int (*set_wds_sta)(void *priv, const u8 *addr, int aid, int val);
/**
+ * send_action - Transmit an Action frame
+ * @priv: Private driver interface data
+ * @freq: Frequency (in MHz) of the channel
+ * @dst: Destination MAC address
+ * @src: Source MAC address
+ * @data: Frame body
+ * @data_len: data length in octets
+ * Returns: 0 on success, -1 on failure
+ *
+ * This command can be used to request the driver to transmit an action
+ * frame to the specified destination. If a remain-on-channel duration
+ * is in progress, the frame is transmitted on that channel. Otherwise,
+ * the frame is transmitted on the current operational channel if in
+ * associated state in station mode or if operating as an AP. If none
+ * of these conditions is in effect, send_action() cannot be used.
+ */
+ int (*send_action)(void *priv, unsigned int freq,
+ const u8 *dst, const u8 *src,
+ const u8 *data, size_t data_len);
+
+ /**
* alloc_interface_addr - Allocate a virtual interface address
* @priv: Private driver interface data
* @addr: Buffer for returning the address
void (*release_interface_addr)(void *priv, const u8 *addr);
/**
+ * remain_on_channel - Remain awake on a channel
+ * @priv: Private driver interface data
+ * @freq: Frequency (in MHz) of the channel
+ * @duration: Duration in milliseconds
+ * Returns: 0 on success, -1 on failure
+ *
+ * This command is used to request the driver to remain awake on the
+ * specified channel for the specified duration and report received
+ * Action frames with EVENT_RX_ACTION events. Optionally, received
+ * Probe Request frames may also be requested to be reported by calling
+ * probe_req_report(). These will be reported with EVENT_RX_PROBE_REQ.
+ *
+ * The driver may not be at the requested channel when this function
+ * returns, i.e., the return code is only indicating whether the
+ * request was accepted. The caller will need to wait until the
+ * EVENT_REMAIN_ON_CHANNEL event indicates that the driver has
+ * completed the channel change. This may take some time due to other
+ * need for the radio and the caller should be prepared to timing out
+ * its wait since there are no guarantees on when this request can be
+ * executed.
+ */
+ int (*remain_on_channel)(void *priv, unsigned int freq,
+ unsigned int duration);
+
+ /**
+ * cancel_remain_on_channel - Cancel remain-on-channel operation
+ * @priv: Private driver interface data
+ *
+ * This command can be used to cancel a remain-on-channel operation
+ * before its originally requested duration has passed. This could be
+ * used, e.g., when remain_on_channel() is used to request extra time
+ * to receive a response to an Action frame and the response is
+ * received when there is still unneeded time remaining on the
+ * remain-on-channel operation.
+ */
+ int (*cancel_remain_on_channel)(void *priv);
+
+ /**
* probe_req_report - Request Probe Request frames to be indicated
* @priv: Private driver interface data
* @report: Whether to report received Probe Request frames
EVENT_RX_MGMT,
/**
+ * EVENT_RX_ACTION - Action frame received
+ *
+ * This event is used to indicate when an Action frame has been
+ * received. Information about the received frame is included in
+ * union wpa_event_data::rx_action.
+ */
+ EVENT_RX_ACTION,
+
+ /**
+ * EVENT_REMAIN_ON_CHANNEL - Remain-on-channel duration started
+ *
+ * This event is used to indicate when the driver has started the
+ * requested remain-on-channel duration. Information about the
+ * operation is included in union wpa_event_data::remain_on_channel.
+ */
+ EVENT_REMAIN_ON_CHANNEL,
+
+ /**
+ * EVENT_CANCEL_REMAIN_ON_CHANNEL - Remain-on-channel timed out
+ *
+ * This event is used to indicate when the driver has completed
+ * remain-on-channel duration, i.e., may noot be available on the
+ * requested channel anymore. Information about the
+ * operation is included in union wpa_event_data::remain_on_channel.
+ */
+ EVENT_CANCEL_REMAIN_ON_CHANNEL,
+
+ /**
* EVENT_MLME_RX - Report reception of frame for MLME (test use only)
*
* This event is used only by driver_test.c and userspace MLME.
} rx_mgmt;
/**
+ * struct rx_action - Data for EVENT_RX_ACTION events
+ */
+ struct rx_action {
+ /**
+ * sa - Source address of the received Action frame
+ */
+ const u8 *sa;
+
+ /**
+ * category - Action frame category
+ */
+ u8 category;
+
+ /**
+ * data - Action frame body after category field
+ */
+ const u8 *data;
+
+ /**
+ * len - Length of data in octets
+ */
+ size_t len;
+
+ /**
+ * freq - Frequency (in MHz) on which the frame was received
+ */
+ int freq;
+ } rx_action;
+
+ /**
+ * struct remain_on_channel - Data for EVENT_REMAIN_ON_CHANNEL events
+ *
+ * This is also used with EVENT_CANCEL_REMAIN_ON_CHANNEL events.
+ */
+ struct remain_on_channel {
+ /**
+ * freq - Channel frequency in MHz
+ */
+ unsigned int freq;
+
+ /**
+ * duration - Duration to remain on the channel in milliseconds
+ */
+ unsigned int duration;
+ } remain_on_channel;
+
+ /**
* struct scan_info - Optional data for EVENT_SCAN_RESULTS events
* @aborted: Whether the scan was aborted
* @freqs: Scanned frequencies in MHz (%NULL = all channels scanned)
NULL /* set_ap_wps_ie */,
NULL /* set_supp_port */,
NULL /* set_wds_sta */,
+ NULL /* send_action */,
NULL /* alloc_interface_addr */,
NULL /* release_interface_addr */,
+ NULL /* remain_on_channel */,
+ NULL /* cancel_remain_on_channel */,
NULL /* probe_req_report */
};
int probe_req_report;
unsigned int beacon_set:1;
+ unsigned int pending_remain_on_chan:1;
+
+ u64 remain_on_chan_cookie;
#ifdef HOSTAPD
int eapol_sock; /* socket for EAPOL frames */
}
+static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
+ int cancel_event, struct nlattr *tb[])
+{
+ unsigned int freq, chan_type, duration;
+ union wpa_event_data data;
+ u64 cookie;
+
+ if (tb[NL80211_ATTR_WIPHY_FREQ])
+ freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
+ else
+ freq = 0;
+
+ if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
+ chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ else
+ chan_type = 0;
+
+ if (tb[NL80211_ATTR_DURATION])
+ duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
+ else
+ duration = 0;
+
+ if (tb[NL80211_ATTR_COOKIE])
+ cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
+ else
+ cookie = 0;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
+ "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
+ cancel_event, freq, chan_type, duration,
+ (long long unsigned int) cookie,
+ cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
+
+ if (cookie != drv->remain_on_chan_cookie)
+ return; /* not for us */
+
+ drv->pending_remain_on_chan = !cancel_event;
+
+ os_memset(&data, 0, sizeof(data));
+ data.remain_on_channel.freq = freq;
+ data.remain_on_channel.duration = duration;
+ wpa_supplicant_event(drv->ctx, cancel_event ?
