1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved. 3*4882a593Smuzhiyun * Copyright (c) 2016-2017, Dave Watson <davejwatson@fb.com>. All rights reserved. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * This software is available to you under a choice of one of two 6*4882a593Smuzhiyun * licenses. You may choose to be licensed under the terms of the GNU 7*4882a593Smuzhiyun * General Public License (GPL) Version 2, available from the file 8*4882a593Smuzhiyun * COPYING in the main directory of this source tree, or the 9*4882a593Smuzhiyun * OpenIB.org BSD license below: 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or 12*4882a593Smuzhiyun * without modification, are permitted provided that the following 13*4882a593Smuzhiyun * conditions are met: 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * - Redistributions of source code must retain the above 16*4882a593Smuzhiyun * copyright notice, this list of conditions and the following 17*4882a593Smuzhiyun * disclaimer. 18*4882a593Smuzhiyun * 19*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above 20*4882a593Smuzhiyun * copyright notice, this list of conditions and the following 21*4882a593Smuzhiyun * disclaimer in the documentation and/or other materials 22*4882a593Smuzhiyun * provided with the distribution. 23*4882a593Smuzhiyun * 24*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27*4882a593Smuzhiyun * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31*4882a593Smuzhiyun * SOFTWARE. 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #include <linux/kref.h> 35*4882a593Smuzhiyun #include <linux/list.h> 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun struct sock; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #define TLS_TOE_DEVICE_NAME_MAX 32 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* 42*4882a593Smuzhiyun * This structure defines the routines for Inline TLS driver. 43*4882a593Smuzhiyun * The following routines are optional and filled with a 44*4882a593Smuzhiyun * null pointer if not defined. 45*4882a593Smuzhiyun * 46*4882a593Smuzhiyun * @name: Its the name of registered Inline tls device 47*4882a593Smuzhiyun * @dev_list: Inline tls device list 48*4882a593Smuzhiyun * int (*feature)(struct tls_toe_device *device); 49*4882a593Smuzhiyun * Called to return Inline TLS driver capability 50*4882a593Smuzhiyun * 51*4882a593Smuzhiyun * int (*hash)(struct tls_toe_device *device, struct sock *sk); 52*4882a593Smuzhiyun * This function sets Inline driver for listen and program 53*4882a593Smuzhiyun * device specific functioanlity as required 54*4882a593Smuzhiyun * 55*4882a593Smuzhiyun * void (*unhash)(struct tls_toe_device *device, struct sock *sk); 56*4882a593Smuzhiyun * This function cleans listen state set by Inline TLS driver 57*4882a593Smuzhiyun * 58*4882a593Smuzhiyun * void (*release)(struct kref *kref); 59*4882a593Smuzhiyun * Release the registered device and allocated resources 60*4882a593Smuzhiyun * @kref: Number of reference to tls_toe_device 61*4882a593Smuzhiyun */ 62*4882a593Smuzhiyun struct tls_toe_device { 63*4882a593Smuzhiyun char name[TLS_TOE_DEVICE_NAME_MAX]; 64*4882a593Smuzhiyun struct list_head dev_list; 65*4882a593Smuzhiyun int (*feature)(struct tls_toe_device *device); 66*4882a593Smuzhiyun int (*hash)(struct tls_toe_device *device, struct sock *sk); 67*4882a593Smuzhiyun void (*unhash)(struct tls_toe_device *device, struct sock *sk); 68*4882a593Smuzhiyun void (*release)(struct kref *kref); 69*4882a593Smuzhiyun struct kref kref; 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun int tls_toe_bypass(struct sock *sk); 73*4882a593Smuzhiyun int tls_toe_hash(struct sock *sk); 74*4882a593Smuzhiyun void tls_toe_unhash(struct sock *sk); 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun void tls_toe_register_device(struct tls_toe_device *device); 77*4882a593Smuzhiyun void tls_toe_unregister_device(struct tls_toe_device *device); 78