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network: performance improvements across NAT stack

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This commit is contained in:
Alex Zenla
2024-02-11 11:53:59 +00:00
parent b9dadc6f37
commit f96f9d8abf
6 changed files with 140 additions and 56 deletions
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15
network/src/backend.rs
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@ -5,7 +5,7 @@ use crate::raw_socket::{AsyncRawSocket, RawSocketProtocol};
use advmac::MacAddr6;
use anyhow::{anyhow, Result};
use futures::TryStreamExt;
use log::warn;
use log::debug;
use smoltcp::iface::{Config, Interface, SocketSet};
use smoltcp::phy::Medium;
use smoltcp::time::Instant;
@ -57,13 +57,12 @@ impl NetworkStack<'_> {
NetworkStackSelect::Receive(packet) => {
if let Err(error) = self.router.process(packet).await {
warn!("router failed to process packet: {}", error);
debug!("router failed to process packet: {}", error);
}
self.udev.rx = Some(packet.to_vec());
let timestamp = Instant::now();
self.interface
.poll(timestamp, &mut self.udev, &mut self.sockets);
.poll(Instant::now(), &mut self.udev, &mut self.sockets);
}
NetworkStackSelect::Reclaim => {}
@ -128,9 +127,13 @@ impl NetworkBackend {
let mut kdev =
AsyncRawSocket::bound_to_interface(&self.interface, RawSocketProtocol::Ethernet)?;
let mtu = kdev.mtu_of_interface(&self.interface)?;
let (tx_sender, tx_receiver) = channel::<Vec<u8>>(4);
let (tx_sender, tx_receiver) = channel::<Vec<u8>>(100);
let mut udev = ChannelDevice::new(mtu, Medium::Ethernet, tx_sender.clone());
let mac = self.force_mac_address.unwrap_or_else(MacAddr6::random);
let mac = self.force_mac_address.unwrap_or_else(|| {
let mut mac = MacAddr6::random();
mac.set_local(true);
mac
});
let mac = smoltcp::wire::EthernetAddress(mac.to_array());
let nat = NatRouter::new(mtu, proxy, mac, addresses.clone(), tx_sender.clone());
let mac = HardwareAddress::Ethernet(mac);