| # Copyright 2017 syzkaller project authors. All rights reserved. |
| # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. |
| |
| # AF_INET and AF_INET6: TCP support |
| |
| include <asm/ioctls.h> |
| include <linux/tcp.h> |
| include <net/tcp.h> |
| include <uapi/linux/sockios.h> |
| include <uapi/linux/tls.h> |
| |
| resource sock_tcp[sock_in] |
| |
| tcp_pair { |
| f0 sock_tcp |
| f1 sock_tcp |
| } |
| |
| socket$inet_tcp(domain const[AF_INET], type const[SOCK_STREAM], proto const[0]) sock_tcp |
| socketpair$inet_tcp(domain const[AF_INET], type const[SOCK_STREAM], proto const[0], fds ptr[out, tcp_pair]) |
| |
| # From interface point of view SMC sockets seem to be the same as TCP. |
| socket$inet_smc(domain const[AF_SMC], type const[SOCK_STREAM], proto const[0]) sock_tcp |
| socketpair$inet_smc(domain const[AF_SMC], type const[SOCK_STREAM], proto const[0], fds ptr[out, tcp_pair]) |
| |
| resource sock_tcp6[sock_in6] |
| |
| tcp6_pair { |
| f0 sock_tcp6 |
| f1 sock_tcp6 |
| } |
| |
| socket$inet6_tcp(domain const[AF_INET6], type const[SOCK_STREAM], proto const[0]) sock_tcp6 |
| socketpair$inet6_tcp(domain const[AF_INET6], type const[SOCK_STREAM], proto const[0], fds ptr[out, tcp6_pair]) |
| |
| # Generic TCP socket options |
| |
| tcp_option_types_int = TCP_NODELAY, TCP_MAXSEG, TCP_CORK, TCP_KEEPIDLE, TCP_KEEPINTVL, TCP_KEEPCNT, TCP_SYNCNT, TCP_LINGER2, TCP_DEFER_ACCEPT, TCP_WINDOW_CLAMP, TCP_QUICKACK, TCP_THIN_LINEAR_TIMEOUTS, TCP_THIN_DUPACK, TCP_USER_TIMEOUT, TCP_REPAIR, TCP_REPAIR_QUEUE, TCP_QUEUE_SEQ, TCP_FASTOPEN, TCP_FASTOPEN_CONNECT, TCP_FASTOPEN_NO_COOKIE, TCP_TIMESTAMP, TCP_NOTSENT_LOWAT, TCP_SAVE_SYN, TCP_INQ |
| |
| tcp_option_types_buf = TCP_INFO, TCP_CONGESTION, TCP_ULP, TCP_MD5SIG, TCP_REPAIR_OPTIONS, TCP_CC_INFO, TCP_SAVED_SYN, TCP_REPAIR_WINDOW, TCP_FASTOPEN_KEY |
| |
| getsockopt$inet_tcp_int(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$inet_tcp_int(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[in, int32], optlen len[optval]) |
| getsockopt$inet6_tcp_int(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$inet6_tcp_int(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[in, int32], optlen len[optval]) |
| |
| getsockopt$inet_tcp_buf(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[out], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$inet_tcp_buf(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[in], optlen len[optval]) |
| getsockopt$inet6_tcp_buf(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[out], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$inet6_tcp_buf(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[in], optlen len[optval]) |
| |
| getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_ZEROCOPY_RECEIVE], optval ptr[in, tcp_zerocopy_receive], optlen ptr[inout, len[optval, int32]]) |
| getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_ZEROCOPY_RECEIVE], optval ptr[in, tcp_zerocopy_receive], optlen ptr[inout, len[optval, int32]]) |
| |
| tcp_zerocopy_receive { |
| # TODO: this is 8-byte pointer that must be page-aligned, need vma64. |
| address vma |
| length len[address, int32] |
| recv_skip_hint const[0, int32] |
| } |
| |
| # Specific TCP socket options |
| |
| # TODO: use TCP_SAVED_SYN to extract sequence numbers |
| |
| setsockopt$inet_tcp_TCP_CONGESTION(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_CONGESTION], optval ptr[in, string[tcp_congestion_control_alg_names]], optlen len[optval]) |
| setsockopt$inet6_tcp_TCP_CONGESTION(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_CONGESTION], optval ptr[in, string[tcp_congestion_control_alg_names]], optlen len[optval]) |
| |
| setsockopt$inet_tcp_TCP_ULP(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_ULP], optval ptr[in, string[tcp_ulp_names]], optlen len[optval]) |
| setsockopt$inet6_tcp_TCP_ULP(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_ULP], optval ptr[in, string[tcp_ulp_names]], optlen len[optval]) |
