This allows us to dynamically turn TWT on and off using a nl80211
attribute.
Signed-off-by: John Crispin <john@xxxxxxxxxxx>
---
src/ap/beacon.c | 3 +++
src/ap/ieee802_11.h | 1 +
src/ap/ieee802_11_he.c | 7 +++++++
src/common/ieee802_11_defs.h | 2 ++
src/drivers/driver.h | 5 +++++
src/drivers/driver_nl80211.c | 8 ++++++++
6 files changed, 26 insertions(+)
diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 1838c1c84..7c5e4cd19 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -1419,6 +1419,9 @@ int ieee802_11_set_beacon(struct hostapd_data *hapd)
params.proberesp_ies = proberesp;
params.assocresp_ies = assocresp;
params.reenable = hapd->reenable_beacon;
+#ifdef CONFIG_IEEE80211AX
+ params.twt_responder = hostapd_get_he_twt_responder(hapd);
+#endif
hapd->reenable_beacon = 0;
if (iface->current_mode &&
diff --git a/src/ap/ieee802_11.h b/src/ap/ieee802_11.h
index 8822a1785..7a8ecf8a9 100644
--- a/src/ap/ieee802_11.h
+++ b/src/ap/ieee802_11.h
@@ -92,6 +92,7 @@ u16 set_sta_vht_opmode(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_opmode);
u16 copy_sta_he_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *he_capab, size_t he_capab_len);
+int hostapd_get_he_twt_responder(struct hostapd_data *hapd);
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
const u8 *buf, size_t len, int ack);
void hostapd_eapol_tx_status(struct hostapd_data *hapd, const u8 *dst,
diff --git a/src/ap/ieee802_11_he.c b/src/ap/ieee802_11_he.c
index 0c033c26d..ebb98e1aa 100644
--- a/src/ap/ieee802_11_he.c
+++ b/src/ap/ieee802_11_he.c
@@ -376,3 +376,10 @@ u16 copy_sta_he_capab(struct hostapd_data *hapd, struct sta_info *sta,
return WLAN_STATUS_SUCCESS;
}
+
+int hostapd_get_he_twt_responder(struct hostapd_data *hapd)
+{
+ u8 *mac_cap = hapd->iface->current_mode->he_capab.mac_cap;
+
+ return mac_cap[0] & HE_MACCAP_TWT_RESPONDER;
+}
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 214ba0e0f..1d302559e 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -2139,6 +2139,8 @@ struct ieee80211_spatial_reuse {
/* HE Capabilities Information defines */
+#define HE_MACCAP_TWT_RESPONDER ((u8) BIT(3))
+
#define HE_PHYCAP_CHANNEL_WIDTH_SET_IDX 0
#define HE_PHYCAP_CHANNEL_WIDTH_MASK ((u8) (BIT(1) | BIT(2) | \
BIT(3) | BIT(4)))
diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index d0f449f72..c6c87d8fb 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1427,6 +1427,11 @@ struct wpa_driver_ap_params {
* type 11 as defined in IEEE Std 802.11-2016, 9.4.2.22.13
*/
const struct wpabuf *civic;
+
+ /**
+ * twt_responder - Whether Target Wait Time responder is enabled
+ */
+ int twt_responder;
};
struct wpa_driver_mesh_bss_params {
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 45835a21b..c9f39bee0 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -4286,6 +4286,14 @@ static int wpa_driver_nl80211_set_ap(void *priv,
nla_nest_end(msg, ftm);
}
+#ifdef CONFIG_IEEE80211AX
+ if (params->twt_responder) {
+ wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d",
+ params->twt_responder);
+ if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER))
+ goto fail;
+ }
+#endif
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
--
2.20.1
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