#define DEL_CMD "del"
#define SHOW_CMD "show"
#define DBG_CMD "dbg"
+#define MANAGE_CMD "manage"
#define modparam_path "/sys/module/lnet/parameters/"
return rc;
}
+static int infra_ping_nid(char *ping_nids, char *oper, int param, int ioc_call,
+ int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ void *data = NULL;
+ struct lnet_ioctl_ping_data ping;
+ struct cYAML *root = NULL, *ping_node = NULL, *item = NULL,
+ *first_seq = NULL, *tmp = NULL, *peer_ni = NULL;
+ lnet_process_id_t id;
+ char err_str[LNET_MAX_STR_LEN] = {0};
+ char *sep, *token, *end;
+ char buf[6];
+ size_t len;
+ int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
+ int i;
+ bool flag = false;
+
+ len = (sizeof(lnet_process_id_t) * LNET_INTERFACES_MAX_DEFAULT);
+
+ data = calloc(1, len);
+ if (data == NULL)
+ goto out;
+
+ /* create struct cYAML root object */
+ root = cYAML_create_object(NULL, NULL);
+ if (root == NULL)
+ goto out;
+
+ ping_node = cYAML_create_seq(root, oper);
+ if (ping_node == NULL)
+ goto out;
+
+ /* tokenise each nid in string ping_nids */
+ token = strtok(ping_nids, ",");
+
+ do {
+ item = cYAML_create_seq_item(ping_node);
+ if (item == NULL)
+ goto out;
+
+ if (first_seq == NULL)
+ first_seq = item;
+
+ /* check if '-' is a part of NID, token */
+ sep = strchr(token, '-');
+ if (sep == NULL) {
+ id.pid = LNET_PID_ANY;
+ /* if no net is specified, libcfs_str2nid() will assume tcp */
+ id.nid = libcfs_str2nid(token);
+ if (id.nid == LNET_NID_ANY) {
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot parse NID '%s'\"",
+ token);
+ rc = LUSTRE_CFG_RC_BAD_PARAM;
+ cYAML_build_error(rc, seq_no, MANAGE_CMD,
+ oper, err_str, err_rc);
+ continue;
+ }
+ } else {
+ if (token[0] == 'u' || token[0] == 'U')
+ id.pid = (strtoul(&token[1], &end, 0) |
+ (LNET_PID_USERFLAG));
+ else
+ id.pid = strtoul(token, &end, 0);
+
+ /* assuming '-' is part of hostname */
+ if (end != sep) {
+ id.pid = LNET_PID_ANY;
+ id.nid = libcfs_str2nid(token);
+ if (id.nid == LNET_NID_ANY) {
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot parse NID '%s'\"",
+ token);
+ rc = LUSTRE_CFG_RC_BAD_PARAM;
+ cYAML_build_error(rc, seq_no, MANAGE_CMD,
+ oper, err_str,
+ err_rc);
+ continue;
+ }
+ } else {
+ id.nid = libcfs_str2nid(sep + 1);
+ if (id.nid == LNET_NID_ANY) {
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot parse NID '%s'\"",
+ token);
+ rc = LUSTRE_CFG_RC_BAD_PARAM;
+ cYAML_build_error(rc, seq_no, MANAGE_CMD,
+ oper, err_str,
+ err_rc);
+ continue;
+ }
+ }
+ }
+ LIBCFS_IOC_INIT_V2(ping, ping_hdr);
+ ping.ping_hdr.ioc_len = sizeof(ping);
+ ping.ping_id = id;
+ ping.op_param = param;
+ ping.ping_count = LNET_INTERFACES_MAX_DEFAULT;
+ ping.ping_buf = data;
+
+ rc = l_ioctl(LNET_DEV_ID, ioc_call, &ping);
+ if (rc != 0) {
+ snprintf(err_str,
+ sizeof(err_str), "failed to %s %s: %s\n", oper,
+ id.pid == LNET_PID_ANY ?
