The following commit has been merged in the master branch:
commit 206af118414355e867e725ea83bc3a2989db5a40
Merge: 551c540ac5c716a2dd21095e86ec56f1f4d6994a d5a6cafe8fb4b1d8bc910fa2fad58bb02fc65feb
Author: Marek Lindner <lindner_marek(a)yahoo.de>
Date: Sat May 19 15:42:11 2012 +0800
Merge branch 'next'
diff --combined Makefile
index 57530db,08f8c39..9d59175
--- a/Makefile
+++ b/Makefile
@@@ -23,8 -23,6 +23,6 @@@
export CONFIG_BATMAN_ADV_DEBUG=n
# B.A.T.M.A.N. bridge loop avoidance:
export CONFIG_BATMAN_ADV_BLA=y
- # B.A.T.M.A.N. distributed ARP table:
- export CONFIG_BATMAN_ADV_DAT=y
PWD:=$(shell pwd)
KERNELPATH ?= /lib/modules/$(shell uname -r)/build
@@@ -55,8 -53,7 +53,8 @@@ clean
$(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) clean
install: config
- $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) INSTALL_MOD_DIR=kernel/net/batman-adv/
modules_install
+ $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) INSTALL_MOD_DIR=updates/net/batman-adv/
modules_install
+ depmod -a
config:
$(PWD)/gen-compat-autoconf.sh $(PWD)/compat-autoconf.h
diff --combined README
index 49c03d5,75a5923..8f3ae4a
--- a/README
+++ b/README
@@@ -202,8 -202,7 +202,7 @@@ abled during run time. Following log_l
2 - Enable messages related to route added / changed / deleted
4 - Enable messages related to translation table operations
8 - Enable messages related to bridge loop avoidance
- 16 - Enable messaged related to DAT, ARP snooping and parsing
- 31 - Enable all messages
+ 15 - enable all messages
The debug output can be changed at runtime using the file
/sys/class/net/bat0/mesh/log_level. e.g.
@@@ -212,11 -211,6 +211,11 @@@
will enable debug messages for when routes change.
+Counters for different types of packets entering and leaving the
+batman-adv module are available through ethtool:
+
+# ethtool --statistics bat0
+
BATCTL
------
diff --combined README.external
index 787172e,da5afd4..8739bca
--- a/README.external
+++ b/README.external
@@@ -21,7 -21,7 +21,7 @@@ if you want to compile against some oth
# make KERNELPATH=/path/to/kernel
-if you wont to install this module:
+if you want to install this module:
# sudo make install
@@@ -29,7 -29,7 +29,7 @@@ CONFIGURATIO
-------------
The in-kernel module can be configured through
-menuconfig. When compiling outside of the kernel, tree it is
+menuconfig. When compiling outside of the kernel tree, it is
necessary to configure it using the make options. Each
option can be set to to y (enabled), n (disabled) or m (build as
module). Available options and their possible values are
@@@ -37,7 -37,6 +37,6 @@@
* CONFIG_BATMAN_ADV_DEBUG=[y|n*] (B.A.T.M.A.N. debugging)
* CONFIG_BATMAN_ADV_BLA=[y*|n] (B.A.T.M.A.N. bridge loop avoidance)
- * CONFIG_BATMAN_ADV_DAT=[y*|n] (B.A.T.M.A.N. Distributed ARP Table)
e.g., debugging can be enabled by
diff --combined hard-interface.c
index dbb9ef4,ce78c6d..ef81f01
--- a/hard-interface.c
+++ b/hard-interface.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,10 -16,10 +15,9 @@@
* 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 "distributed-arp-table.h"
#include "hard-interface.h"
#include "soft-interface.h"
#include "send.h"
@@@ -31,7 -32,7 +30,7 @@@
#include <linux/if_arp.h>
-void hardif_free_rcu(struct rcu_head *rcu)
+void batadv_hardif_free_rcu(struct rcu_head *rcu)
{
struct hard_iface *hard_iface;
@@@ -40,12 -41,12 +39,12 @@@
kfree(hard_iface);
}
-struct hard_iface *hardif_get_by_netdev(const struct net_device *net_dev)
+struct hard_iface *batadv_hardif_get_by_netdev(const struct net_device *net_dev)
{
struct hard_iface *hard_iface;
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->net_dev == net_dev &&
atomic_inc_not_zero(&hard_iface->refcount))
goto out;
@@@ -58,7 -59,7 +57,7 @@@ out
return hard_iface;
}
-static int is_valid_iface(const struct net_device *net_dev)
+static int batadv_is_valid_iface(const struct net_device *net_dev)
{
if (net_dev->flags & IFF_LOOPBACK)
return 0;
@@@ -70,19 -71,22 +69,19 @@@
return 0;
/* no batman over batman */
- if (softif_is_valid(net_dev))
+ if (batadv_softif_is_valid(net_dev))
return 0;
return 1;
}
-static struct hard_iface *hardif_get_active(const struct net_device *soft_iface)
+static struct hard_iface *
+batadv_hardif_get_active(const struct net_device *soft_iface)
{
struct hard_iface *hard_iface;
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface != soft_iface)
continue;
@@@ -98,32 -102,30 +97,30 @@@ out
return hard_iface;
}
-static void primary_if_update_addr(struct bat_priv *bat_priv,
- struct hard_iface *oldif)
+static void batadv_primary_if_update_addr(struct bat_priv *bat_priv,
+ struct hard_iface *oldif)
{
struct vis_packet *vis_packet;
struct hard_iface *primary_if;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
- batadv_dat_init_own_dht_addr(bat_priv, primary_if);
-
vis_packet = (struct vis_packet *)
bat_priv->my_vis_info->skb_packet->data;
memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(vis_packet->sender_orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
- bla_update_orig_address(bat_priv, primary_if, oldif);
+ batadv_bla_update_orig_address(bat_priv, primary_if, oldif);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
}
-static void primary_if_select(struct bat_priv *bat_priv,
- struct hard_iface *new_hard_iface)
+static void batadv_primary_if_select(struct bat_priv *bat_priv,
+ struct hard_iface *new_hard_iface)
{
struct hard_iface *curr_hard_iface;
@@@ -139,14 -141,14 +136,14 @@@
goto out;
bat_priv->bat_algo_ops->bat_primary_iface_set(new_hard_iface);
- primary_if_update_addr(bat_priv, curr_hard_iface);
+ batadv_primary_if_update_addr(bat_priv, curr_hard_iface);
out:
if (curr_hard_iface)
- hardif_free_ref(curr_hard_iface);
+ batadv_hardif_free_ref(curr_hard_iface);
}
-static bool hardif_is_iface_up(const struct hard_iface *hard_iface)
+static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface)
{
if (hard_iface->net_dev->flags & IFF_UP)
return true;
@@@ -154,12 -156,12 +151,12 @@@
return false;
}
-static void check_known_mac_addr(const struct net_device *net_dev)
+static void batadv_check_known_mac_addr(const struct net_device *net_dev)
{
const struct hard_iface *hard_iface;
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
continue;
@@@ -167,8 -169,8 +164,8 @@@
if (hard_iface->net_dev == net_dev)
continue;
- if (!compare_eth(hard_iface->net_dev->dev_addr,
- net_dev->dev_addr))
+ if (!batadv_compare_eth(hard_iface->net_dev->dev_addr,
+ net_dev->dev_addr))
continue;
pr_warn("The newly added mac address (%pM) already exists on: %s\n",
@@@ -178,20 -180,19 +175,20 @@@
rcu_read_unlock();
}
-int hardif_min_mtu(struct net_device *soft_iface)
+int batadv_hardif_min_mtu(struct net_device *soft_iface)
{
const struct bat_priv *bat_priv = netdev_priv(soft_iface);
const struct hard_iface *hard_iface;
/* allow big frames if all devices are capable to do so
- * (have MTU > 1500 + BAT_HEADER_LEN) */
+ * (have MTU > 1500 + BAT_HEADER_LEN)
+ */
int min_mtu = ETH_DATA_LEN;
if (atomic_read(&bat_priv->fragmentation))
goto out;
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
continue;
@@@ -208,16 -209,16 +205,16 @@@ out
}
/* adjusts the MTU if a new interface with a smaller MTU appeared. */
-void update_min_mtu(struct net_device *soft_iface)
+void batadv_update_min_mtu(struct net_device *soft_iface)
{
int min_mtu;
- min_mtu = hardif_min_mtu(soft_iface);
+ min_mtu = batadv_hardif_min_mtu(soft_iface);
if (soft_iface->mtu != min_mtu)
soft_iface->mtu = min_mtu;
}
-static void hardif_activate_interface(struct hard_iface *hard_iface)
+static void batadv_hardif_activate_interface(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv;
struct hard_iface *primary_if = NULL;
@@@ -230,24 -231,25 +227,24 @@@
bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED;
- /**
- * the first active interface becomes our primary interface or
+ /* the first active interface becomes our primary interface or
* the next active interface after the old primary interface was removed
*/
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
- primary_if_select(bat_priv, hard_iface);
+ batadv_primary_if_select(bat_priv, hard_iface);
- bat_info(hard_iface->soft_iface, "Interface activated: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Interface activated: %s\n",
+ hard_iface->net_dev->name);
- update_min_mtu(hard_iface->soft_iface);
+ batadv_update_min_mtu(hard_iface->soft_iface);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
}
-static void hardif_deactivate_interface(struct hard_iface *hard_iface)
+static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface)
{
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
@@@ -255,14 -257,14 +252,14 @@@
hard_iface->if_status = IF_INACTIVE;
- bat_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
+ hard_iface->net_dev->name);
- update_min_mtu(hard_iface->soft_iface);
+ batadv_update_min_mtu(hard_iface->soft_iface);
}
-int hardif_enable_interface(struct hard_iface *hard_iface,
- const char *iface_name)
+int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
+ const char *iface_name)
{
struct bat_priv *bat_priv;
struct net_device *soft_iface;
@@@ -282,7 -284,7 +279,7 @@@
soft_iface = dev_get_by_name(&init_net, iface_name);
if (!soft_iface) {
- soft_iface = softif_create(iface_name);
+ soft_iface = batadv_softif_create(iface_name);
if (!soft_iface) {
ret = -ENOMEM;
@@@ -293,7 -295,7 +290,7 @@@
dev_hold(soft_iface);
}
- if (!softif_is_valid(soft_iface)) {
+ if (!batadv_softif_is_valid(soft_iface)) {
pr_err("Can't create batman mesh interface %s: already exists as regular
interface\n",
soft_iface->name);
ret = -EINVAL;
@@@ -310,40 -312,40 +307,40 @@@
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
hard_iface->if_status = IF_INACTIVE;
- orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
+ batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
hard_iface->batman_adv_ptype.type = __constant_htons(ETH_P_BATMAN);
- hard_iface->batman_adv_ptype.func = batman_skb_recv;
+ hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv;
hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;
dev_add_pack(&hard_iface->batman_adv_ptype);
atomic_set(&hard_iface->frag_seqno, 1);
- bat_info(hard_iface->soft_iface, "Adding interface: %s\n",
- hard_iface->net_dev->name);
+ 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 + BAT_HEADER_LEN)
- bat_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 + BAT_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 + BAT_HEADER_LEN);
if (!atomic_read(&bat_priv->fragmentation) &&
hard_iface->net_dev->mtu <
ETH_DATA_LEN + BAT_HEADER_LEN)
- bat_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,
- ETH_DATA_LEN + BAT_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,
+ ETH_DATA_LEN + BAT_HEADER_LEN);
- if (hardif_is_iface_up(hard_iface))
- hardif_activate_interface(hard_iface);
+ if (batadv_hardif_is_iface_up(hard_iface))
+ batadv_hardif_activate_interface(hard_iface);
else
- bat_err(hard_iface->soft_iface,
- "Not using interface %s (retrying later): interface not active\n",
- hard_iface->net_dev->name);
+ batadv_err(hard_iface->soft_iface,
+ "Not using interface %s (retrying later): interface not active\n",
+ hard_iface->net_dev->name);
/* begin scheduling originator messages on that interface */
- schedule_bat_ogm(hard_iface);
+ batadv_schedule_bat_ogm(hard_iface);
out:
return 0;
@@@ -351,68 -353,67 +348,68 @@@
err_dev:
dev_put(soft_iface);
err:
- hardif_free_ref(hard_iface);
+ batadv_hardif_free_ref(hard_iface);
return ret;
}
-void hardif_disable_interface(struct hard_iface *hard_iface)
+void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hard_iface *primary_if = NULL;
if (hard_iface->if_status == IF_ACTIVE)
- hardif_deactivate_interface(hard_iface);
+ batadv_hardif_deactivate_interface(hard_iface);
if (hard_iface->if_status != IF_INACTIVE)
goto out;
- bat_info(hard_iface->soft_iface, "Removing interface: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",
+ hard_iface->net_dev->name);
dev_remove_pack(&hard_iface->batman_adv_ptype);
bat_priv->num_ifaces--;
- orig_hash_del_if(hard_iface, bat_priv->num_ifaces);
+ batadv_orig_hash_del_if(hard_iface, bat_priv->num_ifaces);
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (hard_iface == primary_if) {
struct hard_iface *new_if;
- new_if = hardif_get_active(hard_iface->soft_iface);
- primary_if_select(bat_priv, new_if);
+ new_if = batadv_hardif_get_active(hard_iface->soft_iface);
+ batadv_primary_if_select(bat_priv, new_if);
if (new_if)
- hardif_free_ref(new_if);
+ batadv_hardif_free_ref(new_if);
}
bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);
hard_iface->if_status = IF_NOT_IN_USE;
/* delete all references to this hard_iface */
- purge_orig_ref(bat_priv);
- purge_outstanding_packets(bat_priv, hard_iface);
+ batadv_purge_orig_ref(bat_priv);
+ batadv_purge_outstanding_packets(bat_priv, hard_iface);
dev_put(hard_iface->soft_iface);
/* nobody uses this interface anymore */
if (!bat_priv->num_ifaces)
- softif_destroy(hard_iface->soft_iface);
+ batadv_softif_destroy(hard_iface->soft_iface);
hard_iface->soft_iface = NULL;
- hardif_free_ref(hard_iface);
+ batadv_hardif_free_ref(hard_iface);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
}
-static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
+static struct hard_iface *
+batadv_hardif_add_interface(struct net_device *net_dev)
{
struct hard_iface *hard_iface;
int ret;
ASSERT_RTNL();
- ret = is_valid_iface(net_dev);
+ ret = batadv_is_valid_iface(net_dev);
if (ret != 1)
goto out;
@@@ -422,7 -423,7 +419,7 @@@
if (!hard_iface)
goto release_dev;
- ret = sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
+ ret = batadv_sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
if (ret)
goto free_if;
@@@ -434,10 -435,11 +431,10 @@@
/* extra reference for return */
atomic_set(&hard_iface->refcount, 2);
- check_known_mac_addr(hard_iface->net_dev);
- list_add_tail_rcu(&hard_iface->list, &hardif_list);
+ batadv_check_known_mac_addr(hard_iface->net_dev);
+ list_add_tail_rcu(&hard_iface->list, &batadv_hardif_list);
- /**
- * This can't be called via a bat_priv callback because
+ /* This can't be called via a bat_priv callback because
* we have no bat_priv yet.
