man em
hw.em.rxd
Number of receive descriptors allocated by the driver. The
default value is 256. The 82542 and 82543-based adapters can
handle up to 256 descriptors, while others can have up to
4096.
hw.em.txd
Number of transmit descriptors allocated by the driver. The
default value is 256. The 82542 and 82543-based adapters can
handle up to 256 descriptors, while others can have up to
4096.
and other things.
BTW i'm getting excellent performance from such card (PCIe, 1000Mbps/s)
with minimal CPU load
On Tue, 9 Jun 2009, Martin Badie wrote:
Hi,
On linux I can change ring parameters like:
/sbin/ethtool -G eth1 rx 4096
-G --set-ring
change the rx/tx ring parameters of the specified ethernet device.
how can I do that in FreeBSD so I can get a better performance from my interface
Regards.
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