OpenWrt – Rev 1
?pathlinks?
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -26,6 +26,10 @@ CFLAGS += $(EXTRA_CFLAGS)
CFLAGS += -I$(abspath ../src)
CFLAGS += -I$(abspath ../src/utils)
+ifdef MULTICALL
+CFLAGS += -DMULTICALL
+endif
+
-include .config
-include $(if $(MULTICALL),../hostapd/.config)
@@ -117,6 +121,8 @@ OBJS_c += ../src/utils/common.o
OBJS_c += ../src/common/cli.o
OBJS += wmm_ac.o
+OBJS += ../src/common/wpa_ctrl.o
+
ifndef CONFIG_OS
ifdef CONFIG_NATIVE_WINDOWS
CONFIG_OS=win32
--- a/wpa_supplicant/bss.c
+++ b/wpa_supplicant/bss.c
@@ -11,6 +11,7 @@
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
#include "drivers/driver.h"
#include "eap_peer/eap.h"
#include "wpa_supplicant_i.h"
@@ -294,6 +295,10 @@ void calculate_update_time(const struct
static void wpa_bss_copy_res(struct wpa_bss *dst, struct wpa_scan_res *src,
struct os_reltime *fetch_time)
{
+ struct ieee80211_ht_capabilities *capab;
+ struct ieee80211_ht_operation *oper;
+ struct ieee802_11_elems elems;
+
dst->flags = src->flags;
os_memcpy(dst->bssid, src->bssid, ETH_ALEN);
dst->freq = src->freq;
@@ -306,6 +311,15 @@ static void wpa_bss_copy_res(struct wpa_
dst->est_throughput = src->est_throughput;
dst->snr = src->snr;
+ memset(&elems, 0, sizeof(elems));
+ ieee802_11_parse_elems((u8 *) (src + 1), src->ie_len, &elems, 0);
+ capab = (struct ieee80211_ht_capabilities *) elems.ht_capabilities;
+ oper = (struct ieee80211_ht_operation *) elems.ht_operation;
+ if (capab)
+ dst->ht_capab = le_to_host16(capab->ht_capabilities_info);
+ if (oper)
+ dst->ht_param = oper->ht_param;
+
calculate_update_time(fetch_time, src->age, &dst->last_update);
}
--- a/wpa_supplicant/bss.h
+++ b/wpa_supplicant/bss.h
@@ -82,6 +82,10 @@ struct wpa_bss {
u8 ssid[SSID_MAX_LEN];
/** Length of SSID */
size_t ssid_len;
+ /** HT capabilities */
+ u16 ht_capab;
+ /* Five octets of HT Operation Information */
+ u8 ht_param;
/** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
int freq;
/** Beacon interval in TUs (host byte order) */
--- a/wpa_supplicant/main.c
+++ b/wpa_supplicant/main.c
@@ -34,7 +34,7 @@ static void usage(void)
"vW] [-P<pid file>] "
"[-g<global ctrl>] \\\n"
" [-G<group>] \\\n"
- " -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
+ " -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] [-H<hostapd path>] "
"[-p<driver_param>] \\\n"
" [-b<br_ifname>] [-e<entropy file>]"
#ifdef CONFIG_DEBUG_FILE
@@ -74,6 +74,7 @@ static void usage(void)
" -g = global ctrl_interface\n"
" -G = global ctrl_interface group\n"
" -h = show this help text\n"
+ " -H = connect to a hostapd instance to manage state changes\n"
" -i = interface name\n"
" -I = additional configuration file\n"
" -K = include keys (passwords, etc.) in debug output\n"
@@ -201,7 +202,7 @@ int main(int argc, char *argv[])
for (;;) {
c = getopt(argc, argv,
- "b:Bc:C:D:de:f:g:G:hi:I:KLMm:No:O:p:P:qsTtuvW");
+ "b:Bc:C:D:de:f:g:G:hH:i:I:KLMm:No:O:p:P:qsTtuvW");
if (c < 0)
break;
switch (c) {
@@ -248,6 +249,9 @@ int main(int argc, char *argv[])
usage();
exitcode = 0;
goto out;
+ case 'H':
+ iface->hostapd_ctrl = optarg;
+ break;
case 'i':
iface->ifname = optarg;
break;
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -125,6 +125,55 @@ static void wpas_update_fils_connect_par
#endif /* CONFIG_FILS && IEEE8021X_EAPOL */
+static int hostapd_stop(struct wpa_supplicant *wpa_s)
+{
+ const char *cmd = "STOP_AP";
+ char buf[256];
+ size_t len = sizeof(buf);
+
+ if (wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL) < 0) {
+ wpa_printf(MSG_ERROR, "\nFailed to stop hostapd AP interfaces\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int hostapd_reload(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ char *cmd = NULL;
+ char buf[256];
+ size_t len = sizeof(buf);
+ enum hostapd_hw_mode hw_mode;
+ u8 channel;
+ int sec_chan = 0;
+ int ret;
+
+ if (!bss)
+ return -1;
+
+ if (bss->ht_param & HT_INFO_HT_PARAM_STA_CHNL_WIDTH) {
+ int sec = bss->ht_param & HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK;
