Source: in6.h


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// ##########################################################################
// ####                                                                  ####
// ####                      RTP Audio Server Project                    ####
// ####                    ============================                  ####
// ####                                                                  ####
// #### IPv6 Definitions                                                 ####
// ####                                                                  ####
// #### Version 1.00  --  September 17, 2000                             ####
// ####                                                                  ####
// #### Copyright (C) 1999  Thomas Dreibholz                             ####
// ####               2000  Universität Bonn, Abt. IV                    ####
// ####                     EMail: Dreibholz@bigfoot.com                 ####
// ####                     WWW:   http://www.bigfoot.com/~dreibholz     ####
// ####                                                                  ####
// ##########################################################################


/**
  * IMPORTANT NOTE:
  * This is an extraction of <linux/in6.h>, which cannot be included due
  * to incompatibilities!
  * This file will be replaced, when incompatibilities are solved!
  */


#ifndef _LINUX_IN6_H
#define _LINUX_IN6_H


#include <linux/types.h>


struct in6_flowlabel_req
{
	struct in6_addr	flr_dst;
	__u32	flr_label;
	__u8	flr_action;
	__u8	flr_share;
	__u16	flr_flags;
	__u16 	flr_expires;
	__u16	flr_linger;
	__u32	__flr_pad;
	/* Options in format of IPV6_PKTOPTIONS */
};

#define IPV6_FL_A_GET	0
#define IPV6_FL_A_PUT	1
#define IPV6_FL_A_RENEW	2

#define IPV6_FL_F_CREATE	1
#define IPV6_FL_F_EXCL		2

#define IPV6_FL_S_NONE		0
#define IPV6_FL_S_EXCL		1
#define IPV6_FL_S_PROCESS	2
#define IPV6_FL_S_USER		3
#define IPV6_FL_S_ANY		255


/*
 *	Bitmask constant declarations to help applications select out the 
 *	flow label and priority fields.
 *
 *	Note that this are in host byte order while the flowinfo field of
 *	sockaddr_in6 is in network byte order.
 */

#define IPV6_FLOWINFO_FLOWLABEL		0x000fffff
#define IPV6_FLOWINFO_PRIORITY		0x0ff00000

/* These defintions are obsolete */
#define IPV6_PRIORITY_UNCHARACTERIZED	0x0000
#define IPV6_PRIORITY_FILLER		0x0100
#define IPV6_PRIORITY_UNATTENDED	0x0200
#define IPV6_PRIORITY_RESERVED1		0x0300
#define IPV6_PRIORITY_BULK		0x0400
#define IPV6_PRIORITY_RESERVED2		0x0500
#define IPV6_PRIORITY_INTERACTIVE	0x0600
#define IPV6_PRIORITY_CONTROL		0x0700
#define IPV6_PRIORITY_8			0x0800
#define IPV6_PRIORITY_9			0x0900
#define IPV6_PRIORITY_10		0x0a00
#define IPV6_PRIORITY_11		0x0b00
#define IPV6_PRIORITY_12		0x0c00
#define IPV6_PRIORITY_13		0x0d00
#define IPV6_PRIORITY_14		0x0e00
#define IPV6_PRIORITY_15		0x0f00

/*
 *	IPV6 extension headers
 */
#define IPPROTO_HOPOPTS		0	/* IPv6 hop-by-hop options	*/
#define IPPROTO_ROUTING		43	/* IPv6 routing header		*/
#define IPPROTO_FRAGMENT	44	/* IPv6 fragmentation header	*/
#define IPPROTO_ICMPV6		58	/* ICMPv6			*/
#define IPPROTO_NONE		59	/* IPv6 no next header		*/
#define IPPROTO_DSTOPTS		60	/* IPv6 destination options	*/

/*
 *	IPv6 TLV options.
 */
#define IPV6_TLV_PAD0		0
#define IPV6_TLV_PADN		1
#define IPV6_TLV_ROUTERALERT	20
#define IPV6_TLV_JUMBO		194

/*
 *	IPV6 socket options
 */

#define IPV6_ADDRFORM		1
#define IPV6_PKTINFO		2
#define IPV6_HOPOPTS		3
#define IPV6_DSTOPTS		4
#define IPV6_RTHDR		5
#define IPV6_PKTOPTIONS		6
#define IPV6_CHECKSUM		7
#define IPV6_HOPLIMIT		8
#define IPV6_NEXTHOP		9
#define IPV6_AUTHHDR		10
#define IPV6_FLOWINFO		11

#if 0
/* Aliases for obsolete names */
#define IPV6_RXHOPOPTS		IPV6_HOPOPTS
#define IPV6_RXDSTOPTS		IPV6_DSTOPTS
#define IPV6_RXSRCRT		IPV6_RTHDR
#endif

/*
 *	Alternative names
 */
#define SCM_SRCRT		IPV6_RXSRCRT

#define IPV6_UNICAST_HOPS	16
#define IPV6_MULTICAST_IF	17
#define IPV6_MULTICAST_HOPS	18
#define IPV6_MULTICAST_LOOP	19
#define IPV6_ADD_MEMBERSHIP	20
#define IPV6_DROP_MEMBERSHIP	21
#define IPV6_ROUTER_ALERT	22
#define IPV6_MTU_DISCOVER	23
#define IPV6_MTU		24
#define IPV6_RECVERR		25

/* IPV6_MTU_DISCOVER values */
#define IPV6_PMTUDISC_DONT		0
#define IPV6_PMTUDISC_WANT		1
#define IPV6_PMTUDISC_DO		2

/* Flowlabel */
#define IPV6_FLOWLABEL_MGR	32
#define IPV6_FLOWINFO_SEND	33


#endif

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