*
*/
+#include <asm/bug.h>
+#include <linux/compiler.h>
#include <linux/config.h>
+#include <linux/netdevice.h>
+#include <net/addrconf.h>
#include <net/xfrm.h>
#include <net/ip.h>
#include <net/ipv6.h>
xdst = (struct xfrm_dst *)dst1;
xdst->route = &rt->u.dst;
+ if (rt->rt6i_node)
+ xdst->route_cookie = rt->rt6i_node->fn_sernum;
dst1->next = dst_prev;
dst_prev = dst1;
dst_prev->child = &rt->u.dst;
dst->path = &rt->u.dst;
+ if (rt->rt6i_node)
+ ((struct xfrm_dst *)dst)->path_cookie = rt->rt6i_node->fn_sernum;
*dst_p = dst;
dst = dst_prev;
memcpy(&x->u.rt6.rt6i_gateway, &rt0->rt6i_gateway, sizeof(x->u.rt6.rt6i_gateway));
x->u.rt6.rt6i_dst = rt0->rt6i_dst;
x->u.rt6.rt6i_src = rt0->rt6i_src;
+ x->u.rt6.rt6i_idev = rt0->rt6i_idev;
+ in6_dev_hold(rt0->rt6i_idev);
header_len -= x->u.dst.xfrm->props.header_len;
trailer_len -= x->u.dst.xfrm->props.trailer_len;
}
path->ops->update_pmtu(path, mtu);
}
+static void xfrm6_dst_destroy(struct dst_entry *dst)
+{
+ struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
+
+ if (likely(xdst->u.rt6.rt6i_idev))
+ in6_dev_put(xdst->u.rt6.rt6i_idev);
+ xfrm_dst_destroy(xdst);
+}
+
+static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
+ int unregister)
+{
+ struct xfrm_dst *xdst;
+
+ if (!unregister)
+ return;
+
+ xdst = (struct xfrm_dst *)dst;
+ if (xdst->u.rt6.rt6i_idev->dev == dev) {
+ struct inet6_dev *loopback_idev = in6_dev_get(&loopback_dev);
+ BUG_ON(!loopback_idev);
+
+ do {
+ in6_dev_put(xdst->u.rt6.rt6i_idev);
+ xdst->u.rt6.rt6i_idev = loopback_idev;
+ in6_dev_hold(loopback_idev);
+ xdst = (struct xfrm_dst *)xdst->u.dst.child;
+ } while (xdst->u.dst.xfrm);
+
+ __in6_dev_put(loopback_idev);
+ }
+
+ xfrm_dst_ifdown(dst, dev);
+}
+
static struct dst_ops xfrm6_dst_ops = {
.family = AF_INET6,
.protocol = __constant_htons(ETH_P_IPV6),
.gc = xfrm6_garbage_collect,
.update_pmtu = xfrm6_update_pmtu,
+ .destroy = xfrm6_dst_destroy,
+ .ifdown = xfrm6_dst_ifdown,
.gc_thresh = 1024,
.entry_size = sizeof(struct xfrm_dst),
};