705515c092
Ported implementation of Data Length Update Procedure to ULL/LLL architecture of the Link Layer. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
162 lines
3.4 KiB
C
162 lines
3.4 KiB
C
/*
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* Copyright (c) 2018-2019 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define LLL_CONN_RSSI_SAMPLE_COUNT 10
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#define LLL_CONN_RSSI_THRESHOLD 4
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#define LLL_CONN_MIC_NONE 0
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#define LLL_CONN_MIC_PASS 1
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#define LLL_CONN_MIC_FAIL 2
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struct lll_tx {
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u16_t handle;
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void *node;
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};
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struct node_tx {
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union {
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void *next;
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memq_link_t *link;
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};
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u8_t pdu[];
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};
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enum llcp {
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LLCP_NONE,
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LLCP_CONN_UPD,
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LLCP_CHAN_MAP,
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#if defined(CONFIG_BT_CTLR_LE_ENC)
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LLCP_ENCRYPTION,
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#endif /* CONFIG_BT_CTLR_LE_ENC */
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LLCP_FEATURE_EXCHANGE,
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LLCP_VERSION_EXCHANGE,
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/* LLCP_TERMINATE, */
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LLCP_CONNECTION_PARAM_REQ,
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#if defined(CONFIG_BT_CTLR_LE_PING)
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LLCP_PING,
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#endif /* CONFIG_BT_CTLR_LE_PING */
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#if defined(CONFIG_BT_CTLR_PHY)
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LLCP_PHY_UPD,
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#endif /* CONFIG_BT_CTLR_PHY */
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};
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struct lll_conn {
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struct lll_hdr hdr;
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u8_t access_addr[4];
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u8_t crc_init[3];
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u16_t handle;
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u16_t interval;
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u16_t latency;
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/* FIXME: BEGIN: Move to ULL? */
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u16_t latency_prepare;
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u16_t latency_event;
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u16_t event_counter;
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u8_t data_chan_map[5];
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u8_t data_chan_count:6;
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u8_t data_chan_sel:1;
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u8_t role:1;
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union {
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struct {
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u8_t data_chan_hop;
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u8_t data_chan_use;
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};
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u16_t data_chan_id;
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};
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union {
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struct {
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u8_t terminate_ack:1;
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} master;
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struct {
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u8_t latency_enabled:1;
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u8_t latency_cancel:1;
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u8_t sca:3;
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u32_t window_widening_periodic_us;
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u32_t window_widening_max_us;
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u32_t window_widening_prepare_us;
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u32_t window_widening_event_us;
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u32_t window_size_prepare_us;
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u32_t window_size_event_us;
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} slave;
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};
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/* FIXME: END: Move to ULL? */
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#if defined(CONFIG_BT_CTLR_DATA_LENGTH)
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u16_t max_tx_octets;
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u16_t max_rx_octets;
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#if defined(CONFIG_BT_CTLR_PHY)
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u16_t max_tx_time;
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u16_t max_rx_time;
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#endif /* CONFIG_BT_CTLR_PHY */
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#endif /* CONFIG_BT_CTLR_DATA_LENGTH */
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#if defined(CONFIG_BT_CTLR_PHY)
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u8_t phy_tx:3;
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u8_t phy_flags:1;
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u8_t phy_tx_time:3;
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u8_t phy_rx:3;
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#endif /* CONFIG_BT_CTLR_PHY */
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MEMQ_DECLARE(tx);
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memq_link_t link_tx;
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memq_link_t *link_tx_free;
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u8_t packet_tx_head_len;
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u8_t packet_tx_head_offset;
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u8_t sn:1;
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u8_t nesn:1;
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u8_t empty:1;
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#if defined(CONFIG_BT_CTLR_LE_ENC)
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u8_t enc_rx:1;
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u8_t enc_tx:1;
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struct ccm ccm_rx;
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struct ccm ccm_tx;
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#endif /* CONFIG_BT_CTLR_LE_ENC */
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#if defined(CONFIG_BT_CTLR_CONN_RSSI)
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u8_t rssi_latest;
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u8_t rssi_reported;
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u8_t rssi_sample_count;
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#endif /* CONFIG_BT_CTLR_CONN_RSSI */
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};
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int lll_conn_init(void);
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int lll_conn_reset(void);
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u8_t lll_conn_sca_local_get(void);
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u32_t lll_conn_ppm_local_get(void);
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u32_t lll_conn_ppm_get(u8_t sca);
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void lll_conn_prepare_reset(void);
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int lll_conn_is_abort_cb(void *next, int prio, void *curr,
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lll_prepare_cb_t *resume_cb, int *resume_prio);
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void lll_conn_abort_cb(struct lll_prepare_param *prepare_param, void *param);
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void lll_conn_isr_rx(void *param);
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void lll_conn_isr_tx(void *param);
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void lll_conn_isr_abort(void *param);
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void lll_conn_rx_pkt_set(struct lll_conn *lll);
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void lll_conn_tx_pkt_set(struct lll_conn *lll, struct pdu_data *pdu_data_tx);
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void lll_conn_pdu_tx_prep(struct lll_conn *lll, struct pdu_data **pdu_data_tx);
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u8_t lll_conn_ack_last_idx_get(void);
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memq_link_t *lll_conn_ack_peek(u8_t *ack_last, u16_t *handle,
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struct node_tx **node_tx);
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memq_link_t *lll_conn_ack_by_last_peek(u8_t last, u16_t *handle,
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struct node_tx **node_tx);
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void *lll_conn_ack_dequeue(void);
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void lll_conn_tx_flush(void *param);
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