Commit 3eead213 authored Apr 18, 2013 by Sritej Velaga Committed by David S. Miller Apr 18, 2013

qlcnic: fix TSO race condition



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>

parent a4325ea2

drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -358,8 +358,7 @@ static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
		memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
		}
		opcode = TX_ETHER_PKT;
		if ((adapter->netdev->features & (NETIF_F_TSO \| NETIF_F_TSO6)) &&
		skb_shinfo(skb)->gso_size > 0) {
		if (skb_is_gso(skb)) {
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
		first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
		first_desc->total_hdr_length = hdr_len;