Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kva…

…lo/ath.git

ath.git patches for v5.6. Major changes:

ar5523

* add support for SMCWUSBT-G2 USB device

Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt

@@ -50,7 +50,7 @@ Optional properties:
           entry in clock-names.
 - clock-names: Should contain the clock names "wifi_wcss_cmd", "wifi_wcss_ref",
 	       "wifi_wcss_rtc" for "qcom,ipq4019-wifi" compatible target and
-	       "cxo_ref_clk_pin" for "qcom,wcn3990-wifi"
+	       "cxo_ref_clk_pin" and optionally "qdss" for "qcom,wcn3990-wifi"
 	       compatible target.
 - qcom,msi_addr: MSI interrupt address.
 - qcom,msi_base: Base value to add before writing MSI data into
@@ -88,6 +88,9 @@ Optional properties:
 		    of the host capability QMI request
 - qcom,xo-cal-data: xo cal offset to be configured in xo trim register.
 
+- qcom,msa-fixed-perm: Boolean context flag to disable SCM call for statically
+		       mapped msa region.
+
 Example (to supply PCI based wifi block details):
 
 In this example, the node is defined as child node of the PCI controller.
@@ -185,4 +188,5 @@ wifi@18000000 {
 		vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
 		memory-region = <&wifi_msa_mem>;
 		iommus = <&apps_smmu 0x0040 0x1>;
+		qcom,msa-fixed-perm;
 };

drivers/net/wireless/ath/ar5523/ar5523.c

@@ -74,7 +74,7 @@ static void ar5523_read_reply(struct ar5523 *ar, struct ar5523_cmd_hdr *hdr,
 
 	if (cmd->odata) {
 		if (cmd->olen < olen) {
-			ar5523_err(ar, "olen to small %d < %d\n",
+			ar5523_err(ar, "olen too small %d < %d\n",
 				   cmd->olen, olen);
 			cmd->olen = 0;
 			cmd->res = -EOVERFLOW;
@@ -1770,6 +1770,8 @@ static const struct usb_device_id ar5523_id_table[] = {
 	AR5523_DEVICE_UX(0x0846, 0x4300),	/* Netgear / WG111U */
 	AR5523_DEVICE_UG(0x0846, 0x4250),	/* Netgear / WG111T */
 	AR5523_DEVICE_UG(0x0846, 0x5f00),	/* Netgear / WPN111 */
+	AR5523_DEVICE_UG(0x083a, 0x4506),	/* SMC / EZ Connect
+						   SMCWUSBT-G2 */
 	AR5523_DEVICE_UG(0x157e, 0x3006),	/* Umedia / AR5523_1 */
 	AR5523_DEVICE_UX(0x157e, 0x3205),	/* Umedia / AR5523_2 */
 	AR5523_DEVICE_UG(0x157e, 0x3006),	/* Umedia / TEW444UBEU */

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -2140,7 +2140,7 @@ static bool ath10k_htt_rx_pn_check_replay_hl(struct ath10k *ar,
 	if (last_pn_valid)
 		pn_invalid = ath10k_htt_rx_pn_cmp48(&new_pn, last_pn);
 	else
-		peer->tids_last_pn_valid[tid] = 1;
+		peer->tids_last_pn_valid[tid] = true;
 
 	if (!pn_invalid)
 		last_pn->pn48 = new_pn.pn48;

drivers/net/wireless/ath/ath10k/hw.h

@@ -816,7 +816,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
 
 #define TARGET_10_4_TX_DBG_LOG_SIZE		1024
 #define TARGET_10_4_NUM_WDS_ENTRIES		32
-#define TARGET_10_4_DMA_BURST_SIZE		0
+#define TARGET_10_4_DMA_BURST_SIZE		1
 #define TARGET_10_4_MAC_AGGR_DELIM		0
 #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1
 #define TARGET_10_4_VOW_CONFIG			0

drivers/net/wireless/ath/ath10k/pci.c

@@ -1578,7 +1578,7 @@ static int ath10k_pci_set_ram_config(struct ath10k *ar, u32 config)
 	return 0;
 }
 
