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Diffstat (limited to 'net/batman-adv/routing.c')
-rw-r--r--net/batman-adv/routing.c282
1 files changed, 150 insertions, 132 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 9cfd23c6d64a..79f63cf11be4 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -1,5 +1,4 @@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@ -16,7 +15,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
- *
*/
#include "main.h"
@@ -34,7 +32,7 @@
static int route_unicast_packet(struct sk_buff *skb,
struct hard_iface *recv_if);
-void slide_own_bcast_window(struct hard_iface *hard_iface)
+void batadv_slide_own_bcast_window(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
@@ -54,7 +52,7 @@ void slide_own_bcast_window(struct hard_iface *hard_iface)
word_index = hard_iface->if_num * NUM_WORDS;
word = &(orig_node->bcast_own[word_index]);
- bit_get_packet(bat_priv, word, 1, 0);
+ batadv_bit_get_packet(bat_priv, word, 1, 0);
orig_node->bcast_own_sum[hard_iface->if_num] =
bitmap_weight(word, TQ_LOCAL_WINDOW_SIZE);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
@@ -69,14 +67,14 @@ static void _update_route(struct bat_priv *bat_priv,
{
struct neigh_node *curr_router;
- curr_router = orig_node_get_router(orig_node);
+ curr_router = batadv_orig_node_get_router(orig_node);
/* route deleted */
if ((curr_router) && (!neigh_node)) {
bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
orig_node->orig);
- tt_global_del_orig(bat_priv, orig_node,
- "Deleted route towards originator");
+ batadv_tt_global_del_orig(bat_priv, orig_node,
+ "Deleted route towards originator");
/* route added */
} else if ((!curr_router) && (neigh_node)) {
@@ -93,7 +91,7 @@ static void _update_route(struct bat_priv *bat_priv,
}
if (curr_router)
- neigh_node_free_ref(curr_router);
+ batadv_neigh_node_free_ref(curr_router);
/* increase refcount of new best neighbor */
if (neigh_node && !atomic_inc_not_zero(&neigh_node->refcount))
@@ -105,30 +103,30 @@ static void _update_route(struct bat_priv *bat_priv,
/* decrease refcount of previous best neighbor */
if (curr_router)
- neigh_node_free_ref(curr_router);
+ batadv_neigh_node_free_ref(curr_router);
}
-void update_route(struct bat_priv *bat_priv, struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
struct neigh_node *router = NULL;
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (router != neigh_node)
_update_route(bat_priv, orig_node, neigh_node);
out:
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
}
/* caller must hold the neigh_list_lock */
-void bonding_candidate_del(struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+void batadv_bonding_candidate_del(struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
/* this neighbor is not part of our candidate list */
if (list_empty(&neigh_node->bonding_list))
@@ -136,15 +134,15 @@ void bonding_candidate_del(struct orig_node *orig_node,
list_del_rcu(&neigh_node->bonding_list);
INIT_LIST_HEAD(&neigh_node->bonding_list);
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
atomic_dec(&orig_node->bond_candidates);
out:
return;
}
-void bonding_candidate_add(struct orig_node *orig_node,
- struct neigh_node *neigh_node)
+void batadv_bonding_candidate_add(struct orig_node *orig_node,
+ struct neigh_node *neigh_node)
{
struct hlist_node *node;
struct neigh_node *tmp_neigh_node, *router = NULL;
@@ -157,7 +155,7 @@ void bonding_candidate_add(struct orig_node *orig_node,
neigh_node->orig_node->primary_addr))
goto candidate_del;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto candidate_del;
@@ -165,8 +163,7 @@ void bonding_candidate_add(struct orig_node *orig_node,
if (neigh_node->tq_avg < router->tq_avg - BONDING_TQ_THRESHOLD)
goto candidate_del;
- /**
- * check if we have another candidate with the same mac address or
+ /* check if we have another candidate with the same mac address or
* interface. If we do, we won't select this candidate because of
* possible interference.
*/
@@ -177,7 +174,8 @@ void bonding_candidate_add(struct orig_node *orig_node,
continue;
/* we only care if the other candidate is even
- * considered as candidate. */
+ * considered as candidate.
