tcp.h revision 64f355ffbd715a3c8b467c3b37701ad404b566b4
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 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19#ifndef _UAPI_LINUX_TCP_H 20#define _UAPI_LINUX_TCP_H 21#include <linux/types.h> 22#include <asm/byteorder.h> 23#include <linux/socket.h> 24struct tcphdr { 25 __be16 source; 26 __be16 dest; 27 __be32 seq; 28 __be32 ack_seq; 29#ifdef __LITTLE_ENDIAN_BITFIELD 30 __u16 res1 : 4, doff : 4, fin : 1, syn : 1, rst : 1, psh : 1, ack : 1, urg : 1, ece : 1, cwr : 1; 31#elif defined(__BIG_ENDIAN_BITFIELD) 32 __u16 doff : 4, res1 : 4, cwr : 1, ece : 1, urg : 1, ack : 1, psh : 1, rst : 1, syn : 1, fin : 1; 33#else 34#error "Adjust your <asm/byteorder.h> defines" 35#endif 36 __be16 window; 37 __sum16 check; 38 __be16 urg_ptr; 39}; 40union tcp_word_hdr { 41 struct tcphdr hdr; 42 __be32 words[5]; 43}; 44#define tcp_flag_word(tp) (((union tcp_word_hdr *) (tp))->words[3]) 45enum { 46 TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000), 47 TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000), 48 TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000), 49 TCP_FLAG_ACK = __constant_cpu_to_be32(0x00100000), 50 TCP_FLAG_PSH = __constant_cpu_to_be32(0x00080000), 51 TCP_FLAG_RST = __constant_cpu_to_be32(0x00040000), 52 TCP_FLAG_SYN = __constant_cpu_to_be32(0x00020000), 53 TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000), 54 TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000), 55 TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000) 56}; 57#define TCP_MSS_DEFAULT 536U 58#define TCP_MSS_DESIRED 1220U 59#define TCP_NODELAY 1 60#define TCP_MAXSEG 2 61#define TCP_CORK 3 62#define TCP_KEEPIDLE 4 63#define TCP_KEEPINTVL 5 64#define TCP_KEEPCNT 6 65#define TCP_SYNCNT 7 66#define TCP_LINGER2 8 67#define TCP_DEFER_ACCEPT 9 68#define TCP_WINDOW_CLAMP 10 69#define TCP_INFO 11 70#define TCP_QUICKACK 12 71#define TCP_CONGESTION 13 72#define TCP_MD5SIG 14 73#define TCP_THIN_LINEAR_TIMEOUTS 16 74#define TCP_THIN_DUPACK 17 75#define TCP_USER_TIMEOUT 18 76#define TCP_REPAIR 19 77#define TCP_REPAIR_QUEUE 20 78#define TCP_QUEUE_SEQ 21 79#define TCP_REPAIR_OPTIONS 22 80#define TCP_FASTOPEN 23 81#define TCP_TIMESTAMP 24 82#define TCP_NOTSENT_LOWAT 25 83#define TCP_CC_INFO 26 84#define TCP_SAVE_SYN 27 85#define TCP_SAVED_SYN 28 86#define TCP_REPAIR_WINDOW 29 87#define TCP_FASTOPEN_CONNECT 30 88#define TCP_ULP 31 89#define TCP_MD5SIG_EXT 32 90struct tcp_repair_opt { 91 __u32 opt_code; 92 __u32 opt_val; 93}; 94struct tcp_repair_window { 95 __u32 snd_wl1; 96 __u32 snd_wnd; 97 __u32 max_window; 98 __u32 rcv_wnd; 99 __u32 rcv_wup; 100}; 101enum { 102 TCP_NO_QUEUE, 103 TCP_RECV_QUEUE, 104 