/* $FreeBSD$ */
/*-
* Copyright (c) 2005
* 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 RAL_TX_LIST_COUNT 8
#define RAL_TX_MINFREE 2
#define URAL_SCAN_START 1
#define URAL_SCAN_END 2
#define URAL_SET_CHANNEL 3
struct ural_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;
int8_t wr_antsignal;
int8_t wr_antnoise;
uint8_t wr_antenna;
} __packed __aligned(8);
#define RAL_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
struct ural_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;
uint8_t wt_antenna;
} __packed __aligned(8);
#define RAL_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA))
struct ural_softc;
struct ural_tx_data {
STAILQ_ENTRY(ural_tx_data) next;
struct ural_softc *sc;
struct ural_tx_desc desc;
struct mbuf *m;
struct ieee80211_node *ni;
int rate;
};
typedef STAILQ_HEAD(, ural_tx_data) ural_txdhead;
struct ural_vap {
struct ieee80211vap vap;
struct usb_callout ratectl_ch;
struct task ratectl_task;
int (*newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define URAL_VAP(vap) ((struct ural_vap *)(vap))
enum {
URAL_BULK_WR,
URAL_BULK_RD,
URAL_N_TRANSFER = 2,
};
struct ural_softc {
struct ieee80211com sc_ic;
struct ieee80211_ratectl_tx_stats sc_txs;
struct mbufq sc_snd;
device_t sc_dev;
struct usb_device *sc_udev;
uint32_t asic_rev;
uint8_t rf_rev;
struct usb_xfer *sc_xfer[URAL_N_TRANSFER];
struct ural_tx_data tx_data[RAL_TX_LIST_COUNT];
ural_txdhead tx_q;
ural_txdhead tx_free;
int tx_nfree;
struct ural_rx_desc sc_rx_desc;
struct mtx sc_mtx;
uint16_t sta[11];
uint32_t rf_regs[4];
uint8_t txpow[14];
u_int sc_detached:1,
sc_running:1;
uint8_t sc_bssid[IEEE80211_ADDR_LEN];
struct {
uint8_t val;
uint8_t reg;
} __packed bbp_prom[16];
int led_mode;
int hw_radio;
int rx_ant;
int tx_ant;
int nb_ant;
struct ural_rx_radiotap_header sc_rxtap;
struct ural_tx_radiotap_header sc_txtap;
};
#define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
#define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
#define RAL_LOCK_ASSERT(sc, t) mtx_assert(&(sc)->sc_mtx, t)