+ */
if (list_empty(&tmp_neigh_node->bonding_list))
continue;
@@ -204,19 +202,20 @@ void bonding_candidate_add(struct orig_node *orig_node,
goto out;
candidate_del:
- bonding_candidate_del(orig_node, neigh_node);
+ batadv_bonding_candidate_del(orig_node, neigh_node);
out:
spin_unlock_bh(&orig_node->neigh_list_lock);
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
}
/* copy primary address for bonding */
-void bonding_save_primary(const struct orig_node *orig_node,
- struct orig_node *orig_neigh_node,
- const struct batman_ogm_packet *batman_ogm_packet)
+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)
{
if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP))
return;
@@ -229,8 +228,8 @@ void bonding_save_primary(const struct orig_node *orig_node,
* 0 if the packet is to be accepted
* 1 if the packet is to be ignored.
*/
-int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
- unsigned long *last_reset)
+int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
+ unsigned long *last_reset)
{
if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) ||
(seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
@@ -245,9 +244,9 @@ int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
return 0;
}
-bool check_management_packet(struct sk_buff *skb,
- struct hard_iface *hard_iface,
- int header_len)
+bool batadv_check_management_packet(struct sk_buff *skb,
+ struct hard_iface *hard_iface,
+ int header_len)
{
struct ethhdr *ethhdr;
@@ -289,7 +288,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv,
/* add data to device queue */
if (icmp_packet->msg_type != ECHO_REQUEST) {
- bat_socket_receive_packet(icmp_packet, icmp_len);
+ batadv_socket_receive_packet(icmp_packet, icmp_len);
goto out;
}
@@ -303,7 +302,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv,
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto out;
@@ -318,16 +317,16 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv,
icmp_packet->msg_type = ECHO_REPLY;
icmp_packet->header.ttl = TTL;
- send_skb_packet(skb, router->if_incoming, router->addr);
+ batadv_send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
out:
if (primary_if)
hardif_free_ref(primary_if);
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
@@ -358,7 +357,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto out;
@@ -373,21 +372,21 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
icmp_packet->msg_type = TTL_EXCEEDED;
icmp_packet->header.ttl = TTL;
- send_skb_packet(skb, router->if_incoming, router->addr);
+ batadv_send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
out:
if (primary_if)
hardif_free_ref(primary_if);
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
-int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+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;
@@ -397,9 +396,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
int hdr_size = sizeof(struct icmp_packet);
int ret = NET_RX_DROP;
- /**
- * we truncate all incoming icmp packets if they don't match our size
- */
+ /* 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);
@@ -418,7 +415,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
goto out;
/* not for me */
- if (!is_my_mac(ethhdr->h_dest))
+ if (!batadv_is_my_mac(ethhdr->h_dest))
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
@@ -432,7 +429,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
}
/* packet for me */
- if (is_my_mac(icmp_packet->dst))
+ if (batadv_is_my_mac(icmp_packet->dst))
return recv_my_icmp_packet(bat_priv, skb, hdr_size);
/* TTL exceeded */
@@ -444,7 +441,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!orig_node)
goto out;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto out;
@@ -458,14 +455,14 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
icmp_packet->header.ttl--;
/* route it */
- send_skb_packet(skb, router->if_incoming, router->addr);
+ batadv_send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
out:
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
@@ -473,7 +470,8 @@ out:
* robin fashion over the remaining interfaces.
*
* This method rotates the bonding list and increases the
- * returned router's refcount. */
+ * returned router's refcount.
+ */
static struct neigh_node *find_bond_router(struct orig_node *primary_orig,
const struct hard_iface *recv_if)
{
@@ -506,10 +504,12 @@ static struct neigh_node *find_bond_router(struct orig_node *primary_orig,
goto out;
/* selected should point to the next element
- * after the current router */
+ * after the current router
+ */
spin_lock_bh(&primary_orig->neigh_list_lock);
/* this is a list_move(), which unfortunately
- * does not exist as rcu version */
+ * does not exist as rcu version
+ */
list_del_rcu(&primary_orig->bond_list);
list_add_rcu(&primary_orig->bond_list,
&router->bonding_list);
@@ -524,7 +524,8 @@ out:
* remaining candidates which are not using
* this interface.
*
- * Increases the returned router's refcount */
+ * Increases the returned router's refcount
+ */
static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
const struct hard_iface *recv_if)
{
@@ -545,19 +546,21 @@ static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
continue;
/* if we don't have a router yet
- * or this one is better, choose it. */
+ * or this one is better, choose it.