*/
atomic_set(&hard_iface->seqno, 1);
@@@ -453,98 -455,97 +450,98 @@@ out
return NULL;
}
-static void hardif_remove_interface(struct hard_iface *hard_iface)
+static void batadv_hardif_remove_interface(struct hard_iface *hard_iface)
{
ASSERT_RTNL();
/* first deactivate interface */
if (hard_iface->if_status != IF_NOT_IN_USE)
- hardif_disable_interface(hard_iface);
+ batadv_hardif_disable_interface(hard_iface);
if (hard_iface->if_status != IF_NOT_IN_USE)
return;
hard_iface->if_status = IF_TO_BE_REMOVED;
- sysfs_del_hardif(&hard_iface->hardif_obj);
- hardif_free_ref(hard_iface);
+ batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
+ batadv_hardif_free_ref(hard_iface);
}
-void hardif_remove_interfaces(void)
+void batadv_hardif_remove_interfaces(void)
{
struct hard_iface *hard_iface, *hard_iface_tmp;
rtnl_lock();
list_for_each_entry_safe(hard_iface, hard_iface_tmp,
- &hardif_list, list) {
+ &batadv_hardif_list, list) {
list_del_rcu(&hard_iface->list);
- hardif_remove_interface(hard_iface);
+ batadv_hardif_remove_interface(hard_iface);
}
rtnl_unlock();
}
-static int hard_if_event(struct notifier_block *this,
+static int batadv_hard_if_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct net_device *net_dev = ptr;
- struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
+ struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev);
struct hard_iface *primary_if = NULL;
struct bat_priv *bat_priv;
if (!hard_iface && event == NETDEV_REGISTER)
- hard_iface = hardif_add_interface(net_dev);
+ hard_iface = batadv_hardif_add_interface(net_dev);
if (!hard_iface)
goto out;
switch (event) {
case NETDEV_UP:
- hardif_activate_interface(hard_iface);
+ batadv_hardif_activate_interface(hard_iface);
break;
case NETDEV_GOING_DOWN:
case NETDEV_DOWN:
- hardif_deactivate_interface(hard_iface);
+ batadv_hardif_deactivate_interface(hard_iface);
break;
case NETDEV_UNREGISTER:
list_del_rcu(&hard_iface->list);
- hardif_remove_interface(hard_iface);
+ batadv_hardif_remove_interface(hard_iface);
break;
case NETDEV_CHANGEMTU:
if (hard_iface->soft_iface)
- update_min_mtu(hard_iface->soft_iface);
+ batadv_update_min_mtu(hard_iface->soft_iface);
break;
case NETDEV_CHANGEADDR:
if (hard_iface->if_status == IF_NOT_IN_USE)
goto hardif_put;
- check_known_mac_addr(hard_iface->net_dev);
+ batadv_check_known_mac_addr(hard_iface->net_dev);
bat_priv = netdev_priv(hard_iface->soft_iface);
bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto hardif_put;
if (hard_iface == primary_if)
- primary_if_update_addr(bat_priv, NULL);
+ batadv_primary_if_update_addr(bat_priv, NULL);
break;
default:
break;
}
hardif_put:
- hardif_free_ref(hard_iface);
+ batadv_hardif_free_ref(hard_iface);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return NOTIFY_DONE;
}
/* This function returns true if the interface represented by ifindex is a
- * 802.11 wireless device */
-bool is_wifi_iface(int ifindex)
+ * 802.11 wireless device
+ */
+bool batadv_is_wifi_iface(int ifindex)
{
struct net_device *net_device = NULL;
bool ret = false;
@@@ -558,8 -559,7 +555,8 @@@
#ifdef CONFIG_WIRELESS_EXT
/* pre-cfg80211 drivers have to implement WEXT, so it is possible to
- * check for wireless_handlers != NULL */
+ * check for wireless_handlers != NULL
+ */
if (net_device->wireless_handlers)
ret = true;
else
@@@ -573,6 -573,6 +570,6 @@@ out
return ret;
}
-struct notifier_block hard_if_notifier = {
- .notifier_call = hard_if_event,
+struct notifier_block batadv_hard_if_notifier = {
+ .notifier_call = batadv_hard_if_event,
};
diff --combined main.c
index b051457,083a299..9cf0b38
--- a/main.c
+++ b/main.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,6 -16,7 +15,6 @@@
* 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"
@@@ -35,41 -37,38 +35,41 @@@
/* List manipulations on hardif_list have to be rtnl_lock()'ed,
- * list traversals just rcu-locked */
-struct list_head hardif_list;
-static int (*recv_packet_handler[256])(struct sk_buff *, struct hard_iface *);
-char bat_routing_algo[20] = "BATMAN IV";
-static struct hlist_head bat_algo_list;
+ * list traversals just rcu-locked
+ */
+struct list_head batadv_hardif_list;
+static int (*batadv_rx_handler[256])(struct sk_buff *,
+ struct hard_iface *);
+char batadv_routing_algo[20] = "BATMAN_IV";
+static struct hlist_head batadv_algo_list;
-unsigned char broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+unsigned char batadv_broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-struct workqueue_struct *bat_event_workqueue;
+struct workqueue_struct *batadv_event_workqueue;
-static void recv_handler_init(void);
+static void batadv_recv_handler_init(void);
-static int __init batman_init(void)
+static int __init batadv_init(void)
{
- INIT_LIST_HEAD(&hardif_list);
- INIT_HLIST_HEAD(&bat_algo_list);
+ INIT_LIST_HEAD(&batadv_hardif_list);
+ INIT_HLIST_HEAD(&batadv_algo_list);
- recv_handler_init();
+ batadv_recv_handler_init();
- bat_iv_init();
+ batadv_iv_init();
/* the name should not be longer than 10 chars - see
- *
http://lwn.net/Articles/23634/ */
- bat_event_workqueue = create_singlethread_workqueue("bat_events");
+ *
http://lwn.net/Articles/23634/
+ */
+ batadv_event_workqueue = create_singlethread_workqueue("bat_events");
- if (!bat_event_workqueue)
+ if (!batadv_event_workqueue)
return -ENOMEM;
- bat_socket_init();
- debugfs_init();
+ batadv_socket_init();
+ batadv_debugfs_init();
- register_netdevice_notifier(&hard_if_notifier);
+ register_netdevice_notifier(&batadv_hard_if_notifier);
pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n",
SOURCE_VERSION, COMPAT_VERSION);
@@@ -77,23 -76,22 +77,23 @@@
return 0;
}
-static void __exit batman_exit(void)
+static void __exit batadv_exit(void)
{
- debugfs_destroy();
- unregister_netdevice_notifier(&hard_if_notifier);
- hardif_remove_interfaces();
+ batadv_debugfs_destroy();
+ unregister_netdevice_notifier(&batadv_hard_if_notifier);
+ batadv_hardif_remove_interfaces();
- flush_workqueue(bat_event_workqueue);
- destroy_workqueue(bat_event_workqueue);
- bat_event_workqueue = NULL;
+ flush_workqueue(batadv_event_workqueue);
+ destroy_workqueue(batadv_event_workqueue);
+ batadv_event_workqueue = NULL;
rcu_barrier();
}
-int mesh_init(struct net_device *soft_iface)
+int batadv_mesh_init(struct net_device *soft_iface)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
+ int ret;
spin_lock_init(&bat_priv->forw_bat_list_lock);
spin_lock_init(&bat_priv->forw_bcast_list_lock);
@@@ -112,76 -110,72 +112,76 @@@
INIT_LIST_HEAD(&bat_priv->tt_req_list);
INIT_LIST_HEAD(&bat_priv->tt_roam_list);
- if (originator_init(bat_priv) < 1)
+ ret = batadv_originator_init(bat_priv);
+ if (ret < 0)
goto err;
- if (tt_init(bat_priv) < 1)
+ ret = batadv_tt_init(bat_priv);
+ if (ret < 0)
goto err;
- tt_local_add(soft_iface, soft_iface->dev_addr, NULL_IFINDEX);
+ batadv_tt_local_add(soft_iface, soft_iface->dev_addr, NULL_IFINDEX);
- if (vis_init(bat_priv) < 1)
+ ret = batadv_vis_init(bat_priv);
+ if (ret < 0)
goto err;
- if (bla_init(bat_priv) < 1)
+ ret = batadv_bla_init(bat_priv);
+ if (ret < 0)
goto err;
atomic_set(&bat_priv->gw_reselect, 0);
atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
- goto end;
-
-err:
- mesh_free(soft_iface);
- return -1;
-end:
return 0;
+
+err:
+ batadv_mesh_free(soft_iface);
+ return ret;
}
-void mesh_free(struct net_device *soft_iface)
+void batadv_mesh_free(struct net_device *soft_iface)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
atomic_set(&bat_priv->mesh_state, MESH_DEACTIVATING);
- purge_outstanding_packets(bat_priv, NULL);
+ batadv_purge_outstanding_packets(bat_priv, NULL);
- vis_quit(bat_priv);
+ batadv_vis_quit(bat_priv);
- gw_node_purge(bat_priv);
- originator_free(bat_priv);
+ batadv_gw_node_purge(bat_priv);
+ batadv_originator_free(bat_priv);
- tt_free(bat_priv);
+ batadv_tt_free(bat_priv);
- bla_free(bat_priv);
+ batadv_bla_free(bat_priv);
+
+ free_percpu(bat_priv->bat_counters);
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
}
-void inc_module_count(void)
+void batadv_inc_module_count(void)
{
try_module_get(THIS_MODULE);
}
-void dec_module_count(void)
+void batadv_dec_module_count(void)
{
module_put(THIS_MODULE);
}
-int is_my_mac(const uint8_t *addr)
+int batadv_is_my_mac(const uint8_t *addr)
{
const struct hard_iface *hard_iface;
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->if_status != IF_ACTIVE)
continue;
- if (compare_eth(hard_iface->net_dev->dev_addr, addr)) {
+ if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) {
rcu_read_unlock();
return 1;
}
@@@ -190,8 -184,8 +190,8 @@@
return 0;
}
-static int recv_unhandled_packet(struct sk_buff *skb,
- struct hard_iface *recv_if)
+static int batadv_recv_unhandled_packet(struct sk_buff *skb,
+ struct hard_iface *recv_if)
{
return NET_RX_DROP;
}
@@@ -199,9 -193,8 +199,9 @@@
/* incoming packets with the batman ethertype received on any active hard
* interface
*/
-int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *ptype, struct net_device *orig_dev)
+int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *ptype,
+ struct net_device *orig_dev)
{
struct bat_priv *bat_priv;
struct batman_ogm_packet *batman_ogm_packet;
@@@ -239,9 -232,9 +239,9 @@@
batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
if (batman_ogm_packet->header.version != COMPAT_VERSION) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: incompatible batman version (%i)\n",
- batman_ogm_packet->header.version);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: incompatible batman version (%i)\n",
+ batman_ogm_packet->header.version);
goto err_free;
}
@@@ -249,7 -242,7 +249,7 @@@
* the supplied skb. if not, we have to free the skb.
*/
idx = batman_ogm_packet->header.packet_type;
- ret = (*recv_packet_handler[idx])(skb, hard_iface);
+ ret = (*batadv_rx_handler[idx])(skb, hard_iface);
if (ret == NET_RX_DROP)
kfree_skb(skb);
@@@ -266,53 -259,51 +266,51 @@@ err_out
return NET_RX_DROP;
}
-static void recv_handler_init(void)
+static void batadv_recv_handler_init(void)
{
int i;
- for (i = 0; i < ARRAY_SIZE(recv_packet_handler); i++)
- recv_packet_handler[i] = recv_unhandled_packet;
+ for (i = 0; i < ARRAY_SIZE(batadv_rx_handler); i++)
+ batadv_rx_handler[i] = batadv_recv_unhandled_packet;
/* batman icmp packet */
- recv_packet_handler[BAT_ICMP] = recv_icmp_packet;
+ batadv_rx_handler[BAT_ICMP] = batadv_recv_icmp_packet;
- /* unicast with 4 addresses packet */
- batadv_rx_handler[BAT_UNICAST_4ADDR] = batadv_recv_unicast_packet;
/* unicast packet */
- recv_packet_handler[BAT_UNICAST] = recv_unicast_packet;
+ batadv_rx_handler[BAT_UNICAST] = batadv_recv_unicast_packet;
/* fragmented unicast packet */
- recv_packet_handler[BAT_UNICAST_FRAG] = recv_ucast_frag_packet;
+ batadv_rx_handler[BAT_UNICAST_FRAG] = batadv_recv_ucast_frag_packet;
/* broadcast packet */
- recv_packet_handler[BAT_BCAST] = recv_bcast_packet;
+ batadv_rx_handler[BAT_BCAST] = batadv_recv_bcast_packet;
/* vis packet */
- recv_packet_handler[BAT_VIS] = recv_vis_packet;
+ batadv_rx_handler[BAT_VIS] = batadv_recv_vis_packet;
/* Translation table query (request or response) */
- recv_packet_handler[BAT_TT_QUERY] = recv_tt_query;
+ batadv_rx_handler[BAT_TT_QUERY] = batadv_recv_tt_query;
/* Roaming advertisement */
- recv_packet_handler[BAT_ROAM_ADV] = recv_roam_adv;
+ batadv_rx_handler[BAT_ROAM_ADV] = batadv_recv_roam_adv;
}
-int recv_handler_register(uint8_t packet_type,
- int (*recv_handler)(struct sk_buff *,
- struct hard_iface *))
+int batadv_recv_handler_register(uint8_t packet_type,
+ int (*recv_handler)(struct sk_buff *,
+ struct hard_iface *))
{
- if (recv_packet_handler[packet_type] != &recv_unhandled_packet)
+ if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet)
return -EBUSY;
- recv_packet_handler[packet_type] = recv_handler;
+ batadv_rx_handler[packet_type] = recv_handler;
return 0;
}
-void recv_handler_unregister(uint8_t packet_type)
+void batadv_recv_handler_unregister(uint8_t packet_type)
{
- recv_packet_handler[packet_type] = recv_unhandled_packet;
+ batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet;
}
-static struct bat_algo_ops *bat_algo_get(char *name)
+static struct bat_algo_ops *batadv_algo_get(char *name)
{
struct bat_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
struct hlist_node *node;
- hlist_for_each_entry(bat_algo_ops_tmp, node, &bat_algo_list, list) {
+ hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) {
if (strcmp(bat_algo_ops_tmp->name, name) != 0)
continue;
@@@ -323,16 -314,15 +321,16 @@@
return bat_algo_ops;
}
-int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
+int batadv_algo_register(struct bat_algo_ops *bat_algo_ops)
{
struct bat_algo_ops *bat_algo_ops_tmp;
- int ret = -1;
+ int ret;
- bat_algo_ops_tmp = bat_algo_get(bat_algo_ops->name);
+ bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name);
if (bat_algo_ops_tmp) {
pr_info("Trying to register already registered routing algorithm: %s\n",
bat_algo_ops->name);
+ ret = -EEXIST;
goto out;
}
@@@ -345,24 -335,23 +343,24 @@@
!bat_algo_ops->bat_ogm_emit) {
pr_info("Routing algo '%s' does not implement required ops\n",
bat_algo_ops->name);
+ ret = -EINVAL;
goto out;
}
INIT_HLIST_NODE(&bat_algo_ops->list);
- hlist_add_head(&bat_algo_ops->list, &bat_algo_list);
+ hlist_add_head(&bat_algo_ops->list, &batadv_algo_list);
ret = 0;
out:
return ret;
}
-int bat_algo_select(struct bat_priv *bat_priv, char *name)
+int batadv_algo_select(struct bat_priv *bat_priv, char *name)
{
struct bat_algo_ops *bat_algo_ops;
- int ret = -1;
+ int ret = -EINVAL;
- bat_algo_ops = bat_algo_get(name);
+ bat_algo_ops = batadv_algo_get(name);
if (!bat_algo_ops)
goto out;
@@@ -373,52 -362,46 +371,52 @@@ out
return ret;
}
-int bat_algo_seq_print_text(struct seq_file *seq, void *offset)
+int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
{
struct bat_algo_ops *bat_algo_ops;
struct hlist_node *node;
seq_printf(seq, "Available routing algorithms:\n");
- hlist_for_each_entry(bat_algo_ops, node, &bat_algo_list, list) {
+ hlist_for_each_entry(bat_algo_ops, node, &batadv_algo_list, list) {
seq_printf(seq, "%s\n", bat_algo_ops->name);
}
return 0;
}
-static int param_set_ra(const char *val, const struct kernel_param *kp)
+static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{
struct bat_algo_ops *bat_algo_ops;
+ char *algo_name = (char *)val;
+ size_t name_len = strlen(algo_name);
+
+ if (algo_name[name_len - 1] == '\n')
+ algo_name[name_len - 1] = '\0';
- bat_algo_ops = bat_algo_get((char *)val);
+ bat_algo_ops = batadv_algo_get(algo_name);
if (!bat_algo_ops) {
- pr_err("Routing algorithm '%s' is not supported\n", val);
+ pr_err("Routing algorithm '%s' is not supported\n", algo_name);
return -EINVAL;
}
- return param_set_copystring(val, kp);
+ return param_set_copystring(algo_name, kp);
}
-static const struct kernel_param_ops param_ops_ra = {
- .set = param_set_ra,
+static const struct kernel_param_ops batadv_param_ops_ra = {
+ .set = batadv_param_set_ra,
.get = param_get_string,
};
-static struct kparam_string __param_string_ra = {
- .maxlen = sizeof(bat_routing_algo),
- .string = bat_routing_algo,
+static struct kparam_string batadv_param_string_ra = {
+ .maxlen = sizeof(batadv_routing_algo),
+ .string = batadv_routing_algo,
};
-module_param_cb(routing_algo, ¶m_ops_ra, &__param_string_ra, 0644);
-module_init(batman_init);
-module_exit(batman_exit);
+module_param_cb(routing_algo, &batadv_param_ops_ra, &batadv_param_string_ra,
+ 0644);
+module_init(batadv_init);
+module_exit(batadv_exit);
MODULE_LICENSE("GPL");
diff --combined main.h
index 977de45,19e5881..628b177
--- a/main.h
+++ b/main.h
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,6 -16,7 +15,6 @@@
* 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_MAIN_H_
@@@ -34,21 -36,19 +34,21 @@@
#define TQ_MAX_VALUE 255
#define JITTER 20
- /* Time To Live of broadcast messages */
+/* Time To Live of broadcast messages */
#define TTL 50
/* purge originators after time in seconds if no valid packet comes in
- * -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE */
+ * -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE
+ */
#define PURGE_TIMEOUT 200000 /* 200 seconds */
#define TT_LOCAL_TIMEOUT 3600000 /* in miliseconds */
#define TT_CLIENT_ROAM_TIMEOUT 600000 /* in miliseconds */
/* sliding packet range of received originator messages in sequence numbers
- * (should be a multiple of our word size) */
+ * (should be a multiple of our word size)
+ */
#define TQ_LOCAL_WINDOW_SIZE 64
-#define TT_REQUEST_TIMEOUT 3000 /* miliseconds we have to keep
- * pending tt_req */
+/* miliseconds we have to keep pending tt_req */
+#define TT_REQUEST_TIMEOUT 3000
#define TQ_GLOBAL_WINDOW_SIZE 5
#define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
@@@ -57,10 -57,8 +57,10 @@@
#define TT_OGM_APPEND_MAX 3 /* number of OGMs sent with the last tt diff */
-#define ROAMING_MAX_TIME 20000 /* Time in which a client can roam at most
- * ROAMING_MAX_COUNT times in miliseconds*/
+/* Time in which a client can roam at most ROAMING_MAX_COUNT times in
+ * miliseconds
+ */
+#define ROAMING_MAX_TIME 20000
#define ROAMING_MAX_COUNT 5
#define NO_FLAGS 0
@@@ -69,27 -67,16 +69,18 @@@
#define NUM_WORDS BITS_TO_LONGS(TQ_LOCAL_WINDOW_SIZE)
- /* msecs after which an ARP_REQUEST is sent in broadcast as fallback */
- #define ARP_REQ_DELAY 250
- /* numbers of originator to contact for any PUT/GET DHT operation */
- #define DHT_CANDIDATES_NUM 3
- /* Factor which default ARP timeout values of the soft_iface table are
- * multiplied by
- */
- #define ARP_TIMEOUT_FACTOR 4
-
#define LOG_BUF_LEN 8192 /* has to be a power of 2 */
#define VIS_INTERVAL 5000 /* 5 seconds */
/* how much worse secondary interfaces may be to be considered as bonding
- * candidates */
+ * candidates
+ */
#define BONDING_TQ_THRESHOLD 50
/* should not be bigger than 512 bytes or change the size of
- * forw_packet->direct_link_flags */
+ * forw_packet->direct_link_flags
+ */
#define MAX_AGGREGATION_BYTES 512
#define MAX_AGGREGATION_MS 100
@@@ -124,9 -111,6 +115,6 @@@ enum uev_type
#define GW_THRESHOLD 50
- #define DHT_CANDIDATE_NOT_FOUND 0
- #define DHT_CANDIDATE_ORIG 1
-
/* Debug Messages */
#ifdef pr_fmt
#undef pr_fmt
@@@ -140,8 -124,7 +128,7 @@@ enum dbg_level
DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
DBG_TT = 1 << 2, /* translation table operations */
DBG_BLA = 1 << 3, /* bridge loop avoidance */
- DBG_DAT = 1 << 4, /* snooped arp messages / dat operations */
- DBG_ALL = 31
+ DBG_ALL = 15
};
/* Kernel headers */
@@@ -155,7 -138,6 +142,7 @@@
#include <linux/kthread.h> /* kernel threads */
#include <linux/pkt_sched.h> /* schedule types */
#include <linux/workqueue.h> /* workqueue */
+#include <linux/percpu.h>
#include <linux/slab.h>
#include <net/sock.h> /* struct sock */
#include <linux/jiffies.h>
@@@ -164,100 -146,87 +151,100 @@@
#include "types.h"
-extern char bat_routing_algo[];
-extern struct list_head hardif_list;
-
-extern unsigned char broadcast_addr[];
-extern struct workqueue_struct *bat_event_workqueue;
-
-int mesh_init(struct net_device *soft_iface);
-void mesh_free(struct net_device *soft_iface);
-void inc_module_count(void);
-void dec_module_count(void);
-int is_my_mac(const uint8_t *addr);
-int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *ptype, struct net_device *orig_dev);
-int recv_handler_register(uint8_t packet_type,
- int (*recv_handler)(struct sk_buff *,
- struct hard_iface *));
-void recv_handler_unregister(uint8_t packet_type);
-int bat_algo_register(struct bat_algo_ops *bat_algo_ops);
-int bat_algo_select(struct bat_priv *bat_priv, char *name);
-int bat_algo_seq_print_text(struct seq_file *seq, void *offset);
+extern char batadv_routing_algo[];
+extern struct list_head batadv_hardif_list;
+
+extern unsigned char batadv_broadcast_addr[];
+extern struct workqueue_struct *batadv_event_workqueue;
+
+int batadv_mesh_init(struct net_device *soft_iface);
+void batadv_mesh_free(struct net_device *soft_iface);
+void batadv_inc_module_count(void);
+void batadv_dec_module_count(void);
+int batadv_is_my_mac(const uint8_t *addr);
+int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *ptype,
+ struct net_device *orig_dev);
+int batadv_recv_handler_register(uint8_t packet_type,
+ int (*recv_handler)(struct sk_buff *,
+ struct hard_iface *));
+void batadv_recv_handler_unregister(uint8_t packet_type);
+int batadv_algo_register(struct bat_algo_ops *bat_algo_ops);
+int batadv_algo_select(struct bat_priv *bat_priv, char *name);
+int batadv_algo_seq_print_text(struct seq_file *seq, void *offset);
#ifdef CONFIG_BATMAN_ADV_DEBUG
-int debug_log(struct bat_priv *bat_priv, const char *fmt, ...) __printf(2, 3);
-
-#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)
+int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, va_list args);
+
+static inline void batadv_vdbg(int type, struct bat_priv *bat_priv,
+ const char *fmt, va_list args)
+{
+ if (atomic_read(&bat_priv->log_level) & type)
+ batadv_debug_log(bat_priv, fmt, args);
+}
+
#else /* !CONFIG_BATMAN_ADV_DEBUG */
-__printf(3, 4)
-static inline void bat_dbg(int type __always_unused,
- struct bat_priv *bat_priv __always_unused,
- const char *fmt __always_unused, ...)
+
+static inline void batadv_vdbg(int type __always_unused,
+ struct bat_priv *bat_priv __always_unused,
+ const char *fmt __always_unused,
+ va_list args __always_unused)
{
}
+
#endif
-#define bat_info(net_dev, fmt, arg...) \
+__printf(3, 4)
+static inline void batadv_dbg(int type, struct bat_priv *bat_priv,
+ const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ batadv_vdbg(type, bat_priv, fmt, args);
+ va_end(args);
+}
+
+#define batadv_info(net_dev, fmt, arg...) \
do { \
struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \
- bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
+ batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
pr_info("%s: " fmt, _netdev->name, ## arg); \
} while (0)
-#define bat_err(net_dev, fmt, arg...) \
+#define batadv_err(net_dev, fmt, arg...) \
do { \
struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \
- bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
+ batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
pr_err("%s: " fmt, _netdev->name, ## arg); \
} while (0)
-/**
- * returns 1 if they are the same ethernet addr
+/* returns 1 if they are the same ethernet addr
*
* note: can't use compare_ether_addr() as it requires aligned memory
*/
-
-static inline int compare_eth(const void *data1, const void *data2)
+static inline int batadv_compare_eth(const void *data1, const void *data2)
{
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
-/**
- * has_timed_out - compares current time (jiffies) and timestamp + timeout
+/* has_timed_out - compares current time (jiffies) and timestamp + timeout
* @timestamp: base value to compare with (in jiffies)
* @timeout: added to base value before comparing (in milliseconds)
*
* Returns true if current time is after timestamp + timeout
*/
-static inline bool has_timed_out(unsigned long timestamp, unsigned int timeout)
+static inline bool batadv_has_timed_out(unsigned long timestamp,
+ unsigned int timeout)
{
return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout));
}
-#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
+#define batadv_atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
/* Returns the smallest signed integer in two's complement with the sizeof x */
-#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
+#define batadv_smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
/* Checks if a sequence number x is a predecessor/successor of y.
* they handle overflows/underflows and can correctly check for a
@@@ -267,39 -236,12 +254,39 @@@
* - when adding nothing - it is neither a predecessor nor a successor
* - before adding more than 127 to the starting value - it is a predecessor,
* - when adding 128 - it is neither a predecessor nor a successor,
- * - after adding more than 127 to the starting value - it is a successor */
-#define seq_before(x, y) ({typeof(x) _d1 = (x); \
- typeof(y) _d2 = (y); \
- typeof(x) _dummy = (_d1 - _d2); \
- (void) (&_d1 == &_d2); \
- _dummy > smallest_signed_int(_dummy); })
-#define seq_after(x, y) seq_before(y, x)
+ * - after adding more than 127 to the starting value - it is a successor
+ */
+#define batadv_seq_before(x, y) ({typeof(x) _d1 = (x); \
+ typeof(y) _d2 = (y); \
+ typeof(x) _dummy = (_d1 - _d2); \
+ (void) (&_d1 == &_d2); \
+ _dummy > batadv_smallest_signed_int(_dummy); })
+#define batadv_seq_after(x, y) batadv_seq_before(y, x)
+
+/* Stop preemption on local cpu while incrementing the counter */
+static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx,
+ size_t count)
+{
+ int cpu = get_cpu();
+ per_cpu_ptr(bat_priv->bat_counters, cpu)[idx] += count;
+ put_cpu();
+}
+
+#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)
+
+/* Sum and return the cpu-local counters for index 'idx' */
+static inline uint64_t batadv_sum_counter(struct bat_priv *bat_priv, size_t idx)
+{
+ uint64_t *counters;
+ int cpu;
+ int sum = 0;
+
+ for_each_possible_cpu(cpu) {
+ counters = per_cpu_ptr(bat_priv->bat_counters, cpu);
+ sum += counters[idx];
+ }
+
+ return sum;
+}
#endif /* _NET_BATMAN_ADV_MAIN_H_ */
diff --combined originator.c
index 970dde5,4114794..bf9ec39
--- a/originator.c
+++ b/originator.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2009-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,10 -16,10 +15,9 @@@
* 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 "distributed-arp-table.h"
#include "originator.h"
#include "hash.h"
#include "translation-table.h"
@@@ -29,48 -30,48 +28,48 @@@
#include "soft-interface.h"
#include "bridge_loop_avoidance.h"
-static void purge_orig(struct work_struct *work);
+static void batadv_purge_orig(struct work_struct *work);
-static void start_purge_timer(struct bat_priv *bat_priv)
+static void batadv_start_purge_timer(struct bat_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->orig_work, purge_orig);
- queue_delayed_work(bat_event_workqueue,
+ INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);
+ queue_delayed_work(batadv_event_workqueue,
&bat_priv->orig_work, msecs_to_jiffies(1000));
}
/* returns 1 if they are the same originator */
-static int compare_orig(const struct hlist_node *node, const void *data2)
+static int batadv_compare_orig(const struct hlist_node *node, const void *data2)
{
const void *data1 = container_of(node, struct orig_node, hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
-int originator_init(struct bat_priv *bat_priv)
+int batadv_originator_init(struct bat_priv *bat_priv)
{
if (bat_priv->orig_hash)
- return 1;
+ return 0;
- bat_priv->orig_hash = hash_new(1024);
+ bat_priv->orig_hash = batadv_hash_new(1024);
if (!bat_priv->orig_hash)
goto err;
- start_purge_timer(bat_priv);
- return 1;
+ batadv_start_purge_timer(bat_priv);
+ return 0;
err:
- return 0;
+ return -ENOMEM;
}
-void neigh_node_free_ref(struct neigh_node *neigh_node)
+void batadv_neigh_node_free_ref(struct neigh_node *neigh_node)
{
if (atomic_dec_and_test(&neigh_node->refcount))
kfree_rcu(neigh_node, rcu);
}
/* increases the refcounter of a found router */
-struct neigh_node *orig_node_get_router(struct orig_node *orig_node)
+struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node)
{
struct neigh_node *router;
@@@ -103,15 -104,15 +102,15 @@@ struct neigh_node *batadv_neigh_node_ne
/* extra reference for return */
atomic_set(&neigh_node->refcount, 2);
- bat_dbg(DBG_BATMAN, bat_priv,
- "Creating new neighbor %pM, initial seqno %d\n",
- neigh_addr, seqno);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Creating new neighbor %pM, initial seqno %d\n",
+ neigh_addr, seqno);
out:
return neigh_node;
}
-static void orig_node_free_rcu(struct rcu_head *rcu)
+static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
{
struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node, *tmp_neigh_node;
@@@ -125,21 -126,21 +124,21 @@@
list_for_each_entry_safe(neigh_node, tmp_neigh_node,
&orig_node->bond_list, bonding_list) {
list_del_rcu(&neigh_node->bonding_list);
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
}
/* for all neighbors towards this originator ... */
hlist_for_each_entry_safe(neigh_node, node, node_tmp,
&orig_node->neigh_list, list) {
hlist_del_rcu(&neigh_node->list);
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
}
spin_unlock_bh(&orig_node->neigh_list_lock);
- frag_list_free(&orig_node->frag_list);
- tt_global_del_orig(orig_node->bat_priv, orig_node,
- "originator timed out");
+ batadv_frag_list_free(&orig_node->frag_list);
+ batadv_tt_global_del_orig(orig_node->bat_priv, orig_node,
+ "originator timed out");
kfree(orig_node->tt_buff);
kfree(orig_node->bcast_own);
@@@ -147,13 -148,13 +146,13 @@@
kfree(orig_node);
}
-void orig_node_free_ref(struct orig_node *orig_node)
+void batadv_orig_node_free_ref(struct orig_node *orig_node)
{
if (atomic_dec_and_test(&orig_node->refcount))
- call_rcu(&orig_node->rcu, orig_node_free_rcu);
+ call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);
}
-void originator_free(struct bat_priv *bat_priv)
+void batadv_originator_free(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp;
@@@ -178,30 -179,28 +177,30 @@@
head, hash_entry) {
hlist_del_rcu(node);
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
}
spin_unlock_bh(list_lock);
}
- hash_destroy(hash);
+ batadv_hash_destroy(hash);
}
/* this function finds or creates an originator entry for the given
- * address if it does not exits */
-struct orig_node *get_orig_node(struct bat_priv *bat_priv, const uint8_t *addr)
+ * address if it does not exits
+ */
+struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv,
+ const uint8_t *addr)
{
struct orig_node *orig_node;
int size;
int hash_added;
- orig_node = orig_hash_find(bat_priv, addr);
+ orig_node = batadv_orig_hash_find(bat_priv, addr);
if (orig_node)
return orig_node;
- bat_dbg(DBG_BATMAN, bat_priv,
- "Creating new originator: %pM\n", addr);
+ batadv_dbg(DBG_BATMAN, bat_priv, "Creating new originator: %pM\n",
+ addr);
orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC);
if (!orig_node)
@@@ -221,7 -220,6 +220,6 @@@
orig_node->tt_poss_change = false;
orig_node->bat_priv = bat_priv;
memcpy(orig_node->orig, addr, ETH_ALEN);
- batadv_dat_init_orig_node_dht_addr(orig_node);
orig_node->router = NULL;
orig_node->tt_crc = 0;
atomic_set(&orig_node->last_ttvn, 0);
@@@ -250,9 -248,8 +248,9 @@@
if (!orig_node->bcast_own_sum)
goto free_bcast_own;
- hash_added = hash_add(bat_priv->orig_hash, compare_orig,
- choose_orig, orig_node, &orig_node->hash_entry);
+ hash_added = batadv_hash_add(bat_priv->orig_hash, batadv_compare_orig,
+ batadv_choose_orig, orig_node,
+ &orig_node->hash_entry);
if (hash_added != 0)
goto free_bcast_own_sum;
@@@ -266,15 -263,14 +264,15 @@@ free_orig_node
return NULL;
}
-static bool purge_orig_neighbors(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- struct neigh_node **best_neigh_node)
+static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ struct neigh_node **best_neigh_node)
{
struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node;
bool neigh_purged = false;
unsigned long last_seen;
+ struct hard_iface *if_incoming;
*best_neigh_node = NULL;
@@@ -284,32 -280,34 +282,32 @@@
hlist_for_each_entry_safe(neigh_node, node, node_tmp,
&orig_node->neigh_list, list) {
- if ((has_timed_out(neigh_node->last_seen, PURGE_TIMEOUT)) ||
- (neigh_node->if_incoming->if_status == IF_INACTIVE) ||
- (neigh_node->if_incoming->if_status == IF_NOT_IN_USE) ||
- (neigh_node->if_incoming->if_status == IF_TO_BE_REMOVED)) {
-
- last_seen = neigh_node->last_seen;
-
- if ((neigh_node->if_incoming->if_status ==
- IF_INACTIVE) ||
- (neigh_node->if_incoming->if_status ==
- IF_NOT_IN_USE) ||
- (neigh_node->if_incoming->if_status ==
- IF_TO_BE_REMOVED))
- 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->net_dev->name);
+ last_seen = neigh_node->last_seen;
+ if_incoming = neigh_node->if_incoming;
+
+ if ((batadv_has_timed_out(last_seen, PURGE_TIMEOUT)) ||
+ (if_incoming->if_status == IF_INACTIVE) ||
+ (if_incoming->if_status == IF_NOT_IN_USE) ||
+ (if_incoming->if_status == IF_TO_BE_REMOVED)) {
+
+ if ((if_incoming->if_status == IF_INACTIVE) ||
+ (if_incoming->if_status == IF_NOT_IN_USE) ||
+ (if_incoming->if_status == IF_TO_BE_REMOVED))
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n",
+ orig_node->orig, neigh_node->addr,
+ if_incoming->net_dev->name);
else
- bat_dbg(DBG_BATMAN, bat_priv,
- "neighbor timeout: originator %pM, neighbor: %pM, last_seen: %u\n",
- orig_node->orig, neigh_node->addr,
- jiffies_to_msecs(last_seen));
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "neighbor timeout: originator %pM, neighbor: %pM, last_seen: %u\n",
+ orig_node->orig, neigh_node->addr,
+ jiffies_to_msecs(last_seen));
neigh_purged = true;
hlist_del_rcu(&neigh_node->list);
- bonding_candidate_del(orig_node, neigh_node);
- neigh_node_free_ref(neigh_node);
+ batadv_bonding_candidate_del(orig_node, neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
} else {
if ((!*best_neigh_node) ||
(neigh_node->tq_avg > (*best_neigh_node)->tq_avg))
@@@ -321,28 -319,27 +319,28 @@@
return neigh_purged;
}
-static bool purge_orig_node(struct bat_priv *bat_priv,
- struct orig_node *orig_node)
+static bool batadv_purge_orig_node(struct bat_priv *bat_priv,
+ struct orig_node *orig_node)
{
struct neigh_node *best_neigh_node;
- if (has_timed_out(orig_node->last_seen, 2 * PURGE_TIMEOUT)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Originator timeout: originator %pM, last_seen %u\n",
- orig_node->orig,
- jiffies_to_msecs(orig_node->last_seen));
+ if (batadv_has_timed_out(orig_node->last_seen, 2 * PURGE_TIMEOUT)) {
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Originator timeout: originator %pM, last_seen %u\n",
+ orig_node->orig,
+ jiffies_to_msecs(orig_node->last_seen));
return true;
} else {
- if (purge_orig_neighbors(bat_priv, orig_node,
- &best_neigh_node))
- update_route(bat_priv, orig_node, best_neigh_node);
+ if (batadv_purge_orig_neighbors(bat_priv, orig_node,
+ &best_neigh_node))
+ batadv_update_route(bat_priv, orig_node,
+ best_neigh_node);
}
return false;
}
-static void _purge_orig(struct bat_priv *bat_priv)
+static void _batadv_purge_orig(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp;
@@@ -362,43 -359,42 +360,43 @@@
spin_lock_bh(list_lock);
hlist_for_each_entry_safe(orig_node, node, node_tmp,
head, hash_entry) {
- if (purge_orig_node(bat_priv, orig_node)) {
+ if (batadv_purge_orig_node(bat_priv, orig_node)) {
if (orig_node->gw_flags)
- gw_node_delete(bat_priv, orig_node);
+ batadv_gw_node_delete(bat_priv,
+ orig_node);
hlist_del_rcu(node);
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
continue;
}
- if (has_timed_out(orig_node->last_frag_packet,
- FRAG_TIMEOUT))
- frag_list_free(&orig_node->frag_list);
+ if (batadv_has_timed_out(orig_node->last_frag_packet,
+ FRAG_TIMEOUT))
+ batadv_frag_list_free(&orig_node->frag_list);
}
spin_unlock_bh(list_lock);
}
- gw_node_purge(bat_priv);
- gw_election(bat_priv);
+ batadv_gw_node_purge(bat_priv);
+ batadv_gw_election(bat_priv);
}
-static void purge_orig(struct work_struct *work)
+static void batadv_purge_orig(struct work_struct *work)
{
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
