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Staging: batman-adv: add routing debug log accessible via debugfs

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All routing debug messages are saved in a ring buffer that can be
read via the debugfs file "log".
Note that CONFIG_BATMAN_ADV_DEBUG must be activated to have the
debug logs compiled in.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Marek Lindner 2010-07-06 21:05:16 +02:00 committed by Greg Kroah-Hartman
parent e75fece2b8
commit 84ec086407
13 changed files with 371 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/staging/batman-adv/aggregation.c
View File

@ -106,11 +106,14 @@ static void new_aggregated_packet(unsigned char *packet_buff,
{
struct forw_packet *forw_packet_aggr;
unsigned long flags;
/* FIXME: each batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
/* own packet should always be scheduled */
if (!own_packet) {
if (!atomic_dec_not_zero(&batman_queue_left)) {
bat_dbg(DBG_BATMAN, "batman packet queue full\n");
bat_dbg(DBG_BATMAN, bat_priv,
"batman packet queue full\n");
return;
}
}

190
drivers/staging/batman-adv/bat_debugfs.c
View File

@ -31,6 +31,193 @@
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;
unsigned long flags;
if (!debug_log)
return 0;
spin_lock_irqsave(&debug_log->lock, flags);
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_irqrestore(&debug_log->lock, flags);
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)
{
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 = (struct bat_priv *)file->private_data;
struct debug_log *debug_log = bat_priv->debug_log;
int error, i = 0;
char c;
unsigned long flags;
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_irqsave(&debug_log->lock, flags);
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_irqrestore(&debug_log->lock, flags);
error = __put_user(c, buf);
spin_lock_irqsave(&debug_log->lock, flags);
buf++;
i++;
}
spin_unlock_irqrestore(&debug_log->lock, flags);
if (!error)
return i;
return error;
}
static unsigned int log_poll(struct file *file, poll_table *wait)
{
struct bat_priv *bat_priv = (struct 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,
};
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;
@ -114,6 +301,7 @@ int debugfs_add_meshif(struct net_device *dev)
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,
@ -143,6 +331,8 @@ 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;

54
drivers/staging/batman-adv/bat_sysfs.c
View File

@ -229,18 +229,70 @@ static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr,
return count;
}
#ifdef CONFIG_BATMAN_ADV_DEBUG
static ssize_t show_log_level(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
int log_level = atomic_read(&bat_priv->log_level);
return sprintf(buff, "%d\n", log_level);
}
static ssize_t store_log_level(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct bat_priv *bat_priv = netdev_priv(net_dev);
unsigned long log_level_tmp;
int ret;
ret = strict_strtoul(buff, 10, &log_level_tmp);
if (ret) {
printk(KERN_INFO "batman-adv:Invalid parameter for 'log_level' setting on mesh %s received: %s\n",
net_dev->name, buff);
return -EINVAL;
}
if (log_level_tmp > 3) {
printk(KERN_INFO "batman-adv:New log level too big: %li (max: %i)\n",
log_level_tmp, 3);
return -EINVAL;
}
if (atomic_read(&bat_priv->log_level) == log_level_tmp)
return count;
printk(KERN_INFO
"batman-adv:Changing log level from: %i to: %li on mesh: %s\n",
atomic_read(&bat_priv->log_level),
log_level_tmp, net_dev->name);
atomic_set(&bat_priv->log_level, (unsigned)log_level_tmp);
return count;
}
#endif
static BAT_ATTR(aggregated_ogms, S_IRUGO | S_IWUSR,
show_aggr_ogms, store_aggr_ogms);
static BAT_ATTR(bonding, S_IRUGO | S_IWUSR, show_bond, store_bond);
static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR,
show_orig_interval, store_orig_interval);
#ifdef CONFIG_BATMAN_ADV_DEBUG
static BAT_ATTR(log_level, S_IRUGO | S_IWUSR, show_log_level, store_log_level);
#endif
static struct bat_attribute *mesh_attrs[] = {
&bat_attr_aggregated_ogms,
&bat_attr_bonding,
&bat_attr_vis_mode,
&bat_attr_orig_interval,
#ifdef CONFIG_BATMAN_ADV_DEBUG
&bat_attr_log_level,
#endif
NULL,
};
@ -257,6 +309,8 @@ int sysfs_add_meshif(struct net_device *dev)
atomic_set(&bat_priv->bonding_enabled, 0);
atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
atomic_set(&bat_priv->orig_interval, 1000);
atomic_set(&bat_priv->log_level, 0);
bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0;

7
drivers/staging/batman-adv/bitarray.c
View File

@ -128,6 +128,9 @@ static void bit_reset_window(TYPE_OF_WORD *seq_bits)
char bit_get_packet(TYPE_OF_WORD *seq_bits, int32_t seq_num_diff,
int8_t set_mark)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
/* sequence number is slightly older. We already got a sequence number
* higher than this one, so we just mark it. */
@ -152,7 +155,7 @@ char bit_get_packet(TYPE_OF_WORD *seq_bits, int32_t seq_num_diff,
if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE)
|| (seq_num_diff < EXPECTED_SEQNO_RANGE)) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"We missed a lot of packets (%i) !\n",
seq_num_diff - 1);
bit_reset_window(seq_bits);
@ -169,7 +172,7 @@ char bit_get_packet(TYPE_OF_WORD *seq_bits, int32_t seq_num_diff,
if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE)
|| (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Other host probably restarted!\n");
bit_reset_window(seq_bits);

4
drivers/staging/batman-adv/hard-interface.c
View File

@ -443,6 +443,8 @@ static int batman_skb_recv_finish(struct sk_buff *skb)
int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype, struct net_device *orig_dev)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct batman_packet *batman_packet;
struct batman_if *batman_if;
struct net_device_stats *stats;
@ -490,7 +492,7 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
batman_packet = (struct batman_packet *)skb->data;
if (batman_packet->version != COMPAT_VERSION) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
batman_packet->version);
goto err_free;

8
drivers/staging/batman-adv/icmp_socket.c
View File

@ -154,6 +154,8 @@ static ssize_t bat_socket_read(struct file *file, char __user *buf,
static ssize_t bat_socket_write(struct file *file, const char __user *buff,
size_t len, loff_t *off)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct socket_client *socket_client =
(struct socket_client *)file->private_data;
struct icmp_packet_rr icmp_packet;
@ -164,7 +166,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff,
unsigned long flags;
if (len < sizeof(struct icmp_packet)) {
bat_dbg(DBG_BATMAN, "batman-adv:"
bat_dbg(DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: "
"invalid packet size\n");
return -EINVAL;
@ -180,14 +182,14 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff,
return -EFAULT;
if (icmp_packet.packet_type != BAT_ICMP) {
bat_dbg(DBG_BATMAN, "batman-adv:"
bat_dbg(DBG_BATMAN, bat_priv,
"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:"
bat_dbg(DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: "
"got bogus message type (expected: ECHO_REQUEST)\n");
return -EINVAL;

11
drivers/staging/batman-adv/main.c
View File

@ -59,17 +59,6 @@ static struct packet_type batman_adv_packet_type __read_mostly = {
struct workqueue_struct *bat_event_workqueue;
#ifdef CONFIG_BATMAN_ADV_DEBUG
int debug;
module_param(debug, int, 0644);
int bat_debug_type(int type)
{
return debug & type;
}
#endif
int init_module(void)
{
int retval;

