[PATCH 10/19] hostapd: Save rm enabled capability of station

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From: David Spinadel <david.spinadel@xxxxxxxxx>

Save RM enabled capability IE of an associating station
if radio measurement is supported in its capability field.

Signed-off-by: David Spinadel <david.spinadel@xxxxxxxxx>
---
 src/ap/ieee802_11.c            | 11 ++++++++++-
 src/ap/sta_info.h              |  2 ++
 src/common/ieee802_11_common.c |  4 ++++
 src/common/ieee802_11_common.h |  2 ++
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index 4f65cf3..bf8ea7c 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -1749,6 +1749,11 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
 	ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
 				    elems.supp_op_classes_len);
 
+	if ((sta->capability & WLAN_CAPABILITY_RADIO_MEASUREMENT) &&
+	    elems.rrm_enabled_len == sizeof(sta->rrm_enabled_capa))
+		os_memcpy(sta->rrm_enabled_capa, elems.rrm_enabled,
+			  elems.rrm_enabled_len);
+
 	return WLAN_STATUS_SUCCESS;
 }
 
@@ -2093,6 +2098,11 @@ static void handle_assoc(struct hostapd_data *hapd,
 	}
 #endif /* CONFIG_MBO */
 
+	/* sta->capability is used in check_assoc_ies() for rrm enabled
+	 * capability element.
+	 */
+	sta->capability = capab_info;
+
 	/* followed by SSID and Supported rates; and HT capabilities if 802.11n
 	 * is used */
 	resp = check_assoc_ies(hapd, sta, pos, left, reassoc);
@@ -2106,7 +2116,6 @@ static void handle_assoc(struct hostapd_data *hapd,
 		goto fail;
 	}
 
-	sta->capability = capab_info;
 	sta->listen_interval = listen_interval;
 
 	if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
index 3d9a928..c49402d 100644
--- a/src/ap/sta_info.h
+++ b/src/ap/sta_info.h
@@ -202,6 +202,8 @@ struct sta_info {
 
 	u8 *supp_op_classes; /* Supported Operating Classes element, if
 			      * received, starting from the Length field */
+
+	u8 rrm_enabled_capa[5];
 };
 
 
diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index 5b05b68..b6bc449 100644
--- a/src/common/ieee802_11_common.c
+++ b/src/common/ieee802_11_common.c
@@ -375,6 +375,10 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
 			elems->supp_op_classes = pos;
 			elems->supp_op_classes_len = elen;
 			break;
+		case WLAN_EID_RRM_ENABLED_CAPABILITIES:
+			elems->rrm_enabled = pos;
+			elems->rrm_enabled_len = elen;
+			break;
 		default:
 			unknown++;
 			if (!show_errors)
diff --git a/src/common/ieee802_11_common.h b/src/common/ieee802_11_common.h
index d9fecd6..de6876a 100644
--- a/src/common/ieee802_11_common.h
+++ b/src/common/ieee802_11_common.h
@@ -63,6 +63,7 @@ struct ieee802_11_elems {
 	const u8 *mic;
 	const u8 *pref_freq_list;
 	const u8 *supp_op_classes;
+	const u8 *rrm_enabled;
 
 	u8 ssid_len;
 	u8 supp_rates_len;
@@ -96,6 +97,7 @@ struct ieee802_11_elems {
 	u8 supp_op_classes_len;
 
 	struct mb_ies_info mb_ies;
+	u8 rrm_enabled_len;
 };
 
 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
-- 
1.9.1


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