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.
30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #define DEBUG_SUBSYSTEM S_LNET
38 #include <lnet/lib-lnet.h>
40 /* tmp struct for parsing routes */
41 struct lnet_text_buf {
42 struct list_head ltb_list; /* stash on lists */
43 int ltb_size; /* allocated size */
44 char ltb_text[0]; /* text buffer */
47 static int lnet_tbnob = 0; /* track text buf allocation */
48 #define LNET_MAX_TEXTBUF_NOB (64<<10) /* bound allocation */
49 #define LNET_SINGLE_TEXTBUF_NOB (4<<10)
52 lnet_syntax(char *name, char *str, int offset, int width)
54 static char dots[LNET_SINGLE_TEXTBUF_NOB];
55 static char dashes[LNET_SINGLE_TEXTBUF_NOB];
57 memset(dots, '.', sizeof(dots));
58 dots[sizeof(dots)-1] = 0;
59 memset(dashes, '-', sizeof(dashes));
60 dashes[sizeof(dashes)-1] = 0;
62 LCONSOLE_ERROR_MSG(0x10f, "Error parsing '%s=\"%s\"'\n", name, str);
63 LCONSOLE_ERROR_MSG(0x110, "here...........%.*s..%.*s|%.*s|\n",
64 (int)strlen(name), dots, offset, dots,
65 (width < 1) ? 0 : width - 1, dashes);
82 lnet_net_unique(__u32 net, struct list_head *nilist)
84 struct list_head *tmp;
87 list_for_each(tmp, nilist) {
88 ni = list_entry(tmp, lnet_ni_t, ni_list);
90 if (LNET_NIDNET(ni->ni_nid) == net)
98 lnet_ni_free(struct lnet_ni *ni)
100 if (ni->ni_refs != NULL)
101 cfs_percpt_free(ni->ni_refs);
103 if (ni->ni_tx_queues != NULL)
104 cfs_percpt_free(ni->ni_tx_queues);
106 if (ni->ni_cpts != NULL)
107 cfs_expr_list_values_free(ni->ni_cpts, ni->ni_ncpts);
110 # ifdef HAVE_LIBPTHREAD
111 pthread_mutex_destroy(&ni->ni_lock);
114 LIBCFS_FREE(ni, sizeof(*ni));
118 lnet_ni_alloc(__u32 net, struct cfs_expr_list *el, struct list_head *nilist)
120 struct lnet_tx_queue *tq;
125 if (!lnet_net_unique(net, nilist)) {
126 LCONSOLE_ERROR_MSG(0x111, "Duplicate network specified: %s\n",
127 libcfs_net2str(net));
131 LIBCFS_ALLOC(ni, sizeof(*ni));
133 CERROR("Out of memory creating network %s\n",
134 libcfs_net2str(net));
139 spin_lock_init(&ni->ni_lock);
141 # ifdef HAVE_LIBPTHREAD
142 pthread_mutex_init(&ni->ni_lock, NULL);
145 INIT_LIST_HEAD(&ni->ni_cptlist);
146 ni->ni_refs = cfs_percpt_alloc(lnet_cpt_table(),
147 sizeof(*ni->ni_refs[0]));
148 if (ni->ni_refs == NULL)
151 ni->ni_tx_queues = cfs_percpt_alloc(lnet_cpt_table(),
152 sizeof(*ni->ni_tx_queues[0]));
153 if (ni->ni_tx_queues == NULL)
156 cfs_percpt_for_each(tq, i, ni->ni_tx_queues)
157 INIT_LIST_HEAD(&tq->tq_delayed);
161 ni->ni_ncpts = LNET_CPT_NUMBER;
163 rc = cfs_expr_list_values(el, LNET_CPT_NUMBER, &ni->ni_cpts);
165 CERROR("Failed to set CPTs for NI %s: %d\n",
166 libcfs_net2str(net), rc);
170 LASSERT(rc <= LNET_CPT_NUMBER);
171 if (rc == LNET_CPT_NUMBER) {
172 LIBCFS_FREE(ni->ni_cpts, rc * sizeof(ni->ni_cpts[0]));
179 /* LND will fill in the address part of the NID */
180 ni->ni_nid = LNET_MKNID(net, 0);
181 ni->ni_last_alive = cfs_time_current_sec();
182 list_add_tail(&ni->ni_list, nilist);
190 lnet_parse_networks(struct list_head *nilist, char *networks)
192 struct cfs_expr_list *el = NULL;
193 int tokensize = strlen(networks) + 1;
201 if (strlen(networks) > LNET_SINGLE_TEXTBUF_NOB) {
202 /* _WAY_ conservative */
203 LCONSOLE_ERROR_MSG(0x112, "Can't parse networks: string too "
208 LIBCFS_ALLOC(tokens, tokensize);
209 if (tokens == NULL) {
210 CERROR("Can't allocate net tokens\n");
214 the_lnet.ln_network_tokens = tokens;
215 the_lnet.ln_network_tokens_nob = tokensize;
216 memcpy (tokens, networks, tokensize);
219 /* Add in the loopback network */
220 ni = lnet_ni_alloc(LNET_MKNET(LOLND, 0), NULL, nilist);
224 while (str != NULL && *str != 0) {
225 char *comma = strchr(str, ',');
226 char *bracket = strchr(str, '(');
227 char *square = strchr(str, '[');
232 /* NB we don't check interface conflicts here; it's the LNDs
233 * responsibility (if it cares at all) */
235 if (square != NULL && (comma == NULL || square < comma)) {
236 /* i.e: o2ib0(ib0)[1,2], number between square
237 * brackets are CPTs this NI needs to be bond */
238 if (bracket != NULL && bracket > square) {
243 tmp = strchr(square, ']');
249 rc = cfs_expr_list_parse(square, tmp - square + 1,
250 0, LNET_CPT_NUMBER - 1, &el);
256 while (square <= tmp)
260 if (bracket == NULL ||
261 (comma != NULL && comma < bracket)) {
263 /* no interface list specified */
267 net = libcfs_str2net(cfs_trimwhite(str));
269 if (net == LNET_NIDNET(LNET_NID_ANY)) {
270 LCONSOLE_ERROR_MSG(0x113, "Unrecognised network"
276 if (LNET_NETTYP(net) != LOLND && /* LO is implicit */
277 lnet_ni_alloc(net, el, nilist) == NULL)
281 cfs_expr_list_free(el);
290 net = libcfs_str2net(cfs_trimwhite(str));
291 if (net == LNET_NIDNET(LNET_NID_ANY)) {
297 ni = lnet_ni_alloc(net, el, nilist);
302 cfs_expr_list_free(el);
309 bracket = strchr(iface, ')');
310 if (bracket == NULL) {
317 comma = strchr(iface, ',');
321 iface = cfs_trimwhite(iface);
327 if (niface == LNET_MAX_INTERFACES) {
328 LCONSOLE_ERROR_MSG(0x115, "Too many interfaces "
330 libcfs_net2str(net));
334 ni->ni_interfaces[niface++] = iface;
336 } while (iface != NULL);
339 comma = strchr(bracket + 1, ',');
342 str = cfs_trimwhite(str);
351 str = cfs_trimwhite(str);
358 LASSERT(!list_empty(nilist));
362 lnet_syntax("networks", networks, (int)(tmp - tokens), strlen(tmp));
364 while (!list_empty(nilist)) {
365 ni = list_entry(nilist->next, lnet_ni_t, ni_list);
367 list_del(&ni->ni_list);
372 cfs_expr_list_free(el);
374 LIBCFS_FREE(tokens, tokensize);
375 the_lnet.ln_network_tokens = NULL;
380 struct lnet_text_buf *lnet_new_text_buf(int str_len)
382 struct lnet_text_buf *ltb;
385 /* NB allocate space for the terminating 0 */
386 nob = offsetof(struct lnet_text_buf, ltb_text[str_len + 1]);
387 if (nob > LNET_SINGLE_TEXTBUF_NOB) {
388 /* _way_ conservative for "route net gateway..." */
389 CERROR("text buffer too big\n");
393 if (lnet_tbnob + nob > LNET_MAX_TEXTBUF_NOB) {
394 CERROR("Too many text buffers\n");
398 LIBCFS_ALLOC(ltb, nob);
403 ltb->ltb_text[0] = 0;
409 lnet_free_text_buf(struct lnet_text_buf *ltb)
411 lnet_tbnob -= ltb->ltb_size;
412 LIBCFS_FREE(ltb, ltb->ltb_size);
416 lnet_free_text_bufs(struct list_head *tbs)
418 struct lnet_text_buf *ltb;
420 while (!list_empty(tbs)) {
421 ltb = list_entry(tbs->next, struct lnet_text_buf, ltb_list);
423 list_del(<b->ltb_list);
424 lnet_free_text_buf(ltb);
429 lnet_print_text_bufs(struct list_head *tbs)
431 struct list_head *tmp;
432 struct lnet_text_buf *ltb;
434 list_for_each(tmp, tbs) {
435 ltb = list_entry(tmp, struct lnet_text_buf, ltb_list);
437 CDEBUG(D_WARNING, "%s\n", ltb->ltb_text);
440 CDEBUG(D_WARNING, "%d allocated\n", lnet_tbnob);
444 lnet_str2tbs_sep(struct list_head *tbs, char *str)
446 struct list_head pending;
450 struct lnet_text_buf *ltb;
452 INIT_LIST_HEAD(&pending);
454 /* Split 'str' into separate commands */
456 /* skip leading whitespace */
457 while (cfs_iswhite(*str))
460 /* scan for separator or comment */
461 for (sep = str; *sep != 0; sep++)
462 if (lnet_issep(*sep) || *sep == '#')
465 nob = (int)(sep - str);
467 ltb = lnet_new_text_buf(nob);
469 lnet_free_text_bufs(&pending);
473 for (i = 0; i < nob; i++)
474 if (cfs_iswhite(str[i]))
475 ltb->ltb_text[i] = ' ';
477 ltb->ltb_text[i] = str[i];
479 ltb->ltb_text[nob] = 0;
481 list_add_tail(<b->ltb_list, &pending);
485 /* scan for separator */
488 } while (*sep != 0 && !lnet_issep(*sep));
497 list_splice(&pending, tbs->prev);
502 lnet_expand1tb(struct list_head *list,
503 char *str, char *sep1, char *sep2,
504 char *item, int itemlen)
506 int len1 = (int)(sep1 - str);
507 int len2 = strlen(sep2 + 1);
508 struct lnet_text_buf *ltb;
510 LASSERT (*sep1 == '[');
511 LASSERT (*sep2 == ']');
513 ltb = lnet_new_text_buf(len1 + itemlen + len2);
517 memcpy(ltb->ltb_text, str, len1);
518 memcpy(<b->ltb_text[len1], item, itemlen);
519 memcpy(<b->ltb_text[len1+itemlen], sep2 + 1, len2);
520 ltb->ltb_text[len1 + itemlen + len2] = 0;
522 list_add_tail(<b->ltb_list, list);
527 lnet_str2tbs_expand(struct list_head *tbs, char *str)
530 struct list_head pending;
542 INIT_LIST_HEAD(&pending);
544 sep = strchr(str, '[');
545 if (sep == NULL) /* nothing to expand */
548 sep2 = strchr(sep, ']');
552 for (parsed = sep; parsed < sep2; parsed = enditem) {
555 while (enditem < sep2 && *enditem != ',')
558 if (enditem == parsed) /* no empty items */
561 if (sscanf(parsed, "%d-%d/%d%n", &lo, &hi, &stride, &scanned) < 3) {
563 if (sscanf(parsed, "%d-%d%n", &lo, &hi, &scanned) < 2) {
565 /* simple string enumeration */
566 if (lnet_expand1tb(&pending, str, sep, sep2,
567 parsed, (int)(enditem - parsed)) != 0)
