From: Eric Dumazet <edumazet@google.com>
Date: Fri, 3 Jun 2016 18:52:49 +0000 (-0700)
Subject: net/mlx4_en: mlx4_en_netpoll() should schedule TX, not RX
X-Git-Tag: v5.15~13202^2~389
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7d71e994cdef8055edf2d4dc1b7490e439602859;p=platform%2Fkernel%2Flinux-starfive.git

net/mlx4_en: mlx4_en_netpoll() should schedule TX, not RX

I am not sure mlx4_en_netpoll() is doing anything useful right now.

mlx4 has different NAPI structures for RX and TX, and netpoll only wants
to drain TX queues.

Lets schedule NAPI polls on TX, not RX.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 19ceced..973391b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1197,8 +1197,8 @@ static void mlx4_en_netpoll(struct net_device *dev)
 	struct mlx4_en_cq *cq;
 	int i;
 
-	for (i = 0; i < priv->rx_ring_num; i++) {
-		cq = priv->rx_cq[i];
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		cq = priv->tx_cq[i];
 		napi_schedule(&cq->napi);
 	}
 }