summaryrefslogtreecommitdiff
path: root/net/phonet/pn_dev.c
diff options
context:
space:
mode:
authorRémi Denis-Courmont <remi.denis-courmont@nokia.com>2009-10-14 00:48:29 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-14 15:04:17 -0700
commitf062f41d06575744b9eaf725eef8a5d3b5f5b7ca (patch)
tree1ee1c966a2810c1f2a7274a51dba0387861efc68 /net/phonet/pn_dev.c
parent55748ac0468134a89bc55aed6a9691e320caa8a9 (diff)
Phonet: routing table Netlink interface
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/phonet/pn_dev.c')
-rw-r--r--net/phonet/pn_dev.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 71fffa587783..6d64fda1afc9 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -240,6 +240,27 @@ static int phonet_device_autoconf(struct net_device *dev)
return 0;
}
+static void phonet_route_autodel(struct net_device *dev)
+{
+ struct phonet_net *pnn = net_generic(dev_net(dev), phonet_net_id);
+ unsigned i;
+ DECLARE_BITMAP(deleted, 64);
+
+ /* Remove left-over Phonet routes */
+ bitmap_zero(deleted, 64);
+ spin_lock_bh(&pnn->routes.lock);
+ for (i = 0; i < 64; i++)
+ if (dev == pnn->routes.table[i]) {
+ set_bit(i, deleted);
+ pnn->routes.table[i] = NULL;
+ dev_put(dev);
+ }
+ spin_unlock_bh(&pnn->routes.lock);
+ for (i = find_first_bit(deleted, 64); i < 64;
+ i = find_next_bit(deleted, 64, i + 1))
+ rtm_phonet_notify(RTM_DELROUTE, dev, i);
+}
+
/* notify Phonet of device events */
static int phonet_device_notify(struct notifier_block *me, unsigned long what,
void *arg)
@@ -253,6 +274,7 @@ static int phonet_device_notify(struct notifier_block *me, unsigned long what,
break;
case NETDEV_UNREGISTER:
phonet_device_destroy(dev);
+ phonet_route_autodel(dev);
break;
}
return 0;
@@ -287,10 +309,19 @@ static void phonet_exit_net(struct net *net)
{
struct phonet_net *pnn = net_generic(net, phonet_net_id);
struct net_device *dev;
+ unsigned i;
rtnl_lock();
for_each_netdev(net, dev)
phonet_device_destroy(dev);
+
+ for (i = 0; i < 64; i++) {
+ dev = pnn->routes.table[i];
+ if (dev) {
+ rtm_phonet_notify(RTM_DELROUTE, dev, i);
+ dev_put(dev);
+ }
+ }
rtnl_unlock();
proc_net_remove(net, "phonet");