120 /* This is a dummy structure we use for the empty PDU */
298  * Called to determine if the received PDU is an empty PDU or not.
857  * Callback for slave when it transmits a data pdu and the connection event
1030  * Called when we want to send a data channel pdu inside a connection event.
1103      * We need to check if we are retrying a pdu or if there is a pdu on  in ble_ll_conn_tx_data_pdu()
1113      * If we dont have a pdu we have previously transmitted, take it off  in ble_ll_conn_tx_data_pdu()
1125          * kinds of LL control PDU's. If none is enqueued, send empty pdu!  in ble_ll_conn_tx_data_pdu()
1185             /* Empty PDU here. NOTE: header byte gets set later */  in ble_ll_conn_tx_data_pdu()
1259     /* If we send an empty PDU we need to initialize the header */  in ble_ll_conn_tx_data_pdu()
1264          * when we have an empty pdu.  in ble_ll_conn_tx_data_pdu()
1301      *  -> wait IFS, send empty pdu or next pdu.  in ble_ll_conn_tx_data_pdu()
1568  * Called to determine if the device is allowed to send the next pdu in the
1576  * @param begtime   Time at which IFS before pdu transmission starts
1626             /* We will send empty pdu (just a LL header) */  in ble_ll_conn_can_send_next_pdu()
2103     /* Free the current transmit pdu if there is one. */  in ble_ll_conn_end()
2223      * know that the master has received the ACK to the PDU that set  in ble_ll_conn_next_event()
2432      * Set the last rxd pdu time since this is where we want to start the  in ble_ll_conn_created()
2683  * Update the connection request PDU with the address type and address of
2933  * Process a received PDU while in the initiating state.
3077  * Called when a receive PDU has started and we are in the initiating state.
3120  * Make a connect request PDU
3134     /* Construct first PDU header byte */  in ble_ll_conn_req_pdu_make()
3168  * Called when a receive PDU has ended and we are in the initiating state.
3488      * We have to restart receive if we cant hand up pdu. We return 0 so that  in ble_ll_init_rx_isr_end()
3494          * XXX: possible allocate the PDU when we start initiating?  in ble_ll_init_rx_isr_end()
3495          * I cannot say I like this solution, but if we cannot allocate a PDU  in ble_ll_init_rx_isr_end()
3552  * Called when a data channel PDU has started that matches the access
3553  * address of the current connection. Note that the CRC of the PDU has not
3604  * Called from the Link Layer task when a data PDU has been received
3608  * @param rxpdu Pointer to received pdu
3609  * @param rxpdu Pointer to ble mbuf header of received pdu
3631             /* Validate rx data pdu */  in ble_ll_conn_rx_data_pdu()
3648             /* Check if PDU is allowed when encryption is started. If not,  in ble_ll_conn_rx_data_pdu()
3686              * Discard the received PDU if the sequence number is the same  in ble_ll_conn_rx_data_pdu()
3694                 /* No need to do anything if empty pdu */  in ble_ll_conn_rx_data_pdu()
3702                  * might expect to get an encrypted PDU?  in ble_ll_conn_rx_data_pdu()
3790      * buffers available. We want to free up our transmit PDU if it was  in ble_ll_conn_rx_isr_end()
3792      * NOTE: we hand up empty pdu's to the LL task!  in ble_ll_conn_rx_isr_end()
3808      * Calculate the end time of the received PDU. NOTE: this looks strange  in ble_ll_conn_rx_isr_end()
3823      * received PDU does not pass the CRC check. If we receive two consecutive  in ble_ll_conn_rx_isr_end()
3846         /* Set last valid received pdu time (resets supervision timer) */  in ble_ll_conn_rx_isr_end()
3871          * a resent PDU and should be ignored.  in ble_ll_conn_rx_isr_end()
3889          * is acknowledged. Otherwise we need to resend this PDU.  in ble_ll_conn_rx_isr_end()
3895                 /* We did not get an ACK. Must retry the PDU */  in ble_ll_conn_rx_isr_end()
3902                 /* If we transmitted the empty pdu, clear flag */  in ble_ll_conn_rx_isr_end()
3936                         /* If l2cap pdu, increment # of completed packets */  in ble_ll_conn_rx_isr_end()
3990     /* If reply flag set, send data pdu and continue connection event */  in ble_ll_conn_rx_isr_end()
4000     /* Copy the received pdu and hand it up */  in ble_ll_conn_rx_isr_end()
4037     /* Set mbuf length and packet length if a control PDU */  in ble_ll_conn_enqueue_pkt()
4187  * @param rxbuf Pointer to received Connect Request PDU
4354     /* Get the maximum supported PHY PDU size from the PHY */  in ble_ll_conn_module_reset()