goto out;
}
-
/*
* The peer may have discovery disabled at its end. Set
* NO_DISCOVERY as appropriate.
*/
- if ((pbuf->pb_info.pi_features & LNET_PING_FEAT_DISCOVERY) &&
- !lnet_peer_discovery_disabled) {
- CDEBUG(D_NET, "Peer %s has discovery enabled\n",
- libcfs_nid2str(lp->lp_primary_nid));
- lp->lp_state &= ~LNET_PEER_NO_DISCOVERY;
- } else {
+ if (!(pbuf->pb_info.pi_features & LNET_PING_FEAT_DISCOVERY) ||
+ lnet_peer_discovery_disabled) {
CDEBUG(D_NET, "Peer %s has discovery disabled\n",
libcfs_nid2str(lp->lp_primary_nid));
+
+ /* Detect whether this peer has toggled discovery from on to
+ * off and whether we can delete and re-create the peer. Peers
+ * that were manually configured cannot be deleted by discovery.
+ * We need to delete this peer and re-create it if the peer was
+ * not configured manually, is currently considered DD capable,
+ * and either:
+ * 1. We've already discovered the peer (the peer has toggled
+ * the discovery feature from on to off), or
+ * 2. The peer is considered MR, but it was not user configured
+ * (this was a "temporary" peer created via the kernel APIs
+ * that we're discovering for the first time)
+ */
+ if (!(lp->lp_state & (LNET_PEER_CONFIGURED |
+ LNET_PEER_NO_DISCOVERY)) &&
+ (lp->lp_state & (LNET_PEER_DISCOVERED |
+ LNET_PEER_MULTI_RAIL))) {
+ CDEBUG(D_NET, "Marking %s:0x%x for deletion\n",
+ libcfs_nid2str(lp->lp_primary_nid),
+ lp->lp_state);
+ lp->lp_state |= LNET_PEER_MARK_DELETION;
+ }
lp->lp_state |= LNET_PEER_NO_DISCOVERY;
+ } else {
+ CDEBUG(D_NET, "Peer %s has discovery enabled\n",
+ libcfs_nid2str(lp->lp_primary_nid));
+ lp->lp_state &= ~LNET_PEER_NO_DISCOVERY;
}
/*
* of deleting it.
*/
if (!list_empty(&lp->lp_dc_list))
- list_del(&lp->lp_dc_list);
+ list_del_init(&lp->lp_dc_list);
list_for_each_entry_safe(route, tmp,
&lp->lp_routes,
lr_gwlist)