[deliverable/linux.git] / drivers / staging / brcm80211 / brcmfmac / dhd.h

/*
 * 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.
 */

/****************
 * Common types *
 */

#ifndef _dhd_h_
#define _dhd_h_

#include <linux/sched.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/random.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <asm/uaccess.h>
#include <asm/unaligned.h>
#if defined(CONFIG_HAS_WAKELOCK)
#include <linux/wakelock.h>
#endif			/* defined (CONFIG_HAS_WAKELOCK) */
/* The kernel threading is sdio-specific */

#include <wlioctl.h>

/* Forward decls */
struct dhd_bus;
struct dhd_prot;
struct dhd_info;

/* The level of bus communication with the dongle */
enum dhd_bus_state {
	DHD_BUS_DOWN,		/* Not ready for frame transfers */
	DHD_BUS_LOAD,		/* Download access only (CPU reset) */
	DHD_BUS_DATA		/* Ready for frame transfers */
};

enum dhd_bus_wake_state {
	WAKE_LOCK_OFF,
	WAKE_LOCK_PRIV,
	WAKE_LOCK_DPC,
	WAKE_LOCK_IOCTL,
	WAKE_LOCK_DOWNLOAD,
	WAKE_LOCK_TMOUT,
	WAKE_LOCK_WATCHDOG,
	WAKE_LOCK_LINK_DOWN_TMOUT,
	WAKE_LOCK_PNO_FIND_TMOUT,
	WAKE_LOCK_SOFTAP_SET,
	WAKE_LOCK_SOFTAP_STOP,
	WAKE_LOCK_SOFTAP_START,
	WAKE_LOCK_MAX
};
enum dhd_prealloc_index {
	DHD_PREALLOC_PROT = 0,
	DHD_PREALLOC_RXBUF,
	DHD_PREALLOC_DATABUF,
	DHD_PREALLOC_OSL_BUF
};
#ifdef DHD_USE_STATIC_BUF
extern void *dhd_os_prealloc(int section, unsigned long size);
#endif
/* Common structure for module and instance linkage */
typedef struct dhd_pub {
	/* Linkage ponters */
	osl_t *osh;		/* OSL handle */
	struct dhd_bus *bus;	/* Bus module handle */
	struct dhd_prot *prot;	/* Protocol module handle */
	struct dhd_info *info;	/* Info module handle */

	/* Internal dhd items */
	bool up;		/* Driver up/down (to OS) */
	bool txoff;		/* Transmit flow-controlled */
	bool dongle_reset;	/* true = DEVRESET put dongle into reset */
	enum dhd_bus_state busstate;
	uint hdrlen;		/* Total DHD header length (proto + bus) */
	uint maxctl;		/* Max size rxctl request from proto to bus */
	uint rxsz;		/* Rx buffer size bus module should use */
	u8 wme_dp;		/* wme discard priority */

	/* Dongle media info */
	bool iswl;		/* Dongle-resident driver is wl */
	unsigned long drv_version;	/* Version of dongle-resident driver */
	struct ether_addr mac;	/* MAC address obtained from dongle */
	dngl_stats_t dstats;	/* Stats for dongle-based data */

	/* Additional stats for the bus level */
	unsigned long tx_packets;	/* Data packets sent to dongle */
	unsigned long tx_multicast;	/* Multicast data packets sent to dongle */
	unsigned long tx_errors;	/* Errors in sending data to dongle */
	unsigned long tx_ctlpkts;	/* Control packets sent to dongle */
	unsigned long tx_ctlerrs;	/* Errors sending control frames to dongle */
	unsigned long rx_packets;	/* Packets sent up the network interface */
	unsigned long rx_multicast;	/* Multicast packets sent up the network
					 interface */
	unsigned long rx_errors;	/* Errors processing rx data packets */
	unsigned long rx_ctlpkts;	/* Control frames processed from dongle */
	unsigned long rx_ctlerrs;	/* Errors in processing rx control frames */
	unsigned long rx_dropped;	/* Packets dropped locally (no memory) */
	unsigned long rx_flushed;	/* Packets flushed due to
				unscheduled sendup thread */
	unsigned long wd_dpc_sched;	/* Number of times dhd dpc scheduled by
					 watchdog timer */

	unsigned long rx_readahead_cnt;	/* Number of packets where header read-ahead
					 was used. */
	unsigned long tx_realloc;	/* Number of tx packets we had to realloc for
					 headroom */
	unsigned long fc_packets;	/* Number of flow control pkts recvd */

	/* Last error return */
	int bcmerror;
	uint tickcnt;

	/* Last error from dongle */
	int dongle_error;

	/* Suspend disable flag  flag */
	int suspend_disable_flag;	/* "1" to disable all extra powersaving
					 during suspend */
	int in_suspend;		/* flag set to 1 when early suspend called */
#ifdef PNO_SUPPORT
	int pno_enable;		/* pno status : "1" is pno enable */
#endif				/* PNO_SUPPORT */
	int dtim_skip;		/* dtim skip , default 0 means wake each dtim */

