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
  44 struct ieee80211_vif;
  45 struct ieee80211_hw;
  46 struct ath5k_hw;
  47 struct ath5k_txq;
  48 struct ieee80211_channel;
  49 struct ath_bus_ops;
  50 struct ieee80211_tx_control;
  51 enum nl80211_iftype;
  52
  53 enum ath5k_srev_type {
  54         AR5K_VERSION_MAC,
  55         AR5K_VERSION_RAD,
  56 };
  57
  58 struct ath5k_srev_name {
  59         const char              *sr_name;
  60         enum ath5k_srev_type    sr_type;
  61         u_int                   sr_val;
  62 };
  63
  64 struct 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
  73 struct 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
  80 struct 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
  91 void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
  92 bool ath5k_any_vif_assoc(struct ath5k_hw *ah);
  93
  94 int ath5k_start(struct ieee80211_hw *hw);
  95 void ath5k_stop(struct ieee80211_hw *hw);
  96
  97 void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
  98 int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
  99 void ath5k_beacon_config(struct ath5k_hw *ah);
 100 void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
 101
 102 void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
 103                                         struct ieee80211_vif *vif);
 104 int ath5k_chan_set(struct ath5k_hw *ah, struct cfg80211_chan_def *chandef);
 105 void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
 106 void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
 107 void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 108                     struct ath5k_txq *txq, struct ieee80211_tx_control *control);
 109
 110 const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
 111
 112 int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
 113 void 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 */