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This cleanup patchset includes the following patches:

Browse Source 
- bump version strings, by Simon Wunderlich
 
  - update include for min/max helpers, by Sven Eckelmann
 
  - add infrastructure and netlink functions for routing algo selection,
    by Sven Eckelmann (2 patches)
 
  - drop deprecated debugfs and sysfs support and obsoleted
    functionality, by Sven Eckelmann (3 patches)
 
  - drop unused include in fragmentation.c, by Simon Wunderlich
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Merge tag 'batadv-next-pullrequest-20201204' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This cleanup patchset includes the following patches:

 - bump version strings, by Simon Wunderlich

 - update include for min/max helpers, by Sven Eckelmann

 - add infrastructure and netlink functions for routing algo selection,
   by Sven Eckelmann (2 patches)

 - drop deprecated debugfs and sysfs support and obsoleted
   functionality, by Sven Eckelmann (3 patches)

 - drop unused include in fragmentation.c, by Simon Wunderlich

* tag 'batadv-next-pullrequest-20201204' of git://git.open-mesh.org/linux-merge:
  batman-adv: Drop unused soft-interface.h include in fragmentation.c
  batman-adv: Drop legacy code for auto deleting mesh interfaces
  batman-adv: Drop deprecated debugfs support
  batman-adv: Drop deprecated sysfs support
  batman-adv: Allow selection of routing algorithm over rtnetlink
  batman-adv: Prepare infrastructure for newlink settings
  batman-adv: Add new include for min/max helpers
  batman-adv: Start new development cycle
====================

Link: https://lore.kernel.org/r/20201204154631.21063-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2020-12-05 15:08:05 -08:00
commit 78d6bb584d
44 changed files with 121 additions and 4243 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
Documentation/ABI/obsolete/sysfs-class-net-batman-adv
View File

@ -1,32 +0,0 @@
This ABI is deprecated and will be removed after 2021. It is
replaced with the batadv generic netlink family.
What: /sys/class/net/<iface>/batman-adv/elp_interval
Date: Feb 2014
Contact: Linus Lüssing <linus.luessing@web.de>
Description:
Defines the interval in milliseconds in which batman
emits probing packets for neighbor sensing (ELP).
What: /sys/class/net/<iface>/batman-adv/iface_status
Date: May 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Indicates the status of <iface> as it is seen by batman.
What: /sys/class/net/<iface>/batman-adv/mesh_iface
Date: May 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
The /sys/class/net/<iface>/batman-adv/mesh_iface file
displays the batman mesh interface this <iface>
currently is associated with.
What: /sys/class/net/<iface>/batman-adv/throughput_override
Date: Feb 2014
Contact: Antonio Quartulli <a@unstable.cc>
description:
Defines the throughput value to be used by B.A.T.M.A.N. V
when estimating the link throughput using this interface.
If the value is set to 0 then batman-adv will try to
estimate the throughput by itself.

110
Documentation/ABI/obsolete/sysfs-class-net-mesh
View File

@ -1,110 +0,0 @@
This ABI is deprecated and will be removed after 2021. It is
replaced with the batadv generic netlink family.
What: /sys/class/net/<mesh_iface>/mesh/aggregated_ogms
Date: May 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Indicates whether the batman protocol messages of the
mesh <mesh_iface> shall be aggregated or not.
What: /sys/class/net/<mesh_iface>/mesh/<vlan_subdir>/ap_isolation
Date: May 2011
Contact: Antonio Quartulli <a@unstable.cc>
Description:
Indicates whether the data traffic going from a
wireless client to another wireless client will be
silently dropped. <vlan_subdir> is empty when referring
to the untagged lan.
What: /sys/class/net/<mesh_iface>/mesh/bonding
Date: June 2010
Contact: Simon Wunderlich <sw@simonwunderlich.de>
Description:
Indicates whether the data traffic going through the
mesh will be sent using multiple interfaces at the
same time (if available).
What: /sys/class/net/<mesh_iface>/mesh/bridge_loop_avoidance
Date: November 2011
Contact: Simon Wunderlich <sw@simonwunderlich.de>
Description:
Indicates whether the bridge loop avoidance feature
is enabled. This feature detects and avoids loops
between the mesh and devices bridged with the soft
interface <mesh_iface>.
What: /sys/class/net/<mesh_iface>/mesh/fragmentation
Date: October 2010
Contact: Andreas Langer <an.langer@gmx.de>
Description:
Indicates whether the data traffic going through the
mesh will be fragmented or silently discarded if the
packet size exceeds the outgoing interface MTU.
What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth
Date: October 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Defines the bandwidth which is propagated by this
node if gw_mode was set to 'server'.
What: /sys/class/net/<mesh_iface>/mesh/gw_mode
Date: October 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Defines the state of the gateway features. Can be
either 'off', 'client' or 'server'.
What: /sys/class/net/<mesh_iface>/mesh/gw_sel_class
Date: October 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Defines the selection criteria this node will use
to choose a gateway if gw_mode was set to 'client'.
What: /sys/class/net/<mesh_iface>/mesh/hop_penalty
Date: Oct 2010
Contact: Linus Lüssing <linus.luessing@web.de>
Description:
Defines the penalty which will be applied to an
originator message's tq-field on every hop.
What: /sys/class/net/<mesh_iface>/mesh/isolation_mark
Date: Nov 2013
Contact: Antonio Quartulli <a@unstable.cc>
Description:
Defines the isolation mark (and its bitmask) which
is used to classify clients as "isolated" by the
Extended Isolation feature.
What: /sys/class/net/<mesh_iface>/mesh/multicast_mode
Date: Feb 2014
Contact: Linus Lüssing <linus.luessing@web.de>
Description:
Indicates whether multicast optimizations are enabled
or disabled. If set to zero then all nodes in the
mesh are going to use classic flooding for any
multicast packet with no optimizations.
What: /sys/class/net/<mesh_iface>/mesh/network_coding
Date: Nov 2012
Contact: Martin Hundeboll <martin@hundeboll.net>
Description:
Controls whether Network Coding (using some magic
to send fewer wifi packets but still the same
content) is enabled or not.
What: /sys/class/net/<mesh_iface>/mesh/orig_interval
Date: May 2010
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Defines the interval in milliseconds in which batman
sends its protocol messages.
What: /sys/class/net/<mesh_iface>/mesh/routing_algo
Date: Dec 2011
Contact: Marek Lindner <mareklindner@neomailbox.ch>
Description:
Defines the routing procotol this mesh instance
uses to find the optimal paths through the mesh.

2
MAINTAINERS
View File

@ -3111,8 +3111,6 @@ Q: https://patchwork.open-mesh.org/project/batman/list/
B: https://www.open-mesh.org/projects/batman-adv/issues
C: irc://chat.freenode.net/batman
T: git https://git.open-mesh.org/linux-merge.git
F: Documentation/ABI/obsolete/sysfs-class-net-batman-adv
F: Documentation/ABI/obsolete/sysfs-class-net-mesh
F: Documentation/networking/batman-adv.rst
F: include/uapi/linux/batadv_packet.h
F: include/uapi/linux/batman_adv.h

26
include/uapi/linux/batman_adv.h
View File

@ -675,4 +675,30 @@ enum batadv_tp_meter_reason {
BATADV_TP_REASON_TOO_MANY = 133,
};
/**
* enum batadv_ifla_attrs - batman-adv ifla nested attributes
*/
enum batadv_ifla_attrs {
/**
* @IFLA_BATADV_UNSPEC: unspecified attribute which is not parsed by
* rtnetlink
*/
IFLA_BATADV_UNSPEC,
/**
* @IFLA_BATADV_ALGO_NAME: routing algorithm (name) which should be
* used by the newly registered batadv net_device.
*/
IFLA_BATADV_ALGO_NAME,
/* add attributes above here, update the policy in soft-interface.c */
/**
* @__IFLA_BATADV_MAX: internal use
*/
__IFLA_BATADV_MAX,
};
#define IFLA_BATADV_MAX (__IFLA_BATADV_MAX - 1)
#endif /* _UAPI_LINUX_BATMAN_ADV_H_ */

27
net/batman-adv/Kconfig
View File

@ -76,37 +76,14 @@ config BATMAN_ADV_MCAST
reduce the air overhead while improving the reliability of
multicast messages.
config BATMAN_ADV_DEBUGFS
bool "batman-adv debugfs entries"
depends on BATMAN_ADV
depends on DEBUG_FS
help
Enable this to export routing related debug tables via debugfs.
The information for each soft-interface and used hard-interface can be
found under batman_adv/
If unsure, say N.
config BATMAN_ADV_DEBUG
bool "B.A.T.M.A.N. debugging"
depends on BATMAN_ADV
help
This is an option for use by developers; most people should
say N here. This enables compilation of support for
outputting debugging information to the debugfs log or tracing
buffer. The output is controlled via the batadv netdev specific
log_level setting.
config BATMAN_ADV_SYSFS
bool "batman-adv sysfs entries"
depends on BATMAN_ADV
help
Say Y here if you want to enable batman-adv device configuration and
status interface through sysfs attributes. It is replaced by the
batadv generic netlink family but still used by various userspace
tools and scripts.
If unsure, say Y.
outputting debugging information to the tracing buffer. The output is
controlled via the batadv netdev specific log_level setting.
config BATMAN_ADV_TRACING
bool "B.A.T.M.A.N. tracing support"

3
net/batman-adv/Makefile
View File

@ -11,14 +11,12 @@ batman-adv-$(CONFIG_BATMAN_ADV_BATMAN_V) += bat_v_elp.o
batman-adv-$(CONFIG_BATMAN_ADV_BATMAN_V) += bat_v_ogm.o
batman-adv-y += bitarray.o
batman-adv-$(CONFIG_BATMAN_ADV_BLA) += bridge_loop_avoidance.o
batman-adv-$(CONFIG_BATMAN_ADV_DEBUGFS) += debugfs.o
batman-adv-$(CONFIG_BATMAN_ADV_DAT) += distributed-arp-table.o
batman-adv-y += fragmentation.o
batman-adv-y += gateway_client.o
batman-adv-y += gateway_common.o
batman-adv-y += hard-interface.o
batman-adv-y += hash.o
batman-adv-$(CONFIG_BATMAN_ADV_DEBUGFS) += icmp_socket.o
batman-adv-$(CONFIG_BATMAN_ADV_DEBUG) += log.o
batman-adv-y += main.o
batman-adv-$(CONFIG_BATMAN_ADV_MCAST) += multicast.o
@ -28,7 +26,6 @@ batman-adv-y += originator.o
batman-adv-y += routing.o
batman-adv-y += send.o
batman-adv-y += soft-interface.o
batman-adv-$(CONFIG_BATMAN_ADV_SYSFS) += sysfs.o
batman-adv-$(CONFIG_BATMAN_ADV_TRACING) += trace.o
batman-adv-y += tp_meter.o
batman-adv-y += translation-table.o

34
net/batman-adv/bat_algo.c
View File

@ -11,7 +11,6 @@
#include <linux/moduleparam.h>
#include <linux/netlink.h>
#include <linux/printk.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/stddef.h>
#include <linux/string.h>
@ -34,7 +33,13 @@ void batadv_algo_init(void)
INIT_HLIST_HEAD(&batadv_algo_list);
}
static struct batadv_algo_ops *batadv_algo_get(char *name)
/**
* batadv_algo_get() - Search for algorithm with specific name
* @name: algorithm name to find
*
* Return: Pointer to batadv_algo_ops on success, NULL otherwise
*/
struct batadv_algo_ops *batadv_algo_get(const char *name)
{
struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
@ -97,7 +102,7 @@ int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
*
* Return: 0 on success or negative error number in case of failure
*/
int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
int batadv_algo_select(struct batadv_priv *bat_priv, const char *name)
{
struct batadv_algo_ops *bat_algo_ops;
@ -110,29 +115,6 @@ int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
return 0;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_algo_seq_print_text() - Print the supported algorithms in a seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
{
struct batadv_algo_ops *bat_algo_ops;
seq_puts(seq, "Available routing algorithms:\n");
hlist_for_each_entry(bat_algo_ops, &batadv_algo_list, list) {
seq_printf(seq, " * %s\n", bat_algo_ops->name);
}
return 0;
}
#endif
static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{
struct batadv_algo_ops *bat_algo_ops;

5
net/batman-adv/bat_algo.h
View File

@ -10,7 +10,6 @@
#include "main.h"
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
@ -18,9 +17,9 @@ extern char batadv_routing_algo[];
extern struct list_head batadv_hardif_list;
void batadv_algo_init(void);
struct batadv_algo_ops *batadv_algo_get(const char *name);
int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops);
int batadv_algo_select(struct batadv_priv *bat_priv, char *name);
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset);
int batadv_algo_select(struct batadv_priv *bat_priv, const char *name);
int batadv_algo_dump(struct sk_buff *msg, struct netlink_callback *cb);
#endif /* _NET_BATMAN_ADV_BAT_ALGO_H_ */

