Adrian Chadd 56717743f2 Update pkt-gen to optionally use randomised source/destination
IPv4 addresses/ports.

When doing traffic testing of actual code that /does/ things to the
packet (rather than say, 'bridge.c'), it's typically a good idea to
use a variety of cache-busting and flow-tracking-busting packet
spreads.  The pkt-gen method of testing an IP range was to walk
it linearly - which is fine, but not useful enough.

This can be used to completely randomize the source/destination
addresses (eg to test out flow-tracking-busting) and to keep the
destination fixed whilst randomising the source (eg to test out
what a DDoS may look like.)

Tested:

* Intel ixgbe 10G (82599) netmap

Differential Revision:	https://reviews.freebsd.org/D2309
MFC after:	2 weeks
Sponsored by:	Norse Corp, Inc.
2015-04-19 17:07:51 +00:00
..
2015-04-11 07:37:21 +00:00
2013-01-24 20:47:37 +00:00

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