#
obj-m += batman-adv.o
-batman-adv-objs := main.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o bat_sysfs.o
+batman-adv-objs := main.o bat_debugfs.o bat_sysfs.o send.o routing.o soft-interface.o icmp_socket.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o
--- /dev/null
+/*
+ * Copyright (C) 2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+#include <linux/debugfs.h>
+
+#include "main.h"
+#include "bat_debugfs.h"
+#include "translation-table.h"
+#include "originator.h"
+#include "hard-interface.h"
+#include "vis.h"
+#include "icmp_socket.h"
+
+static struct dentry *bat_debugfs;
+
+void debugfs_init(void)
+{
+ bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL);
+}
+
+void debugfs_destroy(void)
+{
+ if (bat_debugfs) {
+ debugfs_remove_recursive(bat_debugfs);
+ bat_debugfs = NULL;
+ }
+}
+
+int debugfs_add_meshif(struct net_device *dev)
+{
+ struct bat_priv *bat_priv = netdev_priv(dev);
+
+ if (!bat_debugfs)
+ goto out;
+
+ bat_priv->debug_dir = debugfs_create_dir(dev->name, bat_debugfs);
+ if (!bat_priv->debug_dir)
+ goto out;
+
+ bat_socket_setup(bat_priv);
+
+ return 0;
+out:
+#ifdef CONFIG_DEBUG_FS
+ return -ENOMEM;
+#else
+ return 0;
+#endif /* CONFIG_DEBUG_FS */
+}
+
+void debugfs_del_meshif(struct net_device *dev)
+{
+ struct bat_priv *bat_priv = netdev_priv(dev);
+
+ if (bat_debugfs) {
+ debugfs_remove_recursive(bat_priv->debug_dir);
+ bat_priv->debug_dir = NULL;
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+
+#ifndef BAT_DEBUGFS_H
+#define BAT_DEBUGFS_H
+
+#define DEBUGFS_BAT_SUBDIR "batman_adv"
+
+void debugfs_init(void);
+void debugfs_destroy(void);
+int debugfs_add_meshif(struct net_device *dev);
+void debugfs_del_meshif(struct net_device *dev);
+
+#endif
+++ /dev/null
-/*
- * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License 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 Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#include <linux/device.h>
-#include <linux/slab.h>
-#include "main.h"
-#include "device.h"
-#include "send.h"
-#include "types.h"
-#include "hash.h"
-#include "hard-interface.h"
-
-static struct class *batman_class;
-
-static int Major; /* Major number assigned to our device driver */
-
-static const struct file_operations fops = {
- .open = bat_device_open,
- .release = bat_device_release,
- .read = bat_device_read,
- .write = bat_device_write,
- .poll = bat_device_poll,
-};
-
-static struct device_client *device_client_hash[256];
-
-void bat_device_init(void)
-{
- memset(device_client_hash, 0, sizeof(device_client_hash));
-}
-
-int bat_device_setup(void)
-{
- int tmp_major;
-
- if (Major)
- return 1;
-
- /* register our device - kernel assigns a free major number */
- tmp_major = register_chrdev(0, DRIVER_DEVICE, &fops);
- if (tmp_major < 0) {
- printk(KERN_ERR "batman-adv:"
- "Registering the character device failed with %d\n",
- tmp_major);
- return 0;
- }
-
- batman_class = class_create(THIS_MODULE, "batman-adv");
-
- if (IS_ERR(batman_class)) {
- printk(KERN_ERR "batman-adv:"
- "Could not register class 'batman-adv'\n");
- return 0;
- }
-
- device_create(batman_class, NULL, MKDEV(tmp_major, 0), NULL,
- "batman-adv");
-
- Major = tmp_major;
- return 1;
-}
-
-void bat_device_destroy(void)
-{
- if (!Major)
- return;
-
- device_destroy(batman_class, MKDEV(Major, 0));
- class_destroy(batman_class);
-
- /* Unregister the device */
- unregister_chrdev(Major, DRIVER_DEVICE);
-
- Major = 0;
-}
-
-int bat_device_open(struct inode *inode, struct file *file)
-{
- unsigned int i;
- struct device_client *device_client;
-
- device_client = kmalloc(sizeof(struct device_client), GFP_KERNEL);
-
- if (!device_client)
- return -ENOMEM;
-
- for (i = 0; i < ARRAY_SIZE(device_client_hash); i++) {
- if (!device_client_hash[i]) {
- device_client_hash[i] = device_client;
- break;
- }
- }
-
- if (i == ARRAY_SIZE(device_client_hash)) {
- printk(KERN_ERR "batman-adv:"
- "Error - can't add another packet client: "
- "maximum number of clients reached\n");
- kfree(device_client);
- return -EXFULL;
- }
-
- INIT_LIST_HEAD(&device_client->queue_list);
- device_client->queue_len = 0;
- device_client->index = i;
- spin_lock_init(&device_client->lock);
- init_waitqueue_head(&device_client->queue_wait);
-
- file->private_data = device_client;
-
- inc_module_count();
- return 0;
-}
-
-int bat_device_release(struct inode *inode, struct file *file)
-{
- struct device_client *device_client =
- (struct device_client *)file->private_data;
- struct device_packet *device_packet;
- struct list_head *list_pos, *list_pos_tmp;
- unsigned long flags;
-
- spin_lock_irqsave(&device_client->lock, flags);
-
- /* for all packets in the queue ... */
- list_for_each_safe(list_pos, list_pos_tmp, &device_client->queue_list) {
- device_packet = list_entry(list_pos,
- struct device_packet, list);
-
- list_del(list_pos);
- kfree(device_packet);
- }
-
- device_client_hash[device_client->index] = NULL;
- spin_unlock_irqrestore(&device_client->lock, flags);
-
- kfree(device_client);
- dec_module_count();
-
- return 0;
-}
-
-ssize_t bat_device_read(struct file *file, char __user *buf, size_t count,
- loff_t *ppos)
-{
- struct device_client *device_client =
- (struct device_client *)file->private_data;
- struct device_packet *device_packet;
- int error;
- unsigned long flags;
-
- if ((file->f_flags & O_NONBLOCK) && (device_client->queue_len == 0))
- return -EAGAIN;
-
- if ((!buf) || (count < sizeof(struct icmp_packet)))
- return -EINVAL;
-
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
-
- error = wait_event_interruptible(device_client->queue_wait,
- device_client->queue_len);
-
- if (error)
- return error;
-
- spin_lock_irqsave(&device_client->lock, flags);
-
- device_packet = list_first_entry(&device_client->queue_list,
- struct device_packet, list);
- list_del(&device_packet->list);
- device_client->queue_len--;
-
- spin_unlock_irqrestore(&device_client->lock, flags);
-
- error = __copy_to_user(buf, &device_packet->icmp_packet,
- sizeof(struct icmp_packet));
-
- kfree(device_packet);
-
- if (error)
- return -EFAULT;
-
- return sizeof(struct icmp_packet);
-}
-
-ssize_t bat_device_write(struct file *file, const char __user *buff,
- size_t len, loff_t *off)
-{
- struct device_client *device_client =
- (struct device_client *)file->private_data;
- struct icmp_packet icmp_packet;
- struct orig_node *orig_node;
- struct batman_if *batman_if;
- uint8_t dstaddr[ETH_ALEN];
- unsigned long flags;
-
- if (len < sizeof(struct icmp_packet)) {
- bat_dbg(DBG_BATMAN, "batman-adv:"
- "Error - can't send packet from char device: "
- "invalid packet size\n");
- return -EINVAL;
- }
-
- if (!access_ok(VERIFY_READ, buff, sizeof(struct icmp_packet)))
- return -EFAULT;
-
- if (__copy_from_user(&icmp_packet, buff, sizeof(icmp_packet)))
- return -EFAULT;
-
- if (icmp_packet.packet_type != BAT_ICMP) {
- bat_dbg(DBG_BATMAN, "batman-adv:"
- "Error - can't send packet from char device: "
- "got bogus packet type (expected: BAT_ICMP)\n");
- return -EINVAL;
- }
-
