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Commit 4987257c authored by Luciano Coelho's avatar Luciano Coelho
Browse files

wlcore: abstract debugfs fw_stats to be handled by the lower drivers



The FW statistics differ from hardware to hardware.  This commit
prepares for hardware-specific implementation of the FW statistics
debugfs entries.

Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
parent 15e05bc0
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+2 −2
Original line number Original line Diff line number Diff line
@@ -709,14 +709,14 @@ out:
	return ret;
	return ret;
}
}


int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
int wl1271_acx_statistics(struct wl1271 *wl, void *stats)
{
{
	int ret;
	int ret;


	wl1271_debug(DEBUG_ACX, "acx statistics");
	wl1271_debug(DEBUG_ACX, "acx statistics");


	ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
	ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
				     sizeof(*stats));
				     wl->stats.fw_stats_len);
	if (ret < 0) {
	if (ret < 0) {
		wl1271_warning("acx statistics failed: %d", ret);
		wl1271_warning("acx statistics failed: %d", ret);
		return -ENOMEM;
		return -ENOMEM;
+1 −223
Original line number Original line Diff line number Diff line
@@ -417,228 +417,6 @@ struct acx_ctsprotect {
	u8 padding[2];
	u8 padding[2];
} __packed;
} __packed;


struct acx_tx_statistics {
	__le32 internal_desc_overflow;
}  __packed;

struct acx_rx_statistics {
	__le32 out_of_mem;
	__le32 hdr_overflow;
	__le32 hw_stuck;
	__le32 dropped;
	__le32 fcs_err;
	__le32 xfr_hint_trig;
	__le32 path_reset;
	__le32 reset_counter;
} __packed;

struct acx_dma_statistics {
	__le32 rx_requested;
	__le32 rx_errors;
	__le32 tx_requested;
	__le32 tx_errors;
}  __packed;

struct acx_isr_statistics {
	/* host command complete */
	__le32 cmd_cmplt;

	/* fiqisr() */
	__le32 fiqs;

	/* (INT_STS_ND & INT_TRIG_RX_HEADER) */
	__le32 rx_headers;

	/* (INT_STS_ND & INT_TRIG_RX_CMPLT) */
	__le32 rx_completes;

	/* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */
	__le32 rx_mem_overflow;

	/* (INT_STS_ND & INT_TRIG_S_RX_RDY) */
	__le32 rx_rdys;

	/* irqisr() */
	__le32 irqs;

	/* (INT_STS_ND & INT_TRIG_TX_PROC) */
	__le32 tx_procs;

	/* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */
	__le32 decrypt_done;

	/* (INT_STS_ND & INT_TRIG_DMA0) */
	__le32 dma0_done;

	/* (INT_STS_ND & INT_TRIG_DMA1) */
	__le32 dma1_done;

	/* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */
	__le32 tx_exch_complete;

	/* (INT_STS_ND & INT_TRIG_COMMAND) */
	__le32 commands;

	/* (INT_STS_ND & INT_TRIG_RX_PROC) */
	__le32 rx_procs;

	/* (INT_STS_ND & INT_TRIG_PM_802) */
	__le32 hw_pm_mode_changes;

	/* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */
	__le32 host_acknowledges;

	/* (INT_STS_ND & INT_TRIG_PM_PCI) */
	__le32 pci_pm;

	/* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */
	__le32 wakeups;

	/* (INT_STS_ND & INT_TRIG_LOW_RSSI) */
	__le32 low_rssi;
} __packed;

struct acx_wep_statistics {
	/* WEP address keys configured */
	__le32 addr_key_count;

	/* default keys configured */
	__le32 default_key_count;

	__le32 reserved;

	/* number of times that WEP key not found on lookup */
	__le32 key_not_found;

	/* number of times that WEP key decryption failed */
	__le32 decrypt_fail;

	/* WEP packets decrypted */
	__le32 packets;

	/* WEP decrypt interrupts */
	__le32 interrupt;
} __packed;

