// SPDX-License-Identifier: GPL-2.0-only
/*
* nxpwifi: functions for station ioctl
*
* Copyright 2011-2024 NXP
*/
#include "cfg.h"
#include "util.h"
#include "fw.h"
#include "main.h"
#include "cmdevt.h"
#include "wmm.h"
#include "11n.h"
#include "cfg80211.h"
static int disconnect_on_suspend;
/* Copies the multicast address list from device to driver */
int nxpwifi_copy_mcast_addr(struct nxpwifi_multicast_list *mlist,
struct net_device *dev)
{
int i = 0;
struct netdev_hw_addr *ha;
netdev_for_each_mc_addr(ha, dev)
memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
return i;
}
/* Wait queue completion handler */
int nxpwifi_wait_queue_complete(struct nxpwifi_adapter *adapter,
struct cmd_ctrl_node *cmd_queued)
{
int status;
/* Wait for completion */
status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait,
*cmd_queued->condition,
(12 * HZ));
if (status <= 0) {
if (status == 0)
status = -ETIMEDOUT;
nxpwifi_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n",
status);
nxpwifi_cancel_all_pending_cmd(adapter);
/*
* The response path writes through cmd_node->data_buf. The
* caller can release a stack-allocated data_buf after an
* interrupted wait while a late response is still pending.
* Detach it from the current command before returning.
*/
spin_lock_bh(&adapter->nxpwifi_cmd_lock);
if (adapter->curr_cmd == cmd_queued)
adapter->curr_cmd->data_buf = NULL;
spin_unlock_bh(&adapter->nxpwifi_cmd_lock);
return status;
}
status = adapter->cmd_wait_q.status;
adapter->cmd_wait_q.status = 0;
return status;
}
/* Set multicast list by issuing the proper firmware command */
int
nxpwifi_request_set_multicast_list(struct nxpwifi_private *priv,
struct nxpwifi_multicast_list *mcast_list)
{
int ret = 0;
u16 old_pkt_filter;
old_pkt_filter = priv->curr_pkt_filter;
if (mcast_list->mode == NXPWIFI_PROMISC_MODE) {
nxpwifi_dbg(priv->adapter, INFO,
"info: Enable Promiscuous mode\n");
priv->curr_pkt_filter |= HOST_ACT_MAC_PROMISCUOUS_ENABLE;
priv->curr_pkt_filter &=
~HOST_ACT_MAC_ALL_MULTICAST_ENABLE;
} else {
/* Multicast */
priv->curr_pkt_filter &= ~HOST_ACT_MAC_PROMISCUOUS_ENABLE;
if (mcast_list->mode == NXPWIFI_ALL_MULTI_MODE) {
nxpwifi_dbg(priv->adapter, INFO,
"info: Enabling All Multicast!\n");
priv->curr_pkt_filter |=
HOST_ACT_MAC_ALL_MULTICAST_ENABLE;
} else {
priv->curr_pkt_filter &=
~HOST_ACT_MAC_ALL_MULTICAST_ENABLE;
nxpwifi_dbg(priv->adapter, INFO,
"info: Set multicast list=%d\n",
mcast_list->num_multicast_addr);
/* Send multicast addresses to firmware */
ret = nxpwifi_send_cmd(priv,
HOST_CMD_MAC_MULTICAST_ADR,
HOST_ACT_GEN_SET, 0,
mcast_list, false);
}
}
nxpwifi_dbg(priv->adapter, INFO,
"info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
old_pkt_filter, priv->curr_pkt_filter);
if (old_pkt_filter != priv->curr_pkt_filter) {
ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL,
HOST_ACT_GEN_SET,
0, &priv->curr_pkt_filter, false);
}
return ret;
}
/* Fill BSS descriptor from cfg80211_bss */
int nxpwifi_fill_new_bss_desc(struct nxpwifi_private *priv,
struct cfg80211_bss *bss,
struct nxpwifi_bssdescriptor *bss_desc)
{
u8 *beacon_ie;
size_t beacon_ie_len;
struct nxpwifi_bss_priv *bss_priv = (void *)bss->priv;
const struct cfg80211_bss_ies *ies;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
beacon_ie_len = ies->len;
bss_desc->timestamp = ies->tsf;
rcu_read_unlock();
if (!beacon_ie) {
nxpwifi_dbg(priv->adapter, ERROR,
" failed to alloc beacon_ie\n");
return -ENOMEM;
}
memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
