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 #ifndef ARPHRD_IEEE80211
22 #define ARPHRD_IEEE80211 801
24 #ifndef ARPHRD_IEEE80211_PRISM
25 #define ARPHRD_IEEE80211_PRISM 802
28 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
29 * (from linux-wlan-ng) */
30 struct linux_wlan_ng_val {
34 } __attribute__ ((packed));
36 struct linux_wlan_ng_prism_hdr {
39 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
40 noise, rate, istx, frmlen;
41 } __attribute__ ((packed));
43 struct linux_wlan_ng_cap_hdr {
58 } __attribute__ ((packed));
60 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
61 #define LWNG_CAPHDR_VERSION 0x80211001
63 struct hfa384x_rx_frame {
64 /* HFA384X RX frame descriptor */
65 u16 status; /* HFA384X_RX_STATUS_ flags */
66 u32 time; /* timestamp, 1 microsecond resolution */
67 u8 silence; /* 27 .. 154; seems to be 0 */
68 u8 signal; /* 27 .. 154 */
69 u8 rate; /* 10, 20, 55, or 110 */
88 /* followed by frame data; max 2304 bytes */
89 } __attribute__ ((packed));
92 struct hfa384x_tx_frame {
93 /* HFA384X TX frame descriptor */
94 u16 status; /* HFA384X_TX_STATUS_ flags */
98 u8 retry_count; /* not yet implemented */
99 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
100 u16 tx_control; /* HFA384X_TX_CTRL_ flags */
103 u16 frame_control; /* parts not used */
106 u8 addr2[6]; /* filled by firmware */
108 u16 seq_ctrl; /* filled by firmware */
117 /* followed by frame data; max 2304 bytes */
118 } __attribute__ ((packed));
121 struct hfa384x_rid_hdr
125 } __attribute__ ((packed));
128 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
129 * dBm value with some accuracy */
130 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
132 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
134 struct hfa384x_scan_request {
136 u16 txrate; /* HFA384X_RATES_* */
137 } __attribute__ ((packed));
139 struct hfa384x_hostscan_request {
144 } __attribute__ ((packed));
146 struct hfa384x_join_request {
149 } __attribute__ ((packed));
151 struct hfa384x_info_frame {
154 } __attribute__ ((packed));
156 struct hfa384x_comm_tallies {
157 u16 tx_unicast_frames;
158 u16 tx_multicast_frames;
160 u16 tx_unicast_octets;
161 u16 tx_multicast_octets;
162 u16 tx_deferred_transmissions;
163 u16 tx_single_retry_frames;
164 u16 tx_multiple_retry_frames;
165 u16 tx_retry_limit_exceeded;
167 u16 rx_unicast_frames;
168 u16 rx_multicast_frames;
170 u16 rx_unicast_octets;
171 u16 rx_multicast_octets;
173 u16 rx_discards_no_buffer;
174 u16 tx_discards_wrong_sa;
175 u16 rx_discards_wep_undecryptable;
176 u16 rx_message_in_msg_fragments;
177 u16 rx_message_in_bad_msg_fragments;
178 } __attribute__ ((packed));
180 struct hfa384x_comm_tallies32 {
181 u32 tx_unicast_frames;
182 u32 tx_multicast_frames;
184 u32 tx_unicast_octets;
185 u32 tx_multicast_octets;
186 u32 tx_deferred_transmissions;
187 u32 tx_single_retry_frames;
188 u32 tx_multiple_retry_frames;
189 u32 tx_retry_limit_exceeded;
191 u32 rx_unicast_frames;
192 u32 rx_multicast_frames;
194 u32 rx_unicast_octets;
195 u32 rx_multicast_octets;
197 u32 rx_discards_no_buffer;
198 u32 tx_discards_wrong_sa;
199 u32 rx_discards_wep_undecryptable;
200 u32 rx_message_in_msg_fragments;
201 u32 rx_message_in_bad_msg_fragments;
202 } __attribute__ ((packed));
204 struct hfa384x_scan_result_hdr {
207 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
208 #define HFA384X_SCAN_HOST_INITIATED 1
209 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
210 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
211 } __attribute__ ((packed));
213 #define HFA384X_SCAN_MAX_RESULTS 32
215 struct hfa384x_scan_result {
226 } __attribute__ ((packed));
228 struct hfa384x_hostscan_result {
240 } __attribute__ ((packed));
242 struct comm_tallies_sums {
243 unsigned int tx_unicast_frames;
244 unsigned int tx_multicast_frames;
245 unsigned int tx_fragments;
246 unsigned int tx_unicast_octets;
247 unsigned int tx_multicast_octets;
248 unsigned int tx_deferred_transmissions;
