Felix Fietkau wrote: > I believe that it's not minstrel's fault. According to the information that > I have about RTL8187L, the chip implements rate fallback. If the chip changes > rates during retransmissions, the status information the way you gather it > will not be accurate and will trick minstrel into believing that higher rates > actually work (which in fact they don't). > Please do some transmissions at 54M and run a monitor mode capture on a different > card to see if it changes the rate during transmission and how frequently it > uses one rate before falling back (if indeed my theory is correct). > This information could be used to provide some more accurate feedback through > multi-rate retry status information. I believe you have the clue. There is a register named RATE_FALLBACK and a bit called RTL818X_RATE_FALLBACK_ENABLE. I'm testing a patch that leaves this bit unset. Thanks, Larry -- 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
