Now checking that encryption procedure is in correct state to accept a reply from host. Signed-off-by: Erik Brockhoff <erbr@oticon.com>
641 lines
20 KiB
C
641 lines
20 KiB
C
/*
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* Copyright (c) 2020 Demant
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* LLCP Memory Pool Descriptor */
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struct llcp_mem_pool {
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void *free;
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uint8_t *pool;
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};
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/* LLCP Procedure */
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enum llcp_proc {
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PROC_UNKNOWN,
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PROC_LE_PING,
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PROC_FEATURE_EXCHANGE,
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PROC_MIN_USED_CHANS,
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PROC_VERSION_EXCHANGE,
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PROC_ENCRYPTION_START,
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PROC_ENCRYPTION_PAUSE,
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PROC_PHY_UPDATE,
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PROC_CONN_UPDATE,
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PROC_CONN_PARAM_REQ,
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PROC_TERMINATE,
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PROC_CHAN_MAP_UPDATE,
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PROC_DATA_LENGTH_UPDATE,
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PROC_CTE_REQ,
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/* A helper enum entry, to use in pause procedure context */
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PROC_NONE = 0x0,
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};
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enum llcp_tx_q_pause_data_mask {
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LLCP_TX_QUEUE_PAUSE_DATA_ENCRYPTION = 0x01,
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LLCP_TX_QUEUE_PAUSE_DATA_PHY_UPDATE = 0x02,
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LLCP_TX_QUEUE_PAUSE_DATA_DATA_LENGTH = 0x04,
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};
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#if ((CONFIG_BT_CTLR_LLCP_COMMON_TX_CTRL_BUF_NUM <\
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(CONFIG_BT_CTLR_LLCP_TX_PER_CONN_TX_CTRL_BUF_NUM_MAX *\
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CONFIG_BT_CTLR_LLCP_CONN)) &&\
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(CONFIG_BT_CTLR_LLCP_PER_CONN_TX_CTRL_BUF_NUM <\
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CONFIG_BT_CTLR_LLCP_TX_PER_CONN_TX_CTRL_BUF_NUM_MAX))
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#define LLCP_TX_CTRL_BUF_QUEUE_ENABLE
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#define LLCP_TX_CTRL_BUF_COUNT ((CONFIG_BT_CTLR_LLCP_COMMON_TX_CTRL_BUF_NUM +\
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(CONFIG_BT_CTLR_LLCP_CONN * CONFIG_BT_CTLR_LLCP_PER_CONN_TX_CTRL_BUF_NUM)))
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#else
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#define LLCP_TX_CTRL_BUF_COUNT (CONFIG_BT_CTLR_LLCP_TX_PER_CONN_TX_CTRL_BUF_NUM_MAX *\
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CONFIG_BT_CTLR_LLCP_CONN)
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#endif
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#if defined(LLCP_TX_CTRL_BUF_QUEUE_ENABLE)
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enum llcp_wait_reason {
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WAITING_FOR_NOTHING,
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WAITING_FOR_TX_BUFFER,
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};
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#endif /* LLCP_TX_CTRL_BUF_QUEUE_ENABLE */
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#if defined(CONFIG_BT_CTLR_LE_ENC)
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struct llcp_enc {
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uint8_t error;
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/* NOTE: To save memory, SKD(m|s) and IV(m|s) are
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* generated just-in-time for PDU enqueuing and are
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* therefore not present in this structure.
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* Further candidates for optimizing memory layout.
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* * Overlay memory
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* * Repurpose memory used by lll.ccm_tx/rx?
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*/
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/* Central: Rand and EDIV are input copies from
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* HCI that only live until the LL_ENC_REQ has
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* been enqueued.
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*
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* Peripheral: Rand and EDIV are input copies from
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* the LL_ENC_REQ that only live until host
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* notification has been enqueued.
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*/
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/* 64 bit random number. */
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uint8_t rand[8];
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/* 16 bit encrypted diversifier.*/
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uint8_t ediv[2];
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/* 128 bit long term key. */
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uint8_t ltk[16];
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/* SKD is the concatenation of SKDm and SKDs and
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* is used to calculate the session key, SK.
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*
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* Lifetime:
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* M : Generate SKDm and IVm
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* M->S : LL_ENC_REQ(Rand, EDIV, SKDm, IVm)
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* S : Notify host (Rand, EDIV)
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* S : Generate SKDs and IVs
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* S : Calculate SK = e(LTK, SKD)
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* M<-S : LL_ENC_RSP(SKDs, IVs)
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* M : Calculate SK = e(LTK, SKD)
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*
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* where security function e generates 128-bit
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* encryptedData from a 128-bit key and 128-bit
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* plaintextData using the AES-128-bit block
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* cypher as defined in FIPS-1971:
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* encryptedData = e(key, plaintextData)
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*/
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union {
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/* 128-bit session key diversifier */
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uint8_t skd[16];
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struct {
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uint8_t skdm[8];
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uint8_t skds[8];
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};
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};
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};
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#endif /* CONFIG_BT_CTLR_LE_ENC */
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/* LLCP Procedure Context */
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struct proc_ctx {
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/* Must be the first for sys_slist to work */
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sys_snode_t node;
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/* llcp_mem_pool owner of this context */
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struct llcp_mem_pool *owner;
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/* PROC_ */
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enum llcp_proc proc;
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enum pdu_data_llctrl_type response_opcode;
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/* Procedure FSM */
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uint8_t state;
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/* Expected opcode to be received next */
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enum pdu_data_llctrl_type rx_opcode;
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/* Last transmitted opcode used for unknown/reject */
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enum pdu_data_llctrl_type tx_opcode;
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/* Instant collision */
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int collision;
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#if defined(LLCP_TX_CTRL_BUF_QUEUE_ENABLE)
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/* Wait list next pointer */
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sys_snode_t wait_node;
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/* Procedure wait reason */
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enum llcp_wait_reason wait_reason;
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#endif /* LLCP_TX_CTRL_BUF_QUEUE_ENABLE */
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/* TX node awaiting ack */
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struct node_tx *tx_ack;
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/*
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* This flag is set to 1 when we are finished with the control
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* procedure and it is safe to release the context ctx
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*/
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int done;
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/* Procedure data */
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union {
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/* Used by Minimum Used Channels Procedure */
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#if defined(CONFIG_BT_CTLR_MIN_USED_CHAN)
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struct {
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uint8_t phys;
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uint8_t min_used_chans;
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} muc;
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#endif /* CONFIG_BT_CTLR_MIN_USED_CHAN */
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#if defined(CONFIG_BT_CTLR_LE_ENC)
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/* Used by Encryption Procedure */
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struct llcp_enc enc;
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#endif /* CONFIG_BT_CTLR_LE_ENC */
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#if defined(CONFIG_BT_CTLR_PHY)
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/* PHY Update */
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struct {
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uint8_t tx:3;
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uint8_t rx:3;
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uint8_t flags:1;
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uint8_t host_initiated:1;
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uint8_t ntf_pu:1;
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#if defined(CONFIG_BT_CTLR_DATA_LENGTH)
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uint8_t ntf_dle:1;
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#endif /* CONFIG_BT_CTLR_DATA_LENGTH */
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uint8_t error;
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uint16_t instant;
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uint8_t c_to_p_phy;
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uint8_t p_to_c_phy;
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} pu;
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#endif /* CONFIG_BT_CTLR_PHY */
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/* Connection Update & Connection Parameter Request */
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struct {
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uint8_t error;
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uint8_t params_changed;
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uint16_t instant;
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uint8_t win_size;
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uint16_t win_offset_us;
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uint16_t interval_min;
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uint16_t interval_max;
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uint16_t latency;
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uint16_t timeout;
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#if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
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uint8_t preferred_periodicity;
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uint16_t reference_conn_event_count;
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uint16_t offset0;
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uint16_t offset1;
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uint16_t offset2;
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uint16_t offset3;
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uint16_t offset4;
