kernel-module-qualcomm: fix concurrency and p2p support
Fix support for concurrency and some P2P modes by initializing the interface with all the adapter completion variables. https://jira.digi.com/browse/DEL-3072 https://jira.digi.com/browse/DEL-3037 Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>
This commit is contained in:
Isaac Hermida
parent
86cb5b15ae
commit
f8c901b376
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@ -32,6 +32,9 @@ SRC_URI = " \
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file://0013-Kbuild-do-not-create-an-auxiliar-p2p-on-init.patch \
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file://0014-Kbuild-do-not-compile-the-DEBUG-version-inconditiona.patch \
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file://0015-Kbuild-Group-most-of-the-relevant-DEBUG-options.patch \
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file://0016-wlan_hdd_cfg80211-fix-missing-ifdef-clause.patch \
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file://0017-Add-.gitignore-rules.patch \
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file://0018-wlan_hdd_main-initialize-all-adapter-completion-vari.patch \
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"
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S = "${WORKDIR}/${PV}"
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@ -0,0 +1,28 @@
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From: Isaac Hermida <isaac.hermida@digi.com>
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Date: Fri, 14 Oct 2016 10:28:29 +0200
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Subject: [PATCH] wlan_hdd_cfg80211: fix missing ifdef clause
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Fix the compilation for old kernels by defining a missing "ifdef" clause.
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Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>
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---
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CORE/HDD/inc/wlan_hdd_cfg80211.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/CORE/HDD/inc/wlan_hdd_cfg80211.h b/CORE/HDD/inc/wlan_hdd_cfg80211.h
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index a40c55144bc5..95c1ddce7de4 100644
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--- a/CORE/HDD/inc/wlan_hdd_cfg80211.h
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+++ b/CORE/HDD/inc/wlan_hdd_cfg80211.h
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@@ -992,7 +992,12 @@ backported_cfg80211_vendor_event_alloc(struct wiphy *wiphy,
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int approxlen,
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int event_idx, gfp_t gfp)
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{
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
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return cfg80211_vendor_event_alloc(wiphy, wdev, approxlen, event_idx, gfp);
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+#else
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+ return cfg80211_vendor_event_alloc(wiphy, approxlen, event_idx, gfp);
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+#endif
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+
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}
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#define cfg80211_vendor_event_alloc backported_cfg80211_vendor_event_alloc
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#endif
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@ -0,0 +1,25 @@
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From: Isaac Hermida <isaac.hermida@digi.com>
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Date: Mon, 17 Oct 2016 10:06:18 +0200
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Subject: [PATCH] Add .gitignore rules
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Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>
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---
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.gitignore | 9 +++++++++
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1 file changed, 9 insertions(+)
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create mode 100644 .gitignore
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diff --git a/.gitignore b/.gitignore
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new file mode 100644
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index 000000000000..9886b5284c3f
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--- /dev/null
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+++ b/.gitignore
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@@ -0,0 +1,9 @@
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+*.o
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+*.o.cmd
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+.tmp_versions
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+.*
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+Module.symvers
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+modules.order
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+*.mod.c
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+cscope.*
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+wlan.ko
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@ -0,0 +1,206 @@
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From: Isaac Hermida <isaac.hermida@digi.com>
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Date: Tue, 5 Jul 2016 14:55:15 +0530
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Subject: [PATCH] wlan_hdd_main: initialize all adapter completion variables
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In order to change the p2p device mode, delete and add virtual_iface
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followed by change_iface will be invoked. But in this case device mode
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is changed by invoking change_iface method without invoking delete and
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add virtual_iface functions resulting in kernel panic.
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This is because, in latter case hdd_open_adapter will not be invoked
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for the intended device mode. Hence uninitialized completion variables
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will be used for further operations.
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To mitigate this issue, Initialize all completion variables of
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hdd_adapter_t structure during open adapter irrespective of adapter's
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device mode.
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https://jira.digi.com/browse/DEL-3072
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https://jira.digi.com/browse/DEL-3037
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(cherry-picked from 20ed76a8e436042590aa25acb33a2ba3d6d34250)
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Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>
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---
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CORE/HDD/inc/wlan_hdd_main.h | 1 +
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CORE/HDD/src/wlan_hdd_hostapd.c | 10 -----
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CORE/HDD/src/wlan_hdd_main.c | 82 ++++++++++++++++++++++++-----------------
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3 files changed, 50 insertions(+), 43 deletions(-)
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diff --git a/CORE/HDD/inc/wlan_hdd_main.h b/CORE/HDD/inc/wlan_hdd_main.h
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index f01b7f309dc2..3c5a51a57d6c 100644
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--- a/CORE/HDD/inc/wlan_hdd_main.h
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+++ b/CORE/HDD/inc/wlan_hdd_main.h
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@@ -1740,4 +1740,5 @@ static inline void wlan_hdd_stop_sap(hdd_adapter_t *ap_adapter) {}
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static inline void wlan_hdd_start_sap(hdd_adapter_t *ap_adapter) {}
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#endif
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bool wlan_hdd_get_fw_state(hdd_adapter_t *adapter);
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+void hdd_initialize_adapter_common(hdd_adapter_t *adapter);
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#endif // end #if !defined( WLAN_HDD_MAIN_H )
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diff --git a/CORE/HDD/src/wlan_hdd_hostapd.c b/CORE/HDD/src/wlan_hdd_hostapd.c
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index 8a80d26f355a..4bd6b844ac5a 100644
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--- a/CORE/HDD/src/wlan_hdd_hostapd.c
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+++ b/CORE/HDD/src/wlan_hdd_hostapd.c
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@@ -5389,9 +5389,6 @@ VOS_STATUS hdd_init_ap_mode( hdd_adapter_t *pAdapter )
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return status;
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}
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- init_completion(&pAdapter->session_close_comp_var);
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- init_completion(&pAdapter->session_open_comp_var);
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-
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sema_init(&(WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->semWpsPBCOverlapInd, 1);
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// Register as a wireless device
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@@ -5494,13 +5491,6 @@ hdd_adapter_t* hdd_wlan_create_ap_dev( hdd_context_t *pHddCtx, tSirMacAddr macAd
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pWlanHostapdDev->ieee80211_ptr = &pHostapdAdapter->wdev ;
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pHostapdAdapter->wdev.wiphy = pHddCtx->wiphy;
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pHostapdAdapter->wdev.netdev = pWlanHostapdDev;
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- init_completion(&pHostapdAdapter->tx_action_cnf_event);
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- init_completion(&pHostapdAdapter->cancel_rem_on_chan_var);
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- init_completion(&pHostapdAdapter->rem_on_chan_ready_event);
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- init_completion(&pHostapdAdapter->ula_complete);
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- init_completion(&pHostapdAdapter->offchannel_tx_event);
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- init_completion(&pHostapdAdapter->scan_info.scan_req_completion_event);
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- init_completion(&pHostapdAdapter->scan_info.abortscan_event_var);
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vos_event_init(&pHostapdAdapter->scan_info.scan_finished_event);
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pHostapdAdapter->scan_info.scan_pending_option = WEXT_SCAN_PENDING_GIVEUP;
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diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
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index a10da2a9b164..b447f0931d52 100755
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--- a/CORE/HDD/src/wlan_hdd_main.c
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+++ b/CORE/HDD/src/wlan_hdd_main.c
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@@ -8234,7 +8234,6 @@ static hdd_adapter_t* hdd_alloc_station_adapter( hdd_context_t *pHddCtx, tSirMac
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if(pWlanDev != NULL)
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{
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-
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//Save the pointer to the net_device in the HDD adapter
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pAdapter = (hdd_adapter_t*) netdev_priv( pWlanDev );
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@@ -8244,43 +8243,11 @@ static hdd_adapter_t* hdd_alloc_station_adapter( hdd_context_t *pHddCtx, tSirMac
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pAdapter->pHddCtx = pHddCtx;
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pAdapter->magic = WLAN_HDD_ADAPTER_MAGIC;
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- init_completion(&pAdapter->session_open_comp_var);
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- init_completion(&pAdapter->session_close_comp_var);
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- init_completion(&pAdapter->disconnect_comp_var);
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- init_completion(&pAdapter->linkup_event_var);
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- init_completion(&pAdapter->cancel_rem_on_chan_var);
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- init_completion(&pAdapter->rem_on_chan_ready_event);
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- init_completion(&pAdapter->offchannel_tx_event);
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- init_completion(&pAdapter->tx_action_cnf_event);
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-#ifdef FEATURE_WLAN_TDLS
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- init_completion(&pAdapter->tdls_add_station_comp);
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- init_completion(&pAdapter->tdls_del_station_comp);
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- init_completion(&pAdapter->tdls_mgmt_comp);
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- init_completion(&pAdapter->tdls_link_establish_req_comp);
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-#endif
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-
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- init_completion(&pHddCtx->mc_sus_event_var);
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- init_completion(&pHddCtx->tx_sus_event_var);
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- init_completion(&pHddCtx->rx_sus_event_var);
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- init_completion(&pHddCtx->ready_to_suspend);
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- init_completion(&pAdapter->ula_complete);
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- init_completion(&pAdapter->change_country_code);
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-
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-#ifdef WLAN_FEATURE_EXTWOW_SUPPORT
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- init_completion(&pHddCtx->ready_to_extwow);
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-#endif
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-
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-#ifdef FEATURE_WLAN_BATCH_SCAN
