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/* $OpenBSD: if_mtwvar.h,v 1.1 2021/12/20 13:59:02 hastings Exp $ */
/*
* Copyright (c) 2008,2009 Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define MTW_MAX_RXSZ \
4096
#if 0
(sizeof (uint32_t) + \
sizeof (struct mtw_rxwi) + \
sizeof (uint16_t) + \
MCLBYTES + \
sizeof (struct mtw_rxd))
#endif
/* NB: "11" is the maximum number of padding bytes needed for Tx */
#define MTW_MAX_TXSZ \
(sizeof (struct mtw_txd) + \
sizeof (struct mtw_txwi) + \
MCLBYTES + 11)
#define MTW_TX_TIMEOUT 5000 /* ms */
#define MTW_RX_RING_COUNT 1
#define MTW_TX_RING_COUNT 8
#define MTW_RXQ_COUNT 2
#define MTW_TXQ_COUNT 6
#define MTW_WCID_MAX 8
#define MTW_AID2WCID(aid) (1 + ((aid) & 0x7))
struct mtw_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_dbm_antsignal;
uint8_t wr_antenna;
uint8_t wr_antsignal;
} __packed;
#define MTW_RX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_RATE | \
1 << IEEE80211_RADIOTAP_CHANNEL | \
1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL | \
1 << IEEE80211_RADIOTAP_ANTENNA | \
1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
struct mtw_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint8_t wt_rate;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
} __packed;
#define MTW_TX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_RATE | \
1 << IEEE80211_RADIOTAP_CHANNEL)
struct mtw_softc;
struct mtw_tx_data {
struct mtw_softc *sc;
struct usbd_xfer *xfer;
uint8_t *buf;
uint8_t qid;
};
struct mtw_rx_data {
struct mtw_softc *sc;
struct usbd_xfer *xfer;
uint8_t *buf;
};
struct mtw_tx_ring {
struct mtw_tx_data data[MTW_TX_RING_COUNT];
struct usbd_pipe *pipeh;
int cur;
int queued;
uint8_t pipe_no;
};
struct mtw_rx_ring {
struct mtw_rx_data data[MTW_RX_RING_COUNT];
struct usbd_pipe *pipeh;
uint8_t pipe_no;
};
struct mtw_host_cmd {
void (*cb)(struct mtw_softc *, void *);
uint8_t data[256];
};
struct mtw_cmd_newstate {
enum ieee80211_state state;
int arg;
};
struct mtw_cmd_key {
struct ieee80211_key key;
struct ieee80211_node *ni;
};
#define MTW_HOST_CMD_RING_COUNT 32
struct mtw_host_cmd_ring {
struct mtw_host_cmd cmd[MTW_HOST_CMD_RING_COUNT];
int cur;
int next;
int queued;
};
struct mtw_node {
struct ieee80211_node ni;
struct ieee80211_ra_node rn;
uint8_t ridx[IEEE80211_RATE_MAXSIZE];
uint8_t ctl_ridx[IEEE80211_RATE_MAXSIZE];
};
struct mtw_mcu_tx {
struct mtw_softc *sc;
struct usbd_xfer *xfer;
struct usbd_pipe *pipeh;
uint8_t pipe_no;
uint8_t *buf;
uint8_t seq;
};
#define MTW_MCU_IVB_LEN 0x40
struct mtw_ucode_hdr {
uint32_t ilm_len;
uint32_t dlm_len;
uint16_t build_ver;
uint16_t fw_ver;
uint8_t pad[4];
char build_time[16];
} __packed;
struct mtw_ucode {
struct mtw_ucode_hdr hdr;
uint8_t ivb[MTW_MCU_IVB_LEN];
uint8_t data[];
} __packed;
struct mtw_softc {
struct device sc_dev;
struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
int (*sc_srom_read)(struct mtw_softc *,
uint16_t, uint16_t *);
struct usbd_device *sc_udev;
struct usbd_interface *sc_iface;
uint16_t asic_ver;
uint16_t asic_rev;
uint16_t mac_ver;
uint16_t mac_rev;
uint16_t rf_rev;
uint8_t freq;
uint8_t ntxchains;
uint8_t nrxchains;
int fixed_ridx;
uint8_t rfswitch;
uint8_t ext_2ghz_lna;
uint8_t ext_5ghz_lna;
uint8_t calib_2ghz;
uint8_t calib_5ghz;
uint8_t txmixgain_2ghz;
uint8_t txmixgain_5ghz;
int8_t txpow1[54];
int8_t txpow2[54];
int8_t txpow3[54];
int8_t rssi_2ghz[3];
int8_t rssi_5ghz[3];
uint8_t lna[4];
uint8_t leds;
uint16_t led[3];
uint32_t txpow20mhz[5];
uint32_t txpow40mhz_2ghz[5];
uint32_t txpow40mhz_5ghz[5];
int8_t bbp_temp;
uint8_t rf_freq_offset;
uint32_t rf_pa_mode[2];
int sc_rf_calibrated;
int sc_bw_calibrated;
int sc_chan_group;
struct usb_task sc_task;
struct ieee80211_amrr amrr;
struct ieee80211_amrr_node amn;
struct timeout scan_to;
struct timeout calib_to;
uint8_t cmd_seq;
struct mtw_tx_ring sc_mcu;
struct mtw_rx_ring rxq[MTW_RXQ_COUNT];
struct mtw_tx_ring txq[MTW_TXQ_COUNT];
struct mtw_host_cmd_ring cmdq;
uint8_t qfullmsk;
int sc_tx_timer;
#if NBPFILTER > 0
caddr_t sc_drvbpf;
union {
struct mtw_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;
union {
struct mtw_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
#endif
int sc_key_tasks;
};
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