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rt2x00: clarify meaning of txdone flags 

Update the documentation of the available txdone flags to better express
how they should be used.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2010-06-14 22:08:30 +02:00 committed by John W. Linville
parent 9190252c95
commit 46678b197a
1 changed files with 8 additions and 1 deletions
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9
drivers/net/wireless/rt2x00/rt2x00queue.h
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@ -213,9 +213,16 @@ struct rxdone_entry_desc {
/**
* enum txdone_entry_desc_flags: Flags for &struct txdone_entry_desc
*
* Every txdone report has to contain the basic result of the
* transmission, either &TXDONE_UNKNOWN, &TXDONE_SUCCESS or
* &TXDONE_FAILURE. The flag &TXDONE_FALLBACK can be used in
* conjunction with all of these flags but should only be set
* if retires > 0. The flag &TXDONE_EXCESSIVE_RETRY can only be used
* in conjunction with &TXDONE_FAILURE.
*
* @TXDONE_UNKNOWN: Hardware could not determine success of transmission.
* @TXDONE_SUCCESS: Frame was successfully send
* @TXDONE_FALLBACK: Frame was successfully send using a fallback rate.
* @TXDONE_FALLBACK: Hardware used fallback rates for retries
* @TXDONE_FAILURE: Frame was not successfully send
* @TXDONE_EXCESSIVE_RETRY: In addition to &TXDONE_FAILURE, the
* frame transmission failed due to excessive retries.