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mbissaromoto
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Apr 10, 2025
Hit following issue of link switch when LL-SAP existed.
1. Link switch was received on VDEV-1 (partner link).
a. Link switch cmd was added to serial active queue, existing peer
was deleted as part of link switch disconnect.
b. Link switch connect started but got deferred due to LL-SAP Bearer
switch transition, when WLAN_CM_SM_EV_BEARER_SWITCH_COMPLETE
received, a new connect cmd was added to serial pending queue,
link switch was blocked here.
2. Disconnect from userspace was received
a. The disconnect on VDEV-1 here notified MLO-manager to terminate
ongoing link switch.
b. Link switch confirmation was sent to F/W as failure.
c. link switch cmd was removed from serial active queue.
3. Connect cmd queued in #1.b was activated and moved VDEV-1 state to
connecting.
a. New peer got created but PE session wasn't yet created.
b. Disconnect from #2.a changed the VDEV-1 state from connecting to
disconnecting.
c. While processing the disconnect in #3.b, peer delete for the peer
created in #3.a didn’t happen as disconnect didn’t proceed when pe
session not found.
To fix it, for link switch, don't add new connect cmd to serial queue
after LL-SAP Bearer switch since link switch cmd is queued already.
1. Link switch is received on VDEV-1 (partner link).
a. links witch cmd was added serial active queue, existing peer
gets deleted as part of link switch disconnect.
b. Link switch connect starts but gets deferred due to LL-SAP Bearer
switch transition, WLAN_CM_SM_EV_CONNECT_ACTIVE is sent after
WLAN_CM_SM_EV_BEARER_SWITCH_COMPLETE received, bss peer creat cmd
is sent to F/W.
2. Disconnect from userspace is received when link switch unfinished.
a. The disconnect on VDEV-1 here notified MLO-manager to terminate
ongoing link switch.
b. If BSS peer created, mlme_cm_bss_peer_delete_req will be called to
delete it.
c. Link switch confirmation is sent to F/W as failure.
d. link switch cmd is removed from serial active queue.
Change-Id: I13ba820bd0240d062c7cd47ec0e53ae1a27d5b58
CRs-Fixed: 3752437
mbissaromoto
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Nov 6, 2025
Host driver sends the same bss for both assoc and partner links, leading to undesired behavior in kernel. Scenario: 1) Host driver fills the assoc bss in link id 0 to handle roamed indication for the legacy connections. 2) The assoc link bss is filled in link idx 1. 3) The patner link bss is not found, therefore not filled in link idx 0. 4) The assoc bss filed in #1 to handle legacy connection gets retained. Therefore, host ends up sending same bss for two links. To fix this, reset the bss entry on the link index of the partner link in the roamed indication if the bss is not found. Change-Id: I9e941e4a9ff9760ada4c8c42015c925cc08b528a CRs-Fixed: 4106746
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Hola!
Somos un grupo de estudiantes de la Universidad Complutense de Madrid (UCM) y estamos
haciendo una campaña de concienciación sobre el uso de licencias.
Razones por las que usar una licencia:
En el siguiente video se explican los tipos de licencias para que puedas escoger una que se adapte a tus necesidades
Hemos elegido la licencia MIT para este pull request. En este link puedes encontrar mas informacion sobre esta licencia
Gracias por tu atención! Esperamos que te haya servido de ayuda
Hello!
We are a group of students of Universidad Complutense de Madrid (UCM) and we are working on an awareness campaign about types and uses of licences.
There are many reasons to use licences in your code:
It's EASY to use: choose the licence, copy the generic text and ready! Now you can use it in your projects You can found more information in the following link
You LIMIT the uses of your code, in this way you will avoid possible legal problems about copies and plagiarism
Share is power! The freeware licences give to you credit all the time. Allow third people use it with YOUR conditions
The following youtube link show the existing types of licences to choose one which adapt better to your needs
We have chosen MIT license for this pull request. In this link, you can get more information about this license
Thank you a lot for your attention! We hope you the contents has been helpful