+Ido. On Mon, 2015-12-14 at 13:58 +0100, Janusz Dziedzic wrote: > Base of SUPPORTS_CLONED_SKBS description, we can set this flag > in case driver will not touch payload or tailroom. > What exactly does it mean? Well, you must not modify the data in a way that would make the clone invalid. That means you can't write to any of the data, essentially. > What in case of headroom, while ath9k already move 80211 header - add > padding > after header (skb_push(hdrlen & 3) + memmove) and remove this padding > in tx_completion. I think that should be OK since you don't touch the payload data or the tailroom. > What in case of FCS? What about it? Hopefully that's added by hardware and has no effect on the skb?! johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html