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 #define CONFIG_CMD "configure"
59 #define UNCONFIG_CMD "unconfigure"
62 #define SHOW_CMD "show"
64 #define MANAGE_CMD "manage"
66 #define MAX_NUM_IPS 128
68 #define modparam_path "/sys/module/lnet/parameters/"
69 #define o2ib_modparam_path "/sys/module/ko2iblnd/parameters/"
70 #define gni_nid_path "/proc/cray_xt/"
72 #ifndef HAVE_USRSPC_RDMA_PS_TCP
73 #define RDMA_PS_TCP 0x0106
76 const char *gmsg_stat_names[] = {"sent_stats", "received_stats",
80 * lustre_lnet_ip_range_descr
81 * Describes an IP range.
82 * Each octect is an expression
84 struct lustre_lnet_ip_range_descr {
85 struct list_head ipr_entry;
86 struct list_head ipr_expr;
91 * Describes an ip2nets rule. This can be on a list of rules.
93 struct lustre_lnet_ip2nets {
94 struct lnet_dlc_network_descr ip2nets_net;
95 struct list_head ip2nets_ip_ranges;
98 int open_sysfs_file(const char *path, const char *attr, const int mode)
101 char filename[LNET_MAX_STR_LEN];
103 if (strlen(path) + strlen(attr) >= LNET_MAX_STR_LEN)
106 snprintf(filename, sizeof(filename), "%s%s",
109 fd = open(filename, mode);
114 static int read_sysfs_file(const char *path, const char *attr,
115 void *val, const size_t size, const int nelem)
118 int rc = LUSTRE_CFG_RC_GENERIC_ERR;
120 fd = open_sysfs_file(path, attr, O_RDONLY);
122 return LUSTRE_CFG_RC_NO_MATCH;
124 if (read(fd, val, size * nelem) == -1)
127 rc = LUSTRE_CFG_RC_NO_ERR;
134 static int write_sysfs_file(const char *path, const char *attr,
135 void *val, const size_t size, const int nelem)
138 int rc = LUSTRE_CFG_RC_GENERIC_ERR;
140 fd = open_sysfs_file(path, attr, O_WRONLY | O_TRUNC);
142 return LUSTRE_CFG_RC_NO_MATCH;
144 if (write(fd, val, size * nelem) == -1)
147 rc = LUSTRE_CFG_RC_NO_ERR;
156 * frees the memory allocated for an intf descriptor.
158 void free_intf_descr(struct lnet_dlc_intf_descr *intf_descr)
163 if (intf_descr->cpt_expr != NULL)
164 cfs_expr_list_free(intf_descr->cpt_expr);
169 * lustre_lnet_add_ip_range
171 * given a string of the format:
172 * <expr.expr.expr.expr> parse each expr into
173 * a lustre_lnet_ip_range_descr structure and insert on the list.
175 * This function is called from
176 * YAML on each ip-range.
177 * As a result of lnetctl command
178 * When building a NID or P2P selection rules
180 int lustre_lnet_add_ip_range(struct list_head *list, char *str_ip_range)
182 struct lustre_lnet_ip_range_descr *ip_range;
185 ip_range = calloc(1, sizeof(*ip_range));
186 if (ip_range == NULL)
187 return LUSTRE_CFG_RC_OUT_OF_MEM;
189 INIT_LIST_HEAD(&ip_range->ipr_entry);
190 INIT_LIST_HEAD(&ip_range->ipr_expr);
192 rc = cfs_ip_addr_parse(str_ip_range, strlen(str_ip_range),
193 &ip_range->ipr_expr);
195 return LUSTRE_CFG_RC_BAD_PARAM;
197 list_add_tail(&ip_range->ipr_entry, list);
199 return LUSTRE_CFG_RC_NO_ERR;
202 int lustre_lnet_add_intf_descr(struct list_head *list, char *intf, int len)
204 char *open_sq_bracket = NULL, *close_sq_bracket = NULL,
206 struct lnet_dlc_intf_descr *intf_descr = NULL;
208 char intf_string[LNET_MAX_STR_LEN];
210 if (len >= LNET_MAX_STR_LEN)
211 return LUSTRE_CFG_RC_BAD_PARAM;
213 strncpy(intf_string, intf, len);
214 intf_string[len] = '\0';
216 intf_descr = calloc(1, sizeof(*intf_descr));
217 if (intf_descr == NULL)
218 return LUSTRE_CFG_RC_OUT_OF_MEM;
220 INIT_LIST_HEAD(&intf_descr->intf_on_network);
222 intf_name = intf_string;
223 open_sq_bracket = strchr(intf_string, '[');
224 if (open_sq_bracket != NULL) {
225 close_sq_bracket = strchr(intf_string, ']');
226 if (close_sq_bracket == NULL) {
228 return LUSTRE_CFG_RC_BAD_PARAM;
230 rc = cfs_expr_list_parse(open_sq_bracket,
231 strlen(open_sq_bracket), 0, UINT_MAX,
232 &intf_descr->cpt_expr);
235 return LUSTRE_CFG_RC_BAD_PARAM;
237 strncpy(intf_descr->intf_name, intf_name,
238 open_sq_bracket - intf_name);
239 intf_descr->intf_name[open_sq_bracket - intf_name] = '\0';
241 strcpy(intf_descr->intf_name, intf_name);
242 intf_descr->cpt_expr = NULL;
245 list_add_tail(&intf_descr->intf_on_network, list);
247 return LUSTRE_CFG_RC_NO_ERR;
250 void lustre_lnet_init_nw_descr(struct lnet_dlc_network_descr *nw_descr)
252 if (nw_descr != NULL) {
254 INIT_LIST_HEAD(&nw_descr->network_on_rule);
255 INIT_LIST_HEAD(&nw_descr->nw_intflist);
259 int lustre_lnet_parse_nidstr(char *nidstr, lnet_nid_t *lnet_nidlist,
260 int max_nids, char *err_str)
262 int rc, num_nids = 0;
263 struct list_head nidlist;
266 snprintf(err_str, LNET_MAX_STR_LEN, "supplied nidstr is NULL");
267 return LUSTRE_CFG_RC_BAD_PARAM;
270 if (strchr(nidstr, '*')) {
271 snprintf(err_str, LNET_MAX_STR_LEN,
272 "asterisk not allowed in nidstring \"%s\"", nidstr);
273 return LUSTRE_CFG_RC_BAD_PARAM;
276 INIT_LIST_HEAD(&nidlist);
277 rc = cfs_parse_nidlist(nidstr, strlen(nidstr), &nidlist);
279 snprintf(err_str, LNET_MAX_STR_LEN,
280 "Unable to parse nidlist from: %s\n", nidstr);
281 return LUSTRE_CFG_RC_BAD_PARAM;
284 if (list_empty(&nidlist)) {
285 snprintf(err_str, LNET_MAX_STR_LEN,
286 "\"%s\" does not specify any valid nid lists", nidstr);
287 return LUSTRE_CFG_RC_BAD_PARAM;
290 num_nids = cfs_expand_nidlist(&nidlist, lnet_nidlist, max_nids);
291 cfs_free_nidlist(&nidlist);
293 if (num_nids == -1) {
294 snprintf(err_str, LNET_MAX_STR_LEN,
295 "\"%s\" specifies more than the %d NIDs allowed by this operation.",
297 return LUSTRE_CFG_RC_BAD_PARAM;
301 snprintf(err_str, LNET_MAX_STR_LEN,
302 "Failed to expand nidstr: %s", strerror(num_nids));
303 return LUSTRE_CFG_RC_OUT_OF_MEM;
307 snprintf(err_str, LNET_MAX_STR_LEN,
308 "\"%s\" did not expand to any nids", nidstr);
309 return LUSTRE_CFG_RC_BAD_PARAM;
317 * <intf>[<expr>], <intf>[<expr>],..
319 int lustre_lnet_parse_interfaces(char *intf_str,
320 struct lnet_dlc_network_descr *nw_descr)
325 char *cur = intf_str, *next = NULL;
326 char *end = intf_str + strlen(intf_str);
328 struct lnet_dlc_intf_descr *intf_descr, *tmp;
330 if (nw_descr == NULL)
331 return LUSTRE_CFG_RC_BAD_PARAM;
334 open_square = strchr(cur, '[');
335 if (open_square != NULL) {
336 close_square = strchr(cur, ']');
337 if (close_square == NULL) {
338 rc = LUSTRE_CFG_RC_BAD_PARAM;
342 comma = strchr(cur, ',');
343 if (comma != NULL && comma > close_square) {
345 len = next - close_square;
351 comma = strchr(cur, ',');
361 rc = lustre_lnet_add_intf_descr(&nw_descr->nw_intflist, cur, len);
362 if (rc != LUSTRE_CFG_RC_NO_ERR)
368 return LUSTRE_CFG_RC_NO_ERR;
371 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
373 list_del(&intf_descr->intf_on_network);
374 free_intf_descr(intf_descr);
380 int lustre_lnet_config_lib_init(void)
382 return register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH);
385 void lustre_lnet_config_lib_uninit(void)
387 unregister_ioc_dev(LNET_DEV_ID);
390 int lustre_lnet_config_ni_system(bool up, bool load_ni_from_mod,
391 int seq_no, struct cYAML **err_rc)
393 struct libcfs_ioctl_data data;
396 char err_str[LNET_MAX_STR_LEN] = "\"Success\"";
398 LIBCFS_IOC_INIT(data);
400 /* Reverse logic is used here in order not to change
401 * the lctl utility */
402 data.ioc_flags = load_ni_from_mod ? 0 : 1;
404 opc = up ? IOC_LIBCFS_CONFIGURE : IOC_LIBCFS_UNCONFIGURE;
406 rc = l_ioctl(LNET_DEV_ID, opc, &data);
410 "\"LNet %s error: %s\"", (up) ? "configure" :
411 "unconfigure", strerror(errno));
415 cYAML_build_error(rc, seq_no, (up) ? CONFIG_CMD : UNCONFIG_CMD,
416 "lnet", err_str, err_rc);
421 static int dispatch_peer_ni_cmd(__u32 cmd, struct lnet_ioctl_peer_cfg *data,
422 char *err_str, char *cmd_str)
426 rc = l_ioctl(LNET_DEV_ID, cmd, data);
429 snprintf(err_str, LNET_MAX_STR_LEN,
430 "\"%s peer ni operation failed: %s\"",
431 cmd_str, strerror(errno));
437 static int infra_ping_nid(char *ping_nids, char *oper, int param, int ioc_call,
438 int seq_no, struct cYAML **show_rc,
439 struct cYAML **err_rc)
442 struct lnet_ioctl_ping_data ping;
443 struct cYAML *root = NULL, *ping_node = NULL, *item = NULL,
444 *first_seq = NULL, *tmp = NULL, *peer_ni = NULL;
445 struct lnet_process_id id;
446 char err_str[LNET_MAX_STR_LEN] = {0};
447 char *sep, *token, *end;
450 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
454 len = (sizeof(struct lnet_process_id) * LNET_INTERFACES_MAX_DEFAULT);
456 data = calloc(1, len);
460 /* create struct cYAML root object */
461 root = cYAML_create_object(NULL, NULL);
465 ping_node = cYAML_create_seq(root, oper);
466 if (ping_node == NULL)
469 /* tokenise each nid in string ping_nids */
470 token = strtok(ping_nids, ",");
473 item = cYAML_create_seq_item(ping_node);
477 if (first_seq == NULL)
480 /* check if '-' is a part of NID, token */
481 sep = strchr(token, '-');
483 id.pid = LNET_PID_ANY;
484 /* if no net is specified, libcfs_str2nid() will assume tcp */
485 id.nid = libcfs_str2nid(token);
486 if (id.nid == LNET_NID_ANY) {
487 snprintf(err_str, sizeof(err_str),
488 "\"cannot parse NID '%s'\"",
490 rc = LUSTRE_CFG_RC_BAD_PARAM;
491 cYAML_build_error(rc, seq_no, MANAGE_CMD,
492 oper, err_str, err_rc);
496 if (token[0] == 'u' || token[0] == 'U')
497 id.pid = (strtoul(&token[1], &end, 0) |
498 (LNET_PID_USERFLAG));
500 id.pid = strtoul(token, &end, 0);
502 /* assuming '-' is part of hostname */
504 id.pid = LNET_PID_ANY;
505 id.nid = libcfs_str2nid(token);
506 if (id.nid == LNET_NID_ANY) {
507 snprintf(err_str, sizeof(err_str),
508 "\"cannot parse NID '%s'\"",
510 rc = LUSTRE_CFG_RC_BAD_PARAM;
511 cYAML_build_error(rc, seq_no, MANAGE_CMD,
517 id.nid = libcfs_str2nid(sep + 1);
518 if (id.nid == LNET_NID_ANY) {
519 snprintf(err_str, sizeof(err_str),
520 "\"cannot parse NID '%s'\"",
522 rc = LUSTRE_CFG_RC_BAD_PARAM;
523 cYAML_build_error(rc, seq_no, MANAGE_CMD,
530 LIBCFS_IOC_INIT_V2(ping, ping_hdr);
531 ping.ping_hdr.ioc_len = sizeof(ping);
533 ping.op_param = param;
534 ping.ping_count = LNET_INTERFACES_MAX_DEFAULT;
535 ping.ping_buf = data;
537 rc = l_ioctl(LNET_DEV_ID, ioc_call, &ping);
540 sizeof(err_str), "failed to %s %s: %s\n", oper,
541 id.pid == LNET_PID_ANY ?
542 libcfs_nid2str(id.nid) :
543 libcfs_id2str(id), strerror(errno));
544 rc = LUSTRE_CFG_RC_BAD_PARAM;
545 cYAML_build_error(rc, seq_no, MANAGE_CMD,
546 oper, err_str, err_rc);
550 if (cYAML_create_string(item, "primary nid",
551 libcfs_nid2str(ping.ping_id.nid)) == NULL)
554 if (cYAML_create_string(item, "Multi-Rail", ping.mr_info ?
