Cumulative patch from commit 107a89448c8a127e9131bc9288b9093720b87781
107a894 P2P: Clean up wpas_p2p_setup_freqs() debug message
7d669cf P2P: Clean up wpas_p2p_init_go_params()
384bdd0 P2P: Prefer VHT channels for initial pick
a30d50b P2P: Prefer HT40 channels for initial pick
f240710 P2P: Prefer 5 GHz channels for initial pick
b2d4aaa P2P: Select VHT channel at random instead of using the first entry
ee8f6ea P2P: Select HT40 channel at random instead of using the first entry
5576663 P2P: Move random channel selection into a helper function
b17d89b P2P: Fix channel selection for MCC case
f86d282 Handle legacy scan interruption of sched_scan/PNO
334bf36 Add chan_switch to ctrl interface of wpa_supplicant and hostapd
bf281c1 Add AP channel switch mechanism
e44a384 Move AP parameter filling into a helper function
1c4ffa8 nl80211: Add channel switch implementation
dcca221 wpa_supplicant: Update channel switch driver interface
e1925bd eloop: Remove eloop_none.c
3505743 Sync with wireless-testing.git include/uapi/linux/nl80211.h
f6c2b8c Android: Add state message sent after 'status' command
6b49907 Android: Add SSID in supplicant change event
22cf7d7 SCARD: Clean up SIM/USIM selection
cea97a0 dbus_new: Add DBus TDLS methods
cc4952a Request new scan only for the original interface
fa58da2 Remove old mechanism of skipping scan request rescheduling
e2f5a98 Deplete scan request if new time is less than remaining
dcd25d4 P2P: Use negotiated channel from invitation for persistent GO
800d587 TDLS: Provide external control to specify the peers for setup
795baf7 hostapd: Filter channel list updated events after country code change
146fa9b nl80211: Do not force interface down on deinit
49b4b20 nl80211: Do not for station mode on hostapd deinit
04eff7d nl80211: Remove build time condition on HOSTAPD define
0d547d5 nl80211: Share more code between hostapd and wpa_supplicant
7b7de4c nl80211: Remove read-only last_freq/last_freq_ht
Change-Id: Idba1eb8d63480fbc30eee11d0d8e189ccc49ddd3
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
index ce2bb91..1eab939 100644
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -257,4 +257,13 @@
return hapd->driver->get_radio_name(hapd->drv_priv);
}
+static inline int hostapd_drv_switch_channel(struct hostapd_data *hapd,
+ struct csa_settings *settings)
+{
+ if (hapd->driver == NULL || hapd->driver->switch_channel == NULL)
+ return -ENOTSUP;
+
+ return hapd->driver->switch_channel(hapd->drv_priv, settings);
+}
+
#endif /* AP_DRV_OPS */
diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 6c8b78f..298c0fa 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -203,13 +203,34 @@
}
+static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
+{
+ u8 chan;
+
+ if (!hapd->iface->cs_freq)
+ return eid;
+
+ if (ieee80211_freq_to_chan(hapd->iface->cs_freq, &chan) ==
+ NUM_HOSTAPD_MODES)
+ return eid;
+
+ *eid++ = WLAN_EID_CHANNEL_SWITCH;
+ *eid++ = 3;
+ *eid++ = hapd->iface->cs_block_tx;
+ *eid++ = chan;
+ *eid++ = hapd->iface->cs_count;
+
+ return eid;
+}
+
+
static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
struct sta_info *sta,
const struct ieee80211_mgmt *req,
int is_p2p, size_t *resp_len)
{
struct ieee80211_mgmt *resp;
- u8 *pos, *epos;
+ u8 *pos, *epos, *old_pos;
size_t buflen;
#define MAX_PROBERESP_LEN 768
@@ -283,6 +304,13 @@
pos = hostapd_eid_adv_proto(hapd, pos);
pos = hostapd_eid_roaming_consortium(hapd, pos);
+ old_pos = pos;
+ pos = hostapd_eid_csa(hapd, pos);
+
+ /* save an offset to the counter - should be last byte */
+ hapd->iface->cs_c_off_proberesp = (pos != old_pos) ?
+ pos - (u8 *) resp - 1 : 0;
+
#ifdef CONFIG_IEEE80211AC
pos = hostapd_eid_vht_capabilities(hapd, pos);
pos = hostapd_eid_vht_operation(hapd, pos);
@@ -588,23 +616,17 @@
#endif /* NEED_AP_MLME */
-void ieee802_11_set_beacon(struct hostapd_data *hapd)
+int ieee802_11_build_ap_params(struct hostapd_data *hapd,
+ struct wpa_driver_ap_params *params)
{
struct ieee80211_mgmt *head = NULL;
u8 *tail = NULL;
size_t head_len = 0, tail_len = 0;
u8 *resp = NULL;
size_t resp_len = 0;
- struct wpa_driver_ap_params params;
- struct wpabuf *beacon, *proberesp, *assocresp;
#ifdef NEED_AP_MLME
u16 capab_info;
- u8 *pos, *tailpos;
-#endif /* NEED_AP_MLME */
-
- hapd->beacon_set_done = 1;
-
-#ifdef NEED_AP_MLME
+ u8 *pos, *tailpos, *old_pos;
#define BEACON_HEAD_BUF_SIZE 256
#define BEACON_TAIL_BUF_SIZE 512
@@ -625,7 +647,7 @@
wpa_printf(MSG_ERROR, "Failed to set beacon data");
os_free(head);
os_free(tail);
- return;
+ return -1;
}
head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
@@ -699,6 +721,10 @@
tailpos = hostapd_eid_interworking(hapd, tailpos);
tailpos = hostapd_eid_adv_proto(hapd, tailpos);
tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
+ old_pos = tailpos;
+ tailpos = hostapd_eid_csa(hapd, tailpos);
+ hapd->iface->cs_c_off_beacon = (old_pos != tailpos) ?
+ tailpos - tail - 1 : 0;
#ifdef CONFIG_IEEE80211AC
tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
@@ -744,76 +770,108 @@
resp = hostapd_probe_resp_offloads(hapd, &resp_len);
#endif /* NEED_AP_MLME */
- os_memset(¶ms, 0, sizeof(params));
- params.head = (u8 *) head;
- params.head_len = head_len;
- params.tail = tail;
- params.tail_len = tail_len;
- params.proberesp = resp;
- params.proberesp_len = resp_len;
- params.dtim_period = hapd->conf->dtim_period;
- params.beacon_int = hapd->iconf->beacon_int;
- params.basic_rates = hapd->iface->basic_rates;
- params.ssid = hapd->conf->ssid.ssid;
- params.ssid_len = hapd->conf->ssid.ssid_len;
- params.pairwise_ciphers = hapd->conf->rsn_pairwise ?
+ os_memset(params, 0, sizeof(*params));
+ params->head = (u8 *) head;
+ params->head_len = head_len;
+ params->tail = tail;
+ params->tail_len = tail_len;
+ params->proberesp = resp;
+ params->proberesp_len = resp_len;
+ params->dtim_period = hapd->conf->dtim_period;
+ params->beacon_int = hapd->iconf->beacon_int;
+ params->basic_rates = hapd->iface->basic_rates;
+ params->ssid = hapd->conf->ssid.ssid;
+ params->ssid_len = hapd->conf->ssid.ssid_len;
+ params->pairwise_ciphers = hapd->conf->rsn_pairwise ?
