On Wed, Nov 17, 2010 at 4:07 PM, John W. Linville <linville@xxxxxxxxxxxxx> wrote: > On Wed, Nov 17, 2010 at 11:48:04AM +0100, Helmut Schaa wrote: > >> John, should I send a follow-up (with a nice description why it this is needed) >> or are you simply reverting this one? > > Is there no chance for a fix in short order? > I may have an idea on how we can fix this, without incurring the performance penalty. Basic idea is to no longer work on the original skb that mac80211 supplied us, but to use a copy of that skb. This would prevent us from having to undo any changes we did, as we can simply return the original skb to mac80211 (which wasn't modified in the first place). I'm not sure how this would impact performance, but it would allow us a lot less copying around to undo the changes done before uploading to the HW. However, I won't be able to look into that opportunity before the weekend. Helmut, can you wait that long and hold off reverting until then? --- Gertjan -- 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
