Hi, Am 17.11.2015 11:16 schrieb "Emmanuel Baccelli" <[email protected] >:
> I agree that some text would be very helpful. Actually, the plan was to > indeed provide some such text very soon, right Martine? > yes, we are currently working on making the documentation more precise and helpful for the whole system. Not just IPv6 and 6LoWPAN. Actually, that was what I try to imply with "better documentation is one of our main goals for the next release(s)". > On Tue, Nov 17, 2015 at 11:03 AM, Kaspar Schleiser <[email protected]> > wrote: > >> Hey Martine, >> >> […] >> When I saw Ralph's question, I was looking forward to you using the >> opportunity to put some light in how gnrc_ipv6, gnrc_ipv6_router, >> ipv6_router_default, sixlowpan, sixlowpan_nd, sixlowpan_router_nd, >> sixlowpan_border_router_sixlowpan_nd_host, ..., are related. >> > Not to go into much detail (that's what a landing page in our future documentation will be for; but thanks for pointing out, that pseudo-modules will need documentation too :-)), but: * gnrc_ipv6 is the main module implementing IPv6 for GNRC. Building just gnrc_ipv6 gives you the bare minimum you need for IPv6 communication: 1-hop sending and receiving * some sub-modules, like gnrc_ipv6_netif (IPv6-relevant interface data) and gnrc_ipv6_nc (neighbor cache) are independently usable (good for testing) from gnrc_ipv6, but essential to its functionality * gnrc_ipv6_router is a pseudo-module providing build-instructions to include routing capabilities for IPv6 (forwarding of packets + FIB) * gnrc_sixlowpan is the bare minimum implementation of 6LoWPAN for GNRC * gnrc_sixlowpan_frag and gnrc_sixlowpan_iphc implenent 6LoWPAN fragmentation and IP header compression respectively * gnrc_sixlowpan_nd provides base functionality for 6Lo-ND (but no behavior). * gnrc_sixlowpan_nd_host provides host behavior of 6Lo-ND * gnrc_sixlowpan_nd_router provides router behavior of 6Lo-ND * gnrc_sixlowpan_nd_border_router provides border router behavior of 6Lo-ND * either of the nd or router modules can be included or excluded from the build to optimize in a size-feature axis. The stack should still be operational, though the features of the missing modules would also be missing of course. * gnrc_.*_default are convenience modules that provide the required neighbor discoveries of the given mode and other modules needed for (size-wise) ideal full operation. Hope this was more helpful, Martine
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