[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, 896 deletions

diff --git a/hicn-plugin/src/cli.c b/hicn-plugin/src/cli.c
deleted file mode 100644
index 1adf3595c..000000000
--- a/hicn-plugin/src/cli.c
+++ /dev/null
@@ -1,896 +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 <vlib/vlib.h>
-#include <vppinfra/error.h>
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-
-#include <vnet/udp/udp.h>	// port registration
-#include <vnet/ip/ip6_packet.h>	// ip46_address_t
-#include <vnet/ip/format.h>
-#include <vnet/fib/fib_types.h>
-
-#include "hicn.h"
-#include "infra.h"
-#include "parser.h"
-#include "mgmt.h"
-#include "strategy_dpo_manager.h"
-#include "strategy.h"
-#include "pg.h"
-#include "error.h"
-#include "faces/face.h"
-#include "route.h"
-#include "hicn_api.h"
-
-static vl_api_hicn_api_node_params_set_t node_ctl_params = {
-  .pit_max_size = -1,
-  .pit_max_lifetime_sec = -1.0f,
-  .cs_max_size = -1,
-};
-
-typedef enum
-{
-  IP,
-  ETHERNET,
-} interface_type_t;
-
-/*
- * cli handler for 'control start'
- */
-static clib_error_t *
-hicn_cli_node_ctl_start_set_command_fn (vlib_main_t * vm,
-					unformat_input_t * main_input,
-					vlib_cli_command_t * cmd)
-{
-  int ret;
-
-  ret = hicn_infra_plugin_enable_disable (1 /* enable */ ,
-					  node_ctl_params.pit_max_size,
-					  node_ctl_params.pit_max_lifetime_sec,
-					  node_ctl_params.cs_max_size, ~0);
-
-  vlib_cli_output (vm, "hicn: fwdr initialize => %s\n",
-		   get_error_string (ret));
-
-  return (ret == HICN_ERROR_NONE) ? 0 : clib_error_return (0,
-							   get_error_string
-							   (ret));
-}
-
-/*
- * cli handler for 'control stop'
- */
-static clib_error_t *
-hicn_cli_node_ctl_stop_set_command_fn (vlib_main_t * vm,
-				       unformat_input_t * main_input,
-				       vlib_cli_command_t * cmd)
-{
-  int ret;
-
-  /*
-   * Catch unexpected extra arguments on this line. See comment on
-   * hicn_cli_node_ctrl_start_set_command_fn
-   */
-  if (main_input->index > 0 &&
-      main_input->buffer[main_input->index - 1] != '\n')
-    {
-      unformat_input_t _line_input, *line_input = &_line_input;
-      if (!unformat_user (main_input, unformat_line_input, line_input))
-	{
-	  return (0);
-	}
-      while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-	{
-	  return clib_error_return (0, "%s '%U'",
-				    get_error_string (HICN_ERROR_CLI_INVAL),
-				    format_unformat_error, line_input);
-	}
-    }
-  ret = hicn_infra_plugin_enable_disable (0 /* !enable */ ,
-					  node_ctl_params.pit_max_size,
-					  node_ctl_params.pit_max_lifetime_sec,
-					  node_ctl_params.cs_max_size, ~0);
-
-  return (ret == HICN_ERROR_NONE) ? 0 : clib_error_return (0,
-							   get_error_string
-							   (ret));
-}
-
-#define DFLTD_RANGE_OK(val, min, max)        \
-({                        \
-    __typeof__ (val) _val = (val);        \
-    __typeof__ (min) _min = (min);        \
-    __typeof__ (max) _max = (max);        \
-    (_val == -1) ||                \
-    (_val >= _min && _val <= _max);        \
-})
