4 #include <linux/wireless.h>
5 #include <linux/netdevice.h>
6 #include <linux/mutex.h>
7 #include <net/iw_handler.h>
9 #include "hostap_config.h"
10 #include "hostap_common.h"
12 #define MAX_PARM_DEVICES 8
13 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
14 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
15 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
18 /* Specific skb->protocol value that indicates that the packet already contains
20 * FIX: This might need own value that would be allocated especially for Prism2
21 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
22 * However, these skb's should have only minimal path in the kernel side since
23 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
24 #define ETH_P_HOSTAP ETH_P_CONTROL
26 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
27 * (from linux-wlan-ng) */
28 struct linux_wlan_ng_val {
32 } __attribute__ ((packed));
34 struct linux_wlan_ng_prism_hdr {
37 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
38 noise, rate, istx, frmlen;
39 } __attribute__ ((packed));
41 struct linux_wlan_ng_cap_hdr {
56 } __attribute__ ((packed));
58 #define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */
59 #define LWNG_CAPHDR_VERSION 0x80211001
61 struct hfa384x_rx_frame {
62 /* HFA384X RX frame descriptor */
63 __le16 status; /* HFA384X_RX_STATUS_ flags */
64 __le32 time; /* timestamp, 1 microsecond resolution */
65 u8 silence; /* 27 .. 154; seems to be 0 */
66 u8 signal; /* 27 .. 154 */
67 u8 rate; /* 10, 20, 55, or 110 */
86 /* followed by frame data; max 2304 bytes */
87 } __attribute__ ((packed));
90 struct hfa384x_tx_frame {
91 /* HFA384X TX frame descriptor */
92 __le16 status; /* HFA384X_TX_STATUS_ flags */
96 u8 retry_count; /* not yet implemented */
97 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
98 __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
101 __le16 frame_control; /* parts not used */
104 u8 addr2[6]; /* filled by firmware */
106 __le16 seq_ctrl; /* filled by firmware */
115 /* followed by frame data; max 2304 bytes */
116 } __attribute__ ((packed));
119 struct hfa384x_rid_hdr
123 } __attribute__ ((packed));
126 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
127 * dBm value with some accuracy */
128 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
130 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
132 struct hfa384x_scan_request {
134 __le16 txrate; /* HFA384X_RATES_* */
135 } __attribute__ ((packed));
137 struct hfa384x_hostscan_request {
140 __le16 target_ssid_len;
142 } __attribute__ ((packed));
144 struct hfa384x_join_request {
147 } __attribute__ ((packed));
149 struct hfa384x_info_frame {
152 } __attribute__ ((packed));
154 struct hfa384x_comm_tallies {
155 __le16 tx_unicast_frames;
156 __le16 tx_multicast_frames;
158 __le16 tx_unicast_octets;
159 __le16 tx_multicast_octets;
160 __le16 tx_deferred_transmissions;
161 __le16 tx_single_retry_frames;
162 __le16 tx_multiple_retry_frames;
163 __le16 tx_retry_limit_exceeded;
165 __le16 rx_unicast_frames;
166 __le16 rx_multicast_frames;
168 __le16 rx_unicast_octets;
169 __le16 rx_multicast_octets;
170 __le16 rx_fcs_errors;
171 __le16 rx_discards_no_buffer;
172 __le16 tx_discards_wrong_sa;
173 __le16 rx_discards_wep_undecryptable;
174 __le16 rx_message_in_msg_fragments;
175 __le16 rx_message_in_bad_msg_fragments;
176 } __attribute__ ((packed));
178 struct hfa384x_comm_tallies32 {
179 __le32 tx_unicast_frames;
180 __le32 tx_multicast_frames;
182 __le32 tx_unicast_octets;
183 __le32 tx_multicast_octets;
184 __le32 tx_deferred_transmissions;
185 __le32 tx_single_retry_frames;
186 __le32 tx_multiple_retry_frames;
187 __le32 tx_retry_limit_exceeded;
189 __le32 rx_unicast_frames;
190 __le32 rx_multicast_frames;
192 __le32 rx_unicast_octets;
193 __le32 rx_multicast_octets;
194 __le32 rx_fcs_errors;
195 __le32 rx_discards_no_buffer;
196 __le32 tx_discards_wrong_sa;
197 __le32 rx_discards_wep_undecryptable;
198 __le32 rx_message_in_msg_fragments;
199 __le32 rx_message_in_bad_msg_fragments;
200 } __attribute__ ((packed));
202 struct hfa384x_scan_result_hdr {
205 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
206 #define HFA384X_SCAN_HOST_INITIATED 1
207 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
208 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
209 } __attribute__ ((packed));
211 #define HFA384X_SCAN_MAX_RESULTS 32
213 struct hfa384x_scan_result {
218 __le16 beacon_interval;
224 } __attribute__ ((packed));
226 struct hfa384x_hostscan_result {
231 __le16 beacon_interval;
238 } __attribute__ ((packed));
240 struct comm_tallies_sums {
241 unsigned int tx_unicast_frames;
242 unsigned int tx_multicast_frames;
243 unsigned int tx_fragments;
244 unsigned int tx_unicast_octets;
245 unsigned int tx_multicast_octets;
246 unsigned int tx_deferred_transmissions;
247 unsigned int tx_single_retry_frames;
248 unsigned int tx_multiple_retry_frames;
249 unsigned int tx_retry_limit_exceeded;
250 unsigned int tx_discards;
251 unsigned int rx_unicast_frames;
252 unsigned int rx_multicast_frames;
253 unsigned int rx_fragments;
254 unsigned int rx_unicast_octets;
255 unsigned int rx_multicast_octets;
256 unsigned int rx_fcs_errors;
257 unsigned int rx_discards_no_buffer;
258 unsigned int tx_discards_wrong_sa;
259 unsigned int rx_discards_wep_undecryptable;
260 unsigned int rx_message_in_msg_fragments;
261 unsigned int rx_message_in_bad_msg_fragments;
265 struct hfa384x_regs {
274 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
275 /* I/O ports for HFA384X Controller access */
276 #define HFA384X_CMD_OFF 0x00
277 #define HFA384X_PARAM0_OFF 0x02
278 #define HFA384X_PARAM1_OFF 0x04
279 #define HFA384X_PARAM2_OFF 0x06
280 #define HFA384X_STATUS_OFF 0x08
281 #define HFA384X_RESP0_OFF 0x0A
282 #define HFA384X_RESP1_OFF 0x0C
283 #define HFA384X_RESP2_OFF 0x0E
284 #define HFA384X_INFOFID_OFF 0x10
285 #define HFA384X_CONTROL_OFF 0x14
286 #define HFA384X_SELECT0_OFF 0x18
287 #define HFA384X_SELECT1_OFF 0x1A
288 #define HFA384X_OFFSET0_OFF 0x1C
289 #define HFA384X_OFFSET1_OFF 0x1E
290 #define HFA384X_RXFID_OFF 0x20
291 #define HFA384X_ALLOCFID_OFF 0x22
292 #define HFA384X_TXCOMPLFID_OFF 0x24
293 #define HFA384X_SWSUPPORT0_OFF 0x28
294 #define HFA384X_SWSUPPORT1_OFF 0x2A
295 #define HFA384X_SWSUPPORT2_OFF 0x2C
296 #define HFA384X_EVSTAT_OFF 0x30
297 #define HFA384X_INTEN_OFF 0x32
298 #define HFA384X_EVACK_OFF 0x34
299 #define HFA384X_DATA0_OFF 0x36
300 #define HFA384X_DATA1_OFF 0x38
301 #define HFA384X_AUXPAGE_OFF 0x3A
302 #define HFA384X_AUXOFFSET_OFF 0x3C
303 #define HFA384X_AUXDATA_OFF 0x3E
304 #endif /* PRISM2_PCCARD || PRISM2_PLX */
307 /* Memory addresses for ISL3874 controller access */
308 #define HFA384X_CMD_OFF 0x00
309 #define HFA384X_PARAM0_OFF 0x04
310 #define HFA384X_PARAM1_OFF 0x08
311 #define HFA384X_PARAM2_OFF 0x0C
312 #define HFA384X_STATUS_OFF 0x10
313 #define HFA384X_RESP0_OFF 0x14
314 #define HFA384X_RESP1_OFF 0x18
315 #define HFA384X_RESP2_OFF 0x1C
316 #define HFA384X_INFOFID_OFF 0x20
317 #define HFA384X_CONTROL_OFF 0x28
318 #define HFA384X_SELECT0_OFF 0x30
319 #define HFA384X_SELECT1_OFF 0x34
320 #define HFA384X_OFFSET0_OFF 0x38
321 #define HFA384X_OFFSET1_OFF 0x3C
322 #define HFA384X_RXFID_OFF 0x40
323 #define HFA384X_ALLOCFID_OFF 0x44
324 #define HFA384X_TXCOMPLFID_OFF 0x48
325 #define HFA384X_PCICOR_OFF 0x4C
326 #define HFA384X_SWSUPPORT0_OFF 0x50
327 #define HFA384X_SWSUPPORT1_OFF 0x54
328 #define HFA384X_SWSUPPORT2_OFF 0x58
329 #define HFA384X_PCIHCR_OFF 0x5C
330 #define HFA384X_EVSTAT_OFF 0x60
331 #define HFA384X_INTEN_OFF 0x64
332 #define HFA384X_EVACK_OFF 0x68
333 #define HFA384X_DATA0_OFF 0x6C
334 #define HFA384X_DATA1_OFF 0x70
335 #define HFA384X_AUXPAGE_OFF 0x74
336 #define HFA384X_AUXOFFSET_OFF 0x78
337 #define HFA384X_AUXDATA_OFF 0x7C
338 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
339 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
340 #define HFA384X_PCI_M0_LEN_OFF 0x88
341 #define HFA384X_PCI_M0_CTL_OFF 0x8C
342 #define HFA384X_PCI_STATUS_OFF 0x98
343 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
344 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
345 #define HFA384X_PCI_M1_LEN_OFF 0xA8
346 #define HFA384X_PCI_M1_CTL_OFF 0xAC
348 /* PCI bus master control bits (these are undocumented; based on guessing and
349 * experimenting..) */
350 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
351 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
353 #endif /* PRISM2_PCI */
356 /* Command codes for CMD reg. */
357 #define HFA384X_CMDCODE_INIT 0x00
358 #define HFA384X_CMDCODE_ENABLE 0x01
359 #define HFA384X_CMDCODE_DISABLE 0x02
360 #define HFA384X_CMDCODE_ALLOC 0x0A
361 #define HFA384X_CMDCODE_TRANSMIT 0x0B
362 #define HFA384X_CMDCODE_INQUIRE 0x11
363 #define HFA384X_CMDCODE_ACCESS 0x21
364 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
365 #define HFA384X_CMDCODE_DOWNLOAD 0x22
366 #define HFA384X_CMDCODE_READMIF 0x30
367 #define HFA384X_CMDCODE_WRITEMIF 0x31
368 #define HFA384X_CMDCODE_TEST 0x38
370 #define HFA384X_CMDCODE_MASK 0x3F
372 /* Test mode operations */
373 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
374 #define HFA384X_TEST_MONITOR 0x0B
375 #define HFA384X_TEST_STOP 0x0F
376 #define HFA384X_TEST_CFG_BITS 0x15
377 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
379 #define HFA384X_CMD_BUSY BIT(15)
381 #define HFA384X_CMD_TX_RECLAIM BIT(8)
383 #define HFA384X_OFFSET_ERR BIT(14)
384 #define HFA384X_OFFSET_BUSY BIT(15)
387 /* ProgMode for download command */
388 #define HFA384X_PROGMODE_DISABLE 0
389 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
390 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
391 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
393 #define HFA384X_AUX_MAGIC0 0xfe01
394 #define HFA384X_AUX_MAGIC1 0xdc23
395 #define HFA384X_AUX_MAGIC2 0xba45
397 #define HFA384X_AUX_PORT_DISABLED 0
398 #define HFA384X_AUX_PORT_DISABLE BIT(14)
399 #define HFA384X_AUX_PORT_ENABLE BIT(15)
400 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
401 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
403 #define PRISM2_PDA_SIZE 1024
406 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
407 #define HFA384X_EV_TICK BIT(15)
408 #define HFA384X_EV_WTERR BIT(14)
409 #define HFA384X_EV_INFDROP BIT(13)
411 #define HFA384X_EV_PCI_M1 BIT(9)
412 #define HFA384X_EV_PCI_M0 BIT(8)
413 #endif /* PRISM2_PCI */
414 #define HFA384X_EV_INFO BIT(7)
415 #define HFA384X_EV_DTIM BIT(5)
416 #define HFA384X_EV_CMD BIT(4)
417 #define HFA384X_EV_ALLOC BIT(3)
418 #define HFA384X_EV_TXEXC BIT(2)
419 #define HFA384X_EV_TX BIT(1)
420 #define HFA384X_EV_RX BIT(0)
423 /* HFA384X Information frames */
