diff options
Diffstat (limited to 'package/kernel/mac80211/patches/312-ath9k-Correct-TSF-adjustment-to-align-the-beacon-tim.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/312-ath9k-Correct-TSF-adjustment-to-align-the-beacon-tim.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/package/kernel/mac80211/patches/312-ath9k-Correct-TSF-adjustment-to-align-the-beacon-tim.patch b/package/kernel/mac80211/patches/312-ath9k-Correct-TSF-adjustment-to-align-the-beacon-tim.patch deleted file mode 100644 index df43105cb8..0000000000 --- a/package/kernel/mac80211/patches/312-ath9k-Correct-TSF-adjustment-to-align-the-beacon-tim.patch +++ /dev/null @@ -1,45 +0,0 @@ -From: Benjamin Berg <benjamin.berg@open-mesh.com> -Date: Mon, 4 Jul 2016 14:37:20 +0200 -Subject: [PATCH] ath9k: Correct TSF adjustment to align the beacon time - correctly - -Beacons were not send out at (timestamp % beacon_time == 0) for interfaces -other than the primary one. To send out beacons with the correct timestamp -according to 10.1.3.2 of the 802.11 standard the tsf_adjustment has to be -set to the negative time difference instead of positive. This way the -later beacons get corrected to have a lower (and similar) timestamp with -regard to the beacon from slot 0. - -I am not aware about any issues that have been caused by this. - -Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com> ---- - ---- a/drivers/net/wireless/ath/ath9k/beacon.c -+++ b/drivers/net/wireless/ath/ath9k/beacon.c -@@ -279,17 +279,21 @@ static void ath9k_set_tsfadjust(struct a - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_vif *avp = (void *)vif->drv_priv; - struct ath_beacon_config *cur_conf = &avp->chanctx->beacon; -- u32 tsfadjust; -+ s64 tsfadjust; - - if (avp->av_bslot == 0) - return; - -+ /* tsf_adjust is added to the TSF value. We send out the beacon late, -+ * so need to adjust the TSF starting point to be later in time (i.e. -+ * the theoretical first beacon has a TSF of 0 after correction). -+ */ - tsfadjust = cur_conf->beacon_interval * avp->av_bslot; -- tsfadjust = TU_TO_USEC(tsfadjust) / ATH_BCBUF; -+ tsfadjust = -TU_TO_USEC(tsfadjust) / ATH_BCBUF; - avp->tsf_adjust = cpu_to_le64(tsfadjust); - -- ath_dbg(common, CONFIG, "tsfadjust is: %llu for bslot: %d\n", -- (unsigned long long)tsfadjust, avp->av_bslot); -+ ath_dbg(common, CONFIG, "tsfadjust is: %lld for bslot: %d\n", -+ (signed long long)tsfadjust, avp->av_bslot); - } - - bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif) |