4 #include "hostap_config.h"
5 #include "hostap_common.h"
7 #define MAX_PARM_DEVICES 8
8 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
9 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
10 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
13 /* Specific skb->protocol value that indicates that the packet already contains
15 * FIX: This might need own value that would be allocated especially for Prism2
16 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
17 * However, these skb's should have only minimal path in the kernel side since
18 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
19 #define ETH_P_HOSTAP ETH_P_CONTROL
21 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
22 * (from linux-wlan-ng) */
23 struct linux_wlan_ng_val {
27 } __attribute__ ((packed));
29 struct linux_wlan_ng_prism_hdr {
32 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
33 noise, rate, istx, frmlen;
34 } __attribute__ ((packed));
36 struct linux_wlan_ng_cap_hdr {
51 } __attribute__ ((packed));
53 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
54 #define LWNG_CAPHDR_VERSION 0x80211001
56 struct hfa384x_rx_frame {
57 /* HFA384X RX frame descriptor */
58 u16 status; /* HFA384X_RX_STATUS_ flags */
59 u32 time; /* timestamp, 1 microsecond resolution */
60 u8 silence; /* 27 .. 154; seems to be 0 */
61 u8 signal; /* 27 .. 154 */
62 u8 rate; /* 10, 20, 55, or 110 */
81 /* followed by frame data; max 2304 bytes */
82 } __attribute__ ((packed));
85 struct hfa384x_tx_frame {
86 /* HFA384X TX frame descriptor */
87 u16 status; /* HFA384X_TX_STATUS_ flags */
91 u8 retry_count; /* not yet implemented */
92 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
93 u16 tx_control; /* HFA384X_TX_CTRL_ flags */
96 u16 frame_control; /* parts not used */
99 u8 addr2[6]; /* filled by firmware */
101 u16 seq_ctrl; /* filled by firmware */
110 /* followed by frame data; max 2304 bytes */
111 } __attribute__ ((packed));
114 struct hfa384x_rid_hdr
118 } __attribute__ ((packed));
121 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
122 * dBm value with some accuracy */
123 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
125 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
127 struct hfa384x_scan_request {
129 u16 txrate; /* HFA384X_RATES_* */
130 } __attribute__ ((packed));
132 struct hfa384x_hostscan_request {
137 } __attribute__ ((packed));
139 struct hfa384x_join_request {
142 } __attribute__ ((packed));
144 struct hfa384x_info_frame {
147 } __attribute__ ((packed));
149 struct hfa384x_comm_tallies {
150 u16 tx_unicast_frames;
151 u16 tx_multicast_frames;
153 u16 tx_unicast_octets;
154 u16 tx_multicast_octets;
155 u16 tx_deferred_transmissions;
156 u16 tx_single_retry_frames;
157 u16 tx_multiple_retry_frames;
158 u16 tx_retry_limit_exceeded;
160 u16 rx_unicast_frames;
161 u16 rx_multicast_frames;
163 u16 rx_unicast_octets;
164 u16 rx_multicast_octets;
166 u16 rx_discards_no_buffer;
167 u16 tx_discards_wrong_sa;
168 u16 rx_discards_wep_undecryptable;
169 u16 rx_message_in_msg_fragments;
170 u16 rx_message_in_bad_msg_fragments;
171 } __attribute__ ((packed));
173 struct hfa384x_comm_tallies32 {
174 u32 tx_unicast_frames;
175 u32 tx_multicast_frames;
177 u32 tx_unicast_octets;
178 u32 tx_multicast_octets;
179 u32 tx_deferred_transmissions;
180 u32 tx_single_retry_frames;
181 u32 tx_multiple_retry_frames;
182 u32 tx_retry_limit_exceeded;
184 u32 rx_unicast_frames;
185 u32 rx_multicast_frames;
187 u32 rx_unicast_octets;
188 u32 rx_multicast_octets;
190 u32 rx_discards_no_buffer;
191 u32 tx_discards_wrong_sa;
192 u32 rx_discards_wep_undecryptable;
193 u32 rx_message_in_msg_fragments;
194 u32 rx_message_in_bad_msg_fragments;
195 } __attribute__ ((packed));
197 struct hfa384x_scan_result_hdr {
200 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
201 #define HFA384X_SCAN_HOST_INITIATED 1
202 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
203 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
204 } __attribute__ ((packed));
206 #define HFA384X_SCAN_MAX_RESULTS 32
208 struct hfa384x_scan_result {
219 } __attribute__ ((packed));
