[deliverable/linux.git] / drivers / net / wireless / mwifiex / uap_cmd.c

/*
 * Marvell Wireless LAN device driver: AP specific command handling
 *
 * Copyright (C) 2012, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#include "main.h"

/* This function parses security related parameters from cfg80211_ap_settings
 * and sets into FW understandable bss_config structure.
 */
int mwifiex_set_secure_params(struct mwifiex_private *priv,
			      struct mwifiex_uap_bss_param *bss_config,
			      struct cfg80211_ap_settings *params) {
	int i;
	struct mwifiex_wep_key wep_key;

	if (!params->privacy) {
		bss_config->protocol = PROTOCOL_NO_SECURITY;
		bss_config->key_mgmt = KEY_MGMT_NONE;
		bss_config->wpa_cfg.length = 0;
		priv->sec_info.wep_enabled = 0;
		priv->sec_info.wpa_enabled = 0;
		priv->sec_info.wpa2_enabled = 0;

		return 0;
	}

	switch (params->auth_type) {
	case NL80211_AUTHTYPE_OPEN_SYSTEM:
		bss_config->auth_mode = WLAN_AUTH_OPEN;
		break;
	case NL80211_AUTHTYPE_SHARED_KEY:
		bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
		break;
	case NL80211_AUTHTYPE_NETWORK_EAP:
		bss_config->auth_mode = WLAN_AUTH_LEAP;
		break;
	default:
		bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
		break;
	}

	bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;

	for (i = 0; i < params->crypto.n_akm_suites; i++) {
		switch (params->crypto.akm_suites[i]) {
		case WLAN_AKM_SUITE_8021X:
			if (params->crypto.wpa_versions &
			    NL80211_WPA_VERSION_1) {
				bss_config->protocol = PROTOCOL_WPA;
				bss_config->key_mgmt = KEY_MGMT_EAP;
			}
			if (params->crypto.wpa_versions &
			    NL80211_WPA_VERSION_2) {
				bss_config->protocol = PROTOCOL_WPA2;
				bss_config->key_mgmt = KEY_MGMT_EAP;
			}
			break;
		case WLAN_AKM_SUITE_PSK:
			if (params->crypto.wpa_versions &
			    NL80211_WPA_VERSION_1) {
				bss_config->protocol = PROTOCOL_WPA;
				bss_config->key_mgmt = KEY_MGMT_PSK;
			}
			if (params->crypto.wpa_versions &
			    NL80211_WPA_VERSION_2) {
				bss_config->protocol = PROTOCOL_WPA2;
				bss_config->key_mgmt = KEY_MGMT_PSK;
			}
			break;
		default:
			break;
		}
	}
	for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
		switch (params->crypto.ciphers_pairwise[i]) {
		case WLAN_CIPHER_SUITE_WEP40:
		case WLAN_CIPHER_SUITE_WEP104:
			break;
		case WLAN_CIPHER_SUITE_TKIP:
			bss_config->wpa_cfg.pairwise_cipher_wpa = CIPHER_TKIP;
			break;
		case WLAN_CIPHER_SUITE_CCMP:
			bss_config->wpa_cfg.pairwise_cipher_wpa2 =
								CIPHER_AES_CCMP;
		default:
			break;
		}
	}

	switch (params->crypto.cipher_group) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
		if (priv->sec_info.wep_enabled) {
			bss_config->protocol = PROTOCOL_STATIC_WEP;
			bss_config->key_mgmt = KEY_MGMT_NONE;
			bss_config->wpa_cfg.length = 0;

			for (i = 0; i < NUM_WEP_KEYS; i++) {
				wep_key = priv->wep_key[i];
				bss_config->wep_cfg[i].key_index = i;

				if (priv->wep_key_curr_index == i)
					bss_config->wep_cfg[i].is_default = 1;
				else
					bss_config->wep_cfg[i].is_default = 0;

				bss_config->wep_cfg[i].length =
							     wep_key.key_length;
				memcpy(&bss_config->wep_cfg[i].key,
				       &wep_key.key_material,
				       wep_key.key_length);
			}
		}
		break;
	case WLAN_CIPHER_SUITE_TKIP:
		bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
		break;
	case WLAN_CIPHER_SUITE_CCMP:
		bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
		break;
	default:
		break;
	}

	return 0;
}

/* This function updates 11n related parameters from IE and sets them into
 * bss_config structure.
 */
void
mwifiex_set_ht_params(struct mwifiex_private *priv,
		      struct mwifiex_uap_bss_param *bss_cfg,
		      struct cfg80211_ap_settings *params)
{
	const u8 *ht_ie;

	if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
		return;

	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
				 params->beacon.tail_len);
	if (ht_ie) {
		memcpy(&bss_cfg->ht_cap, ht_ie + 2,
		       sizeof(struct ieee80211_ht_cap));
	} else {
		memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
		bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
		bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
	}

	return;
}

/* This function initializes some of mwifiex_uap_bss_param variables.
 * This helps FW in ignoring invalid values. These values may or may not
 * be get updated to valid ones at later stage.
 */
void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
{
	config->bcast_ssid_ctl = 0x7F;
	config->radio_ctl = 0x7F;
	config->dtim_period = 0x7F;
	config->beacon_period = 0x7FFF;
	config->auth_mode = 0x7F;
	config->rts_threshold = 0x7FFF;
	config->frag_threshold = 0x7FFF;
	config->retry_limit = 0x7F;
}

/* This function parses BSS related parameters from structure
 * and prepares TLVs specific to WPA/WPA2 security.
 * These TLVs are appended to command buffer.
 */
static void
mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
{
	struct host_cmd_tlv_pwk_cipher *pwk_cipher;
	struct host_cmd_tlv_gwk_cipher *gwk_cipher;
	struct host_cmd_tlv_passphrase *passphrase;
	struct host_cmd_tlv_akmp *tlv_akmp;
	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
	u16 cmd_size = *param_size;
	u8 *tlv = *tlv_buf;

	tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
	tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
	tlv_akmp->tlv.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
					sizeof(struct host_cmd_tlv));
	tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
	tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
	cmd_size += sizeof(struct host_cmd_tlv_akmp);
	tlv += sizeof(struct host_cmd_tlv_akmp);

	if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
		pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
		pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
		pwk_cipher->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
				    sizeof(struct host_cmd_tlv));
		pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
		pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
		cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
		tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
	}

	if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
		pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
		pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
		pwk_cipher->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
				    sizeof(struct host_cmd_tlv));
		pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
		pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
		cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
		tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
	}

	if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
		gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
		gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
		gwk_cipher->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
				    sizeof(struct host_cmd_tlv));
		gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
		cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
		tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
	}

	if (bss_cfg->wpa_cfg.length) {
		passphrase = (struct host_cmd_tlv_passphrase *)tlv;
		passphrase->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
		passphrase->tlv.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
		memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
		       bss_cfg->wpa_cfg.length);
		cmd_size += sizeof(struct host_cmd_tlv) +
			    bss_cfg->wpa_cfg.length;
		tlv += sizeof(struct host_cmd_tlv) + bss_cfg->wpa_cfg.length;
	}

	*param_size = cmd_size;
	*tlv_buf = tlv;

	return;
}

/* This function parses BSS related parameters from structure
 * and prepares TLVs specific to WEP encryption.
 * These TLVs are appended to command buffer.
 */
static void
mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
{
	struct host_cmd_tlv_wep_key *wep_key;
	u16 cmd_size = *param_size;
	int i;
	u8 *tlv = *tlv_buf;
	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;

	for (i = 0; i < NUM_WEP_KEYS; i++) {
		if (bss_cfg->wep_cfg[i].length &&
		    (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
		     bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
			wep_key = (struct host_cmd_tlv_wep_key *)tlv;
			wep_key->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
			wep_key->tlv.len =
				cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
			wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
			wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
			memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
			       bss_cfg->wep_cfg[i].length);
			cmd_size += sizeof(struct host_cmd_tlv) + 2 +
				    bss_cfg->wep_cfg[i].length;
			tlv += sizeof(struct host_cmd_tlv) + 2 +
				    bss_cfg->wep_cfg[i].length;
		}
	}

	*param_size = cmd_size;
	*tlv_buf = tlv;

	return;
}

/* This function parses BSS related parameters from structure
 * and prepares TLVs. These TLVs are appended to command buffer.
*/
static int
mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
{
	struct host_cmd_tlv_dtim_period *dtim_period;
	struct host_cmd_tlv_beacon_period *beacon_period;
	struct host_cmd_tlv_ssid *ssid;
	struct host_cmd_tlv_bcast_ssid *bcast_ssid;
	struct host_cmd_tlv_channel_band *chan_band;
	struct host_cmd_tlv_frag_threshold *frag_threshold;
	struct host_cmd_tlv_rts_threshold *rts_threshold;
	struct host_cmd_tlv_retry_limit *retry_limit;
	struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
	struct host_cmd_tlv_auth_type *auth_type;
	struct mwifiex_ie_types_htcap *htcap;
	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
	u16 cmd_size = *param_size;

