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MSS Tuning with config

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-06-06 12:11:05 +03:00
parent a8adc9fe54
commit 27a5f5a4ec
7 changed files with 300 additions and 3 deletions
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24
src/maestro/listeners.rs
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@@ -47,6 +47,10 @@ fn default_link_port(config: &ProxyConfig) -> u16 {
.unwrap_or(config.server.port)
}
fn mss_segment_multiplier(client_mss: u16) -> u16 {
1460u16.div_ceil(client_mss)
}
#[allow(clippy::too_many_arguments)]
pub(crate) async fn bind_listeners(
config: &Arc<ProxyConfig>,
@@ -90,10 +94,22 @@ pub(crate) async fn bind_listeners(
warn!(%addr, "Skipping IPv6 listener: IPv6 disabled by [network]");
continue;
}
let client_mss = match listener_conf.effective_client_mss(&config.server) {
Ok(value) => value,
Err(error) => {
warn!(
%addr,
error = %error,
"Invalid listener client MSS after config validation; using kernel default"
);
None
}
};
let options = ListenOptions {
reuse_port: listener_conf.reuse_allow,
ipv6_only: listener_conf.ip.is_ipv6(),
backlog: config.server.listen_backlog,
client_mss,
..Default::default()
};
@@ -101,6 +117,14 @@ pub(crate) async fn bind_listeners(
Ok(socket) => {
let listener = TcpListener::from_std(socket.into())?;
info!("Listening on {}", addr);
if let Some(client_mss) = client_mss {
info!(
%addr,
client_mss,
segment_multiplier = mss_segment_multiplier(client_mss),
"Client-facing TCP MSS configured"
);
}
let listener_proxy_protocol = listener_conf
.proxy_protocol
.unwrap_or(config.server.proxy_protocol);