diff options
Diffstat (limited to 'package/kernel/mac80211/patches/020-14-rt2x00-use-txdone_nomatch-on-rt2800usb.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/020-14-rt2x00-use-txdone_nomatch-on-rt2800usb.patch | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/package/kernel/mac80211/patches/020-14-rt2x00-use-txdone_nomatch-on-rt2800usb.patch b/package/kernel/mac80211/patches/020-14-rt2x00-use-txdone_nomatch-on-rt2800usb.patch deleted file mode 100644 index 1e23ef7bcb..0000000000 --- a/package/kernel/mac80211/patches/020-14-rt2x00-use-txdone_nomatch-on-rt2800usb.patch +++ /dev/null @@ -1,180 +0,0 @@ -From 293dff78ee058ec1e0b90e05a803c512b6a2097f Mon Sep 17 00:00:00 2001 -From: Stanislaw Gruszka <sgruszka@redhat.com> -Date: Wed, 15 Feb 2017 10:25:10 +0100 -Subject: [PATCH 14/19] rt2x00: use txdone_nomatch on rt2800usb - -If we do not match skb entry, provide tx status via nomatch procedure. - -Currently in that case we do rt2x00lib_txdone_noinfo(TXDONE_NOINFO), -which actually assume that entry->skb was posted without retries and -provide rate saved in skb desc as successful. Patch changed that to -rate read from TX_STAT_FIFO, however still do not provide correct -number of retries. - -On SoC/PCI devices we keep providing status via standard txdone -procedure, no change in those devices, though we should thing about it. - -Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 31 ++++++++++++++++++++----- - drivers/net/wireless/ralink/rt2x00/rt2800lib.h | 3 ++- - drivers/net/wireless/ralink/rt2x00/rt2800mmio.c | 2 +- - drivers/net/wireless/ralink/rt2x00/rt2800usb.c | 18 ++++++-------- - 4 files changed, 35 insertions(+), 19 deletions(-) - ---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -@@ -852,7 +852,8 @@ void rt2800_process_rxwi(struct queue_en - } - EXPORT_SYMBOL_GPL(rt2800_process_rxwi); - --void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi) -+void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi, -+ bool match) - { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; -@@ -860,8 +861,7 @@ void rt2800_txdone_entry(struct queue_en - struct txdone_entry_desc txdesc; - u32 word; - u16 mcs, real_mcs; -- int aggr, ampdu; -- int wcid; -+ int aggr, ampdu, wcid, ack_req; - - /* - * Obtain the status about this packet. -@@ -875,6 +875,7 @@ void rt2800_txdone_entry(struct queue_en - real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS); - aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE); - wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID); -+ ack_req = rt2x00_get_field32(status, TX_STA_FIFO_TX_ACK_REQUIRED); - - /* - * If a frame was meant to be sent as a single non-aggregated MPDU -@@ -891,8 +892,12 @@ void rt2800_txdone_entry(struct queue_en - * Hence, replace the requested rate with the real tx rate to not - * confuse the rate control algortihm by providing clearly wrong - * data. -- */ -- if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) { -+ * -+ * FIXME: if we do not find matching entry, we tell that frame was -+ * posted without any retries. We need to find a way to fix that -+ * and provide retry count. -+ */ -+ if (unlikely((aggr == 1 && ampdu == 0 && real_mcs != mcs)) || !match) { - skbdesc->tx_rate_idx = real_mcs; - mcs = real_mcs; - } -@@ -900,6 +905,9 @@ void rt2800_txdone_entry(struct queue_en - if (aggr == 1 || ampdu == 1) - __set_bit(TXDONE_AMPDU, &txdesc.flags); - -+ if (!ack_req) -+ __set_bit(TXDONE_NO_ACK_REQ, &txdesc.flags); -+ - /* - * Ralink has a retry mechanism using a global fallback - * table. We setup this fallback table to try the immediate -@@ -931,7 +939,18 @@ void rt2800_txdone_entry(struct queue_en - if (txdesc.retry) - __set_bit(TXDONE_FALLBACK, &txdesc.flags); - -- rt2x00lib_txdone(entry, &txdesc); -+ if (!match) { -+ /* RCU assures non-null sta will not be freed by mac80211. */ -+ rcu_read_lock(); -+ if (likely(wcid >= WCID_START && wcid <= WCID_END)) -+ skbdesc->sta = drv_data->wcid_to_sta[wcid - WCID_START]; -+ else -+ skbdesc->sta = NULL; -+ rt2x00lib_txdone_nomatch(entry, &txdesc); -+ rcu_read_unlock(); -+ } else { -+ rt2x00lib_txdone(entry, &txdesc); -+ } - } - EXPORT_SYMBOL_GPL(rt2800_txdone_entry); - ---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h -@@ -191,7 +191,8 @@ void rt2800_write_tx_data(struct queue_e - struct txentry_desc *txdesc); - void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *txdesc); - --void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32* txwi); -+void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi, -+ bool match); - - void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc); - void rt2800_clear_beacon(struct queue_entry *entry); ---- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c -@@ -239,7 +239,7 @@ static bool rt2800mmio_txdone_release_en - { - if (test_bit(ENTRY_DATA_STATUS_SET, &entry->flags)) { - rt2800_txdone_entry(entry, entry->status, -- rt2800mmio_get_txwi(entry)); -+ rt2800mmio_get_txwi(entry), true); - return false; - } - ---- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c -@@ -501,8 +501,7 @@ static int rt2800usb_get_tx_data_len(str - /* - * TX control handlers - */ --static enum txdone_entry_desc_flags --rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg) -+static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg) - { - __le32 *txwi; - u32 word; -@@ -515,7 +514,7 @@ rt2800usb_txdone_entry_check(struct queu - * frame. - */ - if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) -- return TXDONE_FAILURE; -+ return false; - - wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); - ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); -@@ -537,10 +536,10 @@ rt2800usb_txdone_entry_check(struct queu - rt2x00_dbg(entry->queue->rt2x00dev, - "TX status report missed for queue %d entry %d\n", - entry->queue->qid, entry->entry_idx); -- return TXDONE_UNKNOWN; -+ return false; - } - -- return TXDONE_SUCCESS; -+ return true; - } - - static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev) -@@ -549,7 +548,7 @@ static void rt2800usb_txdone(struct rt2x - struct queue_entry *entry; - u32 reg; - u8 qid; -- enum txdone_entry_desc_flags done_status; -+ bool match; - - while (kfifo_get(&rt2x00dev->txstatus_fifo, ®)) { - /* -@@ -574,11 +573,8 @@ static void rt2800usb_txdone(struct rt2x - break; - } - -- done_status = rt2800usb_txdone_entry_check(entry, reg); -- if (likely(done_status == TXDONE_SUCCESS)) -- rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry)); -- else -- rt2x00lib_txdone_noinfo(entry, done_status); -+ match = rt2800usb_txdone_entry_check(entry, reg); -+ rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry), match); - } - } - |