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authorJohn DeNisco <jdenisco@cisco.com>2019-10-29 10:40:09 -0400
committerJohn DeNisco <jdenisco@cisco.com>2019-10-29 10:41:30 -0400
commit73f725c63c4924b29ebd54a78208b93114183d06 (patch)
treeebe560153725778131809fdaf319945737dc286e /docs
parentd743dffcd0e423d796612119baa86b4c17641b98 (diff)
docs: Fix warning with sphinx build, add script to publish docs
Signed-off-by: John DeNisco <jdenisco@cisco.com> Change-Id: Ic17585bcb4196e5b0661104745f67d6a02ab6b3d
Diffstat (limited to 'docs')
-rw-r--r--docs/reference/cmdreference/interface/create_interface.rst2
-rwxr-xr-xdocs/scripts/publish-docs.sh72
2 files changed, 73 insertions, 1 deletions
diff --git a/docs/reference/cmdreference/interface/create_interface.rst b/docs/reference/cmdreference/interface/create_interface.rst
index 9aeae33e98b..fa50c6a626c 100644
--- a/docs/reference/cmdreference/interface/create_interface.rst
+++ b/docs/reference/cmdreference/interface/create_interface.rst
@@ -134,7 +134,7 @@ This command has several variations:
range of subinterfaces to handle a range of VLAN IDs.
- **create sub-interfaces** <*interface*> <*subId*> dot1q|dot1ad <*vlanId*>|any
[exact-match] - Use this command to explicitly specify the outer VLAN ID,
- or to make the VLAN ID different from the *subId*.
+ or to make the VLAN ID different from the *subId*.
- **create sub-interfaces** <*interface*> <*subId*> dot1q|dot1ad <*vlanId*>|any
inner-dot1q <*vlanId*>|any [exact-match] - Use this command to
specify the outer VLAN ID and the inner VLAN ID.
diff --git a/docs/scripts/publish-docs.sh b/docs/scripts/publish-docs.sh
new file mode 100755
index 00000000000..0a81dc07212
--- /dev/null
+++ b/docs/scripts/publish-docs.sh
@@ -0,0 +1,72 @@
+#!/bin/bash -ex
+
+# publish-docs.sh
+#
+# This sccript is used to publish the VPP User documents to
+# the FD.io Site.
+#
+# Arguments:
+#
+# $1: The main site repo user name
+# $2: The release branch name for example 1908, 1904 etc.
+
+# Some basic checks
+if [ ! -d "docs" ]; then
+ echo "This script is meant to be run from the root directory."
+ exit 1;
+fi
+
+if [ "$#" -ne 2 ]; then
+ echo "Please specify the site username and branch."
+ exit 1;
+fi
+
+# Get the workspace root
+WS_ROOT=$PWD
+
+# Get the VPP branch and username
+SITE_USERNAME=$1
+VPP_BRANCH=$2
+
+#Build the docs
+make docs-venv
+make docs
+
+# Clone the site repo
+rm -fr site
+git clone ssh://git@github.com/$SITE_USERNAME/site
+cd site
+git submodule update --init --recursive
+git remote add upstream ssh://git@github.com/FDio/site
+git remote -v
+git fetch upstream
+git merge -m "Publish the Docs" upstream/master
+
+# Get the version
+VERSION=`source $WS_ROOT/src/scripts/version`
+VERSION=${VERSION/"~"/"-"}
+
+# Create a branch for the commit
+git checkout -b $VERSION
+git branch
+
+# Copy the files to the appropriate directory
+SRC_DIR=../docs/_build/html/.
+if [ "$VPP_BRANCH" == "master" ]
+then
+ TARGET_DIR=./static/docs/vpp/master
+ rm -fr ./static/docs/vpp/master
+else
+ TARGET_DIR=./static/docs/vpp/v$VPP_BRANCH
+ rm -fr ./static/docs/vpp/$TARGET_DIR
+ mkdir -p ./static/docs/vpp/$TARGET_DIR
+fi
+
+cp -r $SRC_DIR $TARGET_DIR
+
+# Push the new docs
+git add "*"
+git commit -s -m "Publish docs from VPP $VERSION"
+git push origin "$VERSION"
+
+exit 0
ref='#n295'>295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574
/*
 * sr_steering.c: ipv6 segment routing steering into SR policy
 *
 * 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.
 */

