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Diffstat (limited to 'sysdeps/gnu/netinet/tcp.h')
| -rw-r--r-- | sysdeps/gnu/netinet/tcp.h | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h deleted file mode 100644 index af94b8e82c..0000000000 --- a/sysdeps/gnu/netinet/tcp.h +++ /dev/null @@ -1,324 +0,0 @@ -/* - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)tcp.h 8.1 (Berkeley) 6/10/93 - */ - -#ifndef _NETINET_TCP_H -#define _NETINET_TCP_H 1 - -#include <features.h> - -/* - * User-settable options (used with setsockopt). - */ -#define TCP_NODELAY 1 /* Don't delay send to coalesce packets */ -#define TCP_MAXSEG 2 /* Set maximum segment size */ -#define TCP_CORK 3 /* Control sending of partial frames */ -#define TCP_KEEPIDLE 4 /* Start keeplives after this period */ -#define TCP_KEEPINTVL 5 /* Interval between keepalives */ -#define TCP_KEEPCNT 6 /* Number of keepalives before death */ -#define TCP_SYNCNT 7 /* Number of SYN retransmits */ -#define TCP_LINGER2 8 /* Life time of orphaned FIN-WAIT-2 state */ -#define TCP_DEFER_ACCEPT 9 /* Wake up listener only when data arrive */ -#define TCP_WINDOW_CLAMP 10 /* Bound advertised window */ -#define TCP_INFO 11 /* Information about this connection. */ -#define TCP_QUICKACK 12 /* Bock/reenable quick ACKs. */ -#define TCP_CONGESTION 13 /* Congestion control algorithm. */ -#define TCP_MD5SIG 14 /* TCP MD5 Signature (RFC2385) */ -#define TCP_COOKIE_TRANSACTIONS 15 /* TCP Cookie Transactions */ -#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/ -#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */ -#define TCP_USER_TIMEOUT 18 /* How long for loss retry before timeout */ -#define TCP_REPAIR 19 /* TCP sock is under repair right now */ -#define TCP_REPAIR_QUEUE 20 /* Set TCP queue to repair */ -#define TCP_QUEUE_SEQ 21 /* Set sequence number of repaired queue. */ -#define TCP_REPAIR_OPTIONS 22 /* Repair TCP connection options */ -#define TCP_FASTOPEN 23 /* Enable FastOpen on listeners */ -#define TCP_TIMESTAMP 24 /* TCP time stamp */ -#define TCP_NOTSENT_LOWAT 25 /* Limit number of unsent bytes in - write queue. */ -#define TCP_CC_INFO 26 /* Get Congestion Control - (optional) info. */ -#define TCP_SAVE_SYN 27 /* Record SYN headers for new - connections. */ -#define TCP_SAVED_SYN 28 /* Get SYN headers recorded for - connection. */ -#define TCP_REPAIR_WINDOW 29 /* Get/set window parameters. */ -#define TCP_FASTOPEN_CONNECT 30 /* Attempt FastOpen with connect. */ - -#ifdef __USE_MISC -# include <sys/types.h> -# include <sys/socket.h> -# include <stdint.h> - -typedef uint32_t tcp_seq; -/* - * TCP header. - * Per RFC 793, September, 1981. - */ -struct tcphdr - { - __extension__ union - { - struct - { - uint16_t th_sport; /* source port */ - uint16_t th_dport; /* destination port */ - tcp_seq th_seq; /* sequence number */ - tcp_seq th_ack; /* acknowledgement number */ -# if __BYTE_ORDER == __LITTLE_ENDIAN - uint8_t th_x2:4; /* (unused) */ - uint8_t th_off:4; /* data offset */ -# endif -# if __BYTE_ORDER == __BIG_ENDIAN - uint8_t th_off:4; /* data offset */ - uint8_t th_x2:4; /* (unused) */ -# endif - uint8_t th_flags; -# define TH_FIN 0x01 -# define TH_SYN 0x02 -# define TH_RST 0x04 -# define TH_PUSH 0x08 -# define TH_ACK 0x10 -# define TH_URG 0x20 - uint16_t th_win; /* window */ - uint16_t th_sum; /* checksum */ - uint16_t th_urp; /* urgent pointer */ - }; - struct - { - uint16_t source; - uint16_t dest; - uint32_t seq; - uint32_t ack_seq; -# if __BYTE_ORDER == __LITTLE_ENDIAN - uint16_t res1:4; - uint16_t doff:4; - uint16_t fin:1; - uint16_t syn:1; - uint16_t rst:1; - uint16_t psh:1; - uint16_t ack:1; - uint16_t urg:1; - uint16_t res2:2; -# elif __BYTE_ORDER == __BIG_ENDIAN - uint16_t doff:4; - uint16_t res1:4; - uint16_t res2:2; - uint16_t urg:1; - uint16_t ack:1; - uint16_t psh:1; - uint16_t rst:1; - uint16_t syn:1; - uint16_t fin:1; -# else -# error "Adjust your <bits/endian.h> defines" -# endif - uint16_t window; - uint16_t check; - uint16_t urg_ptr; - }; - }; -}; - -enum -{ - TCP_ESTABLISHED = 1, - TCP_SYN_SENT, - TCP_SYN_RECV, - TCP_FIN_WAIT1, - TCP_FIN_WAIT2, - TCP_TIME_WAIT, - TCP_CLOSE, - TCP_CLOSE_WAIT, - TCP_LAST_ACK, - TCP_LISTEN, - TCP_CLOSING /* now a valid state */ -}; - -# define TCPOPT_EOL 0 -# define TCPOPT_NOP 1 -# define TCPOPT_MAXSEG 2 -# define TCPOLEN_MAXSEG 4 -# define TCPOPT_WINDOW 3 -# define TCPOLEN_WINDOW 3 -# define TCPOPT_SACK_PERMITTED 4 /* Experimental */ -# define TCPOLEN_SACK_PERMITTED 2 -# define TCPOPT_SACK 5 /* Experimental */ -# define TCPOPT_TIMESTAMP 8 -# define TCPOLEN_TIMESTAMP 10 -# define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ - -# define TCPOPT_TSTAMP_HDR \ - (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) - -/* - * Default maximum segment size for TCP. - * With an IP MSS of 576, this is 536, - * but 512 is probably more convenient. - * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)). - */ -# define TCP_MSS 512 - -# define TCP_MAXWIN 65535 /* largest value for (unscaled) window */ - -# define TCP_MAX_WINSHIFT 14 /* maximum window shift */ - -# define SOL_TCP 6 /* TCP level */ - - -# define TCPI_OPT_TIMESTAMPS 1 -# define TCPI_OPT_SACK 2 -# define TCPI_OPT_WSCALE 4 -# define TCPI_OPT_ECN 8 /* ECN was negociated at TCP session init */ -# define TCPI_OPT_ECN_SEEN 16 /* we received at least one packet with ECT */ -# define TCPI_OPT_SYN_DATA 32 /* SYN-ACK acked data in SYN sent or rcvd */ - -/* Values for tcpi_state. */ -enum tcp_ca_state -{ - TCP_CA_Open = 0, - TCP_CA_Disorder = 1, - TCP_CA_CWR = 2, - TCP_CA_Recovery = 3, - TCP_CA_Loss = 4 -}; - -struct tcp_info -{ - uint8_t tcpi_state; - uint8_t tcpi_ca_state; - uint8_t tcpi_retransmits; - uint8_t tcpi_probes; - uint8_t tcpi_backoff; - uint8_t tcpi_options; - uint8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; - - uint32_t tcpi_rto; - uint32_t tcpi_ato; - uint32_t tcpi_snd_mss; - uint32_t tcpi_rcv_mss; - - uint32_t tcpi_unacked; - uint32_t tcpi_sacked; - uint32_t tcpi_lost; - uint32_t tcpi_retrans; - uint32_t tcpi_fackets; - - /* Times. */ - uint32_t tcpi_last_data_sent; - uint32_t tcpi_last_ack_sent; /* Not remembered, sorry. */ - uint32_t tcpi_last_data_recv; - uint32_t tcpi_last_ack_recv; - - /* Metrics. */ - uint32_t tcpi_pmtu; - uint32_t tcpi_rcv_ssthresh; - uint32_t tcpi_rtt; - uint32_t tcpi_rttvar; - uint32_t tcpi_snd_ssthresh; - uint32_t tcpi_snd_cwnd; - uint32_t tcpi_advmss; - uint32_t tcpi_reordering; - - uint32_t tcpi_rcv_rtt; - uint32_t tcpi_rcv_space; - - uint32_t tcpi_total_retrans; -}; - - -/* For TCP_MD5SIG socket option. */ -#define TCP_MD5SIG_MAXKEYLEN 80 - -struct tcp_md5sig -{ - struct sockaddr_storage tcpm_addr; /* Address associated. */ - uint16_t __tcpm_pad1; /* Zero. */ - uint16_t tcpm_keylen; /* Key length. */ - uint32_t __tcpm_pad2; /* Zero. */ - uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN]; /* Key (binary). */ -}; - -/* For socket repair options. */ -struct tcp_repair_opt -{ - uint32_t opt_code; - uint32_t opt_val; -}; - -/* Queue to repair, for TCP_REPAIR_QUEUE. */ -enum -{ - TCP_NO_QUEUE, - TCP_RECV_QUEUE, - TCP_SEND_QUEUE, - TCP_QUEUES_NR, -}; - -/* For cookie transactions socket options. */ -#define TCP_COOKIE_MIN 8 /* 64-bits */ -#define TCP_COOKIE_MAX 16 /* 128-bits */ -#define TCP_COOKIE_PAIR_SIZE (2*TCP_COOKIE_MAX) - -/* Flags for both getsockopt and setsockopt */ -#define TCP_COOKIE_IN_ALWAYS (1 << 0) /* Discard SYN without cookie */ -#define TCP_COOKIE_OUT_NEVER (1 << 1) /* Prohibit outgoing cookies, - * supercedes everything. */ - -/* Flags for getsockopt */ -#define TCP_S_DATA_IN (1 << 2) /* Was data received? */ -#define TCP_S_DATA_OUT (1 << 3) /* Was data sent? */ - -#define TCP_MSS_DEFAULT 536U /* IPv4 (RFC1122, RFC2581) */ -#define TCP_MSS_DESIRED 1220U /* IPv6 (tunneled), EDNS0 (RFC3226) */ - -struct tcp_cookie_transactions -{ - uint16_t tcpct_flags; - uint8_t __tcpct_pad1; - uint8_t tcpct_cookie_desired; - uint16_t tcpct_s_data_desired; - uint16_t tcpct_used; - uint8_t tcpct_value[TCP_MSS_DEFAULT]; -}; - -/* For use with TCP_REPAIR_WINDOW. */ -struct tcp_repair_window -{ - uint32_t snd_wl1; - uint32_t snd_wnd; - uint32_t max_window; - uint32_t rcv_wnd; - uint32_t rcv_wup; -}; - -#endif /* Misc. */ - -#endif /* netinet/tcp.h */ |