From: Avraham Stern <avraham.stern@xxxxxxxxx>
Add hardware timestamps to management frame RX info.
This shall be used by drivers that support hardware timestamping for
Timing measurement and Fine timing measurement action frames RX.
Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
include/net/cfg80211.h | 4 ++++
net/wireless/nl80211.c | 10 +++++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ae20256c3243..b113fb86151c 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -7537,6 +7537,8 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
* @buf: Management frame (header + body)
* @len: length of the frame data
* @flags: flags, as defined in enum nl80211_rxmgmt_flags
+ * @rx_tstamp: Hardware timestamp of frame RX in nanoseconds
+ * @ack_tstamp: Hardware timestamp of ack TX in nanoseconds
*/
struct cfg80211_rx_info {
int freq;
@@ -7544,6 +7546,8 @@ struct cfg80211_rx_info {
const u8 *buf;
size_t len;
u32 flags;
+ u64 rx_tstamp;
+ u64 ack_tstamp;
};
/**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fe4b62b4715f..6b78577aa590 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -17447,7 +17447,15 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
(info->flags &&
- nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)))
+ nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
+ (info->rx_tstamp && nla_put_u64_64bit(msg,
+ NL80211_ATTR_RX_HW_TIMESTAMP,
+ info->rx_tstamp,
+ NL80211_ATTR_PAD)) ||
+ (info->ack_tstamp && nla_put_u64_64bit(msg,
+ NL80211_ATTR_TX_HW_TIMESTAMP,
+ info->ack_tstamp,
+ NL80211_ATTR_PAD)))
goto nla_put_failure;
genlmsg_end(msg, hdr);
--
2.35.1
