net: add dev_txq_stats_fold() helper
Some drivers ndo_get_stats() method need to perform txqueue stats folding.
Move folding from dev_get_stats() to a new dev_txq_stats_fold() function
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7043f85..c8fa462 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1941,6 +1941,7 @@
extern void dev_load(struct net *net, const char *name);
extern void dev_mcast_init(void);
extern const struct net_device_stats *dev_get_stats(struct net_device *dev);
+extern void dev_txq_stats_fold(const struct net_device *dev, struct net_device_stats *stats);
extern int netdev_max_backlog;
extern int weight_p;