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/* $FreeBSD$ */
/*-
* 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.
*/
struct ral_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint64_t wr_tsf;
uint8_t wr_flags;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_antenna;
uint8_t wr_antsignal;
};
#define RAL_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
struct ral_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;
};
#define RAL_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA))
struct ral_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
struct ral_rssdesc id;
};
struct ral_tx_ring {
bus_dma_tag_t desc_dmat;
bus_dma_tag_t data_dmat;
bus_dmamap_t desc_map;
bus_addr_t physaddr;
struct ral_tx_desc *desc;
struct ral_tx_data *data;
int count;
int queued;
int cur;
int next;
int cur_encrypt;
int next_encrypt;
};
struct ral_rx_data {
bus_dmamap_t map;
struct mbuf *m;
int drop;
};
struct ral_rx_ring {
bus_dma_tag_t desc_dmat;
bus_dma_tag_t data_dmat;
bus_dmamap_t desc_map;
bus_addr_t physaddr;
struct ral_rx_desc *desc;
struct ral_rx_data *data;
int count;
int cur;
int next;
int cur_decrypt;
};
struct ral_node {
struct ieee80211_node ni;
struct ral_rssadapt rssadapt;
};
struct ral_softc {
struct ifnet *sc_ifp;
struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
device_t sc_dev;
struct mtx sc_mtx;
struct callout scan_ch;
struct callout rssadapt_ch;
int irq_rid;
int mem_rid;
struct resource *irq;
struct resource *mem;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
void *sc_ih;
int sc_tx_timer;
uint32_t asic_rev;
uint32_t eeprom_rev;
uint8_t rf_rev;
struct ral_tx_ring txq;
struct ral_tx_ring prioq;
struct ral_tx_ring atimq;
struct ral_tx_ring bcnq;
struct ral_rx_ring rxq;
struct ieee80211_beacon_offsets sc_bo;
uint32_t rf_regs[4];
uint8_t txpow[14];
struct {
uint8_t reg;
uint8_t val;
} bbp_prom[16];
int led_mode;
int hw_radio;
int rx_ant;
int tx_ant;
int nb_ant;
int dwelltime;
struct bpf_if *sc_drvbpf;
union {
struct ral_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;
union {
struct ral_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
};
extern devclass_t ral_devclass;
int ral_attach(device_t);
int ral_detach(device_t);
void ral_shutdown(device_t);
int ral_alloc(device_t, int);
void ral_free(device_t);
void ral_stop(void *);
#define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
#define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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