From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/include/linux/ip.h | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/kernel/include/linux/ip.h b/kernel/include/linux/ip.h
index 492bc65..3d9c675 100644
--- a/kernel/include/linux/ip.h
+++ b/kernel/include/linux/ip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
@@ -8,11 +9,6 @@
* Version: @(#)ip.h 1.0.2 04/28/93
*
* Authors: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_IP_H
#define _LINUX_IP_H
@@ -34,4 +30,9 @@
{
return (struct iphdr *)skb_transport_header(skb);
}
+
+static inline unsigned int ip_transport_len(const struct sk_buff *skb)
+{
+ return ntohs(ip_hdr(skb)->tot_len) - skb_network_header_len(skb);
+}
#endif /* _LINUX_IP_H */
--
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