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batman-adv: Prefix packet structs with batadv_

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Reported-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann 2012-06-05 22:31:30 +02:00 committed by Antonio Quartulli
parent b4d66b877b
commit 9641269011
19 changed files with 369 additions and 347 deletions
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258
net/batman-adv/bat_iv_ogm.c
View File

@ -56,7 +56,7 @@ out:
static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
struct batadv_ogm_packet *batadv_ogm_packet;
uint32_t random_seqno;
int res = -ENOMEM;
@ -70,14 +70,14 @@ static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface)
if (!hard_iface->packet_buff)
goto out;
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
batman_ogm_packet->header.packet_type = BATADV_IV_OGM;
batman_ogm_packet->header.version = BATADV_COMPAT_VERSION;
batman_ogm_packet->header.ttl = 2;
batman_ogm_packet->flags = BATADV_NO_FLAGS;
batman_ogm_packet->tq = BATADV_TQ_MAX_VALUE;
batman_ogm_packet->tt_num_changes = 0;
batman_ogm_packet->ttvn = 0;
batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
batadv_ogm_packet->header.packet_type = BATADV_IV_OGM;
batadv_ogm_packet->header.version = BATADV_COMPAT_VERSION;
batadv_ogm_packet->header.ttl = 2;
batadv_ogm_packet->flags = BATADV_NO_FLAGS;
batadv_ogm_packet->tq = BATADV_TQ_MAX_VALUE;
batadv_ogm_packet->tt_num_changes = 0;
batadv_ogm_packet->ttvn = 0;
res = 0;
@ -93,22 +93,22 @@ static void batadv_iv_ogm_iface_disable(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;
struct batadv_ogm_packet *batadv_ogm_packet;
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
memcpy(batman_ogm_packet->orig,
batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
memcpy(batadv_ogm_packet->orig,
hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(batman_ogm_packet->prev_sender,
memcpy(batadv_ogm_packet->prev_sender,
hard_iface->net_dev->dev_addr, ETH_ALEN);
}
static void batadv_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
struct batadv_ogm_packet *batadv_ogm_packet;
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
batman_ogm_packet->flags = BATADV_PRIMARIES_FIRST_HOP;
batman_ogm_packet->header.ttl = BATADV_TTL;
batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
batadv_ogm_packet->flags = BATADV_PRIMARIES_FIRST_HOP;
batadv_ogm_packet->header.ttl = BATADV_TTL;
}
/* when do we schedule our own ogm to be sent */
@ -162,7 +162,7 @@ static void batadv_iv_ogm_send_to_if(struct forw_packet *forw_packet,
char *fwd_str;
uint8_t packet_num;
int16_t buff_pos;
struct batman_ogm_packet *batman_ogm_packet;
struct batadv_ogm_packet *batadv_ogm_packet;
struct sk_buff *skb;
if (hard_iface->if_status != BATADV_IF_ACTIVE)
@ -170,20 +170,20 @@ static void batadv_iv_ogm_send_to_if(struct forw_packet *forw_packet,
packet_num = 0;
buff_pos = 0;
batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data;
batadv_ogm_packet = (struct batadv_ogm_packet *)forw_packet->skb->data;
/* adjust all flags and log packets */
while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
batman_ogm_packet->tt_num_changes)) {
batadv_ogm_packet->tt_num_changes)) {
/* 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 == hard_iface))
batman_ogm_packet->flags |= BATADV_DIRECTLINK;
batadv_ogm_packet->flags |= BATADV_DIRECTLINK;
else
batman_ogm_packet->flags &= ~BATADV_DIRECTLINK;
batadv_ogm_packet->flags &= ~BATADV_DIRECTLINK;
fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
"Sending own" :
@ -191,18 +191,18 @@ static void batadv_iv_ogm_send_to_if(struct forw_packet *forw_packet,
batadv_dbg(BATADV_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 & BATADV_DIRECTLINK ?
batadv_ogm_packet->orig,
ntohl(batadv_ogm_packet->seqno),
batadv_ogm_packet->tq, batadv_ogm_packet->header.ttl,
(batadv_ogm_packet->flags & BATADV_DIRECTLINK ?
"on" : "off"),
batman_ogm_packet->ttvn, hard_iface->net_dev->name,
batadv_ogm_packet->ttvn, hard_iface->net_dev->name,
hard_iface->net_dev->dev_addr);
buff_pos += BATADV_OGM_HLEN;
buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes);
buff_pos += batadv_tt_len(batadv_ogm_packet->tt_num_changes);
packet_num++;
batman_ogm_packet = (struct batman_ogm_packet *)
batadv_ogm_packet = (struct batadv_ogm_packet *)
(forw_packet->skb->data + buff_pos);
}
@ -223,12 +223,12 @@ static void batadv_iv_ogm_emit(struct forw_packet *forw_packet)
struct net_device *soft_iface;
struct bat_priv *bat_priv;
struct hard_iface *primary_if = NULL;
struct batman_ogm_packet *batman_ogm_packet;
struct batadv_ogm_packet *batadv_ogm_packet;
unsigned char directlink;
batman_ogm_packet = (struct batman_ogm_packet *)
batadv_ogm_packet = (struct batadv_ogm_packet *)
(forw_packet->skb->data);
directlink = (batman_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0);
directlink = (batadv_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0);
if (!forw_packet->if_incoming) {
pr_err("Error - can't forward packet: incoming iface not specified\n");
@ -248,16 +248,16 @@ static void batadv_iv_ogm_emit(struct forw_packet *forw_packet)
/* multihomed peer assumed
* non-primary OGMs are only broadcasted on their interface
*/
if ((directlink && (batman_ogm_packet->header.ttl == 1)) ||
if ((directlink && (batadv_ogm_packet->header.ttl == 1)) ||
(forw_packet->own && (forw_packet->if_incoming != primary_if))) {
/* FIXME: what about aggregated packets ? */
batadv_dbg(BATADV_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,
batadv_ogm_packet->orig,
ntohl(batadv_ogm_packet->seqno),
batadv_ogm_packet->header.ttl,
forw_packet->if_incoming->net_dev->name,
forw_packet->if_incoming->net_dev->dev_addr);
@ -287,20 +287,20 @@ out:
/* return true if new_packet can be aggregated with forw_packet */
static bool
batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet,
batadv_iv_ogm_can_aggregate(const struct batadv_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;
struct batadv_ogm_packet *batadv_ogm_packet;
int aggregated_bytes = forw_packet->packet_len + packet_len;
struct hard_iface *primary_if = NULL;
bool res = false;
unsigned long aggregation_end_time;
batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data;
batadv_ogm_packet = (struct batadv_ogm_packet *)forw_packet->skb->data;
aggregation_end_time = send_time;
aggregation_end_time += msecs_to_jiffies(BATADV_MAX_AGGREGATION_MS);
@ -330,8 +330,8 @@ batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet,
* are flooded through the net
*/
if ((!directlink) &&
(!(batman_ogm_packet->flags & BATADV_DIRECTLINK)) &&
(batman_ogm_packet->header.ttl != 1) &&
(!(batadv_ogm_packet->flags & BATADV_DIRECTLINK)) &&
(batadv_ogm_packet->header.ttl != 1) &&
/* own packets originating non-primary
* interfaces leave only that interface
@ -353,7 +353,7 @@ batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet,
* own secondary interface packets
* (= secondary interface packets in general)
*/
(batman_ogm_packet->flags & BATADV_DIRECTLINK ||
(batadv_ogm_packet->flags & BATADV_DIRECTLINK ||
(forw_packet->own &&
forw_packet->if_incoming != primary_if))) {
res = true;
@ -475,12 +475,12 @@ static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv,
*/
struct forw_packet *forw_packet_aggr = NULL, *forw_packet_pos = NULL;
struct hlist_node *tmp_node;
struct batman_ogm_packet *batman_ogm_packet;
struct batadv_ogm_packet *batadv_ogm_packet;
bool direct_link;
unsigned long max_aggregation_jiffies;
batman_ogm_packet = (struct batman_ogm_packet *)packet_buff;
direct_link = batman_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0;
batadv_ogm_packet = (struct batadv_ogm_packet *)packet_buff;
direct_link = batadv_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0;
max_aggregation_jiffies = msecs_to_jiffies(BATADV_MAX_AGGREGATION_MS);
/* find position for the packet in the forward queue */
@ -489,7 +489,7 @@ static void batadv_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 (batadv_iv_ogm_can_aggregate(batman_ogm_packet,
if (batadv_iv_ogm_can_aggregate(batadv_ogm_packet,
bat_priv, packet_len,
send_time, direct_link,
if_incoming,
@ -526,7 +526,7 @@ static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv,
static void batadv_iv_ogm_forward(struct orig_node *orig_node,
const struct ethhdr *ethhdr,
struct batman_ogm_packet *batman_ogm_packet,
struct batadv_ogm_packet *batadv_ogm_packet,
bool is_single_hop_neigh,
bool is_from_best_next_hop,
struct hard_iface *if_incoming)
@ -534,7 +534,7 @@ static void batadv_iv_ogm_forward(struct orig_node *orig_node,
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
uint8_t tt_num_changes;
if (batman_ogm_packet->header.ttl <= 1) {
if (batadv_ogm_packet->header.ttl <= 1) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "ttl exceeded\n");
return;
}
@ -547,32 +547,32 @@ static void batadv_iv_ogm_forward(struct orig_node *orig_node,
* simply drop the ogm.
*/
if (is_single_hop_neigh)
batman_ogm_packet->flags |= BATADV_NOT_BEST_NEXT_HOP;
batadv_ogm_packet->flags |= BATADV_NOT_BEST_NEXT_HOP;
else
return;
}
tt_num_changes = batman_ogm_packet->tt_num_changes;
tt_num_changes = batadv_ogm_packet->tt_num_changes;
batman_ogm_packet->header.ttl--;
memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
batadv_ogm_packet->header.ttl--;
memcpy(batadv_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
/* apply hop penalty */
batman_ogm_packet->tq = batadv_hop_penalty(batman_ogm_packet->tq,
batadv_ogm_packet->tq = batadv_hop_penalty(batadv_ogm_packet->tq,
bat_priv);
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Forwarding packet: tq: %i, ttl: %i\n",
batman_ogm_packet->tq, batman_ogm_packet->header.ttl);
batadv_ogm_packet->tq, batadv_ogm_packet->header.ttl);
/* switch of primaries first hop flag when forwarding */
batman_ogm_packet->flags &= ~BATADV_PRIMARIES_FIRST_HOP;
batadv_ogm_packet->flags &= ~BATADV_PRIMARIES_FIRST_HOP;
if (is_single_hop_neigh)
batman_ogm_packet->flags |= BATADV_DIRECTLINK;
batadv_ogm_packet->flags |= BATADV_DIRECTLINK;
else
batman_ogm_packet->flags &= ~BATADV_DIRECTLINK;
batadv_ogm_packet->flags &= ~BATADV_DIRECTLINK;
batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batadv_ogm_packet,
BATADV_OGM_HLEN + batadv_tt_len(tt_num_changes),
if_incoming, 0, batadv_iv_ogm_fwd_send_time());
}
@ -580,7 +580,7 @@ static void batadv_iv_ogm_forward(struct orig_node *orig_node,
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;
struct batadv_ogm_packet *batadv_ogm_packet;
struct hard_iface *primary_if;
int vis_server, tt_num_changes = 0;
@ -593,29 +593,29 @@ static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface)
&hard_iface->packet_len,
BATADV_OGM_HLEN);
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
/* change sequence number to network order */
batman_ogm_packet->seqno =
batadv_ogm_packet->seqno =
htonl((uint32_t)atomic_read(&hard_iface->seqno));
atomic_inc(&hard_iface->seqno);
batman_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn);
batman_ogm_packet->tt_crc = htons(bat_priv->tt_crc);
batadv_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn);
batadv_ogm_packet->tt_crc = htons(bat_priv->tt_crc);
if (tt_num_changes >= 0)
batman_ogm_packet->tt_num_changes = tt_num_changes;
batadv_ogm_packet->tt_num_changes = tt_num_changes;
if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC)
batman_ogm_packet->flags |= BATADV_VIS_SERVER;
batadv_ogm_packet->flags |= BATADV_VIS_SERVER;
else
batman_ogm_packet->flags &= ~BATADV_VIS_SERVER;
batadv_ogm_packet->flags &= ~BATADV_VIS_SERVER;
if ((hard_iface == primary_if) &&
(atomic_read(&bat_priv->gw_mode) == BATADV_GW_MODE_SERVER))
