ipv4: Remove flowi from struct rtable.
David S. Miller [Sat, 5 Mar 2011 05:47:09 +0000 (21:47 -0800)]
The only necessary parts are the src/dst addresses, the
interface indexes, the TOS, and the mark.

The rest is unnecessary bloat, which amounts to nearly
50 bytes on 64-bit.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/route.h
net/ipv4/icmp.c
net/ipv4/ipmr.c
net/ipv4/route.c
net/ipv4/xfrm4_policy.c
net/sched/cls_route.c
net/sched/em_meta.c

index 8905d90..9257f5f 100644 (file)
@@ -53,16 +53,20 @@ struct fib_info;
 struct rtable {
        struct dst_entry        dst;
 
-       /* Cache lookup keys */
-       struct flowi            fl;
+       /* Lookup key. */
+       __be32                  rt_key_dst;
+       __be32                  rt_key_src;
 
        int                     rt_genid;
        unsigned                rt_flags;
        __u16                   rt_type;
+       __u8                    rt_tos;
 
        __be32                  rt_dst; /* Path destination     */
        __be32                  rt_src; /* Path source          */
        int                     rt_iif;
+       int                     rt_oif;
+       __u32                   rt_mark;
 
        /* Info on neighbour */
        __be32                  rt_gateway;
@@ -76,12 +80,12 @@ struct rtable {
 
 static inline bool rt_is_input_route(struct rtable *rt)
 {
-       return rt->fl.iif != 0;
+       return rt->rt_iif != 0;
 }
 
 static inline bool rt_is_output_route(struct rtable *rt)
 {
-       return rt->fl.iif == 0;
+       return rt->rt_iif == 0;
 }
 
 struct ip_rt_acct {
@@ -212,11 +216,11 @@ static inline struct rtable *ip_route_newports(struct rtable *rt,
                                               __be16 dport, struct sock *sk)
 {
        if (sport != orig_sport || dport != orig_dport) {
-               struct flowi fl = { .oif = rt->fl.oif,
-                                   .mark = rt->fl.mark,
-                                   .fl4_dst = rt->fl.fl4_dst,
-                                   .fl4_src = rt->fl.fl4_src,
-                                   .fl4_tos = rt->fl.fl4_tos,
+               struct flowi fl = { .oif = rt->rt_oif,
+                                   .mark = rt->rt_mark,
+                                   .fl4_dst = rt->rt_key_dst,
+                                   .fl4_src = rt->rt_key_src,
+                                   .fl4_tos = rt->rt_tos,
                                    .proto = protocol,
                                    .fl_ip_sport = sport,
                                    .fl_ip_dport = dport };
index 994a785..1771ce6 100644 (file)
@@ -563,7 +563,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
                rcu_read_lock();
                if (rt_is_input_route(rt) &&
                    net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr)
-                       dev = dev_get_by_index_rcu(net, rt->fl.iif);
+                       dev = dev_get_by_index_rcu(net, rt->rt_iif);
 
                if (dev)
                        saddr = inet_select_addr(dev, 0, RT_SCOPE_LINK);
index 26ca2f2..9d5f634 100644 (file)
@@ -1813,12 +1813,22 @@ int ip_mr_input(struct sk_buff *skb)
        if (IPCB(skb)->flags & IPSKB_FORWARDED)
                goto dont_forward;
 
-       err = ipmr_fib_lookup(net, &skb_rtable(skb)->fl, &mrt);
-       if (err < 0) {
-               kfree_skb(skb);
-               return err;
+       {
+               struct rtable *rt = skb_rtable(skb);
+               struct flowi fl = {
+                       .fl4_dst = rt->rt_key_dst,
+                       .fl4_src = rt->rt_key_src,
+                       .fl4_tos = rt->rt_tos,
+                       .oif = rt->rt_oif,
+                       .iif = rt->rt_iif,
+                       .mark = rt->rt_mark,
+               };
+               err = ipmr_fib_lookup(net, &fl, &mrt);
+               if (err < 0) {
+                       kfree_skb(skb);
+                       return err;
+               }
        }
-
        if (!local) {
                if (IPCB(skb)->opt.router_alert) {
                        if (ip_call_ra_chain(skb))
@@ -1946,9 +1956,19 @@ int pim_rcv_v1(struct sk_buff *skb)
 
        pim = igmp_hdr(skb);
 
-       if (ipmr_fib_lookup(net, &skb_rtable(skb)->fl, &mrt) < 0)
-               goto drop;
-
+       {
+               struct rtable *rt = skb_rtable(skb);
+               struct flowi fl = {
+                       .fl4_dst = rt->rt_key_dst,
+                       .fl4_src = rt->rt_key_src,
+                       .fl4_tos = rt->rt_tos,
+                       .oif = rt->rt_oif,
+                       .iif = rt->rt_iif,
+                       .mark = rt->rt_mark,
+               };
+               if (ipmr_fib_lookup(net, &fl, &mrt) < 0)
+                       goto drop;
+       }
        if (!mrt->mroute_do_pim ||
            pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
                goto drop;
@@ -1978,9 +1998,19 @@ static int pim_rcv(struct sk_buff *skb)
             csum_fold(skb_checksum(skb, 0, skb->len, 0))))
                goto drop;
 
-       if (ipmr_fib_lookup(net, &skb_rtable(skb)->fl, &mrt) < 0)
-               goto drop;
-
+       {
+               struct rtable *rt = skb_rtable(skb);
+               struct flowi fl = {
+                       .fl4_dst = rt->rt_key_dst,
+                       .fl4_src = rt->rt_key_src,
+                       .fl4_tos = rt->rt_tos,
+                       .oif = rt->rt_oif,
+                       .iif = rt->rt_iif,
+                       .mark = rt->rt_mark,
+               };
+               if (ipmr_fib_lookup(net, &fl, &mrt) < 0)
+                       goto drop;
+       }
        if (__pim_rcv(mrt, skb, sizeof(*pim))) {
 drop:
                kfree_skb(skb);
index 602473c..92a24ea 100644 (file)
@@ -424,7 +424,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
                        dst_metric(&r->dst, RTAX_WINDOW),
                        (int)((dst_metric(&r->dst, RTAX_RTT) >> 3) +
                              dst_metric(&r->dst, RTAX_RTTVAR)),
-                       r->fl.fl4_tos,
+                       r->rt_tos,
                        r->dst.hh ? atomic_read(&r->dst.hh->hh_refcnt) : -1,
                        r->dst.hh ? (r->dst.hh->hh_output ==
                                       dev_queue_xmit) : 0,
@@ -711,22 +711,22 @@ static inline bool rt_caching(const struct net *net)
                net->ipv4.sysctl_rt_cache_rebuild_count;
 }
 
-static inline bool compare_hash_inputs(const struct flowi *fl1,
-                                       const struct flowi *fl2)
+static inline bool compare_hash_inputs(const struct rtable *rt1,
+                                      const struct rtable *rt2)
 {
-       return ((((__force u32)fl1->fl4_dst ^ (__force u32)fl2->fl4_dst) |
-               ((__force u32)fl1->fl4_src ^ (__force u32)fl2->fl4_src) |
-               (fl1->iif ^ fl2->iif)) == 0);
+       return ((((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
+               ((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
+               (rt1->rt_iif ^ rt2->rt_iif)) == 0);
 }
 
-static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
+static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
 {
-       return (((__force u32)fl1->fl4_dst ^ (__force u32)fl2->fl4_dst) |
-               ((__force u32)fl1->fl4_src ^ (__force u32)fl2->fl4_src) |
-               (fl1->mark ^ fl2->mark) |
-               (*(u16 *)&fl1->fl4_tos ^ *(u16 *)&fl2->fl4_tos) |
-               (fl1->oif ^ fl2->oif) |
-               (fl1->iif ^ fl2->iif)) == 0;
+       return (((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
+               ((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
+               (rt1->rt_mark ^ rt2->rt_mark) |
+               (rt1->rt_tos ^ rt2->rt_tos) |
+               (rt1->rt_oif ^ rt2->rt_oif) |
+               (rt1->rt_iif ^ rt2->rt_iif)) == 0;
 }
 
 static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
@@ -813,7 +813,7 @@ static int has_noalias(const struct rtable *head, const struct rtable *rth)
        const struct rtable *aux = head;
 
        while (aux != rth) {
-               if (compare_hash_inputs(&aux->fl, &rth->fl))
+               if (compare_hash_inputs(aux, rth))
                        return 0;
                aux = rcu_dereference_protected(aux->dst.rt_next, 1);
        }
@@ -1073,7 +1073,7 @@ restart:
                        rt_free(rth);
                        continue;
                }
-               if (compare_keys(&rth->fl, &rt->fl) && compare_netns(rth, rt)) {
+               if (compare_keys(rth, rt) && compare_netns(rth, rt)) {
                        /* Put it first */
                        *rthp = rth->dst.rt_next;
                        /*
@@ -1136,7 +1136,7 @@ restart:
                        rt_emergency_hash_rebuild(net);
                        spin_unlock_bh(rt_hash_lock_addr(hash));
 
-                       hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+                       hash = rt_hash(rt->rt_key_dst, rt->rt_key_src,
                                        ifindex, rt_genid(net));
                        goto restart;
                }
@@ -1344,12 +1344,12 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
                        ip_rt_put(rt);
                        ret = NULL;
                } else if (rt->rt_flags & RTCF_REDIRECTED) {
-                       unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
-                                               rt->fl.oif,
+                       unsigned hash = rt_hash(rt->rt_key_dst, rt->rt_key_src,
+                                               rt->rt_oif,
                                                rt_genid(dev_net(dst->dev)));
 #if RT_CACHE_DEBUG >= 1
                        printk(KERN_DEBUG "ipv4_negative_advice: redirect to %pI4/%02x dropped\n",
-                               &rt->rt_dst, rt->fl.fl4_tos);
+                               &rt->rt_dst, rt->rt_tos);
 #endif
                        rt_del(hash, rt);
                        ret = NULL;
@@ -1697,8 +1697,17 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
        if (rt_is_output_route(rt))
                src = rt->rt_src;
        else {
+               struct flowi fl = {
+                       .fl4_dst = rt->rt_key_dst,
+                       .fl4_src = rt->rt_key_src,
+                       .fl4_tos = rt->rt_tos,
+                       .oif = rt->rt_oif,
+                       .iif = rt->rt_iif,
+                       .mark = rt->rt_mark,
+               };
+
                rcu_read_lock();
-               if (fib_lookup(dev_net(rt->dst.dev), &rt->fl, &res) == 0)
+               if (fib_lookup(dev_net(rt->dst.dev), &fl, &res) == 0)
                        src = FIB_RES_PREFSRC(res);
                else
                        src = inet_select_addr(rt->dst.dev, rt->rt_gateway,
@@ -1748,7 +1757,8 @@ static unsigned int ipv4_default_mtu(const struct dst_entry *dst)
        return mtu;
 }
 
-static void rt_init_metrics(struct rtable *rt, struct fib_info *fi)
+static void rt_init_metrics(struct rtable *rt, const struct flowi *oldflp,
+                           struct fib_info *fi)
 {
        struct inet_peer *peer;
        int create = 0;
@@ -1756,7 +1766,7 @@ static void rt_init_metrics(struct rtable *rt, struct fib_info *fi)
        /* If a peer entry exists for this destination, we must hook
         * it up in order to get at cached metrics.
         */
-       if (rt->fl.flags & FLOWI_FLAG_PRECOW_METRICS)
+       if (oldflp && (oldflp->flags & FLOWI_FLAG_PRECOW_METRICS))
                create = 1;
 
        rt->peer = peer = inet_getpeer_v4(rt->rt_dst, create);
@@ -1783,7 +1793,8 @@ static void rt_init_metrics(struct rtable *rt, struct fib_info *fi)
        }
 }
 
