|
@@ -28,11 +28,11 @@
|
|
|
#include "send.h"
|
|
|
#include "bat_algo.h"
|
|
|
|
|
|
-static struct neigh_node *bat_iv_ogm_neigh_new(struct hard_iface *hard_iface,
|
|
|
- const uint8_t *neigh_addr,
|
|
|
- struct orig_node *orig_node,
|
|
|
- struct orig_node *orig_neigh,
|
|
|
- __be32 seqno)
|
|
|
+static struct neigh_node *batadv_iv_ogm_neigh_new(struct hard_iface *hard_iface,
|
|
|
+ const uint8_t *neigh_addr,
|
|
|
+ struct orig_node *orig_node,
|
|
|
+ struct orig_node *orig_neigh,
|
|
|
+ __be32 seqno)
|
|
|
{
|
|
|
struct neigh_node *neigh_node;
|
|
|
|
|
@@ -54,7 +54,7 @@ out:
|
|
|
return neigh_node;
|
|
|
}
|
|
|
|
|
|
-static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
|
|
|
+static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface)
|
|
|
{
|
|
|
struct batman_ogm_packet *batman_ogm_packet;
|
|
|
uint32_t random_seqno;
|
|
@@ -85,13 +85,13 @@ out:
|
|
|
return res;
|
|
|
}
|
|
|
|
|
|
-static void bat_iv_ogm_iface_disable(struct hard_iface *hard_iface)
|
|
|
+static void batadv_iv_ogm_iface_disable(struct hard_iface *hard_iface)
|
|
|
{
|
|
|
kfree(hard_iface->packet_buff);
|
|
|
hard_iface->packet_buff = NULL;
|
|
|
}
|
|
|
|
|
|
-static void bat_iv_ogm_iface_update_mac(struct hard_iface *hard_iface)
|
|
|
+static void batadv_iv_ogm_iface_update_mac(struct hard_iface *hard_iface)
|
|
|
{
|
|
|
struct batman_ogm_packet *batman_ogm_packet;
|
|
|
|
|
@@ -102,7 +102,7 @@ static void bat_iv_ogm_iface_update_mac(struct hard_iface *hard_iface)
|
|
|
hard_iface->net_dev->dev_addr, ETH_ALEN);
|
|
|
}
|
|
|
|
|
|
-static void bat_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
|
|
|
+static void batadv_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
|
|
|
{
|
|
|
struct batman_ogm_packet *batman_ogm_packet;
|
|
|
|
|
@@ -112,7 +112,8 @@ static void bat_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
|
|
|
}
|
|
|
|
|
|
/* when do we schedule our own ogm to be sent */
|
|
|
-static unsigned long bat_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
|
|
|
+static unsigned long
|
|
|
+batadv_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
|
|
|
{
|
|
|
return jiffies + msecs_to_jiffies(
|
|
|
atomic_read(&bat_priv->orig_interval) -
|
|
@@ -120,21 +121,21 @@ static unsigned long bat_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
|
|
|
}
|
|
|
|
|
|
/* when do we schedule a ogm packet to be sent */
|
|
|
-static unsigned long bat_iv_ogm_fwd_send_time(void)
|
|
|
+static unsigned long batadv_iv_ogm_fwd_send_time(void)
|
|
|
{
|
|
|
return jiffies + msecs_to_jiffies(random32() % (JITTER/2));
|
|
|
}
|
|
|
|
|
|
/* apply hop penalty for a normal link */
|
|
|
-static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
|
|
|
+static uint8_t batadv_hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
|
|
|
{
|
|
|
int hop_penalty = atomic_read(&bat_priv->hop_penalty);
|
|
|
return (tq * (TQ_MAX_VALUE - hop_penalty)) / (TQ_MAX_VALUE);
|
|
|
}
|
|
|
|
|
|
/* is there another aggregated packet here? */
|
|
|
-static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len,
|
|
|
- int tt_num_changes)
|
|
|
+static int batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len,
|
|
|
+ int tt_num_changes)
|
|
|
{
|
|
|
int next_buff_pos = 0;
|
|
|
|
|
@@ -146,7 +147,7 @@ static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len,
|
|
|
}
|
|
|
|
|
|
/* send a batman ogm to a given interface */
|
|
|
-static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
|
|
|
+static void batadv_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);
|
|
@@ -164,8 +165,8 @@ static void bat_iv_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_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
|
|
|
- batman_ogm_packet->tt_num_changes)) {
|
|
|
+ while (batadv_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
|
|
@@ -179,16 +180,16 @@ static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
|
|
|
fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
|
|
|
"Sending own" :
|
|
|
"Forwarding"));
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "%s %spacket (originator %pM, seqno %u, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n",
|
|
|
- fwd_str, (packet_num > 0 ? "aggregated " : ""),
|
|
|
- batman_ogm_packet->orig,
|
|
|
- ntohl(batman_ogm_packet->seqno),
|
|
|
- batman_ogm_packet->tq, batman_ogm_packet->header.ttl,
|
|
|
- (batman_ogm_packet->flags & DIRECTLINK ?
