summaryrefslogtreecommitdiffstats
path: root/net/batman-adv/bat_iv_ogm.c
diff options
context:
space:
mode:
authorSven Eckelmann2012-05-12 13:48:58 +0200
committerAntonio Quartulli2012-06-25 08:21:30 +0200
commit1eda58bfc56c43e73a0cf2bfb6e4d620ab866109 (patch)
treed71ba63d988193126831e49bdce03a1131d28ea4 /net/batman-adv/bat_iv_ogm.c
parentbatman-adv: Prefix unicast static inline functions with batadv_ (diff)
downloadkernel-qcow2-linux-1eda58bfc56c43e73a0cf2bfb6e4d620ab866109.tar.gz
kernel-qcow2-linux-1eda58bfc56c43e73a0cf2bfb6e4d620ab866109.tar.xz
kernel-qcow2-linux-1eda58bfc56c43e73a0cf2bfb6e4d620ab866109.zip
batman-adv: Prefix main static inline functions with batadv_
All non-static symbols of batman-adv were prefixed with batadv_ to avoid collisions with other symbols of the kernel. Other symbols of batman-adv should use the same prefix to keep the naming scheme consistent. Signed-off-by: Sven Eckelmann <sven@narfation.org>
Diffstat (limited to 'net/batman-adv/bat_iv_ogm.c')
-rw-r--r--net/batman-adv/bat_iv_ogm.c206
1 files changed, 107 insertions, 99 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 94e6fdbdd13d..025df7c9a2d9 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -179,16 +179,16 @@ static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
"Sending own" :
"Forwarding"));
- bat_dbg(DBG_BATMAN, bat_priv,
- "%s %spacket (originator %pM, seqno %u, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n",
- fwd_str, (packet_num > 0 ? "aggregated " : ""),
- batman_ogm_packet->orig,
- ntohl(batman_ogm_packet->seqno),
- batman_ogm_packet->tq, batman_ogm_packet->header.ttl,
- (batman_ogm_packet->flags & DIRECTLINK ?
- "on" : "off"),
- batman_ogm_packet->ttvn, hard_iface->net_dev->name,
- hard_iface->net_dev->dev_addr);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "%s %spacket (originator %pM, seqno %u, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n",
+ fwd_str, (packet_num > 0 ? "aggregated " : ""),
+ batman_ogm_packet->orig,
+ ntohl(batman_ogm_packet->seqno),
+ batman_ogm_packet->tq, batman_ogm_packet->header.ttl,
+ (batman_ogm_packet->flags & DIRECTLINK ?
+ "on" : "off"),
+ batman_ogm_packet->ttvn, hard_iface->net_dev->name,
+ hard_iface->net_dev->dev_addr);
buff_pos += BATMAN_OGM_HLEN;
buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes);
@@ -243,14 +243,14 @@ static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
(forw_packet->own && (forw_packet->if_incoming != primary_if))) {
/* FIXME: what about aggregated packets ? */
- bat_dbg(DBG_BATMAN, bat_priv,
- "%s packet (originator %pM, seqno %u, TTL %d) on interface %s [%pM]\n",
- (forw_packet->own ? "Sending own" : "Forwarding"),
- batman_ogm_packet->orig,
- ntohl(batman_ogm_packet->seqno),
- batman_ogm_packet->header.ttl,
- forw_packet->if_incoming->net_dev->name,
- forw_packet->if_incoming->net_dev->dev_addr);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "%s packet (originator %pM, seqno %u, TTL %d) on interface %s [%pM]\n",
+ (forw_packet->own ? "Sending own" : "Forwarding"),
+ batman_ogm_packet->orig,
+ ntohl(batman_ogm_packet->seqno),
+ batman_ogm_packet->header.ttl,
+ forw_packet->if_incoming->net_dev->name,
+ forw_packet->if_incoming->net_dev->dev_addr);
/* skb is only used once and than forw_packet is free'd */
batadv_send_skb_packet(forw_packet->skb,
@@ -373,8 +373,8 @@ static void bat_iv_ogm_aggregate_new(const unsigned char *packet_buff,
/* own packet should always be scheduled */
if (!own_packet) {
if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "batman packet queue full\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "batman packet queue full\n");
goto out;
}
}
@@ -521,7 +521,7 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node,
uint8_t tt_num_changes;
if (batman_ogm_packet->header.ttl <= 1) {
- bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
