Author: arybchik Date: Wed Mar 25 10:02:14 2015 New Revision: 280503 URL: https://svnweb.freebsd.org/changeset/base/280503
Log: MFC: 272329 Update SolarFlare driver manual page with new tunables. Submitted by: Andrew Rybchenko <arybchenko at solarflare.com> Sponsored by: Solarflare Communications, Inc. Modified: stable/10/share/man/man4/sfxge.4 Directory Properties: stable/10/ (props changed) Modified: stable/10/share/man/man4/sfxge.4 ============================================================================== --- stable/10/share/man/man4/sfxge.4 Wed Mar 25 10:01:07 2015 (r280502) +++ stable/10/share/man/man4/sfxge.4 Wed Mar 25 10:02:14 2015 (r280503) @@ -76,6 +76,32 @@ The .Nm driver supports all 10Gb Ethernet adapters based on Solarflare SFC9000 family controllers. +.Sh LOADER TUNABLES +Tunables can be set at the +.Xr loader 8 +prompt before booting the kernel or stored in +.Xr loader.conf 5 . +Actual values can be obtained using +.Xr sysctl 8 . +.Bl -tag -width indent +.It Va hw.sfxge.rx_ring +Maximum number of descriptors in a receive queue ring. +Supported values are: 512, 1024, 2048 and 4096. +.It Va hw.sfxge.tx_ring +Maximum number of descriptors in a transmit queue ring. +Supported values are: 512, 1024, 2048 and 4096. +.It Va hw.sfxge.tx_dpl_get_max +The maximum length of the deferred packet 'get-list' for queued transmit +packets, used only if the transmit queue lock can be acquired. +If packet is dropped, \fItx_early_drops\fR counter grows and local sender +gets ENOBUFS error. +Value must be greater than 0. +.It Va hw.sfxge.tx_dpl_put_max +The maximum length of the deferred packet 'put-list' for queued transmit +packets, used if the transmit queue lock cannot be acquired. +If packet is dropped, \fItx_early_drops\fR counter grows and local sender +gets ENOBUFS error. +Value must be greater or equal to 0. .Sh SUPPORT For general information and support, go to the Solarflare support website at: _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
