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review.blissroms.org / platform_bionic / 1dc9e472e19acfe6dc7f41e429236e7eef7ceda1 / . / libc / kernel / common / linux / tcp.h
blob: 3fa95f808b028bd86929f902b53599f5d637db2b [file] [log] [blame]
The Android Open Source Project1dc9e472009-03-03 19:28:35 -0800[diff] [blame^]1/****************************************************************************
2 ****************************************************************************
3 ***
4 *** This header was automatically generated from a Linux kernel header
5 *** of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
7 *** structures, and macros generated from the original header, and thus,
8 *** contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _LINUX_TCP_H
13#define _LINUX_TCP_H
14
15#include <linux/types.h>
16#include <asm/byteorder.h>
17
18struct tcphdr {
19 __u16 source;
20 __u16 dest;
21 __u32 seq;
22 __u32 ack_seq;
23#ifdef __LITTLE_ENDIAN_BITFIELD
24 __u16 res1:4,
25 doff:4,
26 fin:1,
27 syn:1,
28 rst:1,
29 psh:1,
30 ack:1,
31 urg:1,
32 ece:1,
33 cwr:1;
34#elif defined(__BIG_ENDIAN_BITFIELD)
35 __u16 doff:4,
36 res1:4,
37 cwr:1,
38 ece:1,
39 urg:1,
40 ack:1,
41 psh:1,
42 rst:1,
43 syn:1,
44 fin:1;
45#else
46#error "Adjust your <asm/byteorder.h> defines"
47#endif
48 __u16 window;
49 __u16 check;
50 __u16 urg_ptr;
51};
52
53union tcp_word_hdr {
54 struct tcphdr hdr;
55 __u32 words[5];
56};
57
58#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])
59
60enum {
61 TCP_FLAG_CWR = __constant_htonl(0x00800000),
62 TCP_FLAG_ECE = __constant_htonl(0x00400000),
63 TCP_FLAG_URG = __constant_htonl(0x00200000),
64 TCP_FLAG_ACK = __constant_htonl(0x00100000),
65 TCP_FLAG_PSH = __constant_htonl(0x00080000),
66 TCP_FLAG_RST = __constant_htonl(0x00040000),
67 TCP_FLAG_SYN = __constant_htonl(0x00020000),
68 TCP_FLAG_FIN = __constant_htonl(0x00010000),
69 TCP_RESERVED_BITS = __constant_htonl(0x0F000000),
70 TCP_DATA_OFFSET = __constant_htonl(0xF0000000)
71};
72
73#define TCP_NODELAY 1
74#define TCP_MAXSEG 2
75#define TCP_CORK 3
76#define TCP_KEEPIDLE 4
77#define TCP_KEEPINTVL 5
78#define TCP_KEEPCNT 6
79#define TCP_SYNCNT 7
80#define TCP_LINGER2 8
81#define TCP_DEFER_ACCEPT 9
82#define TCP_WINDOW_CLAMP 10
83#define TCP_INFO 11
84#define TCP_QUICKACK 12
85#define TCP_CONGESTION 13
86
87#define TCPI_OPT_TIMESTAMPS 1
88#define TCPI_OPT_SACK 2
89#define TCPI_OPT_WSCALE 4
90#define TCPI_OPT_ECN 8
91
92enum tcp_ca_state
93{
94 TCP_CA_Open = 0,
95#define TCPF_CA_Open (1<<TCP_CA_Open)
96 TCP_CA_Disorder = 1,
97#define TCPF_CA_Disorder (1<<TCP_CA_Disorder)
98 TCP_CA_CWR = 2,
99#define TCPF_CA_CWR (1<<TCP_CA_CWR)
100 TCP_CA_Recovery = 3,
101#define TCPF_CA_Recovery (1<<TCP_CA_Recovery)
102 TCP_CA_Loss = 4
103#define TCPF_CA_Loss (1<<TCP_CA_Loss)
104};
105
106struct tcp_info
107{
108 __u8 tcpi_state;
109 __u8 tcpi_ca_state;
110 __u8 tcpi_retransmits;
111 __u8 tcpi_probes;
112 __u8 tcpi_backoff;
113 __u8 tcpi_options;
114 __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
115
116 __u32 tcpi_rto;
117 __u32 tcpi_ato;
118 __u32 tcpi_snd_mss;
119 __u32 tcpi_rcv_mss;
120
121 __u32 tcpi_unacked;
122 __u32 tcpi_sacked;
123 __u32 tcpi_lost;
124 __u32 tcpi_retrans;
125 __u32 tcpi_fackets;
126
127 __u32 tcpi_last_data_sent;
128 __u32 tcpi_last_ack_sent;
129 __u32 tcpi_last_data_recv;
130 __u32 tcpi_last_ack_recv;
131
132 __u32 tcpi_pmtu;
133 __u32 tcpi_rcv_ssthresh;
134 __u32 tcpi_rtt;
135 __u32 tcpi_rttvar;
136 __u32 tcpi_snd_ssthresh;
137 __u32 tcpi_snd_cwnd;
138 __u32 tcpi_advmss;
139 __u32 tcpi_reordering;
140
141 __u32 tcpi_rcv_rtt;
142 __u32 tcpi_rcv_space;
143
144 __u32 tcpi_total_retrans;
145};
146
147#endif