X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=src%2Fcommon%2Fieee802_11_common.c;h=34fa968cc3929cdf7d68e1116eabfe8db115a639;hb=92c6e2e3a92906083d11471ea1b2965758068d8d;hp=9af2606913f3489741f6d0ec87225e0076dd0d58;hpb=facf2c728a59af817aad9fe70d23d8b2519d8a94;p=mech_eap.git

diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index 9af2606..34fa968 100644
--- a/src/common/ieee802_11_common.c
+++ b/src/common/ieee802_11_common.c
@@ -1205,3 +1205,27 @@ const u8 * get_ie(const u8 *ies, size_t len, u8 eid)
 
 	return NULL;
 }
+
+
+size_t mbo_add_ie(u8 *buf, size_t len, const u8 *attr, size_t attr_len)
+{
+	/*
+	 * MBO IE requires 6 bytes without the attributes: EID (1), length (1),
+	 * OUI (3), OUI type (1).
+	 */
+	if (len < 6 + attr_len) {
+		wpa_printf(MSG_DEBUG,
+			   "MBO: Not enough room in buffer for MBO IE: buf len = %zu, attr_len = %zu",
+			   len, attr_len);
+		return 0;
+	}
+
+	*buf++ = WLAN_EID_VENDOR_SPECIFIC;
+	*buf++ = attr_len + 4;
+	WPA_PUT_BE24(buf, OUI_WFA);
+	buf += 3;
+	*buf++ = MBO_OUI_TYPE;
+	os_memcpy(buf, attr, attr_len);
+
+	return 6 + attr_len;
+}