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From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To:     linux-bluetooth@vger.kernel.org
Subject: [PATCH BlueZ 5/5] monitor: Add support for decoding RSI
Date:   Thu, 22 Dec 2022 14:43:29 -0800
Message-Id: <20221222224329.685837-5-luiz.dentz@gmail.com>
In-Reply-To: <20221222224329.685837-1-luiz.dentz@gmail.com>
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From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

This adds support for decoding Resolvable Set Identifier[1] advertising
type (0x2e) according to CIS[2] spec:

        Resolvable Set Identifier: 46-BB-DB-26-D8-55
          Hash: 0x26d855
          Random: 0x46bbdb

[1] https://www.bluetooth.com/specifications/assigned-numbers/
[2] https://www.bluetooth.com/specifications/csis-1-0-1/
---
 monitor/packet.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/monitor/packet.c b/monitor/packet.c
index 134cf398a66f..44f1941bd30c 100644
--- a/monitor/packet.c
+++ b/monitor/packet.c
@@ -3123,6 +3123,7 @@ static void print_fec(uint8_t fec)
 #define BT_EIR_MESH_PROV		0x29
 #define BT_EIR_MESH_DATA		0x2a
 #define BT_EIR_MESH_BEACON		0x2b
+#define BT_EIR_CSIP_RSI			0x2e
 #define BT_EIR_3D_INFO_DATA		0x3d
 #define BT_EIR_MANUFACTURER_DATA	0xff
 
@@ -4017,6 +4018,14 @@ static void print_eir(const uint8_t *eir, uint8_t eir_len, bool le)
 			print_mesh_beacon(data, data_len);
 			break;
 
+		case BT_EIR_CSIP_RSI:
+			if (data_len < 6)
+				break;
+			print_addr("Resolvable Set Identifier", data, 0xff);
+			print_field("  Hash: 0x%6x", get_le24(data));
+			print_field("  Random: 0x%6x", get_le24(data + 3));
+			break;
+
 		case BT_EIR_MANUFACTURER_DATA:
 			if (data_len < 2)
 				break;
-- 
2.37.3