@@ -20,7 +20,6 @@
*/
#include "main.h"
-#include "bat_ogm.h"
#include "translation-table.h"
#include "ring_buffer.h"
#include "originator.h"
@@ -31,7 +30,7 @@
#include "send.h"
#include "bat_algo.h"
-void bat_ogm_init(struct hard_iface *hard_iface)
+static void bat_iv_ogm_init(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
@@ -48,7 +47,7 @@ void bat_ogm_init(struct hard_iface *hard_iface)
batman_ogm_packet->ttvn = 0;
}
-void bat_ogm_init_primary(struct hard_iface *hard_iface)
+static void bat_iv_ogm_init_primary(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
@@ -57,7 +56,7 @@ void bat_ogm_init_primary(struct hard_iface *hard_iface)
batman_ogm_packet->header.ttl = TTL;
}
-void bat_ogm_update_mac(struct hard_iface *hard_iface)
+static void bat_iv_ogm_update_mac(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
@@ -69,7 +68,7 @@ void bat_ogm_update_mac(struct hard_iface *hard_iface)
}
/* when do we schedule our own ogm to be sent */
-static unsigned long bat_ogm_emit_send_time(const struct bat_priv *bat_priv)
+static unsigned long bat_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
{
return jiffies + msecs_to_jiffies(
atomic_read(&bat_priv->orig_interval) -
@@ -77,7 +76,7 @@ static unsigned long bat_ogm_emit_send_time(const struct bat_priv *bat_priv)
}
/* when do we schedule a ogm packet to be sent */
-static unsigned long bat_ogm_fwd_send_time(void)
+static unsigned long bat_iv_ogm_fwd_send_time(void)
{
return jiffies + msecs_to_jiffies(random32() % (JITTER/2));
}
@@ -90,8 +89,8 @@ static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
}
/* is there another aggregated packet here? */
-static int bat_ogm_aggr_packet(int buff_pos, int packet_len,
- int tt_num_changes)
+static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len,
+ int tt_num_changes)
{
int next_buff_pos = buff_pos + BATMAN_OGM_LEN + tt_len(tt_num_changes);
@@ -100,8 +99,8 @@ static int bat_ogm_aggr_packet(int buff_pos, int packet_len,
}
/* send a batman ogm to a given interface */
-static void bat_ogm_send_to_if(struct forw_packet *forw_packet,
- struct hard_iface *hard_iface)
+static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
+ struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
char *fwd_str;
@@ -118,8 +117,8 @@ static void bat_ogm_send_to_if(struct forw_packet *forw_packet,
batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data;
/* adjust all flags and log packets */
- while (bat_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
- batman_ogm_packet->tt_num_changes)) {
+ while (bat_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
+ batman_ogm_packet->tt_num_changes)) {
/* we might have aggregated direct link packets with an
* ordinary base packet */
@@ -158,7 +157,7 @@ static void bat_ogm_send_to_if(struct forw_packet *forw_packet,
}
/* send a batman ogm packet */
-void bat_ogm_emit(struct forw_packet *forw_packet)
+static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
{
struct hard_iface *hard_iface;
struct net_device *soft_iface;
@@ -217,7 +216,7 @@ void bat_ogm_emit(struct forw_packet *forw_packet)
if (hard_iface->soft_iface != soft_iface)
continue;
- bat_ogm_send_to_if(forw_packet, hard_iface);
+ bat_iv_ogm_send_to_if(forw_packet, hard_iface);
}
rcu_read_unlock();
@@ -227,13 +226,13 @@ out:
}
/* return true if new_packet can be aggregated with forw_packet */
-static bool bat_ogm_can_aggregate(const struct batman_ogm_packet
+static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet
*new_batman_ogm_packet,
- struct bat_priv *bat_priv,
- int packet_len, unsigned long send_time,
- bool directlink,
