text: /*
   * Copyright (c) 2016-2018 Nordic Semiconductor ASA
   * Copyright (c) 2016 Vinayak Kariappa Chettimada
   *
   * SPDX-License-Identifier: Apache-2.0
   */
  
  #include <stddef.h>
  #include <string.h>
  
  #include <version.h>
  #include <errno.h>
  
  #include <sys/util.h>
  #include <sys/byteorder.h>
  #include <sys/atomic.h>
  
  #include <drivers/bluetooth/hci_driver.h>
  
  #include <bluetooth/hci.h>
  #include <bluetooth/hci_vs.h>
  #include <bluetooth/buf.h>
  #include <bluetooth/bluetooth.h>
  
  #include "../host/hci_ecc.h"
  
  #include "util/util.h"
  #include "util/memq.h"
  #include "util/mem.h"
  #include "util/dbuf.h"
  
  #include "hal/ecb.h"
  #include "hal/ccm.h"
  
  #include "ll_sw/pdu.h"
  
  #include "ll_sw/lll.h"
  #include "lll/lll_adv_types.h"
  #include "ll_sw/lll_adv.h"
  #include "lll/lll_adv_pdu.h"
  #include "ll_sw/lll_scan.h"
  #include "lll/lll_df_types.h"
  #include "ll_sw/lll_sync.h"
  #include "ll_sw/lll_sync_iso.h"
  #include "ll_sw/lll_conn.h"
  #include "ll_sw/lll_conn_iso.h"
  #include "ll_sw/lll_iso_tx.h"
  
  #include "ll_sw/isoal.h"
  
  #if !defined(CONFIG_BT_LL_SW_LLCP_LEGACY)
  #include "ull_tx_queue.h"
  #endif
  
  #include "ll_sw/ull_adv_types.h"
  #include "ll_sw/ull_scan_types.h"
  #include "ll_sw/ull_sync_types.h"
  #include "ll_sw/ull_conn_types.h"
  #include "ll_sw/ull_iso_types.h"
  #include "ll_sw/ull_conn_iso_types.h"
  #include "ll_sw/ull_df_types.h"
  
  #include "ll_sw/ull_adv_internal.h"
  #include "ll_sw/ull_sync_internal.h"
  #include "ll_sw/ull_conn_internal.h"
  #include "ll_sw/ull_sync_iso_internal.h"
  #include "ll_sw/ull_df_internal.h"
  
  #include "ll.h"
  #include "ll_feat.h"
  #include "ll_settings.h"
  
  #include "hci_internal.h"
  #include "hci_vendor.h"
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  #include "ll_sw/ll_mesh.h"
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI)
  #include "ll_sw/ll_test.h"
  #endif /* CONFIG_BT_CTLR_DTM_HCI */
  
  #if defined(CONFIG_BT_CTLR_USER_EXT)
  #include "hci_user_ext.h"
  #endif /* CONFIG_BT_CTLR_USER_EXT */
  
  #define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_DRIVER)
  #define LOG_MODULE_NAME bt_ctlr_hci
  #include "common/log.h"
  #include "hal/debug.h"
  
  /* opcode of the HCI command currently being processed. The opcode is stored
   * by hci_cmd_handle() and then used during the creation of cmd complete and
   * cmd status events to avoid passing it up the call chain.
   */
  static uint16_t _opcode;
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  /* NOTE: Duplicate filter uses two LS bits value of standard advertising modes:
   *       0 - Non-Connectable Non-Scannable advertising report
   *       1 - Connectable Non-Scannable advertising report
   *       2 - Non-Connectable Scannable advertisig report
   *       3 - Connectable Scannable advertising report
   *
   *       FIXME: Duplicate filtering of Connectable Directed low and high duty
   *              cycle. If advertiser changes between Connectable Non-Scannable,
   *              Connectable Directed low, and high duty cycle without changing
   *              SID and DID, then such reports will be filtered out by the
   *              implementation. Needs enhancement to current implementation.
   *
   *       Define a custom duplicate filter mode for periodic advertising:
   *       4 - Periodic Advertising report
   */
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  #define DUP_EXT_ADV_MODE_MAX      5
  #define DUP_EXT_ADV_MODE_PERIODIC BIT(2)
  #else /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  #define DUP_EXT_ADV_MODE_MAX      4
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  
  #define DUP_EXT_ADV_MODE_COUNT    4
  
  /* Duplicate filter entries, one per Bluetooth address */
  static struct dup_entry {
  	bt_addr_le_t addr;
  
  	/* Mask to accumulate advertising PDU type as bitmask */
  	uint8_t      mask;
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	struct dup_ext_adv_mode {
  		uint16_t set_count:5;
  		uint16_t set_curr:5;
  		struct dup_ext_adv_set {
  			uint8_t data_cmplt:1;
  			struct pdu_adv_adi adi;
  		} set[CONFIG_BT_CTLR_DUP_FILTER_ADV_SET_MAX];
  	} adv_mode[DUP_EXT_ADV_MODE_MAX];
  #endif
  } dup_filter[CONFIG_BT_CTLR_DUP_FILTER_LEN];
  
  /* Duplicate filtering is disabled if count value is set to negative integer */
  #define DUP_FILTER_DISABLED (-1)
  
  /* Duplicate filtering array entry count, filtering disabled if negative */
  static int32_t dup_count;
  /* Duplicate filtering current free entry, overwrites entries after rollover */
  static uint32_t dup_curr;
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  /* Helper function to reset non-periodic advertising entries in filter table */
  static void dup_ext_adv_reset(void);
  /* Flag for advertising reports be filtered for duplicates. */
  static bool dup_scan;
  #else /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  /* Set constant true so that (dup_count >= 0) decides if advertising duplicate
   * filter is enabled when Periodic Advertising ADI support is disabled.
   */
  static const bool dup_scan = true;
  #endif /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  struct scan_filter {
  	uint8_t count;
  	uint8_t lengths[CONFIG_BT_CTLR_MESH_SF_PATTERNS];
  	uint8_t patterns[CONFIG_BT_CTLR_MESH_SF_PATTERNS]
  		     [BT_HCI_MESH_PATTERN_LEN_MAX];
  };
  
  static struct scan_filter scan_filters[CONFIG_BT_CTLR_MESH_SCAN_FILTERS];
  static uint8_t sf_curr;
  #endif
  
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  int32_t    hci_hbuf_total;
  uint32_t    hci_hbuf_sent;
  uint32_t    hci_hbuf_acked;
  uint16_t    hci_hbuf_pend[CONFIG_BT_MAX_CONN];
  atomic_t hci_state_mask;
  static struct k_poll_signal *hbuf_signal;
  #endif
  
  #if defined(CONFIG_BT_CONN)
  static uint32_t conn_count;
  #endif
  
  #if defined(CONFIG_BT_CTLR_CENTRAL_ISO)
  static uint32_t cis_pending_count;
  #endif
  
  /* In HCI event PHY indices start at 1 compare to 0 indexed in aux_ptr field in
   * the Common Extended Payload Format in the PDUs.
   */
  #define HCI_AUX_PHY_TO_HCI_PHY(aux_phy) ((aux_phy) + 1)
  
  #define DEFAULT_EVENT_MASK           0x1fffffffffff
  #define DEFAULT_EVENT_MASK_PAGE_2    0x0
  #define DEFAULT_LE_EVENT_MASK 0x1f
  
  static uint64_t event_mask = DEFAULT_EVENT_MASK;
  static uint64_t event_mask_page_2 = DEFAULT_EVENT_MASK_PAGE_2;
  static uint64_t le_event_mask = DEFAULT_LE_EVENT_MASK;
  
  static struct net_buf *cmd_complete_status(uint8_t status);
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  #if defined(CONFIG_BT_HCI_RAW)
  static uint8_t ll_adv_cmds;
  
  __weak int ll_adv_cmds_set(uint8_t adv_cmds)
  {
  	if (!ll_adv_cmds) {
  		ll_adv_cmds = adv_cmds;
  	}
  
  	if (ll_adv_cmds != adv_cmds) {
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  __weak int ll_adv_cmds_is_ext(void)
  {
  	return ll_adv_cmds == LL_ADV_CMDS_EXT;
  }
  
  #else /* !CONFIG_BT_HCI_RAW */
  __weak int ll_adv_cmds_is_ext(void)
  {
  	return 1;
  }
  #endif /* !CONFIG_BT_HCI_RAW */
  
  static int adv_cmds_legacy_check(struct net_buf **cc_evt)
  {
  	int err;
  
  #if defined(CONFIG_BT_HCI_RAW)
  	err = ll_adv_cmds_set(LL_ADV_CMDS_LEGACY);
  	if (err && cc_evt) {
  		*cc_evt = cmd_complete_status(BT_HCI_ERR_CMD_DISALLOWED);
  	}
  #else
  	if (cc_evt) {
  		*cc_evt = cmd_complete_status(BT_HCI_ERR_CMD_DISALLOWED);
  	}
  
  	err = -EINVAL;
  #endif /* CONFIG_BT_HCI_RAW */
  
  	return err;
  }
  
  static int adv_cmds_ext_check(struct net_buf **cc_evt)
  {
  	int err;
  
  #if defined(CONFIG_BT_HCI_RAW)
  	err = ll_adv_cmds_set(LL_ADV_CMDS_EXT);
  	if (err && cc_evt) {
  		*cc_evt = cmd_complete_status(BT_HCI_ERR_CMD_DISALLOWED);
  	}
  #else
  	err = 0;
  #endif /* CONFIG_BT_HCI_RAW */
  
  	return err;
  }
  #else
  static inline int adv_cmds_legacy_check(struct net_buf **cc_evt)
  {
  	return 0;
  }
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  #if defined(CONFIG_BT_CONN)
  static void le_conn_complete(struct pdu_data *pdu_data, uint16_t handle,
  			     struct net_buf *buf);
  #endif /* CONFIG_BT_CONN */
  
  static void hci_evt_create(struct net_buf *buf, uint8_t evt, uint8_t len)
  {
  	struct bt_hci_evt_hdr *hdr;
  
  	hdr = net_buf_add(buf, sizeof(*hdr));
  	hdr->evt = evt;
  	hdr->len = len;
  }
  
  void *hci_cmd_complete(struct net_buf **buf, uint8_t plen)
  {
  	*buf = bt_hci_cmd_complete_create(_opcode, plen);
  
  	return net_buf_add(*buf, plen);
  }
  
  static struct net_buf *cmd_status(uint8_t status)
  {
  	return bt_hci_cmd_status_create(_opcode, status);
  }
  
  static struct net_buf *cmd_complete_status(uint8_t status)
  {
  	struct net_buf *buf;
  	struct bt_hci_evt_cc_status *ccst;
  
  	buf = bt_hci_cmd_complete_create(_opcode, sizeof(*ccst));
  	ccst = net_buf_add(buf, sizeof(*ccst));
  	ccst->status = status;
  
  	return buf;
  }
  
  static void *meta_evt(struct net_buf *buf, uint8_t subevt, uint8_t melen)
  {
  	struct bt_hci_evt_le_meta_event *me;
  
  	hci_evt_create(buf, BT_HCI_EVT_LE_META_EVENT, sizeof(*me) + melen);
  	me = net_buf_add(buf, sizeof(*me));
  	me->subevent = subevt;
  
  	return net_buf_add(buf, melen);
  }
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  static void *mesh_evt(struct net_buf *buf, uint8_t subevt, uint8_t melen)
  {
  	struct bt_hci_evt_mesh *me;
  
  	hci_evt_create(buf, BT_HCI_EVT_VENDOR, sizeof(*me) + melen);
  	me = net_buf_add(buf, sizeof(*me));
  	me->prefix = BT_HCI_MESH_EVT_PREFIX;
  	me->subevent = subevt;
  
  	return net_buf_add(buf, melen);
  }
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  #if defined(CONFIG_BT_CONN)
  static void disconnect(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_disconnect *cmd = (void *)buf->data;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_terminate_ind_send(handle, cmd->reason);
  
  	*evt = cmd_status(status);
  }
  
  static void read_remote_ver_info(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_read_remote_version_info *cmd = (void *)buf->data;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_version_ind_send(handle);
  
  	*evt = cmd_status(status);
  }
  #endif /* CONFIG_BT_CONN */
  
  static int link_control_cmd_handle(uint16_t  ocf, struct net_buf *cmd,
  				   struct net_buf **evt)
  {
  	switch (ocf) {
  #if defined(CONFIG_BT_CONN)
  	case BT_OCF(BT_HCI_OP_DISCONNECT):
  		disconnect(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_READ_REMOTE_VERSION_INFO):
  		read_remote_ver_info(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CONN */
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static void set_event_mask(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_set_event_mask *cmd = (void *)buf->data;
  
  	event_mask = sys_get_le64(cmd->events);
  
  	*evt = cmd_complete_status(0x00);
  }
  
  static void set_event_mask_page_2(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_set_event_mask_page_2 *cmd = (void *)buf->data;
  
  	event_mask_page_2 = sys_get_le64(cmd->events_page_2);
  
  	*evt = cmd_complete_status(0x00);
  }
  
  static void reset(struct net_buf *buf, struct net_buf **evt)
  {
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  	int i;
  
  	for (i = 0; i < ARRAY_SIZE(scan_filters); i++) {
  		scan_filters[i].count = 0U;
  	}
  	sf_curr = 0xFF;
  #endif
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	dup_count = DUP_FILTER_DISABLED;
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  	dup_scan = false;
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  	/* reset event masks */
  	event_mask = DEFAULT_EVENT_MASK;
  	event_mask_page_2 = DEFAULT_EVENT_MASK_PAGE_2;
  	le_event_mask = DEFAULT_LE_EVENT_MASK;
  
  	if (buf) {
  		ll_reset();
  		*evt = cmd_complete_status(0x00);
  	}
  
  #if defined(CONFIG_BT_CONN)
  	conn_count = 0U;
  #endif
  
  #if defined(CONFIG_BT_CTLR_CENTRAL_ISO)
  	cis_pending_count = 0U;
  #endif
  
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  	hci_hbuf_total = 0;
  	hci_hbuf_sent = 0U;
  	hci_hbuf_acked = 0U;
  	(void)memset(hci_hbuf_pend, 0, sizeof(hci_hbuf_pend));
  	if (buf) {
  		atomic_set_bit(&hci_state_mask, HCI_STATE_BIT_RESET);
  		k_poll_signal_raise(hbuf_signal, 0x0);
  	}
  #endif
  }
  
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  static void set_ctl_to_host_flow(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_set_ctl_to_host_flow *cmd = (void *)buf->data;
  	uint8_t flow_enable = cmd->flow_enable;
  	struct bt_hci_evt_cc_status *ccst;
  
  	ccst = hci_cmd_complete(evt, sizeof(*ccst));
  
  	/* require host buffer size before enabling flow control, and
  	 * disallow if any connections are up
  	 */
  	if (!hci_hbuf_total || conn_count) {
  		ccst->status = BT_HCI_ERR_CMD_DISALLOWED;
  		return;
  	} else {
  		ccst->status = 0x00;
  	}
  
  	switch (flow_enable) {
  	case BT_HCI_CTL_TO_HOST_FLOW_DISABLE:
  		if (hci_hbuf_total < 0) {
  			/* already disabled */
  			return;
  		}
  		break;
  	case BT_HCI_CTL_TO_HOST_FLOW_ENABLE:
  		if (hci_hbuf_total > 0) {
  			/* already enabled */
  			return;
  		}
  		break;
  	default:
  		ccst->status = BT_HCI_ERR_INVALID_PARAM;
  		return;
  	}
  
  	hci_hbuf_sent = 0U;
  	hci_hbuf_acked = 0U;
  	(void)memset(hci_hbuf_pend, 0, sizeof(hci_hbuf_pend));
  	hci_hbuf_total = -hci_hbuf_total;
  }
  
  static void host_buffer_size(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_host_buffer_size *cmd = (void *)buf->data;
  	uint16_t acl_pkts = sys_le16_to_cpu(cmd->acl_pkts);
  	uint16_t acl_mtu = sys_le16_to_cpu(cmd->acl_mtu);
  	struct bt_hci_evt_cc_status *ccst;
  
  	ccst = hci_cmd_complete(evt, sizeof(*ccst));
  
  	if (hci_hbuf_total) {
  		ccst->status = BT_HCI_ERR_CMD_DISALLOWED;
  		return;
  	}
  	/* fragmentation from controller to host not supported, require
  	 * ACL MTU to be at least the LL MTU
  	 */
  	if (acl_mtu < LL_LENGTH_OCTETS_RX_MAX) {
  		ccst->status = BT_HCI_ERR_INVALID_PARAM;
  		return;
  	}
  
  	BT_DBG("FC: host buf size: %d", acl_pkts);
  	hci_hbuf_total = -acl_pkts;
  }
  
  static void host_num_completed_packets(struct net_buf *buf,
  				       struct net_buf **evt)
  {
  	struct bt_hci_cp_host_num_completed_packets *cmd = (void *)buf->data;
  	struct bt_hci_evt_cc_status *ccst;
  	uint32_t count = 0U;
  
  	/* special case, no event returned except for error conditions */
  	if (hci_hbuf_total <= 0) {
  		ccst = hci_cmd_complete(evt, sizeof(*ccst));
  		ccst->status = BT_HCI_ERR_CMD_DISALLOWED;
  		return;
  	} else if (!conn_count) {
  		ccst = hci_cmd_complete(evt, sizeof(*ccst));
  		ccst->status = BT_HCI_ERR_INVALID_PARAM;
  		return;
  	}
  
  	/* leave *evt == NULL so no event is generated */
  	for (uint8_t i = 0; i < cmd->num_handles; i++) {
  		uint16_t h = sys_le16_to_cpu(cmd->h[i].handle);
  		uint16_t c = sys_le16_to_cpu(cmd->h[i].count);
  
  		if ((h >= ARRAY_SIZE(hci_hbuf_pend)) ||
  		    (c > hci_hbuf_pend[h])) {
  			ccst = hci_cmd_complete(evt, sizeof(*ccst));
  			ccst->status = BT_HCI_ERR_INVALID_PARAM;
  			return;
  		}
  
  		hci_hbuf_pend[h] -= c;
  		count += c;
  	}
  
  	BT_DBG("FC: acked: %d", count);
  	hci_hbuf_acked += count;
  	k_poll_signal_raise(hbuf_signal, 0x0);
  }
  #endif
  
  #if defined(CONFIG_BT_CTLR_LE_PING)
  static void read_auth_payload_timeout(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_read_auth_payload_timeout *cmd = (void *)buf->data;
  	struct bt_hci_rp_read_auth_payload_timeout *rp;
  	uint16_t auth_payload_timeout;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	status = ll_apto_get(handle, &auth_payload_timeout);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  	rp->auth_payload_timeout = sys_cpu_to_le16(auth_payload_timeout);
  }
  
  static void write_auth_payload_timeout(struct net_buf *buf,
  				       struct net_buf **evt)
  {
  	struct bt_hci_cp_write_auth_payload_timeout *cmd = (void *)buf->data;
  	struct bt_hci_rp_write_auth_payload_timeout *rp;
  	uint16_t auth_payload_timeout;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	auth_payload_timeout = sys_le16_to_cpu(cmd->auth_payload_timeout);
  
  	status = ll_apto_set(handle, auth_payload_timeout);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_LE_PING */
  
  #if defined(CONFIG_BT_CTLR_ISO)
  static void configure_data_path(struct net_buf *buf,
  				struct net_buf **evt)
  {
  	struct bt_hci_cp_configure_data_path *cmd = (void *)buf->data;
  	struct bt_hci_rp_configure_data_path *rp;
  
  	uint8_t *vs_config;
  	uint8_t status;
  
  	vs_config = &cmd->vs_config[0];
  
  	status = ll_configure_data_path(cmd->data_path_dir,
  					cmd->data_path_id,
  					cmd->vs_config_len,
  					vs_config);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  }
  #endif /* CONFIG_BT_CTLR_ISO */
  
  #if defined(CONFIG_BT_CONN)
  static void read_tx_power_level(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_read_tx_power_level *cmd = (void *)buf->data;
  	struct bt_hci_rp_read_tx_power_level *rp;
  	uint16_t handle;
  	uint8_t status;
  	uint8_t type;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	type = cmd->type;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	status = ll_tx_pwr_lvl_get(BT_HCI_VS_LL_HANDLE_TYPE_CONN,
  				   handle, type, &rp->tx_power_level);
  
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CONN */
  
  static int ctrl_bb_cmd_handle(uint16_t  ocf, struct net_buf *cmd,
  			      struct net_buf **evt)
  {
  	switch (ocf) {
  	case BT_OCF(BT_HCI_OP_SET_EVENT_MASK):
  		set_event_mask(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_RESET):
  		reset(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_SET_EVENT_MASK_PAGE_2):
  		set_event_mask_page_2(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CONN)
  	case BT_OCF(BT_HCI_OP_READ_TX_POWER_LEVEL):
  		read_tx_power_level(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  	case BT_OCF(BT_HCI_OP_SET_CTL_TO_HOST_FLOW):
  		set_ctl_to_host_flow(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_HOST_BUFFER_SIZE):
  		host_buffer_size(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_HOST_NUM_COMPLETED_PACKETS):
  		host_num_completed_packets(cmd, evt);
  		break;
  #endif
  
  #if defined(CONFIG_BT_CTLR_LE_PING)
  	case BT_OCF(BT_HCI_OP_READ_AUTH_PAYLOAD_TIMEOUT):
  		read_auth_payload_timeout(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_WRITE_AUTH_PAYLOAD_TIMEOUT):
  		write_auth_payload_timeout(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_PING */
  
  #if defined(CONFIG_BT_CTLR_ISO)
  	case BT_OCF(BT_HCI_OP_CONFIGURE_DATA_PATH):
  		configure_data_path(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_ISO */
  
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static void read_local_version_info(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_read_local_version_info *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	rp->hci_version = LL_VERSION_NUMBER;
  	rp->hci_revision = sys_cpu_to_le16(0);
  	rp->lmp_version = LL_VERSION_NUMBER;
  	rp->manufacturer = sys_cpu_to_le16(ll_settings_company_id());
  	rp->lmp_subversion = sys_cpu_to_le16(ll_settings_subversion_number());
  }
  
  static void read_supported_commands(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_read_supported_commands *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	(void)memset(&rp->commands[0], 0, sizeof(rp->commands));
  
  #if defined(CONFIG_BT_REMOTE_VERSION)
  	/* Read Remote Version Info. */
  	rp->commands[2] |= BIT(7);
  #endif
  	/* Set Event Mask, and Reset. */
  	rp->commands[5] |= BIT(6) | BIT(7);
  	/* Read TX Power Level. */
  	rp->commands[10] |= BIT(2);
  
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  	/* Set FC, Host Buffer Size and Host Num Completed */
  	rp->commands[10] |= BIT(5) | BIT(6) | BIT(7);
  #endif /* CONFIG_BT_HCI_ACL_FLOW_CONTROL */
  
  	/* Read Local Version Info, Read Local Supported Features. */
  	rp->commands[14] |= BIT(3) | BIT(5);
  	/* Read BD ADDR. */
  	rp->commands[15] |= BIT(1);
  
  #if defined(CONFIG_BT_CTLR_CONN_RSSI)
  	/* Read RSSI. */
  	rp->commands[15] |= BIT(5);
  #endif /* CONFIG_BT_CTLR_CONN_RSSI */
  
  	/* Set Event Mask Page 2 */
  	rp->commands[22] |= BIT(2);
  	/* LE Set Event Mask, LE Read Buffer Size, LE Read Local Supp Feats,
  	 * Set Random Addr
  	 */
  	rp->commands[25] |= BIT(0) | BIT(1) | BIT(2) | BIT(4);
  
  #if defined(CONFIG_BT_CTLR_FILTER_ACCEPT_LIST)
  	/* LE Read FAL Size, LE Clear FAL */
  	rp->commands[26] |= BIT(6) | BIT(7);
  	/* LE Add Dev to FAL, LE Remove Dev from FAL */
  	rp->commands[27] |= BIT(0) | BIT(1);
  #endif /* CONFIG_BT_CTLR_FILTER_ACCEPT_LIST */
  
  	/* LE Encrypt, LE Rand */
  	rp->commands[27] |= BIT(6) | BIT(7);
  	/* LE Read Supported States */
  	rp->commands[28] |= BIT(3);
  
  #if defined(CONFIG_BT_BROADCASTER)
  	/* LE Set Adv Params, LE Read Adv Channel TX Power, LE Set Adv Data */
  	rp->commands[25] |= BIT(5) | BIT(6) | BIT(7);
  	/* LE Set Scan Response Data, LE Set Adv Enable */
  	rp->commands[26] |= BIT(0) | BIT(1);
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	/* LE Set Adv Set Random Addr, LE Set Ext Adv Params, LE Set Ext Adv
  	 * Data, LE Set Ext Adv Scan Rsp Data, LE Set Ext Adv Enable, LE Read
  	 * Max Adv Data Len, LE Read Num Supp Adv Sets
  	 */
  	rp->commands[36] |= BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) |
  			    BIT(6) | BIT(7);
  	/* LE Remove Adv Set, LE Clear Adv Sets */
  	rp->commands[37] |= BIT(0) | BIT(1);
  #if defined(CONFIG_BT_CTLR_ADV_PERIODIC)
  	/* LE Set PA Params, LE Set PA Data, LE Set PA Enable */
  	rp->commands[37] |= BIT(2) | BIT(3) | BIT(4);
  #endif /* CONFIG_BT_CTLR_ADV_PERIODIC */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_OBSERVER)
  	/* LE Set Scan Params, LE Set Scan Enable */
  	rp->commands[26] |= BIT(2) | BIT(3);
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	/* LE Set Extended Scan Params, LE Set Extended Scan Enable */
  	rp->commands[37] |= BIT(5) | BIT(6);
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC)
  	/* LE PA Create Sync, LE PA Create Sync Cancel, LE PA Terminate Sync */
  	rp->commands[38] |= BIT(0) | BIT(1) | BIT(2);
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST)
  	/* LE PA Add Device to Periodic Advertiser List,
  	 * LE PA Remove Device from Periodic Advertiser List,
  	 * LE Clear Periodic Advertiser List,
  	 * LE Read Periodic Adveritiser List Size
  	 */
  	rp->commands[38] |= BIT(3) | BIT(4) | BIT(5) | BIT(6);
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST */
  	/* LE Set PA Receive Enable */
  	rp->commands[40] |= BIT(5);
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_CONN)
  #if defined(CONFIG_BT_CENTRAL)
  	/* LE Create Connection, LE Create Connection Cancel */
  	rp->commands[26] |= BIT(4) | BIT(5);
  	/* Set Host Channel Classification */
  	rp->commands[27] |= BIT(3);
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	/* LE Extended Create Connection */
  	rp->commands[37] |= BIT(7);
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	/* LE Start Encryption */
  	rp->commands[28] |= BIT(0);
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_CENTRAL_ISO)
  	/* LE Set CIG Parameters */
  	rp->commands[41] |= BIT(7);
  	/* LE Set CIG Parameters Test, LE Create CIS, LE Remove CIS */
  	rp->commands[42] |= BIT(0) | BIT(1) | BIT(2);
  #endif /* CONFIG_BT_CTLR_CENTRAL_ISO */
  #endif /* CONFIG_BT_CENTRAL */
  
  #if defined(CONFIG_BT_PERIPHERAL)
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	/* LE LTK Request Reply, LE LTK Request Negative Reply */
  	rp->commands[28] |= BIT(1) | BIT(2);
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  #if defined(CONFIG_BT_CTLR_PERIPHERAL_ISO)
  	/* LE Accept CIS Request, LE Reject CIS Request */
  	rp->commands[42] |= BIT(3) | BIT(4);
  #endif /* CONFIG_BT_CTLR_PERIPHERAL_ISO */
  #endif /* CONFIG_BT_PERIPHERAL */
  
  	/* Disconnect. */
  	rp->commands[0] |= BIT(5);
  	/* LE Connection Update, LE Read Channel Map, LE Read Remote Features */
  	rp->commands[27] |= BIT(2) | BIT(4) | BIT(5);
  
  #if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
  	/* LE Remote Conn Param Req and Neg Reply */
  	rp->commands[33] |= BIT(4) | BIT(5);
  #endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
  
  #if defined(CONFIG_BT_CTLR_LE_PING)
  	/* Read and Write authenticated payload timeout */
  	rp->commands[32] |= BIT(4) | BIT(5);
  #endif /* CONFIG_BT_CTLR_LE_PING */
  
  #if defined(CONFIG_BT_CTLR_DATA_LENGTH)
  	/* LE Set Data Length, and LE Read Suggested Data Length. */
  	rp->commands[33] |= BIT(6) | BIT(7);
  	/* LE Write Suggested Data Length. */
  	rp->commands[34] |= BIT(0);
  	/* LE Read Maximum Data Length. */
  	rp->commands[35] |= BIT(3);
  #endif /* CONFIG_BT_CTLR_DATA_LENGTH */
  
  #if defined(CONFIG_BT_CTLR_PHY)
  	/* LE Read PHY Command. */
  	rp->commands[35] |= BIT(4);
  	/* LE Set Default PHY Command. */
  	rp->commands[35] |= BIT(5);
  	/* LE Set PHY Command. */
  	rp->commands[35] |= BIT(6);
  #endif /* CONFIG_BT_CTLR_PHY */
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI)
  	/* LE RX Test, LE TX Test, LE Test End */
  	rp->commands[28] |= BIT(4) | BIT(5) | BIT(6);
  	/* LE Enhanced RX Test. */
  	rp->commands[35] |= BIT(7);
  	/* LE Enhanced TX Test. */
  	rp->commands[36] |= BIT(0);
  #if defined(CONFIG_BT_CTLR_DTM_HCI_RX_V3)
  	rp->commands[39] |= BIT(3);
  #endif /* CONFIG_BT_CTLR_DTM_HCI_RX_V3 */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_TX_V3)
  	rp->commands[39] |= BIT(4);
  #endif
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_TX_V4)
  	rp->commands[45] |= BIT(0);
  #endif
  #endif /* CONFIG_BT_CTLR_DTM_HCI */
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	/* LE resolving list commands, LE Read Peer RPA */
  	rp->commands[34] |= BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7);
  	/* LE Read Local RPA, LE Set AR Enable, Set RPA Timeout */
  	rp->commands[35] |= BIT(0) | BIT(1) | BIT(2);
  	/* LE Set Privacy Mode */
  	rp->commands[39] |= BIT(2);
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  #if defined(CONFIG_BT_CTLR_DF)
  #if defined(CONFIG_BT_CTLR_DF_ADV_CTE_TX)
  	/* LE Set Connectionless CTE Transmit Parameters,
  	 * LE Set Connectionless CTE Transmit Enable
  	 */
  	rp->commands[39] |= BIT(5) | BIT(6);
  #endif /* CONFIG_BT_CTLR_DF_ADV_CTE_TX */
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  	/* LE Set Connectionless IQ Sampling Enable */
  	rp->commands[39] |= BIT(7);
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  	/* LE Read Antenna Information */
  	rp->commands[40] |= BIT(4);
  #endif /* CONFIG_BT_CTLR_DF */
  
  #if defined(CONFIG_BT_HCI_RAW) && defined(CONFIG_BT_TINYCRYPT_ECC)
  	bt_hci_ecc_supported_commands(rp->commands);
  #endif /* CONFIG_BT_HCI_RAW && CONFIG_BT_TINYCRYPT_ECC */
  
  	/* LE Read TX Power. */
  	rp->commands[38] |= BIT(7);
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  	/* LE Read Buffer Size v2, LE Read ISO TX Sync */
  	rp->commands[41] |= BIT(5) | BIT(6);
  	/* LE ISO Transmit Test */
  	rp->commands[43] |= BIT(5);
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  	/* LE ISO Receive Test, LE ISO Read Test Counters */
  	rp->commands[43] |= BIT(6) | BIT(7);
  
  #if defined(CONFIG_BT_CTLR_READ_ISO_LINK_QUALITY)
  	/* LE Read ISO Link Quality */
  	rp->commands[44] |= BIT(2);
  #endif /* CONFIG_BT_CTLR_READ_ISO_LINK_QUALITY */
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_ISO)
  	/* LE Setup ISO Data Path, LE Remove ISO Data Path */
  	rp->commands[43] |= BIT(3) | BIT(4);
  	/* LE ISO Test End */
  	rp->commands[44] |= BIT(0);
  #endif /* CONFIG_BT_CTLR_ISO */
  
  #if defined(CONFIG_BT_CTLR_SET_HOST_FEATURE)
  	/* LE Set Host Feature */
  	rp->commands[44] |= BIT(1);
  #endif /* CONFIG_BT_CTLR_SET_HOST_FEATURE */
  
