Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Driver for Solarflare network controllers and boards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  * Copyright 2012-2013 Solarflare Communications Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7) #include "net_driver.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8) #include "rx_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9) #include "tx_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10) #include "ef10_regs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11) #include "io.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) #include "mcdi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) #include "mcdi_pcol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) #include "mcdi_port.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include "mcdi_port_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #include "mcdi_functions.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) #include "nic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) #include "mcdi_filters.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include "workarounds.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) #include "selftest.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) #include "ef10_sriov.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include <linux/in.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include <linux/jhash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) #include <linux/wait.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) #include <net/udp_tunnel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) /* Hardware control for EF10 architecture including 'Huntington'. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) #define EFX_EF10_DRVGEN_EV		7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) 	EFX_EF10_TEST = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) 	EFX_EF10_REFILL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) /* VLAN list entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) struct efx_ef10_vlan {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) 	u16 vid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) static int efx_ef10_set_udp_tnl_ports(struct efx_nic *efx, bool unloading);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) static const struct udp_tunnel_nic_info efx_ef10_udp_tunnels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) static int efx_ef10_get_warm_boot_count(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) 	efx_dword_t reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) 	efx_readd(efx, &reg, ER_DZ_BIU_MC_SFT_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 	return EFX_DWORD_FIELD(reg, EFX_WORD_1) == 0xb007 ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) 		EFX_DWORD_FIELD(reg, EFX_WORD_0) : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) /* On all EF10s up to and including SFC9220 (Medford1), all PFs use BAR 0 for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55)  * I/O space and BAR 2(&3) for memory.  On SFC9250 (Medford2), there is no I/O
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56)  * bar; PFs use BAR 0/1 for memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) static unsigned int efx_ef10_pf_mem_bar(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) 	switch (efx->pci_dev->device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) 	case 0x0b03: /* SFC9250 PF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) 		return 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) /* All VFs use BAR 0/1 for memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) static unsigned int efx_ef10_vf_mem_bar(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 	int bar;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	bar = efx->type->mem_bar(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 	return resource_size(&efx->pci_dev->resource[bar]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) static bool efx_ef10_is_vf(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 	return efx->type->is_vf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) static int efx_ef10_get_vf_index(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 	rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 			  sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	if (outlen < sizeof(outbuf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 	nic_data->vf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_VF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V4_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 	BUILD_BUG_ON(MC_CMD_GET_CAPABILITIES_IN_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 	rc = efx_mcdi_rpc(efx, MC_CMD_GET_CAPABILITIES, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 			  outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 	if (outlen < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 		netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 			  "unable to read datapath firmware capabilities\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 	nic_data->datapath_caps =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 		MCDI_DWORD(outbuf, GET_CAPABILITIES_OUT_FLAGS1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	if (outlen >= MC_CMD_GET_CAPABILITIES_V2_OUT_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 		nic_data->datapath_caps2 = MCDI_DWORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 				GET_CAPABILITIES_V2_OUT_FLAGS2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 		nic_data->piobuf_size = MCDI_WORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 				GET_CAPABILITIES_V2_OUT_SIZE_PIO_BUFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 		nic_data->datapath_caps2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 		nic_data->piobuf_size = ER_DZ_TX_PIOBUF_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 	/* record the DPCPU firmware IDs to determine VEB vswitching support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	nic_data->rx_dpcpu_fw_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 		MCDI_WORD(outbuf, GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	nic_data->tx_dpcpu_fw_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 		MCDI_WORD(outbuf, GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 	if (!(nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	      (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_PREFIX_LEN_14_LBN))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 		netif_err(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 			  "current firmware does not support an RX prefix\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	if (outlen >= MC_CMD_GET_CAPABILITIES_V3_OUT_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 		u8 vi_window_mode = MCDI_BYTE(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 				GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 		rc = efx_mcdi_window_mode_to_stride(efx, vi_window_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 		/* keep default VI stride */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 		netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 			  "firmware did not report VI window mode, assuming vi_stride = %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 			  efx->vi_stride);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	if (outlen >= MC_CMD_GET_CAPABILITIES_V4_OUT_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 		efx->num_mac_stats = MCDI_WORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 				GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 		netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 			  "firmware reports num_mac_stats = %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 			  efx->num_mac_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 		/* leave num_mac_stats as the default value, MC_CMD_MAC_NSTATS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 		netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 			  "firmware did not report num_mac_stats, assuming %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 			  efx->num_mac_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) static void efx_ef10_read_licensed_features(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_LICENSING_V3_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_LICENSING_V3_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	MCDI_SET_DWORD(inbuf, LICENSING_V3_IN_OP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 		       MC_CMD_LICENSING_V3_IN_OP_REPORT_LICENSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	rc = efx_mcdi_rpc_quiet(efx, MC_CMD_LICENSING_V3, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 				outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	if (rc || (outlen < MC_CMD_LICENSING_V3_OUT_LEN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 	nic_data->licensed_features = MCDI_QWORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 					 LICENSING_V3_OUT_LICENSED_FEATURES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) static int efx_ef10_get_sysclk_freq(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CLOCK_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	rc = efx_mcdi_rpc(efx, MC_CMD_GET_CLOCK, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 			  outbuf, sizeof(outbuf), NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	rc = MCDI_DWORD(outbuf, GET_CLOCK_OUT_SYS_FREQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 	return rc > 0 ? rc : -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) static int efx_ef10_get_timer_workarounds(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	unsigned int implemented;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 	unsigned int enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 	nic_data->workaround_35388 = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 	nic_data->workaround_61265 = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 	rc = efx_mcdi_get_workarounds(efx, &implemented, &enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	if (rc == -ENOSYS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 		/* Firmware without GET_WORKAROUNDS - not a problem. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 		rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	} else if (rc == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 		/* Bug61265 workaround is always enabled if implemented. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 		if (enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG61265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 			nic_data->workaround_61265 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 		if (enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG35388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 			nic_data->workaround_35388 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 		} else if (implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG35388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 			/* Workaround is implemented but not enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 			 * Try to enable it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 			rc = efx_mcdi_set_workaround(efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 						     MC_CMD_WORKAROUND_BUG35388,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 						     true, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 			if (rc == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 				nic_data->workaround_35388 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 			/* If we failed to set the workaround just carry on. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 			rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 		  "workaround for bug 35388 is %sabled\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 		  nic_data->workaround_35388 ? "en" : "dis");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 	netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 		  "workaround for bug 61265 is %sabled\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 		  nic_data->workaround_61265 ? "en" : "dis");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) static void efx_ef10_process_timer_config(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 					  const efx_dword_t *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	unsigned int max_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 	if (EFX_EF10_WORKAROUND_61265(efx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 		efx->timer_quantum_ns = MCDI_DWORD(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 			GET_EVQ_TMR_PROPERTIES_OUT_MCDI_TMR_STEP_NS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 		efx->timer_max_ns = MCDI_DWORD(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 			GET_EVQ_TMR_PROPERTIES_OUT_MCDI_TMR_MAX_NS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 	} else if (EFX_EF10_WORKAROUND_35388(efx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 		efx->timer_quantum_ns = MCDI_DWORD(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 			GET_EVQ_TMR_PROPERTIES_OUT_BUG35388_TMR_NS_PER_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 		max_count = MCDI_DWORD(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 			GET_EVQ_TMR_PROPERTIES_OUT_BUG35388_TMR_MAX_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 		efx->timer_max_ns = max_count * efx->timer_quantum_ns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 		efx->timer_quantum_ns = MCDI_DWORD(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 			GET_EVQ_TMR_PROPERTIES_OUT_TMR_REG_NS_PER_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 		max_count = MCDI_DWORD(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 			GET_EVQ_TMR_PROPERTIES_OUT_TMR_REG_MAX_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 		efx->timer_max_ns = max_count * efx->timer_quantum_ns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 	netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 		  "got timer properties from MC: quantum %u ns; max %u ns\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		  efx->timer_quantum_ns, efx->timer_max_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) static int efx_ef10_get_timer_config(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_EVQ_TMR_PROPERTIES_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 	rc = efx_ef10_get_timer_workarounds(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 	rc = efx_mcdi_rpc_quiet(efx, MC_CMD_GET_EVQ_TMR_PROPERTIES, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 				outbuf, sizeof(outbuf), NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 	if (rc == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 		efx_ef10_process_timer_config(efx, outbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 	} else if (rc == -ENOSYS || rc == -EPERM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 		/* Not available - fall back to Huntington defaults. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 		unsigned int quantum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 		rc = efx_ef10_get_sysclk_freq(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 		if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 		quantum = 1536000 / rc; /* 1536 cycles */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 		efx->timer_quantum_ns = quantum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 		efx->timer_max_ns = efx->type->timer_period_max * quantum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 		rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 		efx_mcdi_display_error(efx, MC_CMD_GET_EVQ_TMR_PROPERTIES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 				       MC_CMD_GET_EVQ_TMR_PROPERTIES_OUT_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 				       NULL, 0, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) static int efx_ef10_get_mac_address_pf(struct efx_nic *efx, u8 *mac_address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 	BUILD_BUG_ON(MC_CMD_GET_MAC_ADDRESSES_IN_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 	rc = efx_mcdi_rpc(efx, MC_CMD_GET_MAC_ADDRESSES, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 			  outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 	if (outlen < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 	ether_addr_copy(mac_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 			MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) static int efx_ef10_get_mac_address_vf(struct efx_nic *efx, u8 *mac_address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 	int num_addrs, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	MCDI_SET_DWORD(inbuf, VPORT_GET_MAC_ADDRESSES_IN_VPORT_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 		       EVB_PORT_ID_ASSIGNED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	rc = efx_mcdi_rpc(efx, MC_CMD_VPORT_GET_MAC_ADDRESSES, inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 			  sizeof(inbuf), outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	if (outlen < MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 	num_addrs = MCDI_DWORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 			       VPORT_GET_MAC_ADDRESSES_OUT_MACADDR_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	WARN_ON(num_addrs != 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 	ether_addr_copy(mac_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 			MCDI_PTR(outbuf, VPORT_GET_MAC_ADDRESSES_OUT_MACADDR));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) static ssize_t efx_ef10_show_link_control_flag(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 					       struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 					       char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 	struct efx_nic *efx = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 	return sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 		       ((efx->mcdi->fn_flags) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 			(1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 		       ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) static ssize_t efx_ef10_show_primary_flag(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 					  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 					  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 	struct efx_nic *efx = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	return sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 		       ((efx->mcdi->fn_flags) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 			(1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 		       ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) static struct efx_ef10_vlan *efx_ef10_find_vlan(struct efx_nic *efx, u16 vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 	struct efx_ef10_vlan *vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 	WARN_ON(!mutex_is_locked(&nic_data->vlan_lock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 	list_for_each_entry(vlan, &nic_data->vlan_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 		if (vlan->vid == vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 			return vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) static int efx_ef10_add_vlan(struct efx_nic *efx, u16 vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	struct efx_ef10_vlan *vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 	mutex_lock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 	vlan = efx_ef10_find_vlan(efx, vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 	if (vlan) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 		/* We add VID 0 on init. 8021q adds it on module init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 		 * for all interfaces with VLAN filtring feature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 		if (vid == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 			goto done_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 		netif_warn(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 			   "VLAN %u already added\n", vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 		rc = -EALREADY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 		goto fail_exist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 	rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 	vlan = kzalloc(sizeof(*vlan), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 	if (!vlan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 		goto fail_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 	vlan->vid = vid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 	list_add_tail(&vlan->list, &nic_data->vlan_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	if (efx->filter_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 		mutex_lock(&efx->mac_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 		down_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 		rc = efx_mcdi_filter_add_vlan(efx, vlan->vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 		up_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 		mutex_unlock(&efx->mac_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 			goto fail_filter_add_vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) done_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 	mutex_unlock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) fail_filter_add_vlan:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 	list_del(&vlan->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 	kfree(vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) fail_alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) fail_exist:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 	mutex_unlock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) static void efx_ef10_del_vlan_internal(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 				       struct efx_ef10_vlan *vlan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 	WARN_ON(!mutex_is_locked(&nic_data->vlan_lock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 	if (efx->filter_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 		down_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 		efx_mcdi_filter_del_vlan(efx, vlan->vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 		up_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 	list_del(&vlan->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 	kfree(vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) static int efx_ef10_del_vlan(struct efx_nic *efx, u16 vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	struct efx_ef10_vlan *vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 	/* 8021q removes VID 0 on module unload for all interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 	 * with VLAN filtering feature. We need to keep it to receive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 	 * untagged traffic.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 	if (vid == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 	mutex_lock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 	vlan = efx_ef10_find_vlan(efx, vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 	if (!vlan) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 		netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 			  "VLAN %u to be deleted not found\n", vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 		rc = -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 		efx_ef10_del_vlan_internal(efx, vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	mutex_unlock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) static void efx_ef10_cleanup_vlans(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 	struct efx_ef10_vlan *vlan, *next_vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 	mutex_lock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 	list_for_each_entry_safe(vlan, next_vlan, &nic_data->vlan_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 		efx_ef10_del_vlan_internal(efx, vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 	mutex_unlock(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) static DEVICE_ATTR(link_control_flag, 0444, efx_ef10_show_link_control_flag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 		   NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) static DEVICE_ATTR(primary_flag, 0444, efx_ef10_show_primary_flag, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) static int efx_ef10_probe(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	struct efx_ef10_nic_data *nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 	int i, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 	nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 	if (!nic_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 	efx->nic_data = nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 	/* we assume later that we can copy from this buffer in dwords */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 	BUILD_BUG_ON(MCDI_CTL_SDU_LEN_MAX_V2 % 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 	rc = efx_nic_alloc_buffer(efx, &nic_data->mcdi_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 				  8 + MCDI_CTL_SDU_LEN_MAX_V2, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 		goto fail1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 	/* Get the MC's warm boot count.  In case it's rebooting right
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 	 * now, be prepared to retry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 	i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 		rc = efx_ef10_get_warm_boot_count(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 		if (rc >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 		if (++i == 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 			goto fail2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 		ssleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 	nic_data->warm_boot_count = rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 	/* In case we're recovering from a crash (kexec), we want to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 	 * cancel any outstanding request by the previous user of this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 	 * function.  We send a special message using the least
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	 * significant bits of the 'high' (doorbell) register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 	_efx_writed(efx, cpu_to_le32(1), ER_DZ_MC_DB_HWRD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 	rc = efx_mcdi_init(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 		goto fail2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 	mutex_init(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 	for (i = 0; i < ARRAY_SIZE(nic_data->udp_tunnels); ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 		nic_data->udp_tunnels[i].type =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 			TUNNEL_ENCAP_UDP_PORT_ENTRY_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 	/* Reset (most) configuration for this function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	rc = efx_mcdi_reset(efx, RESET_TYPE_ALL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 		goto fail3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	/* Enable event logging */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 	rc = efx_mcdi_log_ctrl(efx, true, false, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 		goto fail3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 	rc = device_create_file(&efx->pci_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 				&dev_attr_link_control_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 		goto fail3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_primary_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 		goto fail4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	rc = efx_get_pf_index(efx, &nic_data->pf_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 	rc = efx_ef10_init_datapath_caps(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 	efx_ef10_read_licensed_features(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 	/* We can have one VI for each vi_stride-byte region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 	 * However, until we use TX option descriptors we need up to four
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 	 * TX queues per channel for different checksumming combinations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 		efx->tx_queues_per_channel = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 		efx->tx_queues_per_channel = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 	efx->max_vis = efx_ef10_mem_map_size(efx) / efx->vi_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 	if (!efx->max_vis) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 		netif_err(efx, drv, efx->net_dev, "error determining max VIs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 		rc = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 	efx->max_channels = min_t(unsigned int, EFX_MAX_CHANNELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 				  efx->max_vis / efx->tx_queues_per_channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 	efx->max_tx_channels = efx->max_channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 	if (WARN_ON(efx->max_channels == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 		rc = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 	efx->rx_packet_len_offset =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 		ES_DZ_RX_PREFIX_PKTLEN_OFST - ES_DZ_RX_PREFIX_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_INCLUDE_FCS_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 		efx->net_dev->hw_features |= NETIF_F_RXFCS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 	rc = efx_mcdi_port_get_number(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 	efx->port_num = rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 	rc = efx->type->get_mac_address(efx, efx->net_dev->perm_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 	rc = efx_ef10_get_timer_config(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 	rc = efx_mcdi_mon_probe(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 	if (rc && rc != -EPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 		goto fail5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 	efx_ptp_defer_probe_with_channel(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	if ((efx->pci_dev->physfn) && (!efx->pci_dev->is_physfn)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 		struct pci_dev *pci_dev_pf = efx->pci_dev->physfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 		struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 		efx_pf->type->get_mac_address(efx_pf, nic_data->port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 		ether_addr_copy(nic_data->port_id, efx->net_dev->perm_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 	INIT_LIST_HEAD(&nic_data->vlan_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	mutex_init(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	/* Add unspecified VID to support VLAN filtering being disabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	rc = efx_ef10_add_vlan(efx, EFX_FILTER_VID_UNSPEC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 		goto fail_add_vid_unspec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 	/* If VLAN filtering is enabled, we need VID 0 to get untagged
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 	 * traffic.  It is added automatically if 8021q module is loaded,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 	 * but we can't rely on it since module may be not loaded.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	rc = efx_ef10_add_vlan(efx, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 		goto fail_add_vid_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 	    efx->mcdi->fn_flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 	    (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 		efx->net_dev->udp_tunnel_nic_info = &efx_ef10_udp_tunnels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) fail_add_vid_0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 	efx_ef10_cleanup_vlans(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) fail_add_vid_unspec:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	mutex_destroy(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 	efx_ptp_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 	efx_mcdi_mon_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) fail5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	device_remove_file(&efx->pci_dev->dev, &dev_attr_primary_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) fail4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 	device_remove_file(&efx->pci_dev->dev, &dev_attr_link_control_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) fail3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 	efx_mcdi_detach(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 	mutex_lock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 	memset(nic_data->udp_tunnels, 0, sizeof(nic_data->udp_tunnels));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 	(void)efx_ef10_set_udp_tnl_ports(efx, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 	mutex_unlock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 	mutex_destroy(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 	efx_mcdi_fini(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) fail2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 	efx_nic_free_buffer(efx, &nic_data->mcdi_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) fail1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 	kfree(nic_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 	efx->nic_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) #ifdef EFX_USE_PIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) static void efx_ef10_free_piobufs(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_FREE_PIOBUF_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 	BUILD_BUG_ON(MC_CMD_FREE_PIOBUF_OUT_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 	for (i = 0; i < nic_data->n_piobufs; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 		MCDI_SET_DWORD(inbuf, FREE_PIOBUF_IN_PIOBUF_HANDLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 			       nic_data->piobuf_handle[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 		rc = efx_mcdi_rpc(efx, MC_CMD_FREE_PIOBUF, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 				  NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 		WARN_ON(rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 	nic_data->n_piobufs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_ALLOC_PIOBUF_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	BUILD_BUG_ON(MC_CMD_ALLOC_PIOBUF_IN_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 	for (i = 0; i < n; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 		rc = efx_mcdi_rpc_quiet(efx, MC_CMD_ALLOC_PIOBUF, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 					outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 		if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 			/* Don't display the MC error if we didn't have space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 			 * for a VF.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 			if (!(efx_ef10_is_vf(efx) && rc == -ENOSPC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 				efx_mcdi_display_error(efx, MC_CMD_ALLOC_PIOBUF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 						       0, outbuf, outlen, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 		if (outlen < MC_CMD_ALLOC_PIOBUF_OUT_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 			rc = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 		nic_data->piobuf_handle[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 			MCDI_DWORD(outbuf, ALLOC_PIOBUF_OUT_PIOBUF_HANDLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 		netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 			  "allocated PIO buffer %u handle %x\n", i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 			  nic_data->piobuf_handle[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 	nic_data->n_piobufs = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 		efx_ef10_free_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) static int efx_ef10_link_piobufs(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_LINK_PIOBUF_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 	struct efx_channel *channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	struct efx_tx_queue *tx_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 	unsigned int offset, index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 	BUILD_BUG_ON(MC_CMD_LINK_PIOBUF_OUT_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 	BUILD_BUG_ON(MC_CMD_UNLINK_PIOBUF_OUT_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	/* Link a buffer to each VI in the write-combining mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 	for (index = 0; index < nic_data->n_piobufs; ++index) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 		MCDI_SET_DWORD(inbuf, LINK_PIOBUF_IN_PIOBUF_HANDLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 			       nic_data->piobuf_handle[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 		MCDI_SET_DWORD(inbuf, LINK_PIOBUF_IN_TXQ_INSTANCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 			       nic_data->pio_write_vi_base + index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 		rc = efx_mcdi_rpc(efx, MC_CMD_LINK_PIOBUF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 				  inbuf, MC_CMD_LINK_PIOBUF_IN_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 				  NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 			netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 				  "failed to link VI %u to PIO buffer %u (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 				  nic_data->pio_write_vi_base + index, index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 				  rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 		netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 			  "linked VI %u to PIO buffer %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 			  nic_data->pio_write_vi_base + index, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 	/* Link a buffer to each TX queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 	efx_for_each_channel(channel, efx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 		/* Extra channels, even those with TXQs (PTP), do not require
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 		 * PIO resources.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 		if (!channel->type->want_pio ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 		    channel->channel >= efx->xdp_channel_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 		efx_for_each_channel_tx_queue(tx_queue, channel) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 			/* We assign the PIO buffers to queues in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 			 * reverse order to allow for the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 			 * special case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 			offset = ((efx->tx_channel_offset + efx->n_tx_channels -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 				   tx_queue->channel->channel - 1) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 				  efx_piobuf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 			index = offset / nic_data->piobuf_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 			offset = offset % nic_data->piobuf_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 			/* When the host page size is 4K, the first
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 			 * host page in the WC mapping may be within
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 			 * the same VI page as the last TX queue.  We
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 			 * can only link one buffer to each VI.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 			if (tx_queue->queue == nic_data->pio_write_vi_base) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 				BUG_ON(index != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 				rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 				MCDI_SET_DWORD(inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 					       LINK_PIOBUF_IN_PIOBUF_HANDLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 					       nic_data->piobuf_handle[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 				MCDI_SET_DWORD(inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 					       LINK_PIOBUF_IN_TXQ_INSTANCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 					       tx_queue->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 				rc = efx_mcdi_rpc(efx, MC_CMD_LINK_PIOBUF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 						  inbuf, MC_CMD_LINK_PIOBUF_IN_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 						  NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 			if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 				/* This is non-fatal; the TX path just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 				 * won't use PIO for this queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 				netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 					  "failed to link VI %u to PIO buffer %u (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 					  tx_queue->queue, index, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 				tx_queue->piobuf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 				tx_queue->piobuf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 					nic_data->pio_write_base +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 					index * efx->vi_stride + offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 				tx_queue->piobuf_offset = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 				netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 					  "linked VI %u to PIO buffer %u offset %x addr %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 					  tx_queue->queue, index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 					  tx_queue->piobuf_offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 					  tx_queue->piobuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 	/* inbuf was defined for MC_CMD_LINK_PIOBUF.  We can use the same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 	 * buffer for MC_CMD_UNLINK_PIOBUF because it's shorter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 	BUILD_BUG_ON(MC_CMD_LINK_PIOBUF_IN_LEN < MC_CMD_UNLINK_PIOBUF_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 	while (index--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 		MCDI_SET_DWORD(inbuf, UNLINK_PIOBUF_IN_TXQ_INSTANCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 			       nic_data->pio_write_vi_base + index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		efx_mcdi_rpc(efx, MC_CMD_UNLINK_PIOBUF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 			     inbuf, MC_CMD_UNLINK_PIOBUF_IN_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 			     NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) static void efx_ef10_forget_old_piobufs(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 	struct efx_channel *channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 	struct efx_tx_queue *tx_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 	/* All our existing PIO buffers went away */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 	efx_for_each_channel(channel, efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 		efx_for_each_channel_tx_queue(tx_queue, channel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 			tx_queue->piobuf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) #else /* !EFX_USE_PIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 	return n == 0 ? 0 : -ENOBUFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) static int efx_ef10_link_piobufs(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) static void efx_ef10_free_piobufs(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) static void efx_ef10_forget_old_piobufs(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) #endif /* EFX_USE_PIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) static void efx_ef10_remove(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 	struct efx_ef10_nic_data *nic_data_pf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 	struct pci_dev *pci_dev_pf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 	struct efx_nic *efx_pf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 	struct ef10_vf *vf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 	if (efx->pci_dev->is_virtfn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 		pci_dev_pf = efx->pci_dev->physfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 		if (pci_dev_pf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 			efx_pf = pci_get_drvdata(pci_dev_pf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 			nic_data_pf = efx_pf->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 			vf = nic_data_pf->vf + nic_data->vf_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 			vf->efx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 			netif_info(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 				   "Could not get the PF id from VF\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	efx_ef10_cleanup_vlans(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	mutex_destroy(&nic_data->vlan_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 	efx_ptp_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 	efx_mcdi_mon_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 	efx_mcdi_rx_free_indir_table(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 	if (nic_data->wc_membase)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 		iounmap(nic_data->wc_membase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	rc = efx_mcdi_free_vis(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 	WARN_ON(rc != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 	if (!nic_data->must_restore_piobufs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		efx_ef10_free_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	device_remove_file(&efx->pci_dev->dev, &dev_attr_primary_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	device_remove_file(&efx->pci_dev->dev, &dev_attr_link_control_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	efx_mcdi_detach(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	memset(nic_data->udp_tunnels, 0, sizeof(nic_data->udp_tunnels));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 	mutex_lock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 	(void)efx_ef10_set_udp_tnl_ports(efx, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 	mutex_unlock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 	mutex_destroy(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	efx_mcdi_fini(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	efx_nic_free_buffer(efx, &nic_data->mcdi_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	kfree(nic_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) static int efx_ef10_probe_pf(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	return efx_ef10_probe(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) int efx_ef10_vadaptor_query(struct efx_nic *efx, unsigned int port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 			    u32 *port_flags, u32 *vadaptor_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 			    unsigned int *vlan_tags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_QUERY_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_VADAPTOR_QUERY_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_VADAPTOR_QUERY_LBN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 		MCDI_SET_DWORD(inbuf, VADAPTOR_QUERY_IN_UPSTREAM_PORT_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 			       port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 		rc = efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_QUERY, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 				  outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 		if (outlen < sizeof(outbuf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 			rc = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 	if (port_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 		*port_flags = MCDI_DWORD(outbuf, VADAPTOR_QUERY_OUT_PORT_FLAGS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 	if (vadaptor_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 		*vadaptor_flags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 			MCDI_DWORD(outbuf, VADAPTOR_QUERY_OUT_VADAPTOR_FLAGS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 	if (vlan_tags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 		*vlan_tags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 			MCDI_DWORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 				   VADAPTOR_QUERY_OUT_NUM_AVAILABLE_VLAN_TAGS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 	MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 	return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 			    NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 	MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 	return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 			    NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) int efx_ef10_vport_add_mac(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 			   unsigned int port_id, u8 *mac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 	MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 	ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 	return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 			    sizeof(inbuf), NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) int efx_ef10_vport_del_mac(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 			   unsigned int port_id, u8 *mac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 	MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 	return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 			    sizeof(inbuf), NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) static int efx_ef10_probe_vf(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 	struct pci_dev *pci_dev_pf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 	/* If the parent PF has no VF data structure, it doesn't know about this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 	 * VF so fail probe.  The VF needs to be re-created.  This can happen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 	 * if the PF driver is unloaded while the VF is assigned to a guest.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 	pci_dev_pf = efx->pci_dev->physfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 	if (pci_dev_pf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 		struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 		struct efx_ef10_nic_data *nic_data_pf = efx_pf->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 		if (!nic_data_pf->vf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 			netif_info(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 				   "The VF cannot link to its parent PF; "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 				   "please destroy and re-create the VF\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 			return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 	rc = efx_ef10_probe(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 	rc = efx_ef10_get_vf_index(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 	if (efx->pci_dev->is_virtfn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 		if (efx->pci_dev->physfn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 			struct efx_nic *efx_pf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 				pci_get_drvdata(efx->pci_dev->physfn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 			struct efx_ef10_nic_data *nic_data_p = efx_pf->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 			struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 			nic_data_p->vf[nic_data->vf_index].efx = efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 			nic_data_p->vf[nic_data->vf_index].pci_dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 				efx->pci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 			netif_info(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 				   "Could not get the PF id from VF\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 	efx_ef10_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) static int efx_ef10_probe_vf(struct efx_nic *efx __attribute__ ((unused)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) static int efx_ef10_alloc_vis(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 			      unsigned int min_vis, unsigned int max_vis)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 	return efx_mcdi_alloc_vis(efx, min_vis, max_vis, &nic_data->vi_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 				  &nic_data->n_allocated_vis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) /* Note that the failure path of this function does not free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134)  * resources, as this will be done by efx_ef10_remove().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) static int efx_ef10_dimension_resources(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 	unsigned int min_vis = max_t(unsigned int, efx->tx_queues_per_channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 				     efx_separate_tx_channels ? 2 : 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 	unsigned int channel_vis, pio_write_vi_base, max_vis;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 	unsigned int uc_mem_map_size, wc_mem_map_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 	void __iomem *membase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	channel_vis = max(efx->n_channels,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 			  ((efx->n_tx_channels + efx->n_extra_tx_channels) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 			   efx->tx_queues_per_channel) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 			   efx->n_xdp_channels * efx->xdp_tx_per_channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 	if (efx->max_vis && efx->max_vis < channel_vis) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 		netif_dbg(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 			  "Reducing channel VIs from %u to %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 			  channel_vis, efx->max_vis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 		channel_vis = efx->max_vis;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) #ifdef EFX_USE_PIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	/* Try to allocate PIO buffers if wanted and if the full
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 	 * number of PIO buffers would be sufficient to allocate one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	 * copy-buffer per TX channel.  Failure is non-fatal, as there
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 	 * are only a small number of PIO buffers shared between all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	 * functions of the controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	if (efx_piobuf_size != 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 	    nic_data->piobuf_size / efx_piobuf_size * EF10_TX_PIOBUF_COUNT >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 	    efx->n_tx_channels) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 		unsigned int n_piobufs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 			DIV_ROUND_UP(efx->n_tx_channels,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 				     nic_data->piobuf_size / efx_piobuf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 		rc = efx_ef10_alloc_piobufs(efx, n_piobufs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 		if (rc == -ENOSPC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 			netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 				  "out of PIO buffers; cannot allocate more\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 		else if (rc == -EPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 			netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 				  "not permitted to allocate PIO buffers\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 		else if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 			netif_err(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 				  "failed to allocate PIO buffers (%d)\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 			netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 				  "allocated %u PIO buffers\n", n_piobufs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 	nic_data->n_piobufs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 	/* PIO buffers should be mapped with write-combining enabled,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 	 * and we want to make single UC and WC mappings rather than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	 * several of each (in fact that's the only option if host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 	 * page size is >4K).  So we may allocate some extra VIs just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 	 * for writing PIO buffers through.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 	 * The UC mapping contains (channel_vis - 1) complete VIs and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 	 * first 4K of the next VI.  Then the WC mapping begins with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 	 * the remainder of this last VI.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 	uc_mem_map_size = PAGE_ALIGN((channel_vis - 1) * efx->vi_stride +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 				     ER_DZ_TX_PIOBUF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 	if (nic_data->n_piobufs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 		/* pio_write_vi_base rounds down to give the number of complete
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 		 * VIs inside the UC mapping.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 		pio_write_vi_base = uc_mem_map_size / efx->vi_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 		wc_mem_map_size = (PAGE_ALIGN((pio_write_vi_base +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 					       nic_data->n_piobufs) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 					      efx->vi_stride) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 				   uc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 		max_vis = pio_write_vi_base + nic_data->n_piobufs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 		pio_write_vi_base = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 		wc_mem_map_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 		max_vis = channel_vis;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 	/* In case the last attached driver failed to free VIs, do it now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 	rc = efx_mcdi_free_vis(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 	rc = efx_ef10_alloc_vis(efx, min_vis, max_vis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 	if (nic_data->n_allocated_vis < channel_vis) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 		netif_info(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 			   "Could not allocate enough VIs to satisfy RSS"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 			   " requirements. Performance may not be optimal.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 		/* We didn't get the VIs to populate our channels.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 		 * We could keep what we got but then we'd have more
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 		 * interrupts than we need.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 		 * Instead calculate new max_channels and restart
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 		efx->max_channels = nic_data->n_allocated_vis;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 		efx->max_tx_channels =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 			nic_data->n_allocated_vis / efx->tx_queues_per_channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 		efx_mcdi_free_vis(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	/* If we didn't get enough VIs to map all the PIO buffers, free the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	 * PIO buffers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 	if (nic_data->n_piobufs &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 	    nic_data->n_allocated_vis <
