Hi Michael, On Wed, 2017-04-26 at 10:55 -0400, Michael Richardson wrote: > Alexander Aring <aar@xxxxxxxxxxxxxx> wrote: > >> In a classic SVR4 STREAMS works, it would have been just > another > >> module. (No, I'm not a fan of *STREAMS* or of SVR4 in > general, > >> although I liked some of the ideas). > >> > > > ok, I see you complain about "having a virtual on top of wpan > > interface", or? > > > I wanted to talk at first about the queue handling which is > introduced > > when 6LoWPAN is not a virtual interface anymore. Or do you want > to have > > a queue in front of 6lowpan adaptation (see other mail reply > with ASCII > > graphics). > > I would like to have a single queue, as close to the hardware as > possible, > such that BQL can do it's thing easily. Should we rethink outgoing > fragment > handling for 6lowpan? Clearly the BT people had a need. > I don't think they've had a chance to respond to your complaints. Note that the BT fragmentation (or actually it is called segmentation in BT) is totally different what 802.15.4 is doing. I do not think there is any need to add fragmentation handling into 6lo. Actually the 6lowpan kernel module could probably be simplified to be a library. We did this in Zephyr where we have compress() and uncompress() functions that do all the magic. > > > We can change that you can run multiple interfaces on one > > PHY. Currently we just allow one, because address filtering. > Disable > > address filtering > > we will loose ACK handling on hardware. > > Yes, that's a limitation of some hardware, and if you enable multiple > PANIDs, > that might be the consequence.... > > > I can try to implement all stuff in software "for fun, maybe > see what > > we can do to handle ACK in software, etc" Then you can run > multiple > > I'm not asking you to do it, I'm asking, now that we've gotten to a > certain > point, we have a better idea what the various requirements are, and > can we > re-evaluate things and maybe tweak some things. > > -- > ] Never tell me the odds! | ipv6 mesh > networks [ > ] Michael Richardson, Sandelman Software Works | network > architect [ > ] mcr@xxxxxxxxxxxx http://www.sandelman.ca/ ;| ruby on > rails [ > Cheers, Jukka -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
