On Wednesday, December 12, 2012 12:23:11 AM Solomon Peachy wrote: > On Fri, Jul 06, 2012 at 04:18:40PM -0400, John W. Linville wrote: > > IIRC it's because mac80211 doesn't provide a way of pre-allocating MIC > space at the tail end of the frame -- the hardware performs the work but > still needs the space in the payload. The code I'm maintaining has > workarounds for this; not the most efficient solution but I'd rather see > the code merged as-is, and then we can incrementally improve things > (perhaps by enhancing mac80211 as needed) Mac80211 already reserves at least 18 bytes tailroom [which can be allocated by a simple skb_put]. In fact p54 uses this tailroom to pass the MIC (8 bytes) + ICV (4 bytes) to the firmware. Do you need more than 18 bytes? Regards, Chr -- 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