[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, 234 deletions

diff --git a/hicn-plugin/src/mapme_ack_node.c b/hicn-plugin/src/mapme_ack_node.c
deleted file mode 100644
index f26895d20..000000000
--- a/hicn-plugin/src/mapme_ack_node.c
+++ /dev/null
@@ -1,234 +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.
- */
-
-#include <vnet/ip/ip6_packet.h>
-
-#include "hicn.h"
-#include "mapme.h"
-#include "mapme_ack.h"
-#include "mapme_eventmgr.h"
-#include "mgmt.h"
-#include "parser.h"
-#include "data_fwd.h"
-#include "infra.h"
-#include "strategy_dpo_manager.h"
-#include "error.h"
-#include "state.h"
-
-extern hicn_mapme_main_t mapme_main;
-
-/* packet trace format function */
-static u8 *hicn_mapme_ack_format_trace (u8 * s, va_list * args);
-
-
-/* Stats string values */
-static char *hicn_mapme_ack_error_strings[] = {
-#define _(sym, string) string,
-  foreach_hicnfwd_error
-#undef _
-};
-
-/*
- * @brief Process incoming ack messages (Interest Update Ack)
- * @param vm vlib main data structure
- * @param b Control packet (IU)
- * @param face_id Ingress face id
- */
-bool
-hicn_mapme_process_ack (vlib_main_t * vm, vlib_buffer_t * b,
-			hicn_face_id_t in_face)
-{
-  seq_t fib_seq;
-  const dpo_id_t *dpo;
-  hicn_prefix_t prefix;
-  mapme_params_t params;
-  int rc;
-
-  /* Parse incoming message */
-  rc =
-    hicn_mapme_parse_packet (vlib_buffer_get_current (b), &prefix, &params);
-  if (rc < 0)
-    goto ERR_PARSE;
-
-  /* if (params.seq == INVALID_SEQ) */
-  /*   { */
-  /*     DEBUG ("Invalid sequence number found in IU"); */
-  /*     return true; */
-  /*   } */
-
-  dpo = fib_epm_lookup (&(prefix.name), prefix.len);
-  if (!dpo)
-    {
-      DEBUG ("Ignored ACK for non-existing FIB entry. Ignored.");
-      return true;
-
-    }
-
-  /* We are only expecting ACKs for hICN DPOs */
-  ASSERT (dpo_is_hicn (dpo));
-
-  hicn_mapme_tfib_t *tfib =
-    TFIB (hicn_strategy_dpo_ctx_get (dpo->dpoi_index));
-
-  if (tfib == NULL)
-    {
-      WARN ("Unable to get strategy ctx.");
-      return false;
-    }
-
-  fib_seq = tfib->seq;
-
-  /*
-   * As we always retransmit IU with the latest seq, we are not interested in
-   * ACKs with inferior seq
-   */
-  if (params.seq < fib_seq)
-    {
-      DEBUG ("Ignored ACK for low seq");
-      return true;
-    }
-
-  hicn_mapme_tfib_del (tfib, in_face);
-
-  /*
-   * Is the ingress face in TFIB ? if so, remove it, otherwise it might be a
-   * duplicate
-   */
-  retx_t *retx = vlib_process_signal_event_data (vm,
-						 hicn_mapme_eventmgr_process_node.
-						 index,
-						 HICN_MAPME_EVENT_FACE_PH_DEL,
-						 1,
-						 sizeof (retx_t));
-  *retx = (retx_t)
-    {
-     .prefix = prefix,
-     .dpo = *dpo
-    };
-
-  return true;
-
-ERR_PARSE:
-  return false;
-}
-
-vlib_node_registration_t hicn_mapme_ack_node;
-
-static uword
-hicn_mapme_ack_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
-			vlib_frame_t * frame)
-{
-  hicn_buffer_t *hb;
-  hicn_mapme_ack_next_t next_index;
-  u32 n_left_from, *from, *to_next;
-  n_left_from = frame->n_vectors;
-
-  from = vlib_frame_vector_args (frame);
-  n_left_from = frame->n_vectors;
-  next_index = node->cached_next_index;
-
-  while (n_left_from > 0)	// buffers in the current frame
-    {
-      u32 n_left_to_next;
-      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
-
-      while (n_left_from > 0 && n_left_to_next > 0)
-	{
-	  u32 bi0;
-	  vlib_buffer_t *b0;
-	  u32 next0 = HICN_MAPME_ACK_NEXT_ERROR_DROP;
-	  u32 sw_if_index0;
-	  /* 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);
-
-	  vlib_cli_output (vm, "Received IUAck");
-	  hb = hicn_get_buffer (b0);
-	  hicn_mapme_process_ack (vm, b0, hb->face_id);
-
-	  /* Single loop: process 1 packet here */
-	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-
-	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
-			     && (b0->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      hicn_mapme_ack_trace_t *t =
-		vlib_add_trace (vm, node, b0, sizeof (*t));
-	      t->sw_if_index = sw_if_index0;
-	      t->next_index = next0;
-	    }
-	  /* $$$$$ Done processing 1 packet here $$$$$ */
-
-	  /* 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, hicn_mapme_ack_node.index,
-//                               HICN_MAPME_ACK_ERROR_SWAPPED, pkts_swapped);
-  return (frame->n_vectors);
-}
-
-/* packet trace format function */
-static u8 *
-hicn_mapme_ack_format_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_mapme_ack_trace_t *t = va_arg (*args, hicn_mapme_ack_trace_t *);
-
-  s = format (s, "MAPME_ACK: pkt: %d, sw_if_index %d, next index %d",
-	      (int) t->pkt_type, t->sw_if_index, t->next_index);
-  return (s);
-}
-
-
-/*
- * Node registration for the MAP-Me node processing special interests
- */
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (hicn_mapme_ack_node) =
-{
-  .function = hicn_mapme_ack_node_fn,
-  .name = "hicn-mapme-ack",
-  .vector_size =  sizeof (u32),
-  .runtime_data_bytes = sizeof (hicn_mapme_ack_runtime_t),
-  .format_trace = hicn_mapme_ack_format_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-  .n_errors = ARRAY_LEN (hicn_mapme_ack_error_strings),
-  .error_strings = hicn_mapme_ack_error_strings,
-  .n_next_nodes = HICN_MAPME_ACK_N_NEXT,
-  .next_nodes =
-  {
-    [HICN_MAPME_ACK_NEXT_ERROR_DROP] = "error-drop",
-  },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */