Index: openwrt/package/kernel/mac80211/patches/569-ath9k-dynack-set-max-timeout.patch =================================================================== --- /dev/null +++ openwrt/package/kernel/mac80211/patches/569-ath9k-dynack-set-max-timeout.patch @@ -0,0 +1,36 @@ +--- a/drivers/net/wireless/ath/ath9k/dynack.c ++++ b/drivers/net/wireless/ath/ath9k/dynack.c +@@ -103,9 +103,10 @@ + struct ath_dynack *da = &ah->dynack; + struct ath_node *an; + int to = 0; ++ u32 max_to = ath_dynack_get_max_to(ah); + + list_for_each_entry(an, &da->nodes, list) +- if (an->ackto > to) ++ if (an->ackto > to && an->ackto < max_to) + to = an->ackto; + + if (to && da->ackto != to) { +@@ -308,8 +309,8 @@ + */ + void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an) + { +- /* ackto = slottime + sifs + air delay */ +- u32 ackto = 9 + 16 + 64; ++ /* AREDN set ackto to max_to initialize */ ++ u32 ackto = ath_dynack_get_max_to(ah); + struct ath_dynack *da = &ah->dynack; + + an->ackto = ackto; +@@ -343,8 +344,8 @@ + */ + void ath_dynack_reset(struct ath_hw *ah) + { +- /* ackto = slottime + sifs + air delay */ +- u32 ackto = 9 + 16 + 64; ++ /* AREDN set ackto to max_to initialize */ ++ u32 ackto = ath_dynack_get_max_to(ah); + struct ath_dynack *da = &ah->dynack; + + da->lto = jiffies; Index: openwrt/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh =================================================================== --- openwrt.orig/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh +++ openwrt/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh @@ -769,7 +769,11 @@ drv_mac80211_setup() { iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1 iw phy "$phy" set antenna_gain $antenna_gain - iw phy "$phy" set distance "$distance" + if [ $distance -eq 0 -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ]; then + iw phy "$phy" set distance auto + else + iw phy "$phy" set distance "$distance" + fi [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}" [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}" Index: openwrt/package/kernel/mac80211/patches/568-ath-dynack-set-max-timeout-according-to-clockrate.patch =================================================================== --- /dev/null +++ openwrt/package/kernel/mac80211/patches/568-ath-dynack-set-max-timeout-according-to-clockrate.patch @@ -0,0 +1,93 @@ +From 72f4ba6f6b6021fcc48d07d03407c2fdb16a46c5 Mon Sep 17 00:00:00 2001 +Message-Id: <72f4ba6f6b6021fcc48d07d03407c2fdb16a46c5.1554035972.git.lorenzo@kernel.org> +In-Reply-To: +References: +From: Lorenzo Bianconi +Date: Sun, 31 Mar 2019 14:38:49 +0200 +Subject: [PATCH] ath: dynack: set max timeout according to clockrate + +Signed-off-by: Lorenzo Bianconi +--- + drivers/net/wireless/ath/ath9k/dynack.c | 36 ++++++++++++++++++------- + 1 file changed, 26 insertions(+), 10 deletions(-) + +diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c +index f112fa5b2eac..0627111249dd 100644 +--- a/drivers/net/wireless/ath/ath9k/dynack.c ++++ b/drivers/net/wireless/ath/ath9k/dynack.c +@@ -20,11 +20,24 @@ + + #define COMPUTE_TO (5 * HZ) + #define LATEACK_DELAY (10 * HZ) +-#define LATEACK_TO 256 +-#define MAX_DELAY 300 + #define EWMA_LEVEL 96 + #define EWMA_DIV 128 + ++/** ++ * ath_dynack_get_max_to - set max timeout according to clockrate ++ * @ah: ath hw ++ * ++ */ ++static u32 ath_dynack_get_max_to(struct ath_hw *ah) ++{ ++ struct ath_common *common = ath9k_hw_common(ah); ++ ++ if (common->clockrate) ++ return AR_TIME_OUT_ACK / common->clockrate; ++ ++ return 300; ++} ++ + /** + * ath_dynack_ewma - EWMA (Exponentially Weighted Moving Average) calculation + * +@@ -116,15 +129,16 @@ static void ath_dynack_compute_ackto(struct ath_hw *ah) + */ + static void ath_dynack_compute_to(struct ath_hw *ah) + { +- u32 ackto, ack_ts; +- u8 *dst, *src; ++ struct ath_dynack *da = &ah->dynack; ++ u32 ackto, ack_ts, max_to; + struct ieee80211_sta *sta; +- struct ath_node *an; + struct ts_info *st_ts; +- struct ath_dynack *da = &ah->dynack; ++ struct ath_node *an; ++ u8 *dst, *src; + + rcu_read_lock(); + ++ max_to = ath_dynack_get_max_to(ah); + while (da->st_rbf.h_rb != da->st_rbf.t_rb && + da->ack_rbf.h_rb != da->ack_rbf.t_rb) { + ack_ts = da->ack_rbf.tstamp[da->ack_rbf.h_rb]; +@@ -140,7 +154,7 @@ static void ath_dynack_compute_to(struct ath_hw *ah) + if (ack_ts > st_ts->tstamp + st_ts->dur) { + ackto = ack_ts - st_ts->tstamp - st_ts->dur; + +- if (ackto < MAX_DELAY) { ++ if (ackto < max_to) { + sta = ieee80211_find_sta_by_ifaddr(ah->hw, dst, + src); + if (sta) { +@@ -197,11 +211,13 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb, + if (ieee80211_is_assoc_req(hdr->frame_control) || + ieee80211_is_assoc_resp(hdr->frame_control) || + ieee80211_is_auth(hdr->frame_control)) { ++ u32 max_to = ath_dynack_get_max_to(ah); ++ + 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); ++ ath9k_hw_setslottime(ah, (max_to - 3) / 2); ++ ath9k_hw_set_ack_timeout(ah, max_to); ++ ath9k_hw_set_cts_timeout(ah, max_to); + if (sta) { + struct ath_node *an; + +-- +2.20.1