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	    pio_write_vi_base + nic_data->n_piobufs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 		netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 			  "%u VIs are not sufficient to map %u PIO buffers\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 			  nic_data->n_allocated_vis, nic_data->n_piobufs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 		efx_ef10_free_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 	/* Shrink the original UC mapping of the memory BAR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 	membase = ioremap(efx->membase_phys, uc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 	if (!membase) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 		netif_err(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 			  "could not shrink memory BAR to %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 			  uc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 	iounmap(efx->membase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 	efx->membase = membase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 	/* Set up the WC mapping if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 	if (wc_mem_map_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 		nic_data->wc_membase = ioremap_wc(efx->membase_phys +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 						  uc_mem_map_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 						  wc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 		if (!nic_data->wc_membase) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 			netif_err(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 				  "could not allocate WC mapping of size %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 				  wc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 		nic_data->pio_write_vi_base = pio_write_vi_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 		nic_data->pio_write_base =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 			nic_data->wc_membase +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 			(pio_write_vi_base * efx->vi_stride + ER_DZ_TX_PIOBUF -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 			 uc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 		rc = efx_ef10_link_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 			efx_ef10_free_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 	netif_dbg(efx, probe, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 		  "memory BAR at %pa (virtual %p+%x UC, %p+%x WC)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 		  &efx->membase_phys, efx->membase, uc_mem_map_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 		  nic_data->wc_membase, wc_mem_map_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) static void efx_ef10_fini_nic(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	kfree(nic_data->mc_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	nic_data->mc_stats = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) static int efx_ef10_init_nic(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	netdev_features_t hw_enc_features = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 	if (nic_data->must_check_datapath_caps) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 		rc = efx_ef10_init_datapath_caps(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 		nic_data->must_check_datapath_caps = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 	if (efx->must_realloc_vis) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 		/* We cannot let the number of VIs change now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 		rc = efx_ef10_alloc_vis(efx, nic_data->n_allocated_vis,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 					nic_data->n_allocated_vis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 		efx->must_realloc_vis = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 	nic_data->mc_stats = kmalloc(efx->num_mac_stats * sizeof(__le64),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 				     GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	if (!nic_data->mc_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 	if (nic_data->must_restore_piobufs && nic_data->n_piobufs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 		rc = efx_ef10_alloc_piobufs(efx, nic_data->n_piobufs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 		if (rc == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 			rc = efx_ef10_link_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 			if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 				efx_ef10_free_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 		/* Log an error on failure, but this is non-fatal.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 		 * Permission errors are less important - we've presumably
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 		 * had the PIO buffer licence removed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		if (rc == -EPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 			netif_dbg(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 				  "not permitted to restore PIO buffers\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 		else if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 			netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 				  "failed to restore PIO buffers (%d)\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 		nic_data->must_restore_piobufs = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 	/* add encapsulated checksum offload features */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	if (efx_has_cap(efx, VXLAN_NVGRE) && !efx_ef10_is_vf(efx))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 		hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 	/* add encapsulated TSO features */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 	if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 		netdev_features_t encap_tso_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 		encap_tso_features = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 			NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 		hw_enc_features |= encap_tso_features | NETIF_F_TSO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 		efx->net_dev->features |= encap_tso_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 	efx->net_dev->hw_enc_features = hw_enc_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 	/* don't fail init if RSS setup doesn't work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 	rc = efx->type->rx_push_rss_config(efx, false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 					   efx->rss_context.rx_indir_table, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) static void efx_ef10_table_reset_mc_allocations(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 	/* All our allocations have been reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 	efx->must_realloc_vis = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 	efx_mcdi_filter_table_reset_mc_allocations(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	nic_data->must_restore_piobufs = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 	efx_ef10_forget_old_piobufs(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 	efx->rss_context.context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 	/* Driver-created vswitches and vports must be re-created */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 	nic_data->must_probe_vswitching = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	efx->vport_id = EVB_PORT_ID_ASSIGNED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 	if (nic_data->vf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 		for (i = 0; i < efx->vf_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 			nic_data->vf[i].vport_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) static enum reset_type efx_ef10_map_reset_reason(enum reset_type reason)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 	if (reason == RESET_TYPE_MC_FAILURE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 		return RESET_TYPE_DATAPATH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 	return efx_mcdi_map_reset_reason(reason);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) static int efx_ef10_map_reset_flags(u32 *flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 	enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 		EF10_RESET_PORT = ((ETH_RESET_MAC | ETH_RESET_PHY) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 				   ETH_RESET_SHARED_SHIFT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 		EF10_RESET_MC = ((ETH_RESET_DMA | ETH_RESET_FILTER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 				  ETH_RESET_OFFLOAD | ETH_RESET_MAC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 				  ETH_RESET_PHY | ETH_RESET_MGMT) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 				 ETH_RESET_SHARED_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 	/* We assume for now that our PCI function is permitted to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 	 * reset everything.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 	if ((*flags & EF10_RESET_MC) == EF10_RESET_MC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 		*flags &= ~EF10_RESET_MC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 		return RESET_TYPE_WORLD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	if ((*flags & EF10_RESET_PORT) == EF10_RESET_PORT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 		*flags &= ~EF10_RESET_PORT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 		return RESET_TYPE_ALL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 	/* no invisible reset implemented */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) static int efx_ef10_reset(struct efx_nic *efx, enum reset_type reset_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 	int rc = efx_mcdi_reset(efx, reset_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 	/* Unprivileged functions return -EPERM, but need to return success
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 	 * here so that the datapath is brought back up.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 	if (reset_type == RESET_TYPE_WORLD && rc == -EPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 		rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 	/* If it was a port reset, trigger reallocation of MC resources.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 	 * Note that on an MC reset nothing needs to be done now because we'll
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 	 * detect the MC reset later and handle it then.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 	 * For an FLR, we never get an MC reset event, but the MC has reset all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 	 * resources assigned to us, so we have to trigger reallocation now.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 	if ((reset_type == RESET_TYPE_ALL ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 	     reset_type == RESET_TYPE_MCDI_TIMEOUT) && !rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 		efx_ef10_table_reset_mc_allocations(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) #define EF10_DMA_STAT(ext_name, mcdi_name)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 	[EF10_STAT_ ## ext_name] =				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	{ #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) #define EF10_DMA_INVIS_STAT(int_name, mcdi_name)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 	[EF10_STAT_ ## int_name] =				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 	{ NULL, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) #define EF10_OTHER_STAT(ext_name)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 	[EF10_STAT_ ## ext_name] = { #ext_name, 0, 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) static const struct efx_hw_stat_desc efx_ef10_stat_desc[EF10_STAT_COUNT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 	EF10_DMA_STAT(port_tx_bytes, TX_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 	EF10_DMA_STAT(port_tx_packets, TX_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 	EF10_DMA_STAT(port_tx_pause, TX_PAUSE_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 	EF10_DMA_STAT(port_tx_control, TX_CONTROL_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 	EF10_DMA_STAT(port_tx_unicast, TX_UNICAST_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 	EF10_DMA_STAT(port_tx_multicast, TX_MULTICAST_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 	EF10_DMA_STAT(port_tx_broadcast, TX_BROADCAST_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	EF10_DMA_STAT(port_tx_lt64, TX_LT64_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 	EF10_DMA_STAT(port_tx_64, TX_64_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 	EF10_DMA_STAT(port_tx_65_to_127, TX_65_TO_127_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 	EF10_DMA_STAT(port_tx_128_to_255, TX_128_TO_255_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 	EF10_DMA_STAT(port_tx_256_to_511, TX_256_TO_511_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 	EF10_DMA_STAT(port_tx_512_to_1023, TX_512_TO_1023_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 	EF10_DMA_STAT(port_tx_1024_to_15xx, TX_1024_TO_15XX_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 	EF10_DMA_STAT(port_tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 	EF10_DMA_STAT(port_rx_bytes, RX_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 	EF10_DMA_INVIS_STAT(port_rx_bytes_minus_good_bytes, RX_BAD_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 	EF10_OTHER_STAT(port_rx_good_bytes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 	EF10_OTHER_STAT(port_rx_bad_bytes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 	EF10_DMA_STAT(port_rx_packets, RX_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	EF10_DMA_STAT(port_rx_good, RX_GOOD_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 	EF10_DMA_STAT(port_rx_bad, RX_BAD_FCS_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 	EF10_DMA_STAT(port_rx_pause, RX_PAUSE_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 	EF10_DMA_STAT(port_rx_control, RX_CONTROL_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 	EF10_DMA_STAT(port_rx_unicast, RX_UNICAST_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 	EF10_DMA_STAT(port_rx_multicast, RX_MULTICAST_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 	EF10_DMA_STAT(port_rx_broadcast, RX_BROADCAST_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 	EF10_DMA_STAT(port_rx_lt64, RX_UNDERSIZE_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 	EF10_DMA_STAT(port_rx_64, RX_64_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 	EF10_DMA_STAT(port_rx_65_to_127, RX_65_TO_127_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 	EF10_DMA_STAT(port_rx_128_to_255, RX_128_TO_255_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 	EF10_DMA_STAT(port_rx_256_to_511, RX_256_TO_511_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 	EF10_DMA_STAT(port_rx_512_to_1023, RX_512_TO_1023_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 	EF10_DMA_STAT(port_rx_1024_to_15xx, RX_1024_TO_15XX_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 	EF10_DMA_STAT(port_rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	EF10_DMA_STAT(port_rx_gtjumbo, RX_GTJUMBO_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 	EF10_DMA_STAT(port_rx_bad_gtjumbo, RX_JABBER_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 	EF10_DMA_STAT(port_rx_overflow, RX_OVERFLOW_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 	EF10_DMA_STAT(port_rx_align_error, RX_ALIGN_ERROR_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 	EF10_DMA_STAT(port_rx_length_error, RX_LENGTH_ERROR_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 	EF10_DMA_STAT(port_rx_nodesc_drops, RX_NODESC_DROPS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 	EFX_GENERIC_SW_STAT(rx_nodesc_trunc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 	EFX_GENERIC_SW_STAT(rx_noskb_drops),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 	EF10_DMA_STAT(port_rx_pm_trunc_bb_overflow, PM_TRUNC_BB_OVERFLOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 	EF10_DMA_STAT(port_rx_pm_discard_bb_overflow, PM_DISCARD_BB_OVERFLOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 	EF10_DMA_STAT(port_rx_pm_trunc_vfifo_full, PM_TRUNC_VFIFO_FULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 	EF10_DMA_STAT(port_rx_pm_discard_vfifo_full, PM_DISCARD_VFIFO_FULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 	EF10_DMA_STAT(port_rx_pm_trunc_qbb, PM_TRUNC_QBB),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 	EF10_DMA_STAT(port_rx_pm_discard_qbb, PM_DISCARD_QBB),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 	EF10_DMA_STAT(port_rx_pm_discard_mapping, PM_DISCARD_MAPPING),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 	EF10_DMA_STAT(port_rx_dp_q_disabled_packets, RXDP_Q_DISABLED_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) 	EF10_DMA_STAT(port_rx_dp_di_dropped_packets, RXDP_DI_DROPPED_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 	EF10_DMA_STAT(port_rx_dp_streaming_packets, RXDP_STREAMING_PKTS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 	EF10_DMA_STAT(port_rx_dp_hlb_fetch, RXDP_HLB_FETCH_CONDITIONS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 	EF10_DMA_STAT(port_rx_dp_hlb_wait, RXDP_HLB_WAIT_CONDITIONS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 	EF10_DMA_STAT(rx_unicast, VADAPTER_RX_UNICAST_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 	EF10_DMA_STAT(rx_unicast_bytes, VADAPTER_RX_UNICAST_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 	EF10_DMA_STAT(rx_multicast, VADAPTER_RX_MULTICAST_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 	EF10_DMA_STAT(rx_multicast_bytes, VADAPTER_RX_MULTICAST_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 	EF10_DMA_STAT(rx_broadcast, VADAPTER_RX_BROADCAST_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 	EF10_DMA_STAT(rx_broadcast_bytes, VADAPTER_RX_BROADCAST_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	EF10_DMA_STAT(rx_bad, VADAPTER_RX_BAD_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 	EF10_DMA_STAT(rx_bad_bytes, VADAPTER_RX_BAD_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 	EF10_DMA_STAT(rx_overflow, VADAPTER_RX_OVERFLOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	EF10_DMA_STAT(tx_unicast, VADAPTER_TX_UNICAST_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 	EF10_DMA_STAT(tx_unicast_bytes, VADAPTER_TX_UNICAST_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 	EF10_DMA_STAT(tx_multicast, VADAPTER_TX_MULTICAST_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 	EF10_DMA_STAT(tx_multicast_bytes, VADAPTER_TX_MULTICAST_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 	EF10_DMA_STAT(tx_broadcast, VADAPTER_TX_BROADCAST_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 	EF10_DMA_STAT(tx_broadcast_bytes, VADAPTER_TX_BROADCAST_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 	EF10_DMA_STAT(tx_bad, VADAPTER_TX_BAD_PACKETS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	EF10_DMA_STAT(tx_bad_bytes, VADAPTER_TX_BAD_BYTES),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 	EF10_DMA_STAT(tx_overflow, VADAPTER_TX_OVERFLOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 	EF10_DMA_STAT(fec_uncorrected_errors, FEC_UNCORRECTED_ERRORS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 	EF10_DMA_STAT(fec_corrected_errors, FEC_CORRECTED_ERRORS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 	EF10_DMA_STAT(fec_corrected_symbols_lane0, FEC_CORRECTED_SYMBOLS_LANE0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 	EF10_DMA_STAT(fec_corrected_symbols_lane1, FEC_CORRECTED_SYMBOLS_LANE1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 	EF10_DMA_STAT(fec_corrected_symbols_lane2, FEC_CORRECTED_SYMBOLS_LANE2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	EF10_DMA_STAT(fec_corrected_symbols_lane3, FEC_CORRECTED_SYMBOLS_LANE3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	EF10_DMA_STAT(ctpio_vi_busy_fallback, CTPIO_VI_BUSY_FALLBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	EF10_DMA_STAT(ctpio_long_write_success, CTPIO_LONG_WRITE_SUCCESS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	EF10_DMA_STAT(ctpio_missing_dbell_fail, CTPIO_MISSING_DBELL_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 	EF10_DMA_STAT(ctpio_overflow_fail, CTPIO_OVERFLOW_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 	EF10_DMA_STAT(ctpio_underflow_fail, CTPIO_UNDERFLOW_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 	EF10_DMA_STAT(ctpio_timeout_fail, CTPIO_TIMEOUT_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	EF10_DMA_STAT(ctpio_noncontig_wr_fail, CTPIO_NONCONTIG_WR_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	EF10_DMA_STAT(ctpio_frm_clobber_fail, CTPIO_FRM_CLOBBER_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 	EF10_DMA_STAT(ctpio_invalid_wr_fail, CTPIO_INVALID_WR_FAIL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 	EF10_DMA_STAT(ctpio_vi_clobber_fallback, CTPIO_VI_CLOBBER_FALLBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	EF10_DMA_STAT(ctpio_unqualified_fallback, CTPIO_UNQUALIFIED_FALLBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	EF10_DMA_STAT(ctpio_runt_fallback, CTPIO_RUNT_FALLBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 	EF10_DMA_STAT(ctpio_success, CTPIO_SUCCESS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 	EF10_DMA_STAT(ctpio_fallback, CTPIO_FALLBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	EF10_DMA_STAT(ctpio_poison, CTPIO_POISON),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 	EF10_DMA_STAT(ctpio_erase, CTPIO_ERASE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) #define HUNT_COMMON_STAT_MASK ((1ULL << EF10_STAT_port_tx_bytes) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 			       (1ULL << EF10_STAT_port_tx_packets) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 			       (1ULL << EF10_STAT_port_tx_pause) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 			       (1ULL << EF10_STAT_port_tx_unicast) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 			       (1ULL << EF10_STAT_port_tx_multicast) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 			       (1ULL << EF10_STAT_port_tx_broadcast) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 			       (1ULL << EF10_STAT_port_rx_bytes) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 			       (1ULL <<                                 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 				EF10_STAT_port_rx_bytes_minus_good_bytes) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 			       (1ULL << EF10_STAT_port_rx_good_bytes) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 			       (1ULL << EF10_STAT_port_rx_bad_bytes) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 			       (1ULL << EF10_STAT_port_rx_packets) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 			       (1ULL << EF10_STAT_port_rx_good) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 			       (1ULL << EF10_STAT_port_rx_bad) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 			       (1ULL << EF10_STAT_port_rx_pause) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 			       (1ULL << EF10_STAT_port_rx_control) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 			       (1ULL << EF10_STAT_port_rx_unicast) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 			       (1ULL << EF10_STAT_port_rx_multicast) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 			       (1ULL << EF10_STAT_port_rx_broadcast) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 			       (1ULL << EF10_STAT_port_rx_lt64) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 			       (1ULL << EF10_STAT_port_rx_64) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 			       (1ULL << EF10_STAT_port_rx_65_to_127) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 			       (1ULL << EF10_STAT_port_rx_128_to_255) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 			       (1ULL << EF10_STAT_port_rx_256_to_511) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 			       (1ULL << EF10_STAT_port_rx_512_to_1023) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 			       (1ULL << EF10_STAT_port_rx_1024_to_15xx) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 			       (1ULL << EF10_STAT_port_rx_15xx_to_jumbo) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 			       (1ULL << EF10_STAT_port_rx_gtjumbo) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 			       (1ULL << EF10_STAT_port_rx_bad_gtjumbo) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 			       (1ULL << EF10_STAT_port_rx_overflow) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 			       (1ULL << EF10_STAT_port_rx_nodesc_drops) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 			       (1ULL << GENERIC_STAT_rx_nodesc_trunc) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 			       (1ULL << GENERIC_STAT_rx_noskb_drops))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) /* On 7000 series NICs, these statistics are only provided by the 10G MAC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600)  * For a 10G/40G switchable port we do not expose these because they might
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601)  * not include all the packets they should.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602)  * On 8000 series NICs these statistics are always provided.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) #define HUNT_10G_ONLY_STAT_MASK ((1ULL << EF10_STAT_port_tx_control) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 				 (1ULL << EF10_STAT_port_tx_lt64) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 				 (1ULL << EF10_STAT_port_tx_64) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 				 (1ULL << EF10_STAT_port_tx_65_to_127) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 				 (1ULL << EF10_STAT_port_tx_128_to_255) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 				 (1ULL << EF10_STAT_port_tx_256_to_511) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 				 (1ULL << EF10_STAT_port_tx_512_to_1023) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 				 (1ULL << EF10_STAT_port_tx_1024_to_15xx) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 				 (1ULL << EF10_STAT_port_tx_15xx_to_jumbo))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) /* These statistics are only provided by the 40G MAC.  For a 10G/40G
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615)  * switchable port we do expose these because the errors will otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616)  * be silent.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) #define HUNT_40G_EXTRA_STAT_MASK ((1ULL << EF10_STAT_port_rx_align_error) |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 				  (1ULL << EF10_STAT_port_rx_length_error))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) /* These statistics are only provided if the firmware supports the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622)  * capability PM_AND_RXDP_COUNTERS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) #define HUNT_PM_AND_RXDP_STAT_MASK (					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 	(1ULL << EF10_STAT_port_rx_pm_trunc_bb_overflow) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	(1ULL << EF10_STAT_port_rx_pm_discard_bb_overflow) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 	(1ULL << EF10_STAT_port_rx_pm_trunc_vfifo_full) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 	(1ULL << EF10_STAT_port_rx_pm_discard_vfifo_full) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 	(1ULL << EF10_STAT_port_rx_pm_trunc_qbb) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 	(1ULL << EF10_STAT_port_rx_pm_discard_qbb) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 	(1ULL << EF10_STAT_port_rx_pm_discard_mapping) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 	(1ULL << EF10_STAT_port_rx_dp_q_disabled_packets) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 	(1ULL << EF10_STAT_port_rx_dp_di_dropped_packets) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 	(1ULL << EF10_STAT_port_rx_dp_streaming_packets) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 	(1ULL << EF10_STAT_port_rx_dp_hlb_fetch) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 	(1ULL << EF10_STAT_port_rx_dp_hlb_wait))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) /* These statistics are only provided if the NIC supports MC_CMD_MAC_STATS_V2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639)  * indicated by returning a value >= MC_CMD_MAC_NSTATS_V2 in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640)  * MC_CMD_GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641)  * These bits are in the second u64 of the raw mask.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) #define EF10_FEC_STAT_MASK (						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 	(1ULL << (EF10_STAT_fec_uncorrected_errors - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 	(1ULL << (EF10_STAT_fec_corrected_errors - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 	(1ULL << (EF10_STAT_fec_corrected_symbols_lane0 - 64)) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 	(1ULL << (EF10_STAT_fec_corrected_symbols_lane1 - 64)) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 	(1ULL << (EF10_STAT_fec_corrected_symbols_lane2 - 64)) |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 	(1ULL << (EF10_STAT_fec_corrected_symbols_lane3 - 64)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) /* These statistics are only provided if the NIC supports MC_CMD_MAC_STATS_V3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652)  * indicated by returning a value >= MC_CMD_MAC_NSTATS_V3 in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653)  * MC_CMD_GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654)  * These bits are in the second u64 of the raw mask.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) #define EF10_CTPIO_STAT_MASK (						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 	(1ULL << (EF10_STAT_ctpio_vi_busy_fallback - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 	(1ULL << (EF10_STAT_ctpio_long_write_success - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 	(1ULL << (EF10_STAT_ctpio_missing_dbell_fail - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 	(1ULL << (EF10_STAT_ctpio_overflow_fail - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 	(1ULL << (EF10_STAT_ctpio_underflow_fail - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 	(1ULL << (EF10_STAT_ctpio_timeout_fail - 64)) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 	(1ULL << (EF10_STAT_ctpio_noncontig_wr_fail - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	(1ULL << (EF10_STAT_ctpio_frm_clobber_fail - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 	(1ULL << (EF10_STAT_ctpio_invalid_wr_fail - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	(1ULL << (EF10_STAT_ctpio_vi_clobber_fallback - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 	(1ULL << (EF10_STAT_ctpio_unqualified_fallback - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 	(1ULL << (EF10_STAT_ctpio_runt_fallback - 64)) |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 	(1ULL << (EF10_STAT_ctpio_success - 64)) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 	(1ULL << (EF10_STAT_ctpio_fallback - 64)) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 	(1ULL << (EF10_STAT_ctpio_poison - 64)) |			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 	(1ULL << (EF10_STAT_ctpio_erase - 64)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) static u64 efx_ef10_raw_stat_mask(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 	u64 raw_mask = HUNT_COMMON_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	u32 port_caps = efx_mcdi_phy_get_caps(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 	if (!