+ libcfs_nid2str(id.nid) :
+ libcfs_id2str(id), strerror(errno));
+ rc = LUSTRE_CFG_RC_BAD_PARAM;
+ cYAML_build_error(rc, seq_no, MANAGE_CMD,
+ oper, err_str, err_rc);
+ continue;
+ }
+
+ if (cYAML_create_string(item, "primary nid",
+ libcfs_nid2str(ping.ping_id.nid)) == NULL)
+ goto out;
+
+ if (cYAML_create_string(item, "Multi-Rail", ping.mr_info ? "True" :
+ "False") == NULL)
+ goto out;
+
+ tmp = cYAML_create_seq(item, "peer ni");
+ if (tmp == NULL)
+ goto out;
+
+ for (i = 0; i < ping.ping_count; i++) {
+ if (!strcmp(libcfs_nid2str(ping.ping_buf[i].nid),
+ "0@lo"))
+ continue;
+ peer_ni = cYAML_create_seq_item(tmp);
+ if (peer_ni == NULL)
+ goto out;
+ memset(buf, 0, sizeof buf);
+ snprintf(buf, sizeof buf, "nid");
+ if (cYAML_create_string(peer_ni, buf,
+ libcfs_nid2str(ping.ping_buf[i].nid)) == NULL)
+ goto out;
+ }
+
+ flag = true;
+
+ } while ((token = strtok(NULL, ",")) != NULL);
+
+ if (flag)
+ rc = LUSTRE_CFG_RC_NO_ERR;
+
+out:
+ if (data)
+ free(data);
+ if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
+ cYAML_free_tree(root);
+ } else if (show_rc != NULL && *show_rc != NULL) {
+ struct cYAML *show_node;
+ show_node = cYAML_get_object_item(*show_rc, oper);
+ if (show_node != NULL && cYAML_is_sequence(show_node)) {
+ cYAML_insert_child(show_node, first_seq);
+ free(ping_node);
+ free(root);
+ } else if (show_node == NULL) {
+ cYAML_insert_sibling((*show_rc)->cy_child,
+ ping_node);
+ free(root);
+ } else {
+ cYAML_free_tree(root);
+ }
+ } else {
+ *show_rc = root;
+ }
+
+ return rc;
+}
+
+int lustre_lnet_ping_nid(char *ping_nids, int timeout, int seq_no,
+ struct cYAML **show_rc, struct cYAML **err_rc)
+{
+ int rc;
+
+ rc = infra_ping_nid(ping_nids, "ping", timeout, IOC_LIBCFS_PING_PEER,
+ seq_no, show_rc, err_rc);
+ return rc;
+}
+
int lustre_lnet_config_peer_nid(char *pnid, char **nid, int num_nids,
bool mr, int seq_no, struct cYAML **err_rc)
{
cYAML_print_tree(root);
snprintf(err_str, sizeof(err_str), "\"success\"");
+ rc = LUSTRE_CFG_RC_NO_ERR;
+
out:
if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR)
cYAML_free_tree(root);
cYAML_print_tree(root);
snprintf(err_str, sizeof(err_str), "\"success\"");
+
+ rc = LUSTRE_CFG_RC_NO_ERR;
+
out:
if (show_rc == NULL || rc != LUSTRE_CFG_RC_NO_ERR) {
cYAML_free_tree(root);
return rc;
}
+static int handle_yaml_ping(struct cYAML *tree, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ struct cYAML *seq_no, *nid, *timeout;
+
+ seq_no = cYAML_get_object_item(tree, "seq_no");
+ nid = cYAML_get_object_item(tree, "primary nid");
+ timeout = cYAML_get_object_item(tree, "timeout");
+
+ return lustre_lnet_ping_nid((nid) ? nid->cy_valuestring : NULL,
+ (timeout) ? timeout->cy_valueint : 1000,
+ (seq_no) ? seq_no->cy_valueint : -1,
+ show_rc, err_rc);
+}
+
+static int handle_yaml_no_op()
+{
+ return LUSTRE_CFG_RC_NO_ERR;
+}
+
struct lookup_cmd_hdlr_tbl {
char *name;
cmd_handler_t cb;
{ .name = "peer", .cb = handle_yaml_config_peer },
{ .name = "routing", .cb = handle_yaml_config_routing },
{ .name = "buffers", .cb = handle_yaml_config_buffers },
+ { .name = "statistics", .cb = handle_yaml_no_op },
{ .name = "global", .cb = handle_yaml_config_global_settings},
+ { .name = "ping", .cb = handle_yaml_no_op },
{ .name = NULL } };
static struct lookup_cmd_hdlr_tbl lookup_del_tbl[] = {
{ .name = "route", .cb = handle_yaml_del_route },
{ .name = "net", .cb = handle_yaml_del_ni },
+ { .name = "ip2nets", .cb = handle_yaml_no_op },
{ .name = "peer", .cb = handle_yaml_del_peer },
{ .name = "routing", .cb = handle_yaml_del_routing },
+ { .name = "buffers", .cb = handle_yaml_no_op },
+ { .name = "statistics", .cb = handle_yaml_no_op },
{ .name = "global", .cb = handle_yaml_del_global_settings},
+ { .name = "ping", .cb = handle_yaml_no_op },
{ .name = NULL } };
static struct lookup_cmd_hdlr_tbl lookup_show_tbl[] = {
{ .name = "route", .cb = handle_yaml_show_route },
{ .name = "net", .cb = handle_yaml_show_net },
- { .name = "buffers", .cb = handle_yaml_show_routing },
- { .name = "routing", .cb = handle_yaml_show_routing },
{ .name = "peer", .cb = handle_yaml_show_peers },
+ { .name = "ip2nets", .cb = handle_yaml_no_op },
+ { .name = "routing", .cb = handle_yaml_show_routing },
+ { .name = "buffers", .cb = handle_yaml_show_routing },
{ .name = "statistics", .cb = handle_yaml_show_stats },
{ .name = "global", .cb = handle_yaml_show_global_settings},
+ { .name = "ping", .cb = handle_yaml_no_op },
+ { .name = NULL } };
+
+static struct lookup_cmd_hdlr_tbl lookup_exec_tbl[] = {
+ { .name = "route", .cb = handle_yaml_no_op },
+ { .name = "net", .cb = handle_yaml_no_op },
+ { .name = "peer", .cb = handle_yaml_no_op },
+ { .name = "ip2nets", .cb = handle_yaml_no_op },
+ { .name = "routing", .cb = handle_yaml_no_op },
+ { .name = "buffers", .cb = handle_yaml_no_op },
+ { .name = "statistics", .cb = handle_yaml_no_op },
+ { .name = "global", .cb = handle_yaml_no_op },
+ { .name = "ping", .cb = handle_yaml_ping },
{ .name = NULL } };
static cmd_handler_t lookup_fn(char *key,
show_rc, err_rc);
}
+int lustre_yaml_exec(char *f, struct cYAML **show_rc, struct cYAML **err_rc)
+{
+ return lustre_yaml_cb_helper(f, lookup_exec_tbl,
+ show_rc, err_rc);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff