From owner-freebsd-drivers@freebsd.org Tue Feb 9 06:56:37 2021 Return-Path: Delivered-To: freebsd-drivers@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 72C42533246 for ; Tue, 9 Feb 2021 06:56:37 +0000 (UTC) (envelope-from baragozz74@gmail.com) Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) (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 4DZYb86BLLz4ZHk for ; Tue, 9 Feb 2021 06:56:36 +0000 (UTC) (envelope-from baragozz74@gmail.com) Received: by mail-ed1-x52b.google.com with SMTP id s11so22162651edd.5 for ; Mon, 08 Feb 2021 22:56:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=fTBkglTb40U/6jjPkBLydolfVXpVctQcUSpc1Ec3BcQ=; b=vHzkSR8h7BRiWUrlQ+9FMCORGSamd8iDbOsTcUyU/fJjCPiJYyapZbnjOMeyCvhtiq 7SV8rFnvYq/fYLfiFCJonhlAVWf+/anMevtac//aW/Ql/HGzXMI3RkuC6dinkDc0kdM1 KQeEx88gbje1NzlaHR24aHSMvj/MBbGcdgNTk/6FQ0GJSWexdlBqnQ827XgfHou5wOCz 57sOsGwPO9GzBuLR9MgyZmodGhKeqpwFabONSbh+E6+gE/ev0B8ip+rtDO4ZnhqGFqxq Ql9ezH9dxaexRsF2mhUq3D5So/WYSzXhaLM/S2344cmmXbKkYQQ82WLAwZkVzhQ6A6K4 0t6Q== 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; bh=fTBkglTb40U/6jjPkBLydolfVXpVctQcUSpc1Ec3BcQ=; b=B7cnYBqF+xbjkwDdlsmDuHrMEeArDzMWw2IGsTl5A6ePErRwucuah0tBzq+3rQFMzh evGOv4qZaIQjZbzF5pYAQ0b3/n1M3EYI6NnoOv5nF2UMOPJ5q00cO+FcSBh3l7QBCv+Q YWHSw8xRxyN7jfDBWnJLltNj5Cw1zuTDWSH4A+QLiKL5spLmubw8ZKulv0ilAO5iPSzo RnGSSYNvAPe+ofrzj027nT2gIQbktImzIDUiqgOzPv6n6Qbi6OpVoH45+pXsHu/hlLoV tam9I2kZt/t8VKcvxNT17DCm1jqz/KhqSxvQYkIDcskK4nMhYPvxKIOF1LlCqcWaAdd1 eo0Q== X-Gm-Message-State: AOAM532QKLtBD1D8YngP5MohWMwwFBDraWmKURhMg0A/YrLpMZ7mY3d9 /INpn8H0O9cWGJ/3Yi7qJFeKyPbEVj2KcUHvT139hmDHYS0= X-Google-Smtp-Source: ABdhPJxes9mGcQIcJm8sUcpsVjAWSd7J+MucQFnYA4lilHTB9E9iCfYuAId32m4yM8nS9dxDNiKXn2lru9bGbLHbhVg= X-Received: by 2002:a05:6402:1c85:: with SMTP id cy5mr15333133edb.379.1612853795366; Mon, 08 Feb 2021 22:56:35 -0800 (PST) MIME-Version: 1.0 From: Dach Shong Date: Tue, 9 Feb 2021 09:56:39 +0300 Message-ID: Subject: igb driver hw.em.rxd hw.em.txd To: freebsd-drivers@freebsd.org X-Rspamd-Queue-Id: 4DZYb86BLLz4ZHk X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=vHzkSR8h; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of baragozz74@gmail.com designates 2a00:1450:4864:20::52b as permitted sender) smtp.mailfrom=baragozz74@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; 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:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::52b:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-drivers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::52b:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::52b:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-drivers] X-Mailman-Approved-At: Tue, 09 Feb 2021 21:35:23 +0000 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Writing device drivers for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Feb 2021 06:56:37 -0000 Hello. My system FreeBSD 12.2 . I have an igb network card. Found out that the igb driver has merged with em. Where are the system parameters? hw.em.rxd="4096" hw.em.txd="4096" # sysctl hw.em.rxd sysctl: unknown oid 'hw.em.rxd' https://www.freebsd.org/cgi/man.cgi?query=em&apropos=0&sektion=4&manpath=FreeBSD+12.2-RELEASE&arch=default&format=html *LOADER TUNABLES* Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf(5) . *hw.em.rxd* Number of receive descriptors allocated by the driver. The de- fault value is 1024 for adapters newer than 82547, and 256 for older ones. The 82542 and 82543-based adapters can handle up to 256 descriptors, while others can have up to 4096. *hw.em.txd* Number of transmit descriptors allocated by the driver. The de- fault value is 1024 for adapters newer than 82547, and 256 for older ones. The 82542 and 82543-based adapters can handle up to 256 descriptors, while others can have up to 4096.