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d86ec781ef
Each station has a vlan_id that is useless. Remove it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
157 lines
5.0 KiB
C
157 lines
5.0 KiB
C
/*
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* Copyright 2002-2005, Devicescape Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef STA_INFO_H
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#define STA_INFO_H
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#include <linux/list.h>
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#include <linux/types.h>
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#include <linux/if_ether.h>
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#include <linux/kref.h>
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#include "ieee80211_key.h"
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/* Stations flags (struct sta_info::flags) */
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#define WLAN_STA_AUTH BIT(0)
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#define WLAN_STA_ASSOC BIT(1)
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#define WLAN_STA_PS BIT(2)
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#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */
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#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */
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#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is
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* controlling whether STA is authorized to
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* send and receive non-IEEE 802.1X frames
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*/
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#define WLAN_STA_SHORT_PREAMBLE BIT(7)
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/* whether this is an AP that we are associated with as a client */
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#define WLAN_STA_ASSOC_AP BIT(8)
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#define WLAN_STA_WME BIT(9)
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#define WLAN_STA_WDS BIT(27)
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struct sta_info {
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struct kref kref;
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struct list_head list;
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struct sta_info *hnext; /* next entry in hash table list */
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struct ieee80211_local *local;
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u8 addr[ETH_ALEN];
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u16 aid; /* STA's unique AID (1..2007), 0 = not yet assigned */
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u32 flags; /* WLAN_STA_ */
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struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in
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* power saving state */
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int pspoll; /* whether STA has send a PS Poll frame */
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struct sk_buff_head tx_filtered; /* buffer of TX frames that were
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* already given to low-level driver,
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* but were filtered */
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int clear_dst_mask;
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unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */
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unsigned long rx_bytes, tx_bytes;
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unsigned long tx_retry_failed, tx_retry_count;
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unsigned long tx_filtered_count;
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unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */
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unsigned long last_rx;
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u32 supp_rates; /* bitmap of supported rates in local->curr_rates */
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int txrate; /* index in local->curr_rates */
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int last_txrate; /* last rate used to send a frame to this STA */
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int last_nonerp_idx;
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struct net_device *dev; /* which net device is this station associated
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* to */
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struct ieee80211_key *key;
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u32 tx_num_consecutive_failures;
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u32 tx_num_mpdu_ok;
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u32 tx_num_mpdu_fail;
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struct rate_control_ref *rate_ctrl;
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void *rate_ctrl_priv;
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/* last received seq/frag number from this STA (per RX queue) */
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__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
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unsigned long num_duplicates; /* number of duplicate frames received
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* from this STA */
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unsigned long tx_fragments; /* number of transmitted MPDUs */
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unsigned long rx_fragments; /* number of received MPDUs */
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unsigned long rx_dropped; /* number of dropped MPDUs from this STA */
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int last_rssi; /* RSSI of last received frame from this STA */
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int last_signal; /* signal of last received frame from this STA */
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int last_noise; /* noise of last received frame from this STA */
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int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */
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unsigned long last_ack;
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int channel_use;
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int channel_use_raw;
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#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
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unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
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unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
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#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
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u16 listen_interval;
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#ifdef CONFIG_MAC80211_DEBUGFS
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struct sta_info_debugfsdentries {
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struct dentry *dir;
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struct dentry *flags;
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struct dentry *num_ps_buf_frames;
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struct dentry *last_ack_rssi;
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struct dentry *last_ack_ms;
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struct dentry *inactive_ms;
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struct dentry *last_seq_ctrl;
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#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
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struct dentry *wme_rx_queue;
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struct dentry *wme_tx_queue;
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#endif
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} debugfs;
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#endif
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};
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/* Maximum number of concurrently registered stations */
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#define MAX_STA_COUNT 2007
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#define STA_HASH_SIZE 256
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#define STA_HASH(sta) (sta[5])
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/* Maximum number of frames to buffer per power saving station */
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#define STA_MAX_TX_BUFFER 128
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/* Minimum buffered frame expiry time. If STA uses listen interval that is
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* smaller than this value, the minimum value here is used instead. */
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#define STA_TX_BUFFER_EXPIRE (10 * HZ)
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/* How often station data is cleaned up (e.g., expiration of buffered frames)
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*/
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#define STA_INFO_CLEANUP_INTERVAL (10 * HZ)
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static inline void __sta_info_get(struct sta_info *sta)
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{
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kref_get(&sta->kref);
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}
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struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr);
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int sta_info_min_txrate_get(struct ieee80211_local *local);
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void sta_info_put(struct sta_info *sta);
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struct sta_info * sta_info_add(struct ieee80211_local *local,
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struct net_device *dev, u8 *addr, gfp_t gfp);
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void sta_info_remove(struct sta_info *sta);
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void sta_info_free(struct sta_info *sta);
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void sta_info_init(struct ieee80211_local *local);
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int sta_info_start(struct ieee80211_local *local);
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void sta_info_stop(struct ieee80211_local *local);
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void sta_info_remove_aid_ptr(struct sta_info *sta);
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void sta_info_flush(struct ieee80211_local *local, struct net_device *dev);
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#endif /* STA_INFO_H */
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