4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
35 #define DEBUG_SUBSYSTEM S_LNET
36 #include <lnet/lib-lnet.h>
38 typedef struct { /* tmp struct for parsing routes */
39 cfs_list_t ltb_list; /* stash on lists */
40 int ltb_size; /* allocated size */
41 char ltb_text[0]; /* text buffer */
44 static int lnet_tbnob = 0; /* track text buf allocation */
45 #define LNET_MAX_TEXTBUF_NOB (64<<10) /* bound allocation */
46 #define LNET_SINGLE_TEXTBUF_NOB (4<<10)
49 lnet_syntax(char *name, char *str, int offset, int width)
51 static char dots[LNET_SINGLE_TEXTBUF_NOB];
52 static char dashes[LNET_SINGLE_TEXTBUF_NOB];
54 memset(dots, '.', sizeof(dots));
55 dots[sizeof(dots)-1] = 0;
56 memset(dashes, '-', sizeof(dashes));
57 dashes[sizeof(dashes)-1] = 0;
59 LCONSOLE_ERROR_MSG(0x10f, "Error parsing '%s=\"%s\"'\n", name, str);
60 LCONSOLE_ERROR_MSG(0x110, "here...........%.*s..%.*s|%.*s|\n",
61 (int)strlen(name), dots, offset, dots,
62 (width < 1) ? 0 : width - 1, dashes);
79 lnet_net_unique(__u32 net, cfs_list_t *nilist)
84 cfs_list_for_each (tmp, nilist) {
85 ni = cfs_list_entry(tmp, lnet_ni_t, ni_list);
87 if (LNET_NIDNET(ni->ni_nid) == net)
95 lnet_new_ni(__u32 net, cfs_list_t *nilist)
99 if (!lnet_net_unique(net, nilist)) {
100 LCONSOLE_ERROR_MSG(0x111, "Duplicate network specified: %s\n",
101 libcfs_net2str(net));
105 LIBCFS_ALLOC(ni, sizeof(*ni));
107 CERROR("Out of memory creating network %s\n",
108 libcfs_net2str(net));
112 /* zero counters/flags, NULL pointers... */
113 memset(ni, 0, sizeof(*ni));
115 /* LND will fill in the address part of the NID */
116 ni->ni_nid = LNET_MKNID(net, 0);
117 CFS_INIT_LIST_HEAD(&ni->ni_txq);
118 ni->ni_last_alive = cfs_time_current();
120 cfs_list_add_tail(&ni->ni_list, nilist);
125 lnet_parse_networks(cfs_list_t *nilist, char *networks)
127 int tokensize = strlen(networks) + 1;
134 if (strlen(networks) > LNET_SINGLE_TEXTBUF_NOB) {
135 /* _WAY_ conservative */
136 LCONSOLE_ERROR_MSG(0x112, "Can't parse networks: string too "
141 LIBCFS_ALLOC(tokens, tokensize);
142 if (tokens == NULL) {
143 CERROR("Can't allocate net tokens\n");
147 the_lnet.ln_network_tokens = tokens;
148 the_lnet.ln_network_tokens_nob = tokensize;
149 memcpy (tokens, networks, tokensize);
152 /* Add in the loopback network */
153 ni = lnet_new_ni(LNET_MKNET(LOLND, 0), nilist);
157 while (str != NULL && *str != 0) {
158 char *comma = strchr(str, ',');
159 char *bracket = strchr(str, '(');
163 /* NB we don't check interface conflicts here; it's the LNDs
164 * responsibility (if it cares at all) */
166 if (bracket == NULL ||
167 (comma != NULL && comma < bracket)) {
169 /* no interface list specified */
173 net = libcfs_str2net(cfs_trimwhite(str));
175 if (net == LNET_NIDNET(LNET_NID_ANY)) {
176 lnet_syntax("networks", networks,
177 (int)(str - tokens), strlen(str));
178 LCONSOLE_ERROR_MSG(0x113, "Unrecognised network"
183 if (LNET_NETTYP(net) != LOLND && /* loopback is implicit */