- if (icmp_packet.msg_type != ECHO_REQUEST) {
- bat_dbg(DBG_BATMAN, "batman-adv:"
- "Error - can't send packet from char device: "
- "got bogus message type (expected: ECHO_REQUEST)\n");
- return -EINVAL;
- }
-
- icmp_packet.uid = device_client->index;
-
- if (icmp_packet.version != COMPAT_VERSION) {
- icmp_packet.msg_type = PARAMETER_PROBLEM;
- icmp_packet.ttl = COMPAT_VERSION;
- bat_device_add_packet(device_client, &icmp_packet);
- goto out;
- }
-
- if (atomic_read(&module_state) != MODULE_ACTIVE)
- goto dst_unreach;
-
- spin_lock_irqsave(&orig_hash_lock, flags);
- orig_node = ((struct orig_node *)hash_find(orig_hash, icmp_packet.dst));
-
- if (!orig_node)
- goto unlock;
-
- if (!orig_node->router)
- goto unlock;
-
- batman_if = orig_node->router->if_incoming;
- memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
-
- spin_unlock_irqrestore(&orig_hash_lock, flags);
-
- if (!batman_if)
- goto dst_unreach;
-
- if (batman_if->if_status != IF_ACTIVE)
- goto dst_unreach;
-
- memcpy(icmp_packet.orig,
- batman_if->net_dev->dev_addr,
- ETH_ALEN);
-
- send_raw_packet((unsigned char *)&icmp_packet,
- sizeof(struct icmp_packet),
- batman_if, dstaddr);
-
- goto out;
-
-unlock:
- spin_unlock_irqrestore(&orig_hash_lock, flags);
-dst_unreach:
- icmp_packet.msg_type = DESTINATION_UNREACHABLE;
- bat_device_add_packet(device_client, &icmp_packet);
-out:
- return len;
-}
-
-unsigned int bat_device_poll(struct file *file, poll_table *wait)
-{
- struct device_client *device_client =
- (struct device_client *)file->private_data;
-
- poll_wait(file, &device_client->queue_wait, wait);
-
- if (device_client->queue_len > 0)
- return POLLIN | POLLRDNORM;
-
- return 0;
-}
-
-void bat_device_add_packet(struct device_client *device_client,
- struct icmp_packet *icmp_packet)
-{
- struct device_packet *device_packet;
- unsigned long flags;
-
- device_packet = kmalloc(sizeof(struct device_packet), GFP_ATOMIC);
-
- if (!device_packet)
- return;
-
- INIT_LIST_HEAD(&device_packet->list);
- memcpy(&device_packet->icmp_packet, icmp_packet,
- sizeof(struct icmp_packet));
-
- spin_lock_irqsave(&device_client->lock, flags);
-
- /* while waiting for the lock the device_client could have been
- * deleted */
- if (!device_client_hash[icmp_packet->uid]) {
- spin_unlock_irqrestore(&device_client->lock, flags);
- kfree(device_packet);
- return;
- }
-
- list_add_tail(&device_packet->list, &device_client->queue_list);
- device_client->queue_len++;
-
- if (device_client->queue_len > 100) {
- device_packet = list_first_entry(&device_client->queue_list,
- struct device_packet, list);
-
- list_del(&device_packet->list);
- kfree(device_packet);
- device_client->queue_len--;
- }
-
- spin_unlock_irqrestore(&device_client->lock, flags);
-
- wake_up(&device_client->queue_wait);
-}
-
-void bat_device_receive_packet(struct icmp_packet *icmp_packet)
-{
- struct device_client *hash = device_client_hash[icmp_packet->uid];
-
- if (hash)
- bat_device_add_packet(hash, icmp_packet);
-}
+++ /dev/null
-/*
- * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License 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 Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#include "types.h"
-
-void bat_device_init(void);
-int bat_device_setup(void);
-void bat_device_destroy(void);
-int bat_device_open(struct inode *inode, struct file *file);
-int bat_device_release(struct inode *inode, struct file *file);
-ssize_t bat_device_read(struct file *file, char __user *buf, size_t count,
- loff_t *ppos);