	if (bss_cfg->ssid.ssid_len) {
		ssid = (struct host_cmd_tlv_ssid *)tlv;
		ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
		ssid->tlv.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
		memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
		cmd_size += sizeof(struct host_cmd_tlv) +
			    bss_cfg->ssid.ssid_len;
		tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len;

		bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
		bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
		bcast_ssid->tlv.len =
				cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
		bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
		cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
		tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
	}
	if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) {
		chan_band = (struct host_cmd_tlv_channel_band *)tlv;
		chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
		chan_band->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
				    sizeof(struct host_cmd_tlv));
		chan_band->band_config = bss_cfg->band_cfg;
		chan_band->channel = bss_cfg->channel;
		cmd_size += sizeof(struct host_cmd_tlv_channel_band);
		tlv += sizeof(struct host_cmd_tlv_channel_band);
	}
	if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
	    bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
		beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
		beacon_period->tlv.type =
					cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
		beacon_period->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
				    sizeof(struct host_cmd_tlv));
		beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
		cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
		tlv += sizeof(struct host_cmd_tlv_beacon_period);
	}
	if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
	    bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
		dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
		dtim_period->tlv.type = cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
		dtim_period->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
				    sizeof(struct host_cmd_tlv));
		dtim_period->period = bss_cfg->dtim_period;
		cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
		tlv += sizeof(struct host_cmd_tlv_dtim_period);
	}
	if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
		rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
		rts_threshold->tlv.type =
					cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
		rts_threshold->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
				    sizeof(struct host_cmd_tlv));
		rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
		cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
		tlv += sizeof(struct host_cmd_tlv_frag_threshold);
	}
	if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
	    (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
		frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
		frag_threshold->tlv.type =
				cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
		frag_threshold->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
				    sizeof(struct host_cmd_tlv));
		frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
		cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
		tlv += sizeof(struct host_cmd_tlv_frag_threshold);
	}
	if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
		retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
		retry_limit->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
		retry_limit->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
				    sizeof(struct host_cmd_tlv));
		retry_limit->limit = (u8)bss_cfg->retry_limit;
		cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
		tlv += sizeof(struct host_cmd_tlv_retry_limit);
	}
	if ((bss_cfg->protocol & PROTOCOL_WPA) ||
	    (bss_cfg->protocol & PROTOCOL_WPA2) ||
	    (bss_cfg->protocol & PROTOCOL_EAP))
		mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
	else
		mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);

	if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
	    (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
		auth_type = (struct host_cmd_tlv_auth_type *)tlv;
		auth_type->tlv.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
		auth_type->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
			sizeof(struct host_cmd_tlv));
		auth_type->auth_type = (u8)bss_cfg->auth_mode;
		cmd_size += sizeof(struct host_cmd_tlv_auth_type);
		tlv += sizeof(struct host_cmd_tlv_auth_type);
	}
	if (bss_cfg->protocol) {
		encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
		encrypt_protocol->tlv.type =
			cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
		encrypt_protocol->tlv.len =
			cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
			- sizeof(struct host_cmd_tlv));
		encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
		cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
		tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
	}

	if (bss_cfg->ht_cap.cap_info) {
		htcap = (struct mwifiex_ie_types_htcap *)tlv;
		htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
		htcap->header.len =
				cpu_to_le16(sizeof(struct ieee80211_ht_cap));
		htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
		htcap->ht_cap.ampdu_params_info =
					     bss_cfg->ht_cap.ampdu_params_info;
		memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
		       sizeof(struct ieee80211_mcs_info));
		htcap->ht_cap.extended_ht_cap_info =
					bss_cfg->ht_cap.extended_ht_cap_info;
		htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
		htcap->ht_cap.antenna_selection_info =
					bss_cfg->ht_cap.antenna_selection_info;
		cmd_size += sizeof(struct mwifiex_ie_types_htcap);
		tlv += sizeof(struct mwifiex_ie_types_htcap);
	}

	*param_size = cmd_size;

	return 0;
}

/* This function parses custom IEs from IE list and prepares command buffer */
static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
{
	struct mwifiex_ie_list *ap_ie = cmd_buf;
	struct host_cmd_tlv *tlv_ie = (struct host_cmd_tlv *)tlv;

	if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
		return -1;

