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Jouni Malinenff1d2762005-05-12 22:54:16 -04001#ifndef HOSTAP_WLAN_H
2#define HOSTAP_WLAN_H
3
Adrian Bunk5fad5a22006-01-14 03:09:34 +01004#include <linux/wireless.h>
5#include <linux/netdevice.h>
Matthias Kaehlcke36230602007-07-30 07:40:04 +02006#include <linux/mutex.h>
Adrian Bunk5fad5a22006-01-14 03:09:34 +01007#include <net/iw_handler.h>
Pavel Roskin573b9332008-06-27 16:20:10 -04008#include <net/ieee80211_radiotap.h>
Adrian Bunk5fad5a22006-01-14 03:09:34 +01009
Jouni Malinenff1d2762005-05-12 22:54:16 -040010#include "hostap_config.h"
Jouni Malinenff1d2762005-05-12 22:54:16 -040011#include "hostap_common.h"
12
13#define MAX_PARM_DEVICES 8
14#define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
15#define DEF_INTS -1, -1, -1, -1, -1, -1, -1
16#define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
17
18
19/* Specific skb->protocol value that indicates that the packet already contains
20 * txdesc header.
21 * FIX: This might need own value that would be allocated especially for Prism2
22 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
23 * However, these skb's should have only minimal path in the kernel side since
24 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
25#define ETH_P_HOSTAP ETH_P_CONTROL
26
Jouni Malinenff1d2762005-05-12 22:54:16 -040027/* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
28 * (from linux-wlan-ng) */
29struct linux_wlan_ng_val {
30 u32 did;
31 u16 status, len;
32 u32 data;
33} __attribute__ ((packed));
34
35struct linux_wlan_ng_prism_hdr {
36 u32 msgcode, msglen;
37 char devname[16];
38 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
39 noise, rate, istx, frmlen;
40} __attribute__ ((packed));
41
42struct linux_wlan_ng_cap_hdr {
Al Viro8a9faf32007-12-21 03:30:16 -050043 __be32 version;
44 __be32 length;
45 __be64 mactime;
46 __be64 hosttime;
47 __be32 phytype;
48 __be32 channel;
49 __be32 datarate;
50 __be32 antenna;
51 __be32 priority;
52 __be32 ssi_type;
53 __be32 ssi_signal;
54 __be32 ssi_noise;
55 __be32 preamble;
56 __be32 encoding;
Jouni Malinenff1d2762005-05-12 22:54:16 -040057} __attribute__ ((packed));
58
Pavel Roskin573b9332008-06-27 16:20:10 -040059struct hostap_radiotap_rx {
60 struct ieee80211_radiotap_header hdr;
61 __le64 tsft;
62 u8 rate;
63 u8 padding;
64 __le16 chan_freq;
65 __le16 chan_flags;
66 s8 dbm_antsignal;
67 s8 dbm_antnoise;
68} __attribute__ ((packed));
69
Jouni Malinenff1d2762005-05-12 22:54:16 -040070#define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
71#define LWNG_CAPHDR_VERSION 0x80211001
72
73struct hfa384x_rx_frame {
74 /* HFA384X RX frame descriptor */
Al Viro8a9faf32007-12-21 03:30:16 -050075 __le16 status; /* HFA384X_RX_STATUS_ flags */
76 __le32 time; /* timestamp, 1 microsecond resolution */
Jouni Malinenff1d2762005-05-12 22:54:16 -040077 u8 silence; /* 27 .. 154; seems to be 0 */
78 u8 signal; /* 27 .. 154 */
79 u8 rate; /* 10, 20, 55, or 110 */
80 u8 rxflow;
Al Viro8a9faf32007-12-21 03:30:16 -050081 __le32 reserved;
Jouni Malinenff1d2762005-05-12 22:54:16 -040082
83 /* 802.11 */
Al Viro8a9faf32007-12-21 03:30:16 -050084 __le16 frame_control;
85 __le16 duration_id;
Jouni Malinenff1d2762005-05-12 22:54:16 -040086 u8 addr1[6];
87 u8 addr2[6];
88 u8 addr3[6];
Al Viro8a9faf32007-12-21 03:30:16 -050089 __le16 seq_ctrl;
Jouni Malinenff1d2762005-05-12 22:54:16 -040090 u8 addr4[6];
Al Viro8a9faf32007-12-21 03:30:16 -050091 __le16 data_len;
Jouni Malinenff1d2762005-05-12 22:54:16 -040092
93 /* 802.3 */
94 u8 dst_addr[6];
95 u8 src_addr[6];
Al Viro8a9faf32007-12-21 03:30:16 -050096 __be16 len;
Jouni Malinenff1d2762005-05-12 22:54:16 -040097
98 /* followed by frame data; max 2304 bytes */
99} __attribute__ ((packed));
100
101
102struct hfa384x_tx_frame {
103 /* HFA384X TX frame descriptor */
Al Viro8a9faf32007-12-21 03:30:16 -0500104 __le16 status; /* HFA384X_TX_STATUS_ flags */
105 __le16 reserved1;
106 __le16 reserved2;
