Fast handoff of roaming MAC addresses.

[tinc] / src / protocol_subnet.c

diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c
index f7ce53b..ba75c89 100644 (file)
--- a/src/protocol_subnet.c
+++ b/src/protocol_subnet.c
@@ -45,7 +45,7 @@ bool add_subnet_h(connection_t *c) {
        char subnetstr[MAX_STRING_SIZE];
        char name[MAX_STRING_SIZE];
        node_t *owner;
-       subnet_t s = {0}, *new;
+       subnet_t s = {0}, *new, *old;
 
        if(sscanf(c->buffer, "%*d %*x " MAX_STRING " " MAX_STRING, name, subnetstr) != 2) {
                logger(LOG_ERR, "Got bad %s from %s (%s)", "ADD_SUBNET", c->name,
@@ -142,6 +142,11 @@ bool add_subnet_h(connection_t *c) {
        if(!tunnelserver)
                forward_request(c);
 
+       /* Fast handoff of roaming MAC addresses */
+
+       if(s.type == SUBNET_MAC && owner != myself && (old = lookup_subnet(myself, &s)) && old->expires)
+               old->expires = now;
+
        return true;
 }