Add detail for the existing Arkville configurations FX0 and FX1. Corrected minor errors of omission.
Signed-off-by: Shepard Siegel <shepard.sie...@atomicrules.com> --- doc/guides/nics/ark.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/doc/guides/nics/ark.rst b/doc/guides/nics/ark.rst index ba00f14e80..edaa02dc96 100644 --- a/doc/guides/nics/ark.rst +++ b/doc/guides/nics/ark.rst @@ -52,6 +52,10 @@ board. While specific capabilities such as number of physical hardware queue-pairs are negotiated; the driver is designed to remain constant over a broad and extendable feature set. +* FPGA Vendors Supported: AMD/Xilinx and Intel +* Number of RX/TX Queue-Pairs: up to 128 +* PCIe Endpoint Technology: Gen3, Gen4, Gen5 + Intentionally, Arkville by itself DOES NOT provide common NIC capabilities such as offload or receive-side scaling (RSS). These capabilities would be viewed as a gate-level "tax" on @@ -303,6 +307,18 @@ ARK PMD supports the following Arkville RTL PCIe instances including: * ``1d6c:101e`` - AR-ARKA-FX1 [Arkville 64B DPDK Data Mover for Agilex R-Tile] * ``1d6c:101f`` - AR-TK242 [2x100GbE Packet Capture Device] +Arkville RTL Core Configurations +------------------------------------- + +Arkville's RTL core may be configured by the user with different +datapath widths to balance throughput against FPGA logic area. The ARK PMD +has introspection on the RTL core configuration and acts accordingly. +All Arkville configurations present identical RTL user-facing AXI stream +interfaces for both AMD/Xilinx and Intel FPGAs. + +* ARK-FX0 - 256-bit 32B datapath (PCIe Gen3, Gen4) +* ARK-FX1 - 512-bit 64B datapath (PCIe Gen3, Gen4, Gen5) + DPDK and Arkville Firmware Versioning ------------------------------------- @@ -334,6 +350,8 @@ Supported Features ------------------ * Dynamic ARK PMD extensions +* Dynamic per-queue MBUF (re)sizing up to 32KB +* SR-IOV, VF-based queue-segregation * Multiple receive and transmit queues * Jumbo frames up to 9K * Hardware Statistics -- 2.25.1
