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-rw-r--r--include/net/bluetooth/hci.h9
-rw-r--r--include/net/bluetooth/hci_core.h1
2 files changed, 10 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 2cfd8d8626..f9db2d1ca5 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1665,6 +1665,15 @@ struct hci_cp_le_set_event_mask {
__u8 mask[8];
} __packed;
+/* BLUETOOTH CORE SPECIFICATION Version 5.4 | Vol 4, Part E
+ * 7.8.2 LE Read Buffer Size command
+ * MAX_LE_MTU is 0xffff.
+ * 0 is also valid. It means that no dedicated LE Buffer exists.
+ * It should use the HCI_Read_Buffer_Size command and mtu is shared
+ * between BR/EDR and LE.
+ */
+#define HCI_MIN_LE_MTU 0x001b
+
#define HCI_OP_LE_READ_BUFFER_SIZE 0x2002
struct hci_rp_le_read_buffer_size {
__u8 status;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index fe9e1524d3..8504e10f51 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -706,6 +706,7 @@ struct hci_conn {
__u16 handle;
__u16 sync_handle;
__u16 state;
+ __u16 mtu;
__u8 mode;
__u8 type;
__u8 role;