diff options
Diffstat (limited to 'drivers/staging/wlan-ng/p80211req.c')
| -rw-r--r-- | drivers/staging/wlan-ng/p80211req.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/drivers/staging/wlan-ng/p80211req.c b/drivers/staging/wlan-ng/p80211req.c deleted file mode 100644 index 6ec559ffd2f991..00000000000000 --- a/drivers/staging/wlan-ng/p80211req.c +++ /dev/null @@ -1,223 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) -/* - * - * Request/Indication/MacMgmt interface handling functions - * - * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. - * -------------------------------------------------------------------- - * - * linux-wlan - * - * -------------------------------------------------------------------- - * - * Inquiries regarding the linux-wlan Open Source project can be - * made directly to: - * - * AbsoluteValue Systems Inc. - * info@linux-wlan.com - * http://www.linux-wlan.com - * - * -------------------------------------------------------------------- - * - * Portions of the development of this software were funded by - * Intersil Corporation as part of PRISM(R) chipset product development. - * - * -------------------------------------------------------------------- - * - * This file contains the functions, types, and macros to support the - * MLME request interface that's implemented via the device ioctls. - * - * -------------------------------------------------------------------- - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/skbuff.h> -#include <linux/wireless.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <net/sock.h> -#include <linux/netlink.h> - -#include "p80211types.h" -#include "p80211hdr.h" -#include "p80211mgmt.h" -#include "p80211conv.h" -#include "p80211msg.h" -#include "p80211netdev.h" -#include "p80211ioctl.h" -#include "p80211metadef.h" -#include "p80211metastruct.h" -#include "p80211req.h" - -static void p80211req_handlemsg(struct wlandevice *wlandev, - struct p80211msg *msg); -static void p80211req_mibset_mibget(struct wlandevice *wlandev, - struct p80211msg_dot11req_mibget *mib_msg, - int isget); - -static void p80211req_handle_action(struct wlandevice *wlandev, u32 *data, - int isget, u32 flag) -{ - if (isget) { - if (wlandev->hostwep & flag) - *data = P80211ENUM_truth_true; - else - *data = P80211ENUM_truth_false; - } else { - wlandev->hostwep &= ~flag; - if (*data == P80211ENUM_truth_true) - wlandev->hostwep |= flag; - } -} - -/*---------------------------------------------------------------- - * p80211req_dorequest - * - * Handles an MLME request/confirm message. - * - * Arguments: - * wlandev WLAN device struct - * msgbuf Buffer containing a request message - * - * Returns: - * 0 on success, an errno otherwise - * - * Call context: - * Potentially blocks the caller, so it's a good idea to - * not call this function from an interrupt context. - *---------------------------------------------------------------- - */ -int p80211req_dorequest(struct wlandevice *wlandev, u8 *msgbuf) -{ - struct p80211msg *msg = (struct p80211msg *)msgbuf; - - /* Check to make sure the MSD is running */ - if (!((wlandev->msdstate == WLAN_MSD_HWPRESENT && - msg->msgcode == DIDMSG_LNXREQ_IFSTATE) || - wlandev->msdstate == WLAN_MSD_RUNNING || - wlandev->msdstate == WLAN_MSD_FWLOAD)) { - return -ENODEV; - } - - /* Check Permissions */ - if (!capable(CAP_NET_ADMIN) && - (msg->msgcode != DIDMSG_DOT11REQ_MIBGET)) { - netdev_err(wlandev->netdev, - "%s: only dot11req_mibget allowed for non-root.\n", - wlandev->name); - return -EPERM; - } - - /* Check for busy status */ - if (test_and_set_bit(1, &wlandev->request_pending)) - return -EBUSY; - - /* Allow p80211 to look at msg and handle if desired. */ - /* So far, all p80211 msgs are immediate, no waitq/timer necessary */ - /* This may change. */ - p80211req_handlemsg(wlandev, msg); - - /* Pass it down to wlandev via wlandev->mlmerequest */ - if (wlandev->mlmerequest) - wlandev->mlmerequest(wlandev, msg); - - clear_bit(1, &wlandev->request_pending); - return 0; /* if result==0, msg->status still may contain an err */ -} - -/*---------------------------------------------------------------- - * p80211req_handlemsg - * - * p80211 message handler. Primarily looks for messages that - * belong to p80211 and then dispatches the appropriate response. - * TODO: we don't do anything yet. Once the linuxMIB is better - * defined we'll need a get/set handler. - * - * Arguments: - * wlandev WLAN device struct - * msg message structure - * - * Returns: - * nothing (any results are set in the status field of the msg) - * - * Call context: - * Process thread - *---------------------------------------------------------------- - */ -static void p80211req_handlemsg(struct wlandevice *wlandev, - struct p80211msg *msg) -{ - switch (msg->msgcode) { - case DIDMSG_LNXREQ_HOSTWEP: { - struct p80211msg_lnxreq_hostwep *req = - (struct p80211msg_lnxreq_hostwep *)msg; - wlandev->hostwep &= - ~(HOSTWEP_DECRYPT | HOSTWEP_ENCRYPT); - if (req->decrypt.data == P80211ENUM_truth_true) - wlandev->hostwep |= HOSTWEP_DECRYPT; - if (req->encrypt.data == P80211ENUM_truth_true) - wlandev->hostwep |= HOSTWEP_ENCRYPT; - - break; - } - case DIDMSG_DOT11REQ_MIBGET: - case DIDMSG_DOT11REQ_MIBSET: { - int isget = (msg->msgcode == DIDMSG_DOT11REQ_MIBGET); - struct p80211msg_dot11req_mibget *mib_msg = - (struct p80211msg_dot11req_mibget *)msg; - p80211req_mibset_mibget(wlandev, mib_msg, isget); - break; - } - } /* switch msg->msgcode */ -} - -static void p80211req_mibset_mibget(struct wlandevice *wlandev, - struct p80211msg_dot11req_mibget *mib_msg, - int isget) -{ - struct p80211itemd *mibitem = - (struct p80211itemd *)mib_msg->mibattribute.data; - struct p80211pstrd *pstr = (struct p80211pstrd *)mibitem->data; - u8 *key = mibitem->data + sizeof(struct p80211pstrd); - - switch (mibitem->did) { - case didmib_dot11smt_wepdefaultkeystable_key(1): - case didmib_dot11smt_wepdefaultkeystable_key(2): - case didmib_dot11smt_wepdefaultkeystable_key(3): - case didmib_dot11smt_wepdefaultkeystable_key(4): - if (!isget) - wep_change_key(wlandev, - P80211DID_ITEM(mibitem->did) - 1, - key, pstr->len); - break; - - case DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID: { - u32 *data = (u32 *)mibitem->data; - - if (isget) { - *data = wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK; - } else { - wlandev->hostwep &= ~(HOSTWEP_DEFAULTKEY_MASK); - wlandev->hostwep |= (*data & HOSTWEP_DEFAULTKEY_MASK); - } - break; - } - case DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED: { - u32 *data = (u32 *)mibitem->data; - - p80211req_handle_action(wlandev, data, isget, - HOSTWEP_PRIVACYINVOKED); - break; - } - case DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED: { - u32 *data = (u32 *)mibitem->data; - - p80211req_handle_action(wlandev, data, isget, - HOSTWEP_EXCLUDEUNENCRYPTED); - break; - } - } -} |