DGNum/hostapd
6
0
Fork 0
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

TDLS: Defer the start request until the discovery response RX for MLO

Browse source 
When the station (non-AP MLD) is associated with an AP MLD the link ID
for TDLS setup is derived from the discovery response frame and the link
ID is used in TDLS setup operation when acting as initiator. The driver
sends the received discovery response frame followed by the TDLS setup
request event. But the discovery response frame is received after the
setup request event leading to use incorrect link ID value for TDLS
setup operation causing the setup failure. Process the TDLS setup
request if the discovery response frame is received, else defer the
process until the discovery response frame is received and process the
setup request after discovery response frame is processed.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Kiran Kumar Lokere 2024-02-06 15:57:53 -08:00 committed by Jouni Malinen
parent 352ad5f1a2
commit 86c2421711
1 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/rsn_supp/tdls.c
View file

@ -161,6 +161,8 @@ struct wpa_tdls_peer {
int chan_switch_enabled;
int mld_link_id;
bool disc_resp_rcvd;
bool setup_req_rcvd;
};
@ -2868,6 +2870,12 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
return 0;
}
if (sm->mlo.valid_links && !peer->disc_resp_rcvd) {
wpa_printf(MSG_DEBUG,
"TDLS: MLO STA connection - defer the setup request since Discovery Resp not yet received");
peer->setup_req_rcvd = true;
return 0;
}
peer->initiator = 1;
/* add the peer to the driver as a "setup in progress" peer */
@ -3236,6 +3244,13 @@ int wpa_tdls_process_discovery_response(struct wpa_sm *sm, const u8 *addr,
wpa_printf(MSG_DEBUG, "TDLS: Link identifier BSS: " MACSTR
" , link id: %u", MAC2STR(lnkid->bssid), link_id);
peer->disc_resp_rcvd = true;
if (peer->setup_req_rcvd) {
peer->setup_req_rcvd = false;
wpa_printf(MSG_DEBUG, "TDLS: Process the deferred TDLS start");
return wpa_tdls_start(sm, addr);
}
return 0;
}