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apache / mynewt-nimble / refs/heads/master / . / nimble / controller / src / ble_ll_hci.c
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include <stdint.h>
#include <assert.h>
#include <string.h>
#include "syscfg/syscfg.h"
#include "os/os.h"
#include "nimble/ble.h"
#include "nimble/nimble_opt.h"
#include "nimble/hci_common.h"
#include "controller/ble_ll_utils.h"
#include "controller/ble_hw.h"
#include "controller/ble_ll_adv.h"
#include "controller/ble_ll_scan.h"
#include "controller/ble_ll.h"
#include "controller/ble_ll_hci.h"
#include "controller/ble_ll_whitelist.h"
#include "controller/ble_ll_resolv.h"
#include "controller/ble_ll_sync.h"
#include <controller/ble_ll_utils.h>
#include "controller/ble_ll_isoal.h"
#include "controller/ble_ll_iso.h"
#include "controller/ble_ll_iso_big.h"
#include "controller/ble_ll_cs.h"
#include "ble_ll_priv.h"
#include "ble_ll_conn_priv.h"
#include "ble_ll_hci_priv.h"
#if MYNEWT_VAL(BLE_LL_DTM)
#include "ble_ll_dtm_priv.h"
#endif
static void ble_ll_hci_cmd_proc(struct ble_npl_event *ev);
/* OS event to enqueue command */
static struct ble_npl_event g_ble_ll_hci_cmd_ev;
/* LE event mask */
static uint64_t g_ble_ll_hci_le_event_mask;
static uint64_t g_ble_ll_hci_event_mask;
static uint64_t g_ble_ll_hci_event_mask2;
static int16_t rx_path_pwr_compensation;
static int16_t tx_path_pwr_compensation;
static ble_ll_hci_post_cmd_complete_cb hci_cmd_post_cb = NULL;
static void *hci_cmd_post_cb_user_data = NULL;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
static enum {
ADV_MODE_ANY,
ADV_MODE_LEGACY,
ADV_MODE_EXT,
} hci_adv_mode;
bool ble_ll_hci_adv_mode_ext(void)
{
return hci_adv_mode == ADV_MODE_EXT;
}
#else
bool
ble_ll_hci_adv_mode_ext(void)
{
return false;
}
#endif
/**
* ll hci get num cmd pkts
*
* Returns the number of command packets that the host is allowed to send
* to the controller.
*
* @return uint8_t
*/
static uint8_t
ble_ll_hci_get_num_cmd_pkts(void)
{
return BLE_LL_CFG_NUM_HCI_CMD_PKTS;
}
/**
* Send an event to the host.
*
* @param evbuf Pointer to event buffer to send
*
* @return int 0: success; -1 otherwise.
*/
int
ble_ll_hci_event_send(struct ble_hci_ev *hci_ev)
{
int rc;
BLE_LL_DEBUG_GPIO(HCI_EV, 1);
BLE_LL_ASSERT(sizeof(*hci_ev) + hci_ev->length <= BLE_LL_MAX_EVT_LEN);
/* Count number of events sent */
STATS_INC(ble_ll_stats, hci_events_sent);
/* Send the event to the host */
rc = ble_transport_to_hs_evt(hci_ev);
BLE_LL_DEBUG_GPIO(HCI_EV, 0);
return rc;
}
/**
* Created and sends a command complete event with the no-op opcode to the
* host.
*/
void
ble_ll_hci_send_noop(void)
{
struct ble_hci_ev_command_complete_nop *ev;
struct ble_hci_ev *hci_ev;
hci_ev = ble_transport_alloc_evt(0);
if (hci_ev) {
/* Create a command complete event with a NO-OP opcode */
hci_ev->opcode = BLE_HCI_EVCODE_COMMAND_COMPLETE;
hci_ev->length = sizeof(*ev);
ev = (void *)hci_ev->data;
ev->num_packets = ble_ll_hci_get_num_cmd_pkts();
ev->opcode = BLE_HCI_OPCODE_NOP;
ble_ll_hci_event_send(hci_ev);
}
}
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_ENCRYPTION)
/**
* LE encrypt command
*
* @param cmdbuf
* @param rspbuf
* @param rsplen
*
* @return int
*/
static int
ble_ll_hci_le_encrypt(const uint8_t *cmdbuf, uint8_t len, uint8_t *rspbuf,
uint8_t *rsplen)
{
const struct ble_hci_le_encrypt_cp *cmd = (const void *) cmdbuf;
struct ble_hci_le_encrypt_rp *rsp = (void *)rspbuf;
struct ble_encryption_block ecb;
int rc;
/* Call the link layer to encrypt the data */
swap_buf(ecb.key, cmd->key, BLE_ENC_BLOCK_SIZE);
swap_buf(ecb.plain_text, cmd->data, BLE_ENC_BLOCK_SIZE);
rc = ble_hw_encrypt_block(&ecb);
if (!rc) {
swap_buf(rsp->data, ecb.cipher_text, BLE_ENC_BLOCK_SIZE);
*rsplen = sizeof(*rsp);
rc = BLE_ERR_SUCCESS;
} else {
rc = BLE_ERR_CTLR_BUSY;
}
return rc;
}
#endif
/**
* LE rand command
*
* @param cmdbuf
* @param rspbuf
* @param rsplen
*
* @return int
*/
static int
ble_ll_hci_le_rand(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rand_rp *rsp = (void *) rspbuf;
ble_ll_rand_data_get((uint8_t *)&rsp->random_number,
sizeof(rsp->random_number));
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* Read local version
*
* @param rspbuf
* @param rsplen
*
* @return int
*/
static int
ble_ll_hci_rd_local_version(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_ip_rd_local_ver_rp *rsp = (void *) rspbuf;
rsp->hci_ver = BLE_HCI_VER_BCS;
rsp->hci_rev = 0;
rsp->lmp_ver = BLE_LMP_VER_BCS;
rsp->manufacturer = htole16(MYNEWT_VAL(BLE_LL_MANUFACTURER_ID));
rsp->lmp_subver = 0;
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* Read local supported features
*
* @param rspbuf
* @param rsplen
*
* @return int
*/
static int
ble_ll_hci_rd_local_supp_feat(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_ip_rd_loc_supp_feat_rp *rsp = (void *) rspbuf;
/*
* The only two bits we set here currently are (5th byte):
* BR/EDR not supported (bit 5)
* LE supported (controller) (bit 6)
*/
rsp->features = htole64(0x0000006000000000);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* Read local supported commands
*
* @param rspbuf
* @param rsplen
*
* @return int
*/
static int
ble_ll_hci_rd_local_supp_cmd(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_ip_rd_loc_supp_cmd_rp *rsp = (void *) rspbuf;
ble_ll_hci_supp_cmd_get(rsp->commands);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* Called to read the public device address of the device
*
*
* @param rspbuf
* @param rsplen
*
* @return int
*/
static int
ble_ll_hci_rd_bd_addr(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_ip_rd_bd_addr_rp *rsp = (void *) rspbuf;
memcpy(rsp->addr, g_dev_addr, BLE_DEV_ADDR_LEN);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* ll hci set le event mask
*
* Called when the LL controller receives a set LE event mask command.
*
* Context: Link Layer task (HCI command parser)
*
* @param cmdbuf Pointer to command buf.
*
* @return int BLE_ERR_SUCCESS. Does not return any errors.
*/
static int
ble_ll_hci_set_le_event_mask(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_le_set_event_mask_cp *cmd = (const void *) cmdbuf;
if (len != sizeof(*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
g_ble_ll_hci_le_event_mask = le64toh(cmd->event_mask);
return BLE_ERR_SUCCESS;
}
/**
* HCI read buffer size command. Returns the ACL data packet length and
* num data packets.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_read_bufsize(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_buf_size_rp *rp = (void *) rspbuf;
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL) || MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL)
rp->data_len = htole16(g_ble_ll_data.ll_acl_pkt_size);
rp->data_packets = g_ble_ll_data.ll_num_acl_pkts;
#else
/* TODO check if can just not support this command */
rp->data_len = 0;
rp->data_packets = 0;
#endif
*rsplen = sizeof(*rp);
return BLE_ERR_SUCCESS;
}
#if MYNEWT_VAL(BLE_LL_ISO)
/**
* HCI read buffer size v2 command. Returns the ACL and ISO data packet length and
* num data packets.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_read_bufsize_v2(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_buf_size_v2_rp *rp = (void *) rspbuf;
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL) || MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL)
rp->data_len = htole16(g_ble_ll_data.ll_acl_pkt_size);
rp->data_packets = g_ble_ll_data.ll_num_acl_pkts;
#else
rp->data_len = 0;
rp->data_packets = 0;
#endif
rp->iso_data_len = htole16(g_ble_ll_data.ll_iso_pkt_size);
rp->iso_data_packets = g_ble_ll_data.ll_num_iso_pkts;
*rsplen = sizeof(*rp);
return BLE_ERR_SUCCESS;
}
#endif
#if MYNEWT_VAL(BLE_LL_PHY)
/**
* Checks the preferred phy masks for validity and places the preferred masks
* in the input phy masks
* @return int BLE_ERR_SUCCESS or BLE_ERR_INV_HCI_CMD_PARMS or BLE_ERR_UNSUPPORTED
*/
int
ble_ll_hci_chk_phy_masks(uint8_t all_phys, uint8_t tx_phys, uint8_t rx_phys,
uint8_t *txphy, uint8_t *rxphy)
{
/* Check for RFU */
if ((tx_phys & ~BLE_HCI_LE_PHY_PREF_MASK_ALL) ||
(rx_phys & ~BLE_HCI_LE_PHY_PREF_MASK_ALL)) {
return BLE_ERR_UNSUPPORTED;
}
if ((!(all_phys & BLE_HCI_LE_PHY_NO_TX_PREF_MASK) && (tx_phys == 0)) ||
(!(all_phys & BLE_HCI_LE_PHY_NO_RX_PREF_MASK) && (rx_phys == 0))) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
/* If phy not supported, return error */
#if !MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_2M_PHY)
if((tx_phys & BLE_HCI_LE_PHY_2M_PREF_MASK) ||
(rx_phys & BLE_HCI_LE_PHY_2M_PREF_MASK)) {
return BLE_ERR_UNSUPPORTED;
}
#endif
#if !MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_CODED_PHY)
if ((tx_phys & BLE_HCI_LE_PHY_CODED_PREF_MASK) ||
(rx_phys & BLE_HCI_LE_PHY_CODED_PREF_MASK)) {
return BLE_ERR_UNSUPPORTED;
}
#endif
/* Set the default PHY preferences */
if (all_phys & BLE_HCI_LE_PHY_NO_TX_PREF_MASK) {
tx_phys = BLE_HCI_LE_PHY_PREF_MASK_ALL;
}
*txphy = tx_phys;
if (all_phys & BLE_HCI_LE_PHY_NO_RX_PREF_MASK) {
rx_phys = BLE_HCI_LE_PHY_PREF_MASK_ALL;
}
*rxphy = rx_phys;
return BLE_ERR_SUCCESS;
}
/**
* Set PHY preferences for connection
*
* @param cmdbuf
*
* @return int
*/
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
static int
ble_ll_hci_le_set_def_phy(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_le_set_default_phy_cp *cmd = (const void *) cmdbuf;
int rc;
if (len != sizeof(*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
rc = ble_ll_hci_chk_phy_masks(cmd->all_phys, cmd->tx_phys, cmd->rx_phys,
&g_ble_ll_data.ll_pref_tx_phys,
&g_ble_ll_data.ll_pref_rx_phys);
return rc;
}
#endif
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_DATA_LEN_EXT)
int
ble_ll_hci_check_dle(uint16_t max_octets, uint16_t max_time)
{
return (max_octets >= BLE_LL_CONN_SUPP_BYTES_MIN) &&
(max_octets <= BLE_LL_CONN_SUPP_BYTES_MAX) &&
(max_time >= BLE_LL_CONN_SUPP_TIME_MIN) &&
(max_time <= BLE_LL_CONN_SUPP_TIME_MAX);
}
/**
* HCI write suggested default data length command.
*
* This command is used by the host to change the initial max tx octets/time
* for all connections. Note that if the controller does not support the
* requested times no error is returned; the controller simply ignores the
* request (but remembers what the host requested for the read suggested
* default data length command). The spec allows for the controller to
* disregard the host.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_wr_sugg_data_len(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_le_wr_sugg_def_data_len_cp *cmd = (const void *)cmdbuf;
uint16_t tx_octets;
uint16_t tx_time;
if (len != sizeof(*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
/* Get suggested octets and time */
tx_octets = le16toh(cmd->max_tx_octets);
tx_time = le16toh(cmd->max_tx_time);
if (!ble_ll_hci_check_dle(tx_octets, tx_time)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
g_ble_ll_conn_params.sugg_tx_octets = tx_octets;
g_ble_ll_conn_params.sugg_tx_time = tx_time;
/*
* We can disregard host suggestion, but we are a nice controller so
* let's use host suggestion, unless they exceed max supported values
* in which case we just use our max.
*/
g_ble_ll_conn_params.conn_init_max_tx_octets =
MIN(tx_octets, g_ble_ll_conn_params.supp_max_tx_octets);
g_ble_ll_conn_params.conn_init_max_tx_time =
MIN(tx_time, g_ble_ll_conn_params.supp_max_tx_time);
/*
* Use the same for coded and uncoded defaults. These are used when PHY
* parameters are initialized and we want to use values overridden by
* host. Make sure we do not exceed max supported time on uncoded.
*/
g_ble_ll_conn_params.conn_init_max_tx_time_uncoded =
MIN(BLE_LL_CONN_SUPP_TIME_MAX_UNCODED,
g_ble_ll_conn_params.conn_init_max_tx_time);
g_ble_ll_conn_params.conn_init_max_tx_time_coded =
g_ble_ll_conn_params.conn_init_max_tx_time;
return 0;
}
/**
* HCI read suggested default data length command. Returns the controllers
* initial max tx octet/time.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_rd_sugg_data_len(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_sugg_def_data_len_rp *rsp = (void *) rspbuf;
/* Place the data packet length and number of packets in the buffer */
rsp->max_tx_octets = htole16(g_ble_ll_conn_params.sugg_tx_octets);
rsp->max_tx_time = htole16(g_ble_ll_conn_params.sugg_tx_time);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* HCI read maximum data length command. Returns the controllers max supported
* rx/tx octets/times.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_rd_max_data_len(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_max_data_len_rp *rsp = (void *)rspbuf;
/* Place the data packet length and number of packets in the buffer */
rsp->max_tx_octests = htole16(g_ble_ll_conn_params.supp_max_tx_octets);
rsp->max_tx_time = htole16(g_ble_ll_conn_params.supp_max_tx_time);
rsp->max_rx_octests = htole16(g_ble_ll_conn_params.supp_max_rx_octets);
rsp->max_rx_time = htole16(g_ble_ll_conn_params.supp_max_rx_time);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
#endif
/**
* HCI read local supported features command. Returns the features
* supported by the controller.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_read_local_features(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_loc_supp_feat_rp *rsp = (void *) rspbuf;
rsp->features = htole64(ble_ll_read_supp_features());
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* HCI read local supported states command. Returns the states
* supported by the controller.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_read_supp_states(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_supp_states_rp *rsp = (void *) rspbuf;
/* Add list of supported states. */
rsp->states = htole64(ble_ll_read_supp_states());
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* Checks to see if a LE event has been disabled by the host.