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uint16_t offset5;
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#endif /* defined(CONFIG_BT_CTLR_CONN_PARAM_REQ) */
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} cu;
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/* Use by ACL Termination Procedure */
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struct {
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uint8_t error_code;
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} term;
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/* Use by Channel Map Update Procedure */
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struct {
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uint16_t instant;
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uint8_t chm[5];
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} chmu;
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#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
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/* Use by CTE Request Procedure */
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struct {
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uint8_t type:2;
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uint8_t min_len:5;
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} cte_req;
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struct llcp_df_cte_remote_rsp {
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/* Storage for information that received LL_CTE_RSP PDU includes CTE */
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uint8_t has_cte;
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} cte_remote_rsp;
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#endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
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#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RSP)
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/* Use by CTE Response Procedure */
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struct llcp_df_cte_remote_req {
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uint8_t cte_type;
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uint8_t min_cte_len;
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} cte_remote_req;
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#endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RSP */
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} data;
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struct {
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uint8_t type;
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} unknown_response;
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struct {
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uint8_t reject_opcode;
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uint8_t error_code;
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} reject_ext_ind;
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};
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/* Procedure Incompatibility */
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enum proc_incompat {
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/* Local procedure has not sent first PDU */
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INCOMPAT_NO_COLLISION,
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/* Local incompatible procedure has sent first PDU */
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INCOMPAT_RESOLVABLE,
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/* Local incompatible procedure has received first PDU */
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INCOMPAT_RESERVED,
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};
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/* Invalid LL Control PDU Opcode */
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#define ULL_LLCP_INVALID_OPCODE (0xFFU)
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static inline bool is_instant_passed(uint16_t instant, uint16_t event_count)
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{
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/*
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* BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 6, Part B
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* 5.5.1 ACL Control Procedures
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* When a periph receives such a PDU where (Instant – connEventCount) modulo
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* 65536 is less than 32767 and Instant is not equal to connEventCount, the periph
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* shall listen to all the connection events until it has confirmation that the central
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* has received its acknowledgment of the PDU or connEventCount equals
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* Instant.
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*
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* x % 2^n == x & (2^n - 1)
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*
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* 65535 = 2^16 - 1
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* 65536 = 2^16
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*/
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return ((instant - event_count) & 0xFFFFU) > 0x7FFFU;
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}
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static inline bool is_instant_not_passed(uint16_t instant, uint16_t event_count)
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{
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/*
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* BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 6, Part B
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* 5.5.1 ACL Control Procedures
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* When a periph receives such a PDU where (Instant – connEventCount) modulo
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* 65536 is less than 32767 and Instant is not equal to connEventCount, the periph
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* shall listen to all the connection events until it has confirmation that the central
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* has received its acknowledgment of the PDU or connEventCount equals
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* Instant.
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*
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* x % 2^n == x & (2^n - 1)
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*
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* 65535 = 2^16 - 1
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* 65536 = 2^16
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*/
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return ((instant - event_count) & 0xFFFFU) < 0x7FFFU;
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}
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static inline bool is_instant_reached_or_passed(uint16_t instant, uint16_t event_count)
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{
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/*
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* BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 6, Part B
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* 5.5.1 ACL Control Procedures
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* When a periph receives such a PDU where (Instant – connEventCount) modulo
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* 65536 is less than 32767 and Instant is not equal to connEventCount, the periph
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* shall listen to all the connection events until it has confirmation that the central
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* has received its acknowledgment of the PDU or connEventCount equals
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* Instant.
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*
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* x % 2^n == x & (2^n - 1)
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*
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* 65535 = 2^16 - 1
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* 65536 = 2^16
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*/
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return ((event_count - instant) & 0xFFFFU) <= 0x7FFFU;
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}
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/*
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* LLCP Resource Management
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*/
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bool llcp_ntf_alloc_is_available(void);
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bool llcp_ntf_alloc_num_available(uint8_t count);
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struct node_rx_pdu *llcp_ntf_alloc(void);
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struct proc_ctx *llcp_create_local_procedure(enum llcp_proc proc);
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struct proc_ctx *llcp_create_remote_procedure(enum llcp_proc proc);
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bool llcp_tx_alloc_peek(struct ll_conn *conn, struct proc_ctx *ctx);
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void llcp_tx_alloc_unpeek(struct proc_ctx *ctx);
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struct node_tx *llcp_tx_alloc(struct ll_conn *conn, struct proc_ctx *ctx);
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void llcp_proc_ctx_release(struct proc_ctx *ctx);
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/*
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* ULL -> LLL Interface
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*/
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void llcp_tx_enqueue(struct ll_conn *conn, struct node_tx *tx);
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void llcp_tx_pause_data(struct ll_conn *conn, enum llcp_tx_q_pause_data_mask pause_mask);
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void llcp_tx_resume_data(struct ll_conn *conn, enum llcp_tx_q_pause_data_mask resume_mask);
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void llcp_tx_flush(struct ll_conn *conn);
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/*
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* LLCP Procedure Response Timeout
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*/
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void llcp_lr_prt_restart(struct ll_conn *conn);
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void llcp_lr_prt_stop(struct ll_conn *conn);
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void llcp_rr_prt_restart(struct ll_conn *conn);
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void llcp_rr_prt_stop(struct ll_conn *conn);
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/*
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* LLCP Local Procedure Common
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*/
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void llcp_lp_comm_tx_ack(struct ll_conn *conn, struct proc_ctx *ctx, struct node_tx *tx);
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void llcp_lp_comm_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_lp_comm_init_proc(struct proc_ctx *ctx);
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void llcp_lp_comm_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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/*
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* LLCP Remote Procedure Common
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*/
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void llcp_rp_comm_tx_ack(struct ll_conn *conn, struct proc_ctx *ctx, struct node_tx *tx);
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void llcp_rp_comm_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_rp_comm_init_proc(struct proc_ctx *ctx);
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void llcp_rp_comm_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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#if defined(CONFIG_BT_CTLR_LE_ENC)
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/*
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* LLCP Local Procedure Encryption
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*/
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void llcp_lp_enc_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_lp_enc_init_proc(struct proc_ctx *ctx);
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void llcp_lp_enc_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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/*
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* LLCP Remote Procedure Encryption
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*/
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void llcp_rp_enc_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_rp_enc_init_proc(struct proc_ctx *ctx);
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void llcp_rp_enc_ltk_req_reply(struct ll_conn *conn, struct proc_ctx *ctx);
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void llcp_rp_enc_ltk_req_neg_reply(struct ll_conn *conn, struct proc_ctx *ctx);
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bool llcp_rp_enc_ltk_req_reply_allowed(struct ll_conn *conn, struct proc_ctx *ctx);
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void llcp_rp_enc_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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#endif /* CONFIG_BT_CTLR_LE_ENC */
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#if defined(CONFIG_BT_CTLR_PHY)
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/*
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* LLCP Local Procedure PHY Update
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*/
