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;
1883 create_local_udsp_info(struct lnet_ioctl_construct_udsp_info *udsp_info,
1884 struct cYAML *net_node)
1886 char tmp[LNET_MAX_STR_LEN];
1887 struct cYAML *udsp_net;
1888 bool created = false;
1892 /* add the UDSP info */
1893 udsp_net = cYAML_create_object(net_node, "udsp info");
1895 return LUSTRE_CFG_RC_OUT_OF_MEM;
1897 if (!cYAML_create_number(udsp_net, "net priority",
1898 (int) udsp_info->cud_net_priority))
1899 return LUSTRE_CFG_RC_OUT_OF_MEM;
1901 if (!cYAML_create_number(udsp_net, "nid priority",
1902 (int)udsp_info->cud_nid_priority))
1903 return LUSTRE_CFG_RC_OUT_OF_MEM;
1907 for (i = 0; i < LNET_MAX_SHOW_NUM_NID; i++) {
1908 memset(tmp, 0, LNET_MAX_STR_LEN);
1909 if (udsp_info->cud_pref_rtr_nid[i] == 0)
1912 pref = cYAML_create_object(udsp_net,
1913 "Preferred gateway NIDs");
1915 return LUSTRE_CFG_RC_OUT_OF_MEM;
1918 snprintf(tmp, sizeof(tmp), "NID-%d", i);
1919 if (!cYAML_create_string(pref, tmp,
1920 libcfs_nid2str(udsp_info->cud_pref_rtr_nid[i])))
1921 return LUSTRE_CFG_RC_OUT_OF_MEM;
1924 return LUSTRE_CFG_RC_NO_ERR;
1928 create_remote_udsp_info(struct lnet_ioctl_construct_udsp_info *udsp_info,
1929 struct cYAML *nid_node)
1931 char tmp[LNET_MAX_STR_LEN];
1932 struct cYAML *udsp_nid;
1933 bool created = false;
1937 /* add the UDSP info */
1938 udsp_nid = cYAML_create_object(nid_node, "udsp info");
1940 return LUSTRE_CFG_RC_OUT_OF_MEM;
1942 if (!cYAML_create_number(udsp_nid, "net priority",
1943 (int) udsp_info->cud_net_priority))
1944 return LUSTRE_CFG_RC_OUT_OF_MEM;
1946 if (!cYAML_create_number(udsp_nid, "nid priority",
1947 (int) udsp_info->cud_nid_priority))
1948 return LUSTRE_CFG_RC_OUT_OF_MEM;
1951 for (i = 0; i < LNET_MAX_SHOW_NUM_NID; i++) {
1952 memset(tmp, 0, LNET_MAX_STR_LEN);
1953 if (udsp_info->cud_pref_rtr_nid[i] == 0)
1956 pref = cYAML_create_object(udsp_nid,
1957 "Preferred gateway NIDs");
1959 return LUSTRE_CFG_RC_OUT_OF_MEM;
1962 snprintf(tmp, sizeof(tmp), "NID-%d", i);
1963 if (!cYAML_create_string(pref, tmp,
1964 libcfs_nid2str(udsp_info->cud_pref_rtr_nid[i])))
1965 return LUSTRE_CFG_RC_OUT_OF_MEM;
1970 for (i = 0; i < LNET_MAX_SHOW_NUM_NID; i++) {
1971 memset(tmp, 0, LNET_MAX_STR_LEN);
1972 if (udsp_info->cud_pref_nid[i] == 0)
1975 pref = cYAML_create_object(udsp_nid,
1976 "Preferred source NIDs");
1978 return LUSTRE_CFG_RC_OUT_OF_MEM;
1981 snprintf(tmp, sizeof(tmp), "NID-%d", i);
1982 if (!cYAML_create_string(pref, tmp,
1983 libcfs_nid2str(udsp_info->cud_pref_nid[i])))
1984 return LUSTRE_CFG_RC_OUT_OF_MEM;
1987 return LUSTRE_CFG_RC_NO_ERR;
1990 int lustre_lnet_show_net(char *nw, int detail, int seq_no,
1991 struct cYAML **show_rc, struct cYAML **err_rc,
1995 struct lnet_ioctl_config_ni *ni_data;
1996 struct lnet_ioctl_config_lnd_tunables *lnd;
1997 struct lnet_ioctl_element_stats *stats;
1998 struct lnet_ioctl_element_msg_stats msg_stats;
1999 struct lnet_ioctl_local_ni_hstats hstats;
2000 struct lnet_ioctl_construct_udsp_info udsp_info;
2001 __u32 net = LNET_NET_ANY;
2002 __u32 prev_net = LNET_NET_ANY;
2003 int rc = LUSTRE_CFG_RC_OUT_OF_MEM, i, j;
2005 struct cYAML *root = NULL, *tunables = NULL,
2006 *net_node = NULL, *interfaces = NULL,
2007 *item = NULL, *first_seq = NULL,
2008 *tmp = NULL, *statistics = NULL,
2010 int str_buf_len = LNET_MAX_SHOW_NUM_CPT * 2;
2011 char str_buf[str_buf_len];
2013 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2014 bool exist = false, new_net = true;
2016 size_t buf_size = sizeof(*ni_data) + sizeof(*lnd) + sizeof(*stats);
2018 buf = calloc(1, buf_size);
2022 ni_data = (struct lnet_ioctl_config_ni *)buf;
2025 net = libcfs_str2net(nw);
2026 if (net == LNET_NET_ANY) {
2029 "\"cannot parse net '%s'\"", nw);
2030 rc = LUSTRE_CFG_RC_BAD_PARAM;
2035 root = cYAML_create_object(NULL, NULL);
2039 net_node = cYAML_create_seq(root, "net");
2040 if (net_node == NULL)
2046 memset(buf, 0, buf_size);
2048 LIBCFS_IOC_INIT_V2(*ni_data, lic_cfg_hdr);
2050 * set the ioc_len to the proper value since INIT assumes
2053 ni_data->lic_cfg_hdr.ioc_len = buf_size;
2054 ni_data->lic_idx = i;
2056 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LOCAL_NI, ni_data);
2062 rc_net = LNET_NIDNET(ni_data->lic_nid);
2064 /* filter on provided data */
2065 if (net != LNET_NET_ANY &&
2069 /* if we're backing up don't store lo */
2070 if (backup && LNET_NETTYP(rc_net) == LOLND)
2073 /* default rc to -1 in case we hit the goto */
2077 stats = (struct lnet_ioctl_element_stats *)ni_data->lic_bulk;
2078 lnd = (struct lnet_ioctl_config_lnd_tunables *)
2079 (ni_data->lic_bulk + sizeof(*stats));
2081 if (rc_net != prev_net) {
2088 if (!cYAML_create_string(net_node, "net type",
2089 libcfs_net2str(rc_net)))
2092 tmp = cYAML_create_seq(net_node, "local NI(s)");
2098 /* create the tree to be printed. */
2099 item = cYAML_create_seq_item(tmp);
2103 if (first_seq == NULL)
2107 cYAML_create_string(item, "nid",
2108 libcfs_nid2str(ni_data->lic_nid)) == NULL)
2112 cYAML_create_string(item,
2114 (ni_data->lic_status ==
2115 LNET_NI_STATUS_UP) ?
2116 "up" : "down") == NULL)
2119 /* don't add interfaces unless there is at least one
2121 if (strlen(ni_data->lic_ni_intf[0]) > 0) {
2122 interfaces = cYAML_create_object(item, "interfaces");
2123 if (interfaces == NULL)
2126 for (j = 0; j < LNET_INTERFACES_NUM; j++) {
2127 if (strlen(ni_data->lic_ni_intf[j]) > 0) {
2129 sizeof(str_buf), "%d", j);
2130 if (cYAML_create_string(interfaces,
2132 ni_data->lic_ni_intf[j]) ==
2144 goto continue_without_msg_stats;
2146 statistics = cYAML_create_object(item, "statistics");
2147 if (statistics == NULL)
2150 if (cYAML_create_number(statistics, "send_count",
2151 stats->iel_send_count)
2155 if (cYAML_create_number(statistics, "recv_count",
2156 stats->iel_recv_count)
2160 if (cYAML_create_number(statistics, "drop_count",
2161 stats->iel_drop_count)
2166 goto continue_without_udsp_info;
2168 LIBCFS_IOC_INIT_V2(udsp_info, cud_hdr);
2169 udsp_info.cud_nid = ni_data->lic_nid;
2170 udsp_info.cud_peer = false;
2171 rc = l_ioctl(LNET_DEV_ID,
2172 IOC_LIBCFS_GET_CONST_UDSP_INFO,
2176 goto continue_without_udsp_info;
2179 rc = create_local_udsp_info(&udsp_info, item);
2185 continue_without_udsp_info:
2187 goto continue_without_msg_stats;
2189 LIBCFS_IOC_INIT_V2(msg_stats, im_hdr);
2190 msg_stats.im_hdr.ioc_len = sizeof(msg_stats);
2191 msg_stats.im_idx = i;
2193 rc = l_ioctl(LNET_DEV_ID,
2194 IOC_LIBCFS_GET_LOCAL_NI_MSG_STATS,
2198 goto continue_without_msg_stats;
2201 for (k = 0; k < 3; k++) {
2202 struct lnet_ioctl_comm_count *counts;
2203 struct cYAML *msg_statistics = NULL;
2205 msg_statistics = cYAML_create_object(item,
2206 (char *)gmsg_stat_names[k]);
2207 if (msg_statistics == NULL)
2210 counts = get_counts(&msg_stats, k);
2214 if (!add_msg_stats_to_yaml_blk(msg_statistics,
2219 LIBCFS_IOC_INIT_V2(hstats, hlni_hdr);
2220 hstats.hlni_nid = ni_data->lic_nid;
2221 /* grab health stats */
2222 rc = l_ioctl(LNET_DEV_ID,
2223 IOC_LIBCFS_GET_LOCAL_HSTATS,
2227 goto continue_without_msg_stats;
2229 yhstats = cYAML_create_object(item, "health stats");
2232 if (cYAML_create_number(yhstats, "health value",
2233 hstats.hlni_health_value)
2236 if (cYAML_create_number(yhstats, "interrupts",
2237 hstats.hlni_local_interrupt)
2240 if (cYAML_create_number(yhstats, "dropped",
2241 hstats.hlni_local_dropped)
2244 if (cYAML_create_number(yhstats, "aborted",
2245 hstats.hlni_local_aborted)
2248 if (cYAML_create_number(yhstats, "no route",
2249 hstats.hlni_local_no_route)
2252 if (cYAML_create_number(yhstats, "timeouts",
2253 hstats.hlni_local_timeout)
2256 if (cYAML_create_number(yhstats, "error",
2257 hstats.hlni_local_error)
2261 continue_without_msg_stats:
2262 tunables = cYAML_create_object(item, "tunables");
2266 rc = lustre_net_show_tunables(tunables, &lnd->lt_cmn);
2267 if (rc != LUSTRE_CFG_RC_NO_ERR)
2270 rc = lustre_ni_show_tunables(tunables, LNET_NETTYP(rc_net),
2272 if (rc != LUSTRE_CFG_RC_NO_ERR &&
2273 rc != LUSTRE_CFG_RC_NO_MATCH)
2276 if (rc != LUSTRE_CFG_RC_NO_MATCH) {
2277 tunables = cYAML_create_object(item,
2279 if (tunables == NULL)
2284 cYAML_create_number(item, "dev cpt",
2285 ni_data->lic_dev_cpt) == NULL)
2289 cYAML_create_number(item, "tcp bonding",
2290 ni_data->lic_tcp_bonding)
2294 /* out put the CPTs in the format: "[x,x,x,...]" */
2296 limit = str_buf + str_buf_len - 3;
2297 pos += scnprintf(pos, limit - pos, "\"[");
2298 for (j = 0 ; ni_data->lic_ncpts >= 1 &&
2299 j < ni_data->lic_ncpts &&
2301 pos += scnprintf(pos, limit - pos,
2302 "%d", ni_data->lic_cpts[j]);
2303 if ((j + 1) < ni_data->lic_ncpts)
2304 pos += scnprintf(pos, limit - pos, ",");
2306 snprintf(pos, 3, "]\"");
2308 if (ni_data->lic_ncpts >= 1 &&
2309 cYAML_create_string(item, "CPT",
2315 /* Print out the net information only if show_rc is not provided */
2316 if (show_rc == NULL)
2317 cYAML_print_tree(root);
2319 if (l_errno != ENOENT) {
2322 "\"cannot get networks: %s\"",
2327 rc = LUSTRE_CFG_RC_NO_ERR;
2329 snprintf(err_str, sizeof(err_str), "\"success\"");
2331 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2332 cYAML_free_tree(root);
2333 } else if (show_rc != NULL && *show_rc != NULL) {
2334 struct cYAML *show_node;
2335 /* find the net node, if one doesn't exist
2336 * then insert one. Otherwise add to the one there
2338 show_node = cYAML_get_object_item(*show_rc, "net");
2339 if (show_node != NULL && cYAML_is_sequence(show_node)) {
2340 cYAML_insert_child(show_node, first_seq);
2343 } else if (show_node == NULL) {
2344 cYAML_insert_sibling((*show_rc)->cy_child,
2348 cYAML_free_tree(root);
2354 cYAML_build_error(rc, seq_no, SHOW_CMD, "net", err_str, err_rc);
2359 int lustre_lnet_enable_routing(int enable, int seq_no, struct cYAML **err_rc)
2361 struct lnet_ioctl_config_data data;
2362 int rc = LUSTRE_CFG_RC_NO_ERR;
2363 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2365 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2366 data.cfg_config_u.cfg_buffers.buf_enable = (enable) ? 1 : 0;
2368 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIG_RTR, &data);
2373 "\"cannot %s routing %s\"",
2374 (enable) ? "enable" : "disable", strerror(errno));
2379 cYAML_build_error(rc, seq_no,
2380 (enable) ? ADD_CMD : DEL_CMD,
2381 "routing", err_str, err_rc);
2386 int ioctl_set_value(__u32 val, int ioc, char *name,
2387 int seq_no, struct cYAML **err_rc)
2389 struct lnet_ioctl_set_value data;
2390 int rc = LUSTRE_CFG_RC_NO_ERR;
2391 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2393 LIBCFS_IOC_INIT_V2(data, sv_hdr);
2394 data.sv_value = val;
2396 rc = l_ioctl(LNET_DEV_ID, ioc , &data);
2401 "\"cannot configure %s to %d: %s\"", name,
2402 val, strerror(errno));
2405 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
2410 int lustre_lnet_config_recov_intrv(int intrv, int seq_no, struct cYAML **err_rc)
2412 int rc = LUSTRE_CFG_RC_NO_ERR;
2413 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2414 char val[LNET_MAX_STR_LEN];
2416 snprintf(val, sizeof(val), "%d", intrv);
2418 rc = write_sysfs_file(modparam_path, "lnet_recovery_interval", val,
2419 1, strlen(val) + 1);
2421 snprintf(err_str, sizeof(err_str),
2422 "\"cannot configure recovery interval: %s\"",
2425 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_interval", err_str, err_rc);
2430 int lustre_lnet_config_rtr_sensitivity(int sen, int seq_no, struct cYAML **err_rc)
2432 int rc = LUSTRE_CFG_RC_NO_ERR;
2433 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2434 char val[LNET_MAX_STR_LEN];
2436 snprintf(val, sizeof(val), "%d", sen);
2438 rc = write_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
2439 1, strlen(val) + 1);
2441 snprintf(err_str, sizeof(err_str),
2442 "\"cannot configure router health sensitivity: %s\"",
2445 cYAML_build_error(rc, seq_no, ADD_CMD, "router_sensitivity", err_str, err_rc);
2450 int lustre_lnet_config_hsensitivity(int sen, int seq_no, struct cYAML **err_rc)
2452 int rc = LUSTRE_CFG_RC_NO_ERR;
2453 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2454 char val[LNET_MAX_STR_LEN];
2456 snprintf(val, sizeof(val), "%d", sen);
2458 rc = write_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
2459 1, strlen(val) + 1);
2461 snprintf(err_str, sizeof(err_str),
2462 "\"cannot configure health sensitivity: %s\"",
2465 cYAML_build_error(rc, seq_no, ADD_CMD, "health_sensitivity", err_str, err_rc);
2470 int lustre_lnet_config_transaction_to(int timeout, int seq_no, struct cYAML **err_rc)
2472 int rc = LUSTRE_CFG_RC_NO_ERR;
2473 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2474 char val[LNET_MAX_STR_LEN];
2476 snprintf(val, sizeof(val), "%d", timeout);
2478 rc = write_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
2479 1, strlen(val) + 1);
2481 snprintf(err_str, sizeof(err_str),
2482 "\"cannot configure transaction timeout: %s\"",
2485 cYAML_build_error(rc, seq_no, ADD_CMD, "transaction_timeout", err_str, err_rc);
2490 int lustre_lnet_config_retry_count(int count, int seq_no, struct cYAML **err_rc)
2492 int rc = LUSTRE_CFG_RC_NO_ERR;
2493 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2494 char val[LNET_MAX_STR_LEN];
2496 snprintf(val, sizeof(val), "%d", count);
2498 rc = write_sysfs_file(modparam_path, "lnet_retry_count", val,
2499 1, strlen(val) + 1);
2501 snprintf(err_str, sizeof(err_str),
2502 "\"cannot configure retry count: %s\"",
2505 cYAML_build_error(rc, seq_no, ADD_CMD, "retry_count", err_str, err_rc);
2510 int lustre_lnet_config_response_tracking(int val, int seq_no,
2511 struct cYAML **err_rc)
2513 int rc = LUSTRE_CFG_RC_NO_ERR;
2514 char err_str[LNET_MAX_STR_LEN];
2515 char val_str[LNET_MAX_STR_LEN];
2517 if (val < 0 || val > 3) {
2518 rc = LUSTRE_CFG_RC_BAD_PARAM;
2519 snprintf(err_str, sizeof(err_str),
2520 "\"Valid values are: 0, 1, 2, or 3\"");
2522 snprintf(err_str, sizeof(err_str), "\"success\"");
2524 snprintf(val_str, sizeof(val_str), "%d", val);
2526 rc = write_sysfs_file(modparam_path, "lnet_response_tracking",
2527 val_str, 1, strlen(val_str) + 1);
2529 snprintf(err_str, sizeof(err_str),
2530 "\"cannot configure response tracking: %s\"",
2534 cYAML_build_error(rc, seq_no, ADD_CMD, "response_tracking", err_str,
2540 int lustre_lnet_config_recovery_limit(int val, int seq_no,
2541 struct cYAML **err_rc)
2543 int rc = LUSTRE_CFG_RC_NO_ERR;
2544 char err_str[LNET_MAX_STR_LEN];
2545 char val_str[LNET_MAX_STR_LEN];
2548 rc = LUSTRE_CFG_RC_BAD_PARAM;
2549 snprintf(err_str, sizeof(err_str),
2550 "\"Must be greater than or equal to 0\"");
2552 snprintf(err_str, sizeof(err_str), "\"success\"");
2554 snprintf(val_str, sizeof(val_str), "%d", val);
2556 rc = write_sysfs_file(modparam_path, "lnet_recovery_limit",
2557 val_str, 1, strlen(val_str) + 1);
2559 snprintf(err_str, sizeof(err_str),
2560 "\"cannot configure recovery limit: %s\"",
2564 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_limit", err_str,
2570 int lustre_lnet_config_max_intf(int max, int seq_no, struct cYAML **err_rc)
2572 int rc = LUSTRE_CFG_RC_NO_ERR;
2573 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2574 char val[LNET_MAX_STR_LEN];
2576 snprintf(val, sizeof(val), "%d", max);
2578 rc = write_sysfs_file(modparam_path, "lnet_interfaces_max", val,
2579 1, strlen(val) + 1);
2581 snprintf(err_str, sizeof(err_str),
2582 "\"cannot configure max interfaces: %s\"",
2585 cYAML_build_error(rc, seq_no, ADD_CMD, "max_interfaces", err_str, err_rc);
2590 int lustre_lnet_config_discovery(int enable, int seq_no, struct cYAML **err_rc)
2592 int rc = LUSTRE_CFG_RC_NO_ERR;
2593 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2594 char val[LNET_MAX_STR_LEN];
2596 snprintf(val, sizeof(val), "%u", (enable) ? 0 : 1);
2598 rc = write_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
2599 1, strlen(val) + 1);
2601 snprintf(err_str, sizeof(err_str),
2602 "\"cannot configure discovery: %s\"",
2605 cYAML_build_error(rc, seq_no, ADD_CMD, "discovery", err_str, err_rc);
2611 int lustre_lnet_config_drop_asym_route(int drop, int seq_no,
2612 struct cYAML **err_rc)
2614 int rc = LUSTRE_CFG_RC_NO_ERR;
2615 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2616 char val[LNET_MAX_STR_LEN];
2618 snprintf(val, sizeof(val), "%u", (drop) ? 1 : 0);
2620 rc = write_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
2621 1, strlen(val) + 1);
2623 snprintf(err_str, sizeof(err_str),
2624 "\"cannot configure drop asym route: %s\"",
2627 cYAML_build_error(rc, seq_no, ADD_CMD, "drop_asym_route",
2634 int lustre_lnet_config_numa_range(int range, int seq_no, struct cYAML **err_rc)
2636 return ioctl_set_value(range, IOC_LIBCFS_SET_NUMA_RANGE,
2637 "numa_range", seq_no, err_rc);
2640 int lustre_lnet_config_buffers(int tiny, int small, int large, int seq_no,
2641 struct cYAML **err_rc)
2643 struct lnet_ioctl_config_data data;
2644 int rc = LUSTRE_CFG_RC_NO_ERR;
2645 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2647 /* -1 indicates to ignore changes to this field */
2648 if (tiny < -1 || small < -1 || large < -1) {
2651 "\"tiny, small and large must be >= 0\"");
2652 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
2656 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2657 data.cfg_config_u.cfg_buffers.buf_tiny = tiny;
2658 data.cfg_config_u.cfg_buffers.buf_small = small;
2659 data.cfg_config_u.cfg_buffers.buf_large = large;
2661 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_BUF, &data);
2666 "\"cannot configure buffers: %s\"", strerror(errno));
2671 cYAML_build_error(rc, seq_no, ADD_CMD, "buf", err_str, err_rc);
2676 int lustre_lnet_show_routing(int seq_no, struct cYAML **show_rc,
2677 struct cYAML **err_rc, bool backup)
2679 struct lnet_ioctl_config_data *data;
2680 struct lnet_ioctl_pool_cfg *pool_cfg = NULL;
2681 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2684 char *pools[LNET_NRBPOOLS] = {"tiny", "small", "large"};
2685 int buf_count[LNET_NRBPOOLS] = {0};
2686 struct cYAML *root = NULL, *pools_node = NULL,
2687 *type_node = NULL, *item = NULL, *cpt = NULL,
2688 *first_seq = NULL, *buffers = NULL;
2690 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2691 char node_name[LNET_MAX_STR_LEN];
2694 buf = calloc(1, sizeof(*data) + sizeof(*pool_cfg));
2698 data = (struct lnet_ioctl_config_data *)buf;
2700 root = cYAML_create_object(NULL, NULL);
2705 pools_node = cYAML_create_object(root, "routing");
2707 pools_node = cYAML_create_seq(root, "routing");
2708 if (pools_node == NULL)
2712 LIBCFS_IOC_INIT_V2(*data, cfg_hdr);
2713 data->cfg_hdr.ioc_len = sizeof(struct lnet_ioctl_config_data) +
2714 sizeof(struct lnet_ioctl_pool_cfg);
2715 data->cfg_count = i;
2717 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_BUF, data);
2725 pool_cfg = (struct lnet_ioctl_pool_cfg *)data->cfg_bulk;
2728 goto calculate_buffers;
2730 snprintf(node_name, sizeof(node_name), "cpt[%d]", i);
2731 item = cYAML_create_seq_item(pools_node);
2735 if (first_seq == NULL)
2738 cpt = cYAML_create_object(item, node_name);
2743 /* create the tree and print */
2744 for (j = 0; j < LNET_NRBPOOLS; j++) {
2746 type_node = cYAML_create_object(cpt, pools[j]);
2747 if (type_node == NULL)
2751 cYAML_create_number(type_node, "npages",
2752 pool_cfg->pl_pools[j].pl_npages)
2756 cYAML_create_number(type_node, "nbuffers",
2757 pool_cfg->pl_pools[j].
2758 pl_nbuffers) == NULL)
2761 cYAML_create_number(type_node, "credits",
2762 pool_cfg->pl_pools[j].
2763 pl_credits) == NULL)
2766 cYAML_create_number(type_node, "mincredits",
2767 pool_cfg->pl_pools[j].
2768 pl_mincredits) == NULL)
2770 /* keep track of the total count for each of the
2771 * tiny, small and large buffers */
2772 buf_count[j] += pool_cfg->pl_pools[j].pl_nbuffers;
2776 if (pool_cfg != NULL) {
2778 if (cYAML_create_number(pools_node, "enable",
2779 pool_cfg->pl_routing) ==
2783 goto add_buffer_section;
2786 item = cYAML_create_seq_item(pools_node);
2790 if (cYAML_create_number(item, "enable", pool_cfg->pl_routing) ==
2796 /* create a buffers entry in the show. This is necessary so that
2797 * if the YAML output is used to configure a node, the buffer
2798 * configuration takes hold */
2799 buffers = cYAML_create_object(root, "buffers");
2800 if (buffers == NULL)
2803 for (i = 0; i < LNET_NRBPOOLS; i++) {
2804 if (cYAML_create_number(buffers, pools[i], buf_count[i]) == NULL)
2808 if (show_rc == NULL)
2809 cYAML_print_tree(root);
2811 if (l_errno != ENOENT) {
2814 "\"cannot get routing information: %s\"",
2819 rc = LUSTRE_CFG_RC_NO_ERR;
2821 snprintf(err_str, sizeof(err_str), "\"success\"");
2822 rc = LUSTRE_CFG_RC_NO_ERR;
2826 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2827 cYAML_free_tree(root);
2828 } else if (show_rc != NULL && *show_rc != NULL) {
2829 struct cYAML *routing_node;
2830 /* there should exist only one routing block and one
2831 * buffers block. If there already exists a previous one
2832 * then don't add another */
2833 routing_node = cYAML_get_object_item(*show_rc, "routing");
2834 if (routing_node == NULL) {
2835 cYAML_insert_sibling((*show_rc)->cy_child,
2839 cYAML_free_tree(root);
2845 cYAML_build_error(rc, seq_no, SHOW_CMD, "routing", err_str, err_rc);
2850 int lustre_lnet_show_peer(char *knid, int detail, int seq_no,
2851 struct cYAML **show_rc, struct cYAML **err_rc,
2855 * TODO: This function is changing in a future patch to accommodate
2856 * PEER_LIST and proper filtering on any nid of the peer
2858 struct lnet_ioctl_peer_cfg peer_info;
2859 struct lnet_peer_ni_credit_info *lpni_cri;
2860 struct lnet_ioctl_element_stats *lpni_stats;
2861 struct lnet_ioctl_element_msg_stats *msg_stats;
2862 struct lnet_ioctl_peer_ni_hstats *hstats;
2863 struct lnet_ioctl_construct_udsp_info udsp_info;
2865 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2870 struct cYAML *root = NULL, *peer = NULL, *peer_ni = NULL,
2871 *first_seq = NULL, *peer_root = NULL, *tmp = NULL,
2872 *msg_statistics = NULL, *statistics = NULL,
2874 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2875 struct lnet_process_id *list = NULL;
2880 /* create struct cYAML root object */
2881 root = cYAML_create_object(NULL, NULL);
2885 peer_root = cYAML_create_seq(root, "peer");
2886 if (peer_root == NULL)
2890 size = count * sizeof(struct lnet_process_id);
2891 list = malloc(size);
2897 list[0].nid = libcfs_str2nid(knid);
2901 memset(&peer_info, 0, sizeof(peer_info));
2902 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
2903 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
2904 peer_info.prcfg_size = size;
2905 peer_info.prcfg_bulk = list;
2908 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST,
2910 count = peer_info.prcfg_count;
2914 if (l_errno != E2BIG) {
2917 "\"cannot get peer list: %s\"",
2923 size = peer_info.prcfg_size;
2924 list = malloc(size);
2933 data = malloc(size);
2939 for (i = 0; i < count; i++) {
2941 memset(&peer_info, 0, sizeof(peer_info));
2942 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
2943 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
2944 peer_info.prcfg_prim_nid = list[i].nid;
2945 peer_info.prcfg_size = size;
2946 peer_info.prcfg_bulk = data;
2949 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_NI,
2954 if (l_errno != E2BIG) {
2957 "\"cannot get peer information: %s\"",
2963 size = peer_info.prcfg_size;
2964 data = malloc(size);
2972 peer = cYAML_create_seq_item(peer_root);
2976 if (first_seq == NULL)
2979 lnet_nid_t pnid = peer_info.prcfg_prim_nid;
2980 if (cYAML_create_string(peer, "primary nid",
2981 libcfs_nid2str(pnid))
2984 if (cYAML_create_string(peer, "Multi-Rail",
2985 peer_info.prcfg_mr ? "True" : "False")
2989 * print out the state of the peer only if details are
2994 cYAML_create_number(peer, "peer state",
2995 peer_info.prcfg_state)
3000 tmp = cYAML_create_seq(peer, "peer ni");
3005 for (j = 0; j < peer_info.prcfg_count; j++) {
3007 lpni_cri = (void*)nidp + sizeof(nidp);
3008 lpni_stats = (void *)lpni_cri + sizeof(*lpni_cri);
3009 msg_stats = (void *)lpni_stats + sizeof(*lpni_stats);
3010 hstats = (void *)msg_stats + sizeof(*msg_stats);
3011 lpni_data = (void *)hstats + sizeof(*hstats);
3013 peer_ni = cYAML_create_seq_item(tmp);
3014 if (peer_ni == NULL)
3017 if (cYAML_create_string(peer_ni, "nid",
3018 libcfs_nid2str(*nidp))
3026 goto continue_without_udsp_info;
3028 LIBCFS_IOC_INIT_V2(udsp_info, cud_hdr);
3029 udsp_info.cud_nid = *nidp;
3030 udsp_info.cud_peer = true;
3031 rc = l_ioctl(LNET_DEV_ID,
3032 IOC_LIBCFS_GET_CONST_UDSP_INFO,
3036 goto continue_without_udsp_info;
3039 rc = create_remote_udsp_info(&udsp_info, peer_ni);
3045 continue_without_udsp_info:
3046 if (cYAML_create_string(peer_ni, "state",
3047 lpni_cri->cr_aliveness)
3054 if (cYAML_create_number(peer_ni, "max_ni_tx_credits",
3055 lpni_cri->cr_ni_peer_tx_credits)
3059 if (cYAML_create_number(peer_ni, "available_tx_credits",
3060 lpni_cri->cr_peer_tx_credits)
3064 if (cYAML_create_number(peer_ni, "min_tx_credits",
3065 lpni_cri->cr_peer_min_tx_credits)
3069 if (cYAML_create_number(peer_ni, "tx_q_num_of_buf",
3070 lpni_cri->cr_peer_tx_qnob)
3074 if (cYAML_create_number(peer_ni, "available_rtr_credits",
3075 lpni_cri->cr_peer_rtr_credits)
3079 if (cYAML_create_number(peer_ni, "min_rtr_credits",
3080 lpni_cri->cr_peer_min_rtr_credits)
3084 if (cYAML_create_number(peer_ni, "refcount",
3085 lpni_cri->cr_refcount) == NULL)
3088 statistics = cYAML_create_object(peer_ni, "statistics");
3089 if (statistics == NULL)
3092 if (cYAML_create_number(statistics, "send_count",
3093 lpni_stats->iel_send_count)
3097 if (cYAML_create_number(statistics, "recv_count",
3098 lpni_stats->iel_recv_count)
3102 if (cYAML_create_number(statistics, "drop_count",
3103 lpni_stats->iel_drop_count)
3110 for (k = 0; k < 3; k++) {
3111 struct lnet_ioctl_comm_count *counts;
3113 msg_statistics = cYAML_create_object(peer_ni,
3114 (char *) gmsg_stat_names[k]);
3115 if (msg_statistics == NULL)
3118 counts = get_counts(msg_stats, k);
3122 if (!add_msg_stats_to_yaml_blk(msg_statistics,
3127 yhstats = cYAML_create_object(peer_ni, "health stats");
3130 if (cYAML_create_number(yhstats, "health value",
3131 hstats->hlpni_health_value)
3134 if (cYAML_create_number(yhstats, "dropped",
3135 hstats->hlpni_remote_dropped)
3138 if (cYAML_create_number(yhstats, "timeout",
3139 hstats->hlpni_remote_timeout)
3142 if (cYAML_create_number(yhstats, "error",
3143 hstats->hlpni_remote_error)
3146 if (cYAML_create_number(yhstats, "network timeout",
3147 hstats->hlpni_network_timeout)
3153 /* print output iff show_rc is not provided */
3154 if (show_rc == NULL)
3155 cYAML_print_tree(root);
3157 snprintf(err_str, sizeof(err_str), "\"success\"");
3158 rc = LUSTRE_CFG_RC_NO_ERR;
3163 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
3164 cYAML_free_tree(root);
3165 } else if (show_rc != NULL && *show_rc != NULL) {
3166 struct cYAML *show_node;
3167 /* find the peer node, if one doesn't exist then
3168 * insert one. Otherwise add to the one there
3170 show_node = cYAML_get_object_item(*show_rc,
3172 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3173 cYAML_insert_child(show_node, first_seq);
3176 } else if (show_node == NULL) {
3177 cYAML_insert_sibling((*show_rc)->cy_child,
3181 cYAML_free_tree(root);
3187 cYAML_build_error(rc, seq_no, SHOW_CMD, "peer", err_str,
3193 int lustre_lnet_list_peer(int seq_no,
3194 struct cYAML **show_rc, struct cYAML **err_rc)
3196 struct lnet_ioctl_peer_cfg peer_info;
3197 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3202 struct cYAML *root = NULL, *list_root = NULL, *first_seq = NULL;
3203 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3204 struct lnet_process_id *list = NULL;
3206 memset(&peer_info, 0, sizeof(peer_info));
3208 /* create struct cYAML root object */
3209 root = cYAML_create_object(NULL, NULL);
3213 list_root = cYAML_create_seq(root, "peer list");
3214 if (list_root == NULL)
3218 size = count * sizeof(struct lnet_process_id);
3219 list = malloc(size);
3225 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
3226 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
3227 peer_info.prcfg_size = size;
3228 peer_info.prcfg_bulk = list;
3231 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST, &peer_info);
3232 count = peer_info.prcfg_count;
3236 if (l_errno != E2BIG) {
3239 "\"cannot get peer list: %s\"",
3245 size = peer_info.prcfg_size;
3246 list = malloc(size);
3253 /* count is now the actual number of ids in the list. */
3254 for (i = 0; i < count; i++) {
3255 if (cYAML_create_string(list_root, "nid",
3256 libcfs_nid2str(list[i].nid))
3261 /* print output iff show_rc is not provided */
3262 if (show_rc == NULL)
3263 cYAML_print_tree(root);
3265 snprintf(err_str, sizeof(err_str), "\"success\"");
3266 rc = LUSTRE_CFG_RC_NO_ERR;
3271 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3272 cYAML_free_tree(root);
3273 } else if (show_rc != NULL && *show_rc != NULL) {
3274 struct cYAML *show_node;
