add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/net/ipv4/xfrm4_protocol.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* xfrm4_protocol.c - Generic xfrm protocol multiplexer.
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  *
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  * Copyright (C) 2013 secunet Security Networks AG
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@@ -7,11 +8,6 @@
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  *
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  * Based on:
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  * net/ipv4/tunnel4.c
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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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12
 
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 #include <linux/init.h>
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@@ -46,7 +42,7 @@
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 	     handler != NULL;				\
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 	     handler = rcu_dereference(handler->next))	\
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44
 
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-int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
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+static int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
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 {
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 	int ret;
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 	struct xfrm4_protocol *handler;
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@@ -61,7 +57,6 @@
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57
 
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 	return 0;
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 }
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-EXPORT_SYMBOL(xfrm4_rcv_cb);
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 int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
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 		    int encap_type)
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@@ -77,6 +72,14 @@
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 	if (!head)
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 		goto out;
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+	if (!skb_dst(skb)) {
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+		const struct iphdr *iph = ip_hdr(skb);
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+
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+		if (ip_route_input_noref(skb, iph->daddr, iph->saddr,
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+					 iph->tos, skb->dev))
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+			goto drop;
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+	}
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+
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 	for_each_protocol_rcu(*head, handler)
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 		if ((ret = handler->input_handler(skb, nexthdr, spi, encap_type)) != -EINVAL)
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 			return ret;
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@@ -84,6 +87,7 @@
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 out:
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 	icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
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+drop:
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 	kfree_skb(skb);
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 	return 0;
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 }
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@@ -106,13 +110,15 @@
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 	return 0;
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 }
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112
 
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-static void xfrm4_esp_err(struct sk_buff *skb, u32 info)
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+static int xfrm4_esp_err(struct sk_buff *skb, u32 info)
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 {
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 	struct xfrm4_protocol *handler;
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116
 
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 	for_each_protocol_rcu(esp4_handlers, handler)
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 		if (!handler->err_handler(skb, info))
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-			break;
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+			return 0;
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+
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+	return -ENOENT;
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 }
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123
 
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 static int xfrm4_ah_rcv(struct sk_buff *skb)
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@@ -132,13 +138,15 @@
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 	return 0;
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 }
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140
 
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-static void xfrm4_ah_err(struct sk_buff *skb, u32 info)
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+static int xfrm4_ah_err(struct sk_buff *skb, u32 info)
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 {
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 	struct xfrm4_protocol *handler;
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144
 
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 	for_each_protocol_rcu(ah4_handlers, handler)
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 		if (!handler->err_handler(skb, info))
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-			break;
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+			return 0;
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+
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+	return -ENOENT;
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 }
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 static int xfrm4_ipcomp_rcv(struct sk_buff *skb)
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@@ -158,13 +166,15 @@
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 	return 0;
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 }
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168
 
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-static void xfrm4_ipcomp_err(struct sk_buff *skb, u32 info)
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+static int xfrm4_ipcomp_err(struct sk_buff *skb, u32 info)
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 {
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 	struct xfrm4_protocol *handler;
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 	for_each_protocol_rcu(ipcomp4_handlers, handler)
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 		if (!handler->err_handler(skb, info))
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-			break;
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+			return 0;
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+
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+	return -ENOENT;
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 }
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179
 
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 static const struct net_protocol esp4_protocol = {
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@@ -297,4 +307,3 @@
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 {
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 	xfrm_input_register_afinfo(&xfrm4_input_afinfo);
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 }
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-EXPORT_SYMBOL(xfrm4_protocol_init);