summaryrefslogtreecommitdiffstats
path: root/target/linux/generic-2.6/files-2.6.32/drivers/leds
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.32/drivers/leds')
-rw-r--r--target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-morse.c365
-rw-r--r--target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-netdev.c451
2 files changed, 0 insertions, 816 deletions
diff --git a/target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-morse.c b/target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-morse.c
deleted file mode 100644
index cb47480a3..000000000
--- a/target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-morse.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * LED Morse Trigger
- *
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on: drivers/led/ledtrig-timer.c
- * Copyright 2005-2006 Openedhand Ltd.
- * Author: Richard Purdie <rpurdie@openedhand.com>
- *
- * also based on the patch '[PATCH] 2.5.59 morse code panics' posted
- * in the LKML by Tomas Szepe at Thu, 30 Jan 2003
- * Copyright (C) 2002 Andrew Rodland <arodland@noln.com>
- * Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com>
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/jiffies.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/device.h>
-#include <linux/sysdev.h>
-#include <linux/timer.h>
-#include <linux/ctype.h>
-#include <linux/leds.h>
-
-#include "leds.h"
-
-#define MORSE_DELAY_BASE (HZ/2)
-
-#define MORSE_STATE_BLINK_START 0
-#define MORSE_STATE_BLINK_STOP 1
-
-#define MORSE_DIT_LEN 1
-#define MORSE_DAH_LEN 3
-#define MORSE_SPACE_LEN 7
-
-struct morse_trig_data {
- unsigned long delay;
- char *msg;
-
- unsigned char morse;
- unsigned char state;
- char *msgpos;
- struct timer_list timer;
-};
-
-const unsigned char morsetable[] = {
- 0122, 0, 0310, 0, 0, 0163, /* "#$%&' */
- 055, 0155, 0, 0, 0163, 0141, 0152, 0051, /* ()*+,-./ */
- 077, 076, 074, 070, 060, 040, 041, 043, 047, 057, /* 0-9 */
- 0107, 0125, 0, 0061, 0, 0114, 0, /* :;<=>?@ */
- 006, 021, 025, 011, 002, 024, 013, 020, 004, /* A-I */
- 036, 015, 022, 007, 005, 017, 026, 033, 012, /* J-R */
- 010, 003, 014, 030, 016, 031, 035, 023, /* S-Z */
- 0, 0, 0, 0, 0154 /* [\]^_ */
-};
-
-static inline unsigned char tomorse(char c) {
- if (c >= 'a' && c <= 'z')
- c = c - 'a' + 'A';
- if (c >= '"' && c <= '_') {
- return morsetable[c - '"'];
- } else
- return 0;
-}
-
-static inline unsigned long dit_len(struct morse_trig_data *morse_data)
-{
- return MORSE_DIT_LEN*morse_data->delay;
-}
-
-static inline unsigned long dah_len(struct morse_trig_data *morse_data)
-{
- return MORSE_DAH_LEN*morse_data->delay;
-}
-
-static inline unsigned long space_len(struct morse_trig_data *morse_data)
-{
- return MORSE_SPACE_LEN*morse_data->delay;
-}
-
-static void morse_timer_function(unsigned long data)
-{
- struct led_classdev *led_cdev = (struct led_classdev *)data;
- struct morse_trig_data *morse_data = led_cdev->trigger_data;
- unsigned long brightness = LED_OFF;
- unsigned long delay = 0;
-
- if (!morse_data->msg)
- goto set_led;
-
- switch (morse_data->state) {
- case MORSE_STATE_BLINK_START:
- /* Starting a new blink. We have a valid code in morse. */
- delay = (morse_data->morse & 001) ? dah_len(morse_data):
- dit_len(morse_data);
- brightness = LED_FULL;
- morse_data->state = MORSE_STATE_BLINK_STOP;
- morse_data->morse >>= 1;
- break;
- case MORSE_STATE_BLINK_STOP:
- /* Coming off of a blink. */
- morse_data->state = MORSE_STATE_BLINK_START;
-
- if (morse_data->morse > 1) {
- /* Not done yet, just a one-dit pause. */
- delay = dit_len(morse_data);
- break;
- }
-
- /* Get a new char, figure out how much space. */
- /* First time through */
- if (!morse_data->msgpos)
- morse_data->msgpos = (char *)morse_data->msg;
-
- if (!*morse_data->msgpos) {
- /* Repeating */
- morse_data->msgpos = (char *)morse_data->msg;
- delay = space_len(morse_data);
- } else {
- /* Inter-letter space */
- delay = dah_len(morse_data);
- }
-
- if (!(morse_data->morse = tomorse(*morse_data->msgpos))) {
