make commands array easier to handle

[thirdparty/iw.git] / iw.h

diff --git a/iw.h b/iw.h
index 09faa879d01534da1c5872df5664ac26862b5f2f..305604e5b9c4fb1b55577a74d4de372d69503454 100644 (file)
--- a/iw.h
+++ b/iw.h
@@ -1,14 +1,156 @@
 #ifndef __IW_H
 #define __IW_H
 
+#include <stdbool.h>
+#include <netlink/netlink.h>
 #include <netlink/genl/genl.h>
 #include <netlink/genl/family.h>
 #include <netlink/genl/ctrl.h>
 
+#include "nl80211.h"
+
+#define ETH_ALEN 6
+
+#ifndef CONFIG_LIBNL20
+#  define nl_sock nl_handle
+#endif
+
 struct nl80211_state {
-       struct nl_handle *nl_handle;
+       struct nl_sock *nl_sock;
        struct nl_cache *nl_cache;
        struct genl_family *nl80211;
 };
 
+enum command_identify_by {
+       CIB_NONE,
+       CIB_PHY,
+       CIB_NETDEV,
+};
+
+enum id_input {
+       II_NONE,
+       II_NETDEV,
+       II_PHY_NAME,
+       II_PHY_IDX,
+};
+
+struct cmd {
+       const char *name;
+       const char *args;
+       const char *help;
+       const enum nl80211_commands cmd;
+       int nl_msg_flags;
+       int hidden;
+       const enum command_identify_by idby;
+       /*
+        * The handler should return a negative error code,
+        * zero on success, 1 if the arguments were wrong
+        * and the usage message should and 2 otherwise.
+        */
+       int (*handler)(struct nl80211_state *state,
+                      struct nl_cb *cb,
+                      struct nl_msg *msg,
+                      int argc, char **argv);
+       const struct cmd *parent;
+};
+
+#define ARRAY_SIZE(ar) (sizeof(ar)/sizeof(ar[0]))
+
+#define __COMMAND(_section, _symname, _name, _args, _nlcmd, _flags, _hidden, _idby, _handler, _help)\
+       static struct cmd                                               \
+       __cmd ## _ ## _symname ## _ ## _handler ## _ ## _nlcmd ## _ ## _idby ## _ ## _hidden\
+       __attribute__((used)) __attribute__((section("__cmd"))) = {     \
+               .name = (_name),                                        \
+               .args = (_args),                                        \
+               .cmd = (_nlcmd),                                        \
+               .nl_msg_flags = (_flags),                               \
+               .hidden = (_hidden),                                    \
+               .idby = (_idby),                                        \
+               .handler = (_handler),                                  \
+               .help = (_help),                                        \
+               .parent = _section,                                     \
+        }
+#define COMMAND(section, name, args, cmd, flags, idby, handler, help)  \
+       __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 0, idby, handler, help)
+#define HIDDEN(section, name, args, cmd, flags, idby, handler)         \
+       __COMMAND(&(__section ## _ ## section), name, #name, args, cmd, flags, 1, idby, handler, NULL)
+
+#define TOPLEVEL(_name, _args, _nlcmd, _flags, _idby, _handler, _help) \
+       struct cmd                                                      \
+       __section ## _ ## _name                                         \
+       __attribute__((used)) __attribute__((section("__cmd"))) = {     \
+               .name = (#_name),                                       \
+               .args = (_args),                                        \
+               .cmd = (_nlcmd),                                        \
+               .nl_msg_flags = (_flags),                               \
+               .idby = (_idby),                                        \
+               .handler = (_handler),                                  \
+               .help = (_help),                                        \
+        }
+#define SECTION(_name)                                                 \
+       struct cmd __section ## _ ## _name                              \
+       __attribute__((used)) __attribute__((section("__cmd"))) = {     \
+               .name = (#_name),                                       \
+               .hidden = 1,                                            \
+       }
+
+#define DECLARE_SECTION(_name)                                         \
+       extern struct cmd __section ## _ ## _name;
+
+extern const char iw_version[];
+
+extern int iw_debug;
+
+int handle_cmd(struct nl80211_state *state, enum id_input idby,
+              int argc, char **argv);
+
+struct print_event_args {
+       bool frame, time;
+};
+
+__u32 listen_events(struct nl80211_state *state,
+                   const int n_waits, const __u32 *waits);
+__u32 __listen_events(struct nl80211_state *state,
+                     const int n_waits, const __u32 *waits,
+                     struct print_event_args *args);
+
+
+int mac_addr_a2n(unsigned char *mac_addr, char *arg);
+void mac_addr_n2a(char *mac_addr, unsigned char *arg);
+
+int parse_keys(struct nl_msg *msg, char **argv, int argc);
+
+void print_ht_mcs(const __u8 *mcs);
+void print_ampdu_length(__u8 exponent);
+void print_ampdu_spacing(__u8 spacing);
+void print_ht_capability(__u16 cap);
+
+const char *iftype_name(enum nl80211_iftype iftype);
+const char *command_name(enum nl80211_commands cmd);
+int ieee80211_channel_to_frequency(int chan);
+int ieee80211_frequency_to_channel(int freq);
+
+void print_ssid_escaped(const uint8_t len, const uint8_t *data);
+
+int nl_get_multicast_id(struct nl_sock *sock, const char *family, const char *group);
+
+char *reg_initiator_to_string(__u8 initiator);
+
+const char *get_reason_str(uint16_t reason);
+const char *get_status_str(uint16_t status);
+
+enum print_ie_type {
+       PRINT_SCAN,
+       PRINT_LINK,
+};
+
+#define BIT(x) (1ULL<<(x))
+
+void print_ies(unsigned char *ie, int ielen, bool unknown,
+              enum print_ie_type ptype);
+
+
+DECLARE_SECTION(set);
+DECLARE_SECTION(get);
+
 #endif /* __IW_H */