xref: /freebsd/sys/dev/ixgbe/ixgbe_bypass.h (revision e32fecd0c2c3ee37c47ee100f169e7eb0282a873)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2020, Intel Corporation
4   All rights reserved.
5 
6   Redistribution and use in source and binary forms, with or without
7   modification, are permitted provided that the following conditions are met:
8 
9    1. Redistributions of source code must retain the above copyright notice,
10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in the
14       documentation and/or other materials provided with the distribution.
15 
16    3. Neither the name of the Intel Corporation nor the names of its
17       contributors may be used to endorse or promote products derived from
18       this software without specific prior written permission.
19 
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   POSSIBILITY OF SUCH DAMAGE.
31 
32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 #ifndef _IXGBE_BYPASS_H_
36 #define _IXGBE_BYPASS_H_
37 
38 
39 /*
40  * The bypass driver needs to set FW to a epoc of the number of
41  * seconds we are into this year.  This macro's help support that.
42  */
43 #define SEC_PER_DAY     (60 * 60 * 24)
44 #define SEC_PER_YEAR    (SEC_PER_DAY * 365)
45 #define SEC_PER_LYEAR   (SEC_PER_DAY * 366)
46 #define LEAP_YR(y)      ((y % 400 == 0) || ((y % 4 == 0) && (y % 100 != 0)))
47 #define SEC_THIS_YEAR(y)        (LEAP_YR(y) ? SEC_PER_LYEAR : SEC_PER_YEAR)
48 
49 void ixgbe_bypass_init(struct ixgbe_softc *);
50 
51 #endif /* _IXGBE_BYPASS_H_ */
52