36  * The node has two hooks, upper and lower. Traffic flowing from upper to
102 	struct hookinfo		upper;  member
274 		bzero(&priv->upper, sizeof(priv->upper));  in ngp_newhook()
275 		priv->upper.hook = hook;  in ngp_newhook()
276 		NG_HOOK_SET_PRIVATE(hook, &priv->upper);  in ngp_newhook()
322 				bcopy(&priv->upper.stats, &stats->downstream,  in ngp_rcvmsg()
328 				bzero(&priv->upper.stats,  in ngp_rcvmsg()
329 				    sizeof(priv->upper.stats));  in ngp_rcvmsg()
341 			bcopy(&priv->upper.run, &run->downstream,  in ngp_rcvmsg()
353 			bcopy(&priv->upper.cfg, &cfg->downstream,  in ngp_rcvmsg()
381 				priv->upper.cfg.bandwidth = 0;  in ngp_rcvmsg()
386 				priv->upper.cfg.bandwidth = cfg->bandwidth;  in ngp_rcvmsg()
406 			prev_down = priv->upper.cfg.ber == 1 ||  in ngp_rcvmsg()
408 			parse_cfg(&priv->upper.cfg, &cfg->downstream,  in ngp_rcvmsg()
409 			    &priv->upper, priv);  in ngp_rcvmsg()
412 			now_down = priv->upper.cfg.ber == 1 ||  in ngp_rcvmsg()
429 				if (priv->upper.hook != NULL) {  in ngp_rcvmsg()
434 						    flow_msg, priv->upper.hook,  in ngp_rcvmsg()
609 			dest = &priv->upper;  in ngp_rcvdata()
749 		dest = &priv->upper;  in pipe_dequeue()
914 	if (priv->upper.hook != NULL)  in ngp_callout()
915 		pipe_dequeue(&priv->upper, &now);  in ngp_callout()
923  * This is tricky. If we have both a lower and upper hook, then we
935 	if (priv->lower.hook && priv->upper.hook)  in ngp_shutdown()
936 		ng_bypass(priv->lower.hook, priv->upper.hook);  in ngp_shutdown()
938 		if (priv->upper.hook != NULL)  in ngp_shutdown()
939 			ng_rmhook_self(priv->upper.hook);  in ngp_shutdown()
987 	if (priv->upper.hook == NULL && priv->lower.hook == NULL)  in ngp_disconnect()