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

ath.git patches for v6.3. Major changes:

ath12k

* new driver for Qualcomm Wi-Fi 7 devices

ath11k

* IPQ5018 support

* Fine Timing Measurement (FTM) responder role support

* channel 177 support

ath10k

* store WLAN firmware version in SMEM image table

Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml

@@ -20,6 +20,7 @@ properties:
       - qcom,ipq8074-wifi
       - qcom,ipq6018-wifi
       - qcom,wcn6750-wifi
+      - qcom,ipq5018-wifi
 
   reg:
     maxItems: 1

MAINTAINERS

@@ -17254,6 +17254,13 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
 F:	Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
 F:	drivers/net/wireless/ath/ath11k/
 
+QUALCOMM ATH12K WIRELESS DRIVER
+M:	Kalle Valo <kvalo@kernel.org>
+L:	ath12k@lists.infradead.org
+S:	Supported
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
+F:	drivers/net/wireless/ath/ath12k/
+
 QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
 M:	Toke Høiland-Jørgensen <toke@toke.dk>
 L:	linux-wireless@vger.kernel.org

drivers/net/wireless/ath/Kconfig

@@ -63,5 +63,6 @@ source "drivers/net/wireless/ath/wil6210/Kconfig"
 source "drivers/net/wireless/ath/ath10k/Kconfig"
 source "drivers/net/wireless/ath/wcn36xx/Kconfig"
 source "drivers/net/wireless/ath/ath11k/Kconfig"
+source "drivers/net/wireless/ath/ath12k/Kconfig"
 
 endif

drivers/net/wireless/ath/Makefile

@@ -8,6 +8,7 @@ obj-$(CONFIG_WIL6210)		+= wil6210/
 obj-$(CONFIG_ATH10K)		+= ath10k/
 obj-$(CONFIG_WCN36XX)		+= wcn36xx/
 obj-$(CONFIG_ATH11K)		+= ath11k/
+obj-$(CONFIG_ATH12K)		+= ath12k/
 
 obj-$(CONFIG_ATH_COMMON)	+= ath.o
 

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

@@ -208,14 +208,6 @@ ath10k_ce_shadow_src_ring_write_index_set(struct ath10k *ar,
 	ath10k_ce_write32(ar, shadow_sr_wr_ind_addr(ar, ce_state), value);
 }
 
-static inline void
-ath10k_ce_shadow_dest_ring_write_index_set(struct ath10k *ar,
-					   struct ath10k_ce_pipe *ce_state,
-					   unsigned int value)
-{
-	ath10k_ce_write32(ar, shadow_dst_wr_ind_addr(ar, ce_state), value);
-}
-
 static inline void ath10k_ce_src_ring_base_addr_set(struct ath10k *ar,
 						    u32 ce_id,
 						    u64 addr)

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

@@ -32,6 +32,9 @@ static const struct of_device_id ath11k_ahb_of_match[] = {
 	{ .compatible = "qcom,wcn6750-wifi",
 	  .data = (void *)ATH11K_HW_WCN6750_HW10,
 	},
+	{ .compatible = "qcom,ipq5018-wifi",
+	  .data = (void *)ATH11K_HW_IPQ5018_HW10,
+	},
 	{ }
 };
 
@@ -267,30 +270,42 @@ static void ath11k_ahb_clearbit32(struct ath11k_base *ab, u8 bit, u32 offset)
 static void ath11k_ahb_ce_irq_enable(struct ath11k_base *ab, u16 ce_id)
 {
 	const struct ce_attr *ce_attr;
+	const struct ce_ie_addr *ce_ie_addr = ab->hw_params.ce_ie_addr;
+	u32 ie1_reg_addr, ie2_reg_addr, ie3_reg_addr;
+
+	ie1_reg_addr = ce_ie_addr->ie1_reg_addr + ATH11K_CE_OFFSET(ab);
+	ie2_reg_addr = ce_ie_addr->ie2_reg_addr + ATH11K_CE_OFFSET(ab);
+	ie3_reg_addr = ce_ie_addr->ie3_reg_addr + ATH11K_CE_OFFSET(ab);
 
 	ce_attr = &ab->hw_params.host_ce_config[ce_id];
 	if (ce_attr->src_nentries)
-		ath11k_ahb_setbit32(ab, ce_id, CE_HOST_IE_ADDRESS);
+		ath11k_ahb_setbit32(ab, ce_id, ie1_reg_addr);
 
 	if (ce_attr->dest_nentries) {
-		ath11k_ahb_setbit32(ab, ce_id, CE_HOST_IE_2_ADDRESS);
+		ath11k_ahb_setbit32(ab, ce_id, ie2_reg_addr);
 		ath11k_ahb_setbit32(ab, ce_id + CE_HOST_IE_3_SHIFT,
-				    CE_HOST_IE_3_ADDRESS);
+				    ie3_reg_addr);
 	}
 }
 
 static void ath11k_ahb_ce_irq_disable(struct ath11k_base *ab, u16 ce_id)
 {
 	const struct ce_attr *ce_attr;
+	const struct ce_ie_addr *ce_ie_addr = ab->hw_params.ce_ie_addr;
+	u32 ie1_reg_addr, ie2_reg_addr, ie3_reg_addr;
+
+	ie1_reg_addr = ce_ie_addr->ie1_reg_addr + ATH11K_CE_OFFSET(ab);
+	ie2_reg_addr = ce_ie_addr->ie2_reg_addr + ATH11K_CE_OFFSET(ab);
+	ie3_reg_addr = ce_ie_addr->ie3_reg_addr + ATH11K_CE_OFFSET(ab);
 
 	ce_attr = &ab->hw_params.host_ce_config[ce_id];
 	if (ce_attr->src_nentries)
-		ath11k_ahb_clearbit32(ab, ce_id, CE_HOST_IE_ADDRESS);
+		ath11k_ahb_clearbit32(ab, ce_id, ie1_reg_addr);
 
 	if (ce_attr->dest_nentries) {
-		ath11k_ahb_clearbit32(ab, ce_id, CE_HOST_IE_2_ADDRESS);
+		ath11k_ahb_clearbit32(ab, ce_id, ie2_reg_addr);
 		ath11k_ahb_clearbit32(ab, ce_id + CE_HOST_IE_3_SHIFT,
-				      CE_HOST_IE_3_ADDRESS);
+				      ie3_reg_addr);
 	}
 }
 
@@ -1150,6 +1165,22 @@ static int ath11k_ahb_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_core_free;
 
+	ab->mem_ce = ab->mem;
+
+	if (ab->hw_params.ce_remap) {
+		const struct ce_remap *ce_remap = ab->hw_params.ce_remap;
+		/* ce register space is moved out of wcss unlike ipq8074 or ipq6018
+		 * and the space is not contiguous, hence remapping the CE registers
+		 * to a new space for accessing them.
+		 */
+		ab->mem_ce = ioremap(ce_remap->base, ce_remap->size);
+		if (IS_ERR(ab->mem_ce)) {
+			dev_err(&pdev->dev, "ce ioremap error\n");
+			ret = -ENOMEM;
+			goto err_core_free;
+		}
+	}
+
 	ret = ath11k_ahb_fw_resources_init(ab);
 	if (ret)
 		goto err_core_free;
@@ -1236,6 +1267,10 @@ static void ath11k_ahb_free_resources(struct ath11k_base *ab)
 	ath11k_ahb_release_smp2p_handle(ab);
 	ath11k_ahb_fw_resource_deinit(ab);
 	ath11k_ce_free_pipes(ab);
+
+	if (ab->hw_params.ce_remap)
+		iounmap(ab->mem_ce);
+
 	ath11k_core_free(ab);
 	platform_set_drvdata(pdev, NULL);
 }

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

@@ -49,6 +49,11 @@ void ath11k_ce_byte_swap(void *mem, u32 len);
 #define CE_HOST_IE_2_ADDRESS	0x00A18040
 #define CE_HOST_IE_3_ADDRESS	CE_HOST_IE_ADDRESS
 
+/* CE IE registers are different for IPQ5018 */
+#define CE_HOST_IPQ5018_IE_ADDRESS		0x0841804C
+#define CE_HOST_IPQ5018_IE_2_ADDRESS		0x08418050
+#define CE_HOST_IPQ5018_IE_3_ADDRESS		CE_HOST_IPQ5018_IE_ADDRESS
+
 #define CE_HOST_IE_3_SHIFT	0xC
 
 #define CE_RING_IDX_INCR(nentries_mask, idx) (((idx) + 1) & (nentries_mask))
@@ -84,6 +89,17 @@ struct ce_pipe_config {
 	__le32 reserved;
 };
 
+struct ce_ie_addr {
+	u32 ie1_reg_addr;
+	u32 ie2_reg_addr;
+	u32 ie3_reg_addr;
+};
+
+struct ce_remap {
+	u32 base;
+	u32 size;
+};
+
 struct ce_attr {
 	/* CE_ATTR_* values */
 	unsigned int flags;

