batman-adv: print packets re-routing on DBG_TT and ratelimit it

To simplify TranslationTable debugging it is better to print the packet
rerouting message on the DBG_TT log level. In this way a developer interested in
packets rerouting doesn't need to filter it out of the whole ROUTES log.

Moreover, since this message will appear for each rerouted message, it is now
"ratelimited".

Signed-off-by: Antonio Quartulli <ordex@autistici.org>

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 1ac072d7409ef9c6672755d4919eea09672938bb..456a0a9f8831695184739bac378129cf607a1516 100644 (file)
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -965,10 +965,10 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
                        batadv_orig_node_free_ref(orig_node);
                }
 
-               batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
-                          "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n",
-                          unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest,
-                          unicast_packet->dest);
+               net_ratelimited_function(batadv_dbg, BATADV_DBG_TT, bat_priv,
+                                        "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n",
+                                        unicast_packet->ttvn, curr_ttvn,
+                                        ethhdr->h_dest, unicast_packet->dest);
 
                unicast_packet->ttvn = curr_ttvn;
        }