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vsockmon: use standard dev_lstats_add() and dev_lstats_read() 

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>
This commit is contained in:
Eric Dumazet 2019-11-07 16:27:18 -08:00 committed by David S. Miller
parent b4fba476dc
commit 4f77eb0941
1 changed files with 2 additions and 29 deletions
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31
drivers/net/vsockmon.c
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@ -47,13 +47,7 @@ static int vsockmon_close(struct net_device *dev)
static netdev_tx_t vsockmon_xmit(struct sk_buff *skb, struct net_device *dev)
{
int len = skb->len;
struct pcpu_lstats *stats = this_cpu_ptr(dev->lstats);
u64_stats_update_begin(&stats->syncp);
stats->bytes += len;
stats->packets++;
u64_stats_update_end(&stats->syncp);
dev_lstats_add(dev, skb->len);
dev_kfree_skb(skb);
@ -63,30 +57,9 @@ static netdev_tx_t vsockmon_xmit(struct sk_buff *skb, struct net_device *dev)
static void
vsockmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
int i;
u64 bytes = 0, packets = 0;
dev_lstats_read(dev, &stats->rx_packets, &stats->rx_bytes);
for_each_possible_cpu(i) {
const struct pcpu_lstats *vstats;
u64 tbytes, tpackets;
unsigned int start;
vstats = per_cpu_ptr(dev->lstats, i);
do {
start = u64_stats_fetch_begin_irq(&vstats->syncp);
tbytes = vstats->bytes;
tpackets = vstats->packets;
} while (u64_stats_fetch_retry_irq(&vstats->syncp, start));
packets += tpackets;
bytes += tbytes;
}
stats->rx_packets = packets;
stats->tx_packets = 0;
stats->rx_bytes = bytes;
stats->tx_bytes = 0;
}