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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef HOSTAP_WLAN_H
3#define HOSTAP_WLAN_H
4
5#include <linux/interrupt.h>
6#include <linux/wireless.h>
7#include <linux/netdevice.h>
8#include <linux/etherdevice.h>
9#include <linux/mutex.h>
10#include <linux/refcount.h>
11#include <net/iw_handler.h>
12#include <net/ieee80211_radiotap.h>
13#include <net/lib80211.h>
14
15#include "hostap_config.h"
16#include "hostap_common.h"
17
18#define MAX_PARM_DEVICES 8
19#define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
20#define DEF_INTS -1, -1, -1, -1, -1, -1, -1
21#define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
22
23
24/* Specific skb->protocol value that indicates that the packet already contains
25 * txdesc header.
26 * FIX: This might need own value that would be allocated especially for Prism2
27 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
28 * However, these skb's should have only minimal path in the kernel side since
29 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
30#define ETH_P_HOSTAP ETH_P_CONTROL
31
32/* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
33 * (from linux-wlan-ng) */
34struct linux_wlan_ng_val {
35 u32 did;
36 u16 status, len;
37 u32 data;
38} __packed;
39
40struct linux_wlan_ng_prism_hdr {
41 u32 msgcode, msglen;
42 char devname[16];
43 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
44 noise, rate, istx, frmlen;
45} __packed;
46
47struct linux_wlan_ng_cap_hdr {
48 __be32 version;
49 __be32 length;
50 __be64 mactime;
51 __be64 hosttime;
52 __be32 phytype;
53 __be32 channel;
54 __be32 datarate;
55 __be32 antenna;
56 __be32 priority;
57 __be32 ssi_type;
58 __be32 ssi_signal;
59 __be32 ssi_noise;
60 __be32 preamble;
61 __be32 encoding;
62} __packed;
63
64struct hostap_radiotap_rx {
65 struct ieee80211_radiotap_header hdr;
66 __le64 tsft;
67 u8 rate;
68 u8 padding;
69 __le16 chan_freq;
70 __le16 chan_flags;
71 s8 dbm_antsignal;
72 s8 dbm_antnoise;
73} __packed;
74
75#define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
76#define LWNG_CAPHDR_VERSION 0x80211001
77
78struct hfa384x_rx_frame {
79 /* HFA384X RX frame descriptor */
80 __le16 status; /* HFA384X_RX_STATUS_ flags */
81 __le32 time; /* timestamp, 1 microsecond resolution */
82 u8 silence; /* 27 .. 154; seems to be 0 */
83 u8 signal; /* 27 .. 154 */
84 u8 rate; /* 10, 20, 55, or 110 */
85 u8 rxflow;
86 __le32 reserved;
87
88 /* 802.11 */
89 __le16 frame_control;
90 __le16 duration_id;
91 u8 addr1[ETH_ALEN];
92 u8 addr2[ETH_ALEN];
93 u8 addr3[ETH_ALEN];
94 __le16 seq_ctrl;
95 u8 addr4[ETH_ALEN];
96 __le16 data_len;
97
98 /* 802.3 */
99 u8 dst_addr[ETH_ALEN];
100 u8 src_addr[ETH_ALEN];
101 __be16 len;
102
103 /* followed by frame data; max 2304 bytes */
104} __packed;
105
106
107struct hfa384x_tx_frame {
108 /* HFA384X TX frame descriptor */
109 __le16 status; /* HFA384X_TX_STATUS_ flags */
110 __le16 reserved1;
111 __le16 reserved2;
112 __le32 sw_support;
113 u8 retry_count; /* not yet implemented */
114 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
115 __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
116
117 /* 802.11 */
118 struct_group(header,
119 __le16 frame_control; /* parts not used */
120 __le16 duration_id;
121 u8 addr1[ETH_ALEN];
122 u8 addr2[ETH_ALEN]; /* filled by firmware */
123 u8 addr3[ETH_ALEN];
124 __le16 seq_ctrl; /* filled by firmware */
125 );
126 u8 addr4[ETH_ALEN];
127 __le16 data_len;
128
129 /* 802.3 */
130 u8 dst_addr[ETH_ALEN];
131 u8 src_addr[ETH_ALEN];
132 __be16 len;
133
134 /* followed by frame data; max 2304 bytes */
135} __packed;
136
137
138struct hfa384x_rid_hdr
139{
140 __le16 len;
141 __le16 rid;
142} __packed;
143
144
145/* Macro for converting signal levels (range 27 .. 154) to wireless ext
146 * dBm value with some accuracy */
147#define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
148
149#define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
150
151struct hfa384x_scan_request {
152 __le16 channel_list;
153 __le16 txrate; /* HFA384X_RATES_* */
154} __packed;
155
156struct hfa384x_hostscan_request {
157 __le16 channel_list;
