# Copyright 2021 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 <sys/types.h>
include <sys/socket.h>
include <netinet/in.h>
include <netinet/tcp.h>

resource sock_tcp[sock_in]

socket$inet_tcp(domain const[AF_INET], type const[SOCK_STREAM], proto const[0]) sock_tcp

resource sock_tcp6[sock_in6]

socket$inet6_tcp(domain const[AF_INET6], type const[SOCK_STREAM], proto const[0]) sock_tcp6

# Generic TCP socket options

tcp_option_types_int = TCP_NODELAY, TCP_MAXSEG, TCP_NOPUSH, TCP_NOOPT, TCP_KEEPINTVL, TCP_KEEPCNT

tcp_option_types_buf = TCP_FASTOPEN

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])