From 36678b2b67d7d455d5f4054604f97834a316a121 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Tue, 16 Sep 2014 02:13:08 +0200 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9002_mac.c | 7 +++++++ drivers/net/wireless/ath/ath9k/ar9003_mac.c | 9 +++++++++ drivers/net/wireless/ath/ath9k/mac.h | 1 + 3 files changed, 17 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c index 59af9f9712da..669cb3747208 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c @@ -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; } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index 71e38e85aa99..e5f7c11fa144 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -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; diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index 6c56cafa5ca4..cd05a7791073 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -121,6 +121,7 @@ struct ath_tx_status { u32 evm0; u32 evm1; u32 evm2; + u32 duration[4]; }; struct ath_rx_status {