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network: gigabit performance tuning

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This commit is contained in:
Alex Zenla
2024-03-04 07:04:32 +00:00
parent 25a02f5491
commit c9c071dd8e
7 changed files with 49 additions and 51 deletions
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21
network/src/hbridge.rs
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@ -16,16 +16,19 @@ use tokio_tun::Tun;
use crate::vbridge::{BridgeJoinHandle, VirtualBridge};
const RX_BUFFER_QUEUE_LEN: usize = 100;
const HOST_IPV4_ADDR: Ipv4Addr = Ipv4Addr::new(10, 75, 0, 1);
pub struct HostBridge {
task: JoinHandle<()>,
}
impl HostBridge {
pub async fn new(interface: String, bridge: &VirtualBridge) -> Result<HostBridge> {
pub async fn new(mtu: usize, interface: String, bridge: &VirtualBridge) -> Result<HostBridge> {
let tun = Tun::builder()
.name(&interface)
.tap(true)
.mtu(1500)
.mtu(mtu as i32)
.packet_info(false)
.try_build()?;
@ -48,11 +51,7 @@ impl HostBridge {
handle
.address()
.add(
link.header.index,
IpAddr::V4(Ipv4Addr::new(10, 75, 0, 1)),
16,
)
.add(link.header.index, IpAddr::V4(HOST_IPV4_ADDR), 16)
.execute()
.await?;
@ -74,7 +73,7 @@ impl HostBridge {
let bridge_handle = bridge.join(mac).await?;
let task = tokio::task::spawn(async move {
if let Err(error) = HostBridge::process(tun, bridge_handle).await {
if let Err(error) = HostBridge::process(mtu, tun, bridge_handle).await {
error!("failed to process host bridge: {}", error);
}
});
@ -82,11 +81,11 @@ impl HostBridge {
Ok(HostBridge { task })
}
async fn process(tun: Tun, mut bridge_handle: BridgeJoinHandle) -> Result<()> {
let (rx_sender, mut rx_receiver) = channel::<BytesMut>(100);
async fn process(mtu: usize, tun: Tun, mut bridge_handle: BridgeJoinHandle) -> Result<()> {
let (rx_sender, mut rx_receiver) = channel::<BytesMut>(RX_BUFFER_QUEUE_LEN);
let (mut read, mut write) = tokio::io::split(tun);
tokio::task::spawn(async move {
let mut buffer = vec![0u8; 1500];
let mut buffer = vec![0u8; mtu];
loop {
let size = match read.read(&mut buffer).await {
Ok(size) => size,