31
drivers/staging/batman-adv/main.h
View File

@ -91,20 +91,8 @@
* broadcasting / etc */
#define DBG_ROUTES 2 /* route or hna added / changed / deleted */
#ifdef CONFIG_BATMAN_ADV_DEBUG
extern int debug;
#define LOG_BUF_LEN 8192 /* has to be a power of 2 */
extern int bat_debug_type(int type);
#define bat_dbg(type, fmt, arg...) do { \
if (bat_debug_type(type)) \
printk(KERN_DEBUG "batman-adv:" fmt, ## arg); \
} \
while (0)
#else /* !CONFIG_BATMAN_ADV_DEBUG */
#define bat_dbg(type, fmt, arg...) do { \
} \
while (0)
#endif
/*
* Vis
@ -166,4 +154,21 @@ int is_my_mac(uint8_t *addr);
int is_bcast(uint8_t *addr);
int is_mcast(uint8_t *addr);
#ifdef CONFIG_BATMAN_ADV_DEBUG
extern int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
#define bat_dbg(type, bat_priv, fmt, arg...) \
do { \
if (atomic_read(&bat_priv->log_level) & type) \
debug_log(bat_priv, fmt, ## arg); \
} \
while (0)
#else /* !CONFIG_BATMAN_ADV_DEBUG */
static inline void bat_dbg(char type __attribute__((unused)),
struct bat_priv *bat_priv __attribute__((unused)),
char *fmt __attribute__((unused)), ...)
{
}
#endif
#endif /* _NET_BATMAN_ADV_MAIN_H_ */

16
drivers/staging/batman-adv/originator.c
View File

@ -60,9 +60,12 @@ struct neigh_node *
create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
uint8_t *neigh, struct batman_if *if_incoming)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct neigh_node *neigh_node;
bat_dbg(DBG_BATMAN, "Creating new last-hop neighbor of originator\n");
bat_dbg(DBG_BATMAN, bat_priv,
"Creating new last-hop neighbor of originator\n");
neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
if (!neigh_node)
@ -129,7 +132,8 @@ struct orig_node *get_orig_node(uint8_t *addr)
if (orig_node != NULL)
return orig_node;
bat_dbg(DBG_BATMAN, "Creating new originator: %pM\n", addr);
bat_dbg(DBG_BATMAN, bat_priv,
"Creating new originator: %pM\n", addr);
orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
if (!orig_node)
@ -182,6 +186,8 @@ free_orig_node:
static bool purge_orig_neighbors(struct orig_node *orig_node,
struct neigh_node **best_neigh_node)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct list_head *list_pos, *list_pos_tmp;
struct neigh_node *neigh_node;
bool neigh_purged = false;
@ -199,13 +205,13 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
if (neigh_node->if_incoming->if_status ==
IF_TO_BE_REMOVED)
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"neighbor purge: originator %pM, "
"neighbor: %pM, iface: %s\n",
orig_node->orig, neigh_node->addr,
neigh_node->if_incoming->dev);
else
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"neighbor timeout: originator %pM, "
"neighbor: %pM, last_valid: %lu\n",
orig_node->orig, neigh_node->addr,
@ -232,7 +238,7 @@ static bool purge_orig_node(struct orig_node *orig_node)
if (time_after(jiffies,
orig_node->last_valid + 2 * PURGE_TIMEOUT * HZ)) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Originator timeout: originator %pM, last_valid %lu\n",
orig_node->orig, (orig_node->last_valid / HZ));
return true;