-
-/*
- * cli handler for 'control param'
- */
-static clib_error_t *
-hicn_cli_node_ctl_param_set_command_fn (vlib_main_t * vm,
-					unformat_input_t * main_input,
-					vlib_cli_command_t * cmd)
-{
-  int rv = 0;
-
-  int table_size;
-  f64 lifetime;
-
-  if (hicn_main.is_enabled)
-    {
-      return (clib_error_return
-	      (0, "params cannot be altered once hicn started"));
-    }
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (!unformat_user (main_input, unformat_line_input, line_input))
-    {
-      return clib_error_return (0,
-				get_error_string
-				(HICN_ERROR_FWD_ALREADY_ENABLED));
-    }
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "pit"))
-	{
-	  if (unformat (line_input, "size %d", &table_size))
-	    {
-	      if (!DFLTD_RANGE_OK (table_size, HICN_PARAM_PIT_ENTRIES_MIN,
-				   HICN_PARAM_PIT_ENTRIES_MAX))
-		{
-		  rv = HICN_ERROR_PIT_CONFIG_SIZE_OOB;
-		  break;
-		}
-	      node_ctl_params.pit_max_size = table_size;
-	    }
-	  else if (unformat (line_input, "maxlife %f", &lifetime))
-	    {
-	      if (!DFLTD_RANGE_OK
-		  (lifetime, HICN_PARAM_PIT_LIFETIME_BOUND_MIN_SEC,
-		   HICN_PARAM_PIT_LIFETIME_BOUND_MAX_SEC))
-		{
-		  rv = HICN_ERROR_PIT_CONFIG_MAXLT_OOB;
-		  break;
-		}
-	      node_ctl_params.pit_max_lifetime_sec = lifetime;
-	    }
-	  else
-	    {
-	      rv = HICN_ERROR_CLI_INVAL;
-	      break;
-	    }
-	}
-      else if (unformat (line_input, "cs"))
-	{
-	  if (unformat (line_input, "size %d", &table_size))
-	    {
-	      if (!DFLTD_RANGE_OK (table_size, HICN_PARAM_CS_ENTRIES_MIN,
-				   HICN_PARAM_CS_ENTRIES_MAX))
-		{
-		  rv = HICN_ERROR_CS_CONFIG_SIZE_OOB;
-		  break;
-		}
-	      node_ctl_params.cs_max_size = table_size;
-	    }
-	  else
-	    {
-	      rv = HICN_ERROR_CLI_INVAL;
-	      break;
-	    }
-	}
-      else
-	{
-	  rv = HICN_ERROR_CLI_INVAL;
-	  break;
-	}
-    }
-
-  if (node_ctl_params.cs_max_size == 0)
-    vlib_cli_output (vm,
-		     "CS size set to 0. Consider disable CS at compilation time for better performances\n");
-
-  return (rv == HICN_ERROR_NONE) ? 0 : clib_error_return (0, "%s '%U'",
-							  get_error_string
-							  (rv),
-							  format_unformat_error,
-							  line_input);
-}
-
-/*
- * cli handler for 'hicn show'
- */
-static clib_error_t *
-hicn_cli_show_command_fn (vlib_main_t * vm, unformat_input_t * main_input,
-			  vlib_cli_command_t * cmd)
-{
-  int face_p = 0, fib_p = 0, all_p, internal_p = 0, strategies_p = 0, ret =
-    HICN_ERROR_NONE;
-
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (unformat_user (main_input, unformat_line_input, line_input))
-    {
-      while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-	{
-	  if (unformat (line_input, "face all"))
-	    {
-	      face_p = 1;
-	    }
-	  else if (unformat (line_input, "internal"))
-	    {
-	      /*
-	       * We consider 'internal' a superset, so
-	       * include 'detail' too
-	       */
-	      internal_p = 1;
-	    }
-	  else if (unformat (line_input, "strategies"))
-	    {
-	      /*
