Пример #1
0
/*
 * This function prepares command for ad-hoc start.
 *
 * Driver will fill up SSID, BSS mode, IBSS parameters, physical
 * parameters, probe delay, and capability information. Firmware
 * will fill up beacon period, basic rates and operational rates.
 *
 * In addition, the following TLVs are added -
 *      - Channel TLV
 *      - Vendor specific IE
 *      - WPA/WPA2 IE
 *      - HT Capabilities IE
 *      - HT Information IE
 *
 * Preparation also includes -
 *      - Setting command ID and proper size
 *      - Ensuring correct endian-ness
 */
int
mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
				struct host_cmd_ds_command *cmd,
				struct cfg80211_ssid *req_ssid)
{
	int rsn_ie_len = 0;
	struct mwifiex_adapter *adapter = priv->adapter;
	struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
		&cmd->params.adhoc_start;
	struct mwifiex_bssdescriptor *bss_desc;
	u32 cmd_append_size = 0;
	u32 i;
	u16 tmp_cap;
	struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
	u8 radio_type;

	struct mwifiex_ie_types_htcap *ht_cap;
	struct mwifiex_ie_types_htinfo *ht_info;
	u8 *pos = (u8 *) adhoc_start +
			sizeof(struct host_cmd_ds_802_11_ad_hoc_start);

	if (!adapter)
		return -1;

	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);

	bss_desc = &priv->curr_bss_params.bss_descriptor;
	priv->attempted_bss_desc = bss_desc;

	/*
	 * Fill in the parameters for 2 data structures:
	 *   1. struct host_cmd_ds_802_11_ad_hoc_start command
	 *   2. bss_desc
	 * Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
	 * probe delay, and Cap info.
	 * Firmware will fill up beacon period, Basic rates
	 * and operational rates.
	 */

	memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);

	memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n",
		adhoc_start->ssid);

	memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
	memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);

	bss_desc->ssid.ssid_len = req_ssid->ssid_len;

	/* Set the BSS mode */
	adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
	bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
	adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
	bss_desc->beacon_period = priv->beacon_period;

	/* Set Physical param set */
/* Parameter IE Id */
#define DS_PARA_IE_ID   3
/* Parameter IE length */
#define DS_PARA_IE_LEN  1

	adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
	adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;

	if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
			     (u16) priv->adhoc_channel, 0)) {
		struct mwifiex_chan_freq_power *cfp;
		cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
				      FIRST_VALID_CHANNEL, 0);
		if (cfp)
			priv->adhoc_channel = (u8) cfp->channel;
	}

	if (!priv->adhoc_channel) {
		dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
		return -1;
	}

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
		priv->adhoc_channel);

	priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
	priv->curr_bss_params.band = adapter->adhoc_start_band;

	bss_desc->channel = priv->adhoc_channel;
	adhoc_start->phy_param_set.ds_param_set.current_chan =
		priv->adhoc_channel;

	memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
	       sizeof(union ieee_types_phy_param_set));

	/* Set IBSS param set */
/* IBSS parameter IE Id */
#define IBSS_PARA_IE_ID   6
/* IBSS parameter IE length */
#define IBSS_PARA_IE_LEN  2

	adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
	adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
	adhoc_start->ss_param_set.ibss_param_set.atim_window
					= cpu_to_le16(priv->atim_window);
	memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
	       sizeof(union ieee_types_ss_param_set));

	/* Set Capability info */
	bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
	tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap);
	tmp_cap &= ~WLAN_CAPABILITY_ESS;
	tmp_cap |= WLAN_CAPABILITY_IBSS;

	/* Set up privacy in bss_desc */
	if (priv->sec_info.encryption_mode) {
		/* Ad-Hoc capability privacy on */
		dev_dbg(adapter->dev,
			"info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
		bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
		tmp_cap |= WLAN_CAPABILITY_PRIVACY;
	} else {
		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set,"
				" setting privacy to ACCEPT ALL\n");
		bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
	}

	memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
	mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
	if ((adapter->adhoc_start_band & BAND_G) &&
	    (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
		if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
					   HostCmd_ACT_GEN_SET, 0,
					   &priv->curr_pkt_filter)) {
			dev_err(adapter->dev,
				"ADHOC_S_CMD: G Protection config failed\n");
			return -1;
		}
	}
	/* Find the last non zero */
	for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
		if (!adhoc_start->data_rate[i])
			break;

	priv->curr_bss_params.num_of_rates = i;

	/* Copy the ad-hoc creating rates into Current BSS rate structure */
	memcpy(&priv->curr_bss_params.data_rates,
	       &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%4ph\n",
		adhoc_start->data_rate);

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");

	if (IS_SUPPORT_MULTI_BANDS(adapter)) {
		/* Append a channel TLV */
		chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
		chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
		chan_tlv->header.len =
			cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));

		memset(chan_tlv->chan_scan_param, 0x00,
		       sizeof(struct mwifiex_chan_scan_param_set));
		chan_tlv->chan_scan_param[0].chan_number =
			(u8) priv->curr_bss_params.bss_descriptor.channel;

		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n",
			chan_tlv->chan_scan_param[0].chan_number);

		chan_tlv->chan_scan_param[0].radio_type
		       = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
		if (adapter->adhoc_start_band & BAND_GN ||
		    adapter->adhoc_start_band & BAND_AN) {
			if (adapter->sec_chan_offset ==
					    IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
				chan_tlv->chan_scan_param[0].radio_type |=
					(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
			else if (adapter->sec_chan_offset ==
					    IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
				chan_tlv->chan_scan_param[0].radio_type |=
					(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
		}
		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
			chan_tlv->chan_scan_param[0].radio_type);
		pos += sizeof(chan_tlv->header) +
			sizeof(struct mwifiex_chan_scan_param_set);
		cmd_append_size +=
			sizeof(chan_tlv->header) +
			sizeof(struct mwifiex_chan_scan_param_set);
	}

	/* Append vendor specific IE TLV */
	cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
				MWIFIEX_VSIE_MASK_ADHOC, &pos);

	if (priv->sec_info.wpa_enabled) {
		rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
		if (rsn_ie_len == -1)
			return -1;
		cmd_append_size += rsn_ie_len;
	}

	if (adapter->adhoc_11n_enabled) {
		/* Fill HT CAPABILITY */
		ht_cap = (struct mwifiex_ie_types_htcap *) pos;
		memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
		ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
		ht_cap->header.len =
		       cpu_to_le16(sizeof(struct ieee80211_ht_cap));
		radio_type = mwifiex_band_to_radio_type(
					priv->adapter->config_bands);
		mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap);

		if (adapter->sec_chan_offset ==
					IEEE80211_HT_PARAM_CHA_SEC_NONE) {
			u16 tmp_ht_cap;

			tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info);
			tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
			tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40;
			ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap);
		}

		pos += sizeof(struct mwifiex_ie_types_htcap);
		cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);

		/* Fill HT INFORMATION */
		ht_info = (struct mwifiex_ie_types_htinfo *) pos;
		memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
		ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION);
		ht_info->header.len =
			cpu_to_le16(sizeof(struct ieee80211_ht_operation));

		ht_info->ht_oper.primary_chan =
			(u8) priv->curr_bss_params.bss_descriptor.channel;
		if (adapter->sec_chan_offset) {
			ht_info->ht_oper.ht_param = adapter->sec_chan_offset;
			ht_info->ht_oper.ht_param |=
					IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
		}
		ht_info->ht_oper.operation_mode =
		     cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
		ht_info->ht_oper.basic_set[0] = 0xff;
		pos += sizeof(struct mwifiex_ie_types_htinfo);
		cmd_append_size +=
				sizeof(struct mwifiex_ie_types_htinfo);
	}

	cmd->size =
		cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
				  + S_DS_GEN + cmd_append_size));

	if (adapter->adhoc_start_band == BAND_B)
		tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
	else
		tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;

	adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);

