Commit b2100cc5 authored Apr 04, 2019 by Toke Høiland-Jørgensen Committed by David S. Miller Apr 04, 2019

sch_cake: Use tc_skb_protocol() helper for getting packet protocol



We shouldn't be using skb->protocol directly as that will miss cases with
hardware-accelerated VLAN tags. Use the helper instead to get the right
protocol number.

Reported-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent aecfde23

net/sched/sch_cake.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1519,7 +1519,7 @@ static u8 cake_handle_diffserv(struct sk_buff *skb, u16 wash)
		{
		u8 dscp;

		switch (skb->protocol) {
		switch (tc_skb_protocol(skb)) {
		case htons(ETH_P_IP):
		dscp = ipv4_get_dsfield(ip_hdr(skb)) >> 2;
		if (wash && dscp)