  #if defined(CONFIG_BT_CTLR_HCI_CODEC_AND_DELAY_INFO)
  	/* Read Supported Codecs */
  	rp->commands[29] |= BIT(5);
  	/* Read Supported Codecs [v2], Codec Capabilities, Controller Delay */
  	rp->commands[45] |= BIT(2) | BIT(3) | BIT(4);
  #endif /* CONFIG_BT_CTLR_HCI_CODEC_AND_DELAY_INFO */
  }
  
  static void read_local_features(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_read_local_features *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	(void)memset(&rp->features[0], 0x00, sizeof(rp->features));
  	/* BR/EDR not supported and LE supported */
  	rp->features[4] = (1 << 5) | (1 << 6);
  }
  
  static void read_bd_addr(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_read_bd_addr *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  
  	(void)ll_addr_read(0, &rp->bdaddr.val[0]);
  }
  
  #if defined(CONFIG_BT_CTLR_HCI_CODEC_AND_DELAY_INFO)
  uint8_t __weak hci_vendor_read_std_codecs(
  	const struct bt_hci_std_codec_info_v2 **codecs)
  {
  	ARG_UNUSED(codecs);
  
  	/* return number of supported codecs */
  	return 0;
  }
  
  uint8_t __weak hci_vendor_read_vs_codecs(
  	const struct bt_hci_vs_codec_info_v2 **codecs)
  {
  	ARG_UNUSED(codecs);
  
  	/* return number of supported codecs */
  	return 0;
  }
  
  static void read_codecs(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_read_codecs *rp;
  	const struct bt_hci_std_codec_info_v2 *std_codec_info;
  	const struct bt_hci_vs_codec_info_v2 *vs_codec_info;
  	struct bt_hci_std_codecs *std_codecs;
  	struct bt_hci_vs_codecs *vs_codecs;
  	size_t std_codecs_bytes;
  	size_t vs_codecs_bytes;
  	uint8_t num_std_codecs;
  	uint8_t num_vs_codecs;
  	uint8_t i;
  
  	/* read standard codec information */
  	num_std_codecs = hci_vendor_read_std_codecs(&std_codec_info);
  	std_codecs_bytes = sizeof(struct bt_hci_std_codecs) +
  		num_std_codecs * sizeof(struct bt_hci_std_codec_info);
  	/* read vendor-specific codec information */
  	num_vs_codecs = hci_vendor_read_vs_codecs(&vs_codec_info);
  	vs_codecs_bytes = sizeof(struct bt_hci_vs_codecs) +
  		num_vs_codecs *	sizeof(struct bt_hci_vs_codec_info);
  
  	/* allocate response packet */
  	rp = hci_cmd_complete(evt, sizeof(*rp) +
  			      std_codecs_bytes +
  			      vs_codecs_bytes);
  	rp->status = 0x00;
  
  	/* copy standard codec information */
  	std_codecs = (struct bt_hci_std_codecs *)&rp->codecs[0];
  	std_codecs->num_codecs = num_std_codecs;
  	for (i = 0; i < num_std_codecs; i++) {
  		struct bt_hci_std_codec_info *codec;
  
  		codec = &std_codecs->codec_info[i];
  		codec->codec_id = std_codec_info[i].codec_id;
  	}
  
  	/* copy vendor specific codec information */
  	vs_codecs = (struct bt_hci_vs_codecs *)&rp->codecs[std_codecs_bytes];
  	vs_codecs->num_codecs = num_vs_codecs;
  	for (i = 0; i < num_std_codecs; i++) {
  		struct bt_hci_vs_codec_info *codec;
  
  		codec = &vs_codecs->codec_info[i];
  		codec->company_id =
  			sys_cpu_to_le16(vs_codec_info[i].company_id);
  		codec->codec_id = sys_cpu_to_le16(vs_codec_info[i].codec_id);
  	}
  }
  
  static void read_codecs_v2(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_read_codecs_v2 *rp;
  	const struct bt_hci_std_codec_info_v2 *std_codec_info;
  	const struct bt_hci_vs_codec_info_v2 *vs_codec_info;
  	struct bt_hci_std_codecs_v2 *std_codecs;
  	struct bt_hci_vs_codecs_v2 *vs_codecs;
  	size_t std_codecs_bytes;
  	size_t vs_codecs_bytes;
  	uint8_t num_std_codecs;
  	uint8_t num_vs_codecs;
  	uint8_t i;
  
  	/* read standard codec information */
  	num_std_codecs = hci_vendor_read_std_codecs(&std_codec_info);
  	std_codecs_bytes = sizeof(struct bt_hci_std_codecs_v2) +
  		num_std_codecs * sizeof(struct bt_hci_std_codec_info_v2);
  	/* read vendor-specific codec information */
  	num_vs_codecs = hci_vendor_read_vs_codecs(&vs_codec_info);
  	vs_codecs_bytes = sizeof(struct bt_hci_vs_codecs_v2) +
  		num_vs_codecs *	sizeof(struct bt_hci_vs_codec_info_v2);
  
  	/* allocate response packet */
  	rp = hci_cmd_complete(evt, sizeof(*rp) +
  			      std_codecs_bytes +
  			      vs_codecs_bytes);
  	rp->status = 0x00;
  
  	/* copy standard codec information */
  	std_codecs = (struct bt_hci_std_codecs_v2 *)&rp->codecs[0];
  	std_codecs->num_codecs = num_std_codecs;
  	for (i = 0; i < num_std_codecs; i++) {
  		struct bt_hci_std_codec_info_v2 *codec;
  
  		codec = &std_codecs->codec_info[i];
  		codec->codec_id = std_codec_info[i].codec_id;
  		codec->transports = std_codec_info[i].transports;
  	}
  
  	/* copy vendor specific codec information  */
  	vs_codecs = (struct bt_hci_vs_codecs_v2 *)&rp->codecs[std_codecs_bytes];
  	vs_codecs->num_codecs = num_vs_codecs;
  	for (i = 0; i < num_std_codecs; i++) {
  		struct bt_hci_vs_codec_info_v2 *codec;
  
  		codec = &vs_codecs->codec_info[i];
  		codec->company_id =
  			sys_cpu_to_le16(vs_codec_info[i].company_id);
  		codec->codec_id = sys_cpu_to_le16(vs_codec_info[i].codec_id);
  		codec->transports = vs_codec_info[i].transports;
  	}
  }
  
  uint8_t __weak hci_vendor_read_codec_capabilities(uint8_t coding_format,
  						  uint16_t company_id,
  						  uint16_t vs_codec_id,
  						  uint8_t transport,
  						  uint8_t direction,
  						  uint8_t *num_capabilities,
  						  size_t *capabilities_bytes,
  						  const uint8_t **capabilities)
  {
  	ARG_UNUSED(coding_format);
  	ARG_UNUSED(company_id);
  	ARG_UNUSED(vs_codec_id);
  	ARG_UNUSED(transport);
  	ARG_UNUSED(direction);
  	ARG_UNUSED(capabilities);
  
  	*num_capabilities = 0;
  	*capabilities_bytes = 0;
  
  	/* return status */
  	return 0x00;
  }
  
  static void read_codec_capabilities(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_read_codec_capabilities *cmd = (void *)buf->data;
  	struct bt_hci_rp_read_codec_capabilities *rp;
  	const uint8_t *capabilities;
  	size_t capabilities_bytes;
  	uint8_t num_capabilities;
  	uint16_t vs_codec_id;
  	uint16_t company_id;
  	uint8_t status;
  
  	company_id = sys_le16_to_cpu(cmd->codec_id.company_id);
  	vs_codec_id = sys_le16_to_cpu(cmd->codec_id.vs_codec_id);
  
  	/* read codec capabilities */
  	status = hci_vendor_read_codec_capabilities(cmd->codec_id.coding_format,
  						    company_id,
  						    vs_codec_id,
  						    cmd->transport,
  						    cmd->direction,
  						    &num_capabilities,
  						    &capabilities_bytes,
  						    &capabilities);
  
  	/* allocate response packet */
  	rp = hci_cmd_complete(evt, sizeof(*rp) + capabilities_bytes);
  	rp->status = status;
  
  	/* copy codec capabilities information */
  	rp->num_capabilities = num_capabilities;
  	memcpy(&rp->capabilities, capabilities, capabilities_bytes);
  }
  
  uint8_t __weak hci_vendor_read_ctlr_delay(uint8_t coding_format,
  					  uint16_t company_id,
  					  uint16_t vs_codec_id,
  					  uint8_t transport,
  					  uint8_t direction,
  					  uint8_t codec_config_len,
  					  const uint8_t *codec_config,
  					  uint32_t *min_delay,
  					  uint32_t *max_delay)
  {
  	ARG_UNUSED(coding_format);
  	ARG_UNUSED(company_id);
  	ARG_UNUSED(vs_codec_id);
  	ARG_UNUSED(transport);
  	ARG_UNUSED(direction);
  	ARG_UNUSED(codec_config_len);
  	ARG_UNUSED(codec_config);
  
  	*min_delay = 0;
  	*max_delay = 0x3D0900; /* 4 seconds, maximum value allowed by spec */
  
  	/* return status */
  	return 0x00;
  }
  
  static void read_ctlr_delay(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_read_ctlr_delay *cmd = (void *)buf->data;
  	struct bt_hci_rp_read_ctlr_delay *rp;
  	uint16_t vs_codec_id;
  	uint16_t company_id;
  	uint32_t min_delay;
  	uint32_t max_delay;
  	uint8_t status;
  
  	company_id = sys_le16_to_cpu(cmd->codec_id.company_id);
  	vs_codec_id = sys_le16_to_cpu(cmd->codec_id.vs_codec_id);
  
  	status = hci_vendor_read_ctlr_delay(cmd->codec_id.coding_format,
  					    company_id,
  					    vs_codec_id,
  					    cmd->transport,
  					    cmd->direction,
  					    cmd->codec_config_len,
  					    cmd->codec_config,
  					    &min_delay,
  					    &max_delay);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	sys_put_le24(min_delay, rp->min_ctlr_delay);
  	sys_put_le24(max_delay, rp->max_ctlr_delay);
  }
  #endif /* CONFIG_BT_CTLR_HCI_CODEC_AND_DELAY_INFO */
  
  static int info_cmd_handle(uint16_t  ocf, struct net_buf *cmd,
  			   struct net_buf **evt)
  {
  	switch (ocf) {
  	case BT_OCF(BT_HCI_OP_READ_LOCAL_VERSION_INFO):
  		read_local_version_info(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_READ_SUPPORTED_COMMANDS):
  		read_supported_commands(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_READ_LOCAL_FEATURES):
  		read_local_features(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_READ_BD_ADDR):
  		read_bd_addr(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_HCI_CODEC_AND_DELAY_INFO)
  	case BT_OCF(BT_HCI_OP_READ_CODECS):
  		read_codecs(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_READ_CODECS_V2):
  		read_codecs_v2(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_READ_CODEC_CAPABILITIES):
  		read_codec_capabilities(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_READ_CTLR_DELAY):
  		read_ctlr_delay(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_HCI_CODEC_AND_DELAY_INFO */
  
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  #if defined(CONFIG_BT_CTLR_CONN_RSSI)
  static void read_rssi(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_read_rssi *cmd = (void *)buf->data;
  	struct bt_hci_rp_read_rssi *rp;
  	uint16_t handle;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = ll_rssi_get(handle, &rp->rssi);
  
  	rp->handle = sys_cpu_to_le16(handle);
  	/* The Link Layer currently returns RSSI as an absolute value */
  	rp->rssi = (!rp->status) ? -rp->rssi : 127;
  }
  #endif /* CONFIG_BT_CTLR_CONN_RSSI */
  
  static int status_cmd_handle(uint16_t  ocf, struct net_buf *cmd,
  			     struct net_buf **evt)
  {
  	switch (ocf) {
  #if defined(CONFIG_BT_CTLR_CONN_RSSI)
  	case BT_OCF(BT_HCI_OP_READ_RSSI):
  		read_rssi(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_CONN_RSSI */
  
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static void le_set_event_mask(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_set_event_mask *cmd = (void *)buf->data;
  
  	le_event_mask = sys_get_le64(cmd->events);
  
  	*evt = cmd_complete_status(0x00);
  }
  
  static void le_read_buffer_size(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_buffer_size *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  
  	rp->le_max_len = sys_cpu_to_le16(LL_LENGTH_OCTETS_TX_MAX);
  	rp->le_max_num = CONFIG_BT_BUF_ACL_TX_COUNT;
  }
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  static void le_read_buffer_size_v2(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_buffer_size_v2 *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  
  	rp->acl_max_len = sys_cpu_to_le16(LL_LENGTH_OCTETS_TX_MAX);
  	rp->acl_max_num = CONFIG_BT_BUF_ACL_TX_COUNT;
  	rp->iso_max_len = sys_cpu_to_le16(CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE);
  	rp->iso_max_num = CONFIG_BT_CTLR_ISO_TX_BUFFERS;
  }
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  static void le_read_local_features(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_local_features *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  
  	(void)memset(&rp->features[0], 0x00, sizeof(rp->features));
  	sys_put_le64(ll_feat_get(), rp->features);
  }
  
  static void le_set_random_address(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_random_address *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_addr_set(1, &cmd->bdaddr.val[0]);
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_FILTER_ACCEPT_LIST)
  static void le_read_fal_size(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_fal_size *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = 0x00;
  
  	rp->fal_size = ll_fal_size_get();
  }
  
  static void le_clear_fal(struct net_buf *buf, struct net_buf **evt)
  {
  	uint8_t status;
  
  	status = ll_fal_clear();
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_add_dev_to_fal(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_add_dev_to_fal *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_fal_add(&cmd->addr);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_rem_dev_from_fal(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_rem_dev_from_fal *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_fal_remove(&cmd->addr);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_FILTER_ACCEPT_LIST */
  
  static void le_encrypt(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_encrypt *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_encrypt *rp;
  	uint8_t enc_data[16];
  
  	ecb_encrypt(cmd->key, cmd->plaintext, enc_data, NULL);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	memcpy(rp->enc_data, enc_data, 16);
  }
  
  static void le_rand(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_rand *rp;
  	uint8_t count = sizeof(rp->rand);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = 0x00;
  
  	lll_csrand_get(rp->rand, count);
  }
  
  static void le_read_supp_states(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_supp_states *rp;
  	uint64_t states = 0U;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = 0x00;
  
  #define ST_ADV (BIT64(0)  | BIT64(1)  | BIT64(8)  | BIT64(9)  | BIT64(12) | \
  		BIT64(13) | BIT64(16) | BIT64(17) | BIT64(18) | BIT64(19) | \
  		BIT64(20) | BIT64(21))
  
  #define ST_SCA (BIT64(4)  | BIT64(5)  | BIT64(8)  | BIT64(9)  | BIT64(10) | \
  		BIT64(11) | BIT64(12) | BIT64(13) | BIT64(14) | BIT64(15) | \
  		BIT64(22) | BIT64(23) | BIT64(24) | BIT64(25) | BIT64(26) | \
  		BIT64(27) | BIT64(30) | BIT64(31))
  
  #define ST_PER (BIT64(2)  | BIT64(3)  | BIT64(7)  | BIT64(10) | BIT64(11) | \
  		BIT64(14) | BIT64(15) | BIT64(20) | BIT64(21) | BIT64(26) | \
  		BIT64(27) | BIT64(29) | BIT64(30) | BIT64(31) | BIT64(32) | \
  		BIT64(33) | BIT64(34) | BIT64(35) | BIT64(36) | BIT64(37) | \
  		BIT64(38) | BIT64(39) | BIT64(40) | BIT64(41))
  
  #define ST_CEN (BIT64(6)  | BIT64(16) | BIT64(17) | BIT64(18) | BIT64(19) | \
  		BIT64(22) | BIT64(23) | BIT64(24) | BIT64(25) | BIT64(28) | \
  		BIT64(32) | BIT64(33) | BIT64(34) | BIT64(35) | BIT64(36) | \
  		BIT64(37) | BIT64(41))
  
  #if defined(CONFIG_BT_BROADCASTER)
  	states |= ST_ADV;
  #else
  	states &= ~ST_ADV;
  #endif
  #if defined(CONFIG_BT_OBSERVER)
  	states |= ST_SCA;
  #else
  	states &= ~ST_SCA;
  #endif
  #if defined(CONFIG_BT_PERIPHERAL)
  	states |= ST_PER;
  #else
  	states &= ~ST_PER;
  #endif
  #if defined(CONFIG_BT_CENTRAL)
  	states |= ST_CEN;
  #else
  	states &= ~ST_CEN;
  #endif
  	/* All states and combinations supported except:
  	 * Initiating State + Passive Scanning
  	 * Initiating State + Active Scanning
  	 */
  	states &= ~(BIT64(22) | BIT64(23));
  	BT_DBG("states: 0x%08x%08x", (uint32_t)(states >> 32),
  				     (uint32_t)(states & 0xffffffff));
  	sys_put_le64(states, rp->le_states);
  }
  
  #if defined(CONFIG_BT_BROADCASTER)
  static void le_set_adv_param(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_adv_param *cmd = (void *)buf->data;
  	uint16_t min_interval;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  	min_interval = sys_le16_to_cpu(cmd->min_interval);
  
  	if (IS_ENABLED(CONFIG_BT_CTLR_PARAM_CHECK) &&
  	    (cmd->type != BT_HCI_ADV_DIRECT_IND)) {
  		uint16_t max_interval = sys_le16_to_cpu(cmd->max_interval);
  
  		if ((min_interval > max_interval) ||
  		    (min_interval < 0x0020) ||
  		    (max_interval > 0x4000)) {
  			*evt = cmd_complete_status(BT_HCI_ERR_INVALID_PARAM);
  			return;
  		}
  	}
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	status = ll_adv_params_set(0, 0, min_interval, cmd->type,
  				   cmd->own_addr_type, cmd->direct_addr.type,
  				   &cmd->direct_addr.a.val[0], cmd->channel_map,
  				   cmd->filter_policy, 0, 0, 0, 0, 0, 0);
  #else /* !CONFIG_BT_CTLR_ADV_EXT */
  	status = ll_adv_params_set(min_interval, cmd->type,
  				   cmd->own_addr_type, cmd->direct_addr.type,
  				   &cmd->direct_addr.a.val[0], cmd->channel_map,
  				   cmd->filter_policy);
  #endif /* !CONFIG_BT_CTLR_ADV_EXT */
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_read_adv_chan_tx_power(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_chan_tx_power *rp;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  
  	rp->tx_power_level = 0;
  }
  
  static void le_set_adv_data(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_adv_data *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	status = ll_adv_data_set(0, cmd->len, &cmd->data[0]);
  #else /* !CONFIG_BT_CTLR_ADV_EXT */
  	status = ll_adv_data_set(cmd->len, &cmd->data[0]);
  #endif /* !CONFIG_BT_CTLR_ADV_EXT */
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_scan_rsp_data(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_scan_rsp_data *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	status = ll_adv_scan_rsp_set(0, cmd->len, &cmd->data[0]);
  #else /* !CONFIG_BT_CTLR_ADV_EXT */
  	status = ll_adv_scan_rsp_set(cmd->len, &cmd->data[0]);
  #endif /* !CONFIG_BT_CTLR_ADV_EXT */
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_adv_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_adv_enable *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT) || defined(CONFIG_BT_HCI_MESH_EXT)
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  	status = ll_adv_enable(0, cmd->enable, 0, 0, 0, 0, 0);
  #else /* !CONFIG_BT_HCI_MESH_EXT */
  	status = ll_adv_enable(0, cmd->enable, 0, 0);
  #endif /* !CONFIG_BT_HCI_MESH_EXT */
  #else /* !CONFIG_BT_CTLR_ADV_EXT || !CONFIG_BT_HCI_MESH_EXT */
  	status = ll_adv_enable(cmd->enable);
  #endif /* !CONFIG_BT_CTLR_ADV_EXT || !CONFIG_BT_HCI_MESH_EXT */
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO)
  static void le_create_big(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_create_big *cmd = (void *)buf->data;
  	uint32_t sdu_interval;
  	uint16_t max_latency;
  	uint8_t big_handle;
  	uint8_t adv_handle;
  	uint16_t max_sdu;
  	uint8_t status;
  
  	status = ll_adv_iso_by_hci_handle_new(cmd->big_handle, &big_handle);
  	if (status) {
  		*evt = cmd_status(status);
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->adv_handle, &adv_handle);
  	if (status) {
  		*evt = cmd_status(status);
  		return;
  	}
  
  	sdu_interval = sys_get_le24(cmd->sdu_interval);
  	max_sdu = sys_le16_to_cpu(cmd->max_sdu);
  	max_latency = sys_le16_to_cpu(cmd->max_latency);
  
  	status = ll_big_create(big_handle, adv_handle, cmd->num_bis,
  			       sdu_interval, max_sdu, max_latency, cmd->rtn,
  			       cmd->phy, cmd->packing, cmd->framing,
  			       cmd->encryption, cmd->bcode);
  
  	*evt = cmd_status(status);
  }
  
  static void le_create_big_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_create_big_test *cmd = (void *)buf->data;
  	uint32_t sdu_interval;
  	uint16_t iso_interval;
  	uint16_t max_sdu;
  	uint16_t max_pdu;
  	uint8_t status;
  
  	sdu_interval = sys_get_le24(cmd->sdu_interval);
  	iso_interval = sys_le16_to_cpu(cmd->iso_interval);
  	max_sdu = sys_le16_to_cpu(cmd->max_sdu);
  	max_pdu = sys_le16_to_cpu(cmd->max_pdu);
  
  	status = ll_big_test_create(cmd->big_handle, cmd->adv_handle,
  				    cmd->num_bis, sdu_interval, iso_interval,
  				    cmd->nse, max_sdu, max_pdu, cmd->phy,
  				    cmd->packing, cmd->framing, cmd->bn,
  				    cmd->irc, cmd->pto, cmd->encryption,
  				    cmd->bcode);
  
  	*evt = cmd_status(status);
  }
  
  static void le_terminate_big(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_terminate_big *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_big_terminate(cmd->big_handle, cmd->reason);
  
  	*evt = cmd_status(status);
  }
  #endif /* CONFIG_BT_CTLR_ADV_ISO */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_OBSERVER)
  static void le_set_scan_param(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_scan_param *cmd = (void *)buf->data;
  	uint16_t interval;
  	uint16_t window;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  	interval = sys_le16_to_cpu(cmd->interval);
  	window = sys_le16_to_cpu(cmd->window);
  
  	status = ll_scan_params_set(cmd->scan_type, interval, window,
  				    cmd->addr_type, cmd->filter_policy);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_scan_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_scan_enable *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(evt)) {
  		return;
  	}
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	/* Initialize duplicate filtering */
  	if (cmd->enable && cmd->filter_dup) {
  		if (0) {
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  		} else if (dup_count == DUP_FILTER_DISABLED) {
  			dup_scan = true;
  
  			/* All entries reset */
  			dup_count = 0;
  			dup_curr = 0U;
  		} else if (!dup_scan) {
  			dup_scan = true;
  			dup_ext_adv_reset();
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  
  		} else {
  			/* All entries reset */
  			dup_count = 0;
  			dup_curr = 0U;
  		}
  	} else {
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  		dup_scan = false;
  #else /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  		dup_count = DUP_FILTER_DISABLED;
  #endif /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  	}
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	status = ll_scan_enable(cmd->enable, 0, 0);
  #else /* !CONFIG_BT_CTLR_ADV_EXT */
  	status = ll_scan_enable(cmd->enable);
  #endif /* !CONFIG_BT_CTLR_ADV_EXT */
  
  	/* NOTE: As filter duplicates is implemented here in HCI source code,
  	 *       enabling of already enabled scanning shall succeed after
  	 *       updates to filter duplicates is handled in the above
  	 *       statements. Refer to BT Spec v5.0 Vol 2 Part E Section 7.8.11.
  	 */
  	if (!IS_ENABLED(CONFIG_BT_CTLR_SCAN_ENABLE_STRICT) &&
  	    (status == BT_HCI_ERR_CMD_DISALLOWED)) {
  		status = BT_HCI_ERR_SUCCESS;
  	}
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO)
  static void le_big_create_sync(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_big_create_sync *cmd = (void *)buf->data;
  	uint8_t status;
  	uint16_t sync_handle;
  	uint16_t sync_timeout;
  
  	sync_handle = sys_le16_to_cpu(cmd->sync_handle);
  	sync_timeout = sys_le16_to_cpu(cmd->sync_timeout);
  
  	status = ll_big_sync_create(cmd->big_handle, sync_handle,
  				    cmd->encryption, cmd->bcode, cmd->mse,
  				    sync_timeout, cmd->num_bis, cmd->bis);
  
  	*evt = cmd_status(status);
  }
  
  
  static void le_big_terminate_sync(struct net_buf *buf, struct net_buf **evt,
  				  void **node_rx)
  {
  	struct bt_hci_cp_le_big_terminate_sync *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_big_terminate_sync *rp;
  	uint8_t big_handle;
  	uint8_t status;
  
  	big_handle = cmd->big_handle;
  	status = ll_big_sync_terminate(big_handle, node_rx);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->big_handle = big_handle;
  }
  #endif /* CONFIG_BT_CTLR_SYNC_ISO */
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_CENTRAL)
  static uint8_t check_cconn_params(bool ext, uint16_t scan_interval,
  				  uint16_t scan_window,
  				  uint16_t conn_interval_max,
  				  uint16_t conn_latency,
  				  uint16_t supervision_timeout)
  {
  	if (scan_interval < 0x0004 || scan_window < 0x0004 ||
  	    (!ext && (scan_interval > 0x4000 || scan_window > 0x4000))) {
  		return BT_HCI_ERR_INVALID_PARAM;
  	}
  
  	if (conn_interval_max < 0x0006 || conn_interval_max > 0x0C80) {
  		return BT_HCI_ERR_INVALID_PARAM;
  	}
  
  	if (conn_latency > 0x01F3) {
  		return BT_HCI_ERR_INVALID_PARAM;
  	}
  
  	if (supervision_timeout < 0x000A || supervision_timeout > 0x0C80) {
  		return BT_HCI_ERR_INVALID_PARAM;
  	}
  
  	/* sto * 10ms > (1 + lat) * ci * 1.25ms * 2
  	 * sto * 10 > (1 + lat) * ci * 2.5
  	 * sto * 2 > (1 + lat) * ci * 0.5
  	 * sto * 4 > (1 + lat) * ci
  	 */
  	if ((supervision_timeout << 2) <= ((1 + conn_latency) *
  					   conn_interval_max)) {
  		return BT_HCI_ERR_INVALID_PARAM;
  	}
  
  	return 0;
  }
  
  static void le_create_connection(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_create_conn *cmd = (void *)buf->data;
  	uint16_t supervision_timeout;
  	uint16_t conn_interval_max;
  	uint16_t scan_interval;
  	uint16_t conn_latency;
  	uint16_t scan_window;
  	uint8_t status;
  
  	if (adv_cmds_legacy_check(NULL)) {
  		*evt = cmd_status(BT_HCI_ERR_CMD_DISALLOWED);
  		return;
  	}
  
  	scan_interval = sys_le16_to_cpu(cmd->scan_interval);
  	scan_window = sys_le16_to_cpu(cmd->scan_window);
  	conn_interval_max = sys_le16_to_cpu(cmd->conn_interval_max);
  	conn_latency = sys_le16_to_cpu(cmd->conn_latency);
  	supervision_timeout = sys_le16_to_cpu(cmd->supervision_timeout);
  
  	if (IS_ENABLED(CONFIG_BT_CTLR_PARAM_CHECK)) {
  		status = check_cconn_params(false, scan_interval,
  					    scan_window,
  					    conn_interval_max,
  					    conn_latency,
  					    supervision_timeout);
  		if (status) {
  			*evt = cmd_status(status);
  			return;
  		}
  	}
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	status = ll_create_connection(scan_interval, scan_window,
  				      cmd->filter_policy,
  				      cmd->peer_addr.type,
  				      &cmd->peer_addr.a.val[0],
  				      cmd->own_addr_type, conn_interval_max,
  				      conn_latency, supervision_timeout,
  				      PHY_LEGACY);
  	if (status) {
  		*evt = cmd_status(status);
  		return;
  	}
  
  	status = ll_connect_enable(0U);
  
  #else /* !CONFIG_BT_CTLR_ADV_EXT */
  	status = ll_create_connection(scan_interval, scan_window,
  				      cmd->filter_policy,
  				      cmd->peer_addr.type,
  				      &cmd->peer_addr.a.val[0],
  				      cmd->own_addr_type, conn_interval_max,
  				      conn_latency, supervision_timeout);
  #endif /* !CONFIG_BT_CTLR_ADV_EXT */
  
  	*evt = cmd_status(status);
  }
  
  static void le_create_conn_cancel(struct net_buf *buf, struct net_buf **evt,
  				  void **node_rx)
  {
  	uint8_t status;
  
  	status = ll_connect_disable(node_rx);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_host_chan_classif(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_host_chan_classif *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_chm_update(&cmd->ch_map[0]);
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  static void le_start_encryption(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_start_encryption *cmd = (void *)buf->data;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_enc_req_send(handle,
  				 (uint8_t *)&cmd->rand,
  				 (uint8_t *)&cmd->ediv,
  				 &cmd->ltk[0]);
  
  	*evt = cmd_status(status);
  }
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_CENTRAL_ISO)
  static void le_set_cig_parameters(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_cig_params *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_cig_params *rp;
  	uint32_t c_interval;
  	uint32_t p_interval;
  	uint16_t c_latency;
  	uint16_t p_latency;
  	uint8_t status;
  	uint8_t i;
  
  	c_interval = sys_get_le24(cmd->c_interval);
  	p_interval = sys_get_le24(cmd->p_interval);
  	c_latency = sys_le16_to_cpu(cmd->c_latency);
  	p_latency = sys_le16_to_cpu(cmd->p_latency);
  
  	/* Create CIG or start modifying existing CIG */
  	status = ll_cig_parameters_open(cmd->cig_id, c_interval, p_interval,
  					cmd->sca, cmd->packing, cmd->framing,
  					c_latency, p_latency, cmd->num_cis);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp) +
  				   cmd->num_cis * sizeof(uint16_t));
  	rp->cig_id = cmd->cig_id;
  	rp->num_handles = cmd->num_cis;
  
  	/* Configure individual CISes */
  	for (i = 0; !status && i < cmd->num_cis; i++) {
  		struct bt_hci_cis_params *params = cmd->cis;
  		uint16_t handle;
  		uint16_t c_sdu;
  		uint16_t p_sdu;
  
  		c_sdu = sys_le16_to_cpu(params->c_sdu);
  		p_sdu = sys_le16_to_cpu(params->p_sdu);
  
  		status = ll_cis_parameters_set(params->cis_id, c_sdu, p_sdu,
  					       params->c_phy, params->p_phy,
  					       params->c_rtn, params->p_rtn,
  					       &handle);
  		rp->handle[i] = sys_cpu_to_le16(handle);
  	}
  
  	/* Only apply parameters if all went well */
  	if (!status) {
  		status = ll_cig_parameters_commit(cmd->cig_id);
  	}
  
  	rp->status = status;
  }
  
  static void le_set_cig_params_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_cig_params_test *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_cig_params_test *rp;
  
  	uint32_t c_interval;
  	uint32_t p_interval;
  	uint16_t iso_interval;
  	uint8_t status;
  	uint8_t i;
  
  	c_interval = sys_get_le24(cmd->c_interval);
  	p_interval = sys_get_le24(cmd->p_interval);
  	iso_interval = sys_le16_to_cpu(cmd->iso_interval);
  
  	/* Create CIG or start modifying existing CIG */
  	status = ll_cig_parameters_test_open(cmd->cig_id, c_interval,
  					     p_interval, cmd->c_ft,
  					     cmd->p_ft, iso_interval,
  					     cmd->sca, cmd->packing,
  					     cmd->framing,
  					     cmd->num_cis);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp) +
  				   cmd->num_cis * sizeof(uint16_t));
  	rp->cig_id = cmd->cig_id;
  	rp->num_handles = cmd->num_cis;
  
  	/* Configure individual CISes */
  	for (i = 0; !status && i < cmd->num_cis; i++) {
  		struct bt_hci_cis_params_test *params = cmd->cis;
  		uint16_t handle;
  		uint16_t c_sdu;
  		uint16_t p_sdu;
  		uint16_t c_pdu;
  		uint16_t p_pdu;
  
  		c_sdu = sys_le16_to_cpu(params->c_sdu);
  		p_sdu = sys_le16_to_cpu(params->p_sdu);
  		c_pdu = sys_le16_to_cpu(params->c_pdu);
  		p_pdu = sys_le16_to_cpu(params->p_pdu);
  
  		status = ll_cis_parameters_test_set(params->cis_id,
  						    c_sdu, p_sdu,
  						    c_pdu, p_pdu,
  						    params->c_phy,
  						    params->p_phy,
  						    params->c_bn,
  						    params->p_bn,
  						    &handle);
  		rp->handle[i] = sys_cpu_to_le16(handle);
  	}
  
  	/* Only apply parameters if all went well */
  	if (!status) {
  		status = ll_cig_parameters_commit(cmd->cig_id);
  	}
  
  	rp->status = status;
  }
  
  static void le_create_cis(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_create_cis *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t i;
  
