// SPDX-License-Identifier: GPL-2.0-only
/*
* NXP Wireless LAN device driver : CFG80211
*
* Copyright 2011 - 2020 NXP
*/
#include "cfg80211.h"
#include "main.h"
#include "11n.h"
#include "wmm.h"
static char *reg_alpha2;
module_param(reg_alpha2, charp, 0 );
static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
{
.max = MWIFIEX_MAX_BSS_NUM,
.types = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_AP),
},
};
static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta = {
.limits = mwifiex_ap_sta_limits,
.num_different_channels = 1 ,
.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
.max_interfaces = MWIFIEX_MAX_BSS_NUM,
.beacon_int_infra_match = true ,
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40),
};
static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta_vht = {
.limits = mwifiex_ap_sta_limits,
.num_different_channels = 1 ,
.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
.max_interfaces = MWIFIEX_MAX_BSS_NUM,
.beacon_int_infra_match = true ,
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
BIT(NL80211_CHAN_WIDTH_80),
};
static const struct
ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
.limits = mwifiex_ap_sta_limits,
.num_different_channels = 2 ,
.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
.max_interfaces = MWIFIEX_MAX_BSS_NUM,
.beacon_int_infra_match = true ,
};
/*
* This function maps the nl802 . 11 channel type into driver channel type .
*
* The mapping is as follows -
* NL80211_CHAN_NO_HT - > IEEE80211_HT_PARAM_CHA_SEC_NONE
* NL80211_CHAN_HT20 - > IEEE80211_HT_PARAM_CHA_SEC_NONE
* NL80211_CHAN_HT40PLUS - > IEEE80211_HT_PARAM_CHA_SEC_ABOVE
* NL80211_CHAN_HT40MINUS - > IEEE80211_HT_PARAM_CHA_SEC_BELOW
* Others - > IEEE80211_HT_PARAM_CHA_SEC_NONE
*/
u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
{
switch (chan_type) {
case NL80211_CHAN_NO_HT:
case NL80211_CHAN_HT20:
return IEEE80211_HT_PARAM_CHA_SEC_NONE;
case NL80211_CHAN_HT40PLUS:
return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
case NL80211_CHAN_HT40MINUS:
return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
default :
return IEEE80211_HT_PARAM_CHA_SEC_NONE;
}
}
/* This function maps IEEE HT secondary channel type to NL80211 channel type
*/
u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
{
struct mwifiex_channel_band channel_band;
int ret;
ret = mwifiex_get_chan_info(priv, &channel_band);
if (!ret) {
switch (channel_band.band_config.chan_width) {
case CHAN_BW_20MHZ:
if (IS_11N_ENABLED(priv))
return NL80211_CHAN_HT20;
else
return NL80211_CHAN_NO_HT;
case CHAN_BW_40MHZ:
if (channel_band.band_config.chan2_offset ==
SEC_CHAN_ABOVE)
return NL80211_CHAN_HT40PLUS;
else
return NL80211_CHAN_HT40MINUS;
default :
return NL80211_CHAN_HT20;
}
}
return NL80211_CHAN_HT20;
}
/*
* This function checks whether WEP is set .
*/
static int
mwifiex_is_alg_wep(u32 cipher)
{
switch (cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
return 1 ;
default :
break ;
}
return 0 ;
}
/*
* This function retrieves the private structure from kernel wiphy structure .
*/
static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
{
return (void *) (*(unsigned long *) wiphy_priv(wiphy));
}
/*
* CFG802 . 11 operation handler to delete a network key .
*/
static int
mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
int link_id, u8 key_index, bool pairwise,
const u8 *mac_addr)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
static const u8 bc_mac[] = {0 xff, 0 xff, 0 xff, 0 xff, 0 xff, 0 xff};
const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
if (mwifiex_set_encode(priv, NULL, NULL, 0 , key_index, peer_mac, 1 )) {
mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n" );
return -EFAULT;
}
mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n" );
return 0 ;
}
/*
* This function forms an skb for management frame .
*/
static int
mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
{
u8 addr[ETH_ALEN] = {0 xFF, 0 xFF, 0 xFF, 0 xFF, 0 xFF, 0 xFF};
u16 pkt_len;
u32 tx_control = 0 , pkt_type = PKT_TYPE_MGMT;
pkt_len = len + ETH_ALEN;
skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof (pkt_len));
memcpy(skb_push(skb, sizeof (pkt_len)), &pkt_len, sizeof (pkt_len));
memcpy(skb_push(skb, sizeof (tx_control)),
&tx_control, sizeof (tx_control));
memcpy(skb_push(skb, sizeof (pkt_type)), &pkt_type, sizeof (pkt_type));
/* Add packet data and address4 */
skb_put_data(skb, buf, sizeof (struct ieee80211_hdr_3addr));
skb_put_data(skb, addr, ETH_ALEN);
skb_put_data(skb, buf + sizeof (struct ieee80211_hdr_3addr),
len - sizeof (struct ieee80211_hdr_3addr));
skb->priority = LOW_PRIO_TID;
__net_timestamp(skb);
return 0 ;
}
/*
* CFG802 . 11 operation handler to transmit a management frame .
*/
static int
mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct cfg80211_mgmt_tx_params *params, u64 *cookie)
{
const u8 *buf = params->buf;
size_t len = params->len;
struct sk_buff *skb;
u16 pkt_len;
const struct ieee80211_mgmt *mgmt;
struct mwifiex_txinfo *tx_info;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
if (!buf || !len) {
mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n" );
return -EFAULT;
}
mgmt = (const struct ieee80211_mgmt *)buf;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
ieee80211_is_probe_resp(mgmt->frame_control)) {
/* Since we support offload probe resp, we need to skip probe
* resp in AP or GO mode */
mwifiex_dbg(priv->adapter, INFO,
"info: skip to send probe resp in AP or GO mode\n" );
return 0 ;
}
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
if (ieee80211_is_auth(mgmt->frame_control))
mwifiex_dbg(priv->adapter, MSG,
"auth: send auth to %pM\n" , mgmt->da);
if (ieee80211_is_deauth(mgmt->frame_control))
mwifiex_dbg(priv->adapter, MSG,
"auth: send deauth to %pM\n" , mgmt->da);
if (ieee80211_is_disassoc(mgmt->frame_control))
mwifiex_dbg(priv->adapter, MSG,
"assoc: send disassoc to %pM\n" , mgmt->da);
if (ieee80211_is_assoc_resp(mgmt->frame_control))
mwifiex_dbg(priv->adapter, MSG,
"assoc: send assoc resp to %pM\n" ,
mgmt->da);
if (ieee80211_is_reassoc_resp(mgmt->frame_control))
mwifiex_dbg(priv->adapter, MSG,
"assoc: send reassoc resp to %pM\n" ,
mgmt->da);
}
pkt_len = len + ETH_ALEN;
skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
MWIFIEX_MGMT_FRAME_HEADER_SIZE +
pkt_len + sizeof (pkt_len));
if (!skb) {
mwifiex_dbg(priv->adapter, ERROR,
"allocate skb failed for management frame\n" );
return -ENOMEM;
}
tx_info = MWIFIEX_SKB_TXCB(skb);
memset(tx_info, 0 , sizeof (*tx_info));
tx_info->bss_num = priv->bss_num;
tx_info->bss_type = priv->bss_type;
tx_info->pkt_len = pkt_len;
mwifiex_form_mgmt_frame(skb, buf, len);
*cookie = get_random_u32() | 1 ;
if (ieee80211_is_action(mgmt->frame_control))
skb = mwifiex_clone_skb_for_tx_status(priv,
skb,
MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
else
cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true ,
GFP_ATOMIC);
mwifiex_queue_tx_pkt(priv, skb);
mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n" );
return 0 ;
}
/*
* CFG802 . 11 operation handler to register a mgmt frame .
*/
static void
mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
struct wireless_dev *wdev,
struct mgmt_frame_regs *upd)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
u32 mask = upd->interface_stypes;
if (mask != priv->mgmt_frame_mask) {
priv->mgmt_frame_mask = mask;
if (priv->host_mlme_reg)
priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK;
mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
HostCmd_ACT_GEN_SET, 0 ,
&priv->mgmt_frame_mask, false );
mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n" );
}
}
/*
* CFG802 . 11 operation handler to remain on channel .
*/
static int
mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
struct wireless_dev *wdev,
struct ieee80211_channel *chan,
unsigned int duration, u64 *cookie)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
int ret;
if (!chan || !cookie) {
mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n" );
return -EINVAL;
}
if (priv->roc_cfg.cookie) {
mwifiex_dbg(priv->adapter, INFO,
"info: ongoing ROC, cookie = 0x%llx\n" ,
priv->roc_cfg.cookie);
return -EBUSY;
}
ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
duration);
if (!ret) {
*cookie = get_random_u32() | 1 ;
priv->roc_cfg.cookie = *cookie;
priv->roc_cfg.chan = *chan;
cfg80211_ready_on_channel(wdev, *cookie, chan,
duration, GFP_ATOMIC);
mwifiex_dbg(priv->adapter, INFO,
"info: ROC, cookie = 0x%llx\n" , *cookie);
}
return ret;
}
/*
* CFG802 . 11 operation handler to cancel remain on channel .
*/
static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
struct wireless_dev *wdev, u64 cookie)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
int ret;
if (cookie != priv->roc_cfg.cookie)
return -ENOENT;
ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
&priv->roc_cfg.chan, 0 );
if (!ret) {
cfg80211_remain_on_channel_expired(wdev, cookie,
&priv->roc_cfg.chan,
GFP_ATOMIC);
memset(&priv->roc_cfg, 0 , sizeof (struct mwifiex_roc_cfg));
mwifiex_dbg(priv->adapter, INFO,
"info: cancel ROC, cookie = 0x%llx\n" , cookie);
}
return ret;
}
/*
* CFG802 . 11 operation handler to set Tx power .
*/
static int
mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
struct wireless_dev *wdev,
int radio_idx,
enum nl80211_tx_power_setting type,
int mbm)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
struct mwifiex_power_cfg power_cfg;
int dbm = MBM_TO_DBM(mbm);
switch (type) {
case NL80211_TX_POWER_FIXED:
power_cfg.is_power_auto = 0 ;
power_cfg.is_power_fixed = 1 ;
power_cfg.power_level = dbm;
break ;
case NL80211_TX_POWER_LIMITED:
power_cfg.is_power_auto = 0 ;
power_cfg.is_power_fixed = 0 ;
power_cfg.power_level = dbm;
break ;
case NL80211_TX_POWER_AUTOMATIC:
power_cfg.is_power_auto = 1 ;
break ;
}
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
return mwifiex_set_tx_power(priv, &power_cfg);
}
/*
* CFG802 . 11 operation handler to get Tx power .
*/
static int
mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
struct wireless_dev *wdev,
int radio_idx,
unsigned int link_id, int *dbm)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv = mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY);
int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
HostCmd_ACT_GEN_GET, 0 , NULL, true );
if (ret < 0 )
return ret;
/* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
*dbm = priv->tx_power_level;
return 0 ;
}
/*
* CFG802 . 11 operation handler to set Power Save option .
*
* The timeout value , if provided , is currently ignored .
*/
static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
struct net_device *dev,
bool enabled, int timeout)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
u32 ps_mode;
if (timeout)
mwifiex_dbg(priv->adapter, INFO,
"info: ignore timeout value for IEEE Power Save\n" );
ps_mode = enabled;
return mwifiex_drv_set_power(priv, &ps_mode);
}
/*
* CFG802 . 11 operation handler to set the default network key .
*/
static int
mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
int link_id, u8 key_index, bool unicast,
bool multicast)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
/* Return if WEP key not configured */
if (!priv->sec_info.wep_enabled)
return 0 ;
if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
priv->wep_key_curr_index = key_index;
} else if (mwifiex_set_encode(priv, NULL, NULL, 0 , key_index,
NULL, 0 )) {
mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n" );
return -EFAULT;
}
return 0 ;
}
/*
* CFG802 . 11 operation handler to add a network key .
*/
static int
mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
int link_id, u8 key_index, bool pairwise,
const u8 *mac_addr, struct key_params *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
struct mwifiex_wep_key *wep_key;
static const u8 bc_mac[] = {0 xff, 0 xff, 0 xff, 0 xff, 0 xff, 0 xff};
const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
(params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
if (params->key && params->key_len) {
wep_key = &priv->wep_key[key_index];
memset(wep_key, 0 , sizeof (struct mwifiex_wep_key));
memcpy(wep_key->key_material, params->key,
params->key_len);
wep_key->key_index = key_index;
wep_key->key_length = params->key_len;
priv->sec_info.wep_enabled = 1 ;
}
return 0 ;
}
if (mwifiex_set_encode(priv, params, params->key, params->key_len,
key_index, peer_mac, 0 )) {
mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n" );
return -EFAULT;
}
return 0 ;
}
/*
* CFG802 . 11 operation handler to set default mgmt key .
*/
static int
mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
struct net_device *netdev,
int link_id,
u8 key_index)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
struct mwifiex_ds_encrypt_key encrypt_key;
wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n" , key_index);
if (priv->adapter->host_mlme_enabled)
return 0 ;
memset(&encrypt_key, 0 , sizeof (struct mwifiex_ds_encrypt_key));
encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
encrypt_key.key_index = key_index;
encrypt_key.is_igtk_def_key = true ;
eth_broadcast_addr(encrypt_key.mac_addr);
if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET, true , &encrypt_key, true )) {
mwifiex_dbg(priv->adapter, ERROR,
"Sending KEY_MATERIAL command failed\n" );
return -1 ;
}
return 0 ;
}
/*
* This function sends domain information to the firmware .
*
* The following information are passed to the firmware -
* - Country codes
* - Sub bands ( first channel , number of channels , maximum Tx power )
*/
int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
{
u8 no_of_triplet = 0 ;
struct ieee80211_country_ie_triplet *t;
u8 no_of_parsed_chan = 0 ;
u8 first_chan = 0 , next_chan = 0 , max_pwr = 0 ;
u8 i, flag = 0 ;
enum nl80211_band band;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
/* Set country code */
domain_info->country_code[0 ] = adapter->country_code[0 ];
domain_info->country_code[1 ] = adapter->country_code[1 ];
domain_info->country_code[2 ] = ' ' ;
band = mwifiex_band_to_radio_type(adapter->config_bands);
if (!wiphy->bands[band]) {
mwifiex_dbg(adapter, ERROR,
"11D: setting domain info in FW\n" );
return -1 ;
}
sband = wiphy->bands[band];
for (i = 0 ; i < sband->n_channels ; i++) {
ch = &sband->channels[i];
if (ch->flags & IEEE80211_CHAN_DISABLED)
continue ;
if (!flag) {
flag = 1 ;
first_chan = (u32) ch->hw_value;
next_chan = first_chan;
max_pwr = ch->max_power;
no_of_parsed_chan = 1 ;
continue ;
}
if (ch->hw_value == next_chan + 1 &&
ch->max_power == max_pwr) {
next_chan++;
no_of_parsed_chan++;
} else {
t = &domain_info->triplet[no_of_triplet];
t->chans.first_channel = first_chan;
t->chans.num_channels = no_of_parsed_chan;
t->chans.max_power = max_pwr;
no_of_triplet++;
first_chan = (u32) ch->hw_value;
next_chan = first_chan;
max_pwr = ch->max_power;
no_of_parsed_chan = 1 ;
}
}
if (flag) {
t = &domain_info->triplet[no_of_triplet];
t->chans.first_channel = first_chan;
t->chans.num_channels = no_of_parsed_chan;
t->chans.max_power = max_pwr;
no_of_triplet++;
}
domain_info->no_of_triplet = no_of_triplet;
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
HostCmd_ACT_GEN_SET, 0 , NULL, false )) {
mwifiex_dbg(adapter, INFO,
"11D: setting domain info in FW\n" );
return -1 ;
}
return 0 ;
}
static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
{
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
unsigned int i;
if (!wiphy->bands[NL80211_BAND_5GHZ])
return ;
sband = wiphy->bands[NL80211_BAND_5GHZ];
for (i = 0 ; i < sband->n_channels; i++) {
chan = &sband->channels[i];
if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
(chan->flags & IEEE80211_CHAN_RADAR))
chan->flags |= IEEE80211_CHAN_NO_IR;
}
}
/*
* CFG802 . 11 regulatory domain callback function .
