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path: root/drivers/net/dummy.c
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Diffstat (limited to 'drivers/net/dummy.c')
-rw-r--r--drivers/net/dummy.c54
1 files changed, 28 insertions, 26 deletions
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index ff2d29b1785..0932ffbf381 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -40,17 +40,6 @@
static int numdummies = 1;
-static int dummy_set_address(struct net_device *dev, void *p)
-{
- struct sockaddr *sa = p;
-
- if (!is_valid_ether_addr(sa->sa_data))
- return -EADDRNOTAVAIL;
-
- memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN);
- return 0;
-}
-
/* fake multicast ability */
static void set_multicast_list(struct net_device *dev)
{
@@ -74,10 +63,10 @@ static struct rtnl_link_stats64 *dummy_get_stats64(struct net_device *dev,
dstats = per_cpu_ptr(dev->dstats, i);
do {
- start = u64_stats_fetch_begin(&dstats->syncp);
+ start = u64_stats_fetch_begin_irq(&dstats->syncp);
tbytes = dstats->tx_bytes;
tpackets = dstats->tx_packets;
- } while (u64_stats_fetch_retry(&dstats->syncp, start));
+ } while (u64_stats_fetch_retry_irq(&dstats->syncp, start));
stats->tx_bytes += tbytes;
stats->tx_packets += tpackets;
}
@@ -99,26 +88,36 @@ static netdev_tx_t dummy_xmit(struct sk_buff *skb, struct net_device *dev)
static int dummy_dev_init(struct net_device *dev)
{
- dev->dstats = alloc_percpu(struct pcpu_dstats);
+ dev->dstats = netdev_alloc_pcpu_stats(struct pcpu_dstats);
if (!dev->dstats)
return -ENOMEM;
return 0;
}
-static void dummy_dev_free(struct net_device *dev)
+static void dummy_dev_uninit(struct net_device *dev)
{
free_percpu(dev->dstats);
- free_netdev(dev);
+}
+
+static int dummy_change_carrier(struct net_device *dev, bool new_carrier)
+{
+ if (new_carrier)
+ netif_carrier_on(dev);
+ else
+ netif_carrier_off(dev);
+ return 0;
}
static const struct net_device_ops dummy_netdev_ops = {
.ndo_init = dummy_dev_init,
+ .ndo_uninit = dummy_dev_uninit,
.ndo_start_xmit = dummy_xmit,
.ndo_validate_addr = eth_validate_addr,
- .ndo_set_multicast_list = set_multicast_list,
- .ndo_set_mac_address = dummy_set_address,
+ .ndo_set_rx_mode = set_multicast_list,
+ .ndo_set_mac_address = eth_mac_addr,
.ndo_get_stats64 = dummy_get_stats64,
+ .ndo_change_carrier = dummy_change_carrier,
};
static void dummy_setup(struct net_device *dev)
@@ -127,15 +126,16 @@ static void dummy_setup(struct net_device *dev)
/* Initialize the device structure. */
dev->netdev_ops = &dummy_netdev_ops;
- dev->destructor = dummy_dev_free;
+ dev->destructor = free_netdev;
/* Fill in device structure with ethernet-generic values. */
dev->tx_queue_len = 0;
dev->flags |= IFF_NOARP;
dev->flags &= ~IFF_MULTICAST;
+ dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
dev->features |= NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO;
- dev->features |= NETIF_F_NO_CSUM | NETIF_F_HIGHDMA | NETIF_F_LLTX;
- random_ether_addr(dev->dev_addr);
+ dev->features |= NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_LLTX;
+ eth_hw_addr_random(dev);
}
static int dummy_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -168,10 +168,6 @@ static int __init dummy_init_one(void)
if (!dev_dummy)
return -ENOMEM;
- err = dev_alloc_name(dev_dummy, dev_dummy->name);
- if (err < 0)
- goto err;
-
dev_dummy->rtnl_link_ops = &dummy_link_ops;
err = register_netdevice(dev_dummy);
if (err < 0)
@@ -189,11 +185,17 @@ static int __init dummy_init_module(void)
rtnl_lock();
err = __rtnl_link_register(&dummy_link_ops);
+ if (err < 0)
+ goto out;
- for (i = 0; i < numdummies && !err; i++)
+ for (i = 0; i < numdummies && !err; i++) {
err = dummy_init_one();
+ cond_resched();
+ }
if (err < 0)
__rtnl_link_unregister(&dummy_link_ops);
+
+out:
rtnl_unlock();
return err;