^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) #ifndef _HFI1_VNIC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #define _HFI1_VNIC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright(c) 2017 - 2020 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * This file is provided under a dual BSD/GPLv2 license. When using or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * redistributing this file, you may do so under either license.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * GPL LICENSE SUMMARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * it under the terms of version 2 of the GNU General Public License as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * This program is distributed in the hope that it will be useful, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * BSD LICENSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * - Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * - Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * notice, this list of conditions and the following disclaimer in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * the documentation and/or other materials provided with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * - Neither the name of Intel Corporation nor the names of its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * contributors may be used to endorse or promote products derived
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include <rdma/opa_vnic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #include "hfi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include "sdma.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define HFI1_VNIC_MAX_TXQ 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define HFI1_VNIC_MAX_PAD 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* L4 header definitions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define HFI1_VNIC_L4_HDR_OFFSET OPA_VNIC_L2_HDR_LEN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define HFI1_VNIC_GET_L4_HDR(data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) (*((u16 *)((u8 *)(data) + HFI1_VNIC_L4_HDR_OFFSET)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define HFI1_VNIC_GET_VESWID(data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) (HFI1_VNIC_GET_L4_HDR(data) & 0xFFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) /* Service class */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define HFI1_VNIC_SC_OFFSET_LOW 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define HFI1_VNIC_SC_OFFSET_HI 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define HFI1_VNIC_SC_SHIFT 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define HFI1_VNIC_MAX_QUEUE 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define HFI1_NUM_VNIC_CTXT 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * struct hfi1_vnic_sdma - VNIC per Tx ring SDMA information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * @dd - device data pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * @sde - sdma engine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * @vinfo - vnic info pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * @wait - iowait structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * @stx - sdma tx request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * @state - vnic Tx ring SDMA state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * @q_idx - vnic Tx queue index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct hfi1_vnic_sdma {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct sdma_engine *sde;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct hfi1_vnic_vport_info *vinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct iowait wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct sdma_txreq stx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) unsigned int state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 q_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) bool pkts_sent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * struct hfi1_vnic_rx_queue - HFI1 VNIC receive queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * @idx: queue index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * @vinfo: pointer to vport information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * @netdev: network device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * @napi: netdev napi structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * @skbq: queue of received socket buffers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct hfi1_vnic_rx_queue {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) u8 idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct hfi1_vnic_vport_info *vinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct net_device *netdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct napi_struct napi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * struct hfi1_vnic_vport_info - HFI1 VNIC virtual port information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * @dd: device data pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * @netdev: net device pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * @flags: state flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * @lock: vport lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * @num_tx_q: number of transmit queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * @num_rx_q: number of receive queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * @vesw_id: virtual switch id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * @rxq: Array of receive queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * @stats: per queue stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * @sdma: VNIC SDMA structure per TXQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct hfi1_vnic_vport_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct net_device *netdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* Lock used around state updates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) u8 num_tx_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) u8 num_rx_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) u16 vesw_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct hfi1_vnic_rx_queue rxq[HFI1_NUM_VNIC_CTXT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct opa_vnic_stats stats[HFI1_VNIC_MAX_QUEUE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct hfi1_vnic_sdma sdma[HFI1_VNIC_MAX_TXQ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #define v_dbg(format, arg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) netdev_dbg(vinfo->netdev, format, ## arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #define v_err(format, arg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) netdev_err(vinfo->netdev, format, ## arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define v_info(format, arg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) netdev_info(vinfo->netdev, format, ## arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* vnic hfi1 internal functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) void hfi1_vnic_setup(struct hfi1_devdata *dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) int hfi1_vnic_txreq_init(struct hfi1_devdata *dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) void hfi1_vnic_txreq_deinit(struct hfi1_devdata *dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) void hfi1_vnic_bypass_rcv(struct hfi1_packet *packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) void hfi1_vnic_sdma_init(struct hfi1_vnic_vport_info *vinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) bool hfi1_vnic_sdma_write_avail(struct hfi1_vnic_vport_info *vinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) u8 q_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /* vnic rdma netdev operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct net_device *hfi1_vnic_alloc_rn(struct ib_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) u8 port_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) enum rdma_netdev_t type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) unsigned char name_assign_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) void (*setup)(struct net_device *));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int hfi1_vnic_send_dma(struct hfi1_devdata *dd, u8 q_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) struct hfi1_vnic_vport_info *vinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct sk_buff *skb, u64 pbc, u8 plen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #endif /* _HFI1_VNIC_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags