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nl80211: Support AP mode probe/action frame TX/RX without monitor iface

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This allows non-mac80211 drivers to report received Probe Request
frames to user space and Probe Response and Action frames to be sent
from user space when using AP/P2P GO mode.
This commit is contained in:
Jouni Malinen 2011-08-29 14:26:55 +03:00 committed by Jouni Malinen
parent 4dc03726de
commit 86957e6298
1 changed files with 21 additions and 13 deletions
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34
src/drivers/driver_nl80211.c
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@ -169,6 +169,7 @@ struct wpa_driver_nl80211_data {
u64 send_action_cookie;
unsigned int last_mgmt_freq;
unsigned int ap_oper_freq;
struct wpa_driver_scan_filter *filter_ssids;
size_t num_filter_ssids;
@ -1356,8 +1357,7 @@ static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
addr = nla_data(tb[NL80211_ATTR_MAC]);
wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
if (drv->nlmode == NL80211_IFTYPE_AP &&
drv->no_monitor_iface_capab) {
if (is_ap_interface(drv->nlmode) && drv->no_monitor_iface_capab) {
u8 *ies = NULL;
size_t ies_len = 0;
if (tb[NL80211_ATTR_IE]) {
@ -1390,8 +1390,7 @@ static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
MAC2STR(addr));
if (drv->nlmode == NL80211_IFTYPE_AP &&
drv->no_monitor_iface_capab) {
if (is_ap_interface(drv->nlmode) && drv->no_monitor_iface_capab) {
drv_event_disassoc(drv->ctx, addr);
return;
}
@ -3801,6 +3800,11 @@ static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data,
data, data_len, NULL);
}
if (drv->no_monitor_iface_capab && is_ap_interface(drv->nlmode)) {
return nl80211_send_frame_cmd(drv, drv->ap_oper_freq, 0,
data, data_len, NULL);
}
if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
/*
@ -4764,8 +4768,16 @@ static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
return -1;
}
/* TODO: setup monitor interface (and add code somewhere to remove this
* when AP mode is stopped; associate with mode != 2 or drv_deinit) */
if (drv->no_monitor_iface_capab) {
if (wpa_driver_nl80211_probe_req_report(&drv->first_bss, 1) < 0)
{
wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
"Probe Request frame reporting in AP mode");
/* Try to survive without this */
}
}
drv->ap_oper_freq = params->freq;
return 0;
}
@ -5211,6 +5223,7 @@ static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1;
int i;
int was_ap = is_ap_interface(drv->nlmode);
if (nl80211_set_mode(drv, drv->ifindex, nlmode) == 0) {
drv->nlmode = nlmode;
@ -5264,6 +5277,8 @@ done:
return -1;
} else if (!ret && !is_ap_interface(nlmode)) {
/* Remove additional AP mode functionality */
if (was_ap && drv->no_monitor_iface_capab)
wpa_driver_nl80211_probe_req_report(bss, 0);
nl80211_remove_monitor_interface(drv);
bss->beacon_set = 0;
}
@ -6503,13 +6518,6 @@ static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
if (!is_sta_interface(drv->nlmode)) {
wpa_printf(MSG_DEBUG, "nl80211: probe_req_report control only "
"allowed in station mode (iftype=%d)",
drv->nlmode);
return -1;
}
if (!report) {
if (drv->nl_handle_preq) {
eloop_unregister_read_sock(