diff mbox series

[2/2] mt76: fix iv and CCMP header insertion

Message ID 7e5151dacb48b002f0abe720615b9b39844c2300.1623434432.git.ryder.lee@mediatek.com (mailing list archive)
State Superseded
Delegated to: Felix Fietkau
Headers show
Series [1/2] mt76: mt7915: fix IEEE80211_HE_PHY_CAP7_MAX_NC for station mode | expand

Commit Message

Ryder Lee June 11, 2021, 6:04 p.m. UTC 
The iv from RXD is only for TKIP_RSC/CCMP_PN/GCMP_PN, and add checks for
CCMP header insertion.

Signed-off-by: Xing Song <xing.song@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 .../net/wireless/mediatek/mt76/mt7603/mac.c   | 29 ++++++++++++++-----
 .../net/wireless/mediatek/mt76/mt7603/regs.h  |  4 +++
 .../net/wireless/mediatek/mt76/mt7615/mac.c   | 29 ++++++++++++++-----
 .../net/wireless/mediatek/mt76/mt7615/mac.h   |  3 +-
 .../net/wireless/mediatek/mt76/mt7915/mac.c   | 29 ++++++++++++++-----
 .../net/wireless/mediatek/mt76/mt7915/mac.h   | 16 ++++++++++
 .../net/wireless/mediatek/mt76/mt7921/mac.c   | 29 ++++++++++++++-----
 .../net/wireless/mediatek/mt76/mt7921/mac.h   | 16 ++++++++++
 8 files changed, 122 insertions(+), 33 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
index 8435e9597688..d760b48b4ece 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
@@ -550,14 +550,27 @@  mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
 		u8 *data = (u8 *)rxd;
 
 		if (status->flag & RX_FLAG_DECRYPTED) {
-			status->iv[0] = data[5];
-			status->iv[1] = data[4];
-			status->iv[2] = data[3];
-			status->iv[3] = data[2];
-			status->iv[4] = data[1];
-			status->iv[5] = data[0];
-
-			insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+			switch (FIELD_GET(MT_RXD2_NORMAL_SEC_MODE, rxd2)) {
+			case MT_CIPHER_AES_CCMP:
+			case MT_CIPHER_CCMP_CCX:
+			case MT_CIPHER_CCMP_256:
+				insert_ccmp_hdr =
+					FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+				fallthrough;
+			case MT_CIPHER_TKIP:
+			case MT_CIPHER_TKIP_NO_MIC:
+			case MT_CIPHER_GCMP:
+			case MT_CIPHER_GCMP_256:
+				status->iv[0] = data[5];
+				status->iv[1] = data[4];
+				status->iv[2] = data[3];
+				status->iv[3] = data[2];
+				status->iv[4] = data[1];
+				status->iv[5] = data[0];
+				break;
+			default:
+				break;
+			}
 		}
 
 		rxd += 4;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/regs.h b/drivers/net/wireless/mediatek/mt76/mt7603/regs.h
index 6741e6907194..201b39e9b8e5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/regs.h
@@ -775,6 +775,10 @@  enum mt7603_cipher_type {
 	MT_CIPHER_BIP_CMAC_128,
 	MT_CIPHER_WEP128,
 	MT_CIPHER_WAPI,
+	MT_CIPHER_CCMP_CCX,
+	MT_CIPHER_CCMP_256,
+	MT_CIPHER_GCMP,
+	MT_CIPHER_GCMP_256,
 };
 
 #endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index a48c198fb9cd..7261005ad538 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -313,14 +313,27 @@  static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
 		u8 *data = (u8 *)rxd;
 
 		if (status->flag & RX_FLAG_DECRYPTED) {
-			status->iv[0] = data[5];
-			status->iv[1] = data[4];
-			status->iv[2] = data[3];
-			status->iv[3] = data[2];
-			status->iv[4] = data[1];
-			status->iv[5] = data[0];
-
-			insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+			switch (FIELD_GET(MT_RXD2_NORMAL_SEC_MODE, rxd2)) {
+			case MT_CIPHER_AES_CCMP:
+			case MT_CIPHER_CCMP_CCX:
+			case MT_CIPHER_CCMP_256:
+				insert_ccmp_hdr =
+					FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+				fallthrough;
+			case MT_CIPHER_TKIP:
+			case MT_CIPHER_TKIP_NO_MIC:
+			case MT_CIPHER_GCMP:
+			case MT_CIPHER_GCMP_256:
+				status->iv[0] = data[5];
+				status->iv[1] = data[4];
+				status->iv[2] = data[3];
+				status->iv[3] = data[2];
+				status->iv[4] = data[1];
+				status->iv[5] = data[0];
+				break;
+			default:
+				break;
+			}
 		}
 		rxd += 4;
 		if ((u8 *)rxd - skb->data >= skb->len)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h
index d17bf200d8de..309c40f5bf72 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h
@@ -394,7 +394,8 @@  enum mt7615_cipher_type {
 	MT_CIPHER_BIP_CMAC_128,
 	MT_CIPHER_WEP128,
 	MT_CIPHER_WAPI,
-	MT_CIPHER_CCMP_256 = 10,
+	MT_CIPHER_CCMP_CCX,
+	MT_CIPHER_CCMP_256,
 	MT_CIPHER_GCMP,
 	MT_CIPHER_GCMP_256,
 };
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index c093c13bf1f1..ab190508416f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -413,14 +413,27 @@  mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
 		u8 *data = (u8 *)rxd;
 
