97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
|
||
|
|
/*
|
||
|
|
* Copyright(c) 2017 - 2020 Intel Corporation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _OPA_VNIC_H
|
||
|
|
#define _OPA_VNIC_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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[];
|
||
|
|
};
|
||
|
|
|
||
|
|
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 structure */
|
||
|
|
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.kernel_cap_flags & IBK_RDMA_NETDEV_OPA);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* _OPA_VNIC_H */
|