// kernel.clickpat

// Patterns for the Click pattern optimizer (click-xform) that get rid
// of redundant kernel elements.

// To transform a router configuration according to these patterns, run
//     % click-xform -p kernel.clickpat ROUTER > TRANSFORMED-ROUTER

elementclass ToHostRemover {
  input[0] -> t :: ToHost;
  input[1] -> ToHost;
}

elementclass ToHostRemover_Replacement {
  input[0] -> t :: ToHost;
  input[1] -> t;
}


elementclass ToHostSniffersRemover1 {
  input[0] -> t :: ToHostSniffers;
  input[1] -> ToHostSniffers;
}

elementclass ToHostSniffersRemover1_Replacement {
  input[0] -> t :: ToHostSniffers;
  input[1] -> t;
}


elementclass ToHostSniffersRemover2 {
  input[0] -> t :: ToHostSniffers($device);
  input[1] -> ToHostSniffers($device);
}

elementclass ToHostSniffersRemover2_Replacement {
  input[0] -> t :: ToHostSniffers($device);
  input[1] -> t;
}