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qcacld-3.0: Add AP to avoid list if EAPOL failure happens

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Scenario:
Configure two AP with same SSID and different
passwords, and try to connect to one and then roam to
other.
Observations: The DUT would connect to the second AP
but since the password is different, the EAPOL would
certainly fail, and hence it would result in overall
connection drop and the DUT could not establish a
secure connection with the second AP, and it
disconnected with the previous AP.

Fix is to avoid the AP for some time and try to
connect to other BSSIDs, and still if the EAPOl
fails with the new AP, blacklist it.

Change-Id: Ifb908823cd0eb1873ec7a4b08dffa86e548533fc
CRs-Fixed: 2591467
This commit is contained in:
gaurank kathpalia 2019-12-30 20:21:08 +05:30 committed by nshrivas
parent 628d3ef690
commit 893de039ac
1 changed files with 23 additions and 5 deletions
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28
core/wma/src/wma_scan_roam.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2019 The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2020 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@ -39,6 +39,7 @@
#include "qdf_nbuf.h"
#include "qdf_types.h"
#include "qdf_mem.h"
#include "wlan_blm_api.h"
#include "wma_types.h"
#include "lim_api.h"
@ -3933,11 +3934,18 @@ int wma_rssi_breached_event_handler(void *handle,
*
* Return: none
*/
static void wma_roam_ho_fail_handler(tp_wma_handle wma, uint32_t vdev_id)
static void
wma_roam_ho_fail_handler(tp_wma_handle wma, uint32_t vdev_id,
struct qdf_mac_addr bssid)
{
struct handoff_failure_ind *ho_failure_ind;
struct scheduler_msg sme_msg = { 0 };
QDF_STATUS qdf_status;
struct reject_ap_info ap_info;
ap_info.bssid = bssid;
ap_info.reject_ap_type = DRIVER_AVOID_TYPE;
wlan_blm_add_bssid_to_reject_list(wma->pdev, &ap_info);
ho_failure_ind = qdf_mem_malloc(sizeof(*ho_failure_ind));
if (!ho_failure_ind)
@ -5778,6 +5786,9 @@ int wma_roam_event_callback(WMA_HANDLE handle, uint8_t *event_buf,
wmi_roam_event_fixed_param *wmi_event;
struct roam_offload_synch_ind *roam_synch_data;
uint8_t *frame = NULL;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
struct qdf_mac_addr bssid;
#endif
param_buf = (WMI_ROAM_EVENTID_param_tlvs *) event_buf;
if (!param_buf) {
@ -5857,10 +5868,17 @@ int wma_roam_event_callback(WMA_HANDLE handle, uint8_t *event_buf,
*/
WMA_LOGE("LFR3:Hand-Off Failed for vdevid %x",
wmi_event->vdev_id);
bssid.bytes[0] = wmi_event->notif_params >> 0 & 0xFF;
bssid.bytes[1] = wmi_event->notif_params >> 8 & 0xFF;
bssid.bytes[2] = wmi_event->notif_params >> 16 & 0xFF;
bssid.bytes[3] = wmi_event->notif_params >> 24 & 0xFF;
bssid.bytes[4] = wmi_event->notif_params1 >> 0 & 0xFF;
bssid.bytes[5] = wmi_event->notif_params1 >> 8 & 0xFF;
WMA_LOGE("mac addr to avoid %pM", bssid.bytes);
wma_handle_hw_mode_transition(wma_handle, param_buf);
wma_roam_ho_fail_handler(wma_handle, wmi_event->vdev_id);
wma_handle->interfaces[wmi_event->vdev_id].
roaming_in_progress = false;
wma_roam_ho_fail_handler(wma_handle, wmi_event->vdev_id, bssid);
wma_handle->interfaces[wmi_event->vdev_id].roaming_in_progress =
false;
break;
#endif
case WMI_ROAM_REASON_INVALID: