K 10
svn:author
V 8
arybchik
K 8
svn:date
V 27
2016-05-16T06:38:51.261773Z
K 7
svn:log
V 485
sfxge(4): improve PCIe link speed and width check

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
Differential Revision:  https://reviews.freebsd.org/D6369

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