diff options
Diffstat (limited to 'drivers/staging/wlan-ng/prism2sta.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2sta.c | 2502 |
1 files changed, 2502 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c new file mode 100644 index 000000000000..18aa15f9e417 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2sta.c @@ -0,0 +1,2502 @@ +/* src/prism2/driver/prism2sta.c +* +* Implements the station functionality for prism2 +* +* 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. +* +* -------------------------------------------------------------------- +* +* This file implements the module and linux pcmcia routines for the +* prism2 driver. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ +#define WLAN_DBVAR prism2_debug + +#include "version.h" + + +#include <linux/version.h> + +#include <linux/module.h> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25)) +#include <linux/moduleparam.h> +#endif + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/wireless.h> +#include <linux/netdevice.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include <linux/tqueue.h> +#else +#include <linux/workqueue.h> +#endif + +#include <asm/io.h> +#include <linux/delay.h> +#include <asm/byteorder.h> +#include <linux/if_arp.h> + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#include <pcmcia/version.h> +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> +#include <pcmcia/cisreg.h> +#endif + +#include "wlan_compat.h" + +#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI)) +#include <linux/ioport.h> +#include <linux/pci.h> +#endif + +/*================================================================*/ +/* Project Includes */ + +#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" + +/*================================================================*/ +/* Local Constants */ + +/*================================================================*/ +/* Local Macros */ + +/*================================================================*/ +/* Local Types */ + +/*================================================================*/ +/* Local Static Definitions */ + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#define DRIVER_SUFFIX "_cs" +#elif (WLAN_HOSTIF == WLAN_PLX) +#define DRIVER_SUFFIX "_plx" +typedef char* dev_info_t; +#elif (WLAN_HOSTIF == WLAN_PCI) +#define DRIVER_SUFFIX "_pci" +typedef char* dev_info_t; +#elif (WLAN_HOSTIF == WLAN_USB) +#define DRIVER_SUFFIX "_usb" +typedef char* dev_info_t; +#else +#error "HOSTIF unsupported or undefined!" +#endif + +static char *version = "prism2" DRIVER_SUFFIX ".o: " WLAN_RELEASE; +static dev_info_t dev_info = "prism2" DRIVER_SUFFIX; + +#if (WLAN_HOSTIF == WLAN_PLX || WLAN_HOSTIF == WLAN_PCI) +#ifdef CONFIG_PM +static int prism2sta_suspend_pci(struct pci_dev *pdev, pm_message_t state); +static int prism2sta_resume_pci(struct pci_dev *pdev); +#endif +#endif + +#if (WLAN_HOSTIF == WLAN_PCI) + +#endif /* WLAN_PCI */ + +static wlandevice_t *create_wlan(void); + +/*----------------------------------------------------------------*/ +/* --Module Parameters */ + +int prism2_reset_holdtime=30; /* Reset hold time in ms */ +int prism2_reset_settletime=100; /* Reset settle time in ms */ + +#if (WLAN_HOSTIF == WLAN_USB) +static int prism2_doreset=0; /* Do a reset at init? */ +#else +static int prism2_doreset=1; /* Do a reset at init? */ +int prism2_bap_timeout=1000; /* BAP timeout */ +int prism2_irq_evread_max=20; /* Maximum number of + * ev_reads (loops) + * in irq handler + */ +#endif + +#ifdef WLAN_INCLUDE_DEBUG +int prism2_debug=0; +module_param( prism2_debug, int, 0644); +MODULE_PARM_DESC(prism2_debug, "prism2 debugging"); +#endif + +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"); + +#if (WLAN_HOSTIF != WLAN_USB) +module_param( prism2_bap_timeout, int, 0644); +MODULE_PARM_DESC(prism2_bap_timeout, "BufferAccessPath Timeout in 10*n us"); +module_param( prism2_irq_evread_max, int, 0644); +MODULE_PARM_DESC( prism2_irq_evread_max, "Maximim number of event reads in interrupt handler"); +#endif + +MODULE_LICENSE("Dual MPL/GPL"); + +/*================================================================*/ +/* Local Function Declarations */ + +static int prism2sta_open(wlandevice_t *wlandev); +static int prism2sta_close(wlandevice_t *wlandev); +static void prism2sta_reset(wlandevice_t *wlandev ); +static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep); +static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg); +static int prism2sta_getcardinfo(wlandevice_t *wlandev); +static int prism2sta_globalsetup(wlandevice_t *wlandev); +static int prism2sta_setmulticast(wlandevice_t *wlandev, + netdevice_t *dev); + +static void prism2sta_inf_handover( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_tallies( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_hostscanresults( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_scanresults( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_chinforesults( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_linkstatus( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_assocstatus( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_authreq( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_authreq_defer( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_psusercnt( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); + +#ifdef