555 "True" : "False") == NULL)
558 tmp = cYAML_create_seq(item, "peer ni");
562 for (i = 0; i < ping.ping_count; i++) {
563 if (ping.ping_buf[i].nid == LNET_NID_LO_0)
565 peer_ni = cYAML_create_seq_item(tmp);
568 memset(buf, 0, sizeof buf);
569 snprintf(buf, sizeof buf, "nid");
570 if (cYAML_create_string(peer_ni, buf,
571 libcfs_nid2str(ping.ping_buf[i].nid)) == NULL)
577 } while ((token = strtok(NULL, ",")) != NULL);
580 rc = LUSTRE_CFG_RC_NO_ERR;
585 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
586 cYAML_free_tree(root);
587 } else if (show_rc != NULL && *show_rc != NULL) {
588 struct cYAML *show_node;
589 show_node = cYAML_get_object_item(*show_rc, oper);
590 if (show_node != NULL && cYAML_is_sequence(show_node)) {
591 cYAML_insert_child(show_node, first_seq);
594 } else if (show_node == NULL) {
595 cYAML_insert_sibling((*show_rc)->cy_child,
599 cYAML_free_tree(root);
608 int lustre_lnet_ping_nid(char *ping_nids, int timeout, int seq_no,
609 struct cYAML **show_rc, struct cYAML **err_rc)
613 rc = infra_ping_nid(ping_nids, "ping", timeout, IOC_LIBCFS_PING_PEER,
614 seq_no, show_rc, err_rc);
618 int lustre_lnet_discover_nid(char *ping_nids, int force, int seq_no,
619 struct cYAML **show_rc, struct cYAML **err_rc)
623 rc = infra_ping_nid(ping_nids, "discover", force, IOC_LIBCFS_DISCOVER,
624 seq_no, show_rc, err_rc);
628 static int lustre_lnet_handle_peer_nidlist(lnet_nid_t *nidlist, int num_nids,
629 bool is_mr, __u32 cmd,
630 char *cmd_type, char *err_str)
632 struct lnet_ioctl_peer_cfg data;
635 if (cmd == IOC_LIBCFS_ADD_PEER_NI) {
636 /* When adding a peer we first need to create the peer using the
637 * specified (or implied) primary nid. Then we can add
638 * additional nids to this peer using the primary nid as a key
640 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
641 data.prcfg_mr = is_mr;
642 data.prcfg_prim_nid = nidlist[0];
643 data.prcfg_cfg_nid = LNET_NID_ANY;
645 rc = dispatch_peer_ni_cmd(cmd, &data, err_str, cmd_type);
651 /* Add or delete any specified NIs associated with the specified
652 * (or implied) primary nid
654 for (nid_idx = 1; nid_idx < num_nids; nid_idx++) {
655 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
656 data.prcfg_mr = is_mr;
657 data.prcfg_prim_nid = nidlist[0];
658 data.prcfg_cfg_nid = nidlist[nid_idx];
660 rc = dispatch_peer_ni_cmd(cmd, &data, err_str, cmd_type);
666 if (cmd == IOC_LIBCFS_DEL_PEER_NI && num_nids == 1) {
667 /* In the delete case we may have been given just the
668 * primary nid of the peer. This tells us to delete the peer
669 * completely (rather than just delete some of its NIs)
671 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
672 data.prcfg_prim_nid = nidlist[0];
673 data.prcfg_cfg_nid = LNET_NID_ANY;
675 rc = dispatch_peer_ni_cmd(cmd, &data, err_str, cmd_type);
682 lustre_lnet_mod_peer_nidlist(lnet_nid_t pnid, lnet_nid_t *lnet_nidlist,
683 int cmd, int num_nids, bool is_mr, int seq_no,
684 struct cYAML **err_rc)
686 int rc = LUSTRE_CFG_RC_NO_ERR;
687 char err_str[LNET_MAX_STR_LEN];
688 lnet_nid_t *lnet_nidlist2 = NULL;
689 int ioc_cmd = (cmd == LNETCTL_ADD_CMD) ? IOC_LIBCFS_ADD_PEER_NI :
690 IOC_LIBCFS_DEL_PEER_NI;
691 char *cmd_str = (cmd == LNETCTL_ADD_CMD) ? ADD_CMD : DEL_CMD;
694 lnet_nidlist2 = calloc(sizeof(*lnet_nidlist2), num_nids);
695 if (!lnet_nidlist2) {
696 snprintf(err_str, LNET_MAX_STR_LEN, "out of memory");
697 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
700 lnet_nidlist2[0] = pnid;
701 memcpy(&lnet_nidlist2[1], lnet_nidlist, sizeof(*lnet_nidlist) *
704 rc = lustre_lnet_handle_peer_nidlist(lnet_nidlist2,
705 num_nids, is_mr, ioc_cmd,
711 cYAML_build_error(rc, seq_no, cmd_str, "peer_ni", err_str, err_rc);
716 replace_sep(char *str, char sep, char newsep)
722 for (i = 0; i < strlen(str); i++) {
723 /* don't replace ',' within [] */
726 else if (str[i] == ']')
728 else if (str[i] == sep && bracket == 0)
733 int lustre_lnet_modify_peer(char *prim_nid, char *nids, bool is_mr,
734 int cmd, int seq_no, struct cYAML **err_rc)
737 char err_str[LNET_MAX_STR_LEN] = "Error";
738 lnet_nid_t lnet_nidlist[LNET_MAX_NIDS_PER_PEER];
739 lnet_nid_t pnid = LNET_NID_ANY;
742 rc = LUSTRE_CFG_RC_BAD_PARAM;
743 snprintf(err_str, LNET_MAX_STR_LEN,
744 "--prim_nid must be specified");
748 pnid = libcfs_str2nid(prim_nid);
749 if (pnid == LNET_NID_ANY) {
750 rc = LUSTRE_CFG_RC_BAD_PARAM;
751 snprintf(err_str, LNET_MAX_STR_LEN,
752 "badly formatted primary NID: %s", prim_nid);
759 * if there is no primary nid we need to make the first nid in the
760 * nids list the primary nid
762 replace_sep(nids, ',', ' ');
763 rc = lustre_lnet_parse_nidstr(nids, lnet_nidlist,
764 LNET_MAX_NIDS_PER_PEER, err_str);
771 rc = lustre_lnet_mod_peer_nidlist(pnid, lnet_nidlist,
772 cmd, num_nids, is_mr,
776 if (rc != LUSTRE_CFG_RC_NO_ERR)
777 cYAML_build_error(rc, -1, "peer",
778 cmd == LNETCTL_ADD_CMD ? "add" : "del",
784 int lustre_lnet_route_common(char *nw, char *nidstr, int hops, int prio,
785 int sen, int seq_no, struct cYAML **err_rc,
788 int rc, num_nids, idx;
790 char err_str[LNET_MAX_STR_LEN] = "\"generic error\"";
791 struct lnet_ioctl_config_data data;
792 lnet_nid_t lnet_nidlist[LNET_MAX_NIDS_PER_PEER];
794 if (nw == NULL || nidstr == NULL) {
795 snprintf(err_str, LNET_MAX_STR_LEN,
796 "\"missing mandatory parameter:'%s'\"",
797 (nw == NULL && nidstr == NULL) ? "network, gateway" :
798 (nw == NULL) ? "network" : "gateway");
799 rc = LUSTRE_CFG_RC_MISSING_PARAM;
803 rnet = libcfs_str2net(nw);
804 if (rnet == LNET_NET_ANY) {
805 snprintf(err_str, LNET_MAX_STR_LEN,
806 "\"cannot parse remote net %s\"", nw);
807 rc = LUSTRE_CFG_RC_BAD_PARAM;
811 replace_sep(nidstr, ',', ' ');
812 rc = lustre_lnet_parse_nidstr(nidstr, lnet_nidlist,
813 LNET_MAX_NIDS_PER_PEER, err_str);
819 for (idx = 0; idx < num_nids; idx++) {
820 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
822 if (cmd == LNETCTL_ADD_CMD) {
823 data.cfg_config_u.cfg_route.rtr_hop = hops;
824 data.cfg_config_u.cfg_route.rtr_priority = prio;
825 data.cfg_config_u.cfg_route.rtr_sensitivity = sen;
828 data.cfg_nid = lnet_nidlist[idx];
830 if (cmd == LNETCTL_ADD_CMD)
831 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE,
834 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE,
837 if (rc != 0 && errno != EEXIST &&
838 errno != EHOSTUNREACH) {
840 snprintf(err_str, LNET_MAX_STR_LEN,
841 "route operation failed: %s",
844 } else if (errno == EEXIST) {
846 * continue chugging along if one of the
847 * routes already exists
854 cYAML_build_error(rc, seq_no,
855 cmd == LNETCTL_ADD_CMD ? ADD_CMD : DEL_CMD, "route",
861 int lustre_lnet_config_route(char *nw, char *nidstr, int hops, int prio,
862 int sen, int seq_no, struct cYAML **err_rc)
865 char err_str[LNET_MAX_STR_LEN] = "\"generic error\"";
868 hops = LNET_UNDEFINED_HOPS;
869 } else if (hops < 1 || hops > 255) {
870 snprintf(err_str, LNET_MAX_STR_LEN,
871 "\"invalid hop count %d, must be between 1 and 255\"",
873 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
879 } else if (prio < 0) {
880 snprintf(err_str, LNET_MAX_STR_LEN,
881 "\"invalid priority %d, must be greater than 0\"",
883 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
889 } else if (sen < 1) {
890 snprintf(err_str, LNET_MAX_STR_LEN,
891 "\"invalid health sensitivity %d, must be 1 or greater\"",
893 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
897 rc = lustre_lnet_route_common(nw, nidstr, hops, prio, sen, seq_no,
898 err_rc, LNETCTL_ADD_CMD);
901 cYAML_build_error(rc, seq_no, ADD_CMD, "route", err_str, err_rc);
906 int lustre_lnet_del_route(char *nw, char *nidstr, int seq_no,
907 struct cYAML **err_rc)
909 return lustre_lnet_route_common(nw, nidstr, 0, 0, 0, seq_no, err_rc,
913 int lustre_lnet_show_route(char *nw, char *gw, int hops, int prio, int detail,
914 int seq_no, struct cYAML **show_rc,
915 struct cYAML **err_rc, bool backup)
917 struct lnet_ioctl_config_data data;
918 lnet_nid_t gateway_nid;
919 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
921 __u32 net = LNET_NET_ANY;
923 struct cYAML *root = NULL, *route = NULL, *item = NULL;
924 struct cYAML *first_seq = NULL;
925 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
929 net = libcfs_str2net(nw);
930 if (net == LNET_NET_ANY) {
933 "\"cannot parse net '%s'\"", nw);
934 rc = LUSTRE_CFG_RC_BAD_PARAM;
939 /* show all routes without filtering on net */
944 gateway_nid = libcfs_str2nid(gw);
945 if (gateway_nid == LNET_NID_ANY) {
948 "\"cannot parse gateway NID '%s'\"", gw);
949 rc = LUSTRE_CFG_RC_BAD_PARAM;
953 /* show all routes with out filtering on gateway */
954 gateway_nid = LNET_NID_ANY;
956 if ((hops < 1 && hops != -1) || hops > 255) {
959 "\"invalid hop count %d, must be between 0 and 256\"",
961 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
965 /* create struct cYAML root object */
966 root = cYAML_create_object(NULL, NULL);
970 route = cYAML_create_seq(root, "route");
978 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
981 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
987 /* filter on provided data */
988 if (net != LNET_NET_ANY &&
992 if (gateway_nid != LNET_NID_ANY &&
993 gateway_nid != data.cfg_nid)
997 hops != data.cfg_config_u.cfg_route.rtr_hop)
1001 prio != data.cfg_config_u.cfg_route.rtr_priority)
1004 /* default rc to -1 incase we hit the goto */
1008 item = cYAML_create_seq_item(route);
1012 if (first_seq == NULL)
1015 if (cYAML_create_string(item, "net",
1016 libcfs_net2str(data.cfg_net)) == NULL)
1019 if (cYAML_create_string(item, "gateway",
1020 libcfs_nid2str(data.cfg_nid)) == NULL)
1024 if (cYAML_create_number(item, "hop",
1025 (int) data.cfg_config_u.
1026 cfg_route.rtr_hop) ==
1030 if (cYAML_create_number(item, "priority",
1032 cfg_route.rtr_priority) == NULL)
1035 if (cYAML_create_number(item, "health_sensitivity",
1037 cfg_route.rtr_sensitivity) == NULL)
1040 rt_alive = data.cfg_config_u.cfg_route.rtr_flags &
1042 rt_multi_hop = data.cfg_config_u.cfg_route.rtr_flags &
1046 cYAML_create_string(item, "state",
1048 "up" : "down") == NULL)
1052 cYAML_create_string(item, "type",
1054 "multi-hop" : "single-hop") == NULL)
1059 /* print output iff show_rc is not provided */
1060 if (show_rc == NULL)
1061 cYAML_print_tree(root);
1063 if (l_errno != ENOENT) {
1066 "\"cannot get routes: %s\"",
1071 rc = LUSTRE_CFG_RC_NO_ERR;
1073 snprintf(err_str, sizeof(err_str), "\"success\"");
1075 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
1076 cYAML_free_tree(root);
1077 } else if (show_rc != NULL && *show_rc != NULL) {
1078 struct cYAML *show_node;
1079 /* find the route node, if one doesn't exist then
1080 * insert one. Otherwise add to the one there
1082 show_node = cYAML_get_object_item(*show_rc, "route");
1083 if (show_node != NULL && cYAML_is_sequence(show_node)) {
1084 cYAML_insert_child(show_node, first_seq);
1087 } else if (show_node == NULL) {
1088 cYAML_insert_sibling((*show_rc)->cy_child,
1092 cYAML_free_tree(root);
1098 cYAML_build_error(rc, seq_no, SHOW_CMD, "route", err_str, err_rc);
1103 static int socket_intf_query(int request, char *intf,
1109 if (strlen(intf) >= IFNAMSIZ || ifr == NULL)
1110 return LUSTRE_CFG_RC_BAD_PARAM;
1112 sockfd = socket(AF_INET, SOCK_DGRAM, 0);
1114 return LUSTRE_CFG_RC_BAD_PARAM;
1116 strcpy(ifr->ifr_name, intf);
1117 rc = ioctl(sockfd, request, ifr);
1119 rc = LUSTRE_CFG_RC_BAD_PARAM;
1126 static int lustre_lnet_queryip(struct lnet_dlc_intf_descr *intf, __u32 *ip)
1131 memset(&ifr, 0, sizeof(ifr));
1132 rc = socket_intf_query(SIOCGIFFLAGS, intf->intf_name, &ifr);
1134 return LUSTRE_CFG_RC_BAD_PARAM;
1136 if ((ifr.ifr_flags & IFF_UP) == 0)
1137 return LUSTRE_CFG_RC_BAD_PARAM;
1139 memset(&ifr, 0, sizeof(ifr));
1140 rc = socket_intf_query(SIOCGIFADDR, intf->intf_name, &ifr);
1142 return LUSTRE_CFG_RC_BAD_PARAM;
1144 *ip = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr;
1145 *ip = bswap_32(*ip);
1147 return LUSTRE_CFG_RC_NO_ERR;
1151 * for each interface in the array of interfaces find the IP address of
1152 * that interface, create its nid and add it to an array of NIDs.
1153 * Stop if any of the interfaces is down
1155 static int lustre_lnet_intf2nids(struct lnet_dlc_network_descr *nw,
1156 lnet_nid_t **nids, __u32 *nnids,
1157 char *err_str, size_t str_len)
1159 int i = 0, count = 0, rc;
1160 struct lnet_dlc_intf_descr *intf;
1161 char val[LNET_MAX_STR_LEN];
1168 if (nw == NULL || nids == NULL) {
1169 snprintf(err_str, str_len,
1170 "\"unexpected parameters to lustre_lnet_intf2nids()\"");
1171 return LUSTRE_CFG_RC_BAD_PARAM;
1174 if (LNET_NETTYP(nw->nw_id) == GNILND) {
1177 list_for_each_entry(intf, &nw->nw_intflist, intf_on_network)
1181 *nids = calloc(count, sizeof(lnet_nid_t));
1182 if (*nids == NULL) {
1183 snprintf(err_str, str_len,
1184 "\"out of memory\"");
1185 return LUSTRE_CFG_RC_OUT_OF_MEM;
1188 * special case the GNI interface since it doesn't have an IP
1189 * address. The assumption is that there can only be one GNI
1190 * interface in the system. No interface name is provided.
1192 if (LNET_NETTYP(nw->nw_id) == GNILND) {
1193 rc = read_sysfs_file(gni_nid_path, "nid", val,
1196 snprintf(err_str, str_len,
1197 "\"cannot read gni nid\"");
1200 gni_num = atoi(val);
1202 (*nids)[i] = LNET_MKNID(nw->nw_id, gni_num);
1207 /* look at the other interfaces */
1208 list_for_each_entry(intf, &nw->nw_intflist, intf_on_network) {
1209 if (LNET_NETTYP(nw->nw_id) == PTL4LND) {
1210 /* handle LNDs with numeric interface name */
1211 num = strtoul(intf->intf_name, &endp, 0);
1212 if (endp == intf->intf_name || *endp != '\0') {
1213 rc = LUSTRE_CFG_RC_BAD_PARAM;
1214 snprintf(err_str, str_len,
1215 "\"couldn't query intf %s\"",
1219 (*nids)[i] = LNET_MKNID(nw->nw_id, num);
1222 /* handle LNDs with ip interface name */
1223 rc = lustre_lnet_queryip(intf, &ip);
1224 if (rc != LUSTRE_CFG_RC_NO_ERR) {
1225 snprintf(err_str, str_len,
1226 "\"couldn't query intf %s\"",
1230 (*nids)[i] = LNET_MKNID(nw->nw_id, ip);
1247 * called repeatedly until a match or no more ip range
1249 * ip_range expression
1250 * interface list with all the interface names.
1251 * all the interfaces in the system.
1253 * try to match the ip_range expr to one of the interfaces' IPs in
1254 * the system. If we hit a patch for an interface. Check if that
1255 * interface name is in the list.
1257 * If there are more than one interface in the list, then make sure
1258 * that the IPs for all of these interfaces match the ip ranges
1261 * for each interface in intf_list
1262 * look up the intf name in ifa
1263 * if not there then no match
1264 * check ip obtained from ifa against a match to any of the
1266 * If no match, then fail
1268 * The result is that all the interfaces have to match.
1270 int lustre_lnet_match_ip_to_intf(struct ifaddrs *ifa,
1271 struct list_head *intf_list,
1272 struct list_head *ip_ranges)
1276 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1277 struct ifaddrs *ifaddr = ifa;
1278 struct lustre_lnet_ip_range_descr *ip_range;
1282 * if there are no explicit interfaces, and no ip ranges, then
1283 * configure the first tcp interface we encounter.
1285 if (list_empty(intf_list) && list_empty(ip_ranges)) {
1286 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1287 if (ifaddr->ifa_addr == NULL)
1290 if ((ifaddr->ifa_flags & IFF_UP) == 0)
1293 family = ifaddr->ifa_addr->sa_family;
1294 if (family == AF_INET &&
1295 strcmp(ifaddr->ifa_name, "lo") != 0) {
1296 rc = lustre_lnet_add_intf_descr
1297 (intf_list, ifaddr->ifa_name,
1298 strlen(ifaddr->ifa_name));
1300 if (rc != LUSTRE_CFG_RC_NO_ERR)
1303 return LUSTRE_CFG_RC_MATCH;
1306 return LUSTRE_CFG_RC_NO_MATCH;
1310 * First interface which matches an IP pattern will be used
1312 if (list_empty(intf_list)) {
1314 * no interfaces provided in the rule, but an ip range is
1315 * provided, so try and match an interface to the ip
1318 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1319 if (ifaddr->ifa_addr == NULL)
1322 if ((ifaddr->ifa_flags & IFF_UP) == 0)
1325 family = ifaddr->ifa_addr->sa_family;
1326 if (family == AF_INET) {
1327 ip = ((struct sockaddr_in *)ifaddr->ifa_addr)->
1330 list_for_each_entry(ip_range, ip_ranges,
1332 rc = cfs_ip_addr_match(bswap_32(ip),
1333 &ip_range->ipr_expr);
1337 rc = lustre_lnet_add_intf_descr
1338 (intf_list, ifaddr->ifa_name,
1339 strlen(ifaddr->ifa_name));
1341 if (rc != LUSTRE_CFG_RC_NO_ERR)
1347 if (!list_empty(intf_list))
1348 return LUSTRE_CFG_RC_MATCH;
1350 return LUSTRE_CFG_RC_NO_MATCH;
1354 * If an interface is explicitly specified the ip-range might or
1355 * might not be specified. if specified the interface needs to match the
1356 * ip-range. If no ip-range then the interfaces are
1357 * automatically matched if they are all up.
1358 * If > 1 interfaces all the interfaces must match for the NI to
1361 list_for_each_entry_safe(intf_descr, tmp, intf_list, intf_on_network) {
1362 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1363 if (ifaddr->ifa_addr == NULL)
1366 family = ifaddr->ifa_addr->sa_family;
1367 if (family == AF_INET &&
1368 strcmp(intf_descr->intf_name,
1369 ifaddr->ifa_name) == 0)
1373 if (ifaddr == NULL) {
1374 list_del(&intf_descr->intf_on_network);
1375 free_intf_descr(intf_descr);
1379 if ((ifaddr->ifa_flags & IFF_UP) == 0) {
1380 list_del(&intf_descr->intf_on_network);
1381 free_intf_descr(intf_descr);
1385 ip = ((struct sockaddr_in *)ifaddr->ifa_addr)->sin_addr.s_addr;
1388 list_for_each_entry(ip_range, ip_ranges, ipr_entry) {
1389 rc = cfs_ip_addr_match(bswap_32(ip), &ip_range->ipr_expr);
1395 /* no match for this interface */
1396 list_del(&intf_descr->intf_on_network);
1397 free_intf_descr(intf_descr);
1401 return LUSTRE_CFG_RC_MATCH;
1404 static int lustre_lnet_resolve_ip2nets_rule(struct lustre_lnet_ip2nets *ip2nets,
1405 lnet_nid_t **nids, __u32 *nnids,
1406 char *err_str, size_t str_len)
1408 struct ifaddrs *ifa;
1409 int rc = LUSTRE_CFG_RC_NO_ERR;
1411 rc = getifaddrs(&ifa);
1413 snprintf(err_str, str_len,
1414 "\"failed to get interface addresses: %d\"", -errno);
1418 rc = lustre_lnet_match_ip_to_intf(ifa,
1419 &ip2nets->ip2nets_net.nw_intflist,
1420 &ip2nets->ip2nets_ip_ranges);
1421 if (rc != LUSTRE_CFG_RC_MATCH) {
1422 snprintf(err_str, str_len,
1423 "\"couldn't match ip to existing interfaces\"");
1428 rc = lustre_lnet_intf2nids(&ip2nets->ip2nets_net, nids, nnids,
1430 if (rc != LUSTRE_CFG_RC_NO_ERR) {
1441 lustre_lnet_ioctl_config_ni(struct list_head *intf_list,
1442 struct lnet_ioctl_config_lnd_tunables *tunables,
1443 struct cfs_expr_list *global_cpts,
1444 lnet_nid_t *nids, char *err_str)
1447 struct lnet_ioctl_config_ni *conf;
1448 struct lnet_ioctl_config_lnd_tunables *tun = NULL;
1449 int rc = LUSTRE_CFG_RC_NO_ERR, i = 0;
1452 struct lnet_dlc_intf_descr *intf_descr;
1454 struct cfs_expr_list *cpt_expr;
1456 list_for_each_entry(intf_descr, intf_list,
1458 if (tunables != NULL)
1459 len = sizeof(struct lnet_ioctl_config_ni) +
1460 sizeof(struct lnet_ioctl_config_lnd_tunables);
1462 len = sizeof(struct lnet_ioctl_config_ni);
1464 data = calloc(1, len);
1466 return LUSTRE_CFG_RC_OUT_OF_MEM;
1467 conf = (struct lnet_ioctl_config_ni*) data;
1468 if (tunables != NULL)
1469 tun = (struct lnet_ioctl_config_lnd_tunables*)
1472 LIBCFS_IOC_INIT_V2(*conf, lic_cfg_hdr);
1473 conf->lic_cfg_hdr.ioc_len = len;
1474 conf->lic_nid = nids[i];
1475 strncpy(conf->lic_ni_intf[0], intf_descr->intf_name,
1478 if (intf_descr->cpt_expr != NULL)
1479 cpt_expr = intf_descr->cpt_expr;
1480 else if (global_cpts != NULL)
1481 cpt_expr = global_cpts;
1485 if (cpt_expr != NULL) {
1486 count = cfs_expr_list_values(cpt_expr,
1487 LNET_MAX_SHOW_NUM_CPT,
1490 memcpy(conf->lic_cpts, cpt_array,
1491 sizeof(cpt_array[0]) * LNET_MAX_STR_LEN);
1500 conf->lic_ncpts = count;
1502 if (tunables != NULL)
1503 memcpy(tun, tunables, sizeof(*tunables));
1505 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_LOCAL_NI, data);
1510 "\"cannot add network: %s\"", strerror(errno));
1518 return LUSTRE_CFG_RC_NO_ERR;
1522 lustre_lnet_config_ip2nets(struct lustre_lnet_ip2nets *ip2nets,
1523 struct lnet_ioctl_config_lnd_tunables *tunables,
1524 struct cfs_expr_list *global_cpts,
1525 int seq_no, struct cYAML **err_rc)
1527 lnet_nid_t *nids = NULL;
1530 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1535 "\"incomplete ip2nets information\"");
1536 rc = LUSTRE_CFG_RC_BAD_PARAM;
1541 * call below function to resolve the rules into a list of nids.
1542 * The memory is allocated in that function then freed here when
1543 * it's no longer needed.
1545 rc = lustre_lnet_resolve_ip2nets_rule(ip2nets, &nids, &nnids, err_str,
1547 if (rc != LUSTRE_CFG_RC_NO_ERR && rc != LUSTRE_CFG_RC_MATCH)
1550 if (list_empty(&ip2nets->ip2nets_net.nw_intflist)) {
1551 snprintf(err_str, sizeof(err_str),
1552 "\"no interfaces match ip2nets rules\"");
1556 rc = lustre_lnet_ioctl_config_ni(&ip2nets->ip2nets_net.nw_intflist,
1557 tunables, global_cpts, nids,
1564 cYAML_build_error(rc, seq_no, ADD_CMD, "ip2nets", err_str, err_rc);
1568 int lustre_lnet_config_ni(struct lnet_dlc_network_descr *nw_descr,
1569 struct cfs_expr_list *global_cpts,
1571 struct lnet_ioctl_config_lnd_tunables *tunables,
1572 int seq_no, struct cYAML **err_rc)
1575 struct lnet_ioctl_config_ni *conf;
1576 struct lnet_ioctl_config_lnd_tunables *tun = NULL;
1577 char buf[LNET_MAX_STR_LEN];
1578 int rc = LUSTRE_CFG_RC_NO_ERR;
1579 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1580 lnet_nid_t *nids = NULL;
1584 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1587 if (ip2net == NULL && (nw_descr == NULL || nw_descr->nw_id == 0 ||
1588 (list_empty(&nw_descr->nw_intflist) &&
1589 LNET_NETTYP(nw_descr->nw_id) != GNILND))) {
1592 "\"missing mandatory parameters in NI config: '%s'\"",
1593 (nw_descr == NULL) ? "network , interface" :
1594 (nw_descr->nw_id == 0) ? "network" : "interface");
1595 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1599 if (ip2net != NULL && strlen(ip2net) >= sizeof(buf)) {
1602 "\"ip2net string too long %d\"",
1603 (int)strlen(ip2net));
1604 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
1608 if (ip2net != NULL) {
1609 if (tunables != NULL)
1610 len = sizeof(struct lnet_ioctl_config_ni) +
1611 sizeof(struct lnet_ioctl_config_lnd_tunables);
1613 len = sizeof(struct lnet_ioctl_config_ni);
1614 data = calloc(1, len);
1616 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
1619 conf = (struct lnet_ioctl_config_ni*) data;
1620 if (tunables != NULL)
1621 tun = (struct lnet_ioctl_config_lnd_tunables*)
1622 (data + sizeof(*conf));
1624 LIBCFS_IOC_INIT_V2(*conf, lic_cfg_hdr);
1625 conf->lic_cfg_hdr.ioc_len = len;
1626 strncpy(conf->lic_legacy_ip2nets, ip2net,
1629 if (global_cpts != NULL) {
1630 count = cfs_expr_list_values(global_cpts,
1631 LNET_MAX_SHOW_NUM_CPT,
1634 memcpy(conf->lic_cpts, cpt_array,
1635 sizeof(cpt_array[0]) * LNET_MAX_STR_LEN);
1644 conf->lic_ncpts = count;
1646 if (tunables != NULL)
1647 memcpy(tun, tunables, sizeof(*tunables));
1649 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_LOCAL_NI, data);
1654 "\"cannot add network: %s\"", strerror(errno));
1661 if (LNET_NETTYP(nw_descr->nw_id) == LOLND) {
1662 rc = LUSTRE_CFG_RC_NO_ERR;
1666 if (nw_descr->nw_id == LNET_NET_ANY) {
1669 "\"cannot parse net '%s'\"",
1670 libcfs_net2str(nw_descr->nw_id));
1671 rc = LUSTRE_CFG_RC_BAD_PARAM;
1676 * special case the GNI since no interface name is expected
1678 if (list_empty(&nw_descr->nw_intflist) &&
1679 (LNET_NETTYP(nw_descr->nw_id) != GNILND)) {
1682 "\"no interface name provided\"");
1683 rc = LUSTRE_CFG_RC_BAD_PARAM;
1687 rc = lustre_lnet_intf2nids(nw_descr, &nids, &nnids,
1688 err_str, sizeof(err_str));
1690 rc = LUSTRE_CFG_RC_BAD_PARAM;
1694 rc = lustre_lnet_ioctl_config_ni(&nw_descr->nw_intflist,
1695 tunables, global_cpts, nids,
1699 if (nw_descr != NULL) {
1700 list_for_each_entry_safe(intf_descr, tmp,
1701 &nw_descr->nw_intflist,
1703 list_del(&intf_descr->intf_on_network);
1704 free_intf_descr(intf_descr);
1708 cYAML_build_error(rc, seq_no, ADD_CMD, "net", err_str, err_rc);
1719 int lustre_lnet_del_ni(struct lnet_dlc_network_descr *nw_descr,
1720 int seq_no, struct cYAML **err_rc)
1722 struct lnet_ioctl_config_ni data;
1723 int rc = LUSTRE_CFG_RC_NO_ERR, i;
1724 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1725 lnet_nid_t *nids = NULL;
1727 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1729 if (nw_descr == NULL || nw_descr->nw_id == 0) {
1732 "\"missing mandatory parameter in deleting NI: '%s'\"",
1733 (nw_descr == NULL) ? "network , interface" :
1734 (nw_descr->nw_id == 0) ? "network" : "interface");
1735 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1739 if (LNET_NETTYP(nw_descr->nw_id) == LOLND)
1740 return LUSTRE_CFG_RC_NO_ERR;
1742 if (nw_descr->nw_id == LNET_NET_ANY) {
1745 "\"cannot parse net '%s'\"",
1746 libcfs_net2str(nw_descr->nw_id));
1747 rc = LUSTRE_CFG_RC_BAD_PARAM;
1751 rc = lustre_lnet_intf2nids(nw_descr, &nids, &nnids,
1752 err_str, sizeof(err_str));
1754 rc = LUSTRE_CFG_RC_BAD_PARAM;
1759 * no interfaces just the nw_id is specified
1762 nids = calloc(1, sizeof(*nids));
1764 snprintf(err_str, sizeof(err_str),
1765 "\"out of memory\"");
1766 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
1769 nids[0] = LNET_MKNID(nw_descr->nw_id, 0);
1773 for (i = 0; i < nnids; i++) {
1774 LIBCFS_IOC_INIT_V2(data, lic_cfg_hdr);
1775 data.lic_nid = nids[i];
1777 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_LOCAL_NI, &data);
1782 "\"cannot del network: %s\"", strerror(errno));
1786 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
1788 list_del(&intf_descr->intf_on_network);
1789 free_intf_descr(intf_descr);
1793 cYAML_build_error(rc, seq_no, DEL_CMD, "net", err_str, err_rc);
1802 lustre_lnet_config_healthv(int value, bool all, lnet_nid_t nid,
1803 enum lnet_health_type type, char *name,
1804 int seq_no, struct cYAML **err_rc)
1806 struct lnet_ioctl_reset_health_cfg data;
1807 int rc = LUSTRE_CFG_RC_NO_ERR;
1808 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
1810 LIBCFS_IOC_INIT_V2(data, rh_hdr);
1811 data.rh_type = type;
1813 data.rh_value = value;
1816 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_SET_HEALHV, &data);
1820 sizeof(err_str), "Can not configure health value: %s",
1824 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
1829 int lustre_lnet_config_ni_healthv(int value, bool all, char *ni_nid, int seq_no,
1830 struct cYAML **err_rc)
1834 nid = libcfs_str2nid(ni_nid);
1837 return lustre_lnet_config_healthv(value, all, nid,
1838 LNET_HEALTH_TYPE_LOCAL_NI,
1839 "ni healthv", seq_no, err_rc);
1842 int lustre_lnet_config_peer_ni_healthv(int value, bool all, char *lpni_nid,
1843 int seq_no, struct cYAML **err_rc)
1847 nid = libcfs_str2nid(lpni_nid);
1850 return lustre_lnet_config_healthv(value, all, nid,
1851 LNET_HEALTH_TYPE_PEER_NI,
1852 "peer_ni healthv", seq_no, err_rc);
1856 add_msg_stats_to_yaml_blk(struct cYAML *yaml,
1857 struct lnet_ioctl_comm_count *counts)
1859 if (cYAML_create_number(yaml, "put",
1860 counts->ico_put_count)
1863 if (cYAML_create_number(yaml, "get",
1864 counts->ico_get_count)
1867 if (cYAML_create_number(yaml, "reply",
1868 counts->ico_reply_count)
1871 if (cYAML_create_number(yaml, "ack",
1872 counts->ico_ack_count)
1875 if (cYAML_create_number(yaml, "hello",
1876 counts->ico_hello_count)
1883 static struct lnet_ioctl_comm_count *
1884 get_counts(struct lnet_ioctl_element_msg_stats *msg_stats, int idx)
1887 return &msg_stats->im_send_stats;
1889 return &msg_stats->im_recv_stats;
1891 return &msg_stats->im_drop_stats;
1896 int lustre_lnet_show_net(char *nw, int detail, int seq_no,
1897 struct cYAML **show_rc, struct cYAML **err_rc,
1901 struct lnet_ioctl_config_ni *ni_data;
1902 struct lnet_ioctl_config_lnd_tunables *lnd;
1903 struct lnet_ioctl_element_stats *stats;
1904 struct lnet_ioctl_element_msg_stats msg_stats;
1905 struct lnet_ioctl_local_ni_hstats hstats;
1906 __u32 net = LNET_NET_ANY;
1907 __u32 prev_net = LNET_NET_ANY;
1908 int rc = LUSTRE_CFG_RC_OUT_OF_MEM, i, j;
1910 struct cYAML *root = NULL, *tunables = NULL,
1911 *net_node = NULL, *interfaces = NULL,
1912 *item = NULL, *first_seq = NULL,
1913 *tmp = NULL, *statistics = NULL,
1915 int str_buf_len = LNET_MAX_SHOW_NUM_CPT * 2;
1916 char str_buf[str_buf_len];
1918 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
1919 bool exist = false, new_net = true;
1921 size_t buf_size = sizeof(*ni_data) + sizeof(*lnd) + sizeof(*stats);
1923 buf = calloc(1, buf_size);
1927 ni_data = (struct lnet_ioctl_config_ni *)buf;
1930 net = libcfs_str2net(nw);
1931 if (net == LNET_NET_ANY) {
1934 "\"cannot parse net '%s'\"", nw);
1935 rc = LUSTRE_CFG_RC_BAD_PARAM;
1940 root = cYAML_create_object(NULL, NULL);
1944 net_node = cYAML_create_seq(root, "net");
1945 if (net_node == NULL)
1951 memset(buf, 0, buf_size);
1953 LIBCFS_IOC_INIT_V2(*ni_data, lic_cfg_hdr);
1955 * set the ioc_len to the proper value since INIT assumes
1958 ni_data->lic_cfg_hdr.ioc_len = buf_size;
1959 ni_data->lic_idx = i;
1961 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LOCAL_NI, ni_data);
1967 rc_net = LNET_NIDNET(ni_data->lic_nid);
1969 /* filter on provided data */
1970 if (net != LNET_NET_ANY &&
1974 /* if we're backing up don't store lo */
1975 if (backup && LNET_NETTYP(rc_net) == LOLND)
1978 /* default rc to -1 in case we hit the goto */
1982 stats = (struct lnet_ioctl_element_stats *)ni_data->lic_bulk;
1983 lnd = (struct lnet_ioctl_config_lnd_tunables *)
1984 (ni_data->lic_bulk + sizeof(*stats));
1986 if (rc_net != prev_net) {
1993 if (!cYAML_create_string(net_node, "net type",
1994 libcfs_net2str(rc_net)))
1997 tmp = cYAML_create_seq(net_node, "local NI(s)");
2003 /* create the tree to be printed. */
2004 item = cYAML_create_seq_item(tmp);
2008 if (first_seq == NULL)
2012 cYAML_create_string(item, "nid",
2013 libcfs_nid2str(ni_data->lic_nid)) == NULL)
2017 cYAML_create_string(item,
2019 (ni_data->lic_status ==
2020 LNET_NI_STATUS_UP) ?
2021 "up" : "down") == NULL)
2024 /* don't add interfaces unless there is at least one
2026 if (strlen(ni_data->lic_ni_intf[0]) > 0) {
2027 interfaces = cYAML_create_object(item, "interfaces");
2028 if (interfaces == NULL)
2031 for (j = 0; j < LNET_INTERFACES_NUM; j++) {
2032 if (strlen(ni_data->lic_ni_intf[j]) > 0) {
2034 sizeof(str_buf), "%d", j);
2035 if (cYAML_create_string(interfaces,
2037 ni_data->lic_ni_intf[j]) ==
2049 goto continue_without_msg_stats;
2051 statistics = cYAML_create_object(item, "statistics");
2052 if (statistics == NULL)
2055 if (cYAML_create_number(statistics, "send_count",
2056 stats->iel_send_count)
2060 if (cYAML_create_number(statistics, "recv_count",
2061 stats->iel_recv_count)
2065 if (cYAML_create_number(statistics, "drop_count",
2066 stats->iel_drop_count)
2071 goto continue_without_msg_stats;
2073 LIBCFS_IOC_INIT_V2(msg_stats, im_hdr);
2074 msg_stats.im_hdr.ioc_len = sizeof(msg_stats);
2075 msg_stats.im_idx = i;
2077 rc = l_ioctl(LNET_DEV_ID,
2078 IOC_LIBCFS_GET_LOCAL_NI_MSG_STATS,
2082 goto continue_without_msg_stats;
2085 for (k = 0; k < 3; k++) {
2086 struct lnet_ioctl_comm_count *counts;
2087 struct cYAML *msg_statistics = NULL;
2089 msg_statistics = cYAML_create_object(item,
2090 (char *)gmsg_stat_names[k]);
2091 if (msg_statistics == NULL)
2094 counts = get_counts(&msg_stats, k);
2098 if (!add_msg_stats_to_yaml_blk(msg_statistics,
2103 LIBCFS_IOC_INIT_V2(hstats, hlni_hdr);
2104 hstats.hlni_nid = ni_data->lic_nid;
2105 /* grab health stats */
2106 rc = l_ioctl(LNET_DEV_ID,
2107 IOC_LIBCFS_GET_LOCAL_HSTATS,
2111 goto continue_without_msg_stats;
2113 yhstats = cYAML_create_object(item, "health stats");
2116 if (cYAML_create_number(yhstats, "health value",
2117 hstats.hlni_health_value)
2120 if (cYAML_create_number(yhstats, "interrupts",
2121 hstats.hlni_local_interrupt)
2124 if (cYAML_create_number(yhstats, "dropped",
2125 hstats.hlni_local_dropped)
2128 if (cYAML_create_number(yhstats, "aborted",
2129 hstats.hlni_local_aborted)
2132 if (cYAML_create_number(yhstats, "no route",
2133 hstats.hlni_local_no_route)
2136 if (cYAML_create_number(yhstats, "timeouts",
2137 hstats.hlni_local_timeout)
2140 if (cYAML_create_number(yhstats, "error",
2141 hstats.hlni_local_error)
2145 continue_without_msg_stats:
2146 tunables = cYAML_create_object(item, "tunables");
2150 rc = lustre_net_show_tunables(tunables, &lnd->lt_cmn);
2151 if (rc != LUSTRE_CFG_RC_NO_ERR)
2154 rc = lustre_ni_show_tunables(tunables, LNET_NETTYP(rc_net),
2156 if (rc != LUSTRE_CFG_RC_NO_ERR &&
2157 rc != LUSTRE_CFG_RC_NO_MATCH)
2160 if (rc != LUSTRE_CFG_RC_NO_MATCH) {
2161 tunables = cYAML_create_object(item,
2163 if (tunables == NULL)
2168 cYAML_create_number(item, "dev cpt",
2169 ni_data->lic_dev_cpt) == NULL)
2173 cYAML_create_number(item, "tcp bonding",
2174 ni_data->lic_tcp_bonding)
2178 /* out put the CPTs in the format: "[x,x,x,...]" */
2180 limit = str_buf + str_buf_len - 3;
2181 pos += scnprintf(pos, limit - pos, "\"[");
2182 for (j = 0 ; ni_data->lic_ncpts >= 1 &&
2183 j < ni_data->lic_ncpts &&
2185 pos += scnprintf(pos, limit - pos,
2186 "%d", ni_data->lic_cpts[j]);
2187 if ((j + 1) < ni_data->lic_ncpts)
2188 pos += scnprintf(pos, limit - pos, ",");
2190 snprintf(pos, 3, "]\"");
2192 if (ni_data->lic_ncpts >= 1 &&
2193 cYAML_create_string(item, "CPT",
2199 /* Print out the net information only if show_rc is not provided */
2200 if (show_rc == NULL)
2201 cYAML_print_tree(root);
2203 if (l_errno != ENOENT) {
2206 "\"cannot get networks: %s\"",
2211 rc = LUSTRE_CFG_RC_NO_ERR;
2213 snprintf(err_str, sizeof(err_str), "\"success\"");
2215 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2216 cYAML_free_tree(root);
2217 } else if (show_rc != NULL && *show_rc != NULL) {
2218 struct cYAML *show_node;
2219 /* find the net node, if one doesn't exist
2220 * then insert one. Otherwise add to the one there
2222 show_node = cYAML_get_object_item(*show_rc, "net");
2223 if (show_node != NULL && cYAML_is_sequence(show_node)) {
2224 cYAML_insert_child(show_node, first_seq);
2227 } else if (show_node == NULL) {
2228 cYAML_insert_sibling((*show_rc)->cy_child,
2232 cYAML_free_tree(root);
2238 cYAML_build_error(rc, seq_no, SHOW_CMD, "net", err_str, err_rc);
2243 int lustre_lnet_enable_routing(int enable, int seq_no, struct cYAML **err_rc)
2245 struct lnet_ioctl_config_data data;
2246 int rc = LUSTRE_CFG_RC_NO_ERR;
2247 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2249 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2250 data.cfg_config_u.cfg_buffers.buf_enable = (enable) ? 1 : 0;
2252 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIG_RTR, &data);
2257 "\"cannot %s routing %s\"",
2258 (enable) ? "enable" : "disable", strerror(errno));
2263 cYAML_build_error(rc, seq_no,
2264 (enable) ? ADD_CMD : DEL_CMD,
2265 "routing", err_str, err_rc);
2270 int ioctl_set_value(__u32 val, int ioc, char *name,
2271 int seq_no, struct cYAML **err_rc)
2273 struct lnet_ioctl_set_value data;
2274 int rc = LUSTRE_CFG_RC_NO_ERR;
2275 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2277 LIBCFS_IOC_INIT_V2(data, sv_hdr);
2278 data.sv_value = val;
2280 rc = l_ioctl(LNET_DEV_ID, ioc , &data);
2285 "\"cannot configure %s to %d: %s\"", name,
2286 val, strerror(errno));
2289 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
2294 int lustre_lnet_config_recov_intrv(int intrv, int seq_no, struct cYAML **err_rc)
2296 int rc = LUSTRE_CFG_RC_NO_ERR;
2297 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2298 char val[LNET_MAX_STR_LEN];
2300 snprintf(val, sizeof(val), "%d", intrv);
2302 rc = write_sysfs_file(modparam_path, "lnet_recovery_interval", val,
2303 1, strlen(val) + 1);
2305 snprintf(err_str, sizeof(err_str),
2306 "\"cannot configure recovery interval: %s\"",
2309 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_interval", err_str, err_rc);
2314 int lustre_lnet_config_rtr_sensitivity(int sen, int seq_no, struct cYAML **err_rc)
2316 int rc = LUSTRE_CFG_RC_NO_ERR;
2317 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2318 char val[LNET_MAX_STR_LEN];
2320 snprintf(val, sizeof(val), "%d", sen);
2322 rc = write_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
2323 1, strlen(val) + 1);
2325 snprintf(err_str, sizeof(err_str),
2326 "\"cannot configure router health sensitivity: %s\"",
2329 cYAML_build_error(rc, seq_no, ADD_CMD, "router_sensitivity", err_str, err_rc);
2334 int lustre_lnet_config_hsensitivity(int sen, int seq_no, struct cYAML **err_rc)
2336 int rc = LUSTRE_CFG_RC_NO_ERR;
2337 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2338 char val[LNET_MAX_STR_LEN];
2340 snprintf(val, sizeof(val), "%d", sen);
2342 rc = write_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
2343 1, strlen(val) + 1);
2345 snprintf(err_str, sizeof(err_str),
2346 "\"cannot configure health sensitivity: %s\"",
2349 cYAML_build_error(rc, seq_no, ADD_CMD, "health_sensitivity", err_str, err_rc);
2354 int lustre_lnet_config_transaction_to(int timeout, int seq_no, struct cYAML **err_rc)
2356 int rc = LUSTRE_CFG_RC_NO_ERR;
2357 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2358 char val[LNET_MAX_STR_LEN];
2360 snprintf(val, sizeof(val), "%d", timeout);
2362 rc = write_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
2363 1, strlen(val) + 1);
2365 snprintf(err_str, sizeof(err_str),
2366 "\"cannot configure transaction timeout: %s\"",
2369 cYAML_build_error(rc, seq_no, ADD_CMD, "transaction_timeout", err_str, err_rc);
2374 int lustre_lnet_config_retry_count(int count, int seq_no, struct cYAML **err_rc)
2376 int rc = LUSTRE_CFG_RC_NO_ERR;
2377 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2378 char val[LNET_MAX_STR_LEN];
2380 snprintf(val, sizeof(val), "%d", count);
2382 rc = write_sysfs_file(modparam_path, "lnet_retry_count", val,
2383 1, strlen(val) + 1);
2385 snprintf(err_str, sizeof(err_str),
2386 "\"cannot configure retry count: %s\"",
2389 cYAML_build_error(rc, seq_no, ADD_CMD, "retry_count", err_str, err_rc);
2394 int lustre_lnet_config_response_tracking(int val, int seq_no,
2395 struct cYAML **err_rc)
2397 int rc = LUSTRE_CFG_RC_NO_ERR;
2398 char err_str[LNET_MAX_STR_LEN];
2399 char val_str[LNET_MAX_STR_LEN];
2401 if (val < 0 || val > 3) {
2402 rc = LUSTRE_CFG_RC_BAD_PARAM;
2403 snprintf(err_str, sizeof(err_str),
2404 "\"Valid values are: 0, 1, 2, or 3\"");
2406 snprintf(err_str, sizeof(err_str), "\"success\"");
2408 snprintf(val_str, sizeof(val_str), "%d", val);
2410 rc = write_sysfs_file(modparam_path, "lnet_response_tracking",
2411 val_str, 1, strlen(val_str) + 1);
2413 snprintf(err_str, sizeof(err_str),
2414 "\"cannot configure response tracking: %s\"",
2418 cYAML_build_error(rc, seq_no, ADD_CMD, "response_tracking", err_str,
2424 int lustre_lnet_config_recovery_limit(int val, int seq_no,
2425 struct cYAML **err_rc)
2427 int rc = LUSTRE_CFG_RC_NO_ERR;
2428 char err_str[LNET_MAX_STR_LEN];
2429 char val_str[LNET_MAX_STR_LEN];
2432 rc = LUSTRE_CFG_RC_BAD_PARAM;
2433 snprintf(err_str, sizeof(err_str),
2434 "\"Must be greater than or equal to 0\"");
2436 snprintf(err_str, sizeof(err_str), "\"success\"");
2438 snprintf(val_str, sizeof(val_str), "%d", val);
2440 rc = write_sysfs_file(modparam_path, "lnet_recovery_limit",
2441 val_str, 1, strlen(val_str) + 1);
2443 snprintf(err_str, sizeof(err_str),
2444 "\"cannot configure recovery limit: %s\"",
2448 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_limit", err_str,
2454 int lustre_lnet_config_max_intf(int max, int seq_no, struct cYAML **err_rc)
2456 int rc = LUSTRE_CFG_RC_NO_ERR;
2457 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2458 char val[LNET_MAX_STR_LEN];
2460 snprintf(val, sizeof(val), "%d", max);
2462 rc = write_sysfs_file(modparam_path, "lnet_interfaces_max", val,
2463 1, strlen(val) + 1);
2465 snprintf(err_str, sizeof(err_str),
2466 "\"cannot configure max interfaces: %s\"",
2469 cYAML_build_error(rc, seq_no, ADD_CMD, "max_interfaces", err_str, err_rc);
2474 int lustre_lnet_config_discovery(int enable, int seq_no, struct cYAML **err_rc)
2476 int rc = LUSTRE_CFG_RC_NO_ERR;
2477 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2478 char val[LNET_MAX_STR_LEN];
2480 snprintf(val, sizeof(val), "%u", (enable) ? 0 : 1);
2482 rc = write_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
2483 1, strlen(val) + 1);
2485 snprintf(err_str, sizeof(err_str),
2486 "\"cannot configure discovery: %s\"",
2489 cYAML_build_error(rc, seq_no, ADD_CMD, "discovery", err_str, err_rc);
2495 int lustre_lnet_config_drop_asym_route(int drop, int seq_no,
2496 struct cYAML **err_rc)
2498 int rc = LUSTRE_CFG_RC_NO_ERR;
2499 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2500 char val[LNET_MAX_STR_LEN];
2502 snprintf(val, sizeof(val), "%u", (drop) ? 1 : 0);
2504 rc = write_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
2505 1, strlen(val) + 1);
2507 snprintf(err_str, sizeof(err_str),
2508 "\"cannot configure drop asym route: %s\"",
2511 cYAML_build_error(rc, seq_no, ADD_CMD, "drop_asym_route",
2518 int lustre_lnet_config_numa_range(int range, int seq_no, struct cYAML **err_rc)
2520 return ioctl_set_value(range, IOC_LIBCFS_SET_NUMA_RANGE,
2521 "numa_range", seq_no, err_rc);
2524 int lustre_lnet_config_buffers(int tiny, int small, int large, int seq_no,
2525 struct cYAML **err_rc)
2527 struct lnet_ioctl_config_data data;
2528 int rc = LUSTRE_CFG_RC_NO_ERR;
2529 char err_str[LNET_MAX_STR_LEN] = "\"success\"";
2531 /* -1 indicates to ignore changes to this field */
2532 if (tiny < -1 || small < -1 || large < -1) {
2535 "\"tiny, small and large must be >= 0\"");
2536 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
2540 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2541 data.cfg_config_u.cfg_buffers.buf_tiny = tiny;
2542 data.cfg_config_u.cfg_buffers.buf_small = small;
2543 data.cfg_config_u.cfg_buffers.buf_large = large;
2545 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_BUF, &data);
2550 "\"cannot configure buffers: %s\"", strerror(errno));
2555 cYAML_build_error(rc, seq_no, ADD_CMD, "buf", err_str, err_rc);
2560 int lustre_lnet_show_routing(int seq_no, struct cYAML **show_rc,
2561 struct cYAML **err_rc, bool backup)
2563 struct lnet_ioctl_config_data *data;
2564 struct lnet_ioctl_pool_cfg *pool_cfg = NULL;
2565 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2568 char *pools[LNET_NRBPOOLS] = {"tiny", "small", "large"};
2569 int buf_count[LNET_NRBPOOLS] = {0};
2570 struct cYAML *root = NULL, *pools_node = NULL,
2571 *type_node = NULL, *item = NULL, *cpt = NULL,
2572 *first_seq = NULL, *buffers = NULL;
2574 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2575 char node_name[LNET_MAX_STR_LEN];
2578 buf = calloc(1, sizeof(*data) + sizeof(*pool_cfg));
2582 data = (struct lnet_ioctl_config_data *)buf;
2584 root = cYAML_create_object(NULL, NULL);
2589 pools_node = cYAML_create_object(root, "routing");
2591 pools_node = cYAML_create_seq(root, "routing");
2592 if (pools_node == NULL)
2596 LIBCFS_IOC_INIT_V2(*data, cfg_hdr);
2597 data->cfg_hdr.ioc_len = sizeof(struct lnet_ioctl_config_data) +
2598 sizeof(struct lnet_ioctl_pool_cfg);
2599 data->cfg_count = i;
2601 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_BUF, data);
2609 pool_cfg = (struct lnet_ioctl_pool_cfg *)data->cfg_bulk;
2612 goto calculate_buffers;
2614 snprintf(node_name, sizeof(node_name), "cpt[%d]", i);
2615 item = cYAML_create_seq_item(pools_node);
2619 if (first_seq == NULL)
2622 cpt = cYAML_create_object(item, node_name);
2627 /* create the tree and print */
2628 for (j = 0; j < LNET_NRBPOOLS; j++) {
2630 type_node = cYAML_create_object(cpt, pools[j]);
2631 if (type_node == NULL)
2635 cYAML_create_number(type_node, "npages",
2636 pool_cfg->pl_pools[j].pl_npages)
2640 cYAML_create_number(type_node, "nbuffers",
2641 pool_cfg->pl_pools[j].
