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authorHeiner Kallweit <hkallweit1@gmail.com>2020-11-07 21:49:07 +0100
committerJakub Kicinski <kuba@kernel.org>2020-11-09 17:50:27 -0800
commita18394269fc87276963e8d965c730900178d7e4b (patch)
tree1610d113acba3c22d5039df654e98e8eafe63d36 /net/core/dev.c
parentca4d632aef031c7946c42a6eb873d24ab6474f17 (diff)
net: core: add dev_get_tstats64 as a ndo_get_stats64 implementation
It's a frequent pattern to use netdev->stats for the less frequently accessed counters and per-cpu counters for the frequently accessed counters (rx/tx bytes/packets). Add a default ndo_get_stats64() implementation for this use case. Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index bd6100da66f4..60d325bda0d7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10366,6 +10366,21 @@ void dev_fetch_sw_netstats(struct rtnl_link_stats64 *s,
}
EXPORT_SYMBOL_GPL(dev_fetch_sw_netstats);
+/**
+ * dev_get_tstats64 - ndo_get_stats64 implementation
+ * @dev: device to get statistics from
+ * @s: place to store stats
+ *
+ * Populate @s from dev->stats and dev->tstats. Can be used as
+ * ndo_get_stats64() callback.
+ */
+void dev_get_tstats64(struct net_device *dev, struct rtnl_link_stats64 *s)
+{
+ netdev_stats_to_stats64(s, &dev->stats);
+ dev_fetch_sw_netstats(s, dev->tstats);
+}
+EXPORT_SYMBOL_GPL(dev_get_tstats64);
+
struct netdev_queue *dev_ingress_queue_create(struct net_device *dev)
{
struct netdev_queue *queue = dev_ingress_queue(dev);