| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (C) 2018 Samsung Electronics Co., Ltd. |
| */ |
| |
| #ifndef __KSMBD_IDA_MANAGEMENT_H__ |
| #define __KSMBD_IDA_MANAGEMENT_H__ |
| |
| #include <linux/slab.h> |
| #include <linux/idr.h> |
| |
| /* |
| * 2.2.1.6.7 TID Generation |
| * The value 0xFFFF MUST NOT be used as a valid TID. All other |
| * possible values for TID, including zero (0x0000), are valid. |
| * The value 0xFFFF is used to specify all TIDs or no TID, |
| * depending upon the context in which it is used. |
| */ |
| int ksmbd_acquire_smb2_tid(struct ida *ida); |
| |
| /* |
| * 2.2.1.6.8 UID Generation |
| * The value 0xFFFE was declared reserved in the LAN Manager 1.0 |
| * documentation, so a value of 0xFFFE SHOULD NOT be used as a |
| * valid UID.<21> All other possible values for a UID, excluding |
| * zero (0x0000), are valid. |
| */ |
| int ksmbd_acquire_smb2_uid(struct ida *ida); |
| int ksmbd_acquire_async_msg_id(struct ida *ida); |
| |
| int ksmbd_acquire_id(struct ida *ida); |
| |
| void ksmbd_release_id(struct ida *ida, int id); |
| #endif /* __KSMBD_IDA_MANAGEMENT_H__ */ |