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qlcnic: fix TSO race condition

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When driver receives a packet with gso size > 0 and when TSO is disabled,
it should be transmitted as a TSO packet to prevent Tx timeout and subsequent
firmware reset.

Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sritej Velaga 2013-04-18 08:10:05 +00:00 committed by David S. Miller
parent a4325ea242
commit 3eead213fe
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
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@ -358,8 +358,7 @@ set_flags:
memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
} }
opcode = TX_ETHER_PKT; opcode = TX_ETHER_PKT;
if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && if (skb_is_gso(skb)) {
skb_shinfo(skb)->gso_size > 0) {
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
first_desc->total_hdr_length = hdr_len; first_desc->total_hdr_length = hdr_len;