/**
 * @file
 * @brief Packet steering into SR Policies
 *
 * This file is in charge of handling the FIB appropiatly to steer packets
 * through SR Policies as defined in 'sr_policy_rewrite.c'. Notice that here
 * we are only doing steering. SR policy application is done in
 * sr_policy_rewrite.c
 *
 * Supports:
 *  - Steering of IPv6 traffic Destination Address based
 *  - Steering of IPv4 traffic Destination Address based
 *  - Steering of L2 frames, interface based (sw interface)
 */

#include <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vnet/srv6/sr.h>
#include <vnet/ip/ip.h>
#include <vnet/srv6/sr_packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/dpo/dpo.h>

#include <vppinfra/error.h>
#include <vppinfra/elog.h>

/**
 * @brief Steer traffic L2 and L3 traffic through a given SR policy
 *
 * @param is_del
 * @param bsid is the bindingSID of the SR Policy (alt to sr_policy_index)
 * @param sr_policy is the index of the SR Policy (alt to bsid)
 * @param table_id is the VRF where to install the FIB entry for the BSID
 * @param prefix is the IPv4/v6 address for L3 traffic type
 * @param mask_width is the mask for L3 traffic type
 * @param sw_if_index is the incoming interface for L2 traffic
 * @param traffic_type describes the type of traffic
 *
 * @return 0 if correct, else error
 */
int
sr_steering_policy (int is_del, ip6_address_t * bsid, u32 sr_policy_index,
		    u32 table_id, ip46_address_t * prefix, u32 mask_width,
		    u32 sw_if_index, u8 traffic_type)
{
  ip6_sr_main_t *sm = &sr_main;
  sr_steering_key_t key;
  ip6_sr_steering_policy_t *steer_pl;
  fib_prefix_t pfx = { 0 };

  ip6_sr_policy_t *sr_policy = 0;
  uword *p = 0;

  clib_memset (&key, 0, sizeof (sr_steering_key_t));

  /* Compute the steer policy key */
  if (traffic_type == SR_STEER_IPV4 || traffic_type == SR_STEER_IPV6)
    {
      key.l3.prefix.as_u64[0] = prefix->as_u64[0];
      key.l3.prefix.as_u64[1] = prefix->as_u64[1];
      key.l3.mask_width = mask_width;
      key.l3.fib_table = (table_id != (u32) ~ 0 ? table_id : 0);
    }
  else if (traffic_type == SR_STEER_L2)
    {
      key.l2.sw_if_index = sw_if_index;

      /* Sanitise the SW_IF_INDEX */
      if (pool_is_free_index (sm->vnet_main->interface_main.sw_interfaces,
			      sw_if_index))
	return -3;

      vnet_sw_interface_t *sw =
	vnet_get_sw_interface (sm->vnet_main, sw_if_index);
      if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
	return -3;
    }
  else
    return -1;

  key.traffic_type = traffic_type;

  /* Search for the item */
  p = mhash_get (&sm->sr_steer_policies_hash, &key);

  if (p)
    {
      /* Retrieve Steer Policy function */
      steer_pl = pool_elt_at_index (sm->steer_policies, p[0]);

      if (is_del)
	{
	  if (steer_pl->classify.traffic_type == SR_STEER_IPV6)
	    {
	      /* Remove FIB entry */
	      pfx.fp_proto = FIB_PROTOCOL_IP6;
	      pfx.fp_len = steer_pl->classify.l3.mask_width;
	      pfx.fp_addr.ip6 = steer_pl->classify.l3.prefix.ip6;

	      fib_table_entry_delete (fib_table_find
				      (FIB_PROTOCOL_IP6,
				       steer_pl->classify.l3.fib_table),
				      &pfx, FIB_SOURCE_SR);
	    }
	  else if (steer_pl->classify.traffic_type == SR_STEER_IPV4)
	    {
	      /* Remove FIB entry */
	      pfx.fp_proto = FIB_PROTOCOL_IP4;
	      pfx.fp_len = steer_pl->classify.l3.mask_width;
	      pfx.fp_addr.ip4 = steer_pl->classify.l3.prefix.ip4;

