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ac7ccf739a
This updates to backports-4.19.57-1 which contains the wireless subsystem and driver from kernel 4.19.57. The removed patches are applied upstream. Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
113 lines
3.6 KiB
Diff
113 lines
3.6 KiB
Diff
From adf26a356f132e35093585521ea3e36cd185af83 Mon Sep 17 00:00:00 2001
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Wed, 26 Sep 2018 12:24:56 +0200
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Subject: [PATCH 05/28] rt2x00: use different txstatus timeouts when flushing
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Use different tx status timeouts for normal operation and when flushing.
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This increase timeout to 2s for normal operation as when there are bad
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radio conditions and frames are reposted many times device can not provide
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the status for quite long. With new timeout we can still get valid status
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on such bad conditions.
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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.../net/wireless/ralink/rt2x00/rt2800lib.c | 31 +++++++++++++------
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drivers/net/wireless/ralink/rt2x00/rt2x00.h | 1 +
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.../net/wireless/ralink/rt2x00/rt2x00mac.c | 4 +++
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3 files changed, 26 insertions(+), 10 deletions(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -1137,36 +1137,47 @@ void rt2800_txdone(struct rt2x00_dev *rt
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}
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EXPORT_SYMBOL_GPL(rt2800_txdone);
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-static inline bool rt2800_entry_txstatus_timeout(struct queue_entry *entry)
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+static inline bool rt2800_entry_txstatus_timeout(struct rt2x00_dev *rt2x00dev,
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+ struct queue_entry *entry)
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{
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- bool tout;
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+ bool ret;
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+ unsigned long tout;
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if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
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return false;
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- tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(500));
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- if (unlikely(tout))
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+ if (test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags))
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+ tout = msecs_to_jiffies(100);
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+ else
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+ tout = msecs_to_jiffies(2000);
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+
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+ ret = time_after(jiffies, entry->last_action + tout);
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+ if (unlikely(ret))
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rt2x00_dbg(entry->queue->rt2x00dev,
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"TX status timeout for entry %d in queue %d\n",
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entry->entry_idx, entry->queue->qid);
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- return tout;
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-
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+ return ret;
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}
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bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
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{
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struct data_queue *queue;
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struct queue_entry *entry;
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+ unsigned long tout;
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+
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+ if (test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags))
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+ tout = msecs_to_jiffies(50);
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+ else
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+ tout = msecs_to_jiffies(1000);
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- if (time_before(jiffies,
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- rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
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+ if (time_before(jiffies, rt2x00dev->last_nostatus_check + tout))
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return false;
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rt2x00dev->last_nostatus_check = jiffies;
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tx_queue_for_each(rt2x00dev, queue) {
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entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
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- if (rt2800_entry_txstatus_timeout(entry))
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+ if (rt2800_entry_txstatus_timeout(rt2x00dev, entry))
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return true;
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}
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@@ -1195,7 +1206,7 @@ void rt2800_txdone_nostatus(struct rt2x0
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break;
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if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags) ||
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- rt2800_entry_txstatus_timeout(entry))
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+ rt2800_entry_txstatus_timeout(rt2x00dev, entry))
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rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
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else
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break;
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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@@ -665,6 +665,7 @@ enum rt2x00_state_flags {
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DEVICE_STATE_STARTED,
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DEVICE_STATE_ENABLED_RADIO,
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DEVICE_STATE_SCANNING,
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+ DEVICE_STATE_FLUSHING,
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/*
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* Driver configuration
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
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@@ -710,8 +710,12 @@ void rt2x00mac_flush(struct ieee80211_hw
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if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
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return;
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+ set_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags);
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+
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tx_queue_for_each(rt2x00dev, queue)
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rt2x00queue_flush_queue(queue, drop);
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+
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+ clear_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags);
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}
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EXPORT_SYMBOL_GPL(rt2x00mac_flush);
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