iw.h

   1 #ifndef __IW_H
   2 #define __IW_H
   3
   4 #include <netlink/netlink.h>
   5 #include <netlink/genl/genl.h>
   6 #include <netlink/genl/family.h>
   7 #include <netlink/genl/ctrl.h>
   8
   9 #include "nl80211.h"
  10
  11 #define ETH_ALEN 6
  12
  13 #ifndef CONFIG_LIBNL20
  14 #  define nl_sock nl_handle
  15 #endif
  16
  17 struct nl80211_state {
  18         struct nl_sock *nl_sock;
  19         struct nl_cache *nl_cache;
  20         struct genl_family *nl80211;
  21 };
  22
  23 enum command_identify_by {
  24         CIB_NONE,
  25         CIB_PHY,
  26         CIB_NETDEV,
  27 };
  28
  29 enum id_input {
  30         II_NONE,
  31         II_NETDEV,
  32         II_PHY_NAME,
  33         II_PHY_IDX,
  34 };
  35
  36 struct cmd {
  37         const char *section;
  38         const char *name;
  39         const char *args;
  40         const enum nl80211_commands cmd;
  41         int nl_msg_flags;
  42         int hidden;
  43         const enum command_identify_by idby;
  44         /*
  45          * The handler should return a negative error code,
  46          * zero on success, 1 if the arguments were wrong
  47          * and the usage message should and 2 otherwise.
  48          */
  49         int (*handler)(struct nl80211_state *state,
  50                        struct nl_cb *cb,
  51                        struct nl_msg *msg,
  52                        int argc, char **argv);
  53 };
  54
  55 #define ARRAY_SIZE(ar) (sizeof(ar)/sizeof(ar[0]))
  56
  57 #define __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler)\
  58         static const struct cmd                                         \
  59         __cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden\
  60         __attribute__((used)) __attribute__((section("__cmd"))) = {     \
  61                 .section = (_section),                                  \
  62                 .name = (_name),                                        \
  63                 .args = (_args),                                        \
  64                 .cmd = (_nlcmd),                                        \
  65                 .nl_msg_flags = (_flags),                               \
  66                 .hidden = (_hidden),                                    \
  67                 .idby = (_idby),                                        \
  68                 .handler = (_handler),                                  \
  69          }
  70 #define COMMAND(section, name, args, cmd, flags, idby, handler) \
  71         __COMMAND(#section, name, #name, args, cmd, flags, 0, idby, handler)
  72 #define HIDDEN(section, name, args, cmd, flags, idby, handler)  \
  73         __COMMAND(#section, name, #name, args, cmd, flags, 1, idby, handler)
  74 #define TOPLEVEL(name, args, cmd, flags, idby, handler)         \
  75         __COMMAND(NULL, name, #name, args, cmd, flags, 0, idby, handler)
  76 extern struct cmd __start___cmd;
  77 extern struct cmd __stop___cmd;
  78
  79 extern const char iw_version[];
  80
  81 extern int iw_debug;
  82
  83 int handle_cmd(struct nl80211_state *state, enum id_input idby,
  84                int argc, char **argv);
  85 __u32 listen_events(struct nl80211_state *state,
  86                     const int n_waits, const __u32 *waits);
  87
  88
  89 int mac_addr_a2n(unsigned char *mac_addr, char *arg);
  90 int mac_addr_n2a(char *mac_addr, unsigned char *arg);
  91
  92 const char *iftype_name(enum nl80211_iftype iftype);
  93 int ieee80211_channel_to_frequency(int chan);
  94 int ieee80211_frequency_to_channel(int freq);
  95
  96 int nl_get_multicast_id(struct nl_sock *sock, const char *family, const char *group);
  97
  98 char *reg_initiator_to_string(__u8 initiator);
  99
 100 const char *get_reason_str(uint16_t reason);
 101 const char *get_status_str(uint16_t status);
 102
 103 #endif /* __IW_H */