Re: [RFC PATCH v2 0/8] Adding the Sparx5 Switch Driver

Florian Fainelli
2020-12-21T04:56:38Z

On 12/16/2020 11:51 PM, Steen Hegelund wrote:
> This series provides the Microchip Sparx5 Switch Driver
>
> The Sparx5 Carrier Ethernet and Industrial switch family delivers 64
> Ethernet ports and up to 200 Gbps of switching bandwidth.
>
> It provides a rich set of Ethernet switching features such as hierarchical
> QoS, hardware-based OAM and service activation testing, protection
> switching, IEEE 1588, and Synchronous Ethernet.
>
> Using provider bridging (Q-in-Q) and MPLS/MPLS-TP technology, it delivers
> MEF CE
> 2.0 Ethernet virtual connections (EVCs) and features advanced TCAM
> classification in both ingress and egress.
>
> Per-EVC features include advanced L3-aware classification, a rich set of
> statistics, OAM for end-to-end performance monitoring, and dual-rate
> policing and shaping.
>
> Time sensitive networking (TSN) is supported through a comprehensive set of
> features including frame preemption, cut-through, frame replication and
> elimination for reliability, enhanced scheduling: credit-based shaping,
> time-aware shaping, cyclic queuing, and forwarding, and per-stream policing
> and filtering.
>
> Together with IEEE 1588 and IEEE 802.1AS support, this guarantees
> low-latency deterministic networking for Fronthaul, Carrier, and Industrial
> Ethernet.
>
> The Sparx5 switch family consists of following SKUs:
>
> - VSC7546 Sparx5-64 up to 64 Gbps of bandwidth with the following primary
> port configurations:
> - 6 *10G
> - 16 * 2.5G + 2 * 10G
> - 24 * 1G + 4 * 10G
>
> - VSC7549 Sparx5-90 up to 90 Gbps of bandwidth with the following primary
> port configurations:
> - 9 * 10G
> - 16 * 2.5G + 4 * 10G
> - 48 * 1G + 4 * 10G
>
> - VSC7552 Sparx5-128 up to 128 Gbps of bandwidth with the following primary
> port configurations:
> - 12 * 10G
> - 16 * 2.5G + 8 * 10G
> - 48 * 1G + 8 * 10G
>
> - VSC7556 Sparx5-160 up to 160 Gbps of bandwidth with the following primary
> port configurations:
> - 16 * 10G
> - 10 * 10G + 2 * 25G
> - 16 * 2.5G + 10 * 10G
> - 48 * 1G + 10 * 10G
>
> - VSC7558 Sparx5-200 up to 200 Gbps of bandwidth with the following primary
> port configurations:
> - 20 * 10G
> - 8 * 25G
>
> In addition, the device supports one 10/100/1000/2500/5000 Mbps
> SGMII/SerDes node processor interface (NPI) Ethernet port.
>
> The Sparx5 support is developed on the PCB134 and PCB135 evaluation boards.
>
> - PCB134 main networking features:
> - 12x SFP+ front 10G module slots (connected to Sparx5 through SFI).
> - 8x SFP28 front 25G module slots (connected to Sparx5 through SFI high
> speed).
> - Optional, one additional 10/100/1000BASE-T (RJ45) Ethernet port
> (on-board VSC8211 PHY connected to Sparx5 through SGMII).
>
> - PCB135 main networking features:
> - 48x1G (10/100/1000M) RJ45 front ports using 12xVSC8514 QuadPHY’s each
> connected to VSC7558 through QSGMII.
> - 4x10G (1G/2.5G/5G/10G) RJ45 front ports using the AQR407 10G QuadPHY
> each port connects to VSC7558 through SFI.
> - 4x SFP28 25G module slots on back connected to VSC7558 through SFI high
> speed.
> - Optional, one additional 1G (10/100/1000M) RJ45 port using an on-board
> VSC8211 PHY, which can be connected to VSC7558 NPI port through SGMII
> using a loopback add-on PCB)
>
> This series provides support for:
> - SFPs and DAC cables via PHYLINK with a number of 5G, 10G and 25G
> devices and media types.
> - Port module configuration for 10M to 25G speeds with SGMII, QSGMII,
> 1000BASEX, 2500BASEX and 10GBASER as appropriate for these modes.
> - SerDes configuration via the Sparx5 SerDes driver (see below).
> - Host mode providing register based injection and extraction.
> - Switch mode providing MAC/VLAN table learning and Layer2 switching
> offloaded to the Sparx5 switch.
> - STP state, VLAN support, host/bridge port mode, Forwarding DB, and
> configuration and statistics via ethtool.
>
> More support will be added at a later stage.
>
> The Sparx5 Switch chip register model can be browsed here:
> Link: https://microchip-ung.github.io/sparx-5_reginfo/reginfo_sparx-5.html

Out of curiosity, what tool was used to generate the register
information page? It looks really neat and well organized.
--
Florian