| |
| setsockopt$inet_tcp_TCP_MD5SIG(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_MD5SIG], optval ptr[in, tcp_md5sig], optlen len[optval]) |
| setsockopt$inet6_tcp_TCP_MD5SIG(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_MD5SIG], optval ptr[in, tcp_md5sig], optlen len[optval]) |
| |
| setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_REPAIR_OPTIONS], optval ptr[in, array[tcp_repair_opt]], optlen len[optval]) |
| setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_REPAIR_OPTIONS], optval ptr[in, array[tcp_repair_opt]], optlen len[optval]) |
| |
| getsockopt$inet_tcp_TCP_REPAIR_WINDOW(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_REPAIR_WINDOW], optval ptr[out, tcp_repair_window], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$inet_tcp_TCP_REPAIR_WINDOW(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_REPAIR_WINDOW], optval ptr[in, tcp_repair_window], optlen len[optval]) |
| getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_REPAIR_WINDOW], optval ptr[out, tcp_repair_window], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_REPAIR_WINDOW], optval ptr[in, tcp_repair_window], optlen len[optval]) |
| |
| setsockopt$inet_tcp_TCP_FASTOPEN_KEY(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_FASTOPEN_KEY], optval ptr[in, array[int8, TCP_FASTOPEN_KEY_LENGTH]], optlen len[optval]) |
| setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_FASTOPEN_KEY], optval ptr[in, array[int8, TCP_FASTOPEN_KEY_LENGTH]], optlen len[optval]) |
| |
| setsockopt$inet_tcp_TLS_TX(fd sock_tcp, level const[IPPROTO_TCP], optname const[TLS_TX], optval ptr[in, tls_crypto_info], optlen len[optval]) |
| setsockopt$inet6_tcp_TLS_TX(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TLS_TX], optval ptr[in, tls_crypto_info], optlen len[optval]) |
| setsockopt$inet_tcp_TLS_RX(fd sock_tcp, level const[IPPROTO_TCP], optname const[TLS_RX], optval ptr[in, tls_crypto_info], optlen len[optval]) |
| setsockopt$inet6_tcp_TLS_RX(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TLS_RX], optval ptr[in, tls_crypto_info], optlen len[optval]) |
| |
| tcp_congestion_control_alg_names = "cubic", "reno", "bic", "cdg", "dctcp", "westwood", "highspeed", "hybla", "htcp", "vegas", "nv", "veno", "scalable", "lp", "yeah", "illinois", "dctcp-reno", "bbr" |
| |
| tcp_ulp_names = "tls" |
| |
| tcp_repair_window { |
| snd_wl1 int32 |
| snd_wnd int32 |
| max_window int32 |
| rcv_wnd int32 |
| rcv_wup int32 |
| } |
| |
| sockaddr_storage_tcp [ |
| in sockaddr_storage_in |
| in6 sockaddr_storage_in6 |
| ] |
| |
| tcp_md5sig { |
| tcpm_addr sockaddr_storage_tcp |
| __tcpm_pad1 int16 |
| tcpm_keylen int16 |
| __tcpm_pad2 int32 |
| tcpm_key array[int8, TCP_MD5SIG_MAXKEYLEN] |
| } |
| |
| tcp_repair_opt_codes = TCPOPT_MSS, TCPOPT_WINDOW, TCPOPT_SACK_PERM, TCPOPT_TIMESTAMP |
| |
| tcp_repair_opt { |
| opt_code flags[tcp_repair_opt_codes, int32] |
| opt_val int32 |
| } |
| |
| tls_crypto_info { |
| version const[TLS_1_2_VERSION, int16] |
| cipher_type const[TLS_CIPHER_AES_GCM_128, int16] |
| } |
| |
| # TCP ioctls |
| |
| # http://lxr.free-electrons.com/ident?i=tcp_ioctl |
| |
| ioctl$sock_inet_tcp_SIOCINQ(fd sock_tcp, cmd const[SIOCINQ], arg ptr[out, int32]) |
| ioctl$sock_inet6_tcp_SIOCINQ(fd sock_tcp6, cmd const[SIOCINQ], arg ptr[out, int32]) |
| |
| ioctl$sock_inet_tcp_SIOCATMARK(fd sock_tcp, cmd const[SIOCATMARK], arg ptr[out, int32]) |
| ioctl$sock_inet6_tcp_SIOCATMARK(fd sock_tcp6, cmd const[SIOCATMARK], arg ptr[out, int32]) |
| |
| ioctl$sock_inet_tcp_SIOCOUTQ(fd sock_tcp, cmd const[SIOCOUTQ], arg ptr[out, int32]) |
| ioctl$sock_inet6_tcp_SIOCOUTQ(fd sock_tcp6, cmd const[SIOCOUTQ], arg ptr[out, int32]) |
| |
| ioctl$sock_inet_tcp_SIOCOUTQNSD(fd sock_tcp, cmd const[SIOCOUTQNSD], arg ptr[out, int32]) |
| ioctl$sock_inet6_tcp_SIOCOUTQNSD(fd sock_tcp6, cmd const[SIOCOUTQNSD], arg ptr[out, int32]) |