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 "liblnetconfig.h"
55 #define CONFIG_CMD "configure"
56 #define UNCONFIG_CMD "unconfigure"
59 #define SHOW_CMD "show"
61 #define MANAGE_CMD "manage"
63 #define MAX_NUM_IPS 128
65 #define modparam_path "/sys/module/lnet/parameters/"
66 #define gni_nid_path "/proc/cray_xt/"
68 const char *gmsg_stat_names[] = {"sent_stats", "received_stats",
72 * lustre_lnet_ip_range_descr
73 * Describes an IP range.
74 * Each octect is an expression
76 struct lustre_lnet_ip_range_descr {
77 struct list_head ipr_entry;
78 struct list_head ipr_expr;
83 * Describes an ip2nets rule. This can be on a list of rules.
85 struct lustre_lnet_ip2nets {
86 struct lnet_dlc_network_descr ip2nets_net;
87 struct list_head ip2nets_ip_ranges;
90 int open_sysfs_file(const char *path, const char *attr, const int mode)
93 char filename[LNET_MAX_STR_LEN];
95 if (strlen(path) + strlen(attr) >= LNET_MAX_STR_LEN)
98 snprintf(filename, sizeof(filename), "%s%s",
101 fd = open(filename, mode);
106 static int read_sysfs_file(const char *path, const char *attr,
107 void *val, const size_t size, const int nelem)
110 int rc = LUSTRE_CFG_RC_GENERIC_ERR;
112 fd = open_sysfs_file(path, attr, O_RDONLY);
114 return LUSTRE_CFG_RC_NO_MATCH;
116 if (read(fd, val, size * nelem) == -1)
119 rc = LUSTRE_CFG_RC_NO_ERR;
126 static int write_sysfs_file(const char *path, const char *attr,
127 void *val, const size_t size, const int nelem)
130 int rc = LUSTRE_CFG_RC_GENERIC_ERR;
132 fd = open_sysfs_file(path, attr, O_WRONLY | O_TRUNC);
134 return LUSTRE_CFG_RC_NO_MATCH;
136 if (write(fd, val, size * nelem) == -1)
139 rc = LUSTRE_CFG_RC_NO_ERR;
148 * frees the memory allocated for an intf descriptor.
150 void free_intf_descr(struct lnet_dlc_intf_descr *intf_descr)
155 if (intf_descr->cpt_expr != NULL)
156 cfs_expr_list_free(intf_descr->cpt_expr);
161 * lustre_lnet_add_ip_range
163 * given a string of the format:
164 * <expr.expr.expr.expr> parse each expr into
165 * a lustre_lnet_ip_range_descr structure and insert on the list.
167 * This function is called from
168 * YAML on each ip-range.
169 * As a result of lnetctl command
170 * When building a NID or P2P selection rules
172 int lustre_lnet_add_ip_range(struct list_head *list, char *str_ip_range)
174 struct lustre_lnet_ip_range_descr *ip_range;
177 ip_range = calloc(1, sizeof(*ip_range));
178 if (ip_range == NULL)
179 return LUSTRE_CFG_RC_OUT_OF_MEM;
181 INIT_LIST_HEAD(&ip_range->ipr_entry);
182 INIT_LIST_HEAD(&ip_range->ipr_expr);
184 rc = cfs_ip_addr_parse(str_ip_range, strlen(str_ip_range),
185 &ip_range->ipr_expr);
187 return LUSTRE_CFG_RC_BAD_PARAM;
189 list_add_tail(&ip_range->ipr_entry, list);
191 return LUSTRE_CFG_RC_NO_ERR;
194 int lustre_lnet_add_intf_descr(struct list_head *list, char *intf, int len)
196 char *open_sq_bracket = NULL, *close_sq_bracket = NULL,
198 struct lnet_dlc_intf_descr *intf_descr = NULL;
200 char intf_string[LNET_MAX_STR_LEN];
202 if (len >= LNET_MAX_STR_LEN)
203 return LUSTRE_CFG_RC_BAD_PARAM;
205 strncpy(intf_string, intf, len);
206 intf_string[len] = '\0';
208 intf_descr = calloc(1, sizeof(*intf_descr));
209 if (intf_descr == NULL)
210 return LUSTRE_CFG_RC_OUT_OF_MEM;
212 INIT_LIST_HEAD(&intf_descr->intf_on_network);
214 intf_name = intf_string;
215 open_sq_bracket = strchr(intf_string, '[');
216 if (open_sq_bracket != NULL) {
217 close_sq_bracket = strchr(intf_string, ']');
218 if (close_sq_bracket == NULL) {
220 return LUSTRE_CFG_RC_BAD_PARAM;
222 rc = cfs_expr_list_parse(open_sq_bracket,
223 strlen(open_sq_bracket), 0, UINT_MAX,
224 &intf_descr->cpt_expr);
227 return LUSTRE_CFG_RC_BAD_PARAM;
229 strncpy(intf_descr->intf_name, intf_name,
230 open_sq_bracket - intf_name);
231 intf_descr->intf_name[open_sq_bracket - intf_name] = '\0';
233 strcpy(intf_descr->intf_name, intf_name);
234 intf_descr->cpt_expr = NULL;
237 list_add_tail(&intf_descr->intf_on_network, list);
239 return LUSTRE_CFG_RC_NO_ERR;
242 void lustre_lnet_init_nw_descr(struct lnet_dlc_network_descr *nw_descr)
244 if (nw_descr != NULL) {
246 INIT_LIST_HEAD(&nw_descr->network_on_rule);
247 INIT_LIST_HEAD(&nw_descr->nw_intflist);
251 static char *get_next_delimiter_in_nid(char *str, char sep)
255 /* first find the '@' */
256 at = strchr(str, '@');
260 /* now that you found the at find the sep after */
261 comma = strchr(at, sep);
265 int lustre_lnet_parse_nids(char *nids, char **array, int size,
269 char *comma = nids, *cur, *entry;
271 int i, len, start = 0, finish = 0;
273 if (nids == NULL || strlen(nids) == 0)
276 /* count the number or new nids, by counting the number of comma*/
278 comma = get_next_delimiter_in_nid(comma, ',');
288 * if the array is not NULL allocate a large enough array to house
289 * the old and new entries
291 new_array = calloc(sizeof(char*),
292 (size > 0) ? size + num_nids : num_nids);
297 /* parse our the new nids and add them to the tail of the array */
300 start = (size > 0) ? size: 0;
301 finish = (size > 0) ? size + num_nids : num_nids;
302 for (i = start; i < finish; i++) {
303 comma = get_next_delimiter_in_nid(comma, ',');
306 * the length of the string to be parsed out is
307 * from cur to end of string. So it's good enough
310 len = strlen(cur) + 1;
312 /* length of the string is comma - cur */
313 len = (comma - cur) + 1;
315 entry = calloc(1, len);
317 finish = i > 0 ? i - 1: 0;
320 strncpy(entry, cur, len - 1);
322 new_array[i] = entry;
329 /* add the old entries in the array and delete the old array*/
330 for (i = 0; i < size; i++)
331 new_array[i] = array[i];
336 *out_array = new_array;
341 for (i = start; i < finish; i++)
351 * <intf>[<expr>], <intf>[<expr>],..
353 int lustre_lnet_parse_interfaces(char *intf_str,
354 struct lnet_dlc_network_descr *nw_descr)
359 char *cur = intf_str, *next = NULL;
360 char *end = intf_str + strlen(intf_str);
362 struct lnet_dlc_intf_descr *intf_descr, *tmp;
364 if (nw_descr == NULL)
365 return LUSTRE_CFG_RC_BAD_PARAM;
368 open_square = strchr(cur, '[');
369 if (open_square != NULL) {
370 close_square = strchr(cur, ']');
371 if (close_square == NULL) {
372 rc = LUSTRE_CFG_RC_BAD_PARAM;
376 comma = strchr(cur, ',');
377 if (comma != NULL && comma > close_square) {
379 len = next - close_square;
385 comma = strchr(cur, ',');
395 rc = lustre_lnet_add_intf_descr(&nw_descr->nw_intflist, cur, len);
396 if (rc != LUSTRE_CFG_RC_NO_ERR)
402 return LUSTRE_CFG_RC_NO_ERR;
405 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
407 list_del(&intf_descr->intf_on_network);
408 free_intf_descr(intf_descr);
414 int lustre_lnet_config_lib_init(void)
416 return register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH);
419 void lustre_lnet_config_lib_uninit(void)
421 unregister_ioc_dev(LNET_DEV_ID);
424 int lustre_lnet_config_ni_system(bool up, bool load_ni_from_mod,
425 int seq_no, struct cYAML **err_rc)
427 struct libcfs_ioctl_data data;
430 char err_str[LNET_MAX_STR_LEN];
432 snprintf(err_str, sizeof(err_str), "\"Success\"");
434 LIBCFS_IOC_INIT(data);
436 /* Reverse logic is used here in order not to change
437 * the lctl utility */
438 data.ioc_flags = load_ni_from_mod ? 0 : 1;
440 opc = up ? IOC_LIBCFS_CONFIGURE : IOC_LIBCFS_UNCONFIGURE;
442 rc = l_ioctl(LNET_DEV_ID, opc, &data);
446 "\"LNet %s error: %s\"", (up) ? "configure" :
447 "unconfigure", strerror(errno));
451 cYAML_build_error(rc, seq_no, (up) ? CONFIG_CMD : UNCONFIG_CMD,
452 "lnet", err_str, err_rc);
457 static int dispatch_peer_ni_cmd(lnet_nid_t pnid, lnet_nid_t nid, __u32 cmd,
458 struct lnet_ioctl_peer_cfg *data,
459 char *err_str, char *cmd_str)
463 data->prcfg_prim_nid = pnid;
464 data->prcfg_cfg_nid = nid;
466 rc = l_ioctl(LNET_DEV_ID, cmd, data);
471 "\"cannot %s peer ni: %s\"",
472 (cmd_str) ? cmd_str : "add", strerror(errno));
473 err_str[LNET_MAX_STR_LEN - 1] = '\0';
479 static int infra_ping_nid(char *ping_nids, char *oper, int param, int ioc_call,
480 int seq_no, struct cYAML **show_rc,
481 struct cYAML **err_rc)
484 struct lnet_ioctl_ping_data ping;
485 struct cYAML *root = NULL, *ping_node = NULL, *item = NULL,
486 *first_seq = NULL, *tmp = NULL, *peer_ni = NULL;
487 struct lnet_process_id id;
488 char err_str[LNET_MAX_STR_LEN] = {0};
489 char *sep, *token, *end;
492 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
496 len = (sizeof(struct lnet_process_id) * LNET_INTERFACES_MAX_DEFAULT);
498 data = calloc(1, len);
502 /* create struct cYAML root object */
503 root = cYAML_create_object(NULL, NULL);
507 ping_node = cYAML_create_seq(root, oper);
508 if (ping_node == NULL)
511 /* tokenise each nid in string ping_nids */
512 token = strtok(ping_nids, ",");
515 item = cYAML_create_seq_item(ping_node);
519 if (first_seq == NULL)
522 /* check if '-' is a part of NID, token */
523 sep = strchr(token, '-');
525 id.pid = LNET_PID_ANY;
526 /* if no net is specified, libcfs_str2nid() will assume tcp */
527 id.nid = libcfs_str2nid(token);
528 if (id.nid == LNET_NID_ANY) {
529 snprintf(err_str, sizeof(err_str),
530 "\"cannot parse NID '%s'\"",
532 rc = LUSTRE_CFG_RC_BAD_PARAM;
533 cYAML_build_error(rc, seq_no, MANAGE_CMD,
534 oper, err_str, err_rc);
538 if (token[0] == 'u' || token[0] == 'U')
539 id.pid = (strtoul(&token[1], &end, 0) |
540 (LNET_PID_USERFLAG));
542 id.pid = strtoul(token, &end, 0);
544 /* assuming '-' is part of hostname */
546 id.pid = LNET_PID_ANY;
547 id.nid = libcfs_str2nid(token);
548 if (id.nid == LNET_NID_ANY) {
549 snprintf(err_str, sizeof(err_str),
550 "\"cannot parse NID '%s'\"",
552 rc = LUSTRE_CFG_RC_BAD_PARAM;
553 cYAML_build_error(rc, seq_no, MANAGE_CMD,
559 id.nid = libcfs_str2nid(sep + 1);
560 if (id.nid == LNET_NID_ANY) {
561 snprintf(err_str, sizeof(err_str),
562 "\"cannot parse NID '%s'\"",
564 rc = LUSTRE_CFG_RC_BAD_PARAM;
565 cYAML_build_error(rc, seq_no, MANAGE_CMD,
572 LIBCFS_IOC_INIT_V2(ping, ping_hdr);
573 ping.ping_hdr.ioc_len = sizeof(ping);
575 ping.op_param = param;
576 ping.ping_count = LNET_INTERFACES_MAX_DEFAULT;
577 ping.ping_buf = data;
579 rc = l_ioctl(LNET_DEV_ID, ioc_call, &ping);
582 sizeof(err_str), "failed to %s %s: %s\n", oper,
583 id.pid == LNET_PID_ANY ?
584 libcfs_nid2str(id.nid) :
585 libcfs_id2str(id), strerror(errno));
586 rc = LUSTRE_CFG_RC_BAD_PARAM;
587 cYAML_build_error(rc, seq_no, MANAGE_CMD,
588 oper, err_str, err_rc);
592 if (cYAML_create_string(item, "primary nid",
593 libcfs_nid2str(ping.ping_id.nid)) == NULL)
596 if (cYAML_create_string(item, "Multi-Rail", ping.mr_info ?
597 "True" : "False") == NULL)
600 tmp = cYAML_create_seq(item, "peer ni");
604 for (i = 0; i < ping.ping_count; i++) {
605 if (!strcmp(libcfs_nid2str(ping.ping_buf[i].nid),
608 peer_ni = cYAML_create_seq_item(tmp);
611 memset(buf, 0, sizeof buf);
612 snprintf(buf, sizeof buf, "nid");
613 if (cYAML_create_string(peer_ni, buf,
614 libcfs_nid2str(ping.ping_buf[i].nid)) == NULL)
620 } while ((token = strtok(NULL, ",")) != NULL);
623 rc = LUSTRE_CFG_RC_NO_ERR;
628 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
629 cYAML_free_tree(root);
630 } else if (show_rc != NULL && *show_rc != NULL) {
631 struct cYAML *show_node;
632 show_node = cYAML_get_object_item(*show_rc, oper);
633 if (show_node != NULL && cYAML_is_sequence(show_node)) {
634 cYAML_insert_child(show_node, first_seq);
637 } else if (show_node == NULL) {
638 cYAML_insert_sibling((*show_rc)->cy_child,
642 cYAML_free_tree(root);
651 int lustre_lnet_ping_nid(char *ping_nids, int timeout, int seq_no,
652 struct cYAML **show_rc, struct cYAML **err_rc)
656 rc = infra_ping_nid(ping_nids, "ping", timeout, IOC_LIBCFS_PING_PEER,
657 seq_no, show_rc, err_rc);
661 int lustre_lnet_discover_nid(char *ping_nids, int force, int seq_no,
662 struct cYAML **show_rc, struct cYAML **err_rc)
666 rc = infra_ping_nid(ping_nids, "discover", force, IOC_LIBCFS_DISCOVER,
667 seq_no, show_rc, err_rc);
671 static void lustre_lnet_clean_ip2nets(struct lustre_lnet_ip2nets *ip2nets)
673 struct lustre_lnet_ip_range_descr *ipr, *tmp;
674 struct cfs_expr_list *el, *el_tmp;
676 list_for_each_entry_safe(ipr, tmp,
677 &ip2nets->ip2nets_ip_ranges,
679 list_del(&ipr->ipr_entry);
680 list_for_each_entry_safe(el, el_tmp, &ipr->ipr_expr,
682 list_del(&el->el_link);
683 cfs_expr_list_free(el);
690 * returns an rc < 0 if there is an error
691 * otherwise it returns the number IPs generated
692 * it also has out params: net - network name
694 static int lnet_expr2ips(char *nidstr, __u32 *ip_list,
695 struct lustre_lnet_ip2nets *ip2nets,
696 __u32 *net, char *err_str)
698 struct lustre_lnet_ip_range_descr *ipr;
700 int ip_idx = MAX_NUM_IPS - 1;
701 int ip_range_len, rc = LUSTRE_CFG_RC_NO_ERR;
703 char ip_range[LNET_MAX_STR_LEN];
705 /* separate the two components of the NID */
707 comp2 = strchr(nidstr, '@');
711 "\"cannot parse NID %s\"", nidstr);
712 err_str[LNET_MAX_STR_LEN - 1] = '\0';
713 rc = LUSTRE_CFG_RC_BAD_PARAM;
717 /* length of the expected ip-range */
718 ip_range_len = comp2 - comp1;
719 if (ip_range_len >= LNET_MAX_STR_LEN) {
722 "\"too long ip_range '%s'\"", nidstr);
723 err_str[LNET_MAX_STR_LEN - 1] = '\0';
724 rc = LUSTRE_CFG_RC_BAD_PARAM;
728 /* move beyond '@' */
732 * if the net component is either o2ib or tcp then we expect
733 * an IP range which could only be a single IP address.
