xfrm4: Add IPsec protocol multiplexer

This patch add an IPsec protocol multiplexer. With this
it is possible to add alternative protocol handlers as
needed for IPsec virtual tunnel interfaces.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index 1f12c8b45864..aac6197b7a71 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -37,15 +37,6 @@ drop:
         return NET_RX_DROP;
 }
 
-int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
-                    int encap_type)
-{
-        XFRM_SPI_SKB_CB(skb)->family = AF_INET;
-        XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
-        return xfrm_input(skb, nexthdr, spi, encap_type);
-}
-EXPORT_SYMBOL(xfrm4_rcv_encap);
-
 int xfrm4_transport_finish(struct sk_buff *skb, int async)
 {
         struct iphdr *iph = ip_hdr(skb);