576 /* range expansion */
578 if (enditem != parsed + scanned) /* no trailing junk */
581 if (hi < 0 || lo < 0 || stride < 0 || hi < lo ||
582 (hi - lo) % stride != 0)
585 for (i = lo; i <= hi; i += stride) {
587 snprintf(num, sizeof(num), "%d", i);
589 if (nob + 1 == sizeof(num))
592 if (lnet_expand1tb(&pending, str, sep, sep2,
598 list_splice(&pending, tbs->prev);
602 lnet_free_text_bufs(&pending);
607 lnet_parse_hops (char *str, unsigned int *hops)
609 int len = strlen(str);
612 return (sscanf(str, "%u%n", hops, &nob) >= 1 &&
614 *hops > 0 && *hops < 256);
617 #define LNET_PRIORITY_SEPARATOR (':')
620 lnet_parse_priority(char *str, unsigned int *priority, char **token)
626 sep = strchr(str, LNET_PRIORITY_SEPARATOR);
631 len = strlen(sep + 1);
633 if ((sscanf((sep+1), "%u%n", priority, &nob) < 1) || (len != nob)) {
634 /* Update the caller's token pointer so it treats the found
635 priority as the token to report in the error message. */
636 *token += sep - str + 1;
640 CDEBUG(D_NET, "gateway %s, priority %d, nob %d\n", str, *priority, nob);
643 * Change priority separator to \0 to be able to parse NID
650 lnet_parse_route (char *str, int *im_a_router)
652 /* static scratch buffer OK (single threaded) */
653 static char cmd[LNET_SINGLE_TEXTBUF_NOB];
655 struct list_head nets;
656 struct list_head gateways;
657 struct list_head *tmp1;
658 struct list_head *tmp2;
661 struct lnet_text_buf *ltb;
669 unsigned int priority = 0;
671 INIT_LIST_HEAD(&gateways);
672 INIT_LIST_HEAD(&nets);
674 /* save a copy of the string for error messages */
675 strncpy(cmd, str, sizeof(cmd));
676 cmd[sizeof(cmd) - 1] = '\0';
680 /* scan for token start */
681 while (cfs_iswhite(*sep))
684 if (ntokens < (got_hops ? 3 : 2))
692 /* scan for token end */
693 while (*sep != 0 && !cfs_iswhite(*sep))
699 tmp2 = &nets; /* expanding nets */
700 } else if (ntokens == 2 &&
701 lnet_parse_hops(token, &hops)) {
702 got_hops = 1; /* got a hop count */
705 tmp2 = &gateways; /* expanding gateways */
708 ltb = lnet_new_text_buf(strlen(token));
712 strcpy(ltb->ltb_text, token);
713 tmp1 = <b->ltb_list;
714 list_add_tail(tmp1, tmp2);
716 while (tmp1 != tmp2) {
717 ltb = list_entry(tmp1, struct lnet_text_buf, ltb_list);
719 rc = lnet_str2tbs_expand(tmp1->next, ltb->ltb_text);
725 if (rc > 0) { /* expanded! */
726 list_del(<b->ltb_list);
727 lnet_free_text_buf(ltb);
732 net = libcfs_str2net(ltb->ltb_text);
733 if (net == LNET_NIDNET(LNET_NID_ANY) ||
734 LNET_NETTYP(net) == LOLND)
737 rc = lnet_parse_priority(ltb->ltb_text,
742 nid = libcfs_str2nid(ltb->ltb_text);
743 if (nid == LNET_NID_ANY ||
744 LNET_NETTYP(LNET_NIDNET(nid)) == LOLND)
753 LASSERT(!list_empty(&nets));
754 LASSERT(!list_empty(&gateways));
756 list_for_each(tmp1, &nets) {
757 ltb = list_entry(tmp1, struct lnet_text_buf, ltb_list);
758 net = libcfs_str2net(ltb->ltb_text);
759 LASSERT (net != LNET_NIDNET(LNET_NID_ANY));
761 list_for_each(tmp2, &gateways) {
762 ltb = list_entry(tmp2, struct lnet_text_buf, ltb_list);
763 nid = libcfs_str2nid(ltb->ltb_text);
764 LASSERT(nid != LNET_NID_ANY);
766 if (lnet_islocalnid(nid)) {
771 rc = lnet_add_route(net, hops, nid, priority);
773 CERROR("Can't create route "
776 libcfs_nid2str(nid));
786 lnet_syntax("routes", cmd, (int)(token - str), strlen(token));
788 lnet_free_text_bufs(&nets);
789 lnet_free_text_bufs(&gateways);
794 lnet_parse_route_tbs(struct list_head *tbs, int *im_a_router)
796 struct lnet_text_buf *ltb;
798 while (!list_empty(tbs)) {
799 ltb = list_entry(tbs->next, struct lnet_text_buf, ltb_list);
801 if (lnet_parse_route(ltb->ltb_text, im_a_router) < 0) {
802 lnet_free_text_bufs(tbs);
806 list_del(<b->ltb_list);
807 lnet_free_text_buf(ltb);
814 lnet_parse_routes (char *routes, int *im_a_router)
816 struct list_head tbs;
821 INIT_LIST_HEAD(&tbs);
823 if (lnet_str2tbs_sep(&tbs, routes) < 0) {
824 CERROR("Error parsing routes\n");
827 rc = lnet_parse_route_tbs(&tbs, im_a_router);
830 LASSERT (lnet_tbnob == 0);
835 lnet_match_network_token(char *token, int len, __u32 *ipaddrs, int nip)
837 struct list_head list = LIST_HEAD_INIT(list);
841 rc = cfs_ip_addr_parse(token, len, &list);
845 for (rc = i = 0; !rc && i < nip; i++)
846 rc = cfs_ip_addr_match(ipaddrs[i], &list);
848 cfs_ip_addr_free(&list);
854 lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
856 static char tokens[LNET_SINGLE_TEXTBUF_NOB];
866 LASSERT (strlen(net_entry) < sizeof(tokens));
868 /* work on a copy of the string */
869 strcpy(tokens, net_entry);
872 /* scan for token start */
873 while (cfs_iswhite(*sep))
880 /* scan for token end */
881 while (*sep != 0 && !cfs_iswhite(*sep))
886 if (ntokens++ == 0) {
893 rc = lnet_match_network_token(token, len, ipaddrs, nip);
895 lnet_syntax("ip2nets", net_entry,
896 (int)(token - tokens), len);
900 matched |= (rc != 0);
906 strcpy(net_entry, net); /* replace with matched net */
911 lnet_netspec2net(char *netspec)
913 char *bracket = strchr(netspec, '(');
919 net = libcfs_str2net(netspec);
928 lnet_splitnets(char *source, struct list_head *nets)
933 struct lnet_text_buf *tb;
934 struct lnet_text_buf *tb2;
940 LASSERT(!list_empty(nets));
941 LASSERT(nets->next == nets->prev); /* single entry */
943 tb = list_entry(nets->next, struct lnet_text_buf, ltb_list);
946 sep = strchr(tb->ltb_text, ',');
947 bracket = strchr(tb->ltb_text, '(');
952 /* netspec lists interfaces... */
954 offset2 = offset + (int)(bracket - tb->ltb_text);
955 len = strlen(bracket);
957 bracket = strchr(bracket + 1, ')');
959 if (bracket == NULL ||
960 !(bracket[1] == ',' || bracket[1] == 0)) {
961 lnet_syntax("ip2nets", source, offset2, len);
965 sep = (bracket[1] == 0) ? NULL : bracket + 1;
971 net = lnet_netspec2net(tb->ltb_text);
972 if (net == LNET_NIDNET(LNET_NID_ANY)) {
973 lnet_syntax("ip2nets", source, offset,
974 strlen(tb->ltb_text));
978 list_for_each(t, nets) {
979 tb2 = list_entry(t, struct lnet_text_buf, ltb_list);
984 if (net == lnet_netspec2net(tb2->ltb_text)) {
985 /* duplicate network */
986 lnet_syntax("ip2nets", source, offset,
987 strlen(tb->ltb_text));
995 offset += (int)(sep - tb->ltb_text);
997 tb2 = lnet_new_text_buf(len);
1001 strncpy(tb2->ltb_text, sep, len);
1002 tb2->ltb_text[len] = '\0';
1003 list_add_tail(&tb2->ltb_list, nets);
1010 lnet_match_networks (char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
1012 static char networks[LNET_SINGLE_TEXTBUF_NOB];
1013 static char source[LNET_SINGLE_TEXTBUF_NOB];
1015 struct list_head raw_entries;
1016 struct list_head matched_nets;
1017 struct list_head current_nets;
1018 struct list_head *t;
1019 struct list_head *t2;
1020 struct lnet_text_buf *tb;
1021 struct lnet_text_buf *tb2;
1029 INIT_LIST_HEAD(&raw_entries);
1030 if (lnet_str2tbs_sep(&raw_entries, ip2nets) < 0) {
1031 CERROR("Error parsing ip2nets\n");
1032 LASSERT (lnet_tbnob == 0);
1036 INIT_LIST_HEAD(&matched_nets);
1037 INIT_LIST_HEAD(¤t_nets);
1043 while (!list_empty(&raw_entries)) {
1044 tb = list_entry(raw_entries.next, struct lnet_text_buf,
1047 strncpy(source, tb->ltb_text, sizeof(source));
1048 source[sizeof(source) - 1] = '\0';
1050 /* replace ltb_text with the network(s) add on match */
1051 rc = lnet_match_network_tokens(tb->ltb_text, ipaddrs, nip);
1055 list_del(&tb->ltb_list);
1057 if (rc == 0) { /* no match */
1058 lnet_free_text_buf(tb);
1062 /* split into separate networks */
1063 INIT_LIST_HEAD(¤t_nets);
1064 list_add(&tb->ltb_list, ¤t_nets);
1065 rc = lnet_splitnets(source, ¤t_nets);
1070 list_for_each(t, ¤t_nets) {
1071 tb = list_entry(t, struct lnet_text_buf, ltb_list);
1072 net1 = lnet_netspec2net(tb->ltb_text);
1073 LASSERT(net1 != LNET_NIDNET(LNET_NID_ANY));
1075 list_for_each(t2, &matched_nets) {
1076 tb2 = list_entry(t2, struct lnet_text_buf,
1078 net2 = lnet_netspec2net(tb2->ltb_text);
1079 LASSERT(net2 != LNET_NIDNET(LNET_NID_ANY));
1092 lnet_free_text_bufs(¤t_nets);
1096 list_for_each_safe(t, t2, ¤t_nets) {
1097 tb = list_entry(t, struct lnet_text_buf, ltb_list);
1099 list_del(&tb->ltb_list);
1100 list_add_tail(&tb->ltb_list, &matched_nets);
1102 len += snprintf(networks + len, sizeof(networks) - len,
1103 "%s%s", (len == 0) ? "" : ",",
1106 if (len >= sizeof(networks)) {
1107 CERROR("Too many matched networks\n");
1117 lnet_free_text_bufs(&raw_entries);
1118 lnet_free_text_bufs(&matched_nets);
1119 lnet_free_text_bufs(¤t_nets);
1120 LASSERT (lnet_tbnob == 0);
1125 *networksp = networks;
1131 lnet_ipaddr_free_enumeration(__u32 *ipaddrs, int nip)
1133 LIBCFS_FREE(ipaddrs, nip * sizeof(*ipaddrs));
1137 lnet_ipaddr_enumerate (__u32 **ipaddrsp)
1145 int nif = libcfs_ipif_enumerate(&ifnames);
1152 LIBCFS_ALLOC(ipaddrs, nif * sizeof(*ipaddrs));
1153 if (ipaddrs == NULL) {
1154 CERROR("Can't allocate ipaddrs[%d]\n", nif);
1155 libcfs_ipif_free_enumeration(ifnames, nif);
1159 for (i = nip = 0; i < nif; i++) {
1160 if (!strcmp(ifnames[i], "lo"))
1163 rc = libcfs_ipif_query(ifnames[i], &up,
1164 &ipaddrs[nip], &netmask);
1166 CWARN("Can't query interface %s: %d\n",
1172 CWARN("Ignoring interface %s: it's down\n",
1180 libcfs_ipif_free_enumeration(ifnames, nif);
1183 *ipaddrsp = ipaddrs;
1186 LIBCFS_ALLOC(ipaddrs2, nip * sizeof(*ipaddrs2));
1187 if (ipaddrs2 == NULL) {
1188 CERROR("Can't allocate ipaddrs[%d]\n", nip);
1191 memcpy(ipaddrs2, ipaddrs,
1192 nip * sizeof(*ipaddrs));
1193 *ipaddrsp = ipaddrs2;
1197 lnet_ipaddr_free_enumeration(ipaddrs, nif);
1203 lnet_parse_ip2nets (char **networksp, char *ip2nets)
1206 int nip = lnet_ipaddr_enumerate(&ipaddrs);
1210 LCONSOLE_ERROR_MSG(0x117, "Error %d enumerating local IP "
1211 "interfaces for ip2nets to match\n", nip);
1216 LCONSOLE_ERROR_MSG(0x118, "No local IP interfaces "
1217 "for ip2nets to match\n");
1221 rc = lnet_match_networks(networksp, ip2nets, ipaddrs, nip);
1222 lnet_ipaddr_free_enumeration(ipaddrs, nip);
1225 LCONSOLE_ERROR_MSG(0x119, "Error %d parsing ip2nets\n", rc);
1230 LCONSOLE_ERROR_MSG(0x11a, "ip2nets does not match "
1231 "any local IP interfaces\n");
1239 lnet_set_ip_niaddr (lnet_ni_t *ni)
1241 __u32 net = LNET_NIDNET(ni->ni_nid);
1250 /* Convenience for LNDs that use the IP address of a local interface as
1251 * the local address part of their NID */
1253 if (ni->ni_interfaces[0] != NULL) {
1255 CLASSERT (LNET_MAX_INTERFACES > 1);
1257 if (ni->ni_interfaces[1] != NULL) {
1258 CERROR("Net %s doesn't support multiple interfaces\n",
1259 libcfs_net2str(net));
1263 rc = libcfs_ipif_query(ni->ni_interfaces[0],
1264 &up, &ip, &netmask);
1266 CERROR("Net %s can't query interface %s: %d\n",
1267 libcfs_net2str(net), ni->ni_interfaces[0], rc);
1272 CERROR("Net %s can't use interface %s: it's down\n",
1273 libcfs_net2str(net), ni->ni_interfaces[0]);
1277 ni->ni_nid = LNET_MKNID(net, ip);
1281 n = libcfs_ipif_enumerate(&names);
1283 CERROR("Net %s can't enumerate interfaces: %d\n",
1284 libcfs_net2str(net), n);
1288 for (i = 0; i < n; i++) {
1289 if (!strcmp(names[i], "lo")) /* skip the loopback IF */
1292 rc = libcfs_ipif_query(names[i], &up, &ip, &netmask);
1295 CWARN("Net %s can't query interface %s: %d\n",
1296 libcfs_net2str(net), names[i], rc);
1301 CWARN("Net %s ignoring interface %s (down)\n",
1302 libcfs_net2str(net), names[i]);
1306 libcfs_ipif_free_enumeration(names, n);
1307 ni->ni_nid = LNET_MKNID(net, ip);
1311 CERROR("Net %s can't find any interfaces\n", libcfs_net2str(net));
1312 libcfs_ipif_free_enumeration(names, n);
1315 EXPORT_SYMBOL(lnet_set_ip_niaddr);