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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: |