-	       * We consider 'internal' a superset, so
-	       * include 'detail' too
-	       */
-	      strategies_p = 1;
-	    }
-	  else
-	    {
-	      ret = HICN_ERROR_CLI_INVAL;
-	      goto done;
-	    }
-	}
-    }
-  /* If nothing specified, show everything */
-  if ((face_p == 0) && (fib_p == 0) && (strategies_p == 0))
-    {
-      all_p = 1;
-    }
-  if (!hicn_main.is_enabled)
-    {
-      if (node_ctl_params.pit_max_size == -1 &&
-	  node_ctl_params.pit_max_lifetime_sec == -1 &&
-	  node_ctl_params.cs_max_size == -1)
-	{
-	  ret = HICN_ERROR_FWD_NOT_ENABLED;
-	  goto done;
-	}
-      vlib_cli_output (vm, "Forwarder: %sabled\nPreconfiguration:\n",
-		       hicn_main.is_enabled ? "en" : "dis");
-
-      if (node_ctl_params.pit_max_size != -1)
-	{
-	  vlib_cli_output (vm, "  PIT:: max entries:%d\n",
-			   node_ctl_params.pit_max_size);
-	}
-      if (node_ctl_params.pit_max_lifetime_sec != -1)
-	{
-	  vlib_cli_output (vm, "  PIT:: max lifetime: %05.3f seconds\n",
-			   node_ctl_params.pit_max_lifetime_sec);
-	}
-      if (node_ctl_params.cs_max_size != -1)
-	{
-	  vlib_cli_output (vm, "  CS:: max entries:%d\n",
-			   node_ctl_params.cs_max_size);
-	}
-      goto done;
-    }
-  /* Globals */
-  vlib_cli_output (vm,
-		   "Forwarder: %sabled\n"
-		   "  PIT:: max entries:%d,"
-		   " lifetime default: max:%05.3f\n"
-		   "  CS::  max entries:%d\n",
-		   hicn_main.is_enabled ? "en" : "dis",
-		   hicn_infra_pit_size,
-		   ((f64) hicn_main.pit_lifetime_max_ms) / SEC_MS,
-		   hicn_infra_cs_size);
-
-  vl_api_hicn_api_node_stats_get_reply_t rm = { 0, }
-  , *rmp = &rm;
-  if (hicn_mgmt_node_stats_get (&rm) == HICN_ERROR_NONE)
-    {
-      vlib_cli_output (vm,	//compare vl_api_hicn_api_node_stats_get_reply_t_handler block
-		       "  PIT entries (now): %d\n"
-		       "  CS total entries (now): %d, network entries (now): %d\n"
-		       "  Forwarding statistics:\n"
-		       "    pkts_processed: %d\n"
-		       "    pkts_interest_count: %d\n"
-		       "    pkts_data_count: %d\n"
-		       "    pkts_from_cache_count: %d\n"
-		       "    interests_aggregated: %d\n"
-		       "    interests_retransmitted: %d\n",
-		       clib_net_to_host_u64 (rmp->pit_entries_count),
-		       clib_net_to_host_u64 (rmp->cs_entries_count),
-		       clib_net_to_host_u64 (rmp->cs_entries_ntw_count),
-		       clib_net_to_host_u64 (rmp->pkts_processed),
-		       clib_net_to_host_u64 (rmp->pkts_interest_count),
-		       clib_net_to_host_u64 (rmp->pkts_data_count),
-		       clib_net_to_host_u64 (rmp->pkts_from_cache_count),
-		       clib_net_to_host_u64 (rmp->interests_aggregated),
-		       clib_net_to_host_u64 (rmp->interests_retx));
-    }
-  if (face_p || all_p)
-    {
-      u8 *strbuf = NULL;
-
-      strbuf = format_hicn_face_all (strbuf, 1, 0);
-      vlib_cli_output (vm, "%s", strbuf);
-
-    }
-  if (strategies_p || all_p)
-    {
-      u8 *strbuf = NULL;
-
-      strbuf = format_hicn_strategy_list (strbuf, 1, 0);
-      vlib_cli_output (vm, (char *) strbuf);
-    }
-done:
-  if (all_p && internal_p && ret == HICN_ERROR_NONE)
-    {
-      vlib_cli_output (vm, "Plugin features: cs:%d\n", HICN_FEATURE_CS);
-      vlib_cli_output (vm,
-		       "Removed CS entries (and freed vlib buffers) %d, Removed PIT entries %d\n",
-		       hicn_main.pitcs.pcs_cs_dealloc,
-		       hicn_main.pitcs.pcs_pit_dealloc);
-      vlib_cli_output (vm,
-		       "Bucke count %d, Overflow buckets count %d, used %d\n",
-		       hicn_main.pitcs.pcs_table->ht_bucket_count,
-		       hicn_main.pitcs.pcs_table->ht_overflow_bucket_count,
-		       hicn_main.pitcs.pcs_table->ht_overflow_buckets_used);
-
-    }
-  return (ret == HICN_ERROR_NONE) ? 0 : clib_error_return (0, "%s\n",
-							   get_error_string
-							   (ret));
-}
-
-/*
- * cli handler for 'fib'
- */
-static clib_error_t *
-hicn_cli_strategy_set_command_fn (vlib_main_t * vm,
-				  unformat_input_t * main_input,
-				  vlib_cli_command_t * cmd)
-{
-  clib_error_t *cl_err = 0;
-
-  int rv = HICN_ERROR_NONE;
-  int addpfx = -1;
-  ip46_address_t address;
-  u32 strategy_id;
-  u32 plen = 0;
-  fib_prefix_t prefix;
-
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (!unformat_user (main_input, unformat_line_input, line_input))
-    {
-      return (0);
-    }
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "set %d", &strategy_id))
-	{
-	  addpfx = 2;
-	}
-      else if (addpfx != -1
-	       && unformat (line_input, "prefix %U/%d", unformat_ip46_address,
-			    &address, IP46_TYPE_ANY, &plen))
-	{;
-	}
-      else
-	{
-	  cl_err = clib_error_return (0, "%s '%U'",
-				      get_error_string (HICN_ERROR_CLI_INVAL),
-				      format_unformat_error, line_input);
-	  goto done;
-	}
-    }
-
-  fib_prefix_from_ip46_addr (&address, &prefix);
-  prefix.fp_len = plen;
-  /* Check parse */
-  if (hicn_dpo_strategy_id_is_valid (strategy_id) ==
-      HICN_ERROR_DPO_MGR_ID_NOT_VALID)
-    {
-      cl_err = clib_error_return (0, "Please specify a valid strategy...");
-      goto done;
-    }
-
-  rv = hicn_route_set_strategy (&prefix, strategy_id);
-  cl_err =
-    (rv == HICN_ERROR_NONE) ? NULL : clib_error_return (0,
-							get_error_string
-							(rv));
-done:
-
-  return (cl_err);
-}
-
-/*
- * cli handler for 'pgen'
- */
-static clib_error_t *
-hicn_cli_pgen_client_set_command_fn (vlib_main_t * vm,
-				     unformat_input_t * main_input,
-				     vlib_cli_command_t * cmd)
-{
-  hicnpg_main_t *hpgm = &hicnpg_main;
-  ip46_address_t src_addr;
-  fib_prefix_t *prefix = malloc (sizeof (fib_prefix_t));
-  vnet_main_t *vnm = vnet_get_main ();
-  u32 sw_if_index = ~0;
-  u16 lifetime = 4000;
-  int rv = VNET_API_ERROR_UNIMPLEMENTED;
-  u32 max_seq = ~0;
-  u32 n_flows = ~0;
-  u32 n_ifaces = 1;
-
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (unformat_user (main_input, unformat_line_input, line_input))
-    {
-      while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-	{
-	  if (unformat
-	      (line_input, "intfc %U", unformat_vnet_sw_interface, vnm,
-	       &sw_if_index))
-	    {
-	      ;
-	    }
-	  else if (unformat (line_input, "src %U",