bss_desc->rssi = bss->signal;
/* The caller of this function will free beacon_ie */
bss_desc->beacon_buf = beacon_ie;
bss_desc->beacon_buf_size = beacon_ie_len;
bss_desc->beacon_period = bss->beacon_interval;
bss_desc->cap_info_bitmap = bss->capability;
bss_desc->bss_band = bss_priv->band;
bss_desc->fw_tsf = bss_priv->fw_tsf;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
nxpwifi_dbg(priv->adapter, INFO,
"info: InterpretIE: AP WEP enabled\n");
bss_desc->privacy = NXPWIFI_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = NXPWIFI_802_11_PRIV_FILTER_ACCEPT_ALL;
}
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
/* Disable 11ac by default */
bss_desc->disable_11ac = true;
/* Disable 11ax by default */
bss_desc->disable_11ax = true;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
bss_desc->sensed_11h = true;
return nxpwifi_update_bss_desc_with_ie(priv->adapter, bss_desc);
}
static int nxpwifi_process_country_ie(struct nxpwifi_private *priv,
struct cfg80211_bss *bss)
{
const u8 *country_ie;
u8 country_ie_len;
struct nxpwifi_802_11d_domain_reg *domain_info =
&priv->adapter->domain_reg;
int ret;
rcu_read_lock();
country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
if (!country_ie) {
rcu_read_unlock();
return 0;
}
country_ie_len = country_ie[1];
if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
rcu_read_unlock();
return 0;
}
if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) {
rcu_read_unlock();
nxpwifi_dbg(priv->adapter, INFO,
"11D: skip setting domain info in FW\n");
return 0;
}
if (country_ie_len >
(IEEE80211_COUNTRY_STRING_LEN + NXPWIFI_MAX_TRIPLET_802_11D)) {
rcu_read_unlock();
nxpwifi_dbg(priv->adapter, ERROR,
"11D: country_ie_len overflow!, deauth AP\n");
return -EINVAL;
}
memcpy(priv->adapter->country_code, &country_ie[2], 2);
domain_info->country_code[0] = country_ie[2];
domain_info->country_code[1] = country_ie[3];
domain_info->country_code[2] = ' ';
country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
domain_info->no_of_triplet =
country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
memcpy((u8 *)domain_info->triplet,
&country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
rcu_read_unlock();
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11D_DOMAIN_INFO,
HOST_ACT_GEN_SET, 0, NULL, false);
if (ret)
nxpwifi_dbg(priv->adapter, ERROR,
"11D: setting domain info in FW fail\n");
return ret;
}
/* In infra mode, an deauthentication is performed first */
int nxpwifi_bss_start(struct nxpwifi_private *priv, struct cfg80211_bss *bss,
struct cfg80211_ssid *req_ssid)
{
int ret;
struct nxpwifi_adapter *adapter = priv->adapter;
struct nxpwifi_bssdescriptor *bss_desc = NULL;
u16 config_bands;
priv->scan_block = false;
if (adapter->region_code == 0x00 &&
nxpwifi_process_country_ie(priv, bss))
return -EINVAL;
/* Allocate and fill new bss descriptor */
bss_desc = kzalloc_obj(*bss_desc, GFP_KERNEL);
if (!bss_desc)
return -ENOMEM;
ret = nxpwifi_fill_new_bss_desc(priv, bss, bss_desc);
if (ret)
goto done;
if (nxpwifi_band_to_radio_type(bss_desc->bss_band) ==
HOST_SCAN_RADIO_TYPE_BG) {
config_bands = BAND_B | BAND_G | BAND_GN;
if (adapter->fw_bands & BAND_GAC)
config_bands |= BAND_GAC;
if (adapter->fw_bands & BAND_GAX)
config_bands |= BAND_GAX;
} else {
config_bands = BAND_A | BAND_AN;
if (adapter->fw_bands & BAND_AAC)
config_bands |= BAND_AAC;
if (adapter->fw_bands & BAND_AAX)
config_bands |= BAND_AAX;
}
if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
priv->config_bands = config_bands;
