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net: dsa: microchip: ksz9477: export HW stats over stats64 interface

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Provide access to HW offloaded packets over stats64 interface.
The rx/tx_bytes values needed some fixing since HW is accounting size of
the Ethernet frame together with FCS.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oleksij Rempel
2022-02-19 09:26:30 +01:00
committed by David S. Miller
parent 0d0350c471
commit a7f4f13a0a
3 changed files with 104 additions and 0 deletions
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3
drivers/net/dsa/microchip/ksz_common.h
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@@ -22,6 +22,8 @@ struct ksz_port_mib {
struct mutex cnt_mutex; /* structure access */
u8 cnt_ptr;
u64 *counters;
struct rtnl_link_stats64 stats64;
struct spinlock stats64_lock;
};
struct ksz_port {
@@ -128,6 +130,7 @@ struct ksz_dev_ops {
u64 *cnt);
void (*r_mib_pkt)(struct ksz_device *dev, int port, u16 addr,
u64 *dropped, u64 *cnt);
void (*r_mib_stat64)(struct ksz_device *dev, int port);
void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
void (*port_init_cnt)(struct ksz_device *dev, int port);
int (*shutdown)(struct ksz_device *dev);