struct bat_priv *bat_priv =
container_of(delayed_work, struct bat_priv, orig_work);
- _purge_orig(bat_priv);
- start_purge_timer(bat_priv);
+ _batadv_purge_orig(bat_priv);
+ batadv_start_purge_timer(bat_priv);
}
-void purge_orig_ref(struct bat_priv *bat_priv)
+void batadv_purge_orig_ref(struct bat_priv *bat_priv)
{
- _purge_orig(bat_priv);
+ _batadv_purge_orig(bat_priv);
}
-int orig_seq_print_text(struct seq_file *seq, void *offset)
+int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev);
@@@ -414,7 -410,7 +412,7 @@@
uint32_t i;
int ret = 0;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
ret = seq_printf(seq,
@@@ -442,7 -438,7 +440,7 @@@
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
- neigh_node = orig_node_get_router(orig_node);
+ neigh_node = batadv_orig_node_get_router(orig_node);
if (!neigh_node)
continue;
@@@ -471,7 -467,7 +469,7 @@@
batman_count++;
next:
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
}
rcu_read_unlock();
}
@@@ -481,18 -477,18 +479,18 @@@
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return ret;
}
-static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
+static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num)
{
void *data_ptr;
data_ptr = kmalloc(max_if_num * sizeof(unsigned long) * NUM_WORDS,
GFP_ATOMIC);
if (!data_ptr)
- return -1;
+ return -ENOMEM;
memcpy(data_ptr, orig_node->bcast_own,
(max_if_num - 1) * sizeof(unsigned long) * NUM_WORDS);
@@@ -501,7 -497,7 +499,7 @@@
data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr)
- return -1;
+ return -ENOMEM;
memcpy(data_ptr, orig_node->bcast_own_sum,
(max_if_num - 1) * sizeof(uint8_t));
@@@ -511,7 -507,7 +509,7 @@@
return 0;
}
-int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num)
+int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
@@@ -522,18 -518,17 +520,18 @@@
int ret;
/* resize all orig nodes because orig_node->bcast_own(_sum) depend on
- * if_num */
+ * if_num
+ */
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
- ret = orig_node_add_if(orig_node, max_if_num);
+ ret = batadv_orig_node_add_if(orig_node, max_if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
- if (ret == -1)
+ if (ret == -ENOMEM)
goto err;
}
rcu_read_unlock();
@@@ -546,8 -541,8 +544,8 @@@ err
return -ENOMEM;
}
-static int orig_node_del_if(struct orig_node *orig_node,
- int max_if_num, int del_if_num)
+static int batadv_orig_node_del_if(struct orig_node *orig_node,
+ int max_if_num, int del_if_num)
{
void *data_ptr = NULL;
int chunk_size;
@@@ -559,7 -554,7 +557,7 @@@
chunk_size = sizeof(unsigned long) * NUM_WORDS;
data_ptr = kmalloc(max_if_num * chunk_size, GFP_ATOMIC);
if (!data_ptr)
- return -1;
+ return -ENOMEM;
/* copy first part */
memcpy(data_ptr, orig_node->bcast_own, del_if_num * chunk_size);
@@@ -578,7 -573,7 +576,7 @@@ free_bcast_own
data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr)
- return -1;
+ return -ENOMEM;
memcpy(data_ptr, orig_node->bcast_own_sum,
del_if_num * sizeof(uint8_t));
@@@ -594,7 -589,7 +592,7 @@@ free_own_sum
return 0;
}
-int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
+int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
@@@ -606,19 -601,18 +604,19 @@@
int ret;
/* resize all orig nodes because orig_node->bcast_own(_sum) depend on
- * if_num */
+ * if_num
+ */
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
- ret = orig_node_del_if(orig_node, max_if_num,
- hard_iface->if_num);
+ ret = batadv_orig_node_del_if(orig_node, max_if_num,
+ hard_iface->if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
- if (ret == -1)
+ if (ret == -ENOMEM)
goto err;
}
rcu_read_unlock();
@@@ -626,7 -620,7 +624,7 @@@
/* renumber remaining batman interfaces _inside_ of orig_hash_lock */
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface_tmp, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface_tmp, &batadv_hardif_list, list) {
if (hard_iface_tmp->if_status == IF_NOT_IN_USE)
continue;
diff --combined packet.h
index 44eed60,0ee1af7..205879e
--- a/packet.h
+++ b/packet.h
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,6 -16,7 +15,6 @@@
* 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_PACKET_H_
@@@ -23,22 -25,14 +23,14 @@@
#define ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */
enum bat_packettype {
- BAT_IV_OGM = 0x01,
- BAT_ICMP = 0x02,
- BAT_UNICAST = 0x03,
- BAT_BCAST = 0x04,
- BAT_VIS = 0x05,
- BAT_UNICAST_FRAG = 0x06,
- BAT_TT_QUERY = 0x07,
- BAT_ROAM_ADV = 0x08,
- BAT_UNICAST_4ADDR = 0x09
- };
-
- enum bat_subtype {
- BAT_P_DATA = 0x01,
- BAT_P_DAT_DHT_GET = 0x02,
- BAT_P_DAT_DHT_PUT = 0x03,
- BAT_P_DAT_CACHE_REPLY = 0x04
- BAT_IV_OGM = 0x01,
- BAT_ICMP = 0x02,
- BAT_UNICAST = 0x03,
- BAT_BCAST = 0x04,
- BAT_VIS = 0x05,
++ BAT_IV_OGM = 0x01,
++ BAT_ICMP = 0x02,
++ BAT_UNICAST = 0x03,
++ BAT_BCAST = 0x04,
++ BAT_VIS = 0x05,
+ BAT_UNICAST_FRAG = 0x06,
- BAT_TT_QUERY = 0x07,
- BAT_ROAM_ADV = 0x08
++ BAT_TT_QUERY = 0x07,
++ BAT_ROAM_ADV = 0x08
};
/* this file is included by batctl which needs these defines */
@@@ -87,8 -81,7 +79,8 @@@ enum tt_query_flags
/* TT_CLIENT flags.
* Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to
- * 1 << 15 are used for local computation only */
+ * 1 << 15 are used for local computation only
+ */
enum tt_client_flags {
TT_CLIENT_DEL = 1 << 0,
TT_CLIENT_ROAM = 1 << 1,
@@@ -112,7 -105,7 +104,7 @@@ enum bla_claimframe
struct bla_claim_dst {
uint8_t magic[3]; /* FF:43:05 */
uint8_t type; /* bla_claimframe */
- uint16_t group; /* group id */
+ __be16 group; /* group id */
} __packed;
struct batman_header {
@@@ -124,14 -117,14 +116,14 @@@
struct batman_ogm_packet {
struct batman_header header;
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
- uint32_t seqno;
+ __be32 seqno;
uint8_t orig[ETH_ALEN];
uint8_t prev_sender[ETH_ALEN];
uint8_t gw_flags; /* flags related to gateway class */
uint8_t tq;
uint8_t tt_num_changes;
uint8_t ttvn; /* translation table version number */
- uint16_t tt_crc;
+ __be16 tt_crc;
} __packed;
#define BATMAN_OGM_HLEN sizeof(struct batman_ogm_packet)
@@@ -141,7 -134,7 +133,7 @@@ struct icmp_packet
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
- uint16_t seqno;
+ __be16 seqno;
uint8_t uid;
uint8_t reserved;
} __packed;
@@@ -149,14 -142,13 +141,14 @@@
#define BAT_RR_LEN 16
/* icmp_packet_rr must start with all fields from imcp_packet
- * as this is assumed by code that handles ICMP packets */
+ * as this is assumed by code that handles ICMP packets
+ */
struct icmp_packet_rr {
struct batman_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
- uint16_t seqno;
+ __be16 seqno;
uint8_t uid;
uint8_t rr_cur;
uint8_t rr[BAT_RR_LEN][ETH_ALEN];
@@@ -168,12 -160,6 +160,6 @@@ struct unicast_packet
uint8_t dest[ETH_ALEN];
} __packed;
- struct unicast_4addr_packet {
- struct unicast_packet u;
- uint8_t src[ETH_ALEN];
- uint8_t subtype;
- } __packed;
-
struct unicast_frag_packet {
struct batman_header header;
uint8_t ttvn; /* destination translation table version number */
@@@ -181,20 -167,20 +167,20 @@@
uint8_t flags;
uint8_t align;
uint8_t orig[ETH_ALEN];
- uint16_t seqno;
+ __be16 seqno;
} __packed;
struct bcast_packet {
struct batman_header header;
uint8_t reserved;
- uint32_t seqno;
+ __be32 seqno;
uint8_t orig[ETH_ALEN];
} __packed;
struct vis_packet {
struct batman_header header;
uint8_t vis_type; /* which type of vis-participant sent this? */
- uint32_t seqno; /* sequence number */
+ __be32 seqno; /* sequence number */
uint8_t entries; /* number of entries behind this struct */
uint8_t reserved;
uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */
@@@ -206,8 -192,7 +192,8 @@@ struct tt_query_packet
struct batman_header header;
/* the flag field is a combination of:
* - TT_REQUEST or TT_RESPONSE
- * - TT_FULL_TABLE */
+ * - TT_FULL_TABLE
+ */
uint8_t flags;
uint8_t dst[ETH_ALEN];
uint8_t src[ETH_ALEN];
@@@ -215,15 -200,13 +201,15 @@@
* if TT_REQUEST: ttvn that triggered the
* request
* if TT_RESPONSE: new ttvn for the src
- * orig_node */
+ * orig_node
+ */
uint8_t ttvn;
/* tt_data field is:
* if TT_REQUEST: crc associated with the
* ttvn
- * if TT_RESPONSE: table_size */
- uint16_t tt_data;
+ * if TT_RESPONSE: table_size
+ */
+ __be16 tt_data;
} __packed;
struct roam_adv_packet {
diff --combined routing.c
index c3160be,840e2c6..3bd3f80
--- a/routing.c
+++ b/routing.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,6 -16,7 +15,6 @@@
* 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"
@@@ -29,10 -31,10 +29,10 @@@
#include "unicast.h"
#include "bridge_loop_avoidance.h"
-static int route_unicast_packet(struct sk_buff *skb,
- struct hard_iface *recv_if);
+static int batadv_route_unicast_packet(struct sk_buff *skb,
+ struct hard_iface *recv_if);
-void slide_own_bcast_window(struct hard_iface *hard_iface)
+void batadv_slide_own_bcast_window(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
@@@ -52,7 -54,7 +52,7 @@@
word_index = hard_iface->if_num * NUM_WORDS;
word = &(orig_node->bcast_own[word_index]);
- bit_get_packet(bat_priv, word, 1, 0);
+ batadv_bit_get_packet(bat_priv, word, 1, 0);
orig_node->bcast_own_sum[hard_iface->if_num] =
bitmap_weight(word, TQ_LOCAL_WINDOW_SIZE);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
@@@ -61,37 -63,37 +61,37 @@@
}
}
-static void _update_route(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+static void _batadv_update_route(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
struct neigh_node *curr_router;
- curr_router = orig_node_get_router(orig_node);
+ curr_router = batadv_orig_node_get_router(orig_node);
/* route deleted */
if ((curr_router) && (!neigh_node)) {
- bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
- orig_node->orig);
- tt_global_del_orig(bat_priv, orig_node,
- "Deleted route towards originator");
+ batadv_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
+ orig_node->orig);
+ batadv_tt_global_del_orig(bat_priv, orig_node,
+ "Deleted route towards originator");
/* route added */
} else if ((!curr_router) && (neigh_node)) {
- bat_dbg(DBG_ROUTES, bat_priv,
- "Adding route towards: %pM (via %pM)\n",
- orig_node->orig, neigh_node->addr);
+ batadv_dbg(DBG_ROUTES, bat_priv,
+ "Adding route towards: %pM (via %pM)\n",
+ orig_node->orig, neigh_node->addr);
/* route changed */
} else if (neigh_node && curr_router) {
- bat_dbg(DBG_ROUTES, bat_priv,
- "Changing route towards: %pM (now via %pM - was via %pM)\n",
- orig_node->orig, neigh_node->addr,
- curr_router->addr);
+ batadv_dbg(DBG_ROUTES, bat_priv,
+ "Changing route towards: %pM (now via %pM - was via %pM)\n",
+ orig_node->orig, neigh_node->addr,
+ curr_router->addr);
}
if (curr_router)
- neigh_node_free_ref(curr_router);
+ batadv_neigh_node_free_ref(curr_router);
/* increase refcount of new best neighbor */
if (neigh_node && !atomic_inc_not_zero(&neigh_node->refcount))
@@@ -103,30 -105,30 +103,30 @@@
/* decrease refcount of previous best neighbor */
if (curr_router)
- neigh_node_free_ref(curr_router);
+ batadv_neigh_node_free_ref(curr_router);
}
-void update_route(struct bat_priv *bat_priv, struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
struct neigh_node *router = NULL;
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (router != neigh_node)
- _update_route(bat_priv, orig_node, neigh_node);
+ _batadv_update_route(bat_priv, orig_node, neigh_node);
out:
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
}
/* caller must hold the neigh_list_lock */
-void bonding_candidate_del(struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+void batadv_bonding_candidate_del(struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
/* this neighbor is not part of our candidate list */
if (list_empty(&neigh_node->bonding_list))
@@@ -134,15 -136,15 +134,15 @@@
list_del_rcu(&neigh_node->bonding_list);
INIT_LIST_HEAD(&neigh_node->bonding_list);
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
atomic_dec(&orig_node->bond_candidates);
out:
return;
}
-void bonding_candidate_add(struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+void batadv_bonding_candidate_add(struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
struct hlist_node *node;
struct neigh_node *tmp_neigh_node, *router = NULL;
@@@ -151,11 -153,11 +151,11 @@@
spin_lock_bh(&orig_node->neigh_list_lock);
/* only consider if it has the same primary address ... */
- if (!compare_eth(orig_node->orig,
- neigh_node->orig_node->primary_addr))
+ if (!batadv_compare_eth(orig_node->orig,
+ neigh_node->orig_node->primary_addr))
goto candidate_del;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto candidate_del;
@@@ -163,7 -165,8 +163,7 @@@
if (neigh_node->tq_avg < router->tq_avg - BONDING_TQ_THRESHOLD)
goto candidate_del;
- /**
- * check if we have another candidate with the same mac address or
+ /* check if we have another candidate with the same mac address or
* interface. If we do, we won't select this candidate because of
* possible interference.
*/
@@@ -174,14 -177,12 +174,14 @@@
continue;
/* we only care if the other candidate is even
- * considered as candidate. */
+ * considered as candidate.
+ */
if (list_empty(&tmp_neigh_node->bonding_list))
continue;
if ((neigh_node->if_incoming == tmp_neigh_node->if_incoming) ||
- (compare_eth(neigh_node->addr, tmp_neigh_node->addr))) {
+ (batadv_compare_eth(neigh_node->addr,
+ tmp_neigh_node->addr))) {
interference_candidate = 1;
break;
}
@@@ -203,20 -204,19 +203,20 @@@
goto out;
candidate_del:
- bonding_candidate_del(orig_node, neigh_node);
+ batadv_bonding_candidate_del(orig_node, neigh_node);
out:
spin_unlock_bh(&orig_node->neigh_list_lock);
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
}
/* copy primary address for bonding */
-void bonding_save_primary(const struct orig_node *orig_node,
- struct orig_node *orig_neigh_node,
- const struct batman_ogm_packet *batman_ogm_packet)
+void
+batadv_bonding_save_primary(const struct orig_node *orig_node,
+ struct orig_node *orig_neigh_node,
+ const struct batman_ogm_packet *batman_ogm_packet)
{
if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP))
return;
@@@ -229,25 -229,25 +229,25 @@@
* 0 if the packet is to be accepted
* 1 if the packet is to be ignored.
*/
-int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
- unsigned long *last_reset)
+int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
+ unsigned long *last_reset)
{
if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) ||
(seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
- if (!has_timed_out(*last_reset, RESET_PROTECTION_MS))
+ if (!batadv_has_timed_out(*last_reset, RESET_PROTECTION_MS))
return 1;
*last_reset = jiffies;
- bat_dbg(DBG_BATMAN, bat_priv,
- "old packet received, start protection\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "old packet received, start protection\n");
}
return 0;
}
-bool check_management_packet(struct sk_buff *skb,
- struct hard_iface *hard_iface,
- int header_len)
+bool batadv_check_management_packet(struct sk_buff *skb,
+ struct hard_iface *hard_iface,
+ int header_len)
{
struct ethhdr *ethhdr;
@@@ -276,8 -276,8 +276,8 @@@
return true;
}
-static int recv_my_icmp_packet(struct bat_priv *bat_priv,
- struct sk_buff *skb, size_t icmp_len)
+static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
+ struct sk_buff *skb, size_t icmp_len)
{
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
@@@ -289,21 -289,21 +289,21 @@@
/* add data to device queue */
if (icmp_packet->msg_type != ECHO_REQUEST) {
- bat_socket_receive_packet(icmp_packet, icmp_len);
+ batadv_socket_receive_packet(icmp_packet, icmp_len);
goto out;
}
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
/* answer echo request (ping) */
/* get routing information */
- orig_node = orig_hash_find(bat_priv, icmp_packet->orig);
+ orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->orig);
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto out;
@@@ -318,21 -318,21 +318,21 @@@
icmp_packet->msg_type = ECHO_REPLY;
icmp_packet->header.ttl = TTL;
- send_skb_packet(skb, router->if_incoming, router->addr);
+ batadv_send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
-static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
- struct sk_buff *skb)
+static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
+ struct sk_buff *skb)
{
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
@@@ -349,16 -349,16 +349,16 @@@
goto out;
}
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
/* get routing information */
- orig_node = orig_hash_find(bat_priv, icmp_packet->orig);
+ orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->orig);
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto out;
@@@ -373,21 -373,21 +373,21 @@@
icmp_packet->msg_type = TTL_EXCEEDED;
icmp_packet->header.ttl = TTL;
- send_skb_packet(skb, router->if_incoming, router->addr);
+ batadv_send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
-int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct icmp_packet_rr *icmp_packet;
@@@ -397,7 -397,9 +397,7 @@@
int hdr_size = sizeof(struct icmp_packet);
int ret = NET_RX_DROP;
- /**
- * we truncate all incoming icmp packets if they don't match our size
- */
+ /* we truncate all incoming icmp packets if they don't match our size */
if (skb->len >= sizeof(struct icmp_packet_rr))
hdr_size = sizeof(struct icmp_packet_rr);
@@@ -416,7 -418,7 +416,7 @@@
goto out;
/* not for me */
- if (!is_my_mac(ethhdr->h_dest))
+ if (!batadv_is_my_mac(ethhdr->h_dest))
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
@@@ -430,19 -432,19 +430,19 @@@
}
/* packet for me */
- if (is_my_mac(icmp_packet->dst))
- return recv_my_icmp_packet(bat_priv, skb, hdr_size);
+ if (batadv_is_my_mac(icmp_packet->dst))
+ return batadv_recv_my_icmp_packet(bat_priv, skb, hdr_size);
/* TTL exceeded */
if (icmp_packet->header.ttl < 2)
- return recv_icmp_ttl_exceeded(bat_priv, skb);
+ return batadv_recv_icmp_ttl_exceeded(bat_priv, skb);
/* get routing information */
- 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 out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto out;
@@@ -456,14 -458,14 +456,14 @@@
icmp_packet->header.ttl--;
/* route it */
- send_skb_packet(skb, router->if_incoming, router->addr);
+ batadv_send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
out:
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
@@@ -471,11 -473,9 +471,11 @@@
* robin fashion over the remaining interfaces.
*
* This method rotates the bonding list and increases the
- * returned router's refcount. */
-static struct neigh_node *find_bond_router(struct orig_node *primary_orig,
- const struct hard_iface *recv_if)
+ * returned router's refcount.
+ */
+static struct neigh_node *
+batadv_find_bond_router(struct orig_node *primary_orig,
+ const struct hard_iface *recv_if)
{
struct neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL;
@@@ -506,12 -506,10 +506,12 @@@
goto out;
/* selected should point to the next element
- * after the current router */
+ * after the current router
+ */
spin_lock_bh(&primary_orig->neigh_list_lock);
/* this is a list_move(), which unfortunately
- * does not exist as rcu version */
+ * does not exist as rcu version
+ */
list_del_rcu(&primary_orig->bond_list);
list_add_rcu(&primary_orig->bond_list,
&router->bonding_list);
@@@ -526,11 -524,9 +526,11 @@@ out
* remaining candidates which are not using
* this interface.
*
- * Increases the returned router's refcount */
-static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
- const struct hard_iface *recv_if)
+ * Increases the returned router's refcount
+ */
+static struct neigh_node *
+batadv_find_ifalter_router(struct orig_node *primary_orig,
+ const struct hard_iface *recv_if)
{
struct neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL;
@@@ -549,21 -545,19 +549,21 @@@
continue;
/* if we don't have a router yet
- * or this one is better, choose it. */
+ * or this one is better, choose it.
+ */
if ((!router) ||
(tmp_neigh_node->tq_avg > router->tq_avg)) {
/* decrement refcount of
- * previously selected router */
+ * previously selected router
+ */
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
router = tmp_neigh_node;
atomic_inc_not_zero(&router->refcount);
}
- neigh_node_free_ref(tmp_neigh_node);
+ batadv_neigh_node_free_ref(tmp_neigh_node);
}
/* use the first candidate if nothing was found. */
@@@ -575,13 -569,12 +575,13 @@@
return router;
}
-int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct tt_query_packet *tt_query;
- uint16_t tt_len;
+ uint16_t tt_size;
struct ethhdr *ethhdr;
+ char tt_flag;
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet))))
@@@ -603,47 -596,43 +603,47 @@@
tt_query = (struct tt_query_packet *)skb->data;
- tt_query->tt_data = ntohs(tt_query->tt_data);
-
switch (tt_query->flags & TT_QUERY_TYPE_MASK) {
case TT_REQUEST:
+ batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_RX);
+
/* If we cannot provide an answer the tt_request is
- * forwarded */
- if (!send_tt_response(bat_priv, tt_query)) {
- bat_dbg(DBG_TT, bat_priv,
- "Routing TT_REQUEST to %pM [%c]\n",
- tt_query->dst,
- (tt_query->flags & TT_FULL_TABLE ? 'F' : '.'));
- tt_query->tt_data = htons(tt_query->tt_data);
- return route_unicast_packet(skb, recv_if);
+ * forwarded
+ */
+ if (!batadv_send_tt_response(bat_priv, tt_query)) {
+ tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.';
+ batadv_dbg(DBG_TT, bat_priv,
+ "Routing TT_REQUEST to %pM [%c]\n",
+ tt_query->dst,
+ tt_flag);
+ return batadv_route_unicast_packet(skb, recv_if);
}
break;
case TT_RESPONSE:
- if (is_my_mac(tt_query->dst)) {
+ batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_RX);
+
+ if (batadv_is_my_mac(tt_query->dst)) {
/* packet needs to be linearized to access the TT
- * changes */
+ * changes
+ */
if (skb_linearize(skb) < 0)
goto out;
- tt_len = tt_query->tt_data * sizeof(struct tt_change);
+ tt_size = batadv_tt_len(ntohs(tt_query->tt_data));
/* Ensure we have all the claimed data */
if (unlikely(skb_headlen(skb) <
- sizeof(struct tt_query_packet) + tt_len))
+ sizeof(struct tt_query_packet) + tt_size))
goto out;
- handle_tt_response(bat_priv, tt_query);
+ batadv_handle_tt_response(bat_priv, tt_query);
} else {
- bat_dbg(DBG_TT, bat_priv,
- "Routing TT_RESPONSE to %pM [%c]\n",
- tt_query->dst,
- (tt_query->flags & TT_FULL_TABLE ? 'F' : '.'));
- tt_query->tt_data = htons(tt_query->tt_data);
- return route_unicast_packet(skb, recv_if);
+ tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.';
+ batadv_dbg(DBG_TT, bat_priv,
+ "Routing TT_RESPONSE to %pM [%c]\n",
+ tt_query->dst,
+ tt_flag);
+ return batadv_route_unicast_packet(skb, recv_if);
}
break;
}
@@@ -653,7 -642,7 +653,7 @@@ out
return NET_RX_DROP;
}
-int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct roam_adv_packet *roam_adv_packet;
@@@ -674,39 -663,35 +674,39 @@@
if (is_broadcast_ether_addr(ethhdr->h_source))
goto out;
+ batadv_inc_counter(bat_priv, BAT_CNT_TT_ROAM_ADV_RX);
+
roam_adv_packet = (struct roam_adv_packet *)skb->data;
- if (!is_my_mac(roam_adv_packet->dst))
- return route_unicast_packet(skb, recv_if);
+ if (!batadv_is_my_mac(roam_adv_packet->dst))
+ return batadv_route_unicast_packet(skb, recv_if);
/* check if it is a backbone gateway. we don't accept
* roaming advertisement from it, as it has the same
* entries as we have.
*/
- if (bla_is_backbone_gw_orig(bat_priv, roam_adv_packet->src))
+ if (batadv_bla_is_backbone_gw_orig(bat_priv, roam_adv_packet->src))
goto out;
- orig_node = orig_hash_find(bat_priv, roam_adv_packet->src);
+ orig_node = batadv_orig_hash_find(bat_priv, roam_adv_packet->src);
if (!orig_node)
goto out;
- bat_dbg(DBG_TT, bat_priv,
- "Received ROAMING_ADV from %pM (client %pM)\n",
- roam_adv_packet->src, roam_adv_packet->client);
+ batadv_dbg(DBG_TT, bat_priv,
+ "Received ROAMING_ADV from %pM (client %pM)\n",
+ roam_adv_packet->src, roam_adv_packet->client);
- tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
- atomic_read(&orig_node->last_ttvn) + 1, true, false);
+ batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
+ atomic_read(&orig_node->last_ttvn) + 1, true,
+ false);
/* Roaming phase starts: I have new information but the ttvn has not
* been incremented yet. This flag will make me check all the incoming
- * packets for the correct destination. */
+ * packets for the correct destination.
+ */
bat_priv->tt_poss_change = true;
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
out:
/* returning NET_RX_DROP will make the caller function kfree the skb */
return NET_RX_DROP;
@@@ -714,29 -699,26 +714,29 @@@
/* find a suitable router for this originator, and use
* bonding if possible. increases the found neighbors
- * refcount.*/
-struct neigh_node *find_router(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- const struct hard_iface *recv_if)
+ * refcount.
+ */
+struct neigh_node *batadv_find_router(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ const struct hard_iface *recv_if)
{
struct orig_node *primary_orig_node;
struct orig_node *router_orig;
struct neigh_node *router;
static uint8_t zero_mac[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
int bonding_enabled;
+ uint8_t *primary_addr;
if (!orig_node)
return NULL;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto err;
/* without bonding, the first node should
- * always choose the default router. */
+ * always choose the default router.
+ */
bonding_enabled = atomic_read(&bat_priv->bonding);
rcu_read_lock();
@@@ -748,44 -730,40 +748,44 @@@
if ((!recv_if) && (!bonding_enabled))
goto return_router;
+ primary_addr = router_orig->primary_addr;
+
/* if we have something in the primary_addr, we can search
- * for a potential bonding candidate. */
- if (compare_eth(router_orig->primary_addr, zero_mac))
+ * for a potential bonding candidate.
+ */
+ if (batadv_compare_eth(primary_addr, zero_mac))
goto return_router;
/* find the orig_node which has the primary interface. might
- * even be the same as our router_orig in many cases */
-
- if (compare_eth(router_orig->primary_addr, router_orig->orig)) {
+ * even be the same as our router_orig in many cases
+ */
+ if (batadv_compare_eth(primary_addr, router_orig->orig)) {
primary_orig_node = router_orig;
} else {
- primary_orig_node = orig_hash_find(bat_priv,
- router_orig->primary_addr);
+ primary_orig_node = batadv_orig_hash_find(bat_priv,
+ primary_addr);
if (!primary_orig_node)
goto return_router;
- orig_node_free_ref(primary_orig_node);
+ batadv_orig_node_free_ref(primary_orig_node);
}
/* with less than 2 candidates, we can't do any
- * bonding and prefer the original router. */
+ * bonding and prefer the original router.
+ */
if (atomic_read(&primary_orig_node->bond_candidates) < 2)
goto return_router;
/* all nodes between should choose a candidate which
* is is not on the interface where the packet came
- * in. */
-
- neigh_node_free_ref(router);
+ * in.
+ */
+ batadv_neigh_node_free_ref(router);
if (bonding_enabled)
- router = find_bond_router(primary_orig_node, recv_if);
+ router = batadv_find_bond_router(primary_orig_node, recv_if);
else
- router = find_ifalter_router(primary_orig_node, recv_if);
+ router = batadv_find_ifalter_router(primary_orig_node, recv_if);
return_router:
if (router && router->if_incoming->if_status != IF_ACTIVE)
@@@ -797,11 -775,11 +797,11 @@@ err_unlock
rcu_read_unlock();
err:
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
return NULL;
}
-static int check_unicast_packet(struct sk_buff *skb, int hdr_size)
+static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
{
struct ethhdr *ethhdr;
@@@ -820,14 -798,13 +820,14 @@@
return -1;
/* not for me */
- if (!is_my_mac(ethhdr->h_dest))
+ if (!batadv_is_my_mac(ethhdr->h_dest))
return -1;
return 0;
}
-static int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+static int batadv_route_unicast_packet(struct sk_buff *skb,
+ struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
@@@ -847,13 -824,13 +847,13 @@@
}
/* get routing information */
- orig_node = orig_hash_find(bat_priv, unicast_packet->dest);
+ orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->dest);
if (!orig_node)
goto out;
/* find_router() increases neigh_nodes refcount if found. */
- neigh_node = find_router(bat_priv, orig_node, recv_if);
+ neigh_node = batadv_find_router(bat_priv, orig_node, recv_if);
if (!neigh_node)
goto out;
@@@ -867,17 -844,15 +867,17 @@@
if (unicast_packet->header.packet_type == BAT_UNICAST &&
atomic_read(&bat_priv->fragmentation) &&
skb->len > neigh_node->if_incoming->net_dev->mtu) {
- ret = frag_send_skb(skb, bat_priv,
- neigh_node->if_incoming, neigh_node->addr);
+ ret = batadv_frag_send_skb(skb, bat_priv,
+ neigh_node->if_incoming,
+ neigh_node->addr);
goto out;
}
if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG &&
- frag_can_reassemble(skb, neigh_node->if_incoming->net_dev->mtu)) {
+ batadv_frag_can_reassemble(skb,
+ neigh_node->if_incoming->net_dev->mtu)) {
- ret = frag_reassemble_skb(skb, bat_priv, &new_skb);
+ ret = batadv_frag_reassemble_skb(skb, bat_priv, &new_skb);
if (ret == NET_RX_DROP)
goto out;
@@@ -895,32 -870,26 +895,32 @@@
/* decrement ttl */
unicast_packet->header.ttl--;
+ /* Update stats counter */
+ batadv_inc_counter(bat_priv, BAT_CNT_FORWARD);
+ batadv_add_counter(bat_priv, BAT_CNT_FORWARD_BYTES,
+ skb->len + ETH_HLEN);
+
/* route it */
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = NET_RX_SUCCESS;
out:
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 ret;
}
-static int check_unicast_ttvn(struct bat_priv *bat_priv,
- struct sk_buff *skb) {
+static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
+ struct sk_buff *skb) {
uint8_t curr_ttvn;
struct orig_node *orig_node;
struct ethhdr *ethhdr;
struct hard_iface *primary_if;
struct unicast_packet *unicast_packet;
bool tt_poss_change;
+ int is_old_ttvn;
/* I could need to modify it */
if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
@@@ -928,24 -897,22 +928,24 @@@
unicast_packet = (struct unicast_packet *)skb->data;
- if (is_my_mac(unicast_packet->dest)) {
+ if (batadv_is_my_mac(unicast_packet->dest)) {
tt_poss_change = bat_priv->tt_poss_change;
curr_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
} else {
- orig_node = orig_hash_find(bat_priv, unicast_packet->dest);
+ orig_node = batadv_orig_hash_find(bat_priv,
+ unicast_packet->dest);
if (!orig_node)
return 0;
curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
tt_poss_change = orig_node->tt_poss_change;
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
}
/* Check whether I have to reroute the packet */
- if (seq_before(unicast_packet->ttvn, curr_ttvn) || tt_poss_change) {
+ is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
+ if (is_old_ttvn || tt_poss_change) {
/* check if there is enough data before accessing it */
if (pskb_may_pull(skb, sizeof(struct unicast_packet) +
ETH_HLEN) < 0)
@@@ -957,70 -924,62 +957,66 @@@
/* we don't have an updated route for this client, so we should
* not try to reroute the packet!!