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

@@ -54,6 +54,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.target_ce_count = 11,
 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074,
 		.svc_to_ce_map_len = 21,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
 		.single_pdev_only = false,
 		.rxdma1_enable = true,
 		.num_rxmda_per_pdev = 1,
@@ -115,6 +116,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tcl_ring_retry = true,
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
 		.smp2p_wow_exit = false,
+		.ftm_responder = true,
 	},
 	{
 		.hw_rev = ATH11K_HW_IPQ6018_HW10,
@@ -137,6 +139,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.target_ce_count = 11,
 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018,
 		.svc_to_ce_map_len = 19,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
 		.single_pdev_only = false,
 		.rxdma1_enable = true,
 		.num_rxmda_per_pdev = 1,
@@ -196,6 +199,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
 		.smp2p_wow_exit = false,
 		.support_fw_mac_sequence = false,
+		.ftm_responder = true,
 	},
 	{
 		.name = "qca6390 hw2.0",
@@ -218,6 +222,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.target_ce_count = 9,
 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
 		.svc_to_ce_map_len = 14,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
 		.single_pdev_only = true,
 		.rxdma1_enable = false,
 		.num_rxmda_per_pdev = 2,
@@ -279,6 +284,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
 		.smp2p_wow_exit = false,
 		.support_fw_mac_sequence = true,
+		.ftm_responder = false,
 	},
 	{
 		.name = "qcn9074 hw1.0",
@@ -301,6 +307,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.target_ce_count = 9,
 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qcn9074,
 		.svc_to_ce_map_len = 18,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
 		.rxdma1_enable = true,
 		.num_rxmda_per_pdev = 1,
 		.rx_mac_buf_ring = false,
@@ -359,6 +366,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
 		.smp2p_wow_exit = false,
 		.support_fw_mac_sequence = false,
+		.ftm_responder = true,
 	},
 	{
 		.name = "wcn6855 hw2.0",
@@ -381,6 +389,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.target_ce_count = 9,
 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
 		.svc_to_ce_map_len = 14,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
 		.single_pdev_only = true,
 		.rxdma1_enable = false,
 		.num_rxmda_per_pdev = 2,
@@ -442,6 +451,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
 		.smp2p_wow_exit = false,
 		.support_fw_mac_sequence = true,
+		.ftm_responder = false,
 	},
 	{
 		.name = "wcn6855 hw2.1",
@@ -524,6 +534,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
 		.smp2p_wow_exit = false,
 		.support_fw_mac_sequence = true,
+		.ftm_responder = false,
 	},
 	{
 		.name = "wcn6750 hw1.0",
@@ -546,6 +557,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.target_ce_count = 9,
 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
 		.svc_to_ce_map_len = 14,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq8074,
 		.single_pdev_only = true,
 		.rxdma1_enable = false,
 		.num_rxmda_per_pdev = 1,
@@ -603,6 +615,87 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE_WCN6750,
 		.smp2p_wow_exit = true,
 		.support_fw_mac_sequence = true,
+		.ftm_responder = false,
+	},
+	{
+		.hw_rev = ATH11K_HW_IPQ5018_HW10,
+		.name = "ipq5018 hw1.0",
+		.fw = {
+			.dir = "IPQ5018/hw1.0",
+			.board_size = 256 * 1024,
+			.cal_offset = 128 * 1024,
+		},
+		.max_radios = MAX_RADIOS_5018,
+		.bdf_addr = 0x4BA00000,
+		/* hal_desc_sz and hw ops are similar to qcn9074 */
+		.hal_desc_sz = sizeof(struct hal_rx_desc_qcn9074),
+		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074,
+		.ring_mask = &ath11k_hw_ring_mask_ipq8074,
+		.credit_flow = false,
+		.max_tx_ring = 1,
+		.spectral = {
+			.fft_sz = 2,
+			.fft_pad_sz = 0,
+			.summary_pad_sz = 16,
+			.fft_hdr_len = 24,
+			.max_fft_bins = 1024,
+		},
+		.internal_sleep_clock = false,
+		.regs = &ipq5018_regs,
+		.hw_ops = &ipq5018_ops,
+		.host_ce_config = ath11k_host_ce_config_qcn9074,
+		.ce_count = CE_CNT_5018,
+		.target_ce_config = ath11k_target_ce_config_wlan_ipq5018,
+		.target_ce_count = TARGET_CE_CNT_5018,
+		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq5018,
+		.svc_to_ce_map_len = SVC_CE_MAP_LEN_5018,
+		.ce_ie_addr = &ath11k_ce_ie_addr_ipq5018,
+		.ce_remap = &ath11k_ce_remap_ipq5018,
+		.rxdma1_enable = true,
+		.num_rxmda_per_pdev = RXDMA_PER_PDEV_5018,
+		.rx_mac_buf_ring = false,
+		.vdev_start_delay = false,
+		.htt_peer_map_v2 = true,
+		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
+			BIT(NL80211_IFTYPE_AP) |
+			BIT(NL80211_IFTYPE_MESH_POINT),
+		.supports_monitor = false,
+		.supports_sta_ps = false,
+		.supports_shadow_regs = false,
+		.fw_mem_mode = 0,
+		.num_vdevs = 16 + 1,
+		.num_peers = 512,
+		.supports_regdb = false,
+		.idle_ps = false,
+		.supports_suspend = false,
+		.hal_params = &ath11k_hw_hal_params_ipq8074,
+		.single_pdev_only = false,
+		.cold_boot_calib = true,
+		.fix_l1ss = true,
+		.supports_dynamic_smps_6ghz = false,
+		.alloc_cacheable_memory = true,
+		.supports_rssi_stats = false,
+		.fw_wmi_diag_event = false,
+		.current_cc_support = false,
+		.dbr_debug_support = true,
+		.global_reset = false,
+		.bios_sar_capa = NULL,
+		.m3_fw_support = false,
+		.fixed_bdf_addr = true,
+		.fixed_mem_region = true,
+		.static_window_map = false,
+		.hybrid_bus_type = false,
+		.fixed_fw_mem = false,
+		.support_off_channel_tx = false,
+		.supports_multi_bssid = false,
+
+		.sram_dump = {},
+
+		.tcl_ring_retry = true,
+		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
+		.smp2p_wow_exit = false,
+		.support_fw_mac_sequence = false,
+		.ftm_responder = true,
 	},
 };
 

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

@@ -142,6 +142,7 @@ enum ath11k_hw_rev {
 	ATH11K_HW_WCN6855_HW20,
 	ATH11K_HW_WCN6855_HW21,
 	ATH11K_HW_WCN6750_HW10,
+	ATH11K_HW_IPQ5018_HW10,
 };
 
 enum ath11k_firmware_mode {
@@ -230,6 +231,13 @@ struct ath11k_he {
 
 #define MAX_RADIOS 3
 
+/* ipq5018 hw param macros */
+#define MAX_RADIOS_5018	1
+#define CE_CNT_5018	6
+#define TARGET_CE_CNT_5018	9
+#define SVC_CE_MAP_LEN_5018	17
+#define RXDMA_PER_PDEV_5018	1
+
 enum {
 	WMI_HOST_TP_SCALE_MAX   = 0,
 	WMI_HOST_TP_SCALE_50    = 1,
@@ -338,6 +346,7 @@ struct ath11k_vif {
 
 	bool is_started;
 	bool is_up;
+	bool ftm_responder;
 	bool spectral_enabled;
 	bool ps;
 	u32 aid;
@@ -512,8 +521,8 @@ struct ath11k_sta {
 #define ATH11K_MIN_5G_FREQ 4150
 #define ATH11K_MIN_6G_FREQ 5925
 #define ATH11K_MAX_6G_FREQ 7115
-#define ATH11K_NUM_CHANS 101
-#define ATH11K_MAX_5G_CHAN 173
+#define ATH11K_NUM_CHANS 102
+#define ATH11K_MAX_5G_CHAN 177
 
 enum ath11k_state {
 	ATH11K_STATE_OFF,
@@ -843,6 +852,7 @@ struct ath11k_base {
 	struct ath11k_dp dp;
 
 	void __iomem *mem;
+	void __iomem *mem_ce;
 	unsigned long mem_len;
 
 	struct {
@@ -912,7 +922,6 @@ struct ath11k_base {
 	enum ath11k_dfs_region dfs_region;
 #ifdef CONFIG_ATH11K_DEBUGFS
 	struct dentry *debugfs_soc;
-	struct dentry *debugfs_ath11k;
 #endif
 	struct ath11k_soc_dp_stats soc_stats;
 
@@ -1138,6 +1147,9 @@ extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq6018
 extern const struct ce_pipe_config ath11k_target_ce_config_wlan_qca6390[];
 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_qca6390[];
 
+extern const struct ce_pipe_config ath11k_target_ce_config_wlan_ipq5018[];
+extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq5018[];
+
 extern const struct ce_pipe_config ath11k_target_ce_config_wlan_qcn9074[];
 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_qcn9074[];
 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab);

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

@@ -976,10 +976,6 @@ int ath11k_debugfs_pdev_create(struct ath11k_base *ab)
 	if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
 		return 0;
 
-	ab->debugfs_soc = debugfs_create_dir(ab->hw_params.name, ab->debugfs_ath11k);
-	if (IS_ERR(ab->debugfs_soc))
-		return PTR_ERR(ab->debugfs_soc);
-
 	debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab,
 			    &fops_simulate_fw_crash);
 
@@ -1001,15 +997,51 @@ void ath11k_debugfs_pdev_destroy(struct ath11k_base *ab)
 
 int ath11k_debugfs_soc_create(struct ath11k_base *ab)
 {
-	ab->debugfs_ath11k = debugfs_create_dir("ath11k", NULL);
+	struct dentry *root;
+	bool dput_needed;
+	char name[64];
+	int ret;
+
+	root = debugfs_lookup("ath11k", NULL);
+	if (!root) {
+		root = debugfs_create_dir("ath11k", NULL);
+		if (IS_ERR_OR_NULL(root))
+			return PTR_ERR(root);
+
+		dput_needed = false;
+	} else {
+		/* a dentry from lookup() needs dput() after we don't use it */
+		dput_needed = true;
+	}
+
+	scnprintf(name, sizeof(name), "%s-%s", ath11k_bus_str(ab->hif.bus),
+		  dev_name(ab->dev));
+
+	ab->debugfs_soc = debugfs_create_dir(name, root);
+	if (IS_ERR_OR_NULL(ab->debugfs_soc)) {
+		ret = PTR_ERR(ab->debugfs_soc);
+		goto out;
+	}
 