-ssize_t bat_device_write(struct file *file, const char __user *buff,
- size_t len, loff_t *off);
-unsigned int bat_device_poll(struct file *file, poll_table *wait);
-void bat_device_add_packet(struct device_client *device_client,
- struct icmp_packet *icmp_packet);
-void bat_device_receive_packet(struct icmp_packet *icmp_packet);
--- /dev/null
+/*
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+#include <linux/debugfs.h>
+#include <linux/slab.h>
+#include "main.h"
+#include "icmp_socket.h"
+#include "send.h"
+#include "types.h"
+#include "hash.h"
+#include "hard-interface.h"
+
+
+static struct socket_client *socket_client_hash[256];
+
+static void bat_socket_add_packet(struct socket_client *socket_client,
+ struct icmp_packet *icmp_packet);
+
+void bat_socket_init(void)
+{
+ memset(socket_client_hash, 0, sizeof(socket_client_hash));
+}
+
+static int bat_socket_open(struct inode *inode, struct file *file)
+{
+ unsigned int i;
+ struct socket_client *socket_client;
+
+ socket_client = kmalloc(sizeof(struct socket_client), GFP_KERNEL);
+
+ if (!socket_client)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(socket_client_hash); i++) {
+ if (!socket_client_hash[i]) {
+ socket_client_hash[i] = socket_client;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(socket_client_hash)) {
+ printk(KERN_ERR "batman-adv:"
+ "Error - can't add another packet client: "
+ "maximum number of clients reached\n");
+ kfree(socket_client);
+ return -EXFULL;
+ }
+
+ INIT_LIST_HEAD(&socket_client->queue_list);
+ socket_client->queue_len = 0;
+ socket_client->index = i;
+ spin_lock_init(&socket_client->lock);
+ init_waitqueue_head(&socket_client->queue_wait);
+
+ file->private_data = socket_client;
+
+ inc_module_count();
+ return 0;
+}
+
+static int bat_socket_release(struct inode *inode, struct file *file)
+{
+ struct socket_client *socket_client =
+ (struct socket_client *)file->private_data;
+ struct socket_packet *socket_packet;
+ struct list_head *list_pos, *list_pos_tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&socket_client->lock, flags);
+
+ /* for all packets in the queue ... */
+ list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) {
+ socket_packet = list_entry(list_pos,
+ struct socket_packet, list);
+
+ list_del(list_pos);
+ kfree(socket_packet);
+ }
+
+ socket_client_hash[socket_client->index] = NULL;
+ spin_unlock_irqrestore(&socket_client->lock, flags);
+
+ kfree(socket_client);
+ dec_module_count();
+
+ return 0;
+}
+
+static ssize_t bat_socket_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct socket_client *socket_client =
+ (struct socket_client *)file->private_data;
+ struct socket_packet *socket_packet;
+ int error;
+ unsigned long flags;
+
+ if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0))
+ return -EAGAIN;
+
+ if ((!buf) || (count < sizeof(struct icmp_packet)))
+ return -EINVAL;
+
+ if (!access_ok(VERIFY_WRITE, buf, count))
+ return -EFAULT;
+
+ error = wait_event_interruptible(socket_client->queue_wait,
+ socket_client->queue_len);
+
+ if (error)
+ return error;
+
+ spin_lock_irqsave(&socket_client->lock, flags);
+
+ socket_packet = list_first_entry(&socket_client->queue_list,
+ struct socket_packet, list);
+ list_del(&socket_packet->list);
+ socket_client->queue_len--;
+
+ spin_unlock_irqrestore(&socket_client->lock, flags);
+
+ error = __copy_to_user(buf, &socket_packet->icmp_packet,
+ sizeof(struct icmp_packet));
+
+ kfree(socket_packet);
+
+ if (error)
+ return -EFAULT;
+
+ return sizeof(struct icmp_packet);
+}
+
