1 files changed, 358 insertions, 0 deletions
diff --git a/compat/compat/compat-2.6.37.c b/compat/compat/compat-2.6.37.c
new file mode 100644
index 00000000..9f722a62
--- /dev/null
+++ b/compat/compat/compat-2.6.37.c
@@ -0,0 +1,358 @@
+/*
+ * Copyright 2010    Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * 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.
+ *
+ * Compatibility file for Linux wireless for kernels 2.6.37.
+ */
+
+#include <linux/compat.h>
+#include <linux/netdevice.h>
+#include <net/sock.h>
+#include <linux/nsproxy.h>
+#include <linux/vmalloc.h>
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)
+static const void *net_current_ns(void)
+{
+	return current->nsproxy->net_ns;
+}
+
+static const void *net_initial_ns(void)
+{
+	return &init_net;
+}
+
+static const void *net_netlink_ns(struct sock *sk)
+{
+	return sock_net(sk);
+}
+
+struct kobj_ns_type_operations net_ns_type_operations = {
+	.type = KOBJ_NS_TYPE_NET,
+	.current_ns = net_current_ns,
+	.netlink_ns = net_netlink_ns,
+	.initial_ns = net_initial_ns,
+};
+EXPORT_SYMBOL_GPL(net_ns_type_operations);
+
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)*/ 
+
+#undef genl_info
+#undef genl_unregister_family
+
+static LIST_HEAD(compat_nl_fam);
+
+static struct genl_ops *genl_get_cmd(u8 cmd, struct genl_family *family)
+{
+	struct genl_ops *ops;
+
+	list_for_each_entry(ops, &family->family.ops_list, ops.ops_list)
+		if (ops->cmd == cmd)
+			return ops;
+
+	return NULL;
+}
+
+
+static int nl_doit_wrapper(struct sk_buff *skb, struct genl_info *info)
+{
+	struct compat_genl_info compat_info;
+	struct genl_family *family;
+	struct genl_ops *ops;
+	int err;
+
+	list_for_each_entry(family, &compat_nl_fam, list) {
+		if (family->id == info->nlhdr->nlmsg_type)
+			goto found;
+	}
+	return -ENOENT;
+
+found:
+	ops = genl_get_cmd(info->genlhdr->cmd, family);
+	if (!ops)
+		return -ENOENT;
+
+	memset(&compat_info.user_ptr, 0, sizeof(compat_info.user_ptr));
+	compat_info.info = info;
+#define __copy(_field) compat_info._field = info->_field
+	__copy(snd_seq);
+	__copy(snd_pid);
+	__copy(genlhdr);
+	__copy(attrs);
+#undef __copy
+	if (family->pre_doit) {
+		err = family->pre_doit(ops, skb, &compat_info);
+		if (err)
+			return err;
+	}
+
+	err = ops->doit(skb, &compat_info);
+
+	if (family->post_doit)
+		family->post_doit(ops, skb, &compat_info);
+
+	return err;
+}
+
+int compat_genl_register_family_with_ops(struct genl_family *family,
+					 struct genl_ops *ops, size_t n_ops)
+{
+	int i, ret;
+
+#define __copy(_field) family->family._field = family->_field
+	__copy(id);
+	__copy(hdrsize);
+	__copy(version);
+	__copy(maxattr);
+	strncpy(family->family.name, family->name, sizeof(family->family.name));
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+	__copy(netnsok);
+#endif
+#undef __copy
+
+	ret = genl_register_family(&family->family);
+	if (ret < 0)
+		return ret;
+
+	family->attrbuf = family->family.attrbuf;
+	family->id = family->family.id;
+
+	for (i = 0; i < n_ops; i++) {
+#define __copy(_field) ops[i].ops._field = ops[i]._field
+		__copy(cmd);
+		__copy(flags);
+		__copy(policy);
+		__copy(dumpit);
+		__copy(done);
+#undef __copy
+		if (ops[i].doit)
+			ops[i].ops.doit = nl_doit_wrapper;
+		ret = genl_register_ops(&family->family, &ops[i].ops);
+		if (ret < 0)
+			goto error_ops;
+	}
+	list_add(&family->list, &compat_nl_fam);
+
+	return ret;
+
+error_ops:
+	compat_genl_unregister_family(family);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(compat_genl_register_family_with_ops);
+
+int compat_genl_unregister_family(struct genl_family *family)
+{
+	int err;
+	err = genl_unregister_family(&family->family);
+	list_del(&family->list);
+	return err;
+}
+EXPORT_SYMBOL_GPL(compat_genl_unregister_family);
+
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+
+#undef led_brightness_set
+#undef led_classdev_unregister
+
+static DEFINE_SPINLOCK(led_lock);
+static LIST_HEAD(led_timers);
+
+struct led_timer {
+	struct list_head list;
+	struct led_classdev *cdev;
+	struct timer_list blink_timer;
+	unsigned long blink_delay_on;
+	unsigned long blink_delay_off;
+	int blink_brightness;
+};
+
+static void led_brightness_set(struct led_classdev *led_cdev,
+			       enum led_brightness brightness)
+{
+	led_cdev->brightness = brightness;
+	led_cdev->brightness_set(led_cdev, brightness);
+}
+
+static struct led_timer *led_get_timer(struct led_classdev *led_cdev)
+{
+	struct led_timer *p;
+	unsigned long flags;
+
+	spin_lock_irqsave(&led_lock, flags);
+	list_for_each_entry(p, &led_timers, list) {
+		if (p->cdev == led_cdev)
+			goto found;
+	}
+	p = NULL;
+found:
+	spin_unlock_irqrestore(&led_lock, flags);
+	return p;
+}
+
+static void led_stop_software_blink(struct led_timer *led)
+{
+	del_timer_sync(&led->blink_timer);
+	led->blink_delay_on = 0;
+	led->blink_delay_off = 0;
+}
+
+static void led_timer_function(unsigned long data)
+{
+	struct led_timer *led = (struct led_timer *)data;
+	unsigned long brightness;
+	unsigned long delay;
+
+	if (!led->blink_delay_on || !led->blink_delay_off) {
+		led->cdev->brightness_set(led->cdev, LED_OFF);
+		return;
+	}
+
+	brightness = led->cdev->brightness;
+	if (!brightness) {
+		/* Time to switch the LED on. */
+		brightness = led->blink_brightness;
+		delay = led->blink_delay_on;
+	} else {
+		/* Store the current brightness value to be able
+		 * to restore it when the delay_off period is over.
+		 */
+		led->blink_brightness = brightness;
+		brightness = LED_OFF;
+		delay = led->blink_delay_off;
+	}
+
+	led_brightness_set(led->cdev, brightness);
+	mod_timer(&led->blink_timer, jiffies + msecs_to_jiffies(delay));
+}
+
+static struct led_timer *led_new_timer(struct led_classdev *led_cdev)
+{
+	struct led_timer *led;
+	unsigned long flags;
+
+	led = kzalloc(sizeof(struct led_timer), GFP_ATOMIC);
+	if (!led)
+		return NULL;
+
+	led->cdev = led_cdev;
+	init_timer(&led->blink_timer);
+	led->blink_timer.function = led_timer_function;
+	led->blink_timer.data = (unsigned long) led;
+
+	spin_lock_irqsave(&led_lock, flags);
+	list_add(&led->list, &led_timers);
+	spin_unlock_irqrestore(&led_lock, flags);
+
+	return led;
+}
+
+void led_blink_set(struct led_classdev *led_cdev,
+		   unsigned long *delay_on,
+		   unsigned long *delay_off)
+{
+	struct led_timer *led;
+	int current_brightness;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
+	if (led_cdev->blink_set &&
+	    !led_cdev->blink_set(led_cdev, delay_on, delay_off))
+		return;
+#endif
+
+	led = led_get_timer(led_cdev);
+	if (!led) {
+		led = led_new_timer(led_cdev);
+		if (!led)
+			return;
+	}
+
+	/* blink with 1 Hz as default if nothing specified */
+	if (!*delay_on && !*delay_off)
+		*delay_on = *delay_off = 500;
+
+	if (led->blink_delay_on == *delay_on &&
+	    led->blink_delay_off == *delay_off)
+		return;
+
+	current_brightness = led_cdev->brightness;
+	if (current_brightness)
+		led->blink_brightness = current_brightness;
+	if (!led->blink_brightness)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30)
+		led->blink_brightness = led_cdev->max_brightness;
+#else
+		led->blink_brightness = LED_FULL;
+#endif
+
+	led_stop_software_blink(led);
+	led->blink_delay_on = *delay_on;
+	led->blink_delay_off = *delay_off;
+
+	/* never on - don't blink */
+	if (!*delay_on)
+		return;
+
+	/* never off - just set to brightness */
+	if (!*delay_off) {
+		led_brightness_set(led_cdev, led->blink_brightness);
+		return;
+	}
+
+	mod_timer(&led->blink_timer, jiffies + 1);
+}
+EXPORT_SYMBOL_GPL(led_blink_set);
+
+void compat_led_brightness_set(struct led_classdev *led_cdev,
+			       enum led_brightness brightness)
+{
+	struct led_timer *led = led_get_timer(led_cdev);
+
+	if (led)
+		led_stop_software_blink(led);
+
+	return led_cdev->brightness_set(led_cdev, brightness);
+}
+EXPORT_SYMBOL_GPL(compat_led_brightness_set);
+
+void compat_led_classdev_unregister(struct led_classdev *led_cdev)
+{
+	struct led_timer *led = led_get_timer(led_cdev);
+	unsigned long flags;
+
+	if (led) {
+		del_timer_sync(&led->blink_timer);
+		spin_lock_irqsave(&led_lock, flags);
+		list_del(&led->list);
+		spin_unlock_irqrestore(&led_lock, flags);
+		kfree(led);
+	}
+
+	led_classdev_unregister(led_cdev);
+}
+EXPORT_SYMBOL_GPL(compat_led_classdev_unregister);
+
+/**
+ *	vzalloc - allocate virtually contiguous memory with zero fill
+ *	@size:	allocation size
+ *	Allocate enough pages to cover @size from the page level
+ *	allocator and map them into contiguous kernel virtual space.
+ *	The memory allocated is set to zero.
+ *
+ *	For tight control over page level allocator and protection flags
+ *	use __vmalloc() instead.
+ */
+void *vzalloc(unsigned long size)
+{
+	void *buf;
+	buf = vmalloc(size);
+	if (buf)
+		memset(buf, 0, size);
+	return buf;
+}
+EXPORT_SYMBOL_GPL(vzalloc);
+
+#endif