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path: root/net/bridge/br_forward.c
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Diffstat (limited to 'net/bridge/br_forward.c')
-rw-r--r--net/bridge/br_forward.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index d610644368b9..204f99304a8a 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -138,17 +138,18 @@ void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
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)
+void br_forward(const struct net_bridge_port *to, struct sk_buff *skb,
+ bool local_rcv)
{
if (to && should_deliver(to, skb)) {
- if (skb0)
+ if (local_rcv)
deliver_clone(to, skb, __br_forward);
else
__br_forward(to, skb);
return;
}
- if (!skb0)
+ if (!local_rcv)
kfree_skb(skb);
}
@@ -193,10 +194,9 @@ out:
/* called under bridge lock */
static void br_flood(struct net_bridge *br, struct sk_buff *skb,
- struct sk_buff *skb0,
void (*__packet_hook)(const struct net_bridge_port *p,
struct sk_buff *skb),
- bool unicast)
+ bool local_rcv, bool unicast)
{
u8 igmp_type = br_multicast_igmp_type(skb);
struct net_bridge_port *prev;
@@ -227,14 +227,14 @@ static void br_flood(struct net_bridge *br, struct sk_buff *skb,
if (!prev)
goto out;
- if (skb0)
+ if (local_rcv)
deliver_clone(prev, skb, __packet_hook);
else
__packet_hook(prev, skb);
return;
out:
- if (!skb0)
+ if (!local_rcv)
kfree_skb(skb);
}
@@ -242,23 +242,24 @@ 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, __br_deliver, false, unicast);
}
/* called under bridge lock */
void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
- struct sk_buff *skb2, bool unicast)
+ bool local_rcv, bool unicast)
{
- br_flood(br, skb, skb2, __br_forward, unicast);
+ br_flood(br, skb, __br_forward, local_rcv, unicast);
}
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
/* called with rcu_read_lock */
static void br_multicast_flood(struct net_bridge_mdb_entry *mdst,
- struct sk_buff *skb, struct sk_buff *skb0,
+ struct sk_buff *skb,
void (*__packet_hook)(
const struct net_bridge_port *p,
- struct sk_buff *skb))
+ struct sk_buff *skb),
+ bool local_rcv)
{
struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;
u8 igmp_type = br_multicast_igmp_type(skb);
@@ -295,14 +296,14 @@ static void br_multicast_flood(struct net_bridge_mdb_entry *mdst,
if (!prev)
goto out;
- if (skb0)
+ if (local_rcv)
deliver_clone(prev, skb, __packet_hook);
else
__packet_hook(prev, skb);
return;
out:
- if (!skb0)
+ if (!local_rcv)
kfree_skb(skb);
}
@@ -310,13 +311,13 @@ out:
void br_multicast_deliver(struct net_bridge_mdb_entry *mdst,
struct sk_buff *skb)
{
- br_multicast_flood(mdst, skb, NULL, __br_deliver);
+ br_multicast_flood(mdst, skb, __br_deliver, false);
}
/* called with rcu_read_lock */
void br_multicast_forward(struct net_bridge_mdb_entry *mdst,
- struct sk_buff *skb, struct sk_buff *skb2)
+ struct sk_buff *skb, bool local_rcv)
{
- br_multicast_flood(mdst, skb, skb2, __br_forward);
+ br_multicast_flood(mdst, skb, __br_forward, local_rcv);
}
#endif