-	return PTR_ERR_OR_ZERO(ab->debugfs_ath11k);
+	ret = 0;
+
+out:
+	if (dput_needed)
+		dput(root);
+
+	return ret;
 }
 
 void ath11k_debugfs_soc_destroy(struct ath11k_base *ab)
 {
-	debugfs_remove_recursive(ab->debugfs_ath11k);
-	ab->debugfs_ath11k = NULL;
+	debugfs_remove_recursive(ab->debugfs_soc);
+	ab->debugfs_soc = NULL;
+
+	/* We are not removing ath11k directory on purpose, even if it
+	 * would be empty. This simplifies the directory handling and it's
+	 * a minor cosmetic issue to leave an empty ath11k directory to
+	 * debugfs.
+	 */
 }
 EXPORT_SYMBOL(ath11k_debugfs_soc_destroy);
 

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

@@ -1535,14 +1535,13 @@ struct htt_ppdu_stats_info *ath11k_dp_htt_get_ppdu_desc(struct ath11k *ar,
 {
 	struct htt_ppdu_stats_info *ppdu_info;
 
-	spin_lock_bh(&ar->data_lock);
+	lockdep_assert_held(&ar->data_lock);
+
 	if (!list_empty(&ar->ppdu_stats_info)) {
 		list_for_each_entry(ppdu_info, &ar->ppdu_stats_info, list) {
-			if (ppdu_info->ppdu_id == ppdu_id) {
-				spin_unlock_bh(&ar->data_lock);
+			if (ppdu_info->ppdu_id == ppdu_id)
 				return ppdu_info;
 		}
-		}
 
 		if (ar->ppdu_stat_list_depth > HTT_PPDU_DESC_MAX_DEPTH) {
 			ppdu_info = list_first_entry(&ar->ppdu_stats_info,
@@ -1553,16 +1552,13 @@ struct htt_ppdu_stats_info *ath11k_dp_htt_get_ppdu_desc(struct ath11k *ar,
 			kfree(ppdu_info);
 		}
 	}
-	spin_unlock_bh(&ar->data_lock);
 
 	ppdu_info = kzalloc(sizeof(*ppdu_info), GFP_ATOMIC);
 	if (!ppdu_info)
 		return NULL;
 
-	spin_lock_bh(&ar->data_lock);
 	list_add_tail(&ppdu_info->list, &ar->ppdu_stats_info);
 	ar->ppdu_stat_list_depth++;
-	spin_unlock_bh(&ar->data_lock);
 
 	return ppdu_info;
 }
@@ -1586,16 +1582,17 @@ static int ath11k_htt_pull_ppdu_stats(struct ath11k_base *ab,
 	ar = ath11k_mac_get_ar_by_pdev_id(ab, pdev_id);
 	if (!ar) {
 		ret = -EINVAL;
-		goto exit;
+		goto out;
 	}
 
 	if (ath11k_debugfs_is_pktlog_lite_mode_enabled(ar))
 		trace_ath11k_htt_ppdu_stats(ar, skb->data, len);
 
+	spin_lock_bh(&ar->data_lock);
 	ppdu_info = ath11k_dp_htt_get_ppdu_desc(ar, ppdu_id);
 	if (!ppdu_info) {
 		ret = -EINVAL;
-		goto exit;
+		goto out_unlock_data;
 	}
 
 	ppdu_info->ppdu_id = ppdu_id;
@@ -1604,10 +1601,13 @@ static int ath11k_htt_pull_ppdu_stats(struct ath11k_base *ab,
 				     (void *)ppdu_info);
 	if (ret) {
 		ath11k_warn(ab, "Failed to parse tlv %d\n", ret);
-		goto exit;
+		goto out_unlock_data;
 	}
 
-exit:
+out_unlock_data:
+	spin_unlock_bh(&ar->data_lock);
+
+out:
 	rcu_read_unlock();
 
 	return ret;
@@ -3126,6 +3126,7 @@ int ath11k_peer_rx_frag_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id
 	if (!peer) {
 		ath11k_warn(ab, "failed to find the peer to set up fragment info\n");
 		spin_unlock_bh(&ab->base_lock);
+		crypto_free_shash(tfm);
 		return -ENOENT;
 	}
 
@@ -5022,6 +5023,7 @@ static int ath11k_dp_rx_mon_deliver(struct ath11k *ar, u32 mac_id,
 		} else {
 			rxs->flag |= RX_FLAG_ALLOW_SAME_PN;
 		}
+		rxs->flag |= RX_FLAG_ONLY_MONITOR;
 		ath11k_update_radiotap(ar, ppduinfo, mon_skb, rxs);
 
 		ath11k_dp_rx_deliver_msdu(ar, napi, mon_skb, rxs);

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

@@ -1220,16 +1220,20 @@ static int ath11k_hal_srng_create_config(struct ath11k_base *ab)
 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP;
 
 	s = &hal->srng_config[HAL_CE_SRC];
-	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_BASE_LSB;
-	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_HP;
+	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_BASE_LSB +
+		ATH11K_CE_OFFSET(ab);
+	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_HP +
+		ATH11K_CE_OFFSET(ab);
 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) -
 		HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab);
 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) -
 		HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab);
 
 	s = &hal->srng_config[HAL_CE_DST];
-	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_BASE_LSB;
-	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_HP;
+	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_BASE_LSB +
+		ATH11K_CE_OFFSET(ab);
+	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_HP +
+		ATH11K_CE_OFFSET(ab);
 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
@@ -1237,8 +1241,9 @@ static int ath11k_hal_srng_create_config(struct ath11k_base *ab)
 
 	s = &hal->srng_config[HAL_CE_DST_STATUS];
 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) +
-		HAL_CE_DST_STATUS_RING_BASE_LSB;
-	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_HP;
+		HAL_CE_DST_STATUS_RING_BASE_LSB + ATH11K_CE_OFFSET(ab);
+	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_HP +
+		ATH11K_CE_OFFSET(ab);
 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -

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

@@ -321,6 +321,10 @@ struct ath11k_base;
 #define HAL_WBM2SW_RELEASE_RING_BASE_MSB_RING_SIZE	0x000fffff
 #define HAL_RXDMA_RING_MAX_SIZE				0x0000ffff
 
+/* IPQ5018 ce registers */
+#define HAL_IPQ5018_CE_WFSS_REG_BASE		0x08400000
+#define HAL_IPQ5018_CE_SIZE			0x200000
+
 /* Add any other errors here and return them in
  * ath11k_hal_rx_desc_get_err().
  */
@@ -519,6 +523,7 @@ enum hal_srng_dir {
 #define HAL_SRNG_FLAGS_MSI_INTR			0x00020000
 #define HAL_SRNG_FLAGS_CACHED                   0x20000000
 #define HAL_SRNG_FLAGS_LMAC_RING		0x80000000
+#define HAL_SRNG_FLAGS_REMAP_CE_RING        0x10000000
 
 #define HAL_SRNG_TLV_HDR_TAG		GENMASK(9, 1)
 #define HAL_SRNG_TLV_HDR_LEN		GENMASK(25, 10)

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

@@ -80,6 +80,8 @@
 #define ATH11K_M3_FILE			"m3.bin"
 #define ATH11K_REGDB_FILE_NAME		"regdb.bin"
 
+#define ATH11K_CE_OFFSET(ab)	(ab->mem_ce - ab->mem)
+
 enum ath11k_hw_rate_cck {
 	ATH11K_HW_RATE_CCK_LP_11M = 0,
 	ATH11K_HW_RATE_CCK_LP_5_5M,
@@ -158,6 +160,8 @@ struct ath11k_hw_params {
 	u32 target_ce_count;
 	const struct service_to_pipe *svc_to_ce_map;
 	u32 svc_to_ce_map_len;
+	const struct ce_ie_addr *ce_ie_addr;
+	const struct ce_remap *ce_remap;
 
 	bool single_pdev_only;
 
@@ -220,6 +224,7 @@ struct ath11k_hw_params {
 	u32 tx_ring_size;
 	bool smp2p_wow_exit;
 	bool support_fw_mac_sequence;
+	bool ftm_responder;
 };
 
 struct ath11k_hw_ops {
@@ -271,12 +276,18 @@ extern const struct ath11k_hw_ops qca6390_ops;
 extern const struct ath11k_hw_ops qcn9074_ops;
 extern const struct ath11k_hw_ops wcn6855_ops;
 extern const struct ath11k_hw_ops wcn6750_ops;
+extern const struct ath11k_hw_ops ipq5018_ops;
 
 extern const struct ath11k_hw_ring_mask ath11k_hw_ring_mask_ipq8074;
 extern const struct ath11k_hw_ring_mask ath11k_hw_ring_mask_qca6390;
 extern const struct ath11k_hw_ring_mask ath11k_hw_ring_mask_qcn9074;
 extern const struct ath11k_hw_ring_mask ath11k_hw_ring_mask_wcn6750;
 
+extern const struct ce_ie_addr ath11k_ce_ie_addr_ipq8074;
+extern const struct ce_ie_addr ath11k_ce_ie_addr_ipq5018;
+
+extern const struct ce_remap ath11k_ce_remap_ipq5018;
+
 extern const struct ath11k_hw_hal_params ath11k_hw_hal_params_ipq8074;
 extern const struct ath11k_hw_hal_params ath11k_hw_hal_params_qca6390;
 extern const struct ath11k_hw_hal_params ath11k_hw_hal_params_wcn6750;
@@ -406,6 +417,7 @@ extern const struct ath11k_hw_regs qca6390_regs;
 extern const struct ath11k_hw_regs qcn9074_regs;
 extern const struct ath11k_hw_regs wcn6855_regs;
 extern const struct ath11k_hw_regs wcn6750_regs;
+extern const struct ath11k_hw_regs ipq5018_regs;
 
 static inline const char *ath11k_bd_ie_type_str(enum ath11k_bd_ie_type type)
 {

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

@@ -96,6 +96,7 @@ static const struct ieee80211_channel ath11k_5ghz_channels[] = {
 	CHAN5G(165, 5825, 0),
 	CHAN5G(169, 5845, 0),
 	CHAN5G(173, 5865, 0),
+	CHAN5G(177, 5885, 0),
 };
 
 static const struct ieee80211_channel ath11k_6ghz_channels[] = {
@@ -3110,7 +3111,7 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 	u16 bitrate;
 	int ret = 0;
 	u8 rateidx;
-	u32 rate;
+	u32 rate, param;
 	u32 ipv4_cnt;
 
 	mutex_lock(&ar->conf_mutex);
@@ -3412,6 +3413,20 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
+	if (changed & BSS_CHANGED_FTM_RESPONDER &&
+	    arvif->ftm_responder != info->ftm_responder &&
+	    ar->ab->hw_params.ftm_responder &&
+	    (vif->type == NL80211_IFTYPE_AP ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT)) {
+		arvif->ftm_responder = info->ftm_responder;
+		param = WMI_VDEV_PARAM_ENABLE_DISABLE_RTT_RESPONDER_ROLE;
+		ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
+						    arvif->ftm_responder);
+		if (ret)
+			ath11k_warn(ar->ab, "Failed to set ftm responder %i: %d\n",
+				    arvif->vdev_id, ret);
+	}
+
 	if (changed & BSS_CHANGED_FILS_DISCOVERY ||
 	    changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP)
 		ath11k_mac_fils_discovery(arvif, info);
@@ -3612,7 +3627,7 @@ static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
 	struct ath11k *ar = hw->priv;
 	struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
 	struct cfg80211_scan_request *req = &hw_req->req;
-	struct scan_req_params arg;
+	struct scan_req_params *arg = NULL;
 	int ret = 0;
 	int i;
 	u32 scan_timeout;
@@ -3640,72 +3655,78 @@ static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
 	if (ret)
 		goto exit;
 
-	memset(&arg, 0, sizeof(arg));
-	ath11k_wmi_start_scan_init(ar, &arg);
-	arg.vdev_id = arvif->vdev_id;
-	arg.scan_id = ATH11K_SCAN_ID;
+	arg = kzalloc(sizeof(*arg), GFP_KERNEL);
+
+	if (!arg) {
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	ath11k_wmi_start_scan_init(ar, arg);
+	arg->vdev_id = arvif->vdev_id;
+	arg->scan_id = ATH11K_SCAN_ID;
 
 	if (req->ie_len) {
-		arg.extraie.ptr = kmemdup(req->ie, req->ie_len, GFP_KERNEL);
-		if (!arg.extraie.ptr) {
+		arg->extraie.ptr = kmemdup(req->ie, req->ie_len, GFP_KERNEL);
+		if (!arg->extraie.ptr) {
 			ret = -ENOMEM;
 			goto exit;
 		}
-		arg.extraie.len = req->ie_len;
+		arg->extraie.len = req->ie_len;
 	}
 
 	if (req->n_ssids) {
-		arg.num_ssids = req->n_ssids;
-		for (i = 0; i < arg.num_ssids; i++) {
-			arg.ssid[i].length  = req->ssids[i].ssid_len;
-			memcpy(&arg.ssid[i].ssid, req->ssids[i].ssid,
+		arg->num_ssids = req->n_ssids;
+		for (i = 0; i < arg->num_ssids; i++) {
+			arg->ssid[i].length  = req->ssids[i].ssid_len;
+			memcpy(&arg->ssid[i].ssid, req->ssids[i].ssid,
 			       req->ssids[i].ssid_len);
 		}
 	} else {
-		arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE;
+		arg->scan_flags |= WMI_SCAN_FLAG_PASSIVE;
 	}
 
 	if (req->n_channels) {
-		arg.num_chan = req->n_channels;
-		arg.chan_list = kcalloc(arg.num_chan, sizeof(*arg.chan_list),
+		arg->num_chan = req->n_channels;
+		arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list),
 					 GFP_KERNEL);
 
-		if (!arg.chan_list) {
+		if (!arg->chan_list) {
 			ret = -ENOMEM;
 			goto exit;
 		}
 
-		for (i = 0; i < arg.num_chan; i++)
-			arg.chan_list[i] = req->channels[i]->center_freq;
+		for (i = 0; i < arg->num_chan; i++)
+			arg->chan_list[i] = req->channels[i]->center_freq;
 	}
 
 	if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
-		arg.scan_f_add_spoofed_mac_in_probe = 1;
-		ether_addr_copy(arg.mac_addr.addr, req->mac_addr);
-		ether_addr_copy(arg.mac_mask.addr, req->mac_addr_mask);
+		arg->scan_f_add_spoofed_mac_in_probe = 1;
+		ether_addr_copy(arg->mac_addr.addr, req->mac_addr);
+		ether_addr_copy(arg->mac_mask.addr, req->mac_addr_mask);
 	}
 
 	/* if duration is set, default dwell times will be overwritten */
 	if (req->duration) {
-		arg.dwell_time_active = req->duration;
-		arg.dwell_time_active_2g = req->duration;
-		arg.dwell_time_active_6g = req->duration;
-		arg.dwell_time_passive = req->duration;
-		arg.dwell_time_passive_6g = req->duration;
-		arg.burst_duration = req->duration;
-
-		scan_timeout = min_t(u32, arg.max_rest_time *
-				(arg.num_chan - 1) + (req->duration +
+		arg->dwell_time_active = req->duration;
+		arg->dwell_time_active_2g = req->duration;
+		arg->dwell_time_active_6g = req->duration;
+		arg->dwell_time_passive = req->duration;
+		arg->dwell_time_passive_6g = req->duration;
+		arg->burst_duration = req->duration;
+
+		scan_timeout = min_t(u32, arg->max_rest_time *
+				(arg->num_chan - 1) + (req->duration +
 				ATH11K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) *
-				arg.num_chan, arg.max_scan_time);
+				arg->num_chan, arg->max_scan_time);
 	} else {
-		scan_timeout = arg.max_scan_time;
+		scan_timeout = arg->max_scan_time;
 	}
 
 	/* Add a margin to account for event/command processing */
 	scan_timeout += ATH11K_MAC_SCAN_CMD_EVT_OVERHEAD;
 
-	ret = ath11k_start_scan(ar, &arg);
+	ret = ath11k_start_scan(ar, arg);
 	if (ret) {
 		ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret);
 		spin_lock_bh(&ar->data_lock);
@@ -3717,10 +3738,11 @@ static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
 				     msecs_to_jiffies(scan_timeout));
 
 exit:
-	kfree(arg.chan_list);
-
-	if (req->ie_len)
-		kfree(arg.extraie.ptr);
+	if (arg) {
+		kfree(arg->chan_list);
+		kfree(arg->extraie.ptr);
+		kfree(arg);
+	}
 
 	mutex_unlock(&ar->conf_mutex);
 
@@ -9106,6 +9128,10 @@ static int __ath11k_mac_register(struct ath11k *ar)
 	wiphy_ext_feature_set(ar->hw->wiphy,
 			      NL80211_EXT_FEATURE_SET_SCAN_DWELL);
 
+	if (ab->hw_params.ftm_responder)
+		wiphy_ext_feature_set(ar->hw->wiphy,
+				      NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
+
 	ath11k_reg_init(ar);
 
 	if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {

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

@@ -543,6 +543,8 @@ static int ath11k_pci_claim(struct ath11k_pci *ab_pci, struct pci_dev *pdev)
 		goto clear_master;
 	}
 
+	ab->mem_ce = ab->mem;
+
 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot pci_mem 0x%pK\n", ab->mem);
 	return 0;
 

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

@@ -1073,6 +1073,7 @@ enum wmi_tlv_vdev_param {
 	WMI_VDEV_PARAM_ENABLE_BCAST_PROBE_RESPONSE,
 	WMI_VDEV_PARAM_FILS_MAX_CHANNEL_GUARD_TIME,
 	WMI_VDEV_PARAM_HE_LTF = 0x74,
+	WMI_VDEV_PARAM_ENABLE_DISABLE_RTT_RESPONDER_ROLE = 0x7d,
 	WMI_VDEV_PARAM_BA_MODE = 0x7e,
 	WMI_VDEV_PARAM_AUTORATE_MISC_CFG = 0x80,
 	WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE = 0x87,

drivers/net/wireless/ath/ath12k/Kconfig

+# SPDX-License-Identifier: BSD-3-Clause-Clear
+config ATH12K
+	tristate "Qualcomm Technologies Wi-Fi 7 support (ath12k)"
+	depends on MAC80211 && HAS_DMA && PCI
+	depends on CRYPTO_MICHAEL_MIC
+	select QCOM_QMI_HELPERS
+	select MHI_BUS
+	select QRTR
+	select QRTR_MHI
+	help
+	  Enable support for Qualcomm Technologies Wi-Fi 7 (IEEE
+	  802.11be) family of chipsets, for example WCN7850 and
+	  QCN9274.
+
+	  If you choose to build a module, it'll be called ath12k.
+
+config ATH12K_DEBUG
+	bool "ath12k debugging"
+	depends on ATH12K
+	help
+	  Enable debug support, for example debug messages which must
+	  be enabled separately using the debug_mask module parameter.
+
+	  If unsure, say Y to make it easier to debug problems. But if
+	  you want optimal performance choose N.
+
+config ATH12K_TRACING
+	bool "ath12k tracing support"
+	depends on ATH12K && EVENT_TRACING
+	help
+	  Enable ath12k tracing infrastructure.
+
+	  If unsure, say Y to make it easier to debug problems. But if
+	  you want optimal performance choose N.