736 *net = libcfs_str2net(comp2);
737 net_type = LNET_NETTYP(*net);
738 /* expression support is for o2iblnd and socklnd only */
739 if (net_type != O2IBLND && net_type != SOCKLND)
740 return LUSTRE_CFG_RC_SKIP;
742 strncpy(ip_range, comp1, ip_range_len);
743 ip_range[ip_range_len] = '\0';
744 ip2nets->ip2nets_net.nw_id = *net;
746 rc = lustre_lnet_add_ip_range(&ip2nets->ip2nets_ip_ranges, ip_range);
747 if (rc != LUSTRE_CFG_RC_NO_ERR) {
750 "\"cannot parse ip_range '%.100s'\"", ip_range);
751 err_str[LNET_MAX_STR_LEN - 1] = '\0';
752 rc = LUSTRE_CFG_RC_BAD_PARAM;
757 * Generate all the IP Addresses from the parsed range. For sanity
758 * we allow only a max of MAX_NUM_IPS nids to be configured for
761 list_for_each_entry(ipr, &ip2nets->ip2nets_ip_ranges, ipr_entry)
762 ip_idx = cfs_ip_addr_range_gen(ip_list, MAX_NUM_IPS,
765 if (ip_idx == MAX_NUM_IPS - 1) {
766 snprintf(err_str, LNET_MAX_STR_LEN,
767 "no NIDs provided for configuration");
768 err_str[LNET_MAX_STR_LEN - 1] = '\0';
769 rc = LUSTRE_CFG_RC_NO_MATCH;
771 } else if (ip_idx == -1) {
772 rc = LUSTRE_CFG_RC_LAST_ELEM;
781 static int lustre_lnet_handle_peer_ip2nets(char **nid, int num_nids, bool mr,
782 bool range, __u32 cmd,
783 char *cmd_type, char *err_str)
785 __u32 net = LNET_NIDNET(LNET_NID_ANY);
787 int i, j, rc = LUSTRE_CFG_RC_NO_ERR;
788 __u32 ip_list[MAX_NUM_IPS];
789 struct lustre_lnet_ip2nets ip2nets;
790 struct lnet_ioctl_peer_cfg data;
792 lnet_nid_t prim_nid = LNET_NID_ANY;
794 /* initialize all lists */
795 INIT_LIST_HEAD(&ip2nets.ip2nets_ip_ranges);
796 INIT_LIST_HEAD(&ip2nets.ip2nets_net.network_on_rule);
797 INIT_LIST_HEAD(&ip2nets.ip2nets_net.nw_intflist);
799 /* each nid entry is an expression */
800 for (i = 0; i < num_nids; i++) {
801 if (!range && i == 0)
802 prim_nid = libcfs_str2nid(nid[0]);
804 prim_nid = LNET_NID_ANY;
806 rc = lnet_expr2ips(nid[i], ip_list, &ip2nets, &net, err_str);
807 if (rc == LUSTRE_CFG_RC_SKIP)
809 else if (rc == LUSTRE_CFG_RC_LAST_ELEM)
811 else if (rc < LUSTRE_CFG_RC_NO_ERR)
816 for (j = MAX_NUM_IPS - 1; j > ip_idx; j--) {
817 peer_nid = LNET_MKNID(net, ip_list[j]);
818 if (peer_nid == LNET_NID_ANY) {
821 "\"cannot parse NID\"");
822 err_str[LNET_MAX_STR_LEN - 1] = '\0';
823 rc = LUSTRE_CFG_RC_BAD_PARAM;
827 LIBCFS_IOC_INIT_V2(data, prcfg_hdr);
830 if (prim_nid == LNET_NID_ANY && j == MAX_NUM_IPS - 1) {
832 peer_nid = LNET_NID_ANY;
835 if (!range && num_nids > 1 && i == 0 &&
836 cmd == IOC_LIBCFS_DEL_PEER_NI)
838 else if (!range && i == 0)
839 peer_nid = LNET_NID_ANY;
842 * If prim_nid is not provided then the first nid in the
843 * list becomes the prim_nid. First time round the loop
844 * use LNET_NID_ANY for the first parameter, then use
845 * nid[0] as the key nid after wards
847 rc = dispatch_peer_ni_cmd(prim_nid, peer_nid, cmd,
848 &data, err_str, cmd_type);
853 * we just deleted the entire peer using the
854 * primary_nid. So don't bother iterating through
855 * the rest of the nids
857 if (prim_nid != LNET_NID_ANY &&
858 peer_nid == LNET_NID_ANY &&
859 cmd == IOC_LIBCFS_DEL_PEER_NI)
863 lustre_lnet_clean_ip2nets(&ip2nets);
867 lustre_lnet_clean_ip2nets(&ip2nets);
871 int lustre_lnet_config_peer_nid(char *pnid, char **nid, int num_nids,
872 bool mr, bool ip2nets, int seq_no,
873 struct cYAML **err_rc)
875 int rc = LUSTRE_CFG_RC_NO_ERR;
876 char err_str[LNET_MAX_STR_LEN] = {0};
877 char **nid_array = NULL;
879 snprintf(err_str, sizeof(err_str), "\"Success\"");
882 rc = lustre_lnet_handle_peer_ip2nets(nid, num_nids, mr,
883 ip2nets, IOC_LIBCFS_ADD_PEER_NI,
889 if (libcfs_str2nid(pnid) == LNET_NID_ANY) {
890 snprintf(err_str, sizeof(err_str),
891 "bad primary NID: '%s'",
893 rc = LUSTRE_CFG_RC_MISSING_PARAM;
899 nid_array = calloc(sizeof(*nid_array), num_nids);
901 snprintf(err_str, sizeof(err_str),
903 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
907 memcpy(&nid_array[1], nid, sizeof(*nid) * (num_nids - 1));
910 rc = lustre_lnet_handle_peer_ip2nets((pnid) ? nid_array : nid,
911 num_nids, mr, ip2nets,
912 IOC_LIBCFS_ADD_PEER_NI, ADD_CMD,
921 cYAML_build_error(rc, seq_no, ADD_CMD, "peer_ni", err_str, err_rc);
925 int lustre_lnet_del_peer_nid(char *pnid, char **nid, int num_nids,
926 bool ip2nets, int seq_no, struct cYAML **err_rc)
928 int rc = LUSTRE_CFG_RC_NO_ERR;
929 char err_str[LNET_MAX_STR_LEN] = {0};
930 char **nid_array = NULL;
932 snprintf(err_str, sizeof(err_str), "\"Success\"");
935 rc = lustre_lnet_handle_peer_ip2nets(nid, num_nids, false,
936 ip2nets, IOC_LIBCFS_DEL_PEER_NI,
942 snprintf(err_str, sizeof(err_str),
943 "\"Primary nid is not provided\"");
944 rc = LUSTRE_CFG_RC_MISSING_PARAM;
946 } else if (!ip2nets) {
947 if (libcfs_str2nid(pnid) == LNET_NID_ANY) {
948 rc = LUSTRE_CFG_RC_BAD_PARAM;
949 snprintf(err_str, sizeof(err_str),
957 nid_array = calloc(sizeof(*nid_array), num_nids);
959 snprintf(err_str, sizeof(err_str),
961 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
965 memcpy(&nid_array[1], nid, sizeof(*nid) * (num_nids - 1));
967 rc = lustre_lnet_handle_peer_ip2nets(nid_array, num_nids, false,
968 ip2nets, IOC_LIBCFS_DEL_PEER_NI,
977 cYAML_build_error(rc, seq_no, DEL_CMD, "peer_ni", err_str, err_rc);
981 int lustre_lnet_config_route(char *nw, char *gw, int hops, int prio,
982 int seq_no, struct cYAML **err_rc)
984 struct lnet_ioctl_config_data data;
985 lnet_nid_t gateway_nid;
986 int rc = LUSTRE_CFG_RC_NO_ERR;
988 __u32 rnet = LNET_NIDNET(LNET_NID_ANY);
989 __u32 net = LNET_NIDNET(LNET_NID_ANY);
990 char err_str[LNET_MAX_STR_LEN];
991 __u32 ip_list[MAX_NUM_IPS];
992 struct lustre_lnet_ip2nets ip2nets;
994 /* initialize all lists */
995 INIT_LIST_HEAD(&ip2nets.ip2nets_ip_ranges);
996 INIT_LIST_HEAD(&ip2nets.ip2nets_net.network_on_rule);
997 INIT_LIST_HEAD(&ip2nets.ip2nets_net.nw_intflist);
999 snprintf(err_str, sizeof(err_str), "\"Success\"");
1001 if (nw == NULL || gw == NULL) {
1004 "\"missing mandatory parameter in route config:'%s'\"",
1005 (nw == NULL && gw == NULL) ? "network, gateway" :
1006 (nw == NULL) ? "network" : "gateway");
1007 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1011 rnet = libcfs_str2net(nw);
1012 if (rnet == LNET_NIDNET(LNET_NID_ANY)) {
1015 "\"cannot parse remote net %s\"", nw);
1016 rc = LUSTRE_CFG_RC_BAD_PARAM;
1021 /* hops is undefined */
1022 hops = LNET_UNDEFINED_HOPS;
1023 } else if (hops < 1 || hops > 255) {
1026 "\"invalid hop count %d, must be between 1 and 255\"",
1028 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
1034 } else if (prio < 0) {
1037 "\"invalid priority %d, must be greater than 0\"",
1039 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
1043 rc = lnet_expr2ips(gw, ip_list,
1044 &ip2nets, &net, err_str);
1045 if (rc == LUSTRE_CFG_RC_LAST_ELEM)
1047 else if (rc < LUSTRE_CFG_RC_NO_ERR)
1052 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
1053 data.cfg_net = rnet;
1054 data.cfg_config_u.cfg_route.rtr_hop = hops;
1055 data.cfg_config_u.cfg_route.rtr_priority = prio;
1057 for (i = MAX_NUM_IPS - 1; i > ip_idx; i--) {
1058 gateway_nid = LNET_MKNID(net, ip_list[i]);
1059 if (gateway_nid == LNET_NID_ANY) {
1062 "\"cannot form gateway NID: %u\"",
1064 err_str[LNET_MAX_STR_LEN - 1] = '\0';
1065 rc = LUSTRE_CFG_RC_BAD_PARAM;
1068 data.cfg_nid = gateway_nid;
1070 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
1075 "\"cannot add route: %s\"", strerror(errno));
1080 cYAML_build_error(rc, seq_no, ADD_CMD, "route", err_str, err_rc);
1085 int lustre_lnet_del_route(char *nw, char *gw,
1086 int seq_no, struct cYAML **err_rc)
1088 struct lnet_ioctl_config_data data;
1089 lnet_nid_t gateway_nid;
1090 int rc = LUSTRE_CFG_RC_NO_ERR;
1091 __u32 rnet = LNET_NIDNET(LNET_NID_ANY);
1092 __u32 net = LNET_NIDNET(LNET_NID_ANY);
1093 char err_str[LNET_MAX_STR_LEN];
1095 __u32 ip_list[MAX_NUM_IPS];
1096 struct lustre_lnet_ip2nets ip2nets;
1098 /* initialize all lists */
1099 INIT_LIST_HEAD(&ip2nets.ip2nets_ip_ranges);
1100 INIT_LIST_HEAD(&ip2nets.ip2nets_net.network_on_rule);
1101 INIT_LIST_HEAD(&ip2nets.ip2nets_net.nw_intflist);
1103 snprintf(err_str, sizeof(err_str), "\"Success\"");
1105 if (nw == NULL || gw == NULL) {
1108 "\"missing mandatory parameter in route delete: '%s'\"",
1109 (nw == NULL && gw == NULL) ? "network, gateway" :
1110 (nw == NULL) ? "network" : "gateway");
1111 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1115 rnet = libcfs_str2net(nw);
1116 if (rnet == LNET_NIDNET(LNET_NID_ANY)) {
1119 "\"cannot parse remote net '%s'\"", nw);
1120 rc = LUSTRE_CFG_RC_BAD_PARAM;
1124 rc = lnet_expr2ips(gw, ip_list,
1125 &ip2nets, &net, err_str);
1126 if (rc == LUSTRE_CFG_RC_LAST_ELEM)
1128 else if (rc < LUSTRE_CFG_RC_NO_ERR)
1133 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
1134 data.cfg_net = rnet;
1136 for (i = MAX_NUM_IPS - 1; i > ip_idx; i--) {
1137 gateway_nid = LNET_MKNID(net, ip_list[i]);
1138 if (gateway_nid == LNET_NID_ANY) {
1141 "\"cannot form gateway NID: %u\"",
1143 err_str[LNET_MAX_STR_LEN - 1] = '\0';
1144 rc = LUSTRE_CFG_RC_BAD_PARAM;
1147 data.cfg_nid = gateway_nid;
1149 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
1154 "\"cannot delete route: %s\"", strerror(errno));
1159 cYAML_build_error(rc, seq_no, DEL_CMD, "route", err_str, err_rc);
1164 int lustre_lnet_show_route(char *nw, char *gw, int hops, int prio, int detail,
1165 int seq_no, struct cYAML **show_rc,
1166 struct cYAML **err_rc, bool backup)
1168 struct lnet_ioctl_config_data data;
1169 lnet_nid_t gateway_nid;
1170 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
1172 __u32 net = LNET_NIDNET(LNET_NID_ANY);
1174 struct cYAML *root = NULL, *route = NULL, *item = NULL;
1175 struct cYAML *first_seq = NULL;
1176 char err_str[LNET_MAX_STR_LEN];
1179 snprintf(err_str, sizeof(err_str),
1180 "\"out of memory\"");
1183 net = libcfs_str2net(nw);
1184 if (net == LNET_NIDNET(LNET_NID_ANY)) {
1187 "\"cannot parse net '%s'\"", nw);
1188 rc = LUSTRE_CFG_RC_BAD_PARAM;
1193 /* show all routes without filtering on net */
1194 net = LNET_NIDNET(LNET_NID_ANY);
1198 gateway_nid = libcfs_str2nid(gw);
1199 if (gateway_nid == LNET_NID_ANY) {
1202 "\"cannot parse gateway NID '%s'\"", gw);
1203 rc = LUSTRE_CFG_RC_BAD_PARAM;
1207 /* show all routes with out filtering on gateway */
1208 gateway_nid = LNET_NID_ANY;
1210 if ((hops < 1 && hops != -1) || hops > 255) {
1213 "\"invalid hop count %d, must be between 0 and 256\"",
1215 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
1219 /* create struct cYAML root object */
1220 root = cYAML_create_object(NULL, NULL);
1224 route = cYAML_create_seq(root, "route");
1229 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
1232 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
1238 /* filter on provided data */
1239 if (net != LNET_NIDNET(LNET_NID_ANY) &&
1240 net != data.cfg_net)
1243 if (gateway_nid != LNET_NID_ANY &&
1244 gateway_nid != data.cfg_nid)
1248 hops != data.cfg_config_u.cfg_route.rtr_hop)
1252 prio != data.cfg_config_u.cfg_route.rtr_priority)
1255 /* default rc to -1 incase we hit the goto */
1259 item = cYAML_create_seq_item(route);
1263 if (first_seq == NULL)
1266 if (cYAML_create_string(item, "net",
1267 libcfs_net2str(data.cfg_net)) == NULL)
1270 if (cYAML_create_string(item, "gateway",
1271 libcfs_nid2str(data.cfg_nid)) == NULL)
1275 if (cYAML_create_number(item, "hop",
1276 (int) data.cfg_config_u.
1277 cfg_route.rtr_hop) ==
1281 if (cYAML_create_number(item, "priority",
1283 cfg_route.rtr_priority) == NULL)
1287 cYAML_create_string(item, "state",
1288 data.cfg_config_u.cfg_route.
1290 "up" : "down") == NULL)
1295 /* print output iff show_rc is not provided */
1296 if (show_rc == NULL)
1297 cYAML_print_tree(root);
1299 if (l_errno != ENOENT) {
1302 "\"cannot get routes: %s\"",
1307 rc = LUSTRE_CFG_RC_NO_ERR;
1309 snprintf(err_str, sizeof(err_str), "\"success\"");
1311 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
1312 cYAML_free_tree(root);
1313 } else if (show_rc != NULL && *show_rc != NULL) {
1314 struct cYAML *show_node;
1315 /* find the route node, if one doesn't exist then
1316 * insert one. Otherwise add to the one there
1318 show_node = cYAML_get_object_item(*show_rc, "route");
1319 if (show_node != NULL && cYAML_is_sequence(show_node)) {
1320 cYAML_insert_child(show_node, first_seq);
1323 } else if (show_node == NULL) {
1324 cYAML_insert_sibling((*show_rc)->cy_child,
1328 cYAML_free_tree(root);
1334 cYAML_build_error(rc, seq_no, SHOW_CMD, "route", err_str, err_rc);
1339 static int socket_intf_query(int request, char *intf,
1345 if (strlen(intf) >= IFNAMSIZ || ifr == NULL)
1346 return LUSTRE_CFG_RC_BAD_PARAM;
1348 sockfd = socket(AF_INET, SOCK_DGRAM, 0);
1350 return LUSTRE_CFG_RC_BAD_PARAM;
1352 strcpy(ifr->ifr_name, intf);
1353 rc = ioctl(sockfd, request, ifr);
1355 rc = LUSTRE_CFG_RC_BAD_PARAM;
1362 static int lustre_lnet_queryip(struct lnet_dlc_intf_descr *intf, __u32 *ip)
1367 memset(&ifr, 0, sizeof(ifr));
1368 rc = socket_intf_query(SIOCGIFFLAGS, intf->intf_name, &ifr);
1370 return LUSTRE_CFG_RC_BAD_PARAM;
1372 if ((ifr.ifr_flags & IFF_UP) == 0)
1373 return LUSTRE_CFG_RC_BAD_PARAM;
1375 memset(&ifr, 0, sizeof(ifr));
1376 rc = socket_intf_query(SIOCGIFADDR, intf->intf_name, &ifr);
1378 return LUSTRE_CFG_RC_BAD_PARAM;
1380 *ip = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr;
1381 *ip = bswap_32(*ip);
1383 return LUSTRE_CFG_RC_NO_ERR;
1387 * for each interface in the array of interfaces find the IP address of
1388 * that interface, create its nid and add it to an array of NIDs.
1389 * Stop if any of the interfaces is down
1391 static int lustre_lnet_intf2nids(struct lnet_dlc_network_descr *nw,
1392 lnet_nid_t **nids, __u32 *nnids,
1393 char *err_str, size_t str_len)
1395 int i = 0, count = 0, rc;
1396 struct lnet_dlc_intf_descr *intf;
1397 char val[LNET_MAX_STR_LEN];
1404 if (nw == NULL || nids == NULL) {
1405 snprintf(err_str, str_len,
1406 "\"unexpected parameters to lustre_lnet_intf2nids()\"");
1407 err_str[str_len - 1] = '\0';
1408 return LUSTRE_CFG_RC_BAD_PARAM;
1411 if (LNET_NETTYP(nw->nw_id) == GNILND) {
1414 list_for_each_entry(intf, &nw->nw_intflist, intf_on_network)
1418 *nids = calloc(count, sizeof(lnet_nid_t));
1419 if (*nids == NULL) {
1420 snprintf(err_str, str_len,
1421 "\"out of memory\"");
1422 err_str[str_len - 1] = '\0';
1423 return LUSTRE_CFG_RC_OUT_OF_MEM;
1426 * special case the GNI interface since it doesn't have an IP
1427 * address. The assumption is that there can only be one GNI
1428 * interface in the system. No interface name is provided.
1430 if (LNET_NETTYP(nw->nw_id) == GNILND) {
1431 rc = read_sysfs_file(gni_nid_path, "nid", val,
1434 snprintf(err_str, str_len,
1435 "\"cannot read gni nid\"");
1436 err_str[str_len - 1] = '\0';
1439 gni_num = atoi(val);
1441 (*nids)[i] = LNET_MKNID(nw->nw_id, gni_num);
1446 /* look at the other interfaces */
1447 list_for_each_entry(intf, &nw->nw_intflist, intf_on_network) {
1448 if (LNET_NETTYP(nw->nw_id) == PTL4LND) {
1449 /* handle LNDs with numeric interface name */
1450 num = strtoul(intf->intf_name, &endp, 0);
1451 if (endp == intf->intf_name || *endp != '\0') {
1452 rc = LUSTRE_CFG_RC_BAD_PARAM;
1453 snprintf(err_str, str_len,
1454 "\"couldn't query intf %s\"",
1456 err_str[str_len - 1] = '\0';
1459 (*nids)[i] = LNET_MKNID(nw->nw_id, num);
1462 /* handle LNDs with ip interface name */
1463 rc = lustre_lnet_queryip(intf, &ip);
1464 if (rc != LUSTRE_CFG_RC_NO_ERR) {
1465 snprintf(err_str, str_len,
1466 "\"couldn't query intf %s\"",
1468 err_str[str_len - 1] = '\0';
1471 (*nids)[i] = LNET_MKNID(nw->nw_id, ip);
1488 * called repeatedly until a match or no more ip range
1490 * ip_range expression
1491 * interface list with all the interface names.
1492 * all the interfaces in the system.
1494 * try to match the ip_range expr to one of the interfaces' IPs in
1495 * the system. If we hit a patch for an interface. Check if that
1496 * interface name is in the list.
1498 * If there are more than one interface in the list, then make sure
1499 * that the IPs for all of these interfaces match the ip ranges
1502 * for each interface in intf_list
1503 * look up the intf name in ifa
1504 * if not there then no match
1505 * check ip obtained from ifa against a match to any of the
1507 * If no match, then fail
1509 * The result is that all the interfaces have to match.
1511 int lustre_lnet_match_ip_to_intf(struct ifaddrs *ifa,
1512 struct list_head *intf_list,
1513 struct list_head *ip_ranges)
1517 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1518 struct ifaddrs *ifaddr = ifa;
1519 struct lustre_lnet_ip_range_descr *ip_range;
1523 * if there are no explicit interfaces, and no ip ranges, then
1524 * configure the first tcp interface we encounter.
1526 if (list_empty(intf_list) && list_empty(ip_ranges)) {
1527 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1528 if (ifaddr->ifa_addr == NULL)
1531 if ((ifaddr->ifa_flags & IFF_UP) == 0)
1534 family = ifaddr->ifa_addr->sa_family;
1535 if (family == AF_INET &&
1536 strcmp(ifaddr->ifa_name, "lo") != 0) {
1537 rc = lustre_lnet_add_intf_descr
1538 (intf_list, ifaddr->ifa_name,
1539 strlen(ifaddr->ifa_name));
1541 if (rc != LUSTRE_CFG_RC_NO_ERR)
1544 return LUSTRE_CFG_RC_MATCH;
1547 return LUSTRE_CFG_RC_NO_MATCH;
1551 * First interface which matches an IP pattern will be used
1553 if (list_empty(intf_list)) {
1555 * no interfaces provided in the rule, but an ip range is
1556 * provided, so try and match an interface to the ip
1559 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1560 if (ifaddr->ifa_addr == NULL)
1563 if ((ifaddr->ifa_flags & IFF_UP) == 0)
1566 family = ifaddr->ifa_addr->sa_family;
1567 if (family == AF_INET) {
1568 ip = ((struct sockaddr_in *)ifaddr->ifa_addr)->
1571 list_for_each_entry(ip_range, ip_ranges,
1573 rc = cfs_ip_addr_match(bswap_32(ip),
1574 &ip_range->ipr_expr);
1578 rc = lustre_lnet_add_intf_descr
1579 (intf_list, ifaddr->ifa_name,
1580 strlen(ifaddr->ifa_name));
1582 if (rc != LUSTRE_CFG_RC_NO_ERR)
1588 if (!list_empty(intf_list))
1589 return LUSTRE_CFG_RC_MATCH;
1591 return LUSTRE_CFG_RC_NO_MATCH;
1595 * If an interface is explicitly specified the ip-range might or
1596 * might not be specified. if specified the interface needs to match the
1597 * ip-range. If no ip-range then the interfaces are
1598 * automatically matched if they are all up.
1599 * If > 1 interfaces all the interfaces must match for the NI to
1602 list_for_each_entry_safe(intf_descr, tmp, intf_list, intf_on_network) {
1603 for (ifaddr = ifa; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
1604 if (ifaddr->ifa_addr == NULL)
1607 family = ifaddr->ifa_addr->sa_family;
1608 if (family == AF_INET &&
1609 strcmp(intf_descr->intf_name,
1610 ifaddr->ifa_name) == 0)
1614 if (ifaddr == NULL) {
1615 list_del(&intf_descr->intf_on_network);
1616 free_intf_descr(intf_descr);
1620 if ((ifaddr->ifa_flags & IFF_UP) == 0) {
1621 list_del(&intf_descr->intf_on_network);
1622 free_intf_descr(intf_descr);
1626 ip = ((struct sockaddr_in *)ifaddr->ifa_addr)->sin_addr.s_addr;
1629 list_for_each_entry(ip_range, ip_ranges, ipr_entry) {
1630 rc = cfs_ip_addr_match(bswap_32(ip), &ip_range->ipr_expr);
1636 /* no match for this interface */
1637 list_del(&intf_descr->intf_on_network);
1638 free_intf_descr(intf_descr);
1642 return LUSTRE_CFG_RC_MATCH;
1645 static int lustre_lnet_resolve_ip2nets_rule(struct lustre_lnet_ip2nets *ip2nets,
1646 lnet_nid_t **nids, __u32 *nnids,
1647 char *err_str, size_t str_len)
1649 struct ifaddrs *ifa;
1650 int rc = LUSTRE_CFG_RC_NO_ERR;
1652 rc = getifaddrs(&ifa);
1654 snprintf(err_str, str_len,
1655 "\"failed to get interface addresses: %d\"", -errno);
1656 err_str[str_len - 1] = '\0';
1660 rc = lustre_lnet_match_ip_to_intf(ifa,
1661 &ip2nets->ip2nets_net.nw_intflist,
1662 &ip2nets->ip2nets_ip_ranges);
1663 if (rc != LUSTRE_CFG_RC_MATCH) {
1664 snprintf(err_str, str_len,
1665 "\"couldn't match ip to existing interfaces\"");
1666 err_str[str_len - 1] = '\0';
1671 rc = lustre_lnet_intf2nids(&ip2nets->ip2nets_net, nids, nnids,
1672 err_str, sizeof(err_str));
1673 if (rc != LUSTRE_CFG_RC_NO_ERR) {
1684 lustre_lnet_ioctl_config_ni(struct list_head *intf_list,
1685 struct lnet_ioctl_config_lnd_tunables *tunables,
1686 struct cfs_expr_list *global_cpts,
1687 lnet_nid_t *nids, char *err_str)
1690 struct lnet_ioctl_config_ni *conf;
1691 struct lnet_ioctl_config_lnd_tunables *tun = NULL;
1692 int rc = LUSTRE_CFG_RC_NO_ERR, i = 0;
1695 struct lnet_dlc_intf_descr *intf_descr;
1697 struct cfs_expr_list *cpt_expr;
1699 list_for_each_entry(intf_descr, intf_list,
1701 if (tunables != NULL)
1702 len = sizeof(struct lnet_ioctl_config_ni) +
1703 sizeof(struct lnet_ioctl_config_lnd_tunables);
1705 len = sizeof(struct lnet_ioctl_config_ni);
1707 data = calloc(1, len);
1709 return LUSTRE_CFG_RC_OUT_OF_MEM;
1710 conf = (struct lnet_ioctl_config_ni*) data;
1711 if (tunables != NULL)
1712 tun = (struct lnet_ioctl_config_lnd_tunables*)
1715 LIBCFS_IOC_INIT_V2(*conf, lic_cfg_hdr);
1716 conf->lic_cfg_hdr.ioc_len = len;
1717 conf->lic_nid = nids[i];
1718 strncpy(conf->lic_ni_intf[0], intf_descr->intf_name,
1721 if (intf_descr->cpt_expr != NULL)
1722 cpt_expr = intf_descr->cpt_expr;
1723 else if (global_cpts != NULL)
1724 cpt_expr = global_cpts;
1728 if (cpt_expr != NULL) {
1729 count = cfs_expr_list_values(cpt_expr,
1730 LNET_MAX_SHOW_NUM_CPT,
1733 memcpy(conf->lic_cpts, cpt_array,
1734 sizeof(cpt_array[0]) * LNET_MAX_STR_LEN);
1743 conf->lic_ncpts = count;
1745 if (tunables != NULL)
1746 memcpy(tun, tunables, sizeof(*tunables));
1748 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_LOCAL_NI, data);
1753 "\"cannot add network: %s\"", strerror(errno));
1761 return LUSTRE_CFG_RC_NO_ERR;
1765 lustre_lnet_config_ip2nets(struct lustre_lnet_ip2nets *ip2nets,
1766 struct lnet_ioctl_config_lnd_tunables *tunables,
1767 struct cfs_expr_list *global_cpts,
1768 int seq_no, struct cYAML **err_rc)
1770 lnet_nid_t *nids = NULL;
1773 char err_str[LNET_MAX_STR_LEN];
1775 snprintf(err_str, sizeof(err_str), "\"success\"");
1780 "\"incomplete ip2nets information\"");
1781 rc = LUSTRE_CFG_RC_BAD_PARAM;
1786 * call below function to resolve the rules into a list of nids.
1787 * The memory is allocated in that function then freed here when
1788 * it's no longer needed.