2642 pl_nbuffers) == NULL)
2645 cYAML_create_number(type_node, "credits",
2646 pool_cfg->pl_pools[j].
2647 pl_credits) == NULL)
2650 cYAML_create_number(type_node, "mincredits",
2651 pool_cfg->pl_pools[j].
2652 pl_mincredits) == NULL)
2654 /* keep track of the total count for each of the
2655 * tiny, small and large buffers */
2656 buf_count[j] += pool_cfg->pl_pools[j].pl_nbuffers;
2660 if (pool_cfg != NULL) {
2662 if (cYAML_create_number(pools_node, "enable",
2663 pool_cfg->pl_routing) ==
2667 goto add_buffer_section;
2670 item = cYAML_create_seq_item(pools_node);
2674 if (cYAML_create_number(item, "enable", pool_cfg->pl_routing) ==
2680 /* create a buffers entry in the show. This is necessary so that
2681 * if the YAML output is used to configure a node, the buffer
2682 * configuration takes hold */
2683 buffers = cYAML_create_object(root, "buffers");
2684 if (buffers == NULL)
2687 for (i = 0; i < LNET_NRBPOOLS; i++) {
2688 if (cYAML_create_number(buffers, pools[i], buf_count[i]) == NULL)
2692 if (show_rc == NULL)
2693 cYAML_print_tree(root);
2695 if (l_errno != ENOENT) {
2698 "\"cannot get routing information: %s\"",
2703 rc = LUSTRE_CFG_RC_NO_ERR;
2705 snprintf(err_str, sizeof(err_str), "\"success\"");
2706 rc = LUSTRE_CFG_RC_NO_ERR;
2710 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2711 cYAML_free_tree(root);
2712 } else if (show_rc != NULL && *show_rc != NULL) {
2713 struct cYAML *routing_node;
2714 /* there should exist only one routing block and one
2715 * buffers block. If there already exists a previous one
2716 * then don't add another */
2717 routing_node = cYAML_get_object_item(*show_rc, "routing");
2718 if (routing_node == NULL) {
2719 cYAML_insert_sibling((*show_rc)->cy_child,
2723 cYAML_free_tree(root);
2729 cYAML_build_error(rc, seq_no, SHOW_CMD, "routing", err_str, err_rc);
2734 int lustre_lnet_show_peer(char *knid, int detail, int seq_no,
2735 struct cYAML **show_rc, struct cYAML **err_rc,
2739 * TODO: This function is changing in a future patch to accommodate
2740 * PEER_LIST and proper filtering on any nid of the peer
2742 struct lnet_ioctl_peer_cfg peer_info;
2743 struct lnet_peer_ni_credit_info *lpni_cri;
2744 struct lnet_ioctl_element_stats *lpni_stats;
2745 struct lnet_ioctl_element_msg_stats *msg_stats;
2746 struct lnet_ioctl_peer_ni_hstats *hstats;
2748 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2753 struct cYAML *root = NULL, *peer = NULL, *peer_ni = NULL,
2754 *first_seq = NULL, *peer_root = NULL, *tmp = NULL,
2755 *msg_statistics = NULL, *statistics = NULL,
2757 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
2758 struct lnet_process_id *list = NULL;
2763 /* create struct cYAML root object */
2764 root = cYAML_create_object(NULL, NULL);
2768 peer_root = cYAML_create_seq(root, "peer");
2769 if (peer_root == NULL)
2773 size = count * sizeof(struct lnet_process_id);
2774 list = malloc(size);
2780 list[0].nid = libcfs_str2nid(knid);
2784 memset(&peer_info, 0, sizeof(peer_info));
2785 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
2786 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
2787 peer_info.prcfg_size = size;
2788 peer_info.prcfg_bulk = list;
2791 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST,
2793 count = peer_info.prcfg_count;
2797 if (l_errno != E2BIG) {
2800 "\"cannot get peer list: %s\"",
2806 size = peer_info.prcfg_size;
2807 list = malloc(size);
2816 data = malloc(size);
2822 for (i = 0; i < count; i++) {
2824 memset(&peer_info, 0, sizeof(peer_info));
2825 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
2826 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
2827 peer_info.prcfg_prim_nid = list[i].nid;
2828 peer_info.prcfg_size = size;
2829 peer_info.prcfg_bulk = data;
2832 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_NI,
2837 if (l_errno != E2BIG) {
2840 "\"cannot get peer information: %s\"",
2846 size = peer_info.prcfg_size;
2847 data = malloc(size);
2855 peer = cYAML_create_seq_item(peer_root);
2859 if (first_seq == NULL)
2862 lnet_nid_t pnid = peer_info.prcfg_prim_nid;
2863 if (cYAML_create_string(peer, "primary nid",
2864 libcfs_nid2str(pnid))
2867 if (cYAML_create_string(peer, "Multi-Rail",
2868 peer_info.prcfg_mr ? "True" : "False")
2872 * print out the state of the peer only if details are
2877 cYAML_create_number(peer, "peer state",
2878 peer_info.prcfg_state)
2883 tmp = cYAML_create_seq(peer, "peer ni");
2888 for (j = 0; j < peer_info.prcfg_count; j++) {
2890 lpni_cri = (void*)nidp + sizeof(nidp);
2891 lpni_stats = (void *)lpni_cri + sizeof(*lpni_cri);
2892 msg_stats = (void *)lpni_stats + sizeof(*lpni_stats);
2893 hstats = (void *)msg_stats + sizeof(*msg_stats);
2894 lpni_data = (void *)hstats + sizeof(*hstats);
2896 peer_ni = cYAML_create_seq_item(tmp);
2897 if (peer_ni == NULL)
2900 if (cYAML_create_string(peer_ni, "nid",
2901 libcfs_nid2str(*nidp))
2908 if (cYAML_create_string(peer_ni, "state",
2909 lpni_cri->cr_aliveness)
2916 if (cYAML_create_number(peer_ni, "max_ni_tx_credits",
2917 lpni_cri->cr_ni_peer_tx_credits)
2921 if (cYAML_create_number(peer_ni, "available_tx_credits",
2922 lpni_cri->cr_peer_tx_credits)
2926 if (cYAML_create_number(peer_ni, "min_tx_credits",
2927 lpni_cri->cr_peer_min_tx_credits)
2931 if (cYAML_create_number(peer_ni, "tx_q_num_of_buf",
2932 lpni_cri->cr_peer_tx_qnob)
2936 if (cYAML_create_number(peer_ni, "available_rtr_credits",
2937 lpni_cri->cr_peer_rtr_credits)
2941 if (cYAML_create_number(peer_ni, "min_rtr_credits",
2942 lpni_cri->cr_peer_min_rtr_credits)
2946 if (cYAML_create_number(peer_ni, "refcount",
2947 lpni_cri->cr_refcount) == NULL)
2950 statistics = cYAML_create_object(peer_ni, "statistics");
2951 if (statistics == NULL)
2954 if (cYAML_create_number(statistics, "send_count",
2955 lpni_stats->iel_send_count)
2959 if (cYAML_create_number(statistics, "recv_count",
2960 lpni_stats->iel_recv_count)
2964 if (cYAML_create_number(statistics, "drop_count",
2965 lpni_stats->iel_drop_count)
2972 for (k = 0; k < 3; k++) {
2973 struct lnet_ioctl_comm_count *counts;
2975 msg_statistics = cYAML_create_object(peer_ni,
2976 (char *) gmsg_stat_names[k]);
2977 if (msg_statistics == NULL)
2980 counts = get_counts(msg_stats, k);
2984 if (!add_msg_stats_to_yaml_blk(msg_statistics,
2989 yhstats = cYAML_create_object(peer_ni, "health stats");
2992 if (cYAML_create_number(yhstats, "health value",
2993 hstats->hlpni_health_value)
2996 if (cYAML_create_number(yhstats, "dropped",
2997 hstats->hlpni_remote_dropped)
3000 if (cYAML_create_number(yhstats, "timeout",
3001 hstats->hlpni_remote_timeout)
3004 if (cYAML_create_number(yhstats, "error",
3005 hstats->hlpni_remote_error)
3008 if (cYAML_create_number(yhstats, "network timeout",
3009 hstats->hlpni_network_timeout)
3015 /* print output iff show_rc is not provided */
3016 if (show_rc == NULL)
3017 cYAML_print_tree(root);
3019 snprintf(err_str, sizeof(err_str), "\"success\"");
3020 rc = LUSTRE_CFG_RC_NO_ERR;
3025 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
3026 cYAML_free_tree(root);
3027 } else if (show_rc != NULL && *show_rc != NULL) {
3028 struct cYAML *show_node;
3029 /* find the peer node, if one doesn't exist then
3030 * insert one. Otherwise add to the one there
3032 show_node = cYAML_get_object_item(*show_rc,
3034 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3035 cYAML_insert_child(show_node, first_seq);
3038 } else if (show_node == NULL) {
3039 cYAML_insert_sibling((*show_rc)->cy_child,
3043 cYAML_free_tree(root);
3049 cYAML_build_error(rc, seq_no, SHOW_CMD, "peer", err_str,
3055 int lustre_lnet_list_peer(int seq_no,
3056 struct cYAML **show_rc, struct cYAML **err_rc)
3058 struct lnet_ioctl_peer_cfg peer_info;
3059 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3064 struct cYAML *root = NULL, *list_root = NULL, *first_seq = NULL;
3065 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3066 struct lnet_process_id *list = NULL;
3068 memset(&peer_info, 0, sizeof(peer_info));
3070 /* create struct cYAML root object */
3071 root = cYAML_create_object(NULL, NULL);
3075 list_root = cYAML_create_seq(root, "peer list");
3076 if (list_root == NULL)
3080 size = count * sizeof(struct lnet_process_id);
3081 list = malloc(size);
3087 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
3088 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
3089 peer_info.prcfg_size = size;
3090 peer_info.prcfg_bulk = list;
3093 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST, &peer_info);
3094 count = peer_info.prcfg_count;
3098 if (l_errno != E2BIG) {
3101 "\"cannot get peer list: %s\"",
3107 size = peer_info.prcfg_size;
3108 list = malloc(size);
3115 /* count is now the actual number of ids in the list. */
3116 for (i = 0; i < count; i++) {
3117 if (cYAML_create_string(list_root, "nid",
3118 libcfs_nid2str(list[i].nid))
3123 /* print output iff show_rc is not provided */
3124 if (show_rc == NULL)
3125 cYAML_print_tree(root);
3127 snprintf(err_str, sizeof(err_str), "\"success\"");
3128 rc = LUSTRE_CFG_RC_NO_ERR;
3133 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3134 cYAML_free_tree(root);
3135 } else if (show_rc != NULL && *show_rc != NULL) {
3136 struct cYAML *show_node;
3137 /* find the peer node, if one doesn't exist then
3138 * insert one. Otherwise add to the one there
3140 show_node = cYAML_get_object_item(*show_rc,
3142 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3143 cYAML_insert_child(show_node, first_seq);
3146 } else if (show_node == NULL) {
3147 cYAML_insert_sibling((*show_rc)->cy_child,
3151 cYAML_free_tree(root);
3157 cYAML_build_error(rc, seq_no, SHOW_CMD, "peer", err_str,
3163 static void add_to_global(struct cYAML *show_rc, struct cYAML *node,
3166 struct cYAML *show_node;
3168 show_node = cYAML_get_object_item(show_rc, "global");
3169 if (show_node != NULL)
3170 cYAML_insert_sibling(show_node->cy_child,
3173 cYAML_insert_sibling(show_rc->cy_child,
3178 static int build_global_yaml_entry(char *err_str, int err_len, int seq_no,
3179 char *name, __u64 value,
3180 struct cYAML **show_rc,
3181 struct cYAML **err_rc, int err)
3183 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3184 struct cYAML *root = NULL, *global = NULL;
3191 root = cYAML_create_object(NULL, NULL);
3195 global = cYAML_create_object(root, "global");
3199 if (cYAML_create_number(global, name,
3203 if (show_rc == NULL)
3204 cYAML_print_tree(root);
3206 snprintf(err_str, err_len, "\"success\"");
3208 rc = LUSTRE_CFG_RC_NO_ERR;
3211 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3212 cYAML_free_tree(root);
3213 } else if (show_rc != NULL && *show_rc != NULL) {
3214 add_to_global(*show_rc, global, root);
3219 cYAML_build_error(rc, seq_no, SHOW_CMD, "global", err_str, err_rc);
3224 static int ioctl_show_global_values(int ioc, int seq_no, char *name,
3225 struct cYAML **show_rc,
3226 struct cYAML **err_rc)
3228 struct lnet_ioctl_set_value data;
3231 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3233 LIBCFS_IOC_INIT_V2(data, sv_hdr);
3235 rc = l_ioctl(LNET_DEV_ID, ioc, &data);
3240 "\"cannot get %s: %s\"",
3241 name, strerror(l_errno));
3244 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no, name,
3245 data.sv_value, show_rc, err_rc, l_errno);
3248 int lustre_lnet_show_recov_intrv(int seq_no, struct cYAML **show_rc,
3249 struct cYAML **err_rc)
3251 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3252 char val[LNET_MAX_STR_LEN];
3253 int intrv = -1, l_errno = 0;
3254 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3256 rc = read_sysfs_file(modparam_path, "lnet_recovery_interval", val,
3260 snprintf(err_str, sizeof(err_str),
3261 "\"cannot get recovery interval: %d\"", rc);
3266 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3267 "recovery_interval", intrv, show_rc,
3271 int lustre_lnet_show_hsensitivity(int seq_no, struct cYAML **show_rc,
3272 struct cYAML **err_rc)
3274 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3275 char val[LNET_MAX_STR_LEN];
3276 int sen = -1, l_errno = 0;
3277 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3279 rc = read_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
3283 snprintf(err_str, sizeof(err_str),
3284 "\"cannot get health sensitivity: %d\"", rc);
3289 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3290 "health_sensitivity", sen, show_rc,
3294 int lustre_lnet_show_rtr_sensitivity(int seq_no, struct cYAML **show_rc,
3295 struct cYAML **err_rc)
3297 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3298 char val[LNET_MAX_STR_LEN];
3299 int sen = -1, l_errno = 0;
3300 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3302 rc = read_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
3306 snprintf(err_str, sizeof(err_str),
3307 "\"cannot get router sensitivity percentage: %d\"", rc);
3312 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3313 "router_sensitivity", sen, show_rc,
3317 int lustre_lnet_show_lnd_timeout(int seq_no, struct cYAML **show_rc,
3318 struct cYAML **err_rc)
3320 char val[LNET_MAX_STR_LEN];
3321 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3328 rc = cfs_get_param_paths(&path, "lnet_lnd_timeout");
3331 snprintf(err_str, sizeof(err_str),
3332 "\"cannot get LND timeout: %d\"", rc);
3333 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3334 "lnd_timeout", lnd_to, show_rc,
3338 fd = open(path.gl_pathv[0], O_RDONLY);
3341 snprintf(err_str, sizeof(err_str),
3342 "\"error opening %s\"", path.gl_pathv[0]);
3346 rc = read(fd, val, sizeof(val));
3353 snprintf(err_str, sizeof(err_str),
3354 "\"error reading %s\"", path.gl_pathv[0]);
3361 cfs_free_param_data(&path);
3363 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3364 "lnd_timeout", lnd_to, show_rc,
3368 int lustre_lnet_show_transaction_to(int seq_no, struct cYAML **show_rc,
3369 struct cYAML **err_rc)