221 struct hfa384x_hostscan_result {
233 } __attribute__ ((packed));
235 struct comm_tallies_sums {
236 unsigned int tx_unicast_frames;
237 unsigned int tx_multicast_frames;
238 unsigned int tx_fragments;
239 unsigned int tx_unicast_octets;
240 unsigned int tx_multicast_octets;
241 unsigned int tx_deferred_transmissions;
242 unsigned int tx_single_retry_frames;
243 unsigned int tx_multiple_retry_frames;
244 unsigned int tx_retry_limit_exceeded;
245 unsigned int tx_discards;
246 unsigned int rx_unicast_frames;
247 unsigned int rx_multicast_frames;
248 unsigned int rx_fragments;
249 unsigned int rx_unicast_octets;
250 unsigned int rx_multicast_octets;
251 unsigned int rx_fcs_errors;
252 unsigned int rx_discards_no_buffer;
253 unsigned int tx_discards_wrong_sa;
254 unsigned int rx_discards_wep_undecryptable;
255 unsigned int rx_message_in_msg_fragments;
256 unsigned int rx_message_in_bad_msg_fragments;
260 struct hfa384x_regs {
269 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
270 /* I/O ports for HFA384X Controller access */
271 #define HFA384X_CMD_OFF 0x00
272 #define HFA384X_PARAM0_OFF 0x02
273 #define HFA384X_PARAM1_OFF 0x04
274 #define HFA384X_PARAM2_OFF 0x06
275 #define HFA384X_STATUS_OFF 0x08
276 #define HFA384X_RESP0_OFF 0x0A
277 #define HFA384X_RESP1_OFF 0x0C
278 #define HFA384X_RESP2_OFF 0x0E
279 #define HFA384X_INFOFID_OFF 0x10
280 #define HFA384X_CONTROL_OFF 0x14
281 #define HFA384X_SELECT0_OFF 0x18
282 #define HFA384X_SELECT1_OFF 0x1A
283 #define HFA384X_OFFSET0_OFF 0x1C
284 #define HFA384X_OFFSET1_OFF 0x1E
285 #define HFA384X_RXFID_OFF 0x20
286 #define HFA384X_ALLOCFID_OFF 0x22
287 #define HFA384X_TXCOMPLFID_OFF 0x24
288 #define HFA384X_SWSUPPORT0_OFF 0x28
289 #define HFA384X_SWSUPPORT1_OFF 0x2A
290 #define HFA384X_SWSUPPORT2_OFF 0x2C
291 #define HFA384X_EVSTAT_OFF 0x30
292 #define HFA384X_INTEN_OFF 0x32
293 #define HFA384X_EVACK_OFF 0x34
294 #define HFA384X_DATA0_OFF 0x36
295 #define HFA384X_DATA1_OFF 0x38
296 #define HFA384X_AUXPAGE_OFF 0x3A
297 #define HFA384X_AUXOFFSET_OFF 0x3C
298 #define HFA384X_AUXDATA_OFF 0x3E
299 #endif /* PRISM2_PCCARD || PRISM2_PLX */
302 /* Memory addresses for ISL3874 controller access */
303 #define HFA384X_CMD_OFF 0x00
304 #define HFA384X_PARAM0_OFF 0x04
305 #define HFA384X_PARAM1_OFF 0x08
306 #define HFA384X_PARAM2_OFF 0x0C
307 #define HFA384X_STATUS_OFF 0x10
308 #define HFA384X_RESP0_OFF 0x14
309 #define HFA384X_RESP1_OFF 0x18
310 #define HFA384X_RESP2_OFF 0x1C
311 #define HFA384X_INFOFID_OFF 0x20
312 #define HFA384X_CONTROL_OFF 0x28
313 #define HFA384X_SELECT0_OFF 0x30
314 #define HFA384X_SELECT1_OFF 0x34
315 #define HFA384X_OFFSET0_OFF 0x38
316 #define HFA384X_OFFSET1_OFF 0x3C
317 #define HFA384X_RXFID_OFF 0x40
318 #define HFA384X_ALLOCFID_OFF 0x44
319 #define HFA384X_TXCOMPLFID_OFF 0x48
320 #define HFA384X_PCICOR_OFF 0x4C
321 #define HFA384X_SWSUPPORT0_OFF 0x50
322 #define HFA384X_SWSUPPORT1_OFF 0x54
323 #define HFA384X_SWSUPPORT2_OFF 0x58
324 #define HFA384X_PCIHCR_OFF 0x5C
325 #define HFA384X_EVSTAT_OFF 0x60
326 #define HFA384X_INTEN_OFF 0x64
327 #define HFA384X_EVACK_OFF 0x68
328 #define HFA384X_DATA0_OFF 0x6C
329 #define HFA384X_DATA1_OFF 0x70
330 #define HFA384X_AUXPAGE_OFF 0x74
331 #define HFA384X_AUXOFFSET_OFF 0x78
332 #define HFA384X_AUXDATA_OFF 0x7C
333 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
334 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
335 #define HFA384X_PCI_M0_LEN_OFF 0x88
336 #define HFA384X_PCI_M0_CTL_OFF 0x8C
337 #define HFA384X_PCI_STATUS_OFF 0x98
338 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
339 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
340 #define HFA384X_PCI_M1_LEN_OFF 0xA8
341 #define HFA384X_PCI_M1_CTL_OFF 0xAC
343 /* PCI bus master control bits (these are undocumented; based on guessing and
344 * experimenting..) */
345 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
346 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
348 #endif /* PRISM2_PCI */
351 /* Command codes for CMD reg. */
352 #define HFA384X_CMDCODE_INIT 0x00
353 #define HFA384X_CMDCODE_ENABLE 0x01
354 #define HFA384X_CMDCODE_DISABLE 0x02
355 #define HFA384X_CMDCODE_ALLOC 0x0A
356 #define HFA384X_CMDCODE_TRANSMIT 0x0B
357 #define HFA384X_CMDCODE_INQUIRE 0x11
358 #define HFA384X_CMDCODE_ACCESS 0x21
359 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
360 #define HFA384X_CMDCODE_DOWNLOAD 0x22
361 #define HFA384X_CMDCODE_READMIF 0x30
362 #define HFA384X_CMDCODE_WRITEMIF 0x31
363 #define HFA384X_CMDCODE_TEST 0x38
365 #define HFA384X_CMDCODE_MASK 0x3F
367 /* Test mode operations */
368 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
369 #define HFA384X_TEST_MONITOR 0x0B
370 #define HFA384X_TEST_STOP 0x0F
371 #define HFA384X_TEST_CFG_BITS 0x15
372 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
374 #define HFA384X_CMD_BUSY BIT(15)
376 #define HFA384X_CMD_TX_RECLAIM BIT(8)
378 #define HFA384X_OFFSET_ERR BIT(14)
379 #define HFA384X_OFFSET_BUSY BIT(15)
382 /* ProgMode for download command */
383 #define HFA384X_PROGMODE_DISABLE 0
384 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
385 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
386 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
388 #define HFA384X_AUX_MAGIC0 0xfe01
389 #define HFA384X_AUX_MAGIC1 0xdc23
390 #define HFA384X_AUX_MAGIC2 0xba45
392 #define HFA384X_AUX_PORT_DISABLED 0
393 #define HFA384X_AUX_PORT_DISABLE BIT(14)
394 #define HFA384X_AUX_PORT_ENABLE BIT(15)
395 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
396 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
398 #define PRISM2_PDA_SIZE 1024
401 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
402 #define HFA384X_EV_TICK BIT(15)
403 #define HFA384X_EV_WTERR BIT(14)
404 #define HFA384X_EV_INFDROP BIT(13)
406 #define HFA384X_EV_PCI_M1 BIT(9)
407 #define HFA384X_EV_PCI_M0 BIT(8)
408 #endif /* PRISM2_PCI */
409 #define HFA384X_EV_INFO BIT(7)
410 #define HFA384X_EV_DTIM BIT(5)
411 #define HFA384X_EV_CMD BIT(4)
412 #define HFA384X_EV_ALLOC BIT(3)
413 #define HFA384X_EV_TXEXC BIT(2)
414 #define HFA384X_EV_TX BIT(1)
415 #define HFA384X_EV_RX BIT(0)
418 /* HFA384X Information frames */
419 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
420 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
421 #define HFA384X_INFO_COMMTALLIES 0xF100
422 #define HFA384X_INFO_SCANRESULTS 0xF101
423 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
424 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
425 #define HFA384X_INFO_LINKSTATUS 0xF200
426 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
427 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
428 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
429 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
431 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
432 HFA384X_LINKSTATUS_DISCONNECTED = 2,
433 HFA384X_LINKSTATUS_AP_CHANGE = 3,
434 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
435 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
436 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
438 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
439 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
440 HFA384X_PORTTYPE_HOSTAP = 6 };
442 #define HFA384X_RATES_1MBPS BIT(0)
443 #define HFA384X_RATES_2MBPS BIT(1)
444 #define HFA384X_RATES_5MBPS BIT(2)
445 #define HFA384X_RATES_11MBPS BIT(3)
447 #define HFA384X_ROAMING_FIRMWARE 1
448 #define HFA384X_ROAMING_HOST 2
449 #define HFA384X_ROAMING_DISABLED 3
451 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
452 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
453 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
454 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
456 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
457 #define HFA384X_RX_STATUS_PCF BIT(12)
458 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
459 #define HFA384X_RX_STATUS_UNDECR BIT(1)
460 #define HFA384X_RX_STATUS_FCSERR BIT(0)
462 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
463 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
464 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
465 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
467 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
468 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
