summaryrefslogtreecommitdiffstats
path: root/INFO.yaml
AgeCommit message (Expand)AuthorFilesLines
2023-06-08misc: fix INFO.yaml mistakesMohammed Hawari1-3/+3
2023-06-02misc: update INFO.yamlMohammed Hawari1-0/+7
2021-04-01misc: update INFO.yamlDamjan Marion1-29/+16
2020-04-30misc: add Matt Smith to the committer listDave Barach1-0/+5
2020-04-23misc: update INFO.yamlDave Barach1-34/+34
2018-08-31Add INFO.yaml fileVanessa Rene Valderrama1-0/+106
'>141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 
/*
 * 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 <vat/vat.h>
#include <vnet/ip/ip.h>

uword
unformat_sw_if_index (unformat_input_t * input, va_list * args)
{
  vat_main_t *vam = va_arg (*args, vat_main_t *);
  u32 *result = va_arg (*args, u32 *);
  u8 *if_name;
  uword *p;

  if (!unformat (input, "%s", &if_name))
    return 0;

  p = hash_get_mem (vam->sw_if_index_by_interface_name, if_name);
  if (p == 0)
    return 0;
  *result = p[0];
  return 1;
}

/* Parse an IP4 address %d.%d.%d.%d. */
uword
unformat_ip4_address (unformat_input_t * input, va_list * args)
{
  u8 *result = va_arg (*args, u8 *);
  unsigned a[4];

  if (!unformat (input, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]))
    return 0;

  if (a[0] >= 256 || a[1] >= 256 || a[2] >= 256 || a[3] >= 256)
    return 0;

  result[0] = a[0];
  result[1] = a[1];
  result[2] = a[2];
  result[3] = a[3];

  return 1;
}

uword
unformat_ethernet_address (unformat_input_t * input, va_list * args)
{
  u8 *result = va_arg (*args, u8 *);
  u32 i, a[6];

  if (!unformat (input, "%_%x:%x:%x:%x:%x:%x%_",
		 &a[0], &a[1], &a[2], &a[3], &a[4], &a[5]))
    return 0;

  /* Check range. */
  for (i = 0; i < 6; i++)
    if (a[i] >= (1 << 8))
      return 0;

  for (i = 0; i < 6; i++)
    result[i] = a[i];

  return 1;
}

/* Returns ethernet type as an int in host byte order. */
uword
unformat_ethernet_type_host_byte_order (unformat_input_t * input,
					va_list * args)
{
  u16 *result = va_arg (*args, u16 *);
  int type;

  /* Numeric type. */
  if (unformat (input, "0x%x", &type) || unformat (input, "%d", &type))
    {
      if (type >= (1 << 16))
	return 0;
      *result = type;
      return 1;
    }
  return 0;
}

/* Parse an IP6 address. */
uword
unformat_ip6_address (unformat_input_t * input, va_list * args)
{
  ip6_address_t *result = va_arg (*args, ip6_address_t *);
  u16 hex_quads[8];
  uword hex_quad, n_hex_quads, hex_digit, n_hex_digits;
  uword c, n_colon, double_colon_index;

  n_hex_quads = hex_quad = n_hex_digits = n_colon = 0;
  double_colon_index = ARRAY_LEN (hex_quads);
  while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT)
    {
      hex_digit = 16;
      if (c >= '0' && c <= '9')
	hex_digit = c - '0';
      else if (c >= 'a' && c <= 'f')
	hex_digit = c + 10 - 'a';
      else if (c >= 'A' && c <= 'F')
	hex_digit = c + 10 - 'A';
      else if (c == ':' && n_colon < 2)
	n_colon++;
      else
	{
	  unformat_put_input (input);
	  break;
	}

      /* Too many hex quads. */
      if (n_hex_quads >= ARRAY_LEN (hex_quads))
	return 0;

      if (hex_digit < 16)
	{
	  hex_quad = (hex_quad << 4) | hex_digit;

	  /* Hex quad must fit in 16 bits. */
	  if (n_hex_digits >= 4)
	    return 0;

	  n_colon = 0;
	  n_hex_digits++;
	}

      /* Save position of :: */
      if (n_colon == 2)
	{
	  /* More than one :: ? */
	  if (double_colon_index < ARRAY_LEN (hex_quads))
	    return 0;
	  double_colon_index = n_hex_quads;
	}

      if (n_colon > 0 && n_hex_digits > 0)
	{
	  hex_quads[n_hex_quads++] = hex_quad;
	  hex_quad = 0;
	  n_hex_digits = 0;
	}
    }

  if (n_hex_digits > 0)
    hex_quads[n_hex_quads++] = hex_quad;

  {
    word i;

    /* Expand :: to appropriate number of zero hex quads. */
    if (double_colon_index < ARRAY_LEN (hex_quads))
      {
	word n_zero = ARRAY_LEN (hex_quads) - n_hex_quads;

	for (i = n_hex_quads - 1; i >= (signed) double_colon_index; i--)
	  hex_quads[n_zero + i] = hex_quads[i];

	for (i = 0; i < n_zero; i++)
	  hex_quads[double_colon_index + i] = 0;

	n_hex_quads = ARRAY_LEN (hex_quads);
      }

    /* Too few hex quads given. */
    if (n_hex_quads < ARRAY_LEN (hex_quads))
      return 0;

    for (i = 0; i < ARRAY_LEN (hex_quads); i++)
      result->as_u16[i] = clib_host_to_net_u16 (hex_quads[i]);

    return 1;
  }
}

u8 *
format_ip4_address (u8 * s, va_list * args)
{
  u8 *a = va_arg (*args, u8 *);
  return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
}

u8 *
format_ip6_address (u8 * s, va_list * args)
{
  ip6_address_t *a = va_arg (*args, ip6_address_t *);
  u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;

  i_max_n_zero = ARRAY_LEN (a->as_u16);
  max_n_zeros = 0;
  i_first_zero = i_max_n_zero;
  n_zeros = 0;
  for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
    {
      u32 is_zero = a->as_u16[i] == 0;
      if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
	{
	  i_first_zero = i;
	  n_zeros = 0;
	}
      n_zeros += is_zero;
      if ((!is_zero && n_zeros > max_n_zeros)
	  || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
	{
	  i_max_n_zero = i_first_zero;
	  max_n_zeros = n_zeros;
	  i_first_zero = ARRAY_LEN (a->as_u16);
	  n_zeros = 0;
	}
    }

  last_double_colon = 0;
  for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
    {
      if (i == i_max_n_zero && max_n_zeros > 1)
	{
	  s = format (s, "::");
	  i += max_n_zeros - 1;
	  last_double_colon = 1;
	}
      else
	{
	  s = format (s, "%s%x",
		      (last_double_colon || i == 0) ? "" : ":",
		      clib_net_to_host_u16 (a->as_u16[i]));
	  last_double_colon = 0;
	}
    }

  return s;
}

/* Format an IP46 address. */
u8 *
format_ip46_address (u8 * s, va_list * args)
{
  ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
  ip46_type_t type = va_arg (*args, ip46_type_t);
  int is_ip4 = 1;

  switch (type)
    {
    case IP46_TYPE_ANY:
      is_ip4 = ip46_address_is_ip4 (ip46);
      break;
    case IP46_TYPE_IP4:
      is_ip4 = 1;
      break;
    case IP46_TYPE_IP6:
      is_ip4 = 0;
      break;
    }

  return is_ip4 ?
    format (s, "%U", format_ip4_address, &ip46->ip4) :
    format (s, "%U", format_ip6_address, &ip46->ip6);
}

u8 *
format_ethernet_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]);
}

void
vat_plugin_api_reference (void)
{
}

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