LXR linux/drivers/net/wireless/ath/ath5k/base.h

   1/*-
   2 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
   3 * All rights reserved.
   4 *
   5 * Redistribution and use in source and binary forms, with or without
   6 * modification, are permitted provided that the following conditions
   7 * are met:
   8 * 1. Redistributions of source code must retain the above copyright
   9 *    notice, this list of conditions and the following disclaimer,
  10 *    without modification.
  11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  12 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  13 *    redistribution must be conditioned upon including a substantially
  14 *    similar Disclaimer requirement for further binary redistribution.
  15 * 3. Neither the names of the above-listed copyright holders nor the names
  16 *    of any contributors may be used to endorse or promote products derived
  17 *    from this software without specific prior written permission.
  18 *
  19 * Alternatively, this software may be distributed under the terms of the
  20 * GNU General Public License ("GPL") version 2 as published by the Free
  21 * Software Foundation.
  22 *
  23 * NO WARRANTY
  24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  28 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  29 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  32 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  34 * THE POSSIBILITY OF SUCH DAMAGES.
  35 *
  36 */
  37
  38/*
  39 * Definitions for the Atheros Wireless LAN controller driver.
  40 */
  41#ifndef _DEV_ATH5K_BASE_H
  42#define _DEV_ATH5K_BASE_H
  43
  44struct ieee80211_vif;
  45struct ieee80211_hw;
  46struct ath5k_hw;
  47struct ath5k_txq;
  48struct ieee80211_channel;
  49struct ath_bus_ops;
  50struct ieee80211_tx_control;
  51enum nl80211_iftype;
  52
  53enum ath5k_srev_type {
  54        AR5K_VERSION_MAC,
  55        AR5K_VERSION_RAD,
  56};
  57
  58struct ath5k_srev_name {
  59        const char              *sr_name;
  60        enum ath5k_srev_type    sr_type;
  61        u_int                   sr_val;
  62};
  63
  64struct ath5k_buf {
  65        struct list_head                list;
  66        struct ath5k_desc               *desc;          /* virtual addr of desc */
  67        dma_addr_t                      daddr;          /* physical addr of desc */
  68        struct sk_buff                  *skb;           /* skbuff for buf */
  69        dma_addr_t                      skbaddr;        /* physical addr of skb data */
  70        struct ieee80211_tx_rate        rates[4];       /* number of multi-rate stages */
  71};
  72
  73struct ath5k_vif {
  74        bool                    assoc; /* are we associated or not */
  75        enum nl80211_iftype     opmode;
  76        int                     bslot;
  77        struct ath5k_buf        *bbuf; /* beacon buffer */
  78};
  79
  80struct ath5k_vif_iter_data {
  81        const u8        *hw_macaddr;
  82        u8              mask[ETH_ALEN];
  83        u8              active_mac[ETH_ALEN]; /* first active MAC */
  84        bool            need_set_hw_addr;
  85        bool            found_active;
  86        bool            any_assoc;
  87        enum nl80211_iftype opmode;
  88        int n_stas;
  89};
  90
  91void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
  92bool ath5k_any_vif_assoc(struct ath5k_hw *ah);
  93
  94int ath5k_start(struct ieee80211_hw *hw);
  95void ath5k_stop(struct ieee80211_hw *hw);
  96
  97void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
  98int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
  99void ath5k_beacon_config(struct ath5k_hw *ah);
 100void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
 101
 102void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
 103                                        struct ieee80211_vif *vif);
 104int ath5k_chan_set(struct ath5k_hw *ah, struct cfg80211_chan_def *chandef);
 105void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
 106void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
 107void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 108                    struct ath5k_txq *txq, struct ieee80211_tx_control *control);
 109
 110const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
 111
 112int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
 113void ath5k_deinit_ah(struct ath5k_hw *ah);
 114
 115/* Check whether BSSID mask is supported */
 116#define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)
 117
 118/* Check whether virtual EOL is supported */
 119#define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)
 120
 121#endif  /* _DEV_ATH5K_BASE_H */
 122