On 12/01/2015 12:03 PM, Bruce Richardson wrote: > On Mon, Nov 30, 2015 at 05:16:55PM -0800, Stephen Hemminger wrote: >> On Mon, 30 Nov 2015 22:53:50 +0000 >> Kyle Larose <klarose at sandvine.com> wrote: >> >>> Hi Tim, >>> >>> On Mon, Nov 30, 2015 at 3:50 PM, O'Driscoll, Tim <tim.odriscoll at >>> intel.com> wrote: >>> >>>> Tcpdump Support: Support for tcpdump will be added to DPDK. This will >>>> improve usability and debugging of DPDK applications. >>> >>> I'm curious about the proposed tcpdump support. Is there a concrete plan >>> for this, or is that still being looked into? Sandvine is interested in >>> contributing to this effort. Anything we can do to help? >>> >>> Thanks, >>> >>> Kyle >> >> We discussed an Ovscon doing a simple example of how to have a thread use >> named pipe >> support (already in tcpdump and wireshark). More complex solutions require >> changes to >> libpcap and application interaction. > > Our current thinking is to use kni to mirror packets into the kernel itself, > so that all standard linux capture tools can then be used.
The problem with that (unless I'm missing something here) is that KNI requires using out-of-tree kernel modules which makes it pretty much a non-option for distros. - Panu -