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97 lines
2.0 KiB
97 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
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/* |
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* Copyright(c) 2017 - 2020 Intel Corporation. |
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*/ |
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#ifndef _OPA_VNIC_H |
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#define _OPA_VNIC_H |
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/* |
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* This file contains Intel Omni-Path (OPA) Virtual Network Interface |
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* Controller (VNIC) specific declarations. |
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*/ |
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#include <rdma/ib_verbs.h> |
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/* 16 header bytes + 2 reserved bytes */ |
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#define OPA_VNIC_L2_HDR_LEN (16 + 2) |
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#define OPA_VNIC_L4_HDR_LEN 2 |
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#define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \ |
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OPA_VNIC_L4_HDR_LEN) |
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#define OPA_VNIC_L4_ETHR 0x78 |
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#define OPA_VNIC_ICRC_LEN 4 |
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#define OPA_VNIC_TAIL_LEN 1 |
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#define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN) |
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#define OPA_VNIC_SKB_MDATA_LEN 4 |
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#define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1 |
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/* opa vnic rdma netdev's private data structure */ |
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struct opa_vnic_rdma_netdev { |
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struct rdma_netdev rn; /* keep this first */ |
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/* followed by device private data */ |
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char *dev_priv[]; |
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}; |
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static inline void *opa_vnic_priv(const struct net_device *dev) |
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{ |
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struct rdma_netdev *rn = netdev_priv(dev); |
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return rn->clnt_priv; |
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} |
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static inline void *opa_vnic_dev_priv(const struct net_device *dev) |
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{ |
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struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev); |
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return oparn->dev_priv; |
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} |
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/* opa_vnic skb meta data structrue */ |
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struct opa_vnic_skb_mdata { |
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u8 vl; |
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u8 entropy; |
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u8 flags; |
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u8 rsvd; |
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} __packed; |
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/* OPA VNIC group statistics */ |
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struct opa_vnic_grp_stats { |
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u64 unicast; |
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u64 mcastbcast; |
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u64 untagged; |
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u64 vlan; |
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u64 s_64; |
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u64 s_65_127; |
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u64 s_128_255; |
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u64 s_256_511; |
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u64 s_512_1023; |
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u64 s_1024_1518; |
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u64 s_1519_max; |
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}; |
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struct opa_vnic_stats { |
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/* standard netdev statistics */ |
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struct rtnl_link_stats64 netstats; |
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/* OPA VNIC statistics */ |
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struct opa_vnic_grp_stats tx_grp; |
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struct opa_vnic_grp_stats rx_grp; |
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u64 tx_dlid_zero; |
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u64 tx_drop_state; |
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u64 rx_drop_state; |
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u64 rx_runt; |
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u64 rx_oversize; |
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}; |
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static inline bool rdma_cap_opa_vnic(struct ib_device *device) |
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{ |
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return !!(device->attrs.device_cap_flags & |
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IB_DEVICE_RDMA_NETDEV_OPA); |
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} |
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#endif /* _OPA_VNIC_H */
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