Edit File: opa_vnic.h
#ifndef _OPA_VNIC_H #define _OPA_VNIC_H /* * Copyright(c) 2017 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * BSD LICENSE * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /* * This file contains Intel Omni-Path (OPA) Virtual Network Interface * Controller (VNIC) specific declarations. */ #include <rdma/ib_verbs.h> /* 16 header bytes + 2 reserved bytes */ #define OPA_VNIC_L2_HDR_LEN (16 + 2) #define OPA_VNIC_L4_HDR_LEN 2 #define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \ OPA_VNIC_L4_HDR_LEN) #define OPA_VNIC_L4_ETHR 0x78 #define OPA_VNIC_ICRC_LEN 4 #define OPA_VNIC_TAIL_LEN 1 #define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN) #define OPA_VNIC_SKB_MDATA_LEN 4 #define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1 /* opa vnic rdma netdev's private data structure */ struct opa_vnic_rdma_netdev { struct rdma_netdev rn; /* keep this first */ /* followed by device private data */ char *dev_priv[0]; }; static inline void *opa_vnic_priv(const struct net_device *dev) { struct rdma_netdev *rn = netdev_priv(dev); return rn->clnt_priv; } static inline void *opa_vnic_dev_priv(const struct net_device *dev) { struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev); return oparn->dev_priv; } /* opa_vnic skb meta data structrue */ struct opa_vnic_skb_mdata { u8 vl; u8 entropy; u8 flags; u8 rsvd; } __packed; /* OPA VNIC group statistics */ struct opa_vnic_grp_stats { u64 unicast; u64 mcastbcast; u64 untagged; u64 vlan; u64 s_64; u64 s_65_127; u64 s_128_255; u64 s_256_511; u64 s_512_1023; u64 s_1024_1518; u64 s_1519_max; }; struct opa_vnic_stats { /* standard netdev statistics */ struct rtnl_link_stats64 netstats; /* OPA VNIC statistics */ struct opa_vnic_grp_stats tx_grp; struct opa_vnic_grp_stats rx_grp; u64 tx_dlid_zero; u64 tx_drop_state; u64 rx_drop_state; u64 rx_runt; u64 rx_oversize; }; static inline bool rdma_cap_opa_vnic(struct ib_device *device) { return !!(device->attrs.device_cap_flags & IB_DEVICE_RDMA_NETDEV_OPA_VNIC); } #endif /* _OPA_VNIC_H */