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cxgbe(4): Add a hw.cxgbe.starve_fl sysctl that can be used to starve the

Description

cxgbe(4): Add a hw.cxgbe.starve_fl sysctl that can be used to starve the
freelists of netmap receive queues. This is primarily to test various
congestion scenarios in the chip.

Sponsored by: Chelsio Communications

Details

Provenance
npAuthored on
Parents
rS335242: Since 'ticks' is an int, it may wrap around and cr_ticks at a certain
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