Exemplo n.º 1
0
static struct wmm_ac_addts_request *
wmm_ac_build_addts_req(struct wpa_supplicant *wpa_s,
		       const struct wmm_ac_ts_setup_params *params,
		       const u8 *address)
{
	struct wmm_ac_addts_request *addts_req;
	struct wmm_tspec_element *tspec;
	u8 ac = up_to_ac[params->user_priority];
	u8 uapsd = wpa_s->wmm_ac_assoc_info->ac_params[ac].uapsd;

	addts_req = os_zalloc(sizeof(*addts_req));
	if (!addts_req)
		return NULL;

	tspec = &addts_req->tspec;
	os_memcpy(addts_req->address, address, ETH_ALEN);

	/* The dialog token cannot be zero */
	if (++wpa_s->wmm_ac_last_dialog_token == 0)
		wpa_s->wmm_ac_last_dialog_token++;

	addts_req->dialog_token = wpa_s->wmm_ac_last_dialog_token;
	tspec->eid = WLAN_EID_VENDOR_SPECIFIC;
	tspec->length = sizeof(*tspec) - 2; /* reduce eid and length */
	tspec->oui[0] = 0x00;
	tspec->oui[1] = 0x50;
	tspec->oui[2] = 0xf2;
	tspec->oui_type = WMM_OUI_TYPE;
	tspec->oui_subtype = WMM_OUI_SUBTYPE_TSPEC_ELEMENT;
	tspec->version = WMM_VERSION;

	tspec->ts_info[0] = params->tsid << 1;
	tspec->ts_info[0] |= params->direction << 5;
	tspec->ts_info[0] |= WMM_AC_ACCESS_POLICY_EDCA << 7;
	tspec->ts_info[1] = uapsd << 2;
	tspec->ts_info[1] |= params->user_priority << 3;
	tspec->ts_info[2] = 0;

	tspec->nominal_msdu_size = host_to_le16(params->nominal_msdu_size);
	if (params->fixed_nominal_msdu)
		tspec->nominal_msdu_size |=
			host_to_le16(WMM_AC_FIXED_MSDU_SIZE);

	tspec->mean_data_rate = host_to_le32(params->mean_data_rate);
	tspec->minimum_phy_rate = host_to_le32(params->minimum_phy_rate);
	tspec->surplus_bandwidth_allowance =
		host_to_le16(params->surplus_bandwidth_allowance);

	return addts_req;
}
Exemplo n.º 2
0
int fst_test_req_send_fst_request(const char *params)
{
	int fsts_id;
	Boolean is_valid;
	char *endp;
	struct fst_setup_req req;
	struct fst_session s;
	struct fst_group *g;
	enum hostapd_hw_mode hw_mode;
	u8 channel;
	char additional_param[FST_MAX_COMMAND_WORD_NAME_LENGTH];

	if (params[0] != ' ')
		return -EINVAL;
	params++;
	fsts_id = fst_read_next_int_param(params, &is_valid, &endp);
	if (!is_valid)
		return -EINVAL;

	if (get_group_fill_session(&g, &s))
		return -EINVAL;

	req.action = FST_ACTION_SETUP_REQUEST;
	req.dialog_token = g->dialog_token;
	req.llt = host_to_le32(FST_LLT_MS_DEFAULT);
	/* 8.4.2.147 Session Transition element */
	req.stie.element_id = WLAN_EID_SESSION_TRANSITION;
	req.stie.length = sizeof(req.stie) - 2;
	req.stie.fsts_id = host_to_le32(fsts_id);
	req.stie.session_control = SESSION_CONTROL(SESSION_TYPE_BSS, 0);

	fst_iface_get_channel_info(s.data.new_iface, &hw_mode, &channel);
	req.stie.new_band_id = fst_hw_mode_to_band(hw_mode);
	req.stie.new_band_op = 1;
	req.stie.new_band_setup = 0;

