diff options
Diffstat (limited to 'package/kernel/mac80211/patches/560-ath9k-dynack-set-ackto-to-max-timeout-in-ath_dynack_.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/560-ath9k-dynack-set-ackto-to-max-timeout-in-ath_dynack_.patch | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/560-ath9k-dynack-set-ackto-to-max-timeout-in-ath_dynack_.patch b/package/kernel/mac80211/patches/560-ath9k-dynack-set-ackto-to-max-timeout-in-ath_dynack_.patch new file mode 100644 index 0000000000..5b75096e19 --- /dev/null +++ b/package/kernel/mac80211/patches/560-ath9k-dynack-set-ackto-to-max-timeout-in-ath_dynack_.patch @@ -0,0 +1,78 @@ +From cc783bfa67e87d2e6206f7626b7bbb74d5c5f269 Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Tue, 20 Aug 2019 18:20:22 +0200 +Subject: [PATCH 4/4] ath9k: dynack: set ackto to max timeout in + ath_dynack_reset + +Initialize acktimeout to the maximum configurable value in +ath_dynack_reset in order to not disconnect long distance static links +enabling dynack and even to take care of possible errors configuring +a static timeout. Moreover initialize station timeout value to the current +acktimeout value + +Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +--- + drivers/net/wireless/ath/ath9k/dynack.c | 20 +++++++++++++------- + 1 file changed, 13 insertions(+), 7 deletions(-) + +diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c +index fe9181533de3..f786be04d0ac 100644 +--- a/drivers/net/wireless/ath/ath9k/dynack.c ++++ b/drivers/net/wireless/ath/ath9k/dynack.c +@@ -321,11 +321,9 @@ EXPORT_SYMBOL(ath_dynack_sample_ack_ts); + */ + void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an) + { +- /* ackto = slottime + sifs + air delay */ +- u32 ackto = 9 + 16 + 64; + struct ath_dynack *da = &ah->dynack; + +- an->ackto = ackto; ++ an->ackto = da->ackto; + + spin_lock(&da->qlock); + list_add_tail(&an->list, &da->nodes); +@@ -356,20 +354,26 @@ EXPORT_SYMBOL(ath_dynack_node_deinit); + */ + void ath_dynack_reset(struct ath_hw *ah) + { +- /* ackto = slottime + sifs + air delay */ +- u32 ackto = 9 + 16 + 64; + struct ath_dynack *da = &ah->dynack; ++ struct ath_node *an; ++ ++ spin_lock_bh(&da->qlock); + + da->lto = jiffies + COMPUTE_TO; +- da->ackto = ackto; + + da->st_rbf.t_rb = 0; + da->st_rbf.h_rb = 0; + da->ack_rbf.t_rb = 0; + da->ack_rbf.h_rb = 0; + ++ da->ackto = ath_dynack_get_max_to(ah); ++ list_for_each_entry(an, &da->nodes, list) ++ an->ackto = da->ackto; ++ + /* init acktimeout */ +- ath_dynack_set_timeout(ah, ackto); ++ ath_dynack_set_timeout(ah, da->ackto); ++ ++ spin_unlock_bh(&da->qlock); + } + EXPORT_SYMBOL(ath_dynack_reset); + +@@ -386,6 +390,8 @@ void ath_dynack_init(struct ath_hw *ah) + + spin_lock_init(&da->qlock); + INIT_LIST_HEAD(&da->nodes); ++ /* ackto = slottime + sifs + air delay */ ++ da->ackto = 9 + 16 + 64; + + ah->hw->wiphy->features |= NL80211_FEATURE_ACKTO_ESTIMATION; + } +-- +2.17.1 + |