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qcacld-3.0: Add support for packet capture mode

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Add support for packet capture mode to monitor packets
on WLAN interface.

Change-Id: I8409479ef7855d51e303028d7e18e6bf89055407
CRs-Fixed: 2611293
This commit is contained in:
Vulupala Shashank Reddy 2020-01-25 18:11:48 +05:30 committed by nshrivas
parent 2ce0391573
commit 9331f42f3e
8 changed files with 469 additions and 0 deletions
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18
Kbuild
View File

@ -1036,6 +1036,17 @@ ACTION_OUI_OBJS := $(ACTION_OUI_DIR)/core/src/wlan_action_oui_main.o \
$(ACTION_OUI_DIR)/dispatcher/src/wlan_action_oui_ucfg_api.o
endif
######## PACKET CAPTURE ########
PKT_CAPTURE_DIR := components/pkt_capture
PKT_CAPTURE_INC := -I$(WLAN_ROOT)/$(PKT_CAPTURE_DIR)/core/inc \
-I$(WLAN_ROOT)/$(PKT_CAPTURE_DIR)/dispatcher/inc
ifeq ($(CONFIG_WLAN_FEATURE_PKT_CAPTURE), y)
PKT_CAPTURE_OBJS := $(PKT_CAPTURE_DIR)/core/src/wlan_pkt_capture_main.o \
$(PKT_CAPTURE_DIR)/dispatcher/src/wlan_pkt_capture_ucfg_api.o
endif
########## CLD TARGET_IF #######
CLD_TARGET_IF_DIR := components/target_if
@ -1984,6 +1995,7 @@ INCS += $(HOST_DIAG_LOG_INC)
INCS += $(DISA_INC)
INCS += $(ACTION_OUI_INC)
INCS += $(PKT_CAPTURE_INC)
INCS += $(UMAC_DISP_INC)
INCS += $(UMAC_SCAN_INC)
@ -2092,6 +2104,10 @@ ifeq ($(CONFIG_WLAN_FEATURE_ACTION_OUI), y)
OBJS += $(ACTION_OUI_OBJS)
endif
ifeq ($(CONFIG_WLAN_FEATURE_PKT_CAPTURE), y)
OBJS += $(PKT_CAPTURE_OBJS)
endif
OBJS += $(UMAC_DISP_OBJS)
OBJS += $(UMAC_SCAN_OBJS)
OBJS += $(UMAC_COMMON_OBJS)
@ -2687,6 +2703,8 @@ cppflags-$(CONFIG_MCC_TO_SCC_SWITCH) += -DFEATURE_WLAN_MCC_TO_SCC_SWITCH
cppflags-$(CONFIG_FEATURE_WLAN_D0WOW) += -DFEATURE_WLAN_D0WOW
cppflags-$(CONFIG_WLAN_FEATURE_PKT_CAPTURE) += -DWLAN_FEATURE_PKT_CAPTURE
cppflags-$(CONFIG_QCA_WIFI_NAPIER_EMULATION) += -DQCA_WIFI_NAPIER_EMULATION
cppflags-$(CONFIG_SHADOW_V2) += -DCONFIG_SHADOW_V2
cppflags-$(CONFIG_QCA6290_HEADERS_DEF) += -DQCA6290_HEADERS_DEF

78
components/pkt_capture/core/inc/wlan_pkt_capture_main.h Normal file
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@ -0,0 +1,78 @@
/*
* Copyright (c) 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
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: Declare private API which shall be used internally only
* in pkt_capture component. This file shall include prototypes of
* various notification handlers and logging functions.
*
* Note: This API should be never accessed out of pkt_capture component.
*/
#ifndef _WLAN_PKT_CAPTURE_MAIN_H_
#define _WLAN_PKT_CAPTURE_MAIN_H_
#include <qdf_types.h>
#include "wlan_pkt_capture_priv.h"
#include "wlan_pkt_capture_objmgr.h"
#define pkt_capture_log(level, args...) \
QDF_TRACE(QDF_MODULE_ID_PKT_CAPTURE, level, ## args)
#define pkt_capture_logfl(level, format, args...) \
pkt_capture_log(level, FL(format), ## args)
#define pkt_capture_fatal(format, args...) \
pkt_capture_logfl(QDF_TRACE_LEVEL_FATAL, format, ## args)
#define pkt_capture_err(format, args...) \
pkt_capture_logfl(QDF_TRACE_LEVEL_ERROR, format, ## args)
#define pkt_capture_warn(format, args...) \
pkt_capture_logfl(QDF_TRACE_LEVEL_WARN, format, ## args)
#define pkt_capture_info(format, args...) \
pkt_capture_logfl(QDF_TRACE_LEVEL_INFO, format, ## args)
#define pkt_capture_debug(format, args...) \
pkt_capture_logfl(QDF_TRACE_LEVEL_DEBUG, format, ## args)
#define PKT_CAPTURE_ENTER() pkt_capture_debug("enter")
#define PKT_CAPTURE_EXIT() pkt_capture_debug("exit")
/**
* pkt_capture_vdev_create_notification() - Handler for vdev create notify.
* @vdev: vdev which is going to be created by objmgr
* @arg: argument for notification handler.
*
* Allocate and attach vdev private object.
*
* Return: QDF_STATUS status in case of success else return error.
*/
QDF_STATUS
pkt_capture_vdev_create_notification(struct wlan_objmgr_vdev *vdev, void *arg);
/**
* pkt_capture_vdev_destroy_notification() - Handler for vdev destroy notify.
* @vdev: vdev which is going to be destroyed by objmgr
* @arg: argument for notification handler.
*
* Deallocate and detach vdev private object.
*
* Return QDF_STATUS status in case of success else return error
*/
QDF_STATUS
pkt_capture_vdev_destroy_notification(struct wlan_objmgr_vdev *vdev, void *arg);
#endif /* end of _WLAN_PKT_CAPTURE_MAIN_H_ */

81
components/pkt_capture/core/inc/wlan_pkt_capture_objmgr.h Normal file
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@ -0,0 +1,81 @@
/*
* Copyright (c) 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
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: This file contains various object manager related wrappers and helpers
*/
#ifndef _WLAN_PKT_CAPTURE_OBJMGR_H
#define _WLAN_PKT_CAPTURE_OBJMGR_H
#include "wlan_cmn.h"
#include "wlan_objmgr_cmn.h"
#include "wlan_objmgr_vdev_obj.h"
#include "wlan_objmgr_global_obj.h"
/**
* pkt_capture_vdev_get_ref() - Wrapper to increment pkt_capture ref count
* @vdev: vdev object
*
* Wrapper for pkt_capture to increment ref count after checking valid
* object state.
*
* Return: SUCCESS/FAILURE
*/
static inline
QDF_STATUS pkt_capture_vdev_get_ref(struct wlan_objmgr_vdev *vdev)
{
return wlan_objmgr_vdev_try_get_ref(vdev, WLAN_PKT_CAPTURE_ID);
}
/**
* pkt_capture_vdev_put_ref() - Wrapper to decrement pkt_capture ref count
* @vdev: vdev object
*
* Wrapper for pkt_capture to decrement ref count of vdev.
*
* Return: SUCCESS/FAILURE
*/
static inline
void pkt_capture_vdev_put_ref(struct wlan_objmgr_vdev *vdev)
{
return wlan_objmgr_vdev_release_ref(vdev, WLAN_PKT_CAPTURE_ID);
}
/**
* pkt_capture_vdev_get_priv() - Wrapper to retrieve vdev priv obj
* @vdev: vdev pointer
*
* Wrapper for pkt_capture to get vdev private object pointer.
*
* Return: Private object of vdev
*/
static inline struct pkt_capture_vdev_priv *
pkt_capture_vdev_get_priv(struct wlan_objmgr_vdev *vdev)
{
struct pkt_capture_vdev_priv *vdev_priv;
vdev_priv = wlan_objmgr_vdev_get_comp_private_obj(
vdev,
WLAN_UMAC_COMP_PKT_CAPTURE);
QDF_BUG(vdev_priv);
return vdev_priv;
}
#endif /* _WLAN_PKT_CAPTURE_OBJMGR_H */

39
components/pkt_capture/core/inc/wlan_pkt_capture_priv.h Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 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
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: Declare private API which shall be used internally only
* in pkt_capture component. This file shall include prototypes of
* pkt_capture parsing and send logic.
*
* Note: This API should be never accessed out of pkt_capture component.
*/
#ifndef _WLAN_PKT_CAPTURE_PRIV_STRUCT_H_
#define _WLAN_PKT_CAPTURE_PRIV_STRUCT_H_
#include "wlan_pkt_capture_objmgr.h"
/**
* struct pkt_capture_vdev_priv - Private object to be stored in vdev
* @vdev: pointer to vdev object
*/
struct pkt_capture_vdev_priv {
struct wlan_objmgr_vdev *vdev;
};
#endif /* End of _WLAN_PKT_CAPTURE_PRIV_STRUCT_H_ */

97
components/pkt_capture/core/src/wlan_pkt_capture_main.c Normal file
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@ -0,0 +1,97 @@
/*
* Copyright (c) 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
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: Implement various notification handlers which are accessed
* internally in pkt_capture component only.
*/
#include "wlan_pkt_capture_main.h"
/**
* pkt_capture_vdev_create_notification() - Handler for vdev create notify.
* @vdev: vdev which is going to be created by objmgr
* @arg: argument for notification handler.
*
* Allocate and attach vdev private object.
*
* Return: QDF_STATUS status in case of success else return error.
*/
QDF_STATUS
pkt_capture_vdev_create_notification(struct wlan_objmgr_vdev *vdev, void *arg)
{
struct pkt_capture_vdev_priv *vdev_priv;
QDF_STATUS status;
vdev_priv = qdf_mem_malloc(sizeof(*vdev_priv));
if (!vdev_priv) {
status = QDF_STATUS_E_NOMEM;
goto exit;
}
status = wlan_objmgr_vdev_component_obj_attach(
vdev,
WLAN_UMAC_COMP_PKT_CAPTURE,
(void *)vdev_priv, QDF_STATUS_SUCCESS);
if (!QDF_IS_STATUS_SUCCESS(status)) {
pkt_capture_err("Failed to attach priv with vdev");
goto free_vdev_priv;
}
vdev_priv->vdev = vdev;
goto exit;
free_vdev_priv:
qdf_mem_free(vdev_priv);
status = QDF_STATUS_E_INVAL;
exit:
return status;
}
/**
* pkt_capture_vdev_destroy_notification() - Handler for vdev destroy notify.
* @vdev: vdev which is going to be destroyed by objmgr
* @arg: argument for notification handler.
*
* Deallocate and detach vdev private object.
*
* Return QDF_STATUS status in case of success else return error
*/
QDF_STATUS
pkt_capture_vdev_destroy_notification(struct wlan_objmgr_vdev *vdev, void *arg)
{
struct pkt_capture_vdev_priv *vdev_priv = NULL;
QDF_STATUS status = QDF_STATUS_E_FAILURE;
vdev_priv = pkt_capture_vdev_get_priv(vdev);
if (!vdev_priv) {
pkt_capture_err("vdev priv is NULL");
goto exit;
}
status = wlan_objmgr_vdev_component_obj_detach(
vdev,
WLAN_UMAC_COMP_PKT_CAPTURE,
(void *)vdev_priv);
if (!QDF_IS_STATUS_SUCCESS(status))
pkt_capture_err("Failed to detach priv with psoc");
qdf_mem_free(vdev_priv);
exit:
return status;
}

61
components/pkt_capture/dispatcher/inc/wlan_pkt_capture_ucfg_api.h Normal file
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@ -0,0 +1,61 @@
/*
* Copyright (c) 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
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: Declare public API related to the pkt_capture called by north bound
* HDD/OSIF/LIM
*/
#ifndef _WLAN_PKT_CAPTURE_UCFG_API_H_
#define _WLAN_PKT_CAPTURE_UCFG_API_H_
#include <qdf_status.h>
#include <qdf_types.h>
#include "wlan_pkt_capture_objmgr.h"
#ifdef WLAN_FEATURE_PKT_CAPTURE
/**
* ucfg_pkt_capture_init() - Packet capture component initialization.
*
* This function gets called when packet capture initializing.
*
* Return: QDF_STATUS_SUCCESS - in case of success.
*/
QDF_STATUS ucfg_pkt_capture_init(void);
/**
* ucfg_pkt_capture_deinit() - Packet capture component de-init.
*
* This function gets called when packet capture de-init.
*
* Return: None
*/
void ucfg_pkt_capture_deinit(void);
#else
static inline
QDF_STATUS ucfg_pkt_capture_init(void)
{
return QDF_STATUS_SUCCESS;
}
static inline
void ucfg_pkt_capture_deinit(void)
{
}
#endif /* WLAN_FEATURE_PKT_CAPTURE */
#endif /* _WLAN_PKT_CAPTURE_UCFG_API_H_ */

86
components/pkt_capture/dispatcher/src/wlan_pkt_capture_ucfg_api.c Normal file
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@ -0,0 +1,86 @@
/*
* Copyright (c) 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
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: Public API implementation of pkt_capture called by north bound HDD/OSIF.
*/
#include "wlan_pkt_capture_objmgr.h"
#include "wlan_pkt_capture_main.h"
#include "wlan_pkt_capture_ucfg_api.h"
/**
* ucfg_pkt_capture_init() - Packet capture component initialization.
*
* This function gets called when packet capture initializing.
*
* Return: QDF_STATUS_SUCCESS - in case of success.
*/
QDF_STATUS ucfg_pkt_capture_init(void)
{
QDF_STATUS status;
status = wlan_objmgr_register_vdev_create_handler(
WLAN_UMAC_COMP_PKT_CAPTURE,
pkt_capture_vdev_create_notification, NULL);
if (!QDF_IS_STATUS_SUCCESS(status)) {
pkt_capture_err("Failed to register vdev create handler");
goto exit;
}
status = wlan_objmgr_register_vdev_destroy_handler(
WLAN_UMAC_COMP_PKT_CAPTURE,
pkt_capture_vdev_destroy_notification, NULL);
if (QDF_IS_STATUS_SUCCESS(status)) {
pkt_capture_debug("vdev create/del notifications registered");
goto exit;
}
pkt_capture_err("Failed to register vdev delete handler");
wlan_objmgr_unregister_vdev_create_handler(
WLAN_UMAC_COMP_PKT_CAPTURE,
pkt_capture_vdev_create_notification,
NULL);
exit:
return status;
}
/**
* ucfg_pkt_capture_deinit() - Packet capture component de-init.
*
* This function gets called when packet capture de-init.
*
* Return: None
*/
void ucfg_pkt_capture_deinit(void)
{
QDF_STATUS status;
status = wlan_objmgr_unregister_vdev_create_handler(
WLAN_UMAC_COMP_PKT_CAPTURE,
pkt_capture_vdev_create_notification, NULL);
if (!QDF_IS_STATUS_SUCCESS(status))
pkt_capture_err("Failed to unregister vdev create handler");
status = wlan_objmgr_unregister_vdev_destroy_handler(
WLAN_UMAC_COMP_PKT_CAPTURE,
pkt_capture_vdev_destroy_notification,
NULL);
if (!QDF_IS_STATUS_SUCCESS(status))
pkt_capture_err("Failed to unregister vdev delete handler");
}

9
core/hdd/src/wlan_hdd_main.c
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@ -175,6 +175,7 @@
#include "ol_txrx.h"
#include "wlan_hdd_sta_info.h"
#include "mac_init_api.h"
#include "wlan_pkt_capture_ucfg_api.h"
#ifdef MODULE
#define WLAN_MODULE_NAME module_name(THIS_MODULE)
@ -342,6 +343,7 @@ static const struct category_info cinfo[MAX_SUPPORTED_CATEGORY] = {
[QDF_MODULE_ID_DIRECT_BUF_RX] = {QDF_TRACE_LEVEL_ALL},
[QDF_MODULE_ID_SPECTRAL] = {QDF_TRACE_LEVEL_ALL},
[QDF_MODULE_ID_WIFIPOS] = {QDF_TRACE_LEVEL_ALL},
[QDF_MODULE_ID_PKT_CAPTURE] = {QDF_TRACE_LEVEL_ALL},
};
struct notifier_block hdd_netdev_notifier;
@ -14268,8 +14270,14 @@ static QDF_STATUS hdd_component_init(void)
if (QDF_IS_STATUS_ERROR(status))
goto tdls_deinit;
status = ucfg_pkt_capture_init();
if (QDF_IS_STATUS_ERROR(status))
goto blm_deinit;
return QDF_STATUS_SUCCESS;
blm_deinit:
ucfg_blm_deinit();
tdls_deinit:
ucfg_tdls_deinit();
@ -14313,6 +14321,7 @@ mlme_global_deinit:
static void hdd_component_deinit(void)
{
/* deinitialize non-converged components */
ucfg_pkt_capture_deinit();
ucfg_blm_deinit();
ucfg_tdls_deinit();
policy_mgr_deinit();