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/*++
Copyright(c) 1998,99 Microsoft Corporation
Module Name:
wlbsip.h
Abstract:
Windows Load Balancing Service (WLBS) IP/TCP/UDP support
Author:
kyrilf
Environment:
Revision History:
--*/
#ifndef _Tcpip_h_
#define _Tcpip_h_
#ifdef KERNEL_MODE
#include <ndis.h>
#endif
#pragma pack(1)
/* type structures for basic protocols */
typedef struct{ UCHAR byte [20];}IP_HDR, * PIP_HDR;
typedef struct{ UCHAR byte [20];}TCP_HDR, * PTCP_HDR;
typedef struct{ UCHAR byte [8];}UDP_HDR, * PUDP_HDR;
typedef struct{ UCHAR byte [28];}ARP_HDR, * PARP_HDR;
#define TCPIP_BCAST_ADDR 0xffffffff /* IP broadcast address */
#define TCPIP_CLASSC_MASK 0x00ffffff /* IP address Class C mask */
/* protocol type signatures carried in the length field of Ethernet frame */
#define TCPIP_IP_SIG 0x0800 /* IP protocol */
#define TCPIP_ARP_SIG 0x0806 /* ARP/RARP protocol */
/* supported IP version */
#define TCPIP_VERSION 4 /* current IP version */
/* protocol types as encoded in IP header */
#define TCPIP_PROTOCOL_IP 0 /* Internet protocol id */
#define TCPIP_PROTOCOL_ICMP 1 /* Internet control message protocol id */
#define TCPIP_PROTOCOL_IGMP 2 /* Internet gateway message protocol id */
#define TCPIP_PROTOCOL_GGP 3 /* Gateway-gateway protocol id */
#define TCPIP_PROTOCOL_TCP 6 /* Transmission control protocol id */
#define TCPIP_PROTOCOL_EGP 8 /* Exterior gateway protocol id */
#define TCPIP_PROTOCOL_PUP 12 /* PARC universal packet protocol id */
#define TCPIP_PROTOCOL_UDP 17 /* user datagram protocol id */
#define TCPIP_PROTOCOL_HMP 20 /* Host monitoring protocol id */
#define TCPIP_PROTOCOL_XNS_IDP 22 /* Xerox NS IDP protocol id */
#define TCPIP_PROTOCOL_RDP 27 /* Reliable datagram protocol id */
#define TCPIP_PROTOCOL_RVD 66 /* MIT remote virtual disk protocol id */
#define TCPIP_PROTOCOL_RAW_IP 255 /* raw IP protocol id */
#define TCPIP_PROTOCOL_GRE 47 /* PPTP's GRE stream */
#define TCPIP_PROTOCOL_IPSEC1 50 /* IPSEC's data stream */
#define TCPIP_PROTOCOL_IPSEC2 51 /* IPSEC's data stream */
#define TCPIP_PROTOCOL_PPTP 99 /* This is a bogus protocol ID used by descriptor tracking in the load module. */
#define TCPIP_PROTOCOL_IPSEC_UDP 217 /* Bogus protocol ID used to track UDP subsequent
fragments within the IPSEC protocol in load.c */
#define IP_ADDR_LEN 4 /* in bytes */
/* Stolen from net\ipsec\oakley\ikedef.h and net\ipsec\oakley\isakmp.h for reference. */#if 0
#define COOKIE_LEN 8
typedef struct isakmp_hdr_ { unsigned char init_cookie[COOKIE_LEN]; unsigned char resp_cookie[COOKIE_LEN]; unsigned char next_payload;#ifdef ISAKMP_i386
unsigned char minver:4, majver:4;#else
unsigned char majver:4, minver:4;#endif
unsigned char exch; unsigned char flags; unsigned long mess_id; unsigned long len;} isakmp_hdr;
typedef struct generic_payload_ { unsigned char next_payload; unsigned char reserved; unsigned short payload_len;} generic_payload;
typedef struct vendor_payload_ { unsigned char next_payload; unsigned char reserved; unsigned short payload_len; unsigned char vendor_id[1];} generic_payload;
typedef struct notify_payload_ { unsigned char next_payload; unsigned char reserved; unsigned short payload_len; unsigned long doi; unsigned char protocol_id; unsigned char spi_size; unsigned short notify_message;}#endif
/* IPSec/IKE header macros. */typedef enum { NLB_IPSEC_OTHER = 1, NLB_IPSEC_INITIAL_CONTACT, NLB_IPSEC_IDENTIFICATION} NLB_IPSEC_PACKET_TYPE;
#define IPSEC_ISAKMP_SA 1
#define IPSEC_ISAKMP_ID 5
#define IPSEC_ISAKMP_VENDOR_ID 13
#define IPSEC_ISAKMP_NOTIFY 11
#define IPSEC_ISAKMP_NAT_DELIMITER_LENGTH 4
#define IPSEC_ISAKMP_NAT_DELIMITER {0x00, 0x00, 0x00, 0x00}
#define IPSEC_ISAKMP_MAIN_MODE_RCOOKIE {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
#define IPSEC_ISAKMP_HEADER_LENGTH 28
#define IPSEC_ISAKMP_HEADER_RCOOKIE_OFFSET 8
#define IPSEC_ISAKMP_HEADER_RCOOKIE_LENGTH 8
#define IPSEC_ISAKMP_HEADER_NEXT_PAYLOAD_OFFSET 16
#define IPSEC_ISAKMP_HEADER_PACKET_LENGTH_OFFSET 24
typedef struct { UCHAR byte[IPSEC_ISAKMP_HEADER_LENGTH];} IPSEC_ISAKMP_HDR, * PIPSEC_ISAKMP_HDR;
#define IPSEC_ISAKMP_GET_RCOOKIE_POINTER(isakmp_hdrp) ((PUCHAR)isakmp_hdrp + IPSEC_ISAKMP_HEADER_RCOOKIE_OFFSET)
#define IPSEC_ISAKMP_GET_NEXT_PAYLOAD(isakmp_hdrp) ((UCHAR)((isakmp_hdrp)->byte[IPSEC_ISAKMP_HEADER_NEXT_PAYLOAD_OFFSET]))
#define IPSEC_ISAKMP_GET_PACKET_LENGTH(isakmp_hdrp) ((ULONG)(((isakmp_hdrp)->byte[IPSEC_ISAKMP_HEADER_PACKET_LENGTH_OFFSET] << 24) | \
((isakmp_hdrp)->byte[IPSEC_ISAKMP_HEADER_PACKET_LENGTH_OFFSET + 1] << 16) | \ ((isakmp_hdrp)->byte[IPSEC_ISAKMP_HEADER_PACKET_LENGTH_OFFSET + 2] << 8) | \ ((isakmp_hdrp)->byte[IPSEC_ISAKMP_HEADER_PACKET_LENGTH_OFFSET + 3] << 0)))
#define IPSEC_GENERIC_HEADER_LENGTH 4
#define IPSEC_GENERIC_HEADER_NEXT_PAYLOAD_OFFSET 0
#define IPSEC_GENERIC_HEADER_PAYLOAD_LENGTH_OFFSET 2
typedef struct { UCHAR byte[IPSEC_GENERIC_HEADER_LENGTH];} IPSEC_GENERIC_HDR, * PIPSEC_GENERIC_HDR;
#define IPSEC_GENERIC_GET_NEXT_PAYLOAD(generic_hdrp) ((UCHAR)((generic_hdrp)->byte[IPSEC_GENERIC_HEADER_NEXT_PAYLOAD_OFFSET]))
#define IPSEC_GENERIC_GET_PAYLOAD_LENGTH(generic_hdrp) ((USHORT)(((generic_hdrp)->byte[IPSEC_GENERIC_HEADER_PAYLOAD_LENGTH_OFFSET] << 8) | \
((generic_hdrp)->byte[IPSEC_GENERIC_HEADER_PAYLOAD_LENGTH_OFFSET + 1] << 0)))
#define IPSEC_VENDOR_ID_INITIAL_CONTACT {0x26, 0x24, 0x4D, 0x38, 0xED, 0xDB, 0x61, 0xB3, 0x17, 0x2A, 0x36, 0xE3, 0xD0, 0xCF, 0xB8, 0x19}
#define IPSEC_VENDOR_ID_INITIAL_CONTACT_SUPPORT {0xA7, 0x72, 0xD1, 0x78, 0x08, 0x40, 0x9E, 0xDC, 0xCD, 0xAB, 0x92, 0x9A, 0x0F, 0x96, 0x91, 0xD0}
#define IPSEC_VENDOR_ID_MICROSOFT {0x1E, 0x2B, 0x51, 0x69, 0x05, 0x99, 0x1C, 0x7D, 0x7C, 0x96, 0xFC, 0xBF, 0xB5, 0x87, 0xE4, 0x61}
#define IPSEC_VENDOR_ID_MICROSOFT_MIN_VERSION 0x00000004
#define IPSEC_VENDOR_ID_PAYLOAD_LENGTH 20
#define IPSEC_VENDOR_HEADER_VENDOR_ID_OFFSET 4
#define IPSEC_VENDOR_HEADER_VENDOR_ID_LENGTH 16
#define IPSEC_VENDOR_HEADER_VENDOR_VERSION_OFFSET 20
#define IPSEC_VENDOR_HEADER_VENDOR_VERSION_LENGTH 4
typedef struct { UCHAR byte[IPSEC_GENERIC_HEADER_LENGTH + IPSEC_VENDOR_ID_PAYLOAD_LENGTH];} IPSEC_VENDOR_HDR, * PIPSEC_VENDOR_HDR;
#define IPSEC_VENDOR_ID_GET_ID_POINTER(vendor_hdrp) ((PUCHAR)vendor_hdrp + IPSEC_VENDOR_HEADER_VENDOR_ID_OFFSET)
#define IPSEC_VENDOR_ID_GET_VERSION(vendor_hdrp) ((ULONG)(((vendor_hdrp)->byte[IPSEC_VENDOR_HEADER_VENDOR_VERSION_OFFSET] << 24) | \
((vendor_hdrp)->byte[IPSEC_VENDOR_HEADER_VENDOR_VERSION_OFFSET + 1] << 16) | \ ((vendor_hdrp)->byte[IPSEC_VENDOR_HEADER_VENDOR_VERSION_OFFSET + 2] << 8) | \ ((vendor_hdrp)->byte[IPSEC_VENDOR_HEADER_VENDOR_VERSION_OFFSET + 3] << 0)))
#define IPSEC_NOTIFY_INITIAL_CONTACT 24578
#define IPSEC_NOTIFY_PAYLOAD_LENGTH 8
#define IPSEC_NOTIFY_HEADER_NOTIFY_MESSAGE_OFFSET 10
typedef struct { UCHAR byte[IPSEC_GENERIC_HEADER_LENGTH + IPSEC_NOTIFY_PAYLOAD_LENGTH];} IPSEC_NOTIFY_HDR, * PIPSEC_NOTIFY_HDR;
#define IPSEC_NOTIFY_GET_NOTIFY_MESSAGE(notify_hdrp) ((USHORT)(((notify_hdrp)->byte[IPSEC_NOTIFY_HEADER_NOTIFY_MESSAGE_OFFSET] << 8) | \
((notify_hdrp)->byte[IPSEC_NOTIFY_HEADER_NOTIFY_MESSAGE_OFFSET + 1] << 0)))
/* ARP header macros - note address locations assume 6 byte MAC (Ethernet)
and 4 byte protocol (IP) sizes */
/* type of hardware address */#define ARP_GET_MAC_TYPE(p) (((ULONG) ((p) -> byte[0]) << 8) | (ULONG) ((p) -> byte[1]))
/* higher layer addressing protocol */#define ARP_GET_PROT_TYPE(p) (((ULONG) ((p) -> byte[2]) << 8) | (ULONG) ((p) -> byte[3]))
/* length of hardware address */#define ARP_GET_MAC_LEN(p) ((ULONG) ((p) -> byte[4]))
/* length of higher layer address */#define ARP_GET_PROT_LEN(p) ((ULONG) ((p) -> byte[5]))
/* type of message */#define ARP_GET_MSG_TYPE(p) (((ULONG) ((p) -> byte[6]) << 8) | (ULONG) ((p) -> byte[7]))
/* source hardware address */#define ARP_GET_SRC_MAC_PTR(p) (&((p) -> byte[8]))
#define ARP_GET_SRC_MAC(p,n) ((ULONG) ((p) -> byte[8 + (n)]))
/* source higher layer address */#define ARP_GET_SRC_PROT(p,n) ((ULONG) ((p) -> byte[14 + (n)]))
#define ARP_GET_SRC_FPROT(p) (* ((PULONG) &((p) -> byte[14])))
/* 64-bit -- ramkrish */#define ARP_GET_SRC_PROT_64(p) ((ULONG) (((p) -> byte[14] << 0) | ((p) -> byte[15] << 8) | \
((p) -> byte[16] << 16) | ((p) -> byte[17] << 24)))
/* destination hardware address */#define ARP_GET_DST_MAC_PTR(p) (&((p) -> byte[18]))
#define ARP_GET_DST_MAC(p,n) ((ULONG) ((p) -> byte[18 + (n)]))
/* destination higher layer address */#define ARP_GET_DST_PROT(p,n) ((ULONG) ((p) -> byte[24 + (n)]))
#define ARP_GET_DST_FPROT(p) (* ((PULONG) &((p) -> byte[24])))
/* 64-bit -- ramkrish */#define ARP_GET_DST_PROT_64(p) ((ULONG) (((p) -> byte[18] << 0) | ((p) -> byte[19] << 8) | \
((p) -> byte[20] << 16) | ((p) -> byte[21] << 24)))
#define ARP_MAC_TYPE_ETH 0x0001
#define ARP_PROT_TYPE_IP 0x0800
#define ARP_MAC_LEN_ETH 6
#define ARP_PROT_LEN_IP 4
#define ARP_MSG_TYPE_REQ 0x1
#define ARP_MSG_TYPE_RSP 0x2
/* IP datagram header macros */
/* IP version number */#define IP_GET_VERS(p) ((ULONG) ((((p) -> byte[0]) >> 4) & 0xf))
/* header length in 32-bit words */#define IP_GET_HLEN(p) ((ULONG) (((p) -> byte[0]) & 0xf))
/* service type */#define IP_GET_SRVC(p) ((ULONG) ((p) -> byte[1]))
/* total datagram packet length in bytes */#define IP_GET_PLEN(p) (((ULONG) ((p) -> byte[2]) << 8) | (ULONG) ((p) -> byte[3]))
/* fragmentation identification - this one seems to have bytes swaped within
the short word ??? */#define IP_GET_FRAG_ID(p) (((ULONG) ((p) -> byte[5]) << 8) | (ULONG) ((p) -> byte[4]))
/* fragmentation flags */#define IP_GET_FRAG_FLGS(p) ((ULONG) ((((p) -> byte[6]) >> 5) & 0x7))
/* fragmentation offset */#define IP_GET_FRAG_OFF(p) (((ULONG) ((p) -> byte[6] & 0x1f) << 8) | (ULONG) ((p) -> byte[7]))
/* Time To Live in seconds */#define IP_GET_TTL(p) ((ULONG) ((p) -> byte[8]))
/* higher level protocol id */#define IP_GET_PROT(p) ((ULONG) ((p) -> byte[9]))
/* header checksum - this one seems to have bytes swaped within
the short word ??? */#define IP_GET_CHKSUM(p) (((USHORT) ((p) -> byte[10]) << 8) | (USHORT) ((p) -> byte[11]))
#define IP_SET_CHKSUM(p,c) (((p) -> byte[10] = (c) >> 8), ((p) -> byte[11] = (c) & 0xff))
/* source IP address */#define IP_GET_SRC_ADDR(p,n) ((ULONG) ((p) -> byte[12 + (n)]))
#define IP_GET_SRC_ADDR_PTR(p) (&((p) -> byte[12]))
#define IP_GET_SRC_FADDR(p) (* ((PULONG) &((p) -> byte[12]))) /* 64-bit -- ramkrish */
#ifdef _WIN64
#define IP_GET_SRC_ADDR_64(p) ((ULONG) (((p) -> byte[12] << 0) | ((p) -> byte[13] << 8) | \
((p) -> byte[14] << 16) | ((p) -> byte[15] << 24)))#else
// This is faster than the one above. This function is called in critical receiving path
#define IP_GET_SRC_ADDR_64(p) (* ((PULONG) &((p) -> byte[12])))
#endif
/* destination IP address */#define IP_GET_DST_ADDR(p,n) ((ULONG) ((p) -> byte[16 + (n)]))
#ifdef _WIN64
#define IP_GET_DST_ADDR_64(p) ((ULONG) (((p) -> byte[16] << 0) | ((p) -> byte[17] << 8) | \
((p) -> byte[18] << 16) | ((p) -> byte[19] << 24)))#else
// This is faster than the one above. This function is called in critical receiving path
