change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/include/linux/ip.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * INET		An implementation of the TCP/IP protocol suite for the LINUX
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  *		operating system.  INET is implemented using the  BSD Socket
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@@ -8,11 +9,6 @@
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  * Version:	@(#)ip.h	1.0.2	04/28/93
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  *
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  * Authors:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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- *
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- *		This program is free software; you can redistribute it and/or
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- *		modify it under the terms of the GNU General Public License
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- *		as published by the Free Software Foundation; either version
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- *		2 of the License, or (at your option) any later version.
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  */
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 #ifndef _LINUX_IP_H
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 #define _LINUX_IP_H
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@@ -34,4 +30,9 @@
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 {
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 	return (struct iphdr *)skb_transport_header(skb);
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 }
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+
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+static inline unsigned int ip_transport_len(const struct sk_buff *skb)
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+{
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+	return ntohs(ip_hdr(skb)->tot_len) - skb_network_header_len(skb);
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+}
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 #endif	/* _LINUX_IP_H */