[ovs-dev] [PATCH] gre: strip gre-tso offload flags
wenxu at ucloud.cn
wenxu at ucloud.cn
Thu Dec 28 04:35:37 UTC 2017
From: wenxu <wenxu at ucloud.cn>
if the gro enable, ipgre receive a gre-tso package. After pop
the gre-tunnel the encapsulation and GSO_ENCAP flags should be
striped. or the packet encap again and will be dropped in
ovs_iptunnel_handle_offloads
Signed-off-by: wenxu <wenxu at ucloud.cn>
---
datapath/linux/compat/ip_gre.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/datapath/linux/compat/ip_gre.c b/datapath/linux/compat/ip_gre.c
index 03c5435..94fdaa9 100644
--- a/datapath/linux/compat/ip_gre.c
+++ b/datapath/linux/compat/ip_gre.c
@@ -140,6 +140,8 @@ static int ipgre_rcv(struct sk_buff *skb, const struct tnl_ptk_info *tpi)
__be64 tun_id;
int err;
+ if (iptunnel_pull_offloads(skb))
+ return PACKET_REJECT;
skb_pop_mac_header(skb);
flags = tpi->flags & (TUNNEL_CSUM | TUNNEL_KEY);
--
1.8.3.1
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