core: drop nm_platform_link_get_address_as_bytes()

Drop nm_platform_link_get_address_as_bytes() and introduce
nmp_link_address_get_as_bytes() so that it becomes possible to obtain
also the broadcast address without an additional lookup of the link.

src/devices/nm-device.c

@@ -7969,6 +7969,7 @@ dhcp4_start (NMDevice *self)
 	gs_unref_bytes GBytes *client_id = NULL;
 	NMConnection *connection;
 	GError *error = NULL;
+	const NMPlatformLink *pllink;
 
 	connection = nm_device_get_applied_connection (self);
 	g_return_val_if_fail (connection, FALSE);
@@ -7979,8 +7980,9 @@ dhcp4_start (NMDevice *self)
 	nm_dbus_object_clear_and_unexport (&priv->dhcp4.config);
 	priv->dhcp4.config = nm_dhcp4_config_new ();
 
-	hwaddr = nm_platform_link_get_address_as_bytes (nm_device_get_platform (self),
-	                                                nm_device_get_ip_ifindex (self));
+	pllink = nm_platform_link_get (nm_device_get_platform (self), nm_device_get_ip_ifindex (self));
+	if (pllink)
+		hwaddr = nmp_link_address_get_as_bytes (&pllink->l_address);
 
 	client_id = dhcp4_get_client_id (self, connection, hwaddr);
 
@@ -8769,6 +8771,7 @@ dhcp6_start_with_link_ready (NMDevice *self, NMConnection *connection)
 	gs_unref_bytes GBytes *hwaddr = NULL;
 	gs_unref_bytes GBytes *duid = NULL;
 	gboolean enforce_duid = FALSE;
+	const NMPlatformLink *pllink;
 	GError *error = NULL;
 
 	const NMPlatformIP6Address *ll_addr = NULL;
@@ -8788,8 +8791,9 @@ dhcp6_start_with_link_ready (NMDevice *self, NMConnection *connection)
 		return FALSE;
 	}
 
-	hwaddr = nm_platform_link_get_address_as_bytes (nm_device_get_platform (self),
-	                                                nm_device_get_ip_ifindex (self));
+	pllink = nm_platform_link_get (nm_device_get_platform (self), nm_device_get_ip_ifindex (self));
+	if (pllink)
+		hwaddr = nmp_link_address_get_as_bytes (&pllink->l_address);
 
 	duid = dhcp6_get_duid (self, connection, hwaddr, &enforce_duid);
 	priv->dhcp6.client = nm_dhcp_manager_start_ip6 (nm_dhcp_manager_get (),

src/nm-iface-helper.c

@@ -383,6 +383,7 @@ main (int argc, char *argv[])
 	gs_unref_bytes GBytes *hwaddr = NULL;
 	gs_unref_bytes GBytes *client_id = NULL;
 	gs_free NMUtilsIPv6IfaceId *iid = NULL;
+	const NMPlatformLink *pllink;
 	guint sd_id;
 	int errsv;
 
@@ -469,7 +470,9 @@ main (int argc, char *argv[])
 	/* Set up platform interaction layer */
 	nm_linux_platform_setup ();
 
-	hwaddr = nm_platform_link_get_address_as_bytes (NM_PLATFORM_GET, gl.ifindex);
+	pllink = nm_platform_link_get (NM_PLATFORM_GET, gl.ifindex);
+	if (pllink)
+		hwaddr = nmp_link_address_get_as_bytes (&pllink->l_address);
 
 	if (global_opt.iid_str) {
 		GBytes *bytes;

src/platform/nm-platform.c

@@ -100,6 +100,19 @@ nmp_link_address_get (const NMPLinkAddress *addr, size_t *length)
 	return addr->data;
 }
 
+GBytes *
+nmp_link_address_get_as_bytes (const NMPLinkAddress *addr)
+{
+	gconstpointer data;
+	size_t length;
+
+	data = nmp_link_address_get (addr, &length);
+
+	return   length > 0
+	       ? g_bytes_new (data, length)
+	       : NULL;
+}
+
 /*****************************************************************************/
 
 #define _NMLOG_DOMAIN           LOGD_PLATFORM

src/platform/nm-platform.h

@@ -164,6 +164,7 @@ typedef struct {
 } NMPLinkAddress;
 
 gconstpointer nmp_link_address_get (const NMPLinkAddress *addr, size_t *length);
+GBytes       *nmp_link_address_get_as_bytes (const NMPLinkAddress *addr);
 
 typedef enum {
 
@@ -1407,18 +1408,6 @@ gboolean nm_platform_link_get_user_ipv6ll_enabled (NMPlatform *self, int ifindex
 
 gconstpointer nm_platform_link_get_address (NMPlatform *self, int ifindex, size_t *length);
 
-static inline GBytes *
-nm_platform_link_get_address_as_bytes (NMPlatform *self, int ifindex)
-{
-	gconstpointer p;
-	gsize l;
-
-	p = nm_platform_link_get_address (self, ifindex, &l);
-	return p
-	       ? g_bytes_new (p, l)
-	       : NULL;
-}
-
 int nm_platform_link_get_master (NMPlatform *self, int slave);
 
 gboolean nm_platform_link_can_assume (NMPlatform *self, int ifindex);