Esempio n. 1
0
static int prism2mib_flag(struct mibrec *mib,
			  int isget,
			  struct wlandevice *wlandev,
			  struct hfa384x *hw,
			  struct p80211msg_dot11req_mibset *msg, void *data)
{
	int result;
	u32 *uint32 = data;
	u8 bytebuf[MIB_TMP_MAXLEN];
	u16 *wordbuf = (u16 *)bytebuf;
	u32 flags;

	result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
	if (result == 0) {
		flags = *wordbuf;
		if (isget) {
			*uint32 = (flags & mib->parm2) ?
			    P80211ENUM_truth_true : P80211ENUM_truth_false;
		} else {
			if ((*uint32) == P80211ENUM_truth_true)
				flags |= mib->parm2;
			else
				flags &= ~mib->parm2;
			*wordbuf = flags;
			result =
			    hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
		}
	}

	return result;
}
Esempio n. 2
0
static int prism2mib_uint32(struct mibrec *mib,
			    int isget,
			    struct wlandevice *wlandev,
			    struct hfa384x *hw,
			    struct p80211msg_dot11req_mibset *msg, void *data)
{
	int result;
	u32 *uint32 = data;
	u8 bytebuf[MIB_TMP_MAXLEN];
	u16 *wordbuf = (u16 *)bytebuf;

	if (isget) {
		result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
		*uint32 = *wordbuf;
	} else {
		*wordbuf = *uint32;
		result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
	}

	return result;
}
Esempio n. 3
0
static int prism2sta_getcardinfo(wlandevice_t *wlandev)
{
	int result = 0;
	hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
	u16 temp;
	u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
	char pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1];

	
	
	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
					&hw->ident_nic,
					sizeof(hfa384x_compident_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve NICIDENTITY\n");
		goto failed;
	}

	
	hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
	hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
	hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
	hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);

	printk(KERN_INFO "ident: nic h/w: id=0x%02x %d.%d.%d\n",
	       hw->ident_nic.id, hw->ident_nic.major,
	       hw->ident_nic.minor, hw->ident_nic.variant);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
					&hw->ident_pri_fw,
					sizeof(hfa384x_compident_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve PRIIDENTITY\n");
		goto failed;
	}

	
	hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
	hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
	hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
	hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);

	printk(KERN_INFO "ident: pri f/w: id=0x%02x %d.%d.%d\n",
	       hw->ident_pri_fw.id, hw->ident_pri_fw.major,
	       hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
					&hw->ident_sta_fw,
					sizeof(hfa384x_compident_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve STAIDENTITY\n");
		goto failed;
	}

	if (hw->ident_nic.id < 0x8000) {
		printk(KERN_ERR
		       "FATAL: Card is not an Intersil Prism2/2.5/3\n");
		result = -1;
		goto failed;
	}

	
	hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
	hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
	hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
	hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);

	
	hw->mm_mods = hw->ident_sta_fw.variant & (BIT(14) | BIT(15));
	hw->ident_sta_fw.variant &= ~((u16) (BIT(14) | BIT(15)));

	if (hw->ident_sta_fw.id == 0x1f) {
		printk(KERN_INFO
		       "ident: sta f/w: id=0x%02x %d.%d.%d\n",
		       hw->ident_sta_fw.id, hw->ident_sta_fw.major,
		       hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
	} else {
		printk(KERN_INFO
		       "ident:  ap f/w: id=0x%02x %d.%d.%d\n",
		       hw->ident_sta_fw.id, hw->ident_sta_fw.major,
		       hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
		printk(KERN_ERR "Unsupported Tertiary AP firmeare loaded!\n");
		goto failed;
	}

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
					&hw->cap_sup_mfi,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve MFISUPRANGE\n");
		goto failed;
	}

	
	hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
	hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
	hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
	hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
	hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);

	printk(KERN_INFO
	       "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
	       hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
	       hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
	       hw->cap_sup_mfi.top);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
					&hw->cap_sup_cfi,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve CFISUPRANGE\n");
		goto failed;
	}

	
	hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
	hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
	hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
	hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
	hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);

	printk(KERN_INFO
	       "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
	       hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
	       hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
	       hw->cap_sup_cfi.top);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
					&hw->cap_sup_pri,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve PRISUPRANGE\n");
		goto failed;
	}

	
	hw->cap_sup_pri.role = le16_to_cpu(hw->cap_sup_pri.role);
	hw->cap_sup_pri.id = le16_to_cpu(hw->cap_sup_pri.id);
	hw->cap_sup_pri.variant = le16_to_cpu(hw->cap_sup_pri.variant);
	hw->cap_sup_pri.bottom = le16_to_cpu(hw->cap_sup_pri.bottom);
	hw->cap_sup_pri.top = le16_to_cpu(hw->cap_sup_pri.top);

	printk(KERN_INFO
	       "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
	       hw->cap_sup_pri.role, hw->cap_sup_pri.id,
	       hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
	       hw->cap_sup_pri.top);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
					&hw->cap_sup_sta,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve STASUPRANGE\n");
		goto failed;
	}

	
	hw->cap_sup_sta.role = le16_to_cpu(hw->cap_sup_sta.role);
	hw->cap_sup_sta.id = le16_to_cpu(hw->cap_sup_sta.id);
	hw->cap_sup_sta.variant = le16_to_cpu(hw->cap_sup_sta.variant);
	hw->cap_sup_sta.bottom = le16_to_cpu(hw->cap_sup_sta.bottom);
	hw->cap_sup_sta.top = le16_to_cpu(hw->cap_sup_sta.top);

	if (hw->cap_sup_sta.id == 0x04) {
		printk(KERN_INFO
		       "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
		       hw->cap_sup_sta.role, hw->cap_sup_sta.id,
		       hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
		       hw->cap_sup_sta.top);
	} else {
		printk(KERN_INFO
		       "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
		       hw->cap_sup_sta.role, hw->cap_sup_sta.id,
		       hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
		       hw->cap_sup_sta.top);
	}

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
					&hw->cap_act_pri_cfi,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve PRI_CFIACTRANGES\n");
		goto failed;
	}

	
	hw->cap_act_pri_cfi.role = le16_to_cpu(hw->cap_act_pri_cfi.role);
	hw->cap_act_pri_cfi.id = le16_to_cpu(hw->cap_act_pri_cfi.id);
	hw->cap_act_pri_cfi.variant = le16_to_cpu(hw->cap_act_pri_cfi.variant);
	hw->cap_act_pri_cfi.bottom = le16_to_cpu(hw->cap_act_pri_cfi.bottom);
	hw->cap_act_pri_cfi.top = le16_to_cpu(hw->cap_act_pri_cfi.top);

	printk(KERN_INFO
	       "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
	       hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
	       hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
	       hw->cap_act_pri_cfi.top);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
					&hw->cap_act_sta_cfi,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve STA_CFIACTRANGES\n");
		goto failed;
	}

	
	hw->cap_act_sta_cfi.role = le16_to_cpu(hw->cap_act_sta_cfi.role);
	hw->cap_act_sta_cfi.id = le16_to_cpu(hw->cap_act_sta_cfi.id);
	hw->cap_act_sta_cfi.variant = le16_to_cpu(hw->cap_act_sta_cfi.variant);
	hw->cap_act_sta_cfi.bottom = le16_to_cpu(hw->cap_act_sta_cfi.bottom);
	hw->cap_act_sta_cfi.top = le16_to_cpu(hw->cap_act_sta_cfi.top);

	printk(KERN_INFO
	       "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
	       hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
	       hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
	       hw->cap_act_sta_cfi.top);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
					&hw->cap_act_sta_mfi,
					sizeof(hfa384x_caplevel_t));
	if (result) {
		printk(KERN_ERR "Failed to retrieve STA_MFIACTRANGES\n");
		goto failed;
	}

	
	hw->cap_act_sta_mfi.role = le16_to_cpu(hw->cap_act_sta_mfi.role);
	hw->cap_act_sta_mfi.id = le16_to_cpu(hw->cap_act_sta_mfi.id);
	hw->cap_act_sta_mfi.variant = le16_to_cpu(hw->cap_act_sta_mfi.variant);
	hw->cap_act_sta_mfi.bottom = le16_to_cpu(hw->cap_act_sta_mfi.bottom);
	hw->cap_act_sta_mfi.top = le16_to_cpu(hw->cap_act_sta_mfi.top);

	printk(KERN_INFO
	       "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
	       hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
	       hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
	       hw->cap_act_sta_mfi.top);

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
					snum, HFA384x_RID_NICSERIALNUMBER_LEN);
	if (!result) {
		wlan_mkprintstr(snum, HFA384x_RID_NICSERIALNUMBER_LEN,
				pstr, sizeof(pstr));
		printk(KERN_INFO "Prism2 card SN: %s\n", pstr);
	} else {
		printk(KERN_ERR "Failed to retrieve Prism2 Card SN\n");
		goto failed;
	}

	
	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
					wlandev->netdev->dev_addr, ETH_ALEN);
	if (result != 0) {
		printk(KERN_ERR "Failed to retrieve mac address\n");
		goto failed;
	}

	
	wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;

	
	hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
	if (temp)
		wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;

	
	hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
	hw->dbmadjust = temp;

	
	if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
				     hw->ident_sta_fw.minor,
				     hw->ident_sta_fw.variant) <
	    HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
		wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
	}

	

	goto done;
failed:
	printk(KERN_ERR "Failed, result=%d\n", result);
done:
	return result;
}
Esempio n. 4
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(struct wlandevice *wlandev, void *msgp)
{
	int result = 0;
	struct hfa384x *hw = wlandev->priv;
	struct p80211msg_dot11req_scan *msg = msgp;
	u16 roamingmode, word;
	int i, timeout;
	int istmpenable = 0;

	struct hfa384x_host_scan_request_data 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 = 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.tx_rate = 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.channel_list = 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) {
		__le16 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(scanreq));
	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;
}
Esempio n. 5
0
/*----------------------------------------------------------------
 * 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(struct wlandevice *wlandev, void *msgp)
{
	int result = 0;
	struct p80211msg_lnxreq_wlansniff *msg = msgp;

	struct hfa384x *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) {
			netdev_dbg(wlandev->netdev,
				   "failed to disable monitor mode, result=%d\n",
				   result);
			goto failed;
		}
		/* Disable port 0 */
		result = hfa384x_drvr_disable(hw, 0);
		if (result) {
			netdev_dbg
			(wlandev->netdev,
			     "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) {
			netdev_dbg
			    (wlandev->netdev,
			     "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) {
				netdev_dbg
				    (wlandev->netdev,
				     "failed to restore porttype, result=%d\n",
				     result);
				goto failed;
			}

			/* Enable the port */
			result = hfa384x_drvr_enable(hw, 0);
			if (result) {
				netdev_dbg(wlandev->netdev,
					   "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) {
					netdev_dbg
					(wlandev->netdev,
					     "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) {
					netdev_dbg
					(wlandev->netdev,
					     "failed to read wepflags, result=%d\n",
					     result);
					goto failed;
				}
				hfa384x_drvr_stop(hw);
				result = hfa384x_drvr_start(hw);
				if (result) {
					netdev_dbg(wlandev->netdev,
						   "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) {
					netdev_dbg(wlandev->netdev,
						   "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) {
			netdev_dbg(wlandev->netdev,
				   "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) {
				netdev_dbg
				    (wlandev->netdev,
				     "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) {
				netdev_dbg
				  (wlandev->netdev,
				   "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) {
			netdev_dbg
			    (wlandev->netdev,
			     "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) {
			netdev_dbg(wlandev->netdev,
				   "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;
}