/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef _UAPI_LINUX_TCP_H #define _UAPI_LINUX_TCP_H #include #include #include struct tcphdr { __be16 source; __be16 dest; __be32 seq; __be32 ack_seq; #ifdef __LITTLE_ENDIAN_BITFIELD __u16 res1 : 4, doff : 4, fin : 1, syn : 1, rst : 1, psh : 1, ack : 1, urg : 1, ece : 1, cwr : 1; #elif defined(__BIG_ENDIAN_BITFIELD) __u16 doff : 4, res1 : 4, cwr : 1, ece : 1, urg : 1, ack : 1, psh : 1, rst : 1, syn : 1, fin : 1; #else #error "Adjust your defines" #endif __be16 window; __sum16 check; __be16 urg_ptr; }; 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; }; 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, }; #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; __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