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qcacld-3.0: Modify NUD tracking ini for disconnect/roam

Browse source 
Modify the nud tracking ini so that the driver
does a disconnection/roaming after NUD failure
is detected.
According to the ini specified, the driver would
either disconnect or do roaming.

Change-Id: I6af1c819322a702605d92ada735298a124127533
CRs-Fixed: 2497153
This commit is contained in:
gaurank kathpalia 2019-07-30 16:47:13 +05:30 • committed by nshrivas
commit cdc3b574d1
3 changed files with 40 additions and 8 deletions
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25
core/hdd/inc/hdd_dp_cfg.h
View file

@ -1130,14 +1130,21 @@
#define CFG_DP_CONFIG_DP_TRACE_ALL
#endif
#ifdef WLAN_NUD_TRACKING
/*
* <ini>
* gEnableNUDTracking - Will enable or disable NUD tracking within driver
* @Min: 0
* @Max: 1
* @Default: 1
* @Max: 2
* @Default: 2
*
* This ini is used to enable or disable NUD tracking within driver
* This ini is used to specify the behaviour of the driver for NUD tracking.
* If the ini value is:-
* 0: Driver will not track the NUD failures, and ignore the same.
* 1: Driver will track the NUD failures and if honoured will disconnect from
* the connected BSSID.
* 2: Driver will track the NUD failures and if honoured will roam away from
* the connected BSSID to a new BSSID to retain the data connectivity.
*
* Related: None
*
@ -1147,10 +1154,16 @@
*
* <ini>
*/
#ifdef WLAN_NUD_TRACKING
#define CFG_DP_ROAM_AFTER_NUD_FAIL 2
#define CFG_DP_DISCONNECT_AFTER_NUD_FAIL 1
#define CFG_DP_DISABLE_NUD_TRACKING 0
#define CFG_DP_ENABLE_NUD_TRACKING \
CFG_INI_BOOL("gEnableNUDTracking", \
true, "Ctrl to enable nud tracking")
CFG_INI_UINT("gEnableNUDTracking", \
CFG_DP_DISABLE_NUD_TRACKING, \
CFG_DP_ROAM_AFTER_NUD_FAIL, \
CFG_DP_ROAM_AFTER_NUD_FAIL, \
CFG_VALUE_OR_DEFAULT, "Driver NUD tracking behaviour")
#define CFG_DP_ENABLE_NUD_TRACKING_ALL \
CFG(CFG_DP_ENABLE_NUD_TRACKING)

2
core/hdd/inc/wlan_hdd_cfg.h
View file

@ -203,7 +203,7 @@ struct hdd_config {
uint8_t dp_trace_config[DP_TRACE_CONFIG_STRING_LENGTH];
#endif
#ifdef WLAN_NUD_TRACKING
bool enable_nud_tracking;
uint8_t enable_nud_tracking;
#endif
uint8_t operating_channel;
uint8_t num_vdevs;

21
core/hdd/src/wlan_hdd_nud_tracking.c
View file

@ -23,6 +23,7 @@
#include "osif_sync.h"
#include "wlan_hdd_main.h"
#include "wlan_blm_ucfg_api.h"
#include "hdd_dp_cfg.h"
void hdd_nud_set_gateway_addr(struct hdd_adapter *adapter,
struct qdf_mac_addr gw_mac_addr)
@ -277,6 +278,23 @@ hdd_handle_nud_fail_non_sta(struct hdd_adapter *adapter)
}
}
#ifdef WLAN_NUD_TRACKING
static bool
hdd_is_roam_after_nud_enabled(struct hdd_config *config)
{
if (config->enable_nud_tracking == CFG_DP_ROAM_AFTER_NUD_FAIL)
return true;
return false;
}
#else
static bool
hdd_is_roam_after_nud_enabled(struct hdd_config *config)
{
return false;
}
#endif
/**
* __hdd_nud_failure_work() - work for nud event
* @adapter: Pointer to hdd_adapter
@ -312,7 +330,8 @@ static void __hdd_nud_failure_work(struct hdd_adapter *adapter)
return;
}
if (adapter->device_mode == QDF_STA_MODE) {
if (adapter->device_mode == QDF_STA_MODE &&
hdd_is_roam_after_nud_enabled(hdd_ctx->config)) {
hdd_handle_nud_fail_sta(hdd_ctx, adapter);
return;
}