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	Fixed MTP to work with TWRP
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								drivers/net/wireless/ti/wl1251/debugfs.c
									
										
									
									
									
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								drivers/net/wireless/ti/wl1251/debugfs.c
									
										
									
									
									
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							|  | @ -0,0 +1,539 @@ | |||
| /*
 | ||||
|  * This file is part of wl1251 | ||||
|  * | ||||
|  * Copyright (C) 2009 Nokia Corporation | ||||
|  * | ||||
|  * This program is free software; you can redistribute it and/or | ||||
|  * modify it under the terms of the GNU General Public License | ||||
|  * version 2 as published by the Free Software Foundation. | ||||
|  * | ||||
|  * This program is distributed in the hope that it will be useful, but | ||||
|  * WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | ||||
|  * General Public License for more details. | ||||
|  * | ||||
|  * You should have received a copy of the GNU General Public License | ||||
|  * along with this program; if not, write to the Free Software | ||||
|  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||||
|  * 02110-1301 USA | ||||
|  * | ||||
|  */ | ||||
| 
 | ||||
| #include "debugfs.h" | ||||
| 
 | ||||
| #include <linux/skbuff.h> | ||||
| #include <linux/slab.h> | ||||
| 
 | ||||
| #include "wl1251.h" | ||||
| #include "acx.h" | ||||
| #include "ps.h" | ||||
| 
 | ||||
| /* ms */ | ||||
| #define WL1251_DEBUGFS_STATS_LIFETIME 1000 | ||||
| 
 | ||||
| /* debugfs macros idea from mac80211 */ | ||||
| 
 | ||||
| #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)		\ | ||||
| static ssize_t name## _read(struct file *file, char __user *userbuf,	\ | ||||
| 			    size_t count, loff_t *ppos)			\ | ||||
| {									\ | ||||
| 	struct wl1251 *wl = file->private_data;				\ | ||||
| 	char buf[buflen];						\ | ||||
| 	int res;							\ | ||||
| 									\ | ||||
| 	res = scnprintf(buf, buflen, fmt "\n", ##value);		\ | ||||
| 	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\ | ||||
| }									\ | ||||
| 									\ | ||||
| static const struct file_operations name## _ops = {			\ | ||||
| 	.read = name## _read,						\ | ||||
| 	.open = simple_open,						\ | ||||
| 	.llseek	= generic_file_llseek,					\ | ||||
| }; | ||||
| 
 | ||||
| #define DEBUGFS_ADD(name, parent)					\ | ||||
| 	wl->debugfs.name = debugfs_create_file(#name, 0400, parent,	\ | ||||
| 					       wl, &name## _ops);	\ | ||||
| 	if (IS_ERR(wl->debugfs.name)) {					\ | ||||
| 		ret = PTR_ERR(wl->debugfs.name);			\ | ||||
| 		wl->debugfs.name = NULL;				\ | ||||
| 		goto out;						\ | ||||
| 	} | ||||
| 
 | ||||
| #define DEBUGFS_DEL(name)						\ | ||||
| 	do {								\ | ||||
| 		debugfs_remove(wl->debugfs.name);			\ | ||||
| 		wl->debugfs.name = NULL;				\ | ||||
| 	} while (0) | ||||
| 
 | ||||
| #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt)			\ | ||||
| static ssize_t sub## _ ##name## _read(struct file *file,		\ | ||||
| 				      char __user *userbuf,		\ | ||||
| 				      size_t count, loff_t *ppos)	\ | ||||
| {									\ | ||||
| 	struct wl1251 *wl = file->private_data;				\ | ||||
| 	char buf[buflen];						\ | ||||
| 	int res;							\ | ||||
| 									\ | ||||
| 	wl1251_debugfs_update_stats(wl);				\ | ||||
| 									\ | ||||
| 	res = scnprintf(buf, buflen, fmt "\n",				\ | ||||
| 			wl->stats.fw_stats->sub.name);			\ | ||||
| 	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\ | ||||
| }									\ | ||||
| 									\ | ||||
| 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, wl->debugfs.fw_statistics) | ||||
| 
 | ||||
| #define DEBUGFS_FWSTATS_DEL(sub, name)				\ | ||||
| 	DEBUGFS_DEL(sub## _ ##name) | ||||
| 
 | ||||
| static void wl1251_debugfs_update_stats(struct wl1251 *wl) | ||||
| { | ||||
| 	int ret; | ||||
| 
 | ||||
| 	mutex_lock(&wl->mutex); | ||||
| 
 | ||||
| 	ret = wl1251_ps_elp_wakeup(wl); | ||||
| 	if (ret < 0) | ||||
| 		goto out; | ||||
| 
 | ||||
| 	if (wl->state == WL1251_STATE_ON && | ||||
| 	    time_after(jiffies, wl->stats.fw_stats_update + | ||||
| 		       msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) { | ||||
| 		wl1251_acx_statistics(wl, wl->stats.fw_stats); | ||||
| 		wl->stats.fw_stats_update = jiffies; | ||||
| 	} | ||||
| 
 | ||||
| 	wl1251_ps_elp_sleep(wl); | ||||
| 
 | ||||
| out: | ||||
| 	mutex_unlock(&wl->mutex); | ||||
| } | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u"); | ||||
| /* skipping wep.reserved */ | ||||
| DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u"); | ||||
| /* skipping cont_miss_bcns_spread for now */ | ||||
| DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, | ||||
| 		     20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u"); | ||||
| DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u"); | ||||
| 
 | ||||
| DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count); | ||||
| DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u", | ||||
| 		      wl->stats.excessive_retries); | ||||
| 
 | ||||
| static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, | ||||
| 				 size_t count, loff_t *ppos) | ||||
| { | ||||
| 	struct wl1251 *wl = file->private_data; | ||||
| 	u32 queue_len; | ||||
| 	char buf[20]; | ||||
| 	int res; | ||||
| 
 | ||||
| 	queue_len = skb_queue_len(&wl->tx_queue); | ||||
| 
 | ||||
| 	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); | ||||
| 	return simple_read_from_buffer(userbuf, count, ppos, buf, res); | ||||
| } | ||||
| 
 | ||||
| static const struct file_operations tx_queue_len_ops = { | ||||
| 	.read = tx_queue_len_read, | ||||
| 	.open = simple_open, | ||||
| 	.llseek = generic_file_llseek, | ||||
| }; | ||||
| 
 | ||||
| static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf, | ||||
| 				    size_t count, loff_t *ppos) | ||||
| { | ||||
| 	struct wl1251 *wl = file->private_data; | ||||
| 	char buf[3], status; | ||||
| 	int len; | ||||
| 
 | ||||
| 	if (wl->tx_queue_stopped) | ||||
| 		status = 's'; | ||||
| 	else | ||||
| 		status = 'r'; | ||||
| 
 | ||||
| 	len = scnprintf(buf, sizeof(buf), "%c\n", status); | ||||
| 	return simple_read_from_buffer(userbuf, count, ppos, buf, len); | ||||
| } | ||||
| 
 | ||||
| static const struct file_operations tx_queue_status_ops = { | ||||
| 	.read = tx_queue_status_read, | ||||
| 	.open = simple_open, | ||||
| 	.llseek = generic_file_llseek, | ||||
| }; | ||||
| 
 | ||||
| static void wl1251_debugfs_delete_files(struct wl1251 *wl) | ||||
| { | ||||
| 	DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, out_of_mem); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, hdr_overflow); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, hw_stuck); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, dropped); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, fcs_err); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, path_reset); | ||||
| 	DEBUGFS_FWSTATS_DEL(rx, reset_counter); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(dma, rx_requested); | ||||
| 	DEBUGFS_FWSTATS_DEL(dma, rx_errors); | ||||
| 	DEBUGFS_FWSTATS_DEL(dma, tx_requested); | ||||
| 	DEBUGFS_FWSTATS_DEL(dma, tx_errors); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, fiqs); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, rx_headers); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, rx_rdys); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, irqs); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, tx_procs); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, decrypt_done); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, dma0_done); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, dma1_done); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, commands); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, rx_procs); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, host_acknowledges); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, pci_pm); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, wakeups); | ||||
| 	DEBUGFS_FWSTATS_DEL(isr, low_rssi); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(wep, addr_key_count); | ||||
| 	DEBUGFS_FWSTATS_DEL(wep, default_key_count); | ||||
| 	/* skipping wep.reserved */ | ||||
| 	DEBUGFS_FWSTATS_DEL(wep, key_not_found); | ||||
| 	DEBUGFS_FWSTATS_DEL(wep, decrypt_fail); | ||||
| 	DEBUGFS_FWSTATS_DEL(wep, packets); | ||||
| 	DEBUGFS_FWSTATS_DEL(wep, interrupt); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, ps_enter); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, elp_enter); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, missing_bcns); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, wake_on_host); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, power_save_off); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, enable_ps); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, disable_ps); | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps); | ||||
| 	/* skipping cont_miss_bcns_spread for now */ | ||||
| 	DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(mic, rx_pkts); | ||||
