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network: configure mtu and segmentation offloading properly

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This commit is contained in:
Alex Zenla
2024-03-04 12:19:03 +00:00
parent 9350a7520d
commit 17889d1c64
8 changed files with 131 additions and 7 deletions
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12
container/src/init.rs
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@ -1,6 +1,7 @@
use anyhow::{anyhow, Result};
use futures::stream::TryStreamExt;
use ipnetwork::IpNetwork;
use krata::ethtool::EthtoolHandle;
use krata::{LaunchInfo, LaunchNetwork};
use log::{trace, warn};
use nix::libc::{dup2, ioctl};
@ -299,7 +300,12 @@ impl ContainerInit {
let mut conf = lines.join("\n");
conf.push('\n');
fs::write(resolv, conf)?;
self.network_configure_ethtool(network).await?;
self.network_configure_link(network).await?;
Ok(())
}
async fn network_configure_link(&mut self, network: &LaunchNetwork) -> Result<()> {
let (connection, handle, _) = rtnetlink::new_connection()?;
tokio::spawn(connection);
@ -365,7 +371,13 @@ impl ContainerInit {
warn!("failed to add ipv6 gateway route: {}", error);
}
}
Ok(())
}
async fn network_configure_ethtool(&mut self, network: &LaunchNetwork) -> Result<()> {
let mut handle = EthtoolHandle::new()?;
handle.set_gso(&network.link, false)?;
handle.set_tso(&network.link, false)?;
Ok(())
}