diff options
Diffstat (limited to 'drivers/staging/wlan-ng/prism2mgmt.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2mgmt.c | 1322 |
1 files changed, 1322 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c new file mode 100644 index 000000000..013a6240f --- /dev/null +++ b/drivers/staging/wlan-ng/prism2mgmt.c @@ -0,0 +1,1322 @@ +/* src/prism2/driver/prism2mgmt.c +* +* Management request handler functions. +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* 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. +* +* -------------------------------------------------------------------- +* +* The functions in this file handle management requests sent from +* user mode. +* +* Most of these functions have two separate blocks of code that are +* conditional on whether this is a station or an AP. This is used +* to separate out the STA and AP responses to these management primitives. +* It's a choice (good, bad, indifferent?) to have the code in the same +* place so it's clear that the same primitive is implemented in both +* cases but has different behavior. +* +* -------------------------------------------------------------------- +*/ + +#include <linux/if_arp.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/wait.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/wireless.h> +#include <linux/netdevice.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <asm/byteorder.h> +#include <linux/random.h> +#include <linux/usb.h> +#include <linux/bitops.h> + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "hfa384x.h" +#include "prism2mgmt.h" + +/* Converts 802.11 format rate specifications to prism2 */ +#define p80211rate_to_p2bit(n) ((((n)&~BIT(7)) == 2) ? BIT(0) : \ + (((n)&~BIT(7)) == 4) ? BIT(1) : \ + (((n)&~BIT(7)) == 11) ? BIT(2) : \ + (((n)&~BIT(7)) == 22) ? BIT(3) : 0) + +/*---------------------------------------------------------------- +* prism2mgmt_scan +* +* Initiate a scan for BSSs. +* +* This function corresponds to MLME-scan.request and part of +* MLME-scan.confirm. As far as I can tell in the standard, there +* are no restrictions on when a scan.request may be issued. We have +* to handle in whatever state the driver/MAC happen to be. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + struct p80211msg_dot11req_scan *msg = msgp; + u16 roamingmode, word; + int i, timeout; + int istmpenable = 0; + + hfa384x_HostScanRequest_data_t scanreq; + + /* gatekeeper check */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) < + HFA384x_FIRMWARE_VERSION(1, 3, 2)) { + netdev_err(wlandev->netdev, + "HostScan not supported with current firmware (<1.3.2).\n"); + result = 1; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto exit; + } + + memset(&scanreq, 0, sizeof(scanreq)); + + /* save current roaming mode */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_CNFROAMINGMODE, + &roamingmode); + if (result) { + netdev_err(wlandev->netdev, + "getconfig(ROAMMODE) failed. result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + /* drop into mode 3 for the scan */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFROAMINGMODE, + HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM); + if (result) { + netdev_err(wlandev->netdev, + "setconfig(ROAMINGMODE) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + /* active or passive? */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) > + HFA384x_FIRMWARE_VERSION(1, 5, 0)) { + if (msg->scantype.data != P80211ENUM_scantype_active) + word = cpu_to_le16(msg->maxchanneltime.data); + else + word = 0; + + result = + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL, + word); + if (result) { + netdev_warn(wlandev->netdev, + "Passive scan not supported with current firmware. (<1.5.1)\n"); + } + } + + /* set up the txrate to be 2MBPS. Should be fastest basicrate... */ + word = HFA384x_RATEBIT_2; + scanreq.txRate = cpu_to_le16(word); + + /* set up the channel list */ + word = 0; + for (i = 0; i < msg->channellist.data.len; i++) { + u8 channel = msg->channellist.data.data[i]; + + if (channel > 14) + continue; + /* channel 1 is BIT 0 ... channel 14 is BIT 13 */ + word |= (1 << (channel - 1)); + } + scanreq.channelList = cpu_to_le16(word); + + /* set up the ssid, if present. */ + scanreq.ssid.len = cpu_to_le16(msg->ssid.data.len); + memcpy(scanreq.ssid.data, msg->ssid.data.data, msg->ssid.data.len); + + /* Enable the MAC port if it's not already enabled */ + result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word); + if (result) { + netdev_err(wlandev->netdev, + "getconfig(PORTSTATUS) failed. result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + if (word == HFA384x_PORTSTATUS_DISABLED) { + u16 wordbuf[17]; + + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFROAMINGMODE, + HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM); + if (result) { + netdev_err(wlandev->netdev, + "setconfig(ROAMINGMODE) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + /* Construct a bogus SSID and assign it to OwnSSID and + * DesiredSSID + */ + wordbuf[0] = cpu_to_le16(WLAN_SSID_MAXLEN); + get_random_bytes(&wordbuf[1], WLAN_SSID_MAXLEN); + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID, + wordbuf, + HFA384x_RID_CNFOWNSSID_LEN); + if (result) { + netdev_err(wlandev->netdev, "Failed to set OwnSSID.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID, + wordbuf, + HFA384x_RID_CNFDESIREDSSID_LEN); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set DesiredSSID.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + /* bsstype */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFPORTTYPE, + HFA384x_PORTTYPE_IBSS); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set CNFPORTTYPE.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + /* ibss options */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CREATEIBSS, + HFA384x_CREATEIBSS_JOINCREATEIBSS); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set CREATEIBSS.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + result = hfa384x_drvr_enable(hw, 0); + if (result) { + netdev_err(wlandev->netdev, + "drvr_enable(0) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + istmpenable = 1; + } + + /* Figure out our timeout first Kus, then HZ */ + timeout = msg->channellist.data.len * msg->maxchanneltime.data; + timeout = (timeout * HZ) / 1000; + + /* Issue the scan request */ + hw->scanflag = 0; + + result = hfa384x_drvr_setconfig(hw, + HFA384x_RID_HOSTSCAN, &scanreq, + sizeof(hfa384x_HostScanRequest_data_t)); + if (result) { + netdev_err(wlandev->netdev, + "setconfig(SCANREQUEST) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + /* sleep until info frame arrives */ + wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout); + + msg->numbss.status = P80211ENUM_msgitem_status_data_ok; + if (hw->scanflag == -1) + hw->scanflag = 0; + + msg->numbss.data = hw->scanflag; + + hw->scanflag = 0; + + /* Disable port if we temporarily enabled it. */ + if (istmpenable) { + result = hfa384x_drvr_disable(hw, 0); + if (result) { + netdev_err(wlandev->netdev, + "drvr_disable(0) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + } + + /* restore original roaming mode */ + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE, + roamingmode); + if (result) { + netdev_err(wlandev->netdev, + "setconfig(ROAMMODE) failed. result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + result = 0; + msg->resultcode.data = P80211ENUM_resultcode_success; + +exit: + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + return result; +} + +/*---------------------------------------------------------------- +* prism2mgmt_scan_results +* +* Retrieve the BSS description for one of the BSSs identified in +* a scan. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + struct p80211msg_dot11req_scan_results *req; + hfa384x_t *hw = wlandev->priv; + hfa384x_HScanResultSub_t *item = NULL; + + int count; + + req = (struct p80211msg_dot11req_scan_results *) msgp; + + req->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + if (!hw->scanresults) { + netdev_err(wlandev->netdev, + "dot11req_scan_results can only be used after a successful dot11req_scan.\n"); + result = 2; + req->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + goto exit; + } + + count = (hw->scanresults->framelen - 3) / 32; + if (count > HFA384x_SCANRESULT_MAX) + count = HFA384x_SCANRESULT_MAX; + + if (req->bssindex.data >= count) { + pr_debug("requested index (%d) out of range (%d)\n", + req->bssindex.data, count); + result = 2; + req->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + goto exit; + } + + item = &(hw->scanresults->info.hscanresult.result[req->bssindex.data]); + /* signal and noise */ + req->signal.status = P80211ENUM_msgitem_status_data_ok; + req->noise.status = P80211ENUM_msgitem_status_data_ok; + req->signal.data = le16_to_cpu(item->sl); + req->noise.data = le16_to_cpu(item->anl); + + /* BSSID */ + req->bssid.status = P80211ENUM_msgitem_status_data_ok; + req->bssid.data.len = WLAN_BSSID_LEN; + memcpy(req->bssid.data.data, item->bssid, WLAN_BSSID_LEN); + + /* SSID */ + req->ssid.status = P80211ENUM_msgitem_status_data_ok; + req->ssid.data.len = le16_to_cpu(item->ssid.len); + req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN); + memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len); + + /* supported rates */ + for (count = 0; count < 10; count++) + if (item->supprates[count] == 0) + break; + +#define REQBASICRATE(N) \ + do { \ + if ((count >= N) && DOT11_RATE5_ISBASIC_GET( \ + item->supprates[(N)-1])) { \ + req->basicrate ## N .data = item->supprates[(N)-1]; \ + req->basicrate ## N .status = \ + P80211ENUM_msgitem_status_data_ok; \ + } \ + } while (0) + + REQBASICRATE(1); + REQBASICRATE(2); + REQBASICRATE(3); + REQBASICRATE(4); + REQBASICRATE(5); + REQBASICRATE(6); + REQBASICRATE(7); + REQBASICRATE(8); + +#define REQSUPPRATE(N) \ + do { \ + if (count >= N) { \ + req->supprate ## N .data = item->supprates[(N)-1]; \ + req->supprate ## N .status = \ + P80211ENUM_msgitem_status_data_ok; \ + } \ + } while (0) + + REQSUPPRATE(1); + REQSUPPRATE(2); + REQSUPPRATE(3); + REQSUPPRATE(4); + REQSUPPRATE(5); + REQSUPPRATE(6); + REQSUPPRATE(7); + REQSUPPRATE(8); + + /* beacon period */ + req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok; + req->beaconperiod.data = le16_to_cpu(item->bcnint); + + /* timestamps */ + req->timestamp.status = P80211ENUM_msgitem_status_data_ok; + req->timestamp.data = jiffies; + req->localtime.status = P80211ENUM_msgitem_status_data_ok; + req->localtime.data = jiffies; + + /* atim window */ + req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok; + req->ibssatimwindow.data = le16_to_cpu(item->atim); + + /* Channel */ + req->dschannel.status = P80211ENUM_msgitem_status_data_ok; + req->dschannel.data = le16_to_cpu(item->chid); + + /* capinfo bits */ + count = le16_to_cpu(item->capinfo); + req->capinfo.status = P80211ENUM_msgitem_status_data_ok; + req->capinfo.data = count; + + /* privacy flag */ + req->privacy.status = P80211ENUM_msgitem_status_data_ok; + req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count); + + /* cfpollable */ + req->cfpollable.status = P80211ENUM_msgitem_status_data_ok; + req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count); + + /* cfpollreq */ + req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok; + req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count); + + /* bsstype */ + req->bsstype.status = P80211ENUM_msgitem_status_data_ok; + req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ? + P80211ENUM_bsstype_infrastructure : P80211ENUM_bsstype_independent; + + result = 0; + req->resultcode.data = P80211ENUM_resultcode_success; + +exit: + return result; +} + +/*---------------------------------------------------------------- +* prism2mgmt_start +* +* Start a BSS. Any station can do this for IBSS, only AP for ESS. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_start(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + struct p80211msg_dot11req_start *msg = msgp; + + p80211pstrd_t *pstr; + u8 bytebuf[80]; + struct hfa384x_bytestr *p2bytestr = (struct hfa384x_bytestr *) bytebuf; + u16 word; + + wlandev->macmode = WLAN_MACMODE_NONE; + + /* Set the SSID */ + memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data)); + + /*** ADHOC IBSS ***/ + /* see if current f/w is less than 8c3 */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) < + HFA384x_FIRMWARE_VERSION(0, 8, 3)) { + /* Ad-Hoc not quite supported on Prism2 */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto done; + } + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /*** STATION ***/ + /* Set the REQUIRED config items */ + /* SSID */ + pstr = (p80211pstrd_t *) &(msg->ssid.data); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID, + bytebuf, HFA384x_RID_CNFOWNSSID_LEN); + if (result) { + netdev_err(wlandev->netdev, "Failed to set CnfOwnSSID\n"); + goto failed; + } + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID, + bytebuf, + HFA384x_RID_CNFDESIREDSSID_LEN); + if (result) { + netdev_err(wlandev->netdev, "Failed to set CnfDesiredSSID\n"); + goto failed; + } + + /* bsstype - we use the default in the ap firmware */ + /* IBSS port */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0); + + /* beacon period */ + word = msg->beaconperiod.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNint, word); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set beacon period=%d.\n", word); + goto failed; + } + + /* dschannel */ + word = msg->dschannel.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set channel=%d.\n", word); + goto failed; + } + /* Basic rates */ + word = p80211rate_to_p2bit(msg->basicrate1.data); + if (msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate2.data); + + if (msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate3.data); + + if (msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate4.data); + + if (msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate5.data); + + if (msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate6.data); + + if (msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate7.data); + + if (msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->basicrate8.data); + + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set basicrates=%d.