+ batadv_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
return;
}
@@ -546,9 +546,9 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node,
/* apply hop penalty */
batman_ogm_packet->tq = hop_penalty(batman_ogm_packet->tq, bat_priv);
- bat_dbg(DBG_BATMAN, bat_priv,
- "Forwarding packet: tq: %i, ttl: %i\n",
- batman_ogm_packet->tq, batman_ogm_packet->header.ttl);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Forwarding packet: tq: %i, ttl: %i\n",
+ batman_ogm_packet->tq, batman_ogm_packet->header.ttl);
/* switch of primaries first hop flag when forwarding */
batman_ogm_packet->flags &= ~PRIMARIES_FIRST_HOP;
@@ -625,16 +625,18 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
struct orig_node *orig_node_tmp;
struct hlist_node *node;
uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
+ uint8_t *neigh_addr;
- bat_dbg(DBG_BATMAN, bat_priv,
- "update_originator(): Searching and updating originator entry of received packet\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "update_originator(): Searching and updating originator entry of received packet\n");
rcu_read_lock();
hlist_for_each_entry_rcu(tmp_neigh_node, node,
&orig_node->neigh_list, list) {
- if (compare_eth(tmp_neigh_node->addr, ethhdr->h_source) &&
- (tmp_neigh_node->if_incoming == if_incoming) &&
- atomic_inc_not_zero(&tmp_neigh_node->refcount)) {
+ neigh_addr = tmp_neigh_node->addr;
+ if (batadv_compare_eth(neigh_addr, ethhdr->h_source) &&
+ tmp_neigh_node->if_incoming == if_incoming &&
+ atomic_inc_not_zero(&tmp_neigh_node->refcount)) {
if (neigh_node)
batadv_neigh_node_free_ref(neigh_node);
neigh_node = tmp_neigh_node;
@@ -667,8 +669,8 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
if (!neigh_node)
goto unlock;
} else
- bat_dbg(DBG_BATMAN, bat_priv,
- "Updating existing last-hop neighbor of originator\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Updating existing last-hop neighbor of originator\n");
rcu_read_unlock();
@@ -774,7 +776,8 @@ static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
hlist_for_each_entry_rcu(tmp_neigh_node, node,
&orig_neigh_node->neigh_list, list) {
- if (!compare_eth(tmp_neigh_node->addr, orig_neigh_node->orig))
+ if (!batadv_compare_eth(tmp_neigh_node->addr,
+ orig_neigh_node->orig))
continue;
if (tmp_neigh_node->if_incoming != if_incoming)
@@ -844,10 +847,11 @@ static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
* tq_asym_penalty) /
(TQ_MAX_VALUE * TQ_MAX_VALUE));
- bat_dbg(DBG_BATMAN, bat_priv,
- "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
- orig_node->orig, orig_neigh_node->orig, total_count,
- neigh_rq_count, tq_own, tq_asym_penalty, batman_ogm_packet->tq);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n",
+ orig_node->orig, orig_neigh_node->orig, total_count,
+ neigh_rq_count, tq_own,
+ tq_asym_penalty, batman_ogm_packet->tq);
/* if link has the minimum required transmission quality
* consider it bidirectional
@@ -883,6 +887,7 @@ static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
int need_update = 0;
int set_mark, ret = -1;
uint32_t seqno = ntohl(batman_ogm_packet->seqno);
+ uint8_t *neigh_addr;
orig_node = batadv_get_orig_node(bat_priv, batman_ogm_packet->orig);
if (!orig_node)
@@ -905,8 +910,9 @@ static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
orig_node->last_real_seqno,
seqno);
- if (compare_eth(tmp_neigh_node->addr, ethhdr->h_source) &&
- (tmp_neigh_node->if_incoming == if_incoming))
+ neigh_addr = tmp_neigh_node->addr;
+ if (batadv_compare_eth(neigh_addr, ethhdr->h_source) &&
+ tmp_neigh_node->if_incoming == if_incoming)
set_mark = 1;
else
set_mark = 0;
@@ -923,9 +929,9 @@ static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
rcu_read_unlock();
if (need_update) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "updating last_seqno: old %u, new %u\n",
- orig_node->last_real_seqno, seqno);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "updating last_seqno: old %u, new %u\n",
+ orig_node->last_real_seqno, seqno);
orig_node->last_real_seqno = seqno;
}
@@ -954,6 +960,7 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
bool is_from_best_next_hop = false;
int is_duplicate;
uint32_t if_incoming_seqno;
+ uint8_t *prev_sender;
/* Silently drop when the batman packet is actually not a
* correct packet.
@@ -975,18 +982,19 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
has_directlink_flag = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0);
- if (compare_eth(ethhdr->h_source, batman_ogm_packet->orig))
+ if (batadv_compare_eth(ethhdr->h_source, batman_ogm_packet->orig))
is_single_hop_neigh = true;
- bat_dbg(DBG_BATMAN, bat_priv,
- "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %u, ttvn %u, crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n",
- ethhdr->h_source, if_incoming->net_dev->name,
- if_incoming->net_dev->dev_addr, batman_ogm_packet->orig,
- batman_ogm_packet->prev_sender, ntohl(batman_ogm_packet->seqno),
- batman_ogm_packet->ttvn, ntohs(batman_ogm_packet->tt_crc),
- batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq,
- batman_ogm_packet->header.ttl,
- batman_ogm_packet->header.version, has_directlink_flag);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %u, ttvn %u, crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n",
+ ethhdr->h_source, if_incoming->net_dev->name,
+ if_incoming->net_dev->dev_addr, batman_ogm_packet->orig,
+ batman_ogm_packet->prev_sender,
+ ntohl(batman_ogm_packet->seqno), batman_ogm_packet->ttvn,
+ ntohs(batman_ogm_packet->tt_crc),
+ batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq,
+ batman_ogm_packet->header.ttl,
+ batman_ogm_packet->header.version, has_directlink_flag);
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
@@ -996,16 +1004,16 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
if (hard_iface->soft_iface != if_incoming->soft_iface)
continue;
- if (compare_eth(ethhdr->h_source,
- hard_iface->net_dev->dev_addr))
+ if (batadv_compare_eth(ethhdr->h_source,
+ hard_iface->net_dev->dev_addr))
is_my_addr = 1;
- if (compare_eth(batman_ogm_packet->orig,
- hard_iface->net_dev->dev_addr))
+ if (batadv_compare_eth(batman_ogm_packet->orig,
+ hard_iface->net_dev->dev_addr))
is_my_orig = 1;
- if (compare_eth(batman_ogm_packet->prev_sender,
- hard_iface->net_dev->dev_addr))
+ if (batadv_compare_eth(batman_ogm_packet->prev_sender,
+ hard_iface->net_dev->dev_addr))
is_my_oldorig = 1;
if (is_broadcast_ether_addr(ethhdr->h_source))
@@ -1014,23 +1022,23 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
rcu_read_unlock();
if (batman_ogm_packet->header.version != COMPAT_VERSION) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: incompatible batman version (%i)\n",
- batman_ogm_packet->header.version);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: incompatible batman version (%i)\n",
+ batman_ogm_packet->header.version);
return;
}
if (is_my_addr) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: received my own broadcast (sender: %pM)\n",
- ethhdr->h_source);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: received my own broadcast (sender: %pM)\n",
+ ethhdr->h_source);
return;
}
if (is_broadcast) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n",
- ethhdr->h_source);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n",
+ ethhdr->h_source);
return;
}
@@ -1049,8 +1057,8 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
* save packet seqno for bidirectional check
*/
if (has_directlink_flag &&
- compare_eth(if_incoming->net_dev->dev_addr,
- batman_ogm_packet->orig)) {
+ batadv_compare_eth(if_incoming->net_dev->dev_addr,
+ batman_ogm_packet->orig)) {
offset = if_incoming->if_num * NUM_WORDS;
spin_lock_bh(&orig_neigh_node->ogm_cnt_lock);
@@ -1063,23 +1071,23 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
spin_unlock_bh(&orig_neigh_node->ogm_cnt_lock);
}
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: originator packet from myself (via neighbor)\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: originator packet from myself (via neighbor)\n");
batadv_orig_node_free_ref(orig_neigh_node);
return;
}
if (is_my_oldorig) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n",
- ethhdr->h_source);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n",
+ ethhdr->h_source);
return;
}
if (batman_ogm_packet->flags & NOT_BEST_NEXT_HOP) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: ignoring all packets not forwarded from the best next hop (sender: %pM)\n",
- ethhdr->h_source);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: ignoring all packets not forwarded from the best next hop (sender: %pM)\n",
+ ethhdr->h_source);
return;
}
@@ -1091,15 +1099,15 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
if_incoming);
if (is_duplicate == -1) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: packet within seqno protection time (sender: %pM)\n",
- ethhdr->h_source);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: packet within seqno protection time (sender: %pM)\n",
+ ethhdr->h_source);
goto out;
}
if (batman_ogm_packet->tq == 0) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: originator packet with tq equal 0\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: originator packet with tq equal 0\n");
goto out;
}
@@ -1108,18 +1116,18 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
router_router = batadv_orig_node_get_router(router->orig_node);
if ((router && router->tq_avg != 0) &&
- (compare_eth(router->addr, ethhdr->h_source)))
+ (batadv_compare_eth(router->addr, ethhdr->h_source)))
is_from_best_next_hop = true;
+ prev_sender = batman_ogm_packet->prev_sender;
/* avoid temporary routing loops */
if (router && router_router &&
- (compare_eth(router->addr, batman_ogm_packet->prev_sender)) &&
- !(compare_eth(batman_ogm_packet->orig,
- batman_ogm_packet->prev_sender)) &&
- (compare_eth(router->addr, router_router->addr))) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n",
- ethhdr->h_source);
+ (batadv_compare_eth(router->addr, prev_sender)) &&
+ !(batadv_compare_eth(batman_ogm_packet->orig, prev_sender)) &&
+ (batadv_compare_eth(router->addr, router_router->addr))) {
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n",
+ ethhdr->h_source);
goto out;
}
@@ -1138,8 +1146,8 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
* don't route towards it
*/
if (!is_single_hop_neigh && (!orig_neigh_router)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: OGM via unknown neighbor!\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: OGM via unknown neighbor!\n");
goto out_neigh;
}
@@ -1168,26 +1176,26 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
is_single_hop_neigh, is_from_best_next_hop,
if_incoming);
- bat_dbg(DBG_BATMAN, bat_priv,
- "Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
goto out_neigh;
}
/* multihop originator */
if (!is_bidirectional) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: not received via bidirectional link\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: not received via bidirectional link\n");
goto out_neigh;
}
if (is_duplicate) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: duplicate packet received\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Drop packet: duplicate packet received\n");
goto out_neigh;
}
- bat_dbg(DBG_BATMAN, bat_priv,
- "Forwarding packet: rebroadcast originator packet\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Forwarding packet: rebroadcast originator packet\n");
bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
is_single_hop_neigh, is_from_best_next_hop,
if_incoming);