git: 7a4522d629 - main - Status/2023Q3/dpaa2.adoc: Add report

The branch main has been updated by salvadore:

URL: https://cgit.FreeBSD.org/doc/commit/?id=7a4522d6295fddc50799a4e93864d0c8baf22f6e

commit 7a4522d6295fddc50799a4e93864d0c8baf22f6e
Author:     Dmitry Salychev <dsl@FreeBSD.org>
AuthorDate: 2023-10-02 08:31:52 +0000
Commit:     Lorenzo Salvadore <salvadore@FreeBSD.org>
CommitDate: 2023-10-02 08:31:52 +0000

    Status/2023Q3/dpaa2.adoc: Add report
    
    Reviewed by:    Graham Perrin <grahamperrin@gmail.com>
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+=== NXP DPAA2 support
+
+Links: +
+link:https://cgit.freebsd.org/src/tree/sys/dev/dpaa2[DPAA2 in the FreeBSD source tree] URL: link:https://cgit.freebsd.org/src/tree/sys/dev/dpaa2[] +
+link:https://github.com/mcusim/freebsd-src[DPAA2 on Github] URL: link:https://github.com/mcusim/freebsd-src[]
+
+Contact: Dmitry Salychev <dsl@FreeBSD.org> +
+Contact: Bjoern A. Zeeb <bz@FreeBSD.org>
+
+==== What is DPAA2?
+
+DPAA2 is a hardware-level networking architecture found in some NXP SoCs which contains hardware blocks including Management Complex (MC, a command interface to manipulate DPAA2 objects), Wire Rate I/O processor (WRIOP, packets distribution, queuing, drop decisions), Queues and Buffers Manager (QBMan, Rx/Tx queues control, Rx buffer pools) and others.
+The Management Complex runs NXP-supplied firmware which provides DPAA2 objects as an abstraction layer over those blocks to simplify access to the underlying hardware.
+
+==== Changes from the previous report
+
+* Isolation between DPAA2 channels link:https://cgit.freebsd.org/src/commit/?id=58983e4b0253ad38a3e1ef2166fedd3133fdb552[improved].
+* Panic under heavy network load link:https://github.com/mcusim/freebsd-src/issues/19[fixed].
+* FDT/ACPI MDIO support.
+* NFS root mount link:https://github.com/mcusim/freebsd-src/issues/7[do not hang] on netboot over DPAA2 anymore.
+* Drivers link:https://github.com/mcusim/freebsd-src/issues/2[started] to communicate with MC via their own command portals (DPMCP).
+* link:https://github.com/mcusim/freebsd-src/issues?q=is%3Aissue+is%3Aclosed[List of all closed issues].
+
+==== Work in Progress
+
+Work on link:https://cgit.freebsd.org/src/commit/?id=2a9021898c4ee2154787da862c238cfeccd655df[dev/sff] started to support SFF/SFP modules in order to test DPAA2 drivers on links above 1 Gbit/s.
+
+==== Plan
+
+* Heavy network load tests (2.5 Gbit/s, 10 Gbit/s) and bottlenecks mitigation.
+* Cached memory-backed software portals.
+* Driver resources de-allocation to unload dpaa2.ko properly.
+* Further parts (DPSW, DCE, etc.) supported by the hardware.
+
+Sponsor: Traverse Technologies (providing Ten64 HW for testing)