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v0.8.1
https://github.com/torvalds/linux
02 December 2023, 22:23:51 UTC
Revision 3b339e2527a6db257fa8f2a4cab3c510432a98d5 authored by Paolo Bonzini on 20 May 2019, 10:02:16 UTC, committed by Paolo Bonzini on 24 May 2019, 19:27:05 UTC 
kvm: selftests: avoid type punning
 
Avoid warnings from -Wstrict-aliasing by using memcpy.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 parent be7fcf1
Raw File
Tip revision: 3b339e2527a6db257fa8f2a4cab3c510432a98d5 authored by Paolo Bonzini on 20 May 2019, 10:02:16 UTC
kvm: selftests: avoid type punning
Tip revision: 3b339e2
xfrm_inout.h 
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/ipv6.h>
#include <net/dsfield.h>
#include <net/xfrm.h>

#ifndef XFRM_INOUT_H
#define XFRM_INOUT_H 1

static inline void xfrm6_beet_make_header(struct sk_buff *skb)
{
	struct ipv6hdr *iph = ipv6_hdr(skb);

	iph->version = 6;

	memcpy(iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,
	       sizeof(iph->flow_lbl));
	iph->nexthdr = XFRM_MODE_SKB_CB(skb)->protocol;

	ipv6_change_dsfield(iph, 0, XFRM_MODE_SKB_CB(skb)->tos);
	iph->hop_limit = XFRM_MODE_SKB_CB(skb)->ttl;
}

static inline void xfrm4_beet_make_header(struct sk_buff *skb)
{
	struct iphdr *iph = ip_hdr(skb);

	iph->ihl = 5;
	iph->version = 4;

	iph->protocol = XFRM_MODE_SKB_CB(skb)->protocol;
	iph->tos = XFRM_MODE_SKB_CB(skb)->tos;

	iph->id = XFRM_MODE_SKB_CB(skb)->id;
	iph->frag_off = XFRM_MODE_SKB_CB(skb)->frag_off;
	iph->ttl = XFRM_MODE_SKB_CB(skb)->ttl;
}

#endif
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