+ EVENT_CANCEL_REMAIN_ON_CHANNEL :
+ EVENT_REMAIN_ON_CHANNEL, &data);
+}
+
+
static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
struct nlattr *tb[])
{
case NL80211_CMD_JOIN_IBSS:
mlme_event_join_ibss(drv, tb);
break;
+ case NL80211_CMD_REMAIN_ON_CHANNEL:
+ mlme_event_remain_on_channel(drv, 0, tb);
+ break;
+ case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
+ mlme_event_remain_on_channel(drv, 1, tb);
+ break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", gnlh->cmd);
}
+static int cookie_handler(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ u64 *cookie = arg;
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+ if (tb[NL80211_ATTR_COOKIE])
+ *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
+ return NL_SKIP;
+}
+
+
+static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
+ unsigned int duration)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct nl_msg *msg;
+ int ret;
+ u64 cookie;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_REMAIN_ON_CHANNEL, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
+
+ cookie = 0;
+ ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+ if (ret == 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
+ "0x%llx for freq=%u MHz duration=%u",
+ (long long unsigned int) cookie, freq, duration);
+ drv->remain_on_chan_cookie = cookie;
+ return 0;
+ }
+ wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
+ "(freq=%d): %d (%s)", freq, ret, strerror(-ret));
+nla_put_failure:
+ return -1;
+}
+
+
+static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct nl_msg *msg;
+ int ret;
+
+ if (!drv->pending_remain_on_chan) {
+ wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
+ "to cancel");
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
+ "0x%llx",
+ (long long unsigned int) drv->remain_on_chan_cookie);
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (ret == 0)
+ return 0;
+ wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
+ "%d (%s)", ret, strerror(-ret));
+nla_put_failure:
+ return -1;
+}
+
+
static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx,
void *timeout_ctx)
{
.set_sta_vlan = i802_set_sta_vlan,
.set_wds_sta = i802_set_wds_sta,
#endif /* HOSTAPD */
+ .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
+ .cancel_remain_on_channel =
+ wpa_driver_nl80211_cancel_remain_on_channel,
.probe_req_report = wpa_driver_nl80211_probe_req_report,
.alloc_interface_addr = wpa_driver_nl80211_alloc_interface_addr,
.release_interface_addr = wpa_driver_nl80211_release_interface_addr,
int alloc_iface_idx;
int probe_req_report;
+ unsigned int remain_on_channel_freq;
+ unsigned int remain_on_channel_duration;
+
+ int current_freq;
};
const char *dir, int ap);
static void wpa_driver_test_close_test_socket(
struct wpa_driver_test_data *drv);
+static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx);
static void test_driver_free_bss(struct test_driver_bss *bss)
wpa_driver_test_close_test_socket(drv);
eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
+ eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
os_free(drv->test_dir);
for (i = 0; i < MAX_SCAN_RESULTS; i++)
os_free(drv->scanres[i]);
enum hostapd_hw_mode phymode,
int chan, int freq)
{
+ struct wpa_driver_test_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
__func__, phymode, chan, freq);
+ drv->current_freq = freq;
return 0;
}
}
+static int wpa_driver_test_set_freq(void *priv,
+ struct hostapd_freq_params *freq)
+{
+ struct wpa_driver_test_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "test: set_freq %u MHz", freq->freq);
+ drv->current_freq = freq->freq;
+ return 0;
+}
+
+
+static int wpa_driver_test_send_action(void *priv, unsigned int freq,
+ const u8 *dst, const u8 *src,
+ const u8 *data, size_t data_len)
+{
+ struct wpa_driver_test_data *drv = priv;
+ int ret = -1;
+ u8 *buf;
+ struct ieee80211_hdr *hdr;
+
+ wpa_printf(MSG_DEBUG, "test: Send Action frame");
+
+ if ((drv->remain_on_channel_freq &&
+ freq != drv->remain_on_channel_freq) ||
+ (drv->remain_on_channel_freq == 0 &&
+ freq != (unsigned int) drv->current_freq)) {
+ wpa_printf(MSG_DEBUG, "test: Reject Action frame TX on "
