diff options
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/024-rt2800-partially-restore-old-mmio-txstatus-behaviour.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/024-rt2800-partially-restore-old-mmio-txstatus-behaviour.patch | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/024-rt2800-partially-restore-old-mmio-txstatus-behaviour.patch b/package/kernel/mac80211/patches/rt2x00/024-rt2800-partially-restore-old-mmio-txstatus-behaviour.patch deleted file mode 100644 index 52314a79ae..0000000000 --- a/package/kernel/mac80211/patches/rt2x00/024-rt2800-partially-restore-old-mmio-txstatus-behaviour.patch +++ /dev/null @@ -1,128 +0,0 @@ -From 91a5340db0526b7263bc8da14b120ea3129b5f28 Mon Sep 17 00:00:00 2001 -From: Stanislaw Gruszka <sgruszka@redhat.com> -Date: Sat, 9 Feb 2019 12:08:31 +0100 -X-Patchwork-Submitter: Stanislaw Gruszka <sgruszka@redhat.com> -X-Patchwork-Id: 10804437 -X-Patchwork-Delegate: kvalo@adurom.com -Subject: [PATCH 21/28] rt2800: partially restore old mmio txstatus behaviour - -Do not disable txstatus interrupt and add quota of processed tx statuses in -one tasklet. Quota is needed to allow to fed device with new frames during -processing of tx statuses. - -Patch fixes about 15% performance degradation on some scenarios coused by -0b0d556e0ebb ("rt2800mmio: use txdone/txstatus routines from lib"). - -Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> ---- - .../net/wireless/ralink/rt2x00/rt2800lib.c | 4 +-- - .../net/wireless/ralink/rt2x00/rt2800lib.h | 2 +- - .../net/wireless/ralink/rt2x00/rt2800mmio.c | 30 +++++-------------- - .../net/wireless/ralink/rt2x00/rt2800usb.c | 2 +- - 4 files changed, 12 insertions(+), 26 deletions(-) - ---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -@@ -1100,7 +1100,7 @@ void rt2800_txdone_entry(struct queue_en - } - EXPORT_SYMBOL_GPL(rt2800_txdone_entry); - --void rt2800_txdone(struct rt2x00_dev *rt2x00dev) -+void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota) - { - struct data_queue *queue; - struct queue_entry *entry; -@@ -1108,7 +1108,7 @@ void rt2800_txdone(struct rt2x00_dev *rt - u8 qid; - bool match; - -- while (kfifo_get(&rt2x00dev->txstatus_fifo, ®)) { -+ while (quota-- > 0 && kfifo_get(&rt2x00dev->txstatus_fifo, ®)) { - /* - * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is - * guaranteed to be one of the TX QIDs . ---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h -@@ -195,7 +195,7 @@ void rt2800_process_rxwi(struct queue_en - - void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi, - bool match); --void rt2800_txdone(struct rt2x00_dev *rt2x00dev); -+void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota); - void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev); - bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev); - ---- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c -@@ -255,20 +255,6 @@ void rt2800mmio_autowake_tasklet(unsigne - } - EXPORT_SYMBOL_GPL(rt2800mmio_autowake_tasklet); - --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; -@@ -305,14 +291,11 @@ void rt2800mmio_txstatus_tasklet(unsigne - { - struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; - -- do { -- rt2800mmio_txdone(rt2x00dev); -+ rt2800_txdone(rt2x00dev, 16); - -- } while (rt2800mmio_fetch_txstatus(rt2x00dev)); -+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) -+ tasklet_schedule(&rt2x00dev->txstatus_tasklet); - -- 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); - -@@ -339,8 +322,10 @@ irqreturn_t rt2800mmio_interrupt(int irq - mask = ~reg; - - if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) { -+ rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1); - rt2800mmio_fetch_txstatus(rt2x00dev); -- tasklet_schedule(&rt2x00dev->txstatus_tasklet); -+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) -+ tasklet_schedule(&rt2x00dev->txstatus_tasklet); - } - - if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT)) -@@ -500,7 +485,8 @@ void rt2800mmio_flush_queue(struct data_ - */ - if (tx_queue) { - tasklet_disable(&rt2x00dev->txstatus_tasklet); -- rt2800mmio_txdone(rt2x00dev); -+ rt2800_txdone(rt2x00dev, UINT_MAX); -+ rt2800_txdone_nostatus(rt2x00dev); - tasklet_enable(&rt2x00dev->txstatus_tasklet); - } - ---- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c -@@ -480,7 +480,7 @@ static void rt2800usb_work_txdone(struct - while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) || - rt2800_txstatus_timeout(rt2x00dev)) { - -- rt2800_txdone(rt2x00dev); -+ rt2800_txdone(rt2x00dev, UINT_MAX); - - rt2800_txdone_nostatus(rt2x00dev); - |