batman_ogm_packet->gw_flags =
batadv_ogm_packet->gw_flags =
(uint8_t)atomic_read(&bat_priv->gw_bandwidth);
else
batman_ogm_packet->gw_flags = BATADV_NO_FLAGS;
batadv_ogm_packet->gw_flags = BATADV_NO_FLAGS;
batadv_slide_own_bcast_window(hard_iface);
batadv_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
@ -630,7 +630,7 @@ 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,
const struct batadv_ogm_packet *batadv_ogm_packet,
struct hard_iface *if_incoming,
const unsigned char *tt_buff,
int is_duplicate)
@ -679,7 +679,7 @@ batadv_iv_ogm_orig_update(struct bat_priv *bat_priv,
neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
ethhdr->h_source,
orig_node, orig_tmp,
batman_ogm_packet->seqno);
batadv_ogm_packet->seqno);
batadv_orig_node_free_ref(orig_tmp);
if (!neigh_node)
@ -690,19 +690,19 @@ batadv_iv_ogm_orig_update(struct bat_priv *bat_priv,
rcu_read_unlock();
orig_node->flags = batman_ogm_packet->flags;
orig_node->flags = batadv_ogm_packet->flags;
neigh_node->last_seen = jiffies;
spin_lock_bh(&neigh_node->lq_update_lock);
batadv_ring_buffer_set(neigh_node->tq_recv,
&neigh_node->tq_index,
batman_ogm_packet->tq);
batadv_ogm_packet->tq);
neigh_node->tq_avg = batadv_ring_buffer_avg(neigh_node->tq_recv);
spin_unlock_bh(&neigh_node->lq_update_lock);
if (!is_duplicate) {
orig_node->last_ttl = batman_ogm_packet->header.ttl;
neigh_node->last_ttl = batman_ogm_packet->header.ttl;
orig_node->last_ttl = batadv_ogm_packet->header.ttl;
neigh_node->last_ttl = batadv_ogm_packet->header.ttl;
}
batadv_bonding_candidate_add(orig_node, neigh_node);
@ -744,19 +744,19 @@ update_tt:
/* I have to check for transtable changes only if the OGM has been
* sent through a primary interface
*/
if (((batman_ogm_packet->orig != ethhdr->h_source) &&
(batman_ogm_packet->header.ttl > 2)) ||
(batman_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP))
if (((batadv_ogm_packet->orig != ethhdr->h_source) &&
(batadv_ogm_packet->header.ttl > 2)) ||
(batadv_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP))
batadv_tt_update_orig(bat_priv, orig_node, tt_buff,
batman_ogm_packet->tt_num_changes,
batman_ogm_packet->ttvn,
ntohs(batman_ogm_packet->tt_crc));
batadv_ogm_packet->tt_num_changes,
batadv_ogm_packet->ttvn,
ntohs(batadv_ogm_packet->tt_crc));
if (orig_node->gw_flags != batman_ogm_packet->gw_flags)
if (orig_node->gw_flags != batadv_ogm_packet->gw_flags)
batadv_gw_node_update(bat_priv, orig_node,
batman_ogm_packet->gw_flags);
batadv_ogm_packet->gw_flags);
orig_node->gw_flags = batman_ogm_packet->gw_flags;
orig_node->gw_flags = batadv_ogm_packet->gw_flags;
/* restart gateway selection if fast or late switching was enabled */
if ((orig_node->gw_flags) &&
@ -777,7 +777,7 @@ out:
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 batadv_ogm_packet *batadv_ogm_packet,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@ -814,7 +814,7 @@ static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node,
orig_neigh_node->orig,
orig_neigh_node,
orig_neigh_node,
batman_ogm_packet->seqno);
batadv_ogm_packet->seqno);
if (!neigh_node)
goto out;
@ -862,20 +862,20 @@ static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node,
inv_asym_penalty /= neigh_rq_max_cube;
tq_asym_penalty = BATADV_TQ_MAX_VALUE - inv_asym_penalty;
combined_tq = batman_ogm_packet->tq * tq_own * tq_asym_penalty;
combined_tq = batadv_ogm_packet->tq * tq_own * tq_asym_penalty;
combined_tq /= BATADV_TQ_MAX_VALUE * BATADV_TQ_MAX_VALUE;
batman_ogm_packet->tq = combined_tq;
batadv_ogm_packet->tq = combined_tq;
batadv_dbg(BATADV_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);
tq_asym_penalty, batadv_ogm_packet->tq);
/* if link has the minimum required transmission quality
* consider it bidirectional
*/
if (batman_ogm_packet->tq >= BATADV_TQ_TOTAL_BIDRECT_LIMIT)
if (batadv_ogm_packet->tq >= BATADV_TQ_TOTAL_BIDRECT_LIMIT)
ret = 1;
out:
@ -894,7 +894,7 @@ out:
*/
static int
batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
const struct batman_ogm_packet *batman_ogm_packet,
const struct batadv_ogm_packet *batadv_ogm_packet,
const struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@ -905,10 +905,10 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
int32_t seq_diff;
int need_update = 0;
int set_mark, ret = -1;
uint32_t seqno = ntohl(batman_ogm_packet->seqno);
uint32_t seqno = ntohl(batadv_ogm_packet->seqno);
uint8_t *neigh_addr;
orig_node = batadv_get_orig_node(bat_priv, batman_ogm_packet->orig);
orig_node = batadv_get_orig_node(bat_priv, batadv_ogm_packet->orig);
if (!orig_node)
return 0;
@ -963,7 +963,7 @@ out:
}
static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
struct batman_ogm_packet *batman_ogm_packet,
struct batadv_ogm_packet *batadv_ogm_packet,
const unsigned char *tt_buff,
struct hard_iface *if_incoming)
{
@ -989,34 +989,34 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
* it as an additional length.
*
* TODO: A more sane solution would be to have a bit in the
* batman_ogm_packet to detect whether the packet is the last
* batadv_ogm_packet to detect whether the packet is the last
* packet in an aggregation. Here we expect that the padding
* is always zero (or not 0x01)
*/
if (batman_ogm_packet->header.packet_type != BATADV_IV_OGM)
if (batadv_ogm_packet->header.packet_type != BATADV_IV_OGM)
return;
/* could be changed by schedule_own_packet() */
if_incoming_seqno = atomic_read(&if_incoming->seqno);
if (batman_ogm_packet->flags & BATADV_DIRECTLINK)
if (batadv_ogm_packet->flags & BATADV_DIRECTLINK)
has_directlink_flag = 1;
else
has_directlink_flag = 0;
if (batadv_compare_eth(ethhdr->h_source, batman_ogm_packet->orig))
if (batadv_compare_eth(ethhdr->h_source, batadv_ogm_packet->orig))
is_single_hop_neigh = true;
batadv_dbg(BATADV_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);
if_incoming->net_dev->dev_addr, batadv_ogm_packet->orig,
batadv_ogm_packet->prev_sender,
ntohl(batadv_ogm_packet->seqno), batadv_ogm_packet->ttvn,
ntohs(batadv_ogm_packet->tt_crc),
batadv_ogm_packet->tt_num_changes, batadv_ogm_packet->tq,
batadv_ogm_packet->header.ttl,
batadv_ogm_packet->header.version, has_directlink_flag);
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
@ -1030,11 +1030,11 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
hard_iface->net_dev->dev_addr))
is_my_addr = 1;
if (batadv_compare_eth(batman_ogm_packet->orig,
if (batadv_compare_eth(batadv_ogm_packet->orig,
hard_iface->net_dev->dev_addr))
is_my_orig = 1;
if (batadv_compare_eth(batman_ogm_packet->prev_sender,
if (batadv_compare_eth(batadv_ogm_packet->prev_sender,
hard_iface->net_dev->dev_addr))
is_my_oldorig = 1;
@ -1043,10 +1043,10 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
}
rcu_read_unlock();
if (batman_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
batman_ogm_packet->header.version);
batadv_ogm_packet->header.version);
return;
}
@ -1082,14 +1082,14 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
*/
if (has_directlink_flag &&
batadv_compare_eth(if_incoming->net_dev->dev_addr,
batman_ogm_packet->orig)) {
batadv_ogm_packet->orig)) {
if_num = if_incoming->if_num;
offset = if_num * BATADV_NUM_WORDS;
spin_lock_bh(&orig_neigh_node->ogm_cnt_lock);
word = &(orig_neigh_node->bcast_own[offset]);
bit_pos = if_incoming_seqno - 2;
bit_pos -= ntohl(batman_ogm_packet->seqno);
bit_pos -= ntohl(batadv_ogm_packet->seqno);
batadv_set_bit(word, bit_pos);
weight = &orig_neigh_node->bcast_own_sum[if_num];
*weight = bitmap_weight(word,
@ -1110,18 +1110,18 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
return;
}
if (batman_ogm_packet->flags & BATADV_NOT_BEST_NEXT_HOP) {
if (batadv_ogm_packet->flags & BATADV_NOT_BEST_NEXT_HOP) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: ignoring all packets not forwarded from the best next hop (sender: %pM)\n",
ethhdr->h_source);
return;
}
orig_node = batadv_get_orig_node(bat_priv, batman_ogm_packet->orig);
orig_node = batadv_get_orig_node(bat_priv, batadv_ogm_packet->orig);
if (!orig_node)
return;
is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet,
is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batadv_ogm_packet,
if_incoming);
if (is_duplicate == -1) {
@ -1131,7 +1131,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
goto out;
}
if (batman_ogm_packet->tq == 0) {
if (batadv_ogm_packet->tq == 0) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: originator packet with tq equal 0\n");
goto out;
@ -1145,11 +1145,11 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
(batadv_compare_eth(router->addr, ethhdr->h_source)))
is_from_best_next_hop = true;
prev_sender = batman_ogm_packet->prev_sender;
prev_sender = batadv_ogm_packet->prev_sender;
/* avoid temporary routing loops */
if (router && router_router &&
(batadv_compare_eth(router->addr, prev_sender)) &&
!(batadv_compare_eth(batman_ogm_packet->orig, prev_sender)) &&
!(batadv_compare_eth(batadv_ogm_packet->orig, prev_sender)) &&
(batadv_compare_eth(router->addr, router_router->addr))) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n",
@ -1178,26 +1178,26 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
}
is_bidirect = batadv_iv_ogm_calc_tq(orig_node, orig_neigh_node,
batman_ogm_packet, if_incoming);
batadv_ogm_packet, if_incoming);
batadv_bonding_save_primary(orig_node, orig_neigh_node,
batman_ogm_packet);
batadv_ogm_packet);
/* update ranking if it is not a duplicate or has the same
* seqno and similar ttl as the non-duplicate
*/
sameseq = orig_node->last_real_seqno == ntohl(batman_ogm_packet->seqno);
simlar_ttl = orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl;
sameseq = orig_node->last_real_seqno == ntohl(batadv_ogm_packet->seqno);
simlar_ttl = orig_node->last_ttl - 3 <= batadv_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,
batadv_ogm_packet, if_incoming,
tt_buff, is_duplicate);
/* is single hop (direct) neighbor */
if (is_single_hop_neigh) {
/* mark direct link on incoming interface */
batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
batadv_iv_ogm_forward(orig_node, ethhdr, batadv_ogm_packet,
is_single_hop_neigh,
is_from_best_next_hop, if_incoming);
@ -1221,7 +1221,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Forwarding packet: rebroadcast originator packet\n");
batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
batadv_iv_ogm_forward(orig_node, ethhdr, batadv_ogm_packet,
is_single_hop_neigh, is_from_best_next_hop,
if_incoming);
@ -1243,7 +1243,7 @@ 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;
struct batadv_ogm_packet *batadv_ogm_packet;
struct ethhdr *ethhdr;
int buff_pos = 0, packet_len;
unsigned char *tt_buff, *packet_buff;
@ -1266,22 +1266,22 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb,
packet_len = skb_headlen(skb);
ethhdr = (struct ethhdr *)skb_mac_header(skb);
packet_buff = skb->data;
batman_ogm_packet = (struct batman_ogm_packet *)packet_buff;
batadv_ogm_packet = (struct batadv_ogm_packet *)packet_buff;
/* unpack the aggregated packets and process them one by one */
do {
tt_buff = packet_buff + buff_pos + BATADV_OGM_HLEN;
batadv_iv_ogm_process(ethhdr, batman_ogm_packet, tt_buff,
batadv_iv_ogm_process(ethhdr, batadv_ogm_packet, tt_buff,
if_incoming);
buff_pos += BATADV_OGM_HLEN;
buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes);
buff_pos += batadv_tt_len(batadv_ogm_packet->tt_num_changes);
batman_ogm_packet = (struct batman_ogm_packet *)
batadv_ogm_packet = (struct batadv_ogm_packet *)
(packet_buff + buff_pos);
} while (batadv_iv_ogm_aggr_packet(buff_pos, packet_len,
batman_ogm_packet->tt_num_changes));
batadv_ogm_packet->tt_num_changes));
kfree_skb(skb);
return NET_RX_SUCCESS;

