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-rw-r--r--include/linux/netdevice.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 440a02e..430c51a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1726,6 +1726,20 @@ struct pcpu_sw_netstats {
struct u64_stats_sync syncp;
};
+#define netdev_alloc_pcpu_stats(type) \
+({ \
+ typeof(type) *pcpu_stats = alloc_percpu(type); \
+ if (pcpu_stats) { \
+ int i; \
+ for_each_possible_cpu(i) { \
+ typeof(type) *stat; \
+ stat = per_cpu_ptr(pcpu_stats, i); \
+ u64_stats_init(&stat->syncp); \
+ } \
+ } \
+ pcpu_stats; \
+})
+
#include <linux/notifier.h>
/* netdevice notifier chain. Please remember to update the rtnetlink
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