\n", word); + goto failed; + } + + /* Operational rates (supprates and txratecontrol) */ + word = p80211rate_to_p2bit(msg->operationalrate1.data); + if (msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate2.data); + + if (msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate3.data); + + if (msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate4.data); + + if (msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate5.data); + + if (msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate6.data); + + if (msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate7.data); + + if (msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok) + word |= p80211rate_to_p2bit(msg->operationalrate8.data); + + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word); + if (result) { + netdev_err(wlandev->netdev, + "Failed to set supprates=%d.\n", word); + goto failed; + } + + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word); + if (result) { + netdev_err(wlandev->netdev, "Failed to set txrates=%d.\n", + word); + goto failed; + } + + /* Set the macmode so the frame setup code knows what to do */ + if (msg->bsstype.data == P80211ENUM_bsstype_independent) { + wlandev->macmode = WLAN_MACMODE_IBSS_STA; + /* lets extend the data length a bit */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304); + } + + /* Enable the Port */ + result = hfa384x_drvr_enable(hw, 0); + if (result) { + netdev_err(wlandev->netdev, + "Enable macport failed, result=%d.\n", result); + goto failed; + } + + msg->resultcode.data = P80211ENUM_resultcode_success; + + goto done; +failed: + pr_debug("Failed to set a config option, result=%d\n", result); + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + +done: + result = 0; + + return result; +} + +/*---------------------------------------------------------------- +* prism2mgmt_readpda +* +* Collect the PDA data and put it in the message. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + struct p80211msg_p2req_readpda *msg = msgp; + int result; + + /* We only support collecting the PDA when in the FWLOAD + * state. + */ + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + netdev_err(wlandev->netdev, + "PDA may only be read in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + } else { + /* Call drvr_readpda(), it handles the auxport enable + * and validating the returned PDA. + */ + result = hfa384x_drvr_readpda(hw, + msg->pda.data, + HFA384x_PDA_LEN_MAX); + if (result) { + netdev_err(wlandev->netdev, + "hfa384x_drvr_readpda() failed, result=%d\n", + result); + + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = + P80211ENUM_msgitem_status_data_ok; + return 0; + } + msg->pda.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + } + + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_ramdl_state +* +* Establishes the beginning/end of a card RAM download session. +* +* It is expected that the ramdl_write() function will be called +* one or more times between the 'enable' and 'disable' calls to +* this function. +* +* Note: This function should not be called when a mac comm port +* is active. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + struct p80211msg_p2req_ramdl_state *msg = msgp; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + netdev_err(wlandev->netdev, + "ramdl_state(): may only be called in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + return 0; + } + + /* + ** Note: Interrupts are locked out if this is an AP and are NOT + ** locked out if this is a station. + */ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + if (msg->enable.data == P80211ENUM_truth_true) { + if (hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data)) { + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + } else { + msg->resultcode.data = P80211ENUM_resultcode_success; + } + } else { + hfa384x_drvr_ramdl_disable(hw); + msg->resultcode.data = P80211ENUM_resultcode_success; + } + + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_ramdl_write +* +* Writes a buffer to the card RAM using the download state. This +* is for writing code to card RAM. To just read or write raw data +* use the aux functions. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + struct p80211msg_p2req_ramdl_write *msg = msgp; + u32 addr; + u32 len; + u8 *buf; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + netdev_err(wlandev->netdev, + "ramdl_write(): may only be called in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + return 0; + } + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + /* first validate the length */ + if (msg->len.data > sizeof(msg->data.data)) { + msg->resultcode.status = + P80211ENUM_resultcode_invalid_parameters; + return 0; + } + /* call the hfa384x function to do the write */ + addr = msg->addr.data; + len = msg->len.data; + buf = msg->data.data; + if (hfa384x_drvr_ramdl_write(hw, addr, buf, len)) + msg->resultcode.data = P80211ENUM_resultcode_refused; + + msg->resultcode.data = P80211ENUM_resultcode_success; + + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_flashdl_state +* +* Establishes the beginning/end of a card Flash download session. +* +* It is expected that the flashdl_write() function will be called +* one or more times between the 'enable' and 'disable' calls to +* this function. +* +* Note: This function should not be called when a mac comm port +* is active. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + struct p80211msg_p2req_flashdl_state *msg = msgp; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + netdev_err(wlandev->netdev, + "flashdl_state(): may only be called in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + return 0; + } + + /* + ** Note: Interrupts are locked out if this is an AP and are NOT + ** locked out if this is a station. + */ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + if (msg->enable.data == P80211ENUM_truth_true) { + if (hfa384x_drvr_flashdl_enable(hw)) { + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + } else { + msg->resultcode.data = P80211ENUM_resultcode_success; + } + } else { + hfa384x_drvr_flashdl_disable(hw); + msg->resultcode.data = P80211ENUM_resultcode_success; + /* NOTE: At this point, the MAC is in the post-reset + * state and the driver is in the fwload state. + * We need to get the MAC back into the fwload + * state. To do this, we set the nsdstate to HWPRESENT + * and then call the ifstate function to redo everything + * that got us into the fwload state. + */ + wlandev->msdstate = WLAN_MSD_HWPRESENT; + result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload); + if (result != P80211ENUM_resultcode_success) { + netdev_err(wlandev->netdev, + "prism2sta_ifstate(fwload) failed, P80211ENUM_resultcode=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + result = -1; + } + } + + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_flashdl_write +* +* +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + struct p80211msg_p2req_flashdl_write *msg = msgp; + u32 addr; + u32 len; + u8 *buf; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + netdev_err(wlandev->netdev, + "flashdl_write(): may only be called in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + return 0; + } + + /* + ** Note: Interrupts are locked out if this is an AP and are NOT + ** locked out if this is a station. + */ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + /* first validate the length */ + if (msg->len.data > sizeof(msg->data.data)) { + msg->resultcode.status = + P80211ENUM_resultcode_invalid_parameters; + return 0; + } + /* call the hfa384x function to do the write */ + addr = msg->addr.data; + len = msg->len.data; + buf = msg->data.data; + if (hfa384x_drvr_flashdl_write(hw, addr, buf, len)) + msg->resultcode.data = P80211ENUM_resultcode_refused; + + msg->resultcode.data = P80211ENUM_resultcode_success; + + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_autojoin +* +* Associate with an ESS. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + int result = 0; + u16 reg; + u16 port_type; + struct p80211msg_lnxreq_autojoin *msg = msgp; + p80211pstrd_t *pstr; + u8 bytebuf[256]; + struct hfa384x_bytestr *p2bytestr = (struct hfa384x_bytestr *) bytebuf; + + wlandev->macmode = WLAN_MACMODE_NONE; + + /* Set the SSID */ + memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data)); + + /* Disable the Port */ + hfa384x_drvr_disable(hw, 0); + + /*** STATION ***/ + /* Set the TxRates */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f); + + /* Set the auth type */ + if (msg->authtype.data == P80211ENUM_authalg_sharedkey) + reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY; + else + reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM; + + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg); + + /* Set the ssid */ + memset(bytebuf, 0, 256); + pstr = (p80211pstrd_t *) &(msg->ssid.data); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID, + bytebuf, + HFA384x_RID_CNFDESIREDSSID_LEN); + port_type = HFA384x_PORTTYPE_BSS; + /* Set the PortType */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type); + + /* Enable the Port */ + hfa384x_drvr_enable(hw, 0); + + /* Set the resultcode */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + + return result; +} + +/*---------------------------------------------------------------- +* prism2mgmt_wlansniff +* +* Start or stop sniffing. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + struct p80211msg_lnxreq_wlansniff *msg = msgp; + + hfa384x_t *hw = wlandev->priv; + u16 word; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + switch (msg->enable.data) { + case P80211ENUM_truth_false: + /* Confirm that we're in monitor mode */ + if (wlandev->netdev->type == ARPHRD_ETHER) { + msg->resultcode.data = + P80211ENUM_resultcode_invalid_parameters; + return 0; + } + /* Disable monitor mode */ + result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE); + if (result) { + pr_debug("failed to disable monitor mode, result=%d\n", + result); + goto failed; + } + /* Disable port 0 */ + result = hfa384x_drvr_disable(hw, 0); + if (result) { + pr_debug + ("failed to disable port 0 after