summaryrefslogtreecommitdiff
path: root/pfinet/glue-include/linux/ipv6.h
diff options
context:
space:
mode:
Diffstat (limited to 'pfinet/glue-include/linux/ipv6.h')
-rw-r--r--pfinet/glue-include/linux/ipv6.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/pfinet/glue-include/linux/ipv6.h b/pfinet/glue-include/linux/ipv6.h
index 374f9b1e..5a1604a3 100644
--- a/pfinet/glue-include/linux/ipv6.h
+++ b/pfinet/glue-include/linux/ipv6.h
@@ -1 +1,117 @@
+#ifndef _IPV6_H
+#define _IPV6_H
+
#include <linux/in6.h>
+#include <asm/byteorder.h>
+
+/* The latest drafts declared increase in minimal mtu up to 1280. */
+
+#define IPV6_MIN_MTU 1280
+
+/*
+ * Advanced API
+ * source interface/address selection, source routing, etc...
+ * *under construction*
+ */
+
+
+struct in6_ifreq {
+ struct in6_addr ifr6_addr;
+ __u32 ifr6_prefixlen;
+ int ifr6_ifindex;
+};
+
+#define IPV6_SRCRT_STRICT 0x01 /* this hop must be a neighbor */
+#define IPV6_SRCRT_TYPE_0 0 /* IPv6 type 0 Routing Header */
+
+/*
+ * routing header
+ */
+struct ipv6_rt_hdr {
+ __u8 nexthdr;
+ __u8 hdrlen;
+ __u8 type;
+ __u8 segments_left;
+
+ /*
+ * type specific data
+ * variable length field
+ */
+};
+
+
+struct ipv6_opt_hdr {
+ __u8 nexthdr;
+ __u8 hdrlen;
+ /*
+ * TLV encoded option data follows.
+ */
+};
+
+#define ipv6_destopt_hdr ipv6_opt_hdr
+#define ipv6_hopopt_hdr ipv6_opt_hdr
+
+#ifdef __KERNEL__
+#define ipv6_optlen(p) (((p)->hdrlen+1) << 3)
+#endif
+
+/*
+ * routing header type 0 (used in cmsghdr struct)
+ */
+
+struct rt0_hdr {
+ struct ipv6_rt_hdr rt_hdr;
+ __u32 bitmap; /* strict/loose bit map */
+ struct in6_addr addr[0];
+
+#define rt0_type rt_hdr.type;
+};
+
+/*
+ * IPv6 fixed header
+ *
+ * BEWARE, it is incorrect. The first 4 bits of flow_lbl
+ * are glued to priority now, forming "class".
+ */
+
+struct ipv6hdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 priority:4,
+ version:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ __u8 version:4,
+ priority:4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+ __u8 flow_lbl[3];
+
+ __u16 payload_len;
+ __u8 nexthdr;
+ __u8 hop_limit;
+
+ struct in6_addr saddr;
+ struct in6_addr daddr;
+};
+
+#ifdef __KERNEL__
+
+/*
+ This structure contains results of exthdrs parsing
+ as offsets from skb->nh.
+ */
+
+struct inet6_skb_parm
+{
+ int iif;
+ __u16 ra;
+ __u16 hop;
+ __u16 auth;
+ __u16 dst0;
+ __u16 srcrt;
+ __u16 dst1;
+};
+
+#endif
+
+#endif