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qcacld-3.0: Send AP_DISCONNECT event after all clients disconnected

Browse source 
There could be an abnormal situation occurs in IPA pipes suspend
process if HDD_IPA_AP_DISCONNECT event sent while WDI pipes are still
active.
Fix to send HDD_IPA_AP_DISCONNECT after all clients disconnected.

Change-Id: I7ad757834ec22384d07236363d135009a9710bee
CRs-Fixed: 2192239
This commit is contained in:
Yun Park 2018-03-07 14:11:27 -08:00 • committed by Sandeep Puligilla
commit a9d0c11298
2 changed files with 19 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

29
core/hdd/src/wlan_hdd_hostapd.c
View file

@ -1701,17 +1701,8 @@ QDF_STATUS hdd_hostapd_sap_event_cb(tpSap_Event pSapEvent,
adapter->session_id,
WLAN_IPA_AP_CONNECT,
adapter->dev->dev_addr);
if (status) {
hdd_err("WLAN_AP_CONNECT event failed!!");
/*
* Make sure to set the event before proceeding
* for error handling otherwise caller thread
* will wait till 10 secs and no other
* connection will go through before that.
*/
qdf_event_set(&hostapd_state->qdf_event);
goto stopbss;
}
if (status)
hdd_err("WLAN_AP_CONNECT event failed");
}
#ifdef FEATURE_WLAN_AUTO_SHUTDOWN
@ -1820,18 +1811,6 @@ QDF_STATUS hdd_hostapd_sap_event_cb(tpSap_Event pSapEvent,
/* Invalidate the channel info. */
ap_ctx->operating_channel = 0;
if (ucfg_ipa_is_enabled()) {
status = ucfg_ipa_wlan_evt(hdd_ctx->hdd_pdev,
adapter->dev, adapter->device_mode,
ap_ctx->broadcast_sta_id,
adapter->session_id,
WLAN_IPA_AP_DISCONNECT,
adapter->dev->dev_addr);
if (status) {
hdd_err("WLAN_AP_DISCONNECT event failed!!");
goto stopbss;
}
}
/* reset the dfs_cac_status and dfs_cac_block_tx flag only when
* the last BSS is stopped
@ -2085,10 +2064,8 @@ QDF_STATUS hdd_hostapd_sap_event_cb(tpSap_Event pSapEvent,
adapter->session_id,
WLAN_IPA_CLIENT_CONNECT_EX,
event->staMac.bytes);
if (status) {
if (status)
hdd_err("WLAN_CLIENT_CONNECT_EX event failed");
goto stopbss;
}
}
DPTRACE(qdf_dp_trace_mgmt_pkt(QDF_DP_TRACE_MGMT_PACKET_RECORD,

23
core/hdd/src/wlan_hdd_softap_tx_rx.c
View file

@ -1023,13 +1023,14 @@ QDF_STATUS hdd_softap_deregister_sta(struct hdd_adapter *adapter,
if (adapter->sta_info[staId].in_use) {
if (ucfg_ipa_is_enabled()) {
ucfg_ipa_wlan_evt(hdd_ctx->hdd_pdev, adapter->dev,
if (ucfg_ipa_wlan_evt(hdd_ctx->hdd_pdev, adapter->dev,
adapter->device_mode,
adapter->sta_info[staId].sta_id,
adapter->session_id,
WLAN_IPA_CLIENT_DISCONNECT,
adapter->sta_info[staId].sta_mac.
bytes);
bytes) != QDF_STATUS_SUCCESS)
hdd_err("WLAN_CLIENT_DISCONNECT event failed");
}
spin_lock_bh(&adapter->sta_info_lock);
qdf_mem_zero(&adapter->sta_info[staId],
@ -1189,8 +1190,10 @@ QDF_STATUS hdd_softap_stop_bss(struct hdd_adapter *adapter)
QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE;
uint8_t staId = 0;
struct hdd_context *hdd_ctx;
struct hdd_ap_ctx *ap_ctx;
hdd_ctx = WLAN_HDD_GET_CTX(adapter);
ap_ctx = WLAN_HDD_GET_AP_CTX_PTR(adapter);
/* This is stop bss callback running in scheduler thread so do not
* driver unload in progress check otherwise it can lead to peer
@ -1198,13 +1201,9 @@ QDF_STATUS hdd_softap_stop_bss(struct hdd_adapter *adapter)
*/
qdf_status = hdd_softap_deregister_bc_sta(adapter);
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
struct hdd_ap_ctx *ap_ctx;
ap_ctx = WLAN_HDD_GET_AP_CTX_PTR(adapter);
if (!QDF_IS_STATUS_SUCCESS(qdf_status))
hdd_err("Failed to deregister BC sta Id %d",
ap_ctx->broadcast_sta_id);
}
for (staId = 0; staId < WLAN_MAX_STA_COUNT; staId++) {
/* This excludes BC sta as it is already deregistered */
@ -1223,6 +1222,16 @@ QDF_STATUS hdd_softap_stop_bss(struct hdd_adapter *adapter)
sme_update_channel_list(hdd_ctx->hHal);
}
if (ucfg_ipa_is_enabled()) {
if (ucfg_ipa_wlan_evt(hdd_ctx->hdd_pdev,
adapter->dev, adapter->device_mode,
ap_ctx->broadcast_sta_id,
adapter->session_id,
WLAN_IPA_AP_DISCONNECT,
adapter->dev->dev_addr) != QDF_STATUS_SUCCESS)
hdd_err("WLAN_AP_DISCONNECT event failed");
}
return qdf_status;
}