sniffing, result=%d\n", + result); + goto failed; + } + /* Clear the driver state */ + wlandev->netdev->type = ARPHRD_ETHER; + + /* Restore the wepflags */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFWEPFLAGS, + hw->presniff_wepflags); + if (result) { + pr_debug + ("failed to restore wepflags=0x%04x, result=%d\n", + hw->presniff_wepflags, result); + goto failed; + } + + /* Set the port to its prior type and enable (if necessary) */ + if (hw->presniff_port_type != 0) { + word = hw->presniff_port_type; + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFPORTTYPE, + word); + if (result) { + pr_debug + ("failed to restore porttype, result=%d\n", + result); + goto failed; + } + + /* Enable the port */ + result = hfa384x_drvr_enable(hw, 0); + if (result) { + pr_debug("failed to enable port to presniff setting, result=%d\n", + result); + goto failed; + } + } else { + result = hfa384x_drvr_disable(hw, 0); + + } + + netdev_info(wlandev->netdev, "monitor mode disabled\n"); + msg->resultcode.data = P80211ENUM_resultcode_success; + return 0; + case P80211ENUM_truth_true: + /* Disable the port (if enabled), only check Port 0 */ + if (hw->port_enabled[0]) { + if (wlandev->netdev->type == ARPHRD_ETHER) { + /* Save macport 0 state */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_CNFPORTTYPE, + &(hw->presniff_port_type)); + if (result) { + pr_debug + ("failed to read porttype, result=%d\n", + result); + goto failed; + } + /* Save the wepflags state */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_CNFWEPFLAGS, + &(hw->presniff_wepflags)); + if (result) { + pr_debug + ("failed to read wepflags, result=%d\n", + result); + goto failed; + } + hfa384x_drvr_stop(hw); + result = hfa384x_drvr_start(hw); + if (result) { + pr_debug("failed to restart the card for sniffing, result=%d\n", + result); + goto failed; + } + } else { + /* Disable the port */ + result = hfa384x_drvr_disable(hw, 0); + if (result) { + pr_debug("failed to enable port for sniffing, result=%d\n", + result); + goto failed; + } + } + } else { + hw->presniff_port_type = 0; + } + + /* Set the channel we wish to sniff */ + word = msg->channel.data; + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFOWNCHANNEL, + word); + hw->sniff_channel = word; + + if (result) { + pr_debug("failed to set channel %d, result=%d\n", + word, result); + goto failed; + } + + /* Now if we're already sniffing, we can skip the rest */ + if (wlandev->netdev->type != ARPHRD_ETHER) { + /* Set the port type to pIbss */ + word = HFA384x_PORTTYPE_PSUEDOIBSS; + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFPORTTYPE, + word); + if (result) { + pr_debug + ("failed to set porttype %d, result=%d\n", + word, result); + goto failed; + } + if ((msg->keepwepflags.status == + P80211ENUM_msgitem_status_data_ok) + && (msg->keepwepflags.data != + P80211ENUM_truth_true)) { + /* Set the wepflags for no decryption */ + word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT | + HFA384x_WEPFLAGS_DISABLE_RXCRYPT; + result = + hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFWEPFLAGS, + word); + } + + if (result) { + pr_debug + ("failed to set wepflags=0x%04x, result=%d\n", + word, result); + goto failed; + } + } + + /* Do we want to strip the FCS in monitor mode? */ + if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok) + && (msg->stripfcs.data == P80211ENUM_truth_true)) { + hw->sniff_fcs = 0; + } else { + hw->sniff_fcs = 1; + } + + /* Do we want to truncate the packets? */ + if (msg->packet_trunc.status == + P80211ENUM_msgitem_status_data_ok) { + hw->sniff_truncate = msg->packet_trunc.data; + } else { + hw->sniff_truncate = 0; + } + + /* Enable the port */ + result = hfa384x_drvr_enable(hw, 0); + if (result) { + pr_debug + ("failed to enable port for sniffing, result=%d\n", + result); + goto failed; + } + /* Enable monitor mode */ + result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE); + if (result) { + pr_debug("failed to enable monitor mode, result=%d\n", + result); + goto failed; + } + + if (wlandev->netdev->type == ARPHRD_ETHER) + netdev_info(wlandev->netdev, "monitor mode enabled\n"); + + /* Set the driver state */ + /* Do we want the prism2 header? */ + if ((msg->prismheader.status == + P80211ENUM_msgitem_status_data_ok) + && (msg->prismheader.data == P80211ENUM_truth_true)) { + hw->sniffhdr = 0; + wlandev->netdev->type = ARPHRD_IEEE80211_PRISM; + } else + if ((msg->wlanheader.status == + P80211ENUM_msgitem_status_data_ok) + && (msg->wlanheader.data == P80211ENUM_truth_true)) { + hw->sniffhdr = 1; + wlandev->netdev->type = ARPHRD_IEEE80211_PRISM; + } else { + wlandev->netdev->type = ARPHRD_IEEE80211; + } + + msg->resultcode.data = P80211ENUM_resultcode_success; + return 0; + default: + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + return 0; + } + +failed: + msg->resultcode.data = P80211ENUM_resultcode_refused; + return 0; +} |