	return 0;
}
Пример #2
0
/*
 * This function prepares command for association.
 *
 * This sets the following parameters -
 *      - Peer MAC address
 *      - Listen interval
 *      - Beacon interval
 *      - Capability information
 *
 * ...and the following TLVs, as required -
 *      - SSID TLV
 *      - PHY TLV
 *      - SS TLV
 *      - Rates TLV
 *      - Authentication TLV
 *      - Channel TLV
 *      - WPA/WPA2 IE
 *      - 11n TLV
 *      - Vendor specific TLV
 *      - WMM TLV
 *      - WAPI IE
 *      - Generic IE
 *      - TSF TLV
 *
 * Preparation also includes -
 *      - Setting command ID and proper size
 *      - Ensuring correct endian-ness
 */
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
				 struct host_cmd_ds_command *cmd,
				 struct mwifiex_bssdescriptor *bss_desc)
{
	struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
	struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
	struct mwifiex_ie_types_phy_param_set *phy_tlv;
	struct mwifiex_ie_types_ss_param_set *ss_tlv;
	struct mwifiex_ie_types_rates_param_set *rates_tlv;
	struct mwifiex_ie_types_auth_type *auth_tlv;
	struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
	u8 rates[MWIFIEX_SUPPORTED_RATES];
	u32 rates_size;
	u16 tmp_cap;
	u8 *pos;
	int rsn_ie_len = 0;

	pos = (u8 *) assoc;

	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);

	/* Save so we know which BSS Desc to use in the response handler */
	priv->attempted_bss_desc = bss_desc;

	memcpy(assoc->peer_sta_addr,
	       bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
	pos += sizeof(assoc->peer_sta_addr);

	/* Set the listen interval */
	assoc->listen_interval = cpu_to_le16(priv->listen_interval);
	/* Set the beacon period */
	assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);

	pos += sizeof(assoc->cap_info_bitmap);
	pos += sizeof(assoc->listen_interval);
	pos += sizeof(assoc->beacon_period);
	pos += sizeof(assoc->dtim_period);

	ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
	ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
	ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
	memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
	       le16_to_cpu(ssid_tlv->header.len));
	pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);

	phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
	phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
	phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
	memcpy(&phy_tlv->fh_ds.ds_param_set,
	       &bss_desc->phy_param_set.ds_param_set.current_chan,
	       sizeof(phy_tlv->fh_ds.ds_param_set));
	pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);

	ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
	ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
	ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
	pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);

	/* Get the common rates supported between the driver and the BSS Desc */
	if (mwifiex_setup_rates_from_bssdesc
	    (priv, bss_desc, rates, &rates_size))
		return -1;

	/* Save the data rates into Current BSS state structure */
	priv->curr_bss_params.num_of_rates = rates_size;
	memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);

	/* Setup the Rates TLV in the association command */
	rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
	rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
	rates_tlv->header.len = cpu_to_le16((u16) rates_size);
	memcpy(rates_tlv->rates, rates, rates_size);
	pos += sizeof(rates_tlv->header) + rates_size;
	dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
		rates_size);

	/* Add the Authentication type to be used for Auth frames */
	auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
	auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
	auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
	if (priv->sec_info.wep_enabled)
		auth_tlv->auth_type = cpu_to_le16(
				(u16) priv->sec_info.authentication_mode);
	else
		auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);

	pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);

	if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
	    !(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
	    (!bss_desc->disable_11n) &&
	    (priv->adapter->config_bands & BAND_GN ||
	     priv->adapter->config_bands & BAND_AN) &&
	    (bss_desc->bcn_ht_cap)
	    )
		) {
		/* Append a channel TLV for the channel the attempted AP was
		   found on */
		chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
		chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
		chan_tlv->header.len =
			cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));

		memset(chan_tlv->chan_scan_param, 0x00,
		       sizeof(struct mwifiex_chan_scan_param_set));
		chan_tlv->chan_scan_param[0].chan_number =
			(bss_desc->phy_param_set.ds_param_set.current_chan);
		dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
			chan_tlv->chan_scan_param[0].chan_number);

		chan_tlv->chan_scan_param[0].radio_type =
			mwifiex_band_to_radio_type((u8) bss_desc->bss_band);

		dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
			chan_tlv->chan_scan_param[0].radio_type);
		pos += sizeof(chan_tlv->header) +
			sizeof(struct mwifiex_chan_scan_param_set);
	}

	if (!priv->wps.session_enable) {
		if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
			rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);

		if (rsn_ie_len == -1)
			return -1;
	}

	if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
	    (!bss_desc->disable_11n) &&
	    (priv->adapter->config_bands & BAND_GN ||
	     priv->adapter->config_bands & BAND_AN))
		mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);

	if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
	    !bss_desc->disable_11n && !bss_desc->disable_11ac &&
	    priv->adapter->config_bands & BAND_AAC)
		mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);