1790 rc = lustre_lnet_resolve_ip2nets_rule(ip2nets, &nids, &nnids, err_str,
1792 if (rc != LUSTRE_CFG_RC_NO_ERR && rc != LUSTRE_CFG_RC_MATCH)
1795 if (list_empty(&ip2nets->ip2nets_net.nw_intflist)) {
1796 snprintf(err_str, sizeof(err_str),
1797 "\"no interfaces match ip2nets rules\"");
1801 rc = lustre_lnet_ioctl_config_ni(&ip2nets->ip2nets_net.nw_intflist,
1802 tunables, global_cpts, nids,
1809 cYAML_build_error(rc, seq_no, ADD_CMD, "ip2nets", err_str, err_rc);
1813 int lustre_lnet_config_ni(struct lnet_dlc_network_descr *nw_descr,
1814 struct cfs_expr_list *global_cpts,
1816 struct lnet_ioctl_config_lnd_tunables *tunables,
1817 int seq_no, struct cYAML **err_rc)
1820 struct lnet_ioctl_config_ni *conf;
1821 struct lnet_ioctl_config_lnd_tunables *tun = NULL;
1822 char buf[LNET_MAX_STR_LEN];
1823 int rc = LUSTRE_CFG_RC_NO_ERR;
1824 char err_str[LNET_MAX_STR_LEN];
1825 lnet_nid_t *nids = NULL;
1829 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1832 snprintf(err_str, sizeof(err_str), "\"success\"");
1834 if (ip2net == NULL && (nw_descr == NULL || nw_descr->nw_id == 0 ||
1835 (list_empty(&nw_descr->nw_intflist) &&
1836 LNET_NETTYP(nw_descr->nw_id) != GNILND))) {
1839 "\"missing mandatory parameters in NI config: '%s'\"",
1840 (nw_descr == NULL) ? "network , interface" :
1841 (nw_descr->nw_id == 0) ? "network" : "interface");
1842 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1846 if (ip2net != NULL && strlen(ip2net) >= sizeof(buf)) {
1849 "\"ip2net string too long %d\"",
1850 (int)strlen(ip2net));
1851 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
1855 if (ip2net != NULL) {
1856 if (tunables != NULL)
1857 len = sizeof(struct lnet_ioctl_config_ni) +
1858 sizeof(struct lnet_ioctl_config_lnd_tunables);
1860 len = sizeof(struct lnet_ioctl_config_ni);
1861 data = calloc(1, len);
1863 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
1866 conf = (struct lnet_ioctl_config_ni*) data;
1867 if (tunables != NULL)
1868 tun = (struct lnet_ioctl_config_lnd_tunables*)
1869 (data + sizeof(*conf));
1871 LIBCFS_IOC_INIT_V2(*conf, lic_cfg_hdr);
1872 conf->lic_cfg_hdr.ioc_len = len;
1873 strncpy(conf->lic_legacy_ip2nets, ip2net,
1876 if (global_cpts != NULL) {
1877 count = cfs_expr_list_values(global_cpts,
1878 LNET_MAX_SHOW_NUM_CPT,
1881 memcpy(conf->lic_cpts, cpt_array,
1882 sizeof(cpt_array[0]) * LNET_MAX_STR_LEN);
1891 conf->lic_ncpts = count;
1893 if (tunables != NULL)
1894 memcpy(tun, tunables, sizeof(*tunables));
1896 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_LOCAL_NI, data);
1901 "\"cannot add network: %s\"", strerror(errno));
1908 if (LNET_NETTYP(nw_descr->nw_id) == LOLND) {
1909 rc = LUSTRE_CFG_RC_NO_ERR;
1913 if (nw_descr->nw_id == LNET_NIDNET(LNET_NID_ANY)) {
1916 "\"cannot parse net '%s'\"",
1917 libcfs_net2str(nw_descr->nw_id));
1918 rc = LUSTRE_CFG_RC_BAD_PARAM;
1923 * special case the GNI since no interface name is expected
1925 if (list_empty(&nw_descr->nw_intflist) &&
1926 (LNET_NETTYP(nw_descr->nw_id) != GNILND)) {
1929 "\"no interface name provided\"");
1930 rc = LUSTRE_CFG_RC_BAD_PARAM;
1934 rc = lustre_lnet_intf2nids(nw_descr, &nids, &nnids,
1935 err_str, sizeof(err_str));
1937 rc = LUSTRE_CFG_RC_BAD_PARAM;
1941 rc = lustre_lnet_ioctl_config_ni(&nw_descr->nw_intflist,
1942 tunables, global_cpts, nids,
1946 if (nw_descr != NULL) {
1947 list_for_each_entry_safe(intf_descr, tmp,
1948 &nw_descr->nw_intflist,
1950 list_del(&intf_descr->intf_on_network);
1951 free_intf_descr(intf_descr);
1955 cYAML_build_error(rc, seq_no, ADD_CMD, "net", err_str, err_rc);
1966 int lustre_lnet_del_ni(struct lnet_dlc_network_descr *nw_descr,
1967 int seq_no, struct cYAML **err_rc)
1969 struct lnet_ioctl_config_ni data;
1970 int rc = LUSTRE_CFG_RC_NO_ERR, i;
1971 char err_str[LNET_MAX_STR_LEN];
1972 lnet_nid_t *nids = NULL;
1974 struct lnet_dlc_intf_descr *intf_descr, *tmp;
1976 snprintf(err_str, sizeof(err_str), "\"success\"");
1978 if (nw_descr == NULL || nw_descr->nw_id == 0) {
1981 "\"missing mandatory parameter in deleting NI: '%s'\"",
1982 (nw_descr == NULL) ? "network , interface" :
1983 (nw_descr->nw_id == 0) ? "network" : "interface");
1984 rc = LUSTRE_CFG_RC_MISSING_PARAM;
1988 if (LNET_NETTYP(nw_descr->nw_id) == LOLND)
1989 return LUSTRE_CFG_RC_NO_ERR;
1991 if (nw_descr->nw_id == LNET_NIDNET(LNET_NID_ANY)) {
1994 "\"cannot parse net '%s'\"",
1995 libcfs_net2str(nw_descr->nw_id));
1996 rc = LUSTRE_CFG_RC_BAD_PARAM;
2000 rc = lustre_lnet_intf2nids(nw_descr, &nids, &nnids,
2001 err_str, sizeof(err_str));
2003 rc = LUSTRE_CFG_RC_BAD_PARAM;
2008 * no interfaces just the nw_id is specified
2011 nids = calloc(1, sizeof(*nids));
2013 snprintf(err_str, sizeof(err_str),
2014 "\"out of memory\"");
2015 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2018 nids[0] = LNET_MKNID(nw_descr->nw_id, 0);
2022 for (i = 0; i < nnids; i++) {
2023 LIBCFS_IOC_INIT_V2(data, lic_cfg_hdr);
2024 data.lic_nid = nids[i];
2026 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_LOCAL_NI, &data);
2031 "\"cannot del network: %s\"", strerror(errno));
2035 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
2037 list_del(&intf_descr->intf_on_network);
2038 free_intf_descr(intf_descr);
2042 cYAML_build_error(rc, seq_no, DEL_CMD, "net", err_str, err_rc);
2051 lustre_lnet_config_healthv(int value, bool all, lnet_nid_t nid,
2052 enum lnet_health_type type, char *name,
2053 int seq_no, struct cYAML **err_rc)
2055 struct lnet_ioctl_reset_health_cfg data;
2056 int rc = LUSTRE_CFG_RC_NO_ERR;
2057 char err_str[LNET_MAX_STR_LEN];
2059 snprintf(err_str, sizeof(err_str), "\"success\"");
2061 LIBCFS_IOC_INIT_V2(data, rh_hdr);
2062 data.rh_type = type;
2064 data.rh_value = value;
2067 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_SET_HEALHV, &data);
2071 sizeof(err_str), "Can not configure health value: %s",
2075 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
2080 int lustre_lnet_config_ni_healthv(int value, bool all, char *ni_nid, int seq_no,
2081 struct cYAML **err_rc)
2085 nid = libcfs_str2nid(ni_nid);
2088 return lustre_lnet_config_healthv(value, all, nid,
2089 LNET_HEALTH_TYPE_LOCAL_NI,
2090 "ni healthv", seq_no, err_rc);
2093 int lustre_lnet_config_peer_ni_healthv(int value, bool all, char *lpni_nid,
2094 int seq_no, struct cYAML **err_rc)
2098 nid = libcfs_str2nid(lpni_nid);
2101 return lustre_lnet_config_healthv(value, all, nid,
2102 LNET_HEALTH_TYPE_PEER_NI,
2103 "peer_ni healthv", seq_no, err_rc);
2107 add_msg_stats_to_yaml_blk(struct cYAML *yaml,
2108 struct lnet_ioctl_comm_count *counts)
2110 if (cYAML_create_number(yaml, "put",
2111 counts->ico_put_count)
2114 if (cYAML_create_number(yaml, "get",
2115 counts->ico_get_count)
2118 if (cYAML_create_number(yaml, "reply",
2119 counts->ico_reply_count)
2122 if (cYAML_create_number(yaml, "ack",
2123 counts->ico_ack_count)
2126 if (cYAML_create_number(yaml, "hello",
2127 counts->ico_hello_count)
2134 static struct lnet_ioctl_comm_count *
2135 get_counts(struct lnet_ioctl_element_msg_stats *msg_stats, int idx)
2138 return &msg_stats->im_send_stats;
2140 return &msg_stats->im_recv_stats;
2142 return &msg_stats->im_drop_stats;
2147 int lustre_lnet_show_net(char *nw, int detail, int seq_no,
2148 struct cYAML **show_rc, struct cYAML **err_rc,
2152 struct lnet_ioctl_config_ni *ni_data;
2153 struct lnet_ioctl_config_lnd_tunables *lnd;
2154 struct lnet_ioctl_element_stats *stats;
2155 struct lnet_ioctl_element_msg_stats msg_stats;
2156 struct lnet_ioctl_local_ni_hstats hstats;
2157 __u32 net = LNET_NIDNET(LNET_NID_ANY);
2158 __u32 prev_net = LNET_NIDNET(LNET_NID_ANY);
2159 int rc = LUSTRE_CFG_RC_OUT_OF_MEM, i, j;
2161 struct cYAML *root = NULL, *tunables = NULL,
2162 *net_node = NULL, *interfaces = NULL,
2163 *item = NULL, *first_seq = NULL,
2164 *tmp = NULL, *statistics = NULL,
2166 int str_buf_len = LNET_MAX_SHOW_NUM_CPT * 2;
2167 char str_buf[str_buf_len];
2169 char err_str[LNET_MAX_STR_LEN];
2170 bool exist = false, new_net = true;
2172 size_t buf_size = sizeof(*ni_data) + sizeof(*lnd) + sizeof(*stats);
2174 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
2176 buf = calloc(1, buf_size);
2180 ni_data = (struct lnet_ioctl_config_ni *)buf;
2183 net = libcfs_str2net(nw);
2184 if (net == LNET_NIDNET(LNET_NID_ANY)) {
2187 "\"cannot parse net '%s'\"", nw);
2188 rc = LUSTRE_CFG_RC_BAD_PARAM;
2193 root = cYAML_create_object(NULL, NULL);
2197 net_node = cYAML_create_seq(root, "net");
2198 if (net_node == NULL)
2205 memset(buf, 0, buf_size);
2207 LIBCFS_IOC_INIT_V2(*ni_data, lic_cfg_hdr);
2209 * set the ioc_len to the proper value since INIT assumes
2212 ni_data->lic_cfg_hdr.ioc_len = buf_size;
2213 ni_data->lic_idx = i;
2215 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LOCAL_NI, ni_data);
2221 rc_net = LNET_NIDNET(ni_data->lic_nid);
2223 /* filter on provided data */
2224 if (net != LNET_NIDNET(LNET_NID_ANY) &&
2228 /* if we're backing up don't store lo */
2229 if (backup && LNET_NETTYP(rc_net) == LOLND)
2232 /* default rc to -1 in case we hit the goto */
2236 stats = (struct lnet_ioctl_element_stats *)ni_data->lic_bulk;
2237 lnd = (struct lnet_ioctl_config_lnd_tunables *)
2238 (ni_data->lic_bulk + sizeof(*stats));
2240 if (rc_net != prev_net) {
2247 if (!cYAML_create_string(net_node, "net type",
2248 libcfs_net2str(rc_net)))
2251 tmp = cYAML_create_seq(net_node, "local NI(s)");
2257 /* create the tree to be printed. */
2258 item = cYAML_create_seq_item(tmp);
2262 if (first_seq == NULL)
2266 cYAML_create_string(item, "nid",
2267 libcfs_nid2str(ni_data->lic_nid)) == NULL)
2271 cYAML_create_string(item,
2273 (ni_data->lic_status ==
2274 LNET_NI_STATUS_UP) ?
2275 "up" : "down") == NULL)
2278 /* don't add interfaces unless there is at least one
2280 if (strlen(ni_data->lic_ni_intf[0]) > 0) {
2281 interfaces = cYAML_create_object(item, "interfaces");
2282 if (interfaces == NULL)
2285 for (j = 0; j < LNET_INTERFACES_NUM; j++) {
2286 if (strlen(ni_data->lic_ni_intf[j]) > 0) {
2288 sizeof(str_buf), "%d", j);
2289 if (cYAML_create_string(interfaces,
2291 ni_data->lic_ni_intf[j]) ==
2303 goto continue_without_msg_stats;
2305 statistics = cYAML_create_object(item, "statistics");
2306 if (statistics == NULL)
2309 if (cYAML_create_number(statistics, "send_count",
2310 stats->iel_send_count)
2314 if (cYAML_create_number(statistics, "recv_count",
2315 stats->iel_recv_count)
2319 if (cYAML_create_number(statistics, "drop_count",
2320 stats->iel_drop_count)
2325 goto continue_without_msg_stats;
2327 LIBCFS_IOC_INIT_V2(msg_stats, im_hdr);
2328 msg_stats.im_hdr.ioc_len = sizeof(msg_stats);
2329 msg_stats.im_idx = i;
2331 rc = l_ioctl(LNET_DEV_ID,
2332 IOC_LIBCFS_GET_LOCAL_NI_MSG_STATS,
2336 goto continue_without_msg_stats;
2339 for (k = 0; k < 3; k++) {
2340 struct lnet_ioctl_comm_count *counts;
2341 struct cYAML *msg_statistics = NULL;
2343 msg_statistics = cYAML_create_object(item,
2344 (char *)gmsg_stat_names[k]);
2345 if (msg_statistics == NULL)
2348 counts = get_counts(&msg_stats, k);
2352 if (!add_msg_stats_to_yaml_blk(msg_statistics,
2357 LIBCFS_IOC_INIT_V2(hstats, hlni_hdr);
2358 hstats.hlni_nid = ni_data->lic_nid;
2359 /* grab health stats */
2360 rc = l_ioctl(LNET_DEV_ID,
2361 IOC_LIBCFS_GET_LOCAL_HSTATS,
2365 goto continue_without_msg_stats;
2367 yhstats = cYAML_create_object(item, "health stats");
2370 if (cYAML_create_number(yhstats, "health value",
2371 hstats.hlni_health_value)
2374 if (cYAML_create_number(yhstats, "interrupts",
2375 hstats.hlni_local_interrupt)
2378 if (cYAML_create_number(yhstats, "dropped",
2379 hstats.hlni_local_dropped)
2382 if (cYAML_create_number(yhstats, "aborted",
2383 hstats.hlni_local_aborted)
2386 if (cYAML_create_number(yhstats, "no route",
2387 hstats.hlni_local_no_route)
2390 if (cYAML_create_number(yhstats, "timeouts",
2391 hstats.hlni_local_timeout)
2394 if (cYAML_create_number(yhstats, "error",
2395 hstats.hlni_local_error)
2399 continue_without_msg_stats:
2400 tunables = cYAML_create_object(item, "tunables");
2404 rc = lustre_net_show_tunables(tunables, &lnd->lt_cmn);
2405 if (rc != LUSTRE_CFG_RC_NO_ERR)
2408 rc = lustre_ni_show_tunables(tunables, LNET_NETTYP(rc_net),
2410 if (rc != LUSTRE_CFG_RC_NO_ERR &&
2411 rc != LUSTRE_CFG_RC_NO_MATCH)
2414 if (rc != LUSTRE_CFG_RC_NO_MATCH) {
2415 tunables = cYAML_create_object(item,
2417 if (tunables == NULL)
2422 cYAML_create_number(item, "dev cpt",
2423 ni_data->lic_dev_cpt) == NULL)
2427 cYAML_create_number(item, "tcp bonding",
2428 ni_data->lic_tcp_bonding)
2432 /* out put the CPTs in the format: "[x,x,x,...]" */
2433 limit = str_buf + str_buf_len - 3;
2434 pos += snprintf(pos, limit - pos, "\"[");
2435 for (j = 0 ; ni_data->lic_ncpts >= 1 &&
2436 j < ni_data->lic_ncpts &&
2438 pos += snprintf(pos, limit - pos,
2439 "%d", ni_data->lic_cpts[j]);
2440 if ((j + 1) < ni_data->lic_ncpts)
2441 pos += snprintf(pos, limit - pos, ",");
2443 pos += snprintf(pos, 3, "]\"");
2445 if (ni_data->lic_ncpts >= 1 &&
2446 cYAML_create_string(item, "CPT",
2452 /* Print out the net information only if show_rc is not provided */
2453 if (show_rc == NULL)
2454 cYAML_print_tree(root);
2456 if (l_errno != ENOENT) {
2459 "\"cannot get networks: %s\"",
2464 rc = LUSTRE_CFG_RC_NO_ERR;
2466 snprintf(err_str, sizeof(err_str), "\"success\"");
2468 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2469 cYAML_free_tree(root);
2470 } else if (show_rc != NULL && *show_rc != NULL) {
2471 struct cYAML *show_node;
2472 /* find the net node, if one doesn't exist
2473 * then insert one. Otherwise add to the one there
2475 show_node = cYAML_get_object_item(*show_rc, "net");
2476 if (show_node != NULL && cYAML_is_sequence(show_node)) {
2477 cYAML_insert_child(show_node, first_seq);
2480 } else if (show_node == NULL) {
2481 cYAML_insert_sibling((*show_rc)->cy_child,
2485 cYAML_free_tree(root);
2491 cYAML_build_error(rc, seq_no, SHOW_CMD, "net", err_str, err_rc);
2496 int lustre_lnet_enable_routing(int enable, int seq_no, struct cYAML **err_rc)
2498 struct lnet_ioctl_config_data data;
2499 int rc = LUSTRE_CFG_RC_NO_ERR;
2500 char err_str[LNET_MAX_STR_LEN];
2502 snprintf(err_str, sizeof(err_str), "\"success\"");
2504 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2505 data.cfg_config_u.cfg_buffers.buf_enable = (enable) ? 1 : 0;
2507 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIG_RTR, &data);
2512 "\"cannot %s routing %s\"",
2513 (enable) ? "enable" : "disable", strerror(errno));
2518 cYAML_build_error(rc, seq_no,
2519 (enable) ? ADD_CMD : DEL_CMD,
2520 "routing", err_str, err_rc);
2525 int ioctl_set_value(__u32 val, int ioc, char *name,
2526 int seq_no, struct cYAML **err_rc)
2528 struct lnet_ioctl_set_value data;
2529 int rc = LUSTRE_CFG_RC_NO_ERR;
2530 char err_str[LNET_MAX_STR_LEN];
2532 snprintf(err_str, sizeof(err_str), "\"success\"");
2534 LIBCFS_IOC_INIT_V2(data, sv_hdr);
2535 data.sv_value = val;
2537 rc = l_ioctl(LNET_DEV_ID, ioc , &data);
2542 "\"cannot configure %s to %d: %s\"", name,
2543 val, strerror(errno));
2546 cYAML_build_error(rc, seq_no, ADD_CMD, name, err_str, err_rc);
2551 int lustre_lnet_config_recov_intrv(int intrv, int seq_no, struct cYAML **err_rc)
2553 int rc = LUSTRE_CFG_RC_NO_ERR;
2554 char err_str[LNET_MAX_STR_LEN];
2555 char val[LNET_MAX_STR_LEN];
2557 snprintf(err_str, sizeof(err_str), "\"success\"");
2559 snprintf(val, sizeof(val), "%d", intrv);
2561 rc = write_sysfs_file(modparam_path, "lnet_recovery_interval", val,
2562 1, strlen(val) + 1);
2564 snprintf(err_str, sizeof(err_str),
2565 "\"cannot configure recovery interval: %s\"",
2568 cYAML_build_error(rc, seq_no, ADD_CMD, "recovery_interval", err_str, err_rc);
2573 int lustre_lnet_config_rtr_sensitivity(int sen, int seq_no, struct cYAML **err_rc)
2575 int rc = LUSTRE_CFG_RC_NO_ERR;
2576 char err_str[LNET_MAX_STR_LEN];
2577 char val[LNET_MAX_STR_LEN];
2579 snprintf(err_str, sizeof(err_str), "\"success\"");
2581 snprintf(val, sizeof(val), "%d", sen);
2583 rc = write_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
2584 1, strlen(val) + 1);
2586 snprintf(err_str, sizeof(err_str),
2587 "\"cannot configure router health sensitivity: %s\"",
2590 cYAML_build_error(rc, seq_no, ADD_CMD, "router_sensitivity", err_str, err_rc);
2595 int lustre_lnet_config_hsensitivity(int sen, int seq_no, struct cYAML **err_rc)
2597 int rc = LUSTRE_CFG_RC_NO_ERR;
2598 char err_str[LNET_MAX_STR_LEN];
2599 char val[LNET_MAX_STR_LEN];
2601 snprintf(err_str, sizeof(err_str), "\"success\"");
2603 snprintf(val, sizeof(val), "%d", sen);
2605 rc = write_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
2606 1, strlen(val) + 1);
2608 snprintf(err_str, sizeof(err_str),
2609 "\"cannot configure health sensitivity: %s\"",
2612 cYAML_build_error(rc, seq_no, ADD_CMD, "health_sensitivity", err_str, err_rc);
2617 int lustre_lnet_config_transaction_to(int timeout, int seq_no, struct cYAML **err_rc)
2619 int rc = LUSTRE_CFG_RC_NO_ERR;
2620 char err_str[LNET_MAX_STR_LEN];
2621 char val[LNET_MAX_STR_LEN];
2623 snprintf(err_str, sizeof(err_str), "\"success\"");
2625 snprintf(val, sizeof(val), "%d", timeout);
2627 rc = write_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
2628 1, strlen(val) + 1);
2630 snprintf(err_str, sizeof(err_str),
2631 "\"cannot configure transaction timeout: %s\"",
2634 cYAML_build_error(rc, seq_no, ADD_CMD, "transaction_timeout", err_str, err_rc);
2639 int lustre_lnet_config_retry_count(int count, int seq_no, struct cYAML **err_rc)
2641 int rc = LUSTRE_CFG_RC_NO_ERR;
2642 char err_str[LNET_MAX_STR_LEN];
2643 char val[LNET_MAX_STR_LEN];
2645 snprintf(err_str, sizeof(err_str), "\"success\"");
2647 snprintf(val, sizeof(val), "%d", count);
2649 rc = write_sysfs_file(modparam_path, "lnet_retry_count", val,
2650 1, strlen(val) + 1);
2652 snprintf(err_str, sizeof(err_str),
2653 "\"cannot configure retry count: %s\"",
2656 cYAML_build_error(rc, seq_no, ADD_CMD, "retry_count", err_str, err_rc);
2661 int lustre_lnet_config_max_intf(int max, int seq_no, struct cYAML **err_rc)
2663 int rc = LUSTRE_CFG_RC_NO_ERR;
2664 char err_str[LNET_MAX_STR_LEN];
2665 char val[LNET_MAX_STR_LEN];
2667 snprintf(err_str, sizeof(err_str), "\"success\"");
2669 snprintf(val, sizeof(val), "%d", max);
2671 rc = write_sysfs_file(modparam_path, "lnet_interfaces_max", val,
2672 1, strlen(val) + 1);
2674 snprintf(err_str, sizeof(err_str),
2675 "\"cannot configure max interfaces: %s\"",
2678 cYAML_build_error(rc, seq_no, ADD_CMD, "max_interfaces", err_str, err_rc);
2683 int lustre_lnet_config_discovery(int enable, int seq_no, struct cYAML **err_rc)
2685 int rc = LUSTRE_CFG_RC_NO_ERR;
2686 char err_str[LNET_MAX_STR_LEN];
2687 char val[LNET_MAX_STR_LEN];
2689 snprintf(err_str, sizeof(err_str), "\"success\"");
2691 snprintf(val, sizeof(val), "%u", (enable) ? 0 : 1);
2693 rc = write_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
2694 1, strlen(val) + 1);
2696 snprintf(err_str, sizeof(err_str),
2697 "\"cannot configure discovery: %s\"",
2700 cYAML_build_error(rc, seq_no, ADD_CMD, "discovery", err_str, err_rc);
2706 int lustre_lnet_config_drop_asym_route(int drop, int seq_no,
2707 struct cYAML **err_rc)
2709 int rc = LUSTRE_CFG_RC_NO_ERR;
2710 char err_str[LNET_MAX_STR_LEN];
2711 char val[LNET_MAX_STR_LEN];
2713 snprintf(err_str, sizeof(err_str), "\"success\"");
2715 snprintf(val, sizeof(val), "%u", (drop) ? 1 : 0);
2717 rc = write_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
2718 1, strlen(val) + 1);
2720 snprintf(err_str, sizeof(err_str),
2721 "\"cannot configure drop asym route: %s\"",
2724 cYAML_build_error(rc, seq_no, ADD_CMD, "drop_asym_route",
2731 int lustre_lnet_config_numa_range(int range, int seq_no, struct cYAML **err_rc)
2733 return ioctl_set_value(range, IOC_LIBCFS_SET_NUMA_RANGE,
2734 "numa_range", seq_no, err_rc);
2737 int lustre_lnet_config_buffers(int tiny, int small, int large, int seq_no,
2738 struct cYAML **err_rc)
2740 struct lnet_ioctl_config_data data;
2741 int rc = LUSTRE_CFG_RC_NO_ERR;
2742 char err_str[LNET_MAX_STR_LEN];
2744 snprintf(err_str, sizeof(err_str), "\"success\"");
2746 /* -1 indicates to ignore changes to this field */
2747 if (tiny < -1 || small < -1 || large < -1) {
2750 "\"tiny, small and large must be >= 0\"");
2751 rc = LUSTRE_CFG_RC_OUT_OF_RANGE_PARAM;
2755 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
2756 data.cfg_config_u.cfg_buffers.buf_tiny = tiny;
2757 data.cfg_config_u.cfg_buffers.buf_small = small;
2758 data.cfg_config_u.cfg_buffers.buf_large = large;
2760 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_BUF, &data);
2765 "\"cannot configure buffers: %s\"", strerror(errno));
2770 cYAML_build_error(rc, seq_no, ADD_CMD, "buf", err_str, err_rc);
2775 int lustre_lnet_show_routing(int seq_no, struct cYAML **show_rc,
2776 struct cYAML **err_rc, bool backup)
2778 struct lnet_ioctl_config_data *data;
2779 struct lnet_ioctl_pool_cfg *pool_cfg = NULL;
2780 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2783 char *pools[LNET_NRBPOOLS] = {"tiny", "small", "large"};
2784 int buf_count[LNET_NRBPOOLS] = {0};
2785 struct cYAML *root = NULL, *pools_node = NULL,
2786 *type_node = NULL, *item = NULL, *cpt = NULL,
2787 *first_seq = NULL, *buffers = NULL;
2789 char err_str[LNET_MAX_STR_LEN];
2790 char node_name[LNET_MAX_STR_LEN];
2793 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
2795 buf = calloc(1, sizeof(*data) + sizeof(*pool_cfg));
2799 data = (struct lnet_ioctl_config_data *)buf;
2801 root = cYAML_create_object(NULL, NULL);
2806 pools_node = cYAML_create_object(root, "routing");
2808 pools_node = cYAML_create_seq(root, "routing");
2809 if (pools_node == NULL)
2813 LIBCFS_IOC_INIT_V2(*data, cfg_hdr);
2814 data->cfg_hdr.ioc_len = sizeof(struct lnet_ioctl_config_data) +
2815 sizeof(struct lnet_ioctl_pool_cfg);
2816 data->cfg_count = i;
2818 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_BUF, data);
2826 pool_cfg = (struct lnet_ioctl_pool_cfg *)data->cfg_bulk;
2829 goto calculate_buffers;
2831 snprintf(node_name, sizeof(node_name), "cpt[%d]", i);
2832 item = cYAML_create_seq_item(pools_node);
2836 if (first_seq == NULL)
2839 cpt = cYAML_create_object(item, node_name);
2844 /* create the tree and print */
2845 for (j = 0; j < LNET_NRBPOOLS; j++) {
2847 type_node = cYAML_create_object(cpt, pools[j]);
2848 if (type_node == NULL)
2852 cYAML_create_number(type_node, "npages",
2853 pool_cfg->pl_pools[j].pl_npages)
2857 cYAML_create_number(type_node, "nbuffers",
2858 pool_cfg->pl_pools[j].
2859 pl_nbuffers) == NULL)
2862 cYAML_create_number(type_node, "credits",
2863 pool_cfg->pl_pools[j].
2864 pl_credits) == NULL)
2867 cYAML_create_number(type_node, "mincredits",
2868 pool_cfg->pl_pools[j].
2869 pl_mincredits) == NULL)
2871 /* keep track of the total count for each of the
2872 * tiny, small and large buffers */
2873 buf_count[j] += pool_cfg->pl_pools[j].pl_nbuffers;
2877 if (pool_cfg != NULL) {
2879 if (cYAML_create_number(pools_node, "enable",
2880 pool_cfg->pl_routing) ==
2884 goto add_buffer_section;
2887 item = cYAML_create_seq_item(pools_node);
2891 if (cYAML_create_number(item, "enable", pool_cfg->pl_routing) ==
2897 /* create a buffers entry in the show. This is necessary so that
2898 * if the YAML output is used to configure a node, the buffer
2899 * configuration takes hold */
2900 buffers = cYAML_create_object(root, "buffers");
2901 if (buffers == NULL)
2904 for (i = 0; i < LNET_NRBPOOLS; i++) {
2905 if (cYAML_create_number(buffers, pools[i], buf_count[i]) == NULL)
2909 if (show_rc == NULL)
2910 cYAML_print_tree(root);
2912 if (l_errno != ENOENT) {
2915 "\"cannot get routing information: %s\"",
2920 rc = LUSTRE_CFG_RC_NO_ERR;
2922 snprintf(err_str, sizeof(err_str), "\"success\"");
2923 rc = LUSTRE_CFG_RC_NO_ERR;
2927 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
2928 cYAML_free_tree(root);
2929 } else if (show_rc != NULL && *show_rc != NULL) {
2930 struct cYAML *routing_node;
2931 /* there should exist only one routing block and one
2932 * buffers block. If there already exists a previous one
2933 * then don't add another */
2934 routing_node = cYAML_get_object_item(*show_rc, "routing");
2935 if (routing_node == NULL) {
2936 cYAML_insert_sibling((*show_rc)->cy_child,
2940 cYAML_free_tree(root);
2946 cYAML_build_error(rc, seq_no, SHOW_CMD, "routing", err_str, err_rc);
2951 int lustre_lnet_show_peer(char *knid, int detail, int seq_no,
2952 struct cYAML **show_rc, struct cYAML **err_rc,
2956 * TODO: This function is changing in a future patch to accommodate
2957 * PEER_LIST and proper filtering on any nid of the peer
2959 struct lnet_ioctl_peer_cfg peer_info;
2960 struct lnet_peer_ni_credit_info *lpni_cri;
2961 struct lnet_ioctl_element_stats *lpni_stats;
2962 struct lnet_ioctl_element_msg_stats *msg_stats;
2963 struct lnet_ioctl_peer_ni_hstats *hstats;
2965 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
2970 struct cYAML *root = NULL, *peer = NULL, *peer_ni = NULL,
2971 *first_seq = NULL, *peer_root = NULL, *tmp = NULL,
2972 *msg_statistics = NULL, *statistics = NULL,
2974 char err_str[LNET_MAX_STR_LEN];
2975 struct lnet_process_id *list = NULL;
2980 snprintf(err_str, sizeof(err_str),
2981 "\"out of memory\"");
2983 /* create struct cYAML root object */
2984 root = cYAML_create_object(NULL, NULL);
2988 peer_root = cYAML_create_seq(root, "peer");
2989 if (peer_root == NULL)
2993 size = count * sizeof(struct lnet_process_id);
2994 list = malloc(size);
3000 list[0].nid = libcfs_str2nid(knid);
3004 memset(&peer_info, 0, sizeof(peer_info));
3005 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
3006 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
3007 peer_info.prcfg_size = size;
3008 peer_info.prcfg_bulk = list;
3011 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST,
3013 count = peer_info.prcfg_count;
3017 if (l_errno != E2BIG) {
3020 "\"cannot get peer list: %s\"",
3026 size = peer_info.prcfg_size;
3027 list = malloc(size);
3036 data = malloc(size);
3042 for (i = 0; i < count; i++) {
3044 memset(&peer_info, 0, sizeof(peer_info));
3045 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
3046 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
3047 peer_info.prcfg_prim_nid = list[i].nid;
3048 peer_info.prcfg_size = size;
3049 peer_info.prcfg_bulk = data;
3052 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_NI,
3057 if (l_errno != E2BIG) {
3060 "\"cannot get peer information: %s\"",
3066 size = peer_info.prcfg_size;
3067 data = malloc(size);
3075 peer = cYAML_create_seq_item(peer_root);
3079 if (first_seq == NULL)
3082 lnet_nid_t pnid = peer_info.prcfg_prim_nid;
3083 if (cYAML_create_string(peer, "primary nid",
3084 libcfs_nid2str(pnid))
3087 if (cYAML_create_string(peer, "Multi-Rail",
3088 peer_info.prcfg_mr ? "True" : "False")
3092 * print out the state of the peer only if details are
3097 cYAML_create_number(peer, "peer state",
3098 peer_info.prcfg_state)
3103 tmp = cYAML_create_seq(peer, "peer ni");
3108 for (j = 0; j < peer_info.prcfg_count; j++) {
3110 lpni_cri = (void*)nidp + sizeof(nidp);
3111 lpni_stats = (void *)lpni_cri + sizeof(*lpni_cri);
3112 msg_stats = (void *)lpni_stats + sizeof(*lpni_stats);
3113 hstats = (void *)msg_stats + sizeof(*msg_stats);
3114 lpni_data = (void *)hstats + sizeof(*hstats);
3116 peer_ni = cYAML_create_seq_item(tmp);
3117 if (peer_ni == NULL)
3120 if (cYAML_create_string(peer_ni, "nid",
3121 libcfs_nid2str(*nidp))
3128 if (cYAML_create_string(peer_ni, "state",
3129 lpni_cri->cr_aliveness)
3136 if (cYAML_create_number(peer_ni, "max_ni_tx_credits",
3137 lpni_cri->cr_ni_peer_tx_credits)
3141 if (cYAML_create_number(peer_ni, "available_tx_credits",
3142 lpni_cri->cr_peer_tx_credits)
3146 if (cYAML_create_number(peer_ni, "min_tx_credits",
3147 lpni_cri->cr_peer_min_tx_credits)
3151 if (cYAML_create_number(peer_ni, "tx_q_num_of_buf",
3152 lpni_cri->cr_peer_tx_qnob)
3156 if (cYAML_create_number(peer_ni, "available_rtr_credits",
3157 lpni_cri->cr_peer_rtr_credits)
3161 if (cYAML_create_number(peer_ni, "min_rtr_credits",
3162 lpni_cri->cr_peer_min_rtr_credits)
3166 if (cYAML_create_number(peer_ni, "refcount",
3167 lpni_cri->cr_refcount) == NULL)
3170 statistics = cYAML_create_object(peer_ni, "statistics");
3171 if (statistics == NULL)
3174 if (cYAML_create_number(statistics, "send_count",
3175 lpni_stats->iel_send_count)
3179 if (cYAML_create_number(statistics, "recv_count",
3180 lpni_stats->iel_recv_count)
3184 if (cYAML_create_number(statistics, "drop_count",
3185 lpni_stats->iel_drop_count)
3192 for (k = 0; k < 3; k++) {
3193 struct lnet_ioctl_comm_count *counts;
3195 msg_statistics = cYAML_create_object(peer_ni,
3196 (char *) gmsg_stat_names[k]);
3197 if (msg_statistics == NULL)
3200 counts = get_counts(msg_stats, k);
3204 if (!add_msg_stats_to_yaml_blk(msg_statistics,
3209 yhstats = cYAML_create_object(peer_ni, "health stats");
3212 if (cYAML_create_number(yhstats, "health value",
3213 hstats->hlpni_health_value)
3216 if (cYAML_create_number(yhstats, "dropped",
3217 hstats->hlpni_remote_dropped)
3220 if (cYAML_create_number(yhstats, "timeout",
3221 hstats->hlpni_remote_timeout)
3224 if (cYAML_create_number(yhstats, "error",
3225 hstats->hlpni_remote_error)
3228 if (cYAML_create_number(yhstats, "network timeout",
3229 hstats->hlpni_network_timeout)
3235 /* print output iff show_rc is not provided */
3236 if (show_rc == NULL)
3237 cYAML_print_tree(root);
3239 snprintf(err_str, sizeof(err_str), "\"success\"");
3240 rc = LUSTRE_CFG_RC_NO_ERR;
3245 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR || !exist) {
3246 cYAML_free_tree(root);
3247 } else if (show_rc != NULL && *show_rc != NULL) {
3248 struct cYAML *show_node;
3249 /* find the peer node, if one doesn't exist then
3250 * insert one. Otherwise add to the one there
3252 show_node = cYAML_get_object_item(*show_rc,
3254 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3255 cYAML_insert_child(show_node, first_seq);
3258 } else if (show_node == NULL) {
3259 cYAML_insert_sibling((*show_rc)->cy_child,
3263 cYAML_free_tree(root);
3269 cYAML_build_error(rc, seq_no, SHOW_CMD, "peer", err_str,
3275 int lustre_lnet_list_peer(int seq_no,
3276 struct cYAML **show_rc, struct cYAML **err_rc)
3278 struct lnet_ioctl_peer_cfg peer_info;
3279 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3284 struct cYAML *root = NULL, *list_root = NULL, *first_seq = NULL;
3285 char err_str[LNET_MAX_STR_LEN];
3286 struct lnet_process_id *list = NULL;
3288 snprintf(err_str, sizeof(err_str),
3289 "\"out of memory\"");
3291 memset(&peer_info, 0, sizeof(peer_info));
3293 /* create struct cYAML root object */
3294 root = cYAML_create_object(NULL, NULL);
3298 list_root = cYAML_create_seq(root, "peer list");
3299 if (list_root == NULL)
3303 size = count * sizeof(struct lnet_process_id);
3304 list = malloc(size);
3310 LIBCFS_IOC_INIT_V2(peer_info, prcfg_hdr);
3311 peer_info.prcfg_hdr.ioc_len = sizeof(peer_info);
3312 peer_info.prcfg_size = size;
3313 peer_info.prcfg_bulk = list;
3316 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER_LIST, &peer_info);
3317 count = peer_info.prcfg_count;
3321 if (l_errno != E2BIG) {
3324 "\"cannot get peer list: %s\"",
3330 size = peer_info.prcfg_size;
3331 list = malloc(size);
3338 /* count is now the actual number of ids in the list. */
3339 for (i = 0; i < count; i++) {
3340 if (cYAML_create_string(list_root, "nid",
3341 libcfs_nid2str(list[i].nid))
3346 /* print output iff show_rc is not provided */
3347 if (show_rc == NULL)
3348 cYAML_print_tree(root);
3350 snprintf(err_str, sizeof(err_str), "\"success\"");
3351 rc = LUSTRE_CFG_RC_NO_ERR;
3356 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3357 cYAML_free_tree(root);
3358 } else if (show_rc != NULL && *show_rc != NULL) {
3359 struct cYAML *show_node;
3360 /* find the peer node, if one doesn't exist then
3361 * insert one. Otherwise add to the one there
3363 show_node = cYAML_get_object_item(*show_rc,
3365 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3366 cYAML_insert_child(show_node, first_seq);
3369 } else if (show_node == NULL) {