158 __le16 txrate;
159 __le16 target_ssid_len;
160 u8 target_ssid[32];
161} __packed;
162
163struct hfa384x_join_request {
164 u8 bssid[ETH_ALEN];
165 __le16 channel;
166} __packed;
167
168struct hfa384x_info_frame {
169 __le16 len;
170 __le16 type;
171} __packed;
172
173struct hfa384x_comm_tallies {
174 __le16 tx_unicast_frames;
175 __le16 tx_multicast_frames;
176 __le16 tx_fragments;
177 __le16 tx_unicast_octets;
178 __le16 tx_multicast_octets;
179 __le16 tx_deferred_transmissions;
180 __le16 tx_single_retry_frames;
181 __le16 tx_multiple_retry_frames;
182 __le16 tx_retry_limit_exceeded;
183 __le16 tx_discards;
184 __le16 rx_unicast_frames;
185 __le16 rx_multicast_frames;
186 __le16 rx_fragments;
187 __le16 rx_unicast_octets;
188 __le16 rx_multicast_octets;
189 __le16 rx_fcs_errors;
190 __le16 rx_discards_no_buffer;
191 __le16 tx_discards_wrong_sa;
192 __le16 rx_discards_wep_undecryptable;
193 __le16 rx_message_in_msg_fragments;
194 __le16 rx_message_in_bad_msg_fragments;
195} __packed;
196
197struct hfa384x_comm_tallies32 {
198 __le32 tx_unicast_frames;
199 __le32 tx_multicast_frames;
200 __le32 tx_fragments;
201 __le32 tx_unicast_octets;
202 __le32 tx_multicast_octets;
203 __le32 tx_deferred_transmissions;
204 __le32 tx_single_retry_frames;
205 __le32 tx_multiple_retry_frames;
206 __le32 tx_retry_limit_exceeded;
207 __le32 tx_discards;
208 __le32 rx_unicast_frames;
209 __le32 rx_multicast_frames;
210 __le32 rx_fragments;
211 __le32 rx_unicast_octets;
212 __le32 rx_multicast_octets;
213 __le32 rx_fcs_errors;
214 __le32 rx_discards_no_buffer;
215 __le32 tx_discards_wrong_sa;
216 __le32 rx_discards_wep_undecryptable;
217 __le32 rx_message_in_msg_fragments;
218 __le32 rx_message_in_bad_msg_fragments;
219} __packed;
220
221struct hfa384x_scan_result_hdr {
222 __le16 reserved;
223 __le16 scan_reason;
224#define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
225#define HFA384X_SCAN_HOST_INITIATED 1
226#define HFA384X_SCAN_FIRMWARE_INITIATED 2
227#define HFA384X_SCAN_INQUIRY_FROM_HOST 3
228} __packed;
229
230#define HFA384X_SCAN_MAX_RESULTS 32
231
232struct hfa384x_scan_result {
233 __le16 chid;
234 __le16 anl;
235 __le16 sl;
236 u8 bssid[ETH_ALEN];
237 __le16 beacon_interval;
238 __le16 capability;
239 __le16 ssid_len;
240 u8 ssid[32];
241 u8 sup_rates[10];
242 __le16 rate;
243} __packed;
244
245struct hfa384x_hostscan_result {
246 __le16 chid;
247 __le16 anl;
248 __le16 sl;
249 u8 bssid[ETH_ALEN];
250 __le16 beacon_interval;
251 __le16 capability;
252 __le16 ssid_len;
253 u8 ssid[32];
254 u8 sup_rates[10];
255 __le16 rate;
256 __le16 atim;
257} __packed;
258
259struct comm_tallies_sums {
260 unsigned int tx_unicast_frames;
261 unsigned int tx_multicast_frames;
262 unsigned int tx_fragments;
263 unsigned int tx_unicast_octets;
264 unsigned int tx_multicast_octets;
265 unsigned int tx_deferred_transmissions;
266 unsigned int tx_single_retry_frames;
267 unsigned int tx_multiple_retry_frames;
268 unsigned int tx_retry_limit_exceeded;
269 unsigned int tx_discards;
270 unsigned int rx_unicast_frames;
271 unsigned int rx_multicast_frames;
272 unsigned int rx_fragments;
273 unsigned int rx_unicast_octets;
274 unsigned int rx_multicast_octets;
275 unsigned int rx_fcs_errors;
276 unsigned int rx_discards_no_buffer;
277 unsigned int tx_discards_wrong_sa;
278 unsigned int rx_discards_wep_undecryptable;
279 unsigned int rx_message_in_msg_fragments;
280 unsigned int rx_message_in_bad_msg_fragments;
281};
282
283
284struct hfa384x_regs {
285 u16 cmd;
286 u16 evstat;
287 u16 offset0;
288 u16 offset1;
289 u16 swsupport0;
290};
291
292
293#if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
294/* I/O ports for HFA384X Controller access */
295#define HFA384X_CMD_OFF 0x00
296#define HFA384X_PARAM0_OFF 0x02
297#define HFA384X_PARAM1_OFF 0x04
298#define HFA384X_PARAM2_OFF 0x06
299#define HFA384X_STATUS_OFF 0x08
300#define HFA384X_RESP0_OFF 0x0A
301#define HFA384X_RESP1_OFF 0x0C
302#define HFA384X_RESP2_OFF 0x0E
303#define HFA384X_INFOFID_OFF 0x10
304#define HFA384X_CONTROL_OFF 0x14
305#define HFA384X_SELECT0_OFF 0x18
306#define HFA384X_SELECT1_OFF 0x1A
307#define HFA384X_OFFSET0_OFF 0x1C
308#define HFA384X_OFFSET1_OFF 0x1E
309#define HFA384X_RXFID_OFF 0x20
310#define HFA384X_ALLOCFID_OFF 0x22
311#define HFA384X_TXCOMPLFID_OFF 0x24
312#define HFA384X_SWSUPPORT0_OFF 0x28
313#define HFA384X_SWSUPPORT1_OFF 0x2A
314#define HFA384X_SWSUPPORT2_OFF 0x2C
315#define HFA384X_EVSTAT_OFF 0x30
316#define HFA384X_INTEN_OFF 0x32
317#define HFA384X_EVACK_OFF 0x34
318#define HFA384X_DATA0_OFF 0x36
319#define HFA384X_DATA1_OFF 0x38
320#define HFA384X_AUXPAGE_OFF 0x3A
321#define HFA384X_AUXOFFSET_OFF 0x3C
322#define HFA384X_AUXDATA_OFF 0x3E
323#endif /* PRISM2_PCCARD || PRISM2_PLX */
324
325#ifdef PRISM2_PCI
326/* Memory addresses for ISL3874 controller access */
327#define HFA384X_CMD_OFF 0x00
328#define HFA384X_PARAM0_OFF 0x04
329#define HFA384X_PARAM1_OFF 0x08
330#define HFA384X_PARAM2_OFF 0x0C
331#define HFA384X_STATUS_OFF 0x10
332#define HFA384X_RESP0_OFF 0x14
333#define HFA384X_RESP1_OFF 0x18
334#define HFA384X_RESP2_OFF 0x1C
335#define HFA384X_INFOFID_OFF 0x20
336#define HFA384X_CONTROL_OFF 0x28
337#define HFA384X_SELECT0_OFF 0x30
338#define HFA384X_SELECT1_OFF 0x34
339#define HFA384X_OFFSET0_OFF 0x38
340#define HFA384X_OFFSET1_OFF 0x3C
341#define HFA384X_RXFID_OFF 0x40
342#define HFA384X_ALLOCFID_OFF 0x44
343#define HFA384X_TXCOMPLFID_OFF 0x48
344#define HFA384X_PCICOR_OFF 0x4C
345#define HFA384X_SWSUPPORT0_OFF 0x50
346#define HFA384X_SWSUPPORT1_OFF 0x54
347#define HFA384X_SWSUPPORT2_OFF 0x58
348#define HFA384X_PCIHCR_OFF 0x5C
349#define HFA384X_EVSTAT_OFF 0x60
350#define HFA384X_INTEN_OFF 0x64
351#define HFA384X_EVACK_OFF 0x68
352#define HFA384X_DATA0_OFF 0x6C
353#define HFA384X_DATA1_OFF 0x70
354#define HFA384X_AUXPAGE_OFF 0x74
355#define HFA384X_AUXOFFSET_OFF 0x78
356#define HFA384X_AUXDATA_OFF 0x7C
357#define HFA384X_PCI_M0_ADDRH_OFF 0x80
358#define HFA384X_PCI_M0_ADDRL_OFF 0x84
359#define HFA384X_PCI_M0_LEN_OFF 0x88
360#define HFA384X_PCI_M0_CTL_OFF 0x8C
361#define HFA384X_PCI_STATUS_OFF 0x98
362#define HFA384X_PCI_M1_ADDRH_OFF 0xA0
363#define HFA384X_PCI_M1_ADDRL_OFF 0xA4
364#define HFA384X_PCI_M1_LEN_OFF 0xA8
365#define HFA384X_PCI_M1_CTL_OFF 0xAC
366
367/* PCI bus master control bits (these are undocumented; based on guessing and
368 * experimenting..) */
369#define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
370#define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
371
372#endif /* PRISM2_PCI */
373
374
375/* Command codes for CMD reg. */
376#define HFA384X_CMDCODE_INIT 0x00
377#define HFA384X_CMDCODE_ENABLE 0x01
378#define HFA384X_CMDCODE_DISABLE 0x02
379#define HFA384X_CMDCODE_ALLOC 0x0A
380#define HFA384X_CMDCODE_TRANSMIT 0x0B
381#define HFA384X_CMDCODE_INQUIRE 0x11
382#define HFA384X_CMDCODE_ACCESS 0x21
383#define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
384#define HFA384X_CMDCODE_DOWNLOAD 0x22
385#define HFA384X_CMDCODE_READMIF 0x30
386#define HFA384X_CMDCODE_WRITEMIF 0x31
387#define HFA384X_CMDCODE_TEST 0x38
388
389#define HFA384X_CMDCODE_MASK 0x3F
390
391/* Test mode operations */
392#define HFA384X_TEST_CHANGE_CHANNEL 0x08
393#define HFA384X_TEST_MONITOR 0x0B
394#define HFA384X_TEST_STOP 0x0F
395#define HFA384X_TEST_CFG_BITS 0x15
396#define HFA384X_TEST_CFG_BIT_ALC BIT(3)
397
398#define HFA384X_CMD_BUSY BIT(15)
399
400#define HFA384X_CMD_TX_RECLAIM BIT(8)
401
402#define HFA384X_OFFSET_ERR BIT(14)
403#define HFA384X_OFFSET_BUSY BIT(15)
404
405
406/* ProgMode for download command */
407#define HFA384X_PROGMODE_DISABLE 0
408#define HFA384X_PROGMODE_ENABLE_VOLATILE 1
409#define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
410#define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
411
412#define HFA384X_AUX_MAGIC0 0xfe01
413#define HFA384X_AUX_MAGIC1 0xdc23
414#define HFA384X_AUX_MAGIC2 0xba45
415
416#define HFA384X_AUX_PORT_DISABLED 0
417#define HFA384X_AUX_PORT_DISABLE BIT(14)
418#define HFA384X_AUX_PORT_ENABLE BIT(15)
419#define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
420#define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
421
422#define PRISM2_PDA_SIZE 1024
423
424
425/* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
426#define HFA384X_EV_TICK BIT(15)
427#define HFA384X_EV_WTERR BIT(14)
428#define HFA384X_EV_INFDROP BIT(13)
429#ifdef PRISM2_PCI
430#define HFA384X_EV_PCI_M1 BIT(9)
431#define HFA384X_EV_PCI_M0 BIT(8)
432#endif /* PRISM2_PCI */
433#define HFA384X_EV_INFO BIT(7)
434#define HFA384X_EV_DTIM BIT(5)
435#define HFA384X_EV_CMD BIT(4)
436#define HFA384X_EV_ALLOC BIT(3)
437#define HFA384X_EV_TXEXC BIT(2)
438#define HFA384X_EV_TX BIT(1)
439#define HFA384X_EV_RX BIT(0)
440
441
442/* HFA384X Information frames */
443#define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
444#define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
445#define HFA384X_INFO_COMMTALLIES 0xF100
446#define HFA384X_INFO_SCANRESULTS 0xF101
447#define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
448#define HFA384X_INFO_HOSTSCANRESULTS 0xF103
449#define HFA384X_INFO_LINKSTATUS 0xF200
450#define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
451#define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
452#define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
453#define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
454
455enum { HFA384X_LINKSTATUS_CONNECTED = 1,
456 HFA384X_LINKSTATUS_DISCONNECTED = 2,
457 HFA384X_LINKSTATUS_AP_CHANGE = 3,
458 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
459 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
460 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
461
462enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
463 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
464 HFA384X_PORTTYPE_HOSTAP = 6 };
465
466#define HFA384X_RATES_1MBPS BIT(0)
467#define HFA384X_RATES_2MBPS BIT(1)
468#define HFA384X_RATES_5MBPS BIT(2)
469#define HFA384X_RATES_11MBPS BIT(3)
470
471#define HFA384X_ROAMING_FIRMWARE 1
472#define HFA384X_ROAMING_HOST 2
473#define HFA384X_ROAMING_DISABLED 3
474
475#define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
476#define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
477#define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
478#define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
479
480#define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
481#define HFA384X_RX_STATUS_PCF BIT(12)
482#define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
483#define HFA384X_RX_STATUS_UNDECR BIT(1)
484#define HFA384X_RX_STATUS_FCSERR BIT(0)
485
486#define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
487(((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
488#define HFA384X_RX_STATUS_GET_MACPORT(s) \
489(((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
490
491enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
492 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
493
494
495#define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
496#define HFA384X_TX_CTRL_802_11 BIT(3)
497#define HFA384X_TX_CTRL_802_3 0
498#define HFA384X_TX_CTRL_TX_EX BIT(2)
499#define HFA384X_TX_CTRL_TX_OK BIT(1)
500
501#define HFA384X_TX_STATUS_RETRYERR BIT(0)
502#define HFA384X_TX_STATUS_AGEDERR BIT(1)
503#define HFA384X_TX_STATUS_DISCON BIT(2)
504#define HFA384X_TX_STATUS_FORMERR BIT(3)
505
506/* HFA3861/3863 (BBP) Control Registers */
507#define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
508#define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
509#define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
510#define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
511#define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
512
513
514#ifdef __KERNEL__
515
516#define PRISM2_TXFID_COUNT 8
517#define PRISM2_DATA_MAXLEN 2304
518#define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
519#define PRISM2_TXFID_EMPTY 0xffff
520#define PRISM2_TXFID_RESERVED 0xfffe
521#define PRISM2_DUMMY_FID 0xffff
522#define MAX_SSID_LEN 32
523#define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
524
525#define PRISM2_DUMP_RX_HDR BIT(0)
526#define PRISM2_DUMP_TX_HDR BIT(1)
527#define PRISM2_DUMP_TXEXC_HDR BIT(2)
528
529struct hostap_tx_callback_info {
530 u16 idx;
531 void (*func)(struct sk_buff *, int ok, void *);
532 void *data;
533 struct hostap_tx_callback_info *next;
534};
535
536
537/* IEEE 802.11 requires that STA supports concurrent reception of at least
