text: /*
   * Copyright (c) 2018 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 <vnet/ethernet/mac_address.h>
  
  /* *INDENT-OFF* */
  const mac_address_t ZERO_MAC_ADDRESS = {
    .bytes = {
      0, 0, 0, 0, 0, 0,
    },
  };
  /* *INDENT-ON* */
  
  u8 *
  format_mac_address_t (u8 * s, va_list * args)
  {
    const mac_address_t *mac = va_arg (*args, mac_address_t *);
  
    return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
  		 mac->bytes[0], mac->bytes[1], mac->bytes[2],
  		 mac->bytes[3], mac->bytes[4], mac->bytes[5]);
  }
  
  uword
  unformat_mac_address_t (unformat_input_t * input, va_list * args)
  {
    mac_address_t *mac = va_arg (*args, mac_address_t *);
    u32 i, a[3];
  
    if (unformat (input, "%_%X:%X:%X:%X:%X:%X%_",
  		1, &mac->bytes[0], 1, &mac->bytes[1], 1, &mac->bytes[2],
  		1, &mac->bytes[3], 1, &mac->bytes[4], 1, &mac->bytes[5]))
      return (1);
    else if (unformat (input, "%_%x.%x.%x%_", &a[0], &a[1], &a[2]))
      {
        for (i = 0; i < ARRAY_LEN (a); i++)
  	if (a[i] >= (1 << 16))
  	  return 0;
  
        mac->bytes[0] = (a[0] >> 8) & 0xff;
        mac->bytes[1] = (a[0] >> 0) & 0xff;
        mac->bytes[2] = (a[1] >> 8) & 0xff;
        mac->bytes[3] = (a[1] >> 0) & 0xff;
        mac->bytes[4] = (a[2] >> 8) & 0xff;
        mac->bytes[5] = (a[2] >> 0) & 0xff;
  
        return (1);
      }
    return (0);
  }
  
  void
  mac_address_increment (mac_address_t * mac)
  {
    u64 a;
  
    a = mac_address_as_u64 (mac);
    a++;
    mac_address_from_u64 (mac, a);
  }
  
  /*
   * fd.io coding-style-patch-verification: ON
   *
   * Local Variables:
   * eval: (c-set-style "gnu")
   * End:
   */
  