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6bf9d8f6 | 1 | /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
62e45949 | 2 | /* |
7f90a5a0 | 3 | * Copyright(c) 2017 - 2020 Intel Corporation. |
62e45949 VN |
4 | */ |
5 | ||
6bf9d8f6 LR |
6 | #ifndef _OPA_VNIC_H |
7 | #define _OPA_VNIC_H | |
8 | ||
62e45949 VN |
9 | /* |
10 | * This file contains Intel Omni-Path (OPA) Virtual Network Interface | |
11 | * Controller (VNIC) specific declarations. | |
12 | */ | |
13 | ||
14 | #include <rdma/ib_verbs.h> | |
15 | ||
62e45949 VN |
16 | /* 16 header bytes + 2 reserved bytes */ |
17 | #define OPA_VNIC_L2_HDR_LEN (16 + 2) | |
18 | ||
19 | #define OPA_VNIC_L4_HDR_LEN 2 | |
20 | ||
21 | #define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \ | |
22 | OPA_VNIC_L4_HDR_LEN) | |
23 | ||
24 | #define OPA_VNIC_L4_ETHR 0x78 | |
25 | ||
26 | #define OPA_VNIC_ICRC_LEN 4 | |
27 | #define OPA_VNIC_TAIL_LEN 1 | |
28 | #define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN) | |
29 | ||
30 | #define OPA_VNIC_SKB_MDATA_LEN 4 | |
31 | #define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1 | |
32 | ||
33 | /* opa vnic rdma netdev's private data structure */ | |
34 | struct opa_vnic_rdma_netdev { | |
35 | struct rdma_netdev rn; /* keep this first */ | |
36 | /* followed by device private data */ | |
5b361328 | 37 | char *dev_priv[]; |
62e45949 VN |
38 | }; |
39 | ||
40 | static inline void *opa_vnic_priv(const struct net_device *dev) | |
41 | { | |
42 | struct rdma_netdev *rn = netdev_priv(dev); | |
43 | ||
44 | return rn->clnt_priv; | |
45 | } | |
46 | ||
47 | static inline void *opa_vnic_dev_priv(const struct net_device *dev) | |
48 | { | |
49 | struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev); | |
50 | ||
51 | return oparn->dev_priv; | |
52 | } | |
53 | ||
54 | /* opa_vnic skb meta data structrue */ | |
55 | struct opa_vnic_skb_mdata { | |
56 | u8 vl; | |
57 | u8 entropy; | |
58 | u8 flags; | |
59 | u8 rsvd; | |
60 | } __packed; | |
61 | ||
62 | /* OPA VNIC group statistics */ | |
63 | struct opa_vnic_grp_stats { | |
64 | u64 unicast; | |
65 | u64 mcastbcast; | |
66 | u64 untagged; | |
67 | u64 vlan; | |
68 | u64 s_64; | |
69 | u64 s_65_127; | |
70 | u64 s_128_255; | |
71 | u64 s_256_511; | |
72 | u64 s_512_1023; | |
73 | u64 s_1024_1518; | |
74 | u64 s_1519_max; | |
75 | }; | |
76 | ||
77 | struct opa_vnic_stats { | |
78 | /* standard netdev statistics */ | |
79 | struct rtnl_link_stats64 netstats; | |
80 | ||
81 | /* OPA VNIC statistics */ | |
82 | struct opa_vnic_grp_stats tx_grp; | |
83 | struct opa_vnic_grp_stats rx_grp; | |
84 | u64 tx_dlid_zero; | |
85 | u64 tx_drop_state; | |
86 | u64 rx_drop_state; | |
87 | u64 rx_runt; | |
88 | u64 rx_oversize; | |
89 | }; | |
90 | ||
91 | static inline bool rdma_cap_opa_vnic(struct ib_device *device) | |
92 | { | |
93 | return !!(device->attrs.device_cap_flags & | |
7f90a5a0 | 94 | IB_DEVICE_RDMA_NETDEV_OPA); |
62e45949 VN |
95 | } |
96 | ||
97 | #endif /* _OPA_VNIC_H */ |