mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 16:31:13 +00:00
49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
From 1473b4cce85760c0202a08e6a48ec51867dc1bf7 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <john@phrozen.org>
|
|
Date: Tue, 3 May 2016 04:01:38 +0200
|
|
Subject: [PATCH 091/102] net-next: mediatek: only wake the queue if it is
|
|
stopped
|
|
|
|
The current code unconditionally wakes up the queue at the end of each
|
|
tx_poll action. Change the code to only wake up the queues if any of
|
|
them have actually been stopped before.
|
|
|
|
Signed-off-by: John Crispin <john@phrozen.org>
|
|
---
|
|
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 17 ++++++++++++++++-
|
|
1 file changed, 16 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
@@ -716,6 +716,20 @@ static inline int mtk_cal_txd_req(struct
|
|
return nfrags;
|
|
}
|
|
|
|
+static int mtk_queue_stopped(struct mtk_eth *eth)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < MTK_MAC_COUNT; i++) {
|
|
+ if (!eth->netdev[i])
|
|
+ continue;
|
|
+ if (netif_queue_stopped(eth->netdev[i]))
|
|
+ return 1;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static void mtk_wake_queue(struct mtk_eth *eth)
|
|
{
|
|
int i;
|
|
@@ -960,7 +974,8 @@ static int mtk_poll_tx(struct mtk_eth *e
|
|
if (!total)
|
|
return 0;
|
|
|
|
- if (atomic_read(&ring->free_count) > ring->thresh)
|
|
+ if (mtk_queue_stopped(eth) &&
|
|
+ (atomic_read(&ring->free_count) > ring->thresh))
|
|
mtk_wake_queue(eth);
|
|
|
|
return total;
|