#define IP_GET_DST_ADDR_64(p) (* ((PULONG) &((p) -> byte[16])))
#endif
/* 64-bit -- ramkrish */
#define IP_SET_SRC_ADDR_64(p,c) { \
PUCHAR tmp = (PUCHAR) (&(c)); \ (p) -> byte[12] = tmp[0]; (p) -> byte[13] = tmp[1]; \ (p) -> byte[14] = tmp[2]; (p) -> byte[15] = tmp[3]; \ }
#define IP_SET_DST_ADDR_64(p,c) { \
PUCHAR tmp = (PUCHAR) (&(c)); \ (p) -> byte[16] = tmp[0]; (p) -> byte[17] = tmp[1]; \ (p) -> byte[18] = tmp[2]; (p) -> byte[19] = tmp[3]; \ }
/* get IP address octets. */#define IP_GET_ADDR(p,b0,b1,b2,b3) { \
*(b3) = ((p) & 0xff000000) >> 24; \ *(b2) = ((p) & 0x00ff0000) >> 16; \ *(b1) = ((p) & 0x0000ff00) >> 8; \ *(b0) = ((p) & 0x000000ff) >> 0; \ }
/* Get the Nth octect of an IP address DWORD. The zeroeth octect is the least significant byte of the DWORD. */#define IP_GET_OCTET(p,n) (((p) & (0x000000ff << (8*(n)))) >> (8*(n)))
/* create IP address from 4 bytes */#define IP_SET_ADDR(p,b0,b1,b2,b3) (* (p) = (((b0) << 0) | ((b1) << 8) | ((b2) << 16) | ((b3) << 24)))
/* compute broadcast address from IP address and netmask */#define IP_SET_BCAST(p,a,m) (* (p) = ((a) & (m)) | (~(m)))
/* TCP header macros */
/* pointer to TCP header from IP header pointer */#define TCP_PTR(p) ((PTCP_HDR)(((ULONG *)(p)) + ((ULONG)IP_GET_HLEN(p))))
/* source port */#define TCP_GET_SRC_PORT(p) (((ULONG) ((p) -> byte[0]) << 8) | (ULONG) ((p) -> byte[1]))
#define TCP_GET_SRC_PORT_PTR(p) (& ((p) -> byte[0])) /* 64-bit -- ramkrish */
/* destination port */#define TCP_GET_DST_PORT(p) (((ULONG) ((p) -> byte[2]) << 8) | (ULONG) ((p) -> byte[3]))
#define TCP_GET_DST_PORT_PTR(p) (& ((p) -> byte[2])) /* 64-bit -- ramkrish */
/* sequence number */#define TCP_GET_SEQ_NO(p) (((ULONG) ((p) -> byte[4]) << 24) | ((ULONG) ((p) -> byte[5]) << 16) | \
((ULONG) ((p) -> byte[6]) << 8) | (ULONG) ((p) -> byte[7]))
/* acknowledgement number */#define TCP_GET_ACK_NO(p) (((ULONG) ((p) -> byte[8]) << 24) | ((ULONG) ((p) -> byte[9]) << 16) | \
((ULONG) ((p) -> byte[10]) << 8) | (ULONG) ((p) -> byte[11]))
/* flags */#define TCP_GET_FLAGS(p) (((ULONG) ((p) -> byte[13])) & 0x3f)
/* header length in 32-bit words */#define TCP_GET_HLEN(p) ((ULONG) (((p) -> byte[12]) >> 4))
/* datagram length */#define TCP_GET_DGRAM_LEN(i,t) (IP_GET_PLEN (i) - ((IP_GET_HLEN (i) + TCP_GET_HLEN (t)) * sizeof (ULONG)))
/* pointer to datagram */#define TCP_GET_DGRAM_PTR(p) ((PUCHAR)(((ULONG *)(p)) + ((ULONG) TCP_GET_HLEN(p))))
/* checksum field */#define TCP_GET_CHKSUM(p) ((((USHORT)((p) -> byte[16])) << 8) | (USHORT)((p) -> byte[17]))
#define TCP_SET_CHKSUM(p,c) (((p) -> byte[16] = (c) >> 8), ((p) -> byte[17] = (c) & 0xff))
#define TCP_FLAG_URG 0x20
#define TCP_FLAG_ACK 0x10
#define TCP_FLAG_PSH 0x8
#define TCP_FLAG_RST 0x4
#define TCP_FLAG_SYN 0x2
#define TCP_FLAG_FIN 0x1
/* UDP header macros */