424 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
425 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
426 #define HFA384X_INFO_COMMTALLIES 0xF100
427 #define HFA384X_INFO_SCANRESULTS 0xF101
428 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
429 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
430 #define HFA384X_INFO_LINKSTATUS 0xF200
431 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
432 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
433 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
434 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
436 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
437 HFA384X_LINKSTATUS_DISCONNECTED = 2,
438 HFA384X_LINKSTATUS_AP_CHANGE = 3,
439 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
440 HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
441 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
443 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
444 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
445 HFA384X_PORTTYPE_HOSTAP = 6 };
447 #define HFA384X_RATES_1MBPS BIT(0)
448 #define HFA384X_RATES_2MBPS BIT(1)
449 #define HFA384X_RATES_5MBPS BIT(2)
450 #define HFA384X_RATES_11MBPS BIT(3)
452 #define HFA384X_ROAMING_FIRMWARE 1
453 #define HFA384X_ROAMING_HOST 2
454 #define HFA384X_ROAMING_DISABLED 3
456 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
457 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
458 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
459 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
461 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
462 #define HFA384X_RX_STATUS_PCF BIT(12)
463 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
464 #define HFA384X_RX_STATUS_UNDECR BIT(1)
465 #define HFA384X_RX_STATUS_FCSERR BIT(0)
467 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
468 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
469 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
470 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
472 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
473 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
476 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
477 #define HFA384X_TX_CTRL_802_11 BIT(3)
478 #define HFA384X_TX_CTRL_802_3 0
479 #define HFA384X_TX_CTRL_TX_EX BIT(2)
480 #define HFA384X_TX_CTRL_TX_OK BIT(1)
482 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
483 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
484 #define HFA384X_TX_STATUS_DISCON BIT(2)
485 #define HFA384X_TX_STATUS_FORMERR BIT(3)
487 /* HFA3861/3863 (BBP) Control Registers */
488 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
489 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
490 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
491 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
492 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
497 #define PRISM2_TXFID_COUNT 8
498 #define PRISM2_DATA_MAXLEN 2304
499 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
500 #define PRISM2_TXFID_EMPTY 0xffff
501 #define PRISM2_TXFID_RESERVED 0xfffe
502 #define PRISM2_DUMMY_FID 0xffff
503 #define MAX_SSID_LEN 32
504 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
506 #define PRISM2_DUMP_RX_HDR BIT(0)
507 #define PRISM2_DUMP_TX_HDR BIT(1)
508 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
510 struct hostap_tx_callback_info {
512 void (*func)(struct sk_buff *, int ok, void *);
514 struct hostap_tx_callback_info *next;
518 /* IEEE 802.11 requires that STA supports concurrent reception of at least
519 * three fragmented frames. This define can be increased to support more
520 * concurrent frames, but it should be noted that each entry can consume about
521 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
522 #define PRISM2_FRAG_CACHE_LEN 4
524 struct prism2_frag_entry {
525 unsigned long first_frag_time;
527 unsigned int last_frag;
529 u8 src_addr[ETH_ALEN];
530 u8 dst_addr[ETH_ALEN];
534 struct hostap_cmd_queue {
535 struct list_head list;
536 wait_queue_head_t compl;
537 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
538 void (*callback)(struct net_device *dev, long context, u16 resp0,
541 u16 cmd, param0, param1;
543 volatile int issued, issuing;
549 /* options for hw_shutdown */
550 #define HOSTAP_HW_NO_DISABLE BIT(0)
551 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
553 typedef struct local_info local_info_t;
555 struct prism2_helper_functions {
556 /* these functions are defined in hardware model specific files
557 * (hostap_{cs,plx,pci}.c */
558 int (*card_present)(local_info_t *local);
559 void (*cor_sreset)(local_info_t *local);
560 void (*genesis_reset)(local_info_t *local, int hcr);
562 /* the following functions are from hostap_hw.c, but they may have some
563 * hardware model specific code */
565 /* FIX: low-level commands like cmd might disappear at some point to
566 * make it easier to change them if needed (e.g., cmd would be replaced
567 * with write_mif/read_mif/testcmd/inquire); at least get_rid and
568 * set_rid might move to hostap_{cs,plx,pci}.c */
569 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
571 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
572 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
574 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
575 int (*hw_enable)(struct net_device *dev, int initial);
576 int (*hw_config)(struct net_device *dev, int initial);
577 void (*hw_reset)(struct net_device *dev);
578 void (*hw_shutdown)(struct net_device *dev, int no_disable);
579 int (*reset_port)(struct net_device *dev);
580 void (*schedule_reset)(local_info_t *local);
581 int (*download)(local_info_t *local,
582 struct prism2_download_param *param);
583 int (*tx)(struct sk_buff *skb, struct net_device *dev);
584 int (*set_tim)(struct net_device *dev, int aid, int set);
585 int (*read_aux)(struct net_device *dev, unsigned addr, int len,
588 int need_tx_headroom; /* number of bytes of headroom needed before
589 * IEEE 802.11 header */
590 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
594 struct prism2_download_data {
598 struct prism2_download_data_area {
599 u32 addr; /* wlan card address */
601 u8 *data; /* allocated data */
606 #define HOSTAP_MAX_BSS_COUNT 64
607 #define MAX_WPA_IE_LEN 64
609 struct hostap_bss_info {
610 struct list_head list;
611 unsigned long last_update;
617 u8 wpa_ie[MAX_WPA_IE_LEN];
619 u8 rsn_ie[MAX_WPA_IE_LEN];
626 /* Per radio private Host AP data - shared by all net devices interfaces used
627 * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
628 * ((struct hostap_interface *) netdev_priv(dev))->local points to this
631 struct module *hw_module;
634 int master_dev_auto_open; /* was master device opened automatically */
635 int num_dev_open; /* number of open devices */
636 struct net_device *dev; /* master radio device */
637 struct net_device *ddev; /* main data device */
638 struct list_head hostap_interfaces; /* Host AP interface list (contains
639 * struct hostap_interface entries)
641 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
642 * when removing entries from the list.
643 * TX and RX paths can use read lock. */
644 spinlock_t cmdlock, baplock, lock;
645 struct mutex rid_bap_mtx;
646 u16 infofid; /* MAC buffer id for info frame */
647 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
649 spinlock_t txfidlock;
650 int txfid_len; /* length of allocated TX buffers */
651 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
652 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
653 * corresponding txfid is free for next TX frame */
654 u16 intransmitfid[PRISM2_TXFID_COUNT];
655 int next_txfid; /* index to the next txfid to be checked for
657 int next_alloc; /* index to the next intransmitfid to be checked for
658 * allocation events */
660 /* bitfield for atomic bitops */
661 #define HOSTAP_BITS_TRANSMIT 0
662 #define HOSTAP_BITS_BAP_TASKLET 1
663 #define HOSTAP_BITS_BAP_TASKLET2 2
668 char essid[MAX_SSID_LEN + 1];
669 char name[MAX_NAME_LEN + 1];
671 u16 channel_mask; /* mask of allowed channels */
672 u16 scan_channel_mask; /* mask of channels to be scanned */
673 struct comm_tallies_sums comm_tallies;
674 struct net_device_stats stats;
675 struct proc_dir_entry *proc;
676 int iw_mode; /* operating mode (IW_MODE_*) */
677 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
678 * 1: IW_MODE_ADHOC is "pseudo IBSS" */
679 char bssid[ETH_ALEN];
684 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
685 int fw_tx_rate_control;
690 int hw_reset_tries; /* how many times reset has been tried */
694 int no_pri; /* no PRI f/w present */
695 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
698 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
699 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
701 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
703 /* command queue for hfa384x_cmd(); protected with cmdlock */
704 struct list_head cmd_queue;
705 /* max_len for cmd_queue; in addition, cmd_callback can use two
706 * additional entries to prevent sleeping commands from stopping
708 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
709 int cmd_queue_len; /* number of entries in cmd_queue */
711 /* if card timeout is detected in interrupt context, reset_queue is
712 * used to schedule card reseting to be done in user context */
713 struct work_struct reset_queue;
715 /* For scheduling a change of the promiscuous mode RID */
717 struct work_struct set_multicast_list_queue;
719 struct work_struct set_tim_queue;
720 struct list_head set_tim_list;
721 spinlock_t set_tim_lock;
723 int wds_max_connections;
725 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
726 #define HOSTAP_WDS_AP_CLIENT BIT(1)
727 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
729 u16 tx_control; /* flags to be used in TX description */
730 int manual_retry_count; /* -1 = use f/w default; otherwise retry count
731 * to be used with all frames */
733 struct iw_statistics wstats;
734 unsigned long scan_timestamp; /* Time started to scan */
736 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
737 PRISM2_MONITOR_CAPHDR = 2
739 int monitor_allow_fcserr;
741 int hostapd; /* whether user space daemon, hostapd, is used for AP
743 int hostapd_sta; /* whether hostapd is used with an extra STA interface
745 struct net_device *apdev;
746 struct net_device_stats apdevstats;
748 char assoc_ap_addr[ETH_ALEN];
749 struct net_device *stadev;
750 struct net_device_stats stadevstats;
753 #define WEP_KEY_LEN 13
754 struct ieee80211_crypt_data *crypt[WEP_KEYS];
755 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
756 struct timer_list crypt_deinit_timer;
757 struct list_head crypt_deinit_list;
759 int open_wep; /* allow unencrypted frames */
762 int privacy_invoked; /* force privacy invoked flag even if no keys are
764 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
765 * in Host AP mode (STA f/w 1.4.9 or newer) */
