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Make STA opmode change event available to upper layers

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Add an event callback for EVENT_STATION_OPMODE_CHANGED to allow
user/application to get the notification whenever there is a change in a
station's HT/VHT op mode.

The new events:
STA-OPMODE-MAX-BW-CHANGED <addr> <20(no-HT)|20|40|80|80+80|160>
STA-OPMODE-SMPS-MODE-CHANGED <addr> <automatic|off|dynamic|static>
STA-OPMODE-N_SS-CHANGED <addr> <N_SS>

Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
This commit is contained in:
Tamizh chelvam 2018-03-09 18:19:09 +05:30 committed by Jouni Malinen
parent e8ada1600f
commit ec2b5173ce
4 changed files with 93 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
src/ap/drv_callbacks.c
View File

@ -653,6 +653,73 @@ void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
}
void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
enum smps_mode smps_mode,
enum chan_width chan_width, u8 rx_nss)
{
struct sta_info *sta = ap_get_sta(hapd, addr);
const char *txt;
if (!sta)
return;
switch (smps_mode) {
case SMPS_AUTOMATIC:
txt = "automatic";
break;
case SMPS_OFF:
txt = "off";
break;
case SMPS_DYNAMIC:
txt = "dynamic";
break;
case SMPS_STATIC:
txt = "static";
break;
default:
txt = NULL;
break;
}
if (txt) {
wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
MACSTR " %s", MAC2STR(addr), txt);
}
switch (chan_width) {
case CHAN_WIDTH_20_NOHT:
txt = "20(no-HT)";
break;
case CHAN_WIDTH_20:
txt = "20";
break;
case CHAN_WIDTH_40:
txt = "40";
break;
case CHAN_WIDTH_80:
txt = "80";
break;
case CHAN_WIDTH_80P80:
txt = "80+80";
break;
case CHAN_WIDTH_160:
txt = "160";
break;
default:
txt = NULL;
break;
}
if (txt) {
wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
MACSTR " %s", MAC2STR(addr), txt);
}
if (rx_nss != 0xff) {
wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
MACSTR " %d", MAC2STR(addr), rx_nss);
}
}
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
int offset, int width, int cf1, int cf2)
{
@ -1614,6 +1681,12 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
&data->acs_selected_channels);
break;
#endif /* CONFIG_ACS */
case EVENT_STATION_OPMODE_CHANGED:
hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
data->sta_opmode.smps_mode,
data->sta_opmode.chan_width,
data->sta_opmode.rx_nss);
break;
default:
wpa_printf(MSG_DEBUG, "Unknown event %d", event);
break;

3
src/ap/hostapd.h
View File

@ -608,6 +608,9 @@ hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
const char *ifname);
void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
enum smps_mode smps_mode,
enum chan_width chan_width, u8 rx_nss);
#ifdef CONFIG_FST
void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,

5
src/common/wpa_ctrl.h
View File

@ -345,6 +345,11 @@ extern "C" {
* parameters: sa=<STA MAC address> signal=<signal> */
#define RX_PROBE_REQUEST "RX-PROBE-REQUEST "
/* Event to indicate station's HT/VHT operation mode change information */
#define STA_OPMODE_MAX_BW_CHANGED "STA-OPMODE-MAX-BW-CHANGED "
#define STA_OPMODE_SMPS_MODE_CHANGED "STA-OPMODE-SMPS-MODE-CHANGED "
#define STA_OPMODE_N_SS_CHANGED "STA-OPMODE-N_SS-CHANGED "
/* BSS command information masks */
#define WPA_BSS_MASK_ALL 0xFFFDFFFF

12
wpa_supplicant/events.c
View File

@ -4609,6 +4609,18 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
case EVENT_PORT_AUTHORIZED:
wpa_supplicant_event_port_authorized(wpa_s);
break;
case EVENT_STATION_OPMODE_CHANGED:
#ifdef CONFIG_AP
if (!wpa_s->ap_iface || !data)
break;
hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
data->sta_opmode.addr,
data->sta_opmode.smps_mode,
data->sta_opmode.chan_width,
data->sta_opmode.rx_nss);
#endif /* CONFIG_AP */
break;
default:
wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
break;