5 /*-
6  * Copyright (c) 1996-1999 Whistle Communications, Inc.
24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
107 	.name =		NG_XXX_NODE_TYPE,
122 	int	dlci;		/* The DLCI it represents, -1 == downstream */
157 		privdata->channel[i].dlci = -2;  in ng_xxx_constructor()
158 		privdata->channel[i].channel = i;  in ng_xxx_constructor()
163 	privdata->node = node;  in ng_xxx_constructor()
170  * Possibly decode information out of the hook name.
180 ng_xxx_newhook(node_p node, hook_p hook, const char *name)  in ng_xxx_newhook()  argument
185 	int chan;  in ng_xxx_newhook()  local
189 	if ((xxxp->flags & SCF_RUNNING) == 0) {  in ng_xxx_newhook()
198 	if (strncmp(name,  in ng_xxx_newhook()
202 		cp = name + strlen(NG_XXX_HOOK_DLCI_LEADIN);  in ng_xxx_newhook()
210 		for (chan = 0; chan < XXX_NUM_DLCIS; chan++)  in ng_xxx_newhook()
211 			if (xxxp->channel[chan].dlci == dlci)  in ng_xxx_newhook()
213 		if (chan == XXX_NUM_DLCIS) {  in ng_xxx_newhook()
214 			for (chan = 0; chan < XXX_NUM_DLCIS; chan++)  in ng_xxx_newhook()
215 				if (xxxp->channel[chan].dlci == -2)  in ng_xxx_newhook()
217 			if (chan == XXX_NUM_DLCIS)  in ng_xxx_newhook()
219 			xxxp->channel[chan].dlci = dlci;  in ng_xxx_newhook()
221 		if (xxxp->channel[chan].hook != NULL)  in ng_xxx_newhook()
223 		NG_HOOK_SET_PRIVATE(hook, xxxp->channel + chan);  in ng_xxx_newhook()
224 		xxxp->channel[chan].hook = hook;  in ng_xxx_newhook()
226 	} else if (strcmp(name, NG_XXX_HOOK_DOWNSTREAM) == 0) {  in ng_xxx_newhook()
229 		xxxp->downstream_hook.hook = hook;  in ng_xxx_newhook()
230 		NG_HOOK_SET_PRIVATE(hook, &xxxp->downstream_hook);  in ng_xxx_newhook()
231 	} else if (strcmp(name, NG_XXX_HOOK_DEBUG) == 0) {  in ng_xxx_newhook()
233 		xxxp->debughook = hook;  in ng_xxx_newhook()
266 	switch (msg->header.typecookie) {  in ng_xxx_rcvmsg()
268 		switch (msg->header.cmd) {  in ng_xxx_rcvmsg()
278 			stats = (struct ngxxxstat *) resp->data;  in ng_xxx_rcvmsg()
279 			stats->packets_in = xxxp->packets_in;  in ng_xxx_rcvmsg()
280 			stats->packets_out = xxxp->packets_out;  in ng_xxx_rcvmsg()
284 			if (msg->header.arglen != sizeof(u_int32_t)) {  in ng_xxx_rcvmsg()
288 			xxxp->flags = *((u_int32_t *) msg->data);  in ng_xxx_rcvmsg()
326 	int chan = -2;  in ng_xxx_rcvdata()  local
327 	int dlci = -2;  in ng_xxx_rcvdata()
333 		dlci = ((struct XXX_hookinfo *) NG_HOOK_PRIVATE(hook))->dlci;  in ng_xxx_rcvdata()
334 		chan = ((struct XXX_hookinfo *) NG_HOOK_PRIVATE(hook))->channel;  in ng_xxx_rcvdata()
335 		if (dlci != -1) {  in ng_xxx_rcvdata()
341 			/* mtod(m, xxxxxx)->dlci = dlci; */  in ng_xxx_rcvdata()
343 				xxxp->downstream_hook.hook, m);  in ng_xxx_rcvdata()
344 			xxxp->packets_out++;  in ng_xxx_rcvdata()
349 			for (chan = 0; chan < XXX_NUM_DLCIS; chan++)  in ng_xxx_rcvdata()
350 				if (xxxp->channel[chan].dlci == dlci)  in ng_xxx_rcvdata()
352 			if (chan == XXX_NUM_DLCIS) {  in ng_xxx_rcvdata()
360 				xxxp->channel[chan].hook, m);  in ng_xxx_rcvdata()
361 			xxxp->packets_in++;  in ng_xxx_rcvdata()
365 		if (hook == xxxp->downstream_hook.hook) {  in ng_xxx_rcvdata()
386 	NG_SEND_DATA_ONLY(error, xxxp->upstream_hook.hook, m);
395  * All our links and the name have already been removed.
415 	if (node->nd_flags & NGF_REALLY_DIE) {  in ng_xxx_shutdown()
422 		NG_NODE_UNREF(privdata->node);  in ng_xxx_shutdown()
461 		dlci = ((struct XXX_hookinfo *) NG_HOOK_PRIVATE(hook))->dlci;
479 		((struct XXX_hookinfo *) (NG_HOOK_PRIVATE(hook)))->hook = NULL;