TCP_SEND_QUEUE, 105 TCP_QUEUES_NR, 106}; 107#define TCPI_OPT_TIMESTAMPS 1 108#define TCPI_OPT_SACK 2 109#define TCPI_OPT_WSCALE 4 110#define TCPI_OPT_ECN 8 111#define TCPI_OPT_ECN_SEEN 16 112#define TCPI_OPT_SYN_DATA 32 113enum tcp_ca_state { 114 TCP_CA_Open = 0, 115#define TCPF_CA_Open (1 << TCP_CA_Open) 116 TCP_CA_Disorder = 1, 117#define TCPF_CA_Disorder (1 << TCP_CA_Disorder) 118 TCP_CA_CWR = 2, 119#define TCPF_CA_CWR (1 << TCP_CA_CWR) 120 TCP_CA_Recovery = 3, 121#define TCPF_CA_Recovery (1 << TCP_CA_Recovery) 122 TCP_CA_Loss = 4 123#define TCPF_CA_Loss (1 << TCP_CA_Loss) 124}; 125struct tcp_info { 126 __u8 tcpi_state; 127 __u8 tcpi_ca_state; 128 __u8 tcpi_retransmits; 129 __u8 tcpi_probes; 130 __u8 tcpi_backoff; 131 __u8 tcpi_options; 132 __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; 133 __u8 tcpi_delivery_rate_app_limited : 1; 134 __u32 tcpi_rto; 135 __u32 tcpi_ato; 136 __u32 tcpi_snd_mss; 137 __u32 tcpi_rcv_mss; 138 __u32 tcpi_unacked; 139 __u32 tcpi_sacked; 140 __u32 tcpi_lost; 141 __u32 tcpi_retrans; 142 __u32 tcpi_fackets; 143 __u32 tcpi_last_data_sent; 144 __u32 tcpi_last_ack_sent; 145 __u32 tcpi_last_data_recv; 146 __u32 tcpi_last_ack_recv; 147 __u32 tcpi_pmtu; 148 __u32 tcpi_rcv_ssthresh; 149 __u32 tcpi_rtt; 150 __u32 tcpi_rttvar; 151 __u32 tcpi_snd_ssthresh; 152 __u32 tcpi_snd_cwnd; 153 __u32 tcpi_advmss; 154 __u32 tcpi_reordering; 155 __u32 tcpi_rcv_rtt; 156 __u32 tcpi_rcv_space; 157 __u32 tcpi_total_retrans; 158 __u64 tcpi_pacing_rate; 159 __u64 tcpi_max_pacing_rate; 160 __u64 tcpi_bytes_acked; 161 __u64 tcpi_bytes_received; 162 __u32 tcpi_segs_out; 163 __u32 tcpi_segs_in; 164 __u32 tcpi_notsent_bytes; 165 __u32 tcpi_min_rtt; 166 __u32 tcpi_data_segs_in; 167 __u32 tcpi_data_segs_out; 168 __u64 tcpi_delivery_rate; 169 __u64 tcpi_busy_time; 170 __u64 tcpi_rwnd_limited; 171 __u64 tcpi_sndbuf_limited; 172}; 173enum { 174 TCP_NLA_PAD, 175 TCP_NLA_BUSY, 176 TCP_NLA_RWND_LIMITED, 177 TCP_NLA_SNDBUF_LIMITED, 178 TCP_NLA_DATA_SEGS_OUT, 179 TCP_NLA_TOTAL_RETRANS, 180 TCP_NLA_PACING_RATE, 181 TCP_NLA_DELIVERY_RATE, 182 TCP_NLA_SND_CWND, 183 TCP_NLA_REORDERING, 184 TCP_NLA_MIN_RTT, 185 TCP_NLA_RECUR_RETRANS, 186 TCP_NLA_DELIVERY_RATE_APP_LMT, 187}; 188#define TCP_MD5SIG_MAXKEYLEN 80 189#define TCP_MD5SIG_FLAG_PREFIX 1 190struct tcp_md5sig { 191 struct sockaddr_storage tcpm_addr; 192 __u8 tcpm_flags; 193 __u8 tcpm_prefixlen; 194 __u16 tcpm_keylen; 195 __u32 __tcpm_pad; 196 __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; 197}; 198struct tcp_diag_md5sig { 199 __u8 tcpm_family; 200 __u8 tcpm_prefixlen; 201 __u16 tcpm_keylen; 202 __be32 tcpm_addr[4]; 203 __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; 204}; 205#endif 206