	      fib_table_entry_delete (fib_table_find
				      (FIB_PROTOCOL_IP4,
				       steer_pl->classify.l3.fib_table), &pfx,
				      FIB_SOURCE_SR);
	    }
	  else if (steer_pl->classify.traffic_type == SR_STEER_L2)
	    {
	      /* Remove HW redirection */
	      vnet_feature_enable_disable ("device-input",
					   "sr-policy-rewrite-encaps-l2",
					   sw_if_index, 0, 0, 0);
	      sm->sw_iface_sr_policies[sw_if_index] = ~(u32) 0;

	      /* Remove promiscous mode from interface */
	      vnet_main_t *vnm = vnet_get_main ();
	      ethernet_main_t *em = &ethernet_main;
	      ethernet_interface_t *eif =
		ethernet_get_interface (em, sw_if_index);

	      if (!eif)
		goto cleanup_error_redirection;

	      ethernet_set_flags (vnm, sw_if_index, 0);
	    }

	  /* Delete SR steering policy entry */
	  pool_put (sm->steer_policies, steer_pl);
	  mhash_unset (&sm->sr_steer_policies_hash, &key, NULL);

	  /* If no more SR policies or steering policies */
	  if (!pool_elts (sm->sr_policies) && !pool_elts (sm->steer_policies))
	    {
	      fib_table_unlock (sm->fib_table_ip6,
				FIB_PROTOCOL_IP6, FIB_SOURCE_SR);
	      fib_table_unlock (sm->fib_table_ip4,
				FIB_PROTOCOL_IP6, FIB_SOURCE_SR);
	      sm->fib_table_ip6 = (u32) ~ 0;
	      sm->fib_table_ip4 = (u32) ~ 0;
	    }

	  return 0;
	}
      else			/* It means user requested to update an existing SR steering policy */
	{
	  /* Retrieve SR steering policy */
	  if (bsid)
	    {
	      p = mhash_get (&sm->sr_policies_index_hash, bsid);
	      if (p)
		sr_policy = pool_elt_at_index (sm->sr_policies, p[0]);
	      else
		return -2;
	    }
	  else
	    sr_policy = pool_elt_at_index (sm->sr_policies, sr_policy_index);

	  if (!sr_policy)
	    return -2;

	  steer_pl->sr_policy = sr_policy - sm->sr_policies;

	  /* Remove old FIB/hw redirection and create a new one */
	  if (steer_pl->classify.traffic_type == SR_STEER_IPV6)
	    {
	      /* Remove FIB entry */
	      pfx.fp_proto = FIB_PROTOCOL_IP6;
	      pfx.fp_len = steer_pl->classify.l3.mask_width;
	      pfx.fp_addr.ip6 = steer_pl->classify.l3.prefix.ip6;

	      fib_table_entry_delete (fib_table_find
				      (FIB_PROTOCOL_IP6,
				       steer_pl->classify.l3.fib_table),
				      &pfx, FIB_SOURCE_SR);

	      /* Create a new one */
	      goto update_fib;
	    }
	  else if (steer_pl->classify.traffic_type == SR_STEER_IPV4)
	    {
	      /* Remove FIB entry */
	      pfx.fp_proto = FIB_PROTOCOL_IP4;
	      pfx.fp_len = steer_pl->classify.l3.mask_width;
	      pfx.fp_addr.ip4 = steer_pl->classify.l3.prefix.ip4;

	      fib_table_entry_delete (fib_table_find
				      (FIB_PROTOCOL_IP4,
				       steer_pl->classify.l3.fib_table),
				      &pfx, FIB_SOURCE_SR);

	      /* Create a new one */
	      goto update_fib;
	    }
	  else if (steer_pl->classify.traffic_type == SR_STEER_L2)
	    {
	      /* Update L2-HW redirection */
	      goto update_fib;
	    }
	}
    }
  else
    /* delete; steering policy does not exist; complain */
  if (is_del)
    return -4;

