Remove unused, uninteresting code

Move elog_sample.c to src/examples/vlib

Change-Id: I7d32c83c424b9ca4a057372c7fc6a6e2b7dab034
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 0 insertions, 397 deletions

diff --git a/src/vnet/ethernet/mac_swap.c b/src/vnet/ethernet/mac_swap.c
deleted file mode 100644
index c0fec12e61e..00000000000
--- a/src/vnet/ethernet/mac_swap.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <vlib/vlib.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vppinfra/error.h>
-#include <vnet/devices/pci/ige.h>
-#include <vnet/devices/pci/ixge.h>
-#include <vnet/devices/pci/ixgev.h>
-
-typedef struct
-{
-  u32 cached_next_index;
-  u32 cached_sw_if_index;
-
-  /* Hash table to map sw_if_index to next node index */
-  uword *next_node_index_by_sw_if_index;
-
-  /* convenience */
-  vlib_main_t *vlib_main;
-  vnet_main_t *vnet_main;
-} mac_swap_main_t;
-
-typedef struct
-{
-  u8 src[6];
-  u8 dst[6];
-  u32 sw_if_index;
-  u32 next_index;
-} swap_trace_t;
-
-/* packet trace format function */
-static u8 *
-format_swap_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 *);
-  swap_trace_t *t = va_arg (*args, swap_trace_t *);
-
-  s = format (s, "SWAP: dst now %U src now %U sw_if_index %d next_index %d",
-	      format_ethernet_address, t->dst,
-	      format_ethernet_address, t->src, t->sw_if_index, t->next_index);
-  return s;
-}
-
-#define foreach_hw_driver_next                  \
-  _(IP4)                                        \
-  _(IP6)                                        \
-  _(ETHERNET)
-
-mac_swap_main_t mac_swap_main;
-
-static vlib_node_registration_t mac_swap_node;
-
-#define foreach_mac_swap_error \
-_(SWAPS, "mac addresses swapped")
-
-typedef enum
-{
-#define _(sym,str) MAC_SWAP_ERROR_##sym,
-  foreach_mac_swap_error
-#undef _
-    MAC_SWAP_N_ERROR,
-} mac_swap_error_t;
-
-static char *mac_swap_error_strings[] = {
-#define _(sym,string) string,
-  foreach_mac_swap_error
-#undef _
-};
-
-/*
- * To drop a pkt and increment one of the previous counters:
- *
- * set b0->error = error_node->errors[RANDOM_ERROR_SAMPLE];
- * set next0 to a disposition index bound to "error-drop".
- *
- * To manually increment the specific counter MAC_SWAP_ERROR_SAMPLE:
- *
- *  vlib_node_t *n = vlib_get_node (vm, mac_swap.index);
- *  u32 node_counter_base_index = n->error_heap_index;
- *  vlib_error_main_t * em = &vm->error_main;
- *  em->counters[node_counter_base_index + MAC_SWAP_ERROR_SAMPLE] += 1;
- *
- */
-
-typedef enum
-{
-  MAC_SWAP_NEXT_DROP,
-  MAC_SWAP_N_NEXT,
-} mac_swap_next_t;
-
-static uword
-mac_swap_node_fn (vlib_main_t * vm,
-		  vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
-  u32 n_left_from, *from, *to_next;
-  mac_swap_next_t next_index;
-  mac_swap_main_t *msm = &mac_swap_main;
-  vlib_node_t *n = vlib_get_node (vm, mac_swap_node.index);
-  u32 node_counter_base_index = n->error_heap_index;
-  vlib_error_main_t *em = &vm->error_main;
-
-  from = vlib_frame_vector_args (frame);
-  n_left_from = frame->n_vectors;
-  next_index = node->cached_next_index;
-
-  while (n_left_from > 0)
-    {
-      u32 n_left_to_next;
-
-      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
-      while (n_left_from >= 4 && n_left_to_next >= 2)
-	{
-	  u32 bi0, bi1;
-	  vlib_buffer_t *b0, *b1;
-	  u32 next0, next1;
-	  u32 sw_if_index0, sw_if_index1;
-	  uword *p0, *p1;
-	  u64 tmp0a, tmp0b;
-	  u64 tmp1a, tmp1b;
-	  ethernet_header_t *h0, *h1;
-
-
-	  /* Prefetch next iteration. */
-	  {
-	    vlib_buffer_t *p2, *p3;
-
-	    p2 = vlib_get_buffer (vm, from[2]);
-	    p3 = vlib_get_buffer (vm, from[3]);
-
-	    vlib_prefetch_buffer_header (p2, LOAD);
-	    vlib_prefetch_buffer_header (p3, LOAD);
-
-	    CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
-	    CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
-	  }
-
-	  to_next[0] = bi0 = from[0];
-	  to_next[1] = bi1 = from[1];
-	  from += 2;
-	  to_next += 2;
-	  n_left_from -= 2;
-	  n_left_to_next -= 2;
-
-	  b0 = vlib_get_buffer (vm, bi0);
-	  b1 = vlib_get_buffer (vm, bi1);
-
-	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-	  next0 = msm->cached_next_index;
-	  sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
-	  next1 = msm->cached_next_index;
-
-	  if (PREDICT_FALSE (msm->cached_sw_if_index != sw_if_index0))
-	    {
-	      p0 =
-		hash_get (msm->next_node_index_by_sw_if_index, sw_if_index0);
-	      if (p0 == 0)
-		{
-		  vnet_hw_interface_t *hw0;
-
-		  hw0 = vnet_get_sup_hw_interface (msm->vnet_main,
-						   sw_if_index0);
-
-		  next0 = vlib_node_add_next (msm->vlib_main,
-					      mac_swap_node.index,
-					      hw0->output_node_index);
-		  hash_set (msm->next_node_index_by_sw_if_index,
-			    sw_if_index0, next0);
-		}
-	      else
-		next0 = p0[0];
-	      msm->cached_sw_if_index = sw_if_index0;
-	      msm->cached_next_index = next0;
-	      next1 = next0;
-	    }
-	  if (PREDICT_FALSE (msm->cached_sw_if_index != sw_if_index1))
-	    {
-	      p1 =
-		hash_get (msm->next_node_index_by_sw_if_index, sw_if_index1);
-	      if (p1 == 0)
-		{
-		  vnet_hw_interface_t *hw1;
-
-		  hw1 = vnet_get_sup_hw_interface (msm->vnet_main,
-						   sw_if_index1);
-
-		  next1 = vlib_node_add_next (msm->vlib_main,
-					      mac_swap_node.index,
-					      hw1->output_node_index);
-		  hash_set (msm->next_node_index_by_sw_if_index,
-			    sw_if_index1, next1);
-		}
-	      else
-		next1 = p1[0];
-	      msm->cached_sw_if_index = sw_if_index1;
-	      msm->cached_next_index = next1;
-	    }
-
-	  em->counters[node_counter_base_index + MAC_SWAP_ERROR_SWAPS] += 2;
-
-	  /* reset buffer so we always point at the MAC hdr */
-	  vlib_buffer_reset (b0);
-	  vlib_buffer_reset (b1);
-	  h0 = vlib_buffer_get_current (b0);
-	  h1 = vlib_buffer_get_current (b1);
-
-	  /* Swap 2 x src and dst mac addresses using 8-byte load/stores */
-	  tmp0a = clib_net_to_host_u64 (((u64 *) (h0->dst_address))[0]);
-	  tmp1a = clib_net_to_host_u64 (((u64 *) (h1->dst_address))[0]);
-	  tmp0b = clib_net_to_host_u64 (((u64 *) (h0->src_address))[0]);
-	  tmp1b = clib_net_to_host_u64 (((u64 *) (h1->src_address))[0]);
-	  ((u64 *) (h0->dst_address))[0] = clib_host_to_net_u64 (tmp0b);
-	  ((u64 *) (h1->dst_address))[0] = clib_host_to_net_u64 (tmp1b);
-	  /* Move the ethertype from "b" to "a" */
-	  tmp0a &= ~(0xFFFF);
-	  tmp1a &= ~(0xFFFF);
-	  tmp0a |= tmp0b & 0xFFFF;
-	  ((u64 *) (h0->src_address))[0] = clib_host_to_net_u64 (tmp0a);
-	  tmp1a |= tmp1b & 0xFFFF;
-	  ((u64 *) (h1->src_address))[0] = clib_host_to_net_u64 (tmp1a);
-
-	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
-	    {
-	      if (b0->flags & VLIB_BUFFER_IS_TRACED)
-		{
-		  swap_trace_t *t =
-		    vlib_add_trace (vm, node, b0, sizeof (*t));
-		  clib_memcpy (t->src, h0->src_address, 6);
-		  clib_memcpy (t->dst, h0->dst_address, 6);
-		  t->sw_if_index = sw_if_index0;
-		  t->next_index = next0;
-		}
-	      if (b1->flags & VLIB_BUFFER_IS_TRACED)
-		{
-		  swap_trace_t *t =
-		    vlib_add_trace (vm, node, b1, sizeof (*t));
-		  clib_memcpy (t->src, h1->src_address, 6);
-		  clib_memcpy (t->dst, h1->dst_address, 6);
-		  t->sw_if_index = sw_if_index1;
-		  t->next_index = next1;
-		}
-	    }
-
-	  vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
-					   to_next, n_left_to_next,
-					   bi0, bi1, next0, next1);
-	}
-
-      while (n_left_from > 0 && n_left_to_next > 0)
-	{
-	  u32 bi0;
-	  vlib_buffer_t *b0;
-	  u32 next0;
-	  u32 sw_if_index0;
-	  uword *p0;
-	  u64 tmp0a, tmp0b;
-	  ethernet_header_t *h0;
-
-	  bi0 = from[0];
-	  to_next[0] = bi0;
-	  from += 1;
-	  to_next += 1;
-	  n_left_from -= 1;
-	  n_left_to_next -= 1;
-
-	  b0 = vlib_get_buffer (vm, bi0);
-
-	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-	  next0 = msm->cached_next_index;
-
-	  if (PREDICT_FALSE (msm->cached_sw_if_index != sw_if_index0))
-	    {
-	      p0 =
-		hash_get (msm->next_node_index_by_sw_if_index, sw_if_index0);
-	      if (p0 == 0)
-		{
-		  vnet_hw_interface_t *hw0;
-
-		  hw0 = vnet_get_sup_hw_interface (msm->vnet_main,
-						   sw_if_index0);
-
-		  next0 = vlib_node_add_next (msm->vlib_main,
-					      mac_swap_node.index,
-					      hw0->output_node_index);
-		  hash_set (msm->next_node_index_by_sw_if_index,
-			    sw_if_index0, next0);
-		}
-	      else
-		next0 = p0[0];
-	      msm->cached_sw_if_index = sw_if_index0;
-	      msm->cached_next_index = next0;
-	    }
-
-	  em->counters[node_counter_base_index + MAC_SWAP_ERROR_SWAPS] += 1;
-
-	  /* reset buffer so we always point at the MAC hdr */
-	  vlib_buffer_reset (b0);
-	  h0 = vlib_buffer_get_current (b0);
-
-	  /* Exchange src and dst, preserve the ethertype */
-	  tmp0a = clib_net_to_host_u64 (((u64 *) (h0->dst_address))[0]);
-	  tmp0b = clib_net_to_host_u64 (((u64 *) (h0->src_address))[0]);
-	  ((u64 *) (h0->dst_address))[0] = clib_host_to_net_u64 (tmp0b);
-	  tmp0a &= ~(0xFFFF);
-	  tmp0a |= tmp0b & 0xFFFF;
-	  ((u64 *) (h0->src_address))[0] = clib_host_to_net_u64 (tmp0a);
-
-	  /* ship it */
-	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
-			     && (b0->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      swap_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
-	      clib_memcpy (t->src, h0->src_address, 6);
-	      clib_memcpy (t->dst, h0->dst_address, 6);
-	      t->sw_if_index = sw_if_index0;
-	      t->next_index = next0;
-	    }
-
-	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
-					   to_next, n_left_to_next,
-					   bi0, next0);
-	}
-
-      vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-    }
-
-  return frame->n_vectors;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (mac_swap_node,static) = {
-  .function = mac_swap_node_fn,
-  .name = "mac-swap",
-  .vector_size = sizeof (u32),
-  .format_trace = format_swap_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = ARRAY_LEN(mac_swap_error_strings),
-  .error_strings = mac_swap_error_strings,
-
-  .n_next_nodes = MAC_SWAP_N_NEXT,
-
-  /* edit / add dispositions here */
-  .next_nodes = {
-        [MAC_SWAP_NEXT_DROP] = "error-drop",
-  },
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-mac_swap_init (vlib_main_t * vm)
-{
-  mac_swap_main_t *msm = &mac_swap_main;
-
-  msm->next_node_index_by_sw_if_index = hash_create (0, sizeof (uword));
-  msm->cached_next_index = (u32) ~ 0;
-  msm->cached_sw_if_index = (u32) ~ 0;
-  msm->vlib_main = vm;
-  msm->vnet_main = vnet_get_main ();
-
-  /* Driver RX nodes send pkts here... */
-#define _(a) ixge_set_next_node (IXGE_RX_NEXT_##a##_INPUT, "mac-swap");
-  foreach_hw_driver_next
-#undef _
-#define _(a) ixgev_set_next_node (IXGEV_RX_NEXT_##a##_INPUT, "mac-swap");
-    foreach_hw_driver_next
-#undef _
-#define _(a) ige_set_next_node (IGE_RX_NEXT_##a##_INPUT, "mac-swap");
-    foreach_hw_driver_next
-#undef _
-    return 0;
-}
-
-VLIB_INIT_FUNCTION (mac_swap_init);
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */