1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
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 typedef struct { /* tmp struct for parsing routes */
41 struct list_head ltb_list; /* stash on lists */
42 int ltb_size; /* allocated size */
43 char ltb_text[0]; /* text buffer */
46 static int lnet_tbnob = 0; /* track text buf allocation */
47 #define LNET_MAX_TEXTBUF_NOB (64<<10) /* bound allocation */
48 #define LNET_SINGLE_TEXTBUF_NOB (4<<10)
51 struct list_head lre_list; /* stash in a list */
52 int lre_min; /* min value */
53 int lre_max; /* max value */
54 int lre_stride; /* stride */
57 static int lnet_re_alloc = 0; /* track expr allocation */
60 lnet_syntax(char *name, char *str, int offset, int width)
62 static char dots[LNET_SINGLE_TEXTBUF_NOB];
63 static char dashes[LNET_SINGLE_TEXTBUF_NOB];
65 memset(dots, '.', sizeof(dots));
66 dots[sizeof(dots)-1] = 0;
67 memset(dashes, '-', sizeof(dashes));
68 dashes[sizeof(dashes)-1] = 0;
70 LCONSOLE_ERROR_MSG(0x10f, "Error parsing '%s=\"%s\"'\n", name, str);
71 LCONSOLE_ERROR_MSG(0x110, "here...........%.*s..%.*s|%.*s|\n",
72 (int)strlen(name), dots, offset, dots,
73 (width < 1) ? 0 : width - 1, dashes);
104 lnet_trimwhite(char *str)
108 while (lnet_iswhite(*str))
111 end = str + strlen(str);
113 if (!lnet_iswhite(end[-1]))
123 lnet_net_unique(__u32 net, struct list_head *nilist)
125 struct list_head *tmp;
128 list_for_each (tmp, nilist) {
129 ni = list_entry(tmp, lnet_ni_t, ni_list);
131 if (LNET_NIDNET(ni->ni_nid) == net)
139 lnet_new_ni(__u32 net, struct list_head *nilist)
143 if (!lnet_net_unique(net, nilist)) {
144 LCONSOLE_ERROR_MSG(0x111, "Duplicate network specified: %s\n",
145 libcfs_net2str(net));
149 LIBCFS_ALLOC(ni, sizeof(*ni));
151 CERROR("Out of memory creating network %s\n",
152 libcfs_net2str(net));
156 /* zero counters/flags, NULL pointers... */
157 memset(ni, 0, sizeof(*ni));
159 /* LND will fill in the address part of the NID */
160 ni->ni_nid = LNET_MKNID(net, 0);
161 CFS_INIT_LIST_HEAD(&ni->ni_txq);
163 list_add_tail(&ni->ni_list, nilist);
168 lnet_parse_networks(struct list_head *nilist, char *networks)
170 int tokensize = strlen(networks) + 1;
177 if (strlen(networks) > LNET_SINGLE_TEXTBUF_NOB) {
178 /* _WAY_ conservative */
179 LCONSOLE_ERROR_MSG(0x112, "Can't parse networks: string too "
184 LIBCFS_ALLOC(tokens, tokensize);
185 if (tokens == NULL) {
186 CERROR("Can't allocate net tokens\n");
190 the_lnet.ln_network_tokens = tokens;
191 the_lnet.ln_network_tokens_nob = tokensize;
192 memcpy (tokens, networks, tokensize);
195 /* Add in the loopback network */
196 ni = lnet_new_ni(LNET_MKNET(LOLND, 0), nilist);
200 while (str != NULL && *str != 0) {
201 char *comma = strchr(str, ',');
202 char *bracket = strchr(str, '(');
206 /* NB we don't check interface conflicts here; it's the LNDs
207 * responsibility (if it cares at all) */
209 if (bracket == NULL ||
210 (comma != NULL && comma < bracket)) {
