blob: 74d3a6e0b294558a26b726202983c56e50f1ab55 [file] [log] [blame]
/*
* Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* 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.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
/*============================================================================
FILE: vos_diag.c
OVERVIEW: This source file contains definitions for vOS diag APIs
DEPENDENCIES:
============================================================================*/
#include "vos_types.h"
#include "i_vos_diag_core_log.h"
#include "i_vos_diag_core_event.h"
#include "wlan_hdd_main.h"
#include "wlan_nlink_common.h"
#include "vos_sched.h"
#include "wlan_ptt_sock_svc.h"
#include "wlan_nlink_srv.h"
#include "wlan_ps_wow_diag.h"
#define PTT_MSG_DIAG_CMDS_TYPE 0x5050
#define DIAG_TYPE_LOGS 1
#define DIAG_TYPE_EVENTS 2
#define DIAG_SWAP16(A) ((((tANI_U16)(A) & 0xff00) >> 8) | (((tANI_U16)(A) & 0x00ff) << 8))
typedef struct event_report_s
{
v_U32_t diag_type;
v_U16_t event_id;
v_U16_t length;
} event_report_t;
/**---------------------------------------------------------------------------
\brief vos_log_set_code() -
This function sets the logging code in the given log record.
\param - ptr - Pointer to the log header type.
- code - log code.
\return - None
--------------------------------------------------------------------------*/
void vos_log_set_code (v_VOID_t *ptr, v_U16_t code)
{
if (ptr)
{
/* All log packets are required to start with 'log_header_type'. */
((log_hdr_type *) ptr)->code = code;
}
}
/**---------------------------------------------------------------------------
\brief vos_log_set_length() -
This function sets the length field in the given log record.
\param - ptr - Pointer to the log header type.
- length - log length.
\return - None
--------------------------------------------------------------------------*/
void vos_log_set_length (v_VOID_t *ptr, v_U16_t length)
{
if(ptr)
{
/* All log packets are required to start with 'log_header_type'. */
((log_hdr_type *) ptr)->len = (v_U16_t) length;
}
}
/**---------------------------------------------------------------------------
\brief vos_log_submit() -
This function sends the log data to the ptt socket app only if it is registered with the driver.
\param - ptr - Pointer to the log header type.
\return - None
--------------------------------------------------------------------------*/
void vos_log_submit(v_VOID_t *plog_hdr_ptr)
{
log_hdr_type *pHdr = (log_hdr_type*) plog_hdr_ptr;
tAniHdr *wmsg = NULL;
v_U8_t *pBuf;
struct hdd_context_s *pHddCtx;
v_CONTEXT_t pVosContext= NULL;
v_U16_t data_len;
v_U16_t total_len;
/*Get the global context */
pVosContext = vos_get_global_context(VOS_MODULE_ID_SYS, NULL);
/*Get the Hdd Context */
pHddCtx = ((VosContextType*)(pVosContext))->pHDDContext;
if ((pHddCtx->isLoadInProgress) ||
(pHddCtx->isUnloadInProgress))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
"%s: Unloading/Loading in Progress. Ignore!!!", __func__);
return;
}
if (nl_srv_is_initialized() != 0)
return;
/* Send the log data to the ptt app only if it is registered
* with the wlan driver
*/
if (vos_is_multicast_logging())
{
data_len = pHdr->len;
total_len = sizeof(tAniHdr)+sizeof(v_U32_t)+data_len;
pBuf = (v_U8_t*)vos_mem_malloc(total_len);
if(!pBuf)
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"vos_mem_malloc failed");
return;
}
vos_mem_zero((v_VOID_t*)pBuf,total_len);
wmsg = (tAniHdr*)pBuf;
wmsg->type = PTT_MSG_DIAG_CMDS_TYPE;
wmsg->length = total_len;
wmsg->length = DIAG_SWAP16(wmsg->length);
pBuf += sizeof(tAniHdr);
/* Diag Type events or log */
*(v_U32_t*)pBuf = DIAG_TYPE_LOGS;
pBuf += sizeof(v_U32_t);
vos_mem_copy(pBuf, pHdr, data_len);
if( ptt_sock_send_msg_to_app(wmsg, 0, ANI_NL_MSG_PUMAC, -1) < 0) {
vos_mem_free((v_VOID_t *)wmsg);
return;
}
vos_mem_free((v_VOID_t*)wmsg);
}
return;
}
/**
* vos_log_wlock_diag() - This function is used to send wake lock diag events
* @reason: Reason why the wakelock was taken or released
* @wake_lock_name: Function in which the wakelock was taken or released
* @timeout: Timeout value in case of timed wakelocks
* @status: Status field indicating whether the wake lock was taken/released
*
* This function is used to send wake lock diag events to user space
*
* Return: None
*
*/
void vos_log_wlock_diag(uint32_t reason, const char *wake_lock_name,
uint32_t timeout, uint32_t status)
{
WLAN_VOS_DIAG_EVENT_DEF(wlan_diag_event,
struct vos_event_wlan_wake_lock);
if ((nl_srv_is_initialized() != 0) ||
(vos_is_wakelock_enabled() == false))
return;
wlan_diag_event.status = status;
wlan_diag_event.reason = reason;
wlan_diag_event.timeout = timeout;
wlan_diag_event.name_len = strlen(wake_lock_name);
strlcpy(&wlan_diag_event.name[0],
wake_lock_name,
wlan_diag_event.name_len+1);
WLAN_VOS_DIAG_EVENT_REPORT(&wlan_diag_event, EVENT_WLAN_WAKE_LOCK);
}
/**---------------------------------------------------------------------------
\brief vos_event_report_payload() -
This function sends the event data to the ptt socket app only if it is registered with the driver.