538 * three fragmented frames. This define can be increased to support more
539 * concurrent frames, but it should be noted that each entry can consume about
540 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
541#define PRISM2_FRAG_CACHE_LEN 4
542
543struct prism2_frag_entry {
544 unsigned long first_frag_time;
545 unsigned int seq;
546 unsigned int last_frag;
547 struct sk_buff *skb;
548 u8 src_addr[ETH_ALEN];
549 u8 dst_addr[ETH_ALEN];
550};
551
552
553struct hostap_cmd_queue {
554 struct list_head list;
555 wait_queue_head_t compl;
556 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
557 void (*callback)(struct net_device *dev, long context, u16 resp0,
558 u16 res);
559 long context;
560 u16 cmd, param0, param1;
561 u16 resp0, res;
562 volatile int issued, issuing;
563
564 refcount_t usecnt;
565 int del_req;
566};
567
568/* options for hw_shutdown */
569#define HOSTAP_HW_NO_DISABLE BIT(0)
570#define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
571
572typedef struct local_info local_info_t;
573
574struct prism2_helper_functions {
575 /* these functions are defined in hardware model specific files
576 * (hostap_{cs,plx,pci}.c */
577 int (*card_present)(local_info_t *local);
578 void (*cor_sreset)(local_info_t *local);
579 void (*genesis_reset)(local_info_t *local, int hcr);
580
581 /* the following functions are from hostap_hw.c, but they may have some
582 * hardware model specific code */
583
584 /* FIX: low-level commands like cmd might disappear at some point to
585 * make it easier to change them if needed (e.g., cmd would be replaced
586 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
587 * set_rid might move to hostap_{cs,plx,pci}.c */
588 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
589 u16 *resp0);
590 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
591 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
592 int exact_len);
593 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
594 int (*hw_enable)(struct net_device *dev, int initial);
595 int (*hw_config)(struct net_device *dev, int initial);
596 void (*hw_reset)(struct net_device *dev);
597 void (*hw_shutdown)(struct net_device *dev, int no_disable);
598 int (*reset_port)(struct net_device *dev);
599 void (*schedule_reset)(local_info_t *local);
600 int (*download)(local_info_t *local,
601 struct prism2_download_param *param);
602 int (*tx)(struct sk_buff *skb, struct net_device *dev);
603 int (*set_tim)(struct net_device *dev, int aid, int set);
604 const struct proc_ops *read_aux_proc_ops;
605
606 int need_tx_headroom; /* number of bytes of headroom needed before
607 * IEEE 802.11 header */
608 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
609};
610
611
612struct prism2_download_data {
613 u32 dl_cmd;
614 u32 start_addr;
615 u32 num_areas;
616 struct prism2_download_data_area {
617 u32 addr; /* wlan card address */
618 u32 len;
619 u8 *data; /* allocated data */
620 } data[];
621};
622
623
624#define HOSTAP_MAX_BSS_COUNT 64
625#define MAX_WPA_IE_LEN 64
626
627struct hostap_bss_info {
628 struct list_head list;
629 unsigned long last_update;
630 unsigned int count;
631 u8 bssid[ETH_ALEN];
632 u16 capab_info;
633 u8 ssid[32];
634 size_t ssid_len;
635 u8 wpa_ie[MAX_WPA_IE_LEN];
636 size_t wpa_ie_len;
637 u8 rsn_ie[MAX_WPA_IE_LEN];
638 size_t rsn_ie_len;
639 int chan;
640 int included;
641};
642
643
644/* Per radio private Host AP data - shared by all net devices interfaces used
645 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
646 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
647 * structure. */
648struct local_info {
649 struct module *hw_module;
650 int card_idx;
651 int dev_enabled;
652 int master_dev_auto_open; /* was master device opened automatically */
653 int num_dev_open; /* number of open devices */
654 struct net_device *dev; /* master radio device */
655 struct net_device *ddev; /* main data device */
656 struct list_head hostap_interfaces; /* Host AP interface list (contains
657 * struct hostap_interface entries)
658 */
659 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
660 * when removing entries from the list.