- delay = space_len(morse_data);
- /* And get us back here */
- morse_data->state = MORSE_STATE_BLINK_STOP;
- }
- morse_data->msgpos++;
- break;
- }
-
- mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay));
-
-set_led:
- led_set_brightness(led_cdev, brightness);
-}
-
-static ssize_t _morse_delay_show(struct led_classdev *led_cdev, char *buf)
-{
- struct morse_trig_data *morse_data = led_cdev->trigger_data;
-
- sprintf(buf, "%lu\n", morse_data->delay);
-
- return strlen(buf) + 1;
-}
-
-static ssize_t _morse_delay_store(struct led_classdev *led_cdev,
- const char *buf, size_t size)
-{
- struct morse_trig_data *morse_data = led_cdev->trigger_data;
- char *after;
- unsigned long state = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
- int ret = -EINVAL;
-
- if (*after && isspace(*after))
- count++;
-
- if (count == size) {
- morse_data->delay = state;
- mod_timer(&morse_data->timer, jiffies + 1);
- ret = count;
- }
-
- return ret;
-}
-
-static ssize_t _morse_msg_show(struct led_classdev *led_cdev, char *buf)
-{
- struct morse_trig_data *morse_data = led_cdev->trigger_data;
-
- if (!morse_data->msg)
- sprintf(buf, "<none>\n");
- else
- sprintf(buf, "%s\n", morse_data->msg);
-
- return strlen(buf) + 1;
-}
-
-static ssize_t _morse_msg_store(struct led_classdev *led_cdev,
- const char *buf, size_t size)
-{
- struct morse_trig_data *morse_data = led_cdev->trigger_data;
- char *m;
-
- m = kmalloc(size, GFP_KERNEL);
- if (!m)
- return -ENOMEM;
-
- memcpy(m,buf,size);
- m[size]='\0';
-
- if (morse_data->msg)
- kfree(morse_data->msg);
-
- morse_data->msg = m;
- morse_data->msgpos = NULL;
- morse_data->state = MORSE_STATE_BLINK_STOP;
-
- mod_timer(&morse_data->timer, jiffies + 1);
-
- return size;
-}
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-static ssize_t morse_delay_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
-
- return _morse_delay_show(led_cdev, buf);
-}
-
-static ssize_t morse_delay_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
-
- return _morse_delay_store(led_cdev, buf, size);
-}
-
-static ssize_t morse_msg_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
-
- return _morse_msg_show(led_cdev, buf);
-}
-
-static ssize_t morse_msg_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
-
- return _morse_msg_store(led_cdev, buf, size);
-}
-
-static DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store);
-static DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store);
-
-#define led_device_create_file(leddev, attr) \
- device_create_file(leddev->dev, &dev_attr_ ## attr)
-#define led_device_remove_file(leddev, attr) \
- device_remove_file(leddev->dev, &dev_attr_ ## attr)
-
-#else
-static ssize_t morse_delay_show(struct class_device *dev, char *buf)
-{
- struct led_classdev *led_cdev = class_get_devdata(dev);
-
- return _morse_delay_show(led_cdev, buf);
-}
-
-static ssize_t morse_delay_store(struct class_device *dev, const char *buf,
- size_t size)
-{
- struct led_classdev *led_cdev = class_get_devdata(dev);
-
- return _morse_delay_store(led_cdev, buf, size);
-}
-
-static ssize_t morse_msg_show(struct class_device *dev, char *buf)
-{
- struct led_classdev *led_cdev = class_get_devdata(dev);
-
- return _morse_msg_show(led_cdev, buf);
-}
-
-static ssize_t morse_msg_store(struct class_device *dev, const char *buf,
- size_t size)
-{
- struct led_classdev *led_cdev = class_get_devdata(dev);
-
- return _morse_msg_store(led_cdev, buf, size);
-}
-
-static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store);
-static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store);
-
-#define led_device_create_file(leddev, attr) \
- class_device_create_file(leddev->class_dev, &class_device_attr_ ## attr)
-#define led_device_remove_file(leddev, attr) \
- class_device_remove_file(leddev->class_dev, &class_device_attr_ ## attr)
-
-#endif
-
-static void morse_trig_activate(struct led_classdev *led_cdev)
-{
- struct morse_trig_data *morse_data;
- int rc;
-
- morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL);
