Date: Tue, 10 Dec 2019 20:51:28 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355597 - head/share/man/man4 Message-ID: <201912102051.xBAKpShA038828@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
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.<port>.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.<port>.X.fec sysctl.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201912102051.xBAKpShA038828>