  	/*
  	 * Creating new CISes is disallowed until all previous CIS
  	 * established events have been generated
  	 */
  	if (cis_pending_count) {
  		*evt = cmd_status(BT_HCI_ERR_CMD_DISALLOWED);
  		return;
  	}
  
  	/* Check all handles before actually starting to create CISes */
  	status = 0x00;
  	for (i = 0; !status && i < cmd->num_cis; i++) {
  		uint16_t cis_handle;
  		uint16_t acl_handle;
  
  		cis_handle = sys_le16_to_cpu(cmd->cis[i].cis_handle);
  		acl_handle = sys_le16_to_cpu(cmd->cis[i].acl_handle);
  		status = ll_cis_create_check(cis_handle, acl_handle);
  	}
  	*evt = cmd_status(status);
  
  	if (!status) {
  		return;
  	}
  
  	/*
  	 * Actually create CISes, any errors are to be reported
  	 * through CIS established events
  	 */
  	cis_pending_count = cmd->num_cis;
  	for (i = 0; i < cmd->num_cis; i++) {
  		uint16_t cis_handle;
  		uint16_t acl_handle;
  
  		cis_handle = sys_le16_to_cpu(cmd->cis[i].cis_handle);
  		acl_handle = sys_le16_to_cpu(cmd->cis[i].acl_handle);
  		ll_cis_create(cis_handle, acl_handle);
  	}
  }
  
  static void le_remove_cig(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_remove_cig *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_remove_cig *rp;
  	uint8_t status;
  
  	status = ll_cig_remove(cmd->cig_id);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->cig_id = cmd->cig_id;
  }
  #endif /* CONFIG_BT_CTLR_CENTRAL_ISO */
  
  #endif /* CONFIG_BT_CENTRAL */
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  static void le_iso_transmit_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_iso_transmit_test *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_iso_transmit_test *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	status = ll_iso_transmit_test(handle, cmd->payload_type);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_read_iso_tx_sync(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_iso_tx_sync *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_iso_tx_sync *rp;
  	uint16_t handle_le16;
  	uint32_t timestamp;
  	uint32_t offset;
  	uint16_t handle;
  	uint8_t status;
  	uint16_t seq;
  
  	handle_le16 = cmd->handle;
  	handle = sys_le16_to_cpu(handle_le16);
  
  	status = ll_read_iso_tx_sync(handle, &seq, &timestamp, &offset);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = handle_le16;
  	rp->seq       = sys_cpu_to_le16(seq);
  	rp->timestamp = sys_cpu_to_le32(timestamp);
  	sys_put_le24(offset, rp->offset);
  }
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  static void le_iso_receive_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_iso_receive_test *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_iso_receive_test *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	status = ll_iso_receive_test(handle, cmd->payload_type);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_iso_read_test_counters(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_test_counters *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_test_counters *rp;
  	uint32_t received_cnt;
  	uint32_t missed_cnt;
  	uint32_t failed_cnt;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_iso_read_test_counters(handle, &received_cnt,
  					   &missed_cnt, &failed_cnt);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  	rp->received_cnt = sys_cpu_to_le32(received_cnt);
  	rp->missed_cnt   = sys_cpu_to_le32(missed_cnt);
  	rp->failed_cnt   = sys_cpu_to_le32(failed_cnt);
  }
  
  #if defined(CONFIG_BT_CTLR_READ_ISO_LINK_QUALITY)
  static void le_read_iso_link_quality(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_iso_link_quality *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_iso_link_quality *rp;
  	uint32_t tx_last_subevent_packets;
  	uint32_t retransmitted_packets;
  	uint32_t rx_unreceived_packets;
  	uint32_t tx_unacked_packets;
  	uint32_t tx_flushed_packets;
  	uint32_t crc_error_packets;
  	uint32_t duplicate_packets;
  	uint16_t handle_le16;
  	uint16_t handle;
  	uint8_t status;
  
  	handle_le16 = cmd->handle;
  	handle = sys_le16_to_cpu(handle_le16);
  	status = ll_read_iso_link_quality(handle, &tx_unacked_packets,
  					  &tx_flushed_packets,
  					  &tx_last_subevent_packets,
  					  &retransmitted_packets,
  					  &crc_error_packets,
  					  &rx_unreceived_packets,
  					  &duplicate_packets);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = handle_le16;
  	rp->tx_unacked_packets = sys_cpu_to_le32(tx_unacked_packets);
  	rp->tx_flushed_packets = sys_cpu_to_le32(tx_flushed_packets);
  	rp->tx_last_subevent_packets =
  		sys_cpu_to_le32(tx_last_subevent_packets);
  	rp->retransmitted_packets = sys_cpu_to_le32(retransmitted_packets);
  	rp->crc_error_packets     = sys_cpu_to_le32(crc_error_packets);
  	rp->rx_unreceived_packets = sys_cpu_to_le32(rx_unreceived_packets);
  	rp->duplicate_packets     = sys_cpu_to_le32(duplicate_packets);
  }
  #endif /* CONFIG_BT_CTLR_READ_ISO_LINK_QUALITY */
  
  #endif /* CONFIG_BT_CTLR_SYNC_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_ISO)
  static void le_setup_iso_path(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_setup_iso_path *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_setup_iso_path *rp;
  	uint32_t controller_delay;
  	uint8_t *codec_config;
  	uint8_t coding_format;
  	uint16_t vs_codec_id;
  	uint16_t company_id;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	coding_format = cmd->codec_id.coding_format;
  	company_id = sys_le16_to_cpu(cmd->codec_id.company_id);
  	vs_codec_id = sys_le16_to_cpu(cmd->codec_id.vs_codec_id);
  	controller_delay = sys_get_le24(cmd->controller_delay);
  	codec_config = &cmd->codec_config[0];
  
  	status = ll_setup_iso_path(handle, cmd->path_dir, cmd->path_id,
  				   coding_format, company_id, vs_codec_id,
  				   controller_delay, cmd->codec_config_len,
  				   codec_config);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_remove_iso_path(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_remove_iso_path *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_remove_iso_path *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	status = ll_remove_iso_path(handle, cmd->path_dir);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_iso_test_end(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_iso_test_end *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_iso_test_end *rp;
  	uint32_t received_cnt;
  	uint32_t missed_cnt;
  	uint32_t failed_cnt;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_iso_test_end(handle, &received_cnt, &missed_cnt,
  				 &failed_cnt);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  	rp->received_cnt = sys_cpu_to_le32(received_cnt);
  	rp->missed_cnt   = sys_cpu_to_le32(missed_cnt);
  	rp->failed_cnt   = sys_cpu_to_le32(failed_cnt);
  }
  #endif /* CONFIG_BT_CTLR_ISO */
  
  #if defined(CONFIG_BT_CTLR_SET_HOST_FEATURE)
  static void le_set_host_feature(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_host_feature *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_host_feature *rp;
  	uint8_t status;
  
  	status = ll_set_host_feature(cmd->bit_number, cmd->bit_value);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  }
  #endif /* CONFIG_BT_CTLR_SET_HOST_FEATURE */
  
  #if defined(CONFIG_BT_PERIPHERAL)
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  static void le_ltk_req_reply(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_ltk_req_reply *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_ltk_req_reply *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_start_enc_req_send(handle, 0x00, &cmd->ltk[0]);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_ltk_req_neg_reply(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_ltk_req_neg_reply *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_ltk_req_neg_reply *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_start_enc_req_send(handle, BT_HCI_ERR_PIN_OR_KEY_MISSING,
  				       NULL);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_le16_to_cpu(handle);
  }
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_PERIPHERAL_ISO)
  static void le_accept_cis(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_accept_cis *cmd = (void *)buf->data;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_cis_accept(handle);
  	*evt = cmd_status(status);
  }
  
  static void le_reject_cis(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_reject_cis *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_reject_cis *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_cis_reject(handle, cmd->reason);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_PERIPHERAL_ISO */
  
  #endif /* CONFIG_BT_PERIPHERAL */
  
  #if defined(CONFIG_BT_CONN)
  #if defined(CONFIG_BT_CENTRAL) || defined(CONFIG_BT_CTLR_PER_INIT_FEAT_XCHG)
  static void le_read_remote_features(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_remote_features *cmd = (void *)buf->data;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_feature_req_send(handle);
  
  	*evt = cmd_status(status);
  }
  #endif /* CONFIG_BT_CENTRAL || CONFIG_BT_CTLR_PER_INIT_FEAT_XCHG */
  
  static void le_read_chan_map(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_chan_map *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_chan_map *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	status = ll_chm_get(handle, rp->ch_map);
  
  	rp->status = status;
  	rp->handle = sys_le16_to_cpu(handle);
  }
  
  static void le_conn_update(struct net_buf *buf, struct net_buf **evt)
  {
  	struct hci_cp_le_conn_update *cmd = (void *)buf->data;
  	uint16_t supervision_timeout;
  	uint16_t conn_interval_min;
  	uint16_t conn_interval_max;
  	uint16_t conn_latency;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	conn_interval_min = sys_le16_to_cpu(cmd->conn_interval_min);
  	conn_interval_max = sys_le16_to_cpu(cmd->conn_interval_max);
  	conn_latency = sys_le16_to_cpu(cmd->conn_latency);
  	supervision_timeout = sys_le16_to_cpu(cmd->supervision_timeout);
  
  	status = ll_conn_update(handle, 0, 0, conn_interval_min,
  				conn_interval_max, conn_latency,
  				supervision_timeout);
  
  	*evt = cmd_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
  static void le_conn_param_req_reply(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_conn_param_req_reply *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_conn_param_req_reply *rp;
  	uint16_t interval_min;
  	uint16_t interval_max;
  	uint16_t latency;
  	uint16_t timeout;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	interval_min = sys_le16_to_cpu(cmd->interval_min);
  	interval_max = sys_le16_to_cpu(cmd->interval_max);
  	latency = sys_le16_to_cpu(cmd->latency);
  	timeout = sys_le16_to_cpu(cmd->timeout);
  
  	status = ll_conn_update(handle, 2, 0, interval_min, interval_max,
  				latency, timeout);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_conn_param_req_neg_reply(struct net_buf *buf,
  					struct net_buf **evt)
  {
  	struct bt_hci_cp_le_conn_param_req_neg_reply *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_conn_param_req_neg_reply *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	status = ll_conn_update(handle, 2, cmd->reason, 0, 0, 0, 0);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
  
  #if defined(CONFIG_BT_CTLR_DATA_LENGTH)
  static void le_set_data_len(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_data_len *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_data_len *rp;
  	uint16_t tx_octets;
  	uint16_t tx_time;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	tx_octets = sys_le16_to_cpu(cmd->tx_octets);
  	tx_time = sys_le16_to_cpu(cmd->tx_time);
  	status = ll_length_req_send(handle, tx_octets, tx_time);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void le_read_default_data_len(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_default_data_len *rp;
  	uint16_t max_tx_octets;
  	uint16_t max_tx_time;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	ll_length_default_get(&max_tx_octets, &max_tx_time);
  
  	rp->max_tx_octets = sys_cpu_to_le16(max_tx_octets);
  	rp->max_tx_time = sys_cpu_to_le16(max_tx_time);
  	rp->status = 0x00;
  }
  
  static void le_write_default_data_len(struct net_buf *buf,
  				      struct net_buf **evt)
  {
  	struct bt_hci_cp_le_write_default_data_len *cmd = (void *)buf->data;
  	uint16_t max_tx_octets;
  	uint16_t max_tx_time;
  	uint8_t status;
  
  	max_tx_octets = sys_le16_to_cpu(cmd->max_tx_octets);
  	max_tx_time = sys_le16_to_cpu(cmd->max_tx_time);
  	status = ll_length_default_set(max_tx_octets, max_tx_time);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_read_max_data_len(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_max_data_len *rp;
  	uint16_t max_tx_octets;
  	uint16_t max_tx_time;
  	uint16_t max_rx_octets;
  	uint16_t max_rx_time;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	ll_length_max_get(&max_tx_octets, &max_tx_time,
  			  &max_rx_octets, &max_rx_time);
  
  	rp->max_tx_octets = sys_cpu_to_le16(max_tx_octets);
  	rp->max_tx_time = sys_cpu_to_le16(max_tx_time);
  	rp->max_rx_octets = sys_cpu_to_le16(max_rx_octets);
  	rp->max_rx_time = sys_cpu_to_le16(max_rx_time);
  	rp->status = 0x00;
  }
  #endif /* CONFIG_BT_CTLR_DATA_LENGTH */
  
  #if defined(CONFIG_BT_CTLR_PHY)
  static void le_read_phy(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_phy *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_phy *rp;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	status = ll_phy_get(handle, &rp->tx_phy, &rp->rx_phy);
  
  	rp->status = status;
  	rp->handle = sys_cpu_to_le16(handle);
  	rp->tx_phy = find_lsb_set(rp->tx_phy);
  	rp->rx_phy = find_lsb_set(rp->rx_phy);
  }
  
  static void le_set_default_phy(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_default_phy *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (cmd->all_phys & BT_HCI_LE_PHY_TX_ANY) {
  		cmd->tx_phys = 0x07;
  	}
  	if (cmd->all_phys & BT_HCI_LE_PHY_RX_ANY) {
  		cmd->rx_phys = 0x07;
  	}
  
  	status = ll_phy_default_set(cmd->tx_phys, cmd->rx_phys);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_phy(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_phy *cmd = (void *)buf->data;
  	uint16_t phy_opts;
  	uint8_t mask_phys;
  	uint16_t handle;
  	uint8_t status;
  
  	handle = sys_le16_to_cpu(cmd->handle);
  	phy_opts = sys_le16_to_cpu(cmd->phy_opts);
  
  	mask_phys = BT_HCI_LE_PHY_PREFER_1M;
  	if (IS_ENABLED(CONFIG_BT_CTLR_PHY_2M)) {
  		mask_phys |= BT_HCI_LE_PHY_PREFER_2M;
  	}
  	if (IS_ENABLED(CONFIG_BT_CTLR_PHY_CODED)) {
  		mask_phys |= BT_HCI_LE_PHY_PREFER_CODED;
  	}
  
  	if (cmd->all_phys & BT_HCI_LE_PHY_TX_ANY) {
  		cmd->tx_phys |= mask_phys;
  	}
  	if (cmd->all_phys & BT_HCI_LE_PHY_RX_ANY) {
  		cmd->rx_phys |= mask_phys;
  	}
  
  	if ((cmd->tx_phys | cmd->rx_phys) & ~mask_phys) {
  		*evt = cmd_status(BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL);
  
  		return;
  	}
  
  	if (!(cmd->tx_phys & 0x07) ||
  	    !(cmd->rx_phys & 0x07)) {
  		*evt = cmd_status(BT_HCI_ERR_INVALID_PARAM);
  
  		return;
  	}
  
  	if (phy_opts & 0x03) {
  		phy_opts -= 1U;
  		phy_opts &= 1;
  	} else {
  		phy_opts = 0U;
  	}
  
  	status = ll_phy_req_send(handle, cmd->tx_phys, phy_opts,
  				 cmd->rx_phys);
  
  	*evt = cmd_status(status);
  }
  #endif /* CONFIG_BT_CTLR_PHY */
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  static void le_add_dev_to_rl(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_add_dev_to_rl *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_rl_add(&cmd->peer_id_addr, cmd->peer_irk, cmd->local_irk);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_rem_dev_from_rl(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_rem_dev_from_rl *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_rl_remove(&cmd->peer_id_addr);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_clear_rl(struct net_buf *buf, struct net_buf **evt)
  {
  	uint8_t status;
  
  	status = ll_rl_clear();
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_read_rl_size(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_rl_size *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->rl_size = ll_rl_size_get();
  	rp->status = 0x00;
  }
  
  static void le_read_peer_rpa(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_peer_rpa *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_peer_rpa *rp;
  	bt_addr_le_t peer_id_addr;
  
  	bt_addr_le_copy(&peer_id_addr, &cmd->peer_id_addr);
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = ll_rl_crpa_get(&peer_id_addr, &rp->peer_rpa);
  }
  
  static void le_read_local_rpa(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_read_local_rpa *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_read_local_rpa *rp;
  	bt_addr_le_t peer_id_addr;
  
  	bt_addr_le_copy(&peer_id_addr, &cmd->peer_id_addr);
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = ll_rl_lrpa_get(&peer_id_addr, &rp->local_rpa);
  }
  
  static void le_set_addr_res_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_addr_res_enable *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_rl_enable(cmd->enable);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_rpa_timeout(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_rpa_timeout *cmd = (void *)buf->data;
  	uint16_t timeout = sys_le16_to_cpu(cmd->rpa_timeout);
  
  	ll_rl_timeout_set(timeout);
  
  	*evt = cmd_complete_status(0x00);
  }
  
  static void le_set_privacy_mode(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_privacy_mode *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_priv_mode_set(&cmd->id_addr, cmd->mode);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  static void le_read_tx_power(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_tx_power *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = 0x00;
  	ll_tx_pwr_get(&rp->min_tx_power, &rp->max_tx_power);
  }
  
  #if defined(CONFIG_BT_CTLR_DF)
  #if defined(CONFIG_BT_CTLR_DF_ADV_CTE_TX)
  static void le_df_set_cl_cte_tx_params(struct net_buf *buf,
  				       struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_cl_cte_tx_params *cmd = (void *)buf->data;
  	uint8_t adv_handle;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &adv_handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_df_set_cl_cte_tx_params(adv_handle, cmd->cte_len,
  					    cmd->cte_type, cmd->cte_count,
  					    cmd->switch_pattern_len,
  					    cmd->ant_ids);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_df_set_cl_cte_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_cl_cte_tx_enable *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_df_set_cl_cte_tx_enable(handle, cmd->cte_enable);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_DF_ADV_CTE_TX */
  
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  static void le_df_set_cl_iq_sampling_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_cl_cte_sampling_enable *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_cl_cte_sampling_enable *rp;
  	uint16_t sync_handle;
  	uint8_t status;
  
  	sync_handle = sys_le16_to_cpu(cmd->sync_handle);
  
  	status = ll_df_set_cl_iq_sampling_enable(sync_handle,
  						 cmd->sampling_enable,
  						 cmd->slot_durations,
  						 cmd->max_sampled_cte,
  						 cmd->switch_pattern_len,
  						 cmd->ant_ids);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = status;
  	rp->sync_handle = sys_cpu_to_le16(sync_handle);
  }
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX) || defined(CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT)
  static void le_df_connectionless_iq_report(struct pdu_data *pdu_rx,
  					   struct node_rx_pdu *node_rx,
  					   struct net_buf *buf)
  {
  	struct bt_hci_evt_le_connectionless_iq_report *sep;
  	struct node_rx_iq_report *iq_report;
  	struct lll_sync *lll;
  	uint8_t samples_cnt;
  	int16_t rssi;
  	uint16_t sync_handle;
  	uint16_t per_evt_counter;
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  	struct ll_sync_set *sync = NULL;
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  
  	iq_report =  (struct node_rx_iq_report *)node_rx;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CONNECTIONLESS_IQ_REPORT)) {
  		return;
  	}
  
  	lll = iq_report->hdr.rx_ftr.param;
  
  	/* If there is not LLL context and CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT is enabled
  	 * the controller is in the Direct Test Mode and may generate
  	 * the Connectionless IQ Report.
  	 */
  	if (!lll && IS_ENABLED(CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT)) {
  		/* Set sync_handle to 0x0FFF according to the BT Core 5.3 specification
  		 * Vol 4 7.7.65.21
  		 */
  		sync_handle = 0x0FFF;
  		/* Set periodic event counter to 0 since there is not periodic advertising train. */
  		per_evt_counter = 0;
  	}
  
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  	else {
  		sync = HDR_LLL2ULL(lll);
  
  		/* TX LL thread has higher priority than RX thread. It may happen that
  		 * host successfully disables CTE sampling in the meantime.
  		 * It should be verified here, to avoid reporting IQ samples after
  		 * the functionality was disabled or if sync was lost.
  		 */
  		if (ull_df_sync_cfg_is_not_enabled(&lll->df_cfg) ||
  		    !sync->timeout_reload) {
  			/* Drop further processing of the event. */
  			return;
  		}
  
  		/* Get the sync handle corresponding to the LLL context passed in the
  		 * node rx footer field.
  		 */
  		sync_handle = ull_sync_handle_get(sync);
  		per_evt_counter = lll->event_counter;
  	}
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  
  	/* If there are no IQ samples due to insufficient resources
  	 * HCI event should inform about it by storing single octet with
  	 * special I_sample and Q_sample data.
  	 */
  	samples_cnt = (!iq_report->sample_count ? 1 : iq_report->sample_count);
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CONNECTIONLESS_IQ_REPORT,
  		       (sizeof(*sep) +
  			(samples_cnt * sizeof(struct bt_hci_le_iq_sample))));
  
  	rssi = RSSI_DBM_TO_DECI_DBM(iq_report->hdr.rx_ftr.rssi);
  
  
  	sep->sync_handle = sys_cpu_to_le16(sync_handle);
  	sep->rssi = sys_cpu_to_le16(rssi);
  	sep->rssi_ant_id = iq_report->rssi_ant_id;
  	sep->cte_type = iq_report->cte_info.type;
  
  	sep->chan_idx = iq_report->chan_idx;
  	sep->per_evt_counter = sys_cpu_to_le16(per_evt_counter);
  
  	if (sep->cte_type == BT_HCI_LE_AOA_CTE) {
  		sep->slot_durations = iq_report->local_slot_durations;
  	} else if (sep->cte_type == BT_HCI_LE_AOD_CTE_1US) {
  		sep->slot_durations = BT_HCI_LE_ANTENNA_SWITCHING_SLOT_1US;
  	} else {
  		sep->slot_durations = BT_HCI_LE_ANTENNA_SWITCHING_SLOT_2US;
  	}
  
  	sep->packet_status = iq_report->packet_status;
  
  	if (iq_report->packet_status == BT_HCI_LE_CTE_INSUFFICIENT_RESOURCES) {
  		sep->sample[0].i = BT_HCI_LE_CTE_REPORT_NO_VALID_SAMPLE;
  		sep->sample[0].q = BT_HCI_LE_CTE_REPORT_NO_VALID_SAMPLE;
  		sep->sample_count = 0U;
  	} else {
  		for (uint8_t idx = 0U; idx < samples_cnt; ++idx) {
  			sep->sample[idx].i = IQ_CONVERT_12_TO_8_BIT(iq_report->sample[idx].i);
  			sep->sample[idx].q = IQ_CONVERT_12_TO_8_BIT(iq_report->sample[idx].q);
  		}
  
  		sep->sample_count = samples_cnt;
  	}
  }
  #endif /* defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX) || defined(CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT) */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_TX)
  static void le_df_set_conn_cte_tx_params(struct net_buf *buf,
  					 struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_conn_cte_tx_params *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_conn_cte_tx_params *rp;
  	uint16_t handle, handle_le16;
  	uint8_t status;
  
  	handle_le16 = cmd->handle;
  	handle = sys_le16_to_cpu(handle_le16);
  
  	status = ll_df_set_conn_cte_tx_params(handle, cmd->cte_types,
  					      cmd->switch_pattern_len,
  					      cmd->ant_ids);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = status;
  	rp->handle = handle_le16;
  }
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_TX */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RX)
  static void le_df_set_conn_cte_rx_params(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_conn_cte_rx_params *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_conn_cte_rx_params *rp;
  	uint16_t handle, handle_le16;
  	uint8_t status;
  
  	handle_le16 = cmd->handle;
  	handle = sys_le16_to_cpu(handle_le16);
  
  	status = ll_df_set_conn_cte_rx_params(handle, cmd->sampling_enable, cmd->slot_durations,
  					      cmd->switch_pattern_len, cmd->ant_ids);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = status;
  	rp->handle = handle_le16;
  }
  
  static void le_df_connection_iq_report(struct node_rx_pdu *node_rx, struct net_buf *buf)
  {
  	struct bt_hci_evt_le_connection_iq_report *sep;
  	struct node_rx_iq_report *iq_report;
  	struct lll_conn *lll;
  	uint8_t samples_cnt;
  	uint8_t phy_rx;
  	int16_t rssi;
  
  	iq_report = (struct node_rx_iq_report *)node_rx;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CONNECTION_IQ_REPORT)) {
  		return;
  	}
  
  	lll = iq_report->hdr.rx_ftr.param;
  
  #if defined(CONFIG_BT_CTLR_PHY)
  	phy_rx = lll->phy_rx;
  
  	/* Make sure the report is generated for connection on PHY UNCODED */
  	LL_ASSERT(phy_rx != PHY_CODED);
  #else
  	phy_rx = PHY_1M;
  #endif /* CONFIG_BT_CTLR_PHY */
  
  	/* TX LL thread has higher priority than RX thread. It may happen that host succefully
  	 * disables CTE sampling in the meantime. It should be verified here, to avoid reporing
  	 * IQ samples after the functionality was disabled.
  	 */
  	if (ull_df_conn_cfg_is_not_enabled(&lll->df_rx_cfg)) {
  		/* Dropp further processing of the event. */
  		return;
  	}
  
  	/* If there are no IQ samples due to insufficient resources HCI event should inform about
  	 * it by store single octet with special I_sample and Q_sample data.
  	 */
  	samples_cnt = MAX(1, iq_report->sample_count);
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CONNECTION_IQ_REPORT,
  		       (sizeof(*sep) + (samples_cnt * sizeof(struct bt_hci_le_iq_sample))));
  
  	rssi = RSSI_DBM_TO_DECI_DBM(iq_report->hdr.rx_ftr.rssi);
  
  	sep->conn_handle = sys_cpu_to_le16(iq_report->hdr.handle);
  	sep->rx_phy = phy_rx;
  	sep->rssi = sys_cpu_to_le16(rssi);
  	sep->rssi_ant_id = iq_report->rssi_ant_id;
  	sep->cte_type = iq_report->cte_info.type;
  
  	sep->data_chan_idx = iq_report->chan_idx;
  	sep->conn_evt_counter = sys_cpu_to_le16(lll->event_counter);
  
  	if (sep->cte_type == BT_HCI_LE_AOA_CTE) {
  		sep->slot_durations = iq_report->local_slot_durations;
  	} else if (sep->cte_type == BT_HCI_LE_AOD_CTE_1US) {
  		sep->slot_durations = BT_HCI_LE_ANTENNA_SWITCHING_SLOT_1US;
  	} else {
  		sep->slot_durations = BT_HCI_LE_ANTENNA_SWITCHING_SLOT_2US;
  	}
  
  	sep->packet_status = iq_report->packet_status;
  
  	if (iq_report->packet_status == BT_HCI_LE_CTE_INSUFFICIENT_RESOURCES) {
  		sep->sample[0].i = BT_HCI_LE_CTE_REPORT_NO_VALID_SAMPLE;
  		sep->sample[0].q = BT_HCI_LE_CTE_REPORT_NO_VALID_SAMPLE;
  		sep->sample_count = 0U;
  	} else {
  		for (uint8_t idx = 0U; idx < samples_cnt; ++idx) {
  			sep->sample[idx].i = IQ_CONVERT_12_TO_8_BIT(iq_report->sample[idx].i);
  			sep->sample[idx].q = IQ_CONVERT_12_TO_8_BIT(iq_report->sample[idx].q);
  		}
  		sep->sample_count = samples_cnt;
  	}
  }
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RX */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
  static void le_df_set_conn_cte_req_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_conn_cte_req_enable *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_conn_cte_req_enable *rp;
  	uint16_t handle, handle_le16;
  	uint8_t status;
  
  	handle_le16 = cmd->handle;
  	handle = sys_le16_to_cpu(handle_le16);
  
  	status = ll_df_set_conn_cte_req_enable(handle, cmd->enable,
  					       sys_le16_to_cpu(cmd->cte_request_interval),
  					       cmd->requested_cte_length, cmd->requested_cte_type);
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = status;
  	rp->handle = handle_le16;
  }
  
  static void le_df_cte_req_failed(uint8_t error_code, uint16_t handle, struct net_buf *buf)
  {
  	struct bt_hci_evt_le_cte_req_failed *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CTE_REQUEST_FAILED)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CTE_REQUEST_FAILED, sizeof(*sep));
  
  	sep->status = error_code;
  	sep->conn_handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RSP)
  static void le_df_set_conn_cte_rsp_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_conn_cte_rsp_enable *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_conn_cte_rsp_enable *rp;
  	uint16_t handle, handle_le16;
  	uint8_t status;
  
  	handle_le16 = cmd->handle;
  	handle = sys_le16_to_cpu(handle_le16);
  
  	status = ll_df_set_conn_cte_rsp_enable(handle, cmd->enable);
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = status;
  	rp->handle = handle_le16;
  }
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RSP */
  
  static void le_df_read_ant_inf(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_ant_info *rp;
  	uint8_t max_switch_pattern_len;
  	uint8_t switch_sample_rates;
  	uint8_t max_cte_len;
  	uint8_t num_ant;
  
  	ll_df_read_ant_inf(&switch_sample_rates, &num_ant,
  			   &max_switch_pattern_len, &max_cte_len);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->max_switch_pattern_len = max_switch_pattern_len;
  	rp->switch_sample_rates = switch_sample_rates;
  	rp->max_cte_len = max_cte_len;
  	rp->num_ant = num_ant;
  	rp->status = 0x00;
  }
  #endif /* CONFIG_BT_CTLR_DF */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI)
  static void le_rx_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_rx_test *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_test_rx(cmd->rx_ch, BT_HCI_LE_RX_PHY_1M, BT_HCI_LE_MOD_INDEX_STANDARD,
  			    BT_HCI_LE_TEST_CTE_DISABLED, BT_HCI_LE_TEST_CTE_TYPE_ANY,
  			    BT_HCI_LE_TEST_SLOT_DURATION_ANY, BT_HCI_LE_TEST_SWITCH_PATTERN_LEN_ANY,
  			    NULL);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_tx_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_tx_test *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_test_tx(cmd->tx_ch, cmd->test_data_len, cmd->pkt_payload,
  			    BT_HCI_LE_TX_PHY_1M, BT_HCI_LE_TEST_CTE_DISABLED,
  			    BT_HCI_LE_TEST_CTE_TYPE_ANY, BT_HCI_LE_TEST_SWITCH_PATTERN_LEN_ANY,
  			    NULL, BT_HCI_TX_TEST_POWER_MAX_SET);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_test_end(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_test_end *rp;
  	uint16_t rx_pkt_count;
  	uint8_t status;
  
  	status = ll_test_end(&rx_pkt_count);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->rx_pkt_count = sys_cpu_to_le16(rx_pkt_count);
  }
  
  static void le_enh_rx_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_enh_rx_test *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_test_rx(cmd->rx_ch, cmd->phy, cmd->mod_index, BT_HCI_LE_TEST_CTE_DISABLED,
  			    BT_HCI_LE_TEST_CTE_TYPE_ANY, BT_HCI_LE_TEST_SLOT_DURATION_ANY,
  			    BT_HCI_LE_TEST_SWITCH_PATTERN_LEN_ANY, NULL);
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_RX_V3)
  static void le_rx_test_v3(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_rx_test_v3 *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_test_rx(cmd->rx_ch, cmd->phy, cmd->mod_index, cmd->expected_cte_len,
  			    cmd->expected_cte_type, cmd->slot_durations, cmd->switch_pattern_len,
  			    cmd->ant_ids);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_DTM_HCI_RX_V3 */
  
  static void le_enh_tx_test(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_enh_tx_test *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_test_tx(cmd->tx_ch, cmd->test_data_len, cmd->pkt_payload, cmd->phy,
  			    BT_HCI_LE_TEST_CTE_DISABLED, BT_HCI_LE_TEST_CTE_TYPE_ANY,
  			    BT_HCI_LE_TEST_SWITCH_PATTERN_LEN_ANY, NULL,
  			    BT_HCI_TX_TEST_POWER_MAX_SET);
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_TX_V3)
  static void le_tx_test_v3(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_tx_test_v3 *cmd = (void *)buf->data;
  	uint8_t status;
  
  	status = ll_test_tx(cmd->tx_ch, cmd->test_data_len, cmd->pkt_payload, cmd->phy,
  			    cmd->cte_len, cmd->cte_type, cmd->switch_pattern_len, cmd->ant_ids,
  			    BT_HCI_TX_TEST_POWER_MAX_SET);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_DTM_HCI_TX_V3 */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_TX_V4)
  static void le_tx_test_v4(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_tx_test_v4 *cmd = (void *)buf->data;
  	struct bt_hci_cp_le_tx_test_v4_tx_power *tx_power = (void *)(buf->data +
  			sizeof(struct bt_hci_cp_le_tx_test_v4) + cmd->switch_pattern_len);
  	uint8_t status;
  
  	status = ll_test_tx(cmd->tx_ch, cmd->test_data_len, cmd->pkt_payload, cmd->phy,
  			    cmd->cte_len, cmd->cte_type, cmd->switch_pattern_len, cmd->ant_ids,
  			    tx_power->tx_power);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_DTM_HCI_TX_V4 */
  #endif /* CONFIG_BT_CTLR_DTM_HCI */
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  #if defined(CONFIG_BT_BROADCASTER)
  
  static void le_set_adv_set_random_addr(struct net_buf *buf,
  				       struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_adv_set_random_addr *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_adv_aux_random_addr_set(handle, &cmd->bdaddr.val[0]);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_ext_adv_param(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_ext_adv_param *cmd = (void *)buf->data;
  	struct bt_hci_rp_le_set_ext_adv_param *rp;
  	uint32_t min_interval;
  	uint16_t evt_prop;
  	uint8_t tx_pwr;
  	uint8_t status;
  	uint8_t phy_p;
  	uint8_t phy_s;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	if (cmd->handle > BT_HCI_LE_ADV_HANDLE_MAX) {
  		*evt = cmd_complete_status(BT_HCI_ERR_INVALID_PARAM);
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get_or_new(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	evt_prop = sys_le16_to_cpu(cmd->props);
  	min_interval = sys_get_le24(cmd->prim_min_interval);
  	tx_pwr = cmd->tx_power;
  	phy_p = BIT(cmd->prim_adv_phy - 1);
  	phy_s = BIT(cmd->sec_adv_phy - 1);
  
  	status = ll_adv_params_set(handle, evt_prop, min_interval,
  				   PDU_ADV_TYPE_EXT_IND, cmd->own_addr_type,
  				   cmd->peer_addr.type, cmd->peer_addr.a.val,
  				   cmd->prim_channel_map, cmd->filter_policy,
  				   &tx_pwr, phy_p, cmd->sec_adv_max_skip, phy_s,
  				   cmd->sid, cmd->scan_req_notify_enable);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->tx_power = tx_pwr;
  }
  
  static void le_set_ext_adv_data(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_ext_adv_data *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_adv_aux_ad_data_set(handle, cmd->op, cmd->frag_pref,
  					cmd->len, cmd->data);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_ext_scan_rsp_data(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_ext_scan_rsp_data *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_adv_aux_sr_data_set(handle, cmd->op, cmd->frag_pref,
  					cmd->len, cmd->data);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_ext_adv_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_ext_adv_enable *cmd = (void *)buf->data;
  	struct bt_hci_ext_adv_set *s;
  	uint8_t set_num;
  	uint8_t enable;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	set_num = cmd->set_num;
  	if (!set_num) {
  		if (cmd->enable) {
  			*evt = cmd_complete_status(BT_HCI_ERR_INVALID_PARAM);
  			return;
  		}
  
