net: Fix IPv6 GSO type checks in Intel ethernet drivers

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 2ca173453b66..997124d2992a 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3422,7 +3422,7 @@ static inline int igb_tso_adv(struct igb_ring *tx_ring,
                                                          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,