diff options
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r-- | net/ipv4/route.c | 67 |
1 files changed, 46 insertions, 21 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index aa13ef10511..a52bb74d261 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -108,6 +108,7 @@ #ifdef CONFIG_SYSCTL #include <linux/sysctl.h> #endif +#include <net/atmclip.h> #define RT_FL_TOS(oldflp4) \ ((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK))) @@ -425,9 +426,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) (int)((dst_metric(&r->dst, RTAX_RTT) >> 3) + dst_metric(&r->dst, RTAX_RTTVAR)), r->rt_key_tos, - r->dst.hh ? atomic_read(&r->dst.hh->hh_refcnt) : -1, - r->dst.hh ? (r->dst.hh->hh_output == - dev_queue_xmit) : 0, + -1, + (r->dst.neighbour ? + (r->dst.neighbour->hh.hh_output == + dev_queue_xmit) : 0), r->rt_spec_dst, &len); seq_printf(seq, "%*s\n", 127 - len, ""); @@ -1006,6 +1008,29 @@ static int slow_chain_length(const struct rtable *head) return length >> FRACT_BITS; } +static int rt_bind_neighbour(struct rtable *rt) +{ + static const __be32 inaddr_any = 0; + struct net_device *dev = rt->dst.dev; + struct neigh_table *tbl = &arp_tbl; + const __be32 *nexthop; + struct neighbour *n; + +#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE) + if (dev->type == ARPHRD_ATM) + tbl = clip_tbl_hook; +#endif + nexthop = &rt->rt_gateway; + if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT)) + nexthop = &inaddr_any; + n = ipv4_neigh_lookup(tbl, dev, nexthop); + if (IS_ERR(n)) + return PTR_ERR(n); + rt->dst.neighbour = n; + + return 0; +} + static struct rtable *rt_intern_hash(unsigned hash, struct rtable *rt, struct sk_buff *skb, int ifindex) { @@ -1042,7 +1067,7 @@ restart: rt->dst.flags |= DST_NOCACHE; if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) { - int err = arp_bind_neighbour(&rt->dst); + int err = rt_bind_neighbour(rt); if (err) { if (net_ratelimit()) printk(KERN_WARNING @@ -1138,7 +1163,7 @@ restart: route or unicast forwarding path. */ if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) { - int err = arp_bind_neighbour(&rt->dst); + int err = rt_bind_neighbour(rt); if (err) { spin_unlock_bh(rt_hash_lock_addr(hash)); @@ -1439,20 +1464,20 @@ static int ip_error(struct sk_buff *skb) int code; switch (rt->dst.error) { - case EINVAL: - default: - goto out; - case EHOSTUNREACH: - code = ICMP_HOST_UNREACH; - break; - case ENETUNREACH: - code = ICMP_NET_UNREACH; - IP_INC_STATS_BH(dev_net(rt->dst.dev), - IPSTATS_MIB_INNOROUTES); - break; - case EACCES: - code = ICMP_PKT_FILTERED; - break; + case EINVAL: + default: + goto out; + case EHOSTUNREACH: + code = ICMP_HOST_UNREACH; + break; + case ENETUNREACH: + code = ICMP_NET_UNREACH; + IP_INC_STATS_BH(dev_net(rt->dst.dev), + IPSTATS_MIB_INNOROUTES); + break; + case EACCES: + code = ICMP_PKT_FILTERED; + break; } if (!rt->peer) @@ -1599,7 +1624,7 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) rt->dst.neighbour = NULL; rt->rt_gateway = peer->redirect_learned.a4; - if (arp_bind_neighbour(&rt->dst) || + if (rt_bind_neighbour(rt) || !(rt->dst.neighbour->nud_state & NUD_VALID)) { if (rt->dst.neighbour) neigh_event_send(rt->dst.neighbour, NULL); @@ -3303,7 +3328,7 @@ int __init ip_rt_init(void) xfrm_init(); xfrm4_init(ip_rt_max_size); #endif - rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL); + rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL); #ifdef CONFIG_SYSCTL register_pernet_subsys(&sysctl_route_ops); |