6607310b74
This import includes: o wpi Wireless driver for the Intel 3945 Wireless Lan Controller (802.11abg) (sys/dev/wpi) o Intel firmware revision 2.14.4 & associated LICENSE (sys/dev/contrib/wpi, sys/contrib/dev/wpi/LICENSE) o wpifw Firmware driver (sys/modules/wpifw) Approved by: mlaier, sam (co-mentors)
270 lines
7.0 KiB
C
270 lines
7.0 KiB
C
/* $FreeBSD$ */
|
|
|
|
/*-
|
|
* 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.
|
|
*/
|
|
#if ( __FreeBSD_version > 700000 )
|
|
#include <net80211/ieee80211_amrr.h>
|
|
#else
|
|
#include <dev/wpi/ieee80211_amrr.h>
|
|
#endif
|
|
|
|
/* DMA mapping */
|
|
struct wpi_mapping {
|
|
int nsegs;
|
|
bus_dma_segment_t segs[WPI_MAX_SCATTER];
|
|
};
|
|
|
|
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;
|
|
caddr_t vaddr;
|
|
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_softc;
|
|
|
|
struct wpi_rbuf {
|
|
struct wpi_softc *sc;
|
|
bus_addr_t paddr;
|
|
caddr_t vaddr;
|
|
SLIST_ENTRY(wpi_rbuf) next;
|
|
};
|
|
|
|
struct wpi_rx_data {
|
|
struct mbuf *m;
|
|
};
|
|
|
|
struct wpi_rx_ring {
|
|
struct wpi_dma_info desc_dma;
|
|
struct wpi_dma_info buf_dma;
|
|
uint32_t *desc;
|
|
struct wpi_rx_data data[WPI_RX_RING_COUNT];
|
|
struct wpi_rbuf rbuf[WPI_RBUF_COUNT];
|
|
SLIST_HEAD(, wpi_rbuf) freelist;
|
|
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_node {
|
|
struct ieee80211_node ni; /* must be the first */
|
|
struct ieee80211_amrr_node amn;
|
|
};
|
|
|
|
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_softc {
|
|
device_t sc_dev;
|
|
struct ifnet *sc_ifp;
|
|
|
|
/* net80211 driver specifics */
|
|
struct ieee80211com sc_ic;
|
|
int (*sc_newstate)(struct ieee80211com *,
|
|
enum ieee80211_state, int);
|
|
unsigned long maxdwell; /* Max dwell time whilst scanning */
|
|
|
|
struct mtx sc_mtx;
|
|
|
|
struct ieee80211_amrr amrr;
|
|
|
|
/* 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_SCANNING (1 << 1)
|
|
#define WPI_FLAG_BUSY (1 << 2)
|
|
#define WPI_FLAG_AUTH (1 << 3)
|
|
|
|
/* Flags indicating the state of the firmware */
|
|
uint32_t fw_state;
|
|
#define WPI_FW_IDLE (1 << 0 )
|
|
|
|
/* 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;
|
|
int watchdog_cnt;
|
|
|
|
struct resource *irq;
|
|
struct resource *mem;
|
|
bus_space_tag_t sc_st;
|
|
bus_space_handle_t sc_sh;
|
|
void *sc_ih;
|
|
int mem_rid;
|
|
int irq_rid;
|
|
|
|
struct wpi_config config;
|
|
int temp;
|
|
|
|
|
|
int sc_tx_timer;
|
|
|
|
struct bpf_if *sc_drvbpf;
|
|
|
|
struct wpi_rx_radiotap_header sc_rxtap;
|
|
int sc_rxtap_len;
|
|
struct wpi_tx_radiotap_header sc_txtap;
|
|
int sc_txtap_len;
|
|
|
|
/* firmware image */
|
|
const struct firmware *fw_fp;
|
|
|
|
/* firmware DMA transfer */
|
|
struct wpi_dma_info fw_dma;
|
|
|
|
/* command queue related variables */
|
|
#define WPI_CMD_MAXOPS 10
|
|
#define WPI_SCAN_START (1<<0)
|
|
#define WPI_SCAN_CURCHAN (1<<1)
|
|
#define WPI_SCAN_STOP (1<<2)
|
|
#define WPI_SET_CHAN (1<<3)
|
|
#define WPI_AUTH (1<<4)
|
|
#define WPI_SCAN_NEXT (1<<5)
|
|
int sc_cmd[WPI_CMD_MAXOPS];
|
|
int sc_cmd_cur; /* current queued scan task */
|
|
int sc_cmd_next; /* last queued scan task */
|
|
struct mtx sc_cmdlock;
|
|
|
|
/* Task queues used to control the driver */
|
|
struct taskqueue *sc_tq; /* Main command task queue */
|
|
struct taskqueue *sc_tq2;/* firmware reset task queue */
|
|
|
|
/* Tasks used by the driver */
|
|
struct task sc_radioontask; /* enable rf transmitter task*/
|
|
struct task sc_radioofftask;/* disable rf transmitter task*/
|
|
struct task sc_opstask; /* operation handling task */
|
|
struct task sc_restarttask; /* reset firmware 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_DECL int __waslocked = 0
|
|
#define WPI_LOCK(_sc) do {\
|
|
if (!(__waslocked = mtx_owned(&(_sc)->sc_mtx))) \
|
|
mtx_lock(&(_sc)->sc_mtx); \
|
|
} while(0)
|
|
#define WPI_UNLOCK(_sc) do { \
|
|
if (!__waslocked) \
|
|
mtx_unlock(&(_sc)->sc_mtx); \
|
|
} while (0)
|
|
|
|
#define WPI_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
|
|
#define WPI_CMD_LOCK_INIT(_sc) \
|
|
mtx_init(&(_sc)->sc_cmdlock, device_get_nameunit((_sc)->sc_dev), NULL, MTX_DEF);
|
|
#define WPI_CMD_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_cmdlock)
|
|
#define WPI_CMD_LOCK(_sc) mtx_lock(&(_sc)->sc_cmdlock)
|
|
#define WPI_CMD_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_cmdlock)
|
|
#if defined(INVARIANTS) || defined(INVARIANT_SUPPORT)
|
|
#define WPI_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
|
|
#else
|
|
#define WPI_LOCK_ASSERT(sc)
|
|
#endif
|