struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
struct net_device *dev;
int err;
IEEE80211_DEBUG_INFO("Initializing...\n");
dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv);
if (!dev) {
IEEE80211_ERROR("Unable to network device.\n");
goto failed;
}
ieee = netdev_priv(dev);
dev->hard_start_xmit = ieee80211_xmit;
dev->change_mtu = ieee80211_change_mtu;
/* Drivers are free to override this if the generic implementation
* does not meet their needs. */
dev->get_stats = ieee80211_generic_get_stats;
ieee->dev = dev;
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", err);
goto failed;
}
ieee80211_networks_initialize(ieee);
/* Default fragmentation threshold is maximum payload size */
ieee->fts = DEFAULT_FTS;
ieee->rts = DEFAULT_FTS;
ieee->scan_age = DEFAULT_MAX_SCAN_AGE;
ieee->open_wep = 1;
/* Default to enabling full open WEP with host based encrypt/decrypt */
ieee->host_encrypt = 1;
ieee->host_decrypt = 1;
ieee->host_mc_decrypt = 1;
/* Host fragementation in Open mode. Default is enabled.
* Note: host fragmentation is always enabled if host encryption
* is enabled. For cards can do hardware encryption, they must do
* hardware fragmentation as well. So we don't need a variable
* like host_enc_frag. */
ieee->host_open_frag = 1;
ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
INIT_LIST_HEAD(&ieee->crypt_deinit_list);
setup_timer(&ieee->crypt_deinit_timer, ieee80211_crypt_deinit_handler,
(unsigned long)ieee);
ieee->crypt_quiesced = 0;
spin_lock_init(&ieee->lock);
ieee->wpa_enabled = 0;
ieee->drop_unencrypted = 0;
ieee->privacy_invoked = 0;
return dev;
failed:
if (dev)
free_netdev(dev);
return NULL;
}
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
struct net_device *dev;
int i,err;
IEEE80211_DEBUG_INFO("Initializing...\n");
dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv);
if (!dev) {
IEEE80211_ERROR("Unable to network device.\n");
goto failed;
}
ieee = netdev_priv(dev);
memset(ieee, 0, sizeof(struct ieee80211_device)+sizeof_priv);
ieee->dev = dev;
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n",
err);
goto failed;
}
ieee80211_networks_initialize(ieee);
/* Default fragmentation threshold is maximum payload size */
ieee->fts = DEFAULT_FTS;
ieee->scan_age = DEFAULT_MAX_SCAN_AGE;
ieee->open_wep = 1;
/* Default to enabling full open WEP with host based encrypt/decrypt */
ieee->host_encrypt = 1;
ieee->host_decrypt = 1;
ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
INIT_LIST_HEAD(&ieee->crypt_deinit_list);
init_timer(&ieee->crypt_deinit_timer);
ieee->crypt_deinit_timer.data = (unsigned long)ieee;
ieee->crypt_deinit_timer.function = ieee80211_crypt_deinit_handler;
spin_lock_init(&ieee->lock);
spin_lock_init(&ieee->wpax_suitlist_lock);
spin_lock_init(&ieee->bw_spinlock);
spin_lock_init(&ieee->reorder_spinlock);
atomic_set(&(ieee->atm_chnlop), 0);
atomic_set(&(ieee->atm_swbw), 0);
ieee->wpax_type_set = 0;
ieee->wpa_enabled = 0;
ieee->tkip_countermeasures = 0;
ieee->drop_unencrypted = 0;
ieee->privacy_invoked = 0;
ieee->ieee802_1x = 1;
ieee->raw_tx = 0;
ieee->hwsec_active = 0; //disable hwsec, switch it on when necessary.
ieee80211_softmac_init(ieee);
ieee->pHTInfo = kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
if (ieee->pHTInfo == NULL)
{
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
return NULL;
}
HTUpdateDefaultSetting(ieee);
HTInitializeHTInfo(ieee); //may move to other place.
TSInitialize(ieee);
for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++)
INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]);
for (i = 0; i < 17; i++) {
ieee->last_rxseq_num[i] = -1;
ieee->last_rxfrag_num[i] = -1;
ieee->last_packet_time[i] = 0;
}
//These function were added to load crypte module autoly
ieee80211_tkip_null();
ieee80211_wep_null();
ieee80211_ccmp_null();
return dev;
failed:
if (dev)
free_netdev(dev);
return NULL;
}