drivers/net/wireless/ath/ath12k/Makefile

+# SPDX-License-Identifier: BSD-3-Clause-Clear
+obj-$(CONFIG_ATH12K) += ath12k.o
+ath12k-y += core.o \
+	    hal.o \
+	    hal_tx.o \
+	    hal_rx.o \
+	    wmi.o \
+	    mac.o \
+	    reg.o \
+	    htc.o \
+	    qmi.o \
+	    dp.o  \
+	    dp_tx.o \
+	    dp_rx.o \
+	    debug.o \
+	    ce.o \
+	    peer.o \
+	    dbring.o \
+	    hw.o \
+	    mhi.o \
+	    pci.o \
+	    dp_mon.o
+
+ath12k-$(CONFIG_ATH12K_TRACING) += trace.o
+
+# for tracing framework to find trace.h
+CFLAGS_trace.o := -I$(src)

drivers/net/wireless/ath/ath12k/ce.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef ATH12K_CE_H
+#define ATH12K_CE_H
+
+#define CE_COUNT_MAX 16
+
+/* Byte swap data words */
+#define CE_ATTR_BYTE_SWAP_DATA 2
+
+/* no interrupt on copy completion */
+#define CE_ATTR_DIS_INTR		8
+
+/* Host software's Copy Engine configuration. */
+#define CE_ATTR_FLAGS 0
+
+/* Threshold to poll for tx completion in case of Interrupt disabled CE's */
+#define ATH12K_CE_USAGE_THRESHOLD 32
+
+/* Directions for interconnect pipe configuration.
+ * These definitions may be used during configuration and are shared
+ * between Host and Target.
+ *
+ * Pipe Directions are relative to the Host, so PIPEDIR_IN means
+ * "coming IN over air through Target to Host" as with a WiFi Rx operation.
+ * Conversely, PIPEDIR_OUT means "going OUT from Host through Target over air"
+ * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man"
+ * Target since things that are "PIPEDIR_OUT" are coming IN to the Target
+ * over the interconnect.
+ */
+#define PIPEDIR_NONE		0
+#define PIPEDIR_IN		1 /* Target-->Host, WiFi Rx direction */
+#define PIPEDIR_OUT		2 /* Host->Target, WiFi Tx direction */
+#define PIPEDIR_INOUT		3 /* bidirectional */
+#define PIPEDIR_INOUT_H2H	4 /* bidirectional, host to host */
+
+/* CE address/mask */
+#define CE_HOST_IE_ADDRESS	0x00A1803C
+#define CE_HOST_IE_2_ADDRESS	0x00A18040
+#define CE_HOST_IE_3_ADDRESS	CE_HOST_IE_ADDRESS
+
+#define CE_HOST_IE_3_SHIFT	0xC
+
+#define CE_RING_IDX_INCR(nentries_mask, idx) (((idx) + 1) & (nentries_mask))
+
+#define ATH12K_CE_RX_POST_RETRY_JIFFIES 50
+
+struct ath12k_base;
+
+/* Establish a mapping between a service/direction and a pipe.
+ * Configuration information for a Copy Engine pipe and services.
+ * Passed from Host to Target through QMI message and must be in
+ * little endian format.
+ */
+struct service_to_pipe {
+	__le32 service_id;
+	__le32 pipedir;
+	__le32 pipenum;
+};
+
+/* Configuration information for a Copy Engine pipe.
+ * Passed from Host to Target through QMI message during startup (one per CE).
+ *
+ * NOTE: Structure is shared between Host software and Target firmware!
+ */
+struct ce_pipe_config {
+	__le32 pipenum;
+	__le32 pipedir;
+	__le32 nentries;
+	__le32 nbytes_max;
+	__le32 flags;
+	__le32 reserved;
+};
+
+struct ce_attr {
+	/* CE_ATTR_* values */
+	unsigned int flags;
+
+	/* #entries in source ring - Must be a power of 2 */
+	unsigned int src_nentries;
+
+	/* Max source send size for this CE.
+	 * This is also the minimum size of a destination buffer.
+	 */
+	unsigned int src_sz_max;
+
+	/* #entries in destination ring - Must be a power of 2 */
+	unsigned int dest_nentries;
+
+	void (*recv_cb)(struct ath12k_base *ab, struct sk_buff *skb);
+};
+
+#define CE_DESC_RING_ALIGN 8
+
+struct ath12k_ce_ring {
+	/* Number of entries in this ring; must be power of 2 */
+	unsigned int nentries;
+	unsigned int nentries_mask;
+
+	/* For dest ring, this is the next index to be processed
+	 * by software after it was/is received into.
+	 *
+	 * For src ring, this is the last descriptor that was sent
+	 * and completion processed by software.
+	 *
+	 * Regardless of src or dest ring, this is an invariant
+	 * (modulo ring size):
+	 *     write index >= read index >= sw_index
+	 */
+	unsigned int sw_index;
+	/* cached copy */
+	unsigned int write_index;
+
+	/* Start of DMA-coherent area reserved for descriptors */
+	/* Host address space */
+	void *base_addr_owner_space_unaligned;
+	/* CE address space */
+	u32 base_addr_ce_space_unaligned;
+
+	/* Actual start of descriptors.
+	 * Aligned to descriptor-size boundary.
+	 * Points into reserved DMA-coherent area, above.
+	 */
+	/* Host address space */
+	void *base_addr_owner_space;
+
+	/* CE address space */
+	u32 base_addr_ce_space;
+
+	/* HAL ring id */
+	u32 hal_ring_id;
+
+	/* keep last */
+	struct sk_buff *skb[];
+};
+
+struct ath12k_ce_pipe {
+	struct ath12k_base *ab;
+	u16 pipe_num;
+	unsigned int attr_flags;
+	unsigned int buf_sz;
+	unsigned int rx_buf_needed;
+
+	void (*send_cb)(struct ath12k_ce_pipe *pipe);
+	void (*recv_cb)(struct ath12k_base *ab, struct sk_buff *skb);
+
+	struct tasklet_struct intr_tq;
+	struct ath12k_ce_ring *src_ring;
+	struct ath12k_ce_ring *dest_ring;
+	struct ath12k_ce_ring *status_ring;
+	u64 timestamp;
+};
+
+struct ath12k_ce {
+	struct ath12k_ce_pipe ce_pipe[CE_COUNT_MAX];
+	/* Protects rings of all ce pipes */
+	spinlock_t ce_lock;
+	struct ath12k_hp_update_timer hp_timer[CE_COUNT_MAX];
+};
+
+extern const struct ce_attr ath12k_host_ce_config_qcn9274[];
+extern const struct ce_attr ath12k_host_ce_config_wcn7850[];
+
+void ath12k_ce_cleanup_pipes(struct ath12k_base *ab);
+void ath12k_ce_rx_replenish_retry(struct timer_list *t);
+void ath12k_ce_per_engine_service(struct ath12k_base *ab, u16 ce_id);
+int ath12k_ce_send(struct ath12k_base *ab, struct sk_buff *skb, u8 pipe_id,
+		   u16 transfer_id);
+void ath12k_ce_rx_post_buf(struct ath12k_base *ab);
+int ath12k_ce_init_pipes(struct ath12k_base *ab);
+int ath12k_ce_alloc_pipes(struct ath12k_base *ab);
+void ath12k_ce_free_pipes(struct ath12k_base *ab);
+int ath12k_ce_get_attr_flags(struct ath12k_base *ab, int ce_id);
+void ath12k_ce_poll_send_completed(struct ath12k_base *ab, u8 pipe_id);
+int ath12k_ce_map_service_to_pipe(struct ath12k_base *ab, u16 service_id,
+				  u8 *ul_pipe, u8 *dl_pipe);
+int ath12k_ce_attr_attach(struct ath12k_base *ab);
+void ath12k_ce_get_shadow_config(struct ath12k_base *ab,
+				 u32 **shadow_cfg, u32 *shadow_cfg_len);
+#endif

