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hostap_wlan.h
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1 #ifndef HOSTAP_WLAN_H
2 #define HOSTAP_WLAN_H
3 
4 #include <linux/interrupt.h>
5 #include <linux/wireless.h>
6 #include <linux/netdevice.h>
7 #include <linux/mutex.h>
8 #include <net/iw_handler.h>
10 #include <net/lib80211.h>
11 
12 #include "hostap_config.h"
13 #include "hostap_common.h"
14 
15 #define MAX_PARM_DEVICES 8
16 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
17 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
18 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
19 
20 
21 /* Specific skb->protocol value that indicates that the packet already contains
22  * txdesc header.
23  * FIX: This might need own value that would be allocated especially for Prism2
24  * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
25  * However, these skb's should have only minimal path in the kernel side since
26  * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
27 #define ETH_P_HOSTAP ETH_P_CONTROL
28 
29 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
30  * (from linux-wlan-ng) */
35 } __packed;
36 
39  char devname[16];
40  struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
41  noise, rate, istx, frmlen;
42 } __packed;
43 
59 } __packed;
60 
70 } __packed;
71 
72 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
73 #define LWNG_CAPHDR_VERSION 0x80211001
74 
76  /* HFA384X RX frame descriptor */
77  __le16 status; /* HFA384X_RX_STATUS_ flags */
78  __le32 time; /* timestamp, 1 microsecond resolution */
79  u8 silence; /* 27 .. 154; seems to be 0 */
80  u8 signal; /* 27 .. 154 */
81  u8 rate; /* 10, 20, 55, or 110 */
84 
85  /* 802.11 */
88  u8 addr1[6];
89  u8 addr2[6];
90  u8 addr3[6];
92  u8 addr4[6];
94 
95  /* 802.3 */
99 
100  /* followed by frame data; max 2304 bytes */
101 } __packed;
102 
103 
105  /* HFA384X TX frame descriptor */
106  __le16 status; /* HFA384X_TX_STATUS_ flags */
110  u8 retry_count; /* not yet implemented */
111  u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
112  __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
113 
114  /* 802.11 */
115  __le16 frame_control; /* parts not used */
117  u8 addr1[6];
118  u8 addr2[6]; /* filled by firmware */
119  u8 addr3[6];
120  __le16 seq_ctrl; /* filled by firmware */
121  u8 addr4[6];
123 
124  /* 802.3 */
128 
129  /* followed by frame data; max 2304 bytes */
130 } __packed;
131 
132 
134 {
137 } __packed;
138 
139 
140 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
141  * dBm value with some accuracy */
142 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
143 
144 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
145 
148  __le16 txrate; /* HFA384X_RATES_* */
149 } __packed;
150 
156 } __packed;
157 
159  u8 bssid[6];
161 } __packed;
162 
166 } __packed;
167 
190 } __packed;
191 
214 } __packed;
215 
219 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
220 #define HFA384X_SCAN_HOST_INITIATED 1
221 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
222 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
223 } __packed;
224 
225 #define HFA384X_SCAN_MAX_RESULTS 32
226 
231  u8 bssid[6];
235  u8 ssid[32];
238 } __packed;
239 
244  u8 bssid[6];
248  u8 ssid[32];
252 } __packed;
253 
255  unsigned int tx_unicast_frames;
256  unsigned int tx_multicast_frames;
257  unsigned int tx_fragments;
258  unsigned int tx_unicast_octets;
259  unsigned int tx_multicast_octets;
264  unsigned int tx_discards;
265  unsigned int rx_unicast_frames;
266  unsigned int rx_multicast_frames;
267  unsigned int rx_fragments;
268  unsigned int rx_unicast_octets;
269  unsigned int rx_multicast_octets;
270  unsigned int rx_fcs_errors;
271  unsigned int rx_discards_no_buffer;
272  unsigned int tx_discards_wrong_sa;
276 };
277 
278 
279 struct hfa384x_regs {
