summaryrefslogtreecommitdiffstats
path: root/src/tools/g2/pointsel.c
diff options
context:
space:
mode:
authorDave Barach <dave@barachs.net>2020-08-05 16:12:35 -0400
committerFlorin Coras <florin.coras@gmail.com>2020-08-05 22:08:42 +0000
commit586462fabcc913a5a4fa9115d4b5caf33dfdb347 (patch)
tree60bc0ce674f8ffbf61b74deabc6620fbd6c2ef7c /src/tools/g2/pointsel.c
parent0edfb1a06ed093c5ed82be34b42b8cacc3ac0ff8 (diff)
interface: add pcap trace data preallocation
Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I2e53fa85a0b4082666f57a3a58a09c04ae2001b5
Diffstat (limited to 'src/tools/g2/pointsel.c')
0 files changed, 0 insertions, 0 deletions
/a> 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248
/*
 * Copyright (c) 2016 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.
 */
/*
 *------------------------------------------------------------------
 * ioam_export.c - ioam export API / debug CLI handling
 *------------------------------------------------------------------
 */

#include <vnet/vnet.h>
#include <vnet/plugin/plugin.h>
#include <ioam/export-common/ioam_export.h>

#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vnet/ip/ip6_hop_by_hop.h>


/* define message IDs */
#include <ioam/export/ioam_export_msg_enum.h>

/* define message structures */
#define vl_typedefs
#include <ioam/export/ioam_export_all_api_h.h>
#undef vl_typedefs

/* define generated endian-swappers */
#define vl_endianfun
#include <ioam/export/ioam_export_all_api_h.h>
#undef vl_endianfun

/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <ioam/export/ioam_export_all_api_h.h>
#undef vl_printfun

/* Get the API version number */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <ioam/export/ioam_export_all_api_h.h>
#undef vl_api_version

#define REPLY_MSG_ID_BASE sm->msg_id_base
#include <vlibapi/api_helper_macros.h>

/* List of message types that this plugin understands */
#define foreach_ioam_export_plugin_api_msg                        \
_(IOAM_EXPORT_IP6_ENABLE_DISABLE, ioam_export_ip6_enable_disable)

ioam_export_main_t ioam_export_main;

extern vlib_node_registration_t export_node;

/* Action function shared between message handler and debug CLI */

int
ioam_export_ip6_enable_disable (ioam_export_main_t * em,
				u8 is_disable,
				ip4_address_t * collector_address,
				ip4_address_t * src_address)
{
  vlib_main_t *vm = em->vlib_main;

  if (is_disable == 0)
    {
      if (1 == ioam_export_header_create (em, collector_address, src_address))
	{
	  ioam_export_thread_buffer_init (em, vm);
	  ip6_hbh_set_next_override (em->my_hbh_slot);
	  /* Turn on the export buffer check process */
	  vlib_process_signal_event (vm, em->export_process_node_index, 1, 0);

	}
      else
	{
	  return (-2);
	}
    }
  else
    {
      ip6_hbh_set_next_override (IP6_LOOKUP_NEXT_POP_HOP_BY_HOP);
      ioam_export_header_cleanup (em, collector_address, src_address);
      ioam_export_thread_buffer_free (em);
      /* Turn off the export buffer check process */
      vlib_process_signal_event (vm, em->export_process_node_index, 2, 0);

    }

  return 0;
}

/* API message handler */
static void vl_api_ioam_export_ip6_enable_disable_t_handler
  (vl_api_ioam_export_ip6_enable_disable_t * mp)
{
  vl_api_ioam_export_ip6_enable_disable_reply_t *rmp;
  ioam_export_main_t *sm = &ioam_export_main;
  int rv;

  rv = ioam_export_ip6_enable_disable (sm, (int) (mp->is_disable),
				       (ip4_address_t *)
				       mp->collector_address,
				       (ip4_address_t *) mp->src_address);

  REPLY_MACRO (VL_API_IOAM_EXPORT_IP6_ENABLE_DISABLE_REPLY);
}

/* Set up the API message handling tables */
static clib_error_t *
ioam_export_plugin_api_hookup (vlib_main_t * vm)
{
  ioam_export_main_t *sm = &ioam_export_main;
#define _(N,n)                                                  \
    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
                           #n,					\
                           vl_api_##n##_t_handler,              \
                           vl_noop_handler,                     \
                           vl_api_##n##_t_endian,               \
                           vl_api_##n##_t_print,                \
                           sizeof(vl_api_##n##_t), 1);
  foreach_ioam_export_plugin_api_msg;
#undef _

  return 0;
}

#define vl_msg_name_crc_list
#include <ioam/export/ioam_export_all_api_h.h>
#undef vl_msg_name_crc_list

static void
setup_message_id_table (ioam_export_main_t * sm, api_main_t * am)
{
#define _(id,n,crc) \
  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
  foreach_vl_msg_name_crc_ioam_export;
#undef _
}

static clib_error_t *
set_ioam_export_ipfix_command_fn (vlib_main_t * vm,
				  unformat_input_t * input,
				  vlib_cli_command_t * cmd)
{
  ioam_export_main_t *em = &ioam_export_main;
  ip4_address_t collector, src;
  u8 is_disable = 0;

  collector.as_u32 = 0;
  src.as_u32 = 0;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "collector %U", unformat_ip4_address, &collector))
	;
      else if (unformat (input, "src %U", unformat_ip4_address, &src))
	;
      else if (unformat (input, "disable"))
	is_disable = 1;
      else
	break;
    }

  if (collector.as_u32 == 0)
    return clib_error_return (0, "collector address required");

  if (src.as_u32 == 0)
    return clib_error_return (0, "src address required");

  em->ipfix_collector.as_u32 = collector.as_u32;
  em->src_address.as_u32 = src.as_u32;

  vlib_cli_output (vm, "Collector %U, src address %U",
		   format_ip4_address, &em->ipfix_collector,
		   format_ip4_address, &em->src_address);

  /* Turn on the export timer process */
  // vlib_process_signal_event (vm, flow_report_process_node.index,
  //1, 0);
  ioam_export_ip6_enable_disable (em, is_disable, &collector, &src);

  return 0;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_ipfix_command, static) =
{
.path = "set ioam export ipfix",.short_help =
    "set ioam export ipfix collector <ip4-address> src <ip4-address>",.
    function = set_ioam_export_ipfix_command_fn,};
/* *INDENT-ON* */


static clib_error_t *
ioam_export_init (vlib_main_t * vm)
{
  ioam_export_main_t *em = &ioam_export_main;
  clib_error_t *error = 0;
  u8 *name;
  u32 node_index = export_node.index;
  vlib_node_t *ip6_hbyh_node = NULL;

  em->vlib_main = vm;
  em->vnet_main = vnet_get_main ();
  em->set_id = IPFIX_IOAM_EXPORT_ID;
  ioam_export_reset_next_node (em);

  name = format (0, "ioam_export_%08x%c", api_version, 0);

  /* Ask for a correctly-sized block of API message decode slots */
  em->msg_id_base = vl_msg_api_get_msg_ids
    ((char *) name, VL_MSG_FIRST_AVAILABLE);
  em->unix_time_0 = (u32) time (0);	/* Store starting time */
  em->vlib_time_0 = vlib_time_now (vm);

  error = ioam_export_plugin_api_hookup (vm);

  /* Add our API messages to the global name_crc hash table */
  setup_message_id_table (em, &api_main);

  /* Hook this export node to ip6-hop-by-hop */
  ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
  em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
  vec_free (name);

  return error;
}

VLIB_INIT_FUNCTION (ioam_export_init);

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */