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