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OpenCloudOS-Kernel
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net: move definition of pcpu_lstats to header file 

pcpu_lstats is defined in several files, so unify them as one
and move to header file

Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Li RongQing 2018-09-14 16:00:51 +08:00 committed by David S. Miller
parent ee4fccbee7
commit 52bb6677d5
4 changed files with 10 additions and 22 deletions
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6
drivers/net/loopback.c
View File

@ -59,12 +59,6 @@
#include <net/net_namespace.h>
#include <linux/u64_stats_sync.h>
struct pcpu_lstats {
u64 packets;
u64 bytes;
struct u64_stats_sync syncp;
};
/* The higher levels take care of making this non-reentrant (it's
* called with bh's disabled).
*/

6
drivers/net/nlmon.c
View File

@ -6,12 +6,6 @@
#include <linux/if_arp.h>
#include <net/rtnetlink.h>
struct pcpu_lstats {
u64 packets;
u64 bytes;
struct u64_stats_sync syncp;
};
static netdev_tx_t nlmon_xmit(struct sk_buff *skb, struct net_device *dev)
{
int len = skb->len;

14
drivers/net/vsockmon.c
View File

@ -11,12 +11,6 @@
#define DEFAULT_MTU (VIRTIO_VSOCK_MAX_PKT_BUF_SIZE + \
sizeof(struct af_vsockmon_hdr))
struct pcpu_lstats {
u64 rx_packets;
u64 rx_bytes;
struct u64_stats_sync syncp;
};
static int vsockmon_dev_init(struct net_device *dev)
{
dev->lstats = netdev_alloc_pcpu_stats(struct pcpu_lstats);
@ -56,8 +50,8 @@ static netdev_tx_t vsockmon_xmit(struct sk_buff *skb, struct net_device *dev)
struct pcpu_lstats *stats = this_cpu_ptr(dev->lstats);
u64_stats_update_begin(&stats->syncp);
stats->rx_bytes += len;
stats->rx_packets++;
stats->bytes += len;
stats->packets++;
u64_stats_update_end(&stats->syncp);
dev_kfree_skb(skb);
@ -80,8 +74,8 @@ vsockmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
do {
start = u64_stats_fetch_begin_irq(&vstats->syncp);
tbytes = vstats->rx_bytes;
tpackets = vstats->rx_packets;
tbytes = vstats->bytes;
tpackets = vstats->packets;
} while (u64_stats_fetch_retry_irq(&vstats->syncp, start));
packets += tpackets;

6
include/linux/netdevice.h
View File

@ -2382,6 +2382,12 @@ struct pcpu_sw_netstats {
struct u64_stats_sync syncp;
};
struct pcpu_lstats {
u64 packets;
u64 bytes;
struct u64_stats_sync syncp;
};
#define __netdev_alloc_pcpu_stats(type, gfp) \
({ \
typeof(type) __percpu *pcpu_stats = alloc_percpu_gfp(type, gfp);\