/*
* Copyright (C) 2017 The Android Open Source Project
*
* Portions copyright (C) 2017 Broadcom Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdint.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <linux/rtnetlink.h>
#include <netpacket/packet.h>
#include <linux/filter.h>
#include <linux/errqueue.h>
#include <linux/pkt_sched.h>
#include <netlink/object-api.h>
#include <netlink/netlink.h>
#include <netlink/socket.h>
#include <netlink-private/object-api.h>
#include <netlink-private/types.h>
#include "nl80211_copy.h"
#include "sync.h"
#define LOG_TAG "WifiHAL"
#include <log/log.h>
#include "wifi_hal.h"
#include "common.h"
#include "cpp_bindings.h"
typedef enum {
LOGGER_START_LOGGING = ANDROID_NL80211_SUBCMD_DEBUG_RANGE_START,
LOGGER_TRIGGER_MEM_DUMP,
LOGGER_GET_MEM_DUMP,
LOGGER_GET_VER,
LOGGER_GET_RING_STATUS,
LOGGER_GET_RING_DATA,
LOGGER_GET_FEATURE,
LOGGER_RESET_LOGGING,
LOGGER_TRIGGER_DRIVER_MEM_DUMP,
LOGGER_GET_DRIVER_MEM_DUMP,
LOGGER_START_PKT_FATE_MONITORING,
LOGGER_GET_TX_PKT_FATES,
LOGGER_GET_RX_PKT_FATES,
} DEBUG_SUB_COMMAND;
typedef enum {
LOGGER_ATTRIBUTE_DRIVER_VER,
LOGGER_ATTRIBUTE_FW_VER,
LOGGER_ATTRIBUTE_RING_ID,
LOGGER_ATTRIBUTE_RING_NAME,
LOGGER_ATTRIBUTE_RING_FLAGS,
LOGGER_ATTRIBUTE_LOG_LEVEL,
LOGGER_ATTRIBUTE_LOG_TIME_INTVAL,
LOGGER_ATTRIBUTE_LOG_MIN_DATA_SIZE,
LOGGER_ATTRIBUTE_FW_DUMP_LEN,
LOGGER_ATTRIBUTE_FW_DUMP_DATA,
// LOGGER_ATTRIBUTE_FW_ERR_CODE,
LOGGER_ATTRIBUTE_RING_DATA,
LOGGER_ATTRIBUTE_RING_STATUS,
LOGGER_ATTRIBUTE_RING_NUM,
LOGGER_ATTRIBUTE_DRIVER_DUMP_LEN,
LOGGER_ATTRIBUTE_DRIVER_DUMP_DATA,
LOGGER_ATTRIBUTE_PKT_FATE_NUM,
LOGGER_ATTRIBUTE_PKT_FATE_DATA,
} LOGGER_ATTRIBUTE;
typedef enum {
DEBUG_OFF = 0,
DEBUG_NORMAL,
DEBUG_VERBOSE,
DEBUG_VERY,
DEBUG_VERY_VERY,
} LOGGER_LEVEL;
typedef enum {
GET_FW_VER,
GET_DRV_VER,
GET_RING_DATA,
GET_RING_STATUS,
GET_FEATURE,
START_RING_LOG,
} GetCmdType;
typedef enum {
PACKET_MONITOR_START,
TX_PACKET_FATE,
RX_PACKET_FATE,
} PktFateReqType;
///////////////////////////////////////////////////////////////////////////////
class DebugCommand : public WifiCommand
{
char *mBuff;
int *mBuffSize;
u32 *mNumRings;
wifi_ring_buffer_status *mStatus;
unsigned int *mSupport;
u32 mVerboseLevel;
u32 mFlags;
u32 mMaxIntervalSec;
u32 mMinDataSize;
char *mRingName;
GetCmdType mType;
public:
// constructor for get version
DebugCommand(wifi_interface_handle iface, char *buffer, int *buffer_size,
GetCmdType cmdType)
: WifiCommand("DebugCommand", iface, 0), mBuff(buffer), mBuffSize(buffer_size), mType
(cmdType)
{
memset(mBuff, 0, *mBuffSize);
}
// constructor for ring data
DebugCommand(wifi_interface_handle iface, char *ring_name, GetCmdType cmdType)
: WifiCommand("DebugCommand", iface, 0), mRingName(ring_name), mType(cmdType)
{ }
// constructor for ring status
DebugCommand(wifi_interface_handle iface, u32 *num_rings,
wifi_ring_buffer_status *status, GetCmdType cmdType)
: WifiCommand("DebugCommand", iface, 0), mNumRings(num_rings), mStatus(status), mType(cmdType)
{
memset(mStatus, 0, sizeof(wifi_ring_buffer_status) * (*mNumRings));
}
// constructor for feature set
DebugCommand(wifi_interface_handle iface, unsigned int *support, GetCmdType cmdType)
: WifiCommand("DebugCommand", iface, 0), mSupport(support), mType(cmdType)
{ }
// constructor for ring params
DebugCommand(wifi_interface_handle iface, u32 verbose_level, u32 flags,
u32 max_interval_sec, u32 min_data_size, char *ring_name, GetCmdType cmdType)
: WifiCommand("DebugCommand", iface, 0), mVerboseLevel(verbose_level), mFlags(flags),
