diff options
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index ccfbd328a69d..c5a5165a5927 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1350,11 +1350,12 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family) default: BUG(); } - xdst = dst_alloc(dst_ops, NULL, 0, 0, 0); + xdst = dst_alloc(dst_ops, NULL, 0, DST_OBSOLETE_NONE, 0); if (likely(xdst)) { - memset(&xdst->u.rt6.rt6i_table, 0, - sizeof(*xdst) - sizeof(struct dst_entry)); + struct dst_entry *dst = &xdst->u.dst; + + memset(dst + 1, 0, sizeof(*xdst) - sizeof(*dst)); xdst->flo.ops = &xfrm_bundle_fc_ops; } else xdst = ERR_PTR(-ENOBUFS); @@ -1476,7 +1477,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, dst1->xfrm = xfrm[i]; xdst->xfrm_genid = xfrm[i]->genid; - dst1->obsolete = -1; + dst1->obsolete = DST_OBSOLETE_FORCE_CHK; dst1->flags |= DST_HOST; dst1->lastuse = now; @@ -1500,9 +1501,6 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, if (!dev) goto free_dst; - /* Copy neighbour for reachability confirmation */ - dst_set_neighbour(dst0, neigh_clone(dst_get_neighbour_noref(dst))); - xfrm_init_path((struct xfrm_dst *)dst0, dst, nfheader_len); xfrm_init_pmtu(dst_prev); @@ -2221,12 +2219,13 @@ EXPORT_SYMBOL(__xfrm_route_forward); static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie) { /* Code (such as __xfrm4_bundle_create()) sets dst->obsolete - * to "-1" to force all XFRM destinations to get validated by - * dst_ops->check on every use. We do this because when a - * normal route referenced by an XFRM dst is obsoleted we do - * not go looking around for all parent referencing XFRM dsts - * so that we can invalidate them. It is just too much work. - * Instead we make the checks here on every use. For example: + * to DST_OBSOLETE_FORCE_CHK to force all XFRM destinations to + * get validated by dst_ops->check on every use. We do this + * because when a normal route referenced by an XFRM dst is + * obsoleted we do not go looking around for all parent + * referencing XFRM dsts so that we can invalidate them. It + * is just too much work. Instead we make the checks here on + * every use. For example: * * XFRM dst A --> IPv4 dst X * @@ -2236,9 +2235,9 @@ static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie) * stale_bundle() check. * * When a policy's bundle is pruned, we dst_free() the XFRM - * dst which causes it's ->obsolete field to be set to a - * positive non-zero integer. If an XFRM dst has been pruned - * like this, we want to force a new route lookup. + * dst which causes it's ->obsolete field to be set to + * DST_OBSOLETE_DEAD. If an XFRM dst has been pruned like + * this, we want to force a new route lookup. */ if (dst->obsolete < 0 && !stale_bundle(dst)) return dst; @@ -2404,9 +2403,11 @@ static unsigned int xfrm_mtu(const struct dst_entry *dst) return mtu ? : dst_mtu(dst->path); } -static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, const void *daddr) +static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr) { - return dst_neigh_lookup(dst->path, daddr); + return dst->path->ops->neigh_lookup(dst, skb, daddr); } int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) |