*/
- if (tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
+ if (batadv_tt_global_client_is_roaming(bat_priv,
+ ethhdr->h_dest))
return 1;
- orig_node = transtable_search(bat_priv, NULL, ethhdr->h_dest);
+ orig_node = batadv_transtable_search(bat_priv, NULL,
+ ethhdr->h_dest);
if (!orig_node) {
- if (!is_my_client(bat_priv, ethhdr->h_dest))
+ if (!batadv_is_my_client(bat_priv, ethhdr->h_dest))
return 0;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
return 0;
memcpy(unicast_packet->dest,
primary_if->net_dev->dev_addr, ETH_ALEN);
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
} else {
memcpy(unicast_packet->dest, orig_node->orig,
ETH_ALEN);
curr_ttvn = (uint8_t)
atomic_read(&orig_node->last_ttvn);
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
}
- bat_dbg(DBG_ROUTES, bat_priv,
- "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to
%pM\n",
- unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest,
- unicast_packet->dest);
+ batadv_dbg(DBG_ROUTES, bat_priv,
+ "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM)
to %pM\n",
+ unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest,
+ unicast_packet->dest);
unicast_packet->ttvn = curr_ttvn;
}
return 1;
}
-int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
- unicast_packet = (struct unicast_packet *)skb->data;
-
- /* the caller function should have already pulled 2 bytes */
- if (unicast_packet->header.packet_type == BAT_UNICAST_4ADDR)
- hdr_size = sizeof(struct unicast_4addr_packet);
-
- if (check_unicast_packet(skb, hdr_size) < 0)
+ if (batadv_check_unicast_packet(skb, hdr_size) < 0)
return NET_RX_DROP;
- if (!check_unicast_ttvn(bat_priv, skb))
+ if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
+ unicast_packet = (struct unicast_packet *)skb->data;
+
/* packet for me */
- if (is_my_mac(unicast_packet->dest)) {
- interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+ if (batadv_is_my_mac(unicast_packet->dest)) {
+ batadv_interface_rx(recv_if->soft_iface, skb, recv_if,
+ hdr_size);
return NET_RX_SUCCESS;
}
- return route_unicast_packet(skb, recv_if);
+ return batadv_route_unicast_packet(skb, recv_if);
}
-int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
+ struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet;
@@@ -1028,18 -987,18 +1024,18 @@@
struct sk_buff *new_skb = NULL;
int ret;
- if (check_unicast_packet(skb, hdr_size) < 0)
+ if (batadv_check_unicast_packet(skb, hdr_size) < 0)
return NET_RX_DROP;
- if (!check_unicast_ttvn(bat_priv, skb))
+ if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
unicast_packet = (struct unicast_frag_packet *)skb->data;
/* packet for me */
- if (is_my_mac(unicast_packet->dest)) {
+ if (batadv_is_my_mac(unicast_packet->dest)) {
- ret = frag_reassemble_skb(skb, bat_priv, &new_skb);
+ ret = batadv_frag_reassemble_skb(skb, bat_priv, &new_skb);
if (ret == NET_RX_DROP)
return NET_RX_DROP;
@@@ -1048,16 -1007,16 +1044,16 @@@
if (!new_skb)
return NET_RX_SUCCESS;
- interface_rx(recv_if->soft_iface, new_skb, recv_if,
- sizeof(struct unicast_packet));
+ batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
+ sizeof(struct unicast_packet));
return NET_RX_SUCCESS;
}
- return route_unicast_packet(skb, recv_if);
+ return batadv_route_unicast_packet(skb, recv_if);
}
-int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
@@@ -1082,19 -1041,19 +1078,19 @@@
goto out;
/* ignore broadcasts sent by myself */
- if (is_my_mac(ethhdr->h_source))
+ if (batadv_is_my_mac(ethhdr->h_source))
goto out;
bcast_packet = (struct bcast_packet *)skb->data;
/* ignore broadcasts originated by myself */
- if (is_my_mac(bcast_packet->orig))
+ if (batadv_is_my_mac(bcast_packet->orig))
goto out;
if (bcast_packet->header.ttl < 2)
goto out;
- orig_node = orig_hash_find(bat_priv, bcast_packet->orig);
+ orig_node = batadv_orig_hash_find(bat_priv, bcast_packet->orig);
if (!orig_node)
goto out;
@@@ -1102,40 -1061,39 +1098,40 @@@
spin_lock_bh(&orig_node->bcast_seqno_lock);
/* check whether the packet is a duplicate */
- if (bat_test_bit(orig_node->bcast_bits, orig_node->last_bcast_seqno,
- ntohl(bcast_packet->seqno)))
+ if (batadv_test_bit(orig_node->bcast_bits, orig_node->last_bcast_seqno,
+ ntohl(bcast_packet->seqno)))
goto spin_unlock;
seq_diff = ntohl(bcast_packet->seqno) - orig_node->last_bcast_seqno;
/* check whether the packet is old and the host just restarted. */
- if (window_protected(bat_priv, seq_diff,
- &orig_node->bcast_seqno_reset))
+ if (batadv_window_protected(bat_priv, seq_diff,
+ &orig_node->bcast_seqno_reset))
goto spin_unlock;
/* mark broadcast in flood history, update window position
- * if required. */
- if (bit_get_packet(bat_priv, orig_node->bcast_bits, seq_diff, 1))
+ * if required.
+ */
+ if (batadv_bit_get_packet(bat_priv, orig_node->bcast_bits, seq_diff, 1))
orig_node->last_bcast_seqno = ntohl(bcast_packet->seqno);
spin_unlock_bh(&orig_node->bcast_seqno_lock);
/* check whether this has been sent by another originator before */
- if (bla_check_bcast_duplist(bat_priv, bcast_packet, hdr_size))
+ if (batadv_bla_check_bcast_duplist(bat_priv, bcast_packet, hdr_size))
goto out;
/* rebroadcast packet */
- add_bcast_packet_to_list(bat_priv, skb, 1);
+ batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
/* don't hand the broadcast up if it is from an originator
* from the same backbone.
*/
- if (bla_is_backbone_gw(skb, orig_node, hdr_size))
+ if (batadv_bla_is_backbone_gw(skb, orig_node, hdr_size))
goto out;
/* broadcast for me */
- interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+ batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
ret = NET_RX_SUCCESS;
goto out;
@@@ -1143,11 -1101,11 +1139,11 @@@ spin_unlock
spin_unlock_bh(&orig_node->bcast_seqno_lock);
out:
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
-int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct vis_packet *vis_packet;
struct ethhdr *ethhdr;
@@@ -1165,25 -1123,25 +1161,25 @@@
ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* not for me */
- if (!is_my_mac(ethhdr->h_dest))
+ if (!batadv_is_my_mac(ethhdr->h_dest))
return NET_RX_DROP;
/* ignore own packets */
- if (is_my_mac(vis_packet->vis_orig))
+ if (batadv_is_my_mac(vis_packet->vis_orig))
return NET_RX_DROP;
- if (is_my_mac(vis_packet->sender_orig))
+ if (batadv_is_my_mac(vis_packet->sender_orig))
return NET_RX_DROP;
switch (vis_packet->vis_type) {
case VIS_TYPE_SERVER_SYNC:
- receive_server_sync_packet(bat_priv, vis_packet,
- skb_headlen(skb));
+ batadv_receive_server_sync_packet(bat_priv, vis_packet,
+ skb_headlen(skb));
break;
case VIS_TYPE_CLIENT_UPDATE:
- receive_client_update_packet(bat_priv, vis_packet,
- skb_headlen(skb));
+ batadv_receive_client_update_packet(bat_priv, vis_packet,
+ skb_headlen(skb));
break;
default: /* ignore unknown packet */
@@@ -1191,7 -1149,6 +1187,7 @@@
}
/* We take a copy of the data in the packet, so we should
- always free the skbuf. */
+ * always free the skbuf.
+ */
return NET_RX_DROP;
}
diff --combined send.c
index d38fe2a,f47299f..3d725e0
--- a/send.c
+++ b/send.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,10 -16,10 +15,9 @@@
* 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 "distributed-arp-table.h"
#include "send.h"
#include "routing.h"
#include "translation-table.h"
@@@ -28,13 -29,12 +27,13 @@@
#include "gateway_common.h"
#include "originator.h"
-static void send_outstanding_bcast_packet(struct work_struct *work);
+static void batadv_send_outstanding_bcast_packet(struct work_struct *work);
/* send out an already prepared packet to the given address via the
- * specified batman interface */
-int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
- const uint8_t *dst_addr)
+ * specified batman interface
+ */
+int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
+ const uint8_t *dst_addr)
{
struct ethhdr *ethhdr;
@@@ -51,7 -51,7 +50,7 @@@
}
/* push to the ethernet header. */
- if (my_skb_head_push(skb, ETH_HLEN) < 0)
+ if (batadv_skb_head_push(skb, ETH_HLEN) < 0)
goto send_skb_err;
skb_reset_mac_header(skb);
@@@ -69,23 -69,77 +68,23 @@@
/* dev_queue_xmit() returns a negative result on error. However on
* congestion and traffic shaping, it drops and returns NET_XMIT_DROP
- * (which is > 0). This will not be treated as an error. */
-
+ * (which is > 0). This will not be treated as an error.
+ */
return dev_queue_xmit(skb);
send_skb_err:
kfree_skb(skb);
return NET_XMIT_DROP;
}
-static void realloc_packet_buffer(struct hard_iface *hard_iface,
- int new_len)
-{
- unsigned char *new_buff;
-
- new_buff = kmalloc(new_len, GFP_ATOMIC);
-
- /* keep old buffer if kmalloc should fail */
- if (new_buff) {
- memcpy(new_buff, hard_iface->packet_buff,
- BATMAN_OGM_HLEN);
-
- kfree(hard_iface->packet_buff);
- hard_iface->packet_buff = new_buff;
- hard_iface->packet_len = new_len;
- }
-}
-
-/* when calling this function (hard_iface == primary_if) has to be true */
-static int prepare_packet_buffer(struct bat_priv *bat_priv,
- struct hard_iface *hard_iface)
-{
- int new_len;
-
- new_len = BATMAN_OGM_HLEN +
- tt_len((uint8_t)atomic_read(&bat_priv->tt_local_changes));
-
- /* if we have too many changes for one packet don't send any
- * and wait for the tt table request which will be fragmented */
- if (new_len > hard_iface->soft_iface->mtu)
- new_len = BATMAN_OGM_HLEN;
-
- realloc_packet_buffer(hard_iface, new_len);
-
- atomic_set(&bat_priv->tt_crc, tt_local_crc(bat_priv));
-
- /* reset the sending counter */
- atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX);
-
- return tt_changes_fill_buffer(bat_priv,
- hard_iface->packet_buff + BATMAN_OGM_HLEN,
- hard_iface->packet_len - BATMAN_OGM_HLEN);
-}
-
-static int reset_packet_buffer(struct bat_priv *bat_priv,
- struct hard_iface *hard_iface)
-{
- realloc_packet_buffer(hard_iface, BATMAN_OGM_HLEN);
- return 0;
-}
-
-void schedule_bat_ogm(struct hard_iface *hard_iface)
+void batadv_schedule_bat_ogm(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- struct hard_iface *primary_if;
- int tt_num_changes = -1;
if ((hard_iface->if_status == IF_NOT_IN_USE) ||
(hard_iface->if_status == IF_TO_BE_REMOVED))
return;
- /**
- * the interface gets activated here to avoid race conditions between
+ /* the interface gets activated here to avoid race conditions between
* the moment of activating the interface in
* hardif_activate_interface() where the originator mac is set and
* outdated packets (especially uninitialized mac addresses) in the
@@@ -94,21 -148,40 +93,21 @@@
if (hard_iface->if_status == IF_TO_BE_ACTIVATED)
hard_iface->if_status = IF_ACTIVE;
- primary_if = primary_if_get_selected(bat_priv);
-
- if (hard_iface == primary_if) {
- /* if at least one change happened */
- if (atomic_read(&bat_priv->tt_local_changes) > 0) {
- tt_commit_changes(bat_priv);
- tt_num_changes = prepare_packet_buffer(bat_priv,
- hard_iface);
- }
-
- /* if the changes have been sent often enough */
- if (!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))
- tt_num_changes = reset_packet_buffer(bat_priv,
- hard_iface);
- }
-
- if (primary_if)
- hardif_free_ref(primary_if);
-
- bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface, tt_num_changes);
+ bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface);
}
-static void forw_packet_free(struct forw_packet *forw_packet)
+static void batadv_forw_packet_free(struct forw_packet *forw_packet)
{
if (forw_packet->skb)
kfree_skb(forw_packet->skb);
if (forw_packet->if_incoming)
- hardif_free_ref(forw_packet->if_incoming);
+ batadv_hardif_free_ref(forw_packet->if_incoming);
kfree(forw_packet);
}
-static void _add_bcast_packet_to_list(struct bat_priv *bat_priv,
- struct forw_packet *forw_packet,
- unsigned long send_time)
+static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
+ struct forw_packet *forw_packet,
+ unsigned long send_time)
{
INIT_HLIST_NODE(&forw_packet->list);
@@@ -119,8 -192,8 +118,8 @@@
/* start timer for this packet */
INIT_DELAYED_WORK(&forw_packet->delayed_work,
- send_outstanding_bcast_packet);
- queue_delayed_work(bat_event_workqueue, &forw_packet->delayed_work,
+ batadv_send_outstanding_bcast_packet);
+ queue_delayed_work(batadv_event_workqueue, &forw_packet->delayed_work,
send_time);
}
@@@ -131,23 -204,21 +130,23 @@@
* errors.
*
* The skb is not consumed, so the caller should make sure that the
- * skb is freed. */
-int add_bcast_packet_to_list(struct bat_priv *bat_priv,
- const struct sk_buff *skb, unsigned long delay)
+ * skb is freed.
+ */
+int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
+ const struct sk_buff *skb,
+ unsigned long delay)
{
struct hard_iface *primary_if = NULL;
struct forw_packet *forw_packet;
struct bcast_packet *bcast_packet;
struct sk_buff *newskb;
- if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
- bat_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
+ if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
+ batadv_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
goto out;
}
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out_and_inc;
@@@ -172,7 -243,7 +171,7 @@@
/* how often did we send the bcast packet ? */
forw_packet->num_packets = 0;
- _add_bcast_packet_to_list(bat_priv, forw_packet, delay);
+ _batadv_add_bcast_packet_to_list(bat_priv, forw_packet, delay);
return NETDEV_TX_OK;
packet_free:
@@@ -181,11 -252,11 +180,11 @@@ out_and_inc
atomic_inc(&bat_priv->bcast_queue_left);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return NETDEV_TX_BUSY;
}
-static void send_outstanding_bcast_packet(struct work_struct *work)
+static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
{
struct hard_iface *hard_iface;
struct delayed_work *delayed_work =
@@@ -203,20 -274,16 +202,17 @@@
if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING)
goto out;
- if (batadv_dat_drop_broadcast_packet(bat_priv, forw_packet))
- goto out;
-
/* rebroadcast packet */
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface != soft_iface)
continue;
/* send a copy of the saved skb */
skb1 = skb_clone(forw_packet->skb, GFP_ATOMIC);
if (skb1)
- send_skb_packet(skb1, hard_iface, broadcast_addr);
+ batadv_send_skb_packet(skb1, hard_iface,
+ batadv_broadcast_addr);
}
rcu_read_unlock();
@@@ -224,17 -291,17 +220,17 @@@
/* if we still have some more bcasts to send */
if (forw_packet->num_packets < 3) {
- _add_bcast_packet_to_list(bat_priv, forw_packet,
- msecs_to_jiffies(5));
+ _batadv_add_bcast_packet_to_list(bat_priv, forw_packet,
+ msecs_to_jiffies(5));
return;
}
out:
- forw_packet_free(forw_packet);
+ batadv_forw_packet_free(forw_packet);
atomic_inc(&bat_priv->bcast_queue_left);
}
-void send_outstanding_bat_ogm_packet(struct work_struct *work)
+void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work)
{
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
@@@ -252,42 -319,44 +248,42 @@@
bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet);
- /**
- * we have to have at least one packet in the queue
+ /* we have to have at least one packet in the queue
* to determine the queues wake up time unless we are
* shutting down
*/
if (forw_packet->own)
- schedule_bat_ogm(forw_packet->if_incoming);
+ batadv_schedule_bat_ogm(forw_packet->if_incoming);
out:
/* don't count own packet */
if (!forw_packet->own)
atomic_inc(&bat_priv->batman_queue_left);
- forw_packet_free(forw_packet);
+ batadv_forw_packet_free(forw_packet);
}
-void purge_outstanding_packets(struct bat_priv *bat_priv,
- const struct hard_iface *hard_iface)
+void batadv_purge_outstanding_packets(struct bat_priv *bat_priv,
+ const struct hard_iface *hard_iface)
{
struct forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node;
bool pending;
if (hard_iface)
- bat_dbg(DBG_BATMAN, bat_priv,
- "purge_outstanding_packets(): %s\n",
- hard_iface->net_dev->name);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "purge_outstanding_packets(): %s\n",
+ hard_iface->net_dev->name);
else
- bat_dbg(DBG_BATMAN, bat_priv,
- "purge_outstanding_packets()\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "purge_outstanding_packets()\n");
/* free bcast list */
spin_lock_bh(&bat_priv->forw_bcast_list_lock);
hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node,
&bat_priv->forw_bcast_list, list) {
- /**
- * if purge_outstanding_packets() was called with an argument
+ /* if purge_outstanding_packets() was called with an argument
* we delete only packets belonging to the given interface
*/
if ((hard_iface) &&
@@@ -296,7 -365,8 +292,7 @@@
spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
- /**
- * send_outstanding_bcast_packet() will lock the list to
+ /* batadv_send_outstanding_bcast_packet() will lock the list to
* delete the item from the list
*/
pending = cancel_delayed_work_sync(&forw_packet->delayed_work);
@@@ -304,7 -374,7 +300,7 @@@
if (pending) {
hlist_del(&forw_packet->list);
- forw_packet_free(forw_packet);
+ batadv_forw_packet_free(forw_packet);
}
}
spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
@@@ -314,7 -384,8 +310,7 @@@
hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node,
&bat_priv->forw_bat_list, list) {
- /**
- * if purge_outstanding_packets() was called with an argument
+ /* if purge_outstanding_packets() was called with an argument
* we delete only packets belonging to the given interface
*/
if ((hard_iface) &&
@@@ -323,7 -394,8 +319,7 @@@
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
- /**
- * send_outstanding_bat_packet() will lock the list to
+ /* send_outstanding_bat_packet() will lock the list to
* delete the item from the list
*/
pending = cancel_delayed_work_sync(&forw_packet->delayed_work);
@@@ -331,7 -403,7 +327,7 @@@
if (pending) {
hlist_del(&forw_packet->list);
- forw_packet_free(forw_packet);
+ batadv_forw_packet_free(forw_packet);
}
}
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
diff --combined soft-interface.c
index 9b4c0d0,6e2530b..2de1d74
--- a/soft-interface.c
+++ b/soft-interface.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,12 -16,12 +15,11 @@@
* 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 "soft-interface.h"
#include "hard-interface.h"
- #include "distributed-arp-table.h"
#include "routing.h"
#include "send.h"
#include "bat_debugfs.h"
@@@ -38,33 -39,27 +37,33 @@@
#include "bridge_loop_avoidance.h"
-static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd);
-static void bat_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info);
-static u32 bat_get_msglevel(struct net_device *dev);
-static void bat_set_msglevel(struct net_device *dev, u32 value);
-static u32 bat_get_link(struct net_device *dev);
-
-static const struct ethtool_ops bat_ethtool_ops = {
- .get_settings = bat_get_settings,
- .get_drvinfo = bat_get_drvinfo,
- .get_msglevel = bat_get_msglevel,
- .set_msglevel = bat_set_msglevel,
- .get_link = bat_get_link,
+static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd);
+static void batadv_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info);
+static u32 batadv_get_msglevel(struct net_device *dev);
+static void batadv_set_msglevel(struct net_device *dev, u32 value);
+static u32 batadv_get_link(struct net_device *dev);
+static void batadv_get_strings(struct net_device *dev, u32 stringset, u8 *data);
+static void batadv_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data);
+static int batadv_get_sset_count(struct net_device *dev, int stringset);
+
+static const struct ethtool_ops batadv_ethtool_ops = {
+ .get_settings = batadv_get_settings,
+ .get_drvinfo = batadv_get_drvinfo,
+ .get_msglevel = batadv_get_msglevel,
+ .set_msglevel = batadv_set_msglevel,
+ .get_link = batadv_get_link,
+ .get_strings = batadv_get_strings,
+ .get_ethtool_stats = batadv_get_ethtool_stats,
+ .get_sset_count = batadv_get_sset_count,
};
-int my_skb_head_push(struct sk_buff *skb, unsigned int len)
+int batadv_skb_head_push(struct sk_buff *skb, unsigned int len)
{
int result;
- /**
- * TODO: We must check if we can release all references to non-payload
+ /* TODO: We must check if we can release all references to non-payload
* data using skb_header_release in our skbs to allow skb_cow_header to
* work optimally. This means that those skbs are not allowed to read
* or write any data which is before the current position of skb->data
@@@ -79,25 -74,25 +78,25 @@@
return 0;
}
-static int interface_open(struct net_device *dev)
+static int batadv_interface_open(struct net_device *dev)
{
netif_start_queue(dev);
return 0;
}
-static int interface_release(struct net_device *dev)
+static int batadv_interface_release(struct net_device *dev)
{
netif_stop_queue(dev);
return 0;
}
-static struct net_device_stats *interface_stats(struct net_device *dev)
+static struct net_device_stats *batadv_interface_stats(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
return &bat_priv->stats;
}
-static int interface_set_mac_addr(struct net_device *dev, void *p)
+static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
@@@ -107,9 -102,9 +106,9 @@@
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) {
- tt_local_remove(bat_priv, dev->dev_addr,
- "mac address changed", false);
- tt_local_add(dev, addr->sa_data, NULL_IFINDEX);
+ batadv_tt_local_remove(bat_priv, dev->dev_addr,
+ "mac address changed", false);
+ batadv_tt_local_add(dev, addr->sa_data, NULL_IFINDEX);
}
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
@@@ -117,10 -112,10 +116,10 @@@
return 0;
}
-static int interface_change_mtu(struct net_device *dev, int new_mtu)
+static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu)
{
/* check ranges */
- if ((new_mtu < 68) || (new_mtu > hardif_min_mtu(dev)))
+ if ((new_mtu < 68) || (new_mtu > batadv_hardif_min_mtu(dev)))
return -EINVAL;
dev->mtu = new_mtu;
@@@ -128,8 -123,7 +127,8 @@@
return 0;
}
-static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
+static int batadv_interface_tx(struct sk_buff *skb,
+ struct net_device *soft_iface)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct bat_priv *bat_priv = netdev_priv(soft_iface);
@@@ -142,7 -136,6 +141,6 @@@
int data_len = skb->len, ret;
short vid __maybe_unused = -1;
bool do_bcast = false;
- unsigned long brd_delay = 1;
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
goto dropped;
@@@ -162,16 -155,16 +160,16 @@@
goto dropped;
}
- if (bla_tx(bat_priv, skb, vid))
+ if (batadv_bla_tx(bat_priv, skb, vid))
goto dropped;
/* Register the client MAC in the transtable */
- tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);
+ batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);
/* don't accept stp packets. STP does not help in meshes.
