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- #ifndef _NETINET_TCP_H
- #define _NETINET_TCP_H 1
- #include <features.h>
- #define TCP_NODELAY 1
- #define TCP_MAXSEG 2
- #define TCP_CORK 3
- #define TCP_KEEPIDLE 4
- #define TCP_KEEPINTVL 5
- #define TCP_KEEPCNT 6
- #define TCP_SYNCNT 7
- #define TCP_LINGER2 8
- #define TCP_DEFER_ACCEPT 9
- #define TCP_WINDOW_CLAMP 10
- #define TCP_INFO 11
- #define TCP_QUICKACK 12
- #define TCP_CONGESTION 13
- #define TCP_MD5SIG 14
- #define TCP_COOKIE_TRANSACTIONS 15
- #define TCP_THIN_LINEAR_TIMEOUTS 16
- #define TCP_THIN_DUPACK 17
- #define TCP_USER_TIMEOUT 18
- #define TCP_REPAIR 19
- #define TCP_REPAIR_QUEUE 20
- #define TCP_QUEUE_SEQ 21
- #define TCP_REPAIR_OPTIONS 22
- #define TCP_FASTOPEN 23
- #define TCP_TIMESTAMP 24
- #ifdef __USE_MISC
- # include <sys/types.h>
- # include <sys/socket.h>
- # ifdef __FAVOR_BSD
- typedef u_int32_t tcp_seq;
- struct tcphdr
- {
- u_int16_t th_sport;
- u_int16_t th_dport;
- tcp_seq th_seq;
- tcp_seq th_ack;
- # if __BYTE_ORDER == __LITTLE_ENDIAN
- u_int8_t th_x2:4;
- u_int8_t th_off:4;
- # endif
- # if __BYTE_ORDER == __BIG_ENDIAN
- u_int8_t th_off:4;
- u_int8_t th_x2:4;
- # endif
- u_int8_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
- u_int16_t th_win;
- u_int16_t th_sum;
- u_int16_t th_urp;
- };
- # else
- struct tcphdr
- {
- u_int16_t source;
- u_int16_t dest;
- u_int32_t seq;
- u_int32_t ack_seq;
- # if __BYTE_ORDER == __LITTLE_ENDIAN
- u_int16_t res1:4;
- u_int16_t doff:4;
- u_int16_t fin:1;
- u_int16_t syn:1;
- u_int16_t rst:1;
- u_int16_t psh:1;
- u_int16_t ack:1;
- u_int16_t urg:1;
- u_int16_t res2:2;
- # elif __BYTE_ORDER == __BIG_ENDIAN
- u_int16_t doff:4;
- u_int16_t res1:4;
- u_int16_t res2:2;
- u_int16_t urg:1;
- u_int16_t ack:1;
- u_int16_t psh:1;
- u_int16_t rst:1;
- u_int16_t syn:1;
- u_int16_t fin:1;
- # else
- # error "Adjust your <bits/endian.h> defines"
- # endif
- u_int16_t window;
- u_int16_t check;
- u_int16_t urg_ptr;
- };
- # endif
- 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
- };
- # 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
- # define TCPOLEN_SACK_PERMITTED 2
- # define TCPOPT_SACK 5
- # define TCPOPT_TIMESTAMP 8
- # define TCPOLEN_TIMESTAMP 10
- # define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2)
- # define TCPOPT_TSTAMP_HDR \
- (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
- # define TCP_MSS 512
- # define TCP_MAXWIN 65535
- # define TCP_MAX_WINSHIFT 14
- # define SOL_TCP 6
- # define TCPI_OPT_TIMESTAMPS 1
- # define TCPI_OPT_SACK 2
- # define TCPI_OPT_WSCALE 4
- # define TCPI_OPT_ECN 8
- 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
- {
- u_int8_t tcpi_state;
- u_int8_t tcpi_ca_state;
- u_int8_t tcpi_retransmits;
- u_int8_t tcpi_probes;
- u_int8_t tcpi_backoff;
- u_int8_t tcpi_options;
- u_int8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
- u_int32_t tcpi_rto;
- u_int32_t tcpi_ato;
- u_int32_t tcpi_snd_mss;
- u_int32_t tcpi_rcv_mss;
- u_int32_t tcpi_unacked;
- u_int32_t tcpi_sacked;
- u_int32_t tcpi_lost;
- u_int32_t tcpi_retrans;
- u_int32_t tcpi_fackets;
-
- u_int32_t tcpi_last_data_sent;
- u_int32_t tcpi_last_ack_sent;
- u_int32_t tcpi_last_data_recv;
- u_int32_t tcpi_last_ack_recv;
-
- u_int32_t tcpi_pmtu;
- u_int32_t tcpi_rcv_ssthresh;
- u_int32_t tcpi_rtt;
- u_int32_t tcpi_rttvar;
- u_int32_t tcpi_snd_ssthresh;
- u_int32_t tcpi_snd_cwnd;
- u_int32_t tcpi_advmss;
- u_int32_t tcpi_reordering;
- u_int32_t tcpi_rcv_rtt;
- u_int32_t tcpi_rcv_space;
- u_int32_t tcpi_total_retrans;
- };
- #define TCP_MD5SIG_MAXKEYLEN 80
- struct tcp_md5sig
- {
- struct sockaddr_storage tcpm_addr;
- u_int16_t __tcpm_pad1;
- u_int16_t tcpm_keylen;
- u_int32_t __tcpm_pad2;
- u_int8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN];
- };
- #endif
- #endif
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