mMaxIntervalSec(max_interval_sec), mMinDataSize(min_data_size),
mRingName(ring_name), mType(cmdType)
{ }
int createRingRequest(WifiRequest& request) {
int result = request.create(GOOGLE_OUI, LOGGER_START_LOGGING);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create start ring logger request; result = %d", result);
return result;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
result = request.put_u32(LOGGER_ATTRIBUTE_LOG_LEVEL, mVerboseLevel);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put log level; result = %d", result);
return result;
}
result = request.put_u32(LOGGER_ATTRIBUTE_RING_FLAGS, mFlags);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put ring flags; result = %d", result);
return result;
}
result = request.put_u32(LOGGER_ATTRIBUTE_LOG_TIME_INTVAL, mMaxIntervalSec);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put log time interval; result = %d", result);
return result;
}
result = request.put_u32(LOGGER_ATTRIBUTE_LOG_MIN_DATA_SIZE, mMinDataSize);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put min data size; result = %d", result);
return result;
}
result = request.put_string(LOGGER_ATTRIBUTE_RING_NAME, mRingName);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put ringbuffer name; result = %d", result);
return result;
}
request.attr_end(data);
return WIFI_SUCCESS;
}
int createRequest(WifiRequest &request) {
int result;
switch (mType) {
case GET_FW_VER:
{
result = request.create(GOOGLE_OUI, LOGGER_GET_VER);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get fw version request; result = %d", result);
return result;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
// Driver expecting only attribute type, passing mbuff as data with
// length 0 to avoid undefined state
result = request.put(LOGGER_ATTRIBUTE_FW_VER, mBuff, 0);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put get fw version request; result = %d", result);
return result;
}
request.attr_end(data);
break;
}
case GET_DRV_VER:
{
result = request.create(GOOGLE_OUI, LOGGER_GET_VER);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get drv version request; result = %d", result);
return result;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
// Driver expecting only attribute type, passing mbuff as data with
// length 0 to avoid undefined state
result = request.put(LOGGER_ATTRIBUTE_DRIVER_VER, mBuff, 0);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put get drv version request; result = %d", result);
return result;
}
request.attr_end(data);
break;
}
case GET_RING_DATA:
{
result = request.create(GOOGLE_OUI, LOGGER_GET_RING_DATA);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get ring data request; result = %d", result);
return result;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
result = request.put_string(LOGGER_ATTRIBUTE_RING_NAME, mRingName);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put ring data request; result = %d", result);
return result;
}
request.attr_end(data);
break;
}
case GET_RING_STATUS:
{
result = request.create(GOOGLE_OUI, LOGGER_GET_RING_STATUS);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get ring status request; result = %d", result);
return result;
}
break;
}
case GET_FEATURE:
{
result = request.create(GOOGLE_OUI, LOGGER_GET_FEATURE);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get feature request; result = %d", result);
return result;
}
break;
}
case START_RING_LOG:
result = createRingRequest(request);
break;
default:
ALOGE("Unknown Debug command");
