2 * Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11
3 * remains copyright by the original authors
5 * Portions of the merged code are based on Host AP (software wireless
6 * LAN access point) driver for Intersil Prism2/2.5/3.
8 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
10 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
12 * Adaption to a generic IEEE 802.11 stack by James Ketrenos
13 * <jketreno@linux.intel.com>
14 * Copyright (c) 2004, Intel Corporation
16 * Modified for Realtek's wi-fi cards by Andrea Merello
17 * <andreamrl@tiscali.it>
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License version 2 as
21 * published by the Free Software Foundation. See README and COPYING for
26 #include <linux/if_ether.h> /* ETH_ALEN */
27 #include <linux/kernel.h> /* ARRAY_SIZE */
28 #include <linux/version.h>
29 #include <linux/module.h>
30 #include <linux/jiffies.h>
31 #include <linux/timer.h>
32 #include <linux/sched.h>
33 #include <linux/semaphore.h>
35 #include <linux/delay.h>
36 #include <linux/wireless.h>
37 #include <linux/ieee80211.h>
39 #include "rtl819x_HT.h"
40 #include "rtl819x_BA.h"
41 #include "rtl819x_TS.h"
43 #define KEY_TYPE_NA 0x0
44 #define KEY_TYPE_WEP40 0x1
45 #define KEY_TYPE_TKIP 0x2
46 #define KEY_TYPE_CCMP 0x4
47 #define KEY_TYPE_WEP104 0x5
49 #define aSifsTime (((priv->ieee80211->current_network.mode == IEEE_A) || \
50 (priv->ieee80211->current_network.mode == IEEE_N_24G) || \
51 (priv->ieee80211->current_network.mode == IEEE_N_5G)) \
54 #define MGMT_QUEUE_NUM 5
56 #define IEEE_CMD_SET_WPA_PARAM 1
57 #define IEEE_CMD_SET_WPA_IE 2
58 #define IEEE_CMD_SET_ENCRYPTION 3
59 #define IEEE_CMD_MLME 4
61 #define IEEE_PARAM_WPA_ENABLED 1
62 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
63 #define IEEE_PARAM_DROP_UNENCRYPTED 3
64 #define IEEE_PARAM_PRIVACY_INVOKED 4
65 #define IEEE_PARAM_AUTH_ALGS 5
66 #define IEEE_PARAM_IEEE_802_1X 6
67 //It should consistent with the driver_XXX.c
69 #define IEEE_PARAM_WPAX_SELECT 7
70 //Added for notify the encryption type selection
72 #define IEEE_PROTO_WPA 1
73 #define IEEE_PROTO_RSN 2
74 //Added for notify the encryption type selection
76 #define IEEE_WPAX_USEGROUP 0
77 #define IEEE_WPAX_WEP40 1
78 #define IEEE_WPAX_TKIP 2
79 #define IEEE_WPAX_WRAP 3
80 #define IEEE_WPAX_CCMP 4
81 #define IEEE_WPAX_WEP104 5
83 #define IEEE_KEY_MGMT_IEEE8021X 1
84 #define IEEE_KEY_MGMT_PSK 2
86 #define IEEE_MLME_STA_DEAUTH 1
87 #define IEEE_MLME_STA_DISASSOC 2
90 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
91 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
92 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
93 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
94 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
95 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
98 #define IEEE_CRYPT_ALG_NAME_LEN 16
100 #define MAX_IE_LEN 0xff
102 typedef struct ieee_param {
104 u8 sta_addr[ETH_ALEN];
120 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
124 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
131 #define MSECS(t) msecs_to_jiffies(t)
132 #define msleep_interruptible_rsl msleep_interruptible
134 #define IEEE80211_DATA_LEN 2304
135 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
138 The figure in section 7.1.2 suggests a body size of up to 2312
139 bytes is allowed, which is a bit confusing, I suspect this
140 represents the 2304 bytes of real data, plus a possible 8 bytes of
141 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
142 #define IEEE80211_1ADDR_LEN 10
143 #define IEEE80211_2ADDR_LEN 16
144 #define IEEE80211_3ADDR_LEN 24
145 #define IEEE80211_4ADDR_LEN 30
146 #define IEEE80211_FCS_LEN 4
147 #define IEEE80211_HLEN IEEE80211_4ADDR_LEN
148 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
149 #define IEEE80211_MGMT_HDR_LEN 24
150 #define IEEE80211_DATA_HDR3_LEN 24
151 #define IEEE80211_DATA_HDR4_LEN 30
153 #define MIN_FRAG_THRESHOLD 256U
154 #define MAX_FRAG_THRESHOLD 2346U
157 /* Frame control field constants */
158 #define IEEE80211_FCTL_FRAMETYPE 0x00fc
159 #define IEEE80211_FCTL_DSTODS 0x0300 //added by david
160 #define IEEE80211_FCTL_WEP 0x4000
163 #define IEEE80211_STYPE_MANAGE_ACT 0x00D0
166 #define IEEE80211_STYPE_BLOCKACK 0x0094
169 #define IEEE80211_QCTL_TID 0x000F
172 #define CONFIG_IEEE80211_DEBUG
173 #ifdef CONFIG_IEEE80211_DEBUG
174 extern u32 ieee80211_debug_level;
175 #define IEEE80211_DEBUG(level, fmt, args...) \
177 if (ieee80211_debug_level & (level)) \
178 printk(KERN_DEBUG "ieee80211: " fmt, ## args); \
