1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-C 1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* 2 /*
3 * Copyright(c) 2017 - 2020 Intel Corporation. 3 * Copyright(c) 2017 - 2020 Intel Corporation.
4 */ 4 */
5 5
6 #ifndef _OPA_VNIC_H 6 #ifndef _OPA_VNIC_H
7 #define _OPA_VNIC_H 7 #define _OPA_VNIC_H
8 8
9 /* 9 /*
10 * This file contains Intel Omni-Path (OPA) Vi 10 * This file contains Intel Omni-Path (OPA) Virtual Network Interface
11 * Controller (VNIC) specific declarations. 11 * Controller (VNIC) specific declarations.
12 */ 12 */
13 13
14 #include <rdma/ib_verbs.h> 14 #include <rdma/ib_verbs.h>
15 15
16 /* 16 header bytes + 2 reserved bytes */ 16 /* 16 header bytes + 2 reserved bytes */
17 #define OPA_VNIC_L2_HDR_LEN (16 + 2) 17 #define OPA_VNIC_L2_HDR_LEN (16 + 2)
18 18
19 #define OPA_VNIC_L4_HDR_LEN 2 19 #define OPA_VNIC_L4_HDR_LEN 2
20 20
21 #define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR 21 #define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \
22 OPA_VNIC_L4_HDR 22 OPA_VNIC_L4_HDR_LEN)
23 23
24 #define OPA_VNIC_L4_ETHR 0x78 24 #define OPA_VNIC_L4_ETHR 0x78
25 25
26 #define OPA_VNIC_ICRC_LEN 4 26 #define OPA_VNIC_ICRC_LEN 4
27 #define OPA_VNIC_TAIL_LEN 1 27 #define OPA_VNIC_TAIL_LEN 1
28 #define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC 28 #define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN)
29 29
30 #define OPA_VNIC_SKB_MDATA_LEN 4 30 #define OPA_VNIC_SKB_MDATA_LEN 4
31 #define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1 31 #define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1
32 32
33 /* opa vnic rdma netdev's private data structu 33 /* opa vnic rdma netdev's private data structure */
34 struct opa_vnic_rdma_netdev { 34 struct opa_vnic_rdma_netdev {
35 struct rdma_netdev rn; /* keep this f 35 struct rdma_netdev rn; /* keep this first */
36 /* followed by device private data */ 36 /* followed by device private data */
37 char *dev_priv[]; 37 char *dev_priv[];
38 }; 38 };
39 39
40 static inline void *opa_vnic_priv(const struct 40 static inline void *opa_vnic_priv(const struct net_device *dev)
41 { 41 {
42 struct rdma_netdev *rn = netdev_priv(d 42 struct rdma_netdev *rn = netdev_priv(dev);
43 43
44 return rn->clnt_priv; 44 return rn->clnt_priv;
45 } 45 }
46 46
47 static inline void *opa_vnic_dev_priv(const st 47 static inline void *opa_vnic_dev_priv(const struct net_device *dev)
48 { 48 {
49 struct opa_vnic_rdma_netdev *oparn = n 49 struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev);
50 50
51 return oparn->dev_priv; 51 return oparn->dev_priv;
52 } 52 }
53 53
54 /* opa_vnic skb meta data structure */ 54 /* opa_vnic skb meta data structure */
55 struct opa_vnic_skb_mdata { 55 struct opa_vnic_skb_mdata {
56 u8 vl; 56 u8 vl;
57 u8 entropy; 57 u8 entropy;
58 u8 flags; 58 u8 flags;
59 u8 rsvd; 59 u8 rsvd;
60 } __packed; 60 } __packed;
61 61
62 /* OPA VNIC group statistics */ 62 /* OPA VNIC group statistics */
63 struct opa_vnic_grp_stats { 63 struct opa_vnic_grp_stats {
64 u64 unicast; 64 u64 unicast;
65 u64 mcastbcast; 65 u64 mcastbcast;
66 u64 untagged; 66 u64 untagged;
67 u64 vlan; 67 u64 vlan;
68 u64 s_64; 68 u64 s_64;
69 u64 s_65_127; 69 u64 s_65_127;
70 u64 s_128_255; 70 u64 s_128_255;
71 u64 s_256_511; 71 u64 s_256_511;
72 u64 s_512_1023; 72 u64 s_512_1023;
73 u64 s_1024_1518; 73 u64 s_1024_1518;
74 u64 s_1519_max; 74 u64 s_1519_max;
75 }; 75 };
76 76
77 struct opa_vnic_stats { 77 struct opa_vnic_stats {
78 /* standard netdev statistics */ 78 /* standard netdev statistics */
79 struct rtnl_link_stats64 netstats; 79 struct rtnl_link_stats64 netstats;
80 80
81 /* OPA VNIC statistics */ 81 /* OPA VNIC statistics */
82 struct opa_vnic_grp_stats tx_grp; 82 struct opa_vnic_grp_stats tx_grp;
83 struct opa_vnic_grp_stats rx_grp; 83 struct opa_vnic_grp_stats rx_grp;
84 u64 tx_dlid_zero; 84 u64 tx_dlid_zero;
85 u64 tx_drop_state; 85 u64 tx_drop_state;
86 u64 rx_drop_state; 86 u64 rx_drop_state;
87 u64 rx_runt; 87 u64 rx_runt;
88 u64 rx_oversize; 88 u64 rx_oversize;
89 }; 89 };
90 90
91 static inline bool rdma_cap_opa_vnic(struct ib 91 static inline bool rdma_cap_opa_vnic(struct ib_device *device)
92 { 92 {
93 return !!(device->attrs.kernel_cap_fla 93 return !!(device->attrs.kernel_cap_flags & IBK_RDMA_NETDEV_OPA);
94 } 94 }
95 95
96 #endif /* _OPA_VNIC_H */ 96 #endif /* _OPA_VNIC_H */
97 97
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.