From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 381C141C6D; Sat, 11 Feb 2023 15:14:09 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1657B410DE; Sat, 11 Feb 2023 15:14:09 +0100 (CET) Received: from mail-qt1-f171.google.com (mail-qt1-f171.google.com [209.85.160.171]) by mails.dpdk.org (Postfix) with ESMTP id 5B1BD40E25 for ; Sat, 11 Feb 2023 15:14:07 +0100 (CET) Received: by mail-qt1-f171.google.com with SMTP id c2so8934203qtw.5 for ; Sat, 11 Feb 2023 06:14:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=atomicrules-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=N91SJ7oYBcGsrJUBJOy19whSJM1UtTaN3++YoexO9fY=; b=KPmHzd83FMquLtryiy8mWvNzl6p0uruIwRlIctxiNGhPHaeIAS6QjNWiUj1RDcsPaB Pe5zsQAzBJR4PS9yADwq+DkWOQoh1+n4nwydBRB0RwCjuAjjlFHp79/YjgTZli6PgXh+ Ny6HhiLOqQIk+NWzutZlbS84F48y/pCXvGXUCgKymwkkKCgyUjA/AfxndoqlzoROcSry AE9b4Aox4x9F9cLbxVjHkgQOv7GLYUL2kbhpnMQ2W75GoeT1iA2nusHMmKFlTlwJmcY+ 56wZko/NNkBs9U318euNhIbkJiIW3lj6sxsq0Yku4otuSdL6PFzOUCpstmQOUnHAWG1j DC0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=N91SJ7oYBcGsrJUBJOy19whSJM1UtTaN3++YoexO9fY=; b=rbHvPJW12l7APFAdvsTEH9bqA/xLXNgCfplQRYng/ztVjJ0OkhSCf2N/8Hs20QT3R1 y6kh+t7BHVCFC+c1Y4EpWWTB4ATIJamsndOF/dSDjQuL3DRrmx8KW/+k5rX4OcvGUWYH bmKuAmEqYYXQQf0ZJC9Apoy6jjFksPMahpfVRuJcC06ipebAhPh+HtfdGoQDxZ8HNspt uazLkYd33ebhSVpCc+lXPE7Ew6f/Gqc4icrqUl8hsVulAw7EikseB/0UPSU/xM1dvLEt 7cyvojZSrRKkLBWwKjJMSfPQMgKbyA/SUo9C7mD8RRtBzr8IzQD2tLy+pGYbCexJ2nwt JG/g== X-Gm-Message-State: AO0yUKUVqJ5EXjzYkX1DQEMz3sLKXXiv6tt8p6M784Bg9qjCTKgf7ZK1 VXb6uyK4VoH9ERSoxynZuZXkqod4N89YbBcT X-Google-Smtp-Source: AK7set/y+SbJsgJLlYlcR2UVFssMsB1b4Lhbj/hZZ9f4QdkkmDtMdFxOrtCCoO2micKGeDR0jS+NtA== X-Received: by 2002:ac8:57d0:0:b0:3b8:6d3a:5ec7 with SMTP id w16-20020ac857d0000000b003b86d3a5ec7mr33294595qta.22.1676124846575; Sat, 11 Feb 2023 06:14:06 -0800 (PST) Received: from ar-11700k.hsd1.nh.comcast.net ([2601:18d:8780:17a0:a2e0:2f19:6529:2ed2]) by smtp.gmail.com with ESMTPSA id e68-20020a37b547000000b0071aacb2c76asm5752452qkf.132.2023.02.11.06.14.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Feb 2023 06:14:06 -0800 (PST) From: Shepard Siegel To: ed.czeck@atomicrules.com Cc: dev@dpdk.org, Shepard Siegel Subject: [PATCH] doc: clarify the existing net/ark guide Date: Sat, 11 Feb 2023 09:13:57 -0500 Message-Id: <20230211141357.2856973-1-shepard.siegel@atomicrules.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add detail for the existing Arkville configurations FX0 and FX1. Corrected minor errors of omission. Signed-off-by: Shepard Siegel --- 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