nuke the old d80211 backport - will be replaced soon

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7340 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 461 deletions

diff --git a/package/d80211/src/sta_info.c b/package/d80211/src/sta_info.c
deleted file mode 100644
index e8f2bab3ff..0000000000
--- a/package/d80211/src/sta_info.c
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- *
- * 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/module.h>
-#include <linux/init.h>
-#include <linux/kobject.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-
-#include <net/d80211.h>
-#include "ieee80211_i.h"
-#include "ieee80211_rate.h"
-#include "sta_info.h"
-
-
-/* Caller must hold local->sta_lock */
-static void sta_info_hash_add(struct ieee80211_local *local,
-			      struct sta_info *sta)
-{
-	sta->hnext = local->sta_hash[STA_HASH(sta->addr)];
-	local->sta_hash[STA_HASH(sta->addr)] = sta;
-}
-
-
-/* Caller must hold local->sta_lock */
-static void sta_info_hash_del(struct ieee80211_local *local,
-			      struct sta_info *sta)
-{
-	struct sta_info *s;
-
-	s = local->sta_hash[STA_HASH(sta->addr)];
-	if (!s)
-		return;
-	if (memcmp(s->addr, sta->addr, ETH_ALEN) == 0) {
-		local->sta_hash[STA_HASH(sta->addr)] = s->hnext;
-		return;
-	}
-
-	while (s->hnext && memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
-		s = s->hnext;
-	if (s->hnext)
-		s->hnext = s->hnext->hnext;
-	else
-		printk(KERN_ERR "%s: could not remove STA " MAC_FMT " from "
-		       "hash table\n", local->mdev->name, MAC_ARG(sta->addr));
-}
-
-static inline struct sta_info *__sta_info_get(struct sta_info *sta)
-{
-	return kobject_get(&sta->kobj) ? sta : NULL;
-}
-
-struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr)
-{
-	struct sta_info *sta;
-
-	spin_lock_bh(&local->sta_lock);
-	sta = local->sta_hash[STA_HASH(addr)];
-	while (sta) {
-		if (memcmp(sta->addr, addr, ETH_ALEN) == 0) {
-			__sta_info_get(sta);
-			break;
-		}
-		sta = sta->hnext;
-	}
-	spin_unlock_bh(&local->sta_lock);
-
-	return sta;
-}
-EXPORT_SYMBOL(sta_info_get);
-
-int sta_info_min_txrate_get(struct ieee80211_local *local)
-{
-	struct sta_info *sta;
-        int min_txrate = 9999999;
-        int i;
-
-	spin_lock_bh(&local->sta_lock);
-	for (i = 0; i < STA_HASH_SIZE; i++) {
-		sta = local->sta_hash[i];
-		while (sta) {
-			if (sta->txrate < min_txrate)
-				min_txrate = sta->txrate;
-			sta = sta->hnext;
-		}
-	}
-	spin_unlock_bh(&local->sta_lock);
-	if (min_txrate == 9999999)
-		min_txrate = 0;
-
-	return min_txrate;
-}
-
-
-void sta_info_put(struct sta_info *sta)
-{
-	kobject_put(&sta->kobj);
-}
-EXPORT_SYMBOL(sta_info_put);
-
-void sta_info_release(struct kobject *kobj)
-{
-	struct sta_info *sta = container_of(kobj, struct sta_info, kobj);
-	struct ieee80211_local *local = sta->local;
-	struct sk_buff *skb;
-
-	/* free sta structure; it has already been removed from
-	 * hash table etc. external structures. Make sure that all
-	 * buffered frames are release (one might have been added
-	 * after sta_info_free() was called). */
-	while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
-		local->total_ps_buffered--;
-		dev_kfree_skb_any(skb);
-	}
-	while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
-		dev_kfree_skb_any(skb);
-	}
-	rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv);
-	rate_control_put(sta->rate_ctrl);
-	kfree(sta);
-}
-
-
-struct sta_info * sta_info_add(struct ieee80211_local *local,
-			       struct net_device *dev, u8 *addr, gfp_t gfp)
-{
-	struct sta_info *sta;
-
-	sta = kzalloc(sizeof(*sta), gfp);
-	if (!sta)
-		return NULL;
-
-	if (kobject_set_name(&sta->kobj, MAC_FMT, MAC_ARG(addr))) {
-		kfree(sta);
-		return NULL;
-	}
-	sta->kobj.kset = &local->sta_kset;
-	kobject_init(&sta->kobj);
-
-	sta->rate_ctrl = rate_control_get(local->rate_ctrl);
-	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl, gfp);
-	if (!sta->rate_ctrl_priv) {
-		rate_control_put(sta->rate_ctrl);
-		kobject_put(&sta->kobj);
-		kfree(sta);
-		return NULL;
-	}
-
-        memcpy(sta->addr, addr, ETH_ALEN);
-	sta->local = local;
-        sta->dev = dev;
-	skb_queue_head_init(&sta->ps_tx_buf);
-	skb_queue_head_init(&sta->tx_filtered);
-	__sta_info_get(sta);	/* sta used by caller, decremented by
-				 * sta_info_put() */
-	spin_lock_bh(&local->sta_lock);
-	list_add(&sta->list, &local->sta_list);
-	local->num_sta++;
-        sta_info_hash_add(local, sta);
-	spin_unlock_bh(&local->sta_lock);
-	if (local->ops->sta_table_notification)
-		local->ops->sta_table_notification(local_to_hw(local),
-						  local->num_sta);
-	sta->key_idx_compression = HW_KEY_IDX_INVALID;
-
-#ifdef CONFIG_D80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Added STA " MAC_FMT "\n",
-	       local->mdev->name, MAC_ARG(addr));
-#endif /* CONFIG_D80211_VERBOSE_DEBUG */
-
-	if (!in_interrupt()) {
-		sta->sysfs_registered = 1;
-		ieee80211_sta_sysfs_add(sta);
-		rate_control_add_sta_attrs(sta, &sta->kobj);
-	} else {
-		/* procfs entry adding might sleep, so schedule process context
-		 * task for adding proc entry for STAs that do not yet have
-		 * one. */
-		schedule_work(&local->sta_proc_add);
-	}
-
-	return sta;
-}
-
-static void finish_sta_info_free(struct ieee80211_local *local,
-				 struct sta_info *sta)
-{
-#ifdef CONFIG_D80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n",
-	       local->mdev->name, MAC_ARG(sta->addr));
-#endif /* CONFIG_D80211_VERBOSE_DEBUG */
-
-	if (sta->key) {
-		ieee80211_key_sysfs_remove(sta->key);
-		ieee80211_key_free(sta->key);
-		sta->key = NULL;
-	}
-
-	rate_control_remove_sta_attrs(sta, &sta->kobj);
-	ieee80211_sta_sysfs_remove(sta);
-
-	sta_info_put(sta);
-}
-
-void sta_info_free(struct sta_info *sta, int locked)
-{
-	struct sk_buff *skb;
-	struct ieee80211_local *local = sta->local;
-	struct ieee80211_sub_if_data *sdata;
-
-	if (!locked)
-		spin_lock_bh(&local->sta_lock);
-	sta_info_hash_del(local, sta);
-	list_del(&sta->list);
-	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-	if (sta->flags & WLAN_STA_PS) {
-		sta->flags &= ~WLAN_STA_PS;
-		if (sdata->bss)
-			atomic_dec(&sdata->bss->num_sta_ps);
-	}
-	local->num_sta--;
-	sta_info_remove_aid_ptr(sta);
-	if (!locked)
-		spin_unlock_bh(&local->sta_lock);
-	if (local->ops->sta_table_notification)
-		local->ops->sta_table_notification(local_to_hw(local),
-						  local->num_sta);
-
-	while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
-		local->total_ps_buffered--;
-		dev_kfree_skb_any(skb);
-	}
-	while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
-		dev_kfree_skb_any(skb);
-	}
-
-	if (sta->key) {
-		if (local->ops->set_key) {
-			struct ieee80211_key_conf *key;
-			key = ieee80211_key_data2conf(local, sta->key);
-			if (key) {
-				local->ops->set_key(local_to_hw(local),
-						   DISABLE_KEY,
-						   sta->addr, key, sta->aid);
-				kfree(key);
-			}
-		}
-	} else if (sta->key_idx_compression != HW_KEY_IDX_INVALID) {
-		struct ieee80211_key_conf conf;
-		memset(&conf, 0, sizeof(conf));
-		conf.hw_key_idx = sta->key_idx_compression;
-		conf.alg = ALG_NULL;
-		conf.flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT;
-		local->ops->set_key(local_to_hw(local), DISABLE_KEY,
-				   sta->addr, &conf, sta->aid);
-		sta->key_idx_compression = HW_KEY_IDX_INVALID;
-	}
-
-	if (in_atomic()) {
-		list_add(&sta->list, &local->deleted_sta_list);
-		schedule_work(&local->sta_proc_add);
-	} else
-		finish_sta_info_free(local, sta);
-}
-
-
-static inline int sta_info_buffer_expired(struct ieee80211_local *local,
-					  struct sta_info *sta,
-					  struct sk_buff *skb)
-{
-        struct ieee80211_tx_packet_data *pkt_data;
-	int timeout;
-
-	if (!skb)
-		return 0;
-
-        pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
-
-	/* Timeout: (2 * listen_interval * beacon_int * 1024 / 1000000) sec */
-	timeout = (sta->listen_interval * local->hw.conf.beacon_int * 32 /
-		   15625) * HZ;
-	if (timeout < STA_TX_BUFFER_EXPIRE)
-		timeout = STA_TX_BUFFER_EXPIRE;
-	return time_after(jiffies, pkt_data->jiffies + timeout);
-}
-
-
-static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