result = WIFI_ERROR_UNKNOWN;
}
return result;
}
int start() {
// ALOGD("Start debug command");
WifiRequest request(familyId(), ifaceId());
int result = createRequest(request);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create debug request; result = %d", result);
return result;
}
result = requestResponse(request);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to register debug response; result = %d", result);
}
return result;
}
virtual int handleResponse(WifiEvent& reply) {
ALOGD("In DebugCommand::handleResponse");
if (reply.get_cmd() != NL80211_CMD_VENDOR) {
ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
return NL_SKIP;
}
switch (mType) {
case GET_DRV_VER:
case GET_FW_VER:
{
void *data = reply.get_vendor_data();
int len = reply.get_vendor_data_len();
ALOGD("len = %d, expected len = %d", len, *mBuffSize);
memcpy(mBuff, data, min(len, *mBuffSize));
if (*mBuffSize < len)
return NL_SKIP;
*mBuffSize = len;
break;
}
case START_RING_LOG:
case GET_RING_DATA:
break;
case GET_RING_STATUS:
{
nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
int len = reply.get_vendor_data_len();
wifi_ring_buffer_status *status(mStatus);
if (vendor_data == NULL || len == 0) {
ALOGE("No Debug data found");
return NL_SKIP;
}
nl_iterator it(vendor_data);
if (it.get_type() == LOGGER_ATTRIBUTE_RING_NUM) {
unsigned int num_rings = it.get_u32();
if (*mNumRings < num_rings) {
ALOGE("Not enough status buffers provided, available: %d required: %d",
*mNumRings, num_rings);
} else {
*mNumRings = num_rings;
}
} else {
ALOGE("Unknown attribute: %d expecting %d",
it.get_type(), LOGGER_ATTRIBUTE_RING_NUM);
return NL_SKIP;
}
it.next();
for (unsigned int i = 0; it.has_next() && i < *mNumRings; it.next()) {
if (it.get_type() == LOGGER_ATTRIBUTE_RING_STATUS) {
memcpy(status, it.get_data(), sizeof(wifi_ring_buffer_status));
i++;
status++;
} else {
ALOGW("Ignoring invalid attribute type = %d, size = %d",
it.get_type(), it.get_len());
}
}
break;
}
case GET_FEATURE:
{
void *data = reply.get_vendor_data();
int len = reply.get_vendor_data_len();
ALOGD("len = %d, expected len = %d", len, sizeof(unsigned int));
memcpy(mSupport, data, sizeof(unsigned int));
break;
}
default:
ALOGW("Unknown Debug command");
}
return NL_OK;
}
virtual int handleEvent(WifiEvent& event) {
/* NO events! */
return NL_SKIP;
}
};
/* API to collect a firmware version string */
wifi_error wifi_get_firmware_version(wifi_interface_handle iface, char *buffer,
int buffer_size)
{
if (buffer && (buffer_size > 0)) {
DebugCommand *cmd = new DebugCommand(iface, buffer, &buffer_size, GET_FW_VER);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
} else {
ALOGE("FW version buffer NULL");
return WIFI_ERROR_INVALID_ARGS;
}
}
/* API to collect a driver version string */
wifi_error wifi_get_driver_version(wifi_interface_handle iface, char *buffer, int buffer_size)
{
if (buffer && (buffer_size > 0)) {
DebugCommand *cmd = new DebugCommand(iface, buffer, &buffer_size, GET_DRV_VER);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
} else {
ALOGE("Driver version buffer NULL");
return WIFI_ERROR_INVALID_ARGS;
}
}
/* API to collect driver records */
wifi_error wifi_get_ring_data(wifi_interface_handle iface, char *ring_name)
{
DebugCommand *cmd = new DebugCommand(iface, ring_name, GET_RING_DATA);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
}
/* API to get the status of all ring buffers supported by driver */
wifi_error wifi_get_ring_buffers_status(wifi_interface_handle iface,
u32 *num_rings, wifi_ring_buffer_status *status)
{
if (status && num_rings) {
DebugCommand *cmd = new DebugCommand(iface, num_rings, status, GET_RING_STATUS);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
} else {
ALOGE("Ring status buffer NULL");
return WIFI_ERROR_INVALID_ARGS;
}
}
/* API to get supportable feature */
wifi_error wifi_get_logger_supported_feature_set(wifi_interface_handle iface,
unsigned int *support)
{
if (support) {
DebugCommand *cmd = new DebugCommand(iface, support, GET_FEATURE);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
} else {
ALOGE("Get support buffer NULL");
return WIFI_ERROR_INVALID_ARGS;
}
}
wifi_error wifi_start_logging(wifi_interface_handle iface, u32 verbose_level,
u32 flags, u32 max_interval_sec, u32 min_data_size, char *ring_name)
{
if (ring_name) {
DebugCommand *cmd = new DebugCommand(iface, verbose_level, flags, max_interval_sec,
min_data_size, ring_name, START_RING_LOG);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
} else {
ALOGE("Ring name NULL");
return WIFI_ERROR_INVALID_ARGS;
}
}
///////////////////////////////////////////////////////////////////////////////
class SetLogHandler : public WifiCommand
{
wifi_ring_buffer_data_handler mHandler;
public:
SetLogHandler(wifi_interface_handle iface, int id, wifi_ring_buffer_data_handler handler)
: WifiCommand("SetLogHandler", iface, id), mHandler(handler)
{ }
int start() {
ALOGV("Register loghandler");
registerVendorHandler(GOOGLE_OUI, GOOGLE_DEBUG_RING_EVENT);
return WIFI_SUCCESS;
}
virtual int cancel() {
/* Send a command to driver to stop generating logging events */
ALOGV("Clear loghandler");
/* unregister event handler */
unregisterVendorHandler(GOOGLE_OUI, GOOGLE_DEBUG_RING_EVENT);
WifiRequest request(familyId(), ifaceId());
int result = request.create(GOOGLE_OUI, LOGGER_RESET_LOGGING);
if (result != WIFI_SUCCESS) {
ALOGE("failed to create reset request; result = %d", result);
return result;
}
result = requestResponse(request);
if (result != WIFI_SUCCESS) {
ALOGE("failed to request reset; result = %d", result);
return result;
}
ALOGD("Success to clear loghandler");
return WIFI_SUCCESS;
}
virtual int handleEvent(WifiEvent& event) {
char *buffer = NULL;
int buffer_size = 0;
// ALOGD("In SetLogHandler::handleEvent");
nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
int len = event.get_vendor_data_len();
int event_id = event.get_vendor_subcmd();
// ALOGI("Got Logger event: %d", event_id);
if (vendor_data == NULL || len == 0) {
ALOGE("No Debug data found");
return NL_SKIP;
}
if(event_id == GOOGLE_DEBUG_RING_EVENT) {
wifi_ring_buffer_status status;
memset(&status, 0, sizeof(status));
for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
if (it.get_type() == LOGGER_ATTRIBUTE_RING_STATUS) {
memcpy(&status, it.get_data(), sizeof(status));
} else if (it.get_type() == LOGGER_ATTRIBUTE_RING_DATA) {
buffer_size = it.get_len();
buffer = (char *)it.get_data();
} else {
ALOGW("Ignoring invalid attribute type = %d, size = %d",
it.get_type(), it.get_len());
}
}
// ALOGI("Retrieved Debug data");
if (mHandler.on_ring_buffer_data) {
(*mHandler.on_ring_buffer_data)((char *)status.name, buffer, buffer_size,
&status);
}
} else {
ALOGE("Unknown Event");
return NL_SKIP;
}
return NL_OK;
}
};
wifi_error wifi_set_log_handler(wifi_request_id id, wifi_interface_handle iface,
wifi_ring_buffer_data_handler handler)
{
wifi_handle handle = getWifiHandle(iface);
ALOGV("Loghandler start, handle = %p", handle);
SetLogHandler *cmd = new SetLogHandler(iface, id, handler);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = wifi_register_cmd(handle, id, cmd);
if (result != WIFI_SUCCESS) {
cmd->releaseRef();
return result;
}
result = (wifi_error)cmd->start();
if (result != WIFI_SUCCESS) {
wifi_unregister_cmd(handle, id);
cmd->releaseRef();
return result;
}
return result;
}
wifi_error wifi_reset_log_handler(wifi_request_id id, wifi_interface_handle iface)
{
wifi_handle handle = getWifiHandle(iface);
ALOGV("Loghandler reset, wifi_request_id = %d, handle = %p", id, handle);
if (id == -1) {
wifi_ring_buffer_data_handler handler;
memset(&handler, 0, sizeof(handler));
SetLogHandler *cmd = new SetLogHandler(iface, id, handler);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
cmd->cancel();
cmd->releaseRef();
return WIFI_SUCCESS;
}
return wifi_cancel_cmd(id, iface);
}
///////////////////////////////////////////////////////////////////////////////
class SetAlertHandler : public WifiCommand
{
wifi_alert_handler mHandler;
int mBuffSize;
char *mBuff;
int mErrCode;
public:
SetAlertHandler(wifi_interface_handle iface, int id, wifi_alert_handler handler)
: WifiCommand("SetAlertHandler", iface, id), mHandler(handler), mBuffSize(0), mBuff(NULL),
mErrCode(0)
{ }
int start() {
ALOGV("Start Alerting");
registerVendorHandler(GOOGLE_OUI, GOOGLE_DEBUG_MEM_DUMP_EVENT);
return WIFI_SUCCESS;
}
virtual int cancel() {
ALOGV("Clear alerthandler");
/* unregister alert handler */
unregisterVendorHandler(GOOGLE_OUI, GOOGLE_DEBUG_MEM_DUMP_EVENT);
wifi_unregister_cmd(wifiHandle(), id());
ALOGD("Success to clear alerthandler");
return WIFI_SUCCESS;
}
virtual int handleResponse(WifiEvent& reply) {
ALOGD("In SetAlertHandler::handleResponse");
if (reply.get_cmd() != NL80211_CMD_VENDOR) {
ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
return NL_SKIP;
}
nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
int len = reply.get_vendor_data_len();
ALOGD("len = %d", len);
if (vendor_data == NULL || len == 0) {
ALOGE("no vendor data in memory dump response; ignoring it");
return NL_SKIP;
}
for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_DATA) {
ALOGI("Initiating alert callback");
if (mHandler.on_alert) {
(*mHandler.on_alert)(id(), mBuff, mBuffSize, mErrCode);
}
if (mBuff) {
free(mBuff);
mBuff = NULL;
}
}
}
return NL_OK;
}
virtual int handleEvent(WifiEvent& event) {
wifi_ring_buffer_id ring_id;
char *buffer = NULL;
int buffer_size = 0;
nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
int len = event.get_vendor_data_len();
int event_id = event.get_vendor_subcmd();
ALOGI("Got event: %d", event_id);
if (vendor_data == NULL || len == 0) {
ALOGE("No Debug data found");
return NL_SKIP;
}
if (event_id == GOOGLE_DEBUG_MEM_DUMP_EVENT) {
for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_LEN) {
mBuffSize = it.get_u32();
} else if (it.get_type() == LOGGER_ATTRIBUTE_RING_DATA) {
buffer_size = it.get_len();
buffer = (char *)it.get_data();
/*
} else if (it.get_type() == LOGGER_ATTRIBUTE_FW_ERR_CODE) {
mErrCode = it.get_u32();
*/
} else {
ALOGW("Ignoring invalid attribute type = %d, size = %d",
it.get_type(), it.get_len());
}
}
if (mBuffSize) {
ALOGD("dump size: %d meta data size: %d", mBuffSize, buffer_size);
if (mBuff) free(mBuff);
mBuff = (char *)malloc(mBuffSize + buffer_size);
if (!mBuff) {
ALOGE("Buffer allocation failed");
return NL_SKIP;
}
memcpy(mBuff, buffer, buffer_size);
WifiRequest request(familyId(), ifaceId());
int result = request.create(GOOGLE_OUI, LOGGER_GET_MEM_DUMP);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get memory dump request; result = %d", result);
