Hi Brian, On Thu, Nov 10, 2011, Brian Gix wrote: > 1. Define separate LE and BR/EDR IO_Capabilities, and store them > seperately in the hci_dev structure. This would involve some > further MGMT mods to specify BR vs LE io_caps, although the > MGMT_OP_PAIR_DEVICE already includes an io_cap field that the user > space could set on an explicit "Dedicated Bonding" initiation, it > would not cover either "General Bonding", or remotely initiated > bonding of any kind. Bluez would need to specify, and the kernel > store, separate io_caps for each. > > 2. Internally map the KeyboardDisplay io_cap inside the kernel to > DisplayYesNo for BR/EDR purposes. This would allow higher level > user space (bluez) entities to use a single io_cap > (KeyboardDisplay), and have it automatically "fallback" to > DisplayYesNo, which can be looked at as a subset of KeyboardDisplay. > > Again, this is important, because without KeyboardDisplay, we will > lose the ability to do MITM protection for many LE devices which may > require it, and I would like to know opinions before I go too far > down a path which may get shot down here. > > My personal option is #2, because it involves code changes in the > fewest places. Option 2 is what I had already assumed that we would do, so let's go with that. Johan -- 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