xref: /freebsd/sys/ofed/include/rdma/rdma_sdp.h (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2019 Isilon Systems, LLC.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _SYS_OFED_INCLUDE_RDMA_RDMA_SDP_H_
31 #define _SYS_OFED_INCLUDE_RDMA_RDMA_SDP_H_
32 
33 #include <sys/cdefs.h>
34 #include <netinet/in.h>
35 
36 #include <rdma/ib_cm.h>
37 
38 union cma_ip_addr {
39 	struct in6_addr ip6;
40 	struct {
41 		__be32 pad[3];
42 		__be32 addr;
43 	} ip4;
44 };
45 
46 struct sdp_bsdh {
47 	u8 mid;
48 	u8 flags;
49 	__u16 bufs;
50 	__u32 len;
51 	__u32 mseq;
52 	__u32 mseq_ack;
53 } __packed;
54 
55 struct sdp_hh {
56 	struct sdp_bsdh bsdh;
57 	u8 majv_minv;
58 	u8 ipv_cap;
59 	u8 rsvd1;
60 	u8 max_adverts;
61 	__u32 desremrcvsz;
62 	__u32 localrcvsz;
63 	__u16 port;
64 	__u16 rsvd2;
65 	union cma_ip_addr src_addr;
66 	union cma_ip_addr dst_addr;
67 	u8 rsvd3[IB_CM_REQ_PRIVATE_DATA_SIZE - sizeof(struct sdp_bsdh) - 48];
68 } __packed;
69 
70 struct sdp_hah {
71 	struct sdp_bsdh bsdh;
72 	u8 majv_minv;
73 	u8 ipv_cap;
74 	u8 rsvd1;
75 	u8 ext_max_adverts;
76 	__u32 actrcvsz;
77 	u8 rsvd2[IB_CM_REP_PRIVATE_DATA_SIZE - sizeof(struct sdp_bsdh) - 8];
78 } __packed;
79 
80 #endif /* _SYS_OFED_INCLUDE_RDMA_RDMA_SDP_H_ */
81