(efx->mcdi->fn_flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 	      1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 	if (port_caps & (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 		raw_mask |= HUNT_40G_EXTRA_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 		/* 8000 series have everything even at 40G */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 		if (nic_data->datapath_caps2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 		    (1 << MC_CMD_GET_CAPABILITIES_V2_OUT_MAC_STATS_40G_TX_SIZE_BINS_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 			raw_mask |= HUNT_10G_ONLY_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 		raw_mask |= HUNT_10G_ONLY_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_PM_AND_RXDP_COUNTERS_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 		raw_mask |= HUNT_PM_AND_RXDP_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 	return raw_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) static void efx_ef10_get_stat_mask(struct efx_nic *efx, unsigned long *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 	u64 raw_mask[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 	raw_mask[0] = efx_ef10_raw_stat_mask(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 	/* Only show vadaptor stats when EVB capability is present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_EVB_LBN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 		raw_mask[0] |= ~((1ULL << EF10_STAT_rx_unicast) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 		raw_mask[1] = (1ULL << (EF10_STAT_V1_COUNT - 64)) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 		raw_mask[1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 	/* Only show FEC stats when NIC supports MC_CMD_MAC_STATS_V2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 	if (efx->num_mac_stats >= MC_CMD_MAC_NSTATS_V2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 		raw_mask[1] |= EF10_FEC_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	/* CTPIO stats appear in V3. Only show them on devices that actually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 	 * support CTPIO. Although this driver doesn't use CTPIO others might,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 	 * and we may be reporting the stats for the underlying port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 	if (efx->num_mac_stats >= MC_CMD_MAC_NSTATS_V3 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 	    (nic_data->datapath_caps2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	     (1 << MC_CMD_GET_CAPABILITIES_V4_OUT_CTPIO_LBN)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 		raw_mask[1] |= EF10_CTPIO_STAT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) #if BITS_PER_LONG == 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 	BUILD_BUG_ON(BITS_TO_LONGS(EF10_STAT_COUNT) != 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 	mask[0] = raw_mask[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 	mask[1] = raw_mask[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 	BUILD_BUG_ON(BITS_TO_LONGS(EF10_STAT_COUNT) != 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	mask[0] = raw_mask[0] & 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 	mask[1] = raw_mask[0] >> 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 	mask[2] = raw_mask[1] & 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) static size_t efx_ef10_describe_stats(struct efx_nic *efx, u8 *names)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 	DECLARE_BITMAP(mask, EF10_STAT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 	efx_ef10_get_stat_mask(efx, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 	return efx_nic_describe_stats(efx_ef10_stat_desc, EF10_STAT_COUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 				      mask, names);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) static size_t efx_ef10_update_stats_common(struct efx_nic *efx, u64 *full_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 					   struct rtnl_link_stats64 *core_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 	DECLARE_BITMAP(mask, EF10_STAT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 	u64 *stats = nic_data->stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 	size_t stats_count = 0, index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 	efx_ef10_get_stat_mask(efx, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 	if (full_stats) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 		for_each_set_bit(index, mask, EF10_STAT_COUNT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 			if (efx_ef10_stat_desc[index].name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 				*full_stats++ = stats[index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 				++stats_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 	if (!core_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 		return stats_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 			1 << MC_CMD_GET_CAPABILITIES_OUT_EVB_LBN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 		/* Use vadaptor stats. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 		core_stats->rx_packets = stats[EF10_STAT_rx_unicast] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 					 stats[EF10_STAT_rx_multicast] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 					 stats[EF10_STAT_rx_broadcast];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 		core_stats->tx_packets = stats[EF10_STAT_tx_unicast] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 					 stats[EF10_STAT_tx_multicast] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 					 stats[EF10_STAT_tx_broadcast];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 		core_stats->rx_bytes = stats[EF10_STAT_rx_unicast_bytes] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 				       stats[EF10_STAT_rx_multicast_bytes] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 				       stats[EF10_STAT_rx_broadcast_bytes];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 		core_stats->tx_bytes = stats[EF10_STAT_tx_unicast_bytes] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 				       stats[EF10_STAT_tx_multicast_bytes] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 				       stats[EF10_STAT_tx_broadcast_bytes];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 		core_stats->rx_dropped = stats[GENERIC_STAT_rx_nodesc_trunc] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 					 stats[GENERIC_STAT_rx_noskb_drops];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 		core_stats->multicast = stats[EF10_STAT_rx_multicast];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) 		core_stats->rx_crc_errors = stats[EF10_STAT_rx_bad];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 		core_stats->rx_fifo_errors = stats[EF10_STAT_rx_overflow];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 		core_stats->rx_errors = core_stats->rx_crc_errors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 		core_stats->tx_errors = stats[EF10_STAT_tx_bad];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 		/* Use port stats. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 		core_stats->rx_packets = stats[EF10_STAT_port_rx_packets];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 		core_stats->tx_packets = stats[EF10_STAT_port_tx_packets];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 		core_stats->rx_bytes = stats[EF10_STAT_port_rx_bytes];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 		core_stats->tx_bytes = stats[EF10_STAT_port_tx_bytes];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 		core_stats->rx_dropped = stats[EF10_STAT_port_rx_nodesc_drops] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 					 stats[GENERIC_STAT_rx_nodesc_trunc] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 					 stats[GENERIC_STAT_rx_noskb_drops];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 		core_stats->multicast = stats[EF10_STAT_port_rx_multicast];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 		core_stats->rx_length_errors =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 				stats[EF10_STAT_port_rx_gtjumbo] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 				stats[EF10_STAT_port_rx_length_error];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 		core_stats->rx_crc_errors = stats[EF10_STAT_port_rx_bad];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 		core_stats->rx_frame_errors =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 				stats[EF10_STAT_port_rx_align_error];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 		core_stats->rx_fifo_errors = stats[EF10_STAT_port_rx_overflow];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 		core_stats->rx_errors = (core_stats->rx_length_errors +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 					 core_stats->rx_crc_errors +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 					 core_stats->rx_frame_errors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 	return stats_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) static size_t efx_ef10_update_stats_pf(struct efx_nic *efx, u64 *full_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 				       struct rtnl_link_stats64 *core_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 	DECLARE_BITMAP(mask, EF10_STAT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 	u64 *stats = nic_data->stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 	efx_ef10_get_stat_mask(efx, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 	efx_nic_copy_stats(efx, nic_data->mc_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 	efx_nic_update_stats(efx_ef10_stat_desc, EF10_STAT_COUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 			     mask, stats, nic_data->mc_stats, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 	/* Update derived statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 	efx_nic_fix_nodesc_drop_stat(efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 				     &stats[EF10_STAT_port_rx_nodesc_drops]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 	/* MC Firmware reads RX_BYTES and RX_GOOD_BYTES from the MAC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 	 * It then calculates RX_BAD_BYTES and DMAs it to us with RX_BYTES.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 	 * We report these as port_rx_ stats. We are not given RX_GOOD_BYTES.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 	 * Here we calculate port_rx_good_bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 	stats[EF10_STAT_port_rx_good_bytes] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 		stats[EF10_STAT_port_rx_bytes] -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 		stats[EF10_STAT_port_rx_bytes_minus_good_bytes];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 	/* The asynchronous reads used to calculate RX_BAD_BYTES in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 	 * MC Firmware are done such that we should not see an increase in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 	 * RX_BAD_BYTES when a good packet has arrived. Unfortunately this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 	 * does mean that the stat can decrease at times. Here we do not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 	 * update the stat unless it has increased or has gone to zero
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 	 * (In the case of the NIC rebooting).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 	 * Please see Bug 33781 for a discussion of why things work this way.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 	efx_update_diff_stat(&stats[EF10_STAT_port_rx_bad_bytes],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 			     stats[EF10_STAT_port_rx_bytes_minus_good_bytes]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 	efx_update_sw_stats(efx, stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 	return efx_ef10_update_stats_common(efx, full_stats, core_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) static int efx_ef10_try_update_nic_stats_vf(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 	__must_hold(&efx->stats_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 	DECLARE_BITMAP(mask, EF10_STAT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 	__le64 generation_start, generation_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	u64 *stats = nic_data->stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 	u32 dma_len = efx->num_mac_stats * sizeof(u64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 	struct efx_buffer stats_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 	__le64 *dma_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 	spin_unlock_bh(&efx->stats_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 	efx_ef10_get_stat_mask(efx, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 	rc = efx_nic_alloc_buffer(efx, &stats_buf, dma_len, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		spin_lock_bh(&efx->stats_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 	dma_stats = stats_buf.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 	dma_stats[efx->num_mac_stats - 1] = EFX_MC_STATS_GENERATION_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 	MCDI_SET_QWORD(inbuf, MAC_STATS_IN_DMA_ADDR, stats_buf.dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 	MCDI_POPULATE_DWORD_1(inbuf, MAC_STATS_IN_CMD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 			      MAC_STATS_IN_DMA, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, EVB_PORT_ID_ASSIGNED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 	rc = efx_mcdi_rpc_quiet(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 				NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 	spin_lock_bh(&efx->stats_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 		/* Expect ENOENT if DMA queues have not been set up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 		if (rc != -ENOENT || atomic_read(&efx->active_queues))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 			efx_mcdi_display_error(efx, MC_CMD_MAC_STATS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 					       sizeof(inbuf), NULL, 0, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 	generation_end = dma_stats[efx->num_mac_stats - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) 	if (generation_end == EFX_MC_STATS_GENERATION_INVALID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 		WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 	rmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 	efx_nic_update_stats(efx_ef10_stat_desc, EF10_STAT_COUNT, mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 			     stats, stats_buf.addr, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 	rmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 	generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 	if (generation_end != generation_start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 	efx_update_sw_stats(efx, stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 	efx_nic_free_buffer(efx, &stats_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) static size_t efx_ef10_update_stats_vf(struct efx_nic *efx, u64 *full_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 				       struct rtnl_link_stats64 *core_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 	if (efx_ef10_try_update_nic_stats_vf(efx))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) 	return efx_ef10_update_stats_common(efx, full_stats, core_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) static size_t efx_ef10_update_stats_atomic_vf(struct efx_nic *efx, u64 *full_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 					      struct rtnl_link_stats64 *core_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 	/* In atomic context, cannot update HW stats.  Just update the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 	 * software stats and return so the caller can continue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 	efx_update_sw_stats(efx, nic_data->stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 	return efx_ef10_update_stats_common(efx, full_stats, core_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) static void efx_ef10_push_irq_moderation(struct efx_channel *channel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	unsigned int mode, usecs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 	efx_dword_t timer_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 	if (channel->irq_moderation_us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 		mode = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 		usecs = channel->irq_moderation_us;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 		mode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 		usecs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 	if (EFX_EF10_WORKAROUND_61265(efx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 		MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_EVQ_TMR_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 		unsigned int ns = usecs * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 		MCDI_SET_DWORD(inbuf, SET_EVQ_TMR_IN_INSTANCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 			       channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 		MCDI_SET_DWORD(inbuf, SET_EVQ_TMR_IN_TMR_LOAD_REQ_NS, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 		MCDI_SET_DWORD(inbuf, SET_EVQ_TMR_IN_TMR_RELOAD_REQ_NS, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 		MCDI_SET_DWORD(inbuf, SET_EVQ_TMR_IN_TMR_MODE, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) 		efx_mcdi_rpc_async(efx, MC_CMD_SET_EVQ_TMR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 				   inbuf, sizeof(inbuf), 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 	} else if (EFX_EF10_WORKAROUND_35388(efx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 		unsigned int ticks = efx_usecs_to_ticks(efx, usecs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 		EFX_POPULATE_DWORD_3(timer_cmd, ERF_DD_EVQ_IND_TIMER_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 				     EFE_DD_EVQ_IND_TIMER_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 				     ERF_DD_EVQ_IND_TIMER_MODE, mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 				     ERF_DD_EVQ_IND_TIMER_VAL, ticks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 		efx_writed_page(efx, &timer_cmd, ER_DD_EVQ_INDIRECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 				channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 		unsigned int ticks = efx_usecs_to_ticks(efx, usecs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 		EFX_POPULATE_DWORD_3(timer_cmd, ERF_DZ_TC_TIMER_MODE, mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 				     ERF_DZ_TC_TIMER_VAL, ticks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 				     ERF_FZ_TC_TMR_REL_VAL, ticks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 		efx_writed_page(efx, &timer_cmd, ER_DZ_EVQ_TMR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 				channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) static void efx_ef10_get_wol_vf(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 				struct ethtool_wolinfo *wol) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) static int efx_ef10_set_wol_vf(struct efx_nic *efx, u32 type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 	return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) static void efx_ef10_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 	wol->supported = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 	wol->wolopts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 	memset(&wol->sopass, 0, sizeof(wol->sopass));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) static int efx_ef10_set_wol(struct efx_nic *efx, u32 type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 	if (type != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) static void efx_ef10_mcdi_request(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) 				  const efx_dword_t *hdr, size_t hdr_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 				  const efx_dword_t *sdu, size_t sdu_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) 	u8 *pdu = nic_data->mcdi_buf.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) 	memcpy(pdu, hdr, hdr_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 	memcpy(pdu + hdr_len, sdu, sdu_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 	wmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 	/* The hardware provides 'low' and 'high' (doorbell) registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 	 * for passing the 64-bit address of an MCDI request to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) 	 * firmware.  However the dwords are swapped by firmware.  The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 	 * least significant bits of the doorbell are then 0 for all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 	 * MCDI requests due to alignment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 	_efx_writed(efx, cpu_to_le32((u64)nic_data->mcdi_buf.dma_addr >> 32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 		    ER_DZ_MC_DB_LWRD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 	_efx_writed(efx, cpu_to_le32((u32)nic_data->mcdi_buf.dma_addr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 		    ER_DZ_MC_DB_HWRD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) static bool efx_ef10_mcdi_poll_response(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 	const efx_dword_t hdr = *(const efx_dword_t *)nic_data->mcdi_buf.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 	rmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 	return EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) efx_ef10_mcdi_read_response(struct efx_nic *efx, efx_dword_t *outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) 			    size_t offset, size_t outlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 	const u8 *pdu = nic_data->mcdi_buf.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 	memcpy(outbuf, pdu + offset, outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) static void efx_ef10_mcdi_reboot_detected(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 	/* All our allocations have been reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 	efx_ef10_table_reset_mc_allocations(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 	/* The datapath firmware might have been changed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 	nic_data->must_check_datapath_caps = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 	/* MAC statistics have been cleared on the NIC; clear the local
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) 	 * statistic that we update with efx_update_diff_stat().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 	nic_data->stats[EF10_STAT_port_rx_bad_bytes] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) static int efx_ef10_mcdi_poll_reboot(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 	rc = efx_ef10_get_warm_boot_count(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 	if (rc < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 		/* The firmware is presumably in the process of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 		 * rebooting.  However, we are supposed to report each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 		 * reboot just once, so we must only do that once we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 		 * can read and store the updated warm boot count.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 	if (rc == nic_data->warm_boot_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 	nic_data->warm_boot_count = rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 	efx_ef10_mcdi_reboot_detected(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 	return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) /* Handle an MSI interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096)  * Handle an MSI hardware interrupt.  This routine schedules event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097)  * queue processing.  No interrupt acknowledgement cycle is necessary.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098)  * Also, we never need to check that the interrupt is for us, since
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099)  * MSI interrupts cannot be shared.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) static irqreturn_t efx_ef10_msi_interrupt(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 	struct efx_msi_context *context = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 	struct efx_nic *efx = context->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 	netif_vdbg(efx, intr, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 		   "IRQ %d on CPU %d\n", irq, raw_smp_processor_id());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 	if (likely(READ_ONCE(efx->irq_soft_enabled))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 		/* Note test interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 		if (context->index == efx->irq_level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 			efx->last_irq_cpu = raw_smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 		/* Schedule processing of the channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 		efx_schedule_channel_irq(efx->channel[context->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) static irqreturn_t efx_ef10_legacy_interrupt(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	struct efx_nic *efx = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 	bool soft_enabled = READ_ONCE(efx->irq_soft_enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 	struct efx_channel *channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 	efx_dword_t reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 	u32 queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 	/* Read the ISR which also ACKs the interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 	efx_readd(efx, &reg, ER_DZ_BIU_INT_ISR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 	queues = EFX_DWORD_FIELD(reg, ERF_DZ_ISR_REG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 	if (queues == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 		return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 	if (likely(soft_enabled)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 		/* Note test interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 		if (queues & (1U << efx->irq_level))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 			efx->last_irq_cpu = raw_smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 		efx_for_each_channel(channel, efx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 			if (queues & 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 				efx_schedule_channel_irq(channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 			queues >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 	netif_vdbg(efx, intr, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 		   "IRQ %d on CPU %d status " EFX_DWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 		   irq, raw_smp_processor_id(), EFX_DWORD_VAL(reg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) static int efx_ef10_irq_test_generate(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_TRIGGER_INTERRUPT_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 	if (efx_mcdi_set_workaround(efx, MC_CMD_WORKAROUND_BUG41750, true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 				    NULL) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 		return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 	BUILD_BUG_ON(MC_CMD_TRIGGER_INTERRUPT_OUT_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 	MCDI_SET_DWORD(inbuf, TRIGGER_INTERRUPT_IN_INTR_LEVEL, efx->irq_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	return efx_mcdi_rpc(efx, MC_CMD_TRIGGER_INTERRUPT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 			    inbuf, sizeof(inbuf), NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) static int efx_ef10_tx_probe(struct efx_tx_queue *tx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 	/* low two bits of label are what we want for type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 	BUILD_BUG_ON((EFX_TXQ_TYPE_OUTER_CSUM | EFX_TXQ_TYPE_INNER_CSUM) != 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 	tx_queue->type = tx_queue->label & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 	return efx_nic_alloc_buffer(tx_queue->efx, &tx_queue->txd.buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 				    (tx_queue->ptr_mask + 1) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 				    sizeof(efx_qword_t),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 				    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) /* This writes to the TX_DESC_WPTR and also pushes data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) static inline void efx_ef10_push_tx_desc(struct efx_tx_queue *tx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 					 const efx_qword_t *txd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 	unsigned int write_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	efx_oword_t reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 	write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 	EFX_POPULATE_OWORD_1(reg, ERF_DZ_TX_DESC_WPTR, write_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 	reg.qword[0] = *txd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 	efx_writeo_page(tx_queue->efx, &reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 			ER_DZ_TX_DESC_UPD, tx_queue->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) /* Add Firmware-Assisted TSO v2 option descriptors to a queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 			 bool *data_mapped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 	struct efx_tx_buffer *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 	u16 inner_ipv4_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 	u16 outer_ipv4_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 	struct tcphdr *tcp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 	struct iphdr *ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 	u16 ip_tot_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 	u32 seqnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) 	u32 mss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) 	EFX_WARN_ON_ONCE_PARANOID(tx_queue->tso_version != 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 	mss = skb_shinfo(skb)->gso_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 	if (unlikely(mss < 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 		WARN_ONCE(1, "MSS of %u is too small for TSO v2\n", mss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 	if (skb->encapsulation) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 		if (!tx_queue->tso_encap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 		ip = ip_hdr(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 		if (ip->version == 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 			outer_ipv4_id = ntohs(ip->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 		ip = inner_ip_hdr(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 		tcp = inner_tcp_hdr(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 		ip = ip_hdr(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 		tcp = tcp_hdr(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 	/* 8000-series EF10 hardware requires that IP Total Length be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 	 * greater than or equal to the value it will have in each segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 	 * (which is at most mss + 208 + TCP header length), but also less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 	 * than (0x10000 - inner_network_header).  