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 enum nl80211_iftype;
  51
  52 enum ath5k_srev_type {
  53         AR5K_VERSION_MAC,
  54         AR5K_VERSION_RAD,
  55 };
  56
  57 struct ath5k_srev_name {
  58         const char              *sr_name;
  59         enum ath5k_srev_type    sr_type;
  60         u_int                   sr_val;
  61 };
  62
  63 struct ath5k_buf {
  64         struct list_head        list;
  65         struct ath5k_desc       *desc;  /* virtual addr of desc */
  66         dma_addr_t              daddr;  /* physical addr of desc */
  67         struct sk_buff          *skb;   /* skbuff for buf */
  68         dma_addr_t              skbaddr;/* physical addr of skb data */
  69 };
  70
  71 struct ath5k_vif {
  72         bool                    assoc; /* are we associated or not */
  73         enum nl80211_iftype     opmode;
  74         int                     bslot;
  75         struct ath5k_buf        *bbuf; /* beacon buffer */
  76 };
  77
  78 struct ath5k_vif_iter_data {
  79         const u8        *hw_macaddr;
  80         u8              mask[ETH_ALEN];
  81         u8              active_mac[ETH_ALEN]; /* first active MAC */
  82         bool            need_set_hw_addr;
  83         bool            found_active;
  84         bool            any_assoc;
  85         enum nl80211_iftype opmode;
  86         int n_stas;
  87 };
  88
  89 void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
  90 bool ath5k_any_vif_assoc(struct ath5k_hw *ah);
  91
  92 int ath5k_start(struct ieee80211_hw *hw);
  93 void ath5k_stop(struct ieee80211_hw *hw);
  94
  95 void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
  96 int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
  97 void ath5k_beacon_config(struct ath5k_hw *ah);
  98 void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
  99
 100 void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
 101                                         struct ieee80211_vif *vif);
 102 int ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan);
 103 void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
 104 void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
 105 void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 106                     struct ath5k_txq *txq);
 107
 108 const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
 109
 110 int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
 111 void ath5k_deinit_ah(struct ath5k_hw *ah);
 112
 113 /* Check whether BSSID mask is supported */
 114 #define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)
 115
 116 /* Check whether virtual EOL is supported */
 117 #define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)
 118
 119 #endif  /* _DEV_ATH5K_BASE_H */