18b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 28b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Copyright (c) 1982, 1986, 1993 38b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * The Regents of the University of California. All rights reserved. 48b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 58b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Redistribution and use in source and binary forms, with or without 68b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * modification, are permitted provided that the following conditions 78b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * are met: 88b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 98b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * documentation and/or other materials provided with the distribution. 138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 3. All advertising materials mentioning features or use of this software 148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * must display the following acknowledgement: 158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * This product includes software developed by the University of 168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * California, Berkeley and its contributors. 178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 4. Neither the name of the University nor the names of its contributors 188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * may be used to endorse or promote products derived from this software 198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * without specific prior written permission. 208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * SUCH DAMAGE. 328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * @(#)tcpip.h 8.1 (Berkeley) 6/10/93 348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef _TCPIP_H_ 388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define _TCPIP_H_ 398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Tcp+ip header, after ip options removed. 428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstruct tcpiphdr { 448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ipovly ti_i; /* overlaid ip structure */ 458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tcphdr ti_t; /* tcp header */ 468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_mbuf ti_i.ih_mbuf.mptr 488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_x1 ti_i.ih_x1 498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_pr ti_i.ih_pr 508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_len ti_i.ih_len 518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_src ti_i.ih_src 528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_dst ti_i.ih_dst 538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_sport ti_t.th_sport 548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_dport ti_t.th_dport 558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_seq ti_t.th_seq 568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_ack ti_t.th_ack 578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_x2 ti_t.th_x2 588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_off ti_t.th_off 598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_flags ti_t.th_flags 608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_win ti_t.th_win 618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_sum ti_t.th_sum 628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ti_urp ti_t.th_urp 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define tcpiphdr2qlink(T) ((struct qlink*)(((char*)(T)) - sizeof(struct qlink))) 658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define qlink2tcpiphdr(Q) ((struct tcpiphdr*)(((char*)(Q)) + sizeof(struct qlink))) 668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define tcpiphdr_next(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->next) 678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define tcpiphdr_prev(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->prev) 688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define tcpfrag_list_first(T) qlink2tcpiphdr((T)->seg_next) 698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define tcpfrag_list_end(F, T) (tcpiphdr2qlink(F) == (struct qlink*)(T)) 708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define tcpfrag_list_empty(T) ((T)->seg_next == (struct tcpiphdr*)(T)) 718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Just a clean way to get to the first byte 748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * of the packet 758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstruct tcpiphdr_2 { 778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tcpiphdr dummy; 788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project char first_char; 798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 82