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path: root/package/d80211/src/ieee80211_iface.c
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Diffstat (limited to 'package/d80211/src/ieee80211_iface.c')
-rw-r--r--package/d80211/src/ieee80211_iface.c372
1 files changed, 0 insertions, 372 deletions
diff --git a/package/d80211/src/ieee80211_iface.c b/package/d80211/src/ieee80211_iface.c
deleted file mode 100644
index 3b2d259..0000000
--- a/package/d80211/src/ieee80211_iface.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005-2006, Devicescape Software, Inc.
- * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/kernel.h>
-#include <linux/if_arp.h>
-#include <linux/netdevice.h>
-#include <linux/rtnetlink.h>
-#include <net/d80211.h>
-#include "ieee80211_i.h"
-#include "sta_info.h"
-
-void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
-{
- int i;
-
- /* Default values for sub-interface parameters */
- sdata->drop_unencrypted = 0;
- sdata->eapol = 1;
- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
- skb_queue_head_init(&sdata->fragments[i].skb_list);
-}
-
-static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
-{
- int i;
-
- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
- __skb_queue_purge(&sdata->fragments[i].skb_list);
- }
-}
-
-/* Must be called with rtnl lock held. */
-int ieee80211_if_add(struct net_device *dev, const char *name,
- int format, struct net_device **new_dev)
-{
- struct net_device *ndev, *tmp_dev;
- struct ieee80211_local *local = dev->ieee80211_ptr;
- struct ieee80211_sub_if_data *sdata = NULL;
- int ret;
- int i;
-
- ASSERT_RTNL();
- ndev = *new_dev = alloc_netdev(sizeof(struct ieee80211_sub_if_data),
- "", ieee80211_if_setup);
- if (!ndev)
- return -ENOMEM;
-
- ndev->ieee80211_ptr = local;
- if (strlen(name) == 0) {
- i = 0;
- do {
- snprintf(ndev->name, sizeof(ndev->name), "%s.%d",
- dev->name, i++);
- tmp_dev = dev_get_by_name(ndev->name);
- if (!tmp_dev)
- break;
- dev_put(tmp_dev);
- } while (i < 10000);
- } else if (format) {
- ret = dev_alloc_name(ndev, name);
- if (ret < 0)
- goto fail;
- } else {
- snprintf(ndev->name, IFNAMSIZ, "%s", name);
- }
-
- memcpy(ndev->dev_addr, local->hw.perm_addr, ETH_ALEN);
- ndev->base_addr = dev->base_addr;
- ndev->irq = dev->irq;
- ndev->mem_start = dev->mem_start;
- ndev->mem_end = dev->mem_end;
- ndev->flags = dev->flags & IFF_MULTICAST;
- SET_NETDEV_DEV(ndev, local->hw.dev);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
- sdata->type = IEEE80211_IF_TYPE_AP;
- sdata->dev = ndev;
- sdata->local = local;
- ieee80211_if_sdata_init(sdata);
-
- ret = register_netdevice(ndev);
- if (ret)
- goto fail;
- ret = ieee80211_sysfs_add_netdevice(ndev);
- if (ret) {
- /* ndev will be freed by ndev->destructor */
- unregister_netdevice(ndev);
- *new_dev = NULL;
- return ret;
- }
-
- list_add(&sdata->list, &local->sub_if_list);
- ieee80211_update_default_wep_only(local);
-
- return 0;
-
-fail:
- free_netdev(ndev);
- *new_dev = NULL;
- return ret;
-}
-
-int ieee80211_if_add_mgmt(struct ieee80211_local *local)
-{
- struct net_device *ndev;
- struct ieee80211_sub_if_data *nsdata;
- int ret;
-
- ASSERT_RTNL();
-
- ndev = alloc_netdev(sizeof(struct ieee80211_sub_if_data), "",
- ieee80211_if_mgmt_setup);
- if (!ndev)
- return -ENOMEM;
