From 63a4beed6ec2cee090c3d5acf7bf4b300ad8dfbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Kub=C3=ADk?= <jakub.kubik.it@protonmail.com>
Date: Tue, 26 Sep 2023 16:10:13 +0200
Subject: [PATCH] fix(client): fetch maximum datagram size after TUN read

---
 src/client.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/client.rs b/src/client.rs
index 8d24ebb..70662ce 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -163,12 +163,12 @@ impl QuincyClient {
         debug!("Started outgoing traffic task (interface -> QUIC tunnel)");
 
         loop {
+            let data = read_from_interface(&mut read_interface, interface_mtu).await?;
+
             let quinn_mtu = connection
                 .max_datagram_size()
                 .ok_or_else(|| anyhow!("The Quincy server does not support datagram transfer"))?;
 
-            let data = read_from_interface(&mut read_interface, interface_mtu).await?;
-
             if data.len() > quinn_mtu {
                 warn!(
                     "Dropping packet of size {} due to maximum datagram size being {}",