From 4420866ef1b602682b009e0186fbb8aefd2125be Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Tue, 20 Aug 2019 18:20:19 +0200 Subject: [PATCH 1/4] ath9k: dynack: introduce ath_dynack_set_timeout routine Introduce ath_dynack_set_timeout routine to configure slottime/ack/cts timeouts and remove duplicated code Tested-by: Koen Vandeputte Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/ath/ath9k/dynack.c | 37 ++++++++++++++----------- 1 file changed, 21 insertions(+), 16 deletions(-) --- a/drivers/net/wireless/ath/ath9k/dynack.c +++ b/drivers/net/wireless/ath/ath9k/dynack.c @@ -79,6 +79,24 @@ static inline bool ath_dynack_bssidmask( } /** + * ath_dynack_set_timeout - configure timeouts/slottime registers + * @ah: ath hw + * @to: timeout value + * + */ +static void ath_dynack_set_timeout(struct ath_hw *ah, int to) +{ + struct ath_common *common = ath9k_hw_common(ah); + int slottime = (to - 3) / 2; + + ath_dbg(common, DYNACK, "ACK timeout %u slottime %u\n", + to, slottime); + ath9k_hw_setslottime(ah, slottime); + ath9k_hw_set_ack_timeout(ah, to); + ath9k_hw_set_cts_timeout(ah, to); +} + +/** * ath_dynack_compute_ackto - compute ACK timeout as the maximum STA timeout * @ah: ath hw * @@ -86,7 +104,6 @@ static inline bool ath_dynack_bssidmask( */ static void ath_dynack_compute_ackto(struct ath_hw *ah) { - struct ath_common *common = ath9k_hw_common(ah); struct ath_dynack *da = &ah->dynack; struct ath_node *an; int to = 0; @@ -96,15 +113,8 @@ static void ath_dynack_compute_ackto(str to = an->ackto; if (to && da->ackto != to) { - u32 slottime; - - slottime = (to - 3) / 2; + ath_dynack_set_timeout(ah, to); da->ackto = to; - ath_dbg(common, DYNACK, "ACK timeout %u slottime %u\n", - da->ackto, slottime); - ath9k_hw_setslottime(ah, slottime); - ath9k_hw_set_ack_timeout(ah, da->ackto); - ath9k_hw_set_cts_timeout(ah, da->ackto); } } @@ -198,10 +208,7 @@ void ath_dynack_sample_tx_ts(struct ath_ ieee80211_is_assoc_resp(hdr->frame_control) || ieee80211_is_auth(hdr->frame_control)) { ath_dbg(common, DYNACK, "late ack\n"); - - ath9k_hw_setslottime(ah, (LATEACK_TO - 3) / 2); - ath9k_hw_set_ack_timeout(ah, LATEACK_TO); - ath9k_hw_set_cts_timeout(ah, LATEACK_TO); + ath_dynack_set_timeout(ah, LATEACK_TO); if (sta) { struct ath_node *an; @@ -340,9 +347,7 @@ void ath_dynack_reset(struct ath_hw *ah) da->ack_rbf.h_rb = 0; /* init acktimeout */ - ath9k_hw_setslottime(ah, (ackto - 3) / 2); - ath9k_hw_set_ack_timeout(ah, ackto); - ath9k_hw_set_cts_timeout(ah, ackto); + ath_dynack_set_timeout(ah, ackto); } EXPORT_SYMBOL(ath_dynack_reset);