+static ssize_t bat_socket_write(struct file *file, const char __user *buff,
+ size_t len, loff_t *off)
+{
+ struct socket_client *socket_client =
+ (struct socket_client *)file->private_data;
+ struct icmp_packet icmp_packet;
+ struct orig_node *orig_node;
+ struct batman_if *batman_if;
+ uint8_t dstaddr[ETH_ALEN];
+ unsigned long flags;
+
+ if (len < sizeof(struct icmp_packet)) {
+ bat_dbg(DBG_BATMAN, "batman-adv:"
+ "Error - can't send packet from char device: "
+ "invalid packet size\n");
+ return -EINVAL;
+ }
+
+ if (!access_ok(VERIFY_READ, buff, sizeof(struct icmp_packet)))
+ return -EFAULT;
+
+ if (__copy_from_user(&icmp_packet, buff, sizeof(icmp_packet)))
+ return -EFAULT;
+
+ if (icmp_packet.packet_type != BAT_ICMP) {
+ bat_dbg(DBG_BATMAN, "batman-adv:"
+ "Error - can't send packet from char device: "
+ "got bogus packet type (expected: BAT_ICMP)\n");
+ return -EINVAL;
+ }
+
+ if (icmp_packet.msg_type != ECHO_REQUEST) {
+ bat_dbg(DBG_BATMAN, "batman-adv:"
+ "Error - can't send packet from char device: "
+ "got bogus message type (expected: ECHO_REQUEST)\n");
+ return -EINVAL;
+ }
+
+ icmp_packet.uid = socket_client->index;
+
+ if (icmp_packet.version != COMPAT_VERSION) {
+ icmp_packet.msg_type = PARAMETER_PROBLEM;
+ icmp_packet.ttl = COMPAT_VERSION;
+ bat_socket_add_packet(socket_client, &icmp_packet);
+ goto out;
+ }
+
+ if (atomic_read(&module_state) != MODULE_ACTIVE)
+ goto dst_unreach;
+
+ spin_lock_irqsave(&orig_hash_lock, flags);
+ orig_node = ((struct orig_node *)hash_find(orig_hash, icmp_packet.dst));
+
+ if (!orig_node)
+ goto unlock;
+
+ if (!orig_node->router)
+ goto unlock;
+
+ batman_if = orig_node->router->if_incoming;
+ memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+
+ spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+ if (!batman_if)
+ goto dst_unreach;
+
+ if (batman_if->if_status != IF_ACTIVE)
+ goto dst_unreach;
+
+ memcpy(icmp_packet.orig,
+ batman_if->net_dev->dev_addr,
+ ETH_ALEN);
+
+ send_raw_packet((unsigned char *)&icmp_packet,
+ sizeof(struct icmp_packet),
+ batman_if, dstaddr);
+
+ goto out;
+
+unlock:
+ spin_unlock_irqrestore(&orig_hash_lock, flags);
+dst_unreach:
+ icmp_packet.msg_type = DESTINATION_UNREACHABLE;
+ bat_socket_add_packet(socket_client, &icmp_packet);
+out:
+ return len;
+}
+
+static unsigned int bat_socket_poll(struct file *file, poll_table *wait)
+{
+ struct socket_client *socket_client =
+ (struct socket_client *)file->private_data;
+
+ poll_wait(file, &socket_client->queue_wait, wait);
+
+ if (socket_client->queue_len > 0)
+ return POLLIN | POLLRDNORM;
+
+ return 0;
+}
+
+static const struct file_operations fops = {
+ .owner = THIS_MODULE,
+ .open = bat_socket_open,
+ .release = bat_socket_release,
+ .read = bat_socket_read,
+ .write = bat_socket_write,
+ .poll = bat_socket_poll,
+};
+
+int bat_socket_setup(struct bat_priv *bat_priv)
+{
+ struct dentry *d;
+
+ if (!bat_priv->debug_dir)
+ goto err;
+
+ d = debugfs_create_file(ICMP_SOCKET, S_IFREG | S_IWUSR | S_IRUSR,
+ bat_priv->debug_dir, NULL, &fops);
+ if (d)
+ goto err;
+
+ return 0;
+
+err:
+ return 1;
+}
+
+static void bat_socket_add_packet(struct socket_client *socket_client,
+ struct icmp_packet *icmp_packet)
+{
+ struct socket_packet *socket_packet;
+ unsigned long flags;
+
+ socket_packet = kmalloc(sizeof(struct socket_packet), GFP_ATOMIC);
+
+ if (!socket_packet)
+ return;
+
+ INIT_LIST_HEAD(&socket_packet->list);
+ memcpy(&socket_packet->icmp_packet, icmp_packet,
+ sizeof(struct icmp_packet));
+
+ spin_lock_irqsave(&socket_client->lock, flags);
+
+ /* while waiting for the lock the socket_client could have been
+ * deleted */
+ if (!socket_client_hash[icmp_packet->uid]) {
+ spin_unlock_irqrestore(&socket_client->lock, flags);
+ kfree(socket_packet);
+ return;
+ }
+
+ list_add_tail(&socket_packet->list, &socket_client->queue_list);
+ socket_client->queue_len++;
+
+ if (socket_client->queue_len > 100) {
+ socket_packet = list_first_entry(&socket_client->queue_list,
+ struct socket_packet, list);
+
+ list_del(&socket_packet->list);
+ kfree(socket_packet);
+ socket_client->queue_len--;
+ }
+
+ spin_unlock_irqrestore(&socket_client->lock, flags);
+
+ wake_up(&socket_client->queue_wait);
+}
+
+void bat_socket_receive_packet(struct icmp_packet *icmp_packet)
+{
+ struct socket_client *hash = socket_client_hash[icmp_packet->uid];
+
+ if (hash)
+ bat_socket_add_packet(hash, icmp_packet);
+}
--- /dev/null
+/*
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License 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 Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+#include "types.h"
+
+#define ICMP_SOCKET "socket"
+
+void bat_socket_init(void);
+int bat_socket_setup(struct bat_priv *bat_priv);
+void bat_socket_receive_packet(struct icmp_packet *icmp_packet);
#include "main.h"
#include "bat_sysfs.h"
+#include "bat_debugfs.h"
#include "routing.h"
#include "send.h"
#include "originator.h"
#include "soft-interface.h"
-#include "device.h"
+#include "icmp_socket.h"
#include "translation-table.h"
#include "hard-interface.h"
#include "types.h"
if (!bat_event_workqueue)
return -ENOMEM;
- bat_device_init();
+ bat_socket_init();
+ debugfs_init();
/* initialize layer 2 interface */
soft_device = alloc_netdev(sizeof(struct bat_priv) , "bat%d",
if (retval < 0)
goto unreg_soft_device;
+ retval = debugfs_add_meshif(soft_device);
+
+ if (retval < 0)
+ goto unreg_sysfs;
+
register_netdevice_notifier(&hard_if_notifier);
dev_add_pack(&batman_adv_packet_type);
return 0;
+unreg_sysfs:
+ sysfs_del_meshif(soft_device);
unreg_soft_device:
unregister_netdev(soft_device);
soft_device = NULL;
hardif_remove_interfaces();
if (soft_device) {
+ debugfs_del_meshif(soft_device);
sysfs_del_meshif(soft_device);
unregister_netdev(soft_device);
soft_device = NULL;
bat_event_workqueue = NULL;
}
-/* activates the module, creates bat device, starts timer ... */
+/* activates the module, starts timer ... */
void activate_module(void)
{
if (originator_init() < 1)
hna_local_add(soft_device->dev_addr);
- if (bat_device_setup() < 1)
- goto end;
-
if (vis_init() < 1)
goto err;
hna_global_free();
synchronize_net();
- bat_device_destroy();
+ debugfs_destroy();
synchronize_rcu();
atomic_set(&module_state, MODULE_INACTIVE);
#include "hash.h"
#include "soft-interface.h"
#include "hard-interface.h"
-#include "device.h"
+#include "icmp_socket.h"
#include "translation-table.h"
#include "originator.h"
#include "types.h"
/* add data to device queue */
if (icmp_packet->msg_type != ECHO_REQUEST) {
- bat_device_receive_packet(icmp_packet);
+ bat_socket_receive_packet(icmp_packet);
return NET_RX_DROP;
}
char num_ifaces;
struct batman_if *primary_if;
struct kobject *mesh_obj;
+ struct dentry *debug_dir;
};
-struct device_client {
+struct socket_client {
struct list_head queue_list;
unsigned int queue_len;
unsigned char index;
wait_queue_head_t queue_wait;
};
-struct device_packet {
+struct socket_packet {
struct list_head list;
struct icmp_packet icmp_packet;
};
projects / firefly-linux-kernel-4.4.55.git / commitdiff