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Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/006-rt2800-flush-and-txstatus-rework-for-rt2800mmio.patch')
-rw-r--r--package/kernel/mac80211/patches/rt2x00/006-rt2800-flush-and-txstatus-rework-for-rt2800mmio.patch238
1 files changed, 0 insertions, 238 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/006-rt2800-flush-and-txstatus-rework-for-rt2800mmio.patch b/package/kernel/mac80211/patches/rt2x00/006-rt2800-flush-and-txstatus-rework-for-rt2800mmio.patch
deleted file mode 100644
index 784fbb16f1..0000000000
--- a/package/kernel/mac80211/patches/rt2x00/006-rt2800-flush-and-txstatus-rework-for-rt2800mmio.patch
+++ /dev/null
@@ -1,238 +0,0 @@
-From 0240564430c0697d8fde3743d70346a922466b36 Mon Sep 17 00:00:00 2001
-From: Stanislaw Gruszka <sgruszka@redhat.com>
-Date: Wed, 26 Sep 2018 12:24:57 +0200
-Subject: [PATCH 06/28] rt2800: flush and txstatus rework for rt2800mmio
-
-Implement custom rt2800mmio flush routine and change txstatus
-routine to read TX_STA_FIFO also in the tasklet.
-
-Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
-Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
----
- .../net/wireless/ralink/rt2x00/rt2800lib.c | 14 +--
- .../net/wireless/ralink/rt2x00/rt2800mmio.c | 118 +++++++++++++-----
- .../net/wireless/ralink/rt2x00/rt2800mmio.h | 1 +
- .../net/wireless/ralink/rt2x00/rt2800pci.c | 2 +-
- 4 files changed, 97 insertions(+), 38 deletions(-)
-
---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-@@ -1147,7 +1147,7 @@ static inline bool rt2800_entry_txstatus
- return false;
-
- if (test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags))
-- tout = msecs_to_jiffies(100);
-+ tout = msecs_to_jiffies(50);
- else
- tout = msecs_to_jiffies(2000);
-
-@@ -1163,15 +1163,13 @@ bool rt2800_txstatus_timeout(struct rt2x
- {
- struct data_queue *queue;
- struct queue_entry *entry;
-- unsigned long tout;
-
-- if (test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags))
-- tout = msecs_to_jiffies(50);
-- else
-- tout = msecs_to_jiffies(1000);
-+ if (!test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags)) {
-+ unsigned long tout = msecs_to_jiffies(1000);
-
-- if (time_before(jiffies, rt2x00dev->last_nostatus_check + tout))
-- return false;
-+ if (time_before(jiffies, rt2x00dev->last_nostatus_check + tout))
-+ return false;
-+ }
-
- rt2x00dev->last_nostatus_check = jiffies;
-
---- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
-@@ -191,21 +191,6 @@ static inline void rt2800mmio_enable_int
- spin_unlock_irq(&rt2x00dev->irqmask_lock);
- }
-
--void rt2800mmio_txstatus_tasklet(unsigned long data)
--{
-- struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
--
-- rt2800_txdone(rt2x00dev);
--
-- if (rt2800_txstatus_timeout(rt2x00dev))
-- rt2800_txdone_nostatus(rt2x00dev);
--
-- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
-- rt2800mmio_enable_interrupt(rt2x00dev,
-- INT_SOURCE_CSR_TX_FIFO_STATUS);
--}
--EXPORT_SYMBOL_GPL(rt2800mmio_txstatus_tasklet);
--
- void rt2800mmio_pretbtt_tasklet(unsigned long data)
- {
- struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
-@@ -270,12 +255,26 @@ void rt2800mmio_autowake_tasklet(unsigne
- }
- EXPORT_SYMBOL_GPL(rt2800mmio_autowake_tasklet);
-
--static void rt2800mmio_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
-+static void rt2800mmio_txdone(struct rt2x00_dev *rt2x00dev)
-+{
-+ bool timeout = false;
-+
-+ while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
-+ (timeout = rt2800_txstatus_timeout(rt2x00dev))) {
-+
-+ rt2800_txdone(rt2x00dev);
-+
-+ if (timeout)
-+ rt2800_txdone_nostatus(rt2x00dev);
-+ }
-+}
-+
-+static bool rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
- {
- u32 status;
-- int i;
-+ bool more = false;
-
-- /*
-+ /* FIXEME: rewrite this comment
- * The TX_FIFO_STATUS interrupt needs special care. We should
- * read TX_STA_FIFO but we should do it immediately as otherwise
- * the register can overflow and we would lose status reports.
-@@ -286,25 +285,37 @@ static void rt2800mmio_txstatus_interrup
- * because we can schedule the tasklet multiple times (when the
- * interrupt fires again during tx status processing).
- *
-- * Since we have only one producer and one consumer we don't
-+ * txstatus tasklet is called with INT_SOURCE_CSR_TX_FIFO_STATUS
-+ * disabled so have only one producer and one consumer - we don't
- * need to lock the kfifo.
- */
-- for (i = 0; i < rt2x00dev->tx->limit; i++) {
-+ while (!kfifo_is_full(&rt2x00dev->txstatus_fifo)) {
- status = rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO);
--
- if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
- break;
-
-- if (!kfifo_put(&rt2x00dev->txstatus_fifo, status)) {
-- rt2x00_warn(rt2x00dev, "TX status FIFO overrun, drop tx status report\n");
-- break;
-- }
-+ kfifo_put(&rt2x00dev->txstatus_fifo, status);
-+ more = true;
- }
-
-- /* Schedule the tasklet for processing the tx status. */
-- tasklet_schedule(&rt2x00dev->txstatus_tasklet);
-+ return more;
- }
-
-+void rt2800mmio_txstatus_tasklet(unsigned long data)
-+{
-+ struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
-+
-+ do {
-+ rt2800mmio_txdone(rt2x00dev);
-+
-+ } while (rt2800mmio_fetch_txstatus(rt2x00dev));
-+
-+ if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
-+ rt2800mmio_enable_interrupt(rt2x00dev,
-+ INT_SOURCE_CSR_TX_FIFO_STATUS);
-+}
-+EXPORT_SYMBOL_GPL(rt2800mmio_txstatus_tasklet);
-+
- irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance)
- {
- struct rt2x00_dev *rt2x00dev = dev_instance;
-@@ -327,8 +338,10 @@ irqreturn_t rt2800mmio_interrupt(int irq
- */
- mask = ~reg;
-
-- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
-- rt2800mmio_txstatus_interrupt(rt2x00dev);
-+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
-+ rt2800mmio_fetch_txstatus(rt2x00dev);
-+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
-+ }
-
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
- tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
-@@ -453,6 +466,53 @@ void rt2800mmio_kick_queue(struct data_q
- }
- EXPORT_SYMBOL_GPL(rt2800mmio_kick_queue);
-
-+void rt2800mmio_flush_queue(struct data_queue *queue, bool drop)
-+{
-+ struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
-+ bool tx_queue = false;
-+ unsigned int i;
-+
-+ switch (queue->qid) {
-+ case QID_AC_VO:
-+ case QID_AC_VI:
-+ case QID_AC_BE:
-+ case QID_AC_BK:
-+ tx_queue = true;
-+ break;
-+ case QID_RX:
-+ break;
-+ default:
-+ return;
-+ }
-+
-+ for (i = 0; i < 5; i++) {
-+ /*
-+ * Check if the driver is already done, otherwise we
-+ * have to sleep a little while to give the driver/hw
-+ * the oppurtunity to complete interrupt process itself.
-+ */
-+ if (rt2x00queue_empty(queue))
-+ break;
-+
-+ /*
-+ * For TX queues schedule completion tasklet to catch
-+ * tx status timeouts, othewise just wait.
-+ */
-+ if (tx_queue) {
-+ tasklet_disable(&rt2x00dev->txstatus_tasklet);
-+ rt2800mmio_txdone(rt2x00dev);
-+ tasklet_enable(&rt2x00dev->txstatus_tasklet);
-+ }
-+
-+ /*
-+ * Wait for a little while to give the driver
-+ * the oppurtunity to recover itself.
-+ */
-+ msleep(50);
-+ }
-+}
-+EXPORT_SYMBOL_GPL(rt2800mmio_flush_queue);
-+
- void rt2800mmio_stop_queue(struct data_queue *queue)
- {
- struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
---- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
-@@ -148,6 +148,7 @@ void rt2800mmio_toggle_irq(struct rt2x00
- /* Queue handlers */
- void rt2800mmio_start_queue(struct data_queue *queue);
- void rt2800mmio_kick_queue(struct data_queue *queue);
-+void rt2800mmio_flush_queue(struct data_queue *queue, bool drop);
- void rt2800mmio_stop_queue(struct data_queue *queue);
- void rt2800mmio_queue_init(struct data_queue *queue);
-
---- a/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
-@@ -364,7 +364,7 @@ static const struct rt2x00lib_ops rt2800
- .start_queue = rt2800mmio_start_queue,
- .kick_queue = rt2800mmio_kick_queue,
- .stop_queue = rt2800mmio_stop_queue,
-- .flush_queue = rt2x00mmio_flush_queue,
-+ .flush_queue = rt2800mmio_flush_queue,
- .write_tx_desc = rt2800mmio_write_tx_desc,
- .write_tx_data = rt2800_write_tx_data,
- .write_beacon = rt2800_write_beacon,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-14 03:16:17 +0000