entered into RCS

9 files changed, 1011 insertions, 0 deletions

diff --git a/pfinet/linux/if.h b/pfinet/linux/if.h
new file mode 100644
index 00000000..cb6b4e05
--- /dev/null
+++ b/pfinet/linux/if.h
@@ -0,0 +1,156 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Global definitions for the INET interface module.
+ *
+ * Version:	@(#)if.h	1.0.2	04/18/93
+ *
+ * Authors:	Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988
+ *		Ross Biro, <bir7@leland.Stanford.Edu>
+ *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *		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_IF_H
+#define _LINUX_IF_H
+
+#include <linux/types.h>		/* for "caddr_t" et al		*/
+#include <linux/socket.h>		/* for "struct sockaddr" et al	*/
+
+/* Standard interface flags. */
+#define	IFF_UP		0x1		/* interface is up		*/
+#define	IFF_BROADCAST	0x2		/* broadcast address valid	*/
+#define	IFF_DEBUG	0x4		/* turn on debugging		*/
+#define	IFF_LOOPBACK	0x8		/* is a loopback net		*/
+#define	IFF_POINTOPOINT	0x10		/* interface is has p-p link	*/
+#define	IFF_NOTRAILERS	0x20		/* avoid use of trailers	*/
+#define	IFF_RUNNING	0x40		/* resources allocated		*/
+#define	IFF_NOARP	0x80		/* no ARP protocol		*/
+#define	IFF_PROMISC	0x100		/* receive all packets		*/
+/* Not supported */
+#define	IFF_ALLMULTI	0x200		/* receive all multicast packets*/
+
+#define IFF_MASTER	0x400		/* master of a load balancer 	*/
+#define IFF_SLAVE	0x800		/* slave of a load balancer	*/
+
+#define IFF_MULTICAST	0x1000		/* Supports multicast		*/
+
+/*
+ * The ifaddr structure contains information about one address
+ * of an interface.  They are maintained by the different address
+ * families, are allocated and attached when an address is set,
+ * and are linked together so all addresses for an interface can
+ * be located.
+ */
+ 
+struct ifaddr 
+{
+	struct sockaddr	ifa_addr;	/* address of interface		*/
+	union {
+		struct sockaddr	ifu_broadaddr;
+		struct sockaddr	ifu_dstaddr;
+	} ifa_ifu;
+	struct iface		*ifa_ifp;	/* back-pointer to interface	*/
+	struct ifaddr		*ifa_next;	/* next address for interface	*/
+};
+
+#define	ifa_broadaddr	ifa_ifu.ifu_broadaddr	/* broadcast address	*/
+#define	ifa_dstaddr	ifa_ifu.ifu_dstaddr	/* other end of link	*/
+
+/*
+ *	Device mapping structure. I'd just gone off and designed a 
+ *	beautiful scheme using only loadable modules with arguments
+ *	for driver options and along come the PCMCIA people 8)
+ *
+ *	Ah well. The get() side of this is good for WDSETUP, and it'll
+ *	be handy for debugging things. The set side is fine for now and
+ *	being very small might be worth keeping for clean configuration.
+ */
+
+struct ifmap 
+{
+	unsigned long mem_start;
+	unsigned long mem_end;
+	unsigned short base_addr; 
+	unsigned char irq;
+	unsigned char dma;
+	unsigned char port;
+	/* 3 bytes spare */
+};
+
+/*
+ * Interface request structure used for socket
+ * ioctl's.  All interface ioctl's must have parameter
+ * definitions which begin with ifr_name.  The
+ * remainder may be interface specific.
+ */
+
+struct ifreq 
+{
+#define IFHWADDRLEN	6
+#define	IFNAMSIZ	16
+	union
+	{
+		char	ifrn_name[IFNAMSIZ];		/* if name, e.g. "en0" */
+		char	ifrn_hwaddr[IFHWADDRLEN];	/* Obsolete */
+	} ifr_ifrn;
+	
+	union {
+		struct	sockaddr ifru_addr;
+		struct	sockaddr ifru_dstaddr;
+		struct	sockaddr ifru_broadaddr;
+		struct	sockaddr ifru_netmask;
+		struct  sockaddr ifru_hwaddr;
+		short	ifru_flags;
+		int	ifru_metric;
+		int	ifru_mtu;
+		struct  ifmap ifru_map;
+		char	ifru_slave[IFNAMSIZ];	/* Just fits the size */
+		caddr_t	ifru_data;
+	} ifr_ifru;
+};
+
+#define ifr_name	ifr_ifrn.ifrn_name	/* interface name 	*/
+#define old_ifr_hwaddr	ifr_ifrn.ifrn_hwaddr	/* interface hardware   */
+#define ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address 		*/
+#define	ifr_addr	ifr_ifru.ifru_addr	/* address		*/
+#define	ifr_dstaddr	ifr_ifru.ifru_dstaddr	/* other end of p-p lnk	*/
+#define	ifr_broadaddr	ifr_ifru.ifru_broadaddr	/* broadcast address	*/
+#define	ifr_netmask	ifr_ifru.ifru_netmask	/* interface net mask	*/
+#define	ifr_flags	ifr_ifru.ifru_flags	/* flags		*/
+#define	ifr_metric	ifr_ifru.ifru_metric	/* metric		*/
+#define	ifr_mtu		ifr_ifru.ifru_mtu	/* mtu			*/
+#define ifr_map		ifr_ifru.ifru_map	/* device map		*/
+#define ifr_slave	ifr_ifru.ifru_slave	/* slave device		*/
+#define	ifr_data	ifr_ifru.ifru_data	/* for use by interface	*/
+
+/*
+ * Structure used in SIOCGIFCONF request.
+ * Used to retrieve interface configuration
+ * for machine (useful for programs which
+ * must know all networks accessible).
+ */
+
+struct ifconf 
+{
+	int	ifc_len;			/* size of buffer	*/
+	union 
+	{
+		caddr_t	ifcu_buf;
+		struct	ifreq *ifcu_req;
+	} ifc_ifcu;
+};
+#define	ifc_buf	ifc_ifcu.ifcu_buf		/* buffer address	*/
+#define	ifc_req	ifc_ifcu.ifcu_req		/* array of structures	*/
+
+
+/* BSD UNIX expects to find these here, so here we go: */
+#include <linux/if_arp.h>
+#include <linux/route.h>
+
+#endif /* _NET_IF_H */
diff --git a/pfinet/linux/if_arp.h b/pfinet/linux/if_arp.h
new file mode 100644
index 00000000..75f86b61
--- /dev/null
+++ b/pfinet/linux/if_arp.h
@@ -0,0 +1,91 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Global definitions for the ARP (RFC 826) protocol.
+ *
+ * Version:	@(#)if_arp.h	1.0.1	04/16/93
+ *
+ * Authors:	Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
+ *		Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source.
+ *		Ross Biro, <bir7@leland.Stanford.Edu>
+ *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *		Florian La Roche.
+ *
+ *		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_IF_ARP_H
+#define _LINUX_IF_ARP_H
+
+/* ARP protocol HARDWARE identifiers. */
+#define ARPHRD_NETROM	0		/* from KA9Q: NET/ROM pseudo	*/
+#define ARPHRD_ETHER 	1		/* Ethernet 10Mbps		*/
+#define	ARPHRD_EETHER	2		/* Experimental Ethernet	*/
+#define	ARPHRD_AX25	3		/* AX.25 Level 2		*/
+#define	ARPHRD_PRONET	4		/* PROnet token ring		*/
+#define	ARPHRD_CHAOS	5		/* Chaosnet			*/
+#define	ARPHRD_IEEE802	6		/* IEEE 802.2 Ethernet- huh?	*/
+#define	ARPHRD_ARCNET	7		/* ARCnet			*/
+#define	ARPHRD_APPLETLK	8		/* APPLEtalk			*/
+/* Dummy types for non ARP hardware */
+#define ARPHRD_SLIP	256
+#define ARPHRD_CSLIP	257
+#define ARPHRD_SLIP6	258
+#define ARPHRD_CSLIP6	259
+#define ARPHRD_RSRVD	260		/* Notional KISS type 		*/
+#define ARPHRD_ADAPT	264
+#define ARPHRD_PPP	512
+#define ARPHRD_TUNNEL	768		/* IPIP tunnel			*/
+
+/* ARP protocol opcodes. */
+#define	ARPOP_REQUEST	1		/* ARP request			*/
+#define	ARPOP_REPLY	2		/* ARP reply			*/
+#define	ARPOP_RREQUEST	3		/* RARP request			*/
+#define	ARPOP_RREPLY	4		/* RARP reply			*/
+
+
+/* ARP ioctl request. */
+struct arpreq {
+  struct sockaddr	arp_pa;		/* protocol address		*/
+  struct sockaddr	arp_ha;		/* hardware address		*/
+  int			arp_flags;	/* flags			*/
+  struct sockaddr       arp_netmask;    /* netmask (only for proxy arps) */
+};
+
+/* ARP Flag values. */
+#define ATF_COM		0x02		/* completed entry (ha valid)	*/
+#define	ATF_PERM	0x04		/* permanent entry		*/
+#define	ATF_PUBL	0x08		/* publish entry		*/
+#define	ATF_USETRAILERS	0x10		/* has requested trailers	*/
+#define ATF_NETMASK     0x20            /* want to use a netmask (only
+					   for proxy entries) */
+
+/*
+ *	This structure defines an ethernet arp header.
