libnl-tiny: add unl a convenience wrapper around the libnl api

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25263 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 46 insertions, 0 deletions

diff --git a/package/libnl-tiny/src/include/unl.h b/package/libnl-tiny/src/include/unl.h
new file mode 100644
index 0000000000..57e348ae1d
--- /dev/null
+++ b/package/libnl-tiny/src/include/unl.h
@@ -0,0 +1,46 @@
+#ifndef __UNL_H
+#define __UNL_H
+
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/family.h>
+#include <stdbool.h>
+
+struct unl {
+	struct nl_sock *sock;
+	struct nl_cache *cache;
+	struct genl_family *family;
+	char *family_name;
+	int hdrlen;
+	bool loop_done;
+};
+
+int unl_genl_init(struct unl *unl, const char *family);
+void unl_free(struct unl *unl);
+
+typedef int (*unl_cb)(struct nl_msg *, void *);
+
+struct nl_msg *unl_genl_msg(struct unl *unl, int cmd, bool dump);
+int unl_genl_request(struct unl *unl, struct nl_msg *msg, unl_cb handler, void *arg);
+int unl_genl_request_single(struct unl *unl, struct nl_msg *msg, struct nl_msg **dest);
+void unl_genl_loop(struct unl *unl, unl_cb handler, void *arg);
+
+int unl_genl_subscribe(struct unl *unl, const char *name);
+int unl_genl_unsubscribe(struct unl *unl, const char *name);
+
+int unl_nl80211_phy_lookup(const char *name);
+int unl_nl80211_wdev_to_phy(struct unl *unl, int wdev);
+struct nl_msg *unl_nl80211_phy_msg(struct unl *unl, int phy, int cmd, bool dump);
+struct nl_msg *unl_nl80211_vif_msg(struct unl *unl, int dev, int cmd, bool dump);
+
+static inline void unl_loop_done(struct unl *unl)
+{
+	unl->loop_done = true;
+}
+
+static inline struct nlattr *unl_find_attr(struct unl *unl, struct nl_msg *msg, int attr)
+{
+	return nlmsg_find_attr(nlmsg_hdr(msg), unl->hdrlen, attr);
+}
+
+#endif