Commit 4d172f21 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller

bnxt_en: Implement xmit_more.

Do not write the TX doorbell if skb->xmit_more is set unless the TX
queue is full.
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 434c975a
...@@ -463,13 +463,17 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) ...@@ -463,13 +463,17 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
prod = NEXT_TX(prod); prod = NEXT_TX(prod);
txr->tx_prod = prod; txr->tx_prod = prod;
bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod); if (!skb->xmit_more)
bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);
tx_done: tx_done:
mmiowb(); mmiowb();
if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) { if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) {
if (skb->xmit_more && !tx_buf->is_push)
bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);
netif_tx_stop_queue(txq); netif_tx_stop_queue(txq);
/* netif_tx_stop_queue() must be done before checking /* netif_tx_stop_queue() must be done before checking
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment