From patchwork Thu Feb 8 22:06:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 136569 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 C5C3643AB1; Thu, 8 Feb 2024 23:06:07 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AD49A41151; Thu, 8 Feb 2024 23:06:07 +0100 (CET) Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) by mails.dpdk.org (Postfix) with ESMTP id F39B240042 for ; Thu, 8 Feb 2024 23:06:05 +0100 (CET) Received: by mail-pj1-f50.google.com with SMTP id 98e67ed59e1d1-290da27f597so235477a91.2 for ; Thu, 08 Feb 2024 14:06:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1707429965; x=1708034765; darn=dpdk.org; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=trhXH+8cYS49EfkDt+QU8Tx7D6IgUFJNH+jSVg7QG8c=; b=T+dzMxYAzzG6LUP6JhVLPPg6JccTgqBwL8vzR5g33VgHs9hfAxzvRa9iDnpV6biuBE 6JqEqQH6NyB7XNy79AH5UQyxneq8j6U+vmfQToaRqnogLN0wZtgCWW8IH3zqGFN/s1uO dGgZUDYAbJ+Ds/wnHF4+tlbO/C8sgRlhin3Zg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707429965; x=1708034765; h=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=trhXH+8cYS49EfkDt+QU8Tx7D6IgUFJNH+jSVg7QG8c=; b=DU17X9c0hD4VGYR+yxLVRZAsJeKSyhxZYOG0SgZ52U55c/VYGc1sIp5+u8OlbLkAMt 3o31SRWu8Hex2d+wbXdMzwJAjx+DeMHXH+rzMydx6t2/YqNB1Ue4egSBk6hNuv1mQ1Cy rrgpEfuTOnfeuZ/H5UZRwQcvxwXnf2G3K7H/PMSw3KebmRaXQrhbXYVUCTDWoA3tF9r4 RtZgIW8RNCq39ZQbbFYQTqGKZAlOJ6X9fy3Rwq95NNvJwciV45B1WtUXJsP23iV9G6xy QvFqSdUlczqpw8OPjS5uuYM8L7hxe6zWDYkVrf00bxOVopCVvoAljmDnOdM9jT5vnNnR 0Dcg== X-Gm-Message-State: AOJu0Yxrf3HNFymj6jB+Oa9p7EHBQxHvXIwoEAotu9zTs+8I0YX4LLi2 ZRVZnPFe5D/IcTh5ugumLrM1y8V9UfxPMaZRvkNdwTF68mTnXJtqJBN3UdJsf25ywunG3fnxwtV jschKkxNPimQM8XpGSUKmAuHt4mqL9N91+s60zz6GFRe+yquCaaI972MqaLXzIHBRBjPYTI27wC 9b9RhPF/kTxqXTwNu4Oqse2zeLkoMt X-Google-Smtp-Source: AGHT+IEwt/GbJiO01ltv0+jL2cC2jVY0Q12txQ4AwkraPqPWBItJgnTPDnktfSpNKCA6lB9ViarOQw== X-Received: by 2002:a17:90a:d904:b0:296:879:b113 with SMTP id c4-20020a17090ad90400b002960879b113mr615684pjv.5.1707429964604; Thu, 08 Feb 2024 14:06:04 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCX3cGOjAFJh+y7vbVhbbzCmeBun25p8Ymq4VORhHCVoRwq7l3FK9lcMq6QfHzl6OSvJzo4xXYz78+AH5VntpIa28dac8gsVyjaj3ACoiA== Received: from C02GC2QQMD6T.wifi.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id nc16-20020a17090b37d000b00296f2c1d2c9sm298788pjb.18.2024.02.08.14.06.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Feb 2024 14:06:03 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: ferruh.yigit@amd.com, andrew.rybchenko@oktetlabs.ru Subject: [PATCH v2] ethdev: add support for RSS based on IPv6 flow label Date: Thu, 8 Feb 2024 14:06:00 -0800 Message-Id: <20240208220600.56443-1-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: References: 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 On supporting hardware, the 20-bit Flow Label field in the IPv6 header can be used to perform RSS in the ingress path. Flow label values can be chosen such that they can be used as part of the input to a hash function used in a load distribution scheme. On supporting hardware, the 20-bit Flow Label field in the IPv6 header can be used to perform RSS in the ingress path. Example to configure IPv6 flow label based RSS: flow create 0 ingress pattern eth / ipv6 / tcp / end actions rss types ipv6-flow-label end / end Signed-off-by: Ajit Khaparde --- v1->v2: Combined ethdev and testmd patches into single patch as suggested. --- app/test-pmd/cmdline.c | 8 ++++---- app/test-pmd/config.c | 1 + lib/ethdev/rte_ethdev.h | 1 + 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index d8ea2b76e6..ced4a762fc 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -715,7 +715,7 @@ static void cmd_help_long_parsed(void *parsed_result, "port config all rss (all|default|level-default|level-outer|level-inner|" "ip|tcp|udp|sctp|tunnel|vlan|none|" "ipv4|ipv4-frag|ipv4-tcp|ipv4-udp|ipv4-sctp|ipv4-other|" - "ipv6|ipv6-frag|ipv6-tcp|ipv6-udp|ipv6-sctp|ipv6-other|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|" + "ipv6|ipv6-frag|ipv6-tcp|ipv6-udp|ipv6-sctp|ipv6-other|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|ipv6-flow-label|" "l2-payload|port|vxlan|geneve|nvgre|gtpu|eth|s-vlan|c-vlan|" "esp|ah|l2tpv3|pfcp|pppoe|ecpri|mpls|ipv4-chksum|l4-chksum|" "l2tpv2|l3-pre96|l3-pre64|l3-pre56|l3-pre48|l3-pre40|l3-pre32|" @@ -2133,7 +2133,7 @@ static cmdline_parse_inst_t cmd_config_rss = { "all|default|level-default|level-outer|level-inner|" "ip|tcp|udp|sctp|tunnel|vlan|none|" "ipv4|ipv4-frag|ipv4-tcp|ipv4-udp|ipv4-sctp|ipv4-other|" - "ipv6|ipv6-frag|ipv6-tcp|ipv6-udp|ipv6-sctp|ipv6-other|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|" + "ipv6|ipv6-frag|ipv6-tcp|ipv6-udp|ipv6-sctp|ipv6-other|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|ipv6-flow-label|" "l2-payload|port|vxlan|geneve|nvgre|gtpu|eth|s-vlan|c-vlan|" "esp|ah|l2tpv3|pfcp|pppoe|ecpri|mpls|ipv4-chksum|l4-chksum|" "l2tpv2|l3-pre96|l3-pre64|l3-pre56|l3-pre48|l3-pre40|l3-pre32|" @@ -2249,7 +2249,7 @@ static cmdline_parse_token_string_t cmd_config_rss_hash_key_rss_type = "ipv4#ipv4-frag#ipv4-tcp#ipv4-udp#ipv4-sctp#" "ipv4-other#ipv6#ipv6-frag#ipv6-tcp#ipv6-udp#" "ipv6-sctp#ipv6-other#l2-payload#ipv6-ex#" - "ipv6-tcp-ex#ipv6-udp-ex#" + "ipv6-tcp-ex#ipv6-udp-ex#ipv6-flow-label#" "l3-src-only#l3-dst-only#l4-src-only#l4-dst-only#" "l2-src-only#l2-dst-only#s-vlan#c-vlan#" "l2tpv3#esp#ah#pfcp#pppoe#gtpu#ecpri#mpls#l2tpv2"); @@ -2262,7 +2262,7 @@ static cmdline_parse_inst_t cmd_config_rss_hash_key = { .help_str = "port config rss-hash-key " "ipv4|ipv4-frag|ipv4-tcp|ipv4-udp|ipv4-sctp|ipv4-other|" "ipv6|ipv6-frag|ipv6-tcp|ipv6-udp|ipv6-sctp|ipv6-other|" - "l2-payload|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|" + "l2-payload|ipv6-ex|ipv6-tcp-ex|ipv6-udp-ex|ipv6-flow-label|" "l3-src-only|l3-dst-only|l4-src-only|l4-dst-only|" "l2-src-only|l2-dst-only|s-vlan|c-vlan|" "l2tpv3|esp|ah|pfcp|pppoe|gtpu|ecpri|mpls|l2tpv2 " diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index 2c4dedd603..3c5c5bac67 100644 --- a/app/test-pmd/config.c +++ b/app/test-pmd/config.c @@ -148,6 +148,7 @@ const struct rss_type_info rss_type_table[] = { { "l4-src-only", RTE_ETH_RSS_L4_SRC_ONLY }, { "l3-dst-only", RTE_ETH_RSS_L3_DST_ONLY }, { "l3-src-only", RTE_ETH_RSS_L3_SRC_ONLY }, + { "ipv6-flow-label", RTE_ETH_RSS_IPV6_FLOW_LABEL }, { NULL, 0}, }; diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h index 2687c23fa6..75a3f5f2c7 100644 --- a/lib/ethdev/rte_ethdev.h +++ b/lib/ethdev/rte_ethdev.h @@ -587,6 +587,7 @@ struct rte_eth_rss_conf { #define RTE_ETH_RSS_L4_CHKSUM RTE_BIT64(35) #define RTE_ETH_RSS_L2TPV2 RTE_BIT64(36) +#define RTE_ETH_RSS_IPV6_FLOW_LABEL RTE_BIT64(37) /* * We use the following macros to combine with above RTE_ETH_RSS_* for