1 files changed, 201 insertions, 0 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
new file mode 100644
index 000000000000..f8256c582845
--- /dev/null
+++ b/include/linux/in6.h
@@ -0,0 +1,201 @@
+/*
+ *      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 _LINUX_IN6_H
+#define _LINUX_IN6_H
+
+#include <linux/types.h>
+
+/*
+ *      IPv6 address structure
+ */
+
+struct in6_addr
+{
+        union 
+        {
+                __u8            u6_addr8[16];
+                __u16           u6_addr16[8];
+                __u32           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
+ */
+#if 0
+extern const struct in6_addr in6addr_any;
+#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
+#endif
+extern const struct in6_addr in6addr_loopback;
+#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+
+struct sockaddr_in6 {
+        unsigned short int      sin6_family;    /* AF_INET6 */
+        __u16                   sin6_port;      /* Transport layer port # */
+        __u32                   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;
+        __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    5
+#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
+
+#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
+
+/* 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
+ */
+
+#endif