> > > It seems to me that these flags aren't entirely orthogonal to the > > > bitrates? > > > > no, they are all orthogonal to each other. the example you gave will > > give us 108MBit. all flags can be used, as long they match the spec, > > and that's the algorithm responsibility to check and determine. > > I guess that the flag that is more confusing is OFDM_HT. since 11n > > supports (theoretically...) n streams of data, using flags like SISO / > > MIMO / MIMO_3_ANT / MIMO_... seemed the wrong way. in stead, once you > > know OFDM_HT is up, a check to antenna_sel_tx will determine the Tx > > expected method. > > Ahh! Ok, thanks for the explanation. Is antenna_sel_tx really the right > thing though? Tomas mentioned that you can have three antennas and only > two chains so should that rather be a chain selection? > yes, this is correct from low level driver's perspective, but i think that from rate scaling perspective keeping the antenna term is clearer then a chain. > > It may be good to add this to the file's documentation. > > Indeed. Or to a DOC: section somewhere so it can be added to an 11n > chapter of the mac80211 book (since the patch is merged I'm > automatically generating it nightly at > http://linuxwireless.org/mac80211book/) > I'll make a patch with the explanation -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