drivers/net/wireless/ath/ath12k/dbring.c

+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "core.h"
+#include "debug.h"
+
+static int ath12k_dbring_bufs_replenish(struct ath12k *ar,
+					struct ath12k_dbring *ring,
+					struct ath12k_dbring_element *buff,
+					gfp_t gfp)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct hal_srng *srng;
+	dma_addr_t paddr;
+	void *ptr_aligned, *ptr_unaligned, *desc;
+	int ret;
+	int buf_id;
+	u32 cookie;
+
+	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
+
+	lockdep_assert_held(&srng->lock);
+
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	ptr_unaligned = buff->payload;
+	ptr_aligned = PTR_ALIGN(ptr_unaligned, ring->buf_align);
+	paddr = dma_map_single(ab->dev, ptr_aligned, ring->buf_sz,
+			       DMA_FROM_DEVICE);
+
+	ret = dma_mapping_error(ab->dev, paddr);
+	if (ret)
+		goto err;
+
+	spin_lock_bh(&ring->idr_lock);
+	buf_id = idr_alloc(&ring->bufs_idr, buff, 0, ring->bufs_max, gfp);
+	spin_unlock_bh(&ring->idr_lock);
+	if (buf_id < 0) {
+		ret = -ENOBUFS;
+		goto err_dma_unmap;
+	}
+
+	desc = ath12k_hal_srng_src_get_next_entry(ab, srng);
+	if (!desc) {
+		ret = -ENOENT;
+		goto err_idr_remove;
+	}
+
+	buff->paddr = paddr;
+
+	cookie = u32_encode_bits(ar->pdev_idx, DP_RXDMA_BUF_COOKIE_PDEV_ID) |
+		 u32_encode_bits(buf_id, DP_RXDMA_BUF_COOKIE_BUF_ID);
+
+	ath12k_hal_rx_buf_addr_info_set(desc, paddr, cookie, 0);
+
+	ath12k_hal_srng_access_end(ab, srng);
+
+	return 0;
+
+err_idr_remove:
+	spin_lock_bh(&ring->idr_lock);
+	idr_remove(&ring->bufs_idr, buf_id);
+	spin_unlock_bh(&ring->idr_lock);
+err_dma_unmap:
+	dma_unmap_single(ab->dev, paddr, ring->buf_sz,
+			 DMA_FROM_DEVICE);
+err:
+	ath12k_hal_srng_access_end(ab, srng);
+	return ret;
+}
+
+static int ath12k_dbring_fill_bufs(struct ath12k *ar,
+				   struct ath12k_dbring *ring,
+				   gfp_t gfp)
+{
+	struct ath12k_dbring_element *buff;
+	struct hal_srng *srng;
+	struct ath12k_base *ab = ar->ab;
+	int num_remain, req_entries, num_free;
+	u32 align;
+	int size, ret;
+
+	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
+
+	spin_lock_bh(&srng->lock);
+
+	num_free = ath12k_hal_srng_src_num_free(ab, srng, true);
+	req_entries = min(num_free, ring->bufs_max);
+	num_remain = req_entries;
+	align = ring->buf_align;
+	size = sizeof(*buff) + ring->buf_sz + align - 1;
+
+	while (num_remain > 0) {
+		buff = kzalloc(size, gfp);
+		if (!buff)
+			break;
+
+		ret = ath12k_dbring_bufs_replenish(ar, ring, buff, gfp);
+		if (ret) {
+			ath12k_warn(ab, "failed to replenish db ring num_remain %d req_ent %d\n",
+				    num_remain, req_entries);
+			kfree(buff);
+			break;
+		}
+		num_remain--;
+	}
+
+	spin_unlock_bh(&srng->lock);
+
+	return num_remain;
+}
+
+int ath12k_dbring_wmi_cfg_setup(struct ath12k *ar,
+				struct ath12k_dbring *ring,
+				enum wmi_direct_buffer_module id)
+{
+	struct ath12k_wmi_pdev_dma_ring_cfg_arg arg = {0};
+	int ret;
+
+	if (id >= WMI_DIRECT_BUF_MAX)
+		return -EINVAL;
+
+	arg.pdev_id = DP_SW2HW_MACID(ring->pdev_id);
+	arg.module_id = id;
+	arg.base_paddr_lo = lower_32_bits(ring->refill_srng.paddr);
+	arg.base_paddr_hi = upper_32_bits(ring->refill_srng.paddr);
+	arg.head_idx_paddr_lo = lower_32_bits(ring->hp_addr);
+	arg.head_idx_paddr_hi = upper_32_bits(ring->hp_addr);
+	arg.tail_idx_paddr_lo = lower_32_bits(ring->tp_addr);
+	arg.tail_idx_paddr_hi = upper_32_bits(ring->tp_addr);
+	arg.num_elems = ring->bufs_max;
+	arg.buf_size = ring->buf_sz;
+	arg.num_resp_per_event = ring->num_resp_per_event;
+	arg.event_timeout_ms = ring->event_timeout_ms;
+
+	ret = ath12k_wmi_pdev_dma_ring_cfg(ar, &arg);
+	if (ret) {
+		ath12k_warn(ar->ab, "failed to setup db ring cfg\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath12k_dbring_set_cfg(struct ath12k *ar, struct ath12k_dbring *ring,
+			  u32 num_resp_per_event, u32 event_timeout_ms,
+			  int (*handler)(struct ath12k *,
+					 struct ath12k_dbring_data *))
+{
+	if (WARN_ON(!ring))
+		return -EINVAL;
+
+	ring->num_resp_per_event = num_resp_per_event;
+	ring->event_timeout_ms = event_timeout_ms;
+	ring->handler = handler;
+
+	return 0;
+}
+
+int ath12k_dbring_buf_setup(struct ath12k *ar,
+			    struct ath12k_dbring *ring,
+			    struct ath12k_dbring_cap *db_cap)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct hal_srng *srng;
+	int ret;
+
+	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
+	ring->bufs_max = ring->refill_srng.size /
+		ath12k_hal_srng_get_entrysize(ab, HAL_RXDMA_DIR_BUF);
+
+	ring->buf_sz = db_cap->min_buf_sz;
+	ring->buf_align = db_cap->min_buf_align;
+	ring->pdev_id = db_cap->pdev_id;
+	ring->hp_addr = ath12k_hal_srng_get_hp_addr(ab, srng);
+	ring->tp_addr = ath12k_hal_srng_get_tp_addr(ab, srng);
+
+	ret = ath12k_dbring_fill_bufs(ar, ring, GFP_KERNEL);
+
+	return ret;
+}
+
+int ath12k_dbring_srng_setup(struct ath12k *ar, struct ath12k_dbring *ring,
+			     int ring_num, int num_entries)
+{
+	int ret;
+
+	ret = ath12k_dp_srng_setup(ar->ab, &ring->refill_srng, HAL_RXDMA_DIR_BUF,
+				   ring_num, ar->pdev_idx, num_entries);
+	if (ret < 0) {
+		ath12k_warn(ar->ab, "failed to setup srng: %d ring_id %d\n",
+			    ret, ring_num);
+		goto err;
+	}
+
+	return 0;
+err:
+	ath12k_dp_srng_cleanup(ar->ab, &ring->refill_srng);
+	return ret;
+}
+
+int ath12k_dbring_get_cap(struct ath12k_base *ab,
+			  u8 pdev_idx,
+			  enum wmi_direct_buffer_module id,
+			  struct ath12k_dbring_cap *db_cap)
+{
+	int i;
+
+	if (!ab->num_db_cap || !ab->db_caps)
+		return -ENOENT;
+
+	if (id >= WMI_DIRECT_BUF_MAX)
+		return -EINVAL;
+
+	for (i = 0; i < ab->num_db_cap; i++) {
+		if (pdev_idx == ab->db_caps[i].pdev_id &&
+		    id == ab->db_caps[i].id) {
+			*db_cap = ab->db_caps[i];
+
+			return 0;
+		}
+	}
+
+	return -ENOENT;
+}
+
+int ath12k_dbring_buffer_release_event(struct ath12k_base *ab,
+				       struct ath12k_dbring_buf_release_event *ev)
+{
+	struct ath12k_dbring *ring = NULL;
+	struct hal_srng *srng;
+	struct ath12k *ar;
+	struct ath12k_dbring_element *buff;
+	struct ath12k_dbring_data handler_data;
+	struct ath12k_buffer_addr desc;
+	u8 *vaddr_unalign;
+	u32 num_entry, num_buff_reaped;
+	u8 pdev_idx, rbm;
+	u32 cookie;
+	int buf_id;
+	int size;
+	dma_addr_t paddr;
+	int ret = 0;
+
+	pdev_idx = le32_to_cpu(ev->fixed.pdev_id);
+
+	if (pdev_idx >= ab->num_radios) {
+		ath12k_warn(ab, "Invalid pdev id %d\n", pdev_idx);
+		return -EINVAL;
+	}
+
+	if (ev->fixed.num_buf_release_entry !=
+	    ev->fixed.num_meta_data_entry) {
+		ath12k_warn(ab, "Buffer entry %d mismatch meta entry %d\n",
+			    ev->fixed.num_buf_release_entry,
+			    ev->fixed.num_meta_data_entry);
+		return -EINVAL;
+	}
+
+	ar = ab->pdevs[pdev_idx].ar;
+
+	rcu_read_lock();
+	if (!rcu_dereference(ab->pdevs_active[pdev_idx])) {
+		ret = -EINVAL;
+		goto rcu_unlock;
+	}
+
+	switch (ev->fixed.module_id) {
+	case WMI_DIRECT_BUF_SPECTRAL:
+		break;
+	default:
+		ring = NULL;
+		ath12k_warn(ab, "Recv dma buffer release ev on unsupp module %d\n",
+			    ev->fixed.module_id);
+		break;
+	}
+
+	if (!ring) {
+		ret = -EINVAL;
+		goto rcu_unlock;
+	}
+
+	srng = &ab->hal.srng_list[ring->refill_srng.ring_id];
+	num_entry = le32_to_cpu(ev->fixed.num_buf_release_entry);
+	size = sizeof(*buff) + ring->buf_sz + ring->buf_align - 1;
+	num_buff_reaped = 0;
+
+	spin_lock_bh(&srng->lock);
+
+	while (num_buff_reaped < num_entry) {
+		desc.info0 = ev->buf_entry[num_buff_reaped].paddr_lo;
+		desc.info1 = ev->buf_entry[num_buff_reaped].paddr_hi;
+		handler_data.meta = ev->meta_data[num_buff_reaped];
+
+		num_buff_reaped++;
+
+		ath12k_hal_rx_buf_addr_info_get(&desc, &paddr, &cookie, &rbm);
+
+		buf_id = u32_get_bits(cookie, DP_RXDMA_BUF_COOKIE_BUF_ID);
+
+		spin_lock_bh(&ring->idr_lock);
+		buff = idr_find(&ring->bufs_idr, buf_id);
+		if (!buff) {
+			spin_unlock_bh(&ring->idr_lock);
+			continue;
+		}
+		idr_remove(&ring->bufs_idr, buf_id);
+		spin_unlock_bh(&ring->idr_lock);
+
+		dma_unmap_single(ab->dev, buff->paddr, ring->buf_sz,
+				 DMA_FROM_DEVICE);
+
+		if (ring->handler) {
+			vaddr_unalign = buff->payload;
+			handler_data.data = PTR_ALIGN(vaddr_unalign,
+						      ring->buf_align);
+			handler_data.data_sz = ring->buf_sz;
+
+			ring->handler(ar, &handler_data);
+		}
+
+		memset(buff, 0, size);
+		ath12k_dbring_bufs_replenish(ar, ring, buff, GFP_ATOMIC);
+	}
+
+	spin_unlock_bh(&srng->lock);
+
+rcu_unlock:
+	rcu_read_unlock();
+
+	return ret;
+}
+
+void ath12k_dbring_srng_cleanup(struct ath12k *ar, struct ath12k_dbring *ring)
+{
+	ath12k_dp_srng_cleanup(ar->ab, &ring->refill_srng);
+}
+
+void ath12k_dbring_buf_cleanup(struct ath12k *ar, struct ath12k_dbring *ring)
+{
+	struct ath12k_dbring_element *buff;
+	int buf_id;
+
+	spin_lock_bh(&ring->idr_lock);
+	idr_for_each_entry(&ring->bufs_idr, buff, buf_id) {
+		idr_remove(&ring->bufs_idr, buf_id);
+		dma_unmap_single(ar->ab->dev, buff->paddr,
+				 ring->buf_sz, DMA_FROM_DEVICE);
+		kfree(buff);
+	}
+
+	idr_destroy(&ring->bufs_idr);
+	spin_unlock_bh(&ring->idr_lock);
+}

