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

ath.git patches for v5.9. Major changes:

ath11k

* add 6G band support

* add spectral scan support

drivers/net/wireless/ath/Kconfig

@@ -15,11 +15,11 @@ config WLAN_VENDOR_ATH
 
 	  For more information and documentation on this module you can visit:
 
-	  http://wireless.kernel.org/en/users/Drivers/ath
+	  https://wireless.wiki.kernel.org/en/users/Drivers/ath
 
 	  For information on all Atheros wireless drivers visit:
 
-	  http://wireless.kernel.org/en/users/Drivers/Atheros
+	  https://wireless.wiki.kernel.org/en/users/Drivers/Atheros
 
 if WLAN_VENDOR_ATH
 

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

@@ -1591,7 +1591,9 @@ static int ath10k_htt_tx_32(struct ath10k_htt *htt,
 err_unmap_msdu:
 	dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 err_free_msdu_id:
+	spin_lock_bh(&htt->tx_lock);
 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);
+	spin_unlock_bh(&htt->tx_lock);
 err:
 	return res;
 }
@@ -1798,7 +1800,9 @@ static int ath10k_htt_tx_64(struct ath10k_htt *htt,
 err_unmap_msdu:
 	dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 err_free_msdu_id:
+	spin_lock_bh(&htt->tx_lock);
 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);
+	spin_unlock_bh(&htt->tx_lock);
 err:
 	return res;
 }

drivers/net/wireless/ath/ath11k/Kconfig

@@ -34,3 +34,12 @@ config ATH11K_TRACING
 	depends on ATH11K && EVENT_TRACING
 	help
 	  Select this to use ath11k tracing infrastructure.
+
+config ATH11K_SPECTRAL
+	bool "QCA ath11k spectral scan support"
+	depends on ATH11K_DEBUGFS
+	depends on RELAY
+	help
+	  Enable ath11k spectral scan support
+
+	  Say Y to enable access to the FFT/spectral data via debugfs.

drivers/net/wireless/ath/ath11k/Makefile

@@ -15,12 +15,14 @@ ath11k-y += core.o \
 	    dp_rx.o \
 	    debug.o \
 	    ce.o \
-	    peer.o
+	    peer.o \
+	    dbring.o
 
 ath11k-$(CONFIG_ATH11K_DEBUGFS) += debug_htt_stats.o debugfs_sta.o
 ath11k-$(CONFIG_NL80211_TESTMODE) += testmode.o
 ath11k-$(CONFIG_ATH11K_TRACING) += trace.o
 ath11k-$(CONFIG_THERMAL) += thermal.o
+ath11k-$(CONFIG_ATH11K_SPECTRAL) += spectral.o
 
 # for tracing framework to find trace.h
 CFLAGS_trace.o := -I$(src)

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

@@ -400,8 +400,16 @@ static int ath11k_core_pdev_create(struct ath11k_base *ab)
 		goto err_dp_pdev_free;
 	}
 
+	ret = ath11k_spectral_init(ab);
+	if (ret) {
+		ath11k_err(ab, "failed to init spectral %d\n", ret);
+		goto err_thermal_unregister;
+	}
+
 	return 0;
 
+err_thermal_unregister:
+	ath11k_thermal_unregister(ab);
 err_dp_pdev_free:
 	ath11k_dp_pdev_free(ab);
 err_mac_unregister:
@@ -414,6 +422,7 @@ static int ath11k_core_pdev_create(struct ath11k_base *ab)
 
 static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
 {
+	ath11k_spectral_deinit(ab);
 	ath11k_thermal_unregister(ab);
 	ath11k_mac_unregister(ab);
 	ath11k_hif_irq_disable(ab);
@@ -582,6 +591,7 @@ static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
 	ath11k_thermal_unregister(ab);
 	ath11k_hif_irq_disable(ab);
 	ath11k_dp_pdev_free(ab);
+	ath11k_spectral_deinit(ab);
 	ath11k_hif_stop(ab);
 	ath11k_wmi_detach(ab);
 	ath11k_dp_pdev_reo_cleanup(ab);

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

@@ -21,6 +21,8 @@
 #include "hal_rx.h"
 #include "reg.h"
 #include "thermal.h"
+#include "dbring.h"
+#include "spectral.h"
 
 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
 
@@ -215,12 +217,15 @@ struct ath11k_vif {
 
 	bool is_started;
 	bool is_up;
+	bool spectral_enabled;
 	u32 aid;
 	u8 bssid[ETH_ALEN];
 	struct cfg80211_bitrate_mask bitrate_mask;
 	int num_legacy_stations;
 	int rtscts_prot_mode;
 	int txpower;
+	bool rsnie_present;
+	bool wpaie_present;
 };
 
 struct ath11k_vif_iter {
@@ -353,7 +358,10 @@ struct ath11k_sta {
 #endif
 };
 
-#define ATH11K_NUM_CHANS 41
+#define ATH11K_MIN_5G_FREQ 4150
+#define ATH11K_MIN_6G_FREQ 5945
+#define ATH11K_MAX_6G_FREQ 7115
+#define ATH11K_NUM_CHANS 100
 #define ATH11K_MAX_5G_CHAN 173
 
 enum ath11k_state {
@@ -431,6 +439,7 @@ struct ath11k {
 	u32 vht_cap_info;
 	struct ath11k_he ar_he;
 	enum ath11k_state state;
+	bool supports_6ghz;
 	struct {
 		struct completion started;
 		struct completion completed;
@@ -536,6 +545,9 @@ struct ath11k {
 	u32 cached_ppdu_id;
 #ifdef CONFIG_ATH11K_DEBUGFS
 	struct ath11k_debug debug;
+#endif
+#ifdef CONFIG_ATH11K_SPECTRAL
+	struct ath11k_spectral spectral;
 #endif
 	bool dfs_block_radar_events;
 	struct ath11k_thermal thermal;
@@ -548,6 +560,7 @@ struct ath11k_band_cap {
 	u32 he_mcs;
 	u32 he_cap_phy_info[PSOC_HOST_MAX_PHY_SIZE];
 	struct ath11k_ppe_threshold he_ppet;
+	u16 he_6ghz_capa;
 };
 
 struct ath11k_pdev_cap {
@@ -579,12 +592,42 @@ struct ath11k_board_data {
 /* IPQ8074 HW channel counters frequency value in hertz */
 #define IPQ8074_CC_FREQ_HERTZ 320000
 
-struct ath11k_soc_dp_rx_stats {
+struct ath11k_bp_stats {
+	/* Head Pointer reported by the last HTT Backpressure event for the ring */
+	u16 hp;
+
+	/* Tail Pointer reported by the last HTT Backpressure event for the ring */
+	u16 tp;
+
+	/* Number of Backpressure events received for the ring */
+	u32 count;
+
+	/* Last recorded event timestamp */
+	unsigned long jiffies;
+};
+
+struct ath11k_dp_ring_bp_stats {
+	struct ath11k_bp_stats umac_ring_bp_stats[HTT_SW_UMAC_RING_IDX_MAX];
+	struct ath11k_bp_stats lmac_ring_bp_stats[HTT_SW_LMAC_RING_IDX_MAX][MAX_RADIOS];
+};
+
+struct ath11k_soc_dp_tx_err_stats {
+	/* TCL Ring Descriptor unavailable */
+	u32 desc_na[DP_TCL_NUM_RING_MAX];
+	/* Other failures during dp_tx due to mem allocation failure
+	 * idr unavailable etc.
+	 */
+	atomic_t misc_fail;
+};
+
+struct ath11k_soc_dp_stats {
 	u32 err_ring_pkts;
 	u32 invalid_rbm;
 	u32 rxdma_error[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX];
 	u32 reo_error[HAL_REO_DEST_RING_ERROR_CODE_MAX];
 	u32 hal_reo_error[DP_REO_DST_RING_MAX];
+	struct ath11k_soc_dp_tx_err_stats tx_err;
+	struct ath11k_dp_ring_bp_stats bp_stats;
 };
 
 /* Master structure to hold the hw data which may be used in core module */
@@ -653,7 +696,7 @@ struct ath11k_base {
 	struct dentry *debugfs_soc;
 	struct dentry *debugfs_ath11k;
 #endif
-	struct ath11k_soc_dp_rx_stats soc_stats;
+	struct ath11k_soc_dp_stats soc_stats;
 
 	unsigned long dev_flags;
 	struct completion driver_recovery;
@@ -668,6 +711,9 @@ struct ath11k_base {
 	/* Round robbin based TCL ring selector */
 	atomic_t tcl_ring_selector;
 
+	struct ath11k_dbring_cap *db_caps;
+	u32 num_db_cap;
+
 	/* must be last */
 	u8 drv_priv[0] __aligned(sizeof(void *));
 };

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

+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ */
+
+#include "core.h"
+#include "debug.h"
+
+static int ath11k_dbring_bufs_replenish(struct ath11k *ar,
+					struct ath11k_dbring *ring,
+					struct ath11k_dbring_element *buff,
+					gfp_t gfp)
+{
+	struct ath11k_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);
+
+	ath11k_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 = ath11k_hal_srng_src_get_next_entry(ab, srng);
+	if (!desc) {
+		ret = -ENOENT;
+		goto err_idr_remove;
+	}
+
+	buff->paddr = paddr;
+
+	cookie = FIELD_PREP(DP_RXDMA_BUF_COOKIE_PDEV_ID, ar->pdev_idx) |
+		 FIELD_PREP(DP_RXDMA_BUF_COOKIE_BUF_ID, buf_id);
+
+	ath11k_hal_rx_buf_addr_info_set(desc, paddr, cookie, 0);
+
+	ath11k_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:
+	ath11k_hal_srng_access_end(ab, srng);
+	return ret;
+}
+
+static int ath11k_dbring_fill_bufs(struct ath11k *ar,
+				   struct ath11k_dbring *ring,
+				   gfp_t gfp)
+{
+	struct ath11k_dbring_element *buff;
+	struct hal_srng *srng;
+	int num_remain, req_entries, num_free;
+	u32 align;
+	int size, ret;
+
+	srng = &ar->ab->hal.srng_list[ring->refill_srng.ring_id];
+
+	spin_lock_bh(&srng->lock);
+
+	num_free = ath11k_hal_srng_src_num_free(ar->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 = ath11k_dbring_bufs_replenish(ar, ring, buff, gfp);
+		if (ret) {
+			ath11k_warn(ar->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 ath11k_dbring_wmi_cfg_setup(struct ath11k *ar,
+				struct ath11k_dbring *ring,
+				enum wmi_direct_buffer_module id)
+{
+	struct ath11k_wmi_pdev_dma_ring_cfg_req_cmd param = {0};
+	int ret;
+
+	if (id >= WMI_DIRECT_BUF_MAX)
+		return -EINVAL;
+
+	param.pdev_id		= DP_SW2HW_MACID(ring->pdev_id);
+	param.module_id		= id;
+	param.base_paddr_lo	= lower_32_bits(ring->refill_srng.paddr);
+	param.base_paddr_hi	= upper_32_bits(ring->refill_srng.paddr);
+	param.head_idx_paddr_lo	= lower_32_bits(ring->hp_addr);
+	param.head_idx_paddr_hi = upper_32_bits(ring->hp_addr);
+	param.tail_idx_paddr_lo = lower_32_bits(ring->tp_addr);
+	param.tail_idx_paddr_hi = upper_32_bits(ring->tp_addr);
+	param.num_elems		= ring->bufs_max;
+	param.buf_size		= ring->buf_sz;
+	param.num_resp_per_event = ring->num_resp_per_event;
+	param.event_timeout_ms	= ring->event_timeout_ms;
+
+	ret = ath11k_wmi_pdev_dma_ring_cfg(ar, &param);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to setup db ring cfg\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath11k_dbring_set_cfg(struct ath11k *ar, struct ath11k_dbring *ring,
+			  u32 num_resp_per_event, u32 event_timeout_ms,
+			  int (*handler)(struct ath11k *,
+					 struct ath11k_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 ath11k_dbring_buf_setup(struct ath11k *ar,
+			    struct ath11k_dbring *ring,
+			    struct ath11k_dbring_cap *db_cap)
+{
+	struct ath11k_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 /
+			 ath11k_hal_srng_get_entrysize(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 = ath11k_hal_srng_get_hp_addr(ar->ab, srng);
+	ring->tp_addr = ath11k_hal_srng_get_tp_addr(ar->ab, srng);
+
+	ret = ath11k_dbring_fill_bufs(ar, ring, GFP_KERNEL);
+
+	return ret;
+}
+
+int ath11k_dbring_srng_setup(struct ath11k *ar, struct ath11k_dbring *ring,
+			     int ring_num, int num_entries)
+{
+	int ret;
+
+	ret = ath11k_dp_srng_setup(ar->ab, &ring->refill_srng, HAL_RXDMA_DIR_BUF,
+				   ring_num, ar->pdev_idx, num_entries);
+	if (ret < 0) {
+		ath11k_warn(ar->ab, "failed to setup srng: %d ring_id %d\n",
+			    ret, ring_num);
+		goto err;
+	}
+
+	return 0;
+err:
+	ath11k_dp_srng_cleanup(ar->ab, &ring->refill_srng);
+	return ret;
+}
+
+int ath11k_dbring_get_cap(struct ath11k_base *ab,
+			  u8 pdev_idx,
+			  enum wmi_direct_buffer_module id,
+			  struct ath11k_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 ath11k_dbring_buffer_release_event(struct ath11k_base *ab,
+				       struct ath11k_dbring_buf_release_event *ev)
+{
+	struct ath11k_dbring *ring;
+	struct hal_srng *srng;
+	struct ath11k *ar;
+	struct ath11k_dbring_element *buff;
+	struct ath11k_dbring_data handler_data;
+	struct ath11k_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 = ev->fixed.pdev_id;
+
+	if (pdev_idx >= ab->num_radios) {
+		ath11k_warn(ab, "Invalid pdev id %d\n", pdev_idx);
+		return -EINVAL;
+	}
+
+	if (ev->fixed.num_buf_release_entry !=
+	    ev->fixed.num_meta_data_entry) {
+		ath11k_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:
+		ring = ath11k_spectral_get_dbring(ar);
+		break;
+	default:
+		ring = NULL;
+		ath11k_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 = 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++;
+
+		ath11k_hal_rx_buf_addr_info_get(&desc, &paddr, &cookie, &rbm);
+
+		buf_id = FIELD_GET(DP_RXDMA_BUF_COOKIE_BUF_ID, cookie);
+
+		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);
+		ath11k_dbring_bufs_replenish(ar, ring, buff, GFP_ATOMIC);
+	}
+
+	spin_unlock_bh(&srng->lock);
+
+rcu_unlock:
+	rcu_read_unlock();
+
+	return ret;
+}
+
+void ath11k_dbring_srng_cleanup(struct ath11k *ar, struct ath11k_dbring *ring)
+{
+	ath11k_dp_srng_cleanup(ar->ab, &ring->refill_srng);
+}
+
+void ath11k_dbring_buf_cleanup(struct ath11k *ar, struct ath11k_dbring *ring)
+{
+	struct ath11k_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/ath11k/dbring.h

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef ATH11K_DBRING_H
+#define ATH11K_DBRING_H
+
+#include <linux/types.h>
+#include <linux/idr.h>
+#include <linux/spinlock.h>
+#include "dp.h"
+
+struct ath11k_dbring_element {
+	dma_addr_t paddr;
+	u8 payload[0];
+};
+
+struct ath11k_dbring_data {
+	void *data;
+	u32 data_sz;
+	struct wmi_dma_buf_release_meta_data meta;
+};
+
+struct ath11k_dbring_buf_release_event {
+	struct ath11k_wmi_dma_buf_release_fixed_param fixed;
+	struct wmi_dma_buf_release_entry *buf_entry;
+	struct wmi_dma_buf_release_meta_data *meta_data;
+	u32 num_buf_entry;
+	u32 num_meta;
+};
+
+struct ath11k_dbring_cap {
+	u32 pdev_id;
+	enum wmi_direct_buffer_module id;
+	u32 min_elem;
+	u32 min_buf_sz;
+	u32 min_buf_align;
+};
+
+struct ath11k_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 ath11k *, struct ath11k_dbring_data *);
+};
+
+int ath11k_dbring_set_cfg(struct ath11k *ar,
+			  struct ath11k_dbring *ring,
+			  u32 num_resp_per_event,
+			  u32 event_timeout_ms,
+			  int (*handler)(struct ath11k *,
+					 struct ath11k_dbring_data *));
+int ath11k_dbring_wmi_cfg_setup(struct ath11k *ar,
+				struct ath11k_dbring *ring,
+				enum wmi_direct_buffer_module id);
+int ath11k_dbring_buf_setup(struct ath11k *ar,
+			    struct ath11k_dbring *ring,
+			    struct ath11k_dbring_cap *db_cap);
+int ath11k_dbring_srng_setup(struct ath11k *ar, struct ath11k_dbring *ring,
+			     int ring_num, int num_entries);
+int ath11k_dbring_buffer_release_event(struct ath11k_base *ab,
+				       struct ath11k_dbring_buf_release_event *ev);
+int ath11k_dbring_get_cap(struct ath11k_base *ab,
+			  u8 pdev_idx,
+			  enum wmi_direct_buffer_module id,
+			  struct ath11k_dbring_cap *db_cap);
+void ath11k_dbring_srng_cleanup(struct ath11k *ar, struct ath11k_dbring *ring);
+void ath11k_dbring_buf_cleanup(struct ath11k *ar, struct ath11k_dbring *ring);
+#endif /* ATH11K_DBRING_H */

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

@@ -12,6 +12,43 @@
 #include "debug_htt_stats.h"
 #include "peer.h"
 
+static const char *htt_bp_umac_ring[HTT_SW_UMAC_RING_IDX_MAX] = {
+	"REO2SW1_RING",
+	"REO2SW2_RING",
+	"REO2SW3_RING",
+	"REO2SW4_RING",
+	"WBM2REO_LINK_RING",
+	"REO2TCL_RING",
+	"REO2FW_RING",
+	"RELEASE_RING",
+	"PPE_RELEASE_RING",
+	"TCL2TQM_RING",
+	"TQM_RELEASE_RING",
+	"REO_RELEASE_RING",
+	"WBM2SW0_RELEASE_RING",
+	"WBM2SW1_RELEASE_RING",
+	"WBM2SW2_RELEASE_RING",
+	"WBM2SW3_RELEASE_RING",
+	"REO_CMD_RING",
+	"REO_STATUS_RING",
+};
+
+static const char *htt_bp_lmac_ring[HTT_SW_LMAC_RING_IDX_MAX] = {
+	"FW2RXDMA_BUF_RING",
+	"FW2RXDMA_STATUS_RING",
+	"FW2RXDMA_LINK_RING",
+	"SW2RXDMA_BUF_RING",
+	"WBM2RXDMA_LINK_RING",
+	"RXDMA2FW_RING",
+	"RXDMA2SW_RING",
+	"RXDMA2RELEASE_RING",
+	"RXDMA2REO_RING",
+	"MONITOR_STATUS_RING",
+	"MONITOR_BUF_RING",
+	"MONITOR_DESC_RING",
+	"MONITOR_DEST_RING",
+};
+
 void ath11k_info(struct ath11k_base *ab, const char *fmt, ...)
 {
 	struct va_format vaf = {
@@ -739,12 +776,78 @@ static const struct file_operations fops_extd_rx_stats = {
 	.open = simple_open,
 };
 
-static ssize_t ath11k_debug_dump_soc_rx_stats(struct file *file,
+static int ath11k_fill_bp_stats(struct ath11k_base *ab,
+				struct ath11k_bp_stats *bp_stats,
+				char *buf, int len, int size)
+{
+	lockdep_assert_held(&ab->base_lock);
+
+	len += scnprintf(buf + len, size - len, "count: %u\n",
+			 bp_stats->count);
+	len += scnprintf(buf + len, size - len, "hp: %u\n",
+			 bp_stats->hp);
+	len += scnprintf(buf + len, size - len, "tp: %u\n",
+			 bp_stats->tp);
+	len += scnprintf(buf + len, size - len, "seen before: %ums\n\n",
+			 jiffies_to_msecs(jiffies - bp_stats->jiffies));
+	return len;
+}
+
+static ssize_t ath11k_debug_dump_soc_ring_bp_stats(struct ath11k_base *ab,
+						   char *buf, int size)
+{
+	struct ath11k_bp_stats *bp_stats;
+	bool stats_rxd = false;
+	u8 i, pdev_idx;
+	int len = 0;
+
+	len += scnprintf(buf + len, size - len, "\nBackpressure Stats\n");
+	len += scnprintf(buf + len, size - len, "==================\n");
+
+	spin_lock_bh(&ab->base_lock);
+	for (i = 0; i < HTT_SW_UMAC_RING_IDX_MAX; i++) {
+		bp_stats = &ab->soc_stats.bp_stats.umac_ring_bp_stats[i];
+
+		if (!bp_stats->count)
+			continue;
+
+		len += scnprintf(buf + len, size - len, "Ring: %s\n",
+				 htt_bp_umac_ring[i]);
+		len = ath11k_fill_bp_stats(ab, bp_stats, buf, len, size);
+		stats_rxd = true;
+	}
+
+	for (i = 0; i < HTT_SW_LMAC_RING_IDX_MAX; i++) {
+		for (pdev_idx = 0; pdev_idx < MAX_RADIOS; pdev_idx++) {
+			bp_stats =
+				&ab->soc_stats.bp_stats.lmac_ring_bp_stats[i][pdev_idx];
+
+			if (!bp_stats->count)
+				continue;
+
+			len += scnprintf(buf + len, size - len, "Ring: %s\n",
+					 htt_bp_lmac_ring[i]);
+			len += scnprintf(buf + len, size - len, "pdev: %d\n",
+					 pdev_idx);
+			len = ath11k_fill_bp_stats(ab, bp_stats, buf, len, size);
+			stats_rxd = true;
+		}
+	}
+	spin_unlock_bh(&ab->base_lock);
+
+	if (!stats_rxd)
+		len += scnprintf(buf + len, size - len,
+				 "No Ring Backpressure stats received\n\n");
+
+	return len;
+}
+
+static ssize_t ath11k_debug_dump_soc_dp_stats(struct file *file,
 					      char __user *user_buf,
 					      size_t count, loff_t *ppos)
 {
 	struct ath11k_base *ab = file->private_data;
-	struct ath11k_soc_dp_rx_stats *soc_stats = &ab->soc_stats;
+	struct ath11k_soc_dp_stats *soc_stats = &ab->soc_stats;
 	int len = 0, i, retval;
 	const int size = 4096;
 	static const char *rxdma_err[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX] = {
@@ -788,6 +891,19 @@ static ssize_t ath11k_debug_dump_soc_rx_stats(struct file *file,
 			 soc_stats->hal_reo_error[2],
 			 soc_stats->hal_reo_error[3]);
 
+	len += scnprintf(buf + len, size - len, "\nSOC TX STATS:\n");
+	len += scnprintf(buf + len, size - len, "\nTCL Ring Full Failures:\n");
+
+	for (i = 0; i < DP_TCL_NUM_RING_MAX; i++)
+		len += scnprintf(buf + len, size - len, "ring%d: %u\n",
+				 i, soc_stats->tx_err.desc_na[i]);
+
+	len += scnprintf(buf + len, size - len,
+			 "\nMisc Transmit Failures: %d\n",
+			 atomic_read(&soc_stats->tx_err.misc_fail));
+
+	len += ath11k_debug_dump_soc_ring_bp_stats(ab, buf + len, size - len);
+
 	if (len > size)
 		len = size;
 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
@@ -796,8 +912,8 @@ static ssize_t ath11k_debug_dump_soc_rx_stats(struct file *file,
 	return retval;
 }
 
-static const struct file_operations fops_soc_rx_stats = {
-	.read = ath11k_debug_dump_soc_rx_stats,
+static const struct file_operations fops_soc_dp_stats = {
+	.read = ath11k_debug_dump_soc_dp_stats,
 	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
@@ -819,8 +935,8 @@ int ath11k_debug_pdev_create(struct ath11k_base *ab)
 	debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab,
 			    &fops_simulate_fw_crash);
 
-	debugfs_create_file("soc_rx_stats", 0600, ab->debugfs_soc, ab,
-			    &fops_soc_rx_stats);
+	debugfs_create_file("soc_dp_stats", 0600, ab->debugfs_soc, ab,
+			    &fops_soc_dp_stats);
 
 	return 0;
 }

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

@@ -172,11 +172,12 @@ int ath11k_dp_srng_setup(struct ath11k_base *ab, struct dp_srng *ring,
 	case HAL_RXDMA_DST:
 	case HAL_RXDMA_MONITOR_DST:
 	case HAL_RXDMA_MONITOR_DESC:
-	case HAL_RXDMA_DIR_BUF:
 		params.intr_batch_cntr_thres_entries =
 					HAL_SRNG_INT_BATCH_THRESHOLD_OTHER;
 		params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_OTHER;
 		break;
+	case HAL_RXDMA_DIR_BUF:
+		break;
 	default:
 		ath11k_warn(ab, "Not a valid ring type in dp :%d\n", type);
 		return -EINVAL;

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

@@ -999,6 +999,48 @@ struct htt_resp_msg {
 #define HTT_BACKPRESSURE_EVENT_HP_M GENMASK(15, 0)
 #define HTT_BACKPRESSURE_EVENT_TP_M GENMASK(31, 16)
 
+#define HTT_BACKPRESSURE_UMAC_RING_TYPE	0
+#define HTT_BACKPRESSURE_LMAC_RING_TYPE	1
+
+enum htt_backpressure_umac_ringid {
+	HTT_SW_RING_IDX_REO_REO2SW1_RING,
+	HTT_SW_RING_IDX_REO_REO2SW2_RING,
+	HTT_SW_RING_IDX_REO_REO2SW3_RING,
+	HTT_SW_RING_IDX_REO_REO2SW4_RING,
+	HTT_SW_RING_IDX_REO_WBM2REO_LINK_RING,
+	HTT_SW_RING_IDX_REO_REO2TCL_RING,
+	HTT_SW_RING_IDX_REO_REO2FW_RING,
+	HTT_SW_RING_IDX_REO_REO_RELEASE_RING,
+	HTT_SW_RING_IDX_WBM_PPE_RELEASE_RING,
+	HTT_SW_RING_IDX_TCL_TCL2TQM_RING,
+	HTT_SW_RING_IDX_WBM_TQM_RELEASE_RING,
+	HTT_SW_RING_IDX_WBM_REO_RELEASE_RING,
+	HTT_SW_RING_IDX_WBM_WBM2SW0_RELEASE_RING,
+	HTT_SW_RING_IDX_WBM_WBM2SW1_RELEASE_RING,
+	HTT_SW_RING_IDX_WBM_WBM2SW2_RELEASE_RING,
+	HTT_SW_RING_IDX_WBM_WBM2SW3_RELEASE_RING,
+	HTT_SW_RING_IDX_REO_REO_CMD_RING,
+	HTT_SW_RING_IDX_REO_REO_STATUS_RING,
+	HTT_SW_UMAC_RING_IDX_MAX,
+};
+
+enum htt_backpressure_lmac_ringid {
+	HTT_SW_RING_IDX_FW2RXDMA_BUF_RING,
+	HTT_SW_RING_IDX_FW2RXDMA_STATUS_RING,
+	HTT_SW_RING_IDX_FW2RXDMA_LINK_RING,
+	HTT_SW_RING_IDX_SW2RXDMA_BUF_RING,
+	HTT_SW_RING_IDX_WBM2RXDMA_LINK_RING,
+	HTT_SW_RING_IDX_RXDMA2FW_RING,
+	HTT_SW_RING_IDX_RXDMA2SW_RING,
+	HTT_SW_RING_IDX_RXDMA2RELEASE_RING,
+	HTT_SW_RING_IDX_RXDMA2REO_RING,
+	HTT_SW_RING_IDX_MONITOR_STATUS_RING,
+	HTT_SW_RING_IDX_MONITOR_BUF_RING,
+	HTT_SW_RING_IDX_MONITOR_DESC_RING,
+	HTT_SW_RING_IDX_MONITOR_DEST_RING,
+	HTT_SW_LMAC_RING_IDX_MAX,
+};
+
 /* ppdu stats
  *
  * @details

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

@@ -653,10 +653,8 @@ static void ath11k_dp_rx_tid_del_func(struct ath11k_dp *dp, void *ctx,
 	spin_lock_bh(&dp->reo_cmd_lock);
 	list_add_tail(&elem->list, &dp->reo_cmd_cache_flush_list);
 	dp->reo_cmd_cache_flush_count++;
-	spin_unlock_bh(&dp->reo_cmd_lock);
 
 	/* Flush and invalidate aged REO desc from HW cache */
-	spin_lock_bh(&dp->reo_cmd_lock);
 	list_for_each_entry_safe(elem, tmp, &dp->reo_cmd_cache_flush_list,
 				 list) {
 		if (dp->reo_cmd_cache_flush_count > DP_REO_DESC_FREE_THRESHOLD ||
@@ -1503,9 +1501,10 @@ static void ath11k_htt_backpressure_event_handler(struct ath11k_base *ab,
 						  struct sk_buff *skb)
 {
 	u32 *data = (u32 *)skb->data;
-	u8 pdev_id, ring_type, ring_id;
+	u8 pdev_id, ring_type, ring_id, pdev_idx;
 	u16 hp, tp;
 	u32 backpressure_time;
+	struct ath11k_bp_stats *bp_stats;
 
 	pdev_id = FIELD_GET(HTT_BACKPRESSURE_EVENT_PDEV_ID_M, *data);
 	ring_type = FIELD_GET(HTT_BACKPRESSURE_EVENT_RING_TYPE_M, *data);
@@ -1520,6 +1519,31 @@ static void ath11k_htt_backpressure_event_handler(struct ath11k_base *ab,
 
 	ath11k_dbg(ab, ATH11K_DBG_DP_HTT, "htt backpressure event, pdev %d, ring type %d,ring id %d, hp %d tp %d, backpressure time %d\n",
 		   pdev_id, ring_type, ring_id, hp, tp, backpressure_time);
+
+	if (ring_type == HTT_BACKPRESSURE_UMAC_RING_TYPE) {
+		if (ring_id >= HTT_SW_UMAC_RING_IDX_MAX)
+			return;
+
+		bp_stats = &ab->soc_stats.bp_stats.umac_ring_bp_stats[ring_id];
+	} else if (ring_type == HTT_BACKPRESSURE_LMAC_RING_TYPE) {
+		pdev_idx = DP_HW2SW_MACID(pdev_id);
+
+		if (ring_id >= HTT_SW_LMAC_RING_IDX_MAX || pdev_idx >= MAX_RADIOS)
+			return;
+
+		bp_stats = &ab->soc_stats.bp_stats.lmac_ring_bp_stats[ring_id][pdev_idx];
+	} else {
+		ath11k_warn(ab, "unknown ring type received in htt bp event %d\n",
+			    ring_type);
+		return;
+	}
+
+	spin_lock_bh(&ab->base_lock);
+	bp_stats->hp = hp;
+	bp_stats->tp = tp;
+	bp_stats->count++;
+	bp_stats->jiffies = jiffies;
+	spin_unlock_bh(&ab->base_lock);
 }
 
 void ath11k_dp_htt_htc_t2h_msg_handler(struct ath11k_base *ab,
@@ -2162,6 +2186,7 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc,
 				struct ieee80211_rx_status *rx_status)
 {
 	u8 channel_num;
+	u32 center_freq;
 
 	rx_status->freq = 0;
 	rx_status->rate_idx = 0;
@@ -2172,8 +2197,11 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc,
 	rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
 	channel_num = ath11k_dp_rx_h_msdu_start_freq(rx_desc);
+	center_freq = ath11k_dp_rx_h_msdu_start_freq(rx_desc) >> 16;
 
-	if (channel_num >= 1 && channel_num <= 14) {
+	if (center_freq >= 5935 && center_freq <= 7105) {
+		rx_status->band = NL80211_BAND_6GHZ;
+	} else if (channel_num >= 1 && channel_num <= 14) {
 		rx_status->band = NL80211_BAND_2GHZ;
 	} else if (channel_num >= 36 && channel_num <= 173) {
 		rx_status->band = NL80211_BAND_5GHZ;

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

@@ -121,8 +121,10 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 	spin_unlock_bh(&tx_ring->tx_idr_lock);
 
 	if (ret < 0) {
-		if (ring_map == (BIT(DP_TCL_NUM_RING_MAX) - 1))
+		if (ring_map == (BIT(DP_TCL_NUM_RING_MAX) - 1)) {
+			atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 			return -ENOSPC;
+		}
 
 		/* Check if the next ring is available */
 		ring_selector++;
@@ -180,11 +182,13 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 	default:
 		/* TODO: Take care of other encap modes as well */
 		ret = -EINVAL;
+		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 		goto fail_remove_idr;
 	}
 
 	ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
 	if (dma_mapping_error(ab->dev, ti.paddr)) {
+		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 		ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
 		ret = -ENOMEM;
 		goto fail_remove_idr;
@@ -208,6 +212,7 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 		 * desc because the desc is directly enqueued onto hw queue.
 		 */
 		ath11k_hal_srng_access_end(ab, tcl_ring);
+		ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
 		spin_unlock_bh(&tcl_ring->lock);
 		ret = -ENOMEM;
 

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

@@ -33,6 +33,15 @@
 	.max_power              = 30, \
 }
 
+#define CHAN6G(_channel, _freq, _flags) { \
+	.band                   = NL80211_BAND_6GHZ, \
+	.hw_value               = (_channel), \
+	.center_freq            = (_freq), \
+	.flags                  = (_flags), \
+	.max_antenna_gain       = 0, \
+	.max_power              = 30, \
+}
+
 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
 static unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
@@ -86,6 +95,68 @@ static const struct ieee80211_channel ath11k_5ghz_channels[] = {
 	CHAN5G(173, 5865, 0),
 };
 
+static const struct ieee80211_channel ath11k_6ghz_channels[] = {
+	CHAN6G(1, 5955, 0),
+	CHAN6G(5, 5975, 0),
+	CHAN6G(9, 5995, 0),
+	CHAN6G(13, 6015, 0),
+	CHAN6G(17, 6035, 0),
+	CHAN6G(21, 6055, 0),
+	CHAN6G(25, 6075, 0),
+	CHAN6G(29, 6095, 0),
+	CHAN6G(33, 6115, 0),
+	CHAN6G(37, 6135, 0),
+	CHAN6G(41, 6155, 0),
+	CHAN6G(45, 6175, 0),
+	CHAN6G(49, 6195, 0),
+	CHAN6G(53, 6215, 0),
+	CHAN6G(57, 6235, 0),
+	CHAN6G(61, 6255, 0),
+	CHAN6G(65, 6275, 0),
+	CHAN6G(69, 6295, 0),
+	CHAN6G(73, 6315, 0),
+	CHAN6G(77, 6335, 0),
+	CHAN6G(81, 6355, 0),
+	CHAN6G(85, 6375, 0),
+	CHAN6G(89, 6395, 0),
+	CHAN6G(93, 6415, 0),
+	CHAN6G(97, 6435, 0),
+	CHAN6G(101, 6455, 0),
+	CHAN6G(105, 6475, 0),
+	CHAN6G(109, 6495, 0),
+	CHAN6G(113, 6515, 0),
+	CHAN6G(117, 6535, 0),
+	CHAN6G(121, 6555, 0),
+	CHAN6G(125, 6575, 0),
+	CHAN6G(129, 6595, 0),
+	CHAN6G(133, 6615, 0),
+	CHAN6G(137, 6635, 0),
+	CHAN6G(141, 6655, 0),
+	CHAN6G(145, 6675, 0),
+	CHAN6G(149, 6695, 0),
+	CHAN6G(153, 6715, 0),
+	CHAN6G(157, 6735, 0),
+	CHAN6G(161, 6755, 0),
+	CHAN6G(165, 6775, 0),
+	CHAN6G(169, 6795, 0),
+	CHAN6G(173, 6815, 0),
+	CHAN6G(177, 6835, 0),
+	CHAN6G(181, 6855, 0),
+	CHAN6G(185, 6875, 0),
+	CHAN6G(189, 6895, 0),
+	CHAN6G(193, 6915, 0),
+	CHAN6G(197, 6935, 0),
+	CHAN6G(201, 6955, 0),
+	CHAN6G(205, 6975, 0),
+	CHAN6G(209, 6995, 0),
+	CHAN6G(213, 7015, 0),
+	CHAN6G(217, 7035, 0),
+	CHAN6G(221, 7055, 0),
+	CHAN6G(225, 7075, 0),
+	CHAN6G(229, 7095, 0),
+	CHAN6G(233, 7115, 0),
+};
+
 static struct ieee80211_rate ath11k_legacy_rates[] = {
 	{ .bitrate = 10,
 	  .hw_value = ATH11K_HW_RATE_CCK_LP_1M },
@@ -134,6 +205,17 @@ ath11k_phymodes[NUM_NL80211_BANDS][ATH11K_CHAN_WIDTH_NUM] = {
 			[NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
 			[NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
 	},
+	[NL80211_BAND_6GHZ] = {
+			[NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
+			[NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
+			[NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
+			[NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
+			[NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
+			[NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
+			[NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
+			[NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
+	},
+
 };
 
 const struct htt_rx_ring_tlv_filter ath11k_mac_mon_status_filter_default = {
@@ -698,6 +780,8 @@ static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif)
 	struct ieee80211_vif *vif = arvif->vif;
 	struct ieee80211_mutable_offsets offs = {};
 	struct sk_buff *bcn;
+	struct ieee80211_mgmt *mgmt;
+	u8 *ies;
 	int ret;
 
 	if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
@@ -709,6 +793,17 @@ static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif)
 		return -EPERM;
 	}
 
+	ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);
+	ies += sizeof(mgmt->u.beacon);
+
+	if (cfg80211_find_ie(WLAN_EID_RSN, ies, (skb_tail_pointer(bcn) - ies)))
+		arvif->rsnie_present = true;
+
+	if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+				    WLAN_OUI_TYPE_MICROSOFT_WPA,
+				    ies, (skb_tail_pointer(bcn) - ies)))
+		arvif->wpaie_present = true;
+
 	ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn);
 
 	kfree_skb(bcn);
@@ -798,6 +893,7 @@ static void ath11k_peer_assoc_h_crypto(struct ath11k *ar,
 	struct ieee80211_bss_conf *info = &vif->bss_conf;
 	struct cfg80211_chan_def def;
 	struct cfg80211_bss *bss;
+	struct ath11k_vif *arvif = (struct ath11k_vif *)vif->drv_priv;
 	const u8 *rsnie = NULL;
 	const u8 *wpaie = NULL;
 
@@ -808,7 +904,12 @@ static void ath11k_peer_assoc_h_crypto(struct ath11k *ar,
 
 	bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
 			       IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
-	if (bss) {
+
+	if (arvif->rsnie_present || arvif->wpaie_present) {
+		arg->need_ptk_4_way = true;
+		if (arvif->wpaie_present)
+			arg->need_gtk_2_way = true;
+	} else if (bss) {
 		const struct cfg80211_bss_ies *ies;
 
 		rcu_read_lock();
@@ -1489,6 +1590,7 @@ static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
 		}
 		break;
 	case NL80211_BAND_5GHZ:
+	case NL80211_BAND_6GHZ:
 		/* Check HE first */
 		if (sta->he_cap.has_he) {
 			phymode = ath11k_mac_get_phymode_he(ar, sta);
@@ -2125,6 +2227,9 @@ static int ath11k_start_scan(struct ath11k *ar,
 
 	lockdep_assert_held(&ar->conf_mutex);
 
+	if (ath11k_spectral_get_mode(ar) == ATH11K_SPECTRAL_BACKGROUND)
+		ath11k_spectral_reset_buffer(ar);
+
 	ret = ath11k_wmi_send_scan_start_cmd(ar, arg);
 	if (ret)
 		return ret;
@@ -3411,7 +3516,7 @@ static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar,
 						    rate_cap_rx_chainmask);
 	}
 
-	if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {
+	if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && !ar->supports_6ghz) {
 		band = &ar->mac.sbands[NL80211_BAND_5GHZ];
 		ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info;
 		if (ht_cap_info)
@@ -3532,6 +3637,35 @@ ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)
 	he_cap_elem->phy_cap_info[9] &= ~m;
 }
 
+static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap,
+					   struct ath11k_band_cap *bcap)
+{
+	u8 val;
+
+	bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE;
+	if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
+		bcap->he_6ghz_capa |=
+			FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
+				   WLAN_HT_CAP_SM_PS_DYNAMIC);
+	else
+		bcap->he_6ghz_capa |=
+			FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
+				   WLAN_HT_CAP_SM_PS_DISABLED);
+	val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
+			pcap->vht_cap);
+	bcap->he_6ghz_capa |=
+		FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val);
+	val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap);
+	bcap->he_6ghz_capa |=
+		FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val);
+	if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
+		bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
+	if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
+		bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
+
+	return cpu_to_le16(bcap->he_6ghz_capa);
+}
+
 static int ath11k_mac_copy_he_cap(struct ath11k *ar,
 				  struct ath11k_pdev_cap *cap,
 				  struct ieee80211_sband_iftype_data *data,
@@ -3614,6 +3748,11 @@ static int ath11k_mac_copy_he_cap(struct ath11k *ar,
 		    IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
 			ath11k_gen_ppe_thresh(&band_cap->he_ppet,
 					      he_cap->ppe_thres);
+
+		if (band == NL80211_BAND_6GHZ) {
+			data[idx].he_6ghz_capa.capa =
+				ath11k_mac_setup_he_6ghz_cap(cap, band_cap);
+		}
 		idx++;
 	}
 
@@ -3643,6 +3782,16 @@ static void ath11k_mac_setup_he_cap(struct ath11k *ar,
 		band->iftype_data = ar->mac.iftype[NL80211_BAND_5GHZ];
 		band->n_iftype_data = count;
 	}
+
+	if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
+	    ar->supports_6ghz) {
+		count = ath11k_mac_copy_he_cap(ar, cap,
+					       ar->mac.iftype[NL80211_BAND_6GHZ],
+					       NL80211_BAND_6GHZ);
+		band = &ar->mac.sbands[NL80211_BAND_6GHZ];
+		band->iftype_data = ar->mac.iftype[NL80211_BAND_6GHZ];
+		band->n_iftype_data = count;
+	}
 }
 
 static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
@@ -4085,6 +4234,11 @@ ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif,
 		params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;
 		params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;
 	}
+	if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP &&
+	    ar->supports_6ghz) {
+		params->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains;
+		params->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains;
+	}
 }
 
 static u32
@@ -5217,7 +5371,7 @@ ath11k_mac_get_single_legacy_rate(struct ath11k *ar,
 
 	rate_idx = ffs(mask->control[band].legacy) - 1;
 
-	if (band == NL80211_BAND_5GHZ)
+	if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ)
 		rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;
 
 	hw_rate = ath11k_legacy_rates[rate_idx].hw_value;
@@ -5683,7 +5837,8 @@ static int ath11k_mac_setup_channels_rates(struct ath11k *ar,
 	void *channels;
 
 	BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) +
-		      ARRAY_SIZE(ath11k_5ghz_channels)) !=
+		      ARRAY_SIZE(ath11k_5ghz_channels) +
+		      ARRAY_SIZE(ath11k_6ghz_channels)) !=
 		     ATH11K_NUM_CHANS);
 
 	reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx];
@@ -5696,6 +5851,7 @@ static int ath11k_mac_setup_channels_rates(struct ath11k *ar,
 			return -ENOMEM;
 
 		band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+		band->band = NL80211_BAND_2GHZ;
 		band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels);
 		band->channels = channels;
 		band->n_bitrates = ath11k_g_rates_size;
@@ -5707,23 +5863,48 @@ static int ath11k_mac_setup_channels_rates(struct ath11k *ar,
 	}
 
 	if (supported_bands & WMI_HOST_WLAN_5G_CAP) {
-		channels = kmemdup(ath11k_5ghz_channels,
-				   sizeof(ath11k_5ghz_channels),
-				   GFP_KERNEL);
-		if (!channels) {
-			kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
-			return -ENOMEM;
+		if (reg_cap->high_5ghz_chan >= ATH11K_MAX_6G_FREQ) {
+			channels = kmemdup(ath11k_6ghz_channels,
+					   sizeof(ath11k_6ghz_channels), GFP_KERNEL);
+			if (!channels) {
+				kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+				return -ENOMEM;
+			}
+
+			ar->supports_6ghz = true;
+			band = &ar->mac.sbands[NL80211_BAND_6GHZ];
+			band->band = NL80211_BAND_6GHZ;
+			band->n_channels = ARRAY_SIZE(ath11k_6ghz_channels);
+			band->channels = channels;
+			band->n_bitrates = ath11k_a_rates_size;
+			band->bitrates = ath11k_a_rates;
+			ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band;
+			ath11k_mac_update_ch_list(ar, band,
+						  reg_cap->low_5ghz_chan,
+						  reg_cap->high_5ghz_chan);
 		}
 
-		band = &ar->mac.sbands[NL80211_BAND_5GHZ];
-		band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels);
-		band->channels = channels;
-		band->n_bitrates = ath11k_a_rates_size;
-		band->bitrates = ath11k_a_rates;
-		ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
-		ath11k_mac_update_ch_list(ar, band,
-					  reg_cap->low_5ghz_chan,
-					  reg_cap->high_5ghz_chan);
+		if (reg_cap->low_5ghz_chan < ATH11K_MIN_6G_FREQ) {
+			channels = kmemdup(ath11k_5ghz_channels,
+					   sizeof(ath11k_5ghz_channels),
+					   GFP_KERNEL);
+			if (!channels) {
+				kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+				kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
+				return -ENOMEM;
+			}
+
+			band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+			band->band = NL80211_BAND_5GHZ;
+			band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels);
+			band->channels = channels;
+			band->n_bitrates = ath11k_a_rates_size;
+			band->bitrates = ath11k_a_rates;
+			ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
+			ath11k_mac_update_ch_list(ar, band,
+						  reg_cap->low_5ghz_chan,
+						  reg_cap->high_5ghz_chan);
+		}
 	}
 
 	return 0;
@@ -5777,6 +5958,7 @@ static void __ath11k_mac_unregister(struct ath11k *ar)
 
 	kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
 	kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
+	kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
 
 	SET_IEEE80211_DEV(ar->hw, NULL);
 }

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

@@ -161,6 +161,10 @@ int ath11k_reg_update_chan_list(struct ath11k *ar)
 			else
 				ch->phy_mode = MODE_11A;
 
+			if (channel->band == NL80211_BAND_6GHZ &&
+			    cfg80211_channel_is_psc(channel))
+				ch->psc_channel = true;
+
 			ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
 				   "mac channel [%d/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
 				   i, params->nallchans,

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

+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/relay.h>
+#include "core.h"
+#include "debug.h"
+
+#define ATH11K_SPECTRAL_NUM_RESP_PER_EVENT	2
+#define ATH11K_SPECTRAL_EVENT_TIMEOUT_MS	1
+
+#define ATH11K_SPECTRAL_DWORD_SIZE		4
+/* HW bug, expected BIN size is 2 bytes but HW report as 4 bytes */
+#define ATH11K_SPECTRAL_BIN_SIZE		4
+#define ATH11K_SPECTRAL_ATH11K_MIN_BINS		64
+#define ATH11K_SPECTRAL_ATH11K_MIN_IB_BINS	32
+#define ATH11K_SPECTRAL_ATH11K_MAX_IB_BINS	256
+
+#define ATH11K_SPECTRAL_SAMPLE_FFT_BIN_MASK	0xFF
+
+#define ATH11K_SPECTRAL_SCAN_COUNT_MAX		4095
+
+/* Max channel computed by sum of 2g and 5g band channels */
+#define ATH11K_SPECTRAL_TOTAL_CHANNEL		41
+#define ATH11K_SPECTRAL_SAMPLES_PER_CHANNEL	70
+#define ATH11K_SPECTRAL_PER_SAMPLE_SIZE		(sizeof(struct fft_sample_ath11k) + \
+						 ATH11K_SPECTRAL_ATH11K_MAX_IB_BINS)
+#define ATH11K_SPECTRAL_TOTAL_SAMPLE		(ATH11K_SPECTRAL_TOTAL_CHANNEL * \
+						 ATH11K_SPECTRAL_SAMPLES_PER_CHANNEL)
+#define ATH11K_SPECTRAL_SUB_BUFF_SIZE		ATH11K_SPECTRAL_PER_SAMPLE_SIZE
+#define ATH11K_SPECTRAL_NUM_SUB_BUF		ATH11K_SPECTRAL_TOTAL_SAMPLE
+
+#define ATH11K_SPECTRAL_20MHZ			20
+#define ATH11K_SPECTRAL_40MHZ			40
+#define ATH11K_SPECTRAL_80MHZ			80
+
+#define ATH11K_SPECTRAL_SIGNATURE		0xFA
+
+#define ATH11K_SPECTRAL_TAG_RADAR_SUMMARY	0x0
+#define ATH11K_SPECTRAL_TAG_RADAR_FFT		0x1
+#define ATH11K_SPECTRAL_TAG_SCAN_SUMMARY	0x2
+#define ATH11K_SPECTRAL_TAG_SCAN_SEARCH		0x3
+
+#define SPECTRAL_TLV_HDR_LEN				GENMASK(15, 0)
+#define SPECTRAL_TLV_HDR_TAG				GENMASK(23, 16)
+#define SPECTRAL_TLV_HDR_SIGN				GENMASK(31, 24)
+
+#define SPECTRAL_SUMMARY_INFO0_AGC_TOTAL_GAIN		GENMASK(7, 0)
+#define SPECTRAL_SUMMARY_INFO0_OB_FLAG			BIT(8)
+#define SPECTRAL_SUMMARY_INFO0_GRP_IDX			GENMASK(16, 9)
+#define SPECTRAL_SUMMARY_INFO0_RECENT_RFSAT		BIT(17)
+#define SPECTRAL_SUMMARY_INFO0_INBAND_PWR_DB		GENMASK(27, 18)
+#define SPECTRAL_SUMMARY_INFO0_FALSE_SCAN		BIT(28)
+#define SPECTRAL_SUMMARY_INFO0_DETECTOR_ID		GENMASK(30, 29)
+#define SPECTRAL_SUMMARY_INFO0_PRI80			BIT(31)
+
+#define SPECTRAL_SUMMARY_INFO2_PEAK_SIGNED_IDX		GENMASK(11, 0)
+#define SPECTRAL_SUMMARY_INFO2_PEAK_MAGNITUDE		GENMASK(21, 12)
+#define SPECTRAL_SUMMARY_INFO2_NARROWBAND_MASK		GENMASK(29, 22)
+#define SPECTRAL_SUMMARY_INFO2_GAIN_CHANGE		BIT(30)
+
+struct spectral_tlv {
+	__le32 timestamp;
+	__le32 header;
+} __packed;
+
+struct spectral_summary_fft_report {
+	__le32 timestamp;
+	__le32 tlv_header;
+	__le32 info0;
+	__le32 reserve0;
+	__le32 info2;
+	__le32 reserve1;
+} __packed;
+
+struct ath11k_spectral_summary_report {
+	struct wmi_dma_buf_release_meta_data meta;
+	u32 timestamp;
+	u8 agc_total_gain;
+	u8 grp_idx;
+	u16 inb_pwr_db;
+	s16 peak_idx;
+	u16 peak_mag;
+	u8 detector_id;
+	bool out_of_band_flag;
+	bool rf_saturation;
+	bool primary80;
+	bool gain_change;
+	bool false_scan;
+};
+
+#define SPECTRAL_FFT_REPORT_INFO0_DETECTOR_ID		GENMASK(1, 0)
+#define SPECTRAL_FFT_REPORT_INFO0_FFT_NUM		GENMASK(4, 2)
+#define SPECTRAL_FFT_REPORT_INFO0_RADAR_CHECK		GENMASK(16, 5)
+#define SPECTRAL_FFT_REPORT_INFO0_PEAK_SIGNED_IDX	GENMASK(27, 17)
+#define SPECTRAL_FFT_REPORT_INFO0_CHAIN_IDX		GENMASK(30, 28)
+
+#define SPECTRAL_FFT_REPORT_INFO1_BASE_PWR_DB		GENMASK(8, 0)
+#define SPECTRAL_FFT_REPORT_INFO1_TOTAL_GAIN_DB		GENMASK(16, 9)
+
+#define SPECTRAL_FFT_REPORT_INFO2_NUM_STRONG_BINS	GENMASK(7, 0)
+#define SPECTRAL_FFT_REPORT_INFO2_PEAK_MAGNITUDE	GENMASK(17, 8)
+#define SPECTRAL_FFT_REPORT_INFO2_AVG_PWR_DB		GENMASK(24, 18)
+#define SPECTRAL_FFT_REPORT_INFO2_REL_PWR_DB		GENMASK(31, 25)
+
+struct spectral_search_fft_report {
+	__le32 timestamp;
+	__le32 tlv_header;
+	__le32 info0;
+	__le32 info1;
+	__le32 info2;
+	__le32 reserve0;
+	u8 bins[0];
+} __packed;
+
+struct ath11k_spectral_search_report {
+	u32 timestamp;
+	u8 detector_id;
+	u8 fft_count;
+	u16 radar_check;
+	s16 peak_idx;
+	u8 chain_idx;
+	u16 base_pwr_db;
+	u8 total_gain_db;
+	u8 strong_bin_count;
+	u16 peak_mag;
+	u8 avg_pwr_db;
+	u8 rel_pwr_db;
+};
+
+static struct dentry *create_buf_file_handler(const char *filename,
+					      struct dentry *parent,
+					      umode_t mode,
+					      struct rchan_buf *buf,
+					      int *is_global)
+{
+	struct dentry *buf_file;
+
+	buf_file = debugfs_create_file(filename, mode, parent, buf,
+				       &relay_file_operations);
+	*is_global = 1;
+	return buf_file;
+}
+
+static int remove_buf_file_handler(struct dentry *dentry)
+{
+	debugfs_remove(dentry);
+
+	return 0;
+}
+
+static struct rchan_callbacks rfs_scan_cb = {
+	.create_buf_file = create_buf_file_handler,
+	.remove_buf_file = remove_buf_file_handler,
+};
+
+static struct ath11k_vif *ath11k_spectral_get_vdev(struct ath11k *ar)
+{
+	struct ath11k_vif *arvif;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	if (list_empty(&ar->arvifs))
+		return NULL;
+
+	/* if there already is a vif doing spectral, return that. */
+	list_for_each_entry(arvif, &ar->arvifs, list)
+		if (arvif->spectral_enabled)
+			return arvif;
+
+	/* otherwise, return the first vif. */
+	return list_first_entry(&ar->arvifs, typeof(*arvif), list);
+}
+
+static int ath11k_spectral_scan_trigger(struct ath11k *ar)
+{
+	struct ath11k_vif *arvif;
+	int ret;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	arvif = ath11k_spectral_get_vdev(ar);
+	if (!arvif)
+		return -ENODEV;
+
+	if (ar->spectral.mode == ATH11K_SPECTRAL_DISABLED)
+		return 0;
+
+	ret = ath11k_wmi_vdev_spectral_enable(ar, arvif->vdev_id,
+					      ATH11K_WMI_SPECTRAL_TRIGGER_CMD_CLEAR,
+					      ATH11K_WMI_SPECTRAL_ENABLE_CMD_ENABLE);
+	if (ret)
+		return ret;
+
+	ret = ath11k_wmi_vdev_spectral_enable(ar, arvif->vdev_id,
+					      ATH11K_WMI_SPECTRAL_TRIGGER_CMD_TRIGGER,
+					      ATH11K_WMI_SPECTRAL_ENABLE_CMD_ENABLE);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int ath11k_spectral_scan_config(struct ath11k *ar,
+				       enum ath11k_spectral_mode mode)
+{
+	struct ath11k_wmi_vdev_spectral_conf_param param = { 0 };
+	struct ath11k_vif *arvif;
+	int ret, count;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	arvif = ath11k_spectral_get_vdev(ar);
+	if (!arvif)
+		return -ENODEV;
+
+	arvif->spectral_enabled = (mode != ATH11K_SPECTRAL_DISABLED);
+	ar->spectral.mode = mode;
+
+	ret = ath11k_wmi_vdev_spectral_enable(ar, arvif->vdev_id,
+					      ATH11K_WMI_SPECTRAL_TRIGGER_CMD_CLEAR,
+					      ATH11K_WMI_SPECTRAL_ENABLE_CMD_DISABLE);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to enable spectral scan: %d\n", ret);
+		return ret;
+	}
+
+	if (mode == ATH11K_SPECTRAL_DISABLED)
+		return 0;
+
+	if (mode == ATH11K_SPECTRAL_BACKGROUND)
+		count = ATH11K_WMI_SPECTRAL_COUNT_DEFAULT;
+	else
+		count = max_t(u16, 1, ar->spectral.count);
+
+	param.vdev_id = arvif->vdev_id;
+	param.scan_count = count;
+	param.scan_fft_size = ar->spectral.fft_size;
+	param.scan_period = ATH11K_WMI_SPECTRAL_PERIOD_DEFAULT;
+	param.scan_priority = ATH11K_WMI_SPECTRAL_PRIORITY_DEFAULT;
+	param.scan_gc_ena = ATH11K_WMI_SPECTRAL_GC_ENA_DEFAULT;
+	param.scan_restart_ena = ATH11K_WMI_SPECTRAL_RESTART_ENA_DEFAULT;
+	param.scan_noise_floor_ref = ATH11K_WMI_SPECTRAL_NOISE_FLOOR_REF_DEFAULT;
+	param.scan_init_delay = ATH11K_WMI_SPECTRAL_INIT_DELAY_DEFAULT;
+	param.scan_nb_tone_thr = ATH11K_WMI_SPECTRAL_NB_TONE_THR_DEFAULT;
+	param.scan_str_bin_thr = ATH11K_WMI_SPECTRAL_STR_BIN_THR_DEFAULT;
+	param.scan_wb_rpt_mode = ATH11K_WMI_SPECTRAL_WB_RPT_MODE_DEFAULT;
+	param.scan_rssi_rpt_mode = ATH11K_WMI_SPECTRAL_RSSI_RPT_MODE_DEFAULT;
+	param.scan_rssi_thr = ATH11K_WMI_SPECTRAL_RSSI_THR_DEFAULT;
+	param.scan_pwr_format = ATH11K_WMI_SPECTRAL_PWR_FORMAT_DEFAULT;
+	param.scan_rpt_mode = ATH11K_WMI_SPECTRAL_RPT_MODE_DEFAULT;
+	param.scan_bin_scale = ATH11K_WMI_SPECTRAL_BIN_SCALE_DEFAULT;
+	param.scan_dbm_adj = ATH11K_WMI_SPECTRAL_DBM_ADJ_DEFAULT;
+	param.scan_chn_mask = ATH11K_WMI_SPECTRAL_CHN_MASK_DEFAULT;
+
+	ret = ath11k_wmi_vdev_spectral_conf(ar, &param);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to configure spectral scan: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static ssize_t ath11k_read_file_spec_scan_ctl(struct file *file,
+					      char __user *user_buf,
+					      size_t count, loff_t *ppos)
+{
+	struct ath11k *ar = file->private_data;
+	char *mode = "";
+	size_t len;
+	enum ath11k_spectral_mode spectral_mode;
+
+	mutex_lock(&ar->conf_mutex);
+	spectral_mode = ar->spectral.mode;
+	mutex_unlock(&ar->conf_mutex);
+
+	switch (spectral_mode) {
+	case ATH11K_SPECTRAL_DISABLED:
+		mode = "disable";
+		break;
+	case ATH11K_SPECTRAL_BACKGROUND:
+		mode = "background";
+		break;
+	case ATH11K_SPECTRAL_MANUAL:
+		mode = "manual";
+		break;
+	}
+
+	len = strlen(mode);
+	return simple_read_from_buffer(user_buf, count, ppos, mode, len);
+}
+
+static ssize_t ath11k_write_file_spec_scan_ctl(struct file *file,
+					       const char __user *user_buf,
+					       size_t count, loff_t *ppos)
+{
+	struct ath11k *ar = file->private_data;
+	char buf[32];
+	ssize_t len;
+	int ret;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+
+	mutex_lock(&ar->conf_mutex);
+
+	if (strncmp("trigger", buf, 7) == 0) {
+		if (ar->spectral.mode == ATH11K_SPECTRAL_MANUAL ||
+		    ar->spectral.mode == ATH11K_SPECTRAL_BACKGROUND) {
+			/* reset the configuration to adopt possibly changed
+			 * debugfs parameters
+			 */
+			ret = ath11k_spectral_scan_config(ar, ar->spectral.mode);
+			if (ret) {
+				ath11k_warn(ar->ab, "failed to reconfigure spectral scan: %d\n",
+					    ret);
+				goto unlock;
+			}
+
+			ret = ath11k_spectral_scan_trigger(ar);
+			if (ret) {
+				ath11k_warn(ar->ab, "failed to trigger spectral scan: %d\n",
+					    ret);
+			}
+		} else {
+			ret = -EINVAL;
+		}
+	} else if (strncmp("background", buf, 10) == 0) {
+		ret = ath11k_spectral_scan_config(ar, ATH11K_SPECTRAL_BACKGROUND);
+	} else if (strncmp("manual", buf, 6) == 0) {
+		ret = ath11k_spectral_scan_config(ar, ATH11K_SPECTRAL_MANUAL);
+	} else if (strncmp("disable", buf, 7) == 0) {
+		ret = ath11k_spectral_scan_config(ar, ATH11K_SPECTRAL_DISABLED);
+	} else {
+		ret = -EINVAL;
+	}
+
+unlock:
+	mutex_unlock(&ar->conf_mutex);
+
+	if (ret)
+		return ret;
+
+	return count;
+}
+
+static const struct file_operations fops_scan_ctl = {
+	.read = ath11k_read_file_spec_scan_ctl,
+	.write = ath11k_write_file_spec_scan_ctl,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t ath11k_read_file_spectral_count(struct file *file,
+					       char __user *user_buf,
+					       size_t count, loff_t *ppos)
+{
+	struct ath11k *ar = file->private_data;
+	char buf[32];
+	size_t len;
+	u16 spectral_count;
+
+	mutex_lock(&ar->conf_mutex);
+	spectral_count = ar->spectral.count;
+	mutex_unlock(&ar->conf_mutex);
+
+	len = sprintf(buf, "%d\n", spectral_count);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath11k_write_file_spectral_count(struct file *file,
+						const char __user *user_buf,
+						size_t count, loff_t *ppos)
+{
+	struct ath11k *ar = file->private_data;
+	unsigned long val;
+	char buf[32];
+	ssize_t len;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+	if (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val > ATH11K_SPECTRAL_SCAN_COUNT_MAX)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	ar->spectral.count = val;
+	mutex_unlock(&ar->conf_mutex);
+
+	return count;
+}
+
+static const struct file_operations fops_scan_count = {
+	.read = ath11k_read_file_spectral_count,
+	.write = ath11k_write_file_spectral_count,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t ath11k_read_file_spectral_bins(struct file *file,
+					      char __user *user_buf,
+					      size_t count, loff_t *ppos)
+{
+	struct ath11k *ar = file->private_data;
+	char buf[32];
+	unsigned int bins, fft_size;
+	size_t len;
+
+	mutex_lock(&ar->conf_mutex);
+
+	fft_size = ar->spectral.fft_size;
+	bins = 1 << fft_size;
+
+	mutex_unlock(&ar->conf_mutex);
+
+	len = sprintf(buf, "%d\n", bins);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath11k_write_file_spectral_bins(struct file *file,
+					       const char __user *user_buf,
+					       size_t count, loff_t *ppos)
+{
+	struct ath11k *ar = file->private_data;
+	unsigned long val;
+	char buf[32];
+	ssize_t len;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+	if (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < ATH11K_SPECTRAL_ATH11K_MIN_BINS ||
+	    val > SPECTRAL_ATH11K_MAX_NUM_BINS)
+		return -EINVAL;
+
+	if (!is_power_of_2(val))
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	ar->spectral.fft_size = ilog2(val);
+	mutex_unlock(&ar->conf_mutex);
+
+	return count;
+}
+
+static const struct file_operations fops_scan_bins = {
+	.read = ath11k_read_file_spectral_bins,
+	.write = ath11k_write_file_spectral_bins,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static int ath11k_spectral_pull_summary(struct ath11k *ar,
+					struct wmi_dma_buf_release_meta_data *meta,
+					struct spectral_summary_fft_report *summary,
+					struct ath11k_spectral_summary_report *report)
+{
+	report->timestamp = __le32_to_cpu(summary->timestamp);
+	report->agc_total_gain = FIELD_GET(SPECTRAL_SUMMARY_INFO0_AGC_TOTAL_GAIN,
+					   __le32_to_cpu(summary->info0));
+	report->out_of_band_flag = FIELD_GET(SPECTRAL_SUMMARY_INFO0_OB_FLAG,
+					     __le32_to_cpu(summary->info0));
+	report->grp_idx = FIELD_GET(SPECTRAL_SUMMARY_INFO0_GRP_IDX,
+				    __le32_to_cpu(summary->info0));
+	report->rf_saturation = FIELD_GET(SPECTRAL_SUMMARY_INFO0_RECENT_RFSAT,
+					  __le32_to_cpu(summary->info0));
+	report->inb_pwr_db = FIELD_GET(SPECTRAL_SUMMARY_INFO0_INBAND_PWR_DB,
+				       __le32_to_cpu(summary->info0));
+	report->false_scan = FIELD_GET(SPECTRAL_SUMMARY_INFO0_FALSE_SCAN,
+				       __le32_to_cpu(summary->info0));
+	report->detector_id = FIELD_GET(SPECTRAL_SUMMARY_INFO0_DETECTOR_ID,
+					__le32_to_cpu(summary->info0));
+	report->primary80 = FIELD_GET(SPECTRAL_SUMMARY_INFO0_PRI80,
+				      __le32_to_cpu(summary->info0));
+	report->peak_idx = FIELD_GET(SPECTRAL_SUMMARY_INFO2_PEAK_SIGNED_IDX,
+				     __le32_to_cpu(summary->info2));
+	report->peak_mag = FIELD_GET(SPECTRAL_SUMMARY_INFO2_PEAK_MAGNITUDE,
+				     __le32_to_cpu(summary->info2));
+	report->gain_change = FIELD_GET(SPECTRAL_SUMMARY_INFO2_GAIN_CHANGE,
+					__le32_to_cpu(summary->info2));
+
+	memcpy(&report->meta, meta, sizeof(*meta));
+
+	return 0;
+}
+
+static int ath11k_spectral_pull_search(struct ath11k *ar,
+				       struct spectral_search_fft_report *search,
+				       struct ath11k_spectral_search_report *report)
+{
+	report->timestamp = __le32_to_cpu(search->timestamp);
+	report->detector_id = FIELD_GET(SPECTRAL_FFT_REPORT_INFO0_DETECTOR_ID,
+					__le32_to_cpu(search->info0));
+	report->fft_count = FIELD_GET(SPECTRAL_FFT_REPORT_INFO0_FFT_NUM,
+				      __le32_to_cpu(search->info0));
+	report->radar_check = FIELD_GET(SPECTRAL_FFT_REPORT_INFO0_RADAR_CHECK,
+					__le32_to_cpu(search->info0));
+	report->peak_idx = FIELD_GET(SPECTRAL_FFT_REPORT_INFO0_PEAK_SIGNED_IDX,
+				     __le32_to_cpu(search->info0));
+	report->chain_idx = FIELD_GET(SPECTRAL_FFT_REPORT_INFO0_CHAIN_IDX,
+				      __le32_to_cpu(search->info0));
+	report->base_pwr_db = FIELD_GET(SPECTRAL_FFT_REPORT_INFO1_BASE_PWR_DB,
+					__le32_to_cpu(search->info1));
+	report->total_gain_db = FIELD_GET(SPECTRAL_FFT_REPORT_INFO1_TOTAL_GAIN_DB,
+					  __le32_to_cpu(search->info1));
+	report->strong_bin_count = FIELD_GET(SPECTRAL_FFT_REPORT_INFO2_NUM_STRONG_BINS,
+					     __le32_to_cpu(search->info2));
+	report->peak_mag = FIELD_GET(SPECTRAL_FFT_REPORT_INFO2_PEAK_MAGNITUDE,
+				     __le32_to_cpu(search->info2));
+	report->avg_pwr_db = FIELD_GET(SPECTRAL_FFT_REPORT_INFO2_AVG_PWR_DB,
+				       __le32_to_cpu(search->info2));
+	report->rel_pwr_db = FIELD_GET(SPECTRAL_FFT_REPORT_INFO2_REL_PWR_DB,
+				       __le32_to_cpu(search->info2));
+
+	return 0;
+}
+
+static u8 ath11k_spectral_get_max_exp(s8 max_index, u8 max_magnitude,
+				      int bin_len, u8 *bins)
+{
+	int dc_pos;
+	u8 max_exp;
+
+	dc_pos = bin_len / 2;
+
+	/* peak index outside of bins */
+	if (dc_pos <= max_index || -dc_pos >= max_index)
+		return 0;
+
+	for (max_exp = 0; max_exp < 8; max_exp++) {
+		if (bins[dc_pos + max_index] == (max_magnitude >> max_exp))
+			break;
+	}
+
+	/* max_exp not found */
+	if (bins[dc_pos + max_index] != (max_magnitude >> max_exp))
+		return 0;
+
+	return max_exp;
+}
+
+static void ath11k_spectral_parse_16bit_fft(u8 *outbins, u8 *inbins, int num_bins)
+{
+	int i;
+	__le16 *data = (__le16 *)inbins;
+
+	i = 0;
+	while (i < num_bins) {
+		outbins[i] = (__le16_to_cpu(data[i])) &
+			     ATH11K_SPECTRAL_SAMPLE_FFT_BIN_MASK;
+		i++;
+	}
+}
+
+static
+int ath11k_spectral_process_fft(struct ath11k *ar,
+				struct ath11k_spectral_summary_report *summary,
+				void *data,
+				struct fft_sample_ath11k *fft_sample,
+				u32 data_len)
+{
+	struct ath11k_base *ab = ar->ab;
+	struct spectral_search_fft_report *fft_report = data;
+	struct ath11k_spectral_search_report search;
+	struct spectral_tlv *tlv;
+	int tlv_len, bin_len, num_bins;
+	u16 length, freq;
+	u8 chan_width_mhz;
+	int ret;
+
+	lockdep_assert_held(&ar->spectral.lock);
+
+	tlv = (struct spectral_tlv *)data;
+	tlv_len = FIELD_GET(SPECTRAL_TLV_HDR_LEN, __le32_to_cpu(tlv->header));
+	/* convert Dword into bytes */
+	tlv_len *= ATH11K_SPECTRAL_DWORD_SIZE;
+	bin_len = tlv_len - (sizeof(*fft_report) - sizeof(*tlv));
+
+	if (data_len < (bin_len + sizeof(*fft_report))) {
+		ath11k_warn(ab, "mismatch in expected bin len %d and data len %d\n",
+			    bin_len, data_len);
+		return -EINVAL;
+	}
+
+	num_bins = bin_len / ATH11K_SPECTRAL_BIN_SIZE;
+	/* Only In-band bins are useful to user for visualize */
+	num_bins >>= 1;
+
+	if (num_bins < ATH11K_SPECTRAL_ATH11K_MIN_IB_BINS ||
+	    num_bins > ATH11K_SPECTRAL_ATH11K_MAX_IB_BINS ||
+	    !is_power_of_2(num_bins)) {
+		ath11k_warn(ab, "Invalid num of bins %d\n", num_bins);
+		return -EINVAL;
+	}
+
+	ret = ath11k_spectral_pull_search(ar, data, &search);
+	if (ret) {
+		ath11k_warn(ab, "failed to pull search report %d\n", ret);
+		return ret;
+	}
+
+	chan_width_mhz = summary->meta.ch_width;
+
+	switch (chan_width_mhz) {
+	case ATH11K_SPECTRAL_20MHZ:
+	case ATH11K_SPECTRAL_40MHZ:
+	case ATH11K_SPECTRAL_80MHZ:
+		fft_sample->chan_width_mhz = chan_width_mhz;
+		break;
+	default:
+		ath11k_warn(ab, "invalid channel width %d\n", chan_width_mhz);
+		return -EINVAL;
+	}
+
+	length = sizeof(*fft_sample) - sizeof(struct fft_sample_tlv) + num_bins;
+	fft_sample->tlv.type = ATH_FFT_SAMPLE_ATH11K;
+	fft_sample->tlv.length = __cpu_to_be16(length);
+
+	fft_sample->tsf = __cpu_to_be32(search.timestamp);
+	fft_sample->max_magnitude = __cpu_to_be16(search.peak_mag);
+	fft_sample->max_index = FIELD_GET(SPECTRAL_FFT_REPORT_INFO0_PEAK_SIGNED_IDX,
+					  __le32_to_cpu(fft_report->info0));
+
+	summary->inb_pwr_db >>= 1;
+	fft_sample->rssi = __cpu_to_be16(summary->inb_pwr_db);
+	fft_sample->noise = __cpu_to_be32(summary->meta.noise_floor[search.chain_idx]);
+
+	freq = summary->meta.freq1;
+	fft_sample->freq1 = __cpu_to_be16(freq);
+
+	freq = summary->meta.freq2;
+	fft_sample->freq2 = __cpu_to_be16(freq);
+
+	ath11k_spectral_parse_16bit_fft(fft_sample->data,
+					fft_report->bins,
+					num_bins);
+
+	fft_sample->max_exp = ath11k_spectral_get_max_exp(fft_sample->max_index,
+							  search.peak_mag,
+							  num_bins,
+							  fft_sample->data);
+
+	if (ar->spectral.rfs_scan)
+		relay_write(ar->spectral.rfs_scan, fft_sample,
+			    length + sizeof(struct fft_sample_tlv));
+
+	return 0;
+}
+
+static int ath11k_spectral_process_data(struct ath11k *ar,
+					struct ath11k_dbring_data *param)
+{
+	struct ath11k_base *ab = ar->ab;
+	struct spectral_tlv *tlv;
+	struct spectral_summary_fft_report *summary = NULL;
+	struct ath11k_spectral_summary_report summ_rpt;
+	struct fft_sample_ath11k *fft_sample = NULL;
+	u8 *data;
+	u32 data_len, i;
+	u8 sign, tag;
+	int tlv_len, sample_sz;
+	int ret;
+	bool quit = false;
+
+	spin_lock_bh(&ar->spectral.lock);
+
+	if (!ar->spectral.enabled) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	sample_sz = sizeof(*fft_sample) + ATH11K_SPECTRAL_ATH11K_MAX_IB_BINS;
+	fft_sample = kmalloc(sample_sz, GFP_ATOMIC);
+	if (!fft_sample) {
+		ret = -ENOBUFS;
+		goto unlock;
+	}
+
+	data = param->data;
+	data_len = param->data_sz;
+	i = 0;
+	while (!quit && (i < data_len)) {
+		if ((i + sizeof(*tlv)) > data_len) {
+			ath11k_warn(ab, "failed to parse spectral tlv hdr at bytes %d\n",
+				    i);
+			ret = -EINVAL;
+			goto err;
+		}
+
+		tlv = (struct spectral_tlv *)&data[i];
+		sign = FIELD_GET(SPECTRAL_TLV_HDR_SIGN,
+				 __le32_to_cpu(tlv->header));
+		if (sign != ATH11K_SPECTRAL_SIGNATURE) {
+			ath11k_warn(ab, "Invalid sign 0x%x at bytes %d\n",
+				    sign, i);
+			ret = -EINVAL;
+			goto err;
+		}
+
+		tlv_len = FIELD_GET(SPECTRAL_TLV_HDR_LEN,
+				    __le32_to_cpu(tlv->header));
+		/* convert Dword into bytes */
+		tlv_len *= ATH11K_SPECTRAL_DWORD_SIZE;
+		if ((i + sizeof(*tlv) + tlv_len) > data_len) {
+			ath11k_warn(ab, "failed to parse spectral tlv payload at bytes %d tlv_len:%d data_len:%d\n",
+				    i, tlv_len, data_len);
+			ret = -EINVAL;
+			goto err;
+		}
+
+		tag = FIELD_GET(SPECTRAL_TLV_HDR_TAG,
+				__le32_to_cpu(tlv->header));
+		switch (tag) {
+		case ATH11K_SPECTRAL_TAG_SCAN_SUMMARY:
+			/* HW bug in tlv length of summary report,
+			 * HW report 3 DWORD size but the data payload
+			 * is 4 DWORD size (16 bytes).
+			 * Need to remove this workaround once HW bug fixed
+			 */
+			tlv_len = sizeof(*summary) - sizeof(*tlv);
+
+			if (tlv_len < (sizeof(*summary) - sizeof(*tlv))) {
+				ath11k_warn(ab, "failed to parse spectral summary at bytes %d tlv_len:%d\n",
+					    i, tlv_len);
+				ret = -EINVAL;
+				goto err;
+			}
+
+			summary = (struct spectral_summary_fft_report *)tlv;
+			ath11k_spectral_pull_summary(ar, &param->meta,
+						     summary, &summ_rpt);
+			break;
+		case ATH11K_SPECTRAL_TAG_SCAN_SEARCH:
+			if (tlv_len < (sizeof(struct spectral_search_fft_report) -
+				       sizeof(*tlv))) {
+				ath11k_warn(ab, "failed to parse spectral search fft at bytes %d\n",
+					    i);
+				ret = -EINVAL;
+				goto err;
+			}
+
+			memset(fft_sample, 0, sample_sz);
+			ret = ath11k_spectral_process_fft(ar, &summ_rpt, tlv,
+							  fft_sample,
+							  data_len - i);
+			if (ret) {
+				ath11k_warn(ab, "failed to process spectral fft at bytes %d\n",
+					    i);
+				goto err;
+			}
+			quit = true;
+			break;
+		}
+
+		i += sizeof(*tlv) + tlv_len;
+	}
+
+err:
+	kfree(fft_sample);
+unlock:
+	spin_unlock_bh(&ar->spectral.lock);
+	return ret;
+}
+
+static int ath11k_spectral_ring_alloc(struct ath11k *ar,
+				      struct ath11k_dbring_cap *db_cap)
+{
+	struct ath11k_spectral *sp = &ar->spectral;
+	int ret;
+
+	ret = ath11k_dbring_srng_setup(ar, &sp->rx_ring,
+				       0, db_cap->min_elem);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to setup db ring\n");
+		return ret;
+	}
+
+	ath11k_dbring_set_cfg(ar, &sp->rx_ring,
+			      ATH11K_SPECTRAL_NUM_RESP_PER_EVENT,
+			      ATH11K_SPECTRAL_EVENT_TIMEOUT_MS,
+			      ath11k_spectral_process_data);
+
+	ret = ath11k_dbring_buf_setup(ar, &sp->rx_ring, db_cap);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to setup db ring buffer\n");
+		goto srng_cleanup;
+	}
+
+	ret = ath11k_dbring_wmi_cfg_setup(ar, &sp->rx_ring,
+					  WMI_DIRECT_BUF_SPECTRAL);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to setup db ring cfg\n");
+		goto buffer_cleanup;
+	}
+
+	return 0;
+
+buffer_cleanup:
+	ath11k_dbring_buf_cleanup(ar, &sp->rx_ring);
+srng_cleanup:
+	ath11k_dbring_srng_cleanup(ar, &sp->rx_ring);
+	return ret;
+}
+
+static inline void ath11k_spectral_ring_free(struct ath11k *ar)
+{
+	struct ath11k_spectral *sp = &ar->spectral;
+
+	if (!sp->enabled)
+		return;
+
+	ath11k_dbring_srng_cleanup(ar, &sp->rx_ring);
+	ath11k_dbring_buf_cleanup(ar, &sp->rx_ring);
+}
+
+static inline void ath11k_spectral_debug_unregister(struct ath11k *ar)
+{
+	debugfs_remove(ar->spectral.scan_bins);
+	ar->spectral.scan_bins = NULL;
+
+	debugfs_remove(ar->spectral.scan_count);
+	ar->spectral.scan_count = NULL;
+
+	debugfs_remove(ar->spectral.scan_ctl);
+	ar->spectral.scan_ctl = NULL;
+
+	if (ar->spectral.rfs_scan) {
+		relay_close(ar->spectral.rfs_scan);
+		ar->spectral.rfs_scan = NULL;
+	}
+}
+
+int ath11k_spectral_vif_stop(struct ath11k_vif *arvif)
+{
+	if (!arvif->spectral_enabled)
+		return 0;
+
+	return ath11k_spectral_scan_config(arvif->ar, ATH11K_SPECTRAL_DISABLED);
+}
+
+void ath11k_spectral_reset_buffer(struct ath11k *ar)
+{
+	if (!ar->spectral.enabled)
+		return;
+
+	if (ar->spectral.rfs_scan)
+		relay_reset(ar->spectral.rfs_scan);
+}
+
+void ath11k_spectral_deinit(struct ath11k_base *ab)
+{
+	struct ath11k *ar;
+	struct ath11k_spectral *sp;
+	int i;
+
+	for (i = 0; i <  ab->num_radios; i++) {
+		ar = ab->pdevs[i].ar;
+		sp = &ar->spectral;
+
+		if (!sp->enabled)
+			continue;
+
+		ath11k_spectral_debug_unregister(ar);
+		ath11k_spectral_ring_free(ar);
+
+		spin_lock_bh(&sp->lock);
+
+		sp->mode = ATH11K_SPECTRAL_DISABLED;
+		sp->enabled = false;
+
+		spin_unlock_bh(&sp->lock);
+	}
+}
+
+static inline int ath11k_spectral_debug_register(struct ath11k *ar)
+{
+	int ret;
+
+	ar->spectral.rfs_scan = relay_open("spectral_scan",
+					   ar->debug.debugfs_pdev,
+					   ATH11K_SPECTRAL_SUB_BUFF_SIZE,
+					   ATH11K_SPECTRAL_NUM_SUB_BUF,
+					   &rfs_scan_cb, NULL);
+	if (!ar->spectral.rfs_scan) {
+		ath11k_warn(ar->ab, "failed to open relay in pdev %d\n",
+			    ar->pdev_idx);
+		return -EINVAL;
+	}
+
+	ar->spectral.scan_ctl = debugfs_create_file("spectral_scan_ctl",
+						    0600,
+						    ar->debug.debugfs_pdev, ar,
+						    &fops_scan_ctl);
+	if (!ar->spectral.scan_ctl) {
+		ath11k_warn(ar->ab, "failed to open debugfs in pdev %d\n",
+			    ar->pdev_idx);
+		ret = -EINVAL;
+		goto debug_unregister;
+	}
+
+	ar->spectral.scan_count = debugfs_create_file("spectral_count",
+						      0600,
+						      ar->debug.debugfs_pdev, ar,
+						      &fops_scan_count);
+	if (!ar->spectral.scan_count) {
+		ath11k_warn(ar->ab, "failed to open debugfs in pdev %d\n",
+			    ar->pdev_idx);
+		ret = -EINVAL;
+		goto debug_unregister;
+	}
+
+	ar->spectral.scan_bins = debugfs_create_file("spectral_bins",
+						     0600,
+						     ar->debug.debugfs_pdev, ar,
+						     &fops_scan_bins);
+	if (!ar->spectral.scan_bins) {
+		ath11k_warn(ar->ab, "failed to open debugfs in pdev %d\n",
+			    ar->pdev_idx);
+		ret = -EINVAL;
+		goto debug_unregister;
+	}
+
+	return 0;
+
+debug_unregister:
+	ath11k_spectral_debug_unregister(ar);
+	return ret;
+}
+
+int ath11k_spectral_init(struct ath11k_base *ab)
+{
+	struct ath11k *ar;
+	struct ath11k_spectral *sp;
+	struct ath11k_dbring_cap db_cap;
+	int ret;
+	int i;
+
+	if (!test_bit(WMI_TLV_SERVICE_FREQINFO_IN_METADATA,
+		      ab->wmi_ab.svc_map)) {
+		ath11k_info(ab, "spectral not supported\n");
+		return 0;
+	}
+
+	for (i = 0; i < ab->num_radios; i++) {
+		ar = ab->pdevs[i].ar;
+		sp = &ar->spectral;
+
+		ret = ath11k_dbring_get_cap(ar->ab, ar->pdev_idx,
+					    WMI_DIRECT_BUF_SPECTRAL,
+					    &db_cap);
+		if (ret) {
+			ath11k_info(ab, "spectral not enabled for pdev %d\n", i);
+			continue;
+		}
+
+		idr_init(&sp->rx_ring.bufs_idr);
+		spin_lock_init(&sp->rx_ring.idr_lock);
+		spin_lock_init(&sp->lock);
+
+		ret = ath11k_spectral_ring_alloc(ar, &db_cap);
+		if (ret) {
+			ath11k_warn(ab, "failed to init spectral ring for pdev %d\n",
+				    i);
+			goto deinit;
+		}
+
+		spin_lock_bh(&sp->lock);
+
+		sp->mode = ATH11K_SPECTRAL_DISABLED;
+		sp->count = ATH11K_WMI_SPECTRAL_COUNT_DEFAULT;
+		sp->fft_size = ATH11K_WMI_SPECTRAL_FFT_SIZE_DEFAULT;
+		sp->enabled = true;
+
+		spin_unlock_bh(&sp->lock);
+
+		ret = ath11k_spectral_debug_register(ar);
+		if (ret) {
+			ath11k_warn(ab, "failed to register spectral for pdev %d\n",
+				    i);
+			goto deinit;
+		}
+	}
+
+	return 0;
+
+deinit:
+	ath11k_spectral_deinit(ab);
+	return ret;
+}
+
+enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar)
+{
+	if (ar->spectral.enabled)
+		return ar->spectral.mode;
+	else
+		return ATH11K_SPECTRAL_DISABLED;
+}
+
+struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar)
+{
+	if (ar->spectral.enabled)
+		return &ar->spectral.rx_ring;
+	else
+		return NULL;
+}

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

+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef ATH11K_SPECTRAL_H
+#define ATH11K_SPECTRAL_H
+
+#include "../spectral_common.h"
+#include "dbring.h"
+
+/* enum ath11k_spectral_mode:
+ *
+ * @SPECTRAL_DISABLED: spectral mode is disabled
+ * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with
+ *	something else.
+ * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples
+ *	is performed manually.
+ */
+enum ath11k_spectral_mode {
+	ATH11K_SPECTRAL_DISABLED = 0,
+	ATH11K_SPECTRAL_BACKGROUND,
+	ATH11K_SPECTRAL_MANUAL,
+};
+
+struct ath11k_spectral {
+	struct ath11k_dbring rx_ring;
+	/* Protects enabled */
+	spinlock_t lock;
+	struct rchan *rfs_scan;	/* relay(fs) channel for spectral scan */
+	struct dentry *scan_ctl;
+	struct dentry *scan_count;
+	struct dentry *scan_bins;
+	enum ath11k_spectral_mode mode;
+	u16 count;
+	u8 fft_size;
+	bool enabled;
+};
+
+#ifdef CONFIG_ATH11K_SPECTRAL
+
+int ath11k_spectral_init(struct ath11k_base *ab);
+void ath11k_spectral_deinit(struct ath11k_base *ab);
+int ath11k_spectral_vif_stop(struct ath11k_vif *arvif);
+void ath11k_spectral_reset_buffer(struct ath11k *ar);
+enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar);
+struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar);
+
+#else
+
+static inline int ath11k_spectral_init(struct ath11k_base *ab)
+{
+	return 0;
+}
+
+static inline void ath11k_spectral_deinit(struct ath11k_base *ab)
+{
+}
+
+static inline int ath11k_spectral_vif_stop(struct ath11k_vif *arvif)
+{
+	return 0;
+}
+
+static inline void ath11k_spectral_reset_buffer(struct ath11k *ar)
+{
+}
+
+static inline
+enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar)
+{
+	return ATH11K_SPECTRAL_DISABLED;
+}
+
+static inline
+struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar)
+{
+	return NULL;
+}
+
+#endif /* CONFIG_ATH11K_SPECTRAL */
+#endif /* ATH11K_SPECTRAL_H */

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

@@ -27,6 +27,11 @@ struct wmi_tlv_svc_ready_parse {
 	bool wmi_svc_bitmap_done;
 };
 
+struct wmi_tlv_dma_ring_caps_parse {
+	struct wmi_dma_ring_capabilities *dma_ring_caps;
+	u32 n_dma_ring_caps;
+};
+
 struct wmi_tlv_svc_rdy_ext_parse {
 	struct ath11k_service_ext_param param;
 	struct wmi_soc_mac_phy_hw_mode_caps *hw_caps;
@@ -39,15 +44,35 @@ struct wmi_tlv_svc_rdy_ext_parse {
 	struct wmi_soc_hal_reg_capabilities *soc_hal_reg_caps;
 	struct wmi_hal_reg_capabilities_ext *ext_hal_reg_caps;
 	u32 n_ext_hal_reg_caps;
+	struct wmi_tlv_dma_ring_caps_parse dma_caps_parse;
 	bool hw_mode_done;
 	bool mac_phy_done;
 	bool ext_hal_reg_done;
+	bool mac_phy_chainmask_combo_done;
+	bool mac_phy_chainmask_cap_done;
+	bool oem_dma_ring_cap_done;
+	bool dma_ring_cap_done;
+};
+
+struct wmi_tlv_svc_rdy_ext2_parse {
+	struct wmi_tlv_dma_ring_caps_parse dma_caps_parse;
+	bool dma_ring_cap_done;
 };
 
 struct wmi_tlv_rdy_parse {
 	u32 num_extra_mac_addr;
 };
 
+struct wmi_tlv_dma_buf_release_parse {
+	struct ath11k_wmi_dma_buf_release_fixed_param fixed;
+	struct wmi_dma_buf_release_entry *buf_entry;
+	struct wmi_dma_buf_release_meta_data *meta_data;
+	u32 num_buf_entry;
+	u32 num_meta;
+	bool buf_entry_done;
+	bool meta_data_done;
+};
+
 static const struct wmi_tlv_policy wmi_tlv_policies[] = {
 	[WMI_TAG_ARRAY_BYTE]
 		= { .min_len = 0 },
@@ -368,6 +393,17 @@ ath11k_pull_mac_phy_cap_svc_ready_ext(struct ath11k_pdev_wmi *wmi_handle,
 	memcpy(&cap_band->he_ppet, &mac_phy_caps->he_ppet5g,
 	       sizeof(struct ath11k_ppe_threshold));
 
+	cap_band = &pdev_cap->band[NL80211_BAND_6GHZ];
+	cap_band->max_bw_supported = mac_phy_caps->max_bw_supported_5g;
+	cap_band->ht_cap_info = mac_phy_caps->ht_cap_info_5g;
+	cap_band->he_cap_info[0] = mac_phy_caps->he_cap_info_5g;
+	cap_band->he_cap_info[1] = mac_phy_caps->he_cap_info_5g_ext;
+	cap_band->he_mcs = mac_phy_caps->he_supp_mcs_5g;
+	memcpy(cap_band->he_cap_phy_info, &mac_phy_caps->he_cap_phy_info_5g,
+	       sizeof(u32) * PSOC_HOST_MAX_PHY_SIZE);
+	memcpy(&cap_band->he_ppet, &mac_phy_caps->he_ppet5g,
+	       sizeof(struct ath11k_ppe_threshold));
+
 	return 0;
 }
 
@@ -1692,10 +1728,10 @@ ath11k_wmi_copy_peer_flags(struct wmi_peer_assoc_complete_cmd *cmd,
 	 */
 	if (param->auth_flag)
 		cmd->peer_flags |= WMI_PEER_AUTH;
-	if (param->need_ptk_4_way)
+	if (param->need_ptk_4_way) {
 		cmd->peer_flags |= WMI_PEER_NEED_PTK_4_WAY;
-	else
-		cmd->peer_flags &= ~WMI_PEER_NEED_PTK_4_WAY;
+		cmd->peer_flags &= ~WMI_PEER_AUTH;
+	}
 	if (param->need_gtk_2_way)
 		cmd->peer_flags |= WMI_PEER_NEED_GTK_2_WAY;
 	/* safe mode bypass the 4-way handshake */
@@ -1778,6 +1814,7 @@ int ath11k_wmi_send_peer_assoc_cmd(struct ath11k *ar,
 	cmd->peer_he_cap_info = param->peer_he_cap_macinfo[0];
 	cmd->peer_he_cap_info_ext = param->peer_he_cap_macinfo[1];
 	cmd->peer_he_cap_info_internal = param->peer_he_cap_macinfo_internal;
+	cmd->peer_he_caps_6ghz = param->peer_he_caps_6ghz;
 	cmd->peer_he_ops = param->peer_he_ops;
 	memcpy(&cmd->peer_he_cap_phy, &param->peer_he_cap_phyinfo,
 	       sizeof(param->peer_he_cap_phyinfo));
@@ -1831,6 +1868,7 @@ int ath11k_wmi_send_peer_assoc_cmd(struct ath11k *ar,
 
 	/* HE Rates */
 	cmd->peer_he_mcs = param->peer_he_mcs_count;
+	cmd->min_data_rate = param->min_data_rate;
 
 	ptr += sizeof(*mcs);
 
@@ -1886,6 +1924,8 @@ void ath11k_wmi_start_scan_init(struct ath11k *ar,
 	arg->dwell_time_active = 50;
 	arg->dwell_time_active_2g = 0;
 	arg->dwell_time_passive = 150;
+	arg->dwell_time_active_6g = 40;
+	arg->dwell_time_passive_6g = 30;
 	arg->min_rest_time = 50;
 	arg->max_rest_time = 500;
 	arg->repeat_probe_time = 0;
@@ -1990,6 +2030,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 	int i, ret, len;
 	u32 *tmp_ptr;
 	u8 extraie_len_with_pad = 0;
+	struct hint_short_ssid *s_ssid = NULL;
+	struct hint_bssid *hint_bssid = NULL;
 
 	len = sizeof(*cmd);
 
@@ -2011,6 +2053,14 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 			roundup(params->extraie.len, sizeof(u32));
 	len += extraie_len_with_pad;
 
+	if (params->num_hint_bssid)
+		len += TLV_HDR_SIZE +
+		       params->num_hint_bssid * sizeof(struct hint_bssid);
+
+	if (params->num_hint_s_ssid)
+		len += TLV_HDR_SIZE +
+		       params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+
 	skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
 	if (!skb)
 		return -ENOMEM;
@@ -2032,6 +2082,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 	cmd->dwell_time_active = params->dwell_time_active;
 	cmd->dwell_time_active_2g = params->dwell_time_active_2g;
 	cmd->dwell_time_passive = params->dwell_time_passive;
+	cmd->dwell_time_active_6g = params->dwell_time_active_6g;
+	cmd->dwell_time_passive_6g = params->dwell_time_passive_6g;
 	cmd->min_rest_time = params->min_rest_time;
 	cmd->max_rest_time = params->max_rest_time;
 	cmd->repeat_probe_time = params->repeat_probe_time;
@@ -2109,6 +2161,68 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 
 	ptr += extraie_len_with_pad;
 
+	if (params->num_hint_s_ssid) {
+		len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+		tlv = ptr;
+		tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+			      FIELD_PREP(WMI_TLV_LEN, len);
+		ptr += TLV_HDR_SIZE;
+		s_ssid = ptr;
+		for (i = 0; i < params->num_hint_s_ssid; ++i) {
+			s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
+			s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
+			s_ssid++;
+		}
+		ptr += len;
+	}
+
+	if (params->num_hint_bssid) {
+		len = params->num_hint_bssid * sizeof(struct hint_bssid);
+		tlv = ptr;
+		tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+			      FIELD_PREP(WMI_TLV_LEN, len);
+		ptr += TLV_HDR_SIZE;
+		hint_bssid = ptr;
+		for (i = 0; i < params->num_hint_bssid; ++i) {
+			hint_bssid->freq_flags =
+				params->hint_bssid[i].freq_flags;
+			ether_addr_copy(&params->hint_bssid[i].bssid.addr[0],
+					&hint_bssid->bssid.addr[0]);
+			hint_bssid++;
+		}
+	}
+
+	len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+	tlv = ptr;
+	tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+		      FIELD_PREP(WMI_TLV_LEN, len);
+	ptr += TLV_HDR_SIZE;
+	if (params->num_hint_s_ssid) {
+		s_ssid = ptr;
+		for (i = 0; i < params->num_hint_s_ssid; ++i) {
+			s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
+			s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
+			s_ssid++;
+		}
+	}
+	ptr += len;
+
+	len = params->num_hint_bssid * sizeof(struct hint_bssid);
+	tlv = ptr;
+	tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+		      FIELD_PREP(WMI_TLV_LEN, len);
+	ptr += TLV_HDR_SIZE;
+	if (params->num_hint_bssid) {
+		hint_bssid = ptr;
+		for (i = 0; i < params->num_hint_bssid; ++i) {
+			hint_bssid->freq_flags =
+				params->hint_bssid[i].freq_flags;
+			ether_addr_copy(&params->hint_bssid[i].bssid.addr[0],
+					&hint_bssid->bssid.addr[0]);
+			hint_bssid++;
+		}
+	}
+
 	ret = ath11k_wmi_cmd_send(wmi, skb,
 				  WMI_START_SCAN_CMDID);
 	if (ret) {
@@ -2178,91 +2292,110 @@ int ath11k_wmi_send_scan_chan_list_cmd(struct ath11k *ar,
 	struct wmi_tlv *tlv;
 	void *ptr;
 	int i, ret, len;
+	u16 num_send_chans, num_sends = 0, max_chan_limit = 0;
 	u32 *reg1, *reg2;
 
-	len = sizeof(*cmd) + TLV_HDR_SIZE +
-		 sizeof(*chan_info) * chan_list->nallchans;
+	tchan_info = &chan_list->ch_param[0];
+	while (chan_list->nallchans) {
+		len = sizeof(*cmd) + TLV_HDR_SIZE;
+		max_chan_limit = (wmi->wmi_ab->max_msg_len[ar->pdev_idx] - len) /
+			sizeof(*chan_info);
 
-	skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
-	if (!skb)
-		return -ENOMEM;
+		if (chan_list->nallchans > max_chan_limit)
+			num_send_chans = max_chan_limit;
+		else
+			num_send_chans = chan_list->nallchans;
 
-	cmd = (struct wmi_scan_chan_list_cmd *)skb->data;
-	cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_SCAN_CHAN_LIST_CMD) |
-			  FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+		chan_list->nallchans -= num_send_chans;
+		len += sizeof(*chan_info) * num_send_chans;
 
-	ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
-		   "WMI no.of chan = %d len = %d\n", chan_list->nallchans, len);
-	cmd->pdev_id = chan_list->pdev_id;
-	cmd->num_scan_chans = chan_list->nallchans;
-
-	ptr = skb->data + sizeof(*cmd);
+		skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
+		if (!skb)
+			return -ENOMEM;
 
-	len = sizeof(*chan_info) * chan_list->nallchans;
-	tlv = ptr;
-	tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) |
-		      FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE);
-	ptr += TLV_HDR_SIZE;
+		cmd = (struct wmi_scan_chan_list_cmd *)skb->data;
+		cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_SCAN_CHAN_LIST_CMD) |
+			FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+		cmd->pdev_id = chan_list->pdev_id;
+		cmd->num_scan_chans = num_send_chans;
+		if (num_sends)
+			cmd->flags |= WMI_APPEND_TO_EXISTING_CHAN_LIST_FLAG;
 
-	tchan_info = &chan_list->ch_param[0];
+		ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+			   "WMI no.of chan = %d len = %d pdev_id = %d num_sends = %d\n",
+			   num_send_chans, len, cmd->pdev_id, num_sends);
 
-	for (i = 0; i < chan_list->nallchans; ++i) {
-		chan_info = ptr;
-		memset(chan_info, 0, sizeof(*chan_info));
-		len = sizeof(*chan_info);
-		chan_info->tlv_header = FIELD_PREP(WMI_TLV_TAG,
-						   WMI_TAG_CHANNEL) |
-					FIELD_PREP(WMI_TLV_LEN,
-						   len - TLV_HDR_SIZE);
-
-		reg1 = &chan_info->reg_info_1;
-		reg2 = &chan_info->reg_info_2;
-		chan_info->mhz = tchan_info->mhz;
-		chan_info->band_center_freq1 = tchan_info->cfreq1;
-		chan_info->band_center_freq2 = tchan_info->cfreq2;
-
-		if (tchan_info->is_chan_passive)
-			chan_info->info |= WMI_CHAN_INFO_PASSIVE;
-		if (tchan_info->allow_he)
-			chan_info->info |= WMI_CHAN_INFO_ALLOW_HE;
-		else if (tchan_info->allow_vht)
-			chan_info->info |= WMI_CHAN_INFO_ALLOW_VHT;
-		else if (tchan_info->allow_ht)
-			chan_info->info |= WMI_CHAN_INFO_ALLOW_HT;
-		if (tchan_info->half_rate)
-			chan_info->info |= WMI_CHAN_INFO_HALF_RATE;
-		if (tchan_info->quarter_rate)
-			chan_info->info |= WMI_CHAN_INFO_QUARTER_RATE;
-
-		chan_info->info |= FIELD_PREP(WMI_CHAN_INFO_MODE,
-					      tchan_info->phy_mode);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MIN_PWR,
-				    tchan_info->minpower);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_PWR,
-				    tchan_info->maxpower);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_REG_PWR,
-				    tchan_info->maxregpower);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_REG_CLS,
-				    tchan_info->reg_class_id);
-		*reg2 |= FIELD_PREP(WMI_CHAN_REG_INFO2_ANT_MAX,
-				    tchan_info->antennamax);
+		ptr = skb->data + sizeof(*cmd);
 
-		ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
-			   "WMI chan scan list chan[%d] = %u\n",
-			   i, chan_info->mhz);
+		len = sizeof(*chan_info) * num_send_chans;
+		tlv = ptr;
+		tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) |
+			      FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE);
+		ptr += TLV_HDR_SIZE;
 
-		ptr += sizeof(*chan_info);
+		for (i = 0; i < num_send_chans; ++i) {
+			chan_info = ptr;
+			memset(chan_info, 0, sizeof(*chan_info));
+			len = sizeof(*chan_info);
+			chan_info->tlv_header = FIELD_PREP(WMI_TLV_TAG,
+							   WMI_TAG_CHANNEL) |
+						FIELD_PREP(WMI_TLV_LEN,
+							   len - TLV_HDR_SIZE);
+
+			reg1 = &chan_info->reg_info_1;
+			reg2 = &chan_info->reg_info_2;
+			chan_info->mhz = tchan_info->mhz;
+			chan_info->band_center_freq1 = tchan_info->cfreq1;
+			chan_info->band_center_freq2 = tchan_info->cfreq2;
+
+			if (tchan_info->is_chan_passive)
+				chan_info->info |= WMI_CHAN_INFO_PASSIVE;
+			if (tchan_info->allow_he)
+				chan_info->info |= WMI_CHAN_INFO_ALLOW_HE;
+			else if (tchan_info->allow_vht)
+				chan_info->info |= WMI_CHAN_INFO_ALLOW_VHT;
+			else if (tchan_info->allow_ht)
+				chan_info->info |= WMI_CHAN_INFO_ALLOW_HT;
+			if (tchan_info->half_rate)
+				chan_info->info |= WMI_CHAN_INFO_HALF_RATE;
+			if (tchan_info->quarter_rate)
+				chan_info->info |= WMI_CHAN_INFO_QUARTER_RATE;
+			if (tchan_info->psc_channel)
+				chan_info->info |= WMI_CHAN_INFO_PSC;
+
+			chan_info->info |= FIELD_PREP(WMI_CHAN_INFO_MODE,
+						      tchan_info->phy_mode);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MIN_PWR,
+					    tchan_info->minpower);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_PWR,
+					    tchan_info->maxpower);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_REG_PWR,
+					    tchan_info->maxregpower);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_REG_CLS,
+					    tchan_info->reg_class_id);
+			*reg2 |= FIELD_PREP(WMI_CHAN_REG_INFO2_ANT_MAX,
+					    tchan_info->antennamax);
+
+			ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+				   "WMI chan scan list chan[%d] = %u, chan_info->info %8x\n",
+				   i, chan_info->mhz, chan_info->info);
+
+			ptr += sizeof(*chan_info);
+
+			tchan_info++;
+		}
 
-		tchan_info++;
-	}
+		ret = ath11k_wmi_cmd_send(wmi, skb, WMI_SCAN_CHAN_LIST_CMDID);
+		if (ret) {
+			ath11k_warn(ar->ab, "failed to send WMI_SCAN_CHAN_LIST cmd\n");
+			dev_kfree_skb(skb);
+			return ret;
+		}
 
-	ret = ath11k_wmi_cmd_send(wmi, skb, WMI_SCAN_CHAN_LIST_CMDID);
-	if (ret) {
-		ath11k_warn(ar->ab, "failed to send WMI_SCAN_CHAN_LIST cmd\n");
-		dev_kfree_skb(skb);
+		num_sends++;
 	}
 
-	return ret;
+	return 0;
 }
 
 int ath11k_wmi_send_wmm_update_cmd_tlv(struct ath11k *ar, u32 vdev_id,
@@ -3265,6 +3398,236 @@ int ath11k_wmi_cmd_init(struct ath11k_base *ab)
 	return ath11k_init_cmd_send(&wmi_sc->wmi[0], &init_param);
 }
 
+int ath11k_wmi_vdev_spectral_conf(struct ath11k *ar,
+				  struct ath11k_wmi_vdev_spectral_conf_param *param)
+{
+	struct ath11k_wmi_vdev_spectral_conf_cmd *cmd;
+	struct sk_buff *skb;
+	int ret;
+
+	skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, sizeof(*cmd));
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct ath11k_wmi_vdev_spectral_conf_cmd *)skb->data;
+	cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG,
+				     WMI_TAG_VDEV_SPECTRAL_CONFIGURE_CMD) |
+			  FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+
+	memcpy(&cmd->param, param, sizeof(*param));
+
+	ret = ath11k_wmi_cmd_send(ar->wmi, skb,
+				  WMI_VDEV_SPECTRAL_SCAN_CONFIGURE_CMDID);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to send spectral scan config wmi cmd\n");
+		goto err;
+	}
+
+	ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+		   "WMI spectral scan config cmd vdev_id 0x%x\n",
+		   param->vdev_id);
+
+	return 0;
+err:
+	dev_kfree_skb(skb);
+	return ret;
+}
+
+int ath11k_wmi_vdev_spectral_enable(struct ath11k *ar, u32 vdev_id,
+				    u32 trigger, u32 enable)
+{
+	struct ath11k_wmi_vdev_spectral_enable_cmd *cmd;
+	struct sk_buff *skb;
+	int ret;
+
+	skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, sizeof(*cmd));
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct ath11k_wmi_vdev_spectral_enable_cmd *)skb->data;
+	cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG,
+				     WMI_TAG_VDEV_SPECTRAL_ENABLE_CMD) |
+			  FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+
+	cmd->vdev_id = vdev_id;
+	cmd->trigger_cmd = trigger;
+	cmd->enable_cmd = enable;
+
+	ret = ath11k_wmi_cmd_send(ar->wmi, skb,
+				  WMI_VDEV_SPECTRAL_SCAN_ENABLE_CMDID);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to send spectral enable wmi cmd\n");
+		goto err;
+	}
+
+	ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+		   "WMI spectral enable cmd vdev id 0x%x\n",
+		   vdev_id);
+
+	return 0;
+err:
+	dev_kfree_skb(skb);
+	return ret;
+}
+
+int ath11k_wmi_pdev_dma_ring_cfg(struct ath11k *ar,
+				 struct ath11k_wmi_pdev_dma_ring_cfg_req_cmd *param)
+{
+	struct ath11k_wmi_pdev_dma_ring_cfg_req_cmd *cmd;
+	struct sk_buff *skb;
+	int ret;
+
+	skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, sizeof(*cmd));
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct ath11k_wmi_pdev_dma_ring_cfg_req_cmd *)skb->data;
+	cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_DMA_RING_CFG_REQ) |
+			  FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+
+	cmd->pdev_id		= param->pdev_id;
+	cmd->module_id		= param->module_id;
+	cmd->base_paddr_lo	= param->base_paddr_lo;
+	cmd->base_paddr_hi	= param->base_paddr_hi;
+	cmd->head_idx_paddr_lo	= param->head_idx_paddr_lo;
+	cmd->head_idx_paddr_hi	= param->head_idx_paddr_hi;
+	cmd->tail_idx_paddr_lo	= param->tail_idx_paddr_lo;
+	cmd->tail_idx_paddr_hi	= param->tail_idx_paddr_hi;
+	cmd->num_elems		= param->num_elems;
+	cmd->buf_size		= param->buf_size;
+	cmd->num_resp_per_event	= param->num_resp_per_event;
+	cmd->event_timeout_ms	= param->event_timeout_ms;
+
+	ret = ath11k_wmi_cmd_send(ar->wmi, skb,
+				  WMI_PDEV_DMA_RING_CFG_REQ_CMDID);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to send dma ring cfg req wmi cmd\n");
+		goto err;
+	}
+
+	ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+		   "WMI DMA ring cfg req cmd pdev_id 0x%x\n",
+		   param->pdev_id);
+
+	return 0;
+err:
+	dev_kfree_skb(skb);
+	return ret;
+}
+
+static int ath11k_wmi_tlv_dma_buf_entry_parse(struct ath11k_base *soc,
+					      u16 tag, u16 len,
+					      const void *ptr, void *data)
+{
+	struct wmi_tlv_dma_buf_release_parse *parse = data;
+
+	if (tag != WMI_TAG_DMA_BUF_RELEASE_ENTRY)
+		return -EPROTO;
+
+	if (parse->num_buf_entry >= parse->fixed.num_buf_release_entry)
+		return -ENOBUFS;
+
+	parse->num_buf_entry++;
+	return 0;
+}
+
+static int ath11k_wmi_tlv_dma_buf_meta_parse(struct ath11k_base *soc,
+					     u16 tag, u16 len,
+					     const void *ptr, void *data)
+{
+	struct wmi_tlv_dma_buf_release_parse *parse = data;
+
+	if (tag != WMI_TAG_DMA_BUF_RELEASE_SPECTRAL_META_DATA)
+		return -EPROTO;
+
+	if (parse->num_meta >= parse->fixed.num_meta_data_entry)
+		return -ENOBUFS;
+
+	parse->num_meta++;
+	return 0;
+}
+
+static int ath11k_wmi_tlv_dma_buf_parse(struct ath11k_base *ab,
+					u16 tag, u16 len,
+					const void *ptr, void *data)
+{
+	struct wmi_tlv_dma_buf_release_parse *parse = data;
+	int ret;
+
+	switch (tag) {
+	case WMI_TAG_DMA_BUF_RELEASE:
+		memcpy(&parse->fixed, ptr,
+		       sizeof(struct ath11k_wmi_dma_buf_release_fixed_param));
+		parse->fixed.pdev_id = DP_HW2SW_MACID(parse->fixed.pdev_id);
+		break;
+	case WMI_TAG_ARRAY_STRUCT:
+		if (!parse->buf_entry_done) {
+			parse->num_buf_entry = 0;
+			parse->buf_entry = (struct wmi_dma_buf_release_entry *)ptr;
+
+			ret = ath11k_wmi_tlv_iter(ab, ptr, len,
+						  ath11k_wmi_tlv_dma_buf_entry_parse,
+						  parse);
+			if (ret) {
+				ath11k_warn(ab, "failed to parse dma buf entry tlv %d\n",
+					    ret);
+				return ret;
+			}
+
+			parse->buf_entry_done = true;
+		} else if (!parse->meta_data_done) {
+			parse->num_meta = 0;
+			parse->meta_data = (struct wmi_dma_buf_release_meta_data *)ptr;
+
+			ret = ath11k_wmi_tlv_iter(ab, ptr, len,
+						  ath11k_wmi_tlv_dma_buf_meta_parse,
+						  parse);
+			if (ret) {
+				ath11k_warn(ab, "failed to parse dma buf meta tlv %d\n",
+					    ret);
+				return ret;
+			}
+
+			parse->meta_data_done = true;
+		}
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static void ath11k_wmi_pdev_dma_ring_buf_release_event(struct ath11k_base *ab,
+						       struct sk_buff *skb)
+{
+	struct wmi_tlv_dma_buf_release_parse parse = { };
+	struct ath11k_dbring_buf_release_event param;
+	int ret;
+
+	ret = ath11k_wmi_tlv_iter(ab, skb->data, skb->len,
+				  ath11k_wmi_tlv_dma_buf_parse,
+				  &parse);
+	if (ret) {
+		ath11k_warn(ab, "failed to parse dma buf release tlv %d\n", ret);
+		return;
+	}
+
+	param.fixed		= parse.fixed;
+	param.buf_entry		= parse.buf_entry;
+	param.num_buf_entry	= parse.num_buf_entry;
+	param.meta_data		= parse.meta_data;
+	param.num_meta		= parse.num_meta;
+
+	ret = ath11k_dbring_buffer_release_event(ab, &param);
+	if (ret) {
+		ath11k_warn(ab, "failed to handle dma buf release event %d\n", ret);
+		return;
+	}
+}
+
 static int ath11k_wmi_tlv_hw_mode_caps_parse(struct ath11k_base *soc,
 					     u16 tag, u16 len,
 					     const void *ptr, void *data)
@@ -3445,6 +3808,95 @@ static int ath11k_wmi_tlv_ext_soc_hal_reg_caps_parse(struct ath11k_base *soc,
 	return 0;
 }
 
+static int ath11k_wmi_tlv_dma_ring_caps_parse(struct ath11k_base *soc,
+					      u16 tag, u16 len,
+					      const void *ptr, void *data)
+{
+	struct wmi_tlv_dma_ring_caps_parse *parse = data;
+
+	if (tag != WMI_TAG_DMA_RING_CAPABILITIES)
+		return -EPROTO;
+
+	parse->n_dma_ring_caps++;
+	return 0;
+}
+
+static int ath11k_wmi_alloc_dbring_caps(struct ath11k_base *ab,
+					u32 num_cap)
+{
+	size_t sz;
+	void *ptr;
+
+	sz = num_cap * sizeof(struct ath11k_dbring_cap);
+	ptr = kzalloc(sz, GFP_ATOMIC);
+	if (!ptr)
+		return -ENOMEM;
+
+	ab->db_caps = ptr;
+	ab->num_db_cap = num_cap;
+
+	return 0;
+}
+
+static void ath11k_wmi_free_dbring_caps(struct ath11k_base *ab)
+{
+	kfree(ab->db_caps);
+	ab->db_caps = NULL;
+}
+
+static int ath11k_wmi_tlv_dma_ring_caps(struct ath11k_base *ab,
+					u16 len, const void *ptr, void *data)
+{
+	struct wmi_tlv_dma_ring_caps_parse *dma_caps_parse = data;
+	struct wmi_dma_ring_capabilities *dma_caps;
+	struct ath11k_dbring_cap *dir_buff_caps;
+	int ret;
+	u32 i;
+
+	dma_caps_parse->n_dma_ring_caps = 0;
+	dma_caps = (struct wmi_dma_ring_capabilities *)ptr;
+	ret = ath11k_wmi_tlv_iter(ab, ptr, len,
+				  ath11k_wmi_tlv_dma_ring_caps_parse,
+				  dma_caps_parse);
+	if (ret) {
+		ath11k_warn(ab, "failed to parse dma ring caps tlv %d\n", ret);
+		return ret;
+	}
+
+	if (!dma_caps_parse->n_dma_ring_caps)
+		return 0;
+
+	if (ab->num_db_cap) {
+		ath11k_warn(ab, "Already processed, so ignoring dma ring caps\n");
+		return 0;
+	}
+
+	ret = ath11k_wmi_alloc_dbring_caps(ab, dma_caps_parse->n_dma_ring_caps);
+	if (ret)
+		return ret;
+
+	dir_buff_caps = ab->db_caps;
+	for (i = 0; i < dma_caps_parse->n_dma_ring_caps; i++) {
+		if (dma_caps[i].module_id >= WMI_DIRECT_BUF_MAX) {
+			ath11k_warn(ab, "Invalid module id %d\n", dma_caps[i].module_id);
+			ret = -EINVAL;
+			goto free_dir_buff;
+		}
+
+		dir_buff_caps[i].id = dma_caps[i].module_id;
+		dir_buff_caps[i].pdev_id = DP_HW2SW_MACID(dma_caps[i].pdev_id);
+		dir_buff_caps[i].min_elem = dma_caps[i].min_elem;
+		dir_buff_caps[i].min_buf_sz = dma_caps[i].min_buf_sz;
+		dir_buff_caps[i].min_buf_align = dma_caps[i].min_buf_align;
+	}
+
+	return 0;
+
+free_dir_buff:
+	ath11k_wmi_free_dbring_caps(ab);
+	return ret;
+}
+
 static int ath11k_wmi_tlv_svc_rdy_ext_parse(struct ath11k_base *ab,
 					    u16 tag, u16 len,
 					    const void *ptr, void *data)
@@ -3501,7 +3953,19 @@ static int ath11k_wmi_tlv_svc_rdy_ext_parse(struct ath11k_base *ab,
 				return ret;
 
 			svc_rdy_ext->ext_hal_reg_done = true;
-			complete(&ab->wmi_ab.service_ready);
+		} else if (!svc_rdy_ext->mac_phy_chainmask_combo_done) {
+			svc_rdy_ext->mac_phy_chainmask_combo_done = true;
+		} else if (!svc_rdy_ext->mac_phy_chainmask_cap_done) {
+			svc_rdy_ext->mac_phy_chainmask_cap_done = true;
+		} else if (!svc_rdy_ext->oem_dma_ring_cap_done) {
+			svc_rdy_ext->oem_dma_ring_cap_done = true;
+		} else if (!svc_rdy_ext->dma_ring_cap_done) {
+			ret = ath11k_wmi_tlv_dma_ring_caps(ab, len, ptr,
+							   &svc_rdy_ext->dma_caps_parse);
+			if (ret)
+				return ret;
+
+			svc_rdy_ext->dma_ring_cap_done = true;
 		}
 		break;
 
@@ -3522,11 +3986,66 @@ static int ath11k_service_ready_ext_event(struct ath11k_base *ab,
 				  &svc_rdy_ext);
 	if (ret) {
 		ath11k_warn(ab, "failed to parse tlv %d\n", ret);
-		return ret;
+		goto err;
 	}
 
+	if (!test_bit(WMI_TLV_SERVICE_EXT2_MSG, ab->wmi_ab.svc_map))
+		complete(&ab->wmi_ab.service_ready);
+
 	kfree(svc_rdy_ext.mac_phy_caps);
 	return 0;
+
+err:
+	ath11k_wmi_free_dbring_caps(ab);
+	return ret;
+}
+
+static int ath11k_wmi_tlv_svc_rdy_ext2_parse(struct ath11k_base *ab,
+					     u16 tag, u16 len,
+					     const void *ptr, void *data)
+{
+	struct wmi_tlv_svc_rdy_ext2_parse *parse = data;
+	int ret;
+
+	switch (tag) {
+	case WMI_TAG_ARRAY_STRUCT:
+		if (!parse->dma_ring_cap_done) {
+			ret = ath11k_wmi_tlv_dma_ring_caps(ab, len, ptr,
+							   &parse->dma_caps_parse);
+			if (ret)
+				return ret;
+
+			parse->dma_ring_cap_done = true;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int ath11k_service_ready_ext2_event(struct ath11k_base *ab,
+					   struct sk_buff *skb)
+{
+	struct wmi_tlv_svc_rdy_ext2_parse svc_rdy_ext2 = { };
+	int ret;
+
+	ret = ath11k_wmi_tlv_iter(ab, skb->data, skb->len,
+				  ath11k_wmi_tlv_svc_rdy_ext2_parse,
+				  &svc_rdy_ext2);
+	if (ret) {
+		ath11k_warn(ab, "failed to parse ext2 event tlv %d\n", ret);
+		goto err;
+	}
+
+	complete(&ab->wmi_ab.service_ready);
+
+	return 0;
+
+err:
+	ath11k_wmi_free_dbring_caps(ab);
+	return ret;
 }
 
 static int ath11k_pull_vdev_start_resp_tlv(struct ath11k_base *ab, struct sk_buff *skb,
@@ -3822,6 +4341,7 @@ static int ath11k_pull_mgmt_rx_params_tlv(struct ath11k_base *ab,
 	}
 
 	hdr->pdev_id =  ev->pdev_id;
+	hdr->chan_freq = ev->chan_freq;
 	hdr->channel =  ev->channel;
 	hdr->snr =  ev->snr;
 	hdr->rate =  ev->rate;
@@ -5193,7 +5713,9 @@ static void ath11k_mgmt_rx_event(struct ath11k_base *ab, struct sk_buff *skb)
 	if (rx_ev.status & WMI_RX_STATUS_ERR_MIC)
 		status->flag |= RX_FLAG_MMIC_ERROR;
 
-	if (rx_ev.channel >= 1 && rx_ev.channel <= 14) {
+	if (rx_ev.chan_freq >= ATH11K_MIN_6G_FREQ) {
+		status->band = NL80211_BAND_6GHZ;
+	} else if (rx_ev.channel >= 1 && rx_ev.channel <= 14) {
 		status->band = NL80211_BAND_2GHZ;
 	} else if (rx_ev.channel >= 36 && rx_ev.channel <= ATH11K_MAX_5G_CHAN) {
 		status->band = NL80211_BAND_5GHZ;
@@ -5206,9 +5728,10 @@ static void ath11k_mgmt_rx_event(struct ath11k_base *ab, struct sk_buff *skb)
 		goto exit;
 	}
 
-	if (rx_ev.phy_mode == MODE_11B && status->band == NL80211_BAND_5GHZ)
+	if (rx_ev.phy_mode == MODE_11B &&
+	    (status->band == NL80211_BAND_5GHZ || status->band == NL80211_BAND_6GHZ))
 		ath11k_dbg(ab, ATH11K_DBG_WMI,
-			   "wmi mgmt rx 11b (CCK) on 5GHz\n");
+			   "wmi mgmt rx 11b (CCK) on 5/6GHz, band = %d\n", status->band);
 
 	sband = &ar->mac.sbands[status->band];
 
@@ -5933,6 +6456,9 @@ static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb)
 	case WMI_SERVICE_READY_EXT_EVENTID:
 		ath11k_service_ready_ext_event(ab, skb);
 		break;
+	case WMI_SERVICE_READY_EXT2_EVENTID:
+		ath11k_service_ready_ext2_event(ab, skb);
+		break;
 	case WMI_REG_CHAN_LIST_CC_EVENTID:
 		ath11k_reg_chan_list_event(ab, skb);
 		break;
@@ -5994,12 +6520,16 @@ static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb)
 	case WMI_PDEV_TEMPERATURE_EVENTID:
 		ath11k_wmi_pdev_temperature_event(ab, skb);
 		break;
+	case WMI_PDEV_DMA_RING_BUF_RELEASE_EVENTID:
+		ath11k_wmi_pdev_dma_ring_buf_release_event(ab, skb);
+		break;
 	/* add Unsupported events here */
 	case WMI_TBTTOFFSET_EXT_UPDATE_EVENTID:
 	case WMI_VDEV_DELETE_RESP_EVENTID:
 	case WMI_PEER_OPER_MODE_CHANGE_EVENTID:
 	case WMI_TWT_ENABLE_EVENTID:
 	case WMI_TWT_DISABLE_EVENTID:
+	case WMI_PDEV_DMA_RING_CFG_RSP_EVENTID:
 		ath11k_dbg(ab, ATH11K_DBG_WMI,
 			   "ignoring unsupported event 0x%x\n", id);
 		break;
@@ -6213,4 +6743,6 @@ void ath11k_wmi_detach(struct ath11k_base *ab)
 
 	for (i = 0; i < ab->htc.wmi_ep_count; i++)
 		ath11k_wmi_pdev_detach(ab, i);
+
+	ath11k_wmi_free_dbring_caps(ab);
 }

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

@@ -24,6 +24,8 @@ struct ath11k_fw_stats;
 #define HE_PET_8_USEC            1
 #define HE_PET_16_USEC           2
 
+#define WMI_MAX_CHAINS		 8
+
 #define WMI_MAX_NUM_SS                    MAX_HE_NSS
 #define WMI_MAX_NUM_RU                    MAX_HE_RU
 
@@ -50,10 +52,20 @@ struct wmi_tlv {
 #define WMI_MAX_MEM_REQS        32
 #define ATH11K_MAX_HW_LISTEN_INTERVAL 5
 
+#define WLAN_SCAN_MAX_HINT_S_SSID        10
+#define WLAN_SCAN_MAX_HINT_BSSID         10
+#define MAX_RNR_BSS                    5
+
+#define WLAN_SCAN_MAX_HINT_S_SSID        10
+#define WLAN_SCAN_MAX_HINT_BSSID         10
+#define MAX_RNR_BSS                    5
+
 #define WLAN_SCAN_PARAMS_MAX_SSID    16
 #define WLAN_SCAN_PARAMS_MAX_BSSID   4
 #define WLAN_SCAN_PARAMS_MAX_IE_LEN  256
 
+#define WMI_APPEND_TO_EXISTING_CHAN_LIST_FLAG 1
+
 #define WMI_BA_MODE_BUFFER_SIZE_256  3
 /*
  * HW mode config type replicated from FW header
@@ -586,6 +598,11 @@ enum wmi_tlv_event_id {
 	WMI_PDEV_DMA_RING_CFG_RSP_EVENTID,
 	WMI_PDEV_DMA_RING_BUF_RELEASE_EVENTID,
 	WMI_PDEV_CTL_FAILSAFE_CHECK_EVENTID,
+	WMI_PDEV_CSC_SWITCH_COUNT_STATUS_EVENTID,
+	WMI_PDEV_COLD_BOOT_CAL_DATA_EVENTID,
+	WMI_PDEV_RAP_INFO_EVENTID,
+	WMI_CHAN_RF_CHARACTERIZATION_INFO_EVENTID,
+	WMI_SERVICE_READY_EXT2_EVENTID,
 	WMI_VDEV_START_RESP_EVENTID = WMI_TLV_CMD(WMI_GRP_VDEV),
 	WMI_VDEV_STOPPED_EVENTID,
 	WMI_VDEV_INSTALL_KEY_COMPLETE_EVENTID,
@@ -1011,6 +1028,7 @@ enum wmi_tlv_vdev_param {
 	WMI_VDEV_PARAM_FILS_MAX_CHANNEL_GUARD_TIME,
 	WMI_VDEV_PARAM_BA_MODE = 0x7e,
 	WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE = 0x87,
+	WMI_VDEV_PARAM_6GHZ_PARAMS = 0x99,
 	WMI_VDEV_PARAM_PROTOTYPE = 0x8000,
 	WMI_VDEV_PARAM_BSS_COLOR,
 	WMI_VDEV_PARAM_SET_HEMU_MODE,
@@ -2013,9 +2031,10 @@ enum wmi_tlv_service {
 	WMI_TLV_SERVICE_DSM_ROAM_FILTER = 211,
 	WMI_TLV_SERVICE_PACKET_CAPTURE_SUPPORT = 212,
 	WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET = 213,
+	WMI_TLV_SERVICE_FREQINFO_IN_METADATA = 219,
+	WMI_TLV_SERVICE_EXT2_MSG = 220,
 
 	WMI_MAX_EXT_SERVICE
-
 };
 
 enum {
@@ -2076,6 +2095,14 @@ enum wmi_beacon_gen_mode {
 	WMI_BEACON_BURST_MODE = 1
 };
 
+enum wmi_direct_buffer_module {
+	WMI_DIRECT_BUF_SPECTRAL = 0,
+	WMI_DIRECT_BUF_CFR = 1,
+
+	/* keep it last */
+	WMI_DIRECT_BUF_MAX
+};
+
 struct wmi_host_pdev_band_to_mac {
 	u32 pdev_id;
 	u32 start_freq;
@@ -2382,6 +2409,15 @@ struct wmi_mac_addr {
 	} __packed;
 } __packed;
 
+struct wmi_dma_ring_capabilities {
+	u32 tlv_header;
+	u32 pdev_id;
+	u32 module_id;
+	u32 min_elem;
+	u32 min_buf_sz;
+	u32 min_buf_align;
+} __packed;
+
 struct wmi_ready_event_min {
 	struct wmi_abi_version fw_abi_vers;
 	struct wmi_mac_addr mac_addr;
@@ -2519,7 +2555,8 @@ struct channel_param {
 	    allow_ht:1,
 	    allow_vht:1,
 	    allow_he:1,
-	    set_agile:1;
+	    set_agile:1,
+	    psc_channel:1;
 	u32 phy_mode;
 	u32 cfreq1;
 	u32 cfreq2;
@@ -3059,6 +3096,9 @@ struct  wmi_start_scan_cmd {
 	u32 num_vendor_oui;
 	u32 scan_ctrl_flags_ext;
 	u32 dwell_time_active_2g;
+	u32 dwell_time_active_6g;
+	u32 dwell_time_passive_6g;
+	u32 scan_start_offset;
 } __packed;
 
 #define WMI_SCAN_FLAG_PASSIVE        0x1
@@ -3098,6 +3138,16 @@ enum {
 	((flag) |= (((mode) << WMI_SCAN_DWELL_MODE_SHIFT) & \
 		    WMI_SCAN_DWELL_MODE_MASK))
 
+struct hint_short_ssid {
+	u32 freq_flags;
+	u32 short_ssid;
+};
+
+struct hint_bssid {
+	u32 freq_flags;
+	struct wmi_mac_addr bssid;
+};
+
 struct scan_req_params {
 	u32 scan_id;
 	u32 scan_req_id;
@@ -3125,6 +3175,8 @@ struct scan_req_params {
 	u32 dwell_time_active;
 	u32 dwell_time_active_2g;
 	u32 dwell_time_passive;
+	u32 dwell_time_active_6g;
+	u32 dwell_time_passive_6g;
 	u32 min_rest_time;
 	u32 max_rest_time;
 	u32 repeat_probe_time;
@@ -3175,6 +3227,10 @@ struct scan_req_params {
 	struct element_info extraie;
 	struct element_info htcap;
 	struct element_info vhtcap;
+	u32 num_hint_s_ssid;
+	u32 num_hint_bssid;
+	struct hint_short_ssid hint_s_ssid[WLAN_SCAN_MAX_HINT_S_SSID];
+	struct hint_bssid hint_bssid[WLAN_SCAN_MAX_HINT_BSSID];
 };
 
 struct wmi_ssid_arg {
@@ -3264,6 +3320,7 @@ struct  wmi_bcn_send_from_host_cmd {
 #define WMI_CHAN_INFO_QUARTER_RATE	BIT(15)
 #define WMI_CHAN_INFO_DFS_FREQ2		BIT(16)
 #define WMI_CHAN_INFO_ALLOW_HE		BIT(17)
+#define WMI_CHAN_INFO_PSC		BIT(18)
 
 #define WMI_CHAN_REG_INFO1_MIN_PWR	GENMASK(7, 0)
 #define WMI_CHAN_REG_INFO1_MAX_PWR	GENMASK(15, 8)
@@ -3444,6 +3501,7 @@ struct peer_assoc_params {
 	u32 tx_max_rate;
 	u32 tx_mcs_set;
 	u8 vht_capable;
+	u8 min_data_rate;
 	u32 tx_max_mcs_nss;
 	u32 peer_bw_rxnss_override;
 	bool is_pmf_enabled;
@@ -3472,6 +3530,7 @@ struct peer_assoc_params {
 	bool he_flag;
 	u32 peer_he_cap_macinfo[2];
 	u32 peer_he_cap_macinfo_internal;
+	u32 peer_he_caps_6ghz;
 	u32 peer_he_ops;
 	u32 peer_he_cap_phyinfo[WMI_HOST_MAX_HECAP_PHY_SIZE];
 	u32 peer_he_mcs_count;
@@ -3509,6 +3568,8 @@ struct  wmi_peer_assoc_complete_cmd {
 	u32 peer_he_mcs;
 	u32 peer_he_cap_info_ext;
 	u32 peer_he_cap_info_internal;
+	u32 min_data_rate;
+	u32 peer_he_caps_6ghz;
 } __packed;
 
 struct wmi_stop_scan_cmd {
@@ -4228,6 +4289,7 @@ struct wmi_pdev_temperature_event {
 #define WLAN_MGMT_TXRX_HOST_MAX_ANTENNA 4
 
 struct mgmt_rx_event_params {
+	u32 chan_freq;
 	u32 channel;
 	u32 snr;
 	u8 rssi_ctl[WLAN_MGMT_TXRX_HOST_MAX_ANTENNA];
@@ -4257,6 +4319,7 @@ struct wmi_mgmt_rx_hdr {
 	u32 rx_tsf_l32;
 	u32 rx_tsf_u32;
 	u32 pdev_id;
+	u32 chan_freq;
 } __packed;
 
 #define MAX_ANTENNA_EIGHT 8
@@ -4734,6 +4797,117 @@ struct ath11k_wmi_pdev_lro_config_cmd {
 	u32 pdev_id;
 } __packed;
 
+#define ATH11K_WMI_SPECTRAL_COUNT_DEFAULT                 0
+#define ATH11K_WMI_SPECTRAL_PERIOD_DEFAULT              224
+#define ATH11K_WMI_SPECTRAL_PRIORITY_DEFAULT              1
+#define ATH11K_WMI_SPECTRAL_FFT_SIZE_DEFAULT              7
+#define ATH11K_WMI_SPECTRAL_GC_ENA_DEFAULT                1
+#define ATH11K_WMI_SPECTRAL_RESTART_ENA_DEFAULT           0
+#define ATH11K_WMI_SPECTRAL_NOISE_FLOOR_REF_DEFAULT     -96
+#define ATH11K_WMI_SPECTRAL_INIT_DELAY_DEFAULT           80
+#define ATH11K_WMI_SPECTRAL_NB_TONE_THR_DEFAULT          12
+#define ATH11K_WMI_SPECTRAL_STR_BIN_THR_DEFAULT           8
+#define ATH11K_WMI_SPECTRAL_WB_RPT_MODE_DEFAULT           0
+#define ATH11K_WMI_SPECTRAL_RSSI_RPT_MODE_DEFAULT         0
+#define ATH11K_WMI_SPECTRAL_RSSI_THR_DEFAULT           0xf0
+#define ATH11K_WMI_SPECTRAL_PWR_FORMAT_DEFAULT            0
+#define ATH11K_WMI_SPECTRAL_RPT_MODE_DEFAULT              2
+#define ATH11K_WMI_SPECTRAL_BIN_SCALE_DEFAULT             1
+#define ATH11K_WMI_SPECTRAL_DBM_ADJ_DEFAULT               1
+#define ATH11K_WMI_SPECTRAL_CHN_MASK_DEFAULT              1
+
+struct ath11k_wmi_vdev_spectral_conf_param {
+	u32 vdev_id;
+	u32 scan_count;
+	u32 scan_period;
+	u32 scan_priority;
+	u32 scan_fft_size;
+	u32 scan_gc_ena;
+	u32 scan_restart_ena;
+	u32 scan_noise_floor_ref;
+	u32 scan_init_delay;
+	u32 scan_nb_tone_thr;
+	u32 scan_str_bin_thr;
+	u32 scan_wb_rpt_mode;
+	u32 scan_rssi_rpt_mode;
+	u32 scan_rssi_thr;
+	u32 scan_pwr_format;
+	u32 scan_rpt_mode;
+	u32 scan_bin_scale;
+	u32 scan_dbm_adj;
+	u32 scan_chn_mask;
+} __packed;
+
+struct ath11k_wmi_vdev_spectral_conf_cmd {
+	u32 tlv_header;
+	struct ath11k_wmi_vdev_spectral_conf_param param;
+} __packed;
+
+#define ATH11K_WMI_SPECTRAL_TRIGGER_CMD_TRIGGER  1
+#define ATH11K_WMI_SPECTRAL_TRIGGER_CMD_CLEAR    2
+#define ATH11K_WMI_SPECTRAL_ENABLE_CMD_ENABLE    1
+#define ATH11K_WMI_SPECTRAL_ENABLE_CMD_DISABLE   2
+
+struct ath11k_wmi_vdev_spectral_enable_cmd {
+	u32 tlv_header;
+	u32 vdev_id;
+	u32 trigger_cmd;
+	u32 enable_cmd;
+} __packed;
+
+struct ath11k_wmi_pdev_dma_ring_cfg_req_cmd {
+	u32 tlv_header;
+	u32 pdev_id;
+	u32 module_id;		/* see enum wmi_direct_buffer_module */
+	u32 base_paddr_lo;
+	u32 base_paddr_hi;
+	u32 head_idx_paddr_lo;
+	u32 head_idx_paddr_hi;
+	u32 tail_idx_paddr_lo;
+	u32 tail_idx_paddr_hi;
+	u32 num_elems;		/* Number of elems in the ring */
+	u32 buf_size;		/* size of allocated buffer in bytes */
+
+	/* Number of wmi_dma_buf_release_entry packed together */
+	u32 num_resp_per_event;
+
+	/* Target should timeout and send whatever resp
+	 * it has if this time expires, units in milliseconds
+	 */
+	u32 event_timeout_ms;
+} __packed;
+
+struct ath11k_wmi_dma_buf_release_fixed_param {
+	u32 pdev_id;
+	u32 module_id;
+	u32 num_buf_release_entry;
+	u32 num_meta_data_entry;
+} __packed;
+
+struct wmi_dma_buf_release_entry {
+	u32 tlv_header;
+	u32 paddr_lo;
+
+	/* Bits 11:0:   address of data
+	 * Bits 31:12:  host context data
+	 */
+	u32 paddr_hi;
+} __packed;
+
+#define WMI_SPECTRAL_META_INFO1_FREQ1		GENMASK(15, 0)
+#define WMI_SPECTRAL_META_INFO1_FREQ2		GENMASK(31, 16)
+
+#define WMI_SPECTRAL_META_INFO2_CHN_WIDTH	GENMASK(7, 0)
+
+struct wmi_dma_buf_release_meta_data {
+	u32 tlv_header;
+	s32 noise_floor[WMI_MAX_CHAINS];
+	u32 reset_delay;
+	u32 freq1;
+	u32 freq2;
+	u32 ch_width;
+} __packed;
+
 struct target_resource_config {
 	u32 num_vdevs;
 	u32 num_peers;
@@ -4941,4 +5115,10 @@ int ath11k_wmi_send_obss_color_collision_cfg_cmd(struct ath11k *ar, u32 vdev_id,
 int ath11k_wmi_send_bss_color_change_enable_cmd(struct ath11k *ar, u32 vdev_id,
 						bool enable);
 int ath11k_wmi_pdev_lro_cfg(struct ath11k *ar, int pdev_id);
+int ath11k_wmi_pdev_dma_ring_cfg(struct ath11k *ar,
+				 struct ath11k_wmi_pdev_dma_ring_cfg_req_cmd *param);
+int ath11k_wmi_vdev_spectral_enable(struct ath11k *ar, u32 vdev_id,
+				    u32 trigger, u32 enable);
+int ath11k_wmi_vdev_spectral_conf(struct ath11k *ar,
+				  struct ath11k_wmi_vdev_spectral_conf_param *param);
 #endif

drivers/net/wireless/ath/ath9k/Kconfig

@@ -34,7 +34,7 @@ config ATH9K
 	  APs that come with these cards refer to ath9k wiki
 	  products page:
 
-	  http://wireless.kernel.org/en/users/Drivers/ath9k/products
+	  https://wireless.wiki.kernel.org/en/users/Drivers/ath9k/products
 
 	  If you choose to build a module, it'll be called ath9k.
 
@@ -185,7 +185,8 @@ config ATH9K_HTC
 	  Support for Atheros HTC based cards.
 	  Chipsets supported: AR9271
 
-	  For more information: http://wireless.kernel.org/en/users/Drivers/ath9k_htc
+	  For more information:
+	  https://wireless.wiki.kernel.org/en/users/Drivers/ath9k_htc
 
 	  The built module will be ath9k_htc.
 

drivers/net/wireless/ath/ath9k/hw.c

@@ -2410,7 +2410,7 @@ static u8 fixup_chainmask(u8 chip_chainmask, u8 eeprom_chainmask)
  * of tests. The testing requirements are going to be documented. Desired
  * test requirements are documented at:
  *
- * http://wireless.kernel.org/en/users/Drivers/ath9k/dfs
+ * https://wireless.wiki.kernel.org/en/users/Drivers/ath9k/dfs
  *
  * Once a new chipset gets properly tested an individual commit can be used
  * to document the testing for DFS for that chipset.

drivers/net/wireless/ath/carl9170/Kconfig

@@ -10,7 +10,7 @@ config CARL9170
 
 	  It needs a special firmware (carl9170-1.fw), which can be downloaded
 	  from our wiki here:
-	  <http://wireless.kernel.org/en/users/Drivers/carl9170>
+	  <https://wireless.wiki.kernel.org/en/users/Drivers/carl9170>
 
 	  If you choose to build a module, it'll be called carl9170.
 

drivers/net/wireless/ath/carl9170/usb.c

@@ -61,7 +61,7 @@ MODULE_ALIAS("arusb_lnx");
  * Note:
  *
  * Always update our wiki's device list (located at:
- * http://wireless.kernel.org/en/users/Drivers/ar9170/devices ),
+ * https://wireless.wiki.kernel.org/en/users/Drivers/ar9170/devices ),
  * whenever you add a new device.
  */
 static const struct usb_device_id carl9170_usb_ids[] = {

drivers/net/wireless/ath/spectral_common.h

@@ -24,6 +24,7 @@
  * could be acquired so far.
  */
 #define SPECTRAL_ATH10K_MAX_NUM_BINS		256
+#define SPECTRAL_ATH11K_MAX_NUM_BINS		512
 
 /* FFT sample format given to userspace via debugfs.
  *
@@ -37,6 +38,7 @@ enum ath_fft_sample_type {
 	ATH_FFT_SAMPLE_HT20 = 1,
 	ATH_FFT_SAMPLE_HT20_40,
 	ATH_FFT_SAMPLE_ATH10K,
+	ATH_FFT_SAMPLE_ATH11K
 };
 
 struct fft_sample_tlv {
@@ -110,4 +112,19 @@ struct fft_sample_ath10k {
 	u8 data[0];
 } __packed;
 
+struct fft_sample_ath11k {
+	struct fft_sample_tlv tlv;
+	u8 chan_width_mhz;
+	s8 max_index;
+	u8 max_exp;
+	__be16 freq1;
+	__be16 freq2;
+	__be16 max_magnitude;
+	__be16 rssi;
+	__be32 tsf;
+	__be32 noise;
+
+	u8 data[0];
+} __packed;
+
 #endif /* SPECTRAL_COMMON_H */

drivers/net/wireless/ath/wil6210/Kconfig

@@ -10,7 +10,7 @@ config WIL6210
 	  wil6210 chip by Wilocity. It supports operation on the
 	  60 GHz band, covered by the IEEE802.11ad standard.
 
-	  http://wireless.kernel.org/en/users/Drivers/wil6210
+	  https://wireless.wiki.kernel.org/en/users/Drivers/wil6210
 
 	  If you choose to build it as a module, it will be called
 	  wil6210