3275 /* find the peer node, if one doesn't exist then
3276 * insert one. Otherwise add to the one there
3278 show_node = cYAML_get_object_item(*show_rc,
3280 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3281 cYAML_insert_child(show_node, first_seq);
3284 } else if (show_node == NULL) {
3285 cYAML_insert_sibling((*show_rc)->cy_child,
3289 cYAML_free_tree(root);
3295 cYAML_build_error(rc, seq_no, SHOW_CMD, "peer", err_str,
3301 static void add_to_global(struct cYAML *show_rc, struct cYAML *node,
3304 struct cYAML *show_node;
3306 show_node = cYAML_get_object_item(show_rc, "global");
3307 if (show_node != NULL)
3308 cYAML_insert_sibling(show_node->cy_child,
3311 cYAML_insert_sibling(show_rc->cy_child,
3316 static int build_global_yaml_entry(char *err_str, int err_len, int seq_no,
3317 char *name, __u64 value,
3318 struct cYAML **show_rc,
3319 struct cYAML **err_rc, int err)
3321 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3322 struct cYAML *root = NULL, *global = NULL;
3329 root = cYAML_create_object(NULL, NULL);
3333 global = cYAML_create_object(root, "global");
3337 if (cYAML_create_number(global, name,
3341 if (show_rc == NULL)
3342 cYAML_print_tree(root);
3344 snprintf(err_str, err_len, "\"success\"");
3346 rc = LUSTRE_CFG_RC_NO_ERR;
3349 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3350 cYAML_free_tree(root);
3351 } else if (show_rc != NULL && *show_rc != NULL) {
3352 add_to_global(*show_rc, global, root);
3357 cYAML_build_error(rc, seq_no, SHOW_CMD, "global", err_str, err_rc);
3362 static int ioctl_show_global_values(int ioc, int seq_no, char *name,
3363 struct cYAML **show_rc,
3364 struct cYAML **err_rc)
3366 struct lnet_ioctl_set_value data;
3369 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3371 LIBCFS_IOC_INIT_V2(data, sv_hdr);
3373 rc = l_ioctl(LNET_DEV_ID, ioc, &data);
3378 "\"cannot get %s: %s\"",
3379 name, strerror(l_errno));
3382 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no, name,
3383 data.sv_value, show_rc, err_rc, l_errno);
3386 int lustre_lnet_show_recov_intrv(int seq_no, struct cYAML **show_rc,
3387 struct cYAML **err_rc)
3389 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3390 char val[LNET_MAX_STR_LEN];
3391 int intrv = -1, l_errno = 0;
3392 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3394 rc = read_sysfs_file(modparam_path, "lnet_recovery_interval", val,
3398 snprintf(err_str, sizeof(err_str),
3399 "\"cannot get recovery interval: %d\"", rc);
3404 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3405 "recovery_interval", intrv, show_rc,
3409 int lustre_lnet_show_hsensitivity(int seq_no, struct cYAML **show_rc,
3410 struct cYAML **err_rc)
3412 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3413 char val[LNET_MAX_STR_LEN];
3414 int sen = -1, l_errno = 0;
3415 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3417 rc = read_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
3421 snprintf(err_str, sizeof(err_str),
3422 "\"cannot get health sensitivity: %d\"", rc);
3427 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3428 "health_sensitivity", sen, show_rc,
3432 int lustre_lnet_show_rtr_sensitivity(int seq_no, struct cYAML **show_rc,
3433 struct cYAML **err_rc)
3435 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3436 char val[LNET_MAX_STR_LEN];
3437 int sen = -1, l_errno = 0;
3438 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3440 rc = read_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
3444 snprintf(err_str, sizeof(err_str),
3445 "\"cannot get router sensitivity percentage: %d\"", rc);
3450 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3451 "router_sensitivity", sen, show_rc,
3455 int lustre_lnet_show_lnd_timeout(int seq_no, struct cYAML **show_rc,
3456 struct cYAML **err_rc)
3458 char val[LNET_MAX_STR_LEN];
3459 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3466 rc = cfs_get_param_paths(&path, "lnet_lnd_timeout");
3469 snprintf(err_str, sizeof(err_str),
3470 "\"cannot get LND timeout: %d\"", rc);
3471 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3472 "lnd_timeout", lnd_to, show_rc,
3476 fd = open(path.gl_pathv[0], O_RDONLY);
3479 snprintf(err_str, sizeof(err_str),
3480 "\"error opening %s\"", path.gl_pathv[0]);
3484 rc = read(fd, val, sizeof(val));
3491 snprintf(err_str, sizeof(err_str),
3492 "\"error reading %s\"", path.gl_pathv[0]);
3499 cfs_free_param_data(&path);
3501 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3502 "lnd_timeout", lnd_to, show_rc,
3506 int lustre_lnet_show_transaction_to(int seq_no, struct cYAML **show_rc,
3507 struct cYAML **err_rc)
3509 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3510 char val[LNET_MAX_STR_LEN];
3511 int tto = -1, l_errno = 0;
3512 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3514 rc = read_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
3518 snprintf(err_str, sizeof(err_str),
3519 "\"cannot get transaction timeout: %d\"", rc);
3524 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3525 "transaction_timeout", tto, show_rc,
3529 int lustre_lnet_show_retry_count(int seq_no, struct cYAML **show_rc,
3530 struct cYAML **err_rc)
3532 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3533 char val[LNET_MAX_STR_LEN];
3534 int retry_count = -1, l_errno = 0;
3535 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3537 rc = read_sysfs_file(modparam_path, "lnet_retry_count", val,
3541 snprintf(err_str, sizeof(err_str),
3542 "\"cannot get retry count: %d\"", rc);
3544 retry_count = atoi(val);
3547 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3548 "retry_count", retry_count, show_rc,
3552 int lustre_lnet_calc_service_id(__u64 *service_id)
3554 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3555 char val[LNET_MAX_STR_LEN];
3556 int service_port = -1, l_errno = 0;
3558 rc = read_sysfs_file(o2ib_modparam_path, "service", val,
3562 fprintf(stderr, "error:\n msg: \"cannot get service port: %s (%d)\"\n",
3563 strerror(l_errno), -l_errno);
3566 service_port = atoi(val);
3569 *service_id = htobe64(((__u64)RDMA_PS_TCP << 16) + service_port);
3571 return LUSTRE_CFG_RC_NO_ERR;
3574 int show_recovery_queue(enum lnet_health_type type, char *name, int seq_no,
3575 struct cYAML **show_rc, struct cYAML **err_rc)
3577 struct lnet_ioctl_recovery_list nid_list;
3578 struct cYAML *root = NULL, *nids = NULL;
3580 char err_str[LNET_MAX_STR_LEN] = "failed to print recovery queue\n";
3582 LIBCFS_IOC_INIT_V2(nid_list, rlst_hdr);
3583 nid_list.rlst_type = type;
3585 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_RECOVERY_QUEUE, &nid_list);
3591 if (nid_list.rlst_num_nids == 0)
3594 root = cYAML_create_object(NULL, NULL);
3598 nids = cYAML_create_object(root, name);
3604 for (i = 0; i < nid_list.rlst_num_nids; i++) {
3605 char nidenum[LNET_MAX_STR_LEN];
3606 snprintf(nidenum, sizeof(nidenum), "nid-%d", i);
3607 if (!cYAML_create_string(nids, nidenum,
3608 libcfs_nid2str(nid_list.rlst_nid_array[i])))
3612 snprintf(err_str, sizeof(err_str), "success\n");
3617 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3618 cYAML_free_tree(root);
3619 } else if (show_rc != NULL && *show_rc != NULL) {
3620 struct cYAML *show_node;
3621 /* find the net node, if one doesn't exist
3622 * then insert one. Otherwise add to the one there
3624 show_node = cYAML_get_object_item(*show_rc, name);
3625 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3626 cYAML_insert_child(show_node, nids);
3629 } else if (show_node == NULL) {
3630 cYAML_insert_sibling((*show_rc)->cy_child,
3634 cYAML_free_tree(root);
3640 cYAML_build_error(rc, seq_no, SHOW_CMD, name, err_str, err_rc);
3645 int lustre_lnet_show_local_ni_recovq(int seq_no, struct cYAML **show_rc,
3646 struct cYAML **err_rc)
3648 return show_recovery_queue(LNET_HEALTH_TYPE_LOCAL_NI, "local NI recovery",
3649 seq_no, show_rc, err_rc);
3652 int lustre_lnet_show_peer_ni_recovq(int seq_no, struct cYAML **show_rc,
3653 struct cYAML **err_rc)
3655 return show_recovery_queue(LNET_HEALTH_TYPE_PEER_NI, "peer NI recovery",
3656 seq_no, show_rc, err_rc);
3659 int lustre_lnet_show_response_tracking(int seq_no, struct cYAML **show_rc,
3660 struct cYAML **err_rc)
3662 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3663 char val[LNET_MAX_STR_LEN];
3664 int rsp_tracking = -1, l_errno = 0;
3665 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3667 rc = read_sysfs_file(modparam_path, "lnet_response_tracking", val,
3671 snprintf(err_str, sizeof(err_str),
3672 "\"cannot get lnet_response_tracking value: %d\"", rc);
3674 rsp_tracking = atoi(val);
3677 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3678 "response_tracking", rsp_tracking,
3679 show_rc, err_rc, l_errno);
3682 int lustre_lnet_show_recovery_limit(int seq_no, struct cYAML **show_rc,
3683 struct cYAML **err_rc)
3685 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3686 char val[LNET_MAX_STR_LEN];
3687 int recov_limit = -1, l_errno = 0;
3688 char err_str[LNET_MAX_STR_LEN];
3690 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3692 rc = read_sysfs_file(modparam_path, "lnet_recovery_limit", val,
3696 snprintf(err_str, sizeof(err_str),
3697 "\"cannot get lnet_recovery_limit value: %d\"", rc);
3699 recov_limit = atoi(val);
3702 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3703 "recovery_limit", recov_limit,
3704 show_rc, err_rc, l_errno);
3707 int lustre_lnet_show_max_intf(int seq_no, struct cYAML **show_rc,
3708 struct cYAML **err_rc)
3710 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3711 char val[LNET_MAX_STR_LEN];
3712 int max_intf = -1, l_errno = 0;
3713 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3715 rc = read_sysfs_file(modparam_path, "lnet_interfaces_max", val,
3719 snprintf(err_str, sizeof(err_str),
3720 "\"cannot get max interfaces: %d\"", rc);
3722 max_intf = atoi(val);
3725 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3726 "max_intf", max_intf, show_rc,
3730 int lustre_lnet_show_discovery(int seq_no, struct cYAML **show_rc,
3731 struct cYAML **err_rc)
3733 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3734 char val[LNET_MAX_STR_LEN];
3735 int discovery = -1, l_errno = 0;
3736 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3738 rc = read_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
3742 snprintf(err_str, sizeof(err_str),
3743 "\"cannot get discovery setting: %d\"", rc);
3746 * The kernel stores a discovery disabled value. User space
3747 * shows whether discovery is enabled. So the value must be
3750 discovery = !atoi(val);
3753 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3754 "discovery", discovery, show_rc,
3758 int lustre_lnet_show_drop_asym_route(int seq_no, struct cYAML **show_rc,
3759 struct cYAML **err_rc)
3761 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3762 char val[LNET_MAX_STR_LEN];
3763 int drop_asym_route = -1, l_errno = 0;
3764 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3766 rc = read_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
3770 snprintf(err_str, sizeof(err_str),
3771 "\"cannot get drop asym route setting: %d\"", rc);
3773 drop_asym_route = atoi(val);
3776 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3777 "drop_asym_route", drop_asym_route,
3778 show_rc, err_rc, l_errno);
3781 int lustre_lnet_show_numa_range(int seq_no, struct cYAML **show_rc,
3782 struct cYAML **err_rc)
3784 return ioctl_show_global_values(IOC_LIBCFS_GET_NUMA_RANGE, seq_no,
3785 "numa_range", show_rc, err_rc);
3788 int lustre_lnet_show_stats(int seq_no, struct cYAML **show_rc,
3789 struct cYAML **err_rc)
3791 struct lnet_ioctl_lnet_stats data;
3792 struct lnet_counters *cntrs;
3795 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3796 struct cYAML *root = NULL, *stats = NULL;
3798 LIBCFS_IOC_INIT_V2(data, st_hdr);
3800 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LNET_STATS, &data);
3805 "\"cannot get lnet statistics: %s\"",
3811 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3813 cntrs = &data.st_cntrs;
3815 root = cYAML_create_object(NULL, NULL);
3819 stats = cYAML_create_object(root, "statistics");
3823 if (!cYAML_create_number(stats, "msgs_alloc",
3824 cntrs->lct_common.lcc_msgs_alloc))
3827 if (!cYAML_create_number(stats, "msgs_max",
3828 cntrs->lct_common.lcc_msgs_max))
3831 if (!cYAML_create_number(stats, "rst_alloc",
3832 cntrs->lct_health.lch_rst_alloc))
3835 if (!cYAML_create_number(stats, "errors",
3836 cntrs->lct_common.lcc_errors))
3839 if (!cYAML_create_number(stats, "send_count",
3840 cntrs->lct_common.lcc_send_count))
3843 if (!cYAML_create_number(stats, "resend_count",
3844 cntrs->lct_health.lch_resend_count))
3847 if (!cYAML_create_number(stats, "response_timeout_count",
3848 cntrs->lct_health.lch_response_timeout_count))
3851 if (!cYAML_create_number(stats, "local_interrupt_count",
3852 cntrs->lct_health.lch_local_interrupt_count))
3855 if (!cYAML_create_number(stats, "local_dropped_count",
3856 cntrs->lct_health.lch_local_dropped_count))
3859 if (!cYAML_create_number(stats, "local_aborted_count",
3860 cntrs->lct_health.lch_local_aborted_count))
3863 if (!cYAML_create_number(stats, "local_no_route_count",
3864 cntrs->lct_health.lch_local_no_route_count))
3867 if (!cYAML_create_number(stats, "local_timeout_count",
3868 cntrs->lct_health.lch_local_timeout_count))
3871 if (!cYAML_create_number(stats, "local_error_count",
3872 cntrs->lct_health.lch_local_error_count))
3875 if (!cYAML_create_number(stats, "remote_dropped_count",
3876 cntrs->lct_health.lch_remote_dropped_count))
3879 if (!cYAML_create_number(stats, "remote_error_count",
3880 cntrs->lct_health.lch_remote_error_count))
3883 if (!cYAML_create_number(stats, "remote_timeout_count",
3884 cntrs->lct_health.lch_remote_timeout_count))
3887 if (!cYAML_create_number(stats, "network_timeout_count",
3888 cntrs->lct_health.lch_network_timeout_count))
3891 if (!cYAML_create_number(stats, "recv_count",
3892 cntrs->lct_common.lcc_recv_count))
3895 if (!cYAML_create_number(stats, "route_count",
3896 cntrs->lct_common.lcc_route_count))
3899 if (!cYAML_create_number(stats, "drop_count",
3900 cntrs->lct_common.lcc_drop_count))
3903 if (!cYAML_create_number(stats, "send_length",
3904 cntrs->lct_common.lcc_send_length))
3907 if (!cYAML_create_number(stats, "recv_length",
3908 cntrs->lct_common.lcc_recv_length))
3911 if (!cYAML_create_number(stats, "route_length",
3912 cntrs->lct_common.lcc_route_length))
3915 if (!cYAML_create_number(stats, "drop_length",
3916 cntrs->lct_common.lcc_drop_length))
3920 cYAML_print_tree(root);
3922 snprintf(err_str, sizeof(err_str), "\"success\"");
3923 rc = LUSTRE_CFG_RC_NO_ERR;
3925 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3926 cYAML_free_tree(root);
3927 } else if (show_rc != NULL && *show_rc != NULL) {
3928 cYAML_insert_sibling((*show_rc)->cy_child,
3935 cYAML_build_error(rc, seq_no, SHOW_CMD, "statistics", err_str, err_rc);
3940 typedef int (*cmd_handler_t)(struct cYAML *tree,
3941 struct cYAML **show_rc,
3942 struct cYAML **err_rc);
3944 static int handle_yaml_config_route(struct cYAML *tree, struct cYAML **show_rc,
3945 struct cYAML **err_rc)
3947 struct cYAML *net, *gw, *hop, *prio, *sen, *seq_no;
3949 net = cYAML_get_object_item(tree, "net");
3950 gw = cYAML_get_object_item(tree, "gateway");
3951 hop = cYAML_get_object_item(tree, "hop");
3952 prio = cYAML_get_object_item(tree, "priority");
3953 sen = cYAML_get_object_item(tree, "health_sensitivity");
3954 seq_no = cYAML_get_object_item(tree, "seq_no");
3956 return lustre_lnet_config_route((net) ? net->cy_valuestring : NULL,
3957 (gw) ? gw->cy_valuestring : NULL,
3958 (hop) ? hop->cy_valueint : -1,
3959 (prio) ? prio->cy_valueint : -1,
3960 (sen) ? sen->cy_valueint : -1,
3961 (seq_no) ? seq_no->cy_valueint : -1,
3967 * 0: <intf_name>['['<expr>']']
3968 * 1: <intf_name>['['<expr>']']
3970 static int yaml_copy_intf_info(struct cYAML *intf_tree,
3971 struct lnet_dlc_network_descr *nw_descr)
3973 struct cYAML *child = NULL;
3974 int intf_num = 0, rc = LUSTRE_CFG_RC_NO_ERR;
3975 struct lnet_dlc_intf_descr *intf_descr, *tmp;
3977 if (intf_tree == NULL || nw_descr == NULL)
3978 return LUSTRE_CFG_RC_BAD_PARAM;
3980 /* now grab all the interfaces and their cpts */
3981 child = intf_tree->cy_child;
3982 while (child != NULL) {
3983 if (child->cy_valuestring == NULL) {
3984 child = child->cy_next;
3988 if (strlen(child->cy_valuestring) >= LNET_MAX_STR_LEN)
3991 rc = lustre_lnet_add_intf_descr(&nw_descr->nw_intflist,
3992 child->cy_valuestring,
3993 strlen(child->cy_valuestring));
3994 if (rc != LUSTRE_CFG_RC_NO_ERR)
3998 child = child->cy_next;
4002 return LUSTRE_CFG_RC_MISSING_PARAM;
4007 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
4009 list_del(&intf_descr->intf_on_network);
4010 free_intf_descr(intf_descr);
4017 yaml_extract_cmn_tunables(struct cYAML *tree,
4018 struct lnet_ioctl_config_lnd_cmn_tunables *tunables,
4019 struct cfs_expr_list **global_cpts)
4021 struct cYAML *tun, *item, *smp;
4024 tun = cYAML_get_object_item(tree, "tunables");
4026 item = cYAML_get_object_item(tun, "peer_timeout");
4028 tunables->lct_peer_timeout = item->cy_valueint;
4029 item = cYAML_get_object_item(tun, "peer_credits");
4031 tunables->lct_peer_tx_credits = item->cy_valueint;
4032 item = cYAML_get_object_item(tun, "peer_buffer_credits");
4034 tunables->lct_peer_rtr_credits = item->cy_valueint;
4035 item = cYAML_get_object_item(tun, "credits");
4037 tunables->lct_max_tx_credits = item->cy_valueint;
4038 smp = cYAML_get_object_item(tun, "CPT");
4040 rc = cfs_expr_list_parse(smp->cy_valuestring,
4041 strlen(smp->cy_valuestring),
4042 0, UINT_MAX, global_cpts);
4044 *global_cpts = NULL;
4054 yaml_extract_tunables(struct cYAML *tree,
4055 struct lnet_ioctl_config_lnd_tunables *tunables,
4056 struct cfs_expr_list **global_cpts,
4061 rc = yaml_extract_cmn_tunables(tree, &tunables->lt_cmn,
4067 lustre_yaml_extract_lnd_tunables(tree, net_type,
4075 * - net type: <net>[<NUM>]
4077 * - nid: <ip>@<net>[<NUM>]
4080 * 0: <intf_name>['['<expr>']']
4081 * 1: <intf_name>['['<expr>']']
4083 * peer_timeout: <NUM>
4084 * peer_credits: <NUM>
4085 * peer_buffer_credits: <NUM>
4088 * peercredits_hiw: <NUM>
4089 * map_on_demand: <NUM>
4090 * concurrent_sends: <NUM>
4091 * fmr_pool_size: <NUM>
4092 * fmr_flush_trigger: <NUM>
4095 * At least one interface is required. If no interfaces are provided the
4096 * network interface can not be configured.
4098 static int handle_yaml_config_ni(struct cYAML *tree, struct cYAML **show_rc,
4099 struct cYAML **err_rc)
4101 struct cYAML *net, *intf, *seq_no, *ip2net = NULL, *local_nis = NULL,
4103 int num_entries = 0, rc;
4104 struct lnet_dlc_network_descr nw_descr;
4105 struct cfs_expr_list *global_cpts = NULL;
4106 struct lnet_ioctl_config_lnd_tunables tunables;
4109 memset(&tunables, 0, sizeof(tunables));
4111 INIT_LIST_HEAD(&nw_descr.network_on_rule);
4112 INIT_LIST_HEAD(&nw_descr.nw_intflist);
4114 ip2net = cYAML_get_object_item(tree, "ip2net");
4115 net = cYAML_get_object_item(tree, "net type");
4117 nw_descr.nw_id = libcfs_str2net(net->cy_valuestring);
4119 nw_descr.nw_id = LOLND;
4122 * if neither net nor ip2nets are present, then we can not
4123 * configure the network.
