48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
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/*-
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* Copyright (c) 2015 Patrick Kelsey
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _TCP_FASTOPEN_H_
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#define _TCP_FASTOPEN_H_
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#ifdef _KERNEL
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#define TCP_FASTOPEN_COOKIE_LEN 8 /* tied to SipHash24 64-bit output */
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VNET_DECLARE(unsigned int, tcp_fastopen_enabled);
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#define V_tcp_fastopen_enabled VNET(tcp_fastopen_enabled)
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void tcp_fastopen_init(void);
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void tcp_fastopen_destroy(void);
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unsigned int *tcp_fastopen_alloc_counter(void);
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void tcp_fastopen_decrement_counter(unsigned int *counter);
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int tcp_fastopen_check_cookie(struct in_conninfo *inc, uint8_t *cookie,
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unsigned int len, uint64_t *latest_cookie);
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#endif /* _KERNEL */
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#endif /* _TCP_FASTOPEN_H_ */
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