xref: /xnu-8796.121.2/bsd/netinet/tcp_utils.h (revision c54f35ca767986246321eb901baf8f5ff7923f6a)
1*c54f35caSApple OSS Distributions /*
2*c54f35caSApple OSS Distributions  * Copyright (c) 2000-2021 Apple Inc. All rights reserved.
3*c54f35caSApple OSS Distributions  *
4*c54f35caSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*c54f35caSApple OSS Distributions  *
6*c54f35caSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*c54f35caSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*c54f35caSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*c54f35caSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*c54f35caSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*c54f35caSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*c54f35caSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*c54f35caSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*c54f35caSApple OSS Distributions  *
15*c54f35caSApple OSS Distributions  * Please obtain a copy of the License at
16*c54f35caSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*c54f35caSApple OSS Distributions  *
18*c54f35caSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*c54f35caSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*c54f35caSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*c54f35caSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*c54f35caSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*c54f35caSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*c54f35caSApple OSS Distributions  * limitations under the License.
25*c54f35caSApple OSS Distributions  *
26*c54f35caSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*c54f35caSApple OSS Distributions  */
28*c54f35caSApple OSS Distributions 
29*c54f35caSApple OSS Distributions #ifndef _NETINET_TCP_UTILS_H_
30*c54f35caSApple OSS Distributions #define _NETINET_TCP_UTILS_H_
31*c54f35caSApple OSS Distributions 
32*c54f35caSApple OSS Distributions #include <netinet/tcp_var.h>
33*c54f35caSApple OSS Distributions 
34*c54f35caSApple OSS Distributions struct tcp_globals {};
35*c54f35caSApple OSS Distributions 
36*c54f35caSApple OSS Distributions static inline struct tcp_globals *
tcp_get_globals(struct tcpcb * tp)37*c54f35caSApple OSS Distributions tcp_get_globals(struct tcpcb *tp)
38*c54f35caSApple OSS Distributions {
39*c54f35caSApple OSS Distributions #pragma unused(tp)
40*c54f35caSApple OSS Distributions 	return NULL;
41*c54f35caSApple OSS Distributions }
42*c54f35caSApple OSS Distributions 
43*c54f35caSApple OSS Distributions static inline uint32_t
tcp_globals_now(struct tcp_globals * globals)44*c54f35caSApple OSS Distributions tcp_globals_now(struct tcp_globals *globals)
45*c54f35caSApple OSS Distributions {
46*c54f35caSApple OSS Distributions #pragma unused(globals)
47*c54f35caSApple OSS Distributions 	return tcp_now;
48*c54f35caSApple OSS Distributions }
49*c54f35caSApple OSS Distributions 
50*c54f35caSApple OSS Distributions extern void tcp_ccdbg_control_register(void);
51*c54f35caSApple OSS Distributions extern void tcp_ccdbg_trace(struct tcpcb *tp, struct tcphdr *th, int32_t event);
52*c54f35caSApple OSS Distributions 
53*c54f35caSApple OSS Distributions #endif /* _NETINET_TCP_UTILS_H_ */
54