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/*
* 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.
*/
#ifndef __PIPE_H__
#define __PIPE_H__
#include <vnet/ethernet/ethernet.h>
/**
* representation of a pipe interface
*/
typedef struct pipe_t_
{
/** the SW if_index of the other end of the pipe */
u32 sw_if_index;
/** Sub-interface config */
subint_config_t subint;
} pipe_t;
/**
* Create a new pipe interface
*
* @param is_specified Has the user speficied a desired instance number
* @param user_instance The user's desired instnace
* @param parent_sw_index OUT the created parent interface
* @param pipe_sw_if_index OUT the ends of the pipe
*/
extern int vnet_create_pipe_interface (u8 is_specified,
u32 user_instance,
u32 * parent_sw_if_index,
u32 pipe_sw_if_index[2]);
extern int vnet_delete_pipe_interface (u32 parent_sw_if_index);
/**
* Get the pipe instnace based on one end
*/
extern pipe_t *pipe_get (u32 sw_if_index);
/**
* Call back function when walking all the pipes
*/
typedef walk_rc_t (*pipe_cb_fn_t) (u32 parent_sw_if_index,
u32 pipe_sw_if_index[2],
u32 instance, void *ctx);
/**
* Walk all the of pipe interfaces
*/
extern void pipe_walk (pipe_cb_fn_t fn, void *ctx);
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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