Initial meta-multitech-common based on meta-multitech (branch master)

1 files changed, 0 insertions, 470 deletions

diff --git a/recipes-kernel/linux/linux-3.12.70/linux-3.12-ledtrig-netdev.patch b/recipes-kernel/linux/linux-3.12.70/linux-3.12-ledtrig-netdev.patch
deleted file mode 100644
index ec5f114..0000000
--- a/recipes-kernel/linux/linux-3.12.70/linux-3.12-ledtrig-netdev.patch
+++ /dev/null
@@ -1,470 +0,0 @@
-diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig
-index 49794b4..c049f00 100644
---- a/drivers/leds/trigger/Kconfig
-+++ b/drivers/leds/trigger/Kconfig
-@@ -108,4 +108,12 @@ config LEDS_TRIGGER_CAMERA
- 	  This enables direct flash/torch on/off by the driver, kernel space.
- 	  If unsure, say Y.
- 
-+config LEDS_TRIGGER_NETDEV
-+	tristate "LED Netdev Trigger"
-+	depends on NET
-+	depends on LEDS_TRIGGERS
-+	help
-+	  This allows LEDs to be controlled by network device activity.
-+	  If unsure, say Y.
-+
- endif # LEDS_TRIGGERS
-diff --git a/drivers/leds/trigger/Makefile b/drivers/leds/trigger/Makefile
-index 1abf48d..17c9937 100644
---- a/drivers/leds/trigger/Makefile
-+++ b/drivers/leds/trigger/Makefile
-@@ -8,3 +8,4 @@ obj-$(CONFIG_LEDS_TRIGGER_CPU)		+= ledtrig-cpu.o
- obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
- obj-$(CONFIG_LEDS_TRIGGER_TRANSIENT)	+= ledtrig-transient.o
- obj-$(CONFIG_LEDS_TRIGGER_CAMERA)	+= ledtrig-camera.o
-+obj-$(CONFIG_LEDS_TRIGGER_NETDEV)	+= ledtrig-netdev.o
-diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/linux-3.12.27.mtr/drivers/leds/trigger/ledtrig-netdev.c
-new file mode 100644
-index 0000000..2150440
---- /dev/null
-+++ b/drivers/leds/trigger/ledtrig-netdev.c
-@@ -0,0 +1,438 @@
-+/*
-+ * 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/netdevice.h>
-+#include <linux/timer.h>
-+#include <linux/ctype.h>
-+#include <linux/leds.h>
-+
-+#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;
-+}
-+
-+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 */
-+		trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
-+		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[128];
-+	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[sizeof(copybuf) - 1] = 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 (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 = netdev_notifier_info_to_dev((struct netdev_notifier_info *) 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;
-+	struct rtnl_link_stats64 *dev_stats;
-+	unsigned new_activity;
-+	struct rtnl_link_stats64 temp;
-+
-+	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, &temp);
-+	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");