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ath9k: add duration field to ath_tx_status 

Add duration field to ath_tx_status in order to report frame duration for each
entry in multi-retry chain. These fields will be used in ACK timeout estimation
algorithm (dynack)

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Lorenzo Bianconi 2014-09-16 02:13:08 +02:00 committed by John W. Linville
parent 8e15e09465
commit 36678b2b67
3 changed files with 17 additions and 0 deletions
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7
drivers/net/wireless/ath/ath9k/ar9002_mac.c
View File

@ -381,6 +381,13 @@ static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
ts->evm1 = ads->AR_TxEVM1;
ts->evm2 = ads->AR_TxEVM2;
status = ACCESS_ONCE(ads->ds_ctl4);
ts->duration[0] = MS(status, AR_PacketDur0);
ts->duration[1] = MS(status, AR_PacketDur1);
status = ACCESS_ONCE(ads->ds_ctl5);
ts->duration[2] = MS(status, AR_PacketDur2);
ts->duration[3] = MS(status, AR_PacketDur3);
return 0;
}

9
drivers/net/wireless/ath/ath9k/ar9003_mac.c
View File

@ -355,9 +355,11 @@ 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)
@ -426,6 +428,13 @@ 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;

1
drivers/net/wireless/ath/ath9k/mac.h
View File

@ -121,6 +121,7 @@ struct ath_tx_status {
u32 evm0;
u32 evm1;
u32 evm2;
u32 duration[4];
};
struct ath_rx_status {