|
|
|
- "on" : "off"),
|
|
|
- batman_ogm_packet->ttvn, hard_iface->net_dev->name,
|
|
|
- hard_iface->net_dev->dev_addr);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "%s %spacket (originator %pM, seqno %u, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n",
|
|
|
+ fwd_str, (packet_num > 0 ? "aggregated " : ""),
|
|
|
+ batman_ogm_packet->orig,
|
|
|
+ ntohl(batman_ogm_packet->seqno),
|
|
|
+ batman_ogm_packet->tq, batman_ogm_packet->header.ttl,
|
|
|
+ (batman_ogm_packet->flags & DIRECTLINK ?
|
|
|
+ "on" : "off"),
|
|
|
+ batman_ogm_packet->ttvn, hard_iface->net_dev->name,
|
|
|
+ hard_iface->net_dev->dev_addr);
|
|
|
|
|
|
buff_pos += BATMAN_OGM_HLEN;
|
|
|
buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes);
|
|
@@ -208,7 +209,7 @@ static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
|
|
|
}
|
|
|
|
|
|
/* send a batman ogm packet */
|
|
|
-static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
|
|
|
+static void batadv_iv_ogm_emit(struct forw_packet *forw_packet)
|
|
|
{
|
|
|
struct hard_iface *hard_iface;
|
|
|
struct net_device *soft_iface;
|
|
@@ -232,7 +233,7 @@ static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
|
|
|
if (forw_packet->if_incoming->if_status != IF_ACTIVE)
|
|
|
goto out;
|
|
|
|
|
|
- primary_if = primary_if_get_selected(bat_priv);
|
|
|
+ primary_if = batadv_primary_if_get_selected(bat_priv);
|
|
|
if (!primary_if)
|
|
|
goto out;
|
|
|
|
|
@@ -243,14 +244,14 @@ static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
|
|
|
(forw_packet->own && (forw_packet->if_incoming != primary_if))) {
|
|
|
|
|
|
/* FIXME: what about aggregated packets ? */
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "%s packet (originator %pM, seqno %u, TTL %d) on interface %s [%pM]\n",
|
|
|
- (forw_packet->own ? "Sending own" : "Forwarding"),
|
|
|
- batman_ogm_packet->orig,
|
|
|
- ntohl(batman_ogm_packet->seqno),
|
|
|
- batman_ogm_packet->header.ttl,
|
|
|
- forw_packet->if_incoming->net_dev->name,
|
|
|
- forw_packet->if_incoming->net_dev->dev_addr);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "%s packet (originator %pM, seqno %u, TTL %d) on interface %s [%pM]\n",
|
|
|
+ (forw_packet->own ? "Sending own" : "Forwarding"),
|
|
|
+ batman_ogm_packet->orig,
|
|
|
+ ntohl(batman_ogm_packet->seqno),
|
|
|
+ batman_ogm_packet->header.ttl,
|
|
|
+ forw_packet->if_incoming->net_dev->name,
|
|
|
+ forw_packet->if_incoming->net_dev->dev_addr);
|
|
|
|
|
|
/* skb is only used once and than forw_packet is free'd */
|
|
|
batadv_send_skb_packet(forw_packet->skb,
|
|
@@ -267,23 +268,23 @@ static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
|
|
|
if (hard_iface->soft_iface != soft_iface)
|
|
|
continue;
|
|
|
|
|
|
- bat_iv_ogm_send_to_if(forw_packet, hard_iface);
|
|
|
+ batadv_iv_ogm_send_to_if(forw_packet, hard_iface);
|
|
|
}
|
|
|
rcu_read_unlock();
|
|
|
|
|
|
out:
|
|
|
if (primary_if)
|
|
|
- hardif_free_ref(primary_if);
|
|
|
+ batadv_hardif_free_ref(primary_if);
|
|
|
}
|
|
|
|
|
|
/* return true if new_packet can be aggregated with forw_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)
|
|
|
+static bool
|
|
|
+batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_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 batman_ogm_packet *batman_ogm_packet;
|
|
|
int aggregated_bytes = forw_packet->packet_len + packet_len;
|
|
@@ -311,7 +312,7 @@ static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet
|
|
|
* a "global" packet as well as the base
|
|
|
* packet
|
|
|
*/
|
|
|
- primary_if = primary_if_get_selected(bat_priv);
|
|
|
+ primary_if = batadv_primary_if_get_selected(bat_priv);
|
|
|
if (!primary_if)
|
|
|
goto out;
|
|
|
|
|
@@ -335,7 +336,7 @@ static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet
|
|
|
* interface only - we still can aggregate
|
|
|
*/
|
|
|
if ((directlink) &&
|
|
|
- (new_batman_ogm_packet->header.ttl == 1) &&
|
|
|
+ (new_bat_ogm_packet->header.ttl == 1) &&
|
|
|
(forw_packet->if_incoming == if_incoming) &&
|
|
|
|
|
|
/* packets from direct neighbors or
|
|
@@ -352,16 +353,16 @@ static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet
|
|
|
|
|
|
out:
|
|
|
if (primary_if)
|
|
|
- hardif_free_ref(primary_if);
|
|
|
+ batadv_hardif_free_ref(primary_if);
|
|
|
return res;
|
|
|
}
|
|
|
|
|
|
/* create a new aggregated packet and add this packet to it */
|
|
|
-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)
|
|
|
+static void batadv_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;
|
|
@@ -373,8 +374,8 @@ static void bat_iv_ogm_aggregate_new(const unsigned char *packet_buff,
|
|
|
/* own packet should always be scheduled */
|
|
|
if (!own_packet) {
|
|
|