-			     unformat_ip46_address, &src_addr))
-	    {
-	      ;
-	    }
-	  else if (unformat (line_input, "n_ifaces %d", &n_ifaces))
-	    {
-	      ;
-	    }
-	  else if (unformat (line_input, "name %U/%d",
-			     unformat_ip46_address, &prefix->fp_addr,
-			     IP46_TYPE_ANY, &prefix->fp_len))
-	    {
-	      ;
-	    }
-	  else if (unformat (line_input, "lifetime %d", &lifetime))
-	    {
-	      ;
-	    }
-	  else if (unformat (line_input, "max_seq %d", &max_seq))
-	    {
-	      ;
-	    }
-	  else if (unformat (line_input, "n_flows %d", &n_flows))
-	    {
-	      ;
-	    }
-	  else
-	    {
-	      return (clib_error_return
-		      (0, "Unknown input '%U'", format_unformat_error,
-		       line_input));
-	      break;
-	    }
-	}
-    }
-  hpgm->interest_lifetime = lifetime;
-
-  if (sw_if_index == ~0)
-    {
-      return (clib_error_return (0, "Packet generator interface missing"));
-    }
-
-  //Remove bits that are out of the subnet
-  if (ip46_address_is_ip4 (&prefix->fp_addr))
-    {
-      ip4_address_t mask;
-      ip4_preflen_to_mask (prefix->fp_len, &mask);
-      prefix->fp_addr.ip4.as_u32 = prefix->fp_addr.ip4.as_u32 & mask.as_u32;
-      prefix->fp_proto = FIB_PROTOCOL_IP4;
-    }
-  else
-    {
-      ip6_address_t mask;
-      ip6_preflen_to_mask (prefix->fp_len, &mask);
-      prefix->fp_addr.ip6.as_u64[0] =
-	prefix->fp_addr.ip6.as_u64[0] & mask.as_u64[0];
-      prefix->fp_addr.ip6.as_u64[1] =
-	prefix->fp_addr.ip6.as_u64[1] & mask.as_u64[1];
-      prefix->fp_proto = FIB_PROTOCOL_IP6;
-    }
-
-  /*
-   * Enable the feature to divert data packet to the hicnpg-data node to count
-   * how many data packets have been received.
-   * Diver all the packets from the packet-generator to the hicn-pg-interest node
-   * to generate valid interests.
-   */
-  if (ip46_address_is_ip4 (&src_addr)
-      && ip46_address_is_ip4 (&prefix->fp_addr))
-    {
-      prefix->fp_proto = FIB_PROTOCOL_IP4;
-
-      vnet_feature_enable_disable ("ip4-unicast", "hicnpg-data",
-				   sw_if_index, 1, 0, 0);
-
-      /* Add pgen_client node to the vpp graph */
-      vlib_node_add_next (vm,
-			  pg_input_node.index, hicn_pg_interest_node.index);
-
-
-      pg_node_t *pn;
-      pn = pg_get_node (hicn_pg_interest_node.index);
-      pn->unformat_edit = unformat_pg_ip4_header;
-
-    }
-  else if (!ip46_address_is_ip4 (&src_addr)
-	   && !ip46_address_is_ip4 (&prefix->fp_addr))
-    {
-      prefix->fp_proto = FIB_PROTOCOL_IP6;
-
-      vnet_feature_enable_disable ("ip6-unicast", "hicnpg-data",
-				   sw_if_index, 1, 0, 0);
-
-      /* Add pgen_client node to the vpp graph */
-      vlib_node_add_next (vm, pg_input_node.index,
-			  hicn_pg_interest_node.index);
-
-      pg_node_t *pn;
-      pn = pg_get_node (hicn_pg_interest_node.index);
-      pn->unformat_edit = unformat_pg_ip6_header;
-    }
-  else
-    {
-      return (clib_error_return
-	      (0,
-	       "pg interface source address, source address and hicn name must be of the same type IPv4 or IPv6"));
-    }
-
-
