diff options
| -rw-r--r-- | net/mac80211/cfg.c | 24 | ||||
| -rw-r--r-- | net/mac80211/debugfs.c | 15 | ||||
| -rw-r--r-- | net/mac80211/debugfs_netdev.c | 14 | ||||
| -rw-r--r-- | net/mac80211/debugfs_netdev.h | 5 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 21 | ||||
| -rw-r--r-- | net/mac80211/iface.c | 337 | ||||
| -rw-r--r-- | net/mac80211/main.c | 18 | ||||
| -rw-r--r-- | net/mac80211/wext.c | 3 |
8 files changed, 172 insertions, 265 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 3c95cd9bf8e..6aa49ad172a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -50,9 +50,6 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name, struct ieee80211_sub_if_data *sdata; int err; - if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) - return -ENODEV; - itype = nl80211_type_to_mac80211_type(type); if (itype == IEEE80211_IF_TYPE_INVALID) return -EINVAL; @@ -68,35 +65,26 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name, static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) { - struct ieee80211_local *local = wiphy_priv(wiphy); struct net_device *dev; - char *name; - - if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) - return -ENODEV; /* we're under RTNL */ dev = __dev_get_by_index(&init_net, ifindex); if (!dev) - return 0; + return -ENODEV; - name = dev->name; + ieee80211_if_remove(dev); - return ieee80211_if_remove(local->mdev, name, -1); + return 0; } static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { - struct ieee80211_local *local = wiphy_priv(wiphy); struct net_device *dev; enum ieee80211_if_types itype; struct ieee80211_sub_if_data *sdata; - if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) - return -ENODEV; - /* we're under RTNL */ dev = __dev_get_by_index(&init_net, ifindex); if (!dev) @@ -111,11 +99,7 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) - return -EOPNOTSUPP; - - ieee80211_if_reinit(dev); - ieee80211_if_set_type(dev, itype); + ieee80211_if_change_type(sdata, itype); if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) ieee80211_if_sta_set_mesh_id(&sdata->u.sta, diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index d20d90eead1..ee509f1109e 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -70,16 +70,6 @@ DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s", /* statistics stuff */ -static inline int rtnl_lock_local(struct ieee80211_local *local) -{ - rtnl_lock(); - if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) { - rtnl_unlock(); - return -ENODEV; - } - return 0; -} - #define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \ DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value) @@ -96,10 +86,7 @@ static ssize_t format_devstat_counter(struct ieee80211_local *local, if (!local->ops->get_stats) return -EOPNOTSUPP; - res = rtnl_lock_local(local); - if (res) - return res; - + rtnl_lock(); res = local->ops->get_stats(local_to_hw(local), &stats); rtnl_unlock(); if (!res) diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 4aa6621f997..475f89a8aee 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -476,12 +476,12 @@ static void del_mesh_config(struct ieee80211_sub_if_data *sdata) } #endif -static void del_files(struct ieee80211_sub_if_data *sdata, int type) +static void del_files(struct ieee80211_sub_if_data *sdata) { if (!sdata->debugfsdir) return; - switch (type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_MESH_POINT: #ifdef CONFIG_MAC80211_MESH del_mesh_stats(sdata); @@ -521,22 +521,16 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) sprintf(buf, "netdev:%s", sdata->dev->name); sdata->debugfsdir = debugfs_create_dir(buf, sdata->local->hw.wiphy->debugfsdir); + add_files(sdata); } void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) { - del_files(sdata, sdata->vif.type); + del_files(sdata); debugfs_remove(sdata->debugfsdir); sdata->debugfsdir = NULL; } -void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata, - int