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authorEric Dumazet <edumazet@google.com>2023-09-21 08:52:16 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-20 11:08:16 +0100
commit3eedc19a9d0f522350b7fbd3d50eeb0e9a2885b7 (patch)
treecf9372e8cf5f32c6ed3bf12392b80c7dab38152d /include/linux
parent359bce81b841a847dd7c91e041c732e29627b957 (diff)
net: add DEV_STATS_READ() helper
[ Upstream commit 0b068c714ca9479d2783cc333fff5bc2d4a6d45c ] Companion of DEV_STATS_INC() & DEV_STATS_ADD(). This is going to be used in the series. Use it in macsec_get_stats64(). Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Stable-dep-of: ff672b9ffeb3 ("ipvlan: properly track tx_errors") Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netdevice.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 132f4344fee9..829ebde5d50d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -5499,5 +5499,6 @@ extern struct net_device *blackhole_netdev;
#define DEV_STATS_INC(DEV, FIELD) atomic_long_inc(&(DEV)->stats.__##FIELD)
#define DEV_STATS_ADD(DEV, FIELD, VAL) \
atomic_long_add((VAL), &(DEV)->stats.__##FIELD)
+#define DEV_STATS_READ(DEV, FIELD) atomic_long_read(&(DEV)->stats.__##FIELD)
#endif /* _LINUX_NETDEVICE_H */