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qcacld-3.0: Fix tsf cap failure when SAP starts on DFS channel

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When DFS channel is used WMI_VDEV_TSF_TSTAMP_ACTION_CMDID is
sent to fw before vdev is in up state. It leads the tsf capture
to enter into HDD_TS_STATUS_WAITING state as the fw returns
invalid tsf in the TSF report event.

The tsf capture has to be restarted to recover from this state.

Fix this by Calling hdd_stop_tsf_sync() while entering into CAC, 
the subsequent call to hdd_start_tsf_sync() will restart the tsf
capture.

CRs-Fixed: 2750676
Change-Id: Ie2fdf719d4b57035bf6fcc11824a894a1e313e23
This commit is contained in:
Subrat Dash 2020-08-08 12:43:49 +05:30 • committed by snandini
commit 307e0288a6
1 changed files with 1 additions and 3 deletions
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4
core/hdd/src/wlan_hdd_hostapd.c
View file

@ -2085,6 +2085,7 @@ QDF_STATUS hdd_hostapd_sap_event_cb(struct sap_event *sap_event,
}
qdf_atomic_set(&adapter->ch_switch_in_progress, 0);
hdd_stop_tsf_sync(adapter);
break;
case eSAP_DFS_CAC_INTERRUPTED:
/*
@ -5959,7 +5960,6 @@ static int __wlan_hdd_cfg80211_stop_ap(struct wiphy *wiphy,
}
}
clear_bit(SOFTAP_BSS_STARTED, &adapter->event_flags);
hdd_stop_tsf_sync(adapter);
/*BSS stopped, clear the active sessions for this device mode*/
policy_mgr_decr_session_set_pcl(hdd_ctx->psoc,
@ -6651,8 +6651,6 @@ static int __wlan_hdd_cfg80211_start_ap(struct wiphy *wiphy,
goto err_start_bss;
}
hdd_start_tsf_sync(adapter);
if (wdev->chandef.chan->center_freq !=
params->chandef.chan->center_freq)
params->chandef = wdev->chandef;