// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright(c) 2004 Intel Corporation. All rights reserved.
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*
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* Portions of this file are based on the WEP enablement code provided by the
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* Host AP project hostap-drivers v0.1.3
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* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
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* <jkmaline@cc.hut.fi>
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* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
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*
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* Contact Information:
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* James P. Ketrenos <ipw2100-admin@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#include <linux/compiler.h>
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#include <linux/errno.h>
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#include <linux/if_arp.h>
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#include <linux/in6.h>
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#include <linux/in.h>
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#include <linux/ip.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/pci.h>
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#include <linux/proc_fs.h>
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#include <linux/skbuff.h>
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#include <linux/slab.h>
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#include <linux/tcp.h>
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#include <linux/types.h>
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#include <linux/wireless.h>
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#include <linux/etherdevice.h>
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#include <linux/uaccess.h>
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#include <net/arp.h>
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#include "rtllib.h"
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u32 rt_global_debug_component = COMP_ERR;
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EXPORT_SYMBOL(rt_global_debug_component);
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static inline int rtllib_networks_allocate(struct rtllib_device *ieee)
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{
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if (ieee->networks)
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return 0;
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ieee->networks = kcalloc(MAX_NETWORK_COUNT,
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sizeof(struct rtllib_network), GFP_KERNEL);
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if (!ieee->networks)
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return -ENOMEM;
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return 0;
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}
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static inline void rtllib_networks_free(struct rtllib_device *ieee)
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{
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if (!ieee->networks)
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return;
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kfree(ieee->networks);
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ieee->networks = NULL;
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}
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static inline void rtllib_networks_initialize(struct rtllib_device *ieee)
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{
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int i;
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INIT_LIST_HEAD(&ieee->network_free_list);
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INIT_LIST_HEAD(&ieee->network_list);
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for (i = 0; i < MAX_NETWORK_COUNT; i++)
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list_add_tail(&ieee->networks[i].list,
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&ieee->network_free_list);
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}
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struct net_device *alloc_rtllib(int sizeof_priv)
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{
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struct rtllib_device *ieee = NULL;
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struct net_device *dev;
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int i, err;
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pr_debug("rtllib: Initializing...\n");
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dev = alloc_etherdev(sizeof(struct rtllib_device) + sizeof_priv);
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if (!dev) {
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pr_err("Unable to allocate net_device.\n");
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return NULL;
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}
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ieee = (struct rtllib_device *)netdev_priv_rsl(dev);
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ieee->dev = dev;
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err = rtllib_networks_allocate(ieee);
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if (err) {
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pr_err("Unable to allocate beacon storage: %d\n", err);
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goto free_netdev;
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}
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rtllib_networks_initialize(ieee);
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/* Default fragmentation threshold is maximum payload size */
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ieee->fts = DEFAULT_FTS;
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ieee->scan_age = DEFAULT_MAX_SCAN_AGE;
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ieee->open_wep = 1;
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/* Default to enabling full open WEP with host based encrypt/decrypt */
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ieee->host_encrypt = 1;
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ieee->host_decrypt = 1;
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ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
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ieee->rtllib_ap_sec_type = rtllib_ap_sec_type;
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spin_lock_init(&ieee->lock);
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spin_lock_init(&ieee->wpax_suitlist_lock);
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spin_lock_init(&ieee->reorder_spinlock);
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atomic_set(&(ieee->atm_swbw), 0);
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/* SAM FIXME */
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lib80211_crypt_info_init(&ieee->crypt_info, "RTLLIB", &ieee->lock);
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ieee->wpa_enabled = 0;
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ieee->tkip_countermeasures = 0;
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ieee->drop_unencrypted = 0;
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ieee->privacy_invoked = 0;
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ieee->ieee802_1x = 1;
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ieee->raw_tx = 0;
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ieee->hwsec_active = 0;
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memset(ieee->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
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err = rtllib_softmac_init(ieee);
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if (err)
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goto free_crypt_info;
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ieee->pHTInfo = kzalloc(sizeof(struct rt_hi_throughput), GFP_KERNEL);
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if (!ieee->pHTInfo)
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goto free_softmac;
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HTUpdateDefaultSetting(ieee);
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HTInitializeHTInfo(ieee);
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TSInitialize(ieee);
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for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++)
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INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]);
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for (i = 0; i < 17; i++) {
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ieee->last_rxseq_num[i] = -1;
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ieee->last_rxfrag_num[i] = -1;
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ieee->last_packet_time[i] = 0;
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}
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return dev;
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free_softmac:
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rtllib_softmac_free(ieee);
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free_crypt_info:
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lib80211_crypt_info_free(&ieee->crypt_info);
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rtllib_networks_free(ieee);
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free_netdev:
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free_netdev(dev);
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return NULL;
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}
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EXPORT_SYMBOL(alloc_rtllib);
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void free_rtllib(struct net_device *dev)
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{
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struct rtllib_device *ieee = (struct rtllib_device *)
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netdev_priv_rsl(dev);
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kfree(ieee->pHTInfo);
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ieee->pHTInfo = NULL;
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rtllib_softmac_free(ieee);
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lib80211_crypt_info_free(&ieee->crypt_info);
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rtllib_networks_free(ieee);
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free_netdev(dev);
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}
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EXPORT_SYMBOL(free_rtllib);
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static int __init rtllib_init(void)
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{
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return 0;
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}
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static void __exit rtllib_exit(void)
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{
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}
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module_init(rtllib_init);
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module_exit(rtllib_exit);
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MODULE_LICENSE("GPL");
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