diff options
Diffstat (limited to 'net/batman-adv')
40 files changed, 9944 insertions, 0 deletions
diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig new file mode 100644 index 00000000000..6c051ad833e --- /dev/null +++ b/net/batman-adv/Kconfig @@ -0,0 +1,25 @@ +# +# B.A.T.M.A.N meshing protocol +# + +config BATMAN_ADV + tristate "B.A.T.M.A.N. Advanced Meshing Protocol" + depends on NET + default n + ---help--- + + B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is + a routing protocol for multi-hop ad-hoc mesh networks. The + networks may be wired or wireless. See + http://www.open-mesh.org/ for more information and user space + tools. + +config BATMAN_ADV_DEBUG + bool "B.A.T.M.A.N. debugging" + depends on BATMAN_ADV != n + ---help--- + + This is an option for use by developers; most people should + say N here. This enables compilation of support for + outputting debugging information to the kernel log. The + output is controlled via the module parameter debug. diff --git a/net/batman-adv/Makefile b/net/batman-adv/Makefile new file mode 100644 index 00000000000..d936aeccd19 --- /dev/null +++ b/net/batman-adv/Makefile @@ -0,0 +1,39 @@ +# +# Copyright (C) 2007-2010 B.A.T.M.A.N. contributors: +# +# Marek Lindner, Simon Wunderlich +# +# 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 +# + +obj-$(CONFIG_BATMAN_ADV) += batman-adv.o +batman-adv-y += aggregation.o +batman-adv-y += bat_debugfs.o +batman-adv-y += bat_sysfs.o +batman-adv-y += bitarray.o +batman-adv-y += gateway_client.o +batman-adv-y += gateway_common.o +batman-adv-y += hard-interface.o +batman-adv-y += hash.o +batman-adv-y += icmp_socket.o +batman-adv-y += main.o +batman-adv-y += originator.o +batman-adv-y += ring_buffer.o +batman-adv-y += routing.o +batman-adv-y += send.o +batman-adv-y += soft-interface.o +batman-adv-y += translation-table.o +batman-adv-y += unicast.o +batman-adv-y += vis.o diff --git a/net/batman-adv/aggregation.c b/net/batman-adv/aggregation.c new file mode 100644 index 00000000000..3850a3ecf94 --- /dev/null +++ b/net/batman-adv/aggregation.c @@ -0,0 +1,273 @@ +/* + * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors: + * + * Marek Lindner, Simon Wunderlich + * + * 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 "main.h" +#include "aggregation.h" +#include "send.h" +#include "routing.h" + +/* calculate the size of the hna information for a given packet */ +static int hna_len(struct batman_packet *batman_packet) +{ + return batman_packet->num_hna * ETH_ALEN; +} + +/* return true if new_packet can be aggregated with forw_packet */ +static bool can_aggregate_with(struct batman_packet *new_batman_packet, + int packet_len, + unsigned long send_time, + bool directlink, + struct batman_if *if_incoming, + struct forw_packet *forw_packet) +{ + struct batman_packet *batman_packet = + (struct batman_packet *)forw_packet->skb->data; + int aggregated_bytes = forw_packet->packet_len + packet_len; + + /** + * we can aggregate the current packet to this aggregated packet + * if: + * + * - the send time is within our MAX_AGGREGATION_MS time + * - the resulting packet wont be bigger than + * MAX_AGGREGATION_BYTES + */ + + if (time_before(send_time, forw_packet->send_time) && + time_after_eq(send_time + msecs_to_jiffies(MAX_AGGREGATION_MS), + forw_packet->send_time) && + (aggregated_bytes <= MAX_AGGREGATION_BYTES)) { + + /** + * check aggregation compatibility + * -> direct link packets are broadcasted on + * their interface only + * -> aggregate packet if the current packet is + * a "global" packet as well as the base + * packet + */ + + /* packets without direct link flag and high TTL + * are flooded through the net */ + if ((!directlink) && + (!(batman_packet->flags & DIRECTLINK)) && + (batman_packet->ttl != 1) && + + /* own packets originating non-primary + * interfaces leave only that interface */ + ((!forw_packet->own) || + (forw_packet->if_incoming->if_num == 0))) + return true; + + /* if the incoming packet is sent via this one + * interface only - we still can aggregate */ + if ((directlink) && + (new_batman_packet->ttl == 1) && + (forw_packet->if_incoming == if_incoming) && + + /* packets from direct neighbors or + * own secondary interface packets + * (= secondary interface packets in general) */ + (batman_packet->flags & DIRECTLINK || + (forw_packet->own && + forw_packet->if_incoming->if_num != 0))) + return true; + } + + return false; +} + +#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) +/* create a new aggregated packet and add this packet to it */ +static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, + unsigned long send_time, bool direct_link, + struct batman_if *if_incoming, + int own_packet) +{ + struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct forw_packet *forw_packet_aggr; + unsigned char *skb_buff; + + /* own packet should always be scheduled */ + if (!own_packet) { + if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) { + bat_dbg(DBG_BATMAN, bat_priv, + "batman packet queue full\n"); + return; + } + } + + forw_packet_aggr = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC); + if (!forw_packet_aggr) { + if (!own_packet) + atomic_inc(&bat_priv->batman_queue_left); + return; + } + + if ((atomic_read(&bat_priv->aggregated_ogms)) && + (packet_len < MAX_AGGREGATION_BYTES)) + forw_packet_aggr->skb = dev_alloc_skb(MAX_AGGREGATION_BYTES + + sizeof(struct ethhdr)); + else + forw_packet_aggr->skb = dev_alloc_skb(packet_len + + sizeof(struct ethhdr)); + + if (!forw_packet_aggr->skb) { + if (!own_packet) + atomic_inc(&bat_priv->batman_queue_left); + kfree(forw_packet_aggr); + return; + } + skb_reserve(forw_packet_aggr->skb, sizeof(struct ethhdr)); + + INIT_HLIST_NODE(&forw_packet_aggr->list); + + skb_buff = skb_put(forw_packet_aggr->skb, packet_len); + forw_packet_aggr->packet_len = packet_len; + memcpy(skb_buff, packet_buff, packet_len); + + forw_packet_aggr->own = own_packet; + forw_packet_aggr->if_incoming = if_incoming; + forw_packet_aggr->num_packets = 0; + forw_packet_aggr->direct_link_flags = 0; + forw_packet_aggr->send_time = send_time; + + /* save packet direct link flag status */ + if (direct_link) + forw_packet_aggr->direct_link_flags |= 1; + + /* add new packet to packet list */ + spin_lock_bh(&bat_priv->forw_bat_list_lock); + hlist_add_head(&forw_packet_aggr->list, &bat_priv->forw_bat_list); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); + + /* start timer for this packet */ + INIT_DELAYED_WORK(&forw_packet_aggr->delayed_work, + send_outstanding_bat_packet); + queue_delayed_work(bat_event_workqueue, + &forw_packet_aggr->delayed_work, + send_time - jiffies); +} + +/* aggregate a new packet into the existing aggregation */ +static void aggregate(struct forw_packet *forw_packet_aggr, + unsigned char *packet_buff, + int packet_len, + bool direct_link) +{ + unsigned char *skb_buff; + + skb_buff = skb_put(forw_packet_aggr->skb, packet_len); + memcpy(skb_buff, packet_buff, packet_len); + forw_packet_aggr->packet_len += packet_len; + forw_packet_aggr->num_packets++; + + /* save packet direct link flag status */ + if (direct_link) + forw_packet_aggr->direct_link_flags |= + (1 << forw_packet_aggr->num_packets); +} + +void add_bat_packet_to_list(struct bat_priv *bat_priv, + unsigned char *packet_buff, int packet_len, + struct batman_if *if_incoming, char own_packet, + unsigned long send_time) +{ + /** + * _aggr -> pointer to the packet we want to aggregate with + * _pos -> pointer to the position in the queue + */ + struct forw_packet *forw_packet_aggr = NULL, *forw_packet_pos = NULL; + struct hlist_node *tmp_node; + struct batman_packet *batman_packet = + (struct batman_packet *)packet_buff; + bool direct_link = batman_packet->flags & DIRECTLINK ? 1 : 0; + + /* find position for the packet in the forward queue */ + spin_lock_bh(&bat_priv->forw_bat_list_lock); + /* own packets are not to be aggregated */ + if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) { + hlist_for_each_entry(forw_packet_pos, tmp_node, + &bat_priv->forw_bat_list, list) { + if (can_aggregate_with(batman_packet, + packet_len, + send_time, + direct_link, + if_incoming, + forw_packet_pos)) { + forw_packet_aggr = forw_packet_pos; + break; + } + } + } + + /* nothing to aggregate with - either aggregation disabled or no + * suitable aggregation packet found */ + if (!forw_packet_aggr) { + /* the following section can run without the lock */ + spin_unlock_bh(&bat_priv->forw_bat_list_lock); + + /** + * if we could not aggregate this packet with one of the others + * we hold it back for a while, so that it might be aggregated + * later on + */ + if ((!own_packet) && + (atomic_read(&bat_priv->aggregated_ogms))) + send_time += msecs_to_jiffies(MAX_AGGREGATION_MS); + + new_aggregated_packet(packet_buff, packet_len, + send_time, direct_link, + if_incoming, own_packet); + } else { + aggregate(forw_packet_aggr, + packet_buff, packet_len, + direct_link); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); + } +} + +/* unpack the aggregated packets and process them one by one */ +void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff, + int packet_len, struct batman_if *if_incoming) +{ + struct batman_packet *batman_packet; + int buff_pos = 0; + unsigned char *hna_buff; + + batman_packet = (struct batman_packet *)packet_buff; + + do { + /* network to host order for our 32bit seqno, and the + orig_interval. */ + batman_packet->seqno = ntohl(batman_packet->seqno); + + hna_buff = packet_buff + buff_pos + BAT_PACKET_LEN; + receive_bat_packet(ethhdr, batman_packet, + hna_buff, hna_len(batman_packet), + if_incoming); + + buff_pos += BAT_PACKET_LEN + hna_len(batman_packet); + batman_packet = (struct batman_packet *) + (packet_buff + buff_pos); + } while (aggregated_packet(buff_pos, packet_len, + batman_packet->num_hna)); +} diff --git a/net/batman-adv/aggregation.h b/net/batman-adv/aggregation.h new file mode 100644 index 00000000000..71a91b3da91 --- /dev/null +++ b/net/batman-adv/aggregation.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors: + * + * Marek Lindner, Simon Wunderlich + * + * 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 _NET_BATMAN_ADV_AGGREGATION_H_ +#define _NET_BATMAN_ADV_AGGREGATION_H_ + +#include "main.h" + +/* is there another aggregated packet here? */ +static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna) +{ + int next_buff_pos = buff_pos + BAT_PACKET_LEN + (num_hna * ETH_ALEN); + + return (next_buff_pos <= packet_len) && + (next_buff_pos <= MAX_AGGREGATION_BYTES); +} + +void add_bat_packet_to_list(struct bat_priv *bat_priv, + unsigned char *packet_buff, int packet_len, + struct batman_if *if_incoming, char own_packet, + unsigned long send_time); +void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff, + int packet_len, struct batman_if *if_incoming); + +#endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */ diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c new file mode 100644 index 00000000000..0ae81d07f10 --- /dev/null +++ b/net/batman-adv/bat_debugfs.c @@ -0,0 +1,360 @@ +/* + * 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 "main.h" + +#include <linux/debugfs.h> + +#include "bat_debugfs.h" +#include "translation-table.h" +#include "originator.h" +#include "hard-interface.h" +#include "gateway_common.h" +#include "gateway_client.h" +#include "soft-interface.h" +#include "vis.h" +#include "icmp_socket.h" + +static struct dentry *bat_debugfs; + +#ifdef CONFIG_BATMAN_ADV_DEBUG +#define LOG_BUFF_MASK (log_buff_len-1) +#define LOG_BUFF(idx) (debug_log->log_buff[(idx) & LOG_BUFF_MASK]) + +static int log_buff_len = LOG_BUF_LEN; + +static void emit_log_char(struct debug_log *debug_log, char c) +{ + LOG_BUFF(debug_log->log_end) = c; + debug_log->log_end++; + + if (debug_log->log_end - debug_log->log_start > log_buff_len) + debug_log->log_start = debug_log->log_end - log_buff_len; +} + +static int fdebug_log(struct debug_log *debug_log, char *fmt, ...) +{ + int printed_len; + va_list args; + static char debug_log_buf[256]; + char *p; + + if (!debug_log) + return 0; + + spin_lock_bh(&debug_log->lock); + va_start(args, fmt); + printed_len = vscnprintf(debug_log_buf, sizeof(debug_log_buf), + fmt, args); + va_end(args); + + for (p = debug_log_buf; *p != 0; p++) + emit_log_char(debug_log, *p); + + spin_unlock_bh(&debug_log->lock); + + wake_up(&debug_log->queue_wait); + + return 0; +} + +int debug_log(struct bat_priv *bat_priv, char *fmt, ...) +{ + va_list args; + char tmp_log_buf[256]; + + va_start(args, fmt); + vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args); + fdebug_log(bat_priv->debug_log, "[%10u] %s", + (jiffies / HZ), tmp_log_buf); + va_end(args); + + return 0; +} + +static int log_open(struct inode *inode, struct file *file) +{ + nonseekable_open(inode, file); + file->private_data = inode->i_private; + inc_module_count(); + return 0; +} + +static int log_release(struct inode *inode, struct file *file) +{ + dec_module_count(); + return 0; +} + +static ssize_t log_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + struct bat_priv *bat_priv = file->private_data; + struct debug_log *debug_log = bat_priv->debug_log; + int error, i = 0; + char c; + + if ((file->f_flags & O_NONBLOCK) && + !(debug_log->log_end - debug_log->log_start)) + return -EAGAIN; + + if ((!buf) || (count < 0)) + return -EINVAL; + + if (count == 0) + return 0; + + if (!access_ok(VERIFY_WRITE, buf, count)) + return -EFAULT; + + error = wait_event_interruptible(debug_log->queue_wait, + (debug_log->log_start - debug_log->log_end)); + + if (error) + return error; + + spin_lock_bh(&debug_log->lock); + + while ((!error) && (i < count) && + (debug_log->log_start != debug_log->log_end)) { + c = LOG_BUFF(debug_log->log_start); + + debug_log->log_start++; + + spin_unlock_bh(&debug_log->lock); + + error = __put_user(c, buf); + + spin_lock_bh(&debug_log->lock); + + buf++; + i++; + + } + + spin_unlock_bh(&debug_log->lock); + + if (!error) + return i; + + return error; +} + +static unsigned int log_poll(struct file *file, poll_table *wait) +{ + struct bat_priv *bat_priv = file->private_data; + struct debug_log *debug_log = bat_priv->debug_log; + + poll_wait(file, &debug_log->queue_wait, wait); + + if (debug_log->log_end - debug_log->log_start) + return POLLIN | POLLRDNORM; + + return 0; +} + +static const struct file_operations log_fops = { + .open = log_open, + .release = log_release, + .read = log_read, + .poll = log_poll, + .llseek = no_llseek, +}; + +static int debug_log_setup(struct bat_priv *bat_priv) +{ + struct dentry *d; + + if (!bat_priv->debug_dir) + goto err; + + bat_priv->debug_log = kzalloc(sizeof(struct debug_log), GFP_ATOMIC); + if (!bat_priv->debug_log) + goto err; + + spin_lock_init(&bat_priv->debug_log->lock); + init_waitqueue_head(&bat_priv->debug_log->queue_wait); + + d = debugfs_create_file("log", S_IFREG | S_IRUSR, + bat_priv->debug_dir, bat_priv, &log_fops); + if (d) + goto err; + + return 0; + +err: + return 1; +} + +static void debug_log_cleanup(struct bat_priv *bat_priv) +{ + kfree(bat_priv->debug_log); + bat_priv->debug_log = NULL; +} +#else /* CONFIG_BATMAN_ADV_DEBUG */ +static int debug_log_setup(struct bat_priv *bat_priv) +{ + bat_priv->debug_log = NULL; + return 0; +} + +static void debug_log_cleanup(struct bat_priv *bat_priv) +{ + return; +} +#endif + +static int originators_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, orig_seq_print_text, net_dev); +} + +static int gateways_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, gw_client_seq_print_text, net_dev); +} + +static int softif_neigh_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, softif_neigh_seq_print_text, net_dev); +} + +static int transtable_global_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, hna_global_seq_print_text, net_dev); +} + +static int transtable_local_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, hna_local_seq_print_text, net_dev); +} + +static int vis_data_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, vis_seq_print_text, net_dev); +} + +struct bat_debuginfo { + struct attribute attr; + const struct file_operations fops; +}; + +#define BAT_DEBUGINFO(_name, _mode, _open) \ +struct bat_debuginfo bat_debuginfo_##_name = { \ + .attr = { .name = __stringify(_name), \ + .mode = _mode, }, \ + .fops = { .owner = THIS_MODULE, \ + .open = _open, \ + .read = seq_read, \ + .llseek = seq_lseek, \ + .release = single_release, \ + } \ +}; + +static BAT_DEBUGINFO(originators, S_IRUGO, originators_open); +static BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open); +static BAT_DEBUGINFO(softif_neigh, S_IRUGO, softif_neigh_open); +static BAT_DEBUGINFO(transtable_global, S_IRUGO, transtable_global_open); +static BAT_DEBUGINFO(transtable_local, S_IRUGO, transtable_local_open); +static BAT_DEBUGINFO(vis_data, S_IRUGO, vis_data_open); + +static struct bat_debuginfo *mesh_debuginfos[] = { + &bat_debuginfo_originators, + &bat_debuginfo_gateways, + &bat_debuginfo_softif_neigh, + &bat_debuginfo_transtable_global, + &bat_debuginfo_transtable_local, + &bat_debuginfo_vis_data, + NULL, +}; + +void debugfs_init(void) +{ + bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL); + if (bat_debugfs == ERR_PTR(-ENODEV)) + bat_debugfs = 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); + struct bat_debuginfo **bat_debug; + struct dentry *file; + + 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); + debug_log_setup(bat_priv); + + for (bat_debug = mesh_debuginfos; *bat_debug; ++bat_debug) { + file = debugfs_create_file(((*bat_debug)->attr).name, + S_IFREG | ((*bat_debug)->attr).mode, + bat_priv->debug_dir, + dev, &(*bat_debug)->fops); + if (!file) { + bat_err(dev, "Can't add debugfs file: %s/%s\n", + dev->name, ((*bat_debug)->attr).name); + goto rem_attr; + } + } + + return 0; +rem_attr: + debugfs_remove_recursive(bat_priv->debug_dir); + bat_priv->debug_dir = NULL; +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); + + debug_log_cleanup(bat_priv); + + if (bat_debugfs) { + debugfs_remove_recursive(bat_priv->debug_dir); + bat_priv->debug_dir = NULL; + } +} diff --git a/net/batman-adv/bat_debugfs.h b/net/batman-adv/bat_debugfs.h new file mode 100644 index 00000000000..72df532b7d5 --- /dev/null +++ b/net/batman-adv/bat_debugfs.h @@ -0,0 +1,33 @@ +/* + * 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 _NET_BATMAN_ADV_DEBUGFS_H_ +#define _NET_BATMAN_ADV_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 /* _NET_BATMAN_ADV_DEBUGFS_H_ */ diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c new file mode 100644 index 00000000000..cd7bb51825f --- /dev/null +++ b/net/batman-adv/bat_sysfs.c @@ -0,0 +1,593 @@ +/* + * 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, US |