include/unl.h

   1 #ifndef __UNL_H
   2 #define __UNL_H
   3
   4 #include <netlink/netlink.h>
   5 #include <netlink/genl/genl.h>
   6 #include <netlink/genl/family.h>
   7 #include <stdbool.h>
   8
   9 struct unl {
  10         struct nl_sock *sock;
  11         struct nl_cache *cache;
  12         struct genl_family *family;
  13         char *family_name;
  14         int hdrlen;
  15         bool loop_done;
  16 };
  17
  18 int unl_genl_init(struct unl *unl, const char *family);
  19 int unl_rtnl_init(struct unl *unl);
  20 void unl_free(struct unl *unl);
  21
  22 typedef int (*unl_cb)(struct nl_msg *, void *);
  23
  24 struct nl_msg *unl_genl_msg(struct unl *unl, int cmd, bool dump);
  25 struct nl_msg *unl_rtnl_msg(struct unl *unl, int cmd, bool dump);
  26
  27 int unl_request(struct unl *unl, struct nl_msg *msg, unl_cb handler, void *arg);
  28 int unl_request_single(struct unl *unl, struct nl_msg *msg, struct nl_msg **dest);
  29 void unl_loop(struct unl *unl, unl_cb handler, void *arg);
  30
  31 /* compat */
  32 #define unl_genl_request unl_request
  33 #define unl_genl_request_single unl_request_single
  34 #define unl_genl_loop unl_loop
  35
  36 int unl_genl_multicast_id(struct unl *unl, const char *name);
  37 int unl_genl_subscribe(struct unl *unl, const char *name);
  38 int unl_genl_unsubscribe(struct unl *unl, const char *name);
  39
  40 int unl_nl80211_phy_lookup(const char *name);
  41 int unl_nl80211_wdev_to_phy(struct unl *unl, int wdev);
  42 struct nl_msg *unl_nl80211_phy_msg(struct unl *unl, int phy, int cmd, bool dump);
  43 struct nl_msg *unl_nl80211_vif_msg(struct unl *unl, int dev, int cmd, bool dump);
  44
  45 static inline void unl_loop_done(struct unl *unl)
  46 {
  47         unl->loop_done = true;
  48 }
  49
  50 static inline struct nlattr *unl_find_attr(struct unl *unl, struct nl_msg *msg, int attr)
  51 {
  52         return nlmsg_find_attr(nlmsg_hdr(msg), unl->hdrlen, attr);
  53 }
  54
  55 #endif