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sfxge(4): provide simple access to RxQ state in EvQ

Authored by arybchik on Nov 21 2018, 11:22 AM.



Packed stream Rx datapath requires access to packed stream state
stored in event queue. Number of credits is upstead in event handler
on a new buffer, packets parsing on 64k boundary crossing and
Rx doorbell push to give credits back.

Sponsored by: Solarflare Communications, Inc.

Test Plan

amd64 tinderbox kernel builds tested
driver loaded/unloaded, interfaces up/down, traffic works fine

Diff Detail

rS FreeBSD src repository - subversion
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

This revision was not accepted when it landed; it landed in state Needs Review.Nov 23 2018, 11:39 AM
This revision was automatically updated to reflect the committed changes.