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Message-ID: <20201217075134.919699-1-steen.hegelund@microchip.com>
Date: Thu, 17 Dec 2020 08:51:26 +0100
From: Steen Hegelund <steen.hegelund@...rochip.com>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
CC: Steen Hegelund <steen.hegelund@...rochip.com>,
Andrew Lunn <andrew@...n.ch>,
Russell King <linux@...linux.org.uk>,
Lars Povlsen <lars.povlsen@...rochip.com>,
Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Madalin Bucur <madalin.bucur@....nxp.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Mark Einon <mark.einon@...il.com>,
Masahiro Yamada <masahiroy@...nel.org>,
Arnd Bergmann <arnd@...db.de>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [RFC PATCH v2 0/8] Adding the Sparx5 Switch Driver
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
The series depends on the following series currently on their way
into the kernel:
- Sparx5 SerDes Driver
Link: https://lore.kernel.org/r/20201211090541.157926-1-steen.hegelund@microchip.com/
- Serial GPIO Controller
Link: https://lore.kernel.org/r/20201113145151.68900-1-lars.povlsen@microchip.com/
ChangeLog:
v2:
- The driver patch has been split into 6 patches by functionality
like this:
- the basic sparx5 driver
- hostmode with phylink support
- port module support
- switching, vlan and mactable support
- calendar bandwidth allocation support
- ethtool configuration and statistics support
- IO ranges have been collapsed into just 2 (the SerDes
driver uses the area inbetween) and the driver uses an
offset table to get the target instances.
- register macros have been converted to functions
- register_netdev() moved to the end of the switch initialization.
- sparx5_update_port_stats: use reverse christmas tree
- sparx5_get_sset_strings: copy individual strings
- sparx5_port_open: updated to better use phylink: just call
phylink_of_phy_connect directly
- sparx5_destroy_netdev: always take the NL lock
- sparx5_attr_stp_state_set: added learning state.
- sparx5_phylink_mac_config: use phylink to provide the
status for the devices phylink controls.
- sparx5_get_1000basex_status: renamed to sparx5_get_dev2g5_status
and corrected an error when combining the sync and link status
information.
- let phylink provide link status for cuPHYs and SFPs
- corrected the pause mode status handling
- use ethtool's get_link function directly
- remove the use of the phy_validate function
- sparx5_update_counter function: no longer inline
- Removed the wrapper functions around the mactable mutex
Steen Hegelund (8):
dt-bindings: net: sparx5: Add sparx5-switch bindings
net: sparx5: add the basic sparx5 driver
net: sparx5: add hostmode with phylink support
net: sparx5: add port module support
net: sparx5: add switching, vlan and mactable support
net: sparx5: add calendar bandwidth allocation support
net: sparx5: add ethtool configuration and statistics support
arm64: dts: sparx5: Add the Sparx5 switch node
.../bindings/net/microchip,sparx5-switch.yaml | 178 +
arch/arm64/boot/dts/microchip/sparx5.dtsi | 60 +
.../dts/microchip/sparx5_pcb134_board.dtsi | 424 +-
.../dts/microchip/sparx5_pcb135_board.dtsi | 602 ++-
drivers/net/ethernet/microchip/Kconfig | 2 +
drivers/net/ethernet/microchip/Makefile | 2 +
drivers/net/ethernet/microchip/sparx5/Kconfig | 8 +
.../net/ethernet/microchip/sparx5/Makefile | 11 +
.../microchip/sparx5/sparx5_calendar.c | 595 +++
.../microchip/sparx5/sparx5_ethtool.c | 979 ++++
.../microchip/sparx5/sparx5_mactable.c | 502 +++
.../ethernet/microchip/sparx5/sparx5_main.c | 855 ++++
.../ethernet/microchip/sparx5/sparx5_main.h | 372 ++
.../microchip/sparx5/sparx5_main_regs.h | 3922 +++++++++++++++++
.../ethernet/microchip/sparx5/sparx5_netdev.c | 246 ++
.../ethernet/microchip/sparx5/sparx5_packet.c | 279 ++
.../microchip/sparx5/sparx5_phylink.c | 193 +
.../ethernet/microchip/sparx5/sparx5_port.c | 1140 +++++
.../ethernet/microchip/sparx5/sparx5_port.h | 98 +
.../microchip/sparx5/sparx5_switchdev.c | 516 +++
.../ethernet/microchip/sparx5/sparx5_vlan.c | 223 +
21 files changed, 11147 insertions(+), 60 deletions(-)
create mode 100644 Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
create mode 100644 drivers/net/ethernet/microchip/sparx5/Kconfig
create mode 100644 drivers/net/ethernet/microchip/sparx5/Makefile
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_mactable.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_main.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_main.h
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_phylink.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_port.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_port.h
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_vlan.c
--
2.29.2
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