AP MLD: Set RSC=0 for group key handshake message 1 for MLO

Per IEEE Std 802.11be-2024, 12.7.7.2 (Group key handshake message 1),
the RSC field contains PN for the GTK for non-MLO and 0 for MLO. So for
multi-link association, avoid an explicit GTK PN fetch from the
driver/firmware and instead leave the RSC field to the initialized 0.

Signed-off-by: Sai Pratyusha Magam <smagam@qti.qualcomm.com>

diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
index 625b99969d60544d71c459227175fcd69f3e0148..7b324670d83ba1f7058915ecae9064f23129d1de 100644 (file)
--- a/src/ap/wpa_auth.c
+++ b/src/ap/wpa_auth.c
@@ -5455,8 +5455,9 @@ SM_STATE(WPA_PTK_GROUP, REKEYNEGOTIATING)
        sm->TimeoutEvt = false;
        /* Send EAPOL(1, 1, 1, !Pair, G, RSC, GNonce, MIC(PTK), GTK[GN]) */
        os_memset(rsc, 0, WPA_KEY_RSC_LEN);
-       if (gsm->wpa_group_state == WPA_GROUP_SETKEYSDONE)
+       if (gsm->wpa_group_state == WPA_GROUP_SETKEYSDONE && !is_mld)
                wpa_auth_get_seqnum(sm->wpa_auth, NULL, gsm->GN, rsc);
+
        wpa_auth_logger(sm->wpa_auth, wpa_auth_get_spa(sm), LOGGER_DEBUG,
                        "sending 1/2 msg of Group Key Handshake");