249 unsigned int tx_single_retry_frames;
250 unsigned int tx_multiple_retry_frames;
251 unsigned int tx_retry_limit_exceeded;
252 unsigned int tx_discards;
253 unsigned int rx_unicast_frames;
254 unsigned int rx_multicast_frames;
255 unsigned int rx_fragments;
256 unsigned int rx_unicast_octets;
257 unsigned int rx_multicast_octets;
258 unsigned int rx_fcs_errors;
259 unsigned int rx_discards_no_buffer;
260 unsigned int tx_discards_wrong_sa;
261 unsigned int rx_discards_wep_undecryptable;
262 unsigned int rx_message_in_msg_fragments;
263 unsigned int rx_message_in_bad_msg_fragments;
267 struct hfa384x_regs {
276 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
277 /* I/O ports for HFA384X Controller access */
278 #define HFA384X_CMD_OFF 0x00
279 #define HFA384X_PARAM0_OFF 0x02
280 #define HFA384X_PARAM1_OFF 0x04
281 #define HFA384X_PARAM2_OFF 0x06
282 #define HFA384X_STATUS_OFF 0x08
283 #define HFA384X_RESP0_OFF 0x0A
284 #define HFA384X_RESP1_OFF 0x0C
285 #define HFA384X_RESP2_OFF 0x0E
286 #define HFA384X_INFOFID_OFF 0x10
287 #define HFA384X_CONTROL_OFF 0x14
288 #define HFA384X_SELECT0_OFF 0x18
289 #define HFA384X_SELECT1_OFF 0x1A
290 #define HFA384X_OFFSET0_OFF 0x1C
291 #define HFA384X_OFFSET1_OFF 0x1E
292 #define HFA384X_RXFID_OFF 0x20
293 #define HFA384X_ALLOCFID_OFF 0x22
294 #define HFA384X_TXCOMPLFID_OFF 0x24
295 #define HFA384X_SWSUPPORT0_OFF 0x28
296 #define HFA384X_SWSUPPORT1_OFF 0x2A
297 #define HFA384X_SWSUPPORT2_OFF 0x2C
298 #define HFA384X_EVSTAT_OFF 0x30
299 #define HFA384X_INTEN_OFF 0x32
300 #define HFA384X_EVACK_OFF 0x34
301 #define HFA384X_DATA0_OFF 0x36
302 #define HFA384X_DATA1_OFF 0x38
303 #define HFA384X_AUXPAGE_OFF 0x3A
304 #define HFA384X_AUXOFFSET_OFF 0x3C
305 #define HFA384X_AUXDATA_OFF 0x3E
306 #endif /* PRISM2_PCCARD || PRISM2_PLX */
309 /* Memory addresses for ISL3874 controller access */
310 #define HFA384X_CMD_OFF 0x00
311 #define HFA384X_PARAM0_OFF 0x04
312 #define HFA384X_PARAM1_OFF 0x08
313 #define HFA384X_PARAM2_OFF 0x0C
314 #define HFA384X_STATUS_OFF 0x10
315 #define HFA384X_RESP0_OFF 0x14
316 #define HFA384X_RESP1_OFF 0x18
317 #define HFA384X_RESP2_OFF 0x1C
318 #define HFA384X_INFOFID_OFF 0x20
319 #define HFA384X_CONTROL_OFF 0x28
320 #define HFA384X_SELECT0_OFF 0x30
321 #define HFA384X_SELECT1_OFF 0x34
322 #define HFA384X_OFFSET0_OFF 0x38
323 #define HFA384X_OFFSET1_OFF 0x3C
324 #define HFA384X_RXFID_OFF 0x40
325 #define HFA384X_ALLOCFID_OFF 0x44
326 #define HFA384X_TXCOMPLFID_OFF 0x48
327 #define HFA384X_PCICOR_OFF 0x4C
328 #define HFA384X_SWSUPPORT0_OFF 0x50
329 #define HFA384X_SWSUPPORT1_OFF 0x54
330 #define HFA384X_SWSUPPORT2_OFF 0x58
331 #define HFA384X_PCIHCR_OFF 0x5C
332 #define HFA384X_EVSTAT_OFF 0x60
333 #define HFA384X_INTEN_OFF 0x64
334 #define HFA384X_EVACK_OFF 0x68
335 #define HFA384X_DATA0_OFF 0x6C
336 #define HFA384X_DATA1_OFF 0x70
337 #define HFA384X_AUXPAGE_OFF 0x74
338 #define HFA384X_AUXOFFSET_OFF 0x78
339 #define HFA384X_AUXDATA_OFF 0x7C
340 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
341 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
342 #define HFA384X_PCI_M0_LEN_OFF 0x88
343 #define HFA384X_PCI_M0_CTL_OFF 0x8C
344 #define HFA384X_PCI_STATUS_OFF 0x98
345 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
346 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
347 #define HFA384X_PCI_M1_LEN_OFF 0xA8
348 #define HFA384X_PCI_M1_CTL_OFF 0xAC
350 /* PCI bus master control bits (these are undocumented; based on guessing and
351 * experimenting..) */
352 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
353 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
355 #endif /* PRISM2_PCI */
358 /* Command codes for CMD reg. */
359 #define HFA384X_CMDCODE_INIT 0x00
360 #define HFA384X_CMDCODE_ENABLE 0x01
361 #define HFA384X_CMDCODE_DISABLE 0x02
362 #define HFA384X_CMDCODE_ALLOC 0x0A
363 #define HFA384X_CMDCODE_TRANSMIT 0x0B
364 #define HFA384X_CMDCODE_INQUIRE 0x11
365 #define HFA384X_CMDCODE_ACCESS 0x21