+ */
+
+struct arphdr
+{
+	unsigned short	ar_hrd;		/* format of hardware address	*/
+	unsigned short	ar_pro;		/* format of protocol address	*/
+	unsigned char	ar_hln;		/* length of hardware address	*/
+	unsigned char	ar_pln;		/* length of protocol address	*/
+	unsigned short	ar_op;		/* ARP opcode (command)		*/
+
+#if 0
+	 /*
+	  *	 Ethernet looks like this : This bit is variable sized however...
+	  */
+	unsigned char		ar_sha[ETH_ALEN];	/* sender hardware address	*/
+	unsigned char		ar_sip[4];		/* sender IP address		*/
+	unsigned char		ar_tha[ETH_ALEN];	/* target hardware address	*/
+	unsigned char		ar_tip[4];		/* target IP address		*/
+#endif
+
+};
+
+#endif	/* _LINUX_IF_ARP_H */
diff --git a/pfinet/linux/if_ether.h b/pfinet/linux/if_ether.h
new file mode 100644
index 00000000..b87b1785
--- /dev/null
+++ b/pfinet/linux/if_ether.h
@@ -0,0 +1,80 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Global definitions for the Ethernet IEEE 802.3 interface.
+ *
+ * Version:	@(#)if_ether.h	1.0.1a	02/08/94
+ *
+ * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *		Donald Becker, <becker@super.org>
+ *
+ *		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_IF_ETHER_H
+#define _LINUX_IF_ETHER_H
+
+
+/* IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
+   and FCS/CRC (frame check sequence). */
+#define ETH_ALEN	6		/* Octets in one ethernet addr	 */
+#define ETH_HLEN	14		/* Total octets in header.	 */
+#define ETH_ZLEN	60		/* Min. octets in frame sans FCS */
+#define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
+#define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */
+
+
+/* These are the defined Ethernet Protocol ID's. */
+#define ETH_P_LOOP	0x0060		/* Ethernet Loopback packet	*/
+#define ETH_P_ECHO	0x0200		/* Ethernet Echo packet		*/
+#define ETH_P_PUP	0x0400		/* Xerox PUP packet		*/
+#define ETH_P_IP	0x0800		/* Internet Protocol packet	*/
+#define ETH_P_ARP	0x0806		/* Address Resolution packet	*/
+#define ETH_P_RARP      0x8035		/* Reverse Addr Res packet	*/
+#define ETH_P_X25	0x0805		/* CCITT X.25			*/
+#define ETH_P_ATALK	0x809B		/* Appletalk DDP		*/
+#define ETH_P_IPX	0x8137		/* IPX over DIX			*/
+#define ETH_P_802_3	0x0001		/* Dummy type for 802.3 frames  */
+#define ETH_P_AX25	0x0002		/* Dummy protocol id for AX.25  */
+#define ETH_P_ALL	0x0003		/* Every packet (be careful!!!) */
+#define ETH_P_802_2	0x0004		/* 802.2 frames 		*/
+#define ETH_P_SNAP	0x0005		/* Internal only		*/
+/* This is an Ethernet frame header. */
+struct ethhdr {
+  unsigned char		h_dest[ETH_ALEN];	/* destination eth addr	*/
+  unsigned char		h_source[ETH_ALEN];	/* source ether addr	*/
+  unsigned short	h_proto;		/* packet type ID field	*/
+};
+
+/* Ethernet statistics collection data. */
+struct enet_statistics{
+  int	rx_packets;			/* total packets received	*/
+  int	tx_packets;			/* total packets transmitted	*/
+  int	rx_errors;			/* bad packets received		*/
+  int	tx_errors;			/* packet transmit problems	*/
+  int	rx_dropped;			/* no space in linux buffers	*/
+  int	tx_dropped;			/* no space available in linux	*/
+  int	multicast;			/* multicast packets received	*/
+  int	collisions;
+
+  /* detailed rx_errors: */
+  int	rx_length_errors;
+  int	rx_over_errors;			/* receiver ring buff overflow	*/
+  int	rx_crc_errors;			/* recved pkt with crc error	*/
+  int	rx_frame_errors;		/* recv'd frame alignment error */
+  int	rx_fifo_errors;			/* recv'r fifo overrun		*/
+  int	rx_missed_errors;		/* receiver missed packet	*/
+
+  /* detailed tx_errors */
+  int	tx_aborted_errors;
+  int	tx_carrier_errors;
+  int	tx_fifo_errors;
+  int	tx_heartbeat_errors;
+  int	tx_window_errors;
+};
+
+#endif	/* _LINUX_IF_ETHER_H */
diff --git a/pfinet/linux/igmp.h b/pfinet/linux/igmp.h
new file mode 100644
index 00000000..6ca7e019
--- /dev/null
+++ b/pfinet/linux/igmp.h
@@ -0,0 +1,67 @@
+/*
+ *	Linux NET3:	Internet Gateway Management Protocol  [IGMP]
+ *
+ *	Authors:
+ *		Alan Cox <Alan.Cox@linux.org>	
+ *
+ *
+ *	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_IGMP_H
+#define _LINUX_IGMP_H
+
+/*
+ *	IGMP protocol structures
+ */
+
+struct igmphdr
+{
+	unsigned char type;
+	unsigned char unused;
+	unsigned short csum;
+	unsigned long group;
+};
+
+#define IGMP_HOST_MEMBERSHIP_QUERY	0x11	/* From RFC1112 */
+#define IGMP_HOST_MEMBERSHIP_REPORT	0x12	/* Ditto */
+#define IGMP_HOST_LEAVE_MESSAGE		0x17	/* An extra BSD seems to send */
+
+				/* 224.0.0.1 */
+#define IGMP_ALL_HOSTS		htonl(0xE0000001L)
+
+/*
+ * struct for keeping the multicast list in
+ */
+
+#ifdef __KERNEL__
+struct ip_mc_socklist
+{
+	unsigned long multiaddr[IP_MAX_MEMBERSHIPS];	/* This is a speed trade off */
+	struct device *multidev[IP_MAX_MEMBERSHIPS];
+};
+
+struct ip_mc_list 
+{
+	struct device *interface;
+	unsigned long multiaddr;
+	struct ip_mc_list *next;
+	struct timer_list timer;
+	int tm_running;
+	int users;
+};
+ 
+extern struct ip_mc_list *ip_mc_head;
+
+
+extern int igmp_rcv(struct sk_buff *, struct device *, struct options *, unsigned long, unsigned short,
+	unsigned long, int , struct inet_protocol *);
+extern void ip_mc_drop_device(struct device *dev); 
+extern int ip_mc_join_group(struct sock *sk, struct device *dev, unsigned long addr);
+extern int ip_mc_leave_group(struct sock *sk, struct device *dev,unsigned long addr);
+extern void ip_mc_drop_socket(struct sock *sk);
+#endif
+#endif
diff --git a/pfinet/linux/ip.h b/pfinet/linux/ip.h
new file mode 100644
index 00000000..bcc1bdea
--- /dev/null
+++ b/pfinet/linux/ip.h
@@ -0,0 +1,121 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Definitions for the IP protocol.
