diff options
| author | Eric Dumazet <edumazet@google.com> | 2019-11-08 03:27:19 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-08 07:03:08 +0300 |
| commit | 4a43b1f96b1d94adcd296b2ff80d7294f82a9dc9 (patch) | |
| tree | 82b5f0fedc8d5d2dc121bb8d4703226efcede407 /drivers/net/dummy.c | |
| parent | 4f77eb0941d182e94b4f54d49cf9de2b19e0a317 (diff) | |
| download | linux-4a43b1f96b1d94adcd296b2ff80d7294f82a9dc9.tar.xz | |
net: dummy: use standard dev_lstats_add() and dev_lstats_read()
This driver can simply use the common infrastructure instead
of duplicating it.
This cleanup will ease u64_stats_t adoption in a single location.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dummy.c')
| -rw-r--r-- | drivers/net/dummy.c | 36 |
1 files changed, 5 insertions, 31 deletions
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c index 54e4d8b07f0e..3031a5fc5427 100644 --- a/drivers/net/dummy.c +++ b/drivers/net/dummy.c @@ -51,41 +51,15 @@ static void set_multicast_list(struct net_device *dev) { } -struct pcpu_dstats { - u64 tx_packets; - u64 tx_bytes; - struct u64_stats_sync syncp; -}; - static void dummy_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { - int i; - - for_each_possible_cpu(i) { - const struct pcpu_dstats *dstats; - u64 tbytes, tpackets; - unsigned int start; - - dstats = per_cpu_ptr(dev->dstats, i); - do { - start = u64_stats_fetch_begin_irq(&dstats->syncp); - tbytes = dstats->tx_bytes; - tpackets = dstats->tx_packets; - } while (u64_stats_fetch_retry_irq(&dstats->syncp, start)); - stats->tx_bytes += tbytes; - stats->tx_packets += tpackets; - } + dev_lstats_read(dev, &stats->tx_packets, &stats->tx_bytes); } static netdev_tx_t dummy_xmit(struct sk_buff *skb, struct net_device *dev) { - struct pcpu_dstats *dstats = this_cpu_ptr(dev->dstats); - - u64_stats_update_begin(&dstats->syncp); - dstats->tx_packets++; - dstats->tx_bytes += skb->len; - u64_stats_update_end(&dstats->syncp); + dev_lstats_add(dev, skb->len); skb_tx_timestamp(skb); dev_kfree_skb(skb); @@ -94,8 +68,8 @@ 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 = netdev_alloc_pcpu_stats(struct pcpu_dstats); - if (!dev->dstats) + dev->lstats = netdev_alloc_pcpu_stats(struct pcpu_lstats); + if (!dev->lstats) return -ENOMEM; return 0; @@ -103,7 +77,7 @@ static int dummy_dev_init(struct net_device *dev) static void dummy_dev_uninit(struct net_device *dev) { - free_percpu(dev->dstats); + free_percpu(dev->lstats); } static int dummy_change_carrier(struct net_device *dev, bool new_carrier) |