diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2014-09-30 09:24:23 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-30 17:17:48 (GMT) |
| commit | 315dd1149b6048cec805667f511726bbe8e5c975 (patch) | |
| tree | 6bc8a44734b05bda1b501d820af8d3a675a9912b /drivers/net/wireless/ath/ath9k/ar9003_mac.c | |
| parent | 4d9f634b02e4240f86719f30e4c9e62f6a4c4d36 (diff) | |
| download | linux-315dd1149b6048cec805667f511726bbe8e5c975.tar.xz | |
ath9k: fix getting tx duration for dynack
On AR9003, tx control and tx status are in separate descriptor rings.
Tx duration is extracted from the tx control descriptor data, which
ar9003_hw_proc_txdesc cannot access.
Fix getting the duration by adding a separate callback for it.
Acked-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mac.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index e5f7c11..057b165 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -355,11 +355,9 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_status *ts) { struct ar9003_txs *ads; - struct ar9003_txc *adc; u32 status; ads = &ah->ts_ring[ah->ts_tail]; - adc = (struct ar9003_txc *)ads; status = ACCESS_ONCE(ads->status8); if ((status & AR_TxDone) == 0) @@ -428,18 +426,29 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds, ts->ts_rssi_ext1 = MS(status, AR_TxRSSIAnt11); ts->ts_rssi_ext2 = MS(status, AR_TxRSSIAnt12); - status = ACCESS_ONCE(adc->ctl15); - ts->duration[0] = MS(status, AR_PacketDur0); - ts->duration[1] = MS(status, AR_PacketDur1); - status = ACCESS_ONCE(adc->ctl16); - ts->duration[2] = MS(status, AR_PacketDur2); - ts->duration[3] = MS(status, AR_PacketDur3); - memset(ads, 0, sizeof(*ads)); return 0; } +static int ar9003_hw_get_duration(struct ath_hw *ah, const void *ds, int index) +{ + const struct ar9003_txc *adc = ds; + + switch (index) { + case 0: + return MS(ACCESS_ONCE(adc->ctl15), AR_PacketDur0); + case 1: + return MS(ACCESS_ONCE(adc->ctl15), AR_PacketDur1); + case 2: + return MS(ACCESS_ONCE(adc->ctl16), AR_PacketDur2); + case 3: + return MS(ACCESS_ONCE(adc->ctl16), AR_PacketDur3); + default: + return 0; + } +} + void ar9003_hw_attach_mac_ops(struct ath_hw *hw) { struct ath_hw_ops *ops = ath9k_hw_ops(hw); @@ -449,6 +458,7 @@ void ar9003_hw_attach_mac_ops(struct ath_hw *hw) ops->get_isr = ar9003_hw_get_isr; ops->set_txdesc = ar9003_set_txdesc; ops->proc_txdesc = ar9003_hw_proc_txdesc; + ops->get_duration = ar9003_hw_get_duration; } void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size) |