Otherwise the TCP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 	 * checksum calculation will be broken for encapsulated packets.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 	 * We fill in ip->tot_len with 0xff30, which should satisfy the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 	 * first requirement unless the MSS is ridiculously large (which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 	 * should be impossible as the driver max MTU is 9216); it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 	 * guaranteed to satisfy the second as we only attempt TSO if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 	 * inner_network_header <= 208.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 	ip_tot_len = -EFX_TSO2_MAX_HDRLEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 	EFX_WARN_ON_ONCE_PARANOID(mss + EFX_TSO2_MAX_HDRLEN +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 				  (tcp->doff << 2u) > ip_tot_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 	if (ip->version == 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 		ip->tot_len = htons(ip_tot_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 		ip->check = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 		inner_ipv4_id = ntohs(ip->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 		((struct ipv6hdr *)ip)->payload_len = htons(ip_tot_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 	seqnum = ntohl(tcp->seq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 	buffer = efx_tx_queue_get_insert_buffer(tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 	buffer->flags = EFX_TX_BUF_OPTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 	buffer->len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 	buffer->unmap_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 	EFX_POPULATE_QWORD_5(buffer->option,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 			ESF_DZ_TX_DESC_IS_OPT, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 			ESF_DZ_TX_OPTION_TYPE, ESE_DZ_TX_OPTION_DESC_TSO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 			ESF_DZ_TX_TSO_OPTION_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 			ESE_DZ_TX_TSO_OPTION_DESC_FATSO2A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 			ESF_DZ_TX_TSO_IP_ID, inner_ipv4_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 			ESF_DZ_TX_TSO_TCP_SEQNO, seqnum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 			);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 	++tx_queue->insert_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 	buffer = efx_tx_queue_get_insert_buffer(tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 	buffer->flags = EFX_TX_BUF_OPTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 	buffer->len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 	buffer->unmap_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 	EFX_POPULATE_QWORD_5(buffer->option,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 			ESF_DZ_TX_DESC_IS_OPT, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 			ESF_DZ_TX_OPTION_TYPE, ESE_DZ_TX_OPTION_DESC_TSO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 			ESF_DZ_TX_TSO_OPTION_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 			ESE_DZ_TX_TSO_OPTION_DESC_FATSO2B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 			ESF_DZ_TX_TSO_OUTER_IPID, outer_ipv4_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 			ESF_DZ_TX_TSO_TCP_MSS, mss
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 			);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 	++tx_queue->insert_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) static u32 efx_ef10_tso_versions(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) 	u32 tso_versions = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 	if (nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_TX_TSO_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) 		tso_versions |= BIT(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 	if (nic_data->datapath_caps2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) 	    (1 << MC_CMD_GET_CAPABILITIES_V2_OUT_TX_TSO_V2_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 		tso_versions |= BIT(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 	return tso_versions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 	bool csum_offload = tx_queue->type & EFX_TXQ_TYPE_OUTER_CSUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) 	bool inner_csum = tx_queue->type & EFX_TXQ_TYPE_INNER_CSUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 	struct efx_channel *channel = tx_queue->channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) 	struct efx_nic *efx = tx_queue->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	struct efx_ef10_nic_data *nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) 	efx_qword_t *txd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 	nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 	/* Only attempt to enable TX timestamping if we have the license for it,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 	 * otherwise TXQ init will fail
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 	if (!(nic_data->licensed_features &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 	      (1 << LICENSED_V3_FEATURES_TX_TIMESTAMPS_LBN))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 		tx_queue->timestamping = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 		/* Disable sync events on this channel. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 		if (efx->type->ptp_set_ts_sync_events)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 			efx->type->ptp_set_ts_sync_events(efx, false, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 	/* TSOv2 is a limited resource that can only be configured on a limited
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 	 * number of queues. TSO without checksum offload is not really a thing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 	 * so we only enable it for those queues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 	 * TSOv2 cannot be used with Hardware timestamping, and is never needed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 	 * for XDP tx.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 	if (efx_has_cap(efx, TX_TSO_V2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 		if ((csum_offload || inner_csum) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 		    !tx_queue->timestamping && !tx_queue->xdp_tx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 			tx_queue->tso_version = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 			netif_dbg(efx, hw, efx->net_dev, "Using TSOv2 for channel %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 				  channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 	} else if (efx_has_cap(efx, TX_TSO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 		tx_queue->tso_version = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 	rc = efx_mcdi_tx_init(tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 	/* A previous user of this TX queue might have set us up the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 	 * bomb by writing a descriptor to the TX push collector but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 	 * not the doorbell.  (Each collector belongs to a port, not a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 	 * queue or function, so cannot easily be reset.)  We must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 	 * attempt to push a no-op descriptor in its place.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 	tx_queue->buffer[0].flags = EFX_TX_BUF_OPTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 	tx_queue->insert_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 	txd = efx_tx_desc(tx_queue, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 	EFX_POPULATE_QWORD_7(*txd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 			     ESF_DZ_TX_DESC_IS_OPT, true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 			     ESF_DZ_TX_OPTION_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 			     ESE_DZ_TX_OPTION_DESC_CRC_CSUM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) 			     ESF_DZ_TX_OPTION_UDP_TCP_CSUM, csum_offload,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 			     ESF_DZ_TX_OPTION_IP_CSUM, csum_offload && tx_queue->tso_version != 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 			     ESF_DZ_TX_OPTION_INNER_UDP_TCP_CSUM, inner_csum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 			     ESF_DZ_TX_OPTION_INNER_IP_CSUM, inner_csum && tx_queue->tso_version != 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 			     ESF_DZ_TX_TIMESTAMP, tx_queue->timestamping);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 	tx_queue->write_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) 	if (tx_queue->tso_version == 2 && efx_has_cap(efx, TX_TSO_V2_ENCAP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 		tx_queue->tso_encap = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) 	wmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) 	efx_ef10_push_tx_desc(tx_queue, txd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 	netdev_WARN(efx->net_dev, "failed to initialise TXQ %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 		    tx_queue->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) /* This writes to the TX_DESC_WPTR; write pointer for TX descriptor ring */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) static inline void efx_ef10_notify_tx_desc(struct efx_tx_queue *tx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 	unsigned int write_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 	efx_dword_t reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 	write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 	EFX_POPULATE_DWORD_1(reg, ERF_DZ_TX_DESC_WPTR_DWORD, write_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 	efx_writed_page(tx_queue->efx, &reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 			ER_DZ_TX_DESC_UPD_DWORD, tx_queue->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) #define EFX_EF10_MAX_TX_DESCRIPTOR_LEN 0x3fff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) static unsigned int efx_ef10_tx_limit_len(struct efx_tx_queue *tx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) 					  dma_addr_t dma_addr, unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) 	if (len > EFX_EF10_MAX_TX_DESCRIPTOR_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) 		/* If we need to break across multiple descriptors we should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) 		 * stop at a page boundary. This assumes the length limit is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) 		 * greater than the page size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) 		dma_addr_t end = dma_addr + EFX_EF10_MAX_TX_DESCRIPTOR_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) 		BUILD_BUG_ON(EFX_EF10_MAX_TX_DESCRIPTOR_LEN < EFX_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) 		len = (end & (~(EFX_PAGE_SIZE - 1))) - dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 	return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 	unsigned int old_write_count = tx_queue->write_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	struct efx_tx_buffer *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 	unsigned int write_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 	efx_qword_t *txd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 	tx_queue->xmit_pending = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 	if (unlikely(tx_queue->write_count == tx_queue->insert_count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 		write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 		buffer = &tx_queue->buffer[write_ptr];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 		txd = efx_tx_desc(tx_queue, write_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 		++tx_queue->write_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 		/* Create TX descriptor ring entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 		if (buffer->flags & EFX_TX_BUF_OPTION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 			*txd = buffer->option;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 			if (EFX_QWORD_FIELD(*txd, ESF_DZ_TX_OPTION_TYPE) == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 				/* PIO descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 				tx_queue->packet_write_count = tx_queue->write_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 			tx_queue->packet_write_count = tx_queue->write_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 			BUILD_BUG_ON(EFX_TX_BUF_CONT != 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) 			EFX_POPULATE_QWORD_3(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 				*txd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 				ESF_DZ_TX_KER_CONT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) 				buffer->flags & EFX_TX_BUF_CONT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) 				ESF_DZ_TX_KER_BYTE_CNT, buffer->len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) 				ESF_DZ_TX_KER_BUF_ADDR, buffer->dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) 	} while (tx_queue->write_count != tx_queue->insert_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) 	wmb(); /* Ensure descriptors are written before they are fetched */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) 	if (efx_nic_may_push_tx_desc(tx_queue, old_write_count)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) 		txd = efx_tx_desc(tx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) 				  old_write_count & tx_queue->ptr_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 		efx_ef10_push_tx_desc(tx_queue, txd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 		++tx_queue->pushes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 		efx_ef10_notify_tx_desc(tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) static int efx_ef10_probe_multicast_chaining(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 	unsigned int enabled, implemented;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 	bool want_workaround_26807;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) 	rc = efx_mcdi_get_workarounds(efx, &implemented, &enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 	if (rc == -ENOSYS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) 		/* GET_WORKAROUNDS was implemented before this workaround,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 		 * thus it must be unavailable in this firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 		nic_data->workaround_26807 = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) 	want_workaround_26807 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) 		implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) 	nic_data->workaround_26807 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) 		!!(enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 	if (want_workaround_26807 && !nic_data->workaround_26807) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) 		unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) 		rc = efx_mcdi_set_workaround(efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) 					     MC_CMD_WORKAROUND_BUG26807,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) 					     true, &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) 		if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 			if (flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 			    1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 				netif_info(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) 					   "other functions on NIC have been reset\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) 				/* With MCFW v4.6.x and earlier, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) 				 * boot count will have incremented,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) 				 * so re-read the warm_boot_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) 				 * value now to ensure this function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) 				 * doesn't think it has changed next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) 				 * time it checks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 				rc = efx_ef10_get_warm_boot_count(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) 				if (rc >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 					nic_data->warm_boot_count = rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 					rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 			nic_data->workaround_26807 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 		} else if (rc == -EPERM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) 			rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) static int efx_ef10_filter_table_probe(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 	int rc = efx_ef10_probe_multicast_chaining(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) 	struct efx_mcdi_filter_vlan *vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) 	rc = efx_mcdi_filter_table_probe(efx, nic_data->workaround_26807);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) 	list_for_each_entry(vlan, &nic_data->vlan_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) 		rc = efx_mcdi_filter_add_vlan(efx, vlan->vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) 			goto fail_add_vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) fail_add_vlan:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) 	efx_mcdi_filter_table_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) /* This creates an entry in the RX descriptor queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) efx_ef10_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 	struct efx_rx_buffer *rx_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 	efx_qword_t *rxd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 	rxd = efx_rx_desc(rx_queue, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 	rx_buf = efx_rx_buffer(rx_queue, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 	EFX_POPULATE_QWORD_2(*rxd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) 			     ESF_DZ_RX_KER_BYTE_CNT, rx_buf->len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 			     ESF_DZ_RX_KER_BUF_ADDR, rx_buf->dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) static void efx_ef10_rx_write(struct efx_rx_queue *rx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) 	struct efx_nic *efx = rx_queue->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) 	unsigned int write_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 	efx_dword_t reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 	/* Firmware requires that RX_DESC_WPTR be a multiple of 8 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) 	write_count = rx_queue->added_count & ~7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 	if (rx_queue->notified_count == write_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 	do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 		efx_ef10_build_rx_desc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) 			rx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 			rx_queue->notified_count & rx_queue->ptr_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) 	while (++rx_queue->notified_count != write_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) 	wmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 	EFX_POPULATE_DWORD_1(reg, ERF_DZ_RX_DESC_WPTR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) 			     write_count & rx_queue->ptr_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 	efx_writed_page(efx, &reg, ER_DZ_RX_DESC_UPD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) 			efx_rx_queue_index(rx_queue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) static efx_mcdi_async_completer efx_ef10_rx_defer_refill_complete;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) static void efx_ef10_rx_defer_refill(struct efx_rx_queue *rx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_DRIVER_EVENT_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) 	efx_qword_t event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 	EFX_POPULATE_QWORD_2(event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 			     ESF_DZ_EV_CODE, EFX_EF10_DRVGEN_EV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) 			     ESF_DZ_EV_DATA, EFX_EF10_REFILL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 	MCDI_SET_DWORD(inbuf, DRIVER_EVENT_IN_EVQ, channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 	/* MCDI_SET_QWORD is not appropriate here since EFX_POPULATE_* has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 	 * already swapped the data to little-endian order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 	memcpy(MCDI_PTR(inbuf, DRIVER_EVENT_IN_DATA), &event.u64[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) 	       sizeof(efx_qword_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) 	efx_mcdi_rpc_async(channel->efx, MC_CMD_DRIVER_EVENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) 			   inbuf, sizeof(inbuf), 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) 			   efx_ef10_rx_defer_refill_complete, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) efx_ef10_rx_defer_refill_complete(struct efx_nic *efx, unsigned long cookie,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) 				  int rc, efx_dword_t *outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) 				  size_t outlen_actual)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) 	/* nothing to do */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) static int efx_ef10_ev_init(struct efx_channel *channel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) 	struct efx_ef10_nic_data *nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) 	bool use_v2, cut_thru;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) 	nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) 	use_v2 = nic_data->datapath_caps2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) 			    1 << MC_CMD_GET_CAPABILITIES_V2_OUT_INIT_EVQ_V2_LBN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) 	cut_thru = !(nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) 			      1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) 	return efx_mcdi_ev_init(channel, cut_thru, use_v2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) static void efx_ef10_handle_rx_wrong_queue(struct efx_rx_queue *rx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) 					   unsigned int rx_queue_label)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) 	struct efx_nic *efx = rx_queue->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) 	netif_info(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) 		   "rx event arrived on queue %d labeled as queue %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) 		   efx_rx_queue_index(rx_queue), rx_queue_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) 	efx_schedule_reset(efx, RESET_TYPE_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) efx_ef10_handle_rx_bad_lbits(struct efx_rx_queue *rx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) 			     unsigned int actual, unsigned int expected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) 	unsigned int dropped = (actual - expected) & rx_queue->ptr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) 	struct efx_nic *efx = rx_queue->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) 	netif_info(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) 		   "dropped %d events (index=%d expected=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) 		   dropped, actual, expected);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) 	efx_schedule_reset(efx, RESET_TYPE_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) /* partially received RX was aborted. clean up. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) static void efx_ef10_handle_rx_abort(struct efx_rx_queue *rx_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) 	unsigned int rx_desc_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) 	netif_dbg(rx_queue->efx, hw, rx_queue->efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) 		  "scattered RX aborted (dropping %u buffers)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) 		  rx_queue->scatter_n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) 	rx_desc_ptr = rx_queue->removed_count & rx_queue->ptr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) 	efx_rx_packet(rx_queue, rx_desc_ptr, rx_queue->scatter_n,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) 		      0, EFX_RX_PKT_DISCARD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) 	rx_queue->removed_count += rx_queue->scatter_n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) 	rx_queue->scatter_n = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) 	rx_queue->scatter_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) 	++efx_rx_queue_channel(rx_queue)->n_rx_nodesc_trunc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) static u16 efx_ef10_handle_rx_event_errors(struct efx_channel *channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) 					   unsigned int n_packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) 					   unsigned int rx_encap_hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) 					   unsigned int rx_l3_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) 					   unsigned int rx_l4_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) 					   const efx_qword_t *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) 	bool handled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) 	if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_ECRC_ERR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) 		if (!