6.11-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ilan Peer <ilan.peer@xxxxxxxxx>
[ Upstream commit 67bb124cd9ae38870667e4f9c876ef8e0f82ec44 ]
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@xxxxxxxxx>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
Link: https://patch.msgid.link/20240827103920.dd711282d543.Iaba245cebc52209b0499d5bab7d8a8ef1df9dd65@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/mac80211/mlme.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0a4a25a10eaea..9e3d2ed9cf678 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);
}
--
2.43.0
