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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
ip_proto.h
Abstract:
This module contains definitions for STREAMS IP
Author:
Eric Chin (ericc) July 18, 1991
Revision History:
--*/
/******************************************************************
*
* SpiderTCP Interface Primitives
*
* Copyright (c) 1988 Spider Systems Limited
*
* This Source Code is furnished under Licence, and may not be
* copied or distributed without express written agreement.
*
* All rights reserved.
*
* Written by Nick Felisiak, Ian Heavens, Peter Reid,
* Gavin Shearer, Mark Valentine
*
* IP_PROTO.H
*
* IP Streams proto primitives for TCP/IP on V.3/V.4 Streams
*
******************************************************************/
#ifndef _SYS_SNET_IP_PROTO_
#define _SYS_SNET_IP_PROTO_
#ifndef IPOPTS
#define IPOPTS
#endif
#define IP_TX 6 /* tcp/udp send pkt to ip */
#define PROT_RX 8 /* tcp/udp get pkt from ip */
#define IP_PROTQ 9 /* tcp/udp send prot q to ip */
#define ICMP_RX 12 /* upper layer rcv icmp pkt from ip */
#define ICMP_TX 13 /* upper layer send icmp pkt to ip */
#define ENQ_LOCAL 14 /* validate local address enquiry */
#define ENQ_REMOTE 15 /* validate remote address enquiry */
#define IP_FLOW 16 /* flow control interface to upper layers */
#define IP_PROT_REMOVEQ 17 /* tcp/udp deregister prot q to ip */
#ifdef TESTOPT
/*
* TESTOPT driver field
*/
#define TCPTEST 1
#define UDPTEST TCPTEST
#define IPTEST 2
/*
* TESTOPT type field
*/
#define NEXT 1 /* carry out for next num packets */
#define ALL 2 /* carry out for all packets */
#define OFF 3 /* turn off option */
#define RANDOM 4 /* carry out for random packets, prob 1/num */
/*
* TESTOPT option field
*/
#define BAD_CKSUM 1
#define SHORT_HDR 2
#define DROP 3 /* drop packet or fragment */
#define CONTROL 4 /* OR ctl field with subopt, TCP only */
#define BAD_TYPE 5 /* bad multiplexing type: port for TCP,
protocol for IP */
typedef struct testopt {
char driver; /* option for which driver: TCP/UDP, IP */
char option; /* option */
char subopt; /* suboption if applicable */
char type; /* next, on, off */
int num; /* number of packets - depends on */
} TEST_OPT;
#endif
/*
* define structure for DARPA internet address
* usually use "longs" to access but sometimes need to split into
* components
*/
typedef union {
char typea[4]; /* 4 x 8 bit version */
short typeb[2]; /* 2 x 16 bit */
long typec; /* 1 x 32 bit */
} IN_ADDRESS;
/*
* IP Option values
*/
#define OPT_EOL 0
#define OPT_NOP 1
#define OPT_SECURITY 130
#define OPT_LSRR 131
#define OPT_SSRR 137
#define OPT_RR 7
#define OPT_STRID 136
#define OPT_TIMESTAMP 68
/*
* structure of pseudo-header used for communication
* between IP and higher level processes
*/
typedef struct {
short ps_pktid; /* id to be used in inet header */
short ps_status; /* indicates status of requested action */
#define OK 0 /* status for non-ICMP packet */
IN_ADDRESS ps_src; /* source address */
IN_ADDRESS ps_dst; /* destination address */
unsigned short ps_txtlen; /* length of text */
short ps_offset; /* Fragment Offset */
short ps_if; /* IP Interface number */
unsigned char ps_prot; /* Internet protocol number */
char ps_df; /* Don't Fragment flag */
char ps_ttl; /* Time to Live flag */
#ifdef TESTOPT
int test; /* testing on for this packet */
TEST_OPT testopt; /* options for testing */
#endif
#ifdef IPOPTS
char ps_pkt_type; /* What's this packet doing? */
char ps_optlen; /* Length of options (in words) */
char ps_tos; /* Type of service */
int ps_options[1]; /* Options */
#endif
} PSEUDO_HDR;
#define SIZ_PSEUDOHDR sizeof(PSEUDO_HDR)
/*
* Types of pkt_type
*/
#define PS_FROM_ME 1 /* Started here */
#define PS_FOR_ME 2 /* Dest is this machine */
#define PS_THRU_ME 3 /* Just passing through */
#define PS_SS_ROUTING 4 /* Being strict source routed */
