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The C and C++ Include Header Files

/usr/include/linux/ioam6_iptunnel.h


$ cat -n /usr/include/linux/ioam6_iptunnel.h

     1	/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
     2	/*
     3	 *  IPv6 IOAM Lightweight Tunnel API
     4	 *
     5	 *  Author:
     6	 *  Justin Iurman <justin.iurman@uliege.be>
     7	 */
     8	
     9	#ifndef _LINUX_IOAM6_IPTUNNEL_H
    10	#define _LINUX_IOAM6_IPTUNNEL_H
    11	
    12	/* Encap modes:
    13	 *  - inline: direct insertion
    14	 *  - encap: ip6ip6 encapsulation
    15	 *  - auto: __inline__ for local packets, encap for in-transit packets
    16	 */
    17	enum {
    18		__IOAM6_IPTUNNEL_MODE_MIN,
    19	
    20		IOAM6_IPTUNNEL_MODE_INLINE,
    21		IOAM6_IPTUNNEL_MODE_ENCAP,
    22		IOAM6_IPTUNNEL_MODE_AUTO,
    23	
    24		__IOAM6_IPTUNNEL_MODE_MAX,
    25	};
    26	
    27	#define IOAM6_IPTUNNEL_MODE_MIN (__IOAM6_IPTUNNEL_MODE_MIN + 1)
    28	#define IOAM6_IPTUNNEL_MODE_MAX (__IOAM6_IPTUNNEL_MODE_MAX - 1)
    29	
    30	enum {
    31		IOAM6_IPTUNNEL_UNSPEC,
    32	
    33		/* Encap mode */
    34		IOAM6_IPTUNNEL_MODE,		/* u8 */
    35	
    36		/* Tunnel dst address.
    37		 * For encap,auto modes.
    38		 */
    39		IOAM6_IPTUNNEL_DST,		/* struct in6_addr */
    40	
    41		/* IOAM Trace Header */
    42		IOAM6_IPTUNNEL_TRACE,		/* struct ioam6_trace_hdr */
    43	
    44		/* Insertion frequency:
    45		 * "k over n" packets (0 < k <= n)
    46		 * [0.0001% ... 100%]
    47		 */
    48	#define IOAM6_IPTUNNEL_FREQ_MIN 1
    49	#define IOAM6_IPTUNNEL_FREQ_MAX 1000000
    50		IOAM6_IPTUNNEL_FREQ_K,		/* u32 */
    51		IOAM6_IPTUNNEL_FREQ_N,		/* u32 */
    52	
    53		__IOAM6_IPTUNNEL_MAX,
    54	};
    55	
    56	#define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1)
    57	
    58	#endif /* _LINUX_IOAM6_IPTUNNEL_H */