Commit efbbced3 authored Nov 26, 2008 by Patrick McHardy Committed by David S. Miller Nov 26, 2008

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: Ben Greear <greearb@candelatech.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7e5ab542

drivers/net/macvlan.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;