+ "unexpected channel: freq=%u MHz (current_freq=%u "
+ "MHz, remain-on-channel freq=%u MHz)",
+ freq, drv->current_freq,
+ drv->remain_on_channel_freq);
+ return -1;
+ }
+
+ buf = os_zalloc(24 + data_len);
+ if (buf == NULL)
+ return ret;
+ os_memcpy(buf + 24, data, data_len);
+ hdr = (struct ieee80211_hdr *) buf;
+ hdr->frame_control =
+ IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
+ os_memcpy(hdr->addr1, dst, ETH_ALEN);
+ os_memcpy(hdr->addr2, src, ETH_ALEN);
+ os_memcpy(hdr->addr3, "\xff\xff\xff\xff\xff\xff", ETH_ALEN);
+
+ ret = wpa_driver_test_send_mlme(priv, buf, 24 + data_len);
+ os_free(buf);
+ return ret;
+}
+
+
static int wpa_driver_test_alloc_interface_addr(void *priv, u8 *addr)
{
struct wpa_driver_test_data *drv = priv;
}
+static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_driver_test_data *drv = eloop_ctx;
+ union wpa_event_data data;
+
+ wpa_printf(MSG_DEBUG, "test: Remain-on-channel timeout");
+
+ os_memset(&data, 0, sizeof(data));
+ data.remain_on_channel.freq = drv->remain_on_channel_freq;
+ data.remain_on_channel.duration = drv->remain_on_channel_duration;
+ wpa_supplicant_event(drv->ctx, EVENT_CANCEL_REMAIN_ON_CHANNEL, &data);
+
+ drv->remain_on_channel_freq = 0;
+}
+
+
+static int wpa_driver_test_remain_on_channel(void *priv, unsigned int freq,
+ unsigned int duration)
+{
+ struct wpa_driver_test_data *drv = priv;
+ union wpa_event_data data;
+
+ wpa_printf(MSG_DEBUG, "%s(freq=%u, duration=%u)",
+ __func__, freq, duration);
+ if (drv->remain_on_channel_freq &&
+ drv->remain_on_channel_freq != freq) {
+ wpa_printf(MSG_DEBUG, "test: Refuse concurrent "
+ "remain_on_channel request");
+ return -1;
+ }
+
+ drv->remain_on_channel_freq = freq;
+ drv->remain_on_channel_duration = duration;
+ eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
+ eloop_register_timeout(duration / 1000, (duration % 1000) * 1000,
+ test_remain_on_channel_timeout, drv, NULL);
+
+ os_memset(&data, 0, sizeof(data));
+ data.remain_on_channel.freq = freq;
+ data.remain_on_channel.duration = duration;
+ wpa_supplicant_event(drv->ctx, EVENT_REMAIN_ON_CHANNEL, &data);
+
+ return 0;
+}
+
+
+static int wpa_driver_test_cancel_remain_on_channel(void *priv)
+{
+ struct wpa_driver_test_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "%s", __func__);
+ if (!drv->remain_on_channel_freq)
+ return -1;
+ drv->remain_on_channel_freq = 0;
+ eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
+ return 0;
+}
+
+
static int wpa_driver_test_probe_req_report(void *priv, int report)
{
struct wpa_driver_test_data *drv = priv;
.init2 = wpa_driver_test_init2,
.get_interfaces = wpa_driver_test_get_interfaces,
.scan2 = wpa_driver_test_scan,
+ .set_freq = wpa_driver_test_set_freq,
+ .send_action = wpa_driver_test_send_action,
.alloc_interface_addr = wpa_driver_test_alloc_interface_addr,
.release_interface_addr = wpa_driver_test_release_interface_addr,
+ .remain_on_channel = wpa_driver_test_remain_on_channel,
+ .cancel_remain_on_channel = wpa_driver_test_cancel_remain_on_channel,
.probe_req_report = wpa_driver_test_probe_req_report,
};
return 0;
}
+static inline int wpa_drv_send_action(struct wpa_supplicant *wpa_s,
+ unsigned int freq,
+ const u8 *dst, const u8 *src,
+ const u8 *data, size_t data_len)
+{
+ if (wpa_s->driver->send_action)
+ return wpa_s->driver->send_action(wpa_s->drv_priv, freq,
+ dst, src, data, data_len);
+ return -1;
+}
+
static inline int wpa_drv_alloc_interface_addr(struct wpa_supplicant *wpa_s,
u8 *addr)
{
wpa_s->driver->release_interface_addr(wpa_s->drv_priv, addr);
}
+static inline int wpa_drv_remain_on_channel(struct wpa_supplicant *wpa_s,
+ unsigned int freq,
+ unsigned int duration)
+{
+ if (wpa_s->driver->remain_on_channel)
+ return wpa_s->driver->remain_on_channel(wpa_s->drv_priv, freq,
+ duration);
+ return -1;
+}
+
+static inline int wpa_drv_cancel_remain_on_channel(
+ struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->driver->cancel_remain_on_channel)
+ return wpa_s->driver->cancel_remain_on_channel(
+ wpa_s->drv_priv);
+ return -1;
+}
+
static inline int wpa_drv_probe_req_report(struct wpa_supplicant *wpa_s,
int report)
{
projects / libeap.git / commitdiff