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net/tls: move TOE-related structures to a separate header

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Move tls_device structure and register/unregister functions
to a new header to avoid confusion with normal, non-TOE offload.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2019-10-03 11:18:54 -07:00 committed by David S. Miller
parent 033b2c7f0f
commit 25a3cd8189
4 changed files with 75 additions and 34 deletions
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1
drivers/crypto/chelsio/chtls/chtls.h
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@ -21,6 +21,7 @@
#include <crypto/internal/hash.h>
#include <linux/tls.h>
#include <net/tls.h>
#include <net/tls_toe.h>
#include "t4fw_api.h"
#include "t4_msg.h"

34
include/net/tls.h
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@ -60,7 +60,6 @@
#define TLS_RECORD_TYPE_DATA 0x17
#define TLS_AAD_SPACE_SIZE 13
#define TLS_DEVICE_NAME_MAX 32
#define MAX_IV_SIZE 16
#define TLS_MAX_REC_SEQ_SIZE 8
@ -74,37 +73,6 @@
*/
#define TLS_AES_CCM_IV_B0_BYTE 2
/*
* This structure defines the routines for Inline TLS driver.
* The following routines are optional and filled with a
* null pointer if not defined.
*
* @name: Its the name of registered Inline tls device
* @dev_list: Inline tls device list
* int (*feature)(struct tls_device *device);
* Called to return Inline TLS driver capability
*
* int (*hash)(struct tls_device *device, struct sock *sk);
* This function sets Inline driver for listen and program
* device specific functioanlity as required
*
* void (*unhash)(struct tls_device *device, struct sock *sk);
* This function cleans listen state set by Inline TLS driver
*
* void (*release)(struct kref *kref);
* Release the registered device and allocated resources
* @kref: Number of reference to tls_device
*/
struct tls_device {
char name[TLS_DEVICE_NAME_MAX];
struct list_head dev_list;
int (*feature)(struct tls_device *device);
int (*hash)(struct tls_device *device, struct sock *sk);
void (*unhash)(struct tls_device *device, struct sock *sk);
void (*release)(struct kref *kref);
struct kref kref;
};
enum {
TLS_BASE,
TLS_SW,
@ -643,8 +611,6 @@ static inline bool tls_offload_tx_resync_pending(struct sock *sk)
int tls_proccess_cmsg(struct sock *sk, struct msghdr *msg,
unsigned char *record_type);
void tls_register_device(struct tls_device *device);
void tls_unregister_device(struct tls_device *device);
int decrypt_skb(struct sock *sk, struct sk_buff *skb,
struct scatterlist *sgout);
struct sk_buff *tls_encrypt_skb(struct sk_buff *skb);

73
include/net/tls_toe.h Normal file
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@ -0,0 +1,73 @@
/*
* Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
* Copyright (c) 2016-2017, Dave Watson <davejwatson@fb.com>. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/kref.h>
#include <linux/list.h>
struct sock;
#define TLS_DEVICE_NAME_MAX 32
/*
* This structure defines the routines for Inline TLS driver.
* The following routines are optional and filled with a
* null pointer if not defined.
*
* @name: Its the name of registered Inline tls device
* @dev_list: Inline tls device list
* int (*feature)(struct tls_device *device);
* Called to return Inline TLS driver capability
*
* int (*hash)(struct tls_device *device, struct sock *sk);
* This function sets Inline driver for listen and program
* device specific functioanlity as required
*
* void (*unhash)(struct tls_device *device, struct sock *sk);
* This function cleans listen state set by Inline TLS driver
*
* void (*release)(struct kref *kref);
* Release the registered device and allocated resources
* @kref: Number of reference to tls_device
*/
struct tls_device {
char name[TLS_DEVICE_NAME_MAX];
struct list_head dev_list;
int (*feature)(struct tls_device *device);
int (*hash)(struct tls_device *device, struct sock *sk);
void (*unhash)(struct tls_device *device, struct sock *sk);
void (*release)(struct kref *kref);
struct kref kref;
};
void tls_register_device(struct tls_device *device);
void tls_unregister_device(struct tls_device *device);

1
net/tls/tls_main.c
View File

@ -42,6 +42,7 @@
#include <linux/inet_diag.h>
#include <net/tls.h>
#include <net/tls_toe.h>
MODULE_AUTHOR("Mellanox Technologies");
MODULE_DESCRIPTION("Transport Layer Security Support");