#define PS_LS_ROUTING 5 /* Being loose source routed */
#define PS_REPLY 6 /* response to another pkt (ie echo reply) */
typedef struct ip_protq {
int prim_type;
unsigned char prot;
} S_IP_PROTQ;
/*
* status returned to upper layer in prot
*/
#define VALID 0
#define IN_USE 1
#define INVALID 2
/*
* received from transport protocol when it sends a packet
*/
typedef struct ip_tx {
int prim_type;
short hdr_cnt;
short unused1; /* ensure structure is same size as S_PROT_RX */
BOOLEAN unused2; /* ensure structure is same size as S_PROT_RX */
PSEUDO_HDR uph;
} S_IP_TX;
/*
* sent to transport protocol when we receive a packet
*/
typedef struct prot_rx {
int prim_type;
IN_ADDRESS if_addr;
BOOLEAN is_broadcast;
PSEUDO_HDR uph;
} S_PROT_RX;
/*
* The ICMP_RX struct
*/
struct icmp_rx {
int prim_type;
IN_ADDRESS if_addr;
BOOLEAN is_broadcast;
unsigned char type;
unsigned char code;
long src;
long dst;
unsigned long misc;
PSEUDO_HDR uph;
};
/*
* The ICMP_TX struct
*/
struct icmp_tx {
int prim_type;
unsigned char type;
unsigned char code;
long src;
long dst;
unsigned long misc;
PSEUDO_HDR ph;
};
/*
* The IP_ADDRENQ struct
*/
struct ip_addrenq {
int prim_type; /* ENQ_LOCAL or ENQ_REMOTE */
char *handle; /* Place holder for TCP */
long addr; /* Remote address */
long local; /* Returned local address */
int error; /* Zero if OK, else errno */
int mss; /* Max seg size for this transfer */
int flags; /* See below */
int ifno; /* IP's interface number for this addr */
int broadcast; /* Set if remote address is broadcast */
unsigned long link_speed; /* adapter link speed in kbits/second */
unsigned long receive_buffer_size; /* bytes of adapter receive space */
};
#define ENQ_NO_KEEPALIVE 1 /* No keep-alives for this net */
/*
* IP Flow control structure
*/
struct ip_flow_info {
int prim_type; /* IP_FLOW */
int index; /* IP Interface number */
int info; /* Blocked or unblocked */
};
/**************************************************************
* ICMP constants: types & codes
**************************************************************/
#define ECHO_REPLY 0 /* echo reply */
#define DEST_UNR 3 /* destination unreachable: */
/* codes for DEST_UNR */
#define NET_UNR 0 /* net unreachable */
#define HOST_UNR 1 /* host unreachable */
#define PROT_UNR 2 /* protocol unreachable */
#define PORT_UNR 3 /* port unreachable */
#define FRAG_DF 4 /* fragmentation needed + DF */
#define SR_FAIL 5 /* source route failed */
#define DST_NET_UNKNOWN 6 /* dest network unknown */
#define DST_HOST_UNKNOWN 7 /* dest host unknown */
#define SRC_HOST_ISOLATED 8 /* source host isolated */
#define NET_PROHIBITED 9 /* communication with dest
network administratively
prohibited */
#define HOST_PROHIBITED 10 /* communication with dest
host administratively
prohibited */
#define NET_UNR_FOR_TOS 11 /* network unreachable
for type of service */
#define HOST_UNR_FOR_TOS 12 /* host unreachable
for type of service */
#define SRC_QUENCH 4 /* source quench */
#define REDIRECT 5 /* redirect message: */
#define NET_RE 0 /* redirect for network */
#define HOST_RE 1 /* redirect for host */
#define TOSN_RE 2 /* redirect for TOS/network */
#define TOSH_RE 3 /* redirect for TOS/host */
#define ICMP_ECHO 8 /* echo request */
#define TIME_EXCEEDED 11 /* time exceeded: */
#define TTL_X 0 /* time-to-live exceeded */
#define FRAG_X 1 /* frag reassem time excluded */
#define PARAMETER 12 /* parameter problem */
#define PARAM_POINTER 0 /* pointer indicates error */
#define PARAM_OPTION 1 /* required option missing */
#define TIME_STAMP 13 /* timestamp request */
#define STAMP_REPLY 14 /* timestamp reply */
#define INFO_REQ 15 /* information request */
#define INFO_REPLY 16 /* information reply */
#define MASK_REQ 17 /* address mask request */
#define MASK_REPLY 18 /* address mask reply */
#endif /* _SYS_SNET_IP_PROTO_ */
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