1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* $OpenBSD: if_aoe.c,v 1.3 2011/07/04 03:18:01 tedu Exp $ */
/*
* Copyright (c) 2008 Ted Unangst <tedu@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/workq.h>
#include <sys/socket.h>
#include <sys/mbuf.h>
#include <net/if.h>
#include <net/if_aoe.h>
#ifdef AOE_DEBUG
#define DPRINTF(x) printf x
#else
#define DPRINTF(x) /* nothing */
#endif
struct aoe_handler_head aoe_handlers = TAILQ_HEAD_INITIALIZER(aoe_handlers);
void
aoe_input(struct ifnet *ifp, struct mbuf *m)
{
struct aoe_packet *ap;
struct aoe_handler *q = NULL;
splassert(IPL_NET);
ap = mtod(m, struct aoe_packet *);
DPRINTF(("aoe packet %d %d\n", htons(ap->major), ap->minor));
TAILQ_FOREACH(q, &aoe_handlers, next) {
if (q->ifp == ifp) {
if (ap->major == q->major && ap->minor == q->minor)
break;
}
}
if (!q) {
DPRINTF(("no q\n"));
m_freem(m);
return;
}
if (workq_add_task(NULL, 0, q->fn, q, m) != 0)
m_freem(m);
}
|
