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authorMichael I. Bushnell <mib@gnu.org>1995-08-01 19:41:48 +0000
committerMichael I. Bushnell <mib@gnu.org>1995-08-01 19:41:48 +0000
commit6f712f33c54c12c1c3decacbc1985930639d6282 (patch)
tree46a35a63aeed5eb885cf4013b8b191ab63435f58
parentcf65cc3cd6e9ad52465271221e48e6678c10850c (diff)
entered into RCS
-rw-r--r--pfinet/linux/if.h156
-rw-r--r--pfinet/linux/if_arp.h91
-rw-r--r--pfinet/linux/if_ether.h80
-rw-r--r--pfinet/linux/igmp.h67
-rw-r--r--pfinet/linux/ip.h121
-rw-r--r--pfinet/linux/route.h69
-rw-r--r--pfinet/linux/skbuff.h286
-rw-r--r--pfinet/linux/tcp.h112
-rw-r--r--pfinet/linux/udp.h29
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 */