* better use the bridge loop avoidance ...
*/
- if (compare_eth(ethhdr->h_dest, stp_addr))
+ if (batadv_compare_eth(ethhdr->h_dest, stp_addr))
goto dropped;
if (is_multicast_ether_addr(ethhdr->h_dest)) {
@@@ -180,17 -173,15 +178,17 @@@
switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_SERVER:
/* gateway servers should not send dhcp
- * requests into the mesh */
- ret = gw_is_dhcp_target(skb, &header_len);
+ * requests into the mesh
+ */
+ ret = batadv_gw_is_dhcp_target(skb, &header_len);
if (ret)
goto dropped;
break;
case GW_MODE_CLIENT:
/* gateway clients should send dhcp requests
- * via unicast to their gateway */
- ret = gw_is_dhcp_target(skb, &header_len);
+ * via unicast to their gateway
+ */
+ ret = batadv_gw_is_dhcp_target(skb, &header_len);
if (ret)
do_bcast = false;
break;
@@@ -202,14 -193,11 +200,11 @@@
/* ethernet packet should be broadcasted */
if (do_bcast) {
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto dropped;
- if (batadv_dat_snoop_outgoing_arp_request(bat_priv, skb))
- brd_delay = msecs_to_jiffies(ARP_REQ_DELAY);
-
- if (my_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
+ if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
goto dropped;
bcast_packet = (struct bcast_packet *)skb->data;
@@@ -220,8 -208,7 +215,8 @@@
bcast_packet->header.packet_type = BAT_BCAST;
/* hw address of first interface is the orig mac because only
- * this mac is known throughout the mesh */
+ * this mac is known throughout the mesh
+ */
memcpy(bcast_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
@@@ -229,24 -216,21 +224,22 @@@
bcast_packet->seqno =
htonl(atomic_inc_return(&bat_priv->bcast_seqno));
- batadv_add_bcast_packet_to_list(bat_priv, skb, brd_delay);
- add_bcast_packet_to_list(bat_priv, skb, 1);
++ batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
/* a copy is stored in the bcast list, therefore removing
- * the original skb. */
+ * the original skb.
+ */
kfree_skb(skb);
/* unicast packet */
} else {
if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) {
- ret = gw_out_of_range(bat_priv, skb, ethhdr);
+ ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr);
if (ret)
goto dropped;
}
- batadv_dat_snoop_outgoing_arp_reply(bat_priv, skb);
-
- ret = unicast_send_skb(skb, bat_priv);
+ ret = batadv_unicast_send_skb(skb, bat_priv);
if (ret != 0)
goto dropped_freed;
}
@@@ -261,13 -245,13 +254,13 @@@ dropped_freed
bat_priv->stats.tx_dropped++;
end:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return NETDEV_TX_OK;
}
-void interface_rx(struct net_device *soft_iface,
- struct sk_buff *skb, struct hard_iface *recv_if,
- int hdr_size)
+void batadv_interface_rx(struct net_device *soft_iface,
+ struct sk_buff *skb, struct hard_iface *recv_if,
+ int hdr_size)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct ethhdr *ethhdr;
@@@ -278,12 -262,6 +271,6 @@@
if (!pskb_may_pull(skb, hdr_size))
goto dropped;
- if (batadv_dat_snoop_incoming_arp_request(bat_priv, skb, hdr_size))
- goto out;
-
- if (batadv_dat_snoop_incoming_arp_reply(bat_priv, skb, hdr_size))
- goto out;
-
skb_pull_rcsum(skb, hdr_size);
skb_reset_mac_header(skb);
@@@ -309,23 -287,22 +296,23 @@@
/* should not be necessary anymore as we use skb_pull_rcsum()
* TODO: please verify this and remove this TODO
- * -- Dec 21st 2009, Simon Wunderlich */
+ * -- Dec 21st 2009, Simon Wunderlich
+ */
-/* skb->ip_summed = CHECKSUM_UNNECESSARY;*/
+ /* skb->ip_summed = CHECKSUM_UNNECESSARY; */
bat_priv->stats.rx_packets++;
bat_priv->stats.rx_bytes += skb->len + ETH_HLEN;
soft_iface->last_rx = jiffies;
- if (is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
+ if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
goto dropped;
/* Let the bridge loop avoidance check the packet. If will
* not handle it, we can safely push it up.
*/
- if (bla_rx(bat_priv, skb, vid))
+ if (batadv_bla_rx(bat_priv, skb, vid))
goto out;
netif_rx(skb);
@@@ -337,27 -314,28 +324,27 @@@ out
return;
}
-static const struct net_device_ops bat_netdev_ops = {
- .ndo_open = interface_open,
- .ndo_stop = interface_release,
- .ndo_get_stats = interface_stats,
- .ndo_set_mac_address = interface_set_mac_addr,
- .ndo_change_mtu = interface_change_mtu,
- .ndo_start_xmit = interface_tx,
+static const struct net_device_ops batadv_netdev_ops = {
+ .ndo_open = batadv_interface_open,
+ .ndo_stop = batadv_interface_release,
+ .ndo_get_stats = batadv_interface_stats,
+ .ndo_set_mac_address = batadv_interface_set_mac_addr,
+ .ndo_change_mtu = batadv_interface_change_mtu,
+ .ndo_start_xmit = batadv_interface_tx,
.ndo_validate_addr = eth_validate_addr
};
-static void interface_setup(struct net_device *dev)
+static void batadv_interface_setup(struct net_device *dev)
{
struct bat_priv *priv = netdev_priv(dev);
ether_setup(dev);
- dev->netdev_ops = &bat_netdev_ops;
+ dev->netdev_ops = &batadv_netdev_ops;
dev->destructor = free_netdev;
dev->tx_queue_len = 0;
- /**
- * can't call min_mtu, because the needed variables
+ /* can't call min_mtu, because the needed variables
* have not been initialized yet
*/
dev->mtu = ETH_DATA_LEN;
@@@ -367,19 -345,18 +354,19 @@@
/* generate random address */
eth_hw_addr_random(dev);
- SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);
+ SET_ETHTOOL_OPS(dev, &batadv_ethtool_ops);
memset(priv, 0, sizeof(*priv));
}
-struct net_device *softif_create(const char *name)
+struct net_device *batadv_softif_create(const char *name)
{
struct net_device *soft_iface;
struct bat_priv *bat_priv;
int ret;
- soft_iface = alloc_netdev(sizeof(*bat_priv), name, interface_setup);
+ soft_iface = alloc_netdev(sizeof(*bat_priv), name,
+ batadv_interface_setup);
if (!soft_iface)
goto out;
@@@ -391,8 -368,6 +378,6 @@@
goto free_soft_iface;
}
- batadv_arp_change_timeout(soft_iface, name);
-
bat_priv = netdev_priv(soft_iface);
atomic_set(&bat_priv->aggregated_ogms, 1);
@@@ -424,35 -399,28 +409,35 @@@
bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0;
- ret = bat_algo_select(bat_priv, bat_routing_algo);
- if (ret < 0)
+ bat_priv->bat_counters = __alloc_percpu(sizeof(uint64_t) * BAT_CNT_NUM,
+ __alignof__(uint64_t));
+ if (!bat_priv->bat_counters)
goto unreg_soft_iface;
- ret = sysfs_add_meshif(soft_iface);
+ ret = batadv_algo_select(bat_priv, batadv_routing_algo);
if (ret < 0)
- goto unreg_soft_iface;
+ goto free_bat_counters;
+
+ ret = batadv_sysfs_add_meshif(soft_iface);
+ if (ret < 0)
+ goto free_bat_counters;
- ret = debugfs_add_meshif(soft_iface);
+ ret = batadv_debugfs_add_meshif(soft_iface);
if (ret < 0)
goto unreg_sysfs;
- ret = mesh_init(soft_iface);
+ ret = batadv_mesh_init(soft_iface);
if (ret < 0)
goto unreg_debugfs;
return soft_iface;
unreg_debugfs:
- debugfs_del_meshif(soft_iface);
+ batadv_debugfs_del_meshif(soft_iface);
unreg_sysfs:
- sysfs_del_meshif(soft_iface);
+ batadv_sysfs_del_meshif(soft_iface);
+free_bat_counters:
+ free_percpu(bat_priv->bat_counters);
unreg_soft_iface:
unregister_netdevice(soft_iface);
return NULL;
@@@ -463,24 -431,24 +448,24 @@@ out
return NULL;
}
-void softif_destroy(struct net_device *soft_iface)
+void batadv_softif_destroy(struct net_device *soft_iface)
{
- debugfs_del_meshif(soft_iface);
- sysfs_del_meshif(soft_iface);
- mesh_free(soft_iface);
+ batadv_debugfs_del_meshif(soft_iface);
+ batadv_sysfs_del_meshif(soft_iface);
+ batadv_mesh_free(soft_iface);
unregister_netdevice(soft_iface);
}
-int softif_is_valid(const struct net_device *net_dev)
+int batadv_softif_is_valid(const struct net_device *net_dev)
{
- if (net_dev->netdev_ops->ndo_start_xmit == interface_tx)
+ if (net_dev->netdev_ops->ndo_start_xmit == batadv_interface_tx)
return 1;
return 0;
}
/* ethtool */
-static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
cmd->supported = 0;
cmd->advertising = 0;
@@@ -496,8 -464,8 +481,8 @@@
return 0;
}
-static void bat_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
+static void batadv_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
{
strcpy(info->driver, "B.A.T.M.A.N. advanced");
strcpy(info->version, SOURCE_VERSION);
@@@ -505,70 -473,16 +490,64 @@@
strcpy(info->bus_info, "batman");
}
-static u32 bat_get_msglevel(struct net_device *dev)
+static u32 batadv_get_msglevel(struct net_device *dev)
{
return -EOPNOTSUPP;
}
-static void bat_set_msglevel(struct net_device *dev, u32 value)
+static void batadv_set_msglevel(struct net_device *dev, u32 value)
{
}
-static u32 bat_get_link(struct net_device *dev)
+static u32 batadv_get_link(struct net_device *dev)
{
return 1;
}
+
+/* Inspired by drivers/net/ethernet/dlink/sundance.c:1702
+ * Declare each description string in struct.name[] to get fixed sized buffer
+ * and compile time checking for strings longer than ETH_GSTRING_LEN.
+ */
+static const struct {
+ const char name[ETH_GSTRING_LEN];
+} batadv_counters_strings[] = {
+ { "forward" },
+ { "forward_bytes" },
+ { "mgmt_tx" },
+ { "mgmt_tx_bytes" },
+ { "mgmt_rx" },
+ { "mgmt_rx_bytes" },
+ { "tt_request_tx" },
+ { "tt_request_rx" },
+ { "tt_response_tx" },
+ { "tt_response_rx" },
+ { "tt_roam_adv_tx" },
+ { "tt_roam_adv_rx" },
- #ifdef CONFIG_BATMAN_ADV_DAT
- { "dat_request_tx" },
- { "dat_request_rx" },
- { "dat_reply_tx" },
- { "dat_reply_rx" },
- #endif
+};
+
+static void batadv_get_strings(struct net_device *dev, uint32_t stringset,
+ uint8_t *data)
+{
+ if (stringset == ETH_SS_STATS)
+ memcpy(data, batadv_counters_strings,
+ sizeof(batadv_counters_strings));
+}
+
+static void batadv_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats,
+ uint64_t *data)
+{
+ struct bat_priv *bat_priv = netdev_priv(dev);
+ int i;
+
+ for (i = 0; i < BAT_CNT_NUM; i++)
+ data[i] = batadv_sum_counter(bat_priv, i);
+}
+
+static int batadv_get_sset_count(struct net_device *dev, int stringset)
+{
+ if (stringset == ETH_SS_STATS)
+ return BAT_CNT_NUM;
+
+ return -EOPNOTSUPP;
+}
diff --combined types.h
index 73aaef9,61308e8..053c5d4
--- a/types.h
+++ b/types.h
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@@ -15,25 -16,17 +15,14 @@@
* 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_TYPES_H_
#define _NET_BATMAN_ADV_TYPES_H_
#include "packet.h"
#include "bitarray.h"
- #ifdef CONFIG_BATMAN_ADV_DAT
-
- /* dat_addr_t is the type used for all DHT addresses. If it is changed,
- * DAT_ADDR_MAX is changed as well.