drivers/net/wireless/ath/ath12k/dbring.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef ATH12K_DBRING_H
+#define ATH12K_DBRING_H
+
+#include <linux/types.h>
+#include <linux/idr.h>
+#include <linux/spinlock.h>
+#include "dp.h"
+
+struct ath12k_dbring_element {
+	dma_addr_t paddr;
+	u8 payload[];
+};
+
+struct ath12k_dbring_data {
+	void *data;
+	u32 data_sz;
+	struct ath12k_wmi_dma_buf_release_meta_data_params meta;
+};
+
+struct ath12k_dbring_buf_release_event {
+	struct ath12k_wmi_dma_buf_release_fixed_params fixed;
+	const struct ath12k_wmi_dma_buf_release_entry_params *buf_entry;
+	const struct ath12k_wmi_dma_buf_release_meta_data_params *meta_data;
+	u32 num_buf_entry;
+	u32 num_meta;
+};
+
+struct ath12k_dbring_cap {
+	u32 pdev_id;
+	enum wmi_direct_buffer_module id;
+	u32 min_elem;
+	u32 min_buf_sz;
+	u32 min_buf_align;
+};
+
+struct ath12k_dbring {
+	struct dp_srng refill_srng;
+	struct idr bufs_idr;
+	/* Protects bufs_idr */
+	spinlock_t idr_lock;
+	dma_addr_t tp_addr;
+	dma_addr_t hp_addr;
+	int bufs_max;
+	u32 pdev_id;
+	u32 buf_sz;
+	u32 buf_align;
+	u32 num_resp_per_event;
+	u32 event_timeout_ms;
+	int (*handler)(struct ath12k *ar, struct ath12k_dbring_data *data);
+};
+
+int ath12k_dbring_set_cfg(struct ath12k *ar,
+			  struct ath12k_dbring *ring,
+			  u32 num_resp_per_event,
+			  u32 event_timeout_ms,
+			  int (*handler)(struct ath12k *,
+					 struct ath12k_dbring_data *));
+int ath12k_dbring_wmi_cfg_setup(struct ath12k *ar,
+				struct ath12k_dbring *ring,
+				enum wmi_direct_buffer_module id);
+int ath12k_dbring_buf_setup(struct ath12k *ar,
+			    struct ath12k_dbring *ring,
+			    struct ath12k_dbring_cap *db_cap);
+int ath12k_dbring_srng_setup(struct ath12k *ar, struct ath12k_dbring *ring,
+			     int ring_num, int num_entries);
+int ath12k_dbring_buffer_release_event(struct ath12k_base *ab,
+				       struct ath12k_dbring_buf_release_event *ev);
+int ath12k_dbring_get_cap(struct ath12k_base *ab,
+			  u8 pdev_idx,
+			  enum wmi_direct_buffer_module id,
+			  struct ath12k_dbring_cap *db_cap);
+void ath12k_dbring_srng_cleanup(struct ath12k *ar, struct ath12k_dbring *ring);
+void ath12k_dbring_buf_cleanup(struct ath12k *ar, struct ath12k_dbring *ring);
+#endif /* ATH12K_DBRING_H */

drivers/net/wireless/ath/ath12k/debug.c

+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/vmalloc.h>
+#include "core.h"
+#include "debug.h"
+
+void ath12k_info(struct ath12k_base *ab, const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	dev_info(ab->dev, "%pV", &vaf);
+	/* TODO: Trace the log */
+	va_end(args);
+}
+
+void ath12k_err(struct ath12k_base *ab, const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	dev_err(ab->dev, "%pV", &vaf);
+	/* TODO: Trace the log */
+	va_end(args);
+}
+
+void ath12k_warn(struct ath12k_base *ab, const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	dev_warn_ratelimited(ab->dev, "%pV", &vaf);
+	/* TODO: Trace the log */
+	va_end(args);
+}
+
+#ifdef CONFIG_ATH12K_DEBUG
+
+void __ath12k_dbg(struct ath12k_base *ab, enum ath12k_debug_mask mask,
+		  const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	if (ath12k_debug_mask & mask)
+		dev_dbg(ab->dev, "%pV", &vaf);
+
+	/* TODO: trace log */
+
+	va_end(args);
+}
+
+void ath12k_dbg_dump(struct ath12k_base *ab,
+		     enum ath12k_debug_mask mask,
+		     const char *msg, const char *prefix,
+		     const void *buf, size_t len)
+{
+	char linebuf[256];
+	size_t linebuflen;
+	const void *ptr;
+
+	if (ath12k_debug_mask & mask) {
+		if (msg)
+			__ath12k_dbg(ab, mask, "%s\n", msg);
+
+		for (ptr = buf; (ptr - buf) < len; ptr += 16) {
+			linebuflen = 0;
+			linebuflen += scnprintf(linebuf + linebuflen,
+						sizeof(linebuf) - linebuflen,
+						"%s%08x: ",
+						(prefix ? prefix : ""),
+						(unsigned int)(ptr - buf));
+			hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1,
+					   linebuf + linebuflen,
+					   sizeof(linebuf) - linebuflen, true);
+			dev_dbg(ab->dev, "%s\n", linebuf);
+		}
+	}
+}
+
+#endif /* CONFIG_ATH12K_DEBUG */

drivers/net/wireless/ath/ath12k/debug.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _ATH12K_DEBUG_H_
+#define _ATH12K_DEBUG_H_
+
+#include "trace.h"
+
+enum ath12k_debug_mask {
+	ATH12K_DBG_AHB		= 0x00000001,
+	ATH12K_DBG_WMI		= 0x00000002,
+	ATH12K_DBG_HTC		= 0x00000004,
+	ATH12K_DBG_DP_HTT	= 0x00000008,
+	ATH12K_DBG_MAC		= 0x00000010,
+	ATH12K_DBG_BOOT		= 0x00000020,
+	ATH12K_DBG_QMI		= 0x00000040,
+	ATH12K_DBG_DATA		= 0x00000080,
+	ATH12K_DBG_MGMT		= 0x00000100,
+	ATH12K_DBG_REG		= 0x00000200,
+	ATH12K_DBG_TESTMODE	= 0x00000400,
+	ATH12K_DBG_HAL		= 0x00000800,
+	ATH12K_DBG_PCI		= 0x00001000,
+	ATH12K_DBG_DP_TX	= 0x00002000,
+	ATH12K_DBG_DP_RX	= 0x00004000,
+	ATH12K_DBG_ANY		= 0xffffffff,
+};
+
+__printf(2, 3) void ath12k_info(struct ath12k_base *ab, const char *fmt, ...);
+__printf(2, 3) void ath12k_err(struct ath12k_base *ab, const char *fmt, ...);
+__printf(2, 3) void ath12k_warn(struct ath12k_base *ab, const char *fmt, ...);
+
+extern unsigned int ath12k_debug_mask;
+
+#ifdef CONFIG_ATH12K_DEBUG
+__printf(3, 4) void __ath12k_dbg(struct ath12k_base *ab,
+				 enum ath12k_debug_mask mask,
+				 const char *fmt, ...);
+void ath12k_dbg_dump(struct ath12k_base *ab,
+		     enum ath12k_debug_mask mask,
+		     const char *msg, const char *prefix,
+		     const void *buf, size_t len);
+#else /* CONFIG_ATH12K_DEBUG */
+static inline void __ath12k_dbg(struct ath12k_base *ab,
+				enum ath12k_debug_mask dbg_mask,
+				const char *fmt, ...)
+{
+}
+
+static inline void ath12k_dbg_dump(struct ath12k_base *ab,
+				   enum ath12k_debug_mask mask,
+				   const char *msg, const char *prefix,
+				   const void *buf, size_t len)
+{
+}
+#endif /* CONFIG_ATH12K_DEBUG */
+
+#define ath12k_dbg(ar, dbg_mask, fmt, ...)			\
+do {								\
+	typeof(dbg_mask) mask = (dbg_mask);			\
+	if (ath12k_debug_mask & mask)				\
+		__ath12k_dbg(ar, mask, fmt, ##__VA_ARGS__);	\
+} while (0)
+
+#endif /* _ATH12K_DEBUG_H_ */

