kernel: re-add bridge allow reception on disabled port

[oweals/openwrt.git] / target / linux / generic / pending-4.14 / 150-bridge_allow_receiption_on_disabled_port.patch

diff --git a/target/linux/generic/pending-4.14/150-bridge_allow_receiption_on_disabled_port.patch b/target/linux/generic/pending-4.14/150-bridge_allow_receiption_on_disabled_port.patch
index 9fcffdee06746202a67719e71efff26b6ecce7a6..d50280a8817f68c42ee609397b4b9fe42e04cbed 100644 (file)
--- a/target/linux/generic/pending-4.14/150-bridge_allow_receiption_on_disabled_port.patch
+++ b/target/linux/generic/pending-4.14/150-bridge_allow_receiption_on_disabled_port.patch
@@ -15,17 +15,19 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/net/bridge/br_input.c
 +++ b/net/bridge/br_input.c
-@@ -239,7 +239,8 @@ static int br_handle_local_finish(struct
+@@ -237,7 +237,10 @@ static void __br_handle_local_finish(str
+ /* note: already called with rcu_read_lock */
+ static int br_handle_local_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
  {
-       struct net_bridge_port *p = br_port_get_rcu(skb->dev);
- 
 -      __br_handle_local_finish(skb);
++      struct net_bridge_port *p = br_port_get_rcu(skb->dev);
++
 +      if (p->state != BR_STATE_DISABLED)
 +              __br_handle_local_finish(skb);
  
-       BR_INPUT_SKB_CB(skb)->brdev = p->br->dev;
-       br_pass_frame_up(skb);
-@@ -327,6 +328,15 @@ rx_handler_result_t br_handle_frame(stru
+       /* return 1 to signal the okfn() was called so it's ok to use the skb */
+       return 1;
+@@ -332,6 +335,17 @@ rx_handler_result_t br_handle_frame(stru
  
  forward:
        switch (p->state) {
@@ -33,9 +35,11 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +              if (ether_addr_equal(p->br->dev->dev_addr, dest))
 +                      skb->pkt_type = PACKET_HOST;
 +
-+              NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
++              if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING,
 +                      dev_net(skb->dev), NULL, skb, skb->dev, NULL,
-+                      br_handle_local_finish);
++                      br_handle_local_finish) == 1) {
++                      return RX_HANDLER_PASS;
++              }
 +              break;
 +
        case BR_STATE_FORWARDING: