NAME
ixv —
Intel 10 Gigabit Ethernet virtual
function
SYNOPSIS
ixv* at pci? dev ? function ?
DESCRIPTION
Theixv driver supports Intel 10 Gigabit Ethernet
virtual function that 82599 and newer chips support. It can be used on a
NetBSD guest that the host supports SR-IOV.
OPTIONS
The ixv driver doesn't use the common
MCLGET(9) interface and use the driver specific cluster allocation
mechanism. If it's exhausted, the
evcnt(9) counter "ixgX qY Rx no jumbo mbuf" is incremented.
If this is observed, the number can be changed by the following config
parameter:
IXGBE_JCLNUM_MULTI- The number of RX jumbo buffers (clusters) per queue is calculated by
IXGBE_JCLNUM_MULTI* (number of rx descriptors). The total number of clusters per queue is available with thehw.ixgN.num_jcl_per_queuesysctl(7).
SEE ALSO
HISTORY
The ixv device driver comes from
FreeBSD. It first appeared in
NetBSD 8.0.
AUTHORS
The ixv driver was written by
Intel Corporation
<freebsdnic@mailbox.intel.com>.
BUGS
The following event counters are not cleared by
SIOCZIFDATA because the corresponding registers are
read only and not cleared on read:
- Good Packets Received
- Good Octets Received
- Multicast Packets Received
- Good Packets Transmitted
- Good Octets Transmitted