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Diffstat (limited to 'doc/guides/nics/virtio.rst')
| -rw-r--r-- | doc/guides/nics/virtio.rst | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/doc/guides/nics/virtio.rst b/doc/guides/nics/virtio.rst index ca09cd20..a42d1bb3 100644 --- a/doc/guides/nics/virtio.rst +++ b/doc/guides/nics/virtio.rst @@ -234,7 +234,7 @@ By default, the non-vector callbacks are used: Vector callbacks will be used when: -* ``txq_flags`` is set to ``VIRTIO_SIMPLE_FLAGS`` (0xF01), which implies: +* ``txmode.offloads`` is set to ``0x0``, which implies: * Single segment is specified. @@ -252,7 +252,7 @@ The corresponding callbacks are: Example of using the vector version of the virtio poll mode driver in ``testpmd``:: - testpmd -l 0-2 -n 4 -- -i --txqflags=0xF01 --rxq=1 --txq=1 --nb-cores=1 + testpmd -l 0-2 -n 4 -- -i --tx-offloads=0x0 --rxq=1 --txq=1 --nb-cores=1 Interrupt mode @@ -318,3 +318,16 @@ Here we use l3fwd-power as an example to show how to get started. $ l3fwd-power -l 0-1 -- -p 1 -P --config="(0,0,1)" \ --no-numa --parse-ptype + + +Virtio PMD arguments +-------------------- + +The user can specify below argument in devargs. + +#. ``vdpa``: + + A virtio device could also be driven by vDPA (vhost data path acceleration) + driver, and works as a HW vhost backend. This argument is used to specify + a virtio device needs to work in vDPA mode. + (Default: 0 (disabled)) |