3371 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3372 char val[LNET_MAX_STR_LEN];
3373 int tto = -1, l_errno = 0;
3374 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3376 rc = read_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
3380 snprintf(err_str, sizeof(err_str),
3381 "\"cannot get transaction timeout: %d\"", rc);
3386 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3387 "transaction_timeout", tto, show_rc,
3391 int lustre_lnet_show_retry_count(int seq_no, struct cYAML **show_rc,
3392 struct cYAML **err_rc)
3394 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3395 char val[LNET_MAX_STR_LEN];
3396 int retry_count = -1, l_errno = 0;
3397 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3399 rc = read_sysfs_file(modparam_path, "lnet_retry_count", val,
3403 snprintf(err_str, sizeof(err_str),
3404 "\"cannot get retry count: %d\"", rc);
3406 retry_count = atoi(val);
3409 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3410 "retry_count", retry_count, show_rc,
3414 int lustre_lnet_calc_service_id(__u64 *service_id)
3416 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3417 char val[LNET_MAX_STR_LEN];
3418 int service_port = -1, l_errno = 0;
3420 rc = read_sysfs_file(o2ib_modparam_path, "service", val,
3424 fprintf(stderr, "error:\n msg: \"cannot get service port: %s (%d)\"\n",
3425 strerror(l_errno), -l_errno);
3428 service_port = atoi(val);
3431 *service_id = htobe64(((__u64)RDMA_PS_TCP << 16) + service_port);
3433 return LUSTRE_CFG_RC_NO_ERR;
3436 int show_recovery_queue(enum lnet_health_type type, char *name, int seq_no,
3437 struct cYAML **show_rc, struct cYAML **err_rc)
3439 struct lnet_ioctl_recovery_list nid_list;
3440 struct cYAML *root = NULL, *nids = NULL;
3442 char err_str[LNET_MAX_STR_LEN] = "failed to print recovery queue\n";
3444 LIBCFS_IOC_INIT_V2(nid_list, rlst_hdr);
3445 nid_list.rlst_type = type;
3447 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_RECOVERY_QUEUE, &nid_list);
3453 if (nid_list.rlst_num_nids == 0)
3456 root = cYAML_create_object(NULL, NULL);
3460 nids = cYAML_create_object(root, name);
3466 for (i = 0; i < nid_list.rlst_num_nids; i++) {
3467 char nidenum[LNET_MAX_STR_LEN];
3468 snprintf(nidenum, sizeof(nidenum), "nid-%d", i);
3469 if (!cYAML_create_string(nids, nidenum,
3470 libcfs_nid2str(nid_list.rlst_nid_array[i])))
3474 snprintf(err_str, sizeof(err_str), "success\n");
3479 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3480 cYAML_free_tree(root);
3481 } else if (show_rc != NULL && *show_rc != NULL) {
3482 struct cYAML *show_node;
3483 /* find the net node, if one doesn't exist
3484 * then insert one. Otherwise add to the one there
3486 show_node = cYAML_get_object_item(*show_rc, name);
3487 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3488 cYAML_insert_child(show_node, nids);
3491 } else if (show_node == NULL) {
3492 cYAML_insert_sibling((*show_rc)->cy_child,
3496 cYAML_free_tree(root);
3502 cYAML_build_error(rc, seq_no, SHOW_CMD, name, err_str, err_rc);
3507 int lustre_lnet_show_local_ni_recovq(int seq_no, struct cYAML **show_rc,
3508 struct cYAML **err_rc)
3510 return show_recovery_queue(LNET_HEALTH_TYPE_LOCAL_NI, "local NI recovery",
3511 seq_no, show_rc, err_rc);
3514 int lustre_lnet_show_peer_ni_recovq(int seq_no, struct cYAML **show_rc,
3515 struct cYAML **err_rc)
3517 return show_recovery_queue(LNET_HEALTH_TYPE_PEER_NI, "peer NI recovery",
3518 seq_no, show_rc, err_rc);
3521 int lustre_lnet_show_response_tracking(int seq_no, struct cYAML **show_rc,
3522 struct cYAML **err_rc)
3524 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3525 char val[LNET_MAX_STR_LEN];
3526 int rsp_tracking = -1, l_errno = 0;
3527 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3529 rc = read_sysfs_file(modparam_path, "lnet_response_tracking", val,
3533 snprintf(err_str, sizeof(err_str),
3534 "\"cannot get lnet_response_tracking value: %d\"", rc);
3536 rsp_tracking = atoi(val);
3539 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3540 "response_tracking", rsp_tracking,
3541 show_rc, err_rc, l_errno);
3544 int lustre_lnet_show_recovery_limit(int seq_no, struct cYAML **show_rc,
3545 struct cYAML **err_rc)
3547 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3548 char val[LNET_MAX_STR_LEN];
3549 int recov_limit = -1, l_errno = 0;
3550 char err_str[LNET_MAX_STR_LEN];
3552 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3554 rc = read_sysfs_file(modparam_path, "lnet_recovery_limit", val,
3558 snprintf(err_str, sizeof(err_str),
3559 "\"cannot get lnet_recovery_limit value: %d\"", rc);
3561 recov_limit = atoi(val);
3564 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3565 "recovery_limit", recov_limit,
3566 show_rc, err_rc, l_errno);
3569 int lustre_lnet_show_max_intf(int seq_no, struct cYAML **show_rc,
3570 struct cYAML **err_rc)
3572 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3573 char val[LNET_MAX_STR_LEN];
3574 int max_intf = -1, l_errno = 0;
3575 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3577 rc = read_sysfs_file(modparam_path, "lnet_interfaces_max", val,
3581 snprintf(err_str, sizeof(err_str),
3582 "\"cannot get max interfaces: %d\"", rc);
3584 max_intf = atoi(val);
3587 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3588 "max_intf", max_intf, show_rc,
3592 int lustre_lnet_show_discovery(int seq_no, struct cYAML **show_rc,
3593 struct cYAML **err_rc)
3595 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3596 char val[LNET_MAX_STR_LEN];
3597 int discovery = -1, l_errno = 0;
3598 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3600 rc = read_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
3604 snprintf(err_str, sizeof(err_str),
3605 "\"cannot get discovery setting: %d\"", rc);
3608 * The kernel stores a discovery disabled value. User space
3609 * shows whether discovery is enabled. So the value must be
3612 discovery = !atoi(val);
3615 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3616 "discovery", discovery, show_rc,
3620 int lustre_lnet_show_drop_asym_route(int seq_no, struct cYAML **show_rc,
3621 struct cYAML **err_rc)
3623 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3624 char val[LNET_MAX_STR_LEN];
3625 int drop_asym_route = -1, l_errno = 0;
3626 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3628 rc = read_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
3632 snprintf(err_str, sizeof(err_str),
3633 "\"cannot get drop asym route setting: %d\"", rc);
3635 drop_asym_route = atoi(val);
3638 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3639 "drop_asym_route", drop_asym_route,
3640 show_rc, err_rc, l_errno);
3643 int lustre_lnet_show_numa_range(int seq_no, struct cYAML **show_rc,
3644 struct cYAML **err_rc)
3646 return ioctl_show_global_values(IOC_LIBCFS_GET_NUMA_RANGE, seq_no,
3647 "numa_range", show_rc, err_rc);
3650 int lustre_lnet_show_stats(int seq_no, struct cYAML **show_rc,
3651 struct cYAML **err_rc)
3653 struct lnet_ioctl_lnet_stats data;
3654 struct lnet_counters *cntrs;
3657 char err_str[LNET_MAX_STR_LEN] = "\"out of memory\"";
3658 struct cYAML *root = NULL, *stats = NULL;
3660 LIBCFS_IOC_INIT_V2(data, st_hdr);
3662 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LNET_STATS, &data);
3667 "\"cannot get lnet statistics: %s\"",
3673 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3675 cntrs = &data.st_cntrs;
3677 root = cYAML_create_object(NULL, NULL);
3681 stats = cYAML_create_object(root, "statistics");
3685 if (!cYAML_create_number(stats, "msgs_alloc",
3686 cntrs->lct_common.lcc_msgs_alloc))
3689 if (!cYAML_create_number(stats, "msgs_max",
3690 cntrs->lct_common.lcc_msgs_max))
3693 if (!cYAML_create_number(stats, "rst_alloc",
3694 cntrs->lct_health.lch_rst_alloc))
3697 if (!cYAML_create_number(stats, "errors",
3698 cntrs->lct_common.lcc_errors))
3701 if (!cYAML_create_number(stats, "send_count",
3702 cntrs->lct_common.lcc_send_count))
3705 if (!cYAML_create_number(stats, "resend_count",
3706 cntrs->lct_health.lch_resend_count))
3709 if (!cYAML_create_number(stats, "response_timeout_count",
3710 cntrs->lct_health.lch_response_timeout_count))
3713 if (!cYAML_create_number(stats, "local_interrupt_count",
3714 cntrs->lct_health.lch_local_interrupt_count))
3717 if (!cYAML_create_number(stats, "local_dropped_count",
3718 cntrs->lct_health.lch_local_dropped_count))
3721 if (!cYAML_create_number(stats, "local_aborted_count",
3722 cntrs->lct_health.lch_local_aborted_count))
3725 if (!cYAML_create_number(stats, "local_no_route_count",
3726 cntrs->lct_health.lch_local_no_route_count))
3729 if (!cYAML_create_number(stats, "local_timeout_count",
3730 cntrs->lct_health.lch_local_timeout_count))
3733 if (!cYAML_create_number(stats, "local_error_count",
3734 cntrs->lct_health.lch_local_error_count))
3737 if (!cYAML_create_number(stats, "remote_dropped_count",
3738 cntrs->lct_health.lch_remote_dropped_count))
3741 if (!cYAML_create_number(stats, "remote_error_count",
3742 cntrs->lct_health.lch_remote_error_count))
3745 if (!cYAML_create_number(stats, "remote_timeout_count",
3746 cntrs->lct_health.lch_remote_timeout_count))
3749 if (!cYAML_create_number(stats, "network_timeout_count",
3750 cntrs->lct_health.lch_network_timeout_count))
3753 if (!cYAML_create_number(stats, "recv_count",
3754 cntrs->lct_common.lcc_recv_count))
3757 if (!cYAML_create_number(stats, "route_count",
3758 cntrs->lct_common.lcc_route_count))
3761 if (!cYAML_create_number(stats, "drop_count",
3762 cntrs->lct_common.lcc_drop_count))
3765 if (!cYAML_create_number(stats, "send_length",
3766 cntrs->lct_common.lcc_send_length))
3769 if (!cYAML_create_number(stats, "recv_length",
3770 cntrs->lct_common.lcc_recv_length))
3773 if (!cYAML_create_number(stats, "route_length",
3774 cntrs->lct_common.lcc_route_length))
3777 if (!cYAML_create_number(stats, "drop_length",
3778 cntrs->lct_common.lcc_drop_length))
3782 cYAML_print_tree(root);
3784 snprintf(err_str, sizeof(err_str), "\"success\"");
3785 rc = LUSTRE_CFG_RC_NO_ERR;
3787 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3788 cYAML_free_tree(root);
3789 } else if (show_rc != NULL && *show_rc != NULL) {
3790 cYAML_insert_sibling((*show_rc)->cy_child,
3797 cYAML_build_error(rc, seq_no, SHOW_CMD, "statistics", err_str, err_rc);
3802 typedef int (*cmd_handler_t)(struct cYAML *tree,
3803 struct cYAML **show_rc,
3804 struct cYAML **err_rc);
3806 static int handle_yaml_config_route(struct cYAML *tree, struct cYAML **show_rc,
3807 struct cYAML **err_rc)
3809 struct cYAML *net, *gw, *hop, *prio, *sen, *seq_no;
3811 net = cYAML_get_object_item(tree, "net");
3812 gw = cYAML_get_object_item(tree, "gateway");
3813 hop = cYAML_get_object_item(tree, "hop");
3814 prio = cYAML_get_object_item(tree, "priority");
3815 sen = cYAML_get_object_item(tree, "health_sensitivity");
3816 seq_no = cYAML_get_object_item(tree, "seq_no");
3818 return lustre_lnet_config_route((net) ? net->cy_valuestring : NULL,
3819 (gw) ? gw->cy_valuestring : NULL,
3820 (hop) ? hop->cy_valueint : -1,
3821 (prio) ? prio->cy_valueint : -1,
3822 (sen) ? sen->cy_valueint : -1,
3823 (seq_no) ? seq_no->cy_valueint : -1,
3829 * 0: <intf_name>['['<expr>']']
3830 * 1: <intf_name>['['<expr>']']
3832 static int yaml_copy_intf_info(struct cYAML *intf_tree,
3833 struct lnet_dlc_network_descr *nw_descr)
3835 struct cYAML *child = NULL;
3836 int intf_num = 0, rc = LUSTRE_CFG_RC_NO_ERR;
3837 struct lnet_dlc_intf_descr *intf_descr, *tmp;
3839 if (intf_tree == NULL || nw_descr == NULL)
3840 return LUSTRE_CFG_RC_BAD_PARAM;
3842 /* now grab all the interfaces and their cpts */
3843 child = intf_tree->cy_child;
3844 while (child != NULL) {
3845 if (child->cy_valuestring == NULL) {
3846 child = child->cy_next;
3850 if (strlen(child->cy_valuestring) >= LNET_MAX_STR_LEN)
3853 rc = lustre_lnet_add_intf_descr(&nw_descr->nw_intflist,
3854 child->cy_valuestring,
3855 strlen(child->cy_valuestring));
3856 if (rc != LUSTRE_CFG_RC_NO_ERR)
3860 child = child->cy_next;
3864 return LUSTRE_CFG_RC_MISSING_PARAM;
3869 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
3871 list_del(&intf_descr->intf_on_network);
3872 free_intf_descr(intf_descr);
3879 yaml_extract_cmn_tunables(struct cYAML *tree,
3880 struct lnet_ioctl_config_lnd_cmn_tunables *tunables,
3881 struct cfs_expr_list **global_cpts)
3883 struct cYAML *tun, *item, *smp;
3886 tun = cYAML_get_object_item(tree, "tunables");
3888 item = cYAML_get_object_item(tun, "peer_timeout");
3890 tunables->lct_peer_timeout = item->cy_valueint;
3891 item = cYAML_get_object_item(tun, "peer_credits");
3893 tunables->lct_peer_tx_credits = item->cy_valueint;
3894 item = cYAML_get_object_item(tun, "peer_buffer_credits");
3896 tunables->lct_peer_rtr_credits = item->cy_valueint;
3897 item = cYAML_get_object_item(tun, "credits");
3899 tunables->lct_max_tx_credits = item->cy_valueint;
3900 smp = cYAML_get_object_item(tun, "CPT");
3902 rc = cfs_expr_list_parse(smp->cy_valuestring,
3903 strlen(smp->cy_valuestring),
3904 0, UINT_MAX, global_cpts);
3906 *global_cpts = NULL;
3916 yaml_extract_tunables(struct cYAML *tree,
3917 struct lnet_ioctl_config_lnd_tunables *tunables,
3918 struct cfs_expr_list **global_cpts,
3923 rc = yaml_extract_cmn_tunables(tree, &tunables->lt_cmn,
3929 lustre_yaml_extract_lnd_tunables(tree, net_type,
3937 * - net type: <net>[<NUM>]
3939 * - nid: <ip>@<net>[<NUM>]
3942 * 0: <intf_name>['['<expr>']']
3943 * 1: <intf_name>['['<expr>']']
3945 * peer_timeout: <NUM>
3946 * peer_credits: <NUM>
3947 * peer_buffer_credits: <NUM>
3950 * peercredits_hiw: <NUM>
3951 * map_on_demand: <NUM>
3952 * concurrent_sends: <NUM>
3953 * fmr_pool_size: <NUM>
3954 * fmr_flush_trigger: <NUM>
3957 * At least one interface is required. If no interfaces are provided the
3958 * network interface can not be configured.
