> -----Original Message----- > From: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Sent: Saturday, December 23, 2023 6:40 PM > To: Larry Finger <Larry.Finger@xxxxxxxxxxxx> > Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; linux-wireless <linux-wireless@xxxxxxxxxxxxxxx> > Subject: Re: EFUSE in RTW8723DS > > Hi Larry, > > apologies for my late reply. > > On Tue, Nov 21, 2023 at 11:47 PM Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote: > > > > > > Martin, > > > > As shown in > > https://github.com/lwfinger/rtw88/issues/157#issuecomment-1820421821, driver > > rtw88 shows a lot worse performance than the vendor driver for a chip with a > > properly encoded EFUSE. Is this not a case of incorrect setting of the > > calibration data? > My current assumption is that the worse performance (= throughput) is > related to the implementation in rtw88's SDIO code, not the > programming of the RF parameters. > I'm planning to look into this next week. > I'd appreciate any hints from Ping-Ke on what to check / how to check > (as long as I can do it with very basic equipment - in other words: I > don't have an RF analyzer) :-) > Sorry I don't have too much idea. Basically, I would like to use a sniffer to capture packets and compare differences between rtw89 and vendor driver, and then check PHY rate to bisect causes. Ping-Ke