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[PATCH 18/27] wifi: nl80211: add MLD address to assoc BSS entries

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From: Johannes Berg <johannes.berg@xxxxxxxxx>

Add an MLD address attribute to BSS entries that the interface
is currently associated with to help userspace figure out what's
going on.

Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
 include/uapi/linux/nl80211.h | 2 ++
 net/wireless/nl80211.c       | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 573db20403dc..ac31fbd84402 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -4959,6 +4959,7 @@ enum nl80211_bss_scan_width {
  *	using the nesting index as the antenna number.
  * @NL80211_BSS_FREQUENCY_OFFSET: frequency offset in KHz
  * @NL80211_BSS_MLO_LINK_ID: MLO link ID of the BSS (u8).
+ * @NL80211_BSS_MLD_ADDR: MLD address of this BSS if connected to it.
  * @__NL80211_BSS_AFTER_LAST: internal
  * @NL80211_BSS_MAX: highest BSS attribute
  */
@@ -4985,6 +4986,7 @@ enum nl80211_bss {
 	NL80211_BSS_CHAIN_SIGNAL,
 	NL80211_BSS_FREQUENCY_OFFSET,
 	NL80211_BSS_MLO_LINK_ID,
+	NL80211_BSS_MLD_ADDR,
 
 	/* keep last */
 	__NL80211_BSS_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index dad88d231d56..8ab4c907e284 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10182,8 +10182,10 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
 			    (nla_put_u32(msg, NL80211_BSS_STATUS,
 					 NL80211_BSS_STATUS_ASSOCIATED) ||
 			     (wdev->valid_links &&
-			      nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
-					 link_id))))
+			      (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
+					  link_id) ||
+			       nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
+				       wdev->u.client.connected_addr)))))
 				goto nla_put_failure;
 		}
 		break;
-- 
2.37.2




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