107 __le32 sw_support;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400108 u8 retry_count; /* not yet implemented */
109 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
Al Viro8a9faf32007-12-21 03:30:16 -0500110 __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
Jouni Malinenff1d2762005-05-12 22:54:16 -0400111
112 /* 802.11 */
Al Viro8a9faf32007-12-21 03:30:16 -0500113 __le16 frame_control; /* parts not used */
114 __le16 duration_id;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400115 u8 addr1[6];
116 u8 addr2[6]; /* filled by firmware */
117 u8 addr3[6];
Al Viro8a9faf32007-12-21 03:30:16 -0500118 __le16 seq_ctrl; /* filled by firmware */
Jouni Malinenff1d2762005-05-12 22:54:16 -0400119 u8 addr4[6];
Al Viro8a9faf32007-12-21 03:30:16 -0500120 __le16 data_len;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400121
122 /* 802.3 */
123 u8 dst_addr[6];
124 u8 src_addr[6];
Al Viro8a9faf32007-12-21 03:30:16 -0500125 __be16 len;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400126
127 /* followed by frame data; max 2304 bytes */
128} __attribute__ ((packed));
129
130
131struct hfa384x_rid_hdr
132{
Al Viro8a9faf32007-12-21 03:30:16 -0500133 __le16 len;
134 __le16 rid;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400135} __attribute__ ((packed));
136
137
138/* Macro for converting signal levels (range 27 .. 154) to wireless ext
139 * dBm value with some accuracy */
140#define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
141
142#define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
143
144struct hfa384x_scan_request {
Al Viro8a9faf32007-12-21 03:30:16 -0500145 __le16 channel_list;
146 __le16 txrate; /* HFA384X_RATES_* */
Jouni Malinenff1d2762005-05-12 22:54:16 -0400147} __attribute__ ((packed));
148
149struct hfa384x_hostscan_request {
Al Viro8a9faf32007-12-21 03:30:16 -0500150 __le16 channel_list;
151 __le16 txrate;
152 __le16 target_ssid_len;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400153 u8 target_ssid[32];
154} __attribute__ ((packed));
155
156struct hfa384x_join_request {
157 u8 bssid[6];
Al Viro8a9faf32007-12-21 03:30:16 -0500158 __le16 channel;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400159} __attribute__ ((packed));
160
161struct hfa384x_info_frame {
Al Viro8a9faf32007-12-21 03:30:16 -0500162 __le16 len;
163 __le16 type;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400164} __attribute__ ((packed));
165
166struct hfa384x_comm_tallies {
Al Viro8a9faf32007-12-21 03:30:16 -0500167 __le16 tx_unicast_frames;
168 __le16 tx_multicast_frames;
169 __le16 tx_fragments;
170 __le16 tx_unicast_octets;
171 __le16 tx_multicast_octets;
172 __le16 tx_deferred_transmissions;
173 __le16 tx_single_retry_frames;
174 __le16 tx_multiple_retry_frames;
175 __le16 tx_retry_limit_exceeded;
176 __le16 tx_discards;
177 __le16 rx_unicast_frames;
178 __le16 rx_multicast_frames;
179 __le16 rx_fragments;
180 __le16 rx_unicast_octets;
181 __le16 rx_multicast_octets;
182 __le16 rx_fcs_errors;
183 __le16 rx_discards_no_buffer;
184 __le16 tx_discards_wrong_sa;
185 __le16 rx_discards_wep_undecryptable;
186 __le16 rx_message_in_msg_fragments;
187 __le16 rx_message_in_bad_msg_fragments;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400188} __attribute__ ((packed));
189
190struct hfa384x_comm_tallies32 {
Al Viro8a9faf32007-12-21 03:30:16 -0500191 __le32 tx_unicast_frames;
192 __le32 tx_multicast_frames;
193 __le32 tx_fragments;
194 __le32 tx_unicast_octets;
195 __le32 tx_multicast_octets;
196 __le32 tx_deferred_transmissions;
197 __le32 tx_single_retry_frames;
198 __le32 tx_multiple_retry_frames;
199 __le32 tx_retry_limit_exceeded;
200 __le32 tx_discards;
201 __le32 rx_unicast_frames;
202 __le32 rx_multicast_frames;
203 __le32 rx_fragments;
204 __le32 rx_unicast_octets;
205 __le32 rx_multicast_octets;
206 __le32 rx_fcs_errors;
207 __le32 rx_discards_no_buffer;
208 __le32 tx_discards_wrong_sa;
209 __le32 rx_discards_wep_undecryptable;
210 __le32 rx_message_in_msg_fragments;
