package/kernel/mac80211/patches/subsys/393-wireless-align-HE-capabilities-A-MPDU-Length-Exponen.patch

From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 9 Apr 2021 12:40:20 +0300
Subject: [PATCH] wireless: align HE capabilities A-MPDU Length Exponent
 Extension

The A-MPDU length exponent extension is defined differently in
802.11ax D6.1, align with that.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210409123755.c2a257d3e2df.I3455245d388c52c61dace7e7958dbed7e807cfb6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -1295,9 +1295,8 @@ static void ath11k_peer_assoc_h_he(struc
 	 * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu
 	 * length.
 	 */
-	ampdu_factor = (he_cap->he_cap_elem.mac_cap_info[3] &
-			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) >>
-			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT;
+	ampdu_factor = u8_get_bits(he_cap->he_cap_elem.mac_cap_info[3],
+				   IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK);
 
 	if (ampdu_factor) {
 		if (sta->vht_cap.vht_supported)
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -595,7 +595,7 @@ static struct ieee80211_sband_iftype_dat
 					IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP,
 				.mac_cap_info[3] =
 					IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
+					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2,
 				.mac_cap_info[4] =
 					IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU |
 					IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39,
@@ -679,7 +679,7 @@ static struct ieee80211_sband_iftype_dat
 					IEEE80211_HE_MAC_CAP2_BSR,
 				.mac_cap_info[3] =
 					IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
+					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2,
 				.mac_cap_info[4] =
 					IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
 				.mac_cap_info[5] =
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2763,7 +2763,7 @@ static const struct ieee80211_sband_ifty
 					IEEE80211_HE_MAC_CAP2_ACK_EN,
 				.mac_cap_info[3] =
 					IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
+					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
 				.mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
 				.phy_cap_info[1] =
 					IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
@@ -2807,7 +2807,7 @@ static const struct ieee80211_sband_ifty
 					IEEE80211_HE_MAC_CAP2_ACK_EN,
 				.mac_cap_info[3] =
 					IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
+					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
 				.mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
 				.phy_cap_info[1] =
 					IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
@@ -2853,7 +2853,7 @@ static const struct ieee80211_sband_ifty
 					IEEE80211_HE_MAC_CAP2_ACK_EN,
 				.mac_cap_info[3] =
 					IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
+					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
 				.mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
 				.phy_cap_info[0] =
 					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
@@ -2901,7 +2901,7 @@ static const struct ieee80211_sband_ifty
 					IEEE80211_HE_MAC_CAP2_ACK_EN,
 				.mac_cap_info[3] =
 					IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
+					IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
 				.mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
 				.phy_cap_info[0] =
 					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -425,7 +425,7 @@ mt7915_init_he_caps(struct mt7915_phy *p
 			IEEE80211_HE_MAC_CAP0_HTC_HE;
 		he_cap_elem->mac_cap_info[3] =
 			IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
-			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
+			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
 		he_cap_elem->mac_cap_info[4] =
 			IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
 
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2051,17 +2051,15 @@ int ieee80211_get_vht_max_nss(struct iee
  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
  * same field in the HE capabilities.
  */
-#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT	0x00
-#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1		0x08
-#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2		0x10
-#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED	0x18
+#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0		0x00
+#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1		0x08
+#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2		0x10
+#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3		0x18
 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK		0x18
 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG			0x20
 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED			0x40
 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS		0x80
 
-#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT		3
-
 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG		0x01
 #define IEEE80211_HE_MAC_CAP4_QTP				0x02
 #define IEEE80211_HE_MAC_CAP4_BQR				0x04
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -711,17 +711,17 @@ static ssize_t sta_he_capa_read(struct f
 	PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
 
 	switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
-	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT:
-		PRINT("MAX-AMPDU-LEN-EXP-USE-VHT");
+	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0:
+		PRINT("MAX-AMPDU-LEN-EXP-USE-EXT-0");
 		break;
-	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1:
-		PRINT("MAX-AMPDU-LEN-EXP-VHT-1");
+	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1:
+		PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-1");
 		break;
-	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2:
-		PRINT("MAX-AMPDU-LEN-EXP-VHT-2");
+	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2:
+		PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-2");
 		break;
-	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED:
-		PRINT("MAX-AMPDU-LEN-EXP-RESERVED");
+	case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3:
+		PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-3");
 		break;
 	}