Merge tag 'wireless-drivers-next-for-davem-2017-04-27' of git://git.k…

…ernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.12

Few remaining patches for 4.12 submitted during the last week.

Major changes:

iwlwifi

* the firmware for 7265D and 3168 NICs is frozen at version 29

* more support for the upcoming A000 series
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -197,7 +197,7 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
 	int ret;
 	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_pub *drvr = ifp->drvr;
-	struct ethhdr *eh = (struct ethhdr *)(skb->data);
+	struct ethhdr *eh;
 
 	brcmf_dbg(DATA, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
 
@@ -210,22 +210,13 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
 		goto done;
 	}
 
-	/* Make sure there's enough room for any header */
-	if (skb_headroom(skb) < drvr->hdrlen) {
-		struct sk_buff *skb2;
-
-		brcmf_dbg(INFO, "%s: insufficient headroom\n",
+	/* Make sure there's enough writable headroom*/
+	ret = skb_cow_head(skb, drvr->hdrlen);
+	if (ret < 0) {
+		brcmf_err("%s: skb_cow_head failed\n",
 			  brcmf_ifname(ifp));
-		drvr->bus_if->tx_realloc++;
-		skb2 = skb_realloc_headroom(skb, drvr->hdrlen);
 		dev_kfree_skb(skb);
-		skb = skb2;
-		if (skb == NULL) {
-			brcmf_err("%s: skb_realloc_headroom failed\n",
-				  brcmf_ifname(ifp));
-			ret = -ENOMEM;
-			goto done;
-		}
+		goto done;
 	}
 
 	/* validate length for ether packet */
@@ -235,6 +226,8 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
 		goto done;
 	}
 
+	eh = (struct ethhdr *)(skb->data);
+
 	if (eh->h_proto == htons(ETH_P_PAE))
 		atomic_inc(&ifp->pend_8021x_cnt);
 

drivers/net/wireless/intel/iwlwifi/dvm/lib.c

@@ -180,7 +180,7 @@ void iwlagn_dev_txfifo_flush(struct iwl_priv *priv)
 		goto done;
 	}
 	IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n");
-	iwl_trans_wait_tx_queue_empty(priv->trans, 0xffffffff);
+	iwl_trans_wait_tx_queues_empty(priv->trans, 0xffffffff);
 done:
 	ieee80211_wake_queues(priv->hw);
 	mutex_unlock(&priv->mutex);

drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c

@@ -1145,7 +1145,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	}
 
 	IWL_DEBUG_TX_QUEUES(priv, "wait transmit/flush all frames\n");
-	iwl_trans_wait_tx_queue_empty(priv->trans, scd_queues);
+	iwl_trans_wait_tx_queues_empty(priv->trans, scd_queues);
 done:
 	mutex_unlock(&priv->mutex);
 	IWL_DEBUG_MAC80211(priv, "leave\n");

drivers/net/wireless/intel/iwlwifi/iwl-7000.c

@@ -73,8 +73,8 @@
 /* Highest firmware API version supported */
 #define IWL7260_UCODE_API_MAX	17
 #define IWL7265_UCODE_API_MAX	17
-#define IWL7265D_UCODE_API_MAX	30
-#define IWL3168_UCODE_API_MAX	30
+#define IWL7265D_UCODE_API_MAX	29
+#define IWL3168_UCODE_API_MAX	29
 
 /* Lowest firmware API version supported */
 #define IWL7260_UCODE_API_MIN	17

drivers/net/wireless/intel/iwlwifi/iwl-a000.c

@@ -85,7 +85,7 @@
 
 static const struct iwl_base_params iwl_a000_base_params = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_A000,
-	.num_of_queues = 31,
+	.num_of_queues = 512,
 	.shadow_ram_support = true,
 	.led_compensation = 57,
 	.wd_timeout = IWL_LONG_WD_TIMEOUT,

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -170,7 +170,7 @@ struct iwl_base_params {
 	   apmg_wake_up_wa:1,
 	   scd_chain_ext_wa:1;
 
-	u8 num_of_queues;	/* def: HW dependent */
+	u16 num_of_queues;	/* def: HW dependent */
 
 	u8 max_ll_items;
 	u8 led_compensation;

drivers/net/wireless/intel/iwlwifi/iwl-drv.c

@@ -1282,7 +1282,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 
 	pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
 	if (!pieces)
-		return;
+		goto out_free_fw;
 
 	if (!ucode_raw)
 		goto try_again;
@@ -1494,7 +1494,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 	 * or hangs loading.
 	 */
 	if (load_module) {
-		err = request_module("%s", op->name);
+		request_module("%s", op->name);
 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
 		if (err)
 			IWL_ERR(drv,
@@ -1512,17 +1512,18 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 	goto free;
 
  out_free_fw:
-	IWL_ERR(drv, "failed to allocate pci memory\n");
 	iwl_dealloc_ucode(drv);
 	release_firmware(ucode_raw);
  out_unbind:
 	complete(&drv->request_firmware_complete);
 	device_release_driver(drv->trans->dev);
  free:
-	for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
-		kfree(pieces->img[i].sec);
-	kfree(pieces->dbg_mem_tlv);
-	kfree(pieces);
+	if (pieces) {
+		for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
+			kfree(pieces->img[i].sec);
+		kfree(pieces->dbg_mem_tlv);
+		kfree(pieces);
+	}
 }
 
 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)

drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h

@@ -243,6 +243,7 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t;
  *	scan request.
  * @IWL_UCODE_TLV_API_TKIP_MIC_KEYS: This ucode supports version 2 of
  *	ADD_MODIFY_STA_KEY_API_S_VER_2.
+ * @IWL_UCODE_TLV_API_STA_TYPE: This ucode supports station type assignement.
  *
  * @NUM_IWL_UCODE_TLV_API: number of bits used
  */
@@ -253,6 +254,7 @@ enum iwl_ucode_tlv_api {
 	IWL_UCODE_TLV_API_NEW_VERSION		= (__force iwl_ucode_tlv_api_t)20,
 	IWL_UCODE_TLV_API_SCAN_TSF_REPORT	= (__force iwl_ucode_tlv_api_t)28,
 	IWL_UCODE_TLV_API_TKIP_MIC_KEYS		= (__force iwl_ucode_tlv_api_t)29,
+	IWL_UCODE_TLV_API_STA_TYPE		= (__force iwl_ucode_tlv_api_t)30,
 
 	NUM_IWL_UCODE_TLV_API
 #ifdef __CHECKER__

drivers/net/wireless/intel/iwlwifi/iwl-io.c

@@ -246,6 +246,9 @@ void iwl_force_nmi(struct iwl_trans *trans)
 			       DEVICE_SET_NMI_VAL_DRV);
 		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
 			       DEVICE_SET_NMI_VAL_HW);
+	} else if (trans->cfg->gen2) {
+		iwl_write_prph(trans, UREG_NIC_SET_NMI_DRIVER,
+			       DEVICE_SET_NMI_8000_VAL);
 	} else {
 		iwl_write_prph(trans, DEVICE_SET_NMI_8000_REG,
 			       DEVICE_SET_NMI_8000_VAL);

drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c

@@ -7,7 +7,7 @@
  *
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2016 Intel Deutschland GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -34,6 +34,7 @@
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -438,25 +439,16 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
 	vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map;
 }
 
-static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
-			    struct iwl_nvm_data *data,
-			    const __le16 *ch_section,
-			    u8 tx_chains, u8 rx_chains, bool lar_supported)
+void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
+		     struct iwl_nvm_data *data, const __le16 *nvm_ch_flags,
+		     u8 tx_chains, u8 rx_chains, bool lar_supported)
 {
 	int n_channels;
 	int n_used = 0;
 	struct ieee80211_supported_band *sband;
 
-	if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
-		n_channels = iwl_init_channel_map(
-				dev, cfg, data,
-				&ch_section[NVM_CHANNELS], lar_supported);
-	else
-		n_channels = iwl_init_channel_map(
-				dev, cfg, data,
-				&ch_section[NVM_CHANNELS_FAMILY_8000],
-				lar_supported);
-
+	n_channels = iwl_init_channel_map(dev, cfg, data, nvm_ch_flags,
+					  lar_supported);
 	sband = &data->bands[NL80211_BAND_2GHZ];
 	sband->band = NL80211_BAND_2GHZ;
 	sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
@@ -482,6 +474,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
 		IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
 			    n_used, n_channels);
 }
+IWL_EXPORT_SYMBOL(iwl_init_sbands);
 
 static int iwl_get_sku(const struct iwl_cfg *cfg, const __le16 *nvm_sw,
 		       const __le16 *phy_sku)
@@ -559,8 +552,8 @@ static void iwl_flip_hw_address(__le32 mac_addr0, __le32 mac_addr1, u8 *dest)
 	dest[5] = hw_addr[0];
 }
 
-static void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
-					struct iwl_nvm_data *data)
+void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
+				 struct iwl_nvm_data *data)
 {
 	__le32 mac_addr0 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR0_STRAP));
 	__le32 mac_addr1 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR1_STRAP));
@@ -578,6 +571,7 @@ static void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
 
 	iwl_flip_hw_address(mac_addr0, mac_addr1, data->hw_addr);
 }
+IWL_EXPORT_SYMBOL(iwl_set_hw_address_from_csr);
 
 static void iwl_set_hw_address_family_8000(struct iwl_trans *trans,
 					   const struct iwl_cfg *cfg,
@@ -718,7 +712,7 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB);
 		data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1);
 		lar_enabled = true;
-		ch_section = nvm_sw;
+		ch_section = &nvm_sw[NVM_CHANNELS];
 	} else {
 		u16 lar_offset = data->nvm_version < 0xE39 ?
 				 NVM_LAR_OFFSET_FAMILY_8000_OLD :
@@ -728,7 +722,7 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		data->lar_enabled = !!(lar_config &
 				       NVM_LAR_ENABLED_FAMILY_8000);
 		lar_enabled = data->lar_enabled;
-		ch_section = regulatory;
+		ch_section = &regulatory[NVM_CHANNELS_FAMILY_8000];
 	}
 