211 __le32 rx_message_in_bad_msg_fragments;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400212} __attribute__ ((packed));
213
214struct hfa384x_scan_result_hdr {
Al Viro8a9faf32007-12-21 03:30:16 -0500215 __le16 reserved;
216 __le16 scan_reason;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400217#define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
218#define HFA384X_SCAN_HOST_INITIATED 1
219#define HFA384X_SCAN_FIRMWARE_INITIATED 2
220#define HFA384X_SCAN_INQUIRY_FROM_HOST 3
221} __attribute__ ((packed));
222
223#define HFA384X_SCAN_MAX_RESULTS 32
224
225struct hfa384x_scan_result {
Al Viro8a9faf32007-12-21 03:30:16 -0500226 __le16 chid;
227 __le16 anl;
228 __le16 sl;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400229 u8 bssid[6];
Al Viro8a9faf32007-12-21 03:30:16 -0500230 __le16 beacon_interval;
231 __le16 capability;
232 __le16 ssid_len;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400233 u8 ssid[32];
234 u8 sup_rates[10];
Al Viro8a9faf32007-12-21 03:30:16 -0500235 __le16 rate;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400236} __attribute__ ((packed));
237
238struct hfa384x_hostscan_result {
Al Viro8a9faf32007-12-21 03:30:16 -0500239 __le16 chid;
240 __le16 anl;
241 __le16 sl;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400242 u8 bssid[6];
Al Viro8a9faf32007-12-21 03:30:16 -0500243 __le16 beacon_interval;
244 __le16 capability;
245 __le16 ssid_len;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400246 u8 ssid[32];
247 u8 sup_rates[10];
Al Viro8a9faf32007-12-21 03:30:16 -0500248 __le16 rate;
249 __le16 atim;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400250} __attribute__ ((packed));
251
252struct comm_tallies_sums {
253 unsigned int tx_unicast_frames;
254 unsigned int tx_multicast_frames;
255 unsigned int tx_fragments;
256 unsigned int tx_unicast_octets;
257 unsigned int tx_multicast_octets;
258 unsigned int tx_deferred_transmissions;
259 unsigned int tx_single_retry_frames;
260 unsigned int tx_multiple_retry_frames;
261 unsigned int tx_retry_limit_exceeded;
262 unsigned int tx_discards;
263 unsigned int rx_unicast_frames;
264 unsigned int rx_multicast_frames;
265 unsigned int rx_fragments;
266 unsigned int rx_unicast_octets;
267 unsigned int rx_multicast_octets;
268 unsigned int rx_fcs_errors;
269 unsigned int rx_discards_no_buffer;
270 unsigned int tx_discards_wrong_sa;
271 unsigned int rx_discards_wep_undecryptable;
272 unsigned int rx_message_in_msg_fragments;
273 unsigned int rx_message_in_bad_msg_fragments;
274};
275
276
277struct hfa384x_regs {
278 u16 cmd;
279 u16 evstat;
280 u16 offset0;
281 u16 offset1;
282 u16 swsupport0;
283};
284
285
286#if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
287/* I/O ports for HFA384X Controller access */
288#define HFA384X_CMD_OFF 0x00
289#define HFA384X_PARAM0_OFF 0x02
290#define HFA384X_PARAM1_OFF 0x04
291#define HFA384X_PARAM2_OFF 0x06
292#define HFA384X_STATUS_OFF 0x08
293#define HFA384X_RESP0_OFF 0x0A
294#define HFA384X_RESP1_OFF 0x0C
295#define HFA384X_RESP2_OFF 0x0E
296#define HFA384X_INFOFID_OFF 0x10
297#define HFA384X_CONTROL_OFF 0x14
298#define HFA384X_SELECT0_OFF 0x18
299#define HFA384X_SELECT1_OFF 0x1A
300#define HFA384X_OFFSET0_OFF 0x1C
301#define HFA384X_OFFSET1_OFF 0x1E
302#define HFA384X_RXFID_OFF 0x20
303#define HFA384X_ALLOCFID_OFF 0x22
304#define HFA384X_TXCOMPLFID_OFF 0x24
305#define HFA384X_SWSUPPORT0_OFF 0x28
306#define HFA384X_SWSUPPORT1_OFF 0x2A
307#define HFA384X_SWSUPPORT2_OFF 0x2C
308#define HFA384X_EVSTAT_OFF 0x30
309#define HFA384X_INTEN_OFF 0x32
310#define HFA384X_EVACK_OFF 0x34
311#define HFA384X_DATA0_OFF 0x36
312#define HFA384X_DATA1_OFF 0x38
313#define HFA384X_AUXPAGE_OFF 0x3A
314#define HFA384X_AUXOFFSET_OFF 0x3C
315#define HFA384X_AUXDATA_OFF 0x3E
316#endif /* PRISM2_PCCARD || PRISM2_PLX */
317
318#ifdef PRISM2_PCI
319/* Memory addresses for ISL3874 controller access */
320#define HFA384X_CMD_OFF 0x00
321#define HFA384X_PARAM0_OFF 0x04
322#define HFA384X_PARAM1_OFF 0x08
323#define HFA384X_PARAM2_OFF 0x0C
