}
/////////////////////////////////////////////////////////////////////////////
-
-class BssidHotlistCommand : public WifiCommand
-{
-private:
- wifi_bssid_hotlist_params mParams;
- wifi_hotlist_ap_found_handler mHandler;
- static const int MAX_RESULTS = 64;
- wifi_scan_result mResults[MAX_RESULTS];
-public:
- BssidHotlistCommand(wifi_interface_handle handle, int id,
- wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler)
- : WifiCommand(handle, id), mParams(params), mHandler(handler)
- {
- memset(mResults, 0, sizeof(mResults));
- }
-
- int createSetupRequest(WifiRequest& request) {
- int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_HOTLIST);
- if (result < 0) {
- return result;
- }
-
- nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
-
- result = request.put_u32(GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, mParams.lost_ap_sample_size);
- if (result < 0) {
- return result;
- }
-
- struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_BSSIDS);
- for (int i = 0; i < mParams.num_bssid; i++) {
- nlattr *attr2 = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_ELEM);
- if (attr2 == NULL) {
- return WIFI_ERROR_OUT_OF_MEMORY;
- }
- result = request.put_addr(GSCAN_ATTRIBUTE_BSSID, mParams.ap[i].bssid);
- if (result < 0) {
- return result;
- }
- result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_HIGH, mParams.ap[i].high);
- if (result < 0) {
- return result;
- }
- result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_LOW, mParams.ap[i].low);
- if (result < 0) {
- return result;
- }
- request.attr_end(attr2);
- }
-
- request.attr_end(attr);
- request.attr_end(data);
- return result;
- }
-
- int createTeardownRequest(WifiRequest& request) {
- int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RESET_BSSID_HOTLIST);
- if (result < 0) {
- return result;
- }
-
- return result;
- }
-
- int start() {
- WifiRequest request(familyId(), ifaceId());
- int result = createSetupRequest(request);
- if (result < 0) {
- return result;
- }
-
- result = requestResponse(request);
- if (result < 0) {
- ALOGE("Failed to execute hotlist setup request, result = %d", result);
- unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_FOUND);
- unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_LOST);
- return result;
- }
-
- registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_FOUND);
- registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_LOST);
-
- return result;
- }
-
- virtual int cancel() {
- /* unregister event handler */
- unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_FOUND);
- unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS_LOST);
- /* create set hotlist message with empty hotlist */
- WifiRequest request(familyId(), ifaceId());
- int result = createTeardownRequest(request);
- if (result < 0) {
- return result;
- }
-
- result = requestResponse(request);
- if (result < 0) {
- return result;
- }
-
- return result;
- }
-
- virtual int handleResponse(WifiEvent& reply) {
- /* Nothing to do on response! */
- return NL_SKIP;
- }
-
- virtual int handleEvent(WifiEvent& event) {
- int event_id = event.get_vendor_subcmd();
- //event.log();
-
- nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
- int len = event.get_vendor_data_len();
-
- if (vendor_data == NULL || len == 0) {
- ALOGE("No scan results found");
- return NL_SKIP;
- }
-
-
- int num = len / sizeof(wifi_scan_result);
- num = min(MAX_RESULTS, num);
- memcpy(mResults, event.get_vendor_data(), num * sizeof(wifi_scan_result));
-
- if (event_id == GSCAN_EVENT_HOTLIST_RESULTS_FOUND) {
- ALOGD("FOUND %d hotlist APs", num);
- if (*mHandler.on_hotlist_ap_found)
- (*mHandler.on_hotlist_ap_found)(id(), num, mResults);
- } else if (event_id == GSCAN_EVENT_HOTLIST_RESULTS_LOST) {
- ALOGD("LOST %d hotlist APs", num);
- if (*mHandler.on_hotlist_ap_lost)
- (*mHandler.on_hotlist_ap_lost)(id(), num, mResults);
- }
- return NL_SKIP;
- }
-};
-
-wifi_error wifi_set_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface,
- wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler)
-{
- wifi_handle handle = getWifiHandle(iface);
-
- BssidHotlistCommand *cmd = new BssidHotlistCommand(iface, id, params, handler);
- wifi_register_cmd(handle, id, cmd);
- return (wifi_error)cmd->start();
-}
-
-wifi_error wifi_reset_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface)
-{
- wifi_handle handle = getWifiHandle(iface);
-
- WifiCommand *cmd = wifi_unregister_cmd(handle, id);
- if (cmd) {
- cmd->cancel();
- cmd->releaseRef();
- return WIFI_SUCCESS;
- }
-
- return WIFI_ERROR_INVALID_ARGS;
-}
-
-
-/////////////////////////////////////////////////////////////////////////////
-
-class SignificantWifiChangeCommand : public WifiCommand
-{
- typedef struct {
- mac_addr bssid; // BSSID
- wifi_channel channel; // channel frequency in MHz
- int num_rssi; // number of rssi samples
- wifi_rssi rssi[8]; // RSSI history in db
- } wifi_significant_change_result_internal;
-
-private:
- wifi_significant_change_params mParams;
- wifi_significant_change_handler mHandler;
- static const int MAX_RESULTS = 64;
- wifi_significant_change_result_internal mResultsBuffer[MAX_RESULTS];
- wifi_significant_change_result *mResults[MAX_RESULTS];
-public:
- SignificantWifiChangeCommand(wifi_interface_handle handle, int id,
- wifi_significant_change_params params, wifi_significant_change_handler handler)
- : WifiCommand(handle, id), mParams(params), mHandler(handler)
- {
- memset(mResultsBuffer,0,sizeof(mResultsBuffer));
- memset(mResults,0,sizeof(mResults));
- }
-
- int createSetupRequest(WifiRequest& request) {
- int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_SET_SIGNIFICANT_CHANGE);
- if (result < 0) {
- return result;
- }
-
- nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
-
- result = request.put_u16(GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE, mParams.rssi_sample_size);
- if (result < 0) {
- return result;
- }
- result = request.put_u16(GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, mParams.lost_ap_sample_size);
- if (result < 0) {
- return result;
- }
- result = request.put_u16(GSCAN_ATTRIBUTE_MIN_BREACHING, mParams.min_breaching);
- if (result < 0) {
- return result;
- }
-
- struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS);
-
- for (int i = 0; i < mParams.num_bssid; i++) {
-
- nlattr *attr2 = request.attr_start(i);
- if (attr2 == NULL) {
- return WIFI_ERROR_OUT_OF_MEMORY;
- }
- result = request.put_addr(GSCAN_ATTRIBUTE_BSSID, mParams.ap[i].bssid);
- if (result < 0) {
- return result;
- }
- result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_HIGH, mParams.ap[i].high);
- if (result < 0) {
- return result;
- }
- result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_LOW, mParams.ap[i].low);
- if (result < 0) {
- return result;
- }
- request.attr_end(attr2);
- }
-
- request.attr_end(attr);
- request.attr_end(data);
-
- return result;
- }
-
- int createTeardownRequest(WifiRequest& request) {
- int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RESET_SIGNIFICANT_CHANGE);
- if (result < 0) {
- return result;
- }
-
- return result;
- }
-
- int start() {
- WifiRequest request(familyId(), ifaceId());
-
- int result = createSetupRequest(request);
- if (result < 0) {
- return result;
- }
-
- result = requestResponse(request);
- if (result < 0) {
- ALOGE("failed to set significant wifi change %d", result);
- return result;
- }
- registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS);
-
- return result;
- }
-
- virtual int cancel() {
- /* unregister event handler */
- unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS);
-
- /* create set significant change monitor message with empty hotlist */
- WifiRequest request(familyId(), ifaceId());
-
- int result = createTeardownRequest(request);
- if (result < 0) {
- return result;
- }
-
- result = requestResponse(request);
- if (result < 0) {
- return result;
- }
-
- return result;
- }
-
- virtual int handleResponse(WifiEvent& reply) {
- /* Nothing to do on response! */
- return NL_SKIP;
- }
-
- virtual int handleEvent(WifiEvent& event) {
- nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
- int len = event.get_vendor_data_len();
-
- if (vendor_data == NULL || len == 0) {
- ALOGE("No scan results found");
- return NL_SKIP;
- }
-
- typedef struct {
- uint16_t channel;
- mac_addr bssid;
- int16_t rssi_history[8];
- } ChangeInfo;
-
- int num = min(len / sizeof(ChangeInfo), MAX_RESULTS);
- ChangeInfo *ci = (ChangeInfo *)event.get_vendor_data();
-
- for (int i = 0; i < num; i++) {
- memcpy(mResultsBuffer[i].bssid, ci[i].bssid, sizeof(mac_addr));
- mResultsBuffer[i].channel = ci[i].channel;
- /* Driver sends N samples and the rest 8-N are filled 0x7FFF
- * N = no of rssi samples to average sent in significant change request. */
- int num_rssi = 0;
- for (int j = 0; j < 8; j++) {
- if (ci[i].rssi_history[j] == 0x7FFF) {
- num_rssi = j;
- break;
- }
- mResultsBuffer[i].rssi[j] = (int) ci[i].rssi_history[j];
- }
- mResultsBuffer[i].num_rssi = num_rssi;
- mResults[i] = reinterpret_cast<wifi_significant_change_result *>(&(mResultsBuffer[i]));
- }
-
- if (num != 0) {
- (*mHandler.on_significant_change)(id(), num, mResults);
- } else {
- ALOGW("No significant change reported");
- }
-
- return NL_SKIP;
- }
-};
-
-wifi_error wifi_set_significant_change_handler(wifi_request_id id, wifi_interface_handle iface,
- wifi_significant_change_params params, wifi_significant_change_handler handler)
-{
- wifi_handle handle = getWifiHandle(iface);
-
- SignificantWifiChangeCommand *cmd = new SignificantWifiChangeCommand(
- iface, id, params, handler);
- wifi_register_cmd(handle, id, cmd);
- return (wifi_error)cmd->start();
-}
-
-wifi_error wifi_reset_significant_change_handler(wifi_request_id id, wifi_interface_handle iface)
-{
- wifi_handle handle = getWifiHandle(iface);
-
- WifiCommand *cmd = wifi_unregister_cmd(handle, id);
- if (cmd) {
- cmd->cancel();
- cmd->releaseRef();
- return WIFI_SUCCESS;
- }
-
- return WIFI_ERROR_INVALID_ARGS;
-}
-
class ePNOCommand : public WifiCommand
{
private:
projects / GitHub / MotorolaMobilityLLC / hardware-samsung_slsi-scsc_wifibt-wifi_hal.git / blobdiff