if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "batman packet queue full\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "batman packet queue full\n");
|
|
|
goto out;
|
|
|
}
|
|
|
}
|
|
@@ -431,13 +432,13 @@ static void bat_iv_ogm_aggregate_new(const unsigned char *packet_buff,
|
|
|
|
|
|
return;
|
|
|
out:
|
|
|
- hardif_free_ref(if_incoming);
|
|
|
+ batadv_hardif_free_ref(if_incoming);
|
|
|
}
|
|
|
|
|
|
/* aggregate a new packet into the existing ogm packet */
|
|
|
-static void bat_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
|
|
|
- const unsigned char *packet_buff,
|
|
|
- int packet_len, bool direct_link)
|
|
|
+static void batadv_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
|
|
|
+ const unsigned char *packet_buff,
|
|
|
+ int packet_len, bool direct_link)
|
|
|
{
|
|
|
unsigned char *skb_buff;
|
|
|
|
|
@@ -452,10 +453,11 @@ static void bat_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
|
|
|
(1 << forw_packet_aggr->num_packets);
|
|
|
}
|
|
|
|
|
|
-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)
|
|
|
+static void batadv_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
|
|
|
* _pos -> pointer to the position in the queue
|
|
@@ -474,11 +476,11 @@ static void bat_iv_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_iv_ogm_can_aggregate(batman_ogm_packet,
|
|
|
- bat_priv, packet_len,
|
|
|
- send_time, direct_link,
|
|
|
- if_incoming,
|
|
|
- forw_packet_pos)) {
|
|
|
+ if (batadv_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;
|
|
|
}
|
|
@@ -500,28 +502,28 @@ static void bat_iv_ogm_queue_add(struct bat_priv *bat_priv,
|
|
|
(atomic_read(&bat_priv->aggregated_ogms)))
|
|
|
send_time += msecs_to_jiffies(MAX_AGGREGATION_MS);
|
|
|
|
|
|
- bat_iv_ogm_aggregate_new(packet_buff, packet_len,
|
|
|
- send_time, direct_link,
|
|
|
- if_incoming, own_packet);
|
|
|
+ batadv_iv_ogm_aggregate_new(packet_buff, packet_len,
|
|
|
+ send_time, direct_link,
|
|
|
+ if_incoming, own_packet);
|
|
|
} else {
|
|
|
- bat_iv_ogm_aggregate(forw_packet_aggr, packet_buff,
|
|
|
- packet_len, direct_link);
|
|
|
+ batadv_iv_ogm_aggregate(forw_packet_aggr, packet_buff,
|
|
|
+ packet_len, direct_link);
|
|
|
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
-static void bat_iv_ogm_forward(struct orig_node *orig_node,
|
|
|
- const struct ethhdr *ethhdr,
|
|
|
- struct batman_ogm_packet *batman_ogm_packet,
|
|
|
- bool is_single_hop_neigh,
|
|
|
- bool is_from_best_next_hop,
|
|
|
- struct hard_iface *if_incoming)
|
|
|
+static void batadv_iv_ogm_forward(struct orig_node *orig_node,
|
|
|
+ const struct ethhdr *ethhdr,
|
|
|
+ struct batman_ogm_packet *batman_ogm_packet,
|
|
|
+ bool is_single_hop_neigh,
|
|
|
+ bool is_from_best_next_hop,
|
|
|
+ struct hard_iface *if_incoming)
|
|
|
{
|
|
|
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
|
|
|
uint8_t tt_num_changes;
|
|
|
|
|
|
if (batman_ogm_packet->header.ttl <= 1) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
|
|
|
return;
|
|
|
}
|
|
|
|
|
@@ -544,11 +546,12 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node,
|
|
|
memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
|
|
|
|
|
|
/* apply hop penalty */
|
|
|
- batman_ogm_packet->tq = hop_penalty(batman_ogm_packet->tq, bat_priv);
|
|
|
+ batman_ogm_packet->tq = batadv_hop_penalty(batman_ogm_packet->tq,
|
|
|
+ bat_priv);
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Forwarding packet: tq: %i, ttl: %i\n",
|
|
|
- batman_ogm_packet->tq, batman_ogm_packet->header.ttl);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Forwarding packet: tq: %i, ttl: %i\n",
|
|
|
+ batman_ogm_packet->tq, batman_ogm_packet->header.ttl);
|
|
|
|
|
|
/* switch of primaries first hop flag when forwarding */
|
|
|
batman_ogm_packet->flags &= ~PRIMARIES_FIRST_HOP;
|
|
@@ -557,12 +560,12 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node,
|
|
|
else
|
|
|
batman_ogm_packet->flags &= ~DIRECTLINK;
|
|
|
|
|
|
- bat_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
|
|
|
- BATMAN_OGM_HLEN + batadv_tt_len(tt_num_changes),
|
|
|
- if_incoming, 0, bat_iv_ogm_fwd_send_time());
|
|
|
+ batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
|
|
|
+ BATMAN_OGM_HLEN + batadv_tt_len(tt_num_changes),
|
|
|
+ if_incoming, 0, batadv_iv_ogm_fwd_send_time());
|
|
|
}
|
|
|
|
|
|
-static void bat_iv_ogm_schedule(struct hard_iface *hard_iface)
|
|
|
+static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface)
|
|
|
{
|
|
|
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
|
|
|
struct batman_ogm_packet *batman_ogm_packet;
|
|
@@ -570,7 +573,7 @@ static void bat_iv_ogm_schedule(struct hard_iface *hard_iface)
|
|
|
int vis_server, tt_num_changes = 0;
|
|
|
|
|
|
vis_server = atomic_read(&bat_priv->vis_mode);
|
|
|
- primary_if = primary_if_get_selected(bat_priv);