324#define HFA384X_STATUS_OFF 0x10
325#define HFA384X_RESP0_OFF 0x14
326#define HFA384X_RESP1_OFF 0x18
327#define HFA384X_RESP2_OFF 0x1C
328#define HFA384X_INFOFID_OFF 0x20
329#define HFA384X_CONTROL_OFF 0x28
330#define HFA384X_SELECT0_OFF 0x30
331#define HFA384X_SELECT1_OFF 0x34
332#define HFA384X_OFFSET0_OFF 0x38
333#define HFA384X_OFFSET1_OFF 0x3C
334#define HFA384X_RXFID_OFF 0x40
335#define HFA384X_ALLOCFID_OFF 0x44
336#define HFA384X_TXCOMPLFID_OFF 0x48
337#define HFA384X_PCICOR_OFF 0x4C
338#define HFA384X_SWSUPPORT0_OFF 0x50
339#define HFA384X_SWSUPPORT1_OFF 0x54
340#define HFA384X_SWSUPPORT2_OFF 0x58
341#define HFA384X_PCIHCR_OFF 0x5C
342#define HFA384X_EVSTAT_OFF 0x60
343#define HFA384X_INTEN_OFF 0x64
344#define HFA384X_EVACK_OFF 0x68
345#define HFA384X_DATA0_OFF 0x6C
346#define HFA384X_DATA1_OFF 0x70
347#define HFA384X_AUXPAGE_OFF 0x74
348#define HFA384X_AUXOFFSET_OFF 0x78
349#define HFA384X_AUXDATA_OFF 0x7C
350#define HFA384X_PCI_M0_ADDRH_OFF 0x80
351#define HFA384X_PCI_M0_ADDRL_OFF 0x84
352#define HFA384X_PCI_M0_LEN_OFF 0x88
353#define HFA384X_PCI_M0_CTL_OFF 0x8C
354#define HFA384X_PCI_STATUS_OFF 0x98
355#define HFA384X_PCI_M1_ADDRH_OFF 0xA0
356#define HFA384X_PCI_M1_ADDRL_OFF 0xA4
357#define HFA384X_PCI_M1_LEN_OFF 0xA8
358#define HFA384X_PCI_M1_CTL_OFF 0xAC
359
360/* PCI bus master control bits (these are undocumented; based on guessing and
361 * experimenting..) */
362#define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
363#define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
364
365#endif /* PRISM2_PCI */
366
367
368/* Command codes for CMD reg. */
369#define HFA384X_CMDCODE_INIT 0x00
370#define HFA384X_CMDCODE_ENABLE 0x01
371#define HFA384X_CMDCODE_DISABLE 0x02
372#define HFA384X_CMDCODE_ALLOC 0x0A
373#define HFA384X_CMDCODE_TRANSMIT 0x0B
374#define HFA384X_CMDCODE_INQUIRE 0x11
375#define HFA384X_CMDCODE_ACCESS 0x21
376#define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
377#define HFA384X_CMDCODE_DOWNLOAD 0x22
378#define HFA384X_CMDCODE_READMIF 0x30
379#define HFA384X_CMDCODE_WRITEMIF 0x31
380#define HFA384X_CMDCODE_TEST 0x38
381
382#define HFA384X_CMDCODE_MASK 0x3F
383
384/* Test mode operations */
385#define HFA384X_TEST_CHANGE_CHANNEL 0x08
386#define HFA384X_TEST_MONITOR 0x0B
387#define HFA384X_TEST_STOP 0x0F
388#define HFA384X_TEST_CFG_BITS 0x15
389#define HFA384X_TEST_CFG_BIT_ALC BIT(3)
390
391#define HFA384X_CMD_BUSY BIT(15)
392
393#define HFA384X_CMD_TX_RECLAIM BIT(8)
394
395#define HFA384X_OFFSET_ERR BIT(14)
396#define HFA384X_OFFSET_BUSY BIT(15)
397
398
399/* ProgMode for download command */
400#define HFA384X_PROGMODE_DISABLE 0
401#define HFA384X_PROGMODE_ENABLE_VOLATILE 1
402#define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
403#define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
404
405#define HFA384X_AUX_MAGIC0 0xfe01
406#define HFA384X_AUX_MAGIC1 0xdc23
407#define HFA384X_AUX_MAGIC2 0xba45
408
409#define HFA384X_AUX_PORT_DISABLED 0
410#define HFA384X_AUX_PORT_DISABLE BIT(14)
411#define HFA384X_AUX_PORT_ENABLE BIT(15)
412#define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
413#define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
414
415#define PRISM2_PDA_SIZE 1024
416
417
418/* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
419#define HFA384X_EV_TICK BIT(15)
420#define HFA384X_EV_WTERR BIT(14)
421#define HFA384X_EV_INFDROP BIT(13)
422#ifdef PRISM2_PCI
423#define HFA384X_EV_PCI_M1 BIT(9)
424#define HFA384X_EV_PCI_M0 BIT(8)
425#endif /* PRISM2_PCI */
426#define HFA384X_EV_INFO BIT(7)
427#define HFA384X_EV_DTIM BIT(5)
428#define HFA384X_EV_CMD BIT(4)
429#define HFA384X_EV_ALLOC BIT(3)
430#define HFA384X_EV_TXEXC BIT(2)
431#define HFA384X_EV_TX BIT(1)
432#define HFA384X_EV_RX BIT(0)
433
434
435/* HFA384X Information frames */
436#define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
437#define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
438#define HFA384X_INFO_COMMTALLIES 0xF100
439#define HFA384X_INFO_SCANRESULTS 0xF101
440#define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
441#define HFA384X_INFO_HOSTSCANRESULTS 0xF103
442#define HFA384X_INFO_LINKSTATUS 0xF200
443#define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
444#define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
445#define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
446#define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
447
448enum { HFA384X_LINKSTATUS_CONNECTED = 1,
449 HFA384X_LINKSTATUS_DISCONNECTED = 2,
450 HFA384X_LINKSTATUS_AP_CHANGE = 3,
451 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
452 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
453 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
454
455enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
456 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
457 HFA384X_PORTTYPE_HOSTAP = 6 };
458
459#define HFA384X_RATES_1MBPS BIT(0)
460#define HFA384X_RATES_2MBPS BIT(1)
461#define HFA384X_RATES_5MBPS BIT(2)
462#define HFA384X_RATES_11MBPS BIT(3)
463
464#define HFA384X_ROAMING_FIRMWARE 1
465#define HFA384X_ROAMING_HOST 2
466#define HFA384X_ROAMING_DISABLED 3
467
468#define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
469#define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
470#define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
471#define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
472
473#define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
474#define HFA384X_RX_STATUS_PCF BIT(12)
475#define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
476#define HFA384X_RX_STATUS_UNDECR BIT(1)
477#define HFA384X_RX_STATUS_FCSERR BIT(0)
478
479#define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
480(((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
481#define HFA384X_RX_STATUS_GET_MACPORT(s) \
482(((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
483
484enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
485 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
486
487
488#define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
489#define HFA384X_TX_CTRL_802_11 BIT(3)
490#define HFA384X_TX_CTRL_802_3 0
491#define HFA384X_TX_CTRL_TX_EX BIT(2)
492#define HFA384X_TX_CTRL_TX_OK BIT(1)
493
494#define HFA384X_TX_STATUS_RETRYERR BIT(0)
495#define HFA384X_TX_STATUS_AGEDERR BIT(1)
496#define HFA384X_TX_STATUS_DISCON BIT(2)
497#define HFA384X_TX_STATUS_FORMERR BIT(3)
498
499/* HFA3861/3863 (BBP) Control Registers */
500#define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
501#define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
502#define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
503#define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
504#define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
505
506
507#ifdef __KERNEL__
508
509#define PRISM2_TXFID_COUNT 8
510#define PRISM2_DATA_MAXLEN 2304
511#define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
512#define PRISM2_TXFID_EMPTY 0xffff
513#define PRISM2_TXFID_RESERVED 0xfffe
514#define PRISM2_DUMMY_FID 0xffff
515#define MAX_SSID_LEN 32
516#define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
517
518#define PRISM2_DUMP_RX_HDR BIT(0)
519#define PRISM2_DUMP_TX_HDR BIT(1)
520#define PRISM2_DUMP_TXEXC_HDR BIT(2)
521
522struct hostap_tx_callback_info {
523 u16 idx;
524 void (*func)(struct sk_buff *, int ok, void *);
525 void *data;
526 struct hostap_tx_callback_info *next;
527};
528
529
530/* IEEE 802.11 requires that STA supports concurrent reception of at least
531 * three fragmented frames. This define can be increased to support more
532 * concurrent frames, but it should be noted that each entry can consume about
533 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
534#define PRISM2_FRAG_CACHE_LEN 4
535
536struct prism2_frag_entry {
537 unsigned long first_frag_time;
538 unsigned int seq;
539 unsigned int last_frag;
540 struct sk_buff *skb;
541 u8 src_addr[ETH_ALEN];
542 u8 dst_addr[ETH_ALEN];
543};
544
