diff options
Diffstat (limited to 'contrib/package/freifunk-watchdog/src')
| -rw-r--r-- | contrib/package/freifunk-watchdog/src/Makefile | 12 | ||||
| -rw-r--r-- | contrib/package/freifunk-watchdog/src/ucix.c | 98 | ||||
| -rw-r--r-- | contrib/package/freifunk-watchdog/src/ucix.h | 29 | ||||
| -rw-r--r-- | contrib/package/freifunk-watchdog/src/watchdog.c | 347 | ||||
| -rw-r--r-- | contrib/package/freifunk-watchdog/src/watchdog.h | 107 | ||||
| -rw-r--r-- | contrib/package/freifunk-watchdog/src/wireless.22.h | 1139 |
6 files changed, 1732 insertions, 0 deletions
diff --git a/contrib/package/freifunk-watchdog/src/Makefile b/contrib/package/freifunk-watchdog/src/Makefile new file mode 100644 index 0000000000..e049ebc852 --- /dev/null +++ b/contrib/package/freifunk-watchdog/src/Makefile @@ -0,0 +1,12 @@ +WD_BINARY:=ffwatchd +WD_CFLAGS:=$(CFLAGS) -c -DBINARY=\"$(WD_BINARY)\" +WD_LDFLAGS:=$(LDFLAGS) -lm -luci + +watchdog: + $(CC) $(WD_CFLAGS) -o ucix.o ucix.c + $(CC) $(WD_CFLAGS) -o watchdog.o watchdog.c + $(CC) $(WD_LDFLAGS) -o $(WD_BINARY) watchdog.o ucix.o + +clean: + rm -f *~ $(WD_BINARY) *.o + diff --git a/contrib/package/freifunk-watchdog/src/ucix.c b/contrib/package/freifunk-watchdog/src/ucix.c new file mode 100644 index 0000000000..634d9e16c1 --- /dev/null +++ b/contrib/package/freifunk-watchdog/src/ucix.c @@ -0,0 +1,98 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + * + * Changed by Jo-Philipp Wich <xm@subsignal.org> + */ + +#include <string.h> +#include <stdlib.h> + +#include <uci_config.h> +#include <uci.h> +#include "ucix.h" + +static struct uci_ptr ptr; + +static inline int ucix_get_ptr(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t) +{ + memset(&ptr, 0, sizeof(ptr)); + ptr.package = p; + ptr.section = s; + ptr.option = o; + ptr.value = t; + return uci_lookup_ptr(ctx, &ptr, NULL, true); +} + +struct uci_context* ucix_init(const char *config_file) +{ + struct uci_context *ctx = uci_alloc_context(); + uci_add_history_path(ctx, "/var/state"); + if(uci_load(ctx, config_file, NULL) != UCI_OK) + { + return NULL; + } + return ctx; +} + +void ucix_cleanup(struct uci_context *ctx) +{ + uci_free_context(ctx); +} + +const char* ucix_get_option(struct uci_context *ctx, const char *p, const char *s, const char *o) +{ + struct uci_element *e = NULL; + const char *value = NULL; + if(ucix_get_ptr(ctx, p, s, o, NULL)) + return NULL; + if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) + return NULL; + e = ptr.last; + switch (e->type) + { + case UCI_TYPE_SECTION: + value = uci_to_section(e)->type; + break; + case UCI_TYPE_OPTION: + switch(ptr.o->type) { + case UCI_TYPE_STRING: + value = ptr.o->v.string; + break; + default: + value = NULL; + break; + } + break; + default: + return 0; + } + + return value; +} + +void ucix_for_each_section_type(struct uci_context *ctx, + const char *p, const char *t, + void (*cb)(const char*, void*), void *priv) +{ + struct uci_element *e; + if(ucix_get_ptr(ctx, p, NULL, NULL, NULL)) + return; + uci_foreach_element(&ptr.p->sections, e) + if (!strcmp(t, uci_to_section(e)->type)) + cb(e->name, priv); +} + diff --git a/contrib/package/freifunk-watchdog/src/ucix.h b/contrib/package/freifunk-watchdog/src/ucix.h new file mode 100644 index 0000000000..b1f5ec3f60 --- /dev/null +++ b/contrib/package/freifunk-watchdog/src/ucix.h @@ -0,0 +1,29 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + */ + +#ifndef _UCI_H__ +#define _UCI_H__ +struct uci_context* ucix_init(const char *config_file); + +void ucix_for_each_section_type(struct uci_context *ctx, + const char *p, const char *t, + void (*cb)(const char*, void*), void *priv); + +const char* ucix_get_option(struct uci_context *ctx, + const char *p, const char *s, const char *o); +#endif diff --git a/contrib/package/freifunk-watchdog/src/watchdog.c b/contrib/package/freifunk-watchdog/src/watchdog.c new file mode 100644 index 0000000000..aea0516811 --- /dev/null +++ b/contrib/package/freifunk-watchdog/src/watchdog.c @@ -0,0 +1,347 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org> + */ + +#include "watchdog.h" + +/* Get BSSID of given interface */ +static int iw_get_bssid(int iwfd, const char *ifname, char *bssid) +{ + struct iwreq iwrq; + + if( iw_ioctl(iwfd, ifname, SIOCGIWAP, &iwrq) >= 0 ) + { + unsigned char *addr = (unsigned char *)iwrq.u.ap_addr.sa_data; + + sprintf(bssid, "%02X:%02X:%02X:%02X:%02X:%02X", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); + + return 0; + } + + return -1; +} + +/* Get channel of given interface */ +static int iw_get_channel(int iwfd, const char *ifname, int *channel) +{ + int i; + char buffer[sizeof(struct iw_range)]; + double cur_freq, cmp_freq; + struct iwreq iwrq; + struct iw_range *range; + + memset(buffer, 0, sizeof(buffer)); + + iwrq.u.data.pointer = (char *)buffer; + iwrq.u.data.length = sizeof(buffer); + iwrq.u.data.flags = 0; + + if( iw_ioctl(iwfd, ifname, SIOCGIWRANGE, &iwrq) < 0) + { + *channel = -1; + return -1; + } + + range = (struct iw_range *)buffer; + + if( iw_ioctl(iwfd, ifname, SIOCGIWFREQ, &iwrq) >= 0 ) + { + cur_freq = ((double)iwrq.u.freq.m) * pow(10, iwrq.u.freq.e); + if( cur_freq < 1000.00 ) + { + *channel = (int)cur_freq; + return 0; + } + + for(i = 0; i < range->num_frequency; i++) + { + cmp_freq = ((double)range->freq[i].m) * pow(10, range->freq[i].e); + if( cmp_freq == cur_freq ) + { + *channel = (int)range->freq[i].i; + return 0; + } + } + } + + *channel = -1; + return -1; +} + +/* Get the (first) pid of given process name */ +static int find_process(const char *name) +{ + int pid = -1; + int file; + char buffer[128]; + char cmpname[128]; + DIR *dir; + struct dirent *entry; + + if( (dir = opendir("/proc")) != NULL ) + { + snprintf(cmpname, sizeof(cmpname), "Name:\t%s\n", name); + + while( (entry = readdir(dir)) != NULL ) + { + if( !strcmp(entry->d_name, "..") || !isdigit(*entry->d_name) ) + continue; + + sprintf(buffer, "/proc/%s/status", entry->d_name); + if( (file = open(buffer, O_RDONLY)) > -1 ) + { + read(file, buffer, sizeof(buffer)); + close(file); + + if( strstr(buffer, cmpname) == buffer ) + { + pid = atoi(entry->d_name); + break; + } + } + } + + closedir(dir); + return pid; + } + + syslog(LOG_CRIT, "Unable to open /proc: %s", + strerror(errno)); + + return -1; +} + +/* Check if given uci file was updated */ +static int check_uci_update(const char *config, time_t *mtime) +{ + struct stat s; + char path[128]; + + snprintf(path, sizeof(path), "/etc/config/%s", config); + if( stat(path, &s) > -1 ) + { + if( (*mtime == 0) || (s.st_mtime > *mtime) ) + { + *mtime = s.st_mtime; + return 1; + } + else + { + snprintf(path, sizeof(path), "/var/state/%s", config); + if( stat(path, &s) > -1 ) + { + if( (*mtime == 0) || (s.st_mtime > *mtime) ) + { + *mtime = s.st_mtime; + return 1; + } + } + + return 0; + } + } + + return -1; +} + +/* Add tuple */ +static void load_wifi_uci_add_iface(const char *section, struct uci_itr_ctx *itr) +{ + wifi_tuple_t *t; + const char *ucitmp; + int val = 0; + + if( (t = (wifi_tuple_t *)malloc(sizeof(wifi_tuple_t))) != NULL ) + { + ucitmp = ucix_get_option(itr->ctx, "wireless", section, "ifname"); + if(ucitmp) + { + strncpy(t->ifname, ucitmp, sizeof(t->ifname)); + val++; + } + + ucitmp = ucix_get_option(itr->ctx, "wireless", section, "bssid"); + if(ucitmp) + { + strncpy(t->bssid, ucitmp, sizeof(t->bssid)); + val++; + } + + ucitmp = ucix_get_option(itr->ctx, "wireless", section, "device"); + if(ucitmp) + { + ucitmp = ucix_get_option(itr->ctx, "wireless", ucitmp, "channel"); + if(ucitmp) + { + t->channel = atoi(ucitmp); + val++; + } + } + + if( val == 3 ) + { + syslog(LOG_INFO, "Monitoring %s: bssid=%s channel=%d", + t->ifname, t->bssid, t->channel); + + t->next = itr->list; + itr->list = t; + } + else + { + free(t); + } + } +} + +/* Load config */ +static wifi_tuple_t * load_wifi_uci(wifi_tuple_t *ifs, time_t *modtime) +{ + struct uci_context *ctx; + struct uci_itr_ctx itr; + wifi_tuple_t *cur, *next; + + if( check_uci_update("wireless", modtime) ) + { + syslog(LOG_INFO, "Config changed, reloading"); + + if( (ctx = ucix_init("wireless")) != NULL ) + { + if( ifs != NULL ) + { + for(cur = ifs; cur; cur = next) + { + next = cur->next; + free(cur); + } + } + + itr.list = NULL; + itr.ctx = ctx; + + ucix_for_each_section_type(ctx, "wireless", "wifi-iface", + (void *)load_wifi_uci_add_iface, &itr); + + return itr.list; + } + } + + return ifs; +} + +/* Daemon implementation */ +static int do_daemon(void) +{ + int iwfd; + int channel; + char bssid[18]; + + wifi_tuple_t *ifs = NULL, *curif; + time_t modtime = 0; + + int restart_wifi = 0; + int restart_cron = 0; + + openlog(SYSLOG_IDENT, 0, LOG_DAEMON); + //daemon(1, 1); + + if( (iwfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1 ) + { + perror("Can not open wireless control socket"); + return 1; + } + + while( 1 ) + { + if( (ifs = load_wifi_uci(ifs, &modtime)) == NULL ) + { + printf("Can not load wireless uci. File corrupt?\n"); + return 1; + } + + /* Check crond */ + if( find_process("crond") < 0 ) + { + syslog(LOG_WARNING, "The crond process died, restarting"); + restart_cron++; + } + + /* Check wireless interfaces */ + for( curif = ifs; curif; curif = curif->next ) + { + /* Get current channel and bssid */ + if( (iw_get_bssid(iwfd, curif->ifname, bssid) == 0) && + (iw_get_channel(iwfd, curif->ifname, &channel) == 0) ) + { + /* Check BSSID */ + if( strcasecmp(bssid, curif->bssid) != 0 ) + { + syslog(LOG_WARNING, "BSSID mismatch on %s: current=%s wanted=%s", + curif->ifname, bssid, curif->bssid); + + restart_wifi++; + } + + /* Check channel */ + if( channel != curif->channel ) + { + syslog(LOG_WARNING, "Channel mismatch on %s: current=%d wanted=%d", + curif->ifname, channel, curif->channel); + + restart_wifi++; + } + } + else + { + syslog(LOG_WARNING, "Requested interface %s not present", curif->ifname); + } + } + + + /* Wifi restart required? */ + if( restart_wifi > 0 ) + { + restart_wifi = 0; + EXEC(WIFI_ACTION); + } + + /* Cron restart required? */ + if( restart_cron > 0 ) + { + restart_cron = 0; + EXEC(CRON_ACTION); + } + + sleep(INTERVAL); + } + + closelog(); + return 0; +} + + +int main(int argc, char *argv[]) +{ + /* Check if watchdog is running ... */ + if( (argc > 1) && (strcmp(argv[1], "running") == 0) ) + { + return (find_process(BINARY) >= 0); + } + + /* Start daemon */ + return do_daemon(); +} diff --git a/contrib/package/freifunk-watchdog/src/watchdog.h b/contrib/package/freifunk-watchdog/src/watchdog.h new file mode 100644 index 0000000000..d11396f807 --- /dev/null +++ b/contrib/package/freifunk-watchdog/src/watchdog.h @@ -0,0 +1,107 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org> + */ + +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <stdint.h> +#include <stdlib.h> +#include <syslog.h> +#include <ctype.h> +#include <errno.h> +#include <dirent.h> +#include <fcntl.h> +#include <math.h> +#include <time.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/socket.h> + +#include "ucix.h" +#include "wireless.22.h" + + +/* Check interval */ +#define INTERVAL 30 + +/* How to call myself in the logs */ +#define SYSLOG_IDENT "Freifunk Watchdog" + +/* Wifi error action */ +#define WIFI_ACTION "/sbin/wifi", "/sbin/wifi" + +/* Crond error action */ +#define CRON_ACTION "/etc/init.d/cron", "/etc/init.d/cron", "restart" + +/* Fallback binary name (passed by makefile) */ +#ifndef BINARY +#define BINARY "ffwatchd" +#endif + + +/* ifname/bssid/channel tuples */ +struct wifi_tuple { + char ifname[16]; + char bssid[18]; + int channel; + struct wifi_tuple *next; +}; + +/* structure to hold tuple-list and uci context during iteration */ +struct uci_itr_ctx { + struct wifi_tuple *list; + struct uci_context *ctx; +}; + +typedef struct wifi_tuple wifi_tuple_t; + + +/* ioctl() helper (stolen from iwlib) */ +static inline int +iw_ioctl(int skfd, /* Socket to the kernel */ + const char * ifname, /* Device name */ + int request, /* WE ID */ + struct iwreq * pwrq) /* Fixed part of the request */ +{ + /* Set device name */ + strncpy(pwrq->ifr_ifrn.ifrn_name, ifname, 16); + + /* Do the request */ + return(ioctl(skfd, request, pwrq)); +} + +/* fork() & execl() helper */ +#define EXEC(x) \ + do { \ + switch(fork()) \ + { \ + case -1: \ + syslog(LOG_CRIT, "Unable to fork child: %s", \ + strerror(errno)); \ + \ + break; \ + \ + case 0: \ + execl(x, NULL); \ + syslog(LOG_CRIT, "Unable to execute action: %s", \ + strerror(errno)); \ + \ + return 1; \ + } \ + } while(0) + diff --git a/contrib/package/freifunk-watchdog/src/wireless.22.h b/contrib/package/freifunk-watchdog/src/wireless.22.h new file mode 100644 index 0000000000..1d19243f33 --- /dev/null +++ b/contrib/package/freifunk-watchdog/src/wireless.22.h @@ -0,0 +1,1139 @@ +/* + * This file define a set of standard wireless extensions + * + * Version : 22 16.3.07 + * + * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> + * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. + */ + +#ifndef _LINUX_WIRELESS_H +#define _LINUX_WIRELESS_H + +/************************** DOCUMENTATION **************************/ +/* + * Initial APIs (1996 -> onward) : + * ----------------------------- + * Basically, the wireless extensions are for now a set of standard ioctl + * call + /proc/net/wireless + * + * The entry /proc/net/wireless give statistics and information on the + * driver. + * This is better than having each driver having its entry because + * its centralised and we may remove the driver module safely. + * + * Ioctl are used to configure the driver and issue commands. This is + * better than command line options of insmod because we may want to + * change dynamically (while the driver is running) some parameters. + * + * The ioctl mechanimsm are copied from standard devices ioctl. + * We have the list of command plus a structure descibing the + * data exchanged... + * Note that to add these ioctl, I was obliged to modify : + * # net/core/dev.c (two place + add include) + * # net/ipv4/af_inet.c (one place + add include) + * + * /proc/net/wireless is a copy of /proc/net/dev. + * We have a structure for data passed from the driver to /proc/net/wireless + * Too add this, I've modified : + * # net/core/dev.c (two other places) + * # include/linux/netdevice.h (one place) + * # include/linux/proc_fs.h (one place) + * + * New driver API (2002 -> onward) : + * ------------------------------- + * This file is only concerned with the user space API and common definitions. + * The new driver API is defined and documented in : + * # include/net/iw_handler.h + * + * Note as well that /proc/net/wireless implementation has now moved in : + * # net/core/wireless.c + * + * Wireless Events (2002 -> onward) : + * -------------------------------- + * Events are defined at the end of this file, and implemented in : + * # net/core/wireless.c + * + * Other comments : + * -------------- + * Do not add here things that are redundant with other mechanisms + * (drivers init, ifconfig, /proc/net/dev, ...) and with are not + * wireless specific. + * + * These wireless extensions are not magic : each driver has to provide + * support for them... + * + * IMPORTANT NOTE : As everything in the kernel, this is very much a + * work in progress. Contact me if you have ideas of improvements... + */ + +/***************************** INCLUDES *****************************/ + +/* This header is used in user-space, therefore need to be sanitised + * for that purpose. Those includes are usually not compatible with glibc. + * To know which includes to use in user-space, check iwlib.h. */ +#ifdef __KERNEL__ +#include <linux/types.h> /* for "caddr_t" et al */ +#include <linux/socket.h> /* for "struct sockaddr" et al */ +#include <linux/if.h> /* for IFNAMSIZ and co... */ +#endif /* __KERNEL__ */ + +/***************************** VERSION *****************************/ +/* + * This constant is used to know the availability of the wireless + * extensions and to know which version of wireless extensions it is + * (there is some stuff that will be added in the future...) + * I just plan to increment with each new version. + */ +#define WIRELESS_EXT 22 + +/* + * Changes : + * + * V2 to V3 + * -------- + * Alan Cox start some incompatibles changes. I've integrated a bit more. + * - Encryption renamed to Encode to avoid US regulation problems + * - Frequency changed from float to struct to avoid problems on old 386 + * + * V3 to V4 + * -------- + * - Add sensitivity + * + * V4 to V5 + * -------- + * - Missing encoding definitions in range + * - Access points stuff + * + * V5 to V6 + * -------- + * - 802.11 support (ESSID ioctls) + * + * V6 to V7 + * -------- + * - define IW_ESSID_MAX_SIZE and IW_MAX_AP + * + * V7 to V8 + * -------- + * - Changed my e-mail address + * - More 802.11 support (nickname, rate, rts, frag) + * - List index in frequencies + * + * V8 to V9 + * -------- + * - Support for 'mode of operation' (ad-hoc, managed...) + * - Support for unicast and multicast power saving + * - Change encoding to support larger tokens (>64 bits) + * - Updated iw_params (disable, flags) and use it for NWID + * - Extracted iw_point from iwreq for clarity + * + * V9 to V10 + * --------- + * - Add PM capability to range structure + * - Add PM modifier : MAX/MIN/RELATIVE + * - Add encoding option : IW_ENCODE_NOKEY + * - Add TxPower ioctls (work like TxRate) + * + * V10 to V11 + * ---------- + * - Add WE version in range (help backward/forward compatibility) + * - Add retry ioctls (work like PM) + * + * V11 to V12 + * ---------- + * - Add SIOCSIWSTATS to get /proc/net/wireless programatically + * - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space + * - Add new statistics (frag, retry, beacon) + * - Add average quality (for user space calibration) + * + * V12 to V13 + * ---------- + * - Document creation of new driver API. + * - Extract union iwreq_data from struct iwreq (for new driver API). + * - Rename SIOCSIWNAME as SIOCSIWCOMMIT + * + * V13 to V14 + * ---------- + * - Wireless Events support : define struct iw_event + * - Define additional specific event numbers + * - Add "addr" and "param" fields in union iwreq_data + * - AP scanning stuff (SIOCSIWSCAN and friends) + * + * V14 to V15 + * ---------- + * - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg + * - Make struct iw_freq signed (both m & e), add explicit padding + * - Add IWEVCUSTOM for driver specific event/scanning token + * - Add IW_MAX_GET_SPY for driver returning a lot of addresses + * - Add IW_TXPOW_RANGE for range of Tx Powers + * - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points + * - Add IW_MODE_MONITOR for passive monitor + * + * V15 to V16 + * ---------- + * - Increase the number of bitrates in iw_range to 32 (for 802.11g) + * - Increase the number of frequencies in iw_range to 32 (for 802.11b+a) + * - Reshuffle struct iw_range for increases, add filler + * - Increase IW_MAX_AP to 64 for driver returning a lot of addresses + * - Remove IW_MAX_GET_SPY because conflict with enhanced spy support + * - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy" + * - Add IW_ENCODE_TEMP and iw_range->encoding_login_index + * + * V16 to V17 + * ---------- + * - Add flags to frequency -> auto/fixed + * - Document (struct iw_quality *)->updated, add new flags (INVALID) + * - Wireless Event capability in struct iw_range + * - Add support for relative TxPower (yick !) + * + * V17 to V18 (From Jouni Malinen <jkmaline@cc.hut.fi>) + * ---------- + * - Add support for WPA/WPA2 + * - Add extended encoding configuration (SIOCSIWENCODEEXT and + * SIOCGIWENCODEEXT) + * - Add SIOCSIWGENIE/SIOCGIWGENIE + * - Add SIOCSIWMLME + * - Add SIOCSIWPMKSA + * - Add struct iw_range bit field for supported encoding capabilities + * - Add optional scan request parameters for SIOCSIWSCAN + * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA + * related parameters (extensible up to 4096 parameter values) + * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE, + * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND + * + * V18 to V19 + * ---------- + * - Remove (struct iw_point *)->pointer from events and streams + * - Remove header includes to help user space + * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64 + * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros + * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM + * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros + * + * V19 to V20 + * ---------- + * - RtNetlink requests support (SET/GET) + * + * V20 to V21 + * ---------- + * - Remove (struct net_device *)->get_wireless_stats() + * - Change length in ESSID and NICK to strlen() instead of strlen()+1 + * - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers + * - Power/Retry relative values no longer * 100000 + * - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI + * + * V21 to V22 + * ---------- + * - Prevent leaking of kernel space in stream on 64 bits. + */ + +/**************************** CONSTANTS ****************************/ + +/* -------------------------- IOCTL LIST -------------------------- */ + +/* Wireless Identification */ +#define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */ +#define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */ +/* SIOCGIWNAME is used to verify the presence of Wireless Extensions. + * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"... + * Don't put the name of your driver there, it's useless. */ + +/* Basic operations */ +#define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */ +#define SIOCGIWNWID 0x8B03 /* get network id (the cell) */ +#define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */ +#define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */ +#define SIOCSIWMODE 0x8B06 /* set operation mode */ +#define SIOCGIWMODE 0x8B07 /* get operation mode */ +#define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */ +#define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */ + +/* Informative stuff */ +#define SIOCSIWRANGE 0x8B0A /* Unused */ +#define SIOCGIWRANGE 0x8B0B /* Get range of parameters */ +#define SIOCSIWPRIV 0x8B0C /* Unused */ +#define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */ +#define SIOCSIWSTATS 0x8B0E /* Unused */ +#define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */ +/* SIOCGIWSTATS is strictly used between user space and the kernel, and + * is never passed to the driver (i.e. the driver will never see it). */ + +/* Spy support (statistics per MAC address - used for Mobile IP support) */ +#define SIOCSIWSPY 0x8B10 /* set spy addresses */ +#define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */ +#define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */ +#define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */ + +/* Access Point manipulation */ +#define SIOCSIWAP 0x8B14 /* set access point MAC addresses */ +#define SIOCGIWAP 0x8B15 /* get access point MAC addresses */ +#define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */ +#define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */ +#define SIOCGIWSCAN 0x8B19 /* get scanning results */ + +/* 802.11 specific support */ +#define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */ +#define SIOCGIWESSID 0x8B1B /* get ESSID */ +#define SIOCSIWNICKN 0x8B1C /* set node name/nickname */ +#define SIOCGIWNICKN 0x8B1D /* get node name/nickname */ +/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit + * within the 'iwreq' structure, so we need to use the 'data' member to + * point to a string in user space, like it is done for RANGE... */ + +/* Other parameters useful in 802.11 and some other devices */ +#define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */ +#define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */ +#define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */ +#define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */ +#define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */ +#define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */ +#define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */ +#define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */ +#define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */ +#define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */ + +/* Encoding stuff (scrambling, hardware security, WEP...) */ +#define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */ +#define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */ +/* Power saving stuff (power management, unicast and multicast) */ +#define SIOCSIWPOWER 0x8B2C /* set Power Management settings */ +#define SIOCGIWPOWER 0x8B2D /* get Power Management settings */ +/* Modulation bitmask */ +#define SIOCSIWMODUL 0x8B2E /* set Modulations settings */ +#define SIOCGIWMODUL 0x8B2F /* get Modulations settings */ + +/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM). + * This ioctl uses struct iw_point and data buffer that includes IE id and len + * fields. More than one IE may be included in the request. Setting the generic + * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers + * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers + * are required to report the used IE as a wireless event, e.g., when + * associating with an AP. */ +#define SIOCSIWGENIE 0x8B30 /* set generic IE */ +#define SIOCGIWGENIE 0x8B31 /* get generic IE */ + +/* WPA : IEEE 802.11 MLME requests */ +#define SIOCSIWMLME 0x8B16 /* request MLME operation; uses + * struct iw_mlme */ +/* WPA : Authentication mode parameters */ +#define SIOCSIWAUTH 0x8B32 /* set authentication mode params */ +#define SIOCGIWAUTH 0x8B33 /* get authentication mode params */ + +/* WPA : Extended version of encoding configuration */ +#define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */ +#define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */ + +/* WPA2 : PMKSA cache management */ +#define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */ + +/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */ + +/* These 32 ioctl are wireless device private, for 16 commands. + * Each driver is free to use them for whatever purpose it chooses, + * however the driver *must* export the description of those ioctls + * with SIOCGIWPRIV and *must* use arguments as defined below. + * If you don't follow those rules, DaveM is going to hate you (reason : + * it make mixed 32/64bit operation impossible). + */ +#define SIOCIWFIRSTPRIV 0x8BE0 +#define SIOCIWLASTPRIV 0x8BFF +/* Previously, we were using SIOCDEVPRIVATE, but we now have our + * separate range because of collisions with other tools such as + * 'mii-tool'. + * We now have 32 commands, so a bit more space ;-). + * Also, all 'even' commands are only usable by root and don't return the + * content of ifr/iwr to user (but you are not obliged to use the set/get + * convention, just use every other two command). More details in iwpriv.c. + * And I repeat : you are not forced to use them with iwpriv, but you + * must be compliant with it. + */ + +/* ------------------------- IOCTL STUFF ------------------------- */ + +/* The first and the last (range) */ +#define SIOCIWFIRST 0x8B00 +#define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */ +#define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST) + +/* Odd : get (world access), even : set (root access) */ +#define IW_IS_SET(cmd) (!((cmd) & 0x1)) +#define IW_IS_GET(cmd) ((cmd) & 0x1) + +/* ----------------------- WIRELESS EVENTS ----------------------- */ +/* Those are *NOT* ioctls, do not issue request on them !!! */ +/* Most events use the same identifier as ioctl requests */ + +#define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */ +#define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */ +#define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */ +#define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */ +#define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */ +#define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..) + * (scan results); This includes id and + * length fields. One IWEVGENIE may + * contain more than one IE. Scan + * results may contain one or more + * IWEVGENIE events. */ +#define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure + * (struct iw_michaelmicfailure) + */ +#define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request. + * The data includes id and length + * fields and may contain more than one + * IE. This event is required in + * Managed mode if the driver + * generates its own WPA/RSN IE. This + * should be sent just before + * IWEVREGISTERED event for the + * association. */ +#define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association + * Response. The data includes id and + * length fields and may contain more + * than one IE. This may be sent + * between IWEVASSOCREQIE and + * IWEVREGISTERED events for the + * association. */ +#define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN + * pre-authentication + * (struct iw_pmkid_cand) */ + +#define IWEVFIRST 0x8C00 +#define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST) + +/* ------------------------- PRIVATE INFO ------------------------- */ +/* + * The following is used with SIOCGIWPRIV. It allow a driver to define + * the interface (name, type of data) for its private ioctl. + * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV + */ + +#define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */ +#define IW_PRIV_TYPE_NONE 0x0000 +#define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */ +#define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */ +#define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */ +#define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */ +#define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */ + +#define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */ + +#define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */ + +/* + * Note : if the number of args is fixed and the size < 16 octets, + * instead of passing a pointer we will put args in the iwreq struct... + */ + +/* ----------------------- OTHER CONSTANTS ----------------------- */ + +/* Maximum frequencies in the range struct */ +#define IW_MAX_FREQUENCIES 32 +/* Note : if you have something like 80 frequencies, + * don't increase this constant and don't fill the frequency list. + * The user will be able to set by channel anyway... */ + +/* Maximum bit rates in the range struct */ +#define IW_MAX_BITRATES 32 + +/* Maximum tx powers in the range struct */ +#define IW_MAX_TXPOWER 8 +/* Note : if you more than 8 TXPowers, just set the max and min or + * a few of them in the struct iw_range. */ + +/* Maximum of address that you may set with SPY */ +#define IW_MAX_SPY 8 + +/* Maximum of address that you may get in the + list of access points in range */ +#define IW_MAX_AP 64 + +/* Maximum size of the ESSID and NICKN strings */ +#define IW_ESSID_MAX_SIZE 32 + +/* Modes of operation */ +#define IW_MODE_AUTO 0 /* Let the driver decides */ +#define IW_MODE_ADHOC 1 /* Single cell network */ +#define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */ +#define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */ +#define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */ +#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */ +#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */ + +/* Statistics flags (bitmask in updated) */ +#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */ +#define IW_QUAL_LEVEL_UPDATED 0x02 +#define IW_QUAL_NOISE_UPDATED 0x04 +#define IW_QUAL_ALL_UPDATED 0x07 +#define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */ +#define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */ +#define IW_QUAL_LEVEL_INVALID 0x20 +#define IW_QUAL_NOISE_INVALID 0x40 +#define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */ +#define IW_QUAL_ALL_INVALID 0x70 + +/* Frequency flags */ +#define IW_FREQ_AUTO 0x00 /* Let the driver decides */ +#define IW_FREQ_FIXED 0x01 /* Force a specific value */ + +/* Maximum number of size of encoding token available + * they are listed in the range structure */ +#define IW_MAX_ENCODING_SIZES 8 + +/* Maximum size of the encoding token in bytes */ +#define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */ + +/* Flags for encoding (along with the token) */ +#define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */ +#define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */ +#define IW_ENCODE_MODE 0xF000 /* Modes defined below */ +#define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */ +#define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */ +#define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */ +#define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */ +#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */ +#define IW_ENCODE_TEMP 0x0400 /* Temporary key */ + +/* Power management flags available (along with the value, if any) */ +#define IW_POWER_ON 0x0000 /* No details... */ +#define IW_POWER_TYPE 0xF000 /* Type of parameter */ +#define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */ +#define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */ +#define IW_POWER_SAVING 0x4000 /* Value is relative (how aggressive)*/ +#define IW_POWER_MODE 0x0F00 /* Power Management mode */ +#define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */ +#define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */ +#define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */ +#define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */ +#define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */ +#define IW_POWER_MODIFIER 0x000F /* Modify a parameter */ +#define IW_POWER_MIN 0x0001 /* Value is a minimum */ +#define IW_POWER_MAX 0x0002 /* Value is a maximum */ +#define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ + +/* Transmit Power flags available */ +#define IW_TXPOW_TYPE 0x00FF /* Type of value */ +#define IW_TXPOW_DBM 0x0000 /* Value is in dBm */ +#define IW_TXPOW_MWATT 0x0001 /* Value is in mW */ +#define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */ +#define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */ + +/* Retry limits and lifetime flags available */ +#define IW_RETRY_ON 0x0000 /* No details... */ +#define IW_RETRY_TYPE 0xF000 /* Type of parameter */ +#define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/ +#define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */ +#define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */ +#define IW_RETRY_MIN 0x0001 /* Value is a minimum */ +#define IW_RETRY_MAX 0x0002 /* Value is a maximum */ +#define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ +#define IW_RETRY_SHORT 0x0010 /* Value is for short packets */ +#define IW_RETRY_LONG 0x0020 /* Value is for long packets */ + +/* Scanning request flags */ +#define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */ +#define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */ +#define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */ +#define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */ +#define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */ +#define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */ +#define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */ +#define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */ +#define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */ +/* struct iw_scan_req scan_type */ +#define IW_SCAN_TYPE_ACTIVE 0 +#define IW_SCAN_TYPE_PASSIVE 1 +/* Maximum size of returned data */ +#define IW_SCAN_MAX_DATA 4096 /* In bytes */ + +/* Max number of char in custom event - use multiple of them if needed */ +#define IW_CUSTOM_MAX 256 /* In bytes */ + +/* Generic information element */ +#define IW_GENERIC_IE_MAX 1024 + +/* MLME requests (SIOCSIWMLME / struct iw_mlme) */ +#define IW_MLME_DEAUTH 0 +#define IW_MLME_DISASSOC 1 +#define IW_MLME_AUTH 2 +#define IW_MLME_ASSOC 3 + +/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */ +#define IW_AUTH_INDEX 0x0FFF +#define IW_AUTH_FLAGS 0xF000 +/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095) + * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the + * parameter that is being set/get to; value will be read/written to + * struct iw_param value field) */ +#define IW_AUTH_WPA_VERSION 0 +#define IW_AUTH_CIPHER_PAIRWISE 1 +#define IW_AUTH_CIPHER_GROUP 2 +#define IW_AUTH_KEY_MGMT 3 +#define IW_AUTH_TKIP_COUNTERMEASURES 4 +#define IW_AUTH_DROP_UNENCRYPTED 5 +#define IW_AUTH_80211_AUTH_ALG 6 +#define IW_AUTH_WPA_ENABLED 7 +#define IW_AUTH_RX_UNENCRYPTED_EAPOL 8 +#define IW_AUTH_ROAMING_CONTROL 9 +#define IW_AUTH_PRIVACY_INVOKED 10 + +/* IW_AUTH_WPA_VERSION values (bit field) */ +#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001 +#define IW_AUTH_WPA_VERSION_WPA 0x00000002 +#define IW_AUTH_WPA_VERSION_WPA2 0x00000004 + +/* IW_AUTH_PAIRWISE_CIPHER and IW_AUTH_GROUP_CIPHER values (bit field) */ +#define IW_AUTH_CIPHER_NONE 0x00000001 +#define IW_AUTH_CIPHER_WEP40 0x00000002 +#define IW_AUTH_CIPHER_TKIP 0x00000004 +#define IW_AUTH_CIPHER_CCMP 0x00000008 +#define IW_AUTH_CIPHER_WEP104 0x00000010 + +/* IW_AUTH_KEY_MGMT values (bit field) */ +#define IW_AUTH_KEY_MGMT_802_1X 1 +#define IW_AUTH_KEY_MGMT_PSK 2 + +/* IW_AUTH_80211_AUTH_ALG values (bit field) */ +#define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001 +#define IW_AUTH_ALG_SHARED_KEY 0x00000002 +#define IW_AUTH_ALG_LEAP 0x00000004 + +/* IW_AUTH_ROAMING_CONTROL values */ +#define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */ +#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming + * control */ + +/* SIOCSIWENCODEEXT definitions */ +#define IW_ENCODE_SEQ_MAX_SIZE 8 +/* struct iw_encode_ext ->alg */ +#define IW_ENCODE_ALG_NONE 0 +#define IW_ENCODE_ALG_WEP 1 +#define IW_ENCODE_ALG_TKIP 2 +#define IW_ENCODE_ALG_CCMP 3 +/* struct iw_encode_ext ->ext_flags */ +#define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001 +#define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002 +#define IW_ENCODE_EXT_GROUP_KEY 0x00000004 +#define IW_ENCODE_EXT_SET_TX_KEY 0x00000008 + +/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */ +#define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */ +#define IW_MICFAILURE_GROUP 0x00000004 +#define IW_MICFAILURE_PAIRWISE 0x00000008 +#define IW_MICFAILURE_STAKEY 0x00000010 +#define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported) + */ + +/* Bit field values for enc_capa in struct iw_range */ +#define IW_ENC_CAPA_WPA 0x00000001 +#define IW_ENC_CAPA_WPA2 0x00000002 +#define IW_ENC_CAPA_CIPHER_TKIP 0x00000004 +#define IW_ENC_CAPA_CIPHER_CCMP 0x00000008 + +/* Event capability macros - in (struct iw_range *)->event_capa + * Because we have more than 32 possible events, we use an array of + * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */ +#define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \ + (cmd - SIOCIWFIRSTPRIV + 0x60) : \ + (cmd - SIOCSIWCOMMIT)) +#define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5) +#define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F)) +/* Event capability constants - event autogenerated by the kernel + * This list is valid for most 802.11 devices, customise as needed... */ +#define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \ + IW_EVENT_CAPA_MASK(0x8B06) | \ + IW_EVENT_CAPA_MASK(0x8B1A)) +#define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A)) +/* "Easy" macro to set events in iw_range (less efficient) */ +#define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd)) +#define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; } + +/* Modulations bitmasks */ +#define IW_MODUL_ALL 0x00000000 /* Everything supported */ +#define IW_MODUL_FH 0x00000001 /* Frequency Hopping */ +#define IW_MODUL_DS 0x00000002 /* Original Direct Sequence */ +#define IW_MODUL_CCK 0x00000004 /* 802.11b : 5.5 + 11 Mb/s */ +#define IW_MODUL_11B (IW_MODUL_DS | IW_MODUL_CCK) +#define IW_MODUL_PBCC 0x00000008 /* TI : 5.5 + 11 + 22 Mb/s */ +#define IW_MODUL_OFDM_A 0x00000010 /* 802.11a : 54 Mb/s */ +#define IW_MODUL_11A (IW_MODUL_OFDM_A) +#define IW_MODUL_11AB (IW_MODUL_11B | IW_MODUL_11A) +#define IW_MODUL_OFDM_G 0x00000020 /* 802.11g : 54 Mb/s */ +#define IW_MODUL_11G (IW_MODUL_11B | IW_MODUL_OFDM_G) +#define IW_MODUL_11AG (IW_MODUL_11G | IW_MODUL_11A) +#define IW_MODUL_TURBO 0x00000040 /* ATH : bonding, 108 Mb/s */ +/* In here we should define MIMO stuff. Later... */ +#define IW_MODUL_CUSTOM 0x40000000 /* Driver specific */ + +/* Bitrate flags available */ +#define IW_BITRATE_TYPE 0x00FF /* Type of value */ +#define IW_BITRATE_UNICAST 0x0001 /* Maximum/Fixed unicast bitrate */ +#define IW_BITRATE_BROADCAST 0x0002 /* Fixed broadcast bitrate */ + +/****************************** TYPES ******************************/ + +/* --------------------------- SUBTYPES --------------------------- */ +/* + * Generic format for most parameters that fit in an int + */ +struct iw_param +{ + int32_t value; /* The value of the parameter itself */ + uint8_t fixed; /* Hardware should not use auto select */ + uint8_t disabled; /* Disable the feature */ + uint16_t flags; /* Various specifc flags (if any) */ +}; + +/* + * For all data larger than 16 octets, we need to use a + * pointer to memory allocated in user space. + */ +struct iw_point +{ + void *pointer; /* Pointer to the data (in user space) */ + uint16_t length; /* number of fields or size in bytes */ + uint16_t flags; /* Optional params */ +}; + +/* + * A frequency + * For numbers lower than 10^9, we encode the number in 'm' and + * set 'e' to 0 + * For number greater than 10^9, we divide it by the lowest power + * of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')... + * The power of 10 is in 'e', the result of the division is in 'm'. + */ +struct iw_freq +{ + int32_t m; /* Mantissa */ + int16_t e; /* Exponent */ + uint8_t i; /* List index (when in range struct) */ + uint8_t flags; /* Flags (fixed/auto) */ +}; + +/* + * Quality of the link + */ +struct iw_quality +{ + uint8_t qual; /* link quality (%retries, SNR, + %missed beacons or better...) */ + uint8_t level; /* signal level (dBm) */ + uint8_t noise; /* noise level (dBm) */ + uint8_t updated; /* Flags to know if updated */ +}; + +/* + * Packet discarded in the wireless adapter due to + * "wireless" specific problems... + * Note : the list of counter and statistics in net_device_stats + * is already pretty exhaustive, and you should use that first. + * This is only additional stats... + */ +struct iw_discarded +{ + uint32_t nwid; /* Rx : Wrong nwid/essid */ + uint32_t code; /* Rx : Unable to code/decode (WEP) */ + uint32_t fragment; /* Rx : Can't perform MAC reassembly */ + uint32_t retries; /* Tx : Max MAC retries num reached */ + uint32_t misc; /* Others cases */ +}; + +/* + * Packet/Time period missed in the wireless adapter due to + * "wireless" specific problems... + */ +struct iw_missed +{ + uint32_t beacon; /* Missed beacons/superframe */ +}; + +/* + * Quality range (for spy threshold) + */ +struct iw_thrspy +{ + struct sockaddr addr; /* Source address (hw/mac) */ + struct iw_quality qual; /* Quality of the link */ + struct iw_quality low; /* Low threshold */ + struct iw_quality high; /* High threshold */ +}; + +/* + * Optional data for scan request + * + * Note: these optional parameters are controlling parameters for the + * scanning behavior, these do not apply to getting scan results + * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and + * provide a merged results with all BSSes even if the previous scan + * request limited scanning to a subset, e.g., by specifying an SSID. + * Especially, scan results are required to include an entry for the + * current BSS if the driver is in Managed mode and associated with an AP. + */ +struct iw_scan_req +{ + uint8_t scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */ + uint8_t essid_len; + uint8_t num_channels; /* num entries in channel_list; + * 0 = scan all allowed channels */ + uint8_t flags; /* reserved as padding; use zero, this may + * be used in the future for adding flags + * to request different scan behavior */ + struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or + * individual address of a specific BSS */ + + /* + * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using + * the current ESSID. This allows scan requests for specific ESSID + * without having to change the current ESSID and potentially breaking + * the current association. + */ + uint8_t essid[IW_ESSID_MAX_SIZE]; + + /* + * Optional parameters for changing the default scanning behavior. + * These are based on the MLME-SCAN.request from IEEE Std 802.11. + * TU is 1.024 ms. If these are set to 0, driver is expected to use + * reasonable default values. min_channel_time defines the time that + * will be used to wait for the first reply on each channel. If no + * replies are received, next channel will be scanned after this. If + * replies are received, total time waited on the channel is defined by + * max_channel_time. + */ + uint32_t min_channel_time; /* in TU */ + uint32_t max_channel_time; /* in TU */ + + struct iw_freq channel_list[IW_MAX_FREQUENCIES]; +}; + +/* ------------------------- WPA SUPPORT ------------------------- */ + +/* + * Extended data structure for get/set encoding (this is used with + * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_* + * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and + * only the data contents changes (key data -> this structure, including + * key data). + * + * If the new key is the first group key, it will be set as the default + * TX key. Otherwise, default TX key index is only changed if + * IW_ENCODE_EXT_SET_TX_KEY flag is set. + * + * Key will be changed with SIOCSIWENCODEEXT in all cases except for + * special "change TX key index" operation which is indicated by setting + * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY. + * + * tx_seq/rx_seq are only used when respective + * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal + * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start + * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally + * used only by an Authenticator (AP or an IBSS station) to get the + * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and + * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for + * debugging/testing. + */ +struct iw_encode_ext +{ + uint32_t ext_flags; /* IW_ENCODE_EXT_* */ + uint8_t tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ + uint8_t rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ + struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast + * (group) keys or unicast address for + * individual keys */ + uint16_t alg; /* IW_ENCODE_ALG_* */ + uint16_t key_len; + uint8_t key[0]; +}; + +/* SIOCSIWMLME data */ +struct iw_mlme +{ + uint16_t cmd; /* IW_MLME_* */ + uint16_t reason_code; + struct sockaddr addr; +}; + +/* SIOCSIWPMKSA data */ +#define IW_PMKSA_ADD 1 +#define IW_PMKSA_REMOVE 2 +#define IW_PMKSA_FLUSH 3 + +#define IW_PMKID_LEN 16 + +struct iw_pmksa +{ + uint32_t cmd; /* IW_PMKSA_* */ + struct sockaddr bssid; + uint8_t pmkid[IW_PMKID_LEN]; +}; + +/* IWEVMICHAELMICFAILURE data */ +struct iw_michaelmicfailure +{ + uint32_t flags; + struct sockaddr src_addr; + uint8_t tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ +}; + +/* IWEVPMKIDCAND data */ +#define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */ +struct iw_pmkid_cand +{ + uint32_t flags; /* IW_PMKID_CAND_* */ + uint32_t index; /* the smaller the index, the higher the + * priority */ + struct sockaddr bssid; +}; + +/* ------------------------ WIRELESS STATS ------------------------ */ +/* + * Wireless statistics (used for /proc/net/wireless) + */ +struct iw_statistics +{ + uint16_t status; /* Status + * - device dependent for now */ + + struct iw_quality qual; /* Quality of the link + * (instant/mean/max) */ + struct iw_discarded discard; /* Packet discarded counts */ + struct iw_missed miss; /* Packet missed counts */ +}; + +/* ------------------------ IOCTL REQUEST ------------------------ */ +/* + * This structure defines the payload of an ioctl, and is used + * below. + * + * Note that this structure should fit on the memory footprint + * of iwreq (which is the same as ifreq), which mean a max size of + * 16 octets = 128 bits. Warning, pointers might be 64 bits wide... + * You should check this when increasing the structures defined + * above in this file... + */ +union iwreq_data +{ + /* Config - generic */ + char name[16]; + /* Name : used to verify the presence of wireless extensions. + * Name of the protocol/provider... */ + + struct iw_point essid; /* Extended network name */ + struct iw_param nwid; /* network id (or domain - the cell) */ + struct iw_freq freq; /* frequency or channel : + * 0-1000 = channel + * > 1000 = frequency in Hz */ + + struct iw_param sens; /* signal level threshold */ + struct iw_param bitrate; /* default bit rate */ + struct iw_param txpower; /* default transmit power */ + struct iw_param rts; /* RTS threshold threshold */ + struct iw_param frag; /* Fragmentation threshold */ + uint32_t mode; /* Operation mode */ + struct iw_param retry; /* Retry limits & lifetime */ + + struct iw_point encoding; /* Encoding stuff : tokens */ + struct iw_param power; /* PM duration/timeout */ + struct iw_quality qual; /* Quality part of statistics */ + + struct sockaddr ap_addr; /* Access point address */ + struct sockaddr addr; /* Destination address (hw/mac) */ + + struct iw_param param; /* Other small parameters */ + struct iw_point data; /* Other large parameters */ +}; + +/* + * The structure to exchange data for ioctl. + * This structure is the same as 'struct ifreq', but (re)defined for + * convenience... + * Do I need to remind you about structure size (32 octets) ? + */ +struct iwreq +{ + union + { + char ifrn_name[16]; /* if name, e.g. "eth0" */ + } ifr_ifrn; + + /* Data part (defined just above) */ + union iwreq_data u; +}; + +/* -------------------------- IOCTL DATA -------------------------- */ +/* + * For those ioctl which want to exchange mode data that what could + * fit in the above structure... + */ + +/* + * Range of parameters + */ + +struct iw_range +{ + /* Informative stuff (to choose between different interface) */ + uint32_t throughput; /* To give an idea... */ + /* In theory this value should be the maximum benchmarked + * TCP/IP throughput, because with most of these devices the + * bit rate is meaningless (overhead an co) to estimate how + * fast the connection will go and pick the fastest one. + * I suggest people to play with Netperf or any benchmark... + */ + + /* NWID (or domain id) */ + uint32_t min_nwid; /* Minimal NWID we are able to set */ + uint32_t max_nwid; /* Maximal NWID we are able to set */ + + /* Old Frequency (backward compat - moved lower ) */ + uint16_t old_num_channels; + uint8_t old_num_frequency; + + /* Wireless event capability bitmasks */ + uint32_t event_capa[6]; + + /* signal level threshold range */ + int32_t sensitivity; + + /* Quality of link & SNR stuff */ + /* Quality range (link, level, noise) + * If the quality is absolute, it will be in the range [0 ; max_qual], + * if the quality is dBm, it will be in the range [max_qual ; 0]. + * Don't forget that we use 8 bit arithmetics... */ + struct iw_quality max_qual; /* Quality of the link */ + /* This should contain the average/typical values of the quality + * indicator. This should be the threshold between a "good" and + * a "bad" link (example : monitor going from green to orange). + * Currently, user space apps like quality monitors don't have any + * way to calibrate the measurement. With this, they can split + * the range between 0 and max_qual in different quality level + * (using a geometric subdivision centered on the average). + * I expect that people doing the user space apps will feedback + * us on which value we need to put in each driver... */ + struct iw_quality avg_qual; /* Quality of the link */ + + /* Rates */ + uint8_t num_bitrates; /* Number of entries in the list */ + int32_t bitrate[IW_MAX_BITRATES]; /* list, in bps */ + + /* RTS threshold */ + int32_t min_rts; /* Minimal RTS threshold */ + int32_t max_rts; /* Maximal RTS threshold */ + + /* Frag threshold */ + int32_t min_frag; /* Minimal frag threshold */ + int32_t max_frag; /* Maximal frag threshold */ + + /* Power Management duration & timeout */ + int32_t min_pmp; /* Minimal PM period */ + int32_t max_pmp; /* Maximal PM period */ + int32_t min_pmt; /* Minimal PM timeout */ + int32_t max_pmt; /* Maximal PM timeout */ + uint16_t pmp_flags; /* How to decode max/min PM period */ + uint16_t pmt_flags; /* How to decode max/min PM timeout */ + uint16_t pm_capa; /* What PM options are supported */ + + /* Encoder stuff */ + uint16_t encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */ + uint8_t num_encoding_sizes; /* Number of entry in the list */ + uint8_t max_encoding_tokens; /* Max number of tokens */ + /* For drivers that need a "login/passwd" form */ + uint8_t encoding_login_index; /* token index for login token */ + + /* Transmit power */ + uint16_t txpower_capa; /* What options are supported */ + uint8_t num_txpower; /* Number of entries in the list */ + int32_t txpower[IW_MAX_TXPOWER]; /* list, in bps */ + + /* Wireless Extension version info */ + uint8_t we_version_compiled; /* Must be WIRELESS_EXT */ + uint8_t we_version_source; /* Last update of source */ + + /* Retry limits and lifetime */ + uint16_t retry_capa; /* What retry options are supported */ + uint16_t retry_flags; /* How to decode max/min retry limit */ + uint16_t r_time_flags; /* How to decode max/min retry life */ + int32_t min_retry; /* Minimal number of retries */ + int32_t max_retry; /* Maximal number of retries */ + int32_t min_r_time; /* Minimal retry lifetime */ + int32_t max_r_time; /* Maximal retry lifetime */ + + /* Frequency */ + uint16_t num_channels; /* Number of channels [0; num - 1] */ + uint8_t num_frequency; /* Number of entry in the list */ + struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */ + /* Note : this frequency list doesn't need to fit channel numbers, + * because each entry contain its channel index */ + + uint32_t enc_capa; /* IW_ENC_CAPA_* bit field */ + + /* More power management stuff */ + int32_t min_pms; /* Minimal PM saving */ + int32_t max_pms; /* Maximal PM saving */ + uint16_t pms_flags; /* How to decode max/min PM saving */ + + /* All available modulations for driver (hw may support less) */ + int32_t modul_capa; /* IW_MODUL_* bit field */ + + /* More bitrate stuff */ + uint32_t bitrate_capa; /* Types of bitrates supported */ +}; + +/* + * Private ioctl interface information + */ + +struct iw_priv_args +{ + uint32_t cmd; /* Number of the ioctl to issue */ + uint16_t set_args; /* Type and number of args */ + uint16_t get_args; /* Type and number of args */ + char name[16]; /* Name of the extension */ +}; + +/* ----------------------- WIRELESS EVENTS ----------------------- */ +/* + * Wireless events are carried through the rtnetlink socket to user + * space. They are encapsulated in the IFLA_WIRELESS field of + * a RTM_NEWLINK message. + */ + +/* + * A Wireless Event. Contains basically the same data as the ioctl... + */ +struct iw_event +{ + uint16_t len; /* Real lenght of this stuff */ + uint16_t cmd; /* Wireless IOCTL */ + union iwreq_data u; /* IOCTL fixed payload */ +}; + +/* Size of the Event prefix (including padding and alignement junk) */ +#define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data)) +/* Size of the various events */ +#define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ) +#define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(uint32_t)) +#define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq)) +#define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param)) +#define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr)) +#define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality)) + +/* iw_point events are special. First, the payload (extra data) come at + * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second, + * we omit the pointer, so start at an offset. */ +#define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \ + (char *) NULL) +#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \ + IW_EV_POINT_OFF) + +/* Size of the Event prefix when packed in stream */ +#define IW_EV_LCP_PK_LEN (4) +/* Size of the various events when packed in stream */ +#define IW_EV_CHAR_PK_LEN (IW_EV_LCP_PK_LEN + IFNAMSIZ) +#define IW_EV_UINT_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(uint32_t)) +#define IW_EV_FREQ_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq)) +#define IW_EV_PARAM_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_param)) +#define IW_EV_ADDR_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr)) +#define IW_EV_QUAL_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality)) +#define IW_EV_POINT_PK_LEN (IW_EV_LCP_LEN + 4) + +#endif /* _LINUX_WIRELESS_H */ |