From patchwork Tue Sep 7 06:45:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenjun Wu X-Patchwork-Id: 98113 X-Patchwork-Delegate: qi.z.zhang@intel.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 C0380A0C41; Tue, 7 Sep 2021 09:03:59 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 49814410EC; Tue, 7 Sep 2021 09:03:59 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id 093B3410EB for ; Tue, 7 Sep 2021 09:03:57 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10099"; a="216959025" X-IronPort-AV: E=Sophos;i="5.85,274,1624345200"; d="scan'208";a="216959025" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2021 00:03:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,274,1624345200"; d="scan'208";a="546595603" Received: from wuwenjun.sh.intel.com ([10.67.110.178]) by fmsmga002.fm.intel.com with ESMTP; 07 Sep 2021 00:03:55 -0700 From: Wenjun Wu To: dev@dpdk.org, qiming.yang@intel.com, qi.z.zhang@intel.com Cc: Wenjun Wu Date: Tue, 7 Sep 2021 14:45:37 +0800 Message-Id: <20210907064537.74596-1-wenjun1.wu@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v1] net/ice: revert removing IPID from default hash field 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 Sender: "dev" We try to refine default RSS for IP fragment packets. However, the change will lead to more serious errors. The scenario that there is overlap/conflict between the new characteristics and the existing ones has not been supported, so non-fragment packets and fragment packets cannot share the same hash fields, or all related profiles will be removed. Therefore, IPID field is necessary for fragment packets. Fixes: cf37e1e5e9d2 ("net/ice: fix default RSS hash for IP fragment packets") Signed-off-by: Wenjun Wu --- drivers/net/ice/ice_ethdev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 8d62b84805..0683296584 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -2981,7 +2981,7 @@ ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf) if (rss_hf & ETH_RSS_FRAG_IPV4) { cfg.addl_hdrs = ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_FRAG; - cfg.hash_flds = ICE_FLOW_HASH_IPV4; + cfg.hash_flds = ICE_FLOW_HASH_IPV4 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID); ret = ice_add_rss_cfg_wrap(pf, vsi->idx, &cfg); if (ret) PMD_DRV_LOG(ERR, "%s IPV4_FRAG rss flow fail %d", @@ -2990,7 +2990,7 @@ ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf) if (rss_hf & ETH_RSS_FRAG_IPV6) { cfg.addl_hdrs = ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_FRAG; - cfg.hash_flds = ICE_FLOW_HASH_IPV6; + cfg.hash_flds = ICE_FLOW_HASH_IPV6 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_ID); ret = ice_add_rss_cfg_wrap(pf, vsi->idx, &cfg); if (ret) PMD_DRV_LOG(ERR, "%s IPV6_FRAG rss flow fail %d",