3960 static int handle_yaml_config_ni(struct cYAML *tree, struct cYAML **show_rc,
3961 struct cYAML **err_rc)
3963 struct cYAML *net, *intf, *seq_no, *ip2net = NULL, *local_nis = NULL,
3965 int num_entries = 0, rc;
3966 struct lnet_dlc_network_descr nw_descr;
3967 struct cfs_expr_list *global_cpts = NULL;
3968 struct lnet_ioctl_config_lnd_tunables tunables;
3971 memset(&tunables, 0, sizeof(tunables));
3973 INIT_LIST_HEAD(&nw_descr.network_on_rule);
3974 INIT_LIST_HEAD(&nw_descr.nw_intflist);
3976 ip2net = cYAML_get_object_item(tree, "ip2net");
3977 net = cYAML_get_object_item(tree, "net type");
3979 nw_descr.nw_id = libcfs_str2net(net->cy_valuestring);
3981 nw_descr.nw_id = LOLND;
3984 * if neither net nor ip2nets are present, then we can not
3985 * configure the network.
3987 if (!net && !ip2net)
3988 return LUSTRE_CFG_RC_MISSING_PARAM;
3990 local_nis = cYAML_get_object_item(tree, "local NI(s)");
3991 if (local_nis == NULL)
3992 return LUSTRE_CFG_RC_MISSING_PARAM;
3994 if (!cYAML_is_sequence(local_nis))
3995 return LUSTRE_CFG_RC_BAD_PARAM;
3997 while (cYAML_get_next_seq_item(local_nis, &item) != NULL) {
3998 intf = cYAML_get_object_item(item, "interfaces");
4001 num_entries = yaml_copy_intf_info(intf, &nw_descr);
4002 if (num_entries <= 0) {
4003 cYAML_build_error(num_entries, -1, "ni", "add",
4004 "bad interface list",
4006 return LUSTRE_CFG_RC_BAD_PARAM;
4010 found = yaml_extract_tunables(tree, &tunables, &global_cpts,
4011 LNET_NETTYP(nw_descr.nw_id));
4012 seq_no = cYAML_get_object_item(tree, "seq_no");
4014 rc = lustre_lnet_config_ni(&nw_descr,
4016 (ip2net) ? ip2net->cy_valuestring : NULL,
4017 (found) ? &tunables: NULL,
4018 (seq_no) ? seq_no->cy_valueint : -1,
4021 if (global_cpts != NULL)
4022 cfs_expr_list_free(global_cpts);
4029 * - net-spec: <tcp|o2ib|gni>[NUM]
4031 * 0: <intf name>['['<expr>']']
4032 * 1: <intf name>['['<expr>']']
4034 * 0: <expr.expr.expr.expr>
4035 * 1: <expr.expr.expr.expr>
4037 static int handle_yaml_config_ip2nets(struct cYAML *tree,
4038 struct cYAML **show_rc,
4039 struct cYAML **err_rc)
4041 struct cYAML *net, *ip_range, *item = NULL, *intf = NULL,
4043 struct lustre_lnet_ip2nets ip2nets;
4044 struct lustre_lnet_ip_range_descr *ip_range_descr = NULL,
4046 int rc = LUSTRE_CFG_RC_NO_ERR;
4047 struct cfs_expr_list *global_cpts = NULL;
4048 struct cfs_expr_list *el, *el_tmp;
4049 struct lnet_ioctl_config_lnd_tunables tunables;
4050 struct lnet_dlc_intf_descr *intf_descr, *intf_tmp;
4053 memset(&tunables, 0, sizeof(tunables));
4055 /* initialize all lists */
4056 INIT_LIST_HEAD(&ip2nets.ip2nets_ip_ranges);
4057 INIT_LIST_HEAD(&ip2nets.ip2nets_net.network_on_rule);
4058 INIT_LIST_HEAD(&ip2nets.ip2nets_net.nw_intflist);
4060 net = cYAML_get_object_item(tree, "net-spec");
4062 return LUSTRE_CFG_RC_BAD_PARAM;
4064 if (net != NULL && net->cy_valuestring == NULL)
4065 return LUSTRE_CFG_RC_BAD_PARAM;
4067 /* assign the network id */
4068 ip2nets.ip2nets_net.nw_id = libcfs_str2net(net->cy_valuestring);
4069 if (ip2nets.ip2nets_net.nw_id == LNET_NID_ANY)
4070 return LUSTRE_CFG_RC_BAD_PARAM;
4072 seq_no = cYAML_get_object_item(tree, "seq_no");
4074 intf = cYAML_get_object_item(tree, "interfaces");
4076 rc = yaml_copy_intf_info(intf, &ip2nets.ip2nets_net);
4078 return LUSTRE_CFG_RC_BAD_PARAM;
4081 ip_range = cYAML_get_object_item(tree, "ip-range");
4082 if (ip_range != NULL) {
4083 item = ip_range->cy_child;
4084 while (item != NULL) {
4085 if (item->cy_valuestring == NULL) {
4086 item = item->cy_next;
4090 rc = lustre_lnet_add_ip_range(&ip2nets.ip2nets_ip_ranges,
4091 item->cy_valuestring);
4093 if (rc != LUSTRE_CFG_RC_NO_ERR)
4096 item = item->cy_next;
4100 found = yaml_extract_tunables(tree, &tunables, &global_cpts,
4101 LNET_NETTYP(ip2nets.ip2nets_net.nw_id));
4103 rc = lustre_lnet_config_ip2nets(&ip2nets,
4104 (found) ? &tunables : NULL,
4106 (seq_no) ? seq_no->cy_valueint : -1,
4110 * don't stop because there was no match. Continue processing the
4111 * rest of the rules. If non-match then nothing is configured
4113 if (rc == LUSTRE_CFG_RC_NO_MATCH)
4114 rc = LUSTRE_CFG_RC_NO_ERR;
4116 list_for_each_entry_safe(intf_descr, intf_tmp,
4117 &ip2nets.ip2nets_net.nw_intflist,
4119 list_del(&intf_descr->intf_on_network);
4120 free_intf_descr(intf_descr);
4123 list_for_each_entry_safe(ip_range_descr, tmp,
4124 &ip2nets.ip2nets_ip_ranges,
4126 list_del(&ip_range_descr->ipr_entry);
4127 list_for_each_entry_safe(el, el_tmp, &ip_range_descr->ipr_expr,
4129 list_del(&el->el_link);
4130 cfs_expr_list_free(el);
4132 free(ip_range_descr);
4138 static int handle_yaml_del_ni(struct cYAML *tree, struct cYAML **show_rc,
4139 struct cYAML **err_rc)
4141 struct cYAML *net = NULL, *intf = NULL, *seq_no = NULL, *item = NULL,
4143 int num_entries, rc;
4144 struct lnet_dlc_network_descr nw_descr;
4146 INIT_LIST_HEAD(&nw_descr.network_on_rule);
4147 INIT_LIST_HEAD(&nw_descr.nw_intflist);
4149 net = cYAML_get_object_item(tree, "net type");
4151 nw_descr.nw_id = libcfs_str2net(net->cy_valuestring);
4153 local_nis = cYAML_get_object_item(tree, "local NI(s)");
4154 if (local_nis == NULL)
4155 return LUSTRE_CFG_RC_MISSING_PARAM;
4157 if (!cYAML_is_sequence(local_nis))
4158 return LUSTRE_CFG_RC_BAD_PARAM;
4160 while (cYAML_get_next_seq_item(local_nis, &item) != NULL) {
4161 intf = cYAML_get_object_item(item, "interfaces");
4164 num_entries = yaml_copy_intf_info(intf, &nw_descr);
4165 if (num_entries <= 0) {
4166 cYAML_build_error(num_entries, -1, "ni", "add",
4167 "bad interface list",
4169 return LUSTRE_CFG_RC_BAD_PARAM;
4173 seq_no = cYAML_get_object_item(tree, "seq_no");
4175 rc = lustre_lnet_del_ni((net) ? &nw_descr : NULL,
4176 (seq_no) ? seq_no->cy_valueint : -1,
4182 /* Create a nidstring parseable by the nidstrings library from the nid
4183 * information encoded in the CYAML structure.
4184 * NOTE: Caller must free memory allocated to nidstr
4186 static int yaml_nids2nidstr(struct cYAML *nids_entry, char **nidstr,
4187 char *prim_nid, int cmd)
4189 int num_strs = 0, rc;
4190 size_t buf_size, buf_pos, nidstr_len = 0;
4192 struct cYAML *child = NULL, *entry = NULL;
4194 if (cYAML_is_sequence(nids_entry)) {
4195 while (cYAML_get_next_seq_item(nids_entry, &child)) {
4196 entry = cYAML_get_object_item(child, "nid");
4197 /* don't count an empty entry */
4198 if (!entry || !entry->cy_valuestring)
4202 (strcmp(entry->cy_valuestring, prim_nid) == 0)) {
4203 if (cmd == LNETCTL_DEL_CMD) {
4205 * primary nid is present in the list of
4206 * nids so that means we want to delete
4207 * the entire peer, so no need to go
4208 * further. Just delete the entire peer.
4210 return LUSTRE_CFG_RC_NO_ERR;
4217 * + 1 for the space separating each string, and
4218 * accounts for the terminating null char
4220 nidstr_len += strlen(entry->cy_valuestring) + 1;
4225 if (num_strs == 0 && !prim_nid)
4226 return LUSTRE_CFG_RC_MISSING_PARAM;
4227 else if (num_strs == 0) /* Only the primary nid was given to add/del */
4228 return LUSTRE_CFG_RC_NO_ERR;
4230 buffer = malloc(nidstr_len);
4232 return LUSTRE_CFG_RC_OUT_OF_MEM;
4234 /* now grab all the nids */
4237 buf_size = nidstr_len;
4239 while (cYAML_get_next_seq_item(nids_entry, &child)) {
4240 entry = cYAML_get_object_item(child, "nid");
4241 if (!entry || !entry->cy_valuestring)
4245 (strcmp(entry->cy_valuestring, prim_nid) == 0))
4249 rc = snprintf(buffer + buf_pos, buf_size, " ");
4250 buf_pos += (rc < buf_size) ? rc : buf_size;
4251 buf_size = nidstr_len - buf_pos;
4254 rc = snprintf(buffer + buf_pos, buf_size, "%s",
4255 entry->cy_valuestring);
4256 buf_pos += (rc < buf_size) ? rc : buf_size;
4257 buf_size = nidstr_len - buf_pos;
4262 return LUSTRE_CFG_RC_NO_ERR;
4265 static int handle_yaml_peer_common(struct cYAML *tree, struct cYAML **show_rc,
4266 struct cYAML **err_rc, int cmd)
4268 int rc, num_nids = 0, seqn;
4269 bool mr_value = false;
4270 char *nidstr = NULL, *prim_nidstr;
4271 char err_str[LNET_MAX_STR_LEN];
4272 struct cYAML *seq_no, *prim_nid, *mr, *peer_nis;
4273 lnet_nid_t lnet_nidlist[LNET_MAX_NIDS_PER_PEER];
4274 lnet_nid_t pnid = LNET_NID_ANY;
4276 seq_no = cYAML_get_object_item(tree, "seq_no");
4277 seqn = seq_no ? seq_no->cy_valueint : -1;
4279 prim_nid = cYAML_get_object_item(tree, "primary nid");
4280 peer_nis = cYAML_get_object_item(tree, "peer ni");
4282 rc = LUSTRE_CFG_RC_BAD_PARAM;
4283 snprintf(err_str, LNET_MAX_STR_LEN,
4284 "\"primary nid\" must be specified");
4288 prim_nidstr = prim_nid->cy_valuestring;
4290 /* if the provided primary NID is bad, no need to go any further */
4291 pnid = libcfs_str2nid(prim_nidstr);
4292 if (pnid == LNET_NID_ANY) {
4293 rc = LUSTRE_CFG_RC_BAD_PARAM;
4294 snprintf(err_str, LNET_MAX_STR_LEN,
4295 "badly formatted primary NID: %s", prim_nidstr);
4299 rc = yaml_nids2nidstr(peer_nis, &nidstr, prim_nidstr, cmd);
4300 if (rc == LUSTRE_CFG_RC_MISSING_PARAM) {
4301 snprintf(err_str, LNET_MAX_STR_LEN,
4302 "No nids defined in YAML block");
4304 } else if (rc == LUSTRE_CFG_RC_OUT_OF_MEM) {
4305 snprintf(err_str, LNET_MAX_STR_LEN, "out of memory");
4307 } else if (rc != LUSTRE_CFG_RC_NO_ERR) {
4308 snprintf(err_str, LNET_MAX_STR_LEN,
4309 "Unrecognized error %d", rc);
4315 num_nids = lustre_lnet_parse_nidstr(nidstr, lnet_nidlist,
4316 LNET_MAX_NIDS_PER_PEER,
4324 if (cmd == LNETCTL_ADD_CMD) {
4325 mr = cYAML_get_object_item(tree, "Multi-Rail");
4327 if (mr && mr->cy_valuestring) {
4328 if (strcmp(mr->cy_valuestring, "False") == 0)
4330 else if (strcmp(mr->cy_valuestring, "True") != 0) {
4331 rc = LUSTRE_CFG_RC_BAD_PARAM;
4332 snprintf(err_str, LNET_MAX_STR_LEN,
4333 "Multi-Rail must be set to \"True\" or \"False\" found \"%s\"",
4334 mr->cy_valuestring);
4340 rc = lustre_lnet_mod_peer_nidlist(pnid, lnet_nidlist, cmd,
4341 num_nids, mr_value, seqn,
4348 if (rc != LUSTRE_CFG_RC_NO_ERR)
4349 cYAML_build_error(rc, seqn, "peer",
4350 cmd == LNETCTL_ADD_CMD ? ADD_CMD : DEL_CMD,
4356 static int handle_yaml_config_peer(struct cYAML *tree, struct cYAML **show_rc,
4357 struct cYAML **err_rc)
4359 return handle_yaml_peer_common(tree, show_rc, err_rc, LNETCTL_ADD_CMD);
4362 static int handle_yaml_del_peer(struct cYAML *tree, struct cYAML **show_rc,
4363 struct cYAML **err_rc)
4365 return handle_yaml_peer_common(tree, show_rc, err_rc, LNETCTL_DEL_CMD);
4368 static int handle_yaml_config_buffers(struct cYAML *tree,
4369 struct cYAML **show_rc,
4370 struct cYAML **err_rc)
4373 struct cYAML *tiny, *small, *large, *seq_no;
4375 tiny = cYAML_get_object_item(tree, "tiny");
4376 small = cYAML_get_object_item(tree, "small");
4377 large = cYAML_get_object_item(tree, "large");
4378 seq_no = cYAML_get_object_item(tree, "seq_no");
4380 rc = lustre_lnet_config_buffers((tiny) ? tiny->cy_valueint : -1,
4381 (small) ? small->cy_valueint : -1,
4382 (large) ? large->cy_valueint : -1,
4383 (seq_no) ? seq_no->cy_valueint : -1,
4389 static int handle_yaml_config_routing(struct cYAML *tree,
4390 struct cYAML **show_rc,
4391 struct cYAML **err_rc)
4393 int rc = LUSTRE_CFG_RC_NO_ERR;
4394 struct cYAML *seq_no, *enable;
4396 seq_no = cYAML_get_object_item(tree, "seq_no");
4397 enable = cYAML_get_object_item(tree, "enable");
4400 rc = lustre_lnet_enable_routing(enable->cy_valueint,
4402 seq_no->cy_valueint : -1,
4409 static int handle_yaml_del_route(struct cYAML *tree, struct cYAML **show_rc,
4410 struct cYAML **err_rc)
4414 struct cYAML *seq_no;
4416 net = cYAML_get_object_item(tree, "net");
4417 gw = cYAML_get_object_item(tree, "gateway");
4418 seq_no = cYAML_get_object_item(tree, "seq_no");
4420 return lustre_lnet_del_route((net) ? net->cy_valuestring : NULL,
4421 (gw) ? gw->cy_valuestring : NULL,
4422 (seq_no) ? seq_no->cy_valueint : -1,
4426 static int handle_yaml_del_routing(struct cYAML *tree, struct cYAML **show_rc,
4427 struct cYAML **err_rc)
4429 struct cYAML *seq_no;
4431 seq_no = cYAML_get_object_item(tree, "seq_no");
4433 return lustre_lnet_enable_routing(0, (seq_no) ?