oldtype) -{ - del_files(sdata, oldtype); - add_files(sdata); -} - static int netdev_notify(struct notifier_block *nb, unsigned long state, void *ndev) diff --git a/net/mac80211/debugfs_netdev.h b/net/mac80211/debugfs_netdev.h index a690071fde8..7af731f0b73 100644 --- a/net/mac80211/debugfs_netdev.h +++ b/net/mac80211/debugfs_netdev.h @@ -6,8 +6,6 @@ #ifdef CONFIG_MAC80211_DEBUGFS void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata); void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata); -void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata, - int oldtype); void ieee80211_debugfs_netdev_init(void); void ieee80211_debugfs_netdev_exit(void); #else @@ -17,9 +15,6 @@ static inline void ieee80211_debugfs_add_netdev( static inline void ieee80211_debugfs_remove_netdev( struct ieee80211_sub_if_data *sdata) {} -static inline void ieee80211_debugfs_change_if_type( - struct ieee80211_sub_if_data *sdata, int oldtype) -{} static inline void ieee80211_debugfs_netdev_init(void) {} diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 1b1fc53dad3..35bcdfef904 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -558,12 +558,6 @@ struct ieee80211_local { bool tim_in_locked_section; /* see ieee80211_beacon_get() */ int tx_headroom; /* required headroom for hardware/radiotap */ - enum { - IEEE80211_DEV_UNINITIALIZED = 0, - IEEE80211_DEV_REGISTERED, - IEEE80211_DEV_UNREGISTERED, - } reg_state; - /* Tasklet and skb queue to process calls from IRQ mode. All frames * added to skb_queue will be processed, but frames in * skb_queue_unreliable may be dropped if the total length of these @@ -863,7 +857,6 @@ int ieee80211_hw_config(struct ieee80211_local *local); int ieee80211_if_config(struct net_device *dev); int ieee80211_if_config_beacon(struct net_device *dev); void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); -void ieee80211_if_setup(struct net_device *dev); u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, struct ieee80211_ht_info *req_ht_cap, struct ieee80211_ht_bss_info *req_bss_cap); @@ -933,16 +926,14 @@ static inline void ieee80211_start_mesh(struct net_device *dev) #endif /* interface handling */ +void ieee80211_if_setup(struct net_device *dev); int ieee80211_if_add(struct ieee80211_local *local, const char *name, - struct net_device **new_dev, int type, + struct net_device **new_dev, enum ieee80211_if_types type, struct vif_params *params); -void ieee80211_if_set_type(struct net_device *dev, int type); -void ieee80211_if_reinit(struct net_device *dev); -void __ieee80211_if_del(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata); -int ieee80211_if_remove(struct net_device *dev, const char *name, int id); -void ieee80211_if_free(struct net_device *dev); -void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); +void ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, + enum ieee80211_if_types type); +void ieee80211_if_remove(struct net_device *dev); +void ieee80211_remove_interfaces(struct ieee80211_local *local); /* tx handling */ void ieee80211_clear_tx_pending(struct ieee80211_local *local); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index f2aefd4b863..6cf121bebd7 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -2,6 +2,7 @@ * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2005-2006, Devicescape Software, Inc. * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> + * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> * * 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 @@ -17,39 +18,149 @@ #include "debugfs_netdev.h" #include "mesh.h" -void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata) +/* + * Called when the netdev is removed or, by the code below, before + * the interface type changes. + */ +static void ieee80211_teardown_sdata(struct net_device *dev) { + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct beacon_data *beacon; + struct sk_buff *skb; + int flushed; int i; - /* Default values for sub-interface parameters */ - sdata->drop_unencrypted = 0; + ieee80211_debugfs_remove_netdev(sdata); + + /* free extra data */ + ieee80211_free_keys(sdata); + for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) - skb_queue_head_init(&sdata->fragments[i].skb_list); + __skb_queue_purge(&sdata->fragments[i].skb_list); + sdata->fragment_next = 0; - INIT_LIST_HEAD(&sdata->key_list); + switch (sdata->vif.type) { + case IEEE80211_IF_TYPE_AP: + beacon = sdata->u.ap.beacon; + rcu_assign_pointer(sdata->u.ap.beacon, NULL); + synchronize_rcu(); + kfree(beacon); - sdata->force_unicast_rateidx = -1; - sdata->max_ratectrl_rateidx = -1; + while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) { + local->total_ps_buffered--; + dev_kfree_skb(skb); + } + + break; + case IEEE80211_IF_TYPE_MESH_POINT: + /* Allow compiler to elide mesh_rmc_free call. */ + if (ieee80211_vif_is_mesh(&sdata->vif)) + mesh_rmc_free(dev); + /* fall through */ + case IEEE80211_IF_TYPE_STA: + case IEEE80211_IF_TYPE_IBSS: + kfree(sdata->u.sta.extra_ie); + kfree(sdata->u.sta.assocreq_ies); + kfree(sdata->u.sta.assocresp_ies); + kfree_skb(sdata->u.sta.probe_resp); + break; + case IEEE80211_IF_TYPE_WDS: + case IEEE80211_IF_TYPE_VLAN: + case IEEE80211_IF_TYPE_MNTR: + break; + case IEEE80211_IF_TYPE_INVALID: + BUG(); + break; + } + + flushed = sta_info_flush(local, sdata); + WARN_ON(flushed); } -static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata) +/* + * Helper function to initialise an interface to a specific type. + */ +static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, + enum ieee80211_if_types type) { - int i; + struct ieee80211_if_sta *ifsta; - for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) - __skb_queue_purge(&sdata->fragments[i].skb_list); + /* clear type-dependent union */ + memset(&sdata->u, 0, sizeof(sdata->u)); + + /* and set some type-dependent values */ + sdata->vif.type = type; + + /* only monitor differs */ + sdata->dev->type = ARPHRD_ETHER; + + switch (type) { + case IEEE80211_IF_TYPE_AP: + skb_queue_head_init(&sdata->u.ap.ps_bc_buf); + INIT_LIST_HEAD(&sdata->u.ap.vlans); + break; + case IEEE80211_IF_TYPE_MESH_POINT: + case IEEE80211_IF_TYPE_STA: + case IEEE80211_IF_TYPE_IBSS: + ifsta = &sdata->u.sta; + INIT_WORK(&ifsta->work, ieee80211_sta_work); + setup_timer(&ifsta->timer, ieee80211_sta_timer, + (unsigned long) sdata); + skb_queue_head_init(&ifsta->skb_queue); + + ifsta->capab = WLAN_CAPABILITY_ESS; + ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN | + IEEE80211_AUTH_ALG_SHARED_KEY; + ifsta->flags |= IEEE80211_STA_CREATE_IBSS | + IEEE80211_STA_AUTO_BSSID_SEL | + IEEE80211_STA_AUTO_CHANNEL_SEL; + if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4) + ifsta->flags |= IEEE80211_STA_WMM_ENABLED; + + if (ieee80211_vif_is_mesh(&sdata->vif)) + ieee80211_mesh_init_sdata(sdata); + break; + case IEEE80211_IF_TYPE_MNTR: + sdata->dev->type = ARPHRD_IEEE80211_RADIOTAP; + sdata->dev->hard_start_xmit = ieee80211_monitor_start_xmit; + sdata->u.mntr_flags = MONITOR_FLAG_CONTROL | + MONITOR_FLAG_OTHER_BSS; + break; + case IEEE80211_IF_TYPE_WDS: + case IEEE80211_IF_TYPE_VLAN: + break; + case IEEE80211_IF_TYPE_INVALID: + BUG(); + break; + } + + ieee80211_debugfs_add_netdev(sdata); +} + +void ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, + enum ieee80211_if_types type) +{ + /* Purge and reset type-dependent state. */ + ieee80211_teardown_sdata(sdata->dev); + ieee80211_setup_sdata(sdata, type); + + /* reset some values that shouldn't be kept across type changes */ + sdata->basic_rates = 0; + sdata->drop_unencrypted = 0; + sdata->sequence = 0; } -/* Must be called with rtnl lock held. */ int ieee80211_if_add(struct ieee80211_local *local, const char *name, - struct net_device **new_dev, int type, + struct net_device **new_dev, enum ieee80211_if_types type, struct vif_params *params) { struct net_device *ndev; struct ieee80211_sub_if_data *sdata = NULL; - int ret; + int ret, i; ASSERT_RTNL(); + ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, name, ieee80211_if_setup); if (!ndev) @@ -74,18 +185,28 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, /* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */ sdata = netdev_priv(ndev); ndev->ieee80211_ptr = &sdata->wdev; + + /* initialise type-independent data */ sdata->wdev.wiphy = local->hw.wiphy; - sdata->vif.type = IEEE80211_IF_TYPE_AP; - sdata->dev = ndev; sdata->local = local; - ieee80211_if_sdata_init(sdata); + sdata->dev = ndev; + + for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) + skb_queue_head_init(&sdata->fragments[i].skb_list); + + INIT_LIST_HEAD(&sdata->key_list); + + sdata->force_unicast_rateidx = -1; + sdata->max_ratectrl_rateidx = -1; + + /* setup type-dependent data */ + ieee80211_setup_sdata(sdata, type); ret = register_netdevice(ndev); if (ret) goto fail; - ieee80211_debugfs_add_netdev(sdata); - ieee80211_if_set_type(ndev, type); + ndev->uninit = ieee80211_teardown_sdata; if (ieee80211_vif_is_mesh(&sdata->vif) && params && params->mesh_id_len) @@ -93,11 +214,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, params->mesh_id_len, params->mesh_id); - /* we're under RTNL so all this is fine */ - if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) { - __ieee80211_if_del(local, sdata); - return -ENODEV; - } list_add_tail_rcu(&sdata->list, &local->interfaces); if (new_dev) @@ -105,181 +221,34 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, return 0; -fail: + fail: free_netdev(ndev); return ret; } -void ieee80211_if_set_type(struct net_device *dev, int type) +void ieee80211_if_remove(struct net_device *dev) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - int oldtype = sdata->vif.type; - - /* - * Called even when register_netdevice fails, it would - * oops if assigned before initialising the rest. - */ - dev->uninit = ieee80211_if_reinit; - - /* most have no BSS pointer */ - sdata->bss = NULL; - sdata->vif.type = type; - - sdata->basic_rates = 0; - - switch (type) { - case IEEE80211_IF_TYPE_WDS: - case IEEE80211_IF_TYPE_VLAN: - /* nothing special */ - break; - case IEEE80211_IF_TYPE_AP: - skb_queue_head_init(&sdata->u.ap.ps_bc_buf); - INIT_LIST_HEAD(&sdata->u.ap.vlans); - break; - case IEEE80211_IF_TYPE_MESH_POINT: - case IEEE80211_IF_TYPE_STA: - case IEEE80211_IF_TYPE_IBSS: { - struct ieee80211_if_sta *ifsta; - - ifsta = &sdata->u.sta; - INIT_WORK(&ifsta->work, ieee80211_sta_work); - setup_timer(&ifsta->timer, ieee80211_sta_timer, - (unsigned long) sdata); - skb_queue_head_init(&ifsta->skb_queue); - - ifsta->capab = WLAN_CAPABILITY_ESS; - ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN | - IEEE80211_AUTH_ALG_SHARED_KEY; - ifsta->flags |= IEEE80211_STA_CREATE_IBSS | - IEEE80211_STA_AUTO_BSSID_SEL | - IEEE80211_STA_AUTO_CHANNEL_SEL; - if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4) - ifsta->flags |= IEEE80211_STA_WMM_ENABLED; - - if (ieee80211_vif_is_mesh(&sdata->vif)) - ieee80211_mesh_init_sdata(sdata); - break; - } - case IEEE80211_IF_TYPE_MNTR: - dev->type = ARPHRD_IEEE80211_RADIOTAP; - dev->hard_start_xmit = ieee80211_monitor_start_xmit; - sdata->u.mntr_flags = MONITOR_FLAG_CONTROL | - MONITOR_FLAG_OTHER_BSS; - break; - case IEEE80211_IF_TYPE_INVALID: - BUG(); - break; - } - ieee80211_debugfs_change_if_type(sdata, oldtype); -} - -/* Must be called with rtnl lock held. */ -void ieee80211_if_reinit(struct net_device *dev) -{ - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct sk_buff *skb; - int flushed; ASSERT_RTNL(); - ieee80211_free_keys(sdata); - - ieee80211_if_sdata_deinit(sdata); - - /* Need to handle mesh specially to allow eliding the function call */ - if (ieee80211_vif_is_mesh(&sdata->vif)) - mesh_rmc_free(dev); - - switch (sdata->vif.type) { - case