1 files changed, 0 insertions, 417 deletions

diff --git a/openwrt/target/linux/package/ieee80211-dscape/src/sta_info.c b/openwrt/target/linux/package/ieee80211-dscape/src/sta_info.c
deleted file mode 100644
index 4bb9f74ba..000000000
--- a/openwrt/target/linux/package/ieee80211-dscape/src/sta_info.c
+++ /dev/null
@@ -1,417 +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/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "ieee80211_proc.h"
-#include "rate_control.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 == NULL)
-		return;
-	if (memcmp(s->addr, sta->addr, ETH_ALEN) == 0) {
-		local->sta_hash[STA_HASH(sta->addr)] = s->hnext;
-		return;
-	}
-
-	while (s->hnext != NULL &&
-	       memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
-		s = s->hnext;
-	if (s->hnext != NULL)
-		s->hnext = s->hnext->hnext;
-	else
-		printk(KERN_ERR "%s: could not remove STA " MACSTR " from "
-		       "hash table\n", local->mdev->name, MAC2STR(sta->addr));
-}
-
-
-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) {
-			atomic_inc(&sta->users);
-			break;
-		}
-		sta = sta->hnext;
-	}
-	spin_unlock_bh(&local->sta_lock);
-
-	return sta;
-}
-
-
-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_release(struct ieee80211_local *local, struct sta_info *sta)
-{
-	struct sk_buff *skb;
-
-	if (!atomic_dec_and_test(&sta->users))
-		return;
-
-	/* 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(local, sta->rate_ctrl_priv);
-	kfree(sta);
-}
-
-
-struct sta_info * sta_info_add(struct ieee80211_local *local,
-			       struct net_device *dev, u8 *addr)
-{
-	struct sta_info *sta;
-
-	sta = kmalloc(sizeof(*sta), GFP_ATOMIC);
-	if (!sta)
-		return NULL;
-
-	memset(sta, 0, sizeof(*sta));
-
-	sta->rate_ctrl_priv = rate_control_alloc_sta(local);
-	if (sta->rate_ctrl_priv == NULL) {
-		kfree(sta);
-		return NULL;
-	}
-
-        memcpy(sta->addr, addr, ETH_ALEN);
-        sta->dev = dev;
-	skb_queue_head_init(&sta->ps_tx_buf);
-	skb_queue_head_init(&sta->tx_filtered);
-	atomic_inc(&sta->users); /* sta in hashlist etc, decremented by
-				  * sta_info_free() */
-	atomic_inc(&sta->users); /* sta used by caller, decremented by
-				  * sta_info_release() */
-	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->hw->sta_table_notification)
-		local->hw->sta_table_notification(local->mdev, local->num_sta);
-	sta->key_idx_compression = HW_KEY_IDX_INVALID;
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Added STA " MACSTR "\n",
-	       dev->name, MAC2STR(addr));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
-	if (!in_interrupt()) {
-		ieee80211_proc_init_sta(local, sta);
-	} 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;
-}
-
-
-void sta_info_free(struct ieee80211_local *local, struct sta_info *sta,
-		   int locked)
-{
-	struct sk_buff *skb;
-	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->hw->sta_table_notification)
-		local->hw->sta_table_notification(local->mdev, 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->hw->set_key) {
-			struct ieee80211_key_conf *key;
-			key = ieee80211_key_data2conf(local, sta->key);
-			if (key) {
-				local->hw->set_key(local->mdev, DISABLE_KEY,
-						   sta->addr, key, sta->aid);
-				kfree(key);
-			}
-		}
-		kfree(sta->key);
-		sta->key = NULL;
-	} 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.force_sw_encrypt = 1;
-		local->hw->set_key(local->mdev, DISABLE_KEY, sta->addr, &conf,
-				   sta->aid);
-		sta->key_idx_compression = HW_KEY_IDX_INVALID;
-	}
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Removed STA " MACSTR "\n",
