diff mbox series

[4/7] cfg80211: add hardware timestamps to frame RX info

Message ID iwlwifi.20220406145756.bfab4b44122d.Ic637e8f44b00acec35d6e0e793e8e3f259ef1fb6@changeid (mailing list archive)
State Changes Requested
Delegated to: Johannes Berg
Headers show
Series cfg80211/mac80211: updates intended for v5.19 2022-04-06 | expand

Commit Message

Luca Coelho April 6, 2022, 12:09 p.m. UTC 
From: Avraham Stern <avraham.stern@intel.com>

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@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 include/net/cfg80211.h |  4 ++++
 net/wireless/nl80211.c | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)
diff mbox series

Patch

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);