	/* Pkt filter defination */
	char *pktfilter[100];
	int pktfilter_count;

	u8 country_code[WLC_CNTRY_BUF_SZ];
	char eventmask[WL_EVENTING_MASK_LEN];

#if defined(CONFIG_HAS_WAKELOCK)
	struct wake_lock wakelock[WAKE_LOCK_MAX];
#endif		/*  defined (CONFIG_HAS_WAKELOCK) */
} dhd_pub_t;

#if defined(CONFIG_PM_SLEEP)

#define DHD_PM_RESUME_WAIT_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a);
#define _DHD_PM_RESUME_WAIT(a, b) do {\
			int retry = 0; \
			while (dhd_mmc_suspend && retry++ != b) { \
				wait_event_timeout(a, FALSE, HZ/100); \
			} \
		}	while (0)
#define DHD_PM_RESUME_WAIT(a)	_DHD_PM_RESUME_WAIT(a, 30)
#define DHD_PM_RESUME_WAIT_FOREVER(a)	_DHD_PM_RESUME_WAIT(a, ~0)
#define DHD_PM_RESUME_RETURN_ERROR(a)	\
	do { if (dhd_mmc_suspend) return a; } while (0)
#define DHD_PM_RESUME_RETURN	do { if (dhd_mmc_suspend) return; } while (0)

#define DHD_SPINWAIT_SLEEP_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a);
#define SPINWAIT_SLEEP(a, exp, us) do { \
		uint countdown = (us) + 9999; \
		while ((exp) && (countdown >= 10000)) { \
			wait_event_timeout(a, FALSE, HZ/100); \
			countdown -= 10000; \
		} \
	} while (0)

#else

#define DHD_PM_RESUME_WAIT_INIT(a)
#define DHD_PM_RESUME_WAIT(a)
#define DHD_PM_RESUME_WAIT_FOREVER(a)
#define DHD_PM_RESUME_RETURN_ERROR(a)
#define DHD_PM_RESUME_RETURN

#define DHD_SPINWAIT_SLEEP_INIT(a)
#define SPINWAIT_SLEEP(a, exp, us)  do { \
		uint countdown = (us) + 9; \
		while ((exp) && (countdown >= 10)) { \
			OSL_DELAY(10);  \
			countdown -= 10;  \
		} \
	} while (0)

#endif	/* defined(CONFIG_PM_SLEEP) */
#define DHD_IF_VIF	0x01	/* Virtual IF (Hidden from user) */

static inline void MUTEX_LOCK_INIT(dhd_pub_t *dhdp)
{
}

static inline void MUTEX_LOCK(dhd_pub_t *dhdp)
{
}

static inline void MUTEX_UNLOCK(dhd_pub_t *dhdp)
{
}

static inline void MUTEX_LOCK_SOFTAP_SET_INIT(dhd_pub_t *dhdp)
{
}

static inline void MUTEX_LOCK_SOFTAP_SET(dhd_pub_t *dhdp)
{
}

static inline void MUTEX_UNLOCK_SOFTAP_SET(dhd_pub_t *dhdp)
{
}

static inline void MUTEX_LOCK_WL_SCAN_SET_INIT(void)
{
}

static inline void MUTEX_LOCK_WL_SCAN_SET(void)
{
}

static inline void MUTEX_UNLOCK_WL_SCAN_SET(void)
{
}

static inline void WAKE_LOCK_INIT(dhd_pub_t *dhdp, int index, char *y)
{
#if defined(CONFIG_HAS_WAKELOCK)
	wake_lock_init(&dhdp->wakelock[index], WAKE_LOCK_SUSPEND, y);
#endif	/* defined (CONFIG_HAS_WAKELOCK) */
}

static inline void WAKE_LOCK(dhd_pub_t *dhdp, int index)
{
#if defined(CONFIG_HAS_WAKELOCK)
	wake_lock(&dhdp->wakelock[index]);
#endif	/* defined (CONFIG_HAS_WAKELOCK) */
}

static inline void WAKE_UNLOCK(dhd_pub_t *dhdp, int index)
{
#if defined(CONFIG_HAS_WAKELOCK)
	wake_unlock(&dhdp->wakelock[index]);
#endif	/* defined (CONFIG_HAS_WAKELOCK) */
}

static inline void WAKE_LOCK_TIMEOUT(dhd_pub_t *dhdp, int index, long time)
{
#if defined(CONFIG_HAS_WAKELOCK)
	wake_lock_timeout(&dhdp->wakelock[index], time);
#endif	/* defined (CONFIG_HAS_WAKELOCK) */
}

static inline void WAKE_LOCK_DESTROY(dhd_pub_t *dhdp, int index)
{
#if defined(CONFIG_HAS_WAKELOCK)
	wake_lock_destroy(&dhdp->wakelock[index]);
#endif /* defined (CONFIG_HAS_WAKELOCK) */
}

typedef struct dhd_if_event {
	u8 ifidx;
	u8 action;
	u8 flags;
	u8 bssidx;
} dhd_if_event_t;

/*
 * Exported from dhd OS modules (dhd_linux/dhd_ndis)
 */

/* To allow osl_attach/detach calls from os-independent modules */
osl_t *dhd_osl_attach(void *pdev, uint bustype);
void dhd_osl_detach(osl_t *osh);

/* Indication from bus module regarding presence/insertion of dongle.
 * Return dhd_pub_t pointer, used as handle to OS module in later calls.
 * Returned structure should have bus and prot pointers filled in.
 * bus_hdrlen specifies required headroom for bus module header.
 */
extern dhd_pub_t *dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen);
extern int dhd_net_attach(dhd_pub_t *dhdp, int idx);

/* Indication from bus module regarding removal/absence of dongle */
extern void dhd_detach(dhd_pub_t *dhdp);

/* Indication from bus module to change flow-control state */
extern void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool on);

extern bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec);

/* Receive frame for delivery to OS.  Callee disposes of rxp. */
extern void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *rxp, int numpkt);

/* Return pointer to interface name */
extern char *dhd_ifname(dhd_pub_t *dhdp, int idx);

/* Request scheduling of the bus dpc */
extern void dhd_sched_dpc(dhd_pub_t *dhdp);

/* Notify tx completion */
extern void dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success);

/* Query ioctl */
extern int dhdcdc_query_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf,
			      uint len);

/* OS independent layer functions */
extern int dhd_os_proto_block(dhd_pub_t *pub);
extern int dhd_os_proto_unblock(dhd_pub_t *pub);
extern int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition,
				  bool *pending);
extern int dhd_os_ioctl_resp_wake(dhd_pub_t *pub);
extern unsigned int dhd_os_get_ioctl_resp_timeout(void);
extern void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec);
extern void *dhd_os_open_image(char *filename);
extern int dhd_os_get_image_block(char *buf, int len, void *image);
extern void dhd_os_close_image(void *image);
extern void dhd_os_wd_timer(void *bus, uint wdtick);
extern void dhd_os_sdlock(dhd_pub_t *pub);
extern void dhd_os_sdunlock(dhd_pub_t *pub);
extern void dhd_os_sdlock_txq(dhd_pub_t *pub);
extern void dhd_os_sdunlock_txq(dhd_pub_t *pub);
extern void dhd_os_sdlock_rxq(dhd_pub_t *pub);
extern void dhd_os_sdunlock_rxq(dhd_pub_t *pub);
extern void dhd_os_sdlock_sndup_rxq(dhd_pub_t *pub);
extern void dhd_customer_gpio_wlan_ctrl(int onoff);
extern int dhd_custom_get_mac_address(unsigned char *buf);
extern void dhd_os_sdunlock_sndup_rxq(dhd_pub_t *pub);
extern void dhd_os_sdlock_eventq(dhd_pub_t *pub);
extern void dhd_os_sdunlock_eventq(dhd_pub_t *pub);
#ifdef DHD_DEBUG
extern int write_to_file(dhd_pub_t *dhd, u8 *buf, int size);
#endif				/* DHD_DEBUG */
#if defined(OOB_INTR_ONLY)
extern int dhd_customer_oob_irq_map(unsigned long *irq_flags_ptr);
#endif				/* defined(OOB_INTR_ONLY) */
extern void dhd_os_sdtxlock(dhd_pub_t *pub);
extern void dhd_os_sdtxunlock(dhd_pub_t *pub);

int setScheduler(struct task_struct *p, int policy, struct sched_param *param);

typedef struct {
	u32 limit;		/* Expiration time (usec) */
	u32 increment;	/* Current expiration increment (usec) */
	u32 elapsed;		/* Current elapsed time (usec) */
	u32 tick;		/* O/S tick time (usec) */
} dhd_timeout_t;

extern void dhd_timeout_start(dhd_timeout_t *tmo, uint usec);
extern int dhd_timeout_expired(dhd_timeout_t *tmo);

extern int dhd_ifname2idx(struct dhd_info *dhd, char *name);
extern u8 *dhd_bssidx2bssid(dhd_pub_t *dhd, int idx);
extern int wl_host_event(struct dhd_info *dhd, int *idx, void *pktdata,
			 wl_event_msg_t *, void **data_ptr);
extern void wl_event_to_host_order(wl_event_msg_t *evt);

extern void dhd_common_init(void);

extern int dhd_add_if(struct dhd_info *dhd, int ifidx, void *handle,
		      char *name, u8 *mac_addr, u32 flags, u8 bssidx);
extern void dhd_del_if(struct dhd_info *dhd, int ifidx);

extern void dhd_vif_add(struct dhd_info *dhd, int ifidx, char *name);
extern void dhd_vif_del(struct dhd_info *dhd, int ifidx);

extern void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx);
extern void dhd_vif_sendup(struct dhd_info *dhd, int ifidx, unsigned char * cp,
			   int len);

