IB/opa-vnic: Virtual Network Interface Controller (VNIC) interface
Define OPA VNIC interface between hardware independent VNIC functionality and the hardware dependent VNIC functionality. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Vishwanathapura, Niranjana
Doug Ledford
parent
2fc7757264
commit
62e4594940
|
|
@ -225,6 +225,7 @@ enum ib_device_cap_flags {
|
|||
IB_DEVICE_VIRTUAL_FUNCTION = (1ULL << 33),
|
||||
/* Deprecated. Please use IB_RAW_PACKET_CAP_SCATTER_FCS. */
|
||||
IB_DEVICE_RAW_SCATTER_FCS = (1ULL << 34),
|
||||
IB_DEVICE_RDMA_NETDEV_OPA_VNIC = (1ULL << 35),
|
||||
};
|
||||
|
||||
enum ib_signature_prot_cap {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,141 @@
|
|||
#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>
|
||||
|
||||
/* VNIC uses 16B header format */
|
||||
#define OPA_VNIC_L2_TYPE 0x2
|
||||
|
||||
/* 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 */
|
||||
Loading…
Reference in New Issue