162 lines
5.1 KiB
C
162 lines
5.1 KiB
C
/*
|
|
* Copyright (c) 2010 Broadcom Corporation
|
|
*
|
|
* Permission to use, copy, modify, and/or 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.
|
|
*/
|
|
|
|
#ifndef _wl_mac80211_h_
|
|
#define _wl_mac80211_h_
|
|
|
|
#include <wlc_types.h>
|
|
|
|
/* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and
|
|
* sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be
|
|
* submitted to workqueue instead of being on kernel timer
|
|
*/
|
|
typedef struct wl_timer {
|
|
struct timer_list timer;
|
|
struct wl_info *wl;
|
|
void (*fn) (void *);
|
|
void *arg; /* argument to fn */
|
|
uint ms;
|
|
bool periodic;
|
|
bool set;
|
|
struct wl_timer *next;
|
|
#ifdef BCMDBG
|
|
char *name; /* Description of the timer */
|
|
#endif
|
|
} wl_timer_t;
|
|
|
|
/* contortion to call functions at safe time */
|
|
/* In 2.6.20 kernels work functions get passed a pointer to the struct work, so things
|
|
* will continue to work as long as the work structure is the first component of the task structure.
|
|
*/
|
|
typedef struct wl_task {
|
|
struct work_struct work;
|
|
void *context;
|
|
} wl_task_t;
|
|
|
|
struct wl_if {
|
|
uint subunit; /* WDS/BSS unit */
|
|
struct pci_dev *pci_dev;
|
|
};
|
|
|
|
#define WL_MAX_FW 4
|
|
struct wl_firmware {
|
|
u32 fw_cnt;
|
|
const struct firmware *fw_bin[WL_MAX_FW];
|
|
const struct firmware *fw_hdr[WL_MAX_FW];
|
|
u32 hdr_num_entries[WL_MAX_FW];
|
|
};
|
|
|
|
struct wl_info {
|
|
wlc_pub_t *pub; /* pointer to public wlc state */
|
|
void *wlc; /* pointer to private common os-independent data */
|
|
osl_t *osh; /* pointer to os handler */
|
|
u32 magic;
|
|
|
|
int irq;
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
struct semaphore sem; /* use semaphore to allow sleep */
|
|
#else
|
|
spinlock_t lock; /* per-device perimeter lock */
|
|
spinlock_t isr_lock; /* per-device ISR synchronization lock */
|
|
#endif
|
|
uint bcm_bustype; /* bus type */
|
|
bool piomode; /* set from insmod argument */
|
|
void *regsva; /* opaque chip registers virtual address */
|
|
atomic_t callbacks; /* # outstanding callback functions */
|
|
struct wl_timer *timers; /* timer cleanup queue */
|
|
struct tasklet_struct tasklet; /* dpc tasklet */
|
|
#ifdef BCMSDIO
|
|
bcmsdh_info_t *sdh; /* pointer to sdio bus handler */
|
|
unsigned long flags; /* current irq flags */
|
|
#endif /* BCMSDIO */
|
|
bool resched; /* dpc needs to be and is rescheduled */
|
|
#ifdef LINUXSTA_PS
|
|
u32 pci_psstate[16]; /* pci ps-state save/restore */
|
|
#endif
|
|
/* RPC, handle, lock, txq, workitem */
|
|
#ifdef WLC_HIGH_ONLY
|
|
rpc_info_t *rpc; /* RPC handle */
|
|
rpc_tp_info_t *rpc_th; /* RPC transport handle */
|
|
wlc_rpc_ctx_t rpc_dispatch_ctx;
|
|
|
|
bool rpcq_dispatched; /* Avoid scheduling multiple tasks */
|
|
spinlock_t rpcq_lock; /* Lock for the queue */
|
|
rpc_buf_t *rpcq_head; /* RPC Q */
|
|
rpc_buf_t *rpcq_tail; /* Points to the last buf */
|
|
|
|
bool txq_dispatched; /* Avoid scheduling multiple tasks */
|
|
spinlock_t txq_lock; /* Lock for the queue */
|
|
struct sk_buff *txq_head; /* TX Q */
|
|
struct sk_buff *txq_tail; /* Points to the last buf */
|
|
|
|
wl_task_t txq_task; /* work queue for wl_start() */
|
|
#endif /* WLC_HIGH_ONLY */
|
|
uint stats_id; /* the current set of stats */
|
|
/* ping-pong stats counters updated by Linux watchdog */
|
|
struct net_device_stats stats_watchdog[2];
|
|
struct wl_firmware fw;
|
|
};
|
|
|
|
#ifndef WLC_HIGH_ONLY
|
|
#define WL_LOCK(wl) spin_lock_bh(&(wl)->lock)
|
|
#define WL_UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
|
|
|
|
/* locking from inside wl_isr */
|
|
#define WL_ISRLOCK(wl, flags) do {spin_lock(&(wl)->isr_lock); (void)(flags); } while (0)
|
|
#define WL_ISRUNLOCK(wl, flags) do {spin_unlock(&(wl)->isr_lock); (void)(flags); } while (0)
|
|
|
|
/* locking under WL_LOCK() to synchronize with wl_isr */
|
|
#define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
|
|
#define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
|
|
#else /* BCMSDIO */
|
|
|
|
#define WL_LOCK(wl) down(&(wl)->sem)
|
|
#define WL_UNLOCK(wl) up(&(wl)->sem)
|
|
|
|
#define WL_ISRLOCK(wl)
|
|
#define WL_ISRUNLOCK(wl)
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
/* handle forward declaration */
|
|
typedef struct wl_info wl_info_t;
|
|
|
|
#ifndef PCI_D0
|
|
#define PCI_D0 0
|
|
#endif
|
|
|
|
#ifndef PCI_D3hot
|
|
#define PCI_D3hot 3
|
|
#endif
|
|
|
|
/* exported functions */
|
|
|
|
extern irqreturn_t wl_isr(int irq, void *dev_id);
|
|
|
|
extern int __devinit wl_pci_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent);
|
|
extern void wl_free(wl_info_t *wl);
|
|
extern int wl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
|
|
extern int wl_ucode_data_init(wl_info_t *wl);
|
|
extern void wl_ucode_data_free(void);
|
|
#ifdef WLC_LOW
|
|
extern void wl_ucode_free_buf(void *);
|
|
extern int wl_ucode_init_buf(wl_info_t *wl, void **pbuf, u32 idx);
|
|
extern int wl_ucode_init_uint(wl_info_t *wl, u32 *data, u32 idx);
|
|
#endif /* WLC_LOW */
|
|
|
|
#endif /* _wl_mac80211_h_ */
|