fixup! net/gnrc_netif: add gnrc_netif_up()/gnrc_netif_down()

RIOT-OS · Sep 21, 2022 · b54778a · b54778a
1 parent 8882777
commit b54778a
Showing 1 changed file with 18 additions and 1 deletion.
diff --git a/sys/net/gnrc/netif/gnrc_netif.c b/sys/net/gnrc/netif/gnrc_netif.c
@@ -1464,11 +1464,28 @@ bool gnrc_netif_ipv6_wait_for_global_address(gnrc_netif_t *netif,
 static int _change_state_and_wait(gnrc_netif_t *netif, netopt_state_t state, unsigned timeout_ms)
 {
     int res = 0;
+
+    netopt_state_t state_prev;
+    while (gnrc_netapi_get(netif->pid, NETOPT_STATE, 0, &state_prev, sizeof(state_prev)) == -EBUSY) {}
+
+    if (state == state_prev) {
+        return 0;
+    }
+
 #if IS_USED(MODULE_GNRC_NETIF_BUS)
+    gnrc_netif_event_t event;
+
+    if ((state == NETOPT_STATE_SLEEP) || (state == NETOPT_STATE_OFF) ||
+        (state == NETOPT_STATE_STANDBY)) {
+        event = GNRC_NETIF_EVENT_LINK_STATE_CHANGED_DOWN;
+    } else {
+        event = GNRC_NETIF_EVENT_LINK_STATE_CHANGED_UP;
+    }
+
     msg_bus_entry_t sub;
     msg_bus_t *bus = gnrc_netif_get_bus(netif, GNRC_NETIF_BUS_IFACE);
     msg_bus_attach(bus, &sub);
-    msg_bus_subscribe(&sub, GNRC_IPV6_EVENT_ADDR_VALID);
+    msg_bus_subscribe(&sub, event);
 #endif
 
     while (gnrc_netapi_set(netif->pid, NETOPT_STATE, 0, &state, sizeof(state)) == -EBUSY) {}