Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 123 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/ipv6.h b/pfinet/linux-src/include/linux/ipv6.h
new file mode 100644
index 00000000..84564bae
--- /dev/null
+++ b/pfinet/linux-src/include/linux/ipv6.h
@@ -0,0 +1,123 @@
+#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_pktinfo {
+	struct in6_addr	ipi6_addr;
+	int		ipi6_ifindex;
+};
+
+
+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