diff mbox series

wifi: mac80211: Check for missing VHT elements only for 5 GHz

Message ID 20240827103920.dd711282d543.Iaba245cebc52209b0499d5bab7d8a8ef1df9dd65@changeid
State New
Headers show
Series wifi: mac80211: Check for missing VHT elements only for 5 GHz | expand

Commit Message

Johannes Berg Aug. 27, 2024, 8:39 a.m. UTC 
From: Ilan Peer <ilan.peer@intel.com>

Check for missing VHT Capabilities and VHT Operation elements in
association response frame only for 5 GHz links.

Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/mlme.c | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0285924269cf..60e3a3a6e440 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4715,7 +4715,7 @@  static bool ieee80211_assoc_config_link(struct ieee80211_link_data *link,
 	    ((assoc_data->wmm && !elems->wmm_param) ||
 	     (link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_HT &&
 	      (!elems->ht_cap_elem || !elems->ht_operation)) ||
-	     (link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_VHT &&
+	     (is_5ghz && link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_VHT &&
 	      (!elems->vht_cap_elem || !elems->vht_operation)))) {
 		const struct cfg80211_bss_ies *ies;
 		struct ieee802_11_elems *bss_elems;
@@ -4763,19 +4763,22 @@  static bool ieee80211_assoc_config_link(struct ieee80211_link_data *link,
 			sdata_info(sdata,
 				   "AP bug: HT operation missing from AssocResp\n");
 		}
-		if (!elems->vht_cap_elem && bss_elems->vht_cap_elem &&
-		    link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_VHT) {
-			elems->vht_cap_elem = bss_elems->vht_cap_elem;
-			sdata_info(sdata,
-				   "AP bug: VHT capa missing from AssocResp\n");
-		}
-		if (!elems->vht_operation && bss_elems->vht_operation &&
-		    link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_VHT) {
-			elems->vht_operation = bss_elems->vht_operation;
-			sdata_info(sdata,
-				   "AP bug: VHT operation missing from AssocResp\n");
-		}
 
+		if (is_5ghz) {
+			if (!elems->vht_cap_elem && bss_elems->vht_cap_elem &&
+			    link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_VHT) {
+				elems->vht_cap_elem = bss_elems->vht_cap_elem;
+				sdata_info(sdata,
+					   "AP bug: VHT capa missing from AssocResp\n");
+			}
+
+			if (!elems->vht_operation && bss_elems->vht_operation &&
+			    link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_VHT) {
+				elems->vht_operation = bss_elems->vht_operation;
+				sdata_info(sdata,
+					   "AP bug: VHT operation missing from AssocResp\n");
+			}
+		}
 		kfree(bss_elems);
 	}