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author | gnn <gnn@FreeBSD.org> | 2014-09-30 20:38:36 +0000 |
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committer | gnn <gnn@FreeBSD.org> | 2014-09-30 20:38:36 +0000 |
commit | 5f81cfe2060ccb21f91d5cc4cb43ca8553f213ef (patch) | |
tree | b6d07089a86fc95842031912d8e72cf0e4e53c12 /share/man/man4/sfxge.4 | |
parent | a529132c6faa750b91229e2505041b67ca8bc468 (diff) | |
download | FreeBSD-src-5f81cfe2060ccb21f91d5cc4cb43ca8553f213ef.zip FreeBSD-src-5f81cfe2060ccb21f91d5cc4cb43ca8553f213ef.tar.gz |
Update SolarFlare driver manual page with new tunables.
Submitted by: Andrew Rybchenko <arybchenko at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Diffstat (limited to 'share/man/man4/sfxge.4')
-rw-r--r-- | share/man/man4/sfxge.4 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/share/man/man4/sfxge.4 b/share/man/man4/sfxge.4 index 5e4935d..452f0d7 100644 --- a/share/man/man4/sfxge.4 +++ b/share/man/man4/sfxge.4 @@ -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: |