(efx->net_dev->features & NETIF_F_RXALL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) 			if (!efx->loopback_selftest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) 				channel->n_rx_eth_crc_err += n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) 			return EFX_RX_PKT_DISCARD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) 		handled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) 	if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_IPCKSUM_ERR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) 		if (unlikely(rx_encap_hdr != ESE_EZ_ENCAP_HDR_VXLAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) 			     rx_l3_class != ESE_DZ_L3_CLASS_IP4 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) 			     rx_l3_class != ESE_DZ_L3_CLASS_IP4_FRAG &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) 			     rx_l3_class != ESE_DZ_L3_CLASS_IP6 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) 			     rx_l3_class != ESE_DZ_L3_CLASS_IP6_FRAG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) 				    "invalid class for RX_IPCKSUM_ERR: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) 		if (!efx->loopback_selftest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) 			*(rx_encap_hdr ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) 			  &channel->n_rx_outer_ip_hdr_chksum_err :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) 			  &channel->n_rx_ip_hdr_chksum_err) += n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) 	if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_TCPUDP_CKSUM_ERR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) 		if (unlikely(rx_encap_hdr != ESE_EZ_ENCAP_HDR_VXLAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) 			     ((rx_l3_class != ESE_DZ_L3_CLASS_IP4 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) 			       rx_l3_class != ESE_DZ_L3_CLASS_IP6) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) 			      (rx_l4_class != ESE_FZ_L4_CLASS_TCP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) 			       rx_l4_class != ESE_FZ_L4_CLASS_UDP))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) 				    "invalid class for RX_TCPUDP_CKSUM_ERR: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) 		if (!efx->loopback_selftest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) 			*(rx_encap_hdr ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) 			  &channel->n_rx_outer_tcp_udp_chksum_err :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) 			  &channel->n_rx_tcp_udp_chksum_err) += n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) 	if (EFX_QWORD_FIELD(*event, ESF_EZ_RX_IP_INNER_CHKSUM_ERR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) 		if (unlikely(!rx_encap_hdr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) 				    "invalid encapsulation type for RX_IP_INNER_CHKSUM_ERR: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) 		else if (unlikely(rx_l3_class != ESE_DZ_L3_CLASS_IP4 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) 				  rx_l3_class != ESE_DZ_L3_CLASS_IP4_FRAG &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) 				  rx_l3_class != ESE_DZ_L3_CLASS_IP6 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) 				  rx_l3_class != ESE_DZ_L3_CLASS_IP6_FRAG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) 				    "invalid class for RX_IP_INNER_CHKSUM_ERR: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) 		if (!efx->loopback_selftest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) 			channel->n_rx_inner_ip_hdr_chksum_err += n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) 	if (EFX_QWORD_FIELD(*event, ESF_EZ_RX_TCP_UDP_INNER_CHKSUM_ERR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) 		if (unlikely(!rx_encap_hdr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) 				    "invalid encapsulation type for RX_TCP_UDP_INNER_CHKSUM_ERR: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) 		else if (unlikely((rx_l3_class != ESE_DZ_L3_CLASS_IP4 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) 				   rx_l3_class != ESE_DZ_L3_CLASS_IP6) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) 				  (rx_l4_class != ESE_FZ_L4_CLASS_TCP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) 				   rx_l4_class != ESE_FZ_L4_CLASS_UDP)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) 				    "invalid class for RX_TCP_UDP_INNER_CHKSUM_ERR: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) 		if (!efx->loopback_selftest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) 			channel->n_rx_inner_tcp_udp_chksum_err += n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) 	WARN_ON(!handled); /* No error bits were recognised */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) static int efx_ef10_handle_rx_event(struct efx_channel *channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) 				    const efx_qword_t *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) 	unsigned int rx_bytes, next_ptr_lbits, rx_queue_label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) 	unsigned int rx_l3_class, rx_l4_class, rx_encap_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) 	unsigned int n_descs, n_packets, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) 	struct efx_rx_queue *rx_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) 	efx_qword_t errors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) 	bool rx_cont;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) 	u16 flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) 	if (unlikely(READ_ONCE(efx->reset_pending)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) 	/* Basic packet information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) 	rx_bytes = EFX_QWORD_FIELD(*event, ESF_DZ_RX_BYTES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) 	next_ptr_lbits = EFX_QWORD_FIELD(*event, ESF_DZ_RX_DSC_PTR_LBITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) 	rx_queue_label = EFX_QWORD_FIELD(*event, ESF_DZ_RX_QLABEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) 	rx_l3_class = EFX_QWORD_FIELD(*event, ESF_DZ_RX_L3_CLASS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) 	rx_l4_class = EFX_QWORD_FIELD(*event, ESF_FZ_RX_L4_CLASS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) 	rx_cont = EFX_QWORD_FIELD(*event, ESF_DZ_RX_CONT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) 	rx_encap_hdr =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) 		nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) 			(1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) 		EFX_QWORD_FIELD(*event, ESF_EZ_RX_ENCAP_HDR) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) 		ESE_EZ_ENCAP_HDR_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) 	if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_DROP_EVENT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) 		netdev_WARN(efx->net_dev, "saw RX_DROP_EVENT: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) 			    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) 			    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) 	rx_queue = efx_channel_get_rx_queue(channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) 	if (unlikely(rx_queue_label != efx_rx_queue_index(rx_queue)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) 		efx_ef10_handle_rx_wrong_queue(rx_queue, rx_queue_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) 	n_descs = ((next_ptr_lbits - rx_queue->removed_count) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) 		   ((1 << ESF_DZ_RX_DSC_PTR_LBITS_WIDTH) - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) 	if (n_descs != rx_queue->scatter_n + 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) 		struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) 		/* detect rx abort */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) 		if (unlikely(n_descs == rx_queue->scatter_n)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) 			if (rx_queue->scatter_n == 0 || rx_bytes != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) 				netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) 					    "invalid RX abort: scatter_n=%u event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) 					    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) 					    rx_queue->scatter_n,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) 					    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) 			efx_ef10_handle_rx_abort(rx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) 		/* Check that RX completion merging is valid, i.e.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) 		 * the current firmware supports it and this is a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) 		 * non-scattered packet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) 		if (!(nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) 		      (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) 		    rx_queue->scatter_n != 0 || rx_cont) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) 			efx_ef10_handle_rx_bad_lbits(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) 				rx_queue, next_ptr_lbits,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) 				(rx_queue->removed_count +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) 				 rx_queue->scatter_n + 1) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) 				((1 << ESF_DZ_RX_DSC_PTR_LBITS_WIDTH) - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) 		/* Merged completion for multiple non-scattered packets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) 		rx_queue->scatter_n = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) 		rx_queue->scatter_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) 		n_packets = n_descs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) 		++channel->n_rx_merge_events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) 		channel->n_rx_merge_packets += n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) 		flags |= EFX_RX_PKT_PREFIX_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) 		++rx_queue->scatter_n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) 		rx_queue->scatter_len += rx_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) 		if (rx_cont)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) 		n_packets = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) 	EFX_POPULATE_QWORD_5(errors, ESF_DZ_RX_ECRC_ERR, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) 				     ESF_DZ_RX_IPCKSUM_ERR, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) 				     ESF_DZ_RX_TCPUDP_CKSUM_ERR, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) 				     ESF_EZ_RX_IP_INNER_CHKSUM_ERR, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) 				     ESF_EZ_RX_TCP_UDP_INNER_CHKSUM_ERR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) 	EFX_AND_QWORD(errors, *event, errors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) 	if (unlikely(!EFX_QWORD_IS_ZERO(errors))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) 		flags |= efx_ef10_handle_rx_event_errors(channel, n_packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) 							 rx_encap_hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) 							 rx_l3_class, rx_l4_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) 							 event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) 		bool tcpudp = rx_l4_class == ESE_FZ_L4_CLASS_TCP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) 			      rx_l4_class == ESE_FZ_L4_CLASS_UDP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) 		switch (rx_encap_hdr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) 		case ESE_EZ_ENCAP_HDR_VXLAN: /* VxLAN or GENEVE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) 			flags |= EFX_RX_PKT_CSUMMED; /* outer UDP csum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) 			if (tcpudp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) 				flags |= EFX_RX_PKT_CSUM_LEVEL; /* inner L4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) 		case ESE_EZ_ENCAP_HDR_GRE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) 		case ESE_EZ_ENCAP_HDR_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 			if (tcpudp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) 				flags |= EFX_RX_PKT_CSUMMED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) 			netdev_WARN(efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) 				    "unknown encapsulation type: event="
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) 				    EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) 				    EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) 	if (rx_l4_class == ESE_FZ_L4_CLASS_TCP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) 		flags |= EFX_RX_PKT_TCP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) 	channel->irq_mod_score += 2 * n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) 	/* Handle received packet(s) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) 	for (i = 0; i < n_packets; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) 		efx_rx_packet(rx_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) 			      rx_queue->removed_count & rx_queue->ptr_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) 			      rx_queue->scatter_n, rx_queue->scatter_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) 			      flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) 		rx_queue->removed_count += rx_queue->scatter_n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) 	rx_queue->scatter_n = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) 	rx_queue->scatter_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) 	return n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) static u32 efx_ef10_extract_event_ts(efx_qword_t *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) 	u32 tstamp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) 	tstamp = EFX_QWORD_FIELD(*event, TX_TIMESTAMP_EVENT_TSTAMP_DATA_HI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) 	tstamp <<= 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) 	tstamp |= EFX_QWORD_FIELD(*event, TX_TIMESTAMP_EVENT_TSTAMP_DATA_LO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) 	return tstamp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) efx_ef10_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917) 	struct efx_tx_queue *tx_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) 	unsigned int tx_ev_desc_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) 	unsigned int tx_ev_q_label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) 	unsigned int tx_ev_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) 	u64 ts_part;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923) 	if (unlikely(READ_ONCE(efx->reset_pending)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) 	if (unlikely(EFX_QWORD_FIELD(*event, ESF_DZ_TX_DROP_EVENT)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) 	/* Get the transmit queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) 	tx_ev_q_label = EFX_QWORD_FIELD(*event, ESF_DZ_TX_QLABEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) 	tx_queue = channel->tx_queue + (tx_ev_q_label % EFX_MAX_TXQ_PER_CHANNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) 	if (!tx_queue->timestamping) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) 		/* Transmit completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) 		tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, ESF_DZ_TX_DESCR_INDX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) 		efx_xmit_done(tx_queue, tx_ev_desc_ptr & tx_queue->ptr_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) 	/* Transmit timestamps are only available for 8XXX series. They result
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) 	 * in up to three events per packet. These occur in order, and are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) 	 *  - the normal completion event (may be omitted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) 	 *  - the low part of the timestamp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) 	 *  - the high part of the timestamp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) 	 * It's possible for multiple completion events to appear before the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) 	 * corresponding timestamps. So we can for example get:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) 	 *  COMP N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) 	 *  COMP N+1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) 	 *  TS_LO N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) 	 *  TS_HI N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) 	 *  TS_LO N+1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) 	 *  TS_HI N+1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) 	 * In addition it's also possible for the adjacent completions to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) 	 * merged, so we may not see COMP N above. As such, the completion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) 	 * events are not very useful here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) 	 * Each part of the timestamp is itself split across two 16 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) 	 * fields in the event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) 	tx_ev_type = EFX_QWORD_FIELD(*event, ESF_EZ_TX_SOFT1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) 	switch (tx_ev_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) 	case TX_TIMESTAMP_EVENT_TX_EV_COMPLETION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) 		/* Ignore this event - see above. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) 	case TX_TIMESTAMP_EVENT_TX_EV_TSTAMP_LO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) 		ts_part = efx_ef10_extract_event_ts(event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) 		tx_queue->completed_timestamp_minor = ts_part;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) 	case TX_TIMESTAMP_EVENT_TX_EV_TSTAMP_HI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) 		ts_part = efx_ef10_extract_event_ts(event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) 		tx_queue->completed_timestamp_major = ts_part;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) 		efx_xmit_done_single(tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) 		netif_err(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) 			  "channel %d unknown tx event type %d (data "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) 			  EFX_QWORD_FMT ")\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) 			  channel->channel, tx_ev_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) 			  EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) efx_ef10_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) 	int subcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) 	subcode = EFX_QWORD_FIELD(*event, ESF_DZ_DRV_SUB_CODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) 	switch (subcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) 	case ESE_DZ_DRV_TIMER_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) 	case ESE_DZ_DRV_WAKE_UP_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) 	case ESE_DZ_DRV_START_UP_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) 		/* event queue init complete. ok. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) 		netif_err(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) 			  "channel %d unknown driver event type %d"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) 			  " (data " EFX_QWORD_FMT ")\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) 			  channel->channel, subcode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) 			  EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) static void efx_ef10_handle_driver_generated_event(struct efx_channel *channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) 						   efx_qword_t *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) 	u32 subcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) 	subcode = EFX_QWORD_FIELD(*event, EFX_DWORD_0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) 	switch (subcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) 	case EFX_EF10_TEST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) 		channel->event_test_cpu = raw_smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) 	case EFX_EF10_REFILL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) 		/* The queue must be empty, so we won't receive any rx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) 		 * events, so efx_process_channel() won't refill the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) 		 * queue. Refill it here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) 		efx_fast_push_rx_descriptors(&channel->rx_queue, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) 		netif_err(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) 			  "channel %d unknown driver event type %u"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) 			  " (data " EFX_QWORD_FMT ")\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) 			  channel->channel, (unsigned) subcode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) 			  EFX_QWORD_VAL(*event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) static int efx_ef10_ev_process(struct efx_channel *channel, int quota)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) 	efx_qword_t event, *p_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) 	unsigned int read_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) 	int ev_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) 	int spent = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) 	if (quota <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) 		return spent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) 	read_ptr = channel->eventq_read_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) 		p_event = efx_event(channel, read_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) 		event = *p_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) 		if (!efx_event_present(&event))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) 		EFX_SET_QWORD(*p_event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) 		++read_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) 		ev_code = EFX_QWORD_FIELD(event, ESF_DZ_EV_CODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) 		netif_vdbg(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) 			   "processing event on %d " EFX_QWORD_FMT "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) 			   channel->channel, EFX_QWORD_VAL(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) 		switch (ev_code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) 		case ESE_DZ_EV_CODE_MCDI_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) 			efx_mcdi_process_event(channel, &event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) 		case ESE_DZ_EV_CODE_RX_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) 			spent += efx_ef10_handle_rx_event(channel, &event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) 			if (spent >= quota) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) 				/* XXX can we split a merged event to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) 				 * avoid going over-quota?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) 				spent = quota;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) 		case ESE_DZ_EV_CODE_TX_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) 			efx_ef10_handle_tx_event(channel, &event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) 		case ESE_DZ_EV_CODE_DRIVER_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) 			efx_ef10_handle_driver_event(channel, &event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) 			if (++spent == quota)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) 		case EFX_EF10_DRVGEN_EV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) 			efx_ef10_handle_driver_generated_event(channel, &event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) 			netif_err(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) 				  "channel %d unknown event type %d"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) 				  " (data " EFX_QWORD_FMT ")\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) 				  channel->channel, ev_code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) 				  EFX_QWORD_VAL(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) 	channel->eventq_read_ptr = read_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) 	return spent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) static void efx_ef10_ev_read_ack(struct efx_channel *channel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) 	efx_dword_t rptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) 	if (EFX_EF10_WORKAROUND_35388(efx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) 		BUILD_BUG_ON(EFX_MIN_EVQ_SIZE <
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) 			     (1 << ERF_DD_EVQ_IND_RPTR_WIDTH));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) 		BUILD_BUG_ON(EFX_MAX_EVQ_SIZE >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) 			     (1 << 2 * ERF_DD_EVQ_IND_RPTR_WIDTH));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) 		EFX_POPULATE_DWORD_2(rptr, ERF_DD_EVQ_IND_RPTR_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125) 				     EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) 				     ERF_DD_EVQ_IND_RPTR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127) 				     (channel->eventq_read_ptr &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) 				      channel->eventq_mask) >>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) 				     ERF_DD_EVQ_IND_RPTR_WIDTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) 		efx_writed_page(efx, &rptr, ER_DD_EVQ_INDIRECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) 				channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132) 		EFX_POPULATE_DWORD_2(rptr, ERF_DD_EVQ_IND_RPTR_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) 				     EFE_DD_EVQ_IND_RPTR_FLAGS_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) 				     ERF_DD_EVQ_IND_RPTR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) 				     channel->eventq_read_ptr &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) 				     ((1 << ERF_DD_EVQ_IND_RPTR_WIDTH) - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) 		efx_writed_page(efx, &rptr, ER_DD_EVQ_INDIRECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) 				channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) 		EFX_POPULATE_DWORD_1(rptr, ERF_DZ_EVQ_RPTR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) 				     channel->eventq_read_ptr &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) 				     channel->eventq_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) 		efx_writed_page(efx, &rptr, ER_DZ_EVQ_RPTR, channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) static void efx_ef10_ev_test_generate(struct efx_channel *channel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_DRIVER_EVENT_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) 	struct efx_nic *efx = channel->efx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) 	efx_qword_t event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) 	EFX_POPULATE_QWORD_2(event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) 			     ESF_DZ_EV_CODE, EFX_EF10_DRVGEN_EV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) 			     ESF_DZ_EV_DATA, EFX_EF10_TEST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) 	MCDI_SET_DWORD(inbuf, DRIVER_EVENT_IN_EVQ, channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) 	/* MCDI_SET_QWORD is not appropriate here since EFX_POPULATE_* has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) 	 * already swapped the data to little-endian order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) 	memcpy(MCDI_PTR(inbuf, DRIVER_EVENT_IN_DATA), &event.u64[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) 	       sizeof(efx_qword_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) 	rc = efx_mcdi_rpc(efx, MC_CMD_DRIVER_EVENT, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) 			  NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) 	WARN_ON(true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) 	netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) static void efx_ef10_prepare_flr(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) 	atomic_set(&efx->active_queues, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) static int efx_ef10_vport_set_mac_address(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) 	u8 mac_old[ETH_ALEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) 	int rc, rc2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) 	/* Only reconfigure a PF-created vport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) 	if (is_zero_ether_addr(nic_data->vport_mac))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) 	efx_device_detach_sync(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) 	efx_net_stop(efx->net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) 	down_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) 	efx_mcdi_filter_table_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) 	up_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) 	rc = efx_ef10_vadaptor_free(efx, efx->vport_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) 		goto restore_filters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) 	ether_addr_copy(mac_old, nic_data->vport_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) 	rc = efx_ef10_vport_del_mac(efx, efx->vport_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) 				    nic_data->vport_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) 		goto restore_vadaptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) 	rc = efx_ef10_vport_add_mac(efx, efx->vport_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) 				    efx->net_dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) 	if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) 		ether_addr_copy(nic_data->vport_mac, efx->net_dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) 		rc2 = efx_ef10_vport_add_mac(efx, efx->vport_id, mac_old);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) 		if (rc2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) 			/* Failed to add original MAC, so clear vport_mac */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) 			eth_zero_addr(nic_data->vport_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218) 			goto reset_nic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) restore_vadaptor:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) 	rc2 = efx_ef10_vadaptor_alloc(efx, efx->vport_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) 	if (rc2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) 		goto reset_nic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) restore_filters:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) 	down_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) 	rc2 = efx_ef10_filter_table_probe(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) 	up_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) 	if (rc2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) 		goto reset_nic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) 	rc2 = efx_net_open(efx->net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) 	if (rc2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) 		goto reset_nic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) 	efx_device_attach_if_not_resetting(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) reset_nic:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) 	netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) 		  "Failed to restore when changing MAC address - scheduling reset\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) 	efx_schedule_reset(efx, RESET_TYPE_DATAPATH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) 	return rc ? rc : rc2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) static int efx_ef10_set_mac_address(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) 	bool was_enabled = efx->port_enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) 	efx_device_detach_sync(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256) 	efx_net_stop(efx->net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) 	mutex_lock(&efx->mac_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) 	down_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260) 	efx_mcdi_filter_table_remove(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) 	ether_addr_copy(MCDI_PTR(inbuf, VADAPTOR_SET_MAC_IN_MACADDR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) 			efx->net_dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) 	MCDI_SET_DWORD(inbuf, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) 		       efx->vport_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) 	rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) 				sizeof(inbuf), NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) 	efx_ef10_filter_table_probe(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) 	up_write(&efx->filter_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) 	mutex_unlock(&efx->mac_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) 	if (was_enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) 		efx_net_open(efx->net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) 	efx_device_attach_if_not_resetting(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) 	if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) 		struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) 		struct pci_dev *pci_dev_pf = efx->pci_dev->physfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) 		if (rc == -EPERM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) 			struct efx_nic *efx_pf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) 			/* Switch to PF and change MAC address on vport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) 			efx_pf = pci_get_drvdata(pci_dev_pf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) 			rc = efx_ef10_sriov_set_vf_mac(efx_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) 						       nic_data->vf_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) 						       efx->net_dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) 		} else if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) 			struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) 			struct efx_ef10_nic_data *nic_data = efx_pf->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) 			unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) 			/* MAC address successfully changed by VF (with MAC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) 			 * spoofing) so update the parent PF if possible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) 			for (i = 0; i < efx_pf->vf_count; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) 				struct ef10_vf *vf = nic_data->vf + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) 				if (vf->efx == efx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) 					ether_addr_copy(vf->mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) 							efx->net_dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) 					return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) 	if (rc == -EPERM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) 		netif_err(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) 			  "Cannot change MAC address; use sfboot to enable"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) 			  " mac-spoofing on this interface\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315) 	} else if (rc == -ENOSYS && !efx_ef10_is_vf(efx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316) 		/* If the active MCFW does not support MC_CMD_VADAPTOR_SET_MAC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) 		 * fall-back to the method of changing the MAC address on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318) 		 * vport.  