212 /* no interface list specified */
216 net = libcfs_str2net(lnet_trimwhite(str));
218 if (net == LNET_NIDNET(LNET_NID_ANY)) {
219 lnet_syntax("networks", networks,
220 str - tokens, strlen(str));
221 LCONSOLE_ERROR_MSG(0x113, "Unrecognised network"
226 if (LNET_NETTYP(net) != LOLND && /* loopback is implicit */
227 lnet_new_ni(net, nilist) == NULL)
235 net = libcfs_str2net(lnet_trimwhite(str));
236 if (net == LNET_NIDNET(LNET_NID_ANY)) {
237 lnet_syntax("networks", networks,
238 str - tokens, strlen(str));
243 the_lnet.ln_ptlcompat > 0) {
244 LCONSOLE_ERROR_MSG(0x114, "Only 1 network supported when"
245 " 'portals_compatible' is set\n");
250 ni = lnet_new_ni(net, nilist);
257 bracket = strchr(iface, ')');
258 if (bracket == NULL) {
259 lnet_syntax("networks", networks,
260 iface - tokens, strlen(iface));
266 comma = strchr(iface, ',');
270 iface = lnet_trimwhite(iface);
272 lnet_syntax("networks", networks,
273 iface - tokens, strlen(iface));
277 if (niface == LNET_MAX_INTERFACES) {
278 LCONSOLE_ERROR_MSG(0x115, "Too many interfaces "
280 libcfs_net2str(net));
284 ni->ni_interfaces[niface++] = iface;
286 } while (iface != NULL);
289 comma = strchr(bracket + 1, ',');
292 str = lnet_trimwhite(str);
294 lnet_syntax("networks", networks,
295 str - tokens, strlen(str));
302 str = lnet_trimwhite(str);
304 lnet_syntax("networks", networks,
305 str - tokens, strlen(str));
310 LASSERT (!list_empty(nilist));
314 while (!list_empty(nilist)) {
315 ni = list_entry(nilist->next, lnet_ni_t, ni_list);
317 list_del(&ni->ni_list);
318 LIBCFS_FREE(ni, sizeof(*ni));
320 LIBCFS_FREE(tokens, tokensize);
321 the_lnet.ln_network_tokens = NULL;
327 lnet_new_text_buf (int str_len)
329 lnet_text_buf_t *ltb;
332 /* NB allocate space for the terminating 0 */
333 nob = offsetof(lnet_text_buf_t, ltb_text[str_len + 1]);
334 if (nob > LNET_SINGLE_TEXTBUF_NOB) {
335 /* _way_ conservative for "route net gateway..." */
336 CERROR("text buffer too big\n");
340 if (lnet_tbnob + nob > LNET_MAX_TEXTBUF_NOB) {
341 CERROR("Too many text buffers\n");
345 LIBCFS_ALLOC(ltb, nob);
350 ltb->ltb_text[0] = 0;
356 lnet_free_text_buf (lnet_text_buf_t *ltb)
358 lnet_tbnob -= ltb->ltb_size;
359 LIBCFS_FREE(ltb, ltb->ltb_size);
363 lnet_free_text_bufs(struct list_head *tbs)
365 lnet_text_buf_t *ltb;
367 while (!list_empty(tbs)) {
368 ltb = list_entry(tbs->next, lnet_text_buf_t, ltb_list);
370 list_del(<b->ltb_list);
371 lnet_free_text_buf(ltb);
376 lnet_print_text_bufs(struct list_head *tbs)
378 struct list_head *tmp;
379 lnet_text_buf_t *ltb;
381 list_for_each (tmp, tbs) {
382 ltb = list_entry(tmp, lnet_text_buf_t, ltb_list);
384 CDEBUG(D_WARNING, "%s\n", ltb->ltb_text);
387 CDEBUG(D_WARNING, "%d allocated\n", lnet_tbnob);
391 lnet_str2tbs_sep (struct list_head *tbs, char *str)
393 struct list_head pending;
397 lnet_text_buf_t *ltb;
399 CFS_INIT_LIST_HEAD(&pending);
401 /* Split 'str' into separate commands */
403 /* skip leading whitespace */
