1 #ifndef _NETINET_TCP_H 2 #define _NETINET_TCP_H 3 4 #include <features.h> 5 6 #define TCP_NODELAY 1 7 #define TCP_MAXSEG 2 8 #define TCP_CORK 3 9 #define TCP_KEEPIDLE 4 10 #define TCP_KEEPINTVL 5 11 #define TCP_KEEPCNT 6 12 #define TCP_SYNCNT 7 13 #define TCP_LINGER2 8 14 #define TCP_DEFER_ACCEPT 9 15 #define TCP_WINDOW_CLAMP 10 16 #define TCP_INFO 11 17 #define TCP_QUICKACK 12 18 #define TCP_CONGESTION 13 19 #define TCP_MD5SIG 14 20 #define TCP_THIN_LINEAR_TIMEOUTS 16 21 #define TCP_THIN_DUPACK 17 22 #define TCP_USER_TIMEOUT 18 23 #define TCP_REPAIR 19 24 #define TCP_REPAIR_QUEUE 20 25 #define TCP_QUEUE_SEQ 21 26 #define TCP_REPAIR_OPTIONS 22 27 #define TCP_FASTOPEN 23 28 #define TCP_TIMESTAMP 24 29 #define TCP_NOTSENT_LOWAT 25 30 #define TCP_CC_INFO 26 31 #define TCP_SAVE_SYN 27 32 #define TCP_SAVED_SYN 28 33 #define TCP_REPAIR_WINDOW 29 34 #define TCP_FASTOPEN_CONNECT 30 35 #define TCP_ULP 31 36 #define TCP_MD5SIG_EXT 32 37 #define TCP_FASTOPEN_KEY 33 38 #define TCP_FASTOPEN_NO_COOKIE 34 39 #define TCP_ZEROCOPY_RECEIVE 35 40 #define TCP_INQ 36 41 #define TCP_TX_DELAY 37 42 43 #define TCP_CM_INQ TCP_INQ 44 45 #define TCP_ESTABLISHED 1 46 #define TCP_SYN_SENT 2 47 #define TCP_SYN_RECV 3 48 #define TCP_FIN_WAIT1 4 49 #define TCP_FIN_WAIT2 5 50 #define TCP_TIME_WAIT 6 51 #define TCP_CLOSE 7 52 #define TCP_CLOSE_WAIT 8 53 #define TCP_LAST_ACK 9 54 #define TCP_LISTEN 10 55 #define TCP_CLOSING 11 56 57 enum { 58 TCP_NLA_PAD, 59 TCP_NLA_BUSY, 60 TCP_NLA_RWND_LIMITED, 61 TCP_NLA_SNDBUF_LIMITED, 62 TCP_NLA_DATA_SEGS_OUT, 63 TCP_NLA_TOTAL_RETRANS, 64 TCP_NLA_PACING_RATE, 65 TCP_NLA_DELIVERY_RATE, 66 TCP_NLA_SND_CWND, 67 TCP_NLA_REORDERING, 68 TCP_NLA_MIN_RTT, 69 TCP_NLA_RECUR_RETRANS, 70 TCP_NLA_DELIVERY_RATE_APP_LMT, 71 TCP_NLA_SNDQ_SIZE, 72 TCP_NLA_CA_STATE, 73 TCP_NLA_SND_SSTHRESH, 74 TCP_NLA_DELIVERED, 75 TCP_NLA_DELIVERED_CE, 76 TCP_NLA_BYTES_SENT, 77 TCP_NLA_BYTES_RETRANS, 78 TCP_NLA_DSACK_DUPS, 79 TCP_NLA_REORD_SEEN, 80 TCP_NLA_SRTT, 81 TCP_NLA_TIMEOUT_REHASH, 82 TCP_NLA_BYTES_NOTSENT, 83 TCP_NLA_EDT, 84 TCP_NLA_TTL, 85 }; 86 87 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 88 #define TCPOPT_EOL 0 89 #define TCPOPT_NOP 1 90 #define TCPOPT_MAXSEG 2 91 #define TCPOPT_WINDOW 3 92 #define TCPOPT_SACK_PERMITTED 4 93 #define TCPOPT_SACK 5 94 #define TCPOPT_TIMESTAMP 8 95 #define TCPOLEN_SACK_PERMITTED 2 96 #define TCPOLEN_WINDOW 3 97 #define TCPOLEN_MAXSEG 4 98 #define TCPOLEN_TIMESTAMP 10 99 100 #define SOL_TCP 6 101 102 #include <sys/types.h> 103 #include <sys/socket.h> 104 #include <stdint.h> 105 106 typedef uint32_t tcp_seq; 107 108 #define TH_FIN 0x01 109 #define TH_SYN 0x02 110 #define TH_RST 0x04 111 #define TH_PUSH 0x08 112 #define TH_ACK 0x10 113 #define TH_URG 0x20 114 115 #include <bits/tcphdr.h> 116 #endif 117 118 #ifdef _GNU_SOURCE 119 #define TCPI_OPT_TIMESTAMPS 1 120 #define TCPI_OPT_SACK 2 121 #define TCPI_OPT_WSCALE 4 122 #define TCPI_OPT_ECN 8 123 124 #define TCP_CA_Open 0 125 #define TCP_CA_Disorder 1 126 #define TCP_CA_CWR 2 127 #define TCP_CA_Recovery 3 128 #define TCP_CA_Loss 4 129 130 enum