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Bluetooth: host: Add support for extended conn create options

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Add support to use the extended conn create options to establish
connections on LE Coded PHY or 2M. This uses the connection options
set by bt_conn_set_scan_params.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
This commit is contained in:
Joakim Andersson 2020-02-03 12:42:27 +01:00 • committed by Johan Hedberg
commit 06ee3d8e62
2 changed files with 123 additions and 11 deletions
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8
subsys/bluetooth/host/conn.c
View file

@ -2165,11 +2165,7 @@ int bt_conn_le_create_auto(const struct bt_conn_le_create_param *create_param,
}
bt_conn_set_param_le(conn, param);
if (create_param) {
bt_dev.create_param = *create_param;
} else {
bt_dev.create_param = *BT_CONN_LE_CREATE_CONN;
}
atomic_set_bit(conn->flags, BT_CONN_AUTO_CONNECT);
bt_conn_set_state(conn, BT_CONN_CONNECT_AUTO);
@ -2282,11 +2278,7 @@ int bt_conn_le_create(const bt_addr_le_t *peer,
}
bt_conn_set_param_le(conn, conn_param);
if (create_param) {
bt_dev.create_param = *create_param;
} else {
bt_dev.create_param = *BT_CONN_LE_CREATE_CONN;
}
#if defined(CONFIG_BT_SMP)
if (!bt_dev.le.rl_size || bt_dev.le.rl_entries > bt_dev.le.rl_size) {

122
subsys/bluetooth/host/hci_core.c
View file

@ -979,7 +979,117 @@ static int le_create_conn_set_random_addr(bool use_filter, u8_t *own_addr_type)
return 0;
}
int bt_le_create_conn(const struct bt_conn *conn)
static void set_phy_conn_param(const struct bt_conn *conn,
struct bt_hci_ext_conn_phy *phy)
{
phy->conn_interval_min = sys_cpu_to_le16(conn->le.interval_min);
phy->conn_interval_max = sys_cpu_to_le16(conn->le.interval_max);
phy->conn_latency = sys_cpu_to_le16(conn->le.latency);
phy->supervision_timeout = sys_cpu_to_le16(conn->le.timeout);
phy->min_ce_len = 0;
phy->max_ce_len = 0;
}
int bt_le_create_conn_ext(const struct bt_conn *conn)
{
struct bt_hci_cp_le_ext_create_conn *cp;
struct bt_hci_ext_conn_phy *phy;
struct cmd_state_set state;
bool use_filter = false;
struct net_buf *buf;
u8_t own_addr_type;
u8_t num_phys;
int err;
if (IS_ENABLED(CONFIG_BT_WHITELIST)) {
use_filter = atomic_test_bit(conn->flags, BT_CONN_AUTO_CONNECT);
}
err = le_create_conn_set_random_addr(use_filter, &own_addr_type);
if (err) {
return err;
}
num_phys = (!(bt_dev.create_param.options &
BT_LE_CONN_OPT_NO_1M) ? 1 : 0) +
((bt_dev.create_param.options &
BT_LE_CONN_OPT_2M) ? 1 : 0) +
((bt_dev.create_param.options &
BT_LE_CONN_OPT_CODED) ? 1 : 0);
buf = bt_hci_cmd_create(BT_HCI_OP_LE_EXT_CREATE_CONN, sizeof(*cp) +
num_phys * sizeof(*phy));
if (!buf) {
return -ENOBUFS;
}
cp = net_buf_add(buf, sizeof(*cp));
(void)memset(cp, 0, sizeof(*cp));
if (use_filter) {
/* User Initiated procedure use fast scan parameters. */
bt_addr_le_copy(&cp->peer_addr, BT_ADDR_LE_ANY);
cp->filter_policy = BT_HCI_LE_CREATE_CONN_FP_WHITELIST;
} else {
const bt_addr_le_t *peer_addr = &conn->le.dst;
#if defined(CONFIG_BT_SMP)
if (!bt_dev.le.rl_size ||
bt_dev.le.rl_entries > bt_dev.le.rl_size) {
/* Host resolving is used, use the RPA directly. */
peer_addr = &conn->le.resp_addr;
}
#endif
bt_addr_le_copy(&cp->peer_addr, peer_addr);
cp->filter_policy = BT_HCI_LE_CREATE_CONN_FP_DIRECT;
}
cp->own_addr_type = own_addr_type;
cp->phys = 0;
if (!(bt_dev.create_param.options & BT_LE_CONN_OPT_NO_1M)) {
cp->phys |= BT_HCI_LE_EXT_SCAN_PHY_1M;
phy = net_buf_add(buf, sizeof(*phy));
phy->scan_interval = sys_cpu_to_le16(
bt_dev.create_param.interval);
phy->scan_window = sys_cpu_to_le16(
bt_dev.create_param.window);
set_phy_conn_param(conn, phy);
}
if (bt_dev.create_param.options & BT_LE_CONN_OPT_2M) {
cp->phys |= BT_HCI_LE_EXT_SCAN_PHY_2M;
phy = net_buf_add(buf, sizeof(*phy));
phy->scan_interval = sys_cpu_to_le16(
bt_dev.create_param.interval);
phy->scan_window = sys_cpu_to_le16(
bt_dev.create_param.window);
set_phy_conn_param(conn, phy);
}
if (bt_dev.create_param.options & BT_LE_CONN_OPT_CODED) {
u16_t interval = bt_dev.create_param.interval_coded ?
bt_dev.create_param.interval_coded :
bt_dev.create_param.interval;
u16_t window = bt_dev.create_param.window_coded ?
bt_dev.create_param.window_coded :
bt_dev.create_param.window;
cp->phys |= BT_HCI_LE_EXT_SCAN_PHY_CODED;
phy = net_buf_add(buf, sizeof(*phy));
phy->scan_interval = sys_cpu_to_le16(interval);
phy->scan_window = sys_cpu_to_le16(window);
set_phy_conn_param(conn, phy);
}
cmd_state_set_init(&state, bt_dev.flags, BT_DEV_INITIATING, true);
cmd(buf)->state = &state;
return bt_hci_cmd_send_sync(BT_HCI_OP_LE_EXT_CREATE_CONN, buf, NULL);
}
int bt_le_create_conn_legacy(const struct bt_conn *conn)
{
struct bt_hci_cp_le_create_conn *cp;
struct cmd_state_set state;
@ -1038,6 +1148,16 @@ int bt_le_create_conn(const struct bt_conn *conn)
return bt_hci_cmd_send_sync(BT_HCI_OP_LE_CREATE_CONN, buf, NULL);
}
int bt_le_create_conn(const struct bt_conn *conn)
{
if (IS_ENABLED(CONFIG_BT_EXT_ADV) &&
BT_FEAT_LE_EXT_ADV(bt_dev.le.features)) {
return bt_le_create_conn_ext(conn);
}
return bt_le_create_conn_legacy(conn);
}
int bt_le_create_conn_cancel(void)
{
struct net_buf *buf;