Revert "Revert "[wpa_supplicant] cumilative patch from commit 4b..."
Revert submission 28102966-revert-26533062-Supplicant_merge_June24-CUATTSRBBR
Fixed the regression issue (ag/28389573)
Bug: 329004037
Reverted changes: /q/submissionid:28102966-revert-26533062-Supplicant_merge_June24-CUATTSRBBR
Test: Turn ON/OFF SoftAp
Change-Id: Ie7ea1ee7f8b1311fce280907d37a2e321542f547
diff --git a/src/ap/rrm.c b/src/ap/rrm.c
index f2d5cd1..fbcddf3 100644
--- a/src/ap/rrm.c
+++ b/src/ap/rrm.c
@@ -334,6 +334,53 @@
}
+static void hostapd_link_mesr_rep_timeout_handler(void *eloop_data,
+ void *user_ctx)
+{
+ struct hostapd_data *hapd = eloop_data;
+
+ wpa_printf(MSG_DEBUG,
+ "RRM: Link measurement request (token %u) timed out",
+ hapd->link_measurement_req_token);
+ hapd->link_mesr_req_active = 0;
+}
+
+
+static void hostapd_handle_link_mesr_report(struct hostapd_data *hapd,
+ const u8 *buf, size_t len)
+{
+ const struct ieee80211_mgmt *mgmt = (const struct ieee80211_mgmt *) buf;
+ const struct rrm_link_measurement_report *report;
+ const u8 *pos, *end;
+ char report_msg[2 * 8 + 1];
+
+ end = buf + len;
+ pos = mgmt->u.action.u.rrm.variable;
+ report = (const struct rrm_link_measurement_report *) (pos - 1);
+ if (end - (const u8 *) report < (int) sizeof(*report))
+ return;
+
+ if (!hapd->link_mesr_req_active ||
+ (hapd->link_measurement_req_token != report->dialog_token)) {
+ wpa_printf(MSG_INFO,
+ "Unexpected Link measurement report, token %u",
+ report->dialog_token);
+ return;
+ }
+
+ hapd->link_mesr_req_active = 0;
+ eloop_cancel_timeout(hostapd_link_mesr_rep_timeout_handler, hapd, NULL);
+
+ report_msg[0] = '\0';
+ if (wpa_snprintf_hex(report_msg, sizeof(report_msg),
+ pos, end - pos) < 0)
+ return;
+
+ wpa_msg(hapd->msg_ctx, MSG_INFO, LINK_MSR_RESP_RX MACSTR " %u %s",
+ MAC2STR(mgmt->sa), report->dialog_token, report_msg);
+}
+
+
void hostapd_handle_radio_measurement(struct hostapd_data *hapd,
const u8 *buf, size_t len)
{
@@ -356,6 +403,9 @@
case WLAN_RRM_NEIGHBOR_REPORT_REQUEST:
hostapd_handle_nei_report_req(hapd, buf, len);
break;
+ case WLAN_RRM_LINK_MEASUREMENT_REPORT:
+ hostapd_handle_link_mesr_report(hapd, buf, len);
+ break;
default:
wpa_printf(MSG_DEBUG, "RRM action %u is not supported",
mgmt->u.action.u.rrm.action);
@@ -563,6 +613,7 @@
hapd->lci_req_active = 0;
eloop_cancel_timeout(hostapd_range_rep_timeout_handler, hapd, NULL);
hapd->range_req_active = 0;
+ eloop_cancel_timeout(hostapd_link_mesr_rep_timeout_handler, hapd, NULL);
}
@@ -672,3 +723,73 @@
" %u ack=%d", MAC2STR(mgmt->da),
mgmt->u.action.u.rrm.dialog_token, ok);
}
+
+
+int hostapd_send_link_measurement_req(struct hostapd_data *hapd, const u8 *addr)
+{
+ struct wpabuf *buf;
+ struct sta_info *sta;
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "Request Link Measurement: dest addr " MACSTR,
+ MAC2STR(addr));
+
+ if (!(hapd->iface->drv_rrm_flags &
+ WPA_DRIVER_FLAGS_TX_POWER_INSERTION)) {
+ wpa_printf(MSG_INFO,
+ "Request Link Measurement: the driver does not support TX power insertion");
+ return -1;
+ }
+
+ sta = ap_get_sta(hapd, addr);
+ if (!sta || !(sta->flags & WLAN_STA_AUTHORIZED)) {
+ wpa_printf(MSG_INFO,
+ "Request Link Measurement: specied STA is not connected");
+ return -1;
+ }
+
+ if (!(sta->rrm_enabled_capa[0] & WLAN_RRM_CAPS_LINK_MEASUREMENT)) {
+ wpa_printf(MSG_INFO,
+ "Request Link Measurement: destination STA does not support link measurement");
+ return -1;
+ }
+
+ if (hapd->link_mesr_req_active) {
+ wpa_printf(MSG_DEBUG,
+ "Request Link Measurement: request already in process - overriding");
+ hapd->link_mesr_req_active = 0;
+ eloop_cancel_timeout(hostapd_link_mesr_rep_timeout_handler,
+ hapd, NULL);
+ }
+
+ /* Action + Action type + token + Tx Power used + Max Tx Power = 5 */
+ buf = wpabuf_alloc(5);
+ if (!buf)
+ return -1;
+
+ hapd->link_measurement_req_token++;
+ if (!hapd->link_measurement_req_token)
+ hapd->link_measurement_req_token++;
+
+ wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
+ wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REQUEST);
+ wpabuf_put_u8(buf, hapd->link_measurement_req_token);
+ /* NOTE: The driver is expected to fill the Tx Power Used and Max Tx
+ * Power */
+ wpabuf_put_u8(buf, 0);
+ wpabuf_put_u8(buf, 0);
+
+ ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
+ wpabuf_head(buf), wpabuf_len(buf));
+ wpabuf_free(buf);
+ if (ret < 0)
+ return ret;
+
+ hapd->link_mesr_req_active = 1;
+
+ eloop_register_timeout(HOSTAPD_RRM_REQUEST_TIMEOUT, 0,
+ hostapd_link_mesr_rep_timeout_handler, hapd,
+ NULL);
+
+ return hapd->link_measurement_req_token;
+}