[PATCH v3] doc: add note for builtin-net-driver option
From: Marvin Liu <hidden>
Date: 2018-07-31 08:16:04
Subsystem:
the rest · Maintainer:
Linus Torvalds
Very simple version of vhost-user driver in vhost sample will be used if builtin-net-driver option is enabled. This driver is based on generic vhost lib APIs. Unfortunately, the implementation is incompatible with QEMU as protocol feature is not supported. Signed-off-by: Marvin Liu <redacted>
diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst
index 9112e7897..fd42cb3f7 100644
--- a/doc/guides/sample_app_ug/vhost.rst
+++ b/doc/guides/sample_app_ug/vhost.rst@@ -158,6 +158,10 @@ when disabling VLAN strip. Such feature, which heavily depends on hardware, should be removed from this example to reduce confusion. Now, VLAN strip is enabled and cannot be disabled. +**--builtin-net-driver** +A very simple vhost-user net driver which demonstrates how to use the generic +vhost APIs will be used when this option is given. It is disabled by default. + Common Issues -------------
@@ -192,3 +196,8 @@ Common Issues according to the NIC's property. :: make EXTRA_CFLAGS="-DMAX_QUEUES=320" + +* Option "builtin-net-driver" is incompatible with QEMU + + QEMU vhost net device start will fail if protocol feature is not negotiated. + DPDK virtio-user pmd can be the replacement of QEMU.
--
2.17.0