recipes-wifi/linux-mac80211/files/patches-6.x/subsys/0038-mtk-mac80211-Fix-SMPS-action-frame-cap-check.patch

From 8a8535abf02e5cb6f0dcaf924e33183a1a1fa410 Mon Sep 17 00:00:00 2001
From: "Allen.Ye" <allen.ye@mediatek.com>
Date: Thu, 30 Nov 2023 14:01:29 +0800
Subject: [PATCH 38/61] mtk: mac80211: Fix SMPS action frame cap check

Fix SMPS action frame cap check.
Due to 6G band doesn't have HT cap, we change cap check into each action
frame section.

Signed-off-by: Allen.Ye <allen.ye@mediatek.com>
---
 net/mac80211/rx.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 06725f3..1d273ef 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3528,9 +3528,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 
 	switch (mgmt->u.action.category) {
 	case WLAN_CATEGORY_HT:
-		/* reject HT action frames from stations not supporting HT */
-		if (!rx->link_sta->pub->ht_cap.ht_supported)
-			goto invalid;
 
 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
@@ -3549,6 +3546,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 			enum ieee80211_smps_mode smps_mode;
 			struct sta_opmode_info sta_opmode = {};
 
+			if (rx->link_sta->pub->he_cap.has_he &&
+			    !(rx->link_sta->pub->he_cap.he_cap_elem.mac_cap_info[5] &
+			    IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS))
+				goto invalid;
+
 			if (sdata->vif.type != NL80211_IFTYPE_AP &&
 			    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)
 				goto handled;
-- 
2.39.2