229
net/batman-adv/bat_iv_ogm.c
View File

@ -32,7 +32,6 @@
#include <linux/random.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -1780,106 +1779,6 @@ free_skb:
return ret;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_iv_ogm_orig_print_neigh() - print neighbors for the originator table
* @orig_node: the orig_node for which the neighbors are printed
* @if_outgoing: outgoing interface for these entries
* @seq: debugfs table seq_file struct
*
* Must be called while holding an rcu lock.
*/
static void
batadv_iv_ogm_orig_print_neigh(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing,
struct seq_file *seq)
{
struct batadv_neigh_node *neigh_node;
struct batadv_neigh_ifinfo *n_ifinfo;
hlist_for_each_entry_rcu(neigh_node, &orig_node->neigh_list, list) {
n_ifinfo = batadv_neigh_ifinfo_get(neigh_node, if_outgoing);
if (!n_ifinfo)
continue;
seq_printf(seq, " %pM (%3i)",
neigh_node->addr,
n_ifinfo->bat_iv.tq_avg);
batadv_neigh_ifinfo_put(n_ifinfo);
}
}
/**
* batadv_iv_ogm_orig_print() - print the originator table
* @bat_priv: the bat priv with all the soft interface information
* @seq: debugfs table seq_file struct
* @if_outgoing: the outgoing interface for which this should be printed
*/
static void batadv_iv_ogm_orig_print(struct batadv_priv *bat_priv,
struct seq_file *seq,
struct batadv_hard_iface *if_outgoing)
{
struct batadv_neigh_node *neigh_node;
struct batadv_hashtable *hash = bat_priv->orig_hash;
int last_seen_msecs, last_seen_secs;
struct batadv_orig_node *orig_node;
struct batadv_neigh_ifinfo *n_ifinfo;
unsigned long last_seen_jiffies;
struct hlist_head *head;
int batman_count = 0;
u32 i;
seq_puts(seq,
" Originator last-seen (#/255) Nexthop [outgoingIF]: Potential nexthops ...\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
neigh_node = batadv_orig_router_get(orig_node,
if_outgoing);
if (!neigh_node)
continue;
n_ifinfo = batadv_neigh_ifinfo_get(neigh_node,
if_outgoing);
if (!n_ifinfo)
goto next;
if (n_ifinfo->bat_iv.tq_avg == 0)
goto next;
last_seen_jiffies = jiffies - orig_node->last_seen;
last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
last_seen_secs = last_seen_msecs / 1000;
last_seen_msecs = last_seen_msecs % 1000;
seq_printf(seq, "%pM %4i.%03is (%3i) %pM [%10s]:",
orig_node->orig, last_seen_secs,
last_seen_msecs, n_ifinfo->bat_iv.tq_avg,
neigh_node->addr,
neigh_node->if_incoming->net_dev->name);
batadv_iv_ogm_orig_print_neigh(orig_node, if_outgoing,
seq);
seq_putc(seq, '\n');
batman_count++;
next:
batadv_neigh_node_put(neigh_node);
if (n_ifinfo)
batadv_neigh_ifinfo_put(n_ifinfo);
}
rcu_read_unlock();
}
if (batman_count == 0)
seq_puts(seq, "No batman nodes in range ...\n");
}
#endif
/**
* batadv_iv_ogm_neigh_get_tq_avg() - Get the TQ average for a neighbour on a
* given outgoing interface.
@ -2109,59 +2008,6 @@ batadv_iv_ogm_orig_dump(struct sk_buff *msg, struct netlink_callback *cb,
cb->args[2] = sub;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_iv_hardif_neigh_print() - print a single hop neighbour node
* @seq: neighbour table seq_file struct
* @hardif_neigh: hardif neighbour information
*/
static void
batadv_iv_hardif_neigh_print(struct seq_file *seq,
struct batadv_hardif_neigh_node *hardif_neigh)
{
int last_secs, last_msecs;
last_secs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) / 1000;
last_msecs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) % 1000;
seq_printf(seq, " %10s %pM %4i.%03is\n",
hardif_neigh->if_incoming->net_dev->name,
hardif_neigh->addr, last_secs, last_msecs);
}
/**
* batadv_iv_ogm_neigh_print() - print the single hop neighbour list
* @bat_priv: the bat priv with all the soft interface information
* @seq: neighbour table seq_file struct
*/
static void batadv_iv_neigh_print(struct batadv_priv *bat_priv,
struct seq_file *seq)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_hardif_neigh_node *hardif_neigh;
struct batadv_hard_iface *hard_iface;
int batman_count = 0;
seq_puts(seq, " IF Neighbor last-seen\n");
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface != net_dev)
continue;
hlist_for_each_entry_rcu(hardif_neigh,
&hard_iface->neigh_list, list) {
batadv_iv_hardif_neigh_print(seq, hardif_neigh);
batman_count++;
}
}
rcu_read_unlock();
if (batman_count == 0)
seq_puts(seq, "No batman nodes in range ...\n");
}
#endif
/**
* batadv_iv_ogm_neigh_diff() - calculate tq difference of two neighbors
* @neigh1: the first neighbor object of the comparison
@ -2557,72 +2403,6 @@ out:
return ret;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/* fails if orig_node has no router */
static int batadv_iv_gw_write_buffer_text(struct batadv_priv *bat_priv,
struct seq_file *seq,
const struct batadv_gw_node *gw_node)
{
struct batadv_gw_node *curr_gw;
struct batadv_neigh_node *router;
struct batadv_neigh_ifinfo *router_ifinfo = NULL;
int ret = -1;
router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT);
if (!router)
goto out;
router_ifinfo = batadv_neigh_ifinfo_get(router, BATADV_IF_DEFAULT);
if (!router_ifinfo)
goto out;
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
seq_printf(seq, "%s %pM (%3i) %pM [%10s]: %u.%u/%u.%u MBit\n",
(curr_gw == gw_node ? "=>" : " "),
gw_node->orig_node->orig,
router_ifinfo->bat_iv.tq_avg, router->addr,
router->if_incoming->net_dev->name,
gw_node->bandwidth_down / 10,
gw_node->bandwidth_down % 10,
gw_node->bandwidth_up / 10,
gw_node->bandwidth_up % 10);
ret = seq_has_overflowed(seq) ? -1 : 0;
if (curr_gw)
batadv_gw_node_put(curr_gw);
out:
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
if (router)
batadv_neigh_node_put(router);
return ret;
}
static void batadv_iv_gw_print(struct batadv_priv *bat_priv,
struct seq_file *seq)
{
struct batadv_gw_node *gw_node;
int gw_count = 0;
seq_puts(seq,
" Gateway (#/255) Nexthop [outgoingIF]: advertised uplink bandwidth\n");
rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.gateway_list, list) {
/* fails if orig_node has no router */
if (batadv_iv_gw_write_buffer_text(bat_priv, seq, gw_node) < 0)
continue;
gw_count++;
}
rcu_read_unlock();
if (gw_count == 0)
seq_puts(seq, "No gateways in range ...\n");
}
#endif
/**
* batadv_iv_gw_dump_entry() - Dump a gateway into a message
* @msg: Netlink message to dump into
@ -2747,24 +2527,15 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
.neigh = {
.cmp = batadv_iv_ogm_neigh_cmp,
.is_similar_or_better = batadv_iv_ogm_neigh_is_sob,
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
.print = batadv_iv_neigh_print,
#endif
.dump = batadv_iv_ogm_neigh_dump,
},
.orig = {
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
.print = batadv_iv_ogm_orig_print,
#endif
.dump = batadv_iv_ogm_orig_dump,
},
.gw = {
.init_sel_class = batadv_iv_init_sel_class,
.get_best_gw_node = batadv_iv_gw_get_best_gw_node,
.is_eligible = batadv_iv_gw_is_eligible,
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
.print = batadv_iv_gw_print,
#endif
.dump = batadv_iv_gw_dump,
},
};

247
net/batman-adv/bat_v.c
View File

@ -13,14 +13,13 @@
#include <linux/if_ether.h>
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/minmax.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
@ -119,92 +118,6 @@ batadv_v_hardif_neigh_init(struct batadv_hardif_neigh_node *hardif_neigh)
batadv_v_elp_throughput_metric_update);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_v_orig_print_neigh() - print neighbors for the originator table
* @orig_node: the orig_node for which the neighbors are printed
* @if_outgoing: outgoing interface for these entries
* @seq: debugfs table seq_file struct
*
* Must be called while holding an rcu lock.
*/
static void
batadv_v_orig_print_neigh(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing,
struct seq_file *seq)
{
struct batadv_neigh_node *neigh_node;
struct batadv_neigh_ifinfo *n_ifinfo;
hlist_for_each_entry_rcu(neigh_node, &orig_node->neigh_list, list) {
n_ifinfo = batadv_neigh_ifinfo_get(neigh_node, if_outgoing);
if (!n_ifinfo)
continue;
seq_printf(seq, " %pM (%9u.%1u)",
neigh_node->addr,
n_ifinfo->bat_v.throughput / 10,
n_ifinfo->bat_v.throughput % 10);
batadv_neigh_ifinfo_put(n_ifinfo);
}
}
/**
* batadv_v_hardif_neigh_print() - print a single ELP neighbour node
* @seq: neighbour table seq_file struct
* @hardif_neigh: hardif neighbour information
*/
static void
batadv_v_hardif_neigh_print(struct seq_file *seq,
struct batadv_hardif_neigh_node *hardif_neigh)
{
int last_secs, last_msecs;
u32 throughput;
last_secs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) / 1000;
last_msecs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) % 1000;
throughput = ewma_throughput_read(&hardif_neigh->bat_v.throughput);
seq_printf(seq, "%pM %4i.%03is (%9u.%1u) [%10s]\n",
hardif_neigh->addr, last_secs, last_msecs, throughput / 10,
throughput % 10, hardif_neigh->if_incoming->net_dev->name);
}
/**
* batadv_v_neigh_print() - print the single hop neighbour list
* @bat_priv: the bat priv with all the soft interface information
* @seq: neighbour table seq_file struct
*/
static void batadv_v_neigh_print(struct batadv_priv *bat_priv,
struct seq_file *seq)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_hardif_neigh_node *hardif_neigh;
struct batadv_hard_iface *hard_iface;
int batman_count = 0;
seq_puts(seq,
" Neighbor last-seen ( throughput) [ IF]\n");
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface != net_dev)
continue;
hlist_for_each_entry_rcu(hardif_neigh,
&hard_iface->neigh_list, list) {
batadv_v_hardif_neigh_print(seq, hardif_neigh);
batman_count++;
}
}
rcu_read_unlock();
if (batman_count == 0)
seq_puts(seq, "No batman nodes in range ...\n");
}
#endif
/**
* batadv_v_neigh_dump_neigh() - Dump a neighbour into a message
* @msg: Netlink message to dump into
@ -337,75 +250,6 @@ batadv_v_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb,
cb->args[1] = idx;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_v_orig_print() - print the originator table
* @bat_priv: the bat priv with all the soft interface information
* @seq: debugfs table seq_file struct
* @if_outgoing: the outgoing interface for which this should be printed
*/
static void batadv_v_orig_print(struct batadv_priv *bat_priv,
struct seq_file *seq,
struct batadv_hard_iface *if_outgoing)
{
struct batadv_neigh_node *neigh_node;
struct batadv_hashtable *hash = bat_priv->orig_hash;
int last_seen_msecs, last_seen_secs;
struct batadv_orig_node *orig_node;
struct batadv_neigh_ifinfo *n_ifinfo;
unsigned long last_seen_jiffies;
struct hlist_head *head;
int batman_count = 0;
u32 i;
seq_puts(seq,
" Originator last-seen ( throughput) Nexthop [outgoingIF]: Potential nexthops ...\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
neigh_node = batadv_orig_router_get(orig_node,
if_outgoing);
if (!neigh_node)
continue;
n_ifinfo = batadv_neigh_ifinfo_get(neigh_node,
if_outgoing);
if (!n_ifinfo)
goto next;
last_seen_jiffies = jiffies - orig_node->last_seen;
last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
last_seen_secs = last_seen_msecs / 1000;
last_seen_msecs = last_seen_msecs % 1000;
seq_printf(seq, "%pM %4i.%03is (%9u.%1u) %pM [%10s]:",
orig_node->orig, last_seen_secs,
last_seen_msecs,
n_ifinfo->bat_v.throughput / 10,
n_ifinfo->bat_v.throughput % 10,
neigh_node->addr,
neigh_node->if_incoming->net_dev->name);
batadv_v_orig_print_neigh(orig_node, if_outgoing, seq);
seq_putc(seq, '\n');
batman_count++;
next:
batadv_neigh_node_put(neigh_node);
if (n_ifinfo)
batadv_neigh_ifinfo_put(n_ifinfo);
}
rcu_read_unlock();
}
if (batman_count == 0)
seq_puts(seq, "No batman nodes in range ...\n");
}
#endif
/**
* batadv_v_orig_dump_subentry() - Dump an originator subentry into a message
* @msg: Netlink message to dump into
@ -685,13 +529,6 @@ static ssize_t batadv_v_store_sel_class(struct batadv_priv *bat_priv,
return count;
}
static ssize_t batadv_v_show_sel_class(struct batadv_priv *bat_priv, char *buff)
{
u32 class = atomic_read(&bat_priv->gw.sel_class);
return sprintf(buff, "%u.%u MBit\n", class / 10, class % 10);
}
/**
* batadv_v_gw_throughput_get() - retrieve the GW-bandwidth for a given GW
* @gw_node: the GW to retrieve the metric for
@ -829,78 +666,6 @@ out:
return ret;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/* fails if orig_node has no router */
static int batadv_v_gw_write_buffer_text(struct batadv_priv *bat_priv,
struct seq_file *seq,
const struct batadv_gw_node *gw_node)
{
struct batadv_gw_node *curr_gw;
struct batadv_neigh_node *router;
struct batadv_neigh_ifinfo *router_ifinfo = NULL;
int ret = -1;
router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT);
if (!router)
goto out;
router_ifinfo = batadv_neigh_ifinfo_get(router, BATADV_IF_DEFAULT);
if (!router_ifinfo)
goto out;
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
seq_printf(seq, "%s %pM (%9u.%1u) %pM [%10s]: %u.%u/%u.%u MBit\n",
(curr_gw == gw_node ? "=>" : " "),
gw_node->orig_node->orig,
router_ifinfo->bat_v.throughput / 10,
router_ifinfo->bat_v.throughput % 10, router->addr,
router->if_incoming->net_dev->name,
gw_node->bandwidth_down / 10,
gw_node->bandwidth_down % 10,
gw_node->bandwidth_up / 10,
gw_node->bandwidth_up % 10);
ret = seq_has_overflowed(seq) ? -1 : 0;
if (curr_gw)
batadv_gw_node_put(curr_gw);
out:
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
if (router)
batadv_neigh_node_put(router);
return ret;
}
/**
* batadv_v_gw_print() - print the gateway list
* @bat_priv: the bat priv with all the soft interface information
* @seq: gateway table seq_file struct
*/
static void batadv_v_gw_print(struct batadv_priv *bat_priv,
struct seq_file *seq)
{
struct batadv_gw_node *gw_node;
int gw_count = 0;
seq_puts(seq,
" Gateway ( throughput) Nexthop [outgoingIF]: advertised uplink bandwidth\n");
rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.gateway_list, list) {
/* fails if orig_node has no router */
if (batadv_v_gw_write_buffer_text(bat_priv, seq, gw_node) < 0)
continue;
gw_count++;
}
rcu_read_unlock();
if (gw_count == 0)
seq_puts(seq, "No gateways in range ...\n");
}
#endif
/**
* batadv_v_gw_dump_entry() - Dump a gateway into a message
* @msg: Netlink message to dump into
@ -1046,26 +811,16 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = {
.hardif_init = batadv_v_hardif_neigh_init,
.cmp = batadv_v_neigh_cmp,
.is_similar_or_better = batadv_v_neigh_is_sob,
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
.print = batadv_v_neigh_print,
#endif
.dump = batadv_v_neigh_dump,
},
.orig = {
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
.print = batadv_v_orig_print,
#endif
.dump = batadv_v_orig_dump,
},
.gw = {
.init_sel_class = batadv_v_init_sel_class,
.store_sel_class = batadv_v_store_sel_class,
.show_sel_class = batadv_v_show_sel_class,
.get_best_gw_node = batadv_v_gw_get_best_gw_node,
.is_eligible = batadv_v_gw_is_eligible,
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
.print = batadv_v_gw_print,
#endif
.dump = batadv_v_gw_dump,
},
};