*
* @param subev Sub-event code of the LE Meta event. Note that this can
* be a value from 1 to 64, inclusive.
*
* @return uint8_t 0: event is not enabled; otherwise event is enabled.
*/
bool
ble_ll_hci_is_le_event_enabled(unsigned int subev)
{
/* The LE meta event must be enabled for any LE event to be enabled */
if (g_ble_ll_hci_event_mask & (1ull << (BLE_HCI_EVCODE_LE_META - 1))) {
return g_ble_ll_hci_le_event_mask & (1ull << (subev - 1));
}
return false;
}
/**
* Checks to see if an event has been disabled by the host.
*
* NOTE: there are two "pages" of event masks; the first page is for event
* codes between 0 and 63 and the second page is for event codes 64 and
* greater.
*
* @param evcode This is the event code for the event.
*
* @return uint8_t 0: event is not enabled; otherwise event is enabled.
*/
bool
ble_ll_hci_is_event_enabled(unsigned int evcode)
{
if (evcode >= 64) {
return g_ble_ll_hci_event_mask2 & (1ull << (evcode - 64));
}
return g_ble_ll_hci_event_mask & (1ull << (evcode - 1));
}
/**
* Called to determine if the reply to the command should be a command complete
* event or a command status event.
*
* @param ocf
*
* @return int 0: return command complete; 1: return command status event
*/
static int
ble_ll_hci_le_cmd_send_cmd_status(uint16_t ocf)
{
int rc;
switch (ocf) {
case BLE_HCI_OCF_LE_RD_REM_FEAT:
case BLE_HCI_OCF_LE_CREATE_CONN:
case BLE_HCI_OCF_LE_EXT_CREATE_CONN:
case BLE_HCI_OCF_LE_CONN_UPDATE:
case BLE_HCI_OCF_LE_START_ENCRYPT:
case BLE_HCI_OCF_LE_RD_P256_PUBKEY:
case BLE_HCI_OCF_LE_GEN_DHKEY:
case BLE_HCI_OCF_LE_SET_PHY:
case BLE_HCI_OCF_LE_PERIODIC_ADV_CREATE_SYNC:
#if MYNEWT_VAL(BLE_LL_ISO_BROADCASTER)
case BLE_HCI_OCF_LE_CREATE_BIG:
case BLE_HCI_OCF_LE_CREATE_BIG_TEST:
case BLE_HCI_OCF_LE_TERMINATE_BIG:
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_SCA_UPDATE)
case BLE_HCI_OCF_LE_REQ_PEER_SCA:
#endif
case BLE_HCI_OCF_LE_SUBRATE_REQ:
rc = 1;
break;
default:
rc = 0;
break;
}
return rc;
}
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
#if MYNEWT_VAL(BLE_LL_ROLE_BROADCASTER)
/** HCI LE read maximum advertising data length command. Returns the controllers
* max supported advertising data length;
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_adv_rd_max_adv_data_len(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_max_adv_data_len_rp *rsp = (void *) rspbuf;
rsp->max_adv_data_len = htole16(BLE_ADV_DATA_MAX_LEN);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
/**
* HCI LE read number of supported advertising sets
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_adv_rd_sup_adv_sets(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_num_of_adv_sets_rp *rsp = (void *)rspbuf;
rsp->num_sets = BLE_ADV_INSTANCES;
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
#endif
static bool
ble_ll_is_valid_adv_mode(uint8_t ocf)
{
/*
* If, since the last power-on or reset, the Host has ever issued a legacy
* advertising command and then issues an extended advertising command, or
* has ever issued an extended advertising command and then issues a legacy
* advertising command, the Controller shall return the error code Command
* Disallowed (0x0C).
*/
switch(ocf) {
case BLE_HCI_OCF_LE_CREATE_CONN:
case BLE_HCI_OCF_LE_SET_ADV_PARAMS:
case BLE_HCI_OCF_LE_SET_ADV_ENABLE:
case BLE_HCI_OCF_LE_SET_ADV_DATA:
case BLE_HCI_OCF_LE_SET_SCAN_PARAMS:
case BLE_HCI_OCF_LE_SET_SCAN_ENABLE:
case BLE_HCI_OCF_LE_SET_SCAN_RSP_DATA:
case BLE_HCI_OCF_LE_RD_ADV_CHAN_TXPWR:
if (hci_adv_mode == ADV_MODE_EXT) {
return false;
}
hci_adv_mode = ADV_MODE_LEGACY;
break;
case BLE_HCI_OCF_LE_EXT_CREATE_CONN:
case BLE_HCI_OCF_LE_SET_EXT_ADV_DATA:
case BLE_HCI_OCF_LE_SET_EXT_ADV_ENABLE:
case BLE_HCI_OCF_LE_SET_EXT_ADV_PARAM:
case BLE_HCI_OCF_LE_SET_EXT_SCAN_ENABLE:
case BLE_HCI_OCF_LE_SET_EXT_SCAN_PARAM:
case BLE_HCI_OCF_LE_SET_EXT_SCAN_RSP_DATA:
case BLE_HCI_OCF_LE_RD_MAX_ADV_DATA_LEN:
case BLE_HCI_OCF_LE_RD_NUM_OF_ADV_SETS:
case BLE_HCI_OCF_LE_REMOVE_ADV_SET:
case BLE_HCI_OCF_LE_CLEAR_ADV_SETS:
case BLE_HCI_OCF_LE_SET_PERIODIC_ADV_PARAMS:
case BLE_HCI_OCF_LE_SET_PERIODIC_ADV_DATA:
case BLE_HCI_OCF_LE_SET_PERIODIC_ADV_ENABLE:
case BLE_HCI_OCF_LE_PERIODIC_ADV_CREATE_SYNC:
case BLE_HCI_OCF_LE_PERIODIC_ADV_CREATE_SYNC_CANCEL:
case BLE_HCI_OCF_LE_PERIODIC_ADV_TERM_SYNC:
case BLE_HCI_OCF_LE_ADD_DEV_TO_PERIODIC_ADV_LIST:
case BLE_HCI_OCF_LE_REM_DEV_FROM_PERIODIC_ADV_LIST:
case BLE_HCI_OCF_LE_CLEAR_PERIODIC_ADV_LIST:
case BLE_HCI_OCF_LE_RD_PERIODIC_ADV_LIST_SIZE:
#if MYNEWT_VAL(BLE_VERSION) >= 51
case BLE_HCI_OCF_LE_PERIODIC_ADV_RECEIVE_ENABLE:
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_TRANSFER)
case BLE_HCI_OCF_LE_PERIODIC_ADV_SYNC_TRANSFER:
case BLE_HCI_OCF_LE_PERIODIC_ADV_SET_INFO_TRANSFER:
case BLE_HCI_OCF_LE_PERIODIC_ADV_SYNC_TRANSFER_PARAMS:
case BLE_HCI_OCF_LE_SET_DEFAULT_SYNC_TRANSFER_PARAMS:
#endif
if (hci_adv_mode == ADV_MODE_LEGACY) {
return false;
}
hci_adv_mode = ADV_MODE_EXT;
break;
default:
break;
}
return true;
}
#endif
static int
ble_ll_read_tx_power(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_transmit_power_rp *rsp = (void *) rspbuf;
rsp->min_tx_power = ble_ll_tx_power_round(-127);
rsp->max_tx_power = ble_ll_tx_power_round(126);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
static int
ble_ll_read_rf_path_compensation(uint8_t *rspbuf, uint8_t *rsplen)
{
struct ble_hci_le_rd_rf_path_compensation_rp *rsp = (void *) rspbuf;
rsp->rx_path_compensation = htole16(rx_path_pwr_compensation);
rsp->tx_path_compensation = htole16(tx_path_pwr_compensation);
*rsplen = sizeof(*rsp);
return BLE_ERR_SUCCESS;
}
static int
ble_ll_write_rf_path_compensation(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_le_wr_rf_path_compensation_cp *cmd = (const void *)cmdbuf;
int16_t rx;
int16_t tx;
if (len != sizeof(*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
tx = le16toh(cmd->tx_path_compensation);
rx = le16toh(cmd->rx_path_compensation);
if ((tx < -1280) || (tx > 1280) || (rx < -1280) || (rx > 1280)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
tx_path_pwr_compensation = tx;
rx_path_pwr_compensation = rx;
g_ble_ll_tx_power_compensation = tx / 10;
g_ble_ll_rx_power_compensation = rx / 10;
return BLE_ERR_SUCCESS;
}
static int
ble_ll_hci_le_set_host_chan_class(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_le_set_host_chan_class_cp *cmd = (const void *)cmdbuf;
uint8_t chan_map_used;
if (len != sizeof(*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
/* HCI command allows only single channel to be enabled, but LL needs at
* least 2 channels to work so let's reject in such case.
