Make add_network take a configuration parameter.

babel.c

@@ -357,7 +357,7 @@ main(int argc, char **argv)
 
     while(*arg) {
         debugf("Adding network %s.\n", *arg);
-        vrc = add_network(*arg);
+        vrc = add_network(*arg, NULL);
         if(vrc == NULL)
             goto fail;
         SHIFT();

network.c

@@ -55,17 +55,23 @@ last_network(void)
 }
 
 struct network *
-add_network(char *ifname)
+add_network(char *ifname, struct network_conf *conf)
 {
     struct network *net;
 
+    if(conf) {
+        if(strcmp(ifname, conf->ifname) != 0)
+            return NULL;
+    }
+
     net = malloc(sizeof(struct network));
     if(net == NULL)
         return NULL;
 
     memset(net, 0, sizeof(struct network));
-    net->activity_time = now.tv_sec;
     strncpy(net->ifname, ifname, IF_NAMESIZE);
+    net->conf = conf;
+    net->activity_time = now.tv_sec;
     net->bucket_time = now.tv_sec;
     net->bucket = BUCKET_TOKENS_MAX;
     net->hello_seqno = (random() & 0xFFFF);

network.h

@@ -27,8 +27,14 @@ struct buffered_update {
     unsigned char pad[3];
 };
 
+struct network_conf {
+    char *ifname;
+    struct network_conf *next;
+};
+
 struct network {
     struct network *next;
+    struct network_conf *conf;
     char up;
     char wired;
     unsigned int ifindex;
@@ -68,7 +74,7 @@ extern int numnets;
 
 #define FOR_ALL_NETS(_net) for(_net = networks; _net; _net = _net->next)
 
-struct network *add_network(char *ifname);
+struct network *add_network(char *ifname, struct network_conf *conf);
 int network_idle(struct network *net);
 int update_hello_interval(struct network *net);
 unsigned jitter(struct network *net, int urgent);