be2net: Fix to prevent flooding of TX queue

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Start/stop TX queue is controlled by TX queue "used" counter.
It is incremented while WRBs are posted to TX queue and
decremented when TX completions are received. This counter was
getting decremented before HW is informed about processing of TX
completions. As used counter is decremented, transmit function
posts new WRBs and creates completion queue full scenario in HW.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Padmanabh Ratnakar 2011-05-10 05:13:57 +00:00 • committed by David S. Miller

parent ecd0bf0f7b

commit 4d586b823a

1 changed files with 12 additions and 8 deletions

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20

drivers/net/benet/be_main.c

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