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Descriptions of section entries:

	M: Maintainer Full name and E-mail address: Full Name <address@domain>
	   One maintainer per line.  Multiple M: lines acceptable.
	F: Files and directories with wildcard patterns.
	   A trailing slash includes all files and subdirectory files.
	   F:	drivers/net/	all files in and below drivers/net
	   F:	drivers/net/*	all files in drivers/net, but not below
	   One pattern per line.  Multiple F: lines acceptable.
	C: Single line comment related to current section.

		-----------------------------------

Build System
M:	Damjan Marion <damarion@cisco.com>
F:	Makefile
F:	src/*.ac
F:	src/*.am
F:	src/*.mk
F:	src/m4/

Build System Internal
M:	Dave Barach <dave@barachs.net>
F:	build-root/Makefile
F:	build-data/*

Doxygen
M:	Chris Luke <chrisy@flirble.org>
F:	doxygen/

DPDK Development Packaging
M:	Damjan Marion <damarion@cisco.com>
F:	dpdk/
F:	dpdk/*

Infrastructure Library
M:	Dave Barach <dave@barachs.net>
F:	src/vppinfra/

VLIB Library
M:	Dave Barach <dave@barachs.net>
M:	Damjan Marion <damarion@cisco.com>
F:	src/vlib/

VLIB API Libraries
M:	Dave Barach <dave@barachs.net>
F:	src/vlibapi/
F:	src/vlibmemory/
F:	src/vlibsocket/

VNET Bidirectonal Forwarding Detection (BFD)
M:	Klement Sekera <ksekera@cisco.com>
F:	src/vnet/bfd/

VNET Device Drivers
M:	Damjan Marion <damarion@cisco.com>
F:	src/vnet/devices/

VNET Device Drivers - DPDK Crypto
M:	Sergio Gonzales Monroy <sergio.gonzalez.monroy@intel.com>
F:	src/devices/dpdk/ipsec/

VNET Feature Arcs
M:	Dave Barach <dave@barachs.net>
M:	Damjan Marion <damarion@cisco.com>
F:	src/vnet/feature/

VNET FIB
M:	Neale Ranns <nranns@cisco.com>
F:	src/vnet/fib/
F:	src/vnet/mfib/
F:	src/vnet/dpo
F:	src/vnet/adj

VNET IPv4 and IPv6 LPM
M:	Dave Barach <dave@barachs.net>
F:	src/vnet/ip/

VNET IPv6 Segment Routing
M:	Pablo Camarillo <pcamaril@cisco.com>
F:	src/vnet/sr/

VNET IPSec
M:	Sergio Gonzales Monroy <sergio.gonzalez.monroy@intel.com>
M:	Matus Fabian <matfabia@cisco.com>
F:	src/vnet/ipsec/

VNET L2
M:	John Lo <loj@cisco.com>
F:	src/vnet/l2/

VNET Link Layer Discovery Protocol (LLDP)
M:	Klement Sekera <ksekera@cisco.com>
F:	src/vnet/lldp/

VNET LISP
M:	Florin Coras <fcoras@cisco.com>
F:	src/vnet/lisp-cp/
F:	src/vnet/lisp-gpe/

VNET MAP
M:	Ole Troan <ot@cisco.com>
F:	src/vnet/map

VNET MPLS
M:	Neale Ranns <nranns@cisco.com>
F:	src/vnet/mpls/

VNET VXLAN
M:	John Lo <loj@cisco.com>
F:	src/vnet/vxlan/

Plugin - flowperpkt
M:	Dave Barach <dave@barachs.net>
F:	src/plugins/flowperpkt/
F:	src/plugins/flowperpkt.am

Plugin - SIXRD
M:	Ole Troan <ot@cisco.com>
F:	src/plugins/sixrd/
F:	src/plugins/sixrd.am

Test Infrastructure
M:	Klement Sekera <ksekera@cisco.com>
F:	test/

SVM Library
M:	Dave Barach <dave@barachs.net>
F:	src/svm

VPP API TEST
M:	Dave Barach <dave@barachs.net>
F:	src/vat/

VPP Executable
M:	Dave Barach <dave@barachs.net>
F:	src/vpp/

Graphical Event Viewer
M:	Dave Barach <dave@barachs.net>
F:	src/tools/g2/

Performance Tooling
M:	Dave Barach <dave@barachs.net>
F:	src/tools/perftool/

Binary API Compiler
M:	Dave Barach <dave@barachs.net>
F:	src/tools/vppapigen/

Ganglia Telemetry Module
M:	Dave Barach <dave@barachs.net>
F:	gmod/

THE REST
C:	Contact vpp-dev Mailing List <vpp-dev@fd.io>
F:	*
F:	*/
/* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
;;; plugin-node-skel.el - vpp engine plug-in "node.c" skeleton
;;;
;;; 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.

