1 /* 2 * SPDX-FileCopyrightText: 2019 Jiao Xianjun <[email protected]> 3 * SPDX-License-Identifier: AGPL-3.0-or-later 4 */ 5 6 #ifndef __IW_H 7 #define __IW_H 8 9 #include <stdbool.h> 10 #include <netlink/netlink.h> 11 #include <netlink/genl/genl.h> 12 #include <netlink/genl/family.h> 13 #include <netlink/genl/ctrl.h> 14 #include <endian.h> 15 16 #include "nl80211.h" 17 //#include "ieee80211.h" 18 19 #define ETH_ALEN 6 20 21 /* libnl 1.x compatibility code */ 22 #if !defined(CONFIG_LIBNL20) && !defined(CONFIG_LIBNL30) 23 # define nl_sock nl_handle 24 #endif 25 26 struct nl80211_state { 27 struct nl_sock *nl_sock; 28 int nl80211_id; 29 }; 30 31 enum command_identify_by { 32 CIB_NONE, 33 CIB_PHY, 34 CIB_NETDEV, 35 CIB_WDEV, 36 }; 37 38 enum id_input { 39 II_NONE, 40 II_NETDEV, 41 II_PHY_NAME, 42 II_PHY_IDX, 43 II_WDEV, 44 }; 45 46 struct cmd { 47 const char *name; 48 const char *args; 49 const char *help; 50 const enum nl80211_commands cmd; 51 int nl_msg_flags; 52 int hidden; 53 const enum command_identify_by idby; 54 /* 55 * The handler should return a negative error code, 56 * zero on success, 1 if the arguments were wrong 57 * and the usage message should and 2 otherwise. 58 */ 59 int (*handler)(struct nl80211_state *state, 60 struct nl_cb *cb, 61 struct nl_msg *msg, 62 int argc, char **argv, 63 enum id_input id); 64 const struct cmd *(*selector)(int argc, char **argv); 65 const struct cmd *parent; 66 }; 67 68 #define ARRAY_SIZE(ar) (sizeof(ar)/sizeof(ar[0])) 69 #define DIV_ROUND_UP(x, y) (((x) + (y - 1)) / (y)) 70 71 #define __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel)\ 72 static struct cmd \ 73 __cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden\ 74 __attribute__((used)) __attribute__((section("__cmd"))) = { \ 75 .name = (_name), \ 76 .args = (_args), \ 77 .cmd = (_nlcmd), \ 78 .nl_msg_flags = (_flags), \ 79 .hidden = (_hidden), \ 80 .idby = (_idby), \ 81 .handler = (_handler), \ 82 .help = (_help), \ 83 .parent = _section, \ 84 .selector = (_sel), \ 85 } 86 #define __ACMD(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel, _alias)\ 87 __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help, _sel);\ 88 static const struct cmd *_alias = &__cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden 89 #define COMMAND(section, name, args, cmd, flags, idby, handler, help) \ 90 __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help, NULL) 91 #define COMMAND_ALIAS(section, name, args, cmd, flags, idby, handler, help, selector, alias)\ 92 __ACMD(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help, selector, alias) 93 #define HIDDEN(section, name, args, cmd, flags, idby, handler) \ 94 __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 1, idby, handler, NULL, NULL) 95 96 #define TOPLEVEL(_name, _args, _nlcmd, _flags, _idby, _handler, _help) \ 97 struct cmd \ 98 __section ## _ ## _name \ 99 __attribute__((used)) __attribute__((section("__cmd"))) = { \ 100 .name = (#_name), \ 101 .args = (_args), \ 102 .cmd = (_nlcmd), \ 103 .nl_msg_flags = (_flags), \ 104 .idby = (_idby), \ 105 .handler = (_handler), \ 106 .help = (_help), \ 107 } 108 #define SECTION(_name) \ 109 struct cmd __section ## _ ## _name \ 110 __attribute__((used)) __attribute__((section("__cmd"))) = { \ 111 .name = (#_name), \ 112 .hidden = 1, \ 113 } 114 115 #define DECLARE_SECTION(_name) \ 116 extern struct cmd __section ## _ ## _name; 117 118 extern const char sdrctl_version[]; 119 120 extern int iw_debug; 121 122 int handle_cmd(struct nl80211_state *state, enum id_input idby, 123 int argc, char **argv); 124 125 struct print_event_args { 126 struct timeval ts; /* internal */ 127 bool have_ts; /* must be set false */ 128 bool frame, time, reltime; 129 }; 130 131 __u32 listen_events(struct nl80211_state *state, 132 const int n_waits, const __u32 *waits); 133 int __prepare_listen_events(struct nl80211_state *state); 134 __u32 __do_listen_events(struct nl80211_state *state, 135 const int n_waits, const __u32 *waits, 136 struct print_event_args *args); 137 138 139 int mac_addr_a2n(unsigned char *mac_addr, char *arg); 140 void mac_addr_n2a(char *mac_addr, unsigned char *arg); 141 int parse_hex_mask(char *hexmask, unsigned char **result, size_t *result_len, 142 unsigned char **mask); 143 unsigned char *parse_hex(char *hex, size_t *outlen); 144 145 int parse_keys(struct nl_msg *msg, char **argv, int argc); 146 147 void print_ht_mcs(const __u8 *mcs); 148 void print_ampdu_length(__u8 exponent); 149 void print_ampdu_spacing(__u8 spacing); 150 void print_ht_capability(__u16 cap); 151 void print_vht_info(__u32 capa, const __u8 *mcs); 152 153 char *channel_width_name(enum nl80211_chan_width width); 154 const char *iftype_name(enum nl80211_iftype iftype); 155 const char *command_name(enum nl80211_commands cmd); 156 int ieee80211_channel_to_frequency(int chan, enum nl80211_band band); 157 int ieee80211_frequency_to_channel(int freq); 158 159 void print_ssid_escaped(const uint8_t len, const uint8_t *data); 160 161 int nl_get_multicast_id(struct nl_sock *sock, const char *family, const char *group); 162 163 char *reg_initiator_to_string(__u8 initiator); 164 165 const char *get_reason_str(uint16_t reason); 166 const char *get_status_str(uint16_t status); 167 168 enum print_ie_type { 169 PRINT_SCAN, 170 PRINT_LINK, 171 }; 172 173 #define BIT(x) (1ULL<<(x)) 174 175 void print_ies(unsigned char *ie, int ielen, bool unknown, 176 enum print_ie_type ptype); 177 178 void parse_bitrate(struct nlattr *bitrate_attr, char *buf, int buflen); 179 void iw_hexdump(const char *prefix, const __u8 *data, size_t len); 180 181 DECLARE_SECTION(set); 182 DECLARE_SECTION(get); 183 184 #endif /* __IW_H */ 185