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Date: Wed, 2 Dec 2009 11:18:34 +0800 From: <jie.yang@...eros.com> To: <davem@...emloft.net> CC: <ben@...adent.org.uk>, <558426@...s.debian.org>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Jie Yang <jie.yang@...eros.com> Subject: [PATCH net-next]atl1e:disable NETIF_F_TSO6 for hardware limit From: Jie Yang <jie.yang@...eros.com> For hardware limit to support TSOV6, just disable this feature Signed-off-by: Jie Yang <jie.yang@...eros.com> --- drivers/net/atl1e/atl1e_main.c | 36 ------------------------------------ 1 files changed, 0 insertions(+), 36 deletions(-) diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c index ad17e74..08f8c09 100644 --- a/drivers/net/atl1e/atl1e_main.c +++ b/drivers/net/atl1e/atl1e_main.c @@ -1664,41 +1664,6 @@ 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: @@ -2287,7 +2252,6 @@ 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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