*/
chan_map_used = ble_ll_utils_chan_map_used_get(cmd->chan_map);
if ((chan_map_used < 2) || (cmd->chan_map[4] & 0xe0)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
if (!memcmp(g_ble_ll_data.chan_map, cmd->chan_map, BLE_LL_CHAN_MAP_LEN)) {
return BLE_ERR_SUCCESS;
}
memcpy(g_ble_ll_data.chan_map, cmd->chan_map, BLE_LL_CHAN_MAP_LEN);
g_ble_ll_data.chan_map_used = chan_map_used;
ble_ll_conn_chan_map_update();
#if MYNEWT_VAL(BLE_LL_ISO_BROADCASTER)
ble_ll_iso_big_chan_map_update();
#endif
return BLE_ERR_SUCCESS;
}
/**
* Process a LE command sent from the host to the controller. The HCI command
* has a 3 byte command header followed by data. The header is:
* -> opcode (2 bytes)
* -> Length of parameters (1 byte; does include command header bytes).
*
* @param cmdbuf Pointer to command buffer. Points to start of command header.
* @param ocf Opcode command field.
* @param *rsplen Pointer to length of response
*
* @return int This function returns a BLE error code. If a command status
* event should be returned as opposed to command complete,
* 256 gets added to the return value.
*/
static int
ble_ll_hci_le_cmd_proc(const uint8_t *cmdbuf, uint8_t len, uint16_t ocf,
uint8_t *rspbuf, uint8_t *rsplen)
{
int rc;
/* Assume error; if all pass rc gets set to 0 */
rc = BLE_ERR_INV_HCI_CMD_PARMS;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
if (!ble_ll_is_valid_adv_mode(ocf)) {
rc = BLE_ERR_CMD_DISALLOWED;
/*
* This code is here because we add 256 to the return code to denote
* that the reply to this command should be command status (as opposed to
* command complete).
*
* For unknown HCI command let us return always command status as per
* specification Bluetooth 5, Vol. 2, Chapter 4.4
*/
if (ble_ll_hci_le_cmd_send_cmd_status(ocf)) {
rc += (BLE_ERR_MAX + 1);
}
return rc;
}
#endif
switch (ocf) {
case BLE_HCI_OCF_LE_SET_EVENT_MASK:
rc = ble_ll_hci_set_le_event_mask(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_RD_BUF_SIZE:
if (len == 0) {
rc = ble_ll_hci_le_read_bufsize(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_RD_LOC_SUPP_FEAT:
if (len == 0) {
rc = ble_ll_hci_le_read_local_features(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_SET_RAND_ADDR:
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
rc = ble_ll_set_random_addr(cmdbuf, len, hci_adv_mode == ADV_MODE_EXT);
#else
rc = ble_ll_set_random_addr(cmdbuf, len, false);
#endif
break;
#if MYNEWT_VAL(BLE_LL_ROLE_BROADCASTER)
case BLE_HCI_OCF_LE_SET_ADV_PARAMS:
rc = ble_ll_adv_set_adv_params(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_RD_ADV_CHAN_TXPWR:
if (len == 0) {
rc = ble_ll_adv_read_txpwr(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_SET_ADV_DATA:
rc = ble_ll_hci_set_adv_data(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_SCAN_RSP_DATA:
rc = ble_ll_hci_set_scan_rsp_data(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_ADV_ENABLE:
rc = ble_ll_hci_adv_set_enable(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_ROLE_OBSERVER)
case BLE_HCI_OCF_LE_SET_SCAN_PARAMS:
rc = ble_ll_scan_hci_set_params(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_SCAN_ENABLE:
rc = ble_ll_scan_hci_set_enable(cmdbuf, len);
break;
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_CREATE_CONN:
rc = ble_ll_conn_hci_create(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CREATE_CONN_CANCEL:
if (len == 0) {
rc = ble_ll_conn_create_cancel();
}
break;
#endif
#endif
case BLE_HCI_OCF_LE_RD_WHITE_LIST_SIZE:
if (len == 0) {
rc = ble_ll_whitelist_read_size(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_CLEAR_WHITE_LIST:
if (len == 0) {
rc = ble_ll_whitelist_clear();
}
break;
case BLE_HCI_OCF_LE_ADD_WHITE_LIST:
rc = ble_ll_whitelist_add(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_RMV_WHITE_LIST:
rc = ble_ll_whitelist_rmv(cmdbuf, len);
break;
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_CONN_UPDATE:
rc = ble_ll_conn_hci_update(cmdbuf, len);
break;
#endif
case BLE_HCI_OCF_LE_SET_HOST_CHAN_CLASS:
rc = ble_ll_hci_le_set_host_chan_class(cmdbuf, len);
break;
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_RD_CHAN_MAP:
rc = ble_ll_conn_hci_rd_chan_map(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_RD_REM_FEAT:
rc = ble_ll_conn_hci_read_rem_features(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_ENCRYPTION)
case BLE_HCI_OCF_LE_ENCRYPT:
rc = ble_ll_hci_le_encrypt(cmdbuf, len, rspbuf, rsplen);
break;
#endif
case BLE_HCI_OCF_LE_RAND:
if (len == 0) {
rc = ble_ll_hci_le_rand(rspbuf, rsplen);
}
break;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_ENCRYPTION)
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_START_ENCRYPT:
rc = ble_ll_conn_hci_le_start_encrypt(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL)
case BLE_HCI_OCF_LE_LT_KEY_REQ_REPLY:
rc = ble_ll_conn_hci_le_ltk_reply(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_LT_KEY_REQ_NEG_REPLY:
rc = ble_ll_conn_hci_le_ltk_neg_reply(cmdbuf, len, rspbuf, rsplen);
break;
#endif
#endif
case BLE_HCI_OCF_LE_RD_SUPP_STATES :
if (len == 0) {
rc = ble_ll_hci_le_read_supp_states(rspbuf, rsplen);
}
break;
#if MYNEWT_VAL(BLE_LL_DTM)
case BLE_HCI_OCF_LE_TX_TEST:
rc = ble_ll_hci_dtm_tx_test(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_RX_TEST:
rc = ble_ll_hci_dtm_rx_test(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_TEST_END:
if (len == 0) {
rc = ble_ll_dtm_end_test(rspbuf, rsplen);
}
break;
#endif
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_REM_CONN_PARAM_RR:
rc = ble_ll_conn_hci_param_rr(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_REM_CONN_PARAM_NRR:
rc = ble_ll_conn_hci_param_nrr(cmdbuf, len, rspbuf, rsplen);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_DATA_LEN_EXT)
case BLE_HCI_OCF_LE_SET_DATA_LEN:
rc = ble_ll_conn_hci_set_data_len(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_RD_SUGG_DEF_DATA_LEN:
if (len == 0) {
rc = ble_ll_hci_le_rd_sugg_data_len(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_WR_SUGG_DEF_DATA_LEN:
rc = ble_ll_hci_le_wr_sugg_data_len(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PRIVACY)
case BLE_HCI_OCF_LE_ADD_RESOLV_LIST:
rc = ble_ll_resolv_list_add(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_RMV_RESOLV_LIST:
rc = ble_ll_resolv_list_rmv(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CLR_RESOLV_LIST:
if (len == 0) {
rc = ble_ll_resolv_list_clr();
}
break;
case BLE_HCI_OCF_LE_RD_RESOLV_LIST_SIZE:
if (len == 0) {
rc = ble_ll_resolv_list_read_size(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_RD_PEER_RESOLV_ADDR:
rc = ble_ll_resolv_peer_addr_rd(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_RD_LOCAL_RESOLV_ADDR:
rc = ble_ll_resolv_local_addr_rd(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_SET_ADDR_RES_EN:
rc = ble_ll_resolv_enable_cmd(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_RPA_TMO:
rc = ble_ll_resolv_set_rpa_tmo(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_DATA_LEN_EXT)
case BLE_HCI_OCF_LE_RD_MAX_DATA_LEN:
if (len == 0) {
rc = ble_ll_hci_le_rd_max_data_len(rspbuf, rsplen);
}
break;
#endif
#if MYNEWT_VAL(BLE_LL_PHY)
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_RD_PHY:
rc = ble_ll_conn_hci_le_rd_phy(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_SET_DEFAULT_PHY:
rc = ble_ll_hci_le_set_def_phy(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_PHY:
rc = ble_ll_conn_hci_le_set_phy(cmdbuf, len);
break;
#endif
#endif
#if MYNEWT_VAL(BLE_LL_DTM)
case BLE_HCI_OCF_LE_RX_TEST_V2:
rc = ble_ll_hci_dtm_rx_test_v2(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_TX_TEST_V2:
rc = ble_ll_hci_dtm_tx_test_v2(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_ROLE_BROADCASTER)
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
case BLE_HCI_OCF_LE_SET_ADV_SET_RND_ADDR:
rc = ble_ll_adv_hci_set_random_addr(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_EXT_ADV_PARAM:
rc = ble_ll_adv_ext_set_param(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_SET_EXT_ADV_DATA:
rc = ble_ll_adv_ext_set_adv_data(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_EXT_SCAN_RSP_DATA:
rc = ble_ll_adv_ext_set_scan_rsp(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_EXT_ADV_ENABLE:
rc = ble_ll_adv_ext_set_enable(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_RD_MAX_ADV_DATA_LEN:
if (len == 0) {
rc = ble_ll_adv_rd_max_adv_data_len(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_RD_NUM_OF_ADV_SETS:
if (len == 0) {
rc = ble_ll_adv_rd_sup_adv_sets(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_REMOVE_ADV_SET:
rc = ble_ll_adv_remove(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CLEAR_ADV_SETS:
if (len == 0) {
rc = ble_ll_adv_clear_all();
}
break;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PERIODIC_ADV)
case BLE_HCI_OCF_LE_SET_PERIODIC_ADV_PARAMS:
rc = ble_ll_adv_periodic_set_param(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_PERIODIC_ADV_DATA:
rc = ble_ll_adv_periodic_set_data(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_PERIODIC_ADV_ENABLE:
rc = ble_ll_adv_periodic_enable(cmdbuf, len);
break;
#endif
#endif
#endif
#if MYNEWT_VAL(BLE_LL_ROLE_OBSERVER)
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
case BLE_HCI_OCF_LE_SET_EXT_SCAN_PARAM:
rc = ble_ll_scan_hci_set_ext_params(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_SET_EXT_SCAN_ENABLE:
rc = ble_ll_scan_hci_set_ext_enable(cmdbuf, len);
break;
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_EXT_CREATE_CONN:
rc = ble_ll_conn_hci_ext_create(cmdbuf, len);
break;
#endif
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PERIODIC_ADV)
case BLE_HCI_OCF_LE_PERIODIC_ADV_CREATE_SYNC:
rc = ble_ll_sync_create(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_PERIODIC_ADV_CREATE_SYNC_CANCEL:
if (len == 0) {
rc = ble_ll_sync_cancel();
}
break;
case BLE_HCI_OCF_LE_PERIODIC_ADV_TERM_SYNC:
rc = ble_ll_sync_terminate(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_ADD_DEV_TO_PERIODIC_ADV_LIST:
rc = ble_ll_sync_list_add(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_REM_DEV_FROM_PERIODIC_ADV_LIST:
rc = ble_ll_sync_list_remove(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CLEAR_PERIODIC_ADV_LIST:
if (len == 0) {
rc = ble_ll_sync_list_clear();
}
break;
case BLE_HCI_OCF_LE_RD_PERIODIC_ADV_LIST_SIZE:
if (len == 0) {
rc = ble_ll_sync_list_size(rspbuf, rsplen);
}
break;
#if MYNEWT_VAL(BLE_VERSION) >= 51
case BLE_HCI_OCF_LE_PERIODIC_ADV_RECEIVE_ENABLE:
rc = ble_ll_sync_receive_enable(cmdbuf, len);
break;
#endif
#endif
#endif
case BLE_HCI_OCF_LE_RD_TRANSMIT_POWER:
if (len == 0) {
rc = ble_ll_read_tx_power(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_RD_RF_PATH_COMPENSATION:
if (len == 0) {
rc = ble_ll_read_rf_path_compensation(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_LE_WR_RF_PATH_COMPENSATION:
rc = ble_ll_write_rf_path_compensation(cmdbuf, len);
break;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PRIVACY)
case BLE_HCI_OCF_LE_SET_PRIVACY_MODE:
rc = ble_ll_resolve_set_priv_mode(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_TRANSFER)
#if MYNEWT_VAL(BLE_LL_ROLE_OBSERVER)
case BLE_HCI_OCF_LE_PERIODIC_ADV_SYNC_TRANSFER:
rc = ble_ll_sync_transfer(cmdbuf, len, rspbuf, rsplen);
break;
#endif
#if MYNEWT_VAL(BLE_LL_ROLE_BROADCASTER)
case BLE_HCI_OCF_LE_PERIODIC_ADV_SET_INFO_TRANSFER:
rc = ble_ll_adv_periodic_set_info_transfer(cmdbuf, len, rspbuf, rsplen);
break;
#endif
case BLE_HCI_OCF_LE_PERIODIC_ADV_SYNC_TRANSFER_PARAMS:
rc = ble_ll_set_sync_transfer_params(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_SET_DEFAULT_SYNC_TRANSFER_PARAMS:
rc = ble_ll_set_default_sync_transfer_params(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_ISO_BROADCASTER)
case BLE_HCI_OCF_LE_CREATE_BIG:
rc = ble_ll_iso_big_hci_create(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CREATE_BIG_TEST:
rc = ble_ll_iso_big_hci_create_test(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_TERMINATE_BIG:
rc = ble_ll_iso_big_hci_terminate(cmdbuf, len);
break;
#endif /* BLE_LL_ISO_BROADCASTER */
#if MYNEWT_VAL(BLE_LL_ISO)
case BLE_HCI_OCF_LE_SETUP_ISO_DATA_PATH:
rc = ble_ll_isoal_hci_setup_iso_data_path(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_REMOVE_ISO_DATA_PATH:
rc = ble_ll_isoal_hci_remove_iso_data_path(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_READ_ISO_TX_SYNC:
rc = ble_ll_isoal_hci_read_tx_sync(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_RD_BUF_SIZE_V2:
if (len == 0) {
rc = ble_ll_hci_le_read_bufsize_v2(rspbuf, rsplen);
}
break;
#endif /* BLE_LL_ISO */
#if MYNEWT_VAL(BLE_VERSION) >= 52
case BLE_HCI_OCF_LE_SET_HOST_FEATURE:
rc = ble_ll_set_host_feat(cmdbuf, len);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_SCA_UPDATE)
case BLE_HCI_OCF_LE_REQ_PEER_SCA:
rc = ble_ll_conn_req_peer_sca(cmdbuf, len,
rspbuf, rsplen);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_ENHANCED_CONN_UPDATE)
case BLE_HCI_OCF_LE_SET_DEFAULT_SUBRATE:
rc = ble_ll_conn_hci_set_default_subrate(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_SUBRATE_REQ:
rc = ble_ll_conn_hci_subrate_req(cmdbuf, len, rspbuf, rsplen);
break;
#endif
#if MYNEWT_VAL(BLE_LL_CHANNEL_SOUNDING)
case BLE_HCI_OCF_LE_CS_RD_LOC_SUPP_CAP:
rc = ble_ll_cs_hci_rd_loc_supp_cap(rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_CS_RD_REM_SUPP_CAP:
rc = ble_ll_cs_hci_rd_rem_supp_cap(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CS_WR_CACHED_REM_SUPP_CAP:
rc = ble_ll_cs_hci_wr_cached_rem_supp_cap(cmdbuf, len, rspbuf, rsplen);
break;
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_LE_CS_SEC_ENABLE:
rc = ble_ll_cs_hci_sec_enable(cmdbuf, len);
break;
#endif
case BLE_HCI_OCF_LE_CS_SET_DEF_SETTINGS:
rc = ble_ll_cs_hci_set_def_settings(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_CS_RD_REM_FAE:
rc = ble_ll_cs_hci_rd_rem_fae(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CS_WR_CACHED_REM_FAE:
rc = ble_ll_cs_hci_wr_cached_rem_fae(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_CS_CREATE_CONFIG:
rc = ble_ll_cs_hci_create_config(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CS_REMOVE_CONFIG:
rc = ble_ll_cs_hci_remove_config(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CS_SET_CHAN_CLASS:
rc = ble_ll_cs_hci_set_chan_class(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CS_SET_PROC_PARAMS:
rc = ble_ll_cs_hci_set_proc_params(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_CS_PROC_ENABLE:
rc = ble_ll_cs_hci_proc_enable(cmdbuf, len);
break;
case BLE_HCI_OCF_LE_CS_TEST:
rc = ble_ll_cs_hci_test(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_LE_CS_TEST_END:
rc = ble_ll_cs_hci_test_end();
break;
#endif
default:
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
}
/*
* This code is here because we add 256 to the return code to denote
* that the reply to this command should be command status (as opposed to
* command complete).
*/
if (ble_ll_hci_le_cmd_send_cmd_status(ocf)) {
rc += (BLE_ERR_MAX + 1);
}
return rc;
}
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL) || MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL)
static int
ble_ll_hci_disconnect(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_lc_disconnect_cp *cmd;
cmd = (const void *) cmdbuf;
if (len != sizeof (*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
return ble_ll_conn_hci_disconnect_cmd(cmd);
}
#endif
/**
* Process a link control command sent from the host to the controller. The HCI
* command has a 3 byte command header followed by data. The header is:
* -> opcode (2 bytes)
* -> Length of parameters (1 byte; does include command header bytes).
*
* @param cmdbuf Pointer to command buffer. Points to start of command header.
* @param ocf Opcode command field.
*
* @return int This function returns a BLE error code. If a command status
* event should be returned as opposed to command complete,
* 256 gets added to the return value.
*/
static int
ble_ll_hci_link_ctrl_cmd_proc(const uint8_t *cmdbuf, uint8_t len, uint16_t ocf)
{
int rc;
switch (ocf) {
#if MYNEWT_VAL(BLE_LL_ROLE_CENTRAL) || MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL)
case BLE_HCI_OCF_DISCONNECT_CMD:
rc = ble_ll_hci_disconnect(cmdbuf, len);
/* Send command status instead of command complete */
rc += (BLE_ERR_MAX + 1);
break;
case BLE_HCI_OCF_RD_REM_VER_INFO:
rc = ble_ll_conn_hci_rd_rem_ver_cmd(cmdbuf, len);
/* Send command status instead of command complete */
rc += (BLE_ERR_MAX + 1);
break;
#endif
default:
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
}
return rc;
}
static int
ble_ll_hci_cb_set_event_mask(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_cb_set_event_mask_cp *cmd = (const void *) cmdbuf;
if (len != sizeof (*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
g_ble_ll_hci_event_mask = le64toh(cmd->event_mask);
return BLE_ERR_SUCCESS;
}
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_CTRL_TO_HOST_FLOW_CONTROL)
static int
ble_ll_hci_cb_set_ctrlr_to_host_fc(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_cb_ctlr_to_host_fc_cp *cmd = (const void *) cmdbuf;
if (len != sizeof (*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
/* We only allow to either disable flow control or enable for ACL only */
if (cmd->enable > 1) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
if (!ble_ll_conn_cth_flow_enable(cmd->enable)) {
return BLE_ERR_CMD_DISALLOWED;
}
return BLE_ERR_SUCCESS;
}
static int
ble_ll_hci_cb_host_buf_size(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_cb_host_buf_size_cp *cmd = (const void *) cmdbuf;
uint16_t acl_num;
uint16_t acl_data_len;
if (len != sizeof (*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
/* We do not support SCO so those parameters should be set to 0 */
if (cmd->sco_num || cmd->sco_data_len) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
acl_num = le16toh(cmd->acl_num);
acl_data_len = le16toh(cmd->acl_data_len);
if ((acl_num < 1) || (acl_data_len < 1)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
ble_ll_conn_cth_flow_set_buffers(acl_num);
return BLE_ERR_SUCCESS;
}
#endif
static int
ble_ll_hci_cb_set_event_mask2(const uint8_t *cmdbuf, uint8_t len)
{
const struct ble_hci_cb_set_event_mask2_cp *cmd = (const void *) cmdbuf;
if (len != sizeof (*cmd)) {
return BLE_ERR_INV_HCI_CMD_PARMS;
}
g_ble_ll_hci_event_mask2 = le64toh(cmd->event_mask2);
return BLE_ERR_SUCCESS;
}
static int
ble_ll_hci_ctlr_bb_cmd_proc(const uint8_t *cmdbuf, uint8_t len, uint16_t ocf,
uint8_t *rspbuf, uint8_t *rsplen)
{
int rc;
/* Assume error; if all pass rc gets set to 0 */
rc = BLE_ERR_INV_HCI_CMD_PARMS;
switch (ocf) {
case BLE_HCI_OCF_CB_SET_EVENT_MASK:
rc = ble_ll_hci_cb_set_event_mask(cmdbuf, len);
break;
case BLE_HCI_OCF_CB_RESET:
if (len == 0) {
rc = ble_ll_reset();
}
break;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_CTRL_TO_HOST_FLOW_CONTROL)
case BLE_HCI_OCF_CB_SET_CTLR_TO_HOST_FC:
rc = ble_ll_hci_cb_set_ctrlr_to_host_fc(cmdbuf, len);
break;
case BLE_HCI_OCF_CB_HOST_BUF_SIZE:
rc = ble_ll_hci_cb_host_buf_size(cmdbuf, len);
break;
case BLE_HCI_OCF_CB_HOST_NUM_COMP_PKTS:
/*
* HCI_Host_Number_Of_Completed_Packets is handled immediately when
* received from transport so we should never receive it here.
