--- /dev/null
+ /*
+ * 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 = wl1251_open_file_generic, \
++ .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 = wl1251_open_file_generic, \
++ .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);
+ }
+
+ static int wl1251_open_file_generic(struct inode *inode, struct file *file)
+ {
+ file->private_data = inode->i_private;
+ return 0;
+ }
+
+ 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 = wl1251_open_file_generic,
++ .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 = wl1251_open_file_generic,
++ .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;
+
+ }
projects / cascardo / linux.git / commitdiff