Date: Tue, 11 Oct 2011 15:41:07 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r226263 - head/share/man/man4 Message-ID: <201110111541.p9BFf8ng021952@svn.freebsd.org>
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Author: glebius Date: Tue Oct 11 15:41:07 2011 New Revision: 226263 URL: http://svn.freebsd.org/changeset/base/226263 Log: Properly document default number of rx/tx descriptors for Intel cards. Modified: head/share/man/man4/em.4 head/share/man/man4/igb.4 Modified: head/share/man/man4/em.4 ============================================================================== --- head/share/man/man4/em.4 Tue Oct 11 15:04:58 2011 (r226262) +++ head/share/man/man4/em.4 Tue Oct 11 15:41:07 2011 (r226263) @@ -31,7 +31,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 14, 2010 +.Dd October 11, 2010 .Dt EM 4 .Os .Sh NAME @@ -199,12 +199,14 @@ prompt before booting the kernel or stor .Bl -tag -width indent .It Va hw.em.rxd Number of receive descriptors allocated by the driver. -The default value is 256. +The default 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. .It Va hw.em.txd Number of transmit descriptors allocated by the driver. -The default value is 256. +The default 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. .It Va hw.em.rx_int_delay Modified: head/share/man/man4/igb.4 ============================================================================== --- head/share/man/man4/igb.4 Tue Oct 11 15:04:58 2011 (r226262) +++ head/share/man/man4/igb.4 Tue Oct 11 15:41:07 2011 (r226263) @@ -31,7 +31,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 14, 2010 +.Dd October 11, 2011 .Dt IGB 4 .Os .Sh NAME @@ -151,11 +151,11 @@ prompt before booting the kernel or stor .Bl -tag -width indent .It Va hw.igb.rxd Number of receive descriptors allocated by the driver. -The default value is 256. +The default value is 1024. The minimum is 80, and the maximum is 4096. .It Va hw.igb.txd Number of transmit descriptors allocated by the driver. -The default value is 256. +The default value is 1024. The minimum is 80, and the maximum is 4096. .It Va hw.igb.enable_aim If set to 1, enable Adaptive Interrupt Moderation.
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