net: thunderx: Support to configure queue sizes from ethtool

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Adds support to set Rx/Tx queue sizes from ethtool. Fixes
an issue with retrieving queue size. Also sets SQ's CQ_LIMIT
based on configured Tx queue size such that HW doesn't process
SQEs when there is no sufficient space in CQ.

Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Sunil Goutham 2017-01-25 17:36:23 +05:30 • committed by David S. Miller

parent 3979ad7e82

commit fff4ffdde1

3 changed files with 65 additions and 9 deletions

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39

drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c

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19

drivers/net/ethernet/cavium/thunder/nicvf_queues.c

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16

drivers/net/ethernet/cavium/thunder/nicvf_queues.h

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