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| author |   Luca Boccassi <luca.boccassi@gmail.com> | 2018-11-01 11:59:50 +0000 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-11-01 12:00:19 +0000 |
| commit | 8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch) | |
| tree | 208e3bc33c220854d89d010e3abf720a2e62e546 /doc/guides/howto/virtio_user_as_exceptional_path.rst | |
| parent | b63264c8342e6a1b6971c79550d2af2024b6a4de (diff) | |
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'doc/guides/howto/virtio_user_as_exceptional_path.rst')
| -rw-r--r-- | doc/guides/howto/virtio_user_as_exceptional_path.rst | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/doc/guides/howto/virtio_user_as_exceptional_path.rst b/doc/guides/howto/virtio_user_as_exceptional_path.rst index 6a13c761..4910c12d 100644 --- a/doc/guides/howto/virtio_user_as_exceptional_path.rst +++ b/doc/guides/howto/virtio_user_as_exceptional_path.rst @@ -57,8 +57,8 @@ compiling the kernel and those kernel modules should be inserted. $(testpmd) -l 2-3 -n 4 \ --vdev=virtio_user0,path=/dev/vhost-net,queue_size=1024 \ - -- -i --txqflags=0x0 --enable-lro \ - --enable-rx-cksum --rxd=1024 --txd=1024 + -- -i --tx-offloads=0x0000002c --enable-lro \ + --txd=1024 --rxd=1024 This command runs testpmd with two ports, one physical NIC to communicate with outside, and one virtio-user to communicate with kernel. @@ -69,11 +69,6 @@ compiling the kernel and those kernel modules should be inserted. VIRTIO_NET_F_GUEST_TSO6 feature so that large packets from kernel can be transmitted to DPDK application and further TSOed by physical NIC. -* ``--enable-rx-cksum`` - - This is used to negotiate VIRTIO_NET_F_GUEST_CSUM so that packets from - kernel can be deemed as valid Rx checksumed. - * ``queue_size`` 256 by default. To avoid shortage of descriptors, we can increase it to 1024. @@ -86,9 +81,17 @@ compiling the kernel and those kernel modules should be inserted. $(testpmd) -l 2-3 -n 4 \ --vdev=virtio_user0,path=/dev/vhost-net,queues=2,queue_size=1024 \ - -- -i --txqflags=0x0 --enable-lro \ - --enable-rx-cksum --txq=2 --rxq=2 --rxd=1024 \ - --txd=1024 + -- -i --tx-offloads=0x0000002c --enable-lro \ + --txq=2 --rxq=2 --txd=1024 --rxd=1024 + +#. Enable Rx checksum offloads in testpmd: + + .. code-block:: console + + (testpmd) port stop 0 + (testpmd) port config 0 rx_offload tcp_cksum on + (testpmd) port config 0 rx_offload udp_cksum on + (testpmd) port start 0 #. Start testpmd: |