From: Aloka Dixit <quic_alokad@quicinc.com>
Date: Thu, 1 Dec 2022 03:18:42 +0000 (-0800)
Subject: mbssid: Make the AID space shared
X-Git-Tag: hostap_2_11~1414
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54b1352efdd148de1cf8322f5457aa82c668753b;p=thirdparty%2Fhostap.git

mbssid: Make the AID space shared

As described in IEEE Std 802.11-2020, 11.1.3.8 Multiple BSSID procedure,
set the lowest AID value assigned to any client equal to 2^n, where n is
the maximum BSSID indicator of the MBSSID set.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Co-developed-by: John Crispin <john@phrozen.org>
Signed-off-by: John Crispin <john@phrozen.org>
---

diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index 1a1ccf7fc..8f5c2c237 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -3160,7 +3160,7 @@ int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta)
 	}
 	if (j == 32)
 		return -1;
-	aid = i * 32 + j + 1;
+	aid = i * 32 + j + (1 << hostapd_max_bssid_indicator(hapd));
 	if (aid > 2007)
 		return -1;