+ if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
+ sec_chan = 1;
+ else if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
+ sec_chan = -1;
+ }
+
+ hw_mode = ieee80211_freq_to_chan(bss->freq, &channel);
+ if (asprintf(&cmd, "UPDATE channel=%d sec_chan=%d hw_mode=%d",
+ channel, sec_chan, hw_mode) < 0)
+ return -1;
+
+ ret = wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL);
+ free(cmd);
+
+ if (ret < 0) {
+ wpa_printf(MSG_ERROR, "\nFailed to reload hostapd AP interfaces\n");
+ return -1;
+ }
+ return 0;
+}
+
/* Configure default/group WEP keys for static WEP */
int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
@@ -920,12 +969,16 @@ void wpa_supplicant_set_state(struct wpa
sme_sched_obss_scan(wpa_s, 1);
+ if (wpa_s->hostapd)
+ hostapd_reload(wpa_s, wpa_s->current_bss);
#if defined(CONFIG_FILS) && defined(IEEE8021X_EAPOL)
if (!fils_hlp_sent && ssid && ssid->eap.erp)
wpas_update_fils_connect_params(wpa_s);
#endif /* CONFIG_FILS && IEEE8021X_EAPOL */
} else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
state == WPA_ASSOCIATED) {
+ if (wpa_s->hostapd)
+ hostapd_stop(wpa_s);
wpa_s->new_connection = 1;
wpa_drv_set_operstate(wpa_s, 0);
#ifndef IEEE8021X_EAPOL
@@ -1977,6 +2030,8 @@ void wpa_supplicant_associate(struct wpa
wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
ssid->id);
wpas_notify_mesh_group_started(wpa_s, ssid);
+ if (wpa_s->hostapd)
+ hostapd_reload(wpa_s, wpa_s->current_bss);
#else /* CONFIG_MESH */
wpa_msg(wpa_s, MSG_ERROR,
"mesh mode support not included in the build");
@@ -5487,6 +5542,16 @@ static int wpa_supplicant_init_iface(str
sizeof(wpa_s->bridge_ifname));
}
+ if (iface->hostapd_ctrl) {
+ wpa_s->hostapd = wpa_ctrl_open(iface->hostapd_ctrl);
+ if (!wpa_s->hostapd) {
+ wpa_printf(MSG_ERROR, "\nFailed to connect to hostapd\n");
+ return -1;
+ }
+ if (hostapd_stop(wpa_s) < 0)
+ return -1;
+ }
+
/* RSNA Supplicant Key Management - INITIALIZE */
eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
@@ -5808,6 +5873,11 @@ static void wpa_supplicant_deinit_iface(
if (terminate)
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING);
+ if (wpa_s->hostapd) {
+ wpa_ctrl_close(wpa_s->hostapd);
+ wpa_s->hostapd = NULL;
+ }
+
if (wpa_s->ctrl_iface) {
wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
wpa_s->ctrl_iface = NULL;
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -101,6 +101,11 @@ struct wpa_interface {
const char *ifname;
/**
+ * hostapd_ctrl - path to hostapd control socket for notification
+ */
+ const char *hostapd_ctrl;
+
+ /**
* bridge_ifname - Optional bridge interface name
*
* If the driver interface (ifname) is included in a Linux bridge
@@ -513,6 +518,8 @@ struct wpa_supplicant {
#endif /* CONFIG_CTRL_IFACE_BINDER */
char bridge_ifname[16];
+ struct wpa_ctrl *hostapd;
+
char *confname;
char *confanother;
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -2328,6 +2328,11 @@ static int hostapd_ctrl_iface_chan_switc
if (ret)
return ret;
+ if (os_strstr(pos, " auto-ht")) {
+ settings.freq_params.ht_enabled = iface->conf->ieee80211n;
+ settings.freq_params.vht_enabled = iface->conf->ieee80211ac;
+ }
+
for (i = 0; i < iface->num_bss; i++) {
/* Save CHAN_SWITCH VHT config */
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -1381,11 +1381,6 @@ int ieee802_11_set_beacon(struct hostapd
struct wpabuf *beacon, *proberesp, *assocresp;
int res, ret = -1;
- if (hapd->csa_in_progress) {
- wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
- return -1;
- }
-
hapd->beacon_set_done = 1;
if (ieee802_11_build_ap_params(hapd, ¶ms) < 0)
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -4469,6 +4469,13 @@ enum wpa_event_type {
EVENT_CH_SWITCH,
/**
+ * EVENT_CH_SWITCH - AP or GO will switch channels soon
+ *
+ * Described in wpa_event_data.ch_switch
+ * */
+ EVENT_CH_SWITCH_STARTED,
+
+ /**
* EVENT_WNM - Request WNM operation
*
* This event can be used to request a WNM operation to be performed.
@@ -5306,6 +5313,7 @@ union wpa_event_data {
/**
* struct ch_switch
+ * @count: countdown until channel switch
* @freq: Frequency of new channel in MHz
* @ht_enabled: Whether this is an HT channel
* @ch_offset: Secondary channel offset
@@ -5314,6 +5322,7 @@ union wpa_event_data {
* @cf2: Center frequency 2
*/
struct ch_switch {
+ int count;
int freq;
int ht_enabled;
int ch_offset;
--- a/src/drivers/driver_nl80211_event.c
+++ b/src/drivers/driver_nl80211_event.c
@@ -526,7 +526,8 @@ static int calculate_chan_offset(int wid
static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
struct nlattr *ifindex, struct nlattr *freq,
struct nlattr *type, struct nlattr *bw,
- struct nlattr *cf1, struct nlattr *cf2)
+ struct nlattr *cf1, struct nlattr *cf2,
+ struct nlattr *count)
{
struct i802_bss *bss;
union wpa_event_data data;
@@ -584,11 +585,15 @@ static void mlme_event_ch_switch(struct
data.ch_switch.cf1 = nla_get_u32(cf1);
if (cf2)
data.ch_switch.cf2 = nla_get_u32(cf2);
+ if (count)
+ data.ch_switch.count = nla_get_u32(count);
bss->freq = data.ch_switch.freq;
drv->assoc_freq = data.ch_switch.freq;
- wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
+ wpa_supplicant_event(bss->ctx,
+ count ? EVENT_CH_SWITCH_STARTED : EVENT_CH_SWITCH,
+ &data);
}
@@ -2446,6 +2451,7 @@ static void do_process_drv_event(struct
tb[NL80211_ATTR_PMK],
tb[NL80211_ATTR_PMKID]);
break;
+ case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
case NL80211_CMD_CH_SWITCH_NOTIFY:
mlme_event_ch_switch(drv,
tb[NL80211_ATTR_IFINDEX],
@@ -2453,7 +2459,8 @@ static void do_process_drv_event(struct
tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
tb[NL80211_ATTR_CHANNEL_WIDTH],
tb[NL80211_ATTR_CENTER_FREQ1],
- tb[NL80211_ATTR_CENTER_FREQ2]);
+ tb[NL80211_ATTR_CENTER_FREQ2],
+ tb[NL80211_ATTR_CH_SWITCH_COUNT]);
break;
case NL80211_CMD_DISCONNECT:
mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -4026,6 +4026,60 @@ static void wpas_event_assoc_reject(stru
}
+static void
+supplicant_ch_switch_started(struct wpa_supplicant *wpa_s,
+ union wpa_event_data *data)
+{
+ char buf[256];
+ size_t len = sizeof(buf);
+ char *cmd = NULL;
+ int width = 20;
+ int ret;
+
+ if (!wpa_s->hostapd)
+ return;
+
+ wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH
+ "count=%d freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
+ data->ch_switch.count,
+ data->ch_switch.freq,
+ data->ch_switch.ht_enabled,
+ data->ch_switch.ch_offset,
+ channel_width_to_string(data->ch_switch.ch_width),
+ data->ch_switch.cf1,
+ data->ch_switch.cf2);
+
+ switch (data->ch_switch.ch_width) {
+ case CHAN_WIDTH_20_NOHT:
+ case CHAN_WIDTH_20:
+ width = 20;
+ break;
+ case CHAN_WIDTH_40:
+ width = 40;
+ break;
+ case CHAN_WIDTH_80:
+ width = 80;
+ break;
+ case CHAN_WIDTH_160:
+ case CHAN_WIDTH_80P80:
+ width = 160;
+ break;
+ }
+
+ asprintf(&cmd, "CHAN_SWITCH %d %d sec_channel_offset=%d center_freq1=%d center_freq2=%d, bandwidth=%d auto-ht\n",
+ data->ch_switch.count - 1,
+ data->ch_switch.freq,
+ data->ch_switch.ch_offset,
+ data->ch_switch.cf1,
+ data->ch_switch.cf2,
+ width);
+ ret = wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL);
+ free(cmd);
+
+ if (ret < 0)
+ wpa_printf(MSG_ERROR, "\nFailed to reload hostapd AP interfaces\n");
+}
+
void supplicant_event(void *ctx, enum wpa_event_type event,
union wpa_event_data *data)
{
@@ -4309,6 +4363,10 @@ void supplicant_event(void *ctx, enum wp
data->rx_from_unknown.wds);
break;
#endif /* CONFIG_AP */
+ case EVENT_CH_SWITCH_STARTED:
+ supplicant_ch_switch_started(wpa_s, data);
+ break;
+
case EVENT_CH_SWITCH:
if (!data || !wpa_s->current_ssid)
break;