Wireshark mailing list archives
Re: Query regarding Wireshark
From: Jeff Morriss <jeff.morriss.ws () gmail com>
Date: Mon, 28 Mar 2011 10:46:53 -0400
Martin Visser wrote:
Hmmm, obviously even on a multi-core machine the network drivers must be able to present packets to the OS network stack in the order on the wire. What mechanism allows libpcap to do thing in a different order. If what you are saying is correct, that has to be a major issue in libpcap?
Modern Solaris drivers are pretty aggressive about using multiple DMA channels to parallelize transfers to/from their NICs. It's probably the only way to saturate a 10-G NIC with their (numerous but) slow SPARC CPUs, but it can cause nightmares for software that was designed back when (e.g., UDP) packets rarely got out of order.
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Current thread:
- Query regarding Wireshark Gurpreet Singh (Mar 25)
- Re: Query regarding Wireshark Guy Harris (Mar 25)
- Re: Query regarding Wireshark Martin Visser (Mar 26)
- Re: Query regarding Wireshark Andrew Hood (Mar 26)
- Re: Query regarding Wireshark Guy Harris (Mar 26)
- Re: Query regarding Wireshark Martin Visser (Mar 26)
- Re: Query regarding Wireshark Guy Harris (Mar 26)
- Re: Query regarding Wireshark Martin Visser (Mar 26)
- Re: Query regarding Wireshark Guy Harris (Mar 25)
- Re: Query regarding Wireshark ronnie sahlberg (Mar 27)
- Re: Query regarding Wireshark Jeff Morriss (Mar 28)