From owner-freebsd-questions@freebsd.org Thu Apr 30 03:42:36 2020 Return-Path: Delivered-To: freebsd-questions@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 4A2D72CDE2E for ; Thu, 30 Apr 2020 03:42:36 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "mout.kundenserver.de", Issuer "TeleSec ServerPass Class 2 CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49CLmq0wmjz4DLk for ; Thu, 30 Apr 2020 03:42:34 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from r56.edvax.de ([94.222.29.41]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPA (Nemesis) id 1MAtoX-1jJIi537LF-00BMjV; Thu, 30 Apr 2020 05:42:28 +0200 Date: Thu, 30 Apr 2020 05:42:27 +0200 From: Polytropon To: Yuri Pankov Cc: jester@panix.com, freebsd-questions@freebsd.org Subject: Re: Drivers for NIC (igb vs em)? Message-Id: <20200430054227.89ccdd8e.freebsd@edvax.de> In-Reply-To: References: <20200429165235.GA17720@panix.com> Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:/4JDp1J+JeaVoKq8Vqp46fvcZ5oRzs40BAJakMwn/QdelWp1PrZ b4el/AbSpj5Cn1ZC7AaXAD3+9ktdGnl1fTbJ/hO+imBqhGTo8X8pwlhygLxxpsjO3/ZSzE7 XjrIMjHf2EhkS/ktvC+l6gHxWlGvwC7zUY1UOhQ9oSPZ/+ArosyAlnFPTuMWhKR86LBJSrt j7rtAuvkCMMcEayOJXgRA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:64wOxv3TAE4=:WVVCBDdILel12ja8uFKKQe qd/xgiKf5dllSfEaOjWhRb8sGiw5rs2r7TZMc7uFUK8PCg1HC0eCsE4SNeNcK4s1S2jKXNVTU 9wkdLeGAb4Gi5kfBROQr6b2wr6c7dUnwlglE3qegrqbEB+8T/6xNYgL03Buj1/i3kpIGHw5mY /WHnac1Wm6HXCFT+A//h9sDXmOQ4jlijr6nYKLtE+5CRm4TTXyRES0D1FXlxKOS13xJrvLprp 0Veez04soQraggtD1qrK2UYG3YfQXPe8PPiOCh4S2+Yjapj2nGQW5tPD+/aKiDaI1ECowuRde nadgiApH861IbMl7h8xtSSczjEUi0Ejpzo0gZEgY1F5wFcwk3JJ6UVp/gvSSc7ed0YFv7r7rZ /6ClQiEQiMBv9fx9+y4WXNSk8ZF85hOQUW9ynda5W0O46NpdswbwMIbRDTBEee38xeimLKewg oUVHQmOLqmmRh0jwG+bEcfxCOvbzNYwABKGJIOOlkzrGxuHmNe9dYhjTQ0+kYzDE7pxJS4C6E RCvZc/fBJ28bXGeZCU+9PEclB/or7aoJs9J+fMs0Gg++4md+ex1oTUipyK0bajrlbnz/r2p8Q tGzFSeGrRLccepndy28y2mznXM1wDw8kjPBGxZ0dChHNzpbjWDqb0QDCg1EFQtQZapyGMj3fu dQnz6iKfJJG15McT2/jRnqAVxQ0xMjO43L2tMOzTzcijHRzgIYTaaQJDb/tEkJ+539sa4f6wm zdFwZzti1V+PL1uiXIPTgNKFIBDLKhgAuIVpH8wu+3TYuj5rW+O7Wmsr17wypWAXb7pehSNbO 3WIZYpK3un1HgD3wBOxJHDuKDi3FjuPIOoozlA4PQHj5Y8QdxghdLHqwhW4xtEeYsJFJUKU X-Rspamd-Queue-Id: 49CLmq0wmjz4DLk X-Spamd-Bar: +++++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd@edvax.de has no SPF policy when checking 212.227.126.135) smtp.mailfrom=freebsd@edvax.de X-Spamd-Result: default: False [5.36 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; HAS_REPLYTO(0.00)[freebsd@edvax.de]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; HAS_ORG_HEADER(0.00)[]; FREEMAIL_TO(0.00)[fastmail.com]; RECEIVED_SPAMHAUS_PBL(0.00)[41.29.222.94.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.11]; RCVD_TLS_LAST(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:8560, ipnet:212.227.0.0/16, country:DE]; ARC_NA(0.00)[]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[edvax.de]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.74)[0.737,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(1.00)[1.000,0]; MID_CONTAINS_FROM(1.00)[]; RCVD_IN_DNSWL_NONE(0.00)[135.126.227.212.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[135.126.227.212.rep.mailspike.net : 127.0.0.17]; RCVD_COUNT_TWO(0.00)[2]; IP_SCORE(0.22)[ip: (0.29), ipnet: 212.227.0.0/16(-1.22), asn: 8560(2.06), country: DE(-0.02)] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Apr 2020 03:42:36 -0000 On Wed, 29 Apr 2020 20:46:14 +0300, Yuri Pankov wrote: > jester@panix.com wrote: > > > > This is (I think) a basic networking hardware question. I'm > > actually running FreeNAS 11.3, but I assume this relates to > > the underlying system. > [...] > The two were merged starting with FreeBSD 12.0 under the "em" name; I > don't know the exact historical reasons those were separate though. Technically, em is the older driver (Intel PRO/1000 family of Gigabit chipsets), and igb introduced support for the newer models (Intel Gigabit ET/VT Dual Port Server Adapter families). On FreeBSD 11 (FreeNAS 11.3), there's still a manual entry for igb and em, listing different hardware. I'mm sure there are many similarities, so igb got integrated / merged with em, as on FreeBSD 12, there no longer is "man 4 igb", even though a file /boot/kernel/if_igb.ko still exists (12.0-p7 experimental system here). For comparison: FreeBSD 11.3 "man 4 igb": https://www.freebsd.org/cgi/man.cgi?query=igb&apropos=0&sektion=4&manpath=FreeBSD+11.3-RELEASE&arch=default&format=html FreeBSD 11.3 "man 4 em": https://www.freebsd.org/cgi/man.cgi?query=em&apropos=0&sektion=4&manpath=FreeBSD+11.3-RELEASE&arch=default&format=html FreeBSD 12.1 "man 4 em": https://www.freebsd.org/cgi/man.cgi?query=em&apropos=0&sektion=4&manpath=FreeBSD+12.1-RELEASE&arch=default&format=html The "em" manual page has been updated. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...