545
Jouni Malinenff1d2762005-05-12 22:54:16 -0400546struct hostap_cmd_queue {
547 struct list_head list;
548 wait_queue_head_t compl;
549 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
Pavel Roskinb15eff22005-07-30 12:50:05 -0700550 void (*callback)(struct net_device *dev, long context, u16 resp0,
Jouni Malinenff1d2762005-05-12 22:54:16 -0400551 u16 res);
Pavel Roskinb15eff22005-07-30 12:50:05 -0700552 long context;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400553 u16 cmd, param0, param1;
554 u16 resp0, res;
555 volatile int issued, issuing;
556
557 atomic_t usecnt;
558 int del_req;
559};
560
561/* options for hw_shutdown */
562#define HOSTAP_HW_NO_DISABLE BIT(0)
563#define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
564
565typedef struct local_info local_info_t;
566
567struct prism2_helper_functions {
568 /* these functions are defined in hardware model specific files
569 * (hostap_{cs,plx,pci}.c */
570 int (*card_present)(local_info_t *local);
571 void (*cor_sreset)(local_info_t *local);
Jouni Malinenff1d2762005-05-12 22:54:16 -0400572 void (*genesis_reset)(local_info_t *local, int hcr);
573
574 /* the following functions are from hostap_hw.c, but they may have some
575 * hardware model specific code */
576
577 /* FIX: low-level commands like cmd might disappear at some point to
578 * make it easier to change them if needed (e.g., cmd would be replaced
579 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
580 * set_rid might move to hostap_{cs,plx,pci}.c */
581 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
582 u16 *resp0);
583 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
584 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
585 int exact_len);
586 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
587 int (*hw_enable)(struct net_device *dev, int initial);
588 int (*hw_config)(struct net_device *dev, int initial);
589 void (*hw_reset)(struct net_device *dev);
590 void (*hw_shutdown)(struct net_device *dev, int no_disable);
591 int (*reset_port)(struct net_device *dev);
592 void (*schedule_reset)(local_info_t *local);
593 int (*download)(local_info_t *local,
594 struct prism2_download_param *param);
595 int (*tx)(struct sk_buff *skb, struct net_device *dev);
596 int (*set_tim)(struct net_device *dev, int aid, int set);
597 int (*read_aux)(struct net_device *dev, unsigned addr, int len,
598 u8 *buf);
599
600 int need_tx_headroom; /* number of bytes of headroom needed before
601 * IEEE 802.11 header */
602 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
603};
604
605
606struct prism2_download_data {
607 u32 dl_cmd;
608 u32 start_addr;
609 u32 num_areas;
610 struct prism2_download_data_area {
611 u32 addr; /* wlan card address */
612 u32 len;
613 u8 *data; /* allocated data */
614 } data[0];
615};
616
617
618#define HOSTAP_MAX_BSS_COUNT 64
619#define MAX_WPA_IE_LEN 64
620
621struct hostap_bss_info {
622 struct list_head list;
623 unsigned long last_update;
624 unsigned int count;
625 u8 bssid[ETH_ALEN];
626 u16 capab_info;
627 u8 ssid[32];
628 size_t ssid_len;
629 u8 wpa_ie[MAX_WPA_IE_LEN];
630 size_t wpa_ie_len;
631 u8 rsn_ie[MAX_WPA_IE_LEN];
632 size_t rsn_ie_len;
633 int chan;
634 int included;
635};
636
637
638/* Per radio private Host AP data - shared by all net devices interfaces used
639 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
640 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
641 * structure. */
642struct local_info {
643 struct module *hw_module;
644 int card_idx;
645 int dev_enabled;
646 int master_dev_auto_open; /* was master device opened automatically */
647 int num_dev_open; /* number of open devices */
648 struct net_device *dev; /* master radio device */
649 struct net_device *ddev; /* main data device */
650 struct list_head hostap_interfaces; /* Host AP interface list (contains
651 * struct hostap_interface entries)
652 */
653 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
654 * when removing entries from the list.