+ */
if ((!router) ||
(tmp_neigh_node->tq_avg > router->tq_avg)) {
/* decrement refcount of
- * previously selected router */
+ * previously selected router
+ */
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
router = tmp_neigh_node;
atomic_inc_not_zero(&router->refcount);
}
- neigh_node_free_ref(tmp_neigh_node);
+ batadv_neigh_node_free_ref(tmp_neigh_node);
}
/* use the first candidate if nothing was found. */
@@ -569,7 +572,7 @@ static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
return router;
}
-int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
+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;
@@ -601,8 +604,9 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_RX);
/* If we cannot provide an answer the tt_request is
- * forwarded */
- if (!send_tt_response(bat_priv, tt_query)) {
+ * forwarded
+ */
+ if (!batadv_send_tt_response(bat_priv, tt_query)) {
bat_dbg(DBG_TT, bat_priv,
"Routing TT_REQUEST to %pM [%c]\n",
tt_query->dst,
@@ -613,22 +617,23 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
case TT_RESPONSE:
batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_RX);
- if (is_my_mac(tt_query->dst)) {
+ if (batadv_is_my_mac(tt_query->dst)) {
/* packet needs to be linearized to access the TT
- * changes */
+ * changes
+ */
if (skb_linearize(skb) < 0)
goto out;
/* skb_linearize() possibly changed skb->data */
tt_query = (struct tt_query_packet *)skb->data;
- tt_size = tt_len(ntohs(tt_query->tt_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))
goto out;
- handle_tt_response(bat_priv, tt_query);
+ batadv_handle_tt_response(bat_priv, tt_query);
} else {
bat_dbg(DBG_TT, bat_priv,
"Routing TT_RESPONSE to %pM [%c]\n",
@@ -644,7 +649,7 @@ out:
return NET_RX_DROP;
}
-int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
+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;
@@ -669,14 +674,14 @@ int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
roam_adv_packet = (struct roam_adv_packet *)skb->data;
- if (!is_my_mac(roam_adv_packet->dst))
+ if (!batadv_is_my_mac(roam_adv_packet->dst))
return route_unicast_packet(skb, recv_if);
/* check if it is a backbone gateway. we don't accept
* roaming advertisement from it, as it has the same
* entries as we have.
*/
- if (bla_is_backbone_gw_orig(bat_priv, roam_adv_packet->src))
+ if (batadv_bla_is_backbone_gw_orig(bat_priv, roam_adv_packet->src))
goto out;
orig_node = orig_hash_find(bat_priv, roam_adv_packet->src);
@@ -687,15 +692,17 @@ int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
"Received ROAMING_ADV from %pM (client %pM)\n",
roam_adv_packet->src, roam_adv_packet->client);
- tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
- atomic_read(&orig_node->last_ttvn) + 1, true, false);
+ batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
+ atomic_read(&orig_node->last_ttvn) + 1, true,
+ false);
/* Roaming phase starts: I have new information but the ttvn has not
* been incremented yet. This flag will make me check all the incoming
- * packets for the correct destination. */
+ * packets for the correct destination.
+ */
bat_priv->tt_poss_change = true;
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
out:
/* returning NET_RX_DROP will make the caller function kfree the skb */
return NET_RX_DROP;
@@ -703,10 +710,11 @@ out:
/* find a suitable router for this originator, and use
* bonding if possible. increases the found neighbors
- * refcount.*/
-struct neigh_node *find_router(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- const struct hard_iface *recv_if)
+ * refcount.
+ */
+struct neigh_node *batadv_find_router(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ const struct hard_iface *recv_if)
{
struct orig_node *primary_orig_node;
struct orig_node *router_orig;
@@ -717,12 +725,13 @@ struct neigh_node *find_router(struct bat_priv *bat_priv,
if (!orig_node)
return NULL;
- router = orig_node_get_router(orig_node);
+ router = batadv_orig_node_get_router(orig_node);
if (!router)
goto err;
/* without bonding, the first node should
- * always choose the default router. */
+ * always choose the default router.
+ */
bonding_enabled = atomic_read(&bat_priv->bonding);
rcu_read_lock();
@@ -735,13 +744,14 @@ struct neigh_node *find_router(struct bat_priv *bat_priv,
goto return_router;
/* if we have something in the primary_addr, we can search
- * for a potential bonding candidate. */
+ * for a potential bonding candidate.
+ */
if (compare_eth(router_orig->primary_addr, zero_mac))
goto return_router;
/* find the orig_node which has the primary interface. might
- * even be the same as our router_orig in many cases */
-
+ * even be the same as our router_orig in many cases
+ */
if (compare_eth(router_orig->primary_addr, router_orig->orig)) {
primary_orig_node = router_orig;
} else {
@@ -750,19 +760,20 @@ struct neigh_node *find_router(struct bat_priv *bat_priv,
if (!primary_orig_node)
goto return_router;
- orig_node_free_ref(primary_orig_node);
+ batadv_orig_node_free_ref(primary_orig_node);
}
/* with less than 2 candidates, we can't do any
- * bonding and prefer the original router. */
+ * bonding and prefer the original router.
+ */
if (atomic_read(&primary_orig_node->bond_candidates) < 2)
goto return_router;
/* all nodes between should choose a candidate which
* is is not on the interface where the packet came
- * in. */
-
- neigh_node_free_ref(router);
+ * in.
+ */
+ batadv_neigh_node_free_ref(router);
if (bonding_enabled)
router = find_bond_router(primary_orig_node, recv_if);
@@ -779,7 +790,7 @@ err_unlock:
rcu_read_unlock();
err:
if (router)
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
return NULL;
}
@@ -802,7 +813,7 @@ static int check_unicast_packet(struct sk_buff *skb, int hdr_size)
return -1;
/* not for me */
- if (!is_my_mac(ethhdr->h_dest))
+ if (!batadv_is_my_mac(ethhdr->h_dest))
return -1;
return 0;
@@ -834,7 +845,7 @@ static int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
goto out;
/* find_router() increases neigh_nodes refcount if found. */
- neigh_node = find_router(bat_priv, orig_node, recv_if);
+ neigh_node = batadv_find_router(bat_priv, orig_node, recv_if);
if (!neigh_node)
goto out;
@@ -848,15 +859,16 @@ static int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (unicast_packet->header.packet_type == BAT_UNICAST &&
atomic_read(&bat_priv->fragmentation) &&
skb->len > neigh_node->if_incoming->net_dev->mtu) {
- ret = frag_send_skb(skb, bat_priv,
- neigh_node->if_incoming, neigh_node->addr);
+ ret = batadv_frag_send_skb(skb, bat_priv,
+ neigh_node->if_incoming,
+ neigh_node->addr);
goto out;
}
if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG &&
frag_can_reassemble(skb, neigh_node->if_incoming->net_dev->mtu)) {
- ret = frag_reassemble_skb(skb, bat_priv, &new_skb);
+ ret = batadv_frag_reassemble_skb(skb, bat_priv, &new_skb);
if (ret == NET_RX_DROP)
goto out;
@@ -880,14 +892,14 @@ static int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
skb->len + ETH_HLEN);
/* route it */
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = NET_RX_SUCCESS;
out:
if (neigh_node)
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
@@ -906,7 +918,7 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
unicast_packet = (struct unicast_packet *)skb->data;
- if (is_my_mac(unicast_packet->dest)) {
+ if (batadv_is_my_mac(unicast_packet->dest)) {
tt_poss_change = bat_priv->tt_poss_change;
curr_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
} else {
@@ -917,7 +929,7 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
tt_poss_change = orig_node->tt_poss_change;
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
}
/* Check whether I have to reroute the packet */
@@ -933,13 +945,15 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
/* we don't have an updated route for this client, so we should
* not try to reroute the packet!!
*/
- if (tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
+ if (batadv_tt_global_client_is_roaming(bat_priv,
+ ethhdr->h_dest))
return 1;
- orig_node = transtable_search(bat_priv, NULL, ethhdr->h_dest);
+ orig_node = batadv_transtable_search(bat_priv, NULL,
+ ethhdr->h_dest);
if (!orig_node) {
- if (!is_my_client(bat_priv, ethhdr->h_dest))
+ if (!batadv_is_my_client(bat_priv, ethhdr->h_dest))
return 0;
primary_if = primary_if_get_selected(bat_priv);
if (!primary_if)
@@ -952,7 +966,7 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
ETH_ALEN);
curr_ttvn = (uint8_t)
atomic_read(&orig_node->last_ttvn);
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
}
bat_dbg(DBG_ROUTES, bat_priv,
@@ -965,7 +979,7 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
return 1;
}
-int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+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;
@@ -980,15 +994,17 @@ int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
unicast_packet = (struct unicast_packet *)skb->data;
/* packet for me */
- if (is_my_mac(unicast_packet->dest)) {
- interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+ if (batadv_is_my_mac(unicast_packet->dest)) {
+ batadv_interface_rx(recv_if->soft_iface, skb, recv_if,
+ hdr_size);
return NET_RX_SUCCESS;
}
return route_unicast_packet(skb, recv_if);
}
-int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
+ struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet;
@@ -1005,9 +1021,9 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
unicast_packet = (struct unicast_frag_packet *)skb->data;
/* packet for me */
- if (is_my_mac(unicast_packet->dest)) {
+ if (batadv_is_my_mac(unicast_packet->dest)) {
- ret = frag_reassemble_skb(skb, bat_priv, &new_skb);
+ ret = batadv_frag_reassemble_skb(skb, bat_priv, &new_skb);
if (ret == NET_RX_DROP)
return NET_RX_DROP;
@@ -1016,8 +1032,8 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!new_skb)
return NET_RX_SUCCESS;
- interface_rx(recv_if->soft_iface, new_skb, recv_if,
- sizeof(struct unicast_packet));
+ batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
+ sizeof(struct unicast_packet));
return NET_RX_SUCCESS;
}
@@ -1025,7 +1041,7 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
}
-int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
@@ -1050,13 +1066,13 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
goto out;
/* ignore broadcasts sent by myself */
- if (is_my_mac(ethhdr->h_source))
+ if (batadv_is_my_mac(ethhdr->h_source))
goto out;
bcast_packet = (struct bcast_packet *)skb->data;
/* ignore broadcasts originated by myself */
- if (is_my_mac(bcast_packet->orig))
+ if (batadv_is_my_mac(bcast_packet->orig))
goto out;
if (bcast_packet->header.ttl < 2)
@@ -1077,32 +1093,33 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
seq_diff = ntohl(bcast_packet->seqno) - orig_node->last_bcast_seqno;
/* check whether the packet is old and the host just restarted. */
- if (window_protected(bat_priv, seq_diff,
- &orig_node->bcast_seqno_reset))
+ if (batadv_window_protected(bat_priv, seq_diff,
+ &orig_node->bcast_seqno_reset))
goto spin_unlock;
/* mark broadcast in flood history, update window position
- * if required. */
- if (bit_get_packet(bat_priv, orig_node->bcast_bits, seq_diff, 1))
+ * if required.
+ */
+ if (batadv_bit_get_packet(bat_priv, orig_node->bcast_bits, seq_diff, 1))
orig_node->last_bcast_seqno = ntohl(bcast_packet->seqno);
spin_unlock_bh(&orig_node->bcast_seqno_lock);
/* check whether this has been sent by another originator before */
- if (bla_check_bcast_duplist(bat_priv, bcast_packet, hdr_size))
+ if (batadv_bla_check_bcast_duplist(bat_priv, bcast_packet, hdr_size))
goto out;
/* rebroadcast packet */
- add_bcast_packet_to_list(bat_priv, skb, 1);
+ batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
/* don't hand the broadcast up if it is from an originator
* from the same backbone.
*/
- if (bla_is_backbone_gw(skb, orig_node, hdr_size))
+ if (batadv_bla_is_backbone_gw(skb, orig_node, hdr_size))
goto out;
/* broadcast for me */
- interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+ batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
ret = NET_RX_SUCCESS;
goto out;
@@ -1110,11 +1127,11 @@ spin_unlock:
spin_unlock_bh(&orig_node->bcast_seqno_lock);
out:
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
return ret;
}
-int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
+int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct vis_packet *vis_packet;
struct ethhdr *ethhdr;
@@ -1132,25 +1149,25 @@ int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* not for me */
- if (!is_my_mac(ethhdr->h_dest))
+ if (!batadv_is_my_mac(ethhdr->h_dest))
return NET_RX_DROP;
/* ignore own packets */
- if (is_my_mac(vis_packet->vis_orig))
+ if (batadv_is_my_mac(vis_packet->vis_orig))
return NET_RX_DROP;
- if (is_my_mac(vis_packet->sender_orig))
+ if (batadv_is_my_mac(vis_packet->sender_orig))
return NET_RX_DROP;
switch (vis_packet->vis_type) {
case VIS_TYPE_SERVER_SYNC:
- receive_server_sync_packet(bat_priv, vis_packet,
- skb_headlen(skb));
+ batadv_receive_server_sync_packet(bat_priv, vis_packet,
+ skb_headlen(skb));
break;
case VIS_TYPE_CLIENT_UPDATE:
- receive_client_update_packet(bat_priv, vis_packet,
- skb_headlen(skb));
+ batadv_receive_client_update_packet(bat_priv, vis_packet,
+ skb_headlen(skb));
break;
default: /* ignore unknown packet */
@@ -1158,6 +1175,7 @@ int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
}
/* We take a copy of the data in the packet, so we should
- always free the skbuf. */
+ * always free the skbuf.
+ */
return NET_RX_DROP;
}