diff options
Diffstat (limited to 'drivers/staging/wlan-ng/prism2sta.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2sta.c | 1945 |
1 files changed, 0 insertions, 1945 deletions
diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c deleted file mode 100644 index cb6c7a9fb8f3..000000000000 --- a/drivers/staging/wlan-ng/prism2sta.c +++ /dev/null @@ -1,1945 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) -/* - * - * Implements the station functionality for prism2 - * - * 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 implements the module and linux pcmcia routines for the - * prism2 driver. - * - * -------------------------------------------------------------------- - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/wireless.h> -#include <linux/netdevice.h> -#include <linux/workqueue.h> -#include <linux/byteorder/generic.h> -#include <linux/etherdevice.h> - -#include <linux/io.h> -#include <linux/delay.h> -#include <asm/byteorder.h> -#include <linux/if_arp.h> -#include <linux/if_ether.h> -#include <linux/bitops.h> - -#include "p80211types.h" -#include "p80211hdr.h" -#include "p80211mgmt.h" -#include "p80211conv.h" -#include "p80211msg.h" -#include "p80211netdev.h" -#include "p80211req.h" -#include "p80211metadef.h" -#include "p80211metastruct.h" -#include "hfa384x.h" -#include "prism2mgmt.h" - -static char *dev_info = "prism2_usb"; -static struct wlandevice *create_wlan(void); - -int prism2_reset_holdtime = 30; /* Reset hold time in ms */ -int prism2_reset_settletime = 100; /* Reset settle time in ms */ - -static int prism2_doreset; /* Do a reset at init? */ - -module_param(prism2_doreset, int, 0644); -MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization"); - -module_param(prism2_reset_holdtime, int, 0644); -MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms"); -module_param(prism2_reset_settletime, int, 0644); -MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms"); - -MODULE_LICENSE("Dual MPL/GPL"); - -static int prism2sta_open(struct wlandevice *wlandev); -static int prism2sta_close(struct wlandevice *wlandev); -static void prism2sta_reset(struct wlandevice *wlandev); -static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb, - struct p80211_hdr *p80211_hdr, - struct p80211_metawep *p80211_wep); -static int prism2sta_mlmerequest(struct wlandevice *wlandev, - struct p80211msg *msg); -static int prism2sta_getcardinfo(struct wlandevice *wlandev); -static int prism2sta_globalsetup(struct wlandevice *wlandev); -static int prism2sta_setmulticast(struct wlandevice *wlandev, - struct net_device *dev); -static void prism2sta_inf_tallies(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_scanresults(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_chinforesults(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_linkstatus(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_assocstatus(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_authreq(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); -static void prism2sta_inf_psusercnt(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf); - -/* - * prism2sta_open - * - * WLAN device open method. Called from p80211netdev when kernel - * device open (start) method is called in response to the - * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP - * from clear to set. - * - * Arguments: - * wlandev wlan device structure - * - * Returns: - * 0 success - * >0 f/w reported error - * <0 driver reported error - * - * Side effects: - * - * Call context: - * process thread - */ -static int prism2sta_open(struct wlandevice *wlandev) -{ - /* We don't currently have to do anything else. - * The setup of the MAC should be subsequently completed via - * the mlme commands. - * Higher layers know we're ready from dev->start==1 and - * dev->tbusy==0. Our rx path knows to pass up received/ - * frames because of dev->flags&IFF_UP is true. - */ - - return 0; -} - -/* - * prism2sta_close - * - * WLAN device close method. Called from p80211netdev when kernel - * device close method is called in response to the - * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP - * from set to clear. - * - * Arguments: - * wlandev wlan device structure - * - * Returns: - * 0 success - * >0 f/w reported error - * <0 driver reported error - * - * Side effects: - * - * Call context: - * process thread - */ -static int prism2sta_close(struct wlandevice *wlandev) -{ - /* We don't currently have to do anything else. - * Higher layers know we're not ready from dev->start==0 and - * dev->tbusy==1. Our rx path knows to not pass up received - * frames because of dev->flags&IFF_UP is false. - */ - - return 0; -} - -/* - * prism2sta_reset - * - * Currently not implemented. - * - * Arguments: - * wlandev wlan device structure - * none - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * process thread - */ -static void prism2sta_reset(struct wlandevice *wlandev) -{ -} - -/* - * prism2sta_txframe - * - * Takes a frame from p80211 and queues it for transmission. - * - * Arguments: - * wlandev wlan device structure - * pb packet buffer struct. Contains an 802.11 - * data frame. - * p80211_hdr points to the 802.11 header for the packet. - * Returns: - * 0 Success and more buffs available - * 1 Success but no more buffs - * 2 Allocation failure - * 4 Buffer full or queue busy - * - * Side effects: - * - * Call context: - * process thread - */ -static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb, - struct p80211_hdr *p80211_hdr, - struct p80211_metawep *p80211_wep) -{ - struct hfa384x *hw = wlandev->priv; - - /* If necessary, set the 802.11 WEP bit */ - if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) == - HOSTWEP_PRIVACYINVOKED) { - p80211_hdr->frame_control |= cpu_to_le16(WLAN_SET_FC_ISWEP(1)); - } - - return hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep); -} - -/* - * prism2sta_mlmerequest - * - * wlan command message handler. All we do here is pass the message - * over to the prism2sta_mgmt_handler. - * - * Arguments: - * wlandev wlan device structure - * msg wlan command message - * Returns: - * 0 success - * <0 successful acceptance of message, but we're - * waiting for an async process to finish before - * we're done with the msg. When the asynch - * process is done, we'll call the p80211 - * function p80211req_confirm() . - * >0 An error occurred while we were handling - * the message. - * - * Side effects: - * - * Call context: - * process thread - */ -static int prism2sta_mlmerequest(struct wlandevice *wlandev, - struct p80211msg *msg) -{ - struct hfa384x *hw = wlandev->priv; - - int result = 0; - - switch (msg->msgcode) { - case DIDMSG_DOT11REQ_MIBGET: - netdev_dbg(wlandev->netdev, "Received mibget request\n"); - result = prism2mgmt_mibset_mibget(wlandev, msg); - break; - case DIDMSG_DOT11REQ_MIBSET: - netdev_dbg(wlandev->netdev, "Received mibset request\n"); - result = prism2mgmt_mibset_mibget(wlandev, msg); - break; - case DIDMSG_DOT11REQ_SCAN: - netdev_dbg(wlandev->netdev, "Received scan request\n"); - result = prism2mgmt_scan(wlandev, msg); - break; - case DIDMSG_DOT11REQ_SCAN_RESULTS: - netdev_dbg(wlandev->netdev, "Received scan_results request\n"); - result = prism2mgmt_scan_results(wlandev, msg); - break; - case DIDMSG_DOT11REQ_START: - netdev_dbg(wlandev->netdev, "Received mlme start request\n"); - result = prism2mgmt_start(wlandev, msg); - break; - /* - * Prism2 specific messages - */ - case DIDMSG_P2REQ_READPDA: - netdev_dbg(wlandev->netdev, "Received mlme readpda request\n"); - result = prism2mgmt_readpda(wlandev, msg); - break; - case DIDMSG_P2REQ_RAMDL_STATE: - netdev_dbg(wlandev->netdev, - "Received mlme ramdl_state request\n"); - result = prism2mgmt_ramdl_state(wlandev, msg); - break; - case DIDMSG_P2REQ_RAMDL_WRITE: - netdev_dbg(wlandev->netdev, - "Received mlme ramdl_write request\n"); - result = prism2mgmt_ramdl_write(wlandev, msg); - break; - case DIDMSG_P2REQ_FLASHDL_STATE: - netdev_dbg(wlandev->netdev, - "Received mlme flashdl_state request\n"); - result = prism2mgmt_flashdl_state(wlandev, msg); - break; - case DIDMSG_P2REQ_FLASHDL_WRITE: - netdev_dbg(wlandev->netdev, - "Received mlme flashdl_write request\n"); - result = prism2mgmt_flashdl_write(wlandev, msg); - break; - /* - * Linux specific messages - */ - case DIDMSG_LNXREQ_HOSTWEP: - break; /* ignore me. */ - case DIDMSG_LNXREQ_IFSTATE: { - struct p80211msg_lnxreq_ifstate *ifstatemsg; - - netdev_dbg(wlandev->netdev, "Received mlme ifstate request\n"); - ifstatemsg = (struct p80211msg_lnxreq_ifstate *)msg; - result = prism2sta_ifstate(wlandev, - ifstatemsg->ifstate.data); - ifstatemsg->resultcode.status = - P80211ENUM_msgitem_status_data_ok; - ifstatemsg->resultcode.data = result; - result = 0; - break; - } - case DIDMSG_LNXREQ_WLANSNIFF: - netdev_dbg(wlandev->netdev, - "Received mlme wlansniff request\n"); - result = prism2mgmt_wlansniff(wlandev, msg); - break; - case DIDMSG_LNXREQ_AUTOJOIN: - netdev_dbg(wlandev->netdev, "Received mlme autojoin request\n"); - result = prism2mgmt_autojoin(wlandev, msg); - break; - case DIDMSG_LNXREQ_COMMSQUALITY: { - struct p80211msg_lnxreq_commsquality *qualmsg; - - netdev_dbg(wlandev->netdev, "Received commsquality request\n"); - - qualmsg = (struct p80211msg_lnxreq_commsquality *)msg; - - qualmsg->link.status = P80211ENUM_msgitem_status_data_ok; - qualmsg->level.status = P80211ENUM_msgitem_status_data_ok; - qualmsg->noise.status = P80211ENUM_msgitem_status_data_ok; - - qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss); - qualmsg->level.data = le16_to_cpu(hw->qual.asl_curr_bss); - qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc); - qualmsg->txrate.data = hw->txrate; - - break; - } - default: - netdev_warn(wlandev->netdev, - "Unknown mgmt request message 0x%08x", - msg->msgcode); - break; - } - - return result; -} - -/* - * prism2sta_ifstate - * - * Interface state. This is the primary WLAN interface enable/disable - * handler. Following the driver/load/deviceprobe sequence, this - * function must be called with a state of "enable" before any other - * commands will be accepted. - * - * Arguments: - * wlandev wlan device structure - * msgp ptr to msg buffer - * - * Returns: - * A p80211 message resultcode value. - * - * Side effects: - * - * Call context: - * process thread (usually) - * interrupt - */ -u32 prism2sta_ifstate(struct wlandevice *wlandev, u32 ifstate) -{ - struct hfa384x *hw = wlandev->priv; - u32 result; - - result = P80211ENUM_resultcode_implementation_failure; - - netdev_dbg(wlandev->netdev, "Current MSD state(%d), requesting(%d)\n", - wlandev->msdstate, ifstate); - switch (ifstate) { - case P80211ENUM_ifstate_fwload: - switch (wlandev->msdstate) { - case WLAN_MSD_HWPRESENT: - wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING; - /* - * Initialize the device+driver sufficiently - * for firmware loading. - */ - result = hfa384x_drvr_start(hw); - if (result) { - netdev_err(wlandev->netdev, - "hfa384x_drvr_start() failed,result=%d\n", - (int)result); - result = - P80211ENUM_resultcode_implementation_failure; - wlandev->msdstate = WLAN_MSD_HWPRESENT; - break; - } - wlandev->msdstate = WLAN_MSD_FWLOAD; - result = P80211ENUM_resultcode_success; - break; - case WLAN_MSD_FWLOAD: - hfa384x_cmd_initialize(hw); - result = P80211ENUM_resultcode_success; - break; - case WLAN_MSD_RUNNING: - netdev_warn(wlandev->netdev, - "Cannot enter fwload state from enable state, you must disable first.