From 45bdff15097e45269ac03372f9e4a90274cc078d Mon Sep 17 00:00:00 2001
From: Wolfgang Puffitsch <wopu@demant.com>
Date: Mon, 25 Jan 2021 17:15:44 +0100
Subject: [PATCH] Bluetooth: controller: Add CIS-related LL control PDU types

Add definitions for LL_CIS_REQ, LL_CIS_RSP, and LL_CIS_IND PDUs.

Signed-off-by: Wolfgang Puffitsch <wopu@demant.com>
---
 subsys/bluetooth/controller/ll_sw/pdu.h | 71 +++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/subsys/bluetooth/controller/ll_sw/pdu.h b/subsys/bluetooth/controller/ll_sw/pdu.h
index 01013a185d8..6a7c8d9a9af 100644
--- a/subsys/bluetooth/controller/ll_sw/pdu.h
+++ b/subsys/bluetooth/controller/ll_sw/pdu.h
@@ -432,6 +432,10 @@ enum pdu_data_llctrl_type {
 	PDU_DATA_LLCTRL_TYPE_PHY_RSP = 0x17,
 	PDU_DATA_LLCTRL_TYPE_PHY_UPD_IND = 0x18,
 	PDU_DATA_LLCTRL_TYPE_MIN_USED_CHAN_IND = 0x19,
+	PDU_DATA_LLCTRL_TYPE_CIS_REQ = 0x1F,
+	PDU_DATA_LLCTRL_TYPE_CIS_RSP = 0x20,
+	PDU_DATA_LLCTRL_TYPE_CIS_IND = 0x21,
+	PDU_DATA_LLCTRL_TYPE_CIS_TERMINATE_IND = 0x22,
 };
 
 struct pdu_data_llctrl_conn_update_ind {
@@ -584,6 +588,69 @@ struct pdu_data_llctrl_min_used_chans_ind {
 	uint8_t min_used_chans;
 } __packed;
 
+struct pdu_data_llctrl_cis_req {
+	uint8_t cig_id;
+	uint8_t cis_id;
+	uint8_t c_phy;
+	uint8_t p_phy;
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	uint16_t c_max_sdu:12;
+	uint16_t rfu0:3;
+	uint16_t framed:1;
+	uint16_t p_max_sdu:12;
+	uint16_t rfu1:4;
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	uint16_t framed:1;
+	uint16_t rfu0:3;
+	uint16_t c_max_sdu:12;
+	uint16_t rfu1:4;
+	uint16_t p_max_sdu:12;
+#else
+#error "Unsupported endianness"
+#endif
+	uint8_t  c_sdu_interval[3];
+	uint8_t  p_sdu_interval[3];
+	uint16_t c_max_pdu;
+	uint16_t p_max_pdu;
+	uint8_t  nse;
+	uint8_t  sub_interval[3];
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	uint8_t  c_bn:4;
+	uint8_t  p_bn:4;
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	uint8_t  p_bn:4;
+	uint8_t  c_bn:4;
+#else
+#error "Unsupported endianness"
+#endif
+	uint8_t  c_ft;
+	uint8_t  p_ft;
+	uint16_t iso_interval;
+	uint8_t  cis_offset_min[3];
+	uint8_t  cis_offset_max[3];
+	uint16_t conn_event_count;
+} __packed;
+
+struct pdu_data_llctrl_cis_rsp {
+	uint8_t  cis_offset_min[3];
+	uint8_t  cis_offset_max[3];
+	uint16_t conn_event_count;
+} __packed;
+
+struct pdu_data_llctrl_cis_ind {
+	uint32_t aa;
+	uint8_t  cis_offset[3];
+	uint8_t  cig_sync_delay[3];
+	uint8_t  cis_sync_delay[3];
+	uint16_t conn_event_count;
+} __packed;
+
+struct pdu_data_llctrl_cis_terminate_ind {
+	uint8_t  cig_id;
+	uint8_t  cis_id;
+	uint8_t  error_code;
+} __packed;
+
 struct pdu_data_llctrl {
 	uint8_t opcode;
 	union {
@@ -613,6 +680,10 @@ struct pdu_data_llctrl {
 		struct pdu_data_llctrl_phy_rsp phy_rsp;
 		struct pdu_data_llctrl_phy_upd_ind phy_upd_ind;
 		struct pdu_data_llctrl_min_used_chans_ind min_used_chans_ind;
+		struct pdu_data_llctrl_cis_req cis_req;
+		struct pdu_data_llctrl_cis_rsp cis_rsp;
+		struct pdu_data_llctrl_cis_ind cis_ind;
+		struct pdu_data_llctrl_cis_terminate_ind cis_terminate_ind;
 	} __packed;
 } __packed;