12
net/batman-adv/bridge_loop_avoidance.c
View File

@ -255,7 +255,7 @@ static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac,
struct hard_iface *primary_if;
struct net_device *soft_iface;
uint8_t *hw_src;
struct bla_claim_dst local_claim_dest;
struct batadv_bla_claim_dst local_claim_dest;
__be32 zeroip = 0;
primary_if = batadv_primary_if_get_selected(bat_priv);
@ -759,9 +759,9 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
{
uint8_t *backbone_addr;
struct orig_node *orig_node;
struct bla_claim_dst *bla_dst, *bla_dst_own;
struct batadv_bla_claim_dst *bla_dst, *bla_dst_own;
bla_dst = (struct bla_claim_dst *)hw_dst;
bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
bla_dst_own = &bat_priv->claim_dest;
/* check if it is a claim packet in general */
@ -832,7 +832,7 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
struct vlan_ethhdr *vhdr;
struct arphdr *arphdr;
uint8_t *hw_src, *hw_dst;
struct bla_claim_dst *bla_dst;
struct batadv_bla_claim_dst *bla_dst;
uint16_t proto;
int headlen;
short vid = -1;
@ -876,7 +876,7 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
hw_src = (uint8_t *)arphdr + sizeof(struct arphdr);
hw_dst = hw_src + ETH_ALEN + 4;
bla_dst = (struct bla_claim_dst *)hw_dst;
bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
/* check if it is a claim frame. */
ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,
@ -1201,7 +1201,7 @@ int batadv_bla_init(struct bat_priv *bat_priv)
* the same host however as this might be intended.
*/
int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
struct bcast_packet *bcast_packet,
struct batadv_bcast_packet *bcast_packet,
int hdr_size)
{
int i, length, curr;

