On Wed, 2012-05-30 at 09:04 -0700, Ben Greear wrote: > > There used to be bugs in this area in mac80211 and/or pktgen, and I > > remember crashing my machine very trivially. I don't think that this is > > still a problem though, but I haven't tried in a long time. FWIW, the > > time-frame of this must've been ~2-3 years ago. > > I think it's still broken..I've been carrying this patch for a year or two: > > From 5ad8e96ace28d798214ba6e203d143e6380e0605 Mon Sep 17 00:00:00 2001 > From: Ben Greear <greearb@xxxxxxxxxxxxxxx> > Date: Tue, 14 Jun 2011 11:01:50 -0700 > Subject: [PATCH 016/102] mac80211: Set up tx-queue-mapping in subif_start_xmit. > > Otherwise, ath9k gets confused about which queue to use > and spews a warning like this when driving traffic with > pktgen. > diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c > index e05667c..1f026b5 100644 > --- a/net/mac80211/tx.c > +++ b/net/mac80211/tx.c > @@ -2072,6 +2072,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, > } else > memcpy(skb_push(skb, hdrlen), &hdr, hdrlen); > > + skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, skb)); Looks like pktgen then doesn't care about the select_queue() call which should be called before start_xmit 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