ret = nxpwifi_check_network_compatibility(priv, bss_desc);
if (ret)
goto done;
if (nxpwifi_11h_get_csa_closed_channel(priv) == (u8)bss_desc->channel) {
nxpwifi_dbg(adapter, ERROR,
"Attempt to reconnect on csa closed chan(%d)\n",
bss_desc->channel);
ret = -EINVAL;
goto done;
}
nxpwifi_stop_net_dev_queue(priv->netdev, adapter);
netif_carrier_off(priv->netdev);
/* Clear any past association response stored for application retrieval */
priv->assoc_rsp_size = 0;
ret = nxpwifi_associate(priv, bss_desc);
/*
* If auth type is auto and association fails using open mode, try to connect
* using shared mode
*/
if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
priv->sec_info.is_authtype_auto &&
priv->sec_info.wep_enabled) {
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_SHARED_KEY;
ret = nxpwifi_associate(priv, bss_desc);
}
done:
/* beacon_ie buffer was allocated in function nxpwifi_fill_new_bss_desc() */
if (bss_desc)
kfree(bss_desc->beacon_buf);
kfree(bss_desc);
if (ret < 0)
priv->attempted_bss_desc = NULL;
return ret;
}
/* IOCTL request handler to set host sleep configuration */
int nxpwifi_set_hs_params(struct nxpwifi_private *priv, u16 action,
int cmd_type, struct nxpwifi_ds_hs_cfg *hs_cfg)
{
struct nxpwifi_adapter *adapter = priv->adapter;
int status = 0;
u32 prev_cond = 0;
if (!hs_cfg)
return -ENOMEM;
switch (action) {
case HOST_ACT_GEN_SET:
if (adapter->pps_uapsd_mode) {
nxpwifi_dbg(adapter, INFO,
"info: Host Sleep IOCTL\t"
"is blocked in UAPSD/PPS mode\n");
status = -EPERM;
break;
}
if (hs_cfg->is_invoke_hostcmd) {
if (hs_cfg->conditions == HS_CFG_CANCEL) {
if (!test_bit(NXPWIFI_IS_HS_CONFIGURED,
&adapter->work_flags))
/* Already cancelled */
break;
/* Save previous condition */
prev_cond = le32_to_cpu(adapter->hs_cfg
.conditions);
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
} else if (hs_cfg->conditions) {
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
if (hs_cfg->gap)
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
} else if (adapter->hs_cfg.conditions ==
cpu_to_le32(HS_CFG_CANCEL)) {
status = -EINVAL;
break;
}
status = nxpwifi_send_cmd(priv,
HOST_CMD_802_11_HS_CFG_ENH,
HOST_ACT_GEN_SET, 0,
&adapter->hs_cfg,
cmd_type == NXPWIFI_SYNC_CMD);
if (hs_cfg->conditions == HS_CFG_CANCEL)
/* Restore previous condition */
adapter->hs_cfg.conditions =
cpu_to_le32(prev_cond);
} else {
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
}
break;
case HOST_ACT_GEN_GET:
hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
hs_cfg->gpio = adapter->hs_cfg.gpio;
hs_cfg->gap = adapter->hs_cfg.gap;
break;
default:
status = -EINVAL;
break;
}
return status;
}
/* Sends IOCTL request to cancel the existing Host Sleep configuration */
int nxpwifi_cancel_hs(struct nxpwifi_private *priv, int cmd_type)
{
struct nxpwifi_ds_hs_cfg hscfg;
hscfg.conditions = HS_CFG_CANCEL;
hscfg.is_invoke_hostcmd = true;
return nxpwifi_set_hs_params(priv, HOST_ACT_GEN_SET,
cmd_type, &hscfg);
}
EXPORT_SYMBOL_GPL(nxpwifi_cancel_hs);
/* Sends IOCTL request to cancel the existing Host Sleep configuration */
bool nxpwifi_enable_hs(struct nxpwifi_adapter *adapter)
{
struct nxpwifi_ds_hs_cfg hscfg;
struct nxpwifi_private *priv;
int i;
if (disconnect_on_suspend) {
for (i = 0; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
nxpwifi_deauthenticate(priv, NULL);
}
}
priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA);
if (priv && priv->sched_scanning) {
#ifdef CONFIG_PM
if (priv->wdev.wiphy->wowlan_config &&
!priv->wdev.wiphy->wowlan_config->nd_config) {
#endif
nxpwifi_dbg(adapter, CMD, "aborting bgscan!\n");
nxpwifi_stop_bg_scan(priv);
cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0);
#ifdef CONFIG_PM
}
#endif
}
if (adapter->hs_activated) {
nxpwifi_dbg(adapter, CMD,
"cmd: HS Already activated\n");
return true;
}
adapter->hs_activate_wait_q_woken = false;
memset(&hscfg, 0, sizeof(hscfg));
hscfg.is_invoke_hostcmd = true;
set_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags);
nxpwifi_cancel_all_pending_cmd(adapter);
if (nxpwifi_set_hs_params(nxpwifi_get_priv(adapter,
NXPWIFI_BSS_ROLE_STA),
HOST_ACT_GEN_SET, NXPWIFI_SYNC_CMD,
&hscfg)) {
nxpwifi_dbg(adapter, ERROR,
"IOCTL request HS enable failed\n");
return false;
}
if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
adapter->hs_activate_wait_q_woken,
(10 * HZ)) <= 0) {
nxpwifi_dbg(adapter, ERROR,
"hs_activate_wait_q terminated\n");
return false;
}
return true;
}
EXPORT_SYMBOL_GPL(nxpwifi_enable_hs);
/* IOCTL request handler to get BSS information */
int nxpwifi_get_bss_info(struct nxpwifi_private *priv,
struct nxpwifi_bss_info *info)
{
struct nxpwifi_adapter *adapter = priv->adapter;
struct nxpwifi_bssdescriptor *bss_desc;
if (!info)
return -EINVAL;
bss_desc = &priv->curr_bss_params.bss_descriptor;
info->bss_mode = priv->bss_mode;
memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
info->bss_chan = bss_desc->channel;
memcpy(info->country_code, adapter->country_code,
IEEE80211_COUNTRY_STRING_LEN);
info->media_connected = priv->media_connected;
info->max_power_level = priv->max_tx_power_level;
info->min_power_level = priv->min_tx_power_level;
info->bcn_nf_last = priv->bcn_nf_last;
if (priv->sec_info.wep_enabled)
info->wep_status = true;
else
info->wep_status = false;
info->is_hs_configured = test_bit(NXPWIFI_IS_HS_CONFIGURED,
&adapter->work_flags);
info->is_deep_sleep = adapter->is_deep_sleep;
return 0;
}
/* The function disables auto deep sleep mode */
int nxpwifi_disable_auto_ds(struct nxpwifi_private *priv)
{
struct nxpwifi_ds_auto_ds auto_ds = {
.auto_ds = DEEP_SLEEP_OFF,
};
return nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH,
DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
}
EXPORT_SYMBOL_GPL(nxpwifi_disable_auto_ds);
/* Sends IOCTL request to get the data rate */
int nxpwifi_drv_get_data_rate(struct nxpwifi_private *priv, u32 *rate)
{
int ret;
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_TX_RATE_QUERY,
HOST_ACT_GEN_GET, 0, NULL, true);
if (!ret) {
if (priv->is_data_rate_auto)
*rate = nxpwifi_index_to_data_rate(priv, priv->tx_rate,
priv->tx_htinfo);
else
*rate = priv->data_rate;
}
return ret;
}
/* IOCTL request handler to set tx power configuration */
int nxpwifi_set_tx_power(struct nxpwifi_private *priv,
struct nxpwifi_power_cfg *power_cfg)
{
int ret;
struct host_cmd_ds_txpwr_cfg *txp_cfg;
struct nxpwifi_types_power_group *pg_tlv;
struct nxpwifi_power_group *pg;
u8 *buf;
u16 dbm = 0;
if (!power_cfg->is_power_auto) {
dbm = (u16)power_cfg->power_level;
if (dbm < priv->min_tx_power_level ||
dbm > priv->max_tx_power_level) {
nxpwifi_dbg(priv->adapter, ERROR,
"txpower value %d dBm\t"
"is out of range (%d dBm-%d dBm)\n",
dbm, priv->min_tx_power_level,
priv->max_tx_power_level);
return -EINVAL;
}
}
buf = kzalloc(NXPWIFI_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
if (!buf)
return -ENOMEM;
txp_cfg = (struct host_cmd_ds_txpwr_cfg *)buf;
txp_cfg->action = cpu_to_le16(HOST_ACT_GEN_SET);
if (!power_cfg->is_power_auto) {
u16 dbm_min = power_cfg->is_power_fixed ?
