diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2010-07-11 09:31:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-11 17:07:41 -0700 |
| commit | 34195c3dce84fd0ee47f4131584ff1f6f283b93c (patch) | |
| tree | 7a0ee11aed71564cc4eccc870294dd194ee4e57e /drivers/net/tg3.c | |
| parent | 20d7375c1fdf054ca8ab9e5b9fe7fe62b39fa218 (diff) | |
tg3: Fix IPv6 TSO code in tg3_start_xmit_dma_bug()
The tg3_start_xmit_dma_bug() function was missing code to process IPv6
TSO packets. This patch adds the missing support.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 57dba794d31..efac448ded1 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -5779,7 +5779,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb, if ((mss = skb_shinfo(skb)->gso_size) != 0) { struct iphdr *iph; - u32 tcp_opt_len, ip_tcp_len, hdr_len; + u32 tcp_opt_len, hdr_len; if (skb_header_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { @@ -5787,10 +5787,21 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb, goto out_unlock; } + iph = ip_hdr(skb); tcp_opt_len = tcp_optlen(skb); - ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr); - hdr_len = ip_tcp_len + tcp_opt_len; + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) { + hdr_len = skb_headlen(skb) - ETH_HLEN; + } else { + u32 ip_tcp_len; + + ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr); + hdr_len = ip_tcp_len + tcp_opt_len; + + iph->check = 0; + iph->tot_len = htons(mss + hdr_len); + } + if (unlikely((ETH_HLEN + hdr_len) > 80) && (tp->tg3_flags2 & TG3_FLG2_TSO_BUG)) return tg3_tso_bug(tp, skb); @@ -5798,9 +5809,6 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb, base_flags |= (TXD_FLAG_CPU_PRE_DMA | TXD_FLAG_CPU_POST_DMA); - iph = ip_hdr(skb); - iph->check = 0; - iph->tot_len = htons(mss + hdr_len); if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) { tcp_hdr(skb)->check = 0; base_flags &= ~TXD_FLAG_TCPUDP_CSUM; |