661 * TX and RX paths can use read lock. */
662 spinlock_t cmdlock, baplock, lock, irq_init_lock;
663 struct mutex rid_bap_mtx;
664 u16 infofid; /* MAC buffer id for info frame */
665 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
666 * txfidlock */
667 spinlock_t txfidlock;
668 int txfid_len; /* length of allocated TX buffers */
669 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
670 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
671 * corresponding txfid is free for next TX frame */
672 u16 intransmitfid[PRISM2_TXFID_COUNT];
673 int next_txfid; /* index to the next txfid to be checked for
674 * availability */
675 int next_alloc; /* index to the next intransmitfid to be checked for
676 * allocation events */
677
678 /* bitfield for atomic bitops */
679#define HOSTAP_BITS_TRANSMIT 0
680#define HOSTAP_BITS_BAP_TASKLET 1
681#define HOSTAP_BITS_BAP_TASKLET2 2
682 unsigned long bits;
683
684 struct ap_data *ap;
685
686 char essid[MAX_SSID_LEN + 1];
687 char name[MAX_NAME_LEN + 1];
688 int name_set;
689 u16 channel_mask; /* mask of allowed channels */
690 u16 scan_channel_mask; /* mask of channels to be scanned */
691 struct comm_tallies_sums comm_tallies;
692 struct proc_dir_entry *proc;
693 int iw_mode; /* operating mode (IW_MODE_*) */
694 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
695 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
696 char bssid[ETH_ALEN];
697 int channel;
698 int beacon_int;
699 int dtim_period;
700 int mtu;
701 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
702 int fw_tx_rate_control;
703 u16 tx_rate_control;
704 u16 basic_rates;
705 int hw_resetting;
706 int hw_ready;
707 int hw_reset_tries; /* how many times reset has been tried */
708 int hw_downloading;
709 int shutdown;
710 int pri_only;
711 int no_pri; /* no PRI f/w present */
712 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
713
714 enum {
715 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
716 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
717 } txpower_type;
718 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
719
720 /* command queue for hfa384x_cmd(); protected with cmdlock */
721 struct list_head cmd_queue;
722 /* max_len for cmd_queue; in addition, cmd_callback can use two
723 * additional entries to prevent sleeping commands from stopping
724 * transmits */
725#define HOSTAP_CMD_QUEUE_MAX_LEN 16
726 int cmd_queue_len; /* number of entries in cmd_queue */
727
728 /* if card timeout is detected in interrupt context, reset_queue is
729 * used to schedule card reseting to be done in user context */
730 struct work_struct reset_queue;
731
732 /* For scheduling a change of the promiscuous mode RID */
733 int is_promisc;
734 struct work_struct set_multicast_list_queue;
735
736 struct work_struct set_tim_queue;
737 struct list_head set_tim_list;
738 spinlock_t set_tim_lock;
739
740 int wds_max_connections;
741 int wds_connections;
742#define HOSTAP_WDS_BROADCAST_RA BIT(0)
743#define HOSTAP_WDS_AP_CLIENT BIT(1)
744#define HOSTAP_WDS_STANDARD_FRAME BIT(2)
745 u32 wds_type;
746 u16 tx_control; /* flags to be used in TX description */
747 int manual_retry_count; /* -1 = use f/w default; otherwise retry count
748 * to be used with all frames */
749
750 struct iw_statistics wstats;
751 unsigned long scan_timestamp; /* Time started to scan */
752 enum {
753 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
754 PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3
755 } monitor_type;
756 int monitor_allow_fcserr;
757
758 int hostapd; /* whether user space daemon, hostapd, is used for AP
759 * management */
760 int hostapd_sta; /* whether hostapd is used with an extra STA interface
761 */
762 struct net_device *apdev;
763 struct net_device_stats apdevstats;
764
765 char assoc_ap_addr[ETH_ALEN];
766 struct net_device *stadev;
767 struct net_device_stats stadevstats;
768
769#define WEP_KEYS 4
770#define WEP_KEY_LEN 13
771 struct lib80211_crypt_info crypt_info;
772
773 int open_wep; /* allow unencrypted frames */
774 int host_encrypt;
775 int host_decrypt;
776 int privacy_invoked; /* force privacy invoked flag even if no keys are
777 * configured */
778 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
779 * in Host AP mode (STA f/w 1.4.9 or newer) */
780 int bcrx_sta_key; /* use individual keys to override default keys even
781 * with RX of broad/multicast frames */
782
783 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
784 unsigned int frag_next_idx;
785
786 int ieee_802_1x; /* is IEEE 802.1X used */
