openwrt/package/kernel/mac80211/patches/rt2x00/703-rt2x00-do-not-check-for-txstatus-timeout-every-time-.patch
Daniel Golle de1c58a64b mac80211: rt2x00: add experimental patches from Stanislaw Gruszka
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2018-09-26 16:39:44 +02:00

83 lines
3.0 KiB
Diff

From b5d6e37ea15949a126907050d8cfa4408153a0cd Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Fri, 18 May 2018 12:25:10 +0200
Subject: [PATCH 3/5] 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>
---
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(-)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 9f2835729016..0c56c7dca55f 100644
--- 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 rt2x00_dev *rt2x00dev)
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);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
index aa8449a5e8fe..d0426314c2df 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
@@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigned long data)
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,
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index a279a4363bc1..af062cda4a23 100644
--- 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).
*/
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
index 6e8beb7ea350..92ddc19e7bf7 100644
--- 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 rt2x00_dev *rt2x00dev)
*/
tx_queue_for_each(rt2x00dev, queue)
rt2x00queue_start_queue(queue);
+ rt2x00dev->last_nostatus_check = jiffies;
rt2x00queue_start_queue(rt2x00dev->rx);
}
--
2.18.0