drivers/net/wireless/ath/ath12k/dp_mon.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef ATH12K_DP_MON_H
+#define ATH12K_DP_MON_H
+
+#include "core.h"
+
+enum dp_monitor_mode {
+	ATH12K_DP_TX_MONITOR_MODE,
+	ATH12K_DP_RX_MONITOR_MODE
+};
+
+enum dp_mon_tx_ppdu_info_type {
+	DP_MON_TX_PROT_PPDU_INFO,
+	DP_MON_TX_DATA_PPDU_INFO
+};
+
+enum dp_mon_tx_tlv_status {
+	DP_MON_TX_FES_SETUP,
+	DP_MON_TX_FES_STATUS_END,
+	DP_MON_RX_RESPONSE_REQUIRED_INFO,
+	DP_MON_RESPONSE_END_STATUS_INFO,
+	DP_MON_TX_MPDU_START,
+	DP_MON_TX_MSDU_START,
+	DP_MON_TX_BUFFER_ADDR,
+	DP_MON_TX_DATA,
+	DP_MON_TX_STATUS_PPDU_NOT_DONE,
+};
+
+enum dp_mon_tx_medium_protection_type {
+	DP_MON_TX_MEDIUM_NO_PROTECTION,
+	DP_MON_TX_MEDIUM_RTS_LEGACY,
+	DP_MON_TX_MEDIUM_RTS_11AC_STATIC_BW,
+	DP_MON_TX_MEDIUM_RTS_11AC_DYNAMIC_BW,
+	DP_MON_TX_MEDIUM_CTS2SELF,
+	DP_MON_TX_MEDIUM_QOS_NULL_NO_ACK_3ADDR,
+	DP_MON_TX_MEDIUM_QOS_NULL_NO_ACK_4ADDR
+};
+
+struct dp_mon_qosframe_addr4 {
+	__le16 frame_control;
+	__le16 duration;
+	u8 addr1[ETH_ALEN];
+	u8 addr2[ETH_ALEN];
+	u8 addr3[ETH_ALEN];
+	__le16 seq_ctrl;
+	u8 addr4[ETH_ALEN];
+	__le16 qos_ctrl;
+} __packed;
+
+struct dp_mon_frame_min_one {
+	__le16 frame_control;
+	__le16 duration;
+	u8 addr1[ETH_ALEN];
+} __packed;
+
+struct dp_mon_packet_info {
+	u64 cookie;
+	u16 dma_length;
+	bool msdu_continuation;
+	bool truncated;
+};
+
+struct dp_mon_tx_ppdu_info {
+	u32 ppdu_id;
+	u8  num_users;
+	bool is_used;
+	struct hal_rx_mon_ppdu_info rx_status;
+	struct list_head dp_tx_mon_mpdu_list;
+	struct dp_mon_mpdu *tx_mon_mpdu;
+};
+
+enum hal_rx_mon_status
+ath12k_dp_mon_rx_parse_mon_status(struct ath12k *ar,
+				  struct ath12k_mon_data *pmon,
+				  int mac_id, struct sk_buff *skb,
+				  struct napi_struct *napi);
+int ath12k_dp_mon_buf_replenish(struct ath12k_base *ab,
+				struct dp_rxdma_ring *buf_ring,
+				int req_entries);
+int ath12k_dp_mon_srng_process(struct ath12k *ar, int mac_id,
+			       int *budget, enum dp_monitor_mode monitor_mode,
+			       struct napi_struct *napi);
+int ath12k_dp_mon_process_ring(struct ath12k_base *ab, int mac_id,
+			       struct napi_struct *napi, int budget,
+			       enum dp_monitor_mode monitor_mode);
+struct sk_buff *ath12k_dp_mon_tx_alloc_skb(void);
+enum dp_mon_tx_tlv_status
+ath12k_dp_mon_tx_status_get_num_user(u16 tlv_tag,
+				     struct hal_tlv_hdr *tx_tlv,
+				     u8 *num_users);
+enum hal_rx_mon_status
+ath12k_dp_mon_tx_parse_mon_status(struct ath12k *ar,
+				  struct ath12k_mon_data *pmon,
+				  int mac_id,
+				  struct sk_buff *skb,
+				  struct napi_struct *napi,
+				  u32 ppdu_id);
+void ath12k_dp_mon_rx_process_ulofdma(struct hal_rx_mon_ppdu_info *ppdu_info);
+int ath12k_dp_mon_rx_process_stats(struct ath12k *ar, int mac_id,
+				   struct napi_struct *napi, int *budget);
+#endif

drivers/net/wireless/ath/ath12k/dp_tx.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef ATH12K_DP_TX_H
+#define ATH12K_DP_TX_H
+
+#include "core.h"
+#include "hal_tx.h"
+
+struct ath12k_dp_htt_wbm_tx_status {
+	bool acked;
+	int ack_rssi;
+};
+
+int ath12k_dp_tx_htt_h2t_ver_req_msg(struct ath12k_base *ab);
+int ath12k_dp_tx(struct ath12k *ar, struct ath12k_vif *arvif,
+		 struct sk_buff *skb);
+void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id);
+
+int ath12k_dp_tx_htt_h2t_ppdu_stats_req(struct ath12k *ar, u32 mask);
+int
+ath12k_dp_tx_htt_h2t_ext_stats_req(struct ath12k *ar, u8 type,
+				   struct htt_ext_stats_cfg_params *cfg_params,
+				   u64 cookie);
+int ath12k_dp_tx_htt_rx_monitor_mode_ring_config(struct ath12k *ar, bool reset);
+
+int ath12k_dp_tx_htt_rx_filter_setup(struct ath12k_base *ab, u32 ring_id,
+				     int mac_id, enum hal_ring_type ring_type,
+				     int rx_buf_size,
+				     struct htt_rx_ring_tlv_filter *tlv_filter);
+void ath12k_dp_tx_put_bank_profile(struct ath12k_dp *dp, u8 bank_id);
+int ath12k_dp_tx_htt_tx_filter_setup(struct ath12k_base *ab, u32 ring_id,
+				     int mac_id, enum hal_ring_type ring_type,
+				     int tx_buf_size,
+				     struct htt_tx_ring_tlv_filter *htt_tlv_filter);
+int ath12k_dp_tx_htt_tx_monitor_mode_ring_config(struct ath12k *ar, bool reset);
+int ath12k_dp_tx_htt_monitor_mode_ring_config(struct ath12k *ar, bool reset);
+#endif

drivers/net/wireless/ath/ath12k/mhi.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+#ifndef _ATH12K_MHI_H
+#define _ATH12K_MHI_H
+
+#include "pci.h"
+
+#define PCIE_TXVECDB				0x360
+#define PCIE_TXVECSTATUS			0x368
+#define PCIE_RXVECDB				0x394
+#define PCIE_RXVECSTATUS			0x39C
+
+#define MHISTATUS				0x48
+#define MHICTRL					0x38
+#define MHICTRL_RESET_MASK			0x2
+
+enum ath12k_mhi_state {
+	ATH12K_MHI_INIT,
+	ATH12K_MHI_DEINIT,
+	ATH12K_MHI_POWER_ON,
+	ATH12K_MHI_POWER_OFF,
+	ATH12K_MHI_FORCE_POWER_OFF,
+	ATH12K_MHI_SUSPEND,
+	ATH12K_MHI_RESUME,
+	ATH12K_MHI_TRIGGER_RDDM,
+	ATH12K_MHI_RDDM,
+	ATH12K_MHI_RDDM_DONE,
+};
+
+extern const struct mhi_controller_config ath12k_mhi_config_qcn9274;
+extern const struct mhi_controller_config ath12k_mhi_config_wcn7850;
+
+int ath12k_mhi_start(struct ath12k_pci *ar_pci);
+void ath12k_mhi_stop(struct ath12k_pci *ar_pci);
+int ath12k_mhi_register(struct ath12k_pci *ar_pci);
+void ath12k_mhi_unregister(struct ath12k_pci *ar_pci);
+void ath12k_mhi_set_mhictrl_reset(struct ath12k_base *ab);
+void ath12k_mhi_clear_vector(struct ath12k_base *ab);
+
+void ath12k_mhi_suspend(struct ath12k_pci *ar_pci);
+void ath12k_mhi_resume(struct ath12k_pci *ar_pci);
+
+#endif