*
* This function is called when the regulatory domain is changed due to the
* following reasons -
* - Set by driver
* - Set by system core
* - Set by user
* - Set bt Country IE
*/
static void mwifiex_reg_notifier(struct wiphy *wiphy,
struct regulatory_request *request)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv = mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY);
mwifiex_dbg(adapter, INFO,
"info: cfg80211 regulatory domain callback for %c%c\n" ,
request->alpha2[0 ], request->alpha2[1 ]);
mwifiex_reg_apply_radar_flags(wiphy);
switch (request->initiator) {
case NL80211_REGDOM_SET_BY_DRIVER:
case NL80211_REGDOM_SET_BY_CORE:
case NL80211_REGDOM_SET_BY_USER:
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
break ;
default :
mwifiex_dbg(adapter, ERROR,
"unknown regdom initiator: %d\n" ,
request->initiator);
return ;
}
/* Don't send same regdom info to firmware */
if (strncmp(request->alpha2, adapter->country_code,
sizeof (request->alpha2)) != 0 ) {
memcpy(adapter->country_code, request->alpha2,
sizeof (request->alpha2));
mwifiex_send_domain_info_cmd_fw(wiphy);
mwifiex_dnld_txpwr_table(priv);
}
}
/*
* This function sets the fragmentation threshold .
*
* The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
* and MWIFIEX_FRAG_MAX_VALUE .
*/
static int
mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
{
if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
frag_thr > MWIFIEX_FRAG_MAX_VALUE)
frag_thr = MWIFIEX_FRAG_MAX_VALUE;
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
&frag_thr, true );
}
/*
* This function sets the RTS threshold .
* The rts value must lie between MWIFIEX_RTS_MIN_VALUE
* and MWIFIEX_RTS_MAX_VALUE .
*/
static int
mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
{
if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
rts_thr = MWIFIEX_RTS_MAX_VALUE;
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_SET, RTS_THRESH_I,
&rts_thr, true );
}
/*
* CFG802 . 11 operation handler to set wiphy parameters .
*
* This function can be used to set the RTS threshold and the
* Fragmentation threshold of the driver .
*/
static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
u32 changed)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
struct mwifiex_uap_bss_param *bss_cfg;
int ret;
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
switch (priv->bss_role) {
case MWIFIEX_BSS_ROLE_UAP:
if (priv->bss_started) {
mwifiex_dbg(adapter, ERROR,
"cannot change wiphy params when bss started" );
return -EINVAL;
}
bss_cfg = kzalloc(sizeof (*bss_cfg), GFP_KERNEL);
if (!bss_cfg)
return -ENOMEM;
mwifiex_set_sys_config_invalid_data(bss_cfg);
if (changed & WIPHY_PARAM_RTS_THRESHOLD)
bss_cfg->rts_threshold = wiphy->rts_threshold;
if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
bss_cfg->frag_threshold = wiphy->frag_threshold;
if (changed & WIPHY_PARAM_RETRY_LONG)
bss_cfg->retry_limit = wiphy->retry_long;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
HostCmd_ACT_GEN_SET,
UAP_BSS_PARAMS_I, bss_cfg,
false );
kfree(bss_cfg);
if (ret) {
mwifiex_dbg(adapter, ERROR,
"Failed to set wiphy phy params\n" );
return ret;
}
break ;
case MWIFIEX_BSS_ROLE_STA:
if (priv->media_connected) {
mwifiex_dbg(adapter, ERROR,
"cannot change wiphy params when connected" );
return -EINVAL;
}
if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
ret = mwifiex_set_rts(priv,
wiphy->rts_threshold);
if (ret)
return ret;
}
if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
ret = mwifiex_set_frag(priv,
wiphy->frag_threshold);
if (ret)
return ret;
}
break ;
}
return 0 ;
}
static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
u16 mode = P2P_MODE_DISABLE;
if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0 , &mode, true ))
return -1 ;
return 0 ;
}
/*
* This function initializes the functionalities for P2P client .
* The P2P client initialization sequence is :
* disable - > device - > client
*/
static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
{
u16 mode;
if (mwifiex_cfg80211_deinit_p2p(priv))
return -1 ;
mode = P2P_MODE_DEVICE;
if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0 , &mode, true ))
return -1 ;
mode = P2P_MODE_CLIENT;
if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0 , &mode, true ))
return -1 ;
return 0 ;
}
/*
* This function initializes the functionalities for P2P GO .
* The P2P GO initialization sequence is :
* disable - > device - > GO
*/
static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
{
u16 mode;
if (mwifiex_cfg80211_deinit_p2p(priv))
return -1 ;
mode = P2P_MODE_DEVICE;
if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0 , &mode, true ))
return -1 ;
mode = P2P_MODE_GO;
if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0 , &mode, true ))
return -1 ;
return 0 ;
}
static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
unsigned long flags;
priv->host_mlme_reg = false ;
priv->mgmt_frame_mask = 0 ;
if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
HostCmd_ACT_GEN_SET, 0 ,
&priv->mgmt_frame_mask, false )) {
mwifiex_dbg(adapter, ERROR,
"could not unregister mgmt frame rx\n" );
return -1 ;
}
mwifiex_deauthenticate(priv, NULL);
spin_lock_irqsave(&adapter->main_proc_lock, flags);
adapter->main_locked = true ;
if (adapter->mwifiex_processing) {
spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
flush_workqueue(adapter->workqueue);
} else {
spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
}
spin_lock_bh(&adapter->rx_proc_lock);
adapter->rx_locked = true ;
if (adapter->rx_processing) {
spin_unlock_bh(&adapter->rx_proc_lock);
flush_workqueue(adapter->rx_workqueue);
} else {
spin_unlock_bh(&adapter->rx_proc_lock);
}
mwifiex_free_priv(priv);
priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
return 0 ;
}
static int
mwifiex_init_new_priv_params(struct mwifiex_private *priv,
struct net_device *dev,
enum nl80211_iftype type)
{
struct mwifiex_adapter *adapter = priv->adapter;
unsigned long flags;
mwifiex_init_priv(priv);
priv->bss_mode = type;
priv->wdev.iftype = type;
mwifiex_init_priv_params(priv, priv->netdev);
priv->bss_started = 0 ;
switch (type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
priv->bss_type = MWIFIEX_BSS_TYPE_STA;
break ;
case NL80211_IFTYPE_P2P_CLIENT:
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
break ;
case NL80211_IFTYPE_P2P_GO:
priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
break ;
case NL80211_IFTYPE_AP:
priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
break ;
default :
mwifiex_dbg(adapter, ERROR,
"%s: changing to %d not supported\n" ,
dev->name, type);
return -EOPNOTSUPP;
}
priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type);
spin_lock_irqsave(&adapter->main_proc_lock, flags);
adapter->main_locked = false ;
spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
spin_lock_bh(&adapter->rx_proc_lock);
adapter->rx_locked = false ;
spin_unlock_bh(&adapter->rx_proc_lock);
mwifiex_set_mac_address(priv, dev, false , NULL);
return 0 ;
}
static bool
is_vif_type_change_allowed(struct mwifiex_adapter *adapter,
enum nl80211_iftype old_iftype,
enum nl80211_iftype new_iftype)
{
switch (old_iftype) {
case NL80211_IFTYPE_ADHOC:
switch (new_iftype) {
case NL80211_IFTYPE_STATION:
return true ;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return adapter->curr_iface_comb.p2p_intf !=
adapter->iface_limit.p2p_intf;
case NL80211_IFTYPE_AP:
return adapter->curr_iface_comb.uap_intf !=
adapter->iface_limit.uap_intf;
default :
return false ;
}
case NL80211_IFTYPE_STATION:
switch (new_iftype) {
case NL80211_IFTYPE_ADHOC:
return true ;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return adapter->curr_iface_comb.p2p_intf !=
adapter->iface_limit.p2p_intf;
case NL80211_IFTYPE_AP:
return adapter->curr_iface_comb.uap_intf !=
adapter->iface_limit.uap_intf;
default :
return false ;
}
case NL80211_IFTYPE_AP:
switch (new_iftype) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return adapter->curr_iface_comb.sta_intf !=
adapter->iface_limit.sta_intf;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return adapter->curr_iface_comb.p2p_intf !=
adapter->iface_limit.p2p_intf;
default :
return false ;
}
case NL80211_IFTYPE_P2P_CLIENT:
switch (new_iftype) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return true ;
case NL80211_IFTYPE_P2P_GO:
return true ;
case NL80211_IFTYPE_AP:
return adapter->curr_iface_comb.uap_intf !=
adapter->iface_limit.uap_intf;
default :
return false ;
}
case NL80211_IFTYPE_P2P_GO:
switch (new_iftype) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return true ;
case NL80211_IFTYPE_P2P_CLIENT:
return true ;
case NL80211_IFTYPE_AP:
return adapter->curr_iface_comb.uap_intf !=
adapter->iface_limit.uap_intf;
default :
return false ;
}
default :
break ;
}
return false ;
}
static void
update_vif_type_counter(struct mwifiex_adapter *adapter,
enum nl80211_iftype iftype,
int change)
{
switch (iftype) {
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
adapter->curr_iface_comb.sta_intf += change;
break ;
case NL80211_IFTYPE_AP:
adapter->curr_iface_comb.uap_intf += change;
break ;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
adapter->curr_iface_comb.p2p_intf += change;
break ;
default :
mwifiex_dbg(adapter, ERROR,
"%s: Unsupported iftype passed: %d\n" ,
__func__, iftype);
break ;
}
}
static int
mwifiex_change_vif_to_p2p(struct net_device *dev,
enum nl80211_iftype curr_iftype,
enum nl80211_iftype type,
struct vif_params *params)
{
struct mwifiex_private *priv;
struct mwifiex_adapter *adapter;
priv = mwifiex_netdev_get_priv(dev);
if (!priv)
return -1 ;
adapter = priv->adapter;
mwifiex_dbg(adapter, INFO,
"%s: changing role to p2p\n" , dev->name);
if (mwifiex_deinit_priv_params(priv))
return -1 ;
if (mwifiex_init_new_priv_params(priv, dev, type))
return -1 ;
update_vif_type_counter(adapter, curr_iftype, -1 );
update_vif_type_counter(adapter, type, +1 );
dev->ieee80211_ptr->iftype = type;
switch (type) {
case NL80211_IFTYPE_P2P_CLIENT:
if (mwifiex_cfg80211_init_p2p_client(priv))
return -EFAULT;
break ;
case NL80211_IFTYPE_P2P_GO:
if (mwifiex_cfg80211_init_p2p_go(priv))
return -EFAULT;
break ;
default :
mwifiex_dbg(adapter, ERROR,
"%s: changing to %d not supported\n" ,
dev->name, type);
return -EOPNOTSUPP;
}
if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0 , NULL, true ))
return -1 ;
if (mwifiex_sta_init_cmd(priv, false ))
return -1 ;
return 0 ;
}
static int
mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
enum nl80211_iftype curr_iftype,
enum nl80211_iftype type,
struct vif_params *params)
{
struct mwifiex_private *priv;
struct mwifiex_adapter *adapter;
priv = mwifiex_netdev_get_priv(dev);
if (!priv)
return -1 ;
adapter = priv->adapter;
if (type == NL80211_IFTYPE_STATION)
mwifiex_dbg(adapter, INFO,
"%s: changing role to station\n" , dev->name);
else
mwifiex_dbg(adapter, INFO,
"%s: changing role to adhoc\n" , dev->name);
if (mwifiex_deinit_priv_params(priv))
return -1 ;
if (mwifiex_init_new_priv_params(priv, dev, type))
return -1 ;
update_vif_type_counter(adapter, curr_iftype, -1 );
update_vif_type_counter(adapter, type, +1 );
dev->ieee80211_ptr->iftype = type;
if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0 , NULL, true ))
return -1 ;
if (mwifiex_sta_init_cmd(priv, false ))
return -1 ;
return 0 ;
}
static int
mwifiex_change_vif_to_ap(struct net_device *dev,
enum nl80211_iftype curr_iftype,
enum nl80211_iftype type,
struct vif_params *params)
{
struct mwifiex_private *priv;
struct mwifiex_adapter *adapter;
priv = mwifiex_netdev_get_priv(dev);
if (!priv)
return -1 ;
adapter = priv->adapter;
mwifiex_dbg(adapter, INFO,
"%s: changing role to AP\n" , dev->name);
if (mwifiex_deinit_priv_params(priv))
return -1 ;
if (mwifiex_init_new_priv_params(priv, dev, type))
return -1 ;
update_vif_type_counter(adapter, curr_iftype, -1 );
update_vif_type_counter(adapter, type, +1 );
dev->ieee80211_ptr->iftype = type;
if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0 , NULL, true ))
return -1 ;
if (mwifiex_sta_init_cmd(priv, false ))
return -1 ;
return 0 ;
}
/*
* CFG802 . 11 operation handler to change interface type .
*/
static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
struct net_device *dev,
enum nl80211_iftype type,
struct vif_params *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
if (priv->scan_request) {
mwifiex_dbg(priv->adapter, ERROR,
"change virtual interface: scan in process\n" );
return -EBUSY;
}
if (type == NL80211_IFTYPE_UNSPECIFIED) {
mwifiex_dbg(priv->adapter, INFO,
"%s: no new type specified, keeping old type %d\n" ,
dev->name, curr_iftype);
return 0 ;
}
if (curr_iftype == type) {
mwifiex_dbg(priv->adapter, INFO,
"%s: interface already is of type %d\n" ,
dev->name, curr_iftype);
return 0 ;
}
if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) {
mwifiex_dbg(priv->adapter, ERROR,
"%s: change from type %d to %d is not allowed\n" ,
dev->name, curr_iftype, type);
return -EOPNOTSUPP;
}
switch (curr_iftype) {
case NL80211_IFTYPE_ADHOC:
switch (type) {
case NL80211_IFTYPE_STATION:
priv->bss_mode = type;
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_OPEN_SYSTEM;
dev->ieee80211_ptr->iftype = type;
mwifiex_deauthenticate(priv, NULL);
return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0 , NULL,
true );
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, params);
case NL80211_IFTYPE_AP:
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
params);
default :
goto errnotsupp;
}
case NL80211_IFTYPE_STATION:
switch (type) {
case NL80211_IFTYPE_ADHOC:
priv->bss_mode = type;
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_OPEN_SYSTEM;
dev->ieee80211_ptr->iftype = type;
mwifiex_deauthenticate(priv, NULL);
return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0 , NULL,
true );
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, params);
case NL80211_IFTYPE_AP:
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
params);
default :
goto errnotsupp;
}
case NL80211_IFTYPE_AP:
switch (type) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
type, params);
break ;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, params);
default :
goto errnotsupp;
}
case NL80211_IFTYPE_P2P_CLIENT:
if (mwifiex_cfg80211_deinit_p2p(priv))
return -EFAULT;
switch (type) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
type, params);
case NL80211_IFTYPE_P2P_GO:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, params);
case NL80211_IFTYPE_AP:
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
params);
default :
goto errnotsupp;
}
case NL80211_IFTYPE_P2P_GO:
if (mwifiex_cfg80211_deinit_p2p(priv))
return -EFAULT;
switch (type) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
type, params);
case NL80211_IFTYPE_P2P_CLIENT:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, params);
case NL80211_IFTYPE_AP:
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
params);
default :
goto errnotsupp;
}
default :
goto errnotsupp;
}
return 0 ;
errnotsupp:
mwifiex_dbg(priv->adapter, ERROR,
"unsupported interface type transition: %d to %d\n" ,
curr_iftype, type);
return -EOPNOTSUPP;
}
static void
mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
struct rate_info *rate)
{
struct mwifiex_adapter *adapter = priv->adapter;
if (adapter->is_hw_11ac_capable) {
/* bit[1-0]: 00=LG 01=HT 10=VHT */
if (htinfo & BIT(0 )) {
/* HT */
rate->mcs = rateinfo;
rate->flags |= RATE_INFO_FLAGS_MCS;
}
if (htinfo & BIT(1 )) {
/* VHT */
rate->mcs = rateinfo & 0 x0F;
rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
}
if (htinfo & (BIT(1 ) | BIT(0 ))) {
/* HT or VHT */
switch (htinfo & (BIT(3 ) | BIT(2 ))) {
case 0 :
rate->bw = RATE_INFO_BW_20;
break ;
case (BIT(2 )):
rate->bw = RATE_INFO_BW_40;
break ;
case (BIT(3 )):
rate->bw = RATE_INFO_BW_80;
break ;
case (BIT(3 ) | BIT(2 )):
rate->bw = RATE_INFO_BW_160;
break ;
}
if (htinfo & BIT(4 ))
rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
if ((rateinfo >> 4 ) == 1 )
rate->nss = 2 ;
else
rate->nss = 1 ;
}
} else {
/*
* Bit 0 in htinfo indicates that current rate is 11 n . Valid
* MCS index values for us are 0 to 15 .
*/
if ((htinfo & BIT(0 )) && (rateinfo < 16 )) {
rate->mcs = rateinfo;
rate->flags |= RATE_INFO_FLAGS_MCS;
rate->bw = RATE_INFO_BW_20;
if (htinfo & BIT(1 ))
rate->bw = RATE_INFO_BW_40;
if (htinfo & BIT(2 ))
rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
}
}
/* Decode legacy rates for non-HT. */
if (!(htinfo & (BIT(0 ) | BIT(1 )))) {
/* Bitrates in multiples of 100kb/s. */
static const int legacy_rates[] = {
[0 ] = 10 ,
[1 ] = 20 ,
[2 ] = 55 ,
[3 ] = 110 ,
[4 ] = 60 , /* MWIFIEX_RATE_INDEX_OFDM0 */
[5 ] = 60 ,
[6 ] = 90 ,
[7 ] = 120 ,
[8 ] = 180 ,
[9 ] = 240 ,
[10 ] = 360 ,
[11 ] = 480 ,
[12 ] = 540 ,
};
if (rateinfo < ARRAY_SIZE(legacy_rates))
rate->legacy = legacy_rates[rateinfo];
}
}
/*
* This function dumps the station information on a buffer .
*
* The following information are shown -
* - Total bytes transmitted
* - Total bytes received
* - Total packets transmitted
* - Total packets received
* - Signal quality level
* - Transmission rate
*/
static int
mwifiex_dump_station_info(struct mwifiex_private *priv,
struct mwifiex_sta_node *node,
struct station_info *sinfo)
{
u32 rate;
sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
if (!node)
return -ENOENT;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
BIT_ULL(NL80211_STA_INFO_TX_FAILED);
sinfo->inactive_time =
jiffies_to_msecs(jiffies - node->stats.last_rx);
sinfo->signal = node->stats.rssi;
sinfo->signal_avg = node->stats.rssi;
sinfo->rx_bytes = node->stats.rx_bytes;
sinfo->tx_bytes = node->stats.tx_bytes;
sinfo->rx_packets = node->stats.rx_packets;
sinfo->tx_packets = node->stats.tx_packets;
sinfo->tx_failed = node->stats.tx_failed;
mwifiex_parse_htinfo(priv, priv->tx_rate,
node->stats.last_tx_htinfo,
&sinfo->txrate);
sinfo->txrate.legacy = node->stats.last_tx_rate * 5 ;
return 0 ;
}
/* Get signal information from the firmware */
if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
HostCmd_ACT_GEN_GET, 0 , NULL, true )) {
mwifiex_dbg(priv->adapter, ERROR,
"failed to get signal information\n" );
return -EFAULT;
}
if (mwifiex_drv_get_data_rate(priv, &rate)) {
mwifiex_dbg(priv->adapter, ERROR,
"getting data rate error\n" );
return -EFAULT;
}
/* Get DTIM period information from firmware */
mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
&priv->dtim_period, true );
mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
&sinfo->txrate);
sinfo->signal_avg = priv->bcn_rssi_avg;
sinfo->rx_bytes = priv->stats.rx_bytes;
sinfo->tx_bytes = priv->stats.tx_bytes;
sinfo->rx_packets = priv->stats.rx_packets;
sinfo->tx_packets = priv->stats.tx_packets;
sinfo->signal = priv->bcn_rssi_avg;
/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
sinfo->txrate.legacy = rate * 5 ;
sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo,
&sinfo->rxrate);
if (priv->bss_mode == NL80211_IFTYPE_STATION) {
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
sinfo->bss_param.flags = 0 ;
if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
WLAN_CAPABILITY_SHORT_PREAMBLE)
sinfo->bss_param.flags |=
BSS_PARAM_FLAGS_SHORT_PREAMBLE;
if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
WLAN_CAPABILITY_SHORT_SLOT_TIME)
sinfo->bss_param.flags |=
BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
sinfo->bss_param.dtim_period = priv->dtim_period;
sinfo->bss_param.beacon_interval =
priv->curr_bss_params.bss_descriptor.beacon_period;
}
return 0 ;
}
/*
* CFG802 . 11 operation handler to get station information .
*
* This function only works in connected mode , and dumps the
* requested station information , if available .
*/
static int
mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac, struct station_info *sinfo)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (!priv->media_connected)
return -ENOENT;
if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
return -ENOENT;
return mwifiex_dump_station_info(priv, NULL, sinfo);
}
/*
* CFG802 . 11 operation handler to dump station information .
*/
static int
mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_sta_node *node;
int i;
if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
priv->media_connected && idx == 0 ) {
ether_addr_copy(mac, priv->cfg_bssid);
return mwifiex_dump_station_info(priv, NULL, sinfo);
} else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
HostCmd_ACT_GEN_GET, 0 , NULL, true );
i = 0 ;
list_for_each_entry(node, &priv->sta_list, list) {
if (i++ != idx)
continue ;
ether_addr_copy(mac, node->mac_addr);
return mwifiex_dump_station_info(priv, node, sinfo);
}
}
return -ENOENT;
}
static int
mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
int idx, struct survey_info *survey)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
enum nl80211_band band;
mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n" , idx);
memset(survey, 0 , sizeof (struct survey_info));
if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
priv->media_connected && idx == 0 ) {
u8 curr_bss_band = priv->curr_bss_params.band;
u32 chan = priv->curr_bss_params.bss_descriptor.channel;
band = mwifiex_band_to_radio_type(curr_bss_band);
survey->channel = ieee80211_get_channel(wiphy,
ieee80211_channel_to_frequency(chan, band));
if (priv->bcn_nf_last) {
survey->filled = SURVEY_INFO_NOISE_DBM;
survey->noise = priv->bcn_nf_last;
}
return 0 ;
}
if (idx >= priv->adapter->num_in_chan_stats)
return -ENOENT;
if (!pchan_stats[idx].cca_scan_dur)
return 0 ;
band = pchan_stats[idx].bandcfg;
survey->channel = ieee80211_get_channel(wiphy,
ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
survey->filled = SURVEY_INFO_NOISE_DBM |
SURVEY_INFO_TIME |
SURVEY_INFO_TIME_BUSY;
survey->noise = pchan_stats[idx].noise;
survey->time = pchan_stats[idx].cca_scan_dur;
survey->time_busy = pchan_stats[idx].cca_busy_dur;
return 0 ;
}
/* Supported rates to be advertised to the cfg80211 */
static struct ieee80211_rate mwifiex_rates[] = {
{.bitrate = 10 , .hw_value = 2 , },
{.bitrate = 20 , .hw_value = 4 , },
{.bitrate = 55 , .hw_value = 11 , },
{.bitrate = 110 , .hw_value = 22 , },
{.bitrate = 60 , .hw_value = 12 , },
{.bitrate = 90 , .hw_value = 18 , },
{.bitrate = 120 , .hw_value = 24 , },
{.bitrate = 180 , .hw_value = 36 , },
{.bitrate = 240 , .hw_value = 48 , },
{.bitrate = 360 , .hw_value = 72 , },
{.bitrate = 480 , .hw_value = 96 , },
{.bitrate = 540 , .hw_value = 108 , },
};
/* Channel definitions to be advertised to cfg80211 */
static struct ieee80211_channel mwifiex_channels_2ghz[] = {
{.center_freq = 2412 , .hw_value = 1 , },
{.center_freq = 2417 , .hw_value = 2 , },
{.center_freq = 2422 , .hw_value = 3 , },
{.center_freq = 2427 , .hw_value = 4 , },
{.center_freq = 2432 , .hw_value = 5 , },
{.center_freq = 2437 , .hw_value = 6 , },
{.center_freq = 2442 , .hw_value = 7 , },
{.center_freq = 2447 , .hw_value = 8 , },
{.center_freq = 2452 , .hw_value = 9 , },
{.center_freq = 2457 , .hw_value = 10 , },
{.center_freq = 2462 , .hw_value = 11 , },
{.center_freq = 2467 , .hw_value = 12 , },
{.center_freq = 2472 , .hw_value = 13 , },
{.center_freq = 2484 , .hw_value = 14 , },
};
static struct ieee80211_supported_band mwifiex_band_2ghz = {
.channels = mwifiex_channels_2ghz,
.n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
.bitrates = mwifiex_rates,
.n_bitrates = ARRAY_SIZE(mwifiex_rates),
};
static struct ieee80211_channel mwifiex_channels_5ghz[] = {
{.center_freq = 5040 , .hw_value = 8 , },
{.center_freq = 5060 , .hw_value = 12 , },
{.center_freq = 5080 , .hw_value = 16 , },
{.center_freq = 5170 , .hw_value = 34 , },
{.center_freq = 5190 , .hw_value = 38 , },
{.center_freq = 5210 , .hw_value = 42 , },
{.center_freq = 5230 , .hw_value = 46 , },
{.center_freq = 5180 , .hw_value = 36 , },
{.center_freq = 5200 , .hw_value = 40 , },
{.center_freq = 5220 , .hw_value = 44 , },
{.center_freq = 5240 , .hw_value = 48 , },
{.center_freq = 5260 , .hw_value = 52 , },
{.center_freq = 5280 , .hw_value = 56 , },
{.center_freq = 5300 , .hw_value = 60 , },
{.center_freq = 5320 , .hw_value = 64 , },
{.center_freq = 5500 , .hw_value = 100 , },
{.center_freq = 5520 , .hw_value = 104 , },
{.center_freq = 5540 , .hw_value = 108 , },
{.center_freq = 5560 , .hw_value = 112 , },
{.center_freq = 5580 , .hw_value = 116 , },
{.center_freq = 5600 , .hw_value = 120 , },
{.center_freq = 5620 , .hw_value = 124 , },
{.center_freq = 5640 , .hw_value = 128 , },
{.center_freq = 5660 , .hw_value = 132 , },
{.center_freq = 5680 , .hw_value = 136 , },
{.center_freq = 5700 , .hw_value = 140 , },
{.center_freq = 5745 , .hw_value = 149 , },
{.center_freq = 5765 , .hw_value = 153 , },
{.center_freq = 5785 , .hw_value = 157 , },
{.center_freq = 5805 , .hw_value = 161 , },
{.center_freq = 5825 , .hw_value = 165 , },
};
static struct ieee80211_supported_band mwifiex_band_5ghz = {
.channels = mwifiex_channels_5ghz,
.n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
.bitrates = mwifiex_rates + 4 ,
.n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4 ,
};
/* Supported crypto cipher suits to be advertised to cfg80211 */
static const u32 mwifiex_cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
WLAN_CIPHER_SUITE_SMS4,
WLAN_CIPHER_SUITE_AES_CMAC,
};
/* Supported mgmt frame types to be advertised to cfg80211 */
static const struct ieee80211_txrx_stypes
mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
[NL80211_IFTYPE_STATION] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4 ),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4 ),
},
[NL80211_IFTYPE_AP] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4 ),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4 ),
},
[NL80211_IFTYPE_P2P_CLIENT] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4 ),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4 ),
},
[NL80211_IFTYPE_P2P_GO] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4 ),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4 ),
},
};
/*
* CFG802 . 11 operation handler for setting bit rates .
*
* Function configures data rates to firmware using bitrate mask
* provided by cfg80211 .
*/
static int
mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
struct net_device *dev,
unsigned int link_id,
const u8 *peer,
const struct cfg80211_bitrate_mask *mask)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
enum nl80211_band band;
struct mwifiex_adapter *adapter = priv->adapter;
if (!priv->media_connected) {
mwifiex_dbg(adapter, ERROR,
"Can not set Tx data rate in disconnected state\n" );
return -EINVAL;
}
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
memset(bitmap_rates, 0 , sizeof (bitmap_rates));
/* Fill HR/DSSS rates. */
if (band == NL80211_BAND_2GHZ)
bitmap_rates[0 ] = mask->control[band].legacy & 0 x000f;
/* Fill OFDM rates */
if (band == NL80211_BAND_2GHZ)
bitmap_rates[1 ] = (mask->control[band].legacy & 0 x0ff0) >> 4 ;
else
bitmap_rates[1 ] = mask->control[band].legacy;
/* Fill HT MCS rates */
bitmap_rates[2 ] = mask->control[band].ht_mcs[0 ];
if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
bitmap_rates[2 ] |= mask->control[band].ht_mcs[1 ] << 8 ;
/* Fill VHT MCS rates */
if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
bitmap_rates[10 ] = mask->control[band].vht_mcs[0 ];
if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
bitmap_rates[11 ] = mask->control[band].vht_mcs[1 ];
}
return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
HostCmd_ACT_GEN_SET, 0 , bitmap_rates, true );
}
/*
* CFG802 . 11 operation handler for connection quality monitoring .
*
* This function subscribes / unsubscribes HIGH_RSSI and LOW_RSSI
* events to FW .
*/
static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
struct net_device *dev,
s32 rssi_thold, u32 rssi_hyst)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_ds_misc_subsc_evt subsc_evt;
priv->cqm_rssi_thold = rssi_thold;
priv->cqm_rssi_hyst = rssi_hyst;
memset(&subsc_evt, 0 x00, sizeof (struct mwifiex_ds_misc_subsc_evt));
subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
/* Subscribe/unsubscribe low and high rssi events */
if (rssi_thold && rssi_hyst) {
subsc_evt.action = HostCmd_ACT_BITWISE_SET;
subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
subsc_evt.bcn_l_rssi_cfg.evt_freq = 1 ;
subsc_evt.bcn_h_rssi_cfg.evt_freq = 1 ;
return mwifiex_send_cmd(priv,
HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
0 , 0 , &subsc_evt, true );
} else {
subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
return mwifiex_send_cmd(priv,
HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
0 , 0 , &subsc_evt, true );
}
return 0 ;
}
/* cfg80211 operation handler for change_beacon.
* Function retrieves and sets modified management IEs to FW .
*/
static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_ap_update *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_adapter *adapter = priv->adapter;
struct cfg80211_beacon_data *data = ¶ms->beacon;
mwifiex_cancel_scan(adapter);
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
mwifiex_dbg(priv->adapter, ERROR,
"%s: bss_type mismatched\n" , __func__);
return -EINVAL;
}
if (!priv->bss_started) {
mwifiex_dbg(priv->adapter, ERROR,
"%s: bss not started\n" , __func__);
return -EINVAL;
}
if (mwifiex_set_mgmt_ies(priv, data)) {
mwifiex_dbg(priv->adapter, ERROR,
"%s: setting mgmt ies failed\n" , __func__);
return -EFAULT;
}
return 0 ;
}
/* cfg80211 operation handler for del_station.
* Function deauthenticates station which value is provided in mac parameter .
* If mac is NULL / broadcast , all stations in associated station list are
* deauthenticated . If bss is not started or there are no stations in
* associated stations list , no action is taken .
*/
static int
mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
struct station_del_parameters *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_sta_node *sta_node;
u8 deauth_mac[ETH_ALEN];
if (!priv->bss_started && priv->wdev.links[0 ].cac_started) {
mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n" , __func__);
mwifiex_abort_cac(priv);
}
if (list_empty(&priv->sta_list) || !priv->bss_started)
return 0 ;
if (!params->mac || is_broadcast_ether_addr(params->mac))
return 0 ;
mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n" ,
__func__, params->mac);
eth_zero_addr(deauth_mac);
spin_lock_bh(&priv->sta_list_spinlock);
sta_node = mwifiex_get_sta_entry(priv, params->mac);
if (sta_node)
ether_addr_copy(deauth_mac, params->mac);
spin_unlock_bh(&priv->sta_list_spinlock);
if (is_valid_ether_addr(deauth_mac)) {
if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
HostCmd_ACT_GEN_SET, 0 ,
deauth_mac, true ))
return -1 ;
}
return 0 ;
}
static int
mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, int radio_idx, u32 tx_ant,
u32 rx_ant)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv = mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY);
struct mwifiex_ds_ant_cfg ant_cfg;
if (!tx_ant || !rx_ant)
return -EOPNOTSUPP;
if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
/* Not a MIMO chip. User should provide specific antenna number
* for Tx / Rx path or enable all antennas for diversity
*/
if (tx_ant != rx_ant)
return -EOPNOTSUPP;
if ((tx_ant & (tx_ant - 1 )) &&
(tx_ant != BIT(adapter->number_of_antenna) - 1 ))
return -EOPNOTSUPP;
if ((tx_ant == BIT(adapter->number_of_antenna) - 1 ) &&
(priv->adapter->number_of_antenna > 1 )) {
tx_ant = RF_ANTENNA_AUTO;
rx_ant = RF_ANTENNA_AUTO;
}
} else {
struct ieee80211_sta_ht_cap *ht_info;
int rx_mcs_supp;
enum nl80211_band band;
if ((tx_ant == 0 x1 && rx_ant == 0 x1)) {
adapter->user_dev_mcs_support = HT_STREAM_1X1;
if (adapter->is_hw_11ac_capable)
adapter->usr_dot_11ac_mcs_support =
MWIFIEX_11AC_MCS_MAP_1X1;
} else {
adapter->user_dev_mcs_support = HT_STREAM_2X2;
if (adapter->is_hw_11ac_capable)
adapter->usr_dot_11ac_mcs_support =
MWIFIEX_11AC_MCS_MAP_2X2;
}
for (band = 0 ; band < NUM_NL80211_BANDS; band++) {
if (!adapter->wiphy->bands[band])
continue ;
ht_info = &adapter->wiphy->bands[band]->ht_cap;
rx_mcs_supp =
GET_RXMCSSUPP(adapter->user_dev_mcs_support);
memset(&ht_info->mcs, 0 , adapter->number_of_antenna);
memset(&ht_info->mcs, 0 xff, rx_mcs_supp);
}
}
ant_cfg.tx_ant = tx_ant;
ant_cfg.rx_ant = rx_ant;
return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
HostCmd_ACT_GEN_SET, 0 , &ant_cfg, true );
}
static int
mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, int radio_idx, u32 *tx_ant,
u32 *rx_ant)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv = mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY);
mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
HostCmd_ACT_GEN_GET, 0 , NULL, true );
*tx_ant = priv->tx_ant;
*rx_ant = priv->rx_ant;
return 0 ;
}
/* cfg80211 operation handler for stop ap.
* Function stops BSS running at uAP interface .
*/
static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
unsigned int link_id)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
mwifiex_abort_cac(priv);
if (mwifiex_del_mgmt_ies(priv))
mwifiex_dbg(priv->adapter, ERROR,
"Failed to delete mgmt IEs!\n" );
priv->ap_11n_enabled = 0 ;
memset(&priv->bss_cfg, 0 , sizeof (priv->bss_cfg));
if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
HostCmd_ACT_GEN_SET, 0 , NULL, true )) {
mwifiex_dbg(priv->adapter, ERROR,
"Failed to stop the BSS\n" );
return -1 ;
}
if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
HostCmd_ACT_GEN_SET, 0 , NULL, true )) {
mwifiex_dbg(priv->adapter, ERROR,
"Failed to reset BSS\n" );
return -1 ;
}
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
return 0 ;
}
/* cfg80211 operation handler for start_ap.
* Function sets beacon period , DTIM period , SSID and security into
* AP config structure .
* AP is configured with these settings and BSS is started .
*/
static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_ap_settings *params)
{
struct mwifiex_uap_bss_param *bss_cfg;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
return -1 ;
bss_cfg = kzalloc(sizeof (struct mwifiex_uap_bss_param), GFP_KERNEL);
if (!bss_cfg)
return -ENOMEM;
mwifiex_set_sys_config_invalid_data(bss_cfg);
memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN);
if (params->beacon_interval)
bss_cfg->beacon_period = params->beacon_interval;
if (params->dtim_period)
bss_cfg->dtim_period = params->dtim_period;
if (params->ssid && params->ssid_len) {
memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
bss_cfg->ssid.ssid_len = params->ssid_len;
}
if (params->inactivity_timeout > 0 ) {
/* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
}
switch (params->hidden_ssid) {
case NL80211_HIDDEN_SSID_NOT_IN_USE:
bss_cfg->bcast_ssid_ctl = 1 ;
break ;
case NL80211_HIDDEN_SSID_ZERO_LEN:
bss_cfg->bcast_ssid_ctl = 0 ;
break ;
case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
bss_cfg->bcast_ssid_ctl = 2 ;
break ;
default :
kfree(bss_cfg);
return -EINVAL;
}
mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
mwifiex_set_uap_rates(bss_cfg, params);
if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
mwifiex_dbg(priv->adapter, ERROR,
"Failed to parse security parameters!\n" );
goto out;
}
mwifiex_set_ht_params(priv, bss_cfg, params);
if (priv->adapter->is_hw_11ac_capable) {
mwifiex_set_vht_params(priv, bss_cfg, params);
mwifiex_set_vht_width(priv, params->chandef.width,
priv->ap_11ac_enabled);
}
if (priv->ap_11ac_enabled)
mwifiex_set_11ac_ba_params(priv);
else
mwifiex_set_ba_params(priv);
mwifiex_set_wmm_params(priv, bss_cfg, params);
if (mwifiex_is_11h_active(priv))
mwifiex_set_tpc_params(priv, bss_cfg, params);
if (mwifiex_is_11h_active(priv) &&
!cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef,
priv->bss_mode)) {
mwifiex_dbg(priv->adapter, INFO,
"Disable 11h extensions in FW\n" );
if (mwifiex_11h_activate(priv, false )) {
mwifiex_dbg(priv->adapter, ERROR,
"Failed to disable 11h extensions!!" );
goto out;
}
priv->state_11h.is_11h_active = false ;
}
mwifiex_config_uap_11d(priv, ¶ms->beacon);
if (mwifiex_config_start_uap(priv, bss_cfg)) {
mwifiex_dbg(priv->adapter, ERROR,
"Failed to start AP\n" );
goto out;
}
if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
goto out;
if (!netif_carrier_ok(priv->netdev))
netif_carrier_on(priv->netdev);
mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
memcpy(&priv->bss_cfg, bss_cfg, sizeof (priv->bss_cfg));
kfree(bss_cfg);
return 0 ;
out:
kfree(bss_cfg);
return -1 ;
}
/*
* CFG802 . 11 operation handler for disconnection request .
*
* This function does not work when there is already a disconnection
* procedure going on .
*/
static int
mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
u16 reason_code)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (!mwifiex_stop_bg_scan(priv))
cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0 );
if (mwifiex_deauthenticate(priv, NULL))
return -EFAULT;
eth_zero_addr(priv->cfg_bssid);
priv->hs2_enabled = false ;
return 0 ;
}
/*
* This function informs the CFG802 . 11 subsystem of a new IBSS .
*
* The following information are sent to the CFG802 . 11 subsystem
* to register the new IBSS . If we do not register the new IBSS ,
* a kernel panic will result .
* - SSID
* - SSID length
* - BSSID
* - Channel
*/
static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
{
struct ieee80211_channel *chan;
struct mwifiex_bss_info bss_info;
struct cfg80211_bss *bss;
int ie_len;
u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof (struct ieee_types_header)];
enum nl80211_band band;
if (mwifiex_get_bss_info(priv, &bss_info))
return -1 ;
ie_buf[0 ] = WLAN_EID_SSID;
ie_buf[1 ] = bss_info.ssid.ssid_len;
memcpy(&ie_buf[sizeof (struct ieee_types_header)],
&bss_info.ssid.ssid, bss_info.ssid.ssid_len);
ie_len = ie_buf[1 ] + sizeof (struct ieee_types_header);
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
chan = ieee80211_get_channel(priv->wdev.wiphy,
ieee80211_channel_to_frequency(bss_info.bss_chan,
band));
bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
CFG80211_BSS_FTYPE_UNKNOWN,
bss_info.bssid, 0 , WLAN_CAPABILITY_IBSS,
0 , ie_buf, ie_len, 0 , GFP_KERNEL);
if (bss) {
cfg80211_put_bss(priv->wdev.wiphy, bss);
ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
}
return 0 ;
}
/*
* This function connects with a BSS .
*
* This function handles both Infra and Ad - Hoc modes . It also performs
* validity checking on the provided parameters , disconnects from the
* current BSS ( if any ) , sets up the association / scan parameters ,
* including security settings , and performs specific SSID scan before
* trying to connect .
*
* For Infra mode , the function returns failure if the specified SSID
* is not found in scan table . However , for Ad - Hoc mode , it can create
* the IBSS if it does not exist . On successful completion in either case ,
* the function notifies the CFG802 . 11 subsystem of the new BSS connection .
*/
static int
mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
const u8 *ssid, const u8 *bssid, int mode,
struct ieee80211_channel *channel,
struct cfg80211_connect_params *sme, bool privacy,
struct cfg80211_bss **sel_bss)
{
struct cfg80211_ssid req_ssid;
int ret, auth_type = 0 ;
struct cfg80211_bss *bss = NULL;
u8 is_scanning_required = 0 ;
memset(&req_ssid, 0 , sizeof (struct cfg80211_ssid));
req_ssid.ssid_len = ssid_len;
if (ssid_len > IEEE80211_MAX_SSID_LEN) {
mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n" );
return -EINVAL;
}
memcpy(req_ssid.ssid, ssid, ssid_len);
if (!req_ssid.ssid_len || req_ssid.ssid[0 ] < 0 x20) {
mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n" );
return -EINVAL;
}
/* As this is new association, clear locally stored
* keys and security related flags */
priv->sec_info.wpa_enabled = false ;
priv->sec_info.wpa2_enabled = false ;
priv->wep_key_curr_index = 0 ;
priv->sec_info.encryption_mode = 0 ;
priv->sec_info.is_authtype_auto = 0 ;
ret = mwifiex_set_encode(priv, NULL, NULL, 0 , 0 , NULL, 1 );
if (mode == NL80211_IFTYPE_ADHOC) {
u16 enable = true ;
/* set ibss coalescing_status */
ret = mwifiex_send_cmd(
priv,
HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
HostCmd_ACT_GEN_SET, 0 , &enable, true );
if (ret)
return ret;
/* "privacy" is set only for ad-hoc mode */
if (privacy) {
/*
* Keep WLAN_CIPHER_SUITE_WEP104 for now so that
* the firmware can find a matching network from the
* scan . The cfg80211 does not give us the encryption
* mode at this stage so just setting it to WEP here .
*/
priv->sec_info.encryption_mode =
WLAN_CIPHER_SUITE_WEP104;
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_OPEN_SYSTEM;
}
goto done;
}
/* Now handle infra mode. "sme" is valid for infra mode only */
if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
priv->sec_info.is_authtype_auto = 1 ;
} else {
auth_type = sme->auth_type;
}
if (sme->crypto.n_ciphers_pairwise) {
priv->sec_info.encryption_mode =
sme->crypto.ciphers_pairwise[0 ];
priv->sec_info.authentication_mode = auth_type;
}
if (sme->crypto.cipher_group) {
priv->sec_info.encryption_mode = sme->crypto.cipher_group;
priv->sec_info.authentication_mode = auth_type;
}
if (sme->ie)
ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
if (sme->key) {
if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
mwifiex_dbg(priv->adapter, INFO,
"info: setting wep encryption\t"
"with key len %d\n" , sme->key_len);
priv->wep_key_curr_index = sme->key_idx;
ret = mwifiex_set_encode(priv, NULL, sme->key,
sme->key_len, sme->key_idx,
NULL, 0 );
}
}
done:
/*
* Scan entries are valid for some time ( 15 sec ) . So we can save one
* active scan time if we just try cfg80211_get_bss first . If it fails
* then request scan and cfg80211_get_bss ( ) again for final output .
*/
while (1 ) {
if (is_scanning_required) {
/* Do specific SSID scanning */
if (mwifiex_request_scan(priv, &req_ssid)) {
mwifiex_dbg(priv->adapter, ERROR, "scan error\n" );
return -EFAULT;
}
}
/* Find the BSS we want using available scan results */
if (mode == NL80211_IFTYPE_ADHOC)
bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
bssid, ssid, ssid_len,
IEEE80211_BSS_TYPE_IBSS,
IEEE80211_PRIVACY_ANY);
else
bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
bssid, ssid, ssid_len,
IEEE80211_BSS_TYPE_ESS,
IEEE80211_PRIVACY_ANY);
if (!bss) {
if (is_scanning_required) {
mwifiex_dbg(priv->adapter, MSG,
"assoc: requested bss not found in scan results\n" );
break ;
}
is_scanning_required = 1 ;
} else {
mwifiex_dbg(priv->adapter, MSG,
"info: trying to associate to bssid %pM\n" ,
bss->bssid);
memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
break ;
}
}
if (bss)
cfg80211_ref_bss(priv->adapter->wiphy, bss);
ret = mwifiex_bss_start(priv, bss, &req_ssid);
if (ret)
goto cleanup;
if (mode == NL80211_IFTYPE_ADHOC) {
/* Inform the BSS information to kernel, otherwise
* kernel will give a panic after successful assoc */
if (mwifiex_cfg80211_inform_ibss_bss(priv)) {
ret = -EFAULT;
goto cleanup;
}
}
/* Pass the selected BSS entry to caller. */
if (sel_bss) {
*sel_bss = bss;
bss = NULL;
}
cleanup:
if (bss)
cfg80211_put_bss(priv->adapter->wiphy, bss);
return ret;
}
/*
* CFG802 . 11 operation handler for association request .
*
* This function does not work when the current mode is set to Ad - Hoc , or
* when there is already an association procedure going on . The given BSS
* information is used to associate .
*/
static int
mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_adapter *adapter = priv->adapter;
struct cfg80211_bss *bss = NULL;
int ret;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
mwifiex_dbg(adapter, ERROR,
"%s: reject infra assoc request in non-STA role\n" ,
dev->name);
return -EINVAL;
}
if (priv->wdev.connected) {
mwifiex_dbg(adapter, ERROR,
"%s: already connected\n" , dev->name);
return -EALREADY;
}
if (priv->scan_block)
priv->scan_block = false ;
if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
mwifiex_dbg(adapter, ERROR,
"%s: Ignore connection.\t"
"Card removed or FW in bad state\n" ,
dev->name);
return -EFAULT;
}
mwifiex_dbg(adapter, INFO,
"info: Trying to associate to bssid %pM\n" , sme->bssid);
if (!mwifiex_stop_bg_scan(priv))
cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0 );
ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
priv->bss_mode, sme->channel, sme, 0 ,
&bss);
if (!ret) {
cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL,
0 , NULL, 0 , WLAN_STATUS_SUCCESS,
GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED);
mwifiex_dbg(priv->adapter, MSG,
"info: associated to bssid %pM successfully\n" ,
priv->cfg_bssid);
if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
priv->adapter->auto_tdls &&
priv->bss_type == MWIFIEX_BSS_TYPE_STA)
mwifiex_setup_auto_tdls_timer(priv);
} else {
mwifiex_dbg(priv->adapter, ERROR,
"info: association to bssid %pM failed\n" ,
priv->cfg_bssid);
eth_zero_addr(priv->cfg_bssid);
if (ret > 0 )
cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
NULL, 0 , NULL, 0 , ret,
GFP_KERNEL);
else
cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
NULL, 0 , NULL, 0 ,
WLAN_STATUS_UNSPECIFIED_FAILURE,
GFP_KERNEL);
}
return 0 ;
}
/*
* This function sets following parameters for ibss network .
* - channel
* - start band
* - 11 n flag
* - secondary channel offset
*/
static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
struct cfg80211_ibss_params *params)
{
struct mwifiex_adapter *adapter = priv->adapter;
int index = 0 , i;
u8 config_bands = 0 ;
if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
if (!params->basic_rates) {
config_bands = BAND_B | BAND_G;
} else {
for (i = 0 ; i < mwifiex_band_2ghz.n_bitrates; i++) {
/*
* Rates below 6 Mbps in the table are CCK
* rates ; 802 . 11 b and from 6 they are OFDM ;
* 802 . 11 G
*/
if (mwifiex_rates[i].bitrate == 60 ) {
index = 1 << i;
break ;
}
}
if (params->basic_rates < index) {
config_bands = BAND_B;
} else {
config_bands = BAND_G;
if (params->basic_rates % index)
config_bands |= BAND_B;
}
}
if (cfg80211_get_chandef_type(¶ms->chandef) !=
NL80211_CHAN_NO_HT)
config_bands |= BAND_G | BAND_GN;
} else {
if (cfg80211_get_chandef_type(¶ms->chandef) ==
NL80211_CHAN_NO_HT)
config_bands = BAND_A;
else
config_bands = BAND_AN | BAND_A;
}
if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
adapter->config_bands = config_bands;
adapter->adhoc_start_band = config_bands;
if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
adapter->adhoc_11n_enabled = true ;
else
adapter->adhoc_11n_enabled = false ;
}
adapter->sec_chan_offset =
mwifiex_chan_type_to_sec_chan_offset(
cfg80211_get_chandef_type(¶ms->chandef));
priv->adhoc_channel = ieee80211_frequency_to_channel(
params->chandef.chan->center_freq);
mwifiex_dbg(adapter, INFO,
"info: set ibss band %d, chan %d, chan offset %d\n" ,
config_bands, priv->adhoc_channel,
adapter->sec_chan_offset);
return 0 ;
}
/*
* CFG802 . 11 operation handler to join an IBSS .
*
* This function does not work in any mode other than Ad - Hoc , or if
* a join operation is already in progress .
*/
static int
mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_ibss_params *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int ret = 0 ;
if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
mwifiex_dbg(priv->adapter, ERROR,
"request to join ibss received\t"
"when station is not in ibss mode\n" );
goto done;
}
mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n" ,
params->bssid);
mwifiex_set_ibss_params(priv, params);
ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
params->bssid, priv->bss_mode,
params->chandef.chan, NULL,
params->privacy, NULL);
done:
if (!ret) {
cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
params->chandef.chan, GFP_KERNEL);
mwifiex_dbg(priv->adapter, MSG,
"info: joined/created adhoc network with bssid\t"
"%pM successfully\n" , priv->cfg_bssid);
} else {
mwifiex_dbg(priv->adapter, ERROR,
"info: failed creating/joining adhoc network\n" );
}
return ret;
}
/*
* CFG802 . 11 operation handler to leave an IBSS .
*
* This function does not work if a leave operation is
* already in progress .
*/
static int
mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n" ,
priv->cfg_bssid);
if (mwifiex_deauthenticate(priv, NULL))
return -EFAULT;
eth_zero_addr(priv->cfg_bssid);
return 0 ;
}
/*
* CFG802 . 11 operation handler for scan request .
*
* This function issues a scan request to the firmware based upon
* the user specified scan configuration . On successful completion ,
* it also informs the results .
*/
static int
mwifiex_cfg80211_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct net_device *dev = request->wdev->netdev;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int i, offset, ret;
struct ieee80211_channel *chan;
struct ieee_types_header *ie;
struct mwifiex_user_scan_cfg *user_scan_cfg;
u8 mac_addr[ETH_ALEN];
mwifiex_dbg(priv->adapter, CMD,
"info: received scan request on %s\n" , dev->name);
/* Block scan request if scan operation or scan cleanup when interface
* is disabled is in process
*/
if (priv->scan_request || priv->scan_aborting) {
mwifiex_dbg(priv->adapter, WARN,
"cmd: Scan already in process..\n" );
return -EBUSY;
}
if (!priv->wdev.connected && priv->scan_block)
priv->scan_block = false ;
if (!mwifiex_stop_bg_scan(priv))
cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0 );
user_scan_cfg = kzalloc(sizeof (*user_scan_cfg), GFP_KERNEL);
if (!user_scan_cfg)
return -ENOMEM;
priv->scan_request = request;
if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
get_random_mask_addr(mac_addr, request->mac_addr,
request->mac_addr_mask);
ether_addr_copy(request->mac_addr, mac_addr);
ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
}
user_scan_cfg->num_ssids = request->n_ssids;
user_scan_cfg->ssid_list = request->ssids;
if (request->ie && request->ie_len) {
offset = 0 ;
for (i = 0 ; i < MWIFIEX_MAX_VSIE_NUM; i++) {
if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
continue ;
priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
ie = (struct ieee_types_header *)(request->ie + offset);
memcpy(&priv->vs_ie[i].ie, ie, sizeof (*ie) + ie->len);
offset += sizeof (*ie) + ie->len;
if (offset >= request->ie_len)
break ;
}
}
for (i = 0 ; i < min_t(u32, request->n_channels,
MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
chan = request->channels[i];
user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
user_scan_cfg->chan_list[i].radio_type = chan->band;
if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_PASSIVE;
else
user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_ACTIVE;
user_scan_cfg->chan_list[i].scan_time = 0 ;
}
if (priv->adapter->scan_chan_gap_enabled &&
mwifiex_is_any_intf_active(priv))
user_scan_cfg->scan_chan_gap =
priv->adapter->scan_chan_gap_time;
ret = mwifiex_scan_networks(priv, user_scan_cfg);
kfree(user_scan_cfg);
if (ret) {
mwifiex_dbg(priv->adapter, ERROR,
"scan failed: %d\n" , ret);
priv->scan_aborting = false ;
priv->scan_request = NULL;
return ret;
}
if (request->ie && request->ie_len) {
for (i = 0 ; i < MWIFIEX_MAX_VSIE_NUM; i++) {
if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
memset(&priv->vs_ie[i].ie, 0 ,
MWIFIEX_MAX_VSIE_LEN);
}
}
}
return 0 ;
}
/* CFG802.11 operation handler for sched_scan_start.
*
* This function issues a bgscan config request to the firmware based upon
* the user specified sched_scan configuration . On successful completion ,
* firmware will generate BGSCAN_REPORT event , driver should issue bgscan
* query command to get sched_scan results from firmware .
*/
static int
mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_sched_scan_request *request)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int i, offset;
struct ieee80211_channel *chan;
struct mwifiex_bg_scan_cfg *bgscan_cfg;
struct ieee_types_header *ie;
if (!request || (!request->n_ssids && !request->n_match_sets)) {
wiphy_err(wiphy, "%s : Invalid Sched_scan parameters" ,
__func__);
return -EINVAL;
}
wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d " ,
request->n_ssids, request->n_match_sets);
wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n" ,
request->n_channels, request->scan_plans->interval,
(int )request->ie_len);
bgscan_cfg = kzalloc(sizeof (*bgscan_cfg), GFP_KERNEL);
if (!bgscan_cfg)
return -ENOMEM;
if (priv->scan_request || priv->scan_aborting)
bgscan_cfg->start_later = true ;
bgscan_cfg->num_ssids = request->n_match_sets;
bgscan_cfg->ssid_list = request->match_sets;
if (request->ie && request->ie_len) {
offset = 0 ;
for (i = 0 ; i < MWIFIEX_MAX_VSIE_NUM; i++) {
if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
continue ;
priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
ie = (struct ieee_types_header *)(request->ie + offset);
memcpy(&priv->vs_ie[i].ie, ie, sizeof (*ie) + ie->len);
offset += sizeof (*ie) + ie->len;
if (offset >= request->ie_len)
break ;
}
}
for (i = 0 ; i < min_t(u32, request->n_channels,
MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
chan = request->channels[i];
bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
bgscan_cfg->chan_list[i].radio_type = chan->band;
if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
bgscan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_PASSIVE;
else
bgscan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_ACTIVE;
bgscan_cfg->chan_list[i].scan_time = 0 ;
}
bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
MWIFIEX_BG_SCAN_CHAN_MAX);
/* Use at least 15 second for per scan cycle */
bgscan_cfg->scan_interval = (request->scan_plans->interval >
MWIFIEX_BGSCAN_INTERVAL) ?
request->scan_plans->interval :
MWIFIEX_BGSCAN_INTERVAL;
bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
bgscan_cfg->enable = true ;
if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
bgscan_cfg->rssi_threshold = request->min_rssi_thold;
}
if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
HostCmd_ACT_GEN_SET, 0 , bgscan_cfg, true )) {
kfree(bgscan_cfg);
return -EFAULT;
}
priv->sched_scanning = true ;
kfree(bgscan_cfg);
return 0 ;
}
/* CFG802.11 operation handler for sched_scan_stop.
*
* This function issues a bgscan config command to disable
* previous bgscan configuration in the firmware
*/
static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
struct net_device *dev, u64 reqid)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
wiphy_info(wiphy, "sched scan stop!" );
mwifiex_stop_bg_scan(priv);
return 0 ;
}
static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
vht_info->vht_supported = true ;
vht_info->cap = adapter->hw_dot_11ac_dev_cap;
/* Update MCS support for VHT */
vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
adapter->hw_dot_11ac_mcs_support & 0 xFFFF);
vht_info->vht_mcs.rx_highest = 0 ;
vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
adapter->hw_dot_11ac_mcs_support >> 16 );
vht_info->vht_mcs.tx_highest = 0 ;
}
/*
* This function sets up the CFG802 . 11 specific HT capability fields
* with default values .
*
* The following default values are set -
* - HT Supported = True
* - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
* - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
* - HT Capabilities supported by firmware
* - MCS information , Rx mask = 0 xff
* - MCD information , Tx parameters = IEEE80211_HT_MCS_TX_DEFINED ( 0 x01 )
*/
static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
struct mwifiex_private *priv)
{
int rx_mcs_supp;
struct mwifiex_adapter *adapter = priv->adapter;
ht_info->ht_supported = true ;
ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
/* Fill HT capability information */
if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
else
ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
else
ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
else
ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
else
ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
else
ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
else
ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
else
ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
else
ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
memset(&ht_info->mcs, 0 , sizeof (ht_info->mcs));
/* Set MCS for 1x1/2x2 */
memset(ht_info->mcs.rx_mask, 0 xff, rx_mcs_supp);
if (priv->bss_mode == NL80211_IFTYPE_STATION ||
ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
/* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
SETHT_MCS32(ht_info->mcs.rx_mask);
ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
}
/*
* create a new virtual interface with the given name and name assign type
*/
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
const char *name,
unsigned char name_assign_type,
enum nl80211_iftype type,
struct vif_params *params)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
struct net_device *dev;
void *mdev_priv;
int ret;
if (!adapter)
return ERR_PTR(-EFAULT);
switch (type) {
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
if (adapter->curr_iface_comb.sta_intf ==
adapter->iface_limit.sta_intf) {
mwifiex_dbg(adapter, ERROR,
"cannot create multiple sta/adhoc ifaces\n" );
return ERR_PTR(-EINVAL);
}
priv = mwifiex_get_unused_priv_by_bss_type(
adapter, MWIFIEX_BSS_TYPE_STA);
if (!priv) {
mwifiex_dbg(adapter, ERROR,
"could not get free private struct\n" );
return ERR_PTR(-EFAULT);
}
priv->wdev.iftype = NL80211_IFTYPE_STATION;
if (type == NL80211_IFTYPE_UNSPECIFIED)
priv->bss_mode = NL80211_IFTYPE_STATION;
else
priv->bss_mode = type;
priv->bss_type = MWIFIEX_BSS_TYPE_STA;
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
break ;
case NL80211_IFTYPE_AP:
if (adapter->curr_iface_comb.uap_intf ==
adapter->iface_limit.uap_intf) {
mwifiex_dbg(adapter, ERROR,
"cannot create multiple AP ifaces\n" );
return ERR_PTR(-EINVAL);
}
priv = mwifiex_get_unused_priv_by_bss_type(
adapter, MWIFIEX_BSS_TYPE_UAP);
if (!priv) {
mwifiex_dbg(adapter, ERROR,
"could not get free private struct\n" );
return ERR_PTR(-EFAULT);
}
priv->wdev.iftype = NL80211_IFTYPE_AP;
priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
priv->bss_mode = type;
break ;
case NL80211_IFTYPE_P2P_CLIENT:
if (adapter->curr_iface_comb.p2p_intf ==
adapter->iface_limit.p2p_intf) {
mwifiex_dbg(adapter, ERROR,
"cannot create multiple P2P ifaces\n" );
return ERR_PTR(-EINVAL);
}
priv = mwifiex_get_unused_priv_by_bss_type(
adapter, MWIFIEX_BSS_TYPE_P2P);
if (!priv) {
mwifiex_dbg(adapter, ERROR,
"could not get free private struct\n" );
return ERR_PTR(-EFAULT);
}
/* At start-up, wpa_supplicant tries to change the interface
* to NL80211_IFTYPE_STATION if it is not managed mode .
*/
priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
/* Setting bss_type to P2P tells firmware that this interface
* is receiving P2P peers found during find phase and doing
* action frame handshake .
