kernel: remove linux 4.4 support
[openwrt/openwrt.git] / target / linux / generic / pending-4.4 / 642-bridge_port_isolate.patch
diff --git a/target/linux/generic/pending-4.4/642-bridge_port_isolate.patch b/target/linux/generic/pending-4.4/642-bridge_port_isolate.patch
deleted file mode 100644 (file)
index 02dfea4..0000000
+++ /dev/null
@@ -1,107 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Subject: [PATCH] bridge: port isolate
-
-Isolating individual bridge ports
----
---- a/include/linux/if_bridge.h
-+++ b/include/linux/if_bridge.h
-@@ -45,6 +45,7 @@ struct br_ip_list {
- #define BR_PROXYARP           BIT(8)
- #define BR_LEARNING_SYNC      BIT(9)
- #define BR_PROXYARP_WIFI      BIT(10)
-+#define BR_ISOLATE_MODE       BIT(11)
- #define BR_DEFAULT_AGEING_TIME        (300 * HZ)
---- a/net/bridge/br_sysfs_if.c
-+++ b/net/bridge/br_sysfs_if.c
-@@ -173,6 +173,22 @@ BRPORT_ATTR_FLAG(unicast_flood, BR_FLOOD
- BRPORT_ATTR_FLAG(proxyarp, BR_PROXYARP);
- BRPORT_ATTR_FLAG(proxyarp_wifi, BR_PROXYARP_WIFI);
-+static ssize_t show_isolate_mode(struct net_bridge_port *p, char *buf)
-+{
-+      int isolate_mode = (p->flags & BR_ISOLATE_MODE) ? 1 : 0;
-+      return sprintf(buf, "%d\n", isolate_mode);
-+}
-+static int store_isolate_mode(struct net_bridge_port *p, unsigned long v)
-+{
-+      if (v)
-+              p->flags |= BR_ISOLATE_MODE;
-+      else
-+              p->flags &= ~BR_ISOLATE_MODE;
-+      return 0;
-+}
-+static BRPORT_ATTR(isolate_mode, S_IRUGO | S_IWUSR,
-+                 show_isolate_mode, store_isolate_mode);
-+
- #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
- static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf)
- {
-@@ -217,6 +233,7 @@ static const struct brport_attribute *br
- #endif
-       &brport_attr_proxyarp,
-       &brport_attr_proxyarp_wifi,
-+      &brport_attr_isolate_mode,
-       NULL
- };
---- a/net/bridge/br_input.c
-+++ b/net/bridge/br_input.c
-@@ -192,8 +192,8 @@ int br_handle_frame_finish(struct net *n
-               unicast = false;
-               br->dev->stats.multicast++;
--      } else if ((dst = __br_fdb_get(br, dest, vid)) &&
--                      dst->is_local) {
-+      } else if ((p->flags & BR_ISOLATE_MODE) ||
-+                 ((dst = __br_fdb_get(br, dest, vid)) && dst->is_local)) {
-               skb2 = skb;
-               /* Do not forward the packet since it's local. */
-               skb = NULL;
---- a/net/bridge/br_forward.c
-+++ b/net/bridge/br_forward.c
-@@ -141,7 +141,7 @@ EXPORT_SYMBOL_GPL(br_deliver);
- /* called with rcu_read_lock */
- void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0)
- {
--      if (to && should_deliver(to, skb)) {
-+      if (to && should_deliver(to, skb) && !(to->flags & BR_ISOLATE_MODE)) {
-               if (skb0)
-                       deliver_clone(to, skb, __br_forward);
-               else
-@@ -197,7 +197,7 @@ static void br_flood(struct net_bridge *
-                    struct sk_buff *skb0,
-                    void (*__packet_hook)(const struct net_bridge_port *p,
-                                          struct sk_buff *skb),
--                   bool unicast)
-+                                              bool unicast, bool forward)
- {
-       struct net_bridge_port *p;
-       struct net_bridge_port *prev;
-@@ -205,6 +205,8 @@ static void br_flood(struct net_bridge *
-       prev = NULL;
-       list_for_each_entry_rcu(p, &br->port_list, list) {
-+              if (forward && (p->flags & BR_ISOLATE_MODE))
-+                      continue;
-               /* Do not flood unicast traffic to ports that turn it off */
-               if (unicast && !(p->flags & BR_FLOOD))
-                       continue;
-@@ -239,14 +241,14 @@ out:
- /* called with rcu_read_lock */
- void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast)
- {
--      br_flood(br, skb, NULL, __br_deliver, unicast);
-+      br_flood(br, skb, NULL, __br_deliver, unicast, false);
- }
- /* called under bridge lock */
- void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
-                     struct sk_buff *skb2, bool unicast)
- {
--      br_flood(br, skb, skb2, __br_forward, unicast);
-+      br_flood(br, skb, skb2, __br_forward, unicast, true);
- }
- #ifdef CONFIG_BRIDGE_IGMP_SNOOPING