#define ACX_MISSED_BEACONS_SPREAD 10

struct acx_pwr_statistics {
	/* the amount of enters into power save mode (both PD & ELP) */
	__le32 ps_enter;

	/* the amount of enters into ELP mode */
	__le32 elp_enter;

	/* the amount of missing beacon interrupts to the host */
	__le32 missing_bcns;

	/* the amount of wake on host-access times */
	__le32 wake_on_host;

	/* the amount of wake on timer-expire */
	__le32 wake_on_timer_exp;

	/* the number of packets that were transmitted with PS bit set */
	__le32 tx_with_ps;

	/* the number of packets that were transmitted with PS bit clear */
	__le32 tx_without_ps;

	/* the number of received beacons */
	__le32 rcvd_beacons;

	/* the number of entering into PowerOn (power save off) */
	__le32 power_save_off;

	/* the number of entries into power save mode */
	__le16 enable_ps;

	/*
	 * the number of exits from power save, not including failed PS
	 * transitions
	 */
	__le16 disable_ps;

	/*
	 * the number of times the TSF counter was adjusted because
	 * of drift
	 */
	__le32 fix_tsf_ps;

	/* Gives statistics about the spread continuous missed beacons.
	 * The 16 LSB are dedicated for the PS mode.
	 * The 16 MSB are dedicated for the PS mode.
	 * cont_miss_bcns_spread[0] - single missed beacon.
	 * cont_miss_bcns_spread[1] - two continuous missed beacons.
	 * cont_miss_bcns_spread[2] - three continuous missed beacons.
	 * ...
	 * cont_miss_bcns_spread[9] - ten and more continuous missed beacons.
	*/
	__le32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD];

	/* the number of beacons in awake mode */
	__le32 rcvd_awake_beacons;
} __packed;

struct acx_mic_statistics {
	__le32 rx_pkts;
	__le32 calc_failure;
} __packed;

struct acx_aes_statistics {
	__le32 encrypt_fail;
	__le32 decrypt_fail;
	__le32 encrypt_packets;
	__le32 decrypt_packets;
	__le32 encrypt_interrupt;
	__le32 decrypt_interrupt;
} __packed;

struct acx_event_statistics {
	__le32 heart_beat;
	__le32 calibration;
	__le32 rx_mismatch;
	__le32 rx_mem_empty;
	__le32 rx_pool;
	__le32 oom_late;
	__le32 phy_transmit_error;
	__le32 tx_stuck;
} __packed;

struct acx_ps_statistics {
	__le32 pspoll_timeouts;
	__le32 upsd_timeouts;
	__le32 upsd_max_sptime;
	__le32 upsd_max_apturn;
	__le32 pspoll_max_apturn;
	__le32 pspoll_utilization;
	__le32 upsd_utilization;
} __packed;

struct acx_rxpipe_statistics {
	__le32 rx_prep_beacon_drop;
	__le32 descr_host_int_trig_rx_data;
	__le32 beacon_buffer_thres_host_int_trig_rx_data;
	__le32 missed_beacon_host_int_trig_rx_data;
	__le32 tx_xfr_host_int_trig_rx_data;
} __packed;

struct acx_statistics {
	struct acx_header header;

	struct acx_tx_statistics tx;
	struct acx_rx_statistics rx;
	struct acx_dma_statistics dma;
	struct acx_isr_statistics isr;
	struct acx_wep_statistics wep;
	struct acx_pwr_statistics pwr;
	struct acx_aes_statistics aes;
	struct acx_mic_statistics mic;
	struct acx_event_statistics event;
	struct acx_ps_statistics ps;
	struct acx_rxpipe_statistics rxpipe;
} __packed;

struct acx_rate_class {
struct acx_rate_class {
	__le32 enabled_rates;
	__le32 enabled_rates;
	u8 short_retry_limit;
	u8 short_retry_limit;
@@ -1284,7 +1062,7 @@ int wl1271_acx_set_preamble(struct wl1271 *wl, struct wl12xx_vif *wlvif,
			    enum acx_preamble_type preamble);
			    enum acx_preamble_type preamble);
int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif,
int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif,
			   enum acx_ctsprotect_type ctsprotect);
			   enum acx_ctsprotect_type ctsprotect);
int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats);
int wl1271_acx_statistics(struct wl1271 *wl, void *stats);
int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c,
int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c,
		      u8 idx);
		      u8 idx);
+22 −257
Original line number Original line Diff line number Diff line
@@ -25,6 +25,7 @@


#include <linux/skbuff.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/slab.h>
#include <linux/module.h>


#include "wlcore.h"
#include "wlcore.h"
#include "debug.h"
#include "debug.h"
@@ -32,13 +33,14 @@
#include "ps.h"
#include "ps.h"
#include "io.h"
#include "io.h"
#include "tx.h"
#include "tx.h"
#include "hw_ops.h"


/* ms */
/* ms */
#define WL1271_DEBUGFS_STATS_LIFETIME 1000
#define WL1271_DEBUGFS_STATS_LIFETIME 1000


/* debugfs macros idea from mac80211 */
/* debugfs macros idea from mac80211 */
#define DEBUGFS_FORMAT_BUFFER_SIZE 100
#define DEBUGFS_FORMAT_BUFFER_SIZE 100
static int wl1271_format_buffer(char __user *userbuf, size_t count,
int wl1271_format_buffer(char __user *userbuf, size_t count,
			 loff_t *ppos, char *fmt, ...)
			 loff_t *ppos, char *fmt, ...)
{
{
	va_list args;
	va_list args;
@@ -51,59 +53,9 @@ static int wl1271_format_buffer(char __user *userbuf, size_t count,


	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
}
EXPORT_SYMBOL_GPL(wl1271_format_buffer);


#define DEBUGFS_READONLY_FILE(name, fmt, value...)			\
void wl1271_debugfs_update_stats(struct wl1271 *wl)
static ssize_t name## _read(struct file *file, char __user *userbuf,	\
			    size_t count, loff_t *ppos)			\
{									\
	struct wl1271 *wl = file->private_data;				\
	return wl1271_format_buffer(userbuf, count, ppos,		\
				    fmt "\n", ##value);			\
}									\
									\
static const struct file_operations name## _ops = {			\
	.read = name## _read,						\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_ADD(name, parent)					\
	entry = debugfs_create_file(#name, 0400, parent,		\
				    wl, &name## _ops);			\
	if (!entry || IS_ERR(entry))					\
		goto err;						\

#define DEBUGFS_ADD_PREFIX(prefix, name, parent)			\
	do {								\
		entry = debugfs_create_file(#name, 0400, parent,	\
				    wl, &prefix## _## name## _ops);	\
		if (!entry || IS_ERR(entry))				\
			goto err;					\
	} while (0);

#define DEBUGFS_FWSTATS_FILE(sub, name, fmt)				\
static ssize_t sub## _ ##name## _read(struct file *file,		\
				      char __user *userbuf,		\
				      size_t count, loff_t *ppos)	\
{									\
	struct wl1271 *wl = file->private_data;				\
									\
	wl1271_debugfs_update_stats(wl);				\
									\
	return wl1271_format_buffer(userbuf, count, ppos, fmt "\n",	\
				    wl->stats.fw_stats->sub.name);	\
}									\
									\
static const struct file_operations sub## _ ##name## _ops = {		\
	.read = sub## _ ##name## _read,					\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_FWSTATS_ADD(sub, name)				\
	DEBUGFS_ADD(sub## _ ##name, stats)

static void wl1271_debugfs_update_stats(struct wl1271 *wl)
{
{
	int ret;
	int ret;


@@ -125,97 +77,7 @@ static void wl1271_debugfs_update_stats(struct wl1271 *wl)
out:
out:
	mutex_unlock(&wl->mutex);
	mutex_unlock(&wl->mutex);
}
}

EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");

DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u");
DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u");
DEBUGFS_FWSTATS_FILE(rx, dropped, "%u");
DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u");
DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u");
DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u");
DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u");

DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u");
DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u");
DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u");
DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u");

DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u");
DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u");
DEBUGFS_FWSTATS_FILE(isr, irqs, "%u");
DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u");
DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u");
DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u");
DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u");
DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u");
DEBUGFS_FWSTATS_FILE(isr, commands, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u");
DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u");
DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u");
DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u");
DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u");
DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u");

DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u");
DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u");
/* skipping wep.reserved */
DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u");
DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u");
DEBUGFS_FWSTATS_FILE(wep, packets, "%u");
DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u");

DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u");
DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u");
DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u");
DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u");
DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u");
DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u");
DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u");
DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u");
DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u");
DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u");
DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u");
DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u");
/* skipping cont_miss_bcns_spread for now */
DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u");

DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u");
DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u");

DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u");
DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u");
DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u");
DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u");
DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u");
DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u");

DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u");
DEBUGFS_FWSTATS_FILE(event, calibration, "%u");
DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u");
DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u");
DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u");
DEBUGFS_FWSTATS_FILE(event, oom_late, "%u");
DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u");
DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u");

DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u");
DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u");
DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u");

DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");


DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
DEBUGFS_READONLY_FILE(excessive_retries, "%u",
DEBUGFS_READONLY_FILE(excessive_retries, "%u",
@@ -1005,104 +867,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
				    struct dentry *rootdir)
				    struct dentry *rootdir)
{
{
	int ret = 0;
	int ret = 0;
	struct dentry *entry, *stats, *streaming;
	struct dentry *entry, *streaming;

	stats = debugfs_create_dir("fw-statistics", rootdir);
	if (!stats || IS_ERR(stats)) {
		entry = stats;
		goto err;
	}

	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);

	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
	DEBUGFS_FWSTATS_ADD(rx, dropped);
	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
	DEBUGFS_FWSTATS_ADD(rx, path_reset);
	DEBUGFS_FWSTATS_ADD(rx, reset_counter);

	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
	DEBUGFS_FWSTATS_ADD(dma, tx_errors);

	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
	DEBUGFS_FWSTATS_ADD(isr, fiqs);
	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
	DEBUGFS_FWSTATS_ADD(isr, irqs);
	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
	DEBUGFS_FWSTATS_ADD(isr, commands);
	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
	DEBUGFS_FWSTATS_ADD(isr, wakeups);
	DEBUGFS_FWSTATS_ADD(isr, low_rssi);

	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
	/* skipping wep.reserved */
	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
	DEBUGFS_FWSTATS_ADD(wep, packets);
	DEBUGFS_FWSTATS_ADD(wep, interrupt);

	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
	/* skipping cont_miss_bcns_spread for now */
	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);

	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
	DEBUGFS_FWSTATS_ADD(mic, calc_failure);

	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);

	DEBUGFS_FWSTATS_ADD(event, heart_beat);
	DEBUGFS_FWSTATS_ADD(event, calibration);
	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
	DEBUGFS_FWSTATS_ADD(event, rx_pool);
	DEBUGFS_FWSTATS_ADD(event, oom_late);
	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
	DEBUGFS_FWSTATS_ADD(event, tx_stuck);

	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);

	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);


	DEBUGFS_ADD(tx_queue_len, rootdir);
	DEBUGFS_ADD(tx_queue_len, rootdir);
	DEBUGFS_ADD(retry_count, rootdir);
	DEBUGFS_ADD(retry_count, rootdir);
@@ -1144,7 +909,7 @@ void wl1271_debugfs_reset(struct wl1271 *wl)
	if (!wl->stats.fw_stats)
	if (!wl->stats.fw_stats)
		return;
		return;


	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
	memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
	wl->stats.retry_count = 0;
	wl->stats.retry_count = 0;
	wl->stats.excessive_retries = 0;
	wl->stats.excessive_retries = 0;
}
}
@@ -1159,34 +924,34 @@ int wl1271_debugfs_init(struct wl1271 *wl)


	if (IS_ERR(rootdir)) {
	if (IS_ERR(rootdir)) {
		ret = PTR_ERR(rootdir);
		ret = PTR_ERR(rootdir);
		goto err;
		goto out;
	}
	}


	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
	wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
				      GFP_KERNEL);

	if (!wl->stats.fw_stats) {
	if (!wl->stats.fw_stats) {
		ret = -ENOMEM;
		ret = -ENOMEM;
		goto err_fw;
		goto out_remove;
	}
	}


	wl->stats.fw_stats_update = jiffies;
	wl->stats.fw_stats_update = jiffies;


	ret = wl1271_debugfs_add_files(wl, rootdir);
	ret = wl1271_debugfs_add_files(wl, rootdir);
	if (ret < 0)
		goto out_exit;


	ret = wlcore_debugfs_init(wl, rootdir);
	if (ret < 0)
	if (ret < 0)
		goto err_file;
		goto out_exit;


	return 0;
	goto out;


err_file:
out_exit:
	kfree(wl->stats.fw_stats);
	wl1271_debugfs_exit(wl);
	wl->stats.fw_stats = NULL;


err_fw:
out_remove:
	debugfs_remove_recursive(rootdir);
	debugfs_remove_recursive(rootdir);


err:
out:
	return ret;
	return ret;
}
}


+60 −0
Original line number Original line Diff line number Diff line
@@ -26,8 +26,68 @@


#include "wlcore.h"
#include "wlcore.h"


int wl1271_format_buffer(char __user *userbuf, size_t count,
			 loff_t *ppos, char *fmt, ...);

int wl1271_debugfs_init(struct wl1271 *wl);
int wl1271_debugfs_init(struct wl1271 *wl);
void wl1271_debugfs_exit(struct wl1271 *wl);
void wl1271_debugfs_exit(struct wl1271 *wl);
void wl1271_debugfs_reset(struct wl1271 *wl);
void wl1271_debugfs_reset(struct wl1271 *wl);
void wl1271_debugfs_update_stats(struct wl1271 *wl);

#define DEBUGFS_READONLY_FILE(name, fmt, value...)			\
static ssize_t name## _read(struct file *file, char __user *userbuf,	\
			    size_t count, loff_t *ppos)			\
{									\
	struct wl1271 *wl = file->private_data;				\
	return wl1271_format_buffer(userbuf, count, ppos,		\
				    fmt "\n", ##value);			\
}									\
									\
static const struct file_operations name## _ops = {			\
	.read = name## _read,						\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_ADD(name, parent)					\
	do {								\
		entry = debugfs_create_file(#name, 0400, parent,	\
					    wl, &name## _ops);		\
		if (!entry || IS_ERR(entry))				\
			goto err;					\
	} while (0);


#define DEBUGFS_ADD_PREFIX(prefix, name, parent)			\
	do {								\
		entry = debugfs_create_file(#name, 0400, parent,	\
				    wl, &prefix## _## name## _ops);	\
		if (!entry || IS_ERR(entry))				\
			goto err;					\
	} while (0);

#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type)		\
static ssize_t sub## _ ##name## _read(struct file *file,		\
				      char __user *userbuf,		\
				      size_t count, loff_t *ppos)	\
{									\
	struct wl1271 *wl = file->private_data;				\
	struct struct_type *stats = wl->stats.fw_stats;			\
									\
	wl1271_debugfs_update_stats(wl);				\
									\
	return wl1271_format_buffer(userbuf, count, ppos, fmt "\n",	\
				    stats->sub.name);			\
}									\
									\
static const struct file_operations sub## _ ##name## _ops = {		\
	.read = sub## _ ##name## _read,					\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_FWSTATS_ADD(sub, name)					\
	DEBUGFS_ADD(sub## _ ##name, stats)



#endif /* WL1271_DEBUGFS_H */
#endif /* WL1271_DEBUGFS_H */
+9 −0
Original line number Original line Diff line number Diff line
@@ -149,4 +149,13 @@ wlcore_hw_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
	return 0;
	return 0;
}
}


static inline int
wlcore_debugfs_init(struct wl1271 *wl, struct dentry *rootdir)
{
	if (wl->ops->debugfs_init)
		return wl->ops->debugfs_init(wl, rootdir);

	return 0;
}

#endif
#endif
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