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

@ -28,7 +28,7 @@ int batadv_bla_is_backbone_gw(struct sk_buff *skb,
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig);
int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
struct bcast_packet *bcast_packet,
struct batadv_bcast_packet *bcast_packet,
int hdr_size);
void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
@ -72,7 +72,7 @@ static inline int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv,
static inline int
batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
struct bcast_packet *bcast_packet,
struct batadv_bcast_packet *bcast_packet,
int hdr_size)
{
return 0;

4
net/batman-adv/hard-interface.c
View File

@ -100,14 +100,14 @@ out:
static void batadv_primary_if_update_addr(struct bat_priv *bat_priv,
struct hard_iface *oldif)
{
struct vis_packet *vis_packet;
struct batadv_vis_packet *vis_packet;
struct hard_iface *primary_if;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
vis_packet = (struct vis_packet *)
vis_packet = (struct batadv_vis_packet *)
bat_priv->my_vis_info->skb_packet->data;
memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(vis_packet->sender_orig,

22
net/batman-adv/icmp_socket.c
View File

@ -29,7 +29,7 @@
static struct socket_client *batadv_socket_client_hash[256];
static void batadv_socket_add_packet(struct socket_client *socket_client,
struct icmp_packet_rr *icmp_packet,
struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len);
void batadv_socket_init(void)
@ -112,7 +112,7 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf,
if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0))
return -EAGAIN;
if ((!buf) || (count < sizeof(struct icmp_packet)))
if ((!buf) || (count < sizeof(struct batadv_icmp_packet)))
return -EINVAL;
if (!access_ok(VERIFY_WRITE, buf, count))
@ -151,13 +151,13 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
struct bat_priv *bat_priv = socket_client->bat_priv;
struct hard_iface *primary_if = NULL;
struct sk_buff *skb;
struct icmp_packet_rr *icmp_packet;
struct batadv_icmp_packet_rr *icmp_packet;
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
size_t packet_len = sizeof(struct icmp_packet);
size_t packet_len = sizeof(struct batadv_icmp_packet);
if (len < sizeof(struct icmp_packet)) {
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");
return -EINVAL;
@ -170,8 +170,8 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out;
}
if (len >= sizeof(struct icmp_packet_rr))
packet_len = sizeof(struct icmp_packet_rr);
if (len >= sizeof(struct batadv_icmp_packet_rr))
packet_len = sizeof(struct batadv_icmp_packet_rr);
skb = dev_alloc_skb(packet_len + ETH_HLEN);
if (!skb) {
@ -180,7 +180,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
}
skb_reserve(skb, ETH_HLEN);
icmp_packet = (struct icmp_packet_rr *)skb_put(skb, packet_len);
icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len);
if (copy_from_user(icmp_packet, buff, packet_len)) {
len = -EFAULT;
@ -231,7 +231,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
memcpy(icmp_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
if (packet_len == sizeof(struct icmp_packet_rr))
if (packet_len == sizeof(struct batadv_icmp_packet_rr))
memcpy(icmp_packet->rr,
neigh_node->if_incoming->net_dev->dev_addr, ETH_ALEN);
@ -294,7 +294,7 @@ err:
}
static void batadv_socket_add_packet(struct socket_client *socket_client,
struct icmp_packet_rr *icmp_packet,
struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len)
{
struct socket_packet *socket_packet;
@ -336,7 +336,7 @@ static void batadv_socket_add_packet(struct socket_client *socket_client,
wake_up(&socket_client->queue_wait);
}
void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet,
void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len)
{
struct socket_client *hash;

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

@ -24,7 +24,7 @@
void batadv_socket_init(void);
int batadv_socket_setup(struct bat_priv *bat_priv);
void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet,
void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len);
#endif /* _NET_BATMAN_ADV_ICMP_SOCKET_H_ */

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

@ -205,7 +205,7 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct net_device *orig_dev)
{
struct bat_priv *bat_priv;
struct batman_ogm_packet *batman_ogm_packet;
struct batadv_ogm_packet *batadv_ogm_packet;
struct hard_iface *hard_iface;
uint8_t idx;
int ret;
@ -237,19 +237,19 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
if (hard_iface->if_status != BATADV_IF_ACTIVE)
goto err_free;
batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data;
if (batman_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
batman_ogm_packet->header.version);
batadv_ogm_packet->header.version);
goto err_free;
}
/* all receive handlers return whether they received or reused
* the supplied skb. if not, we have to free the skb.
*/
idx = batman_ogm_packet->header.packet_type;
idx = batadv_ogm_packet->header.packet_type;
ret = (*batadv_rx_handler[idx])(skb, hard_iface);
if (ret == NET_RX_DROP)

44
net/batman-adv/packet.h
View File

@ -101,20 +101,20 @@ enum batadv_bla_claimframe {
/* the destination hardware field in the ARP frame is used to
* transport the claim type and the group id
*/
struct bla_claim_dst {
struct batadv_bla_claim_dst {
uint8_t magic[3]; /* FF:43:05 */
uint8_t type; /* bla_claimframe */
__be16 group; /* group id */
} __packed;
struct batman_header {
struct batadv_header {
uint8_t packet_type;
uint8_t version; /* batman version field */
uint8_t ttl;
} __packed;
struct batman_ogm_packet {
struct batman_header header;
struct batadv_ogm_packet {
struct batadv_header header;
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
__be32 seqno;
uint8_t orig[ETH_ALEN];
@ -126,10 +126,10 @@ struct batman_ogm_packet {
__be16 tt_crc;
} __packed;
#define BATADV_OGM_HLEN sizeof(struct batman_ogm_packet)
#define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet)
struct icmp_packet {
struct batman_header header;
struct batadv_icmp_packet {
struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
@ -143,8 +143,8 @@ struct icmp_packet {
/* icmp_packet_rr must start with all fields from imcp_packet
* as this is assumed by code that handles ICMP packets
*/
struct icmp_packet_rr {
struct batman_header header;
struct batadv_icmp_packet_rr {
struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
@ -154,14 +154,14 @@ struct icmp_packet_rr {
uint8_t rr[BATADV_RR_LEN][ETH_ALEN];
} __packed;
struct unicast_packet {
struct batman_header header;
struct batadv_unicast_packet {
struct batadv_header header;
uint8_t ttvn; /* destination translation table version number */
uint8_t dest[ETH_ALEN];
} __packed;
struct unicast_frag_packet {
struct batman_header header;
struct batadv_unicast_frag_packet {
struct batadv_header header;
uint8_t ttvn; /* destination translation table version number */
uint8_t dest[ETH_ALEN];
uint8_t flags;
@ -170,15 +170,15 @@ struct unicast_frag_packet {
__be16 seqno;
} __packed;
struct bcast_packet {
struct batman_header header;
struct batadv_bcast_packet {
struct batadv_header header;
uint8_t reserved;
__be32 seqno;
uint8_t orig[ETH_ALEN];
} __packed;
struct vis_packet {
struct batman_header header;
struct batadv_vis_packet {
struct batadv_header header;
uint8_t vis_type; /* which type of vis-participant sent this? */
__be32 seqno; /* sequence number */
uint8_t entries; /* number of entries behind this struct */
@ -188,8 +188,8 @@ struct vis_packet {
uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */
} __packed;
struct tt_query_packet {
struct batman_header header;
struct batadv_tt_query_packet {
struct batadv_header header;
/* the flag field is a combination of:
* - TT_REQUEST or TT_RESPONSE
* - TT_FULL_TABLE
@ -212,15 +212,15 @@ struct tt_query_packet {
__be16 tt_data;
} __packed;
struct roam_adv_packet {
struct batman_header header;
struct batadv_roam_adv_packet {
struct batadv_header header;
uint8_t reserved;
uint8_t dst[ETH_ALEN];
uint8_t src[ETH_ALEN];
uint8_t client[ETH_ALEN];
} __packed;
struct tt_change {
struct batadv_tt_change {
uint8_t flags;
uint8_t addr[ETH_ALEN];
} __packed;

