2025-04-21 21:35:18 +08:00

70 lines
1.6 KiB
Rust

use num_derive::{FromPrimitive, ToPrimitive};
/// # SOL (Socket Option Level)
/// Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx
/// ## Reference
/// - [Setsockoptions(2) level](https://code.dragonos.org.cn/xref/linux-6.6.21/include/linux/socket.h#345)
#[derive(Debug, Clone, Copy, PartialEq, Eq, FromPrimitive, ToPrimitive)]
#[allow(non_camel_case_types)]
pub enum OptionLevel {
IP = 0,
SOCKET = 1,
// ICMP = 1, No-no-no! Due to Linux :-) we cannot
TCP = 6,
UDP = 17,
IPV6 = 41,
ICMPV6 = 58,
SCTP = 132,
UDPLITE = 136, // UDP-Lite (RFC 3828)
RAW = 255,
IPX = 256,
AX25 = 257,
ATALK = 258,
NETROM = 259,
ROSE = 260,
DECNET = 261,
X25 = 262,
PACKET = 263,
ATM = 264, // ATM layer (cell level)
AAL = 265, // ATM Adaption Layer (packet level)
IRDA = 266,
NETBEUI = 267,
LLC = 268,
DCCP = 269,
NETLINK = 270,
TIPC = 271,
RXRPC = 272,
PPPOL2TP = 273,
BLUETOOTH = 274,
PNPIPE = 275,
RDS = 276,
IUCV = 277,
CAIF = 278,
ALG = 279,
NFC = 280,
KCM = 281,
TLS = 282,
XDP = 283,
MPTCP = 284,
MCTP = 285,
SMC = 286,
VSOCK = 287,
}
impl TryFrom<u32> for OptionLevel {
type Error = linux_errnos::Errno;
fn try_from(value: u32) -> Result<Self, Self::Error> {
match <Self as num_traits::FromPrimitive>::from_u32(value) {
Some(p) => Ok(p),
None => Err(linux_errnos::Errno::EPROTONOSUPPORT),
}
}
}
impl From<OptionLevel> for u32 {
fn from(value: OptionLevel) -> Self {
<OptionLevel as num_traits::ToPrimitive>::to_u32(&value).unwrap()
}
}