netdev - Re: [PATCH net 02/15] ibmvnic: process HMC disable command

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Date:   Sun, 22 Nov 2020 07:12:38 -0800
From:   drt <drt@...ux.vnet.ibm.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Lijun Pan <ljp@...ux.ibm.com>, netdev@...r.kernel.org,
        sukadev@...ux.ibm.com, drt@...ux.ibm.com
Subject: Re: [PATCH net 02/15] ibmvnic: process HMC disable command

On 2020-11-21 15:36, Jakub Kicinski wrote:
> On Fri, 20 Nov 2020 16:40:36 -0600 Lijun Pan wrote:
>> From: Dany Madden <drt@...ux.ibm.com>
>> 
>> Currently ibmvnic does not support the disable vnic command from the
>> Hardware Management Console. This patch enables ibmvnic to process
>> CRQ message 0x07, disable vnic adapter.
> 
> What user-visible problem does this one solve?
This allows HMC to disconnect a Linux client from the network if the 
vNIC adapter is misbehaving and/or sending malicious traffic. The effect 
is the same as when a sysadmin sets a link down (ibmvnic_close()) on the 
Linux client. This patch extends this ability to the HMC.

Thanks!
Dany