	fst_iface_get_channel_info(s.data.old_iface, &hw_mode, &channel);
	req.stie.old_band_id = fst_hw_mode_to_band(hw_mode);
	req.stie.old_band_op = 1;
	req.stie.old_band_setup = 0;

	if (!fst_read_next_text_param(endp, additional_param,
				       sizeof(additional_param), &endp)) {
		if (!os_strcasecmp(additional_param, FST_CTR_PVAL_BAD_NEW_BAND))
			req.stie.new_band_id = req.stie.old_band_id;
	}

	return fst_session_send_action(&s, TRUE, &req, sizeof(req),
				       s.data.old_iface->mb_ie);
}
Exemplo n.º 3
0
void
mwrite32(struct memfile *mf, int32_t value)
{
    int32_t le_value = host_to_le32(value);

    mwrite(mf, &le_value, 4);
}
Exemplo n.º 4
0
static int fst_session_send_tear_down(struct fst_session *s)
{
	struct fst_tear_down td;
	int res;

	if (!fst_session_is_in_progress(s)) {
		fst_printf_session(s, MSG_ERROR, "No FST setup to tear down");
		return -1;
	}

	WPA_ASSERT(s->data.old_iface != NULL);
	WPA_ASSERT(s->data.new_iface != NULL);

	os_memset(&td, 0, sizeof(td));

	td.action = FST_ACTION_TEAR_DOWN;
	td.fsts_id = host_to_le32(s->data.fsts_id);

	res = fst_session_send_action(s, TRUE, &td, sizeof(td), NULL);
	if (!res)
		fst_printf_sframe(s, TRUE, MSG_INFO, "FST TearDown sent");
	else
		fst_printf_sframe(s, TRUE, MSG_ERROR,
				  "failed to send FST TearDown");

	return res;
}
Exemplo n.º 5
0
int fst_test_req_send_tear_down(const char *params)
{
	int fsts_id;
	Boolean is_valid;
	char *endp;
	struct fst_tear_down td;
	struct fst_session s;
	struct fst_group *g;

	if (params[0] != ' ')
		return -EINVAL;
	params++;
	fsts_id = fst_read_next_int_param(params, &is_valid, &endp);
	if (!is_valid)
		return -EINVAL;

	if (get_group_fill_session(&g, &s))
		return -EINVAL;

	os_memset(&td, 0, sizeof(td));
	td.action = FST_ACTION_TEAR_DOWN;
	td.fsts_id = host_to_le32(fsts_id);

	return fst_session_send_action(&s, TRUE, &td, sizeof(td), NULL);
}
Exemplo n.º 6
0
int fst_test_req_send_ack_response(const char *params)
{
	int fsts_id;
	Boolean is_valid;
	char *endp;
	struct fst_ack_res res;
	struct fst_session s;
	struct fst_group *g;

	if (params[0] != ' ')
		return -EINVAL;
	params++;
	fsts_id = fst_read_next_int_param(params, &is_valid, &endp);
	if (!is_valid)
		return -EINVAL;

	if (get_group_fill_session(&g, &s))
		return -EINVAL;

	os_memset(&res, 0, sizeof(res));
	res.action = FST_ACTION_ACK_RESPONSE;
	res.dialog_token = g->dialog_token;
	res.fsts_id = host_to_le32(fsts_id);

	return fst_session_send_action(&s, FALSE, &res, sizeof(res), NULL);
}
Exemplo n.º 7
0
int fst_session_initiate_switch(struct fst_session *s)
{
	struct fst_ack_req req;
	int res;
	u8 dialog_token;

	if (!fst_session_is_ready(s)) {
		fst_printf_session(s, MSG_ERROR,
				   "cannot initiate switch due to wrong setup state (%d)",
				   s->state);
		return -1;
	}

	dialog_token = fst_group_assign_dialog_token(s->group);

	WPA_ASSERT(s->data.new_iface != NULL);
	WPA_ASSERT(s->data.old_iface != NULL);

	fst_printf_session(s, MSG_INFO, "initiating FST switch: %s => %s",
			   fst_iface_get_name(s->data.old_iface),
			   fst_iface_get_name(s->data.new_iface));

	os_memset(&req, 0, sizeof(req));

	req.action = FST_ACTION_ACK_REQUEST;
	req.dialog_token = dialog_token;
	req.fsts_id = host_to_le32(s->data.fsts_id);

	res = fst_session_send_action(s, FALSE, &req, sizeof(req), NULL);
	if (!res) {
		fst_printf_sframe(s, FALSE, MSG_INFO, "FST Ack Request sent");
		fst_session_set_state(s, FST_SESSION_STATE_TRANSITION_DONE,
				      NULL);
		fst_session_stt_arm(s);
	} else {
		fst_printf_sframe(s, FALSE, MSG_ERROR,
				  "Cannot send FST Ack Request");
	}

	return res;
}
Exemplo n.º 8
0
int fst_session_initiate_setup(struct fst_session *s)
{
	struct fst_setup_req req;
	int res;
	u32 fsts_id;
	u8 dialog_token;
	struct fst_session *_s;

	if (fst_session_is_in_progress(s)) {
		fst_printf_session(s, MSG_ERROR, "Session in progress");
		return -EINVAL;
	}

	if (is_zero_ether_addr(s->data.old_peer_addr)) {
		fst_printf_session(s, MSG_ERROR, "No old peer MAC address");
		return -EINVAL;
	}

	if (is_zero_ether_addr(s->data.new_peer_addr)) {
		fst_printf_session(s, MSG_ERROR, "No new peer MAC address");
		return -EINVAL;
	}

	if (!s->data.old_iface) {
		fst_printf_session(s, MSG_ERROR, "No old interface defined");
		return -EINVAL;
	}

	if (!s->data.new_iface) {
		fst_printf_session(s, MSG_ERROR, "No new interface defined");
		return -EINVAL;
	}

	if (s->data.new_iface == s->data.old_iface) {
		fst_printf_session(s, MSG_ERROR,
				   "Same interface set as old and new");
		return -EINVAL;
	}

	if (!fst_iface_is_connected(s->data.old_iface, s->data.old_peer_addr,
				    FALSE)) {
		fst_printf_session(s, MSG_ERROR,
				   "The preset old peer address is not connected");
		return -EINVAL;
	}

	if (!fst_iface_is_connected(s->data.new_iface, s->data.new_peer_addr,
				    FALSE)) {
		fst_printf_session(s, MSG_ERROR,
				   "The preset new peer address is not connected");
		return -EINVAL;
	}

	_s = fst_find_session_in_progress(s->data.old_peer_addr, s->group);
	if (_s) {
		fst_printf_session(s, MSG_ERROR,
				   "There is another session in progress (old): %u",
				   _s->id);
		return -EINVAL;
	}

	_s = fst_find_session_in_progress(s->data.new_peer_addr, s->group);
	if (_s) {
		fst_printf_session(s, MSG_ERROR,
				   "There is another session in progress (new): %u",
				   _s->id);
		return -EINVAL;
	}

	dialog_token = fst_group_assign_dialog_token(s->group);
	fsts_id = fst_group_assign_fsts_id(s->group);

	os_memset(&req, 0, sizeof(req));

	fst_printf_siface(s, s->data.old_iface, MSG_INFO,
		"initiating FST setup for %s (llt=%u ms)",
		fst_iface_get_name(s->data.new_iface), s->data.llt_ms);

