> From: yanjun.zhu@xxxxxxxxx <yanjun.zhu@xxxxxxxxx> > Sent: Wednesday, October 26, 2022 11:08 PM > > October 27, 2022 11:01 AM, "Parav Pandit" <parav@xxxxxxxxxx> wrote: > > >> From: Dust Li <dust.li@xxxxxxxxxxxxxxxxx> > >> Sent: Wednesday, October 26, 2022 10:31 PM > >> > >> 2. else we are in > >> exclusive mode. When the corresponding netdevice of the RoCE or iWarp > >> device is moved from one net namespace to another, we move the RDMA > >> device into that net namespace > >> > >> What do you think ? > > > > No. one device is not supposed to move other devices. > > Every device is independent that should be moved by explicit command. > > Can you show us where we can find this rule "Every device is independent > that should be moved by explicit command."? > > > > > Also changes like above breaks the existing orchestration, it no-go. > > In a RoCE device, ib device is related with the net device. When a net device > is moved to a new net namespace, if the ib device is not in the same net > device, how to make ib device work? RDMA device should also be moved to the same net namespace as that of netdev. Steps should be, $ rdma system set netns exclusive $ ip netns add NSNAME $ ip link set [NETDEV] netns NSNAME $ rdma dev set [ RDMA_DEV ] netns NSNAME
