|  | /* | 
|  | * This file is auto-generated. Modifications will be lost. | 
|  | * | 
|  | * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ | 
|  | * for more information. | 
|  | */ | 
|  | #ifndef _UAPI_LINUX_TCP_H | 
|  | #define _UAPI_LINUX_TCP_H | 
|  | #include <bits/tcphdr.h> | 
|  | #include <linux/types.h> | 
|  | #include <asm/byteorder.h> | 
|  | #include <linux/socket.h> | 
|  | union tcp_word_hdr { | 
|  | struct tcphdr hdr; | 
|  | __be32 words[5]; | 
|  | }; | 
|  | #define tcp_flag_word(tp) (((union tcp_word_hdr *) (tp))->words[3]) | 
|  | enum { | 
|  | TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000), | 
|  | TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000), | 
|  | TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000), | 
|  | TCP_FLAG_ACK = __constant_cpu_to_be32(0x00100000), | 
|  | TCP_FLAG_PSH = __constant_cpu_to_be32(0x00080000), | 
|  | TCP_FLAG_RST = __constant_cpu_to_be32(0x00040000), | 
|  | TCP_FLAG_SYN = __constant_cpu_to_be32(0x00020000), | 
|  | TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000), | 
|  | TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000), | 
|  | TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000) | 
|  | }; | 
|  | #define TCP_MSS_DEFAULT 536U | 
|  | #define TCP_MSS_DESIRED 1220U | 
|  | #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_CM_INQ TCP_INQ | 
|  | #define TCP_TX_DELAY 37 | 
|  | #define TCP_REPAIR_ON 1 | 
|  | #define TCP_REPAIR_OFF 0 | 
|  | #define TCP_REPAIR_OFF_NO_WP - 1 | 
|  | struct tcp_repair_opt { | 
|  | __u32 opt_code; | 
|  | __u32 opt_val; | 
|  | }; | 
|  | struct tcp_repair_window { | 
|  | __u32 snd_wl1; | 
|  | __u32 snd_wnd; | 
|  | __u32 max_window; | 
|  | __u32 rcv_wnd; | 
|  | __u32 rcv_wup; | 
|  | }; | 
|  | enum { | 
|  | TCP_NO_QUEUE, | 
|  | TCP_RECV_QUEUE, | 
|  | TCP_SEND_QUEUE, | 
|  | TCP_QUEUES_NR, | 
|  | }; | 
|  | enum tcp_fastopen_client_fail { | 
|  | TFO_STATUS_UNSPEC, | 
|  | TFO_COOKIE_UNAVAILABLE, | 
|  | TFO_DATA_NOT_ACKED, | 
|  | TFO_SYN_RETRANSMITTED, | 
|  | }; | 
|  | #define TCPI_OPT_TIMESTAMPS 1 | 
|  | #define TCPI_OPT_SACK 2 | 
|  | #define TCPI_OPT_WSCALE 4 | 
|  | #define TCPI_OPT_ECN 8 | 
|  | #define TCPI_OPT_ECN_SEEN 16 | 
|  | #define TCPI_OPT_SYN_DATA 32 | 
|  | enum tcp_ca_state { | 
|  | TCP_CA_Open = 0, | 
|  | #define TCPF_CA_Open (1 << TCP_CA_Open) | 
|  | TCP_CA_Disorder = 1, | 
|  | #define TCPF_CA_Disorder (1 << TCP_CA_Disorder) | 
|  | TCP_CA_CWR = 2, | 
|  | #define TCPF_CA_CWR (1 << TCP_CA_CWR) | 
|  | TCP_CA_Recovery = 3, | 
|  | #define TCPF_CA_Recovery (1 << TCP_CA_Recovery) | 
|  | TCP_CA_Loss = 4 | 
|  | #define TCPF_CA_Loss (1 << TCP_CA_Loss) | 
|  | }; | 
|  | struct tcp_info { | 
|  | __u8 tcpi_state; | 
|  | __u8 tcpi_ca_state; | 
|  | __u8 tcpi_retransmits; | 
|  | __u8 tcpi_probes; | 
|  | __u8 tcpi_backoff; | 
|  | __u8 tcpi_options; | 
|  | __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; | 
|  | __u8 tcpi_delivery_rate_app_limited : 1, tcpi_fastopen_client_fail : 2; | 
|  | __u32 tcpi_rto; | 
|  | __u32 tcpi_ato; | 
|  | __u32 tcpi_snd_mss; | 
|  | __u32 tcpi_rcv_mss; | 
|  | __u32 tcpi_unacked; | 
|  | __u32 tcpi_sacked; | 
|  | __u32 tcpi_lost; | 
|  | __u32 tcpi_retrans; | 
|  | __u32 tcpi_fackets; | 
|  | __u32 tcpi_last_data_sent; | 
|  | __u32 tcpi_last_ack_sent; | 
|  | __u32 tcpi_last_data_recv; | 
|  | __u32 tcpi_last_ack_recv; | 
|  | __u32 tcpi_pmtu; | 
|  | __u32 tcpi_rcv_ssthresh; | 
|  | __u32 tcpi_rtt; | 
|  | __u32 tcpi_rttvar; | 
|  | __u32 tcpi_snd_ssthresh; | 
|  | __u32 tcpi_snd_cwnd; | 
|  | __u32 tcpi_advmss; | 
|  | __u32 tcpi_reordering; | 
|  | __u32 tcpi_rcv_rtt; | 
|  | __u32 tcpi_rcv_space; | 
|  | __u32 tcpi_total_retrans; | 
|  | __u64 tcpi_pacing_rate; | 
|  | __u64 tcpi_max_pacing_rate; | 
|  | __u64 tcpi_bytes_acked; | 
|  | __u64 tcpi_bytes_received; | 
|  | __u32 tcpi_segs_out; | 
|  | __u32 tcpi_segs_in; | 
|  | __u32 tcpi_notsent_bytes; | 
|  | __u32 tcpi_min_rtt; | 
|  | __u32 tcpi_data_segs_in; | 
|  | __u32 tcpi_data_segs_out; | 
|  | __u64 tcpi_delivery_rate; | 
|  | __u64 tcpi_busy_time; | 
|  | __u64 tcpi_rwnd_limited; | 
|  | __u64 tcpi_sndbuf_limited; | 
|  | __u32 tcpi_delivered; | 
|  | __u32 tcpi_delivered_ce; | 
|  | __u64 tcpi_bytes_sent; | 
|  | __u64 tcpi_bytes_retrans; | 
|  | __u32 tcpi_dsack_dups; | 
|  | __u32 tcpi_reord_seen; | 
|  | __u32 tcpi_rcv_ooopack; | 
|  | __u32 tcpi_snd_wnd; | 
|  | __u32 tcpi_rcv_wnd; | 
|  | __u32 tcpi_rehash; | 
|  | }; | 
|  | 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, | 
|  | TCP_NLA_REHASH, | 
|  | }; | 
|  | #define TCP_MD5SIG_MAXKEYLEN 80 | 
|  | #define TCP_MD5SIG_FLAG_PREFIX 0x1 | 
|  | #define TCP_MD5SIG_FLAG_IFINDEX 0x2 | 
|  | struct tcp_md5sig { | 
|  | struct __kernel_sockaddr_storage tcpm_addr; | 
|  | __u8 tcpm_flags; | 
|  | __u8 tcpm_prefixlen; | 
|  | __u16 tcpm_keylen; | 
|  | int tcpm_ifindex; | 
|  | __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; | 
|  | }; | 
|  | struct tcp_diag_md5sig { | 
|  | __u8 tcpm_family; | 
|  | __u8 tcpm_prefixlen; | 
|  | __u16 tcpm_keylen; | 
|  | __be32 tcpm_addr[4]; | 
|  | __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; | 
|  | }; | 
|  | #define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1 | 
|  | struct tcp_zerocopy_receive { | 
|  | __u64 address; | 
|  | __u32 length; | 
|  | __u32 recv_skip_hint; | 
|  | __u32 inq; | 
|  | __s32 err; | 
|  | __u64 copybuf_address; | 
|  | __s32 copybuf_len; | 
|  | __u32 flags; | 
|  | __u64 msg_control; | 
|  | __u64 msg_controllen; | 
|  | __u32 msg_flags; | 
|  | __u32 reserved; | 
|  | }; | 
|  | #endif |