/*
- * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
#include "translation-table.h"
#include "soft-interface.h"
#include "hard-interface.h"
-#include "types.h"
#include "vis.h"
#include "aggregation.h"
#include "gateway_common.h"
}
/* when do we schedule a forwarded packet to be sent */
-static unsigned long forward_send_time(struct bat_priv *bat_priv)
+static unsigned long forward_send_time(void)
{
return jiffies + msecs_to_jiffies(random32() % (JITTER/2));
}
/* send out an already prepared packet to the given address via the
* specified batman interface */
int send_skb_packet(struct sk_buff *skb,
- struct batman_if *batman_if,
+ struct hard_iface *hard_iface,
uint8_t *dst_addr)
{
struct ethhdr *ethhdr;
- if (batman_if->if_status != IF_ACTIVE)
+ if (hard_iface->if_status != IF_ACTIVE)
goto send_skb_err;
- if (unlikely(!batman_if->net_dev))
+ if (unlikely(!hard_iface->net_dev))
goto send_skb_err;
- if (!(batman_if->net_dev->flags & IFF_UP)) {
+ if (!(hard_iface->net_dev->flags & IFF_UP)) {
pr_warning("Interface %s is not up - can't send packet via "
- "that interface!\n", batman_if->net_dev->name);
+ "that interface!\n", hard_iface->net_dev->name);
goto send_skb_err;
}
skb_reset_mac_header(skb);
ethhdr = (struct ethhdr *) skb_mac_header(skb);
- memcpy(ethhdr->h_source, batman_if->net_dev->dev_addr, ETH_ALEN);
+ memcpy(ethhdr->h_source, hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN);
ethhdr->h_proto = __constant_htons(ETH_P_BATMAN);
skb->priority = TC_PRIO_CONTROL;
skb->protocol = __constant_htons(ETH_P_BATMAN);
- skb->dev = batman_if->net_dev;
+ skb->dev = hard_iface->net_dev;
/* dev_queue_xmit() returns a negative result on error. However on
* congestion and traffic shaping, it drops and returns NET_XMIT_DROP
/* Send a packet to a given interface */
static void send_packet_to_if(struct forw_packet *forw_packet,
- struct batman_if *batman_if)
+ struct hard_iface *hard_iface)
{
- struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
+ struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
char *fwd_str;
uint8_t packet_num;
int16_t buff_pos;
struct batman_packet *batman_packet;
struct sk_buff *skb;
- if (batman_if->if_status != IF_ACTIVE)
+ if (hard_iface->if_status != IF_ACTIVE)
return;
packet_num = 0;
/* we might have aggregated direct link packets with an
* ordinary base packet */
if ((forw_packet->direct_link_flags & (1 << packet_num)) &&
- (forw_packet->if_incoming == batman_if))
+ (forw_packet->if_incoming == hard_iface))
batman_packet->flags |= DIRECTLINK;
else
batman_packet->flags &= ~DIRECTLINK;
batman_packet->tq, batman_packet->ttl,
(batman_packet->flags & DIRECTLINK ?