|
|
|
+ primary_if = batadv_primary_if_get_selected(bat_priv);
|
|
|
|
|
|
if (hard_iface == primary_if)
|
|
|
tt_num_changes = batadv_tt_append_diff(bat_priv,
|
|
@@ -603,38 +606,40 @@ static void bat_iv_ogm_schedule(struct hard_iface *hard_iface)
|
|
|
batman_ogm_packet->gw_flags = NO_FLAGS;
|
|
|
|
|
|
batadv_slide_own_bcast_window(hard_iface);
|
|
|
- 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));
|
|
|
+ batadv_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
|
|
|
+ hard_iface->packet_len, hard_iface, 1,
|
|
|
+ batadv_iv_ogm_emit_send_time(bat_priv));
|
|
|
|
|
|
if (primary_if)
|
|
|
- hardif_free_ref(primary_if);
|
|
|
+ batadv_hardif_free_ref(primary_if);
|
|
|
}
|
|
|
|
|
|
-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)
|
|
|
+static void
|
|
|
+batadv_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 neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
|
|
|
struct neigh_node *router = NULL;
|
|
|
struct orig_node *orig_node_tmp;
|
|
|
struct hlist_node *node;
|
|
|
uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
|
|
|
+ uint8_t *neigh_addr;
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "update_originator(): Searching and updating originator entry of received packet\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "update_originator(): Searching and updating originator entry of received packet\n");
|
|
|
|
|
|
rcu_read_lock();
|
|
|
hlist_for_each_entry_rcu(tmp_neigh_node, node,
|
|
|
&orig_node->neigh_list, list) {
|
|
|
- if (compare_eth(tmp_neigh_node->addr, ethhdr->h_source) &&
|
|
|
- (tmp_neigh_node->if_incoming == if_incoming) &&
|
|
|
- atomic_inc_not_zero(&tmp_neigh_node->refcount)) {
|
|
|
+ neigh_addr = tmp_neigh_node->addr;
|
|
|
+ if (batadv_compare_eth(neigh_addr, ethhdr->h_source) &&
|
|
|
+ tmp_neigh_node->if_incoming == if_incoming &&
|
|
|
+ atomic_inc_not_zero(&tmp_neigh_node->refcount)) {
|
|
|
if (neigh_node)
|
|
|
batadv_neigh_node_free_ref(neigh_node);
|
|
|
neigh_node = tmp_neigh_node;
|
|
@@ -659,16 +664,17 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
|
|
|
if (!orig_tmp)
|
|
|
goto unlock;
|
|
|
|
|
|
- neigh_node = bat_iv_ogm_neigh_new(if_incoming, ethhdr->h_source,
|
|
|
- orig_node, orig_tmp,
|
|
|
- batman_ogm_packet->seqno);
|
|
|
+ neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
|
|
|
+ ethhdr->h_source,
|
|
|
+ orig_node, orig_tmp,
|
|
|
+ batman_ogm_packet->seqno);
|
|
|
|
|
|
batadv_orig_node_free_ref(orig_tmp);
|
|
|
if (!neigh_node)
|
|
|
goto unlock;
|
|
|
} else
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Updating existing last-hop neighbor of originator\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Updating existing last-hop neighbor of originator\n");
|
|
|
|
|
|
rcu_read_unlock();
|
|
|
|
|
@@ -757,10 +763,10 @@ out:
|
|
|
batadv_neigh_node_free_ref(router);
|
|
|
}
|
|
|
|
|
|
-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)
|
|
|
+static int batadv_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;
|
|
@@ -774,7 +780,8 @@ static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
|
|
|
hlist_for_each_entry_rcu(tmp_neigh_node, node,
|
|
|
&orig_neigh_node->neigh_list, list) {
|
|
|
|
|
|
- if (!compare_eth(tmp_neigh_node->addr, orig_neigh_node->orig))
|
|
|
+ if (!batadv_compare_eth(tmp_neigh_node->addr,
|
|
|
+ orig_neigh_node->orig))
|
|
|
continue;
|
|
|
|
|
|
if (tmp_neigh_node->if_incoming != if_incoming)
|
|
@@ -789,11 +796,11 @@ static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
|
|
|
rcu_read_unlock();
|
|
|
|
|
|
if (!neigh_node)
|
|
|
- neigh_node = bat_iv_ogm_neigh_new(if_incoming,
|
|
|
- orig_neigh_node->orig,
|
|
|
- orig_neigh_node,
|
|
|
- orig_neigh_node,
|
|
|
- batman_ogm_packet->seqno);
|
|
|
+ neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
|
|
|
+ orig_neigh_node->orig,
|
|
|
+ orig_neigh_node,
|
|
|
+ orig_neigh_node,
|
|
|
+ batman_ogm_packet->seqno);
|
|
|
|
|
|
if (!neigh_node)
|
|
|
goto out;
|
|
@@ -844,10 +851,11 @@ static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
|
|
|
* tq_asym_penalty) /
|
|
|
(TQ_MAX_VALUE * TQ_MAX_VALUE));
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
|
|
|
- orig_node->orig, orig_neigh_node->orig, total_count,
|
|
|
- neigh_rq_count, tq_own, tq_asym_penalty, batman_ogm_packet->tq);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
|
|
|
+ orig_node->orig, orig_neigh_node->orig, total_count,
|
|
|
+ neigh_rq_count, tq_own,
|
|
|
+ tq_asym_penalty, batman_ogm_packet->tq);
|
|
|
|
|
|
/* if link has the minimum required transmission quality
|
|
|
* consider it bidirectional
|
|
@@ -869,10 +877,10 @@ out:
|
|
|
* -1 the packet is old and has been received while the seqno window
|
|
|
* was protected. Caller should drop it.
|
|
|
*/
|
|
|
-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)
|
|
|
+static int
|
|
|
+batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
|
|
|
+ const struct batman_ogm_packet *batman_ogm_packet,
|
|
|
+ const struct hard_iface *if_incoming)
|
|
|
{
|
|
|
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
|
|
|
struct orig_node *orig_node;
|
|
@@ -883,6 +891,7 @@ static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
|
|
|
int need_update = 0;
|
|
|
int set_mark, ret = -1;
|
|
|
uint32_t seqno = ntohl(batman_ogm_packet->seqno);
|
|
|
+ uint8_t *neigh_addr;
|
|
|
|
|
|
orig_node = batadv_get_orig_node(bat_priv, batman_ogm_packet->orig);
|
|
|
if (!orig_node)
|
|
@@ -901,12 +910,13 @@ static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
|
|
|
hlist_for_each_entry_rcu(tmp_neigh_node, node,
|
|
|
&orig_node->neigh_list, list) {
|
|
|
|
|
|
- is_duplicate |= bat_test_bit(tmp_neigh_node->real_bits,
|
|
|
- orig_node->last_real_seqno,
|
|
|
- seqno);
|
|
|
+ is_duplicate |= batadv_test_bit(tmp_neigh_node->real_bits,
|
|
|
+ orig_node->last_real_seqno,
|
|
|
+ seqno);
|
|
|
|
|
|
- if (compare_eth(tmp_neigh_node->addr, ethhdr->h_source) &&
|
|
|
- (tmp_neigh_node->if_incoming == if_incoming))
|
|
|
+ neigh_addr = tmp_neigh_node->addr;
|
|
|
+ if (batadv_compare_eth(neigh_addr, ethhdr->h_source) &&
|
|
|
+ tmp_neigh_node->if_incoming == if_incoming)
|
|
|
set_mark = 1;
|
|
|
else
|
|
|
set_mark = 0;
|
|
@@ -923,9 +933,9 @@ static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
|
|
|
rcu_read_unlock();
|
|
|
|
|
|
if (need_update) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "updating last_seqno: old %u, new %u\n",
|
|
|
- orig_node->last_real_seqno, seqno);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "updating last_seqno: old %u, new %u\n",
|
|
|
+ orig_node->last_real_seqno, seqno);
|
|
|
orig_node->last_real_seqno = seqno;
|
|
|
}
|
|
|
|
|
@@ -937,10 +947,10 @@ out:
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
-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)
|
|
|
+static void batadv_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;
|
|
@@ -949,11 +959,12 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
struct neigh_node *orig_neigh_router = NULL;
|
|
|
int has_directlink_flag;
|
|
|
int is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
|
|
|
- int is_broadcast = 0, is_bidirectional;
|
|
|
+ int is_broadcast = 0, is_bidirect;
|
|
|
bool is_single_hop_neigh = false;
|
|
|
bool is_from_best_next_hop = false;
|
|
|
- int is_duplicate;
|
|
|
+ int is_duplicate, sameseq, simlar_ttl;
|
|
|
uint32_t if_incoming_seqno;
|
|
|
+ uint8_t *prev_sender;
|
|
|
|
|
|
/* Silently drop when the batman packet is actually not a
|
|
|
* correct packet.
|
|
@@ -975,18 +986,19 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
|
|
|
has_directlink_flag = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0);
|
|
|
|
|
|
- if (compare_eth(ethhdr->h_source, batman_ogm_packet->orig))
|
|
|
+ if (batadv_compare_eth(ethhdr->h_source, batman_ogm_packet->orig))
|
|
|
is_single_hop_neigh = true;
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %u, ttvn %u, crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n",
|
|
|
- ethhdr->h_source, if_incoming->net_dev->name,
|
|
|
- if_incoming->net_dev->dev_addr, batman_ogm_packet->orig,
|
|
|
- batman_ogm_packet->prev_sender, ntohl(batman_ogm_packet->seqno),
|
|
|
- batman_ogm_packet->ttvn, ntohs(batman_ogm_packet->tt_crc),
|
|
|
- batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq,
|
|
|
- batman_ogm_packet->header.ttl,
|
|
|
- batman_ogm_packet->header.version, has_directlink_flag);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %u, ttvn %u, crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n",
|
|
|
+ ethhdr->h_source, if_incoming->net_dev->name,
|
|
|
+ if_incoming->net_dev->dev_addr, batman_ogm_packet->orig,
|
|
|
+ batman_ogm_packet->prev_sender,
|
|
|
+ ntohl(batman_ogm_packet->seqno), batman_ogm_packet->ttvn,
|
|
|
+ ntohs(batman_ogm_packet->tt_crc),
|
|
|
+ batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq,
|
|
|
+ batman_ogm_packet->header.ttl,
|
|
|
+ batman_ogm_packet->header.version, has_directlink_flag);
|
|
|
|
|
|
rcu_read_lock();
|
|
|
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
|
|
@@ -996,16 +1008,16 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
if (hard_iface->soft_iface != if_incoming->soft_iface)
|
|
|
continue;
|
|
|
|
|
|
- if (compare_eth(ethhdr->h_source,
|
|
|
- hard_iface->net_dev->dev_addr))
|
|
|
+ if (batadv_compare_eth(ethhdr->h_source,
|
|
|
+ hard_iface->net_dev->dev_addr))
|
|
|
is_my_addr = 1;
|
|
|
|
|
|
- if (compare_eth(batman_ogm_packet->orig,
|
|
|
- hard_iface->net_dev->dev_addr))
|
|
|
+ if (batadv_compare_eth(batman_ogm_packet->orig,
|
|
|
+ hard_iface->net_dev->dev_addr))
|
|
|
is_my_orig = 1;
|
|
|
|
|
|
- if (compare_eth(batman_ogm_packet->prev_sender,
|
|
|
- hard_iface->net_dev->dev_addr))
|
|
|
+ if (batadv_compare_eth(batman_ogm_packet->prev_sender,
|
|
|
+ hard_iface->net_dev->dev_addr))
|
|
|
is_my_oldorig = 1;
|
|
|
|
|
|
if (is_broadcast_ether_addr(ethhdr->h_source))
|
|
@@ -1014,29 +1026,30 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
rcu_read_unlock();
|
|
|
|
|
|
if (batman_ogm_packet->header.version != COMPAT_VERSION) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: incompatible batman version (%i)\n",
|
|
|
- batman_ogm_packet->header.version);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: incompatible batman version (%i)\n",
|
|
|
+ batman_ogm_packet->header.version);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (is_my_addr) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: received my own broadcast (sender: %pM)\n",
|
|
|
- ethhdr->h_source);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: received my own broadcast (sender: %pM)\n",
|
|
|
+ ethhdr->h_source);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (is_broadcast) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n",
|
|
|
- ethhdr->h_source);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n",
|
|
|
+ ethhdr->h_source);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (is_my_orig) {
|
|
|
unsigned long *word;
|
|
|
int offset;
|
|
|
+ int32_t bit_pos;
|
|
|
|
|
|
orig_neigh_node = batadv_get_orig_node(bat_priv,
|
|
|
ethhdr->h_source);
|
|
@@ -1048,37 +1061,37 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
* save packet seqno for bidirectional check
|
|
|
*/
|
|
|
if (has_directlink_flag &&
|
|
|
- compare_eth(if_incoming->net_dev->dev_addr,
|
|
|
- batman_ogm_packet->orig)) {
|
|
|
+ batadv_compare_eth(if_incoming->net_dev->dev_addr,
|
|
|
+ batman_ogm_packet->orig)) {
|
|
|
offset = if_incoming->if_num * NUM_WORDS;
|
|
|
|
|
|
spin_lock_bh(&orig_neigh_node->ogm_cnt_lock);
|
|
|
word = &(orig_neigh_node->bcast_own[offset]);
|
|
|
- bat_set_bit(word,
|
|
|
- if_incoming_seqno -
|
|
|
- ntohl(batman_ogm_packet->seqno) - 2);
|
|
|
+ bit_pos = if_incoming_seqno - 2;
|
|
|
+ bit_pos -= ntohl(batman_ogm_packet->seqno);
|
|
|
+ batadv_set_bit(word, bit_pos);
|
|
|
orig_neigh_node->bcast_own_sum[if_incoming->if_num] =
|
|
|
bitmap_weight(word, TQ_LOCAL_WINDOW_SIZE);
|
|
|
spin_unlock_bh(&orig_neigh_node->ogm_cnt_lock);
|
|
|
}
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: originator packet from myself (via neighbor)\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: originator packet from myself (via neighbor)\n");
|
|
|
batadv_orig_node_free_ref(orig_neigh_node);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (is_my_oldorig) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n",
|
|
|
- ethhdr->h_source);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n",
|
|
|
+ ethhdr->h_source);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (batman_ogm_packet->flags & NOT_BEST_NEXT_HOP) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: ignoring all packets not forwarded from the best next hop (sender: %pM)\n",
|
|
|
- ethhdr->h_source);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: ignoring all packets not forwarded from the best next hop (sender: %pM)\n",
|
|
|
+ ethhdr->h_source);
|
|
|
return;
|
|
|
}
|
|
|
|
|
@@ -1086,19 +1099,19 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
if (!orig_node)
