From 800013b787cfb464d674caec96163a5e66de3c71 Mon Sep 17 00:00:00 2001
From: Thomas Graf <tgraf@suug.ch>
Date: Thu, 11 Nov 2010 16:02:48 +0100
Subject: [PATCH] link: Support for AF_BRIDGE address family

Supports parsing of IFLA_PROTINFO returned when dumping with PF_BRIDGE
---
 lib/Makefile.am         |  1 +
 lib/route/link/bridge.c | 93 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 lib/route/link/bridge.c

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 6cfce33..c1277be 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -59,6 +59,7 @@ libnl_route_la_SOURCES = \
 	route/cls/ematch/meta.c \
 	\
 	route/link/api.c route/link/vlan.c \
+	route/link/bridge.c \
 	\
 	route/sch/blackhole.c route/sch/cbq.c route/sch/dsmark.c \
 	route/sch/fifo.c route/sch/htb.c route/sch/netem.c route/sch/prio.c \
diff --git a/lib/route/link/bridge.c b/lib/route/link/bridge.c
new file mode 100644
index 0000000..4e4da58
--- /dev/null
+++ b/lib/route/link/bridge.c
@@ -0,0 +1,93 @@
+/*
+ * lib/route/link/bridge.c	AF_BRIDGE link oeprations
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation version 2.1
+ *	of the License.
+ *
+ * Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
+ */
+
+/**
+ * @ingroup link
+ * @defgroup link_bridge Bridge Specifics
+ * @brief
+ *
+ * @{
+ */
+
+#include <netlink-local.h>
+#include <netlink/netlink.h>
+#include <netlink/attr.h>
+#include <netlink/route/rtnl.h>
+#include <netlink/route/link/api.h>
+
+struct bridge_data
+{
+	uint8_t			b_port_state;
+};
+
+static void *bridge_alloc(struct rtnl_link *link)
+{
+	return calloc(1, sizeof(struct bridge_data));
+}
+
+static void *bridge_clone(struct rtnl_link *link, void *data)
+{
+	struct bridge_data *bd;
+
+	if ((bd = bridge_alloc(link)))
+		memcpy(bd, data, sizeof(*bd));
+
+	return bd;
+}
+
+static void bridge_free(struct rtnl_link *link, void *data)
+{
+	free(data);
+}
+
+static int bridge_parse_protinfo(struct rtnl_link *link, struct nlattr *attr,
+				 void *data)
+{
+	struct bridge_data *bd = data;
+
+	bd->b_port_state = nla_get_u8(attr);
+
+	return 0;
+}
+
+static void bridge_dump_details(struct rtnl_link *link,
+				struct nl_dump_params *p, void *data)
+{
+	struct bridge_data *bd = data;
+
+	nl_dump(p, "port-state %u ", bd->b_port_state);
+}
+
+static const struct nla_policy protinfo_policy = {
+	.type			= NLA_U8,
+};
+
+static struct rtnl_link_af_ops bridge_ops = {
+	.ao_family			= AF_BRIDGE,
+	.ao_alloc			= &bridge_alloc,
+	.ao_clone			= &bridge_clone,
+	.ao_free			= &bridge_free,
+	.ao_parse_protinfo		= &bridge_parse_protinfo,
+	.ao_dump[NL_DUMP_DETAILS]	= &bridge_dump_details,
+	.ao_protinfo_policy		= &protinfo_policy,
+};
+
+static void __init bridge_init(void)
+{
+	rtnl_link_af_register(&bridge_ops);
+}
+
+static void __exit bridge_exit(void)
+{
+	rtnl_link_af_unregister(&bridge_ops);
+}
+
+/** @} */