  		/* FIXME: Implement disable of all advertising sets */
  		*evt = cmd_complete_status(BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL);
  
  		return;
  	}
  
  	s = (void *) cmd->s;
  	enable = cmd->enable;
  	do {
  		status = ll_adv_set_by_hci_handle_get(s->handle, &handle);
  		if (status) {
  			break;
  		}
  
  		/* TODO: duration and events parameter use. */
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  		status = ll_adv_enable(handle, cmd->enable, 0, 0, 0, 0, 0);
  #else /* !CONFIG_BT_HCI_MESH_EXT */
  		status = ll_adv_enable(handle, cmd->enable,
  				       s->duration, s->max_ext_adv_evts);
  #endif /* !CONFIG_BT_HCI_MESH_EXT */
  		if (status) {
  			/* TODO: how to handle succeeded ones before this
  			 * error.
  			 */
  			break;
  		}
  
  		s++;
  	} while (--set_num);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_read_max_adv_data_len(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_max_adv_data_len *rp;
  	uint16_t max_adv_data_len;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	max_adv_data_len = ll_adv_aux_max_data_length_get();
  
  	rp->max_adv_data_len = sys_cpu_to_le16(max_adv_data_len);
  	rp->status = 0x00;
  }
  
  static void le_read_num_adv_sets(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_num_adv_sets *rp;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->num_sets = ll_adv_aux_set_count_get();
  	rp->status = 0x00;
  }
  
  static void le_remove_adv_set(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_remove_adv_set *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_adv_aux_set_remove(handle);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_clear_adv_sets(struct net_buf *buf, struct net_buf **evt)
  {
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_aux_set_clear();
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_ADV_PERIODIC)
  static void le_set_per_adv_param(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_per_adv_param *cmd = (void *)buf->data;
  	uint16_t interval;
  	uint16_t flags;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	interval = sys_le16_to_cpu(cmd->max_interval);
  	flags = sys_le16_to_cpu(cmd->props);
  
  	status = ll_adv_sync_param_set(handle, interval, flags);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_per_adv_data(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_per_adv_data *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_adv_sync_ad_data_set(handle, cmd->op, cmd->len,
  					 cmd->data);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_per_adv_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_per_adv_enable *cmd = (void *)buf->data;
  	uint8_t status;
  	uint8_t handle;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_adv_set_by_hci_handle_get(cmd->handle, &handle);
  	if (status) {
  		*evt = cmd_complete_status(status);
  		return;
  	}
  
  	status = ll_adv_sync_enable(handle, cmd->enable);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_ADV_PERIODIC */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_OBSERVER)
  static void le_set_ext_scan_param(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_ext_scan_param *cmd = (void *)buf->data;
  	struct bt_hci_ext_scan_phy *p;
  	uint8_t own_addr_type;
  	uint8_t filter_policy;
  	uint8_t phys_bitmask;
  	uint8_t status;
  	uint8_t phys;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	/* Number of bits set indicate scan sets to be configured by calling
  	 * ll_scan_params_set function.
  	 */
  	phys_bitmask = BT_HCI_LE_EXT_SCAN_PHY_1M;
  	if (IS_ENABLED(CONFIG_BT_CTLR_PHY_CODED)) {
  		phys_bitmask |= BT_HCI_LE_EXT_SCAN_PHY_CODED;
  	}
  
  	phys = cmd->phys;
  	if (IS_ENABLED(CONFIG_BT_CTLR_PARAM_CHECK) &&
  	    (phys > phys_bitmask)) {
  		*evt = cmd_complete_status(BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL);
  
  		return;
  	}
  
  	own_addr_type = cmd->own_addr_type;
  	filter_policy = cmd->filter_policy;
  	p = cmd->p;
  
  	/* Irrespective of enabled PHYs to scan for, ll_scan_params_set needs
  	 * to be called to initialise the scan sets.
  	 * Passing interval and window as 0, disable the particular scan set
  	 * from being enabled.
  	 */
  	do {
  		uint16_t interval;
  		uint16_t window;
  		uint8_t type;
  		uint8_t phy;
  
  		/* Get single PHY bit from the loop bitmask */
  		phy = BIT(find_lsb_set(phys_bitmask) - 1);
  
  		/* Pass the PHY (1M or Coded) of scan set in MSbits of type
  		 * parameter
  		 */
  		type = (phy << 1);
  
  		/* If current PHY is one of the PHY in the Scanning_PHYs,
  		 * pick the supplied scan type, interval and window.
  		 */
  		if (phys & phy) {
  			type |= (p->type & 0x01);
  			interval = sys_le16_to_cpu(p->interval);
  			window = sys_le16_to_cpu(p->window);
  			p++;
  		} else {
  			interval = 0U;
  			window = 0U;
  		}
  
  		status = ll_scan_params_set(type, interval, window,
  					    own_addr_type, filter_policy);
  		if (status) {
  			break;
  		}
  
  		phys_bitmask &= (phys_bitmask - 1);
  	} while (phys_bitmask);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_set_ext_scan_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_ext_scan_enable *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	/* Initialize duplicate filtering */
  	if (cmd->enable && cmd->filter_dup) {
  		if (0) {
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  		} else if (dup_count == DUP_FILTER_DISABLED) {
  			dup_scan = true;
  
  			/* All entries reset */
  			dup_count = 0;
  			dup_curr = 0U;
  		} else if (!dup_scan) {
  			dup_scan = true;
  			dup_ext_adv_reset();
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  
  		} else {
  			/* All entries reset */
  			dup_count = 0;
  			dup_curr = 0U;
  		}
  	} else {
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  		dup_scan = false;
  #else /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  		dup_count = DUP_FILTER_DISABLED;
  #endif /* !CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  	}
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  	status = ll_scan_enable(cmd->enable, cmd->duration, cmd->period);
  
  	/* NOTE: As filter duplicates is implemented here in HCI source code,
  	 *       enabling of already enabled scanning shall succeed after
  	 *       updates to filter duplicates is handled in the above
  	 *       statements. Refer to BT Spec v5.0 Vol 2 Part E Section 7.8.11.
  	 */
  	if (!IS_ENABLED(CONFIG_BT_CTLR_SCAN_ENABLE_STRICT) &&
  	    (status == BT_HCI_ERR_CMD_DISALLOWED)) {
  		status = BT_HCI_ERR_SUCCESS;
  	}
  
  	*evt = cmd_complete_status(status);
  }
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC)
  static void le_per_adv_create_sync(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_per_adv_create_sync *cmd = (void *)buf->data;
  	uint16_t sync_timeout;
  	uint8_t status;
  	uint16_t skip;
  
  	if (adv_cmds_ext_check(NULL)) {
  		*evt = cmd_status(BT_HCI_ERR_CMD_DISALLOWED);
  		return;
  	}
  
  	if (!IS_ENABLED(CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST) &&
  	    (cmd->options & BT_HCI_LE_PER_ADV_CREATE_SYNC_FP_USE_LIST)) {
  		*evt = cmd_status(BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL);
  		return;
  	}
  
  	if (!IS_ENABLED(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT) &&
  	    (cmd->options &
  	     (BT_HCI_LE_PER_ADV_CREATE_SYNC_FP_REPORTS_DISABLED |
  	      BT_HCI_LE_PER_ADV_CREATE_SYNC_FP_FILTER_DUPLICATE)) ==
  	    BT_HCI_LE_PER_ADV_CREATE_SYNC_FP_FILTER_DUPLICATE) {
  		*evt = cmd_status(BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL);
  		return;
  	}
  
  	/* FIXME: Check for HCI LE Set Periodic Advertising Receive Enable
  	 * command support and if reporting is initially disabled then
  	 * return error code Connection Failed to be Established /
  	 * Synchronization Timeout (0x3E).
  	 */
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	/* Initialize duplicate filtering */
  	if (cmd->options & BT_HCI_LE_PER_ADV_CREATE_SYNC_FP_FILTER_DUPLICATE) {
  		if (!dup_scan || (dup_count == DUP_FILTER_DISABLED)) {
  			dup_count = 0;
  			dup_curr = 0U;
  		} else {
  			/* NOTE: Invalidate dup_ext_adv_mode array entries is
  			 *       done when sync is established.
  			 */
  		}
  	} else if (!dup_scan) {
  		dup_count = DUP_FILTER_DISABLED;
  	}
  #endif
  
  	skip = sys_le16_to_cpu(cmd->skip);
  	sync_timeout = sys_le16_to_cpu(cmd->sync_timeout);
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_CTE_TYPE_FILTERING)
  	if ((cmd->cte_type & BT_HCI_LE_PER_ADV_CREATE_SYNC_CTE_TYPE_INVALID_VALUE) != 0) {
  		status = BT_HCI_ERR_CMD_DISALLOWED;
  #else
  	if (cmd->cte_type != BT_HCI_LE_PER_ADV_CREATE_SYNC_CTE_TYPE_NO_FILTERING) {
  		status = BT_HCI_ERR_INVALID_PARAM;
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_CTE_TYPE_FILTERING */
  	} else {
  		status = ll_sync_create(cmd->options, cmd->sid, cmd->addr.type, cmd->addr.a.val,
  					skip, sync_timeout, cmd->cte_type);
  	}
  	*evt = cmd_status(status);
  }
  
  static void le_per_adv_create_sync_cancel(struct net_buf *buf,
  					  struct net_buf **evt, void **node_rx)
  {
  	struct bt_hci_evt_cc_status *ccst;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_sync_create_cancel(node_rx);
  
  	ccst = hci_cmd_complete(evt, sizeof(*ccst));
  	ccst->status = status;
  }
  
  static void le_per_adv_terminate_sync(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_per_adv_terminate_sync *cmd = (void *)buf->data;
  	struct bt_hci_evt_cc_status *ccst;
  	uint16_t handle;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	status = ll_sync_terminate(handle);
  
  	ccst = hci_cmd_complete(evt, sizeof(*ccst));
  	ccst->status = status;
  }
  
  static void le_per_adv_recv_enable(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_set_per_adv_recv_enable *cmd = (void *)buf->data;
  	struct bt_hci_evt_cc_status *ccst;
  	uint16_t handle;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	status = ll_sync_recv_enable(handle, cmd->enable);
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	if (!status) {
  		if (cmd->enable &
  		    BT_HCI_LE_SET_PER_ADV_RECV_ENABLE_FILTER_DUPLICATE) {
  			if (!dup_scan || (dup_count == DUP_FILTER_DISABLED)) {
  				dup_count = 0;
  				dup_curr = 0U;
  			} else {
  				/* NOTE: Invalidate dup_ext_adv_mode array
  				 *       entries is done when sync is
  				 *       established.
  				 */
  			}
  		} else if (!dup_scan) {
  			dup_count = DUP_FILTER_DISABLED;
  		}
  	}
  #endif
  
  	ccst = hci_cmd_complete(evt, sizeof(*ccst));
  	ccst->status = status;
  }
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST)
  static void le_add_dev_to_pal(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_add_dev_to_per_adv_list *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_pal_add(&cmd->addr, cmd->sid);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_rem_dev_from_pal(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_rem_dev_from_per_adv_list *cmd = (void *)buf->data;
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_pal_remove(&cmd->addr, cmd->sid);
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_clear_pal(struct net_buf *buf, struct net_buf **evt)
  {
  	uint8_t status;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	status = ll_pal_clear();
  
  	*evt = cmd_complete_status(status);
  }
  
  static void le_read_pal_size(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_le_read_per_adv_list_size *rp;
  
  	if (adv_cmds_ext_check(evt)) {
  		return;
  	}
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = 0x00;
  
  	rp->list_size = ll_pal_size_get();
  }
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST */
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_CENTRAL)
  static void le_ext_create_connection(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_le_ext_create_conn *cmd = (void *)buf->data;
  	struct bt_hci_ext_conn_phy *p;
  	uint8_t peer_addr_type;
  	uint8_t own_addr_type;
  	uint8_t filter_policy;
  	uint8_t phys_bitmask;
  	uint8_t *peer_addr;
  	uint8_t status;
  	uint8_t phys;
  
  	if (adv_cmds_ext_check(NULL)) {
  		*evt = cmd_status(BT_HCI_ERR_CMD_DISALLOWED);
  		return;
  	}
  
  	/* Number of bits set indicate scan sets to be configured by calling
  	 * ll_create_connection function.
  	 */
  	phys_bitmask = BT_HCI_LE_EXT_SCAN_PHY_1M;
  	if (IS_ENABLED(CONFIG_BT_CTLR_PHY_CODED)) {
  		phys_bitmask |= BT_HCI_LE_EXT_SCAN_PHY_CODED;
  	}
  
  	phys = cmd->phys;
  	if (IS_ENABLED(CONFIG_BT_CTLR_PARAM_CHECK) &&
  	    (phys > phys_bitmask)) {
  		*evt = cmd_status(BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL);
  
  		return;
  	}
  
  	filter_policy = cmd->filter_policy;
  	own_addr_type = cmd->own_addr_type;
  	peer_addr_type = cmd->peer_addr.type;
  	peer_addr = cmd->peer_addr.a.val;
  	p = cmd->p;
  
  	do {
  		uint16_t supervision_timeout;
  		uint16_t conn_interval_max;
  		uint16_t scan_interval;
  		uint16_t conn_latency;
  		uint16_t scan_window;
  		uint8_t phy;
  
  		phy = BIT(find_lsb_set(phys_bitmask) - 1);
  
  		if (phys & phy) {
  			scan_interval = sys_le16_to_cpu(p->scan_interval);
  			scan_window = sys_le16_to_cpu(p->scan_window);
  			conn_interval_max =
  				sys_le16_to_cpu(p->conn_interval_max);
  			conn_latency = sys_le16_to_cpu(p->conn_latency);
  			supervision_timeout =
  				sys_le16_to_cpu(p->supervision_timeout);
  
  			if (IS_ENABLED(CONFIG_BT_CTLR_PARAM_CHECK)) {
  				status = check_cconn_params(true, scan_interval,
  							    scan_window,
  							    conn_interval_max,
  							    conn_latency,
  							    supervision_timeout);
  				if (status) {
  					*evt = cmd_status(status);
  					return;
  				}
  			}
  
  			status = ll_create_connection(scan_interval,
  						      scan_window,
  						      filter_policy,
  						      peer_addr_type,
  						      peer_addr,
  						      own_addr_type,
  						      conn_interval_max,
  						      conn_latency,
  						      supervision_timeout,
  						      phy);
  			p++;
  		} else {
  			uint8_t type;
  
  			type = (phy << 1);
  			/* NOTE: Pass invalid interval value to not start
  			 *       scanning using this scan instance.
  			 */
  			status = ll_scan_params_set(type, 0, 0, 0, 0);
  		}
  
  		if (status) {
  			*evt = cmd_status(status);
  			return;
  		}
  
  		phys_bitmask &= (phys_bitmask - 1);
  	} while (phys_bitmask);
  
  	status = ll_connect_enable(phys & BT_HCI_LE_EXT_SCAN_PHY_CODED);
  
  	*evt = cmd_status(status);
  }
  #endif /* CONFIG_BT_CENTRAL */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  #if defined(CONFIG_BT_CTLR_PERIPHERAL_ISO)
  static void le_cis_request(struct pdu_data *pdu_data,
  			   struct node_rx_pdu *node_rx,
  			   struct net_buf *buf)
  {
  	struct bt_hci_evt_le_cis_req *sep;
  	struct node_rx_conn_iso_req *req;
  	void *node;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CIS_REQ)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CIS_REQ, sizeof(*sep));
  	sep->acl_handle = sys_cpu_to_le16(node_rx->hdr.handle);
  
  	/* Check for pdu field being aligned before accessing CIS established
  	 * event.
  	 */
  	node = pdu_data;
  	LL_ASSERT(IS_PTR_ALIGNED(node, struct node_rx_conn_iso_estab));
  
  	req = node;
  	sep->cis_handle = sys_cpu_to_le16(req->cis_handle);
  	sep->cig_id = req->cig_id;
  	sep->cis_id = req->cis_id;
  }
  #endif /* CONFIG_BT_CTLR_PERIPHERAL_ISO */
  
  #if defined(CONFIG_BT_CTLR_CONN_ISO)
  static void le_cis_established(struct pdu_data *pdu_data,
  			       struct node_rx_pdu *node_rx,
  			       struct net_buf *buf)
  {
  	struct lll_conn_iso_stream_rxtx *lll_cis_c;
  	struct lll_conn_iso_stream_rxtx *lll_cis_p;
  	struct bt_hci_evt_le_cis_established *sep;
  	struct lll_conn_iso_stream *lll_cis;
  	struct node_rx_conn_iso_estab *est;
  	struct ll_conn_iso_stream *cis;
  	struct ll_conn_iso_group *cig;
  	bool is_central;
  	void *node;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CIS_ESTABLISHED)) {
  		return;
  	}
  
  	cis = node_rx->hdr.rx_ftr.param;
  	cig = cis->group;
  	lll_cis = &cis->lll;
  	is_central = cig->lll.role == BT_CONN_ROLE_CENTRAL;
  	lll_cis_c = is_central ? &lll_cis->tx : &lll_cis->rx;
  	lll_cis_p = is_central ? &lll_cis->rx : &lll_cis->tx;
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CIS_ESTABLISHED, sizeof(*sep));
  
  	/* Check for pdu field being aligned before accessing CIS established
  	 * event.
  	 */
  	node = pdu_data;
  	LL_ASSERT(IS_PTR_ALIGNED(node, struct node_rx_conn_iso_estab));
  
  	est = node;
  	sep->status = est->status;
  	sep->conn_handle = sys_cpu_to_le16(est->cis_handle);
  	sys_put_le24(cig->sync_delay, sep->cig_sync_delay);
  	sys_put_le24(cis->sync_delay, sep->cis_sync_delay);
  	sys_put_le24(cig->c_latency, sep->c_latency);
  	sys_put_le24(cig->p_latency, sep->p_latency);
  	sep->c_phy = lll_cis_c->phy;
  	sep->p_phy = lll_cis_p->phy;
  	sep->nse = lll_cis->num_subevents;
  	sep->c_bn = lll_cis_c->burst_number;
  	sep->p_bn = lll_cis_p->burst_number;
  	sep->c_ft = lll_cis_c->flush_timeout;
  	sep->p_ft = lll_cis_p->flush_timeout;
  	sep->c_max_pdu = sys_cpu_to_le16(lll_cis_c->max_octets);
  	sep->p_max_pdu = sys_cpu_to_le16(lll_cis_p->max_octets);
  	sep->interval = sys_cpu_to_le16(cig->iso_interval);
  
  #if defined(CONFIG_BT_CTLR_CENTRAL_ISO)
  	if (is_central) {
  		cis_pending_count--;
  	}
  #endif /* CONFIG_BT_CTLR_CENTRAL_ISO */
  }
  #endif /* CONFIG_BT_CTLR_CONN_ISO */
  
  static int controller_cmd_handle(uint16_t  ocf, struct net_buf *cmd,
  				 struct net_buf **evt, void **node_rx)
  {
  	switch (ocf) {
  	case BT_OCF(BT_HCI_OP_LE_SET_EVENT_MASK):
  		le_set_event_mask(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_BUFFER_SIZE):
  		le_read_buffer_size(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  	case BT_OCF(BT_HCI_OP_LE_READ_BUFFER_SIZE_V2):
  		le_read_buffer_size_v2(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  	case BT_OCF(BT_HCI_OP_LE_READ_LOCAL_FEATURES):
  		le_read_local_features(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_RANDOM_ADDRESS):
  		le_set_random_address(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_FILTER_ACCEPT_LIST)
  	case BT_OCF(BT_HCI_OP_LE_READ_FAL_SIZE):
  		le_read_fal_size(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_CLEAR_FAL):
  		le_clear_fal(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_ADD_DEV_TO_FAL):
  		le_add_dev_to_fal(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_REM_DEV_FROM_FAL):
  		le_rem_dev_from_fal(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_FILTER_ACCEPT_LIST */
  
  	case BT_OCF(BT_HCI_OP_LE_ENCRYPT):
  		le_encrypt(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_RAND):
  		le_rand(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_SUPP_STATES):
  		le_read_supp_states(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_BROADCASTER)
  	case BT_OCF(BT_HCI_OP_LE_SET_ADV_PARAM):
  		le_set_adv_param(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_ADV_CHAN_TX_POWER):
  		le_read_adv_chan_tx_power(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_ADV_DATA):
  		le_set_adv_data(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_SCAN_RSP_DATA):
  		le_set_scan_rsp_data(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_ADV_ENABLE):
  		le_set_adv_enable(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO)
  	case BT_OCF(BT_HCI_OP_LE_CREATE_BIG):
  		le_create_big(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_CREATE_BIG_TEST):
  		le_create_big_test(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_TERMINATE_BIG):
  		le_terminate_big(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_ADV_ISO */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_OBSERVER)
  	case BT_OCF(BT_HCI_OP_LE_SET_SCAN_PARAM):
  		le_set_scan_param(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_SCAN_ENABLE):
  		le_set_scan_enable(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO)
  	case BT_OCF(BT_HCI_OP_LE_BIG_CREATE_SYNC):
  		le_big_create_sync(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_BIG_TERMINATE_SYNC):
  		le_big_terminate_sync(cmd, evt, node_rx);
  		break;
  #endif /* CONFIG_BT_CTLR_SYNC_ISO */
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_CENTRAL)
  	case BT_OCF(BT_HCI_OP_LE_CREATE_CONN):
  		le_create_connection(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_CREATE_CONN_CANCEL):
  		le_create_conn_cancel(cmd, evt, node_rx);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_HOST_CHAN_CLASSIF):
  		le_set_host_chan_classif(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	case BT_OCF(BT_HCI_OP_LE_START_ENCRYPTION):
  		le_start_encryption(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_CENTRAL_ISO)
  	case BT_OCF(BT_HCI_OP_LE_SET_CIG_PARAMS):
  		le_set_cig_parameters(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_SET_CIG_PARAMS_TEST):
  		le_set_cig_params_test(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_CREATE_CIS):
  		le_create_cis(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_REMOVE_CIG):
  		le_remove_cig(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_CENTRAL_ISO */
  #endif /* CONFIG_BT_CENTRAL */
  
  #if defined(CONFIG_BT_PERIPHERAL)
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	case BT_OCF(BT_HCI_OP_LE_LTK_REQ_REPLY):
  		le_ltk_req_reply(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_LTK_REQ_NEG_REPLY):
  		le_ltk_req_neg_reply(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_PERIPHERAL_ISO)
  	case BT_OCF(BT_HCI_OP_LE_ACCEPT_CIS):
  		le_accept_cis(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_REJECT_CIS):
  		le_reject_cis(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_PERIPHERAL_ISO */
  #endif /* CONFIG_BT_PERIPHERAL */
  
  #if defined(CONFIG_BT_CTLR_ISO)
  	case BT_OCF(BT_HCI_OP_LE_SETUP_ISO_PATH):
  		le_setup_iso_path(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_REMOVE_ISO_PATH):
  		le_remove_iso_path(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_ISO_TEST_END):
  		le_iso_test_end(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_ISO */
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  	case BT_OCF(BT_HCI_OP_LE_ISO_TRANSMIT_TEST):
  		le_iso_transmit_test(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_READ_ISO_TX_SYNC):
  		le_read_iso_tx_sync(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  	case BT_OCF(BT_HCI_OP_LE_ISO_RECEIVE_TEST):
  		le_iso_receive_test(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_ISO_READ_TEST_COUNTERS):
  		le_iso_read_test_counters(cmd, evt);
  		break;
  #if defined(CONFIG_BT_CTLR_READ_ISO_LINK_QUALITY)
  	case BT_OCF(BT_HCI_OP_LE_READ_ISO_LINK_QUALITY):
  		le_read_iso_link_quality(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_READ_ISO_LINK_QUALITY */
  #endif /* CONFIG_BT_CTLR_SYNC_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_SET_HOST_FEATURE)
  	case BT_OCF(BT_HCI_OP_LE_SET_HOST_FEATURE):
  		le_set_host_feature(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_SET_HOST_FEATURE */
  
  #if defined(CONFIG_BT_CONN)
  	case BT_OCF(BT_HCI_OP_LE_READ_CHAN_MAP):
  		le_read_chan_map(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CENTRAL) || defined(CONFIG_BT_CTLR_PER_INIT_FEAT_XCHG)
  	case BT_OCF(BT_HCI_OP_LE_READ_REMOTE_FEATURES):
  		le_read_remote_features(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CENTRAL || CONFIG_BT_CTLR_PER_INIT_FEAT_XCHG */
  
  	case BT_OCF(BT_HCI_OP_LE_CONN_UPDATE):
  		le_conn_update(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
  	case BT_OCF(BT_HCI_OP_LE_CONN_PARAM_REQ_REPLY):
  		le_conn_param_req_reply(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY):
  		le_conn_param_req_neg_reply(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
  
  #if defined(CONFIG_BT_CTLR_DATA_LENGTH)
  	case BT_OCF(BT_HCI_OP_LE_SET_DATA_LEN):
  		le_set_data_len(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_DEFAULT_DATA_LEN):
  		le_read_default_data_len(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_WRITE_DEFAULT_DATA_LEN):
  		le_write_default_data_len(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_MAX_DATA_LEN):
  		le_read_max_data_len(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DATA_LENGTH */
  
  #if defined(CONFIG_BT_CTLR_PHY)
  	case BT_OCF(BT_HCI_OP_LE_READ_PHY):
  		le_read_phy(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_DEFAULT_PHY):
  		le_set_default_phy(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_PHY):
  		le_set_phy(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_PHY */
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  #if defined(CONFIG_BT_BROADCASTER)
  	case BT_OCF(BT_HCI_OP_LE_SET_ADV_SET_RANDOM_ADDR):
  		le_set_adv_set_random_addr(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_EXT_ADV_PARAM):
  		le_set_ext_adv_param(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_EXT_ADV_DATA):
  		le_set_ext_adv_data(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_EXT_SCAN_RSP_DATA):
  		le_set_ext_scan_rsp_data(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_EXT_ADV_ENABLE):
  		le_set_ext_adv_enable(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_MAX_ADV_DATA_LEN):
  		le_read_max_adv_data_len(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_NUM_ADV_SETS):
  		le_read_num_adv_sets(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_REMOVE_ADV_SET):
  		le_remove_adv_set(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_CLEAR_ADV_SETS):
  		le_clear_adv_sets(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_ADV_PERIODIC)
  	case BT_OCF(BT_HCI_OP_LE_SET_PER_ADV_PARAM):
  		le_set_per_adv_param(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_PER_ADV_DATA):
  		le_set_per_adv_data(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_PER_ADV_ENABLE):
  		le_set_per_adv_enable(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_ADV_PERIODIC */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_OBSERVER)
  	case BT_OCF(BT_HCI_OP_LE_SET_EXT_SCAN_PARAM):
  		le_set_ext_scan_param(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_EXT_SCAN_ENABLE):
  		le_set_ext_scan_enable(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC)
  	case BT_OCF(BT_HCI_OP_LE_PER_ADV_CREATE_SYNC):
  		le_per_adv_create_sync(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_PER_ADV_CREATE_SYNC_CANCEL):
  		le_per_adv_create_sync_cancel(cmd, evt, node_rx);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_PER_ADV_TERMINATE_SYNC):
  		le_per_adv_terminate_sync(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_SET_PER_ADV_RECV_ENABLE):
  		le_per_adv_recv_enable(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST)
  	case BT_OCF(BT_HCI_OP_LE_ADD_DEV_TO_PER_ADV_LIST):
  		le_add_dev_to_pal(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_REM_DEV_FROM_PER_ADV_LIST):
  		le_rem_dev_from_pal(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_CLEAR_PER_ADV_LIST):
  		le_clear_pal(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_LE_READ_PER_ADV_LIST_SIZE):
  		le_read_pal_size(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST */
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_CONN)
  #if defined(CONFIG_BT_CENTRAL)
  	case BT_OCF(BT_HCI_OP_LE_EXT_CREATE_CONN):
  		le_ext_create_connection(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CENTRAL */
  #endif /* CONFIG_BT_CONN */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	case BT_OCF(BT_HCI_OP_LE_ADD_DEV_TO_RL):
  		le_add_dev_to_rl(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_REM_DEV_FROM_RL):
  		le_rem_dev_from_rl(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_CLEAR_RL):
  		le_clear_rl(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_READ_RL_SIZE):
  		le_read_rl_size(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_READ_PEER_RPA):
  		le_read_peer_rpa(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_READ_LOCAL_RPA):
  		le_read_local_rpa(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_SET_ADDR_RES_ENABLE):
  		le_set_addr_res_enable(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_SET_RPA_TIMEOUT):
  		le_set_rpa_timeout(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_SET_PRIVACY_MODE):
  		le_set_privacy_mode(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  	case BT_OCF(BT_HCI_OP_LE_READ_TX_POWER):
  		le_read_tx_power(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_DF)
  #if defined(CONFIG_BT_CTLR_DF_ADV_CTE_TX)
  	case BT_OCF(BT_HCI_OP_LE_SET_CL_CTE_TX_PARAMS):
  		le_df_set_cl_cte_tx_params(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_SET_CL_CTE_TX_ENABLE):
  		le_df_set_cl_cte_enable(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_ADV_CTE_TX */
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  	case BT_OCF(BT_HCI_OP_LE_SET_CL_CTE_SAMPLING_ENABLE):
  		le_df_set_cl_iq_sampling_enable(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  	case BT_OCF(BT_HCI_OP_LE_READ_ANT_INFO):
  		le_df_read_ant_inf(cmd, evt);
  		break;
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_TX)
  	case BT_OCF(BT_HCI_OP_LE_SET_CONN_CTE_TX_PARAMS):
  		le_df_set_conn_cte_tx_params(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_TX */
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RX)
  	case BT_OCF(BT_HCI_OP_LE_SET_CONN_CTE_RX_PARAMS):
  		le_df_set_conn_cte_rx_params(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RX */
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
  	case BT_OCF(BT_HCI_OP_LE_CONN_CTE_REQ_ENABLE):
  		le_df_set_conn_cte_req_enable(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RSP)
  	case BT_OCF(BT_HCI_OP_LE_CONN_CTE_RSP_ENABLE):
  		le_df_set_conn_cte_rsp_enable(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RSP */
  #endif /* CONFIG_BT_CTLR_DF */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI)
  	case BT_OCF(BT_HCI_OP_LE_RX_TEST):
  		le_rx_test(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_TX_TEST):
  		le_tx_test(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_TEST_END):
  		le_test_end(cmd, evt);
  		break;
  	case BT_OCF(BT_HCI_OP_LE_ENH_RX_TEST):
  		le_enh_rx_test(cmd, evt);
  		break;
  #if defined(CONFIG_BT_CTLR_DTM_HCI_RX_V3)
  	case BT_OCF(BT_HCI_OP_LE_RX_TEST_V3):
  		le_rx_test_v3(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DTM_HCI_RX_V3 */
  	case BT_OCF(BT_HCI_OP_LE_ENH_TX_TEST):
  		le_enh_tx_test(cmd, evt);
  		break;
  #if defined(CONFIG_BT_CTLR_DTM_HCI_TX_V3)
  	case BT_OCF(BT_HCI_OP_LE_TX_TEST_V3):
  		le_tx_test_v3(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DTM_HCI_TX_V3 */
  #if defined(CONFIG_BT_CTLR_DTM_HCI_TX_V4)
  	case BT_OCF(BT_HCI_OP_LE_TX_TEST_V4):
  		le_tx_test_v4(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_DTM_HCI_TX_V4 */
  #endif /* CONFIG_BT_CTLR_DTM_HCI */
  
