iw.h

   1 #ifndef __IW_H
   2 #define __IW_H
   3
   4 #include <stdbool.h>
   5 #include <netlink/netlink.h>
   6 #include <netlink/genl/genl.h>
   7 #include <netlink/genl/family.h>
   8 #include <netlink/genl/ctrl.h>
   9
  10 #include "nl80211.h"
  11
  12 #define ETH_ALEN 6
  13
  14 #ifndef CONFIG_LIBNL20
  15 #  define nl_sock nl_handle
  16 #endif
  17
  18 struct nl80211_state {
  19         struct nl_sock *nl_sock;
  20         struct nl_cache *nl_cache;
  21         struct genl_family *nl80211;
  22
  23         const char *ifname;
  24 };
  25
  26 enum command_identify_by {
  27         CIB_NONE,
  28         CIB_PHY,
  29         CIB_NETDEV,
  30 };
  31
  32 enum id_input {
  33         II_NONE,
  34         II_NETDEV,
  35         II_PHY_NAME,
  36         II_PHY_IDX,
  37 };
  38
  39 struct cmd {
  40         const char *section;
  41         const char *name;
  42         const char *args;
  43         const char *help;
  44         const enum nl80211_commands cmd;
  45         int nl_msg_flags;
  46         int hidden;
  47         const enum command_identify_by idby;
  48         /*
  49          * The handler should return a negative error code,
  50          * zero on success, 1 if the arguments were wrong
  51          * and the usage message should and 2 otherwise.
  52          */
  53         int (*handler)(struct nl80211_state *state,
  54                        struct nl_cb *cb,
  55                        struct nl_msg *msg,
  56                        int argc, char **argv);
  57 };
  58
  59 #define ARRAY_SIZE(ar) (sizeof(ar)/sizeof(ar[0]))
  60
  61 #define __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help)\
  62         static const struct cmd                                         \
  63         __cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden\
  64         __attribute__((used)) __attribute__((section("__cmd"))) = {     \
  65                 .section = (_section),                                  \
  66                 .name = (_name),                                        \
  67                 .args = (_args),                                        \
  68                 .cmd = (_nlcmd),                                        \
  69                 .nl_msg_flags = (_flags),                               \
  70                 .hidden = (_hidden),                                    \
  71                 .idby = (_idby),                                        \
  72                 .handler = (_handler),                                  \
  73                 .help = (_help),                                        \
  74          }
  75 #define COMMAND(section, name, args, cmd, flags, idby, handler, help)   \
  76         __COMMAND(#section, name, #name, args, cmd, flags, 0, idby, handler, help)
  77 #define HIDDEN(section, name, args, cmd, flags, idby, handler)          \
  78         __COMMAND(#section, name, #name, args, cmd, flags, 1, idby, handler, NULL)
  79 #define TOPLEVEL(name, args, cmd, flags, idby, handler, help)           \
  80         __COMMAND(NULL, name, #name, args, cmd, flags, 0, idby, handler, help)
  81 extern struct cmd __start___cmd;
  82 extern struct cmd __stop___cmd;
  83
  84 extern const char iw_version[];
  85
  86 extern int iw_debug;
  87
  88 int handle_cmd(struct nl80211_state *state, enum id_input idby,
  89                int argc, char **argv);
  90
  91 struct print_event_args {
  92         bool frame, time;
  93 };
  94
  95 __u32 listen_events(struct nl80211_state *state,
  96                     const int n_waits, const __u32 *waits);
  97 __u32 __listen_events(struct nl80211_state *state,
  98                       const int n_waits, const __u32 *waits,
  99                       struct print_event_args *args);
 100
 101
 102 int mac_addr_a2n(unsigned char *mac_addr, char *arg);
 103 void mac_addr_n2a(char *mac_addr, unsigned char *arg);
 104
 105 int parse_keys(struct nl_msg *msg, char **argv, int argc);
 106
 107 const char *iftype_name(enum nl80211_iftype iftype);
 108 int ieee80211_channel_to_frequency(int chan);
 109 int ieee80211_frequency_to_channel(int freq);
 110
 111 void print_ssid_escaped(const uint8_t len, const uint8_t *data);
 112
 113 int nl_get_multicast_id(struct nl_sock *sock, const char *family, const char *group);
 114
 115 char *reg_initiator_to_string(__u8 initiator);
 116
 117 const char *get_reason_str(uint16_t reason);
 118 const char *get_status_str(uint16_t status);
 119
 120 int set_interface_up(const char *ifname);
 121
 122 enum print_ie_type {
 123         PRINT_SCAN,
 124         PRINT_LINK,
 125 };
 126
 127 #define BIT(x) (1ULL<<(x))
 128
 129 void print_ies(unsigned char *ie, int ielen, bool unknown,
 130                enum print_ie_type ptype);
 131
 132 #endif /* __IW_H */