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Standalone View

				digraph p2p_arch {
				ranksep=.75;
				size = "7.5,7.5";

				edge [dir=none];

				subgraph cluster_wpa_gui {
				label = "wpa_gui";

				status -> Qt;
				scan -> Qt;
				network -> Qt;
				Qt -> peers;
				Qt -> WPS;
				Qt -> gui_ctrl;

				gui_ctrl [label="ctrl i/f"];
				}

				subgraph cluster_wpa_supplicant {
				label = "wpa_supplicant"

				ctrl_iface [label="ctrl i/f"];
				authenticator [label="Authenticator"];
				supplicant [label="Supplicant"];
				driver_iface [label="driver i/f"];
				p2p_module [label="P2P\nmodule"];
				wps_registrar [label="WPS\nRegistrar"];
				wps_enrollee [label="WPS\nEnrollee"];
				mgmt_entity [label="Management\nentity"];

				ctrl_iface -> mgmt_entity;
				p2p_module -> mgmt_entity;
				wps_registrar -> mgmt_entity;
				wps_enrollee -> mgmt_entity;
				mgmt_entity -> authenticator;
				mgmt_entity -> supplicant;
				mgmt_entity -> driver_iface;

				{ rank = same; mgmt_entity; p2p_module; }
				}

				subgraph cluster_wpa_cli {
				label = "wpa_cli -a"

				wpa_cli_action;
				}

				subgraph cluster_dnsmasq {
				label = "dnsmasq"

				dnsmasq;
				}

				subgraph cluster_dhclient {
				label = "dhclient"

				dhclient;
				}

				subgraph cluster_kernel {
				label = "Linux kernel"

				cfg80211 -> mac80211;
				netdev -> mac80211;
				mac80211 -> ath9k;
				}

				gui_ctrl -> ctrl_iface;
				wpa_cli_action -> ctrl_iface;

				driver_iface -> cfg80211;

				wpa_cli_action -> dnsmasq;
				wpa_cli_action -> dhclient;

				dnsmasq -> netdev;
				dhclient -> netdev;

				edge [color=blue,dir=both];
				p2p_module -> mgmt_entity -> driver_iface -> cfg80211 -> mac80211 -> ath9k;

				edge [color=green,dir=both];
				peers -> Qt -> gui_ctrl -> ctrl_iface -> mgmt_entity -> p2p_module;
				}