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freebsd-nq/sys/dev/bwi/if_bwivar.h
Rui Paulo b6108616ac net80211 rate control framework (net80211 ratectl). 
This framework allows drivers to abstract the rate control algorithm and
just feed the framework with the usable parameters. The rate control
framework will now deal with passing the parameters to the selected
algorithm. Right now we have AMRR (the default) and RSSADAPT but there's
no way to select one with ifconfig, yet.
The objective is to have more rate control algorithms in the net80211
stack so all drivers[0] can use it. Ideally, we'll have the well-known
sample rate control algorithm in the net80211 at some point so all
drivers can use it (not just ath).

[0] all drivers that do rate control in software, that is.

Reviewed by:	bschmidt, thompsa, weyongo
MFC after:	1 months
2010-04-07 15:29:13 +00:00

704 lines
18 KiB
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/*
* Copyright (c) 2007 The DragonFly Project. All rights reserved.
*
* This code is derived from software contributed to The DragonFly Project
* by Sepherosa Ziehau <sepherosa@gmail.com>
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of The DragonFly Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific, prior written permission.
*
* 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 MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, 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 DAMAGE.
*
* $DragonFly: src/sys/dev/netif/bwi/if_bwivar.h,v 1.14 2008/02/15 11:15:38 sephe Exp $
* $FreeBSD$
*/
#ifndef _IF_BWIVAR_H
#define _IF_BWIVAR_H
#define BWI_ALIGN 0x1000
#define BWI_RING_ALIGN BWI_ALIGN
#define BWI_BUS_SPACE_MAXADDR 0x3fffffff
#define BWI_TX_NRING 6
#define BWI_TXRX_NRING 6
#define BWI_TX_NDESC 128
#define BWI_RX_NDESC 64
#define BWI_TXSTATS_NDESC 64
#define BWI_TX_NSPRDESC 2
#define BWI_TX_DATA_RING 1
/* XXX Onoe/Sample/AMRR probably need different configuration */
#define BWI_SHRETRY 7
#define BWI_LGRETRY 4
#define BWI_SHRETRY_FB 3
#define BWI_LGRETRY_FB 2
#define BWI_LED_EVENT_NONE -1
#define BWI_LED_EVENT_POLL 0
#define BWI_LED_EVENT_TX 1
#define BWI_LED_EVENT_RX 2
#define BWI_LED_SLOWDOWN(dur) (dur) = (((dur) * 3) / 2)
enum bwi_txpwrcb_type {
BWI_TXPWR_INIT = 0,
BWI_TXPWR_FORCE = 1,
BWI_TXPWR_CALIB = 2
};
#define BWI_NOISE_FLOOR -95 /* TODO: noise floor calc */
#define BWI_FRAME_MIN_LEN(hdr) \
((hdr) + sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
#define CSR_READ_4(sc, reg) \
bus_space_read_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
#define CSR_READ_2(sc, reg) \
bus_space_read_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
#define CSR_SETBITS_4(sc, reg, bits) \
CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) | (bits))
#define CSR_SETBITS_2(sc, reg, bits) \
CSR_WRITE_2((sc), (reg), CSR_READ_2((sc), (reg)) | (bits))
#define CSR_FILT_SETBITS_4(sc, reg, filt, bits) \
CSR_WRITE_4((sc), (reg), (CSR_READ_4((sc), (reg)) & (filt)) | (bits))
#define CSR_FILT_SETBITS_2(sc, reg, filt, bits) \
CSR_WRITE_2((sc), (reg), (CSR_READ_2((sc), (reg)) & (filt)) | (bits))
#define CSR_CLRBITS_4(sc, reg, bits) \
CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) & ~(bits))
#define CSR_CLRBITS_2(sc, reg, bits) \
CSR_WRITE_2((sc), (reg), CSR_READ_2((sc), (reg)) & ~(bits))
#ifdef BWI_DEBUG
#define DPRINTF(sc, dbg, fmt, ...) \
do { \
if ((sc)->sc_debug & (dbg)) \
device_printf((sc)->sc_dev, fmt, __VA_ARGS__); \
} while (0)
#define _DPRINTF(sc, dbg, fmt, ...) \
do { \
if ((sc)->sc_debug & (dbg)) \
printf(fmt, __VA_ARGS__); \
} while (0)
#else /* !BWI_DEBUG */
#define DPRINTF(sc, dbg, fmt, ...) ((void)0)
#define _DPRINTF(sc, dbg, fmt, ...) ((void)0)
#endif /* BWI_DEBUG */
struct bwi_desc32 {
/* Little endian */
uint32_t ctrl;
uint32_t addr; /* BWI_DESC32_A_ */
} __packed;
#define BWI_DESC32_A_FUNC_TXRX 0x1
#define BWI_DESC32_A_FUNC_MASK __BITS(31, 30)
#define BWI_DESC32_A_ADDR_MASK __BITS(29, 0)
#define BWI_DESC32_C_BUFLEN_MASK __BITS(12, 0)
#define BWI_DESC32_C_ADDRHI_MASK __BITS(17, 16)
#define BWI_DESC32_C_EOR __BIT(28)
#define BWI_DESC32_C_INTR __BIT(29)
#define BWI_DESC32_C_FRAME_END __BIT(30)
#define BWI_DESC32_C_FRAME_START __BIT(31)
struct bwi_desc64 {
/* Little endian */
uint32_t ctrl0;
uint32_t ctrl1;
uint32_t addr_lo;
uint32_t addr_hi;
} __packed;
struct bwi_rxbuf_hdr {
/* Little endian */
uint16_t rxh_buflen; /* exclude bwi_rxbuf_hdr */
uint8_t rxh_pad1[2];
uint16_t rxh_flags1; /* BWI_RXH_F1_ */
uint8_t rxh_rssi;
uint8_t rxh_sq;
uint16_t rxh_phyinfo; /* BWI_RXH_PHYINFO_ */
uint16_t rxh_flags3; /* BWI_RXH_F3_ */
uint16_t rxh_flags2; /* BWI_RXH_F2_ */
uint16_t rxh_tsf;
uint8_t rxh_pad3[14]; /* Padded to 30bytes */
} __packed;
#define BWI_RXH_F1_BCM2053_RSSI __BIT(14)
#define BWI_RXH_F1_SHPREAMBLE __BIT(7)
#define BWI_RXH_F1_OFDM __BIT(0)
#define BWI_RXH_F2_TYPE2FRAME __BIT(2)
#define BWI_RXH_F3_BCM2050_RSSI __BIT(10)
#define BWI_RXH_PHYINFO_LNAGAIN __BITS(15, 14)
struct bwi_txbuf_hdr {
/* Little endian */
uint32_t txh_mac_ctrl; /* BWI_TXH_MAC_C_ */
uint8_t txh_fc[2];
uint16_t txh_unknown1;
uint16_t txh_phy_ctrl; /* BWI_TXH_PHY_C_ */
uint8_t txh_ivs[16];
uint8_t txh_addr1[IEEE80211_ADDR_LEN];
uint16_t txh_unknown2;
uint8_t txh_rts_fb_plcp[4];
uint16_t txh_rts_fb_duration;
uint8_t txh_fb_plcp[4];
uint16_t txh_fb_duration;
uint8_t txh_pad2[2];
uint16_t txh_id; /* BWI_TXH_ID_ */
uint16_t txh_unknown3;
uint8_t txh_rts_plcp[6];
uint8_t txh_rts_fc[2];
uint16_t txh_rts_duration;
uint8_t txh_rts_ra[IEEE80211_ADDR_LEN];
uint8_t txh_rts_ta[IEEE80211_ADDR_LEN];
uint8_t txh_pad3[2];
uint8_t txh_plcp[6];
} __packed;
#define BWI_TXH_ID_RING_MASK __BITS(15, 13)
#define BWI_TXH_ID_IDX_MASK __BITS(12, 0)
#define BWI_TXH_PHY_C_OFDM __BIT(0)
#define BWI_TXH_PHY_C_SHPREAMBLE __BIT(4)
#define BWI_TXH_PHY_C_ANTMODE_MASK __BITS(9, 8)
#define BWI_TXH_MAC_C_ACK __BIT(0)
#define BWI_TXH_MAC_C_FIRST_FRAG __BIT(3)
#define BWI_TXH_MAC_C_HWSEQ __BIT(4)
#define BWI_TXH_MAC_C_FB_OFDM __BIT(8)
struct bwi_txstats {
/* Little endian */
uint8_t txs_pad1[4];
uint16_t txs_id;
uint8_t txs_flags; /* BWI_TXS_F_ */
uint8_t txs_txcnt; /* BWI_TXS_TXCNT_ */
uint8_t txs_pad2[2];
uint16_t txs_seq;
uint16_t txs_unknown;
uint8_t txs_pad3[2]; /* Padded to 16bytes */
} __packed;
#define BWI_TXS_TXCNT_DATA __BITS(7, 4)
#define BWI_TXS_F_ACKED __BIT(0)
#define BWI_TXS_F_PENDING __BIT(5)
struct bwi_ring_data {
uint32_t rdata_txrx_ctrl;
bus_dmamap_t rdata_dmap;
bus_addr_t rdata_paddr;
void *rdata_desc;
};
struct bwi_txbuf {
struct mbuf *tb_mbuf;
bus_dmamap_t tb_dmap;
struct ieee80211_node *tb_ni;
int tb_rate[2];
};
struct bwi_txbuf_data {
struct bwi_txbuf tbd_buf[BWI_TX_NDESC];
int tbd_used;
int tbd_idx;
};
struct bwi_rxbuf {
struct mbuf *rb_mbuf;
bus_addr_t rb_paddr;
bus_dmamap_t rb_dmap;
};
struct bwi_rxbuf_data {
struct bwi_rxbuf rbd_buf[BWI_RX_NDESC];
bus_dmamap_t rbd_tmp_dmap;
int rbd_idx;
};
struct bwi_txstats_data {
bus_dma_tag_t stats_ring_dtag;
bus_dmamap_t stats_ring_dmap;
bus_addr_t stats_ring_paddr;
void *stats_ring;
bus_dma_tag_t stats_dtag;
bus_dmamap_t stats_dmap;
bus_addr_t stats_paddr;
struct bwi_txstats *stats;
uint32_t stats_ctrl_base;
int stats_idx;
};
struct bwi_fwhdr {
/* Big endian */
uint8_t fw_type; /* BWI_FW_T_ */
uint8_t fw_gen; /* BWI_FW_GEN */
uint8_t fw_pad[2];
uint32_t fw_size;
#define fw_iv_cnt fw_size
} __packed;
#define BWI_FWHDR_SZ sizeof(struct bwi_fwhdr)
#define BWI_FW_T_UCODE 'u'
#define BWI_FW_T_PCM 'p'
#define BWI_FW_T_IV 'i'
#define BWI_FW_GEN_1 1
#define BWI_FW_VERSION3 3
#define BWI_FW_VERSION4 4
#define BWI_FW_VERSION3_REVMAX 0x128
#define BWI_FW_PATH "bwi_v%d_"
#define BWI_FW_STUB_PATH BWI_FW_PATH "ucode"
#define BWI_FW_UCODE_PATH BWI_FW_PATH "ucode%d"
#define BWI_FW_PCM_PATH BWI_FW_PATH "pcm%d"
#define BWI_FW_IV_PATH BWI_FW_PATH "b0g0initvals%d"
#define BWI_FW_IV_EXT_PATH BWI_FW_PATH "b0g0bsinitvals%d"
struct bwi_fw_iv {
/* Big endian */
uint16_t iv_ofs;
union {
uint32_t val32;
uint16_t val16;
} iv_val;
} __packed;
#define BWI_FW_IV_OFS_MASK __BITS(14, 0)
#define BWI_FW_IV_IS_32BIT __BIT(15)
struct bwi_led {
uint8_t l_flags; /* BWI_LED_F_ */
uint8_t l_act; /* BWI_LED_ACT_ */
uint8_t l_mask;
};
#define BWI_LED_F_ACTLOW 0x1
#define BWI_LED_F_BLINK 0x2
#define BWI_LED_F_POLLABLE 0x4
#define BWI_LED_F_SLOW 0x8
enum bwi_clock_mode {
BWI_CLOCK_MODE_SLOW,
BWI_CLOCK_MODE_FAST,
BWI_CLOCK_MODE_DYN
};
struct bwi_regwin {
uint32_t rw_flags; /* BWI_REGWIN_F_ */
uint16_t rw_type; /* BWI_REGWIN_T_ */
uint8_t rw_id;
uint8_t rw_rev;