/* Send packet to dongle via data channel */
extern int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pkt);

/* Send event to host */
extern void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event,
			     void *data);
extern int dhd_bus_devreset(dhd_pub_t *dhdp, u8 flag);
extern uint dhd_bus_status(dhd_pub_t *dhdp);
extern int dhd_bus_start(dhd_pub_t *dhdp);

extern void print_buf(void *pbuf, int len, int bytes_per_line);

typedef enum cust_gpio_modes {
	WLAN_RESET_ON,
	WLAN_RESET_OFF,
	WLAN_POWER_ON,
	WLAN_POWER_OFF
} cust_gpio_modes_t;
/*
 * Insmod parameters for debug/test
 */

/* Watchdog timer interval */
extern uint dhd_watchdog_ms;

#if defined(DHD_DEBUG)
/* Console output poll interval */
extern uint dhd_console_ms;
#endif				/* defined(DHD_DEBUG) */

/* Use interrupts */
extern uint dhd_intr;

/* Use polling */
extern uint dhd_poll;

/* ARP offload agent mode */
extern uint dhd_arp_mode;

/* ARP offload enable */
extern uint dhd_arp_enable;

/* Pkt filte enable control */
extern uint dhd_pkt_filter_enable;

/*  Pkt filter init setup */
extern uint dhd_pkt_filter_init;

/* Pkt filter mode control */
extern uint dhd_master_mode;

/* Roaming mode control */
extern uint dhd_roam;

/* Roaming mode control */
extern uint dhd_radio_up;

/* Initial idletime ticks (may be -1 for immediate idle, 0 for no idle) */
extern int dhd_idletime;
#define DHD_IDLETIME_TICKS 1

/* SDIO Drive Strength */
extern uint dhd_sdiod_drive_strength;

/* Override to force tx queueing all the time */
extern uint dhd_force_tx_queueing;

#ifdef SDTEST
/* Echo packet generator (SDIO), pkts/s */
extern uint dhd_pktgen;

/* Echo packet len (0 => sawtooth, max 1800) */
extern uint dhd_pktgen_len;
#define MAX_PKTGEN_LEN 1800
#endif

/* optionally set by a module_param_string() */
#define MOD_PARAM_PATHLEN	2048
extern char fw_path[MOD_PARAM_PATHLEN];
extern char nv_path[MOD_PARAM_PATHLEN];

/* For supporting multiple interfaces */
#define DHD_MAX_IFS	16
#define DHD_DEL_IF	-0xe
#define DHD_BAD_IF	-0xf

extern void dhd_wait_for_event(dhd_pub_t *dhd, bool * lockvar);
extern void dhd_wait_event_wakeup(dhd_pub_t *dhd);