655 * TX and RX paths can use read lock. */
656 spinlock_t cmdlock, baplock, lock;
Matthias Kaehlcke36230602007-07-30 07:40:04 +0200657 struct mutex rid_bap_mtx;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400658 u16 infofid; /* MAC buffer id for info frame */
659 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
660 * txfidlock */
661 spinlock_t txfidlock;
662 int txfid_len; /* length of allocated TX buffers */
663 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
664 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
665 * corresponding txfid is free for next TX frame */
666 u16 intransmitfid[PRISM2_TXFID_COUNT];
667 int next_txfid; /* index to the next txfid to be checked for
668 * availability */
669 int next_alloc; /* index to the next intransmitfid to be checked for
670 * allocation events */
671
672 /* bitfield for atomic bitops */
673#define HOSTAP_BITS_TRANSMIT 0
674#define HOSTAP_BITS_BAP_TASKLET 1
675#define HOSTAP_BITS_BAP_TASKLET2 2
Al Viro64b33612007-10-14 19:35:20 +0100676 unsigned long bits;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400677
678 struct ap_data *ap;
679
680 char essid[MAX_SSID_LEN + 1];
681 char name[MAX_NAME_LEN + 1];
682 int name_set;
Jouni Malinen72ca9c62005-07-30 12:50:01 -0700683 u16 channel_mask; /* mask of allowed channels */
684 u16 scan_channel_mask; /* mask of channels to be scanned */
Jouni Malinenff1d2762005-05-12 22:54:16 -0400685 struct comm_tallies_sums comm_tallies;
686 struct net_device_stats stats;
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,
Pavel Roskin573b9332008-06-27 16:20:10 -0400749 PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3
Jouni Malinenff1d2762005-05-12 22:54:16 -0400750 } monitor_type;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400751 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
Jouni Malinen62fe7e32005-07-30 20:43:20 -0700766 struct ieee80211_crypt_data *crypt[WEP_KEYS];
Jouni Malinenff1d2762005-05-12 22:54:16 -0400767 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
768 struct timer_list crypt_deinit_timer;
769 struct list_head crypt_deinit_list;
770
771 int open_wep; /* allow unencrypted frames */
772 int host_encrypt;
773 int host_decrypt;
774 int privacy_invoked; /* force privacy invoked flag even if no keys are
775 * configured */
776 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
777 * in Host AP mode (STA f/w 1.4.9 or newer) */
778 int bcrx_sta_key; /* use individual keys to override default keys even
779 * with RX of broad/multicast frames */
780
781 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
782 unsigned int frag_next_idx;
783
784 int ieee_802_1x; /* is IEEE 802.1X used */
785
786 int antsel_tx, antsel_rx;
787 int rts_threshold; /* dot11RTSThreshold */
788 int fragm_threshold; /* dot11FragmentationThreshold */
789 int auth_algs; /* PRISM2_AUTH_ flags */
790
791 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
792 int tallies32; /* 32-bit tallies in use */
793
794 struct prism2_helper_functions *func;
795
Jouni Malinenff1d2762005-05-12 22:54:16 -0400796 u8 *pda;
797 int fw_ap;
798#define PRISM2_FW_VER(major, minor, variant) \
799(((major) << 16) | ((minor) << 8) | variant)
800 u32 sta_fw_ver;
801
802 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
803 * handler */
804 struct tasklet_struct bap_tasklet;
805
806 struct tasklet_struct info_tasklet;
807 struct sk_buff_head info_list; /* info frames as skb's for
808 * info_tasklet */
809
810 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
811 */
812
813 struct tasklet_struct rx_tasklet;
814 struct sk_buff_head rx_list;
815
816 struct tasklet_struct sta_tx_exc_tasklet;
817 struct sk_buff_head sta_tx_exc_list;
818
819 int host_roaming;
820 unsigned long last_join_time; /* time of last JoinRequest */
Jouni Malinen2e4fd062005-07-30 12:50:02 -0700821 struct hfa384x_hostscan_result *last_scan_results;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400822 int last_scan_results_count;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400823 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
824 struct work_struct info_queue;
825 long pending_info; /* bit field of pending info_queue items */
826#define PRISM2_INFO_PENDING_LINKSTATUS 0
827#define PRISM2_INFO_PENDING_SCANRESULTS 1
828 int prev_link_status; /* previous received LinkStatus info */
829 int prev_linkstatus_connected;
830 u8 preferred_ap[6]; /* use this AP if possible */
831
832#ifdef PRISM2_CALLBACK
833 void *callback_data; /* Can be used in callbacks; e.g., allocate
834 * on enable event and free on disable event.
