Merge tag 'wireless-2023-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Kalle Valo says:

====================
wireless fixes for v6.3

mt76 has a fix for leaking cleartext frames on a certain scenario and
two firmware file handling related fixes. For brcmfmac we have a fix
for an older SDIO suspend regression and for ath11k avoiding a kernel
crash during hibernation with SUSE kernels.

* tag 'wireless-2023-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
  wifi: mt76: ignore key disable commands
  wifi: ath11k: reduce the MHI timeout to 20s
  wifi: mt76: mt7921: fix fw used for offload check for mt7922
  wifi: mt76: mt7921: Fix use-after-free in fw features query.
  wifi: brcmfmac: Fix SDIO suspend/resume regression
====================

Link: https://lore.kernel.org/r/20230405105536.4E946C433D2@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: kuba-moo

drivers/net/wireless/ath/ath11k/mhi.c

@@ -16,7 +16,7 @@
 #include "pci.h"
 #include "pcic.h"
 
-#define MHI_TIMEOUT_DEFAULT_MS	90000
+#define MHI_TIMEOUT_DEFAULT_MS	20000
 #define RDDM_DUMP_SIZE	0x420000
 
 static struct mhi_channel_config ath11k_mhi_channels_qca6390[] = {

drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c

@@ -994,15 +994,34 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = {
 MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
 
 
-static void brcmf_sdiod_acpi_set_power_manageable(struct device *dev,
-						  int val)
+static void brcmf_sdiod_acpi_save_power_manageable(struct brcmf_sdio_dev *sdiodev)
 {
 #if IS_ENABLED(CONFIG_ACPI)
 	struct acpi_device *adev;
 
-	adev = ACPI_COMPANION(dev);
+	adev = ACPI_COMPANION(&sdiodev->func1->dev);
 	if (adev)
-		adev->flags.power_manageable = 0;
+		sdiodev->func1_power_manageable = adev->flags.power_manageable;
+
+	adev = ACPI_COMPANION(&sdiodev->func2->dev);
+	if (adev)
+		sdiodev->func2_power_manageable = adev->flags.power_manageable;
+#endif
+}
+
+static void brcmf_sdiod_acpi_set_power_manageable(struct brcmf_sdio_dev *sdiodev,
+						  int enable)
+{
+#if IS_ENABLED(CONFIG_ACPI)
+	struct acpi_device *adev;
+
+	adev = ACPI_COMPANION(&sdiodev->func1->dev);
+	if (adev)
+		adev->flags.power_manageable = enable ? sdiodev->func1_power_manageable : 0;
+
+	adev = ACPI_COMPANION(&sdiodev->func2->dev);
+	if (adev)
+		adev->flags.power_manageable = enable ? sdiodev->func2_power_manageable : 0;
 #endif
 }
 
@@ -1012,22 +1031,16 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func,
 	int err;
 	struct brcmf_sdio_dev *sdiodev;
 	struct brcmf_bus *bus_if;
-	struct device *dev;
 
 	brcmf_dbg(SDIO, "Enter\n");
 	brcmf_dbg(SDIO, "Class=%x\n", func->class);
 	brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor);
 	brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device);
 	brcmf_dbg(SDIO, "Function#: %d\n", func->num);
 
-	dev = &func->dev;
-
 	/* Set MMC_QUIRK_LENIENT_FN0 for this card */
 	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
 
-	/* prohibit ACPI power management for this device */
-	brcmf_sdiod_acpi_set_power_manageable(dev, 0);
-
 	/* Consume func num 1 but dont do anything with it. */
 	if (func->num == 1)
 		return 0;
@@ -1059,6 +1072,7 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func,
 	dev_set_drvdata(&sdiodev->func1->dev, bus_if);
 	sdiodev->dev = &sdiodev->func1->dev;
 
