sys/netgraph/ng_etf.c

128 /* Information we store for each hook on each node */
130 	hook_p  hook;
193  * Give our ok for a hook to be added...
197 ng_etf_newhook(node_p node, hook_p hook, const char *name)
203 		etfp->downstream_hook.hook = hook;
204 		NG_HOOK_SET_PRIVATE(hook, &etfp->downstream_hook);
208 		etfp->nomatch_hook.hook = hook;
209 		NG_HOOK_SET_PRIVATE(hook, &etfp->nomatch_hook);
212 		 * Any other hook name is valid and can
221 		NG_HOOK_SET_PRIVATE(hook, hpriv);
222 		hpriv->hook = hook;
282 				hook_p  hook;
290 				/* Make sure hook referenced exists */
292 				hook = ng_findhook(node, f->matchhook);
293 				if (hook == NULL) {
298 				/* and is not the downstream hook */
299 				if (hook == etfp->downstream_hook.hook) {
322 				fil->match_hook = hook;
358  * We would do that by setting the HK_QUEUE flag on our hook. We would do that
362 ng_etf_rcvdata(hook_p hook, item_p item )
364 	const etf_p etfp = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));
371 	if (NG_HOOK_PRIVATE(hook) == NULL) { /* Shouldn't happen but.. */
376 	 * Everything not from the downstream hook goes to the
377 	 * downstream hook. But only if it matches the ethertype
378 	 * of the source hook. Un matching must go to/from 'nomatch'.
396 	 * if from downstream, select between a match hook or
397 	 * the nomatch hook
399 	if (hook == etfp->downstream_hook.hook) {
404 			NG_FWD_NEW_DATA(error, item,etfp->nomatch_hook.hook, m);
410 		 * the filters for it's input hook.
413 		if ((fil && (fil->match_hook != hook))
414 		|| ((fil == NULL) && (hook != etfp->nomatch_hook.hook))) {
419 		NG_FWD_NEW_DATA( error, item, etfp->downstream_hook.hook, m);
448 ng_etf_disconnect(hook_p hook)
450 	const etf_p etfp = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));
459 			if (fil1->match_hook == hook) {
468 	if (hook == etfp->downstream_hook.hook) {
469 		etfp->downstream_hook.hook = NULL;
470 	} else if (hook == etfp->nomatch_hook.hook) {
471 		etfp->nomatch_hook.hook = NULL;
473 		if (NG_HOOK_PRIVATE(hook)) /* Paranoia */
474 			free(NG_HOOK_PRIVATE(hook), M_NETGRAPH_ETF);
477 	NG_HOOK_SET_PRIVATE(hook, NULL);
479 	if ((NG_NODE_NUMHOOKS(NG_HOOK_NODE(hook)) == 0)
480 	&& (NG_NODE_IS_VALID(NG_HOOK_NODE(hook)))) /* already shutting down? */
481 		ng_rmnode_self(NG_HOOK_NODE(hook));