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 7C662439AD; Wed, 24 Jan 2024 01:04:39 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E7221402A6; Wed, 24 Jan 2024 01:04:38 +0100 (CET) Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) by mails.dpdk.org (Postfix) with ESMTP id 818F440294 for ; Wed, 24 Jan 2024 01:04:37 +0100 (CET) Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-db402e6f61dso7149609276.3 for ; Tue, 23 Jan 2024 16:04:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1706054677; x=1706659477; darn=dpdk.org; h=cc:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=md7Brtcy8VIEvoeJsJHJJh4ozLtns+WY/3XggLXHzZk=; b=D0dsoTfy+Oo8wXlCJnr4SB1IWyPVeMlYZl5Nf3++sxN99Mqp7bLXbTOqw2cjJsYoEd 9Smm/tplJBhkcqfZne3BM60sqKU/Jsh+nNL9L0wXTRWUYHhdI1bmnT7s1iQCGlKyzozN t4OsXQSdqo6+9UHhFONQn6AJoV42Kux8OvlPGXLoA5ml2GqxaeHWc0hzDlaLgdp+JG+m U7eUxKK7CcMwNtEDQWdFmA220GHpdiR8MmL/qzg6YXdONI1KR9MsmsGTdcXVyqdHgnFc O/n7lUioMVP+l9qMAfUg781z7Zam4dzD0jexveXWlnlZKXwOrVT6dUMf5humUv8E+Oqd rjKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706054677; x=1706659477; h=cc:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=md7Brtcy8VIEvoeJsJHJJh4ozLtns+WY/3XggLXHzZk=; b=Umbyfel2KNOu4o9tsdN333gUkitcaA2/JzBgkvzUfLs/OobqBOYDW0D3UkvpCXnnmD /gLJfkzy/uhJD6XUhWFzHaLWaDE/Sd9fvd6GOPr3uyS/JA+bsY70SNsaNv0l4IU9FPvm wRfILKUp62UfxokDwY+sw3GCTm5tlLKIfxg48tL10srRH9aXTOSTjRVedPTAGzsN9S2C lAbwtrLglFJRhrXbRusTEmkWxiYXYg7iUEbbPSWyQeTbPaJOSf8zvRSKqJ4nHtwAHzZn i5iqbEd+1PLLpeyaXrbpZ4GdRg1E8O6xGCtb58JbexKEpBXePuB4E80Ohd15Y2UtoqoI FiFg== X-Gm-Message-State: AOJu0YwqcYub1qfCf2dv3HBVMRuzFTGowynbrIUynXY4nOq3ViczTTmG hA3Ya8HlqUm7ITOVyj9t8mFMyuzIevqG0UZFkNQcu6NgkpDeK9UGTlM94MQGpI1XakYr2dvDBN4 Z5OP1nqKfhez+D0IVDrg1viUji3YqsVefHpexNJZ+gqKnFk/+wFKK26HI3xNW4E9OpuUJZ7p5Rh NmLUt5g6A97VO0g38x3DBziW/jgBw49A== X-Google-Smtp-Source: AGHT+IEMEkka+siMfxu+iXhlucgFVaQ3NqqBbEzZWJViGYUbKS79weZAXguRLEdpvj42aTo1AgLXsldqpZMTKA== X-Received: from joshwash.sea.corp.google.com ([2620:15c:11c:202:b9a2:fa74:abc3:bc47]) (user=joshwash job=sendgmr) by 2002:a05:6902:a8d:b0:dc2:48af:bef8 with SMTP id cd13-20020a0569020a8d00b00dc248afbef8mr7405ybb.10.1706054676726; Tue, 23 Jan 2024 16:04:36 -0800 (PST) Date: Tue, 23 Jan 2024 16:04:18 -0800 In-Reply-To: <20240123175831.3219292-1-joshwash@google.com> Mime-Version: 1.0 References: <20240123175831.3219292-1-joshwash@google.com> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog Message-ID: <20240124000426.418527-1-joshwash@google.com> Subject: [PATCH 0/7] net/gve: RSS Support for GVE Driver From: Joshua Washington Cc: dev@dpdk.org, Ferruh Yigit , Rushil Gupta , Joshua Washington Content-Type: text/plain; charset="UTF-8" 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 This patch series introduces RSS support for the GVE poll-mode driver. This series includes implementations of the following eth_dev_ops: 1) rss_hash_update 2) rss_hash_conf_get 3) reta_query 4) reta_update In rss_hash_update, the GVE driver supports the following RSS hash types: * RTE_ETH_RSS_IPV4 * RTE_ETH_RSS_NONFRAG_IPV4_TCP * RTE_ETH_RSS_NONFRAG_IPV4_UDP * RTE_ETH_RSS_IPV6 * RTE_ETH_RSS_IPV6_EX * RTE_ETH_RSS_NONFRAG_IPV6_TCP * RTE_ETH_RSS_NONFRAG_IPV6_UDP * RTE_ETH_RSS_IPV6_TCP_EX * RTE_ETH_RSS_IPV6_UDP_EX The hash key is 40B, and the lookup table has 128 entries. These values are not configurable in this implementation. In general, the DPDK driver expects the RSS hash configuration to be set with a key before the redriection table is set up. When the RSS hash is configured, a default redirection table is generated based on the number of queues. When the device is re-configured, the redirection table is reset to the default value based on the queue count. An important note is that the gVNIC device expects 32 bit integers for RSS redirection table entries, while the RTE API uses 16 bit integers. However, this is unlikely to be an issue, as these values represent receive queues, and the gVNIC device does not support anywhere near 64K queues. This series also updates the corresponding feature matrix ertries and documentation as it pertains to RSS support in the GVE driver. v2: Add commmit messages for patches with it missing, and other checkpatches fixes. Note: There is a warning about complex macros being parenthesized that does not seem to be well-founded. v3: Fix build warnings that come up on certain distros. Joshua Washington (7): net/gve: fully expose RSS offload support in dev_info net/gve: RSS adminq command changes net/gve: add gve_rss library for handling RSS-related behaviors net/gve: RSS configuration update support net/gve: RSS redirection table update support net/gve: update gve.ini with RSS capabilities net/gve: update GVE documentation with RSS support doc/guides/nics/features/gve.ini | 3 + doc/guides/nics/gve.rst | 16 ++- drivers/net/gve/base/gve.h | 15 ++ drivers/net/gve/base/gve_adminq.c | 59 ++++++++ drivers/net/gve/base/gve_adminq.h | 21 +++ drivers/net/gve/gve_ethdev.c | 231 +++++++++++++++++++++++++++++- drivers/net/gve/gve_ethdev.h | 17 +++ drivers/net/gve/gve_rss.c | 206 ++++++++++++++++++++++++++ drivers/net/gve/gve_rss.h | 107 ++++++++++++++ drivers/net/gve/meson.build | 1 + 10 files changed, 667 insertions(+), 9 deletions(-) create mode 100644 drivers/net/gve/gve_rss.c create mode 100644 drivers/net/gve/gve_rss.h -- 2.43.0.429.g432eaa2c6b-goog