atl1e:disable NETIF_F_TSO6 for hardware limit

For hardware limit to support TSOV6, just disable this feature
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index 955da73..1b5facf 100644 (file)
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -1666,41 +1666,6 @@ static int atl1e_tso_csum(struct atl1e_adapter *adapter,
                        }
                        return 0;
                }
-
-               if (offload_type & SKB_GSO_TCPV6) {
-                       real_len = (((unsigned char *)ipv6_hdr(skb) - skb->data)
-                                       + ntohs(ipv6_hdr(skb)->payload_len));
-                       if (real_len < skb->len)
-                               pskb_trim(skb, real_len);
-
-                       /* check payload == 0 byte ? */
-                       hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb));
-                       if (unlikely(skb->len == hdr_len)) {
-                               /* only xsum need */
-                               dev_warn(&pdev->dev,
-                                       "IPV6 tso with zero data??\n");
-                               goto check_sum;
-                       } else {
-                               tcp_hdr(skb)->check = ~csum_ipv6_magic(
-                                               &ipv6_hdr(skb)->saddr,
-                                               &ipv6_hdr(skb)->daddr,
-                                               0, IPPROTO_TCP, 0);
-                               tpd->word3 |= 1 << TPD_IP_VERSION_SHIFT;
-                               hdr_len >>= 1;
-                               tpd->word3 |= (hdr_len & TPD_V6_IPHLLO_MASK) <<
-                                       TPD_V6_IPHLLO_SHIFT;
-                               tpd->word3 |= ((hdr_len >> 3) &
-                                       TPD_V6_IPHLHI_MASK) <<
-                                       TPD_V6_IPHLHI_SHIFT;
-                               tpd->word3 |= (tcp_hdrlen(skb) >> 2 &
-                                       TPD_TCPHDRLEN_MASK) <<
-                                       TPD_TCPHDRLEN_SHIFT;
-                               tpd->word3 |= ((skb_shinfo(skb)->gso_size) &
-                                       TPD_MSS_MASK) << TPD_MSS_SHIFT;
-                                       tpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT;
-                       }
-               }
-               return 0;
        }
 
 check_sum:
@@ -2289,7 +2254,6 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
                NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
        netdev->features |= NETIF_F_LLTX;
        netdev->features |= NETIF_F_TSO;
-       netdev->features |= NETIF_F_TSO6;
 
        return 0;
 }