The mesh code provides mesh_plink_broken(), which needs to be called
when we detect excessive TX retries / errors, which indicate that the
current plink is no longer usable. That function will then send a
mesh Path Error as needed. The old rc80211_pid_algo called this but
Minstrel does not, and there are other RC algorithms as well. Is
there a generic and more correct place for us to detect a broken path
and call this function that fits in to the current design? Thanks,
-Andrey