nat: nat44-ei hairpinning code cleanup

Removing obsolete unused nat44-ei nodes and functions.

Type: refactor
Change-Id: I1e03e283091c3c0d92908d04037cba00a348351a
Signed-off-by: Filip Varga <fivarga@cisco.com>

1 files changed, 0 insertions, 92 deletions

diff --git a/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.h b/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.h
deleted file mode 100644
index 908e6b2cfc9..00000000000
--- a/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.h
+++ /dev/null
@@ -1,92 +0,0 @@
-#ifndef __included_nat44_ei_hairpinning_h__
-#define __included_nat44_ei_hairpinning_h__
-
-#include <nat/nat44-ei/nat44_ei.h>
-
-#define foreach_nat44_ei_hairpinning_handoff_error                            \
-  _ (CONGESTION_DROP, "congestion drop")
-
-typedef enum
-{
-#define _(sym, str) NAT44_EI_HAIRPINNING_HANDOFF_ERROR_##sym,
-  foreach_nat44_ei_hairpinning_handoff_error
-#undef _
-    NAT44_EI_HAIRPINNING_HANDOFF_N_ERROR,
-} nat44_ei_hairpinning_handoff_error_t;
-
-static char *nat44_ei_hairpinning_handoff_error_strings[] = {
-#define _(sym, string) string,
-  foreach_nat44_ei_hairpinning_handoff_error
-#undef _
-};
-
-typedef struct
-{
-  u32 next_worker_index;
-} nat44_ei_hairpinning_handoff_trace_t;
-
-static u8 *
-format_nat44_ei_hairpinning_handoff_trace (u8 *s, va_list *args)
-{
-  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
-  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
-  nat44_ei_hairpinning_handoff_trace_t *t =
-    va_arg (*args, nat44_ei_hairpinning_handoff_trace_t *);
-
-  s = format (s, "nat44-ei-hairpinning-handoff: next-worker %d",
-	      t->next_worker_index);
-
-  return s;
-}
-
-always_inline uword
-nat44_ei_hairpinning_handoff_fn_inline (vlib_main_t *vm,
-					vlib_node_runtime_t *node,
-					vlib_frame_t *frame, u32 fq_index)
-{
-  vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
-  u32 n_enq, n_left_from, *from;
-  u16 thread_indices[VLIB_FRAME_SIZE], *ti;
-
-  from = vlib_frame_vector_args (frame);
-  n_left_from = frame->n_vectors;
-  vlib_get_buffers (vm, from, bufs, n_left_from);
-
-  b = bufs;
-  ti = thread_indices;
-
-  while (n_left_from > 0)
-    {
-      ti[0] = vnet_buffer (b[0])->snat.required_thread_index;
-
-      if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
-			 (b[0]->flags & VLIB_BUFFER_IS_TRACED)))
-	{
-	  nat44_ei_hairpinning_handoff_trace_t *t =
-	    vlib_add_trace (vm, node, b[0], sizeof (*t));
-	  t->next_worker_index = ti[0];
-	}
-
-      n_left_from -= 1;
-      ti += 1;
-      b += 1;
-    }
-  n_enq = vlib_buffer_enqueue_to_thread (vm, node, fq_index, from,
-					 thread_indices, frame->n_vectors, 1);
-
-  if (n_enq < frame->n_vectors)
-    vlib_node_increment_counter (
-      vm, node->node_index, NAT44_EI_HAIRPINNING_HANDOFF_ERROR_CONGESTION_DROP,
-      frame->n_vectors - n_enq);
-  return frame->n_vectors;
-}
-
-#endif // __included_nat44_ei_hairpinning_h__
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */