Commit 4fe44dd7 authored by Kumar Sanghvi's avatar Kumar Sanghvi Committed by David S. Miller

cxgb4: LE-Workaround is not atomic in firmware

The LE workaround in firmware is not atomic and fw_ofld_connection_wrs must not interleave.
Therefore, when the workaround is enabled, we need to send all ctrlq WRs on a single ctrl queue.

Based on original work by Santosh Rastapur <santosh@chelsio.com>
Signed-off-by: default avatarKumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 57d8b764
......@@ -1467,8 +1467,12 @@ static inline int ofld_send(struct adapter *adap, struct sk_buff *skb)
{
unsigned int idx = skb_txq(skb);
if (unlikely(is_ctrl_pkt(skb)))
if (unlikely(is_ctrl_pkt(skb))) {
/* Single ctrl queue is a requirement for LE workaround path */
if (adap->tids.nsftids)
idx = 0;
return ctrl_xmit(&adap->sge.ctrlq[idx], skb);
}
return ofld_xmit(&adap->sge.ofldtxq[idx], skb);
}
......
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