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  #if defined(CONFIG_BT_HCI_VS)
  static void vs_read_version_info(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_vs_read_version_info *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	rp->hw_platform = sys_cpu_to_le16(BT_HCI_VS_HW_PLAT);
  	rp->hw_variant = sys_cpu_to_le16(BT_HCI_VS_HW_VAR);
  
  	rp->fw_variant = 0U;
  	rp->fw_version = (KERNEL_VERSION_MAJOR & 0xff);
  	rp->fw_revision = sys_cpu_to_le16(KERNEL_VERSION_MINOR);
  	rp->fw_build = sys_cpu_to_le32(KERNEL_PATCHLEVEL & 0xffff);
  }
  
  static void vs_read_supported_commands(struct net_buf *buf,
  				       struct net_buf **evt)
  {
  	struct bt_hci_rp_vs_read_supported_commands *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	(void)memset(&rp->commands[0], 0, sizeof(rp->commands));
  
  	/* Set Version Information, Supported Commands, Supported Features. */
  	rp->commands[0] |= BIT(0) | BIT(1) | BIT(2);
  #if defined(CONFIG_BT_HCI_VS_EXT)
  	/* Write BD_ADDR, Read Build Info */
  	rp->commands[0] |= BIT(5) | BIT(7);
  	/* Read Static Addresses, Read Key Hierarchy Roots */
  	rp->commands[1] |= BIT(0) | BIT(1);
  #if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL)
  	/* Write Tx Power, Read Tx Power */
  	rp->commands[1] |= BIT(5) | BIT(6);
  #endif /* CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL */
  #if defined(CONFIG_USB_DEVICE_BLUETOOTH_VS_H4)
  	/* Read Supported USB Transport Modes */
  	rp->commands[1] |= BIT(7);
  	/* Set USB Transport Mode */
  	rp->commands[2] |= BIT(0);
  #endif /* USB_DEVICE_BLUETOOTH_VS_H4 */
  #endif /* CONFIG_BT_HCI_VS_EXT */
  }
  
  static void vs_read_supported_features(struct net_buf *buf,
  				       struct net_buf **evt)
  {
  	struct bt_hci_rp_vs_read_supported_features *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	(void)memset(&rp->features[0], 0x00, sizeof(rp->features));
  }
  
  uint8_t __weak hci_vendor_read_static_addr(struct bt_hci_vs_static_addr addrs[],
  					uint8_t size)
  {
  	ARG_UNUSED(addrs);
  	ARG_UNUSED(size);
  
  	return 0;
  }
  
  /* If Zephyr VS HCI commands are not enabled provide this functionality directly
   */
  #if !defined(CONFIG_BT_HCI_VS_EXT)
  uint8_t bt_read_static_addr(struct bt_hci_vs_static_addr addrs[], uint8_t size)
  {
  	return hci_vendor_read_static_addr(addrs, size);
  }
  #endif /* !defined(CONFIG_BT_HCI_VS_EXT) */
  
  #if defined(CONFIG_BT_HCI_VS_EXT)
  static void vs_write_bd_addr(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_vs_write_bd_addr *cmd = (void *)buf->data;
  
  	ll_addr_set(0, &cmd->bdaddr.val[0]);
  
  	*evt = cmd_complete_status(0x00);
  }
  
  static void vs_read_build_info(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_vs_read_build_info *rp;
  
  #define HCI_VS_BUILD_INFO "Zephyr OS v" \
  	KERNEL_VERSION_STRING CONFIG_BT_CTLR_HCI_VS_BUILD_INFO
  
  	const char build_info[] = HCI_VS_BUILD_INFO;
  
  #define BUILD_INFO_EVT_LEN (sizeof(struct bt_hci_evt_hdr) + \
  			    sizeof(struct bt_hci_evt_cmd_complete) + \
  			    sizeof(struct bt_hci_rp_vs_read_build_info) + \
  			    sizeof(build_info))
  
  	BUILD_ASSERT(CONFIG_BT_BUF_EVT_RX_SIZE >= BUILD_INFO_EVT_LEN);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp) + sizeof(build_info));
  	rp->status = 0x00;
  	memcpy(rp->info, build_info, sizeof(build_info));
  }
  
  void __weak hci_vendor_read_key_hierarchy_roots(uint8_t ir[16], uint8_t er[16])
  {
  	/* Mark IR as invalid */
  	(void)memset(ir, 0x00, 16);
  
  	/* Mark ER as invalid */
  	(void)memset(er, 0x00, 16);
  }
  
  static void vs_read_static_addrs(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_vs_read_static_addrs *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp) +
  				   sizeof(struct bt_hci_vs_static_addr));
  	rp->status = 0x00;
  	rp->num_addrs = hci_vendor_read_static_addr(rp->a, 1);
  }
  
  static void vs_read_key_hierarchy_roots(struct net_buf *buf,
  					struct net_buf **evt)
  {
  	struct bt_hci_rp_vs_read_key_hierarchy_roots *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = 0x00;
  	hci_vendor_read_key_hierarchy_roots(rp->ir, rp->er);
  }
  #if !defined(CONFIG_BT_LL_SW_LLCP_LEGACY)
  #if defined(CONFIG_BT_CTLR_MIN_USED_CHAN) && defined(CONFIG_BT_PERIPHERAL)
  static void vs_set_min_used_chans(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_vs_set_min_num_used_chans *cmd = (void *)buf->data;
  	uint16_t handle = sys_le16_to_cpu(cmd->handle);
  	uint8_t status;
  
  	status = ll_set_min_used_chans(handle, cmd->phys, cmd->min_used_chans);
  
  	*evt = cmd_complete_status(status);
  }
  #endif /* CONFIG_BT_CTLR_MIN_USED_CHAN && CONFIG_BT_PERIPHERAL */
  #endif /* !CONFIG_BT_LL_SW_LLCP_LEGACY */
  #if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL)
  static void vs_write_tx_power_level(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_vs_write_tx_power_level *cmd = (void *)buf->data;
  	struct bt_hci_rp_vs_write_tx_power_level *rp;
  	uint8_t handle_type;
  	uint16_t handle;
  	uint8_t status;
  
  	handle_type = cmd->handle_type;
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->selected_tx_power = cmd->tx_power_level;
  
  	status = ll_tx_pwr_lvl_set(handle_type, handle, &rp->selected_tx_power);
  
  	rp->status = status;
  	rp->handle_type = handle_type;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  
  static void vs_read_tx_power_level(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_vs_read_tx_power_level *cmd = (void *)buf->data;
  	struct bt_hci_rp_vs_read_tx_power_level *rp;
  	uint8_t handle_type;
  	uint16_t handle;
  	uint8_t status;
  
  	handle_type = cmd->handle_type;
  	handle = sys_le16_to_cpu(cmd->handle);
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	status = ll_tx_pwr_lvl_get(handle_type, handle, 0, &rp->tx_power_level);
  
  	rp->status = status;
  	rp->handle_type = handle_type;
  	rp->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL */
  #endif /* CONFIG_BT_HCI_VS_EXT */
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  static void mesh_get_opts(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_rp_mesh_get_opts *rp;
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  
  	rp->status = 0x00;
  	rp->opcode = BT_HCI_OC_MESH_GET_OPTS;
  
  	rp->revision = BT_HCI_MESH_REVISION;
  	rp->ch_map = 0x7;
  	/*@todo: nRF51 only */
  	rp->min_tx_power = -30;
  	/*@todo: nRF51 only */
  	rp->max_tx_power = 4;
  	rp->max_scan_filter = CONFIG_BT_CTLR_MESH_SCAN_FILTERS;
  	rp->max_filter_pattern = CONFIG_BT_CTLR_MESH_SF_PATTERNS;
  	rp->max_adv_slot = 1U;
  	rp->evt_prefix_len = 0x01;
  	rp->evt_prefix = BT_HCI_MESH_EVT_PREFIX;
  }
  
  static void mesh_set_scan_filter(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_mesh_set_scan_filter *cmd = (void *)buf->data;
  	struct bt_hci_rp_mesh_set_scan_filter *rp;
  	uint8_t filter = cmd->scan_filter - 1;
  	struct scan_filter *f;
  	uint8_t status = 0x00;
  	uint8_t i;
  
  	if (filter > ARRAY_SIZE(scan_filters) ||
  	    cmd->num_patterns > CONFIG_BT_CTLR_MESH_SF_PATTERNS) {
  		status = BT_HCI_ERR_INVALID_PARAM;
  		goto exit;
  	}
  
  	if (filter == sf_curr) {
  		status = BT_HCI_ERR_CMD_DISALLOWED;
  		goto exit;
  	}
  
  	/* duplicate filtering not supported yet */
  	if (cmd->filter_dup) {
  		status = BT_HCI_ERR_INVALID_PARAM;
  		goto exit;
  	}
  
  	f = &scan_filters[filter];
  	for (i = 0U; i < cmd->num_patterns; i++) {
  		if (!cmd->patterns[i].pattern_len ||
  		    cmd->patterns[i].pattern_len >
  		    BT_HCI_MESH_PATTERN_LEN_MAX) {
  			status = BT_HCI_ERR_INVALID_PARAM;
  			goto exit;
  		}
  		f->lengths[i] = cmd->patterns[i].pattern_len;
  		memcpy(f->patterns[i], cmd->patterns[i].pattern, f->lengths[i]);
  	}
  
  	f->count = cmd->num_patterns;
  
  exit:
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->opcode = BT_HCI_OC_MESH_SET_SCAN_FILTER;
  	rp->scan_filter = filter + 1;
  }
  
  static void mesh_advertise(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_mesh_advertise *cmd = (void *)buf->data;
  	struct bt_hci_rp_mesh_advertise *rp;
  	uint8_t adv_slot = cmd->adv_slot;
  	uint8_t status;
  
  	status = ll_mesh_advertise(adv_slot,
  				   cmd->own_addr_type, cmd->random_addr.val,
  				   cmd->ch_map, cmd->tx_power,
  				   cmd->min_tx_delay, cmd->max_tx_delay,
  				   cmd->retx_count, cmd->retx_interval,
  				   cmd->scan_duration, cmd->scan_delay,
  				   cmd->scan_filter, cmd->data_len, cmd->data);
  	if (!status) {
  		/* Yields 0xFF if no scan filter selected */
  		sf_curr = cmd->scan_filter - 1;
  	}
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->opcode = BT_HCI_OC_MESH_ADVERTISE;
  	rp->adv_slot = adv_slot;
  }
  
  static void mesh_advertise_cancel(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_cp_mesh_advertise_cancel *cmd = (void *)buf->data;
  	struct bt_hci_rp_mesh_advertise_cancel *rp;
  	uint8_t adv_slot = cmd->adv_slot;
  	uint8_t status;
  
  	status = ll_mesh_advertise_cancel(adv_slot);
  	if (!status) {
  		/* Yields 0xFF if no scan filter selected */
  		sf_curr = 0xFF;
  	}
  
  	rp = hci_cmd_complete(evt, sizeof(*rp));
  	rp->status = status;
  	rp->opcode = BT_HCI_OC_MESH_ADVERTISE_CANCEL;
  	rp->adv_slot = adv_slot;
  }
  
  static int mesh_cmd_handle(struct net_buf *cmd, struct net_buf **evt)
  {
  	struct bt_hci_cp_mesh *cp_mesh;
  	uint8_t mesh_op;
  
  	if (cmd->len < sizeof(*cp_mesh)) {
  		BT_ERR("No HCI VSD Command header");
  		return -EINVAL;
  	}
  
  	cp_mesh = net_buf_pull_mem(cmd, sizeof(*cp_mesh));
  	mesh_op = cp_mesh->opcode;
  
  	switch (mesh_op) {
  	case BT_HCI_OC_MESH_GET_OPTS:
  		mesh_get_opts(cmd, evt);
  		break;
  
  	case BT_HCI_OC_MESH_SET_SCAN_FILTER:
  		mesh_set_scan_filter(cmd, evt);
  		break;
  
  	case BT_HCI_OC_MESH_ADVERTISE:
  		mesh_advertise(cmd, evt);
  		break;
  
  	case BT_HCI_OC_MESH_ADVERTISE_CANCEL:
  		mesh_advertise_cancel(cmd, evt);
  		break;
  
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  int hci_vendor_cmd_handle_common(uint16_t ocf, struct net_buf *cmd,
  				 struct net_buf **evt)
  {
  	switch (ocf) {
  	case BT_OCF(BT_HCI_OP_VS_READ_VERSION_INFO):
  		vs_read_version_info(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_VS_READ_SUPPORTED_COMMANDS):
  		vs_read_supported_commands(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_VS_READ_SUPPORTED_FEATURES):
  		vs_read_supported_features(cmd, evt);
  		break;
  
  #if defined(CONFIG_USB_DEVICE_BLUETOOTH_VS_H4)
  	case BT_OCF(BT_HCI_OP_VS_READ_USB_TRANSPORT_MODE):
  		break;
  	case BT_OCF(BT_HCI_OP_VS_SET_USB_TRANSPORT_MODE):
  		reset(cmd, evt);
  		break;
  #endif /* CONFIG_USB_DEVICE_BLUETOOTH_VS_H4 */
  
  #if defined(CONFIG_BT_HCI_VS_EXT)
  	case BT_OCF(BT_HCI_OP_VS_READ_BUILD_INFO):
  		vs_read_build_info(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_VS_WRITE_BD_ADDR):
  		vs_write_bd_addr(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_VS_READ_STATIC_ADDRS):
  		vs_read_static_addrs(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_VS_READ_KEY_HIERARCHY_ROOTS):
  		vs_read_key_hierarchy_roots(cmd, evt);
  		break;
  
  #if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL)
  	case BT_OCF(BT_HCI_OP_VS_WRITE_TX_POWER_LEVEL):
  		vs_write_tx_power_level(cmd, evt);
  		break;
  
  	case BT_OCF(BT_HCI_OP_VS_READ_TX_POWER_LEVEL):
  		vs_read_tx_power_level(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL */
  #endif /* CONFIG_BT_HCI_VS_EXT */
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  	case BT_OCF(BT_HCI_OP_VS_MESH):
  		mesh_cmd_handle(cmd, evt);
  		break;
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  #if !defined(CONFIG_BT_LL_SW_LLCP_LEGACY)
  #if defined(CONFIG_BT_CTLR_MIN_USED_CHAN) && defined(CONFIG_BT_PERIPHERAL)
  	case BT_OCF(BT_HCI_OP_VS_SET_MIN_NUM_USED_CHANS):
  		vs_set_min_used_chans(cmd, evt);
  		break;
  #endif /* CONFIG_BT_CTLR_MIN_USED_CHAN && CONFIG_BT_PERIPHERAL */
  #endif /* !CONFIG_BT_LL_SW_LLCP_LEGACY */
  
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  #endif
  
  struct net_buf *hci_cmd_handle(struct net_buf *cmd, void **node_rx)
  {
  	struct bt_hci_cmd_hdr *chdr;
  	struct net_buf *evt = NULL;
  	uint16_t ocf;
  	int err;
  
  	if (cmd->len < sizeof(*chdr)) {
  		BT_ERR("No HCI Command header");
  		return NULL;
  	}
  
  	chdr = net_buf_pull_mem(cmd, sizeof(*chdr));
  	if (cmd->len < chdr->param_len) {
  		BT_ERR("Invalid HCI CMD packet length");
  		return NULL;
  	}
  
  	/* store in a global for later CC/CS event creation */
  	_opcode = sys_le16_to_cpu(chdr->opcode);
  
  	ocf = BT_OCF(_opcode);
  
  	switch (BT_OGF(_opcode)) {
  	case BT_OGF_LINK_CTRL:
  		err = link_control_cmd_handle(ocf, cmd, &evt);
  		break;
  	case BT_OGF_BASEBAND:
  		err = ctrl_bb_cmd_handle(ocf, cmd, &evt);
  		break;
  	case BT_OGF_INFO:
  		err = info_cmd_handle(ocf, cmd, &evt);
  		break;
  	case BT_OGF_STATUS:
  		err = status_cmd_handle(ocf, cmd, &evt);
  		break;
  	case BT_OGF_LE:
  		err = controller_cmd_handle(ocf, cmd, &evt, node_rx);
  		break;
  #if defined(CONFIG_BT_HCI_VS)
  	case BT_OGF_VS:
  		err = hci_vendor_cmd_handle(ocf, cmd, &evt);
  		break;
  #endif
  	default:
  		err = -EINVAL;
  		break;
  	}
  
  	if (err == -EINVAL) {
  		evt = cmd_status(BT_HCI_ERR_UNKNOWN_CMD);
  	}
  
  	return evt;
  }
  
  #if defined(CONFIG_BT_CONN) || defined(CONFIG_BT_CTLR_ADV_ISO) || \
  	defined(CONFIG_BT_CTLR_CONN_ISO)
  static void data_buf_overflow(struct net_buf **buf, uint8_t link_type)
  {
  	struct bt_hci_evt_data_buf_overflow *ep;
  
  	if (!(event_mask & BT_EVT_MASK_DATA_BUFFER_OVERFLOW)) {
  		return;
  	}
  
  	*buf = bt_buf_get_rx(BT_BUF_EVT, K_FOREVER);
  	hci_evt_create(*buf, BT_HCI_EVT_DATA_BUF_OVERFLOW, sizeof(*ep));
  	ep = net_buf_add(*buf, sizeof(*ep));
  
  	ep->link_type = link_type;
  }
  #endif /* CONFIG_BT_CONN || CONFIG_BT_CTLR_SYNC_ISO ||
  	* CONFIG_BT_CTLR_CONN_ISO
  	*/
  
  #if defined(CONFIG_BT_CONN)
  int hci_acl_handle(struct net_buf *buf, struct net_buf **evt)
  {
  	struct node_tx *node_tx;
  	struct bt_hci_acl_hdr *acl;
  	struct pdu_data *pdu_data;
  	uint16_t handle;
  	uint8_t flags;
  	uint16_t len;
  
  	*evt = NULL;
  
  	if (buf->len < sizeof(*acl)) {
  		BT_ERR("No HCI ACL header");
  		return -EINVAL;
  	}
  
  	acl = net_buf_pull_mem(buf, sizeof(*acl));
  	len = sys_le16_to_cpu(acl->len);
  	handle = sys_le16_to_cpu(acl->handle);
  
  	if (buf->len < len) {
  		BT_ERR("Invalid HCI ACL packet length");
  		return -EINVAL;
  	}
  
  	if (len > LL_LENGTH_OCTETS_TX_MAX) {
  		BT_ERR("Invalid HCI ACL Data length");
  		return -EINVAL;
  	}
  
  	/* assigning flags first because handle will be overwritten */
  	flags = bt_acl_flags(handle);
  	handle = bt_acl_handle(handle);
  
  	node_tx = ll_tx_mem_acquire();
  	if (!node_tx) {
  		BT_ERR("Tx Buffer Overflow");
  		data_buf_overflow(evt, BT_OVERFLOW_LINK_ACL);
  		return -ENOBUFS;
  	}
  
  	pdu_data = (void *)node_tx->pdu;
  
  	if (bt_acl_flags_bc(flags) != BT_ACL_POINT_TO_POINT) {
  		return -EINVAL;
  	}
  
  	switch (bt_acl_flags_pb(flags)) {
  	case BT_ACL_START_NO_FLUSH:
  		pdu_data->ll_id = PDU_DATA_LLID_DATA_START;
  		break;
  	case BT_ACL_CONT:
  		pdu_data->ll_id = PDU_DATA_LLID_DATA_CONTINUE;
  		break;
  	default:
  		/* BT_ACL_START and BT_ACL_COMPLETE not allowed on LE-U
  		 * from Host to Controller
  		 */
  		return -EINVAL;
  	}
  
  	pdu_data->len = len;
  	memcpy(&pdu_data->lldata[0], buf->data, len);
  
  	if (ll_tx_mem_enqueue(handle, node_tx)) {
  		BT_ERR("Invalid Tx Enqueue");
  		ll_tx_mem_release(node_tx);
  		return -EINVAL;
  	}
  
  	return 0;
  }
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  int hci_iso_handle(struct net_buf *buf, struct net_buf **evt)
  {
  	struct bt_hci_iso_data_hdr *iso_data_hdr;
  	struct bt_hci_iso_hdr *iso_hdr;
  	uint16_t stream_handle;
  	struct node_tx_iso *tx;
  	uint16_t handle;
  	uint8_t flags;
  	uint16_t slen;
  	uint16_t len;
  
  	*evt = NULL;
  
  	if (buf->len < sizeof(*iso_hdr)) {
  		BT_ERR("No HCI ISO header");
  		return -EINVAL;
  	}
  
  	iso_hdr = net_buf_pull_mem(buf, sizeof(*iso_hdr));
  	handle = sys_le16_to_cpu(iso_hdr->handle);
  	len = sys_le16_to_cpu(iso_hdr->len);
  
  	if (buf->len < len) {
  		BT_ERR("Invalid HCI ISO packet length");
  		return -EINVAL;
  	}
  
  	/* assigning flags first because handle will be overwritten */
  	flags = bt_iso_flags(handle);
  	if (bt_iso_flags_ts(flags)) {
  		struct bt_hci_iso_ts_data_hdr *iso_ts_data_hdr;
  
  		iso_ts_data_hdr = net_buf_pull_mem(buf,
  						   sizeof(*iso_ts_data_hdr));
  	}
  
  	iso_data_hdr = net_buf_pull_mem(buf, sizeof(*iso_data_hdr));
  	slen = iso_data_hdr->slen;
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO)
  	/* Check invalid BIS PDU length */
  	if (slen > LL_BIS_OCTETS_TX_MAX) {
  		BT_ERR("Invalid HCI ISO Data length");
  		return -EINVAL;
  	}
  
  	/* Get BIS stream handle and stream context */
  	handle = bt_iso_handle(handle);
  	if (handle < BT_CTLR_ADV_ISO_STREAM_HANDLE_BASE) {
  		return -EINVAL;
  	}
  	stream_handle = handle - BT_CTLR_ADV_ISO_STREAM_HANDLE_BASE;
  
  	struct lll_adv_iso_stream *stream;
  
  	stream = ull_adv_iso_stream_get(stream_handle);
  	if (!stream) {
  		BT_ERR("Invalid BIS stream");
  		return -EINVAL;
  	}
  
  	struct ll_adv_iso_set *adv_iso;
  
  	adv_iso = ull_adv_iso_by_stream_get(stream_handle);
  	if (!adv_iso) {
  		BT_ERR("No BIG associated with stream handle");
  		return -EINVAL;
  	}
  
  	/* Get free node tx */
  	tx = ll_iso_tx_mem_acquire();
  	if (!tx) {
  		BT_ERR("ISO Tx Buffer Overflow");
  		data_buf_overflow(evt, BT_OVERFLOW_LINK_ISO);
  		return -ENOBUFS;
  	}
  
  	struct pdu_bis *pdu = (void *)tx->pdu;
  
  	/* FIXME: Update to use correct LLID for BIS and CIS */
  	switch (bt_iso_flags_pb(flags)) {
  	case BT_ISO_SINGLE:
  		pdu->ll_id = PDU_BIS_LLID_COMPLETE_END;
  		break;
  	default:
  		ll_iso_tx_mem_release(tx);
  		return -EINVAL;
  	}
  
  	pdu->len = slen;
  	memcpy(pdu->payload, buf->data, slen);
  
  	struct lll_adv_iso *lll_iso;
  
  	lll_iso = &adv_iso->lll;
  
  	uint64_t pkt_seq_num;
  
  	pkt_seq_num = lll_iso->payload_count / lll_iso->bn;
  	if (((pkt_seq_num - stream->pkt_seq_num) & BIT64_MASK(39)) <=
  	    BIT64_MASK(38)) {
  		stream->pkt_seq_num = pkt_seq_num;
  	} else {
  		pkt_seq_num = stream->pkt_seq_num;
  	}
  
  	tx->payload_count = pkt_seq_num * lll_iso->bn;
  
  	stream->pkt_seq_num++;
  
  #else /* CONFIG_BT_CTLR_CONN_ISO */
  	/* FIXME: Add Connected ISO implementation */
  	stream_handle = 0U;
  
  	/* NOTE: Keeping the code below to pass compilation until Connected ISO
  	 *       integration.
  	 */
  	/* Get free node tx */
  	tx = ll_iso_tx_mem_acquire();
  	if (!tx) {
  		BT_ERR("ISO Tx Buffer Overflow");
  		data_buf_overflow(evt, BT_OVERFLOW_LINK_ISO);
  		return -ENOBUFS;
  	}
  
  #endif /* CONFIG_BT_CTLR_CONN_ISO */
  
  	if (ll_iso_tx_mem_enqueue(stream_handle, tx)) {
  		BT_ERR("Invalid ISO Tx Enqueue");
  		ll_iso_tx_mem_release(tx);
  		return -EINVAL;
  	}
  
  	return 0;
  }
  #endif /* CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  static void dup_ext_adv_adi_store(struct dup_ext_adv_mode *dup_mode,
  				  const struct pdu_adv_adi *adi,
  				  uint8_t data_status)
  {
  	struct dup_ext_adv_set *adv_set;
  
  	adv_set = &dup_mode->set[dup_mode->set_curr];
  
  	adv_set->data_cmplt = (data_status ==
  			       BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_COMPLETE) ?
  			      1U : 0U;
  
  	if (adi) {
  		(void)memcpy(&adv_set->adi, adi, sizeof(*adi));
  	} else {
  		(void)memset(&adv_set->adi, 0U, sizeof(*adi));
  	}
  
  	if (dup_mode->set_count < CONFIG_BT_CTLR_DUP_FILTER_ADV_SET_MAX) {
  		dup_mode->set_count++;
  		dup_mode->set_curr = dup_mode->set_count;
  	} else {
  		dup_mode->set_curr++;
  	}
  
  	if (dup_mode->set_curr == CONFIG_BT_CTLR_DUP_FILTER_ADV_SET_MAX) {
  		dup_mode->set_curr = 0U;
  	}
  }
  
  static void dup_ext_adv_mode_reset(struct dup_ext_adv_mode *dup_adv_mode)
  {
  	uint8_t adv_mode;
  
  	for (adv_mode = 0U; adv_mode < DUP_EXT_ADV_MODE_COUNT;
  	     adv_mode++) {
  		struct dup_ext_adv_mode *dup_mode;
  
  		dup_mode = &dup_adv_mode[adv_mode];
  		dup_mode->set_count = 0U;
  		dup_mode->set_curr = 0U;
  	}
  }
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  static void dup_ext_adv_reset(void)
  {
  	for (int32_t i = 0; i < dup_count; i++) {
  		struct dup_entry *dup;
  
  		dup = &dup_filter[i];
  		dup->mask = 0U;
  		dup_ext_adv_mode_reset(dup->adv_mode);
  	}
  }
  
  static void dup_periodic_adv_reset(uint8_t addr_type, const uint8_t *addr,
  				   uint8_t sid)
  {
  	for (int32_t addr_idx = 0; addr_idx < dup_count; addr_idx++) {
  		struct dup_ext_adv_mode *dup_mode;
  		struct dup_entry *dup;
  
  		dup = &dup_filter[addr_idx];
  		if (memcmp(addr, dup->addr.a.val, sizeof(bt_addr_t)) ||
  		    (addr_type != dup->addr.type)) {
  			continue;
  		}
  
  		dup_mode = &dup->adv_mode[DUP_EXT_ADV_MODE_PERIODIC];
  		for (uint16_t set_idx = 0; set_idx < dup_mode->set_count;
  		     set_idx++) {
  			struct dup_ext_adv_set *adv_set;
  
  			adv_set = &dup_mode->set[set_idx];
  			if (adv_set->adi.sid != sid) {
  				continue;
  			}
  
  			/* reset data complete state */
  			adv_set->data_cmplt = 0U;
  
  			return;
  		}
  
  		return;
  	}
  }
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  static inline bool is_dup_or_update(struct dup_entry *dup, uint8_t adv_type,
  				    uint8_t adv_mode,
  				    const struct pdu_adv_adi *adi,
  				    uint8_t data_status)
  {
  	if (!(dup->mask & BIT(adv_type))) {
  		/* report different adv types */
  		dup->mask |= BIT(adv_type);
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  		dup_ext_adv_adi_store(&dup->adv_mode[adv_mode], adi,
  				      data_status);
  
  		return false;
  	} else if (adv_type != PDU_ADV_TYPE_EXT_IND) {
  		/* drop duplicate legacy advertising */
  		return true;
  	} else if (dup->adv_mode[adv_mode].set_count == 0U) {
  		/* report different extended adv mode */
  		dup_ext_adv_adi_store(&dup->adv_mode[adv_mode], adi,
  				      data_status);
  		return false;
  	} else if (adi) {
  		struct dup_ext_adv_mode *dup_mode;
  		uint8_t j;
  
  		dup_mode = &dup->adv_mode[adv_mode];
  		for (j = 0; j < dup_mode->set_count; j++) {
  			struct dup_ext_adv_set *adv_set;
  
  			adv_set = &dup_mode->set[j];
  			if (adv_set->adi.sid != adi->sid) {
  				continue;
  			}
  
  			if (adv_set->adi.did != adi->did) {
  				/* report different DID */
  				adv_set->adi.did = adi->did;
  				/* set new data status */
  				if (data_status == BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_COMPLETE) {
  					adv_set->data_cmplt = 1U;
  				} else {
  					adv_set->data_cmplt = 0U;
  				}
  
  				return false;
  			} else if (!adv_set->data_cmplt &&
  				   (data_status ==
  				    BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_COMPLETE)) {
  				/* report data complete */
  				adv_set->data_cmplt = 1U;
  				return false;
  			} else if (!adv_set->data_cmplt) {
  				/* report partial and incomplete data */
  				return false;
  			}
  
  			return true;
  		}
  
  		dup_ext_adv_adi_store(&dup->adv_mode[adv_mode], adi,
  				      data_status);
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  		return false;
  	}
  
  	return true;
  }
  
  static bool dup_found(uint8_t adv_type, uint8_t addr_type, const uint8_t *addr,
  		      uint8_t adv_mode, const struct pdu_adv_adi *adi,
  		      uint8_t data_status)
  {
  	/* check for duplicate filtering */
  	if (dup_count >= 0) {
  		struct dup_entry *dup;
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  		__ASSERT((adv_mode < ARRAY_SIZE(dup_filter[0].adv_mode)),
  			 "adv_mode index out-of-bound");
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  		/* find for existing entry and update if changed */
  		for (int32_t i = 0; i < dup_count; i++) {
  			dup = &dup_filter[i];
  			if (memcmp(addr, &dup->addr.a.val[0],
  				   sizeof(bt_addr_t)) ||
  			    (addr_type != dup->addr.type)) {
  				continue;
  			}
  
  			/* still duplicate or update entry with change */
  			return is_dup_or_update(dup, adv_type, adv_mode, adi,
  						data_status);
  		}
  
  		/* insert into the duplicate filter */
  		dup = &dup_filter[dup_curr];
  		(void)memcpy(&dup->addr.a.val[0], addr, sizeof(bt_addr_t));
  		dup->addr.type = addr_type;
  		dup->mask = BIT(adv_type);
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  		dup_ext_adv_mode_reset(dup->adv_mode);
  		dup_ext_adv_adi_store(&dup->adv_mode[adv_mode], adi,
  				      data_status);
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  		if (dup_count < CONFIG_BT_CTLR_DUP_FILTER_LEN) {
  			dup_count++;
  			dup_curr = dup_count;
  		} else {
  			dup_curr++;
  		}
  
  		if (dup_curr == CONFIG_BT_CTLR_DUP_FILTER_LEN) {
  			dup_curr = 0U;
  		}
  	}
  
  	return false;
  }
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  static inline void le_dir_adv_report(struct pdu_adv *adv, struct net_buf *buf,
  				     int8_t rssi, uint8_t rl_idx)
  {
  	struct bt_hci_evt_le_direct_adv_report *drp;
  	struct bt_hci_evt_le_direct_adv_info *dir_info;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_DIRECT_ADV_REPORT)) {
  		return;
  	}
  
