| Elliott Hughes | b4a9b17 | 2023-11-28 15:41:54 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * * Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * * Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in |
| 12 | * the documentation and/or other materials provided with the |
| 13 | * distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 18 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 19 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 25 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #pragma once |
| 30 | |
| 31 | #include <sys/cdefs.h> |
| 32 | #include <stdint.h> |
| 33 | |
| 34 | __BEGIN_DECLS |
| 35 | |
| 36 | struct tcphdr { |
| 37 | __extension__ union { |
| 38 | struct { |
| 39 | uint16_t th_sport; |
| 40 | uint16_t th_dport; |
| 41 | uint32_t th_seq; |
| 42 | uint32_t th_ack; |
| 43 | uint8_t th_x2:4; |
| 44 | uint8_t th_off:4; |
| 45 | uint8_t th_flags; |
| 46 | uint16_t th_win; |
| 47 | uint16_t th_sum; |
| 48 | uint16_t th_urp; |
| 49 | }; |
| 50 | struct { |
| 51 | uint16_t source; |
| 52 | uint16_t dest; |
| 53 | uint32_t seq; |
| 54 | uint32_t ack_seq; |
| 55 | uint16_t res1:4; |
| 56 | uint16_t doff:4; |
| 57 | uint16_t fin:1; |
| 58 | uint16_t syn:1; |
| 59 | uint16_t rst:1; |
| 60 | uint16_t psh:1; |
| 61 | uint16_t ack:1; |
| 62 | uint16_t urg:1; |
| 63 | uint16_t res2:2; |
| 64 | uint16_t window; |
| 65 | uint16_t check; |
| 66 | uint16_t urg_ptr; |
| 67 | }; |
| 68 | }; |
| 69 | }; |
| 70 | |
| 71 | __END_DECLS |