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/*
 * 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 _BRCMF_DBG_H_
#define _BRCMF_DBG_H_

/* message levels */
#define BRCMF_TRACE_VAL	0x00000002
#define BRCMF_INFO_VAL	0x00000004
#define BRCMF_DATA_VAL	0x00000008
#define BRCMF_CTL_VAL	0x00000010
#define BRCMF_TIMER_VAL	0x00000020
#define BRCMF_HDRS_VAL	0x00000040
#define BRCMF_BYTES_VAL	0x00000080
#define BRCMF_INTR_VAL	0x00000100
#define BRCMF_GLOM_VAL	0x00000200
#define BRCMF_EVENT_VAL	0x00000400
#define BRCMF_BTA_VAL	0x00000800
#define BRCMF_FIL_VAL	0x00001000
#define BRCMF_USB_VAL	0x00002000
#define BRCMF_SCAN_VAL	0x00004000
#define BRCMF_CONN_VAL	0x00008000
#define BRCMF_CDC_VAL	0x00010000
#define BRCMF_SDIO_VAL	0x00020000

/* set default print format */
#undef pr_fmt
#define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt

/* Macro for error messages. net_ratelimit() is used when driver
 * debugging is not selected. When debugging the driver error
 * messages are as important as other tracing or even more so.
 */
#ifndef CONFIG_BRCM_TRACING
#ifdef CONFIG_BRCMDBG
#define brcmf_err(fmt, ...)	pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
#else
#define brcmf_err(fmt, ...)						\
	do {								\
		if (net_ratelimit())					\
			pr_err("%s: " fmt, __func__, ##__VA_ARGS__);	\
	} while (0)
#endif
#else
__printf(2, 3)
void __brcmf_err(const char *func, const char *fmt, ...);
#define brcmf_err(fmt, ...) \
	__brcmf_err(__func__, fmt, ##__VA_ARGS__)
#endif

#if defined(DEBUG) || defined(CONFIG_BRCM_TRACING)
__printf(3, 4)
void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...);
#define brcmf_dbg(level, fmt, ...)				\
do {								\
	__brcmf_dbg(BRCMF_##level##_VAL, __func__,		\
		    fmt, ##__VA_ARGS__);			\
} while (0)
#define BRCMF_DATA_ON()		(brcmf_msg_level & BRCMF_DATA_VAL)
#define BRCMF_CTL_ON()		(brcmf_msg_level & BRCMF_CTL_VAL)
#define BRCMF_HDRS_ON()		(brcmf_msg_level & BRCMF_HDRS_VAL)
#define BRCMF_BYTES_ON()	(brcmf_msg_level & BRCMF_BYTES_VAL)
#define BRCMF_GLOM_ON()		(brcmf_msg_level & BRCMF_GLOM_VAL)
#define BRCMF_EVENT_ON()	(brcmf_msg_level & BRCMF_EVENT_VAL)
#define BRCMF_FIL_ON()		(brcmf_msg_level & BRCMF_FIL_VAL)

#else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */

#define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__)

#define BRCMF_DATA_ON()		0
#define BRCMF_CTL_ON()		0
#define BRCMF_HDRS_ON()		0
#define BRCMF_BYTES_ON()	0
#define BRCMF_GLOM_ON()		0
#define BRCMF_EVENT_ON()	0
#define BRCMF_FIL_ON()		0

#endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */

#define brcmf_dbg_hex_dump(test, data, len, fmt, ...)			\
do {									\
	trace_brcmf_hexdump((void *)data, len);				\
	if (test)							\
		brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__);	\
} while (0)

extern int brcmf_msg_level;

/*
 * hold counter variables used in brcmfmac sdio driver.
 */
struct brcmf_sdio_count {
	uint intrcount;		/* Count of device interrupt callbacks */
	uint lastintrs;		/* Count as of last watchdog timer */
	uint pollcnt;		/* Count of active polls */
	uint regfails;		/* Count of R_REG failures */
	uint tx_sderrs;		/* Count of tx attempts with sd errors */
	uint fcqueued;		/* Tx packets that got queued */
	uint rxrtx;		/* Count of rtx requests (NAK to dongle) */
	uint rx_toolong;	/* Receive frames too long to receive */
	uint rxc_errors;	/* SDIO errors when reading control frames */
	uint rx_hdrfail;	/* SDIO errors on header reads */
	uint rx_badhdr;		/* Bad received headers (roosync?) */
	uint rx_badseq;		/* Mismatched rx sequence number */
	uint fc_rcvd;		/* Number of flow-control events received */
	uint fc_xoff;		/* Number which turned on flow-control */
	uint fc_xon;		/* Number which turned off flow-control */
	uint rxglomfail;	/* Failed deglom attempts */
	uint rxglomframes;	/* Number of glom frames (superframes) */
	uint rxglompkts;	/* Number of packets from glom frames */
	uint f2rxhdrs;		/* Number of header reads */
	uint f2rxdata;		/* Number of frame data reads */
	uint f2txdata;		/* Number of f2 frame writes */
	uint f1regdata;		/* Number of f1 register accesses */
	uint tickcnt;		/* Number of watchdog been schedule */
	ulong tx_ctlerrs;	/* Err of sending ctrl frames */
	ulong tx_ctlpkts;	/* Ctrl frames sent to dongle */
	ulong rx_ctlerrs;	/* Err of processing rx ctrl frames */
	ulong rx_ctlpkts;	/* Ctrl frames processed from dongle */
	ulong rx_readahead_cnt;	/* packets where header read-ahead was used */
};

struct brcmf_fws_stats {
	u32 tlv_parse_failed;
	u32 tlv_invalid_type;
	u32 header_only_pkt;
	u32 header_pulls;
	u32 pkt2bus;
	u32 send_pkts[5];
	u32 requested_sent[5];
	u32 generic_error;
	u32 mac_update_failed;
	u32 mac_ps_update_failed;
	u32 if_update_failed;
	u32 packet_request_failed;
	u32 credit_request_failed;
	u32 rollback_success;
	u32 rollback_failed;
	u32 delayq_full_error;
	u32 supprq_full_error;
	u32 txs_indicate;
	u32 txs_discard;
	u32 txs_supp_core;
	u32 txs_supp_ps;
	u32 txs_tossed;
	u32 txs_host_tossed;
	u32 bus_flow_block;
	u32 fws_flow_block;
};

struct brcmf_pub;
#ifdef DEBUG
void brcmf_debugfs_init(void);
void brcmf_debugfs_exit(void);
int brcmf_debugfs_attach(struct brcmf_pub *drvr);
void brcmf_debugfs_detach(struct brcmf_pub *drvr);
struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
				     struct brcmf_sdio_count *sdcnt);
void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
				    struct brcmf_fws_stats *stats);
#else
static inline void brcmf_debugfs_init(void)
{
}
static inline void brcmf_debugfs_exit(void)
{
}
static inline int brcmf_debugfs_attach(struct brcmf_pub *drvr)
{
	return 0;
}
static inline void brcmf_debugfs_detach(struct brcmf_pub *drvr)
{
}
static inline void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
						  struct brcmf_fws_stats *stats)
{
}
#endif

#endif				/* _BRCMF_DBG_H_ */