  /* Retrieve SR policy */
  if (bsid)
    {
      p = mhash_get (&sm->sr_policies_index_hash, bsid);
      if (p)
	sr_policy = pool_elt_at_index (sm->sr_policies, p[0]);
      else
	return -2;
    }
  else
    sr_policy = pool_elt_at_index (sm->sr_policies, sr_policy_index);

  /* Create a new steering policy */
  pool_get (sm->steer_policies, steer_pl);
  clib_memset (steer_pl, 0, sizeof (*steer_pl));

  if (traffic_type == SR_STEER_IPV4 || traffic_type == SR_STEER_IPV6)
    {
      clib_memcpy_fast (&steer_pl->classify.l3.prefix, prefix,
			sizeof (ip46_address_t));
      steer_pl->classify.l3.mask_width = mask_width;
      steer_pl->classify.l3.fib_table =
	(table_id != (u32) ~ 0 ? table_id : 0);
      steer_pl->classify.traffic_type = traffic_type;
    }
  else if (traffic_type == SR_STEER_L2)
    {
      steer_pl->classify.l2.sw_if_index = sw_if_index;
      steer_pl->classify.traffic_type = traffic_type;
    }
  else
    {
      /* Incorrect API usage. Should never get here */
      pool_put (sm->steer_policies, steer_pl);
      mhash_unset (&sm->sr_steer_policies_hash, &key, NULL);
      return -1;
    }
  steer_pl->sr_policy = sr_policy - sm->sr_policies;

  /* Create and store key */
  mhash_set (&sm->sr_steer_policies_hash, &key, steer_pl - sm->steer_policies,
	     NULL);

  if (traffic_type == SR_STEER_L2)
    {
      if (!sr_policy->is_encap)
	goto cleanup_error_encap;

      if (vnet_feature_enable_disable
	  ("device-input", "sr-pl-rewrite-encaps-l2", sw_if_index, 1, 0, 0))
	goto cleanup_error_redirection;

      /* Set promiscous mode on interface */
      vnet_main_t *vnm = vnet_get_main ();
      ethernet_main_t *em = &ethernet_main;
      ethernet_interface_t *eif = ethernet_get_interface (em, sw_if_index);

      if (!eif)
	goto cleanup_error_redirection;

      ethernet_set_flags (vnm, sw_if_index,
			  ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
    }
  else if (traffic_type == SR_STEER_IPV4)
    if (!sr_policy->is_encap)
      goto cleanup_error_encap;

update_fib:
  /* FIB API calls - Recursive route through the BindingSID */
  if (traffic_type == SR_STEER_IPV6)
    {
      pfx.fp_proto = FIB_PROTOCOL_IP6;
      pfx.fp_len = steer_pl->classify.l3.mask_width;
      pfx.fp_addr.ip6 = steer_pl->classify.l3.prefix.ip6;

      fib_table_entry_path_add (fib_table_find (FIB_PROTOCOL_IP6,
						(table_id !=
						 (u32) ~ 0 ?
						 table_id : 0)),
				&pfx, FIB_SOURCE_SR,
				FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT,
				DPO_PROTO_IP6,
				(ip46_address_t *) & sr_policy->bsid, ~0,
				sm->fib_table_ip6, 1, NULL,
				FIB_ROUTE_PATH_FLAG_NONE);
    }
  else if (traffic_type == SR_STEER_IPV4)
    {
      pfx.fp_proto = FIB_PROTOCOL_IP4;
      pfx.fp_len = steer_pl->classify.l3.mask_width;
      pfx.fp_addr.ip4 = steer_pl->classify.l3.prefix.ip4;

      fib_table_entry_path_add (fib_table_find (FIB_PROTOCOL_IP4,
						(table_id !=
						 (u32) ~ 0 ?
						 table_id : 0)),
				&pfx, FIB_SOURCE_SR,
				FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT,
				DPO_PROTO_IP6,
				(ip46_address_t *) & sr_policy->bsid, ~0,
				sm->fib_table_ip4, 1, NULL,
				FIB_ROUTE_PATH_FLAG_NONE);
    }
  else if (traffic_type == SR_STEER_L2)
    {
      if (sw_if_index < vec_len (sm->sw_iface_sr_policies))
	sm->sw_iface_sr_policies[sw_if_index] = steer_pl->sr_policy;
      else
	{
	  vec_resize (sm->sw_iface_sr_policies,
		      (pool_len (sm->vnet_main->interface_main.sw_interfaces)
		       - vec_len (sm->sw_iface_sr_policies)));
	  sm->sw_iface_sr_policies[sw_if_index] = steer_pl->sr_policy;
	}
    }

