Re: [tcpdump-workers] [tcpdump] IEEE float decoded incorrectly (#333)

2013-10-11 Thread Denis Ovsienko
01.10.2013, 06:11, Michael Richardson m...@sandelman.ca: from https://github.com/the-tcpdump-group/tcpdump/issues/333 details an issue where differences in arch and compiler result in different extractions of floating point objects in LMP packets. Guy discovers it has something to do with

[tcpdump-workers] Can libpcap affect speed of packets sending/recieving?

2013-10-11 Thread Sergey Gomanyuk
Hi, I wonder if libpcap can somehow affect speed of processing packets by TCP/IP stack? I noticed that such behavior can happen in particular Linux environments with high traffic load - without capturing all is Ok, with capturing (especially on any interface) it seems that packets stuck in

Re: [tcpdump-workers] [libpcap] OR'ing vlans impossible in tcpdump filter (#158)

2013-10-11 Thread Michael Richardson
Please take this discussion to the tcpdump-workers list. shohamp writes: This commit by @yuguy explains this issue very well. yacc parsers the bpf from left to right without saving the state, and doesn't provide a tree of some kind, which would allow an easy solution. @yuguy says