  	LL_ASSERT(adv->type == PDU_ADV_TYPE_DIRECT_IND);
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	if (dup_scan &&
  	    dup_found(adv->type, adv->tx_addr, adv->adv_ind.addr, 0, NULL, 0)) {
  		return;
  	}
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  	drp = meta_evt(buf, BT_HCI_EVT_LE_DIRECT_ADV_REPORT,
  		       sizeof(*drp) + sizeof(*dir_info));
  
  	drp->num_reports = 1U;
  	dir_info = (void *)(((uint8_t *)drp) + sizeof(*drp));
  
  	/* Directed Advertising */
  	dir_info->evt_type = BT_HCI_ADV_DIRECT_IND;
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	if (rl_idx < ll_rl_size_get()) {
  		/* Store identity address */
  		ll_rl_id_addr_get(rl_idx, &dir_info->addr.type,
  				  &dir_info->addr.a.val[0]);
  		/* Mark it as identity address from RPA (0x02, 0x03) */
  		dir_info->addr.type += 2U;
  	} else {
  #else
  	if (1) {
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  		dir_info->addr.type = adv->tx_addr;
  		memcpy(&dir_info->addr.a.val[0], &adv->direct_ind.adv_addr[0],
  		       sizeof(bt_addr_t));
  	}
  
  	dir_info->dir_addr.type = adv->rx_addr;
  	memcpy(&dir_info->dir_addr.a.val[0],
  	       &adv->direct_ind.tgt_addr[0], sizeof(bt_addr_t));
  
  	dir_info->rssi = rssi;
  }
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  
  #if defined(CONFIG_BT_OBSERVER)
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  static inline bool scan_filter_apply(uint8_t filter, uint8_t *data, uint8_t len)
  {
  	struct scan_filter *f = &scan_filters[filter];
  
  	/* No patterns means filter out all advertising packets */
  	for (uint8_t i = 0; i < f->count; i++) {
  		/* Require at least the length of the pattern */
  		if (len >= f->lengths[i] &&
  		    !memcmp(data, f->patterns[i], f->lengths[i])) {
  			return true;
  		}
  	}
  
  	return false;
  }
  
  static inline void le_mesh_scan_report(struct pdu_adv *adv,
  				       struct node_rx_pdu *node_rx,
  				       struct net_buf *buf, int8_t rssi)
  {
  	uint8_t data_len = (adv->len - BDADDR_SIZE);
  	struct bt_hci_evt_mesh_scanning_report *mep;
  	struct bt_hci_evt_mesh_scan_report *sr;
  	uint32_t instant;
  	uint8_t chan;
  
  	LL_ASSERT(adv->type == PDU_ADV_TYPE_NONCONN_IND);
  
  	/* Filter based on currently active Scan Filter */
  	if (sf_curr < ARRAY_SIZE(scan_filters) &&
  	    !scan_filter_apply(sf_curr, &adv->adv_ind.data[0], data_len)) {
  		/* Drop the report */
  		return;
  	}
  
  	chan = node_rx->hdr.rx_ftr.chan;
  	instant = node_rx->hdr.rx_ftr.anchor_ticks;
  
  	mep = mesh_evt(buf, BT_HCI_EVT_MESH_SCANNING_REPORT,
  			    sizeof(*mep) + sizeof(*sr));
  
  	mep->num_reports = 1U;
  	sr = (void *)(((uint8_t *)mep) + sizeof(*mep));
  	sr->addr.type = adv->tx_addr;
  	memcpy(&sr->addr.a.val[0], &adv->adv_ind.addr[0], sizeof(bt_addr_t));
  	sr->chan = chan;
  	sr->rssi = rssi;
  	sys_put_le32(instant, (uint8_t *)&sr->instant);
  
  	sr->data_len = data_len;
  	memcpy(&sr->data[0], &adv->adv_ind.data[0], data_len);
  }
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  static void le_advertising_report(struct pdu_data *pdu_data,
  				  struct node_rx_pdu *node_rx,
  				  struct net_buf *buf)
  {
  	const uint8_t c_adv_type[] = { 0x00, 0x01, 0x03, 0xff, 0x04,
  				    0xff, 0x02 };
  	struct bt_hci_evt_le_advertising_report *sep;
  	struct pdu_adv *adv = (void *)pdu_data;
  	struct bt_hci_evt_le_advertising_info *adv_info;
  	uint8_t data_len;
  	uint8_t info_len;
  	int8_t rssi;
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	uint8_t rl_idx;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  	uint8_t direct_report;
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  	int8_t *prssi;
  
  	rssi = -(node_rx->hdr.rx_ftr.rssi);
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	rl_idx = node_rx->hdr.rx_ftr.rl_idx;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  	direct_report = node_rx->hdr.rx_ftr.direct;
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	if (adv->tx_addr) {
  		/* Update current RPA */
  		ll_rl_crpa_set(0x00, NULL, rl_idx, &adv->adv_ind.addr[0]);
  	}
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  	if (direct_report) {
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  		le_dir_adv_report(adv, buf, rssi, rl_idx);
  #else
  		le_dir_adv_report(adv, buf, rssi, 0xFF);
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  		return;
  	}
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  	if (node_rx->hdr.type == NODE_RX_TYPE_MESH_REPORT) {
  		le_mesh_scan_report(adv, node_rx, buf, rssi);
  		return;
  	}
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_ADVERTISING_REPORT)) {
  		return;
  	}
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	if (dup_scan &&
  	    dup_found(adv->type, adv->tx_addr, adv->adv_ind.addr, 0, NULL, 0)) {
  		return;
  	}
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  	if (adv->type != PDU_ADV_TYPE_DIRECT_IND) {
  		data_len = (adv->len - BDADDR_SIZE);
  	} else {
  		data_len = 0U;
  	}
  	info_len = sizeof(struct bt_hci_evt_le_advertising_info) + data_len +
  		   sizeof(*prssi);
  	sep = meta_evt(buf, BT_HCI_EVT_LE_ADVERTISING_REPORT,
  		       sizeof(*sep) + info_len);
  
  	sep->num_reports = 1U;
  	adv_info = (void *)(((uint8_t *)sep) + sizeof(*sep));
  
  	adv_info->evt_type = c_adv_type[adv->type];
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	if (rl_idx < ll_rl_size_get()) {
  		/* Store identity address */
  		ll_rl_id_addr_get(rl_idx, &adv_info->addr.type,
  				  &adv_info->addr.a.val[0]);
  		/* Mark it as identity address from RPA (0x02, 0x03) */
  		adv_info->addr.type += 2U;
  	} else {
  #else
  	if (1) {
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  		adv_info->addr.type = adv->tx_addr;
  		memcpy(&adv_info->addr.a.val[0], &adv->adv_ind.addr[0],
  		       sizeof(bt_addr_t));
  	}
  
  	adv_info->length = data_len;
  	memcpy(&adv_info->data[0], &adv->adv_ind.data[0], data_len);
  	/* RSSI */
  	prssi = &adv_info->data[0] + data_len;
  	*prssi = rssi;
  }
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  static void le_ext_adv_legacy_report(struct pdu_data *pdu_data,
  				     struct node_rx_pdu *node_rx,
  				     struct net_buf *buf)
  {
  	/* Lookup event type based on pdu_adv_type set by LLL */
  	const uint8_t evt_type_lookup[] = {
  		(BT_HCI_LE_ADV_EVT_TYPE_LEGACY | BT_HCI_LE_ADV_EVT_TYPE_SCAN |
  		 BT_HCI_LE_ADV_EVT_TYPE_CONN),   /* ADV_IND */
  		(BT_HCI_LE_ADV_EVT_TYPE_LEGACY | BT_HCI_LE_ADV_EVT_TYPE_DIRECT |
  		 BT_HCI_LE_ADV_EVT_TYPE_CONN),   /* DIRECT_IND */
  		(BT_HCI_LE_ADV_EVT_TYPE_LEGACY), /* NONCONN_IND */
  		0xff,                            /* Invalid index lookup */
  		(BT_HCI_LE_ADV_EVT_TYPE_LEGACY |
  		 BT_HCI_LE_ADV_EVT_TYPE_SCAN_RSP |
  		 BT_HCI_LE_ADV_EVT_TYPE_SCAN),   /* SCAN_RSP to an ADV_SCAN_IND
  						  */
  		(BT_HCI_LE_ADV_EVT_TYPE_LEGACY |
  		 BT_HCI_LE_ADV_EVT_TYPE_SCAN_RSP |
  		 BT_HCI_LE_ADV_EVT_TYPE_SCAN |
  		 BT_HCI_LE_ADV_EVT_TYPE_CONN), /* SCAN_RSP to an ADV_IND,
  						* NOTE: LLL explicitly sets
  						* adv_type to
  						* PDU_ADV_TYPE_ADV_IND_SCAN_RSP
  						*/
  		(BT_HCI_LE_ADV_EVT_TYPE_LEGACY |
  		 BT_HCI_LE_ADV_EVT_TYPE_SCAN)    /* SCAN_IND */
  	};
  	struct bt_hci_evt_le_ext_advertising_info *adv_info;
  	struct bt_hci_evt_le_ext_advertising_report *sep;
  	struct pdu_adv *adv = (void *)pdu_data;
  	uint8_t data_len;
  	uint8_t info_len;
  	int8_t rssi;
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	uint8_t rl_idx;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_EXT_ADVERTISING_REPORT)) {
  		return;
  	}
  
  	/* The Link Layer currently returns RSSI as an absolute value */
  	rssi = -(node_rx->hdr.rx_ftr.rssi);
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	rl_idx = node_rx->hdr.rx_ftr.rl_idx;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	if (adv->tx_addr) {
  		/* Update current RPA */
  		ll_rl_crpa_set(0x00, NULL, rl_idx, &adv->adv_ind.addr[0]);
  	}
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	if (dup_scan &&
  	    dup_found(adv->type, adv->tx_addr, adv->adv_ind.addr, 0, NULL, 0)) {
  		return;
  	}
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  	if (adv->type != PDU_ADV_TYPE_DIRECT_IND) {
  		data_len = (adv->len - BDADDR_SIZE);
  	} else {
  		data_len = 0U;
  	}
  
  	info_len = sizeof(struct bt_hci_evt_le_ext_advertising_info) +
  		   data_len;
  	sep = meta_evt(buf, BT_HCI_EVT_LE_EXT_ADVERTISING_REPORT,
  		       sizeof(*sep) + info_len);
  
  	sep->num_reports = 1U;
  	adv_info = (void *)(((uint8_t *)sep) + sizeof(*sep));
  
  	adv_info->evt_type = evt_type_lookup[adv->type];
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	if (rl_idx < ll_rl_size_get()) {
  		/* Store identity address */
  		ll_rl_id_addr_get(rl_idx, &adv_info->addr.type,
  				  &adv_info->addr.a.val[0]);
  		/* Mark it as identity address from RPA (0x02, 0x03) */
  		adv_info->addr.type += 2U;
  	} else
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  	{
  		adv_info->addr.type = adv->tx_addr;
  		memcpy(&adv_info->addr.a.val[0], &adv->adv_ind.addr[0],
  		       sizeof(bt_addr_t));
  	}
  
  	adv_info->prim_phy = BT_HCI_LE_EXT_SCAN_PHY_1M;
  	adv_info->sec_phy = 0U;
  	adv_info->sid = 0xff;
  	adv_info->tx_power = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  	adv_info->rssi = rssi;
  	adv_info->interval = 0U;
  
  	if (adv->type == PDU_ADV_TYPE_DIRECT_IND) {
  		adv_info->direct_addr.type = adv->rx_addr;
  		bt_addr_copy(&adv_info->direct_addr.a,
  			     (void *)adv->direct_ind.tgt_addr);
  	} else {
  		adv_info->direct_addr.type = 0U;
  		(void)memset(adv_info->direct_addr.a.val, 0U,
  			     sizeof(adv_info->direct_addr.a.val));
  	}
  
  	adv_info->length = data_len;
  	memcpy(&adv_info->data[0], &adv->adv_ind.data[0], data_len);
  }
  
  static uint8_t ext_adv_direct_addr_type(struct lll_scan *lll,
  					bool peer_resolved, bool direct_report,
  					uint8_t rx_addr_type,
  					const uint8_t *const rx_addr)
  {
  	/* The directed address is resolvable private address, but Controller
  	 * could not resolve it.
  	 */
  	if (direct_report) {
  		return BT_ADDR_LE_UNRESOLVED;
  	}
  
  	if (0) {
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	/* Peer directed advertiser's address was resolved */
  	} else if (peer_resolved) {
  		struct ll_scan_set *scan;
  
  		scan = HDR_LLL2ULL(lll);
  		if ((rx_addr_type == lll->init_addr_type) &&
  		    !memcmp(lll->init_addr, rx_addr, BDADDR_SIZE)) {
  			/* Peer directed advertiser used local scanner's
  			 * initiator address.
  			 */
  			return scan->own_addr_type;
  		}
  
  		/* Peer directed advertiser used directed resolvable
  		 * private address generated from the local scanner's
  		 * Identity Resolution Key.
  		 */
  		return scan->own_addr_type | BIT(1);
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  	} else {
  		struct ll_scan_set *scan;
  
  		scan = HDR_LLL2ULL(lll);
  
  		/* Peer directed advertiser used local scanner's
  		 * initiator address.
  		 */
  		return scan->own_addr_type;
  	}
  }
  
  static uint8_t ext_adv_data_get(const struct node_rx_pdu *node_rx_data,
  				uint8_t *const sec_phy, int8_t *const tx_pwr,
  				const uint8_t **const data)
  {
  	const struct pdu_adv *adv = (void *)node_rx_data->pdu;
  	const struct pdu_adv_com_ext_adv *p;
  	const struct pdu_adv_ext_hdr *h;
  	uint8_t hdr_buf_len;
  	const uint8_t *ptr;
  	uint8_t hdr_len;
  
  	*tx_pwr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  
  	p = (void *)&adv->adv_ext_ind;
  	h = (void *)p->ext_hdr_adv_data;
  	ptr = (void *)h;
  
  	if (!p->ext_hdr_len) {
  		hdr_len = PDU_AC_EXT_HEADER_SIZE_MIN;
  
  		goto no_ext_hdr;
  	}
  
  	ptr = h->data;
  
  	if (h->adv_addr) {
  		ptr += BDADDR_SIZE;
  	}
  
  	if (h->tgt_addr) {
  		ptr += BDADDR_SIZE;
  	}
  
  	if (h->adi) {
  		ptr += sizeof(struct pdu_adv_adi);
  	}
  
  	if (h->aux_ptr) {
  		struct pdu_adv_aux_ptr *aux_ptr;
  
  		aux_ptr = (void *)ptr;
  		ptr += sizeof(*aux_ptr);
  
  		*sec_phy = HCI_AUX_PHY_TO_HCI_PHY(aux_ptr->phy);
  	}
  
  	if (h->sync_info) {
  		ptr += sizeof(struct pdu_adv_sync_info);
  	}
  
  	if (h->tx_pwr) {
  		*tx_pwr = *(int8_t *)ptr;
  		ptr++;
  	}
  
  	hdr_len = ptr - (uint8_t *)p;
  	hdr_buf_len = PDU_AC_EXT_HEADER_SIZE_MIN + p->ext_hdr_len;
  	if (hdr_len < hdr_buf_len) {
  		uint8_t acad_len = hdr_buf_len - hdr_len;
  
  		ptr += acad_len;
  		hdr_len += acad_len;
  	}
  
  no_ext_hdr:
  	if (hdr_len < adv->len) {
  		*data = ptr;
  
  		return adv->len - hdr_len;
  	}
  
  	return 0;
  }
  
  static void node_rx_extra_list_release(struct node_rx_pdu *node_rx_extra)
  {
  	while (node_rx_extra) {
  		struct node_rx_pdu *node_rx_curr;
  
  		node_rx_curr = node_rx_extra;
  		node_rx_extra = node_rx_curr->hdr.rx_ftr.extra;
  
  		node_rx_curr->hdr.next = NULL;
  		ll_rx_mem_release((void **)&node_rx_curr);
  	}
  }
  
  static void ext_adv_info_fill(uint8_t evt_type, uint8_t phy, uint8_t sec_phy,
  			      uint8_t adv_addr_type, const uint8_t *adv_addr,
  			      uint8_t direct_addr_type,
  			      const uint8_t *direct_addr, uint8_t rl_idx,
  			      int8_t tx_pwr, int8_t rssi,
  			      uint16_t interval_le16,
  			      const struct pdu_adv_adi *adi, uint8_t data_len,
  			      const uint8_t *data, struct net_buf *buf)
  {
  	struct bt_hci_evt_le_ext_advertising_info *adv_info;
  	struct bt_hci_evt_le_ext_advertising_report *sep;
  	uint8_t info_len;
  
  	info_len = sizeof(struct bt_hci_evt_le_ext_advertising_info) +
  		   data_len;
  	sep = meta_evt(buf, BT_HCI_EVT_LE_EXT_ADVERTISING_REPORT,
  		       sizeof(*sep) + info_len);
  
  	sep->num_reports = 1U;
  	adv_info = (void *)(((uint8_t *)sep) + sizeof(*sep));
  
  	adv_info->evt_type = evt_type;
  
  	if (0) {
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	} else if (rl_idx < ll_rl_size_get()) {
  		/* Store identity address */
  		ll_rl_id_addr_get(rl_idx, &adv_info->addr.type,
  				  adv_info->addr.a.val);
  		/* Mark it as identity address from RPA (0x02, 0x03) */
  		adv_info->addr.type += 2U;
  #else /* !CONFIG_BT_CTLR_PRIVACY */
  		ARG_UNUSED(rl_idx);
  #endif /* !CONFIG_BT_CTLR_PRIVACY */
  	} else if (adv_addr) {
  		adv_info->addr.type = adv_addr_type;
  		(void)memcpy(adv_info->addr.a.val, adv_addr, sizeof(bt_addr_t));
  	} else {
  		adv_info->addr.type = 0U;
  		(void)memset(adv_info->addr.a.val, 0, sizeof(bt_addr_t));
  	}
  
  	adv_info->prim_phy = find_lsb_set(phy);
  	adv_info->sec_phy = sec_phy;
  	adv_info->sid = (adi) ? adi->sid : BT_HCI_LE_EXT_ADV_SID_INVALID;
  	adv_info->tx_power = tx_pwr;
  	adv_info->rssi = rssi;
  	adv_info->interval = interval_le16;
  
  	if (evt_type & BT_HCI_LE_ADV_EVT_TYPE_DIRECT) {
  		adv_info->direct_addr.type = direct_addr_type;
  		(void)memcpy(adv_info->direct_addr.a.val, direct_addr,
  			     sizeof(bt_addr_t));
  	} else {
  		adv_info->direct_addr.type = 0U;
  		(void)memset(adv_info->direct_addr.a.val, 0, sizeof(bt_addr_t));
  	}
  
  	adv_info->length = data_len;
  	(void)memcpy(adv_info->data, data, data_len);
  }
  
  static void ext_adv_pdu_frag(uint8_t evt_type, uint8_t phy, uint8_t sec_phy,
  			     uint8_t adv_addr_type, const uint8_t *adv_addr,
  			     uint8_t direct_addr_type,
  			     const uint8_t *direct_addr, uint8_t rl_idx,
  			     int8_t tx_pwr, int8_t rssi, uint16_t interval_le16,
  			     const struct pdu_adv_adi *adi,
  			     uint8_t data_len_max,
  			     uint16_t *const data_len_total,
  			     uint8_t *const data_len,
  			     const uint8_t **const data, struct net_buf *buf,
  			     struct net_buf **const evt_buf)
  {
  	const uint8_t data_len_frag = MIN(*data_len, data_len_max);
  
  	do {
  		/* Prepare a fragment of PDU data in a HCI event */
  		ext_adv_info_fill(evt_type, phy, sec_phy, adv_addr_type,
  				  adv_addr, direct_addr_type, direct_addr,
  				  rl_idx, tx_pwr, rssi, interval_le16, adi,
  				  data_len_frag, *data, *evt_buf);
  
  		*data += data_len_frag;
  		*data_len -= data_len_frag;
  		*data_len_total -= data_len_frag;
  
  		*evt_buf = bt_buf_get_rx(BT_BUF_EVT, K_FOREVER);
  		net_buf_frag_add(buf, *evt_buf);
  
  		/* Continue to fragment until last partial PDU data fragment,
  		 * remainder PDU data's HCI event will be prepare by caller.
  		 */
  	} while (*data_len > data_len_max);
  }
  
  static void ext_adv_data_frag(const struct node_rx_pdu *node_rx_data,
  			      uint8_t evt_type, uint8_t phy,
  			      uint8_t *const sec_phy, uint8_t adv_addr_type,
  			      const uint8_t *adv_addr, uint8_t direct_addr_type,
  			      const uint8_t *direct_addr, uint8_t rl_idx,
  			      int8_t *const tx_pwr, int8_t rssi,
  			      uint16_t interval_le16,
  			      const struct pdu_adv_adi *adi,
  			      uint8_t data_len_max, uint16_t data_len_total,
  			      uint8_t *const data_len,
  			      const uint8_t **const data, struct net_buf *buf,
  			      struct net_buf **const evt_buf)
  {
  	evt_type |= (BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_PARTIAL << 5);
  
  	do {
  		/* Fragment the PDU data */
  		ext_adv_pdu_frag(evt_type, phy, *sec_phy, adv_addr_type,
  				 adv_addr, direct_addr_type, direct_addr,
  				 rl_idx, *tx_pwr, rssi, interval_le16, adi,
  				 data_len_max, &data_len_total, data_len,
  				 data, buf, evt_buf);
  
  		/* Check if more PDUs in the list */
  		node_rx_data = node_rx_data->hdr.rx_ftr.extra;
  		if (node_rx_data) {
  			if (*data_len >= data_len_total) {
  				/* Last fragment restricted to maximum scan
  				 * data length, caller will prepare the last
  				 * HCI fragment event.
  				 */
  				break;
  			} else if (*data_len) {
  				/* Last fragment of current PDU data */
  				ext_adv_pdu_frag(evt_type, phy, *sec_phy,
  						 adv_addr_type, adv_addr,
  						 direct_addr_type, direct_addr,
  						 rl_idx, *tx_pwr, rssi,
  						 interval_le16, adi,
  						 data_len_max, &data_len_total,
  						 data_len, data, buf, evt_buf);
  			}
  
  			/* Get next PDU data in list */
  			*data_len = ext_adv_data_get(node_rx_data, sec_phy,
  						     tx_pwr, data);
  
  			/* Restrict PDU data to maximum scan data length */
  			if (*data_len > data_len_total) {
  				*data_len = data_len_total;
  			}
  		}
  
  		/* Continue to fragment if current PDU data length less than
  		 * total data length or current PDU data length greater than
  		 * HCI event max length.
  		 */
  	} while ((*data_len < data_len_total) || (*data_len > data_len_max));
  }
  
  static void le_ext_adv_report(struct pdu_data *pdu_data,
  			      struct node_rx_pdu *node_rx,
  			      struct net_buf *buf, uint8_t phy)
  {
  	int8_t scan_rsp_tx_pwr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  	int8_t tx_pwr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  	struct node_rx_pdu *node_rx_scan_data = NULL;
  	struct node_rx_pdu *node_rx_data = NULL;
  	const struct pdu_adv_adi *adi = NULL;
  	uint16_t scan_data_len_total = 0U;
  	struct node_rx_pdu *node_rx_curr;
  	struct node_rx_pdu *node_rx_next;
  	const uint8_t *scan_data = NULL;
  	uint8_t scan_data_status = 0U;
  	uint8_t direct_addr_type = 0U;
  	uint16_t data_len_total = 0U;
  	uint8_t *direct_addr = NULL;
  	uint16_t interval_le16 = 0U;
  	const uint8_t *data = NULL;
  	uint8_t scan_data_len = 0U;
  	uint8_t adv_addr_type = 0U;
  	bool direct_report = false;
  	uint8_t sec_phy_scan = 0U;
  	uint8_t *adv_addr = NULL;
  	uint8_t data_status = 0U;
  	struct net_buf *evt_buf;
  	uint8_t data_len = 0U;
  	uint8_t evt_type = 0U;
  	uint8_t sec_phy = 0U;
  	uint8_t data_len_max;
  	uint8_t rl_idx = 0U;
  	struct pdu_adv *adv;
  	int8_t rssi;
  
  	/* NOTE: This function uses a lot of initializers before the check and
  	 * return below, as an exception to initializing close to their locality
  	 * of reference. This is acceptable as the return is unlikely in typical
  	 * Controller use.
  	 */
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_EXT_ADVERTISING_REPORT)) {
  		node_rx_extra_list_release(node_rx->hdr.rx_ftr.extra);
  		return;
  	}
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	rl_idx = ll_rl_size_get();
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  	adv = (void *)pdu_data;
  	node_rx_curr = node_rx;
  	node_rx_next = node_rx_curr->hdr.rx_ftr.extra;
  	do {
  		int8_t tx_pwr_curr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  		struct pdu_adv_adi *adi_curr = NULL;
  		uint8_t direct_addr_type_curr = 0U;
  		bool direct_resolved_curr = false;
  		uint8_t *direct_addr_curr = NULL;
  		uint8_t adv_addr_type_curr = 0U;
  		struct pdu_adv_com_ext_adv *p;
  		uint8_t *adv_addr_curr = NULL;
  		uint8_t data_len_curr = 0U;
  		uint8_t *data_curr = NULL;
  		struct pdu_adv_ext_hdr *h;
  		uint8_t sec_phy_curr = 0U;
  		uint8_t evt_type_curr;
  		uint8_t hdr_buf_len;
  		uint8_t hdr_len;
  		uint8_t *ptr;
  
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  		bool direct_report_curr = node_rx_curr->hdr.rx_ftr.direct;
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  		uint8_t rl_idx_curr = node_rx_curr->hdr.rx_ftr.rl_idx;
  
  		direct_resolved_curr = node_rx_curr->hdr.rx_ftr.direct_resolved;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  		/* The Link Layer currently returns RSSI as an absolute value */
  		rssi = -(node_rx_curr->hdr.rx_ftr.rssi);
  
  		BT_DBG("phy= 0x%x, type= 0x%x, len= %u, tat= %u, rat= %u,"
  		       " rssi=%d dB", phy, adv->type, adv->len, adv->tx_addr,
  		       adv->rx_addr, rssi);
  
  		p = (void *)&adv->adv_ext_ind;
  		h = (void *)p->ext_hdr_adv_data;
  		ptr = (void *)h;
  
  		BT_DBG("    Ext. adv mode= 0x%x, hdr len= %u", p->adv_mode,
  		       p->ext_hdr_len);
  
  		evt_type_curr = p->adv_mode;
  
  		if (!p->ext_hdr_len) {
  			hdr_len = PDU_AC_EXT_HEADER_SIZE_MIN;
  
  			goto no_ext_hdr;
  		}
  
  		ptr = h->data;
  
  		if (h->adv_addr) {
  			bt_addr_le_t addr;
  
  			adv_addr_type_curr = adv->tx_addr;
  			adv_addr_curr = ptr;
  
  			addr.type = adv->tx_addr;
  			(void)memcpy(addr.a.val, ptr, sizeof(bt_addr_t));
  			ptr += BDADDR_SIZE;
  
  			BT_DBG("    AdvA: %s", bt_addr_le_str(&addr));
  		}
  
  		if (h->tgt_addr) {
  			struct lll_scan *lll;
  			bt_addr_le_t addr;
  
  			lll = node_rx->hdr.rx_ftr.param;
  			direct_addr_type_curr =
  				ext_adv_direct_addr_type(lll,
  							 direct_resolved_curr,
  							 direct_report_curr,
  							 adv->rx_addr, ptr);
  			direct_addr_curr = ptr;
  			ptr += BDADDR_SIZE;
  
  			addr.type = adv->rx_addr;
  			(void)memcpy(addr.a.val, direct_addr_curr,
  				     sizeof(bt_addr_t));
  
  			BT_DBG("    TgtA: %s", bt_addr_le_str(&addr));
  		}
  
  		if (h->adi) {
  			adi_curr = (void *)ptr;
  
  			ptr += sizeof(*adi);
  
  			BT_DBG("    AdvDataInfo DID = 0x%x, SID = 0x%x",
  			       adi->did, adi->sid);
  		}
  
  		if (h->aux_ptr) {
  			struct pdu_adv_aux_ptr *aux_ptr;
  			uint8_t aux_phy;
  
  			aux_ptr = (void *)ptr;
  			if (aux_ptr->phy > EXT_ADV_AUX_PHY_LE_CODED) {
  				struct node_rx_ftr *ftr;
  
  				ftr = &node_rx->hdr.rx_ftr;
  				node_rx_extra_list_release(ftr->extra);
  				return;
  			}
  
  			ptr += sizeof(*aux_ptr);
  
  			sec_phy_curr = HCI_AUX_PHY_TO_HCI_PHY(aux_ptr->phy);
  
  			aux_phy = BIT(aux_ptr->phy);
  
  			BT_DBG("    AuxPtr chan_idx = %u, ca = %u, offs_units "
  			       "= %u offs = 0x%x, phy = 0x%x",
  			       aux_ptr->chan_idx, aux_ptr->ca,
  			       aux_ptr->offs_units, aux_ptr->offs, aux_phy);
  		}
  
  		if (h->sync_info) {
  			struct pdu_adv_sync_info *si;
  
  			si = (void *)ptr;
  			ptr += sizeof(*si);
  
  			interval_le16 = si->interval;
  
  			BT_DBG("    SyncInfo offs = %u, offs_unit = 0x%x, "
  			       "interval = 0x%x, sca = 0x%x, "
  			       "chan map = 0x%x 0x%x 0x%x 0x%x 0x%x, "
  			       "AA = 0x%x, CRC = 0x%x 0x%x 0x%x, "
  			       "evt cntr = 0x%x",
  			       sys_le16_to_cpu(si->offs),
  			       si->offs_units,
  			       sys_le16_to_cpu(si->interval),
  			       ((si->sca_chm[PDU_SYNC_INFO_SCA_CHM_SCA_BYTE_OFFSET] &
  				 PDU_SYNC_INFO_SCA_CHM_SCA_BIT_MASK) >>
  				PDU_SYNC_INFO_SCA_CHM_SCA_BIT_POS),
  			       si->sca_chm[0], si->sca_chm[1], si->sca_chm[2],
  			       si->sca_chm[3],
  			       (si->sca_chm[PDU_SYNC_INFO_SCA_CHM_SCA_BYTE_OFFSET] &
  				~PDU_SYNC_INFO_SCA_CHM_SCA_BIT_MASK),
  			       sys_le32_to_cpu(si->aa),
  			       si->crc_init[0], si->crc_init[1],
  			       si->crc_init[2], sys_le16_to_cpu(si->evt_cntr));
  		}
  
  		if (h->tx_pwr) {
  			tx_pwr_curr = *(int8_t *)ptr;
  			ptr++;
  
  			BT_DBG("    Tx pwr= %d dB", tx_pwr_curr);
  		}
  
  		hdr_len = ptr - (uint8_t *)p;
  		hdr_buf_len = PDU_AC_EXT_HEADER_SIZE_MIN + p->ext_hdr_len;
  		if (hdr_len > hdr_buf_len) {
  			BT_WARN("    Header length %u/%u, INVALID.", hdr_len,
  				p->ext_hdr_len);
  		} else {
  			uint8_t acad_len = hdr_buf_len - hdr_len;
  
  			if (acad_len) {
  				ptr += acad_len;
  				hdr_len += acad_len;
  			}
  		}
  
  no_ext_hdr:
  		if (hdr_len < adv->len) {
  			data_len_curr = adv->len - hdr_len;
  			data_curr = ptr;
  
  			BT_DBG("    AD Data (%u): <todo>", data_len);
  		}
  
  		if (node_rx_curr == node_rx) {
  			evt_type = evt_type_curr;
  			adv_addr_type = adv_addr_type_curr;
  			adv_addr = adv_addr_curr;
  			direct_addr_type = direct_addr_type_curr;
  			direct_addr = direct_addr_curr;
  			adi = adi_curr;
  			sec_phy = sec_phy_curr;
  			node_rx_data = node_rx_curr;
  			data_len = data_len_curr;
  			data_len_total = data_len;
  			data = data_curr;
  			scan_data_len_total = 0U;
  			tx_pwr = tx_pwr_curr;
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  			rl_idx = rl_idx_curr;
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  			direct_report = direct_report_curr;
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  		} else {
  			/* TODO: Validate current value with previous */
  
