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linux/drivers/net/wireless/mwifiex/uap_cmd.c

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/*
* 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:
if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
bss_config->wpa_cfg.pairwise_cipher_wpa |=
CIPHER_TKIP;
if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
CIPHER_TKIP;
break;
case WLAN_CIPHER_SUITE_CCMP:
if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
bss_config->wpa_cfg.pairwise_cipher_wpa |=
CIPHER_AES_CCMP;
if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
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));
priv->ap_11n_enabled = 1;
} 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 finds supported rates IE from beacon parameter and sets
* these rates into bss_config structure.
*/
void
mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params)
{
struct ieee_types_header *rate_ie;
int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
const u8 *var_pos = params->beacon.head + var_offset;
int len = params->beacon.head_len - var_offset;
u8 rate_len = 0;
rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
if (rate_ie) {
memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
rate_len = rate_ie->len;
}
rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
params->beacon.tail,
params->beacon.tail_len);
if (rate_ie)
memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
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 host_cmd_tlv_rates *tlv_rates;
struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
struct mwifiex_ie_types_htcap *htcap;
struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
int i;
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->rates[0]) {
tlv_rates = (struct host_cmd_tlv_rates *)tlv;
tlv_rates->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
i++)
tlv_rates->rates[i] = bss_cfg->rates[i];
tlv_rates->tlv.len = cpu_to_le16(i);
cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
tlv += sizeof(struct host_cmd_tlv_rates) + i;
}
if (bss_cfg->channel &&
((bss_cfg->band_cfg == BAND_CONFIG_BG &&
bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
(bss_cfg->band_cfg == BAND_CONFIG_A &&
bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
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);
}
if (bss_cfg->sta_ao_timer) {
ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
ao_timer->tlv.len = cpu_to_le16(sizeof(*ao_timer) -
sizeof(struct host_cmd_tlv));
ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
cmd_size += sizeof(*ao_timer);
tlv += sizeof(*ao_timer);
}
if (bss_cfg->ps_sta_ao_timer) {
ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
ps_ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
ps_ao_timer->tlv.len = cpu_to_le16(sizeof(*ps_ao_timer) -
sizeof(struct host_cmd_tlv));
ps_ao_timer->sta_ao_timer =
cpu_to_le32(bss_cfg->ps_sta_ao_timer);
cmd_size += sizeof(*ps_ao_timer);
tlv += sizeof(*ps_ao_timer);
}
*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;
}
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