From a2d45da44d626b9e8376b9fed1876fb87bdfe96b Mon Sep 17 00:00:00 2001
From: lubeilin <1791778603@qq.com>
Date: Wed, 26 Jul 2023 21:31:07 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=A0=A1=E9=AA=8C=E5=92=8C?=
 =?UTF-8?q?=E8=AE=A1=E7=AE=97=E5=BC=82=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 vnt/packet/src/lib.rs     | 2 +-
 vnt/packet/src/tcp/tcp.rs | 1 -
 vnt/packet/src/udp/udp.rs | 1 -
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/vnt/packet/src/lib.rs b/vnt/packet/src/lib.rs
index ac58415..1604c79 100644
--- a/vnt/packet/src/lib.rs
+++ b/vnt/packet/src/lib.rs
@@ -103,9 +103,9 @@ pub fn ipv4_cal_checksum(
     src_ip: &Ipv4Addr,
     dest_ip: &Ipv4Addr,
     protocol: u8,
-    length: u16,
 ) -> u16 {
     use std::io::Cursor;
+    let length = buffer.len();
     let mut sum = 0;
     let src_ip = src_ip.octets();
     sum += u32c(src_ip[0], src_ip[1]);
diff --git a/vnt/packet/src/tcp/tcp.rs b/vnt/packet/src/tcp/tcp.rs
index 3424abf..1be0235 100644
--- a/vnt/packet/src/tcp/tcp.rs
+++ b/vnt/packet/src/tcp/tcp.rs
@@ -134,7 +134,6 @@ impl<B: AsRef<[u8]>> TcpPacket<B> {
             &self.source_ip,
             &self.destination_ip,
             6,
-            self.buffer.as_ref().len() as u16,
         )
     }
     pub fn urgent_pointer(&self) -> u16 {
diff --git a/vnt/packet/src/udp/udp.rs b/vnt/packet/src/udp/udp.rs
index 917ae39..9aedce1 100644
--- a/vnt/packet/src/udp/udp.rs
+++ b/vnt/packet/src/udp/udp.rs
@@ -102,7 +102,6 @@ impl<B: AsRef<[u8]>> UdpPacket<B> {
             &self.source_ip,
             &self.destination_ip,
             17,
-            self.length(),
         )
     }
 }