	*ie_size += le16_to_cpu(ap_ie->len) + sizeof(struct host_cmd_tlv);

	tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
	tlv_ie->len = ap_ie->len;
	tlv += sizeof(struct host_cmd_tlv);

	memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));

	return 0;
}

/* Parse AP config structure and prepare TLV based command structure
 * to be sent to FW for uAP configuration
 */
static int
mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
			   u32 type, void *cmd_buf)
{
	u8 *tlv;
	u16 cmd_size, param_size, ie_size;
	struct host_cmd_ds_sys_config *sys_cfg;

	cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
	cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
	sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
	sys_cfg->action = cpu_to_le16(cmd_action);
	tlv = sys_cfg->tlv;

	switch (type) {
	case UAP_BSS_PARAMS_I:
		param_size = cmd_size;
		if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
			return -1;
		cmd->size = cpu_to_le16(param_size);
		break;
	case UAP_CUSTOM_IE_I:
		ie_size = cmd_size;
		if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
			return -1;
		cmd->size = cpu_to_le16(ie_size);
		break;
	default:
		return -1;
	}

	return 0;
}

/* This function prepares the AP specific commands before sending them
 * to the firmware.
 * This is a generic function which calls specific command preparation
 * routines based upon the command number.
 */
int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
			    u16 cmd_action, u32 type,
			    void *data_buf, void *cmd_buf)
{
	struct host_cmd_ds_command *cmd = cmd_buf;

	switch (cmd_no) {
	case HostCmd_CMD_UAP_SYS_CONFIG:
		if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
			return -1;
		break;
	case HostCmd_CMD_UAP_BSS_START:
	case HostCmd_CMD_UAP_BSS_STOP:
		cmd->command = cpu_to_le16(cmd_no);
		cmd->size = cpu_to_le16(S_DS_GEN);
		break;
	default:
		dev_err(priv->adapter->dev,
			"PREP_CMD: unknown cmd %#x\n", cmd_no);
		return -1;
	}

	return 0;
}
Commit	Line	Data
40d07030 AP	1	/*
	2	* Marvell Wireless LAN device driver: AP specific command handling
	3	*
	4	* Copyright (C) 2012, Marvell International Ltd.
	5	*
	6	* This software file (the "File") is distributed by Marvell International
	7	* Ltd. under the terms of the GNU General Public License Version 2, June 1991
	8	* (the "License"). You may use, redistribute and/or modify this File in
	9	* accordance with the terms and conditions of the License, a copy of which
	10	* is available by writing to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
	12	* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
	13	*
	14	* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
	15	* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
	16	* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
	17	* this warranty disclaimer.
	18	*/
	19
	20	#include "main.h"
	21
f752dcd5 AP	22	/* This function parses security related parameters from cfg80211_ap_settings
	23	* and sets into FW understandable bss_config structure.
	24	*/
	25	int mwifiex_set_secure_params(struct mwifiex_private *priv,
	26	struct mwifiex_uap_bss_param *bss_config,
	27	struct cfg80211_ap_settings *params) {
	28	int i;
96893538	29	struct mwifiex_wep_key wep_key;
f752dcd5	30
6ddcd464 AP	31	if (!params->privacy) {
	32	bss_config->protocol = PROTOCOL_NO_SECURITY;
	33	bss_config->key_mgmt = KEY_MGMT_NONE;
	34	bss_config->wpa_cfg.length = 0;
	35	priv->sec_info.wep_enabled = 0;
	36	priv->sec_info.wpa_enabled = 0;
	37	priv->sec_info.wpa2_enabled = 0;
	38
	39	return 0;
	40	}
	41
f752dcd5 AP	42	switch (params->auth_type) {
	43	case NL80211_AUTHTYPE_OPEN_SYSTEM:
	44	bss_config->auth_mode = WLAN_AUTH_OPEN;
	45	break;
	46	case NL80211_AUTHTYPE_SHARED_KEY:
	47	bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
	48	break;
	49	case NL80211_AUTHTYPE_NETWORK_EAP:
	50	bss_config->auth_mode = WLAN_AUTH_LEAP;
	51	break;
	52	default:
	53	bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
	54	break;
	55	}
	56
	57	bss_config->key_mgmt_operation \|= KEY_MGMT_ON_HOST;
	58
	59	for (i = 0; i < params->crypto.n_akm_suites; i++) {
	60	switch (params->crypto.akm_suites[i]) {
	61	case WLAN_AKM_SUITE_8021X:
	62	if (params->crypto.wpa_versions &
	63	NL80211_WPA_VERSION_1) {
	64	bss_config->protocol = PROTOCOL_WPA;
	65	bss_config->key_mgmt = KEY_MGMT_EAP;
	66	}
	67	if (params->crypto.wpa_versions &
	68	NL80211_WPA_VERSION_2) {
	69	bss_config->protocol = PROTOCOL_WPA2;
	70	bss_config->key_mgmt = KEY_MGMT_EAP;
	71	}
	72	break;
	73	case WLAN_AKM_SUITE_PSK:
	74	if (params->crypto.wpa_versions &
	75	NL80211_WPA_VERSION_1) {
	76	bss_config->protocol = PROTOCOL_WPA;
	77	bss_config->key_mgmt = KEY_MGMT_PSK;
	78	}
	79	if (params->crypto.wpa_versions &
	80	NL80211_WPA_VERSION_2) {
	81	bss_config->protocol = PROTOCOL_WPA2;
	82	bss_config->key_mgmt = KEY_MGMT_PSK;
	83	}
	84	break;
	85	default:
	86	break;
	87	}
	88	}
	89	for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
	90	switch (params->crypto.ciphers_pairwise[i]) {
	91	case WLAN_CIPHER_SUITE_WEP40:
	92	case WLAN_CIPHER_SUITE_WEP104:
	93	break;
	94	case WLAN_CIPHER_SUITE_TKIP:
	95	bss_config->wpa_cfg.pairwise_cipher_wpa = CIPHER_TKIP;
	96	break;
	97	case WLAN_CIPHER_SUITE_CCMP:
	98	bss_config->wpa_cfg.pairwise_cipher_wpa2 =
	99	CIPHER_AES_CCMP;
	100	default:
	101	break;
	102	}
	103	}
	104
	105	switch (params->crypto.cipher_group) {
106	case WLAN_CIPHER_SUITE_WEP40:
107	case WLAN_CIPHER_SUITE_WEP104:
96893538 AP	108	if (priv->sec_info.wep_enabled) {
	109	bss_config->protocol = PROTOCOL_STATIC_WEP;
	110	bss_config->key_mgmt = KEY_MGMT_NONE;
	111	bss_config->wpa_cfg.length = 0;
	112
	113	for (i = 0; i < NUM_WEP_KEYS; i++) {
	114	wep_key = priv->wep_key[i];
	115	bss_config->wep_cfg[i].key_index = i;
	116
	117	if (priv->wep_key_curr_index == i)
	118	bss_config->wep_cfg[i].is_default = 1;
	119	else
	120	bss_config->wep_cfg[i].is_default = 0;
	121
	122	bss_config->wep_cfg[i].length =
	123	wep_key.key_length;
	124	memcpy(&bss_config->wep_cfg[i].key,
	125	&wep_key.key_material,
	126	wep_key.key_length);
	127	}
	128	}
f752dcd5 AP	129	break;
	130	case WLAN_CIPHER_SUITE_TKIP:
	131	bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
	132	break;
	133	case WLAN_CIPHER_SUITE_CCMP:
	134	bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
	135	break;
	136	default:
	137	break;
	138	}
	139
	140	return 0;
	141	}
	142
22281256 AP	143	/* This function updates 11n related parameters from IE and sets them into
	144	* bss_config structure.
	145	*/
	146	void
	147	mwifiex_set_ht_params(struct mwifiex_private *priv,
	148	struct mwifiex_uap_bss_param *bss_cfg,
	149	struct cfg80211_ap_settings *params)
	150	{
	151	const u8 *ht_ie;
	152
	153	if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
	154	return;
	155
	156	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
	157	params->beacon.tail_len);
	158	if (ht_ie) {
	159	memcpy(&bss_cfg->ht_cap, ht_ie + 2,
	160	sizeof(struct ieee80211_ht_cap));
	161	} else {
	162	memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
	163	bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
	164	bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
	165	}
	166
	167	return;
	168	}
	169
9b930eae AP	170	/* This function initializes some of mwifiex_uap_bss_param variables.
	171	* This helps FW in ignoring invalid values. These values may or may not
	172	* be get updated to valid ones at later stage.
	173	*/
	174	void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
	175	{
f752dcd5 AP	176	config->bcast_ssid_ctl = 0x7F;
	177	config->radio_ctl = 0x7F;
	178	config->dtim_period = 0x7F;
	179	config->beacon_period = 0x7FFF;
	180	config->auth_mode = 0x7F;
9b930eae AP	181	config->rts_threshold = 0x7FFF;
	182	config->frag_threshold = 0x7FFF;
	183	config->retry_limit = 0x7F;
	184	}
	185
5d66cb62 AP	186	/* This function parses BSS related parameters from structure
	187	* and prepares TLVs specific to WPA/WPA2 security.
	188	* These TLVs are appended to command buffer.
	189	*/
	190	static void
	191	mwifiex_uap_bss_wpa(u8 *tlv_buf, void cmd_buf, u16 *param_size)
	192	{
	193	struct host_cmd_tlv_pwk_cipher *pwk_cipher;
	194	struct host_cmd_tlv_gwk_cipher *gwk_cipher;
	195	struct host_cmd_tlv_passphrase *passphrase;
	196	struct host_cmd_tlv_akmp *tlv_akmp;
	197	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
	198	u16 cmd_size = *param_size;
	199	u8 tlv = tlv_buf;
	200
	201	tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
	202	tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
	203	tlv_akmp->tlv.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
	204	sizeof(struct host_cmd_tlv));
	205	tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
	206	tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
	207	cmd_size += sizeof(struct host_cmd_tlv_akmp);
	208	tlv += sizeof(struct host_cmd_tlv_akmp);
	209
	210	if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
	211	pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
	212	pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
	213	pwk_cipher->tlv.len =
	214	cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
	215	sizeof(struct host_cmd_tlv));
	216	pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
	217	pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
	218	cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
	219	tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
	220	}
	221
	222	if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
	223	pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
	224	pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
	225	pwk_cipher->tlv.len =
	226	cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
	227	sizeof(struct host_cmd_tlv));
	228	pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
	229	pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
	230	cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
	231	tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
	232	}
	233
	234	if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
	235	gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
	236	gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
	237	gwk_cipher->tlv.len =
	238	cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
	239	sizeof(struct host_cmd_tlv));
	240	gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
	241	cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
	242	tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
	243	}
	244
	245	if (bss_cfg->wpa_cfg.length) {
	246	passphrase = (struct host_cmd_tlv_passphrase *)tlv;
	247	passphrase->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
	248	passphrase->tlv.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
	249	memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
250	bss_cfg->wpa_cfg.length);
251	cmd_size += sizeof(struct host_cmd_tlv) +
252	bss_cfg->wpa_cfg.length;
253	tlv += sizeof(struct host_cmd_tlv) + bss_cfg->wpa_cfg.length;
254	}
255
256	*param_size = cmd_size;
257	*tlv_buf = tlv;
258
259	return;
260	}
261
96893538 AP	262	/* This function parses BSS related parameters from structure
	263	* and prepares TLVs specific to WEP encryption.
	264	* These TLVs are appended to command buffer.
	265	*/
	266	static void
	267	mwifiex_uap_bss_wep(u8 *tlv_buf, void cmd_buf, u16 *param_size)
	268	{
	269	struct host_cmd_tlv_wep_key *wep_key;
	270	u16 cmd_size = *param_size;
	271	int i;
	272	u8 tlv = tlv_buf;
	273	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
	274
	275	for (i = 0; i < NUM_WEP_KEYS; i++) {
	276	if (bss_cfg->wep_cfg[i].length &&
	277	(bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 \|\|
	278	bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
	279	wep_key = (struct host_cmd_tlv_wep_key *)tlv;
	280	wep_key->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
	281	wep_key->tlv.len =
	282	cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
	283	wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
	284	wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
	285	memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
	286	bss_cfg->wep_cfg[i].length);
	287	cmd_size += sizeof(struct host_cmd_tlv) + 2 +
	288	bss_cfg->wep_cfg[i].length;
	289	tlv += sizeof(struct host_cmd_tlv) + 2 +
	290	bss_cfg->wep_cfg[i].length;
	291	}
	292	}
	293
