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|
//! Network interface name resolution.
//!
//! Uses Linux and/or POSIX functions to resolve interface names like "eth0"
//! or "socan1" into device numbers.
use libc;
use libc::c_uint;
use {Result, Error, NixPath};
/// Resolve an interface into a interface number.
pub fn if_nametoindex<P: ?Sized + NixPath>(name: &P) -> Result<c_uint> {
let if_index = try!(name.with_nix_path(|name| unsafe { libc::if_nametoindex(name.as_ptr()) }));
if if_index == 0 {
Err(Error::last())
} else {
Ok(if_index)
}
}
libc_bitflags!(
/// Standard interface flags, used by `getifaddrs`
pub struct InterfaceFlags: libc::c_int {
/// Interface is running. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_UP;
/// Valid broadcast address set. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_BROADCAST;
/// Internal debugging flag. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_DEBUG;
/// Interface is a loopback interface. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_LOOPBACK;
/// Interface is a point-to-point link. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_POINTOPOINT;
/// Avoid use of trailers. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android",
target_os = "fuchsia",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "solaris"))]
IFF_NOTRAILERS;
/// Interface manages own routes.
#[cfg(any(target_os = "dragonfly"))]
IFF_SMART;
/// Resources allocated. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "fuchsia",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "solaris"))]
IFF_RUNNING;
/// No arp protocol, L2 destination address not set. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_NOARP;
/// Interface is in promiscuous mode. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_PROMISC;
/// Receive all multicast packets. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_ALLMULTI;
/// Master of a load balancing bundle. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
IFF_MASTER;
/// transmission in progress, tx hardware queue is full
#[cfg(any(target_os = "freebsd",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "ios"))]
IFF_OACTIVE;
/// Protocol code on board.
#[cfg(target_os = "solaris")]
IFF_INTELLIGENT;
/// Slave of a load balancing bundle. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
IFF_SLAVE;
/// Can't hear own transmissions.
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "osx"))]
IFF_SIMPLEX;
/// Supports multicast. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
IFF_MULTICAST;
/// Per link layer defined bit.
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "ios"))]
IFF_LINK0;
/// Multicast using broadcast.
#[cfg(any(target_os = "solaris"))]
IFF_MULTI_BCAST;
/// Is able to select media type via ifmap. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
IFF_PORTSEL;
/// Per link layer defined bit.
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "ios"))]
IFF_LINK1;
/// Non-unique address.
#[cfg(any(target_os = "solaris"))]
IFF_UNNUMBERED;
/// Auto media selection active. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
IFF_AUTOMEDIA;
/// Per link layer defined bit.
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "ios"))]
IFF_LINK2;
/// Use alternate physical connection.
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "macos",
target_os = "ios"))]
IFF_ALTPHYS;
/// DHCP controlls interface.
#[cfg(any(target_os = "solaris"))]
IFF_DHCPRUNNING;
/// The addresses are lost when the interface goes down. (see
/// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
#[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
IFF_DYNAMIC;
/// Do not advertise.
#[cfg(any(target_os = "solaris"))]
IFF_PRIVATE;
/// Driver signals L1 up. Volatile.
#[cfg(any(target_os = "fuchsia", target_os = "linux"))]
IFF_LOWER_UP;
/// Interface is in polling mode.
#[cfg(any(target_os = "dragonfly"))]
IFF_POLLING_COMPAT;
/// Unconfigurable using ioctl(2).
#[cfg(any(target_os = "freebsd"))]
IFF_CANTCONFIG;
/// Do not transmit packets.
#[cfg(any(target_os = "solaris"))]
IFF_NOXMIT;
/// Driver signals dormant. Volatile.
#[cfg(any(target_os = "fuchsia", target_os = "linux"))]
IFF_DORMANT;
/// User-requested promisc mode.
#[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
IFF_PPROMISC;
/// Just on-link subnet.
#[cfg(any(target_os = "solaris"))]
IFF_NOLOCAL;
/// Echo sent packets. Volatile.
#[cfg(any(target_os = "fuchsia", target_os = "linux"))]
IFF_ECHO;
/// User-requested monitor mode.
#[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
IFF_MONITOR;
/// Address is deprecated.
#[cfg(any(target_os = "solaris"))]
IFF_DEPRECATED;
/// Static ARP.
#[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
IFF_STATICARP;
/// Address from stateless addrconf.
#[cfg(any(target_os = "solaris"))]
IFF_ADDRCONF;
/// Interface is in polling mode.
#[cfg(any(target_os = "dragonfly"))]
IFF_NPOLLING;
/// Router on interface.
#[cfg(any(target_os = "solaris"))]
IFF_ROUTER;
/// Interface is in polling mode.
#[cfg(any(target_os = "dragonfly"))]
IFF_IDIRECT;
/// Interface is winding down
#[cfg(any(target_os = "freebsd"))]
IFF_DYING;
/// No NUD on interface.
#[cfg(any(target_os = "solaris"))]
IFF_NONUD;
/// Interface is being renamed
#[cfg(any(target_os = "freebsd"))]
IFF_RENAMING;
/// Anycast address.
#[cfg(any(target_os = "solaris"))]
IFF_ANYCAST;
/// Don't exchange routing info.
#[cfg(any(target_os = "solaris"))]
IFF_NORTEXCH;
/// IPv4 interface.
#[cfg(any(target_os = "solaris"))]
IFF_IPV4;
/// IPv6 interface.
#[cfg(any(target_os = "solaris"))]
IFF_IPV6;
/// in.mpathd test address
#[cfg(any(target_os = "solaris"))]
IFF_NOFAILOVER;
/// Interface has failed
#[cfg(any(target_os = "solaris"))]
IFF_FAILED;
/// Interface is a hot-spare
#[cfg(any(target_os = "solaris"))]
IFF_STANDBY;
/// Functioning but not used
#[cfg(any(target_os = "solaris"))]
IFF_INACTIVE;
/// Interface is offline
#[cfg(any(target_os = "solaris"))]
IFF_OFFLINE;
#[cfg(any(target_os = "solaris"))]
IFF_COS_ENABLED;
/// Prefer as source addr.
#[cfg(any(target_os = "solaris"))]
IFF_PREFERRED;
/// RFC3041
#[cfg(any(target_os = "solaris"))]
IFF_TEMPORARY;
/// MTU set with SIOCSLIFMTU
#[cfg(any(target_os = "solaris"))]
IFF_FIXEDMTU;
/// Cannot send / receive packets
#[cfg(any(target_os = "solaris"))]
IFF_VIRTUAL;
/// Local address in use
#[cfg(any(target_os = "solaris"))]
IFF_DUPLICATE;
/// IPMP IP interface
#[cfg(any(target_os = "solaris"))]
IFF_IPMP;
}
);
|