|
|
|
return;
|
|
|
|
|
|
- is_duplicate = bat_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet,
|
|
|
- if_incoming);
|
|
|
+ is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet,
|
|
|
+ if_incoming);
|
|
|
|
|
|
if (is_duplicate == -1) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: packet within seqno protection time (sender: %pM)\n",
|
|
|
- ethhdr->h_source);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: packet within seqno protection time (sender: %pM)\n",
|
|
|
+ ethhdr->h_source);
|
|
|
goto out;
|
|
|
}
|
|
|
|
|
|
if (batman_ogm_packet->tq == 0) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: originator packet with tq equal 0\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: originator packet with tq equal 0\n");
|
|
|
goto out;
|
|
|
}
|
|
|
|
|
@@ -1107,18 +1120,18 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
router_router = batadv_orig_node_get_router(router->orig_node);
|
|
|
|
|
|
if ((router && router->tq_avg != 0) &&
|
|
|
- (compare_eth(router->addr, ethhdr->h_source)))
|
|
|
+ (batadv_compare_eth(router->addr, ethhdr->h_source)))
|
|
|
is_from_best_next_hop = true;
|
|
|
|
|
|
+ prev_sender = batman_ogm_packet->prev_sender;
|
|
|
/* avoid temporary routing loops */
|
|
|
if (router && router_router &&
|
|
|
- (compare_eth(router->addr, batman_ogm_packet->prev_sender)) &&
|
|
|
- !(compare_eth(batman_ogm_packet->orig,
|
|
|
- batman_ogm_packet->prev_sender)) &&
|
|
|
- (compare_eth(router->addr, router_router->addr))) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n",
|
|
|
- ethhdr->h_source);
|
|
|
+ (batadv_compare_eth(router->addr, prev_sender)) &&
|
|
|
+ !(batadv_compare_eth(batman_ogm_packet->orig, prev_sender)) &&
|
|
|
+ (batadv_compare_eth(router->addr, router_router->addr))) {
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n",
|
|
|
+ ethhdr->h_source);
|
|
|
goto out;
|
|
|
}
|
|
|
|
|
@@ -1137,13 +1150,13 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
* don't route towards it
|
|
|
*/
|
|
|
if (!is_single_hop_neigh && (!orig_neigh_router)) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: OGM via unknown neighbor!\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: OGM via unknown neighbor!\n");
|
|
|
goto out_neigh;
|
|
|
}
|
|
|
|
|
|
- is_bidirectional = bat_iv_ogm_calc_tq(orig_node, orig_neigh_node,
|
|
|
- batman_ogm_packet, if_incoming);
|
|
|
+ is_bidirect = batadv_iv_ogm_calc_tq(orig_node, orig_neigh_node,
|
|
|
+ batman_ogm_packet, if_incoming);
|
|
|
|
|
|
batadv_bonding_save_primary(orig_node, orig_neigh_node,
|
|
|
batman_ogm_packet);
|
|
@@ -1151,45 +1164,44 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
|
|
|
/* update ranking if it is not a duplicate or has the same
|
|
|
* seqno and similar ttl as the non-duplicate
|
|
|
*/
|
|
|
- if (is_bidirectional &&
|
|
|
- (!is_duplicate ||
|
|
|
- ((orig_node->last_real_seqno == ntohl(batman_ogm_packet->seqno)) &&
|
|
|
- (orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl))))
|
|
|
- bat_iv_ogm_orig_update(bat_priv, orig_node, ethhdr,
|
|
|
- batman_ogm_packet, if_incoming,
|
|
|
- tt_buff, is_duplicate);
|
|
|
+ sameseq = orig_node->last_real_seqno == ntohl(batman_ogm_packet->seqno);
|
|
|
+ simlar_ttl = orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl;
|
|
|
+ if (is_bidirect && (!is_duplicate || (sameseq && simlar_ttl)))
|
|
|
+ batadv_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_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
|
|
|
- is_single_hop_neigh, is_from_best_next_hop,
|
|
|
- if_incoming);
|
|
|
+ batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
|
|
|
+ is_single_hop_neigh,
|
|
|
+ is_from_best_next_hop, if_incoming);
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
|
|
|
goto out_neigh;
|
|
|
}
|
|
|
|
|
|
/* multihop originator */
|
|
|
- if (!is_bidirectional) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: not received via bidirectional link\n");
|
|
|
+ if (!is_bidirect) {
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: not received via bidirectional link\n");
|
|
|
goto out_neigh;
|
|
|
}
|
|
|
|
|
|
if (is_duplicate) {
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Drop packet: duplicate packet received\n");
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Drop packet: duplicate packet received\n");
|
|
|
goto out_neigh;
|
|
|
}
|
|
|
|
|
|
- bat_dbg(DBG_BATMAN, bat_priv,
|
|
|
- "Forwarding packet: rebroadcast originator packet\n");
|
|
|
- bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
|
|
|
- is_single_hop_neigh, is_from_best_next_hop,
|
|
|
- if_incoming);
|
|
|
+ batadv_dbg(DBG_BATMAN, bat_priv,
|
|
|
+ "Forwarding packet: rebroadcast originator packet\n");
|
|
|
+ batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
|
|
|
+ is_single_hop_neigh, is_from_best_next_hop,
|
|
|
+ if_incoming);
|
|
|
|
|
|
out_neigh:
|
|
|
if ((orig_neigh_node) && (!is_single_hop_neigh))
|
|
@@ -1205,8 +1217,8 @@ out:
|
|
|
batadv_orig_node_free_ref(orig_node);
|
|
|
}
|
|
|
|
|
|
-static int bat_iv_ogm_receive(struct sk_buff *skb,
|
|
|
- struct hard_iface *if_incoming)
|
|
|
+static int batadv_iv_ogm_receive(struct sk_buff *skb,
|
|
|
+ struct hard_iface *if_incoming)
|
|
|
{
|
|
|
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
|
|
|
struct batman_ogm_packet *batman_ogm_packet;
|
|
@@ -1222,7 +1234,7 @@ static int bat_iv_ogm_receive(struct sk_buff *skb,
|
|
|
/* did we receive a B.A.T.M.A.N. IV OGM packet on an interface
|
|
|
* that does not have B.A.T.M.A.N. IV enabled ?
