On Thu, 2012-09-20 at 15:22 +0200, Eric Dumazet wrote:
> On Thu, 2012-09-20 at 16:22 +0300, Artem Bityutskiy wrote:
>
> >
> > OK, I've tried almost this (see below) and it solves my issue:
> >
> > diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
> > index 965e6ec..7f079d0 100644
> > --- a/net/mac80211/rx.c
> > +++ b/net/mac80211/rx.c
> > @@ -1798,9 +1798,13 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
> >
> > if (skb) {
> > /* deliver to local stack */
> > - skb->protocol = eth_type_trans(skb, dev);
> > - memset(skb->cb, 0, sizeof(skb->cb));
> > - netif_receive_skb(skb);
> > + if (pskb_may_pull(skb, 40)) {
> > + skb->protocol = eth_type_trans(skb, dev);
> > + memset(skb->cb, 0, sizeof(skb->cb));
> > + netif_receive_skb(skb);
> > + } else {
> > + kfree_skb(skb);
> > + }
> > }
> > }
> >
>
> OK but you cant do that, or small frames will be dropped.
>
> Anyway its a hack, we should find the buggy layer.
>
> You could use dropwatch (drop_monitor) to check where frame is dropped.
>
> modprobe drop_monitor
> dropwatch -l kas
I do not have dropwatch in Tizen, I need to find the sources and compile
the user-space part. Any hint where to download it?
--
Best Regards,
Artem Bityutskiy
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