1 #ifndef HOSTAP_WLAN_H
2 #define HOSTAP_WLAN_H
3
4 #include <linux/wireless.h>
5 #include <linux/netdevice.h>
6 #include <linux/mutex.h>
7 #include <net/iw_handler.h>
8 #include <net/ieee80211_radiotap.h>
9 #include <net/lib80211.h>
10
11 #include "hostap_config.h"
12 #include "hostap_common.h"
13
14 #define MAX_PARM_DEVICES 8
15 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
16 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
17 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
18
19
20 /* Specific skb->protocol value that indicates that the packet already contains
21 * txdesc header.
22 * FIX: This might need own value that would be allocated especially for Prism2
23 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
24 * However, these skb's should have only minimal path in the kernel side since
25 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
26 #define ETH_P_HOSTAP ETH_P_CONTROL
27
28 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
29 * (from linux-wlan-ng) */
30 struct linux_wlan_ng_val {
31 u32 did;
32 u16 status, len;
33 u32 data;
34 } __attribute__ ((packed));
35
36 struct linux_wlan_ng_prism_hdr {
37 u32 msgcode, msglen;
38 char devname[16];
39 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
40 noise, rate, istx, frmlen;
41 } __attribute__ ((packed));
42
43 struct linux_wlan_ng_cap_hdr {
44 __be32 version;
45 __be32 length;
46 __be64 mactime;
47 __be64 hosttime;
48 __be32 phytype;
49 __be32 channel;
50 __be32 datarate;
51 __be32 antenna;
52 __be32 priority;
53 __be32 ssi_type;
54 __be32 ssi_signal;
55 __be32 ssi_noise;
56 __be32 preamble;
57 __be32 encoding;
58 } __attribute__ ((packed));
59
60 struct hostap_radiotap_rx {
61 struct ieee80211_radiotap_header hdr;
62 __le64 tsft;
63 u8 rate;
64 u8 padding;
65 __le16 chan_freq;
66 __le16 chan_flags;
67 s8 dbm_antsignal;
68 s8 dbm_antnoise;
69 } __attribute__ ((packed));
70
71 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
72 #define LWNG_CAPHDR_VERSION 0x80211001
73
74 struct hfa384x_rx_frame {
75 /* HFA384X RX frame descriptor */
76 __le16 status; /* HFA384X_RX_STATUS_ flags */
77 __le32 time; /* timestamp, 1 microsecond resolution */
78 u8 silence; /* 27 .. 154; seems to be 0 */
79 u8 signal; /* 27 .. 154 */
80 u8 rate; /* 10, 20, 55, or 110 */
81 u8 rxflow;
82 __le32 reserved;
83
84 /* 802.11 */
85 __le16 frame_control;
86 __le16 duration_id;
87 u8 addr1[6];
88 u8 addr2[6];
89 u8 addr3[6];
90 __le16 seq_ctrl;
91 u8 addr4[6];
92 __le16 data_len;
93
94 /* 802.3 */
95 u8 dst_addr[6];
96 u8 src_addr[6];
97 __be16 len;
98
99 /* followed by frame data; max 2304 bytes */
100 } __attribute__ ((packed));
101
102
103 struct hfa384x_tx_frame {
104 /* HFA384X TX frame descriptor */
105 __le16 status; /* HFA384X_TX_STATUS_ flags */
106 __le16 reserved1;
107 __le16 reserved2;
108 __le32 sw_support;
109 u8 retry_count; /* not yet implemented */
110 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
111 __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
112
113 /* 802.11 */
114 __le16 frame_control; /* parts not used */
115 __le16 duration_id;
116 u8 addr1[6];
117 u8 addr2[6]; /* filled by firmware */
118 u8 addr3[6];
119 __le16 seq_ctrl; /* filled by firmware */
120 u8 addr4[6];
121 __le16 data_len;
122
123 /* 802.3 */
124 u8 dst_addr[6];
125 u8 src_addr[6];
126 __be16 len;
127
128 /* followed by frame data; max 2304 bytes */
129 } __attribute__ ((packed));
130
131
132 struct hfa384x_rid_hdr
133 {
134 __le16 len;
135 __le16 rid;
136 } __attribute__ ((packed));
137
138
139 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
140 * dBm value with some accuracy */
141 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
142
143 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
144
145 struct hfa384x_scan_request {
146 __le16 channel_list;
147 __le16 txrate; /* HFA384X_RATES_* */
148 } __attribute__ ((packed));
149
150 struct hfa384x_hostscan_request {
151 __le16 channel_list;
152 __le16 txrate;
153 __le16 target_ssid_len;
154 u8 target_ssid[32];
155 } __attribute__ ((packed));
156
157 struct hfa384x_join_request {
158 u8 bssid[6];
159 __le16 channel;
160 } __attribute__ ((packed));
161
162 struct hfa384x_info_frame {
