--- /dev/null
+#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/handlers.h>
+
+#include "sync.h"
+
+#include <utils/Log.h>
+
+#include "wifi_hal.h"
+#include "common.h"
+#include "cpp_bindings.h"
+
+typedef enum {
+
+ LSTATS_ATTRIBUTE_SET_MPDU_SIZE_THRESHOLD = 1,
+ LSTATS_ATTRIBUTE_SET_AGGR_STATISTICS_GATHERING,
+ LSTATS_ATTRIBUTE_CLEAR_STOP_REQUEST_MASK,
+ LSTATS_ATTRIBUTE_CLEAR_STOP_REQUEST,
+
+ LSTATS_ATTRIBUTE_MAX
+
+} LSTATS_ATTRIBUTE;
+
+class LinkLayerStatsCommand : public WifiCommand
+{
+ wifi_link_layer_params mParams;
+ u32 mStatsClearReqMask;
+ u32 *mStatsClearRspMask;
+ u8 mStopReq;
+ u8 *mStopRsp;
+public:
+ LinkLayerStatsCommand(wifi_interface_handle handle, wifi_link_layer_params params)
+ : WifiCommand(handle, 0), mParams(params)
+ {
+ mStatsClearReqMask = 0;
+ mStatsClearRspMask = 0;
+ mStopReq = 0 ;
+ mStopRsp = NULL;
+
+ }
+
+ LinkLayerStatsCommand(wifi_interface_handle handle,
+ u32 stats_clear_req_mask, u32 *stats_clear_rsp_mask, u8 stop_req, u8 *stop_rsp)
+ : WifiCommand(handle, 0), mStatsClearReqMask(stats_clear_req_mask), mStatsClearRspMask(stats_clear_rsp_mask),
+ mStopReq(stop_req), mStopRsp(stop_rsp)
+ {
+ memset(&mParams,0,sizeof(wifi_link_layer_params));
+ }
+
+ int createSetRequest(WifiRequest& request) {
+ int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_LLS_SET_INFO);
+ if (result < 0) {
+ return result;
+ }
+
+ nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
+
+ result = request.put_u32(LSTATS_ATTRIBUTE_SET_MPDU_SIZE_THRESHOLD, mParams.mpdu_size_threshold);
+ if (result < 0) {
+ return result;
+ }
+
+ result = request.put_u32(LSTATS_ATTRIBUTE_SET_AGGR_STATISTICS_GATHERING, mParams.aggressive_statistics_gathering);
+ if (result < 0) {
+ return result;
+ }
+ request.attr_end(data);
+ return result;
+ }
+
+ int createClearRequest(WifiRequest& request) {
+ int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_LLS_CLEAR_INFO);
+ if (result < 0) {
+ return result;
+ }
+ nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
+
+ result = request.put_u32(LSTATS_ATTRIBUTE_CLEAR_STOP_REQUEST_MASK, mStatsClearReqMask);
+ if (result < 0) {
+ return result;
+ }
+
+ result = request.put_u32(LSTATS_ATTRIBUTE_CLEAR_STOP_REQUEST, mStopReq);
+ if (result < 0) {
+ return result;
+ }
+ request.attr_end(data);
+ return result;
+ }
+
+ int start() {
+ ALOGD("Starting Link Layer Statistics measurement (%d, %d)", mParams.mpdu_size_threshold, mParams.aggressive_statistics_gathering);
+ WifiRequest request(familyId(), ifaceId());
+ int result = createSetRequest(request);
+ if (result < 0) {
+ ALOGE("failed to set Link Layer Statistics (result:%d)", result);
+ return result;
+ }
+
+ result = requestResponse(request);
+ if (result < 0) {
+ ALOGE("failed to Set Link Layer Statistics (result:%d)", result);
+ return result;
+ }
+
+ return result;
+ }
+
+ virtual int clear() {
+ ALOGD("Clearing Link Layer Statistics (%d, %d)", mStatsClearReqMask, mStopReq);
+ WifiRequest request(familyId(), ifaceId());
+ int result = createClearRequest(request);
+ if (result < 0) {
+ ALOGE("failed to clear Link Layer Statistics (result:%d)", result);
+ return result;
+ }
+
+ result = requestResponse(request);
+ if (result < 0) {
+ ALOGE("failed to clear Link Layer Statistics (result:%d)", result);
+ return result;
+ }
+
+ return result;
+ }
+
+ virtual int handleResponse(WifiEvent& reply) {
+ /* Nothing to do on response! */
+ return NL_SKIP;
+ }
+};
+
+
+wifi_error wifi_set_link_stats(wifi_interface_handle iface, wifi_link_layer_params params)
+{
+ LinkLayerStatsCommand *command = new LinkLayerStatsCommand(iface, params);
+ wifi_error result = (wifi_error)command->start();
+ if (result != WIFI_SUCCESS) {
+ ALOGE("failed to Set link layer stats (result:%d)", result);
+ }
+ return result;
+}
+
+wifi_error wifi_clear_link_stats(wifi_interface_handle iface,
+ u32 stats_clear_req_mask, u32 *stats_clear_rsp_mask, u8 stop_req, u8 *stop_rsp)
+{
+ LinkLayerStatsCommand *command = new LinkLayerStatsCommand(iface, stats_clear_req_mask, stats_clear_rsp_mask, stop_req, stop_rsp);
+ wifi_error result = (wifi_error)command->clear();
+ if (result != WIFI_SUCCESS) {
+ ALOGE("failed to Clear link layer stats (result:%d)", result);
+ *stats_clear_rsp_mask = 0;
+ *stop_rsp = 0;
+ } else {
+ *stats_clear_rsp_mask = stats_clear_req_mask;
+ *stop_rsp = stop_req;
+ }
+ return result;
+}
+
+
+class GetLinkStatsCommand : public WifiCommand
+{
+ wifi_stats_result_handler mHandler;
+ wifi_interface_handle iface;
+public:
+ GetLinkStatsCommand(wifi_interface_handle iface, wifi_stats_result_handler handler)
+ : WifiCommand(iface, 0), mHandler(handler)
+ {
+ this->iface = iface;
+ }
+
+ virtual int create() {
+ int ret = mMsg.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_LLS_GET_INFO);
+ if (ret < 0) {
+ ALOGE("Failed to create %x - %d", SLSI_NL80211_VENDOR_SUBCMD_LLS_GET_INFO, ret);
+ return ret;
+ }
+
+ return ret;
+ }
+
+protected:
+ virtual int handleResponse(WifiEvent& reply) {
+ if (reply.get_cmd() != NL80211_CMD_VENDOR) {
+ ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
+ return NL_SKIP;
+ }
+ int id = reply.get_vendor_id();
+ u8 *data = (u8 *)reply.get_vendor_data();
+ int num_radios = 0, i = 0;
+ num_radios = data[0];
+ data += sizeof(data[0]);
+
+ // assuming max peers is 16
+ wifi_iface_stat *iface_stat = (wifi_iface_stat *) malloc(sizeof(wifi_iface_stat) + sizeof(wifi_peer_info) * 16);
+ if (!iface_stat) {
+ ALOGE("Memory alloc failed for iface_stat in response handler!!!");
+ return NL_SKIP;
+ }
+
+ // max channel is 39 (14 2.4GHz and 25 5GHz)
+ wifi_radio_stat *radio_stat = (wifi_radio_stat *) malloc((num_radios * sizeof(wifi_radio_stat)) + sizeof(wifi_channel_stat) * 39);
+ wifi_radio_stat *radio_stat2;
+ radio_stat2 = radio_stat;
+ if (!radio_stat) {
+ ALOGE("Memory alloc failed for radio_stat in response handler!!!");
+ free(iface_stat);
+ return NL_SKIP;
+ }
+
+ /* Data sent from driver does not contain num_tx_levels and tx_time per level. So copy
+ * radio data in two parts - 1st part until num_tx_levels and 2nd part from rx_time.
+ * channel data is copied separately
+ */
+ int radio_data_len1,radio_data_len2;
+ radio_data_len1 = (u8 *)&(radio_stat->num_tx_levels) - (u8*)radio_stat;
+ radio_data_len2 = (u8 *)(radio_stat->channels) - (u8*)&(radio_stat->rx_time);
+
+ //kernel is 64 bit. if userspace is 64 bit, typecastting buffer works else, make corrections
+ if (sizeof(iface_stat->iface) == 8) {
+ memcpy(iface_stat, data, sizeof(wifi_iface_stat) + sizeof(wifi_peer_info) * ((wifi_iface_stat *)data)->num_peers);
+ data += sizeof(wifi_iface_stat) + sizeof(wifi_peer_info) * ((wifi_iface_stat *)data)->num_peers;
+ } else {
+ /* for 64 bit kernel ad 32 bit user space, there is 4 byte extra at the begining and another 4 byte pad after 80 bytes
+ * so remove first 4 and 81-84 bytes from NL buffer.*/
+ data += 4;
+ memcpy(iface_stat, data, 80);
+ data += 80 + 4; //for allignment skip 4 bytes
+ memcpy(((u8 *)iface_stat) + 80, data, sizeof(wifi_iface_stat) - 80);
+ data += sizeof(wifi_iface_stat) - 80;
+ memcpy(iface_stat->peer_info, data, sizeof(wifi_peer_info) * iface_stat->num_peers);
+ data += sizeof(wifi_peer_info) * iface_stat->num_peers;
+ }
+ for (i = 0; i < num_radios; i++) {
+ memcpy(radio_stat2, data, radio_data_len1);
+ data += radio_data_len1;
+ memcpy(&radio_stat2->rx_time, data, radio_data_len2);
+ data += radio_data_len2;
+ memcpy(radio_stat2->channels, data, sizeof(wifi_channel_stat)* radio_stat2->num_channels);
+ radio_stat2->num_tx_levels = 0;
+ radio_stat2->tx_time_per_levels = NULL;
+ data += sizeof(wifi_channel_stat)* radio_stat2->num_channels;
+ radio_stat2=(wifi_radio_stat *) ((u8 *)radio_stat2+ sizeof(wifi_radio_stat) +
+ (sizeof(wifi_channel_stat) * radio_stat2->num_channels ));
+ }
+ iface_stat->iface = iface;
+ (*mHandler.on_link_stats_results)(id, iface_stat, num_radios, radio_stat);
+ free(iface_stat);
+ free(radio_stat);
+ return NL_OK;
+ }
+};
+
+wifi_error wifi_get_link_stats(wifi_request_id id,
+ wifi_interface_handle iface, wifi_stats_result_handler handler)
+{
+ GetLinkStatsCommand command(iface, handler);
+ return (wifi_error) command.requestResponse();
+}
+
+
projects / GitHub / MotorolaMobilityLLC / hardware-samsung_slsi-scsc_wifibt-wifi_hal.git / blobdiff