366 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
367 #define HFA384X_CMDCODE_DOWNLOAD 0x22
368 #define HFA384X_CMDCODE_READMIF 0x30
369 #define HFA384X_CMDCODE_WRITEMIF 0x31
370 #define HFA384X_CMDCODE_TEST 0x38
372 #define HFA384X_CMDCODE_MASK 0x3F
374 /* Test mode operations */
375 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
376 #define HFA384X_TEST_MONITOR 0x0B
377 #define HFA384X_TEST_STOP 0x0F
378 #define HFA384X_TEST_CFG_BITS 0x15
379 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
381 #define HFA384X_CMD_BUSY BIT(15)
383 #define HFA384X_CMD_TX_RECLAIM BIT(8)
385 #define HFA384X_OFFSET_ERR BIT(14)
386 #define HFA384X_OFFSET_BUSY BIT(15)
389 /* ProgMode for download command */
390 #define HFA384X_PROGMODE_DISABLE 0
391 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
392 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
393 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
395 #define HFA384X_AUX_MAGIC0 0xfe01
396 #define HFA384X_AUX_MAGIC1 0xdc23
397 #define HFA384X_AUX_MAGIC2 0xba45
399 #define HFA384X_AUX_PORT_DISABLED 0
400 #define HFA384X_AUX_PORT_DISABLE BIT(14)
401 #define HFA384X_AUX_PORT_ENABLE BIT(15)
402 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
403 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
405 #define PRISM2_PDA_SIZE 1024
408 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
409 #define HFA384X_EV_TICK BIT(15)
410 #define HFA384X_EV_WTERR BIT(14)
411 #define HFA384X_EV_INFDROP BIT(13)
413 #define HFA384X_EV_PCI_M1 BIT(9)
414 #define HFA384X_EV_PCI_M0 BIT(8)
415 #endif /* PRISM2_PCI */
416 #define HFA384X_EV_INFO BIT(7)
417 #define HFA384X_EV_DTIM BIT(5)
418 #define HFA384X_EV_CMD BIT(4)
419 #define HFA384X_EV_ALLOC BIT(3)
420 #define HFA384X_EV_TXEXC BIT(2)
421 #define HFA384X_EV_TX BIT(1)
422 #define HFA384X_EV_RX BIT(0)
425 /* HFA384X Information frames */
426 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
427 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
428 #define HFA384X_INFO_COMMTALLIES 0xF100
429 #define HFA384X_INFO_SCANRESULTS 0xF101
430 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
431 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
432 #define HFA384X_INFO_LINKSTATUS 0xF200
433 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
434 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
435 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
436 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
438 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
439 HFA384X_LINKSTATUS_DISCONNECTED = 2,
440 HFA384X_LINKSTATUS_AP_CHANGE = 3,
441 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
442 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
443 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
445 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
446 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
447 HFA384X_PORTTYPE_HOSTAP = 6 };
449 #define HFA384X_RATES_1MBPS BIT(0)
450 #define HFA384X_RATES_2MBPS BIT(1)
451 #define HFA384X_RATES_5MBPS BIT(2)
452 #define HFA384X_RATES_11MBPS BIT(3)
454 #define HFA384X_ROAMING_FIRMWARE 1
455 #define HFA384X_ROAMING_HOST 2
456 #define HFA384X_ROAMING_DISABLED 3
458 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
459 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
460 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
461 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
463 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
464 #define HFA384X_RX_STATUS_PCF BIT(12)
465 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
466 #define HFA384X_RX_STATUS_UNDECR BIT(1)
467 #define HFA384X_RX_STATUS_FCSERR BIT(0)
469 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
470 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
471 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
472 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
474 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
