Commit 5d7db98a authored by Jedrzej Jagielski's avatar Jedrzej Jagielski Committed by Zheng Zengkai
Browse files

i40e: Fix incorrect netdev's real number of RX/TX queues

stable inclusion
from stable-v5.10.91
commit c859c4de0bd7f97415569d4c4febd6316701b31a
bugzilla: 186187 https://gitee.com/openeuler/kernel/issues/I4SI2C

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c859c4de0bd7f97415569d4c4febd6316701b31a



--------------------------------

commit e738451d upstream.

There was a wrong queues representation in sysfs during
driver's reinitialization in case of online cpus number is
less than combined queues. It was caused by stopped
NetworkManager, which is responsible for calling vsi_open
function during driver's initialization.
In specific situation (ex. 12 cpus online) there were 16 queues
in /sys/class/net/<iface>/queues. In case of modifying queues with
value higher, than number of online cpus, then it caused write
errors and other errors.
Add updating of sysfs's queues representation during driver
initialization.

Fixes: 41c445ff ("i40e: main driver core")
Signed-off-by: default avatarLukasz Cieplicki <lukaszx.cieplicki@intel.com>
Signed-off-by: default avatarJedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: default avatarGurucharan G <gurucharanx.g@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarChen Jun <chenjun102@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent d05d135e
Loading
Loading
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Please to comment