We currently check that a packet is IPv4 and TCP before fetching the
TCP flags. This enables fetching from IPv6 packets as well.
Reported-by: Michael Mao <m...@nicira.com>
Signed-off-by: Jesse Gross <je...@nicira.com>
---
net/openvswitch/flow.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 2a11ec2..c6e1dae 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -182,7 +182,8 @@ void ovs_flow_used(struct sw_flow *flow, struct sk_buff
*skb)
{
u8 tcp_flags = 0;
- if (flow->key.eth.type == htons(ETH_P_IP) &&
+ if ((flow->key.eth.type == htons(ETH_P_IP) ||
+ flow->key.eth.type == htons(ETH_P_IPV6)) &&
flow->key.ip.proto == IPPROTO_TCP &&
likely(skb->len >= skb_transport_offset(skb) + sizeof(struct
tcphdr))) {
u8 *tcp = (u8 *)tcp_hdr(skb);
--
1.7.9.5
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