first few files of NRL ipv6. This NRL release was officially exported

to me by US DOD officials, with the crypto already removed.

1 files changed, 189 insertions, 0 deletions

diff --git a/sys/netinet6/in6_var.h b/sys/netinet6/in6_var.h
new file mode 100644
index 00000000000..3052498d387
--- /dev/null
+++ b/sys/netinet6/in6_var.h
@@ -0,0 +1,189 @@
+/*
+%%% copyright-nrl-95
+This software is Copyright 1995-1998 by Randall Atkinson, Ronald Lee,
+Daniel McDonald, Bao Phan, and Chris Winters. All Rights Reserved. All
+rights under this copyright have been assigned to the US Naval Research
+Laboratory (NRL). The NRL Copyright Notice and License Agreement Version
+1.1 (January 17, 1995) applies to this software.
+You should have received a copy of the license with this software. If you
+didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>.
+
+*/
+#ifndef _NETINET6_IN6_VAR_H
+#define _NETINET6_IN6_VAR_H 1
+
+/*
+ * IPv6 interface request and alias request.  Use sockaddr_in6 because
+ * it is larger than sockaddr.
+ */
+
+struct inet6_ifreq
+{
+#ifndef IFNAMSIZ
+#define IFNAMSIZ        16
+#endif /* IFNAMSIZ */
+        char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
+        union {
+                struct  sockaddr_in6 ifru_addr;
+                struct  sockaddr_in6 ifru_dstaddr;
+                struct  sockaddr_in6 ifru_broadaddr;
+                short   ifru_flags;
+                int     ifru_metric;
+                caddr_t ifru_data;
+	      } ifr_ifru;
+#define ifr_addr        ifr_ifru.ifru_addr      /* address */
+#define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
+#define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
+#define ifr_flags       ifr_ifru.ifru_flags     /* flags */
+#define ifr_metric      ifr_ifru.ifru_metric    /* metric */
+#define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
+      };
+
+/*
+ * IPv6 interface "alias" request.  Used to add interface addresses.  This 
+ * may be needed to be expanded to pass down/up permanancy information, and
+ * possibly deprecation lifetime values.  (That is, if the kernel doesn't
+ * compute that stuff itself.)
+ */
+
+struct inet6_aliasreq
+{
+  char ifra_name[IFNAMSIZ];
+  struct sockaddr_in6 ifra_addr;
+  struct sockaddr_in6 ifra_dstaddr;
+#define	ifra_broadaddr ifra_dstaddr
+  struct sockaddr_in6 ifra_mask;
+};
+
+/* ioctl()'s for stuff with inet6_{aliasreq,ifreq}  (gag!) */
+
+#define SIOCDIFADDR_INET6 _IOW('i',25, struct inet6_ifreq)  /* delete IF addr */
+#define SIOCAIFADDR_INET6 _IOW('i',26, struct inet6_aliasreq)/* add/chg IFalias */
+#define SIOCGIFADDR_INET6 _IOWR('i',33, struct inet6_ifreq) /* get ifnet address */
+#define SIOCGIFDSTADDR_INET6 _IOWR('i',34, struct inet6_ifreq) /* get dst address */
+#define SIOCSIFDSTADDR_INET6 _IOW('i', 14, struct inet6_ifreq) /* set dst address */
+#define SIOCGIFNETMASK_INET6 _IOWR('i',37, struct inet6_ifreq) /* get netmask */
+
+#define SIOCVIFADDR_INET6 _IOW('i',69,struct inet6_ifreq) /* Verify IPv6 addr */
+
+/*
+ * INET6 interface address.  This might also serve as the prefix list,
+ * with the help of the I6AF_PREFIX flag.
+ */
+
+struct in6_ifaddr
+{
+  struct ifaddr i6a_ifa; /* protocol-independent info (32 bytes) */
+#define i6a_ifp    i6a_ifa.ifa_ifp
+#ifdef KERNEL
+#define i6a_flags  i6a_ifa.ifa_flags
+#endif
+  
+  /* All sorts of INET6-specific junk, some of it, very similar to IP's
+     in_ifaddr. */
+  
+  /* Put any subnetting, etc here. */
+  
+  struct in6_ifaddr *i6a_next;
+  struct in6_ifnet *i6a_i6ifp;           /* Pointer to IPv6 interface info */
+  struct sockaddr_in6 i6a_addr;          /* Address. */
+  struct sockaddr_in6 i6a_dstaddr;       /* Dest. if PPP link. */
+  struct sockaddr_in6 i6a_sockmask;      /* Netmask.  This is IPv6, so
+					    there is no "subnet/net"
+					    distinction. */
+  
+  /*
+   * IPv6 addresses have lifetimes.  Put in expiration information in
+   * here.  A DEPRECATED address is still valid for inbound, but not for
+   * outbound.  An EXPIRED address is invalid for both inbound and outbound,
+   * and should be put out of its misery (and our in6_ifaddr list) ASAP.
+   */
+  u_long i6a_preferred;                 /* Preferred lifetime. */
+  u_long i6a_expire;                    /* Expiration time. */
+  u_short i6a_preflen;                  /* Prefix length for link-locals
+					   (in bits). */
+  u_short i6a_addrflags;                /* Additional flags because
+					   ifa_flags isn't big enough. */
+};
+
+#define I6A_SIN(i6a) (&(((struct in6_ifaddr *)(i6a))->i6a_addr))
+#define IS_EXPIRED(i6a) ((i6a->i6a_expire != 0 && \
+			  i6a->i6a_expire < time.tv_sec))
+#define IS_DEPRECATED(i6a) ((i6a)->i6a_addrflags & I6AF_DEPRECATED)
+
+#define I6AF_LINKLOC 0x1    /* Link-local address.  Saves the IS_IN6_LINKLOC
+			       check. */
+#define I6AF_PERMANENT 0x2  /* Permanent address */
+#define I6AF_PREFIX 0x4     /* I am a, "prefix list entry," meaning that
+			       the portion of the address inside the mask
+			       is directly attached to the link. */
+#define I6AF_NOTSURE 0x8    /* I'm not sure if I'm allowed to be used yet.
+			       This is designed for use with addresses
+			       that haven't been verified as unique on a
+			       link yet. */
+#define I6AF_DEPRECATED 0x10  /* The use of this address should be discouraged.
+                                 The address should not be used as a source
+                                 address for new communications.  The address
+                                 is still valid for receiving packets.  */
+
+/*
+ * IPv6 multicast structures and macros.
+ */
+
+struct in6_multi
+{
+  struct in6_multi *in6m_next;          /* Ptr. to next one. */
+  struct in6_addr in6m_addr;            /* Multicast address. */
+  struct ifnet *in6m_ifp;               /* Pointer to interface. */
+  struct in6_ifnet *in6m_i6ifp;         /* Back ptr. to IPv6 if info. */
+  uint in6m_refcount;                  /* Number of membership claims by
+					   sockets. */
+  uint in6m_timer;                     /* IGMP membership report timer. */
+};
+
+#ifdef KERNEL
+/* General case IN6 multicast lookup.  Can be optimized out in certain
+   places (like netinet6/ipv6_input.c ?). */
+
+#define IN6_LOOKUP_MULTI(addr,ifp,in6m) \
+{\
+  register struct in6_ifnet *i6ifp;\
+\
+  for (i6ifp=in6_ifnet; i6ifp != NULL && i6ifp->i6ifp_ifp != ifp;\
+       i6ifp=i6ifp->i6ifp_next)\
+   ;\
+  if (i6ifp == NULL)\
+    in6m=NULL;\
+  else\
+    for ((in6m) = i6ifp->i6ifp_multiaddrs;\
+       (in6m) != NULL && !IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr,(addr));\
+       (in6m) = (in6m)->in6m_next) ;\
+}
+
+
+#define IN6_MCASTOPTS 0x2
+
+#define ETHER_MAP_IN6_MULTICAST(in6addr,enaddr) { \
+   (enaddr)[0] = 0x33; \
+   (enaddr)[1] = 0x33; \
+   (enaddr)[2] = in6addr.s6_addr[12]; \
+   (enaddr)[3] = in6addr.s6_addr[13]; \
+   (enaddr)[4] = in6addr.s6_addr[14]; \
+   (enaddr)[5] = in6addr.s6_addr[15]; \
+   }
+
+struct in6_ifnet
+{
+  struct in6_ifnet *i6ifp_next;         /* Next in list. */
+  struct ifnet *i6ifp_ifp;              /* Back pointer to actual interface. */
+  struct in6_multi *i6ifp_multiaddrs;   /* Multicast addresses for this
+					   interface. */
+  uint i6ifp_numaddrs;                 /* Number of IPv6 addresses on this
+					   interface. */
+
+  /* Addrconf and ND variables will go here. */
+};
+
+#endif /* KERNEL */
+
+#endif /* _NETINET6_IN6_VAR_H */