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author | David S. Miller <davem@davemloft.net> | 2014-07-16 14:09:34 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2014-07-16 14:09:34 -0700 |
commit | 1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch) | |
tree | a243defcf921ea174f8e43fce11d06830a6a9c36 /net/openvswitch/vport-gre.c | |
parent | Merge branch 'bonding-next' (diff) | |
parent | Merge tag 'for-linus-20140716' of git://git.infradead.org/linux-mtd (diff) | |
download | linux-dev-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.xz linux-dev-1a98c69af1ecd97bfd1f4e4539924a9192434e36.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
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 35ec4fed09e2..f49148a07da2 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, }; |