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211f5859af
debugfs uses the hardware for several debugfs files as such the hardware must be initialized and available prior to its usage. The same applies to when we free the hw structs -- free debufs file entries prior to free'ing the hardware. Reported-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
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* Copyright (c) 2008-2009 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef ATH_H
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#define ATH_H
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#include <linux/skbuff.h>
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#include <linux/if_ether.h>
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#include <net/mac80211.h>
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static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
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enum ath_device_state {
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ATH_HW_UNAVAILABLE,
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ATH_HW_INITIALIZED,
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};
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struct reg_dmn_pair_mapping {
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u16 regDmnEnum;
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u16 reg_5ghz_ctl;
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u16 reg_2ghz_ctl;
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};
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struct ath_regulatory {
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char alpha2[2];
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u16 country_code;
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u16 max_power_level;
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u32 tp_scale;
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u16 current_rd;
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u16 current_rd_ext;
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int16_t power_limit;
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struct reg_dmn_pair_mapping *regpair;
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};
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struct ath_ops {
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unsigned int (*read)(void *, u32 reg_offset);
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void (*write)(void *, u32 val, u32 reg_offset);
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};
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struct ath_common;
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struct ath_bus_ops {
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void (*read_cachesize)(struct ath_common *common, int *csz);
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void (*cleanup)(struct ath_common *common);
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bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
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void (*bt_coex_prep)(struct ath_common *common);
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};
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struct ath_common {
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void *ah;
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void *priv;
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struct ieee80211_hw *hw;
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int debug_mask;
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enum ath_device_state state;
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u16 cachelsz;
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u16 curaid;
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u8 macaddr[ETH_ALEN];
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u8 curbssid[ETH_ALEN];
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u8 bssidmask[ETH_ALEN];
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u8 tx_chainmask;
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u8 rx_chainmask;
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struct ath_regulatory regulatory;
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const struct ath_ops *ops;
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const struct ath_bus_ops *bus_ops;
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};
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struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
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u32 len,
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gfp_t gfp_mask);
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void ath_hw_setbssidmask(struct ath_common *common);
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#endif /* ATH_H */
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