- if (!morse_data)
- return;
-
- morse_data->delay = MORSE_DELAY_BASE;
- init_timer(&morse_data->timer);
- morse_data->timer.function = morse_timer_function;
- morse_data->timer.data = (unsigned long)led_cdev;
-
- rc = led_device_create_file(led_cdev, delay);
- if (rc) goto err;
-
- rc = led_device_create_file(led_cdev, message);
- if (rc) goto err_delay;
-
- led_cdev->trigger_data = morse_data;
-
- return;
-
-err_delay:
- led_device_remove_file(led_cdev, delay);
-err:
- kfree(morse_data);
-}
-
-static void morse_trig_deactivate(struct led_classdev *led_cdev)
-{
- struct morse_trig_data *morse_data = led_cdev->trigger_data;
-
- if (!morse_data)
- return;
-
- led_device_remove_file(led_cdev, message);
- led_device_remove_file(led_cdev, delay);
-
- del_timer_sync(&morse_data->timer);
- if (morse_data->msg)
- kfree(morse_data->msg);
-
- kfree(morse_data);
-}
-
-static struct led_trigger morse_led_trigger = {
- .name = "morse",
- .activate = morse_trig_activate,
- .deactivate = morse_trig_deactivate,
-};
-
-static int __init morse_trig_init(void)
-{
- return led_trigger_register(&morse_led_trigger);
-}
-
-static void __exit morse_trig_exit(void)
-{
- led_trigger_unregister(&morse_led_trigger);
-}
-
-module_init(morse_trig_init);
-module_exit(morse_trig_exit);
-
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
-MODULE_DESCRIPTION("Morse LED trigger");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-netdev.c b/target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-netdev.c
deleted file mode 100644
index 8dba8e654..000000000
--- a/target/linux/generic-2.6/files-2.6.32/drivers/leds/ledtrig-netdev.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*
- * LED Kernel Netdev Trigger
- *
- * Toggles the LED to reflect the link and traffic state of a named net device
- *
- * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
- *
- * Derived from ledtrig-timer.c which is:
- * Copyright 2005-2006 Openedhand Ltd.
- * Author: Richard Purdie <rpurdie@openedhand.com>
- *
- * 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.
- *
- */
-
-#include <linux/module.h>
-#include <linux/jiffies.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/device.h>
-#include <linux/sysdev.h>
-#include <linux/netdevice.h>
-#include <linux/timer.h>
-#include <linux/ctype.h>
-#include <linux/leds.h>
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#include <net/net_namespace.h>
-#endif
-
-#include "leds.h"
-
-/*
- * Configurable sysfs attributes:
- *
- * device_name - network device name to monitor
- *
- * interval - duration of LED blink, in milliseconds
- *
- * mode - either "none" (LED is off) or a space separated list of one or more of:
- * link: LED's normal state reflects whether the link is up (has carrier) or not
- * tx: LED blinks on transmitted data
- * rx: LED blinks on receive data
- *
- * Some suggestions:
- *
- * Simple link status LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo link >someled/mode
- *
- * Ethernet-style link/activity LED:
- * $ echo netdev >someled/trigger
- * $ echo eth0 >someled/device_name
- * $ echo "link tx rx" >someled/mode
- *
- * Modem-style tx/rx LEDs:
- * $ echo netdev >led1/trigger
- * $ echo ppp0 >led1/device_name
- * $ echo tx >led1/mode
- * $ echo netdev >led2/trigger
- * $ echo ppp0 >led2/device_name
- * $ echo rx >led2/mode
- *
- */
-
-#define MODE_LINK 1
-#define MODE_TX 2
-#define MODE_RX 4
-
-struct led_netdev_data {
- rwlock_t lock;
-
- struct timer_list timer;
- struct notifier_block notifier;
-
- struct led_classdev *led_cdev;
- struct net_device *net_dev;
-
- char device_name[IFNAMSIZ];
- unsigned interval;
- unsigned mode;
- unsigned link_up;
- unsigned last_activity;
-};
-
-static void set_baseline_state(struct led_netdev_data *trigger_data)
-{
- if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- else
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
-
- if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
- else
- del_timer(&trigger_data->timer);
-}
-
-static ssize_t led_device_name_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%s\n", trigger_data->device_name);
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-extern struct net init_net;
-#endif
-
-static ssize_t led_device_name_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (size < 0 || size >= IFNAMSIZ)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
-
- strcpy(trigger_data->device_name, buf);
- if (size > 0 && trigger_data->device_name[size-1] == '\n')
- trigger_data->device_name[size-1] = 0;
-
- if (trigger_data->device_name[0] != 0) {
- /* check for existing device to update from */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
- trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
-#else
- trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
-#endif
- if (trigger_data->net_dev != NULL)
- trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
- set_baseline_state(trigger_data); /* updates LEDs, may start timers */
- }
-
- write_unlock(&trigger_data->lock);
- return size;
-}
-
-static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
-
-static ssize_t led_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
-
- if (trigger_data->mode == 0) {
- strcpy(buf, "none\n");
- } else {
- if (trigger_data->mode & MODE_LINK)
- strcat(buf, "link ");
- if (trigger_data->mode & MODE_TX)
- strcat(buf, "tx ");
- if (trigger_data->mode & MODE_RX)
- strcat(buf, "rx ");
- strcat(buf, "\n");
- }
-
- read_unlock(&trigger_data->lock);
-
- return strlen(buf)+1;
-}
-
-static ssize_t led_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- char copybuf[1024];
- int new_mode = -1;
- char *p, *token;
-
- /* take a copy since we don't want to trash the inbound buffer when using strsep */
- strncpy(copybuf, buf, sizeof(copybuf));
- copybuf[1023] = 0;
- p = copybuf;
-
- while ((token = strsep(&p, " \t\n")) != NULL) {
- if (!*token)
- continue;
-
- if (new_mode == -1)
- new_mode = 0;
-
- if (!strcmp(token, "none"))
- new_mode = 0;
- else if (!strcmp(token, "tx"))
- new_mode |= MODE_TX;
- else if (!strcmp(token, "rx"))
- new_mode |= MODE_RX;
- else if (!strcmp(token, "link"))
- new_mode |= MODE_LINK;
- else
- return -EINVAL;
- }
-
- if (new_mode == -1)
- return -EINVAL;
-
- write_lock(&trigger_data->lock);
- trigger_data->mode = new_mode;
- set_baseline_state(trigger_data);
- write_unlock(&trigger_data->lock);
-
- return size;
-}
-
-static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
-
-static ssize_t led_interval_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- read_lock(&trigger_data->lock);
- sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
- read_unlock(&trigger_data->lock);
-
- return strlen(buf) + 1;
-}
-
-static ssize_t led_interval_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
- int ret = -EINVAL;
- char *after;
- unsigned long value = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
-
- if (*after && isspace(*after))
- count++;
-
- /* impose some basic bounds on the timer interval */
- if (count == size && value >= 5 && value <= 10000) {
- write_lock(&trigger_data->lock);
- trigger_data->interval = msecs_to_jiffies(value);
- set_baseline_state(trigger_data); // resets timer
- write_unlock(&trigger_data->lock);
- ret = count;
- }
-
- return ret;
-}
-
-static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
-
-static int netdev_trig_notify(struct notifier_block *nb,
- unsigned long evt,
- void *dv)
-{
- struct net_device *dev = dv;
- struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
-
- if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
- return NOTIFY_DONE;
-
- write_lock(&trigger_data->lock);
-
- if (strcmp(dev->name, trigger_data->device_name))
- goto done;
-
- if (evt == NETDEV_REGISTER) {
- if (trigger_data->net_dev != NULL)
- dev_put(trigger_data->net_dev);
- dev_hold(dev);
- trigger_data->net_dev = dev;
- trigger_data->link_up = 0;
- goto done;
- }
-
- if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- goto done;
- }
-
- /* UP / DOWN / CHANGE */
-
- trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
- set_baseline_state(trigger_data);
-
-done:
- write_unlock(&trigger_data->lock);
- return NOTIFY_DONE;
-}
-
-/* here's the real work! */
-static void netdev_trig_timer(unsigned long arg)
-{
- struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
- const struct net_device_stats *dev_stats;
- unsigned new_activity;
-
- write_lock(&trigger_data->lock);
-
- if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
- /* we don't need to do timer work, just reflect link state. */
- led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
- goto no_restart;
- }
-
- dev_stats = dev_get_stats(trigger_data->net_dev);
- new_activity =
- ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
- ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
-
- if (trigger_data->mode & MODE_LINK) {
- /* base state is ON (link present) */
- /* if there's no link, we don't get this far and the LED is off */
-
- /* OFF -> ON always */
- /* ON -> OFF on activity */
- if (trigger_data->led_cdev->brightness == LED_OFF) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- }
- } else {
- /* base state is OFF */
- /* ON -> OFF always */
- /* OFF -> ON on activity */
- if (trigger_data->led_cdev->brightness == LED_FULL) {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
- } else if (trigger_data->last_activity != new_activity) {
- led_set_brightness(trigger_data->led_cdev, LED_FULL);
- }
- }
-
- trigger_data->last_activity = new_activity;
- mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
-
-no_restart:
- write_unlock(&trigger_data->lock);
-}
-
-static void netdev_trig_activate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data;
- int rc;
-
- trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
- if (!trigger_data)
- return;
-
- rwlock_init(&trigger_data->lock);
-
- trigger_data->notifier.notifier_call = netdev_trig_notify;
- trigger_data->notifier.priority = 10;
-
- setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
-
- trigger_data->led_cdev = led_cdev;
- trigger_data->net_dev = NULL;
- trigger_data->device_name[0] = 0;
-
- trigger_data->mode = 0;
- trigger_data->interval = msecs_to_jiffies(50);
- trigger_data->link_up = 0;
- trigger_data->last_activity = 0;
-
- led_cdev->trigger_data = trigger_data;
-
- rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
- if (rc)
- goto err_out;
- rc = device_create_file(led_cdev->dev, &dev_attr_mode);
- if (rc)
- goto err_out_device_name;
- rc = device_create_file(led_cdev->dev, &dev_attr_interval);
- if (rc)
- goto err_out_mode;
-
- register_netdevice_notifier(&trigger_data->notifier);
- return;
-
-err_out_mode:
- device_remove_file(led_cdev->dev, &dev_attr_mode);
-err_out_device_name:
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
-err_out:
- led_cdev->trigger_data = NULL;
- kfree(trigger_data);
-}
-
-static void netdev_trig_deactivate(struct led_classdev *led_cdev)
-{
- struct led_netdev_data *trigger_data = led_cdev->trigger_data;
-
- if (trigger_data) {
- unregister_netdevice_notifier(&trigger_data->notifier);
-
- device_remove_file(led_cdev->dev, &dev_attr_device_name);
- device_remove_file(led_cdev->dev, &dev_attr_mode);
- device_remove_file(led_cdev->dev, &dev_attr_interval);
-
- write_lock(&trigger_data->lock);
-
- if (trigger_data->net_dev) {
- dev_put(trigger_data->net_dev);
- trigger_data->net_dev = NULL;
- }
-
- write_unlock(&trigger_data->lock);
-
- del_timer_sync(&trigger_data->timer);
-
- kfree(trigger_data);
- }
-}
-
-static struct led_trigger netdev_led_trigger = {
- .name = "netdev",
- .activate = netdev_trig_activate,
- .deactivate = netdev_trig_deactivate,
-};
-
-static int __init netdev_trig_init(void)
-{
- return led_trigger_register(&netdev_led_trigger);
-}
-
-static void __exit netdev_trig_exit(void)
-{
- led_trigger_unregister(&netdev_led_trigger);
-}
-
-module_init(netdev_trig_init);
-module_exit(netdev_trig_exit);
-
-MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
-MODULE_DESCRIPTION("Netdev LED trigger");
-MODULE_LICENSE("GPL");