in6.h

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// ##########################################################################
// ####                                                                  ####
// ####                      RTP Audio Server Project                    ####
// ####                    ============================                  ####
// ####                                                                  ####
// #### IPv6 Definitions                                                 ####
// ####                                                                  ####
// #### Version 1.00  --  February 16, 2001                              ####
// ####                                                                  ####
// #### Copyright (C) 1999  Thomas Dreibholz                             ####
// ####               2000  Universität Bonn, Abt. IV                    ####
// ####               2001  EMail: dreibh@iem.uni-due.de                 ####
// ####                     WWW:   https://www.uni-due.de/~be0001        ####
// ####                                                                  ####
// ##########################################################################


#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