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# Test VPPCOM config file
vcl {
  heapsize 1G
  heapsize 1
  vpp-api-q-length 32
  vpp-api-q-length 65536
  api-prefix daw  # this is a comment
  uid 1020 this is also a comment.
  gid 1020
# This is yet another comment!
  segment-baseva 0x300000000
  segment-size 0x10000000
  segment-size 268435456
  add-segment-size 0x1000000
  add-segment-size 134217728
  preallocated-fifo-pairs 16
  rx-fifo-size 3145728
  rx-fifo-size 0x300000
  tx-fifo-size 3145728
  tx-fifo-size 0x300000
  event-queue-size 1024
  event-queue-size 0x400
  listen-queue-size 32
  listen-queue-size 0x20
  app-timeout 54.3
  session-timeout 66.6
  accept-timeout 0.1
  app-proxy-transport-tcp
  app-proxy-transport-udp
  app-scope-local
  app-scope-global
  namespace-id 0123456789012345678901234567890123456789012345678901234567890123456789
  namespace-id Oh_Bother!_Said_Winnie-The-Pooh
  namespace-secret 42
}
claration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* 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 */ }
/*
 * 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.
 */

#ifndef __IP6_FIB_H__
#define __IP6_FIB_H__

#include <vlib/vlib.h>
#include <vnet/ip/format.h>
#include <vnet/fib/fib_entry.h>
#include <vnet/fib/fib_table.h>
#include <vnet/ip/lookup.h>
#include <vnet/dpo/load_balance.h>

extern fib_node_index_t ip6_fib_table_lookup(u32 fib_index,
					     const ip6_address_t *addr,
					     u32 len);
extern fib_node_index_t ip6_fib_table_lookup_exact_match(u32 fib_index,
							 const ip6_address_t *addr,
							 u32 len);

extern void ip6_fib_table_entry_remove(u32 fib_index,
				       const ip6_address_t *addr,
				       u32 len);

extern void ip6_fib_table_entry_insert(u32 fib_index,
				       const ip6_address_t *addr,
				       u32 len,
				       fib_node_index_t fib_entry_index);
extern void ip6_fib_table_destroy(u32 fib_index);

extern void ip6_fib_table_fwding_dpo_update(u32 fib_index,
					    const ip6_address_t *addr,
					    u32 len,
					    const dpo_id_t *dpo);

extern void ip6_fib_table_fwding_dpo_remove(u32 fib_index,
					    const ip6_address_t *addr,
					    u32 len,
					    const dpo_id_t *dpo);

u32 ip6_fib_table_fwding_lookup_with_if_index(ip6_main_t * im,
					      u32 sw_if_index,
					      const ip6_address_t * dst);

/**
 * @brief Walk all entries in a FIB table
 * N.B: This is NOT safe to deletes. If you need to delete walk the whole
 * table and store elements in a vector, then delete the elements
 */
extern void ip6_fib_table_walk(u32 fib_index,
                               fib_table_walk_fn_t fn,
                               void *ctx);

always_inline u32
ip6_fib_table_fwding_lookup (ip6_main_t * im,
                             u32 fib_index,
                             const ip6_address_t * dst)
{
    ip6_fib_table_instance_t *table;
    clib_bihash_kv_24_8_t kv, value;
    int i, len;
    int rv;
    u64 fib;

    table = &ip6_main.ip6_table[IP6_FIB_TABLE_FWDING];
    len = vec_len (table->prefix_lengths_in_search_order);

    kv.key[0] = dst->as_u64[0];
    kv.key[1] = dst->as_u64[1];
    fib = ((u64)((fib_index))<<32);

    for (i = 0; i < len; i++)
    {
	int dst_address_length = table->prefix_lengths_in_search_order[i];
	ip6_address_t * mask = &ip6_main.fib_masks[dst_address_length];

	ASSERT(dst_address_length >= 0 && dst_address_length <= 128);
	//As lengths are decreasing, masks are increasingly specific.
	kv.key[0] &= mask->as_u64[0];
	kv.key[1] &= mask->as_u64[1];
	kv.key[2] = fib | dst_address_length;

	rv = clib_bihash_search_inline_2_24_8(&table->ip6_hash, &kv, &value);
	if (rv == 0)
	    return value.value;
    }

    /* default route is always present */
    ASSERT(0);
    return 0;
}

/**
 * @brief Walk all entries in a sub-tree of the FIB table
 * N.B: This is NOT safe to deletes. If you need to delete walk the whole
 * table and store elements in a vector, then delete the elements
 */
extern void ip6_fib_table_sub_tree_walk(u32 fib_index,
                                        const fib_prefix_t *root,
                                        fib_table_walk_fn_t fn,
                                        void *ctx);

/**
 * @brief return the DPO that the LB stacks on.
 */
always_inline u32
ip6_src_lookup_for_packet (ip6_main_t * im,
                           vlib_buffer_t * b,
                           ip6_header_t * i)
{
    if (vnet_buffer (b)->ip.adj_index[VLIB_RX] == ~0)
    {
        const dpo_id_t *dpo;
        index_t lbi;

        lbi = ip6_fib_table_fwding_lookup_with_if_index(
                  im,
                  vnet_buffer (b)->sw_if_index[VLIB_RX],
                  &i->src_address);

        dpo = load_balance_get_bucket_i(load_balance_get(lbi), 0);

        if (dpo_is_adj(dpo))
        {
            vnet_buffer (b)->ip.adj_index[VLIB_RX] = dpo->dpoi_index;
        }
    }
    return vnet_buffer (b)->ip.adj_index[VLIB_RX];
}

/**
 * \brief Get or create an IPv6 fib.
 *
 * Get or create an IPv4 fib with the provided table ID.
 *
 * \param im
 *      ip4_main pointer.
 * \param table_id
 *      When set to \c ~0, an arbitrary and unused fib ID is picked
 *      and can be retrieved with \c ret->table_id.
 *      Otherwise, the fib ID to be used to retrieve or create the desired fib.
 * \returns A pointer to the retrieved or created fib.
 *
 */
extern u32 ip6_fib_table_find_or_create_and_lock(u32 table_id,
                                                 fib_source_t src);
extern u32 ip6_fib_table_create_and_lock(fib_source_t src,
                                         fib_table_flags_t flags,
                                         u8* desc);

extern u8 *format_ip6_fib_table_memory(u8 * s, va_list * args);

static inline ip6_fib_t *
ip6_fib_get (fib_node_index_t index)
{
    ASSERT(!pool_is_free_index(ip6_main.fibs, index));
    return (pool_elt_at_index (ip6_main.v6_fibs, index));
}

static inline 
u32 ip6_fib_index_from_table_id (u32 table_id)
{
  ip6_main_t * im = &ip6_main;
  uword * p;

  p = hash_get (im->fib_index_by_table_id, table_id);
  if (!p)
    return ~0;

  return p[0];
}

extern u32 ip6_fib_table_get_index_for_sw_if_index(u32 sw_if_index);

#endif