zynq-rs/libconfig/src/net_settings.rs

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use core::fmt;
use libboard_zynq::smoltcp::wire::{EthernetAddress, IpAddress};
use super::Config;
pub struct NetAddresses {
pub hardware_addr: EthernetAddress,
pub ipv4_addr: IpAddress,
#[cfg(feature = "ipv6")]
pub ipv6_ll_addr: IpAddress,
#[cfg(feature = "ipv6")]
pub ipv6_addr: Option<IpAddress>
}
impl fmt::Display for NetAddresses {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "MAC={} IPv4={} ",
self.hardware_addr, self.ipv4_addr)?;
#[cfg(feature = "ipv6")]
{
write!(f, "IPv6-LL={}", self.ipv6_ll_addr)?;
match self.ipv6_addr {
Some(addr) => write!(f, " {}", addr)?,
None => write!(f, " IPv6: no configured address")?
}
}
Ok(())
}
}
pub fn get_adresses(cfg: &Config) -> NetAddresses {
let mut hardware_addr = EthernetAddress([0x02, 0x00, 0x00, 0x00, 0x00, 0x52]);
let mut ipv4_addr = IpAddress::v4(192, 168, 1, 52);
if let Ok(Ok(addr)) = cfg.read_str("mac").map(|s| s.parse()) {
hardware_addr = addr;
}
if let Ok(Ok(addr)) = cfg.read_str("ip").map(|s| s.parse()) {
ipv4_addr = addr;
}
#[cfg(feature = "ipv6")]
let ipv6_addr = cfg.read_str("ipv6").ok().and_then(|s| s.parse().ok());
#[cfg(feature = "ipv6")]
let ipv6_ll_addr = IpAddress::v6(
0xfe80, 0x0000, 0x0000, 0x0000,
(((hardware_addr.0[0] ^ 0x02) as u16) << 8) | (hardware_addr.0[1] as u16),
((hardware_addr.0[2] as u16) << 8) | 0x00ff,
0xfe00 | (hardware_addr.0[3] as u16),
((hardware_addr.0[4] as u16) << 8) | (hardware_addr.0[5] as u16));
NetAddresses {
hardware_addr,
ipv4_addr,
#[cfg(feature = "ipv6")]
ipv6_ll_addr,
#[cfg(feature = "ipv6")]
ipv6_addr
}
}