diff options
Diffstat (limited to 'sys/netinet/tcp_fastopen.h')
-rw-r--r-- | sys/netinet/tcp_fastopen.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/netinet/tcp_fastopen.h b/sys/netinet/tcp_fastopen.h new file mode 100644 index 0000000..c64ba2c --- /dev/null +++ b/sys/netinet/tcp_fastopen.h @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 2015 Patrick Kelsey + * All rights reserved. + * + * 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _TCP_FASTOPEN_H_ +#define _TCP_FASTOPEN_H_ + +#ifdef _KERNEL + +#define TCP_FASTOPEN_COOKIE_LEN 8 /* tied to SipHash24 64-bit output */ + +VNET_DECLARE(unsigned int, tcp_fastopen_enabled); +#define V_tcp_fastopen_enabled VNET(tcp_fastopen_enabled) + +void tcp_fastopen_init(void); +void tcp_fastopen_destroy(void); +unsigned int *tcp_fastopen_alloc_counter(void); +void tcp_fastopen_decrement_counter(unsigned int *counter); +int tcp_fastopen_check_cookie(struct in_conninfo *inc, uint8_t *cookie, + unsigned int len, uint64_t *latest_cookie); +#endif /* _KERNEL */ + +#endif /* _TCP_FASTOPEN_H_ */ |