/* pointer to TCP header from IP header pointer */#define UDP_PTR(p) ((PUDP_HDR)(((ULONG *)(p)) + ((ULONG)IP_GET_HLEN(p))))
/* source port */#define UDP_GET_SRC_PORT(p) (((ULONG) ((p) -> byte[0]) << 8) | (ULONG) ((p) -> byte[1]))
#define UDP_GET_SRC_PORT_PTR(p) (& ((p) -> byte[0]))
#define UDP_GET_SRC_FPORT(p) (* ((PUSHORT) &((p) -> byte[0])))
/* 64-bit -- ramkrish */#define UDP_SET_SRC_PORT_64(p,v) (((p) -> byte[0] = v >> 8), ((p) -> byte[1] = v & 0xff))
/* destination port */#define UDP_GET_DST_PORT(p) (((ULONG) ((p) -> byte[2]) << 8) | (ULONG) ((p) -> byte[3]))
#define UDP_GET_DST_PORT_PTR(p) (& ((p) -> byte[2]))
#define UDP_GET_DST_FPORT(p) (* ((PUSHORT) &((p) -> byte[2])))
/* 64-bit -- ramkrish */#define UDP_SET_DST_PORT_64(p,v) (((p) -> byte[2] = v >> 8), ((p) -> byte[3] = v & 0xff))
/* packet length */#define UDP_GET_LEN(p) (((ULONG) ((p) -> byte[4]) << 8) | (ULONG) ((p) -> byte[5]))
/* packet length */#define UDP_GET_CHKSUM(p) (((USHORT) ((p) -> byte[6]) << 8) | (USHORT) ((p) -> byte[7]))
#define UDP_SET_CHKSUM(p,c) (((p) -> byte[6] = (c) >> 8), ((p) -> byte[7] = (c) & 0xff))
/* pointer to datagram */#define UDP_GET_DGRAM_PTR(p) ((PUCHAR)(p) + sizeof (UDP_HDR))
/* V1.11 NetBIOS name cluster name support */
#define NBT_NAME_LEN 16
#define NBT_ENCODED_NAME_LEN (2 * NBT_NAME_LEN) /* multiplier HAS to be 2 */
#define NBT_ENCODED_NAME_BASE 'A'
#define NBT_NAME_SHADOW "*SMBSERVER "
#define NBT_ENCODED_NAME_SHADOW \
{ \ 'C', 'K', 'F', 'D', 'E', 'N', 'E', 'C', 'F', 'D', 'E', 'F', 'F', 'C', 'F', 'G', \ 'E', 'F', 'F', 'C', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A' \}
#define NBT_ENCODE_FIRST(c) (((c) >> 4) + NBT_ENCODED_NAME_BASE)
#define NBT_ENCODE_SECOND(c) (((c) & 0xf) + NBT_ENCODED_NAME_BASE)
#define NBT_SESSION_PORT 139
#define NBT_SESSION_REQUEST 0x81 /* packet type */
typedef struct{ UCHAR byte[72]; /* only the session request packet */}NBT_HDR, * PNBT_HDR;
/* pointer to NBT header from TCP header */#define NBT_PTR(p) ((PNBT_HDR)(((ULONG *)(p)) + ((ULONG) TCP_GET_HLEN(p))))
/* packet type */#define NBT_GET_PKT_TYPE(p) ((ULONG) ((p) -> byte[0]))
/* packet length */#define NBT_GET_PKT_LEN(p) ((ULONG) ((p) -> byte[3]))
/* called name */#define NBT_GET_CALLED_NAME(p) ((PUCHAR) & ((p) -> byte[4])) /* server's name */
/* calling name */#define NBT_GET_CALLING_NAME(p) ((PUCHAR) & ((p) -> byte[36])) /* client's name */
/* PPTP/IPSEC support */
#define PPTP_CTRL_PORT 1723
#define IPSEC_NAT_PORT 4500
#define IPSEC_CTRL_PORT 500
#define TCP_HTTP_PORT 80
/* TCPIP module context */
typedef struct{ UCHAR nbt_encoded_cluster_name [NBT_ENCODED_NAME_LEN]; /* V1.2 */}TCPIP_CTXT, * PTCPIP_CTXT;#pragma pack()
#endif /* _Tcpip_h_ */
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