140 lines
4.5 KiB
C++
140 lines
4.5 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Portions copyright (C) 2017 Broadcom Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <netlink/genl/genl.h>
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#include <netlink/genl/family.h>
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#include <netlink/genl/ctrl.h>
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#include <linux/rtnetlink.h>
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#include <netpacket/packet.h>
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#include <linux/filter.h>
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#include <linux/errqueue.h>
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#include <linux/pkt_sched.h>
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#include <netlink/object-api.h>
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#include <netlink/netlink.h>
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#include <netlink/socket.h>
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#include <netlink/handlers.h>
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#include "sync.h"
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#define LOG_TAG "WifiHAL"
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#include <log/log.h>
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#include "wifi_hal.h"
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#include "common.h"
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#include "cpp_bindings.h"
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enum {
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LSTATS_SUBCMD_GET_INFO = ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START,
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};
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class GetLinkStatsCommand : public WifiCommand
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{
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wifi_stats_result_handler mHandler;
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public:
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GetLinkStatsCommand(wifi_interface_handle iface, wifi_stats_result_handler handler)
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: WifiCommand("GetLinkStatsCommand", iface, 0), mHandler(handler)
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{ }
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virtual int create() {
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// ALOGI("Creating message to get link statistics; iface = %d", mIfaceInfo->id);
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int ret = mMsg.create(GOOGLE_OUI, LSTATS_SUBCMD_GET_INFO);
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if (ret < 0) {
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ALOGE("Failed to create %x - %d", LSTATS_SUBCMD_GET_INFO, ret);
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return ret;
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}
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return ret;
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}
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protected:
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virtual int handleResponse(WifiEvent& reply) {
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// ALOGI("In GetLinkStatsCommand::handleResponse");
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if (reply.get_cmd() != NL80211_CMD_VENDOR) {
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ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
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return NL_SKIP;
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}
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int id = reply.get_vendor_id();
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int subcmd = reply.get_vendor_subcmd();
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// ALOGI("Id = %0x, subcmd = %d", id, subcmd);
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void *data = reply.get_vendor_data();
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int len = reply.get_vendor_data_len();
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wifi_radio_stat *radio_stat = (wifi_radio_stat *)data;
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if (!radio_stat) {
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ALOGE("Invalid stats pointer received");
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return NL_SKIP;
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}
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radio_stat->tx_time_per_levels = (u32*)((char*)data + sizeof(wifi_radio_stat) + sizeof(wifi_iface_stat));
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if (radio_stat->num_channels > 11) {
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ALOGE("Incorrect number of channels = %d", radio_stat->num_channels);
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// dump data before num_channels
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ALOGE("radio: = %d", radio_stat->radio);
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ALOGE("on_time: = %d", radio_stat->on_time);
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ALOGE("tx_time: = %d", radio_stat->tx_time);
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ALOGE("rx_time: = %d", radio_stat->rx_time);
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ALOGE("on_time_scan: = %d", radio_stat->on_time_scan);
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ALOGE("on_time_nbd: = %d", radio_stat->on_time_nbd);
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ALOGE("on_time_gscan: = %d", radio_stat->on_time_gscan);
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ALOGE("on_time_pno_scan: = %d", radio_stat->on_time_pno_scan);
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ALOGE("on_time_hs20: = %d", radio_stat->on_time_hs20);
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return NL_SKIP;
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}
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wifi_iface_stat *iface_stat = (wifi_iface_stat *)((char* )data + sizeof(wifi_radio_stat));
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if(*mHandler.on_link_stats_results == NULL) {
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ALOGE("*mHandler.on_link_stats_results is NULL");
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} else {
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(*mHandler.on_link_stats_results)(id, iface_stat, 1, radio_stat);
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}
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return NL_OK;
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}
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};
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wifi_error wifi_get_link_stats(wifi_request_id id,
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wifi_interface_handle iface, wifi_stats_result_handler handler)
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{
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GetLinkStatsCommand command(iface, handler);
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return (wifi_error) command.requestResponse();
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}
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wifi_error wifi_set_link_stats(
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wifi_interface_handle /* iface */, wifi_link_layer_params /* params */)
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{
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/* Return success here since bcom HAL does not need set link stats. */
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return WIFI_SUCCESS;
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}
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wifi_error wifi_clear_link_stats(
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wifi_interface_handle /* iface */, u32 /* stats_clear_req_mask */,
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u32 * /* stats_clear_rsp_mask */, u8 /* stop_req */, u8 * /* stop_rsp */)
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{
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/* Return success here since bcom HAL does not support clear link stats. */
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return WIFI_SUCCESS;
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}
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