From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 2 Sep 2022 14:12:50 +0000 (+0200)
Subject: wifi: nl80211: add MLD address to assoc BSS entries
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6522047c65764c9aaec8009e73daa8c0b138c701;p=linux.git

wifi: nl80211: add MLD address to assoc BSS entries

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@intel.com>
---

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index a00a23840c57f..c32e7616a366a 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 4f5e5b763a15d..c0b6629e3012b 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;