Create /plugins directory, move sample-plugin

Change-Id: Ia58923c7c98dc04c027c8c5879a4dc5f5b144b8a
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 0 insertions, 268 deletions

diff --git a/sample-plugin/sample/node.c b/sample-plugin/sample/node.c
deleted file mode 100644
index 9f8ddc16db5..00000000000
--- a/sample-plugin/sample/node.c
+++ /dev/null
@@ -1,268 +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/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-#include <sample/sample.h>
-
-typedef struct {
-  u32 next_index;
-  u32 sw_if_index;
-} sample_trace_t;
-
-/* packet trace format function */
-static u8 * format_sample_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 *);
-  sample_trace_t * t = va_arg (*args, sample_trace_t *);
-  
-  s = format (s, "SAMPLE: sw_if_index %d, next index %d",
-              t->sw_if_index, t->next_index);
-  return s;
-}
-
-vlib_node_registration_t sample_node;
-
-#define foreach_sample_error \
-_(SWAPPED, "Mac swap packets processed")
-
-typedef enum {
-#define _(sym,str) SAMPLE_ERROR_##sym,
-  foreach_sample_error
-#undef _
-  SAMPLE_N_ERROR,
-} sample_error_t;
-
-static char * sample_error_strings[] = {
-#define _(sym,string) string,
-  foreach_sample_error
-#undef _
-};
-
-typedef enum {
-  SAMPLE_NEXT_INTERFACE_OUTPUT,
-  SAMPLE_N_NEXT,
-} sample_next_t;
-
-#define foreach_mac_address_offset              \
-_(0)                                            \
-_(1)                                            \
-_(2)                                            \
-_(3)                                            \
-_(4)                                            \
-_(5)
-
-static uword
-sample_node_fn (vlib_main_t * vm,
-		  vlib_node_runtime_t * node,
-		  vlib_frame_t * frame)
-{
-  u32 n_left_from, * from, * to_next;
-  sample_next_t next_index;
-  u32 pkts_swapped = 0;
-
-  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 next0 = SAMPLE_NEXT_INTERFACE_OUTPUT;
-          u32 next1 = SAMPLE_NEXT_INTERFACE_OUTPUT;
-          u32 sw_if_index0, sw_if_index1;
-          u8 tmp0[6], tmp1[6];
-          ethernet_header_t *en0, *en1;
-          u32 bi0, bi1;
-	  vlib_buffer_t * b0, * b1;
-          
-	  /* 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);
-	  }
-
-          /* speculatively enqueue b0 and b1 to the current next frame */
-	  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);
-
-          ASSERT (b0->current_data == 0);
-          ASSERT (b1->current_data == 0);
-          
-          en0 = vlib_buffer_get_current (b0);
-          en1 = vlib_buffer_get_current (b1);
-
-          /* This is not the fastest way to swap src + dst mac addresses */
-#define _(a) tmp0[a] = en0->src_address[a];
-          foreach_mac_address_offset;
-#undef _
-#define _(a) en0->src_address[a] = en0->dst_address[a];
-          foreach_mac_address_offset;
-#undef _
-#define _(a) en0->dst_address[a] = tmp0[a];
-          foreach_mac_address_offset;
-#undef _
-
-#define _(a) tmp1[a] = en1->src_address[a];
-          foreach_mac_address_offset;
-#undef _
-#define _(a) en1->src_address[a] = en1->dst_address[a];
-          foreach_mac_address_offset;
-#undef _
-#define _(a) en1->dst_address[a] = tmp1[a];
-          foreach_mac_address_offset;
-#undef _
-
-
-
-          sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-          sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
-          /* Send pkt back out the RX interface */
-          vnet_buffer(b0)->sw_if_index[VLIB_TX] = sw_if_index0;
-          vnet_buffer(b1)->sw_if_index[VLIB_TX] = sw_if_index1;
-
-          pkts_swapped += 2;
-
-          if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
-            {
-              if (b0->flags & VLIB_BUFFER_IS_TRACED) 
-                {
-                    sample_trace_t *t = 
-                      vlib_add_trace (vm, node, b0, sizeof (*t));
-                    t->sw_if_index = sw_if_index0;
-                    t->next_index = next0;
-                  }
-                if (b1->flags & VLIB_BUFFER_IS_TRACED) 
-                  {
-                    sample_trace_t *t = 
-                      vlib_add_trace (vm, node, b1, sizeof (*t));
-                    t->sw_if_index = sw_if_index1;
-                    t->next_index = next1;
-                  }
-              }
-            
-            /* verify speculative enqueues, maybe switch current next frame */
-            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 = SAMPLE_NEXT_INTERFACE_OUTPUT;
-          u32 sw_if_index0;
-          u8 tmp0[6];
-          ethernet_header_t *en0;
-
-          /* speculatively enqueue b0 to the current next frame */
-	  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);
-          /* 
-           * Direct from the driver, we should be at offset 0
-           * aka at &b0->data[0]
-           */
-          ASSERT (b0->current_data == 0);
-          
-          en0 = vlib_buffer_get_current (b0);
-
-          /* This is not the fastest way to swap src + dst mac addresses */
-#define _(a) tmp0[a] = en0->src_address[a];
-          foreach_mac_address_offset;
-#undef _
-#define _(a) en0->src_address[a] = en0->dst_address[a];
-          foreach_mac_address_offset;
-#undef _
-#define _(a) en0->dst_address[a] = tmp0[a];
-          foreach_mac_address_offset;
-#undef _
-
-          sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
-          /* Send pkt back out the RX interface */
-          vnet_buffer(b0)->sw_if_index[VLIB_TX] = sw_if_index0;
-
-          if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) 
-                            && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
-            sample_trace_t *t = 
-               vlib_add_trace (vm, node, b0, sizeof (*t));
-            t->sw_if_index = sw_if_index0;
-            t->next_index = next0;
-            }
-            
-          pkts_swapped += 1;
-
-          /* verify speculative enqueue, maybe switch current next frame */
-	  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);
-    }
-
-  vlib_node_increment_counter (vm, sample_node.index, 
-                               SAMPLE_ERROR_SWAPPED, pkts_swapped);
-  return frame->n_vectors;
-}
-
-VLIB_REGISTER_NODE (sample_node) = {
-  .function = sample_node_fn,
-  .name = "sample",
-  .vector_size = sizeof (u32),
-  .format_trace = format_sample_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-  
-  .n_errors = ARRAY_LEN(sample_error_strings),
-  .error_strings = sample_error_strings,
-
-  .n_next_nodes = SAMPLE_N_NEXT,
-
-  /* edit / add dispositions here */
-  .next_nodes = {
-        [SAMPLE_NEXT_INTERFACE_OUTPUT] = "interface-output",
-  },
-};