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 #ifndef NL_CAPABILITY_VERSION_3_5_0 15 #define nla_nest_start(msg, attrtype) \ 16 nla_nest_start(msg, NLA_F_NESTED | (attrtype)) 17 #endif 18 19 /* support for extack if compilation headers are too old */ 20 #ifndef NETLINK_EXT_ACK 21 #define NETLINK_EXT_ACK 11 22 enum nlmsgerr_attrs { 23 NLMSGERR_ATTR_UNUSED, 24 NLMSGERR_ATTR_MSG, 25 NLMSGERR_ATTR_OFFS, 26 NLMSGERR_ATTR_COOKIE, 27 28 __NLMSGERR_ATTR_MAX, 29 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1 30 }; 31 #endif 32 #ifndef NLM_F_CAPPED 33 #define NLM_F_CAPPED 0x100 34 #endif 35 #ifndef NLM_F_ACK_TLVS 36 #define NLM_F_ACK_TLVS 0x200 37 #endif 38 #ifndef SOL_NETLINK 39 #define SOL_NETLINK 270 40 #endif 41 42 #define ETH_ALEN 6 43 #define VHT_MUMIMO_GROUP_LEN 24 44 45 /* libnl 1.x compatibility code */ 46 #if !defined(CONFIG_LIBNL20) && !defined(CONFIG_LIBNL30) 47 # define nl_sock nl_handle 48 #endif 49 50 struct nl80211_state { 51 struct nl_sock *nl_sock; 52 int nl80211_id; 53 }; 54 55 enum command_identify_by { 56 CIB_NONE, 57 CIB_PHY, 58 CIB_NETDEV, 59 CIB_WDEV, 60 }; 61 62 enum id_input { 63 II_NONE, 64 II_NETDEV, 65 II_PHY_NAME, 66 II_PHY_IDX, 67 II_WDEV, 68 }; 69 70 #define HANDLER_RET_USAGE 1 71 #define HANDLER_RET_DONE 3 72 73 struct cmd { 74 const char *name; 75 const char *args; 76 const char *help; 77 const enum nl80211_commands cmd; 78 int nl_msg_flags; 79 int hidden; 80 const enum command_identify_by idby; 81 /* 82 * The handler should return a negative error code, 83 * zero on success, 1 if the arguments were wrong. 84 * Return 2 iff you provide the error message yourself. 85 */ 86 int (*handler)(struct nl80211_state *state, 87 struct nl_msg *msg, 88 int argc, char **argv, 89 enum id_input id); 90 const struct cmd *(*selector)(int argc, char **argv); 91 const struct cmd *parent; 92 }; 93 94 struct chanmode { 95 const char *name; 96 unsigned int width; 97 int freq1_diff; 98 int chantype; /* for older kernel */ 99 }; 100 101 struct chandef { 102 enum nl80211_chan_width width; 103 104 unsigned int control_freq; 105 unsigned int center_freq1; 106 unsigned int center_freq2; 107 }; 108 109 #define ARRAY_SIZE(ar) (sizeof(ar)/sizeof(ar[0])) 110 #define DIV_ROUND_UP(x, y) (((x) + (y - 1)) / (y)) 111 112 #define __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel)\ 113 static struct cmd \ 114 __cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden = {\ 115 .name = (_name), \ 116 .args = (_args), \ 117 .cmd = (_nlcmd), \ 118 .nl_msg_flags = (_flags), \ 119 .hidden = (_hidden), \ 120 .idby = (_idby), \ 121 .handler = (_handler), \ 122 .help = (_help), \ 123 .parent = _section, \ 124 .selector = (_sel), \ 125 }; \ 126 static struct cmd *__cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden ## _p \ 127 __attribute__((used,section("__cmd"))) = \ 128 &__cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden 129 #define __ACMD(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel, _alias)\ 130 __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel);\ 131 static const struct cmd *_alias = &__cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden 132 #define COMMAND(section, name, args, cmd, flags, idby, handler, help) \ 133 __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help, NULL) 134 #define COMMAND_ALIAS(section, name, args, cmd, flags, idby, handler, help, selector, alias)\ 135 __ACMD(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help, selector, alias) 136 #define HIDDEN(section, name, args, cmd, flags, idby, handler) \ 137 __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 1, idby, handler, NULL, NULL) 138 139 #define TOPLEVEL(_name, _args, _nlcmd, _flags, _idby, _handler, _help) \ 140 struct cmd __section ## _ ## _name = { \ 141 .name = (#_name), \ 142 .args = (_args), \ 143 .cmd = (_nlcmd), \ 144 .nl_msg_flags = (_flags), \ 145 .idby = (_idby), \ 146 .handler = (_handler), \ 147 .help = (_help), \ 148 }; \ 149 static struct cmd *__section ## _ ## _name ## _p \ 150 __attribute__((used,section("__cmd"))) = &__section ## _ ## _name 151 152 #define SECTION(_name) \ 153 struct cmd __section ## _ ## _name = { \ 154 .name = (#_name), \ 155 .hidden = 1, \ 156 }; \ 157 static struct cmd *__section ## _ ## _name ## _p \ 158 __attribute__((used,section("__cmd"))) = &__section ## _ ## _name 159 160 #define DECLARE_SECTION(_name) \ 161 extern struct cmd __section ## _ ## _name; 162 163 struct vendor_event { 164 unsigned int vendor_id, subcmd; 165 void (*callback)(unsigned int vendor_id, unsigned int subcmd, 166 struct nlattr *data); 167 }; 168 169 #define VENDOR_EVENT(_id, _subcmd, _callback) \ 170 static const struct vendor_event \ 171 vendor_event_ ## _id ## _ ## _subcmd = { \ 172 .vendor_id = _id, \ 173 .subcmd = _subcmd, \ 174 .callback = _callback, \ 175 }, * const vendor_event_ ## _id ## _ ## _subcmd ## _p \ 176 __attribute__((used,section("vendor_event"))) = \ 177 &vendor_event_ ## _id ## _ ## _subcmd 178 179 extern const char iw_version[]; 180 181 extern int iw_debug; 182 183 int handle_cmd(struct nl80211_state *state, enum id_input idby, 184 int argc, char **argv); 185 186 struct print_event_args { 187 struct timeval ts; /* internal */ 188 bool have_ts; /* must be set false */ 189 bool frame, time, reltime, ctime; 190 }; 191 192 __u32 listen_events(struct nl80211_state *state, 193 const int n_waits, const __u32 *waits); 194 int __prepare_listen_events(struct nl80211_state *state); 195 __u32 __do_listen_events(struct nl80211_state *state, 196 const int n_waits, const __u32 *waits, 197 const int n_prints, const __u32 *prints, 198 struct print_event_args *args); 199 200 int valid_handler(struct nl_msg *msg, void *arg); 201 void register_handler(int (*handler)(struct nl_msg *, void *), void *data); 202 203 int mac_addr_a2n(unsigned char *mac_addr, char *arg); 204 void mac_addr_n2a(char *mac_addr, const unsigned char *arg); 205 int parse_hex_mask(char *hexmask, unsigned char **result, size_t *result_len, 206 unsigned char **mask); 207 unsigned char *parse_hex(char *hex, size_t *outlen); 208 209 int parse_keys(struct nl_msg *msg, char **argv[], int *argc); 210 int parse_freqchan(struct chandef *chandef, bool chan, int argc, char **argv, int *parsed); 211 enum nl80211_chan_width str_to_bw(const char *str); 212 int parse_txq_stats(char *buf, int buflen, struct nlattr *tid_stats_attr, int header, 213 int tid, const char *indent); 214 int put_chandef(struct nl_msg *msg, struct chandef *chandef); 215 216 void print_ht_mcs(const __u8 *mcs); 217 void print_ampdu_length(__u8 exponent); 218 void print_ampdu_spacing(__u8 spacing); 219 void print_ht_capability(__u16 cap); 220 void print_vht_info(__u32 capa, const __u8 *mcs); 221 void print_he_capability(const uint8_t *ie, int len); 222 void print_he_info(struct nlattr *nl_iftype); 223 void print_eht_info(struct nlattr *nl_iftype, int band); 224 225 char *channel_width_name(enum nl80211_chan_width width); 226 const char *iftype_name(enum nl80211_iftype iftype); 227 void print_iftype_list(const char *name, const char *pfx, struct nlattr *attr); 228 void print_iftype_line(struct nlattr *attr); 229 const char *command_name(enum nl80211_commands cmd); 230 int ieee80211_channel_to_frequency(int chan, enum nl80211_band band); 231 int ieee80211_frequency_to_channel(int freq); 232 233 void print_ssid_escaped(const uint8_t len, const uint8_t *data); 234 235 int nl_get_multicast_id(struct nl_sock *sock, const char *family, const char *group); 236 237 char *reg_initiator_to_string(__u8 initiator); 238 239 const char *get_reason_str(uint16_t reason); 240 const char *get_status_str(uint16_t status); 241 242 enum print_ie_type { 243 PRINT_SCAN, 244 PRINT_LINK, 245 }; 246 247 #define BIT(x) (1ULL<<(x)) 248 249 void print_ies(unsigned char *ie, int ielen, bool unknown, 250 enum print_ie_type ptype); 251 252 void parse_bitrate(struct nlattr *bitrate_attr, char *buf, int buflen); 253 void iw_hexdump(const char *prefix, const __u8 *data, size_t len); 254 255 int get_cf1(const struct chanmode *chanmode, unsigned long freq); 256 257 int parse_random_mac_addr(struct nl_msg *msg, char *addrs); 258 259 #define SCHED_SCAN_OPTIONS "[interval <in_msecs> | scan_plans [<interval_secs:iterations>*] <interval_secs>] " \ 260 "[delay <in_secs>] [freqs <freq>+] [matches [ssid <ssid>]+]] [active [ssid <ssid>]+|passive] " \ 261 "[randomise[=<addr>/<mask>]] [coloc] [flush]" 262 int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv); 263 264 void nan_bf(uint8_t idx, uint8_t *bf, uint16_t bf_len, const uint8_t *buf, 265 size_t len); 266 267 char *hex2bin(const char *hex, char *buf); 268 269 int set_bitrates(struct nl_msg *msg, int argc, char **argv, 270 enum nl80211_attrs attr); 271 272 273 /* sections */ 274 DECLARE_SECTION(ap); 275 DECLARE_SECTION(auth); 276 DECLARE_SECTION(cac); 277 DECLARE_SECTION(channels); 278 DECLARE_SECTION(coalesce); 279 DECLARE_SECTION(commands); 280 DECLARE_SECTION(connect); 281 DECLARE_SECTION(cqm); 282 DECLARE_SECTION(del); 283 DECLARE_SECTION(dev); 284 DECLARE_SECTION(disconnect); 285 DECLARE_SECTION(event); 286 DECLARE_SECTION(features); 287 DECLARE_SECTION(ftm); 288 DECLARE_SECTION(get); 289 DECLARE_SECTION(help); 290 DECLARE_SECTION(hwsim); 291 DECLARE_SECTION(ibss); 292 DECLARE_SECTION(info); 293 DECLARE_SECTION(interface); 294 DECLARE_SECTION(link); 295 DECLARE_SECTION(list); 296 DECLARE_SECTION(measurement); 297 DECLARE_SECTION(mesh); 298 DECLARE_SECTION(mesh_param); 299 DECLARE_SECTION(mgmt); 300 DECLARE_SECTION(mpath); 301 DECLARE_SECTION(mpp); 302 DECLARE_SECTION(nan); 303 DECLARE_SECTION(ocb); 304 DECLARE_SECTION(offchannel); 305 DECLARE_SECTION(p2p); 306 DECLARE_SECTION(phy); 307 DECLARE_SECTION(reg); 308 DECLARE_SECTION(roc); 309 DECLARE_SECTION(scan); 310 DECLARE_SECTION(set); 311 DECLARE_SECTION(station); 312 DECLARE_SECTION(survey); 313 DECLARE_SECTION(switch); 314 DECLARE_SECTION(vendor); 315 DECLARE_SECTION(wowlan); 316 317 #endif /* __IW_H */ 318