From 7c7afb083675b3d4d012a2aacec3a958ba484ab0 Mon Sep 17 00:00:00 2001 From: Jie Yang Date: Tue, 1 Dec 2009 17:18:34 +0000 Subject: atl1e:disable NETIF_F_TSO6 for hardware limit For hardware limit to support TSOV6, just disable this feature Signed-off-by: Jie Yang Signed-off-by: David S. Miller --- drivers/net/atl1e/atl1e_main.c | 36 ------------------------------------ 1 file changed, 36 deletions(-) (limited to 'drivers/net/atl1e/atl1e_main.c') diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c index 955da733c2ad..1b5facfcdc08 100644 --- 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; } -- cgit v1.2.3