-/* if an error happened returns < 0, otherwise the length */
+/* Always returns the length */
 static int ath10k_pci_dump_memory_sram(struct ath10k *ar,
 				       const struct ath10k_mem_region *region,
 				       u8 *buf)
@@ -1604,11 +1604,22 @@ static int ath10k_pci_dump_memory_reg(struct ath10k *ar,
 {
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	u32 i;
+	int ret;
+
+	mutex_lock(&ar->conf_mutex);
+	if (ar->state != ATH10K_STATE_ON) {
+		ath10k_warn(ar, "Skipping pci_dump_memory_reg invalid state\n");
+		ret = -EIO;
+		goto done;
+	}
 
 	for (i = 0; i < region->len; i += 4)
 		*(u32 *)(buf + i) = ioread32(ar_pci->mem + region->start + i);
 
-	return region->len;
+	ret = region->len;
+done:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
 }
 
 /* if an error happened returns < 0, otherwise the length */
@@ -1704,7 +1715,11 @@ static void ath10k_pci_dump_memory(struct ath10k *ar,
 			count = ath10k_pci_dump_memory_sram(ar, current_region, buf);
 			break;
 		case ATH10K_MEM_REGION_TYPE_IOREG:
-			count = ath10k_pci_dump_memory_reg(ar, current_region, buf);
+			ret = ath10k_pci_dump_memory_reg(ar, current_region, buf);
+			if (ret < 0)
+				break;
+
+			count = ret;
 			break;
 		default:
 			ret = ath10k_pci_dump_memory_generic(ar, current_region, buf);

drivers/net/wireless/ath/ath10k/qmi.c

@@ -84,6 +84,9 @@ static int ath10k_qmi_setup_msa_permissions(struct ath10k_qmi *qmi)
 	int ret;
 	int i;
 
+	if (qmi->msa_fixed_perm)
+		return 0;
+
 	for (i = 0; i < qmi->nr_mem_region; i++) {
 		ret = ath10k_qmi_map_msa_permission(qmi, &qmi->mem_region[i]);
 		if (ret)
@@ -102,6 +105,9 @@ static void ath10k_qmi_remove_msa_permission(struct ath10k_qmi *qmi)
 {
 	int i;
 
+	if (qmi->msa_fixed_perm)
+		return;
+
 	for (i = 0; i < qmi->nr_mem_region; i++)
 		ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]);
 }
@@ -1035,6 +1041,9 @@ static int ath10k_qmi_setup_msa_resources(struct ath10k_qmi *qmi, u32 msa_size)
 		qmi->msa_mem_size = msa_size;
 	}
 
+	if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
+		qmi->msa_fixed_perm = true;
+
 	ath10k_dbg(ar, ATH10K_DBG_QMI, "msa pa: %pad , msa va: 0x%p\n",
 		   &qmi->msa_pa,
 		   qmi->msa_va);

drivers/net/wireless/ath/ath10k/qmi.h

@@ -104,6 +104,7 @@ struct ath10k_qmi {
 	bool fw_ready;
 	char fw_build_timestamp[MAX_TIMESTAMP_LEN + 1];
 	struct ath10k_qmi_cal_data cal_data[MAX_NUM_CAL_V01];
+	bool msa_fixed_perm;
 };
 
 int ath10k_qmi_wlan_enable(struct ath10k *ar,

drivers/net/wireless/ath/ath10k/sdio.c

@@ -642,16 +642,23 @@ static int ath10k_sdio_mbox_rx_fetch(struct ath10k *ar)
 
 	ret = ath10k_sdio_readsb(ar, ar_sdio->mbox_info.htc_addr,
 				 skb->data, pkt->alloc_len);
-
-	if (ret) {
-		ar_sdio->n_rx_pkts = 0;
-		ath10k_sdio_mbox_free_rx_pkt(pkt);
-		return ret;
-	}
+	if (ret)
+		goto err;
 