3370 cYAML_insert_sibling((*show_rc)->cy_child,
3374 cYAML_free_tree(root);
3380 cYAML_build_error(rc, seq_no, SHOW_CMD, "peer", err_str,
3386 static void add_to_global(struct cYAML *show_rc, struct cYAML *node,
3389 struct cYAML *show_node;
3391 show_node = cYAML_get_object_item(show_rc, "global");
3392 if (show_node != NULL)
3393 cYAML_insert_sibling(show_node->cy_child,
3396 cYAML_insert_sibling(show_rc->cy_child,
3401 static int build_global_yaml_entry(char *err_str, int err_len, int seq_no,
3402 char *name, __u32 value,
3403 struct cYAML **show_rc,
3404 struct cYAML **err_rc, int err)
3406 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3407 struct cYAML *root = NULL, *global = NULL;
3414 root = cYAML_create_object(NULL, NULL);
3418 global = cYAML_create_object(root, "global");
3422 if (cYAML_create_number(global, name,
3426 if (show_rc == NULL)
3427 cYAML_print_tree(root);
3429 snprintf(err_str, err_len, "\"success\"");
3431 rc = LUSTRE_CFG_RC_NO_ERR;
3434 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3435 cYAML_free_tree(root);
3436 } else if (show_rc != NULL && *show_rc != NULL) {
3437 add_to_global(*show_rc, global, root);
3442 cYAML_build_error(rc, seq_no, SHOW_CMD, "global", err_str, err_rc);
3447 static int ioctl_show_global_values(int ioc, int seq_no, char *name,
3448 struct cYAML **show_rc,
3449 struct cYAML **err_rc)
3451 struct lnet_ioctl_set_value data;
3454 char err_str[LNET_MAX_STR_LEN];
3456 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3458 LIBCFS_IOC_INIT_V2(data, sv_hdr);
3460 rc = l_ioctl(LNET_DEV_ID, ioc, &data);
3465 "\"cannot get %s: %s\"",
3466 name, strerror(l_errno));
3469 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no, name,
3470 data.sv_value, show_rc, err_rc, l_errno);
3473 int lustre_lnet_show_recov_intrv(int seq_no, struct cYAML **show_rc,
3474 struct cYAML **err_rc)
3476 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3477 char val[LNET_MAX_STR_LEN];
3478 int intrv = -1, l_errno = 0;
3479 char err_str[LNET_MAX_STR_LEN];
3481 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3483 rc = read_sysfs_file(modparam_path, "lnet_recovery_interval", val,
3487 snprintf(err_str, sizeof(err_str),
3488 "\"cannot get recovery interval: %d\"", rc);
3493 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3494 "recovery_interval", intrv, show_rc,
3498 int lustre_lnet_show_hsensitivity(int seq_no, struct cYAML **show_rc,
3499 struct cYAML **err_rc)
3501 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3502 char val[LNET_MAX_STR_LEN];
3503 int sen = -1, l_errno = 0;
3504 char err_str[LNET_MAX_STR_LEN];
3506 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3508 rc = read_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
3512 snprintf(err_str, sizeof(err_str),
3513 "\"cannot get health sensitivity: %d\"", rc);
3518 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3519 "health_sensitivity", sen, show_rc,
3523 int lustre_lnet_show_rtr_sensitivity(int seq_no, struct cYAML **show_rc,
3524 struct cYAML **err_rc)
3526 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3527 char val[LNET_MAX_STR_LEN];
3528 int sen = -1, l_errno = 0;
3529 char err_str[LNET_MAX_STR_LEN];
3531 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3533 rc = read_sysfs_file(modparam_path, "router_sensitivity_percentage", val,
3537 snprintf(err_str, sizeof(err_str),
3538 "\"cannot get router sensitivity percentage: %d\"", rc);
3543 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3544 "router_sensitivity", sen, show_rc,
3548 int lustre_lnet_show_transaction_to(int seq_no, struct cYAML **show_rc,
3549 struct cYAML **err_rc)
3551 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3552 char val[LNET_MAX_STR_LEN];
3553 int tto = -1, l_errno = 0;
3554 char err_str[LNET_MAX_STR_LEN];
3556 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3558 rc = read_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
3562 snprintf(err_str, sizeof(err_str),
3563 "\"cannot get transaction timeout: %d\"", rc);
3568 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3569 "transaction_timeout", tto, show_rc,
3573 int lustre_lnet_show_retry_count(int seq_no, struct cYAML **show_rc,
3574 struct cYAML **err_rc)
3576 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3577 char val[LNET_MAX_STR_LEN];
3578 int retry_count = -1, l_errno = 0;
3579 char err_str[LNET_MAX_STR_LEN];
3581 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3583 rc = read_sysfs_file(modparam_path, "lnet_retry_count", val,
3587 snprintf(err_str, sizeof(err_str),
3588 "\"cannot get retry count: %d\"", rc);
3590 retry_count = atoi(val);
3593 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3594 "retry_count", retry_count, show_rc,
3598 int show_recovery_queue(enum lnet_health_type type, char *name, int seq_no,
3599 struct cYAML **show_rc, struct cYAML **err_rc)
3601 struct lnet_ioctl_recovery_list nid_list;
3602 struct cYAML *root = NULL, *nids = NULL;
3604 char err_str[LNET_MAX_STR_LEN];
3606 snprintf(err_str, sizeof(err_str), "failed to print recovery queue\n");
3608 LIBCFS_IOC_INIT_V2(nid_list, rlst_hdr);
3609 nid_list.rlst_type = type;
3611 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_RECOVERY_QUEUE, &nid_list);
3617 if (nid_list.rlst_num_nids == 0)
3620 root = cYAML_create_object(NULL, NULL);
3624 nids = cYAML_create_object(root, name);
3630 for (i = 0; i < nid_list.rlst_num_nids; i++) {
3631 char nidenum[LNET_MAX_STR_LEN];
3632 snprintf(nidenum, sizeof(nidenum), "nid-%d", i);
3633 if (!cYAML_create_string(nids, nidenum,
3634 libcfs_nid2str(nid_list.rlst_nid_array[i])))
3638 snprintf(err_str, sizeof(err_str), "success\n");
3643 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3644 cYAML_free_tree(root);
3645 } else if (show_rc != NULL && *show_rc != NULL) {
3646 struct cYAML *show_node;
3647 /* find the net node, if one doesn't exist
3648 * then insert one. Otherwise add to the one there
3650 show_node = cYAML_get_object_item(*show_rc, name);
3651 if (show_node != NULL && cYAML_is_sequence(show_node)) {
3652 cYAML_insert_child(show_node, nids);
3655 } else if (show_node == NULL) {
3656 cYAML_insert_sibling((*show_rc)->cy_child,
3660 cYAML_free_tree(root);
3666 cYAML_build_error(rc, seq_no, SHOW_CMD, name, err_str, err_rc);
3671 int lustre_lnet_show_local_ni_recovq(int seq_no, struct cYAML **show_rc,
3672 struct cYAML **err_rc)
3674 return show_recovery_queue(LNET_HEALTH_TYPE_LOCAL_NI, "local NI recovery",
3675 seq_no, show_rc, err_rc);
3678 int lustre_lnet_show_peer_ni_recovq(int seq_no, struct cYAML **show_rc,
3679 struct cYAML **err_rc)
3681 return show_recovery_queue(LNET_HEALTH_TYPE_PEER_NI, "peer NI recovery",
3682 seq_no, show_rc, err_rc);
3685 int lustre_lnet_show_max_intf(int seq_no, struct cYAML **show_rc,
3686 struct cYAML **err_rc)
3688 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3689 char val[LNET_MAX_STR_LEN];
3690 int max_intf = -1, l_errno = 0;
3691 char err_str[LNET_MAX_STR_LEN];
3693 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3695 rc = read_sysfs_file(modparam_path, "lnet_interfaces_max", val,
3699 snprintf(err_str, sizeof(err_str),
3700 "\"cannot get max interfaces: %d\"", rc);
3702 max_intf = atoi(val);
3705 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3706 "max_intf", max_intf, show_rc,
3710 int lustre_lnet_show_discovery(int seq_no, struct cYAML **show_rc,
3711 struct cYAML **err_rc)
3713 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3714 char val[LNET_MAX_STR_LEN];
3715 int discovery = -1, l_errno = 0;
3716 char err_str[LNET_MAX_STR_LEN];
3718 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3720 rc = read_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
3724 snprintf(err_str, sizeof(err_str),
3725 "\"cannot get discovery setting: %d\"", rc);
3728 * The kernel stores a discovery disabled value. User space
3729 * shows whether discovery is enabled. So the value must be
3732 discovery = !atoi(val);
3735 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3736 "discovery", discovery, show_rc,
3740 int lustre_lnet_show_drop_asym_route(int seq_no, struct cYAML **show_rc,
3741 struct cYAML **err_rc)
3743 int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3744 char val[LNET_MAX_STR_LEN];
3745 int drop_asym_route = -1, l_errno = 0;
3746 char err_str[LNET_MAX_STR_LEN];
3748 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3750 rc = read_sysfs_file(modparam_path, "lnet_drop_asym_route", val,
3754 snprintf(err_str, sizeof(err_str),
3755 "\"cannot get drop asym route setting: %d\"", rc);
3757 drop_asym_route = atoi(val);
3760 return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
3761 "drop_asym_route", drop_asym_route,
3762 show_rc, err_rc, l_errno);
3765 int lustre_lnet_show_numa_range(int seq_no, struct cYAML **show_rc,
3766 struct cYAML **err_rc)
3768 return ioctl_show_global_values(IOC_LIBCFS_GET_NUMA_RANGE, seq_no,
3769 "numa_range", show_rc, err_rc);
3772 int lustre_lnet_show_stats(int seq_no, struct cYAML **show_rc,
3773 struct cYAML **err_rc)
3775 struct lnet_ioctl_lnet_stats data;
3776 struct lnet_counters *cntrs;
3779 char err_str[LNET_MAX_STR_LEN];
3780 struct cYAML *root = NULL, *stats = NULL;
3782 snprintf(err_str, sizeof(err_str), "\"out of memory\"");
3784 LIBCFS_IOC_INIT_V2(data, st_hdr);
3786 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_LNET_STATS, &data);
3791 "\"cannot get lnet statistics: %s\"",
3797 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
3799 cntrs = &data.st_cntrs;
3801 root = cYAML_create_object(NULL, NULL);
3805 stats = cYAML_create_object(root, "statistics");
3809 if (!cYAML_create_number(stats, "msgs_alloc",
3810 cntrs->lct_common.lcc_msgs_alloc))
3813 if (!cYAML_create_number(stats, "msgs_max",
3814 cntrs->lct_common.lcc_msgs_max))
3817 if (!cYAML_create_number(stats, "rst_alloc",
3818 cntrs->lct_health.lch_rst_alloc))
3821 if (!cYAML_create_number(stats, "errors",
3822 cntrs->lct_common.lcc_errors))
3825 if (!cYAML_create_number(stats, "send_count",
3826 cntrs->lct_common.lcc_send_count))
3829 if (!cYAML_create_number(stats, "resend_count",
3830 cntrs->lct_health.lch_resend_count))
3833 if (!cYAML_create_number(stats, "response_timeout_count",
3834 cntrs->lct_health.lch_response_timeout_count))
3837 if (!cYAML_create_number(stats, "local_interrupt_count",
3838 cntrs->lct_health.lch_local_interrupt_count))
3841 if (!cYAML_create_number(stats, "local_dropped_count",
3842 cntrs->lct_health.lch_local_dropped_count))
3845 if (!cYAML_create_number(stats, "local_aborted_count",
3846 cntrs->lct_health.lch_local_aborted_count))
3849 if (!cYAML_create_number(stats, "local_no_route_count",
3850 cntrs->lct_health.lch_local_no_route_count))
3853 if (!cYAML_create_number(stats, "local_timeout_count",
3854 cntrs->lct_health.lch_local_timeout_count))
3857 if (!cYAML_create_number(stats, "local_error_count",
3858 cntrs->lct_health.lch_local_error_count))
3861 if (!cYAML_create_number(stats, "remote_dropped_count",
3862 cntrs->lct_health.lch_remote_dropped_count))
3865 if (!cYAML_create_number(stats, "remote_error_count",
3866 cntrs->lct_health.lch_remote_error_count))
3869 if (!cYAML_create_number(stats, "remote_timeout_count",
3870 cntrs->lct_health.lch_remote_timeout_count))
3873 if (!cYAML_create_number(stats, "network_timeout_count",
3874 cntrs->lct_health.lch_network_timeout_count))
3877 if (!cYAML_create_number(stats, "recv_count",
3878 cntrs->lct_common.lcc_recv_count))
3881 if (!cYAML_create_number(stats, "route_count",
3882 cntrs->lct_common.lcc_route_count))
3885 if (!cYAML_create_number(stats, "drop_count",
3886 cntrs->lct_common.lcc_drop_count))
3889 if (!cYAML_create_number(stats, "send_length",
3890 cntrs->lct_common.lcc_send_length))
3893 if (!cYAML_create_number(stats, "recv_length",
3894 cntrs->lct_common.lcc_recv_length))
3897 if (!cYAML_create_number(stats, "route_length",
3898 cntrs->lct_common.lcc_route_length))
3901 if (!cYAML_create_number(stats, "drop_length",
3902 cntrs->lct_common.lcc_drop_length))
3906 cYAML_print_tree(root);
3908 snprintf(err_str, sizeof(err_str), "\"success\"");
3909 rc = LUSTRE_CFG_RC_NO_ERR;
3911 if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
3912 cYAML_free_tree(root);
3913 } else if (show_rc != NULL && *show_rc != NULL) {
3914 cYAML_insert_sibling((*show_rc)->cy_child,
3921 cYAML_build_error(rc, seq_no, SHOW_CMD, "statistics", err_str, err_rc);
3926 typedef int (*cmd_handler_t)(struct cYAML *tree,
3927 struct cYAML **show_rc,
3928 struct cYAML **err_rc);
3930 static int handle_yaml_config_route(struct cYAML *tree, struct cYAML **show_rc,
3931 struct cYAML **err_rc)
3933 struct cYAML *net, *gw, *hop, *prio, *seq_no;
3935 net = cYAML_get_object_item(tree, "net");
3936 gw = cYAML_get_object_item(tree, "gateway");
3937 hop = cYAML_get_object_item(tree, "hop");
3938 prio = cYAML_get_object_item(tree, "priority");
3939 seq_no = cYAML_get_object_item(tree, "seq_no");
3941 return lustre_lnet_config_route((net) ? net->cy_valuestring : NULL,
3942 (gw) ? gw->cy_valuestring : NULL,
3943 (hop) ? hop->cy_valueint : -1,
3944 (prio) ? prio->cy_valueint : -1,
3945 (seq_no) ? seq_no->cy_valueint : -1,
3949 static void yaml_free_string_array(char **array, int num)
3952 char **sub_array = array;
3954 for (i = 0; i < num; i++) {
3955 if (*sub_array != NULL)
3965 * 0: <intf_name>['['<expr>']']
3966 * 1: <intf_name>['['<expr>']']
3968 static int yaml_copy_intf_info(struct cYAML *intf_tree,
3969 struct lnet_dlc_network_descr *nw_descr)
3971 struct cYAML *child = NULL;
3972 int intf_num = 0, rc = LUSTRE_CFG_RC_NO_ERR;
3973 struct lnet_dlc_intf_descr *intf_descr, *tmp;
3975 if (intf_tree == NULL || nw_descr == NULL)
3976 return LUSTRE_CFG_RC_BAD_PARAM;
3978 /* now grab all the interfaces and their cpts */
3979 child = intf_tree->cy_child;
3980 while (child != NULL) {
3981 if (child->cy_valuestring == NULL) {
3982 child = child->cy_next;
3986 if (strlen(child->cy_valuestring) >= LNET_MAX_STR_LEN)
3989 rc = lustre_lnet_add_intf_descr(&nw_descr->nw_intflist,
3990 child->cy_valuestring,
3991 strlen(child->cy_valuestring));
3992 if (rc != LUSTRE_CFG_RC_NO_ERR)
3996 child = child->cy_next;
4000 return LUSTRE_CFG_RC_MISSING_PARAM;
4005 list_for_each_entry_safe(intf_descr, tmp, &nw_descr->nw_intflist,
4007 list_del(&intf_descr->intf_on_network);
4008 free_intf_descr(intf_descr);
4015 yaml_extract_cmn_tunables(struct cYAML *tree,
4016 struct lnet_ioctl_config_lnd_cmn_tunables *tunables,
4017 struct cfs_expr_list **global_cpts)
4019 struct cYAML *tun, *item, *smp;
4022 tun = cYAML_get_object_item(tree, "tunables");
4024 item = cYAML_get_object_item(tun, "peer_timeout");
4026 tunables->lct_peer_timeout = item->cy_valueint;
4027 item = cYAML_get_object_item(tun, "peer_credits");
4029 tunables->lct_peer_tx_credits = item->cy_valueint;
4030 item = cYAML_get_object_item(tun, "peer_buffer_credits");
4032 tunables->lct_peer_rtr_credits = item->cy_valueint;
4033 item = cYAML_get_object_item(tun, "credits");
4035 tunables->lct_max_tx_credits = item->cy_valueint;
4036 smp = cYAML_get_object_item(tun, "CPT");
4038 rc = cfs_expr_list_parse(smp->cy_valuestring,
4039 strlen(smp->cy_valuestring),
4040 0, UINT_MAX, global_cpts);
4042 *global_cpts = NULL;
4052 yaml_extract_tunables(struct cYAML *tree,
4053 struct lnet_ioctl_config_lnd_tunables *tunables,
4054 struct cfs_expr_list **global_cpts,
4059 rc = yaml_extract_cmn_tunables(tree, &tunables->lt_cmn,
4065 lustre_yaml_extract_lnd_tunables(tree, net_type,
4073 * - net type: <net>[<NUM>]
4075 * - nid: <ip>@<net>[<NUM>]
4078 * 0: <intf_name>['['<expr>']']
4079 * 1: <intf_name>['['<expr>']']
4081 * peer_timeout: <NUM>
4082 * peer_credits: <NUM>
4083 * peer_buffer_credits: <NUM>
4086 * peercredits_hiw: <NUM>
4087 * map_on_demand: <NUM>
4088 * concurrent_sends: <NUM>
4089 * fmr_pool_size: <NUM>
4090 * fmr_flush_trigger: <NUM>
4093 * At least one interface is required. If no interfaces are provided the
4094 * network interface can not be configured.
