Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright(c) 2017 - 2020 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef _OPA_VNIC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define _OPA_VNIC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * This file contains Intel Omni-Path (OPA) Virtual Network Interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * Controller (VNIC) specific declarations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <rdma/ib_verbs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* 16 header bytes + 2 reserved bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define OPA_VNIC_L2_HDR_LEN   (16 + 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define OPA_VNIC_L4_HDR_LEN   2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define OPA_VNIC_HDR_LEN      (OPA_VNIC_L2_HDR_LEN + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 			       OPA_VNIC_L4_HDR_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define OPA_VNIC_L4_ETHR  0x78
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define OPA_VNIC_ICRC_LEN   4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define OPA_VNIC_TAIL_LEN   1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define OPA_VNIC_ICRC_TAIL_LEN  (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define OPA_VNIC_SKB_MDATA_LEN         4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define OPA_VNIC_SKB_MDATA_ENCAP_ERR   0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* opa vnic rdma netdev's private data structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct opa_vnic_rdma_netdev {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct rdma_netdev rn;  /* keep this first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	/* followed by device private data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	char *dev_priv[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static inline void *opa_vnic_priv(const struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	struct rdma_netdev *rn = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	return rn->clnt_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static inline void *opa_vnic_dev_priv(const struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	return oparn->dev_priv;
^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) /* opa_vnic skb meta data structrue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct opa_vnic_skb_mdata {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	u8 vl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	u8 entropy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	u8 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	u8 rsvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* OPA VNIC group statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct opa_vnic_grp_stats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	u64 unicast;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	u64 mcastbcast;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	u64 untagged;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	u64 vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	u64 s_64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	u64 s_65_127;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	u64 s_128_255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	u64 s_256_511;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	u64 s_512_1023;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	u64 s_1024_1518;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	u64 s_1519_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct opa_vnic_stats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	/* standard netdev statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	struct rtnl_link_stats64 netstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 	/* OPA VNIC statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 	struct opa_vnic_grp_stats tx_grp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 	struct opa_vnic_grp_stats rx_grp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 	u64 tx_dlid_zero;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 	u64 tx_drop_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 	u64 rx_drop_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 	u64 rx_runt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 	u64 rx_oversize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline bool rdma_cap_opa_vnic(struct ib_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) 	return !!(device->attrs.device_cap_flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 		  IB_DEVICE_RDMA_NETDEV_OPA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #endif /* _OPA_VNIC_H */