1 files changed, 279 insertions, 0 deletions

diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
new file mode 100644
index 000000000000..1e3159989958
--- /dev/null
+++ b/include/uapi/linux/in6.h
@@ -0,0 +1,279 @@
+/*
+ *      Types and definitions for AF_INET6 
+ *      Linux INET6 implementation 
+ *
+ *      Authors:
+ *      Pedro Roque             <roque@di.fc.ul.pt>     
+ *
+ *      Sources:
+ *      IPv6 Program Interfaces for BSD Systems
+ *      <draft-ietf-ipngwg-bsd-api-05.txt>
+ *
+ *      Advanced Sockets API for IPv6
+ *      <draft-stevens-advanced-api-00.txt>
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _UAPI_LINUX_IN6_H
+#define _UAPI_LINUX_IN6_H
+
+#include <linux/types.h>
+
+/*
+ *      IPv6 address structure
+ */
+
+struct in6_addr {
+        union {
+                __u8            u6_addr8[16];
+                __be16          u6_addr16[8];
+                __be32          u6_addr32[4];
+        } in6_u;
+#define s6_addr                 in6_u.u6_addr8
+#define s6_addr16               in6_u.u6_addr16
+#define s6_addr32               in6_u.u6_addr32
+};
+
+/* IPv6 Wildcard Address (::) and Loopback Address (::1) defined in RFC2553
+ * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined
+ * in network byte order, not in host byte order as are the IPv4 equivalents
+ */
+
+struct sockaddr_in6 {
+        unsigned short int      sin6_family;    /* AF_INET6 */
+        __be16                  sin6_port;      /* Transport layer port # */
+        __be32                  sin6_flowinfo;  /* IPv6 flow information */
+        struct in6_addr         sin6_addr;      /* IPv6 address */
+        __u32                   sin6_scope_id;  /* scope id (new in RFC2553) */
+};
+
+struct ipv6_mreq {
+        /* IPv6 multicast address of group */
+        struct in6_addr ipv6mr_multiaddr;
+
+        /* local IPv6 address of interface */
+        int             ipv6mr_ifindex;
+};
+
+#define ipv6mr_acaddr   ipv6mr_multiaddr
+
+struct in6_flowlabel_req {
+        struct in6_addr flr_dst;
+        __be32  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 definitions 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     */
+#define IPPROTO_MH              135     /* IPv6 mobility header         */
+
+/*
+ *      IPv6 TLV options.
+ */
+#define IPV6_TLV_PAD1           0
+#define IPV6_TLV_PADN           1
+#define IPV6_TLV_ROUTERALERT    5
+#define IPV6_TLV_JUMBO          194
+#define IPV6_TLV_HAO            201     /* home address option */
+
+/*
+ *      IPV6 socket options
+ */
+
+#define IPV6_ADDRFORM           1
+#define IPV6_2292PKTINFO        2
+#define IPV6_2292HOPOPTS        3
+#define IPV6_2292DSTOPTS        4
+#define IPV6_2292RTHDR          5
+#define IPV6_2292PKTOPTIONS     6
+#define IPV6_CHECKSUM           7
+#define IPV6_2292HOPLIMIT       8
+#define IPV6_NEXTHOP            9
+#define IPV6_AUTHHDR            10      /* obsolete */
+#define IPV6_FLOWINFO           11
+
+#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
+#define IPV6_V6ONLY             26
+#define IPV6_JOIN_ANYCAST       27
+#define IPV6_LEAVE_ANYCAST      28
+
+/* IPV6_MTU_DISCOVER values */
+#define IPV6_PMTUDISC_DONT              0
+#define IPV6_PMTUDISC_WANT              1
+#define IPV6_PMTUDISC_DO                2
+#define IPV6_PMTUDISC_PROBE             3
+
+/* Flowlabel */
+#define IPV6_FLOWLABEL_MGR      32
+#define IPV6_FLOWINFO_SEND      33
+
+#define IPV6_IPSEC_POLICY       34
+#define IPV6_XFRM_POLICY        35
+
+/*
+ * Multicast:
+ * Following socket options are shared between IPv4 and IPv6.