-  hpgm->pgen_clt_src_addr = src_addr;
-  hpgm->pgen_clt_hicn_name = prefix;
-  hpgm->max_seq_number = max_seq;
-  hpgm->n_flows = n_flows;
-  hpgm->n_ifaces = n_ifaces;
-  hpgm->sw_if = sw_if_index;
-  vlib_cli_output (vm, "ifaces %d", hpgm->n_ifaces);
-  rv = 0;
-
-  switch (rv)
-    {
-    case 0:
-      break;
-
-    case VNET_API_ERROR_UNIMPLEMENTED:
-      return clib_error_return (0, "Unimplemented, NYI");
-      break;
-
-    default:
-      return clib_error_return (0, "hicn enable_disable returned %d", rv);
-    }
-
-  return 0;
-}
-
-/*
- * cli handler for 'pgen'
- */
-static clib_error_t *
-hicn_cli_pgen_server_set_command_fn (vlib_main_t * vm,
-				     unformat_input_t * main_input,
-				     vlib_cli_command_t * cmd)
-{
-  clib_error_t *cl_err;
-  int rv = HICN_ERROR_NONE;
-  hicnpg_server_main_t *pg_main = &hicnpg_server_main;
-  int payload_size = 1440;
-  u32 sw_if_index = ~0;
-  vnet_main_t *vnm = vnet_get_main ();
-  fib_prefix_t *prefix = calloc (1, sizeof (fib_prefix_t));
-
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (unformat_user (main_input, unformat_line_input, line_input))
-    {
-      /* Parse the arguments */
-      while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-	{
-	  if (unformat (line_input, "name %U/%d",
-			unformat_ip46_address, &prefix->fp_addr,
-			IP46_TYPE_ANY, &prefix->fp_len))
-	    {;
-	    }
-	  else if (unformat (line_input, "size %d", &payload_size))
-	    {
-	      if (payload_size > 1440)
-		{
-		  return (clib_error_return (0,
-					     "Payload size must be <= 1440 bytes..."));
-		}
-	    }
-	  else
-	    if (unformat
-		(line_input, "intfc %U", unformat_vnet_sw_interface, vnm,
-		 &sw_if_index))
-	    {
-	      ;
-	    }
-	  else
-	    {
-	      return (clib_error_return
-		      (0, "Unknown input '%U'", format_unformat_error,
-		       line_input));
-	      break;
-	    }
-	}
-    }
-
-  /* Attach our packet-gen node for ip4 udp local traffic */
-  if ((prefix->fp_addr.ip6.as_u64[0] == (u64) 0
-       && prefix->fp_addr.ip6.as_u64[1] == 0) || payload_size == 0
-      || sw_if_index == ~0)
-    {
-      return clib_error_return (0,
-				"Error: must supply local port, payload size and incoming hICN prefix");
-    }
-
-  //Remove bits that are out of the subnet
-  if (ip46_address_is_ip4 (&prefix->fp_addr))
-    {
-      ip4_address_t mask;
-      ip4_preflen_to_mask (prefix->fp_len, &mask);
-      prefix->fp_addr.ip4.as_u32 = prefix->fp_addr.ip4.as_u32 & mask.as_u32;
-      prefix->fp_proto = FIB_PROTOCOL_IP4;
-    }
-  else
-    {
-      ip6_address_t mask;
-      ip6_preflen_to_mask (prefix->fp_len, &mask);
-      prefix->fp_addr.ip6.as_u64[0] =
-	prefix->fp_addr.ip6.as_u64[0] & mask.as_u64[0];
-      prefix->fp_addr.ip6.as_u64[1] =
-	prefix->fp_addr.ip6.as_u64[1] & mask.as_u64[1];
-      prefix->fp_proto = FIB_PROTOCOL_IP6;
-    }
-
-  /* Allocate the buffer with the actual content payload TLV */
-  int n_buf = vlib_buffer_alloc (vm, &pg_main->pgen_svr_buffer_idx, 1);
-
-  if (n_buf == 0)
-    {
