From patchwork Mon Feb 13 19:58:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shepard Siegel X-Patchwork-Id: 123826 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3893341C8C; Mon, 13 Feb 2023 20:58:31 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D6E1040FAE; Mon, 13 Feb 2023 20:58:30 +0100 (CET) Received: from mail-qt1-f180.google.com (mail-qt1-f180.google.com [209.85.160.180]) by mails.dpdk.org (Postfix) with ESMTP id 47E3840EE4 for ; Mon, 13 Feb 2023 20:58:29 +0100 (CET) Received: by mail-qt1-f180.google.com with SMTP id q13so15157489qtx.2 for ; Mon, 13 Feb 2023 11:58:29 -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:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=alwwGdXyrcv+bwQXg2JEDG/pAHfNtxxFgKqyLOL+ThE=; b=DXRyMTt8wbu7f82HNM6kf3LmyvUakQyY2EcVbM3mLUZGLpPRSN1EiOdDaagfOj3OOA x/ICqZLAZ2EpqKRsvv3vF11pGopBOowCOKeXwxtJQ4gxUQ1GImLK9iL9J0v+BNx6tgyP 5w3soHS06P5cOOiv/R0zlzoQSUWdSDAbnep0TKvkxkb0t5glhe1KyB/z8BRoJcxFSXJs U7HColydHdW4E4/1Ms5/XOpzY3Mt021Ch0p1N38xLdMEDI6JOM3oD3uxtsMhZRBLvLqO JiHJTw7JekxMOoUTpe1ORx8a2QA8EZjsjXqxaMdI+CHYRmQAnXP2mswuWjOKF/WXdvCR dUEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=alwwGdXyrcv+bwQXg2JEDG/pAHfNtxxFgKqyLOL+ThE=; b=rQqIt4fKAwxsNXcHzNHil0/nhIB5vyapC0fnMtkcWg0i1I/heSnZM17Muq3quOtpYe VSh6+vmO/OiFDEWqb2FpZ4Y8F+ai7rRnI+ZS5ajd2nadoErHzXcvbAHdF7akVdO3vkun XlLw3sd42wLmiJ0RO/NF3N2ypv4v+zU6dkQFC2MTAdCciuaWgb5vdCz/WGR7W5v7atnn oFNe1Tgw/sDdnn2tUU6v50GFFJBxnqjBu8TW42tK71Kb/M3wGLHllhdRUt8hON+d2hMh Rn1bAwid+Ea/ExM5kJ/aUjAHp/nFD/s25P0MYEPpTgUwy4C6nIh7Xmn/HFYg2RhiObqd Uqyg== X-Gm-Message-State: AO0yUKXlmyhg8JntC9sV+dSxeKs1j5DFntECgBW0qUADybLTastwi0h5 lPVP7Rf23gI432sdITuMTlwEPS1uG5Pap9sl X-Google-Smtp-Source: AK7set9sWUsDNnKkibDtLcBJBN04YzQB/a/QgxvFJC/AhiGOPh/0y26IZDZQUJEjeCh8XglUqujS2w== X-Received: by 2002:ac8:5dcf:0:b0:3b9:b1eb:ad38 with SMTP id e15-20020ac85dcf000000b003b9b1ebad38mr41499735qtx.50.1676318308592; Mon, 13 Feb 2023 11:58:28 -0800 (PST) Received: from ar-11700k.hsd1.nh.comcast.net ([2601:18d:8780:17a0:211d:4baf:90bc:4fd1]) by smtp.gmail.com with ESMTPSA id i25-20020ac871d9000000b003a527d29a41sm9595951qtp.75.2023.02.13.11.58.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Feb 2023 11:58:27 -0800 (PST) From: Shepard Siegel To: ed.czeck@atomicrules.com Cc: dev@dpdk.org, Shepard Siegel Subject: [PATCH 1/2] doc: clarify the existing net/ark guide Date: Mon, 13 Feb 2023 14:58:24 -0500 Message-Id: <20230213195825.2934483-1-shepard.siegel@atomicrules.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230211141459.2857045-1-shepard.siegel@atomicrules.com> References: <20230211141459.2857045-1-shepard.siegel@atomicrules.com> MIME-Version: 1.0 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 | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/doc/guides/nics/ark.rst b/doc/guides/nics/ark.rst index ba00f14e80..14fedbf252 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 @@ -73,7 +77,7 @@ between the user's FPGA application and the existing DPDK features via the PMD. Device Parameters -------------------- +----------------- The ARK PMD supports device parameters that are used for packet routing and for internal packet generation and packet checking. This @@ -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