285 };
286 
287 
288 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
289 /* I/O ports for HFA384X Controller access */
290 #define HFA384X_CMD_OFF 0x00
291 #define HFA384X_PARAM0_OFF 0x02
292 #define HFA384X_PARAM1_OFF 0x04
293 #define HFA384X_PARAM2_OFF 0x06
294 #define HFA384X_STATUS_OFF 0x08
295 #define HFA384X_RESP0_OFF 0x0A
296 #define HFA384X_RESP1_OFF 0x0C
297 #define HFA384X_RESP2_OFF 0x0E
298 #define HFA384X_INFOFID_OFF 0x10
299 #define HFA384X_CONTROL_OFF 0x14
300 #define HFA384X_SELECT0_OFF 0x18
301 #define HFA384X_SELECT1_OFF 0x1A
302 #define HFA384X_OFFSET0_OFF 0x1C
303 #define HFA384X_OFFSET1_OFF 0x1E
304 #define HFA384X_RXFID_OFF 0x20
305 #define HFA384X_ALLOCFID_OFF 0x22
306 #define HFA384X_TXCOMPLFID_OFF 0x24
307 #define HFA384X_SWSUPPORT0_OFF 0x28
308 #define HFA384X_SWSUPPORT1_OFF 0x2A
309 #define HFA384X_SWSUPPORT2_OFF 0x2C
310 #define HFA384X_EVSTAT_OFF 0x30
311 #define HFA384X_INTEN_OFF 0x32
312 #define HFA384X_EVACK_OFF 0x34
313 #define HFA384X_DATA0_OFF 0x36
314 #define HFA384X_DATA1_OFF 0x38
315 #define HFA384X_AUXPAGE_OFF 0x3A
316 #define HFA384X_AUXOFFSET_OFF 0x3C
317 #define HFA384X_AUXDATA_OFF 0x3E
318 #endif /* PRISM2_PCCARD || PRISM2_PLX */
319 
320 #ifdef PRISM2_PCI
321 /* Memory addresses for ISL3874 controller access */
322 #define HFA384X_CMD_OFF 0x00
323 #define HFA384X_PARAM0_OFF 0x04
324 #define HFA384X_PARAM1_OFF 0x08
325 #define HFA384X_PARAM2_OFF 0x0C
326 #define HFA384X_STATUS_OFF 0x10
327 #define HFA384X_RESP0_OFF 0x14
328 #define HFA384X_RESP1_OFF 0x18
329 #define HFA384X_RESP2_OFF 0x1C
330 #define HFA384X_INFOFID_OFF 0x20
331 #define HFA384X_CONTROL_OFF 0x28
332 #define HFA384X_SELECT0_OFF 0x30
333 #define HFA384X_SELECT1_OFF 0x34
334 #define HFA384X_OFFSET0_OFF 0x38
335 #define HFA384X_OFFSET1_OFF 0x3C
336 #define HFA384X_RXFID_OFF 0x40
337 #define HFA384X_ALLOCFID_OFF 0x44
338 #define HFA384X_TXCOMPLFID_OFF 0x48
339 #define HFA384X_PCICOR_OFF 0x4C
340 #define HFA384X_SWSUPPORT0_OFF 0x50
341 #define HFA384X_SWSUPPORT1_OFF 0x54
342 #define HFA384X_SWSUPPORT2_OFF 0x58
343 #define HFA384X_PCIHCR_OFF 0x5C
344 #define HFA384X_EVSTAT_OFF 0x60
345 #define HFA384X_INTEN_OFF 0x64
346 #define HFA384X_EVACK_OFF 0x68
347 #define HFA384X_DATA0_OFF 0x6C
348 #define HFA384X_DATA1_OFF 0x70
349 #define HFA384X_AUXPAGE_OFF 0x74
350 #define HFA384X_AUXOFFSET_OFF 0x78
351 #define HFA384X_AUXDATA_OFF 0x7C
352 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
353 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
354 #define HFA384X_PCI_M0_LEN_OFF 0x88
355 #define HFA384X_PCI_M0_CTL_OFF 0x8C
356 #define HFA384X_PCI_STATUS_OFF 0x98
357 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
358 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
359 #define HFA384X_PCI_M1_LEN_OFF 0xA8
360 #define HFA384X_PCI_M1_CTL_OFF 0xAC
361 
362 /* PCI bus master control bits (these are undocumented; based on guessing and
363  * experimenting..) */
364 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
365 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
366 
367 #endif /* PRISM2_PCI */
368 
369 
370 /* Command codes for CMD reg. */
371 #define HFA384X_CMDCODE_INIT 0x00
372 #define HFA384X_CMDCODE_ENABLE 0x01
373 #define HFA384X_CMDCODE_DISABLE 0x02
374 #define HFA384X_CMDCODE_ALLOC 0x0A
375 #define HFA384X_CMDCODE_TRANSMIT 0x0B
376 #define HFA384X_CMDCODE_INQUIRE 0x11
377 #define HFA384X_CMDCODE_ACCESS 0x21
378 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
379 #define HFA384X_CMDCODE_DOWNLOAD 0x22
380 #define HFA384X_CMDCODE_READMIF 0x30
381 #define HFA384X_CMDCODE_WRITEMIF 0x31
382 #define HFA384X_CMDCODE_TEST 0x38
383 
384 #define HFA384X_CMDCODE_MASK 0x3F
385 
386 /* Test mode operations */
387 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
388 #define HFA384X_TEST_MONITOR 0x0B
389 #define HFA384X_TEST_STOP 0x0F
390 #define HFA384X_TEST_CFG_BITS 0x15
391 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
392 
393 #define HFA384X_CMD_BUSY BIT(15)
394 
395 #define HFA384X_CMD_TX_RECLAIM BIT(8)
396 
397 #define HFA384X_OFFSET_ERR BIT(14)
398 #define HFA384X_OFFSET_BUSY BIT(15)
399 
400 
401 /* ProgMode for download command */
402 #define HFA384X_PROGMODE_DISABLE 0
403 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
404 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
405 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
406 
407 #define HFA384X_AUX_MAGIC0 0xfe01
408 #define HFA384X_AUX_MAGIC1 0xdc23
409 #define HFA384X_AUX_MAGIC2 0xba45
410 
411 #define HFA384X_AUX_PORT_DISABLED 0
412 #define HFA384X_AUX_PORT_DISABLE BIT(14)
413 #define HFA384X_AUX_PORT_ENABLE BIT(15)
414 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
415 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
416 
417 #define PRISM2_PDA_SIZE 1024
418 
419 
420 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
421 #define HFA384X_EV_TICK BIT(15)
422 #define HFA384X_EV_WTERR BIT(14)
423 #define HFA384X_EV_INFDROP BIT(13)
424 #ifdef PRISM2_PCI
425 #define HFA384X_EV_PCI_M1 BIT(9)
426 #define HFA384X_EV_PCI_M0 BIT(8)
427 #endif /* PRISM2_PCI */
428 #define HFA384X_EV_INFO BIT(7)
429 #define HFA384X_EV_DTIM BIT(5)
430 #define HFA384X_EV_CMD BIT(4)
431 #define HFA384X_EV_ALLOC BIT(3)
432 #define HFA384X_EV_TXEXC BIT(2)
433 #define HFA384X_EV_TX BIT(1)
434 #define HFA384X_EV_RX BIT(0)
435 
436 
437 /* HFA384X Information frames */
438 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
439 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
440 #define HFA384X_INFO_COMMTALLIES 0xF100
441 #define HFA384X_INFO_SCANRESULTS 0xF101
442 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
443 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
444 #define HFA384X_INFO_LINKSTATUS 0xF200
445 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
446 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
447 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
448 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
449 
456 
460 
461 #define HFA384X_RATES_1MBPS BIT(0)
462 #define HFA384X_RATES_2MBPS BIT(1)
463 #define HFA384X_RATES_5MBPS BIT(2)
464 #define HFA384X_RATES_11MBPS BIT(3)
465 
466 #define HFA384X_ROAMING_FIRMWARE 1
467 #define HFA384X_ROAMING_HOST 2
468 #define HFA384X_ROAMING_DISABLED 3
469 
470 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
471 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
472 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
473 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
474 
475 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
476 #define HFA384X_RX_STATUS_PCF BIT(12)
477 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
478 #define HFA384X_RX_STATUS_UNDECR BIT(1)
479 #define HFA384X_RX_STATUS_FCSERR BIT(0)
480 
481 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
482 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
483 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
484 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
485 
488 
489 
490 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
491 #define HFA384X_TX_CTRL_802_11 BIT(3)
492 #define HFA384X_TX_CTRL_802_3 0
493 #define HFA384X_TX_CTRL_TX_EX BIT(2)
494 #define HFA384X_TX_CTRL_TX_OK BIT(1)
495 
496 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
497 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
498 #define HFA384X_TX_STATUS_DISCON BIT(2)
499 #define HFA384X_TX_STATUS_FORMERR BIT(3)
500 
501 /* HFA3861/3863 (BBP) Control Registers */
502 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
503 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
504 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
505 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
