Hi Simon, On Fri, Sep 19, 2014 at 01:44:38PM +0100, Simon Vincent wrote: ... > >mhh, take a look on skb_unshare - make a copy of a shared buffe [0]. > > > >Seems that we could use that to have a copy of the buffer. Don't know if > >this can work, because we are inside of callback and the caller lost the > >reference then. > I tried that earlier! Didn't work as we lost the reference as you say. > I think if we do it inside lowpan_xmit like you do in your rework we might > be ok. I will have a go. > Yea, with combination of lowpan_xmit and do a: skb = skb_unshare(skb, GFP_ATOMIC); it's woooorrkkinnnnggg. Output now is: send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] send_raw_icmp[fe80::2->ff02::1] (on if: 4): Success recv_raw_icmp[fe80::2%lowpan0->?] Thanks! If you like you can create a patch for the rework branch, then I will send it when the rework is finished. So combination what we always talked about solved this issue, crazy... - Alex -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
