diff options
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_hw.c')
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_hw.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c index f776956..d9becb9 100644 --- a/drivers/net/qlcnic/qlcnic_hw.c +++ b/drivers/net/qlcnic/qlcnic_hw.c @@ -338,9 +338,15 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, if (nr_desc >= qlcnic_tx_avail(tx_ring)) { netif_tx_stop_queue(tx_ring->txq); - __netif_tx_unlock_bh(tx_ring->txq); - adapter->stats.xmit_off++; - return -EBUSY; + smp_mb(); + if (qlcnic_tx_avail(tx_ring) > nr_desc) { + if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) + netif_tx_wake_queue(tx_ring->txq); + } else { + adapter->stats.xmit_off++; + __netif_tx_unlock_bh(tx_ring->txq); + return -EBUSY; + } } do { |