  			/* Detect the scan response in the list of node_rx */
  			if (node_rx_curr->hdr.rx_ftr.scan_rsp) {
  				node_rx_scan_data = node_rx_curr;
  				if (sec_phy_curr) {
  					sec_phy_scan = sec_phy_curr;
  				} else {
  					sec_phy_scan = sec_phy;
  				}
  				scan_data_len = data_len_curr;
  				scan_data = data_curr;
  				scan_rsp_tx_pwr = tx_pwr_curr;
  			}
  
  			if (!adv_addr) {
  				adv_addr_type = adv_addr_type_curr;
  				adv_addr = adv_addr_curr;
  			}
  
  			if (!direct_addr) {
  				direct_addr_type = direct_addr_type_curr;
  				direct_addr = direct_addr_curr;
  			}
  
  			if (scan_data) {
  				scan_data_len_total += data_len_curr;
  			} else if (!data) {
  				node_rx_data = node_rx_curr;
  				data_len = data_len_curr;
  				data_len_total = data_len;
  				data = data_curr;
  				tx_pwr = tx_pwr_curr;
  			} else {
  				data_len_total += data_len_curr;
  			}
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  			if (rl_idx >= ll_rl_size_get()) {
  				rl_idx = rl_idx_curr;
  			}
  #endif /* CONFIG_BT_CTLR_PRIVACY */
  
  #if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
  			if (!direct_report) {
  				direct_report = direct_report_curr;
  			}
  #endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
  		}
  
  		if (!node_rx_next) {
  			bool has_aux_ptr = !!sec_phy_curr;
  
  			if (scan_data) {
  				if (has_aux_ptr) {
  					scan_data_status =
  				  BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_INCOMPLETE;
  				}
  			} else if (has_aux_ptr) {
  				data_status =
  				  BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_INCOMPLETE;
  			}
  
  			break;
  		}
  
  		node_rx_curr = node_rx_next;
  		node_rx_next = node_rx_curr->hdr.rx_ftr.extra;
  		adv = (void *)node_rx_curr->pdu;
  	} while (1);
  
  #if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
  	if (adv_addr) {
  		if (dup_scan &&
  		    dup_found(PDU_ADV_TYPE_EXT_IND, adv_addr_type, adv_addr,
  			      (evt_type & BIT_MASK(2)), adi, data_status)) {
  			node_rx_extra_list_release(node_rx->hdr.rx_ftr.extra);
  			return;
  		}
  	}
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
  
  	/* If data incomplete */
  	if (data_status) {
  		/* Data incomplete and no more to come */
  		if (!(adv_addr ||
  		      (adi && ((tx_pwr != BT_HCI_LE_ADV_TX_POWER_NO_PREF) ||
  			       data)))) {
  			/* No device address and no valid AD data parsed or
  			 * Tx Power present for this PDU chain that has ADI,
  			 * skip HCI event generation.
  			 * In other terms, generate HCI event if device address
  			 * is present or if Tx pwr and/or data is present from
  			 * anonymous device.
  			 */
  			node_rx_extra_list_release(node_rx->hdr.rx_ftr.extra);
  			return;
  		}
  	}
  
  	/* Restrict data length to maximum scan data length */
  	if (data_len_total > CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX) {
  		data_len_total = CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX;
  		if (data_len > data_len_total) {
  			data_len = data_len_total;
  		}
  
  		data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_INCOMPLETE;
  	}
  
  	/* Set directed advertising bit */
  	if (direct_addr) {
  		evt_type |= BT_HCI_LE_ADV_EVT_TYPE_DIRECT;
  	}
  
  	/* HCI fragment */
  	evt_buf = buf;
  	data_len_max = CONFIG_BT_BUF_EVT_RX_SIZE -
  		       sizeof(struct bt_hci_evt_le_meta_event) -
  		       sizeof(struct bt_hci_evt_le_ext_advertising_report) -
  		       sizeof(struct bt_hci_evt_le_ext_advertising_info);
  
  	/* If PDU data length less than total data length or PDU data length
  	 * greater than maximum HCI event data length, then fragment.
  	 */
  	if ((data_len < data_len_total) || (data_len > data_len_max)) {
  		ext_adv_data_frag(node_rx_data, evt_type, phy, &sec_phy,
  				  adv_addr_type, adv_addr, direct_addr_type,
  				  direct_addr, rl_idx, &tx_pwr, rssi,
  				  interval_le16, adi, data_len_max,
  				  data_len_total, &data_len, &data, buf,
  				  &evt_buf);
  	}
  
  	/* Set data status bits */
  	evt_type |= (data_status << 5);
  
  	/* Start constructing the adv event for remainder of the PDU data */
  	ext_adv_info_fill(evt_type, phy, sec_phy, adv_addr_type, adv_addr,
  			  direct_addr_type, direct_addr, rl_idx, tx_pwr, rssi,
  			  interval_le16, adi, data_len, data, evt_buf);
  
  	/* If scan response event to be constructed */
  	if (!scan_data) {
  		node_rx_extra_list_release(node_rx->hdr.rx_ftr.extra);
  
  		return;
  	}
  
  	/* Restrict scan response data length to maximum scan data length */
  	if (scan_data_len_total > CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX) {
  		scan_data_len_total = CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX;
  		if (scan_data_len > scan_data_len_total) {
  			scan_data_len = scan_data_len_total;
  		}
  
  		scan_data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_INCOMPLETE;
  	}
  
  	/* Set scan response bit */
  	evt_type |= BT_HCI_LE_ADV_EVT_TYPE_SCAN_RSP;
  
  	/* Clear the data status bits */
  	evt_type &= ~(BIT_MASK(2) << 5);
  
  	/* Allocate, append as buf fragement and construct the scan response
  	 * event.
  	 */
  	evt_buf = bt_buf_get_rx(BT_BUF_EVT, K_FOREVER);
  	net_buf_frag_add(buf, evt_buf);
  
  	/* If PDU data length less than total data length or PDU data length
  	 * greater than maximum HCI event data length, then fragment.
  	 */
  	if ((scan_data_len < scan_data_len_total) ||
  	    (scan_data_len > data_len_max)) {
  		ext_adv_data_frag(node_rx_scan_data, evt_type, phy,
  				  &sec_phy_scan, adv_addr_type, adv_addr,
  				  direct_addr_type, direct_addr, rl_idx,
  				  &scan_rsp_tx_pwr, rssi, interval_le16, adi,
  				  data_len_max, scan_data_len_total,
  				  &scan_data_len, &scan_data, buf, &evt_buf);
  	}
  
  	/* set scan data status bits */
  	evt_type |= (scan_data_status << 5);
  
  	/* Start constructing the event for remainder of the PDU data */
  	ext_adv_info_fill(evt_type, phy, sec_phy_scan, adv_addr_type, adv_addr,
  			  direct_addr_type, direct_addr, rl_idx,
  			  scan_rsp_tx_pwr, rssi, interval_le16, adi,
  			  scan_data_len, scan_data, evt_buf);
  
  	node_rx_extra_list_release(node_rx->hdr.rx_ftr.extra);
  }
  
  static void le_adv_ext_report(struct pdu_data *pdu_data,
  			      struct node_rx_pdu *node_rx,
  			      struct net_buf *buf, uint8_t phy)
  {
  	struct pdu_adv *adv = (void *)pdu_data;
  
  	if ((adv->type == PDU_ADV_TYPE_EXT_IND) && adv->len) {
  		le_ext_adv_report(pdu_data, node_rx, buf, phy);
  	} else {
  		le_ext_adv_legacy_report(pdu_data, node_rx, buf);
  	}
  }
  
  static void le_adv_ext_1M_report(struct pdu_data *pdu_data,
  				 struct node_rx_pdu *node_rx,
  				 struct net_buf *buf)
  {
  	le_adv_ext_report(pdu_data, node_rx, buf, BT_HCI_LE_EXT_SCAN_PHY_1M);
  }
  
  static void le_adv_ext_2M_report(struct pdu_data *pdu_data,
  				 struct node_rx_pdu *node_rx,
  				 struct net_buf *buf)
  {
  	le_adv_ext_report(pdu_data, node_rx, buf, BT_HCI_LE_EXT_SCAN_PHY_2M);
  }
  
  static void le_adv_ext_coded_report(struct pdu_data *pdu_data,
  				    struct node_rx_pdu *node_rx,
  				    struct net_buf *buf)
  {
  	le_adv_ext_report(pdu_data, node_rx, buf, BT_HCI_LE_EXT_SCAN_PHY_CODED);
  }
  
  static void le_scan_timeout(struct pdu_data *pdu_data,
  			    struct node_rx_pdu *node_rx, struct net_buf *buf)
  {
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_SCAN_TIMEOUT)) {
  		return;
  	}
  
  	meta_evt(buf, BT_HCI_EVT_LE_SCAN_TIMEOUT, 0U);
  }
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC)
  static void le_per_adv_sync_established(struct pdu_data *pdu_data,
  					struct node_rx_pdu *node_rx,
  					struct net_buf *buf)
  {
  	struct bt_hci_evt_le_per_adv_sync_established *sep;
  	struct ll_scan_set *scan;
  	struct node_rx_sync *se;
  	void *node;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_PER_ADV_SYNC_ESTABLISHED)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_PER_ADV_SYNC_ESTABLISHED,
  		       sizeof(*sep));
  
  	/* Check for pdu field being aligned before accessing sync established
  	 * event.
  	 */
  	node = pdu_data;
  	LL_ASSERT(IS_PTR_ALIGNED(node, struct node_rx_sync));
  
  	se = node;
  	sep->status = se->status;
  
  	if (se->status == BT_HCI_ERR_OP_CANCELLED_BY_HOST) {
  		return;
  	}
  
  	scan = node_rx->hdr.rx_ftr.param;
  
  	dup_periodic_adv_reset(scan->periodic.adv_addr_type,
  			       scan->periodic.adv_addr,
  			       scan->periodic.sid);
  
  	sep->handle = sys_cpu_to_le16(node_rx->hdr.handle);
  
  	/* Resolved address, if private, has been populated in ULL */
  	sep->adv_addr.type = scan->periodic.adv_addr_type;
  	(void)memcpy(sep->adv_addr.a.val, scan->periodic.adv_addr, BDADDR_SIZE);
  
  	sep->sid = scan->periodic.sid;
  	sep->phy = find_lsb_set(se->phy);
  	sep->interval = sys_cpu_to_le16(se->interval);
  	sep->clock_accuracy = se->sca;
  }
  
  static void le_per_adv_sync_report(struct pdu_data *pdu_data,
  				   struct node_rx_pdu *node_rx,
  				   struct net_buf *buf)
  {
  	struct node_rx_ftr *ftr = &node_rx->hdr.rx_ftr;
  	int8_t tx_pwr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  	struct pdu_adv *adv = (void *)pdu_data;
  	struct pdu_adv_aux_ptr *aux_ptr = NULL;
  	const struct pdu_adv_adi *adi = NULL;
  	uint8_t cte_type = BT_HCI_LE_NO_CTE;
  	struct pdu_adv_com_ext_adv *p;
  	struct pdu_adv_ext_hdr *h;
  	uint16_t data_len_total;
  	struct net_buf *evt_buf;
  	uint8_t data_len = 0U;
  	uint8_t acad_len = 0U;
  	uint8_t *data = NULL;
  	uint8_t data_len_max;
  	uint8_t *acad = NULL;
  	uint8_t hdr_buf_len;
  	uint8_t hdr_len;
  	uint8_t *ptr;
  	int8_t rssi;
  	bool accept;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    (!(le_event_mask & BT_EVT_MASK_LE_PER_ADVERTISING_REPORT) &&
  	     !(le_event_mask & BT_EVT_MASK_LE_BIGINFO_ADV_REPORT))) {
  		return;
  	}
  
  	if ((le_event_mask & BT_EVT_MASK_LE_PER_ADVERTISING_REPORT) &&
  	    node_rx->hdr.rx_ftr.aux_failed) {
  		struct bt_hci_evt_le_per_advertising_report *sep;
  
  		sep = meta_evt(buf,
  			       BT_HCI_EVT_LE_PER_ADVERTISING_REPORT,
  			       sizeof(*sep));
  
  		sep->handle = sys_cpu_to_le16(node_rx->hdr.handle);
  		sep->tx_power = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  		sep->rssi = BT_HCI_LE_RSSI_NOT_AVAILABLE;
  		sep->cte_type = BT_HCI_LE_NO_CTE;
  		sep->data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_INCOMPLETE;
  		sep->length = 0;
  
  		return;
  	}
  
  	/* The Link Layer currently returns RSSI as an absolute value */
  	rssi = -(node_rx->hdr.rx_ftr.rssi);
  
  	BT_DBG("len = %u, rssi = %d", adv->len, rssi);
  
  	p = (void *)&adv->adv_ext_ind;
  	h = (void *)p->ext_hdr_adv_data;
  	ptr = (void *)h;
  
  	BT_DBG("    Per. adv mode= 0x%x, hdr len= %u", p->adv_mode,
  	       p->ext_hdr_len);
  
  	if (!p->ext_hdr_len) {
  		hdr_len = PDU_AC_EXT_HEADER_SIZE_MIN;
  
  		goto no_ext_hdr;
  	}
  
  	ptr = h->data;
  
  	if (h->adv_addr) {
  		ptr += BDADDR_SIZE;
  	}
  
  	if (h->tgt_addr) {
  		ptr += BDADDR_SIZE;
  	}
  
  	if (h->cte_info) {
  		struct pdu_cte_info *cte_info;
  
  		cte_info = (void *)ptr;
  		cte_type = cte_info->type;
  		ptr++;
  
  		BT_DBG("    CTE type= %d", cte_type);
  	}
  
  	if (h->adi) {
  		adi = (void *)ptr;
  
  		ptr += sizeof(struct pdu_adv_adi);
  	}
  
  	/* AuxPtr */
  	if (h->aux_ptr) {
  		uint8_t aux_phy;
  
  		aux_ptr = (void *)ptr;
  		if (aux_ptr->phy > EXT_ADV_AUX_PHY_LE_CODED) {
  			return;
  		}
  
  		ptr += sizeof(*aux_ptr);
  
  		aux_phy = BIT(aux_ptr->phy);
  
  		BT_DBG("    AuxPtr chan_idx = %u, ca = %u, offs_units "
  		       "= %u offs = 0x%x, phy = 0x%x",
  		       aux_ptr->chan_idx, aux_ptr->ca,
  		       aux_ptr->offs_units, aux_ptr->offs, aux_phy);
  	}
  
  	/* No SyncInfo */
  	if (h->sync_info) {
  		ptr += sizeof(struct pdu_adv_sync_info);
  	}
  
  	/* Tx Power */
  	if (h->tx_pwr) {
  		tx_pwr = *(int8_t *)ptr;
  		ptr++;
  
  		BT_DBG("    Tx pwr= %d dB", tx_pwr);
  	}
  
  	hdr_len = ptr - (uint8_t *)p;
  	hdr_buf_len = PDU_AC_EXT_HEADER_SIZE_MIN + p->ext_hdr_len;
  	if (hdr_len > hdr_buf_len) {
  		BT_WARN("    Header length %u/%u, INVALID.", hdr_len,
  			p->ext_hdr_len);
  	} else {
  		acad_len = hdr_buf_len - hdr_len;
  		if (acad_len) {
  			acad = ptr;
  
  			ptr += acad_len;
  			hdr_len += acad_len;
  		}
  	}
  
  no_ext_hdr:
  	if (hdr_len < adv->len) {
  		data_len = adv->len - hdr_len;
  		data = ptr;
  
  		BT_DBG("    AD Data (%u): <todo>", data_len);
  	}
  
  	if (0) {
  
  #if (CONFIG_BT_CTLR_DUP_FILTER_LEN > 0) && \
  	defined(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT)
  	} else if (IS_ENABLED(CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT) &&
  		   adi) {
  		const struct ll_sync_set *sync = HDR_LLL2ULL(ftr->param);
  		uint8_t data_status;
  
  		data_status = (aux_ptr) ?
  			      BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_PARTIAL :
  			      BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_COMPLETE;
  
  		accept = ftr->sync_rx_enabled &&
  			 (!sync->nodups ||
  			  !dup_found(PDU_ADV_TYPE_EXT_IND,
  				     sync->peer_id_addr_type,
  				     sync->peer_id_addr,
  				     DUP_EXT_ADV_MODE_PERIODIC,
  				     adi, data_status));
  #endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 &&
  	* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT
  	*/
  
  	} else {
  		accept = ftr->sync_rx_enabled;
  	}
  
  	data_len_max = CONFIG_BT_BUF_EVT_RX_SIZE -
  		       sizeof(struct bt_hci_evt_le_meta_event) -
  		       sizeof(struct bt_hci_evt_le_per_advertising_report);
  	data_len_total = node_rx->hdr.rx_ftr.aux_data_len;
  
  	evt_buf = buf;
  
  	if ((le_event_mask & BT_EVT_MASK_LE_PER_ADVERTISING_REPORT) && accept &&
  	    ((data_len_total - data_len) < CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX)) {
  
  		/* Pass verdict in LL.TS.p19 section 4.2.3.6 Extended Scanning,
  		 * Passive, Periodic Advertising Report, RSSI and TX_Power
  		 * states:
  		 * TX_Power is set to value of the TxPower field for the
  		 * AUX_SYNC_IND received, and RSSI set to a valid value.
  		 * Subsequent reports with data and the status set to
  		 * "Incomplete, more data to come" or "complete" can have the
  		 * TX_Power field set to 0x7F.
  		 *
  		 * In the implementation data_len_total is the running total
  		 * AD data length so far, data_len is the current PDU's AD data
  		 * length. For AUX_SYNC_IND received, data_len_total ==
  		 * data_len.
  		 */
  		if (data_len_total > data_len) {
  			/* Subsequent reports */
  			tx_pwr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  		}
  
  		data_len = MIN(data_len, (CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX +
  					  data_len - data_len_total));
  
  		do {
  			struct bt_hci_evt_le_per_advertising_report *sep;
  			uint8_t data_len_frag;
  			uint8_t data_status;
  
  			data_len_frag = MIN(data_len, data_len_max);
  
  			/* Start constructing periodic advertising report */
  			sep = meta_evt(evt_buf,
  				       BT_HCI_EVT_LE_PER_ADVERTISING_REPORT,
  				       sizeof(*sep) + data_len_frag);
  
  			sep->handle = sys_cpu_to_le16(node_rx->hdr.handle);
  			sep->tx_power = tx_pwr;
  			sep->rssi = rssi;
  			sep->cte_type = cte_type;
  			sep->length = data_len_frag;
  			memcpy(&sep->data[0], data, data_len_frag);
  
  			data += data_len_frag;
  			data_len -= data_len_frag;
  
  			if (data_len > 0) {
  				/* Some data left in PDU, mark as partial data. */
  				data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_PARTIAL;
  
  				evt_buf = bt_buf_get_rx(BT_BUF_EVT, K_FOREVER);
  				net_buf_frag_add(buf, evt_buf);
  
  				tx_pwr = BT_HCI_LE_ADV_TX_POWER_NO_PREF;
  			} else if (!aux_ptr &&
  				   (data_len_total <= CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX)) {
  				/* No data left, no AuxPtr, mark as complete data. */
  				data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_COMPLETE;
  			} else if (ftr->aux_sched &&
  				   (data_len_total < CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX)) {
  				/* No data left, but have AuxPtr and scheduled aux scan,
  				 * mark as partial data.
  				 */
  				data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_PARTIAL;
  			} else {
  				/* No data left, have AuxPtr but not aux scan scheduled,
  				 * mark as incomplete data.
  				 */
  				data_status = BT_HCI_LE_ADV_EVT_TYPE_DATA_STATUS_INCOMPLETE;
  			}
  
  			sep->data_status = data_status;
  		} while (data_len > 0);
  
  		evt_buf = NULL;
  	}
  
  	if ((le_event_mask & BT_EVT_MASK_LE_BIGINFO_ADV_REPORT) && acad &&
  	    (acad_len >= (PDU_BIG_INFO_CLEARTEXT_SIZE +
  			  PDU_ADV_DATA_HEADER_SIZE))) {
  		struct bt_hci_evt_le_biginfo_adv_report *sep;
  		struct pdu_big_info *bi;
  		uint8_t bi_size;
  
  		/* FIXME: Parse and find the BIGInfo */
  		if (acad[PDU_ADV_DATA_HEADER_TYPE_OFFSET] != BT_DATA_BIG_INFO) {
  			return;
  		}
  
  		bi_size = acad[PDU_ADV_DATA_HEADER_LEN_OFFSET];
  		bi = (void *)&acad[PDU_ADV_DATA_HEADER_DATA_OFFSET];
  
  		/* Allocate new event buffer if periodic advertising report was
  		 * constructed with the caller supplied buffer.
  		 */
  		if (!evt_buf) {
  			evt_buf = bt_buf_get_rx(BT_BUF_EVT, K_FOREVER);
  
  			net_buf_frag_add(buf, evt_buf);
  		}
  
  		/* Start constructing BIGInfo  advertising report */
  		sep = meta_evt(evt_buf, BT_HCI_EVT_LE_BIGINFO_ADV_REPORT,
  			       sizeof(*sep));
  
  		sep->sync_handle = sys_cpu_to_le16(node_rx->hdr.handle);
  
  		/* NOTE: both sep and bi struct store little-endian values,
  		 *       explicit endian-ness conversion not required.
  		 */
  		sep->num_bis = bi->num_bis;
  		sep->nse = bi->nse;
  		sep->iso_interval = bi->iso_interval;
  		sep->bn = bi->bn;
  		sep->pto = bi->pto;
  		sep->irc = bi->irc;
  		sep->max_pdu = bi->max_pdu;
  		sys_put_le24(sys_le24_to_cpu(bi->sdu_interval),
  			     sep->sdu_interval);
  		sep->max_sdu = bi->max_sdu;
  		sep->phy = HCI_AUX_PHY_TO_HCI_PHY(bi->chm_phy[4] >> 5);
  		sep->framing = (bi->payload_count_framing[4] >> 7) & 0x01;
  		if (bi_size == (PDU_BIG_INFO_ENCRYPTED_SIZE + 1)) {
  			sep->encryption = 1U;
  		} else {
  			sep->encryption = 0U;
  		}
  	}
  }
  
  static void le_per_adv_sync_lost(struct pdu_data *pdu_data,
  				 struct node_rx_pdu *node_rx,
  				 struct net_buf *buf)
  {
  	struct bt_hci_evt_le_per_adv_sync_lost *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_PER_ADV_SYNC_LOST)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_PER_ADV_SYNC_LOST, sizeof(*sep));
  	sep->handle = sys_cpu_to_le16(node_rx->hdr.handle);
  }
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO)
  static void le_big_sync_established(struct pdu_data *pdu,
  				    struct node_rx_pdu *node_rx,
  				    struct net_buf *buf)
  {
  	struct bt_hci_evt_le_big_sync_established *sep;
  	struct ll_sync_iso_set *sync_iso;
  	struct node_rx_sync_iso *se;
  	struct lll_sync_iso *lll;
  	size_t evt_size;
  	void *node;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_BIG_SYNC_ESTABLISHED)) {
  		return;
  	}
  
  	sync_iso = node_rx->hdr.rx_ftr.param;
  	lll = &sync_iso->lll;
  
  	evt_size = sizeof(*sep) + (lll->num_bis * sizeof(uint16_t));
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_BIG_SYNC_ESTABLISHED, evt_size);
  	sep->big_handle = sys_cpu_to_le16(node_rx->hdr.handle);
  
  	/* Check for pdu field being aligned before accessing ISO sync
  	 * established event.
  	 */
  	node = pdu;
  	LL_ASSERT(IS_PTR_ALIGNED(node, struct node_rx_sync_iso));
  
  	se = node;
  	sep->status = se->status;
  	if (sep->status) {
  		return;
  	}
  
  	/* FIXME: Fill latency */
  	sys_put_le24(0, sep->latency);
  
  	sep->nse = lll->nse;
  	sep->bn = lll->bn;
  	sep->pto = lll->pto;
  	sep->irc = lll->irc;
  	sep->max_pdu = sys_cpu_to_le16(lll->max_pdu);
  	sep->iso_interval = sys_cpu_to_le16(lll->iso_interval);
  	sep->num_bis = lll->stream_count;
  
  	/* Connection handle list of all BISes synchronized in the BIG */
  	for (uint8_t i = 0U; i < lll->stream_count; i++) {
  		uint16_t handle;
  
  		handle = BT_CTLR_SYNC_ISO_STREAM_HANDLE_BASE +
  			 lll->stream_handle[i];
  		sep->handle[i] = sys_cpu_to_le16(handle);
  	}
  }
  
  static void le_big_sync_lost(struct pdu_data *pdu,
  			     struct node_rx_pdu *node_rx,
  			     struct net_buf *buf)
  {
  	struct bt_hci_evt_le_big_sync_lost *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_BIG_SYNC_LOST)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_BIG_SYNC_LOST, sizeof(*sep));
  	sep->big_handle = sys_cpu_to_le16(node_rx->hdr.handle);
  	sep->reason = *((uint8_t *)pdu);
  }
  #endif /* CONFIG_BT_CTLR_SYNC_ISO */
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_BROADCASTER)
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  static void le_adv_ext_terminate(struct pdu_data *pdu_data,
  				    struct node_rx_pdu *node_rx,
  				    struct net_buf *buf)
  {
  	struct bt_hci_evt_le_adv_set_terminated *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_ADV_SET_TERMINATED)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_ADV_SET_TERMINATED, sizeof(*sep));
  	sep->status = node_rx->hdr.rx_ftr.param_adv_term.status;
  	sep->adv_handle = ll_adv_set_hci_handle_get(node_rx->hdr.handle & 0xff);
  	sep->conn_handle =
  		sys_cpu_to_le16(node_rx->hdr.rx_ftr.param_adv_term.conn_handle);
  	sep->num_completed_ext_adv_evts =
  		node_rx->hdr.rx_ftr.param_adv_term.num_events;
  }
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO)
  static void le_big_complete(struct pdu_data *pdu_data,
  			    struct node_rx_pdu *node_rx,
  			    struct net_buf *buf)
  {
  	struct bt_hci_evt_le_big_complete *sep;
  	struct ll_adv_iso_set *adv_iso;
  	struct lll_adv_iso *lll;
  	size_t evt_size;
  
  	adv_iso = node_rx->hdr.rx_ftr.param;
  	lll = &adv_iso->lll;
  
  	evt_size = sizeof(*sep) + (lll->num_bis * sizeof(uint16_t));
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_BIG_COMPLETE, evt_size);
  
  	sep->status = BT_HCI_ERR_SUCCESS;
  	sep->big_handle = sys_cpu_to_le16(node_rx->hdr.handle);
  
  	if (sep->status) {
  		return;
  	}
  
  	/* FIXME: Fill sync delay and latency */
  	sys_put_le24(0, sep->sync_delay);
  	sys_put_le24(0, sep->latency);
  
  	sep->phy = find_lsb_set(lll->phy);
  	sep->nse = lll->nse;
  	sep->bn = lll->bn;
  	sep->pto = lll->pto;
  	sep->irc = lll->irc;
  	sep->max_pdu = sys_cpu_to_le16(lll->max_pdu);
  	sep->num_bis = lll->num_bis;
  
  	/* Connection handle list of all BISes in the BIG */
  	for (uint8_t i = 0U; i < lll->num_bis; i++) {
  		uint16_t handle;
  
  		handle = BT_CTLR_ADV_ISO_STREAM_HANDLE_BASE +
  			 lll->stream_handle[i];
  		sep->handle[i] = sys_cpu_to_le16(handle);
  	}
  }
  
  static void le_big_terminate(struct pdu_data *pdu,
  			     struct node_rx_pdu *node_rx,
  			     struct net_buf *buf)
  {
  	struct bt_hci_evt_le_big_terminate *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_BIG_TERMINATED)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_BIG_TERMINATE, sizeof(*sep));
  	sep->big_handle = sys_cpu_to_le16(node_rx->hdr.handle);
  	sep->reason = *((uint8_t *)pdu);
  }
  #endif /* CONFIG_BT_CTLR_ADV_ISO */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY)
  static void le_scan_req_received(struct pdu_data *pdu_data,
  				 struct node_rx_pdu *node_rx,
  				 struct net_buf *buf)
  {
  	struct pdu_adv *adv = (void *)pdu_data;
  	struct bt_hci_evt_le_scan_req_received *sep;
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	uint8_t rl_idx;
  #endif
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_SCAN_REQ_RECEIVED)) {
  		bt_addr_le_t addr;
  		uint8_t handle;
  		int8_t rssi;
  
  		handle = ll_adv_set_hci_handle_get(node_rx->hdr.handle & 0xff);
  		addr.type = adv->tx_addr;
  		memcpy(&addr.a.val[0], &adv->scan_req.scan_addr[0],
  		       sizeof(bt_addr_t));
  
  		/* The Link Layer currently returns RSSI as an absolute value */
  		rssi = -(node_rx->hdr.rx_ftr.rssi);
  
  		BT_DBG("handle: %d, addr: %s, rssi: %d dB.",
  		       handle, bt_addr_le_str(&addr), rssi);
  
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_SCAN_REQ_RECEIVED, sizeof(*sep));
  	sep->handle = ll_adv_set_hci_handle_get(node_rx->hdr.handle & 0xff);
  	sep->addr.type = adv->tx_addr;
  	memcpy(&sep->addr.a.val[0], &adv->scan_req.scan_addr[0],
  	       sizeof(bt_addr_t));
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	rl_idx = node_rx->hdr.rx_ftr.rl_idx;
  	if (rl_idx < ll_rl_size_get()) {
  		/* Store identity address */
  		ll_rl_id_addr_get(rl_idx, &sep->addr.type,
  				  &sep->addr.a.val[0]);
  		/* Mark it as identity address from RPA (0x02, 0x03) */
  		sep->addr.type += 2U;
  	} else {
  #else
  	if (1) {
  #endif
  		sep->addr.type = adv->tx_addr;
  		memcpy(&sep->addr.a.val[0], &adv->adv_ind.addr[0],
  		       sizeof(bt_addr_t));
  	}
  }
  #endif /* CONFIG_BT_CTLR_SCAN_REQ_NOTIFY */
  
  #if defined(CONFIG_BT_CONN)
  static void le_conn_complete(struct pdu_data *pdu_data, uint16_t handle,
  			     struct net_buf *buf)
  {
  	struct bt_hci_evt_le_conn_complete *lecc;
  	struct node_rx_cc *cc;
  	uint8_t status;
  	void *node;
  
  	/* Check for pdu field being aligned before accessing connection
  	 * complete event.
  	 */
  	node = pdu_data;
  	LL_ASSERT(IS_PTR_ALIGNED(node, struct node_rx_cc));
  
  	cc = node;
  	status = cc->status;
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  	if (!status) {
  		/* Update current RPA */
  		ll_rl_crpa_set(cc->peer_addr_type,
  			       &cc->peer_addr[0], 0xff,
  			       &cc->peer_rpa[0]);
  	}
  #endif
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    (!(le_event_mask & BT_EVT_MASK_LE_CONN_COMPLETE) &&
  #if defined(CONFIG_BT_CTLR_PRIVACY) || defined(CONFIG_BT_CTLR_ADV_EXT)
  	     !(le_event_mask & BT_EVT_MASK_LE_ENH_CONN_COMPLETE))) {
  #else
  	     1)) {
  #endif /* CONFIG_BT_CTLR_PRIVACY || CONFIG_BT_CTLR_ADV_EXT */
  		return;
  	}
  
  	if (!status) {
  		conn_count++;
  	}
  
  #if defined(CONFIG_BT_CTLR_PRIVACY) || defined(CONFIG_BT_CTLR_ADV_EXT)
  	if (le_event_mask & BT_EVT_MASK_LE_ENH_CONN_COMPLETE) {
  		struct bt_hci_evt_le_enh_conn_complete *leecc;
  
  		leecc = meta_evt(buf, BT_HCI_EVT_LE_ENH_CONN_COMPLETE,
  				 sizeof(*leecc));
  
  		if (status) {
  			(void)memset(leecc, 0x00, sizeof(*leecc));
  			leecc->status = status;
  			return;
  		}
  
  		leecc->status = 0x00;
  		leecc->handle = sys_cpu_to_le16(handle);
  		leecc->role = cc->role;
  
  		leecc->peer_addr.type = cc->peer_addr_type;
  		memcpy(&leecc->peer_addr.a.val[0], &cc->peer_addr[0],
  		       BDADDR_SIZE);
  