	req.action = FST_ACTION_SETUP_REQUEST;
	req.dialog_token = dialog_token;
	req.llt = host_to_le32(FST_LLT_MS_TO_VAL(s->data.llt_ms));
	/* 8.4.2.147 Session Transition element */
	req.stie.element_id = WLAN_EID_SESSION_TRANSITION;
	req.stie.length = sizeof(req.stie) - 2;
	req.stie.fsts_id = host_to_le32(fsts_id);
	req.stie.session_control = SESSION_CONTROL(SESSION_TYPE_BSS, 0);

	req.stie.new_band_id = fst_iface_get_band_id(s->data.new_iface);
	req.stie.new_band_op = 1;
	req.stie.new_band_setup = 0;

	req.stie.old_band_id = fst_iface_get_band_id(s->data.old_iface);
	req.stie.old_band_op = 1;
	req.stie.old_band_setup = 0;

	res = fst_session_send_action(s, TRUE, &req, sizeof(req),
				      fst_iface_get_mbie(s->data.old_iface));
	if (!res) {
		s->data.fsts_id = fsts_id;
		s->data.pending_setup_req_dlgt = dialog_token;
		fst_printf_sframe(s, TRUE, MSG_INFO, "FST Setup Request sent");
		fst_session_set_state(s, FST_SESSION_STATE_SETUP_COMPLETION,
				      NULL);

		fst_session_stt_arm(s);
	}

	return res;
}
Exemplo n.º 9
0
int fst_session_respond(struct fst_session *s, u8 status_code)
{
	struct fst_setup_res res;
	enum hostapd_hw_mode hw_mode;
	u8 channel;

	if (!fst_session_is_ready_pending(s)) {
		fst_printf_session(s, MSG_ERROR, "incorrect state: %s",
				   fst_session_state_name(s->state));
		return -EINVAL;
	}

	if (is_zero_ether_addr(s->data.old_peer_addr)) {
		fst_printf_session(s, MSG_ERROR, "No peer MAC address");
		return -EINVAL;
	}

	if (!s->data.old_iface) {
		fst_printf_session(s, MSG_ERROR, "No old interface defined");
		return -EINVAL;
	}

	if (!s->data.new_iface) {
		fst_printf_session(s, MSG_ERROR, "No new interface defined");
		return -EINVAL;
	}

	if (s->data.new_iface == s->data.old_iface) {
		fst_printf_session(s, MSG_ERROR,
				   "Same interface set as old and new");
		return -EINVAL;
	}

	if (!fst_iface_is_connected(s->data.old_iface,
				    s->data.old_peer_addr, FALSE)) {
		fst_printf_session(s, MSG_ERROR,
				   "The preset peer address is not in the peer list");
		return -EINVAL;
	}

	fst_session_stt_disarm(s);

	os_memset(&res, 0, sizeof(res));

	res.action = FST_ACTION_SETUP_RESPONSE;
	res.dialog_token = s->data.pending_setup_req_dlgt;
	res.status_code = status_code;

	res.stie.element_id = WLAN_EID_SESSION_TRANSITION;
	res.stie.length = sizeof(res.stie) - 2;

	if (status_code == WLAN_STATUS_SUCCESS) {
		res.stie.fsts_id = host_to_le32(s->data.fsts_id);
		res.stie.session_control = SESSION_CONTROL(SESSION_TYPE_BSS, 0);

		fst_iface_get_channel_info(s->data.new_iface, &hw_mode,
					   &channel);
		res.stie.new_band_id = fst_hw_mode_to_band(hw_mode);
		res.stie.new_band_op = 1;
		res.stie.new_band_setup = 0;

		fst_iface_get_channel_info(s->data.old_iface, &hw_mode,
					   &channel);
		res.stie.old_band_id = fst_hw_mode_to_band(hw_mode);
		res.stie.old_band_op = 1;
		res.stie.old_band_setup = 0;

		fst_printf_session(s, MSG_INFO,
				   "%s: FST Setup Request accepted for %s (llt=%u)",
				   fst_iface_get_name(s->data.old_iface),
				   fst_iface_get_name(s->data.new_iface),
				   s->data.llt_ms);
	} else {
		fst_printf_session(s, MSG_WARNING,
				   "%s: FST Setup Request rejected with code %d",
				   fst_iface_get_name(s->data.old_iface),
				   status_code);
	}

