mirror of
https://github.com/zephyrproject-rtos/zephyr
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b9d13664ab
With this split we get better control of the buffer sizes and counts. We also anyway will need a fragments pool so a simple generic ACL_OUT pool doesn't make sense anymore. The related Kconfig options for that have been removed. Change-Id: I616cf49915a1cc0dc0ddc724e2e182bcbe0c80f6 Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/** @file
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* @brief Internal APIs for Bluetooth connection handling.
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*/
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/*
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* Copyright (c) 2015 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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typedef enum {
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BT_CONN_DISCONNECTED,
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BT_CONN_CONNECT_SCAN,
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BT_CONN_CONNECT,
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BT_CONN_CONNECTED,
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BT_CONN_DISCONNECT,
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} bt_conn_state_t;
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/* bt_conn flags: the flags defined here represent connection parameters */
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enum {
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BT_CONN_AUTO_CONNECT,
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};
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struct bt_conn_le {
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bt_addr_le_t dst;
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bt_addr_le_t init_addr;
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bt_addr_le_t resp_addr;
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uint8_t conn_interval;
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uint8_t features[8];
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};
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struct bt_conn_br {
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};
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struct bt_conn {
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uint16_t handle;
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uint8_t role;
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atomic_t flags[1];
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uint8_t pending_pkts;
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#if defined(CONFIG_BLUETOOTH_SMP)
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uint8_t encrypt;
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bt_security_t sec_level;
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bt_security_t required_sec_level;
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#endif /* CONFIG_BLUETOOTH_SMP */
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uint16_t rx_len;
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struct net_buf *rx;
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/* Queue for outgoing ACL data */
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struct nano_fifo tx_queue;
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struct bt_keys *keys;
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/* L2CAP channels */
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void *channels;
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atomic_t ref;
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bt_conn_state_t state;
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/* Handle allowing to cancel timeout fiber */
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void *timeout;
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union {
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struct bt_conn_le le;
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struct bt_conn_br br;
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};
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/* Stack for TX fiber and timeout fiber.
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* Since these fibers don't overlap, one stack can be used by
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* both of them.
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*/
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BT_STACK(stack, 256);
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};
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/* Process incoming data for a connection */
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void bt_conn_recv(struct bt_conn *conn, struct net_buf *buf, uint8_t flags);
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/* Send data over a connection */
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void bt_conn_send(struct bt_conn *conn, struct net_buf *buf);
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/* Add a new connection */
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struct bt_conn *bt_conn_add(const bt_addr_le_t *peer);
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/* Look up an existing connection */
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struct bt_conn *bt_conn_lookup_handle(uint16_t handle);
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/* Look up a connection state. For BT_ADDR_LE_ANY, returns the first connection
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* with the specific state
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*/
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struct bt_conn *bt_conn_lookup_state(const bt_addr_le_t *peer,
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const bt_conn_state_t state);
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/* Set connection object in certain state and perform action related to state */
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void bt_conn_set_state(struct bt_conn *conn, bt_conn_state_t state);
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int bt_conn_le_conn_update(struct bt_conn *conn, uint16_t min, uint16_t max,
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uint16_t latency, uint16_t timeout);
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#if defined(CONFIG_BLUETOOTH_SMP)
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/* rand and ediv should be in BT order */
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int bt_conn_le_start_encryption(struct bt_conn *conn, uint64_t rand,
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uint16_t ediv, const uint8_t *ltk, size_t len);
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/* Notify higher layers that RPA was resolved */
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void bt_conn_identity_resolved(struct bt_conn *conn);
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/* Notify higher layers that connection security changed */
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void bt_conn_security_changed(struct bt_conn *conn);
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/* Prepare a PDU to be sent over a connection */
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struct net_buf *bt_conn_create_pdu(struct nano_fifo *fifo, size_t reserve);
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/* Initialize connection management */
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int bt_conn_init(void);
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#endif /* CONFIG_BLUETOOTH_SMP */
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