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Date: Fri, 04 Mar 2011 22:12:14 -0800 (PST)
From: David Miller <davem@...emloft.net>
To: netdev@...r.kernel.org
Subject: [PATCH] ipv4: Remove flowi from struct rtable.
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@...emloft.net>
---
include/net/route.h | 22 ++++---
net/ipv4/icmp.c | 2 +-
net/ipv4/ipmr.c | 52 +++++++++++++----
net/ipv4/route.c | 153 +++++++++++++++++++++++++---------------------
net/ipv4/xfrm4_policy.c | 7 ++-
net/sched/cls_route.c | 2 +-
net/sched/em_meta.c | 2 +-
7 files changed, 146 insertions(+), 94 deletions(-)
diff --git a/include/net/route.h b/include/net/route.h
index 8905d90..9257f5f 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -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 };
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 994a785..1771ce6 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -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);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 26ca2f2..9d5f634 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -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);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 602473c..92a24ea 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -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,
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 45b8214..c70c42e 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -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);
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index d580cdf..a9079053 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -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 &&
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index e5e1747..a4de67e 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -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;
}
/**************************************************************************
--
1.7.4.1
--
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