** Description changed:
Eyal Perry (~eyalpe) writes:
[Impact]
When enabling SR-IOV on Mellanox devices and setting vxlan tunnel over the PF
device (adding vxlan port to an OVS bridge),
the kernel is crashing as result of the unimplemented ndos:
.ndo_{add,del}_vxlan_port
[Fix]
This issue was fixed in upstream kernel:
9737c6a net/mlx4_en: Add VXLAN ndo calls to the PF net device ops too
~/linux$ git describe --contains 9737c6ab7afbc950e997ef80cba2c40dbbd16ea4
v3.18-rc6~9^2~12
I've backported it to 3.16 (by removing the "yet to be introduced"
ndo_gso_check) and attached the backported version here.
The patch was built and tested on top of ubuntu-trusty: abb1293
("UBUNTU: Ubuntu-lts-3.16.0-29.39~14.04.1")
- This only affect 3.16 since it has the VLAN features.
-
[Test Case]
Use the affected Mellanox device w/ an Ubuntu 3.16 kernel. Setup vxlan tunnel
over PF device. This should succeed.
** Changed in: linux (Ubuntu Trusty)
Assignee: (unassigned) => Chris J Arges (arges)
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Trusty)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1407760
Title:
[SRU][PATCH] [Utopic] Kernel crash when setting vxlan tunnel over the
mlx4_en when acting as PF
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