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Bluetooth: Controller: Fix max LL PDU size calculation #93216

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Bluetooth: Controller: Fix max LL PDU size calculation #93216

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17 changes: 17 additions & 0 deletions subsys/bluetooth/controller/ll_sw/pdu.h
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,23 @@
#endif /* !CONFIG_BT_PERIPHERAL */
#endif /* !CONFIG_BT_CTLR_LE_ENC */

/* TODO this could be incorporated in logic above but since PAST receiver and
* sender are separate options this would get a bit complicated
*
* Adjust for LL_PERIODIC_SYNC_IND if ISO support is not enabled.
*/
#if !defined(CONFIG_BT_CTLR_CONN_ISO)
#if defined(CONFIG_BT_PER_ADV_SYNC_TRANSFER_RECEIVER)
#undef PDU_DC_CTRL_RX_SIZE_MAX
#define PDU_DC_CTRL_RX_SIZE_MAX PDU_DATA_LLCTRL_LEN(periodic_sync_ind)
#endif

#if defined(CONFIG_BT_PER_ADV_SYNC_TRANSFER_SENDER)
#undef PDU_DC_CTRL_TX_SIZE_MAX
#define PDU_DC_CTRL_TX_SIZE_MAX PDU_DATA_LLCTRL_LEN(periodic_sync_ind)
#endif
#endif

#else /* !CONFIG_BT_CONN */
#define PDU_DC_CTRL_TX_SIZE_MAX 0U
#define PDU_DC_CTRL_RX_SIZE_MAX 0U
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