Deleted Added
full compact
ng_ip_input.c (84053) ng_ip_input.c (111888)
1/*
2 * ng_ip_input.c
3 *
4 * Copyright 2001 The Aerospace Corporation. 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
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer.
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 * 3. The name of The Aerospace Corporation may not be used to endorse or
16 * promote products derived from this software.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * Copyright (c) 1996-1999 Whistle Communications, Inc.
31 * All rights reserved.
32 *
33 * Subject to the following obligations and disclaimer of warranty, use and
34 * redistribution of this software, in source or object code forms, with or
35 * without modifications are expressly permitted by Whistle Communications;
36 * provided, however, that:
37 * 1. Any and all reproductions of the source or object code must include the
38 * copyright notice above and the following disclaimer of warranties; and
39 * 2. No rights are granted, in any manner or form, to use Whistle
40 * Communications, Inc. trademarks, including the mark "WHISTLE
41 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
42 * such appears in the above copyright notice or in the software.
43 *
44 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
45 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
46 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
47 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
48 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
49 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
50 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
51 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
52 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
53 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
54 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
55 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
56 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
59 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
60 * OF SUCH DAMAGE.
61 *
62 * Author: Brooks Davis <brooks@FreeBSD.org>
63 * Derived from: ng_hole.c
64 *
1/*
2 * ng_ip_input.c
3 *
4 * Copyright 2001 The Aerospace Corporation. 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
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer.
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 * 3. The name of The Aerospace Corporation may not be used to endorse or
16 * promote products derived from this software.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * Copyright (c) 1996-1999 Whistle Communications, Inc.
31 * All rights reserved.
32 *
33 * Subject to the following obligations and disclaimer of warranty, use and
34 * redistribution of this software, in source or object code forms, with or
35 * without modifications are expressly permitted by Whistle Communications;
36 * provided, however, that:
37 * 1. Any and all reproductions of the source or object code must include the
38 * copyright notice above and the following disclaimer of warranties; and
39 * 2. No rights are granted, in any manner or form, to use Whistle
40 * Communications, Inc. trademarks, including the mark "WHISTLE
41 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
42 * such appears in the above copyright notice or in the software.
43 *
44 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
45 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
46 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
47 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
48 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
49 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
50 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
51 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
52 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
53 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
54 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
55 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
56 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
59 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
60 * OF SUCH DAMAGE.
61 *
62 * Author: Brooks Davis <brooks@FreeBSD.org>
63 * Derived from: ng_hole.c
64 *
65 * $FreeBSD: head/sys/netgraph/ng_ip_input.c 84053 2001-09-27 21:54:27Z brooks $
65 * $FreeBSD: head/sys/netgraph/ng_ip_input.c 111888 2003-03-04 23:19:55Z jlemon $
66 */
67
68/*
69 * This node simply takes IP packets and calls ip_input on them
70 */
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h>
75#include <sys/malloc.h>
76#include <sys/mbuf.h>
77#include <sys/socket.h>
78#include <net/if.h>
79#include <net/if_types.h>
80#include <net/if_var.h>
81#include <netinet/in.h>
82#include <netinet/in_var.h>
83#include <net/netisr.h>
84#include <netgraph/ng_message.h>
85#include <netgraph/netgraph.h>
86#include <netgraph/ng_ip_input.h>
87
88/* Netgraph methods */
89static ng_constructor_t ngipi_cons;
90static ng_rcvdata_t ngipi_rcvdata;
91static ng_disconnect_t ngipi_disconnect;
92
93static struct ng_type typestruct = {
94 NG_ABI_VERSION,
95 NG_IP_INPUT_NODE_TYPE,
96 NULL, /* modeventhand_t */
97 ngipi_cons, /* ng_constructor_t */
98 NULL, /* ng_rcvmsg_t */
99 NULL, /* ng_shutdown_t */
100 NULL, /* ng_newhook_t */
101 NULL, /* ng_findhook_t */
102 NULL, /* ng_connect_t */
103 ngipi_rcvdata, /* ng_rcvdata_t */
104 ngipi_disconnect, /* ng_disconnect_t */
105 NULL /* ng_cmdlist */
106};
107NETGRAPH_INIT(ip_input, &typestruct);
108
109/*
110 * Be obliging. but no work to do.
111 */
112static int
113ngipi_cons(node_p node)
114{
115 return(0);
116}
117
118/*
119 * Receive data
120 */
121static int
122ngipi_rcvdata(hook_p hook, item_p item)
123{
124 struct mbuf *m;
125
126 NGI_GET_M(item, m);
127 NG_FREE_ITEM(item);
66 */
67
68/*
69 * This node simply takes IP packets and calls ip_input on them
70 */
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h>
75#include <sys/malloc.h>
76#include <sys/mbuf.h>
77#include <sys/socket.h>
78#include <net/if.h>
79#include <net/if_types.h>
80#include <net/if_var.h>
81#include <netinet/in.h>
82#include <netinet/in_var.h>
83#include <net/netisr.h>
84#include <netgraph/ng_message.h>
85#include <netgraph/netgraph.h>
86#include <netgraph/ng_ip_input.h>
87
88/* Netgraph methods */
89static ng_constructor_t ngipi_cons;
90static ng_rcvdata_t ngipi_rcvdata;
91static ng_disconnect_t ngipi_disconnect;
92
93static struct ng_type typestruct = {
94 NG_ABI_VERSION,
95 NG_IP_INPUT_NODE_TYPE,
96 NULL, /* modeventhand_t */
97 ngipi_cons, /* ng_constructor_t */
98 NULL, /* ng_rcvmsg_t */
99 NULL, /* ng_shutdown_t */
100 NULL, /* ng_newhook_t */
101 NULL, /* ng_findhook_t */
102 NULL, /* ng_connect_t */
103 ngipi_rcvdata, /* ng_rcvdata_t */
104 ngipi_disconnect, /* ng_disconnect_t */
105 NULL /* ng_cmdlist */
106};
107NETGRAPH_INIT(ip_input, &typestruct);
108
109/*
110 * Be obliging. but no work to do.
111 */
112static int
113ngipi_cons(node_p node)
114{
115 return(0);
116}
117
118/*
119 * Receive data
120 */
121static int
122ngipi_rcvdata(hook_p hook, item_p item)
123{
124 struct mbuf *m;
125
126 NGI_GET_M(item, m);
127 NG_FREE_ITEM(item);
128 schednetisr(NETISR_IP);
129 (void) IF_HANDOFF(&ipintrq, m, NULL);
128 netisr_dispatch(NETISR_IP, m);
130 return 0;
131}
132
133/*
134 * Hook disconnection
135 */
136static int
137ngipi_disconnect(hook_p hook)
138{
139 if (NG_NODE_NUMHOOKS(NG_HOOK_NODE(hook)) == 0)
140 ng_rmnode_self(NG_HOOK_NODE(hook));
141 return (0);
142}
129 return 0;
130}
131
132/*
133 * Hook disconnection
134 */
135static int
136ngipi_disconnect(hook_p hook)
137{
138 if (NG_NODE_NUMHOOKS(NG_HOOK_NODE(hook)) == 0)
139 ng_rmnode_self(NG_HOOK_NODE(hook));
140 return (0);
141}