404 while (lnet_iswhite(*str))
407 /* scan for separator or comment */
408 for (sep = str; *sep != 0; sep++)
409 if (lnet_issep(*sep) || *sep == '#')
414 ltb = lnet_new_text_buf(nob);
416 lnet_free_text_bufs(&pending);
420 for (i = 0; i < nob; i++)
421 if (lnet_iswhite(str[i]))
422 ltb->ltb_text[i] = ' ';
424 ltb->ltb_text[i] = str[i];
426 ltb->ltb_text[nob] = 0;
428 list_add_tail(<b->ltb_list, &pending);
432 /* scan for separator */
435 } while (*sep != 0 && !lnet_issep(*sep));
444 list_splice(&pending, tbs->prev);
449 lnet_expand1tb (struct list_head *list,
450 char *str, char *sep1, char *sep2,
451 char *item, int itemlen)
453 int len1 = sep1 - str;
454 int len2 = strlen(sep2 + 1);
455 lnet_text_buf_t *ltb;
457 LASSERT (*sep1 == '[');
458 LASSERT (*sep2 == ']');
460 ltb = lnet_new_text_buf(len1 + itemlen + len2);
464 memcpy(ltb->ltb_text, str, len1);
465 memcpy(<b->ltb_text[len1], item, itemlen);
466 memcpy(<b->ltb_text[len1+itemlen], sep2 + 1, len2);
467 ltb->ltb_text[len1 + itemlen + len2] = 0;
469 list_add_tail(<b->ltb_list, list);
474 lnet_str2tbs_expand (struct list_head *tbs, char *str)
477 struct list_head pending;
489 CFS_INIT_LIST_HEAD(&pending);
491 sep = strchr(str, '[');
492 if (sep == NULL) /* nothing to expand */
495 sep2 = strchr(sep, ']');
499 for (parsed = sep; parsed < sep2; parsed = enditem) {
502 while (enditem < sep2 && *enditem != ',')
505 if (enditem == parsed) /* no empty items */
508 if (sscanf(parsed, "%d-%d/%d%n", &lo, &hi, &stride, &scanned) < 3) {
510 if (sscanf(parsed, "%d-%d%n", &lo, &hi, &scanned) < 2) {
512 /* simple string enumeration */
513 if (lnet_expand1tb(&pending, str, sep, sep2,
514 parsed, enditem - parsed) != 0)
523 /* range expansion */
525 if (enditem != parsed + scanned) /* no trailing junk */
528 if (hi < 0 || lo < 0 || stride < 0 || hi < lo ||
529 (hi - lo) % stride != 0)
532 for (i = lo; i <= hi; i += stride) {
534 snprintf(num, sizeof(num), "%d", i);
536 if (nob + 1 == sizeof(num))
539 if (lnet_expand1tb(&pending, str, sep, sep2,
545 list_splice(&pending, tbs->prev);
549 lnet_free_text_bufs(&pending);
554 lnet_parse_hops (char *str, unsigned int *hops)
556 int len = strlen(str);
559 return (sscanf(str, "%u%n", hops, &nob) >= 1 &&
561 *hops > 0 && *hops < 256);
566 lnet_parse_route (char *str, int *im_a_router)
568 /* static scratch buffer OK (single threaded) */
569 static char cmd[LNET_SINGLE_TEXTBUF_NOB];
571 struct list_head nets;
572 struct list_head gateways;
573 struct list_head *tmp1;
574 struct list_head *tmp2;
577 lnet_text_buf_t *ltb;
586 CFS_INIT_LIST_HEAD(&gateways);
587 CFS_INIT_LIST_HEAD(&nets);
589 /* save a copy of the string for error messages */
590 strncpy(cmd, str, sizeof(cmd) - 1);
591 cmd[sizeof(cmd) - 1] = 0;
595 /* scan for token start */
596 while (lnet_iswhite(*sep))
599 if (ntokens < (got_hops ? 3 : 2))
607 /* scan for token end */
608 while (*sep != 0 && !lnet_iswhite(*sep))
614 tmp2 = &nets; /* expanding nets */
