rand32.h does not make much sense, since the random subsystem
provides more APIs than just getting a random 32 bits value.
Rename it to random.h and get consistently with other
subsystems.
Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
Add suitable functions that offloaded network device driver
can receive ICMP Echo-Request (ping) requests and give
ICMP responses back when it receives them from the network.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Allow user to send ICMP Echo Request message a.k.a pings.
The same ICMP API and framework is used for network stack
internal needs in later commits. One benefit for this new
API is that it allows sending Echo Requests to offlined
network devices.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
