network,dhcp: restart client with 'networkctl renew' when delayed by IPv6 only mode

[thirdparty/systemd.git] / src / libsystemd-network / sd-dhcp-client.c

diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 5064bf2b4f02a972232c967f552c34805f4dbd69..f056dcfc9369828d6825fc9a31d2bd3eae5b21d4 100644 (file)
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -2351,6 +2351,18 @@ int sd_dhcp_client_set_ipv6_connectivity(sd_dhcp_client *client, int have) {
         return 0;
 }
 
+int sd_dhcp_client_interrupt_ipv6_only_mode(sd_dhcp_client *client) {
+        assert_return(client, -EINVAL);
+        assert_return(sd_dhcp_client_is_running(client), -ESTALE);
+        assert_return(client->fd >= 0, -EINVAL);
+
+        if (sd_event_source_get_enabled(client->timeout_ipv6_only_mode, NULL) <= 0)
+                return 0;
+
+        client_initialize(client);
+        return client_start(client);
+}
+
 int sd_dhcp_client_attach_event(sd_dhcp_client *client, sd_event *event, int64_t priority) {
         int r;