This only applies to PFs because such versions of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319) 		 * MCFW do not support VFs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321) 		rc = efx_ef10_vport_set_mac_address(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322) 	} else if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323) 		efx_mcdi_display_error(efx, MC_CMD_VADAPTOR_SET_MAC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324) 				       sizeof(inbuf), NULL, 0, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) static int efx_ef10_mac_reconfigure(struct efx_nic *efx, bool mtu_only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) 	WARN_ON(!mutex_is_locked(&efx->mac_lock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334) 	efx_mcdi_filter_sync_rx_mode(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) 	if (mtu_only && efx_has_cap(efx, SET_MAC_ENHANCED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) 		return efx_mcdi_set_mtu(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) 	return efx_mcdi_set_mac(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) static int efx_ef10_start_bist(struct efx_nic *efx, u32 bist_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345) 	MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) 	return efx_mcdi_rpc(efx, MC_CMD_START_BIST, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) 			    NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350) /* MC BISTs follow a different poll mechanism to phy BISTs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351)  * The BIST is done in the poll handler on the MC, and the MCDI command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352)  * will block until the BIST is done.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) static int efx_ef10_poll_bist(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) 	size_t outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) 	u32 result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) 	rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) 			   outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) 	if (outlen < MC_CMD_POLL_BIST_OUT_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) 	result = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) 	switch (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) 	case MC_CMD_POLL_BIST_PASSED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372) 		netif_dbg(efx, hw, efx->net_dev, "BIST passed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374) 	case MC_CMD_POLL_BIST_TIMEOUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) 		netif_err(efx, hw, efx->net_dev, "BIST timed out\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377) 	case MC_CMD_POLL_BIST_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) 		netif_err(efx, hw, efx->net_dev, "BIST failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381) 		netif_err(efx, hw, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) 			  "BIST returned unknown result %u", result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) static int efx_ef10_run_bist(struct efx_nic *efx, u32 bist_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391) 	netif_dbg(efx, drv, efx->net_dev, "starting BIST type %u\n", bist_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393) 	rc = efx_ef10_start_bist(efx, bist_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) 	return efx_ef10_poll_bist(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401) efx_ef10_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403) 	int rc, rc2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405) 	efx_reset_down(efx, RESET_TYPE_WORLD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) 	rc = efx_mcdi_rpc(efx, MC_CMD_ENABLE_OFFLINE_BIST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) 			  NULL, 0, NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) 	tests->memory = efx_ef10_run_bist(efx, MC_CMD_MC_MEM_BIST) ? -1 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413) 	tests->registers = efx_ef10_run_bist(efx, MC_CMD_REG_BIST) ? -1 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) 	rc = efx_mcdi_reset(efx, RESET_TYPE_WORLD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418) 	if (rc == -EPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419) 		rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420) 	rc2 = efx_reset_up(efx, RESET_TYPE_WORLD, rc == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421) 	return rc ? rc : rc2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) #ifdef CONFIG_SFC_MTD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) struct efx_ef10_nvram_type_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427) 	u16 type, type_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428) 	u8 port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) static const struct efx_ef10_nvram_type_info efx_ef10_nvram_types[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) 	{ NVRAM_PARTITION_TYPE_MC_FIRMWARE,	   0,    0, "sfc_mcfw" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434) 	{ NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 0,    0, "sfc_mcfw_backup" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) 	{ NVRAM_PARTITION_TYPE_EXPANSION_ROM,	   0,    0, "sfc_exp_rom" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436) 	{ NVRAM_PARTITION_TYPE_STATIC_CONFIG,	   0,    0, "sfc_static_cfg" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) 	{ NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG,	   0,    0, "sfc_dynamic_cfg" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438) 	{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 0,   0, "sfc_exp_rom_cfg" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439) 	{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT1, 0,   1, "sfc_exp_rom_cfg" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440) 	{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT2, 0,   2, "sfc_exp_rom_cfg" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441) 	{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT3, 0,   3, "sfc_exp_rom_cfg" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442) 	{ NVRAM_PARTITION_TYPE_LICENSE,		   0,    0, "sfc_license" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443) 	{ NVRAM_PARTITION_TYPE_PHY_MIN,		   0xff, 0, "sfc_phy_fw" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444) 	{ NVRAM_PARTITION_TYPE_MUM_FIRMWARE,	   0,    0, "sfc_mumfw" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) 	{ NVRAM_PARTITION_TYPE_EXPANSION_UEFI,	   0,    0, "sfc_uefi" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446) 	{ NVRAM_PARTITION_TYPE_DYNCONFIG_DEFAULTS, 0,    0, "sfc_dynamic_cfg_dflt" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) 	{ NVRAM_PARTITION_TYPE_ROMCONFIG_DEFAULTS, 0,    0, "sfc_exp_rom_cfg_dflt" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448) 	{ NVRAM_PARTITION_TYPE_STATUS,		   0,    0, "sfc_status" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) 	{ NVRAM_PARTITION_TYPE_BUNDLE,		   0,    0, "sfc_bundle" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) 	{ NVRAM_PARTITION_TYPE_BUNDLE_METADATA,	   0,    0, "sfc_bundle_metadata" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) #define EF10_NVRAM_PARTITION_COUNT	ARRAY_SIZE(efx_ef10_nvram_types)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) static int efx_ef10_mtd_probe_partition(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) 					struct efx_mcdi_mtd_partition *part,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) 					unsigned int type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457) 					unsigned long *found)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_NVRAM_METADATA_IN_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_METADATA_OUT_LENMAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) 	const struct efx_ef10_nvram_type_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462) 	size_t size, erase_size, outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463) 	int type_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464) 	bool protected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467) 	for (type_idx = 0; ; type_idx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468) 		if (type_idx == EF10_NVRAM_PARTITION_COUNT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470) 		info = efx_ef10_nvram_types + type_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471) 		if ((type & ~info->type_mask) == info->type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474) 	if (info->port != efx_port_num(efx))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) 	rc = efx_mcdi_nvram_info(efx, type, &size, &erase_size, &protected);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480) 	if (protected &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) 	    (type != NVRAM_PARTITION_TYPE_DYNCONFIG_DEFAULTS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482) 	     type != NVRAM_PARTITION_TYPE_ROMCONFIG_DEFAULTS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483) 		/* Hide protected partitions that don't provide defaults. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486) 	if (protected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487) 		/* Protected partitions are read only. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488) 		erase_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490) 	/* If we've already exposed a partition of this type, hide this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) 	 * duplicate.  All operations on MTDs are keyed by the type anyway,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3492) 	 * so we can't act on the duplicate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3493) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3494) 	if (__test_and_set_bit(type_idx, found))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3495) 		return -EEXIST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497) 	part->nvram_type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499) 	MCDI_SET_DWORD(inbuf, NVRAM_METADATA_IN_TYPE, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500) 	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_METADATA, inbuf, sizeof(inbuf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501) 			  outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) 	if (outlen < MC_CMD_NVRAM_METADATA_OUT_LENMIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) 	if (MCDI_DWORD(outbuf, NVRAM_METADATA_OUT_FLAGS) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) 	    (1 << MC_CMD_NVRAM_METADATA_OUT_SUBTYPE_VALID_LBN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508) 		part->fw_subtype = MCDI_DWORD(outbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509) 					      NVRAM_METADATA_OUT_SUBTYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511) 	part->common.dev_type_name = "EF10 NVRAM manager";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512) 	part->common.type_name = info->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514) 	part->common.mtd.type = MTD_NORFLASH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) 	part->common.mtd.flags = MTD_CAP_NORFLASH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) 	part->common.mtd.size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) 	part->common.mtd.erasesize = erase_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) 	/* sfc_status is read-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519) 	if (!erase_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520) 		part->common.mtd.flags |= MTD_NO_ERASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525) static int efx_ef10_mtd_probe(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) 	DECLARE_BITMAP(found, EF10_NVRAM_PARTITION_COUNT) = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) 	struct efx_mcdi_mtd_partition *parts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530) 	size_t outlen, n_parts_total, i, n_parts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531) 	unsigned int type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) 	ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536) 	BUILD_BUG_ON(MC_CMD_NVRAM_PARTITIONS_IN_LEN != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537) 	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_PARTITIONS, NULL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538) 			  outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) 	if (outlen < MC_CMD_NVRAM_PARTITIONS_OUT_LENMIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544) 	n_parts_total = MCDI_DWORD(outbuf, NVRAM_PARTITIONS_OUT_NUM_PARTITIONS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) 	if (n_parts_total >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546) 	    MCDI_VAR_ARRAY_LEN(outlen, NVRAM_PARTITIONS_OUT_TYPE_ID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3549) 	parts = kcalloc(n_parts_total, sizeof(*parts), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3550) 	if (!parts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553) 	n_parts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554) 	for (i = 0; i < n_parts_total; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555) 		type = MCDI_ARRAY_DWORD(outbuf, NVRAM_PARTITIONS_OUT_TYPE_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556) 					i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557) 		rc = efx_ef10_mtd_probe_partition(efx, &parts[n_parts], type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) 						  found);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559) 		if (rc == -EEXIST || rc == -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563) 		n_parts++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) 	rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569) 		kfree(parts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573) #endif /* CONFIG_SFC_MTD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575) static void efx_ef10_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577) 	_efx_writed(efx, cpu_to_le32(host_time), ER_DZ_MC_DB_LWRD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580) static void efx_ef10_ptp_write_host_time_vf(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581) 					    u32 host_time) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583) static int efx_ef10_rx_enable_timestamping(struct efx_channel *channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) 					   bool temp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_TIME_EVENT_SUBSCRIBE_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589) 	if (channel->sync_events_state == SYNC_EVENTS_REQUESTED ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590) 	    channel->sync_events_state == SYNC_EVENTS_VALID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591) 	    (temp && channel->sync_events_state == SYNC_EVENTS_DISABLED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593) 	channel->sync_events_state = SYNC_EVENTS_REQUESTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595) 	MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_TIME_EVENT_SUBSCRIBE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596) 	MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) 	MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_SUBSCRIBE_QUEUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598) 		       channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) 	rc = efx_mcdi_rpc(channel->efx, MC_CMD_PTP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601) 			  inbuf, sizeof(inbuf), NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603) 	if (rc != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) 		channel->sync_events_state = temp ? SYNC_EVENTS_QUIESCENT :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605) 						    SYNC_EVENTS_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610) static int efx_ef10_rx_disable_timestamping(struct efx_channel *channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611) 					    bool temp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_TIME_EVENT_UNSUBSCRIBE_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) 	if (channel->sync_events_state == SYNC_EVENTS_DISABLED ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617) 	    (temp && channel->sync_events_state == SYNC_EVENTS_QUIESCENT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619) 	if (channel->sync_events_state == SYNC_EVENTS_QUIESCENT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620) 		channel->sync_events_state = SYNC_EVENTS_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) 	channel->sync_events_state = temp ? SYNC_EVENTS_QUIESCENT :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624) 					    SYNC_EVENTS_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626) 	MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_TIME_EVENT_UNSUBSCRIBE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627) 	MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628) 	MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_UNSUBSCRIBE_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629) 		       MC_CMD_PTP_IN_TIME_EVENT_UNSUBSCRIBE_SINGLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630) 	MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_UNSUBSCRIBE_QUEUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631) 		       channel->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633) 	rc = efx_mcdi_rpc(channel->efx, MC_CMD_PTP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634) 			  inbuf, sizeof(inbuf), NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) static int efx_ef10_ptp_set_ts_sync_events(struct efx_nic *efx, bool en,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640) 					   bool temp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) 	int (*set)(struct efx_channel *channel, bool temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643) 	struct efx_channel *channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645) 	set = en ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646) 	      efx_ef10_rx_enable_timestamping :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647) 	      efx_ef10_rx_disable_timestamping;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649) 	channel = efx_ptp_channel(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650) 	if (channel) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651) 		int rc = set(channel, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652) 		if (en && rc != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653) 			efx_ef10_ptp_set_ts_sync_events(efx, false, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) static int efx_ef10_ptp_set_ts_config_vf(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) 					 struct hwtstamp_config *init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664) 	return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667) static int efx_ef10_ptp_set_ts_config(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668) 				      struct hwtstamp_config *init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672) 	switch (init->rx_filter) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673) 	case HWTSTAMP_FILTER_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674) 		efx_ef10_ptp_set_ts_sync_events(efx, false, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675) 		/* if TX timestamping is still requested then leave PTP on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676) 		return efx_ptp_change_mode(efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) 					   init->tx_type != HWTSTAMP_TX_OFF, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678) 	case HWTSTAMP_FILTER_ALL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) 	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680) 	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681) 	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682) 	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683) 	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684) 	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685) 	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686) 	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687) 	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688) 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689) 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690) 	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691) 	case HWTSTAMP_FILTER_NTP_ALL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) 		init->rx_filter = HWTSTAMP_FILTER_ALL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) 		rc = efx_ptp_change_mode(efx, true, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) 		if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695) 			rc = efx_ef10_ptp_set_ts_sync_events(efx, true, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697) 			efx_ptp_change_mode(efx, false, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700) 		return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704) static int efx_ef10_get_phys_port_id(struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705) 				     struct netdev_phys_item_id *ppid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709) 	if (!is_valid_ether_addr(nic_data->port_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712) 	ppid->id_len = ETH_ALEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713) 	memcpy(ppid->id, nic_data->port_id, ppid->id_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718) static int efx_ef10_vlan_rx_add_vid(struct efx_nic *efx, __be16 proto, u16 vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) 	if (proto != htons(ETH_P_8021Q))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723) 	return efx_ef10_add_vlan(efx, vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726) static int efx_ef10_vlan_rx_kill_vid(struct efx_nic *efx, __be16 proto, u16 vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728) 	if (proto != htons(ETH_P_8021Q))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731) 	return efx_ef10_del_vlan(efx, vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) /* We rely on the MCDI wiping out our TX rings if it made any changes to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735)  * ports table, ensuring that any TSO descriptors that were made on a now-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736)  * removed tunnel port will be blown away and won't break things when we try
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737)  * to transmit them using the new ports table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) static int efx_ef10_set_udp_tnl_ports(struct efx_nic *efx, bool unloading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) 	MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LENMAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) 	MCDI_DECLARE_BUF(outbuf, MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) 	bool will_reset = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745) 	size_t num_entries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746) 	size_t inlen, outlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747) 	size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749) 	efx_dword_t flags_and_num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) 	WARN_ON(!mutex_is_locked(&nic_data->udp_tunnels_lock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) 	nic_data->udp_tunnels_dirty = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755) 	if (!(nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756) 	    (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757) 		efx_device_attach_if_not_resetting(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) 	BUILD_BUG_ON(ARRAY_SIZE(nic_data->udp_tunnels) >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762) 		     MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES_MAXNUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) 	for (i = 0; i < ARRAY_SIZE(nic_data->udp_tunnels); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) 		if (nic_data->udp_tunnels[i].type !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766) 		    TUNNEL_ENCAP_UDP_PORT_ENTRY_INVALID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767) 			efx_dword_t entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769) 			EFX_POPULATE_DWORD_2(entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) 				TUNNEL_ENCAP_UDP_PORT_ENTRY_UDP_PORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771) 					ntohs(nic_data->udp_tunnels[i].port),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772) 				TUNNEL_ENCAP_UDP_PORT_ENTRY_PROTOCOL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773) 					nic_data->udp_tunnels[i].type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774) 			*_MCDI_ARRAY_DWORD(inbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775) 				SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776) 				num_entries++) = entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780) 	BUILD_BUG_ON((MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_NUM_ENTRIES_OFST -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) 		      MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_FLAGS_OFST) * 8 !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782) 		     EFX_WORD_1_LBN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) 	BUILD_BUG_ON(MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_NUM_ENTRIES_LEN * 8 !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784) 		     EFX_WORD_1_WIDTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) 	EFX_POPULATE_DWORD_2(flags_and_num_entries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786) 			     MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_UNLOADING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787) 				!!unloading,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) 			     EFX_WORD_1, num_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) 	*_MCDI_DWORD(inbuf, SET_TUNNEL_ENCAP_UDP_PORTS_IN_FLAGS) =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790) 		flags_and_num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792) 	inlen = MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_LEN(num_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794) 	rc = efx_mcdi_rpc_quiet(efx, MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795) 				inbuf, inlen, outbuf, sizeof(outbuf), &outlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796) 	if (rc == -EIO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797) 		/* Most likely the MC rebooted due to another function also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798) 		 * setting its tunnel port list. Mark the tunnel port list as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799) 		 * dirty, so it will be pushed upon coming up from the reboot.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801) 		nic_data->udp_tunnels_dirty = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806) 		/* expected not available on unprivileged functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) 		if (rc != -EPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808) 			netif_warn(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) 				   "Unable to set UDP tunnel ports; rc=%d.\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) 	} else if (MCDI_DWORD(outbuf, SET_TUNNEL_ENCAP_UDP_PORTS_OUT_FLAGS) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811) 		   (1 << MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_OUT_RESETTING_LBN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) 		netif_info(efx, drv, efx->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813) 			   "Rebooting MC due to UDP tunnel port list change\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) 		will_reset = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815) 		if (unloading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816) 			/* Delay for the MC reset to complete. This will make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817) 			 * unloading other functions a bit smoother. This is a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818) 			 * race, but the other unload will work whichever way
