#include <net/ip.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
+#ifdef CONFIG_IPV6_MIP6
+#include <net/mip6.h>
+#endif
static struct dst_ops xfrm6_dst_ops;
static struct xfrm_policy_afinfo xfrm6_policy_afinfo;
-static int xfrm6_dst_lookup(struct xfrm_dst **dst, struct flowi *fl)
+static int xfrm6_dst_lookup(struct xfrm_dst **xdst, struct flowi *fl)
{
- int err = 0;
- *dst = (struct xfrm_dst*)ip6_route_output(NULL, fl);
- if (!*dst)
- err = -ENETUNREACH;
+ struct dst_entry *dst = ip6_route_output(NULL, fl);
+ int err = dst->error;
+ if (!err)
+ *xdst = (struct xfrm_dst *) dst;
+ else
+ dst_release(dst);
return err;
}
+static int xfrm6_get_saddr(xfrm_address_t *saddr, xfrm_address_t *daddr)
+{
+ struct rt6_info *rt;
+ struct flowi fl_tunnel = {
+ .nl_u = {
+ .ip6_u = {
+ .daddr = *(struct in6_addr *)&daddr->a6,
+ },
+ },
+ };
+
+ if (!xfrm6_dst_lookup((struct xfrm_dst **)&rt, &fl_tunnel)) {
+ ipv6_get_saddr(&rt->u.dst, (struct in6_addr *)&daddr->a6,
+ (struct in6_addr *)&saddr->a6);
+ dst_release(&rt->u.dst);
+ return 0;
+ }
+ return -EHOSTUNREACH;
+}
+
static struct dst_entry *
__xfrm6_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
{
xdst->u.rt6.rt6i_src.plen);
if (ipv6_addr_equal(&xdst->u.rt6.rt6i_dst.addr, &fl_dst_prefix) &&
ipv6_addr_equal(&xdst->u.rt6.rt6i_src.addr, &fl_src_prefix) &&
- xfrm_bundle_ok(xdst, fl, AF_INET6,
+ xfrm_bundle_ok(policy, xdst, fl, AF_INET6,
(xdst->u.rt6.rt6i_dst.plen != 128 ||
xdst->u.rt6.rt6i_src.plen != 128))) {
dst_clone(dst);
xdst = (struct xfrm_dst *)dst1;
xdst->route = &rt->u.dst;
+ xdst->genid = xfrm[i]->genid;
if (rt->rt6i_node)
xdst->route_cookie = rt->rt6i_node->fn_sernum;
case IPPROTO_SCTP:
case IPPROTO_DCCP:
if (pskb_may_pull(skb, skb->nh.raw + offset + 4 - skb->data)) {
- u16 *ports = (u16 *)exthdr;
+ __be16 *ports = (__be16 *)exthdr;
fl->fl_ip_sport = ports[0];
fl->fl_ip_dport = ports[1];
fl->proto = nexthdr;
return;
+#ifdef CONFIG_IPV6_MIP6
+ case IPPROTO_MH:
+ if (pskb_may_pull(skb, skb->nh.raw + offset + 3 - skb->data)) {
+ struct ip6_mh *mh;
+ mh = (struct ip6_mh *)exthdr;
+
+ fl->fl_mh_type = mh->ip6mh_type;
+ }
+ fl->proto = nexthdr;
+ return;
+#endif
+
/* XXX Why are there these headers? */
case IPPROTO_AH:
case IPPROTO_ESP:
.family = AF_INET6,
.dst_ops = &xfrm6_dst_ops,
.dst_lookup = xfrm6_dst_lookup,
+ .get_saddr = xfrm6_get_saddr,
.find_bundle = __xfrm6_find_bundle,
.bundle_create = __xfrm6_bundle_create,
.decode_session = _decode_session6,