\n"); - result = P80211ENUM_resultcode_invalid_parameters; - break; - case WLAN_MSD_HWFAIL: - default: - /* probe() had a problem or the msdstate contains - * an unrecognized value, there's nothing we can do. - */ - result = P80211ENUM_resultcode_implementation_failure; - break; - } - break; - case P80211ENUM_ifstate_enable: - switch (wlandev->msdstate) { - case WLAN_MSD_HWPRESENT: - case WLAN_MSD_FWLOAD: - wlandev->msdstate = WLAN_MSD_RUNNING_PENDING; - /* Initialize the device+driver for full - * operation. Note that this might me an FWLOAD - * to RUNNING transition so we must not do a chip - * or board level reset. Note that on failure, - * the MSD state is set to HWPRESENT because we - * can't make any assumptions about the state - * of the hardware or a previous firmware load. - */ - result = hfa384x_drvr_start(hw); - if (result) { - netdev_err(wlandev->netdev, - "hfa384x_drvr_start() failed,result=%d\n", - (int)result); - result = - P80211ENUM_resultcode_implementation_failure; - wlandev->msdstate = WLAN_MSD_HWPRESENT; - break; - } - - result = prism2sta_getcardinfo(wlandev); - if (result) { - netdev_err(wlandev->netdev, - "prism2sta_getcardinfo() failed,result=%d\n", - (int)result); - result = - P80211ENUM_resultcode_implementation_failure; - hfa384x_drvr_stop(hw); - wlandev->msdstate = WLAN_MSD_HWPRESENT; - break; - } - result = prism2sta_globalsetup(wlandev); - if (result) { - netdev_err(wlandev->netdev, - "prism2sta_globalsetup() failed,result=%d\n", - (int)result); - result = - P80211ENUM_resultcode_implementation_failure; - hfa384x_drvr_stop(hw); - wlandev->msdstate = WLAN_MSD_HWPRESENT; - break; - } - wlandev->msdstate = WLAN_MSD_RUNNING; - hw->join_ap = 0; - hw->join_retries = 60; - result = P80211ENUM_resultcode_success; - break; - case WLAN_MSD_RUNNING: - /* Do nothing, we're already in this state. */ - result = P80211ENUM_resultcode_success; - break; - case WLAN_MSD_HWFAIL: - default: - /* probe() had a problem or the msdstate contains - * an unrecognized value, there's nothing we can do. - */ - result = P80211ENUM_resultcode_implementation_failure; - break; - } - break; - case P80211ENUM_ifstate_disable: - switch (wlandev->msdstate) { - case WLAN_MSD_HWPRESENT: - /* Do nothing, we're already in this state. */ - result = P80211ENUM_resultcode_success; - break; - case WLAN_MSD_FWLOAD: - case WLAN_MSD_RUNNING: - wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING; - /* - * TODO: Shut down the MAC completely. Here a chip - * or board level reset is probably called for. - * After a "disable" _all_ results are lost, even - * those from a fwload. - */ - if (!wlandev->hwremoved) - netif_carrier_off(wlandev->netdev); - - hfa384x_drvr_stop(hw); - - wlandev->macmode = WLAN_MACMODE_NONE; - wlandev->msdstate = WLAN_MSD_HWPRESENT; - result = P80211ENUM_resultcode_success; - break; - case WLAN_MSD_HWFAIL: - default: - /* probe() had a problem or the msdstate contains - * an unrecognized value, there's nothing we can do. - */ - result = P80211ENUM_resultcode_implementation_failure; - break; - } - break; - default: - result = P80211ENUM_resultcode_invalid_parameters; - break; - } - - return result; -} - -/* - * prism2sta_getcardinfo - * - * Collect the NICID, firmware version and any other identifiers - * we'd like to have in host-side data structures. - * - * Arguments: - * wlandev wlan device structure - * - * Returns: - * 0 success - * >0 f/w reported error - * <0 driver reported error - * - * Side effects: - * - * Call context: - * Either. - */ -static int prism2sta_getcardinfo(struct wlandevice *wlandev) -{ - int result = 0; - struct hfa384x *hw = wlandev->priv; - u16 temp; - u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN]; - u8 addr[ETH_ALEN]; - - /* Collect version and compatibility info */ - /* Some are critical, some are not */ - /* NIC identity */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY, - &hw->ident_nic, - sizeof(struct hfa384x_compident)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve NICIDENTITY\n"); - goto failed; - } - - /* get all the nic id fields in host byte order */ - le16_to_cpus(&hw->ident_nic.id); - le16_to_cpus(&hw->ident_nic.variant); - le16_to_cpus(&hw->ident_nic.major); - le16_to_cpus(&hw->ident_nic.minor); - - netdev_info(wlandev->netdev, "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); - - /* Primary f/w identity */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY, - &hw->ident_pri_fw, - sizeof(struct hfa384x_compident)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve PRIIDENTITY\n"); - goto failed; - } - - /* get all the private fw id fields in host byte order */ - le16_to_cpus(&hw->ident_pri_fw.id); - le16_to_cpus(&hw->ident_pri_fw.variant); - le16_to_cpus(&hw->ident_pri_fw.major); - le16_to_cpus(&hw->ident_pri_fw.minor); - - netdev_info(wlandev->netdev, "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); - - /* Station (Secondary?) f/w identity */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY, - &hw->ident_sta_fw, - sizeof(struct hfa384x_compident)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve STAIDENTITY\n"); - goto failed; - } - - if (hw->ident_nic.id < 0x8000) { - netdev_err(wlandev->netdev, - "FATAL: Card is not an Intersil Prism2/2.5/3\n"); - result = -1; - goto failed; - } - - /* get all the station fw id fields in host byte order */ - le16_to_cpus(&hw->ident_sta_fw.id); - le16_to_cpus(&hw->ident_sta_fw.variant); - le16_to_cpus(&hw->ident_sta_fw.major); - le16_to_cpus(&hw->ident_sta_fw.minor); - - /* strip out the 'special' variant bits */ - hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14); - hw->ident_sta_fw.variant &= ~((u16)GENMASK(15, 14)); - - if (hw->ident_sta_fw.id == 0x1f) { - netdev_info(wlandev->netdev, - "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 { - netdev_info(wlandev->netdev, - "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); - netdev_err(wlandev->netdev, "Unsupported Tertiary AP firmware loaded!\n"); - goto failed; - } - - /* Compatibility range, Modem supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE, - &hw->cap_sup_mfi, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve MFISUPRANGE\n"); - goto failed; - } - - /* get all the Compatibility range, modem interface supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_sup_mfi.role); - le16_to_cpus(&hw->cap_sup_mfi.id); - le16_to_cpus(&hw->cap_sup_mfi.variant); - le16_to_cpus(&hw->cap_sup_mfi.bottom); - le16_to_cpus(&hw->cap_sup_mfi.top); - - netdev_info(wlandev->netdev, - "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); - - /* Compatibility range, Controller supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE, - &hw->cap_sup_cfi, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve CFISUPRANGE\n"); - goto failed; - } - - /* get all the Compatibility range, controller interface supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_sup_cfi.role); - le16_to_cpus(&hw->cap_sup_cfi.id); - le16_to_cpus(&hw->cap_sup_cfi.variant); - le16_to_cpus(&hw->cap_sup_cfi.bottom); - le16_to_cpus(&hw->cap_sup_cfi.top); - - netdev_info(wlandev->netdev, - "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); - - /* Compatibility range, Primary f/w supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE, - &hw->cap_sup_pri, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve PRISUPRANGE\n"); - goto failed; - } - - /* get all the Compatibility range, primary firmware supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_sup_pri.role); - le16_to_cpus(&hw->cap_sup_pri.id); - le16_to_cpus(&hw->cap_sup_pri.variant); - le16_to_cpus(&hw->cap_sup_pri.bottom); - le16_to_cpus(&hw->cap_sup_pri.top); - - netdev_info(wlandev->netdev, - "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); - - /* Compatibility range, Station f/w supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE, - &hw->cap_sup_sta, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve STASUPRANGE\n"); - goto failed; - } - - /* get all the Compatibility range, station firmware supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_sup_sta.role); - le16_to_cpus(&hw->cap_sup_sta.id); - le16_to_cpus(&hw->cap_sup_sta.variant); - le16_to_cpus(&hw->cap_sup_sta.bottom); - le16_to_cpus(&hw->cap_sup_sta.top); - - if (hw->cap_sup_sta.id == 0x04) { - netdev_info(wlandev->netdev, - "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 { - netdev_info(wlandev->netdev, - "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); - } - - /* Compatibility range, primary f/w actor, CFI supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES, - &hw->cap_act_pri_cfi, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve PRI_CFIACTRANGES\n"); - goto failed; - } - - /* get all the Compatibility range, primary f/w actor, CFI supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_act_pri_cfi.role); - le16_to_cpus(&hw->cap_act_pri_cfi.id); - le16_to_cpus(&hw->cap_act_pri_cfi.variant); - le16_to_cpus(&hw->cap_act_pri_cfi.bottom); - le16_to_cpus(&hw->cap_act_pri_cfi.top); - - netdev_info(wlandev->netdev, - "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); - - /* Compatibility range, sta f/w actor, CFI supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES, - &hw->cap_act_sta_cfi, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve STA_CFIACTRANGES\n"); - goto failed; - } - - /* get all the Compatibility range, station f/w actor, CFI supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_act_sta_cfi.role); - le16_to_cpus(&hw->cap_act_sta_cfi.id); - le16_to_cpus(&hw->cap_act_sta_cfi.variant); - le16_to_cpus(&hw->cap_act_sta_cfi.bottom); - le16_to_cpus(&hw->cap_act_sta_cfi.top); - - netdev_info(wlandev->netdev, - "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); - - /* Compatibility range, sta f/w actor, MFI supplier */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES, - &hw->cap_act_sta_mfi, - sizeof(struct hfa384x_caplevel)); - if (result) { - netdev_err(wlandev->netdev, "Failed to retrieve STA_MFIACTRANGES\n"); - goto failed; - } - - /* get all the Compatibility range, station f/w actor, MFI supplier - * fields in byte order - */ - le16_to_cpus(&hw->cap_act_sta_mfi.role); - le16_to_cpus(&hw->cap_act_sta_mfi.id); - le16_to_cpus(&hw->cap_act_sta_mfi.variant); - le16_to_cpus(&hw->cap_act_sta_mfi.bottom); - le16_to_cpus(&hw->cap_act_sta_mfi.top); - - netdev_info(wlandev->netdev, - "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); - - /* Serial Number */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER, - snum, HFA384x_RID_NICSERIALNUMBER_LEN); - if (!result) { - netdev_info(wlandev->netdev, "Prism2 card SN: %*pE\n", - HFA384x_RID_NICSERIALNUMBER_LEN, snum); - } else { - netdev_err(wlandev->netdev, "Failed to retrieve Prism2 Card SN\n"); - goto failed; - } - - /* Collect the MAC address */ - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR, - addr, ETH_ALEN); - if (result != 0) { - netdev_err(wlandev->netdev, "Failed to retrieve mac address\n"); - goto failed; - } - eth_hw_addr_set(wlandev->netdev, addr); - - /* short preamble is always implemented */ - wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE; - - /* find out if hardware wep is implemented */ - hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp); - if (temp) - wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP; - - /* get the dBm Scaling constant */ - hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp); - hw->dbmadjust = temp; - - /* Only enable scan by default on newer firmware */ - 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; - } - - /* TODO: Set any internally managed config items */ - - goto done; -failed: - netdev_err(wlandev->netdev, "Failed, result=%d\n", result); -done: - return result; -} - -/* - * prism2sta_globalsetup - * - * Set any global RIDs that we want to set at device activation. - * - * Arguments: - * wlandev wlan device structure - * - * Returns: - * 0 success - * >0 f/w reported error - * <0 driver reported error - * - * Side effects: - * - * Call context: - * process thread - */ -static int prism2sta_globalsetup(struct wlandevice *wlandev) -{ - struct hfa384x *hw = wlandev->priv; - - /* Set the maximum frame size */ - return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, - WLAN_DATA_MAXLEN); -} - -static int prism2sta_setmulticast(struct wlandevice *wlandev, - struct net_device *dev) -{ - int result = 0; - struct hfa384x *hw = wlandev->priv; - - u16 promisc; - - /* If we're not ready, what's the point? */ - if (hw->state != HFA384x_STATE_RUNNING) - goto exit; - - if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0) - promisc = P80211ENUM_truth_true; - else - promisc = P80211ENUM_truth_false; - - result = - hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE, - promisc); -exit: - return result; -} - -/* - * prism2sta_inf_tallies - * - * Handles the receipt of a CommTallies info frame. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_tallies(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - __le16 *src16; - u32 *dst; - __le32 *src32; - int i; - int cnt; - - /* - * Determine if these are 16-bit or 32-bit tallies, based on the - * record length of the info record. - */ - - cnt = sizeof(struct hfa384x_comm_tallies_32) / sizeof(u32); - if (inf->framelen > 22) { - dst = (u32 *)&hw->tallies; - src32 = (__le32 *)&inf->info.commtallies32; - for (i = 0; i < cnt; i++, dst++, src32++) - *dst += le32_to_cpu(*src32); - } else { - dst = (u32 *)&hw->tallies; - src16 = (__le16 *)&inf->info.commtallies16; - for (i = 0; i < cnt; i++, dst++, src16++) - *dst += le16_to_cpu(*src16); - } -} - -/* - * prism2sta_inf_scanresults - * - * Handles the receipt of a Scan Results info frame. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_scanresults(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - int nbss; - struct hfa384x_scan_result *sr = &inf->info.scanresult; - int i; - struct hfa384x_join_request_data joinreq; - int result; - - /* Get the number of results, first in bytes, then in results */ - nbss = (inf->framelen * sizeof(u16)) - - sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason); - nbss /= sizeof(struct hfa384x_scan_result_sub); - - /* Print em */ - netdev_dbg(wlandev->netdev, "rx scanresults, reason=%d, nbss=%d:\n", - inf->info.scanresult.scanreason, nbss); - for (i = 0; i < nbss; i++) { - netdev_dbg(wlandev->netdev, "chid=%d anl=%d sl=%d bcnint=%d\n", - sr->result[i].chid, sr->result[i].anl, - sr->result[i].sl, sr->result[i].bcnint); - netdev_dbg(wlandev->netdev, - " capinfo=0x%04x proberesp_rate=%d\n", - sr->result[i].capinfo, sr->result[i].proberesp_rate); - } - /* issue a join request */ - joinreq.channel = sr->result[0].chid; - memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN); - result = hfa384x_drvr_setconfig(hw, - HFA384x_RID_JOINREQUEST, - &joinreq, HFA384x_RID_JOINREQUEST_LEN); - if (result) { - netdev_err(wlandev->netdev, "setconfig(joinreq) failed, result=%d\n", - result); - } -} - -/* - * prism2sta_inf_hostscanresults - * - * Handles the receipt of a Scan Results info frame. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - int nbss; - - nbss = (inf->framelen - 3) / 32; - netdev_dbg(wlandev->netdev, "Received %d hostscan results\n", nbss); - - if (nbss > 32) - nbss = 32; - - kfree(hw->scanresults); - - hw->scanresults = kmemdup(inf, sizeof(*inf), GFP_ATOMIC); - - if (nbss == 0) - nbss = -1; - - /* Notify/wake the sleeping caller. */ - hw->scanflag = nbss; - wake_up_interruptible(&hw->cmdq); -}; - -/* - * prism2sta_inf_chinforesults - * - * Handles the receipt of a Channel Info Results info frame. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_chinforesults(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - unsigned int i, n; - - hw->channel_info.results.scanchannels = - inf->info.chinforesult.scanchannels; - - for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) { - struct hfa384x_ch_info_result_sub *result; - struct hfa384x_ch_info_result_sub *chinforesult; - int chan; - - if (!(hw->channel_info.results.scanchannels & (1 << i))) - continue; - - result = &inf->info.chinforesult.result[n]; - chan = result->chid - 1; - - if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX) - continue; - - chinforesult = &hw->channel_info.results.result[chan]; - chinforesult->chid = chan; - chinforesult->anl = result->anl; - chinforesult->pnl = result->pnl; - chinforesult->active = result->active; - - netdev_dbg(wlandev->netdev, - "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n", - chan + 1, - (chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE) ? - "signal" : "noise", - chinforesult->anl, - chinforesult->pnl, - (chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE) ? 1 : 0); - n++; - } - atomic_set(&hw->channel_info.done, 2); - - hw->channel_info.count = n; -} - -void prism2sta_processing_defer(struct work_struct *data) -{ - struct hfa384x *hw = container_of(data, struct hfa384x, link_bh); - struct wlandevice *wlandev = hw->wlandev; - struct hfa384x_bytestr32 ssid; - int result; - - /* First let's process the auth frames */ - { - struct sk_buff *skb; - struct hfa384x_inf_frame *inf; - - while ((skb = skb_dequeue(&hw->authq))) { - inf = (struct hfa384x_inf_frame *)skb->data; - prism2sta_inf_authreq_defer(wlandev, inf); - } - } - - /* Now let's handle the linkstatus stuff */ - if (hw->link_status == hw->link_status_new) - return; - - hw->link_status = hw->link_status_new; - - switch (hw->link_status) { - case HFA384x_LINK_NOTCONNECTED: - /* I'm currently assuming that this is the initial link - * state. It should only be possible immediately - * following an Enable command. - * Response: - * Block Transmits, Ignore receives of data frames - */ - netif_carrier_off(wlandev->netdev); - - netdev_info(wlandev->netdev, "linkstatus=NOTCONNECTED (unhandled)\n"); - break; - - case HFA384x_LINK_CONNECTED: - /* This one indicates a successful scan/join/auth/assoc. - * When we have the full MLME complement, this event will - * signify successful completion of both mlme_authenticate - * and mlme_associate. State management will get a little - * ugly here. - * Response: - * Indicate authentication and/or association - * Enable Transmits, Receives and pass up data frames - */ - - netif_carrier_on(wlandev->netdev); - - /* If we are joining a specific AP, set our - * state and reset retries - */ - if (hw->join_ap == 1) - hw->join_ap = 2; - hw->join_retries = 60; - - /* Don't call this in monitor mode */ - if (wlandev->netdev->type == ARPHRD_ETHER) { - u16 portstatus; - - netdev_info(wlandev->netdev, "linkstatus=CONNECTED\n"); - - /* For