- const struct hard_iface *if_incoming,
- const struct forw_packet *forw_packet)
+ struct bat_priv *bat_priv,
+ int packet_len, unsigned long send_time,
+ bool directlink,
+ const struct hard_iface *if_incoming,
+ const struct forw_packet *forw_packet)
{
struct batman_ogm_packet *batman_ogm_packet;
int aggregated_bytes = forw_packet->packet_len + packet_len;
@@ -307,11 +306,11 @@ out:
}
/* create a new aggregated packet and add this packet to it */
-static void bat_ogm_aggregate_new(const unsigned char *packet_buff,
- int packet_len, unsigned long send_time,
- bool direct_link,
- struct hard_iface *if_incoming,
- int own_packet)
+static void bat_iv_ogm_aggregate_new(const unsigned char *packet_buff,
+ int packet_len, unsigned long send_time,
+ bool direct_link,
+ struct hard_iface *if_incoming,
+ int own_packet)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct forw_packet *forw_packet_aggr;
@@ -386,9 +385,9 @@ out:
}
/* aggregate a new packet into the existing ogm packet */
-static void bat_ogm_aggregate(struct forw_packet *forw_packet_aggr,
- const unsigned char *packet_buff,
- int packet_len, bool direct_link)
+static void bat_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
+ const unsigned char *packet_buff,
+ int packet_len, bool direct_link)
{
unsigned char *skb_buff;
@@ -403,10 +402,10 @@ static void bat_ogm_aggregate(struct forw_packet *forw_packet_aggr,
(1 << forw_packet_aggr->num_packets);
}
-static void bat_ogm_queue_add(struct bat_priv *bat_priv,
- unsigned char *packet_buff,
- int packet_len, struct hard_iface *if_incoming,
- int own_packet, unsigned long send_time)
+static void bat_iv_ogm_queue_add(struct bat_priv *bat_priv,
+ unsigned char *packet_buff,
+ int packet_len, struct hard_iface *if_incoming,
+ int own_packet, unsigned long send_time)
{
/**
* _aggr -> pointer to the packet we want to aggregate with
@@ -426,11 +425,11 @@ static void bat_ogm_queue_add(struct bat_priv *bat_priv,
if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) {
hlist_for_each_entry(forw_packet_pos, tmp_node,
&bat_priv->forw_bat_list, list) {
- if (bat_ogm_can_aggregate(batman_ogm_packet,
- bat_priv, packet_len,
- send_time, direct_link,
- if_incoming,
- forw_packet_pos)) {
+ if (bat_iv_ogm_can_aggregate(batman_ogm_packet,
+ bat_priv, packet_len,
+ send_time, direct_link,
+ if_incoming,
+ forw_packet_pos)) {
forw_packet_aggr = forw_packet_pos;
break;
}
@@ -452,20 +451,20 @@ static void bat_ogm_queue_add(struct bat_priv *bat_priv,
(atomic_read(&bat_priv->aggregated_ogms)))
send_time += msecs_to_jiffies(MAX_AGGREGATION_MS);
- bat_ogm_aggregate_new(packet_buff, packet_len,
- send_time, direct_link,
- if_incoming, own_packet);
+ bat_iv_ogm_aggregate_new(packet_buff, packet_len,
+ send_time, direct_link,
+ if_incoming, own_packet);
} else {
- bat_ogm_aggregate(forw_packet_aggr, packet_buff, packet_len,
- direct_link);
+ bat_iv_ogm_aggregate(forw_packet_aggr, packet_buff,
+ packet_len, direct_link);
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
}
}
-static void bat_ogm_forward(struct orig_node *orig_node,
- const struct ethhdr *ethhdr,
- struct batman_ogm_packet *batman_ogm_packet,
- int directlink, struct hard_iface *if_incoming)
+static void bat_iv_ogm_forward(struct orig_node *orig_node,
+ const struct ethhdr *ethhdr,
+ struct batman_ogm_packet *batman_ogm_packet,
+ int directlink, struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *router;
@@ -524,12 +523,13 @@ static void bat_ogm_forward(struct orig_node *orig_node,
else
batman_ogm_packet->flags &= ~DIRECTLINK;
- bat_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