 		if (status->flag & RX_FLAG_DECRYPTED) {
-			status->iv[0] = data[5];
-			status->iv[1] = data[4];
-			status->iv[2] = data[3];
-			status->iv[3] = data[2];
-			status->iv[4] = data[1];
-			status->iv[5] = data[0];
-
-			insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+			switch (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1)) {
+			case MT_RX_CIPHER_AES_CCMP:
+			case MT_RX_CIPHER_CCMP_CCX:
+			case MT_RX_CIPHER_CCMP_256:
+				insert_ccmp_hdr =
+					FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+				fallthrough;
+			case MT_RX_CIPHER_TKIP:
+			case MT_RX_CIPHER_TKIP_NO_MIC:
+			case MT_RX_CIPHER_GCMP:
+			case MT_RX_CIPHER_GCMP_256:
+				status->iv[0] = data[5];
+				status->iv[1] = data[4];
+				status->iv[2] = data[3];
+				status->iv[3] = data[2];
+				status->iv[4] = data[1];
+				status->iv[5] = data[0];
+				break;
+			default:
+				break;
+			}
 		}
 		rxd += 4;
 		if ((u8 *)rxd - skb->data >= skb->len)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
index eb1885f4bd8e..a25254e6b3d2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
@@ -150,6 +150,22 @@  enum rx_pkt_type {
 #define MT_CRXV_FOE_HI		GENMASK(6, 0)
 #define MT_CRXV_FOE_SHIFT	13
 
+enum rx_cipher_type {
+	MT_RX_CIPHER_NONE,
+	MT_RX_CIPHER_WEP40,
+	MT_RX_CIPHER_TKIP,
+	MT_RX_CIPHER_TKIP_NO_MIC,
+	MT_RX_CIPHER_AES_CCMP,
+	MT_RX_CIPHER_WEP104,
+	MT_RX_CIPHER_BIP_CMAC_128,
+	MT_RX_CIPHER_WEP128,
+	MT_RX_CIPHER_WAPI,
+	MT_RX_CIPHER_CCMP_CCX,
+	MT_RX_CIPHER_CCMP_256,
+	MT_RX_CIPHER_GCMP,
+	MT_RX_CIPHER_GCMP_256,
+};
+
 enum tx_header_format {
 	MT_HDR_FORMAT_802_3,
 	MT_HDR_FORMAT_CMD,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 5af3a958e5b0..8f09b40d329d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -433,14 +433,27 @@  int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 		u8 *data = (u8 *)rxd;
 
 		if (status->flag & RX_FLAG_DECRYPTED) {
-			status->iv[0] = data[5];
-			status->iv[1] = data[4];
-			status->iv[2] = data[3];
-			status->iv[3] = data[2];
-			status->iv[4] = data[1];
-			status->iv[5] = data[0];
-
-			insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+			switch (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1)) {
+			case MT_RX_CIPHER_AES_CCMP:
+			case MT_RX_CIPHER_CCMP_CCX:
+			case MT_RX_CIPHER_CCMP_256:
+				insert_ccmp_hdr =
+					FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+				fallthrough;
+			case MT_RX_CIPHER_TKIP:
+			case MT_RX_CIPHER_TKIP_NO_MIC:
+			case MT_RX_CIPHER_GCMP:
+			case MT_RX_CIPHER_GCMP_256:
+				status->iv[0] = data[5];
+				status->iv[1] = data[4];
+				status->iv[2] = data[3];
+				status->iv[3] = data[2];
+				status->iv[4] = data[1];
+				status->iv[5] = data[0];
+				break;
+			default:
+				break;
+			}
 		}
 		rxd += 4;
 		if ((u8 *)rxd - skb->data >= skb->len)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h
index 3af67fac213d..020c1e4ebe2c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h
@@ -155,6 +155,22 @@  enum rx_pkt_type {
 #define MT_CRXV_FOE_HI		GENMASK(6, 0)
 #define MT_CRXV_FOE_SHIFT	13
 
+enum rx_cipher_type {
+	MT_RX_CIPHER_NONE,
+	MT_RX_CIPHER_WEP40,
+	MT_RX_CIPHER_TKIP,
+	MT_RX_CIPHER_TKIP_NO_MIC,
+	MT_RX_CIPHER_AES_CCMP,
+	MT_RX_CIPHER_WEP104,
+	MT_RX_CIPHER_BIP_CMAC_128,
+	MT_RX_CIPHER_WEP128,
+	MT_RX_CIPHER_WAPI,
+	MT_RX_CIPHER_CCMP_CCX,
+	MT_RX_CIPHER_CCMP_256,
+	MT_RX_CIPHER_GCMP,
+	MT_RX_CIPHER_GCMP_256,
+};
+
 enum tx_header_format {
 	MT_HDR_FORMAT_802_3,
 	MT_HDR_FORMAT_CMD,