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

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

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+5 −1
Original line number Diff line number Diff line
@@ -463,6 +463,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	prod = NEXT_TX(prod);

	txr->tx_prod = prod;



	if (!skb->xmit_more)

		bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);



tx_done:
@@ -470,6 +471,9 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	mmiowb();



	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() must be done before checking