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IXV(4) NetBSD Kernel Interfaces Manual IXV(4)
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by Kimmo Suominen.
Based on man-cgi by Panagiotis Christias.
ixv -- Intel 10 Gigabit Ethernet virtual function
ixv* at pci? dev ? function ?
The ixv 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.
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 * (num-
ber of rx descriptors). The total number of clus-
ters per queue is available with the
arp(4), ixg(4), netintro(4), vlan(4), ifconfig(8)
The ixv device driver comes from FreeBSD. It first appeared in
The ixv driver was written by Intel Corporation
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
NetBSD 9.2 March 9, 2021 NetBSD 9.2