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sfxge(4): improve PCIe link speed and width check
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Authored by arybchik on May 14 2016, 6:31 AM.
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Details

Summary

Perform a more accurate check of whether the PCIe bandwidth is
sufficient for the current/supported port modes.

Give a different warning if there is sufficient bandwidth to achieve
line rate, but the link is not fast enough for optimal latency.

Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 1 week

Test Plan

Build sanity checked. Driver loaded.

Diff Detail

Repository
rS FreeBSD src repository - subversion
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Event Timeline

arybchik retitled this revision from to sfxge(4): improve PCIe link speed and width check.
arybchik updated this object.
arybchik edited the test plan for this revision. (Show Details)
arybchik added reviewers: gnn, philip, np, bz.
This revision was automatically updated to reflect the committed changes.