platform: cleanup handling locks for non-exclusive routes

src/platform/nm-linux-platform.c

@@ -2416,6 +2416,16 @@ nla_put_failure:
 	g_return_val_if_reached (NULL);
 }
 
+static guint32
+ip_route_get_lock_flag (const NMPlatformIPRoute *route)
+{
+	return   (((guint32) route->lock_window)   << RTAX_WINDOW)
+	       | (((guint32) route->lock_cwnd)     << RTAX_CWND)
+	       | (((guint32) route->lock_initcwnd) << RTAX_INITCWND)
+	       | (((guint32) route->lock_initrwnd) << RTAX_INITRWND)
+	       | (((guint32) route->lock_mtu)      << RTAX_MTU);
+}
+
 /* Copied and modified from libnl3's build_route_msg() and rtnl_route_build_msg(). */
 static struct nl_msg *
 _nl_msg_new_route (int nlmsg_type,
@@ -2424,12 +2434,12 @@ _nl_msg_new_route (int nlmsg_type,
                    guint32 cwnd,
                    guint32 initcwnd,
                    guint32 initrwnd,
-                   guint32 mtu,
+                   guint32 mtu)
-                   guint32 lock)
 {
 	struct nl_msg *msg;
 	const NMPClass *klass = NMP_OBJECT_GET_CLASS (obj);
 	gboolean is_v4 = klass->addr_family == AF_INET;
+	const guint32 lock = ip_route_get_lock_flag (NMP_OBJECT_CAST_IP_ROUTE (obj));
 	struct rtmsg rtmsg = {
 		.rtm_family = klass->addr_family,
 		.rtm_tos = obj->ip_route.tos,
@@ -5689,16 +5699,6 @@ ip6_address_delete (NMPlatform *platform, int ifindex, struct in6_addr addr, gui
 
 /*****************************************************************************/
 
-static guint32
-ip_route_get_lock_flag (NMPlatformIPRoute *route)
-{
-	return   (((guint32) route->lock_window) << RTAX_WINDOW)
-	       | (((guint32) route->lock_cwnd) << RTAX_CWND)
-	       | (((guint32) route->lock_initcwnd) << RTAX_INITCWND)
-	       | (((guint32) route->lock_initrwnd) << RTAX_INITRWND)
-	       | (((guint32) route->lock_mtu) << RTAX_MTU);
-}
-
 static gboolean
 ip4_route_add (NMPlatform *platform, const NMPlatformIP4Route *route)
 {
@@ -5719,8 +5719,7 @@ ip4_route_add (NMPlatform *platform, const NMPlatformIP4Route *route)
 	                           route->cwnd,
 	                           route->initcwnd,
 	                           route->initrwnd,
-	                           route->mtu,
+	                           route->mtu);
-	                           ip_route_get_lock_flag ((NMPlatformIPRoute *) route));
 	return do_add_addrroute (platform, &obj, nlmsg);
 }
 
@@ -5743,8 +5742,7 @@ ip6_route_add (NMPlatform *platform, const NMPlatformIP6Route *route)
 	                           route->cwnd,
 	                           route->initcwnd,
 	                           route->initrwnd,
-	                           route->mtu,
+	                           route->mtu);
-	                           ip_route_get_lock_flag ((NMPlatformIPRoute *) route));
 	return do_add_addrroute (platform, &obj, nlmsg);
 }
 
@@ -5798,7 +5796,6 @@ ip_route_delete (NMPlatform *platform,
 	                           0,
 	                           0,
 	                           0,
-	                           0,
 	                           0);
 	if (!nlmsg)
 		return FALSE;

src/platform/nm-platform.c

@@ -4737,6 +4737,11 @@ nm_platform_ip4_route_hash (const NMPlatformIP4Route *obj, NMPlatformIPRouteCmpT
 				h = NM_HASH_COMBINE (h, obj->mss);
 				h = NM_HASH_COMBINE (h, obj->pref_src);
 				h = NM_HASH_COMBINE (h, obj->window);
+				h = NM_HASH_COMBINE (h, obj->lock_window);
+				h = NM_HASH_COMBINE (h, obj->lock_cwnd);
+				h = NM_HASH_COMBINE (h, obj->lock_initcwnd);
+				h = NM_HASH_COMBINE (h, obj->lock_initrwnd);
+				h = NM_HASH_COMBINE (h, obj->lock_mtu);
 			}
 			break;
 		case NM_PLATFORM_IP_ROUTE_CMP_TYPE_SEMANTICALLY:
@@ -4795,6 +4800,11 @@ nm_platform_ip4_route_cmp (const NMPlatformIP4Route *a, const NMPlatformIP4Route
 			NM_CMP_FIELD (a, b, mss);
 			NM_CMP_FIELD (a, b, pref_src);
 			NM_CMP_FIELD (a, b, window);
+			NM_CMP_FIELD_UNSAFE (a, b, lock_window);
+			NM_CMP_FIELD_UNSAFE (a, b, lock_cwnd);
+			NM_CMP_FIELD_UNSAFE (a, b, lock_initcwnd);
+			NM_CMP_FIELD_UNSAFE (a, b, lock_initrwnd);
+			NM_CMP_FIELD_UNSAFE (a, b, lock_mtu);
 		}
 		break;
 	case NM_PLATFORM_IP_ROUTE_CMP_TYPE_SEMANTICALLY:

src/platform/nm-platform.h

@@ -347,15 +347,6 @@ typedef union {
 	 * of platform users. This flag is internal to track those hidden
 	 * routes. Such a route is not alive, according to nmp_object_is_alive(). */ \
 	bool rt_cloned:1; \
-	bool lock_window:1; \
-	bool lock_cwnd:1; \
-	bool lock_initcwnd:1; \
-	bool lock_initrwnd:1; \
-	bool lock_mtu:1; \
-	\
-	guint32 metric; \
-	\
-	guint32 tos; \
 	\
 	\
 	/* RTA_METRICS:
@@ -370,6 +361,13 @@ typedef union {
 	 * That is a problem/bug for IPv4 because you cannot explicitly select which
 	 * route to delete. Kernel just picks the first. See rh#1475642. */ \
 	\
+	/* RTA_METRICS.RTAX_LOCK (iproute2: "lock" arguments) */ \
+	bool lock_window:1; \
+	bool lock_cwnd:1; \
+	bool lock_initcwnd:1; \
+	bool lock_initrwnd:1; \
+	bool lock_mtu:1; \
+	\
 	/* RTA_METRICS.RTAX_ADVMSS (iproute2: advmss) */ \
 	guint32 mss; \
 	\
@@ -380,7 +378,11 @@ typedef union {
 	guint32 initcwnd; \
 	guint32 initrwnd; \
 	guint32 mtu; \
-	;
+	guint32 metric; \
+	guint32 tos; \
+	\
+	/*end*/
+
 
 typedef struct {
 	__NMPlatformIPRoute_COMMON;