+ *
+ * MCAST_JOIN_GROUP             42
+ * MCAST_BLOCK_SOURCE           43
+ * MCAST_UNBLOCK_SOURCE         44
+ * MCAST_LEAVE_GROUP            45
+ * MCAST_JOIN_SOURCE_GROUP      46
+ * MCAST_LEAVE_SOURCE_GROUP     47
+ * MCAST_MSFILTER               48
+ */
+
+/*
+ * Advanced API (RFC3542) (1)
+ *
+ * Note: IPV6_RECVRTHDRDSTOPTS does not exist. see net/ipv6/datagram.c.
+ */
+
+#define IPV6_RECVPKTINFO        49
+#define IPV6_PKTINFO            50
+#define IPV6_RECVHOPLIMIT       51
+#define IPV6_HOPLIMIT           52
+#define IPV6_RECVHOPOPTS        53
+#define IPV6_HOPOPTS            54
+#define IPV6_RTHDRDSTOPTS       55
+#define IPV6_RECVRTHDR          56
+#define IPV6_RTHDR              57
+#define IPV6_RECVDSTOPTS        58
+#define IPV6_DSTOPTS            59
+#define IPV6_RECVPATHMTU        60
+#define IPV6_PATHMTU            61
+#define IPV6_DONTFRAG           62
+#if 0   /* not yet */
+#define IPV6_USE_MIN_MTU        63
+#endif
+
+/*
+ * Netfilter (1)
+ *
+ * Following socket options are used in ip6_tables;
+ * see include/linux/netfilter_ipv6/ip6_tables.h.
+ *
+ * IP6T_SO_SET_REPLACE / IP6T_SO_GET_INFO               64
+ * IP6T_SO_SET_ADD_COUNTERS / IP6T_SO_GET_ENTRIES       65
+ */
+
+/*
+ * Advanced API (RFC3542) (2)
+ */
+#define IPV6_RECVTCLASS         66
+#define IPV6_TCLASS             67
+
+/*
+ * Netfilter (2)
+ *
+ * Following socket options are used in ip6_tables;
+ * see include/linux/netfilter_ipv6/ip6_tables.h.
+ *
+ * IP6T_SO_GET_REVISION_MATCH   68
+ * IP6T_SO_GET_REVISION_TARGET  69
+ */
+
+/* RFC5014: Source address selection */
+#define IPV6_ADDR_PREFERENCES   72
+
+#define IPV6_PREFER_SRC_TMP             0x0001
+#define IPV6_PREFER_SRC_PUBLIC          0x0002
+#define IPV6_PREFER_SRC_PUBTMP_DEFAULT  0x0100
+#define IPV6_PREFER_SRC_COA             0x0004
+#define IPV6_PREFER_SRC_HOME            0x0400
+#define IPV6_PREFER_SRC_CGA             0x0008
+#define IPV6_PREFER_SRC_NONCGA          0x0800
+
+/* RFC5082: Generalized Ttl Security Mechanism */
+#define IPV6_MINHOPCOUNT                73
+
+#define IPV6_ORIGDSTADDR        74
+#define IPV6_RECVORIGDSTADDR    IPV6_ORIGDSTADDR
+#define IPV6_TRANSPARENT        75
+#define IPV6_UNICAST_IF         76
+
+/*
+ * Multicast Routing:
+ * see include/linux/mroute6.h.
+ *
+ * MRT6_INIT                    200
+ * MRT6_DONE                    201
+ * MRT6_ADD_MIF                 202
+ * MRT6_DEL_MIF                 203
+ * MRT6_ADD_MFC                 204
+ * MRT6_DEL_MFC                 205
+ * MRT6_VERSION                 206
+ * MRT6_ASSERT                  207
+ * MRT6_PIM                     208
+ * (reserved)                   209
+ */
+#endif /* _UAPI_LINUX_IN6_H */