X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Froute.c;h=a21021bf1409179e59d0be454df4f51e3e347c4e;hb=8dbde28d9711475adfe0e9c88505e38743cdc2a7;hp=d3377069ce05bcdcf2a2a69a1963b6fc7f25b03c;hpb=88fb61e4ba263685a0d5b82c7e9cd6f22a9e6a9d;p=linux-2.6

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d3377069ce..a21021bf14 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -92,6 +92,7 @@
 #include <linux/jhash.h>
 #include <linux/rcupdate.h>
 #include <linux/times.h>
+#include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
 #include <net/ip.h>
@@ -165,6 +166,7 @@ static struct dst_ops ipv4_dst_ops = {
 	.negative_advice =	ipv4_negative_advice,
 	.link_failure =		ipv4_link_failure,
 	.update_pmtu =		ip_rt_update_pmtu,
+	.local_out =		ip_local_out,
 	.entry_size =		sizeof(struct rtable),
 };
 
@@ -283,12 +285,12 @@ static struct rtable *rt_cache_get_first(struct seq_file *seq)
 			break;
 		rcu_read_unlock_bh();
 	}
-	return r;
+	return rcu_dereference(r);
 }
 
 static struct rtable *rt_cache_get_next(struct seq_file *seq, struct rtable *r)
 {
-	struct rt_cache_iter_state *st = rcu_dereference(seq->private);
+	struct rt_cache_iter_state *st = seq->private;
 
 	r = r->u.dst.rt_next;
 	while (!r) {
@@ -298,7 +300,7 @@ static struct rtable *rt_cache_get_next(struct seq_file *seq, struct rtable *r)
 		rcu_read_lock_bh();
 		r = rt_hash_table[st->bucket].chain;
 	}
-	return r;
+	return rcu_dereference(r);
 }
 
 static struct rtable *rt_cache_get_idx(struct seq_file *seq, loff_t pos)
@@ -2357,12 +2359,6 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
 };
 
 
-static int ipv4_blackhole_output(struct sk_buff *skb)
-{
-	kfree_skb(skb);
-	return 0;
-}
-
 static int ipv4_dst_blackhole(struct rtable **rp, struct flowi *flp, struct sock *sk)
 {
 	struct rtable *ort = *rp;
@@ -2374,8 +2370,8 @@ static int ipv4_dst_blackhole(struct rtable **rp, struct flowi *flp, struct sock
 
 		atomic_set(&new->__refcnt, 1);
 		new->__use = 1;
-		new->input = ipv4_blackhole_output;
-		new->output = ipv4_blackhole_output;
+		new->input = dst_discard;
+		new->output = dst_discard;
 		memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32));
 
 		new->dev = ort->u.dst.dev;
@@ -2862,12 +2858,10 @@ ctl_table ipv4_route_table[] = {
 #endif
 
 #ifdef CONFIG_NET_CLS_ROUTE
-struct ip_rt_acct *ip_rt_acct;
-
-/* This code sucks.  But you should have seen it before! --RR */
+struct ip_rt_acct *ip_rt_acct __read_mostly;
 
 /* IP route accounting ptr for this logical cpu number. */
-#define IP_RT_ACCT_CPU(i) (ip_rt_acct + i * 256)
+#define IP_RT_ACCT_CPU(cpu) (per_cpu_ptr(ip_rt_acct, cpu))
 
 #ifdef CONFIG_PROC_FS
 static int ip_rt_acct_read(char *buffer, char **start, off_t offset,
@@ -2927,16 +2921,9 @@ int __init ip_rt_init(void)
 			     (jiffies ^ (jiffies >> 7)));
 
 #ifdef CONFIG_NET_CLS_ROUTE
-	{
-	int order;
-	for (order = 0;
-	     (PAGE_SIZE << order) < 256 * sizeof(struct ip_rt_acct) * NR_CPUS; order++)
-		/* NOTHING */;
-	ip_rt_acct = (struct ip_rt_acct *)__get_free_pages(GFP_KERNEL, order);
+	ip_rt_acct = __alloc_percpu(256 * sizeof(struct ip_rt_acct));
 	if (!ip_rt_acct)
 		panic("IP: failed to allocate ip_rt_acct\n");
-	memset(ip_rt_acct, 0, PAGE_SIZE << order);
-	}
 #endif
 
 	ipv4_dst_ops.kmem_cachep =
@@ -2964,10 +2951,8 @@ int __init ip_rt_init(void)
 	devinet_init();
 	ip_fib_init();
 
-	init_timer(&rt_flush_timer);
-	rt_flush_timer.function = rt_run_flush;
-	init_timer(&rt_secret_timer);
-	rt_secret_timer.function = rt_secret_rebuild;
+	setup_timer(&rt_flush_timer, rt_run_flush, 0);
+	setup_timer(&rt_secret_timer, rt_secret_rebuild, 0);
 
 	/* All the timers, started at system startup tend
 	   to synchronize. Perturb it a bit.