#endif				/* _dhd_h_ */
Commit	Line	Data
cf2b4488 HP	1	/*
	2	* Copyright (c) 2010 Broadcom Corporation
	3	*
	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.
	7	*
	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.
	15	*/
	16
	17	/****************
	18	* Common types *
	19	*/
	20
	21	#ifndef _dhd_h_
	22	#define _dhd_h_
	23
cf2b4488 HP	24	#include <linux/sched.h>
	25	#include <linux/init.h>
	26	#include <linux/kernel.h>
	27	#include <linux/slab.h>
	28	#include <linux/skbuff.h>
	29	#include <linux/netdevice.h>
	30	#include <linux/etherdevice.h>
	31	#include <linux/random.h>
	32	#include <linux/spinlock.h>
	33	#include <linux/ethtool.h>
	34	#include <asm/uaccess.h>
	35	#include <asm/unaligned.h>
	36	#if defined(CONFIG_HAS_WAKELOCK)
	37	#include <linux/wakelock.h>
	38	#endif /* defined (CONFIG_HAS_WAKELOCK) */
	39	/* The kernel threading is sdio-specific */
cf2b4488 HP	40
	41	#include <wlioctl.h>
	42
	43	/* Forward decls */
	44	struct dhd_bus;
	45	struct dhd_prot;
	46	struct dhd_info;
	47
	48	/* The level of bus communication with the dongle */
	49	enum dhd_bus_state {
	50	DHD_BUS_DOWN, /* Not ready for frame transfers */
	51	DHD_BUS_LOAD, /* Download access only (CPU reset) */
	52	DHD_BUS_DATA /* Ready for frame transfers */
	53	};
	54
	55	enum dhd_bus_wake_state {
	56	WAKE_LOCK_OFF,
	57	WAKE_LOCK_PRIV,
	58	WAKE_LOCK_DPC,
	59	WAKE_LOCK_IOCTL,
	60	WAKE_LOCK_DOWNLOAD,
	61	WAKE_LOCK_TMOUT,
	62	WAKE_LOCK_WATCHDOG,
	63	WAKE_LOCK_LINK_DOWN_TMOUT,
	64	WAKE_LOCK_PNO_FIND_TMOUT,
	65	WAKE_LOCK_SOFTAP_SET,
	66	WAKE_LOCK_SOFTAP_STOP,
	67	WAKE_LOCK_SOFTAP_START,
	68	WAKE_LOCK_MAX
	69	};
	70	enum dhd_prealloc_index {
	71	DHD_PREALLOC_PROT = 0,
	72	DHD_PREALLOC_RXBUF,
	73	DHD_PREALLOC_DATABUF,
	74	DHD_PREALLOC_OSL_BUF
	75	};
	76	#ifdef DHD_USE_STATIC_BUF
	77	extern void *dhd_os_prealloc(int section, unsigned long size);
	78	#endif
	79	/* Common structure for module and instance linkage */
	80	typedef struct dhd_pub {
	81	/* Linkage ponters */
	82	osl_t osh; / OSL handle */
	83	struct dhd_bus bus; / Bus module handle */
	84	struct dhd_prot prot; / Protocol module handle */
	85	struct dhd_info info; / Info module handle */
	86
	87	/* Internal dhd items */
	88	bool up; /* Driver up/down (to OS) */
	89	bool txoff; /* Transmit flow-controlled */
0f0881b0	90	bool dongle_reset; /* true = DEVRESET put dongle into reset */
cf2b4488 HP	91	enum dhd_bus_state busstate;
	92	uint hdrlen; /* Total DHD header length (proto + bus) */
	93	uint maxctl; /* Max size rxctl request from proto to bus */
	94	uint rxsz; /* Rx buffer size bus module should use */
3fd79f7c	95	u8 wme_dp; /* wme discard priority */
cf2b4488 HP	96
	97	/* Dongle media info */
	98	bool iswl; /* Dongle-resident driver is wl */
3deea904	99	unsigned long drv_version; /* Version of dongle-resident driver */
cf2b4488 HP	100	struct ether_addr mac; /* MAC address obtained from dongle */
	101	dngl_stats_t dstats; /* Stats for dongle-based data */
	102
	103	/* Additional stats for the bus level */
3deea904 GKH	104	unsigned long tx_packets; /* Data packets sent to dongle */
	105	unsigned long tx_multicast; /* Multicast data packets sent to dongle */
	106	unsigned long tx_errors; /* Errors in sending data to dongle */
	107	unsigned long tx_ctlpkts; /* Control packets sent to dongle */
	108	unsigned long tx_ctlerrs; /* Errors sending control frames to dongle */
	109	unsigned long rx_packets; /* Packets sent up the network interface */
	110	unsigned long rx_multicast; /* Multicast packets sent up the network
cf2b4488	111	interface */
3deea904 GKH	112	unsigned long rx_errors; /* Errors processing rx data packets */
	113	unsigned long rx_ctlpkts; /* Control frames processed from dongle */
	114	unsigned long rx_ctlerrs; /* Errors in processing rx control frames */
	115	unsigned long rx_dropped; /* Packets dropped locally (no memory) */
	116	unsigned long rx_flushed; /* Packets flushed due to
cf2b4488	117	unscheduled sendup thread */
3deea904	118	unsigned long wd_dpc_sched; /* Number of times dhd dpc scheduled by