4125 if (!net && !ip2net)
4126 return LUSTRE_CFG_RC_MISSING_PARAM;
4128 local_nis = cYAML_get_object_item(tree, "local NI(s)");
4129 if (local_nis == NULL)
4130 return LUSTRE_CFG_RC_MISSING_PARAM;
4132 if (!cYAML_is_sequence(local_nis))
4133 return LUSTRE_CFG_RC_BAD_PARAM;
4135 while (cYAML_get_next_seq_item(local_nis, &item) != NULL) {
4136 intf = cYAML_get_object_item(item, "interfaces");
4139 num_entries = yaml_copy_intf_info(intf, &nw_descr);
4140 if (num_entries <= 0) {
4141 cYAML_build_error(num_entries, -1, "ni", "add",
4142 "bad interface list",
4144 return LUSTRE_CFG_RC_BAD_PARAM;
4148 found = yaml_extract_tunables(tree, &tunables, &global_cpts,
4149 LNET_NETTYP(nw_descr.nw_id));
4150 seq_no = cYAML_get_object_item(tree, "seq_no");
4152 rc = lustre_lnet_config_ni(&nw_descr,
4154 (ip2net) ? ip2net->cy_valuestring : NULL,
4155 (found) ? &tunables: NULL,
4156 (seq_no) ? seq_no->cy_valueint : -1,
4159 if (global_cpts != NULL)
4160 cfs_expr_list_free(global_cpts);
4167 * - net-spec: <tcp|o2ib|gni>[NUM]
4169 * 0: <intf name>['['<expr>']']
4170 * 1: <intf name>['['<expr>']']
4172 * 0: <expr.expr.expr.expr>
4173 * 1: <expr.expr.expr.expr>
4175 static int handle_yaml_config_ip2nets(struct cYAML *tree,
4176 struct cYAML **show_rc,
4177 struct cYAML **err_rc)
4179 struct cYAML *net, *ip_range, *item = NULL, *intf = NULL,
4181 struct lustre_lnet_ip2nets ip2nets;
4182 struct lustre_lnet_ip_range_descr *ip_range_descr = NULL,
4184 int rc = LUSTRE_CFG_RC_NO_ERR;
4185 struct cfs_expr_list *global_cpts = NULL;
4186 struct cfs_expr_list *el, *el_tmp;
4187 struct lnet_ioctl_config_lnd_tunables tunables;
4188 struct lnet_dlc_intf_descr *intf_descr, *intf_tmp;
4191 memset(&tunables, 0, sizeof(tunables));
4193 /* initialize all lists */
4194 INIT_LIST_HEAD(&ip2nets.ip2nets_ip_ranges);
4195 INIT_LIST_HEAD(&ip2nets.ip2nets_net.network_on_rule);
4196 INIT_LIST_HEAD(&ip2nets.ip2nets_net.nw_intflist);
4198 net = cYAML_get_object_item(tree, "net-spec");
4200 return LUSTRE_CFG_RC_BAD_PARAM;
4202 if (net != NULL && net->cy_valuestring == NULL)
4203 return LUSTRE_CFG_RC_BAD_PARAM;
4205 /* assign the network id */
4206 ip2nets.ip2nets_net.nw_id = libcfs_str2net(net->cy_valuestring);
4207 if (ip2nets.ip2nets_net.nw_id == LNET_NID_ANY)
4208 return LUSTRE_CFG_RC_BAD_PARAM;
4210 seq_no = cYAML_get_object_item(tree, "seq_no");
4212 intf = cYAML_get_object_item(tree, "interfaces");
4214 rc = yaml_copy_intf_info(intf, &ip2nets.ip2nets_net);
4216 return LUSTRE_CFG_RC_BAD_PARAM;
4219 ip_range = cYAML_get_object_item(tree, "ip-range");
4220 if (ip_range != NULL) {
4221 item = ip_range->cy_child;
4222 while (item != NULL) {
4223 if (item->cy_valuestring == NULL) {
4224 item = item->cy_next;
4228 rc = lustre_lnet_add_ip_range(&ip2nets.ip2nets_ip_ranges,
4229 item->cy_valuestring);
4231 if (rc != LUSTRE_CFG_RC_NO_ERR)
4234 item = item->cy_next;
4238 found = yaml_extract_tunables(tree, &tunables, &global_cpts,
4239 LNET_NETTYP(ip2nets.ip2nets_net.nw_id));
4241 rc = lustre_lnet_config_ip2nets(&ip2nets,
4242 (found) ? &tunables : NULL,
4244 (seq_no) ? seq_no->cy_valueint : -1,
4248 * don't stop because there was no match. Continue processing the
4249 * rest of the rules. If non-match then nothing is configured
4251 if (rc == LUSTRE_CFG_RC_NO_MATCH)
4252 rc = LUSTRE_CFG_RC_NO_ERR;
4254 list_for_each_entry_safe(intf_descr, intf_tmp,
4255 &ip2nets.ip2nets_net.nw_intflist,
4257 list_del(&intf_descr->intf_on_network);
4258 free_intf_descr(intf_descr);
4261 list_for_each_entry_safe(ip_range_descr, tmp,
4262 &ip2nets.ip2nets_ip_ranges,
4264 list_del(&ip_range_descr->ipr_entry);
4265 list_for_each_entry_safe(el, el_tmp, &ip_range_descr->ipr_expr,
4267 list_del(&el->el_link);
4268 cfs_expr_list_free(el);
4270 free(ip_range_descr);
4276 static int handle_yaml_del_ni(struct cYAML *tree, struct cYAML **show_rc,
4277 struct cYAML **err_rc)
4279 struct cYAML *net = NULL, *intf = NULL, *seq_no = NULL, *item = NULL,
4281 int num_entries, rc;
4282 struct lnet_dlc_network_descr nw_descr;
4284 INIT_LIST_HEAD(&nw_descr.network_on_rule);
4285 INIT_LIST_HEAD(&nw_descr.nw_intflist);
4287 net = cYAML_get_object_item(tree, "net type");
4289 nw_descr.nw_id = libcfs_str2net(net->cy_valuestring);
4291 local_nis = cYAML_get_object_item(tree, "local NI(s)");
4292 if (local_nis == NULL)
4293 return LUSTRE_CFG_RC_MISSING_PARAM;
4295 if (!cYAML_is_sequence(local_nis))
4296 return LUSTRE_CFG_RC_BAD_PARAM;
4298 while (cYAML_get_next_seq_item(local_nis, &item) != NULL) {
4299 intf = cYAML_get_object_item(item, "interfaces");
4302 num_entries = yaml_copy_intf_info(intf, &nw_descr);
4303 if (num_entries <= 0) {
4304 cYAML_build_error(num_entries, -1, "ni", "add",
4305 "bad interface list",
4307 return LUSTRE_CFG_RC_BAD_PARAM;
4311 seq_no = cYAML_get_object_item(tree, "seq_no");
4313 rc = lustre_lnet_del_ni((net) ? &nw_descr : NULL,
4314 (seq_no) ? seq_no->cy_valueint : -1,
4320 /* Create a nidstring parseable by the nidstrings library from the nid
4321 * information encoded in the CYAML structure.
4322 * NOTE: Caller must free memory allocated to nidstr
4324 static int yaml_nids2nidstr(struct cYAML *nids_entry, char **nidstr,
4325 char *prim_nid, int cmd)
4327 int num_strs = 0, rc;
4328 size_t buf_size, buf_pos, nidstr_len = 0;
4330 struct cYAML *child = NULL, *entry = NULL;
4332 if (cYAML_is_sequence(nids_entry)) {
4333 while (cYAML_get_next_seq_item(nids_entry, &child)) {
4334 entry = cYAML_get_object_item(child, "nid");
4335 /* don't count an empty entry */
4336 if (!entry || !entry->cy_valuestring)
4340 (strcmp(entry->cy_valuestring, prim_nid) == 0)) {
4341 if (cmd == LNETCTL_DEL_CMD) {
4343 * primary nid is present in the list of
4344 * nids so that means we want to delete
4345 * the entire peer, so no need to go
4346 * further. Just delete the entire peer.
4348 return LUSTRE_CFG_RC_NO_ERR;
4355 * + 1 for the space separating each string, and
4356 * accounts for the terminating null char
4358 nidstr_len += strlen(entry->cy_valuestring) + 1;
4363 if (num_strs == 0 && !prim_nid)
4364 return LUSTRE_CFG_RC_MISSING_PARAM;
4365 else if (num_strs == 0) /* Only the primary nid was given to add/del */
4366 return LUSTRE_CFG_RC_NO_ERR;
4368 buffer = malloc(nidstr_len);
4370 return LUSTRE_CFG_RC_OUT_OF_MEM;
4372 /* now grab all the nids */
4375 buf_size = nidstr_len;
4377 while (cYAML_get_next_seq_item(nids_entry, &child)) {
4378 entry = cYAML_get_object_item(child, "nid");
4379 if (!entry || !entry->cy_valuestring)
4383 (strcmp(entry->cy_valuestring, prim_nid) == 0))
4387 rc = snprintf(buffer + buf_pos, buf_size, " ");
4388 buf_pos += (rc < buf_size) ? rc : buf_size;
4389 buf_size = nidstr_len - buf_pos;
4392 rc = snprintf(buffer + buf_pos, buf_size, "%s",
4393 entry->cy_valuestring);
4394 buf_pos += (rc < buf_size) ? rc : buf_size;
4395 buf_size = nidstr_len - buf_pos;
4400 return LUSTRE_CFG_RC_NO_ERR;
4403 static int handle_yaml_peer_common(struct cYAML *tree, struct cYAML **show_rc,
4404 struct cYAML **err_rc, int cmd)
4406 int rc, num_nids = 0, seqn;
4407 bool mr_value = false;
4408 char *nidstr = NULL, *prim_nidstr;
4409 char err_str[LNET_MAX_STR_LEN];
4410 struct cYAML *seq_no, *prim_nid, *mr, *peer_nis;
4411 lnet_nid_t lnet_nidlist[LNET_MAX_NIDS_PER_PEER];
4412 lnet_nid_t pnid = LNET_NID_ANY;
4414 seq_no = cYAML_get_object_item(tree, "seq_no");
4415 seqn = seq_no ? seq_no->cy_valueint : -1;
4417 prim_nid = cYAML_get_object_item(tree, "primary nid");
4418 peer_nis = cYAML_get_object_item(tree, "peer ni");
4420 rc = LUSTRE_CFG_RC_BAD_PARAM;
4421 snprintf(err_str, LNET_MAX_STR_LEN,
4422 "\"primary nid\" must be specified");
4426 prim_nidstr = prim_nid->cy_valuestring;
4428 /* if the provided primary NID is bad, no need to go any further */
4429 pnid = libcfs_str2nid(prim_nidstr);
4430 if (pnid == LNET_NID_ANY) {
4431 rc = LUSTRE_CFG_RC_BAD_PARAM;
4432 snprintf(err_str, LNET_MAX_STR_LEN,
4433 "badly formatted primary NID: %s", prim_nidstr);
4437 rc = yaml_nids2nidstr(peer_nis, &nidstr, prim_nidstr, cmd);
4438 if (rc == LUSTRE_CFG_RC_MISSING_PARAM) {
4439 snprintf(err_str, LNET_MAX_STR_LEN,
4440 "No nids defined in YAML block");
4442 } else if (rc == LUSTRE_CFG_RC_OUT_OF_MEM) {
4443 snprintf(err_str, LNET_MAX_STR_LEN, "out of memory");
4445 } else if (rc != LUSTRE_CFG_RC_NO_ERR) {
4446 snprintf(err_str, LNET_MAX_STR_LEN,
4447 "Unrecognized error %d", rc);
4453 num_nids = lustre_lnet_parse_nidstr(nidstr, lnet_nidlist,
4454 LNET_MAX_NIDS_PER_PEER,
4462 if (cmd == LNETCTL_ADD_CMD) {
4463 mr = cYAML_get_object_item(tree, "Multi-Rail");
4465 if (mr && mr->cy_valuestring) {
4466 if (strcmp(mr->cy_valuestring, "False") == 0)
4468 else if (strcmp(mr->cy_valuestring, "True") != 0) {
4469 rc = LUSTRE_CFG_RC_BAD_PARAM;
4470 snprintf(err_str, LNET_MAX_STR_LEN,
4471 "Multi-Rail must be set to \"True\" or \"False\" found \"%s\"",
4472 mr->cy_valuestring);
4478 rc = lustre_lnet_mod_peer_nidlist(pnid, lnet_nidlist, cmd,
4479 num_nids, mr_value, seqn,
4486 if (rc != LUSTRE_CFG_RC_NO_ERR)
4487 cYAML_build_error(rc, seqn, "peer",
4488 cmd == LNETCTL_ADD_CMD ? ADD_CMD : DEL_CMD,
4494 static int handle_yaml_config_peer(struct cYAML *tree, struct cYAML **show_rc,
4495 struct cYAML **err_rc)
4497 return handle_yaml_peer_common(tree, show_rc, err_rc, LNETCTL_ADD_CMD);
4500 static int handle_yaml_del_peer(struct cYAML *tree, struct cYAML **show_rc,
4501 struct cYAML **err_rc)
4503 return handle_yaml_peer_common(tree, show_rc, err_rc, LNETCTL_DEL_CMD);
4506 static int handle_yaml_config_buffers(struct cYAML *tree,
4507 struct cYAML **show_rc,
4508 struct cYAML **err_rc)
4511 struct cYAML *tiny, *small, *large, *seq_no;
4513 tiny = cYAML_get_object_item(tree, "tiny");
4514 small = cYAML_get_object_item(tree, "small");
4515 large = cYAML_get_object_item(tree, "large");
4516 seq_no = cYAML_get_object_item(tree, "seq_no");
4518 rc = lustre_lnet_config_buffers((tiny) ? tiny->cy_valueint : -1,
4519 (small) ? small->cy_valueint : -1,
4520 (large) ? large->cy_valueint : -1,
4521 (seq_no) ? seq_no->cy_valueint : -1,
4527 static int handle_yaml_config_routing(struct cYAML *tree,
4528 struct cYAML **show_rc,
4529 struct cYAML **err_rc)
4531 int rc = LUSTRE_CFG_RC_NO_ERR;
4532 struct cYAML *seq_no, *enable;
4534 seq_no = cYAML_get_object_item(tree, "seq_no");
4535 enable = cYAML_get_object_item(tree, "enable");
4538 rc = lustre_lnet_enable_routing(enable->cy_valueint,
4540 seq_no->cy_valueint : -1,
4547 static int handle_yaml_del_route(struct cYAML *tree, struct cYAML **show_rc,
4548 struct cYAML **err_rc)
4552 struct cYAML *seq_no;
4554 net = cYAML_get_object_item(tree, "net");
4555 gw = cYAML_get_object_item(tree, "gateway");
4556 seq_no = cYAML_get_object_item(tree, "seq_no");
4558 return lustre_lnet_del_route((net) ? net->cy_valuestring : NULL,
4559 (gw) ? gw->cy_valuestring : NULL,
4560 (seq_no) ? seq_no->cy_valueint : -1,
4564 static int handle_yaml_del_routing(struct cYAML *tree, struct cYAML **show_rc,
4565 struct cYAML **err_rc)
4567 struct cYAML *seq_no;
4569 seq_no = cYAML_get_object_item(tree, "seq_no");
4571 return lustre_lnet_enable_routing(0, (seq_no) ?
4572 seq_no->cy_valueint : -1,
4576 static int handle_yaml_show_route(struct cYAML *tree, struct cYAML **show_rc,
4577 struct cYAML **err_rc)
4583 struct cYAML *detail;
4584 struct cYAML *seq_no;
4586 net = cYAML_get_object_item(tree, "net");
4587 gw = cYAML_get_object_item(tree, "gateway");
4588 hop = cYAML_get_object_item(tree, "hop");
4589 prio = cYAML_get_object_item(tree, "priority");
4590 detail = cYAML_get_object_item(tree, "detail");
4591 seq_no = cYAML_get_object_item(tree, "seq_no");
4593 return lustre_lnet_show_route((net) ? net->cy_valuestring : NULL,
4594 (gw) ? gw->cy_valuestring : NULL,
4595 (hop) ? hop->cy_valueint : -1,
4596 (prio) ? prio->cy_valueint : -1,
4597 (detail) ? detail->cy_valueint : 0,
4598 (seq_no) ? seq_no->cy_valueint : -1,
4599 show_rc, err_rc, false);
4602 static int handle_yaml_show_net(struct cYAML *tree, struct cYAML **show_rc,
4603 struct cYAML **err_rc)
4605 struct cYAML *net, *detail, *seq_no;
4607 net = cYAML_get_object_item(tree, "net");
4608 detail = cYAML_get_object_item(tree, "detail");
4609 seq_no = cYAML_get_object_item(tree, "seq_no");
4611 return lustre_lnet_show_net((net) ? net->cy_valuestring : NULL,
4612 (detail) ? detail->cy_valueint : 0,
4613 (seq_no) ? seq_no->cy_valueint : -1,
4614 show_rc, err_rc, false);
4617 static int handle_yaml_show_routing(struct cYAML *tree, struct cYAML **show_rc,
4618 struct cYAML **err_rc)
4620 struct cYAML *seq_no;
4622 seq_no = cYAML_get_object_item(tree, "seq_no");
4624 return lustre_lnet_show_routing((seq_no) ? seq_no->cy_valueint : -1,
4625 show_rc, err_rc, false);
4628 static int handle_yaml_show_peers(struct cYAML *tree, struct cYAML **show_rc,
4629 struct cYAML **err_rc)
4631 struct cYAML *seq_no, *nid, *detail;
4633 seq_no = cYAML_get_object_item(tree, "seq_no");
4634 detail = cYAML_get_object_item(tree, "detail");
4635 nid = cYAML_get_object_item(tree, "nid");
4637 return lustre_lnet_show_peer((nid) ? nid->cy_valuestring : NULL,
4638 (detail) ? detail->cy_valueint : 0,
4639 (seq_no) ? seq_no->cy_valueint : -1,
4640 show_rc, err_rc, false);
4643 static int handle_yaml_show_stats(struct cYAML *tree, struct cYAML **show_rc,
4644 struct cYAML **err_rc)
4646 struct cYAML *seq_no;
4648 seq_no = cYAML_get_object_item(tree, "seq_no");
4650 return lustre_lnet_show_stats((seq_no) ? seq_no->cy_valueint : -1,
4654 static int handle_yaml_config_numa(struct cYAML *tree, struct cYAML **show_rc,
4655 struct cYAML **err_rc)
4657 struct cYAML *seq_no, *range;
4659 seq_no = cYAML_get_object_item(tree, "seq_no");
4660 range = cYAML_get_object_item(tree, "range");
4662 return lustre_lnet_config_numa_range(range ? range->cy_valueint : -1,
4663 seq_no ? seq_no->cy_valueint : -1,
4667 static int handle_yaml_del_numa(struct cYAML *tree, struct cYAML **show_rc,
4668 struct cYAML **err_rc)
4670 struct cYAML *seq_no;
4672 seq_no = cYAML_get_object_item(tree, "seq_no");
4674 return lustre_lnet_config_numa_range(0, seq_no ? seq_no->cy_valueint : -1,
4678 static int handle_yaml_show_numa(struct cYAML *tree, struct cYAML **show_rc,
4679 struct cYAML **err_rc)
4681 struct cYAML *seq_no;
4683 seq_no = cYAML_get_object_item(tree, "seq_no");
4685 return lustre_lnet_show_numa_range(seq_no ? seq_no->cy_valueint : -1,
4689 static int handle_yaml_del_udsp(struct cYAML *tree, struct cYAML **show_rc,
4690 struct cYAML **err_rc)
4692 struct cYAML *seq_no, *idx;
4694 seq_no = cYAML_get_object_item(tree, "seq_no");
4695 idx = cYAML_get_object_item(tree, "idx");
4697 return lustre_lnet_del_udsp(idx ? idx->cy_valueint : -1,
4698 seq_no ? seq_no->cy_valueint : -1,
4702 static int handle_yaml_config_udsp(struct cYAML *tree, struct cYAML **show_rc,
4703 struct cYAML **err_rc)
4705 struct cYAML *seq_no, *src, *rte, *dst, *prio, *idx;
4706 union lnet_udsp_action action;
4708 seq_no = cYAML_get_object_item(tree, "seq_no");
4709 src = cYAML_get_object_item(tree, "src");
4710 rte = cYAML_get_object_item(tree, "rte");
4711 dst = cYAML_get_object_item(tree, "dst");
4712 prio = cYAML_get_object_item(tree, "priority");
4713 idx = cYAML_get_object_item(tree, "idx");
4715 action.udsp_priority = prio ? prio->cy_valueint : -1;
4717 return lustre_lnet_add_udsp(src ? src->cy_valuestring : NULL,
4718 dst ? dst->cy_valuestring : NULL,
4719 rte ? rte->cy_valuestring : NULL,
4720 prio ? "priority" : "",
4722 idx ? idx->cy_valueint : -1,
4723 seq_no ? seq_no->cy_valueint : -1,
4727 static int handle_yaml_show_udsp(struct cYAML *tree, struct cYAML **show_rc,
4728 struct cYAML **err_rc)
4730 struct cYAML *seq_no;
4733 seq_no = cYAML_get_object_item(tree, "seq_no");
4734 idx = cYAML_get_object_item(tree, "idx");
4736 return lustre_lnet_show_udsp(idx ? idx->cy_valueint : -1,
4737 seq_no ? seq_no->cy_valueint : -1,
4741 static int handle_yaml_config_global_settings(struct cYAML *tree,
4742 struct cYAML **show_rc,
4743 struct cYAML **err_rc)
4745 struct cYAML *max_intf, *numa, *discovery, *retry, *tto, *seq_no,
4746 *sen, *recov, *rsen, *drop_asym_route, *rsp_tracking,
4750 seq_no = cYAML_get_object_item(tree, "seq_no");
4751 max_intf = cYAML_get_object_item(tree, "max_intf");
4753 rc = lustre_lnet_config_max_intf(max_intf->cy_valueint,
4754 seq_no ? seq_no->cy_valueint
4758 numa = cYAML_get_object_item(tree, "numa_range");
4760 rc = lustre_lnet_config_numa_range(numa->cy_valueint,
4761 seq_no ? seq_no->cy_valueint
4765 discovery = cYAML_get_object_item(tree, "discovery");
4767 rc = lustre_lnet_config_discovery(discovery->cy_valueint,
4768 seq_no ? seq_no->cy_valueint
4772 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4773 if (drop_asym_route)
4774 rc = lustre_lnet_config_drop_asym_route(
4775 drop_asym_route->cy_valueint,
4776 seq_no ? seq_no->cy_valueint : -1,
4779 retry = cYAML_get_object_item(tree, "retry_count");
4781 rc = lustre_lnet_config_retry_count(retry->cy_valueint,
4782 seq_no ? seq_no->cy_valueint
4786 tto = cYAML_get_object_item(tree, "transaction_timeout");
4788 rc = lustre_lnet_config_transaction_to(tto->cy_valueint,
4789 seq_no ? seq_no->cy_valueint
4793 sen = cYAML_get_object_item(tree, "health_sensitivity");
4795 rc = lustre_lnet_config_hsensitivity(sen->cy_valueint,
4796 seq_no ? seq_no->cy_valueint
4800 recov = cYAML_get_object_item(tree, "recovery_interval");
4802 rc = lustre_lnet_config_recov_intrv(recov->cy_valueint,
4803 seq_no ? seq_no->cy_valueint
4807 rsen = cYAML_get_object_item(tree, "router_sensitivity");
4809 rc = lustre_lnet_config_rtr_sensitivity(rsen->cy_valueint,
4810 seq_no ? seq_no->cy_valueint
4814 rsp_tracking = cYAML_get_object_item(tree, "response_tracking");
4816 rc = lustre_lnet_config_response_tracking(rsp_tracking->cy_valueint,
4817 seq_no ? seq_no->cy_valueint
4821 recov_limit = cYAML_get_object_item(tree, "recovery_limit");
4823 rc = lustre_lnet_config_recovery_limit(recov_limit->cy_valueint,
4824 seq_no ? seq_no->cy_valueint
4831 static int handle_yaml_del_global_settings(struct cYAML *tree,
4832 struct cYAML **show_rc,
4833 struct cYAML **err_rc)
4835 struct cYAML *max_intf, *numa, *discovery, *seq_no, *drop_asym_route;
4838 seq_no = cYAML_get_object_item(tree, "seq_no");
4839 max_intf = cYAML_get_object_item(tree, "max_intf");
4841 rc = lustre_lnet_config_max_intf(LNET_INTERFACES_MAX_DEFAULT,
4842 seq_no ? seq_no->cy_valueint
4846 numa = cYAML_get_object_item(tree, "numa_range");
4848 rc = lustre_lnet_config_numa_range(0,
4849 seq_no ? seq_no->cy_valueint
4853 /* peer discovery is enabled by default */
4854 discovery = cYAML_get_object_item(tree, "discovery");
4856 rc = lustre_lnet_config_discovery(1,
4857 seq_no ? seq_no->cy_valueint
4861 /* asymmetrical route messages are accepted by default */
4862 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4863 if (drop_asym_route)
4864 rc = lustre_lnet_config_drop_asym_route(
4865 0, seq_no ? seq_no->cy_valueint : -1, err_rc);
4870 static int handle_yaml_show_global_settings(struct cYAML *tree,
4871 struct cYAML **show_rc,
4872 struct cYAML **err_rc)
4874 struct cYAML *max_intf, *numa, *discovery, *retry, *tto, *seq_no,
4875 *sen, *recov, *rsen, *drop_asym_route, *rsp_tracking,
4879 seq_no = cYAML_get_object_item(tree, "seq_no");
4880 max_intf = cYAML_get_object_item(tree, "max_intf");
4882 rc = lustre_lnet_show_max_intf(seq_no ? seq_no->cy_valueint
4886 numa = cYAML_get_object_item(tree, "numa_range");
4888 rc = lustre_lnet_show_numa_range(seq_no ? seq_no->cy_valueint
4892 discovery = cYAML_get_object_item(tree, "discovery");
4894 rc = lustre_lnet_show_discovery(seq_no ? seq_no->cy_valueint
4898 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4899 if (drop_asym_route)
4900 rc = lustre_lnet_show_drop_asym_route(
4901 seq_no ? seq_no->cy_valueint : -1,
4904 retry = cYAML_get_object_item(tree, "retry_count");
4906 rc = lustre_lnet_show_retry_count(seq_no ? seq_no->cy_valueint
4910 tto = cYAML_get_object_item(tree, "transaction_timeout");
4912 rc = lustre_lnet_show_transaction_to(seq_no ? seq_no->cy_valueint
4916 sen = cYAML_get_object_item(tree, "health_sensitivity");
4918 rc = lustre_lnet_show_hsensitivity(seq_no ? seq_no->cy_valueint
4922 recov = cYAML_get_object_item(tree, "recovery_interval");
4924 rc = lustre_lnet_show_recov_intrv(seq_no ? seq_no->cy_valueint
4928 rsen = cYAML_get_object_item(tree, "router_sensitivity");
4930 rc = lustre_lnet_show_hsensitivity(seq_no ? seq_no->cy_valueint
4934 rsp_tracking = cYAML_get_object_item(tree, "response_tracking");
4936 rc = lustre_lnet_show_response_tracking(seq_no ?
4937 seq_no->cy_valueint :
4941 recov_limit = cYAML_get_object_item(tree, "recovery_limit");
4943 rc = lustre_lnet_show_recovery_limit(seq_no ?
4944 seq_no->cy_valueint :
4951 static int handle_yaml_ping(struct cYAML *tree, struct cYAML **show_rc,
4952 struct cYAML **err_rc)
4954 struct cYAML *seq_no, *nid, *timeout;
4956 seq_no = cYAML_get_object_item(tree, "seq_no");
4957 nid = cYAML_get_object_item(tree, "primary nid");
4958 timeout = cYAML_get_object_item(tree, "timeout");
4960 return lustre_lnet_ping_nid((nid) ? nid->cy_valuestring : NULL,
4961 (timeout) ? timeout->cy_valueint : 1000,
4962 (seq_no) ? seq_no->cy_valueint : -1,
4966 static int handle_yaml_discover(struct cYAML *tree, struct cYAML **show_rc,
4967 struct cYAML **err_rc)
4969 struct cYAML *seq_no, *nid, *force;
4971 seq_no = cYAML_get_object_item(tree, "seq_no");
4972 nid = cYAML_get_object_item(tree, "primary nid");
4973 force = cYAML_get_object_item(tree, "force");
4975 return lustre_lnet_discover_nid((nid) ? nid->cy_valuestring : NULL,
4976 (force) ? force->cy_valueint : 0,
4977 (seq_no) ? seq_no->cy_valueint : -1,
4981 static int handle_yaml_no_op()
4983 return LUSTRE_CFG_RC_NO_ERR;
4986 struct lookup_cmd_hdlr_tbl {
4991 static struct lookup_cmd_hdlr_tbl lookup_config_tbl[] = {
4992 { .name = "route", .cb = handle_yaml_config_route },
4993 { .name = "net", .cb = handle_yaml_config_ni },
4994 { .name = "ip2nets", .cb = handle_yaml_config_ip2nets },
4995 { .name = "peer", .cb = handle_yaml_config_peer },
4996 { .name = "routing", .cb = handle_yaml_config_routing },
4997 { .name = "buffers", .cb = handle_yaml_config_buffers },
4998 { .name = "statistics", .cb = handle_yaml_no_op },
4999 { .name = "global", .cb = handle_yaml_config_global_settings},
5000 { .name = "numa", .cb = handle_yaml_config_numa },
5001 { .name = "ping", .cb = handle_yaml_no_op },
5002 { .name = "discover", .cb = handle_yaml_no_op },
5003 { .name = "udsp", .cb = handle_yaml_config_udsp },
5006 static struct lookup_cmd_hdlr_tbl lookup_del_tbl[] = {
5007 { .name = "route", .cb = handle_yaml_del_route },
5008 { .name = "net", .cb = handle_yaml_del_ni },
5009 { .name = "ip2nets", .cb = handle_yaml_no_op },
5010 { .name = "peer", .cb = handle_yaml_del_peer },
5011 { .name = "routing", .cb = handle_yaml_del_routing },
5012 { .name = "buffers", .cb = handle_yaml_no_op },
5013 { .name = "statistics", .cb = handle_yaml_no_op },
5014 { .name = "global", .cb = handle_yaml_del_global_settings},
5015 { .name = "numa", .cb = handle_yaml_del_numa },
5016 { .name = "ping", .cb = handle_yaml_no_op },
5017 { .name = "discover", .cb = handle_yaml_no_op },
5018 { .name = "udsp", .cb = handle_yaml_del_udsp },
5021 static struct lookup_cmd_hdlr_tbl lookup_show_tbl[] = {
5022 { .name = "route", .cb = handle_yaml_show_route },
5023 { .name = "net", .cb = handle_yaml_show_net },
5024 { .name = "peer", .cb = handle_yaml_show_peers },
5025 { .name = "ip2nets", .cb = handle_yaml_no_op },
5026 { .name = "routing", .cb = handle_yaml_show_routing },
5027 { .name = "buffers", .cb = handle_yaml_show_routing },
5028 { .name = "statistics", .cb = handle_yaml_show_stats },
5029 { .name = "global", .cb = handle_yaml_show_global_settings},
5030 { .name = "numa", .cb = handle_yaml_show_numa },
5031 { .name = "ping", .cb = handle_yaml_no_op },
5032 { .name = "discover", .cb = handle_yaml_no_op },
5033 { .name = "udsp", .cb = handle_yaml_show_udsp },
5036 static struct lookup_cmd_hdlr_tbl lookup_exec_tbl[] = {
5037 { .name = "route", .cb = handle_yaml_no_op },
5038 { .name = "net", .cb = handle_yaml_no_op },
5039 { .name = "peer", .cb = handle_yaml_no_op },
5040 { .name = "ip2nets", .cb = handle_yaml_no_op },
5041 { .name = "routing", .cb = handle_yaml_no_op },
5042 { .name = "buffers", .cb = handle_yaml_no_op },
5043 { .name = "statistics", .cb = handle_yaml_no_op },
5044 { .name = "global", .cb = handle_yaml_no_op },
5045 { .name = "numa", .cb = handle_yaml_no_op },
5046 { .name = "ping", .cb = handle_yaml_ping },
5047 { .name = "discover", .cb = handle_yaml_discover },
5050 static cmd_handler_t lookup_fn(char *key,
5051 struct lookup_cmd_hdlr_tbl *tbl)
5057 for (i = 0; tbl[i].name != NULL; i++) {
5058 if (strncmp(key, tbl[i].name, strlen(tbl[i].name)) == 0)
5065 static int lustre_yaml_cb_helper(char *f, struct lookup_cmd_hdlr_tbl *table,
5066 struct cYAML **show_rc, struct cYAML **err_rc)
5068 struct cYAML *tree, *item = NULL, *head, *child;
5070 char err_str[LNET_MAX_STR_LEN];
5071 int rc = LUSTRE_CFG_RC_NO_ERR, return_rc = LUSTRE_CFG_RC_NO_ERR;
5073 tree = cYAML_build_tree(f, NULL, 0, err_rc, false);
5075 return LUSTRE_CFG_RC_BAD_PARAM;
5077 child = tree->cy_child;
5078 while (child != NULL) {
5079 cb = lookup_fn(child->cy_string, table);
5081 snprintf(err_str, sizeof(err_str),
5082 "\"call back for '%s' not found\"",
5084 cYAML_build_error(LUSTRE_CFG_RC_BAD_PARAM, -1,
5085 "yaml", "helper", err_str, err_rc);
5089 if (cYAML_is_sequence(child)) {
5090 while ((head = cYAML_get_next_seq_item(child, &item))
5092 rc = cb(head, show_rc, err_rc);
5093 if (rc != LUSTRE_CFG_RC_NO_ERR)
5097 rc = cb(child, show_rc, err_rc);
5098 if (rc != LUSTRE_CFG_RC_NO_ERR)
5102 child = child->cy_next;
5106 cYAML_free_tree(tree);
5111 int lustre_yaml_config(char *f, struct cYAML **err_rc)
5113 return lustre_yaml_cb_helper(f, lookup_config_tbl,
5117 int lustre_yaml_del(char *f, struct cYAML **err_rc)
5119 return lustre_yaml_cb_helper(f, lookup_del_tbl,
5123 int lustre_yaml_show(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
5125 return lustre_yaml_cb_helper(f, lookup_show_tbl,
5129 int lustre_yaml_exec(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
5131 return lustre_yaml_cb_helper(f, lookup_exec_tbl,