kernel: backport upstream usbnet fix (fixes #19455)

[openwrt/svn-archive/archive.git] / target / linux / generic / patches-3.18 / 644-bridge_optimize_netfilter_hooks.patch

diff --git a/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch
index bbfcaa402d33dee229572a322e1b52bd435e136d..4df94ca9d80b33d604cb08fb280cbd6523e2387e 100644 (file)
--- a/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch
+++ b/target/linux/generic/patches-3.18/644-bridge_optimize_netfilter_hooks.patch
@@ -67,13 +67,13 @@
        default:
 --- a/net/bridge/br_multicast.c
 +++ b/net/bridge/br_multicast.c
-@@ -815,7 +815,7 @@ static void __br_multicast_send_query(st
+@@ -814,7 +814,7 @@ static void __br_multicast_send_query(st
+ 
        if (port) {
-               __skb_push(skb, sizeof(struct ethhdr));
                skb->dev = port->dev;
 -              NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
 +              BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
-                       dev_queue_xmit);
+                       br_dev_queue_push_xmit);
        } else {
                br_multicast_select_own_querier(br, ip, skb);
 --- a/net/bridge/br_netfilter.c
@@ -96,22 +96,17 @@
        if (vlan_tx_tag_present(skb))
 --- a/net/bridge/br_private.h
 +++ b/net/bridge/br_private.h
-@@ -769,15 +769,29 @@ static inline int br_vlan_enabled(struct
+@@ -778,6 +778,24 @@ static inline void br_nf_core_fini(void)
+ #define br_netfilter_rtable_init(x)
+ #endif
  
- /* br_netfilter.c */
- #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
++#if IS_BUILTIN(CONFIG_BRIDGE_NETFILTER)
 +extern int brnf_call_ebtables;
- int br_nf_core_init(void);
- void br_nf_core_fini(void);
- void br_netfilter_rtable_init(struct net_bridge *);
 +bool br_netfilter_run_hooks(void);
- #else
- static inline int br_nf_core_init(void) { return 0; }
- static inline void br_nf_core_fini(void) {}
- #define br_netfilter_rtable_init(x)
++#else
 +#define br_netfilter_run_hooks()      false
- #endif
- 
++#endif
++
 +static inline int
 +BR_HOOK(uint8_t pf, unsigned int hook, struct sk_buff *skb,
 +      struct net_device *in, struct net_device *out,
@@ -139,17 +134,39 @@
  
 --- a/net/bridge/netfilter/ebtables.c
 +++ b/net/bridge/netfilter/ebtables.c
-@@ -2414,11 +2414,13 @@ static int __init ebtables_init(void)
+@@ -2414,11 +2414,19 @@ static int __init ebtables_init(void)
        }
  
        printk(KERN_INFO "Ebtables v2.0 registered\n");
++
++#if IS_BUILTIN(CONFIG_BRIDGE_NETFILTER)
 +      brnf_call_ebtables = 1;
++#endif
++
        return 0;
  }
  
  static void __exit ebtables_fini(void)
  {
++#if IS_BUILTIN(CONFIG_BRIDGE_NETFILTER)
 +      brnf_call_ebtables = 0;
++#endif
        nf_unregister_sockopt(&ebt_sockopts);
        xt_unregister_target(&ebt_standard_target);
        printk(KERN_INFO "Ebtables v2.0 unregistered\n");
+--- a/net/Kconfig
++++ b/net/Kconfig
+@@ -177,11 +177,11 @@ config NETFILTER_ADVANCED
+         If unsure, say Y.
+ 
+ config BRIDGE_NETFILTER
+-      tristate "Bridged IP/ARP packets filtering"
++      bool "Bridged IP/ARP packets filtering"
+       depends on BRIDGE
+       depends on NETFILTER && INET
+       depends on NETFILTER_ADVANCED
+-      default m
++      default y
+       ---help---
+         Enabling this option will let arptables resp. iptables see bridged
+         ARP resp. IP traffic. If you want a bridging firewall, you probably