On Tue, Jan 05, 2010 at 06:00:58PM +0100, Johannes Berg wrote: > Since I removed the master netdev, we've been > keeping internal queues only, and even before > that we never told the networking stack above > the virtual interfaces about congestion. This > means that packets are queued in mac80211 and > the upper layers never know, possibly leading > to memory exhaustion and other problems. > > This patch makes all interfaces multiqueue and > uses ndo_select_queue to put the packets into > queues per AC. Additionally, when the driver > stops a queue, we now stop all corresponding > queues for the virtual interfaces as well. > > The injection case will use VO by default for > non-data frames, and BE for data frames, but > downgrade any data frames according to ACM. It > needs to be fleshed out in the future to allow > chosing the queue/AC in radiotap. > > Reported-by: Lennert Buytenhek <buytenh@xxxxxxxxxxx> > Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxx [2.6.32] > --- > I know it's late, and large, but still would be good to have in .33 > since the issue is fairly serious. Obviously I'd like to see some testing. Lennert, does this patch resolve the issues you raised? John -- John W. Linville Someday the world will need a hero, and you linville@xxxxxxxxxxxxx might be all we have. Be ready. -- 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