	/* Append vendor specific IE TLV */
	mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);

	mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
					    bss_desc->bcn_ht_cap);
	if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
		mwifiex_cmd_append_wapi_ie(priv, &pos);

	if (priv->wps.session_enable && priv->wps_ie_len)
		mwifiex_cmd_append_wps_ie(priv, &pos);

	mwifiex_cmd_append_generic_ie(priv, &pos);

	mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);

	mwifiex_11h_process_join(priv, &pos, bss_desc);

	cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);

	/* Set the Capability info at last */
	tmp_cap = bss_desc->cap_info_bitmap;

	if (priv->adapter->config_bands == BAND_B)
		tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;

	tmp_cap &= CAPINFO_MASK;
	dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
		tmp_cap, CAPINFO_MASK);
	assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);

	return 0;
}
Пример #3
0
int
mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
				struct host_cmd_ds_command *cmd,
				struct cfg80211_ssid *req_ssid)
{
	int rsn_ie_len = 0;
	struct mwifiex_adapter *adapter = priv->adapter;
	struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
		&cmd->params.adhoc_start;
	struct mwifiex_bssdescriptor *bss_desc;
	u32 cmd_append_size = 0;
	u32 i;
	u16 tmp_cap;
	struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
	u8 radio_type;

	struct mwifiex_ie_types_htcap *ht_cap;
	struct mwifiex_ie_types_htinfo *ht_info;
	u8 *pos = (u8 *) adhoc_start +
			sizeof(struct host_cmd_ds_802_11_ad_hoc_start);

	if (!adapter)
		return -1;

	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);

	bss_desc = &priv->curr_bss_params.bss_descriptor;
	priv->attempted_bss_desc = bss_desc;


	memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);

	memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n",
		adhoc_start->ssid);

	memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
	memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);

	bss_desc->ssid.ssid_len = req_ssid->ssid_len;

	
	adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
	bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
	adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
	bss_desc->beacon_period = priv->beacon_period;

	
#define DS_PARA_IE_ID   3
#define DS_PARA_IE_LEN  1

	adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
	adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;

	if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
			     (u16) priv->adhoc_channel, 0)) {
		struct mwifiex_chan_freq_power *cfp;
		cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
				      FIRST_VALID_CHANNEL, 0);
		if (cfp)
			priv->adhoc_channel = (u8) cfp->channel;
	}

	if (!priv->adhoc_channel) {
		dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
		return -1;
	}

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
		priv->adhoc_channel);

	priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
	priv->curr_bss_params.band = adapter->adhoc_start_band;

	bss_desc->channel = priv->adhoc_channel;
	adhoc_start->phy_param_set.ds_param_set.current_chan =
		priv->adhoc_channel;

	memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
	       sizeof(union ieee_types_phy_param_set));

	
#define IBSS_PARA_IE_ID   6
#define IBSS_PARA_IE_LEN  2

	adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
	adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
	adhoc_start->ss_param_set.ibss_param_set.atim_window
					= cpu_to_le16(priv->atim_window);
	memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
	       sizeof(union ieee_types_ss_param_set));

	
	bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
	tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap);
	tmp_cap &= ~WLAN_CAPABILITY_ESS;
	tmp_cap |= WLAN_CAPABILITY_IBSS;

	
	if (priv->sec_info.encryption_mode) {
		
		dev_dbg(adapter->dev,
			"info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
		bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
		tmp_cap |= WLAN_CAPABILITY_PRIVACY;
	} else {
		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set,"
				" setting privacy to ACCEPT ALL\n");
		bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
	}

	memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
	mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
	if ((adapter->adhoc_start_band & BAND_G) &&
	    (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
		if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
					   HostCmd_ACT_GEN_SET, 0,
					   &priv->curr_pkt_filter)) {
			dev_err(adapter->dev,
				"ADHOC_S_CMD: G Protection config failed\n");
			return -1;
		}
	}
	
	for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
		if (!adhoc_start->data_rate[i])
			break;

	priv->curr_bss_params.num_of_rates = i;

	
	memcpy(&priv->curr_bss_params.data_rates,
	       &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n",
		adhoc_start->data_rate[0], adhoc_start->data_rate[1],
		adhoc_start->data_rate[2], adhoc_start->data_rate[3]);

