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author | Felix Fietkau <nbd@nbd.name> | 2016-07-05 10:45:17 +0200 |
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committer | Felix Fietkau <nbd@nbd.name> | 2016-07-05 10:45:17 +0200 |
commit | 92d856f50a71d0376e491644894507458bc26050 (patch) | |
tree | 78191f330ece4bd2412b327135fb43a751af8aa0 /package/kernel/mac80211/patches/315-ath9k-Expose-tsf_adjustment-in-mac80211-tsf-getters-.patch | |
parent | 71753a8286dcb4dedbb6d4792b0fd5dd305c3338 (diff) | |
download | master-31e0f0ae-92d856f50a71d0376e491644894507458bc26050.tar.gz master-31e0f0ae-92d856f50a71d0376e491644894507458bc26050.tar.bz2 master-31e0f0ae-92d856f50a71d0376e491644894507458bc26050.zip |
ath9k: add beacon related stability fixes
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel/mac80211/patches/315-ath9k-Expose-tsf_adjustment-in-mac80211-tsf-getters-.patch')
-rw-r--r-- | package/kernel/mac80211/patches/315-ath9k-Expose-tsf_adjustment-in-mac80211-tsf-getters-.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/315-ath9k-Expose-tsf_adjustment-in-mac80211-tsf-getters-.patch b/package/kernel/mac80211/patches/315-ath9k-Expose-tsf_adjustment-in-mac80211-tsf-getters-.patch new file mode 100644 index 0000000000..c95ab7e644 --- /dev/null +++ b/package/kernel/mac80211/patches/315-ath9k-Expose-tsf_adjustment-in-mac80211-tsf-getters-.patch @@ -0,0 +1,32 @@ +From: Benjamin Berg <benjamin.berg@open-mesh.com> +Date: Mon, 4 Jul 2016 14:37:23 +0200 +Subject: [PATCH] ath9k: Expose tsf_adjustment in mac80211 tsf getters and + setters. + +The ath9k driver modifies the TSF for VIFs for the purpose of sending +beacons in a staggered fashion. This patch exposes this VIF specific +adjustment of the TSF value to mac80211. Without the change the TSF +routines handle the hardware TSF value instead of the actual TSF value as +seen on the air. + +Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com> +--- + +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -1835,6 +1835,7 @@ static u64 ath9k_get_tsf(struct ieee8021 + tsf = sc->cur_chan->tsf_val + + ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL); + } ++ tsf += le64_to_cpu(avp->tsf_adjust); + ath9k_ps_restore(sc); + mutex_unlock(&sc->mutex); + +@@ -1850,6 +1851,7 @@ static void ath9k_set_tsf(struct ieee802 + + mutex_lock(&sc->mutex); + ath9k_ps_wakeup(sc); ++ tsf -= le64_to_cpu(avp->tsf_adjust); + getrawmonotonic(&avp->chanctx->tsf_ts); + if (sc->cur_chan == avp->chanctx) + ath9k_hw_settsf64(sc->sc_ah, tsf); |