diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath/560-ath9k-dynack-set-max-timeout-according-to-channel-wi.patch')
-rw-r--r-- | package/kernel/mac80211/patches/ath/560-ath9k-dynack-set-max-timeout-according-to-channel-wi.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/package/kernel/mac80211/patches/ath/560-ath9k-dynack-set-max-timeout-according-to-channel-wi.patch b/package/kernel/mac80211/patches/ath/560-ath9k-dynack-set-max-timeout-according-to-channel-wi.patch deleted file mode 100644 index 876b113aba..0000000000 --- a/package/kernel/mac80211/patches/ath/560-ath9k-dynack-set-max-timeout-according-to-channel-wi.patch +++ /dev/null @@ -1,92 +0,0 @@ -From 3f737abb7d53cc80d619a3b4a30b6fa63cdc8df7 Mon Sep 17 00:00:00 2001 -From: Lorenzo Bianconi <lorenzo@kernel.org> -Date: Tue, 20 Aug 2019 18:20:21 +0200 -Subject: [PATCH 3/4] ath9k: dynack: set max timeout according to channel width - -Compute maximum configurable ackimeout/ctstimeout according to channel -width (clockrate) - -Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> -Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> ---- - drivers/net/wireless/ath/ath9k/dynack.c | 38 +++++++++++++++++++------ - 1 file changed, 30 insertions(+), 8 deletions(-) - ---- a/drivers/net/wireless/ath/ath9k/dynack.c -+++ b/drivers/net/wireless/ath/ath9k/dynack.c -@@ -20,12 +20,31 @@ - - #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 channel width -+ * @ah: ath hw -+ * -+ */ -+static u32 ath_dynack_get_max_to(struct ath_hw *ah) -+{ -+ const struct ath9k_channel *chan = ah->curchan; -+ -+ if (!chan) -+ return 300; -+ -+ if (IS_CHAN_HT40(chan)) -+ return 300; -+ if (IS_CHAN_HALF_RATE(chan)) -+ return 750; -+ if (IS_CHAN_QUARTER_RATE(chan)) -+ return 1500; -+ return 600; -+} -+ -+/** - * ath_dynack_ewma - EWMA (Exponentially Weighted Moving Average) calculation - * - */ -@@ -126,15 +145,16 @@ static void ath_dynack_compute_ackto(str - */ - 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]; -@@ -150,7 +170,7 @@ static void ath_dynack_compute_to(struct - 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) { -@@ -207,8 +227,10 @@ void ath_dynack_sample_tx_ts(struct ath_ - 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"); -- ath_dynack_set_timeout(ah, LATEACK_TO); -+ ath_dynack_set_timeout(ah, max_to); - if (sta) { - struct ath_node *an; - |