hapd->conf->rsn_pairwise : hapd->conf->wpa_pairwise;
- params.group_cipher = hapd->conf->wpa_group;
- params.key_mgmt_suites = hapd->conf->wpa_key_mgmt;
- params.auth_algs = hapd->conf->auth_algs;
- params.wpa_version = hapd->conf->wpa;
- params.privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa ||
+ params->group_cipher = hapd->conf->wpa_group;
+ params->key_mgmt_suites = hapd->conf->wpa_key_mgmt;
+ params->auth_algs = hapd->conf->auth_algs;
+ params->wpa_version = hapd->conf->wpa;
+ params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa ||
(hapd->conf->ieee802_1x &&
(hapd->conf->default_wep_key_len ||
hapd->conf->individual_wep_key_len));
switch (hapd->conf->ignore_broadcast_ssid) {
case 0:
- params.hide_ssid = NO_SSID_HIDING;
+ params->hide_ssid = NO_SSID_HIDING;
break;
case 1:
- params.hide_ssid = HIDDEN_SSID_ZERO_LEN;
+ params->hide_ssid = HIDDEN_SSID_ZERO_LEN;
break;
case 2:
- params.hide_ssid = HIDDEN_SSID_ZERO_CONTENTS;
+ params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS;
break;
}
- hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp);
- params.beacon_ies = beacon;
- params.proberesp_ies = proberesp;
- params.assocresp_ies = assocresp;
- params.isolate = hapd->conf->isolate;
+ params->isolate = hapd->conf->isolate;
#ifdef NEED_AP_MLME
- params.cts_protect = !!(ieee802_11_erp_info(hapd) &
+ params->cts_protect = !!(ieee802_11_erp_info(hapd) &
ERP_INFO_USE_PROTECTION);
- params.preamble = hapd->iface->num_sta_no_short_preamble == 0 &&
+ params->preamble = hapd->iface->num_sta_no_short_preamble == 0 &&
hapd->iconf->preamble == SHORT_PREAMBLE;
if (hapd->iface->current_mode &&
hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
- params.short_slot_time =
+ params->short_slot_time =
hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1;
else
- params.short_slot_time = -1;
+ params->short_slot_time = -1;
if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
- params.ht_opmode = -1;
+ params->ht_opmode = -1;
else
- params.ht_opmode = hapd->iface->ht_op_mode;
+ params->ht_opmode = hapd->iface->ht_op_mode;
#endif /* NEED_AP_MLME */
- params.interworking = hapd->conf->interworking;
+ params->interworking = hapd->conf->interworking;
if (hapd->conf->interworking &&
!is_zero_ether_addr(hapd->conf->hessid))
- params.hessid = hapd->conf->hessid;
- params.access_network_type = hapd->conf->access_network_type;
- params.ap_max_inactivity = hapd->conf->ap_max_inactivity;
+ params->hessid = hapd->conf->hessid;
+ params->access_network_type = hapd->conf->access_network_type;
+ params->ap_max_inactivity = hapd->conf->ap_max_inactivity;
#ifdef CONFIG_HS20
- params.disable_dgaf = hapd->conf->disable_dgaf;
+ params->disable_dgaf = hapd->conf->disable_dgaf;
#endif /* CONFIG_HS20 */
+ return 0;
+}
+
+
+void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params)
+{
+ os_free(params->tail);
+ params->tail = NULL;
+ os_free(params->head);
+ params->head = NULL;
+ os_free(params->proberesp);
+ params->proberesp = NULL;
+}
+
+
+void ieee802_11_set_beacon(struct hostapd_data *hapd)
+{
+ struct wpa_driver_ap_params params;
+ struct wpabuf *beacon, *proberesp, *assocresp;
+
+ if (hapd->iface->csa_in_progress) {
+ wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
+ return;
+ }
+
+ hapd->beacon_set_done = 1;
+
+ if (ieee802_11_build_ap_params(hapd, ¶ms) < 0)
+ return;
+
+ if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
+ 0)
+ goto fail;
+
+ params.beacon_ies = beacon;
+ params.proberesp_ies = proberesp;
+ params.assocresp_ies = assocresp;
+
if (hostapd_drv_set_ap(hapd, ¶ms))
wpa_printf(MSG_ERROR, "Failed to set beacon parameters");
hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
-
- os_free(tail);
- os_free(head);
- os_free(resp);
+fail:
+ ieee802_11_free_ap_params(¶ms);
}
diff --git a/src/ap/beacon.h b/src/ap/beacon.h
index 37f10d2..a04a829 100644
--- a/src/ap/beacon.h
+++ b/src/ap/beacon.h
@@ -24,5 +24,8 @@
void ieee802_11_set_beacon(struct hostapd_data *hapd);
void ieee802_11_set_beacons(struct hostapd_iface *iface);
void ieee802_11_update_beacons(struct hostapd_iface *iface);
+int ieee802_11_build_ap_params(struct hostapd_data *hapd,
+ struct wpa_driver_ap_params *params);
+void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params);
#endif /* BEACON_H */
diff --git a/src/ap/ctrl_iface_ap.c b/src/ap/ctrl_iface_ap.c
index 5d99566..ac33068 100644
--- a/src/ap/ctrl_iface_ap.c
+++ b/src/ap/ctrl_iface_ap.c
@@ -380,3 +380,46 @@
return len;
}
+
+
+int hostapd_parse_csa_settings(const char *pos,
+ struct csa_settings *settings)
+{
+ char *end;
+
+ if (!settings)
+ return -1;
+
+ os_memset(settings, 0, sizeof(*settings));
+ settings->cs_count = strtol(pos, &end, 10);
+ if (pos == end) {
+ wpa_printf(MSG_ERROR, "chanswitch: invalid cs_count provided");
+ return -1;
+ }
+
+ settings->freq_params.freq = atoi(end);
+ if (settings->freq_params.freq == 0) {
+ wpa_printf(MSG_ERROR, "chanswitch: invalid freq provided");
+ return -1;
+ }
+
+#define SET_CSA_SETTING(str) \
+ do { \
+ const char *pos2 = os_strstr(pos, " " #str "="); \
+ if (pos2) { \
+ pos2 += sizeof(" " #str "=") - 1; \
+ settings->freq_params.str = atoi(pos2); \
+ } \
+ } while (0)
+
+ SET_CSA_SETTING(center_freq1);
+ SET_CSA_SETTING(center_freq2);
+ SET_CSA_SETTING(bandwidth);
+ SET_CSA_SETTING(sec_channel_offset);
+ settings->freq_params.ht_enabled = !!os_strstr(pos, " ht");
+ settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
+ settings->block_tx = !!os_strstr(pos, " blocktx");
+#undef SET_CSA_SETTING
+
+ return 0;
+}
diff --git a/src/ap/ctrl_iface_ap.h b/src/ap/ctrl_iface_ap.h
index a22a2a7..ee58b4c 100644
--- a/src/ap/ctrl_iface_ap.h
+++ b/src/ap/ctrl_iface_ap.h
@@ -21,5 +21,8 @@
const char *txtaddr);
int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
size_t buflen);
+int hostapd_parse_csa_settings(const char *pos,
+ struct csa_settings *settings);
+
#endif /* CTRL_IFACE_AP_H */
diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
index 0f4b12e..1b69ba8 100644
--- a/src/ap/drv_callbacks.c
+++ b/src/ap/drv_callbacks.c
@@ -403,6 +403,13 @@
hapd->iconf->channel = channel;
hapd->iconf->ieee80211n = ht;
hapd->iconf->secondary_channel = offset;
+
+ if (hapd->iface->csa_in_progress && freq == hapd->iface->cs_freq) {
+ hostapd_cleanup_cs_params(hapd);
+
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d",
+ freq);
+ }
#endif /* NEED_AP_MLME */
}
@@ -1007,7 +1014,8 @@
/* TODO: check this. hostapd_get_hw_features() initializes
* too much stuff. */
/* hostapd_get_hw_features(hapd->iface); */
- hostapd_channel_list_updated(hapd->iface);
+ hostapd_channel_list_updated(
+ hapd->iface, data->channel_list_changed.initiator);
break;
#endif /* NEED_AP_MLME */
default:
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 60224cc..51b1035 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -961,9 +961,9 @@
}
-void hostapd_channel_list_updated(struct hostapd_iface *iface)
+void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator)
{
- if (!iface->wait_channel_update)
+ if (!iface->wait_channel_update || initiator != REGDOM_SET_BY_USER)
return;
wpa_printf(MSG_DEBUG, "Channel list updated - continue setup");
@@ -2014,3 +2014,230 @@
hostapd_state_text(s));
iface->state = s;
}
+
+
+#ifdef NEED_AP_MLME
+
+static void free_beacon_data(struct beacon_data *beacon)
+{
+ os_free(beacon->head);
+ beacon->head = NULL;
+ os_free(beacon->tail);
+ beacon->tail = NULL;
+ os_free(beacon->probe_resp);
+ beacon->probe_resp = NULL;
+ os_free(beacon->beacon_ies);
+ beacon->beacon_ies = NULL;
+ os_free(beacon->proberesp_ies);
+ beacon->proberesp_ies = NULL;
+ os_free(beacon->assocresp_ies);
+ beacon->assocresp_ies = NULL;
+}
+
+
+static int hostapd_build_beacon_data(struct hostapd_iface *iface,
+ struct beacon_data *beacon)
+{
+ struct wpabuf *beacon_extra, *proberesp_extra, *assocresp_extra;
+ struct wpa_driver_ap_params params;
+ int ret;
+ struct hostapd_data *hapd = iface->bss[0];
+
+ ret = ieee802_11_build_ap_params(hapd, ¶ms);
+ if (ret < 0)
+ return ret;
+
+ ret = hostapd_build_ap_extra_ies(hapd, &beacon_extra,
+ &proberesp_extra,
+ &assocresp_extra);
+ if (ret)
+ goto free_ap_params;
+
+ ret = -1;
+ beacon->head = os_malloc(params.head_len);
+ if (!beacon->head)
+ goto free_ap_extra_ies;
+
+ os_memcpy(beacon->head, params.head, params.head_len);
+ beacon->head_len = params.head_len;
+
+ beacon->tail = os_malloc(params.tail_len);
+ if (!beacon->tail)
+ goto free_beacon;
+
+ os_memcpy(beacon->tail, params.tail, params.tail_len);
+ beacon->tail_len = params.tail_len;
+
+ if (params.proberesp != NULL) {
+ beacon->probe_resp = os_malloc(params.proberesp_len);
+ if (!beacon->probe_resp)
+ goto free_beacon;
+
+ os_memcpy(beacon->probe_resp, params.proberesp,
+ params.proberesp_len);
+ beacon->probe_resp_len = params.proberesp_len;
+ }
+
+ /* copy the extra ies */
+ if (beacon_extra) {
+ beacon->beacon_ies = os_malloc(wpabuf_len(beacon_extra));
+ if (!beacon->beacon_ies)
+ goto free_beacon;
+
+ os_memcpy(beacon->beacon_ies,
+ beacon_extra->buf, wpabuf_len(beacon_extra));
+ beacon->beacon_ies_len = wpabuf_len(beacon_extra);
+ }
+
+ if (proberesp_extra) {
+ beacon->proberesp_ies =
+ os_malloc(wpabuf_len(proberesp_extra));
+ if (!beacon->proberesp_ies)
+ goto free_beacon;
+
+ os_memcpy(beacon->proberesp_ies, proberesp_extra->buf,
+ wpabuf_len(proberesp_extra));
+ beacon->proberesp_ies_len = wpabuf_len(proberesp_extra);
+ }
+
+ if (assocresp_extra) {
+ beacon->assocresp_ies =
+ os_malloc(wpabuf_len(assocresp_extra));
+ if (!beacon->assocresp_ies)
+ goto free_beacon;
+
+ os_memcpy(beacon->assocresp_ies, assocresp_extra->buf,
+ wpabuf_len(assocresp_extra));
+ beacon->assocresp_ies_len = wpabuf_len(assocresp_extra);
+ }
+
+ ret = 0;
+free_beacon:
+ /* if the function fails, the caller should not free beacon data */
+ if (ret)
+ free_beacon_data(beacon);
+
+free_ap_extra_ies:
+ hostapd_free_ap_extra_ies(hapd, beacon_extra, proberesp_extra,
+ assocresp_extra);
+free_ap_params:
+ ieee802_11_free_ap_params(¶ms);
+ return ret;
+}
+
+
+/*
+ * TODO: This flow currently supports only changing frequency within the
+ * same hw_mode. Any other changes to MAC parameters or provided settings (even
+ * width) are not supported.
+ */
+static int hostapd_change_config_freq(struct hostapd_data *hapd,
+ struct hostapd_config *conf,
+ struct hostapd_freq_params *params,
+ struct hostapd_freq_params *old_params)
+{
+ int channel;
+
+ if (!params->channel) {
+ /* check if the new channel is supported by hw */
+ channel = hostapd_hw_get_channel(hapd, params->freq);
+ if (!channel)
+ return -1;
+ } else {
+ channel = params->channel;
+ }
+
+ /* if a pointer to old_params is provided we save previous state */
+ if (old_params) {
+ old_params->channel = conf->channel;
+ old_params->ht_enabled = conf->ieee80211n;
+ old_params->sec_channel_offset = conf->secondary_channel;
+ }
+
+ conf->channel = channel;
+ conf->ieee80211n = params->ht_enabled;
+ conf->secondary_channel = params->sec_channel_offset;
+
+ /* TODO: maybe call here hostapd_config_check here? */
+
+ return 0;
+}
+
+
+static int hostapd_fill_csa_settings(struct hostapd_iface *iface,
+ struct csa_settings *settings)
+{
+ struct hostapd_freq_params old_freq;
+ int ret;
+
+ os_memset(&old_freq, 0, sizeof(old_freq));
+ if (!iface || !iface->freq || iface->csa_in_progress)
+ return -1;
+
+ ret = hostapd_change_config_freq(iface->bss[0], iface->conf,
+ &settings->freq_params,
+ &old_freq);
+ if (ret)
+ return ret;
+
+ ret = hostapd_build_beacon_data(iface, &settings->beacon_after);
+
+ /* change back the configuration */
+ hostapd_change_config_freq(iface->bss[0], iface->conf,
+ &old_freq, NULL);
+
+ if (ret)
+ return ret;
+
+ /* set channel switch parameters for csa ie */
+ iface->cs_freq = settings->freq_params.freq;
+ iface->cs_count = settings->cs_count;
+ iface->cs_block_tx = settings->block_tx;
+
+ ret = hostapd_build_beacon_data(iface, &settings->beacon_csa);
+ if (ret) {
+ free_beacon_data(&settings->beacon_after);
+ return ret;
+ }
+
+ settings->counter_offset_beacon = iface->cs_c_off_beacon;
+ settings->counter_offset_presp = iface->cs_c_off_proberesp;
+
+ return 0;
+}
+
+
+void hostapd_cleanup_cs_params(struct hostapd_data *hapd)
+{
+ hapd->iface->cs_freq = 0;
+ hapd->iface->cs_count = 0;
+ hapd->iface->cs_block_tx = 0;
+ hapd->iface->cs_c_off_beacon = 0;
+ hapd->iface->cs_c_off_proberesp = 0;
+ hapd->iface->csa_in_progress = 0;
+}
+
+
+int hostapd_switch_channel(struct hostapd_data *hapd,
+ struct csa_settings *settings)
+{
+ int ret;
+ ret = hostapd_fill_csa_settings(hapd->iface, settings);
+ if (ret)
+ return ret;
+
+ ret = hostapd_drv_switch_channel(hapd, settings);
+ free_beacon_data(&settings->beacon_csa);
+ free_beacon_data(&settings->beacon_after);
+
+ if (ret) {
+ /* if we failed, clean cs parameters */
+ hostapd_cleanup_cs_params(hapd);
+ return ret;
+ }
+
+ hapd->iface->csa_in_progress = 1;
+ return 0;
+}
+
+#endif /* NEED_AP_MLME */
diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
index 1887531..3dac6ea 100644
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -27,6 +27,8 @@
struct hostapd_iface;
struct hostapd_dynamic_iface;
+struct csa_settings;
+
struct hapd_interfaces {
int (*reload_config)(struct hostapd_iface *iface);
struct hostapd_config * (*config_read_cb)(const char *config_fname);
@@ -332,6 +334,14 @@
/* lowest observed noise floor in dBm */
s8 lowest_nf;
+ /* channel switch parameters */
+ int cs_freq;
+ u8 cs_count;
+ int cs_block_tx;
+ unsigned int cs_c_off_beacon;
+ unsigned int cs_c_off_proberesp;
+ int csa_in_progress;
+
#ifdef CONFIG_ACS
unsigned int acs_num_completed_scans;
#endif /* CONFIG_ACS */
@@ -375,9 +385,12 @@
int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
-void hostapd_channel_list_updated(struct hostapd_iface *iface);
+void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
const char * hostapd_state_text(enum hostapd_iface_state s);
+int hostapd_switch_channel(struct hostapd_data *hapd,
+ struct csa_settings *settings);
+void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
/* utils.c */
int hostapd_register_probereq_cb(struct hostapd_data *hapd,