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/* $FreeBSD$ */
/*-
* Copyright (c) 2006,2007
* 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.
*/
#include <net80211/ieee80211_amrr.h>
struct wpi_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint64_t wr_tsft;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
int8_t wr_dbm_antsignal;
int8_t wr_dbm_antnoise;
uint8_t wr_antenna;
};
#define WPI_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) | \
(1 << IEEE80211_RADIOTAP_ANTENNA))
struct wpi_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_hwqueue;
};
#define WPI_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
struct wpi_dma_info {
bus_dma_tag_t tag;
bus_dmamap_t map;
bus_addr_t paddr; /* aligned p address */
bus_addr_t paddr_start; /* possibly unaligned p start*/
caddr_t vaddr; /* aligned v address */
caddr_t vaddr_start; /* possibly unaligned v start */
bus_size_t size;
};
struct wpi_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};
struct wpi_tx_ring {
struct wpi_dma_info desc_dma;
struct wpi_dma_info cmd_dma;
struct wpi_tx_desc *desc;
struct wpi_tx_cmd *cmd;
struct wpi_tx_data *data;
bus_dma_tag_t data_dmat;
int qid;
int count;
int queued;
int cur;
};
#define WPI_RBUF_COUNT ( WPI_RX_RING_COUNT + 16 )
struct wpi_rx_data {
bus_dmamap_t map;
struct mbuf *m;
};
struct wpi_rx_ring {
struct wpi_dma_info desc_dma;
uint32_t *desc;
struct wpi_rx_data data[WPI_RX_RING_COUNT];
bus_dma_tag_t data_dmat;
int cur;
};
struct wpi_amrr {
struct ieee80211_node ni; /* must be the first */
int txcnt;
int retrycnt;
int success;
int success_threshold;
int recovery;
};
struct wpi_power_sample {
uint8_t index;
int8_t power;
};
struct wpi_power_group {
#define WPI_SAMPLES_COUNT 5
struct wpi_power_sample samples[WPI_SAMPLES_COUNT];
uint8_t chan;
int8_t maxpwr;
int16_t temp;
};
struct wpi_vap {
struct ieee80211vap vap;
int (*newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define WPI_VAP(vap) ((struct wpi_vap *)(vap))
struct wpi_softc {
device_t sc_dev;
struct ifnet *sc_ifp;
struct mtx sc_mtx;
/* Flags indicating the current state the driver
* expects the hardware to be in
*/
uint32_t flags;
#define WPI_FLAG_HW_RADIO_OFF (1 << 0)
#define WPI_FLAG_BUSY (1 << 1)
#define WPI_FLAG_AUTH (1 << 2)
/* shared area */
struct wpi_dma_info shared_dma;
struct wpi_shared *shared;
struct wpi_tx_ring txq[WME_NUM_AC];
struct wpi_tx_ring cmdq;
struct wpi_rx_ring rxq;
/* TX Thermal Callibration */
struct callout calib_to;
int calib_cnt;
/* Watch dog timer */
struct callout watchdog_to;
/* Hardware switch polling timer */
struct callout hwswitch_to;
struct resource *irq;
struct resource *mem;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
void *sc_ih;
struct wpi_config config;
int temp;
int sc_tx_timer;
int sc_scan_timer;
struct bpf_if *sc_drvbpf;
struct wpi_rx_radiotap_header sc_rxtap;
struct wpi_tx_radiotap_header sc_txtap;
/* firmware image */
const struct firmware *fw_fp;
/* firmware DMA transfer */
struct wpi_dma_info fw_dma;
/* Tasks used by the driver */
struct task sc_restarttask; /* reset firmware task */
struct task sc_radiotask; /* reset rf task */
/* Eeprom info */
uint8_t cap;
uint16_t rev;
uint8_t type;
struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT];
int8_t maxpwr[IEEE80211_CHAN_MAX];
char domain[4]; /*reglatory domain XXX */
};
#define WPI_LOCK_INIT(_sc) \
mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
MTX_NETWORK_LOCK, MTX_DEF)
#define WPI_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define WPI_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#define WPI_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
#define WPI_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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