1 /*
2 * Copyright (c) 2004-2009 Voltaire Inc. 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
34 #if HAVE_CONFIG_H
35 # include <config.h>
36 #endif /* HAVE_CONFIG_H */
37
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <arpa/inet.h>
42
43 #include <infiniband/mad.h>
44
45 #undef DEBUG
46 #define DEBUG if (ibdebug) IBWARN
47
portid2portnum(ib_portid_t * portid)48 int portid2portnum(ib_portid_t * portid)
49 {
50 if (portid->lid > 0)
51 return -1;
52
53 if (portid->drpath.cnt == 0)
54 return 0;
55
56 return portid->drpath.p[(portid->drpath.cnt - 1)];
57 }
58
portid2str(ib_portid_t * portid)59 char *portid2str(ib_portid_t * portid)
60 {
61 static char buf[1024] = "local";
62 int n = 0;
63
64 if (portid->lid > 0) {
65 n += sprintf(buf + n, "Lid %d", portid->lid);
66 if (portid->grh_present) {
67 char gid[sizeof
68 "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
69 if (inet_ntop(AF_INET6, portid->gid, gid, sizeof(gid)))
70 n += sprintf(buf + n, " Gid %s", gid);
71 }
72 if (portid->drpath.cnt)
73 n += sprintf(buf + n, " ");
74 else
75 return buf;
76 }
77 n += sprintf(buf + n, "DR path ");
78 drpath2str(&(portid->drpath), buf + n, sizeof(buf) - n);
79
80 return buf;
81 }
82
str2drpath(ib_dr_path_t * path,char * routepath,int drslid,int drdlid)83 int str2drpath(ib_dr_path_t * path, char *routepath, int drslid, int drdlid)
84 {
85 char *s, *str;
86 char *tmp;
87
88 path->cnt = -1;
89
90 if (!routepath || !(tmp = strdup(routepath)))
91 goto Exit;
92
93 DEBUG("DR str: %s", routepath);
94
95 str = tmp;
96
97 while (str && *str) {
98 if ((s = strchr(str, ',')))
99 *s = 0;
100 path->p[++path->cnt] = (uint8_t) atoi(str);
101 if (!s)
102 break;
103 str = s + 1;
104 }
105 free(tmp);
106
107 Exit:
108 path->drdlid = drdlid ? drdlid : 0xffff;
109 path->drslid = drslid ? drslid : 0xffff;
110
111 return path->cnt;
112 }
113
drpath2str(ib_dr_path_t * path,char * dstr,size_t dstr_size)114 char *drpath2str(ib_dr_path_t * path, char *dstr, size_t dstr_size)
115 {
116 int i = 0;
117 int rc = snprintf(dstr, dstr_size, "slid %u; dlid %u; %d",
118 path->drslid, path->drdlid, path->p[0]);
119 if (rc >= (int)dstr_size)
120 return dstr;
121 for (i = 1; i <= path->cnt; i++) {
122 rc += snprintf(dstr + rc, dstr_size - rc, ",%d", path->p[i]);
123 if (rc >= (int)dstr_size)
124 break;
125 }
126 return (dstr);
127 }
128