Re: Intel 10Gb

2010-05-08 Thread Murat Balaban
Much of the FreeBSD networking stack has been made parallel in order to cope with high packet rates at 10 Gig/sec operation. I've seen good numbers (near 10 Gig) in my tests involving TCP/UDP send/receive. (latest Intel driver). As far as BPF is concerned, above statement does not hold true, si

read mostly locks and interrupt handlers

2010-04-21 Thread Murat Balaban
Hello net@ folks, I came across some performance problems with BPF on 10G links, and have been investigating more on this. The first thing I noticed is that, bpf_if structures are protected with a mutex. I was wondering if that has been done for a special purpose, i.e. rmlocks are not allowed to

Re: scaning the local network with arping/sh script

2005-04-25 Thread Murat Balaban
Hi, Did you check http://www.enderunix.org/knowlan/ ? What is Knowlan? Knowlan is ARP protocol based Local Area Network IP and MAC Adress Extractor. Knowlan uses libpcap and libnet libraries for to be simple to handle and to have a simple code for any interestor to deal with the code. To desc

Re: newbie: ethernet, ip header proble

2004-06-25 Thread Murat Balaban
On Fri, Jun 25, 2004 at 03:49:11AM -0700, kamal kc wrote: > Hi i am new to this mailing list. > > I have written a program to capture packets using pcap library routines. I have a > FreeBSD 5.1. The problem I faced was I successfully captured packets and parsed to > ethernet header and ip hea