1 /*
2 * Copyright (c) 2006 Cisco Systems. 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 #include "pingpong.h"
34 #include <infiniband/endian.h>
35 #include <stdlib.h>
36 #include <stdio.h>
37 #include <string.h>
38
pp_mtu_to_enum(int mtu)39 enum ibv_mtu pp_mtu_to_enum(int mtu)
40 {
41 switch (mtu) {
42 case 256: return IBV_MTU_256;
43 case 512: return IBV_MTU_512;
44 case 1024: return IBV_MTU_1024;
45 case 2048: return IBV_MTU_2048;
46 case 4096: return IBV_MTU_4096;
47 default: return 0;
48 }
49 }
50
pp_get_port_info(struct ibv_context * context,int port,struct ibv_port_attr * attr)51 int pp_get_port_info(struct ibv_context *context, int port,
52 struct ibv_port_attr *attr)
53 {
54 return ibv_query_port(context, port, attr);
55 }
56
wire_gid_to_gid(const char * wgid,union ibv_gid * gid)57 void wire_gid_to_gid(const char *wgid, union ibv_gid *gid)
58 {
59 char tmp[9];
60 __be32 v32;
61 int i;
62 uint32_t tmp_gid[4];
63
64 for (tmp[8] = 0, i = 0; i < 4; ++i) {
65 memcpy(tmp, wgid + i * 8, 8);
66 sscanf(tmp, "%x", &v32);
67 tmp_gid[i] = be32toh(v32);
68 }
69 memcpy(gid, tmp_gid, sizeof(*gid));
70 }
71
gid_to_wire_gid(const union ibv_gid * gid,char wgid[])72 void gid_to_wire_gid(const union ibv_gid *gid, char wgid[])
73 {
74 uint32_t tmp_gid[4];
75 int i;
76
77 memcpy(tmp_gid, gid, sizeof(tmp_gid));
78 for (i = 0; i < 4; ++i)
79 sprintf(&wgid[i * 8], "%08x", htobe32(tmp_gid[i]));
80 }
81