trigger tx start routine when link goes up to prevent a lockup situation when send queue is full and no rx interrupt happen. initial diff and tests by erik lax, <erik at halon.se>, ok jsg
trigger tx start routine when link goes up to prevent a lockup
situation when send queue is full and no rx interrupt happen.
initial diff and tests by erik lax, <erik at halon.se>, ok jsg

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars