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-rw-r--r--net/bridge/br_device.c1
-rw-r--r--net/bridge/br_forward.c3
-rw-r--r--net/bridge/br_input.c1
-rw-r--r--net/bridge/br_private.h27
4 files changed, 32 insertions, 0 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 8eca8a5c80c6..9a5ea06236bd 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -39,6 +39,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
u16 vid = 0;
memset(skb->cb, 0, sizeof(struct br_input_skb_cb));
+ br_tc_skb_miss_set(skb, false);
rcu_read_lock();
nf_ops = rcu_dereference(nf_br_ops);
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 84d6dd5e5b1a..6116eba1bd89 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -203,6 +203,8 @@ void br_flood(struct net_bridge *br, struct sk_buff *skb,
struct net_bridge_port *prev = NULL;
struct net_bridge_port *p;
+ br_tc_skb_miss_set(skb, pkt_type != BR_PKT_BROADCAST);
+
list_for_each_entry_rcu(p, &br->port_list, list) {
/* Do not flood unicast traffic to ports that turn it off, nor
* other traffic if flood off, except for traffic we originate
@@ -295,6 +297,7 @@ void br_multicast_flood(struct net_bridge_mdb_entry *mdst,
allow_mode_include = false;
} else {
p = NULL;
+ br_tc_skb_miss_set(skb, true);
}
while (p || rp) {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index fc17b9fd93e6..c34a0b0901b0 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -334,6 +334,7 @@ static rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
return RX_HANDLER_CONSUMED;
memset(skb->cb, 0, sizeof(struct br_input_skb_cb));
+ br_tc_skb_miss_set(skb, false);
p = br_port_get_rcu(skb->dev);
if (p->flags & BR_VLAN_TUNNEL)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 2119729ded2b..a63b32c1638e 100644
--- 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);