	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");

	if (IS_SUPPORT_MULTI_BANDS(adapter)) {
		
		chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
		chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
		chan_tlv->header.len =
			cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));

		memset(chan_tlv->chan_scan_param, 0x00,
		       sizeof(struct mwifiex_chan_scan_param_set));
		chan_tlv->chan_scan_param[0].chan_number =
			(u8) priv->curr_bss_params.bss_descriptor.channel;

		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n",
			chan_tlv->chan_scan_param[0].chan_number);

		chan_tlv->chan_scan_param[0].radio_type
		       = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
		if (adapter->adhoc_start_band & BAND_GN ||
		    adapter->adhoc_start_band & BAND_AN) {
			if (adapter->sec_chan_offset ==
					    IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
				chan_tlv->chan_scan_param[0].radio_type |=
					(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
			else if (adapter->sec_chan_offset ==
					    IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
				chan_tlv->chan_scan_param[0].radio_type |=
					(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
		}
		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
			chan_tlv->chan_scan_param[0].radio_type);
		pos += sizeof(chan_tlv->header) +
			sizeof(struct mwifiex_chan_scan_param_set);
		cmd_append_size +=
			sizeof(chan_tlv->header) +
			sizeof(struct mwifiex_chan_scan_param_set);
	}

	
	cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
				MWIFIEX_VSIE_MASK_ADHOC, &pos);

	if (priv->sec_info.wpa_enabled) {
		rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
		if (rsn_ie_len == -1)
			return -1;
		cmd_append_size += rsn_ie_len;
	}

	if (adapter->adhoc_11n_enabled) {
		
		ht_cap = (struct mwifiex_ie_types_htcap *) pos;
		memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
		ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
		ht_cap->header.len =
		       cpu_to_le16(sizeof(struct ieee80211_ht_cap));
		radio_type = mwifiex_band_to_radio_type(
					priv->adapter->config_bands);
		mwifiex_fill_cap_info(priv, radio_type, ht_cap);

		pos += sizeof(struct mwifiex_ie_types_htcap);
		cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);

		
		ht_info = (struct mwifiex_ie_types_htinfo *) pos;
		memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
		ht_info->header.type = cpu_to_le16(WLAN_EID_HT_INFORMATION);
		ht_info->header.len =
				cpu_to_le16(sizeof(struct ieee80211_ht_info));

		ht_info->ht_info.control_chan =
			(u8) priv->curr_bss_params.bss_descriptor.channel;
		if (adapter->sec_chan_offset) {
			ht_info->ht_info.ht_param = adapter->sec_chan_offset;
			ht_info->ht_info.ht_param |=
					IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
		}
		ht_info->ht_info.operation_mode =
		     cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
		ht_info->ht_info.basic_set[0] = 0xff;
		pos += sizeof(struct mwifiex_ie_types_htinfo);
		cmd_append_size +=
				sizeof(struct mwifiex_ie_types_htinfo);
	}

	cmd->size =
		cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
				  + S_DS_GEN + cmd_append_size));

	if (adapter->adhoc_start_band == BAND_B)
		tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
	else
		tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;

	adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);

	return 0;
}
Пример #4
0
/*
 * This function prepares command for ad-hoc join.
 *
 * Most of the parameters are set up by copying from the target BSS descriptor
 * from the scan response.
 *
 * In addition, the following TLVs are added -
 *      - Channel TLV
 *      - Vendor specific IE
 *      - WPA/WPA2 IE
 *      - 11n IE
 *
 * Preparation also includes -
 *      - Setting command ID and proper size
 *      - Ensuring correct endian-ness
 */
int
mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
			       struct host_cmd_ds_command *cmd,
			       struct mwifiex_bssdescriptor *bss_desc)
{
	int rsn_ie_len = 0;
	struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join =
		&cmd->params.adhoc_join;
	struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
	u32 cmd_append_size = 0;
	u16 tmp_cap;
	u32 i, rates_size = 0;
	u16 curr_pkt_filter;
	u8 *pos =
		(u8 *) adhoc_join +
		sizeof(struct host_cmd_ds_802_11_ad_hoc_join);