cf2b4488 HP	119	watchdog timer */
cf2b4488 HP	120
3deea904	121	unsigned long rx_readahead_cnt; /* Number of packets where header read-ahead
cf2b4488	122	was used. */
3deea904	123	unsigned long tx_realloc; /* Number of tx packets we had to realloc for
cf2b4488	124	headroom */
3deea904	125	unsigned long fc_packets; /* Number of flow control pkts recvd */
cf2b4488 HP	126
	127	/* Last error return */
	128	int bcmerror;
	129	uint tickcnt;
	130
	131	/* Last error from dongle */
	132	int dongle_error;
	133
	134	/* Suspend disable flag flag */
	135	int suspend_disable_flag; /* "1" to disable all extra powersaving
	136	during suspend */
	137	int in_suspend; /* flag set to 1 when early suspend called */
	138	#ifdef PNO_SUPPORT
	139	int pno_enable; /* pno status : "1" is pno enable */
	140	#endif /* PNO_SUPPORT */
	141	int dtim_skip; /* dtim skip , default 0 means wake each dtim */
	142
	143	/* Pkt filter defination */
	144	char *pktfilter[100];
	145	int pktfilter_count;
	146
3fd79f7c	147	u8 country_code[WLC_CNTRY_BUF_SZ];
cf2b4488 HP	148	char eventmask[WL_EVENTING_MASK_LEN];
	149
	150	#if defined(CONFIG_HAS_WAKELOCK)
	151	struct wake_lock wakelock[WAKE_LOCK_MAX];
	152	#endif /* defined (CONFIG_HAS_WAKELOCK) */
	153	} dhd_pub_t;
	154
	155	#if defined(CONFIG_PM_SLEEP)
	156
	157	#define DHD_PM_RESUME_WAIT_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a);
	158	#define _DHD_PM_RESUME_WAIT(a, b) do {\
	159	int retry = 0; \
	160	while (dhd_mmc_suspend && retry++ != b) { \
	161	wait_event_timeout(a, FALSE, HZ/100); \
	162	} \
	163	} while (0)
	164	#define DHD_PM_RESUME_WAIT(a) _DHD_PM_RESUME_WAIT(a, 30)
	165	#define DHD_PM_RESUME_WAIT_FOREVER(a) _DHD_PM_RESUME_WAIT(a, ~0)
	166	#define DHD_PM_RESUME_RETURN_ERROR(a) \
	167	do { if (dhd_mmc_suspend) return a; } while (0)
	168	#define DHD_PM_RESUME_RETURN do { if (dhd_mmc_suspend) return; } while (0)
	169
	170	#define DHD_SPINWAIT_SLEEP_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a);
	171	#define SPINWAIT_SLEEP(a, exp, us) do { \
	172	uint countdown = (us) + 9999; \
	173	while ((exp) && (countdown >= 10000)) { \
	174	wait_event_timeout(a, FALSE, HZ/100); \
	175	countdown -= 10000; \
	176	} \
	177	} while (0)
	178
	179	#else
	180
	181	#define DHD_PM_RESUME_WAIT_INIT(a)
	182	#define DHD_PM_RESUME_WAIT(a)
	183	#define DHD_PM_RESUME_WAIT_FOREVER(a)
	184	#define DHD_PM_RESUME_RETURN_ERROR(a)
	185	#define DHD_PM_RESUME_RETURN
	186
	187	#define DHD_SPINWAIT_SLEEP_INIT(a)
	188	#define SPINWAIT_SLEEP(a, exp, us) do { \
	189	uint countdown = (us) + 9; \
	190	while ((exp) && (countdown >= 10)) { \
	191	OSL_DELAY(10); \
	192	countdown -= 10; \
	193	} \
	194	} while (0)
	195
	196	#endif /* defined(CONFIG_PM_SLEEP) */
	197	#define DHD_IF_VIF 0x01 /* Virtual IF (Hidden from user) */
	198
	199	static inline void MUTEX_LOCK_INIT(dhd_pub_t *dhdp)
	200	{
	201	}
	202
	203	static inline void MUTEX_LOCK(dhd_pub_t *dhdp)
	204	{
	205	}
	206
	207	static inline void MUTEX_UNLOCK(dhd_pub_t *dhdp)
	208	{
	209	}
	210
	211	static inline void MUTEX_LOCK_SOFTAP_SET_INIT(dhd_pub_t *dhdp)
212	{
213	}
214
215	static inline void MUTEX_LOCK_SOFTAP_SET(dhd_pub_t *dhdp)
216	{
217	}
218
219	static inline void MUTEX_UNLOCK_SOFTAP_SET(dhd_pub_t *dhdp)
220	{
221	}
222
223	static inline void MUTEX_LOCK_WL_SCAN_SET_INIT(void)
224	{
225	}
226
227	static inline void MUTEX_LOCK_WL_SCAN_SET(void)
228	{
229	}
230
231	static inline void MUTEX_UNLOCK_WL_SCAN_SET(void)
232	{
233	}
234
235	static inline void WAKE_LOCK_INIT(dhd_pub_t dhdp, int index, char y)
236	{
237	#if defined(CONFIG_HAS_WAKELOCK)
238	wake_lock_init(&dhdp->wakelock[index], WAKE_LOCK_SUSPEND, y);
239	#endif /* defined (CONFIG_HAS_WAKELOCK) */
240	}
241
242	static inline void WAKE_LOCK(dhd_pub_t *dhdp, int index)
243	{
244	#if defined(CONFIG_HAS_WAKELOCK)
245	wake_lock(&dhdp->wakelock[index]);
246	#endif /* defined (CONFIG_HAS_WAKELOCK) */
247	}
248
249	static inline void WAKE_UNLOCK(dhd_pub_t *dhdp, int index)
250	{
251	#if defined(CONFIG_HAS_WAKELOCK)
