sys/freebsd/socket_inet_tcp.txt

# 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 <sys/types.h>
include <sys/socket.h>
include <netinet/in.h>
include <netinet/tcp.h>
include <linux/linux.h>
include <compat/linux/linux_socket.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])

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_KEEPIDLE, TCP_KEEPINTVL, TCP_FASTOPEN

tcp_option_types_buf = TCP_INFO, TCP_CONGESTION

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])

# Specific TCP socket options

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])

tcp_congestion_control_alg_names = "cubic", "reno", "bic", "cdg", "dctcp", "westwood", "highspeed", "hybla", "htcp", "vegas", "nv", "veno", "scalable", "lp", "yeah", "illinois"