+ *
+ * Version:	@(#)ip.h	1.0.2	04/28/93
+ *
+ * Authors:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *		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_IP_H
+#define _LINUX_IP_H
+
+
+#define IPOPT_END	0
+#define IPOPT_NOOP	1
+#define IPOPT_SEC	130
+#define IPOPT_LSRR	131
+#define IPOPT_SSRR	137
+#define IPOPT_RR	7
+#define IPOPT_SID	136
+#define IPOPT_TIMESTAMP	68
+
+
+#define MAXTTL		255
+
+struct timestamp {
+	__u8	len;
+	__u8	ptr;
+	union {
+#if defined(__i386__)
+	__u8	flags:4,
+		overflow:4;
+#elif defined(__mc68000__)
+	__u8	overflow:4,
+		flags:4;
+#elif defined(__MIPSEL__) 
+	__u8	flags:4,
+		overflow:4;
+#elif defined(__MIPSEB__)
+	__u8	overflow:4,
+		flags:4;
+#elif defined(__alpha__)
+	__u8	flags:4,
+		overflow:4;
+#elif defined(__sparc__)
+	__u8	overflow:4,
+		flags:4;
+#else
+#error	"Adjust this structure to match your CPU"
+#endif						
+	__u8	full_char;
+	} x;
+	__u32	data[9];
+};
+
+
+#define MAX_ROUTE	16
+
+struct route {
+  char		route_size;
+  char		pointer;
+  unsigned long route[MAX_ROUTE];
+};
+
+
+struct options {
+  struct route		record_route;
+  struct route		loose_route;
+  struct route		strict_route;
+  struct timestamp	tstamp;
+  unsigned short	security;
+  unsigned short	compartment;
+  unsigned short	handling;
+  unsigned short	stream;
+  unsigned		tcc;
+};
+
+
+struct iphdr {
+#if defined(__i386__)
+	__u8	ihl:4,
+		version:4;
+#elif defined (__mc68000__)
+	__u8	version:4,
+  		ihl:4;
+#elif defined(__MIPSEL__)
+	__u8	ihl:4,
+		version:4;
+#elif defined(__MIPSEB__)
+	__u8	version:4,
+  		ihl:4;
+#elif defined(__alpha__)
+	__u8	ihl:4,
+		version:4;
+#elif defined (__sparc__)
+	__u8	version:4,
+  		ihl:4;
+#else
+#error "Adjust this structure to match your CPU"
+#endif
+	__u8	tos;
+	__u16	tot_len;
+	__u16	id;
+	__u16	frag_off;
+	__u8	ttl;
+	__u8	protocol;
+	__u16	check;
+	__u32	saddr;
+	__u32	daddr;
+	/*The options start here. */
+};
+
+
+#endif	/* _LINUX_IP_H */
diff --git a/pfinet/linux/route.h b/pfinet/linux/route.h
new file mode 100644
index 00000000..3cadd206
--- /dev/null
+++ b/pfinet/linux/route.h
@@ -0,0 +1,69 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Global definitions for the IP router interface.
+ *
+ * Version:	@(#)route.h	1.0.3	05/27/93
+ *
+ * Authors:	Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
+ *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *		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_ROUTE_H
+#define _LINUX_ROUTE_H
+
+#include <linux/if.h>
+
+
+/* This structure gets passed by the SIOCADDRTOLD and SIOCDELRTOLD calls. */
+
+struct old_rtentry {
+	unsigned long	rt_genmask;
+	struct sockaddr	rt_dst;
+	struct sockaddr	rt_gateway;
+	short		rt_flags;
+	short		rt_refcnt;
+	unsigned long	rt_use;
+	char		*rt_dev; 
+};
+
+/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
+struct rtentry {
+	unsigned long	rt_hash;	/* hash key for lookups		*/
+	struct sockaddr	rt_dst;		/* target address		*/
+	struct sockaddr	rt_gateway;	/* gateway addr (RTF_GATEWAY)	*/
+	struct sockaddr	rt_genmask;	/* target network mask (IP)	*/
+	short		rt_flags;
+	short		rt_refcnt;
+	unsigned long	rt_use;
+	struct ifnet	*rt_ifp;
+	short		rt_metric;	/* +1 for binary compatibility!	*/
+	char		*rt_dev;	/* forcing the device at add	*/
+	unsigned long	rt_mss;		/* per route MTU/Window */
+	unsigned long	rt_window;	/* Window clamping */
+};
+
+
+#define	RTF_UP		0x0001		/* route usable		  */
+#define	RTF_GATEWAY	0x0002		/* destination is a gateway	  */
+#define	RTF_HOST	0x0004		/* host entry (net otherwise)	  */
+#define RTF_REINSTATE	0x0008		/* reinstate route after tmout	  */
+#define	RTF_DYNAMIC	0x0010		/* created dyn. (by redirect)	  */
+#define	RTF_MODIFIED	0x0020		/* modified dyn. (by redirect)	  */
+#define RTF_MSS		0x0040		/* specific MSS for this route	  */
+#define RTF_WINDOW	0x0080		/* per route window clamping	  */
+
+/*
+ *	REMOVE THESE BY 1.2.0 !!!!!!!!!!!!!!!!!
+ */
+ 
+#define	RTF_MTU		RTF_MSS
+#define rt_mtu		rt_mss		
+
+#endif	/* _LINUX_ROUTE_H */
diff --git a/pfinet/linux/skbuff.h b/pfinet/linux/skbuff.h
new file mode 100644
index 00000000..817f89d7
--- /dev/null
+++ b/pfinet/linux/skbuff.h
@@ -0,0 +1,286 @@
+/*
+ *	Definitions for the 'struct sk_buff' memory handlers.
+ *
+ *	Authors:
+ *		Alan Cox, <gw4pts@gw4pts.ampr.org>
+ *		Florian La Roche, <rzsfl@rz.uni-sb.de>
+ *
+ *	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_SKBUFF_H
+#define _LINUX_SKBUFF_H
+#include <linux/malloc.h>
+#include <linux/wait.h>
+#include <linux/time.h>
+#include <linux/config.h>
+
+#undef CONFIG_SKB_CHECK
+
+#define HAVE_ALLOC_SKB		/* For the drivers to know */
+
+
+#define FREE_READ	1
+#define FREE_WRITE	0
+
+
+struct sk_buff_head {
+  struct sk_buff		* volatile next;
+  struct sk_buff		* volatile prev;
+#if CONFIG_SKB_CHECK
+  int				magic_debug_cookie;
+#endif
+};
+
+
+struct sk_buff {
+  struct sk_buff		* volatile next;
+  struct sk_buff		* volatile prev;
+#if CONFIG_SKB_CHECK
+  int				magic_debug_cookie;
+#endif
+  struct sk_buff		* volatile link3;
+  struct sock			*sk;
+  volatile unsigned long	when;	/* used to compute rtt's	*/
+  struct timeval		stamp;
+  struct device			*dev;
+  struct sk_buff		*mem_addr;
+  union {
+	struct tcphdr	*th;
+	struct ethhdr	*eth;
+	struct iphdr	*iph;
+	struct udphdr	*uh;
+	unsigned char	*raw;
+	unsigned long	seq;
+  } h;
+  struct iphdr		*ip_hdr;		/* For IPPROTO_RAW */
+  unsigned long			mem_len;
+  unsigned long 		len;
+  unsigned long			fraglen;
+  struct sk_buff		*fraglist;	/* Fragment list */
+  unsigned long			truesize;
+  unsigned long 		saddr;
+  unsigned long 		daddr;
+  unsigned long			raddr;		/* next hop addr */
+  volatile char 		acked,
+				used,
+				free,
+				arp;
+  unsigned char			tries,lock,localroute,pkt_type;
+#define PACKET_HOST		0		/* To us */
+#define PACKET_BROADCAST	1
+#define PACKET_MULTICAST	2
+#define PACKET_OTHERHOST	3		/* Unmatched promiscuous */
+  unsigned short		users;		/* User count - see datagram.c (and soon seqpacket.c/stream.c) */
+  unsigned short		pkt_class;	/* For drivers that need to cache the packet type with the skbuff (new PPP) */
+#ifdef CONFIG_SLAVE_BALANCING
+  unsigned short		in_dev_queue;
+#endif  
+  unsigned long			padding[0];
+  unsigned char			data[0];
+};
+
+#define SK_WMEM_MAX	32767
+#define SK_RMEM_MAX	32767
+
+#ifdef CONFIG_SKB_CHECK
+#define SK_FREED_SKB	0x0DE2C0DE
+#define SK_GOOD_SKB	0xDEC0DED1
+#define SK_HEAD_SKB	0x12231298
+#endif
+
+#ifdef __KERNEL__
+/*
+ *	Handling routines are only of interest to the kernel
+ */
+
+#include <asm/system.h>
+
+#if 0
+extern void			print_skb(struct sk_buff *);
+#endif
+extern void			kfree_skb(struct sk_buff *skb, int rw);
+extern void			skb_queue_head_init(struct sk_buff_head *list);
+extern void			skb_queue_head(struct sk_buff_head *list,struct sk_buff *buf);
+extern void			skb_queue_tail(struct sk_buff_head *list,struct sk_buff *buf);
+extern struct sk_buff *		skb_dequeue(struct sk_buff_head *list);
+extern void 			skb_insert(struct sk_buff *old,struct sk_buff *newsk);
+extern void			skb_append(struct sk_buff *old,struct sk_buff *newsk);
+extern void			skb_unlink(struct sk_buff *buf);
+extern struct sk_buff *		skb_peek_copy(struct sk_buff_head *list);
+extern struct sk_buff *		alloc_skb(unsigned int size, int priority);
+extern void			kfree_skbmem(struct sk_buff *skb, unsigned size);
+extern struct sk_buff *		skb_clone(struct sk_buff *skb, int priority);
+extern void			skb_device_lock(struct sk_buff *skb);
+extern void			skb_device_unlock(struct sk_buff *skb);
+extern void			dev_kfree_skb(struct sk_buff *skb, int mode);
+extern int			skb_device_locked(struct sk_buff *skb);
+/*
+ *	Peek an sk_buff. Unlike most other operations you _MUST_
+ *	be careful with this one. A peek leaves the buffer on the
+ *	list and someone else may run off with it. For an interrupt
+ *	type system cli() peek the buffer copy the data and sti();
+ */
+static __inline__ struct sk_buff *skb_peek(struct sk_buff_head *list_)
+{
+	struct sk_buff *list = (struct sk_buff *)list_;
+	return (list->next != list)? list->next : NULL;
+}
+
+#if CONFIG_SKB_CHECK
+extern int 			skb_check(struct sk_buff *skb,int,int, char *);
+#define IS_SKB(skb)		skb_check((skb), 0, __LINE__,__FILE__)
+#define IS_SKB_HEAD(skb)	skb_check((skb), 1, __LINE__,__FILE__)
+#else
+#define IS_SKB(skb)		
+#define IS_SKB_HEAD(skb)	
+
+extern __inline__ void skb_queue_head_init(struct sk_buff_head *list)
+{
+	list->prev = (struct sk_buff *)list;
+	list->next = (struct sk_buff *)list;
+}
+
+/*
+ *	Insert an sk_buff at the start of a list.
+ */
+
+extern __inline__ void skb_queue_head(struct sk_buff_head *list_,struct sk_buff *newsk)
+{
+	unsigned long flags;
+	struct sk_buff *list = (struct sk_buff *)list_;
+
+	save_flags(flags);
+	cli();
+	newsk->next = list->next;
+	newsk->prev = list;
+	newsk->next->prev = newsk;
+	newsk->prev->next = newsk;
+	restore_flags(flags);
+}
+
+/*
+ *	Insert an sk_buff at the end of a list.
+ */
+
+extern __inline__ void skb_queue_tail(struct sk_buff_head *list_, struct sk_buff *newsk)
+{
+	unsigned long flags;
+	struct sk_buff *list = (struct sk_buff *)list_;
+
+	save_flags(flags);
+	cli();
+
+	newsk->next = list;
+	newsk->prev = list->prev;
+
+	newsk->next->prev = newsk;
+	newsk->prev->next = newsk;
+
+	restore_flags(flags);
+}
+
+/*
+ *	Remove an sk_buff from a list. This routine is also interrupt safe
+ *	so you can grab read and free buffers as another process adds them.
+ */
+
+extern __inline__ struct sk_buff *skb_dequeue(struct sk_buff_head *list_)
+{
+	long flags;
+	struct sk_buff *result;
+	struct sk_buff *list = (struct sk_buff *)list_;
+
+	save_flags(flags);
+	cli();
+
+	result = list->next;
+	if (result == list) {
+		restore_flags(flags);
+		return NULL;
+	}
+
+	result->next->prev = list;
+	list->next = result->next;
+
+	result->next = NULL;
+	result->prev = NULL;
+
+	restore_flags(flags);
+
+	return result;
+}
+
+/*
+ *	Insert a packet before another one in a list.
+ */
+
+extern __inline__ void skb_insert(struct sk_buff *old, struct sk_buff *newsk)
+{
+	unsigned long flags;
+
+	save_flags(flags);
+	cli();
+	newsk->next = old;
+	newsk->prev = old->prev;
+	old->prev = newsk;
+	newsk->prev->next = newsk;
+
+	restore_flags(flags);
+}
+
+/*
+ *	Place a packet after a given packet in a list.
+ */
+
+extern __inline__ void skb_append(struct sk_buff *old, struct sk_buff *newsk)
+{
+	unsigned long flags;
+
+	save_flags(flags);
+	cli();
+
+	newsk->prev = old;
+	newsk->next = old->next;
+	newsk->next->prev = newsk;
+	old->next = newsk;
+
+	restore_flags(flags);
+}
+
+/*
+ *	Remove an sk_buff from its list. Works even without knowing the list it
+ *	is sitting on, which can be handy at times. It also means that THE LIST
+ *	MUST EXIST when you unlink. Thus a list must have its contents unlinked
+ *	_FIRST_.
+ */
+
+extern __inline__ void skb_unlink(struct sk_buff *skb)
+{
+	unsigned long flags;
+
+	save_flags(flags);
+	cli();
+
+	if(skb->prev && skb->next)
+	{
+		skb->next->prev = skb->prev;
+		skb->prev->next = skb->next;
+		skb->next = NULL;
+		skb->prev = NULL;
+	}
+	restore_flags(flags);
+}
+
+#endif
+
+extern struct sk_buff *		skb_recv_datagram(struct sock *sk,unsigned flags,int noblock, int *err);
+extern int			datagram_select(struct sock *sk, int sel_type, select_table *wait);
+extern void			skb_copy_datagram(struct sk_buff *from, int offset, char *to,int size);
+extern void			skb_free_datagram(struct sk_buff *skb);
+
+#endif	/* __KERNEL__ */
+#endif	/* _LINUX_SKBUFF_H */
diff --git a/pfinet/linux/tcp.h b/pfinet/linux/tcp.h
new file mode 100644
index 00000000..32ef0ad1
--- /dev/null
+++ b/pfinet/linux/tcp.h
@@ -0,0 +1,112 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Definitions for the TCP protocol.
+ *
+ * Version:	@(#)tcp.h	1.0.2	04/28/93
+ *
+ * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *		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_TCP_H
+#define _LINUX_TCP_H
+
+
+#define HEADER_SIZE	64		/* maximum header size		*/
+
+
+struct tcphdr {
+	__u16	source;
+	__u16	dest;
+	__u32	seq;
+	__u32	ack_seq;
+#if defined(__i386__)
+	__u16	res1:4,
+		doff:4,
+		fin:1,
+		syn:1,
+		rst:1,
+		psh:1,
+		ack:1,
+		urg:1,
+		res2:2;
+#elif defined(__mc68000__)
+	__u16	res2:2,
+		urg:1,
+		ack:1,
+		psh:1,
+		rst:1,
+		syn:1,
+		fin:1,
+		doff:4,
+		res1:4;
+#elif defined(__MIPSEL__)
+	__u16	res1:4,
+		doff:4,
+		fin:1,
+		syn:1,
+		rst:1,
+		psh:1,
+		ack:1,
+		urg:1,
+		res2:2;
+#elif defined(__MIPSEB__)
+	__u16	res2:2,
+		urg:1,
+		ack:1,
+		psh:1,
+		rst:1,
+		syn:1,
+		fin:1,
+		doff:4,
+		res1:4;
+#elif defined(__alpha__)
+	__u16	res1:4,
+		doff:4,
+		fin:1,
+		syn:1,
+		rst:1,
+		psh:1,
+		ack:1,
+		urg:1,
+		res2:2;
+#elif defined(__sparc__)
+	__u16	res2:2,
+		urg:1,
+		ack:1,
+		psh:1,
+		rst:1,
+		syn:1,
+		fin:1,
+		doff:4,
+		res1:4;
+#else
+#error	"Adjust this structure for your cpu alignment rules"
+#endif	
+	__u16	window;
+	__u16	check;
+	__u16	urg_ptr;
+};
+
+
+enum {
+  TCP_ESTABLISHED = 1,
+  TCP_SYN_SENT,
+  TCP_SYN_RECV,
+  TCP_FIN_WAIT1,
+  TCP_FIN_WAIT2,
+  TCP_TIME_WAIT,
+  TCP_CLOSE,
+  TCP_CLOSE_WAIT,
+  TCP_LAST_ACK,
+  TCP_LISTEN,
+  TCP_CLOSING	/* now a valid state */
+};
+
+#endif	/* _LINUX_TCP_H */
diff --git a/pfinet/linux/udp.h b/pfinet/linux/udp.h
new file mode 100644
index 00000000..471301a2
--- /dev/null
+++ b/pfinet/linux/udp.h
@@ -0,0 +1,29 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Definitions for the UDP protocol.
+ *
+ * Version:	@(#)udp.h	1.0.2	04/28/93
+ *
+ * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *		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_UDP_H
+#define _LINUX_UDP_H
+
+
+struct udphdr {
+  unsigned short	source;
+  unsigned short	dest;
+  unsigned short	len;
+  unsigned short	check;
+};
+
+
+#endif	/* _LINUX_UDP_H */