diff options
Diffstat (limited to 'package/d80211/src/ieee80211_iface.c')
-rw-r--r-- | package/d80211/src/ieee80211_iface.c | 372 |
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(); -} |