60
drivers/staging/batman-adv/routing.c
View File

@ -77,24 +77,27 @@ static void update_route(struct orig_node *orig_node,
struct neigh_node *neigh_node,
unsigned char *hna_buff, int hna_buff_len)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
/* route deleted */
if ((orig_node->router != NULL) && (neigh_node == NULL)) {
bat_dbg(DBG_ROUTES, "Deleting route towards: %pM\n",
bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
orig_node->orig);
hna_global_del_orig(orig_node, "originator timed out");
/* route added */
} else if ((orig_node->router == NULL) && (neigh_node != NULL)) {
bat_dbg(DBG_ROUTES,
bat_dbg(DBG_ROUTES, bat_priv,
"Adding route towards: %pM (via %pM)\n",
orig_node->orig, neigh_node->addr);
hna_global_add_orig(orig_node, hna_buff, hna_buff_len);
/* route changed */
} else {
bat_dbg(DBG_ROUTES,
bat_dbg(DBG_ROUTES, bat_priv,
"Changing route towards: %pM "
"(now via %pM - was via %pM)\n",
orig_node->orig, neigh_node->addr,
@ -125,6 +128,8 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
struct batman_packet *batman_packet,
struct batman_if *if_incoming)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
unsigned char total_count;
@ -211,7 +216,7 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
orig_neigh_node->tq_asym_penalty) /
(TQ_MAX_VALUE * TQ_MAX_VALUE));
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"bidirectional: "
"orig = %-15pM neigh = %-15pM => own_bcast = %2i, "
"real recv = %2i, local tq: %3i, asym_penalty: %3i, "
@ -234,10 +239,12 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr,
unsigned char *hna_buff, int hna_buff_len,
char is_duplicate)
{
/* FIXME: get bat_priv */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
int tmp_hna_buff_len;
bat_dbg(DBG_BATMAN, "update_originator(): "
bat_dbg(DBG_BATMAN, bat_priv, "update_originator(): "
"Searching and updating originator entry of received packet\n");
list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
@ -269,7 +276,7 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr,
if (!neigh_node)
return;
} else
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Updating existing last-hop neighbor of originator\n");
orig_node->flags = batman_packet->flags;
@ -321,13 +328,16 @@ update_hna:
static int window_protected(int32_t seq_num_diff,
unsigned long *last_reset)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE)
|| (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
if (time_after(jiffies, *last_reset +
msecs_to_jiffies(RESET_PROTECTION_MS))) {
*last_reset = jiffies;
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"old packet received, start protection\n");
return 0;
@ -349,6 +359,8 @@ static char count_real_packets(struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
struct batman_if *if_incoming)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct orig_node *orig_node;
struct neigh_node *tmp_neigh_node;
char is_duplicate = 0;
@ -387,7 +399,8 @@ static char count_real_packets(struct ethhdr *ethhdr,
}
if (need_update) {
bat_dbg(DBG_BATMAN, "updating last_seqno: old %d, new %d\n",
bat_dbg(DBG_BATMAN, bat_priv,
"updating last_seqno: old %d, new %d\n",
orig_node->last_real_seqno, batman_packet->seqno);
orig_node->last_real_seqno = batman_packet->seqno;
}
@ -540,7 +553,8 @@ void receive_bat_packet(struct ethhdr *ethhdr,
is_single_hop_neigh = (compare_orig(ethhdr->h_source,
batman_packet->orig) ? 1 : 0);
bat_dbg(DBG_BATMAN, "Received BATMAN packet via NB: %pM, IF: %s [%s] "
bat_dbg(DBG_BATMAN, bat_priv,
"Received BATMAN packet via NB: %pM, IF: %s [%s] "
"(from OG: %pM, via prev OG: %pM, seqno %d, tq %d, "
"TTL %d, V %d, IDF %d)\n",
ethhdr->h_source, if_incoming->dev, if_incoming->addr_str,
@ -569,14 +583,14 @@ void receive_bat_packet(struct ethhdr *ethhdr,
}
if (batman_packet->version != COMPAT_VERSION) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
batman_packet->version);
return;
}
if (is_my_addr) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: received my own broadcast (sender: %pM"
")\n",
ethhdr->h_source);
@ -584,7 +598,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
}
if (is_broadcast) {
bat_dbg(DBG_BATMAN, "Drop packet: "
bat_dbg(DBG_BATMAN, bat_priv, "Drop packet: "
"ignoring all packets with broadcast source addr (sender: %pM"
")\n", ethhdr->h_source);
return;
@ -614,13 +628,13 @@ void receive_bat_packet(struct ethhdr *ethhdr,
bit_packet_count(word);
}
bat_dbg(DBG_BATMAN, "Drop packet: "
bat_dbg(DBG_BATMAN, bat_priv, "Drop packet: "
"originator packet from myself (via neighbor)\n");
return;
}
if (is_my_oldorig) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: ignoring all rebroadcast echos (sender: "
"%pM)\n", ethhdr->h_source);
return;
@ -633,14 +647,14 @@ void receive_bat_packet(struct ethhdr *ethhdr,
is_duplicate = count_real_packets(ethhdr, batman_packet, if_incoming);
if (is_duplicate == -1) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: packet within seqno protection time "
"(sender: %pM)\n", ethhdr->h_source);
return;
}
if (batman_packet->tq == 0) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: originator packet with tq equal 0\n");
return;
}
@ -653,7 +667,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
!(compare_orig(batman_packet->orig, batman_packet->prev_sender)) &&
(compare_orig(orig_node->router->addr,
orig_node->router->orig_node->router->addr))) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: ignoring all rebroadcast packets that "
"may make me loop (sender: %pM)\n", ethhdr->h_source);
return;
@ -670,7 +684,8 @@ void receive_bat_packet(struct ethhdr *ethhdr,
* don't route towards it */
if (!is_single_hop_neigh &&
(orig_neigh_node->router == NULL)) {
bat_dbg(DBG_BATMAN, "Drop packet: OGM via unknown neighbor!\n");
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: OGM via unknown neighbor!\n");
return;
}
@ -697,24 +712,25 @@ void receive_bat_packet(struct ethhdr *ethhdr,
schedule_forward_packet(orig_node, ethhdr, batman_packet,
1, hna_buff_len, if_incoming);
bat_dbg(DBG_BATMAN, "Forwarding packet: "
bat_dbg(DBG_BATMAN, bat_priv, "Forwarding packet: "
"rebroadcast neighbor packet with direct link flag\n");
return;
}
/* multihop originator */
if (!is_bidirectional) {
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: not received via bidirectional link\n");
return;
}
if (is_duplicate) {
bat_dbg(DBG_BATMAN, "Drop packet: duplicate packet received\n");
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: duplicate packet received\n");
return;
}
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"Forwarding packet: rebroadcast originator packet\n");
schedule_forward_packet(orig_node, ethhdr, batman_packet,
0, hna_buff_len, if_incoming);

25
drivers/staging/batman-adv/send.c
View File

@ -126,6 +126,8 @@ void send_raw_packet(unsigned char *pack_buff, int pack_buff_len,
static void send_packet_to_if(struct forw_packet *forw_packet,
struct batman_if *batman_if)
{
/* FIXME: each batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
char *fwd_str;
uint8_t packet_num;
int16_t buff_pos;
@ -155,7 +157,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
"Sending own" :
"Forwarding"));
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
" IDF %s) on interface %s [%s]\n",
fwd_str, (packet_num > 0 ? "aggregated " : ""),
@ -180,6 +182,8 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
/* send a batman packet */
static void send_packet(struct forw_packet *forw_packet)
{
/* FIXME: each batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct batman_if *batman_if;
struct batman_packet *batman_packet =
(struct batman_packet *)(forw_packet->packet_buff);
@ -200,7 +204,7 @@ static void send_packet(struct forw_packet *forw_packet)
(forw_packet->own && (forw_packet->if_incoming->if_num > 0))) {
/* FIXME: what about aggregated packets ? */
bat_dbg(DBG_BATMAN,
bat_dbg(DBG_BATMAN, bat_priv,
"%s packet (originator %pM, seqno %d, TTL %d) "
"on interface %s [%s]\n",
(forw_packet->own ? "Sending own" : "Forwarding"),
@ -313,7 +317,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
unsigned long send_time;
if (batman_packet->ttl <= 1) {
bat_dbg(DBG_BATMAN, "ttl exceeded\n");
bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
return;
}
@ -342,7 +346,8 @@ void schedule_forward_packet(struct orig_node *orig_node,
/* apply hop penalty */
batman_packet->tq = hop_penalty(batman_packet->tq);
bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, "
bat_dbg(DBG_BATMAN, bat_priv,
"Forwarding packet: tq_orig: %i, tq_avg: %i, "
"tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
batman_packet->ttl);
@ -402,9 +407,11 @@ int add_bcast_packet_to_list(struct sk_buff *skb)
{
struct forw_packet *forw_packet;
struct bcast_packet *bcast_packet;
/* FIXME: each batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
if (!atomic_dec_not_zero(&bcast_queue_left)) {
bat_dbg(DBG_BATMAN, "bcast packet queue full\n");
bat_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
goto out;
}
@ -516,15 +523,19 @@ out:
void purge_outstanding_packets(struct batman_if *batman_if)
{
/* FIXME: each batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node;
unsigned long flags;
if (batman_if)
bat_dbg(DBG_BATMAN, "purge_outstanding_packets(): %s\n",
bat_dbg(DBG_BATMAN, bat_priv,
"purge_outstanding_packets(): %s\n",
batman_if->dev);
else
bat_dbg(DBG_BATMAN, "purge_outstanding_packets()\n");
bat_dbg(DBG_BATMAN, bat_priv,
"purge_outstanding_packets()\n");
/* free bcast list */
spin_lock_irqsave(&forw_bcast_list_lock, flags);

21
drivers/staging/batman-adv/translation-table.c
View File

@ -60,6 +60,8 @@ int hna_local_init(void)
void hna_local_add(uint8_t *addr)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct hna_local_entry *hna_local_entry;
struct hna_global_entry *hna_global_entry;
struct hashtable_t *swaphash;
@ -80,15 +82,15 @@ void hna_local_add(uint8_t *addr)
MAC-flooding. */
if ((num_hna + 1 > (ETH_DATA_LEN - BAT_PACKET_LEN) / ETH_ALEN) ||
(num_hna + 1 > 255)) {
bat_dbg(DBG_ROUTES,
bat_dbg(DBG_ROUTES, bat_priv,
"Can't add new local hna entry (%pM): "
"number of local hna entries exceeds packet size\n",
addr);
return;
}
bat_dbg(DBG_ROUTES, "Creating new local hna entry: %pM\n",
addr);
bat_dbg(DBG_ROUTES, bat_priv,
"Creating new local hna entry: %pM\n", addr);
hna_local_entry = kmalloc(sizeof(struct hna_local_entry), GFP_ATOMIC);
if (!hna_local_entry)
@ -223,7 +225,9 @@ static void _hna_local_del(void *data)
static void hna_local_del(struct hna_local_entry *hna_local_entry,
char *message)
{
bat_dbg(DBG_ROUTES, "Deleting local hna entry (%pM): %s\n",
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
bat_dbg(DBG_ROUTES, bat_priv, "Deleting local hna entry (%pM): %s\n",
hna_local_entry->addr, message);
hash_remove(hna_local_hash, hna_local_entry->addr);
@ -293,6 +297,8 @@ int hna_global_init(void)
void hna_global_add_orig(struct orig_node *orig_node,
unsigned char *hna_buff, int hna_buff_len)
{
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
struct hna_global_entry *hna_global_entry;
struct hna_local_entry *hna_local_entry;
struct hashtable_t *swaphash;
@ -319,7 +325,7 @@ void hna_global_add_orig(struct orig_node *orig_node,
memcpy(hna_global_entry->addr, hna_ptr, ETH_ALEN);
bat_dbg(DBG_ROUTES,
bat_dbg(DBG_ROUTES, bat_priv,
"Creating new global hna entry: "
"%pM (via %pM)\n",
hna_global_entry->addr, orig_node->orig);
@ -428,7 +434,10 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset)
static void _hna_global_del_orig(struct hna_global_entry *hna_global_entry,
char *message)
{
bat_dbg(DBG_ROUTES, "Deleting global hna entry %pM (via %pM): %s\n",
/* FIXME: each orig_node->batman_if will be attached to a softif */
struct bat_priv *bat_priv = netdev_priv(soft_device);
bat_dbg(DBG_ROUTES, bat_priv,
"Deleting global hna entry %pM (via %pM): %s\n",
hna_global_entry->addr, hna_global_entry->orig_node->orig,
message);

12
drivers/staging/batman-adv/types.h
View File

@ -21,8 +21,6 @@
#ifndef _NET_BATMAN_ADV_TYPES_H_
#define _NET_BATMAN_ADV_TYPES_H_
@ -114,7 +112,9 @@ struct bat_priv {
atomic_t bonding_enabled;
atomic_t vis_mode;
atomic_t orig_interval;
atomic_t log_level;
char num_ifaces;
struct debug_log *debug_log;
struct batman_if *primary_if;
struct kobject *mesh_obj;
struct dentry *debug_dir;
@ -172,4 +172,12 @@ struct if_list_entry {
struct hlist_node list;
};
struct debug_log {
char log_buff[LOG_BUF_LEN];
unsigned long log_start;
unsigned long log_end;
spinlock_t lock;
wait_queue_head_t queue_wait;
};
#endif /* _NET_BATMAN_ADV_TYPES_H_ */