cli.c

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/*
 * 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:
 */