88
net/batman-adv/routing.c
View File

@ -217,7 +217,7 @@ out:
void
batadv_bonding_save_primary(const struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
const struct batman_ogm_packet *batman_ogm_packet)
const struct batadv_ogm_packet *batman_ogm_packet)
{
if (!(batman_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP))
return;
@ -284,10 +284,10 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
struct icmp_packet_rr *icmp_packet;
struct batadv_icmp_packet_rr *icmp_packet;
int ret = NET_RX_DROP;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add data to device queue */
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
@ -313,7 +313,7 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
@ -339,10 +339,10 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
struct icmp_packet *icmp_packet;
struct batadv_icmp_packet *icmp_packet;
int ret = NET_RX_DROP;
icmp_packet = (struct icmp_packet *)skb->data;
icmp_packet = (struct batadv_icmp_packet *)skb->data;
/* send TTL exceeded if packet is an echo request (traceroute) */
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
@ -368,7 +368,7 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
icmp_packet = (struct icmp_packet *)skb->data;
icmp_packet = (struct batadv_icmp_packet *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
@ -392,16 +392,16 @@ out:
int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct icmp_packet_rr *icmp_packet;
struct batadv_icmp_packet_rr *icmp_packet;
struct ethhdr *ethhdr;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
int hdr_size = sizeof(struct icmp_packet);
int hdr_size = sizeof(struct batadv_icmp_packet);
int ret = NET_RX_DROP;
/* we truncate all incoming icmp packets if they don't match our size */
if (skb->len >= sizeof(struct icmp_packet_rr))
hdr_size = sizeof(struct icmp_packet_rr);
if (skb->len >= sizeof(struct batadv_icmp_packet_rr))
hdr_size = sizeof(struct batadv_icmp_packet_rr);
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, hdr_size)))
@ -421,10 +421,10 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_is_my_mac(ethhdr->h_dest))
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add record route information if not full */
if ((hdr_size == sizeof(struct icmp_packet_rr)) &&
if ((hdr_size == sizeof(struct batadv_icmp_packet_rr)) &&
(icmp_packet->rr_cur < BATADV_RR_LEN)) {
memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]),
ethhdr->h_dest, ETH_ALEN);
@ -452,7 +452,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* decrement ttl */
icmp_packet->header.ttl--;
@ -580,17 +580,19 @@ batadv_find_ifalter_router(struct orig_node *primary_orig,
int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct tt_query_packet *tt_query;
struct batadv_tt_query_packet *tt_query;
uint16_t tt_size;
struct ethhdr *ethhdr;
char tt_flag;
size_t packet_size;
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet))))
if (unlikely(!pskb_may_pull(skb,
sizeof(struct batadv_tt_query_packet))))
goto out;
/* I could need to modify it */
if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0)
if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@ -603,7 +605,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_broadcast_ether_addr(ethhdr->h_source))
goto out;
tt_query = (struct tt_query_packet *)skb->data;
tt_query = (struct batadv_tt_query_packet *)skb->data;
switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) {
case BATADV_TT_REQUEST:
@ -635,13 +637,14 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_linearize(skb) < 0)
goto out;
/* skb_linearize() possibly changed skb->data */
tt_query = (struct tt_query_packet *)skb->data;
tt_query = (struct batadv_tt_query_packet *)skb->data;
tt_size = batadv_tt_len(ntohs(tt_query->tt_data));
/* Ensure we have all the claimed data */
if (unlikely(skb_headlen(skb) <
sizeof(struct tt_query_packet) + tt_size))
packet_size = sizeof(struct batadv_tt_query_packet);
packet_size += tt_size;
if (unlikely(skb_headlen(skb) < packet_size))
goto out;
batadv_handle_tt_response(bat_priv, tt_query);
@ -667,12 +670,13 @@ out:
int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct roam_adv_packet *roam_adv_packet;
struct batadv_roam_adv_packet *roam_adv_packet;
struct orig_node *orig_node;
struct ethhdr *ethhdr;
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet))))
if (unlikely(!pskb_may_pull(skb,
sizeof(struct batadv_roam_adv_packet))))
goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@ -687,7 +691,7 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX);
roam_adv_packet = (struct roam_adv_packet *)skb->data;
roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data;
if (!batadv_is_my_mac(roam_adv_packet->dst))
return batadv_route_unicast_packet(skb, recv_if);
@ -843,12 +847,12 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
struct unicast_packet *unicast_packet;
struct batadv_unicast_packet *unicast_packet;
struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb);
int ret = NET_RX_DROP;
struct sk_buff *new_skb;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* TTL exceeded */
if (unicast_packet->header.ttl < 2) {
@ -873,7 +877,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (unicast_packet->header.packet_type == BATADV_UNICAST &&
atomic_read(&bat_priv->fragmentation) &&
@ -900,7 +904,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
}
skb = new_skb;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
}
/* decrement ttl */
@ -929,15 +933,15 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
struct orig_node *orig_node;
struct ethhdr *ethhdr;
struct hard_iface *primary_if;
struct unicast_packet *unicast_packet;
struct batadv_unicast_packet *unicast_packet;
bool tt_poss_change;
int is_old_ttvn;
/* I could need to modify it */
if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
if (skb_cow(skb, sizeof(struct batadv_unicast_packet)) < 0)
return 0;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (batadv_is_my_mac(unicast_packet->dest)) {
tt_poss_change = bat_priv->tt_poss_change;
@ -958,12 +962,12 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
if (is_old_ttvn || tt_poss_change) {
/* check if there is enough data before accessing it */
if (pskb_may_pull(skb, sizeof(struct unicast_packet) +
if (pskb_may_pull(skb, sizeof(struct batadv_unicast_packet) +
ETH_HLEN) < 0)
return 0;
ethhdr = (struct ethhdr *)(skb->data +
sizeof(struct unicast_packet));
sizeof(struct batadv_unicast_packet));
/* we don't have an updated route for this client, so we should
* not try to reroute the packet!!
@ -1005,7 +1009,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_packet *unicast_packet;
struct batadv_unicast_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
if (batadv_check_unicast_packet(skb, hdr_size) < 0)
@ -1014,7 +1018,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
@ -1030,7 +1034,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet;
struct batadv_unicast_frag_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
struct sk_buff *new_skb = NULL;
int ret;
@ -1041,7 +1045,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
unicast_packet = (struct unicast_frag_packet *)skb->data;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
@ -1056,7 +1060,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
return NET_RX_SUCCESS;
batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
sizeof(struct unicast_packet));
sizeof(struct batadv_unicast_packet));
return NET_RX_SUCCESS;
}
@ -1068,7 +1072,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
struct bcast_packet *bcast_packet;
struct batadv_bcast_packet *bcast_packet;
struct ethhdr *ethhdr;
int hdr_size = sizeof(*bcast_packet);
int ret = NET_RX_DROP;
@ -1092,7 +1096,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (batadv_is_my_mac(ethhdr->h_source))
goto out;
bcast_packet = (struct bcast_packet *)skb->data;
bcast_packet = (struct batadv_bcast_packet *)skb->data;
/* ignore broadcasts originated by myself */
if (batadv_is_my_mac(bcast_packet->orig))
@ -1156,7 +1160,7 @@ out:
int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct vis_packet *vis_packet;
struct batadv_vis_packet *vis_packet;
struct ethhdr *ethhdr;
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
int hdr_size = sizeof(*vis_packet);
@ -1168,7 +1172,7 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (unlikely(!pskb_may_pull(skb, hdr_size)))
return NET_RX_DROP;
vis_packet = (struct vis_packet *)skb->data;
vis_packet = (struct batadv_vis_packet *)skb->data;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* not for me */

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

@ -43,7 +43,7 @@ void batadv_bonding_candidate_add(struct orig_node *orig_node,
struct neigh_node *neigh_node);
void batadv_bonding_save_primary(const struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
const struct batman_ogm_packet
const struct batadv_ogm_packet
*batman_ogm_packet);
int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
unsigned long *last_reset);

4
net/batman-adv/send.c
View File

@ -138,7 +138,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
{
struct hard_iface *primary_if = NULL;
struct forw_packet *forw_packet;
struct bcast_packet *bcast_packet;
struct batadv_bcast_packet *bcast_packet;
struct sk_buff *newskb;
if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
@ -161,7 +161,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
goto packet_free;
/* as we have a copy now, it is safe to decrease the TTL */
bcast_packet = (struct bcast_packet *)newskb->data;
bcast_packet = (struct batadv_bcast_packet *)newskb->data;
bcast_packet->header.ttl--;
skb_reset_mac_header(newskb);

