[ipoib] Simplify test for received broadcast packets
[ipxe.git] / src / interface / linux / linux_nap.c
1 /*
2 * Copyright (C) 2010 Piotr JaroszyƄski <p.jaroszynski@gmail.com>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 */
19
20 FILE_LICENCE(GPL2_OR_LATER);
21
22 #include <ipxe/nap.h>
23
24 #include <linux_api.h>
25
26 /** @file
27 *
28 * iPXE CPU sleeping API for linux
29 *
30 */
31
32 /**
33 * Sleep until next CPU interrupt
34 *
35 */
36 static void linux_cpu_nap(void)
37 {
38 linux_usleep(0);
39 }
40
41 PROVIDE_NAP(linux, cpu_nap, linux_cpu_nap);