- *
- * *Please be careful: dat_addr_t must be UNSIGNED*
- */
- typedef uint16_t dat_addr_t;
-
- #endif /* CONFIG_BATMAN_ADV_DAT */
-
#define BAT_HEADER_LEN (ETH_HLEN + \
((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \
sizeof(struct unicast_packet) : \
@@@ -56,7 -49,8 +45,7 @@@ struct hard_iface
struct rcu_head rcu;
};
-/**
- * orig_node - structure for orig_list maintaining nodes of mesh
+/* orig_node - structure for orig_list maintaining nodes of mesh
* @primary_addr: hosts primary interface address
* @last_seen: when last packet from this node was received
* @bcast_seqno_reset: time when the broadcast seqno window was reset
@@@ -73,9 -67,6 +62,6 @@@
struct orig_node {
uint8_t orig[ETH_ALEN];
uint8_t primary_addr[ETH_ALEN];
- #ifdef CONFIG_BATMAN_ADV_DAT
- dat_addr_t dht_addr;
- #endif
struct neigh_node __rcu *router; /* rcu protected pointer */
unsigned long *bcast_own;
uint8_t *bcast_own_sum;
@@@ -95,8 -86,7 +81,8 @@@
* If true, then I sent a Roaming_adv to this orig_node and I have to
* inspect every packet directed to it to check whether it is still
* the true destination or not. This flag will be reset to false as
- * soon as I receive a new TTVN from this orig_node */
+ * soon as I receive a new TTVN from this orig_node
+ */
bool tt_poss_change;
uint32_t last_real_seqno;
uint8_t last_ttl;
@@@ -111,8 -101,7 +97,8 @@@
struct bat_priv *bat_priv;
unsigned long last_frag_packet;
/* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
- * neigh_node->real_bits, neigh_node->real_packet_count */
+ * neigh_node->real_bits, neigh_node->real_packet_count
+ */
spinlock_t ogm_cnt_lock;
/* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */
spinlock_t bcast_seqno_lock;
@@@ -129,7 -118,8 +115,7 @@@ struct gw_node
struct rcu_head rcu;
};
-/**
- * neigh_node
+/* neigh_node
* @last_seen: when last packet via this neighbor was received
*/
struct neigh_node {
@@@ -158,32 -148,9 +144,26 @@@ struct bcast_duplist_entry
};
#endif
+enum bat_counters {
+ BAT_CNT_FORWARD,
+ BAT_CNT_FORWARD_BYTES,
+ BAT_CNT_MGMT_TX,
+ BAT_CNT_MGMT_TX_BYTES,
+ BAT_CNT_MGMT_RX,
+ BAT_CNT_MGMT_RX_BYTES,
+ BAT_CNT_TT_REQUEST_TX,
+ BAT_CNT_TT_REQUEST_RX,
+ BAT_CNT_TT_RESPONSE_TX,
+ BAT_CNT_TT_RESPONSE_RX,
+ BAT_CNT_TT_ROAM_ADV_TX,
+ BAT_CNT_TT_ROAM_ADV_RX,
- #ifdef CONFIG_BATMAN_ADV_DAT
- BAT_CNT_DAT_REQUEST_TX,
- BAT_CNT_DAT_REQUEST_RX,
- BAT_CNT_DAT_REPLY_TX,
- BAT_CNT_DAT_REPLY_RX,
- #endif
+ BAT_CNT_NUM,
+};
+
struct bat_priv {
atomic_t mesh_state;
struct net_device_stats stats;
+ uint64_t __percpu *bat_counters; /* Per cpu counters */
atomic_t aggregated_ogms; /* boolean */
atomic_t bonding; /* boolean */
atomic_t fragmentation; /* boolean */
@@@ -207,8 -174,7 +187,8 @@@
* If true, then I received a Roaming_adv and I have to inspect every
* packet directed to me to check whether I am still the true
* destination or not. This flag will be reset to false as soon as I
- * increase my TTVN */
+ * increase my TTVN
+ */
bool tt_poss_change;
char num_ifaces;
struct debug_log *debug_log;
@@@ -244,7 -210,7 +224,7 @@@
spinlock_t vis_list_lock; /* protects vis_info::recv_list */
atomic_t num_local_tt;
/* Checksum of the local table, recomputed before sending a new OGM */
- atomic_t tt_crc;
+ uint16_t tt_crc;
unsigned char *tt_buff;
int16_t tt_buff_len;
spinlock_t tt_buff_lock; /* protects tt_buff */
@@@ -255,9 -221,6 +235,6 @@@
struct gw_node __rcu *curr_gw; /* rcu protected pointer */
atomic_t gw_reselect;
struct hard_iface __rcu *primary_if; /* rcu protected pointer */
- #ifdef CONFIG_BATMAN_ADV_DAT
- dat_addr_t dht_addr;
- #endif
struct vis_info *my_vis_info;
struct bat_algo_ops *bat_algo_ops;
};
@@@ -346,7 -309,8 +323,7 @@@ struct tt_roam_node
struct list_head list;
};
-/**
- * forw_packet - structure for forw_list maintaining packets to be
+/* forw_packet - structure for forw_list maintaining packets to be
* send/forwarded
*/
struct forw_packet {
@@@ -388,8 -352,7 +365,8 @@@ struct frag_packet_list_entry
struct vis_info {
unsigned long first_seen;
/* list of server-neighbors we received a vis-packet
- * from. we should not reply to them. */
+ * from. we should not reply to them.
+ */
struct list_head recv_list;
struct list_head send_list;
struct kref refcount;
@@@ -397,7 -360,7 +374,7 @@@
struct bat_priv *bat_priv;
/* this packet might be part of the vis send queue. */
struct sk_buff *skb_packet;
- /* vis_info may follow here*/
+ /* vis_info may follow here */
} __packed;
struct vis_info_entry {
@@@ -425,14 -388,10 +402,9 @@@ struct bat_algo_ops
/* called when primary interface is selected / changed */
void (*bat_primary_iface_set)(struct hard_iface *hard_iface);
/* prepare a new outgoing OGM for the send queue */
- void (*bat_ogm_schedule)(struct hard_iface *hard_iface,
- int tt_num_changes);
+ void (*bat_ogm_schedule)(struct hard_iface *hard_iface);
/* send scheduled OGM */
void (*bat_ogm_emit)(struct forw_packet *forw_packet);
};
- struct dht_candidate {
- int type;
- struct orig_node *orig_node;
- };
-
#endif /* _NET_BATMAN_ADV_TYPES_H_ */
diff --combined unicast.c
index bc2f897,74175c2..f7a8cde
--- a/unicast.c
+++ b/unicast.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
*
* Andreas Langer
*
@@@ -15,6 -16,7 +15,6 @@@
* 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"
@@@ -29,10 -31,9 +29,10 @@@
#include "hard-interface.h"
-static struct sk_buff *frag_merge_packet(struct list_head *head,
- struct frag_packet_list_entry *tfp,
- struct sk_buff *skb)
+static struct sk_buff *
+batadv_frag_merge_packet(struct list_head *head,
+ struct frag_packet_list_entry *tfp,
+ struct sk_buff *skb)
{
struct unicast_frag_packet *up =
(struct unicast_frag_packet *)skb->data;
@@@ -76,8 -77,7 +76,8 @@@ err
return NULL;
}
-static void frag_create_entry(struct list_head *head, struct sk_buff *skb)
+static void batadv_frag_create_entry(struct list_head *head,
+ struct sk_buff *skb)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *up =
@@@ -93,7 -93,7 +93,7 @@@
return;
}
-static int frag_create_buffer(struct list_head *head)
+static int batadv_frag_create_buffer(struct list_head *head)
{
int i;
struct frag_packet_list_entry *tfp;
@@@ -101,7 -101,7 +101,7 @@@
for (i = 0; i < FRAG_BUFFER_SIZE; i++) {
tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC);
if (!tfp) {
- frag_list_free(head);
+ batadv_frag_list_free(head);
return -ENOMEM;
}
tfp->skb = NULL;
@@@ -113,9 -113,8 +113,9 @@@
return 0;
}
-static struct frag_packet_list_entry *frag_search_packet(struct list_head *head,
- const struct unicast_frag_packet *up)
+static struct frag_packet_list_entry *
+batadv_frag_search_packet(struct list_head *head,
+ const struct unicast_frag_packet *up)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *tmp_up = NULL;
@@@ -152,7 -151,7 +152,7 @@@ mov_tail
return NULL;
}
-void frag_list_free(struct list_head *head)
+void batadv_frag_list_free(struct list_head *head)
{
struct frag_packet_list_entry *pf, *tmp_pf;
@@@ -173,8 -172,8 +173,8 @@@
* or the skb could be reassembled (skb_new will point to the new packet and
* skb was freed)
*/
-int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- struct sk_buff **new_skb)
+int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
+ struct sk_buff **new_skb)
{
struct orig_node *orig_node;
struct frag_packet_list_entry *tmp_frag_entry;
@@@ -184,41 -183,41 +184,41 @@@
*new_skb = NULL;
- orig_node = orig_hash_find(bat_priv, unicast_packet->orig);
+ orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->orig);
if (!orig_node)
goto out;
orig_node->last_frag_packet = jiffies;
if (list_empty(&orig_node->frag_list) &&
- frag_create_buffer(&orig_node->frag_list)) {
+ batadv_frag_create_buffer(&orig_node->frag_list)) {
pr_debug("couldn't create frag buffer\n");
goto out;
}
- tmp_frag_entry = frag_search_packet(&orig_node->frag_list,
- unicast_packet);
+ tmp_frag_entry = batadv_frag_search_packet(&orig_node->frag_list,
+ unicast_packet);
if (!tmp_frag_entry) {
- frag_create_entry(&orig_node->frag_list, skb);
+ batadv_frag_create_entry(&orig_node->frag_list, skb);
ret = NET_RX_SUCCESS;
goto out;
}
- *new_skb = frag_merge_packet(&orig_node->frag_list, tmp_frag_entry,
- skb);
+ *new_skb = batadv_frag_merge_packet(&orig_node->frag_list,
+ tmp_frag_entry, skb);
/* if not, merge failed */
if (*new_skb)
ret = NET_RX_SUCCESS;
out:
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
-int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- struct hard_iface *hard_iface, const uint8_t dstaddr[])
+int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
+ struct hard_iface *hard_iface, const uint8_t dstaddr[])
{
struct unicast_packet tmp_uc, *unicast_packet;
struct hard_iface *primary_if;
@@@ -230,7 -229,7 +230,7 @@@
int large_tail = 0, ret = NET_RX_DROP;
uint16_t seqno;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto dropped;
@@@ -243,8 -242,8 +243,8 @@@
memcpy(&tmp_uc, unicast_packet, uc_hdr_len);
skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len);
- if (my_skb_head_push(skb, ucf_hdr_len - uc_hdr_len) < 0 ||
- my_skb_head_push(frag_skb, ucf_hdr_len) < 0)
+ if (batadv_skb_head_push(skb, ucf_hdr_len - uc_hdr_len) < 0 ||
+ batadv_skb_head_push(frag_skb, ucf_hdr_len) < 0)
goto drop_frag;
frag1 = (struct unicast_frag_packet *)skb->data;
@@@ -269,8 -268,8 +269,8 @@@
frag1->seqno = htons(seqno - 1);
frag2->seqno = htons(seqno);
- send_skb_packet(skb, hard_iface, dstaddr);
- send_skb_packet(frag_skb, hard_iface, dstaddr);
+ batadv_send_skb_packet(skb, hard_iface, dstaddr);
+ batadv_send_skb_packet(frag_skb, hard_iface, dstaddr);
ret = NET_RX_SUCCESS;
goto out;
@@@ -280,152 -279,85 +280,86 @@@ dropped
kfree_skb(skb);
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return ret;
}
- static bool batadv_pull_and_fill_unicast(struct sk_buff *skb, int hdr_size,
- struct orig_node *orig_node)
- {
- struct unicast_packet *unicast_packet;
-
- if (batadv_skb_head_push(skb, hdr_size) < 0)
- return false;
-
- unicast_packet = (struct unicast_packet *)skb->data;
- unicast_packet->header.version = COMPAT_VERSION;
- /* batman packet type: unicast */
- unicast_packet->header.packet_type = BAT_UNICAST;
- /* set unicast ttl */
- unicast_packet->header.ttl = TTL;
- /* copy the destination for faster routing */
- memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
- /* set the destination tt version number */
- unicast_packet->ttvn =
- (uint8_t)atomic_read(&orig_node->last_ttvn);
-
- return true;
- }
-
- static bool batadv_prepare_unicast_packet(struct sk_buff *skb,
- struct orig_node *orig_node)
- {
- return batadv_pull_and_fill_unicast(skb, sizeof(struct unicast_packet),
- orig_node);
- }
-
- bool batadv_prepare_unicast_4addr_packet(struct bat_priv *bat_priv,
- struct sk_buff *skb,
- struct orig_node *orig_node,
- int packet_subtype)
- {
- struct hard_iface *primary_if;
- struct unicast_4addr_packet *unicast_4addr_packet;
- bool ret = false;
-
- primary_if = batadv_primary_if_get_selected(bat_priv);
- if (!primary_if)
- goto out;
-
- /* pull the header space and fill the unicast_packet substructure.
- * We can do that because the first member of the unicast_4addr_packet
- * is of type struct unicast_packet
- */
- if (!batadv_pull_and_fill_unicast(skb, sizeof(*unicast_4addr_packet),
- orig_node))
- goto out;
-
- unicast_4addr_packet = (struct unicast_4addr_packet *)skb->data;
- unicast_4addr_packet->u.header.packet_type = BAT_UNICAST_4ADDR;
- memcpy(unicast_4addr_packet->src, primary_if->net_dev->dev_addr,
- ETH_ALEN);
- unicast_4addr_packet->subtype = packet_subtype;
-
- ret = true;
- out:
- if (primary_if)
- batadv_hardif_free_ref(primary_if);
- return ret;
- }
-
- int batadv_unicast_generic_send_skb(struct sk_buff *skb,
- struct bat_priv *bat_priv,
- int packet_type, int packet_subtype)
-int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
++int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
+ struct unicast_packet *unicast_packet;
struct orig_node *orig_node;
struct neigh_node *neigh_node;
int data_len = skb->len;
- struct unicast_packet *unicast_packet;
int ret = 1;
/* get routing information */
if (is_multicast_ether_addr(ethhdr->h_dest)) {
- orig_node = gw_get_selected_orig(bat_priv);
+ orig_node = batadv_gw_get_selected_orig(bat_priv);
if (orig_node)
goto find_router;
}
/* check for tt host - increases orig_node refcount.
- * returns NULL in case of AP isolation */
- orig_node = transtable_search(bat_priv, ethhdr->h_source,
- ethhdr->h_dest);
+ * returns NULL in case of AP isolation
+ */
+ orig_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
+ ethhdr->h_dest);
+
find_router:
- /**
- * find_router():
+ /* find_router():
* - if orig_node is NULL it returns NULL
* - increases neigh_nodes refcount if found.
*/
- neigh_node = find_router(bat_priv, orig_node, NULL);
+ neigh_node = batadv_find_router(bat_priv, orig_node, NULL);
+
if (!neigh_node)
goto out;
- switch (packet_type) {
- case BAT_UNICAST:
- batadv_prepare_unicast_packet(skb, orig_node);
- break;
- case BAT_UNICAST_4ADDR:
- batadv_prepare_unicast_4addr_packet(bat_priv, skb, orig_node,
- packet_subtype);
- break;
- default:
- /* this function supports UNICAST and UNICAST_4ADDR only. It
- * should never be invoked with any other packet type
- */
- if (my_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
++ if (batadv_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
goto out;
unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet->header.version = COMPAT_VERSION;
+ /* batman packet type: unicast */
+ unicast_packet->header.packet_type = BAT_UNICAST;
+ /* set unicast ttl */
+ unicast_packet->header.ttl = TTL;
+ /* copy the destination for faster routing */
+ memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
+ /* set the destination tt version number */
+ unicast_packet->ttvn =
+ (uint8_t)atomic_read(&orig_node->last_ttvn);
+
/* inform the destination node that we are still missing a correct route
* for this client. The destination will receive this packet and will
* try to reroute it because the ttvn contained in the header is less
* than the current one
*/
- if (tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
+ if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
unicast_packet->ttvn = unicast_packet->ttvn - 1;
- /* fragmentation mechanism only works for UNICAST (now) */
- if (packet_type == BAT_UNICAST &&
- atomic_read(&bat_priv->fragmentation) &&
+ if (atomic_read(&bat_priv->fragmentation) &&
data_len + sizeof(*unicast_packet) >
neigh_node->if_incoming->net_dev->mtu) {
/* send frag skb decreases ttl */
unicast_packet->header.ttl++;
- ret = frag_send_skb(skb, bat_priv,
- neigh_node->if_incoming, neigh_node->addr);
+ ret = batadv_frag_send_skb(skb, bat_priv,
+ neigh_node->if_incoming,
+ neigh_node->addr);
goto out;
}
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = 0;
+ goto out;
out:
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);
if (ret == 1)
kfree_skb(skb);
return ret;
diff --combined unicast.h
index a9a71af,a9faf6b..9257b83
--- a/unicast.h
+++ b/unicast.h
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
*
* Andreas Langer
*
@@@ -15,6 -16,7 +15,6 @@@
* 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_UNICAST_H_
@@@ -25,35 -27,14 +25,15 @@@
#define FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */
#define FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */
-int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- struct sk_buff **new_skb);
-void frag_list_free(struct list_head *head);
-int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
-int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- struct hard_iface *hard_iface, const uint8_t dstaddr[]);
+int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
+ struct sk_buff **new_skb);
+void batadv_frag_list_free(struct list_head *head);
++int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
+int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
+ struct hard_iface *hard_iface,
+ const uint8_t dstaddr[]);
- bool batadv_prepare_unicast_4addr_packet(struct bat_priv *bat_priv,
- struct sk_buff *skb,
- struct orig_node *orig_node,
- int packet_subtype);
- int batadv_unicast_generic_send_skb(struct sk_buff *skb,
- struct bat_priv *bat_priv,
- int packet_type, int packet_subtype);
-
- static inline int batadv_unicast_send_skb(struct sk_buff *skb,
- struct bat_priv *bat_priv)
- {
- return batadv_unicast_generic_send_skb(skb, bat_priv, BAT_UNICAST, 0);
- }
-
- static inline int batadv_unicast_4addr_send_skb(struct sk_buff *skb,
- struct bat_priv *bat_priv,
- int packet_subtype)
- {
- return batadv_unicast_generic_send_skb(skb, bat_priv, BAT_UNICAST_4ADDR,
- packet_subtype);
- }
-static inline int frag_can_reassemble(const struct sk_buff *skb, int mtu)
+static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu)
{
const struct unicast_frag_packet *unicast_packet;
int uneven_correction = 0;
--
batman-adv