CONFIG_PROC_FS +static int +prism2sta_proc_read( + char *page, + char **start, + off_t offset, + int count, + int *eof, + void *data); +#endif + +/*================================================================*/ +/* Function Definitions */ + +/*---------------------------------------------------------------- +* dmpmem +* +* Debug utility function to dump memory to the kernel debug log. +* +* Arguments: +* buf ptr data we want dumped +* len length of data +* +* Returns: +* nothing +* Side effects: +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +inline void dmpmem(void *buf, int n) +{ + int c; + for ( c= 0; c < n; c++) { + if ( (c % 16) == 0 ) printk(KERN_DEBUG"dmp[%d]: ", c); + printk("%02x ", ((UINT8*)buf)[c]); + if ( (c % 16) == 15 ) printk("\n"); + } + if ( (c % 16) != 0 ) printk("\n"); +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev) +{ + DBFENTER; + +#ifdef ANCIENT_MODULE_CODE + MOD_INC_USE_COUNT; +#endif + + /* 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. + */ + + DBFEXIT; + 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(wlandevice_t *wlandev) +{ + DBFENTER; + +#ifdef ANCIENT_MODULE_CODE + MOD_DEC_USE_COUNT; +#endif + + /* 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. + */ + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2sta_reset +* +* Not currently implented. +* +* Arguments: +* wlandev wlan device structure +* none +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static void prism2sta_reset(wlandevice_t *wlandev ) +{ + DBFENTER; + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, struct sk_buff *skb, + p80211_hdr_t *p80211_hdr, + p80211_metawep_t *p80211_wep) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + int result; + DBFENTER; + + /* If necessary, set the 802.11 WEP bit */ + if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) == HOSTWEP_PRIVACYINVOKED) { + p80211_hdr->a3.fc |= host2ieee16(WLAN_SET_FC_ISWEP(1)); + } + + result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, p80211msg_t *msg) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + int result = 0; + DBFENTER; + + switch( msg->msgcode ) + { + case DIDmsg_dot11req_mibget : + WLAN_LOG_DEBUG(2,"Received mibget request\n"); + result = prism2mgmt_mibset_mibget(wlandev, msg); + break; + case DIDmsg_dot11req_mibset : + WLAN_LOG_DEBUG(2,"Received mibset request\n"); + result = prism2mgmt_mibset_mibget(wlandev, msg); + break; + case DIDmsg_dot11req_powermgmt : + WLAN_LOG_DEBUG(2,"Received powermgmt request\n"); + result = prism2mgmt_powermgmt(wlandev, msg); + break; + case DIDmsg_dot11req_scan : + WLAN_LOG_DEBUG(2,"Received scan request\n"); + result = prism2mgmt_scan(wlandev, msg); + break; + case DIDmsg_dot11req_scan_results : + WLAN_LOG_DEBUG(2,"Received scan_results request\n"); + result = prism2mgmt_scan_results(wlandev, msg); + break; + case DIDmsg_dot11req_join : + WLAN_LOG_DEBUG(2,"Received join request\n"); + result = prism2mgmt_join(wlandev, msg); + break; + case DIDmsg_dot11req_authenticate : + WLAN_LOG_DEBUG(2,"Received authenticate request\n"); + result = prism2mgmt_authenticate(wlandev, msg); + break; + case DIDmsg_dot11req_deauthenticate : + WLAN_LOG_DEBUG(2,"Received mlme deauthenticate request\n"); + result = prism2mgmt_deauthenticate(wlandev, msg); + break; + case DIDmsg_dot11req_associate : + WLAN_LOG_DEBUG(2,"Received mlme associate request\n"); + result = prism2mgmt_associate(wlandev, msg); + break; + case DIDmsg_dot11req_reassociate : + WLAN_LOG_DEBUG(2,"Received mlme reassociate request\n"); + result = prism2mgmt_reassociate(wlandev, msg); + break; + case DIDmsg_dot11req_disassociate : + WLAN_LOG_DEBUG(2,"Received mlme disassociate request\n"); + result = prism2mgmt_disassociate(wlandev, msg); + break; + case DIDmsg_dot11req_reset : + WLAN_LOG_DEBUG(2,"Received mlme reset request\n"); + result = prism2mgmt_reset(wlandev, msg); + break; + case DIDmsg_dot11req_start : + WLAN_LOG_DEBUG(2,"Received mlme start request\n"); + result = prism2mgmt_start(wlandev, msg); + break; + /* + * Prism2 specific messages + */ + case DIDmsg_p2req_join : + WLAN_LOG_DEBUG(2,"Received p2 join request\n"); + result = prism2mgmt_p2_join(wlandev, msg); + break; + case DIDmsg_p2req_readpda : + WLAN_LOG_DEBUG(2,"Received mlme readpda request\n"); + result = prism2mgmt_readpda(wlandev, msg); + break; + case DIDmsg_p2req_readcis : + WLAN_LOG_DEBUG(2,"Received mlme readcis request\n"); + result = prism2mgmt_readcis(wlandev, msg); + break; + case DIDmsg_p2req_auxport_state : + WLAN_LOG_DEBUG(2,"Received mlme auxport_state request\n"); + result = prism2mgmt_auxport_state(wlandev, msg); + break; + case DIDmsg_p2req_auxport_read : + WLAN_LOG_DEBUG(2,"Received mlme auxport_read request\n"); + result = prism2mgmt_auxport_read(wlandev, msg); + break; + case DIDmsg_p2req_auxport_write : + WLAN_LOG_DEBUG(2,"Received mlme auxport_write request\n"); + result = prism2mgmt_auxport_write(wlandev, msg); + break; + case DIDmsg_p2req_low_level : + WLAN_LOG_DEBUG(2,"Received mlme low_level request\n"); + result = prism2mgmt_low_level(wlandev, msg); + break; + case DIDmsg_p2req_test_command : + WLAN_LOG_DEBUG(2,"Received mlme test_command request\n"); + result = prism2mgmt_test_command(wlandev, msg); + break; + case DIDmsg_p2req_mmi_read : + WLAN_LOG_DEBUG(2,"Received mlme mmi_read request\n"); + result = prism2mgmt_mmi_read(wlandev, msg); + break; + case DIDmsg_p2req_mmi_write : + WLAN_LOG_DEBUG(2,"Received mlme mmi_write request\n"); + result = prism2mgmt_mmi_write(wlandev, msg); + break; + case DIDmsg_p2req_ramdl_state : + WLAN_LOG_DEBUG(2,"Received mlme ramdl_state request\n"); + result = prism2mgmt_ramdl_state(wlandev, msg); + break; + case DIDmsg_p2req_ramdl_write : + WLAN_LOG_DEBUG(2,"Received mlme ramdl_write request\n"); + result = prism2mgmt_ramdl_write(wlandev, msg); + break; + case DIDmsg_p2req_flashdl_state : + WLAN_LOG_DEBUG(2,"Received mlme flashdl_state request\n"); + result = prism2mgmt_flashdl_state(wlandev, msg); + break; + case DIDmsg_p2req_flashdl_write : + WLAN_LOG_DEBUG(2,"Received mlme flashdl_write request\n"); + result = prism2mgmt_flashdl_write(wlandev, msg); + break; + case DIDmsg_p2req_dump_state : + WLAN_LOG_DEBUG(2,"Received mlme dump_state request\n"); + result = prism2mgmt_dump_state(wlandev, msg); + break; + case DIDmsg_p2req_channel_info : + WLAN_LOG_DEBUG(2,"Received mlme channel_info request\n"); + result = prism2mgmt_channel_info(wlandev, msg); + break; + case DIDmsg_p2req_channel_info_results : + WLAN_LOG_DEBUG(2,"Received mlme channel_info_results request\n"); + result = prism2mgmt_channel_info_results(wlandev, msg); + break; + /* + * Linux specific messages + */ + case DIDmsg_lnxreq_hostwep : + break; // ignore me. + case DIDmsg_lnxreq_ifstate : + { + p80211msg_lnxreq_ifstate_t *ifstatemsg; + WLAN_LOG_DEBUG(2,"Received mlme ifstate request\n"); + ifstatemsg = (p80211msg_lnxreq_ifstate_t*)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 : + WLAN_LOG_DEBUG(2,"Received mlme wlansniff request\n"); + result = prism2mgmt_wlansniff(wlandev, msg); + break; + case DIDmsg_lnxreq_autojoin : + WLAN_LOG_DEBUG(2,"Received mlme autojoin request\n"); + result = prism2mgmt_autojoin(wlandev, msg); + break; + case DIDmsg_p2req_enable : + WLAN_LOG_DEBUG(2,"Received mlme enable request\n"); + result = prism2mgmt_enable(wlandev, msg); + break; + case DIDmsg_lnxreq_commsquality: { + p80211msg_lnxreq_commsquality_t *qualmsg; + + WLAN_LOG_DEBUG(2,"Received commsquality request\n"); + + if (hw->ap) + break; + + qualmsg = (p80211msg_lnxreq_commsquality_t*) 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 = hfa384x2host_16(hw->qual.CQ_currBSS); + qualmsg->level.data = hfa384x2host_16(hw->qual.ASL_currBSS); + qualmsg->noise.data = hfa384x2host_16(hw->qual.ANL_currFC); + + break; + } + default: + WLAN_LOG_WARNING("Unknown mgmt request message 0x%08x", msg->msgcode); + break; + } + + DBFEXIT; + 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 +----------------------------------------------------------------*/ +UINT32 prism2sta_ifstate(wlandevice_t *wlandev, UINT32 ifstate) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + UINT32 result; + DBFENTER; + + result = P80211ENUM_resultcode_implementation_failure; + + WLAN_LOG_DEBUG(2, "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. + */ +#if (WLAN_HOSTIF != WLAN_USB) + result=hfa384x_cmd_initialize(hw); +#else + if ((result=hfa384x_drvr_start(hw))) { + WLAN_LOG_ERROR( + "hfa384x_drvr_start() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } +#endif + 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: + WLAN_LOG_WARNING( + "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 + * 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. + */ + if ((result=hfa384x_drvr_start(hw))) { + WLAN_LOG_ERROR( + "hfa384x_drvr_start() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } + + if ((result=prism2sta_getcardinfo(wlandev))) { + WLAN_LOG_ERROR( + "prism2sta_getcardinfo() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + hfa384x_drvr_stop(hw); + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } + if ((result=prism2sta_globalsetup(wlandev))) { + WLAN_LOG_ERROR( + "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; + } + + DBFEXIT; + 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(wlandevice_t *wlandev) +{ + int result = 0; + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + UINT16 temp; + UINT8 snum[HFA384x_RID_NICSERIALNUMBER_LEN]; + char pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1]; + + DBFENTER; + + /* 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(hfa384x_compident_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve NICIDENTITY\n"); + goto failed; + } + + /* get all the nic id fields in host byte order */ + hw->ident_nic.id = hfa384x2host_16(hw->ident_nic.id); + hw->ident_nic.variant = hfa384x2host_16(hw->ident_nic.variant); + hw->ident_nic.major = hfa384x2host_16(hw->ident_nic.major); + hw->ident_nic.minor = hfa384x2host_16(hw->ident_nic.minor); + + WLAN_LOG_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); + + /* Primary f/w identity */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY, + &hw->ident_pri_fw, sizeof(hfa384x_compident_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve PRIIDENTITY\n"); + goto failed; + } + + /* get all the private fw id fields in host byte order */ + hw->ident_pri_fw.id = hfa384x2host_16(hw->ident_pri_fw.id); + hw->ident_pri_fw.variant = hfa384x2host_16(hw->ident_pri_fw.variant); + hw->ident_pri_fw.major = hfa384x2host_16(hw->ident_pri_fw.major); + hw->ident_pri_fw.minor = hfa384x2host_16(hw->ident_pri_fw.minor); + + WLAN_LOG_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); + + /* Station (Secondary?) f/w identity */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY, + &hw->ident_sta_fw, sizeof(hfa384x_compident_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STAIDENTITY\n"); + goto failed; + } + + if (hw->ident_nic.id < 0x8000) { + WLAN_LOG_ERROR("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 */ + hw->ident_sta_fw.id = hfa384x2host_16(hw->ident_sta_fw.id); + hw->ident_sta_fw.variant = hfa384x2host_16(hw->ident_sta_fw.variant); + hw->ident_sta_fw.major = hfa384x2host_16(hw->ident_sta_fw.major); + hw->ident_sta_fw.minor = hfa384x2host_16(hw->ident_sta_fw.minor); + + /* strip out the 'special' variant bits */ + hw->mm_mods = hw->ident_sta_fw.variant & (BIT14 | BIT15); + hw->ident_sta_fw.variant &= ~((UINT16)(BIT14 | BIT15)); + + if ( hw->ident_sta_fw.id == 0x1f ) { + hw->ap = 0; + WLAN_LOG_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 { + hw->ap = 1; + WLAN_LOG_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); + } + + /* Compatibility range, Modem supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE, + &hw->cap_sup_mfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve MFISUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, modem interface supplier + fields in byte order */ + hw->cap_sup_mfi.role = hfa384x2host_16(hw->cap_sup_mfi.role); + hw->cap_sup_mfi.id = hfa384x2host_16(hw->cap_sup_mfi.id); + hw->cap_sup_mfi.variant = hfa384x2host_16(hw->cap_sup_mfi.variant); + hw->cap_sup_mfi.bottom = hfa384x2host_16(hw->cap_sup_mfi.bottom); + hw->cap_sup_mfi.top = hfa384x2host_16(hw->cap_sup_mfi.top); + + WLAN_LOG_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); + + /* Compatibility range, Controller supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE, + &hw->cap_sup_cfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve CFISUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, controller interface supplier + fields in byte order */ + hw->cap_sup_cfi.role = hfa384x2host_16(hw->cap_sup_cfi.role); + hw->cap_sup_cfi.id = hfa384x2host_16(hw->cap_sup_cfi.id); + hw->cap_sup_cfi.variant = hfa384x2host_16(hw->cap_sup_cfi.variant); + hw->cap_sup_cfi.bottom = hfa384x2host_16(hw->cap_sup_cfi.bottom); + hw->cap_sup_cfi.top = hfa384x2host_16(hw->cap_sup_cfi.top); + + WLAN_LOG_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); + + /* Compatibility range, Primary f/w supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE, + &hw->cap_sup_pri, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve PRISUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, primary firmware supplier + fields in byte order */ + hw->cap_sup_pri.role = hfa384x2host_16(hw->cap_sup_pri.role); + hw->cap_sup_pri.id = hfa384x2host_16(hw->cap_sup_pri.id); + hw->cap_sup_pri.variant = hfa384x2host_16(hw->cap_sup_pri.variant); + hw->cap_sup_pri.bottom = hfa384x2host_16(hw->cap_sup_pri.bottom); + hw->cap_sup_pri.top = hfa384x2host_16(hw->cap_sup_pri.top); + + WLAN_LOG_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); + + /* Compatibility range, Station f/w supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE, + &hw->cap_sup_sta, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STASUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, station firmware supplier + fields in byte order */ + hw->cap_sup_sta.role = hfa384x2host_16(hw->cap_sup_sta.role); + hw->cap_sup_sta.id = hfa384x2host_16(hw->cap_sup_sta.id); + hw->cap_sup_sta.variant = hfa384x2host_16(hw->cap_sup_sta.variant); + hw->cap_sup_sta.bottom = hfa384x2host_16(hw->cap_sup_sta.bottom); + hw->cap_sup_sta.top = hfa384x2host_16(hw->cap_sup_sta.top); + + if ( hw->cap_sup_sta.id == 0x04 ) { + WLAN_LOG_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 { + WLAN_LOG_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); + } + + /* Compatibility range, primary f/w actor, CFI supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES, + &hw->cap_act_pri_cfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve PRI_CFIACTRANGES\n"); + goto failed; + } + + /* get all the Compatibility range, primary f/w actor, CFI supplier + fields in byte order */ + hw->cap_act_pri_cfi.role = hfa384x2host_16(hw->cap_act_pri_cfi.role); + hw->cap_act_pri_cfi.id = hfa384x2host_16(hw->cap_act_pri_cfi.id); + hw->cap_act_pri_cfi.variant = hfa384x2host_16(hw->cap_act_pri_cfi.variant); + hw->cap_act_pri_cfi.bottom = hfa384x2host_16(hw->cap_act_pri_cfi.bottom); + hw->cap_act_pri_cfi.top = hfa384x2host_16(hw->cap_act_pri_cfi.top); + + WLAN_LOG_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); + + /* Compatibility range, sta f/w actor, CFI supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES, + &hw->cap_act_sta_cfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STA_CFIACTRANGES\n"); + goto failed; + } + + /* get all the Compatibility range, station f/w actor, CFI supplier + fields in byte order */ + hw->cap_act_sta_cfi.role = hfa384x2host_16(hw->cap_act_sta_cfi.role); + hw->cap_act_sta_cfi.id = hfa384x2host_16(hw->cap_act_sta_cfi.id); + hw->cap_act_sta_cfi.variant = hfa384x2host_16(hw->cap_act_sta_cfi.variant); + hw->cap_act_sta_cfi.bottom = hfa384x2host_16(hw->cap_act_sta_cfi.bottom); + hw->cap_act_sta_cfi.top = hfa384x2host_16(hw->cap_act_sta_cfi.top); + + WLAN_LOG_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); + + /* Compatibility range, sta f/w actor, MFI supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES, + &hw->cap_act_sta_mfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STA_MFIACTRANGES\n"); + goto failed; + } + + /* get all the Compatibility range, station f/w actor, MFI supplier + fields in byte order */ + hw->cap_act_sta_mfi.role = hfa384x2host_16(hw->cap_act_sta_mfi.role); + hw->cap_act_sta_mfi.id = hfa384x2host_16(hw->cap_act_sta_mfi.id); + hw->cap_act_sta_mfi.variant = hfa384x2host_16(hw->cap_act_sta_mfi.variant); + hw->cap_act_sta_mfi.bottom = hfa384x2host_16(hw->cap_act_sta_mfi.bottom); + hw->cap_act_sta_mfi.top = hfa384x2host_16(hw->cap_act_sta_mfi.top); + + WLAN_LOG_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); + + /* Serial Number */ + 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)); + WLAN_LOG_INFO("Prism2 card SN: %s\n", pstr); + } else { + WLAN_LOG_ERROR("Failed to retrieve Prism2 Card SN\n"); + goto failed; + } + + /* Collect the MAC address */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR, + wlandev->netdev->dev_addr, WLAN_ADDR_LEN); + if ( result != 0 ) { + WLAN_LOG_ERROR("Failed to retrieve mac address\n"); + goto failed; + } + + /* 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: + WLAN_LOG_ERROR("Failed, result=%d\n", result); +done: + DBFEXIT; + 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(wlandevice_t *wlandev) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + /* Set the maximum frame size */ + return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, + WLAN_DATA_MAXLEN); +} + +static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev) +{ + int result = 0; + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + UINT16 promisc; + + DBFENTER; + + /* If we're not ready, what's the point? */ + if ( hw->state != HFA384x_STATE_RUNNING ) + goto exit; + + /* If we're an AP, do nothing here */ + if (hw->ap) + 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); + + /* XXX TODO: configure the multicast list */ + // CLEAR_HW_MULTICAST_LIST + // struct dev_mc_list element = dev->mc_list; + // while (element != null) { + // HW_ADD_MULTICAST_ADDR(element->dmi_addr, dmi_addrlen) + // element = element->next; + // } + + exit: + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_handover +* +* Handles the receipt of a Handover info frame. Should only 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_handover(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf) +{ + DBFENTER; + WLAN_LOG_DEBUG(2,"received infoframe:HANDOVER (unhandled)\n"); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + UINT16 *src16; + UINT32 *dst; + UINT32 *src32; + int i; + int cnt; + + DBFENTER; + + /* + ** Determine if these are 16-bit or 32-bit tallies, based on the + ** record length of the info record. + */ + + cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(UINT32); + if (inf->framelen > 22) { + dst = (UINT32 *) &hw->tallies; + src32 = (UINT32 *) &inf->info.commtallies32; + for (i = 0; i < cnt; i++, dst++, src32++) + *dst += hfa384x2host_32(*src32); + } else { + dst = (UINT32 *) &hw->tallies; + src16 = (UINT16 *) &inf->info.commtallies16; + for (i = 0; i < cnt; i++, dst++, src16++) + *dst += hfa384x2host_16(*src16); + } + + DBFEXIT; + + return; +} + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + int nbss; + hfa384x_ScanResult_t *sr = &(inf->info.scanresult); + int i; + hfa384x_JoinRequest_data_t joinreq; + int result; + DBFENTER; + + /* Get the number of results, first in bytes, then in results */ + nbss = (inf->framelen * sizeof(UINT16)) - + sizeof(inf->infotype) - + sizeof(inf->info.scanresult.scanreason); + nbss /= sizeof(hfa384x_ScanResultSub_t); + + /* Print em */ + WLAN_LOG_DEBUG(1,"rx scanresults, reason=%d, nbss=%d:\n", + inf->info.scanresult.scanreason, nbss); + for ( i = 0; i < nbss; i++) { + WLAN_LOG_DEBUG(1, "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); + WLAN_LOG_DEBUG(1, " 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) { + WLAN_LOG_ERROR("setconfig(joinreq) failed, result=%d\n", result); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + int nbss; + DBFENTER; + + nbss = (inf->framelen - 3) / 32; + WLAN_LOG_DEBUG(1, "Received %d hostscan results\n", nbss); + + if (nbss > 32) + nbss = 32; + + if (hw->scanresults) + kfree(hw->scanresults); + + hw->scanresults = kmalloc(sizeof(hfa384x_InfFrame_t), GFP_ATOMIC); + memcpy(hw->scanresults, inf, sizeof(hfa384x_InfFrame_t)); + + if (nbss == 0) + nbss = -1; + + /* Notify/wake the sleeping caller. */ + hw->scanflag = nbss; + wake_up_interruptible(&hw->cmdq); + + DBFEXIT; +}; + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + unsigned int i, n; + + DBFENTER; + hw->channel_info.results.scanchannels = + hfa384x2host_16(inf->info.chinforesult.scanchannels); +#if 0 + memcpy(&inf->info.chinforesult, &hw->channel_info.results, sizeof(hfa384x_ChInfoResult_t)); +#endif + + for (i=0, n=0; i<HFA384x_CHINFORESULT_MAX; i++) { + if (hw->channel_info.results.scanchannels & (1<<i)) { + int channel=hfa384x2host_16(inf->info.chinforesult.result[n].chid)-1; + hfa384x_ChInfoResultSub_t *chinforesult=&hw->channel_info.results.result[channel]; + chinforesult->chid = channel; + chinforesult->anl = hfa384x2host_16(inf->info.chinforesult.result[n].anl); + chinforesult->pnl = hfa384x2host_16(inf->info.chinforesult.result[n].pnl); + chinforesult->active = hfa384x2host_16(inf->info.chinforesult.result[n].active); + WLAN_LOG_DEBUG(2, "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n", + channel+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; + DBFEXIT; + return; +} + +void prism2sta_processing_defer(struct work_struct *data) +{ + hfa384x_t *hw = container_of(data, struct hfa384x, link_bh); + wlandevice_t *wlandev = hw->wlandev; + hfa384x_bytestr32_t ssid; + int result; + + DBFENTER; + /* First let's process the auth frames */ + { + struct sk_buff *skb; + hfa384x_InfFrame_t *inf; + + while ( (skb = skb_dequeue(&hw->authq)) ) { + inf = (hfa384x_InfFrame_t *) skb->data; + prism2sta_inf_authreq_defer(wlandev, inf); + } + + } + + /* Now let's handle the linkstatus stuff */ + if (hw->link_status == hw->link_status_new) + goto failed; + + 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); + + WLAN_LOG_INFO("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 ) { + UINT16 portstatus; + + WLAN_LOG_INFO("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 ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTBSSID, result); + goto failed; + } + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTSSID, + &ssid, sizeof(ssid)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTSSID, result); + goto failed; + } + prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid, + (p80211pstrd_t *) &wlandev->ssid); + + /* Collect the port status */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_PORTSTATUS, &portstatus); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_PORTSTATUS, result); + goto failed; + } + wlandev->macmode = + (portstatus == HFA384x_PSTATUS_CONN_IBSS) ? + WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA; + + /* 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(hw->join_ap == 2) + { + hfa384x_JoinRequest_data_t joinreq; + joinreq = hw->joinreq; + /* Send the join request */ + hfa384x_drvr_setconfig( hw, + HFA384x_RID_JOINREQUEST, + &joinreq, HFA384x_RID_JOINREQUEST_LEN); + WLAN_LOG_INFO("linkstatus=DISCONNECTED (re-submitting join)\n"); + } else { + if (wlandev->netdev->type == ARPHRD_ETHER) + WLAN_LOG_INFO("linkstatus=DISCONNECTED (unhandled)\n"); + } + wlandev->macmode = WLAN_MACMODE_NONE; + + netif_carrier_off(wlandev->netdev); + + 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 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 + */ + WLAN_LOG_INFO("linkstatus=AP_CHANGE\n"); + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTBSSID, + wlandev->bssid, WLAN_BSSID_LEN); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTBSSID, result); + goto failed; + } + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTSSID, + &ssid, sizeof(ssid)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTSSID, result); + goto failed; + } + prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid, + (p80211pstrd_t *) &wlandev->ssid); + + + hw->link_status = HFA384x_LINK_CONNECTED; + netif_carrier_on(wlandev->netdev); + + 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 from p2PortStatus(FD40). What about + * p80211? + * Response: + * Block Transmits, Ignore receives of data frames + */ + WLAN_LOG_INFO("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 + */ + WLAN_LOG_INFO("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) + { + hfa384x_JoinRequest_data_t joinreq; + joinreq = hw->joinreq; + /* Send the join request */ + hfa384x_drvr_setconfig( hw, + HFA384x_RID_JOINREQUEST, + &joinreq, HFA384x_RID_JOINREQUEST_LEN); + WLAN_LOG_INFO("linkstatus=ASSOCFAIL (re-submitting join)\n"); + } else { + WLAN_LOG_INFO("linkstatus=ASSOCFAIL (unhandled)\n"); + } + + netif_carrier_off(wlandev->netdev); + + break; + + default: + /* This is bad, IO port problems? */ + WLAN_LOG_WARNING( + "unknown linkstatus=0x%02x\n", hw->link_status); + goto failed; + break; + } + + wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED); +#ifdef WIRELESS_EXT + p80211wext_event_associated(wlandev, wlandev->linkstatus); +#endif + + failed: + DBFEXIT; +} + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + DBFENTER; + + hw->link_status_new = hfa384x2host_16(inf->info.linkstatus.linkstatus); + + schedule_work(&hw->link_bh); + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + hfa384x_AssocStatus_t rec; + int i; + + DBFENTER; + + memcpy(&rec, &inf->info.assocstatus, sizeof(rec)); + rec.assocstatus = hfa384x2host_16(rec.assocstatus); + rec.reason = hfa384x2host_16(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 (memcmp(rec.sta_addr, hw->authlist.addr[i], WLAN_ADDR_LEN) == 0) + break; + + if (i >= hw->authlist.cnt) { + if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL) + WLAN_LOG_WARNING("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) + WLAN_LOG_WARNING("authfail assocstatus info frame received for authenticated station.\n"); + } + + DBFEXIT; + + return; +} + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + struct sk_buff *skb; + + DBFENTER; + + 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); + } + + DBFEXIT; +} + +static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + hfa384x_authenticateStation_data_t rec; + + int i, added, result, cnt; + UINT8 *addr; + + DBFENTER; + + /* + ** Build the AuthenticateStation record. Initialize it for denying + ** authentication. + */ + + memcpy(rec.address, inf->info.authreq.sta_addr, WLAN_ADDR_LEN); + rec.status = 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 (memcmp(rec.address, hw->authlist.addr[i], + WLAN_ADDR_LEN) == 0) { + rec.status = P80211ENUM_status_successful; + break; + } + + break; + + case WLAN_ACCESS_ALL: + + /* + ** Allow all authentications. + */ + + rec.status = 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 += WLAN_ADDR_LEN) + if (memcmp(rec.address, addr, WLAN_ADDR_LEN) == 0) { + rec.status = 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 = P80211ENUM_status_successful; + + for (i = 0; i < cnt; i++, addr += WLAN_ADDR_LEN) + if (memcmp(rec.address, addr, WLAN_ADDR_LEN) == 0) { + rec.status = 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 == P80211ENUM_status_successful) { + for (i = 0; i < hw->authlist.cnt; i++) + if (memcmp(rec.address, hw->authlist.addr[i], WLAN_ADDR_LEN) == 0) + break; + + if (i >= hw->authlist.cnt) { + if (hw->authlist.cnt >= WLAN_AUTH_MAX) { + rec.status = P80211ENUM_status_ap_full; + } else { + memcpy(hw->authlist.addr[hw->authlist.cnt], + rec.address, WLAN_ADDR_LEN); + 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.status = host2hfa384x_16(rec.status); + rec.algorithm = inf->info.authreq.algorithm; + + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA, + &rec, sizeof(rec)); + if (result) { + if (added) hw->authlist.cnt--; + WLAN_LOG_ERROR("setconfig(authenticatestation) failed, result=%d\n", result); + } + + DBFEXIT; + + return; +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + DBFENTER; + + hw->psusercount = hfa384x2host_16(inf->info.psusercnt.usercnt); + + DBFEXIT; + + return; +} + +/*---------------------------------------------------------------- +* prism2sta_ev_dtim +* +* Handles the DTIM early warning event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_dtim(wlandevice_t *wlandev) +{ +#if 0 + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; +#endif + DBFENTER; + WLAN_LOG_DEBUG(3, "DTIM event, currently unhandled.\n"); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_infdrop +* +* Handles the InfDrop event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_infdrop(wlandevice_t *wlandev) +{ +#if 0 + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; +#endif + DBFENTER; + WLAN_LOG_DEBUG(3, "Info frame dropped due to card mem low.\n"); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf) +{ + DBFENTER; + inf->infotype = hfa384x2host_16(inf->infotype); + /* Dispatch */ + switch ( inf->infotype ) { + case HFA384x_IT_HANDOVERADDR: + prism2sta_inf_handover(wlandev, inf); + 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: + WLAN_LOG_WARNING("Unhandled IT_KEYIDCHANGED\n"); + break; + case HFA384x_IT_ASSOCREQ: + WLAN_LOG_WARNING("Unhandled IT_ASSOCREQ\n"); + break; + case HFA384x_IT_MICFAILURE: + WLAN_LOG_WARNING("Unhandled IT_MICFAILURE\n"); + break; + default: + WLAN_LOG_WARNING( + "Unknown info type=0x%02x\n", inf->infotype); + break; + } + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_txexc +* +* Handles the TxExc event. A Transmit Exception event indicates +* that the MAC's TX process was unsuccessful - so the packet did +* not get transmitted. +* +* Arguments: +* wlandev wlan device structure +* status tx frame status word +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_txexc(wlandevice_t *wlandev, UINT16 status) +{ + DBFENTER; + + WLAN_LOG_DEBUG(3, "TxExc status=0x%x.