1 # Copyright 2017 syzkaller project authors. All rights reserved. 2 # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. 3 4 # AF_INET and AF_INET6: TCP support 5 6 include <asm/ioctls.h> 7 include <linux/tcp.h> 8 include <net/tcp.h> 9 include <uapi/linux/sockios.h> 10 include <uapi/linux/tls.h> 11 12 resource sock_tcp[sock_in] 13 14 tcp_pair { 15 f0 sock_tcp 16 f1 sock_tcp 17 } 18 19 socket$inet_tcp(domain const[AF_INET], type const[SOCK_STREAM], proto const[0]) sock_tcp 20 socketpair$inet_tcp(domain const[AF_INET], type const[SOCK_STREAM], proto const[0], fds ptr[out, tcp_pair]) 21 22 # From interface point of view SMC sockets seem to be the same as TCP. 23 socket$inet_smc(domain const[AF_SMC], type const[SOCK_STREAM], proto const[0]) sock_tcp 24 socketpair$inet_smc(domain const[AF_SMC], type const[SOCK_STREAM], proto const[0], fds ptr[out, tcp_pair]) 25 26 resource sock_tcp6[sock_in6] 27 28 tcp6_pair { 29 f0 sock_tcp6 30 f1 sock_tcp6 31 } 32 33 socket$inet6_tcp(domain const[AF_INET6], type const[SOCK_STREAM], proto const[0]) sock_tcp6 34 socketpair$inet6_tcp(domain const[AF_INET6], type const[SOCK_STREAM], proto const[0], fds ptr[out, tcp6_pair]) 35 36 # Generic TCP socket options 37 38 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 39 40 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 41 42 getsockopt$inet_tcp_int(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) 43 setsockopt$inet_tcp_int(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[in, int32], optlen len[optval]) 44 getsockopt$inet6_tcp_int(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) 45 setsockopt$inet6_tcp_int(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_int], optval ptr[in, int32], optlen len[optval]) 46 47 getsockopt$inet_tcp_buf(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[out], optlen ptr[inout, len[optval, int32]]) 48 setsockopt$inet_tcp_buf(fd sock_tcp, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[in], optlen len[optval]) 49 getsockopt$inet6_tcp_buf(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[out], optlen ptr[inout, len[optval, int32]]) 50 setsockopt$inet6_tcp_buf(fd sock_tcp6, level const[IPPROTO_TCP], optname flags[tcp_option_types_buf], optval buffer[in], optlen len[optval]) 51 52 getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_ZEROCOPY_RECEIVE], optval ptr[in, tcp_zerocopy_receive], optlen ptr[inout, len[optval, int32]]) 53 getsockopt$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]]) 54 55 tcp_zerocopy_receive { 56 # TODO: this is 8-byte pointer that must be page-aligned, need vma64. 57 address vma 58 length len[address, int32] 59 recv_skip_hint const[0, int32] 60 } 61 62 # Specific TCP socket options 63 64 # TODO: use TCP_SAVED_SYN to extract sequence numbers 65 66 setsockopt$inet_tcp_TCP_CONGESTION(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_CONGESTION], optval ptr[in, string[tcp_congestion_control_alg_names]], optlen len[optval]) 67 setsockopt$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]) 68 69 setsockopt$inet_tcp_TCP_ULP(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_ULP], optval ptr[in, string[tcp_ulp_names]], optlen len[optval]) 70 setsockopt$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]) 71 72 setsockopt$inet_tcp_TCP_MD5SIG(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_MD5SIG], optval ptr[in, tcp_md5sig], optlen len[optval]) 73 setsockopt$inet6_tcp_TCP_MD5SIG(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_MD5SIG], optval ptr[in, tcp_md5sig], optlen len[optval]) 74 75 setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_REPAIR_OPTIONS], optval ptr[in, array[tcp_repair_opt]], optlen len[optval]) 76 setsockopt$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]) 77 78 getsockopt$inet_tcp_TCP_REPAIR_WINDOW(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_REPAIR_WINDOW], optval ptr[out, tcp_repair_window], optlen ptr[inout, len[optval, int32]]) 79 setsockopt$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]) 80 getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TCP_REPAIR_WINDOW], optval ptr[out, tcp_repair_window], optlen ptr[inout, len[optval, int32]]) 81 setsockopt$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]) 82 83 setsockopt$inet_tcp_TCP_FASTOPEN_KEY(fd sock_tcp, level const[IPPROTO_TCP], optname const[TCP_FASTOPEN_KEY], optval ptr[in, array[int8, TCP_FASTOPEN_KEY_LENGTH]], optlen len[optval]) 84 setsockopt$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]) 85 86 setsockopt$inet_tcp_TLS_TX(fd sock_tcp, level const[IPPROTO_TCP], optname const[TLS_TX], optval ptr[in, tls_crypto_info], optlen len[optval]) 87 setsockopt$inet6_tcp_TLS_TX(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TLS_TX], optval ptr[in, tls_crypto_info], optlen len[optval]) 88 setsockopt$inet_tcp_TLS_RX(fd sock_tcp, level const[IPPROTO_TCP], optname const[TLS_RX], optval ptr[in, tls_crypto_info], optlen len[optval]) 89 setsockopt$inet6_tcp_TLS_RX(fd sock_tcp6, level const[IPPROTO_TCP], optname const[TLS_RX], optval ptr[in, tls_crypto_info], optlen len[optval]) 90 91 tcp_congestion_control_alg_names = "cubic", "reno", "bic", "cdg", "dctcp", "westwood", "highspeed", "hybla", "htcp", "vegas", "nv", "veno", "scalable", "lp", "yeah", "illinois", "dctcp-reno", "bbr" 92 93 tcp_ulp_names = "tls" 94 95 tcp_repair_window { 96 snd_wl1 int32 97 snd_wnd int32 98 max_window int32 99 rcv_wnd int32 100 rcv_wup int32 101 } 102 103 sockaddr_storage_tcp [ 104 in sockaddr_storage_in 105 in6 sockaddr_storage_in6 106 ] 107 108 tcp_md5sig { 109 tcpm_addr sockaddr_storage_tcp 110 __tcpm_pad1 int16 111 tcpm_keylen int16 112 __tcpm_pad2 int32 113 tcpm_key array[int8, TCP_MD5SIG_MAXKEYLEN] 114 } 115 116 tcp_repair_opt_codes = TCPOPT_MSS, TCPOPT_WINDOW, TCPOPT_SACK_PERM, TCPOPT_TIMESTAMP 117 118 tcp_repair_opt { 119 opt_code flags[tcp_repair_opt_codes, int32] 120 opt_val int32 121 } 122 123 tls_crypto_info { 124 version const[TLS_1_2_VERSION, int16] 125 cipher_type const[TLS_CIPHER_AES_GCM_128, int16] 126 } 127 128 # TCP ioctls 129 130 # http://lxr.free-electrons.com/ident?i=tcp_ioctl 131 132 ioctl$sock_inet_tcp_SIOCINQ(fd sock_tcp, cmd const[SIOCINQ], arg ptr[out, int32]) 133 ioctl$sock_inet6_tcp_SIOCINQ(fd sock_tcp6, cmd const[SIOCINQ], arg ptr[out, int32]) 134 135 ioctl$sock_inet_tcp_SIOCATMARK(fd sock_tcp, cmd const[SIOCATMARK], arg ptr[out, int32]) 136 ioctl$sock_inet6_tcp_SIOCATMARK(fd sock_tcp6, cmd const[SIOCATMARK], arg ptr[out, int32]) 137 138 ioctl$sock_inet_tcp_SIOCOUTQ(fd sock_tcp, cmd const[SIOCOUTQ], arg ptr[out, int32]) 139 ioctl$sock_inet6_tcp_SIOCOUTQ(fd sock_tcp6, cmd const[SIOCOUTQ], arg ptr[out, int32]) 140 141 ioctl$sock_inet_tcp_SIOCOUTQNSD(fd sock_tcp, cmd const[SIOCOUTQNSD], arg ptr[out, int32]) 142 ioctl$sock_inet6_tcp_SIOCOUTQNSD(fd sock_tcp6, cmd const[SIOCOUTQNSD], arg ptr[out, int32]) 143
