net: dsa: microchip: add MIB counter reading support

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Add background MIB counter reading support.

Port MIB counters should only be read when there is link.  Otherwise it is
a waste of time as hardware never increases those counters.  There are
exceptions as some switches keep track of dropped counts no matter what.

Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Tristram Ha 2019-02-22 16:36:48 -08:00 • committed by David S. Miller

parent 42fc6a4c61

commit 7c6ff470aa

4 changed files with 205 additions and 48 deletions

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123

drivers/net/dsa/microchip/ksz9477.c

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103

drivers/net/dsa/microchip/ksz_common.c

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18

drivers/net/dsa/microchip/ksz_common.h

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9

drivers/net/dsa/microchip/ksz_priv.h

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