On Fri, 2009-11-27 at 17:20 +0800, Johannes Berg wrote: > Is it? I don't think so. Many drivers go up beyond that as far as I > know. Then some do different things like putting it in a different DMA > block. > > > While for those drivers really need a bigger > > extra headroom and support Rx aggregation, this probably means > > ieee80211_skb_resize. But the resize should always happen for every > > packet from the IP stack, right? > > No, davem and I optimised that away a long time ago via using > netdev->needed_headroom and netdev->needed_tailroom. It even works for > bridges and their slave devices, iirc. I missed this. Will check it. If so, I'll add another parameter to pass the extra hw tx headroom to ieee80211_asmdu_to_8023s. Thanks, -yi -- 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