4434 seq_no->cy_valueint : -1,
4438 static int handle_yaml_show_route(struct cYAML *tree, struct cYAML **show_rc,
4439 struct cYAML **err_rc)
4445 struct cYAML *detail;
4446 struct cYAML *seq_no;
4448 net = cYAML_get_object_item(tree, "net");
4449 gw = cYAML_get_object_item(tree, "gateway");
4450 hop = cYAML_get_object_item(tree, "hop");
4451 prio = cYAML_get_object_item(tree, "priority");
4452 detail = cYAML_get_object_item(tree, "detail");
4453 seq_no = cYAML_get_object_item(tree, "seq_no");
4455 return lustre_lnet_show_route((net) ? net->cy_valuestring : NULL,
4456 (gw) ? gw->cy_valuestring : NULL,
4457 (hop) ? hop->cy_valueint : -1,
4458 (prio) ? prio->cy_valueint : -1,
4459 (detail) ? detail->cy_valueint : 0,
4460 (seq_no) ? seq_no->cy_valueint : -1,
4461 show_rc, err_rc, false);
4464 static int handle_yaml_show_net(struct cYAML *tree, struct cYAML **show_rc,
4465 struct cYAML **err_rc)
4467 struct cYAML *net, *detail, *seq_no;
4469 net = cYAML_get_object_item(tree, "net");
4470 detail = cYAML_get_object_item(tree, "detail");
4471 seq_no = cYAML_get_object_item(tree, "seq_no");
4473 return lustre_lnet_show_net((net) ? net->cy_valuestring : NULL,
4474 (detail) ? detail->cy_valueint : 0,
4475 (seq_no) ? seq_no->cy_valueint : -1,
4476 show_rc, err_rc, false);
4479 static int handle_yaml_show_routing(struct cYAML *tree, struct cYAML **show_rc,
4480 struct cYAML **err_rc)
4482 struct cYAML *seq_no;
4484 seq_no = cYAML_get_object_item(tree, "seq_no");
4486 return lustre_lnet_show_routing((seq_no) ? seq_no->cy_valueint : -1,
4487 show_rc, err_rc, false);
4490 static int handle_yaml_show_peers(struct cYAML *tree, struct cYAML **show_rc,
4491 struct cYAML **err_rc)
4493 struct cYAML *seq_no, *nid, *detail;
4495 seq_no = cYAML_get_object_item(tree, "seq_no");
4496 detail = cYAML_get_object_item(tree, "detail");
4497 nid = cYAML_get_object_item(tree, "nid");
4499 return lustre_lnet_show_peer((nid) ? nid->cy_valuestring : NULL,
4500 (detail) ? detail->cy_valueint : 0,
4501 (seq_no) ? seq_no->cy_valueint : -1,
4502 show_rc, err_rc, false);
4505 static int handle_yaml_show_stats(struct cYAML *tree, struct cYAML **show_rc,
4506 struct cYAML **err_rc)
4508 struct cYAML *seq_no;
4510 seq_no = cYAML_get_object_item(tree, "seq_no");
4512 return lustre_lnet_show_stats((seq_no) ? seq_no->cy_valueint : -1,
4516 static int handle_yaml_config_numa(struct cYAML *tree, struct cYAML **show_rc,
4517 struct cYAML **err_rc)
4519 struct cYAML *seq_no, *range;
4521 seq_no = cYAML_get_object_item(tree, "seq_no");
4522 range = cYAML_get_object_item(tree, "range");
4524 return lustre_lnet_config_numa_range(range ? range->cy_valueint : -1,
4525 seq_no ? seq_no->cy_valueint : -1,
4529 static int handle_yaml_del_numa(struct cYAML *tree, struct cYAML **show_rc,
4530 struct cYAML **err_rc)
4532 struct cYAML *seq_no;
4534 seq_no = cYAML_get_object_item(tree, "seq_no");
4536 return lustre_lnet_config_numa_range(0, seq_no ? seq_no->cy_valueint : -1,
4540 static int handle_yaml_show_numa(struct cYAML *tree, struct cYAML **show_rc,
4541 struct cYAML **err_rc)
4543 struct cYAML *seq_no;
4545 seq_no = cYAML_get_object_item(tree, "seq_no");
4547 return lustre_lnet_show_numa_range(seq_no ? seq_no->cy_valueint : -1,
4551 static int handle_yaml_config_global_settings(struct cYAML *tree,
4552 struct cYAML **show_rc,
4553 struct cYAML **err_rc)
4555 struct cYAML *max_intf, *numa, *discovery, *retry, *tto, *seq_no,
4556 *sen, *recov, *rsen, *drop_asym_route, *rsp_tracking,
4560 seq_no = cYAML_get_object_item(tree, "seq_no");
4561 max_intf = cYAML_get_object_item(tree, "max_intf");
4563 rc = lustre_lnet_config_max_intf(max_intf->cy_valueint,
4564 seq_no ? seq_no->cy_valueint
4568 numa = cYAML_get_object_item(tree, "numa_range");
4570 rc = lustre_lnet_config_numa_range(numa->cy_valueint,
4571 seq_no ? seq_no->cy_valueint
4575 discovery = cYAML_get_object_item(tree, "discovery");
4577 rc = lustre_lnet_config_discovery(discovery->cy_valueint,
4578 seq_no ? seq_no->cy_valueint
4582 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4583 if (drop_asym_route)
4584 rc = lustre_lnet_config_drop_asym_route(
4585 drop_asym_route->cy_valueint,
4586 seq_no ? seq_no->cy_valueint : -1,
4589 retry = cYAML_get_object_item(tree, "retry_count");
4591 rc = lustre_lnet_config_retry_count(retry->cy_valueint,
4592 seq_no ? seq_no->cy_valueint
4596 tto = cYAML_get_object_item(tree, "transaction_timeout");
4598 rc = lustre_lnet_config_transaction_to(tto->cy_valueint,
4599 seq_no ? seq_no->cy_valueint
4603 sen = cYAML_get_object_item(tree, "health_sensitivity");
4605 rc = lustre_lnet_config_hsensitivity(sen->cy_valueint,
4606 seq_no ? seq_no->cy_valueint
4610 recov = cYAML_get_object_item(tree, "recovery_interval");
4612 rc = lustre_lnet_config_recov_intrv(recov->cy_valueint,
4613 seq_no ? seq_no->cy_valueint
4617 rsen = cYAML_get_object_item(tree, "router_sensitivity");
4619 rc = lustre_lnet_config_rtr_sensitivity(rsen->cy_valueint,
4620 seq_no ? seq_no->cy_valueint
4624 rsp_tracking = cYAML_get_object_item(tree, "response_tracking");
4626 rc = lustre_lnet_config_response_tracking(rsp_tracking->cy_valueint,
4627 seq_no ? seq_no->cy_valueint
4631 recov_limit = cYAML_get_object_item(tree, "recovery_limit");
4633 rc = lustre_lnet_config_recovery_limit(recov_limit->cy_valueint,
4634 seq_no ? seq_no->cy_valueint
4641 static int handle_yaml_del_global_settings(struct cYAML *tree,
4642 struct cYAML **show_rc,
4643 struct cYAML **err_rc)
4645 struct cYAML *max_intf, *numa, *discovery, *seq_no, *drop_asym_route;
4648 seq_no = cYAML_get_object_item(tree, "seq_no");
4649 max_intf = cYAML_get_object_item(tree, "max_intf");
4651 rc = lustre_lnet_config_max_intf(LNET_INTERFACES_MAX_DEFAULT,
4652 seq_no ? seq_no->cy_valueint
4656 numa = cYAML_get_object_item(tree, "numa_range");
4658 rc = lustre_lnet_config_numa_range(0,
4659 seq_no ? seq_no->cy_valueint
4663 /* peer discovery is enabled by default */
4664 discovery = cYAML_get_object_item(tree, "discovery");
4666 rc = lustre_lnet_config_discovery(1,
4667 seq_no ? seq_no->cy_valueint
4671 /* asymmetrical route messages are accepted by default */
4672 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4673 if (drop_asym_route)
4674 rc = lustre_lnet_config_drop_asym_route(
4675 0, seq_no ? seq_no->cy_valueint : -1, err_rc);
4680 static int handle_yaml_show_global_settings(struct cYAML *tree,
4681 struct cYAML **show_rc,
4682 struct cYAML **err_rc)
4684 struct cYAML *max_intf, *numa, *discovery, *retry, *tto, *seq_no,
4685 *sen, *recov, *rsen, *drop_asym_route, *rsp_tracking,
4689 seq_no = cYAML_get_object_item(tree, "seq_no");
4690 max_intf = cYAML_get_object_item(tree, "max_intf");
4692 rc = lustre_lnet_show_max_intf(seq_no ? seq_no->cy_valueint
4696 numa = cYAML_get_object_item(tree, "numa_range");
4698 rc = lustre_lnet_show_numa_range(seq_no ? seq_no->cy_valueint
4702 discovery = cYAML_get_object_item(tree, "discovery");
4704 rc = lustre_lnet_show_discovery(seq_no ? seq_no->cy_valueint
4708 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4709 if (drop_asym_route)
4710 rc = lustre_lnet_show_drop_asym_route(
4711 seq_no ? seq_no->cy_valueint : -1,
4714 retry = cYAML_get_object_item(tree, "retry_count");
4716 rc = lustre_lnet_show_retry_count(seq_no ? seq_no->cy_valueint
4720 tto = cYAML_get_object_item(tree, "transaction_timeout");
4722 rc = lustre_lnet_show_transaction_to(seq_no ? seq_no->cy_valueint
4726 sen = cYAML_get_object_item(tree, "health_sensitivity");
4728 rc = lustre_lnet_show_hsensitivity(seq_no ? seq_no->cy_valueint
4732 recov = cYAML_get_object_item(tree, "recovery_interval");
4734 rc = lustre_lnet_show_recov_intrv(seq_no ? seq_no->cy_valueint
4738 rsen = cYAML_get_object_item(tree, "router_sensitivity");
4740 rc = lustre_lnet_show_hsensitivity(seq_no ? seq_no->cy_valueint
4744 rsp_tracking = cYAML_get_object_item(tree, "response_tracking");
4746 rc = lustre_lnet_show_response_tracking(seq_no ?
4747 seq_no->cy_valueint :
4751 recov_limit = cYAML_get_object_item(tree, "recovery_limit");
4753 rc = lustre_lnet_show_recovery_limit(seq_no ?
4754 seq_no->cy_valueint :
4761 static int handle_yaml_ping(struct cYAML *tree, struct cYAML **show_rc,
4762 struct cYAML **err_rc)
4764 struct cYAML *seq_no, *nid, *timeout;
4766 seq_no = cYAML_get_object_item(tree, "seq_no");
4767 nid = cYAML_get_object_item(tree, "primary nid");
4768 timeout = cYAML_get_object_item(tree, "timeout");
4770 return lustre_lnet_ping_nid((nid) ? nid->cy_valuestring : NULL,
4771 (timeout) ? timeout->cy_valueint : 1000,
4772 (seq_no) ? seq_no->cy_valueint : -1,
4776 static int handle_yaml_discover(struct cYAML *tree, struct cYAML **show_rc,
4777 struct cYAML **err_rc)
4779 struct cYAML *seq_no, *nid, *force;
4781 seq_no = cYAML_get_object_item(tree, "seq_no");
4782 nid = cYAML_get_object_item(tree, "primary nid");
4783 force = cYAML_get_object_item(tree, "force");
4785 return lustre_lnet_discover_nid((nid) ? nid->cy_valuestring : NULL,
4786 (force) ? force->cy_valueint : 0,
4787 (seq_no) ? seq_no->cy_valueint : -1,
4791 static int handle_yaml_no_op()
4793 return LUSTRE_CFG_RC_NO_ERR;
4796 struct lookup_cmd_hdlr_tbl {
4801 static struct lookup_cmd_hdlr_tbl lookup_config_tbl[] = {
4802 { .name = "route", .cb = handle_yaml_config_route },
4803 { .name = "net", .cb = handle_yaml_config_ni },
4804 { .name = "ip2nets", .cb = handle_yaml_config_ip2nets },
4805 { .name = "peer", .cb = handle_yaml_config_peer },
4806 { .name = "routing", .cb = handle_yaml_config_routing },
4807 { .name = "buffers", .cb = handle_yaml_config_buffers },
4808 { .name = "statistics", .cb = handle_yaml_no_op },
4809 { .name = "global", .cb = handle_yaml_config_global_settings},
4810 { .name = "numa", .cb = handle_yaml_config_numa },
4811 { .name = "ping", .cb = handle_yaml_no_op },
4812 { .name = "discover", .cb = handle_yaml_no_op },
4815 static struct lookup_cmd_hdlr_tbl lookup_del_tbl[] = {
4816 { .name = "route", .cb = handle_yaml_del_route },
4817 { .name = "net", .cb = handle_yaml_del_ni },
4818 { .name = "ip2nets", .cb = handle_yaml_no_op },
4819 { .name = "peer", .cb = handle_yaml_del_peer },
4820 { .name = "routing", .cb = handle_yaml_del_routing },
4821 { .name = "buffers", .cb = handle_yaml_no_op },
4822 { .name = "statistics", .cb = handle_yaml_no_op },
4823 { .name = "global", .cb = handle_yaml_del_global_settings},
4824 { .name = "numa", .cb = handle_yaml_del_numa },
4825 { .name = "ping", .cb = handle_yaml_no_op },
4826 { .name = "discover", .cb = handle_yaml_no_op },
4829 static struct lookup_cmd_hdlr_tbl lookup_show_tbl[] = {
4830 { .name = "route", .cb = handle_yaml_show_route },
4831 { .name = "net", .cb = handle_yaml_show_net },
4832 { .name = "peer", .cb = handle_yaml_show_peers },
4833 { .name = "ip2nets", .cb = handle_yaml_no_op },
4834 { .name = "routing", .cb = handle_yaml_show_routing },
4835 { .name = "buffers", .cb = handle_yaml_show_routing },
4836 { .name = "statistics", .cb = handle_yaml_show_stats },
4837 { .name = "global", .cb = handle_yaml_show_global_settings},
4838 { .name = "numa", .cb = handle_yaml_show_numa },
4839 { .name = "ping", .cb = handle_yaml_no_op },
4840 { .name = "discover", .cb = handle_yaml_no_op },
4843 static struct lookup_cmd_hdlr_tbl lookup_exec_tbl[] = {
4844 { .name = "route", .cb = handle_yaml_no_op },
4845 { .name = "net", .cb = handle_yaml_no_op },
4846 { .name = "peer", .cb = handle_yaml_no_op },
4847 { .name = "ip2nets", .cb = handle_yaml_no_op },
4848 { .name = "routing", .cb = handle_yaml_no_op },
4849 { .name = "buffers", .cb = handle_yaml_no_op },
4850 { .name = "statistics", .cb = handle_yaml_no_op },
4851 { .name = "global", .cb = handle_yaml_no_op },
4852 { .name = "numa", .cb = handle_yaml_no_op },
4853 { .name = "ping", .cb = handle_yaml_ping },
4854 { .name = "discover", .cb = handle_yaml_discover },
4857 static cmd_handler_t lookup_fn(char *key,
4858 struct lookup_cmd_hdlr_tbl *tbl)
4864 for (i = 0; tbl[i].name != NULL; i++) {
4865 if (strncmp(key, tbl[i].name, strlen(tbl[i].name)) == 0)
4872 static int lustre_yaml_cb_helper(char *f, struct lookup_cmd_hdlr_tbl *table,
4873 struct cYAML **show_rc, struct cYAML **err_rc)
4875 struct cYAML *tree, *item = NULL, *head, *child;
4877 char err_str[LNET_MAX_STR_LEN];
4878 int rc = LUSTRE_CFG_RC_NO_ERR, return_rc = LUSTRE_CFG_RC_NO_ERR;
4880 tree = cYAML_build_tree(f, NULL, 0, err_rc, false);
4882 return LUSTRE_CFG_RC_BAD_PARAM;
4884 child = tree->cy_child;
4885 while (child != NULL) {
4886 cb = lookup_fn(child->cy_string, table);
4888 snprintf(err_str, sizeof(err_str),
4889 "\"call back for '%s' not found\"",
4891 cYAML_build_error(LUSTRE_CFG_RC_BAD_PARAM, -1,
4892 "yaml", "helper", err_str, err_rc);
4896 if (cYAML_is_sequence(child)) {
4897 while ((head = cYAML_get_next_seq_item(child, &item))
4899 rc = cb(head, show_rc, err_rc);
4900 if (rc != LUSTRE_CFG_RC_NO_ERR)
4904 rc = cb(child, show_rc, err_rc);
4905 if (rc != LUSTRE_CFG_RC_NO_ERR)
4909 child = child->cy_next;
4913 cYAML_free_tree(tree);
4918 int lustre_yaml_config(char *f, struct cYAML **err_rc)
4920 return lustre_yaml_cb_helper(f, lookup_config_tbl,
4924 int lustre_yaml_del(char *f, struct cYAML **err_rc)
4926 return lustre_yaml_cb_helper(f, lookup_del_tbl,
4930 int lustre_yaml_show(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
4932 return lustre_yaml_cb_helper(f, lookup_show_tbl,
4936 int lustre_yaml_exec(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
4938 return lustre_yaml_cb_helper(f, lookup_exec_tbl,