471 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
472 #define HFA384X_TX_CTRL_802_11 BIT(3)
473 #define HFA384X_TX_CTRL_802_3 0
474 #define HFA384X_TX_CTRL_TX_EX BIT(2)
475 #define HFA384X_TX_CTRL_TX_OK BIT(1)
477 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
478 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
479 #define HFA384X_TX_STATUS_DISCON BIT(2)
480 #define HFA384X_TX_STATUS_FORMERR BIT(3)
482 /* HFA3861/3863 (BBP) Control Registers */
483 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
484 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
485 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
486 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
487 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
492 #define PRISM2_TXFID_COUNT 8
493 #define PRISM2_DATA_MAXLEN 2304
494 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
495 #define PRISM2_TXFID_EMPTY 0xffff
496 #define PRISM2_TXFID_RESERVED 0xfffe
497 #define PRISM2_DUMMY_FID 0xffff
498 #define MAX_SSID_LEN 32
499 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
501 #define PRISM2_DUMP_RX_HDR BIT(0)
502 #define PRISM2_DUMP_TX_HDR BIT(1)
503 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
505 struct hostap_tx_callback_info {
507 void (*func)(struct sk_buff *, int ok, void *);
509 struct hostap_tx_callback_info *next;
513 /* IEEE 802.11 requires that STA supports concurrent reception of at least
514 * three fragmented frames. This define can be increased to support more
515 * concurrent frames, but it should be noted that each entry can consume about
516 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
517 #define PRISM2_FRAG_CACHE_LEN 4
519 struct prism2_frag_entry {
520 unsigned long first_frag_time;
522 unsigned int last_frag;
524 u8 src_addr[ETH_ALEN];
525 u8 dst_addr[ETH_ALEN];
529 struct hostap_cmd_queue {
530 struct list_head list;
531 wait_queue_head_t compl;
532 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
533 void (*callback)(struct net_device *dev, long context, u16 resp0,
536 u16 cmd, param0, param1;
538 volatile int issued, issuing;
544 /* options for hw_shutdown */
545 #define HOSTAP_HW_NO_DISABLE BIT(0)
546 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
548 typedef struct local_info local_info_t;
550 struct prism2_helper_functions {
551 /* these functions are defined in hardware model specific files
552 * (hostap_{cs,plx,pci}.c */
553 int (*card_present)(local_info_t *local);
554 void (*cor_sreset)(local_info_t *local);
555 void (*genesis_reset)(local_info_t *local, int hcr);
557 /* the following functions are from hostap_hw.c, but they may have some
558 * hardware model specific code */
560 /* FIX: low-level commands like cmd might disappear at some point to
561 * make it easier to change them if needed (e.g., cmd would be replaced
562 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
563 * set_rid might move to hostap_{cs,plx,pci}.c */
564 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
566 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
567 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
569 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
570 int (*hw_enable)(struct net_device *dev, int initial);
571 int (*hw_config)(struct net_device *dev, int initial);
572 void (*hw_reset)(struct net_device *dev);
573 void (*hw_shutdown)(struct net_device *dev, int no_disable);
574 int (*reset_port)(struct net_device *dev);
575 void (*schedule_reset)(local_info_t *local);
576 int (*download)(local_info_t *local,
577 struct prism2_download_param *param);
578 int (*tx)(struct sk_buff *skb, struct net_device *dev);
579 int (*set_tim)(struct net_device *dev, int aid, int set);
580 int (*read_aux)(struct net_device *dev, unsigned addr, int len,
583 int need_tx_headroom; /* number of bytes of headroom needed before
584 * IEEE 802.11 header */
585 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
589 struct prism2_download_data {
593 struct prism2_download_data_area {
594 u32 addr; /* wlan card address */
596 u8 *data; /* allocated data */
601 #define HOSTAP_MAX_BSS_COUNT 64
602 #define MAX_WPA_IE_LEN 64
604 struct hostap_bss_info {
605 struct list_head list;
606 unsigned long last_update;
612 u8 wpa_ie[MAX_WPA_IE_LEN];
614 u8 rsn_ie[MAX_WPA_IE_LEN];
621 /* Per radio private Host AP data - shared by all net devices interfaces used
622 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
623 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
626 struct module *hw_module;
629 int master_dev_auto_open; /* was master device opened automatically */
630 int num_dev_open; /* number of open devices */
631 struct net_device *dev; /* master radio device */
632 struct net_device *ddev; /* main data device */
633 struct list_head hostap_interfaces; /* Host AP interface list (contains
634 * struct hostap_interface entries)
636 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
637 * when removing entries from the list.
638 * TX and RX paths can use read lock. */
639 spinlock_t cmdlock, baplock, lock;
640 struct semaphore rid_bap_sem;
641 u16 infofid; /* MAC buffer id for info frame */
642 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
644 spinlock_t txfidlock;
645 int txfid_len; /* length of allocated TX buffers */
646 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
647 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
648 * corresponding txfid is free for next TX frame */
649 u16 intransmitfid[PRISM2_TXFID_COUNT];
650 int next_txfid; /* index to the next txfid to be checked for
652 int next_alloc; /* index to the next intransmitfid to be checked for
653 * allocation events */
655 /* bitfield for atomic bitops */
656 #define HOSTAP_BITS_TRANSMIT 0
657 #define HOSTAP_BITS_BAP_TASKLET 1
658 #define HOSTAP_BITS_BAP_TASKLET2 2
663 char essid[MAX_SSID_LEN + 1];
664 char name[MAX_NAME_LEN + 1];
666 u16 channel_mask; /* mask of allowed channels */
667 u16 scan_channel_mask; /* mask of channels to be scanned */
668 struct comm_tallies_sums comm_tallies;
669 struct net_device_stats stats;
670 struct proc_dir_entry *proc;
671 int iw_mode; /* operating mode (IW_MODE_*) */
672 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
673 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
674 char bssid[ETH_ALEN];
679 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
680 int fw_tx_rate_control;
685 int hw_reset_tries; /* how many times reset has been tried */
689 int no_pri; /* no PRI f/w present */
690 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
693 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
694 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
696 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
698 /* command queue for hfa384x_cmd(); protected with cmdlock */
699 struct list_head cmd_queue;
700 /* max_len for cmd_queue; in addition, cmd_callback can use two
701 * additional entries to prevent sleeping commands from stopping
703 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
704 int cmd_queue_len; /* number of entries in cmd_queue */
706 /* if card timeout is detected in interrupt context, reset_queue is
707 * used to schedule card reseting to be done in user context */
708 struct work_struct reset_queue;
710 /* For scheduling a change of the promiscuous mode RID */
712 struct work_struct set_multicast_list_queue;
714 struct work_struct set_tim_queue;
715 struct list_head set_tim_list;
716 spinlock_t set_tim_lock;
718 int wds_max_connections;
720 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
721 #define HOSTAP_WDS_AP_CLIENT BIT(1)
722 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
724 u16 tx_control; /* flags to be used in TX description */
725 int manual_retry_count; /* -1 = use f/w default; otherwise retry count
726 * to be used with all frames */
728 struct iw_statistics wstats;
729 unsigned long scan_timestamp; /* Time started to scan */
731 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
732 PRISM2_MONITOR_CAPHDR = 2
734 int (*saved_eth_header_parse)(struct sk_buff *skb,
735 unsigned char *haddr);
736 int monitor_allow_fcserr;
738 int hostapd; /* whether user space daemon, hostapd, is used for AP
740 int hostapd_sta; /* whether hostapd is used with an extra STA interface
