[tcpdump-workers] Where are the packets going?

2013-12-17 Thread Luís Correia
Hi guys, I'm doing a simple packet capture and process stuff in wifi using openwrt. (Atheros AR7240 CPU, Atheros AR9331 integrated wifi) When I create a monitor interface using iw I can see the captured packets in ifconfig or /proc/net/dev. The thing is, it works A LOT better if I also generat

Re: [tcpdump-workers] Missing packet fields in big endian with ath9k

2013-04-28 Thread Luís Correia
On Apr 27, 2013 11:59 PM, "Guy Harris" wrote: > > > On Apr 27, 2013, at 3:26 PM, Luis Correia wrote: > > > Im getting DLT_IEEE802_11_RADIO. Is this ok? > > Yes. That means you have a Radiotap header. > > > About the rssi values I managed to get them by teaching myself little endian vs big endian

Re: [tcpdump-workers] Missing packet fields in big endian with ath9k

2013-04-28 Thread Luís Correia
On Apr 28, 2013 6:23 AM, "Denis Ovsienko" wrote: > > > Im getting DLT_IEEE802_11_RADIO. Is this ok? > > Hello. > > This issue with DLT_IEEE802_11_RADIO and the frame being offset by 4 octets may have something in common with another issue: > > https://github.com/the-tcpdump-group/tcpdump/issues/30