};
#define BWI_REGWIN_F_EXIST 0x1
#define BWI_CREATE_REGWIN(rw, id, type, rev) \
do { \
(rw)->rw_flags = BWI_REGWIN_F_EXIST; \
(rw)->rw_type = (type); \
(rw)->rw_id = (id); \
(rw)->rw_rev = (rev); \
} while (0)
#define BWI_REGWIN_EXIST(rw) ((rw)->rw_flags & BWI_REGWIN_F_EXIST)
#define BWI_GPIO_REGWIN(sc) \
(BWI_REGWIN_EXIST(&(sc)->sc_com_regwin) ? \
&(sc)->sc_com_regwin : &(sc)->sc_bus_regwin)
struct bwi_mac;
struct bwi_phy {
enum ieee80211_phymode phy_mode;
int phy_rev;
int phy_version;
uint32_t phy_flags; /* BWI_PHY_F_ */
uint16_t phy_tbl_ctrl;
uint16_t phy_tbl_data_lo;
uint16_t phy_tbl_data_hi;
void (*phy_init)(struct bwi_mac *);
};
#define BWI_PHY_F_CALIBRATED 0x1
#define BWI_PHY_F_LINKED 0x2
#define BWI_CLEAR_PHY_FLAGS (BWI_PHY_F_CALIBRATED)
/* TX power control */
struct bwi_tpctl {
uint16_t bbp_atten; /* BBP attenuation: 4bits */
uint16_t rf_atten; /* RF attenuation */
uint16_t tp_ctrl1; /* ??: 3bits */
uint16_t tp_ctrl2; /* ??: 4bits */
};
#define BWI_RF_ATTEN_FACTOR 4
#define BWI_RF_ATTEN_MAX0 9
#define BWI_RF_ATTEN_MAX1 31
#define BWI_BBP_ATTEN_MAX 11
#define BWI_TPCTL1_MAX 7
struct bwi_rf_lo {
int8_t ctrl_lo;
int8_t ctrl_hi;
};
struct bwi_rf {
uint16_t rf_type; /* BWI_RF_T_ */
uint16_t rf_manu;
int rf_rev;
uint32_t rf_flags; /* BWI_RF_F_ */
#define BWI_RFLO_MAX 56
struct bwi_rf_lo rf_lo[BWI_RFLO_MAX];
uint8_t rf_lo_used[8];
#define BWI_INVALID_NRSSI -1000
int16_t rf_nrssi[2]; /* Narrow RSSI */
int32_t rf_nrssi_slope;
#define BWI_NRSSI_TBLSZ 64
int8_t rf_nrssi_table[BWI_NRSSI_TBLSZ];
uint16_t rf_lo_gain; /* loopback gain */
uint16_t rf_rx_gain; /* TRSW RX gain */
uint16_t rf_calib; /* RF calibration value */
u_int rf_curchan; /* current channel */
uint16_t rf_ctrl_rd;
int rf_ctrl_adj;
void (*rf_off)(struct bwi_mac *);
void (*rf_on)(struct bwi_mac *);
void (*rf_set_nrssi_thr)(struct bwi_mac *);
void (*rf_calc_nrssi_slope)(struct bwi_mac *);
int (*rf_calc_rssi)
(struct bwi_mac *,
const struct bwi_rxbuf_hdr *);
int (*rf_calc_noise)(struct bwi_mac *);
void (*rf_lo_update)(struct bwi_mac *);
#define BWI_TSSI_MAX 64
int8_t rf_txpower_map0[BWI_TSSI_MAX];
/* Indexed by TSSI */
int rf_idle_tssi0;
int8_t rf_txpower_map[BWI_TSSI_MAX];
int rf_idle_tssi;
int rf_base_tssi;
int rf_txpower_max; /* dBm */
int rf_ant_mode; /* BWI_ANT_MODE_ */
};
#define BWI_RF_F_INITED 0x1
#define BWI_RF_F_ON 0x2
#define BWI_RF_CLEAR_FLAGS (BWI_RF_F_INITED)
#define BWI_ANT_MODE_0 0
#define BWI_ANT_MODE_1 1
#define BWI_ANT_MODE_UNKN 2
#define BWI_ANT_MODE_AUTO 3
struct bwi_softc;
struct firmware;
struct bwi_mac {
struct bwi_regwin mac_regwin; /* MUST be first field */
#define mac_rw_flags mac_regwin.rw_flags
#define mac_type mac_regwin.rw_type
#define mac_id mac_regwin.rw_id
#define mac_rev mac_regwin.rw_rev
struct bwi_softc *mac_sc;
struct bwi_phy mac_phy; /* PHY I/F */
struct bwi_rf mac_rf; /* RF I/F */
struct bwi_tpctl mac_tpctl; /* TX power control */
uint32_t mac_flags; /* BWI_MAC_F_ */
const struct firmware *mac_stub;
const struct firmware *mac_ucode;
const struct firmware *mac_pcm;
const struct firmware *mac_iv;
const struct firmware *mac_iv_ext;
};
#define BWI_MAC_F_BSWAP 0x1
#define BWI_MAC_F_TPCTL_INITED 0x2
#define BWI_MAC_F_HAS_TXSTATS 0x4
#define BWI_MAC_F_INITED 0x8
#define BWI_MAC_F_ENABLED 0x10
#define BWI_MAC_F_LOCKED 0x20 /* for debug */
#define BWI_MAC_F_TPCTL_ERROR 0x40
#define BWI_MAC_F_PHYE_RESET 0x80
#define BWI_CREATE_MAC(mac, sc, id, rev) \
do { \
BWI_CREATE_REGWIN(&(mac)->mac_regwin, \
(id), \
BWI_REGWIN_T_MAC, \
(rev)); \
(mac)->mac_sc = (sc); \
} while (0)
#define BWI_MAC_MAX 2
#define BWI_LED_MAX 4
enum bwi_bus_space {
BWI_BUS_SPACE_30BIT = 1,
BWI_BUS_SPACE_32BIT,
BWI_BUS_SPACE_64BIT
};
#define BWI_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
struct bwi_tx_radiotap_hdr {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint8_t wt_rate;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
};
#define BWI_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
struct bwi_rx_radiotap_hdr {
struct ieee80211_radiotap_header wr_ihdr;
uint64_t wr_tsf;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
int8_t wr_antsignal;
int8_t wr_antnoise;
/* TODO: sq */
};
struct bwi_vap {
struct ieee80211vap bv_vap;
int (*bv_newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define BWI_VAP(vap) ((struct bwi_vap *)(vap))
struct bwi_softc {
struct ifnet *sc_ifp;
uint32_t sc_flags; /* BWI_F_ */
device_t sc_dev;
struct mtx sc_mtx;
int sc_invalid;
uint32_t sc_cap; /* BWI_CAP_ */
uint16_t sc_bbp_id; /* BWI_BBPID_ */
uint8_t sc_bbp_rev;
uint8_t sc_bbp_pkg;
uint8_t sc_pci_revid;
uint16_t sc_pci_did;
uint16_t sc_pci_subvid;
uint16_t sc_pci_subdid;
uint16_t sc_card_flags; /* BWI_CARD_F_ */
uint16_t sc_pwron_delay;
int sc_locale;
int sc_irq_rid;
struct resource *sc_irq_res;
void *sc_irq_handle;
int sc_mem_rid;
struct resource *sc_mem_res;
bus_space_tag_t sc_mem_bt;
bus_space_handle_t sc_mem_bh;
struct callout sc_calib_ch;
struct callout sc_watchdog_timer;
struct bwi_regwin *sc_cur_regwin;
struct bwi_regwin sc_com_regwin;
struct bwi_regwin sc_bus_regwin;
int sc_nmac;
struct bwi_mac sc_mac[BWI_MAC_MAX];
int sc_rx_rate;
int sc_tx_rate;
enum bwi_txpwrcb_type sc_txpwrcb_type;
int sc_led_blinking;
int sc_led_ticks;
struct bwi_led *sc_blink_led;
struct callout sc_led_blink_ch;
int sc_led_blink_offdur;
struct bwi_led sc_leds[BWI_LED_MAX];
enum bwi_bus_space sc_bus_space;
bus_dma_tag_t sc_parent_dtag;
bus_dma_tag_t sc_buf_dtag;
struct bwi_txbuf_data sc_tx_bdata[BWI_TX_NRING];
struct bwi_rxbuf_data sc_rx_bdata;
bus_dma_tag_t sc_txring_dtag;
struct bwi_ring_data sc_tx_rdata[BWI_TX_NRING];
bus_dma_tag_t sc_rxring_dtag;
struct bwi_ring_data sc_rx_rdata;
struct bwi_txstats_data *sc_txstats;
int sc_tx_timer;
const struct ieee80211_rate_table *sc_rates;
struct bwi_tx_radiotap_hdr sc_tx_th;
struct bwi_rx_radiotap_hdr sc_rx_th;
struct taskqueue *sc_tq;
struct task sc_restart_task;
int (*sc_init_tx_ring)(struct bwi_softc *, int);
void (*sc_free_tx_ring)(struct bwi_softc *, int);
int (*sc_init_rx_ring)(struct bwi_softc *);
void (*sc_free_rx_ring)(struct bwi_softc *);
int (*sc_init_txstats)(struct bwi_softc *);
void (*sc_free_txstats)(struct bwi_softc *);
void (*sc_setup_rxdesc)
(struct bwi_softc *, int, bus_addr_t, int);
int (*sc_rxeof)(struct bwi_softc *);
void (*sc_setup_txdesc)
(struct bwi_softc *, struct bwi_ring_data *,
int, bus_addr_t, int);
void (*sc_start_tx)
(struct bwi_softc *, uint32_t, int);
void (*sc_txeof_status)(struct bwi_softc *);
/* Sysctl variables */
int sc_fw_version; /* BWI_FW_VERSION[34] */
int sc_dwell_time; /* milliseconds */
int sc_led_idle;
int sc_led_blink;
int sc_txpwr_calib;
uint32_t sc_debug; /* BWI_DBG_ */
};
#define BWI_F_BUS_INITED 0x1
#define BWI_F_PROMISC 0x2
#define BWI_F_STOP 0x4
#define BWI_DBG_MAC 0x00000001
#define BWI_DBG_RF 0x00000002
#define BWI_DBG_PHY 0x00000004
#define BWI_DBG_MISC 0x00000008
#define BWI_DBG_ATTACH 0x00000010
#define BWI_DBG_INIT 0x00000020
#define BWI_DBG_FIRMWARE 0x00000040
#define BWI_DBG_80211 0x00000080
#define BWI_DBG_TXPOWER 0x00000100
#define BWI_DBG_INTR 0x00000200
#define BWI_DBG_RX 0x00000400
#define BWI_DBG_TX 0x00000800
#define BWI_DBG_TXEOF 0x00001000
#define BWI_DBG_LED 0x00002000
#define BWI_LOCK_INIT(sc) \
mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \
MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE)
#define BWI_LOCK_DESTROY(sc) mtx_destroy(&(sc)->sc_mtx)
#define BWI_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
#define BWI_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
#define BWI_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
int bwi_attach(struct bwi_softc *);
int bwi_detach(struct bwi_softc *);
void bwi_suspend(struct bwi_softc *);
void bwi_resume(struct bwi_softc *);
int bwi_shutdown(struct bwi_softc *);
void bwi_intr(void *);
int bwi_bus_init(struct bwi_softc *, struct bwi_mac *mac);
uint16_t bwi_read_sprom(struct bwi_softc *, uint16_t);
int bwi_regwin_switch(struct bwi_softc *, struct bwi_regwin *,
struct bwi_regwin **);
int bwi_regwin_is_enabled(struct bwi_softc *, struct bwi_regwin *);
void bwi_regwin_enable(struct bwi_softc *, struct bwi_regwin *,
uint32_t);
void bwi_regwin_disable(struct bwi_softc *, struct bwi_regwin *,
uint32_t);
#define abs(a) __builtin_abs(a)
/* XXX does not belong here */
struct ieee80211_ds_plcp_hdr {
uint8_t i_signal;
uint8_t i_service;
uint16_t i_length;
uint16_t i_crc;
} __packed;
#endif /* !_IF_BWIVAR_H */
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