blob: 65bab546633df06aeecb6ee798f23e4e11134763 [file] [log] [blame]
Elliott Hughes180edef2023-11-02 00:08:05 +00001/*
2 * This file is auto-generated. Modifications will be lost.
3 *
4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
5 * for more information.
6 */
Ben Cheng655a7c02013-10-16 16:09:24 -07007#ifndef _UAPI_LINUX_TCP_H
8#define _UAPI_LINUX_TCP_H
Elliott Hughesb4a9b172023-11-28 15:41:54 -08009#include <bits/tcphdr.h>
Ben Cheng655a7c02013-10-16 16:09:24 -070010#include <linux/types.h>
11#include <asm/byteorder.h>
Ben Cheng655a7c02013-10-16 16:09:24 -070012#include <linux/socket.h>
Ben Cheng655a7c02013-10-16 16:09:24 -070013union tcp_word_hdr {
Tao Baod7db5942015-01-28 10:07:51 -080014 struct tcphdr hdr;
15 __be32 words[5];
Ben Cheng655a7c02013-10-16 16:09:24 -070016};
Tao Baod7db5942015-01-28 10:07:51 -080017#define tcp_flag_word(tp) (((union tcp_word_hdr *) (tp))->words[3])
Ben Cheng655a7c02013-10-16 16:09:24 -070018enum {
Tao Baod7db5942015-01-28 10:07:51 -080019 TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000),
Tao Baod7db5942015-01-28 10:07:51 -080020 TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000),
21 TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000),
22 TCP_FLAG_ACK = __constant_cpu_to_be32(0x00100000),
23 TCP_FLAG_PSH = __constant_cpu_to_be32(0x00080000),
Tao Baod7db5942015-01-28 10:07:51 -080024 TCP_FLAG_RST = __constant_cpu_to_be32(0x00040000),
25 TCP_FLAG_SYN = __constant_cpu_to_be32(0x00020000),
26 TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000),
27 TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000),
Tao Baod7db5942015-01-28 10:07:51 -080028 TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000)
Ben Cheng655a7c02013-10-16 16:09:24 -070029};
Ben Cheng655a7c02013-10-16 16:09:24 -070030#define TCP_MSS_DEFAULT 536U
31#define TCP_MSS_DESIRED 1220U
32#define TCP_NODELAY 1
33#define TCP_MAXSEG 2
Ben Cheng655a7c02013-10-16 16:09:24 -070034#define TCP_CORK 3
35#define TCP_KEEPIDLE 4
36#define TCP_KEEPINTVL 5
37#define TCP_KEEPCNT 6
Ben Cheng655a7c02013-10-16 16:09:24 -070038#define TCP_SYNCNT 7
39#define TCP_LINGER2 8
40#define TCP_DEFER_ACCEPT 9
41#define TCP_WINDOW_CLAMP 10
Ben Cheng655a7c02013-10-16 16:09:24 -070042#define TCP_INFO 11
43#define TCP_QUICKACK 12
44#define TCP_CONGESTION 13
45#define TCP_MD5SIG 14
Ben Cheng655a7c02013-10-16 16:09:24 -070046#define TCP_THIN_LINEAR_TIMEOUTS 16
47#define TCP_THIN_DUPACK 17
48#define TCP_USER_TIMEOUT 18
49#define TCP_REPAIR 19
Ben Cheng655a7c02013-10-16 16:09:24 -070050#define TCP_REPAIR_QUEUE 20
51#define TCP_QUEUE_SEQ 21
52#define TCP_REPAIR_OPTIONS 22
53#define TCP_FASTOPEN 23
Ben Cheng655a7c02013-10-16 16:09:24 -070054#define TCP_TIMESTAMP 24
Christopher Ferris38062f92014-07-09 15:33:25 -070055#define TCP_NOTSENT_LOWAT 25
Christopher Ferris05d08e92016-02-04 13:16:38 -080056#define TCP_CC_INFO 26
57#define TCP_SAVE_SYN 27
58#define TCP_SAVED_SYN 28
Christopher Ferris49f525c2016-12-12 14:55:36 -080059#define TCP_REPAIR_WINDOW 29
Christopher Ferris525ce912017-07-26 13:12:53 -070060#define TCP_FASTOPEN_CONNECT 30
Christopher Ferris1308ad32017-11-14 17:32:13 -080061#define TCP_ULP 31
62#define TCP_MD5SIG_EXT 32
Christopher Ferris934ec942018-01-31 15:29:16 -080063#define TCP_FASTOPEN_KEY 33
64#define TCP_FASTOPEN_NO_COOKIE 34
Christopher Ferris9ce28842018-10-25 12:11:39 -070065#define TCP_ZEROCOPY_RECEIVE 35
66#define TCP_INQ 36
67#define TCP_CM_INQ TCP_INQ
Christopher Ferrisb8a95e22019-10-02 18:29:20 -070068#define TCP_TX_DELAY 37
Christopher Ferris9ce28842018-10-25 12:11:39 -070069#define TCP_REPAIR_ON 1
70#define TCP_REPAIR_OFF 0
71#define TCP_REPAIR_OFF_NO_WP - 1
Christopher Ferris49f525c2016-12-12 14:55:36 -080072struct tcp_repair_opt {
Tao Baod7db5942015-01-28 10:07:51 -080073 __u32 opt_code;
74 __u32 opt_val;
Ben Cheng655a7c02013-10-16 16:09:24 -070075};
Christopher Ferris49f525c2016-12-12 14:55:36 -080076struct tcp_repair_window {
77 __u32 snd_wl1;
78 __u32 snd_wnd;
79 __u32 max_window;
Christopher Ferris49f525c2016-12-12 14:55:36 -080080 __u32 rcv_wnd;
81 __u32 rcv_wup;
82};
Ben Cheng655a7c02013-10-16 16:09:24 -070083enum {
Tao Baod7db5942015-01-28 10:07:51 -080084 TCP_NO_QUEUE,
85 TCP_RECV_QUEUE,
86 TCP_SEND_QUEUE,
Tao Baod7db5942015-01-28 10:07:51 -080087 TCP_QUEUES_NR,
Ben Cheng655a7c02013-10-16 16:09:24 -070088};
Christopher Ferrisd32ca142020-02-04 16:16:51 -080089enum tcp_fastopen_client_fail {
90 TFO_STATUS_UNSPEC,
91 TFO_COOKIE_UNAVAILABLE,
92 TFO_DATA_NOT_ACKED,
93 TFO_SYN_RETRANSMITTED,
94};
Christopher Ferris38062f92014-07-09 15:33:25 -070095#define TCPI_OPT_TIMESTAMPS 1
Ben Cheng655a7c02013-10-16 16:09:24 -070096#define TCPI_OPT_SACK 2
97#define TCPI_OPT_WSCALE 4
98#define TCPI_OPT_ECN 8
Christopher Ferris38062f92014-07-09 15:33:25 -070099#define TCPI_OPT_ECN_SEEN 16
Ben Cheng655a7c02013-10-16 16:09:24 -0700100#define TCPI_OPT_SYN_DATA 32
101enum tcp_ca_state {
Tao Baod7db5942015-01-28 10:07:51 -0800102 TCP_CA_Open = 0,
103#define TCPF_CA_Open (1 << TCP_CA_Open)
104 TCP_CA_Disorder = 1,
Tao Baod7db5942015-01-28 10:07:51 -0800105#define TCPF_CA_Disorder (1 << TCP_CA_Disorder)
106 TCP_CA_CWR = 2,
107#define TCPF_CA_CWR (1 << TCP_CA_CWR)
108 TCP_CA_Recovery = 3,
Tao Baod7db5942015-01-28 10:07:51 -0800109#define TCPF_CA_Recovery (1 << TCP_CA_Recovery)
110 TCP_CA_Loss = 4
111#define TCPF_CA_Loss (1 << TCP_CA_Loss)
Ben Cheng655a7c02013-10-16 16:09:24 -0700112};
113struct tcp_info {
Tao Baod7db5942015-01-28 10:07:51 -0800114 __u8 tcpi_state;
115 __u8 tcpi_ca_state;
116 __u8 tcpi_retransmits;
Tao Baod7db5942015-01-28 10:07:51 -0800117 __u8 tcpi_probes;
118 __u8 tcpi_backoff;
119 __u8 tcpi_options;
120 __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
Christopher Ferrisd32ca142020-02-04 16:16:51 -0800121 __u8 tcpi_delivery_rate_app_limited : 1, tcpi_fastopen_client_fail : 2;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800122 __u32 tcpi_rto;
Tao Baod7db5942015-01-28 10:07:51 -0800123 __u32 tcpi_ato;
124 __u32 tcpi_snd_mss;
125 __u32 tcpi_rcv_mss;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800126 __u32 tcpi_unacked;
Tao Baod7db5942015-01-28 10:07:51 -0800127 __u32 tcpi_sacked;
128 __u32 tcpi_lost;
129 __u32 tcpi_retrans;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800130 __u32 tcpi_fackets;
Tao Baod7db5942015-01-28 10:07:51 -0800131 __u32 tcpi_last_data_sent;
132 __u32 tcpi_last_ack_sent;
133 __u32 tcpi_last_data_recv;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800134 __u32 tcpi_last_ack_recv;
Tao Baod7db5942015-01-28 10:07:51 -0800135 __u32 tcpi_pmtu;
136 __u32 tcpi_rcv_ssthresh;
137 __u32 tcpi_rtt;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800138 __u32 tcpi_rttvar;
Tao Baod7db5942015-01-28 10:07:51 -0800139 __u32 tcpi_snd_ssthresh;
140 __u32 tcpi_snd_cwnd;
141 __u32 tcpi_advmss;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800142 __u32 tcpi_reordering;
Tao Baod7db5942015-01-28 10:07:51 -0800143 __u32 tcpi_rcv_rtt;
144 __u32 tcpi_rcv_space;
145 __u32 tcpi_total_retrans;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800146 __u64 tcpi_pacing_rate;
Tao Baod7db5942015-01-28 10:07:51 -0800147 __u64 tcpi_max_pacing_rate;
Christopher Ferris05d08e92016-02-04 13:16:38 -0800148 __u64 tcpi_bytes_acked;
149 __u64 tcpi_bytes_received;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800150 __u32 tcpi_segs_out;
Christopher Ferris05d08e92016-02-04 13:16:38 -0800151 __u32 tcpi_segs_in;
Christopher Ferris106b3a82016-08-24 12:15:38 -0700152 __u32 tcpi_notsent_bytes;
153 __u32 tcpi_min_rtt;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800154 __u32 tcpi_data_segs_in;
Christopher Ferris106b3a82016-08-24 12:15:38 -0700155 __u32 tcpi_data_segs_out;
Christopher Ferris6a9755d2017-01-13 14:09:31 -0800156 __u64 tcpi_delivery_rate;
Christopher Ferris48af7cb2017-02-21 12:35:09 -0800157 __u64 tcpi_busy_time;
Christopher Ferris48af7cb2017-02-21 12:35:09 -0800158 __u64 tcpi_rwnd_limited;
159 __u64 tcpi_sndbuf_limited;
Christopher Ferris9ce28842018-10-25 12:11:39 -0700160 __u32 tcpi_delivered;
161 __u32 tcpi_delivered_ce;
162 __u64 tcpi_bytes_sent;
163 __u64 tcpi_bytes_retrans;
164 __u32 tcpi_dsack_dups;
165 __u32 tcpi_reord_seen;
Christopher Ferris9584fa42019-12-09 15:36:13 -0800166 __u32 tcpi_rcv_ooopack;
167 __u32 tcpi_snd_wnd;
Christopher Ferris8b7fdc92023-02-21 13:36:32 -0800168 __u32 tcpi_rcv_wnd;
169 __u32 tcpi_rehash;
Christopher Ferris48af7cb2017-02-21 12:35:09 -0800170};
171enum {
Christopher Ferris48af7cb2017-02-21 12:35:09 -0800172 TCP_NLA_PAD,
173 TCP_NLA_BUSY,
174 TCP_NLA_RWND_LIMITED,
175 TCP_NLA_SNDBUF_LIMITED,