IEEE80211_IF_TYPE_INVALID: - /* cannot happen */ - WARN_ON(1); - break; - case IEEE80211_IF_TYPE_AP: { - struct beacon_data *beacon; - - beacon = sdata->u.ap.beacon; - rcu_assign_pointer(sdata->u.ap.beacon, NULL); - synchronize_rcu(); - kfree(beacon); - - while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) { - local->total_ps_buffered--; - dev_kfree_skb(skb); - } - - break; - } - case IEEE80211_IF_TYPE_WDS: - case IEEE80211_IF_TYPE_VLAN: - /* nothing to do */ - break; - case IEEE80211_IF_TYPE_MESH_POINT: - 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; - } - - flushed = sta_info_flush(local, sdata); - WARN_ON(flushed); - - 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; - - ieee80211_debugfs_remove_netdev(sdata); + list_del_rcu(&sdata->list); + synchronize_rcu(); unregister_netdevice(dev); - /* - * The net_device will be freed by its 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) +/* + * Remove all interfaces, may only be called at hardware unregistration + * time because it doesn't do RCU-safe list removals. + */ +void ieee80211_remove_interfaces(struct ieee80211_local *local) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata, *n; + struct ieee80211_sub_if_data *sdata, *tmp; ASSERT_RTNL(); - list_for_each_entry_safe(sdata, n, &local->interfaces, list) { - if ((sdata->vif.type == id || id == -1) && - strcmp(name, sdata->dev->name) == 0) { - list_del_rcu(&sdata->list); - synchronize_rcu(); - __ieee80211_if_del(local, sdata); - return 0; - } + list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { + list_del(&sdata->list); + unregister_netdevice(sdata->dev); } - return -ENODEV; -} - -void ieee80211_if_free(struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - ieee80211_if_sdata_deinit(sdata); - free_netdev(dev); } diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 863923964d2..0759ab2ca3f 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -971,7 +971,6 @@ static const struct header_ops ieee80211_header_ops = { .cache_update = eth_header_cache_update, }; -/* Must not be called for mdev */ void ieee80211_if_setup(struct net_device *dev) { ether_setup(dev); @@ -981,7 +980,7 @@ void ieee80211_if_setup(struct net_device *dev) dev->change_mtu = ieee80211_change_mtu; dev->open = ieee80211_open; dev->stop = ieee80211_stop; - dev->destructor = ieee80211_if_free; + dev->destructor = free_netdev; } /* everything else */ @@ -1776,7 +1775,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) printk(KERN_WARNING "%s: Failed to add default virtual iface\n", wiphy_name(local->hw.wiphy)); - local->reg_state = IEEE80211_DEV_REGISTERED; rtnl_unlock(); ieee80211_led_init(local); @@ -1806,30 +1804,20 @@ EXPORT_SYMBOL(ieee80211_register_hw); void ieee80211_unregister_hw(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - struct ieee80211_sub_if_data *sdata, *tmp; tasklet_kill(&local->tx_pending_tasklet); tasklet_kill(&local->tasklet); rtnl_lock(); - BUG_ON(local->reg_state != IEEE80211_DEV_REGISTERED); - - local->reg_state = IEEE80211_DEV_UNREGISTERED; - /* * At this point, interface list manipulations are fine * because the driver cannot be handing us frames any * more and the tasklet is killed. */ - /* - * First, we remove all virtual interfaces. - */ - list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { - list_del(&sdata->list); - __ieee80211_if_del(local, sdata); - } + /* First, we remove all virtual interfaces. */ + ieee80211_remove_interfaces(local); /* then, finally, remove the master interface */ unregister_netdevice(local->mdev); diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index e8e4a6215e8..f2fdd334219 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -301,8 +301,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev, if (netif_running(dev)) return -EBUSY; - ieee80211_if_reinit(dev); - ieee80211_if_set_type(dev, type); + ieee80211_if_change_type(sdata, type); return 0; } |