1 /*
2 * Copyright (c) 2010 Intel Corporation. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33 #if !defined(_RDMA_IB_H)
34 #define _RDMA_IB_H
35
36 #include <infiniband/types.h>
37 #include <infiniband/endian.h>
38 #include <string.h>
39
40 #ifndef AF_IB
41 #define AF_IB 41
42 #endif
43 #ifndef PF_IB
44 #define PF_IB AF_IB
45 #endif
46
47 struct ib_addr {
48 union {
49 __u8 uib_addr8[16];
50 __be16 uib_addr16[8];
51 __be32 uib_addr32[4];
52 __be64 uib_addr64[2];
53 } ib_u;
54 #define sib_addr8 ib_u.uib_addr8
55 #define sib_addr16 ib_u.uib_addr16
56 #define sib_addr32 ib_u.uib_addr32
57 #define sib_addr64 ib_u.uib_addr64
58 #define sib_raw ib_u.uib_addr8
59 #define sib_subnet_prefix ib_u.uib_addr64[0]
60 #define sib_interface_id ib_u.uib_addr64[1]
61 };
62
ib_addr_any(const struct ib_addr * a)63 static inline int ib_addr_any(const struct ib_addr *a)
64 {
65 return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0);
66 }
67
ib_addr_loopback(const struct ib_addr * a)68 static inline int ib_addr_loopback(const struct ib_addr *a)
69 {
70 return ((a->sib_addr32[0] | a->sib_addr32[1] |
71 a->sib_addr32[2] | (a->sib_addr32[3] ^ htobe32(1))) == 0);
72 }
73
ib_addr_set(struct ib_addr * addr,__be32 w1,__be32 w2,__be32 w3,__be32 w4)74 static inline void ib_addr_set(struct ib_addr *addr,
75 __be32 w1, __be32 w2, __be32 w3, __be32 w4)
76 {
77 addr->sib_addr32[0] = w1;
78 addr->sib_addr32[1] = w2;
79 addr->sib_addr32[2] = w3;
80 addr->sib_addr32[3] = w4;
81 }
82
ib_addr_cmp(const struct ib_addr * a1,const struct ib_addr * a2)83 static inline int ib_addr_cmp(const struct ib_addr *a1, const struct ib_addr *a2)
84 {
85 return memcmp(a1, a2, sizeof(struct ib_addr));
86 }
87
88 struct sockaddr_ib {
89 unsigned short int sib_family; /* AF_IB */
90 __be16 sib_pkey;
91 __be32 sib_flowinfo;
92 struct ib_addr sib_addr;
93 __be64 sib_sid;
94 __be64 sib_sid_mask;
95 __u64 sib_scope_id;
96 };
97
98 #endif /* _RDMA_IB_H */
99