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igb: add support for SGMII-based MDIO PHYs
[deliverable/linux.git]
/
drivers
/
net
/
loopback.c
diff --git
a/drivers/net/loopback.c
b/drivers/net/loopback.c
index 72b7949c91b15fab1f608302d5d8cc751245d1ba..9a0996795321b327353e7a6d28cf94a308876c01 100644
(file)
--- a/
drivers/net/loopback.c
+++ b/
drivers/net/loopback.c
@@
-58,11
+58,13
@@
#include <linux/tcp.h>
#include <linux/percpu.h>
#include <net/net_namespace.h>
#include <linux/tcp.h>
#include <linux/percpu.h>
#include <net/net_namespace.h>
+#include <linux/u64_stats_sync.h>
struct pcpu_lstats {
struct pcpu_lstats {
- unsigned long packets;
- unsigned long bytes;
- unsigned long drops;
+ u64 packets;
+ u64 bytes;
+ struct u64_stats_sync syncp;
+ unsigned long drops;
};
/*
};
/*
@@
-86,31
+88,40
@@
static netdev_tx_t loopback_xmit(struct sk_buff *skb,
len = skb->len;
if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
len = skb->len;
if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
+ u64_stats_update_begin(&lb_stats->syncp);
lb_stats->bytes += len;
lb_stats->packets++;
lb_stats->bytes += len;
lb_stats->packets++;
+ u64_stats_update_end(&lb_stats->syncp);
} else
lb_stats->drops++;
return NETDEV_TX_OK;
}
} else
lb_stats->drops++;
return NETDEV_TX_OK;
}
-static struct net_device_stats *loopback_get_stats(struct net_device *dev)
+static struct rtnl_link_stats64 *loopback_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *stats)
{
const struct pcpu_lstats __percpu *pcpu_lstats;
{
const struct pcpu_lstats __percpu *pcpu_lstats;
- struct net_device_stats *stats = &dev->stats;
- unsigned long bytes = 0;
- unsigned long packets = 0;
- unsigned long drops = 0;
+ u64 bytes = 0;
+ u64 packets = 0;
+ u64 drops = 0;
int i;
pcpu_lstats = (void __percpu __force *)dev->ml_priv;
for_each_possible_cpu(i) {
const struct pcpu_lstats *lb_stats;
int i;
pcpu_lstats = (void __percpu __force *)dev->ml_priv;
for_each_possible_cpu(i) {
const struct pcpu_lstats *lb_stats;
+ u64 tbytes, tpackets;
+ unsigned int start;
lb_stats = per_cpu_ptr(pcpu_lstats, i);
lb_stats = per_cpu_ptr(pcpu_lstats, i);
- bytes += lb_stats->bytes;
- packets += lb_stats->packets;
+ do {
+ start = u64_stats_fetch_begin(&lb_stats->syncp);
+ tbytes = lb_stats->bytes;
+ tpackets = lb_stats->packets;
+ } while (u64_stats_fetch_retry(&lb_stats->syncp, start));
drops += lb_stats->drops;
drops += lb_stats->drops;
+ bytes += tbytes;
+ packets += tpackets;
}
stats->rx_packets = packets;
stats->tx_packets = packets;
}
stats->rx_packets = packets;
stats->tx_packets = packets;
@@
-158,7
+169,7
@@
static void loopback_dev_free(struct net_device *dev)
static const struct net_device_ops loopback_ops = {
.ndo_init = loopback_dev_init,
.ndo_start_xmit= loopback_xmit,
static const struct net_device_ops loopback_ops = {
.ndo_init = loopback_dev_init,
.ndo_start_xmit= loopback_xmit,
- .ndo_get_stats
= loopback_get_stats
,
+ .ndo_get_stats
64 = loopback_get_stats64
,
};
/*
};
/*
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