libiwinfo: major changes
[project/luci.git] / contrib / package / iwinfo / src / include / iwinfo / wext_scan.h
diff --git a/contrib/package/iwinfo/src/include/iwinfo/wext_scan.h b/contrib/package/iwinfo/src/include/iwinfo/wext_scan.h
new file mode 100644 (file)
index 0000000..085c653
--- /dev/null
@@ -0,0 +1,380 @@
+/*
+ * iwinfo - Wireless Information Library - Linux Wireless Extension Headers
+ *
+ *   Copyright (C) 2009-2010 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ * The iwinfo library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * The iwinfo library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
+ */
+
+#ifndef __IWINFO_WEXT_SCAN_H_
+#define __IWINFO_WEXT_SCAN_H_
+
+#include <fcntl.h>
+
+#include "iwinfo.h"
+#include "iwinfo/utils.h"
+#include "iwinfo/api/wext.h"
+
+
+typedef struct stream_descr
+{
+  char *        end;            /* End of the stream */
+  char *        current;        /* Current event in stream of events */
+  char *        value;          /* Current value in event */
+} stream_descr;
+
+/*
+ * Describe how a standard IOCTL looks like.
+ */
+struct iw_ioctl_description
+{
+       uint8_t header_type;            /* NULL, iw_point or other */
+       uint8_t token_type;             /* Future */
+       uint16_t        token_size;             /* Granularity of payload */
+       uint16_t        min_tokens;             /* Min acceptable token number */
+       uint16_t        max_tokens;             /* Max acceptable token number */
+       uint32_t        flags;                  /* Special handling of the request */
+};
+
+/* Type of headers we know about (basically union iwreq_data) */
+#define IW_HEADER_TYPE_NULL    0       /* Not available */
+#define IW_HEADER_TYPE_CHAR    2       /* char [IFNAMSIZ] */
+#define IW_HEADER_TYPE_UINT    4       /* __u32 */
+#define IW_HEADER_TYPE_FREQ    5       /* struct iw_freq */
+#define IW_HEADER_TYPE_ADDR    6       /* struct sockaddr */
+#define IW_HEADER_TYPE_POINT   8       /* struct iw_point */
+#define IW_HEADER_TYPE_PARAM   9       /* struct iw_param */
+#define IW_HEADER_TYPE_QUAL    10      /* struct iw_quality */
+
+/* Handling flags */
+/* Most are not implemented. I just use them as a reminder of some
+ * cool features we might need one day ;-) */
+#define IW_DESCR_FLAG_NONE     0x0000  /* Obvious */
+/* Wrapper level flags */
+#define IW_DESCR_FLAG_DUMP     0x0001  /* Not part of the dump command */
+#define IW_DESCR_FLAG_EVENT    0x0002  /* Generate an event on SET */
+#define IW_DESCR_FLAG_RESTRICT 0x0004  /* GET : request is ROOT only */
+                               /* SET : Omit payload from generated iwevent */
+#define IW_DESCR_FLAG_NOMAX    0x0008  /* GET : no limit on request size */
+/* Driver level flags */
+#define IW_DESCR_FLAG_WAIT     0x0100  /* Wait for driver event */
+
+
+/*
+ * Meta-data about all the standard Wireless Extension request we
+ * know about.
+ */
+static const struct iw_ioctl_description standard_ioctl_descr[] = {
+       [SIOCSIWCOMMIT  - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_NULL,
+       },
+       [SIOCGIWNAME    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_CHAR,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWNWID    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+               .flags          = IW_DESCR_FLAG_EVENT,
+       },
+       [SIOCGIWNWID    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWFREQ    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_FREQ,
+               .flags          = IW_DESCR_FLAG_EVENT,
+       },
+       [SIOCGIWFREQ    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_FREQ,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWMODE    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_UINT,
+               .flags          = IW_DESCR_FLAG_EVENT,
+       },
+       [SIOCGIWMODE    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_UINT,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWSENS    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWSENS    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWRANGE   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_NULL,
+       },
+       [SIOCGIWRANGE   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = sizeof(struct iw_range),
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWPRIV    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_NULL,
+       },
+       [SIOCGIWPRIV    - SIOCIWFIRST] = { /* (handled directly by us) */
+               .header_type    = IW_HEADER_TYPE_NULL,
+       },
+       [SIOCSIWSTATS   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_NULL,
+       },
+       [SIOCGIWSTATS   - SIOCIWFIRST] = { /* (handled directly by us) */
+               .header_type    = IW_HEADER_TYPE_NULL,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWSPY     - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = sizeof(struct sockaddr),
+               .max_tokens     = IW_MAX_SPY,
+       },
+       [SIOCGIWSPY     - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = sizeof(struct sockaddr) +
+                                 sizeof(struct iw_quality),
+               .max_tokens     = IW_MAX_SPY,
+       },
+       [SIOCSIWTHRSPY  - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = sizeof(struct iw_thrspy),
+               .min_tokens     = 1,
+               .max_tokens     = 1,
+       },
+       [SIOCGIWTHRSPY  - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = sizeof(struct iw_thrspy),
+               .min_tokens     = 1,
+               .max_tokens     = 1,
+       },
+       [SIOCSIWAP      - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_ADDR,
+       },
+       [SIOCGIWAP      - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_ADDR,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWMLME    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .min_tokens     = sizeof(struct iw_mlme),
+               .max_tokens     = sizeof(struct iw_mlme),
+       },
+       [SIOCGIWAPLIST  - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = sizeof(struct sockaddr) +
+                                 sizeof(struct iw_quality),
+               .max_tokens     = IW_MAX_AP,
+               .flags          = IW_DESCR_FLAG_NOMAX,
+       },
+       [SIOCSIWSCAN    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .min_tokens     = 0,
+               .max_tokens     = sizeof(struct iw_scan_req),
+       },
+       [SIOCGIWSCAN    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_SCAN_MAX_DATA,
+               .flags          = IW_DESCR_FLAG_NOMAX,
+       },
+       [SIOCSIWESSID   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_ESSID_MAX_SIZE + 1,
+               .flags          = IW_DESCR_FLAG_EVENT,
+       },
+       [SIOCGIWESSID   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_ESSID_MAX_SIZE + 1,
+               .flags          = IW_DESCR_FLAG_DUMP,
+       },
+       [SIOCSIWNICKN   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_ESSID_MAX_SIZE + 1,
+       },
+       [SIOCGIWNICKN   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_ESSID_MAX_SIZE + 1,
+       },
+       [SIOCSIWRATE    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWRATE    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWRTS     - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWRTS     - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWFRAG    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWFRAG    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWTXPOW   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWTXPOW   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWRETRY   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWRETRY   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWENCODE  - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_ENCODING_TOKEN_MAX,
+               .flags          = IW_DESCR_FLAG_EVENT | IW_DESCR_FLAG_RESTRICT,
+       },
+       [SIOCGIWENCODE  - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_ENCODING_TOKEN_MAX,
+               .flags          = IW_DESCR_FLAG_DUMP | IW_DESCR_FLAG_RESTRICT,
+       },
+       [SIOCSIWPOWER   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWPOWER   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWMODUL   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWMODUL   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWGENIE   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_GENERIC_IE_MAX,
+       },
+       [SIOCGIWGENIE   - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_GENERIC_IE_MAX,
+       },
+       [SIOCSIWAUTH    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCGIWAUTH    - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_PARAM,
+       },
+       [SIOCSIWENCODEEXT - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .min_tokens     = sizeof(struct iw_encode_ext),
+               .max_tokens     = sizeof(struct iw_encode_ext) +
+                                 IW_ENCODING_TOKEN_MAX,
+       },
+       [SIOCGIWENCODEEXT - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .min_tokens     = sizeof(struct iw_encode_ext),
+               .max_tokens     = sizeof(struct iw_encode_ext) +
+                                 IW_ENCODING_TOKEN_MAX,
+       },
+       [SIOCSIWPMKSA - SIOCIWFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .min_tokens     = sizeof(struct iw_pmksa),
+               .max_tokens     = sizeof(struct iw_pmksa),
+       },
+};
+
+/*
+ * Meta-data about all the additional standard Wireless Extension events
+ * we know about.
+ */
+static const struct iw_ioctl_description standard_event_descr[] = {
+       [IWEVTXDROP     - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_ADDR,
+       },
+       [IWEVQUAL       - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_QUAL,
+       },
+       [IWEVCUSTOM     - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_CUSTOM_MAX,
+       },
+       [IWEVREGISTERED - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_ADDR,
+       },
+       [IWEVEXPIRED    - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_ADDR,
+       },
+       [IWEVGENIE      - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_GENERIC_IE_MAX,
+       },
+       [IWEVMICHAELMICFAILURE  - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = sizeof(struct iw_michaelmicfailure),
+       },
+       [IWEVASSOCREQIE - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_GENERIC_IE_MAX,
+       },
+       [IWEVASSOCRESPIE        - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = IW_GENERIC_IE_MAX,
+       },
+       [IWEVPMKIDCAND  - IWEVFIRST] = {
+               .header_type    = IW_HEADER_TYPE_POINT,
+               .token_size     = 1,
+               .max_tokens     = sizeof(struct iw_pmkid_cand),
+       },
+};
+
+/* Size (in bytes) of various events */
+static const int event_type_size[] = {
+       IW_EV_LCP_PK_LEN,       /* IW_HEADER_TYPE_NULL */
+       0,
+       IW_EV_CHAR_PK_LEN,      /* IW_HEADER_TYPE_CHAR */
+       0,
+       IW_EV_UINT_PK_LEN,      /* IW_HEADER_TYPE_UINT */
+       IW_EV_FREQ_PK_LEN,      /* IW_HEADER_TYPE_FREQ */
+       IW_EV_ADDR_PK_LEN,      /* IW_HEADER_TYPE_ADDR */
+       0,
+       IW_EV_POINT_PK_LEN,     /* Without variable payload */
+       IW_EV_PARAM_PK_LEN,     /* IW_HEADER_TYPE_PARAM */
+       IW_EV_QUAL_PK_LEN,      /* IW_HEADER_TYPE_QUAL */
+};
+
+
+static const unsigned int standard_ioctl_num =
+       (sizeof(standard_ioctl_descr) / sizeof(struct iw_ioctl_description));
+
+static const unsigned int standard_event_num =
+       (sizeof(standard_event_descr) / sizeof(struct iw_ioctl_description));
+
+#define        IW_IE_CYPHER_NUM        8
+#define        IW_IE_KEY_MGMT_NUM      3
+
+#endif