4096 static int handle_yaml_config_ni(struct cYAML *tree, struct cYAML **show_rc,
4097 struct cYAML **err_rc)
4099 struct cYAML *net, *intf, *seq_no, *ip2net = NULL, *local_nis = NULL,
4101 int num_entries = 0, rc;
4102 struct lnet_dlc_network_descr nw_descr;
4103 struct cfs_expr_list *global_cpts = NULL;
4104 struct lnet_ioctl_config_lnd_tunables tunables;
4107 memset(&tunables, 0, sizeof(tunables));
4109 INIT_LIST_HEAD(&nw_descr.network_on_rule);
4110 INIT_LIST_HEAD(&nw_descr.nw_intflist);
4112 ip2net = cYAML_get_object_item(tree, "ip2net");
4113 net = cYAML_get_object_item(tree, "net type");
4115 nw_descr.nw_id = libcfs_str2net(net->cy_valuestring);
4117 nw_descr.nw_id = LOLND;
4120 * if neither net nor ip2nets are present, then we can not
4121 * configure the network.
4123 if (!net && !ip2net)
4124 return LUSTRE_CFG_RC_MISSING_PARAM;
4126 local_nis = cYAML_get_object_item(tree, "local NI(s)");
4127 if (local_nis == NULL)
4128 return LUSTRE_CFG_RC_MISSING_PARAM;
4130 if (!cYAML_is_sequence(local_nis))
4131 return LUSTRE_CFG_RC_BAD_PARAM;
4133 while (cYAML_get_next_seq_item(local_nis, &item) != NULL) {
4134 intf = cYAML_get_object_item(item, "interfaces");
4137 num_entries = yaml_copy_intf_info(intf, &nw_descr);
4138 if (num_entries <= 0) {
4139 cYAML_build_error(num_entries, -1, "ni", "add",
4140 "bad interface list",
4142 return LUSTRE_CFG_RC_BAD_PARAM;
4146 found = yaml_extract_tunables(tree, &tunables, &global_cpts,
4147 LNET_NETTYP(nw_descr.nw_id));
4148 seq_no = cYAML_get_object_item(tree, "seq_no");
4150 rc = lustre_lnet_config_ni(&nw_descr,
4152 (ip2net) ? ip2net->cy_valuestring : NULL,
4153 (found) ? &tunables: NULL,
4154 (seq_no) ? seq_no->cy_valueint : -1,
4157 if (global_cpts != NULL)
4158 cfs_expr_list_free(global_cpts);
4165 * - net-spec: <tcp|o2ib|gni>[NUM]
4167 * 0: <intf name>['['<expr>']']
4168 * 1: <intf name>['['<expr>']']
4170 * 0: <expr.expr.expr.expr>
4171 * 1: <expr.expr.expr.expr>
4173 static int handle_yaml_config_ip2nets(struct cYAML *tree,
4174 struct cYAML **show_rc,
4175 struct cYAML **err_rc)
4177 struct cYAML *net, *ip_range, *item = NULL, *intf = NULL,
4179 struct lustre_lnet_ip2nets ip2nets;
4180 struct lustre_lnet_ip_range_descr *ip_range_descr = NULL,
4182 int rc = LUSTRE_CFG_RC_NO_ERR;
4183 struct cfs_expr_list *global_cpts = NULL;
4184 struct cfs_expr_list *el, *el_tmp;
4185 struct lnet_ioctl_config_lnd_tunables tunables;
4186 struct lnet_dlc_intf_descr *intf_descr, *intf_tmp;
4189 memset(&tunables, 0, sizeof(tunables));
4191 /* initialize all lists */
4192 INIT_LIST_HEAD(&ip2nets.ip2nets_ip_ranges);
4193 INIT_LIST_HEAD(&ip2nets.ip2nets_net.network_on_rule);
4194 INIT_LIST_HEAD(&ip2nets.ip2nets_net.nw_intflist);
4196 net = cYAML_get_object_item(tree, "net-spec");
4198 return LUSTRE_CFG_RC_BAD_PARAM;
4200 if (net != NULL && net->cy_valuestring == NULL)
4201 return LUSTRE_CFG_RC_BAD_PARAM;
4203 /* assign the network id */
4204 ip2nets.ip2nets_net.nw_id = libcfs_str2net(net->cy_valuestring);
4205 if (ip2nets.ip2nets_net.nw_id == LNET_NID_ANY)
4206 return LUSTRE_CFG_RC_BAD_PARAM;
4208 seq_no = cYAML_get_object_item(tree, "seq_no");
4210 intf = cYAML_get_object_item(tree, "interfaces");
4212 rc = yaml_copy_intf_info(intf, &ip2nets.ip2nets_net);
4214 return LUSTRE_CFG_RC_BAD_PARAM;
4217 ip_range = cYAML_get_object_item(tree, "ip-range");
4218 if (ip_range != NULL) {
4219 item = ip_range->cy_child;
4220 while (item != NULL) {
4221 if (item->cy_valuestring == NULL) {
4222 item = item->cy_next;
4226 rc = lustre_lnet_add_ip_range(&ip2nets.ip2nets_ip_ranges,
4227 item->cy_valuestring);
4229 if (rc != LUSTRE_CFG_RC_NO_ERR)
4232 item = item->cy_next;
4236 found = yaml_extract_tunables(tree, &tunables, &global_cpts,
4237 LNET_NETTYP(ip2nets.ip2nets_net.nw_id));
4239 rc = lustre_lnet_config_ip2nets(&ip2nets,
4240 (found) ? &tunables : NULL,
4242 (seq_no) ? seq_no->cy_valueint : -1,
4246 * don't stop because there was no match. Continue processing the
4247 * rest of the rules. If non-match then nothing is configured
4249 if (rc == LUSTRE_CFG_RC_NO_MATCH)
4250 rc = LUSTRE_CFG_RC_NO_ERR;
4252 list_for_each_entry_safe(intf_descr, intf_tmp,
4253 &ip2nets.ip2nets_net.nw_intflist,
4255 list_del(&intf_descr->intf_on_network);
4256 free_intf_descr(intf_descr);
4259 list_for_each_entry_safe(ip_range_descr, tmp,
4260 &ip2nets.ip2nets_ip_ranges,
4262 list_del(&ip_range_descr->ipr_entry);
4263 list_for_each_entry_safe(el, el_tmp, &ip_range_descr->ipr_expr,
4265 list_del(&el->el_link);
4266 cfs_expr_list_free(el);
4268 free(ip_range_descr);
4274 static int handle_yaml_del_ni(struct cYAML *tree, struct cYAML **show_rc,
4275 struct cYAML **err_rc)
4277 struct cYAML *net = NULL, *intf = NULL, *seq_no = NULL, *item = NULL,
4279 int num_entries, rc;
4280 struct lnet_dlc_network_descr nw_descr;
4282 INIT_LIST_HEAD(&nw_descr.network_on_rule);
4283 INIT_LIST_HEAD(&nw_descr.nw_intflist);
4285 net = cYAML_get_object_item(tree, "net type");
4287 nw_descr.nw_id = libcfs_str2net(net->cy_valuestring);
4289 local_nis = cYAML_get_object_item(tree, "local NI(s)");
4290 if (local_nis == NULL)
4291 return LUSTRE_CFG_RC_MISSING_PARAM;
4293 if (!cYAML_is_sequence(local_nis))
4294 return LUSTRE_CFG_RC_BAD_PARAM;
4296 while (cYAML_get_next_seq_item(local_nis, &item) != NULL) {
4297 intf = cYAML_get_object_item(item, "interfaces");
4300 num_entries = yaml_copy_intf_info(intf, &nw_descr);
4301 if (num_entries <= 0) {
4302 cYAML_build_error(num_entries, -1, "ni", "add",
4303 "bad interface list",
4305 return LUSTRE_CFG_RC_BAD_PARAM;
4309 seq_no = cYAML_get_object_item(tree, "seq_no");
4311 rc = lustre_lnet_del_ni((net) ? &nw_descr : NULL,
4312 (seq_no) ? seq_no->cy_valueint : -1,
4318 static int yaml_copy_peer_nids(struct cYAML *nids_entry, char ***nidsppp,
4319 char *prim_nid, bool del)
4321 struct cYAML *child = NULL, *entry = NULL;
4323 int num = 0, rc = LUSTRE_CFG_RC_NO_ERR;
4325 if (cYAML_is_sequence(nids_entry)) {
4326 while (cYAML_get_next_seq_item(nids_entry, &child)) {
4327 entry = cYAML_get_object_item(child, "nid");
4328 /* don't count an empty entry */
4329 if (!entry || !entry->cy_valuestring)
4333 (strcmp(entry->cy_valuestring, prim_nid)
4336 * primary nid is present in the list of
4337 * nids so that means we want to delete
4338 * the entire peer, so no need to go
4339 * further. Just delete the entire peer.
4349 return LUSTRE_CFG_RC_MISSING_PARAM;
4351 nids = calloc(sizeof(*nids), num);
4353 return LUSTRE_CFG_RC_OUT_OF_MEM;
4355 /* now grab all the nids */
4358 while (cYAML_get_next_seq_item(nids_entry, &child)) {
4359 entry = cYAML_get_object_item(child, "nid");
4360 if (!entry || !entry->cy_valuestring)
4363 nids[num] = strdup(entry->cy_valuestring);
4365 rc = LUSTRE_CFG_RC_OUT_OF_MEM;
4377 yaml_free_string_array(nids, num);
4382 static int handle_yaml_config_peer(struct cYAML *tree, struct cYAML **show_rc,
4383 struct cYAML **err_rc)
4387 struct cYAML *seq_no, *prim_nid, *mr, *ip2nets, *peer_nis;
4388 char err_str[LNET_MAX_STR_LEN];
4391 seq_no = cYAML_get_object_item(tree, "seq_no");
4392 prim_nid = cYAML_get_object_item(tree, "primary nid");
4393 mr = cYAML_get_object_item(tree, "Multi-Rail");
4394 ip2nets = cYAML_get_object_item(tree, "ip2nets");
4395 peer_nis = cYAML_get_object_item(tree, "peer ni");
4397 if (ip2nets && (prim_nid || peer_nis)) {
4398 rc = LUSTRE_CFG_RC_BAD_PARAM;
4399 snprintf(err_str, sizeof(err_str),
4400 "ip2nets can not be specified along side prim_nid"
4401 " or peer ni fields");
4402 cYAML_build_error(rc, (seq_no) ? seq_no->cy_valueint : -1,
4403 ADD_CMD, "peer", err_str, err_rc);
4410 if (!mr->cy_valuestring || !strcmp(mr->cy_valuestring, "True"))
4412 else if (!strcmp(mr->cy_valuestring, "False"))
4415 rc = LUSTRE_CFG_RC_BAD_PARAM;
4416 snprintf(err_str, sizeof(err_str), "Bad MR value");
4417 cYAML_build_error(rc, (seq_no) ? seq_no->cy_valueint : -1,
4418 ADD_CMD, "peer", err_str, err_rc);
4423 num = yaml_copy_peer_nids((ip2nets) ? ip2nets : peer_nis, &nids,
4424 (prim_nid) ? prim_nid->cy_valuestring : NULL,
4428 snprintf(err_str, sizeof(err_str),
4429 "error copying nids from YAML block");
4430 cYAML_build_error(num, (seq_no) ? seq_no->cy_valueint : -1,
4431 ADD_CMD, "peer", err_str, err_rc);
4435 rc = lustre_lnet_config_peer_nid((prim_nid) ? prim_nid->cy_valuestring : NULL,
4436 nids, num, mr_value,
4437 (ip2nets) ? true : false,
4438 (seq_no) ? seq_no->cy_valueint : -1,
4441 yaml_free_string_array(nids, num);
4445 static int handle_yaml_del_peer(struct cYAML *tree, struct cYAML **show_rc,
4446 struct cYAML **err_rc)
4450 struct cYAML *seq_no, *prim_nid, *ip2nets, *peer_nis;
4451 char err_str[LNET_MAX_STR_LEN];
4453 seq_no = cYAML_get_object_item(tree, "seq_no");
4454 prim_nid = cYAML_get_object_item(tree, "primary nid");
4455 ip2nets = cYAML_get_object_item(tree, "ip2nets");
4456 peer_nis = cYAML_get_object_item(tree, "peer ni");
4458 if (ip2nets && (prim_nid || peer_nis)) {
4459 rc = LUSTRE_CFG_RC_BAD_PARAM;
4460 snprintf(err_str, sizeof(err_str),
4461 "ip2nets can not be specified along side prim_nid"
4462 " or peer ni fields");
4463 cYAML_build_error(rc, (seq_no) ? seq_no->cy_valueint : -1,
4464 DEL_CMD, "peer", err_str, err_rc);
4468 num = yaml_copy_peer_nids((ip2nets) ? ip2nets : peer_nis , &nids,
4469 (prim_nid) ? prim_nid->cy_valuestring : NULL,
4472 snprintf(err_str, sizeof(err_str),
4473 "error copying nids from YAML block");
4474 cYAML_build_error(num, (seq_no) ? seq_no->cy_valueint : -1,
4475 ADD_CMD, "peer", err_str, err_rc);
4479 rc = lustre_lnet_del_peer_nid((prim_nid) ? prim_nid->cy_valuestring : NULL,
4480 nids, num, (ip2nets) ? true : false,
4481 (seq_no) ? seq_no->cy_valueint : -1,
4484 yaml_free_string_array(nids, num);
4488 static int handle_yaml_config_buffers(struct cYAML *tree,
4489 struct cYAML **show_rc,
4490 struct cYAML **err_rc)
4493 struct cYAML *tiny, *small, *large, *seq_no;
4495 tiny = cYAML_get_object_item(tree, "tiny");
4496 small = cYAML_get_object_item(tree, "small");
4497 large = cYAML_get_object_item(tree, "large");
4498 seq_no = cYAML_get_object_item(tree, "seq_no");
4500 rc = lustre_lnet_config_buffers((tiny) ? tiny->cy_valueint : -1,
4501 (small) ? small->cy_valueint : -1,
4502 (large) ? large->cy_valueint : -1,
4503 (seq_no) ? seq_no->cy_valueint : -1,
4509 static int handle_yaml_config_routing(struct cYAML *tree,
4510 struct cYAML **show_rc,
4511 struct cYAML **err_rc)
4513 int rc = LUSTRE_CFG_RC_NO_ERR;
4514 struct cYAML *seq_no, *enable;
4516 seq_no = cYAML_get_object_item(tree, "seq_no");
4517 enable = cYAML_get_object_item(tree, "enable");
4520 rc = lustre_lnet_enable_routing(enable->cy_valueint,
4522 seq_no->cy_valueint : -1,
4529 static int handle_yaml_del_route(struct cYAML *tree, struct cYAML **show_rc,
4530 struct cYAML **err_rc)
4534 struct cYAML *seq_no;
4536 net = cYAML_get_object_item(tree, "net");
4537 gw = cYAML_get_object_item(tree, "gateway");
4538 seq_no = cYAML_get_object_item(tree, "seq_no");
4540 return lustre_lnet_del_route((net) ? net->cy_valuestring : NULL,
4541 (gw) ? gw->cy_valuestring : NULL,
4542 (seq_no) ? seq_no->cy_valueint : -1,
4546 static int handle_yaml_del_routing(struct cYAML *tree, struct cYAML **show_rc,
4547 struct cYAML **err_rc)
4549 struct cYAML *seq_no;
4551 seq_no = cYAML_get_object_item(tree, "seq_no");
4553 return lustre_lnet_enable_routing(0, (seq_no) ?
4554 seq_no->cy_valueint : -1,
4558 static int handle_yaml_show_route(struct cYAML *tree, struct cYAML **show_rc,
4559 struct cYAML **err_rc)
4565 struct cYAML *detail;
4566 struct cYAML *seq_no;
4568 net = cYAML_get_object_item(tree, "net");
4569 gw = cYAML_get_object_item(tree, "gateway");
4570 hop = cYAML_get_object_item(tree, "hop");
4571 prio = cYAML_get_object_item(tree, "priority");
4572 detail = cYAML_get_object_item(tree, "detail");
4573 seq_no = cYAML_get_object_item(tree, "seq_no");
4575 return lustre_lnet_show_route((net) ? net->cy_valuestring : NULL,
4576 (gw) ? gw->cy_valuestring : NULL,
4577 (hop) ? hop->cy_valueint : -1,
4578 (prio) ? prio->cy_valueint : -1,
4579 (detail) ? detail->cy_valueint : 0,
4580 (seq_no) ? seq_no->cy_valueint : -1,
4581 show_rc, err_rc, false);
4584 static int handle_yaml_show_net(struct cYAML *tree, struct cYAML **show_rc,
4585 struct cYAML **err_rc)
4587 struct cYAML *net, *detail, *seq_no;
4589 net = cYAML_get_object_item(tree, "net");
4590 detail = cYAML_get_object_item(tree, "detail");
4591 seq_no = cYAML_get_object_item(tree, "seq_no");
4593 return lustre_lnet_show_net((net) ? net->cy_valuestring : NULL,
4594 (detail) ? detail->cy_valueint : 0,
4595 (seq_no) ? seq_no->cy_valueint : -1,
4596 show_rc, err_rc, false);
4599 static int handle_yaml_show_routing(struct cYAML *tree, struct cYAML **show_rc,
4600 struct cYAML **err_rc)
4602 struct cYAML *seq_no;
4604 seq_no = cYAML_get_object_item(tree, "seq_no");
4606 return lustre_lnet_show_routing((seq_no) ? seq_no->cy_valueint : -1,
4607 show_rc, err_rc, false);
4610 static int handle_yaml_show_peers(struct cYAML *tree, struct cYAML **show_rc,
4611 struct cYAML **err_rc)
4613 struct cYAML *seq_no, *nid, *detail;
4615 seq_no = cYAML_get_object_item(tree, "seq_no");
4616 detail = cYAML_get_object_item(tree, "detail");
4617 nid = cYAML_get_object_item(tree, "nid");
4619 return lustre_lnet_show_peer((nid) ? nid->cy_valuestring : NULL,
4620 (detail) ? detail->cy_valueint : 0,
4621 (seq_no) ? seq_no->cy_valueint : -1,
4622 show_rc, err_rc, false);
4625 static int handle_yaml_show_stats(struct cYAML *tree, struct cYAML **show_rc,
4626 struct cYAML **err_rc)
4628 struct cYAML *seq_no;
4630 seq_no = cYAML_get_object_item(tree, "seq_no");
4632 return lustre_lnet_show_stats((seq_no) ? seq_no->cy_valueint : -1,
4636 static int handle_yaml_config_numa(struct cYAML *tree, struct cYAML **show_rc,
4637 struct cYAML **err_rc)
4639 struct cYAML *seq_no, *range;
4641 seq_no = cYAML_get_object_item(tree, "seq_no");
4642 range = cYAML_get_object_item(tree, "range");
4644 return lustre_lnet_config_numa_range(range ? range->cy_valueint : -1,
4645 seq_no ? seq_no->cy_valueint : -1,
4649 static int handle_yaml_del_numa(struct cYAML *tree, struct cYAML **show_rc,
4650 struct cYAML **err_rc)
4652 struct cYAML *seq_no;
4654 seq_no = cYAML_get_object_item(tree, "seq_no");
4656 return lustre_lnet_config_numa_range(0, seq_no ? seq_no->cy_valueint : -1,
4660 static int handle_yaml_show_numa(struct cYAML *tree, struct cYAML **show_rc,
4661 struct cYAML **err_rc)
4663 struct cYAML *seq_no;
4665 seq_no = cYAML_get_object_item(tree, "seq_no");
4667 return lustre_lnet_show_numa_range(seq_no ? seq_no->cy_valueint : -1,
4671 static int handle_yaml_config_global_settings(struct cYAML *tree,
4672 struct cYAML **show_rc,
4673 struct cYAML **err_rc)
4675 struct cYAML *max_intf, *numa, *discovery, *retry, *tto, *seq_no,
4676 *sen, *recov, *rsen, *drop_asym_route;
4679 seq_no = cYAML_get_object_item(tree, "seq_no");
4680 max_intf = cYAML_get_object_item(tree, "max_intf");
4682 rc = lustre_lnet_config_max_intf(max_intf->cy_valueint,
4683 seq_no ? seq_no->cy_valueint
4687 numa = cYAML_get_object_item(tree, "numa_range");
4689 rc = lustre_lnet_config_numa_range(numa->cy_valueint,
4690 seq_no ? seq_no->cy_valueint
4694 discovery = cYAML_get_object_item(tree, "discovery");
4696 rc = lustre_lnet_config_discovery(discovery->cy_valueint,
4697 seq_no ? seq_no->cy_valueint
4701 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4702 if (drop_asym_route)
4703 rc = lustre_lnet_config_drop_asym_route(
4704 drop_asym_route->cy_valueint,
4705 seq_no ? seq_no->cy_valueint : -1,
4708 retry = cYAML_get_object_item(tree, "retry_count");
4710 rc = lustre_lnet_config_retry_count(retry->cy_valueint,
4711 seq_no ? seq_no->cy_valueint
4715 tto = cYAML_get_object_item(tree, "transaction_timeout");
4717 rc = lustre_lnet_config_transaction_to(tto->cy_valueint,
4718 seq_no ? seq_no->cy_valueint
4722 sen = cYAML_get_object_item(tree, "health_sensitivity");
4724 rc = lustre_lnet_config_hsensitivity(sen->cy_valueint,
4725 seq_no ? seq_no->cy_valueint
4729 recov = cYAML_get_object_item(tree, "recovery_interval");
4731 rc = lustre_lnet_config_recov_intrv(recov->cy_valueint,
4732 seq_no ? seq_no->cy_valueint
4736 rsen = cYAML_get_object_item(tree, "router_sensitivity");
4738 rc = lustre_lnet_config_rtr_sensitivity(rsen->cy_valueint,
4739 seq_no ? seq_no->cy_valueint
4746 static int handle_yaml_del_global_settings(struct cYAML *tree,
4747 struct cYAML **show_rc,
4748 struct cYAML **err_rc)
4750 struct cYAML *max_intf, *numa, *discovery, *seq_no, *drop_asym_route;
4753 seq_no = cYAML_get_object_item(tree, "seq_no");
4754 max_intf = cYAML_get_object_item(tree, "max_intf");
4756 rc = lustre_lnet_config_max_intf(LNET_INTERFACES_MAX_DEFAULT,
4757 seq_no ? seq_no->cy_valueint
4761 numa = cYAML_get_object_item(tree, "numa_range");
4763 rc = lustre_lnet_config_numa_range(0,
4764 seq_no ? seq_no->cy_valueint
4768 /* peer discovery is enabled by default */
4769 discovery = cYAML_get_object_item(tree, "discovery");
4771 rc = lustre_lnet_config_discovery(1,
4772 seq_no ? seq_no->cy_valueint
4776 /* asymmetrical route messages are accepted by default */
4777 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4778 if (drop_asym_route)
4779 rc = lustre_lnet_config_drop_asym_route(
4780 0, seq_no ? seq_no->cy_valueint : -1, err_rc);
4785 static int handle_yaml_show_global_settings(struct cYAML *tree,
4786 struct cYAML **show_rc,
4787 struct cYAML **err_rc)
4789 struct cYAML *max_intf, *numa, *discovery, *retry, *tto, *seq_no,
4790 *sen, *recov, *rsen, *drop_asym_route;
4793 seq_no = cYAML_get_object_item(tree, "seq_no");
4794 max_intf = cYAML_get_object_item(tree, "max_intf");
4796 rc = lustre_lnet_show_max_intf(seq_no ? seq_no->cy_valueint
4800 numa = cYAML_get_object_item(tree, "numa_range");
4802 rc = lustre_lnet_show_numa_range(seq_no ? seq_no->cy_valueint
4806 discovery = cYAML_get_object_item(tree, "discovery");
4808 rc = lustre_lnet_show_discovery(seq_no ? seq_no->cy_valueint
4812 drop_asym_route = cYAML_get_object_item(tree, "drop_asym_route");
4813 if (drop_asym_route)
4814 rc = lustre_lnet_show_drop_asym_route(
4815 seq_no ? seq_no->cy_valueint : -1,
4818 retry = cYAML_get_object_item(tree, "retry_count");
4820 rc = lustre_lnet_show_retry_count(seq_no ? seq_no->cy_valueint
4824 tto = cYAML_get_object_item(tree, "transaction_timeout");
4826 rc = lustre_lnet_show_transaction_to(seq_no ? seq_no->cy_valueint
4830 sen = cYAML_get_object_item(tree, "health_sensitivity");
4832 rc = lustre_lnet_show_hsensitivity(seq_no ? seq_no->cy_valueint
4836 recov = cYAML_get_object_item(tree, "recovery_interval");
4838 rc = lustre_lnet_show_recov_intrv(seq_no ? seq_no->cy_valueint
4842 rsen = cYAML_get_object_item(tree, "router_sensitivity");
4844 rc = lustre_lnet_show_hsensitivity(seq_no ? seq_no->cy_valueint
4851 static int handle_yaml_ping(struct cYAML *tree, struct cYAML **show_rc,
4852 struct cYAML **err_rc)
4854 struct cYAML *seq_no, *nid, *timeout;
4856 seq_no = cYAML_get_object_item(tree, "seq_no");
4857 nid = cYAML_get_object_item(tree, "primary nid");
4858 timeout = cYAML_get_object_item(tree, "timeout");
4860 return lustre_lnet_ping_nid((nid) ? nid->cy_valuestring : NULL,
4861 (timeout) ? timeout->cy_valueint : 1000,
4862 (seq_no) ? seq_no->cy_valueint : -1,
4866 static int handle_yaml_discover(struct cYAML *tree, struct cYAML **show_rc,
4867 struct cYAML **err_rc)
4869 struct cYAML *seq_no, *nid, *force;
4871 seq_no = cYAML_get_object_item(tree, "seq_no");
4872 nid = cYAML_get_object_item(tree, "primary nid");
4873 force = cYAML_get_object_item(tree, "force");
4875 return lustre_lnet_discover_nid((nid) ? nid->cy_valuestring : NULL,
4876 (force) ? force->cy_valueint : 0,
4877 (seq_no) ? seq_no->cy_valueint : -1,
4881 static int handle_yaml_no_op()
4883 return LUSTRE_CFG_RC_NO_ERR;
4886 struct lookup_cmd_hdlr_tbl {
4891 static struct lookup_cmd_hdlr_tbl lookup_config_tbl[] = {
4892 { .name = "route", .cb = handle_yaml_config_route },
4893 { .name = "net", .cb = handle_yaml_config_ni },
4894 { .name = "ip2nets", .cb = handle_yaml_config_ip2nets },
4895 { .name = "peer", .cb = handle_yaml_config_peer },
4896 { .name = "routing", .cb = handle_yaml_config_routing },
4897 { .name = "buffers", .cb = handle_yaml_config_buffers },
4898 { .name = "statistics", .cb = handle_yaml_no_op },
4899 { .name = "global", .cb = handle_yaml_config_global_settings},
4900 { .name = "numa", .cb = handle_yaml_config_numa },
4901 { .name = "ping", .cb = handle_yaml_no_op },
4902 { .name = "discover", .cb = handle_yaml_no_op },
4905 static struct lookup_cmd_hdlr_tbl lookup_del_tbl[] = {
4906 { .name = "route", .cb = handle_yaml_del_route },
4907 { .name = "net", .cb = handle_yaml_del_ni },
4908 { .name = "ip2nets", .cb = handle_yaml_no_op },
4909 { .name = "peer", .cb = handle_yaml_del_peer },
4910 { .name = "routing", .cb = handle_yaml_del_routing },
4911 { .name = "buffers", .cb = handle_yaml_no_op },
4912 { .name = "statistics", .cb = handle_yaml_no_op },
4913 { .name = "global", .cb = handle_yaml_del_global_settings},
4914 { .name = "numa", .cb = handle_yaml_del_numa },
4915 { .name = "ping", .cb = handle_yaml_no_op },
4916 { .name = "discover", .cb = handle_yaml_no_op },
4919 static struct lookup_cmd_hdlr_tbl lookup_show_tbl[] = {
4920 { .name = "route", .cb = handle_yaml_show_route },
4921 { .name = "net", .cb = handle_yaml_show_net },
4922 { .name = "peer", .cb = handle_yaml_show_peers },
4923 { .name = "ip2nets", .cb = handle_yaml_no_op },
4924 { .name = "routing", .cb = handle_yaml_show_routing },
4925 { .name = "buffers", .cb = handle_yaml_show_routing },
4926 { .name = "statistics", .cb = handle_yaml_show_stats },
4927 { .name = "global", .cb = handle_yaml_show_global_settings},
4928 { .name = "numa", .cb = handle_yaml_show_numa },
4929 { .name = "ping", .cb = handle_yaml_no_op },
4930 { .name = "discover", .cb = handle_yaml_no_op },
4933 static struct lookup_cmd_hdlr_tbl lookup_exec_tbl[] = {
4934 { .name = "route", .cb = handle_yaml_no_op },
4935 { .name = "net", .cb = handle_yaml_no_op },
4936 { .name = "peer", .cb = handle_yaml_no_op },
4937 { .name = "ip2nets", .cb = handle_yaml_no_op },
4938 { .name = "routing", .cb = handle_yaml_no_op },
4939 { .name = "buffers", .cb = handle_yaml_no_op },
4940 { .name = "statistics", .cb = handle_yaml_no_op },
4941 { .name = "global", .cb = handle_yaml_no_op },
4942 { .name = "numa", .cb = handle_yaml_no_op },
4943 { .name = "ping", .cb = handle_yaml_ping },
4944 { .name = "discover", .cb = handle_yaml_discover },
4947 static cmd_handler_t lookup_fn(char *key,
4948 struct lookup_cmd_hdlr_tbl *tbl)
4954 for (i = 0; tbl[i].name != NULL; i++) {
4955 if (strncmp(key, tbl[i].name, strlen(tbl[i].name)) == 0)
4962 static int lustre_yaml_cb_helper(char *f, struct lookup_cmd_hdlr_tbl *table,
4963 struct cYAML **show_rc, struct cYAML **err_rc)
4965 struct cYAML *tree, *item = NULL, *head, *child;
4967 char err_str[LNET_MAX_STR_LEN];
4968 int rc = LUSTRE_CFG_RC_NO_ERR, return_rc = LUSTRE_CFG_RC_NO_ERR;
4970 tree = cYAML_build_tree(f, NULL, 0, err_rc, false);
4972 return LUSTRE_CFG_RC_BAD_PARAM;
4974 child = tree->cy_child;
4975 while (child != NULL) {
4976 cb = lookup_fn(child->cy_string, table);
4978 snprintf(err_str, sizeof(err_str),
4979 "\"call back for '%s' not found\"",
4981 cYAML_build_error(LUSTRE_CFG_RC_BAD_PARAM, -1,
4982 "yaml", "helper", err_str, err_rc);
4986 if (cYAML_is_sequence(child)) {
4987 while ((head = cYAML_get_next_seq_item(child, &item))
4989 rc = cb(head, show_rc, err_rc);
4990 if (rc != LUSTRE_CFG_RC_NO_ERR)
4994 rc = cb(child, show_rc, err_rc);
4995 if (rc != LUSTRE_CFG_RC_NO_ERR)
4999 child = child->cy_next;
5003 cYAML_free_tree(tree);
5008 int lustre_yaml_config(char *f, struct cYAML **err_rc)
5010 return lustre_yaml_cb_helper(f, lookup_config_tbl,
5014 int lustre_yaml_del(char *f, struct cYAML **err_rc)
5016 return lustre_yaml_cb_helper(f, lookup_del_tbl,
5020 int lustre_yaml_show(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
5022 return lustre_yaml_cb_helper(f, lookup_show_tbl,
5026 int lustre_yaml_exec(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
5028 return lustre_yaml_cb_helper(f, lookup_exec_tbl,