[PATCH 1/3] wifi: mac80211: add support to allow driver to generate local link address for station
Wen Gong
quic_wgong at quicinc.com
Fri Sep 15 01:11:32 PDT 2023
On 9/13/2023 4:55 PM, Johannes Berg wrote:
> On Wed, 2023-09-06 at 06:34 -0400, Wen Gong wrote:
[...]
> Maybe after all this explanation, all we need is a flag "reuse MLD
> address for assoc link"?
yes. It is similar as I said before here:
https://lore.kernel.org/linux-wireless/b9c6d022-12c3-a696-c4b9-cb14a6d30a45@quicinc.com/
>
>
>> + ret = drv_generate_link_addr(sdata->local, sdata,
>> + link_id, link->conf->addr);
>> + if (ret)
>> + eth_random_addr(link->conf->addr);
> should probably refactor this into a separate function though.
OK.
>
> I'm also not sure how the driver even knows that a link it's being asked
> to get the address for *is* the assoc link? Do you want to rely on that
> being the first address handed out?
Current I used (vif->valid_links==0) check for assoc link. When
drv_generate_link_addr() called for the assoc link, vif->valid_links
is 0, and it is not 0 for other links.
>
> johannes
>
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