742 struct net_device *apdev;
743 struct net_device_stats apdevstats;
745 char assoc_ap_addr[ETH_ALEN];
746 struct net_device *stadev;
747 struct net_device_stats stadevstats;
750 #define WEP_KEY_LEN 13
751 struct ieee80211_crypt_data *crypt[WEP_KEYS];
752 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
753 struct timer_list crypt_deinit_timer;
754 struct list_head crypt_deinit_list;
756 int open_wep; /* allow unencrypted frames */
759 int privacy_invoked; /* force privacy invoked flag even if no keys are
761 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
762 * in Host AP mode (STA f/w 1.4.9 or newer) */
763 int bcrx_sta_key; /* use individual keys to override default keys even
764 * with RX of broad/multicast frames */
766 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
767 unsigned int frag_next_idx;
769 int ieee_802_1x; /* is IEEE 802.1X used */
771 int antsel_tx, antsel_rx;
772 int rts_threshold; /* dot11RTSThreshold */
773 int fragm_threshold; /* dot11FragmentationThreshold */
774 int auth_algs; /* PRISM2_AUTH_ flags */
776 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
777 int tallies32; /* 32-bit tallies in use */
779 struct prism2_helper_functions *func;
783 #define PRISM2_FW_VER(major, minor, variant) \
784 (((major) << 16) | ((minor) << 8) | variant)
787 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
789 struct tasklet_struct bap_tasklet;
791 struct tasklet_struct info_tasklet;
792 struct sk_buff_head info_list; /* info frames as skb's for
795 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
798 struct tasklet_struct rx_tasklet;
799 struct sk_buff_head rx_list;
801 struct tasklet_struct sta_tx_exc_tasklet;
802 struct sk_buff_head sta_tx_exc_list;
805 unsigned long last_join_time; /* time of last JoinRequest */
806 struct hfa384x_hostscan_result *last_scan_results;
807 int last_scan_results_count;
808 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
809 struct work_struct info_queue;
810 long pending_info; /* bit field of pending info_queue items */
811 #define PRISM2_INFO_PENDING_LINKSTATUS 0
812 #define PRISM2_INFO_PENDING_SCANRESULTS 1
813 int prev_link_status; /* previous received LinkStatus info */
814 int prev_linkstatus_connected;
815 u8 preferred_ap[6]; /* use this AP if possible */
817 #ifdef PRISM2_CALLBACK
818 void *callback_data; /* Can be used in callbacks; e.g., allocate
819 * on enable event and free on disable event.
820 * Host AP driver code does not touch this. */
821 #endif /* PRISM2_CALLBACK */
823 wait_queue_head_t hostscan_wq;
825 /* Passive scan in Host AP mode */
826 struct timer_list passive_scan_timer;
827 int passive_scan_interval; /* in seconds, 0 = disabled */
828 int passive_scan_channel;
829 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
831 struct timer_list tick_timer;
832 unsigned long last_tick_timer;
833 unsigned int sw_tick_stuck;
835 /* commsQuality / dBmCommsQuality data from periodic polling; only
836 * valid for Managed and Ad-hoc modes */
837 unsigned long last_comms_qual_update;
838 int comms_qual; /* in some odd unit.. */
839 int avg_signal; /* in dB (note: negative) */
840 int avg_noise; /* in dB (note: negative) */
841 struct work_struct comms_qual_update;
843 /* RSSI to dBm adjustment (for RX descriptor fields) */
844 int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
846 /* BSS list / protected by local->lock */
847 struct list_head bss_list;
849 int wpa; /* WPA support enabled */
850 int tkip_countermeasures;
851 int drop_unencrypted;
852 /* Generic IEEE 802.11 info element to be added to
853 * ProbeResp/Beacon/(Re)AssocReq */
855 size_t generic_elem_len;
857 #ifdef PRISM2_DOWNLOAD_SUPPORT
858 /* Persistent volatile download data */
859 struct prism2_download_data *dl_pri;
860 struct prism2_download_data *dl_sec;
861 #endif /* PRISM2_DOWNLOAD_SUPPORT */
863 #ifdef PRISM2_IO_DEBUG
864 #define PRISM2_IO_DEBUG_SIZE 10000
865 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
867 int io_debug_enabled;
868 #endif /* PRISM2_IO_DEBUG */
870 /* Pointer to hardware model specific (cs,pci,plx) private data. */
875 /* Per interface private Host AP data
876 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
877 * WDS) and netdev_priv(dev) points to this structure. */
878 struct hostap_interface {
879 struct list_head list; /* list entry in Host AP interface list */
880 struct net_device *dev; /* pointer to this device */
881 struct local_info *local; /* pointer to shared private data */
882 struct net_device_stats stats;
883 struct iw_spy_data spy_data; /* iwspy support */
884 struct iw_public_data wireless_data;
887 HOSTAP_INTERFACE_MASTER,
888 HOSTAP_INTERFACE_MAIN,
890 HOSTAP_INTERFACE_STA,
891 HOSTAP_INTERFACE_WDS,
895 struct hostap_interface_wds {
896 u8 remote_addr[ETH_ALEN];
902 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
905 * TX meta data - stored in skb->cb buffer, so this must not be increased over
908 struct hostap_skb_tx_data {
909 u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
910 u8 rate; /* transmit rate */
911 #define HOSTAP_TX_FLAGS_WDS BIT(0)
912 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
913 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
914 u8 flags; /* HOSTAP_TX_FLAGS_* */
916 struct hostap_interface *iface;
917 unsigned long jiffies; /* queueing timestamp */
918 unsigned short ethertype;
922 #ifndef PRISM2_NO_DEBUG
924 #define DEBUG_FID BIT(0)
925 #define DEBUG_PS BIT(1)
926 #define DEBUG_FLOW BIT(2)
927 #define DEBUG_AP BIT(3)
928 #define DEBUG_HW BIT(4)
929 #define DEBUG_EXTRA BIT(5)
930 #define DEBUG_EXTRA2 BIT(6)
931 #define DEBUG_PS2 BIT(7)
932 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
933 #define PDEBUG(n, args...) \
934 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
935 #define PDEBUG2(n, args...) \
936 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
938 #else /* PRISM2_NO_DEBUG */
940 #define PDEBUG(n, args...)
941 #define PDEBUG2(n, args...)
943 #endif /* PRISM2_NO_DEBUG */
945 enum { BAP0 = 0, BAP1 = 1 };
947 #define PRISM2_IO_DEBUG_CMD_INB 0
948 #define PRISM2_IO_DEBUG_CMD_INW 1
949 #define PRISM2_IO_DEBUG_CMD_INSW 2
950 #define PRISM2_IO_DEBUG_CMD_OUTB 3
951 #define PRISM2_IO_DEBUG_CMD_OUTW 4
952 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
953 #define PRISM2_IO_DEBUG_CMD_ERROR 6
954 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
956 #ifdef PRISM2_IO_DEBUG
958 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
959 (((cmd) << 24) | ((reg) << 16) | value)
961 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
964 struct hostap_interface *iface = netdev_priv(dev);
965 local_info_t *local = iface->local;
967 if (!local->io_debug_enabled)
970 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
971 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
972 local->io_debug_head = 0;
973 local->io_debug[local->io_debug_head] =
974 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
975 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
976 local->io_debug_head = 0;
980 static inline void prism2_io_debug_error(struct net_device *dev, int err)
982 struct hostap_interface *iface = netdev_priv(dev);
983 local_info_t *local = iface->local;
986 if (!local->io_debug_enabled)
989 spin_lock_irqsave(&local->lock, flags);
990 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
991 if (local->io_debug_enabled == 1) {
992 local->io_debug_enabled = 0;
993 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
995 spin_unlock_irqrestore(&local->lock, flags);
998 #else /* PRISM2_IO_DEBUG */
1000 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1005 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1009 #endif /* PRISM2_IO_DEBUG */
1012 #ifdef PRISM2_CALLBACK
1014 /* Called when card is enabled */
1015 PRISM2_CALLBACK_ENABLE,
1017 /* Called when card is disabled */
1018 PRISM2_CALLBACK_DISABLE,
1020 /* Called when RX/TX starts/ends */
1021 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1022 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1024 void prism2_callback(local_info_t *local, int event);
1025 #else /* PRISM2_CALLBACK */
1026 #define prism2_callback(d, e) do { } while (0)
1027 #endif /* PRISM2_CALLBACK */
1029 #endif /* __KERNEL__ */
1031 #endif /* HOSTAP_WLAN_H */