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-rw-r--r--net/batman-adv/debugfs.c18
-rw-r--r--net/batman-adv/hard-interface.c8
-rw-r--r--net/batman-adv/originator.c9
-rw-r--r--net/batman-adv/routing.c3
-rw-r--r--net/batman-adv/unicast.c5
5 files changed, 24 insertions, 19 deletions
diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
index e45cf0e..34fbb16 100644
--- a/net/batman-adv/debugfs.c
+++ b/net/batman-adv/debugfs.c
@@ -111,6 +111,11 @@ static int batadv_log_release(struct inode *inode, struct file *file)
return 0;
}
+static int batadv_log_empty(struct batadv_debug_log *debug_log)
+{
+ return !(debug_log->log_start - debug_log->log_end);
+}
+
static ssize_t batadv_log_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
@@ -120,8 +125,7 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
char *char_addr;
char c;
- if ((file->f_flags & O_NONBLOCK) &&
- !(debug_log->log_end - debug_log->log_start))
+ if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log))
return -EAGAIN;
if (!buf)
@@ -134,7 +138,7 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
return -EFAULT;
error = wait_event_interruptible(debug_log->queue_wait,
- (debug_log->log_start - debug_log->log_end));
+ (!batadv_log_empty(debug_log)));
if (error)
return error;
@@ -175,7 +179,7 @@ static unsigned int batadv_log_poll(struct file *file, poll_table *wait)
poll_wait(file, &debug_log->queue_wait, wait);
- if (debug_log->log_end - debug_log->log_start)
+ if (!batadv_log_empty(debug_log))
return POLLIN | POLLRDNORM;
return 0;
@@ -370,9 +374,9 @@ int batadv_debugfs_add_meshif(struct net_device *dev)
for (bat_debug = batadv_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);
+ S_IFREG | ((*bat_debug)->attr).mode,
+ bat_priv->debug_dir,
+ dev, &(*bat_debug)->fops);
if (!file) {
batadv_err(dev, "Can't add debugfs file: %s/%s\n",
dev->name, ((*bat_debug)->attr).name);
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index 60f50c5..282bf6e 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -324,15 +324,15 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",
hard_iface->net_dev->name);
- if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
- ETH_DATA_LEN + BATADV_HEADER_LEN)
+ if (atomic_read(&bat_priv->fragmentation) &&
+ hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)
batadv_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n",
hard_iface->net_dev->name, hard_iface->net_dev->mtu,
ETH_DATA_LEN + BATADV_HEADER_LEN);
- if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
- ETH_DATA_LEN + BATADV_HEADER_LEN)
+ if (!atomic_read(&bat_priv->fragmentation) &&
+ hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)
batadv_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n",
hard_iface->net_dev->name, hard_iface->net_dev->mtu,
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index fc1ce26..ac9bdf8 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -413,6 +413,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
int batman_count = 0;
int last_seen_secs;
int last_seen_msecs;
+ unsigned long last_seen_jiffies;
uint32_t i;
int ret = 0;
@@ -451,10 +452,10 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
if (neigh_node->tq_avg == 0)
goto next;
- last_seen_secs = jiffies_to_msecs(jiffies -
- orig_node->last_seen) / 1000;
- last_seen_msecs = jiffies_to_msecs(jiffies -
- orig_node->last_seen) % 1000;
+ last_seen_jiffies = jiffies - orig_node->last_seen;
+ last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
+ last_seen_secs = last_seen_msecs / 1000;
+ last_seen_msecs = last_seen_msecs % 1000;
seq_printf(seq, "%pM %4i.%03is (%3i) %pM [%10s]:",
orig_node->orig, last_seen_secs,
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index b79e42e..bc2b88b 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -969,8 +969,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
ETH_HLEN) < 0)
return 0;
- ethhdr = (struct ethhdr *)(skb->data +
- sizeof(struct batadv_unicast_packet));
+ ethhdr = (struct ethhdr *)(skb->data + sizeof(*unicast_packet));
/* we don't have an updated route for this client, so we should
* not try to reroute the packet!!
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index c42b81d..0016464 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -296,6 +296,7 @@ int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv)
struct batadv_neigh_node *neigh_node;
int data_len = skb->len;
int ret = 1;
+ unsigned int dev_mtu;
/* get routing information */
if (is_multicast_ether_addr(ethhdr->h_dest)) {
@@ -344,9 +345,9 @@ find_router:
if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
unicast_packet->ttvn = unicast_packet->ttvn - 1;
+ dev_mtu = neigh_node->if_incoming->net_dev->mtu;
if (atomic_read(&bat_priv->fragmentation) &&
- data_len + sizeof(*unicast_packet) >
- neigh_node->if_incoming->net_dev->mtu) {
+ data_len + sizeof(*unicast_packet) > dev_mtu) {
/* send frag skb decreases ttl */
unicast_packet->header.ttl++;
ret = batadv_frag_send_skb(skb, bat_priv,
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