1 /*
2 * Copyright (c) 2024 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 #include <sys/systm.h>
30
31 #include <net/pktsched/pktsched_ops.h>
32
33 pktsched_ops_list_t pktsched_ops_list;
34
35 void
pktsched_ops_register(pktsched_ops_t * new_ops)36 pktsched_ops_register(pktsched_ops_t *new_ops)
37 {
38 pktsched_ops_t *ops;
39
40 ASSERT(new_ops->ps_deq != NULL);
41 ASSERT(new_ops->ps_enq != NULL);
42 ASSERT(new_ops->ps_deq_sc != NULL);
43 ASSERT(new_ops->ps_setup != NULL);
44 ASSERT(new_ops->ps_teardown != NULL);
45 ASSERT(new_ops->ps_req != NULL);
46 ASSERT(new_ops->ps_allow_dequeue != NULL);
47
48 LIST_FOREACH(ops, &pktsched_ops_list, ps_ops_link) {
49 VERIFY(ops->ps_id != new_ops->ps_id);
50 }
51
52 LIST_INSERT_HEAD(&pktsched_ops_list, new_ops, ps_ops_link);
53 }
54
55 pktsched_ops_t *
pktsched_ops_find(uint8_t ops_id)56 pktsched_ops_find(uint8_t ops_id)
57 {
58 pktsched_ops_t *ops;
59
60 LIST_FOREACH(ops, &pktsched_ops_list, ps_ops_link) {
61 if (ops->ps_id == ops_id) {
62 return ops;
63 }
64 }
65
66 return NULL;
67 }
68