@@ -125,9 +125,11 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
netdev_features_t enc_features;
int ghl = GRE_HEADER_SECTION;
struct gre_base_hdr *greh;
+ struct iphdr *iph;
int mac_len = skb->mac_len;
int tnl_hlen;
bool csum;
+ __be16 id;
if (unlikely(skb_shinfo(skb)->gso_type &
~(SKB_GSO_TCPV4 |
@@ -170,6 +172,8 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
skb_set_network_header(skb, skb_inner_network_offset(skb));
skb->mac_len = skb_inner_network_offset(skb);
+ iph = (struct iphdr *)skb->data;
+ id = iph->id;
/* segment inner packet. */
enc_features = skb->dev->hw_enc_features & netif_skb_features(skb);
segs = skb_mac_gso_segment(skb, enc_features);
@@ -179,6 +183,8 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
skb = segs;
tnl_hlen = skb_tnl_header_len(skb);
do {
+ iph = (struct iphdr *)skb->data;
+ iph->id = id++;
__skb_push(skb, ghl);
if (csum) {
__be32 *pcsum;