787
788 int antsel_tx, antsel_rx;
789 int rts_threshold; /* dot11RTSThreshold */
790 int fragm_threshold; /* dot11FragmentationThreshold */
791 int auth_algs; /* PRISM2_AUTH_ flags */
792
793 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
794 int tallies32; /* 32-bit tallies in use */
795
796 struct prism2_helper_functions *func;
797
798 u8 *pda;
799 int fw_ap;
800#define PRISM2_FW_VER(major, minor, variant) \
801(((major) << 16) | ((minor) << 8) | variant)
802 u32 sta_fw_ver;
803
804 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
805 * handler */
806 struct tasklet_struct bap_tasklet;
807
808 struct tasklet_struct info_tasklet;
809 struct sk_buff_head info_list; /* info frames as skb's for
810 * info_tasklet */
811
812 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
813 */
814
815 struct tasklet_struct rx_tasklet;
816 struct sk_buff_head rx_list;
817
818 struct tasklet_struct sta_tx_exc_tasklet;
819 struct sk_buff_head sta_tx_exc_list;
820
821 int host_roaming;
822 unsigned long last_join_time; /* time of last JoinRequest */
823 struct hfa384x_hostscan_result *last_scan_results;
824 int last_scan_results_count;
825 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
826 struct work_struct info_queue;
827 unsigned long pending_info; /* bit field of pending info_queue items */
828#define PRISM2_INFO_PENDING_LINKSTATUS 0
829#define PRISM2_INFO_PENDING_SCANRESULTS 1
830 int prev_link_status; /* previous received LinkStatus info */
831 int prev_linkstatus_connected;
832 u8 preferred_ap[ETH_ALEN]; /* use this AP if possible */
833
834#ifdef PRISM2_CALLBACK
835 void *callback_data; /* Can be used in callbacks; e.g., allocate
836 * on enable event and free on disable event.
837 * Host AP driver code does not touch this. */
838#endif /* PRISM2_CALLBACK */
839
840 wait_queue_head_t hostscan_wq;
841
842 /* Passive scan in Host AP mode */
843 struct timer_list passive_scan_timer;
844 int passive_scan_interval; /* in seconds, 0 = disabled */
845 int passive_scan_channel;
846 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
847
848 struct timer_list tick_timer;
849 unsigned long last_tick_timer;
850 unsigned int sw_tick_stuck;
851
852 /* commsQuality / dBmCommsQuality data from periodic polling; only
853 * valid for Managed and Ad-hoc modes */
854 unsigned long last_comms_qual_update;
855 int comms_qual; /* in some odd unit.. */
856 int avg_signal; /* in dB (note: negative) */
857 int avg_noise; /* in dB (note: negative) */
858 struct work_struct comms_qual_update;
859
860 /* RSSI to dBm adjustment (for RX descriptor fields) */
861 int rssi_to_dBm; /* subtract from RSSI to get approximate dBm value */
862
863 /* BSS list / protected by local->lock */
864 struct list_head bss_list;
865 int num_bss_info;
866 int wpa; /* WPA support enabled */
867 int tkip_countermeasures;
868 int drop_unencrypted;
869 /* Generic IEEE 802.11 info element to be added to
870 * ProbeResp/Beacon/(Re)AssocReq */
871 u8 *generic_elem;
872 size_t generic_elem_len;
873
874#ifdef PRISM2_DOWNLOAD_SUPPORT
875 /* Persistent volatile download data */
876 struct prism2_download_data *dl_pri;
877 struct prism2_download_data *dl_sec;
878#endif /* PRISM2_DOWNLOAD_SUPPORT */
879
880#ifdef PRISM2_IO_DEBUG
881#define PRISM2_IO_DEBUG_SIZE 10000
882 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
883 int io_debug_head;
884 int io_debug_enabled;
885#endif /* PRISM2_IO_DEBUG */
886
887 /* Pointer to hardware model specific (cs,pci,plx) private data. */
888 void *hw_priv;
889};
890
891
892/* Per interface private Host AP data
893 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
894 * WDS) and netdev_priv(dev) points to this structure. */
895struct hostap_interface {
896 struct list_head list; /* list entry in Host AP interface list */
897 struct net_device *dev; /* pointer to this device */
898 struct local_info *local; /* pointer to shared private data */
899 struct net_device_stats stats;
900 struct iw_spy_data spy_data; /* iwspy support */
901 struct iw_public_data wireless_data;
902
903 enum {
904 HOSTAP_INTERFACE_MASTER,
905 HOSTAP_INTERFACE_MAIN,
906 HOSTAP_INTERFACE_AP,
907 HOSTAP_INTERFACE_STA,
908 HOSTAP_INTERFACE_WDS,
909 } type;
910
911 union {
912 struct hostap_interface_wds {
913 u8 remote_addr[ETH_ALEN];
914 } wds;
915 } u;
916};
917
918
919#define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
920
921/*
922 * TX meta data - stored in skb->cb buffer, so this must not be increased over
923 * the 48-byte limit.
