| #ifndef _NETINET_TCP_H |
| #define _NETINET_TCP_H |
| |
| #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_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 |
| #define TCP_NOTSENT_LOWAT 25 |
| #define TCP_CC_INFO 26 |
| #define TCP_SAVE_SYN 27 |
| #define TCP_SAVED_SYN 28 |
| #define TCP_REPAIR_WINDOW 29 |
| #define TCP_FASTOPEN_CONNECT 30 |
| #define TCP_ULP 31 |
| #define TCP_MD5SIG_EXT 32 |
| #define TCP_FASTOPEN_KEY 33 |
| #define TCP_FASTOPEN_NO_COOKIE 34 |
| #define TCP_ZEROCOPY_RECEIVE 35 |
| #define TCP_INQ 36 |
| #define TCP_TX_DELAY 37 |
| |
| #define TCP_CM_INQ TCP_INQ |
| |
| #define TCP_ESTABLISHED 1 |
| #define TCP_SYN_SENT 2 |
| #define TCP_SYN_RECV 3 |
| #define TCP_FIN_WAIT1 4 |
| #define TCP_FIN_WAIT2 5 |
| #define TCP_TIME_WAIT 6 |
| #define TCP_CLOSE 7 |
| #define TCP_CLOSE_WAIT 8 |
| #define TCP_LAST_ACK 9 |
| #define TCP_LISTEN 10 |
| #define TCP_CLOSING 11 |
| |
| enum { |
| TCP_NLA_PAD, |
| TCP_NLA_BUSY, |
| TCP_NLA_RWND_LIMITED, |
| TCP_NLA_SNDBUF_LIMITED, |
| TCP_NLA_DATA_SEGS_OUT, |
| TCP_NLA_TOTAL_RETRANS, |
| TCP_NLA_PACING_RATE, |
| TCP_NLA_DELIVERY_RATE, |
| TCP_NLA_SND_CWND, |
| TCP_NLA_REORDERING, |
| TCP_NLA_MIN_RTT, |
| TCP_NLA_RECUR_RETRANS, |
| TCP_NLA_DELIVERY_RATE_APP_LMT, |
| TCP_NLA_SNDQ_SIZE, |
| TCP_NLA_CA_STATE, |
| TCP_NLA_SND_SSTHRESH, |
| TCP_NLA_DELIVERED, |
| TCP_NLA_DELIVERED_CE, |
| TCP_NLA_BYTES_SENT, |
| TCP_NLA_BYTES_RETRANS, |
| TCP_NLA_DSACK_DUPS, |
| TCP_NLA_REORD_SEEN, |
| TCP_NLA_SRTT, |
| TCP_NLA_TIMEOUT_REHASH, |
| TCP_NLA_BYTES_NOTSENT, |
| TCP_NLA_EDT, |
| TCP_NLA_TTL, |
| }; |
| |
| #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) |
| #define TCPOPT_EOL 0 |
| #define TCPOPT_NOP 1 |
| #define TCPOPT_MAXSEG 2 |
| #define TCPOPT_WINDOW 3 |
| #define TCPOPT_SACK_PERMITTED 4 |
| #define TCPOPT_SACK 5 |
| #define TCPOPT_TIMESTAMP 8 |
| #define TCPOLEN_SACK_PERMITTED 2 |
| #define TCPOLEN_WINDOW 3 |
| #define TCPOLEN_MAXSEG 4 |
| #define TCPOLEN_TIMESTAMP 10 |
| |
| #define SOL_TCP 6 |
| |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <stdint.h> |
| |
| typedef uint32_t tcp_seq; |
| |
| #define TH_FIN 0x01 |
| #define TH_SYN 0x02 |
| #define TH_RST 0x04 |
| #define TH_PUSH 0x08 |
| #define TH_ACK 0x10 |
| #define TH_URG 0x20 |
| |
| struct tcphdr { |
| #ifdef _GNU_SOURCE |
| #ifdef __GNUC__ |
| __extension__ |
| #endif |
| union { 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; |
| #else |
| 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; |
| #endif |
| uint16_t window; |
| uint16_t check; |
| uint16_t urg_ptr; |
| |
| }; struct { |
| #endif |
| |
| uint16_t th_sport; |
| uint16_t th_dport; |
| uint32_t th_seq; |
| uint32_t th_ack; |
| #if __BYTE_ORDER == __LITTLE_ENDIAN |
| uint8_t th_x2:4; |
| uint8_t th_off:4; |
| #else |
| uint8_t th_off:4; |
| uint8_t th_x2:4; |
| #endif |
| uint8_t th_flags; |
| uint16_t th_win; |
| uint16_t th_sum; |
| uint16_t th_urp; |
| |
| #ifdef _GNU_SOURCE |
| }; }; |
| #endif |
| }; |
| #endif |
| |
| #ifdef _GNU_SOURCE |
| #define TCPI_OPT_TIMESTAMPS 1 |
| #define TCPI_OPT_SACK 2 |
| #define TCPI_OPT_WSCALE 4 |
| #define TCPI_OPT_ECN 8 |
| |
| #define TCP_CA_Open 0 |
| #define TCP_CA_Disorder 1 |
| #define TCP_CA_CWR 2 |
| #define TCP_CA_Recovery 3 |
| #define TCP_CA_Loss 4 |
| |
| enum tcp_fastopen_client_fail { |
| TFO_STATUS_UNSPEC, |
| TFO_COOKIE_UNAVAILABLE, |
| TFO_DATA_NOT_ACKED, |
| TFO_SYN_RETRANSMITTED, |
| }; |
| |
| 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; |
| uint8_t tcpi_delivery_rate_app_limited : 1, tcpi_fastopen_client_fail : 2; |
| 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; |
| uint32_t tcpi_last_data_sent; |
| uint32_t tcpi_last_ack_sent; |
| uint32_t tcpi_last_data_recv; |
| uint32_t tcpi_last_ack_recv; |
| 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; |
| uint64_t tcpi_pacing_rate; |
| uint64_t tcpi_max_pacing_rate; |
| uint64_t tcpi_bytes_acked; |
| uint64_t tcpi_bytes_received; |
| uint32_t tcpi_segs_out; |
| uint32_t tcpi_segs_in; |
| uint32_t tcpi_notsent_bytes; |
| uint32_t tcpi_min_rtt; |
| uint32_t tcpi_data_segs_in; |
| uint32_t tcpi_data_segs_out; |
| uint64_t tcpi_delivery_rate; |
| uint64_t tcpi_busy_time; |
| uint64_t tcpi_rwnd_limited; |
| uint64_t tcpi_sndbuf_limited; |
| uint32_t tcpi_delivered; |
| uint32_t tcpi_delivered_ce; |
| uint64_t tcpi_bytes_sent; |
| uint64_t tcpi_bytes_retrans; |
| uint32_t tcpi_dsack_dups; |
| uint32_t tcpi_reord_seen; |
| uint32_t tcpi_rcv_ooopack; |
| uint32_t tcpi_snd_wnd; |
| }; |
| |
| #define TCP_MD5SIG_MAXKEYLEN 80 |
| |
| #define TCP_MD5SIG_FLAG_PREFIX 0x1 |
| #define TCP_MD5SIG_FLAG_IFINDEX 0x2 |
| |
| struct tcp_md5sig { |
| struct sockaddr_storage tcpm_addr; |
| uint8_t tcpm_flags; |
| uint8_t tcpm_prefixlen; |
| uint16_t tcpm_keylen; |
| int tcpm_ifindex; |
| uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN]; |
| }; |
| |
| struct tcp_diag_md5sig { |
| uint8_t tcpm_family; |
| uint8_t tcpm_prefixlen; |
| uint16_t tcpm_keylen; |
| uint32_t tcpm_addr[4]; |
| uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN]; |
| }; |
| |
| #define TCP_REPAIR_ON 1 |
| #define TCP_REPAIR_OFF 0 |
| #define TCP_REPAIR_OFF_NO_WP -1 |
| |
| struct tcp_repair_window { |
| uint32_t snd_wl1; |
| uint32_t snd_wnd; |
| uint32_t max_window; |
| uint32_t rcv_wnd; |
| uint32_t rcv_wup; |
| }; |
| |
| #define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1 |
| |
| struct tcp_zerocopy_receive { |
| uint64_t address; |
| uint32_t length; |
| uint32_t recv_skip_hint; |
| uint32_t inq; |
| int32_t err; |
| uint64_t copybuf_address; |
| int32_t copybuf_len; |
| uint32_t flags; |
| uint64_t msg_control; |
| uint64_t msg_controllen; |
| uint32_t msg_flags; |
| uint32_t reserved; |
| }; |
| |
| #endif |
| |
| #endif |