platform/trivial: move code (nm_rtnl_link_parse_info_data)

src/platform/nm-linux-platform.c

@@ -292,6 +292,90 @@ _nl_rtnl_addr_set_prefixlen (struct rtnl_addr *rtnladdr, int plen)
 
 /******************************************************************/
 
+/* nm_rtnl_link_parse_info_data(): Re-fetches a link from the kernel
+ * and parses its IFLA_INFO_DATA using a caller-provided parser.
+ *
+ * Code is stolen from rtnl_link_get_kernel(), nl_pickup(), and link_msg_parser().
+ */
+
+typedef int (*NMNLInfoDataParser) (struct nlattr *info_data, gpointer parser_data);
+
+typedef struct {
+	NMNLInfoDataParser parser;
+	gpointer parser_data;
+} NMNLInfoDataClosure;
+
+static struct nla_policy info_data_link_policy[IFLA_MAX + 1] = {
+	[IFLA_LINKINFO] = { .type = NLA_NESTED },
+};
+
+static struct nla_policy info_data_link_info_policy[IFLA_INFO_MAX + 1] = {
+	[IFLA_INFO_DATA] = { .type = NLA_NESTED },
+};
+
+static int
+info_data_parser (struct nl_msg *msg, void *arg)
+{
+	NMNLInfoDataClosure *closure = arg;
+	struct nlmsghdr *n = nlmsg_hdr (msg);
+	struct nlattr *tb[IFLA_MAX + 1];
+	struct nlattr *li[IFLA_INFO_MAX + 1];
+	int err;
+
+	if (!nlmsg_valid_hdr (n, sizeof (struct ifinfomsg)))
+		return -NLE_MSG_TOOSHORT;
+
+	err = nlmsg_parse (n, sizeof (struct ifinfomsg), tb, IFLA_MAX, info_data_link_policy);
+	if (err < 0)
+		return err;
+
+	if (!tb[IFLA_LINKINFO])
+		return -NLE_MISSING_ATTR;
+
+	err = nla_parse_nested (li, IFLA_INFO_MAX, tb[IFLA_LINKINFO], info_data_link_info_policy);
+	if (err < 0)
+		return err;
+
+	if (!li[IFLA_INFO_DATA])
+		return -NLE_MISSING_ATTR;
+
+	return closure->parser (li[IFLA_INFO_DATA], closure->parser_data);
+}
+
+static int
+nm_rtnl_link_parse_info_data (struct nl_sock *sk, int ifindex,
+                              NMNLInfoDataParser parser, gpointer parser_data)
+{
+	NMNLInfoDataClosure data = { .parser = parser, .parser_data = parser_data };
+	struct nl_msg *msg = NULL;
+	struct nl_cb *cb;
+	int err;
+
+	err = rtnl_link_build_get_request (ifindex, NULL, &msg);
+	if (err < 0)
+		return err;
+
+	err = nl_send_auto (sk, msg);
+	nlmsg_free (msg);
+	if (err < 0)
+		return err;
+
+	cb = nl_cb_clone (nl_socket_get_cb (sk));
+	if (cb == NULL)
+		return -NLE_NOMEM;
+	nl_cb_set (cb, NL_CB_VALID, NL_CB_CUSTOM, info_data_parser, &data);
+
+	err = nl_recvmsgs (sk, cb);
+	nl_cb_put (cb);
+	if (err < 0)
+		return err;
+
+	nl_wait_for_ack (sk);
+	return 0;
+}
+
+/******************************************************************/
+
 static int
 _nl_sock_flush_data (struct nl_sock *sk)
 {
@@ -564,88 +648,6 @@ _nlo_get_object_type (const struct nl_object *object)
 		return OBJECT_TYPE_UNKNOWN;
 }
 
-/* nm_rtnl_link_parse_info_data(): Re-fetches a link from the kernel
- * and parses its IFLA_INFO_DATA using a caller-provided parser.
- *
- * Code is stolen from rtnl_link_get_kernel(), nl_pickup(), and link_msg_parser().
- */
-
-typedef int (*NMNLInfoDataParser) (struct nlattr *info_data, gpointer parser_data);
-
-typedef struct {
-	NMNLInfoDataParser parser;
-	gpointer parser_data;
-} NMNLInfoDataClosure;
-
-static struct nla_policy info_data_link_policy[IFLA_MAX + 1] = {
-	[IFLA_LINKINFO] = { .type = NLA_NESTED },
-};
-
-static struct nla_policy info_data_link_info_policy[IFLA_INFO_MAX + 1] = {
-	[IFLA_INFO_DATA] = { .type = NLA_NESTED },
-};
-
-static int
-info_data_parser (struct nl_msg *msg, void *arg)
-{
-	NMNLInfoDataClosure *closure = arg;
-	struct nlmsghdr *n = nlmsg_hdr (msg);
-	struct nlattr *tb[IFLA_MAX + 1];
-	struct nlattr *li[IFLA_INFO_MAX + 1];
-	int err;
-
-	if (!nlmsg_valid_hdr (n, sizeof (struct ifinfomsg)))
-		return -NLE_MSG_TOOSHORT;
-
-	err = nlmsg_parse (n, sizeof (struct ifinfomsg), tb, IFLA_MAX, info_data_link_policy);
-	if (err < 0)
-		return err;
-
-	if (!tb[IFLA_LINKINFO])
-		return -NLE_MISSING_ATTR;
-
-	err = nla_parse_nested (li, IFLA_INFO_MAX, tb[IFLA_LINKINFO], info_data_link_info_policy);
-	if (err < 0)
-		return err;
-
-	if (!li[IFLA_INFO_DATA])
-		return -NLE_MISSING_ATTR;
-
-	return closure->parser (li[IFLA_INFO_DATA], closure->parser_data);
-}
-
-static int
-nm_rtnl_link_parse_info_data (struct nl_sock *sk, int ifindex,
-                              NMNLInfoDataParser parser, gpointer parser_data)
-{
-	NMNLInfoDataClosure data = { .parser = parser, .parser_data = parser_data };
-	struct nl_msg *msg = NULL;
-	struct nl_cb *cb;
-	int err;
-
-	err = rtnl_link_build_get_request (ifindex, NULL, &msg);
-	if (err < 0)
-		return err;
-
-	err = nl_send_auto (sk, msg);
-	nlmsg_free (msg);
-	if (err < 0)
-		return err;
-
-	cb = nl_cb_clone (nl_socket_get_cb (sk));
-	if (cb == NULL)
-		return -NLE_NOMEM;
-	nl_cb_set (cb, NL_CB_VALID, NL_CB_CUSTOM, info_data_parser, &data);
-
-	err = nl_recvmsgs (sk, cb);
-	nl_cb_put (cb);
-	if (err < 0)
-		return err;
-
-	nl_wait_for_ack (sk);
-	return 0;
-}
-
 /******************************************************************/
 
 static gboolean