1
net/batman-adv/bat_v_elp.c
View File

@ -18,6 +18,7 @@
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/minmax.h>
#include <linux/netdevice.h>
#include <linux/nl80211.h>
#include <linux/prandom.h>

1
net/batman-adv/bat_v_ogm.c
View File

@ -18,6 +18,7 @@
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/minmax.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/prandom.h>

130
net/batman-adv/bridge_loop_avoidance.c
View File

@ -28,7 +28,6 @@
#include <linux/preempt.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -2115,69 +2114,6 @@ out:
return ret;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_bla_claim_table_seq_print_text() - print the claim table in a seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->bla.claim_hash;
struct batadv_bla_backbone_gw *backbone_gw;
struct batadv_bla_claim *claim;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
u16 backbone_crc;
u32 i;
bool is_own;
u8 *primary_addr;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
goto out;
primary_addr = primary_if->net_dev->dev_addr;
seq_printf(seq,
"Claims announced for the mesh %s (orig %pM, group id %#.4x)\n",
net_dev->name, primary_addr,
ntohs(bat_priv->bla.claim_dest.group));
seq_puts(seq,
" Client VID Originator [o] (CRC )\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(claim, head, hash_entry) {
backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
is_own = batadv_compare_eth(backbone_gw->orig,
primary_addr);
spin_lock_bh(&backbone_gw->crc_lock);
backbone_crc = backbone_gw->crc;
spin_unlock_bh(&backbone_gw->crc_lock);
seq_printf(seq, " * %pM on %5d by %pM [%c] (%#.4x)\n",
claim->addr, batadv_print_vid(claim->vid),
backbone_gw->orig,
(is_own ? 'x' : ' '),
backbone_crc);
batadv_backbone_gw_put(backbone_gw);
}
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
return 0;
}
#endif
/**
* batadv_bla_claim_dump_entry() - dump one entry of the claim table
* to a netlink socket
@ -2348,72 +2284,6 @@ out:
return ret;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_bla_backbone_table_seq_print_text() - print the backbone table in a
* seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
struct batadv_bla_backbone_gw *backbone_gw;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
int secs, msecs;
u16 backbone_crc;
u32 i;
bool is_own;
u8 *primary_addr;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
goto out;
primary_addr = primary_if->net_dev->dev_addr;
seq_printf(seq,
"Backbones announced for the mesh %s (orig %pM, group id %#.4x)\n",
net_dev->name, primary_addr,
ntohs(bat_priv->bla.claim_dest.group));
seq_puts(seq, " Originator VID last seen (CRC )\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) {
msecs = jiffies_to_msecs(jiffies -
backbone_gw->lasttime);
secs = msecs / 1000;
msecs = msecs % 1000;
is_own = batadv_compare_eth(backbone_gw->orig,
primary_addr);
if (is_own)
continue;
spin_lock_bh(&backbone_gw->crc_lock);
backbone_crc = backbone_gw->crc;
spin_unlock_bh(&backbone_gw->crc_lock);
seq_printf(seq, " * %pM on %5d %4i.%03is (%#.4x)\n",
backbone_gw->orig,
batadv_print_vid(backbone_gw->vid), secs,
msecs, backbone_crc);
}
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
return 0;
}
#endif
/**
* batadv_bla_backbone_dump_entry() - dump one entry of the backbone table to a
* netlink socket

16
net/batman-adv/bridge_loop_avoidance.h
View File

@ -12,7 +12,6 @@
#include <linux/compiler.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/stddef.h>
#include <linux/types.h>
@ -41,10 +40,7 @@ bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct batadv_orig_node *orig_node,
int hdr_size);
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
void *offset);
int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);
bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
unsigned short vid);
@ -84,18 +80,6 @@ static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
return false;
}
static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
void *offset)
{
return 0;
}
static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
void *offset)
{
return 0;
}
static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
u8 *orig, unsigned short vid)
{

442
net/batman-adv/debugfs.c
View File

@ -1,442 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*/
#include "debugfs.h"
#include "main.h"
#include <asm/current.h>
#include <linux/dcache.h>
#include <linux/debugfs.h>
#include <linux/errno.h>
#include <linux/export.h>
#include <linux/fs.h>
#include <linux/netdevice.h>
#include <linux/printk.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/stat.h>
#include <linux/stddef.h>
#include <linux/stringify.h>
#include <linux/sysfs.h>
#include <net/net_namespace.h>
#include "bat_algo.h"
#include "bridge_loop_avoidance.h"
#include "distributed-arp-table.h"
#include "gateway_client.h"
#include "icmp_socket.h"
#include "log.h"
#include "multicast.h"
#include "network-coding.h"
#include "originator.h"
#include "translation-table.h"
static struct dentry *batadv_debugfs;
/**
* batadv_debugfs_deprecated() - Log use of deprecated batadv debugfs access
* @file: file which was accessed
* @alt: explanation what can be used as alternative
*/
void batadv_debugfs_deprecated(struct file *file, const char *alt)
{
struct dentry *dentry = file_dentry(file);
const char *name = dentry->d_name.name;
pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of debugfs file \"%s\".\n%s",
current->comm, task_pid_nr(current), name, alt);
}
static int batadv_algorithms_open(struct inode *inode, struct file *file)
{
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_ROUTING_ALGOS instead\n");
return single_open(file, batadv_algo_seq_print_text, NULL);
}
static int neighbors_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_NEIGHBORS instead\n");
return single_open(file, batadv_hardif_neigh_seq_print_text, net_dev);
}
static int batadv_originators_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_ORIGINATORS instead\n");
return single_open(file, batadv_orig_seq_print_text, net_dev);
}
/**
* batadv_originators_hardif_open() - handles debugfs output for the originator
* table of an hard interface
* @inode: inode pointer to debugfs file
* @file: pointer to the seq_file
*
* Return: 0 on success or negative error number in case of failure
*/
static int batadv_originators_hardif_open(struct inode *inode,
struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_HARDIFS instead\n");
return single_open(file, batadv_orig_hardif_seq_print_text, net_dev);
}
static int batadv_gateways_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_GATEWAYS instead\n");
return single_open(file, batadv_gw_client_seq_print_text, net_dev);
}
static int batadv_transtable_global_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_TRANSTABLE_GLOBAL instead\n");
return single_open(file, batadv_tt_global_seq_print_text, net_dev);
}
#ifdef CONFIG_BATMAN_ADV_BLA
static int batadv_bla_claim_table_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_BLA_CLAIM instead\n");
return single_open(file, batadv_bla_claim_table_seq_print_text,
net_dev);
}
static int batadv_bla_backbone_table_open(struct inode *inode,
struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_BLA_BACKBONE instead\n");
return single_open(file, batadv_bla_backbone_table_seq_print_text,
net_dev);
}
#endif
#ifdef CONFIG_BATMAN_ADV_DAT
/**
* batadv_dat_cache_open() - Prepare file handler for reads from dat_cache
* @inode: inode which was opened
* @file: file handle to be initialized
*
* Return: 0 on success or negative error number in case of failure
*/
static int batadv_dat_cache_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_DAT_CACHE instead\n");
return single_open(file, batadv_dat_cache_seq_print_text, net_dev);
}
#endif
static int batadv_transtable_local_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_TRANSTABLE_LOCAL instead\n");
return single_open(file, batadv_tt_local_seq_print_text, net_dev);
}
struct batadv_debuginfo {
struct attribute attr;
const struct file_operations fops;
};
#ifdef CONFIG_BATMAN_ADV_NC
static int batadv_nc_nodes_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file, "");
return single_open(file, batadv_nc_nodes_seq_print_text, net_dev);
}
#endif
#ifdef CONFIG_BATMAN_ADV_MCAST
/**
* batadv_mcast_flags_open() - prepare file handler for reads from mcast_flags
* @inode: inode which was opened
* @file: file handle to be initialized
*
* Return: 0 on success or negative error number in case of failure
*/
static int batadv_mcast_flags_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
batadv_debugfs_deprecated(file,
"Use genl command BATADV_CMD_GET_MCAST_FLAGS instead\n");
return single_open(file, batadv_mcast_flags_seq_print_text, net_dev);
}
#endif
#define BATADV_DEBUGINFO(_name, _mode, _open) \
struct batadv_debuginfo batadv_debuginfo_##_name = { \
.attr = { \
.name = __stringify(_name), \
.mode = _mode, \
}, \
.fops = { \
.owner = THIS_MODULE, \
.open = _open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release, \
}, \
}
/* the following attributes are general and therefore they will be directly
* placed in the BATADV_DEBUGFS_SUBDIR subdirectory of debugfs
*/
static BATADV_DEBUGINFO(routing_algos, 0444, batadv_algorithms_open);
static struct batadv_debuginfo *batadv_general_debuginfos[] = {
&batadv_debuginfo_routing_algos,
NULL,
};
/* The following attributes are per soft interface */
static BATADV_DEBUGINFO(neighbors, 0444, neighbors_open);
static BATADV_DEBUGINFO(originators, 0444, batadv_originators_open);
static BATADV_DEBUGINFO(gateways, 0444, batadv_gateways_open);
static BATADV_DEBUGINFO(transtable_global, 0444, batadv_transtable_global_open);
#ifdef CONFIG_BATMAN_ADV_BLA
static BATADV_DEBUGINFO(bla_claim_table, 0444, batadv_bla_claim_table_open);
static BATADV_DEBUGINFO(bla_backbone_table, 0444,
batadv_bla_backbone_table_open);
#endif
#ifdef CONFIG_BATMAN_ADV_DAT
static BATADV_DEBUGINFO(dat_cache, 0444, batadv_dat_cache_open);
#endif
static BATADV_DEBUGINFO(transtable_local, 0444, batadv_transtable_local_open);
#ifdef CONFIG_BATMAN_ADV_NC
static BATADV_DEBUGINFO(nc_nodes, 0444, batadv_nc_nodes_open);
#endif
#ifdef CONFIG_BATMAN_ADV_MCAST
static BATADV_DEBUGINFO(mcast_flags, 0444, batadv_mcast_flags_open);
#endif
static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
&batadv_debuginfo_neighbors,
&batadv_debuginfo_originators,
&batadv_debuginfo_gateways,
&batadv_debuginfo_transtable_global,
#ifdef CONFIG_BATMAN_ADV_BLA
&batadv_debuginfo_bla_claim_table,
&batadv_debuginfo_bla_backbone_table,
#endif
#ifdef CONFIG_BATMAN_ADV_DAT
&batadv_debuginfo_dat_cache,
#endif
&batadv_debuginfo_transtable_local,
#ifdef CONFIG_BATMAN_ADV_NC
&batadv_debuginfo_nc_nodes,
#endif
#ifdef CONFIG_BATMAN_ADV_MCAST
&batadv_debuginfo_mcast_flags,
#endif
NULL,
};
#define BATADV_HARDIF_DEBUGINFO(_name, _mode, _open) \
struct batadv_debuginfo batadv_hardif_debuginfo_##_name = { \
.attr = { \
.name = __stringify(_name), \
.mode = _mode, \
}, \
.fops = { \
.owner = THIS_MODULE, \
.open = _open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release, \
}, \
}
static BATADV_HARDIF_DEBUGINFO(originators, 0444,
batadv_originators_hardif_open);
static struct batadv_debuginfo *batadv_hardif_debuginfos[] = {
&batadv_hardif_debuginfo_originators,
NULL,
};
/**
* batadv_debugfs_init() - Initialize soft interface independent debugfs entries
*/
void batadv_debugfs_init(void)
{
struct batadv_debuginfo **bat_debug;
batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug)
debugfs_create_file(((*bat_debug)->attr).name,
S_IFREG | ((*bat_debug)->attr).mode,
batadv_debugfs, NULL, &(*bat_debug)->fops);
}
/**
* batadv_debugfs_destroy() - Remove all debugfs entries
*/
void batadv_debugfs_destroy(void)
{
debugfs_remove_recursive(batadv_debugfs);
batadv_debugfs = NULL;
}
/**
* batadv_debugfs_add_hardif() - creates the base directory for a hard interface
* in debugfs.
* @hard_iface: hard interface which should be added.
*/
void batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
{
struct net *net = dev_net(hard_iface->net_dev);
struct batadv_debuginfo **bat_debug;
if (net != &init_net)
return;
hard_iface->debug_dir = debugfs_create_dir(hard_iface->net_dev->name,
batadv_debugfs);
for (bat_debug = batadv_hardif_debuginfos; *bat_debug; ++bat_debug)
debugfs_create_file(((*bat_debug)->attr).name,
S_IFREG | ((*bat_debug)->attr).mode,
hard_iface->debug_dir, hard_iface->net_dev,
&(*bat_debug)->fops);
}
/**
* batadv_debugfs_rename_hardif() - Fix debugfs path for renamed hardif
* @hard_iface: hard interface which was renamed
*/
void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface)
{
const char *name = hard_iface->net_dev->name;
struct dentry *dir;
dir = hard_iface->debug_dir;
if (!dir)
return;
debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
}
/**
* batadv_debugfs_del_hardif() - delete the base directory for a hard interface
* in debugfs.
* @hard_iface: hard interface which is deleted.
*/
void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface)
{
struct net *net = dev_net(hard_iface->net_dev);
if (net != &init_net)
return;
if (batadv_debugfs) {
debugfs_remove_recursive(hard_iface->debug_dir);
hard_iface->debug_dir = NULL;
}
}
/**
* batadv_debugfs_add_meshif() - Initialize interface dependent debugfs entries
* @dev: netdev struct of the soft interface
*
* Return: 0 on success or negative error number in case of failure
*/
int batadv_debugfs_add_meshif(struct net_device *dev)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_debuginfo **bat_debug;
struct net *net = dev_net(dev);
if (net != &init_net)
return 0;
bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs);
batadv_socket_setup(bat_priv);
if (batadv_debug_log_setup(bat_priv) < 0)
goto rem_attr;
for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug)
debugfs_create_file(((*bat_debug)->attr).name,
S_IFREG | ((*bat_debug)->attr).mode,
bat_priv->debug_dir, dev,
&(*bat_debug)->fops);
batadv_nc_init_debugfs(bat_priv);
return 0;
rem_attr:
debugfs_remove_recursive(bat_priv->debug_dir);
bat_priv->debug_dir = NULL;
return -ENOMEM;
}
/**
* batadv_debugfs_rename_meshif() - Fix debugfs path for renamed softif
* @dev: net_device which was renamed
*/
void batadv_debugfs_rename_meshif(struct net_device *dev)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
const char *name = dev->name;
struct dentry *dir;
dir = bat_priv->debug_dir;
if (!dir)
return;
debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
}
/**
* batadv_debugfs_del_meshif() - Remove interface dependent debugfs entries
* @dev: netdev struct of the soft interface
*/
void batadv_debugfs_del_meshif(struct net_device *dev)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct net *net = dev_net(dev);
if (net != &init_net)
return;
batadv_debug_log_cleanup(bat_priv);
if (batadv_debugfs) {
debugfs_remove_recursive(bat_priv->debug_dir);
bat_priv->debug_dir = NULL;
}
}

73
net/batman-adv/debugfs.h
View File

@ -1,73 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*/
#ifndef _NET_BATMAN_ADV_DEBUGFS_H_
#define _NET_BATMAN_ADV_DEBUGFS_H_
#include "main.h"
#include <linux/fs.h>
#include <linux/netdevice.h>
#define BATADV_DEBUGFS_SUBDIR "batman_adv"
#if IS_ENABLED(CONFIG_BATMAN_ADV_DEBUGFS)
void batadv_debugfs_deprecated(struct file *file, const char *alt);
void batadv_debugfs_init(void);
void batadv_debugfs_destroy(void);
int batadv_debugfs_add_meshif(struct net_device *dev);
void batadv_debugfs_rename_meshif(struct net_device *dev);
void batadv_debugfs_del_meshif(struct net_device *dev);
void batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface);
void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface);
void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface);
#else
static inline void batadv_debugfs_deprecated(struct file *file, const char *alt)
{
}
static inline void batadv_debugfs_init(void)
{
}
static inline void batadv_debugfs_destroy(void)
{
}
static inline int batadv_debugfs_add_meshif(struct net_device *dev)
{
return 0;
}
static inline void batadv_debugfs_rename_meshif(struct net_device *dev)
{
}
static inline void batadv_debugfs_del_meshif(struct net_device *dev)
{
}
static inline
void batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
{
}
static inline
void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface)
{
}
static inline
void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface)
{
}
#endif
#endif /* _NET_BATMAN_ADV_DEBUGFS_H_ */

55
net/batman-adv/distributed-arp-table.c
View File

@ -26,7 +26,6 @@
#include <linux/netlink.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -842,60 +841,6 @@ void batadv_dat_free(struct batadv_priv *bat_priv)
batadv_dat_hash_free(bat_priv);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_dat_cache_seq_print_text() - print the local DAT hash table
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->dat.hash;
struct batadv_dat_entry *dat_entry;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
unsigned long last_seen_jiffies;
int last_seen_msecs, last_seen_secs, last_seen_mins;
u32 i;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
goto out;
seq_printf(seq, "Distributed ARP Table (%s):\n", net_dev->name);
seq_puts(seq,
" IPv4 MAC VID last-seen\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(dat_entry, head, hash_entry) {
last_seen_jiffies = jiffies - dat_entry->last_update;
last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
last_seen_mins = last_seen_msecs / 60000;
last_seen_msecs = last_seen_msecs % 60000;
last_seen_secs = last_seen_msecs / 1000;
seq_printf(seq, " * %15pI4 %pM %4i %6i:%02i\n",
&dat_entry->ip, dat_entry->mac_addr,
batadv_print_vid(dat_entry->vid),
last_seen_mins, last_seen_secs);
}
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
return 0;
}
#endif
/**
* batadv_dat_cache_dump_entry() - dump one entry of the DAT cache table to a
* netlink socket

2
net/batman-adv/distributed-arp-table.h
View File

@ -12,7 +12,6 @@
#include <linux/compiler.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>
@ -74,7 +73,6 @@ batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
int batadv_dat_init(struct batadv_priv *bat_priv);
void batadv_dat_free(struct batadv_priv *bat_priv);
int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset);
int batadv_dat_cache_dump(struct sk_buff *msg, struct netlink_callback *cb);
/**

3
net/batman-adv/fragmentation.c
View File

@ -14,8 +14,8 @@
#include <linux/gfp.h>
#include <linux/if_ether.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/lockdep.h>
#include <linux/minmax.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
@ -27,7 +27,6 @@
#include "originator.h"
#include "routing.h"
#include "send.h"
#include "soft-interface.h"
/**
* batadv_frag_clear_chain() - delete entries in the fragment buffer chain

39
net/batman-adv/gateway_client.c
View File

@ -25,7 +25,6 @@
#include <linux/netlink.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -511,44 +510,6 @@ void batadv_gw_node_free(struct batadv_priv *bat_priv)
spin_unlock_bh(&bat_priv->gw.list_lock);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_gw_client_seq_print_text() - Print the gateway table in a seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
return 0;
seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s %s)]\n",
BATADV_SOURCE_VERSION, primary_if->net_dev->name,
primary_if->net_dev->dev_addr, net_dev->name,
bat_priv->algo_ops->name);
batadv_hardif_put(primary_if);
if (!bat_priv->algo_ops->gw.print) {
seq_puts(seq,
"No printing function for this routing protocol\n");
return 0;
}
bat_priv->algo_ops->gw.print(bat_priv, seq);
return 0;
}
#endif
/**
* batadv_gw_dump() - Dump gateways into a message
* @msg: Netlink message to dump into

2
net/batman-adv/gateway_client.h
View File

@ -10,7 +10,6 @@
#include "main.h"
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>
@ -31,7 +30,6 @@ void batadv_gw_node_free(struct batadv_priv *bat_priv);
void batadv_gw_node_put(struct batadv_gw_node *gw_node);
struct batadv_gw_node *
batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv);
int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb);
bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb);
enum batadv_dhcp_recipient

35
net/batman-adv/hard-interface.c
View File

@ -18,6 +18,7 @@
#include <linux/kref.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/minmax.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/printk.h>
@ -31,14 +32,12 @@
#include "bat_v.h"
#include "bridge_loop_avoidance.h"
#include "debugfs.h"
#include "distributed-arp-table.h"
#include "gateway_client.h"
#include "log.h"
#include "originator.h"
#include "send.h"
#include "soft-interface.h"
#include "sysfs.h"
#include "translation-table.h"
/**
@ -846,11 +845,8 @@ static size_t batadv_hardif_cnt(const struct net_device *soft_iface)
/**
* batadv_hardif_disable_interface() - Remove hard interface from soft interface
* @hard_iface: hard interface to be removed
* @autodel: whether to delete soft interface when it doesn't contain any other
* slave interfaces
*/
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
enum batadv_hard_if_cleanup autodel)
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hard_iface *primary_if = NULL;
@ -888,13 +884,9 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
batadv_hardif_recalc_extra_skbroom(hard_iface->soft_iface);
/* nobody uses this interface anymore */
if (batadv_hardif_cnt(hard_iface->soft_iface) <= 1) {
if (batadv_hardif_cnt(hard_iface->soft_iface) <= 1)
batadv_gw_check_client_stop(bat_priv);
if (autodel == BATADV_IF_CLEANUP_AUTO)
batadv_softif_destroy_sysfs(hard_iface->soft_iface);
}
hard_iface->soft_iface = NULL;
batadv_hardif_put(hard_iface);
@ -907,7 +899,6 @@ static struct batadv_hard_iface *
batadv_hardif_add_interface(struct net_device *net_dev)
{
struct batadv_hard_iface *hard_iface;
int ret;
ASSERT_RTNL();
@ -920,16 +911,10 @@ batadv_hardif_add_interface(struct net_device *net_dev)
if (!hard_iface)
goto release_dev;
ret = batadv_sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
if (ret)
goto free_if;
hard_iface->net_dev = net_dev;
hard_iface->soft_iface = NULL;
hard_iface->if_status = BATADV_IF_NOT_IN_USE;
batadv_debugfs_add_hardif(hard_iface);
INIT_LIST_HEAD(&hard_iface->list);
INIT_HLIST_HEAD(&hard_iface->neigh_list);
@ -953,8 +938,6 @@ batadv_hardif_add_interface(struct net_device *net_dev)
return hard_iface;
free_if:
kfree(hard_iface);
release_dev:
dev_put(net_dev);
out:
@ -967,15 +950,12 @@ static void batadv_hardif_remove_interface(struct batadv_hard_iface *hard_iface)
/* first deactivate interface */
if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
batadv_hardif_disable_interface(hard_iface,
BATADV_IF_CLEANUP_KEEP);
batadv_hardif_disable_interface(hard_iface);
if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
return;
hard_iface->if_status = BATADV_IF_TO_BE_REMOVED;
batadv_debugfs_del_hardif(hard_iface);
batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
batadv_hardif_put(hard_iface);
}
@ -993,13 +973,9 @@ static int batadv_hard_if_event_softif(unsigned long event,
switch (event) {
case NETDEV_REGISTER:
batadv_sysfs_add_meshif(net_dev);
bat_priv = netdev_priv(net_dev);
batadv_softif_create_vlan(bat_priv, BATADV_NO_FLAGS);
break;
case NETDEV_CHANGENAME:
batadv_debugfs_rename_meshif(net_dev);
break;
}
return NOTIFY_DONE;
@ -1064,9 +1040,6 @@ static int batadv_hard_if_event(struct notifier_block *this,
if (batadv_is_wifi_hardif(hard_iface))
hard_iface->num_bcasts = BATADV_NUM_BCASTS_WIRELESS;
break;
case NETDEV_CHANGENAME:
batadv_debugfs_rename_hardif(hard_iface);
break;
default:
break;
}

25
net/batman-adv/hard-interface.h
View File

@ -42,12 +42,6 @@ enum batadv_hard_if_state {
/** @BATADV_IF_TO_BE_ACTIVATED: interface is getting activated */
BATADV_IF_TO_BE_ACTIVATED,
/**
* @BATADV_IF_I_WANT_YOU: interface is queued up (using sysfs) for being
* added as slave interface of a batman-adv soft interface
*/
BATADV_IF_I_WANT_YOU,
};
/**
@ -73,22 +67,6 @@ enum batadv_hard_if_bcast {
BATADV_HARDIF_BCAST_DUPORIG,
};
/**
* enum batadv_hard_if_cleanup - Cleanup modi for soft_iface after slave removal
*/
enum batadv_hard_if_cleanup {
/**
* @BATADV_IF_CLEANUP_KEEP: Don't automatically delete soft-interface
*/
BATADV_IF_CLEANUP_KEEP,
/**
* @BATADV_IF_CLEANUP_AUTO: Delete soft-interface after last slave was
* removed
*/
BATADV_IF_CLEANUP_AUTO,
};
extern struct notifier_block batadv_hard_if_notifier;
struct net_device *batadv_get_real_netdev(struct net_device *net_device);
@ -98,8 +76,7 @@ struct batadv_hard_iface*
batadv_hardif_get_by_netdev(const struct net_device *net_dev);
int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
struct net *net, const char *iface_name);
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
enum batadv_hard_if_cleanup autodel);
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
int batadv_hardif_min_mtu(struct net_device *soft_iface);
void batadv_update_min_mtu(struct net_device *soft_iface);
void batadv_hardif_release(struct kref *ref);

392
net/batman-adv/icmp_socket.c
View File

@ -1,392 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*/
#include "icmp_socket.h"
#include "main.h"
#include <linux/atomic.h>
#include <linux/compiler.h>
#include <linux/debugfs.h>
#include <linux/errno.h>
#include <linux/etherdevice.h>
#include <linux/eventpoll.h>
#include <linux/export.h>
#include <linux/fcntl.h>
#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/if_ether.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/pkt_sched.h>
#include <linux/poll.h>
#include <linux/printk.h>
#include <linux/sched.h> /* for linux/wait.h */
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/wait.h>
#include <uapi/linux/batadv_packet.h>
#include "debugfs.h"
#include "hard-interface.h"
#include "log.h"
#include "originator.h"
#include "send.h"
static struct batadv_socket_client *batadv_socket_client_hash[256];
static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
struct batadv_icmp_header *icmph,
size_t icmp_len);
/**
* batadv_socket_init() - Initialize soft interface independent socket data
*/
void batadv_socket_init(void)
{
memset(batadv_socket_client_hash, 0, sizeof(batadv_socket_client_hash));
}
static int batadv_socket_open(struct inode *inode, struct file *file)
{
unsigned int i;
struct batadv_socket_client *socket_client;
if (!try_module_get(THIS_MODULE))
return -EBUSY;
batadv_debugfs_deprecated(file, "");
stream_open(inode, file);
socket_client = kmalloc(sizeof(*socket_client), GFP_KERNEL);
if (!socket_client) {
module_put(THIS_MODULE);
return -ENOMEM;
}
for (i = 0; i < ARRAY_SIZE(batadv_socket_client_hash); i++) {
if (!batadv_socket_client_hash[i]) {
batadv_socket_client_hash[i] = socket_client;
break;
}
}
if (i == ARRAY_SIZE(batadv_socket_client_hash)) {
pr_err("Error - can't add another packet client: maximum number of clients reached\n");
kfree(socket_client);
module_put(THIS_MODULE);
return -EXFULL;
}
INIT_LIST_HEAD(&socket_client->queue_list);
socket_client->queue_len = 0;
socket_client->index = i;
socket_client->bat_priv = inode->i_private;
spin_lock_init(&socket_client->lock);
init_waitqueue_head(&socket_client->queue_wait);
file->private_data = socket_client;
return 0;
}
static int batadv_socket_release(struct inode *inode, struct file *file)
{
struct batadv_socket_client *client = file->private_data;
struct batadv_socket_packet *packet, *tmp;
spin_lock_bh(&client->lock);
/* for all packets in the queue ... */
list_for_each_entry_safe(packet, tmp, &client->queue_list, list) {
list_del(&packet->list);
kfree(packet);
}
batadv_socket_client_hash[client->index] = NULL;
spin_unlock_bh(&client->lock);
kfree(client);
module_put(THIS_MODULE);
return 0;
}
static ssize_t batadv_socket_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct batadv_socket_client *socket_client = file->private_data;
struct batadv_socket_packet *socket_packet;
size_t packet_len;
int error;
if ((file->f_flags & O_NONBLOCK) && socket_client->queue_len == 0)
return -EAGAIN;
if (!buf || count < sizeof(struct batadv_icmp_packet))
return -EINVAL;
error = wait_event_interruptible(socket_client->queue_wait,
socket_client->queue_len);
if (error)
return error;
spin_lock_bh(&socket_client->lock);
socket_packet = list_first_entry(&socket_client->queue_list,
struct batadv_socket_packet, list);
list_del(&socket_packet->list);
socket_client->queue_len--;
spin_unlock_bh(&socket_client->lock);
packet_len = min(count, socket_packet->icmp_len);
error = copy_to_user(buf, &socket_packet->icmp_packet, packet_len);
kfree(socket_packet);
if (error)
return -EFAULT;
return packet_len;
}
static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
size_t len, loff_t *off)
{
struct batadv_socket_client *socket_client = file->private_data;
struct batadv_priv *bat_priv = socket_client->bat_priv;
struct batadv_hard_iface *primary_if = NULL;
struct sk_buff *skb;
struct batadv_icmp_packet_rr *icmp_packet_rr;
struct batadv_icmp_header *icmp_header;
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *neigh_node = NULL;
size_t packet_len = sizeof(struct batadv_icmp_packet);
u8 *addr;
if (len < sizeof(struct batadv_icmp_header)) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: invalid packet size\n");
return -EINVAL;
}
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
len = -EFAULT;
goto out;
}
if (len >= BATADV_ICMP_MAX_PACKET_SIZE)
packet_len = BATADV_ICMP_MAX_PACKET_SIZE;
else
packet_len = len;
skb = netdev_alloc_skb_ip_align(NULL, packet_len + ETH_HLEN);
if (!skb) {
len = -ENOMEM;
goto out;
}
skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
icmp_header = skb_put(skb, packet_len);
if (copy_from_user(icmp_header, buff, packet_len)) {
len = -EFAULT;
goto free_skb;
}
if (icmp_header->packet_type != BATADV_ICMP) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
len = -EINVAL;
goto free_skb;
}
switch (icmp_header->msg_type) {
case BATADV_ECHO_REQUEST:
if (len < sizeof(struct batadv_icmp_packet)) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: invalid packet size\n");
len = -EINVAL;
goto free_skb;
}
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dst_unreach;
orig_node = batadv_orig_hash_find(bat_priv, icmp_header->dst);
if (!orig_node)
goto dst_unreach;
neigh_node = batadv_orig_router_get(orig_node,
BATADV_IF_DEFAULT);
if (!neigh_node)
goto dst_unreach;
if (!neigh_node->if_incoming)
goto dst_unreach;
if (neigh_node->if_incoming->if_status != BATADV_IF_ACTIVE)
goto dst_unreach;
icmp_packet_rr = (struct batadv_icmp_packet_rr *)icmp_header;
if (packet_len == sizeof(*icmp_packet_rr)) {
addr = neigh_node->if_incoming->net_dev->dev_addr;
ether_addr_copy(icmp_packet_rr->rr[0], addr);
}
break;
default:
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: got unknown message type\n");
len = -EINVAL;
goto free_skb;
}
icmp_header->uid = socket_client->index;
if (icmp_header->version != BATADV_COMPAT_VERSION) {
icmp_header->msg_type = BATADV_PARAMETER_PROBLEM;
icmp_header->version = BATADV_COMPAT_VERSION;
batadv_socket_add_packet(socket_client, icmp_header,
packet_len);
goto free_skb;
}
ether_addr_copy(icmp_header->orig, primary_if->net_dev->dev_addr);
batadv_send_unicast_skb(skb, neigh_node);
goto out;
dst_unreach:
icmp_header->msg_type = BATADV_DESTINATION_UNREACHABLE;
batadv_socket_add_packet(socket_client, icmp_header, packet_len);
free_skb:
kfree_skb(skb);
out:
if (primary_if)
batadv_hardif_put(primary_if);
if (neigh_node)
batadv_neigh_node_put(neigh_node);
if (orig_node)
batadv_orig_node_put(orig_node);
return len;
}
static __poll_t batadv_socket_poll(struct file *file, poll_table *wait)
{
struct batadv_socket_client *socket_client = file->private_data;
poll_wait(file, &socket_client->queue_wait, wait);
if (socket_client->queue_len > 0)
return EPOLLIN | EPOLLRDNORM;
return 0;
}
static const struct file_operations batadv_fops = {
.owner = THIS_MODULE,
.open = batadv_socket_open,
.release = batadv_socket_release,
.read = batadv_socket_read,
.write = batadv_socket_write,
.poll = batadv_socket_poll,
.llseek = no_llseek,
};
/**
* batadv_socket_setup() - Create debugfs "socket" file
* @bat_priv: the bat priv with all the soft interface information
*/
void batadv_socket_setup(struct batadv_priv *bat_priv)
{
debugfs_create_file(BATADV_ICMP_SOCKET, 0600, bat_priv->debug_dir,
bat_priv, &batadv_fops);
}
/**
* batadv_socket_add_packet() - schedule an icmp packet to be sent to
* userspace on an icmp socket.
* @socket_client: the socket this packet belongs to
* @icmph: pointer to the header of the icmp packet
* @icmp_len: total length of the icmp packet
*/
static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
struct batadv_icmp_header *icmph,
size_t icmp_len)
{
struct batadv_socket_packet *socket_packet;
size_t len;
socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC);
if (!socket_packet)
return;
len = icmp_len;
/* check the maximum length before filling the buffer */
if (len > sizeof(socket_packet->icmp_packet))
len = sizeof(socket_packet->icmp_packet);
INIT_LIST_HEAD(&socket_packet->list);
memcpy(&socket_packet->icmp_packet, icmph, len);
socket_packet->icmp_len = len;
spin_lock_bh(&socket_client->lock);
/* while waiting for the lock the socket_client could have been
* deleted
*/
if (!batadv_socket_client_hash[icmph->uid]) {
spin_unlock_bh(&socket_client->lock);
kfree(socket_packet);
return;
}
list_add_tail(&socket_packet->list, &socket_client->queue_list);
socket_client->queue_len++;
if (socket_client->queue_len > 100) {
socket_packet = list_first_entry(&socket_client->queue_list,
struct batadv_socket_packet,
list);
list_del(&socket_packet->list);
kfree(socket_packet);
socket_client->queue_len--;
}
spin_unlock_bh(&socket_client->lock);
wake_up(&socket_client->queue_wait);
}
/**
* batadv_socket_receive_packet() - schedule an icmp packet to be received
* locally and sent to userspace.
* @icmph: pointer to the header of the icmp packet
* @icmp_len: total length of the icmp packet
*/
void batadv_socket_receive_packet(struct batadv_icmp_header *icmph,
size_t icmp_len)
{
struct batadv_socket_client *hash;
hash = batadv_socket_client_hash[icmph->uid];
if (hash)
batadv_socket_add_packet(hash, icmph, icmp_len);
}

38
net/batman-adv/icmp_socket.h
View File

@ -1,38 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*/
#ifndef _NET_BATMAN_ADV_ICMP_SOCKET_H_
#define _NET_BATMAN_ADV_ICMP_SOCKET_H_
#include "main.h"
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>
#define BATADV_ICMP_SOCKET "socket"
void batadv_socket_setup(struct batadv_priv *bat_priv);
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
void batadv_socket_init(void);
void batadv_socket_receive_packet(struct batadv_icmp_header *icmph,
size_t icmp_len);
#else
static inline void batadv_socket_init(void)
{
}
static inline void
batadv_socket_receive_packet(struct batadv_icmp_header *icmph, size_t icmp_len)
{
}
#endif
#endif /* _NET_BATMAN_ADV_ICMP_SOCKET_H_ */

209
net/batman-adv/log.c
View File

@ -7,214 +7,10 @@
#include "log.h"
#include "main.h"
#include <linux/compiler.h>
#include <linux/debugfs.h>
#include <linux/errno.h>
#include <linux/eventpoll.h>
#include <linux/export.h>
#include <linux/fcntl.h>
#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/poll.h>
#include <linux/sched.h> /* for linux/wait.h */
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/wait.h>
#include <stdarg.h>
#include "debugfs.h"
#include "trace.h"
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1)
static const int batadv_log_buff_len = BATADV_LOG_BUF_LEN;
static char *batadv_log_char_addr(struct batadv_priv_debug_log *debug_log,
size_t idx)
{
return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK];
}
static void batadv_emit_log_char(struct batadv_priv_debug_log *debug_log,
char c)
{
char *char_addr;
char_addr = batadv_log_char_addr(debug_log, debug_log->log_end);
*char_addr = c;
debug_log->log_end++;
if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
debug_log->log_start = debug_log->log_end - batadv_log_buff_len;
}
__printf(2, 3)
static int batadv_fdebug_log(struct batadv_priv_debug_log *debug_log,
const char *fmt, ...)
{
va_list args;
static char debug_log_buf[256];
char *p;
if (!debug_log)
return 0;
spin_lock_bh(&debug_log->lock);
va_start(args, fmt);
vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args);
va_end(args);
for (p = debug_log_buf; *p != 0; p++)
batadv_emit_log_char(debug_log, *p);
spin_unlock_bh(&debug_log->lock);
wake_up(&debug_log->queue_wait);
return 0;
}
static int batadv_log_open(struct inode *inode, struct file *file)
{
if (!try_module_get(THIS_MODULE))
return -EBUSY;
batadv_debugfs_deprecated(file,
"Use tracepoint batadv:batadv_dbg instead\n");
stream_open(inode, file);
file->private_data = inode->i_private;
return 0;
}
static int batadv_log_release(struct inode *inode, struct file *file)
{
module_put(THIS_MODULE);
return 0;
}
static bool batadv_log_empty(struct batadv_priv_debug_log *debug_log)
{
return !(debug_log->log_start - debug_log->log_end);
}
static ssize_t batadv_log_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct batadv_priv *bat_priv = file->private_data;
struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;
int error, i = 0;
char *char_addr;
char c;
if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log))
return -EAGAIN;
if (!buf)
return -EINVAL;
if (count == 0)
return 0;
if (!access_ok(buf, count))
return -EFAULT;
error = wait_event_interruptible(debug_log->queue_wait,
(!batadv_log_empty(debug_log)));
if (error)
return error;
spin_lock_bh(&debug_log->lock);
while ((!error) && (i < count) &&
(debug_log->log_start != debug_log->log_end)) {
char_addr = batadv_log_char_addr(debug_log,
debug_log->log_start);
c = *char_addr;
debug_log->log_start++;
spin_unlock_bh(&debug_log->lock);
error = __put_user(c, buf);
spin_lock_bh(&debug_log->lock);
buf++;
i++;
}
spin_unlock_bh(&debug_log->lock);
if (!error)
return i;
return error;
}
static __poll_t batadv_log_poll(struct file *file, poll_table *wait)
{
struct batadv_priv *bat_priv = file->private_data;
struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;
poll_wait(file, &debug_log->queue_wait, wait);
if (!batadv_log_empty(debug_log))
return EPOLLIN | EPOLLRDNORM;
return 0;
}
static const struct file_operations batadv_log_fops = {
.open = batadv_log_open,
.release = batadv_log_release,
.read = batadv_log_read,
.poll = batadv_log_poll,
.llseek = no_llseek,
.owner = THIS_MODULE,
};
/**
* batadv_debug_log_setup() - Initialize debug log
* @bat_priv: the bat priv with all the soft interface information
*
* Return: 0 on success or negative error number in case of failure
*/
int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{
bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
if (!bat_priv->debug_log)
return -ENOMEM;
spin_lock_init(&bat_priv->debug_log->lock);
init_waitqueue_head(&bat_priv->debug_log->queue_wait);
debugfs_create_file("log", 0400, bat_priv->debug_dir, bat_priv,
&batadv_log_fops);
return 0;
}
/**
* batadv_debug_log_cleanup() - Destroy debug log
* @bat_priv: the bat priv with all the soft interface information
*/
void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{
kfree(bat_priv->debug_log);
bat_priv->debug_log = NULL;
}
#endif /* CONFIG_BATMAN_ADV_DEBUGFS */
/**
* batadv_debug_log() - Add debug log entry
* @bat_priv: the bat priv with all the soft interface information
@ -232,11 +28,6 @@ int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
vaf.fmt = fmt;
vaf.va = &args;
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
batadv_fdebug_log(bat_priv->debug_log, "[%10u] %pV",
jiffies_to_msecs(jiffies), &vaf);
#endif
trace_batadv_dbg(bat_priv, &vaf);
va_end(args);

46
net/batman-adv/main.c
View File

@ -23,12 +23,12 @@
#include <linux/kobject.h>
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/minmax.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/printk.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -44,12 +44,10 @@
#include "bat_iv_ogm.h"
#include "bat_v.h"
#include "bridge_loop_avoidance.h"
#include "debugfs.h"
#include "distributed-arp-table.h"
#include "gateway_client.h"
#include "gateway_common.h"
#include "hard-interface.h"
#include "icmp_socket.h"
#include "log.h"
#include "multicast.h"
#include "netlink.h"
@ -113,9 +111,6 @@ static int __init batadv_init(void)
if (!batadv_event_workqueue)
goto err_create_wq;
batadv_socket_init();
batadv_debugfs_init();
register_netdevice_notifier(&batadv_hard_if_notifier);
rtnl_link_register(&batadv_link_ops);
batadv_netlink_register();
@ -133,7 +128,6 @@ err_create_wq:
static void __exit batadv_exit(void)
{
batadv_debugfs_destroy();
batadv_netlink_unregister();
rtnl_link_unregister(&batadv_link_ops);
unregister_netdevice_notifier(&batadv_hard_if_notifier);
@ -305,44 +299,6 @@ bool batadv_is_my_mac(struct batadv_priv *bat_priv, const u8 *addr)
return is_my_mac;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_seq_print_text_primary_if_get() - called from debugfs table printing
* function that requires the primary interface
* @seq: debugfs table seq_file struct
*
* Return: primary interface if found or NULL otherwise.
*/
struct batadv_hard_iface *
batadv_seq_print_text_primary_if_get(struct seq_file *seq)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
seq_printf(seq,
"BATMAN mesh %s disabled - please specify interfaces to enable it\n",
net_dev->name);
goto out;
}
if (primary_if->if_status == BATADV_IF_ACTIVE)
goto out;
seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name);
batadv_hardif_put(primary_if);
primary_if = NULL;
out:
return primary_if;
}
#endif
/**
* batadv_max_header_len() - calculate maximum encapsulation overhead for a
* payload packet

5
net/batman-adv/main.h
View File

@ -13,7 +13,7 @@
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
#define BATADV_SOURCE_VERSION "2020.4"
#define BATADV_SOURCE_VERSION "2021.0"
#endif
/* B.A.T.M.A.N. parameters */
@ -212,7 +212,6 @@ enum batadv_uev_type {
#include <linux/jiffies.h>
#include <linux/netdevice.h>
#include <linux/percpu.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>
@ -243,8 +242,6 @@ 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);
bool batadv_is_my_mac(struct batadv_priv *bat_priv, const u8 *addr);
struct batadv_hard_iface *
batadv_seq_print_text_primary_if_get(struct seq_file *seq);
int batadv_max_header_len(void);
void batadv_skb_set_priority(struct sk_buff *skb, int offset);
int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,

111
net/batman-adv/multicast.c
View File

@ -33,7 +33,6 @@
#include <linux/printk.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -2074,116 +2073,6 @@ void batadv_mcast_init(struct batadv_priv *bat_priv)
batadv_mcast_start_timer(bat_priv);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_mcast_flags_print_header() - print own mcast flags to debugfs table
* @bat_priv: the bat priv with all the soft interface information
* @seq: debugfs table seq_file struct
*
* Prints our own multicast flags including a more specific reason why
* they are set, that is prints the bridge and querier state too, to
* the debugfs table specified via @seq.
*/
static void batadv_mcast_flags_print_header(struct batadv_priv *bat_priv,
struct seq_file *seq)
{
struct batadv_mcast_mla_flags *mla_flags = &bat_priv->mcast.mla_flags;
char querier4, querier6, shadowing4, shadowing6;
bool bridged = mla_flags->bridged;
u8 flags = mla_flags->tvlv_flags;
if (bridged) {
querier4 = mla_flags->querier_ipv4.exists ? '.' : '4';
querier6 = mla_flags->querier_ipv6.exists ? '.' : '6';
shadowing4 = mla_flags->querier_ipv4.shadowing ? '4' : '.';
shadowing6 = mla_flags->querier_ipv6.shadowing ? '6' : '.';
} else {
querier4 = '?';
querier6 = '?';
shadowing4 = '?';
shadowing6 = '?';
}
seq_printf(seq, "Multicast flags (own flags: [%c%c%c%s%s])\n",
(flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES) ? 'U' : '.',
(flags & BATADV_MCAST_WANT_ALL_IPV4) ? '4' : '.',
(flags & BATADV_MCAST_WANT_ALL_IPV6) ? '6' : '.',
!(flags & BATADV_MCAST_WANT_NO_RTR4) ? "R4" : ". ",
!(flags & BATADV_MCAST_WANT_NO_RTR6) ? "R6" : ". ");
seq_printf(seq, "* Bridged [U]\t\t\t\t%c\n", bridged ? 'U' : '.');
seq_printf(seq, "* No IGMP/MLD Querier [4/6]:\t\t%c/%c\n",
querier4, querier6);
seq_printf(seq, "* Shadowing IGMP/MLD Querier [4/6]:\t%c/%c\n",
shadowing4, shadowing6);
seq_puts(seq, "-------------------------------------------\n");
seq_printf(seq, " %-10s %s\n", "Originator", "Flags");
}
/**
* batadv_mcast_flags_seq_print_text() - print the mcast flags of other nodes
* @seq: seq file to print on
* @offset: not used
*
* This prints a table of (primary) originators and their according
* multicast flags, including (in the header) our own.
*
* Return: always 0
*/
int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct batadv_orig_node *orig_node;
struct hlist_head *head;
u8 flags;
u32 i;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
return 0;
batadv_mcast_flags_print_header(bat_priv, seq);
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
if (!test_bit(BATADV_ORIG_CAPA_HAS_MCAST,
&orig_node->capa_initialized))
continue;
if (!test_bit(BATADV_ORIG_CAPA_HAS_MCAST,
&orig_node->capabilities)) {
seq_printf(seq, "%pM -\n", orig_node->orig);
continue;
}
flags = orig_node->mcast_flags;
seq_printf(seq, "%pM [%c%c%c%s%s]\n", orig_node->orig,
(flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES)
? 'U' : '.',
(flags & BATADV_MCAST_WANT_ALL_IPV4)
? '4' : '.',
(flags & BATADV_MCAST_WANT_ALL_IPV6)
? '6' : '.',
!(flags & BATADV_MCAST_WANT_NO_RTR4)
? "R4" : ". ",
!(flags & BATADV_MCAST_WANT_NO_RTR6)
? "R6" : ". ");
}
rcu_read_unlock();
}
batadv_hardif_put(primary_if);
return 0;
}
#endif
/**
* batadv_mcast_mesh_info_put() - put multicast info into a netlink message
* @msg: buffer for the message

3
net/batman-adv/multicast.h
View File

@ -10,7 +10,6 @@
#include "main.h"
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
/**
@ -56,8 +55,6 @@ int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
void batadv_mcast_init(struct batadv_priv *bat_priv);
int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset);
int batadv_mcast_mesh_info_put(struct sk_buff *msg,
struct batadv_priv *bat_priv);

1
net/batman-adv/netlink.c
View File

@ -23,6 +23,7 @@
#include <linux/kernel.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/minmax.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/printk.h>

87
net/batman-adv/network-coding.c
View File

@ -11,7 +11,6 @@
#include <linux/bitops.h>
#include <linux/byteorder/generic.h>
#include <linux/compiler.h>
#include <linux/debugfs.h>
#include <linux/errno.h>
#include <linux/etherdevice.h>
#include <linux/gfp.h>
@ -30,7 +29,6 @@
#include <linux/printk.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -39,7 +37,6 @@
#include <linux/workqueue.h>
#include <uapi/linux/batadv_packet.h>
#include "hard-interface.h"
#include "hash.h"
#include "log.h"
#include "originator.h"
@ -1876,87 +1873,3 @@ void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
batadv_nc_purge_paths(bat_priv, bat_priv->nc.decoding_hash, NULL);
batadv_hash_destroy(bat_priv->nc.decoding_hash);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_nc_nodes_seq_print_text() - print the nc node information
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
struct batadv_orig_node *orig_node;
struct batadv_nc_node *nc_node;
int i;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
goto out;
/* Traverse list of originators */
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
/* For each orig_node in this bin */
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
/* no need to print the orig node if it does not have
* network coding neighbors
*/
if (list_empty(&orig_node->in_coding_list) &&
list_empty(&orig_node->out_coding_list))
continue;
seq_printf(seq, "Node: %pM\n", orig_node->orig);
seq_puts(seq, " Ingoing: ");
/* For each in_nc_node to this orig_node */
list_for_each_entry_rcu(nc_node,
&orig_node->in_coding_list,
list)
seq_printf(seq, "%pM ",
nc_node->addr);
seq_puts(seq, "\n Outgoing: ");
/* For out_nc_node to this orig_node */
list_for_each_entry_rcu(nc_node,
&orig_node->out_coding_list,
list)
seq_printf(seq, "%pM ",
nc_node->addr);
seq_puts(seq, "\n\n");
}
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
return 0;
}
/**
* batadv_nc_init_debugfs() - create nc folder and related files in debugfs
* @bat_priv: the bat priv with all the soft interface information
*/
void batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
{
struct dentry *nc_dir;
nc_dir = debugfs_create_dir("nc", bat_priv->debug_dir);
debugfs_create_u8("min_tq", 0644, nc_dir, &bat_priv->nc.min_tq);
debugfs_create_u32("max_fwd_delay", 0644, nc_dir,
&bat_priv->nc.max_fwd_delay);
debugfs_create_u32("max_buffer_time", 0644, nc_dir,
&bat_priv->nc.max_buffer_time);
}
#endif

