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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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);