Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx> writes: > This series is intended as a playground to start experimenting/developing > with XDP/eBPF over WiFi and collect ideas/concerns about it. > Introduce XDP support to mt76x2e/mt76x0e drivers. Currently supported > actions are: > - XDP_PASS > - XDP_ABORTED > - XDP_DROP > Introduce ndo_bpf mac80211 callback in order to to load a bpf > program into low level driver XDP rx hook. > This series has been tested through a simple bpf program (available here: > https://github.com/LorenzoBianconi/bpf-workspace/tree/master/mt76_xdp_stats) > used to count frame types received by the device. > Possible eBPF use cases could be: > - implement new statistics through bpf maps > - implement fast packet filtering (e.g in monitor mode) > - ... This is most likely a stupid question, but why do this in the driver and not in mac80211 so that all drivers could benefit from it? I guess there are reasons for that, I just can't figure that out. -- Kalle Valo