non-usb devices, we can use the sync versions */ - /* Collect the BSSID, and set state to allow tx */ - - result = hfa384x_drvr_getconfig(hw, - HFA384x_RID_CURRENTBSSID, - wlandev->bssid, - WLAN_BSSID_LEN); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_CURRENTBSSID, result); - return; - } - - result = hfa384x_drvr_getconfig(hw, - HFA384x_RID_CURRENTSSID, - &ssid, sizeof(ssid)); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_CURRENTSSID, result); - return; - } - prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid, - (struct p80211pstrd *)&wlandev->ssid); - - /* Collect the port status */ - result = hfa384x_drvr_getconfig16(hw, - HFA384x_RID_PORTSTATUS, - &portstatus); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_PORTSTATUS, result); - return; - } - wlandev->macmode = - (portstatus == HFA384x_PSTATUS_CONN_IBSS) ? - WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA; - - /* signal back up to cfg80211 layer */ - prism2_connect_result(wlandev, P80211ENUM_truth_false); - - /* Get the ball rolling on the comms quality stuff */ - prism2sta_commsqual_defer(&hw->commsqual_bh); - } - break; - - case HFA384x_LINK_DISCONNECTED: - /* This one indicates that our association is gone. We've - * lost connection with the AP and/or been disassociated. - * This indicates that the MAC has completely cleared it's - * associated state. We * should send a deauth indication - * (implying disassoc) up * to the MLME. - * Response: - * Indicate Deauthentication - * Block Transmits, Ignore receives of data frames - */ - if (wlandev->netdev->type == ARPHRD_ETHER) - netdev_info(wlandev->netdev, - "linkstatus=DISCONNECTED (unhandled)\n"); - wlandev->macmode = WLAN_MACMODE_NONE; - - netif_carrier_off(wlandev->netdev); - - /* signal back up to cfg80211 layer */ - prism2_disconnected(wlandev); - - break; - - case HFA384x_LINK_AP_CHANGE: - /* This one indicates that the MAC has decided to and - * successfully completed a change to another AP. We - * should probably implement a reassociation indication - * in response to this one. I'm thinking that the - * p80211 layer needs to be notified in case of - * buffering/queueing issues. User mode also needs to be - * notified so that any BSS dependent elements can be - * updated. - * associated state. We * should send a deauth indication - * (implying disassoc) up * to the MLME. - * Response: - * Indicate Reassociation - * Enable Transmits, Receives and pass up data frames - */ - netdev_info(wlandev->netdev, "linkstatus=AP_CHANGE\n"); - - result = hfa384x_drvr_getconfig(hw, - HFA384x_RID_CURRENTBSSID, - wlandev->bssid, WLAN_BSSID_LEN); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_CURRENTBSSID, result); - return; - } - - result = hfa384x_drvr_getconfig(hw, - HFA384x_RID_CURRENTSSID, - &ssid, sizeof(ssid)); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_CURRENTSSID, result); - return; - } - prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid, - (struct p80211pstrd *)&wlandev->ssid); - - hw->link_status = HFA384x_LINK_CONNECTED; - netif_carrier_on(wlandev->netdev); - - /* signal back up to cfg80211 layer */ - prism2_roamed(wlandev); - - break; - - case HFA384x_LINK_AP_OUTOFRANGE: - /* This one indicates that the MAC has decided that the - * AP is out of range, but hasn't found a better candidate - * so the MAC maintains its "associated" state in case - * we get back in range. We should block transmits and - * receives in this state. Do we need an indication here? - * Probably not since a polling user-mode element would - * get this status from p2PortStatus(FD40). What about - * p80211? - * Response: - * Block Transmits, Ignore receives of data frames - */ - netdev_info(wlandev->netdev, "linkstatus=AP_OUTOFRANGE (unhandled)\n"); - - netif_carrier_off(wlandev->netdev); - - break; - - case HFA384x_LINK_AP_INRANGE: - /* This one indicates that the MAC has decided that the - * AP is back in range. We continue working with our - * existing association. - * Response: - * Enable Transmits, Receives and pass up data frames - */ - netdev_info(wlandev->netdev, "linkstatus=AP_INRANGE\n"); - - hw->link_status = HFA384x_LINK_CONNECTED; - netif_carrier_on(wlandev->netdev); - - break; - - case HFA384x_LINK_ASSOCFAIL: - /* This one is actually a peer to CONNECTED. We've - * requested a join for a given SSID and optionally BSSID. - * We can use this one to indicate authentication and - * association failures. The trick is going to be - * 1) identifying the failure, and 2) state management. - * Response: - * Disable Transmits, Ignore receives of data frames - */ - if (hw->join_ap && --hw->join_retries > 0) { - struct hfa384x_join_request_data joinreq; - - joinreq = hw->joinreq; - /* Send the join request */ - hfa384x_drvr_setconfig(hw, - HFA384x_RID_JOINREQUEST, - &joinreq, - HFA384x_RID_JOINREQUEST_LEN); - netdev_info(wlandev->netdev, - "linkstatus=ASSOCFAIL (re-submitting join)\n"); - } else { - netdev_info(wlandev->netdev, "linkstatus=ASSOCFAIL (unhandled)\n"); - } - - netif_carrier_off(wlandev->netdev); - - /* signal back up to cfg80211 layer */ - prism2_connect_result(wlandev, P80211ENUM_truth_true); - - break; - - default: - /* This is bad, IO port problems? */ - netdev_warn(wlandev->netdev, - "unknown linkstatus=0x%02x\n", hw->link_status); - return; - } - - wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED); -} - -/* - * prism2sta_inf_linkstatus - * - * Handles the receipt of a Link Status info frame. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_linkstatus(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - - hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus); - - schedule_work(&hw->link_bh); -} - -/* - * prism2sta_inf_assocstatus - * - * Handles the receipt of an Association Status info frame. Should - * be present in APs only. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_assocstatus(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - struct hfa384x_assoc_status rec; - int i; - - memcpy(&rec, &inf->info.assocstatus, sizeof(rec)); - le16_to_cpus(&rec.assocstatus); - le16_to_cpus(&rec.reason); - - /* - * Find the address in the list of authenticated stations. - * If it wasn't found, then this address has not been previously - * authenticated and something weird has happened if this is - * anything other than an "authentication failed" message. - * If the address was found, then set the "associated" flag for - * that station, based on whether the station is associating or - * losing its association. Something weird has also happened - * if we find the address in the list of authenticated stations - * but we are getting an "authentication failed" message. - */ - - for (i = 0; i < hw->authlist.cnt; i++) - if (ether_addr_equal(rec.sta_addr, hw->authlist.addr[i])) - break; - - if (i >= hw->authlist.cnt) { - if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL) - netdev_warn(wlandev->netdev, - "assocstatus info frame received for non-authenticated station.\n"); - } else { - hw->authlist.assoc[i] = - (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC || - rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC); - - if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL) - netdev_warn(wlandev->netdev, - "authfail assocstatus info frame received for authenticated station.\n"); - } -} - -/* - * prism2sta_inf_authreq - * - * Handles the receipt of an Authentication Request info frame. Should - * be present in APs only. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - * - */ -static void prism2sta_inf_authreq(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - struct sk_buff *skb; - - skb = dev_alloc_skb(sizeof(*inf)); - if (skb) { - skb_put(skb, sizeof(*inf)); - memcpy(skb->data, inf, sizeof(*inf)); - skb_queue_tail(&hw->authq, skb); - schedule_work(&hw->link_bh); - } -} - -static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - struct hfa384x_authenticate_station_data rec; - - int i, added, result, cnt; - u8 *addr; - - /* - * Build the AuthenticateStation record. Initialize it for denying - * authentication. - */ - - ether_addr_copy(rec.address, inf->info.authreq.sta_addr); - rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure); - - /* - * Authenticate based on the access mode. - */ - - switch (hw->accessmode) { - case WLAN_ACCESS_NONE: - - /* - * Deny all new authentications. However, if a station - * is ALREADY authenticated, then accept it. - */ - - for (i = 0; i < hw->authlist.cnt; i++) - if (ether_addr_equal(rec.address, - hw->authlist.addr[i])) { - rec.status = cpu_to_le16(P80211ENUM_status_successful); - break; - } - - break; - - case WLAN_ACCESS_ALL: - - /* - * Allow all authentications. - */ - - rec.status = cpu_to_le16(P80211ENUM_status_successful); - break; - - case WLAN_ACCESS_ALLOW: - - /* - * Only allow the authentication if the MAC address - * is in the list of allowed addresses. - * - * Since this is the interrupt handler, we may be here - * while the access list is in the middle of being - * updated. Choose the list which is currently okay. - * See "prism2mib_priv_accessallow()" for details. - */ - - if (hw->allow.modify == 0) { - cnt = hw->allow.cnt; - addr = hw->allow.addr[0]; - } else { - cnt = hw->allow.cnt1; - addr = hw->allow.addr1[0]; - } - - for (i = 0; i < cnt; i++, addr += ETH_ALEN) - if (ether_addr_equal(rec.address, addr)) { - rec.status = cpu_to_le16(P80211ENUM_status_successful); - break; - } - - break; - - case WLAN_ACCESS_DENY: - - /* - * Allow the authentication UNLESS the MAC address is - * in the list of denied addresses. - * - * Since this is the interrupt handler, we may be here - * while the access list is in the middle of being - * updated. Choose the list which is currently okay. - * See "prism2mib_priv_accessdeny()" for details. - */ - - if (hw->deny.modify == 0) { - cnt = hw->deny.cnt; - addr = hw->deny.addr[0]; - } else { - cnt = hw->deny.cnt1; - addr = hw->deny.addr1[0]; - } - - rec.status = cpu_to_le16(P80211ENUM_status_successful); - - for (i = 0; i < cnt; i++, addr += ETH_ALEN) - if (ether_addr_equal(rec.address, addr)) { - rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure); - break; - } - - break; - } - - /* - * If the authentication is okay, then add the MAC address to the - * list of authenticated stations. Don't add the address if it - * is already in the list. (802.11b does not seem to disallow - * a station from issuing an authentication request when the - * station is already authenticated. Does this sort of thing - * ever happen? We might as well do the check just in case.) - */ - - added = 0; - - if (rec.status == cpu_to_le16(P80211ENUM_status_successful)) { - for (i = 0; i < hw->authlist.cnt; i++) - if (ether_addr_equal(rec.address, - hw->authlist.addr[i])) - break; - - if (i >= hw->authlist.cnt) { - if (hw->authlist.cnt >= WLAN_AUTH_MAX) { - rec.status = cpu_to_le16(P80211ENUM_status_ap_full); - } else { - ether_addr_copy(hw->authlist.addr[hw->authlist.cnt], - rec.address); - hw->authlist.cnt++; - added = 1; - } - } - } - - /* - * Send back the results of the authentication. If this doesn't work, - * then make sure to remove the address from the authenticated list if - * it was added. - */ - - rec.algorithm = inf->info.authreq.algorithm; - - result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA, - &rec, sizeof(rec)); - if (result) { - if (added) - hw->authlist.cnt--; - netdev_err(wlandev->netdev, - "setconfig(authenticatestation) failed, result=%d\n", - result); - } -} - -/* - * prism2sta_inf_psusercnt - * - * Handles the receipt of a PowerSaveUserCount info frame. Should - * be present in APs only. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to info frame (contents in hfa384x order) - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -static void prism2sta_inf_psusercnt(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - struct hfa384x *hw = wlandev->priv; - - hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt); -} - -/* - * prism2sta_ev_info - * - * Handles the Info event. - * - * Arguments: - * wlandev wlan device structure - * inf ptr to a generic info frame - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -void prism2sta_ev_info(struct wlandevice *wlandev, - struct hfa384x_inf_frame *inf) -{ - le16_to_cpus(&inf->infotype); - /* Dispatch */ - switch (inf->infotype) { - case HFA384x_IT_HANDOVERADDR: - netdev_dbg(wlandev->netdev, - "received infoframe:HANDOVER (unhandled)\n"); - break; - case HFA384x_IT_COMMTALLIES: - prism2sta_inf_tallies(wlandev, inf); - break; - case HFA384x_IT_HOSTSCANRESULTS: - prism2sta_inf_hostscanresults(wlandev, inf); - break; - case HFA384x_IT_SCANRESULTS: - prism2sta_inf_scanresults(wlandev, inf); - break; - case HFA384x_IT_CHINFORESULTS: - prism2sta_inf_chinforesults(wlandev, inf); - break; - case HFA384x_IT_LINKSTATUS: - prism2sta_inf_linkstatus(wlandev, inf); - break; - case HFA384x_IT_ASSOCSTATUS: - prism2sta_inf_assocstatus(wlandev, inf); - break; - case HFA384x_IT_AUTHREQ: - prism2sta_inf_authreq(wlandev, inf); - break; - case HFA384x_IT_PSUSERCNT: - prism2sta_inf_psusercnt(wlandev, inf); - break; - case HFA384x_IT_KEYIDCHANGED: - netdev_warn(wlandev->netdev, "Unhandled IT_KEYIDCHANGED\n"); - break; - case HFA384x_IT_ASSOCREQ: - netdev_warn(wlandev->netdev, "Unhandled IT_ASSOCREQ\n"); - break; - case HFA384x_IT_MICFAILURE: - netdev_warn(wlandev->netdev, "Unhandled IT_MICFAILURE\n"); - break; - default: - netdev_warn(wlandev->netdev, - "Unknown info type=0x%02x\n", inf->infotype); - break; - } -} - -/* - * prism2sta_ev_tx - * - * Handles the Tx event. - * - * Arguments: - * wlandev wlan device structure - * status tx frame status word - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -void prism2sta_ev_tx(struct wlandevice *wlandev, u16 status) -{ - netdev_dbg(wlandev->netdev, "Tx Complete, status=0x%04x\n", status); - /* update linux network stats */ - wlandev->netdev->stats.tx_packets++; -} - -/* - * prism2sta_ev_alloc - * - * Handles the Alloc event. - * - * Arguments: - * wlandev wlan device structure - * - * Returns: - * nothing - * - * Side effects: - * - * Call context: - * interrupt - */ -void prism2sta_ev_alloc(struct wlandevice *wlandev) -{ - netif_wake_queue(wlandev->netdev); -} - -/* - * create_wlan - * - * Called at module init time. This creates the struct wlandevice structure - * and initializes it with relevant bits. - * - * Arguments: - * none - * - * Returns: - * the created struct wlandevice structure. - * - * Side effects: - * also allocates the priv/hw structures. - * - * Call context: - * process thread - * - */ -static struct wlandevice *create_wlan(void) -{ - struct wlandevice *wlandev = NULL; - struct hfa384x *hw = NULL; - - /* Alloc our structures */ - wlandev = kzalloc(sizeof(*wlandev), GFP_KERNEL); - hw = kzalloc(sizeof(*hw), GFP_KERNEL); - - if (!wlandev || !hw) { - kfree(wlandev); - kfree(hw); - return NULL; - } - - /* Initialize the network device object. */ - wlandev->nsdname = dev_info; - wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING; - wlandev->priv = hw; - wlandev->open = prism2sta_open; - wlandev->close = prism2sta_close; - wlandev->reset = prism2sta_reset; - wlandev->txframe = prism2sta_txframe; - wlandev->mlmerequest = prism2sta_mlmerequest; - wlandev->set_multicast_list = prism2sta_setmulticast; - wlandev->tx_timeout = hfa384x_tx_timeout; - - wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN; - - /* Initialize the device private data structure. */ - hw->dot11_desired_bss_type = 1; - - return wlandev; -} - -void prism2sta_commsqual_defer(struct work_struct *data) -{ - struct hfa384x *hw = container_of(data, struct hfa384x, commsqual_bh); - struct wlandevice *wlandev = hw->wlandev; - struct hfa384x_bytestr32 ssid; - struct p80211msg_dot11req_mibget msg; - struct p80211item_uint32 *mibitem = (struct p80211item_uint32 *) - &msg.mibattribute.data; - int result = 0; - - if (hw->wlandev->hwremoved) - return; - - /* we don't care if we're in AP mode */ - if ((wlandev->macmode == WLAN_MACMODE_NONE) || - (wlandev->macmode == WLAN_MACMODE_ESS_AP)) { - return; - } - - /* It only makes sense to poll these in non-IBSS */ - if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) { - result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY, - &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN); - - if (result) { - netdev_err(wlandev->netdev, "error fetching commsqual\n"); - return; - } - - netdev_dbg(wlandev->netdev, "commsqual %d %d %d\n", - le16_to_cpu(hw->qual.cq_curr_bss), - le16_to_cpu(hw->qual.asl_curr_bss), - le16_to_cpu(hw->qual.anl_curr_fc)); - } - - /* Get the signal rate */ - msg.msgcode = DIDMSG_DOT11REQ_MIBGET; - mibitem->did = DIDMIB_P2_MAC_CURRENTTXRATE; - result = p80211req_dorequest(wlandev, (u8 *)&msg); - - if (result) { - netdev_dbg(wlandev->netdev, - "get signal rate failed, result = %d\n", result); - return; - } - - switch (mibitem->data) { - case HFA384x_RATEBIT_1: - hw->txrate = 10; - break; - case HFA384x_RATEBIT_2: - hw->txrate = 20; - break; - case HFA384x_RATEBIT_5dot5: - hw->txrate = 55; - break; - case HFA384x_RATEBIT_11: - hw->txrate = 110; - break; - default: - netdev_dbg(wlandev->netdev, "Bad ratebit (%d)\n", - mibitem->data); - } - - /* Lastly, we need to make sure the BSSID didn't change on us */ - result = hfa384x_drvr_getconfig(hw, - HFA384x_RID_CURRENTBSSID, - wlandev->bssid, WLAN_BSSID_LEN); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_CURRENTBSSID, result); - return; - } - - result = hfa384x_drvr_getconfig(hw, - HFA384x_RID_CURRENTSSID, - &ssid, sizeof(ssid)); - if (result) { - netdev_dbg(wlandev->netdev, - "getconfig(0x%02x) failed, result = %d\n", - HFA384x_RID_CURRENTSSID, result); - return; - } - prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid, - (struct p80211pstrd *)&wlandev->ssid); - - /* Reschedule timer */ - mod_timer(&hw->commsqual_timer, jiffies + HZ); -} - -void prism2sta_commsqual_timer(struct timer_list *t) -{ - struct hfa384x *hw = from_timer(hw, t, commsqual_timer); - - schedule_work(&hw->commsqual_bh); -} |