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 Lesser General Public License as
8 * published by the Free Software Foundation; either version 2.1 of the
9 * License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
21 * Copyright (c) 2014, 2017, Intel Corporation.
24 * Amir Shehata <amir.shehata@intel.com>
29 * 1. APIs that take the actual parameters expanded. This is for other
30 * entities that would like to link against the library and call the APIs
31 * directly without having to form an intermediate representation.
32 * 2. APIs that take a YAML file and parses out the information there and
33 * calls the APIs mentioned in 1
44 #include <sys/ioctl.h>
46 #include <libcfs/util/ioctl.h>
47 #include <linux/lnet/lnetctl.h>
49 #include <sys/types.h>
53 #include <rdma/rdma_user_cm.h>
54 #include "liblnetconfig.h"
56 #include <libcfs/util/param.h>
58 #ifndef HAVE_USRSPC_RDMA_PS_TCP
59 #define RDMA_PS_TCP 0x0106
62 const char *gmsg_stat_names[] = {"sent_stats", "received_stats",
66 * lustre_lnet_ip_range_descr
67 * Describes an IP range.
68 * Each octect is an expression
70 struct lustre_lnet_ip_range_descr {
71 struct list_head ipr_entry;
72 struct list_head ipr_expr;
77 * Describes an ip2nets rule. This can be on a list of rules.
79 struct lustre_lnet_ip2nets {
80 struct lnet_dlc_network_descr ip2nets_net;
81 struct list_head ip2nets_ip_ranges;
84 int open_sysfs_file(const char *path, const char *attr, const int mode)
87 char filename[LNET_MAX_STR_LEN];
89 if (strlen(path) + strlen(attr) >= LNET_MAX_STR_LEN)
92 snprintf(filename, sizeof(filename), "%s%s",
95 fd = open(filename, mode);
100 static int read_sysfs_file(const char *path, const char *attr,
101 void *val, const size_t size, const int nelem)
104 int rc = LUSTRE_CFG_RC_GENERIC_ERR;
106 fd = open_sysfs_file(path, attr, O_RDONLY);
108 return LUSTRE_CFG_RC_NO_MATCH;
110 if (read(fd, val, size * nelem) == -1)
113 rc = LUSTRE_CFG_RC_NO_ERR;
120 static int write_sysfs_file(const char *path, const char *attr,
121 void *val, const size_t size, const int nelem)
124 int rc = LUSTRE_CFG_RC_GENERIC_ERR;
126 fd = open_sysfs_file(path, attr, O_WRONLY | O_TRUNC);
128 return LUSTRE_CFG_RC_NO_MATCH;
130 if (write(fd, val, size * nelem) == -1)
133 rc = LUSTRE_CFG_RC_NO_ERR;
142 * frees the memory allocated for an intf descriptor.
144 void free_intf_descr(struct lnet_dlc_intf_descr *intf_descr)
149 if (intf_descr->cpt_expr != NULL)
150 cfs_expr_list_free(intf_descr->cpt_expr);
155 * lustre_lnet_add_ip_range
157 * given a string of the format:
158 * <expr.expr.expr.expr> parse each expr into
159 * a lustre_lnet_ip_range_descr structure and insert on the list.
161 * This function is called from
162 * YAML on each ip-range.
163 * As a result of lnetctl command
164 * When building a NID or P2P selection rules
166 int lustre_lnet_add_ip_range(struct list_head *list, char *str_ip_range)
168 struct lustre_lnet_ip_range_descr *ip_range;
171 ip_range = calloc(1, sizeof(*ip_range));
172 if (ip_range == NULL)
173 return LUSTRE_CFG_RC_OUT_OF_MEM;
175 INIT_LIST_HEAD(&ip_range->ipr_entry);
176 INIT_LIST_HEAD(&ip_range->ipr_expr);
178 rc = cfs_ip_addr_parse(str_ip_range, strlen(str_ip_range),
179 &ip_range->ipr_expr);
181 return LUSTRE_CFG_RC_BAD_PARAM;
183 list_add_tail(&ip_range->ipr_entry, list);
185 return LUSTRE_CFG_RC_NO_ERR;
188 int lustre_lnet_add_intf_descr(struct list_head *list, char *intf, int len)
190 char *open_sq_bracket = NULL, *close_sq_bracket = NULL,
192 struct lnet_dlc_intf_descr *intf_descr = NULL;
194 char intf_string[LNET_MAX_STR_LEN];
196 if (len >= LNET_MAX_STR_LEN)
197 return LUSTRE_CFG_RC_BAD_PARAM;
199 strncpy(intf_string, intf, len);
200 intf_string[len] = '\0';
202 intf_descr = calloc(1, sizeof(*intf_descr));
203 if (intf_descr == NULL)
204 return LUSTRE_CFG_RC_OUT_OF_MEM;
206 INIT_LIST_HEAD(&intf_descr->intf_on_network);
208 intf_name = intf_string;
209 open_sq_bracket = strchr(intf_string, '[');
210 if (open_sq_bracket != NULL) {
211 close_sq_bracket = strchr(intf_string, ']');
212 if (close_sq_bracket == NULL) {
214 return LUSTRE_CFG_RC_BAD_PARAM;
216 rc = cfs_expr_list_parse(open_sq_bracket,
217 strlen(open_sq_bracket), 0, UINT_MAX,
218 &intf_descr->cpt_expr);
221 return LUSTRE_CFG_RC_BAD_PARAM;
223 strncpy(intf_descr->intf_name, intf_name,
224 open_sq_bracket - intf_name);
225 intf_descr->intf_name[open_sq_bracket - intf_name] = '\0';
227 strcpy(intf_descr->intf_name, intf_name);
228 intf_descr->cpt_expr = NULL;
231 list_add_tail(&intf_descr->intf_on_network, list);
233 return LUSTRE_CFG_RC_NO_ERR;
236 void lustre_lnet_init_nw_descr(struct lnet_dlc_network_descr *nw_descr)
238 if (nw_descr != NULL) {
240 INIT_LIST_HEAD(&nw_descr->network_on_rule);
241 INIT_LIST_HEAD(&nw_descr->nw_intflist);
245 int lustre_lnet_parse_nidstr(char *nidstr, lnet_nid_t *lnet_nidlist,
246 int max_nids, char *err_str)
248 int rc, num_nids = 0;
249 struct list_head nidlist;
252 snprintf(err_str, LNET_MAX_STR_LEN, "supplied nidstr is NULL");
253 return LUSTRE_CFG_RC_BAD_PARAM;
256 if (strchr(nidstr, '*')) {
257 snprintf(err_str, LNET_MAX_STR_LEN,
258 "asterisk not allowed in nidstring \"%s\"", nidstr);
259 return LUSTRE_CFG_RC_BAD_PARAM;
262 INIT_LIST_HEAD(&nidlist);
263 rc = cfs_parse_nidlist(nidstr, strlen(nidstr), &nidlist);
265 snprintf(err_str, LNET_MAX_STR_LEN,
266 "Unable to parse nidlist from: %s\n", nidstr);
267 return LUSTRE_CFG_RC_BAD_PARAM;
270 if (list_empty(&nidlist)) {
271 snprintf(err_str, LNET_MAX_STR_LEN,
272 "\"%s\" does not specify any valid nid lists", nidstr);
273 return LUSTRE_CFG_RC_BAD_PARAM;
276 num_nids = cfs_expand_nidlist(&nidlist, lnet_nidlist, max_nids);
277 cfs_free_nidlist(&nidlist);
279 if (num_nids == -1) {
280 snprintf(err_str, LNET_MAX_STR_LEN,
281 "\"%s\" specifies more than the %d NIDs allowed by this operation.",
283 return LUSTRE_CFG_RC_BAD_PARAM;
287 snprintf(err_str, LNET_MAX_STR_LEN,
288 "Failed to expand nidstr: %s", strerror(num_nids));
289 return LUSTRE_CFG_RC_OUT_OF_MEM;
293 snprintf(err_str, LNET_MAX_STR_LEN,
294 "\"%s\" did not expand to any nids", nidstr);
295 return LUSTRE_CFG_RC_BAD_PARAM;
303 * <intf>[<expr>], <intf>[<expr>],..