252	wake_unlock(&dhdp->wakelock[index]);
253	#endif /* defined (CONFIG_HAS_WAKELOCK) */
254	}
255
256	static inline void WAKE_LOCK_TIMEOUT(dhd_pub_t *dhdp, int index, long time)
257	{
258	#if defined(CONFIG_HAS_WAKELOCK)
259	wake_lock_timeout(&dhdp->wakelock[index], time);
260	#endif /* defined (CONFIG_HAS_WAKELOCK) */
261	}
262
263	static inline void WAKE_LOCK_DESTROY(dhd_pub_t *dhdp, int index)
264	{
265	#if defined(CONFIG_HAS_WAKELOCK)
266	wake_lock_destroy(&dhdp->wakelock[index]);
267	#endif /* defined (CONFIG_HAS_WAKELOCK) */
268	}
269
270	typedef struct dhd_if_event {
3fd79f7c GKH	271	u8 ifidx;
	272	u8 action;
	273	u8 flags;
	274	u8 bssidx;
cf2b4488 HP	275	} dhd_if_event_t;
	276
	277	/*
	278	* Exported from dhd OS modules (dhd_linux/dhd_ndis)
	279	*/
	280
	281	/* To allow osl_attach/detach calls from os-independent modules */
	282	osl_t dhd_osl_attach(void pdev, uint bustype);
	283	void dhd_osl_detach(osl_t *osh);
	284
	285	/* Indication from bus module regarding presence/insertion of dongle.
	286	* Return dhd_pub_t pointer, used as handle to OS module in later calls.
	287	* Returned structure should have bus and prot pointers filled in.
	288	* bus_hdrlen specifies required headroom for bus module header.
	289	*/
	290	extern dhd_pub_t dhd_attach(osl_t osh, struct dhd_bus *bus, uint bus_hdrlen);
	291	extern int dhd_net_attach(dhd_pub_t *dhdp, int idx);
	292
	293	/* Indication from bus module regarding removal/absence of dongle */
	294	extern void dhd_detach(dhd_pub_t *dhdp);
	295
	296	/* Indication from bus module to change flow-control state */
	297	extern void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool on);
	298
	299	extern bool dhd_prec_enq(dhd_pub_t dhdp, struct pktq q, void *pkt, int prec);
	300
	301	/* Receive frame for delivery to OS. Callee disposes of rxp. */
	302	extern void dhd_rx_frame(dhd_pub_t dhdp, int ifidx, void rxp, int numpkt);
	303
	304	/* Return pointer to interface name */
	305	extern char dhd_ifname(dhd_pub_t dhdp, int idx);
	306
	307	/* Request scheduling of the bus dpc */
	308	extern void dhd_sched_dpc(dhd_pub_t *dhdp);
	309
	310	/* Notify tx completion */
	311	extern void dhd_txcomplete(dhd_pub_t dhdp, void txp, bool success);
	312
	313	/* Query ioctl */
	314	extern int dhdcdc_query_ioctl(dhd_pub_t dhd, int ifidx, uint cmd, void buf,
	315	uint len);
	316
	317	/* OS independent layer functions */
	318	extern int dhd_os_proto_block(dhd_pub_t *pub);
	319	extern int dhd_os_proto_unblock(dhd_pub_t *pub);
	320	extern int dhd_os_ioctl_resp_wait(dhd_pub_t pub, uint condition,
	321	bool *pending);
	322	extern int dhd_os_ioctl_resp_wake(dhd_pub_t *pub);
	323	extern unsigned int dhd_os_get_ioctl_resp_timeout(void);
	324	extern void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec);
	325	extern void dhd_os_open_image(char filename);
	326	extern int dhd_os_get_image_block(char buf, int len, void image);
	327	extern void dhd_os_close_image(void *image);
	328	extern void dhd_os_wd_timer(void *bus, uint wdtick);
	329	extern void dhd_os_sdlock(dhd_pub_t *pub);
	330	extern void dhd_os_sdunlock(dhd_pub_t *pub);
	331	extern void dhd_os_sdlock_txq(dhd_pub_t *pub);
	332	extern void dhd_os_sdunlock_txq(dhd_pub_t *pub);
	333	extern void dhd_os_sdlock_rxq(dhd_pub_t *pub);
	334	extern void dhd_os_sdunlock_rxq(dhd_pub_t *pub);
	335	extern void dhd_os_sdlock_sndup_rxq(dhd_pub_t *pub);
	336	extern void dhd_customer_gpio_wlan_ctrl(int onoff);
	337	extern int dhd_custom_get_mac_address(unsigned char *buf);
	338	extern void dhd_os_sdunlock_sndup_rxq(dhd_pub_t *pub);
339	extern void dhd_os_sdlock_eventq(dhd_pub_t *pub);
340	extern void dhd_os_sdunlock_eventq(dhd_pub_t *pub);
341	#ifdef DHD_DEBUG
3fd79f7c	342	extern int write_to_file(dhd_pub_t dhd, u8 buf, int size);
cf2b4488 HP	343	#endif /* DHD_DEBUG */
	344	#if defined(OOB_INTR_ONLY)
	345	extern int dhd_customer_oob_irq_map(unsigned long *irq_flags_ptr);
	346	#endif /* defined(OOB_INTR_ONLY) */
	347	extern void dhd_os_sdtxlock(dhd_pub_t *pub);
