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batman-adv: Prefix bat_iv_ogm local static 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>
This commit is contained in:
Sven Eckelmann 2012-05-12 18:33:51 +02:00 коммит произвёл Antonio Quartulli
Родитель 1eda58bfc5
Коммит fe8bc39699
1 изменённых файлов: 130 добавлений и 127 удалений
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257
net/batman-adv/bat_iv_ogm.c
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@ -28,11 +28,11 @@
#include "send.h"
#include "bat_algo.h"
static struct neigh_node *bat_iv_ogm_neigh_new(struct hard_iface *hard_iface,
const uint8_t *neigh_addr,
struct orig_node *orig_node,
struct orig_node *orig_neigh,
__be32 seqno)
static struct neigh_node *batadv_iv_ogm_neigh_new(struct hard_iface *hard_iface,
const uint8_t *neigh_addr,
struct orig_node *orig_node,
struct orig_node *orig_neigh,
__be32 seqno)
{
struct neigh_node *neigh_node;
@ -54,7 +54,7 @@ out:
return neigh_node;
}
static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
uint32_t random_seqno;
@ -85,13 +85,13 @@ out:
return res;
}
static void bat_iv_ogm_iface_disable(struct hard_iface *hard_iface)
static void batadv_iv_ogm_iface_disable(struct hard_iface *hard_iface)
{
kfree(hard_iface->packet_buff);
hard_iface->packet_buff = NULL;
}
static void bat_iv_ogm_iface_update_mac(struct hard_iface *hard_iface)
static void batadv_iv_ogm_iface_update_mac(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
@ -102,7 +102,7 @@ static void bat_iv_ogm_iface_update_mac(struct hard_iface *hard_iface)
hard_iface->net_dev->dev_addr, ETH_ALEN);
}
static void bat_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
static void batadv_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
@ -112,7 +112,8 @@ static void bat_iv_ogm_primary_iface_set(struct hard_iface *hard_iface)
}
/* when do we schedule our own ogm to be sent */
static unsigned long bat_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
static unsigned long
batadv_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
{
return jiffies + msecs_to_jiffies(
atomic_read(&bat_priv->orig_interval) -
@ -120,21 +121,21 @@ static unsigned long bat_iv_ogm_emit_send_time(const struct bat_priv *bat_priv)
}
/* when do we schedule a ogm packet to be sent */
static unsigned long bat_iv_ogm_fwd_send_time(void)
static unsigned long batadv_iv_ogm_fwd_send_time(void)
{
return jiffies + msecs_to_jiffies(random32() % (JITTER/2));
}
/* apply hop penalty for a normal link */
static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
static uint8_t batadv_hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
{
int hop_penalty = atomic_read(&bat_priv->hop_penalty);
return (tq * (TQ_MAX_VALUE - hop_penalty)) / (TQ_MAX_VALUE);
}
/* is there another aggregated packet here? */
static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len,
int tt_num_changes)
static int batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len,
int tt_num_changes)
{
int next_buff_pos = 0;
@ -146,7 +147,7 @@ static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len,
}
/* send a batman ogm to a given interface */
static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
static void batadv_iv_ogm_send_to_if(struct forw_packet *forw_packet,
struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
@ -164,8 +165,8 @@ static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data;
/* adjust all flags and log packets */
while (bat_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
batman_ogm_packet->tt_num_changes)) {
while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
batman_ogm_packet->tt_num_changes)) {
/* we might have aggregated direct link packets with an
* ordinary base packet
@ -208,7 +209,7 @@ static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet,
}
/* send a batman ogm packet */
static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
static void batadv_iv_ogm_emit(struct forw_packet *forw_packet)
{
struct hard_iface *hard_iface;
struct net_device *soft_iface;
@ -267,7 +268,7 @@ static void bat_iv_ogm_emit(struct forw_packet *forw_packet)
if (hard_iface->soft_iface != soft_iface)
continue;
bat_iv_ogm_send_to_if(forw_packet, hard_iface);
batadv_iv_ogm_send_to_if(forw_packet, hard_iface);
}
rcu_read_unlock();
@ -277,13 +278,13 @@ out:
}
/* return true if new_packet can be aggregated with forw_packet */
static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet
*new_batman_ogm_packet,
struct bat_priv *bat_priv,
int packet_len, unsigned long send_time,
bool directlink,
const struct hard_iface *if_incoming,
const struct forw_packet *forw_packet)
static bool
batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet,
struct bat_priv *bat_priv,
int packet_len, unsigned long send_time,
bool directlink,
const struct hard_iface *if_incoming,
const struct forw_packet *forw_packet)
{
struct batman_ogm_packet *batman_ogm_packet;
int aggregated_bytes = forw_packet->packet_len + packet_len;
@ -335,7 +336,7 @@ static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet
* interface only - we still can aggregate
*/
if ((directlink) &&
(new_batman_ogm_packet->header.ttl == 1) &&
(new_bat_ogm_packet->header.ttl == 1) &&
(forw_packet->if_incoming == if_incoming) &&
/* packets from direct neighbors or
@ -357,11 +358,11 @@ out:
}
/* create a new aggregated packet and add this packet to it */
static void bat_iv_ogm_aggregate_new(const unsigned char *packet_buff,
int packet_len, unsigned long send_time,
bool direct_link,
struct hard_iface *if_incoming,
int own_packet)
static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff,
int packet_len, unsigned long send_time,
bool direct_link,
struct hard_iface *if_incoming,
int own_packet)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct forw_packet *forw_packet_aggr;
@ -435,9 +436,9 @@ out:
}
/* aggregate a new packet into the existing ogm packet */
static void bat_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
const unsigned char *packet_buff,
int packet_len, bool direct_link)
static void batadv_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
const unsigned char *packet_buff,
int packet_len, bool direct_link)
{
unsigned char *skb_buff;
@ -452,10 +453,11 @@ static void bat_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr,
(1 << forw_packet_aggr->num_packets);
}
static void bat_iv_ogm_queue_add(struct bat_priv *bat_priv,
unsigned char *packet_buff,
int packet_len, struct hard_iface *if_incoming,
int own_packet, unsigned long send_time)
static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv,
unsigned char *packet_buff,
int packet_len,
struct hard_iface *if_incoming,
int own_packet, unsigned long send_time)
{
/* _aggr -> pointer to the packet we want to aggregate with
* _pos -> pointer to the position in the queue
@ -474,11 +476,11 @@ static void bat_iv_ogm_queue_add(struct bat_priv *bat_priv,
if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) {
hlist_for_each_entry(forw_packet_pos, tmp_node,
&bat_priv->forw_bat_list, list) {
if (bat_iv_ogm_can_aggregate(batman_ogm_packet,
bat_priv, packet_len,
send_time, direct_link,
if_incoming,
forw_packet_pos)) {
if (batadv_iv_ogm_can_aggregate(batman_ogm_packet,
bat_priv, packet_len,
send_time, direct_link,
if_incoming,
forw_packet_pos)) {
forw_packet_aggr = forw_packet_pos;
break;
}
@ -500,22 +502,22 @@ static void bat_iv_ogm_queue_add(struct bat_priv *bat_priv,
(atomic_read(&bat_priv->aggregated_ogms)))
send_time += msecs_to_jiffies(MAX_AGGREGATION_MS);
bat_iv_ogm_aggregate_new(packet_buff, packet_len,
send_time, direct_link,
if_incoming, own_packet);
batadv_iv_ogm_aggregate_new(packet_buff, packet_len,
send_time, direct_link,
if_incoming, own_packet);
} else {
bat_iv_ogm_aggregate(forw_packet_aggr, packet_buff,
packet_len, direct_link);
batadv_iv_ogm_aggregate(forw_packet_aggr, packet_buff,
packet_len, direct_link);
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
}
}
static void bat_iv_ogm_forward(struct orig_node *orig_node,
const struct ethhdr *ethhdr,
struct batman_ogm_packet *batman_ogm_packet,
bool is_single_hop_neigh,
bool is_from_best_next_hop,
struct hard_iface *if_incoming)
static void batadv_iv_ogm_forward(struct orig_node *orig_node,
const struct ethhdr *ethhdr,
struct batman_ogm_packet *batman_ogm_packet,
bool is_single_hop_neigh,
bool is_from_best_next_hop,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
uint8_t tt_num_changes;
@ -544,7 +546,8 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node,
memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
/* apply hop penalty */
batman_ogm_packet->tq = hop_penalty(batman_ogm_packet->tq, bat_priv);
batman_ogm_packet->tq = batadv_hop_penalty(batman_ogm_packet->tq,
bat_priv);
batadv_dbg(DBG_BATMAN, bat_priv,
"Forwarding packet: tq: %i, ttl: %i\n",
@ -557,12 +560,12 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node,
else
batman_ogm_packet->flags &= ~DIRECTLINK;
bat_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
BATMAN_OGM_HLEN + batadv_tt_len(tt_num_changes),
if_incoming, 0, bat_iv_ogm_fwd_send_time());
batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,
BATMAN_OGM_HLEN + batadv_tt_len(tt_num_changes),
if_incoming, 0, batadv_iv_ogm_fwd_send_time());
}
static void bat_iv_ogm_schedule(struct hard_iface *hard_iface)
static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batman_ogm_packet *batman_ogm_packet;
@ -603,22 +606,22 @@ static void bat_iv_ogm_schedule(struct hard_iface *hard_iface)
batman_ogm_packet->gw_flags = NO_FLAGS;
batadv_slide_own_bcast_window(hard_iface);
bat_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
hard_iface->packet_len, hard_iface, 1,
bat_iv_ogm_emit_send_time(bat_priv));
batadv_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
hard_iface->packet_len, hard_iface, 1,
batadv_iv_ogm_emit_send_time(bat_priv));
if (primary_if)
batadv_hardif_free_ref(primary_if);
}
static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
struct orig_node *orig_node,
const struct ethhdr *ethhdr,
const struct batman_ogm_packet
*batman_ogm_packet,
struct hard_iface *if_incoming,
const unsigned char *tt_buff,
int is_duplicate)
static void
batadv_iv_ogm_orig_update(struct bat_priv *bat_priv,
struct orig_node *orig_node,
const struct ethhdr *ethhdr,
const struct batman_ogm_packet *batman_ogm_packet,
struct hard_iface *if_incoming,
const unsigned char *tt_buff,
int is_duplicate)
{
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
struct neigh_node *router = NULL;
@ -661,9 +664,10 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
if (!orig_tmp)
goto unlock;
neigh_node = bat_iv_ogm_neigh_new(if_incoming, ethhdr->h_source,
orig_node, orig_tmp,
batman_ogm_packet->seqno);
neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
ethhdr->h_source,
orig_node, orig_tmp,
batman_ogm_packet->seqno);
batadv_orig_node_free_ref(orig_tmp);
if (!neigh_node)
@ -759,10 +763,10 @@ out:
batadv_neigh_node_free_ref(router);
}
static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
struct batman_ogm_packet *batman_ogm_packet,
struct hard_iface *if_incoming)
static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
struct batman_ogm_packet *batman_ogm_packet,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node;
@ -792,11 +796,11 @@ static int bat_iv_ogm_calc_tq(struct orig_node *orig_node,
rcu_read_unlock();
if (!neigh_node)
neigh_node = bat_iv_ogm_neigh_new(if_incoming,
orig_neigh_node->orig,
orig_neigh_node,
orig_neigh_node,
batman_ogm_packet->seqno);
neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
orig_neigh_node->orig,
orig_neigh_node,
orig_neigh_node,
batman_ogm_packet->seqno);
if (!neigh_node)
goto out;
@ -873,10 +877,10 @@ out:
* -1 the packet is old and has been received while the seqno window
* was protected. Caller should drop it.
*/
static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
const struct batman_ogm_packet
*batman_ogm_packet,
const struct hard_iface *if_incoming)
static int
batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
const struct batman_ogm_packet *batman_ogm_packet,
const struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct orig_node *orig_node;
@ -943,10 +947,10 @@ out:
return ret;
}
static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
struct batman_ogm_packet *batman_ogm_packet,
const unsigned char *tt_buff,
struct hard_iface *if_incoming)
static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
struct batman_ogm_packet *batman_ogm_packet,
const unsigned char *tt_buff,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct hard_iface *hard_iface;
@ -955,10 +959,10 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
struct neigh_node *orig_neigh_router = NULL;
int has_directlink_flag;
int is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
int is_broadcast = 0, is_bidirectional;
int is_broadcast = 0, is_bidirect;
bool is_single_hop_neigh = false;
bool is_from_best_next_hop = false;
int is_duplicate;
int is_duplicate, sameseq, simlar_ttl;
uint32_t if_incoming_seqno;
uint8_t *prev_sender;
@ -1095,8 +1099,8 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
if (!orig_node)
return;
is_duplicate = bat_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet,
if_incoming);
is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet,
if_incoming);
if (is_duplicate == -1) {
batadv_dbg(DBG_BATMAN, bat_priv,
@ -1151,8 +1155,8 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
goto out_neigh;
}
is_bidirectional = bat_iv_ogm_calc_tq(orig_node, orig_neigh_node,
batman_ogm_packet, if_incoming);
is_bidirect = batadv_iv_ogm_calc_tq(orig_node, orig_neigh_node,
batman_ogm_packet, if_incoming);
batadv_bonding_save_primary(orig_node, orig_neigh_node,
batman_ogm_packet);
@ -1160,21 +1164,20 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
/* update ranking if it is not a duplicate or has the same
* seqno and similar ttl as the non-duplicate
*/
if (is_bidirectional &&
(!is_duplicate ||
((orig_node->last_real_seqno == ntohl(batman_ogm_packet->seqno)) &&
(orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl))))
bat_iv_ogm_orig_update(bat_priv, orig_node, ethhdr,
batman_ogm_packet, if_incoming,
tt_buff, is_duplicate);
sameseq = orig_node->last_real_seqno == ntohl(batman_ogm_packet->seqno);
simlar_ttl = orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl;
if (is_bidirect && (!is_duplicate || (sameseq && simlar_ttl)))
batadv_iv_ogm_orig_update(bat_priv, orig_node, ethhdr,
batman_ogm_packet, if_incoming,
tt_buff, is_duplicate);
/* is single hop (direct) neighbor */
if (is_single_hop_neigh) {
/* mark direct link on incoming interface */
bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
is_single_hop_neigh, is_from_best_next_hop,
if_incoming);
batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
is_single_hop_neigh,
is_from_best_next_hop, if_incoming);
batadv_dbg(DBG_BATMAN, bat_priv,
"Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
@ -1182,7 +1185,7 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
}
/* multihop originator */
if (!is_bidirectional) {
if (!is_bidirect) {
batadv_dbg(DBG_BATMAN, bat_priv,
"Drop packet: not received via bidirectional link\n");
goto out_neigh;
@ -1196,9 +1199,9 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr,
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);
batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet,
is_single_hop_neigh, is_from_best_next_hop,
if_incoming);
out_neigh:
if ((orig_neigh_node) && (!is_single_hop_neigh))
@ -1214,8 +1217,8 @@ out:
batadv_orig_node_free_ref(orig_node);
}
static int bat_iv_ogm_receive(struct sk_buff *skb,
struct hard_iface *if_incoming)
static int batadv_iv_ogm_receive(struct sk_buff *skb,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct batman_ogm_packet *batman_ogm_packet;
@ -1231,7 +1234,7 @@ static int bat_iv_ogm_receive(struct sk_buff *skb,
/* did we receive a B.A.T.M.A.N. IV OGM packet on an interface
* that does not have B.A.T.M.A.N. IV enabled ?
*/
if (bat_priv->bat_algo_ops->bat_ogm_emit != bat_iv_ogm_emit)
if (bat_priv->bat_algo_ops->bat_ogm_emit != batadv_iv_ogm_emit)
return NET_RX_DROP;
batadv_inc_counter(bat_priv, BAT_CNT_MGMT_RX);
@ -1247,29 +1250,29 @@ static int bat_iv_ogm_receive(struct sk_buff *skb,
do {
tt_buff = packet_buff + buff_pos + BATMAN_OGM_HLEN;
bat_iv_ogm_process(ethhdr, batman_ogm_packet,
tt_buff, if_incoming);
batadv_iv_ogm_process(ethhdr, batman_ogm_packet, tt_buff,
if_incoming);
buff_pos += BATMAN_OGM_HLEN;
buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes);
batman_ogm_packet = (struct batman_ogm_packet *)
(packet_buff + buff_pos);
} while (bat_iv_ogm_aggr_packet(buff_pos, packet_len,
batman_ogm_packet->tt_num_changes));
} while (batadv_iv_ogm_aggr_packet(buff_pos, packet_len,
batman_ogm_packet->tt_num_changes));
kfree_skb(skb);
return NET_RX_SUCCESS;
}
static struct bat_algo_ops batman_iv __read_mostly = {
static struct bat_algo_ops batadv_batman_iv __read_mostly = {
.name = "BATMAN_IV",
.bat_iface_enable = bat_iv_ogm_iface_enable,
.bat_iface_disable = bat_iv_ogm_iface_disable,
.bat_iface_update_mac = bat_iv_ogm_iface_update_mac,
.bat_primary_iface_set = bat_iv_ogm_primary_iface_set,
.bat_ogm_schedule = bat_iv_ogm_schedule,
.bat_ogm_emit = bat_iv_ogm_emit,
.bat_iface_enable = batadv_iv_ogm_iface_enable,
.bat_iface_disable = batadv_iv_ogm_iface_disable,
.bat_iface_update_mac = batadv_iv_ogm_iface_update_mac,
.bat_primary_iface_set = batadv_iv_ogm_primary_iface_set,
.bat_ogm_schedule = batadv_iv_ogm_schedule,
.bat_ogm_emit = batadv_iv_ogm_emit,
};
int __init batadv_iv_init(void)
@ -1277,11 +1280,11 @@ int __init batadv_iv_init(void)
int ret;
/* batman originator packet */
ret = batadv_recv_handler_register(BAT_IV_OGM, bat_iv_ogm_receive);
ret = batadv_recv_handler_register(BAT_IV_OGM, batadv_iv_ogm_receive);
if (ret < 0)
goto out;
ret = batadv_algo_register(&batman_iv);
ret = batadv_algo_register(&batadv_batman_iv);
if (ret < 0)
goto handler_unregister;