[PATCH BlueZ v3 2/5] monitor/att: Add GMAS attribute decoders

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From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

This adds GMAS attribute decoders.
---
 monitor/att.c | 135 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)

diff --git a/monitor/att.c b/monitor/att.c
index 39ea5d6dac5a..9db273223352 100644
--- a/monitor/att.c
+++ b/monitor/att.c
@@ -3195,6 +3195,140 @@ static void bcast_audio_scan_cp_write(const struct l2cap_frame *frame)
 	print_bcast_audio_scan_cp_cmd(frame);
 }
 
+static const struct bitfield_data gmap_role_table[] = {
+	{  0, "Unicast Game Gateway (UGG) (0x0001)"	},
+	{  1, "Unicast Game Terminal (UGT) (0x0002)"	},
+	{  2, "Broadcast Game Sender (BGS) (0x0004)"	},
+	{  3, "Broadcast Game Receiver (BGR) (0x0008)"	},
+	{ }
+};
+
+static void gmap_role_read(const struct l2cap_frame *frame)
+{
+	uint8_t role;
+	uint8_t mask;
+
+	if (!l2cap_frame_get_u8((void *)frame, &role)) {
+		print_text(COLOR_ERROR, "    invalid size");
+		return;
+	}
+
+	print_field("    Role: 0x%2.2x", role);
+
+	mask = print_bitfield(6, role, gmap_role_table);
+	if (mask)
+		print_text(COLOR_WHITE_BG, "    Unknown fields (0x%2.2x)",
+								mask);
+}
+
+static const struct bitfield_data ugg_features_table[] = {
+	{  0, "UGG Multiplex (0x0001)"	},
+	{  1, "UGG 96 kbps Source (0x0002)"	},
+	{  2, "UGG Multilink (0x0004)"	},
+	{ }
+};
+
+static void ugg_features_read(const struct l2cap_frame *frame)
+{
+	uint8_t value;
+	uint8_t mask;
+
+	if (!l2cap_frame_get_u8((void *)frame, &value)) {
+		print_text(COLOR_ERROR, "    invalid size");
+		return;
+	}
+
+	print_field("    Value: 0x%2.2x", value);
+
+	mask = print_bitfield(6, value, ugg_features_table);
+	if (mask)
+		print_text(COLOR_WHITE_BG, "    Unknown fields (0x%2.2x)",
+								mask);
+}
+
+static const struct bitfield_data ugt_features_table[] = {
+	{  0, "UGT Source (0x0001)"		},
+	{  1, "UGT 80 kbps Source (0x0002)"	},
+	{  2, "UGT Sink (0x0004)"		},
+	{  3, "UGT 64 kbps Sink (0x0008)"	},
+	{  4, "UGT Multiplex (0x0010)"		},
+	{  5, "UGT Multisink (0x0020)"		},
+	{  6, "UGT Multisource (0x0040)"	},
+	{ }
+};
+
+static void ugt_features_read(const struct l2cap_frame *frame)
+{
+	uint8_t value;
+	uint8_t mask;
+
+	if (!l2cap_frame_get_u8((void *)frame, &value)) {
+		print_text(COLOR_ERROR, "    invalid size");
+		return;
+	}
+
+	print_field("    Value: 0x%2.2x", value);
+
+	mask = print_bitfield(6, value, ugt_features_table);
+	if (mask)
+		print_text(COLOR_WHITE_BG, "    Unknown fields (0x%2.2x)",
+								mask);
+}
+
+static const struct bitfield_data bgs_features_table[] = {
+	{  0, "BGS 96 kbps (0x0001)"		},
+	{ }
+};
+
+static void bgs_features_read(const struct l2cap_frame *frame)
+{
+	uint8_t value;
+	uint8_t mask;
+
+	if (!l2cap_frame_get_u8((void *)frame, &value)) {
+		print_text(COLOR_ERROR, "    invalid size");
+		return;
+	}
+
+	print_field("    Value: 0x%2.2x", value);
+
+	mask = print_bitfield(6, value, bgs_features_table);
+	if (mask)
+		print_text(COLOR_WHITE_BG, "    Unknown fields (0x%2.2x)",
+								mask);
+}
+
+static const struct bitfield_data bgr_features_table[] = {
+	{  0, "BGR Multisink (0x0001)"		},
+	{  1, "BGR Multiplex (0x0002)"		},
+	{ }
+};
+
+static void bgr_features_read(const struct l2cap_frame *frame)
+{
+	uint8_t value;
+	uint8_t mask;
+
+	if (!l2cap_frame_get_u8((void *)frame, &value)) {
+		print_text(COLOR_ERROR, "    invalid size");
+		return;
+	}
+
+	print_field("    Value: 0x%2.2x", value);
+
+	mask = print_bitfield(6, value, bgr_features_table);
+	if (mask)
+		print_text(COLOR_WHITE_BG, "    Unknown fields (0x%2.2x)",
+								mask);
+}
+
+#define GMAS \
+	GATT_HANDLER(0x2c00, gmap_role_read, NULL, NULL), \
+	GATT_HANDLER(0x2c01, ugg_features_read, NULL, NULL), \
+	GATT_HANDLER(0x2c02, ugt_features_read, NULL, NULL), \
+	GATT_HANDLER(0x2c02, bgs_features_read, NULL, NULL), \
+	GATT_HANDLER(0x2c03, bgr_features_read, NULL, NULL)
+
 #define GATT_HANDLER(_uuid, _read, _write, _notify) \
 { \
 	.uuid = { \
@@ -3255,6 +3389,7 @@ struct gatt_handler {
 	GATT_HANDLER(0x2bc7, NULL, bcast_audio_scan_cp_write, NULL),
 	GATT_HANDLER(0x2bc8, bcast_recv_state_read, NULL,
 					bcast_recv_state_notify),
+	GMAS
 };
 
 static struct gatt_handler *get_handler_uuid(const bt_uuid_t *uuid)
-- 
2.42.0





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