dbm : priv->min_tx_power_level;
txp_cfg->mode = cpu_to_le32(1);
pg_tlv = (struct nxpwifi_types_power_group *)
(buf + sizeof(struct host_cmd_ds_txpwr_cfg));
pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
pg_tlv->length =
cpu_to_le16(4 * sizeof(struct nxpwifi_power_group));
pg = (struct nxpwifi_power_group *)
(buf + sizeof(struct host_cmd_ds_txpwr_cfg)
+ sizeof(struct nxpwifi_types_power_group));
/* Power group for modulation class HR/DSSS */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x03;
pg->modulation_class = MOD_CLASS_HR_DSSS;
pg->power_step = 0;
pg->power_min = (s8)dbm_min;
pg->power_max = (s8)dbm;
pg++;
/* Power group for modulation class OFDM */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x07;
pg->modulation_class = MOD_CLASS_OFDM;
pg->power_step = 0;
pg->power_min = (s8)dbm_min;
pg->power_max = (s8)dbm;
pg++;
/* Power group for modulation class HTBW20 */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x20;
pg->modulation_class = MOD_CLASS_HT;
pg->power_step = 0;
pg->power_min = (s8)dbm_min;
pg->power_max = (s8)dbm;
pg->ht_bandwidth = HT_BW_20;
pg++;
/* Power group for modulation class HTBW40 */
pg->first_rate_code = 0x00;
pg->last_rate_code = 0x20;
pg->modulation_class = MOD_CLASS_HT;
pg->power_step = 0;
pg->power_min = (s8)dbm_min;
pg->power_max = (s8)dbm;
pg->ht_bandwidth = HT_BW_40;
}
ret = nxpwifi_send_cmd(priv, HOST_CMD_TXPWR_CFG,
HOST_ACT_GEN_SET, 0, buf, true);
kfree(buf);
return ret;
}
/* IOCTL request handler to get power save mode */
int nxpwifi_drv_set_power(struct nxpwifi_private *priv, u32 *ps_mode)
{
int ret;
struct nxpwifi_adapter *adapter = priv->adapter;
u16 sub_cmd;
if (*ps_mode)
adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_PSP;
else
adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_CAM;
sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH,
sub_cmd, BITMAP_STA_PS, NULL, true);
if (!ret && sub_cmd == DIS_AUTO_PS)
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH,
GET_PS, 0, NULL, false);
return ret;
}
/* IOCTL request handler to set/reset WPA element */
static int nxpwifi_set_wpa_ie(struct nxpwifi_private *priv,
u8 *ie_data_ptr, u16 ie_len)
{
if (ie_len) {
if (ie_len > sizeof(priv->wpa_ie)) {
nxpwifi_dbg(priv->adapter, ERROR,
"failed to copy WPA element, too big\n");
return -EINVAL;
}
memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
priv->wpa_ie_len = ie_len;
nxpwifi_dbg(priv->adapter, CMD,
"cmd: Set WPA element len=%d element=%#x\n",
priv->wpa_ie_len, priv->wpa_ie[0]);
if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
priv->sec_info.wpa_enabled = true;
} else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
priv->sec_info.wpa2_enabled = true;
} else {
priv->sec_info.wpa_enabled = false;
priv->sec_info.wpa2_enabled = false;
}
} else {
memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
priv->wpa_ie_len = 0;
nxpwifi_dbg(priv->adapter, INFO,
"info: reset WPA element len=%d element=%#x\n",
priv->wpa_ie_len, priv->wpa_ie[0]);
priv->sec_info.wpa_enabled = false;
priv->sec_info.wpa2_enabled = false;
}
return 0;
}
/* IOCTL request handler to set/reset WPS element */
static int nxpwifi_set_wps_ie(struct nxpwifi_private *priv,
u8 *ie_data_ptr, u16 ie_len)
{
if (ie_len) {
if (ie_len > NXPWIFI_MAX_VSIE_LEN) {
nxpwifi_dbg(priv->adapter, ERROR,
"info: failed to copy WPS element, too big\n");
return -EINVAL;
}
priv->wps_ie = kzalloc(NXPWIFI_MAX_VSIE_LEN, GFP_KERNEL);
if (!priv->wps_ie)
return -ENOMEM;
memcpy(priv->wps_ie, ie_data_ptr, ie_len);
priv->wps_ie_len = ie_len;
nxpwifi_dbg(priv->adapter, CMD,
"cmd: Set WPS element len=%d element=%#x\n",
priv->wps_ie_len, priv->wps_ie[0]);
} else {
kfree(priv->wps_ie);
priv->wps_ie_len = ie_len;
nxpwifi_dbg(priv->adapter, INFO,
"info: Reset WPS element len=%d\n", priv->wps_ie_len);
}
return 0;
}
/* IOCTL request handler to set WEP network key */