163 __le16 len;
164 __le16 type;
165 } __attribute__ ((packed));
166
167 struct hfa384x_comm_tallies {
168 __le16 tx_unicast_frames;
169 __le16 tx_multicast_frames;
170 __le16 tx_fragments;
171 __le16 tx_unicast_octets;
172 __le16 tx_multicast_octets;
173 __le16 tx_deferred_transmissions;
174 __le16 tx_single_retry_frames;
175 __le16 tx_multiple_retry_frames;
176 __le16 tx_retry_limit_exceeded;
177 __le16 tx_discards;
178 __le16 rx_unicast_frames;
179 __le16 rx_multicast_frames;
180 __le16 rx_fragments;
181 __le16 rx_unicast_octets;
182 __le16 rx_multicast_octets;
183 __le16 rx_fcs_errors;
184 __le16 rx_discards_no_buffer;
185 __le16 tx_discards_wrong_sa;
186 __le16 rx_discards_wep_undecryptable;
187 __le16 rx_message_in_msg_fragments;
188 __le16 rx_message_in_bad_msg_fragments;
189 } __attribute__ ((packed));
190
191 struct hfa384x_comm_tallies32 {
192 __le32 tx_unicast_frames;
193 __le32 tx_multicast_frames;
194 __le32 tx_fragments;
195 __le32 tx_unicast_octets;
196 __le32 tx_multicast_octets;
197 __le32 tx_deferred_transmissions;
198 __le32 tx_single_retry_frames;
199 __le32 tx_multiple_retry_frames;
200 __le32 tx_retry_limit_exceeded;
201 __le32 tx_discards;
202 __le32 rx_unicast_frames;
203 __le32 rx_multicast_frames;
204 __le32 rx_fragments;
205 __le32 rx_unicast_octets;
206 __le32 rx_multicast_octets;
207 __le32 rx_fcs_errors;
208 __le32 rx_discards_no_buffer;
209 __le32 tx_discards_wrong_sa;
210 __le32 rx_discards_wep_undecryptable;
211 __le32 rx_message_in_msg_fragments;
212 __le32 rx_message_in_bad_msg_fragments;
213 } __attribute__ ((packed));
214
215 struct hfa384x_scan_result_hdr {
216 __le16 reserved;
217 __le16 scan_reason;
218 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
219 #define HFA384X_SCAN_HOST_INITIATED 1
220 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
221 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
222 } __attribute__ ((packed));
223
224 #define HFA384X_SCAN_MAX_RESULTS 32
225
226 struct hfa384x_scan_result {
227 __le16 chid;
228 __le16 anl;
229 __le16 sl;
230 u8 bssid[6];
231 __le16 beacon_interval;
232 __le16 capability;
233 __le16 ssid_len;
234 u8 ssid[32];
235 u8 sup_rates[10];
236 __le16 rate;
237 } __attribute__ ((packed));
238
239 struct hfa384x_hostscan_result {
240 __le16 chid;
241 __le16 anl;
242 __le16 sl;
243 u8 bssid[6];
244 __le16 beacon_interval;
245 __le16 capability;
246 __le16 ssid_len;
247 u8 ssid[32];
248 u8 sup_rates[10];
249 __le16 rate;
250 __le16 atim;
251 } __attribute__ ((packed));
252
253 struct comm_tallies_sums {
254 unsigned int tx_unicast_frames;
255 unsigned int tx_multicast_frames;
256 unsigned int tx_fragments;
257 unsigned int tx_unicast_octets;
258 unsigned int tx_multicast_octets;
259 unsigned int tx_deferred_transmissions;
260 unsigned int tx_single_retry_frames;
261 unsigned int tx_multiple_retry_frames;
262 unsigned int tx_retry_limit_exceeded;
263 unsigned int tx_discards;
264 unsigned int rx_unicast_frames;
265 unsigned int rx_multicast_frames;
266 unsigned int rx_fragments;
267 unsigned int rx_unicast_octets;
268 unsigned int rx_multicast_octets;
269 unsigned int rx_fcs_errors;
270 unsigned int rx_discards_no_buffer;
271 unsigned int tx_discards_wrong_sa;
272 unsigned int rx_discards_wep_undecryptable;
273 unsigned int rx_message_in_msg_fragments;
274 unsigned int rx_message_in_bad_msg_fragments;
275 };
276
277
278 struct hfa384x_regs {
279 u16 cmd;
280 u16 evstat;
281 u16 offset0;
282 u16 offset1;
283 u16 swsupport0;
284 };
285
286
287 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
288 /* I/O ports for HFA384X Controller access */
289 #define HFA384X_CMD_OFF 0x00
290 #define HFA384X_PARAM0_OFF 0x02
291 #define HFA384X_PARAM1_OFF 0x04
292 #define HFA384X_PARAM2_OFF 0x06
293 #define HFA384X_STATUS_OFF 0x08
294 #define HFA384X_RESP0_OFF 0x0A
295 #define HFA384X_RESP1_OFF 0x0C
296 #define HFA384X_RESP2_OFF 0x0E
297 #define HFA384X_INFOFID_OFF 0x10
298 #define HFA384X_CONTROL_OFF 0x14
299 #define HFA384X_SELECT0_OFF 0x18
300 #define HFA384X_SELECT1_OFF 0x1A
301 #define HFA384X_OFFSET0_OFF 0x1C
302 #define HFA384X_OFFSET1_OFF 0x1E
303 #define HFA384X_RXFID_OFF 0x20
304 #define HFA384X_ALLOCFID_OFF 0x22
305 #define HFA384X_TXCOMPLFID_OFF 0x24
306 #define HFA384X_SWSUPPORT0_OFF 0x28
307 #define HFA384X_SWSUPPORT1_OFF 0x2A
308 #define HFA384X_SWSUPPORT2_OFF 0x2C
309 #define HFA384X_EVSTAT_OFF 0x30
310 #define HFA384X_INTEN_OFF 0x32
311 #define HFA384X_EVACK_OFF 0x34
312 #define HFA384X_DATA0_OFF 0x36
313 #define HFA384X_DATA1_OFF 0x38
314 #define HFA384X_AUXPAGE_OFF 0x3A
315 #define HFA384X_AUXOFFSET_OFF 0x3C
316 #define HFA384X_AUXDATA_OFF 0x3E
317 #endif /* PRISM2_PCCARD || PRISM2_PLX */
318
319 #ifdef PRISM2_PCI
320 /* Memory addresses for ISL3874 controller access */
321 #define HFA384X_CMD_OFF 0x00
322 #define HFA384X_PARAM0_OFF 0x04
323 #define HFA384X_PARAM1_OFF 0x08
324 #define HFA384X_PARAM2_OFF 0x0C
325 #define HFA384X_STATUS_OFF 0x10
326 #define HFA384X_RESP0_OFF 0x14
327 #define HFA384X_RESP1_OFF 0x18
328 #define HFA384X_RESP2_OFF 0x1C
329 #define HFA384X_INFOFID_OFF 0x20
330 #define HFA384X_CONTROL_OFF 0x28
331 #define HFA384X_SELECT0_OFF 0x30
332 #define HFA384X_SELECT1_OFF 0x34
333 #define HFA384X_OFFSET0_OFF 0x38
334 #define HFA384X_OFFSET1_OFF 0x3C
335 #define HFA384X_RXFID_OFF 0x40
336 #define HFA384X_ALLOCFID_OFF 0x44
337 #define HFA384X_TXCOMPLFID_OFF 0x48
338 #define HFA384X_PCICOR_OFF 0x4C
339 #define HFA384X_SWSUPPORT0_OFF 0x50
340 #define HFA384X_SWSUPPORT1_OFF 0x54
341 #define HFA384X_SWSUPPORT2_OFF 0x58
342 #define HFA384X_PCIHCR_OFF 0x5C
343 #define HFA384X_EVSTAT_OFF 0x60
344 #define HFA384X_INTEN_OFF 0x64
345 #define HFA384X_EVACK_OFF 0x68
346 #define HFA384X_DATA0_OFF 0x6C
347 #define HFA384X_DATA1_OFF 0x70
348 #define HFA384X_AUXPAGE_OFF 0x74
349 #define HFA384X_AUXOFFSET_OFF 0x78
350 #define HFA384X_AUXDATA_OFF 0x7C
351 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
352 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
353 #define HFA384X_PCI_M0_LEN_OFF 0x88
354 #define HFA384X_PCI_M0_CTL_OFF 0x8C
355 #define HFA384X_PCI_STATUS_OFF 0x98
356 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
357 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
358 #define HFA384X_PCI_M1_LEN_OFF 0xA8
359 #define HFA384X_PCI_M1_CTL_OFF 0xAC
360
361 /* PCI bus master control bits (these are undocumented; based on guessing and
362 * experimenting..) */
363 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
364 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
365
366 #endif /* PRISM2_PCI */
367
368
369 /* Command codes for CMD reg. */
370 #define HFA384X_CMDCODE_INIT 0x00
371 #define HFA384X_CMDCODE_ENABLE 0x01
372 #define HFA384X_CMDCODE_DISABLE 0x02
373 #define HFA384X_CMDCODE_ALLOC 0x0A
374 #define HFA384X_CMDCODE_TRANSMIT 0x0B
375 #define HFA384X_CMDCODE_INQUIRE 0x11
376 #define HFA384X_CMDCODE_ACCESS 0x21
377 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
378 #define HFA384X_CMDCODE_DOWNLOAD 0x22
379 #define HFA384X_CMDCODE_READMIF 0x30
380 #define HFA384X_CMDCODE_WRITEMIF 0x31
381 #define HFA384X_CMDCODE_TEST 0x38
382
383 #define HFA384X_CMDCODE_MASK 0x3F
384
385 /* Test mode operations */
386 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
387 #define HFA384X_TEST_MONITOR 0x0B
388 #define HFA384X_TEST_STOP 0x0F
389 #define HFA384X_TEST_CFG_BITS 0x15
390 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
391
392 #define HFA384X_CMD_BUSY BIT(15)
393
394 #define HFA384X_CMD_TX_RECLAIM BIT(8)
395
396 #define HFA384X_OFFSET_ERR BIT(14)
397 #define HFA384X_OFFSET_BUSY BIT(15)
398
399
400 /* ProgMode for download command */
401 #define HFA384X_PROGMODE_DISABLE 0
402 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
403 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
404 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
405
406 #define HFA384X_AUX_MAGIC0 0xfe01
407 #define HFA384X_AUX_MAGIC1 0xdc23
408 #define HFA384X_AUX_MAGIC2 0xba45
409
410 #define HFA384X_AUX_PORT_DISABLED 0
411 #define HFA384X_AUX_PORT_DISABLE BIT(14)
412 #define HFA384X_AUX_PORT_ENABLE BIT(15)
413 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
414 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
415
416 #define PRISM2_PDA_SIZE 1024
417
418
419 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
420 #define HFA384X_EV_TICK BIT(15)
421 #define HFA384X_EV_WTERR BIT(14)
422 #define HFA384X_EV_INFDROP BIT(13)
423 #ifdef PRISM2_PCI
424 #define HFA384X_EV_PCI_M1 BIT(9)
425 #define HFA384X_EV_PCI_M0 BIT(8)
426 #endif /* PRISM2_PCI */
427 #define HFA384X_EV_INFO BIT(7)
428 #define HFA384X_EV_DTIM BIT(5)
429 #define HFA384X_EV_CMD BIT(4)
430 #define HFA384X_EV_ALLOC BIT(3)
431 #define HFA384X_EV_TXEXC BIT(2)
432 #define HFA384X_EV_TX BIT(1)
433 #define HFA384X_EV_RX BIT(0)
434
435
436 /* HFA384X Information frames */
437 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
438 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
439 #define HFA384X_INFO_COMMTALLIES 0xF100
440 #define HFA384X_INFO_SCANRESULTS 0xF101
441 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
442 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
443 #define HFA384X_INFO_LINKSTATUS 0xF200
444 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
445 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
446 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
447 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
448
449 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
450 HFA384X_LINKSTATUS_DISCONNECTED = 2,
451 HFA384X_LINKSTATUS_AP_CHANGE = 3,
452 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
453 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
454 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
455
456 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
457 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
458 HFA384X_PORTTYPE_HOSTAP = 6 };
459
460 #define HFA384X_RATES_1MBPS BIT(0)
461 #define HFA384X_RATES_2MBPS BIT(1)
462 #define HFA384X_RATES_5MBPS BIT(2)
463 #define HFA384X_RATES_11MBPS BIT(3)
464
465 #define HFA384X_ROAMING_FIRMWARE 1
466 #define HFA384X_ROAMING_HOST 2
467 #define HFA384X_ROAMING_DISABLED 3
468
469 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
470 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
471 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
472 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
473
474 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
475 #define HFA384X_RX_STATUS_PCF BIT(12)
476 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
477 #define HFA384X_RX_STATUS_UNDECR BIT(1)
478 #define HFA384X_RX_STATUS_FCSERR BIT(0)
479
480 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
481 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
482 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
483 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
484
485 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
486 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
487
488
489 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
490 #define HFA384X_TX_CTRL_802_11 BIT(3)
491 #define HFA384X_TX_CTRL_802_3 0
492 #define HFA384X_TX_CTRL_TX_EX BIT(2)
493 #define HFA384X_TX_CTRL_TX_OK BIT(1)
494
495 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
496 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
497 #define HFA384X_TX_STATUS_DISCON BIT(2)
498 #define HFA384X_TX_STATUS_FORMERR BIT(3)
499
500 /* HFA3861/3863 (BBP) Control Registers */
501 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
502 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
503 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
504 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
505 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
506
507
508 #ifdef __KERNEL__
509
510 #define PRISM2_TXFID_COUNT 8
511 #define PRISM2_DATA_MAXLEN 2304
512 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
513 #define PRISM2_TXFID_EMPTY 0xffff
514 #define PRISM2_TXFID_RESERVED 0xfffe
515 #define PRISM2_DUMMY_FID 0xffff
516 #define MAX_SSID_LEN 32
517 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
518
519 #define PRISM2_DUMP_RX_HDR BIT(0)
520 #define PRISM2_DUMP_TX_HDR BIT(1)
521 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
522
523 struct hostap_tx_callback_info {
524 u16 idx;
525 void (*func)(struct sk_buff *, int ok, void *);
526 void *data;
527 struct hostap_tx_callback_info *next;
528 };
529
530
531 /* IEEE 802.11 requires that STA supports concurrent reception of at least