\param - ptr - Pointer to the log header type.
\return - None
--------------------------------------------------------------------------*/
void vos_event_report_payload(v_U16_t event_Id, v_U16_t length, v_VOID_t *pPayload)
{
tAniHdr *wmsg = NULL;
v_U8_t *pBuf;
struct hdd_context_s *pHddCtx;
v_CONTEXT_t pVosContext= NULL;
event_report_t *pEvent_report;
v_U16_t total_len;
/*Get the global context */
pVosContext = vos_get_global_context(VOS_MODULE_ID_SYS, NULL);
if (!pVosContext) {
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: vos context is NULL", __func__);
return;
}
/*Get the Hdd Context */
pHddCtx = ((VosContextType*)(pVosContext))->pHDDContext;
if (!pHddCtx) {
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: hdd context is NULL", __func__);
return;
}
if (nl_srv_is_initialized() != 0)
return;
/* Send the log data to the ptt app only if it is registered
* with the wlan driver
*/
if (vos_is_multicast_logging())
{
total_len = sizeof(tAniHdr)+sizeof(event_report_t)+length;
pBuf = (v_U8_t*)vos_mem_malloc(total_len);
if(!pBuf)
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"vos_mem_malloc failed");
return;
}
wmsg = (tAniHdr*)pBuf;
wmsg->type = PTT_MSG_DIAG_CMDS_TYPE;
wmsg->length = total_len;
wmsg->length = DIAG_SWAP16(wmsg->length);
pBuf += sizeof(tAniHdr);
pEvent_report = (event_report_t*)pBuf;
pEvent_report->diag_type = DIAG_TYPE_EVENTS;
pEvent_report->event_id = event_Id;
pEvent_report->length = length;
pBuf += sizeof(event_report_t);
vos_mem_copy(pBuf, pPayload, length);
if( ptt_sock_send_msg_to_app(wmsg, 0, ANI_NL_MSG_PUMAC, -1) < 0) {
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN,
("Ptt Socket error sending message to the app!!"));
vos_mem_free((v_VOID_t*)wmsg);
return;
}
vos_mem_free((v_VOID_t*)wmsg);
}
return;
}
#ifdef FEATURE_WLAN_DIAG_SUPPORT
/**
* vos_wow_wakeup_host_event()- send wow wakeup event
* @wow_wakeup_cause: WOW wakeup reason code
*
* This function sends wow wakeup reason code diag event
*
* Return: void.
*/
void vos_wow_wakeup_host_event(uint8_t wow_wakeup_cause)
{
WLAN_VOS_DIAG_EVENT_DEF(wowRequest,
vos_event_wlan_powersave_wow_payload_type);
vos_mem_zero(&wowRequest, sizeof(wowRequest));
wowRequest.event_subtype = WLAN_WOW_WAKEUP;
wowRequest.wow_wakeup_cause = wow_wakeup_cause;
WLAN_VOS_DIAG_EVENT_REPORT(&wowRequest,
EVENT_WLAN_POWERSAVE_WOW);
}
#endif
/**
* vos_log_low_resource_failure() - This function is used to send low
* resource failure event
* @event_sub_type: Reason why the failure was observed
*
* This function is used to send low resource failure events to user space
*
* Return: None
*
*/
void vos_log_low_resource_failure(uint8_t event_sub_type)
{
WLAN_VOS_DIAG_EVENT_DEF(wlan_diag_event,
struct vos_event_wlan_low_resource_failure);
wlan_diag_event.event_sub_type = event_sub_type;
WLAN_VOS_DIAG_EVENT_REPORT(&wlan_diag_event,
EVENT_WLAN_LOW_RESOURCE_FAILURE);
}