/* * This file implement the Wireless Extensions APIs. * * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> * Copyright (c) 1997-2005 Jean Tourrilhes, All Rights Reserved. * * (As all part of the Linux kernel, this file is GPL) *//************************** DOCUMENTATION **************************//* * API definition : * -------------- * See <linux/wireless.h> for details of the APIs and the rest. * * History : * ------- * * v1 - 5.12.01 - Jean II * o Created this file. * * v2 - 13.12.01 - Jean II * o Move /proc/net/wireless stuff from net/core/dev.c to here * o Make Wireless Extension IOCTLs go through here * o Added iw_handler handling ;-) * o Added standard ioctl description * o Initial dumb commit strategy based on orinoco.c * * v3 - 19.12.01 - Jean II * o Make sure we don't go out of standard_ioctl[] in ioctl_standard_call * o Add event dispatcher function * o Add event description * o Propagate events as rtnetlink IFLA_WIRELESS option * o Generate event on selected SET requests * * v4 - 18.04.02 - Jean II * o Fix stupid off by one in iw_ioctl_description : IW_ESSID_MAX_SIZE + 1 * * v5 - 21.06.02 - Jean II * o Add IW_PRIV_TYPE_ADDR in priv_type_size (+cleanup) * o Reshuffle IW_HEADER_TYPE_XXX to map IW_PRIV_TYPE_XXX changes * o Add IWEVCUSTOM for driver specific event/scanning token * o Turn on WE_STRICT_WRITE by default + kernel warning * o Fix WE_STRICT_WRITE in ioctl_export_private() (32 => iw_num) * o Fix off-by-one in test (extra_size <= IFNAMSIZ) * * v6 - 9.01.03 - Jean II * o Add common spy support : iw_handler_set_spy(), wireless_spy_update() * o Add enhanced spy support : iw_handler_set_thrspy() and event. * o Add WIRELESS_EXT version display in /proc/net/wireless * * v6 - 18.06.04 - Jean II * o Change get_spydata() method for added safety * o Remove spy #ifdef, they are always on -> cleaner code * o Allow any size GET request if user specifies length > max * and if request has IW_DESCR_FLAG_NOMAX flag or is SIOCGIWPRIV * o Start migrating get_wireless_stats to struct iw_handler_def * o Add wmb() in iw_handler_set_spy() for non-coherent archs/cpus * Based on patch from Pavel Roskin <proski@gnu.org> : * o Fix kernel data leak to user space in private handler handling * * v7 - 18.3.05 - Jean II * o Remove (struct iw_point *)->pointer from ev
