[ath9k-devel] CRC error check

Hi all,

I want to disable CRC check on Rx machine.

To do I?m following mac80211 ~ ath9k source codes.

I could find something like crc check part (http://lxr.free-electrons.com/source/drivers/net/wireless/ath/ath9k/common-debug.c#L90 <http://lxr.free-electrons.com/source/drivers/net/wireless/ath/ath9k/common-debug.c#L90>) :
if (rs->rs_status & ATH9K_RXERR_CRC)
    RX_CMN_STAT_INC(crc_err)

I?m wondering does it part of CRC check.

My 3-questions are below :

1. Which part handles CRC error check ?
2. What are the DELIM_CRC_PRE and DELIM_CRC_POST ? 
3. How can I disable CRC check ?

Thanks.
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