summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorThomas Pedersen <thomas@cozybit.com>2012-12-11 02:48:03 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-12-12 01:00:39 +0400
commite576defd1fe1ade5afe590eadd556dce5473fc26 (patch)
tree3db058be2463a95314dcf7ef108830fb5c9f6bc0 /drivers
parent75d7dbc280bb75d2bdce59c5969a812f38255f54 (diff)
downloadlinux-e576defd1fe1ade5afe590eadd556dce5473fc26.tar.xz
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')
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c13
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;