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 70DB146BA0; Thu, 17 Jul 2025 20:12:28 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0596E4013F; Thu, 17 Jul 2025 20:12:28 +0200 (CEST) Received: from mail-qv1-f46.google.com (mail-qv1-f46.google.com [209.85.219.46]) by mails.dpdk.org (Postfix) with ESMTP id D1DBC400EF for ; Thu, 17 Jul 2025 20:12:26 +0200 (CEST) Received: by mail-qv1-f46.google.com with SMTP id 6a1803df08f44-7048c49f1f1so11735946d6.0 for ; Thu, 17 Jul 2025 11:12:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1752775946; x=1753380746; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=oJ9vwoXyyMZ8Lpr/2FqhjigTmp5uMYz+26phuGuJDZ4=; b=gk7CvhijX/K3SDkp9mF6ZMse+WGJ07nyu2rSmKhaZa3GnZtcSTPPSCdnG+ZIEm6DhC R4Jiq7aFmdVm1EM0L30bfbNvki5DabOTQK9e1OIiXFaTBg5yDbkkyFI5BNnQIwr1EZ/q riQteQ/oXsvXfDWRt7MuT9s4lJ80hSVbTUA9qDu51rzcaSvQ58E0EH2RDrmk2QOpmu2X qSrJpraST3jG2SETT2PioitgkJJi0K11X/wfWpMMeZ2tuvT0qdY4BeCLp6tbkceZC3Bu sCv8n+L0Pk4Gx23EIUGY4XwY/iVl21N/oIOgk7kieit/qT3a7CzAHFp38KqlOaR4AoVm AN0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752775946; x=1753380746; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=oJ9vwoXyyMZ8Lpr/2FqhjigTmp5uMYz+26phuGuJDZ4=; b=vaNXM5LSw3r9lSxAe0vwvSpOVKf4OwOKAaqApjtfE9hVv1JLJDK0Rm4FiMVXoP/B+o f3P34TFH3BHLSprBHUA5Mdb+J78GxemslVq4rKKFh5X7pWsZYURFwbpCqeWGDEWBCcN+ 73BElyc94zPQBGsh6oD9FwuioKDx2QDPzwGa0bbPzI5EU5+UZB/YSvo8X9XhEf73GKRQ 0r5E3EcAH1piZWqWaBGY8ZJXQKkZgw8m06hlGJTr+CAF7Io0Bex5ZqOQdA9evCpHTvlc NzZQxKFcOSiyzfhL9Fn+p77pHqYxGVasXkcNBDNaHCbUP91lmuWTbHB3H1h/aWmHKfar iZlQ== X-Gm-Message-State: AOJu0YyZtHUbWLHHorSOlTo3Cw/uprZHbKvfw7vNEvMfAcHBcwLyyY5f E/ENSnOrzJiZIvNLlSWSeh+RdMrYrzzoqLl9UfXKeTqZ9i9ubW7hrXVd+4uM1ZMov6z1Iqz3Mlg HDje4 X-Gm-Gg: ASbGncur+abEsknLyoDnB7icNbzo2PPIkos9oDoXZ4uaLgD6yzMLcObBhTRxKs2KPIx 3yn8oKauVOs0Pot0g/3h1FlUjCiGVvAVkco0eprbErlOCleZcQDqrqPDoCcX6TRiWN/C1AqSnWG 2CPdRqNTeqY5Z9mdIoMJmYHSz4m2w6sPqbjPDqTBQxjiP1t66b201wEdYA6y7YgRpxRYEw5AIMX /M207W6PzLWDZyWtq/pxGOHmHHNqnl6gq8Q5AFWB5MI8T/fyaHxxZOZ/k4Ld8/AFQiJcZz90fnC DPnnZpf4sNW5mSQp2bCgwZWNdAGQ3YsKdo61zpascAOxYlx1m/9Jr6hoN5csXJYsBJCctxa/4Dx DuHyIGoDgo9oySei8C3Udx3W8qwcaQ/rICKLGzuZcwaiASG7Xfv8moOO5eh4VO2k1GMSOZLb7Al gLfHLkhQNiUg== X-Google-Smtp-Source: AGHT+IEfgS67lyOqy7rhHy1g/uYHTB1ipQyK+JG2REBlgu2aLOTlzMPJOlVkRQbDSJHsALpoWtGEAA== X-Received: by 2002:a05:6214:4689:b0:704:8db8:d3cd with SMTP id 6a1803df08f44-704f47f0cbfmr116775246d6.8.1752775946020; Thu, 17 Jul 2025 11:12:26 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-7049799f376sm88083416d6.4.2025.07.17.11.12.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jul 2025 11:12:25 -0700 (PDT) Date: Thu, 17 Jul 2025 11:12:23 -0700 From: Stephen Hemminger To: Jie Liu Cc: dev@dpdk.org Subject: Re: [PATCH v5 03/14] net/sxe: add tx rx setup and data path Message-ID: <20250717111223.5ce668ad@hermes.local> In-Reply-To: <20250710012021.7698-3-liujie5@linkdatatechnology.com> References: <20250707115819.12826-14-liujie5@linkdatatechnology.com> <20250710012021.7698-1-liujie5@linkdatatechnology.com> <20250710012021.7698-3-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Wed, 9 Jul 2025 21:20:10 -0400 Jie Liu wrote: > +next_desc: > + cur_desc = &desc_ring[cur_idx]; > + staterr = rte_le_to_cpu_32(cur_desc->wb.upper.status_error); > + > + if (!(staterr & SXE_RXDADV_STAT_DD)) > + break; > + > + rte_atomic_thread_fence(rte_memory_order_acquire); > + Maybe the heavy weight thread_fence here could be replaced by using atomic access on status_error which is really the only part the driver is looking at?