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-rw-r--r--include/linux/in6.h201
1 files changed, 201 insertions, 0 deletions
diff --git a/include/linux/in6.h b/include/linux/in6.h
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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
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