*/
priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
if (mwifiex_cfg80211_init_p2p_client(priv)) {
memset(&priv->wdev, 0 , sizeof (priv->wdev));
priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
return ERR_PTR(-EFAULT);
}
break ;
default :
mwifiex_dbg(adapter, ERROR, "type not supported\n" );
return ERR_PTR(-EINVAL);
}
priv->wdev.wiphy = wiphy;
priv->bss_priority = 0 ;
priv->bss_started = 0 ;
priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
dev = alloc_netdev_mqs(sizeof (struct mwifiex_private *), name,
name_assign_type, ether_setup,
IEEE80211_NUM_ACS, 1 );
if (!dev) {
mwifiex_dbg(adapter, ERROR,
"no memory available for netdevice\n" );
ret = -ENOMEM;
goto err_alloc_netdev;
}
mwifiex_init_priv_params(priv, dev);
priv->netdev = dev;
if (!adapter->mfg_mode) {
mwifiex_set_mac_address(priv, dev, false , NULL);
ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0 , NULL, true );
if (ret)
goto err_set_bss_mode;
ret = mwifiex_sta_init_cmd(priv, false );
if (ret)
goto err_sta_init;
}
mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
if (adapter->is_hw_11ac_capable)
mwifiex_setup_vht_caps(
&wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
if (adapter->config_bands & BAND_A)
mwifiex_setup_ht_caps(
&wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
mwifiex_setup_vht_caps(
&wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
dev_net_set(dev, wiphy_net(wiphy));
dev->ieee80211_ptr = &priv->wdev;
dev->ieee80211_ptr->iftype = priv->bss_mode;
SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
dev->ethtool_ops = &mwifiex_ethtool_ops;
mdev_priv = netdev_priv(dev);
*((unsigned long *) mdev_priv) = (unsigned long ) priv;
SET_NETDEV_DEV(dev, adapter->dev);
priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s" ,
WQ_HIGHPRI |
WQ_MEM_RECLAIM |
WQ_UNBOUND, 0 , name);
if (!priv->dfs_cac_workqueue) {
mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n" );
ret = -ENOMEM;
goto err_alloc_cac;
}
INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s" ,
WQ_HIGHPRI | WQ_UNBOUND |
WQ_MEM_RECLAIM, 0 , name);
if (!priv->dfs_chan_sw_workqueue) {
mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n" );
ret = -ENOMEM;
goto err_alloc_chsw;
}
INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
mwifiex_dfs_chan_sw_work_queue);
mutex_init(&priv->async_mutex);
/* Register network device */
if (cfg80211_register_netdevice(dev)) {
mwifiex_dbg(adapter, ERROR, "cannot register network device\n" );
ret = -EFAULT;
goto err_reg_netdev;
}
mwifiex_dbg(adapter, INFO,
"info: %s: Marvell 802.11 Adapter\n" , dev->name);
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_init(priv);
#endif
update_vif_type_counter(adapter, type, +1 );
return &priv->wdev;
err_reg_netdev:
destroy_workqueue(priv->dfs_chan_sw_workqueue);
priv->dfs_chan_sw_workqueue = NULL;
err_alloc_chsw:
destroy_workqueue(priv->dfs_cac_workqueue);
priv->dfs_cac_workqueue = NULL;
err_alloc_cac:
free_netdev(dev);
priv->netdev = NULL;
err_sta_init:
err_set_bss_mode:
err_alloc_netdev:
memset(&priv->wdev, 0 , sizeof (priv->wdev));
priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
/*
* del_virtual_intf : remove the virtual interface determined by dev
*/
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
struct mwifiex_adapter *adapter = priv->adapter;
struct sk_buff *skb, *tmp;
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_remove(priv);
#endif
if (priv->sched_scanning)
priv->sched_scanning = false ;
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
skb_unlink(skb, &priv->bypass_txq);
mwifiex_write_data_complete(priv->adapter, skb, 0 , -1 );
}
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (wdev->netdev->reg_state == NETREG_REGISTERED)
cfg80211_unregister_netdevice(wdev->netdev);
if (priv->dfs_cac_workqueue) {
destroy_workqueue(priv->dfs_cac_workqueue);
priv->dfs_cac_workqueue = NULL;
}
if (priv->dfs_chan_sw_workqueue) {
destroy_workqueue(priv->dfs_chan_sw_workqueue);
priv->dfs_chan_sw_workqueue = NULL;
}
/* Clear the priv in adapter */
priv->netdev = NULL;
update_vif_type_counter(adapter, priv->bss_mode, -1 );
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
kfree(priv->hist_data);
return 0 ;
}
EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
static bool
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
u8 max_byte_seq)
{
int j, k, valid_byte_cnt = 0 ;
bool dont_care_byte = false ;
for (j = 0 ; j < DIV_ROUND_UP(pat->pattern_len, 8 ); j++) {
for (k = 0 ; k < 8 ; k++) {
if (pat->mask[j] & 1 << k) {
memcpy(byte_seq + valid_byte_cnt,
&pat->pattern[j * 8 + k], 1 );
valid_byte_cnt++;
if (dont_care_byte)
return false ;
} else {
if (valid_byte_cnt)
dont_care_byte = true ;
}
/* wildcard bytes record as the offset
* before the valid byte
*/
if (!valid_byte_cnt && !dont_care_byte)
pat->pkt_offset++;
if (valid_byte_cnt > max_byte_seq)
return false ;
}
}
byte_seq[max_byte_seq] = valid_byte_cnt;
return true ;
}
#ifdef CONFIG_PM
static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
struct mwifiex_mef_entry *mef_entry)
{
int i, filt_num = 0 , num_ipv4 = 0 ;
struct in_device *in_dev;
struct in_ifaddr *ifa;
__be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
struct mwifiex_adapter *adapter = priv->adapter;
mef_entry->mode = MEF_MODE_HOST_SLEEP;
mef_entry->action = MEF_ACTION_AUTO_ARP;
/* Enable ARP offload feature */
memset(ips, 0 , sizeof (ips));
for (i = 0 ; i < MWIFIEX_MAX_BSS_NUM; i++) {
if (adapter->priv[i]->netdev) {
in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
if (!in_dev)
continue ;
ifa = rtnl_dereference(in_dev->ifa_list);
if (!ifa || !ifa->ifa_local)
continue ;
ips[i] = ifa->ifa_local;
num_ipv4++;
}
}
for (i = 0 ; i < num_ipv4; i++) {
if (!ips[i])
continue ;
mef_entry->filter[filt_num].repeat = 1 ;
memcpy(mef_entry->filter[filt_num].byte_seq,
(u8 *)&ips[i], sizeof (ips[i]));
mef_entry->filter[filt_num].
byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
sizeof (ips[i]);
mef_entry->filter[filt_num].offset = 46 ;
mef_entry->filter[filt_num].filt_type = TYPE_EQ;
if (filt_num) {
mef_entry->filter[filt_num].filt_action =
TYPE_OR;
}
filt_num++;
}
mef_entry->filter[filt_num].repeat = 1 ;
mef_entry->filter[filt_num].byte_seq[0 ] = 0 x08;
mef_entry->filter[filt_num].byte_seq[1 ] = 0 x06;
mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2 ;
mef_entry->filter[filt_num].offset = 20 ;
mef_entry->filter[filt_num].filt_type = TYPE_EQ;
mef_entry->filter[filt_num].filt_action = TYPE_AND;
}
static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
struct mwifiex_ds_mef_cfg *mef_cfg,
struct mwifiex_mef_entry *mef_entry,
struct cfg80211_wowlan *wowlan)
{
int i, filt_num = 0 , ret = 0 ;
bool first_pat = true ;
u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1 ];
static const u8 ipv4_mc_mac[] = {0 x33, 0 x33};
static const u8 ipv6_mc_mac[] = {0 x01, 0 x00, 0 x5e};
mef_entry->mode = MEF_MODE_HOST_SLEEP;
mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
for (i = 0 ; i < wowlan->n_patterns; i++) {
memset(byte_seq, 0 , sizeof (byte_seq));
if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
byte_seq,
MWIFIEX_MEF_MAX_BYTESEQ)) {
mwifiex_dbg(priv->adapter, ERROR,
"Pattern not supported\n" );
return -EOPNOTSUPP;
}
if (!wowlan->patterns[i].pkt_offset) {
if (is_unicast_ether_addr(byte_seq) &&
(byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1 )) {
mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
continue ;
} else if (is_broadcast_ether_addr(byte_seq)) {
mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
continue ;
} else if ((!memcmp(byte_seq, ipv4_mc_mac, 2 ) &&
(byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2 )) ||
(!memcmp(byte_seq, ipv6_mc_mac, 3 ) &&
(byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3 ))) {
mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
continue ;
}
}
mef_entry->filter[filt_num].repeat = 1 ;
mef_entry->filter[filt_num].offset =
wowlan->patterns[i].pkt_offset;
memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
sizeof (byte_seq));
mef_entry->filter[filt_num].filt_type = TYPE_EQ;
if (first_pat) {
first_pat = false ;
mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n" );
} else {
mef_entry->filter[filt_num].filt_action = TYPE_AND;
}
filt_num++;
}
if (wowlan->magic_pkt) {
mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
mef_entry->filter[filt_num].repeat = 16 ;
memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
ETH_ALEN);
mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
ETH_ALEN;
mef_entry->filter[filt_num].offset = 28 ;
mef_entry->filter[filt_num].filt_type = TYPE_EQ;
if (filt_num)
mef_entry->filter[filt_num].filt_action = TYPE_OR;
filt_num++;
mef_entry->filter[filt_num].repeat = 16 ;
memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
ETH_ALEN);
mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
ETH_ALEN;
mef_entry->filter[filt_num].offset = 56 ;
mef_entry->filter[filt_num].filt_type = TYPE_EQ;
mef_entry->filter[filt_num].filt_action = TYPE_OR;
mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n" );
}
return ret;
}
static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
struct cfg80211_wowlan *wowlan)
{
int ret = 0 , num_entries = 1 ;
struct mwifiex_ds_mef_cfg mef_cfg;
struct mwifiex_mef_entry *mef_entry;
if (wowlan->n_patterns || wowlan->magic_pkt)
num_entries++;
mef_entry = kcalloc(num_entries, sizeof (*mef_entry), GFP_KERNEL);
if (!mef_entry)
return -ENOMEM;
memset(&mef_cfg, 0 , sizeof (mef_cfg));
mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
MWIFIEX_CRITERIA_UNICAST;
mef_cfg.num_entries = num_entries;
mef_cfg.mef_entry = mef_entry;
mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0 ]);
if (wowlan->n_patterns || wowlan->magic_pkt) {
ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
&mef_entry[1 ], wowlan);
if (ret)
goto err;
}
if (!mef_cfg.criteria)
mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
MWIFIEX_CRITERIA_UNICAST |
MWIFIEX_CRITERIA_MULTICAST;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
HostCmd_ACT_GEN_SET, 0 ,
&mef_cfg, true );
err:
kfree(mef_entry);
return ret;
}
static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
struct cfg80211_wowlan *wowlan)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_ds_hs_cfg hs_cfg;
int i, ret = 0 , retry_num = 10 ;
struct mwifiex_private *priv;
struct mwifiex_private *sta_priv =
mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
sta_priv->scan_aborting = true ;
for (i = 0 ; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
mwifiex_abort_cac(priv);
}
mwifiex_cancel_all_pending_cmd(adapter);
for (i = 0 ; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
if (priv->netdev)
netif_device_detach(priv->netdev);
}
for (i = 0 ; i < retry_num; i++) {
if (!mwifiex_wmm_lists_empty(adapter) ||
!mwifiex_bypass_txlist_empty(adapter) ||
!skb_queue_empty(&adapter->tx_data_q))
usleep_range(10000 , 15000 );
else
break ;
}
if (!wowlan) {
mwifiex_dbg(adapter, INFO,
"None of the WOWLAN triggers enabled\n" );
ret = 0 ;
goto done;
}
if (!sta_priv->media_connected && !wowlan->nd_config) {
mwifiex_dbg(adapter, ERROR,
"Can not configure WOWLAN in disconnected state\n" );
ret = 0 ;
goto done;
}
ret = mwifiex_set_mef_filter(sta_priv, wowlan);
if (ret) {
mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n" );
goto done;
}
memset(&hs_cfg, 0 , sizeof (hs_cfg));
hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
if (wowlan->nd_config) {
mwifiex_dbg(adapter, INFO, "Wake on net detect\n" );
hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
wowlan->nd_config);
}
if (wowlan->disconnect) {
hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n" );
}
hs_cfg.is_invoke_hostcmd = false ;
hs_cfg.gpio = adapter->hs_cfg.gpio;
hs_cfg.gap = adapter->hs_cfg.gap;
ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
MWIFIEX_SYNC_CMD, &hs_cfg);
if (ret)
mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n" );
done:
sta_priv->scan_aborting = false ;
return ret;
}
static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
struct mwifiex_ds_wakeup_reason wakeup_reason;
struct cfg80211_wowlan_wakeup wakeup_report;
int i;
bool report_wakeup_reason = true ;
for (i = 0 ; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
if (priv->netdev)
netif_device_attach(priv->netdev);
}
if (!wiphy->wowlan_config)
goto done;
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
&wakeup_reason);
memset(&wakeup_report, 0 , sizeof (struct cfg80211_wowlan_wakeup));
wakeup_report.pattern_idx = -1 ;
switch (wakeup_reason.hs_wakeup_reason) {
case NO_HSWAKEUP_REASON:
break ;
case BCAST_DATA_MATCHED:
break ;
case MCAST_DATA_MATCHED:
break ;
case UCAST_DATA_MATCHED:
break ;
case MASKTABLE_EVENT_MATCHED:
break ;
case NON_MASKABLE_EVENT_MATCHED:
if (wiphy->wowlan_config->disconnect)
wakeup_report.disconnect = true ;
if (wiphy->wowlan_config->nd_config)
wakeup_report.net_detect = adapter->nd_info;
break ;
case NON_MASKABLE_CONDITION_MATCHED:
break ;
case MAGIC_PATTERN_MATCHED:
if (wiphy->wowlan_config->magic_pkt)
wakeup_report.magic_pkt = true ;
if (wiphy->wowlan_config->n_patterns)
wakeup_report.pattern_idx = 1 ;
break ;
case GTK_REKEY_FAILURE:
if (wiphy->wowlan_config->gtk_rekey_failure)
wakeup_report.gtk_rekey_failure = true ;
break ;
default :
report_wakeup_reason = false ;
break ;
}
if (report_wakeup_reason)
cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
GFP_KERNEL);
done:
if (adapter->nd_info) {
for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
kfree(adapter->nd_info->matches[i]);
kfree(adapter->nd_info);
adapter->nd_info = NULL;
}
return 0 ;
}
static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
bool enabled)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
device_set_wakeup_enable(adapter->dev, enabled);
}
static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_gtk_rekey_data *data)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
return -EOPNOTSUPP;
if (priv->adapter->host_mlme_enabled)
return 0 ;
return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
HostCmd_ACT_GEN_SET, 0 , data, true );
}
#endif
static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
{
static const u8 ipv4_mc_mac[] = {0 x33, 0 x33};
static const u8 ipv6_mc_mac[] = {0 x01, 0 x00, 0 x5e};
static const u8 bc_mac[] = {0 xff, 0 xff, 0 xff, 0 xff};
if ((byte_seq[0 ] & 0 x01) &&
(byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1 ))
return PACKET_TYPE_UNICAST;
else if (!memcmp(byte_seq, bc_mac, 4 ))
return PACKET_TYPE_BROADCAST;
else if ((!memcmp(byte_seq, ipv4_mc_mac, 2 ) &&
byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2 ) ||
(!memcmp(byte_seq, ipv6_mc_mac, 3 ) &&
byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3 ))
return PACKET_TYPE_MULTICAST;
return 0 ;
}
static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
struct cfg80211_coalesce_rules *crule,
struct mwifiex_coalesce_rule *mrule)
{
u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1 ];
struct filt_field_param *param;
int i;
mrule->max_coalescing_delay = crule->delay;
param = mrule->params;
for (i = 0 ; i < crule->n_patterns; i++) {
memset(byte_seq, 0 , sizeof (byte_seq));
if (!mwifiex_is_pattern_supported(&crule->patterns[i],
byte_seq,
MWIFIEX_COALESCE_MAX_BYTESEQ)) {
mwifiex_dbg(priv->adapter, ERROR,
"Pattern not supported\n" );
return -EOPNOTSUPP;
}
if (!crule->patterns[i].pkt_offset) {
u8 pkt_type;
pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
if (pkt_type && mrule->pkt_type) {
mwifiex_dbg(priv->adapter, ERROR,
"Multiple packet types not allowed\n" );
return -EOPNOTSUPP;
} else if (pkt_type) {
mrule->pkt_type = pkt_type;
continue ;
}
}
if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
param->operation = RECV_FILTER_MATCH_TYPE_EQ;
else
param->operation = RECV_FILTER_MATCH_TYPE_NE;
param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
memcpy(param->operand_byte_stream, byte_seq,
param->operand_len);
param->offset = crule->patterns[i].pkt_offset;
param++;
mrule->num_of_fields++;
}
if (!mrule->pkt_type) {
mwifiex_dbg(priv->adapter, ERROR,
"Packet type can not be determined\n" );
return -EOPNOTSUPP;
}
return 0 ;
}
static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
struct cfg80211_coalesce *coalesce)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
int i, ret;
struct mwifiex_ds_coalesce_cfg coalesce_cfg;
struct mwifiex_private *priv =
mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
memset(&coalesce_cfg, 0 , sizeof (coalesce_cfg));
if (!coalesce) {
mwifiex_dbg(adapter, WARN,
"Disable coalesce and reset all previous rules\n" );
return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
HostCmd_ACT_GEN_SET, 0 ,
&coalesce_cfg, true );
}
coalesce_cfg.num_of_rules = coalesce->n_rules;
for (i = 0 ; i < coalesce->n_rules; i++) {
ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
&coalesce_cfg.rule[i]);
if (ret) {
mwifiex_dbg(adapter, ERROR,
"Recheck the patterns provided for rule %d\n" ,
i + 1 );
return ret;
}
}
return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
HostCmd_ACT_GEN_SET, 0 , &coalesce_cfg, true );
}
/* cfg80211 ops handler for tdls_mgmt.
* Function prepares TDLS action frame packets and forwards them to FW
*/
static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, int link_id, u8 action_code,
u8 dialog_token, u16 status_code,
u32 peer_capability, bool initiator,
const u8 *extra_ies, size_t extra_ies_len)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int ret;
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return -EOPNOTSUPP;
/* make sure we are in station mode and connected */
if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
return -EOPNOTSUPP;
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
mwifiex_dbg(priv->adapter, MSG,
"Send TDLS Setup Request to %pM status_code=%d\n" ,
peer, status_code);
mwifiex_add_auto_tdls_peer(priv, peer);
ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
dialog_token, status_code,
extra_ies, extra_ies_len);
break ;
case WLAN_TDLS_SETUP_RESPONSE:
mwifiex_add_auto_tdls_peer(priv, peer);
mwifiex_dbg(priv->adapter, MSG,
"Send TDLS Setup Response to %pM status_code=%d\n" ,
peer, status_code);
ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
dialog_token, status_code,
extra_ies, extra_ies_len);
break ;
case WLAN_TDLS_SETUP_CONFIRM:
mwifiex_dbg(priv->adapter, MSG,
"Send TDLS Confirm to %pM status_code=%d\n" , peer,
status_code);
ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
dialog_token, status_code,
extra_ies, extra_ies_len);
break ;
case WLAN_TDLS_TEARDOWN:
mwifiex_dbg(priv->adapter, MSG,
"Send TDLS Tear down to %pM\n" , peer);
ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
dialog_token, status_code,
extra_ies, extra_ies_len);
break ;
case WLAN_TDLS_DISCOVERY_REQUEST:
mwifiex_dbg(priv->adapter, MSG,
"Send TDLS Discovery Request to %pM\n" , peer);
ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
dialog_token, status_code,
extra_ies, extra_ies_len);
break ;
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
mwifiex_dbg(priv->adapter, MSG,
"Send TDLS Discovery Response to %pM\n" , peer);
ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
dialog_token, status_code,
extra_ies, extra_ies_len);
break ;
default :
mwifiex_dbg(priv->adapter, ERROR,
"Unknown TDLS mgmt/action frame %pM\n" , peer);
ret = -EINVAL;
break ;
}
return ret;
}
static int
mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation action)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
!(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
return -EOPNOTSUPP;
/* make sure we are in station mode and connected */
if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
return -EOPNOTSUPP;
mwifiex_dbg(priv->adapter, MSG,
"TDLS peer=%pM, oper=%d\n" , peer, action);
switch (action) {
case NL80211_TDLS_ENABLE_LINK:
action = MWIFIEX_TDLS_ENABLE_LINK;
break ;
case NL80211_TDLS_DISABLE_LINK:
action = MWIFIEX_TDLS_DISABLE_LINK;
break ;
case NL80211_TDLS_TEARDOWN:
/* shouldn't happen!*/
mwifiex_dbg(priv->adapter, ERROR,
"tdls_oper: teardown from driver not supported\n" );
return -EINVAL;
case NL80211_TDLS_SETUP:
/* shouldn't happen!*/
mwifiex_dbg(priv->adapter, ERROR,
"tdls_oper: setup from driver not supported\n" );
return -EINVAL;
case NL80211_TDLS_DISCOVERY_REQ:
/* shouldn't happen!*/
mwifiex_dbg(priv->adapter, ERROR,
"tdls_oper: discovery from driver not supported\n" );
return -EINVAL;
default :
mwifiex_dbg(priv->adapter, ERROR,
"tdls_oper: operation not supported\n" );
return -EOPNOTSUPP;
}
return mwifiex_tdls_oper(priv, peer, action);
}
static int
mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
const u8 *addr, u8 oper_class,
struct cfg80211_chan_def *chandef)
{
struct mwifiex_sta_node *sta_ptr;
u16 chan;
u8 second_chan_offset, band;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
spin_lock_bh(&priv->sta_list_spinlock);
sta_ptr = mwifiex_get_sta_entry(priv, addr);
if (!sta_ptr) {
spin_unlock_bh(&priv->sta_list_spinlock);
wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n" ,
__func__, addr);
return -ENOENT;
}
if (!(sta_ptr->tdls_cap.extcap.ext_capab[3 ] &
WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
spin_unlock_bh(&priv->sta_list_spinlock);
wiphy_err(wiphy, "%pM do not support tdls cs\n" , addr);
return -ENOENT;
}
if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
spin_unlock_bh(&priv->sta_list_spinlock);
wiphy_err(wiphy, "channel switch is running, abort request\n" );
return -EALREADY;
}
spin_unlock_bh(&priv->sta_list_spinlock);
chan = chandef->chan->hw_value;
second_chan_offset = mwifiex_get_sec_chan_offset(chan);
band = chandef->chan->band;
mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
return 0 ;
}
static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
struct net_device *dev,
const u8 *addr)
{
struct mwifiex_sta_node *sta_ptr;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
spin_lock_bh(&priv->sta_list_spinlock);
sta_ptr = mwifiex_get_sta_entry(priv, addr);
if (!sta_ptr) {
spin_unlock_bh(&priv->sta_list_spinlock);
wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n" ,
__func__, addr);
} else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
spin_unlock_bh(&priv->sta_list_spinlock);
wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n" ,
addr);
} else {
spin_unlock_bh(&priv->sta_list_spinlock);
mwifiex_stop_tdls_cs(priv, addr);
}
}
static int
mwifiex_cfg80211_uap_add_station(struct mwifiex_private *priv, const u8 *mac,
struct station_parameters *params)
{
struct mwifiex_sta_info add_sta;
int ret;
memcpy(add_sta.peer_mac, mac, ETH_ALEN);
add_sta.params = params;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_ADD_NEW_STATION,
HostCmd_ACT_ADD_STA, 0 , (void *)&add_sta, true );
if (!ret) {
struct station_info *sinfo;
sinfo = kzalloc(sizeof (*sinfo), GFP_KERNEL);
if (!sinfo)
return -ENOMEM;
cfg80211_new_sta(priv->netdev, mac, sinfo, GFP_KERNEL);
kfree(sinfo);
}
return ret;
}
static int
mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac, struct station_parameters *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (priv->adapter->host_mlme_enabled &&
(GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP))
return mwifiex_cfg80211_uap_add_station(priv, mac, params);
if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
return -EOPNOTSUPP;
/* make sure we are in station mode and connected */
if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
return -EOPNOTSUPP;
return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
}
static int
mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_csa_settings *params)
{
struct ieee_types_header *chsw_ie;
struct ieee80211_channel_sw_ie *channel_sw;
int chsw_msec;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (priv->adapter->scan_processing) {
mwifiex_dbg(priv->adapter, ERROR,
"radar detection: scan in process...\n" );
return -EBUSY;
}
if (priv->wdev.links[0 ].cac_started)
return -EBUSY;
if (cfg80211_chandef_identical(¶ms->chandef,
&priv->dfs_chandef))
return -EINVAL;
chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
params->beacon_csa.tail,
params->beacon_csa.tail_len);
if (!chsw_ie) {
mwifiex_dbg(priv->adapter, ERROR,
"Could not parse channel switch announcement IE\n" );
return -EINVAL;
}
channel_sw = (void *)(chsw_ie + 1 );
if (channel_sw->mode) {
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
}
if (mwifiex_del_mgmt_ies(priv))
mwifiex_dbg(priv->adapter, ERROR,
"Failed to delete mgmt IEs!\n" );
if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) {
mwifiex_dbg(priv->adapter, ERROR,
"%s: setting mgmt ies failed\n" , __func__);
return -EFAULT;
}
memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof (priv->dfs_chandef));
memcpy(&priv->beacon_after, ¶ms->beacon_after,
sizeof (priv->beacon_after));
chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100 );
queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
msecs_to_jiffies(chsw_msec));
return 0 ;
}
static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
struct wireless_dev *wdev,
unsigned int link_id,
struct cfg80211_chan_def *chandef)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
struct mwifiex_bssdescriptor *curr_bss;
struct ieee80211_channel *chan;
enum nl80211_channel_type chan_type;
enum nl80211_band band;
int freq;
int ret = -ENODATA;
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
cfg80211_chandef_valid(&priv->bss_chandef)) {
*chandef = priv->bss_chandef;
ret = 0 ;
} else if (priv->media_connected) {
curr_bss = &priv->curr_bss_params.bss_descriptor;
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
chan = ieee80211_get_channel(wiphy, freq);
if (priv->ht_param_present) {
chan_type = mwifiex_get_chan_type(priv);
cfg80211_chandef_create(chandef, chan, chan_type);
} else {
cfg80211_chandef_create(chandef, chan,
NL80211_CHAN_NO_HT);
}
ret = 0 ;
}
return ret;
}
#ifdef CONFIG_NL80211_TESTMODE
enum mwifiex_tm_attr {
__MWIFIEX_TM_ATTR_INVALID = 0 ,
MWIFIEX_TM_ATTR_CMD = 1 ,
MWIFIEX_TM_ATTR_DATA = 2 ,
/* keep last */
__MWIFIEX_TM_ATTR_AFTER_LAST,
MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1 ,
};
static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1 ] = {
[MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
[MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
.len = MWIFIEX_SIZE_OF_CMD_BUFFER },
};
enum mwifiex_tm_command {
MWIFIEX_TM_CMD_HOSTCMD = 0 ,
};
static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
void *data, int len)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
struct mwifiex_ds_misc_cmd *hostcmd;
struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1 ];
struct sk_buff *skb;
int err;
if (!priv)
return -EINVAL;
err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
mwifiex_tm_policy, NULL);
if (err)
return err;
if (!tb[MWIFIEX_TM_ATTR_CMD])
return -EINVAL;
switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
case MWIFIEX_TM_CMD_HOSTCMD:
if (!tb[MWIFIEX_TM_ATTR_DATA])
return -EINVAL;
hostcmd = kzalloc(sizeof (*hostcmd), GFP_KERNEL);
if (!hostcmd)
return -ENOMEM;
hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
hostcmd->len);
if (mwifiex_send_cmd(priv, 0 , 0 , 0 , hostcmd, true )) {
dev_err(priv->adapter->dev, "Failed to process hostcmd\n" );
kfree(hostcmd);
return -EFAULT;
}
/* process hostcmd response*/
skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
if (!skb) {
kfree(hostcmd);
return -ENOMEM;
}
err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
hostcmd->len, hostcmd->cmd);
if (err) {
kfree(hostcmd);
kfree_skb(skb);
return -EMSGSIZE;
}
err = cfg80211_testmode_reply(skb);
kfree(hostcmd);
return err;
default :
return -EOPNOTSUPP;
}
}
#endif
static int
mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_chan_def *chandef,
u32 cac_time_ms, int link_id)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_radar_params radar_params;
if (priv->adapter->scan_processing) {
mwifiex_dbg(priv->adapter, ERROR,
"radar detection: scan already in process...\n" );
return -EBUSY;
}
if (!mwifiex_is_11h_active(priv)) {
mwifiex_dbg(priv->adapter, INFO,
"Enable 11h extensions in FW\n" );
if (mwifiex_11h_activate(priv, true )) {
mwifiex_dbg(priv->adapter, ERROR,
"Failed to activate 11h extensions!!" );
return -1 ;
}
priv->state_11h.is_11h_active = true ;
}
memset(&radar_params, 0 , sizeof (struct mwifiex_radar_params));
radar_params.chandef = chandef;
radar_params.cac_time_ms = cac_time_ms;
memcpy(&priv->dfs_chandef, chandef, sizeof (priv->dfs_chandef));
if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
HostCmd_ACT_GEN_SET, 0 , &radar_params, true ))
return -1 ;
queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
msecs_to_jiffies(cac_time_ms));
return 0 ;
}
static int
mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac,
struct station_parameters *params)
{
int ret;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (priv->adapter->host_mlme_enabled &&
(GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP))
return 0 ;
/* we support change_station handler only for TDLS peers*/
if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
return -EOPNOTSUPP;
/* make sure we are in station mode and connected */
if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
return -EOPNOTSUPP;
priv->sta_params = params;
ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
priv->sta_params = NULL;
return ret;
}
static int
mwifiex_cfg80211_authenticate(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_auth_request *req)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_adapter *adapter = priv->adapter;
struct sk_buff *skb;
u16 pkt_len, auth_alg;
int ret;
struct mwifiex_ieee80211_mgmt *mgmt;
struct mwifiex_txinfo *tx_info;
u32 tx_control = 0 , pkt_type = PKT_TYPE_MGMT;
u8 trans = 1 , status_code = 0 ;
u8 *varptr = NULL;
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
mwifiex_dbg(priv->adapter, ERROR, "Interface role is AP\n" );
return -EFAULT;
}
if (priv->wdev.iftype != NL80211_IFTYPE_STATION) {
mwifiex_dbg(priv->adapter, ERROR,
"Interface type is not correct (type %d)\n" ,
priv->wdev.iftype);
return -EINVAL;
}
if (priv->auth_alg != WLAN_AUTH_SAE &&
(priv->auth_flag & HOST_MLME_AUTH_PENDING)) {
mwifiex_dbg(priv->adapter, ERROR, "Pending auth on going\n" );
return -EBUSY;
}
if (!priv->host_mlme_reg) {
priv->host_mlme_reg = true ;
priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK;
mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
HostCmd_ACT_GEN_SET, 0 ,
&priv->mgmt_frame_mask, false );
}
switch (req->auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
auth_alg = WLAN_AUTH_OPEN;
break ;
case NL80211_AUTHTYPE_SHARED_KEY:
auth_alg = WLAN_AUTH_SHARED_KEY;
break ;
case NL80211_AUTHTYPE_FT:
auth_alg = WLAN_AUTH_FT;
break ;
case NL80211_AUTHTYPE_NETWORK_EAP:
auth_alg = WLAN_AUTH_LEAP;
break ;
case NL80211_AUTHTYPE_SAE:
auth_alg = WLAN_AUTH_SAE;
break ;
default :
mwifiex_dbg(priv->adapter, ERROR,
"unsupported auth type=%d\n" , req->auth_type);
return -EOPNOTSUPP;
}
if (!priv->auth_flag) {
ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET,
req->bss->channel,
AUTH_TX_DEFAULT_WAIT_TIME);
if (!ret) {
priv->roc_cfg.cookie = get_random_u32() | 1 ;
priv->roc_cfg.chan = *req->bss->channel;
} else {
return -EFAULT;
}
}
priv->sec_info.authentication_mode = auth_alg;
mwifiex_cancel_scan(adapter);
pkt_len = (u16)req->ie_len + req->auth_data_len +
MWIFIEX_MGMT_HEADER_LEN + MWIFIEX_AUTH_BODY_LEN;
if (req->auth_data_len >= 4 )
pkt_len -= 4 ;
skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
MWIFIEX_MGMT_FRAME_HEADER_SIZE +
pkt_len + sizeof (pkt_len));
if (!skb) {
mwifiex_dbg(priv->adapter, ERROR,
"allocate skb failed for management frame\n" );
return -ENOMEM;
}
tx_info = MWIFIEX_SKB_TXCB(skb);
memset(tx_info, 0 , sizeof (*tx_info));
tx_info->bss_num = priv->bss_num;
tx_info->bss_type = priv->bss_type;
tx_info->pkt_len = pkt_len;
skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof (pkt_len));
memcpy(skb_push(skb, sizeof (pkt_len)), &pkt_len, sizeof (pkt_len));
memcpy(skb_push(skb, sizeof (tx_control)),
&tx_control, sizeof (tx_control));
memcpy(skb_push(skb, sizeof (pkt_type)), &pkt_type, sizeof (pkt_type));
mgmt = (struct mwifiex_ieee80211_mgmt *)skb_put(skb, pkt_len);
memset(mgmt, 0 , pkt_len);
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
memcpy(mgmt->da, req->bss->bssid, ETH_ALEN);
memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN);
memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN);
eth_broadcast_addr(mgmt->addr4);
if (req->auth_data_len >= 4 ) {
if (req->auth_type == NL80211_AUTHTYPE_SAE) {
__le16 *pos = (__le16 *)req->auth_data;
trans = le16_to_cpu(pos[0 ]);
status_code = le16_to_cpu(pos[1 ]);
}
memcpy((u8 *)(&mgmt->auth.variable), req->auth_data + 4 ,
req->auth_data_len - 4 );
varptr = (u8 *)&mgmt->auth.variable +
(req->auth_data_len - 4 );
}
mgmt->auth.auth_alg = cpu_to_le16(auth_alg);
mgmt->auth.auth_transaction = cpu_to_le16(trans);
mgmt->auth.status_code = cpu_to_le16(status_code);
if (req->ie && req->ie_len) {
if (!varptr)
varptr = (u8 *)&mgmt->auth.variable;
memcpy((u8 *)varptr, req->ie, req->ie_len);
}
priv->auth_flag = HOST_MLME_AUTH_PENDING;
priv->auth_alg = auth_alg;
skb->priority = WMM_HIGHEST_PRIORITY;
__net_timestamp(skb);
mwifiex_dbg(priv->adapter, MSG,
"auth: send authentication to %pM\n" , req->bss->bssid);
mwifiex_queue_tx_pkt(priv, skb);
return 0 ;
}
static int
mwifiex_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_assoc_request *req)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_adapter *adapter = priv->adapter;
int ret;
struct cfg80211_ssid req_ssid;
const u8 *ssid_ie;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
mwifiex_dbg(adapter, ERROR,
"%s: reject infra assoc request in non-STA role\n" ,
dev->name);
return -EINVAL;
}
if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
mwifiex_dbg(adapter, ERROR,
"%s: Ignore association.\t"
"Card removed or FW in bad state\n" ,
dev->name);
return -EFAULT;
}
if (priv->auth_alg == WLAN_AUTH_SAE)
priv->auth_flag = HOST_MLME_AUTH_DONE;
if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE))
return -EBUSY;
if (priv->roc_cfg.cookie) {
ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
&priv->roc_cfg.chan, 0 );
if (!ret)
memset(&priv->roc_cfg, 0 ,
sizeof (struct mwifiex_roc_cfg));
else
return -EFAULT;
}
if (!mwifiex_stop_bg_scan(priv))
cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0 );
memset(&req_ssid, 0 , sizeof (struct cfg80211_ssid));
rcu_read_lock();
ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
if (!ssid_ie)
goto ssid_err;
req_ssid.ssid_len = ssid_ie[1 ];
if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) {
mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n" );
goto ssid_err;
}
memcpy(req_ssid.ssid, ssid_ie + 2 , req_ssid.ssid_len);
if (!req_ssid.ssid_len || req_ssid.ssid[0 ] < 0 x20) {
mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n" );
goto ssid_err;
}
rcu_read_unlock();
/* As this is new association, clear locally stored
* keys and security related flags
*/
priv->sec_info.wpa_enabled = false ;
priv->sec_info.wpa2_enabled = false ;
priv->wep_key_curr_index = 0 ;
priv->sec_info.encryption_mode = 0 ;
priv->sec_info.is_authtype_auto = 0 ;
if (mwifiex_set_encode(priv, NULL, NULL, 0 , 0 , NULL, 1 )) {
mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n" );
return -EFAULT;
}
if (req->crypto.n_ciphers_pairwise)
priv->sec_info.encryption_mode =
req->crypto.ciphers_pairwise[0 ];
if (req->crypto.cipher_group)
priv->sec_info.encryption_mode = req->crypto.cipher_group;
if (req->ie)
mwifiex_set_gen_ie(priv, req->ie, req->ie_len);
memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN);
mwifiex_dbg(adapter, MSG,
"assoc: send association to %pM\n" , req->bss->bssid);
cfg80211_ref_bss(adapter->wiphy, req->bss);
ret = mwifiex_bss_start(priv, req->bss, &req_ssid);
if (ret) {
priv->auth_flag = 0 ;
priv->auth_alg = WLAN_AUTH_NONE;
eth_zero_addr(priv->cfg_bssid);
}
if (priv->assoc_rsp_size) {
priv->req_bss = req->bss;
adapter->assoc_resp_received = true ;
queue_work(adapter->host_mlme_workqueue,
&adapter->host_mlme_work);
}
cfg80211_put_bss(priv->adapter->wiphy, req->bss);
return 0 ;
ssid_err:
rcu_read_unlock();
return -EFAULT;
}
static int
mwifiex_cfg80211_deauthenticate(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_deauth_request *req)
{
return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code);
}
static int
mwifiex_cfg80211_disassociate(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_disassoc_request *req)
{
return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code);
}
static int
mwifiex_cfg80211_probe_client(struct wiphy *wiphy,
struct net_device *dev, const u8 *peer,
u64 *cookie)
{
/* hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise,
* it requires monitor - mode support ( which mwifiex doesn ' t support ) .
* Provide fake probe_client support to work around this .
*/
return -EOPNOTSUPP;
}
/* station cfg80211 operations */
static const struct cfg80211_ops mwifiex_cfg80211_ops = {
.add_virtual_intf = mwifiex_add_virtual_intf,
.del_virtual_intf = mwifiex_del_virtual_intf,
.change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
.scan = mwifiex_cfg80211_scan,
.connect = mwifiex_cfg80211_connect,
.disconnect = mwifiex_cfg80211_disconnect,
.get_station = mwifiex_cfg80211_get_station,
.dump_station = mwifiex_cfg80211_dump_station,
.dump_survey = mwifiex_cfg80211_dump_survey,
.set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
.join_ibss = mwifiex_cfg80211_join_ibss,
.leave_ibss = mwifiex_cfg80211_leave_ibss,
.add_key = mwifiex_cfg80211_add_key,
.del_key = mwifiex_cfg80211_del_key,
.set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
.update_mgmt_frame_registrations =
mwifiex_cfg80211_update_mgmt_frame_registrations,
.remain_on_channel = mwifiex_cfg80211_remain_on_channel,
.cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
.set_default_key = mwifiex_cfg80211_set_default_key,
.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
.set_tx_power = mwifiex_cfg80211_set_tx_power,
.get_tx_power = mwifiex_cfg80211_get_tx_power,
.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
.start_ap = mwifiex_cfg80211_start_ap,
.stop_ap = mwifiex_cfg80211_stop_ap,
.change_beacon = mwifiex_cfg80211_change_beacon,
.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
.set_antenna = mwifiex_cfg80211_set_antenna,
.get_antenna = mwifiex_cfg80211_get_antenna,
.del_station = mwifiex_cfg80211_del_station,
.sched_scan_start = mwifiex_cfg80211_sched_scan_start,
.sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
#ifdef CONFIG_PM
.suspend = mwifiex_cfg80211_suspend,
.resume = mwifiex_cfg80211_resume,
.set_wakeup = mwifiex_cfg80211_set_wakeup,
.set_rekey_data = mwifiex_set_rekey_data,
#endif
.set_coalesce = mwifiex_cfg80211_set_coalesce,
.tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
.tdls_oper = mwifiex_cfg80211_tdls_oper,
.tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
.tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
.add_station = mwifiex_cfg80211_add_station,
.change_station = mwifiex_cfg80211_change_station,
CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
.get_channel = mwifiex_cfg80211_get_channel,
.start_radar_detection = mwifiex_cfg80211_start_radar_detection,
.channel_switch = mwifiex_cfg80211_channel_switch,
};
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
WIPHY_WOWLAN_GTK_REKEY_FAILURE,
.n_patterns = MWIFIEX_MEF_MAX_FILTERS,
.pattern_min_len = 1 ,
.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
.max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
};
static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
WIPHY_WOWLAN_NET_DETECT,
.n_patterns = MWIFIEX_MEF_MAX_FILTERS,
.pattern_min_len = 1 ,
.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
.max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
};
#endif
static bool mwifiex_is_valid_alpha2(const char *alpha2)
{
if (!alpha2 || strlen(alpha2) != 2 )
return false ;
if (isalpha(alpha2[0 ]) && isalpha(alpha2[1 ]))
return true ;
return false ;
}
static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
.n_rules = MWIFIEX_COALESCE_MAX_RULES,
.max_delay = MWIFIEX_MAX_COALESCING_DELAY,
.n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
.pattern_min_len = 1 ,
.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
};
int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
{
u32 n_channels_bg, n_channels_a = 0 ;
n_channels_bg = mwifiex_band_2ghz.n_channels;
if (adapter->config_bands & BAND_A)
n_channels_a = mwifiex_band_5ghz.n_channels;
/* allocate twice the number total channels, since the driver issues an
* additional active scan request for hidden SSIDs on passive channels .
*/
adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
adapter->chan_stats = kcalloc(adapter->num_in_chan_stats,
sizeof (*adapter->chan_stats),
GFP_KERNEL);
if (!adapter->chan_stats)
return -ENOMEM;
return 0 ;
}
/*
* This function registers the device with CFG802 . 11 subsystem .
*
* The function creates the wireless device / wiphy , populates it with
* default parameters and handler function pointers , and finally
* registers the device .
*/
int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
{
int ret;
void *wdev_priv;
struct wiphy *wiphy;
struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
const u8 *country_code;
u32 thr, retry;
struct cfg80211_ops *ops;
ops = devm_kmemdup(adapter->dev, &mwifiex_cfg80211_ops,
sizeof (mwifiex_cfg80211_ops), GFP_KERNEL);
if (!ops)
return -ENOMEM;
/* create a new wiphy for use with cfg80211 */
wiphy = wiphy_new(ops, sizeof (struct mwifiex_adapter *));
if (!wiphy) {
mwifiex_dbg(adapter, ERROR,
"%s: creating new wiphy\n" , __func__);
return -ENOMEM;
}
if (adapter->host_mlme_enabled) {
ops->auth = mwifiex_cfg80211_authenticate;
ops->assoc = mwifiex_cfg80211_associate;
ops->deauth = mwifiex_cfg80211_deauthenticate;
ops->disassoc = mwifiex_cfg80211_disassociate;
ops->disconnect = NULL;
ops->connect = NULL;
ops->probe_client = mwifiex_cfg80211_probe_client;
}
wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
if (adapter->host_mlme_enabled) {
memcpy(adapter->mwifiex_mgmt_stypes,
mwifiex_mgmt_stypes,
NUM_NL80211_IFTYPES *
sizeof (struct ieee80211_txrx_stypes));
adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].tx = 0 xffff;
adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].rx =
BIT(IEEE80211_STYPE_ASSOC_REQ >> 4 ) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4 ) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4 ) |
BIT(IEEE80211_STYPE_DISASSOC >> 4 ) |
BIT(IEEE80211_STYPE_AUTH >> 4 ) |
BIT(IEEE80211_STYPE_DEAUTH >> 4 ) |
BIT(IEEE80211_STYPE_ACTION >> 4 );
wiphy->mgmt_stypes = adapter->mwifiex_mgmt_stypes;
} else {
wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
}
wiphy->max_remain_on_channel_duration = 5000 ;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP);
wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES;
if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev,
&mwifiex_band_2ghz,
sizeof (mwifiex_band_2ghz),
GFP_KERNEL);
if (!wiphy->bands[NL80211_BAND_2GHZ]) {
ret = -ENOMEM;
goto err;
}
if (adapter->config_bands & BAND_A) {
wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev,
&mwifiex_band_5ghz,
sizeof (mwifiex_band_5ghz),
GFP_KERNEL);
if (!wiphy->bands[NL80211_BAND_5GHZ]) {
ret = -ENOMEM;
goto err;
}
} else {
wiphy->bands[NL80211_BAND_5GHZ] = NULL;
}
if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
else if (adapter->is_hw_11ac_capable)
wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
else
wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
wiphy->n_iface_combinations = 1 ;
wiphy->max_ap_assoc_sta = max_t(typeof(wiphy->max_ap_assoc_sta),
adapter->max_sta_conn,
adapter->max_p2p_conn);
/* Initialize cipher suits */
wiphy->cipher_suites = mwifiex_cipher_suites;
wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
if (adapter->regd) {
wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
REGULATORY_DISABLE_BEACON_HINTS |
REGULATORY_COUNTRY_IE_IGNORE;
wiphy_apply_custom_regulatory(wiphy, adapter->regd);
}
ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
WIPHY_FLAG_AP_UAPSD |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
WIPHY_FLAG_HAS_CHANNEL_SWITCH |
WIPHY_FLAG_NETNS_OK |
WIPHY_FLAG_PS_ON_BY_DEFAULT;
if (adapter->host_mlme_enabled)
wiphy->flags |= WIPHY_FLAG_REPORTS_OBSS;
else
wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
#ifdef CONFIG_PM
if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
wiphy->wowlan = &mwifiex_wowlan_support;
else
wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
#endif
wiphy->coalesce = &mwifiex_coalesce_support;
wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
wiphy->max_sched_scan_reqs = 1 ;
wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1 ;
wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1 ;
wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
NL80211_FEATURE_LOW_PRIORITY_SCAN |
NL80211_FEATURE_NEED_OBSS_SCAN;
if (adapter->host_mlme_enabled)
wiphy->features |= NL80211_FEATURE_SAE;
if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
wiphy->features |= NL80211_FEATURE_HT_IBSS;
if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
if (adapter->fw_api_ver == MWIFIEX_FW_V15)
wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
/* Reserve space for mwifiex specific private data for BSS */
wiphy->bss_priv_size = sizeof (struct mwifiex_bss_priv);
wiphy->reg_notifier = mwifiex_reg_notifier;
/* Set struct mwifiex_adapter pointer in wiphy_priv */
wdev_priv = wiphy_priv(wiphy);
*(unsigned long *)wdev_priv = (unsigned long )adapter;
set_wiphy_dev(wiphy, priv->adapter->dev);
ret = wiphy_register(wiphy);
if (ret < 0 ) {
mwifiex_dbg(adapter, ERROR,
"%s: wiphy_register failed: %d\n" , __func__, ret);
goto err;
}
if (!adapter->regd) {
if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
mwifiex_dbg(adapter, INFO,
"driver hint alpha2: %2.2s\n" , reg_alpha2);
regulatory_hint(wiphy, reg_alpha2);
} else {
if (adapter->region_code == 0 x00) {
mwifiex_dbg(adapter, WARN,
"Ignore world regulatory domain\n" );
} else {
wiphy->regulatory_flags |=
REGULATORY_DISABLE_BEACON_HINTS |
REGULATORY_COUNTRY_IE_IGNORE;
country_code =
mwifiex_11d_code_2_region(
adapter->region_code);
if (country_code &&
regulatory_hint(wiphy, country_code))
mwifiex_dbg(priv->adapter, ERROR,
"regulatory_hint() failed\n" );
}
}
}
mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true );
wiphy->frag_threshold = thr;
mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true );
wiphy->rts_threshold = thr;
mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true );
wiphy->retry_short = (u8) retry;
mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true );
wiphy->retry_long = (u8) retry;
adapter->wiphy = wiphy;
return ret;
err:
wiphy_free(wiphy);
return ret;
}
Messung V0.5 in Prozent C=98 H=95 G=96
¤ Dauer der Verarbeitung: 0.97 Sekunden
(vorverarbeitet am 2026-10-04)
¤
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