freebsd-dev/sys/opencrypto/ktls.h
Warner Losh 4d846d260e spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with:		pfg
MFC After:		3 days
Sponsored by:		Netflix
2023-05-12 10:44:03 -06:00

63 lines
2.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Netflix Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __OPENCRYPTO_KTLS_H__
#define __OPENCRYPTO_KTLS_H__
#define MAX_TLS_PAGES (1 + btoc(TLS_MAX_MSG_SIZE_V10_2))
struct ktls_ocf_encrypt_state {
struct socket *so;
struct mbuf *m;
void *cbuf;
struct iovec dst_iov[MAX_TLS_PAGES + 2];
vm_paddr_t parray[MAX_TLS_PAGES + 1];
struct cryptop crp;
struct uio uio;
union {
struct tls_mac_data mac;
struct tls_aead_data aead;
struct tls_aead_data_13 aead13;
};
};
void ktls_encrypt_cb(struct ktls_ocf_encrypt_state *state, int error);
void ktls_ocf_free(struct ktls_session *tls);
int ktls_ocf_try(struct socket *so, struct ktls_session *tls, int direction);
int ktls_ocf_encrypt(struct ktls_ocf_encrypt_state *state,
struct ktls_session *tls, struct mbuf *m, struct iovec *outiov,
int outiovcnt);
int ktls_ocf_decrypt(struct ktls_session *tls,
const struct tls_record_layer *hdr, struct mbuf *m, uint64_t seqno,
int *trailer_len);
int ktls_ocf_recrypt(struct ktls_session *tls,
const struct tls_record_layer *hdr, struct mbuf *m, uint64_t seqno);
bool ktls_ocf_recrypt_supported(struct ktls_session *tls);
#endif /* !__OPENCRYPTO_KTLS_H__ */