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This folder contains various examples on how the Linux-wpan stack can be used
from userspace, using the Linux socket interface.
These examples do not cover all socket programming functionality nor do they
give a real introduction to it. Their aim is to provide some quick examples for
using the Linux-wpan stack for developers familiar with socket programming.
Keep in mind that the socket interface is used for the data plane. For the
configuration plane you would use netlink, which is heavily demonstrated in
iwpan itself.
Examples:
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Address family AF_IEEE802154 with type SOCK_DGRAM:
* Direct usage of IEEE 802.15.4 frames, no 6LoWPAN involved
* Short and extended address usage is demonstrated
* af_ieee802154_rx loops and prints each received IEEE 802.15.4 frame on stdout
* af_ieee802154_tx sends a IEEE 802.15.4 frame
Address family AF_INET6 with type SOCK_DGRAM:
* 6LoWPAN examples, IPv6 over IEEE 802.15.4
* af_inet6_rx binds on any IPv6 address on UDP port
* af_inet6_tx sends an UDP packet to the IPv6 all nodes address
Address family AF_PACKET with type SOCK_RAW:
* Raw access to IEEE 8021.5.4 frames for rx and tx
* Useful for sniffer, packet generators, network stack in userspace, etc
* af_packet_rx loops and prints each frame as hexdump
* af_packet_tx constructs the raw packet payload manually and sends it
Some of the example need special privileges to run. If you get a error like:
socket: Operation not permitted
Make sure your user that the needed privileges or run the example with sudo.
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