Found this problem when testing IPv6 from a KVM guest to a remote
host via e1000e device on the host.
The following patch fixes the check for IPv6 GSO packet in Intel
ethernet drivers to use skb_is_gso_v6(). SKB_GSO_DODGY is also set
when packets are forwarded from a guest.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                                                         0, IPPROTO_TCP, 0);
                cmd_length = E1000_TXD_CMD_IP;
                ipcse = skb_transport_offset(skb) - 1;
-       } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+       } else if (skb_is_gso_v6(skb)) {
                ipv6_hdr(skb)->payload_len = 0;
                tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
                                                       &ipv6_hdr(skb)->daddr,
 
                                                         iph->daddr, 0,
                                                         IPPROTO_TCP,
                                                         0);
-       } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+       } else if (skb_is_gso_v6(skb)) {
                ipv6_hdr(skb)->payload_len = 0;
                tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
                                                       &ipv6_hdr(skb)->daddr,
 
                                                         iph->daddr, 0,
                                                         IPPROTO_TCP,
                                                         0);
-       } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+       } else if (skb_is_gso_v6(skb)) {
                ipv6_hdr(skb)->payload_len = 0;
                tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
                                                       &ipv6_hdr(skb)->daddr,
 
                                                                 iph->daddr, 0,
                                                                 IPPROTO_TCP,
                                                                 0);
-               } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+               } else if (skb_is_gso_v6(skb)) {
                        ipv6_hdr(skb)->payload_len = 0;
                        tcp_hdr(skb)->check =
                            ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,