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AP: Unsolicited broadcast Probe Response configuration

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Add hostapd configuration options for unsolicited broadcast
Probe Response transmission for in-band discovery in 6 GHz.
Maximum allowed packet interval is 20 TUs (IEEE P802.11ax/D8.0
26.17.2.3.2, AP behavior for fast passive scanning).
Setting value to 0 disables the transmission.

Signed-off-by: Aloka Dixit <alokad@codeaurora.org>
This commit is contained in:
Aloka Dixit 2020-09-11 02:45:46 +00:00 • committed by Jouni Malinen
parent 11736a1a78
commit 024b4b2a29
5 changed files with 58 additions and 0 deletions
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2
src/ap/ap_config.h
View file

@ -878,6 +878,8 @@ struct hostapd_bss_config {
int *pasn_groups;
#endif /* CONFIG_PASN */
unsigned int unsol_bcast_probe_resp_interval;
};
/**

23
src/ap/beacon.c
View file

@ -1124,6 +1124,23 @@ static u8 * hostapd_probe_resp_offloads(struct hostapd_data *hapd,
#endif /* NEED_AP_MLME */
#ifdef CONFIG_IEEE80211AX
/* Unsolicited broadcast Probe Response transmission, 6 GHz only */
static u8 * hostapd_unsol_bcast_probe_resp(struct hostapd_data *hapd,
struct wpa_driver_ap_params *params)
{
if (!is_6ghz_op_class(hapd->iconf->op_class))
return NULL;
params->unsol_bcast_probe_resp_interval =
hapd->conf->unsol_bcast_probe_resp_interval;
return hostapd_gen_probe_resp(hapd, NULL, 0,
&params->unsol_bcast_probe_resp_tmpl_len);
}
#endif /* CONFIG_IEEE80211AX */
void sta_track_del(struct hostapd_sta_info *info)
{
#ifdef CONFIG_TAXONOMY
@ -1719,6 +1736,10 @@ void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params)
os_free(params->fd_frame_tmpl);
params->fd_frame_tmpl = NULL;
#endif /* CONFIG_FILS */
#ifdef CONFIG_IEEE80211AX
os_free(params->unsol_bcast_probe_resp_tmpl);
params->unsol_bcast_probe_resp_tmpl = NULL;
#endif /* CONFIG_IEEE80211AX */
}
@ -1769,6 +1790,8 @@ int ieee802_11_set_beacon(struct hostapd_data *hapd)
params.he_bss_color = hapd->iface->conf->he_op.he_bss_color;
params.twt_responder = hostapd_get_he_twt_responder(hapd,
IEEE80211_MODE_AP);
params.unsol_bcast_probe_resp_tmpl =
hostapd_unsol_bcast_probe_resp(hapd, &params);
#endif /* CONFIG_IEEE80211AX */
hapd->reenable_beacon = 0;
#ifdef CONFIG_SAE

15
src/drivers/driver.h
View file

@ -1561,6 +1561,21 @@ struct wpa_driver_ap_params {
* FILS Discovery frame template length
*/
size_t fd_frame_tmpl_len;
/**
* Unsolicited broadcast Probe Response interval in TUs
*/
unsigned int unsol_bcast_probe_resp_interval;
/**
* Unsolicited broadcast Probe Response template data
*/
u8 *unsol_bcast_probe_resp_tmpl;
/**
* Unsolicited broadcast Probe Response template length
*/
size_t unsol_bcast_probe_resp_tmpl_len;
};
struct wpa_driver_mesh_bss_params {