506 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
507 
508 
509 #ifdef __KERNEL__
510 
511 #define PRISM2_TXFID_COUNT 8
512 #define PRISM2_DATA_MAXLEN 2304
513 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
514 #define PRISM2_TXFID_EMPTY 0xffff
515 #define PRISM2_TXFID_RESERVED 0xfffe
516 #define PRISM2_DUMMY_FID 0xffff
517 #define MAX_SSID_LEN 32
518 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
519 
520 #define PRISM2_DUMP_RX_HDR BIT(0)
521 #define PRISM2_DUMP_TX_HDR BIT(1)
522 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
523 
524 struct hostap_tx_callback_info {
525  u16 idx;
526  void (*func)(struct sk_buff *, int ok, void *);
527  void *data;
528  struct hostap_tx_callback_info *next;
529 };
530 
531 
532 /* IEEE 802.11 requires that STA supports concurrent reception of at least
533  * three fragmented frames. This define can be increased to support more
534  * concurrent frames, but it should be noted that each entry can consume about
535  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
536 #define PRISM2_FRAG_CACHE_LEN 4
537 
538 struct prism2_frag_entry {
539  unsigned long first_frag_time;
540  unsigned int seq;
541  unsigned int last_frag;
542  struct sk_buff *skb;
545 };
546 
547 
548 struct hostap_cmd_queue {
549  struct list_head list;
550  wait_queue_head_t compl;
551  volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
552  void (*callback)(struct net_device *dev, long context, u16 resp0,
553  u16 res);
554  long context;
555  u16 cmd, param0, param1;
556  u16 resp0, res;
557  volatile int issued, issuing;
558 
559  atomic_t usecnt;
560  int del_req;
561 };
562 
563 /* options for hw_shutdown */
564 #define HOSTAP_HW_NO_DISABLE BIT(0)
565 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
566 
567 typedef struct local_info local_info_t;
568 
569 struct prism2_helper_functions {
570  /* these functions are defined in hardware model specific files
571  * (hostap_{cs,plx,pci}.c */
572  int (*card_present)(local_info_t *local);
573  void (*cor_sreset)(local_info_t *local);
574  void (*genesis_reset)(local_info_t *local, int hcr);
575 
576  /* the following functions are from hostap_hw.c, but they may have some
577  * hardware model specific code */
578 
579  /* FIX: low-level commands like cmd might disappear at some point to
580  * make it easier to change them if needed (e.g., cmd would be replaced
581  * with write_mif/read_mif/testcmd/inquire); at least get_rid and
582  * set_rid might move to hostap_{cs,plx,pci}.c */
583  int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
584  u16 *resp0);
585  void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
586  int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
587  int exact_len);
588  int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
589  int (*hw_enable)(struct net_device *dev, int initial);
590  int (*hw_config)(struct net_device *dev, int initial);
591  void (*hw_reset)(struct net_device *dev);
592  void (*hw_shutdown)(struct net_device *dev, int no_disable);
593  int (*reset_port)(struct net_device *dev);
594  void (*schedule_reset)(local_info_t *local);
595  int (*download)(local_info_t *local,
596  struct prism2_download_param *param);
597  int (*tx)(struct sk_buff *skb, struct net_device *dev);
598  int (*set_tim)(struct net_device *dev, int aid, int set);
599  int (*read_aux)(struct net_device *dev, unsigned addr, int len,
600  u8 *buf);
601 
602  int need_tx_headroom; /* number of bytes of headroom needed before
603  * IEEE 802.11 header */
604  enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
605 };
606 
607 
608 struct prism2_download_data {
609  u32 dl_cmd;
610  u32 start_addr;
611  u32 num_areas;
612  struct prism2_download_data_area {
613  u32 addr; /* wlan card address */
614  u32 len;
615  u8 *data; /* allocated data */
616  } data[0];
617 };
618 
619 
