Andrea Merello wrote: > > > > First thing I noticed: the reported "Link Signal Level" > > > from iwconfig was way off. It showed values around > > > -170 dBm when it was sitting directly beside the AP. > > > It was easy to fix: > > > > > > - rx_status.ssi = (flags2 >> 8) & 0x7F; > > > + rx_status.ssi = (flags2 >> 8) & 0xFF; > > > > > > According to the 8180 datasheet, this field is 8 bit. > > > > > Ugh. The diagram (in the 8185 datasheet) shows that the rssi field is 7 bits > > long while the table after it says 8 bits, and the two figures disagree on a > > few other fields too. I'll fix that up.. Maybe the 8185 changed it so that the LSB of the RSSI is now the antenna flag? Just guessing though, I couldn't find an 8185 manual... > True, the datasheet is not consistent. > However the last reference code I have from Realtek is > > signal=((*(priv->rxringtail+1))& (0xff0000))>>16; >[...] > Similar to rtl8187 this look at AGC, not RSSI, field to extract signal > strength information. Hmm... there's no AGC field (16:23) in the 8180 doc. It says 16:31 reserved. > signal =(95-signal )*100/65; > } > priv->wstats.qual.level = signal; What is the range of these fields anyway? Some seem to be 0-255 (-256+x dBm?), some 0-65 (65 best?), some 0-100 (percent?). Ciao, ET. - 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