 	htc_hdr = (struct ath10k_htc_hdr *)skb->data;
 	pkt->act_len = le16_to_cpu(htc_hdr->len) + sizeof(*htc_hdr);
+
+	if (pkt->act_len > pkt->alloc_len) {
+		ret = -EINVAL;
+		goto err;
+	}
+
 	skb_put(skb, pkt->act_len);
+	return 0;
+
+err:
+	ar_sdio->n_rx_pkts = 0;
+	ath10k_sdio_mbox_free_rx_pkt(pkt);
 
 	return ret;
 }
@@ -687,6 +694,11 @@ static int ath10k_sdio_mbox_rx_fetch_bundle(struct ath10k *ar)
 		htc_hdr = (struct ath10k_htc_hdr *)(ar_sdio->vsg_buffer + pkt_offset);
 		pkt->act_len = le16_to_cpu(htc_hdr->len) + sizeof(*htc_hdr);
 
+		if (pkt->act_len > pkt->alloc_len ) {
+			ret = -EINVAL;
+			goto err;
+		}
+
 		skb_put_data(pkt->skb, htc_hdr, pkt->act_len);
 		pkt_offset += pkt->alloc_len;
 	}

drivers/net/wireless/ath/ath10k/snoc.c

@@ -46,7 +46,7 @@ static const char * const ath10k_regulators[] = {
 };
 
 static const char * const ath10k_clocks[] = {
-	"cxo_ref_clk_pin",
+	"cxo_ref_clk_pin", "qdss",
 };
 
 static void ath10k_snoc_htc_tx_cb(struct ath10k_ce_pipe *ce_state);
@@ -582,7 +582,7 @@ static void ath10k_snoc_process_rx_cb(struct ath10k_ce_pipe *ce_state,
 				 max_nbytes, DMA_FROM_DEVICE);
 
 		if (unlikely(max_nbytes < nbytes)) {
-			ath10k_warn(ar, "rxed more than expected (nbytes %d, max %d)",
+			ath10k_warn(ar, "rxed more than expected (nbytes %d, max %d)\n",
 				    nbytes, max_nbytes);
 			dev_kfree_skb_any(skb);
 			continue;
@@ -1201,7 +1201,7 @@ static int ath10k_snoc_request_irq(struct ath10k *ar)
 				  irqflags, ce_name[id], ar);
 		if (ret) {
 			ath10k_err(ar,
-				   "failed to register IRQ handler for CE %d: %d",
+				   "failed to register IRQ handler for CE %d: %d\n",
 				   id, ret);
 			goto err_irq;
 		}
@@ -1466,26 +1466,23 @@ MODULE_DEVICE_TABLE(of, ath10k_snoc_dt_match);
 static int ath10k_snoc_probe(struct platform_device *pdev)
 {
 	const struct ath10k_snoc_drv_priv *drv_data;
-	const struct of_device_id *of_id;
 	struct ath10k_snoc *ar_snoc;
 	struct device *dev;
 	struct ath10k *ar;
 	u32 msa_size;
 	int ret;
 	u32 i;
 
-	of_id = of_match_device(ath10k_snoc_dt_match, &pdev->dev);
-	if (!of_id) {
-		dev_err(&pdev->dev, "failed to find matching device tree id\n");
+	dev = &pdev->dev;
+	drv_data = device_get_match_data(dev);
+	if (!drv_data) {
+		dev_err(dev, "failed to find matching device tree id\n");
 		return -EINVAL;
 	}
 
-	drv_data = of_id->data;
-	dev = &pdev->dev;
-
 	ret = dma_set_mask_and_coherent(dev, drv_data->dma_mask);
 	if (ret) {
-		dev_err(dev, "failed to set dma mask: %d", ret);
+		dev_err(dev, "failed to set dma mask: %d\n", ret);
 		return ret;
 	}
 

drivers/net/wireless/ath/ath10k/wmi.c

@@ -9490,7 +9490,7 @@ static int ath10k_wmi_mgmt_tx_clean_up_pending(int msdu_id, void *ptr,
 
 	msdu = pkt_addr->vaddr;
 	dma_unmap_single(ar->dev, pkt_addr->paddr,
-			 msdu->len, DMA_FROM_DEVICE);
+			 msdu->len, DMA_TO_DEVICE);
 	ieee80211_free_txskb(ar->hw, msdu);
 
 	return 0;

drivers/net/wireless/ath/ath11k/Kconfig

@@ -22,7 +22,7 @@ config ATH11K_DEBUG
 
 config ATH11K_DEBUGFS
 	bool "QCA ath11k debugfs support"
-	depends on ATH11K && DEBUG_FS
+	depends on ATH11K && DEBUG_FS && MAC80211_DEBUGFS
 	---help---
 	  Enable ath11k debugfs support
 

drivers/net/wireless/ath/ath11k/Makefile

@@ -17,8 +17,7 @@ ath11k-y += core.o \
 	    ce.o \
 	    peer.o
 
-ath11k-$(CONFIG_ATH11K_DEBUGFS) += debug_htt_stats.o
-ath11k-$(CONFIG_MAC80211_DEBUGFS) += debugfs_sta.o
+ath11k-$(CONFIG_ATH11K_DEBUGFS) += debug_htt_stats.o debugfs_sta.o
 ath11k-$(CONFIG_NL80211_TESTMODE) += testmode.o
 ath11k-$(CONFIG_ATH11K_TRACING) += trace.o
 

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

@@ -931,7 +931,22 @@ static ssize_t ath11k_write_pktlog_filter(struct file *file,
 			    HTT_RX_FILTER_TLV_FLAGS_PACKET_HEADER |
 			    HTT_RX_FILTER_TLV_FLAGS_ATTENTION;
 	} else if (mode == ATH11K_PKTLOG_MODE_LITE) {
+		ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar,
+							  HTT_PPDU_STATS_TAG_PKTLOG);
+		if (ret) {
+			ath11k_err(ar->ab, "failed to enable pktlog lite: %d\n", ret);
+			goto out;
+		}
+
 		rx_filter = HTT_RX_FILTER_TLV_LITE_MODE;
+	} else {
+		ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar,
+							  HTT_PPDU_STATS_TAG_DEFAULT);
+		if (ret) {
+			ath11k_err(ar->ab, "failed to send htt ppdu stats req: %d\n",
+				   ret);
+			goto out;
+		}
 	}
 
 	tlv_filter.rx_filter = rx_filter;

drivers/net/wireless/ath/ath11k/debug.h

@@ -172,6 +172,16 @@ static inline int ath11k_debug_is_extd_rx_stats_enabled(struct ath11k *ar)
 {
 	return ar->debug.extd_rx_stats;
 }
+
+void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			    struct ieee80211_sta *sta, struct dentry *dir);
+void
+ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
+				    struct ath11k_per_peer_tx_stats *peer_stats,
+				    u8 legacy_rate_idx);
+void ath11k_update_per_peer_stats_from_txcompl(struct ath11k *ar,
+					       struct sk_buff *msdu,
+					       struct hal_tx_status *ts);
 #else
 static inline int ath11k_debug_soc_create(struct ath11k_base *ab)
 {
@@ -243,19 +253,7 @@ static inline bool ath11k_debug_is_pktlog_peer_valid(struct ath11k *ar, u8 *addr
 {
 	return false;
 }
-#endif /* CONFIG_ATH11K_DEBUGFS */
 
-#ifdef CONFIG_MAC80211_DEBUGFS
-void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
-			    struct ieee80211_sta *sta, struct dentry *dir);
-void
-ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
-				    struct ath11k_per_peer_tx_stats *peer_stats,
-				    u8 legacy_rate_idx);
-void ath11k_update_per_peer_stats_from_txcompl(struct ath11k *ar,
-					       struct sk_buff *msdu,
-					       struct hal_tx_status *ts);
-#else /* !CONFIG_MAC80211_DEBUGFS */
 static inline void
 ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
 				    struct ath11k_per_peer_tx_stats *peer_stats,