  #if defined(CONFIG_BT_CTLR_PRIVACY)
  		memcpy(&leecc->local_rpa.val[0], &cc->local_rpa[0],
  		       BDADDR_SIZE);
  		memcpy(&leecc->peer_rpa.val[0], &cc->peer_rpa[0],
  		       BDADDR_SIZE);
  #else /* !CONFIG_BT_CTLR_PRIVACY */
  		memset(&leecc->local_rpa.val[0], 0, BDADDR_SIZE);
  		memset(&leecc->peer_rpa.val[0], 0, BDADDR_SIZE);
  #endif /* !CONFIG_BT_CTLR_PRIVACY */
  
  		leecc->interval = sys_cpu_to_le16(cc->interval);
  		leecc->latency = sys_cpu_to_le16(cc->latency);
  		leecc->supv_timeout = sys_cpu_to_le16(cc->timeout);
  		leecc->clock_accuracy = cc->sca;
  		return;
  	}
  #endif /* CONFIG_BT_CTLR_PRIVACY || CONFIG_BT_CTLR_ADV_EXT */
  
  	lecc = meta_evt(buf, BT_HCI_EVT_LE_CONN_COMPLETE, sizeof(*lecc));
  
  	if (status) {
  		(void)memset(lecc, 0x00, sizeof(*lecc));
  		lecc->status = status;
  		return;
  	}
  
  	lecc->status = 0x00;
  	lecc->handle = sys_cpu_to_le16(handle);
  	lecc->role = cc->role;
  	lecc->peer_addr.type = cc->peer_addr_type & 0x1;
  	memcpy(&lecc->peer_addr.a.val[0], &cc->peer_addr[0], BDADDR_SIZE);
  	lecc->interval = sys_cpu_to_le16(cc->interval);
  	lecc->latency = sys_cpu_to_le16(cc->latency);
  	lecc->supv_timeout = sys_cpu_to_le16(cc->timeout);
  	lecc->clock_accuracy = cc->sca;
  }
  
  void hci_disconn_complete_encode(struct pdu_data *pdu_data, uint16_t handle,
  				 struct net_buf *buf)
  {
  	struct bt_hci_evt_disconn_complete *ep;
  
  	if (!(event_mask & BT_EVT_MASK_DISCONN_COMPLETE)) {
  		return;
  	}
  
  	hci_evt_create(buf, BT_HCI_EVT_DISCONN_COMPLETE, sizeof(*ep));
  	ep = net_buf_add(buf, sizeof(*ep));
  
  	ep->status = 0x00;
  	ep->handle = sys_cpu_to_le16(handle);
  	ep->reason = *((uint8_t *)pdu_data);
  }
  
  void hci_disconn_complete_process(uint16_t handle)
  {
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  	/* Clear any pending packets upon disconnection */
  	/* Note: This requires linear handle values starting from 0 */
  	LL_ASSERT(handle < ARRAY_SIZE(hci_hbuf_pend));
  	hci_hbuf_acked += hci_hbuf_pend[handle];
  	hci_hbuf_pend[handle] = 0U;
  #endif /* CONFIG_BT_HCI_ACL_FLOW_CONTROL */
  	conn_count--;
  }
  
  static void le_conn_update_complete(struct pdu_data *pdu_data, uint16_t handle,
  				    struct net_buf *buf)
  {
  	struct bt_hci_evt_le_conn_update_complete *sep;
  	struct node_rx_cu *cu;
  	void *node;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CONN_UPDATE_COMPLETE)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CONN_UPDATE_COMPLETE, sizeof(*sep));
  
  	/* Check for pdu field being aligned before accessing connection
  	 * update complete event.
  	 */
  	node = pdu_data;
  	LL_ASSERT(IS_PTR_ALIGNED(node, struct node_rx_cu));
  
  	cu = node;
  	sep->status = cu->status;
  	sep->handle = sys_cpu_to_le16(handle);
  	sep->interval = sys_cpu_to_le16(cu->interval);
  	sep->latency = sys_cpu_to_le16(cu->latency);
  	sep->supv_timeout = sys_cpu_to_le16(cu->timeout);
  }
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  static void enc_refresh_complete(struct pdu_data *pdu_data, uint16_t handle,
  				 struct net_buf *buf)
  {
  	struct bt_hci_evt_encrypt_key_refresh_complete *ep;
  
  	if (!(event_mask & BT_EVT_MASK_ENCRYPT_KEY_REFRESH_COMPLETE)) {
  		return;
  	}
  
  	hci_evt_create(buf, BT_HCI_EVT_ENCRYPT_KEY_REFRESH_COMPLETE,
  		       sizeof(*ep));
  	ep = net_buf_add(buf, sizeof(*ep));
  
  	ep->status = 0x00;
  	ep->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_LE_PING)
  static void auth_payload_timeout_exp(struct pdu_data *pdu_data, uint16_t handle,
  				     struct net_buf *buf)
  {
  	struct bt_hci_evt_auth_payload_timeout_exp *ep;
  
  	if (!(event_mask_page_2 & BT_EVT_MASK_AUTH_PAYLOAD_TIMEOUT_EXP)) {
  		return;
  	}
  
  	hci_evt_create(buf, BT_HCI_EVT_AUTH_PAYLOAD_TIMEOUT_EXP, sizeof(*ep));
  	ep = net_buf_add(buf, sizeof(*ep));
  
  	ep->handle = sys_cpu_to_le16(handle);
  }
  #endif /* CONFIG_BT_CTLR_LE_PING */
  
  #if defined(CONFIG_BT_CTLR_CHAN_SEL_2)
  static void le_chan_sel_algo(struct pdu_data *pdu_data, uint16_t handle,
  			     struct net_buf *buf)
  {
  	struct bt_hci_evt_le_chan_sel_algo *sep;
  	struct node_rx_cs *cs;
  
  	cs = (void *)pdu_data;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CHAN_SEL_ALGO)) {
  		BT_DBG("handle: 0x%04x, CSA: %x.", handle, cs->csa);
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CHAN_SEL_ALGO, sizeof(*sep));
  
  	sep->handle = sys_cpu_to_le16(handle);
  	sep->chan_sel_algo = cs->csa;
  }
  #endif /* CONFIG_BT_CTLR_CHAN_SEL_2 */
  
  #if defined(CONFIG_BT_CTLR_PHY)
  static void le_phy_upd_complete(struct pdu_data *pdu_data, uint16_t handle,
  				struct net_buf *buf)
  {
  	struct bt_hci_evt_le_phy_update_complete *sep;
  	struct node_rx_pu *pu;
  
  	pu = (void *)pdu_data;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_PHY_UPDATE_COMPLETE)) {
  		BT_WARN("handle: 0x%04x, status: %x, tx: %x, rx: %x.", handle,
  			pu->status,
  			find_lsb_set(pu->tx),
  			find_lsb_set(pu->rx));
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_PHY_UPDATE_COMPLETE, sizeof(*sep));
  
  	sep->status = pu->status;
  	sep->handle = sys_cpu_to_le16(handle);
  	sep->tx_phy = find_lsb_set(pu->tx);
  	sep->rx_phy = find_lsb_set(pu->rx);
  }
  #endif /* CONFIG_BT_CTLR_PHY */
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  static void mesh_adv_cplt(struct pdu_data *pdu_data,
  			  struct node_rx_pdu *node_rx,
  			  struct net_buf *buf)
  {
  	struct bt_hci_evt_mesh_adv_complete *mep;
  
  	mep = mesh_evt(buf, BT_HCI_EVT_MESH_ADV_COMPLETE, sizeof(*mep));
  	mep->adv_slot = ((uint8_t *)pdu_data)[0];
  }
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  /**
   * @brief Encode a control-PDU into an HCI buffer
   * @details Execution context: Host thread
   *
   * @param node_rx_pdu[in] RX node containing header and PDU
   * @param pdu_data[in]    PDU. Same as node_rx_pdu->pdu, but more convenient
   * @param net_buf[out]    Upwards-going HCI buffer to fill
   */
  static void encode_control(struct node_rx_pdu *node_rx,
  			   struct pdu_data *pdu_data, struct net_buf *buf)
  {
  	uint16_t handle;
  
  	handle = node_rx->hdr.handle;
  
  	switch (node_rx->hdr.type) {
  #if defined(CONFIG_BT_OBSERVER)
  	case NODE_RX_TYPE_REPORT:
  		le_advertising_report(pdu_data, node_rx, buf);
  		break;
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	case NODE_RX_TYPE_EXT_1M_REPORT:
  		le_adv_ext_1M_report(pdu_data, node_rx, buf);
  		break;
  
  	case NODE_RX_TYPE_EXT_2M_REPORT:
  		le_adv_ext_2M_report(pdu_data, node_rx, buf);
  		break;
  
  	case NODE_RX_TYPE_EXT_CODED_REPORT:
  		le_adv_ext_coded_report(pdu_data, node_rx, buf);
  		break;
  
  	case NODE_RX_TYPE_EXT_SCAN_TERMINATE:
  		le_scan_timeout(pdu_data, node_rx, buf);
  		break;
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC)
  	case NODE_RX_TYPE_SYNC:
  		le_per_adv_sync_established(pdu_data, node_rx, buf);
  		break;
  
  	case NODE_RX_TYPE_SYNC_REPORT:
  		le_per_adv_sync_report(pdu_data, node_rx, buf);
  		break;
  
  	case NODE_RX_TYPE_SYNC_LOST:
  		le_per_adv_sync_lost(pdu_data, node_rx, buf);
  		break;
  
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  	case NODE_RX_TYPE_SYNC_IQ_SAMPLE_REPORT:
  		le_df_connectionless_iq_report(pdu_data, node_rx, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO)
  	case NODE_RX_TYPE_SYNC_ISO:
  		le_big_sync_established(pdu_data, node_rx, buf);
  		break;
  
  	case NODE_RX_TYPE_SYNC_ISO_LOST:
  		le_big_sync_lost(pdu_data, node_rx, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_SYNC_ISO */
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_BROADCASTER)
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  	case NODE_RX_TYPE_EXT_ADV_TERMINATE:
  		le_adv_ext_terminate(pdu_data, node_rx, buf);
  		break;
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO)
  	case NODE_RX_TYPE_BIG_COMPLETE:
  		le_big_complete(pdu_data, node_rx, buf);
  		break;
  	case NODE_RX_TYPE_BIG_TERMINATE:
  		le_big_terminate(pdu_data, node_rx, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_ADV_ISO */
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY)
  	case NODE_RX_TYPE_SCAN_REQ:
  		le_scan_req_received(pdu_data, node_rx, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_SCAN_REQ_NOTIFY */
  
  #if defined(CONFIG_BT_CONN)
  	case NODE_RX_TYPE_CONNECTION:
  		le_conn_complete(pdu_data, handle, buf);
  		break;
  
  	case NODE_RX_TYPE_TERMINATE:
  		hci_disconn_complete_encode(pdu_data, handle, buf);
  		break;
  
  	case NODE_RX_TYPE_CONN_UPDATE:
  		le_conn_update_complete(pdu_data, handle, buf);
  		break;
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	case NODE_RX_TYPE_ENC_REFRESH:
  		enc_refresh_complete(pdu_data, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_LE_PING)
  	case NODE_RX_TYPE_APTO:
  		auth_payload_timeout_exp(pdu_data, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_PING */
  
  #if defined(CONFIG_BT_CTLR_CHAN_SEL_2)
  	case NODE_RX_TYPE_CHAN_SEL_ALGO:
  		le_chan_sel_algo(pdu_data, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_CHAN_SEL_2 */
  
  #if defined(CONFIG_BT_CTLR_PHY)
  	case NODE_RX_TYPE_PHY_UPDATE:
  		le_phy_upd_complete(pdu_data, handle, buf);
  		return;
  #endif /* CONFIG_BT_CTLR_PHY */
  
  #if defined(CONFIG_BT_CTLR_CONN_RSSI_EVENT)
  	case NODE_RX_TYPE_RSSI:
  		BT_INFO("handle: 0x%04x, rssi: -%d dB.", handle,
  			pdu_data->rssi);
  		return;
  #endif /* CONFIG_BT_CTLR_CONN_RSSI_EVENT */
  
  #if defined(CONFIG_BT_CTLR_PERIPHERAL_ISO)
  	case NODE_RX_TYPE_CIS_REQUEST:
  		le_cis_request(pdu_data, node_rx, buf);
  		return;
  #endif /* CONFIG_BT_CTLR_PERIPHERAL_ISO */
  
  #if defined(CONFIG_BT_CTLR_CONN_ISO)
  	case NODE_RX_TYPE_CIS_ESTABLISHED:
  		le_cis_established(pdu_data, node_rx, buf);
  		return;
  #endif /* CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RX)
  	case NODE_RX_TYPE_CONN_IQ_SAMPLE_REPORT:
  		le_df_connection_iq_report(node_rx, buf);
  		return;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RX */
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_CTLR_ADV_INDICATION)
  	case NODE_RX_TYPE_ADV_INDICATION:
  		BT_INFO("Advertised.");
  		return;
  #endif /* CONFIG_BT_CTLR_ADV_INDICATION */
  
  #if defined(CONFIG_BT_CTLR_SCAN_INDICATION)
  	case NODE_RX_TYPE_SCAN_INDICATION:
  		BT_INFO("Scanned.");
  		return;
  #endif /* CONFIG_BT_CTLR_SCAN_INDICATION */
  
  #if defined(CONFIG_BT_CTLR_PROFILE_ISR)
  	case NODE_RX_TYPE_PROFILE:
  		BT_INFO("l: %u, %u, %u; t: %u, %u, %u; cpu: %u, %u, %u, %u.",
  			pdu_data->profile.lcur,
  			pdu_data->profile.lmin,
  			pdu_data->profile.lmax,
  			pdu_data->profile.cur,
  			pdu_data->profile.min,
  			pdu_data->profile.max,
  			pdu_data->profile.radio,
  			pdu_data->profile.lll,
  			pdu_data->profile.ull_high,
  			pdu_data->profile.ull_low);
  		return;
  #endif /* CONFIG_BT_CTLR_PROFILE_ISR */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT)
  	case NODE_RX_TYPE_DTM_IQ_SAMPLE_REPORT:
  		le_df_connectionless_iq_report(pdu_data, node_rx, buf);
  		return;
  #endif /* CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT */
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  	case NODE_RX_TYPE_MESH_ADV_CPLT:
  		mesh_adv_cplt(pdu_data, node_rx, buf);
  		return;
  
  	case NODE_RX_TYPE_MESH_REPORT:
  		le_advertising_report(pdu_data, node_rx, buf);
  		return;
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  #if CONFIG_BT_CTLR_USER_EVT_RANGE > 0
  	case NODE_RX_TYPE_USER_START ... NODE_RX_TYPE_USER_END - 1:
  		hci_user_ext_encode_control(node_rx, pdu_data, buf);
  		return;
  #endif /* CONFIG_BT_CTLR_USER_EVT_RANGE > 0 */
  
  	default:
  		LL_ASSERT(0);
  		return;
  	}
  }
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  static void le_ltk_request(struct pdu_data *pdu_data, uint16_t handle,
  			   struct net_buf *buf)
  {
  	struct bt_hci_evt_le_ltk_request *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_LTK_REQUEST)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_LTK_REQUEST, sizeof(*sep));
  
  	sep->handle = sys_cpu_to_le16(handle);
  	memcpy(&sep->rand, pdu_data->llctrl.enc_req.rand, sizeof(uint64_t));
  	memcpy(&sep->ediv, pdu_data->llctrl.enc_req.ediv, sizeof(uint16_t));
  }
  
  static void encrypt_change(uint8_t err, uint16_t handle,
  			   struct net_buf *buf)
  {
  	struct bt_hci_evt_encrypt_change *ep;
  
  	if (!(event_mask & BT_EVT_MASK_ENCRYPT_CHANGE)) {
  		return;
  	}
  
  	hci_evt_create(buf, BT_HCI_EVT_ENCRYPT_CHANGE, sizeof(*ep));
  	ep = net_buf_add(buf, sizeof(*ep));
  
  	ep->status = err;
  	ep->handle = sys_cpu_to_le16(handle);
  	ep->encrypt = !err ? 1 : 0;
  }
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  static void le_remote_feat_complete(uint8_t status, struct pdu_data *pdu_data,
  				    uint16_t handle, struct net_buf *buf)
  {
  	struct bt_hci_evt_le_remote_feat_complete *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_REMOTE_FEAT_COMPLETE)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_REMOTE_FEAT_COMPLETE, sizeof(*sep));
  
  	sep->status = status;
  	sep->handle = sys_cpu_to_le16(handle);
  	if (!status) {
  		memcpy(&sep->features[0],
  		       &pdu_data->llctrl.feature_rsp.features[0],
  		       sizeof(sep->features));
  	} else {
  		(void)memset(&sep->features[0], 0x00, sizeof(sep->features));
  	}
  }
  
  static void le_unknown_rsp(struct pdu_data *pdu_data, uint16_t handle,
  			   struct net_buf *buf)
  {
  
  	switch (pdu_data->llctrl.unknown_rsp.type) {
  	case PDU_DATA_LLCTRL_TYPE_PER_INIT_FEAT_XCHG:
  		le_remote_feat_complete(BT_HCI_ERR_UNSUPP_REMOTE_FEATURE,
  					    NULL, handle, buf);
  		break;
  
  	default:
  		BT_WARN("type: 0x%02x",	pdu_data->llctrl.unknown_rsp.type);
  		break;
  	}
  }
  
  static void le_reject_ext_ind(struct pdu_data *pdu, uint16_t handle, struct net_buf *buf)
  {
  	switch (pdu->llctrl.reject_ext_ind.reject_opcode) {
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
  	case PDU_DATA_LLCTRL_TYPE_CTE_REQ:
  		le_df_cte_req_failed(pdu->llctrl.reject_ext_ind.error_code, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
  	default:
  		BT_WARN("reject opcode: 0x%02x", pdu->llctrl.reject_ext_ind.reject_opcode);
  		break;
  	}
  }
  #if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
  static void le_conn_param_req(struct pdu_data *pdu_data, uint16_t handle,
  			      struct net_buf *buf)
  {
  	struct bt_hci_evt_le_conn_param_req *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_CONN_PARAM_REQ)) {
  		/* event masked, reject the conn param req */
  		ll_conn_update(handle, 2, BT_HCI_ERR_UNSUPP_REMOTE_FEATURE, 0,
  			       0, 0, 0);
  
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_CONN_PARAM_REQ, sizeof(*sep));
  
  	sep->handle = sys_cpu_to_le16(handle);
  	sep->interval_min = pdu_data->llctrl.conn_param_req.interval_min;
  	sep->interval_max = pdu_data->llctrl.conn_param_req.interval_max;
  	sep->latency = pdu_data->llctrl.conn_param_req.latency;
  	sep->timeout = pdu_data->llctrl.conn_param_req.timeout;
  }
  #endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
  
  #if defined(CONFIG_BT_CTLR_DATA_LENGTH)
  static void le_data_len_change(struct pdu_data *pdu_data, uint16_t handle,
  			       struct net_buf *buf)
  {
  	struct bt_hci_evt_le_data_len_change *sep;
  
  	if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
  	    !(le_event_mask & BT_EVT_MASK_LE_DATA_LEN_CHANGE)) {
  		return;
  	}
  
  	sep = meta_evt(buf, BT_HCI_EVT_LE_DATA_LEN_CHANGE, sizeof(*sep));
  
  	sep->handle = sys_cpu_to_le16(handle);
  	sep->max_tx_octets = pdu_data->llctrl.length_rsp.max_tx_octets;
  	sep->max_tx_time = pdu_data->llctrl.length_rsp.max_tx_time;
  	sep->max_rx_octets = pdu_data->llctrl.length_rsp.max_rx_octets;
  	sep->max_rx_time = pdu_data->llctrl.length_rsp.max_rx_time;
  }
  #endif /* CONFIG_BT_CTLR_DATA_LENGTH */
  
  #if defined(CONFIG_BT_REMOTE_VERSION)
  static void remote_version_info_encode(struct pdu_data *pdu_data,
  				       uint16_t handle, struct net_buf *buf)
  {
  	struct pdu_data_llctrl_version_ind *ver_ind;
  	struct bt_hci_evt_remote_version_info *ep;
  
  	if (!(event_mask & BT_EVT_MASK_REMOTE_VERSION_INFO)) {
  		return;
  	}
  
  	hci_evt_create(buf, BT_HCI_EVT_REMOTE_VERSION_INFO, sizeof(*ep));
  	ep = net_buf_add(buf, sizeof(*ep));
  
  	ver_ind = &pdu_data->llctrl.version_ind;
  	ep->status = 0x00;
  	ep->handle = sys_cpu_to_le16(handle);
  	ep->version = ver_ind->version_number;
  	ep->manufacturer = ver_ind->company_id;
  	ep->subversion = ver_ind->sub_version_number;
  }
  #endif /* CONFIG_BT_REMOTE_VERSION */
  
  static void encode_data_ctrl(struct node_rx_pdu *node_rx,
  			     struct pdu_data *pdu_data, struct net_buf *buf)
  {
  	uint16_t handle = node_rx->hdr.handle;
  
  	switch (pdu_data->llctrl.opcode) {
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	case PDU_DATA_LLCTRL_TYPE_ENC_REQ:
  		le_ltk_request(pdu_data, handle, buf);
  		break;
  
  	case PDU_DATA_LLCTRL_TYPE_START_ENC_RSP:
  		encrypt_change(0x00, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_REMOTE_VERSION)
  	case PDU_DATA_LLCTRL_TYPE_VERSION_IND:
  		remote_version_info_encode(pdu_data, handle, buf);
  		break;
  #endif /* defined(CONFIG_BT_REMOTE_VERSION) */
  
  	case PDU_DATA_LLCTRL_TYPE_FEATURE_RSP:
  		le_remote_feat_complete(0x00, pdu_data, handle, buf);
  		break;
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  	case PDU_DATA_LLCTRL_TYPE_REJECT_IND:
  		encrypt_change(pdu_data->llctrl.reject_ind.error_code, handle,
  			       buf);
  		break;
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
  	case PDU_DATA_LLCTRL_TYPE_CONN_PARAM_REQ:
  		le_conn_param_req(pdu_data, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
  
  #if defined(CONFIG_BT_CTLR_DATA_LENGTH)
  	case PDU_DATA_LLCTRL_TYPE_LENGTH_REQ:
  	case PDU_DATA_LLCTRL_TYPE_LENGTH_RSP:
  		le_data_len_change(pdu_data, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_DATA_LENGTH */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
  	case PDU_DATA_LLCTRL_TYPE_CTE_REQ:
  		le_df_cte_req_failed(BT_HCI_CTE_REQ_STATUS_RSP_WITHOUT_CTE, handle, buf);
  		break;
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
  
  	case PDU_DATA_LLCTRL_TYPE_UNKNOWN_RSP:
  		le_unknown_rsp(pdu_data, handle, buf);
  		break;
  
  	case PDU_DATA_LLCTRL_TYPE_REJECT_EXT_IND:
  		le_reject_ext_ind(pdu_data, handle, buf);
  		break;
  
  	default:
  		LL_ASSERT(0);
  		return;
  	}
  }
  
  #if defined(CONFIG_BT_CONN)
  void hci_acl_encode(struct node_rx_pdu *node_rx, struct net_buf *buf)
  {
  	struct pdu_data *pdu_data = (void *)node_rx->pdu;
  	struct bt_hci_acl_hdr *acl;
  	uint16_t handle_flags;
  	uint16_t handle;
  	uint8_t *data;
  
  	handle = node_rx->hdr.handle;
  
  	switch (pdu_data->ll_id) {
  	case PDU_DATA_LLID_DATA_CONTINUE:
  	case PDU_DATA_LLID_DATA_START:
  		acl = (void *)net_buf_add(buf, sizeof(*acl));
  		if (pdu_data->ll_id == PDU_DATA_LLID_DATA_START) {
  			handle_flags = bt_acl_handle_pack(handle, BT_ACL_START);
  		} else {
  			handle_flags = bt_acl_handle_pack(handle, BT_ACL_CONT);
  		}
  		acl->handle = sys_cpu_to_le16(handle_flags);
  		acl->len = sys_cpu_to_le16(pdu_data->len);
  		data = (void *)net_buf_add(buf, pdu_data->len);
  		memcpy(data, pdu_data->lldata, pdu_data->len);
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  		if (hci_hbuf_total > 0) {
  			LL_ASSERT((hci_hbuf_sent - hci_hbuf_acked) <
  				  hci_hbuf_total);
  			hci_hbuf_sent++;
  			/* Note: This requires linear handle values starting
  			 * from 0
  			 */
  			LL_ASSERT(handle < ARRAY_SIZE(hci_hbuf_pend));
  			hci_hbuf_pend[handle]++;
  		}
  #endif
  		break;
  
  	default:
  		LL_ASSERT(0);
  		break;
  	}
  }
  #endif /* CONFIG_BT_CONN */
  
  void hci_evt_encode(struct node_rx_pdu *node_rx, struct net_buf *buf)
  {
  	struct pdu_data *pdu_data = (void *)node_rx->pdu;
  
  	if (node_rx->hdr.type != NODE_RX_TYPE_DC_PDU) {
  		encode_control(node_rx, pdu_data, buf);
  	} else if (IS_ENABLED(CONFIG_BT_CONN)) {
  		encode_data_ctrl(node_rx, pdu_data, buf);
  	}
  }
  
  #if defined(CONFIG_BT_CONN) || defined(CONFIG_BT_CTLR_ADV_ISO) || \
  	defined(CONFIG_BT_CTLR_CONN_ISO)
  void hci_num_cmplt_encode(struct net_buf *buf, uint16_t handle, uint8_t num)
  {
  	struct bt_hci_evt_num_completed_packets *ep;
  	struct bt_hci_handle_count *hc;
  	uint8_t num_handles;
  	uint8_t len;
  
  	num_handles = 1U;
  
  	len = (sizeof(*ep) + (sizeof(*hc) * num_handles));
  	hci_evt_create(buf, BT_HCI_EVT_NUM_COMPLETED_PACKETS, len);
  
  	ep = net_buf_add(buf, len);
  	ep->num_handles = num_handles;
  	hc = &ep->h[0];
  	hc->handle = sys_cpu_to_le16(handle);
  	hc->count = sys_cpu_to_le16(num);
  }
  #endif /* CONFIG_BT_CONN || CONFIG_BT_CTLR_ADV_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  uint8_t hci_get_class(struct node_rx_pdu *node_rx)
  {
  #if defined(CONFIG_BT_CONN)
  	struct pdu_data *pdu_data = (void *)node_rx->pdu;
  #endif
  
  	if (node_rx->hdr.type != NODE_RX_TYPE_DC_PDU) {
  
  		switch (node_rx->hdr.type) {
  #if defined(CONFIG_BT_OBSERVER) || \
  	defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY) || \
  	defined(CONFIG_BT_CTLR_ADV_INDICATION) || \
  	defined(CONFIG_BT_CTLR_SCAN_INDICATION) || \
  	defined(CONFIG_BT_CTLR_PROFILE_ISR)
  #if defined(CONFIG_BT_OBSERVER)
  		case NODE_RX_TYPE_REPORT:
  #endif /* CONFIG_BT_OBSERVER */
  
  #if defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY)
  		case NODE_RX_TYPE_SCAN_REQ:
  #endif /* CONFIG_BT_CTLR_SCAN_REQ_NOTIFY */
  
  #if defined(CONFIG_BT_CTLR_ADV_INDICATION)
  		case NODE_RX_TYPE_ADV_INDICATION:
  #endif /* CONFIG_BT_CTLR_ADV_INDICATION */
  
  #if defined(CONFIG_BT_CTLR_SCAN_INDICATION)
  		case NODE_RX_TYPE_SCAN_INDICATION:
  #endif /* CONFIG_BT_CTLR_SCAN_INDICATION */
  
  #if defined(CONFIG_BT_CTLR_PROFILE_ISR)
  		case NODE_RX_TYPE_PROFILE:
  #endif /* CONFIG_BT_CTLR_PROFILE_ISR */
  			return HCI_CLASS_EVT_DISCARDABLE;
  #endif
  
  #if defined(CONFIG_BT_HCI_MESH_EXT)
  		case NODE_RX_TYPE_MESH_ADV_CPLT:
  		case NODE_RX_TYPE_MESH_REPORT:
  #endif /* CONFIG_BT_HCI_MESH_EXT */
  
  #if defined(CONFIG_BT_CTLR_ADV_EXT)
  #if defined(CONFIG_BT_BROADCASTER)
  		case NODE_RX_TYPE_EXT_ADV_TERMINATE:
  
  #if defined(CONFIG_BT_CTLR_ADV_ISO)
  		case NODE_RX_TYPE_BIG_COMPLETE:
  		case NODE_RX_TYPE_BIG_TERMINATE:
  #endif /* CONFIG_BT_CTLR_ADV_ISO */
  #endif /* CONFIG_BT_BROADCASTER */
  
  #if defined(CONFIG_BT_OBSERVER)
  		case NODE_RX_TYPE_EXT_1M_REPORT:
  		case NODE_RX_TYPE_EXT_2M_REPORT:
  		case NODE_RX_TYPE_EXT_CODED_REPORT:
  		case NODE_RX_TYPE_EXT_SCAN_TERMINATE:
  
  #if defined(CONFIG_BT_CTLR_SYNC_PERIODIC)
  		case NODE_RX_TYPE_SYNC:
  		case NODE_RX_TYPE_SYNC_REPORT:
  		case NODE_RX_TYPE_SYNC_LOST:
  
  #if defined(CONFIG_BT_CTLR_DF_SCAN_CTE_RX)
  		case NODE_RX_TYPE_SYNC_IQ_SAMPLE_REPORT:
  #endif /* CONFIG_BT_CTLR_DF_SCAN_CTE_RX */
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO)
  		case NODE_RX_TYPE_SYNC_ISO:
  		case NODE_RX_TYPE_SYNC_ISO_LOST:
  #endif /* CONFIG_BT_CTLR_SYNC_ISO */
  #endif /* CONFIG_BT_CTLR_SYNC_PERIODIC */
  #endif /* CONFIG_BT_OBSERVER */
  
  			return HCI_CLASS_EVT_REQUIRED;
  #endif /* CONFIG_BT_CTLR_ADV_EXT */
  
  #if defined(CONFIG_BT_CONN)
  		case NODE_RX_TYPE_CONNECTION:
  
  #if defined(CONFIG_BT_CTLR_PERIPHERAL_ISO)
  		case NODE_RX_TYPE_CIS_REQUEST:
  #endif /* CONFIG_BT_CTLR_PERIPHERAL_ISO */
  
  #if defined(CONFIG_BT_CTLR_CONN_ISO)
  		case NODE_RX_TYPE_CIS_ESTABLISHED:
  #endif /* CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RX)
  		case NODE_RX_TYPE_CONN_IQ_SAMPLE_REPORT:
  #endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RX */
  
  			return HCI_CLASS_EVT_REQUIRED;
  
  		case NODE_RX_TYPE_TERMINATE:
  		case NODE_RX_TYPE_CONN_UPDATE:
  
  #if defined(CONFIG_BT_CTLR_LE_ENC)
  		case NODE_RX_TYPE_ENC_REFRESH:
  #endif /* CONFIG_BT_CTLR_LE_ENC */
  
  #if defined(CONFIG_BT_CTLR_CONN_RSSI_EVENT)
  		case NODE_RX_TYPE_RSSI:
  #endif /* CONFIG_BT_CTLR_CONN_RSSI_EVENT */
  
  #if defined(CONFIG_BT_CTLR_LE_PING)
  		case NODE_RX_TYPE_APTO:
  #endif /* CONFIG_BT_CTLR_LE_PING */
  
  #if defined(CONFIG_BT_CTLR_CHAN_SEL_2)
  		case NODE_RX_TYPE_CHAN_SEL_ALGO:
  #endif /* CONFIG_BT_CTLR_CHAN_SEL_2 */
  
  #if defined(CONFIG_BT_CTLR_PHY)
  		case NODE_RX_TYPE_PHY_UPDATE:
  #endif /* CONFIG_BT_CTLR_PHY */
  
  			return HCI_CLASS_EVT_CONNECTION;
  #endif /* CONFIG_BT_CONN */
  
  #if defined(CONFIG_BT_CTLR_SYNC_ISO) || defined(CONFIG_BT_CTLR_CONN_ISO)
  		case NODE_RX_TYPE_ISO_PDU:
  			return HCI_CLASS_ISO_DATA;
  #endif /* CONFIG_BT_CTLR_SYNC_ISO || CONFIG_BT_CTLR_CONN_ISO */
  
  #if defined(CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT)
  		case NODE_RX_TYPE_DTM_IQ_SAMPLE_REPORT:
  			return HCI_CLASS_EVT_REQUIRED;
  #endif /* CONFIG_BT_CTLR_DTM_HCI_DF_IQ_REPORT */
  
  #if CONFIG_BT_CTLR_USER_EVT_RANGE > 0
  		case NODE_RX_TYPE_USER_START ... NODE_RX_TYPE_USER_END - 1:
  			return hci_user_ext_get_class(node_rx);
  #endif /* CONFIG_BT_CTLR_USER_EVT_RANGE > 0 */
  
  		default:
  			return HCI_CLASS_NONE;
  		}
  
  #if defined(CONFIG_BT_CONN)
  	} else if (pdu_data->ll_id == PDU_DATA_LLID_CTRL) {
  		return HCI_CLASS_EVT_LLCP;
  	} else {
  		return HCI_CLASS_ACL_DATA;
  	}
  #else
  	} else {
  		return HCI_CLASS_NONE;
  	}
  #endif
  }
  
  void hci_init(struct k_poll_signal *signal_host_buf)
  {
  #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
  	hbuf_signal = signal_host_buf;
  #endif
  	reset(NULL, NULL);
  }
  