| 	DEBUGFS_FWSTATS_DEL(mic, calc_failure); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(aes, encrypt_fail); | ||||
| 	DEBUGFS_FWSTATS_DEL(aes, decrypt_fail); | ||||
| 	DEBUGFS_FWSTATS_DEL(aes, encrypt_packets); | ||||
| 	DEBUGFS_FWSTATS_DEL(aes, decrypt_packets); | ||||
| 	DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt); | ||||
| 	DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(event, heart_beat); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, calibration); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, rx_mismatch); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, rx_mem_empty); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, rx_pool); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, oom_late); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, phy_transmit_error); | ||||
| 	DEBUGFS_FWSTATS_DEL(event, tx_stuck); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts); | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts); | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime); | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn); | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn); | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization); | ||||
| 	DEBUGFS_FWSTATS_DEL(ps, upsd_utilization); | ||||
| 
 | ||||
| 	DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop); | ||||
| 	DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data); | ||||
| 	DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); | ||||
| 	DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data); | ||||
| 	DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data); | ||||
| 
 | ||||
| 	DEBUGFS_DEL(tx_queue_len); | ||||
| 	DEBUGFS_DEL(tx_queue_status); | ||||
| 	DEBUGFS_DEL(retry_count); | ||||
| 	DEBUGFS_DEL(excessive_retries); | ||||
| } | ||||
| 
 | ||||
| static int wl1251_debugfs_add_files(struct wl1251 *wl) | ||||
| { | ||||
| 	int ret = 0; | ||||
| 
 | ||||
| 	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, wl->debugfs.rootdir); | ||||
| 	DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir); | ||||
| 	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); | ||||
| 	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); | ||||
| 
 | ||||
| out: | ||||
| 	if (ret < 0) | ||||
| 		wl1251_debugfs_delete_files(wl); | ||||
| 
 | ||||
| 	return ret; | ||||
| } | ||||
| 
 | ||||
| void wl1251_debugfs_reset(struct wl1251 *wl) | ||||
| { | ||||
| 	if (wl->stats.fw_stats != NULL) | ||||
| 		memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); | ||||
| 	wl->stats.retry_count = 0; | ||||
| 	wl->stats.excessive_retries = 0; | ||||
| } | ||||
| 
 | ||||
| int wl1251_debugfs_init(struct wl1251 *wl) | ||||
| { | ||||
| 	int ret; | ||||
| 
 | ||||
| 	wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); | ||||
| 
 | ||||
| 	if (IS_ERR(wl->debugfs.rootdir)) { | ||||
| 		ret = PTR_ERR(wl->debugfs.rootdir); | ||||
| 		wl->debugfs.rootdir = NULL; | ||||
| 		goto err; | ||||
| 	} | ||||
| 
 | ||||
| 	wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics", | ||||
| 						       wl->debugfs.rootdir); | ||||
| 
 | ||||
| 	if (IS_ERR(wl->debugfs.fw_statistics)) { | ||||
| 		ret = PTR_ERR(wl->debugfs.fw_statistics); | ||||
| 		wl->debugfs.fw_statistics = NULL; | ||||
| 		goto err_root; | ||||
| 	} | ||||
| 
 | ||||
| 	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), | ||||
| 				      GFP_KERNEL); | ||||
| 
 | ||||
| 	if (!wl->stats.fw_stats) { | ||||
| 		ret = -ENOMEM; | ||||
| 		goto err_fw; | ||||
| 	} | ||||
| 
 | ||||
| 	wl->stats.fw_stats_update = jiffies; | ||||
| 
 | ||||
| 	ret = wl1251_debugfs_add_files(wl); | ||||
| 
 | ||||
| 	if (ret < 0) | ||||
| 		goto err_file; | ||||
| 
 | ||||
| 	return 0; | ||||
| 
 | ||||
| err_file: | ||||
| 	kfree(wl->stats.fw_stats); | ||||
| 	wl->stats.fw_stats = NULL; | ||||
| 
 | ||||
| err_fw: | ||||
| 	debugfs_remove(wl->debugfs.fw_statistics); | ||||
| 	wl->debugfs.fw_statistics = NULL; | ||||
| 
 | ||||
| err_root: | ||||
| 	debugfs_remove(wl->debugfs.rootdir); | ||||
| 	wl->debugfs.rootdir = NULL; | ||||
| 
 | ||||
| err: | ||||
| 	return ret; | ||||
| } | ||||
| 
 | ||||
| void wl1251_debugfs_exit(struct wl1251 *wl) | ||||
| { | ||||
| 	wl1251_debugfs_delete_files(wl); | ||||
| 
 | ||||
| 	kfree(wl->stats.fw_stats); | ||||
| 	wl->stats.fw_stats = NULL; | ||||
| 
 | ||||
| 	debugfs_remove(wl->debugfs.fw_statistics); | ||||
| 	wl->debugfs.fw_statistics = NULL; | ||||
| 
 | ||||
| 	debugfs_remove(wl->debugfs.rootdir); | ||||
| 	wl->debugfs.rootdir = NULL; | ||||
| 
 | ||||
| } | ||||
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