 	/* If no valid mac address was found - bail out */

drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h

@@ -6,7 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved.
- * Copyright(c) 2016        Intel Deutschland GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -32,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -81,6 +82,19 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		   const __le16 *mac_override, const __le16 *phy_sku,
 		   u8 tx_chains, u8 rx_chains, bool lar_fw_supported);
 
+/**
+ * iwl_set_hw_address_from_csr - sets HW address for 9000 devices and on
+ */
+void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
+				 struct iwl_nvm_data *data);
+
+/**
+ * iwl_init_sbands - parse and set all channel profiles
+ */
+void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
+		     struct iwl_nvm_data *data, const __le16 *nvm_ch_flags,
+		     u8 tx_chains, u8 rx_chains, bool lar_supported);
+
 /**
  * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW
  *

drivers/net/wireless/intel/iwlwifi/iwl-prph.h

@@ -114,6 +114,7 @@
 #define DEVICE_SET_NMI_VAL_DRV BIT(7)
 #define DEVICE_SET_NMI_8000_REG 0x00a01c24
 #define DEVICE_SET_NMI_8000_VAL 0x1000000
+#define UREG_NIC_SET_NMI_DRIVER 0x00a05c10
 
 /* Shared registers (0x0..0x3ff, via target indirect or periphery */
 #define SHR_BASE	0x00a10000

drivers/net/wireless/intel/iwlwifi/iwl-trans.h

@@ -396,6 +396,8 @@ static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r)
  * currently supports
  */
 #define IWL_MAX_HW_QUEUES		32
+#define IWL_MAX_TVQM_QUEUES		512
+
 #define IWL_MAX_TID_COUNT	8
 #define IWL_MGMT_TID		15
 #define IWL_FRAME_LIMIT	64
@@ -689,7 +691,7 @@ struct iwl_trans_ops {
 	void (*txq_set_shared_mode)(struct iwl_trans *trans, u32 txq_id,
 				    bool shared);
 
-	int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm);
+	int (*wait_tx_queues_empty)(struct iwl_trans *trans, u32 txq_bm);
 	void (*freeze_txq_timer)(struct iwl_trans *trans, unsigned long txqs,
 				 bool freeze);
 	void (*block_txq_ptrs)(struct iwl_trans *trans, bool block);
@@ -1193,15 +1195,15 @@ static inline void iwl_trans_block_txq_ptrs(struct iwl_trans *trans,
 		trans->ops->block_txq_ptrs(trans, block);
 }
 
-static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans,
-						u32 txqs)
+static inline int iwl_trans_wait_tx_queues_empty(struct iwl_trans *trans,
+						 u32 txqs)
 {
 	if (WARN_ON_ONCE(trans->state != IWL_TRANS_FW_ALIVE)) {
 		IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
 		return -EIO;
 	}
 
-	return trans->ops->wait_tx_queue_empty(trans, txqs);
+	return trans->ops->wait_tx_queues_empty(trans, txqs);
 }
 
 static inline void iwl_trans_write8(struct iwl_trans *trans, u32 ofs, u8 val)

drivers/net/wireless/intel/iwlwifi/mvm/binding.c

@@ -86,6 +86,8 @@ static int iwl_mvm_binding_cmd(struct iwl_mvm *mvm, u32 action,
 	u32 status;
 	int size;
 
+	memset(&cmd, 0, sizeof(cmd));
+
 	if (fw_has_capa(&mvm->fw->ucode_capa,
 			IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT)) {
 		size = sizeof(cmd);
@@ -98,8 +100,6 @@ static int iwl_mvm_binding_cmd(struct iwl_mvm *mvm, u32 action,
 		size = IWL_BINDING_CMD_SIZE_V1;
 	}
 
-	memset(&cmd, 0, sizeof(cmd));
-
 	cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id,
 							   phyctxt->color));
 	cmd.action = cpu_to_le32(action);

drivers/net/wireless/intel/iwlwifi/mvm/fw-api-mac.h

@@ -157,7 +157,8 @@ enum iwl_tsf_id {
  * @bi_reciprocal: 2^32 / bi
  * @dtim_interval: dtim transmit time in TU
  * @dtim_reciprocal: 2^32 / dtim_interval
- * @mcast_qid: queue ID for multicast traffic
+ * @mcast_qid: queue ID for multicast traffic.
+ *	NOTE: obsolete from VER2 and on
  * @beacon_template: beacon template ID
  */
 struct iwl_mac_data_ap {
@@ -169,7 +170,7 @@ struct iwl_mac_data_ap {
 	__le32 dtim_reciprocal;
 	__le32 mcast_qid;
 	__le32 beacon_template;
-} __packed; /* AP_MAC_DATA_API_S_VER_1 */
+} __packed; /* AP_MAC_DATA_API_S_VER_2 */
 
 /**
  * struct iwl_mac_data_ibss - configuration data for IBSS MAC context