From owner-svn-src-all@freebsd.org Tue Dec 10 20:51:28 2019 Return-Path: Delivered-To: svn-src-all@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 B215E1E4316; Tue, 10 Dec 2019 20:51:28 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47XXKX4Lwqz4FX9; Tue, 10 Dec 2019 20:51:28 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 90AD373D; Tue, 10 Dec 2019 20:51:28 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id xBAKpS2e038829; Tue, 10 Dec 2019 20:51:28 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xBAKpShA038828; Tue, 10 Dec 2019 20:51:28 GMT (envelope-from np@FreeBSD.org) Message-Id: <201912102051.xBAKpShA038828@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Tue, 10 Dec 2019 20:51:28 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355597 - head/share/man/man4 X-SVN-Group: head X-SVN-Commit-Author: np X-SVN-Commit-Paths: head/share/man/man4 X-SVN-Commit-Revision: 355597 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Dec 2019 20:51:28 -0000 Author: np Date: Tue Dec 10 20:51:28 2019 New Revision: 355597 URL: https://svnweb.freebsd.org/changeset/base/355597 Log: cxgbe(4): Man page updates to go with r355107. MFC after: 1 week Sponsored by: Chelsio Communications Modified: head/share/man/man4/cxgbe.4 Modified: head/share/man/man4/cxgbe.4 ============================================================================== --- head/share/man/man4/cxgbe.4 Tue Dec 10 20:23:05 2019 (r355596) +++ head/share/man/man4/cxgbe.4 Tue Dec 10 20:51:28 2019 (r355597) @@ -31,7 +31,7 @@ .\" .\" $FreeBSD$ .\" -.Dd Oct 25, 2019 +.Dd Dec 10, 2019 .Dt CXGBE 4 .Os .Sh NAME @@ -291,10 +291,14 @@ This tunable establishes the default PAUSE settings fo Settings can be displayed and controlled on a per-port basis via the dev..X.pause_settings sysctl. .It Va hw.cxgbe.fec -FEC (Forward Error Correction) settings. +Forward Error Correction settings. +-1 (default) means driver should automatically pick a value. 0 disables FEC. -Bit 0 enables RS FEC, bit 1 enables BASE-R FEC (aka Firecode FEC). -The default is -1 which lets the driver pick a value. +Finer grained control can be achieved by setting individual bits. +Bit 0 enables RS FEC, bit 1 enables BASE-R FEC (aka Firecode FEC), bit +2 enables NO FEC, and bit 6 enables the FEC that is recommended by the +transceiver/cable that is plugged in. +These bits can be set together in any combination. This tunable establishes the default FEC settings for all ports. Settings can be displayed and controlled on a per-port basis via the dev..X.fec sysctl.