OpenWrt – Rev 4
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From 5022efb50f625d11fdf18b1fee0f64ebb1863664 Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 26 Sep 2018 12:24:55 +0200
Subject: [PATCH 04/28] rt2x00: do not check for txstatus timeout every time on
tasklet
Do not check for tx status timeout everytime we perform txstatus tasklet.
Perform check once per half a second.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 +++++++
drivers/net/wireless/ralink/rt2x00/rt2800mmio.c | 3 ++-
drivers/net/wireless/ralink/rt2x00/rt2x00.h | 2 ++
drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 1 +
4 files changed, 12 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -1158,11 +1158,18 @@ bool rt2800_txstatus_timeout(struct rt2x
struct data_queue *queue;
struct queue_entry *entry;
+ if (time_before(jiffies,
+ rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
+ return false;
+
+ rt2x00dev->last_nostatus_check = jiffies;
+
tx_queue_for_each(rt2x00dev, queue) {
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
if (rt2800_entry_txstatus_timeout(entry))
return true;
}
+
return false;
}
EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
@@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigne
rt2800_txdone(rt2x00dev);
- rt2800_txdone_nostatus(rt2x00dev);
+ if (rt2800_txstatus_timeout(rt2x00dev))
+ rt2800_txdone_nostatus(rt2x00dev);
if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
rt2800mmio_enable_interrupt(rt2x00dev,
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -980,6 +980,8 @@ struct rt2x00_dev {
*/
DECLARE_KFIFO_PTR(txstatus_fifo, u32);
+ unsigned long last_nostatus_check;
+
/*
* Timer to ensure tx status reports are read (rt2800usb).
*/
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
@@ -1039,6 +1039,7 @@ void rt2x00queue_start_queues(struct rt2
*/
tx_queue_for_each(rt2x00dev, queue)
rt2x00queue_start_queue(queue);
+ rt2x00dev->last_nostatus_check = jiffies;
rt2x00queue_start_queue(rt2x00dev->rx);
}