475 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
478 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
479 #define HFA384X_TX_CTRL_802_11 BIT(3)
480 #define HFA384X_TX_CTRL_802_3 0
481 #define HFA384X_TX_CTRL_TX_EX BIT(2)
482 #define HFA384X_TX_CTRL_TX_OK BIT(1)
484 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
485 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
486 #define HFA384X_TX_STATUS_DISCON BIT(2)
487 #define HFA384X_TX_STATUS_FORMERR BIT(3)
489 /* HFA3861/3863 (BBP) Control Registers */
490 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
491 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
492 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
493 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
494 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
499 #define PRISM2_TXFID_COUNT 8
500 #define PRISM2_DATA_MAXLEN 2304
501 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
502 #define PRISM2_TXFID_EMPTY 0xffff
503 #define PRISM2_TXFID_RESERVED 0xfffe
504 #define PRISM2_DUMMY_FID 0xffff
505 #define MAX_SSID_LEN 32
506 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
508 #define PRISM2_DUMP_RX_HDR BIT(0)
509 #define PRISM2_DUMP_TX_HDR BIT(1)
510 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
512 struct hostap_tx_callback_info {
514 void (*func)(struct sk_buff *, int ok, void *);
516 struct hostap_tx_callback_info *next;
520 /* IEEE 802.11 requires that STA supports concurrent reception of at least
521 * three fragmented frames. This define can be increased to support more
522 * concurrent frames, but it should be noted that each entry can consume about
523 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
524 #define PRISM2_FRAG_CACHE_LEN 4
526 struct prism2_frag_entry {
527 unsigned long first_frag_time;
529 unsigned int last_frag;
531 u8 src_addr[ETH_ALEN];
532 u8 dst_addr[ETH_ALEN];
536 struct hostap_cmd_queue {
537 struct list_head list;
538 wait_queue_head_t compl;
539 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
540 void (*callback)(struct net_device *dev, long context, u16 resp0,
543 u16 cmd, param0, param1;
545 volatile int issued, issuing;
551 /* options for hw_shutdown */
552 #define HOSTAP_HW_NO_DISABLE BIT(0)
553 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
555 typedef struct local_info local_info_t;
557 struct prism2_helper_functions {
558 /* these functions are defined in hardware model specific files
559 * (hostap_{cs,plx,pci}.c */
560 int (*card_present)(local_info_t *local);
561 void (*cor_sreset)(local_info_t *local);
562 int (*dev_open)(local_info_t *local);
563 int (*dev_close)(local_info_t *local);
564 void (*genesis_reset)(local_info_t *local, int hcr);
566 /* the following functions are from hostap_hw.c, but they may have some
567 * hardware model specific code */
569 /* FIX: low-level commands like cmd might disappear at some point to
570 * make it easier to change them if needed (e.g., cmd would be replaced
571 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
572 * set_rid might move to hostap_{cs,plx,pci}.c */
573 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
575 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
576 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
578 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
579 int (*hw_enable)(struct net_device *dev, int initial);
580 int (*hw_config)(struct net_device *dev, int initial);
581 void (*hw_reset)(struct net_device *dev);
582 void (*hw_shutdown)(struct net_device *dev, int no_disable);
583 int (*reset_port)(struct net_device *dev);
584 void (*schedule_reset)(local_info_t *local);
585 int (*download)(local_info_t *local,
586 struct prism2_download_param *param);
587 int (*tx)(struct sk_buff *skb, struct net_device *dev);
588 int (*set_tim)(struct net_device *dev, int aid, int set);
589 int (*read_aux)(struct net_device *dev, unsigned addr, int len,
592 int need_tx_headroom; /* number of bytes of headroom needed before
