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Diffstat (limited to 'pfinet/linux-inet/ip.h')
| -rw-r--r-- | pfinet/linux-inet/ip.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/pfinet/linux-inet/ip.h b/pfinet/linux-inet/ip.h deleted file mode 100644 index 95954a8c..00000000 --- a/pfinet/linux-inet/ip.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - * 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 module. - * - * Version: @(#)ip.h 1.0.2 05/07/93 - * - * Authors: Ross Biro, <bir7@leland.Stanford.Edu> - * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * Alan Cox, <gw4pts@gw4pts.ampr.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 _IP_H -#define _IP_H - - -#include <linux/ip.h> -#include <linux/config.h> - -#ifndef _SNMP_H -#include "snmp.h" -#endif - -#include "sock.h" /* struct sock */ - -/* IP flags. */ -#define IP_CE 0x8000 /* Flag: "Congestion" */ -#define IP_DF 0x4000 /* Flag: "Don't Fragment" */ -#define IP_MF 0x2000 /* Flag: "More Fragments" */ -#define IP_OFFSET 0x1FFF /* "Fragment Offset" part */ - -#define IP_FRAG_TIME (30 * HZ) /* fragment lifetime */ - -#ifdef CONFIG_IP_MULTICAST -extern void ip_mc_dropsocket(struct sock *); -extern void ip_mc_dropdevice(struct device *dev); -extern int ip_mc_procinfo(char *, char **, off_t, int); -#define MULTICAST(x) (IN_MULTICAST(htonl(x))) -#endif - - -/* Describe an IP fragment. */ -struct ipfrag { - int offset; /* offset of fragment in IP datagram */ - int end; /* last byte of data in datagram */ - int len; /* length of this fragment */ - struct sk_buff *skb; /* complete received fragment */ - unsigned char *ptr; /* pointer into real fragment data */ - struct ipfrag *next; /* linked list pointers */ - struct ipfrag *prev; -}; - -/* Describe an entry in the "incomplete datagrams" queue. */ -struct ipq { - unsigned char *mac; /* pointer to MAC header */ - struct iphdr *iph; /* pointer to IP header */ - int len; /* total length of original datagram */ - short ihlen; /* length of the IP header */ - short maclen; /* length of the MAC header */ - struct timer_list timer; /* when will this queue expire? */ - struct ipfrag *fragments; /* linked list of received fragments */ - struct ipq *next; /* linked list pointers */ - struct ipq *prev; - struct device *dev; /* Device - for icmp replies */ -}; - - -extern int backoff(int n); - -extern void ip_print(const struct iphdr *ip); -extern int ip_ioctl(struct sock *sk, int cmd, - unsigned long arg); -extern void ip_route_check(unsigned long daddr); -extern int ip_build_header(struct sk_buff *skb, - unsigned long saddr, - unsigned long daddr, - struct device **dev, int type, - struct options *opt, int len, - int tos,int ttl); -extern unsigned short ip_compute_csum(unsigned char * buff, int len); -extern int ip_rcv(struct sk_buff *skb, struct device *dev, - struct packet_type *pt); -extern void ip_send_check(struct iphdr *ip); -extern int ip_id_count; -extern void ip_queue_xmit(struct sock *sk, - struct device *dev, struct sk_buff *skb, - int free); -extern int ip_setsockopt(struct sock *sk, int level, int optname, char *optval, int optlen); -extern int ip_getsockopt(struct sock *sk, int level, int optname, char *optval, int *optlen); -extern void ip_init(void); - -extern struct ip_mib ip_statistics; - -/* - * This is a version of ip_compute_csum() optimized for IP headers, which - * always checksum on 4 octet boundaries. - * Used by ip.c and slhc.c (the net driver module) - * (Moved to here by bj0rn@blox.se) - */ - -static inline unsigned short ip_fast_csum(unsigned char * buff, int wlen) -{ - unsigned long sum = 0; - - if (wlen) - { - unsigned long bogus; - __asm__("clc\n" - "1:\t" - "lodsl\n\t" - "adcl %3, %0\n\t" - "decl %2\n\t" - "jne 1b\n\t" - "adcl $0, %0\n\t" - "movl %0, %3\n\t" - "shrl $16, %3\n\t" - "addw %w3, %w0\n\t" - "adcw $0, %w0" - : "=r" (sum), "=S" (buff), "=r" (wlen), "=a" (bogus) - : "0" (sum), "1" (buff), "2" (wlen)); - } - return (~sum) & 0xffff; -} -#endif /* _IP_H */ |