"on" : "off"),
- batman_if->net_dev->name, batman_if->net_dev->dev_addr);
+ hard_iface->net_dev->name,
+ hard_iface->net_dev->dev_addr);
buff_pos += sizeof(struct batman_packet) +
(batman_packet->num_hna * ETH_ALEN);
/* create clone because function is called more than once */
skb = skb_clone(forw_packet->skb, GFP_ATOMIC);
if (skb)
- send_skb_packet(skb, batman_if, broadcast_addr);
+ send_skb_packet(skb, hard_iface, broadcast_addr);
}
/* send a batman packet */
static void send_packet(struct forw_packet *forw_packet)
{
- struct batman_if *batman_if;
+ struct hard_iface *hard_iface;
struct net_device *soft_iface;
struct bat_priv *bat_priv;
struct batman_packet *batman_packet =
/* broadcast on every interface */
rcu_read_lock();
- list_for_each_entry_rcu(batman_if, &if_list, list) {
- if (batman_if->soft_iface != soft_iface)
+ list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ if (hard_iface->soft_iface != soft_iface)
continue;
- send_packet_to_if(forw_packet, batman_if);
+ send_packet_to_if(forw_packet, hard_iface);
}
rcu_read_unlock();
}
static void rebuild_batman_packet(struct bat_priv *bat_priv,
- struct batman_if *batman_if)
+ struct hard_iface *hard_iface)
{
int new_len;
unsigned char *new_buff;
/* keep old buffer if kmalloc should fail */
if (new_buff) {
- memcpy(new_buff, batman_if->packet_buff,
+ memcpy(new_buff, hard_iface->packet_buff,
sizeof(struct batman_packet));
batman_packet = (struct batman_packet *)new_buff;
new_buff + sizeof(struct batman_packet),
new_len - sizeof(struct batman_packet));
- kfree(batman_if->packet_buff);
- batman_if->packet_buff = new_buff;
- batman_if->packet_len = new_len;
+ kfree(hard_iface->packet_buff);
+ hard_iface->packet_buff = new_buff;
+ hard_iface->packet_len = new_len;
}
}
-void schedule_own_packet(struct batman_if *batman_if)
+void schedule_own_packet(struct hard_iface *hard_iface)
{
- struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
+ struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
unsigned long send_time;
struct batman_packet *batman_packet;
int vis_server;
- if ((batman_if->if_status == IF_NOT_IN_USE) ||
- (batman_if->if_status == IF_TO_BE_REMOVED))
+ if ((hard_iface->if_status == IF_NOT_IN_USE) ||
+ (hard_iface->if_status == IF_TO_BE_REMOVED))
return;
vis_server = atomic_read(&bat_priv->vis_mode);
* outdated packets (especially uninitialized mac addresses) in the
* packet queue
*/
- if (batman_if->if_status == IF_TO_BE_ACTIVATED)
- batman_if->if_status = IF_ACTIVE;
+ if (hard_iface->if_status == IF_TO_BE_ACTIVATED)
+ hard_iface->if_status = IF_ACTIVE;
/* if local hna has changed and interface is a primary interface */
if ((atomic_read(&bat_priv->hna_local_changed)) &&
- (batman_if == bat_priv->primary_if))
- rebuild_batman_packet(bat_priv, batman_if);
+ (hard_iface == bat_priv->primary_if))
+ rebuild_batman_packet(bat_priv, hard_iface);
/**
* NOTE: packet_buff might just have been re-allocated in
* rebuild_batman_packet()
*/
- batman_packet = (struct batman_packet *)batman_if->packet_buff;
+ batman_packet = (struct batman_packet *)hard_iface->packet_buff;
/* change sequence number to network order */
batman_packet->seqno =
- htonl((uint32_t)atomic_read(&batman_if->seqno));
+ htonl((uint32_t)atomic_read(&hard_iface->seqno));
if (vis_server == VIS_TYPE_SERVER_SYNC)
batman_packet->flags |= VIS_SERVER;
else
batman_packet->flags &= ~VIS_SERVER;
- if ((batman_if == bat_priv->primary_if) &&
+ if ((hard_iface == bat_priv->primary_if) &&
(atomic_read(&bat_priv->gw_mode) == GW_MODE_SERVER))
batman_packet->gw_flags =
(uint8_t)atomic_read(&bat_priv->gw_bandwidth);
else
batman_packet->gw_flags = 0;
- atomic_inc(&batman_if->seqno);