*/
BLE_LL_ASSERT(0);
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
#endif
case BLE_HCI_OCF_CB_SET_EVENT_MASK2:
rc = ble_ll_hci_cb_set_event_mask2(cmdbuf, len);
break;
#if (MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)) \
&& MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_PING)
case BLE_HCI_OCF_CB_RD_AUTH_PYLD_TMO:
rc = ble_ll_conn_hci_rd_auth_pyld_tmo(cmdbuf, len, rspbuf, rsplen);
break;
case BLE_HCI_OCF_CB_WR_AUTH_PYLD_TMO:
rc = ble_ll_conn_hci_wr_auth_pyld_tmo(cmdbuf, len, rspbuf, rsplen);
break;
#endif
default:
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
}
return rc;
}
static int
ble_ll_hci_info_params_cmd_proc(const uint8_t *cmdbuf, uint8_t len,
uint16_t ocf, uint8_t *rspbuf, uint8_t *rsplen)
{
int rc;
/* Assume error; if all pass rc gets set to 0 */
rc = BLE_ERR_INV_HCI_CMD_PARMS;
switch (ocf) {
case BLE_HCI_OCF_IP_RD_LOCAL_VER:
if (len == 0) {
rc = ble_ll_hci_rd_local_version(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_IP_RD_LOC_SUPP_CMD:
if (len == 0) {
rc = ble_ll_hci_rd_local_supp_cmd(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_IP_RD_LOC_SUPP_FEAT:
if (len == 0) {
rc = ble_ll_hci_rd_local_supp_feat(rspbuf, rsplen);
}
break;
case BLE_HCI_OCF_IP_RD_BD_ADDR:
if (len == 0) {
rc = ble_ll_hci_rd_bd_addr(rspbuf, rsplen);
}
break;
default:
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
}
return rc;
}
static int
ble_ll_hci_status_params_cmd_proc(const uint8_t *cmdbuf, uint8_t len,
uint16_t ocf, uint8_t *rspbuf,
uint8_t *rsplen)
{
int rc;
switch (ocf) {
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
case BLE_HCI_OCF_RD_RSSI:
rc = ble_ll_conn_hci_rd_rssi(cmdbuf, len, rspbuf, rsplen);
break;
#endif
default:
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
}
return rc;
}
#if MYNEWT_VAL(BLE_LL_HBD_FAKE_DUAL_MODE)
static void
ble_ll_hci_cmd_fake_dual_mode_inquiry_complete(struct ble_npl_event *ev)
{
struct ble_hci_ev *hci_ev;
hci_ev = ble_transport_alloc_evt(1);
if (!hci_ev) {
return;
}
hci_ev->opcode = BLE_HCI_EVCODE_INQUIRY_CMP;
hci_ev->length = 1;
hci_ev->data[0] = 0;
ble_ll_hci_event_send(hci_ev);
}
static void
ble_ll_hci_cmd_fake_dual_mode_inquiry(uint32_t length)
{
static struct ble_npl_callout inquiry_timer;
static bool init;
if (!init) {
ble_npl_callout_init(&inquiry_timer, &g_ble_ll_data.ll_evq,
ble_ll_hci_cmd_fake_dual_mode_inquiry_complete,
NULL);
}
if (length) {
ble_npl_callout_reset(&inquiry_timer,
ble_npl_time_ms_to_ticks32(length * 1280));
} else {
ble_npl_callout_stop(&inquiry_timer);
}
}
static int
ble_ll_hci_cmd_fake_dual_mode(uint16_t opcode, uint8_t *cmdbuf, uint8_t len,
uint8_t *rspbuf, uint8_t *rsplen)
{
int rc;
switch (opcode) {
case BLE_HCI_OP(BLE_HCI_OGF_LINK_CTRL, 0x01): /* Inquiry */
ble_ll_hci_cmd_fake_dual_mode_inquiry(cmdbuf[3]);
rc = BLE_ERR_MAX + 1;
break;
case BLE_HCI_OP(BLE_HCI_OGF_LINK_CTRL, 0x02): /* Inquiry Cancel */
ble_ll_hci_cmd_fake_dual_mode_inquiry(0);
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x05): /* Set Event Filter */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x13): /* Write Local Name */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x16): /* Write Connection Accept Timeout */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x18): /* Write Page Timeout */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x1a): /* Write Scan Enable */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x1c): /* Write Page Scan Activity */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x1e): /* Write Inquiry Scan Activity */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x20): /* Write Authentication Enable */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x24): /* Write Class Of Device */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x33): /* Host Buffer Size */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x45): /* Write Inquiry Mode */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x52): /* Write Extended Inquiry Response */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x56): /* Write Simple Pairing Mode */
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x6d): /* Write LE Host Support */
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x14): /* Read Local Name */
memset(rspbuf, 0, 248);
strcpy((char *)rspbuf, "NimBLE");
*rsplen = 248;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x23): /* Read Class Of Device */
put_le24(rspbuf, 0);
*rsplen = 3;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x25): /* Read Voice Settings */
put_le16(rspbuf, 0);
*rsplen = 2;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x38): /* Read Number Of Supported IAC */
rspbuf[0] = 1;
*rsplen = 1;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x39): /* Read Current IAC LAP */
rspbuf[0] = 1;
put_le24(&rspbuf[1], 0x9e8b33);
*rsplen = 4;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, 0x58): /* Read Inquiry Response Transmit Power Level */
rspbuf[0] = 0x04;
*rsplen = 1;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_INFO_PARAMS, BLE_HCI_OCF_IP_RD_LOC_SUPP_FEAT):
put_le64(rspbuf, 0x877bffdbfe0ffebf);
*rsplen = 8;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_INFO_PARAMS, 0x04): /* Read Local Extended Features */
rspbuf[0] = 0;
rspbuf[1] = 0;
put_le64(&rspbuf[2], 0x877bffdbfe0ffebf);
*rsplen = 10;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_INFO_PARAMS, BLE_HCI_OCF_IP_RD_BUF_SIZE):
put_le16(rspbuf, 255);
rspbuf[2] = 0;
put_le16(rspbuf + 3, 4);
put_le16(rspbuf + 5, 0);
*rsplen = 7;
rc = 0;
break;
case BLE_HCI_OP(BLE_HCI_OGF_LE, BLE_HCI_OCF_LE_RD_SUPP_STATES):
put_le64(rspbuf, 0x000003ffffffffff);
*rsplen = 8;
rc = 0;
break;
default:
rc = -1;
}
return rc;
}
#endif
void
ble_ll_hci_post_cmd_cb_set(ble_ll_hci_post_cmd_complete_cb cb, void *user_data)
{
BLE_LL_ASSERT(hci_cmd_post_cb == NULL);
hci_cmd_post_cb = cb;
hci_cmd_post_cb_user_data = user_data;
}
/**
* Called to process an HCI command from the host.
*
* @param ev Pointer to os event containing a pointer to command buffer
*/
static void
ble_ll_hci_cmd_proc(struct ble_npl_event *ev)
{
int rc;
uint8_t ogf;
uint8_t rsplen;
struct ble_hci_cmd *cmd;
uint16_t opcode;
uint16_t ocf;
struct ble_hci_ev *hci_ev;
struct ble_hci_ev_command_status *cmd_status;
struct ble_hci_ev_command_complete *cmd_complete;
uint8_t *rspbuf;
BLE_LL_DEBUG_GPIO(HCI_CMD, 1);
/* The command buffer is the event argument */
cmd = ble_npl_event_get_arg(ev);
BLE_LL_ASSERT(cmd != NULL);
/* Get the opcode from the command buffer */
opcode = le16toh(cmd->opcode);
ocf = BLE_HCI_OCF(opcode);
ogf = BLE_HCI_OGF(opcode);
/*
* The command response pointer points into the same buffer as the
* command data itself. That is fine, as each command reads all the data
* before crafting a response.
* Also reuse cmd buffer for complete event
*/
hci_ev = (struct ble_hci_ev *) cmd;
rspbuf = hci_ev->data + sizeof(*cmd_complete);
/* Assume response length is zero */
rsplen = 0;
#if MYNEWT_VAL(BLE_LL_DTM)
/* if DTM test is enabled disallow any command other than LE Test End or
* HCI Reset
*/
if (ble_ll_dtm_enabled()) {
switch (opcode) {
case BLE_HCI_OP(BLE_HCI_OGF_LE, BLE_HCI_OCF_LE_TEST_END):
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, BLE_HCI_OCF_CB_RESET):
break;
default:
rc = BLE_ERR_CMD_DISALLOWED;
goto send_cc_cs;
}
}
#endif
#if MYNEWT_VAL(BLE_LL_HBD_FAKE_DUAL_MODE)
rc = ble_ll_hci_cmd_fake_dual_mode(opcode, cmd->data, cmd->length,
rspbuf, &rsplen);
if (rc >= 0) {
goto send_cc_cs;
}
#endif
switch (ogf) {
case BLE_HCI_OGF_LINK_CTRL:
rc = ble_ll_hci_link_ctrl_cmd_proc(cmd->data, cmd->length, ocf);
break;
case BLE_HCI_OGF_CTLR_BASEBAND:
rc = ble_ll_hci_ctlr_bb_cmd_proc(cmd->data, cmd->length, ocf, rspbuf, &rsplen);
break;
case BLE_HCI_OGF_INFO_PARAMS:
rc = ble_ll_hci_info_params_cmd_proc(cmd->data, cmd->length, ocf, rspbuf, &rsplen);
break;
case BLE_HCI_OGF_STATUS_PARAMS:
rc = ble_ll_hci_status_params_cmd_proc(cmd->data, cmd->length, ocf, rspbuf, &rsplen);
break;
case BLE_HCI_OGF_LE:
rc = ble_ll_hci_le_cmd_proc(cmd->data, cmd->length, ocf, rspbuf, &rsplen);
break;
#if MYNEWT_VAL(BLE_LL_HCI_VS)
case BLE_HCI_OGF_VENDOR:
rc = ble_ll_hci_vs_cmd_proc(cmd->data, cmd->length, ocf, rspbuf, &rsplen);
break;
#endif
default:
/* XXX: Need to support other OGF. For now, return unsupported */
rc = BLE_ERR_UNKNOWN_HCI_CMD;
break;
}
/* We always send command status for unknown command
* ref: Core 5.3, Vol 4, Part E, 4.5
*/
if (rc == BLE_ERR_UNKNOWN_HCI_CMD) {
rc += (BLE_ERR_MAX + 1);
}
#if MYNEWT_VAL(BLE_LL_HBD_FAKE_DUAL_MODE) || MYNEWT_VAL(BLE_LL_DTM)
send_cc_cs:
#endif
/* If no response is generated, we free the buffers */
BLE_LL_ASSERT(rc >= 0);
if (rc <= BLE_ERR_MAX) {
/* Create a command complete event with status from command */
hci_ev->opcode = BLE_HCI_EVCODE_COMMAND_COMPLETE;
hci_ev->length = sizeof(*cmd_complete) + rsplen;
cmd_complete = (void *) hci_ev->data;
cmd_complete->num_packets = ble_ll_hci_get_num_cmd_pkts();
cmd_complete->opcode = htole16(opcode);
cmd_complete->status = (uint8_t) rc;
} else {
/* Create a command status event */
rc -= (BLE_ERR_MAX + 1);
hci_ev->opcode = BLE_HCI_EVCODE_COMMAND_STATUS;
hci_ev->length = sizeof(*cmd_status);
cmd_status = (void *) hci_ev->data;
cmd_status->status = (uint8_t)rc;
cmd_status->num_packets = ble_ll_hci_get_num_cmd_pkts();
cmd_status->opcode = htole16(opcode);
}
/* Count commands and those in error */
if (rc) {
STATS_INC(ble_ll_stats, hci_cmd_errs);
} else {
STATS_INC(ble_ll_stats, hci_cmds);
}
/* Send the event (events cannot be masked) */
ble_ll_hci_event_send(hci_ev);
/* Call post callback if set by command handler */
if (hci_cmd_post_cb) {
hci_cmd_post_cb(hci_cmd_post_cb_user_data);
hci_cmd_post_cb = NULL;
hci_cmd_post_cb_user_data = NULL;
}
BLE_LL_DEBUG_GPIO(HCI_CMD, 0);
}
int
ble_ll_hci_cmd_rx(uint8_t *cmdbuf)
{
struct ble_npl_event *ev;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_CTRL_TO_HOST_FLOW_CONTROL)
const struct ble_hci_cmd *cmd;
uint16_t opcode;
uint16_t ocf;
uint16_t ogf;
cmd = (const void *)cmdbuf;
opcode = le16toh(cmd->opcode);
ogf = BLE_HCI_OGF(opcode);
ocf = BLE_HCI_OCF(opcode);
/*
* HCI_Host_Number_Of_Completed_Packets is processed outside standard flow
* thus it can be sent at any time, even if another command is already
* pending. This means we should better process it here and send an event to
* LL in case of error.
*/
if ((ogf == BLE_HCI_OGF_CTLR_BASEBAND) &&
(ocf == BLE_HCI_OCF_CB_HOST_NUM_COMP_PKTS)) {
ble_ll_conn_cth_flow_process_cmd(cmdbuf);
ble_transport_free(cmdbuf);
return 0;
}
#endif
/* Get an event structure off the queue */
ev = &g_ble_ll_hci_cmd_ev;
if (ble_npl_event_is_queued(ev)) {
return BLE_ERR_MEM_CAPACITY;
}
/* Fill out the event and post to Link Layer */
ble_npl_event_set_arg(ev, cmdbuf);
ble_ll_event_add(ev);
return 0;
}
int
ble_ll_hci_acl_rx(struct os_mbuf *om)
{
#if MYNEWT_VAL(BLE_LL_ROLE_PERIPHERAL) || MYNEWT_VAL(BLE_LL_ROLE_CENTRAL)
ble_ll_acl_data_in(om);
#else
/* host should never send ACL in that case but if it does just ignore it */
os_mbuf_free_chain(om);
#endif
return 0;
}
int
ble_ll_hci_iso_rx(struct os_mbuf *om)
{
#if MYNEWT_VAL(BLE_LL_ISO)
ble_ll_isoal_data_in(om);
#else
os_mbuf_free_chain(om);
#endif
return 0;
}
/**
* Initalize the LL HCI.
*
* NOTE: This function is called by the HCI RESET command so if any code
* is added here it must be OK to be executed when the reset command is used.
*/
void
ble_ll_hci_init(void)
{
BLE_LL_DEBUG_GPIO_INIT(HCI_CMD);
BLE_LL_DEBUG_GPIO_INIT(HCI_EV);
/* Set event callback for command processing */
ble_npl_event_init(&g_ble_ll_hci_cmd_ev, ble_ll_hci_cmd_proc, NULL);
/* Set defaults for LE events: Vol 2 Part E 7.8.1 */
g_ble_ll_hci_le_event_mask = 0x1f;
/* Set defaults for controller/baseband events: Vol 2 Part E 7.3.1 */
g_ble_ll_hci_event_mask = 0x1fffffffffff;
/* Set page 2 to 0 */
g_ble_ll_hci_event_mask2 = 0;
/* reset RF path compensation values */
rx_path_pwr_compensation = 0;
tx_path_pwr_compensation = 0;
#if MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_EXT_ADV)
/* after reset both legacy and extended advertising commands are allowed */
hci_adv_mode = ADV_MODE_ANY;
#endif
}