Commit efbbced3 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller

macvlan: don't broadcast PAUSE frames to macvlan devices

PAUSE frames are only relevant for the real device, broadcasting them
to all macvlan devices can cause a significant load increase.
Reported-by: default avatarBen Greear <greearb@candelatech.com>
Tested-by: default avatarBen Greear <greearb@candelatech.com>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7e5ab542
......@@ -70,6 +70,9 @@ static void macvlan_broadcast(struct sk_buff *skb,
struct sk_buff *nskb;
unsigned int i;
if (skb->protocol == htons(ETH_P_PAUSE))
return;
for (i = 0; i < MACVLAN_HASH_SIZE; i++) {
hlist_for_each_entry_rcu(vlan, n, &port->vlan_hash[i], hlist) {
dev = vlan->dev;
......
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