liquidio: Per queue oom work queue

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Removed oom task unconditional rescheduling every 250ms and created per
queue oom work queue for refilling buffers.

The oom task refills only if the available descriptors is fallen to 64.
There will be no packets coming in after hitting this level. So NAPI will
not run until oom task refills the buffers.

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Intiyaz Basha 2018-09-09 23:34:21 -07:00 • committed by David S. Miller

parent fe2d22b172

commit 4b6e326b2d

6 changed files with 110 additions and 73 deletions

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75

drivers/net/ethernet/cavium/liquidio/lio_core.c

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7

drivers/net/ethernet/cavium/liquidio/lio_ethtool.c

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91

drivers/net/ethernet/cavium/liquidio/octeon_droq.c

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2

drivers/net/ethernet/cavium/liquidio/octeon_droq.h

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drivers/net/ethernet/cavium/liquidio/octeon_main.h

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drivers/net/ethernet/cavium/liquidio/octeon_network.h

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