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-rw-r--r--net/ipv4/icmp.c4
-rw-r--r--net/ipv4/igmp.c2
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/ipmr.c2
-rw-r--r--net/ipv4/route.c20
5 files changed, 15 insertions, 15 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 96bc7f9..c6e2aff 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -506,8 +506,8 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
struct net_device *dev = NULL;
rcu_read_lock();
- if (rt->fl.iif &&
- net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr)
+ if (rt_is_input_route(rt) &&
+ net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr)
dev = dev_get_by_index_rcu(net, rt->fl.iif);
if (dev)
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index c8877c6..08d0d81 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -961,7 +961,7 @@ int igmp_rcv(struct sk_buff *skb)
case IGMP_HOST_MEMBERSHIP_REPORT:
case IGMPV2_HOST_MEMBERSHIP_REPORT:
/* Is it our report looped back? */
- if (skb_rtable(skb)->fl.iif == 0)
+ if (rt_is_output_route(skb_rtable(skb)))
break;
/* don't rely on MC router hearing unicast reports */
if (skb->pkt_type == PACKET_MULTICAST ||
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 70ff77f..cab2057 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -634,7 +634,7 @@ static int ipgre_rcv(struct sk_buff *skb)
#ifdef CONFIG_NET_IPGRE_BROADCAST
if (ipv4_is_multicast(iph->daddr)) {
/* Looped back packet, drop it! */
- if (skb_rtable(skb)->fl.iif == 0)
+ if (rt_is_output_route(skb_rtable(skb)))
goto drop;
tunnel->dev->stats.multicast++;
skb->pkt_type = PACKET_BROADCAST;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 86dd569..ef2b008 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1654,7 +1654,7 @@ static int ip_mr_forward(struct net *net, struct mr_table *mrt,
if (mrt->vif_table[vif].dev != skb->dev) {
int true_vifi;
- if (skb_rtable(skb)->fl.iif == 0) {
+ if (rt_is_output_route(skb_rtable(skb))) {
/* It is our own packet, looped back.
* Very complicated situation...
*
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5955965..66610ea 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -623,7 +623,7 @@ static inline int rt_fast_clean(struct rtable *rth)
/* Kill broadcast/multicast entries very aggresively, if they
collide in hash table with more useful entries */
return (rth->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) &&
- rth->fl.iif && rth->dst.rt_next;
+ rt_is_input_route(rth) && rth->dst.rt_next;
}
static inline int rt_valuable(struct rtable *rth)
@@ -668,7 +668,7 @@ static inline u32 rt_score(struct rtable *rt)
if (rt_valuable(rt))
score |= (1<<31);
- if (!rt->fl.iif ||
+ if (rt_is_output_route(rt) ||
!(rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST|RTCF_LOCAL)))
score |= (1<<30);
@@ -1126,7 +1126,7 @@ restart:
*/
rt->dst.flags |= DST_NOCACHE;
- if (rt->rt_type == RTN_UNICAST || rt->fl.iif == 0) {
+ if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) {
int err = arp_bind_neighbour(&rt->dst);
if (err) {
if (net_ratelimit())
@@ -1224,7 +1224,7 @@ restart:
/* Try to bind route to arp only if it is output
route or unicast forwarding path.
*/
- if (rt->rt_type == RTN_UNICAST || rt->fl.iif == 0) {
+ if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) {
int err = arp_bind_neighbour(&rt->dst);
if (err) {
spin_unlock_bh(rt_hash_lock_addr(hash));
@@ -1406,7 +1406,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
if (rth->fl.fl4_dst != daddr ||
rth->fl.fl4_src != skeys[i] ||
rth->fl.oif != ikeys[k] ||
- rth->fl.iif != 0 ||
+ rt_is_input_route(rth) ||
rt_is_expired(rth) ||
!net_eq(dev_net(rth->dst.dev), net)) {
rthp = &rth->dst.rt_next;
@@ -1666,7 +1666,7 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
rth->rt_dst != daddr ||
rth->rt_src != iph->saddr ||
rth->fl.oif != ikeys[k] ||
- rth->fl.iif != 0 ||
+ rt_is_input_route(rth) ||
dst_metric_locked(&rth->dst, RTAX_MTU) ||
!net_eq(dev_net(rth->dst.dev), net) ||
rt_is_expired(rth))
@@ -1770,7 +1770,7 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
__be32 src;
struct fib_result res;
- if (rt->fl.iif == 0)
+ if (rt_is_output_route(rt))
src = rt->rt_src;
else {
rcu_read_lock();
@@ -2669,7 +2669,7 @@ int __ip_route_output_key(struct net *net, struct rtable **rp,
rth = rcu_dereference_bh(rth->dst.rt_next)) {
if (rth->fl.fl4_dst == flp->fl4_dst &&
rth->fl.fl4_src == flp->fl4_src &&
- rth->fl.iif == 0 &&
+ rt_is_output_route(rth) &&
rth->fl.oif == flp->oif &&
rth->fl.mark == flp->mark &&
!((rth->fl.fl4_tos ^ flp->fl4_tos) &
@@ -2824,7 +2824,7 @@ static int rt_fill_info(struct net *net,
if (rt->dst.tclassid)
NLA_PUT_U32(skb, RTA_FLOW, rt->dst.tclassid);
#endif
- if (rt->fl.iif)
+ 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)
NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_src);
@@ -2849,7 +2849,7 @@ static int rt_fill_info(struct net *net,
}
}
- if (rt->fl.iif) {
+ if (rt_is_input_route(rt)) {
#ifdef CONFIG_IP_MROUTE
__be32 dst = rt->rt_dst;
generated by cgit v1.1 at 2024-12-26 07:08:26 +0000