diff options
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; |