batman-adv: merge update_transtable() into tt related code

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

1 files changed, 3 insertions, 63 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 91a7860ecad..19499281b69 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -64,65 +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 due to their size 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 precomputed crc with 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 represent 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)
@@ -499,10 +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);