305 int lustre_lnet_parse_interfaces(char *intf_str,
306 struct lnet_dlc_network_descr *nw_descr)
311 char *cur = intf_str, *next = NULL;
312 char *end = intf_str + strlen(intf_str);
314 struct lnet_dlc_intf_descr *intf_descr, *tmp;
316 if (nw_descr == NULL)
317 return LUSTRE_CFG_RC_BAD_PARAM;
320 open_square = strchr(cur, '[');
321 if (open_square != NULL) {
322 close_square = strchr(cur, ']');
323 if (close_square == NULL) {
324 rc = LUSTRE_CFG_RC_BAD_PARAM;
328 comma = strchr(cur, ',');
329 if (comma != NULL && comma > close_square) {
331 len = next - close_square;
337 comma = strchr(cur, ',');
347 rc = lustre_lnet_add_intf_descr(&nw_descr->nw_intflist, cur, len);
348 if (rc != LUSTRE_CFG_RC_NO_ERR)
354 return LUSTRE_CFG_RC_NO_ERR;
357 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
359 list_del(&intf_descr->intf_on_network);
360 free_intf_descr(intf_descr);
366 int lustre_lnet_config_lib_init(void)
368 return register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH);
371 void lustre_lnet_config_lib_uninit(void)
373 unregister_ioc_dev(LNET_DEV_ID);
376 int lustre_lnet_config_ni_system(bool up, bool load_ni_from_mod,
377 int seq_no, struct cYAML **err_rc)
379 struct libcfs_ioctl_data data;
382 char err_str[LNET_MAX_STR_LEN] = "\"Success\"";
384 LIBCFS_IOC_INIT(data);
386 /* Reverse logic is used here in order not to change
387 * the lctl utility */
388 data.ioc_flags = load_ni_from_mod ? 0 : 1;
390 opc = up ? IOC_LIBCFS_CONFIGURE : IOC_LIBCFS_UNCONFIGURE;
392 rc = l_ioctl(LNET_DEV_ID, opc, &data);
396 "\"LNet %s error: %s\"", (up) ? "configure" :
397 "unconfigure", strerror(errno));
401 cYAML_build_error(rc, seq_no, (up) ? CONFIG_CMD : UNCONFIG_CMD,
402 "lnet", err_str, err_rc);
407 static int dispatch_peer_ni_cmd(__u32 cmd, struct lnet_ioctl_peer_cfg *data,
408 char *err_str, char *cmd_str)
412 rc = l_ioctl(LNET_DEV_ID, cmd, data);
415 snprintf(err_str, LNET_MAX_STR_LEN,
416 "\"%s peer ni operation failed: %s\"",
417 cmd_str, strerror(errno));
423 static int infra_ping_nid(char *ping_nids, char *oper, int param, int ioc_call,
424 int seq_no, struct cYAML **show_rc,
425 struct cYAML **err_rc)
428 struct lnet_ioctl_ping_data ping;
429 struct cYAML *root = NULL, *ping_node = NULL, *item = NULL,
430 *first_seq = NULL, *tmp = NULL, *peer_ni = NULL;
431 struct lnet_process_id id;
432 char err_str[LNET_MAX_STR_LEN] = {0};
433 char *sep, *token, *end;
436 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
440 len = (sizeof(struct lnet_process_id) * LNET_INTERFACES_MAX_DEFAULT);
442 data = calloc(1, len);
446 /* create struct cYAML root object */
447 root = cYAML_create_object(NULL, NULL);
451 ping_node = cYAML_create_seq(root, oper);
452 if (ping_node == NULL)
455 /* tokenise each nid in string ping_nids */
456 token = strtok(ping_nids, ",");
459 item = cYAML_create_seq_item(ping_node);
463 if (first_seq == NULL)
466 /* check if '-' is a part of NID, token */
467 sep = strchr(token, '-');
469 id.pid = LNET_PID_ANY;
470 /* if no net is specified, libcfs_str2nid() will assume tcp */
471 id.nid = libcfs_str2nid(token);
472 if (id.nid == LNET_NID_ANY) {
473 snprintf(err_str, sizeof(err_str),
474 "\"cannot parse NID '%s'\"",
476 rc = LUSTRE_CFG_RC_BAD_PARAM;
477 cYAML_build_error(rc, seq_no, MANAGE_CMD,
478 oper, err_str, err_rc);
482 if (token[0] == 'u' || token[0] == 'U')
483 id.pid = (strtoul(&token[1], &end, 0) |
484 (LNET_PID_USERFLAG));
486 id.pid = strtoul(token, &end, 0);
488 /* assuming '-' is part of hostname */
490 id.pid = LNET_PID_ANY;
491 id.nid = libcfs_str2nid(token);
492 if (id.nid == LNET_NID_ANY) {
493 snprintf(err_str, sizeof(err_str),
494 "\"cannot parse NID '%s'\"",
496 rc = LUSTRE_CFG_RC_BAD_PARAM;
497 cYAML_build_error(rc, seq_no, MANAGE_CMD,
503 id.nid = libcfs_str2nid(sep + 1);
504 if (id.nid == LNET_NID_ANY) {
505 snprintf(err_str, sizeof(err_str),
506 "\"cannot parse NID '%s'\"",
508 rc = LUSTRE_CFG_RC_BAD_PARAM;
509 cYAML_build_error(rc, seq_no, MANAGE_CMD,
516 LIBCFS_IOC_INIT_V2(ping, ping_hdr);
517 ping.ping_hdr.ioc_len = sizeof(ping);
519 ping.op_param = param;
520 ping.ping_count = LNET_INTERFACES_MAX_DEFAULT;
521 ping.ping_buf = data;
523 rc = l_ioctl(LNET_DEV_ID, ioc_call, &ping);
526 sizeof(err_str), "failed to %s %s: %s\n", oper,
527 id.pid == LNET_PID_ANY ?
528 libcfs_nid2str(id.nid) :
529 libcfs_id2str(id), strerror(errno));
530 rc = LUSTRE_CFG_RC_BAD_PARAM;
531 cYAML_build_error(rc, seq_no, MANAGE_CMD,
532 oper, err_str, err_rc);
536 if (cYAML_create_string(item, "primary nid",
537 libcfs_nid2str(ping.ping_id.nid)) == NULL)
540 if (cYAML_create_string(item, "Multi-Rail", ping.mr_info ?
541 "True" : "False") == NULL)
544 tmp = cYAML_create_seq(item, "peer ni");
548 for (i = 0; i < ping.ping_count; i++) {
549 if (ping.ping_buf[i].nid == LNET_NID_LO_0)
551 peer_ni = cYAML_create_seq_item(tmp);
554 memset(buf, 0, sizeof buf);
555 snprintf(buf, sizeof buf, "nid");
556 if (cYAML_create_string(peer_ni, buf,
557 libcfs_nid2str(ping.ping_buf[i].nid)) == NULL)
563 } while ((token = strtok(NULL, ",")) != NULL);
566 rc = LUSTRE_CFG_RC_NO_ERR;
571 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
572 cYAML_free_tree(root);
573 } else if (show_rc != NULL && *show_rc != NULL) {
574 struct cYAML *show_node;
575 show_node = cYAML_get_object_item(*show_rc, oper);
576 if (show_node != NULL && cYAML_is_sequence(show_node)) {
577 cYAML_insert_child(show_node, first_seq);
580 } else if (show_node == NULL) {
581 cYAML_insert_sibling((*show_rc)->cy_child,
585 cYAML_free_tree(root);
594 int lustre_lnet_ping_nid(char *ping_nids, int timeout, int seq_no,
595 struct cYAML **show_rc, struct cYAML **err_rc)
599 rc = infra_ping_nid(ping_nids, "ping", timeout, IOC_LIBCFS_PING_PEER,
600 seq_no, show_rc, err_rc);
604 int lustre_lnet_discover_nid(char *ping_nids, int force, int seq_no,
605 struct cYAML **show_rc, struct cYAML **err_rc)
609 rc = infra_ping_nid(ping_nids, "discover", force, IOC_LIBCFS_DISCOVER,
610 seq_no, show_rc, err_rc);
614 static int lustre_lnet_handle_peer_nidlist(lnet_nid_t *nidlist, int num_nids,
615 bool is_mr, __u32 cmd,
616 char *cmd_type, char *err_str)
618 struct lnet_ioctl_peer_cfg data;
621 if (cmd == IOC_LIBCFS_ADD_PEER_NI) {
622 /* When adding a peer we first need to create the peer using the
623 * specified (or implied) primary nid. Then we can add
624 * additional nids to this peer using the primary nid as a key
626 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
627 data.prcfg_mr = is_mr;
628 data.prcfg_prim_nid = nidlist[0];
629 data.prcfg_cfg_nid = LNET_NID_ANY;
631 rc = dispatch_peer_ni_cmd(cmd, &data, err_str, cmd_type);
637 /* Add or delete any specified NIs associated with the specified
638 * (or implied) primary nid
640 for (nid_idx = 1; nid_idx < num_nids; nid_idx++) {
641 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
642 data.prcfg_mr = is_mr;
643 data.prcfg_prim_nid = nidlist[0];
644 data.prcfg_cfg_nid = nidlist[nid_idx];
646 rc = dispatch_peer_ni_cmd(cmd, &data, err_str, cmd_type);
652 if (cmd == IOC_LIBCFS_DEL_PEER_NI && num_nids == 1) {
653 /* In the delete case we may have been given just the
654 * primary nid of the peer. This tells us to delete the peer
655 * completely (rather than just delete some of its NIs)
657 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
658 data.prcfg_prim_nid = nidlist[0];
659 data.prcfg_cfg_nid = LNET_NID_ANY;
661 rc = dispatch_peer_ni_cmd(cmd, &data, err_str, cmd_type);
668 lustre_lnet_mod_peer_nidlist(lnet_nid_t pnid, lnet_nid_t *lnet_nidlist,
669 int cmd, int num_nids, bool is_mr, int seq_no,
670 struct cYAML **err_rc)
672 int rc = LUSTRE_CFG_RC_NO_ERR;
673 char err_str[LNET_MAX_STR_LEN];
674 lnet_nid_t *lnet_nidlist2 = NULL;
675 int ioc_cmd = (cmd == LNETCTL_ADD_CMD) ? IOC_LIBCFS_ADD_PEER_NI :
676 IOC_LIBCFS_DEL_PEER_NI;
677 char *cmd_str = (cmd == LNETCTL_ADD_CMD) ? ADD_CMD : DEL_CMD;
680 lnet_nidlist2 = calloc(sizeof(*lnet_nidlist2), num_nids);
681 if (!lnet_nidlist2) {
682 snprintf(err_str, LNET_MAX_STR_LEN, "out of memory");
683 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
686 lnet_nidlist2[0] = pnid;
687 memcpy(&lnet_nidlist2[1], lnet_nidlist, sizeof(*lnet_nidlist) *
690 rc = lustre_lnet_handle_peer_nidlist(lnet_nidlist2,
691 num_nids, is_mr, ioc_cmd,
697 cYAML_build_error(rc, seq_no, cmd_str, "peer_ni", err_str, err_rc);
