On Monday 09 April 2007 11:49, Larry Finger wrote: > > In WE, qual is arbitrary within a few limits: > > > > a) qual _must_ change on a linear scale > > b) a valid max_qual.qual must be set > > c) qual must fall within the bounds of [0, max_qual.qual] inclusive > > Note that the quantity supplied by the bcm43xx firmware (called jssi in the > code) varies linearly with the strength of the signal, whereas the quantity > derived from it in bcm43xx_rssi_postprocess is quasi logarithmic. The > statement in a) above would argue against reversal of my conventions. What > happens in the other drivers that use mac80211? > rt2x00 does not use qual. All other drivers in tree that use qual (zd1211rw-mac80211, rtl8187) use the current convention. I don't see anything in those 4 points that would argue against the current conventions in mac80211. In fact, it sounds like you are arguing for it since jssi, which you said is linear, goes to qual (after my patch is applied) which wants a linear number. -Michael Wu
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