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Add readonly tunable net.iflib.tx_update_freq to set transmit descriptor update frequency
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Authored by neel_neelc.org on Wed, May 20, 10:25 PM.

Details

Reviewers
shurd
Group Reviewers
iflib
Summary

Introduce readonly tunable net.iflib.tx_update_freq to allow an user to set the network transmit descriptor update frequency. Previously, this was hardcoded at 16.

Submitted by: Neel Chauhan <neel AT neelc DOT org>

Test Plan

Add this to /boot/loader.conf:

net.iflib.tx_update_freq=32

Reboot to see if it works

Diff Detail

Repository
rS FreeBSD src repository
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Event Timeline

neel_neelc.org requested review of this revision.Wed, May 20, 10:25 PM