Christopher Ferris525ce912017-07-26 13:12:53 -0700176 TCP_NLA_DATA_SEGS_OUT,
177 TCP_NLA_TOTAL_RETRANS,
Christopher Ferris1308ad32017-11-14 17:32:13 -0800178 TCP_NLA_PACING_RATE,
179 TCP_NLA_DELIVERY_RATE,
180 TCP_NLA_SND_CWND,
181 TCP_NLA_REORDERING,
182 TCP_NLA_MIN_RTT,
183 TCP_NLA_RECUR_RETRANS,
184 TCP_NLA_DELIVERY_RATE_APP_LMT,
Christopher Ferris76a1d452018-06-27 14:12:29 -0700185 TCP_NLA_SNDQ_SIZE,
186 TCP_NLA_CA_STATE,
187 TCP_NLA_SND_SSTHRESH,
Christopher Ferris9ce28842018-10-25 12:11:39 -0700188 TCP_NLA_DELIVERED,
189 TCP_NLA_DELIVERED_CE,
190 TCP_NLA_BYTES_SENT,
191 TCP_NLA_BYTES_RETRANS,
192 TCP_NLA_DSACK_DUPS,
193 TCP_NLA_REORD_SEEN,
Christopher Ferrisd842e432019-03-07 10:21:59 -0800194 TCP_NLA_SRTT,
Christopher Ferrisbb9fcb42020-04-06 11:38:04 -0700195 TCP_NLA_TIMEOUT_REHASH,
Christopher Ferrisaf09c702020-06-01 20:29:29 -0700196 TCP_NLA_BYTES_NOTSENT,
Christopher Ferris25c18d42020-10-14 17:42:58 -0700197 TCP_NLA_EDT,
Christopher Ferrisa9750ed2021-05-03 14:02:49 -0700198 TCP_NLA_TTL,
Christopher Ferris8b7fdc92023-02-21 13:36:32 -0800199 TCP_NLA_REHASH,
Christopher Ferris48af7cb2017-02-21 12:35:09 -0800200};
Ben Cheng655a7c02013-10-16 16:09:24 -0700201#define TCP_MD5SIG_MAXKEYLEN 80
Christopher Ferrisbb9fcb42020-04-06 11:38:04 -0700202#define TCP_MD5SIG_FLAG_PREFIX 0x1
203#define TCP_MD5SIG_FLAG_IFINDEX 0x2
Christopher Ferris38062f92014-07-09 15:33:25 -0700204struct tcp_md5sig {
Elliott Hughes5850f6f2023-11-29 11:18:49 -0800205 struct sockaddr_storage tcpm_addr;
Christopher Ferris1308ad32017-11-14 17:32:13 -0800206 __u8 tcpm_flags;
207 __u8 tcpm_prefixlen;
Tao Baod7db5942015-01-28 10:07:51 -0800208 __u16 tcpm_keylen;
Christopher Ferrisbb9fcb42020-04-06 11:38:04 -0700209 int tcpm_ifindex;
Christopher Ferris1308ad32017-11-14 17:32:13 -0800210 __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN];
211};
212struct tcp_diag_md5sig {
213 __u8 tcpm_family;
214 __u8 tcpm_prefixlen;
215 __u16 tcpm_keylen;
216 __be32 tcpm_addr[4];
Tao Baod7db5942015-01-28 10:07:51 -0800217 __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN];
Christopher Ferris48af7cb2017-02-21 12:35:09 -0800218};
Christopher Ferris05667cd2021-02-16 16:01:34 -0800219#define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1
Christopher Ferris9ce28842018-10-25 12:11:39 -0700220struct tcp_zerocopy_receive {
221 __u64 address;
222 __u32 length;
223 __u32 recv_skip_hint;
Christopher Ferrisaf09c702020-06-01 20:29:29 -0700224 __u32 inq;
225 __s32 err;
Christopher Ferris05667cd2021-02-16 16:01:34 -0800226 __u64 copybuf_address;
227 __s32 copybuf_len;
228 __u32 flags;
Christopher Ferrisa9750ed2021-05-03 14:02:49 -0700229 __u64 msg_control;
230 __u64 msg_controllen;
231 __u32 msg_flags;
232 __u32 reserved;
Christopher Ferris9ce28842018-10-25 12:11:39 -0700233};
Ben Cheng655a7c02013-10-16 16:09:24 -0700234#endif