/* Use G protection */
#define USE_G_PROTECTION        0x02
	if (bss_desc->erp_flags & USE_G_PROTECTION) {
		curr_pkt_filter =
			priv->
			curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON;

		if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
					   HostCmd_ACT_GEN_SET, 0,
					   &curr_pkt_filter)) {
			dev_err(priv->adapter->dev,
				"ADHOC_J_CMD: G Protection config failed\n");
			return -1;
		}
	}

	priv->attempted_bss_desc = bss_desc;

	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN);

	adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS;

	adhoc_join->bss_descriptor.beacon_period
		= cpu_to_le16(bss_desc->beacon_period);

	memcpy(&adhoc_join->bss_descriptor.bssid,
	       &bss_desc->mac_address, ETH_ALEN);

	memcpy(&adhoc_join->bss_descriptor.ssid,
	       &bss_desc->ssid.ssid, bss_desc->ssid.ssid_len);

	memcpy(&adhoc_join->bss_descriptor.phy_param_set,
	       &bss_desc->phy_param_set,
	       sizeof(union ieee_types_phy_param_set));

	memcpy(&adhoc_join->bss_descriptor.ss_param_set,
	       &bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set));

	tmp_cap = bss_desc->cap_info_bitmap;

	tmp_cap &= CAPINFO_MASK;

	dev_dbg(priv->adapter->dev,
		"info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
		tmp_cap, CAPINFO_MASK);

	/* Information on BSSID descriptor passed to FW */
	dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
		adhoc_join->bss_descriptor.bssid,
		adhoc_join->bss_descriptor.ssid);

	for (i = 0; i < MWIFIEX_SUPPORTED_RATES &&
		    bss_desc->supported_rates[i]; i++)
		;
	rates_size = i;

	/* Copy Data Rates from the Rates recorded in scan response */
	memset(adhoc_join->bss_descriptor.data_rates, 0,
	       sizeof(adhoc_join->bss_descriptor.data_rates));
	memcpy(adhoc_join->bss_descriptor.data_rates,
	       bss_desc->supported_rates, rates_size);

	/* Copy the adhoc join rates into Current BSS state structure */
	priv->curr_bss_params.num_of_rates = rates_size;
	memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates,
	       rates_size);

	/* Copy the channel information */
	priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel;
	priv->curr_bss_params.band = (u8) bss_desc->bss_band;

	if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled)
		tmp_cap |= WLAN_CAPABILITY_PRIVACY;

	if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) {
		/* Append a channel TLV */
		chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
		chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
		chan_tlv->header.len =
			cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));

		memset(chan_tlv->chan_scan_param, 0x00,
		       sizeof(struct mwifiex_chan_scan_param_set));
		chan_tlv->chan_scan_param[0].chan_number =
			(bss_desc->phy_param_set.ds_param_set.current_chan);
		dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Chan=%d\n",
			chan_tlv->chan_scan_param[0].chan_number);

		chan_tlv->chan_scan_param[0].radio_type =
			mwifiex_band_to_radio_type((u8) bss_desc->bss_band);

		dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Band=%d\n",
			chan_tlv->chan_scan_param[0].radio_type);
		pos += sizeof(chan_tlv->header) +
				sizeof(struct mwifiex_chan_scan_param_set);
		cmd_append_size += sizeof(chan_tlv->header) +
				sizeof(struct mwifiex_chan_scan_param_set);
	}

	if (priv->sec_info.wpa_enabled)
		rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
	if (rsn_ie_len == -1)
		return -1;
	cmd_append_size += rsn_ie_len;

	if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
		cmd_append_size += mwifiex_cmd_append_11n_tlv(priv,
			bss_desc, &pos);

