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Re: [RFC] cfg80211: Add link_id to various key operations for MLO

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On 30 July 2022 07:47:40 CEST, Veerendranath Jakkam <quic_vjakkam@xxxxxxxxxxx> wrote:
>
>On 7/14/2022 1:52 AM, Johannes Berg wrote:
>> 
>>> + *	%NL80211_ATTR_MLO_LINK_ID, If %NL80211_ATTR_MLO_LINK_ID is not present
>>> + *	the specified key index data should be deleted for all the links.
>> really? for all the links seems... complicated?
>
>
>Thought delete key operation can be optimized in some cases with single request to delete group keys

Honestly, you don't even need to delete keys explicitly, when stopping AP or disconnecting it'll be done automatically anyway. So if you want to optimise, particularly wrt. RCU delays, don't delete the keys at all. I think at some point years ago we wanted to add a flag to nl80211 but not sure we did. But we can do that. 

And in normal operation you never remove keys anyway, just overwrite them with new ones. 

johannes 
-- 
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