Messages in this thread Patch in this message | | | From | Sieng Piaw Liew <> | Subject | [PATCH net-next v2 6/6] bcm63xx_enet: improve rx loop | Date | Thu, 24 Dec 2020 22:24:21 +0800 |
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Use existing rx processed count to track against budget, thereby making budget decrement operation redundant.
rx_desc_count can be calculated outside the rx loop, making the loop a bit smaller.
Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com> --- drivers/net/ethernet/broadcom/bcm63xx_enet.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c index 8c2e97311a2c..5ff0d39be2b2 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c @@ -339,7 +339,6 @@ static int bcm_enet_receive_queue(struct net_device *dev, int budget) priv->rx_curr_desc++; if (priv->rx_curr_desc == priv->rx_ring_size) priv->rx_curr_desc = 0; - priv->rx_desc_count--; /* if the packet does not have start of packet _and_ * end of packet flag set, then just recycle it */ @@ -404,9 +403,10 @@ static int bcm_enet_receive_queue(struct net_device *dev, int budget) dev->stats.rx_bytes += len; list_add_tail(&skb->list, &rx_list); - } while (--budget > 0); + } while (processed < budget); netif_receive_skb_list(&rx_list); + priv->rx_desc_count -= processed; if (processed || !priv->rx_desc_count) { bcm_enet_refill_rx(dev, true); -- 2.17.1
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