From fd6bb284319db2c04466a683e401adb608bc468f Mon Sep 17 00:00:00 2001 From: Dan Andresan Date: Wed, 2 Sep 2020 15:31:37 +0200 Subject: Updated release info Change-Id: I126b159177604b14179bb100f7bb0d3dda6907fa Signed-off-by: Dan Andresan --- .gitreview | 4 +-- .../doc/known_bugs_and_limitations.xml | 34 ++++++++++++---------- 2 files changed, 21 insertions(+), 17 deletions(-) diff --git a/.gitreview b/.gitreview index 30e070b..ef53a12 100644 --- a/.gitreview +++ b/.gitreview @@ -1,5 +1,5 @@ [gerrit] host=gerrit.enea.se port=29418 -project=linux/el_releases-nfv-access -defaultbranch=rocko +project=linux/nfv-access-documentation +defaultbranch=develop diff --git a/doc/book-enea-nfv-access-release-info/doc/known_bugs_and_limitations.xml b/doc/book-enea-nfv-access-release-info/doc/known_bugs_and_limitations.xml index 0980783..ec2c584 100644 --- a/doc/book-enea-nfv-access-release-info/doc/known_bugs_and_limitations.xml +++ b/doc/book-enea-nfv-access-release-info/doc/known_bugs_and_limitations.xml @@ -120,22 +120,26 @@ within same security domain (e.g. host system or VNF). Therefore it is not possible to bind only some of them to the vfio-pci driver, while the rest are managed by other - drivers. In this case the igb_uio driver will be used + drivers. In this case the igb_uio driver shall be used instead for the entire IOMMU group. - If UEFI Secure Boot is enabled, the Linux kernel disallows the use - of the UIO framework, therefore network devices intended for use by DPDK - must be bound to the vfio-pci driver rather than the - igb_uio. However, the limitation stated above still - applies so all the interfaces must be assigned to - vfio-pci. - - When an in-band management bridge is configured with DPDK enabled, - the igb_uio driver is used. If the in-band management - interface is assigned to a VM, and there are other interfaces assigned - to the VM that use the vfio-pci driver (this includes - SR-IOV interfaces and PCI passthrough interfaces), then the VM must be - stopped before restarting the vCPE service on the device + Driver selection for DPDK-assigned interfaces is a system-wide + configuration, therefore selecting igb_uio + or vfio-pci when adding a DPDK interface will not + influence the actual driver used. In this release, NFV Access runtime + software is using vfio-pci driver by default, but + igb_uio can be used instead by providing custom + scripting. Please contact Enea for further details. + Using both igb_uio driver for DPDK interfaces + and vfio-pci for SR-IOV/PCI-Passthrough is possible, + but not recomended, as it might not be supported by some hardware + configurations. + + When an in-band management bridge uses the + igb_uio driver and the VM connected to the bridge has + other interfaces that use the vfio-pci driver (e.g. + SR-IOV/PCI-Passthrough), then the VM must be stopped before restarting + the vCPE service on the device (systemctl restart vcpe). Rebooting the device does not have this restriction. @@ -170,4 +174,4 @@ - \ No newline at end of file + -- cgit v1.2.3-54-g00ecf