added start_queue and stop_queue to check_carrier function

network_device/flxnet_dev.c

@@ -596,12 +596,14 @@ static inline void check_carrier(struct flxnet_peer *peer) {
 	if (carrier) {
 		if (!netif_carrier_ok(peer->flxnet)) {
 			pr_info("flxnet_dev: status carrier changed to %d\n", carrier);
+			netif_start_queue(peer->flxnet);
 			netif_carrier_on(peer->flxnet);
 		}
 	}
 	else {
 		if (netif_carrier_ok(peer->flxnet)) {
 			pr_info("flxnet_dev: status carrier changed to %d\n", carrier);
+			netif_stop_queue(peer->flxnet);
 			netif_carrier_off(peer->flxnet);
 		}
 	}
@@ -757,6 +759,7 @@ int open(struct net_device *dev) {
 	if (message_level & NETIF_MSG_IFUP)
 		pr_info("flxnet_dev: start netif queue\n");
 	netif_start_queue(dev);
+	netif_carrier_on(dev);
 
 	mutex_unlock(&flxnet_mutex);
 	return 0;
@@ -776,6 +779,7 @@ int stop(struct net_device *dev) {
 	if (message_level & NETIF_MSG_IFDOWN)
 		pr_info("flxnet_dev: stop netif queue\n");
 	netif_stop_queue(dev);
+	netif_carrier_off(dev);
 
 	tx_queue_reset(dev); // clear TX queue
 	flxnet_release_all_peers(); // free the modules that supplied the peers