diff -dur Python-2.4.3/Modules/socketmodule.h Python-2.4.3-AF_NETLINK/Modules/socketmodule.h
--- Python-2.4.3/Modules/socketmodule.h	2005-09-15 04:15:03.000000000 +1000
+++ Python-2.4.3-AF_NETLINK/Modules/socketmodule.h	2006-06-05 18:02:31.790847412 +1000
@@ -49,6 +49,10 @@
 # include <netpacket/packet.h>
 #endif
 
+#ifdef AF_NETLINK
+# include <linux/netlink.h>
+#endif
+
 #ifndef Py__SOCKET_H
 #define Py__SOCKET_H
 #ifdef __cplusplus
@@ -90,6 +94,9 @@
 #ifdef HAVE_NETPACKET_PACKET_H
 	struct sockaddr_ll ll;
 #endif
+#ifdef AF_NETLINK
+        struct sockaddr_nl nl;
+#endif
 } sock_addr_t;
 
 /* The object holding a socket.  It holds some extra information,
diff -dur Python-2.4.3/Modules/socketmodule.c Python-2.4.3-AF_NETLINK/Modules/socketmodule.c
--- Python-2.4.3/Modules/socketmodule.c	2006-02-20 20:42:37.000000000 +1100
+++ Python-2.4.3-AF_NETLINK/Modules/socketmodule.c	2006-06-05 18:02:13.121884612 +1000
@@ -1049,6 +1049,14 @@
 	}
 #endif
 
+#ifdef AF_NETLINK
+	case AF_NETLINK:
+	{
+		struct sockaddr_nl *a = (struct sockaddr_nl *)addr;
+		return Py_BuildValue("II", a->nl_pid, a->nl_groups);
+	}
+#endif
+
 	/* More cases here... */
 
 	default:
@@ -1271,6 +1279,24 @@
 	}
 #endif
 
+#ifdef AF_NETLINK
+	case AF_NETLINK:
+	{
+		struct sockaddr_nl* addr;
+		unsigned pid, groups;
+		if (!PyArg_ParseTuple(args, "II:getsockaddrarg", &pid, &groups))
+			return 0;
+		addr = &(s->sock_addr).nl;
+		addr->nl_family = AF_NETLINK;
+		addr->nl_pad = 0;
+		addr->nl_pid = pid;
+		addr->nl_groups = groups;
+		*addr_ret = (struct sockaddr *) addr;
+		*len_ret = sizeof *addr;
+		return 1;
+	}
+#endif
+
 	/* More cases here... */
 
 	default:
@@ -1346,6 +1372,14 @@
 	}
 #endif
 
+#ifdef AF_NETLINK
+	case AF_NETLINK:
+	{
+		*len_ret = sizeof (struct sockaddr_nl);
+		return 1;
+	}
+#endif
+
 	/* More cases here... */
 
 	default:
@@ -3975,9 +4009,75 @@
 	PyModule_AddIntConstant(m, "AF_KEY", AF_KEY);
 #endif
 #ifdef AF_NETLINK
-	/*  */
+	/* Linux netlink sockets, used for kernel<->user communication */
+	/* see netlink(7) manpage for details */
 	PyModule_AddIntConstant(m, "AF_NETLINK", AF_NETLINK);
-#endif
+	/* Netlink message flags */
+	PyModule_AddIntConstant(m, "NLM_F_REQUEST", NLM_F_REQUEST);
+	PyModule_AddIntConstant(m, "NLM_F_MULTI",   NLM_F_MULTI);
+	PyModule_AddIntConstant(m, "NLM_F_ACK",     NLM_F_ACK);
+	PyModule_AddIntConstant(m, "NLM_F_ECHO",    NLM_F_ECHO);
+	PyModule_AddIntConstant(m, "NLM_F_ROOT",    NLM_F_ROOT);
+	PyModule_AddIntConstant(m, "NLM_F_MATCH",   NLM_F_MATCH);
+	PyModule_AddIntConstant(m, "NLM_F_ATOMIC",  NLM_F_ATOMIC);
+	PyModule_AddIntConstant(m, "NLM_F_DUMP",    NLM_F_DUMP);
+	PyModule_AddIntConstant(m, "NLM_F_REPLACE", NLM_F_REPLACE);
+	PyModule_AddIntConstant(m, "NLM_F_EXCL",    NLM_F_EXCL);
+	PyModule_AddIntConstant(m, "NLM_F_CREATE",  NLM_F_CREATE);
+	PyModule_AddIntConstant(m, "NLM_F_APPEND",  NLM_F_APPEND);
+	/* Netlink message types */
+	PyModule_AddIntConstant(m, "NLMSG_NOOP",    NLMSG_NOOP);
+	PyModule_AddIntConstant(m, "NLMSG_ERROR",   NLMSG_ERROR);
+	PyModule_AddIntConstant(m, "NLMSG_DONE",    NLMSG_DONE);
+	PyModule_AddIntConstant(m, "NLMSG_OVERRUN", NLMSG_OVERRUN);
+	/* Netlink protocol constants, used for 3rd arg to socket */
+# ifdef NETLINK_ROUTE
+	PyModule_AddIntConstant(m, "NETLINK_ROUTE", NETLINK_ROUTE);
+# endif
+# ifdef NETLINK_SKIP
+	PyModule_AddIntConstant(m, "NETLINK_SKIP", NETLINK_SKIP);
+# endif
+# ifdef NETLINK_USERSOCK
+	PyModule_AddIntConstant(m, "NETLINK_USERSOCK", NETLINK_USERSOCK);
+# endif
+# ifdef NETLINK_FIREWALL
+	PyModule_AddIntConstant(m, "NETLINK_FIREWALL", NETLINK_FIREWALL);
+# endif
+# ifdef NETLINK_TCPDIAG
+	PyModule_AddIntConstant(m, "NETLINK_TCPDIAG", NETLINK_TCPDIAG);
+# endif
+# ifdef NETLINK_NFLOG
+	PyModule_AddIntConstant(m, "NETLINK_NFLOG", NETLINK_NFLOG);
+# endif
+# ifdef NETLINK_XFRM
+	PyModule_AddIntConstant(m, "NETLINK_XFRM", NETLINK_XFRM);
+# endif
+# ifdef NETLINK_SELINUX
+	PyModule_AddIntConstant(m, "NETLINK_SELINUX", NETLINK_SELINUX);
+# endif
+# ifdef NETLINK_ARPD
+	PyModule_AddIntConstant(m, "NETLINK_ARPD", NETLINK_ARPD);
+# endif
+# ifdef NETLINK_AUDIT
+	PyModule_AddIntConstant(m, "NETLINK_AUDIT", NETLINK_AUDIT);
+# endif
+# ifdef NETLINK_ROUTE6
+	PyModule_AddIntConstant(m, "NETLINK_ROUTE6", NETLINK_ROUTE6);
+# endif
+# ifdef NETLINK_IP6_FW
+	PyModule_AddIntConstant(m, "NETLINK_IP6_FW", NETLINK_IP6_FW);
+# endif
+# ifdef NETLINK_DNRTMSG
+	PyModule_AddIntConstant(m, "NETLINK_DNRTMSG", NETLINK_DNRTMSG);
+# endif
+# ifdef NETLINK_KOBJECT_UEVENT
+	PyModule_AddIntConstant(m, "NETLINK_KOBJECT_UEVENT",
+				NETLINK_KOBJECT_UEVENT);
+# endif
+# ifdef NETLINK_TAPBASE
+	PyModule_AddIntConstant(m, "NETLINK_TAPBASE", NETLINK_TAPBASE);
+# endif
+#endif /* AF_NETLINK */
 #ifdef AF_ROUTE
 	/* Alias to emulate 4.4BSD */
 	PyModule_AddIntConstant(m, "AF_ROUTE", AF_ROUTE);