620 #define HOSTAP_MAX_BSS_COUNT 64
621 #define MAX_WPA_IE_LEN 64
622 
623 struct hostap_bss_info {
624  struct list_head list;
625  unsigned long last_update;
626  unsigned int count;
627  u8 bssid[ETH_ALEN];
628  u16 capab_info;
629  u8 ssid[32];
630  size_t ssid_len;
631  u8 wpa_ie[MAX_WPA_IE_LEN];
632  size_t wpa_ie_len;
633  u8 rsn_ie[MAX_WPA_IE_LEN];
634  size_t rsn_ie_len;
635  int chan;
636  int included;
637 };
638 
639 
640 /* Per radio private Host AP data - shared by all net devices interfaces used
641  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
642  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
643  * structure. */
644 struct local_info {
645  struct module *hw_module;
646  int card_idx;
647  int dev_enabled;
648  int master_dev_auto_open; /* was master device opened automatically */
649  int num_dev_open; /* number of open devices */
650  struct net_device *dev; /* master radio device */
651  struct net_device *ddev; /* main data device */
652  struct list_head hostap_interfaces; /* Host AP interface list (contains
653  * struct hostap_interface entries)
654  */
655  rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
656  * when removing entries from the list.
657  * TX and RX paths can use read lock. */
658  spinlock_t cmdlock, baplock, lock, irq_init_lock;
659  struct mutex rid_bap_mtx;
660  u16 infofid; /* MAC buffer id for info frame */
661  /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
662  * txfidlock */
663  spinlock_t txfidlock;
664  int txfid_len; /* length of allocated TX buffers */
665  u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
666  /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
667  * corresponding txfid is free for next TX frame */
668  u16 intransmitfid[PRISM2_TXFID_COUNT];
669  int next_txfid; /* index to the next txfid to be checked for
670  * availability */
671  int next_alloc; /* index to the next intransmitfid to be checked for
672  * allocation events */
673 
674  /* bitfield for atomic bitops */
675 #define HOSTAP_BITS_TRANSMIT 0
676 #define HOSTAP_BITS_BAP_TASKLET 1
677 #define HOSTAP_BITS_BAP_TASKLET2 2
678  unsigned long bits;
679 
680  struct ap_data *ap;
681 
682  char essid[MAX_SSID_LEN + 1];
683  char name[MAX_NAME_LEN + 1];
684  int name_set;
685  u16 channel_mask; /* mask of allowed channels */
686  u16 scan_channel_mask; /* mask of channels to be scanned */
687  struct comm_tallies_sums comm_tallies;
688  struct proc_dir_entry *proc;
689  int iw_mode; /* operating mode (IW_MODE_*) */
690  int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
691  * 1: IW_MODE_ADHOC is "pseudo IBSS" */
692  char bssid[ETH_ALEN];
693  int channel;
694  int beacon_int;
695  int dtim_period;
696  int mtu;
697  int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
698  int fw_tx_rate_control;
699  u16 tx_rate_control;
700  u16 basic_rates;
701  int hw_resetting;
702  int hw_ready;
703  int hw_reset_tries; /* how many times reset has been tried */
704  int hw_downloading;
705  int shutdown;
706  int pri_only;
707  int no_pri; /* no PRI f/w present */
708  int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
709 
710  enum {
711  PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
712  PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
713  } txpower_type;
714  int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
715 
716  /* command queue for hfa384x_cmd(); protected with cmdlock */
717  struct list_head cmd_queue;
718  /* max_len for cmd_queue; in addition, cmd_callback can use two
719  * additional entries to prevent sleeping commands from stopping
720  * transmits */
721 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
722  int cmd_queue_len; /* number of entries in cmd_queue */
723 
724  /* if card timeout is detected in interrupt context, reset_queue is