	/* Append vendor specific IE TLV */
	cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
			MWIFIEX_VSIE_MASK_ADHOC, &pos);

	cmd->size = cpu_to_le16
		((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join)
			+ S_DS_GEN + cmd_append_size));

	adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap);

	return 0;
}
Пример #5
0
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
				 struct host_cmd_ds_command *cmd,
				 struct mwifiex_bssdescriptor *bss_desc)
{
	struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
	struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
	struct mwifiex_ie_types_phy_param_set *phy_tlv;
	struct mwifiex_ie_types_ss_param_set *ss_tlv;
	struct mwifiex_ie_types_rates_param_set *rates_tlv;
	struct mwifiex_ie_types_auth_type *auth_tlv;
	struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
	u8 rates[MWIFIEX_SUPPORTED_RATES];
	u32 rates_size;
	u16 tmp_cap;
	u8 *pos;
	int rsn_ie_len = 0;

	pos = (u8 *) assoc;

	mwifiex_cfg_tx_buf(priv, bss_desc);

	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);

	
	priv->attempted_bss_desc = bss_desc;

	memcpy(assoc->peer_sta_addr,
	       bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
	pos += sizeof(assoc->peer_sta_addr);

	
	assoc->listen_interval = cpu_to_le16(priv->listen_interval);
	
	assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);

	pos += sizeof(assoc->cap_info_bitmap);
	pos += sizeof(assoc->listen_interval);
	pos += sizeof(assoc->beacon_period);
	pos += sizeof(assoc->dtim_period);

	ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
	ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
	ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
	memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
	       le16_to_cpu(ssid_tlv->header.len));
	pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);

	phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
	phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
	phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
	memcpy(&phy_tlv->fh_ds.ds_param_set,
	       &bss_desc->phy_param_set.ds_param_set.current_chan,
	       sizeof(phy_tlv->fh_ds.ds_param_set));
	pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);

	ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
	ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
	ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
	pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);

	
	if (mwifiex_setup_rates_from_bssdesc
	    (priv, bss_desc, rates, &rates_size))
		return -1;

	
	priv->curr_bss_params.num_of_rates = rates_size;
	memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);

	
	rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
	rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
	rates_tlv->header.len = cpu_to_le16((u16) rates_size);
	memcpy(rates_tlv->rates, rates, rates_size);
	pos += sizeof(rates_tlv->header) + rates_size;
	dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
		rates_size);

	
	auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
	auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
	auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
	if (priv->sec_info.wep_enabled)
		auth_tlv->auth_type = cpu_to_le16(
				(u16) priv->sec_info.authentication_mode);
	else
		auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);

	pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);

	if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
	    !(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
	    (!bss_desc->disable_11n) &&
	    (priv->adapter->config_bands & BAND_GN ||
	     priv->adapter->config_bands & BAND_AN) &&
	    (bss_desc->bcn_ht_cap)
	    )
		) {
		chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
		chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
		chan_tlv->header.len =
			cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));

		memset(chan_tlv->chan_scan_param, 0x00,
		       sizeof(struct mwifiex_chan_scan_param_set));
		chan_tlv->chan_scan_param[0].chan_number =
			(bss_desc->phy_param_set.ds_param_set.current_chan);
		dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
			chan_tlv->chan_scan_param[0].chan_number);

		chan_tlv->chan_scan_param[0].radio_type =
			mwifiex_band_to_radio_type((u8) bss_desc->bss_band);

		dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
			chan_tlv->chan_scan_param[0].radio_type);
		pos += sizeof(chan_tlv->header) +
			sizeof(struct mwifiex_chan_scan_param_set);
	}

	if (!priv->wps.session_enable) {
		if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
			rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);

		if (rsn_ie_len == -1)
			return -1;
	}

	if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
	    (!bss_desc->disable_11n) &&
	    (priv->adapter->config_bands & BAND_GN ||
	     priv->adapter->config_bands & BAND_AN))
		mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);

	
	mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);

	mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
					    bss_desc->bcn_ht_cap);
	if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
		mwifiex_cmd_append_wapi_ie(priv, &pos);


	mwifiex_cmd_append_generic_ie(priv, &pos);

	mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);

	cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);

	
	tmp_cap = bss_desc->cap_info_bitmap;

	if (priv->adapter->config_bands == BAND_B)
		tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;

	tmp_cap &= CAPINFO_MASK;
	dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
		tmp_cap, CAPINFO_MASK);
	assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);

	return 0;
}