835 * Host AP driver code does not touch this. */
836#endif /* PRISM2_CALLBACK */
837
838 wait_queue_head_t hostscan_wq;
839
840 /* Passive scan in Host AP mode */
841 struct timer_list passive_scan_timer;
842 int passive_scan_interval; /* in seconds, 0 = disabled */
843 int passive_scan_channel;
844 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
845
846 struct timer_list tick_timer;
847 unsigned long last_tick_timer;
848 unsigned int sw_tick_stuck;
849
850 /* commsQuality / dBmCommsQuality data from periodic polling; only
851 * valid for Managed and Ad-hoc modes */
852 unsigned long last_comms_qual_update;
853 int comms_qual; /* in some odd unit.. */
854 int avg_signal; /* in dB (note: negative) */
855 int avg_noise; /* in dB (note: negative) */
856 struct work_struct comms_qual_update;
857
858 /* RSSI to dBm adjustment (for RX descriptor fields) */
859 int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
860
861 /* BSS list / protected by local->lock */
862 struct list_head bss_list;
863 int num_bss_info;
864 int wpa; /* WPA support enabled */
865 int tkip_countermeasures;
866 int drop_unencrypted;
867 /* Generic IEEE 802.11 info element to be added to
868 * ProbeResp/Beacon/(Re)AssocReq */
869 u8 *generic_elem;
870 size_t generic_elem_len;
871
872#ifdef PRISM2_DOWNLOAD_SUPPORT
873 /* Persistent volatile download data */
874 struct prism2_download_data *dl_pri;
875 struct prism2_download_data *dl_sec;
876#endif /* PRISM2_DOWNLOAD_SUPPORT */
877
878#ifdef PRISM2_IO_DEBUG
879#define PRISM2_IO_DEBUG_SIZE 10000
880 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
881 int io_debug_head;
882 int io_debug_enabled;
883#endif /* PRISM2_IO_DEBUG */
884
Jouni Malinen67e0e472005-08-14 19:08:41 -0700885 /* Pointer to hardware model specific (cs,pci,plx) private data. */
886 void *hw_priv;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400887};
888
889
890/* Per interface private Host AP data
891 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
892 * WDS) and netdev_priv(dev) points to this structure. */
893struct hostap_interface {
894 struct list_head list; /* list entry in Host AP interface list */
895 struct net_device *dev; /* pointer to this device */
896 struct local_info *local; /* pointer to shared private data */
897 struct net_device_stats stats;
898 struct iw_spy_data spy_data; /* iwspy support */
899 struct iw_public_data wireless_data;
900
901 enum {
902 HOSTAP_INTERFACE_MASTER,
903 HOSTAP_INTERFACE_MAIN,
904 HOSTAP_INTERFACE_AP,
905 HOSTAP_INTERFACE_STA,
906 HOSTAP_INTERFACE_WDS,
907 } type;
908
909 union {
910 struct hostap_interface_wds {
911 u8 remote_addr[ETH_ALEN];
912 } wds;
913 } u;
914};
915
916
917#define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
918
Jouni Malinen5bee7202005-08-14 19:08:39 -0700919/*
920 * TX meta data - stored in skb->cb buffer, so this must not be increased over
921 * the 40-byte limit
922 */
Jouni Malinenff1d2762005-05-12 22:54:16 -0400923struct hostap_skb_tx_data {
Jouni Malinen5bee7202005-08-14 19:08:39 -0700924 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;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400931 struct hostap_interface *iface;
932 unsigned long jiffies; /* queueing timestamp */
Jouni Malinenff1d2762005-05-12 22:54:16 -0400933 unsigned short ethertype;
Jouni Malinenff1d2762005-05-12 22:54:16 -0400934};
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...) \
949do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
950#define PDEBUG2(n, args...) \
951do { 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
960enum { 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
976static 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
995static 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
1015static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1016 int reg, int value)
1017{
1018}
1019
1020static 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
1028enum {
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};
1039void 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 */