725  * used to schedule card reseting to be done in user context */
726  struct work_struct reset_queue;
727 
728  /* For scheduling a change of the promiscuous mode RID */
729  int is_promisc;
730  struct work_struct set_multicast_list_queue;
731 
732  struct work_struct set_tim_queue;
733  struct list_head set_tim_list;
734  spinlock_t set_tim_lock;
735 
736  int wds_max_connections;
737  int wds_connections;
738 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
739 #define HOSTAP_WDS_AP_CLIENT BIT(1)
740 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
741  u32 wds_type;
742  u16 tx_control; /* flags to be used in TX description */
743  int manual_retry_count; /* -1 = use f/w default; otherwise retry count
744  * to be used with all frames */
745 
746  struct iw_statistics wstats;
747  unsigned long scan_timestamp; /* Time started to scan */
748  enum {
749  PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
750  PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3
751  } monitor_type;
752  int monitor_allow_fcserr;
753 
754  int hostapd; /* whether user space daemon, hostapd, is used for AP
755  * management */
756  int hostapd_sta; /* whether hostapd is used with an extra STA interface
757  */
758  struct net_device *apdev;
759  struct net_device_stats apdevstats;
760 
761  char assoc_ap_addr[ETH_ALEN];
762  struct net_device *stadev;
763  struct net_device_stats stadevstats;
764 
765 #define WEP_KEYS 4
766 #define WEP_KEY_LEN 13
767  struct lib80211_crypt_info crypt_info;
768 
769  int open_wep; /* allow unencrypted frames */
770  int host_encrypt;
771  int host_decrypt;
772  int privacy_invoked; /* force privacy invoked flag even if no keys are
773  * configured */
774  int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
775  * in Host AP mode (STA f/w 1.4.9 or newer) */
776  int bcrx_sta_key; /* use individual keys to override default keys even
777  * with RX of broad/multicast frames */
778 
779  struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
780  unsigned int frag_next_idx;
781 
782  int ieee_802_1x; /* is IEEE 802.1X used */
783 
784  int antsel_tx, antsel_rx;
785  int rts_threshold; /* dot11RTSThreshold */
786  int fragm_threshold; /* dot11FragmentationThreshold */
787  int auth_algs; /* PRISM2_AUTH_ flags */
788 
789  int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
790  int tallies32; /* 32-bit tallies in use */
791 
792  struct prism2_helper_functions *func;
793 
794  u8 *pda;
795  int fw_ap;
796 #define PRISM2_FW_VER(major, minor, variant) \
797 (((major) << 16) | ((minor) << 8) | variant)
798  u32 sta_fw_ver;
799 
800  /* Tasklets for handling hardware IRQ related operations outside hw IRQ
801  * handler */
802  struct tasklet_struct bap_tasklet;
803 
804  struct tasklet_struct info_tasklet;
805  struct sk_buff_head info_list; /* info frames as skb's for
806  * info_tasklet */
807 
808  struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
809  */
810 
811  struct tasklet_struct rx_tasklet;
812  struct sk_buff_head rx_list;
813 
814  struct tasklet_struct sta_tx_exc_tasklet;
815  struct sk_buff_head sta_tx_exc_list;
816 
817  int host_roaming;
818  unsigned long last_join_time; /* time of last JoinRequest */
819  struct hfa384x_hostscan_result *last_scan_results;
820  int last_scan_results_count;
821  enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
822  struct work_struct info_queue;
823  unsigned long pending_info; /* bit field of pending info_queue items */
824 #define PRISM2_INFO_PENDING_LINKSTATUS 0
825 #define PRISM2_INFO_PENDING_SCANRESULTS 1
826  int prev_link_status; /* previous received LinkStatus info */
827  int prev_linkstatus_connected;
828  u8 preferred_ap[6]; /* use this AP if possible */
829 
830 #ifdef PRISM2_CALLBACK
831  void *callback_data; /* Can be used in callbacks; e.g., allocate
832  * on enable event and free on disable event.
