> The wcn36xx driver fails to rejoin a mesh network after a loss of > connectivity. I plan to send patches with our work-around for > comments. The issue appears to be firmware related, because after a > node "leaves" (that is, gets locked in an RF chamber) the firmware > sends wcn36xx an "indication" that the STA has left. This indication > makes it look like the firmware and mac80211 are out of sync, because > once the node rejoins, it is able to peer, but no traffic will be > routed to the node
For further clarification on the above issue, once the mesh network is setup, the QoS NULL frame (keep alive or monitoring?) are sent among the mesh STAs. When the QoS NULL frame is not ACKed by peer mesh STA, the wcn36xx_smd_delete_sta_context_ind is triggered to delete the peer mesh STA. However, this mechanism is not required for mesh since mac80211 will take care of this. ----- Chun-Yeow
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