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- init_completion(&pAdapter->hdd_set_batch_scan_req_var);
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- init_completion(&pAdapter->hdd_get_batch_scan_req_var);
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pAdapter->pBatchScanRsp = NULL;
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pAdapter->numScanList = 0;
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pAdapter->batchScanState = eHDD_BATCH_SCAN_STATE_STOPPED;
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pAdapter->prev_batch_id = 0;
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mutex_init(&pAdapter->hdd_batch_scan_lock);
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-#endif
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- init_completion(&pAdapter->scan_info.scan_req_completion_event);
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- init_completion(&pAdapter->scan_info.abortscan_event_var);
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vos_event_init(&pAdapter->scan_info.scan_finished_event);
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pAdapter->scan_info.scan_pending_option = WEXT_SCAN_PENDING_GIVEUP;
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@@ -9018,6 +8985,7 @@ hdd_adapter_t* hdd_open_adapter( hdd_context_t *pHddCtx, tANI_U8 session_type,
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pAdapter->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
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pAdapter->device_mode = session_type;
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+ hdd_initialize_adapter_common(pAdapter);
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status = hdd_init_station_mode( pAdapter );
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if( VOS_STATUS_SUCCESS != status )
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@@ -9089,6 +9057,7 @@ hdd_adapter_t* hdd_open_adapter( hdd_context_t *pHddCtx, tANI_U8 session_type,
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NL80211_IFTYPE_P2P_GO;
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pAdapter->device_mode = session_type;
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+ hdd_initialize_adapter_common(pAdapter);
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status = hdd_init_ap_mode(pAdapter);
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if( VOS_STATUS_SUCCESS != status )
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goto err_free_netdev;
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@@ -9163,6 +9132,7 @@ hdd_adapter_t* hdd_open_adapter( hdd_context_t *pHddCtx, tANI_U8 session_type,
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pAdapter->device_mode = session_type;
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status = hdd_register_interface( pAdapter, rtnl_held );
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+ hdd_initialize_adapter_common(pAdapter);
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hdd_init_tx_rx( pAdapter );
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//Stop the Interface TX queue.
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@@ -11735,6 +11705,13 @@ int hdd_wlan_startup(struct device *dev, v_VOID_t *hif_sc)
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init_completion(&pHddCtx->full_pwr_comp_var);
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init_completion(&pHddCtx->standby_comp_var);
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init_completion(&pHddCtx->req_bmps_comp_var);
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+ init_completion(&pHddCtx->mc_sus_event_var);
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+ init_completion(&pHddCtx->tx_sus_event_var);
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+ init_completion(&pHddCtx->rx_sus_event_var);
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+ init_completion(&pHddCtx->ready_to_suspend);
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+#ifdef WLAN_FEATURE_EXTWOW_SUPPORT
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+ init_completion(&pHddCtx->ready_to_extwow);
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+#endif
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spin_lock_init(&pHddCtx->schedScan_lock);
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@@ -14494,6 +14471,45 @@ void wlan_hdd_start_sap(hdd_adapter_t *ap_adapter)
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}
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#endif
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+/**
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+ * hdd_initialize_adapter_common() - initialize completion variables
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+ * @adapter: pointer to hdd_adapter_t
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+ *
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+ * Return: none
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+ */
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+void hdd_initialize_adapter_common(hdd_adapter_t *adapter)
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+{
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+ if (NULL == adapter) {
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+ hddLog(VOS_TRACE_LEVEL_ERROR, "%s: adapter is NULL ", __func__);
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+ return;
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+ }
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+ init_completion(&adapter->session_open_comp_var);
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+ init_completion(&adapter->session_close_comp_var);
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+ init_completion(&adapter->disconnect_comp_var);
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+ init_completion(&adapter->linkup_event_var);
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+ init_completion(&adapter->cancel_rem_on_chan_var);
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+ init_completion(&adapter->rem_on_chan_ready_event);
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+ init_completion(&adapter->offchannel_tx_event);
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+ init_completion(&adapter->tx_action_cnf_event);
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+#ifdef FEATURE_WLAN_TDLS
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+ init_completion(&adapter->tdls_add_station_comp);
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+ init_completion(&adapter->tdls_del_station_comp);
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+ init_completion(&adapter->tdls_mgmt_comp);
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+ init_completion(&adapter->tdls_link_establish_req_comp);
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+#endif
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+ init_completion(&adapter->ula_complete);
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+ init_completion(&adapter->change_country_code);
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+ init_completion(&adapter->scan_info.scan_req_completion_event);
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+ init_completion(&adapter->scan_info.abortscan_event_var);
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+
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+#ifdef FEATURE_WLAN_BATCH_SCAN
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+ init_completion(&adapter->hdd_set_batch_scan_req_var);
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+ init_completion(&adapter->hdd_get_batch_scan_req_var);
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+#endif
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+
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+ return;
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+}
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+
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//Register the module init/exit functions
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module_init(hdd_module_init);
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module_exit(hdd_module_exit);
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