4
net/batman-adv/soft-interface.c
View File

@ -133,7 +133,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct hard_iface *primary_if = NULL;
struct bcast_packet *bcast_packet;
struct batadv_bcast_packet *bcast_packet;
struct vlan_ethhdr *vhdr;
__be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00,
@ -208,7 +208,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
goto dropped;
bcast_packet = (struct bcast_packet *)skb->data;
bcast_packet = (struct batadv_bcast_packet *)skb->data;
bcast_packet->header.version = BATADV_COMPAT_VERSION;
bcast_packet->header.ttl = BATADV_TTL;

119
net/batman-adv/translation-table.c
View File

@ -212,7 +212,7 @@ unlock:
int batadv_tt_len(int changes_num)
{
return changes_num * sizeof(struct tt_change);
return changes_num * sizeof(struct batadv_tt_change);
}
static int batadv_tt_local_init(struct bat_priv *bat_priv)
@ -384,7 +384,7 @@ static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv,
list) {
if (count < tot_changes) {
memcpy(tt_buff + batadv_tt_len(count),
&entry->change, sizeof(struct tt_change));
&entry->change, sizeof(struct batadv_tt_change));
count++;
}
list_del(&entry->list);
@ -1366,31 +1366,32 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
void *cb_data)
{
struct tt_common_entry *tt_common_entry;
struct tt_query_packet *tt_response;
struct tt_change *tt_change;
struct batadv_tt_query_packet *tt_response;
struct batadv_tt_change *tt_change;
struct hlist_node *node;
struct hlist_head *head;
struct sk_buff *skb = NULL;
uint16_t tt_tot, tt_count;
ssize_t tt_query_size = sizeof(struct tt_query_packet);
ssize_t tt_query_size = sizeof(struct batadv_tt_query_packet);
uint32_t i;
size_t len;
if (tt_query_size + tt_len > primary_if->soft_iface->mtu) {
tt_len = primary_if->soft_iface->mtu - tt_query_size;
tt_len -= tt_len % sizeof(struct tt_change);
tt_len -= tt_len % sizeof(struct batadv_tt_change);
}
tt_tot = tt_len / sizeof(struct tt_change);
tt_tot = tt_len / sizeof(struct batadv_tt_change);
skb = dev_alloc_skb(tt_query_size + tt_len + ETH_HLEN);
len = tt_query_size + tt_len;
skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
tt_response = (struct tt_query_packet *)skb_put(skb,
tt_query_size + tt_len);
tt_response = (struct batadv_tt_query_packet *)skb_put(skb, len);
tt_response->ttvn = ttvn;
tt_change = (struct tt_change *)(skb->data + tt_query_size);
tt_change = (struct batadv_tt_change *)(skb->data + tt_query_size);
tt_count = 0;
rcu_read_lock();
@ -1430,11 +1431,12 @@ static int batadv_send_tt_request(struct bat_priv *bat_priv,
bool full_table)
{
struct sk_buff *skb = NULL;
struct tt_query_packet *tt_request;
struct batadv_tt_query_packet *tt_request;
struct neigh_node *neigh_node = NULL;
struct hard_iface *primary_if;
struct tt_req_node *tt_req_node = NULL;
int ret = 1;
size_t tt_req_len;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
@ -1447,14 +1449,14 @@ static int batadv_send_tt_request(struct bat_priv *bat_priv,
if (!tt_req_node)
goto out;
skb = dev_alloc_skb(sizeof(struct tt_query_packet) + ETH_HLEN);
skb = dev_alloc_skb(sizeof(*tt_request) + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
tt_request = (struct tt_query_packet *)skb_put(skb,
sizeof(struct tt_query_packet));
tt_req_len = sizeof(*tt_request);
tt_request = (struct batadv_tt_query_packet *)skb_put(skb, tt_req_len);
tt_request->header.packet_type = BATADV_TT_QUERY;
tt_request->header.version = BATADV_COMPAT_VERSION;
@ -1498,8 +1500,9 @@ out:
return ret;
}
static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request)
static bool
batadv_send_other_tt_response(struct bat_priv *bat_priv,
struct batadv_tt_query_packet *tt_request)
{
struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL;
struct neigh_node *neigh_node = NULL;
@ -1510,7 +1513,8 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
bool full_table;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
struct tt_query_packet *tt_response;
struct batadv_tt_query_packet *tt_response;
size_t len;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n",
@ -1555,28 +1559,28 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
if (!full_table) {
spin_lock_bh(&req_dst_orig_node->tt_buff_lock);
tt_len = req_dst_orig_node->tt_buff_len;
tt_tot = tt_len / sizeof(struct tt_change);
tt_tot = tt_len / sizeof(struct batadv_tt_change);
skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
tt_len + ETH_HLEN);
len = sizeof(*tt_response) + tt_len;
skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto unlock;
skb_reserve(skb, ETH_HLEN);
tt_response = (struct tt_query_packet *)skb_put(skb,
sizeof(struct tt_query_packet) + tt_len);
tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
len);
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
tt_buff = skb->data + sizeof(struct tt_query_packet);
tt_buff = skb->data + sizeof(*tt_response);
/* Copy the last orig_node's OGM buffer */
memcpy(tt_buff, req_dst_orig_node->tt_buff,
req_dst_orig_node->tt_buff_len);
spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
} else {
tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size) *
sizeof(struct tt_change);
tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size);
tt_len *= sizeof(struct batadv_tt_change);
ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
skb = batadv_tt_response_fill_table(tt_len, ttvn,
@ -1587,7 +1591,7 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
if (!skb)
goto out;
tt_response = (struct tt_query_packet *)skb->data;
tt_response = (struct batadv_tt_query_packet *)skb->data;
}
tt_response->header.packet_type = BATADV_TT_QUERY;
@ -1628,8 +1632,10 @@ out:
return ret;
}
static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request)
static bool
batadv_send_my_tt_response(struct bat_priv *bat_priv,
struct batadv_tt_query_packet *tt_request)
{
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
@ -1640,7 +1646,8 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
bool full_table;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
struct tt_query_packet *tt_response;
struct batadv_tt_query_packet *tt_response;
size_t len;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n",
@ -1678,26 +1685,26 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
if (!full_table) {
spin_lock_bh(&bat_priv->tt_buff_lock);
tt_len = bat_priv->tt_buff_len;
tt_tot = tt_len / sizeof(struct tt_change);
tt_tot = tt_len / sizeof(struct batadv_tt_change);
skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
tt_len + ETH_HLEN);
len = sizeof(*tt_response) + tt_len;
skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto unlock;
skb_reserve(skb, ETH_HLEN);
tt_response = (struct tt_query_packet *)skb_put(skb,
sizeof(struct tt_query_packet) + tt_len);
tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
len);
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
tt_buff = skb->data + sizeof(struct tt_query_packet);
tt_buff = skb->data + sizeof(*tt_response);
memcpy(tt_buff, bat_priv->tt_buff,
bat_priv->tt_buff_len);
spin_unlock_bh(&bat_priv->tt_buff_lock);
} else {
tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt) *
sizeof(struct tt_change);
tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt);
tt_len *= sizeof(struct batadv_tt_change);
ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
skb = batadv_tt_response_fill_table(tt_len, ttvn,
@ -1708,7 +1715,7 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
if (!skb)
goto out;
tt_response = (struct tt_query_packet *)skb->data;
tt_response = (struct batadv_tt_query_packet *)skb->data;
}
tt_response->header.packet_type = BATADV_TT_QUERY;
@ -1748,7 +1755,7 @@ out:
}
bool batadv_send_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request)
struct batadv_tt_query_packet *tt_request)
{
if (batadv_is_my_mac(tt_request->dst)) {
/* don't answer backbone gws! */
@ -1763,7 +1770,7 @@ bool batadv_send_tt_response(struct bat_priv *bat_priv,
static void _batadv_tt_update_changes(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct tt_change *tt_change,
struct batadv_tt_change *tt_change,
uint16_t tt_num_changes, uint8_t ttvn)
{
int i;
@ -1793,7 +1800,7 @@ static void _batadv_tt_update_changes(struct bat_priv *bat_priv,
}
static void batadv_tt_fill_gtable(struct bat_priv *bat_priv,
struct tt_query_packet *tt_response)
struct batadv_tt_query_packet *tt_response)
{
struct orig_node *orig_node = NULL;
@ -1805,7 +1812,7 @@ static void batadv_tt_fill_gtable(struct bat_priv *bat_priv,
batadv_tt_global_del_orig(bat_priv, orig_node, "Received full table");
_batadv_tt_update_changes(bat_priv, orig_node,
(struct tt_change *)(tt_response + 1),
(struct batadv_tt_change *)(tt_response + 1),
ntohs(tt_response->tt_data),
tt_response->ttvn);
@ -1825,7 +1832,7 @@ out:
static void batadv_tt_update_changes(struct bat_priv *bat_priv,
struct orig_node *orig_node,
uint16_t tt_num_changes, uint8_t ttvn,
struct tt_change *tt_change)
struct batadv_tt_change *tt_change)
{
_batadv_tt_update_changes(bat_priv, orig_node, tt_change,
tt_num_changes, ttvn);
@ -1856,10 +1863,11 @@ out:
}
void batadv_handle_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_response)
struct batadv_tt_query_packet *tt_response)
{
struct tt_req_node *node, *safe;
struct orig_node *orig_node = NULL;
struct batadv_tt_change *tt_change;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n",
@ -1875,13 +1883,14 @@ void batadv_handle_tt_response(struct bat_priv *bat_priv,
if (!orig_node)
goto out;
if (tt_response->flags & BATADV_TT_FULL_TABLE)
if (tt_response->flags & BATADV_TT_FULL_TABLE) {
batadv_tt_fill_gtable(bat_priv, tt_response);
else
} else {
tt_change = (struct batadv_tt_change *)(tt_response + 1);
batadv_tt_update_changes(bat_priv, orig_node,
ntohs(tt_response->tt_data),
tt_response->ttvn,
(struct tt_change *)(tt_response + 1));
tt_response->ttvn, tt_change);
}
/* Delete the tt_req_node from pending tt_requests list */
spin_lock_bh(&bat_priv->tt_req_list_lock);
@ -2006,9 +2015,10 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
{
struct neigh_node *neigh_node = NULL;
struct sk_buff *skb = NULL;
struct roam_adv_packet *roam_adv_packet;
struct batadv_roam_adv_packet *roam_adv_packet;
int ret = 1;
struct hard_iface *primary_if;
size_t len = sizeof(*roam_adv_packet);
/* before going on we have to check whether the client has
* already roamed to us too many times
@ -2016,14 +2026,13 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
if (!batadv_tt_check_roam_count(bat_priv, client))
goto out;
skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN);
skb = dev_alloc_skb(sizeof(*roam_adv_packet) + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
roam_adv_packet = (struct roam_adv_packet *)skb_put(skb,
sizeof(struct roam_adv_packet));
roam_adv_packet = (struct batadv_roam_adv_packet *)skb_put(skb, len);
roam_adv_packet->header.packet_type = BATADV_ROAM_ADV;
roam_adv_packet->header.version = BATADV_COMPAT_VERSION;
@ -2255,6 +2264,7 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv,
{
uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
bool full_table = true;
struct batadv_tt_change *tt_change;
/* don't care about a backbone gateways updates. */
if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig))
@ -2275,8 +2285,9 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv,
goto request_table;
}
tt_change = (struct batadv_tt_change *)tt_buff;
batadv_tt_update_changes(bat_priv, orig_node, tt_num_changes,
ttvn, (struct tt_change *)tt_buff);
ttvn, tt_change);
/* Even if we received the precomputed crc with the OGM, we
* prefer to recompute it to spot any possible inconsistency