free(mBuff);
return NL_SKIP;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
result = request.put_u32(LOGGER_ATTRIBUTE_FW_DUMP_LEN, mBuffSize);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put get memory dump request; result = %d", result);
return result;
}
result = request.put_u64(LOGGER_ATTRIBUTE_FW_DUMP_DATA,
(uint64_t)(mBuff+buffer_size));
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put get memory dump request; result = %d", result);
return result;
}
request.attr_end(data);
mBuffSize += buffer_size;
result = requestResponse(request);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to register get momory dump response; result = %d", result);
}
} else {
ALOGE("dump event missing dump length attribute");
return NL_SKIP;
}
}
return NL_OK;
}
};
wifi_error wifi_set_alert_handler(wifi_request_id id, wifi_interface_handle iface,
wifi_alert_handler handler)
{
wifi_handle handle = getWifiHandle(iface);
ALOGV("Alerthandler start, handle = %p", handle);
SetAlertHandler *cmd = new SetAlertHandler(iface, id, handler);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = wifi_register_cmd(handle, id, cmd);
if (result != WIFI_SUCCESS) {
cmd->releaseRef();
return result;
}
result = (wifi_error)cmd->start();
if (result != WIFI_SUCCESS) {
wifi_unregister_cmd(handle, id);
cmd->releaseRef();
return result;
}
return result;
}
wifi_error wifi_reset_alert_handler(wifi_request_id id, wifi_interface_handle iface)
{
wifi_handle handle = getWifiHandle(iface);
ALOGV("Alerthandler reset, wifi_request_id = %d, handle = %p", id, handle);
if (id == -1) {
wifi_alert_handler handler;
memset(&handler, 0, sizeof(handler));
SetAlertHandler *cmd = new SetAlertHandler(iface, id, handler);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
cmd->cancel();
cmd->releaseRef();
return WIFI_SUCCESS;
}
return wifi_cancel_cmd(id, iface);
}
///////////////////////////////////////////////////////////////////////////////
class MemoryDumpCommand: public WifiCommand
{
wifi_firmware_memory_dump_handler mHandler;
int mBuffSize;
char *mBuff;
public:
MemoryDumpCommand(wifi_interface_handle iface, wifi_firmware_memory_dump_handler handler)
: WifiCommand("MemoryDumpCommand", iface, 0), mHandler(handler), mBuffSize(0), mBuff(NULL)
{ }
int start() {
ALOGD("Start memory dump command");
WifiRequest request(familyId(), ifaceId());
int result = request.create(GOOGLE_OUI, LOGGER_TRIGGER_MEM_DUMP);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create trigger fw memory dump request; result = %d", result);
return result;
}
result = requestResponse(request);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to register trigger memory dump response; result = %d", result);
}
return result;
}
virtual int handleResponse(WifiEvent& reply) {
ALOGD("In MemoryDumpCommand::handleResponse");
if (reply.get_cmd() != NL80211_CMD_VENDOR) {
ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
return NL_SKIP;
}
nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
int len = reply.get_vendor_data_len();
ALOGD("len = %d", len);
if (vendor_data == NULL || len == 0) {
ALOGE("no vendor data in memory dump response; ignoring it");
return NL_SKIP;
}
for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_LEN) {
mBuffSize = it.get_u32();
if (mBuff)
free(mBuff);
mBuff = (char *)malloc(mBuffSize);
if (!mBuff) {
ALOGE("Buffer allocation failed");
return NL_SKIP;
}
WifiRequest request(familyId(), ifaceId());
int result = request.create(GOOGLE_OUI, LOGGER_GET_MEM_DUMP);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to create get memory dump request; result = %d", result);
free(mBuff);
return NL_SKIP;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
result = request.put_u32(LOGGER_ATTRIBUTE_FW_DUMP_LEN, mBuffSize);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put get memory dump request; result = %d", result);
return result;
}
result = request.put_u64(LOGGER_ATTRIBUTE_FW_DUMP_DATA, (uint64_t)mBuff);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to put get memory dump request; result = %d", result);
return result;
}
request.attr_end(data);
result = requestResponse(request);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to register get momory dump response; result = %d", result);
}
} else if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_DATA) {
ALOGI("Initiating memory dump callback");
if (mHandler.on_firmware_memory_dump) {
(*mHandler.on_firmware_memory_dump)(mBuff, mBuffSize);
}
if (mBuff) {
free(mBuff);
mBuff = NULL;
}
} else {
ALOGW("Ignoring invalid attribute type = %d, size = %d",
it.get_type(), it.get_len());
}
}
return NL_OK;
}
virtual int handleEvent(WifiEvent& event) {
/* NO events! */
return NL_SKIP;
}
};
/* API to collect a firmware memory dump for a given iface */
wifi_error wifi_get_firmware_memory_dump( wifi_interface_handle iface,
wifi_firmware_memory_dump_handler handler)
{
MemoryDumpCommand *cmd = new MemoryDumpCommand(iface, handler);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
}
class PacketFateCommand: public WifiCommand
{
void *mReportBufs;
size_t mNoReqFates;
size_t *mNoProvidedFates;
PktFateReqType mReqType;
public:
PacketFateCommand(wifi_interface_handle handle)
: WifiCommand("PacketFateCommand", handle, 0), mReqType(PACKET_MONITOR_START)
{ }
PacketFateCommand(wifi_interface_handle handle, wifi_tx_report *tx_report_bufs,
size_t n_requested_fates, size_t *n_provided_fates)
: WifiCommand("PacketFateCommand", handle, 0), mReportBufs(tx_report_bufs),
mNoReqFates(n_requested_fates), mNoProvidedFates(n_provided_fates),
mReqType(TX_PACKET_FATE)
{ }
PacketFateCommand(wifi_interface_handle handle, wifi_rx_report *rx_report_bufs,
size_t n_requested_fates, size_t *n_provided_fates)
: WifiCommand("PacketFateCommand", handle, 0), mReportBufs(rx_report_bufs),
mNoReqFates(n_requested_fates), mNoProvidedFates(n_provided_fates),
mReqType(RX_PACKET_FATE)
{ }
int createRequest(WifiRequest& request) {
if (mReqType == TX_PACKET_FATE) {
ALOGD("%s Get Tx packet fate request\n", __FUNCTION__);
return createTxPktFateRequest(request);
} else if (mReqType == RX_PACKET_FATE) {
ALOGD("%s Get Rx packet fate request\n", __FUNCTION__);
return createRxPktFateRequest(request);
} else if (mReqType == PACKET_MONITOR_START) {
ALOGD("%s Monitor packet fate request\n", __FUNCTION__);
return createMonitorPktFateRequest(request);
} else {
ALOGE("%s Unknown packet fate request\n", __FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
return WIFI_SUCCESS;
}
int createMonitorPktFateRequest(WifiRequest& request) {
int result = request.create(GOOGLE_OUI, LOGGER_START_PKT_FATE_MONITORING);
if (result < 0) {
return result;
}
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
request.attr_end(data);
return result;
}
int createTxPktFateRequest(WifiRequest& request) {
int result = request.create(GOOGLE_OUI, LOGGER_GET_TX_PKT_FATES);
if (result < 0) {
return result;
}
memset(mReportBufs, 0, (mNoReqFates * sizeof(wifi_tx_report)));
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
result = request.put_u32(LOGGER_ATTRIBUTE_PKT_FATE_NUM, mNoReqFates);
if (result < 0) {
return result;
}
result = request.put_u64(LOGGER_ATTRIBUTE_PKT_FATE_DATA, (uint64_t)mReportBufs);
if (result < 0) {
return result;
}
request.attr_end(data);
return result;
}
int createRxPktFateRequest(WifiRequest& request) {
int result = request.create(GOOGLE_OUI, LOGGER_GET_RX_PKT_FATES);
if (result < 0) {
return result;
}
memset(mReportBufs, 0, (mNoReqFates * sizeof(wifi_rx_report)));
nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
result = request.put_u32(LOGGER_ATTRIBUTE_PKT_FATE_NUM, mNoReqFates);
if (result < 0) {
return result;
}
result = request.put_u64(LOGGER_ATTRIBUTE_PKT_FATE_DATA, (uint64_t)mReportBufs);
if (result < 0) {
return result;
}
request.attr_end(data);
return result;
}
int start() {
ALOGD("Start get packet fate command\n");
WifiRequest request(familyId(), ifaceId());
int result = createRequest(request);
if (result < 0) {
ALOGE("Failed to create get pkt fate request; result = %d\n", result);
return result;
}
result = requestResponse(request);
if (result != WIFI_SUCCESS) {
ALOGE("Failed to register get pkt fate response; result = %d\n", result);
}
return result;
}
int handleResponse(WifiEvent& reply) {
ALOGD("In GetPktFateCommand::handleResponse\n");
if (reply.get_cmd() != NL80211_CMD_VENDOR) {
ALOGI("Ignoring reply with cmd = %d", reply.get_cmd());
return NL_SKIP;
}
int id = reply.get_vendor_id();
int subcmd = reply.get_vendor_subcmd();
nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
int len = reply.get_vendor_data_len();
ALOGI("Id = %0x, subcmd = %d, len = %d", id, subcmd, len);
if (mReqType == TX_PACKET_FATE) {
ALOGI("Response recieved for get TX pkt fate command\n");
} else if (mReqType == RX_PACKET_FATE) {
ALOGI("Response recieved for get RX pkt fate command\n");
} else if (mReqType == PACKET_MONITOR_START) {
ALOGI("Response recieved for monitor pkt fate command\n");
return NL_OK;
} else {
ALOGE("Response recieved for unknown pkt fate command\n");
return NL_SKIP;
}
if (vendor_data == NULL || len == 0) {
ALOGE("no vendor data in GetPktFateCommand response; ignoring it\n");
return NL_SKIP;
}
for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
if (it.get_type() == LOGGER_ATTRIBUTE_PKT_FATE_NUM) {
*mNoProvidedFates = it.get_u32();
ALOGI("No: of pkt fates provided is %d\n", *mNoProvidedFates);
} else {
ALOGE("Ignoring invalid attribute type = %d, size = %d\n",
it.get_type(), it.get_len());
}
}
return NL_OK;
}
int handleEvent(WifiEvent& event) {
/* NO events to handle here! */
return NL_SKIP;
}
};
wifi_error wifi_start_pkt_fate_monitoring(wifi_interface_handle handle)
{
PacketFateCommand *cmd = new PacketFateCommand(handle);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
}
wifi_error wifi_get_tx_pkt_fates(wifi_interface_handle handle,
wifi_tx_report *tx_report_bufs, size_t n_requested_fates,
size_t *n_provided_fates)
{
PacketFateCommand *cmd = new PacketFateCommand(handle, tx_report_bufs,
n_requested_fates, n_provided_fates);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
}
wifi_error wifi_get_rx_pkt_fates(wifi_interface_handle handle,
wifi_rx_report *rx_report_bufs, size_t n_requested_fates,
size_t *n_provided_fates)
{
PacketFateCommand *cmd = new PacketFateCommand(handle, rx_report_bufs,
n_requested_fates, n_provided_fates);
NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY);
wifi_error result = (wifi_error)cmd->start();
cmd->releaseRef();
return result;
}