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25a3cd81 JK |
1 | /* |
2 | * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved. | |
3 | * Copyright (c) 2016-2017, Dave Watson <davejwatson@fb.com>. All rights reserved. | |
4 | * | |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | #include <linux/kref.h> | |
35 | #include <linux/list.h> | |
36 | ||
37 | struct sock; | |
38 | ||
f21912ed | 39 | #define TLS_TOE_DEVICE_NAME_MAX 32 |
25a3cd81 JK |
40 | |
41 | /* | |
42 | * This structure defines the routines for Inline TLS driver. | |
43 | * The following routines are optional and filled with a | |
44 | * null pointer if not defined. | |
45 | * | |
46 | * @name: Its the name of registered Inline tls device | |
47 | * @dev_list: Inline tls device list | |
f21912ed | 48 | * int (*feature)(struct tls_toe_device *device); |
25a3cd81 JK |
49 | * Called to return Inline TLS driver capability |
50 | * | |
f21912ed | 51 | * int (*hash)(struct tls_toe_device *device, struct sock *sk); |
25a3cd81 JK |
52 | * This function sets Inline driver for listen and program |
53 | * device specific functioanlity as required | |
54 | * | |
f21912ed | 55 | * void (*unhash)(struct tls_toe_device *device, struct sock *sk); |
25a3cd81 JK |
56 | * This function cleans listen state set by Inline TLS driver |
57 | * | |
58 | * void (*release)(struct kref *kref); | |
59 | * Release the registered device and allocated resources | |
f21912ed | 60 | * @kref: Number of reference to tls_toe_device |
25a3cd81 | 61 | */ |
f21912ed JK |
62 | struct tls_toe_device { |
63 | char name[TLS_TOE_DEVICE_NAME_MAX]; | |
25a3cd81 | 64 | struct list_head dev_list; |
f21912ed JK |
65 | int (*feature)(struct tls_toe_device *device); |
66 | int (*hash)(struct tls_toe_device *device, struct sock *sk); | |
67 | void (*unhash)(struct tls_toe_device *device, struct sock *sk); | |
25a3cd81 JK |
68 | void (*release)(struct kref *kref); |
69 | struct kref kref; | |
70 | }; | |
71 | ||
0eb8745e JK |
72 | int tls_toe_bypass(struct sock *sk); |
73 | int tls_toe_hash(struct sock *sk); | |
74 | void tls_toe_unhash(struct sock *sk); | |
08700dab | 75 | |
f21912ed JK |
76 | void tls_toe_register_device(struct tls_toe_device *device); |
77 | void tls_toe_unregister_device(struct tls_toe_device *device); |