\n", status); + + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* 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(wlandevice_t *wlandev, UINT16 status) +{ + DBFENTER; + WLAN_LOG_DEBUG(4, "Tx Complete, status=0x%04x\n", status); + /* update linux network stats */ + wlandev->linux_stats.tx_packets++; + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_rx +* +* Handles the Rx event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb) +{ + DBFENTER; + + p80211netdev_rx(wlandev, skb); + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2sta_ev_alloc +* +* Handles the Alloc event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_alloc(wlandevice_t *wlandev) +{ + DBFENTER; + + p80211netdev_wake_queue(wlandev); + + DBFEXIT; + return; +} + +#if (WLAN_HOSTIF == WLAN_PLX || WLAN_HOSTIF == WLAN_PCI) +#ifdef CONFIG_PM +static int prism2sta_suspend_pci(struct pci_dev *pdev, pm_message_t state) +{ + wlandevice_t *wlandev; + + wlandev = (wlandevice_t *) pci_get_drvdata(pdev); + + /* reset hardware */ + if (wlandev) { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + p80211_suspend(wlandev); + } + + // call a netif_device_detach(wlandev->netdev) ? + + return 0; +} + +static int prism2sta_resume_pci (struct pci_dev *pdev) +{ + wlandevice_t *wlandev; + + wlandev = (wlandevice_t *) pci_get_drvdata(pdev); + + if (wlandev) { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + p80211_resume(wlandev); + } + + return 0; +} +#endif +#endif + +/*---------------------------------------------------------------- +* create_wlan +* +* Called at module init time. This creates the wlandevice_t structure +* and initializes it with relevant bits. +* +* Arguments: +* none +* +* Returns: +* the created wlandevice_t structure. +* +* Side effects: +* also allocates the priv/hw structures. +* +* Call context: +* process thread +* +----------------------------------------------------------------*/ +static wlandevice_t *create_wlan(void) +{ + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + + /* Alloc our structures */ + wlandev = kmalloc(sizeof(wlandevice_t), GFP_KERNEL); + hw = kmalloc(sizeof(hfa384x_t), GFP_KERNEL); + + if (!wlandev || !hw) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + return NULL; + } + + /* Clear all the structs */ + memset(wlandev, 0, sizeof(wlandevice_t)); + memset(hw, 0, sizeof(hfa384x_t)); + + /* 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; +#ifdef CONFIG_PROC_FS + wlandev->nsd_proc_read = prism2sta_proc_read; +#endif + 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 stucture. */ + hw->dot11_desired_bss_type = 1; + + return wlandev; +} + +#ifdef CONFIG_PROC_FS +static int +prism2sta_proc_read( + char *page, + char **start, + off_t offset, + int count, + int *eof, + void *data) +{ + char *p = page; + wlandevice_t *wlandev = (wlandevice_t *) data; + hfa384x_t *hw = (hfa384x_t *) wlandev->priv; + + UINT16 hwtype = 0; + + DBFENTER; + if (offset != 0) { + *eof = 1; + goto exit; + } + + // XXX 0x0001 for prism2.5/3, 0x0000 for prism2. + hwtype = BIT0; + +#if (WLAN_HOSTIF != WLAN_USB) + if (hw->isram16) + hwtype |= BIT1; +#endif + +#if (WLAN_HOSTIF == WLAN_PCI) + hwtype |= BIT2; +#endif + +#define PRISM2_CVS_ID "$Id: prism2sta.c 1826 2007-03-19 15:37:00Z pizza $" + + p += sprintf(p, "# %s version %s (%s) '%s'\n\n", + dev_info, + WLAN_RELEASE, WLAN_BUILD_DATE, PRISM2_CVS_ID); + + p += sprintf(p, "# 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); + + p += sprintf(p, "# 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); + + if (hw->ident_sta_fw.id == 0x1f) { + p += sprintf(p, "# 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 { + p += sprintf(p, "# 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); + } + +#if (WLAN_HOSTIF != WLAN_USB) + p += sprintf(p, "# initial nic hw type, needed for SSF ramdl\n"); + p += sprintf(p, "initnichw=%04x\n", hwtype); +#endif + + exit: + DBFEXIT; + return (p - page); +} +#endif + +void prism2sta_commsqual_defer(struct work_struct *data) +{ + hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh); + wlandevice_t *wlandev = hw->wlandev; + hfa384x_bytestr32_t ssid; + int result = 0; + + DBFENTER; + + if (hw->wlandev->hwremoved) + goto done; + + /* we don't care if we're in AP mode */ + if ((wlandev->macmode == WLAN_MACMODE_NONE) || + (wlandev->macmode == WLAN_MACMODE_ESS_AP)) { + goto done; + } + + /* 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) { + WLAN_LOG_ERROR("error fetching commsqual\n"); + goto done; + } + + // qual.CQ_currBSS; // link + // ASL_currBSS; // level + // qual.ANL_currFC; // noise + + WLAN_LOG_DEBUG(3, "commsqual %d %d %d\n", + hfa384x2host_16(hw->qual.CQ_currBSS), + hfa384x2host_16(hw->qual.ASL_currBSS), + hfa384x2host_16(hw->qual.ANL_currFC)); + } + + /* 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 ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTBSSID, result); + goto done; + } + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTSSID, + &ssid, sizeof(ssid)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTSSID, result); + goto done; + } + prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid, + (p80211pstrd_t *) &wlandev->ssid); + + + /* Reschedule timer */ + mod_timer(&hw->commsqual_timer, jiffies + HZ); + + done: + DBFEXIT; +} + +void prism2sta_commsqual_timer(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t *) data; + + DBFENTER; + + schedule_work(&hw->commsqual_bh); + + DBFEXIT; +} |