| /* |
| * 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 { |
| uint32 fw_cnt; |
| const struct firmware *fw_bin[WL_MAX_FW]; |
| const struct firmware *fw_hdr[WL_MAX_FW]; |
| uint32 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 */ |
| uint32 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 */ |
| ulong flags; /* current irq flags */ |
| #endif /* BCMSDIO */ |
| bool resched; /* dpc needs to be and is rescheduled */ |
| #ifdef LINUXSTA_PS |
| uint32 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 proc_dir_entry *proc_entry; |
| char *ioctlbuf; |
| unsigned int ioctlbuf_sz; |
| wl_ioctl_t ioc; |
| int proc_state; |
| bool ioctl_in_progress; |
| struct wl_firmware fw; |
| }; |
| #define WL_PROC_IDLE (0) |
| #define WL_PROC_HAVE_IOC (1) |
| #define WL_PROC_HAVE_BUF (2) |
| |
| #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, uint32 idx); |
| extern int wl_ucode_init_uint(wl_info_t *wl, uint32 *data, uint32 idx); |
| #endif /* WLC_LOW */ |
| |
| #endif /* _wl_mac80211_h_ */ |