(require 'skeleton)

(define-skeleton skel-plugin-node
"Insert a plug-in 'node.c' skeleton "
nil
'(if (not (boundp 'plugin-name))
     (setq plugin-name (read-string "Plugin name: ")))
'(setq PLUGIN-NAME (upcase plugin-name))
'(setq capital-oh-en "ON")
"/*
 * node.c - skeleton vpp engine plug-in dual-loop node skeleton
 *
 * Copyright (c) <current-year> <your-organization>
 * 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 <vnet/vnet.h>
#include <vnet/pg/pg.h>
#include <vppinfra/error.h>
#include <" plugin-name "/" plugin-name ".h>

typedef struct 
{
  u32 next_index;
  u32 sw_if_index;
  u8 new_src_mac[6];
  u8 new_dst_mac[6];
} " plugin-name "_trace_t;

#ifndef CLIB_MARCH_VARIANT
static u8 *
my_format_mac_address (u8 * s, va_list * args)
{
  u8 *a = va_arg (*args, u8 *);
  return format (s, \"%02x:%02x:%02x:%02x:%02x:%02x\",
		 a[0], a[1], a[2], a[3], a[4], a[5]);
}

/* packet trace format function */
static u8 * format_" plugin-name "_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 *);
  " plugin-name "_trace_t * t = va_arg (*args, " plugin-name "_trace_t *);
  
  s = format (s, \"" PLUGIN-NAME ": sw_if_index %d, next index %d\\n\",
              t->sw_if_index, t->next_index);
  s = format (s, \"  new src %U -> new dst %U\",
              my_format_mac_address, t->new_src_mac, 
              my_format_mac_address, t->new_dst_mac);
  return s;
}

vlib_node_registration_t " plugin-name "_node;

#endif /* CLIB_MARCH_VARIANT */

#define foreach_" plugin-name "_error \\
_(SWAPPED, \"Mac swap packets processed\")

typedef enum {
#define _(sym,str) " PLUGIN-NAME "_ERROR_##sym,
  foreach_" plugin-name "_error
#undef _
  " PLUGIN-NAME "_N_ERROR,
} " plugin-name "_error_t;

#ifndef CLIB_MARCH_VARIANT
static char * " plugin-name "_error_strings[] = 
{
#define _(sym,string) string,
  foreach_" plugin-name "_error
#undef _
};
#endif /* CLIB_MARCH_VARIANT */

typedef enum 
{
  " PLUGIN-NAME "_NEXT_INTERFACE_OUTPUT,
  " PLUGIN-NAME "_N_NEXT,
} " plugin-name "_next_t;

#define foreach_mac_address_offset              \\
_(0)                                            \\
_(1)                                            \\
_(2)                                            \\
_(3)                                            \\
_(4)                                            \\
_(5)


VLIB_NODE_FN (" plugin-name "_node) (vlib_main_t * vm,
		  vlib_node_runtime_t * node,
		  vlib_frame_t * frame)
{
  u32 n_left_from, * from, * to_next;
  " plugin-name "_next_t next_index;
  u32 pkts_swapped = 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 >= 4 && n_left_to_next >= 2)
	{
          u32 next0 = " PLUGIN-NAME "_NEXT_INTERFACE_OUTPUT;
          u32 next1 = " PLUGIN-NAME "_NEXT_INTERFACE_OUTPUT;
          u32 sw_if_index0, sw_if_index1;
          u8 tmp0[6], tmp1[6];
          ethernet_header_t *en0, *en1;
          u32 bi0, bi1;
	  vlib_buffer_t * b0, * b1;
          
	  /* Prefetch next iteration. */
	  {
	    vlib_buffer_t * p2, * p3;
            
	    p2 = vlib_get_buffer (vm, from[2]);
	    p3 = vlib_get_buffer (vm, from[3]);
            
	    vlib_prefetch_buffer_header (p2, LOAD);
	    vlib_prefetch_buffer_header (p3, LOAD);

	    CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
	    CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
	  }

          /* speculatively enqueue b0 and b1 to the current next frame */
	  to_next[0] = bi0 = from[0];
	  to_next[1] = bi1 = from[1];
	  from += 2;
	  to_next += 2;
	  n_left_from -= 2;
	  n_left_to_next -= 2;

	  b0 = vlib_get_buffer (vm, bi0);
	  b1 = vlib_get_buffer (vm, bi1);

          ASSERT (b0->current_data == 0);
          ASSERT (b1->current_data == 0);
          
          en0 = vlib_buffer_get_current (b0);
          en1 = vlib_buffer_get_current (b1);

          /* This is not the fastest way to swap src + dst mac addresses */
#define _(a) tmp0[a] = en0->src_address[a];
          foreach_mac_address_offset;
#undef _
#define _(a) en0->src_address[a] = en0->dst_address[a];
          foreach_mac_address_offset;
#undef _
#define _(a) en0->dst_address[a] = tmp0[a];
          foreach_mac_address_offset;
#undef _

#define _(a) tmp1[a] = en1->src_address[a];
          foreach_mac_address_offset;
#undef _
#define _(a) en1->src_address[a] = en1->dst_address[a];
          foreach_mac_address_offset;
#undef _
#define _(a) en1->dst_address[a] = tmp1[a];
          foreach_mac_address_offset;
#undef _

          sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
          sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];

          /* Send pkt back out the RX interface */
          vnet_buffer(b0)->sw_if_index[VLIB_TX] = sw_if_index0;
          vnet_buffer(b1)->sw_if_index[VLIB_TX] = sw_if_index1;

          pkts_swapped += 2;

          if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
            {
              if (b0->flags & VLIB_BUFFER_IS_TRACED) 
                {
                    " plugin-name "_trace_t *t = 
                      vlib_add_trace (vm, node, b0, sizeof (*t));
                    t->sw_if_index = sw_if_index0;
                    t->next_index = next0;
                    clib_memcpy (t->new_src_mac, en0->src_address,
                                 sizeof (t->new_src_mac));
                    clib_memcpy (t->new_dst_mac, en0->dst_address,
                                 sizeof (t->new_dst_mac));
                  }
                if (b1->flags & VLIB_BUFFER_IS_TRACED) 
                  {
                    " plugin-name "_trace_t *t = 
                      vlib_add_trace (vm, node, b1, sizeof (*t));
                    t->sw_if_index = sw_if_index1;
                    t->next_index = next1;
                    clib_memcpy (t->new_src_mac, en1->src_address,
                                 sizeof (t->new_src_mac));
                    clib_memcpy (t->new_dst_mac, en1->dst_address,
                                 sizeof (t->new_dst_mac));
                  }
              }
            
            /* verify speculative enqueues, maybe switch current next frame */
            vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
                                             to_next, n_left_to_next,
                                             bi0, bi1, next0, next1);
        }

      while (n_left_from > 0 && n_left_to_next > 0)
	{
          u32 bi0;
	  vlib_buffer_t * b0;
          u32 next0 = " PLUGIN-NAME "_NEXT_INTERFACE_OUTPUT;
          u32 sw_if_index0;
          u8 tmp0[6];
          ethernet_header_t *en0;

          /* 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);
          /* 
           * Direct from the driver, we should be at offset 0
           * aka at &b0->data[0]
           */
          ASSERT (b0->current_data == 0);
          
          en0 = vlib_buffer_get_current (b0);

          /* This is not the fastest way to swap src + dst mac addresses */
#define _(a) tmp0[a] = en0->src_address[a];
          foreach_mac_address_offset;
#undef _
#define _(a) en0->src_address[a] = en0->dst_address[a];
          foreach_mac_address_offset;
#undef _
#define _(a) en0->dst_address[a] = tmp0[a];
          foreach_mac_address_offset;
#undef _

          sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];

          /* Send pkt back out the RX interface */
          vnet_buffer(b0)->sw_if_index[VLIB_TX] = sw_if_index0;

          if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) 
                            && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
            " plugin-name "_trace_t *t = 
               vlib_add_trace (vm, node, b0, sizeof (*t));
            t->sw_if_index = sw_if_index0;
            t->next_index = next0;
            clib_memcpy (t->new_src_mac, en0->src_address,
                         sizeof (t->new_src_mac));
            clib_memcpy (t->new_dst_mac, en0->dst_address,
                         sizeof (t->new_dst_mac));
            }
            
          pkts_swapped += 1;

          /* 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, " plugin-name "_node.index, 
                               " PLUGIN-NAME "_ERROR_SWAPPED, pkts_swapped);
  return frame->n_vectors;
}

/* *INDENT-OFF* */
#ifndef CLIB_MARCH_VARIANT
VLIB_REGISTER_NODE (" plugin-name "_node) = 
{
  .name = \"" plugin-name "\",
  .vector_size = sizeof (u32),
  .format_trace = format_" plugin-name "_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  
  .n_errors = ARRAY_LEN(" plugin-name "_error_strings),
  .error_strings = " plugin-name "_error_strings,

  .n_next_nodes = " PLUGIN-NAME "_N_NEXT,

  /* edit / add dispositions here */
  .next_nodes = {
        [" PLUGIN-NAME "_NEXT_INTERFACE_OUTPUT] = \"interface-output\",
  },
};
#endif /* CLIB_MARCH_VARIANT */
/* *INDENT-ON* */
/*
 * fd.io coding-style-patch-verification: " capital-oh-en "
 *
 * Local Variables:
 * eval: (c-set-style \"gnu\")
 * End:
 */
")