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net: phy: broadcom: Add support code for reading PHY counters

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Broadcom PHYs expose a number of PHY error counters: receive errors,
false carrier sense, SerDes BER count, local and remote receive errors.
Add support code to allow retrieving these error counters. Since the
Broadcom PHY library code is used by several drivers, make it possible
for them to specify the storage for the software copy of the statistics.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2016-11-29 09:57:17 -08:00
committed by David S. Miller
parent 5a6681e22c
commit 820ee17b8d
3 changed files with 78 additions and 0 deletions
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include/linux/brcmphy.h
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@@ -244,6 +244,9 @@
#define LPI_FEATURE_EN_DIG1000X 0x4000
/* Core register definitions*/
#define MII_BRCM_CORE_BASE12 0x12
#define MII_BRCM_CORE_BASE13 0x13
#define MII_BRCM_CORE_BASE14 0x14
#define MII_BRCM_CORE_BASE1E 0x1E
#define MII_BRCM_CORE_EXPB0 0xB0
#define MII_BRCM_CORE_EXPB1 0xB1