#include <linux/netdevice.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
+#include <linux/workqueue.h>
#include <linux/skbuff.h>
#include <linux/inetdevice.h>
#include <linux/igmp.h>
#include <linux/jhash.h>
#include <linux/rcupdate.h>
#include <linux/times.h>
+#include <net/net_namespace.h>
#include <net/protocol.h>
#include <net/ip.h>
#include <net/route.h>
#define RTprint(a...) printk(KERN_DEBUG a)
static struct timer_list rt_flush_timer;
-static struct timer_list rt_periodic_timer;
+static void rt_check_expire(struct work_struct *work);
+static DECLARE_DELAYED_WORK(expires_work, rt_check_expire);
static struct timer_list rt_secret_timer;
/*
static struct rt_hash_bucket *rt_hash_table;
static unsigned rt_hash_mask;
-static int rt_hash_log;
+static unsigned int rt_hash_log;
static unsigned int rt_hash_rnd;
static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
{
struct seq_file *seq;
int rc = -ENOMEM;
- struct rt_cache_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+ struct rt_cache_iter_state *s;
+ s = kzalloc(sizeof(*s), GFP_KERNEL);
if (!s)
goto out;
rc = seq_open(file, &rt_cache_seq_ops);
goto out_kfree;
seq = file->private_data;
seq->private = s;
- memset(s, 0, sizeof(*s));
out:
return rc;
out_kfree:
(fl1->iif ^ fl2->iif)) == 0;
}
-/* This runs via a timer and thus is always in BH context. */
-static void rt_check_expire(unsigned long dummy)
+static void rt_check_expire(struct work_struct *work)
{
static unsigned int rover;
unsigned int i = rover, goal;
struct rtable *rth, **rthp;
- unsigned long now = jiffies;
u64 mult;
mult = ((u64)ip_rt_gc_interval) << rt_hash_log;
if (ip_rt_gc_timeout > 1)
do_div(mult, ip_rt_gc_timeout);
goal = (unsigned int)mult;
- if (goal > rt_hash_mask) goal = rt_hash_mask + 1;
+ if (goal > rt_hash_mask)
+ goal = rt_hash_mask + 1;
for (; goal > 0; goal--) {
unsigned long tmo = ip_rt_gc_timeout;
i = (i + 1) & rt_hash_mask;
rthp = &rt_hash_table[i].chain;
- if (*rthp == 0)
+ if (*rthp == NULL)
continue;
- spin_lock(rt_hash_lock_addr(i));
+ spin_lock_bh(rt_hash_lock_addr(i));
while ((rth = *rthp) != NULL) {
if (rth->u.dst.expires) {
/* Entry is expired even if it is in use */
- if (time_before_eq(now, rth->u.dst.expires)) {
+ if (time_before_eq(jiffies, rth->u.dst.expires)) {
tmo >>= 1;
rthp = &rth->u.dst.rt_next;
continue;
*rthp = rth->u.dst.rt_next;
rt_free(rth);
}
- spin_unlock(rt_hash_lock_addr(i));
-
- /* Fallback loop breaker. */
- if (time_after(jiffies, now))
- break;
+ spin_unlock_bh(rt_hash_lock_addr(i));
}
rover = i;
- mod_timer(&rt_periodic_timer, jiffies + ip_rt_gc_interval);
+ schedule_delayed_work(&expires_work, ip_rt_gc_interval);
}
/* This can run from both BH and non-BH contexts, the latter
{
struct rtable *rt = (struct rtable *) dst;
struct in_device *idev = rt->idev;
- if (dev != &loopback_dev && idev && idev->dev == dev) {
- struct in_device *loopback_idev = in_dev_get(&loopback_dev);
+ if (dev != init_net.loopback_dev && idev && idev->dev == dev) {
+ struct in_device *loopback_idev = in_dev_get(init_net.loopback_dev);
if (loopback_idev) {
rt->idev = loopback_idev;
in_dev_put(idev);
#endif
rth->rt_iif =
rth->fl.iif = dev->ifindex;
- rth->u.dst.dev = &loopback_dev;
+ rth->u.dst.dev = init_net.loopback_dev;
dev_hold(rth->u.dst.dev);
rth->idev = in_dev_get(rth->u.dst.dev);
rth->fl.oif = 0;
if (res.type == RTN_LOCAL) {
int result;
result = fib_validate_source(saddr, daddr, tos,
- loopback_dev.ifindex,
+ init_net.loopback_dev->ifindex,
dev, &spec_dst, &itag);
if (result < 0)
goto martian_source;
#endif
rth->rt_iif =
rth->fl.iif = dev->ifindex;
- rth->u.dst.dev = &loopback_dev;
+ rth->u.dst.dev = init_net.loopback_dev;
dev_hold(rth->u.dst.dev);
rth->idev = in_dev_get(rth->u.dst.dev);
rth->rt_gateway = daddr;
RT_SCOPE_UNIVERSE),
} },
.mark = oldflp->mark,
- .iif = loopback_dev.ifindex,
+ .iif = init_net.loopback_dev->ifindex,
.oif = oldflp->oif };
struct fib_result res;
unsigned flags = 0;
if (oldflp->oif) {
- dev_out = dev_get_by_index(oldflp->oif);
+ dev_out = dev_get_by_index(&init_net, oldflp->oif);
err = -ENODEV;
if (dev_out == NULL)
goto out;
fl.fl4_dst = fl.fl4_src = htonl(INADDR_LOOPBACK);
if (dev_out)
dev_put(dev_out);
- dev_out = &loopback_dev;
+ dev_out = init_net.loopback_dev;
dev_hold(dev_out);
- fl.oif = loopback_dev.ifindex;
+ fl.oif = init_net.loopback_dev->ifindex;
res.type = RTN_LOCAL;
flags |= RTCF_LOCAL;
goto make_route;
fl.fl4_src = fl.fl4_dst;
if (dev_out)
dev_put(dev_out);
- dev_out = &loopback_dev;
+ dev_out = init_net.loopback_dev;
dev_hold(dev_out);
fl.oif = dev_out->ifindex;
if (res.fi)
if (iif) {
struct net_device *dev;
- dev = __dev_get_by_index(iif);
+ dev = __dev_get_by_index(&init_net, iif);
if (dev == NULL) {
err = -ENODEV;
goto errout_free;
ipv4_dst_ops.kmem_cachep =
kmem_cache_create("ip_dst_cache", sizeof(struct rtable), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
ipv4_dst_blackhole_ops.kmem_cachep = ipv4_dst_ops.kmem_cachep;
init_timer(&rt_flush_timer);
rt_flush_timer.function = rt_run_flush;
- init_timer(&rt_periodic_timer);
- rt_periodic_timer.function = rt_check_expire;
init_timer(&rt_secret_timer);
rt_secret_timer.function = rt_secret_rebuild;
/* All the timers, started at system startup tend
to synchronize. Perturb it a bit.
*/
- rt_periodic_timer.expires = jiffies + net_random() % ip_rt_gc_interval +
- ip_rt_gc_interval;
- add_timer(&rt_periodic_timer);
+ schedule_delayed_work(&expires_work,
+ net_random() % ip_rt_gc_interval + ip_rt_gc_interval);
rt_secret_timer.expires = jiffies + net_random() % ip_rt_secret_interval +
ip_rt_secret_interval;
#ifdef CONFIG_PROC_FS
{
struct proc_dir_entry *rtstat_pde = NULL; /* keep gcc happy */
- if (!proc_net_fops_create("rt_cache", S_IRUGO, &rt_cache_seq_fops) ||
+ if (!proc_net_fops_create(&init_net, "rt_cache", S_IRUGO, &rt_cache_seq_fops) ||
!(rtstat_pde = create_proc_entry("rt_cache", S_IRUGO,
- proc_net_stat))) {
+ init_net.proc_net_stat))) {
return -ENOMEM;
}
rtstat_pde->proc_fops = &rt_cpu_seq_fops;
}
#ifdef CONFIG_NET_CLS_ROUTE
- create_proc_read_entry("rt_acct", 0, proc_net, ip_rt_acct_read, NULL);
+ create_proc_read_entry("rt_acct", 0, init_net.proc_net, ip_rt_acct_read, NULL);
#endif
#endif
#ifdef CONFIG_XFRM
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff