sync with glibc

1 files changed, 100 insertions, 19 deletions

diff --git a/include/netinet/ip6.h b/include/netinet/ip6.h
index c6fc2b31c..0ad62f898 100644
--- a/include/netinet/ip6.h
+++ b/include/netinet/ip6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1997, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1997, 2001, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -47,51 +47,58 @@ struct ip6_hdr
 #define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim
 #define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim
 
+/* Generic extension header.  */
+struct ip6_ext
+  {
+    uint8_t  ip6e_nxt;		/* next header.  */
+    uint8_t  ip6e_len;		/* length in units of 8 octets.  */
+  };
+
 /* Hop-by-Hop options header.  */
 struct ip6_hbh
   {
-    uint8_t  ip6h_nxt;        /* next hesder.  */
-    uint8_t  ip6h_len;        /* length in units of 8 octets.  */
+    uint8_t  ip6h_nxt;		/* next header.  */
+    uint8_t  ip6h_len;		/* length in units of 8 octets.  */
     /* followed by options */
   };
 
 /* Destination options header */
 struct ip6_dest
   {
-    uint8_t  ip6d_nxt;        /* next header */
-    uint8_t  ip6d_len;        /* length in units of 8 octets */
+    uint8_t  ip6d_nxt;		/* next header */
+    uint8_t  ip6d_len;		/* length in units of 8 octets */
     /* followed by options */
   };
 
 /* Routing header */
 struct ip6_rthdr
   {
-    uint8_t  ip6r_nxt;        /* next header */
-    uint8_t  ip6r_len;        /* length in units of 8 octets */
-    uint8_t  ip6r_type;       /* routing type */
-    uint8_t  ip6r_segleft;    /* segments left */
+    uint8_t  ip6r_nxt;		/* next header */
+    uint8_t  ip6r_len;		/* length in units of 8 octets */
+    uint8_t  ip6r_type;		/* routing type */
+    uint8_t  ip6r_segleft;	/* segments left */
     /* followed by routing type specific data */
   };
 
 /* Type 0 Routing header */
 struct ip6_rthdr0
   {
-    uint8_t  ip6r0_nxt;       /* next header */
-    uint8_t  ip6r0_len;       /* length in units of 8 octets */
-    uint8_t  ip6r0_type;      /* always zero */
-    uint8_t  ip6r0_segleft;   /* segments left */
-    uint8_t  ip6r0_reserved;  /* reserved field */
-    uint8_t  ip6r0_slmap[3];  /* strict/loose bit map */
+    uint8_t  ip6r0_nxt;		/* next header */
+    uint8_t  ip6r0_len;		/* length in units of 8 octets */
+    uint8_t  ip6r0_type;	/* always zero */
+    uint8_t  ip6r0_segleft;	/* segments left */
+    uint8_t  ip6r0_reserved;	/* reserved field */
+    uint8_t  ip6r0_slmap[3];	/* strict/loose bit map */
     struct in6_addr  ip6r0_addr[1];  /* up to 23 addresses */
   };
 
 /* Fragment header */
 struct ip6_frag
   {
-    uint8_t   ip6f_nxt;       /* next header */
-    uint8_t   ip6f_reserved;  /* reserved field */
-    uint16_t  ip6f_offlg;     /* offset, reserved, and flag */
-    uint32_t  ip6f_ident;     /* identification */
+    uint8_t   ip6f_nxt;		/* next header */
+    uint8_t   ip6f_reserved;	/* reserved field */
+    uint16_t  ip6f_offlg;	/* offset, reserved, and flag */
+    uint32_t  ip6f_ident;	/* identification */
   };
 
 #if     BYTE_ORDER == BIG_ENDIAN
@@ -104,4 +111,78 @@ struct ip6_frag
 #define IP6F_MORE_FRAG      0x0100  /* more-fragments flag */
 #endif
 
+/* IPv6 options */
+struct ip6_opt
+  {
+    uint8_t  ip6o_type;
+    uint8_t  ip6o_len;
+  };
+
+/* The high-order 3 bits of the option type define the behavior
+ * when processing an unknown option and whether or not the option
+ * content changes in flight.
+ */
+#define IP6OPT_TYPE(o)		((o) & 0xc0)
+#define IP6OPT_TYPE_SKIP	0x00
+#define IP6OPT_TYPE_DISCARD	0x40
+#define IP6OPT_TYPE_FORCEICMP	0x80
+#define IP6OPT_TYPE_ICMP	0xc0
+#define IP6OPT_TYPE_MUTABLE	0x20
+
+/* Special option types for padding.  */
+#define IP6OPT_PAD1	0
+#define IP6OPT_PADN	1
+
+#define IP6OPT_JUMBO		0xc2
+#define IP6OPT_NSAP_ADDR	0xc3
+#define IP6OPT_TUNNEL_LIMIT	0x04
+#define IP6OPT_ROUTER_ALERT	0x05
+
+/* Jumbo Payload Option */
+struct ip6_opt_jumbo
+  {
+    uint8_t  ip6oj_type;
+    uint8_t  ip6oj_len;
+    uint8_t  ip6oj_jumbo_len[4];
+  };
+#define IP6OPT_JUMBO_LEN	6
+
+/* NSAP Address Option */
+struct ip6_opt_nsap
+  {
+    uint8_t  ip6on_type;
+    uint8_t  ip6on_len;
+    uint8_t  ip6on_src_nsap_len;
+    uint8_t  ip6on_dst_nsap_len;
+      /* followed by source NSAP */
+      /* followed by destination NSAP */
+  };
+
+/* Tunnel Limit Option */
+struct ip6_opt_tunnel
+  {
+    uint8_t  ip6ot_type;
+    uint8_t  ip6ot_len;
+    uint8_t  ip6ot_encap_limit;
+  };
+
+/* Router Alert Option */
+struct ip6_opt_router
+  {
+    uint8_t  ip6or_type;
+    uint8_t  ip6or_len;
+    uint8_t  ip6or_value[2];
+  };
+
+/* Router alert values (in network byte order) */
+#if     BYTE_ORDER == BIG_ENDIAN
+# define IP6_ALERT_MLD	0x0000
+# define IP6_ALERT_RSVP	0x0001
+# define IP6_ALERT_AN	0x0002
+#else /* BYTE_ORDER == LITTLE_ENDING */
+# define IP6_ALERT_MLD	0x0000
+# define IP6_ALERT_RSVP	0x0100
+# define IP6_ALERT_AN	0x0200
+#endif
+
 #endif /* netinet/ip6.h */