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sdiff udiff text old ( 68876 ) new ( 69922 )
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ng_UI.c (68876) ng_UI.c (69922)
1
2/*
3 * ng_UI.c
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and

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31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Julian Elischer <julian@freebsd.org>
38 *
1
2/*
3 * ng_UI.c
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and

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31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Julian Elischer <julian@freebsd.org>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_UI.c 68876 2000-11-18 15:17:43Z dwmalone $
39 * $FreeBSD: head/sys/netgraph/ng_UI.c 69922 2000-12-12 18:52:14Z julian $
40 * $Whistle: ng_UI.c,v 1.14 1999/11/01 09:24:51 julian Exp $
41 */
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/errno.h>
46#include <sys/kernel.h>
47#include <sys/malloc.h>

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82 NULL,
83 ng_UI_constructor,
84 ng_UI_rcvmsg,
85 ng_UI_rmnode,
86 ng_UI_newhook,
87 NULL,
88 NULL,
89 ng_UI_rcvdata,
40 * $Whistle: ng_UI.c,v 1.14 1999/11/01 09:24:51 julian Exp $
41 */
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/errno.h>
46#include <sys/kernel.h>
47#include <sys/malloc.h>

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82 NULL,
83 ng_UI_constructor,
84 ng_UI_rcvmsg,
85 ng_UI_rmnode,
86 ng_UI_newhook,
87 NULL,
88 NULL,
89 ng_UI_rcvdata,
90 ng_UI_rcvdata,
91 ng_UI_disconnect,
92 NULL
93};
94NETGRAPH_INIT(UI, &typestruct);
95
96/************************************************************************
97 NETGRAPH NODE STUFF
98 ************************************************************************/

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146
147/*
148 * Receive a control message
149 */
150static int
151ng_UI_rcvmsg(node_p node, struct ng_mesg *msg,
152 const char *raddr, struct ng_mesg **rp, hook_p lasthook)
153{
90 ng_UI_disconnect,
91 NULL
92};
93NETGRAPH_INIT(UI, &typestruct);
94
95/************************************************************************
96 NETGRAPH NODE STUFF
97 ************************************************************************/

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145
146/*
147 * Receive a control message
148 */
149static int
150ng_UI_rcvmsg(node_p node, struct ng_mesg *msg,
151 const char *raddr, struct ng_mesg **rp, hook_p lasthook)
152{
153 const priv_p priv = node->private;
154
155 if ((msg->header.typecookie == NGM_FLOW_COOKIE) && lasthook) {
156 if (lasthook == priv->downlink) {
157 if (priv->uplink) {
158 return (ng_send_msg(node, msg, NULL,
159 priv->uplink, raddr, rp));
160 }
161 } else {
162 if (priv->downlink) {
163 return (ng_send_msg(node, msg, NULL,
164 priv->downlink, raddr, rp));
165 }
166 }
167 }
168
154 FREE(msg, M_NETGRAPH);
155 return (EINVAL);
156}
157
158#define MAX_ENCAPS_HDR 1
159#define ERROUT(x) do { error = (x); goto done; } while (0)
160
161/*
162 * Receive a data frame
163 */
164static int
165ng_UI_rcvdata(hook_p hook, struct mbuf *m, meta_p meta,
169 FREE(msg, M_NETGRAPH);
170 return (EINVAL);
171}
172
173#define MAX_ENCAPS_HDR 1
174#define ERROUT(x) do { error = (x); goto done; } while (0)
175
176/*
177 * Receive a data frame
178 */
179static int
180ng_UI_rcvdata(hook_p hook, struct mbuf *m, meta_p meta,
166 struct mbuf **ret_m, meta_p *ret_meta)
181 struct mbuf **ret_m, meta_p *ret_meta, struct ng_mesg **resp)
167{
168 const node_p node = hook->node;
169 const priv_p priv = node->private;
170 int error = 0;
171
172 if (hook == priv->downlink) {
173 u_char *start, *ptr;
174

--- 63 unchanged lines hidden --- 		182{
183 const node_p node = hook->node;
184 const priv_p priv = node->private;
185 int error = 0;
186
187 if (hook == priv->downlink) {
188 u_char *start, *ptr;
189

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