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atl1e:disable NETIF_F_TSO6 for hardware limit

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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>
This commit is contained in:
Jie Yang 2009-12-01 17:18:34 +00:00 committed by David S. Miller
parent b2722b1c3a
commit 7c7afb0836
1 changed files with 0 additions and 36 deletions
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36
drivers/net/atl1e/atl1e_main.c
View file

@ -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;
}