From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Andrew Gallatin
> Sent: September 10, 2004 19:08 PM
> To: [EMAIL PROTECTED]
> Subject: packet generator
> 
> Does anybody have a free, in-kernel tool to generate packets quicky
> and send them out a particular etherent interface on FreeBSD?
> Something similar to pktgen on linux?
> 
> I'm trying to excersize just the send-side of programmable firmware
> based NIC.  The recieve side of the NIC firmware is not yet written,
> but I want to get started tuning and shaking the bugs out of the send
> side while the firmware author does the recieve path.  The packets
> just get dropped on the floor by the NIC, so its a good way to test
> the interface..
> 

ng_source was a netgraph module we wrote and contributed.
It can transmit ~800Kpps on a PCI-X system. The code is in
src/sys/netgraph/ng_source.c.
I drive it with a tcl library that can create arbitrary
packets with an object-oriented model, let me know if you'd
like to try that.

--don
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