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* [PATCH net-next] sfc: use the new __netdev_tx_sent_queue BQL optimisation
@ 2018-11-08 19:47 Edward Cree
  2018-11-08 20:13 ` Eric Dumazet
  2018-11-09  4:01 ` David Miller
  0 siblings, 2 replies; 3+ messages in thread
From: Edward Cree @ 2018-11-08 19:47 UTC (permalink / raw)
  To: linux-net-drivers, davem; +Cc: netdev

As added in 3e59020abf0f ("net: bql: add __netdev_tx_sent_queue()"), which
 see for performance rationale.

Signed-off-by: Edward Cree <ecree@solarflare.com>
---
 drivers/net/ethernet/sfc/tx.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index c3ad564ac4c0..22eb059086f7 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -553,13 +553,10 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
 	if (!data_mapped && (efx_tx_map_data(tx_queue, skb, segments)))
 		goto err;
 
-	/* Update BQL */
-	netdev_tx_sent_queue(tx_queue->core_txq, skb_len);
-
 	efx_tx_maybe_stop_queue(tx_queue);
 
 	/* Pass off to hardware */
-	if (!xmit_more || netif_xmit_stopped(tx_queue->core_txq)) {
+	if (__netdev_tx_sent_queue(tx_queue->core_txq, skb_len, xmit_more)) {
 		struct efx_tx_queue *txq2 = efx_tx_queue_partner(tx_queue);
 
 		/* There could be packets left on the partner queue if those

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next] sfc: use the new __netdev_tx_sent_queue BQL optimisation
  2018-11-08 19:47 [PATCH net-next] sfc: use the new __netdev_tx_sent_queue BQL optimisation Edward Cree
@ 2018-11-08 20:13 ` Eric Dumazet
  2018-11-09  4:01 ` David Miller
  1 sibling, 0 replies; 3+ messages in thread
From: Eric Dumazet @ 2018-11-08 20:13 UTC (permalink / raw)
  To: Edward Cree, linux-net-drivers, davem; +Cc: netdev



On 11/08/2018 11:47 AM, Edward Cree wrote:
> As added in 3e59020abf0f ("net: bql: add __netdev_tx_sent_queue()"), which
>  see for performance rationale.
> 
> Signed-off-by: Edward Cree <ecree@solarflare.com>
> ---
>  drivers/net/ethernet/sfc/tx.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
> index c3ad564ac4c0..22eb059086f7 100644
> --- a/drivers/net/ethernet/sfc/tx.c
> +++ b/drivers/net/ethernet/sfc/tx.c
> @@ -553,13 +553,10 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
>  	if (!data_mapped && (efx_tx_map_data(tx_queue, skb, segments)))
>  		goto err;
>  
> -	/* Update BQL */
> -	netdev_tx_sent_queue(tx_queue->core_txq, skb_len);
> -
>  	efx_tx_maybe_stop_queue(tx_queue);
>  
>  	/* Pass off to hardware */
> -	if (!xmit_more || netif_xmit_stopped(tx_queue->core_txq)) {
> +	if (__netdev_tx_sent_queue(tx_queue->core_txq, skb_len, xmit_more)) {
>  		struct efx_tx_queue *txq2 = efx_tx_queue_partner(tx_queue);
>  
>  		/* There could be packets left on the partner queue if those
> 

Reviewed-by: Eric Dumazet <edumazet@google.com>

Thanks !

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next] sfc: use the new __netdev_tx_sent_queue BQL optimisation
  2018-11-08 19:47 [PATCH net-next] sfc: use the new __netdev_tx_sent_queue BQL optimisation Edward Cree
  2018-11-08 20:13 ` Eric Dumazet
@ 2018-11-09  4:01 ` David Miller
  1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2018-11-09  4:01 UTC (permalink / raw)
  To: ecree; +Cc: linux-net-drivers, netdev

From: Edward Cree <ecree@solarflare.com>
Date: Thu, 8 Nov 2018 19:47:19 +0000

> As added in 3e59020abf0f ("net: bql: add __netdev_tx_sent_queue()"), which
>  see for performance rationale.
> 
> Signed-off-by: Edward Cree <ecree@solarflare.com>

Applied.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-11-09 13:40 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-11-08 19:47 [PATCH net-next] sfc: use the new __netdev_tx_sent_queue BQL optimisation Edward Cree
2018-11-08 20:13 ` Eric Dumazet
2018-11-09  4:01 ` David Miller

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