@@ -267,7 +267,7 @@ Representors are multi devices created on top of one PF.
For more information, refer to the `DPDK documentation`__.
-__ https://doc.dpdk.org/guides-21.11/prog_guide/switch_representation.html
+__ https://doc.dpdk.org/guides-21.11/prog_guide/switch_representation.html#port-representors
Prior to port representors there was a one-to-one relationship between the PF
and the eth device. With port representors the relationship becomes one PF to
@@ -287,18 +287,18 @@ address in devargs. For an existing bridge called ``br0`` and PCI address
When configuring a VF-based port, DPDK uses an extended devargs syntax which
has the following format::
- BDBF,representor=[<representor id>]
+ BDBF,representor=<representor identifier>
This syntax shows that a representor is an enumerated eth device (with
-a representor ID) which uses the PF PCI address.
-The following commands add representors 3 and 5 using PCI device address
+a representor identifier) which uses the PF PCI address.
+The following commands add representors of VF 3 and 5 using PCI device address
``0000:08:00.0``::
$ ovs-vsctl add-port br0 dpdk-rep3 -- set Interface dpdk-rep3 type=dpdk \
- options:dpdk-devargs=0000:08:00.0,representor=[3]
+ options:dpdk-devargs=0000:08:00.0,representor=vf3
$ ovs-vsctl add-port br0 dpdk-rep5 -- set Interface dpdk-rep5 type=dpdk \
- options:dpdk-devargs=0000:08:00.0,representor=[5]
+ options:dpdk-devargs=0000:08:00.0,representor=vf5
.. important::
@@ -1772,7 +1772,7 @@ static dpdk_port_t netdev_dpdk_get_port_by_devargs(const char *devargs)
}
/*
- * Normally, a PCI id (optionally followed by a representor number)
+ * Normally, a PCI id (optionally followed by a representor identifier)
* is enough for identifying a specific DPDK port.
* However, for some NICs having multiple ports sharing the same PCI
* id, using PCI id won't work then.
Since DPDK 21.05, the representor identifier now handles a relative VF offset. The legacy representor ID seems only valid in certain cases (first dpdk port). Link: https://github.com/DPDK/dpdk/commit/cebf7f17159a8 Signed-off-by: Robin Jarry <rjarry@redhat.com> --- Documentation/topics/dpdk/phy.rst | 12 ++++++------ lib/netdev-dpdk.c | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-)