From owner-freebsd-net@freebsd.org Mon Mar 29 08:36:17 2021 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 376725C1081 for ; Mon, 29 Mar 2021 08:36:17 +0000 (UTC) (envelope-from ozkan.kirik@gmail.com) Received: from mail-vs1-xe32.google.com (mail-vs1-xe32.google.com [IPv6:2607:f8b0:4864:20::e32]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4F85X03W1Pz4n0n; Mon, 29 Mar 2021 08:36:16 +0000 (UTC) (envelope-from ozkan.kirik@gmail.com) Received: by mail-vs1-xe32.google.com with SMTP id f19so1180959vsl.10; Mon, 29 Mar 2021 01:36:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=McQSHiuHWgY7fcQ3Fql22Wq8ZDlRsobVHbndVEnbNxc=; b=kNBDexiknbwZuUt4gp6q1C/djiSFVqkgbyhprPExkpulNNUaTqf6/w6ttEOfK1Vcw1 K+LnaoFe+tQSr2/c3TSVJTW24U99xvUUi6Sx4+4MV4iPLn/m+omVJaxk0UUdXLzWEiN2 CvYA3Vc3fHqcHxtK/egoK0cGbzEogl38RN3dzwrNJThUHHMaPtyJaZqQ6aony23T6Cxi ZoEqP+kKIzfVRMRzzhHwZurNryZuWYFTEjt4+mlQatyruorVOqPGDR0WMMXhx1Rvqh8t OkwJS+eh2kjfJ2x/jKyXVbapv1mJF47k0E3BuIuBhUhw7BwbpdXJbx0/7gP7SuqBbKwx bFWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=McQSHiuHWgY7fcQ3Fql22Wq8ZDlRsobVHbndVEnbNxc=; b=UolVU36tk3BJF5SRU05WShXmeMJZflgLw2MeqYwFITTPWU8JdXqvLr1N6EfLZ8j9/C 2MM1+jpGLFBPQf9WEPtlZUJY5yRMXRpgDx5X6h/GoejIQ5A/8fmUVaYNfeH37jEM+E/m v7XkYlEdXHDqsfeRKDZRrZAH5+S4mOaY2PqF716QDOpLG6Wj+PodpCd75FXRLdTf0ytQ zdvQkXGq7G1Yue6F4jUBBur4sMforV6hQrmeUBQpo+UyuDNyUalfeOiJZV8fqpy1u61p zcYiRojpEhMqML7sMngMJJhL25yBCHro7iv1KVMuah87snkkRc0Jq+lQYHIpG2rSy+IQ /7Bw== X-Gm-Message-State: AOAM532aHKbJq0vSyBnfe2iIaRbQI+BRDAlc9/DBRhYFAWqZVlfhNjPP PNVlREHXGtjN60DmwOb0g5YUTLvO9At0lipg7BWKXyJQaPo= X-Google-Smtp-Source: ABdhPJy8p7TfM/vhLdliunTyi/j3lqBjeYn8JoKp77DAk7F5Z9McWlbvkeoKeZYcveQQyzE7iZfHXlG4O3cfOQsjYOY= X-Received: by 2002:a67:fd18:: with SMTP id f24mr250460vsr.14.1617006975401; Mon, 29 Mar 2021 01:36:15 -0700 (PDT) MIME-Version: 1.0 From: =?UTF-8?B?w5Z6a2FuIEtJUklL?= Date: Mon, 29 Mar 2021 11:36:04 +0300 Message-ID: Subject: ixl netmap TX queue remains full To: FreeBSD Net Cc: krzysztof.galazka@intel.com, gowtham.kumar.ks@intel.com, erj@freebsd.org, jeffrey.e.pieper@intel.com X-Rspamd-Queue-Id: 4F85X03W1Pz4n0n X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=kNBDexik; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ozkankirik@gmail.com designates 2607:f8b0:4864:20::e32 as permitted sender) smtp.mailfrom=ozkankirik@gmail.com X-Spamd-Result: default: False [-3.37 / 15.00]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCPT_COUNT_FIVE(0.00)[5]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-0.999]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; R_MIXED_CHARSET(0.62)[subject]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::e32:from]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::e32:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::e32:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-net] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Mar 2021 08:36:17 -0000 Hello, I hit problems about ixl driver's netmap support. I have no problems with ixgbe. The problem is tested with FreeBSD 12.2-p5 and FreeBSD 13.0-RC3. ixl in netmap mode, it works with low throughput (about 2 Gbps) for 20-30 seconds. And then TX queue remains full. poll with POLLOUT and even ioctl(fd, NIOCTXSYNC) does not work. So that nic stops working. Same netmap software with ixgbe has no problems. pciconf -lv output: ixl0@pci0:183:0:0: class=0x020000 card=0x37d215d9 chip=0x37d28086 rev=0x04 hdr=0x00 vendor = 'Intel Corporation' device = 'Ethernet Connection X722 for 10GBASE-T' class = network subclass = ethernet ixl1@pci0:183:0:1: class=0x020000 card=0x37d215d9 chip=0x37d28086 rev=0x04 hdr=0x00 vendor = 'Intel Corporation' device = 'Ethernet Connection X722 for 10GBASE-T' class = network subclass = ethernet ixl2@pci0:183:0:2: class=0x020000 card=0x37d015d9 chip=0x37d08086 rev=0x04 hdr=0x00 vendor = 'Intel Corporation' device = 'Ethernet Connection X722 for 10GbE SFP+' class = network subclass = ethernet ixl3@pci0:183:0:3: class=0x020000 card=0x37d015d9 chip=0x37d08086 rev=0x04 hdr=0x00 vendor = 'Intel Corporation' device = 'Ethernet Connection X722 for 10GbE SFP+' class = network subclass = ethernet Best regards