|
|
|
*/
|
|
|
- if (bat_priv->bat_algo_ops->bat_ogm_emit != bat_iv_ogm_emit)
|
|
|
+ if (bat_priv->bat_algo_ops->bat_ogm_emit != batadv_iv_ogm_emit)
|
|
|
return NET_RX_DROP;
|
|
|
|
|
|
batadv_inc_counter(bat_priv, BAT_CNT_MGMT_RX);
|
|
@@ -1238,29 +1250,29 @@ static int bat_iv_ogm_receive(struct sk_buff *skb,
|
|
|
do {
|
|
|
tt_buff = packet_buff + buff_pos + BATMAN_OGM_HLEN;
|
|
|
|
|
|
- bat_iv_ogm_process(ethhdr, batman_ogm_packet,
|
|
|
- tt_buff, if_incoming);
|
|
|
+ batadv_iv_ogm_process(ethhdr, batman_ogm_packet, tt_buff,
|
|
|
+ if_incoming);
|
|
|
|
|
|
buff_pos += BATMAN_OGM_HLEN;
|
|
|
buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes);
|
|
|
|
|
|
batman_ogm_packet = (struct batman_ogm_packet *)
|
|
|
(packet_buff + buff_pos);
|
|
|
- } while (bat_iv_ogm_aggr_packet(buff_pos, packet_len,
|
|
|
- batman_ogm_packet->tt_num_changes));
|
|
|
+ } while (batadv_iv_ogm_aggr_packet(buff_pos, packet_len,
|
|
|
+ batman_ogm_packet->tt_num_changes));
|
|
|
|
|
|
kfree_skb(skb);
|
|
|
return NET_RX_SUCCESS;
|
|
|
}
|
|
|
|
|
|
-static struct bat_algo_ops batman_iv __read_mostly = {
|
|
|
+static struct bat_algo_ops batadv_batman_iv __read_mostly = {
|
|
|
.name = "BATMAN_IV",
|
|
|
- .bat_iface_enable = bat_iv_ogm_iface_enable,
|
|
|
- .bat_iface_disable = bat_iv_ogm_iface_disable,
|
|
|
- .bat_iface_update_mac = bat_iv_ogm_iface_update_mac,
|
|
|
- .bat_primary_iface_set = bat_iv_ogm_primary_iface_set,
|
|
|
- .bat_ogm_schedule = bat_iv_ogm_schedule,
|
|
|
- .bat_ogm_emit = bat_iv_ogm_emit,
|
|
|
+ .bat_iface_enable = batadv_iv_ogm_iface_enable,
|
|
|
+ .bat_iface_disable = batadv_iv_ogm_iface_disable,
|
|
|
+ .bat_iface_update_mac = batadv_iv_ogm_iface_update_mac,
|
|
|
+ .bat_primary_iface_set = batadv_iv_ogm_primary_iface_set,
|
|
|
+ .bat_ogm_schedule = batadv_iv_ogm_schedule,
|
|
|
+ .bat_ogm_emit = batadv_iv_ogm_emit,
|
|
|
};
|
|
|
|
|
|
int __init batadv_iv_init(void)
|
|
@@ -1268,11 +1280,11 @@ int __init batadv_iv_init(void)
|
|
|
int ret;
|
|
|
|
|
|
/* batman originator packet */
|
|
|
- ret = batadv_recv_handler_register(BAT_IV_OGM, bat_iv_ogm_receive);
|
|
|
+ ret = batadv_recv_handler_register(BAT_IV_OGM, batadv_iv_ogm_receive);
|
|
|
if (ret < 0)
|
|
|
goto out;
|
|
|
|
|
|
- ret = batadv_algo_register(&batman_iv);
|
|
|
+ ret = batadv_algo_register(&batadv_batman_iv);
|
|
|
if (ret < 0)
|
|
|
goto handler_unregister;
|
|
|
|