I won't be touching the ANI counters.
I have the following question instead :
In debug.c ;
After enabling the PHYERR, the
if (rs->rs_status & ATH9K_RXERR_PHY) {
RX_STAT_INC(phy_err);
phyerr = rs->rs_phyerr & 0x24;
RX_PHY_ERR_INC(phyerr);
}
UNDERRUN : 7723847
TIMING : 0
PARITY : 0
RATE : 0
TOR : 0
OFDM-TIMING : 0
OFDM-SIGNAL-PARITY : 0
OFDM-RATE : 0
OFDM-LENGTH : 0
OFDM-POWER-DROP : 0
OFDM-SERVICE : 0
OFDM-RESTART : 0
FALSE-RADAR-EXT : 0
CCK-TIMING : 0
CCK-HEADER-CRC : 0
CCK-RATE : 0
CCK-SERVICE : 0
CCK-RESTART : 0
LENGTH : 1238241
CCK-LENGTH : 80508
are the only PHY errors that are shown in debugfs output.
I wanted to know if changing the mask would enable other error counters too
?
Or the mask itself is such that only the above PHYERRs are shown.
There is no documentation of what each represent.
-Abhinav
On Fri, Nov 30, 2012 at 8:25 PM, Adrian Chadd <adr...@freebsd.org> wrote:
> Hi,
>
>
> On 30 November 2012 16:34, abhinav narain <abhinavnarai...@gmail.com>
> wrote:
> > hi,
> > In ath9k/reg.h,
> > there are some constants for the PHY error counters
> > #define AR_FILT_CCK 0x8128
> >
> > #define AR_PHY_ERR_1 0x812c
> > #define AR_PHY_ERR_MASK_1 0x8130
> >
> > #define AR_PHY_ERR_2 0x8134
> > #define AR_PHY_ERR_MASK_2 0x8138
> >
> > Can I change them to 0xffff or the mask ? or the ERR are for a purpose
> and
> > will degrade router performance if modified ?
>
> The counting itself won't cause problems. But right now with the ANI
> code it treats those two PHY_ERR_{1,2} registers as special. So if you
> change those masks, you'll change how ANI responds.
>
> The ANI code also may still generate MIB interrupts when the counters
> overflow. If you add PHY errors to those, the MIB counters will
> overflow more frequently and you'll end up with more interrupts.
>
> So, play safely :-)
>
>
> Adrian
>
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