dst: Pass net into dst->output

[linux-2.6-block.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index f204089e854cfbf80229cd82480aaaf57249adef..4320ddcac33f59511a8913d1c68c374231c64d3d 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -86,9 +86,9 @@ static void           ip6_dst_ifdown(struct dst_entry *,
 static int              ip6_dst_gc(struct dst_ops *ops);
 
 static int             ip6_pkt_discard(struct sk_buff *skb);
-static int             ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb);
+static int             ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb);
 static int             ip6_pkt_prohibit(struct sk_buff *skb);
-static int             ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb);
+static int             ip6_pkt_prohibit_out(struct net *net, struct sock *sk, struct sk_buff *skb);
 static void            ip6_link_failure(struct sk_buff *skb);
 static void            ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
                                           struct sk_buff *skb, u32 mtu);
@@ -308,7 +308,7 @@ static const struct rt6_info ip6_blk_hole_entry_template = {
                .obsolete       = DST_OBSOLETE_FORCE_CHK,
                .error          = -EINVAL,
                .input          = dst_discard,
-               .output         = dst_discard_sk,
+               .output         = dst_discard_out,
        },
        .rt6i_flags     = (RTF_REJECT | RTF_NONEXTHOP),
        .rt6i_protocol  = RTPROT_KERNEL,
@@ -421,31 +421,7 @@ static bool rt6_check_expired(const struct rt6_info *rt)
 static int rt6_info_hash_nhsfn(unsigned int candidate_count,
                               const struct flowi6 *fl6)
 {
-       unsigned int val = fl6->flowi6_proto;
-
-       val ^= ipv6_addr_hash(&fl6->daddr);
-       val ^= ipv6_addr_hash(&fl6->saddr);
-
-       /* Work only if this not encapsulated */
-       switch (fl6->flowi6_proto) {
-       case IPPROTO_UDP:
-       case IPPROTO_TCP:
-       case IPPROTO_SCTP:
-               val ^= (__force u16)fl6->fl6_sport;
-               val ^= (__force u16)fl6->fl6_dport;
-               break;
-
-       case IPPROTO_ICMPV6:
-               val ^= (__force u16)fl6->fl6_icmp_type;
-               val ^= (__force u16)fl6->fl6_icmp_code;
-               break;
-       }
-       /* RFC6438 recommands to use flowlabel */
-       val ^= (__force u32)fl6->flowlabel;
-
-       /* Perhaps, we need to tune, this function? */
-       val = val ^ (val >> 7) ^ (val >> 12);
-       return val % candidate_count;
+       return get_hash_from_flowi6(fl6) % candidate_count;
 }
 
 static struct rt6_info *rt6_multipath_select(struct rt6_info *match,
@@ -498,10 +474,10 @@ static inline struct rt6_info *rt6_device_match(struct net *net,
                        if (dev->flags & IFF_LOOPBACK) {
                                if (!sprt->rt6i_idev ||
                                    sprt->rt6i_idev->dev->ifindex != oif) {
-                                       if (flags & RT6_LOOKUP_F_IFACE && oif)
+                                       if (flags & RT6_LOOKUP_F_IFACE)
                                                continue;
-                                       if (local && (!oif ||
-                                                     local->rt6i_idev->dev->ifindex == oif))
+                                       if (local &&
+                                           local->rt6i_idev->dev->ifindex == oif)
                                                continue;
                                }
                                local = sprt;
@@ -538,7 +514,7 @@ static void rt6_probe_deferred(struct work_struct *w)
                container_of(w, struct __rt6_probe_work, work);
 
        addrconf_addr_solict_mult(&work->target, &mcaddr);
-       ndisc_send_ns(work->dev, NULL, &work->target, &mcaddr, NULL, NULL);
+       ndisc_send_ns(work->dev, &work->target, &mcaddr, NULL, NULL);
        dev_put(work->dev);
        kfree(work);
 }
@@ -1193,7 +1169,8 @@ struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk,
 
        fl6->flowi6_iif = LOOPBACK_IFINDEX;
 
-       if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
+       if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr) ||
+           fl6->flowi6_oif)
                flags |= RT6_LOOKUP_F_IFACE;
 
        if (!ipv6_addr_any(&fl6->saddr))
@@ -1218,7 +1195,7 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
 
                new->__use = 1;
                new->input = dst_discard;
-               new->output = dst_discard_sk;
+               new->output = dst_discard_out;
 
                if (dst_metrics_read_only(&ort->dst))
                        new->_metrics = ort->dst._metrics;
@@ -1876,7 +1853,7 @@ int ip6_route_info_create(struct fib6_config *cfg, struct rt6_info **rt_ret)
                switch (cfg->fc_type) {
                case RTN_BLACKHOLE:
                        rt->dst.error = -EINVAL;
-                       rt->dst.output = dst_discard_sk;
+                       rt->dst.output = dst_discard_out;
                        rt->dst.input = dst_discard;
                        break;
                case RTN_PROHIBIT:
@@ -2469,7 +2446,7 @@ static int ip6_pkt_discard(struct sk_buff *skb)
        return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_INNOROUTES);
 }
 
-static int ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb)
+static int ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
        skb->dev = skb_dst(skb)->dev;
        return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_OUTNOROUTES);
@@ -2480,7 +2457,7 @@ static int ip6_pkt_prohibit(struct sk_buff *skb)
        return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_INNOROUTES);
 }
 
-static int ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb)
+static int ip6_pkt_prohibit_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
        skb->dev = skb_dst(skb)->dev;
        return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);