13
net/batman-adv/network-coding.h
View File

@ -10,7 +10,6 @@
#include "main.h"
#include <linux/netdevice.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>
@ -38,8 +37,6 @@ void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
struct sk_buff *skb);
void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
struct sk_buff *skb);
int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
void batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
#else /* ifdef CONFIG_BATMAN_ADV_NC */
@ -104,16 +101,6 @@ batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
{
}
static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
void *offset)
{
return 0;
}
static inline void batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
{
}
#endif /* ifdef CONFIG_BATMAN_ADV_NC */
#endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */

121
net/batman-adv/originator.c
View File

@ -20,7 +20,6 @@
#include <linux/netlink.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -733,42 +732,6 @@ batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
return batadv_neigh_node_create(orig_node, hard_iface, neigh_addr);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_hardif_neigh_seq_print_text() - print the single hop neighbour list
* @seq: neighbour table seq_file struct
* @offset: not used
*
* Return: always 0
*/
int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
return 0;
seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s %s)]\n",
BATADV_SOURCE_VERSION, primary_if->net_dev->name,
primary_if->net_dev->dev_addr, net_dev->name,
bat_priv->algo_ops->name);
batadv_hardif_put(primary_if);
if (!bat_priv->algo_ops->neigh.print) {
seq_puts(seq,
"No printing function for this routing protocol\n");
return 0;
}
bat_priv->algo_ops->neigh.print(bat_priv, seq);
return 0;
}
#endif
/**
* batadv_hardif_neigh_dump() - Dump to netlink the neighbor infos for a
* specific outgoing interface
@ -1382,90 +1345,6 @@ static void batadv_purge_orig(struct work_struct *work)
msecs_to_jiffies(BATADV_ORIG_WORK_PERIOD));
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_orig_seq_print_text() - Print the originator table in a seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
return 0;
seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s %s)]\n",
BATADV_SOURCE_VERSION, primary_if->net_dev->name,
primary_if->net_dev->dev_addr, net_dev->name,
bat_priv->algo_ops->name);
batadv_hardif_put(primary_if);
if (!bat_priv->algo_ops->orig.print) {
seq_puts(seq,
"No printing function for this routing protocol\n");
return 0;
}
bat_priv->algo_ops->orig.print(bat_priv, seq, BATADV_IF_DEFAULT);
return 0;
}
/**
* batadv_orig_hardif_seq_print_text() - writes originator infos for a specific
* outgoing interface
* @seq: debugfs table seq_file struct
* @offset: not used
*
* Return: 0
*/
int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_hard_iface *hard_iface;
struct batadv_priv *bat_priv;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface || !hard_iface->soft_iface) {
seq_puts(seq, "Interface not known to B.A.T.M.A.N.\n");
goto out;
}
bat_priv = netdev_priv(hard_iface->soft_iface);
if (!bat_priv->algo_ops->orig.print) {
seq_puts(seq,
"No printing function for this routing protocol\n");
goto out;
}
if (hard_iface->if_status != BATADV_IF_ACTIVE) {
seq_puts(seq, "Interface not active\n");
goto out;
}
seq_printf(seq, "[B.A.T.M.A.N. adv %s, IF/MAC: %s/%pM (%s %s)]\n",
BATADV_SOURCE_VERSION, hard_iface->net_dev->name,
hard_iface->net_dev->dev_addr,
hard_iface->soft_iface->name, bat_priv->algo_ops->name);
bat_priv->algo_ops->orig.print(bat_priv, seq, hard_iface);
out:
if (hard_iface)
batadv_hardif_put(hard_iface);
return 0;
}
#endif
/**
* batadv_orig_dump() - Dump to netlink the originator infos for a specific
* outgoing interface

4
net/batman-adv/originator.h
View File

@ -13,7 +13,6 @@
#include <linux/if_ether.h>
#include <linux/jhash.h>
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
@ -46,7 +45,6 @@ batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
struct batadv_orig_ifinfo *
batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
@ -56,9 +54,7 @@ batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing);
void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
struct batadv_orig_node_vlan *
batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
unsigned short vid);

10
net/batman-adv/routing.c
View File

@ -29,7 +29,6 @@
#include "distributed-arp-table.h"
#include "fragmentation.h"
#include "hard-interface.h"
#include "icmp_socket.h"
#include "log.h"
#include "network-coding.h"
#include "originator.h"
@ -227,15 +226,6 @@ static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv,
icmph = (struct batadv_icmp_header *)skb->data;
switch (icmph->msg_type) {
case BATADV_ECHO_REPLY:
case BATADV_DESTINATION_UNREACHABLE:
case BATADV_TTL_EXCEEDED:
/* receive the packet */
if (skb_linearize(skb) < 0)
break;
batadv_socket_receive_packet(icmph, skb->len);
break;
case BATADV_ECHO_REQUEST:
/* answer echo request (ping) */
primary_if = batadv_primary_if_get_selected(bat_priv);

137
net/batman-adv/soft-interface.c
View File

@ -30,7 +30,6 @@
#include <linux/random.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/rtnetlink.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/socket.h>
@ -38,12 +37,12 @@
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
#include <net/netlink.h>
#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
#include "bridge_loop_avoidance.h"
#include "debugfs.h"
#include "distributed-arp-table.h"
#include "gateway_client.h"
#include "hard-interface.h"
@ -51,7 +50,6 @@
#include "network-coding.h"
#include "originator.h"
#include "send.h"
#include "sysfs.h"
#include "translation-table.h"
/**
@ -574,7 +572,6 @@ struct batadv_softif_vlan *batadv_softif_vlan_get(struct batadv_priv *bat_priv,
int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
{
struct batadv_softif_vlan *vlan;
int err;
spin_lock_bh(&bat_priv->softif_vlan_list_lock);
@ -601,19 +598,6 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
hlist_add_head_rcu(&vlan->list, &bat_priv->softif_vlan_list);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
/* batadv_sysfs_add_vlan cannot be in the spinlock section due to the
* sleeping behavior of the sysfs functions and the fs_reclaim lock
*/
err = batadv_sysfs_add_vlan(bat_priv->soft_iface, vlan);
if (err) {
/* ref for the function */
batadv_softif_vlan_put(vlan);
/* ref for the list */
batadv_softif_vlan_put(vlan);
return err;
}
/* add a new TT local entry. This one will be marked with the NOPURGE
* flag
*/
@ -641,7 +625,6 @@ static void batadv_softif_destroy_vlan(struct batadv_priv *bat_priv,
batadv_tt_local_remove(bat_priv, bat_priv->soft_iface->dev_addr,
vlan->vid, "vlan interface destroyed", false);
batadv_sysfs_del_vlan(bat_priv, vlan);
batadv_softif_vlan_put(vlan);
}
@ -661,7 +644,6 @@ static int batadv_interface_add_vid(struct net_device *dev, __be16 proto,
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_softif_vlan *vlan;
int ret;
/* only 802.1Q vlans are supported.
* batman-adv does not know how to handle other types
@ -681,17 +663,6 @@ static int batadv_interface_add_vid(struct net_device *dev, __be16 proto,
if (!vlan)
return batadv_softif_create_vlan(bat_priv, vid);
/* recreate the sysfs object if it was already destroyed (and it should
* be since we received a kill_vid() for this vlan
*/
if (!vlan->kobj) {
ret = batadv_sysfs_add_vlan(bat_priv->soft_iface, vlan);
if (ret) {
batadv_softif_vlan_put(vlan);
return ret;
}
}
/* add a new TT local entry. This one will be marked with the NOPURGE
* flag. This must be added again, even if the vlan object already
* exists, because the entry was deleted by kill_vid()
@ -845,22 +816,18 @@ static int batadv_softif_init_late(struct net_device *dev)
batadv_nc_init_bat_priv(bat_priv);
ret = batadv_algo_select(bat_priv, batadv_routing_algo);
if (ret < 0)
goto free_bat_counters;
ret = batadv_debugfs_add_meshif(dev);
if (ret < 0)
goto free_bat_counters;
if (!bat_priv->algo_ops) {
ret = batadv_algo_select(bat_priv, batadv_routing_algo);
if (ret < 0)
goto free_bat_counters;
}
ret = batadv_mesh_init(dev);
if (ret < 0)
goto unreg_debugfs;
goto free_bat_counters;
return 0;
unreg_debugfs:
batadv_debugfs_del_meshif(dev);
free_bat_counters:
free_percpu(bat_priv->bat_counters);
bat_priv->bat_counters = NULL;
@ -914,7 +881,7 @@ static int batadv_softif_slave_del(struct net_device *dev,
if (!hard_iface || hard_iface->soft_iface != dev)
goto out;
batadv_hardif_disable_interface(hard_iface, BATADV_IF_CLEANUP_KEEP);
batadv_hardif_disable_interface(hard_iface);
ret = 0;
out:
@ -1037,7 +1004,6 @@ static const struct ethtool_ops batadv_ethtool_ops = {
*/
static void batadv_softif_free(struct net_device *dev)
{
batadv_debugfs_del_meshif(dev);
batadv_mesh_free(dev);
/* some scheduled RCU callbacks need the bat_priv struct to accomplish
@ -1073,6 +1039,59 @@ static void batadv_softif_init_early(struct net_device *dev)
dev->ethtool_ops = &batadv_ethtool_ops;
}
/**
* batadv_softif_validate() - validate configuration of new batadv link
* @tb: IFLA_INFO_DATA netlink attributes
* @data: enum batadv_ifla_attrs attributes
* @extack: extended ACK report struct
*
* Return: 0 if successful or error otherwise.
*/
static int batadv_softif_validate(struct nlattr *tb[], struct nlattr *data[],
struct netlink_ext_ack *extack)
{
struct batadv_algo_ops *algo_ops;
if (!data)
return 0;
if (data[IFLA_BATADV_ALGO_NAME]) {
algo_ops = batadv_algo_get(nla_data(data[IFLA_BATADV_ALGO_NAME]));
if (!algo_ops)
return -EINVAL;
}
return 0;
}
/**
* batadv_softif_newlink() - pre-initialize and register new batadv link
* @src_net: the applicable net namespace
* @dev: network device to register
* @tb: IFLA_INFO_DATA netlink attributes
* @data: enum batadv_ifla_attrs attributes
* @extack: extended ACK report struct
*
* Return: 0 if successful or error otherwise.
*/
static int batadv_softif_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[],
struct netlink_ext_ack *extack)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
const char *algo_name;
int err;
if (data && data[IFLA_BATADV_ALGO_NAME]) {
algo_name = nla_data(data[IFLA_BATADV_ALGO_NAME]);
err = batadv_algo_select(bat_priv, algo_name);
if (err)
return -EINVAL;
}
return register_netdevice(dev);
}
/**
* batadv_softif_create() - Create and register soft interface
* @net: the applicable net namespace
@ -1105,28 +1124,6 @@ struct net_device *batadv_softif_create(struct net *net, const char *name)
return soft_iface;
}
/**
* batadv_softif_destroy_sysfs() - deletion of batadv_soft_interface via sysfs
* @soft_iface: the to-be-removed batman-adv interface
*/
void batadv_softif_destroy_sysfs(struct net_device *soft_iface)
{
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_softif_vlan *vlan;
ASSERT_RTNL();
/* destroy the "untagged" VLAN */
vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
if (vlan) {
batadv_softif_destroy_vlan(bat_priv, vlan);
batadv_softif_vlan_put(vlan);
}
batadv_sysfs_del_meshif(soft_iface);
unregister_netdevice(soft_iface);
}
/**
* batadv_softif_destroy_netlink() - deletion of batadv_soft_interface via
* netlink
@ -1142,8 +1139,7 @@ static void batadv_softif_destroy_netlink(struct net_device *soft_iface,
list_for_each_entry(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface == soft_iface)
batadv_hardif_disable_interface(hard_iface,
BATADV_IF_CLEANUP_KEEP);
batadv_hardif_disable_interface(hard_iface);
}
/* destroy the "untagged" VLAN */
@ -1153,7 +1149,6 @@ static void batadv_softif_destroy_netlink(struct net_device *soft_iface,
batadv_softif_vlan_put(vlan);
}
batadv_sysfs_del_meshif(soft_iface);
unregister_netdevice_queue(soft_iface, head);
}
@ -1171,9 +1166,17 @@ bool batadv_softif_is_valid(const struct net_device *net_dev)
return false;
}
static const struct nla_policy batadv_ifla_policy[IFLA_BATADV_MAX + 1] = {
[IFLA_BATADV_ALGO_NAME] = { .type = NLA_NUL_STRING },
};
struct rtnl_link_ops batadv_link_ops __read_mostly = {
.kind = "batadv",
.priv_size = sizeof(struct batadv_priv),
.setup = batadv_softif_init_early,
.maxtype = IFLA_BATADV_MAX,
.policy = batadv_ifla_policy,
.validate = batadv_softif_validate,
.newlink = batadv_softif_newlink,
.dellink = batadv_softif_destroy_netlink,
};

1
net/batman-adv/soft-interface.h
View File

@ -20,7 +20,6 @@ void batadv_interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, int hdr_size,
struct batadv_orig_node *orig_node);
struct net_device *batadv_softif_create(struct net *net, const char *name);
void batadv_softif_destroy_sysfs(struct net_device *soft_iface);
bool batadv_softif_is_valid(const struct net_device *net_dev);
extern struct rtnl_link_ops batadv_link_ops;
int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);

1272
net/batman-adv/sysfs.c
View File

File diff suppressed because it is too large Load Diff

93
net/batman-adv/sysfs.h
View File

@ -1,93 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*/
#ifndef _NET_BATMAN_ADV_SYSFS_H_
#define _NET_BATMAN_ADV_SYSFS_H_
#include "main.h"
#include <linux/kobject.h>
#include <linux/netdevice.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
/**
* BATADV_SYSFS_VLAN_SUBDIR_PREFIX - prefix of the subfolder that will be
* created in the sysfs hierarchy for each VLAN interface. The subfolder will
* be named "BATADV_SYSFS_VLAN_SUBDIR_PREFIX%vid".
*/
#define BATADV_SYSFS_VLAN_SUBDIR_PREFIX "vlan"
/**
* struct batadv_attribute - sysfs export helper for batman-adv attributes
*/
struct batadv_attribute {
/** @attr: sysfs attribute file */
struct attribute attr;
/**
* @show: function to export the current attribute's content to sysfs
*/
ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
char *buf);
/**
* @store: function to load new value from character buffer and save it
* in batman-adv attribute
*/
ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
char *buf, size_t count);
};
#ifdef CONFIG_BATMAN_ADV_SYSFS
int batadv_sysfs_add_meshif(struct net_device *dev);
void batadv_sysfs_del_meshif(struct net_device *dev);
int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
struct net_device *dev);
void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
int batadv_sysfs_add_vlan(struct net_device *dev,
struct batadv_softif_vlan *vlan);
void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
struct batadv_softif_vlan *vlan);
#else
static inline int batadv_sysfs_add_meshif(struct net_device *dev)
{
return 0;
}
static inline void batadv_sysfs_del_meshif(struct net_device *dev)
{
}
static inline int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
struct net_device *dev)
{
return 0;
}
static inline void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
{
}
static inline int batadv_sysfs_add_vlan(struct net_device *dev,
struct batadv_softif_vlan *vlan)
{
return 0;
}
static inline void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
struct batadv_softif_vlan *vlan)
{
}
#endif
#endif /* _NET_BATMAN_ADV_SYSFS_H_ */

1
net/batman-adv/tp_meter.c
View File

@ -23,6 +23,7 @@
#include <linux/kthread.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/minmax.h>
#include <linux/netdevice.h>
#include <linux/param.h>
#include <linux/printk.h>

212
net/batman-adv/translation-table.c
View File

@ -30,7 +30,6 @@
#include <linux/netlink.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -1062,84 +1061,6 @@ container_register:
kfree(tt_data);
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_tt_local_seq_print_text() - Print the local tt table in a seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->tt.local_hash;
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_local_entry *tt_local;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
u32 i;
int last_seen_secs;
int last_seen_msecs;
unsigned long last_seen_jiffies;
bool no_purge;
u16 np_flag = BATADV_TT_CLIENT_NOPURGE;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
goto out;
seq_printf(seq,
"Locally retrieved addresses (from %s) announced via TT (TTVN: %u):\n",
net_dev->name, (u8)atomic_read(&bat_priv->tt.vn));
seq_puts(seq,
" Client VID Flags Last seen (CRC )\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry,
head, hash_entry) {
tt_local = container_of(tt_common_entry,
struct batadv_tt_local_entry,
common);
last_seen_jiffies = jiffies - tt_local->last_seen;
last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
last_seen_secs = last_seen_msecs / 1000;
last_seen_msecs = last_seen_msecs % 1000;
no_purge = tt_common_entry->flags & np_flag;
seq_printf(seq,
" * %pM %4i [%c%c%c%c%c%c] %3u.%03u (%#.8x)\n",
tt_common_entry->addr,
batadv_print_vid(tt_common_entry->vid),
((tt_common_entry->flags &
BATADV_TT_CLIENT_ROAM) ? 'R' : '.'),
no_purge ? 'P' : '.',
((tt_common_entry->flags &
BATADV_TT_CLIENT_NEW) ? 'N' : '.'),
((tt_common_entry->flags &
BATADV_TT_CLIENT_PENDING) ? 'X' : '.'),
((tt_common_entry->flags &
BATADV_TT_CLIENT_WIFI) ? 'W' : '.'),
((tt_common_entry->flags &
BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'),
no_purge ? 0 : last_seen_secs,
no_purge ? 0 : last_seen_msecs,
tt_local->vlan->tt.crc);
}
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
return 0;
}
#endif
/**
* batadv_tt_local_dump_entry() - Dump one TT local entry into a message
* @msg :Netlink message to dump into
@ -1879,139 +1800,6 @@ batadv_transtable_best_orig(struct batadv_priv *bat_priv,
return best_entry;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_tt_global_print_entry() - print all orig nodes who announce the
* address for this global entry
* @bat_priv: the bat priv with all the soft interface information
* @tt_global_entry: global translation table entry to be printed
* @seq: debugfs table seq_file struct
*
* This function assumes the caller holds rcu_read_lock().
*/
static void
batadv_tt_global_print_entry(struct batadv_priv *bat_priv,
struct batadv_tt_global_entry *tt_global_entry,
struct seq_file *seq)
{
struct batadv_tt_orig_list_entry *orig_entry, *best_entry;
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_orig_node_vlan *vlan;
struct hlist_head *head;
u8 last_ttvn;
u16 flags;
tt_common_entry = &tt_global_entry->common;
flags = tt_common_entry->flags;
best_entry = batadv_transtable_best_orig(bat_priv, tt_global_entry);
if (best_entry) {
vlan = batadv_orig_node_vlan_get(best_entry->orig_node,
tt_common_entry->vid);
if (!vlan) {
seq_printf(seq,
" * Cannot retrieve VLAN %d for originator %pM\n",
batadv_print_vid(tt_common_entry->vid),
best_entry->orig_node->orig);
goto print_list;
}
last_ttvn = atomic_read(&best_entry->orig_node->last_ttvn);
seq_printf(seq,
" %c %pM %4i (%3u) via %pM (%3u) (%#.8x) [%c%c%c%c]\n",
'*', tt_global_entry->common.addr,
batadv_print_vid(tt_global_entry->common.vid),
best_entry->ttvn, best_entry->orig_node->orig,
last_ttvn, vlan->tt.crc,
((flags & BATADV_TT_CLIENT_ROAM) ? 'R' : '.'),
((flags & BATADV_TT_CLIENT_WIFI) ? 'W' : '.'),
((flags & BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'),
((flags & BATADV_TT_CLIENT_TEMP) ? 'T' : '.'));
batadv_orig_node_vlan_put(vlan);
}
print_list:
head = &tt_global_entry->orig_list;
hlist_for_each_entry_rcu(orig_entry, head, list) {
if (best_entry == orig_entry)
continue;
vlan = batadv_orig_node_vlan_get(orig_entry->orig_node,
tt_common_entry->vid);
if (!vlan) {
seq_printf(seq,
" + Cannot retrieve VLAN %d for originator %pM\n",
batadv_print_vid(tt_common_entry->vid),
orig_entry->orig_node->orig);
continue;
}
last_ttvn = atomic_read(&orig_entry->orig_node->last_ttvn);
seq_printf(seq,
" %c %pM %4d (%3u) via %pM (%3u) (%#.8x) [%c%c%c%c]\n",
'+', tt_global_entry->common.addr,
batadv_print_vid(tt_global_entry->common.vid),
orig_entry->ttvn, orig_entry->orig_node->orig,
last_ttvn, vlan->tt.crc,
((flags & BATADV_TT_CLIENT_ROAM) ? 'R' : '.'),
((flags & BATADV_TT_CLIENT_WIFI) ? 'W' : '.'),
((flags & BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'),
((flags & BATADV_TT_CLIENT_TEMP) ? 'T' : '.'));
batadv_orig_node_vlan_put(vlan);
}
}
/**
* batadv_tt_global_seq_print_text() - Print the global tt table in a seq file
* @seq: seq file to print on
* @offset: not used
*
* Return: always 0
*/
int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->tt.global_hash;
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_global_entry *tt_global;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
u32 i;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
goto out;
seq_printf(seq,
"Globally announced TT entries received via the mesh %s\n",
net_dev->name);
seq_puts(seq,
" Client VID (TTVN) Originator (Curr TTVN) (CRC ) Flags\n");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry,
head, hash_entry) {
tt_global = container_of(tt_common_entry,
struct batadv_tt_global_entry,
common);
batadv_tt_global_print_entry(bat_priv, tt_global, seq);
}
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
return 0;
}
#endif
/**
* batadv_tt_global_dump_subentry() - Dump all TT local entries into a message
* @msg: Netlink message to dump into

3
net/batman-adv/translation-table.h
View File

@ -11,7 +11,6 @@
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>
@ -21,8 +20,6 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
const u8 *addr, unsigned short vid,
const char *message, bool roaming);
int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,

66
net/batman-adv/types.h
View File

@ -21,7 +21,6 @@
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/sched.h> /* for linux/wait.h */
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/timer.h>
@ -187,9 +186,6 @@ struct batadv_hard_iface {
/** @net_dev: pointer to the net_device */
struct net_device *net_dev;
/** @hardif_obj: kobject of the per interface sysfs "mesh" directory */
struct kobject *hardif_obj;
/** @refcount: number of contexts the object is used */
struct kref refcount;
@ -222,13 +218,6 @@ struct batadv_hard_iface {
struct batadv_hard_iface_bat_v bat_v;
#endif
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
*/
struct dentry *debug_dir;
#endif
/**
* @neigh_list: list of unique single hop neighbors via this interface
*/
@ -1306,13 +1295,6 @@ struct batadv_priv_nc {
/** @work: work queue callback item for cleanup */
struct delayed_work work;
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
*/
struct dentry *debug_dir;
#endif
/**
* @min_tq: only consider neighbors for encoding if neigh_tq > min_tq
*/
@ -1512,9 +1494,6 @@ struct batadv_softif_vlan {
/** @vid: VLAN identifier */
unsigned short vid;
/** @kobj: kobject for sysfs vlan subdirectory */
struct kobject *kobj;
/** @ap_isolation: AP isolation state */
atomic_t ap_isolation; /* boolean */
@ -1667,14 +1646,6 @@ struct batadv_priv {
/** @batman_queue_left: number of remaining OGM packet slots */
atomic_t batman_queue_left;
/** @mesh_obj: kobject for sysfs mesh subdirectory */
struct kobject *mesh_obj;
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/** @debug_dir: dentry for debugfs batman-adv subdirectory */
struct dentry *debug_dir;
#endif
/** @forw_bat_list: list of aggregated OGMs that will be forwarded */
struct hlist_head forw_bat_list;
@ -2234,11 +2205,6 @@ struct batadv_algo_neigh_ops {
struct batadv_neigh_node *neigh2,
struct batadv_hard_iface *if_outgoing2);
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/** @print: print the single hop neighbor list (optional) */
void (*print)(struct batadv_priv *priv, struct seq_file *seq);
#endif
/** @dump: dump neighbors to a netlink socket (optional) */
void (*dump)(struct sk_buff *msg, struct netlink_callback *cb,
struct batadv_priv *priv,
@ -2249,12 +2215,6 @@ struct batadv_algo_neigh_ops {
* struct batadv_algo_orig_ops - mesh algorithm callbacks (originator specific)
*/
struct batadv_algo_orig_ops {
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/** @print: print the originator table (optional) */
void (*print)(struct batadv_priv *priv, struct seq_file *seq,
struct batadv_hard_iface *hard_iface);
#endif
/** @dump: dump originators to a netlink socket (optional) */
void (*dump)(struct sk_buff *msg, struct netlink_callback *cb,
struct batadv_priv *priv,
@ -2274,10 +2234,6 @@ struct batadv_algo_gw_ops {
*/
ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff,
size_t count);
/** @show_sel_class: prints the current GW selection class (optional) */
ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff);
/**
* @get_best_gw_node: select the best GW from the list of available
* nodes (optional)
@ -2293,11 +2249,6 @@ struct batadv_algo_gw_ops {
struct batadv_orig_node *curr_gw_orig,
struct batadv_orig_node *orig_node);
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/** @print: print the gateway table (optional) */
void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq);
#endif
/** @dump: dump gateways to a netlink socket (optional) */
void (*dump)(struct sk_buff *msg, struct netlink_callback *cb,
struct batadv_priv *priv);
@ -2456,21 +2407,4 @@ enum batadv_tvlv_handler_flags {
BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2),
};
/**
* struct batadv_store_mesh_work - Work queue item to detach add/del interface
* from sysfs locks
*/
struct batadv_store_mesh_work {
/**
* @net_dev: netdevice to add/remove to/from batman-adv soft-interface
*/
struct net_device *net_dev;
/** @soft_iface_name: name of soft-interface to modify */
char soft_iface_name[IFNAMSIZ];
/** @work: work queue item */
struct work_struct work;
};
#endif /* _NET_BATMAN_ADV_TYPES_H_ */