-	       local->mdev->name, MAC2STR(sta->addr));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
-	ieee80211_proc_deinit_sta(local, sta);
-
-	if (atomic_read(&sta->users) != 1) {
-		/* This is OK, but printed for debugging. The station structure
-		 * will be removed when the other user of the data calls
-		 * sta_info_release(). */
-		printk(KERN_DEBUG "%s: STA " MACSTR " users count %d when "
-		       "removing it\n", local->mdev->name, MAC2STR(sta->addr),
-		       atomic_read(&sta->users));
-	}
-
-	sta_info_release(local, sta);
-}
-
-
-static inline int sta_info_buffer_expired(struct sk_buff *skb)
-{
-        struct ieee80211_tx_packet_data *pkt_data;
-	if (!skb)
-		return 0;
-
-	/* TODO: this could be improved by passing STA listen interval into
-	 * the kernel driver and expiring frames after 2 x listen_interval x
-         * beacon interval */
-
-        pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
-
-        if (pkt_data->magic != IEEE80211_CB_MAGIC)
-                return 1;
-
-	return time_after(jiffies, pkt_data->jiffies + STA_TX_BUFFER_EXPIRE);
-}
-
-
-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(skb))
-			skb = __skb_dequeue(&sta->ps_tx_buf);
-		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 "
-			       MACSTR ")\n", MAC2STR(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 list_head *ptr;
-
-	spin_lock_bh(&local->sta_lock);
-	ptr = local->sta_list.next;
-	while (ptr && ptr != &local->sta_list) {
-		struct sta_info *sta = (struct sta_info *) ptr;
-		atomic_inc(&sta->users);
-		sta_info_cleanup_expire_buffered(local, sta);
-		sta_info_release(local, sta);
-		ptr = ptr->next;
-	}
-	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(void *data)
-{
-	struct ieee80211_local *local = data;
-	struct list_head *ptr;
-	struct sta_info *sta;
-	int max_adds = 100;
-
-	while (max_adds > 0) {
-		sta = NULL;
-		spin_lock_bh(&local->sta_lock);
-		list_for_each(ptr, &local->sta_list) {
-			sta = list_entry(ptr, struct sta_info, list);
-			if (!sta->proc_entry_added) {
-				atomic_inc(&sta->users);
-				break;
-			}
-			sta = NULL;
-		}
-		spin_unlock_bh(&local->sta_lock);
-
-		if (!sta)
-			break;
-
-		ieee80211_proc_init_sta(local, sta);
-		atomic_dec(&sta->users);
-
-		max_adds--;
-	}
-}
-
-
-void sta_info_init(struct ieee80211_local *local)
-{
-	spin_lock_init(&local->sta_lock);
-	INIT_LIST_HEAD(&local->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, local);
-}
-
-void sta_info_start(struct ieee80211_local *local)
-{
-	add_timer(&local->sta_cleanup);
-}
-
-void sta_info_stop(struct ieee80211_local *local)
-{
-	struct list_head *ptr;
-
-	del_timer(&local->sta_cleanup);
-
-	ptr = local->sta_list.next;
-	while (ptr && ptr != &local->sta_list) {
-		struct sta_info *sta = (struct sta_info *) ptr;
-		ptr = ptr->next;
-		sta_info_free(local, sta, 0);
-	}
-}
-
-
-void sta_info_remove_aid_ptr(struct sta_info *sta)
-{
-	struct ieee80211_sub_if_data *sdata;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-	if (sta->aid <= 0 || !sdata->bss)
-		return;
-
-	sdata->bss->sta_aid[sta->aid - 1] = NULL;
-	if (sta->aid == sdata->bss->max_aid) {
-		while (sdata->bss->max_aid > 0 &&
-		       sdata->bss->sta_aid[sdata->bss->max_aid - 1] == NULL)
-			sdata->bss->max_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 list_head *ptr, *n;
-
-	spin_lock_bh(&local->sta_lock);
-
-	list_for_each_safe(ptr, n, &local->sta_list) {
-		struct sta_info *sta = list_entry(ptr, struct sta_info, list);
-		if (dev == NULL || dev == sta->dev)
-			sta_info_free(local, sta, 1);
-	}
-	spin_unlock_bh(&local->sta_lock);
-}