net: systemport: log RX buffer allocation and RX/TX DMA failures

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To help troubleshoot heavy memory pressure conditions, add a bunch of
statistics counter to log RX buffer allocation and RX/TX DMA mapping
failures. These are reported like any other counters through the ethtool
stats interface.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Florian Fainelli 2014-11-19 10:29:55 -08:00 • committed by David S. Miller

parent 9c7077622d

commit 60b4ea1781

2 changed files with 12 additions and 1 deletions

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10

drivers/net/ethernet/broadcom/bcmsysport.c

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3

drivers/net/ethernet/broadcom/bcmsysport.h

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