2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #ifndef _wl_mac80211_h_
18 #define _wl_mac80211_h_
20 #include <wlc_types.h>
22 /* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and
23 * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be
24 * submitted to workqueue instead of being on kernel timer
26 typedef struct wl_timer
{
27 struct timer_list timer
;
30 void *arg
; /* argument to fn */
34 struct wl_timer
*next
;
36 char *name
; /* Description of the timer */
41 uint subunit
; /* WDS/BSS unit */
42 struct pci_dev
*pci_dev
;
48 const struct firmware
*fw_bin
[WL_MAX_FW
];
49 const struct firmware
*fw_hdr
[WL_MAX_FW
];
50 u32 hdr_num_entries
[WL_MAX_FW
];
54 struct wlc_pub
*pub
; /* pointer to public wlc state */
55 void *wlc
; /* pointer to private common os-independent data */
56 struct osl_info
*osh
; /* pointer to os handler */
61 spinlock_t lock
; /* per-device perimeter lock */
62 spinlock_t isr_lock
; /* per-device ISR synchronization lock */
63 uint bcm_bustype
; /* bus type */
64 bool piomode
; /* set from insmod argument */
65 void *regsva
; /* opaque chip registers virtual address */
66 atomic_t callbacks
; /* # outstanding callback functions */
67 struct wl_timer
*timers
; /* timer cleanup queue */
68 struct tasklet_struct tasklet
; /* dpc tasklet */
69 bool resched
; /* dpc needs to be and is rescheduled */
71 u32 pci_psstate
[16]; /* pci ps-state save/restore */
73 /* RPC, handle, lock, txq, workitem */
74 uint stats_id
; /* the current set of stats */
75 /* ping-pong stats counters updated by Linux watchdog */
76 struct net_device_stats stats_watchdog
[2];
77 struct wl_firmware fw
;
80 #define WL_LOCK(wl) spin_lock_bh(&(wl)->lock)
81 #define WL_UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
83 /* locking from inside wl_isr */
84 #define WL_ISRLOCK(wl, flags) do {spin_lock(&(wl)->isr_lock); (void)(flags); } while (0)
85 #define WL_ISRUNLOCK(wl, flags) do {spin_unlock(&(wl)->isr_lock); (void)(flags); } while (0)
87 /* locking under WL_LOCK() to synchronize with wl_isr */
88 #define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
89 #define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
91 #endif /* _wl_mac80211_h_ */