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 #include <endian.h> 10 11 #include "nl80211.h" 12 #include "ieee80211.h" 13 14 #define ETH_ALEN 6 15 16 /* libnl 1.x compatibility code */ 17 #if !defined(CONFIG_LIBNL20) && !defined(CONFIG_LIBNL30) 18 # define nl_sock nl_handle 19 #endif 20 21 struct nl80211_state { 22 struct nl_sock *nl_sock; 23 int nl80211_id; 24 }; 25 26 enum command_identify_by { 27 CIB_NONE, 28 CIB_PHY, 29 CIB_NETDEV, 30 CIB_WDEV, 31 }; 32 33 enum id_input { 34 II_NONE, 35 II_NETDEV, 36 II_PHY_NAME, 37 II_PHY_IDX, 38 II_WDEV, 39 }; 40 41 struct cmd { 42 const char *name; 43 const char *args; 44 const char *help; 45 const enum nl80211_commands cmd; 46 int nl_msg_flags; 47 int hidden; 48 const enum command_identify_by idby; 49 /* 50 * The handler should return a negative error code, 51 * zero on success, 1 if the arguments were wrong 52 * and the usage message should and 2 otherwise. 53 */ 54 int (*handler)(struct nl80211_state *state, 55 struct nl_cb *cb, 56 struct nl_msg *msg, 57 int argc, char **argv, 58 enum id_input id); 59 const struct cmd *(*selector)(int argc, char **argv); 60 const struct cmd *parent; 61 }; 62 63 #define ARRAY_SIZE(ar) (sizeof(ar)/sizeof(ar[0])) 64 #define DIV_ROUND_UP(x, y) (((x) + (y - 1)) / (y)) 65 66 #define __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel)\ 67 static struct cmd \ 68 __cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden\ 69 __attribute__((used)) __attribute__((section("__cmd"))) = { \ 70 .name = (_name), \ 71 .args = (_args), \ 72 .cmd = (_nlcmd), \ 73 .nl_msg_flags = (_flags), \ 74 .hidden = (_hidden), \ 75 .idby = (_idby), \ 76 .handler = (_handler), \ 77 .help = (_help), \ 78 .parent = _section, \ 79 .selector = (_sel), \ 80 } 81 #define __ACMD(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel, _alias)\ 82 __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel);\ 83 static const struct cmd *_alias = &__cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden 84 #define COMMAND(section, name, args, cmd, flags, idby, handler, help) \ 85 __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help, NULL) 86 #define COMMAND_ALIAS(section, name, args, cmd, flags, idby, handler, help, selector, alias)\ 87 __ACMD(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help, selector, alias) 88 #define HIDDEN(section, name, args, cmd, flags, idby, handler) \ 89 __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 1, idby, handler, NULL, NULL) 90 91 #define TOPLEVEL(_name, _args, _nlcmd, _flags, _idby, _handler, _help) \ 92 struct cmd \ 93 __section ## _ ## _name \ 94 __attribute__((used)) __attribute__((section("__cmd"))) = { \ 95 .name = (#_name), \ 96 .args = (_args), \ 97 .cmd = (_nlcmd), \ 98 .nl_msg_flags = (_flags), \ 99 .idby = (_idby), \ 100 .handler = (_handler), \ 101 .help = (_help), \ 102 } 103 #define SECTION(_name) \ 104 struct cmd __section ## _ ## _name \ 105 __attribute__((used)) __attribute__((section("__cmd"))) = { \ 106 .name = (#_name), \ 107 .hidden = 1, \ 108 } 109 110 #define DECLARE_SECTION(_name) \ 111 extern struct cmd __section ## _ ## _name; 112 113 extern const char iw_version[]; 114 115 extern int iw_debug; 116 117 int handle_cmd(struct nl80211_state *state, enum id_input idby, 118 int argc, char **argv); 119 120 struct print_event_args { 121 struct timeval ts; /* internal */ 122 bool have_ts; /* must be set false */ 123 bool frame, time, reltime; 124 }; 125 126 __u32 listen_events(struct nl80211_state *state, 127 const int n_waits, const __u32 *waits); 128 int __prepare_listen_events(struct nl80211_state *state); 129 __u32 __do_listen_events(struct nl80211_state *state, 130 const int n_waits, const __u32 *waits, 131 struct print_event_args *args); 132 133 134 int mac_addr_a2n(unsigned char *mac_addr, char *arg); 135 void mac_addr_n2a(char *mac_addr, unsigned char *arg); 136 int parse_hex_mask(char *hexmask, unsigned char **result, size_t *result_len, 137 unsigned char **mask); 138 unsigned char *parse_hex(char *hex, size_t *outlen); 139 140 int parse_keys(struct nl_msg *msg, char **argv, int argc); 141 142 void print_ht_mcs(const __u8 *mcs); 143 void print_ampdu_length(__u8 exponent); 144 void print_ampdu_spacing(__u8 spacing); 145 void print_ht_capability(__u16 cap); 146 void print_vht_info(__u32 capa, const __u8 *mcs); 147 148 char *channel_width_name(enum nl80211_chan_width width); 149 const char *iftype_name(enum nl80211_iftype iftype); 150 const char *command_name(enum nl80211_commands cmd); 151 int ieee80211_channel_to_frequency(int chan, enum nl80211_band band); 152 int ieee80211_frequency_to_channel(int freq); 153 154 void print_ssid_escaped(const uint8_t len, const uint8_t *data); 155 156 int nl_get_multicast_id(struct nl_sock *sock, const char *family, const char *group); 157 158 char *reg_initiator_to_string(__u8 initiator); 159 160 const char *get_reason_str(uint16_t reason); 161 const char *get_status_str(uint16_t status); 162 163 enum print_ie_type { 164 PRINT_SCAN, 165 PRINT_LINK, 166 }; 167 168 #define BIT(x) (1ULL<<(x)) 169 170 void print_ies(unsigned char *ie, int ielen, bool unknown, 171 enum print_ie_type ptype); 172 173 void parse_bitrate(struct nlattr *bitrate_attr, char *buf, int buflen); 174 void iw_hexdump(const char *prefix, const __u8 *data, size_t len); 175 176 #define SCHED_SCAN_OPTIONS "interval <in_msecs> [delay <in_secs>] " \ 177 "[freqs <freq>+] [matches [ssid <ssid>]+]] [active [ssid <ssid>]+|passive] [randomise[=<addr>/<mask>]]" 178 int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv); 179 180 DECLARE_SECTION(set); 181 DECLARE_SECTION(get); 182 183 #endif /* __IW_H */ 184