833  * Host AP driver code does not touch this. */
834 #endif /* PRISM2_CALLBACK */
835 
836  wait_queue_head_t hostscan_wq;
837 
838  /* Passive scan in Host AP mode */
839  struct timer_list passive_scan_timer;
840  int passive_scan_interval; /* in seconds, 0 = disabled */
841  int passive_scan_channel;
842  enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
843 
844  struct timer_list tick_timer;
845  unsigned long last_tick_timer;
846  unsigned int sw_tick_stuck;
847 
848  /* commsQuality / dBmCommsQuality data from periodic polling; only
849  * valid for Managed and Ad-hoc modes */
850  unsigned long last_comms_qual_update;
851  int comms_qual; /* in some odd unit.. */
852  int avg_signal; /* in dB (note: negative) */
853  int avg_noise; /* in dB (note: negative) */
854  struct work_struct comms_qual_update;
855 
856  /* RSSI to dBm adjustment (for RX descriptor fields) */
857  int rssi_to_dBm; /* subtract from RSSI to get approximate dBm value */
858 
859  /* BSS list / protected by local->lock */
860  struct list_head bss_list;
861  int num_bss_info;
862  int wpa; /* WPA support enabled */
863  int tkip_countermeasures;
864  int drop_unencrypted;
865  /* Generic IEEE 802.11 info element to be added to
866  * ProbeResp/Beacon/(Re)AssocReq */
867  u8 *generic_elem;
868  size_t generic_elem_len;
869 
870 #ifdef PRISM2_DOWNLOAD_SUPPORT
871  /* Persistent volatile download data */
872  struct prism2_download_data *dl_pri;
873  struct prism2_download_data *dl_sec;
874 #endif /* PRISM2_DOWNLOAD_SUPPORT */
875 
876 #ifdef PRISM2_IO_DEBUG
877 #define PRISM2_IO_DEBUG_SIZE 10000
878  u32 io_debug[PRISM2_IO_DEBUG_SIZE];
879  int io_debug_head;
880  int io_debug_enabled;
881 #endif /* PRISM2_IO_DEBUG */
882 
883  /* Pointer to hardware model specific (cs,pci,plx) private data. */
884  void *hw_priv;
885 };
886 
887 
888 /* Per interface private Host AP data
889  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
890  * WDS) and netdev_priv(dev) points to this structure. */
891 struct hostap_interface {
892  struct list_head list; /* list entry in Host AP interface list */
893  struct net_device *dev; /* pointer to this device */
894  struct local_info *local; /* pointer to shared private data */
895  struct net_device_stats stats;
896  struct iw_spy_data spy_data; /* iwspy support */
897  struct iw_public_data wireless_data;
898 
899  enum {
900  HOSTAP_INTERFACE_MASTER,
901  HOSTAP_INTERFACE_MAIN,
902  HOSTAP_INTERFACE_AP,
903  HOSTAP_INTERFACE_STA,
904  HOSTAP_INTERFACE_WDS,
905  } type;
906 
907  union {
908  struct hostap_interface_wds {
910  } wds;
911  } u;
912 };
913 
914 
915 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
916 
917 /*
918  * TX meta data - stored in skb->cb buffer, so this must not be increased over
919  * the 48-byte limit.
920  * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
921  * TO SEE THE DAY.