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void llcp_lp_pu_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_lp_pu_init_proc(struct proc_ctx *ctx);
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void llcp_lp_pu_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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void llcp_lp_pu_tx_ack(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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#endif /* CONFIG_BT_CTLR_PHY */
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/*
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* LLCP Local Procedure Connection Update
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*/
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void llcp_lp_cu_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_lp_cu_init_proc(struct proc_ctx *ctx);
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void llcp_lp_cu_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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/*
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* LLCP Local Channel Map Update
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*/
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void llcp_lp_chmu_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_lp_chmu_init_proc(struct proc_ctx *ctx);
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void llcp_lp_chmu_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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#if defined(CONFIG_BT_CTLR_PHY)
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/*
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* LLCP Remote Procedure PHY Update
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*/
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void llcp_rp_pu_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_rp_pu_init_proc(struct proc_ctx *ctx);
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void llcp_rp_pu_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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void llcp_rp_pu_tx_ack(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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#endif /* CONFIG_BT_CTLR_PHY */
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/*
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* LLCP Remote Procedure Connection Update
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*/
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void llcp_rp_cu_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_rp_cu_init_proc(struct proc_ctx *ctx);
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void llcp_rp_cu_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
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void llcp_rp_conn_param_req_reply(struct ll_conn *conn, struct proc_ctx *ctx);
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void llcp_rp_conn_param_req_neg_reply(struct ll_conn *conn, struct proc_ctx *ctx);
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/*
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* Terminate Helper
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*/
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void llcp_pdu_encode_terminate_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
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void llcp_ntf_encode_terminate_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
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void llcp_pdu_decode_terminate_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
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/*
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* LLCP Local Request
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*/
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struct proc_ctx *llcp_lr_peek(struct ll_conn *conn);
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bool llcp_lr_ispaused(struct ll_conn *conn);
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void llcp_lr_pause(struct ll_conn *conn);
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void llcp_lr_resume(struct ll_conn *conn);
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void llcp_lr_tx_ack(struct ll_conn *conn, struct proc_ctx *ctx, struct node_tx *tx);
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void llcp_lr_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
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void llcp_lr_enqueue(struct ll_conn *conn, struct proc_ctx *ctx);
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void llcp_lr_init(struct ll_conn *conn);
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void llcp_lr_run(struct ll_conn *conn);
|
||
void llcp_lr_complete(struct ll_conn *conn);
|
||
void llcp_lr_connect(struct ll_conn *conn);
|
||
void llcp_lr_disconnect(struct ll_conn *conn);
|
||
void llcp_lr_abort(struct ll_conn *conn);
|
||
|
||
/*
|
||
* LLCP Remote Request
|
||
*/
|
||
void llcp_rr_set_incompat(struct ll_conn *conn, enum proc_incompat incompat);
|
||
bool llcp_rr_get_collision(struct ll_conn *conn);
|
||
void llcp_rr_set_paused_cmd(struct ll_conn *conn, enum llcp_proc);
|
||
enum llcp_proc llcp_rr_get_paused_cmd(struct ll_conn *conn);
|
||
struct proc_ctx *llcp_rr_peek(struct ll_conn *conn);
|
||
bool llcp_rr_ispaused(struct ll_conn *conn);
|
||
void llcp_rr_pause(struct ll_conn *conn);
|
||
void llcp_rr_resume(struct ll_conn *conn);
|
||
void llcp_rr_tx_ack(struct ll_conn *conn, struct proc_ctx *ctx, struct node_tx *tx);
|
||
void llcp_rr_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
|
||
void llcp_rr_init(struct ll_conn *conn);
|
||
void llcp_rr_prepare(struct ll_conn *conn, struct node_rx_pdu *rx);
|
||
void llcp_rr_run(struct ll_conn *conn);
|
||
void llcp_rr_complete(struct ll_conn *conn);
|
||
void llcp_rr_connect(struct ll_conn *conn);
|
||
void llcp_rr_disconnect(struct ll_conn *conn);
|
||
void llcp_rr_new(struct ll_conn *conn, struct node_rx_pdu *rx);
|
||
|
||
#if defined(CONFIG_BT_CTLR_LE_PING)
|
||
/*
|
||
* LE Ping Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_ping_req(struct pdu_data *pdu);
|
||