593 * IEEE 802.11 header */
594 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
598 struct prism2_download_data {
602 struct prism2_download_data_area {
603 u32 addr; /* wlan card address */
605 u8 *data; /* allocated data */
610 #define HOSTAP_MAX_BSS_COUNT 64
611 #define MAX_WPA_IE_LEN 64
613 struct hostap_bss_info {
614 struct list_head list;
615 unsigned long last_update;
621 u8 wpa_ie[MAX_WPA_IE_LEN];
623 u8 rsn_ie[MAX_WPA_IE_LEN];
630 /* Per radio private Host AP data - shared by all net devices interfaces used
631 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
632 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
635 struct module *hw_module;
638 int master_dev_auto_open; /* was master device opened automatically */
639 int num_dev_open; /* number of open devices */
640 struct net_device *dev; /* master radio device */
641 struct net_device *ddev; /* main data device */
642 struct list_head hostap_interfaces; /* Host AP interface list (contains
643 * struct hostap_interface entries)
645 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
646 * when removing entries from the list.
647 * TX and RX paths can use read lock. */
648 spinlock_t cmdlock, baplock, lock;
649 struct semaphore rid_bap_sem;
650 u16 infofid; /* MAC buffer id for info frame */
651 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
653 spinlock_t txfidlock;
654 int txfid_len; /* length of allocated TX buffers */
655 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
656 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
657 * corresponding txfid is free for next TX frame */
658 u16 intransmitfid[PRISM2_TXFID_COUNT];
659 int next_txfid; /* index to the next txfid to be checked for
661 int next_alloc; /* index to the next intransmitfid to be checked for
662 * allocation events */
664 /* bitfield for atomic bitops */
665 #define HOSTAP_BITS_TRANSMIT 0
666 #define HOSTAP_BITS_BAP_TASKLET 1
667 #define HOSTAP_BITS_BAP_TASKLET2 2
672 char essid[MAX_SSID_LEN + 1];
673 char name[MAX_NAME_LEN + 1];
675 u16 channel_mask; /* mask of allowed channels */
676 u16 scan_channel_mask; /* mask of channels to be scanned */
677 struct comm_tallies_sums comm_tallies;
678 struct net_device_stats stats;
679 struct proc_dir_entry *proc;
680 int iw_mode; /* operating mode (IW_MODE_*) */
681 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
682 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
683 char bssid[ETH_ALEN];
688 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
689 int fw_tx_rate_control;
694 int hw_reset_tries; /* how many times reset has been tried */
698 int no_pri; /* no PRI f/w present */
699 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
702 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
703 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
705 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
707 /* command queue for hfa384x_cmd(); protected with cmdlock */
708 struct list_head cmd_queue;
709 /* max_len for cmd_queue; in addition, cmd_callback can use two
710 * additional entries to prevent sleeping commands from stopping
712 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
713 int cmd_queue_len; /* number of entries in cmd_queue */
715 /* if card timeout is detected in interrupt context, reset_queue is
716 * used to schedule card reseting to be done in user context */
717 struct work_struct reset_queue;
719 /* For scheduling a change of the promiscuous mode RID */
721 struct work_struct set_multicast_list_queue;
723 struct work_struct set_tim_queue;
724 struct list_head set_tim_list;
725 spinlock_t set_tim_lock;
727 int wds_max_connections;
729 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
730 #define HOSTAP_WDS_AP_CLIENT BIT(1)
731 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
733 u16 tx_control; /* flags to be used in TX description */
734 int manual_retry_count; /* -1 = use f/w default; otherwise retry count
735 * to be used with all frames */
737 struct iw_statistics wstats;
738 unsigned long scan_timestamp; /* Time started to scan */
740 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
741 PRISM2_MONITOR_CAPHDR = 2
743 int (*saved_eth_header_parse)(struct sk_buff *skb,
744 unsigned char *haddr);
745 int monitor_allow_fcserr;
747 int hostapd; /* whether user space daemon, hostapd, is used for AP
749 int hostapd_sta; /* whether hostapd is used with an extra STA interface
751 struct net_device *apdev;
752 struct net_device_stats apdevstats;
754 char assoc_ap_addr[ETH_ALEN];
755 struct net_device *stadev;
756 struct net_device_stats stadevstats;
759 #define WEP_KEY_LEN 13
760 struct ieee80211_crypt_data *crypt[WEP_KEYS];
761 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
762 struct timer_list crypt_deinit_timer;
763 struct list_head crypt_deinit_list;
765 int open_wep; /* allow unencrypted frames */
768 int privacy_invoked; /* force privacy invoked flag even if no keys are
770 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
771 * in Host AP mode (STA f/w 1.4.9 or newer) */
772 int bcrx_sta_key; /* use individual keys to override default keys even
773 * with RX of broad/multicast frames */
775 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
776 unsigned int frag_next_idx;
778 int ieee_802_1x; /* is IEEE 802.1X used */
780 int antsel_tx, antsel_rx;
781 int rts_threshold; /* dot11RTSThreshold */
782 int fragm_threshold; /* dot11FragmentationThreshold */
783 int auth_algs; /* PRISM2_AUTH_ flags */
785 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
786 int tallies32; /* 32-bit tallies in use */
788 struct prism2_helper_functions *func;
790 int bus_master_threshold_tx;
791 int bus_master_threshold_rx;
796 #define PRISM2_FW_VER(major, minor, variant) \
797 (((major) << 16) | ((minor) << 8) | variant)
800 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
802 struct tasklet_struct bap_tasklet;
804 struct tasklet_struct info_tasklet;
805 struct sk_buff_head info_list; /* info frames as skb's for
808 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
811 struct tasklet_struct rx_tasklet;
812 struct sk_buff_head rx_list;
814 struct tasklet_struct sta_tx_exc_tasklet;
815 struct sk_buff_head sta_tx_exc_list;
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 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 */
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 */
836 wait_queue_head_t hostscan_wq;
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;
844 struct timer_list tick_timer;
845 unsigned long last_tick_timer;
846 unsigned int sw_tick_stuck;
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;
856 /* RSSI to dBm adjustment (for RX descriptor fields) */
857 int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
859 /* BSS list / protected by local->lock */
860 struct list_head bss_list;
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 */
868 size_t generic_elem_len;
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 */
876 #ifdef PRISM2_IO_DEBUG
877 #define PRISM2_IO_DEBUG_SIZE 10000
878 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
880 int io_debug_enabled;
881 #endif /* PRISM2_IO_DEBUG */
883 /* struct local_info is used also in hostap.o that does not define
884 * any PRISM2_{PCCARD,PLX,PCI}. Make sure that the hardware version
885 * specific fields are in the end of the struct (these could also be
886 * moved to void *priv or something like that). */
890 int sandisk_connectplus;
891 #endif /* PRISM2_PCCARD */
894 void __iomem *attr_mem;
895 unsigned int cor_offset;
896 #endif /* PRISM2_PLX */
899 void __iomem *mem_start;
900 #ifdef PRISM2_BUS_MASTER
901 /* bus master for BAP0 (TX) */
905 /* bus master for BAP1 (RX) */
906 struct sk_buff *rx_skb;
907 #endif /* PRISM2_BUS_MASTER */
908 #endif /* PRISM2_PCI */
910 /* NOTE! Do not add common entries here after hardware version
911 * specific blocks. */
915 /* Per interface private Host AP data
