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AP: Pass station P2P PS capabilities info during station add/set

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If a legacy client with no P2P PS support is trying to connect to
a P2P GO, the driver should know that, and change its PS behavior
accordingly.

Add a parameter to hostapd_sta_add_params() indicating if P2P PS is
supported by the station and pass this parameter to kernel with nl80211
driver when the station is added/set.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
This commit is contained in:
Ayala Beker 2016-04-07 13:31:01 +03:00 committed by Jouni Malinen
parent 7405bb06ca
commit ae33239c55
5 changed files with 16 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/ap/ap_drv_ops.c
View file

@ -362,7 +362,8 @@ int hostapd_sta_add(struct hostapd_data *hapd,
u16 listen_interval,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
u32 flags, u8 qosinfo, u8 vht_opmode, int set)
u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
int set)
{
struct hostapd_sta_add_params params;
@ -384,6 +385,7 @@ int hostapd_sta_add(struct hostapd_data *hapd,
params.vht_opmode = vht_opmode;
params.flags = hostapd_sta_flags_to_drv(flags);
params.qosinfo = qosinfo;
params.support_p2p_ps = supp_p2p_ps;
params.set = set;
return hapd->driver->sta_add(hapd->drv_priv, &params);
}

3
src/ap/ap_drv_ops.h
View file

@ -41,7 +41,8 @@ int hostapd_sta_add(struct hostapd_data *hapd,
u16 listen_interval,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
u32 flags, u8 qosinfo, u8 vht_opmode, int set);
u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
int set);
int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
size_t elem_len);

5
src/ap/ieee802_11.c
View file

@ -1221,7 +1221,7 @@ static void handle_auth(struct hostapd_data *hapd,
WLAN_STA_AUTHORIZED);
if (hostapd_sta_add(hapd, sta->addr, 0, 0, 0, 0, 0,
NULL, NULL, sta->flags, 0, 0, 0)) {
NULL, NULL, sta->flags, 0, 0, 0, 0)) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_NOTICE,
@ -1805,7 +1805,8 @@ static int add_associated_sta(struct hostapd_data *hapd,
sta->flags & WLAN_STA_HT ? &ht_cap : NULL,
sta->flags & WLAN_STA_VHT ? &vht_cap : NULL,
sta->flags | WLAN_STA_ASSOC, sta->qosinfo,
sta->vht_opmode, sta->added_unassoc)) {
sta->vht_opmode, sta->p2p_ie ? 1 : 0,
sta->added_unassoc)) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_NOTICE,
"Could not %s STA to kernel driver",

1
src/drivers/driver.h
View file

@ -1419,6 +1419,7 @@ struct hostapd_sta_add_params {
size_t supp_channels_len;
const u8 *supp_oper_classes;
size_t supp_oper_classes_len;
int support_p2p_ps;
};
struct mac_address {

7
src/drivers/driver_nl80211.c
View file

@ -3877,6 +3877,13 @@ static int wpa_driver_nl80211_sta_add(void *priv,
params->ext_capab_len, params->ext_capab))
goto fail;
}
if (is_ap_interface(drv->nlmode) &&
nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
params->support_p2p_ps ?
NL80211_P2P_PS_SUPPORTED :
NL80211_P2P_PS_UNSUPPORTED))
goto fail;
}
if (!params->set) {
if (params->aid) {