4
net/batman-adv/translation-table.h
View File

@ -43,10 +43,10 @@ struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv,
const uint8_t *addr);
void batadv_tt_free(struct bat_priv *bat_priv);
bool batadv_send_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request);
struct batadv_tt_query_packet *tt_request);
bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr);
void batadv_handle_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_response);
struct batadv_tt_query_packet *tt_response);
bool batadv_is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src,
uint8_t *dst);
void batadv_tt_update_orig(struct bat_priv *bat_priv,

10
net/batman-adv/types.h
View File

@ -25,8 +25,8 @@
#include <linux/kernel.h>
#define BATADV_HEADER_LEN \
(ETH_HLEN + max(sizeof(struct unicast_packet), \
sizeof(struct bcast_packet)))
(ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \
sizeof(struct batadv_bcast_packet)))
struct hard_iface {
struct list_head list;
@ -211,7 +211,7 @@ struct bat_priv {
#ifdef CONFIG_BATMAN_ADV_BLA
struct bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
int bcast_duplist_curr;
struct bla_claim_dst claim_dest;
struct batadv_bla_claim_dst claim_dest;
#endif
spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
spinlock_t forw_bcast_list_lock; /* protects */
@ -250,7 +250,7 @@ struct socket_client {
struct socket_packet {
struct list_head list;
size_t icmp_len;
struct icmp_packet_rr icmp_packet;
struct batadv_icmp_packet_rr icmp_packet;
};
struct tt_common_entry {
@ -306,7 +306,7 @@ struct claim {
struct tt_change_node {
struct list_head list;
struct tt_change change;
struct batadv_tt_change change;
};
struct tt_req_node {

38
net/batman-adv/unicast.c
View File

@ -34,13 +34,13 @@ batadv_frag_merge_packet(struct list_head *head,
struct frag_packet_list_entry *tfp,
struct sk_buff *skb)
{
struct unicast_frag_packet *up =
(struct unicast_frag_packet *)skb->data;
struct batadv_unicast_frag_packet *up;
struct sk_buff *tmp_skb;
struct unicast_packet *unicast_packet;
struct batadv_unicast_packet *unicast_packet;
int hdr_len = sizeof(*unicast_packet);
int uni_diff = sizeof(*up) - hdr_len;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* set skb to the first part and tmp_skb to the second part */
if (up->flags & BATADV_UNI_FRAG_HEAD) {
tmp_skb = tfp->skb;
@ -65,7 +65,8 @@ batadv_frag_merge_packet(struct list_head *head,
kfree_skb(tmp_skb);
memmove(skb->data + uni_diff, skb->data, hdr_len);
unicast_packet = (struct unicast_packet *)skb_pull(skb, uni_diff);
unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb,
uni_diff);
unicast_packet->header.packet_type = BATADV_UNICAST;
return skb;
@ -80,8 +81,9 @@ static void batadv_frag_create_entry(struct list_head *head,
struct sk_buff *skb)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *up =
(struct unicast_frag_packet *)skb->data;
struct batadv_unicast_frag_packet *up;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* free and oldest packets stand at the end */
tfp = list_entry((head)->prev, typeof(*tfp), list);
@ -115,10 +117,10 @@ static int batadv_frag_create_buffer(struct list_head *head)
static struct frag_packet_list_entry *
batadv_frag_search_packet(struct list_head *head,
const struct unicast_frag_packet *up)
const struct batadv_unicast_frag_packet *up)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *tmp_up = NULL;
struct batadv_unicast_frag_packet *tmp_up = NULL;
uint16_t search_seqno;
if (up->flags & BATADV_UNI_FRAG_HEAD)
@ -134,7 +136,7 @@ batadv_frag_search_packet(struct list_head *head,
if (tfp->seqno == ntohs(up->seqno))
goto mov_tail;
tmp_up = (struct unicast_frag_packet *)tfp->skb->data;
tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data;
if (tfp->seqno == search_seqno) {
@ -179,9 +181,9 @@ int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct orig_node *orig_node;
struct frag_packet_list_entry *tmp_frag_entry;
int ret = NET_RX_DROP;
struct unicast_frag_packet *unicast_packet =
(struct unicast_frag_packet *)skb->data;
struct batadv_unicast_frag_packet *unicast_packet;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
*new_skb = NULL;
orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->orig);
@ -220,10 +222,10 @@ out:
int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct hard_iface *hard_iface, const uint8_t dstaddr[])
{
struct unicast_packet tmp_uc, *unicast_packet;
struct batadv_unicast_packet tmp_uc, *unicast_packet;
struct hard_iface *primary_if;
struct sk_buff *frag_skb;
struct unicast_frag_packet *frag1, *frag2;
struct batadv_unicast_frag_packet *frag1, *frag2;
int uc_hdr_len = sizeof(*unicast_packet);
int ucf_hdr_len = sizeof(*frag1);
int data_len = skb->len - uc_hdr_len;
@ -239,7 +241,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
goto dropped;
skb_reserve(frag_skb, ucf_hdr_len);
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
memcpy(&tmp_uc, unicast_packet, uc_hdr_len);
skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len);
@ -247,8 +249,8 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
batadv_skb_head_push(frag_skb, ucf_hdr_len) < 0)
goto drop_frag;
frag1 = (struct unicast_frag_packet *)skb->data;
frag2 = (struct unicast_frag_packet *)frag_skb->data;
frag1 = (struct batadv_unicast_frag_packet *)skb->data;
frag2 = (struct batadv_unicast_frag_packet *)frag_skb->data;
memcpy(frag1, &tmp_uc, sizeof(tmp_uc));
@ -287,7 +289,7 @@ out:
int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct unicast_packet *unicast_packet;
struct batadv_unicast_packet *unicast_packet;
struct orig_node *orig_node;
struct neigh_node *neigh_node;
int data_len = skb->len;
@ -317,7 +319,7 @@ find_router:
if (batadv_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
goto out;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
unicast_packet->header.version = BATADV_COMPAT_VERSION;
/* batman packet type: unicast */

6
net/batman-adv/unicast.h
View File

@ -35,11 +35,11 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu)
{
const struct unicast_frag_packet *unicast_packet;
const struct batadv_unicast_frag_packet *unicast_packet;
int uneven_correction = 0;
unsigned int merged_size;
unicast_packet = (struct unicast_frag_packet *)skb->data;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
if (unicast_packet->flags & BATADV_UNI_FRAG_LARGETAIL) {
if (unicast_packet->flags & BATADV_UNI_FRAG_HEAD)
@ -49,7 +49,7 @@ static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu)
}
merged_size = (skb->len - sizeof(*unicast_packet)) * 2;
merged_size += sizeof(struct unicast_packet) + uneven_correction;
merged_size += sizeof(struct batadv_unicast_packet) + uneven_correction;
return merged_size <= mtu;
}

81
net/batman-adv/vis.c
View File

@ -53,12 +53,12 @@ static void batadv_free_info(struct kref *ref)
static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
{
const struct vis_info *d1, *d2;
const struct vis_packet *p1, *p2;
const struct batadv_vis_packet *p1, *p2;
d1 = container_of(node, struct vis_info, hash_entry);
d2 = data2;
p1 = (struct vis_packet *)d1->skb_packet->data;
p2 = (struct vis_packet *)d2->skb_packet->data;
p1 = (struct batadv_vis_packet *)d1->skb_packet->data;
p2 = (struct batadv_vis_packet *)d2->skb_packet->data;
return batadv_compare_eth(p1->vis_orig, p2->vis_orig);
}
@ -68,12 +68,12 @@ static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
static uint32_t batadv_vis_info_choose(const void *data, uint32_t size)
{
const struct vis_info *vis_info = data;
const struct vis_packet *packet;
const struct batadv_vis_packet *packet;
const unsigned char *key;
uint32_t hash = 0;
size_t i;
packet = (struct vis_packet *)vis_info->skb_packet->data;
packet = (struct batadv_vis_packet *)vis_info->skb_packet->data;
key = packet->vis_orig;
for (i = 0; i < ETH_ALEN; i++) {
hash += key[i];
@ -169,7 +169,7 @@ static ssize_t batadv_vis_data_read_entry(struct seq_file *seq,
}
static void batadv_vis_data_insert_interfaces(struct hlist_head *list,
struct vis_packet *packet,
struct batadv_vis_packet *packet,
struct vis_info_entry *entries)
{
int i;
@ -187,7 +187,7 @@ static void batadv_vis_data_insert_interfaces(struct hlist_head *list,
static void batadv_vis_data_read_entries(struct seq_file *seq,
struct hlist_head *list,
struct vis_packet *packet,
struct batadv_vis_packet *packet,
struct vis_info_entry *entries)
{
int i;
@ -214,7 +214,7 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq,
{
struct hlist_node *node;
struct vis_info *info;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
uint8_t *entries_pos;
struct vis_info_entry *entries;
struct if_list_entry *entry;
@ -223,7 +223,7 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq,
HLIST_HEAD(vis_if_list);
hlist_for_each_entry_rcu(info, node, head, hash_entry) {
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
entries_pos = (uint8_t *)packet + sizeof(*packet);
entries = (struct vis_info_entry *)entries_pos;
@ -334,15 +334,17 @@ static int batadv_recv_list_is_in(struct bat_priv *bat_priv,
* is newer than old entries in the hash.
*/
static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
struct batadv_vis_packet *vis_packet,
int vis_info_len, int *is_new,
int make_broadcast)
{
struct vis_info *info, *old_info;
struct vis_packet *search_packet, *old_packet;
struct batadv_vis_packet *search_packet, *old_packet;
struct vis_info search_elem;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
struct sk_buff *tmp_skb;
int hash_added;
size_t len;
*is_new = 0;
/* sanity check */
@ -353,15 +355,17 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet));
if (!search_elem.skb_packet)
return NULL;
search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet,
sizeof(*search_packet));
len = sizeof(*search_packet);
tmp_skb = search_elem.skb_packet;
search_packet = (struct batadv_vis_packet *)skb_put(tmp_skb, len);
memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN);
old_info = batadv_vis_hash_find(bat_priv, &search_elem);
kfree_skb(search_elem.skb_packet);
if (old_info) {
old_packet = (struct vis_packet *)old_info->skb_packet->data;
tmp_skb = old_info->skb_packet;
old_packet = (struct batadv_vis_packet *)tmp_skb->data;
if (!batadv_seq_after(ntohl(vis_packet->seqno),
ntohl(old_packet->seqno))) {
if (old_packet->seqno == vis_packet->seqno) {
@ -385,22 +389,21 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
if (!info)
return NULL;
info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len +
ETH_HLEN);
len = sizeof(*packet) + vis_info_len;
info->skb_packet = dev_alloc_skb(len + ETH_HLEN);
if (!info->skb_packet) {
kfree(info);
return NULL;
}
skb_reserve(info->skb_packet, ETH_HLEN);
packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet)
+ vis_info_len);
packet = (struct batadv_vis_packet *)skb_put(info->skb_packet, len);
kref_init(&info->refcount);
INIT_LIST_HEAD(&info->send_list);
INIT_LIST_HEAD(&info->recv_list);
info->first_seen = jiffies;
info->bat_priv = bat_priv;
memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len);
memcpy(packet, vis_packet, len);
/* initialize and add new packet. */
*is_new = 1;
@ -430,7 +433,7 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
/* handle the server sync packet, forward if needed. */
void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
struct batadv_vis_packet *vis_packet,
int vis_info_len)
{
struct vis_info *info;
@ -456,11 +459,11 @@ end:
/* handle an incoming client update packet and schedule forward if needed. */
void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
struct batadv_vis_packet *vis_packet,
int vis_info_len)
{
struct vis_info *info;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
int is_new;
int vis_server = atomic_read(&bat_priv->vis_mode);
int are_target = 0;
@ -482,7 +485,7 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
goto end;
/* note that outdated packets will be dropped at this point. */
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
/* send only if we're the target server or ... */
if (are_target && is_new) {
@ -511,11 +514,11 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
int best_tq = -1;
uint32_t i;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
@ -543,10 +546,10 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
/* Return true if the vis packet is full. */
static bool batadv_vis_packet_full(const struct vis_info *info)
{
const struct vis_packet *packet;
const struct batadv_vis_packet *packet;
size_t num_items;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
num_items = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry);
if (num_items < packet->entries + 1)
@ -565,13 +568,14 @@ static int batadv_generate_vis_packet(struct bat_priv *bat_priv)
struct orig_node *orig_node;
struct neigh_node *router;
struct vis_info *info = bat_priv->my_vis_info;
struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data;
struct batadv_vis_packet *packet;
struct vis_info_entry *entry;
struct tt_common_entry *tt_common_entry;
int best_tq = -1;
uint32_t i;
info->first_seen = jiffies;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
packet->vis_type = atomic_read(&bat_priv->vis_mode);
memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN);
@ -691,14 +695,14 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
struct sk_buff *skb;
struct hard_iface *hard_iface;
uint8_t dstaddr[ETH_ALEN];
uint32_t i;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
/* send to all routers in range. */
for (i = 0; i < hash->size; i++) {
@ -745,9 +749,9 @@ static void batadv_unicast_vis_packet(struct bat_priv *bat_priv,
struct orig_node *orig_node;
struct neigh_node *router = NULL;
struct sk_buff *skb;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
orig_node = batadv_orig_hash_find(bat_priv, packet->target_orig);
if (!orig_node)
@ -773,13 +777,13 @@ static void batadv_send_vis_packet(struct bat_priv *bat_priv,
struct vis_info *info)
{
struct hard_iface *primary_if;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
if (packet->header.ttl < 2) {
pr_debug("Error - can't send vis packet: ttl exceeded\n");
goto out;
@ -838,10 +842,11 @@ static void batadv_send_vis_packets(struct work_struct *work)
*/
int batadv_vis_init(struct bat_priv *bat_priv)
{
struct vis_packet *packet;
struct batadv_vis_packet *packet;
int hash_added;
unsigned int len;
unsigned long first_seen;
struct sk_buff *tmp_skb;
if (bat_priv->vis_hash)
return 0;
@ -864,8 +869,8 @@ int batadv_vis_init(struct bat_priv *bat_priv)
goto free_info;
skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN);
packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet,
sizeof(*packet));
tmp_skb = bat_priv->my_vis_info->skb_packet;
packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet));
/* prefill the vis info */
first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL);

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

@ -25,10 +25,10 @@
int batadv_vis_seq_print_text(struct seq_file *seq, void *offset);
void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
struct batadv_vis_packet *vis_packet,
int vis_info_len);
void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
struct batadv_vis_packet *vis_packet,
int vis_info_len);
int batadv_vis_init(struct bat_priv *bat_priv);
void batadv_vis_quit(struct bat_priv *bat_priv);