Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / net / ipv6 / ip6_offload.c

diff --git a/kernel/net/ipv6/ip6_offload.c b/kernel/net/ipv6/ip6_offload.c
index eeca943..225f5f7 100644 (file)
--- a/kernel/net/ipv6/ip6_offload.c
+++ b/kernel/net/ipv6/ip6_offload.c
@@ -196,6 +196,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
        ops = rcu_dereference(inet6_offloads[proto]);
        if (!ops || !ops->callbacks.gro_receive) {
                __pskb_pull(skb, skb_gro_offset(skb));
+               skb_gro_frag0_invalidate(skb);
                proto = ipv6_gso_pull_exthdrs(skb, proto);
                skb_gro_pull(skb, -skb_transport_offset(skb));
                skb_reset_transport_header(skb);
@@ -247,7 +248,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 
        skb_gro_postpull_rcsum(skb, iph, nlen);
 
-       pp = ops->callbacks.gro_receive(head, skb);
+       pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
 
 out_unlock:
        rcu_read_unlock();
@@ -258,6 +259,19 @@ out:
        return pp;
 }
 
+static struct sk_buff **sit_gro_receive(struct sk_buff **head,
+                                       struct sk_buff *skb)
+{
+       if (NAPI_GRO_CB(skb)->encap_mark) {
+               NAPI_GRO_CB(skb)->flush = 1;
+               return NULL;
+       }
+
+       NAPI_GRO_CB(skb)->encap_mark = 1;
+
+       return ipv6_gro_receive(head, skb);
+}
+
 static int ipv6_gro_complete(struct sk_buff *skb, int nhoff)
 {
        const struct net_offload *ops;
@@ -302,7 +316,7 @@ static struct packet_offload ipv6_packet_offload __read_mostly = {
 static const struct net_offload sit_offload = {
        .callbacks = {
                .gso_segment    = ipv6_gso_segment,
-               .gro_receive    = ipv6_gro_receive,
+               .gro_receive    = sit_gro_receive,
                .gro_complete   = sit_gro_complete,
        },
 };