- ret = dev_alloc_name(ndev, "wmgmt%d");
- if (ret < 0)
- goto fail;
-
- ndev->ieee80211_ptr = local;
- memcpy(ndev->dev_addr, local->hw.perm_addr, ETH_ALEN);
- SET_NETDEV_DEV(ndev, local->hw.dev);
-
- nsdata = IEEE80211_DEV_TO_SUB_IF(ndev);
- nsdata->type = IEEE80211_IF_TYPE_MGMT;
- nsdata->dev = ndev;
- nsdata->local = local;
- ieee80211_if_sdata_init(nsdata);
-
- ret = register_netdevice(ndev);
- if (ret)
- goto fail;
- ret = ieee80211_sysfs_add_netdevice(ndev);
- if (ret)
- goto fail_sysfs;
- if (local->open_count > 0)
- dev_open(ndev);
- local->apdev = ndev;
- return 0;
-
-fail_sysfs:
- unregister_netdevice(ndev);
-fail:
- free_netdev(ndev);
- return ret;
-}
-
-void ieee80211_if_del_mgmt(struct ieee80211_local *local)
-{
- struct net_device *apdev;
-
- ASSERT_RTNL();
- apdev = local->apdev;
- ieee80211_sysfs_remove_netdevice(apdev);
- local->apdev = NULL;
- unregister_netdevice(apdev);
-}
-
-void ieee80211_if_set_type(struct net_device *dev, int type)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = dev->ieee80211_ptr;
-
- sdata->type = type;
- switch (type) {
- case IEEE80211_IF_TYPE_WDS:
- sdata->bss = NULL;
- break;
- case IEEE80211_IF_TYPE_VLAN:
- break;
- case IEEE80211_IF_TYPE_AP:
- sdata->u.ap.dtim_period = 2;
- sdata->u.ap.force_unicast_rateidx = -1;
- sdata->u.ap.max_ratectrl_rateidx = -1;
- skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
- sdata->bss = &sdata->u.ap;
- break;
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS: {
- struct ieee80211_sub_if_data *msdata;
- struct ieee80211_if_sta *ifsta;
-
- ifsta = &sdata->u.sta;
- INIT_DELAYED_WORK(&ifsta->work, ieee80211_sta_work);
-
- ifsta->capab = WLAN_CAPABILITY_ESS;
- ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
- IEEE80211_AUTH_ALG_SHARED_KEY;
- ifsta->create_ibss = 1;
- ifsta->wmm_enabled = 1;
-
- msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
- sdata->bss = &msdata->u.ap;
- break;
- }
- case IEEE80211_IF_TYPE_MNTR:
- dev->type = ARPHRD_IEEE80211_PRISM;
- break;
- default:
- printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x",
- dev->name, __FUNCTION__, type);
- }
- ieee80211_sysfs_change_if_type(dev);
- ieee80211_update_default_wep_only(local);
-}
-
-/* Must be called with rtnl lock held. */
-void ieee80211_if_reinit(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->ieee80211_ptr;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct sta_info *sta;
- int i;
-
- ASSERT_RTNL();
- ieee80211_if_sdata_deinit(sdata);
- for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- if (!sdata->keys[i])
- continue;
-#if 0
- /* The interface is down at the moment, so there is not
- * really much point in disabling the keys at this point. */
- memset(addr, 0xff, ETH_ALEN);
- if (local->ops->set_key)
- local->ops->set_key(local_to_hw(local), DISABLE_KEY, addr,
- local->keys[i], 0);
-#endif
- ieee80211_key_free(sdata->keys[i]);
- sdata->keys[i] = NULL;
- }
-
- switch (sdata->type) {
- case IEEE80211_IF_TYPE_AP: {
- /* Remove all virtual interfaces that use this BSS
- * as their sdata->bss */
- struct ieee80211_sub_if_data *tsdata, *n;
-
- list_for_each_entry_safe(tsdata, n, &local->sub_if_list, list) {
- if (tsdata != sdata && tsdata->bss == &sdata->u.ap) {
- printk(KERN_DEBUG "%s: removing virtual "
- "interface %s because its BSS interface"
- " is being removed\n",
- sdata->dev->name, tsdata->dev->name);
- __ieee80211_if_del(local, tsdata);
- }
- }
-
- kfree(sdata->u.ap.beacon_head);
- kfree(sdata->u.ap.beacon_tail);
- kfree(sdata->u.ap.generic_elem);
-
- if (dev != local->mdev) {
- struct sk_buff *skb;
- while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
- local->total_ps_buffered--;
- dev_kfree_skb(skb);
- }
- }
-
- break;
- }
- case IEEE80211_IF_TYPE_WDS:
- sta = sta_info_get(local, sdata->u.wds.remote_addr);
- if (sta) {
- sta_info_put(sta);
- sta_info_free(sta, 0);
- } else {
-#ifdef CONFIG_D80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Someone had deleted my STA "
- "entry for the WDS link\n", dev->name);
-#endif /* CONFIG_D80211_VERBOSE_DEBUG */
- }
- break;
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- kfree(sdata->u.sta.extra_ie);
- sdata->u.sta.extra_ie = NULL;
- kfree(sdata->u.sta.assocreq_ies);
- sdata->u.sta.assocreq_ies = NULL;
- kfree(sdata->u.sta.assocresp_ies);
- sdata->u.sta.assocresp_ies = NULL;
- if (sdata->u.sta.probe_resp) {
- dev_kfree_skb(sdata->u.sta.probe_resp);
- sdata->u.sta.probe_resp = NULL;
- }
-
- break;
- case IEEE80211_IF_TYPE_MNTR:
- dev->type = ARPHRD_ETHER;
- break;
- }
-
- /* remove all STAs that are bound to this virtual interface */
- sta_info_flush(local, dev);
-
- memset(&sdata->u, 0, sizeof(sdata->u));
- ieee80211_if_sdata_init(sdata);
-}
-
-/* Must be called with rtnl lock held. */
-void __ieee80211_if_del(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata)
-{
- struct net_device *dev = sdata->dev;
-
- list_del(&sdata->list);
- ieee80211_sysfs_remove_netdevice(dev);
- unregister_netdevice(dev);
- /* Except master interface, the net_device will be freed by
- * net_device->destructor (i. e. ieee80211_if_free). */
-}
-
-/* Must be called with rtnl lock held. */
-int ieee80211_if_remove(struct net_device *dev, const char *name, int id)
-{
- struct ieee80211_local *local = dev->ieee80211_ptr;
- struct ieee80211_sub_if_data *sdata, *n;
-
- ASSERT_RTNL();
-
- list_for_each_entry_safe(sdata, n, &local->sub_if_list, list) {
- if ((sdata->type == id || id == -1) &&
- strcmp(name, sdata->dev->name) == 0 &&
- sdata->dev != local->mdev) {
- __ieee80211_if_del(local, sdata);
- ieee80211_update_default_wep_only(local);
- return 0;
- }
- }
- return -ENODEV;
-}
-
-void ieee80211_if_free(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->ieee80211_ptr;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /* local->apdev must be NULL when freeing management interface */
- BUG_ON(dev == local->apdev);
- ieee80211_if_sdata_deinit(sdata);
- free_netdev(dev);
-}
-
-/* Must be called with rtnl lock held. */
-void ieee80211_if_flush(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->ieee80211_ptr;
- struct ieee80211_sub_if_data *sdata, *n;
-
- ASSERT_RTNL();
- list_for_each_entry_safe(sdata, n, &local->sub_if_list, list) {
- __ieee80211_if_del(local, sdata);
- }
-}
-
-void ieee80211_if_del(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->ieee80211_ptr;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- rtnl_lock();
- if (sdata->type == IEEE80211_IF_TYPE_MGMT)
- ieee80211_if_del_mgmt(local);
- else
- __ieee80211_if_del(local, sdata);
- rtnl_unlock();
-}