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authorJesse Gross <jesse@nicira.com>2012-04-02 15:13:36 -0700
committerJesse Gross <jesse@nicira.com>2012-04-02 15:13:36 -0700
commitc55177e3e1e8a89d9d810d95ac18cb104865322c (patch)
tree82fc19bccd03a2ec0c2139d651f61ecd33a08987 /net/openvswitch
parentbf32fecdc1851ad9ca960f56771b798d17c26cf1 (diff)
downloadlinux-c55177e3e1e8a89d9d810d95ac18cb104865322c.tar.gz
openvswitch: Enable retrieval of TCP flags from IPv6 traffic.
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 <mmao@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'net/openvswitch')
-rw-r--r--net/openvswitch/flow.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 2a11ec2383e..c6e1dae8a5e 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);