+	brcmf_sdiod_acpi_save_power_manageable(sdiodev);
 	brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_DOWN);
 
 	brcmf_dbg(SDIO, "F2 found, calling brcmf_sdiod_probe...\n");
@@ -1124,6 +1138,8 @@ void brcmf_sdio_wowl_config(struct device *dev, bool enabled)
 
 	if (sdiodev->settings->bus.sdio.oob_irq_supported ||
 	    pm_caps & MMC_PM_WAKE_SDIO_IRQ) {
+		/* Stop ACPI from turning off the device when wowl is enabled */
+		brcmf_sdiod_acpi_set_power_manageable(sdiodev, !enabled);
 		sdiodev->wowl_enabled = enabled;
 		brcmf_dbg(SDIO, "Configuring WOWL, enabled=%d\n", enabled);
 		return;

drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h

@@ -188,6 +188,8 @@ struct brcmf_sdio_dev {
 	char nvram_name[BRCMF_FW_NAME_LEN];
 	char clm_name[BRCMF_FW_NAME_LEN];
 	bool wowl_enabled;
+	bool func1_power_manageable;
+	bool func2_power_manageable;
 	enum brcmf_sdiod_state state;
 	struct brcmf_sdiod_freezer *freezer;
 	const struct firmware *clm_fw;

drivers/net/wireless/mediatek/mt76/mt7603/main.c

@@ -512,15 +512,15 @@ mt7603_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
 		return -EOPNOTSUPP;
 
-	if (cmd == SET_KEY) {
-		key->hw_key_idx = wcid->idx;
-		wcid->hw_key_idx = idx;
-	} else {
+	if (cmd != SET_KEY) {
 		if (idx == wcid->hw_key_idx)
 			wcid->hw_key_idx = -1;
 
-		key = NULL;
+		return 0;
 	}
+
+	key->hw_key_idx = wcid->idx;
+	wcid->hw_key_idx = idx;
 	mt76_wcid_key_setup(&dev->mt76, wcid, key);
 
 	return mt7603_wtbl_set_key(dev, wcid->idx, key);

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -1193,8 +1193,7 @@ EXPORT_SYMBOL_GPL(mt7615_mac_enable_rtscts);
 static int
 mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 			   struct ieee80211_key_conf *key,
-			   enum mt76_cipher_type cipher, u16 cipher_mask,
-			   enum set_key_cmd cmd)
+			   enum mt76_cipher_type cipher, u16 cipher_mask)
 {
 	u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx) + 30 * 4;
 	u8 data[32] = {};
@@ -1203,27 +1202,18 @@ mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 		return -EINVAL;
 
 	mt76_rr_copy(dev, addr, data, sizeof(data));
-	if (cmd == SET_KEY) {
-		if (cipher == MT_CIPHER_TKIP) {
-			/* Rx/Tx MIC keys are swapped */
-			memcpy(data, key->key, 16);
-			memcpy(data + 16, key->key + 24, 8);
-			memcpy(data + 24, key->key + 16, 8);
-		} else {
-			if (cipher_mask == BIT(cipher))
-				memcpy(data, key->key, key->keylen);
-			else if (cipher != MT_CIPHER_BIP_CMAC_128)
-				memcpy(data, key->key, 16);
-			if (cipher == MT_CIPHER_BIP_CMAC_128)
-				memcpy(data + 16, key->key, 16);
-		}
+	if (cipher == MT_CIPHER_TKIP) {
+		/* Rx/Tx MIC keys are swapped */
+		memcpy(data, key->key, 16);
+		memcpy(data + 16, key->key + 24, 8);
+		memcpy(data + 24, key->key + 16, 8);
 	} else {
+		if (cipher_mask == BIT(cipher))
+			memcpy(data, key->key, key->keylen);
+		else if (cipher != MT_CIPHER_BIP_CMAC_128)
+			memcpy(data, key->key, 16);
 		if (cipher == MT_CIPHER_BIP_CMAC_128)
-			memset(data + 16, 0, 16);
-		else if (cipher_mask)
-			memset(data, 0, 16);
-		if (!cipher_mask)
-			memset(data, 0, sizeof(data));
+			memcpy(data + 16, key->key, 16);
 	}
 
 	mt76_wr_copy(dev, addr, data, sizeof(data));
@@ -1234,7 +1224,7 @@ mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 static int
 mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 			  enum mt76_cipher_type cipher, u16 cipher_mask,
-			  int keyidx, enum set_key_cmd cmd)
+			  int keyidx)
 {
 	u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx), w0, w1;
 
@@ -1253,9 +1243,7 @@ mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 	else
 		w0 &= ~MT_WTBL_W0_RX_IK_VALID;
 
-	if (cmd == SET_KEY &&
-	    (cipher != MT_CIPHER_BIP_CMAC_128 ||
-	     cipher_mask == BIT(cipher))) {
+	if (cipher != MT_CIPHER_BIP_CMAC_128 || cipher_mask == BIT(cipher)) {
 		w0 &= ~MT_WTBL_W0_KEY_IDX;
 		w0 |= FIELD_PREP(MT_WTBL_W0_KEY_IDX, keyidx);
 	}
@@ -1272,19 +1260,10 @@ mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 
 static void
 mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev, struct mt76_wcid *wcid,
-			      enum mt76_cipher_type cipher, u16 cipher_mask,
-			      enum set_key_cmd cmd)
+			      enum mt76_cipher_type cipher, u16 cipher_mask)
 {
 	u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx);
 
-	if (!cipher_mask) {
-		mt76_clear(dev, addr + 2 * 4, MT_WTBL_W2_KEY_TYPE);
-		return;
-	}
-
-	if (cmd != SET_KEY)
-		return;
-
 	if (cipher == MT_CIPHER_BIP_CMAC_128 &&
 	    cipher_mask & ~BIT(MT_CIPHER_BIP_CMAC_128))
 		return;
@@ -1295,8 +1274,7 @@ mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 
 int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
 			      struct mt76_wcid *wcid,
-			      struct ieee80211_key_conf *key,
-			      enum set_key_cmd cmd)
+			      struct ieee80211_key_conf *key)
 {
 	enum mt76_cipher_type cipher;
 	u16 cipher_mask = wcid->cipher;
@@ -1306,19 +1284,14 @@ int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
 	if (cipher == MT_CIPHER_NONE)
 		return -EOPNOTSUPP;
 
-	if (cmd == SET_KEY)
-		cipher_mask |= BIT(cipher);
-	else
-		cipher_mask &= ~BIT(cipher);
-
-	mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, cipher_mask, cmd);
-	err = mt7615_mac_wtbl_update_key(dev, wcid, key, cipher, cipher_mask,
-					 cmd);
+	cipher_mask |= BIT(cipher);
+	mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, cipher_mask);
+	err = mt7615_mac_wtbl_update_key(dev, wcid, key, cipher, cipher_mask);
 	if (err < 0)
 		return err;
 
 	err = mt7615_mac_wtbl_update_pk(dev, wcid, cipher, cipher_mask,
-					key->keyidx, cmd);
+					key->keyidx);
 	if (err < 0)
 		return err;
 
@@ -1329,13 +1302,12 @@ int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
 
 int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
 			    struct mt76_wcid *wcid,
-			    struct ieee80211_key_conf *key,
-			    enum set_key_cmd cmd)
+			    struct ieee80211_key_conf *key)
 {
 	int err;
 
 	spin_lock_bh(&dev->mt76.lock);
-	err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
+	err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
 	spin_unlock_bh(&dev->mt76.lock);
 
 	return err;

drivers/net/wireless/mediatek/mt76/mt7615/main.c

@@ -391,18 +391,17 @@ static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 	if (cmd == SET_KEY)
 		*wcid_keyidx = idx;
-	else if (idx == *wcid_keyidx)
-		*wcid_keyidx = -1;
-	else
+	else {
+		if (idx == *wcid_keyidx)
+			*wcid_keyidx = -1;
 		goto out;
+	}
 
-	mt76_wcid_key_setup(&dev->mt76, wcid,
-			    cmd == SET_KEY ? key : NULL);
-
+	mt76_wcid_key_setup(&dev->mt76, wcid, key);
 	if (mt76_is_mmio(&dev->mt76))
-		err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
+		err = mt7615_mac_wtbl_set_key(dev, wcid, key);
 	else
-		err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
+		err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
 
 out:
 	mt7615_mutex_release(dev);

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -490,11 +490,9 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 void mt7615_mac_set_timing(struct mt7615_phy *phy);
 int __mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
 			      struct mt76_wcid *wcid,
-			      struct ieee80211_key_conf *key,
-			      enum set_key_cmd cmd);
+			      struct ieee80211_key_conf *key);
 int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
-			    struct ieee80211_key_conf *key,
-			    enum set_key_cmd cmd);
+			    struct ieee80211_key_conf *key);
 void mt7615_mac_reset_work(struct work_struct *work);
 u32 mt7615_mac_get_sta_tid_sn(struct mt7615_dev *dev, int wcid, u8 tid);
 

drivers/net/wireless/mediatek/mt76/mt76x02_util.c

@@ -454,20 +454,20 @@ int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	msta = sta ? (struct mt76x02_sta *)sta->drv_priv : NULL;
 	wcid = msta ? &msta->wcid : &mvif->group_wcid;
 
-	if (cmd == SET_KEY) {
-		key->hw_key_idx = wcid->idx;
-		wcid->hw_key_idx = idx;
-		if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
-			key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
-			wcid->sw_iv = true;
-		}
-	} else {
+	if (cmd != SET_KEY) {
 		if (idx == wcid->hw_key_idx) {
 			wcid->hw_key_idx = -1;
 			wcid->sw_iv = false;
 		}
 
-		key = NULL;
+		return 0;
+	}
+
+	key->hw_key_idx = wcid->idx;
+	wcid->hw_key_idx = idx;
+	if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
+		key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
+		wcid->sw_iv = true;
 	}
 	mt76_wcid_key_setup(&dev->mt76, wcid, key);
 

drivers/net/wireless/mediatek/mt76/mt7915/main.c

@@ -410,16 +410,15 @@ static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		mt7915_mcu_add_bss_info(phy, vif, true);
 	}
 
-	if (cmd == SET_KEY)
+	if (cmd == SET_KEY) {
 		*wcid_keyidx = idx;
-	else if (idx == *wcid_keyidx)
-		*wcid_keyidx = -1;
-	else
+	} else {
+		if (idx == *wcid_keyidx)
+			*wcid_keyidx = -1;
 		goto out;
+	}
 
-	mt76_wcid_key_setup(&dev->mt76, wcid,
-			    cmd == SET_KEY ? key : NULL);
-
+	mt76_wcid_key_setup(&dev->mt76, wcid, key);
 	err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip,
 				      key, MCU_EXT_CMD(STA_REC_UPDATE),
 				      &msta->wcid, cmd);

drivers/net/wireless/mediatek/mt76/mt7921/init.c

@@ -171,12 +171,12 @@ mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
 
 u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
 {
-	struct mt7921_fw_features *features = NULL;
 	const struct mt76_connac2_fw_trailer *hdr;
 	struct mt7921_realease_info *rel_info;
 	const struct firmware *fw;
 	int ret, i, offset = 0;
 	const u8 *data, *end;
+	u8 offload_caps = 0;
 
 	ret = request_firmware(&fw, fw_wm, dev);
 	if (ret)
@@ -208,7 +208,10 @@ u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
 		data += sizeof(*rel_info);
 
 		if (rel_info->tag == MT7921_FW_TAG_FEATURE) {
+			struct mt7921_fw_features *features;
+
 			features = (struct mt7921_fw_features *)data;
+			offload_caps = features->data;
 			break;
 		}
 
@@ -218,7 +221,7 @@ u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
 out:
 	release_firmware(fw);
 
-	return features ? features->data : 0;
+	return offload_caps;
 }
 EXPORT_SYMBOL_GPL(mt7921_check_offload_capability);