-      return (clib_error_return (0, "Impossible to allocate paylod buffer."));
-    }
-
-  vlib_buffer_t *rb = NULL;
-  rb = vlib_get_buffer (vm, pg_main->pgen_svr_buffer_idx);
-
-  pg_main->pgen_srv_hicn_name = prefix;
-
-  /* Initialize the buffer data with zeros */
-  memset (rb->data, 0, payload_size);
-  rb->current_length = payload_size;
-
-  vnet_feature_enable_disable ("ip4-unicast", "hicnpg-server",
-			       sw_if_index, 1, 0, 0);
-  vnet_feature_enable_disable ("ip6-unicast", "hicnpg-server",
-			       sw_if_index, 1, 0, 0);
-
-  switch (rv)
-    {
-    case 0:
-      cl_err = 0;
-      break;
-
-    case VNET_API_ERROR_UNIMPLEMENTED:
-      cl_err = clib_error_return (0, "Unimplemented, NYI");
-      break;
-
-    default:
-      cl_err = clib_error_return (0, "hicn pgen server returned %d", rv);
-    }
-
-  return cl_err;
-}
-
-static clib_error_t *
-hicn_enable_command_fn (vlib_main_t * vm, unformat_input_t * main_input,
-			vlib_cli_command_t * cmd)
-{
-  clib_error_t *cl_err = 0;
-
-  int rv = HICN_ERROR_NONE;
-  fib_prefix_t pfx;
-
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (!unformat_user (main_input, unformat_line_input, line_input))
-    {
-      return (0);
-    }
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "%U/%d",
-		    unformat_ip4_address, &pfx.fp_addr.ip4, &pfx.fp_len))
-	{
-	  pfx.fp_proto = FIB_PROTOCOL_IP4;
-	}
-      else if (unformat (line_input, "%U/%d",
-			 unformat_ip6_address, &pfx.fp_addr.ip6, &pfx.fp_len))
-	{
-	  pfx.fp_proto = FIB_PROTOCOL_IP6;
-	}
-      else
-	{
-	  cl_err = clib_error_return (0, "%s '%U'",
-				      get_error_string (HICN_ERROR_CLI_INVAL),
-				      format_unformat_error, line_input);
-	  goto done;
-	}
-    }
-  rv = hicn_route_enable (&pfx);
-done:
-
-  cl_err =
-    (rv == HICN_ERROR_NONE) ? NULL : clib_error_return (0,
-							get_error_string
-							(rv));
-  return cl_err;
-}
-
-static clib_error_t *
-hicn_disable_command_fn (vlib_main_t * vm, unformat_input_t * main_input,
-			 vlib_cli_command_t * cmd)
-{
-  clib_error_t *cl_err = 0;
-
-  int rv = HICN_ERROR_NONE;
-  fib_prefix_t pfx;
-
-  /* Get a line of input. */
-  unformat_input_t _line_input, *line_input = &_line_input;
-  if (!unformat_user (main_input, unformat_line_input, line_input))
-    {
-      return (0);
-    }
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "%U/%d",
-		    unformat_ip4_address, &pfx.fp_addr.ip4, &pfx.fp_len))
-	{
-	  pfx.fp_proto = FIB_PROTOCOL_IP4;
-	}
-      else if (unformat (line_input, "%U/%d",
-			 unformat_ip6_address, &pfx.fp_addr.ip6, &pfx.fp_len))
-	{
-	  pfx.fp_proto = FIB_PROTOCOL_IP6;
-	}
-      else
-	{
-	  cl_err = clib_error_return (0, "%s '%U'",
-				      get_error_string (HICN_ERROR_CLI_INVAL),
-				      format_unformat_error, line_input);
-	  goto done;
-	}
-    }
-
-  rv = hicn_route_disable (&pfx);
-
-done:
-  cl_err =
-    (rv == HICN_ERROR_NONE) ? NULL : clib_error_return (0,
-							get_error_string
-							(rv));
-  return cl_err;
-}
-
-
-/* cli declaration for 'control start' */
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND(hicn_cli_node_ctl_start_set_command, static)=
-{
-	.path = "hicn control start",
-        .short_help = "hicn control start",
-        .function = hicn_cli_node_ctl_start_set_command_fn,
-};
-
-
-/* cli declaration for 'control stop' */
-VLIB_CLI_COMMAND(hicn_cli_node_ctl_stop_set_command, static)=
-{
-	.path = "hicn control stop",
-        .short_help = "hicn control stop",
-        .function = hicn_cli_node_ctl_stop_set_command_fn,
-};
-
-
-/* cli declaration for 'control param' */
-VLIB_CLI_COMMAND(hicn_cli_node_ctl_param_set_command, static)=
-{
-	.path = "hicn control param",
-        .short_help = "hicn control param { pit { size <entries> | { dfltlife | minlife | maxlife } <seconds> } | fib size <entries> | cs {size <entries> | app <portion to reserved to app>} }\n",
-        .function = hicn_cli_node_ctl_param_set_command_fn,
-};
-
-/* cli declaration for 'control' (root path of multiple commands, for help) */
-VLIB_CLI_COMMAND(hicn_cli_node_ctl_command, static)=
-{
-	.path = "hicn control",
-        .short_help = "hicn control"
-};
-
-/* cli declaration for 'fib' */
-VLIB_CLI_COMMAND(hicn_cli_strategy_set_command, static)=
-  {
-   .path = "hicn strategy",
-   .short_help = "hicn strategy set <strategy_id> prefix <prefix>",
-   .function = hicn_cli_strategy_set_command_fn,
-  };
-
-/* cli declaration for 'show' */
-VLIB_CLI_COMMAND(hicn_cli_show_command, static)=
-{
-	.path = "hicn show",
-        .short_help = "hicn show "
-        "[internal]"
-        "[strategies]",
-        .function = hicn_cli_show_command_fn,
-};
-
-/* cli declaration for 'hicn pgen client' */
-VLIB_CLI_COMMAND(hicn_cli_pgen_client_set_command, static)=
-{
-	.path = "hicn pgen client",
-        .short_help = "hicn pgen client src <src_addr> name <prefix> { n_ifaces <n_ifaces> lifetime <interest-lifetime> intfc <data in-interface> max_seq <max sequence number> n_flows <number of flows>}",
-        .long_help = "Run hicn in packet-gen client mode\n",
-        .function = hicn_cli_pgen_client_set_command_fn,
-};
-
-/* cli declaration for 'hicn pgen client' */
-VLIB_CLI_COMMAND(hicn_cli_pgen_server_set_command, static)=
-{
-	.path = "hicn pgen server",
-        .short_help = "hicn pgen server name <prefix> intfc <interest in-interface> size <payload_size>",
-        .long_help = "Run hicn in packet-gen server mode\n",
-        .function = hicn_cli_pgen_server_set_command_fn,
-};
-
-/* cli declaration for 'hicn pgen client' */
-VLIB_CLI_COMMAND(hicn_enable_command, static)=
-  {
-   .path = "hicn enable",
-   .short_help = "hicn enable <prefix>",
-   .long_help = "Enable hicn for the give prefix\n",
-   .function = hicn_enable_command_fn,
-  };
-
-/* cli declaration for 'hicn pgen client' */
-VLIB_CLI_COMMAND(hicn_disable_command, static)=
-  {
-   .path = "hicn disable",
-   .short_help = "hicn disable <prefix>",
-   .long_help = "Disable hicn for the give prefix\n",
-   .function = hicn_disable_command_fn,
-  };
-
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */