From 607fb72e65fe59ae1f182a5b6d470a03ce25601f Mon Sep 17 00:00:00 2001
From: Andrew Rioux <rioux.d.andrew@gmail.com>
Date: Thu, 8 Feb 2024 14:49:05 -0500
Subject: [PATCH] fixed checksum error

---
 packets/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packets/src/lib.rs b/packets/src/lib.rs
index ba4f3a2..a5f7da4 100644
--- a/packets/src/lib.rs
+++ b/packets/src/lib.rs
@@ -540,7 +540,7 @@ impl IPv4Packet {
             + dest_upper as u32
             + dest_lower as u32;
 
-        let checksum: u16 = ((checksum_part & 0xFFFF) + (checksum_part >> 16))
+        let checksum: u16 = (((checksum_part & 0xFFFF) + (checksum_part >> 16)) & 0xFFFF)
             .try_into()
             .unwrap();