184 lnet_new_ni(net, nilist) == NULL)
192 net = libcfs_str2net(cfs_trimwhite(str));
193 if (net == LNET_NIDNET(LNET_NID_ANY)) {
194 lnet_syntax("networks", networks,
195 (int)(str - tokens), strlen(str));
200 ni = lnet_new_ni(net, nilist);
207 bracket = strchr(iface, ')');
208 if (bracket == NULL) {
209 lnet_syntax("networks", networks,
210 (int)(iface - tokens), strlen(iface));
216 comma = strchr(iface, ',');
220 iface = cfs_trimwhite(iface);
222 lnet_syntax("networks", networks,
223 (int)(iface - tokens),
228 if (niface == LNET_MAX_INTERFACES) {
229 LCONSOLE_ERROR_MSG(0x115, "Too many interfaces "
231 libcfs_net2str(net));
235 ni->ni_interfaces[niface++] = iface;
237 } while (iface != NULL);
240 comma = strchr(bracket + 1, ',');
243 str = cfs_trimwhite(str);
245 lnet_syntax("networks", networks,
246 (int)(str - tokens), strlen(str));
253 str = cfs_trimwhite(str);
255 lnet_syntax("networks", networks,
256 (int)(str - tokens), strlen(str));
261 LASSERT (!cfs_list_empty(nilist));
265 while (!cfs_list_empty(nilist)) {
266 ni = cfs_list_entry(nilist->next, lnet_ni_t, ni_list);
268 cfs_list_del(&ni->ni_list);
269 LIBCFS_FREE(ni, sizeof(*ni));
271 LIBCFS_FREE(tokens, tokensize);
272 the_lnet.ln_network_tokens = NULL;
278 lnet_new_text_buf (int str_len)
280 lnet_text_buf_t *ltb;
283 /* NB allocate space for the terminating 0 */
284 nob = offsetof(lnet_text_buf_t, ltb_text[str_len + 1]);
285 if (nob > LNET_SINGLE_TEXTBUF_NOB) {
286 /* _way_ conservative for "route net gateway..." */
287 CERROR("text buffer too big\n");
291 if (lnet_tbnob + nob > LNET_MAX_TEXTBUF_NOB) {
292 CERROR("Too many text buffers\n");
296 LIBCFS_ALLOC(ltb, nob);
301 ltb->ltb_text[0] = 0;
307 lnet_free_text_buf (lnet_text_buf_t *ltb)
309 lnet_tbnob -= ltb->ltb_size;
310 LIBCFS_FREE(ltb, ltb->ltb_size);
314 lnet_free_text_bufs(cfs_list_t *tbs)
316 lnet_text_buf_t *ltb;
318 while (!cfs_list_empty(tbs)) {
319 ltb = cfs_list_entry(tbs->next, lnet_text_buf_t, ltb_list);
321 cfs_list_del(<b->ltb_list);
322 lnet_free_text_buf(ltb);
327 lnet_print_text_bufs(cfs_list_t *tbs)
330 lnet_text_buf_t *ltb;
332 cfs_list_for_each (tmp, tbs) {
333 ltb = cfs_list_entry(tmp, lnet_text_buf_t, ltb_list);
335 CDEBUG(D_WARNING, "%s\n", ltb->ltb_text);
338 CDEBUG(D_WARNING, "%d allocated\n", lnet_tbnob);
342 lnet_str2tbs_sep (cfs_list_t *tbs, char *str)
348 lnet_text_buf_t *ltb;
350 CFS_INIT_LIST_HEAD(&pending);
352 /* Split 'str' into separate commands */
354 /* skip leading whitespace */
355 while (cfs_iswhite(*str))
358 /* scan for separator or comment */
359 for (sep = str; *sep != 0; sep++)
360 if (lnet_issep(*sep) || *sep == '#')
363 nob = (int)(sep - str);
365 ltb = lnet_new_text_buf(nob);
367 lnet_free_text_bufs(&pending);
371 for (i = 0; i < nob; i++)
372 if (cfs_iswhite(str[i]))
373 ltb->ltb_text[i] = ' ';
375 ltb->ltb_text[i] = str[i];
377 ltb->ltb_text[nob] = 0;
379 cfs_list_add_tail(<b->ltb_list, &pending);
383 /* scan for separator */
386 } while (*sep != 0 && !lnet_issep(*sep));
395 cfs_list_splice(&pending, tbs->prev);
400 lnet_expand1tb (cfs_list_t *list,
401 char *str, char *sep1, char *sep2,
402 char *item, int itemlen)
404 int len1 = (int)(sep1 - str);
405 int len2 = strlen(sep2 + 1);
406 lnet_text_buf_t *ltb;
408 LASSERT (*sep1 == '[');
409 LASSERT (*sep2 == ']');
411 ltb = lnet_new_text_buf(len1 + itemlen + len2);
415 memcpy(ltb->ltb_text, str, len1);
416 memcpy(<b->ltb_text[len1], item, itemlen);
417 memcpy(<b->ltb_text[len1+itemlen], sep2 + 1, len2);
418 ltb->ltb_text[len1 + itemlen + len2] = 0;
420 cfs_list_add_tail(<b->ltb_list, list);
425 lnet_str2tbs_expand (cfs_list_t *tbs, char *str)
440 CFS_INIT_LIST_HEAD(&pending);
442 sep = strchr(str, '[');
443 if (sep == NULL) /* nothing to expand */
446 sep2 = strchr(sep, ']');
450 for (parsed = sep; parsed < sep2; parsed = enditem) {
453 while (enditem < sep2 && *enditem != ',')
456 if (enditem == parsed) /* no empty items */
459 if (sscanf(parsed, "%d-%d/%d%n", &lo, &hi, &stride, &scanned) < 3) {
461 if (sscanf(parsed, "%d-%d%n", &lo, &hi, &scanned) < 2) {
463 /* simple string enumeration */
464 if (lnet_expand1tb(&pending, str, sep, sep2,
465 parsed, (int)(enditem - parsed)) != 0)
474 /* range expansion */
476 if (enditem != parsed + scanned) /* no trailing junk */
479 if (hi < 0 || lo < 0 || stride < 0 || hi < lo ||
480 (hi - lo) % stride != 0)
483 for (i = lo; i <= hi; i += stride) {
485 snprintf(num, sizeof(num), "%d", i);
487 if (nob + 1 == sizeof(num))
490 if (lnet_expand1tb(&pending, str, sep, sep2,
496 cfs_list_splice(&pending, tbs->prev);
500 lnet_free_text_bufs(&pending);
505 lnet_parse_hops (char *str, unsigned int *hops)
507 int len = strlen(str);
510 return (sscanf(str, "%u%n", hops, &nob) >= 1 &&
512 *hops > 0 && *hops < 256);
517 lnet_parse_route (char *str, int *im_a_router)
519 /* static scratch buffer OK (single threaded) */
520 static char cmd[LNET_SINGLE_TEXTBUF_NOB];
528 lnet_text_buf_t *ltb;
537 CFS_INIT_LIST_HEAD(&gateways);
538 CFS_INIT_LIST_HEAD(&nets);
540 /* save a copy of the string for error messages */
541 strncpy(cmd, str, sizeof(cmd) - 1);
542 cmd[sizeof(cmd) - 1] = 0;
546 /* scan for token start */
547 while (cfs_iswhite(*sep))
550 if (ntokens < (got_hops ? 3 : 2))
558 /* scan for token end */
559 while (*sep != 0 && !cfs_iswhite(*sep))
565 tmp2 = &nets; /* expanding nets */
566 } else if (ntokens == 2 &&
567 lnet_parse_hops(token, &hops)) {
568 got_hops = 1; /* got a hop count */
571 tmp2 = &gateways; /* expanding gateways */
574 ltb = lnet_new_text_buf(strlen(token));
578 strcpy(ltb->ltb_text, token);
579 tmp1 = <b->ltb_list;
580 cfs_list_add_tail(tmp1, tmp2);
582 while (tmp1 != tmp2) {
583 ltb = cfs_list_entry(tmp1, lnet_text_buf_t, ltb_list);
585 rc = lnet_str2tbs_expand(tmp1->next, ltb->ltb_text);
591 if (rc > 0) { /* expanded! */
592 cfs_list_del(<b->ltb_list);
593 lnet_free_text_buf(ltb);
598 net = libcfs_str2net(ltb->ltb_text);
599 if (net == LNET_NIDNET(LNET_NID_ANY) ||
600 LNET_NETTYP(net) == LOLND)
603 nid = libcfs_str2nid(ltb->ltb_text);
604 if (nid == LNET_NID_ANY ||
605 LNET_NETTYP(LNET_NIDNET(nid)) == LOLND)
614 LASSERT (!cfs_list_empty(&nets));
615 LASSERT (!cfs_list_empty(&gateways));
617 cfs_list_for_each (tmp1, &nets) {
618 ltb = cfs_list_entry(tmp1, lnet_text_buf_t, ltb_list);
619 net = libcfs_str2net(ltb->ltb_text);
620 LASSERT (net != LNET_NIDNET(LNET_NID_ANY));
622 cfs_list_for_each (tmp2, &gateways) {
623 ltb = cfs_list_entry(tmp2, lnet_text_buf_t, ltb_list);
624 nid = libcfs_str2nid(ltb->ltb_text);
625 LASSERT (nid != LNET_NID_ANY);
627 if (lnet_islocalnid(nid)) {
632 rc = lnet_add_route (net, hops, nid);
634 CERROR("Can't create route "
637 libcfs_nid2str(nid));
647 lnet_syntax("routes", cmd, (int)(token - str), strlen(token));
649 lnet_free_text_bufs(&nets);
650 lnet_free_text_bufs(&gateways);
655 lnet_parse_route_tbs(cfs_list_t *tbs, int *im_a_router)
657 lnet_text_buf_t *ltb;
659 while (!cfs_list_empty(tbs)) {
660 ltb = cfs_list_entry(tbs->next, lnet_text_buf_t, ltb_list);
662 if (lnet_parse_route(ltb->ltb_text, im_a_router) < 0) {
663 lnet_free_text_bufs(tbs);
667 cfs_list_del(<b->ltb_list);
668 lnet_free_text_buf(ltb);
675 lnet_parse_routes (char *routes, int *im_a_router)
682 CFS_INIT_LIST_HEAD(&tbs);
684 if (lnet_str2tbs_sep(&tbs, routes) < 0) {
685 CERROR("Error parsing routes\n");
688 rc = lnet_parse_route_tbs(&tbs, im_a_router);
691 LASSERT (lnet_tbnob == 0);
696 lnet_match_network_token(char *token, int len, __u32 *ipaddrs, int nip)
698 CFS_LIST_HEAD (list);
702 rc = cfs_ip_addr_parse(token, len, &list);
706 for (rc = i = 0; !rc && i < nip; i++)
707 rc = cfs_ip_addr_match(ipaddrs[i], &list);
709 cfs_ip_addr_free(&list);
715 lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
717 static char tokens[LNET_SINGLE_TEXTBUF_NOB];
727 LASSERT (strlen(net_entry) < sizeof(tokens));
729 /* work on a copy of the string */
730 strcpy(tokens, net_entry);
733 /* scan for token start */
734 while (cfs_iswhite(*sep))
741 /* scan for token end */
742 while (*sep != 0 && !cfs_iswhite(*sep))
747 if (ntokens++ == 0) {
754 rc = lnet_match_network_token(token, len, ipaddrs, nip);
756 lnet_syntax("ip2nets", net_entry,
757 (int)(token - tokens), len);
761 matched |= (rc != 0);
767 strcpy(net_entry, net); /* replace with matched net */
772 lnet_netspec2net(char *netspec)
774 char *bracket = strchr(netspec, '(');
780 net = libcfs_str2net(netspec);
789 lnet_splitnets(char *source, cfs_list_t *nets)
795 lnet_text_buf_t *tb2;
801 LASSERT (!cfs_list_empty(nets));
802 LASSERT (nets->next == nets->prev); /* single entry */
804 tb = cfs_list_entry(nets->next, lnet_text_buf_t, ltb_list);
807 sep = strchr(tb->ltb_text, ',');
808 bracket = strchr(tb->ltb_text, '(');
813 /* netspec lists interfaces... */
815 offset2 = offset + (int)(bracket - tb->ltb_text);
816 len = strlen(bracket);
818 bracket = strchr(bracket + 1, ')');
820 if (bracket == NULL ||
821 !(bracket[1] == ',' || bracket[1] == 0)) {
822 lnet_syntax("ip2nets", source, offset2, len);
826 sep = (bracket[1] == 0) ? NULL : bracket + 1;
832 net = lnet_netspec2net(tb->ltb_text);
833 if (net == LNET_NIDNET(LNET_NID_ANY)) {
834 lnet_syntax("ip2nets", source, offset,
835 strlen(tb->ltb_text));
839 cfs_list_for_each(t, nets) {
840 tb2 = cfs_list_entry(t, lnet_text_buf_t, ltb_list);
845 if (net == lnet_netspec2net(tb2->ltb_text)) {
846 /* duplicate network */
847 lnet_syntax("ip2nets", source, offset,
848 strlen(tb->ltb_text));
856 offset += (int)(sep - tb->ltb_text);
857 tb2 = lnet_new_text_buf(strlen(sep));
861 strcpy(tb2->ltb_text, sep);
862 cfs_list_add_tail(&tb2->ltb_list, nets);
869 lnet_match_networks (char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
871 static char networks[LNET_SINGLE_TEXTBUF_NOB];
872 static char source[LNET_SINGLE_TEXTBUF_NOB];
874 cfs_list_t raw_entries;
875 cfs_list_t matched_nets;
876 cfs_list_t current_nets;
880 lnet_text_buf_t *tb2;
888 CFS_INIT_LIST_HEAD(&raw_entries);
889 if (lnet_str2tbs_sep(&raw_entries, ip2nets) < 0) {
890 CERROR("Error parsing ip2nets\n");
891 LASSERT (lnet_tbnob == 0);
895 CFS_INIT_LIST_HEAD(&matched_nets);
896 CFS_INIT_LIST_HEAD(¤t_nets);
902 while (!cfs_list_empty(&raw_entries)) {
903 tb = cfs_list_entry(raw_entries.next, lnet_text_buf_t,
906 strncpy(source, tb->ltb_text, sizeof(source)-1);
907 source[sizeof(source)-1] = 0;
909 /* replace ltb_text with the network(s) add on match */
910 rc = lnet_match_network_tokens(tb->ltb_text, ipaddrs, nip);
914 cfs_list_del(&tb->ltb_list);
916 if (rc == 0) { /* no match */
917 lnet_free_text_buf(tb);
921 /* split into separate networks */
922 CFS_INIT_LIST_HEAD(¤t_nets);
923 cfs_list_add(&tb->ltb_list, ¤t_nets);
924 rc = lnet_splitnets(source, ¤t_nets);
929 cfs_list_for_each (t, ¤t_nets) {
930 tb = cfs_list_entry(t, lnet_text_buf_t, ltb_list);
931 net1 = lnet_netspec2net(tb->ltb_text);
932 LASSERT (net1 != LNET_NIDNET(LNET_NID_ANY));
934 cfs_list_for_each(t2, &matched_nets) {
935 tb2 = cfs_list_entry(t2, lnet_text_buf_t,
937 net2 = lnet_netspec2net(tb2->ltb_text);
938 LASSERT (net2 != LNET_NIDNET(LNET_NID_ANY));
951 lnet_free_text_bufs(¤t_nets);
955 cfs_list_for_each_safe(t, t2, ¤t_nets) {
956 tb = cfs_list_entry(t, lnet_text_buf_t, ltb_list);
958 cfs_list_del(&tb->ltb_list);
959 cfs_list_add_tail(&tb->ltb_list, &matched_nets);
961 len += snprintf(networks + len, sizeof(networks) - len,
962 "%s%s", (len == 0) ? "" : ",",
965 if (len >= sizeof(networks)) {
966 CERROR("Too many matched networks\n");
976 lnet_free_text_bufs(&raw_entries);
977 lnet_free_text_bufs(&matched_nets);
978 lnet_free_text_bufs(¤t_nets);
979 LASSERT (lnet_tbnob == 0);
984 *networksp = networks;
990 lnet_ipaddr_free_enumeration(__u32 *ipaddrs, int nip)
992 LIBCFS_FREE(ipaddrs, nip * sizeof(*ipaddrs));
996 lnet_ipaddr_enumerate (__u32 **ipaddrsp)
1004 int nif = libcfs_ipif_enumerate(&ifnames);
1011 LIBCFS_ALLOC(ipaddrs, nif * sizeof(*ipaddrs));
1012 if (ipaddrs == NULL) {
1013 CERROR("Can't allocate ipaddrs[%d]\n", nif);
1014 libcfs_ipif_free_enumeration(ifnames, nif);
1018 for (i = nip = 0; i < nif; i++) {
1019 if (!strcmp(ifnames[i], "lo"))
1022 rc = libcfs_ipif_query(ifnames[i], &up,
1023 &ipaddrs[nip], &netmask);
1025 CWARN("Can't query interface %s: %d\n",
1031 CWARN("Ignoring interface %s: it's down\n",
1039 libcfs_ipif_free_enumeration(ifnames, nif);
1042 *ipaddrsp = ipaddrs;
1045 LIBCFS_ALLOC(ipaddrs2, nip * sizeof(*ipaddrs2));
1046 if (ipaddrs2 == NULL) {
1047 CERROR("Can't allocate ipaddrs[%d]\n", nip);
1050 memcpy(ipaddrs2, ipaddrs,
1051 nip * sizeof(*ipaddrs));
1052 *ipaddrsp = ipaddrs2;
1056 lnet_ipaddr_free_enumeration(ipaddrs, nif);
1062 lnet_parse_ip2nets (char **networksp, char *ip2nets)
1065 int nip = lnet_ipaddr_enumerate(&ipaddrs);
1069 LCONSOLE_ERROR_MSG(0x117, "Error %d enumerating local IP "
1070 "interfaces for ip2nets to match\n", nip);
1075 LCONSOLE_ERROR_MSG(0x118, "No local IP interfaces "
1076 "for ip2nets to match\n");
1080 rc = lnet_match_networks(networksp, ip2nets, ipaddrs, nip);
1081 lnet_ipaddr_free_enumeration(ipaddrs, nip);
1084 LCONSOLE_ERROR_MSG(0x119, "Error %d parsing ip2nets\n", rc);
1089 LCONSOLE_ERROR_MSG(0x11a, "ip2nets does not match "
1090 "any local IP interfaces\n");
1098 lnet_set_ip_niaddr (lnet_ni_t *ni)
1100 __u32 net = LNET_NIDNET(ni->ni_nid);
1109 /* Convenience for LNDs that use the IP address of a local interface as
1110 * the local address part of their NID */
1112 if (ni->ni_interfaces[0] != NULL) {
1114 CLASSERT (LNET_MAX_INTERFACES > 1);
1116 if (ni->ni_interfaces[1] != NULL) {
1117 CERROR("Net %s doesn't support multiple interfaces\n",
1118 libcfs_net2str(net));
1122 rc = libcfs_ipif_query(ni->ni_interfaces[0],
1123 &up, &ip, &netmask);
1125 CERROR("Net %s can't query interface %s: %d\n",
1126 libcfs_net2str(net), ni->ni_interfaces[0], rc);
1131 CERROR("Net %s can't use interface %s: it's down\n",
1132 libcfs_net2str(net), ni->ni_interfaces[0]);
1136 ni->ni_nid = LNET_MKNID(net, ip);
1140 n = libcfs_ipif_enumerate(&names);
1142 CERROR("Net %s can't enumerate interfaces: %d\n",
1143 libcfs_net2str(net), n);
1147 for (i = 0; i < n; i++) {
1148 if (!strcmp(names[i], "lo")) /* skip the loopback IF */
1151 rc = libcfs_ipif_query(names[i], &up, &ip, &netmask);
1154 CWARN("Net %s can't query interface %s: %d\n",
1155 libcfs_net2str(net), names[i], rc);
1160 CWARN("Net %s ignoring interface %s (down)\n",
1161 libcfs_net2str(net), names[i]);
1165 libcfs_ipif_free_enumeration(names, n);
1166 ni->ni_nid = LNET_MKNID(net, ip);
1170 CERROR("Net %s can't find any interfaces\n", libcfs_net2str(net));
1171 libcfs_ipif_free_enumeration(names, n);
1174 EXPORT_SYMBOL(lnet_set_ip_niaddr);