| /* |
| * 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: host_diag_log.c |
| |
| OVERVIEW: This source file contains definitions for WLAN UTIL diag APIs |
| |
| DEPENDENCIES: |
| ============================================================================*/ |
| |
| #include "qdf_types.h" |
| #include "i_host_diag_core_log.h" |
| #include "host_diag_core_event.h" |
| #include "wlan_nlink_common.h" |
| #include "cds_sched.h" |
| #include "wlan_ptt_sock_svc.h" |
| #include "wlan_nlink_srv.h" |
| #include "cds_api.h" |
| |
| #define PTT_MSG_DIAG_CMDS_TYPE (0x5050) |
| |
| #define DIAG_TYPE_LOGS (1) |
| #define DIAG_TYPE_EVENTS (2) |
| |
| #define DIAG_SWAP16(A) ((((uint16_t)(A) & 0xff00) >> 8) | (((uint16_t)(A) & 0x00ff) << 8)) |
| |
| typedef struct event_report_s { |
| uint32_t diag_type; |
| uint16_t event_id; |
| uint16_t length; |
| } event_report_t; |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief host_diag_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 host_diag_log_set_code(void *ptr, uint16_t code) |
| { |
| if (ptr) { |
| /* All log packets are required to start with 'log_header_type' */ |
| ((log_hdr_type *) ptr)->code = code; |
| } |
| } |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief host_diag_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 host_diag_log_set_length(void *ptr, uint16_t length) |
| { |
| if (ptr) { |
| /* All log packets are required to start with 'log_header_type' */ |
| ((log_hdr_type *) ptr)->len = (uint16_t) length; |
| } |
| } |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief host_diag_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 host_diag_log_submit(void *plog_hdr_ptr) |
| { |
| log_hdr_type *pHdr = (log_hdr_type *) plog_hdr_ptr; |
| tAniHdr *wmsg = NULL; |
| uint8_t *pBuf; |
| uint16_t data_len; |
| uint16_t total_len; |
| |
| if (cds_is_load_or_unload_in_progress()) { |
| QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_INFO, |
| "%s: Unloading/Loading in Progress. Ignore!!!", |
| __func__); |
| return; |
| } |
| |
| if (nl_srv_is_initialized() != 0) |
| return; |
| |
| if (cds_is_multicast_logging()) { |
| data_len = pHdr->len; |
| |
| total_len = sizeof(tAniHdr) + sizeof(uint32_t) + data_len; |
| |
| pBuf = (uint8_t *) qdf_mem_malloc(total_len); |
| |
| if (!pBuf) { |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "qdf_mem_malloc failed"); |
| return; |
| } |
| |
| qdf_mem_zero((void *)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 */ |
| *(uint32_t *) pBuf = DIAG_TYPE_LOGS; |
| pBuf += sizeof(uint32_t); |
| |
| memcpy(pBuf, pHdr, data_len); |
| ptt_sock_send_msg_to_app (wmsg, 0, ANI_NL_MSG_PUMAC, |
| INVALID_PID); |
| qdf_mem_free((void *)wmsg); |
| } |
| return; |
| } |
| |
| /** |
| * host_diag_log_wlock() - 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 host_diag_log_wlock(uint32_t reason, const char *wake_lock_name, |
| uint32_t timeout, uint32_t status) |
| { |
| WLAN_HOST_DIAG_EVENT_DEF(wlan_diag_event, |
| struct host_event_wlan_wake_lock); |
| |
| if ((nl_srv_is_initialized() != 0) || |
| (cds_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_HOST_DIAG_EVENT_REPORT(&wlan_diag_event, EVENT_WLAN_WAKE_LOCK); |
| } |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief host_diag_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 host_diag_event_report_payload(uint16_t event_Id, uint16_t length, |
| void *pPayload) |
| { |
| tAniHdr *wmsg = NULL; |
| uint8_t *pBuf; |
| event_report_t *pEvent_report; |
| uint16_t total_len; |
| |
| if (cds_is_load_or_unload_in_progress()) { |
| QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_INFO, |
| "%s: Unloading/Loading in Progress. Ignore!!!", |
| __func__); |
| return; |
| } |
| |
| if (nl_srv_is_initialized() != 0) |
| return; |
| |
| if (cds_is_multicast_logging()) { |
| total_len = sizeof(tAniHdr) + sizeof(event_report_t) + length; |
| |
| pBuf = (uint8_t *) qdf_mem_malloc(total_len); |
| |
| if (!pBuf) { |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "qdf_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); |
| |
| memcpy(pBuf, pPayload, length); |
| |
| if (ptt_sock_send_msg_to_app |
| (wmsg, 0, ANI_NL_MSG_PUMAC, INVALID_PID) < 0) { |
| QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
| "Ptt Socket error sending message to the app!!"); |
| qdf_mem_free((void *)wmsg); |
| return; |
| } |
| |
| qdf_mem_free((void *)wmsg); |
| } |
| |
| return; |
| |
| } |