mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 00:46:47 +07:00
4c203b0454
xfrm_prepare_input needs to lookup the state afinfo backend again to fetch the address family ethernet protocol value. There are only two address families, so a switch statement is simpler. While at it, use u8 for family and proto and remove the owner member -- its not used anywhere. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* xfrm4_state.c
|
|
*
|
|
* Changes:
|
|
* YOSHIFUJI Hideaki @USAGI
|
|
* Split up af-specific portion
|
|
*
|
|
*/
|
|
|
|
#include <net/ip.h>
|
|
#include <net/xfrm.h>
|
|
#include <linux/pfkeyv2.h>
|
|
#include <linux/ipsec.h>
|
|
#include <linux/netfilter_ipv4.h>
|
|
#include <linux/export.h>
|
|
|
|
int xfrm4_extract_header(struct sk_buff *skb)
|
|
{
|
|
const struct iphdr *iph = ip_hdr(skb);
|
|
|
|
XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
|
|
XFRM_MODE_SKB_CB(skb)->id = iph->id;
|
|
XFRM_MODE_SKB_CB(skb)->frag_off = iph->frag_off;
|
|
XFRM_MODE_SKB_CB(skb)->tos = iph->tos;
|
|
XFRM_MODE_SKB_CB(skb)->ttl = iph->ttl;
|
|
XFRM_MODE_SKB_CB(skb)->optlen = iph->ihl * 4 - sizeof(*iph);
|
|
memset(XFRM_MODE_SKB_CB(skb)->flow_lbl, 0,
|
|
sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct xfrm_state_afinfo xfrm4_state_afinfo = {
|
|
.family = AF_INET,
|
|
.proto = IPPROTO_IPIP,
|
|
.output = xfrm4_output,
|
|
.output_finish = xfrm4_output_finish,
|
|
.extract_input = xfrm4_extract_input,
|
|
.extract_output = xfrm4_extract_output,
|
|
.transport_finish = xfrm4_transport_finish,
|
|
.local_error = xfrm4_local_error,
|
|
};
|
|
|
|
void __init xfrm4_state_init(void)
|
|
{
|
|
xfrm_state_register_afinfo(&xfrm4_state_afinfo);
|
|
}
|