532 * three fragmented frames. This define can be increased to support more
533 * concurrent frames, but it should be noted that each entry can consume about
534 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
535 #define PRISM2_FRAG_CACHE_LEN 4
536
537 struct prism2_frag_entry {
538 unsigned long first_frag_time;
539 unsigned int seq;
540 unsigned int last_frag;
541 struct sk_buff *skb;
542 u8 src_addr[ETH_ALEN];
543 u8 dst_addr[ETH_ALEN];
544 };
545
546
547 struct hostap_cmd_queue {
548 struct list_head list;
549 wait_queue_head_t compl;
550 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
551 void (*callback)(struct net_device *dev, long context, u16 resp0,
552 u16 res);
553 long context;
554 u16 cmd, param0, param1;
555 u16 resp0, res;
556 volatile int issued, issuing;
557
558 atomic_t usecnt;
559 int del_req;
560 };
561
562 /* options for hw_shutdown */
563 #define HOSTAP_HW_NO_DISABLE BIT(0)
564 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
565
566 typedef struct local_info local_info_t;
567
568 struct prism2_helper_functions {
569 /* these functions are defined in hardware model specific files
570 * (hostap_{cs,plx,pci}.c */
571 int (*card_present)(local_info_t *local);
572 void (*cor_sreset)(local_info_t *local);
573 void (*genesis_reset)(local_info_t *local, int hcr);
574
575 /* the following functions are from hostap_hw.c, but they may have some
576 * hardware model specific code */
577
578 /* FIX: low-level commands like cmd might disappear at some point to
579 * make it easier to change them if needed (e.g., cmd would be replaced
580 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
581 * set_rid might move to hostap_{cs,plx,pci}.c */
582 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
583 u16 *resp0);
584 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
585 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
586 int exact_len);
587 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
588 int (*hw_enable)(struct net_device *dev, int initial);
589 int (*hw_config)(struct net_device *dev, int initial);
590 void (*hw_reset)(struct net_device *dev);
591 void (*hw_shutdown)(struct net_device *dev, int no_disable);
592 int (*reset_port)(struct net_device *dev);
593 void (*schedule_reset)(local_info_t *local);
594 int (*download)(local_info_t *local,
595 struct prism2_download_param *param);
596 int (*tx)(struct sk_buff *skb, struct net_device *dev);
597 int (*set_tim)(struct net_device *dev, int aid, int set);
598 int (*read_aux)(struct net_device *dev, unsigned addr, int len,
599 u8 *buf);
600
601 int need_tx_headroom; /* number of bytes of headroom needed before
602 * IEEE 802.11 header */
603 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
604 };
605
606
607 struct prism2_download_data {
608 u32 dl_cmd;
609 u32 start_addr;
610 u32 num_areas;
611 struct prism2_download_data_area {
612 u32 addr; /* wlan card address */
613 u32 len;
614 u8 *data; /* allocated data */
615 } data[0];
616 };
617
618
619 #define HOSTAP_MAX_BSS_COUNT 64
620 #define MAX_WPA_IE_LEN 64
621
622 struct hostap_bss_info {
623 struct list_head list;
624 unsigned long last_update;
625 unsigned int count;
626 u8 bssid[ETH_ALEN];
627 u16 capab_info;
628 u8 ssid[32];
629 size_t ssid_len;
630 u8 wpa_ie[MAX_WPA_IE_LEN];
631 size_t wpa_ie_len;
632 u8 rsn_ie[MAX_WPA_IE_LEN];
633 size_t rsn_ie_len;
634 int chan;
635 int included;
636 };
637
638
639 /* Per radio private Host AP data - shared by all net devices interfaces used
640 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
641 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
642 * structure. */
643 struct local_info {
644 struct module *hw_module;
645 int card_idx;
646 int dev_enabled;
647 int master_dev_auto_open; /* was master device opened automatically */
648 int num_dev_open; /* number of open devices */
649 struct net_device *dev; /* master radio device */
650 struct net_device *ddev; /* main data device */
651 struct list_head hostap_interfaces; /* Host AP interface list (contains
652 * struct hostap_interface entries)
653 */
654 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
655 * when removing entries from the list.
656 * TX and RX paths can use read lock. */
657 spinlock_t cmdlock, baplock, lock;
658 struct mutex rid_bap_mtx;
659 u16 infofid; /* MAC buffer id for info frame */
660 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
661 * txfidlock */
662 spinlock_t txfidlock;
663 int txfid_len; /* length of allocated TX buffers */
664 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
665 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
666 * corresponding txfid is free for next TX frame */
667 u16 intransmitfid[PRISM2_TXFID_COUNT];
668 int next_txfid; /* index to the next txfid to be checked for
669 * availability */
670 int next_alloc; /* index to the next intransmitfid to be checked for
671 * allocation events */
672
673 /* bitfield for atomic bitops */
674 #define HOSTAP_BITS_TRANSMIT 0
675 #define HOSTAP_BITS_BAP_TASKLET 1
676 #define HOSTAP_BITS_BAP_TASKLET2 2
677 unsigned long bits;
678
679 struct ap_data *ap;
680
681 char essid[MAX_SSID_LEN + 1];
682 char name[MAX_NAME_LEN + 1];
683 int name_set;
684 u16 channel_mask; /* mask of allowed channels */
685 u16 scan_channel_mask; /* mask of channels to be scanned */
686 struct comm_tallies_sums comm_tallies;
687 struct proc_dir_entry *proc;
688 int iw_mode; /* operating mode (IW_MODE_*) */
689 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
690 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
691 char bssid[ETH_ALEN];
692 int channel;
693 int beacon_int;
694 int dtim_period;
695 int mtu;
696 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
697 int fw_tx_rate_control;
698 u16 tx_rate_control;
699 u16 basic_rates;
700 int hw_resetting;
701 int hw_ready;
702 int hw_reset_tries; /* how many times reset has been tried */
703 int hw_downloading;
704 int shutdown;
705 int pri_only;
706 int no_pri; /* no PRI f/w present */
707 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
708
709 enum {
710 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
711 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
712 } txpower_type;
713 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
714
715 /* command queue for hfa384x_cmd(); protected with cmdlock */
716 struct list_head cmd_queue;
717 /* max_len for cmd_queue; in addition, cmd_callback can use two
718 * additional entries to prevent sleeping commands from stopping
719 * transmits */
720 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
721 int cmd_queue_len; /* number of entries in cmd_queue */
722
723 /* if card timeout is detected in interrupt context, reset_queue is
724 * used to schedule card reseting to be done in user context */
725 struct work_struct reset_queue;
726
727 /* For scheduling a change of the promiscuous mode RID */
728 int is_promisc;
729 struct work_struct set_multicast_list_queue;
730
731 struct work_struct set_tim_queue;
732 struct list_head set_tim_list;
733 spinlock_t set_tim_lock;
734
735 int wds_max_connections;
736 int wds_connections;
737 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
738 #define HOSTAP_WDS_AP_CLIENT BIT(1)
739 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
740 u32 wds_type;
741 u16 tx_control; /* flags to be used in TX description */
742 int manual_retry_count; /* -1 = use f/w default; otherwise retry count
743 * to be used with all frames */
744
745 struct iw_statistics wstats;
746 unsigned long scan_timestamp; /* Time started to scan */
747 enum {
748 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
749 PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3
750 } monitor_type;
751 int monitor_allow_fcserr;
752
753 int hostapd; /* whether user space daemon, hostapd, is used for AP
754 * management */
755 int hostapd_sta; /* whether hostapd is used with an extra STA interface
756 */
757 struct net_device *apdev;
758 struct net_device_stats apdevstats;
759
760 char assoc_ap_addr[ETH_ALEN];
761 struct net_device *stadev;
762 struct net_device_stats stadevstats;
763
764 #define WEP_KEYS 4
765 #define WEP_KEY_LEN 13
766 struct lib80211_crypt_info crypt_info;
767
768 int open_wep; /* allow unencrypted frames */
769 int host_encrypt;
770 int host_decrypt;
771 int privacy_invoked; /* force privacy invoked flag even if no keys are
772 * configured */
773 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
774 * in Host AP mode (STA f/w 1.4.9 or newer) */
775 int bcrx_sta_key; /* use individual keys to override default keys even
776 * with RX of broad/multicast frames */
777
778 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
779 unsigned int frag_next_idx;
780
781 int ieee_802_1x; /* is IEEE 802.1X used */
782
783 int antsel_tx, antsel_rx;
784 int rts_threshold; /* dot11RTSThreshold */
785 int fragm_threshold; /* dot11FragmentationThreshold */
786 int auth_algs; /* PRISM2_AUTH_ flags */
787
788 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
789 int tallies32; /* 32-bit tallies in use */
790
791 struct prism2_helper_functions *func;
792
793 u8 *pda;
794 int fw_ap;
795 #define PRISM2_FW_VER(major, minor, variant) \
796 (((major) << 16) | ((minor) << 8) | variant)
797 u32 sta_fw_ver;
798
799 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
800 * handler */
801 struct tasklet_struct bap_tasklet;
802
803 struct tasklet_struct info_tasklet;
804 struct sk_buff_head info_list; /* info frames as skb's for
805 * info_tasklet */
806
807 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
808 */
809
810 struct tasklet_struct rx_tasklet;
811 struct sk_buff_head rx_list;
812
813 struct tasklet_struct sta_tx_exc_tasklet;
814 struct sk_buff_head sta_tx_exc_list;
815
816 int host_roaming;
817 unsigned long last_join_time; /* time of last JoinRequest */
818 struct hfa384x_hostscan_result *last_scan_results;
819 int last_scan_results_count;
820 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
821 struct work_struct info_queue;
822 unsigned long pending_info; /* bit field of pending info_queue items */
823 #define PRISM2_INFO_PENDING_LINKSTATUS 0
824 #define PRISM2_INFO_PENDING_SCANRESULTS 1
825 int prev_link_status; /* previous received LinkStatus info */
826 int prev_linkstatus_connected;
827 u8 preferred_ap[6]; /* use this AP if possible */
828
829 #ifdef PRISM2_CALLBACK
830 void *callback_data; /* Can be used in callbacks; e.g., allocate
831 * on enable event and free on disable event.
832 * Host AP driver code does not touch this. */
833 #endif /* PRISM2_CALLBACK */
834
835 wait_queue_head_t hostscan_wq;
836
837 /* Passive scan in Host AP mode */
838 struct timer_list passive_scan_timer;
839 int passive_scan_interval; /* in seconds, 0 = disabled */
840 int passive_scan_channel;
841 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
842
843 struct timer_list tick_timer;
844 unsigned long last_tick_timer;
845 unsigned int sw_tick_stuck;
846
847 /* commsQuality / dBmCommsQuality data from periodic polling; only
848 * valid for Managed and Ad-hoc modes */
849 unsigned long last_comms_qual_update;
850 int comms_qual; /* in some odd unit.. */
851 int avg_signal; /* in dB (note: negative) */
852 int avg_noise; /* in dB (note: negative) */
853 struct work_struct comms_qual_update;
854
855 /* RSSI to dBm adjustment (for RX descriptor fields) */
856 int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
857
858 /* BSS list / protected by local->lock */
859 struct list_head bss_list;
860 int num_bss_info;
861 int wpa; /* WPA support enabled */
862 int tkip_countermeasures;
863 int drop_unencrypted;
864 /* Generic IEEE 802.11 info element to be added to
865 * ProbeResp/Beacon/(Re)AssocReq */
866 u8 *generic_elem;
867 size_t generic_elem_len;
868
869 #ifdef PRISM2_DOWNLOAD_SUPPORT
870 /* Persistent volatile download data */
871 struct prism2_download_data *dl_pri;
872 struct prism2_download_data *dl_sec;
873 #endif /* PRISM2_DOWNLOAD_SUPPORT */
874
875 #ifdef PRISM2_IO_DEBUG
876 #define PRISM2_IO_DEBUG_SIZE 10000
877 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
878 int io_debug_head;
879 int io_debug_enabled;
880 #endif /* PRISM2_IO_DEBUG */
881
882 /* Pointer to hardware model specific (cs,pci,plx) private data. */
883 void *hw_priv;
884 };
885
886
887 /* Per interface private Host AP data
888 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
889 * WDS) and netdev_priv(dev) points to this structure. */
890 struct hostap_interface {
891 struct list_head list; /* list entry in Host AP interface list */
892 struct net_device *dev; /* pointer to this device */
893 struct local_info *local; /* pointer to shared private data */
894 struct net_device_stats stats;
895 struct iw_spy_data spy_data; /* iwspy support */
896 struct iw_public_data wireless_data;
897
898 enum {
899 HOSTAP_INTERFACE_MASTER,
900 HOSTAP_INTERFACE_MAIN,
901 HOSTAP_INTERFACE_AP,
902 HOSTAP_INTERFACE_STA,
903 HOSTAP_INTERFACE_WDS,
904 } type;
905
906 union {
907 struct hostap_interface_wds {
908 u8 remote_addr[ETH_ALEN];
909 } wds;
910 } u;
911 };
912
913
914 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
915
916 /*
917 * TX meta data - stored in skb->cb buffer, so this must not be increased over
918 * the 48-byte limit.
