| /* |
| * 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; |
| } |
