According to the previous discussion [1] on netdev list, DaveM insists
we should increase the IP header ID for each segmented packets.
This patch fixes it.
Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
1. http://marc.info/?t=
136384172700001&r=1&w=2
Signed-off-by: David S. Miller <davem@davemloft.net>
netdev_features_t enc_features;
int ghl = GRE_HEADER_SECTION;
struct gre_base_hdr *greh;
netdev_features_t enc_features;
int ghl = GRE_HEADER_SECTION;
struct gre_base_hdr *greh;
int mac_len = skb->mac_len;
int mac_len = skb->mac_len;
bool csum;
if (unlikely(skb_shinfo(skb)->gso_type &
bool csum;
if (unlikely(skb_shinfo(skb)->gso_type &
skb_set_network_header(skb, skb_inner_network_offset(skb));
skb->mac_len = skb_inner_network_offset(skb);
skb_set_network_header(skb, skb_inner_network_offset(skb));
skb->mac_len = skb_inner_network_offset(skb);
+ iph = ip_hdr(skb);
+ id = ntohs(iph->id);
/* segment inner packet. */
enc_features = skb->dev->hw_enc_features & netif_skb_features(skb);
segs = skb_mac_gso_segment(skb, enc_features);
/* segment inner packet. */
enc_features = skb->dev->hw_enc_features & netif_skb_features(skb);
segs = skb_mac_gso_segment(skb, enc_features);
skb = segs;
tnl_hlen = skb_tnl_header_len(skb);
do {
skb = segs;
tnl_hlen = skb_tnl_header_len(skb);
do {
+ iph = (struct iphdr *)skb->data;
+ iph->id = htons(id++);
__skb_push(skb, ghl);
if (csum) {
__be32 *pcsum;
__skb_push(skb, ghl);
if (csum) {
__be32 *pcsum;