-static void rt_set_nexthop(struct rtable *rt, const struct fib_result *res,
+static void rt_set_nexthop(struct rtable *rt, const struct flowi *oldflp,
+                          const struct fib_result *res,
                           struct fib_info *fi, u16 type, u32 itag)
 {
        struct dst_entry *dst = &rt->dst;
@@ -1792,7 +1803,7 @@ static void rt_set_nexthop(struct rtable *rt, const struct fib_result *res,
                if (FIB_RES_GW(*res) &&
                    FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
                        rt->rt_gateway = FIB_RES_GW(*res);
-               rt_init_metrics(rt, fi);
+               rt_init_metrics(rt, oldflp, fi);
 #ifdef CONFIG_IP_ROUTE_CLASSID
                dst->tclassid = FIB_RES_NH(*res).nh_tclassid;
 #endif
@@ -1861,20 +1872,19 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
        rth->dst.output = ip_rt_bug;
 
-       rth->fl.fl4_dst = daddr;
+       rth->rt_key_dst = daddr;
        rth->rt_dst     = daddr;
-       rth->fl.fl4_tos = tos;
-       rth->fl.mark    = skb->mark;
-       rth->fl.fl4_src = saddr;
+       rth->rt_tos     = tos;
+       rth->rt_mark    = skb->mark;
+       rth->rt_key_src = saddr;
        rth->rt_src     = saddr;
 #ifdef CONFIG_IP_ROUTE_CLASSID
        rth->dst.tclassid = itag;
 #endif
-       rth->rt_iif     =
-       rth->fl.iif     = dev->ifindex;
+       rth->rt_iif     = dev->ifindex;
        rth->dst.dev    = init_net.loopback_dev;
        dev_hold(rth->dst.dev);
-       rth->fl.oif     = 0;
+       rth->rt_oif     = 0;
        rth->rt_gateway = daddr;
        rth->rt_spec_dst= spec_dst;
        rth->rt_genid   = rt_genid(dev_net(dev));
@@ -1999,25 +2009,24 @@ static int __mkroute_input(struct sk_buff *skb,
                goto cleanup;
        }
 
-       rth->fl.fl4_dst = daddr;
+       rth->rt_key_dst = daddr;
        rth->rt_dst     = daddr;
-       rth->fl.fl4_tos = tos;
-       rth->fl.mark    = skb->mark;
-       rth->fl.fl4_src = saddr;
+       rth->rt_tos     = tos;
+       rth->rt_mark    = skb->mark;
+       rth->rt_key_src = saddr;
        rth->rt_src     = saddr;
        rth->rt_gateway = daddr;
-       rth->rt_iif     =
-               rth->fl.iif     = in_dev->dev->ifindex;
+       rth->rt_iif     = in_dev->dev->ifindex;
        rth->dst.dev    = (out_dev)->dev;
        dev_hold(rth->dst.dev);
-       rth->fl.oif     = 0;
+       rth->rt_oif     = 0;
        rth->rt_spec_dst= spec_dst;
 
        rth->dst.input = ip_forward;
        rth->dst.output = ip_output;
        rth->rt_genid = rt_genid(dev_net(rth->dst.dev));
 
-       rt_set_nexthop(rth, res, res->fi, res->type, itag);
+       rt_set_nexthop(rth, NULL, res, res->fi, res->type, itag);
 
        rth->rt_flags = flags;
 
@@ -2172,17 +2181,16 @@ local_input:
        rth->dst.output= ip_rt_bug;
        rth->rt_genid = rt_genid(net);
 
-       rth->fl.fl4_dst = daddr;
+       rth->rt_key_dst = daddr;
        rth->rt_dst     = daddr;
-       rth->fl.fl4_tos = tos;
-       rth->fl.mark    = skb->mark;
-       rth->fl.fl4_src = saddr;
+       rth->rt_tos     = tos;
+       rth->rt_mark    = skb->mark;
+       rth->rt_key_src = saddr;
        rth->rt_src     = saddr;
 #ifdef CONFIG_IP_ROUTE_CLASSID
        rth->dst.tclassid = itag;
 #endif
-       rth->rt_iif     =
-       rth->fl.iif     = dev->ifindex;
+       rth->rt_iif     = dev->ifindex;
        rth->dst.dev    = net->loopback_dev;
        dev_hold(rth->dst.dev);
        rth->rt_gateway = daddr;
@@ -2261,12 +2269,12 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
        for (rth = rcu_dereference(rt_hash_table[hash].chain); rth;
             rth = rcu_dereference(rth->dst.rt_next)) {
-               if ((((__force u32)rth->fl.fl4_dst ^ (__force u32)daddr) |
-                    ((__force u32)rth->fl.fl4_src ^ (__force u32)saddr) |
-                    (rth->fl.iif ^ iif) |
-                    rth->fl.oif |
-                    (rth->fl.fl4_tos ^ tos)) == 0 &&
-                   rth->fl.mark == skb->mark &&
+               if ((((__force u32)rth->rt_key_dst ^ (__force u32)daddr) |
+                    ((__force u32)rth->rt_key_src ^ (__force u32)saddr) |
+                    (rth->rt_iif ^ iif) |
+                    rth->rt_oif |
+                    (rth->rt_tos ^ tos)) == 0 &&
+                   rth->rt_mark == skb->mark &&
                    net_eq(dev_net(rth->dst.dev), net) &&
                    !rt_is_expired(rth)) {
                        if (noref) {
@@ -2374,11 +2382,11 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
        if (!rth)
                return ERR_PTR(-ENOBUFS);
 
-       rth->fl.fl4_dst = oldflp->fl4_dst;
-       rth->fl.fl4_tos = tos;
-       rth->fl.fl4_src = oldflp->fl4_src;
-       rth->fl.oif     = oldflp->oif;
-       rth->fl.mark    = oldflp->mark;
+       rth->rt_key_dst = oldflp->fl4_dst;
+       rth->rt_tos     = tos;
+       rth->rt_key_src = oldflp->fl4_src;
+       rth->rt_oif     = oldflp->oif;
+       rth->rt_mark    = oldflp->mark;
        rth->rt_dst     = fl->fl4_dst;
        rth->rt_src     = fl->fl4_src;
        rth->rt_iif     = 0;
@@ -2416,7 +2424,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
 #endif
        }
 
-       rt_set_nexthop(rth, res, fi, type, 0);
+       rt_set_nexthop(rth, oldflp, res, fi, type, 0);
 
        rth->rt_flags = flags;
        return rth;
@@ -2629,12 +2637,12 @@ struct rtable *__ip_route_output_key(struct net *net, const struct flowi *flp)
        rcu_read_lock_bh();
        for (rth = rcu_dereference_bh(rt_hash_table[hash].chain); rth;
                rth = rcu_dereference_bh(rth->dst.rt_next)) {
-               if (rth->fl.fl4_dst == flp->fl4_dst &&
-                   rth->fl.fl4_src == flp->fl4_src &&
+               if (rth->rt_key_dst == flp->fl4_dst &&
+                   rth->rt_key_src == flp->fl4_src &&
                    rt_is_output_route(rth) &&
-                   rth->fl.oif == flp->oif &&
-                   rth->fl.mark == flp->mark &&
-                   !((rth->fl.fl4_tos ^ flp->fl4_tos) &
+                   rth->rt_oif == flp->oif &&
+                   rth->rt_mark == flp->mark &&
+                   !((rth->rt_tos ^ flp->fl4_tos) &
                            (IPTOS_RT_MASK | RTO_ONLINK)) &&
                    net_eq(dev_net(rth->dst.dev), net) &&
                    !rt_is_expired(rth)) {
@@ -2693,7 +2701,12 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
                if (new->dev)
                        dev_hold(new->dev);
 
-               rt->fl = ort->fl;
+               rt->rt_key_dst = ort->rt_key_dst;
+               rt->rt_key_src = ort->rt_key_src;
+               rt->rt_tos = ort->rt_tos;
+               rt->rt_iif = ort->rt_iif;
+               rt->rt_oif = ort->rt_oif;
+               rt->rt_mark = ort->rt_mark;
 
                rt->rt_genid = rt_genid(net);
                rt->rt_flags = ort->rt_flags;
@@ -2756,7 +2769,7 @@ static int rt_fill_info(struct net *net,
        r->rtm_family    = AF_INET;
        r->rtm_dst_len  = 32;
        r->rtm_src_len  = 0;
-       r->rtm_tos      = rt->fl.fl4_tos;
+       r->rtm_tos      = rt->rt_tos;
        r->rtm_table    = RT_TABLE_MAIN;
        NLA_PUT_U32(skb, RTA_TABLE, RT_TABLE_MAIN);
        r->rtm_type     = rt->rt_type;
@@ -2768,9 +2781,9 @@ static int rt_fill_info(struct net *net,
 
        NLA_PUT_BE32(skb, RTA_DST, rt->rt_dst);
 
-       if (rt->fl.fl4_src) {
+       if (rt->rt_key_src) {
                r->rtm_src_len = 32;
-               NLA_PUT_BE32(skb, RTA_SRC, rt->fl.fl4_src);
+               NLA_PUT_BE32(skb, RTA_SRC, rt->rt_key_src);
        }
        if (rt->dst.dev)
                NLA_PUT_U32(skb, RTA_OIF, rt->dst.dev->ifindex);
@@ -2780,7 +2793,7 @@ static int rt_fill_info(struct net *net,
 #endif
        if (rt_is_input_route(rt))
                NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_spec_dst);
-       else if (rt->rt_src != rt->fl.fl4_src)
+       else if (rt->rt_src != rt->rt_key_src)
                NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_src);
 
        if (rt->rt_dst != rt->rt_gateway)
@@ -2789,8 +2802,8 @@ static int rt_fill_info(struct net *net,
        if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
                goto nla_put_failure;
 
-       if (rt->fl.mark)
-               NLA_PUT_BE32(skb, RTA_MARK, rt->fl.mark);
+       if (rt->rt_mark)
+               NLA_PUT_BE32(skb, RTA_MARK, rt->rt_mark);
 
        error = rt->dst.error;
        expires = (rt->peer && rt->peer->pmtu_expires) ?
@@ -2824,7 +2837,7 @@ static int rt_fill_info(struct net *net,
                        }
                } else
 #endif
-                       NLA_PUT_U32(skb, RTA_IIF, rt->fl.iif);
+                       NLA_PUT_U32(skb, RTA_IIF, rt->rt_iif);
        }
 
        if (rtnl_put_cacheinfo(skb, &rt->dst, id, ts, tsage,
index 45b8214..c70c42e 100644 (file)
@@ -70,7 +70,12 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
 {
        struct rtable *rt = (struct rtable *)xdst->route;
 
-       xdst->u.rt.fl = *fl;
+       rt->rt_key_dst = fl->fl4_dst;
+       rt->rt_key_src = fl->fl4_src;
+       rt->rt_tos = fl->fl4_tos;
+       rt->rt_iif = fl->iif;
+       rt->rt_oif = fl->oif;
+       rt->rt_mark = fl->mark;
 
        xdst->u.dst.dev = dev;
        dev_hold(dev);
index d580cdf..a907905 100644 (file)
@@ -143,7 +143,7 @@ static int route4_classify(struct sk_buff *skb, struct tcf_proto *tp,
        if (head == NULL)
                goto old_method;
 
-       iif = ((struct rtable *)dst)->fl.iif;
+       iif = ((struct rtable *)dst)->rt_iif;
 
        h = route4_fastmap_hash(id, iif);
        if (id == head->fastmap[h].id &&
index e5e1747..a4de67e 100644 (file)
@@ -264,7 +264,7 @@ META_COLLECTOR(int_rtiif)
        if (unlikely(skb_rtable(skb) == NULL))
                *err = -1;
        else
-               dst->value = skb_rtable(skb)->fl.iif;
+               dst->value = skb_rtable(skb)->rt_iif;
 }
 
 /**************************************************************************