netdev - [PATCH 36/39] mv643xx_eth: be more agressive about RX refill

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Message-Id: <1212490974-23719-37-git-send-email-buytenh@wantstofly.org>
Date:	Tue,  3 Jun 2008 13:02:51 +0200
From:	Lennert Buytenhek <buytenh@...tstofly.org>
To:	Dale Farnsworth <dale@...nsworth.org>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 36/39] mv643xx_eth: be more agressive about RX refill

During OOM, instead of stopping RX refill when the rx desc ring is
not empty, keep trying to refill the ring as long as it is not full
instead.

Signed-off-by: Lennert Buytenhek <buytenh@...vell.com>
---
 drivers/net/mv643xx_eth.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index a7c5421..0f8e79f 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -475,7 +475,7 @@ static void rxq_refill(struct rx_queue *rxq)
 		skb_reserve(skb, 2);
 	}
 
-	if (rxq->rx_desc_count == 0) {
+	if (rxq->rx_desc_count != rxq->rx_ring_size) {
 		rxq->rx_oom.expires = jiffies + (HZ / 10);
 		add_timer(&rxq->rx_oom);
 	}
-- 
1.5.3.4

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