text: /*
   * Copyright (c) 2019 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 <vlib/vlib.h>
  #include <vnet/vnet.h>
  #include <vppinfra/error.h>
  #include <vnet/ethernet/ethernet.h>
  #include <vnet/feature/feature.h>
  #include <vnet/gso/gso.h>
  
  static clib_error_t *
  set_interface_feature_gso_command_fn (vlib_main_t * vm,
  				      unformat_input_t * input,
  				      vlib_cli_command_t * cmd)
  {
    vnet_main_t *vnm = vnet_get_main ();
    unformat_input_t _line_input, *line_input = &_line_input;
    clib_error_t *error = 0;
  
    u32 sw_if_index = ~0;
    u8 enable = 0;
  
    /* Get a line of input. */
    if (!unformat_user (input, unformat_line_input, line_input))
      return 0;
  
    while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
      {
        if (unformat
  	  (line_input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
  	;
        else if (unformat (line_input, "enable"))
  	enable = 1;
        else if (unformat (line_input, "disable"))
  	enable = 0;
        else
  	{
  	  error = unformat_parse_error (line_input);
  	  goto done;
  	}
      }
  
    if (sw_if_index == ~0)
      {
        error = clib_error_return (0, "Interface not specified...");
        goto done;
      }
    int rv = vnet_sw_interface_gso_enable_disable (sw_if_index, enable);
  
    switch (rv)
      {
      case VNET_API_ERROR_INVALID_VALUE:
        error = clib_error_return (0, "interface type is not hardware");
        break;
      case VNET_API_ERROR_FEATURE_DISABLED:
        error = clib_error_return (0, "interface should be ethernet interface");
        break;
      default:
        ;
      }
  
  done:
    unformat_free (line_input);
    return error;
  }
  
  /* *INDENT-OFF* */
  VLIB_CLI_COMMAND (set_interface_feature_gso_command, static) = {
    .path = "set interface feature gso",
    .short_help = "set interface feature gso <intfc> [enable | disable]",
    .function = set_interface_feature_gso_command_fn,
  };
  /* *INDENT-ON* */
  
  /*
   * fd.io coding-style-patch-verification: ON
   *
   * Local Variables:
   * eval: (c-set-style "gnu")
   * End:
   */
  