bsd/net/pktsched/pktsched_netem.h

   1 /*
   2  * Copyright (c) 2018 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #define NETEM_MAX_BATCH_SIZE    32
  30
  31 __BEGIN_DECLS
  32
  33 extern int netem_init(void);
  34 extern void netem_fini(void);
  35
  36 extern int netem_config(struct netem **ne, const char *name,
  37     const struct if_netem_params *p, void *output_handle,
  38     int (*output)(void *handle, pktsched_pkt_t *pkts, uint32_t n_pkts),
  39     uint32_t output_max_batch_size);
  40 extern void netem_get_params(struct netem *ne, struct if_netem_params *p);
  41 extern void netem_destroy(struct netem *ne);
  42 extern int netem_enqueue(struct netem *ne, classq_pkt_t *p, boolean_t *pdrop);
  43
  44 __END_DECLS