[Bro-Dev] snaplen and drops

[Seth Hall]

On Nov 3, 2011, at 8:58 AM, Lothar Braun wrote:

> I had a quick look at the libpcap (1.2.0) and the libdaq (0.6.2) code. It seems to me that both of them perform basically the same steps for packet acquisition.
> 
> Both create a socket PF_PACKET socket, both request a shared memory area on the capturing rx_ring. And both perform similar operations during packet acquisition:


Did you look int the os-daq-modules/daq_afpacket.c file?  DAQ implements the AF_PACKET support there.

  .Seth

--
Seth Hall
International Computer Science Institute
(Bro) because everyone has a network
http://www.bro-ids.org/