/**
- * Handle channel NACK.
+ * Handle channel NACK: check correctness and call channel handler for NACKs.
*
- * @param t Tunnel on which the data came.
- * @param msg Data message.
+ * @param t Tunnel on which the NACK came.
+ * @param msg NACK message.
*/
static void
handle_ch_nack (struct MeshTunnel3 *t,
/* Check channel */
ch = GMT_get_channel (t, ntohl (msg->chid));
- if (NULL != ch && ! GMT_is_loopback (t))
+ if (NULL == ch)
{
GNUNET_STATISTICS_update (stats, "# channel NACK on unknown channel",
1, GNUNET_NO);