1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright(c) 2017 - 2020 Intel Corporation. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _OPA_VNIC_H 7*4882a593Smuzhiyun #define _OPA_VNIC_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * This file contains Intel Omni-Path (OPA) Virtual Network Interface 11*4882a593Smuzhiyun * Controller (VNIC) specific declarations. 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <rdma/ib_verbs.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* 16 header bytes + 2 reserved bytes */ 17*4882a593Smuzhiyun #define OPA_VNIC_L2_HDR_LEN (16 + 2) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define OPA_VNIC_L4_HDR_LEN 2 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \ 22*4882a593Smuzhiyun OPA_VNIC_L4_HDR_LEN) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define OPA_VNIC_L4_ETHR 0x78 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #define OPA_VNIC_ICRC_LEN 4 27*4882a593Smuzhiyun #define OPA_VNIC_TAIL_LEN 1 28*4882a593Smuzhiyun #define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define OPA_VNIC_SKB_MDATA_LEN 4 31*4882a593Smuzhiyun #define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* opa vnic rdma netdev's private data structure */ 34*4882a593Smuzhiyun struct opa_vnic_rdma_netdev { 35*4882a593Smuzhiyun struct rdma_netdev rn; /* keep this first */ 36*4882a593Smuzhiyun /* followed by device private data */ 37*4882a593Smuzhiyun char *dev_priv[]; 38*4882a593Smuzhiyun }; 39*4882a593Smuzhiyun opa_vnic_priv(const struct net_device * dev)40*4882a593Smuzhiyunstatic inline void *opa_vnic_priv(const struct net_device *dev) 41*4882a593Smuzhiyun { 42*4882a593Smuzhiyun struct rdma_netdev *rn = netdev_priv(dev); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun return rn->clnt_priv; 45*4882a593Smuzhiyun } 46*4882a593Smuzhiyun opa_vnic_dev_priv(const struct net_device * dev)47*4882a593Smuzhiyunstatic inline void *opa_vnic_dev_priv(const struct net_device *dev) 48*4882a593Smuzhiyun { 49*4882a593Smuzhiyun struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun return oparn->dev_priv; 52*4882a593Smuzhiyun } 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun /* opa_vnic skb meta data structrue */ 55*4882a593Smuzhiyun struct opa_vnic_skb_mdata { 56*4882a593Smuzhiyun u8 vl; 57*4882a593Smuzhiyun u8 entropy; 58*4882a593Smuzhiyun u8 flags; 59*4882a593Smuzhiyun u8 rsvd; 60*4882a593Smuzhiyun } __packed; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* OPA VNIC group statistics */ 63*4882a593Smuzhiyun struct opa_vnic_grp_stats { 64*4882a593Smuzhiyun u64 unicast; 65*4882a593Smuzhiyun u64 mcastbcast; 66*4882a593Smuzhiyun u64 untagged; 67*4882a593Smuzhiyun u64 vlan; 68*4882a593Smuzhiyun u64 s_64; 69*4882a593Smuzhiyun u64 s_65_127; 70*4882a593Smuzhiyun u64 s_128_255; 71*4882a593Smuzhiyun u64 s_256_511; 72*4882a593Smuzhiyun u64 s_512_1023; 73*4882a593Smuzhiyun u64 s_1024_1518; 74*4882a593Smuzhiyun u64 s_1519_max; 75*4882a593Smuzhiyun }; 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun struct opa_vnic_stats { 78*4882a593Smuzhiyun /* standard netdev statistics */ 79*4882a593Smuzhiyun struct rtnl_link_stats64 netstats; 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun /* OPA VNIC statistics */ 82*4882a593Smuzhiyun struct opa_vnic_grp_stats tx_grp; 83*4882a593Smuzhiyun struct opa_vnic_grp_stats rx_grp; 84*4882a593Smuzhiyun u64 tx_dlid_zero; 85*4882a593Smuzhiyun u64 tx_drop_state; 86*4882a593Smuzhiyun u64 rx_drop_state; 87*4882a593Smuzhiyun u64 rx_runt; 88*4882a593Smuzhiyun u64 rx_oversize; 89*4882a593Smuzhiyun }; 90*4882a593Smuzhiyun rdma_cap_opa_vnic(struct ib_device * device)91*4882a593Smuzhiyunstatic inline bool rdma_cap_opa_vnic(struct ib_device *device) 92*4882a593Smuzhiyun { 93*4882a593Smuzhiyun return !!(device->attrs.device_cap_flags & 94*4882a593Smuzhiyun IB_DEVICE_RDMA_NETDEV_OPA); 95*4882a593Smuzhiyun } 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun #endif /* _OPA_VNIC_H */ 98