	294	*param_size = cmd_size;
	295	*tlv_buf = tlv;
	296
	297	return;
	298	}
	299
e76268da AP	300	/* This function parses BSS related parameters from structure
	301	* and prepares TLVs. These TLVs are appended to command buffer.
	302	*/
	303	static int
	304	mwifiex_uap_bss_param_prepare(u8 tlv, void cmd_buf, u16 *param_size)
4db16a18	305	{
12190c5d AP	306	struct host_cmd_tlv_dtim_period *dtim_period;
	307	struct host_cmd_tlv_beacon_period *beacon_period;
	308	struct host_cmd_tlv_ssid *ssid;
7a1c9934	309	struct host_cmd_tlv_bcast_ssid *bcast_ssid;
4db16a18	310	struct host_cmd_tlv_channel_band *chan_band;
9b930eae AP	311	struct host_cmd_tlv_frag_threshold *frag_threshold;
	312	struct host_cmd_tlv_rts_threshold *rts_threshold;
	313	struct host_cmd_tlv_retry_limit *retry_limit;
f752dcd5 AP	314	struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
f752dcd5 AP	315	struct host_cmd_tlv_auth_type *auth_type;
22281256	316	struct mwifiex_ie_types_htcap *htcap;
4db16a18	317	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
e76268da	318	u16 cmd_size = *param_size;
4db16a18	319
12190c5d AP	320	if (bss_cfg->ssid.ssid_len) {
	321	ssid = (struct host_cmd_tlv_ssid *)tlv;
	322	ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
	323	ssid->tlv.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
	324	memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
	325	cmd_size += sizeof(struct host_cmd_tlv) +
	326	bss_cfg->ssid.ssid_len;
	327	tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len;
7a1c9934 AP	328
	329	bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
	330	bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
	331	bcast_ssid->tlv.len =
	332	cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
	333	bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
	334	cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
	335	tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
12190c5d	336	}
4db16a18 AP	337	if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) {
	338	chan_band = (struct host_cmd_tlv_channel_band *)tlv;
	339	chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
	340	chan_band->tlv.len =
	341	cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
	342	sizeof(struct host_cmd_tlv));
	343	chan_band->band_config = bss_cfg->band_cfg;
	344	chan_band->channel = bss_cfg->channel;
	345	cmd_size += sizeof(struct host_cmd_tlv_channel_band);
	346	tlv += sizeof(struct host_cmd_tlv_channel_band);
	347	}
12190c5d AP	348	if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
	349	bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
	350	beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
	351	beacon_period->tlv.type =
	352	cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
	353	beacon_period->tlv.len =
	354	cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
	355	sizeof(struct host_cmd_tlv));
	356	beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
	357	cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
	358	tlv += sizeof(struct host_cmd_tlv_beacon_period);
	359	}
	360	if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
	361	bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
	362	dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
	363	dtim_period->tlv.type = cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
	364	dtim_period->tlv.len =
	365	cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
	366	sizeof(struct host_cmd_tlv));
	367	dtim_period->period = bss_cfg->dtim_period;
	368	cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
	369	tlv += sizeof(struct host_cmd_tlv_dtim_period);
	370	}
9b930eae AP	371	if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
	372	rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
	373	rts_threshold->tlv.type =
	374	cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
	375	rts_threshold->tlv.len =
	376	cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
	377	sizeof(struct host_cmd_tlv));
	378	rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
	379	cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
	380	tlv += sizeof(struct host_cmd_tlv_frag_threshold);
	381	}
	382	if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
	383	(bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
	384	frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
	385	frag_threshold->tlv.type =
	386	cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
	387	frag_threshold->tlv.len =
	388	cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
	389	sizeof(struct host_cmd_tlv));
	390	frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
	391	cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
	392	tlv += sizeof(struct host_cmd_tlv_frag_threshold);
	393	}
	394	if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
	395	retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
	396	retry_limit->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
	397	retry_limit->tlv.len =
	398	cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
	399	sizeof(struct host_cmd_tlv));
	400	retry_limit->limit = (u8)bss_cfg->retry_limit;
	401	cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
	402	tlv += sizeof(struct host_cmd_tlv_retry_limit);
	403	}
f752dcd5 AP	404	if ((bss_cfg->protocol & PROTOCOL_WPA) \|\|
f752dcd5 AP	405	(bss_cfg->protocol & PROTOCOL_WPA2) \|\|
5d66cb62 AP	406	(bss_cfg->protocol & PROTOCOL_EAP))
5d66cb62 AP	407	mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
96893538 AP	408	else
96893538 AP	409	mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
f752dcd5	410
f752dcd5 AP	411	if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) \|\|
	412	(bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
	413	auth_type = (struct host_cmd_tlv_auth_type *)tlv;
	414	auth_type->tlv.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
	415	auth_type->tlv.len =
	416	cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
	417	sizeof(struct host_cmd_tlv));
	418	auth_type->auth_type = (u8)bss_cfg->auth_mode;
	419	cmd_size += sizeof(struct host_cmd_tlv_auth_type);
	420	tlv += sizeof(struct host_cmd_tlv_auth_type);
	421	}
	422	if (bss_cfg->protocol) {
	423	encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
	424	encrypt_protocol->tlv.type =
	425	cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
	426	encrypt_protocol->tlv.len =
	427	cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
	428	- sizeof(struct host_cmd_tlv));
	429	encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
	430	cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
	431	tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
	432	}
4db16a18	433
22281256 AP	434	if (bss_cfg->ht_cap.cap_info) {
	435	htcap = (struct mwifiex_ie_types_htcap *)tlv;
	436	htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
	437	htcap->header.len =
	438	cpu_to_le16(sizeof(struct ieee80211_ht_cap));
	439	htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
	440	htcap->ht_cap.ampdu_params_info =
	441	bss_cfg->ht_cap.ampdu_params_info;
	442	memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
	443	sizeof(struct ieee80211_mcs_info));
	444	htcap->ht_cap.extended_ht_cap_info =
	445	bss_cfg->ht_cap.extended_ht_cap_info;
	446	htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
	447	htcap->ht_cap.antenna_selection_info =
	448	bss_cfg->ht_cap.antenna_selection_info;
	449	cmd_size += sizeof(struct mwifiex_ie_types_htcap);
	450	tlv += sizeof(struct mwifiex_ie_types_htcap);
	451	}
	452
e76268da AP	453	*param_size = cmd_size;
	454
	455	return 0;
	456	}
	457
ede98bfa AP	458	/* This function parses custom IEs from IE list and prepares command buffer */
	459	static int mwifiex_uap_custom_ie_prepare(u8 tlv, void cmd_buf, u16 *ie_size)
	460	{
	461	struct mwifiex_ie_list *ap_ie = cmd_buf;
	462	struct host_cmd_tlv tlv_ie = (struct host_cmd_tlv )tlv;
	463
	464	if (!ap_ie \|\| !ap_ie->len \|\| !ap_ie->ie_list)
	465	return -1;
	466
	467	*ie_size += le16_to_cpu(ap_ie->len) + sizeof(struct host_cmd_tlv);
	468
	469	tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
	470	tlv_ie->len = ap_ie->len;
	471	tlv += sizeof(struct host_cmd_tlv);
	472
	473	memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
	474
	475	return 0;
	476	}
	477
e76268da AP	478	/* Parse AP config structure and prepare TLV based command structure
	479	* to be sent to FW for uAP configuration
	480	*/
	481	static int
	482	mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
	483	u32 type, void *cmd_buf)
	484	{
	485	u8 *tlv;
ede98bfa	486	u16 cmd_size, param_size, ie_size;
e76268da AP	487	struct host_cmd_ds_sys_config *sys_cfg;
	488
	489	cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
	490	cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
	491	sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
	492	sys_cfg->action = cpu_to_le16(cmd_action);
	493	tlv = sys_cfg->tlv;
	494
	495	switch (type) {
	496	case UAP_BSS_PARAMS_I:
	497	param_size = cmd_size;
	498	if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
	499	return -1;
	500	cmd->size = cpu_to_le16(param_size);
	501	break;
ede98bfa AP	502	case UAP_CUSTOM_IE_I:
	503	ie_size = cmd_size;
	504	if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
	505	return -1;
	506	cmd->size = cpu_to_le16(ie_size);
	507	break;
e76268da AP	508	default:
	509	return -1;
	510	}
	511
4db16a18 AP	512	return 0;
	513	}
	514
40d07030 AP	515	/* This function prepares the AP specific commands before sending them
	516	* to the firmware.
	517	* This is a generic function which calls specific command preparation
	518	* routines based upon the command number.
	519	*/
	520	int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
e76268da	521	u16 cmd_action, u32 type,
40d07030 AP	522	void data_buf, void cmd_buf)
	523	{
	524	struct host_cmd_ds_command *cmd = cmd_buf;
	525
	526	switch (cmd_no) {
4db16a18	527	case HostCmd_CMD_UAP_SYS_CONFIG:
e76268da	528	if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
4db16a18 AP	529	return -1;
4db16a18 AP	530	break;
40d07030 AP	531	case HostCmd_CMD_UAP_BSS_START:
	532	case HostCmd_CMD_UAP_BSS_STOP:
	533	cmd->command = cpu_to_le16(cmd_no);
	534	cmd->size = cpu_to_le16(S_DS_GEN);
	535	break;
	536	default:
	537	dev_err(priv->adapter->dev,
	538	"PREP_CMD: unknown cmd %#x\n", cmd_no);
	539	return -1;
	540	}
	541
	542	return 0;
	543	}