  return 0;

cleanup_error_encap:
  pool_put (sm->steer_policies, steer_pl);
  mhash_unset (&sm->sr_steer_policies_hash, &key, NULL);
  return -5;

cleanup_error_redirection:
  pool_put (sm->steer_policies, steer_pl);
  mhash_unset (&sm->sr_steer_policies_hash, &key, NULL);
  return -3;
}

static clib_error_t *
sr_steer_policy_command_fn (vlib_main_t * vm, unformat_input_t * input,
			    vlib_cli_command_t * cmd)
{
  vnet_main_t *vnm = vnet_get_main ();

  int is_del = 0;

  ip46_address_t prefix;
  u32 dst_mask_width = 0;
  u32 sw_if_index = (u32) ~ 0;
  u8 traffic_type = 0;
  u32 fib_table = (u32) ~ 0;

  ip6_address_t bsid;
  u32 sr_policy_index = (u32) ~ 0;

  u8 sr_policy_set = 0;

  clib_memset (&prefix, 0, sizeof (ip46_address_t));

  int rv;
  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "del"))
	is_del = 1;
      else if (!traffic_type
	       && unformat (input, "l3 %U/%d", unformat_ip6_address,
			    &prefix.ip6, &dst_mask_width))
	traffic_type = SR_STEER_IPV6;
      else if (!traffic_type
	       && unformat (input, "l3 %U/%d", unformat_ip4_address,
			    &prefix.ip4, &dst_mask_width))
	traffic_type = SR_STEER_IPV4;
      else if (!traffic_type
	       && unformat (input, "l2 %U", unformat_vnet_sw_interface, vnm,
			    &sw_if_index))
	traffic_type = SR_STEER_L2;
      else if (!sr_policy_set
	       && unformat (input, "via index %d", &sr_policy_index))
	sr_policy_set = 1;
      else if (!sr_policy_set
	       && unformat (input, "via bsid %U",
			    unformat_ip6_address, &bsid))
	sr_policy_set = 1;
      else if (fib_table == (u32) ~ 0
	       && unformat (input, "fib-table %d", &fib_table));
      else
	break;
    }

  if (!traffic_type)
    return clib_error_return (0, "No L2/L3 traffic specified");
  if (!sr_policy_set)
    return clib_error_return (0, "No SR policy specified");

  /* Make sure that the prefixes are clean */
  if (traffic_type == SR_STEER_IPV4)
    {
      u32 mask =
	(dst_mask_width ? (0xFFFFFFFFu >> (32 - dst_mask_width)) : 0);
      prefix.ip4.as_u32 &= mask;
    }
  else if (traffic_type == SR_STEER_IPV6)
    {
      ip6_address_t mask;
      ip6_address_mask_from_width (&mask, dst_mask_width);
      ip6_address_mask (&prefix.ip6, &mask);
    }

  rv =
    sr_steering_policy (is_del, (sr_policy_index == ~(u32) 0 ? &bsid : NULL),
			sr_policy_index, fib_table, &prefix, dst_mask_width,
			sw_if_index, traffic_type);

  switch (rv)
    {
    case 0:
      break;
    case 1:
      return 0;
    case -1:
      return clib_error_return (0, "Incorrect API usage.");
    case -2:
      return clib_error_return (0,
				"The requested SR policy could not be located. Review the BSID/index.");
    case -3:
      return clib_error_return (0,
				"Unable to do SW redirect. Incorrect interface.");
    case -4:
      return clib_error_return (0,
				"The requested SR steering policy could not be deleted.");
    case -5:
      return clib_error_return (0,
				"The SR policy is not an encapsulation one.");
    default:
      return clib_error_return (0, "BUG: sr steer policy returns %d", rv);
    }
  return 0;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (sr_steer_policy_command, static) = {
  .path = "sr steer",
  .short_help = "sr steer (del) [l3 <ip_addr/mask>|l2 <sf_if>] "
    "via [index <sr_policy_index>|bsid <bsid_ip6_addr>] "
    "(fib-table <fib_table_index>)",
  .long_help =
    "\tSteer a L2 or L3 traffic through an existing SR policy.\n"
    "\tExamples:\n"
    "\t\tsr steer l3 2001::/64 via sr_policy index 5\n"
    "\t\tsr steer l3 2001::/64 via sr_policy bsid 2010::9999:1\n"
    "\t\tsr steer l2 GigabitEthernet0/5/0 via sr_policy index 5\n"
    "\t\tsr steer del l3 2001::/64 via sr_policy index 5\n",
  .function = sr_steer_policy_command_fn,
};
/* *INDENT-ON* */

static clib_error_t *
show_sr_steering_policies_command_fn (vlib_main_t * vm,
				      unformat_input_t * input,
				      vlib_cli_command_t * cmd)
{
  ip6_sr_main_t *sm = &sr_main;
  ip6_sr_steering_policy_t **steer_policies = 0;
  ip6_sr_steering_policy_t *steer_pl;

  vnet_main_t *vnm = vnet_get_main ();

  ip6_sr_policy_t *pl = 0;
  int i;

  vlib_cli_output (vm, "SR steering policies:");
  /* *INDENT-OFF* */
  pool_foreach (steer_pl, sm->steer_policies, ({vec_add1(steer_policies, steer_pl);}));
  /* *INDENT-ON* */
  vlib_cli_output (vm, "Traffic\t\tSR policy BSID");
  for (i = 0; i < vec_len (steer_policies); i++)
    {
      steer_pl = steer_policies[i];
      pl = pool_elt_at_index (sm->sr_policies, steer_pl->sr_policy);
      if (steer_pl->classify.traffic_type == SR_STEER_L2)
	{
	  vlib_cli_output (vm, "L2 %U\t%U",
			   format_vnet_sw_if_index_name, vnm,
			   steer_pl->classify.l2.sw_if_index,
			   format_ip6_address, &pl->bsid);
	}
      else if (steer_pl->classify.traffic_type == SR_STEER_IPV4)
	{
	  vlib_cli_output (vm, "L3 %U/%d\t%U",
			   format_ip4_address,
			   &steer_pl->classify.l3.prefix.ip4,
			   steer_pl->classify.l3.mask_width,
			   format_ip6_address, &pl->bsid);
	}
      else if (steer_pl->classify.traffic_type == SR_STEER_IPV6)
	{
	  vlib_cli_output (vm, "L3 %U/%d\t%U",
			   format_ip6_address,
			   &steer_pl->classify.l3.prefix.ip6,
			   steer_pl->classify.l3.mask_width,
			   format_ip6_address, &pl->bsid);
	}
    }
  return 0;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_sr_steering_policies_command, static) = {
  .path = "show sr steering-policies",
  .short_help = "show sr steering-policies",
  .function = show_sr_steering_policies_command_fn,
};
/* *INDENT-ON* */

clib_error_t *
sr_steering_init (vlib_main_t * vm)
{
  ip6_sr_main_t *sm = &sr_main;

  /* Init memory for function keys */
  mhash_init (&sm->sr_steer_policies_hash, sizeof (uword),
	      sizeof (sr_steering_key_t));

  sm->sw_iface_sr_policies = 0;

  sm->vnet_main = vnet_get_main ();

  return 0;
}

/* *INDENT-OFF* */
VLIB_INIT_FUNCTION (sr_steering_init);
/* *INDENT-ON* */

/* *INDENT-OFF* */
VNET_FEATURE_INIT (sr_pl_rewrite_encaps_l2, static) =
{
  .arc_name = "device-input",
  .node_name = "sr-pl-rewrite-encaps-l2",
  .runs_before = VNET_FEATURES ("ethernet-input"),
};
/* *INDENT-ON* */

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