+ atomic_inc(&hard_iface->seqno);
- slide_own_bcast_window(batman_if);
+ slide_own_bcast_window(hard_iface);
send_time = own_send_time(bat_priv);
add_bat_packet_to_list(bat_priv,
- batman_if->packet_buff,
- batman_if->packet_len,
- batman_if, 1, send_time);
+ hard_iface->packet_buff,
+ hard_iface->packet_len,
+ hard_iface, 1, send_time);
}
void schedule_forward_packet(struct orig_node *orig_node,
struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
uint8_t directlink, int hna_buff_len,
- struct batman_if *if_incoming)
+ struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
+ struct neigh_node *router;
unsigned char in_tq, in_ttl, tq_avg = 0;
unsigned long send_time;
return;
}
+ router = orig_node_get_router(orig_node);
+
in_tq = batman_packet->tq;
in_ttl = batman_packet->ttl;
/* rebroadcast tq of our best ranking neighbor to ensure the rebroadcast
* of our best tq value */
- if ((orig_node->router) && (orig_node->router->tq_avg != 0)) {
+ if (router && router->tq_avg != 0) {
/* rebroadcast ogm of best ranking neighbor as is */
- if (!compare_orig(orig_node->router->addr, ethhdr->h_source)) {
- batman_packet->tq = orig_node->router->tq_avg;
+ if (!compare_eth(router->addr, ethhdr->h_source)) {
+ batman_packet->tq = router->tq_avg;
- if (orig_node->router->last_ttl)
- batman_packet->ttl = orig_node->router->last_ttl
- - 1;
+ if (router->last_ttl)
+ batman_packet->ttl = router->last_ttl - 1;
}
- tq_avg = orig_node->router->tq_avg;
+ tq_avg = router->tq_avg;
}
+ if (router)
+ neigh_node_free_ref(router);
+
/* apply hop penalty */
batman_packet->tq = hop_penalty(batman_packet->tq, bat_priv);
else
batman_packet->flags &= ~DIRECTLINK;
- send_time = forward_send_time(bat_priv);
+ send_time = forward_send_time();
add_bat_packet_to_list(bat_priv,
(unsigned char *)batman_packet,
sizeof(struct batman_packet) + hna_buff_len,
static void send_outstanding_bcast_packet(struct work_struct *work)
{
- struct batman_if *batman_if;
+ struct hard_iface *hard_iface;
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
struct forw_packet *forw_packet =
/* rebroadcast packet */
rcu_read_lock();
- list_for_each_entry_rcu(batman_if, &if_list, list) {
- if (batman_if->soft_iface != soft_iface)
+ list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
+ if (hard_iface->soft_iface != soft_iface)
continue;
/* send a copy of the saved skb */
skb1 = skb_clone(forw_packet->skb, GFP_ATOMIC);
if (skb1)
- send_skb_packet(skb1, batman_if, broadcast_addr);
+ send_skb_packet(skb1, hard_iface, broadcast_addr);
}
rcu_read_unlock();
}
void purge_outstanding_packets(struct bat_priv *bat_priv,
- struct batman_if *batman_if)
+ struct hard_iface *hard_iface)
{
struct forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node;
- if (batman_if)
+ if (hard_iface)
bat_dbg(DBG_BATMAN, bat_priv,
"purge_outstanding_packets(): %s\n",
- batman_if->net_dev->name);
+ hard_iface->net_dev->name);
else
bat_dbg(DBG_BATMAN, bat_priv,
"purge_outstanding_packets()\n");
* if purge_outstanding_packets() was called with an argmument
* we delete only packets belonging to the given interface
*/
- if ((batman_if) &&
- (forw_packet->if_incoming != batman_if))
+ if ((hard_iface) &&
+ (forw_packet->if_incoming != hard_iface))
continue;
spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
* if purge_outstanding_packets() was called with an argmument
* we delete only packets belonging to the given interface
*/
- if ((batman_if) &&
- (forw_packet->if_incoming != batman_if))
+ if ((hard_iface) &&
+ (forw_packet->if_incoming != hard_iface))
continue;
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
git.openpandora.org / pandora-kernel.git / blobdiff