> > Hmm. The disconnect between truesize and skb->len+sizeof(*skb) was > > usually 17 or 19 bytes and sizeof(*rthdr) is only 11. On the other hand, > > I don't see where the other bytes should be coming from. I'll give this > > a try, thanks. Even when I explicitly set truesize (rather than adjusting it as you did) I still get a disconnect. > Grrr, I bet it's coming from a combination of the > skb_set_mac_header(skb, 0); call done by mac80211 and the skb_push() > calls in net/packet/af_packet.c > > davem@sunset:~/src/GIT/net-2.6$ egrep skb_push net/packet/af_packet.c > skb_push(skb, skb->data - skb_mac_header(skb)); > skb_push(skb, skb->data - skb_mac_header(skb)); > skb_push(skb, skb->data - skb_mac_header(skb)); But mac80211 does set_mac_header(0) so this should just push zero bytes, no? johannes
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