+ksocknal_search_new_ipif(ksock_net_t *net)
+{
+ int new_ipif = 0;
+ int i;
+
+ for (i = 0; i < net->ksnn_ninterfaces; i++) {
+ char *ifnam = &net->ksnn_interfaces[i].ksni_name[0];
+ char *colon = strchr(ifnam, ':');
+ int found = 0;
+ ksock_net_t *tmp;
+ int j;
+
+ if (colon != NULL) /* ignore alias device */
+ *colon = 0;
+
+ cfs_list_for_each_entry(tmp, &ksocknal_data.ksnd_nets,
+ ksnn_list) {
+ for (j = 0; !found && j < tmp->ksnn_ninterfaces; j++) {
+ char *ifnam2 = &tmp->ksnn_interfaces[j].\
+ ksni_name[0];
+ char *colon2 = strchr(ifnam2, ':');
+
+ if (colon2 != NULL)
+ *colon2 = 0;
+
+ found = strcmp(ifnam, ifnam2) == 0;
+ if (colon2 != NULL)
+ *colon2 = ':';
+ }
+ if (found)
+ break;
+ }
+
+ new_ipif += !found;
+ if (colon != NULL)
+ *colon = ':';
+ }
+
+ return new_ipif;
+}
+
+int
+ksocknal_start_schedulers(struct ksock_sched_info *info)
+{
+ int nthrs;
+ int rc = 0;
+ int i;
+
+ if (info->ksi_nthreads == 0) {
+ if (*ksocknal_tunables.ksnd_nscheds > 0) {
+ nthrs = info->ksi_nthreads_max;
+ } else {
+ nthrs = cfs_cpt_weight(lnet_cpt_table(),
+ info->ksi_cpt);
+ nthrs = min(max(SOCKNAL_NSCHEDS, nthrs >> 1), nthrs);
+ nthrs = min(SOCKNAL_NSCHEDS_HIGH, nthrs);
+ }
+ nthrs = min(nthrs, info->ksi_nthreads_max);
+ } else {
+ LASSERT(info->ksi_nthreads <= info->ksi_nthreads_max);
+ /* increase two threads if there is new interface */
+ nthrs = min(2, info->ksi_nthreads_max - info->ksi_nthreads);
+ }
+
+ for (i = 0; i < nthrs; i++) {
+ long id;
+
+ id = KSOCK_THREAD_ID(info->ksi_cpt, info->ksi_nthreads + i);
+ rc = ksocknal_thread_start(ksocknal_scheduler, (void *)id);
+ if (rc == 0)
+ continue;
+
+ CERROR("Can't spawn thread %d for scheduler[%d]: %d\n",
+ info->ksi_cpt, info->ksi_nthreads + i, rc);
+ break;
+ }
+
+ info->ksi_nthreads += i;
+ return rc;
+}
+
+int
+ksocknal_net_start_threads(ksock_net_t *net, __u32 *cpts, int ncpts)
+{
+ int newif = ksocknal_search_new_ipif(net);
+ int rc;
+ int i;
+
+ LASSERT(ncpts > 0 && ncpts <= cfs_cpt_number(lnet_cpt_table()));
+
+ for (i = 0; i < ncpts; i++) {
+ struct ksock_sched_info *info;
+ int cpt = (cpts == NULL) ? i : cpts[i];
+
+ LASSERT(cpt < cfs_cpt_number(lnet_cpt_table()));
+ info = ksocknal_data.ksnd_sched_info[cpt];
+
+ if (!newif && info->ksi_nthreads > 0)
+ continue;
+
+ rc = ksocknal_start_schedulers(info);
+ if (rc != 0)
+ return rc;
+ }
+ return 0;
+}
+
+int