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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright(c) 2017 - 2020 Intel Corporation.4 */5 6#ifndef _OPA_VNIC_H7#define _OPA_VNIC_H8 9/*10 * This file contains Intel Omni-Path (OPA) Virtual Network Interface11 * Controller (VNIC) specific declarations.12 */13 14#include <rdma/ib_verbs.h>15 16/* 16 header bytes + 2 reserved bytes */17#define OPA_VNIC_L2_HDR_LEN (16 + 2)18 19#define OPA_VNIC_L4_HDR_LEN 220 21#define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \22 OPA_VNIC_L4_HDR_LEN)23 24#define OPA_VNIC_L4_ETHR 0x7825 26#define OPA_VNIC_ICRC_LEN 427#define OPA_VNIC_TAIL_LEN 128#define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN)29 30#define OPA_VNIC_SKB_MDATA_LEN 431#define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x132 33/* opa vnic rdma netdev's private data structure */34struct opa_vnic_rdma_netdev {35 struct rdma_netdev rn; /* keep this first */36 /* followed by device private data */37 char *dev_priv[];38};39 40static inline void *opa_vnic_priv(const struct net_device *dev)41{42 struct rdma_netdev *rn = netdev_priv(dev);43 44 return rn->clnt_priv;45}46 47static inline void *opa_vnic_dev_priv(const struct net_device *dev)48{49 struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev);50 51 return oparn->dev_priv;52}53 54/* opa_vnic skb meta data structure */55struct opa_vnic_skb_mdata {56 u8 vl;57 u8 entropy;58 u8 flags;59 u8 rsvd;60} __packed;61 62/* OPA VNIC group statistics */63struct opa_vnic_grp_stats {64 u64 unicast;65 u64 mcastbcast;66 u64 untagged;67 u64 vlan;68 u64 s_64;69 u64 s_65_127;70 u64 s_128_255;71 u64 s_256_511;72 u64 s_512_1023;73 u64 s_1024_1518;74 u64 s_1519_max;75};76 77struct opa_vnic_stats {78 /* standard netdev statistics */79 struct rtnl_link_stats64 netstats;80 81 /* OPA VNIC statistics */82 struct opa_vnic_grp_stats tx_grp;83 struct opa_vnic_grp_stats rx_grp;84 u64 tx_dlid_zero;85 u64 tx_drop_state;86 u64 rx_drop_state;87 u64 rx_runt;88 u64 rx_oversize;89};90 91static inline bool rdma_cap_opa_vnic(struct ib_device *device)92{93 return !!(device->attrs.kernel_cap_flags & IBK_RDMA_NETDEV_OPA);94}95 96#endif /* _OPA_VNIC_H */97