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Interworking: Add Advertisement Protocol element

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For now, assume that ANQP will always be enabled with Interworking.
This may be made separately configurable in the future.
This commit is contained in:
Jouni Malinen 2011-10-17 23:19:52 +03:00 committed by Jouni Malinen
parent 3c11382b6c
commit c7c178e15e
4 changed files with 23 additions and 0 deletions
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1
src/ap/ap_drv_ops.c
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@ -59,6 +59,7 @@ int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
wpabuf_put_data(assocresp, buf, pos - buf);
}
pos = hostapd_eid_interworking(hapd, pos);
pos = hostapd_eid_adv_proto(hapd, pos);
if (pos != buf) {
if (wpabuf_resize(&beacon, pos - buf) != 0)
goto fail;

2
src/ap/beacon.c
View file

@ -358,6 +358,7 @@ void handle_probe_req(struct hostapd_data *hapd,
pos = hostapd_eid_ext_capab(hapd, pos);
pos = hostapd_eid_interworking(hapd, pos);
pos = hostapd_eid_adv_proto(hapd, pos);
/* Wi-Fi Alliance WMM */
pos = hostapd_eid_wmm(hapd, pos);
@ -493,6 +494,7 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
tailpos = hostapd_eid_ext_capab(hapd, tailpos);
tailpos = hostapd_eid_interworking(hapd, tailpos);
tailpos = hostapd_eid_adv_proto(hapd, tailpos);
/* Wi-Fi Alliance WMM */
tailpos = hostapd_eid_wmm(hapd, tailpos);

1
src/ap/ieee802_11.h
View file

@ -70,5 +70,6 @@ void ieee802_11_sa_query_action(struct hostapd_data *hapd,
const u8 *sa, const u8 action_type,
const u8 *trans_id);
u8 * hostapd_eid_interworking(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_adv_proto(struct hostapd_data *hapd, u8 *eid);
#endif /* IEEE802_11_H */

19
src/ap/ieee802_11_shared.c
View file

@ -243,3 +243,22 @@ u8 * hostapd_eid_interworking(struct hostapd_data *hapd, u8 *eid)
return pos;
}
u8 * hostapd_eid_adv_proto(struct hostapd_data *hapd, u8 *eid)
{
u8 *pos = eid;
#ifdef CONFIG_INTERWORKING
/* TODO: Separate configuration for ANQP? */
if (!hapd->conf->interworking)
return eid;
*pos++ = WLAN_EID_ADV_PROTO;
*pos++ = 2;
*pos++ = 0; /* Query Response Length Limit | PAME-BI */
*pos++ = ACCESS_NETWORK_QUERY_PROTOCOL;
#endif /* CONFIG_INTERWORKING */
return pos;
}