Commit 725d255e authored by Christian Lamparter's avatar Christian Lamparter Committed by John W. Linville

p54: improve TSF timestamp precision

The LMAC API states that the TSF clock value of
every rx'ed frame is a "usec accurate timestamp
of the hardware clock at the end of frame
(before OFDM SIFS EOF padding)".
Signed-off-by: default avatarChristian Lamparter <chunkeey@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1d815ef4
...@@ -369,7 +369,11 @@ static int p54_rx_data(struct p54_common *priv, struct sk_buff *skb) ...@@ -369,7 +369,11 @@ static int p54_rx_data(struct p54_common *priv, struct sk_buff *skb)
rx_status->mactime = ((u64)priv->tsf_high32) << 32 | tsf32; rx_status->mactime = ((u64)priv->tsf_high32) << 32 | tsf32;
priv->tsf_low32 = tsf32; priv->tsf_low32 = tsf32;
rx_status->flag |= RX_FLAG_MACTIME_START; /* LMAC API Page 10/29 - s_lm_data_in - clock
* "usec accurate timestamp of hardware clock
* at end of frame (before OFDM SIFS EOF padding"
*/
rx_status->flag |= RX_FLAG_MACTIME_END;
if (hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN)) if (hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN))
header_len += hdr->align[0]; header_len += hdr->align[0];
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment