mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 15:54:15 +08:00
72c07e2b67
We introduce a struct hfi1_16b_header to support 16B headers. 16B bypass packets are received by the driver and processed similar to 9B packets. Add basic support to handle 16B packets. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Don Hiatt <don.hiatt@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
139 lines
4.0 KiB
C
139 lines
4.0 KiB
C
#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 */
|