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1 office 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 */