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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.c58
1 files changed, 0 insertions, 58 deletions
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index a0537b4f62f8..1c4a76bdd889 100644
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -19,65 +19,7 @@
#include <net/ipv6.h>
#include <net/xfrm.h>
-static 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;
-}
-
-/* Add encapsulation header.
- *
- * The top IP header will be constructed per draft-nikander-esp-beet-mode-06.txt.
- */
-static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
-{
- struct ipv6hdr *top_iph;
- struct ip_beet_phdr *ph;
- int optlen, hdr_len;
-
- hdr_len = 0;
- optlen = XFRM_MODE_SKB_CB(skb)->optlen;
- if (unlikely(optlen))
- hdr_len += IPV4_BEET_PHMAXLEN - (optlen & 4);
-
- skb_set_network_header(skb, -x->props.header_len - hdr_len);
- if (x->sel.family != AF_INET6)
- skb->network_header += IPV4_BEET_PHMAXLEN;
- skb->mac_header = skb->network_header +
- offsetof(struct ipv6hdr, nexthdr);
- skb->transport_header = skb->network_header + sizeof(*top_iph);
- ph = __skb_pull(skb, XFRM_MODE_SKB_CB(skb)->ihl - hdr_len);
-
- xfrm6_beet_make_header(skb);
-
- top_iph = ipv6_hdr(skb);
- if (unlikely(optlen)) {
-
- BUG_ON(optlen < 0);
-
- ph->padlen = 4 - (optlen & 4);
- ph->hdrlen = optlen / 8;
- ph->nexthdr = top_iph->nexthdr;
- if (ph->padlen)
- memset(ph + 1, IPOPT_NOP, ph->padlen);
-
- top_iph->nexthdr = IPPROTO_BEETPH;
- }
-
- top_iph->saddr = *(struct in6_addr *)&x->props.saddr;
- top_iph->daddr = *(struct in6_addr *)&x->id.daddr;
- return 0;
-}
static struct xfrm_mode xfrm6_beet_mode = {
- .output2 = xfrm6_beet_output,
.owner = THIS_MODULE,
.encap = XFRM_MODE_BEET,
.flags = XFRM_MODE_FLAG_TUNNEL,