916 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
917 * WDS) and netdev_priv(dev) points to this structure. */
918 struct hostap_interface {
919 struct list_head list; /* list entry in Host AP interface list */
920 struct net_device *dev; /* pointer to this device */
921 struct local_info *local; /* pointer to shared private data */
922 struct net_device_stats stats;
923 struct iw_spy_data spy_data; /* iwspy support */
924 struct iw_public_data wireless_data;
927 HOSTAP_INTERFACE_MASTER,
928 HOSTAP_INTERFACE_MAIN,
930 HOSTAP_INTERFACE_STA,
931 HOSTAP_INTERFACE_WDS,
935 struct hostap_interface_wds {
936 u8 remote_addr[ETH_ALEN];
942 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
944 /* TX meta data - stored in skb->cb buffer, so this must be not increase over
946 struct hostap_skb_tx_data {
947 unsigned int magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
948 int rate; /* transmit rate */
949 struct hostap_interface *iface;
950 unsigned long jiffies; /* queueing timestamp */
952 unsigned short ethertype;
957 #ifndef PRISM2_NO_DEBUG
959 #define DEBUG_FID BIT(0)
960 #define DEBUG_PS BIT(1)
961 #define DEBUG_FLOW BIT(2)
962 #define DEBUG_AP BIT(3)
963 #define DEBUG_HW BIT(4)
964 #define DEBUG_EXTRA BIT(5)
965 #define DEBUG_EXTRA2 BIT(6)
966 #define DEBUG_PS2 BIT(7)
967 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
968 #define PDEBUG(n, args...) \
969 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
970 #define PDEBUG2(n, args...) \
971 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
973 #else /* PRISM2_NO_DEBUG */
975 #define PDEBUG(n, args...)
976 #define PDEBUG2(n, args...)
978 #endif /* PRISM2_NO_DEBUG */
980 enum { BAP0 = 0, BAP1 = 1 };
982 #define PRISM2_IO_DEBUG_CMD_INB 0
983 #define PRISM2_IO_DEBUG_CMD_INW 1
984 #define PRISM2_IO_DEBUG_CMD_INSW 2
985 #define PRISM2_IO_DEBUG_CMD_OUTB 3
986 #define PRISM2_IO_DEBUG_CMD_OUTW 4
987 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
988 #define PRISM2_IO_DEBUG_CMD_ERROR 6
989 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
991 #ifdef PRISM2_IO_DEBUG
993 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
994 (((cmd) << 24) | ((reg) << 16) | value)
996 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
999 struct hostap_interface *iface = netdev_priv(dev);
1000 local_info_t *local = iface->local;
1002 if (!local->io_debug_enabled)
1005 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
1006 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
1007 local->io_debug_head = 0;
1008 local->io_debug[local->io_debug_head] =
1009 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
1010 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
1011 local->io_debug_head = 0;
1015 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1017 struct hostap_interface *iface = netdev_priv(dev);
1018 local_info_t *local = iface->local;
1019 unsigned long flags;
1021 if (!local->io_debug_enabled)
1024 spin_lock_irqsave(&local->lock, flags);
1025 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1026 if (local->io_debug_enabled == 1) {
1027 local->io_debug_enabled = 0;
1028 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1030 spin_unlock_irqrestore(&local->lock, flags);
1033 #else /* PRISM2_IO_DEBUG */
1035 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1040 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1044 #endif /* PRISM2_IO_DEBUG */
1047 #ifdef PRISM2_CALLBACK
1049 /* Called when card is enabled */
1050 PRISM2_CALLBACK_ENABLE,
1052 /* Called when card is disabled */
1053 PRISM2_CALLBACK_DISABLE,
1055 /* Called when RX/TX starts/ends */
1056 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1057 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1059 void prism2_callback(local_info_t *local, int event);
1060 #else /* PRISM2_CALLBACK */
1061 #define prism2_callback(d, e) do { } while (0)
1062 #endif /* PRISM2_CALLBACK */
1064 #endif /* __KERNEL__ */
1066 #endif /* HOSTAP_WLAN_H */