919 * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
920 * TO SEE THE DAY.
921 */
922 struct hostap_skb_tx_data {
923 unsigned int __padding_for_default_qdiscs;
924 u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
925 u8 rate; /* transmit rate */
926 #define HOSTAP_TX_FLAGS_WDS BIT(0)
927 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
928 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
929 u8 flags; /* HOSTAP_TX_FLAGS_* */
930 u16 tx_cb_idx;
931 struct hostap_interface *iface;
932 unsigned long jiffies; /* queueing timestamp */
933 unsigned short ethertype;
934 };
935
936
937 #ifndef PRISM2_NO_DEBUG
938
939 #define DEBUG_FID BIT(0)
940 #define DEBUG_PS BIT(1)
941 #define DEBUG_FLOW BIT(2)
942 #define DEBUG_AP BIT(3)
943 #define DEBUG_HW BIT(4)
944 #define DEBUG_EXTRA BIT(5)
945 #define DEBUG_EXTRA2 BIT(6)
946 #define DEBUG_PS2 BIT(7)
947 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
948 #define PDEBUG(n, args...) \
949 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
950 #define PDEBUG2(n, args...) \
951 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
952
953 #else /* PRISM2_NO_DEBUG */
954
955 #define PDEBUG(n, args...)
956 #define PDEBUG2(n, args...)
957
958 #endif /* PRISM2_NO_DEBUG */
959
960 enum { BAP0 = 0, BAP1 = 1 };
961
962 #define PRISM2_IO_DEBUG_CMD_INB 0
963 #define PRISM2_IO_DEBUG_CMD_INW 1
964 #define PRISM2_IO_DEBUG_CMD_INSW 2
965 #define PRISM2_IO_DEBUG_CMD_OUTB 3
966 #define PRISM2_IO_DEBUG_CMD_OUTW 4
967 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
968 #define PRISM2_IO_DEBUG_CMD_ERROR 6
969 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
970
971 #ifdef PRISM2_IO_DEBUG
972
973 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
974 (((cmd) << 24) | ((reg) << 16) | value)
975
976 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
977 int reg, int value)
978 {
979 struct hostap_interface *iface = netdev_priv(dev);
980 local_info_t *local = iface->local;
981
982 if (!local->io_debug_enabled)
983 return;
984
985 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
986 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
987 local->io_debug_head = 0;
988 local->io_debug[local->io_debug_head] =
989 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
990 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
991 local->io_debug_head = 0;
992 }
993
994
995 static inline void prism2_io_debug_error(struct net_device *dev, int err)
996 {
997 struct hostap_interface *iface = netdev_priv(dev);
998 local_info_t *local = iface->local;
999 unsigned long flags;
1000
1001 if (!local->io_debug_enabled)
1002 return;
1003
1004 spin_lock_irqsave(&local->lock, flags);
1005 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1006 if (local->io_debug_enabled == 1) {
1007 local->io_debug_enabled = 0;
1008 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1009 }
1010 spin_unlock_irqrestore(&local->lock, flags);
1011 }
1012
1013 #else /* PRISM2_IO_DEBUG */
1014
1015 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1016 int reg, int value)
1017 {
1018 }
1019
1020 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1021 {
1022 }
1023
1024 #endif /* PRISM2_IO_DEBUG */
1025
1026
1027 #ifdef PRISM2_CALLBACK
1028 enum {
1029 /* Called when card is enabled */
1030 PRISM2_CALLBACK_ENABLE,
1031
1032 /* Called when card is disabled */
1033 PRISM2_CALLBACK_DISABLE,
1034
1035 /* Called when RX/TX starts/ends */
1036 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1037 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1038 };
1039 void prism2_callback(local_info_t *local, int event);
1040 #else /* PRISM2_CALLBACK */
1041 #define prism2_callback(d, e) do { } while (0)
1042 #endif /* PRISM2_CALLBACK */
1043
1044 #endif /* __KERNEL__ */
1045
1046 #endif /* HOSTAP_WLAN_H */
1047
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