Bluetooth: Host: Minor doc and rename for LE remote feature exchange
Rename `BT_CONN_AUTO_FEATURE_EXCH` to `BT_CONN_LE_FEATURES_EXCHANGED`, and add some comments for readability. Signed-off-by: Aleksander Wasaznik <aleksander.wasaznik@nordicsemi.no>
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3 changed files with 10 additions and 4 deletions
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@ -2812,7 +2812,7 @@ int bt_conn_get_info(const struct bt_conn *conn, struct bt_conn_info *info)
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int bt_conn_get_remote_info(struct bt_conn *conn,
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struct bt_conn_remote_info *remote_info)
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{
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if (!atomic_test_bit(conn->flags, BT_CONN_AUTO_FEATURE_EXCH) ||
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if (!atomic_test_bit(conn->flags, BT_CONN_LE_FEATURES_EXCHANGED) ||
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(IS_ENABLED(CONFIG_BT_REMOTE_VERSION) &&
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!atomic_test_bit(conn->flags, BT_CONN_AUTO_VERSION_INFO))) {
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return -EBUSY;
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@ -71,7 +71,7 @@ enum {
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BT_CONN_ATT_MTU_EXCHANGED, /* If ATT MTU has been exchanged. */
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#endif /* CONFIG_BT_GATT_CLIENT */
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BT_CONN_AUTO_FEATURE_EXCH, /* Auto-initiated LE Feat done */
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BT_CONN_LE_FEATURES_EXCHANGED, /* bt_conn.le.features is valid */
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BT_CONN_AUTO_VERSION_INFO, /* Auto-initiated LE version done */
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BT_CONN_CTE_RX_ENABLED, /* CTE receive and sampling is enabled */
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@ -103,6 +103,11 @@ struct bt_conn_le {
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uint8_t conn_param_retry_countdown;
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#endif
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/** @brief Remote LE features
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*
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* Available after `atomic_test_bit(conn->flags, BT_CONN_LE_FEATURES_EXCHANGED)`.
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* Signaled by bt_conn_cb.remote_info_available().
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*/
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uint8_t features[8];
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struct bt_keys *keys;
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@ -1035,6 +1035,7 @@ static int hci_le_read_remote_features(struct bt_conn *conn)
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cp = net_buf_add(buf, sizeof(*cp));
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cp->handle = sys_cpu_to_le16(conn->handle);
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/* Results in BT_HCI_EVT_LE_REMOTE_FEAT_COMPLETE */
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return bt_hci_cmd_send_sync(BT_HCI_OP_LE_READ_REMOTE_FEATURES, buf, NULL);
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}
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@ -1206,7 +1207,7 @@ static void conn_auto_initiate(struct bt_conn *conn)
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return;
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}
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if (!atomic_test_bit(conn->flags, BT_CONN_AUTO_FEATURE_EXCH) &&
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if (!atomic_test_bit(conn->flags, BT_CONN_LE_FEATURES_EXCHANGED) &&
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((conn->role == BT_HCI_ROLE_CENTRAL) ||
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BT_FEAT_LE_PER_INIT_FEAT_XCHG(bt_dev.le.features))) {
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err = hci_le_read_remote_features(conn);
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@ -1801,7 +1802,7 @@ static void le_remote_feat_complete(struct net_buf *buf)
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sizeof(conn->le.features));
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}
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atomic_set_bit(conn->flags, BT_CONN_AUTO_FEATURE_EXCH);
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atomic_set_bit(conn->flags, BT_CONN_LE_FEATURES_EXCHANGED);
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if (IS_ENABLED(CONFIG_BT_REMOTE_INFO) &&
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!IS_ENABLED(CONFIG_BT_REMOTE_VERSION)) {
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