skbuff: bridge: Add layer 2 miss indication

[linux-2.6-microblaze.git] / net / bridge / br_private.h

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 2119729..a63b32c 100644 (file)
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -15,6 +15,7 @@
 #include <linux/u64_stats_sync.h>
 #include <net/route.h>
 #include <net/ip6_fib.h>
+#include <net/pkt_cls.h>
 #include <linux/if_vlan.h>
 #include <linux/rhashtable.h>
 #include <linux/refcount.h>
@@ -754,6 +755,32 @@ void br_boolopt_multi_get(const struct net_bridge *br,
                          struct br_boolopt_multi *bm);
 void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on);
 
+#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
+static inline void br_tc_skb_miss_set(struct sk_buff *skb, bool miss)
+{
+       struct tc_skb_ext *ext;
+
+       if (!tc_skb_ext_tc_enabled())
+               return;
+
+       ext = skb_ext_find(skb, TC_SKB_EXT);
+       if (ext) {
+               ext->l2_miss = miss;
+               return;
+       }
+       if (!miss)
+               return;
+       ext = tc_skb_ext_alloc(skb);
+       if (!ext)
+               return;
+       ext->l2_miss = true;
+}
+#else
+static inline void br_tc_skb_miss_set(struct sk_buff *skb, bool miss)
+{
+}
+#endif
+
 /* br_device.c */
 void br_dev_setup(struct net_device *dev);
 void br_dev_delete(struct net_device *dev, struct list_head *list);