void llcp_pdu_encode_ping_rsp(struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CTLR_LE_PING */
|
||
/*
|
||
* Unknown response helper
|
||
*/
|
||
|
||
void llcp_pdu_encode_unknown_rsp(struct proc_ctx *ctx,
|
||
struct pdu_data *pdu);
|
||
void llcp_pdu_decode_unknown_rsp(struct proc_ctx *ctx,
|
||
struct pdu_data *pdu);
|
||
void llcp_ntf_encode_unknown_rsp(struct proc_ctx *ctx,
|
||
struct pdu_data *pdu);
|
||
|
||
/*
|
||
* Feature Exchange Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_feature_req(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
void llcp_pdu_encode_feature_rsp(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
void llcp_ntf_encode_feature_rsp(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
void llcp_ntf_encode_feature_req(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
void llcp_pdu_decode_feature_req(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
void llcp_pdu_decode_feature_rsp(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
|
||
#if defined(CONFIG_BT_CTLR_MIN_USED_CHAN)
|
||
/*
|
||
* Minimum number of used channels Procedure Helper
|
||
*/
|
||
#if defined(CONFIG_BT_PERIPHERAL)
|
||
void llcp_pdu_encode_min_used_chans_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_PERIPHERAL */
|
||
|
||
#if defined(CONFIG_BT_CENTRAL)
|
||
void llcp_pdu_decode_min_used_chans_ind(struct ll_conn *conn, struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CENTRAL */
|
||
#endif /* CONFIG_BT_CTLR_MIN_USED_CHAN */
|
||
|
||
/*
|
||
* Version Exchange Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_version_ind(struct pdu_data *pdu);
|
||
void llcp_ntf_encode_version_ind(struct ll_conn *conn, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_version_ind(struct ll_conn *conn, struct pdu_data *pdu);
|
||
|
||
#if defined(CONFIG_BT_CTLR_LE_ENC)
|
||
/*
|
||
* Encryption Start Procedure Helper
|
||
*/
|
||
#if defined(CONFIG_BT_CENTRAL)
|
||
void llcp_pdu_encode_enc_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CENTRAL */
|
||
|
||
#if defined(CONFIG_BT_PERIPHERAL)
|
||
void llcp_ntf_encode_enc_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_encode_enc_rsp(struct pdu_data *pdu);
|
||
void llcp_pdu_encode_start_enc_req(struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_PERIPHERAL */
|
||
|
||
void llcp_pdu_encode_start_enc_rsp(struct pdu_data *pdu);
|
||
|
||
#if defined(CONFIG_BT_CENTRAL)
|
||
void llcp_pdu_encode_pause_enc_req(struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CENTRAL */
|
||
|
||
void llcp_pdu_encode_pause_enc_rsp(struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CTLR_LE_ENC */
|
||
|
||
void llcp_pdu_encode_reject_ind(struct pdu_data *pdu, uint8_t error_code);
|
||
void llcp_pdu_encode_reject_ext_ind(struct pdu_data *pdu, uint8_t reject_opcode,
|
||
uint8_t error_code);
|
||
void llcp_pdu_decode_reject_ext_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_ntf_encode_reject_ext_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
|
||
/*
|
||
* PHY Update Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_phy_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_phy_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
|
||
#if defined(CONFIG_BT_PERIPHERAL)
|
||
void llcp_pdu_encode_phy_rsp(struct ll_conn *conn, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_phy_update_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_PERIPHERAL */
|
||
|
||
#if defined(CONFIG_BT_CENTRAL)
|
||
void llcp_pdu_encode_phy_update_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_phy_rsp(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CENTRAL */
|
||
|
||
/*
|
||
* Connection Update Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_conn_param_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_conn_param_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_encode_conn_param_rsp(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_conn_param_rsp(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_encode_conn_update_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_conn_update_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
|
||
/*
|
||
* Remote Channel Map Update Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_chan_map_update_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_chan_map_update_ind(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_rp_chmu_rx(struct ll_conn *conn, struct proc_ctx *ctx, struct node_rx_pdu *rx);
|
||
void llcp_rp_chmu_init_proc(struct proc_ctx *ctx);
|
||
void llcp_rp_chmu_run(struct ll_conn *conn, struct proc_ctx *ctx, void *param);
|
||
|
||
#if defined(CONFIG_BT_CTLR_DATA_LENGTH)
|
||
/*
|
||
* Data Length Update Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_length_req(struct ll_conn *conn, struct pdu_data *pdu);
|
||
void llcp_pdu_encode_length_rsp(struct ll_conn *conn, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_length_req(struct ll_conn *conn, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_length_rsp(struct ll_conn *conn, struct pdu_data *pdu);
|
||
void llcp_ntf_encode_length_change(struct ll_conn *conn,
|
||
struct pdu_data *pdu);
|
||
|
||
#endif /* CONFIG_BT_CTLR_DATA_LENGTH */
|
||
|
||
#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
|
||
/*
|
||
* Constant Tone Request Procedure Helper
|
||
*/
|
||
void llcp_pdu_encode_cte_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_decode_cte_rsp(struct proc_ctx *ctx, const struct pdu_data *pdu);
|
||
void llcp_ntf_encode_cte_req(struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
|
||
|
||
#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_RSP)
|
||
/*
|
||
* Constant Tone Response Procedure Helper
|
||
*/
|
||
void llcp_pdu_decode_cte_req(struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
void llcp_pdu_encode_cte_rsp(const struct proc_ctx *ctx, struct pdu_data *pdu);
|
||
#endif /* CONFIG_BT_CTLR_DF_CONN_CTE_RSP */
|
||
|
||
#ifdef ZTEST_UNITTEST
|
||
bool lr_is_disconnected(struct ll_conn *conn);
|
||
bool lr_is_idle(struct ll_conn *conn);
|
||
bool rr_is_disconnected(struct ll_conn *conn);
|
||
bool rr_is_idle(struct ll_conn *conn);
|
||
uint16_t ctx_buffers_free(void);
|
||
#endif
|