tcp_fastopen_client_fail { 131 TFO_STATUS_UNSPEC, 132 TFO_COOKIE_UNAVAILABLE, 133 TFO_DATA_NOT_ACKED, 134 TFO_SYN_RETRANSMITTED, 135 }; 136 137 struct tcp_info { 138 uint8_t tcpi_state; 139 uint8_t tcpi_ca_state; 140 uint8_t tcpi_retransmits; 141 uint8_t tcpi_probes; 142 uint8_t tcpi_backoff; 143 uint8_t tcpi_options; 144 uint8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; 145 uint8_t tcpi_delivery_rate_app_limited : 1, tcpi_fastopen_client_fail : 2; 146 uint32_t tcpi_rto; 147 uint32_t tcpi_ato; 148 uint32_t tcpi_snd_mss; 149 uint32_t tcpi_rcv_mss; 150 uint32_t tcpi_unacked; 151 uint32_t tcpi_sacked; 152 uint32_t tcpi_lost; 153 uint32_t tcpi_retrans; 154 uint32_t tcpi_fackets; 155 uint32_t tcpi_last_data_sent; 156 uint32_t tcpi_last_ack_sent; 157 uint32_t tcpi_last_data_recv; 158 uint32_t tcpi_last_ack_recv; 159 uint32_t tcpi_pmtu; 160 uint32_t tcpi_rcv_ssthresh; 161 uint32_t tcpi_rtt; 162 uint32_t tcpi_rttvar; 163 uint32_t tcpi_snd_ssthresh; 164 uint32_t tcpi_snd_cwnd; 165 uint32_t tcpi_advmss; 166 uint32_t tcpi_reordering; 167 uint32_t tcpi_rcv_rtt; 168 uint32_t tcpi_rcv_space; 169 uint32_t tcpi_total_retrans; 170 uint64_t tcpi_pacing_rate; 171 uint64_t tcpi_max_pacing_rate; 172 uint64_t tcpi_bytes_acked; 173 uint64_t tcpi_bytes_received; 174 uint32_t tcpi_segs_out; 175 uint32_t tcpi_segs_in; 176 uint32_t tcpi_notsent_bytes; 177 uint32_t tcpi_min_rtt; 178 uint32_t tcpi_data_segs_in; 179 uint32_t tcpi_data_segs_out; 180 uint64_t tcpi_delivery_rate; 181 uint64_t tcpi_busy_time; 182 uint64_t tcpi_rwnd_limited; 183 uint64_t tcpi_sndbuf_limited; 184 uint32_t tcpi_delivered; 185 uint32_t tcpi_delivered_ce; 186 uint64_t tcpi_bytes_sent; 187 uint64_t tcpi_bytes_retrans; 188 uint32_t tcpi_dsack_dups; 189 uint32_t tcpi_reord_seen; 190 uint32_t tcpi_rcv_ooopack; 191 uint32_t tcpi_snd_wnd; 192 }; 193 194 #define TCP_MD5SIG_MAXKEYLEN 80 195 196 #define TCP_MD5SIG_FLAG_PREFIX 0x1 197 #define TCP_MD5SIG_FLAG_IFINDEX 0x2 198 199 struct tcp_md5sig { 200 struct sockaddr_storage tcpm_addr; 201 uint8_t tcpm_flags; 202 uint8_t tcpm_prefixlen; 203 uint16_t tcpm_keylen; 204 int tcpm_ifindex; 205 uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN]; 206 }; 207 208 struct tcp_diag_md5sig { 209 uint8_t tcpm_family; 210 uint8_t tcpm_prefixlen; 211 uint16_t tcpm_keylen; 212 uint32_t tcpm_addr[4]; 213 uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN]; 214 }; 215 216 #define TCP_REPAIR_ON 1 217 #define TCP_REPAIR_OFF 0 218 #define TCP_REPAIR_OFF_NO_WP -1 219 220 struct tcp_repair_window { 221 uint32_t snd_wl1; 222 uint32_t snd_wnd; 223 uint32_t max_window; 224 uint32_t rcv_wnd; 225 uint32_t rcv_wup; 226 }; 227 228 #define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1 229 230 struct tcp_zerocopy_receive { 231 uint64_t address; 232 uint32_t length; 233 uint32_t recv_skip_hint; 234 uint32_t inq; 235 int32_t err; 236 uint64_t copybuf_address; 237 int32_t copybuf_len; 238 uint32_t flags; 239 uint64_t msg_control; 240 uint64_t msg_controllen; 241 uint32_t msg_flags; 242 uint32_t reserved; 243 }; 244 245 #endif 246 247 #endif 248