	if (fst_session_send_action(s, TRUE, &res, sizeof(res),
				    fst_iface_get_mbie(s->data.old_iface))) {
		fst_printf_sframe(s, TRUE, MSG_ERROR,
				  "cannot send FST Setup Response with code %d",
				  status_code);
		return -EINVAL;
	}

	fst_printf_sframe(s, TRUE, MSG_INFO, "FST Setup Response sent");

	if (status_code != WLAN_STATUS_SUCCESS) {
		union fst_session_state_switch_extra evext = {
			.to_initial = {
				.reason = REASON_REJECT,
				.reject_code = status_code,
				.initiator = FST_INITIATOR_LOCAL,
			},
		};
		fst_session_set_state(s, FST_SESSION_STATE_INITIAL, &evext);
	}

	return 0;
}
Exemplo n.º 10
0
int fst_test_req_send_fst_response(const char *params)
{
	int fsts_id;
	Boolean is_valid;
	char *endp;
	struct fst_setup_res res;
	struct fst_session s;
	struct fst_group *g;
	enum hostapd_hw_mode hw_mode;
	u8 status_code;
	u8 channel;
	char response[FST_MAX_COMMAND_WORD_NAME_LENGTH];
	struct fst_session *_s;

	if (params[0] != ' ')
		return -EINVAL;
	params++;
	fsts_id = fst_read_next_int_param(params, &is_valid, &endp);
	if (!is_valid)
		return -EINVAL;

	if (get_group_fill_session(&g, &s))
		return -EINVAL;

	status_code = WLAN_STATUS_SUCCESS;
	if (!fst_read_next_text_param(endp, response, sizeof(response),
				      &endp)) {
		if (!os_strcasecmp(response, FST_CS_PVAL_RESPONSE_REJECT))
			status_code = WLAN_STATUS_PENDING_ADMITTING_FST_SESSION;
	}

	os_memset(&res, 0, sizeof(res));

	res.action = FST_ACTION_SETUP_RESPONSE;
	/*
	 * If some session has just received an FST Setup Request, then
	 * use the correct dialog token copied from this request.
	 */
	_s = fst_find_session_in_progress(fst_session_get_peer_addr(&s, TRUE),
					  g);
	res.dialog_token = (_s && fst_session_is_ready_pending(_s)) ?
		_s->data.pending_setup_req_dlgt : g->dialog_token;
	res.status_code  = status_code;

	res.stie.element_id = WLAN_EID_SESSION_TRANSITION;
	res.stie.length = sizeof(res.stie) - 2;

	if (res.status_code == WLAN_STATUS_SUCCESS) {
		res.stie.fsts_id = host_to_le32(fsts_id);
		res.stie.session_control = SESSION_CONTROL(SESSION_TYPE_BSS, 0);

		fst_iface_get_channel_info(s.data.new_iface, &hw_mode,
					    &channel);
		res.stie.new_band_id = fst_hw_mode_to_band(hw_mode);
		res.stie.new_band_op = 1;
		res.stie.new_band_setup = 0;

		fst_iface_get_channel_info(s.data.old_iface, &hw_mode,
					   &channel);
		res.stie.old_band_id = fst_hw_mode_to_band(hw_mode);
		res.stie.old_band_op = 1;
		res.stie.old_band_setup = 0;
	}

	if (!fst_read_next_text_param(endp, response, sizeof(response),
				      &endp)) {
		if (!os_strcasecmp(response, FST_CTR_PVAL_BAD_NEW_BAND))
			res.stie.new_band_id = res.stie.old_band_id;
	}

	return fst_session_send_action(&s, TRUE, &res, sizeof(res),
				       s.data.old_iface->mb_ie);
}