Phonet: use net_device built-in stats for GPRS

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 20 deletions

diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index a4324075355f..e6e8e44852e5 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -41,7 +41,6 @@ struct gprs_dev {
         void                    (*old_write_space)(struct sock *);
 
         struct net_device       *net;
-        struct net_device_stats stats;
 
         struct sk_buff_head     tx_queue;
         struct work_struct      tx_work;
@@ -83,6 +82,7 @@ static void gprs_state_change(struct sock *sk)
 
 static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
 {
+        struct net_device *net = dev->net;
         int err = 0;
         __be16 protocol = gprs_type_trans(skb);
 
@@ -99,7 +99,7 @@ static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
                  * so wrap the IP packet as a single fragment of an head-less
                  * socket buffer. The network stack will pull what it needs,
                  * but at least, the whole IP payload is not memcpy'd. */
-                rskb = netdev_alloc_skb(dev->net, 0);
+                rskb = netdev_alloc_skb(net, 0);
                 if (!rskb) {
                         err = -ENOBUFS;
                         goto drop;
@@ -123,11 +123,11 @@ static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
 
         skb->protocol = protocol;
         skb_reset_mac_header(skb);
-        skb->dev = dev->net;
+        skb->dev = net;
 
-        if (likely(dev->net->flags & IFF_UP)) {
-                dev->stats.rx_packets++;
-                dev->stats.rx_bytes += skb->len;
+        if (likely(net->flags & IFF_UP)) {
+                net->stats.rx_packets++;
+                net->stats.rx_bytes += skb->len;
                 netif_rx(skb);
                 skb = NULL;
         } else
@@ -136,7 +136,7 @@ static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
 drop:
         if (skb) {
                 dev_kfree_skb(skb);
-                dev->stats.rx_dropped++;
+                net->stats.rx_dropped++;
         }
         return err;
 }
@@ -199,14 +199,15 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *net)
 static void gprs_tx(struct work_struct *work)
 {
         struct gprs_dev *dev = container_of(work, struct gprs_dev, tx_work);
+        struct net_device *net = dev->net;
         struct sock *sk = dev->sk;
         struct sk_buff *skb;
 
         while ((skb = skb_dequeue(&dev->tx_queue)) != NULL) {
                 int err;
 
-                dev->stats.tx_bytes += skb->len;
-                dev->stats.tx_packets++;
+                net->stats.tx_bytes += skb->len;
+                net->stats.tx_packets++;
 
                 skb_orphan(skb);
                 skb_set_owner_w(skb, sk);
@@ -215,9 +216,9 @@ static void gprs_tx(struct work_struct *work)
                 err = pep_write(sk, skb);
                 if (err) {
                         LIMIT_NETDEBUG(KERN_WARNING"%s: TX error (%d)\n",
-                                        dev->net->name, err);
-                        dev->stats.tx_aborted_errors++;
-                        dev->stats.tx_errors++;
+                                        net->name, err);
+                        net->stats.tx_aborted_errors++;
+                        net->stats.tx_errors++;
                 }
                 release_sock(sk);
         }
@@ -236,13 +237,6 @@ static int gprs_set_mtu(struct net_device *net, int new_mtu)
         return 0;
 }
 
-static struct net_device_stats *gprs_get_stats(struct net_device *net)
-{
-        struct gprs_dev *dev = netdev_priv(net);
-
-        return &dev->stats;
-}
-
 static void gprs_setup(struct net_device *net)
 {
         net->features           = NETIF_F_FRAGLIST;
@@ -256,7 +250,6 @@ static void gprs_setup(struct net_device *net)
         net->destructor         = free_netdev;
         net->hard_start_xmit    = gprs_xmit; /* mandatory */
         net->change_mtu         = gprs_set_mtu;
-        net->get_stats          = gprs_get_stats;
 }
 
 /*