xref: /freebsd/sys/dev/rtwn/rtl8192c/usb/r92cu_rx.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*	$OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $	*/
2 
3 /*-
4  * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
5  * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
6  * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org>
7  *
8  * Permission to use, copy, modify, and distribute this software for any
9  * purpose with or without fee is hereby granted, provided that the above
10  * copyright notice and this permission notice appear in all copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19  */
20 
21 #include <sys/cdefs.h>
22 #include "opt_wlan.h"
23 
24 #include <sys/param.h>
25 #include <sys/lock.h>
26 #include <sys/mutex.h>
27 #include <sys/mbuf.h>
28 #include <sys/kernel.h>
29 #include <sys/socket.h>
30 #include <sys/systm.h>
31 #include <sys/malloc.h>
32 #include <sys/queue.h>
33 #include <sys/taskqueue.h>
34 #include <sys/bus.h>
35 #include <sys/endian.h>
36 #include <sys/linker.h>
37 
38 #include <net/if.h>
39 #include <net/ethernet.h>
40 #include <net/if_media.h>
41 
42 #include <net80211/ieee80211_var.h>
43 #include <net80211/ieee80211_radiotap.h>
44 
45 #include <dev/rtwn/if_rtwnvar.h>
46 
47 #include <dev/rtwn/rtl8192c/usb/r92cu.h>
48 
49 int
50 r92cu_align_rx(int totlen, int len)
51 {
52 	return (roundup2(totlen, 128));
53 }
54