766 int bcrx_sta_key; /* use individual keys to override default keys even
767 * with RX of broad/multicast frames */
769 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
770 unsigned int frag_next_idx;
772 int ieee_802_1x; /* is IEEE 802.1X used */
774 int antsel_tx, antsel_rx;
775 int rts_threshold; /* dot11RTSThreshold */
776 int fragm_threshold; /* dot11FragmentationThreshold */
777 int auth_algs; /* PRISM2_AUTH_ flags */
779 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
780 int tallies32; /* 32-bit tallies in use */
782 struct prism2_helper_functions *func;
786 #define PRISM2_FW_VER(major, minor, variant) \
787 (((major) << 16) | ((minor) << 8) | variant)
790 /* Tasklets for handling hardware IRQ related operations outside hw IRQ
792 struct tasklet_struct bap_tasklet;
794 struct tasklet_struct info_tasklet;
795 struct sk_buff_head info_list; /* info frames as skb's for
798 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
801 struct tasklet_struct rx_tasklet;
802 struct sk_buff_head rx_list;
804 struct tasklet_struct sta_tx_exc_tasklet;
805 struct sk_buff_head sta_tx_exc_list;
808 unsigned long last_join_time; /* time of last JoinRequest */
809 struct hfa384x_hostscan_result *last_scan_results;
810 int last_scan_results_count;
811 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
812 struct work_struct info_queue;
813 long pending_info; /* bit field of pending info_queue items */
814 #define PRISM2_INFO_PENDING_LINKSTATUS 0
815 #define PRISM2_INFO_PENDING_SCANRESULTS 1
816 int prev_link_status; /* previous received LinkStatus info */
817 int prev_linkstatus_connected;
818 u8 preferred_ap[6]; /* use this AP if possible */
820 #ifdef PRISM2_CALLBACK
821 void *callback_data; /* Can be used in callbacks; e.g., allocate
822 * on enable event and free on disable event.
823 * Host AP driver code does not touch this. */
824 #endif /* PRISM2_CALLBACK */
826 wait_queue_head_t hostscan_wq;
828 /* Passive scan in Host AP mode */
829 struct timer_list passive_scan_timer;
830 int passive_scan_interval; /* in seconds, 0 = disabled */
831 int passive_scan_channel;
832 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
834 struct timer_list tick_timer;
835 unsigned long last_tick_timer;
836 unsigned int sw_tick_stuck;
838 /* commsQuality / dBmCommsQuality data from periodic polling; only
839 * valid for Managed and Ad-hoc modes */
840 unsigned long last_comms_qual_update;
841 int comms_qual; /* in some odd unit.. */
842 int avg_signal; /* in dB (note: negative) */
843 int avg_noise; /* in dB (note: negative) */
844 struct work_struct comms_qual_update;
846 /* RSSI to dBm adjustment (for RX descriptor fields) */
847 int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
849 /* BSS list / protected by local->lock */
850 struct list_head bss_list;
852 int wpa; /* WPA support enabled */
853 int tkip_countermeasures;
854 int drop_unencrypted;
855 /* Generic IEEE 802.11 info element to be added to
856 * ProbeResp/Beacon/(Re)AssocReq */
858 size_t generic_elem_len;
860 #ifdef PRISM2_DOWNLOAD_SUPPORT
861 /* Persistent volatile download data */
862 struct prism2_download_data *dl_pri;
863 struct prism2_download_data *dl_sec;
864 #endif /* PRISM2_DOWNLOAD_SUPPORT */
866 #ifdef PRISM2_IO_DEBUG
867 #define PRISM2_IO_DEBUG_SIZE 10000
868 u32 io_debug[PRISM2_IO_DEBUG_SIZE];
870 int io_debug_enabled;
871 #endif /* PRISM2_IO_DEBUG */
873 /* Pointer to hardware model specific (cs,pci,plx) private data. */
878 /* Per interface private Host AP data
879 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
880 * WDS) and netdev_priv(dev) points to this structure. */
881 struct hostap_interface {
882 struct list_head list; /* list entry in Host AP interface list */
883 struct net_device *dev; /* pointer to this device */