	348	extern void dhd_os_sdtxunlock(dhd_pub_t *pub);
	349
	350	int setScheduler(struct task_struct p, int policy, struct sched_param param);
	351
	352	typedef struct {
66cbd3ab GKH	353	u32 limit; /* Expiration time (usec) */
	354	u32 increment; /* Current expiration increment (usec) */
	355	u32 elapsed; /* Current elapsed time (usec) */
	356	u32 tick; /* O/S tick time (usec) */
cf2b4488 HP	357	} dhd_timeout_t;
	358
	359	extern void dhd_timeout_start(dhd_timeout_t *tmo, uint usec);
	360	extern int dhd_timeout_expired(dhd_timeout_t *tmo);
	361
	362	extern int dhd_ifname2idx(struct dhd_info dhd, char name);
3fd79f7c	363	extern u8 dhd_bssidx2bssid(dhd_pub_t dhd, int idx);
cf2b4488 HP	364	extern int wl_host_event(struct dhd_info dhd, int idx, void *pktdata,
	365	wl_event_msg_t , void *data_ptr);
	366	extern void wl_event_to_host_order(wl_event_msg_t *evt);
	367
	368	extern void dhd_common_init(void);
	369
	370	extern int dhd_add_if(struct dhd_info dhd, int ifidx, void handle,
66cbd3ab	371	char name, u8 mac_addr, u32 flags, u8 bssidx);
cf2b4488 HP	372	extern void dhd_del_if(struct dhd_info *dhd, int ifidx);
	373
	374	extern void dhd_vif_add(struct dhd_info dhd, int ifidx, char name);
	375	extern void dhd_vif_del(struct dhd_info *dhd, int ifidx);
	376
	377	extern void dhd_event(struct dhd_info dhd, char evpkt, int evlen, int ifidx);
580a0bd9	378	extern void dhd_vif_sendup(struct dhd_info dhd, int ifidx, unsigned char cp,
cf2b4488 HP	379	int len);
	380
	381	/* Send packet to dongle via data channel */
	382	extern int dhd_sendpkt(dhd_pub_t dhdp, int ifidx, void pkt);
	383
	384	/* Send event to host */
	385	extern void dhd_sendup_event(dhd_pub_t dhdp, wl_event_msg_t event,
	386	void *data);
3fd79f7c	387	extern int dhd_bus_devreset(dhd_pub_t *dhdp, u8 flag);
cf2b4488 HP	388	extern uint dhd_bus_status(dhd_pub_t *dhdp);
	389	extern int dhd_bus_start(dhd_pub_t *dhdp);
	390
	391	extern void print_buf(void *pbuf, int len, int bytes_per_line);
	392
	393	typedef enum cust_gpio_modes {
	394	WLAN_RESET_ON,
	395	WLAN_RESET_OFF,
	396	WLAN_POWER_ON,
	397	WLAN_POWER_OFF
	398	} cust_gpio_modes_t;
	399	/*
	400	* Insmod parameters for debug/test
	401	*/
	402
	403	/* Watchdog timer interval */
	404	extern uint dhd_watchdog_ms;
	405
	406	#if defined(DHD_DEBUG)
	407	/* Console output poll interval */
	408	extern uint dhd_console_ms;
	409	#endif /* defined(DHD_DEBUG) */
	410
	411	/* Use interrupts */
	412	extern uint dhd_intr;
	413
	414	/* Use polling */
	415	extern uint dhd_poll;
	416
	417	/* ARP offload agent mode */
	418	extern uint dhd_arp_mode;
	419
	420	/* ARP offload enable */
	421	extern uint dhd_arp_enable;
	422
	423	/* Pkt filte enable control */
	424	extern uint dhd_pkt_filter_enable;
	425
	426	/* Pkt filter init setup */
	427	extern uint dhd_pkt_filter_init;
	428
	429	/* Pkt filter mode control */
	430	extern uint dhd_master_mode;
	431
	432	/* Roaming mode control */
	433	extern uint dhd_roam;
	434
	435	/* Roaming mode control */
	436	extern uint dhd_radio_up;
	437
	438	/* Initial idletime ticks (may be -1 for immediate idle, 0 for no idle) */
	439	extern int dhd_idletime;
	440	#define DHD_IDLETIME_TICKS 1
	441
	442	/* SDIO Drive Strength */
	443	extern uint dhd_sdiod_drive_strength;
	444
	445	/* Override to force tx queueing all the time */
	446	extern uint dhd_force_tx_queueing;
	447
	448	#ifdef SDTEST
	449	/* Echo packet generator (SDIO), pkts/s */
	450	extern uint dhd_pktgen;
	451
452	/* Echo packet len (0 => sawtooth, max 1800) */
453	extern uint dhd_pktgen_len;
454	#define MAX_PKTGEN_LEN 1800
455	#endif
456
457	/* optionally set by a module_param_string() */
458	#define MOD_PARAM_PATHLEN 2048
459	extern char fw_path[MOD_PARAM_PATHLEN];
460	extern char nv_path[MOD_PARAM_PATHLEN];
461
462	/* For supporting multiple interfaces */
463	#define DHD_MAX_IFS 16
464	#define DHD_DEL_IF -0xe
465	#define DHD_BAD_IF -0xf
466
467	extern void dhd_wait_for_event(dhd_pub_t dhd, bool lockvar);
468	extern void dhd_wait_event_wakeup(dhd_pub_t *dhd);
469
470	#endif /* _dhd_h_ */