samsung-sm8650/android_kernel_samsung_sm8650-modules
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qcacld-3.0: Disable STA WDI only when the last client disconnected

瀏覽代碼 
There could be a possible race condition between WDI enable_disable
in STA+SAP mode due to STA WDI disable for every client disconnection.
Fix to disable STA WDI only when the last client disconnected.

Change-Id: I02206037708f56bb7d46e0ae280429949fd7beab
CRs-Fixed: 1086926
This commit is contained in:
Yun Park
2016-11-08 12:02:37 -08:00
committed by qcabuildsw
父節點 906e1e4678
當前提交 9b5030f8a8
共有 1 個文件被更改，包括 17 次插入 和 12 次删除
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29
core/hdd/src/wlan_hdd_ipa.c
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@@ -4043,20 +4043,23 @@ static int __hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id,
return 0;
}
hdd_ipa->sap_num_connected_sta--;
/* Disable IPA UC TX PIPE when last STA disconnected */
if (!hdd_ipa->sap_num_connected_sta
&& (false == hdd_ipa->resource_unloading)
&& (HDD_IPA_UC_NUM_WDI_PIPE ==
hdd_ipa->activated_fw_pipe))
hdd_ipa_uc_handle_last_discon(hdd_ipa);
if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) &&
hdd_ipa->sta_connected) {
/* Disable IPA UC TX PIPE when last STA disconnected */
if (!hdd_ipa->sap_num_connected_sta) {
if ((false == hdd_ipa->resource_unloading)
&& (HDD_IPA_UC_NUM_WDI_PIPE ==
hdd_ipa->activated_fw_pipe)) {
hdd_ipa_uc_handle_last_discon(hdd_ipa);
}
qdf_mutex_release(&hdd_ipa->event_lock);
hdd_ipa_uc_offload_enable_disable(
hdd_get_adapter(hdd_ipa->hdd_ctx,
QDF_STA_MODE),
SIR_STA_RX_DATA_OFFLOAD, 0);
if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) &&
hdd_ipa->sta_connected)
hdd_ipa_uc_offload_enable_disable(
hdd_get_adapter(hdd_ipa->hdd_ctx,
QDF_STA_MODE),
SIR_STA_RX_DATA_OFFLOAD, 0);
} else {
qdf_mutex_release(&hdd_ipa->event_lock);
}
@@ -4230,6 +4233,8 @@ QDF_STATUS hdd_ipa_init(hdd_context_t *hdd_ctx)
iface_context->adapter = NULL;
iface_context->offload_enabled = 0;
qdf_spinlock_create(&iface_context->interface_lock);
}
for (i = 0; i < CSR_ROAM_SESSION_MAX; i++) {
vdev_to_iface[i] = CSR_ROAM_SESSION_MAX;
}