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author | James Morris <james.l.morris@oracle.com> | 2014-10-01 00:44:04 +1000 |
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committer | James Morris <james.l.morris@oracle.com> | 2014-10-01 00:44:04 +1000 |
commit | 6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1 (patch) | |
tree | 2ab49b7d19fb69cdae5b6be9e7ba44f6cf3d45ef /net/openvswitch/vport-gre.c | |
parent | 35e1efd25a9e7d5cf2884fa23441ab87353849bb (diff) | |
parent | 19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff) | |
download | op-kernel-dev-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.zip op-kernel-dev-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.tar.gz |
Merge commit 'v3.16' into next
Diffstat (limited to 'net/openvswitch/vport-gre.c')
-rw-r--r-- | net/openvswitch/vport-gre.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c index 35ec4fe..f49148a 100644 --- a/net/openvswitch/vport-gre.c +++ b/net/openvswitch/vport-gre.c @@ -110,6 +110,22 @@ static int gre_rcv(struct sk_buff *skb, return PACKET_RCVD; } +/* Called with rcu_read_lock and BH disabled. */ +static int gre_err(struct sk_buff *skb, u32 info, + const struct tnl_ptk_info *tpi) +{ + struct ovs_net *ovs_net; + struct vport *vport; + + ovs_net = net_generic(dev_net(skb->dev), ovs_net_id); + vport = rcu_dereference(ovs_net->vport_net.gre_vport); + + if (unlikely(!vport)) + return PACKET_REJECT; + else + return PACKET_RCVD; +} + static int gre_tnl_send(struct vport *vport, struct sk_buff *skb) { struct net *net = ovs_dp_get_net(vport->dp); @@ -186,6 +202,7 @@ error: static struct gre_cisco_protocol gre_protocol = { .handler = gre_rcv, + .err_handler = gre_err, .priority = 1, }; |