615 } else if (ntokens == 2 &&
616 lnet_parse_hops(token, &hops)) {
617 got_hops = 1; /* got a hop count */
620 tmp2 = &gateways; /* expanding gateways */
623 ltb = lnet_new_text_buf(strlen(token));
627 strcpy(ltb->ltb_text, token);
628 tmp1 = <b->ltb_list;
629 list_add_tail(tmp1, tmp2);
631 while (tmp1 != tmp2) {
632 ltb = list_entry(tmp1, lnet_text_buf_t, ltb_list);
634 rc = lnet_str2tbs_expand(tmp1->next, ltb->ltb_text);
640 if (rc > 0) { /* expanded! */
641 list_del(<b->ltb_list);
642 lnet_free_text_buf(ltb);
647 net = libcfs_str2net(ltb->ltb_text);
648 if (net == LNET_NIDNET(LNET_NID_ANY) ||
649 LNET_NETTYP(net) == LOLND)
652 nid = libcfs_str2nid(ltb->ltb_text);
653 if (nid == LNET_NID_ANY ||
654 LNET_NETTYP(LNET_NIDNET(nid)) == LOLND)
663 LASSERT (!list_empty(&nets));
664 LASSERT (!list_empty(&gateways));
666 list_for_each (tmp1, &nets) {
667 ltb = list_entry(tmp1, lnet_text_buf_t, ltb_list);
668 net = libcfs_str2net(ltb->ltb_text);
669 LASSERT (net != LNET_NIDNET(LNET_NID_ANY));
671 list_for_each (tmp2, &gateways) {
672 ltb = list_entry(tmp2, lnet_text_buf_t, ltb_list);
673 nid = libcfs_str2nid(ltb->ltb_text);
674 LASSERT (nid != LNET_NID_ANY);
676 if (lnet_islocalnid(nid)) {
681 rc = lnet_add_route (net, hops, nid);
683 CERROR("Can't create route "
686 libcfs_nid2str(nid));
696 lnet_syntax("routes", cmd, token - str, strlen(token));
698 lnet_free_text_bufs(&nets);
699 lnet_free_text_bufs(&gateways);
704 lnet_parse_route_tbs(struct list_head *tbs, int *im_a_router)
706 lnet_text_buf_t *ltb;
708 while (!list_empty(tbs)) {
709 ltb = list_entry(tbs->next, lnet_text_buf_t, ltb_list);
711 if (lnet_parse_route(ltb->ltb_text, im_a_router) < 0) {
712 lnet_free_text_bufs(tbs);
716 list_del(<b->ltb_list);
717 lnet_free_text_buf(ltb);
724 lnet_parse_routes (char *routes, int *im_a_router)
726 struct list_head tbs;
731 if (the_lnet.ln_ptlcompat > 0 &&
733 /* Can't route when running in compatibility mode */
734 LCONSOLE_ERROR_MSG(0x116, "Route tables are not supported when "
735 "'portals_compatible' is set\n");
739 CFS_INIT_LIST_HEAD(&tbs);
741 if (lnet_str2tbs_sep(&tbs, routes) < 0) {
742 CERROR("Error parsing routes\n");
745 rc = lnet_parse_route_tbs(&tbs, im_a_router);
748 LASSERT (lnet_tbnob == 0);
753 lnet_print_range_exprs(struct list_head *exprs)
756 lnet_range_expr_t *lre;
758 list_for_each(e, exprs) {
759 lre = list_entry(exprs->next, lnet_range_expr_t, lre_list);
761 CDEBUG(D_WARNING, "%d-%d/%d\n",
762 lre->lre_min, lre->lre_max, lre->lre_stride);
765 CDEBUG(D_WARNING, "%d allocated\n", lnet_re_alloc);
769 lnet_new_range_expr(struct list_head *exprs, int min, int max, int stride)
771 lnet_range_expr_t *lre;
773 CDEBUG(D_NET, "%d-%d/%d\n", min, max, stride);
775 if (min < 0 || min > 255 || min > max || stride < 0)
778 LIBCFS_ALLOC(lre, sizeof(*lre));
786 lre->lre_stride = stride;
788 list_add(&lre->lre_list, exprs);
793 lnet_destroy_range_exprs(struct list_head *exprs)
795 lnet_range_expr_t *lre;
797 while (!list_empty(exprs)) {
798 lre = list_entry(exprs->next, lnet_range_expr_t, lre_list);
800 list_del(&lre->lre_list);
801 LIBCFS_FREE(lre, sizeof(*lre));
807 lnet_parse_range_expr(struct list_head *exprs, char *str)
809 int nob = strlen(str);
820 if (!strcmp(str, "*")) /* match all */
821 return lnet_new_range_expr(exprs, 0, 255, 1);
824 if (sscanf(str, "%u%n", &x, &n) >= 1 && n == nob) {
826 return lnet_new_range_expr(exprs, x, x, 1);
829 /* Has to be an expansion */
830 if (!(str[0] == '[' && nob > 2 && str[nob-1] == ']'))
838 /* Comma separated list of expressions... */
839 sep = strchr(str, ',');
845 if (sscanf(str, "%u%n", &x, &n) >= 1 && n == nob) {
847 rc = lnet_new_range_expr(exprs, x, x, 1);
855 if (sscanf(str, "%u-%u%n", &x, &y, &n) >= 2 && n == nob) {
857 rc = lnet_new_range_expr(exprs, x, y, 1);
864 if (sscanf(str, "%u-%u/%u%n", &x, &y, &z, &n) >= 3 && n == nob) {
866 rc = lnet_new_range_expr(exprs, x, y, z);
874 } while ((str = sep) != NULL);
880 lnet_match_network_token(char *token, __u32 *ipaddrs, int nip)
882 struct list_head exprs[4];
884 lnet_range_expr_t *re;
893 for (i = 0; i < 4; i++)
894 CFS_INIT_LIST_HEAD(&exprs[i]);
896 for (i = 0; i < 4; i++) {
899 token = strchr(token, '.');
907 rc = lnet_parse_range_expr(&exprs[i], str);
914 for (match = i = 0; !match && i < nip; i++) {
917 for (match = 1, j = 0; match && j < 4; j++) {
918 n = (ip >> (8 * (3 - j))) & 0xff;
921 list_for_each(e, &exprs[j]) {
922 re = list_entry(e, lnet_range_expr_t, lre_list);
924 if (re->lre_min <= n &&
926 (n - re->lre_min) % re->lre_stride == 0) {
937 for (i = 0; i < 4; i++)
938 lnet_destroy_range_exprs(&exprs[i]);
939 LASSERT (lnet_re_alloc == 0);
945 lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
947 static char tokens[LNET_SINGLE_TEXTBUF_NOB];
957 LASSERT (strlen(net_entry) < sizeof(tokens));
959 /* work on a copy of the string */
960 strcpy(tokens, net_entry);
963 /* scan for token start */
964 while (lnet_iswhite(*sep))
971 /* scan for token end */
972 while (*sep != 0 && !lnet_iswhite(*sep))
977 if (ntokens++ == 0) {
984 rc = lnet_match_network_token(token, ipaddrs, nip);
986 lnet_syntax("ip2nets", net_entry,
987 token - tokens, len);
991 matched |= (rc != 0);
997 strcpy(net_entry, net); /* replace with matched net */
1002 lnet_netspec2net(char *netspec)
1004 char *bracket = strchr(netspec, '(');
1007 if (bracket != NULL)
1010 net = libcfs_str2net(netspec);
1012 if (bracket != NULL)
1019 lnet_splitnets(char *source, struct list_head *nets)
1024 lnet_text_buf_t *tb;
1025 lnet_text_buf_t *tb2;
1026 struct list_head *t;
1031 LASSERT (!list_empty(nets));
1032 LASSERT (nets->next == nets->prev); /* single entry */
1034 tb = list_entry(nets->next, lnet_text_buf_t, ltb_list);
1037 sep = strchr(tb->ltb_text, ',');
1038 bracket = strchr(tb->ltb_text, '(');
1043 /* netspec lists interfaces... */
1045 offset2 = offset + (bracket - tb->ltb_text);
1046 len = strlen(bracket);
1048 bracket = strchr(bracket + 1, ')');
1050 if (bracket == NULL ||
1051 !(bracket[1] == ',' || bracket[1] == 0)) {
1052 lnet_syntax("ip2nets", source, offset2, len);
1056 sep = (bracket[1] == 0) ? NULL : bracket + 1;
1062 net = lnet_netspec2net(tb->ltb_text);
1063 if (net == LNET_NIDNET(LNET_NID_ANY)) {
1064 lnet_syntax("ip2nets", source, offset,
1065 strlen(tb->ltb_text));
1069 list_for_each(t, nets) {
1070 tb2 = list_entry(t, lnet_text_buf_t, ltb_list);
1075 if (net == lnet_netspec2net(tb2->ltb_text)) {
1076 /* duplicate network */
1077 lnet_syntax("ip2nets", source, offset,
1078 strlen(tb->ltb_text));
1086 offset += sep - tb->ltb_text;
1087 tb2 = lnet_new_text_buf(strlen(sep));
1091 strcpy(tb2->ltb_text, sep);
1092 list_add_tail(&tb2->ltb_list, nets);
1099 lnet_match_networks (char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
1101 static char networks[LNET_SINGLE_TEXTBUF_NOB];
1102 static char source[LNET_SINGLE_TEXTBUF_NOB];
1104 struct list_head raw_entries;
1105 struct list_head matched_nets;
1106 struct list_head current_nets;
1107 struct list_head *t;
1108 struct list_head *t2;
1109 lnet_text_buf_t *tb;
1110 lnet_text_buf_t *tb2;
1118 CFS_INIT_LIST_HEAD(&raw_entries);
1119 if (lnet_str2tbs_sep(&raw_entries, ip2nets) < 0) {
1120 CERROR("Error parsing ip2nets\n");
1121 LASSERT (lnet_tbnob == 0);
1125 CFS_INIT_LIST_HEAD(&matched_nets);
1126 CFS_INIT_LIST_HEAD(¤t_nets);
1132 while (!list_empty(&raw_entries)) {
1133 tb = list_entry(raw_entries.next, lnet_text_buf_t, ltb_list);
1135 strncpy(source, tb->ltb_text, sizeof(source)-1);
1136 source[sizeof(source)-1] = 0;
1138 /* replace ltb_text with the network(s) add on match */
1139 rc = lnet_match_network_tokens(tb->ltb_text, ipaddrs, nip);
1143 list_del(&tb->ltb_list);
1145 if (rc == 0) { /* no match */
1146 lnet_free_text_buf(tb);
1150 /* split into separate networks */
1151 CFS_INIT_LIST_HEAD(¤t_nets);
1152 list_add(&tb->ltb_list, ¤t_nets);
1153 rc = lnet_splitnets(source, ¤t_nets);
1158 list_for_each (t, ¤t_nets) {
1159 tb = list_entry(t, lnet_text_buf_t, ltb_list);
1160 net1 = lnet_netspec2net(tb->ltb_text);
1161 LASSERT (net1 != LNET_NIDNET(LNET_NID_ANY));
1163 list_for_each(t2, &matched_nets) {
1164 tb2 = list_entry(t2, lnet_text_buf_t, ltb_list);
1165 net2 = lnet_netspec2net(tb2->ltb_text);
1166 LASSERT (net2 != LNET_NIDNET(LNET_NID_ANY));
1179 lnet_free_text_bufs(¤t_nets);
1183 list_for_each_safe(t, t2, ¤t_nets) {
1184 tb = list_entry(t, lnet_text_buf_t, ltb_list);
1186 list_del(&tb->ltb_list);
1187 list_add_tail(&tb->ltb_list, &matched_nets);
1189 len += snprintf(networks + len, sizeof(networks) - len,
1190 "%s%s", (len == 0) ? "" : ",",
1193 if (len >= sizeof(networks)) {
1194 CERROR("Too many matched networks\n");
1204 lnet_free_text_bufs(&raw_entries);
1205 lnet_free_text_bufs(&matched_nets);
1206 lnet_free_text_bufs(¤t_nets);
1207 LASSERT (lnet_tbnob == 0);
1212 *networksp = networks;
1218 lnet_ipaddr_free_enumeration(__u32 *ipaddrs, int nip)
1220 LIBCFS_FREE(ipaddrs, nip * sizeof(*ipaddrs));
1224 lnet_ipaddr_enumerate (__u32 **ipaddrsp)
1232 int nif = libcfs_ipif_enumerate(&ifnames);
1239 LIBCFS_ALLOC(ipaddrs, nif * sizeof(*ipaddrs));
1240 if (ipaddrs == NULL) {
1241 CERROR("Can't allocate ipaddrs[%d]\n", nif);
1242 libcfs_ipif_free_enumeration(ifnames, nif);
1246 for (i = nip = 0; i < nif; i++) {
1247 if (!strcmp(ifnames[i], "lo"))
1250 rc = libcfs_ipif_query(ifnames[i], &up,
1251 &ipaddrs[nip], &netmask);
1253 CWARN("Can't query interface %s: %d\n",
1259 CWARN("Ignoring interface %s: it's down\n",
1267 libcfs_ipif_free_enumeration(ifnames, nif);
1270 *ipaddrsp = ipaddrs;
1273 LIBCFS_ALLOC(ipaddrs2, nip * sizeof(*ipaddrs2));
1274 if (ipaddrs2 == NULL) {
1275 CERROR("Can't allocate ipaddrs[%d]\n", nip);
1278 memcpy(ipaddrs2, ipaddrs,
1279 nip * sizeof(*ipaddrs));
1280 *ipaddrsp = ipaddrs2;
1284 lnet_ipaddr_free_enumeration(ipaddrs, nif);
1290 lnet_parse_ip2nets (char **networksp, char *ip2nets)
1293 int nip = lnet_ipaddr_enumerate(&ipaddrs);
1297 LCONSOLE_ERROR_MSG(0x117, "Error %d enumerating local IP "
1298 "interfaces for ip2nets to match\n", nip);
1303 LCONSOLE_ERROR_MSG(0x118, "No local IP interfaces "
1304 "for ip2nets to match\n");
1308 rc = lnet_match_networks(networksp, ip2nets, ipaddrs, nip);
1309 lnet_ipaddr_free_enumeration(ipaddrs, nip);
1312 LCONSOLE_ERROR_MSG(0x119, "Error %d parsing ip2nets\n", rc);
1317 LCONSOLE_ERROR_MSG(0x11a, "ip2nets does not match "
1318 "any local IP interfaces\n");
1326 lnet_set_ip_niaddr (lnet_ni_t *ni)
1328 __u32 net = LNET_NIDNET(ni->ni_nid);
1337 /* Convenience for LNDs that use the IP address of a local interface as
1338 * the local address part of their NID */
1340 if (ni->ni_interfaces[0] != NULL) {
1342 CLASSERT (LNET_MAX_INTERFACES > 1);
1344 if (ni->ni_interfaces[1] != NULL) {
1345 CERROR("Net %s doesn't support multiple interfaces\n",
1346 libcfs_net2str(net));
1350 rc = libcfs_ipif_query(ni->ni_interfaces[0],
1351 &up, &ip, &netmask);
1353 CERROR("Net %s can't query interface %s: %d\n",
1354 libcfs_net2str(net), ni->ni_interfaces[0], rc);
1359 CERROR("Net %s can't use interface %s: it's down\n",
1360 libcfs_net2str(net), ni->ni_interfaces[0]);
1364 ni->ni_nid = LNET_MKNID(net, ip);
1368 n = libcfs_ipif_enumerate(&names);
1370 CERROR("Net %s can't enumerate interfaces: %d\n",
1371 libcfs_net2str(net), n);
1375 for (i = 0; i < n; i++) {
1376 if (!strcmp(names[i], "lo")) /* skip the loopback IF */
1379 rc = libcfs_ipif_query(names[i], &up, &ip, &netmask);
1382 CWARN("Net %s can't query interface %s: %d\n",
1383 libcfs_net2str(net), names[i], rc);
1388 CWARN("Net %s ignoring interface %s (down)\n",
1389 libcfs_net2str(net), names[i]);
1393 libcfs_ipif_free_enumeration(names, n);
1394 ni->ni_nid = LNET_MKNID(net, ip);
1398 CERROR("Net %s can't find any interfaces\n", libcfs_net2str(net));
1399 libcfs_ipif_free_enumeration(names, n);
1402 EXPORT_SYMBOL(lnet_set_ip_niaddr);