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| author | Thomas Pedersen <thomas@cozybit.com> | 2012-12-10 14:48:03 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-12-11 16:00:39 -0500 |
| commit | e576defd1fe1ade5afe590eadd556dce5473fc26 (patch) | |
| tree | 3db058be2463a95314dcf7ef108830fb5c9f6bc0 /drivers/net/wireless/ath/ath5k/base.c | |
| parent | 75d7dbc280bb75d2bdce59c5969a812f38255f54 (diff) | |
| download | linux-e576defd1fe1ade5afe590eadd556dce5473fc26.tar.gz linux-e576defd1fe1ade5afe590eadd556dce5473fc26.tar.bz2 linux-e576defd1fe1ade5afe590eadd556dce5473fc26.zip | |
ath5k: RX timestamp is reported at end of frame
This is true for at least AR5213, and shouldn't be different for other
ath5k PHYs. Tested on AR2413 and AR5414.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Tested-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 4ad40cfe9ce0..30ca0a60a64c 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -1336,20 +1336,9 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb, * 15bit only. that means TSF extension has to be done within * 32768usec (about 32ms). it might be necessary to move this to * the interrupt handler, like it is done in madwifi. - * - * Unfortunately we don't know when the hardware takes the rx - * timestamp (beginning of phy frame, data frame, end of rx?). - * The only thing we know is that it is hardware specific... - * On AR5213 it seems the rx timestamp is at the end of the - * frame, but I'm not sure. - * - * NOTE: mac80211 defines mactime at the beginning of the first - * data symbol. Since we don't have any time references it's - * impossible to comply to that. This affects IBSS merge only - * right now, so it's not too bad... */ rxs->mactime = ath5k_extend_tsf(ah, rs->rs_tstamp); - rxs->flag |= RX_FLAG_MACTIME_START; + rxs->flag |= RX_FLAG_MACTIME_END; rxs->freq = ah->curchan->center_freq; rxs->band = ah->curchan->band; |