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path: root/net/ipv6/xfrm6_mode_beet.c
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Diffstat (limited to 'net/ipv6/xfrm6_mode_beet.c')
-rw-r--r--net/ipv6/xfrm6_mode_beet.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index 2e61d6ddece3..65e6b2a7fb31 100644
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -26,10 +26,11 @@
26 * payload_len 26 * payload_len
27 * 27 *
28 * On exit, skb->h will be set to the start of the encapsulation header to be 28 * On exit, skb->h will be set to the start of the encapsulation header to be
29 * filled in by x->type->output and skb->nh will be set to the nextheader field 29 * filled in by x->type->output and the mac header will be set to the
30 * of the extension header directly preceding the encapsulation header, or in 30 * nextheader field of the extension header directly preceding the
31 * its absence, that of the top IP header. The value of skb->data will always 31 * encapsulation header, or in its absence, that of the top IP header.
32 * point to the top IP header. 32 * The value of skb->data and the network header will always point to the
33 * top IP header.
33 */ 34 */
34static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb) 35static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
35{ 36{
@@ -41,15 +42,12 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
41 iph = ipv6_hdr(skb); 42 iph = ipv6_hdr(skb);
42 43
43 hdr_len = ip6_find_1stfragopt(skb, &prevhdr); 44 hdr_len = ip6_find_1stfragopt(skb, &prevhdr);
44 skb_set_network_header(skb,
45 (prevhdr - x->props.header_len) - skb->data);
46 skb_set_transport_header(skb, hdr_len);
47 memmove(skb->data, iph, hdr_len); 45 memmove(skb->data, iph, hdr_len);
48 46
47 skb_set_mac_header(skb, offsetof(struct ipv6hdr, nexthdr));
49 skb_reset_network_header(skb); 48 skb_reset_network_header(skb);
49 skb_set_transport_header(skb, sizeof(struct ipv6hdr));
50 top_iph = ipv6_hdr(skb); 50 top_iph = ipv6_hdr(skb);
51 skb->transport_header = skb->network_header + sizeof(struct ipv6hdr);
52 skb->network_header += offsetof(struct ipv6hdr, nexthdr);
53 51
54 ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr); 52 ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
55 ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr); 53 ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);