-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
- *
*/
#include "main.h"
#include "originator.h"
#include "hard-interface.h"
-static struct socket_client *socket_client_hash[256];
+static struct batadv_socket_client *batadv_socket_client_hash[256];
-static void bat_socket_add_packet(struct socket_client *socket_client,
- struct icmp_packet_rr *icmp_packet,
- size_t icmp_len);
+static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
+ struct batadv_icmp_packet_rr *icmp_packet,
+ size_t icmp_len);
-void bat_socket_init(void)
+void batadv_socket_init(void)
{
- memset(socket_client_hash, 0, sizeof(socket_client_hash));
+ memset(batadv_socket_client_hash, 0, sizeof(batadv_socket_client_hash));
}
-static int bat_socket_open(struct inode *inode, struct file *file)
+static int batadv_socket_open(struct inode *inode, struct file *file)
{
unsigned int i;
- struct socket_client *socket_client;
+ struct batadv_socket_client *socket_client;
nonseekable_open(inode, file);
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;
+ for (i = 0; i < ARRAY_SIZE(batadv_socket_client_hash); i++) {
+ if (!batadv_socket_client_hash[i]) {
+ batadv_socket_client_hash[i] = socket_client;
break;
}
}
- if (i == ARRAY_SIZE(socket_client_hash)) {
+ if (i == ARRAY_SIZE(batadv_socket_client_hash)) {
pr_err("Error - can't add another packet client: maximum number of clients reached\n");
kfree(socket_client);
return -EXFULL;
file->private_data = socket_client;
- inc_module_count();
+ batadv_inc_module_count();
return 0;
}
-static int bat_socket_release(struct inode *inode, struct file *file)
+static int batadv_socket_release(struct inode *inode, struct file *file)
{
- struct socket_client *socket_client = file->private_data;
- struct socket_packet *socket_packet;
+ struct batadv_socket_client *socket_client = file->private_data;
+ struct batadv_socket_packet *socket_packet;
struct list_head *list_pos, *list_pos_tmp;
spin_lock_bh(&socket_client->lock);
/* 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);
+ struct batadv_socket_packet, list);
list_del(list_pos);
kfree(socket_packet);
}
- socket_client_hash[socket_client->index] = NULL;
+ batadv_socket_client_hash[socket_client->index] = NULL;
spin_unlock_bh(&socket_client->lock);
kfree(socket_client);
- dec_module_count();
+ batadv_dec_module_count();
return 0;
}
-static ssize_t bat_socket_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
+static ssize_t batadv_socket_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
{
- struct socket_client *socket_client = file->private_data;
- struct socket_packet *socket_packet;
+ struct batadv_socket_client *socket_client = file->private_data;
+ struct batadv_socket_packet *socket_packet;
size_t packet_len;
int error;
if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0))
return -EAGAIN;
- if ((!buf) || (count < sizeof(struct icmp_packet)))
+ if ((!buf) || (count < sizeof(struct batadv_icmp_packet)))
return -EINVAL;
if (!access_ok(VERIFY_WRITE, buf, count))
spin_lock_bh(&socket_client->lock);
socket_packet = list_first_entry(&socket_client->queue_list,
- struct socket_packet, list);
+ struct batadv_socket_packet, list);
list_del(&socket_packet->list);
socket_client->queue_len--;
return packet_len;
}
-static ssize_t bat_socket_write(struct file *file, const char __user *buff,
- size_t len, loff_t *off)
+static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
+ size_t len, loff_t *off)
{
- struct socket_client *socket_client = file->private_data;
- struct bat_priv *bat_priv = socket_client->bat_priv;
- struct hard_iface *primary_if = NULL;
+ struct batadv_socket_client *socket_client = file->private_data;
+ struct batadv_priv *bat_priv = socket_client->bat_priv;
+ struct batadv_hard_iface *primary_if = NULL;
struct sk_buff *skb;
- struct icmp_packet_rr *icmp_packet;
+ struct batadv_icmp_packet_rr *icmp_packet;
- struct orig_node *orig_node = NULL;
- struct neigh_node *neigh_node = NULL;
- size_t packet_len = sizeof(struct icmp_packet);
+ struct batadv_orig_node *orig_node = NULL;
+ struct batadv_neigh_node *neigh_node = NULL;
+ size_t packet_len = sizeof(struct batadv_icmp_packet);
- if (len < sizeof(struct icmp_packet)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Error - can't send packet from char device: invalid packet size\n");
+ if (len < sizeof(struct batadv_icmp_packet)) {
+ batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+ "Error - can't send packet from char device: invalid packet size\n");
return -EINVAL;
}
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
len = -EFAULT;
goto out;
}
- if (len >= sizeof(struct icmp_packet_rr))
- packet_len = sizeof(struct icmp_packet_rr);
+ if (len >= sizeof(struct batadv_icmp_packet_rr))
+ packet_len = sizeof(struct batadv_icmp_packet_rr);
skb = dev_alloc_skb(packet_len + ETH_HLEN);
if (!skb) {
}
skb_reserve(skb, ETH_HLEN);
- icmp_packet = (struct icmp_packet_rr *)skb_put(skb, packet_len);
+ icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len);
if (copy_from_user(icmp_packet, buff, packet_len)) {
len = -EFAULT;
goto free_skb;
}
