diff --git a/embassy-net/src/lib.rs b/embassy-net/src/lib.rs index 2e713cd1..9f83cb4e 100644 --- a/embassy-net/src/lib.rs +++ b/embassy-net/src/lib.rs @@ -80,6 +80,18 @@ pub struct StaticConfigV4 { pub dns_servers: Vec, } +/// Static IPv6 address configuration +#[cfg(feature = "proto-ipv6")] +#[derive(Debug, Clone, PartialEq, Eq)] +pub struct StaticConfigV6 { + /// IP address and subnet mask. + pub address: Ipv6Cidr, + /// Default gateway. + pub gateway: Option, + /// DNS servers. + pub dns_servers: Vec, +} + /// DHCP configuration. #[cfg(feature = "dhcpv4")] #[derive(Debug, Clone, PartialEq, Eq)] @@ -116,9 +128,12 @@ impl Default for DhcpConfig { /// Network stack configuration. pub enum Config { - /// Use a static IP address configuration. + /// Use a static IPv4 address configuration. #[cfg(feature = "proto-ipv4")] StaticV4(StaticConfigV4), + /// Use a static IPv6 address configuration. + #[cfg(feature = "proto-ipv6")] + StaticV6(StaticConfigV6), /// Use DHCP to obtain an IP address configuration. #[cfg(feature = "dhcpv4")] Dhcp(DhcpConfig), @@ -137,6 +152,8 @@ struct Inner { link_up: bool, #[cfg(feature = "proto-ipv4")] static_v4: Option, + #[cfg(feature = "proto-ipv6")] + static_v6: Option, #[cfg(feature = "dhcpv4")] dhcp_socket: Option, #[cfg(feature = "dns")] @@ -194,6 +211,8 @@ impl Stack { link_up: false, #[cfg(feature = "proto-ipv4")] static_v4: None, + #[cfg(feature = "proto-ipv6")] + static_v6: None, #[cfg(feature = "dhcpv4")] dhcp_socket: None, #[cfg(feature = "dns")] @@ -208,7 +227,11 @@ impl Stack { match config { #[cfg(feature = "proto-ipv4")] Config::StaticV4(config) => { - inner.apply_config(&mut socket, config); + inner.apply_config_v4(&mut socket, config); + } + #[cfg(feature = "proto-ipv6")] + Config::StaticV6(config) => { + inner.apply_config_v6(&mut socket, config); } #[cfg(feature = "dhcpv4")] Config::Dhcp(config) => { @@ -392,7 +415,7 @@ impl SocketStack { impl Inner { #[cfg(feature = "proto-ipv4")] - fn apply_config(&mut self, s: &mut SocketStack, config: StaticConfigV4) { + fn apply_config_v4(&mut self, s: &mut SocketStack, config: StaticConfigV4) { #[cfg(feature = "medium-ethernet")] let medium = self.device.capabilities().medium; @@ -431,6 +454,47 @@ impl Inner { self.static_v4 = Some(config) } + /// Replaces the current IPv6 static configuration with a newly supplied config. + #[cfg(feature = "proto-ipv6")] + fn apply_config_v6(&mut self, s: &mut SocketStack, config: StaticConfigV6) { + #[cfg(feature = "medium-ethernet")] + let medium = self.device.capabilities().medium; + + debug!("Acquired IPv6 configuration:"); + + debug!(" IP address: {}", config.address); + s.iface.update_ip_addrs(|addrs| { + if addrs.is_empty() { + addrs.push(IpCidr::Ipv6(config.address)).unwrap(); + } else { + addrs[0] = IpCidr::Ipv6(config.address); + } + }); + + #[cfg(feature = "medium-ethernet")] + if Medium::Ethernet == medium { + if let Some(gateway) = config.gateway { + debug!(" Default gateway: {}", gateway); + s.iface.routes_mut().add_default_ipv6_route(gateway).unwrap(); + } else { + debug!(" Default gateway: None"); + s.iface.routes_mut().remove_default_ipv6_route(); + } + } + for (i, s) in config.dns_servers.iter().enumerate() { + debug!(" DNS server {}: {}", i, s); + } + + #[cfg(feature = "dns")] + { + let socket = s.sockets.get_mut::(self.dns_socket); + let servers: Vec = config.dns_servers.iter().map(|c| IpAddress::Ipv6(*c)).collect(); + socket.update_servers(&servers[..]); + } + + self.static_v6 = Some(config) + } + #[cfg(feature = "dhcpv4")] fn apply_dhcp_config(&self, socket: &mut smoltcp::socket::dhcpv4::Socket, config: DhcpConfig) { socket.set_ignore_naks(config.ignore_naks); @@ -499,7 +563,7 @@ impl Inner { gateway: config.router, dns_servers: config.dns_servers, }; - self.apply_config(s, config) + self.apply_config_v4(s, config) } } } else if old_link_up {