1 /*
2 * Copyright (c) 2004-2008 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 <unistd.h>
41 #include <pthread.h>
42 #include <sys/time.h>
43 #include <string.h>
44 #include <inttypes.h>
45 #include <arpa/inet.h>
46
47 #include <mad.h>
48 #include <infiniband/common.h>
49
50 #undef DEBUG
51 #define DEBUG if (ibdebug) IBWARN
52
53 int
portid2portnum(ib_portid_t * portid)54 portid2portnum(ib_portid_t *portid)
55 {
56 if (portid->lid > 0)
57 return -1;
58
59 if (portid->drpath.cnt == 0)
60 return 0;
61
62 return portid->drpath.p[(portid->drpath.cnt-1)];
63 }
64
65 char *
portid2str(ib_portid_t * portid)66 portid2str(ib_portid_t *portid)
67 {
68 static char buf[1024] = "local";
69 int n = 0;
70
71 if (portid->lid > 0) {
72 n += sprintf(buf + n, "Lid %d", portid->lid);
73 if (portid->grh_present) {
74 char gid[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
75 if (inet_ntop(AF_INET6, portid->gid, gid, sizeof(gid)))
76 n += sprintf(buf + n, " Gid %s", gid);
77 }
78 if (portid->drpath.cnt)
79 n += sprintf(buf + n, " ");
80 else
81 return buf;
82 }
83 n += sprintf(buf + n, "DR path ");
84 drpath2str(&(portid->drpath), buf + n, sizeof(buf) - n);
85
86 return buf;
87 }
88
89 int
str2drpath(ib_dr_path_t * path,char * routepath,int drslid,int drdlid)90 str2drpath(ib_dr_path_t *path, char *routepath, int drslid, int drdlid)
91 {
92 char *s, *str = routepath;
93
94 path->cnt = -1;
95
96 DEBUG("DR str: %s", routepath);
97 while (str && *str) {
98 if ((s = strchr(str, ',')))
99 *s = 0;
100 path->p[++path->cnt] = atoi(str);
101 if (!s)
102 break;
103 str = s+1;
104 }
105
106 path->drdlid = drdlid ? drdlid : 0xffff;
107 path->drslid = drslid ? drslid : 0xffff;
108
109 return path->cnt;
110 }
111
112 char *
drpath2str(ib_dr_path_t * path,char * dstr,size_t dstr_size)113 drpath2str(ib_dr_path_t *path, char *dstr, size_t dstr_size)
114 {
115 int i = 0;
116 int rc = snprintf(dstr, dstr_size, "slid %d; dlid %d; %d",
117 path->drslid, path->drdlid, path->p[0]);
118 if (rc >= dstr_size)
119 return dstr;
120 for (i = 1; i <= path->cnt; i++) {
121 rc += snprintf(dstr+rc, dstr_size-rc, ",%d", path->p[i]);
122 if (rc >= dstr_size)
123 break;
124 }
125 return (dstr);
126 }
127