884 struct local_info *local; /* pointer to shared private data */
885 struct net_device_stats stats;
886 struct iw_spy_data spy_data; /* iwspy support */
887 struct iw_public_data wireless_data;
890 HOSTAP_INTERFACE_MASTER,
891 HOSTAP_INTERFACE_MAIN,
893 HOSTAP_INTERFACE_STA,
894 HOSTAP_INTERFACE_WDS,
898 struct hostap_interface_wds {
899 u8 remote_addr[ETH_ALEN];
905 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
908 * TX meta data - stored in skb->cb buffer, so this must not be increased over
911 struct hostap_skb_tx_data {
912 u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
913 u8 rate; /* transmit rate */
914 #define HOSTAP_TX_FLAGS_WDS BIT(0)
915 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
916 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
917 u8 flags; /* HOSTAP_TX_FLAGS_* */
919 struct hostap_interface *iface;
920 unsigned long jiffies; /* queueing timestamp */
921 unsigned short ethertype;
925 #ifndef PRISM2_NO_DEBUG
927 #define DEBUG_FID BIT(0)
928 #define DEBUG_PS BIT(1)
929 #define DEBUG_FLOW BIT(2)
930 #define DEBUG_AP BIT(3)
931 #define DEBUG_HW BIT(4)
932 #define DEBUG_EXTRA BIT(5)
933 #define DEBUG_EXTRA2 BIT(6)
934 #define DEBUG_PS2 BIT(7)
935 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
936 #define PDEBUG(n, args...) \
937 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
938 #define PDEBUG2(n, args...) \
939 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
941 #else /* PRISM2_NO_DEBUG */
943 #define PDEBUG(n, args...)
944 #define PDEBUG2(n, args...)
946 #endif /* PRISM2_NO_DEBUG */
948 enum { BAP0 = 0, BAP1 = 1 };
950 #define PRISM2_IO_DEBUG_CMD_INB 0
951 #define PRISM2_IO_DEBUG_CMD_INW 1
952 #define PRISM2_IO_DEBUG_CMD_INSW 2
953 #define PRISM2_IO_DEBUG_CMD_OUTB 3
954 #define PRISM2_IO_DEBUG_CMD_OUTW 4
955 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
956 #define PRISM2_IO_DEBUG_CMD_ERROR 6
957 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
959 #ifdef PRISM2_IO_DEBUG
961 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
962 (((cmd) << 24) | ((reg) << 16) | value)
964 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
967 struct hostap_interface *iface = netdev_priv(dev);
968 local_info_t *local = iface->local;
970 if (!local->io_debug_enabled)
973 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
974 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
975 local->io_debug_head = 0;
976 local->io_debug[local->io_debug_head] =
977 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
978 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
979 local->io_debug_head = 0;
983 static inline void prism2_io_debug_error(struct net_device *dev, int err)
985 struct hostap_interface *iface = netdev_priv(dev);
986 local_info_t *local = iface->local;
989 if (!local->io_debug_enabled)
992 spin_lock_irqsave(&local->lock, flags);
993 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
994 if (local->io_debug_enabled == 1) {
995 local->io_debug_enabled = 0;
996 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
998 spin_unlock_irqrestore(&local->lock, flags);
1001 #else /* PRISM2_IO_DEBUG */
1003 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1008 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1012 #endif /* PRISM2_IO_DEBUG */
1015 #ifdef PRISM2_CALLBACK
1017 /* Called when card is enabled */
1018 PRISM2_CALLBACK_ENABLE,
1020 /* Called when card is disabled */
1021 PRISM2_CALLBACK_DISABLE,
1023 /* Called when RX/TX starts/ends */
1024 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1025 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1027 void prism2_callback(local_info_t *local, int event);
1028 #else /* PRISM2_CALLBACK */
1029 #define prism2_callback(d, e) do { } while (0)
1030 #endif /* PRISM2_CALLBACK */
1032 #endif /* __KERNEL__ */
1034 #endif /* HOSTAP_WLAN_H */