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819) 			 * it goes, this just avoids an unnecessary error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820) 			 * message.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822) 			msleep(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824) 	if (!will_reset && !unloading) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825) 		/* The caller will have detached, relying on the MC reset to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826) 		 * trigger a re-attach.  Since there won't be an MC reset, we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827) 		 * have to do the attach ourselves.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) 		efx_device_attach_if_not_resetting(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) static int efx_ef10_udp_tnl_push_ports(struct efx_nic *efx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3840) 	mutex_lock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3841) 	if (nic_data->udp_tunnels_dirty) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3842) 		/* Make sure all TX are stopped while we modify the table, else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843) 		 * we might race against an efx_features_check().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845) 		efx_device_detach_sync(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846) 		rc = efx_ef10_set_udp_tnl_ports(efx, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848) 	mutex_unlock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852) static int efx_ef10_udp_tnl_set_port(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853) 				     unsigned int table, unsigned int entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) 				     struct udp_tunnel_info *ti)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) 	struct efx_nic *efx = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857) 	struct efx_ef10_nic_data *nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858) 	int efx_tunnel_type, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) 	if (ti->type == UDP_TUNNEL_TYPE_VXLAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) 		efx_tunnel_type = TUNNEL_ENCAP_UDP_PORT_ENTRY_VXLAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863) 		efx_tunnel_type = TUNNEL_ENCAP_UDP_PORT_ENTRY_GENEVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865) 	nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866) 	if (!(nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867) 	      (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870) 	mutex_lock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871) 	/* Make sure all TX are stopped while we add to the table, else we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872) 	 * might race against an efx_features_check().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874) 	efx_device_detach_sync(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875) 	nic_data->udp_tunnels[entry].type = efx_tunnel_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) 	nic_data->udp_tunnels[entry].port = ti->port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) 	rc = efx_ef10_set_udp_tnl_ports(efx, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) 	mutex_unlock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883) /* Called under the TX lock with the TX queue running, hence no-one can be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884)  * in the middle of updating the UDP tunnels table.  However, they could
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885)  * have tried and failed the MCDI, in which case they'll have set the dirty
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886)  * flag before dropping their locks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) static bool efx_ef10_udp_tnl_has_port(struct efx_nic *efx, __be16 port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) 	size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893) 	if (!(nic_data->datapath_caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894) 	      (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897) 	if (nic_data->udp_tunnels_dirty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) 		/* SW table may not match HW state, so just assume we can't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899) 		 * use any UDP tunnel offloads.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) 	for (i = 0; i < ARRAY_SIZE(nic_data->udp_tunnels); ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904) 		if (nic_data->udp_tunnels[i].type !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) 		    TUNNEL_ENCAP_UDP_PORT_ENTRY_INVALID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) 		    nic_data->udp_tunnels[i].port == port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907) 			return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912) static int efx_ef10_udp_tnl_unset_port(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) 				       unsigned int table, unsigned int entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) 				       struct udp_tunnel_info *ti)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916) 	struct efx_nic *efx = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917) 	struct efx_ef10_nic_data *nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920) 	nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922) 	mutex_lock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923) 	/* Make sure all TX are stopped while we remove from the table, else we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924) 	 * might race against an efx_features_check().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926) 	efx_device_detach_sync(efx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) 	nic_data->udp_tunnels[entry].type = TUNNEL_ENCAP_UDP_PORT_ENTRY_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) 	nic_data->udp_tunnels[entry].port = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929) 	rc = efx_ef10_set_udp_tnl_ports(efx, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) 	mutex_unlock(&nic_data->udp_tunnels_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935) static const struct udp_tunnel_nic_info efx_ef10_udp_tunnels = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) 	.set_port	= efx_ef10_udp_tnl_set_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937) 	.unset_port	= efx_ef10_udp_tnl_unset_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938) 	.flags          = UDP_TUNNEL_NIC_INFO_MAY_SLEEP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939) 	.tables         = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) 		{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941) 			.n_entries = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942) 			.tunnel_types = UDP_TUNNEL_TYPE_VXLAN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) 					UDP_TUNNEL_TYPE_GENEVE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948) /* EF10 may have multiple datapath firmware variants within a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949)  * single version.  Report which variants are running.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951) static size_t efx_ef10_print_additional_fwver(struct efx_nic *efx, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952) 					      size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954) 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) 	return scnprintf(buf, len, " rx%x tx%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957) 			 nic_data->rx_dpcpu_fw_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958) 			 nic_data->tx_dpcpu_fw_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961) static unsigned int ef10_check_caps(const struct efx_nic *efx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962) 				    u8 flag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963) 				    u32 offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) 	const struct efx_ef10_nic_data *nic_data = efx->nic_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) 	switch (offset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968) 	case(MC_CMD_GET_CAPABILITIES_V4_OUT_FLAGS1_OFST):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969) 		return nic_data->datapath_caps & BIT_ULL(flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) 	case(MC_CMD_GET_CAPABILITIES_V4_OUT_FLAGS2_OFST):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971) 		return nic_data->datapath_caps2 & BIT_ULL(flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) #define EF10_OFFLOAD_FEATURES		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978) 	(NETIF_F_IP_CSUM |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979) 	 NETIF_F_HW_VLAN_CTAG_FILTER |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980) 	 NETIF_F_IPV6_CSUM |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981) 	 NETIF_F_RXHASH |		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982) 	 NETIF_F_NTUPLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984) const struct efx_nic_type efx_hunt_a0_vf_nic_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985) 	.is_vf = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) 	.mem_bar = efx_ef10_vf_mem_bar,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987) 	.mem_map_size = efx_ef10_mem_map_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) 	.probe = efx_ef10_probe_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989) 	.remove = efx_ef10_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) 	.dimension_resources = efx_ef10_dimension_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991) 	.init = efx_ef10_init_nic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992) 	.fini = efx_ef10_fini_nic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) 	.map_reset_reason = efx_ef10_map_reset_reason,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) 	.map_reset_flags = efx_ef10_map_reset_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995) 	.reset = efx_ef10_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) 	.probe_port = efx_mcdi_port_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) 	.remove_port = efx_mcdi_port_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998) 	.fini_dmaq = efx_fini_dmaq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) 	.prepare_flr = efx_ef10_prepare_flr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) 	.finish_flr = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001) 	.describe_stats = efx_ef10_describe_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4002) 	.update_stats = efx_ef10_update_stats_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4003) 	.update_stats_atomic = efx_ef10_update_stats_atomic_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4004) 	.start_stats = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4005) 	.pull_stats = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4006) 	.stop_stats = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4007) 	.push_irq_moderation = efx_ef10_push_irq_moderation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4008) 	.reconfigure_mac = efx_ef10_mac_reconfigure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4009) 	.check_mac_fault = efx_mcdi_mac_check_fault,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4010) 	.reconfigure_port = efx_mcdi_port_reconfigure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4011) 	.get_wol = efx_ef10_get_wol_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4012) 	.set_wol = efx_ef10_set_wol_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4013) 	.resume_wol = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4014) 	.mcdi_request = efx_ef10_mcdi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4015) 	.mcdi_poll_response = efx_ef10_mcdi_poll_response,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4016) 	.mcdi_read_response = efx_ef10_mcdi_read_response,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4017) 	.mcdi_poll_reboot = efx_ef10_mcdi_poll_reboot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4018) 	.mcdi_reboot_detected = efx_ef10_mcdi_reboot_detected,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4019) 	.irq_enable_master = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4020) 	.irq_test_generate = efx_ef10_irq_test_generate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4021) 	.irq_disable_non_ev = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4022) 	.irq_handle_msi = efx_ef10_msi_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4023) 	.irq_handle_legacy = efx_ef10_legacy_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4024) 	.tx_probe = efx_ef10_tx_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4025) 	.tx_init = efx_ef10_tx_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4026) 	.tx_remove = efx_mcdi_tx_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4027) 	.tx_write = efx_ef10_tx_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4028) 	.tx_limit_len = efx_ef10_tx_limit_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4029) 	.tx_enqueue = __efx_enqueue_skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4030) 	.rx_push_rss_config = efx_mcdi_vf_rx_push_rss_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4031) 	.rx_pull_rss_config = efx_mcdi_rx_pull_rss_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4032) 	.rx_probe = efx_mcdi_rx_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4033) 	.rx_init = efx_mcdi_rx_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4034) 	.rx_remove = efx_mcdi_rx_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4035) 	.rx_write = efx_ef10_rx_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4036) 	.rx_defer_refill = efx_ef10_rx_defer_refill,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4037) 	.rx_packet = __efx_rx_packet,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4038) 	.ev_probe = efx_mcdi_ev_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4039) 	.ev_init = efx_ef10_ev_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4040) 	.ev_fini = efx_mcdi_ev_fini,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4041) 	.ev_remove = efx_mcdi_ev_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4042) 	.ev_process = efx_ef10_ev_process,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4043) 	.ev_read_ack = efx_ef10_ev_read_ack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4044) 	.ev_test_generate = efx_ef10_ev_test_generate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4045) 	.filter_table_probe = efx_ef10_filter_table_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4046) 	.filter_table_restore = efx_mcdi_filter_table_restore,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4047) 	.filter_table_remove = efx_mcdi_filter_table_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4048) 	.filter_update_rx_scatter = efx_mcdi_update_rx_scatter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4049) 	.filter_insert = efx_mcdi_filter_insert,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4050) 	.filter_remove_safe = efx_mcdi_filter_remove_safe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4051) 	.filter_get_safe = efx_mcdi_filter_get_safe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4052) 	.filter_clear_rx = efx_mcdi_filter_clear_rx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4053) 	.filter_count_rx_used = efx_mcdi_filter_count_rx_used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4054) 	.filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4055) 	.filter_get_rx_ids = efx_mcdi_filter_get_rx_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4056) #ifdef CONFIG_RFS_ACCEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4057) 	.filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4058) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4059) #ifdef CONFIG_SFC_MTD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4060) 	.mtd_probe = efx_port_dummy_op_int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4061) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4062) 	.ptp_write_host_time = efx_ef10_ptp_write_host_time_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4063) 	.ptp_set_ts_config = efx_ef10_ptp_set_ts_config_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4064) 	.vlan_rx_add_vid = efx_ef10_vlan_rx_add_vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4065) 	.vlan_rx_kill_vid = efx_ef10_vlan_rx_kill_vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4066) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4067) 	.vswitching_probe = efx_ef10_vswitching_probe_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4068) 	.vswitching_restore = efx_ef10_vswitching_restore_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4069) 	.vswitching_remove = efx_ef10_vswitching_remove_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4070) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4071) 	.get_mac_address = efx_ef10_get_mac_address_vf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4072) 	.set_mac_address = efx_ef10_set_mac_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4073) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4074) 	.get_phys_port_id = efx_ef10_get_phys_port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4075) 	.revision = EFX_REV_HUNT_A0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4076) 	.max_dma_mask = DMA_BIT_MASK(ESF_DZ_TX_KER_BUF_ADDR_WIDTH),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4077) 	.rx_prefix_size = ES_DZ_RX_PREFIX_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4078) 	.rx_hash_offset = ES_DZ_RX_PREFIX_HASH_OFST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4079) 	.rx_ts_offset = ES_DZ_RX_PREFIX_TSTAMP_OFST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4080) 	.can_rx_scatter = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4081) 	.always_rx_scatter = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4082) 	.min_interrupt_mode = EFX_INT_MODE_MSIX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4083) 	.timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4084) 	.offload_features = EF10_OFFLOAD_FEATURES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4085) 	.mcdi_max_ver = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4086) 	.max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4087) 	.hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4088) 			    1 << HWTSTAMP_FILTER_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4089) 	.rx_hash_key_size = 40,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4090) 	.check_caps = ef10_check_caps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4091) 	.print_additional_fwver = efx_ef10_print_additional_fwver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4092) 	.sensor_event = efx_mcdi_sensor_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4093) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4095) const struct efx_nic_type efx_hunt_a0_nic_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4096) 	.is_vf = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4097) 	.mem_bar = efx_ef10_pf_mem_bar,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4098) 	.mem_map_size = efx_ef10_mem_map_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4099) 	.probe = efx_ef10_probe_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4100) 	.remove = efx_ef10_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4101) 	.dimension_resources = efx_ef10_dimension_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4102) 	.init = efx_ef10_init_nic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4103) 	.fini = efx_ef10_fini_nic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4104) 	.map_reset_reason = efx_ef10_map_reset_reason,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4105) 	.map_reset_flags = efx_ef10_map_reset_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4106) 	.reset = efx_ef10_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4107) 	.probe_port = efx_mcdi_port_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4108) 	.remove_port = efx_mcdi_port_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4109) 	.fini_dmaq = efx_fini_dmaq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4110) 	.prepare_flr = efx_ef10_prepare_flr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4111) 	.finish_flr = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4112) 	.describe_stats = efx_ef10_describe_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4113) 	.update_stats = efx_ef10_update_stats_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4114) 	.start_stats = efx_mcdi_mac_start_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4115) 	.pull_stats = efx_mcdi_mac_pull_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4116) 	.stop_stats = efx_mcdi_mac_stop_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4117) 	.push_irq_moderation = efx_ef10_push_irq_moderation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4118) 	.reconfigure_mac = efx_ef10_mac_reconfigure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4119) 	.check_mac_fault = efx_mcdi_mac_check_fault,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4120) 	.reconfigure_port = efx_mcdi_port_reconfigure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4121) 	.get_wol = efx_ef10_get_wol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4122) 	.set_wol = efx_ef10_set_wol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4123) 	.resume_wol = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4124) 	.test_chip = efx_ef10_test_chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4125) 	.test_nvram = efx_mcdi_nvram_test_all,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4126) 	.mcdi_request = efx_ef10_mcdi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4127) 	.mcdi_poll_response = efx_ef10_mcdi_poll_response,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4128) 	.mcdi_read_response = efx_ef10_mcdi_read_response,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4129) 	.mcdi_poll_reboot = efx_ef10_mcdi_poll_reboot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4130) 	.mcdi_reboot_detected = efx_ef10_mcdi_reboot_detected,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4131) 	.irq_enable_master = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4132) 	.irq_test_generate = efx_ef10_irq_test_generate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4133) 	.irq_disable_non_ev = efx_port_dummy_op_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4134) 	.irq_handle_msi = efx_ef10_msi_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4135) 	.irq_handle_legacy = efx_ef10_legacy_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4136) 	.tx_probe = efx_ef10_tx_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4137) 	.tx_init = efx_ef10_tx_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4138) 	.tx_remove = efx_mcdi_tx_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4139) 	.tx_write = efx_ef10_tx_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4140) 	.tx_limit_len = efx_ef10_tx_limit_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4141) 	.tx_enqueue = __efx_enqueue_skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4142) 	.rx_push_rss_config = efx_mcdi_pf_rx_push_rss_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4143) 	.rx_pull_rss_config = efx_mcdi_rx_pull_rss_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4144) 	.rx_push_rss_context_config = efx_mcdi_rx_push_rss_context_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4145) 	.rx_pull_rss_context_config = efx_mcdi_rx_pull_rss_context_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4146) 	.rx_restore_rss_contexts = efx_mcdi_rx_restore_rss_contexts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4147) 	.rx_probe = efx_mcdi_rx_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4148) 	.rx_init = efx_mcdi_rx_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4149) 	.rx_remove = efx_mcdi_rx_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4150) 	.rx_write = efx_ef10_rx_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4151) 	.rx_defer_refill = efx_ef10_rx_defer_refill,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4152) 	.rx_packet = __efx_rx_packet,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4153) 	.ev_probe = efx_mcdi_ev_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4154) 	.ev_init = efx_ef10_ev_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4155) 	.ev_fini = efx_mcdi_ev_fini,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4156) 	.ev_remove = efx_mcdi_ev_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4157) 	.ev_process = efx_ef10_ev_process,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4158) 	.ev_read_ack = efx_ef10_ev_read_ack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4159) 	.ev_test_generate = efx_ef10_ev_test_generate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4160) 	.filter_table_probe = efx_ef10_filter_table_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4161) 	.filter_table_restore = efx_mcdi_filter_table_restore,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4162) 	.filter_table_remove = efx_mcdi_filter_table_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4163) 	.filter_update_rx_scatter = efx_mcdi_update_rx_scatter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4164) 	.filter_insert = efx_mcdi_filter_insert,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4165) 	.filter_remove_safe = efx_mcdi_filter_remove_safe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4166) 	.filter_get_safe = efx_mcdi_filter_get_safe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4167) 	.filter_clear_rx = efx_mcdi_filter_clear_rx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4168) 	.filter_count_rx_used = efx_mcdi_filter_count_rx_used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4169) 	.filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4170) 	.filter_get_rx_ids = efx_mcdi_filter_get_rx_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4171) #ifdef CONFIG_RFS_ACCEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4172) 	.filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4173) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4174) #ifdef CONFIG_SFC_MTD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4175) 	.mtd_probe = efx_ef10_mtd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4176) 	.mtd_rename = efx_mcdi_mtd_rename,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4177) 	.mtd_read = efx_mcdi_mtd_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4178) 	.mtd_erase = efx_mcdi_mtd_erase,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4179) 	.mtd_write = efx_mcdi_mtd_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4180) 	.mtd_sync = efx_mcdi_mtd_sync,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4181) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4182) 	.ptp_write_host_time = efx_ef10_ptp_write_host_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4183) 	.ptp_set_ts_sync_events = efx_ef10_ptp_set_ts_sync_events,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4184) 	.ptp_set_ts_config = efx_ef10_ptp_set_ts_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4185) 	.vlan_rx_add_vid = efx_ef10_vlan_rx_add_vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4186) 	.vlan_rx_kill_vid = efx_ef10_vlan_rx_kill_vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4187) 	.udp_tnl_push_ports = efx_ef10_udp_tnl_push_ports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4188) 	.udp_tnl_has_port = efx_ef10_udp_tnl_has_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4189) #ifdef CONFIG_SFC_SRIOV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4190) 	.sriov_configure = efx_ef10_sriov_configure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4191) 	.sriov_init = efx_ef10_sriov_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4192) 	.sriov_fini = efx_ef10_sriov_fini,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4193) 	.sriov_wanted = efx_ef10_sriov_wanted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4194) 	.sriov_reset = efx_ef10_sriov_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4195) 	.sriov_flr = efx_ef10_sriov_flr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4196) 	.sriov_set_vf_mac = efx_ef10_sriov_set_vf_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4197) 	.sriov_set_vf_vlan = efx_ef10_sriov_set_vf_vlan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4198) 	.sriov_set_vf_spoofchk = efx_ef10_sriov_set_vf_spoofchk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4199) 	.sriov_get_vf_config = efx_ef10_sriov_get_vf_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4200) 	.sriov_set_vf_link_state = efx_ef10_sriov_set_vf_link_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4201) 	.vswitching_probe = efx_ef10_vswitching_probe_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4202) 	.vswitching_restore = efx_ef10_vswitching_restore_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4203) 	.vswitching_remove = efx_ef10_vswitching_remove_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4204) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4205) 	.get_mac_address = efx_ef10_get_mac_address_pf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4206) 	.set_mac_address = efx_ef10_set_mac_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4207) 	.tso_versions = efx_ef10_tso_versions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4209) 	.get_phys_port_id = efx_ef10_get_phys_port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4210) 	.revision = EFX_REV_HUNT_A0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4211) 	.max_dma_mask = DMA_BIT_MASK(ESF_DZ_TX_KER_BUF_ADDR_WIDTH),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4212) 	.rx_prefix_size = ES_DZ_RX_PREFIX_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4213) 	.rx_hash_offset = ES_DZ_RX_PREFIX_HASH_OFST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4214) 	.rx_ts_offset = ES_DZ_RX_PREFIX_TSTAMP_OFST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4215) 	.can_rx_scatter = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4216) 	.always_rx_scatter = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4217) 	.option_descriptors = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4218) 	.min_interrupt_mode = EFX_INT_MODE_LEGACY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4219) 	.timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4220) 	.offload_features = EF10_OFFLOAD_FEATURES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4221) 	.mcdi_max_ver = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4222) 	.max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4223) 	.hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4224) 			    1 << HWTSTAMP_FILTER_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4225) 	.rx_hash_key_size = 40,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4226) 	.check_caps = ef10_check_caps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4227) 	.print_additional_fwver = efx_ef10_print_additional_fwver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4228) 	.sensor_event = efx_mcdi_sensor_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4229) };