924 * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
925 * TO SEE THE DAY.
926 */
927struct hostap_skb_tx_data {
928 unsigned int __padding_for_default_qdiscs;
929 u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
930 u8 rate; /* transmit rate */
931#define HOSTAP_TX_FLAGS_WDS BIT(0)
932#define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
933#define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
934 u8 flags; /* HOSTAP_TX_FLAGS_* */
935 u16 tx_cb_idx;
936 struct hostap_interface *iface;
937 unsigned long jiffies; /* queueing timestamp */
938 unsigned short ethertype;
939};
940
941
942#ifndef PRISM2_NO_DEBUG
943
944#define DEBUG_FID BIT(0)
945#define DEBUG_PS BIT(1)
946#define DEBUG_FLOW BIT(2)
947#define DEBUG_AP BIT(3)
948#define DEBUG_HW BIT(4)
949#define DEBUG_EXTRA BIT(5)
950#define DEBUG_EXTRA2 BIT(6)
951#define DEBUG_PS2 BIT(7)
952#define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
953#define PDEBUG(n, args...) \
954do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
955#define PDEBUG2(n, args...) \
956do { if ((n) & DEBUG_MASK) printk(args); } while (0)
957
958#else /* PRISM2_NO_DEBUG */
959
960#define PDEBUG(n, args...)
961#define PDEBUG2(n, args...)
962
963#endif /* PRISM2_NO_DEBUG */
964
965enum { BAP0 = 0, BAP1 = 1 };
966
967#define PRISM2_IO_DEBUG_CMD_INB 0
968#define PRISM2_IO_DEBUG_CMD_INW 1
969#define PRISM2_IO_DEBUG_CMD_INSW 2
970#define PRISM2_IO_DEBUG_CMD_OUTB 3
971#define PRISM2_IO_DEBUG_CMD_OUTW 4
972#define PRISM2_IO_DEBUG_CMD_OUTSW 5
973#define PRISM2_IO_DEBUG_CMD_ERROR 6
974#define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
975
976#ifdef PRISM2_IO_DEBUG
977
978#define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
979(((cmd) << 24) | ((reg) << 16) | value)
980
981static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
982 int reg, int value)
983{
984 struct hostap_interface *iface = netdev_priv(dev);
985 local_info_t *local = iface->local;
986
987 if (!local->io_debug_enabled)
988 return;
989
990 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
991 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
992 local->io_debug_head = 0;
993 local->io_debug[local->io_debug_head] =
994 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
995 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
996 local->io_debug_head = 0;
997}
998
999
1000static inline void prism2_io_debug_error(struct net_device *dev, int err)
1001{
1002 struct hostap_interface *iface = netdev_priv(dev);
1003 local_info_t *local = iface->local;
1004 unsigned long flags;
1005
1006 if (!local->io_debug_enabled)
1007 return;
1008
1009 spin_lock_irqsave(&local->lock, flags);
1010 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1011 if (local->io_debug_enabled == 1) {
1012 local->io_debug_enabled = 0;
1013 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1014 }
1015 spin_unlock_irqrestore(&local->lock, flags);
1016}
1017
1018#else /* PRISM2_IO_DEBUG */
1019
1020static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1021 int reg, int value)
1022{
1023}
1024
1025static inline void prism2_io_debug_error(struct net_device *dev, int err)
1026{
1027}
1028
1029#endif /* PRISM2_IO_DEBUG */
1030
1031
1032#ifdef PRISM2_CALLBACK
1033enum {
1034 /* Called when card is enabled */
1035 PRISM2_CALLBACK_ENABLE,
1036
1037 /* Called when card is disabled */
1038 PRISM2_CALLBACK_DISABLE,
1039
1040 /* Called when RX/TX starts/ends */
1041 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1042 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1043};
1044void prism2_callback(local_info_t *local, int event);
1045#else /* PRISM2_CALLBACK */
1046#define prism2_callback(d, e) do { } while (0)
1047#endif /* PRISM2_CALLBACK */
1048
1049#endif /* __KERNEL__ */
1050
1051#endif /* HOSTAP_WLAN_H */