922  */
923 struct hostap_skb_tx_data {
924  unsigned int __padding_for_default_qdiscs;
925  u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
926  u8 rate; /* transmit rate */
927 #define HOSTAP_TX_FLAGS_WDS BIT(0)
928 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
929 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
930  u8 flags; /* HOSTAP_TX_FLAGS_* */
931  u16 tx_cb_idx;
932  struct hostap_interface *iface;
933  unsigned long jiffies; /* queueing timestamp */
934  unsigned short ethertype;
935 };
936 
937 
938 #ifndef PRISM2_NO_DEBUG
939 
940 #define DEBUG_FID BIT(0)
941 #define DEBUG_PS BIT(1)
942 #define DEBUG_FLOW BIT(2)
943 #define DEBUG_AP BIT(3)
944 #define DEBUG_HW BIT(4)
945 #define DEBUG_EXTRA BIT(5)
946 #define DEBUG_EXTRA2 BIT(6)
947 #define DEBUG_PS2 BIT(7)
948 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
949 #define PDEBUG(n, args...) \
950 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
951 #define PDEBUG2(n, args...) \
952 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
953 
954 #else /* PRISM2_NO_DEBUG */
955 
956 #define PDEBUG(n, args...)
957 #define PDEBUG2(n, args...)
958 
959 #endif /* PRISM2_NO_DEBUG */
960 
961 enum { BAP0 = 0, BAP1 = 1 };
962 
963 #define PRISM2_IO_DEBUG_CMD_INB 0
964 #define PRISM2_IO_DEBUG_CMD_INW 1
965 #define PRISM2_IO_DEBUG_CMD_INSW 2
966 #define PRISM2_IO_DEBUG_CMD_OUTB 3
967 #define PRISM2_IO_DEBUG_CMD_OUTW 4
968 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
969 #define PRISM2_IO_DEBUG_CMD_ERROR 6
970 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
971 
972 #ifdef PRISM2_IO_DEBUG
973 
974 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
975 (((cmd) << 24) | ((reg) << 16) | value)
976 
977 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
978  int reg, int value)
979 {
980  struct hostap_interface *iface = netdev_priv(dev);
981  local_info_t *local = iface->local;
982 
983  if (!local->io_debug_enabled)
984  return;
985 
986  local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
987  if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
988  local->io_debug_head = 0;
989  local->io_debug[local->io_debug_head] =
990  PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
991  if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
992  local->io_debug_head = 0;
993 }
994 
995 
996 static inline void prism2_io_debug_error(struct net_device *dev, int err)
997 {
998  struct hostap_interface *iface = netdev_priv(dev);
999  local_info_t *local = iface->local;
1000  unsigned long flags;
1001 
1002  if (!local->io_debug_enabled)
1003  return;
1004 
1005  spin_lock_irqsave(&local->lock, flags);
1006  prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1007  if (local->io_debug_enabled == 1) {
1008  local->io_debug_enabled = 0;
1009  printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1010  }
1011  spin_unlock_irqrestore(&local->lock, flags);
1012 }
1013 
1014 #else /* PRISM2_IO_DEBUG */
1015 
1016 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1017  int reg, int value)
1018 {
1019 }
1020 
1021 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1022 {
1023 }
1024 
1025 #endif /* PRISM2_IO_DEBUG */
1026 
1027 
1028 #ifdef PRISM2_CALLBACK
1029 enum {
1030  /* Called when card is enabled */
1031  PRISM2_CALLBACK_ENABLE,
1032 
1033  /* Called when card is disabled */
1034  PRISM2_CALLBACK_DISABLE,
1035 
1036  /* Called when RX/TX starts/ends */
1037  PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1038  PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1039 };
1040 void prism2_callback(local_info_t *local, int event);
1041 #else /* PRISM2_CALLBACK */
1042 #define prism2_callback(d, e) do { } while (0)
1043 #endif /* PRISM2_CALLBACK */
1044 
1045 #endif /* __KERNEL__ */
1046 
1047 #endif /* HOSTAP_WLAN_H */