[HICN-574] Host stack plugin for VPP.

Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I8d8fdffef31a7013265d6529c5f52f3d5ec70d18
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Signed-off-by: Mauro <you@example.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>

1 files changed, 0 insertions, 314 deletions

diff --git a/hicn-plugin/src/faces/app/face_prod_node.c b/hicn-plugin/src/faces/app/face_prod_node.c
deleted file mode 100644
index 80c3e124c..000000000
--- a/hicn-plugin/src/faces/app/face_prod_node.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * Copyright (c) 2017-2020 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.
- */
-
-/**
- * @file
- *
- * @brief Application interface node
- *
- * This node runs after the device-input node and perfoms some safety checks in
- * order to avoid unespected interest and data (i.e., hICN packets whose name do
- * not contain the prefix associated to the application face)
- */
-
-#include "face_prod.h"
-#include "../../hicn_api.h"
-#include "../../mgmt.h"
-
-static __clib_unused char *face_prod_input_error_strings[] = {
-#define _(sym, string) string,
-  foreach_hicnfwd_error
-#undef _
-};
-
-/* Node context data */
-typedef struct hicn_face_prod_runtime_s
-{
-  int id;
-} hicn_face_prod_runtime_t;
-
-typedef struct
-{
-  u32 next_index;
-  u32 sw_if_index;
-} hicn_face_prod_input_trace_t;
-
-typedef enum
-{
-  HICN_FACE_PROD_NEXT_DATA_IP4,
-  HICN_FACE_PROD_NEXT_DATA_IP6,
-  HICN_FACE_PROD_NEXT_ERROR_DROP,
-  HICN_FACE_PROD_N_NEXT,
-} hicn_face_prod_next_t;
-
-vlib_node_registration_t hicn_face_prod_input_node;
-
-static __clib_unused u8 *
-format_face_prod_input_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 *);
-  hicn_face_prod_input_trace_t *t =
-    va_arg (*args, hicn_face_prod_input_trace_t *);
-  CLIB_UNUSED (u32 indent) = format_get_indent (s);
-
-  s = format (s, "prod-face: sw_if_index %d next-index %d",
-	      t->sw_if_index, t->next_index);
-  return s;
-}
-
-static_always_inline int
-match_ip4_name (u32 * name, fib_prefix_t * prefix)
-{
-  u32 xor = 0;
-
-  xor = *name & prefix->fp_addr.ip4.data_u32;
-
-  return xor == prefix->fp_addr.ip4.data_u32;
-}
-
-static_always_inline int
-match_ip6_name (u8 * name, fib_prefix_t * prefix)
-{
-  union
-  {
-    u32x4 as_u32x4;
-    u64 as_u64[2];
-    u32 as_u32[4];
-  } xor_sum __attribute__ ((aligned (sizeof (u32x4))));
-
-  xor_sum.as_u64[0] = ((u64 *) name)[0] & prefix->fp_addr.ip6.as_u64[0];
-  xor_sum.as_u64[1] = ((u64 *) name)[1] & prefix->fp_addr.ip6.as_u64[1];
-
-  return (xor_sum.as_u64[0] == prefix->fp_addr.ip6.as_u64[0]) &&
-    (xor_sum.as_u64[1] == prefix->fp_addr.ip6.as_u64[1]);
-}
-
-static_always_inline u32
-hicn_face_prod_next_from_data_hdr (vlib_node_runtime_t * node,
-				   vlib_buffer_t * b, fib_prefix_t * prefix)
-{
-  u8 *ptr = vlib_buffer_get_current (b);
-  u8 v = *ptr & 0xf0;
-  int match_res = 1;
-
-  if (PREDICT_TRUE (v == 0x40 && ip46_address_is_ip4 (&prefix->fp_addr)))
-    {
-      match_res = match_ip4_name ((u32 *) & (ptr[12]), prefix);
-    }
-  else if (PREDICT_TRUE (v == 0x60 && !ip46_address_is_ip4 (&prefix->fp_addr)))
-    {
-      match_res = match_ip6_name (& (ptr[8]), prefix);
-    }
-
-  return match_res ? HICN_FACE_PROD_NEXT_DATA_IP4 + (v ==
-						     0x60) :
-    HICN_FACE_PROD_NEXT_ERROR_DROP;
-}
-
-static_always_inline void
-hicn_face_prod_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node,
-			     u32 swif, vlib_buffer_t * b, u32 next)
-{
-  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
-		     (b->flags & VLIB_BUFFER_IS_TRACED)))
-    {
-      hicn_face_prod_input_trace_t *t =
-	vlib_add_trace (vm, node, b, sizeof (*t));
-      t->next_index = next;
-      t->sw_if_index = swif;
-    }
-}
-
-static uword
-hicn_face_prod_input_node_fn (vlib_main_t * vm,
-			      vlib_node_runtime_t * node,
-			      vlib_frame_t * frame)
-{
-  u32 n_left_from, *from, *to_next;
-  hicn_face_prod_next_t next_index;
-  vl_api_hicn_api_node_stats_get_reply_t stats = { 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 >= 8 && n_left_to_next >= 4)
-	{
-	  vlib_buffer_t *b0, *b1, *b2, *b3;
-	  u32 bi0, bi1, bi2, bi3;
-	  hicn_face_prod_state_t *prod_face0 = NULL;
-	  hicn_face_prod_state_t *prod_face1 = NULL;
-	  hicn_face_prod_state_t *prod_face2 = NULL;
-	  hicn_face_prod_state_t *prod_face3 = NULL;
-	  u32 next0, next1, next2, next3;
-
-	  {
-	    vlib_buffer_t *b4, *b5, *b6, *b7;
-	    b4 = vlib_get_buffer (vm, from[4]);
-	    b5 = vlib_get_buffer (vm, from[5]);
-	    b6 = vlib_get_buffer (vm, from[6]);
-	    b7 = vlib_get_buffer (vm, from[7]);
-	    CLIB_PREFETCH (b4, CLIB_CACHE_LINE_BYTES, STORE);
-	    CLIB_PREFETCH (b5, CLIB_CACHE_LINE_BYTES, STORE);
-	    CLIB_PREFETCH (b6, CLIB_CACHE_LINE_BYTES, STORE);
-	    CLIB_PREFETCH (b7, CLIB_CACHE_LINE_BYTES, STORE);
-	  }
-
-	  bi0 = from[0];
-	  bi1 = from[1];
-	  bi2 = from[2];
-	  bi3 = from[3];
-
-	  from += 4;
-	  n_left_from -= 4;
-	  to_next[0] = bi0;
-	  to_next[1] = bi1;
-	  to_next[2] = bi2;
-	  to_next[3] = bi3;
-
-	  to_next += 4;
-	  n_left_to_next -= 4;
-
-	  b0 = vlib_get_buffer (vm, bi0);
-	  b1 = vlib_get_buffer (vm, bi1);
-	  b2 = vlib_get_buffer (vm, bi2);
-	  b3 = vlib_get_buffer (vm, bi3);
-
-	  prod_face0 =
-	    &face_state_vec[vnet_buffer (b0)->sw_if_index[VLIB_RX]];
-	  prod_face1 =
-	    &face_state_vec[vnet_buffer (b1)->sw_if_index[VLIB_RX]];
-	  prod_face2 =
-	    &face_state_vec[vnet_buffer (b2)->sw_if_index[VLIB_RX]];
-	  prod_face3 =
-	    &face_state_vec[vnet_buffer (b3)->sw_if_index[VLIB_RX]];
-
-	  next0 =
-	    hicn_face_prod_next_from_data_hdr (node, b0, &prod_face0->prefix);
-	  next1 =
-	    hicn_face_prod_next_from_data_hdr (node, b1, &prod_face1->prefix);
-	  next2 =
-	    hicn_face_prod_next_from_data_hdr (node, b2, &prod_face2->prefix);
-	  next3 =
-	    hicn_face_prod_next_from_data_hdr (node, b3, &prod_face3->prefix);
-	  stats.pkts_data_count += 4;
-
-	  /* trace */
-	  hicn_face_prod_trace_buffer (vm, node,
-				       vnet_buffer (b0)->sw_if_index[VLIB_RX],
-				       b0, next0);
-	  hicn_face_prod_trace_buffer (vm, node,
-				       vnet_buffer (b1)->sw_if_index[VLIB_RX],
-				       b1, next1);
-	  hicn_face_prod_trace_buffer (vm, node,
-				       vnet_buffer (b2)->sw_if_index[VLIB_RX],
-				       b2, next2);
-	  hicn_face_prod_trace_buffer (vm, node,
-				       vnet_buffer (b3)->sw_if_index[VLIB_RX],
-				       b3, next3);
-
-	  /* enqueue */
-	  vlib_validate_buffer_enqueue_x4 (vm, node, next_index, to_next,
-					   n_left_to_next, bi0, bi1, bi2, bi3,
-					   next0, next1, next2, next3);
-
-	  stats.pkts_processed += 4;
-
-	}
-
-      while (n_left_from > 0 && n_left_to_next > 0)
-	{
-	  vlib_buffer_t *b0;
-	  u32 bi0, swif;
-	  hicn_face_prod_state_t *prod_face = NULL;
-	  u32 next0;
-
-	  if (n_left_from > 1)
-	    {
-	      vlib_buffer_t *b1;
-	      b1 = vlib_get_buffer (vm, from[1]);
-	      CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES, STORE);
-	    }
-
-	  bi0 = from[0];
-	  from += 1;
-	  n_left_from -= 1;
-	  to_next[0] = bi0;
-	  to_next += 1;
-	  n_left_to_next -= 1;
-
-	  b0 = vlib_get_buffer (vm, bi0);
-	  swif = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-	  prod_face = &face_state_vec[swif];
-
-	  next0 =
-	    hicn_face_prod_next_from_data_hdr (node, b0, &prod_face->prefix);
-	  stats.pkts_data_count++;
-
-	  /* trace */
-	  hicn_face_prod_trace_buffer (vm, node,
-				       vnet_buffer (b0)->sw_if_index[VLIB_RX],
-				       b0, next0);
-
-	  /* enqueue */
-	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
-					   n_left_to_next, bi0, next0);
-
-	  stats.pkts_processed += 1;
-
-	}
-
-      vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-    }
-
-  vlib_node_increment_counter (vm, node->node_index,
-			       HICNFWD_ERROR_PROCESSED, stats.pkts_processed);
-  vlib_node_increment_counter (vm, node->node_index, HICNFWD_ERROR_DATAS,
-			       stats.pkts_data_count);
-
-  return (frame->n_vectors);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE(hicn_face_prod_input_node) =
-{
-  .function = hicn_face_prod_input_node_fn,
-  .name = "hicn-face-prod-input",
-  .vector_size = sizeof(u32),
-  .format_trace = format_face_prod_input_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-  .n_errors = ARRAY_LEN(face_prod_input_error_strings),
-  .error_strings = face_prod_input_error_strings,
-  .n_next_nodes = HICN_FACE_PROD_N_NEXT,
-  .next_nodes =
-  {
-    [HICN_FACE_PROD_NEXT_DATA_IP4] = "hicn4-face-input",
-    [HICN_FACE_PROD_NEXT_DATA_IP6] = "hicn6-face-input",
-    [HICN_FACE_PROD_NEXT_ERROR_DROP] = "error-drop",
-  },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */