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;
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;
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 */
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)
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" :
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);
}
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");
/* 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);
/* 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);
* 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
* 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;
*/
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 */
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,
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)
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;
}
* 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());
}
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;
&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,
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)
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)
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);
/* 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) &&
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);
orig_neigh_node->orig,
orig_neigh_node,
orig_neigh_node,
- batman_ogm_packet->seqno);
+ batadv_ogm_packet->seqno);
if (!neigh_node)
goto out;
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:
*/
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);
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;
}
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)
{
* 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) {
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;
}
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;
}
*/
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,
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) {
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;
(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",
}
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);
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);
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;
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;
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);
{
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 */
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;
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,
* 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;
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,
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;
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,
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)
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))
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;
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) {
}
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;
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);
}
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;
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;
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_ */
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;
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)
/* 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];
__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];
/* 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];
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;
__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 */
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
__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;
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;
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) {
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);
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) {
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);
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)))
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);
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--;
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);
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:
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);
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);
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);
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) {
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) &&
}
skb = new_skb;
- unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
}
/* decrement ttl */
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;
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!!
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)
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)) {
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;
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)) {
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;
}
{
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;
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))
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);
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 */
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);
{
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)) {
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);
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,
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;
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)
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);
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();
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)
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;
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;
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",
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,
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;
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;
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",
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,
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;
}
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! */
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;
}
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;
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);
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);
}
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",
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);
{
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
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;
{
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))
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
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,
#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;
#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 */
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 {
struct tt_change_node {
struct list_head list;
- struct tt_change change;
+ struct batadv_tt_change change;
};
struct tt_req_node {
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;
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;
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);
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)
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) {
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);
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;
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);
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));
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;
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 */
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)
}
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;
}
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);
}
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];
}
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;
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;
{
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;
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;
* 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 */
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) {
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;
/* 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;
/* 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;
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) {
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];
/* 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)
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);
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++) {
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)
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;
*/
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;
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);
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);
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff