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
48int 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
59char *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
83int 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
107Exit:
108	path->drdlid = drdlid ? drdlid : 0xffff;
109	path->drslid = drslid ? drslid : 0xffff;
110
111	return path->cnt;
112}
113
114char *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