aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRémi Denis-Courmont <remi.denis-courmont@nokia.com>2008-12-15 00:53:57 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-15 00:53:57 -0800
commit4798a2b84ea5a98e4f36a815a646cb48ff521684 (patch)
tree353906b8ef910b62ef3ba9c6bc2d71a5db3bc974
parenteb9b851b980e20ba5f6bdfd6ec24f4bc77623ce6 (diff)
downloadlinux-stericsson-4798a2b84ea5a98e4f36a815a646cb48ff521684.tar.gz
Phonet: keep TX queue disabled when the device is off
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/phonet/pep-gprs.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 9978afbd9f2a..803eeef0aa85 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -155,12 +155,13 @@ static void gprs_data_ready(struct sock *sk, int len)
static void gprs_write_space(struct sock *sk)
{
struct gprs_dev *dev = sk->sk_user_data;
+ struct net_device *net = dev->net;
unsigned credits = pep_writeable(sk);
spin_lock_bh(&dev->tx_lock);
dev->tx_max = credits;
- if (credits > skb_queue_len(&dev->tx_queue))
- netif_wake_queue(dev->net);
+ if (credits > skb_queue_len(&dev->tx_queue) && netif_running(net))
+ netif_wake_queue(net);
spin_unlock_bh(&dev->tx_lock);
}
@@ -168,6 +169,23 @@ static void gprs_write_space(struct sock *sk)
* Network device callbacks
*/
+static int gprs_open(struct net_device *dev)
+{
+ struct gprs_dev *gp = netdev_priv(dev);
+
+ gprs_write_space(gp->sk);
+ return 0;
+}
+
+static int gprs_close(struct net_device *dev)
+{
+ struct gprs_dev *gp = netdev_priv(dev);
+
+ netif_stop_queue(dev);
+ flush_work(&gp->tx_work);
+ return 0;
+}
+
static int gprs_xmit(struct sk_buff *skb, struct net_device *net)
{
struct gprs_dev *dev = netdev_priv(net);
@@ -254,6 +272,8 @@ static void gprs_setup(struct net_device *net)
net->tx_queue_len = 10;
net->destructor = free_netdev;
+ net->open = gprs_open;
+ net->stop = gprs_close;
net->hard_start_xmit = gprs_xmit; /* mandatory */
net->change_mtu = gprs_set_mtu;
net->get_stats = gprs_get_stats;
@@ -318,7 +338,6 @@ int gprs_attach(struct sock *sk)
dev->sk = sk;
printk(KERN_DEBUG"%s: attached\n", net->name);
- gprs_write_space(sk); /* kick off TX */
return net->ifindex;
out_rel:
@@ -341,7 +360,5 @@ void gprs_detach(struct sock *sk)
printk(KERN_DEBUG"%s: detached\n", net->name);
unregister_netdev(net);
- flush_scheduled_work();
sock_put(sk);
- skb_queue_purge(&dev->tx_queue);
}