From f1b4824c865b228039d84b2605b2e7e4f34cddeb Mon Sep 17 00:00:00 2001 From: John Crispin Date: Fri, 21 Jun 2013 16:54:37 +0000 Subject: packages: clean up the package folder Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37007 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/trelay/src/Makefile | 1 - package/trelay/src/trelay.c | 272 -------------------------------------------- 2 files changed, 273 deletions(-) delete mode 100644 package/trelay/src/Makefile delete mode 100644 package/trelay/src/trelay.c (limited to 'package/trelay/src') diff --git a/package/trelay/src/Makefile b/package/trelay/src/Makefile deleted file mode 100644 index e6bde8969b..0000000000 --- a/package/trelay/src/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-m := trelay.o diff --git a/package/trelay/src/trelay.c b/package/trelay/src/trelay.c deleted file mode 100644 index 8fa4374c06..0000000000 --- a/package/trelay/src/trelay.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * trelay.c: Trivial Ethernet Relay - * - * Copyright (C) 2012 Felix Fietkau - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * 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. - */ -#include -#include -#include -#include -#include -#include - -static LIST_HEAD(trelay_devs); -static struct dentry *debugfs_dir; - -struct trelay { - struct list_head list; - struct net_device *dev1, *dev2; - struct dentry *debugfs; - char name[]; -}; - -rx_handler_result_t trelay_handle_frame(struct sk_buff **pskb) -{ - struct net_device *dev; - struct sk_buff *skb = *pskb; - - dev = rcu_dereference(skb->dev->rx_handler_data); - if (!dev) - return RX_HANDLER_PASS; - - if (skb->protocol == htons(ETH_P_PAE)) - return RX_HANDLER_PASS; - - skb_push(skb, ETH_HLEN); - skb->dev = dev; - skb_forward_csum(skb); - dev_queue_xmit(skb); - - return RX_HANDLER_CONSUMED; -} - -static int trelay_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -static int trelay_do_remove(struct trelay *tr) -{ - list_del(&tr->list); - - dev_put(tr->dev1); - dev_put(tr->dev2); - - netdev_rx_handler_unregister(tr->dev1); - netdev_rx_handler_unregister(tr->dev2); - - debugfs_remove_recursive(tr->debugfs); - kfree(tr); - - return 0; -} - -static struct trelay *trelay_find(struct net_device *dev) -{ - struct trelay *tr; - - list_for_each_entry(tr, &trelay_devs, list) { - if (tr->dev1 == dev || tr->dev2 == dev) - return tr; - } - return NULL; -} - -static int tr_device_event(struct notifier_block *unused, unsigned long event, - void *ptr) -{ - struct net_device *dev = ptr; - struct trelay *tr; - - if (event != NETDEV_UNREGISTER) - goto out; - - tr = trelay_find(dev); - if (!tr) - goto out; - - trelay_do_remove(tr); - -out: - return NOTIFY_DONE; -} - -static ssize_t trelay_remove_write(struct file *file, const char __user *ubuf, - size_t count, loff_t *ppos) -{ - struct trelay *tr = file->private_data; - int ret; - - rtnl_lock(); - ret = trelay_do_remove(tr); - rtnl_unlock(); - - if (ret < 0) - return ret; - - return count; -} - -static const struct file_operations fops_remove = { - .owner = THIS_MODULE, - .open = trelay_open, - .write = trelay_remove_write, - .llseek = default_llseek, -}; - - -static int trelay_do_add(char *name, char *devn1, char *devn2) -{ - struct net_device *dev1, *dev2; - struct trelay *tr, *tr1; - int ret; - - tr = kzalloc(sizeof(*tr) + strlen(name) + 1, GFP_KERNEL); - if (!tr) - return -ENOMEM; - - rtnl_lock(); - rcu_read_lock(); - - ret = -EEXIST; - list_for_each_entry(tr1, &trelay_devs, list) { - if (!strcmp(tr1->name, name)) - goto out; - } - - ret = -ENOENT; - dev1 = dev_get_by_name_rcu(&init_net, devn1); - dev2 = dev_get_by_name_rcu(&init_net, devn2); - if (!dev1 || !dev2) - goto out; - - ret = netdev_rx_handler_register(dev1, trelay_handle_frame, dev2); - if (ret < 0) - goto out; - - ret = netdev_rx_handler_register(dev2, trelay_handle_frame, dev1); - if (ret < 0) { - netdev_rx_handler_unregister(dev1); - goto out; - } - - dev_hold(dev1); - dev_hold(dev2); - - strcpy(tr->name, name); - tr->dev1 = dev1; - tr->dev2 = dev2; - list_add_tail(&tr->list, &trelay_devs); - - tr->debugfs = debugfs_create_dir(name, debugfs_dir); - debugfs_create_file("remove", S_IWUSR, tr->debugfs, tr, &fops_remove); - ret = 0; - -out: - rcu_read_unlock(); - rtnl_unlock(); - if (ret < 0) - kfree(tr); - - return ret; -} - -static ssize_t trelay_add_write(struct file *file, const char __user *ubuf, - size_t count, loff_t *ppos) -{ - char buf[256]; - char *dev1, *dev2, *tmp; - ssize_t len, ret; - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, ubuf, len)) - return -EFAULT; - - buf[len] = 0; - - if ((tmp = strchr(buf, '\n'))) - *tmp = 0; - - dev1 = strchr(buf, ','); - if (!dev1) - return -EINVAL; - - *(dev1++) = 0; - - dev2 = strchr(dev1, ','); - if (!dev2) - return -EINVAL; - - *(dev2++) = 0; - if (strchr(dev2, ',')) - return -EINVAL; - - if (!strlen(buf) || !strlen(dev1) || !strlen(dev2)) - return -EINVAL; - - ret = trelay_do_add(buf, dev1, dev2); - if (ret < 0) - return ret; - - return count; -} - -static const struct file_operations fops_add = { - .owner = THIS_MODULE, - .write = trelay_add_write, - .llseek = default_llseek, -}; - -static struct notifier_block tr_dev_notifier = { - .notifier_call = tr_device_event -}; - -static int __init trelay_init(void) -{ - int ret; - - debugfs_dir = debugfs_create_dir("trelay", NULL); - if (!debugfs_dir) - return -ENOMEM; - - debugfs_create_file("add", S_IWUSR, debugfs_dir, NULL, &fops_add); - - ret = register_netdevice_notifier(&tr_dev_notifier); - if (ret < 0) - goto error; - - return 0; - -error: - debugfs_remove_recursive(debugfs_dir); - return ret; -} - -static void __exit trelay_exit(void) -{ - struct trelay *tr, *tmp; - - unregister_netdevice_notifier(&tr_dev_notifier); - - rtnl_lock(); - list_for_each_entry_safe(tr, tmp, &trelay_devs, list) - trelay_do_remove(tr); - rtnl_unlock(); - - debugfs_remove_recursive(debugfs_dir); -} - -module_init(trelay_init); -module_exit(trelay_exit); -MODULE_LICENSE("GPL"); -- cgit v1.2.3