static int
nxpwifi_sec_ioctl_set_wep_key(struct nxpwifi_private *priv,
struct nxpwifi_ds_encrypt_key *encrypt_key)
{
struct nxpwifi_adapter *adapter = priv->adapter;
int ret;
struct nxpwifi_wep_key *wep_key;
int index;
if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
priv->wep_key_curr_index = 0;
wep_key = &priv->wep_key[priv->wep_key_curr_index];
index = encrypt_key->key_index;
if (encrypt_key->key_disable) {
priv->sec_info.wep_enabled = 0;
} else if (!encrypt_key->key_len) {
/* Copy the required key as the current key */
wep_key = &priv->wep_key[index];
if (!wep_key->key_length) {
nxpwifi_dbg(adapter, ERROR,
"key not set, so cannot enable it\n");
return -EINVAL;
}
memcpy(encrypt_key->key_material,
wep_key->key_material, wep_key->key_length);
encrypt_key->key_len = wep_key->key_length;
priv->wep_key_curr_index = (u16)index;
priv->sec_info.wep_enabled = 1;
} else {
wep_key = &priv->wep_key[index];
memset(wep_key, 0, sizeof(struct nxpwifi_wep_key));
/* Copy the key in the driver */
memcpy(wep_key->key_material,
encrypt_key->key_material,
encrypt_key->key_len);
wep_key->key_index = index;
wep_key->key_length = encrypt_key->key_len;
priv->sec_info.wep_enabled = 1;
}
if (wep_key->key_length) {
void *enc_key;
if (encrypt_key->key_disable) {
memset(&priv->wep_key[index], 0,
sizeof(struct nxpwifi_wep_key));
goto done;
}
enc_key = encrypt_key;
/* Send request to firmware */
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL,
HOST_ACT_GEN_SET, 0, enc_key, false);
if (ret)
return ret;
}
done:
if (priv->sec_info.wep_enabled)
priv->curr_pkt_filter |= HOST_ACT_MAC_WEP_ENABLE;
else
priv->curr_pkt_filter &= ~HOST_ACT_MAC_WEP_ENABLE;
ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL,
HOST_ACT_GEN_SET, 0,
&priv->curr_pkt_filter, true);
return ret;
}
/* IOCTL request handler to set WPA key */
static int
nxpwifi_sec_ioctl_set_wpa_key(struct nxpwifi_private *priv,
struct nxpwifi_ds_encrypt_key *encrypt_key)
{
int ret;
u8 remove_key = false;
/* Current driver only supports key length of up to 32 bytes */
if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
nxpwifi_dbg(priv->adapter, ERROR,
"key length too long\n");
return -EINVAL;
}
if (!encrypt_key->key_index)
encrypt_key->key_index = NXPWIFI_KEY_INDEX_UNICAST;
if (remove_key)
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL,
HOST_ACT_GEN_SET,
!KEY_INFO_ENABLED, encrypt_key, true);
else
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL,
HOST_ACT_GEN_SET,
KEY_INFO_ENABLED, encrypt_key, true);
return ret;
}
/* IOCTL request handler to set/get network keys */
static int
nxpwifi_sec_ioctl_encrypt_key(struct nxpwifi_private *priv,
struct nxpwifi_ds_encrypt_key *encrypt_key)
{
int status;
if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
status = nxpwifi_sec_ioctl_set_wpa_key(priv, encrypt_key);
else
status = nxpwifi_sec_ioctl_set_wep_key(priv, encrypt_key);
return status;
}
/* Return driver version string */
int
nxpwifi_drv_get_driver_version(struct nxpwifi_adapter *adapter, char *version,
int max_len)
{
union {
__le32 l;
u8 c[4];
} ver;
char fw_ver[32];
ver.l = cpu_to_le32(adapter->fw_release_number);
sprintf(fw_ver, "%u.%u.%u.p%u.%u", ver.c[2], ver.c[1],
ver.c[0], ver.c[3], adapter->fw_hotfix_ver);
snprintf(version, max_len, nxpwifi_driver_version, fw_ver);
nxpwifi_dbg(adapter, MSG, "info: NXPWIFI VERSION: %s\n", version);
return 0;
}
/* Sends IOCTL request to set encoding parameters */
int nxpwifi_set_encode(struct nxpwifi_private *priv, struct key_params *kp,
const u8 *key, int key_len, u8 key_index,
const u8 *mac_addr, int disable)
{
struct nxpwifi_ds_encrypt_key encrypt_key;
memset(&encrypt_key, 0, sizeof(encrypt_key));
encrypt_key.key_len = key_len;
encrypt_key.key_index = key_index;
if (kp) {
encrypt_key.key_cipher = kp->cipher;
if (kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
kp->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)
encrypt_key.is_igtk_key = true;
}
if (!disable) {
if (key_len)
memcpy(encrypt_key.key_material, key, key_len);
else
encrypt_key.is_current_wep_key = true;
if (mac_addr)
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
if (kp && kp->seq && kp->seq_len) {
memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
encrypt_key.pn_len = kp->seq_len;
encrypt_key.is_rx_seq_valid = true;
}
} else {
encrypt_key.key_disable = true;
if (mac_addr)
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
}
return nxpwifi_sec_ioctl_encrypt_key(priv, &encrypt_key);
}
/* Sends IOCTL request to get extended version */
int
nxpwifi_get_ver_ext(struct nxpwifi_private *priv, u32 version_str_sel)
{
struct nxpwifi_ver_ext ver_ext;
memset(&ver_ext, 0, sizeof(ver_ext));
ver_ext.version_str_sel = version_str_sel;
return nxpwifi_send_cmd(priv, HOST_CMD_VERSION_EXT,
HOST_ACT_GEN_GET, 0, &ver_ext, true);
}
int
nxpwifi_remain_on_chan_cfg(struct nxpwifi_private *priv, u16 action,
struct ieee80211_channel *chan,
unsigned int duration)
{
struct host_cmd_ds_remain_on_chan roc_cfg;
u8 sc;
int ret;
memset(&roc_cfg, 0, sizeof(roc_cfg));
roc_cfg.action = cpu_to_le16(action);
if (action == HOST_ACT_GEN_SET) {
roc_cfg.band_cfg = chan->band;
sc = nxpwifi_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
roc_cfg.band_cfg |= (sc << 2);
roc_cfg.channel =
ieee80211_frequency_to_channel(chan->center_freq);
roc_cfg.duration = cpu_to_le32(duration);
}
ret = nxpwifi_send_cmd(priv, HOST_CMD_REMAIN_ON_CHAN,
action, 0, &roc_cfg, true);
if (ret) {
nxpwifi_dbg(priv->adapter, ERROR,
"failed to remain on channel\n");
return ret;
}
return roc_cfg.status;
}
/* Sends IOCTL request to get statistics information */
int
nxpwifi_get_stats_info(struct nxpwifi_private *priv,
struct nxpwifi_ds_get_stats *log)
{
return nxpwifi_send_cmd(priv, HOST_CMD_802_11_GET_LOG,
HOST_ACT_GEN_GET, 0, log, true);
}
/* IOCTL request handler to read/write register */
static int nxpwifi_reg_mem_ioctl_reg_rw(struct nxpwifi_private *priv,
struct nxpwifi_ds_reg_rw *reg_rw,
u16 action)
{
u16 cmd_no;
switch (reg_rw->type) {
case NXPWIFI_REG_MAC:
cmd_no = HOST_CMD_MAC_REG_ACCESS;
break;
case NXPWIFI_REG_BBP:
cmd_no = HOST_CMD_BBP_REG_ACCESS;
break;
case NXPWIFI_REG_RF:
cmd_no = HOST_CMD_RF_REG_ACCESS;
break;
case NXPWIFI_REG_PMIC:
cmd_no = HOST_CMD_PMIC_REG_ACCESS;
break;
case NXPWIFI_REG_CAU:
cmd_no = HOST_CMD_CAU_REG_ACCESS;
break;
default:
return -EINVAL;
}
return nxpwifi_send_cmd(priv, cmd_no, action, 0, reg_rw, true);
}
/* Sends IOCTL request to write to a register */
int
nxpwifi_reg_write(struct nxpwifi_private *priv, u32 reg_type,
u32 reg_offset, u32 reg_value)
{
struct nxpwifi_ds_reg_rw reg_rw;
reg_rw.type = reg_type;
reg_rw.offset = reg_offset;
reg_rw.value = reg_value;
return nxpwifi_reg_mem_ioctl_reg_rw(priv, ®_rw, HOST_ACT_GEN_SET);
}
/* Sends IOCTL request to read from a register */
int
nxpwifi_reg_read(struct nxpwifi_private *priv, u32 reg_type,
u32 reg_offset, u32 *value)
{
int ret;
struct nxpwifi_ds_reg_rw reg_rw;
reg_rw.type = reg_type;
reg_rw.offset = reg_offset;
ret = nxpwifi_reg_mem_ioctl_reg_rw(priv, ®_rw, HOST_ACT_GEN_GET);
if (!ret)
*value = reg_rw.value;
return ret;
}
/* Sends IOCTL request to read from EEPROM */
int
nxpwifi_eeprom_read(struct nxpwifi_private *priv, u16 offset, u16 bytes,
u8 *value)
{
int ret;
struct nxpwifi_ds_read_eeprom rd_eeprom;
rd_eeprom.offset = offset;
rd_eeprom.byte_count = bytes;
/* Send request to firmware */
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_EEPROM_ACCESS,
HOST_ACT_GEN_GET, 0, &rd_eeprom, true);
if (!ret)
memcpy(value, rd_eeprom.value,
min((u16)MAX_EEPROM_DATA, rd_eeprom.byte_count));
return ret;
}
/* Set generic IE(s); handle WPA/WPS specially */
static int
nxpwifi_set_gen_ie_helper(struct nxpwifi_private *priv, u8 *ie_data_ptr,
u16 ie_len)
{
struct ieee80211_vendor_ie *pvendor_ie;
static const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
static const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
u16 unparsed_len = ie_len, cur_ie_len;
/* If the passed length is zero, reset the buffer */
if (!ie_len) {
priv->gen_ie_buf_len = 0;
priv->wps.session_enable = false;
return 0;
} else if (!ie_data_ptr ||
ie_len <= sizeof(struct element)) {
return -EINVAL;
}
pvendor_ie = (struct ieee80211_vendor_ie *)ie_data_ptr;
while (pvendor_ie) {
cur_ie_len = pvendor_ie->len + sizeof(struct element);
if (pvendor_ie->element_id == WLAN_EID_RSN) {
/* element is a WPA/WPA2 element so call set_wpa function */
nxpwifi_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len);
priv->wps.session_enable = false;
goto next_ie;
}
if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) {
/* Test to see if it is a WPA element, if not, then it is a gen element */
if (!memcmp(&pvendor_ie->oui, wpa_oui,
sizeof(wpa_oui))) {
/* element is a WPA/WPA2 element so call set_wpa function */
nxpwifi_set_wpa_ie(priv, (u8 *)pvendor_ie,
cur_ie_len);
priv->wps.session_enable = false;
goto next_ie;
}
if (!memcmp(&pvendor_ie->oui, wps_oui,
sizeof(wps_oui))) {
/*
* Test to see if it is a WPS element, if so, enable wps session
* flag
*/
priv->wps.session_enable = true;
nxpwifi_dbg(priv->adapter, MSG,
"WPS Session Enabled.\n");
nxpwifi_set_wps_ie(priv, (u8 *)pvendor_ie,
cur_ie_len);
goto next_ie;
}
}
/*
* Verify that the passed length is not larger than the available space
* remaining in the buffer
*/
if (cur_ie_len <
(sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
/* Append the passed data to the end of the genIeBuffer */
memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len,
(u8 *)pvendor_ie, cur_ie_len);
/* Increment the stored buffer length by the size passed */
priv->gen_ie_buf_len += cur_ie_len;
}
next_ie:
unparsed_len -= cur_ie_len;
if (unparsed_len <= sizeof(struct element))
pvendor_ie = NULL;
else
pvendor_ie = (struct ieee80211_vendor_ie *)
(((u8 *)pvendor_ie) + cur_ie_len);
}
return 0;
}
/* IOCTL request handler to set/get generic element */
static int nxpwifi_misc_ioctl_gen_ie(struct nxpwifi_private *priv,
struct nxpwifi_ds_misc_gen_ie *gen_ie,
u16 action)
{
struct nxpwifi_adapter *adapter = priv->adapter;
switch (gen_ie->type) {
case NXPWIFI_IE_TYPE_GEN_IE:
if (action == HOST_ACT_GEN_GET) {
gen_ie->len = priv->wpa_ie_len;
memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
} else {
nxpwifi_set_gen_ie_helper(priv, gen_ie->ie_data,
(u16)gen_ie->len);
}
break;
case NXPWIFI_IE_TYPE_ARP_FILTER:
memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
adapter->arp_filter_size = 0;
nxpwifi_dbg(adapter, ERROR,
"invalid ARP filter size\n");
return -EINVAL;
}
memcpy(adapter->arp_filter, gen_ie->ie_data, gen_ie->len);
adapter->arp_filter_size = gen_ie->len;
break;
default:
nxpwifi_dbg(adapter, ERROR, "invalid element type\n");
return -EINVAL;
}
return 0;
}
/* Sends IOCTL request to set a generic element */
int
nxpwifi_set_gen_ie(struct nxpwifi_private *priv, const u8 *ie, int ie_len)
{
struct nxpwifi_ds_misc_gen_ie gen_ie;
if (ie_len > IEEE_MAX_IE_SIZE)
return -EFAULT;
gen_ie.type = NXPWIFI_IE_TYPE_GEN_IE;
gen_ie.len = ie_len;
memcpy(gen_ie.ie_data, ie, ie_len);
return nxpwifi_misc_ioctl_gen_ie(priv, &gen_ie, HOST_ACT_GEN_SET);
}
/* Get Host Sleep wakeup reason */
int nxpwifi_get_wakeup_reason(struct nxpwifi_private *priv, u16 action,
int cmd_type,
struct nxpwifi_ds_wakeup_reason *wakeup_reason)
{
return nxpwifi_send_cmd(priv, HOST_CMD_HS_WAKEUP_REASON,
HOST_ACT_GEN_GET, 0, wakeup_reason,
cmd_type == NXPWIFI_SYNC_CMD);
}
int nxpwifi_get_chan_info(struct nxpwifi_private *priv,
struct nxpwifi_channel_band *channel_band)
{
return nxpwifi_send_cmd(priv, HOST_CMD_STA_CONFIGURE,
HOST_ACT_GEN_GET, 0, channel_band,
NXPWIFI_SYNC_CMD);
}
