base.h

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/*-
 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGES.
 *
 */

/*
 * Definitions for the Atheros Wireless LAN controller driver.
 */
#ifndef _DEV_ATH5K_BASE_H
#define _DEV_ATH5K_BASE_H

struct ieee80211_vif;
struct ieee80211_hw;
struct ath5k_hw;
struct ath5k_txq;
struct ieee80211_channel;
struct ath_bus_ops;
enum nl80211_iftype;

enum ath5k_srev_type {
    AR5K_VERSION_MAC,
    AR5K_VERSION_RAD,
};

struct ath5k_srev_name {
    const char      *sr_name;
    enum ath5k_srev_type    sr_type;
    u_int           sr_val;
};

struct ath5k_buf {
    struct list_head    list;
    struct ath5k_desc   *desc;  /* virtual addr of desc */
    dma_addr_t      daddr;  /* physical addr of desc */
    struct sk_buff      *skb;   /* skbuff for buf */
    dma_addr_t      skbaddr;/* physical addr of skb data */
};

struct ath5k_vif {
    bool            assoc; /* are we associated or not */
    enum nl80211_iftype opmode;
    int         bslot;
    struct ath5k_buf    *bbuf; /* beacon buffer */
};

struct ath5k_vif_iter_data {
    const u8    *hw_macaddr;
    u8      mask[ETH_ALEN];
    u8      active_mac[ETH_ALEN]; /* first active MAC */
    bool        need_set_hw_addr;
    bool        found_active;
    bool        any_assoc;
    enum nl80211_iftype opmode;
    int n_stas;
};

void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif);
bool ath5k_any_vif_assoc(struct ath5k_hw *ah);

int ath5k_start(struct ieee80211_hw *hw);
void ath5k_stop(struct ieee80211_hw *hw);

void ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf);
int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
void ath5k_beacon_config(struct ath5k_hw *ah);
void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);

void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
                    struct ieee80211_vif *vif);
int ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan);
void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
            struct ath5k_txq *txq);

const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);

int ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops);
void ath5k_deinit_ah(struct ath5k_hw *ah);

/* Check whether BSSID mask is supported */
#define ath5k_hw_hasbssidmask(_ah) (ah->ah_version == AR5K_AR5212)

/* Check whether virtual EOL is supported */
#define ath5k_hw_hasveol(_ah) (ah->ah_version != AR5K_AR5210)

#endif  /* _DEV_ATH5K_BASE_H */