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path: root/vnet/etc/scripts/ip6-hbh
blob: 0c6de47f10098c16e3d31be1954d7b96f6ccf3d2 (plain)
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tap connect tap0
set int state tap-0 up
set int ip address tap-0 1::1/64
packet-generator new {
  name hbh1
  limit 1
  node ip6-input
  size 48-48
  no-recycle
  data {
    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
    hex 0x3B00010403040506
    incrementing 100
  }
}
packet-generator new {
  name hbh2
  limit 1
  node ip6-input
  size 48-48
  no-recycle
  data {
    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
    hex 0x3B00C10403040506
    incrementing 100
  }
}

packet-generator new {
  name hbh3
  limit 1
  node ip6-input
  size 48-48
  no-recycle
  data {
    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
    hex 0x3BffC10403040506
    incrementing 100
  }
}

packet-generator new {
  name hbh4
  limit 1
  node ip6-input
  size 64-64
  no-recycle
  data {
    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
    hex 0x3BffC10403040506
    incrementing 100
  }
}

packet-generator new {
  name hbh5
  limit 1
  node ip6-input
  size 56-56
  no-recycle
  data {
    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
    length 16
    hex 0x3B010104030405060106030405060708
    incrementing 100
  }
}

packet-generator new {
  name hbh6
  limit 1
  node ip6-input
  size 56-56
  no-recycle
  data {
    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
    length 16
    hex 0x3a00050200000100
    ICMP echo_request
    incrementing 100
  }
}

tr add pg-input 100
r.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) 2015 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 <vppinfra/ptclosure.h>
#include <vppinfra/hash.h>

typedef struct
{
  uword *index_by_name;
  u8 *items;
} test_main_t;

test_main_t test_main;

static char *items[] = {
  "d",
  "a",
  "b",
  "c",
};

char *constraints[] = {
  "a,b",
  "b,c",
  "d,b",
  //    "c,a", /* no partial order possible */
};

u32
vl (void *p)
{
  return vec_len (p);
}

static void
dump_closure (test_main_t * tm, char *s, u8 ** orig)
{
  int i, j;

  fformat (stdout, "--------- %s --------------\n", s);
  for (i = 0; i < vec_len (orig); i++)
    {
      for (j = 0; j < vec_len (orig); j++)
	if (orig[i][j])
	  {
	    fformat (stdout, "%s <before> %s\n", items[i], items[j]);
	  }
    }
}

int
comma_split (u8 * s, u8 ** a, u8 ** b)
{
  *a = s;

  while (*s && *s != ',')
    s++;

  if (*s == ',')
    *s = 0;
  else
    return 1;

  *b = (u8 *) (s + 1);
  return 0;
}

int
test_ptclosure_main (unformat_input_t * input)
{
  test_main_t *tm = &test_main;
  u8 *item_name;
  int i, j;
  u8 **orig;
  u8 **closure;
  u8 *a_name, *b_name;
  int a_index, b_index;
  uword *p;
  u8 *this_constraint;
  int n;
  u32 *result = 0;

  tm->index_by_name = hash_create_string (0, sizeof (uword));

  n = ARRAY_LEN (items);

  for (i = 0; i < n; i++)
    {
      item_name = (u8 *) items[i];
      hash_set_mem (tm->index_by_name, item_name, i);
    }

  orig = clib_ptclosure_alloc (n);

  for (i = 0; i < ARRAY_LEN (constraints); i++)
    {
      this_constraint = format (0, "%s%c", constraints[i], 0);

      if (comma_split (this_constraint, &a_name, &b_name))
	{
	  clib_warning ("couldn't split '%s'", constraints[i]);
	  return 1;
	}

      p = hash_get_mem (tm->index_by_name, a_name);
      if (p == 0)
	{
	  clib_warning ("couldn't find '%s'", a_name);
	  return 1;
	}
      a_index = p[0];

      p = hash_get_mem (tm->index_by_name, b_name);
      if (p == 0)
	{
	  clib_warning ("couldn't find '%s'", b_name);
	  return 1;
	}
      b_index = p[0];

      orig[a_index][b_index] = 1;
      vec_free (this_constraint);
    }

  dump_closure (tm, "original relation", orig);

  closure = clib_ptclosure (orig);

  dump_closure (tm, "closure", closure);

  /*
   * Output partial order
   */

again:
  for (i = 0; i < n; i++)
    {
      for (j = 0; j < n; j++)
	{
	  if (closure[i][j])
	    goto item_constrained;
	}
      /* Item i can be output */
      vec_add1 (result, i);
      {
	int k;
	for (k = 0; k < n; k++)
	  closure[k][i] = 0;
	/* "Magic" a before a, to keep from ever outputting it again */
	closure[i][i] = 1;
	goto again;
      }
    item_constrained:
      ;
    }

  if (vec_len (result) != n)
    {
      clib_warning ("no partial order exists");
      exit (1);
    }

  fformat (stdout, "Partial order:\n");

  for (i = vec_len (result) - 1; i >= 0; i--)
    {
      fformat (stdout, "%s\n", items[result[i]]);
    }

  vec_free (result);
  clib_ptclosure_free (orig);
  clib_ptclosure_free (closure);

  return 0;
}

#ifdef CLIB_UNIX
int
main (int argc, char *argv[])
{
  unformat_input_t i;
  int ret;

  clib_mem_init (0, 3ULL << 30);

  unformat_init_command_line (&i, argv);
  ret = test_ptclosure_main (&i);
  unformat_free (&i);

  return ret;
}
#endif /* CLIB_UNIX */

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