702 replace_sep(char *str, char sep, char newsep)
708 for (i = 0; i < strlen(str); i++) {
709 /* don't replace ',' within [] */
712 else if (str[i] == ']')
714 else if (str[i] == sep && bracket == 0)
719 int lustre_lnet_modify_peer(char *prim_nid, char *nids, bool is_mr,
720 int cmd, int seq_no, struct cYAML **err_rc)
723 char err_str[LNET_MAX_STR_LEN] = "Error";
724 lnet_nid_t lnet_nidlist[LNET_MAX_NIDS_PER_PEER];
725 lnet_nid_t pnid = LNET_NID_ANY;
728 rc = LUSTRE_CFG_RC_BAD_PARAM;
729 snprintf(err_str, LNET_MAX_STR_LEN,
730 "--prim_nid must be specified");
734 pnid = libcfs_str2nid(prim_nid);
735 if (pnid == LNET_NID_ANY) {
736 rc = LUSTRE_CFG_RC_BAD_PARAM;
737 snprintf(err_str, LNET_MAX_STR_LEN,
738 "badly formatted primary NID: %s", prim_nid);
745 * if there is no primary nid we need to make the first nid in the
746 * nids list the primary nid
748 replace_sep(nids, ',', ' ');
749 rc = lustre_lnet_parse_nidstr(nids, lnet_nidlist,
750 LNET_MAX_NIDS_PER_PEER, err_str);
757 rc = lustre_lnet_mod_peer_nidlist(pnid, lnet_nidlist,
758 cmd, num_nids, is_mr,
762 if (rc != LUSTRE_CFG_RC_NO_ERR)
763 cYAML_build_error(rc, -1, "peer",
764 cmd == LNETCTL_ADD_CMD ? "add" : "del",
770 int lustre_lnet_route_common(char *nw, char *nidstr, int hops, int prio,
771 int sen, int seq_no, struct cYAML **err_rc,
774 int rc, num_nids, idx;
776 char err_str[LNET_MAX_STR_LEN] = "\"generic error\"";
777 struct lnet_ioctl_config_data data;
778 lnet_nid_t lnet_nidlist[LNET_MAX_NIDS_PER_PEER];
780 if (nw == NULL || nidstr == NULL) {
781 snprintf(err_str, LNET_MAX_STR_LEN,
782 "\"missing mandatory parameter:'%s'\"",
783 (nw == NULL && nidstr == NULL) ? "network, gateway" :
784 (nw == NULL) ? "network" : "gateway");
785 rc = LUSTRE_CFG_RC_MISSING_PARAM;
789 rnet = libcfs_str2net(nw);
790 if (rnet == LNET_NET_ANY) {
791 snprintf(err_str, LNET_MAX_STR_LEN,
792 "\"cannot parse remote net %s\"", nw);
793 rc = LUSTRE_CFG_RC_BAD_PARAM;
797 replace_sep(nidstr, ',', ' ');
798 rc = lustre_lnet_parse_nidstr(nidstr, lnet_nidlist,
799 LNET_MAX_NIDS_PER_PEER, err_str);
805 for (idx = 0; idx < num_nids; idx++) {
806 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
808 if (cmd == LNETCTL_ADD_CMD) {
809 data.cfg_config_u.cfg_route.rtr_hop = hops;
810 data.cfg_config_u.cfg_route.rtr_priority = prio;
811 data.cfg_config_u.cfg_route.rtr_sensitivity = sen;
814 data.cfg_nid = lnet_nidlist[idx];
816 if (cmd == LNETCTL_ADD_CMD)
817 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE,
820 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE,
823 if (rc != 0 && errno != EEXIST &&
824 errno != EHOSTUNREACH) {
826 snprintf(err_str, LNET_MAX_STR_LEN,
827 "route operation failed: %s",
830 } else if (errno == EEXIST) {
832 * continue chugging along if one of the
833 * routes already exists
840 cYAML_build_error(rc, seq_no,
841 cmd == LNETCTL_ADD_CMD ? ADD_CMD : DEL_CMD, "route",
847 int lustre_lnet_config_route(char *nw, char *nidstr, int hops, int prio,
848 int sen, int seq_no, struct cYAML **err_rc)
851 char err_str[LNET_MAX_STR_LEN] = "\"generic error\"";
854 hops = LNET_UNDEFINED_HOPS;
855 } else if (hops < 1 || hops > 255) {
856 snprintf(err_str, LNET_MAX_STR_LEN,
857 "\"invalid hop count %d, must be between 1 and 255\"",
859 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
865 } else if (prio < 0) {
866 snprintf(err_str, LNET_MAX_STR_LEN,
867 "\"invalid priority %d, must be greater than 0\"",
869 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
875 } else if (sen < 1) {
876 snprintf(err_str, LNET_MAX_STR_LEN,
877 "\"invalid health sensitivity %d, must be 1 or greater\"",
879 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
883 rc = lustre_lnet_route_common(nw, nidstr, hops, prio, sen, seq_no,
884 err_rc, LNETCTL_ADD_CMD);
887 cYAML_build_error(rc, seq_no, ADD_CMD, "route", err_str, err_rc);
892 int lustre_lnet_del_route(char *nw, char *nidstr, int seq_no,
893 struct cYAML **err_rc)
895 return lustre_lnet_route_common(nw, nidstr, 0, 0, 0, seq_no, err_rc,
899 int lustre_lnet_show_route(char *nw, char *gw, int hops, int prio, int detail,
900 int seq_no, struct cYAML **show_rc,
901 struct cYAML **err_rc, bool backup)
903 struct lnet_ioctl_config_data data;
904 lnet_nid_t gateway_nid;
905 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
907 __u32 net = LNET_NET_ANY;
909 struct cYAML *root = NULL, *route = NULL, *item = NULL;
910 struct cYAML *first_seq = NULL;
911 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
915 net = libcfs_str2net(nw);
916 if (net == LNET_NET_ANY) {
919 "\"cannot parse net '%s'\"", nw);
920 rc = LUSTRE_CFG_RC_BAD_PARAM;
925 /* show all routes without filtering on net */
930 gateway_nid = libcfs_str2nid(gw);
931 if (gateway_nid == LNET_NID_ANY) {
934 "\"cannot parse gateway NID '%s'\"", gw);
935 rc = LUSTRE_CFG_RC_BAD_PARAM;
939 /* show all routes with out filtering on gateway */
940 gateway_nid = LNET_NID_ANY;
942 if ((hops < 1 && hops != -1) || hops > 255) {
945 "\"invalid hop count %d, must be between 0 and 256\"",
947 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
951 /* create struct cYAML root object */
952 root = cYAML_create_object(NULL, NULL);
956 route = cYAML_create_seq(root, "route");
964 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
967 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
973 /* filter on provided data */
974 if (net != LNET_NET_ANY &&
978 if (gateway_nid != LNET_NID_ANY &&
979 gateway_nid != data.cfg_nid)
983 hops != data.cfg_config_u.cfg_route.rtr_hop)
987 prio != data.cfg_config_u.cfg_route.rtr_priority)
990 /* default rc to -1 incase we hit the goto */
994 item = cYAML_create_seq_item(route);
998 if (first_seq == NULL)
1001 if (cYAML_create_string(item, "net",
1002 libcfs_net2str(data.cfg_net)) == NULL)
1005 if (cYAML_create_string(item, "gateway",
1006 libcfs_nid2str(data.cfg_nid)) == NULL)
1010 if (cYAML_create_number(item, "hop",
1011 (int) data.cfg_config_u.
1012 cfg_route.rtr_hop) ==
1016 if (cYAML_create_number(item, "priority",
1018 cfg_route.rtr_priority) == NULL)
1021 if (cYAML_create_number(item, "health_sensitivity",
1023 cfg_route.rtr_sensitivity) == NULL)
1026 rt_alive = data.cfg_config_u.cfg_route.rtr_flags &
1028 rt_multi_hop = data.cfg_config_u.cfg_route.rtr_flags &
1032 cYAML_create_string(item, "state",
1034 "up" : "down") == NULL)
1038 cYAML_create_string(item, "type",
1040 "multi-hop" : "single-hop") == NULL)
1045 /* print output iff show_rc is not provided */
1046 if (show_rc == NULL)
1047 cYAML_print_tree(root);
1049 if (l_errno != ENOENT) {
1052 "\"cannot get routes: %s\"",
1057 rc = LUSTRE_CFG_RC_NO_ERR;
1059 snprintf(err_str, sizeof(err_str), "\"success\"");
1061 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
1062 cYAML_free_tree(root);
1063 } else if (show_rc != NULL && *show_rc != NULL) {
1064 struct cYAML *show_node;
1065 /* find the route node, if one doesn't exist then
1066 * insert one. Otherwise add to the one there
1068 show_node = cYAML_get_object_item(*show_rc, "route");
1069 if (show_node != NULL && cYAML_is_sequence(show_node)) {
1070 cYAML_insert_child(show_node, first_seq);
1073 } else if (show_node == NULL) {
1074 cYAML_insert_sibling((*show_rc)->cy_child,
1078 cYAML_free_tree(root);
1084 cYAML_build_error(rc, seq_no, SHOW_CMD, "route", err_str, err_rc);
1089 static int socket_intf_query(int request, char *intf,
1095 if (strlen(intf) >= IFNAMSIZ || ifr == NULL)
1096 return LUSTRE_CFG_RC_BAD_PARAM;
1098 sockfd = socket(AF_INET, SOCK_DGRAM, 0);
1100 return LUSTRE_CFG_RC_BAD_PARAM;
1102 strcpy(ifr->ifr_name, intf);
1103 rc = ioctl(sockfd, request, ifr);
1105 rc = LUSTRE_CFG_RC_BAD_PARAM;
1112 static int lustre_lnet_queryip(struct lnet_dlc_intf_descr *intf, __u32 *ip)
1117 memset(&ifr, 0, sizeof(ifr));
1118 rc = socket_intf_query(SIOCGIFFLAGS, intf->intf_name, &ifr);
1120 return LUSTRE_CFG_RC_BAD_PARAM;
1122 if ((ifr.ifr_flags & IFF_UP) == 0)
1123 return LUSTRE_CFG_RC_BAD_PARAM;
1125 memset(&ifr, 0, sizeof(ifr));
1126 rc = socket_intf_query(SIOCGIFADDR, intf->intf_name, &ifr);
1128 return LUSTRE_CFG_RC_BAD_PARAM;
1130 *ip = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr;
1131 *ip = bswap_32(*ip);
1133 return LUSTRE_CFG_RC_NO_ERR;
1137 * for each interface in the array of interfaces find the IP address of
1138 * that interface, create its nid and add it to an array of NIDs.
1139 * Stop if any of the interfaces is down
1141 static int lustre_lnet_intf2nids(struct lnet_dlc_network_descr *nw,
1142 lnet_nid_t **nids, __u32 *nnids,
1143 char *err_str, size_t str_len)
1145 int i = 0, count = 0, rc;
1146 struct lnet_dlc_intf_descr *intf;
1147 char val[LNET_MAX_STR_LEN];
1154 if (nw == NULL || nids == NULL) {
1155 snprintf(err_str, str_len,
1156 "\"unexpected parameters to lustre_lnet_intf2nids()\"");
1157 return LUSTRE_CFG_RC_BAD_PARAM;
1160 if (LNET_NETTYP(nw->nw_id) == GNILND) {
1163 list_for_each_entry(intf, &nw->nw_intflist, intf_on_network)
1167 *nids = calloc(count, sizeof(lnet_nid_t));
1168 if (*nids == NULL) {
1169 snprintf(err_str, str_len,
1170 "\"out of memory\"");
1171 return LUSTRE_CFG_RC_OUT_OF_MEM;
1174 * special case the GNI interface since it doesn't have an IP
1175 * address. The assumption is that there can only be one GNI
1176 * interface in the system. No interface name is provided.
1178 if (LNET_NETTYP(nw->nw_id) == GNILND) {
1179 rc = read_sysfs_file(gni_nid_path, "nid", val,
1182 snprintf(err_str, str_len,
1183 "\"cannot read gni nid\"");
1186 gni_num = atoi(val);
1188 (*nids)[i] = LNET_MKNID(nw->nw_id, gni_num);
1193 /* look at the other interfaces */
1194 list_for_each_entry(intf, &nw->nw_intflist, intf_on_network) {
1195 if (LNET_NETTYP(nw->nw_id) == PTL4LND) {
1196 /* handle LNDs with numeric interface name */
1197 num = strtoul(intf->intf_name, &endp, 0);
1198 if (endp == intf->intf_name || *endp != '\0') {
1199 rc = LUSTRE_CFG_RC_BAD_PARAM;
1200 snprintf(err_str, str_len,
1201 "\"couldn't query intf %s\"",
1205 (*nids)[i] = LNET_MKNID(nw->nw_id, num);
1208 /* handle LNDs with ip interface name */
1209 rc = lustre_lnet_queryip(intf, &ip);
1210 if (rc != LUSTRE_CFG_RC_NO_ERR) {
1211 snprintf(err_str, str_len,
1212 "\"couldn't query intf %s\"",
1216 (*nids)[i] = LNET_MKNID(nw->nw_id, ip);
1233 * called repeatedly until a match or no more ip range
1235 * ip_range expression
1236 * interface list with all the interface names.
1237 * all the interfaces in the system.
1239 * try to match the ip_range expr to one of the interfaces' IPs in
1240 * the system. If we hit a patch for an interface. Check if that
1241 * interface name is in the list.
1243 * If there are more than one interface in the list, then make sure
1244 * that the IPs for all of these interfaces match the ip ranges
1247 * for each interface in intf_list
1248 * look up the intf name in ifa
1249 * if not there then no match
1250 * check ip obtained from ifa against a match to any of the
1252 * If no match, then fail
1254 * The result is that all the interfaces have to match.
1256 int lustre_lnet_match_ip_to_intf(struct ifaddrs *ifa,
1257 struct list_head *intf_list,
1258 struct list_head *ip_ranges)
1262 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1263 struct ifaddrs *ifaddr = ifa;
1264 struct lustre_lnet_ip_range_descr *ip_range;
1268 * if there are no explicit interfaces, and no ip ranges, then
1269 * configure the first tcp interface we encounter.
1271 if (list_empty(intf_list) && list_empty(ip_ranges)) {
1272 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1273 if (ifaddr->ifa_addr == NULL)
1276 if ((ifaddr->ifa_flags & IFF_UP) == 0)
1279 family = ifaddr->ifa_addr->sa_family;
1280 if (family == AF_INET &&
1281 strcmp(ifaddr->ifa_name, "lo") != 0) {
1282 rc = lustre_lnet_add_intf_descr
1283 (intf_list, ifaddr->ifa_name,
1284 strlen(ifaddr->ifa_name));
1286 if (rc != LUSTRE_CFG_RC_NO_ERR)
1289 return LUSTRE_CFG_RC_MATCH;
1292 return LUSTRE_CFG_RC_NO_MATCH;
1296 * First interface which matches an IP pattern will be used
1298 if (list_empty(intf_list)) {
1300 * no interfaces provided in the rule, but an ip range is
1301 * provided, so try and match an interface to the ip
1304 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1305 if (ifaddr->ifa_addr == NULL)
1308 if ((ifaddr->ifa_flags & IFF_UP) == 0)
1311 family = ifaddr->ifa_addr->sa_family;
1312 if (family == AF_INET) {
1313 ip = ((struct sockaddr_in *)ifaddr->ifa_addr)->
1316 list_for_each_entry(ip_range, ip_ranges,
1318 rc = cfs_ip_addr_match(bswap_32(ip),
1319 &ip_range->ipr_expr);
1323 rc = lustre_lnet_add_intf_descr
1324 (intf_list, ifaddr->ifa_name,
1325 strlen(ifaddr->ifa_name));
1327 if (rc != LUSTRE_CFG_RC_NO_ERR)
1333 if (!list_empty(intf_list))
1334 return LUSTRE_CFG_RC_MATCH;
1336 return LUSTRE_CFG_RC_NO_MATCH;
1340 * If an interface is explicitly specified the ip-range might or
1341 * might not be specified. if specified the interface needs to match the
1342 * ip-range. If no ip-range then the interfaces are
1343 * automatically matched if they are all up.
1344 * If > 1 interfaces all the interfaces must match for the NI to
1347 list_for_each_entry_safe(intf_descr, tmp, intf_list, intf_on_network) {
1348 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1349 if (ifaddr->ifa_addr == NULL)
1352 family = ifaddr->ifa_addr->sa_family;
1353 if (family == AF_INET &&
1354 strcmp(intf_descr->intf_name,
1355 ifaddr->ifa_name) == 0)
1359 if (ifaddr == NULL) {
1360 list_del(&intf_descr->intf_on_network);
1361 free_intf_descr(intf_descr);
1365 if ((ifaddr->ifa_flags & IFF_UP) == 0) {
1366 list_del(&intf_descr->intf_on_network);
1367 free_intf_descr(intf_descr);
1371 ip = ((struct sockaddr_in *)ifaddr->ifa_addr)->sin_addr.s_addr;
1374 list_for_each_entry(ip_range, ip_ranges, ipr_entry) {
1375 rc = cfs_ip_addr_match(bswap_32(ip), &ip_range->ipr_expr);
1381 /* no match for this interface */
1382 list_del(&intf_descr->intf_on_network);
1383 free_intf_descr(intf_descr);
1387 return LUSTRE_CFG_RC_MATCH;
1390 static int lustre_lnet_resolve_ip2nets_rule(struct lustre_lnet_ip2nets *ip2nets,
1391 lnet_nid_t **nids, __u32 *nnids,
1392 char *err_str, size_t str_len)
1394 struct ifaddrs *ifa;
1395 int rc = LUSTRE_CFG_RC_NO_ERR;
1397 rc = getifaddrs(&ifa);
1399 snprintf(err_str, str_len,
1400 "\"failed to get interface addresses: %d\"", -errno);
1404 rc = lustre_lnet_match_ip_to_intf(ifa,
1405 &ip2nets->ip2nets_net.nw_intflist,
1406 &ip2nets->ip2nets_ip_ranges);
1407 if (rc != LUSTRE_CFG_RC_MATCH) {
1408 snprintf(err_str, str_len,
1409 "\"couldn't match ip to existing interfaces\"");
1414 rc = lustre_lnet_intf2nids(&ip2nets->ip2nets_net, nids, nnids,
1416 if (rc != LUSTRE_CFG_RC_NO_ERR) {
1427 lustre_lnet_ioctl_config_ni(struct list_head *intf_list,
1428 struct lnet_ioctl_config_lnd_tunables *tunables,
1429 struct cfs_expr_list *global_cpts,
1430 lnet_nid_t *nids, char *err_str)
1433 struct lnet_ioctl_config_ni *conf;
1434 struct lnet_ioctl_config_lnd_tunables *tun = NULL;
1435 int rc = LUSTRE_CFG_RC_NO_ERR, i = 0;
1438 struct lnet_dlc_intf_descr *intf_descr;
1440 struct cfs_expr_list *cpt_expr;
1442 list_for_each_entry(intf_descr, intf_list,
1444 if (tunables != NULL)
1445 len = sizeof(struct lnet_ioctl_config_ni) +
1446 sizeof(struct lnet_ioctl_config_lnd_tunables);
1448 len = sizeof(struct lnet_ioctl_config_ni);
1450 data = calloc(1, len);
1452 return LUSTRE_CFG_RC_OUT_OF_MEM;
1453 conf = (struct lnet_ioctl_config_ni*) data;
1454 if (tunables != NULL)
1455 tun = (struct lnet_ioctl_config_lnd_tunables*)
1458 LIBCFS_IOC_INIT_V2(*conf, lic_cfg_hdr);
1459 conf->lic_cfg_hdr.ioc_len = len;
1460 conf->lic_nid = nids[i];
1461 strncpy(conf->lic_ni_intf[0], intf_descr->intf_name,
1464 if (intf_descr->cpt_expr != NULL)
1465 cpt_expr = intf_descr->cpt_expr;
1466 else if (global_cpts != NULL)
1467 cpt_expr = global_cpts;
1471 if (cpt_expr != NULL) {
1472 count = cfs_expr_list_values(cpt_expr,
1473 LNET_MAX_SHOW_NUM_CPT,
1476 memcpy(conf->lic_cpts, cpt_array,
1477 sizeof(cpt_array[0]) * LNET_MAX_STR_LEN);
1486 conf->lic_ncpts = count;
1488 if (tunables != NULL)
1489 memcpy(tun, tunables, sizeof(*tunables));
1491 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_LOCAL_NI, data);
1496 "\"cannot add network: %s\"", strerror(errno));
1504 return LUSTRE_CFG_RC_NO_ERR;
1508 lustre_lnet_config_ip2nets(struct lustre_lnet_ip2nets *ip2nets,
1509 struct lnet_ioctl_config_lnd_tunables *tunables,
1510 struct cfs_expr_list *global_cpts,
1511 int seq_no, struct cYAML **err_rc)
1513 lnet_nid_t *nids = NULL;
1516 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1521 "\"incomplete ip2nets information\"");
1522 rc = LUSTRE_CFG_RC_BAD_PARAM;
1527 * call below function to resolve the rules into a list of nids.
1528 * The memory is allocated in that function then freed here when
1529 * it's no longer needed.
1531 rc = lustre_lnet_resolve_ip2nets_rule(ip2nets, &nids, &nnids, err_str,
1533 if (rc != LUSTRE_CFG_RC_NO_ERR && rc != LUSTRE_CFG_RC_MATCH)
1536 if (list_empty(&ip2nets->ip2nets_net.nw_intflist)) {
1537 snprintf(err_str, sizeof(err_str),
1538 "\"no interfaces match ip2nets rules\"");
1542 rc = lustre_lnet_ioctl_config_ni(&ip2nets->ip2nets_net.nw_intflist,
1543 tunables, global_cpts, nids,
1550 cYAML_build_error(rc, seq_no, ADD_CMD, "ip2nets", err_str, err_rc);
1554 int lustre_lnet_config_ni(struct lnet_dlc_network_descr *nw_descr,
1555 struct cfs_expr_list *global_cpts,
1557 struct lnet_ioctl_config_lnd_tunables *tunables,
1558 int seq_no, struct cYAML **err_rc)
1561 struct lnet_ioctl_config_ni *conf;
1562 struct lnet_ioctl_config_lnd_tunables *tun = NULL;
1563 char buf[LNET_MAX_STR_LEN];
1564 int rc = LUSTRE_CFG_RC_NO_ERR;
1565 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1566 lnet_nid_t *nids = NULL;
1570 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1573 if (ip2net == NULL && (nw_descr == NULL || nw_descr->nw_id == 0 ||
1574 (list_empty(&nw_descr->nw_intflist) &&
1575 LNET_NETTYP(nw_descr->nw_id) != GNILND))) {
1578 "\"missing mandatory parameters in NI config: '%s'\"",
1579 (nw_descr == NULL) ? "network , interface" :
1580 (nw_descr->nw_id == 0) ? "network" : "interface");
1581 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1585 if (ip2net != NULL && strlen(ip2net) >= sizeof(buf)) {
1588 "\"ip2net string too long %d\"",
1589 (int)strlen(ip2net));
1590 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
1594 if (ip2net != NULL) {
1595 if (tunables != NULL)
1596 len = sizeof(struct lnet_ioctl_config_ni) +
1597 sizeof(struct lnet_ioctl_config_lnd_tunables);
1599 len = sizeof(struct lnet_ioctl_config_ni);
1600 data = calloc(1, len);
1602 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
1605 conf = (struct lnet_ioctl_config_ni*) data;
1606 if (tunables != NULL)
1607 tun = (struct lnet_ioctl_config_lnd_tunables*)
1608 (data + sizeof(*conf));
1610 LIBCFS_IOC_INIT_V2(*conf, lic_cfg_hdr);
1611 conf->lic_cfg_hdr.ioc_len = len;
1612 strncpy(conf->lic_legacy_ip2nets, ip2net,
1615 if (global_cpts != NULL) {
1616 count = cfs_expr_list_values(global_cpts,
1617 LNET_MAX_SHOW_NUM_CPT,
1620 memcpy(conf->lic_cpts, cpt_array,
1621 sizeof(cpt_array[0]) * LNET_MAX_STR_LEN);
1630 conf->lic_ncpts = count;
1632 if (tunables != NULL)
1633 memcpy(tun, tunables, sizeof(*tunables));
1635 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_LOCAL_NI, data);
1640 "\"cannot add network: %s\"", strerror(errno));
1647 if (LNET_NETTYP(nw_descr->nw_id) == LOLND) {
1648 rc = LUSTRE_CFG_RC_NO_ERR;
1652 if (nw_descr->nw_id == LNET_NET_ANY) {
1655 "\"cannot parse net '%s'\"",
1656 libcfs_net2str(nw_descr->nw_id));
1657 rc = LUSTRE_CFG_RC_BAD_PARAM;
1662 * special case the GNI since no interface name is expected
1664 if (list_empty(&nw_descr->nw_intflist) &&
1665 (LNET_NETTYP(nw_descr->nw_id) != GNILND)) {
1668 "\"no interface name provided\"");
1669 rc = LUSTRE_CFG_RC_BAD_PARAM;
1673 rc = lustre_lnet_intf2nids(nw_descr, &nids, &nnids,
1674 err_str, sizeof(err_str));
1676 rc = LUSTRE_CFG_RC_BAD_PARAM;
1680 rc = lustre_lnet_ioctl_config_ni(&nw_descr->nw_intflist,
1681 tunables, global_cpts, nids,
1685 if (nw_descr != NULL) {
1686 list_for_each_entry_safe(intf_descr, tmp,
1687 &nw_descr->nw_intflist,
1689 list_del(&intf_descr->intf_on_network);
1690 free_intf_descr(intf_descr);
1694 cYAML_build_error(rc, seq_no, ADD_CMD, "net", err_str, err_rc);
1705 int lustre_lnet_del_ni(struct lnet_dlc_network_descr *nw_descr,
1706 int seq_no, struct cYAML **err_rc)
1708 struct lnet_ioctl_config_ni data;
1709 int rc = LUSTRE_CFG_RC_NO_ERR, i;
1710 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1711 lnet_nid_t *nids = NULL;
1713 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1715 if (nw_descr == NULL || nw_descr->nw_id == 0) {
1718 "\"missing mandatory parameter in deleting NI: '%s'\"",
1719 (nw_descr == NULL) ? "network , interface" :
1720 (nw_descr->nw_id == 0) ? "network" : "interface");
1721 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1725 if (LNET_NETTYP(nw_descr->nw_id) == LOLND)
1726 return LUSTRE_CFG_RC_NO_ERR;
1728 if (nw_descr->nw_id == LNET_NET_ANY) {
1731 "\"cannot parse net '%s'\"",
1732 libcfs_net2str(nw_descr->nw_id));
1733 rc = LUSTRE_CFG_RC_BAD_PARAM;
1737 rc = lustre_lnet_intf2nids(nw_descr, &nids, &nnids,
1738 err_str, sizeof(err_str));
1740 rc = LUSTRE_CFG_RC_BAD_PARAM;
1745 * no interfaces just the nw_id is specified
1748 nids = calloc(1, sizeof(*nids));
1750 snprintf(err_str, sizeof(err_str),
1751 "\"out of memory\"");
1752 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
1755 nids[0] = LNET_MKNID(nw_descr->nw_id, 0);
1759 for (i = 0; i < nnids; i++) {
1760 LIBCFS_IOC_INIT_V2(data, lic_cfg_hdr);
1761 data.lic_nid = nids[i];
1763 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_LOCAL_NI, &data);
1768 "\"cannot del network: %s\"", strerror(errno));
1772 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
1774 list_del(&intf_descr->intf_on_network);
1775 free_intf_descr(intf_descr);
1779 cYAML_build_error(rc, seq_no, DEL_CMD, "net", err_str, err_rc);
1788 lustre_lnet_config_healthv(int value, bool all, lnet_nid_t nid,
1789 enum lnet_health_type type, char *name,
1790 int seq_no, struct cYAML **err_rc)
1792 struct lnet_ioctl_reset_health_cfg data;
1793 int rc = LUSTRE_CFG_RC_NO_ERR;
1794 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1796 LIBCFS_IOC_INIT_V2(data, rh_hdr);
1797 data.rh_type = type;
1799 data.rh_value = value;
1802 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_SET_HEALHV, &data);
1806 sizeof(err_str), "Can not configure health value: %s",
1810 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
1815 int lustre_lnet_config_ni_healthv(int value, bool all, char *ni_nid, int seq_no,
1816 struct cYAML **err_rc)
1820 nid = libcfs_str2nid(ni_nid);
1823 return lustre_lnet_config_healthv(value, all, nid,
1824 LNET_HEALTH_TYPE_LOCAL_NI,
1825 "ni healthv", seq_no, err_rc);
1828 int lustre_lnet_config_peer_ni_healthv(int value, bool all, char *lpni_nid,
1829 int seq_no, struct cYAML **err_rc)
1833 nid = libcfs_str2nid(lpni_nid);
1836 return lustre_lnet_config_healthv(value, all, nid,
1837 LNET_HEALTH_TYPE_PEER_NI,
1838 "peer_ni healthv", seq_no, err_rc);
1842 add_msg_stats_to_yaml_blk(struct cYAML *yaml,
1843 struct lnet_ioctl_comm_count *counts)
1845 if (cYAML_create_number(yaml, "put",
1846 counts->ico_put_count)
1849 if (cYAML_create_number(yaml, "get",
1850 counts->ico_get_count)
1853 if (cYAML_create_number(yaml, "reply",
1854 counts->ico_reply_count)
1857 if (cYAML_create_number(yaml, "ack",
1858 counts->ico_ack_count)
1861 if (cYAML_create_number(yaml, "hello",
1862 counts->ico_hello_count)
1869 static struct lnet_ioctl_comm_count *
1870 get_counts(struct lnet_ioctl_element_msg_stats *msg_stats, int idx)
1873 return &msg_stats->im_send_stats;
1875 return &msg_stats->im_recv_stats;
1877 return &msg_stats->im_drop_stats;
1882 int lustre_lnet_show_net(char *nw, int detail, int seq_no,
1883 struct cYAML **show_rc, struct cYAML **err_rc,
1887 struct lnet_ioctl_config_ni *ni_data;
1888 struct lnet_ioctl_config_lnd_tunables *lnd;
1889 struct lnet_ioctl_element_stats *stats;
1890 struct lnet_ioctl_element_msg_stats msg_stats;
1891 struct lnet_ioctl_local_ni_hstats hstats;
1892 __u32 net = LNET_NET_ANY;
1893 __u32 prev_net = LNET_NET_ANY;
1894 int rc = LUSTRE_CFG_RC_OUT_OF_MEM, i, j;
1896 struct cYAML *root = NULL, *tunables = NULL,
1897 *net_node = NULL, *interfaces = NULL,
1898 *item = NULL, *first_seq = NULL,
1899 *tmp = NULL, *statistics = NULL,
1901 int str_buf_len = LNET_MAX_SHOW_NUM_CPT * 2;
1902 char str_buf[str_buf_len];
1904 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
1905 bool exist = false, new_net = true;
1907 size_t buf_size = sizeof(*ni_data) + sizeof(*lnd) + sizeof(*stats);
1909 buf = calloc(1, buf_size);
1913 ni_data = (struct lnet_ioctl_config_ni *)buf;
1916 net = libcfs_str2net(nw);
1917 if (net == LNET_NET_ANY) {
1920 "\"cannot parse net '%s'\"", nw);
1921 rc = LUSTRE_CFG_RC_BAD_PARAM;
1926 root = cYAML_create_object(NULL, NULL);
1930 net_node = cYAML_create_seq(root, "net");
1931 if (net_node == NULL)
1937 memset(buf, 0, buf_size);
1939 LIBCFS_IOC_INIT_V2(*ni_data, lic_cfg_hdr);
1941 * set the ioc_len to the proper value since INIT assumes
1944 ni_data->lic_cfg_hdr.ioc_len = buf_size;
1945 ni_data->lic_idx = i;
1947 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LOCAL_NI, ni_data);
1953 rc_net = LNET_NIDNET(ni_data->lic_nid);
1955 /* filter on provided data */
1956 if (net != LNET_NET_ANY &&
1960 /* if we're backing up don't store lo */
1961 if (backup && LNET_NETTYP(rc_net) == LOLND)
1964 /* default rc to -1 in case we hit the goto */
1968 stats = (struct lnet_ioctl_element_stats *)ni_data->lic_bulk;
1969 lnd = (struct lnet_ioctl_config_lnd_tunables *)
1970 (ni_data->lic_bulk + sizeof(*stats));
1972 if (rc_net != prev_net) {
1979 if (!cYAML_create_string(net_node, "net type",
1980 libcfs_net2str(rc_net)))
1983 tmp = cYAML_create_seq(net_node, "local NI(s)");
1989 /* create the tree to be printed. */
1990 item = cYAML_create_seq_item(tmp);
1994 if (first_seq == NULL)
1998 cYAML_create_string(item, "nid",
1999 libcfs_nid2str(ni_data->lic_nid)) == NULL)
2003 cYAML_create_string(item,
2005 (ni_data->lic_status ==
2006 LNET_NI_STATUS_UP) ?
2007 "up" : "down") == NULL)
2010 /* don't add interfaces unless there is at least one
2012 if (strlen(ni_data->lic_ni_intf[0]) > 0) {
2013 interfaces = cYAML_create_object(item, "interfaces");
2014 if (interfaces == NULL)
2017 for (j = 0; j < LNET_INTERFACES_NUM; j++) {
2018 if (strlen(ni_data->lic_ni_intf[j]) > 0) {
2020 sizeof(str_buf), "%d", j);
2021 if (cYAML_create_string(interfaces,
2023 ni_data->lic_ni_intf[j]) ==
2035 goto continue_without_msg_stats;
2037 statistics = cYAML_create_object(item, "statistics");
2038 if (statistics == NULL)
2041 if (cYAML_create_number(statistics, "send_count",
2042 stats->iel_send_count)
2046 if (cYAML_create_number(statistics, "recv_count",
2047 stats->iel_recv_count)
2051 if (cYAML_create_number(statistics, "drop_count",
2052 stats->iel_drop_count)
2057 goto continue_without_msg_stats;
2059 LIBCFS_IOC_INIT_V2(msg_stats, im_hdr);
2060 msg_stats.im_hdr.ioc_len = sizeof(msg_stats);
2061 msg_stats.im_idx = i;
2063 rc = l_ioctl(LNET_DEV_ID,
2064 IOC_LIBCFS_GET_LOCAL_NI_MSG_STATS,
2068 goto continue_without_msg_stats;
2071 for (k = 0; k < 3; k++) {
2072 struct lnet_ioctl_comm_count *counts;
2073 struct cYAML *msg_statistics = NULL;
2075 msg_statistics = cYAML_create_object(item,
2076 (char *)gmsg_stat_names[k]);
2077 if (msg_statistics == NULL)
2080 counts = get_counts(&msg_stats, k);
2084 if (!add_msg_stats_to_yaml_blk(msg_statistics,
2089 LIBCFS_IOC_INIT_V2(hstats, hlni_hdr);
2090 hstats.hlni_nid = ni_data->lic_nid;
2091 /* grab health stats */
2092 rc = l_ioctl(LNET_DEV_ID,
2093 IOC_LIBCFS_GET_LOCAL_HSTATS,
2097 goto continue_without_msg_stats;
2099 yhstats = cYAML_create_object(item, "health stats");
2102 if (cYAML_create_number(yhstats, "health value",
2103 hstats.hlni_health_value)
2106 if (cYAML_create_number(yhstats, "interrupts",
2107 hstats.hlni_local_interrupt)
2110 if (cYAML_create_number(yhstats, "dropped",
2111 hstats.hlni_local_dropped)
2114 if (cYAML_create_number(yhstats, "aborted",
2115 hstats.hlni_local_aborted)
2118 if (cYAML_create_number(yhstats, "no route",
2119 hstats.hlni_local_no_route)
2122 if (cYAML_create_number(yhstats, "timeouts",
2123 hstats.hlni_local_timeout)
2126 if (cYAML_create_number(yhstats, "error",
2127 hstats.hlni_local_error)
2131 continue_without_msg_stats:
2132 tunables = cYAML_create_object(item, "tunables");
2136 rc = lustre_net_show_tunables(tunables, &lnd->lt_cmn);
2137 if (rc != LUSTRE_CFG_RC_NO_ERR)
2140 rc = lustre_ni_show_tunables(tunables, LNET_NETTYP(rc_net),
2142 if (rc != LUSTRE_CFG_RC_NO_ERR &&
2143 rc != LUSTRE_CFG_RC_NO_MATCH)
2146 if (rc != LUSTRE_CFG_RC_NO_MATCH) {
2147 tunables = cYAML_create_object(item,
2149 if (tunables == NULL)
2154 cYAML_create_number(item, "dev cpt",
2155 ni_data->lic_dev_cpt) == NULL)
2159 cYAML_create_number(item, "tcp bonding",
2160 ni_data->lic_tcp_bonding)
2164 /* out put the CPTs in the format: "[x,x,x,...]" */
2166 limit = str_buf + str_buf_len - 3;
2167 pos += scnprintf(pos, limit - pos, "\"[");
2168 for (j = 0 ; ni_data->lic_ncpts >= 1 &&
2169 j < ni_data->lic_ncpts &&
2171 pos += scnprintf(pos, limit - pos,
2172 "%d", ni_data->lic_cpts[j]);
2173 if ((j + 1) < ni_data->lic_ncpts)
2174 pos += scnprintf(pos, limit - pos, ",");
2176 snprintf(pos, 3, "]\"");
2178 if (ni_data->lic_ncpts >= 1 &&
2179 cYAML_create_string(item, "CPT",
2185 /* Print out the net information only if show_rc is not provided */
2186 if (show_rc == NULL)
2187 cYAML_print_tree(root);
2189 if (l_errno != ENOENT) {
2192 "\"cannot get networks: %s\"",
2197 rc = LUSTRE_CFG_RC_NO_ERR;
2199 snprintf(err_str, sizeof(err_str), "\"success\"");
2201 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2202 cYAML_free_tree(root);
2203 } else if (show_rc != NULL && *show_rc != NULL) {
2204 struct cYAML *show_node;
2205 /* find the net node, if one doesn't exist
2206 * then insert one. Otherwise add to the one there
2208 show_node = cYAML_get_object_item(*show_rc, "net");
2209 if (show_node != NULL && cYAML_is_sequence(show_node)) {
2210 cYAML_insert_child(show_node, first_seq);
2213 } else if (show_node == NULL) {
2214 cYAML_insert_sibling((*show_rc)->cy_child,
2218 cYAML_free_tree(root);
2224 cYAML_build_error(rc, seq_no, SHOW_CMD, "net", err_str, err_rc);
2229 int lustre_lnet_enable_routing(int enable, int seq_no, struct cYAML **err_rc)
2231 struct lnet_ioctl_config_data data;
2232 int rc = LUSTRE_CFG_RC_NO_ERR;
2233 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2235 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2236 data.cfg_config_u.cfg_buffers.buf_enable = (enable) ? 1 : 0;
2238 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIG_RTR, &data);
2243 "\"cannot %s routing %s\"",
2244 (enable) ? "enable" : "disable", strerror(errno));
2249 cYAML_build_error(rc, seq_no,
2250 (enable) ? ADD_CMD : DEL_CMD,
2251 "routing", err_str, err_rc);
2256 int ioctl_set_value(__u32 val, int ioc, char *name,
2257 int seq_no, struct cYAML **err_rc)
2259 struct lnet_ioctl_set_value data;
2260 int rc = LUSTRE_CFG_RC_NO_ERR;
2261 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2263 LIBCFS_IOC_INIT_V2(data, sv_hdr);
2264 data.sv_value = val;
2266 rc = l_ioctl(LNET_DEV_ID, ioc , &data);
2271 "\"cannot configure %s to %d: %s\"", name,
2272 val, strerror(errno));
2275 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
2280 int lustre_lnet_config_recov_intrv(int intrv, int seq_no, struct cYAML **err_rc)
2282 int rc = LUSTRE_CFG_RC_NO_ERR;
2283 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2284 char val[LNET_MAX_STR_LEN];
2286 snprintf(val, sizeof(val), "%d", intrv);
2288 rc = write_sysfs_file(modparam_path, "lnet_recovery_interval", val,
2289 1, strlen(val) + 1);
2291 snprintf(err_str, sizeof(err_str),
2292 "\"cannot configure recovery interval: %s\"",
2295 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_interval", err_str, err_rc);
2300 int lustre_lnet_config_rtr_sensitivity(int sen, int seq_no, struct cYAML **err_rc)
2302 int rc = LUSTRE_CFG_RC_NO_ERR;
2303 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2304 char val[LNET_MAX_STR_LEN];
2306 snprintf(val, sizeof(val), "%d", sen);
2308 rc = write_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
2309 1, strlen(val) + 1);
2311 snprintf(err_str, sizeof(err_str),
2312 "\"cannot configure router health sensitivity: %s\"",
2315 cYAML_build_error(rc, seq_no, ADD_CMD, "router_sensitivity", err_str, err_rc);
2320 int lustre_lnet_config_hsensitivity(int sen, int seq_no, struct cYAML **err_rc)
2322 int rc = LUSTRE_CFG_RC_NO_ERR;
2323 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2324 char val[LNET_MAX_STR_LEN];
2326 snprintf(val, sizeof(val), "%d", sen);
2328 rc = write_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
2329 1, strlen(val) + 1);
2331 snprintf(err_str, sizeof(err_str),
2332 "\"cannot configure health sensitivity: %s\"",
2335 cYAML_build_error(rc, seq_no, ADD_CMD, "health_sensitivity", err_str, err_rc);
2340 int lustre_lnet_config_transaction_to(int timeout, int seq_no, struct cYAML **err_rc)
2342 int rc = LUSTRE_CFG_RC_NO_ERR;
2343 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2344 char val[LNET_MAX_STR_LEN];
2346 snprintf(val, sizeof(val), "%d", timeout);
2348 rc = write_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
2349 1, strlen(val) + 1);
2351 snprintf(err_str, sizeof(err_str),
2352 "\"cannot configure transaction timeout: %s\"",
2355 cYAML_build_error(rc, seq_no, ADD_CMD, "transaction_timeout", err_str, err_rc);
2360 int lustre_lnet_config_retry_count(int count, int seq_no, struct cYAML **err_rc)
2362 int rc = LUSTRE_CFG_RC_NO_ERR;
2363 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2364 char val[LNET_MAX_STR_LEN];
2366 snprintf(val, sizeof(val), "%d", count);
2368 rc = write_sysfs_file(modparam_path, "lnet_retry_count", val,
2369 1, strlen(val) + 1);
2371 snprintf(err_str, sizeof(err_str),
2372 "\"cannot configure retry count: %s\"",
2375 cYAML_build_error(rc, seq_no, ADD_CMD, "retry_count", err_str, err_rc);
2380 int lustre_lnet_config_response_tracking(int val, int seq_no,
2381 struct cYAML **err_rc)
2383 int rc = LUSTRE_CFG_RC_NO_ERR;
2384 char err_str[LNET_MAX_STR_LEN];
2385 char val_str[LNET_MAX_STR_LEN];
2387 if (val < 0 || val > 3) {
2388 rc = LUSTRE_CFG_RC_BAD_PARAM;
2389 snprintf(err_str, sizeof(err_str),
2390 "\"Valid values are: 0, 1, 2, or 3\"");
2392 snprintf(err_str, sizeof(err_str), "\"success\"");
2394 snprintf(val_str, sizeof(val_str), "%d", val);
2396 rc = write_sysfs_file(modparam_path, "lnet_response_tracking",
2397 val_str, 1, strlen(val_str) + 1);
2399 snprintf(err_str, sizeof(err_str),
2400 "\"cannot configure response tracking: %s\"",
2404 cYAML_build_error(rc, seq_no, ADD_CMD, "response_tracking", err_str,
2410 int lustre_lnet_config_recovery_limit(int val, int seq_no,
2411 struct cYAML **err_rc)
2413 int rc = LUSTRE_CFG_RC_NO_ERR;
2414 char err_str[LNET_MAX_STR_LEN];
2415 char val_str[LNET_MAX_STR_LEN];
2418 rc = LUSTRE_CFG_RC_BAD_PARAM;
2419 snprintf(err_str, sizeof(err_str),
2420 "\"Must be greater than or equal to 0\"");
2422 snprintf(err_str, sizeof(err_str), "\"success\"");
2424 snprintf(val_str, sizeof(val_str), "%d", val);
2426 rc = write_sysfs_file(modparam_path, "lnet_recovery_limit",
2427 val_str, 1, strlen(val_str) + 1);
2429 snprintf(err_str, sizeof(err_str),
2430 "\"cannot configure recovery limit: %s\"",
2434 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_limit", err_str,
2440 int lustre_lnet_config_max_intf(int max, int seq_no, struct cYAML **err_rc)
2442 int rc = LUSTRE_CFG_RC_NO_ERR;
2443 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2444 char val[LNET_MAX_STR_LEN];
2446 snprintf(val, sizeof(val), "%d", max);
2448 rc = write_sysfs_file(modparam_path, "lnet_interfaces_max", val,
2449 1, strlen(val) + 1);
2451 snprintf(err_str, sizeof(err_str),
2452 "\"cannot configure max interfaces: %s\"",
2455 cYAML_build_error(rc, seq_no, ADD_CMD, "max_interfaces", err_str, err_rc);
2460 int lustre_lnet_config_discovery(int enable, int seq_no, struct cYAML **err_rc)
2462 int rc = LUSTRE_CFG_RC_NO_ERR;
2463 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2464 char val[LNET_MAX_STR_LEN];
2466 snprintf(val, sizeof(val), "%u", (enable) ? 0 : 1);
2468 rc = write_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
2469 1, strlen(val) + 1);
2471 snprintf(err_str, sizeof(err_str),
2472 "\"cannot configure discovery: %s\"",
2475 cYAML_build_error(rc, seq_no, ADD_CMD, "discovery", err_str, err_rc);
2481 int lustre_lnet_config_drop_asym_route(int drop, int seq_no,
2482 struct cYAML **err_rc)
2484 int rc = LUSTRE_CFG_RC_NO_ERR;
2485 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2486 char val[LNET_MAX_STR_LEN];
2488 snprintf(val, sizeof(val), "%u", (drop) ? 1 : 0);
2490 rc = write_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
2491 1, strlen(val) + 1);
2493 snprintf(err_str, sizeof(err_str),
2494 "\"cannot configure drop asym route: %s\"",
2497 cYAML_build_error(rc, seq_no, ADD_CMD, "drop_asym_route",
2504 int lustre_lnet_config_numa_range(int range, int seq_no, struct cYAML **err_rc)
2506 return ioctl_set_value(range, IOC_LIBCFS_SET_NUMA_RANGE,
2507 "numa_range", seq_no, err_rc);
2510 int lustre_lnet_config_buffers(int tiny, int small, int large, int seq_no,
2511 struct cYAML **err_rc)
2513 struct lnet_ioctl_config_data data;
2514 int rc = LUSTRE_CFG_RC_NO_ERR;
2515 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2517 /* -1 indicates to ignore changes to this field */
2518 if (tiny < -1 || small < -1 || large < -1) {
2521 "\"tiny, small and large must be >= 0\"");
2522 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
2526 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2527 data.cfg_config_u.cfg_buffers.buf_tiny = tiny;
2528 data.cfg_config_u.cfg_buffers.buf_small = small;
2529 data.cfg_config_u.cfg_buffers.buf_large = large;
2531 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_BUF, &data);
2536 "\"cannot configure buffers: %s\"", strerror(errno));
2541 cYAML_build_error(rc, seq_no, ADD_CMD, "buf", err_str, err_rc);
2546 int lustre_lnet_show_routing(int seq_no, struct cYAML **show_rc,
2547 struct cYAML **err_rc, bool backup)
2549 struct lnet_ioctl_config_data *data;
2550 struct lnet_ioctl_pool_cfg *pool_cfg = NULL;
2551 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2554 char *pools[LNET_NRBPOOLS] = {"tiny", "small", "large"};
2555 int buf_count[LNET_NRBPOOLS] = {0};
2556 struct cYAML *root = NULL, *pools_node = NULL,
2557 *type_node = NULL, *item = NULL, *cpt = NULL,
2558 *first_seq = NULL, *buffers = NULL;
2560 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2561 char node_name[LNET_MAX_STR_LEN];
2564 buf = calloc(1, sizeof(*data) + sizeof(*pool_cfg));
2568 data = (struct lnet_ioctl_config_data *)buf;
2570 root = cYAML_create_object(NULL, NULL);
2575 pools_node = cYAML_create_object(root, "routing");
2577 pools_node = cYAML_create_seq(root, "routing");
2578 if (pools_node == NULL)
2582 LIBCFS_IOC_INIT_V2(*data, cfg_hdr);
2583 data->cfg_hdr.ioc_len = sizeof(struct lnet_ioctl_config_data) +
2584 sizeof(struct lnet_ioctl_pool_cfg);
2585 data->cfg_count = i;
2587 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_BUF, data);
2595 pool_cfg = (struct lnet_ioctl_pool_cfg *)data->cfg_bulk;
2598 goto calculate_buffers;
2600 snprintf(node_name, sizeof(node_name), "cpt[%d]", i);
2601 item = cYAML_create_seq_item(pools_node);
2605 if (first_seq == NULL)
2608 cpt = cYAML_create_object(item, node_name);
2613 /* create the tree and print */
2614 for (j = 0; j < LNET_NRBPOOLS; j++) {
2616 type_node = cYAML_create_object(cpt, pools[j]);
2617 if (type_node == NULL)
2621 cYAML_create_number(type_node, "npages",
2622 pool_cfg->pl_pools[j].pl_npages)
2626 cYAML_create_number(type_node, "nbuffers",
2627 pool_cfg->pl_pools[j].
2628 pl_nbuffers) == NULL)
2631 cYAML_create_number(type_node, "credits",
2632 pool_cfg->pl_pools[j].
2633 pl_credits) == NULL)
2636 cYAML_create_number(type_node, "mincredits",
2637 pool_cfg->pl_pools[j].
2638 pl_mincredits) == NULL)
2640 /* keep track of the total count for each of the
2641 * tiny, small and large buffers */
2642 buf_count[j] += pool_cfg->pl_pools[j].pl_nbuffers;
2646 if (pool_cfg != NULL) {
2648 if (cYAML_create_number(pools_node, "enable",
2649 pool_cfg->pl_routing) ==
2653 goto add_buffer_section;
2656 item = cYAML_create_seq_item(pools_node);
2660 if (cYAML_create_number(item, "enable", pool_cfg->pl_routing) ==
2666 /* create a buffers entry in the show. This is necessary so that
2667 * if the YAML output is used to configure a node, the buffer
2668 * configuration takes hold */
2669 buffers = cYAML_create_object(root, "buffers");
2670 if (buffers == NULL)
2673 for (i = 0; i < LNET_NRBPOOLS; i++) {
2674 if (cYAML_create_number(buffers, pools[i], buf_count[i]) == NULL)
2678 if (show_rc == NULL)
2679 cYAML_print_tree(root);
2681 if (l_errno != ENOENT) {
2684 "\"cannot get routing information: %s\"",
2689 rc = LUSTRE_CFG_RC_NO_ERR;
2691 snprintf(err_str, sizeof(err_str), "\"success\"");
2692 rc = LUSTRE_CFG_RC_NO_ERR;
2696 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2697 cYAML_free_tree(root);
2698 } else if (show_rc != NULL && *show_rc != NULL) {
2699 struct cYAML *routing_node;
2700 /* there should exist only one routing block and one
2701 * buffers block. If there already exists a previous one
2702 * then don't add another */
2703 routing_node = cYAML_get_object_item(*show_rc, "routing");
2704 if (routing_node == NULL) {
2705 cYAML_insert_sibling((*show_rc)->cy_child,
2709 cYAML_free_tree(root);
2715 cYAML_build_error(rc, seq_no, SHOW_CMD, "routing", err_str, err_rc);
2720 int lustre_lnet_show_peer(char *knid, int detail, int seq_no,
2721 struct cYAML **show_rc, struct cYAML **err_rc,
2725 * TODO: This function is changing in a future patch to accommodate
2726 * PEER_LIST and proper filtering on any nid of the peer
2728 struct lnet_ioctl_peer_cfg peer_info;
2729 struct lnet_peer_ni_credit_info *lpni_cri;
2730 struct lnet_ioctl_element_stats *lpni_stats;
2731 struct lnet_ioctl_element_msg_stats *msg_stats;
2732 struct lnet_ioctl_peer_ni_hstats *hstats;
2734 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2739 struct cYAML *root = NULL, *peer = NULL, *peer_ni = NULL,
2740 *first_seq = NULL, *peer_root = NULL, *tmp = NULL,
2741 *msg_statistics = NULL, *statistics = NULL,
2743 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2744 struct lnet_process_id *list = NULL;
2749 /* create struct cYAML root object */
2750 root = cYAML_create_object(NULL, NULL);
2754 peer_root = cYAML_create_seq(root, "peer");
2755 if (peer_root == NULL)
2759 size = count * sizeof(struct lnet_process_id);
2760 list = malloc(size);
2766 list[0].nid = libcfs_str2nid(knid);
2770 memset(&peer_info, 0, sizeof(peer_info));
2771 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
2772 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
2773 peer_info.prcfg_size = size;
2774 peer_info.prcfg_bulk = list;
2777 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST,
2779 count = peer_info.prcfg_count;
2783 if (l_errno != E2BIG) {
2786 "\"cannot get peer list: %s\"",
2792 size = peer_info.prcfg_size;
2793 list = malloc(size);
2802 data = malloc(size);
2808 for (i = 0; i < count; i++) {
2810 memset(&peer_info, 0, sizeof(peer_info));
2811 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
2812 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
2813 peer_info.prcfg_prim_nid = list[i].nid;
2814 peer_info.prcfg_size = size;
2815 peer_info.prcfg_bulk = data;
2818 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_NI,
2823 if (l_errno != E2BIG) {
2826 "\"cannot get peer information: %s\"",
2832 size = peer_info.prcfg_size;
2833 data = malloc(size);
2841 peer = cYAML_create_seq_item(peer_root);
2845 if (first_seq == NULL)
2848 lnet_nid_t pnid = peer_info.prcfg_prim_nid;
2849 if (cYAML_create_string(peer, "primary nid",
2850 libcfs_nid2str(pnid))
2853 if (cYAML_create_string(peer, "Multi-Rail",
2854 peer_info.prcfg_mr ? "True" : "False")
2858 * print out the state of the peer only if details are
2863 cYAML_create_number(peer, "peer state",
2864 peer_info.prcfg_state)
2869 tmp = cYAML_create_seq(peer, "peer ni");
2874 for (j = 0; j < peer_info.prcfg_count; j++) {
2876 lpni_cri = (void*)nidp + sizeof(nidp);
2877 lpni_stats = (void *)lpni_cri + sizeof(*lpni_cri);
2878 msg_stats = (void *)lpni_stats + sizeof(*lpni_stats);
2879 hstats = (void *)msg_stats + sizeof(*msg_stats);
2880 lpni_data = (void *)hstats + sizeof(*hstats);
2882 peer_ni = cYAML_create_seq_item(tmp);
2883 if (peer_ni == NULL)
2886 if (cYAML_create_string(peer_ni, "nid",
2887 libcfs_nid2str(*nidp))
2894 if (cYAML_create_string(peer_ni, "state",
2895 lpni_cri->cr_aliveness)
2902 if (cYAML_create_number(peer_ni, "max_ni_tx_credits",
2903 lpni_cri->cr_ni_peer_tx_credits)
2907 if (cYAML_create_number(peer_ni, "available_tx_credits",
2908 lpni_cri->cr_peer_tx_credits)
2912 if (cYAML_create_number(peer_ni, "min_tx_credits",
2913 lpni_cri->cr_peer_min_tx_credits)
2917 if (cYAML_create_number(peer_ni, "tx_q_num_of_buf",
2918 lpni_cri->cr_peer_tx_qnob)
2922 if (cYAML_create_number(peer_ni, "available_rtr_credits",
2923 lpni_cri->cr_peer_rtr_credits)
2927 if (cYAML_create_number(peer_ni, "min_rtr_credits",
2928 lpni_cri->cr_peer_min_rtr_credits)
2932 if (cYAML_create_number(peer_ni, "refcount",
2933 lpni_cri->cr_refcount) == NULL)
2936 statistics = cYAML_create_object(peer_ni, "statistics");
2937 if (statistics == NULL)
2940 if (cYAML_create_number(statistics, "send_count",
2941 lpni_stats->iel_send_count)
2945 if (cYAML_create_number(statistics, "recv_count",
2946 lpni_stats->iel_recv_count)