[IPSEC]: Move RO-specific output code into xfrm6_mode_ro.c

The lastused update check in xfrm_output can be done just as well in
the mode output function which is specific to RO.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/xfrm6_mode_ro.c

@@ -29,6 +29,7 @@
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/stringify.h>
+#include <linux/time.h>
 #include <net/ipv6.h>
 #include <net/xfrm.h>
 
@@ -57,6 +58,9 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb)
 			       (prevhdr - x->props.header_len) - skb->data);
 	skb_set_transport_header(skb, hdr_len);
 	memmove(skb->data, iph, hdr_len);
+
+	x->lastused = get_seconds();
+
 	return 0;
 }
 

net/xfrm/xfrm_output.c

@@ -14,7 +14,6 @@
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/spinlock.h>
-#include <linux/time.h>
 #include <net/dst.h>
 #include <net/xfrm.h>
 
@@ -75,9 +74,6 @@ int xfrm_output(struct sk_buff *skb)
 		x->curlft.bytes += skb->len;
 		x->curlft.packets++;
 
-		if (x->props.mode == XFRM_MODE_ROUTEOPTIMIZATION)
-			x->lastused = get_seconds();
-
 		spin_unlock_bh(&x->lock);
 
 		skb_reset_network_header(skb);