-					     struct sta_info *sta)
-{
-	unsigned long flags;
-	struct sk_buff *skb;
-
-	if (skb_queue_empty(&sta->ps_tx_buf))
-		return;
-
-	for (;;) {
-		spin_lock_irqsave(&sta->ps_tx_buf.lock, flags);
-		skb = skb_peek(&sta->ps_tx_buf);
-		if (sta_info_buffer_expired(local, sta, skb)) {
-			skb = __skb_dequeue(&sta->ps_tx_buf);
-			if (skb_queue_empty(&sta->ps_tx_buf))
-				sta->flags &= ~WLAN_STA_TIM;
-		} else
-			skb = NULL;
-		spin_unlock_irqrestore(&sta->ps_tx_buf.lock, flags);
-
-		if (skb) {
-			local->total_ps_buffered--;
-			printk(KERN_DEBUG "Buffered frame expired (STA "
-			       MAC_FMT ")\n", MAC_ARG(sta->addr));
-			dev_kfree_skb(skb);
-		} else
-			break;
-	}
-}
-
-
-static void sta_info_cleanup(unsigned long data)
-{
-	struct ieee80211_local *local = (struct ieee80211_local *) data;
-	struct sta_info *sta;
-
-	spin_lock_bh(&local->sta_lock);
-	list_for_each_entry(sta, &local->sta_list, list) {
-		__sta_info_get(sta);
-		sta_info_cleanup_expire_buffered(local, sta);
-		sta_info_put(sta);
-	}
-	spin_unlock_bh(&local->sta_lock);
-
-	local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
-	add_timer(&local->sta_cleanup);
-}
-
-
-static void sta_info_proc_add_task(struct work_struct *work)
-{
-	struct ieee80211_local *local =
-		container_of(work, struct ieee80211_local, sta_proc_add);
-	struct sta_info *sta, *tmp;
-
-	while (1) {
-		spin_lock_bh(&local->sta_lock);
-		if (!list_empty(&local->deleted_sta_list)) {
-			sta = list_entry(local->deleted_sta_list.next,
-					 struct sta_info, list);
-			list_del(local->deleted_sta_list.next);
-		} else
-			sta = NULL;
-		spin_unlock_bh(&local->sta_lock);
-		if (!sta)
-			break;
-		finish_sta_info_free(local, sta);
-	}
-
-	while (1) {
-		sta = NULL;
-		spin_lock_bh(&local->sta_lock);
-		list_for_each_entry(tmp, &local->sta_list, list) {
-			if (!tmp->sysfs_registered) {
-				sta = tmp;
-				__sta_info_get(sta);
-				break;
-			}
-		}
-		spin_unlock_bh(&local->sta_lock);
-
-		if (!sta)
-			break;
-
-		sta->sysfs_registered = 1;
-		ieee80211_sta_sysfs_add(sta);
-		rate_control_add_sta_attrs(sta, &sta->kobj);
-		sta_info_put(sta);
-	}
-}
-
-
-void sta_info_init(struct ieee80211_local *local)
-{
-	spin_lock_init(&local->sta_lock);
-	INIT_LIST_HEAD(&local->sta_list);
-	INIT_LIST_HEAD(&local->deleted_sta_list);
-
-	init_timer(&local->sta_cleanup);
-	local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
-	local->sta_cleanup.data = (unsigned long) local;
-	local->sta_cleanup.function = sta_info_cleanup;
-
-	INIT_WORK(&local->sta_proc_add, sta_info_proc_add_task);
-}
-
-int sta_info_start(struct ieee80211_local *local)
-{
-	int res;
-
-	res = ieee80211_sta_kset_sysfs_register(local);
-	if (res)
-		return res;
-	add_timer(&local->sta_cleanup);
-	return 0;
-}
-
-void sta_info_stop(struct ieee80211_local *local)
-{
-	struct sta_info *sta, *tmp;
-
-	del_timer(&local->sta_cleanup);
-
-	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {
-		/* sta_info_free must be called with 0 as the last
-		 * parameter to ensure all sysfs sta entries are
-		 * unregistered. We don't need locking at this
-		 * point. */
-		sta_info_free(sta, 0);
-	}
-	ieee80211_sta_kset_sysfs_unregister(local);
-}
-
-
-void sta_info_remove_aid_ptr(struct sta_info *sta)
-{
-	struct ieee80211_sub_if_data *sdata;
-
-	if (sta->aid <= 0)
-		return;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-
-	if (sdata->local->ops->set_tim)
-		sdata->local->ops->set_tim(local_to_hw(sdata->local),
-					  sta->aid, 0);
-	if (sdata->bss)
-		__bss_tim_clear(sdata->bss, sta->aid);
-}
-
-
-/**
- * sta_info_flush - flush matching STA entries from the STA table
- * @local: local interface data
- * @dev: matching rule for the net device (sta->dev) or %NULL to match all STAs
- */
-void sta_info_flush(struct ieee80211_local *local, struct net_device *dev)
-{
-	struct sta_info *sta, *tmp;
-
-	spin_lock_bh(&local->sta_lock);
-	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
-		if (!dev || dev == sta->dev)
-			sta_info_free(sta, 1);
-	spin_unlock_bh(&local->sta_lock);
-}