aboutsummaryrefslogtreecommitdiff
path: root/net/batman-adv/routing.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv/routing.c')
-rw-r--r--net/batman-adv/routing.c77
1 files changed, 8 insertions, 69 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 0f32c818874..19499281b69 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -64,66 +64,6 @@ void slide_own_bcast_window(struct hard_iface *hard_iface)
}
}
-static void update_transtable(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- const unsigned char *tt_buff,
- uint8_t tt_num_changes, uint8_t ttvn,
- uint16_t tt_crc)
-{
- uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
- bool full_table = true;
-
- /* the ttvn increased by one -> we can apply the attached changes */
- if (ttvn - orig_ttvn == 1) {
- /* the OGM could not contain the changes because they were too
- * many to fit in one frame or because they have already been
- * sent TT_OGM_APPEND_MAX times. In this case send a tt
- * request */
- if (!tt_num_changes) {
- full_table = false;
- goto request_table;
- }
-
- tt_update_changes(bat_priv, orig_node, tt_num_changes, ttvn,
- (struct tt_change *)tt_buff);
-
- /* Even if we received the crc into the OGM, we prefer
- * to recompute it to spot any possible inconsistency
- * in the global table */
- orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
-
- /* The ttvn alone is not enough to guarantee consistency
- * because a single value could repesent different states
- * (due to the wrap around). Thus a node has to check whether
- * the resulting table (after applying the changes) is still
- * consistent or not. E.g. a node could disconnect while its
- * ttvn is X and reconnect on ttvn = X + TTVN_MAX: in this case
- * checking the CRC value is mandatory to detect the
- * inconsistency */
- if (orig_node->tt_crc != tt_crc)
- goto request_table;
-
- /* Roaming phase is over: tables are in sync again. I can
- * unset the flag */
- orig_node->tt_poss_change = false;
- } else {
- /* if we missed more than one change or our tables are not
- * in sync anymore -> request fresh tt data */
- if (ttvn != orig_ttvn || orig_node->tt_crc != tt_crc) {
-request_table:
- bat_dbg(DBG_TT, bat_priv, "TT inconsistency for %pM. "
- "Need to retrieve the correct information "
- "(ttvn: %u last_ttvn: %u crc: %u last_crc: "
- "%u num_changes: %u)\n", orig_node->orig, ttvn,
- orig_ttvn, tt_crc, orig_node->tt_crc,
- tt_num_changes);
- send_tt_request(bat_priv, orig_node, ttvn, tt_crc,
- full_table);
- return;
- }
- }
-}
-
static void update_route(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct neigh_node *neigh_node)
@@ -228,7 +168,7 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
if (!neigh_node)
goto out;
- /* if orig_node is direct neighbour update neigh_node last_valid */
+ /* if orig_node is direct neighbor update neigh_node last_valid */
if (orig_node == orig_neigh_node)
neigh_node->last_valid = jiffies;
@@ -473,7 +413,7 @@ static void update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
if (router && (router->tq_avg > neigh_node->tq_avg))
goto update_tt;
- /* if the TQ is the same and the link not more symetric we
+ /* if the TQ is the same and the link not more symmetric we
* won't consider it either */
if (router && (neigh_node->tq_avg == router->tq_avg)) {
orig_node_tmp = router->orig_node;
@@ -500,10 +440,9 @@ update_tt:
if (((batman_packet->orig != ethhdr->h_source) &&
(batman_packet->ttl > 2)) ||
(batman_packet->flags & PRIMARIES_FIRST_HOP))
- update_transtable(bat_priv, orig_node, tt_buff,
- batman_packet->tt_num_changes,
- batman_packet->ttvn,
- batman_packet->tt_crc);
+ tt_update_orig(bat_priv, orig_node, tt_buff,
+ batman_packet->tt_num_changes,
+ batman_packet->ttvn, batman_packet->tt_crc);
if (orig_node->gw_flags != batman_packet->gw_flags)
gw_node_update(bat_priv, orig_node, batman_packet->gw_flags);
@@ -1243,7 +1182,7 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
}
break;
case TT_RESPONSE:
- /* packet needs to be linearised to access the TT changes */
+ /* packet needs to be linearized to access the TT changes */
if (skb_linearize(skb) < 0)
goto out;
@@ -1300,7 +1239,7 @@ int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
roam_adv_packet->client);
tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
- atomic_read(&orig_node->last_ttvn) + 1, true);
+ 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
@@ -1536,7 +1475,7 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
ethhdr = (struct ethhdr *)(skb->data +
sizeof(struct unicast_packet));
- orig_node = transtable_search(bat_priv, ethhdr->h_dest);
+ orig_node = transtable_search(bat_priv, NULL, ethhdr->h_dest);
if (!orig_node) {
if (!is_my_client(bat_priv, ethhdr->h_dest))