- if (icmp_packet->header.packet_type != BAT_ICMP) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
+ if (icmp_packet->header.packet_type != BATADV_ICMP) {
+ batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+ "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
len = -EINVAL;
goto free_skb;
}
- if (icmp_packet->msg_type != ECHO_REQUEST) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
+ if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
+ batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+ "Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
len = -EINVAL;
goto free_skb;
}
icmp_packet->uid = socket_client->index;
- if (icmp_packet->header.version != COMPAT_VERSION) {
- icmp_packet->msg_type = PARAMETER_PROBLEM;
- icmp_packet->header.version = COMPAT_VERSION;
- bat_socket_add_packet(socket_client, icmp_packet, packet_len);
+ if (icmp_packet->header.version != BATADV_COMPAT_VERSION) {
+ icmp_packet->msg_type = BATADV_PARAMETER_PROBLEM;
+ icmp_packet->header.version = BATADV_COMPAT_VERSION;
+ batadv_socket_add_packet(socket_client, icmp_packet,
+ packet_len);
goto free_skb;
}
- if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
+ if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dst_unreach;
- orig_node = orig_hash_find(bat_priv, icmp_packet->dst);
+ orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->dst);
if (!orig_node)
goto dst_unreach;
- neigh_node = orig_node_get_router(orig_node);
+ neigh_node = batadv_orig_node_get_router(orig_node);
if (!neigh_node)
goto dst_unreach;
if (!neigh_node->if_incoming)
goto dst_unreach;
- if (neigh_node->if_incoming->if_status != IF_ACTIVE)
+ if (neigh_node->if_incoming->if_status != BATADV_IF_ACTIVE)
goto dst_unreach;
memcpy(icmp_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
- if (packet_len == sizeof(struct icmp_packet_rr))
+ if (packet_len == sizeof(struct batadv_icmp_packet_rr))
memcpy(icmp_packet->rr,
neigh_node->if_incoming->net_dev->dev_addr, ETH_ALEN);
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
goto out;
dst_unreach:
- icmp_packet->msg_type = DESTINATION_UNREACHABLE;
- bat_socket_add_packet(socket_client, icmp_packet, packet_len);
+ icmp_packet->msg_type = BATADV_DESTINATION_UNREACHABLE;
+ batadv_socket_add_packet(socket_client, icmp_packet, packet_len);
free_skb:
kfree_skb(skb);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
if (neigh_node)
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return len;
}
-static unsigned int bat_socket_poll(struct file *file, poll_table *wait)
+static unsigned int batadv_socket_poll(struct file *file, poll_table *wait)
{
- struct socket_client *socket_client = file->private_data;
+ struct batadv_socket_client *socket_client = file->private_data;
poll_wait(file, &socket_client->queue_wait, wait);
return 0;
}
-static const struct file_operations fops = {
+static const struct file_operations batadv_fops = {
.owner = THIS_MODULE,
- .open = bat_socket_open,
- .release = bat_socket_release,
- .read = bat_socket_read,
- .write = bat_socket_write,
- .poll = bat_socket_poll,
+ .open = batadv_socket_open,
+ .release = batadv_socket_release,
+ .read = batadv_socket_read,
+ .write = batadv_socket_write,
+ .poll = batadv_socket_poll,
.llseek = no_llseek,
};
-int bat_socket_setup(struct bat_priv *bat_priv)
+int batadv_socket_setup(struct batadv_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, bat_priv, &fops);
- if (d)
+ d = debugfs_create_file(BATADV_ICMP_SOCKET, S_IFREG | S_IWUSR | S_IRUSR,
+ bat_priv->debug_dir, bat_priv, &batadv_fops);
+ if (!d)
goto err;
return 0;
err:
- return 1;
+ return -ENOMEM;
}
-static void bat_socket_add_packet(struct socket_client *socket_client,
- struct icmp_packet_rr *icmp_packet,
- size_t icmp_len)
+static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
+ struct batadv_icmp_packet_rr *icmp_packet,
+ size_t icmp_len)
{
- struct socket_packet *socket_packet;
+ struct batadv_socket_packet *socket_packet;
socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC);
spin_lock_bh(&socket_client->lock);
/* while waiting for the lock the socket_client could have been
- * deleted */
- if (!socket_client_hash[icmp_packet->uid]) {
+ * deleted
+ */
+ if (!batadv_socket_client_hash[icmp_packet->uid]) {
spin_unlock_bh(&socket_client->lock);
kfree(socket_packet);
return;
if (socket_client->queue_len > 100) {
socket_packet = list_first_entry(&socket_client->queue_list,
- struct socket_packet, list);
+ struct batadv_socket_packet,
+ list);
list_del(&socket_packet->list);
kfree(socket_packet);
wake_up(&socket_client->queue_wait);
}
-void bat_socket_receive_packet(struct icmp_packet_rr *icmp_packet,
- size_t icmp_len)
+void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
+ size_t icmp_len)
{
- struct socket_client *hash = socket_client_hash[icmp_packet->uid];
+ struct batadv_socket_client *hash;
+ hash = batadv_socket_client_hash[icmp_packet->uid];
if (hash)
- bat_socket_add_packet(hash, icmp_packet, icmp_len);
+ batadv_socket_add_packet(hash, icmp_packet, icmp_len);
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff