--- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -21,6 +21,8 @@ #include "hw.h" #include "hal_rx.h" #include "reg.h" +#include "db_ring.h" +#include "spectral.h" #include "thermal.h" #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) @@ -219,6 +221,7 @@ struct ath11k_vif { bool is_started; bool is_up; + bool spectral_enabled; u32 aid; u8 bssid[ETH_ALEN]; struct cfg80211_bitrate_mask bitrate_mask; @@ -551,6 +554,7 @@ struct ath11k { u32 cached_ppdu_id; #ifdef CPTCFG_ATH11K_DEBUGFS struct ath11k_debug debug; + struct ath11k_spectral spectral; #endif bool dfs_block_radar_events; struct ath11k_thermal thermal; @@ -679,6 +683,8 @@ struct ath11k_base { u32 fw_crash_counter; } stats; struct ath11k_ftm_event_obj ftm_event_obj; + struct ath11k_db_ring_cap *db_caps; + u32 num_db_cap; u32 pktlog_defs_checksum; }; --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/db_ring.c @@ -0,0 +1,354 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2019 The Linux Foundation. All rights reserved. + */ + +#include "core.h" +#include "debug.h" + +static int ath11k_db_ring_bufs_replenish(struct ath11k *ar, + struct ath11k_db_ring *ring, + struct ath11k_db_ring_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); + if (dma_mapping_error(ab->dev, paddr)) { + ret = -ENOBUFS; + 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 fail_dma_unmap; + } + + desc = ath11k_hal_srng_src_get_next_entry(ab, srng); + if (!desc) { + ret = -ENOENT; + goto fail_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; + +fail_idr_remove: + spin_lock_bh(&ring->idr_lock); + idr_remove(&ring->bufs_idr, buf_id); + spin_unlock_bh(&ring->idr_lock); +fail_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_db_ring_fill_bufs(struct ath11k *ar, + struct ath11k_db_ring *ring, + gfp_t gfp) +{ + struct ath11k_db_ring_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_db_ring_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_db_ring_wmi_cfg_setup(struct ath11k *ar, + struct ath11k_db_ring *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, ¶m); + if (ret) { + ath11k_warn(ar->ab, "failed to setup db ring cfg\n"); + return ret; + } + + return 0; +} + +int ath11k_db_ring_set_cfg(struct ath11k *ar, struct ath11k_db_ring *ring, + u32 num_resp_per_event, u32 event_timeout_ms, + int (*handler)(struct ath11k *, + struct ath11k_db_ring_data *)) +{ + if (ring) { + ring->num_resp_per_event = num_resp_per_event; + ring->event_timeout_ms = event_timeout_ms; + ring->handler = handler; + } + return 0; +} + +int ath11k_db_ring_buf_setup(struct ath11k *ar, + struct ath11k_db_ring *ring, + struct ath11k_db_ring_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_db_ring_fill_bufs(ar, ring, GFP_KERNEL); + + return ret; +} + +int ath11k_db_srng_setup(struct ath11k *ar, struct ath11k_db_ring *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_db_ring_get_cap(struct ath11k_base *ab, + u8 pdev_idx, + enum wmi_direct_buffer_module id, + struct ath11k_db_ring_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_db_ring_buffer_release_event(struct ath11k_base *ab, + struct ath11k_db_ring_buf_release_event *ev) +{ + struct ath11k_db_ring *ring; + struct hal_srng *srng; + struct ath11k *ar; + struct ath11k_db_ring_element *buff; + struct ath11k_db_ring_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_db_ring(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_db_ring_bufs_replenish(ar, ring, buff, GFP_ATOMIC); + } + + spin_unlock_bh(&srng->lock); + +rcu_unlock: + rcu_read_unlock(); + + return ret; +} + +void ath11k_db_srng_cleanup(struct ath11k *ar, struct ath11k_db_ring *ring) +{ + ath11k_dp_srng_cleanup(ar->ab, &ring->refill_srng); +} + +void ath11k_db_ring_buf_cleanup(struct ath11k *ar, struct ath11k_db_ring *ring) +{ + struct ath11k_db_ring_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); +} --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/db_ring.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2019 The Linux Foundation. All rights reserved. + */ + +#ifndef ATH11K_DB_RING_H +#define ATH11K_DB_RING_H + +#include +#include +#include +#include "dp.h" + +struct ath11k_db_ring_element { + dma_addr_t paddr; + u8 payload[0]; +}; + +struct ath11k_db_ring_data { + void *data; + u32 data_sz; + struct wmi_dma_buf_release_meta_data meta; +}; + +struct ath11k_db_ring_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_db_ring_cap { + u32 pdev_id; + enum wmi_direct_buffer_module id; + u32 min_elem; + u32 min_buf_sz; + u32 min_buf_align; +}; + +struct ath11k_db_ring { + 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_db_ring_data *); +}; + +int ath11k_db_ring_set_cfg(struct ath11k *ar, + struct ath11k_db_ring *ring, + u32 num_resp_per_event, + u32 event_timeout_ms, + int (*handler)(struct ath11k *, + struct ath11k_db_ring_data *)); +int ath11k_db_ring_wmi_cfg_setup(struct ath11k *ar, + struct ath11k_db_ring *ring, + enum wmi_direct_buffer_module id); +int ath11k_db_ring_buf_setup(struct ath11k *ar, + struct ath11k_db_ring *ring, + struct ath11k_db_ring_cap *db_cap); +int ath11k_db_srng_setup(struct ath11k *ar, struct ath11k_db_ring *ring, + int ring_num, int num_entries); +int ath11k_db_ring_buffer_release_event(struct ath11k_base *ab, + struct ath11k_db_ring_buf_release_event *ev); +int ath11k_db_ring_get_cap(struct ath11k_base *ab, + u8 pdev_idx, + enum wmi_direct_buffer_module id, + struct ath11k_db_ring_cap *db_cap); +void ath11k_db_srng_cleanup(struct ath11k *ar, struct ath11k_db_ring *ring); +void ath11k_db_ring_buf_cleanup(struct ath11k *ar, struct ath11k_db_ring *ring); +#endif /* ATH11K_DB_RING_H */ --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/spectral.c @@ -0,0 +1,1010 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2019 The Linux Foundation. All rights reserved. + */ + +#include +#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_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; + __le16 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, ¶m); + 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 = snprintf(buf, 32, "%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 = snprintf(buf, 32, "%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 +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, i; + 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); + + i = 0; + while (i < num_bins) { + fft_sample->data[i] = (__le16_to_cpu(fft_report->bins[i])) & 0xFF; + i++; + } + + 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_db_ring_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, ¶m->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_db_ring_cap *db_cap) +{ + struct ath11k_spectral *sp = &ar->spectral; + int ret; + + ret = ath11k_db_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_db_ring_set_cfg(ar, &sp->rx_ring, + ATH11K_SPECTRAL_NUM_RESP_PER_EVENT, + ATH11K_SPECTRAL_EVENT_TIMEOUT_MS, + ath11k_spectral_process_data); + + ret = ath11k_db_ring_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_db_ring_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_db_ring_buf_cleanup(ar, &sp->rx_ring); +srng_cleanup: + ath11k_db_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_db_srng_cleanup(ar, &sp->rx_ring); + ath11k_db_ring_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_db_ring_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_db_ring_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_db_ring *ath11k_spectral_get_db_ring(struct ath11k *ar) +{ + if (ar->spectral.enabled) + return &ar->spectral.rx_ring; + else + return NULL; +} --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/spectral.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2019 The Linux Foundation. All rights reserved. + */ + +#ifndef ATH11K_SPECTRAL_H +#define ATH11K_SPECTRAL_H + +#include "../spectral_common.h" +#include "db_ring.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_db_ring 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 CPTCFG_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_db_ring *ath11k_spectral_get_db_ring(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_db_ring *ath11k_spectral_get_db_ring(struct ath11k *ar) +{ + return NULL; +} + +#endif /* CPTCFG_ATH11K_SPECTRAL */ +#endif /* ATH11K_SPECTRAL_H */ --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -28,6 +28,11 @@ 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; @@ -40,15 +45,35 @@ 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 }, @@ -3272,6 +3297,236 @@ int ath11k_wmi_cmd_init(struct ath11k_ba 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 = { 0 }; + struct ath11k_db_ring_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_db_ring_buffer_release_event(ab, ¶m); + if (ret) { + ath11k_warn(ab, "failed to handle dma buf release event %d\n", ret); + return; + } + + return; +} + static int ath11k_wmi_tlv_hw_mode_caps_parse(struct ath11k_base *soc, u16 tag, u16 len, const void *ptr, void *data) @@ -3452,6 +3707,95 @@ static int ath11k_wmi_tlv_ext_soc_hal_re 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_db_ring_caps(struct ath11k_base *ab, + u32 num_cap) +{ + size_t sz; + void *ptr; + + sz = num_cap * sizeof(struct ath11k_db_ring_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_db_ring_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_db_ring_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_db_ring_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_db_ring_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) @@ -3508,7 +3852,19 @@ static int ath11k_wmi_tlv_svc_rdy_ext_pa 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; @@ -3529,11 +3885,66 @@ static int ath11k_service_ready_ext_even &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_db_ring_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_db_ring_caps(ab); + return ret; } static int ath11k_pull_vdev_start_resp_tlv(struct ath11k_base *ab, struct sk_buff *skb, @@ -5940,6 +6351,9 @@ static void ath11k_wmi_tlv_op_rx(struct 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; @@ -6004,12 +6418,16 @@ static void ath11k_wmi_tlv_op_rx(struct case WMI_PDEV_UTF_EVENTID: ath11k_tm_event_wmi(ab, id, 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; @@ -6223,4 +6641,6 @@ void ath11k_wmi_detach(struct ath11k_bas for (i = 0; i < ab->htc.wmi_ep_count; i++) ath11k_wmi_pdev_detach(ab, i); + + ath11k_wmi_free_db_ring_caps(ab); } --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/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 @@ -586,6 +588,11 @@ 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, @@ -2039,6 +2046,14 @@ 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; @@ -2355,6 +2370,15 @@ struct wmi_ready_event_min { u32 num_extra_peers; } __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 { struct wmi_ready_event_min ready_event_min; u32 max_ast_index; @@ -4694,6 +4718,117 @@ 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; @@ -4895,6 +5030,12 @@ int ath11k_wmi_send_twt_enable_cmd(struc int ath11k_wmi_send_twt_disable_cmd(struct ath11k *ar, u32 pdev_id); int ath11k_wmi_send_obss_spr_cmd(struct ath11k *ar, u32 vdev_id, struct ieee80211_he_obss_pd *he_obss_pd); +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); int ath11k_wmi_send_obss_color_collision_cfg_cmd(struct ath11k *ar, u32 vdev_id, u8 bss_color, u32 period, bool enable); --- a/drivers/net/wireless/ath/ath11k/Makefile +++ b/drivers/net/wireless/ath/ath11k/Makefile @@ -15,13 +15,15 @@ ath11k-y += core.o \ dp_rx.o \ debug.o \ ce.o \ - peer.o + peer.o \ + db_ring.o ath11k-$(CPTCFG_ATH11K_DEBUGFS) += debug_htt_stats.o debugfs_sta.o ath11k-$(CPTCFG_NL80211_TESTMODE) += testmode.o ath11k-$(CPTCFG_ATH11K_TRACING) += trace.o ath11k-$(CONFIG_THERMAL) += thermal.o ath11k-$(CPTCFG_ATH11K_PKTLOG) += pktlog.o +ath11k-$(CPTCFG_ATH11K_SPECTRAL) += spectral.o # for tracing framework to find trace.h CFLAGS_trace.o := -I$(src) --- a/drivers/net/wireless/ath/ath11k/dp.c +++ b/drivers/net/wireless/ath/ath11k/dp.c @@ -172,11 +172,12 @@ int ath11k_dp_srng_setup(struct ath11k_b 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; --- a/drivers/net/wireless/ath/ath11k/Kconfig +++ b/drivers/net/wireless/ath/ath11k/Kconfig @@ -43,3 +43,13 @@ config ATH11K_PKTLOG and reception, rate information and ani state. The packet log uses ring buffer to dump the data. The buffer size, frame filters can be alterted by debugfs entries. + +config ATH11K_SPECTRAL + bool "QCA ath11k spectral scan support" + depends on ATH11K_DEBUGFS + depends on RELAY + default n + help + Enable ath11k spectral scan support + + Say Y to enable access to the FFT/spectral data via debugfs. --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -405,8 +405,16 @@ static int ath11k_core_pdev_create(struc 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: @@ -420,6 +428,7 @@ err_pdev_debug: static void ath11k_core_pdev_destroy(struct ath11k_base *ab) { ath11k_thermal_unregister(ab); + ath11k_spectral_deinit(ab); ath11k_mac_unregister(ab); ath11k_ahb_ext_irq_disable(ab); ath11k_dp_pdev_free(ab); @@ -604,6 +613,7 @@ static int ath11k_core_reconfigure_on_cr ath11k_thermal_unregister(ab); ath11k_ahb_ext_irq_disable(ab); ath11k_dp_pdev_free(ab); + ath11k_spectral_deinit(ab); ath11k_ahb_stop(ab); ath11k_wmi_detach(ab); ath11k_dp_pdev_reo_cleanup(ab); --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -2116,6 +2116,9 @@ static int ath11k_start_scan(struct ath1 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; --- a/drivers/net/wireless/ath/spectral_common.h +++ b/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 { @@ -109,5 +111,20 @@ 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 */ --- a/local-symbols +++ b/local-symbols @@ -136,3 +136,4 @@ ATH11K_DEBUG= ATH11K_DEBUGFS= ATH11K_TRACING= ATH11K_PKTLOG= +ATH11K_SPECTRAL=