- BATMAN_OGM_LEN + tt_len(tt_num_changes),
- if_incoming, 0, bat_ogm_fwd_send_time());
+ bat_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
+ BATMAN_OGM_LEN + tt_len(tt_num_changes),
+ if_incoming, 0, bat_iv_ogm_fwd_send_time());
}
-void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes)
+static void bat_iv_ogm_schedule(struct hard_iface *hard_iface,
+ int tt_num_changes)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batman_ogm_packet *batman_ogm_packet;
@@ -566,21 +566,22 @@ void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes)
atomic_inc(&hard_iface->seqno);
slide_own_bcast_window(hard_iface);
- bat_ogm_queue_add(bat_priv, hard_iface->packet_buff,
- hard_iface->packet_len, hard_iface, 1,
- bat_ogm_emit_send_time(bat_priv));
+ bat_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
+ hard_iface->packet_len, hard_iface, 1,
+ bat_iv_ogm_emit_send_time(bat_priv));
if (primary_if)
hardif_free_ref(primary_if);
}
-static void bat_ogm_orig_update(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- const struct ethhdr *ethhdr,
- const struct batman_ogm_packet
+static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ const struct ethhdr *ethhdr,
+ const struct batman_ogm_packet
*batman_ogm_packet,
- struct hard_iface *if_incoming,
- const unsigned char *tt_buff, int is_duplicate)
+ struct hard_iface *if_incoming,
+ const unsigned char *tt_buff,
+ int is_duplicate)
{
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
struct neigh_node *router = NULL;
@@ -715,10 +716,10 @@ out:
neigh_node_free_ref(router);
}
-static int bat_ogm_calc_tq(struct orig_node *orig_node,
- struct orig_node *orig_neigh_node,
- struct batman_ogm_packet *batman_ogm_packet,
- struct hard_iface *if_incoming)
+static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
+ struct orig_node *orig_neigh_node,
+ struct batman_ogm_packet *batman_ogm_packet,
+ struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node;
@@ -827,10 +828,10 @@ out:
* -1 the packet is old and has been received while the seqno window
* was protected. Caller should drop it.
*/
-static int bat_ogm_update_seqnos(const struct ethhdr *ethhdr,
- const struct batman_ogm_packet
+static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
+ const struct batman_ogm_packet
*batman_ogm_packet,
- const struct hard_iface *if_incoming)
+ const struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct orig_node *orig_node;
@@ -892,10 +893,10 @@ out:
return ret;
}
-static void bat_ogm_process(const struct ethhdr *ethhdr,
- struct batman_ogm_packet *batman_ogm_packet,
- const unsigned char *tt_buff,
- struct hard_iface *if_incoming)
+static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
+ struct batman_ogm_packet *batman_ogm_packet,
+ const unsigned char *tt_buff,
+ struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct hard_iface *hard_iface;
@@ -1033,8 +1034,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
if (!orig_node)
return;
- is_duplicate = bat_ogm_update_seqnos(ethhdr, batman_ogm_packet,
- if_incoming);
+ is_duplicate = bat_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet,
+ if_incoming);
if (is_duplicate == -1) {
bat_dbg(DBG_BATMAN, bat_priv,
@@ -1083,8 +1084,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
goto out_neigh;
}
- is_bidirectional = bat_ogm_calc_tq(orig_node, orig_neigh_node,
- batman_ogm_packet, if_incoming);
+ is_bidirectional = bat_iv_ogm_calc_tq(orig_node, orig_neigh_node,
+ batman_ogm_packet, if_incoming);
bonding_save_primary(orig_node, orig_neigh_node, batman_ogm_packet);
@@ -1094,16 +1095,16 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
(!is_duplicate ||
((orig_node->last_real_seqno == batman_ogm_packet->seqno) &&
(orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl))))
- bat_ogm_orig_update(bat_priv, orig_node, ethhdr,
- batman_ogm_packet, if_incoming,
- tt_buff, is_duplicate);
+ bat_iv_ogm_orig_update(bat_priv, orig_node, ethhdr,
+ batman_ogm_packet, if_incoming,
+ tt_buff, is_duplicate);
/* is single hop (direct) neighbor */
if (is_single_hop_neigh) {
/* mark direct link on incoming interface */
- bat_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
- 1, if_incoming);
+ bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
+ 1, if_incoming);
bat_dbg(DBG_BATMAN, bat_priv, "Forwarding packet: "
"rebroadcast neighbor packet with direct link flag\n");
@@ -1125,7 +1126,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
bat_dbg(DBG_BATMAN, bat_priv,
"Forwarding packet: rebroadcast originator packet\n");
- bat_ogm_forward(orig_node, ethhdr, batman_ogm_packet, 0, if_incoming);
+ bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
+ 0, if_incoming);
out_neigh:
if ((orig_neigh_node) && (!is_single_hop_neigh))
@@ -1141,7 +1143,8 @@ out:
orig_node_free_ref(orig_node);
}
-void bat_ogm_receive(struct hard_iface *if_incoming, struct sk_buff *skb)
+static void bat_iv_ogm_receive(struct hard_iface *if_incoming,
+ struct sk_buff *skb)
{
struct batman_ogm_packet *batman_ogm_packet;
struct ethhdr *ethhdr;
@@ -1162,20 +1165,26 @@ void bat_ogm_receive(struct hard_iface *if_incoming, struct sk_buff *skb)
tt_buff = packet_buff + buff_pos + BATMAN_OGM_LEN;
- bat_ogm_process(ethhdr, batman_ogm_packet,
- tt_buff, if_incoming);
+ bat_iv_ogm_process(ethhdr, batman_ogm_packet,
+ tt_buff, if_incoming);
buff_pos += BATMAN_OGM_LEN +
tt_len(batman_ogm_packet->tt_num_changes);
batman_ogm_packet = (struct batman_ogm_packet *)
(packet_buff + buff_pos);
- } while (bat_ogm_aggr_packet(buff_pos, packet_len,
- batman_ogm_packet->tt_num_changes));
+ } while (bat_iv_ogm_aggr_packet(buff_pos, packet_len,
+ batman_ogm_packet->tt_num_changes));
}
static struct bat_algo_ops batman_iv __read_mostly = {
.name = "BATMAN IV",
+ .bat_ogm_init = bat_iv_ogm_init,
+ .bat_ogm_init_primary = bat_iv_ogm_init_primary,
+ .bat_ogm_update_mac = bat_iv_ogm_update_mac,
+ .bat_ogm_schedule = bat_iv_ogm_schedule,
+ .bat_ogm_emit = bat_iv_ogm_emit,
+ .bat_ogm_receive = bat_iv_ogm_receive,
};
int __init bat_iv_init(void)
deleted file mode 100644
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#ifndef _NET_BATMAN_ADV_OGM_H_
-#define _NET_BATMAN_ADV_OGM_H_
-
-#include "main.h"
-
-void bat_ogm_init(struct hard_iface *hard_iface);
-void bat_ogm_init_primary(struct hard_iface *hard_iface);
-void bat_ogm_update_mac(struct hard_iface *hard_iface);
-void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes);
-void bat_ogm_emit(struct forw_packet *forw_packet);
-void bat_ogm_receive(struct hard_iface *if_incoming, struct sk_buff *skb);
-
-#endif /* _NET_BATMAN_ADV_OGM_H_ */
@@ -28,7 +28,6 @@
#include "bat_sysfs.h"
#include "originator.h"
#include "hash.h"
-#include "bat_ogm.h"
#include <linux/if_arp.h>
@@ -147,7 +146,7 @@ static void primary_if_select(struct bat_priv *bat_priv,
if (!new_hard_iface)
return;
- bat_ogm_init_primary(new_hard_iface);
+ bat_priv->bat_algo_ops->bat_ogm_init_primary(new_hard_iface);
primary_if_update_addr(bat_priv);
}
@@ -233,7 +232,7 @@ static void hardif_activate_interface(struct hard_iface *hard_iface)
bat_priv = netdev_priv(hard_iface->soft_iface);
- bat_ogm_update_mac(hard_iface);
+ bat_priv->bat_algo_ops->bat_ogm_update_mac(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED;
/**
@@ -315,7 +314,7 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
hard_iface->soft_iface = soft_iface;
bat_priv = netdev_priv(hard_iface->soft_iface);
- bat_ogm_init(hard_iface);
+ bat_priv->bat_algo_ops->bat_ogm_init(hard_iface);
if (!hard_iface->packet_buff) {
bat_err(hard_iface->soft_iface, "Can't add interface packet "
@@ -535,9 +534,10 @@ static int hard_if_event(struct notifier_block *this,
goto hardif_put;
check_known_mac_addr(hard_iface->net_dev);
- bat_ogm_update_mac(hard_iface);
bat_priv = netdev_priv(hard_iface->soft_iface);
+ bat_priv->bat_algo_ops->bat_ogm_update_mac(hard_iface);
+
primary_if = primary_if_get_selected(bat_priv);
if (!primary_if)
goto hardif_put;
@@ -206,6 +206,18 @@ int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
goto out;
}
+ /* all algorithms must implement all ops (for now) */
+ if (!bat_algo_ops->bat_ogm_init ||
+ !bat_algo_ops->bat_ogm_init_primary ||
+ !bat_algo_ops->bat_ogm_update_mac ||
+ !bat_algo_ops->bat_ogm_schedule ||
+ !bat_algo_ops->bat_ogm_emit ||
+ !bat_algo_ops->bat_ogm_receive) {
+ pr_info("Routing algo '%s' does not implement required ops\n",
+ bat_algo_ops->name);
+ goto out;
+ }
+
INIT_HLIST_NODE(&bat_algo_ops->list);
hlist_add_head(&bat_algo_ops->list, &bat_algo_list);
ret = 0;
@@ -29,7 +29,6 @@
#include "originator.h"
#include "vis.h"
#include "unicast.h"
-#include "bat_ogm.h"
void slide_own_bcast_window(struct hard_iface *hard_iface)
{
@@ -248,6 +247,7 @@ int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface)
{
+ struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct ethhdr *ethhdr;
/* drop packet if it has not necessary minimum size */
@@ -272,7 +272,7 @@ int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface)
if (skb_linearize(skb) < 0)
return NET_RX_DROP;
- bat_ogm_receive(hard_iface, skb);
+ bat_priv->bat_algo_ops->bat_ogm_receive(hard_iface, skb);
kfree_skb(skb);
return NET_RX_SUCCESS;
@@ -28,7 +28,6 @@
#include "vis.h"
#include "gateway_common.h"
#include "originator.h"
-#include "bat_ogm.h"
static void send_outstanding_bcast_packet(struct work_struct *work);
@@ -168,7 +167,7 @@ void schedule_bat_ogm(struct hard_iface *hard_iface)
if (primary_if)
hardif_free_ref(primary_if);
- bat_ogm_schedule(hard_iface, tt_num_changes);
+ bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface, tt_num_changes);
}
static void forw_packet_free(struct forw_packet *forw_packet)
@@ -318,7 +317,7 @@ void send_outstanding_bat_ogm_packet(struct work_struct *work)
if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING)
goto out;
- bat_ogm_emit(forw_packet);
+ bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet);
/**
* we have to have at least one packet in the queue
@@ -348,6 +348,20 @@ struct softif_neigh {
struct bat_algo_ops {
struct hlist_node list;
char *name;
+ /* init OGM when hard-interface is enabled */
+ void (*bat_ogm_init)(struct hard_iface *hard_iface);
+ /* init primary OGM when primary interface is selected */
+ void (*bat_ogm_init_primary)(struct hard_iface *hard_iface);
+ /* init mac addresses of the OGM belonging to this hard-interface */
+ void (*bat_ogm_update_mac)(struct hard_iface *hard_iface);
+ /* prepare a new outgoing OGM for the send queue */
+ void (*bat_ogm_schedule)(struct hard_iface *hard_iface,
+ int tt_num_changes);
+ /* send scheduled OGM */
+ void (*bat_ogm_emit)(struct forw_packet *forw_packet);
+ /* receive incoming OGM */
+ void (*bat_ogm_receive)(struct hard_iface *if_incoming,
+ struct sk_buff *skb);
};
#endif /* _NET_BATMAN_ADV_TYPES_H_ */