/*
* 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_cfg80211_get_priv(wiphy);
int ret = 0;
if (priv->ibss_join_request)
return -EBUSY;
if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
wiphy_err(wiphy, "request to join ibss received "
"when station is not in ibss mode\n");
goto done;
}
priv->ibss_join_request = -EINPROGRESS;
wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
(char *) params->ssid, params->bssid);
ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
params->bssid, priv->bss_mode,
params->channel, NULL, params->privacy);
priv->ibss_join_request = 1;
done:
priv->ibss_join_result = ret;
queue_work(priv->workqueue, &priv->cfg_workqueue);
return ret;
}
/*
* CFG802.11 operation handler to delete a network key.
*/
static int
mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
u8 key_index, bool pairwise, const u8 *mac_addr)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) {
wiphy_err(wiphy, "deleting the crypto keys\n");
return -EFAULT;
}
wiphy_dbg(wiphy, "info: crypto keys deleted\n");
return 0;
}
/*
* CFG802.11 operation handler to set channel.
*
* This function can only be used when station is not connected.
*/
static int
mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
if (priv->media_connected) {
wiphy_err(wiphy, "This setting is valid only when station "
"is not connected\n");
return -EINVAL;
}
return mwifiex_set_rf_channel(priv, chan, channel_type);
}
/*
* CFG802.11 operation handler to add a network key.
*/
static int
mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
u8 key_index, bool pairwise, const u8 *mac_addr,
struct key_params *params)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
if (mwifiex_set_encode(priv, params->key, params->key_len,
key_index, 0)) {
wiphy_err(wiphy, "crypto keys added\n");
return -EFAULT;
}
return 0;
}
/*
* 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, u32 changed)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
int ret = 0;
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);
return ret;
}
/*
* 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_cfg80211_get_priv(wiphy);
u32 ps_mode;
if (timeout)
wiphy_dbg(wiphy,
"info: ignoring the timeout value"
" for IEEE power save\n");
ps_mode = enabled;
return mwifiex_drv_set_power(priv, &ps_mode);
}
/*
* CFG802.11 operation handler to set Tx power.
*/
static int
mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting type,
int dbm)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
struct mwifiex_power_cfg power_cfg;
if (type == NL80211_TX_POWER_FIXED) {
power_cfg.is_power_auto = 0;
power_cfg.power_level = dbm;
} else {
power_cfg.is_power_auto = 1;
}
return mwifiex_set_tx_power(priv, &power_cfg);
}
/*
* CFG802.11 operation handler to set the default network key.
*/
static int
mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
u8 key_index, bool unicast,
bool multicast)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
/* Return if WEP key not configured */
if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_DISABLED)
return 0;
if (mwifiex_set_encode(priv, NULL, 0, key_index, 0)) {
wiphy_err(wiphy, "set default Tx key index\n");
return -EFAULT;
}
return 0;
}
/*
* 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_cfg80211_get_priv(wiphy);
if (priv->disconnect)
return -EBUSY;
priv->disconnect = 1;
wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
priv->cfg_bssid);
if (mwifiex_deauthenticate(priv, NULL))
return -EFAULT;
queue_work(priv->workqueue, &priv->cfg_workqueue);
return 0;
}
/*
* 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 int mwifiex_reg_notifier(struct wiphy *wiphy,
struct regulatory_request *request)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for domain"
" %c%c\n", request->alpha2[0], request->alpha2[1]);
memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2));
switch (request->initiator) {
case NL80211_REGDOM_SET_BY_DRIVER:
case NL80211_REGDOM_SET_BY_CORE:
case NL80211_REGDOM_SET_BY_USER:
break;
/* Todo: apply driver specific changes in channel flags based
on the request initiator if necessary. */
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
break;
}
mwifiex_send_domain_info_cmd_fw(wiphy);
return 0;
}
/*
* del_virtual_intf: remove the virtual interface determined by dev
*/
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
if (!priv || !dev)
return 0;
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_remove(priv);
#endif
if (!netif_queue_stopped(priv->netdev))
netif_stop_queue(priv->netdev);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (dev->reg_state == NETREG_REGISTERED)
unregister_netdevice(dev);
if (dev->reg_state == NETREG_UNREGISTERED)
free_netdev(dev);
/* Clear the priv in adapter */
priv->netdev = NULL;
priv->media_connected = false;
cancel_work_sync(&priv->cfg_workqueue);
flush_workqueue(priv->workqueue);
destroy_workqueue(priv->workqueue);
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
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)
*/
static 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 ieee80211_band band;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
/* Set country code */
domain_info->country_code[0] = priv->country_code[0];
domain_info->country_code[1] = priv->country_code[1];
domain_info->country_code[2] = ' ';
band = mwifiex_band_to_radio_type(adapter->config_bands);
if (!wiphy->bands[band]) {
wiphy_err(wiphy, "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;
if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
HostCmd_ACT_GEN_SET, 0, NULL)) {
wiphy_err(wiphy, "11D: setting domain info in FW\n");
return -1;
}
return 0;
}
/*
* create a new virtual interface with the given name
*/
struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
struct mwifiex_adapter *adapter;
struct net_device *dev;
void *mdev_priv;
if (!priv)
return NULL;
adapter = priv->adapter;
if (!adapter)
return NULL;
switch (type) {
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
if (priv->bss_mode) {
wiphy_err(wiphy, "cannot create multiple"
" station/adhoc interfaces\n");
return NULL;
}
if (type == NL80211_IFTYPE_UNSPECIFIED)
priv->bss_mode = NL80211_IFTYPE_STATION;
else
priv->bss_mode = type;
priv->bss_type = MWIFIEX_BSS_TYPE_STA;
priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
priv->bss_priority = 0;
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
priv->bss_index = 0;
priv->bss_num = 0;
break;
default:
wiphy_err(wiphy, "type not supported\n");
return NULL;
}
dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
ether_setup, 1);
if (!dev) {
wiphy_err(wiphy, "no memory available for netdevice\n");
goto error;
}
dev_net_set(dev, wiphy_net(wiphy));
dev->ieee80211_ptr = priv->wdev;
dev->ieee80211_ptr->iftype = priv->bss_mode;
memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
mdev_priv = netdev_priv(dev);
*((unsigned long *) mdev_priv) = (unsigned long) priv;
priv->netdev = dev;
mwifiex_init_priv_params(priv, dev);
SET_NETDEV_DEV(dev, adapter->dev);
/* Register network device */
if (register_netdevice(dev)) {
wiphy_err(wiphy, "cannot register virtual network device\n");
goto error;
}
sema_init(&priv->async_sem, 1);
priv->scan_pending_on_block = false;
dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_init(priv);
#endif
return dev;
error:
if (dev && (dev->reg_state == NETREG_UNREGISTERED))
free_netdev(dev);
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
return NULL;
}