180 #define IEEE80211_DEBUG_DATA(level, data, datalen) \
182 if ((ieee80211_debug_level & (level)) == (level)) { \
183 u8 *pdata = (u8 *)data; \
185 printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \
186 for (i = 0; i < (int)(datalen); i++) { \
187 printk("%2x ", pdata[i]); \
188 if ((i + 1) % 16 == 0) \
195 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
196 #define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
197 #endif /* CONFIG_IEEE80211_DEBUG */
200 * To use the debug system;
202 * If you are defining a new debug classification, simply add it to the #define
203 * list here in the form of:
205 * #define IEEE80211_DL_xxxx VALUE
207 * shifting value to the left one bit from the previous entry. xxxx should be
208 * the name of the classification (for example, WEP)
210 * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
211 * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
212 * to send output to that classification.
214 * To add your debug level to the list of levels seen when you perform
216 * % cat /proc/net/ipw/debug_level
218 * you simply need to add your entry to the ipw_debug_levels array.
220 * If you do not see debug_level in /proc/net/ipw then you do not have
221 * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
225 #define IEEE80211_DL_INFO (1<<0)
226 #define IEEE80211_DL_WX (1<<1)
227 #define IEEE80211_DL_SCAN (1<<2)
228 #define IEEE80211_DL_STATE (1<<3)
229 #define IEEE80211_DL_MGMT (1<<4)
230 #define IEEE80211_DL_FRAG (1<<5)
231 #define IEEE80211_DL_EAP (1<<6)
232 #define IEEE80211_DL_DROP (1<<7)
234 #define IEEE80211_DL_TX (1<<8)
235 #define IEEE80211_DL_RX (1<<9)
237 #define IEEE80211_DL_HT (1 << 10)
238 #define IEEE80211_DL_BA (1 << 11)
239 #define IEEE80211_DL_TS (1 << 12)
240 #define IEEE80211_DL_QOS (1 << 13)
241 #define IEEE80211_DL_REORDER (1 << 14)
242 #define IEEE80211_DL_IOT (1 << 15)
243 #define IEEE80211_DL_IPS (1 << 16)
244 #define IEEE80211_DL_TRACE (1 << 29)
245 #define IEEE80211_DL_DATA (1 << 30)
246 #define IEEE80211_DL_ERR (1 << 31)
248 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
249 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
250 #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
252 #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
253 #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
254 #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
255 #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
256 #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
257 #define IEEE80211_DEBUG_EAP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
258 #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
259 #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
260 #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
261 #define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
263 #include <linux/netdevice.h>
264 #include <linux/if_arp.h> /* ARPHRD_ETHER */
267 #define WIRELESS_SPY // enable iwspy support
269 #include <net/iw_handler.h> // new driver API
272 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
273 #endif /* ETH_P_PAE */
275 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
277 #ifndef ETH_P_80211_RAW
278 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
281 /* IEEE 802.11 defines */
283 #define P80211_OUI_LEN 3
285 struct ieee80211_snap_hdr {
287 u8 dsap; /* always 0xAA */
288 u8 ssap; /* always 0xAA */
289 u8 ctrl; /* always 0x03 */
290 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
292 } __attribute__ ((packed));
294 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
296 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
297 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
298 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
300 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
301 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
302 #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
304 #define RTL_WLAN_AUTH_LEAP 2
306 #define WLAN_CAPABILITY_BSS (1<<0)
307 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
309 #define IEEE80211_STATMASK_SIGNAL (1<<0)
310 #define IEEE80211_STATMASK_RSSI (1<<1)
311 #define IEEE80211_STATMASK_NOISE (1<<2)
312 #define IEEE80211_STATMASK_RATE (1<<3)
313 #define IEEE80211_STATMASK_WEMASK 0x7
315 #define IEEE80211_CCK_MODULATION (1<<0)
316 #define IEEE80211_OFDM_MODULATION (1<<1)
318 #define IEEE80211_24GHZ_BAND (1<<0)
319 #define IEEE80211_52GHZ_BAND (1<<1)
321 #define IEEE80211_CCK_RATE_LEN 4
322 #define IEEE80211_CCK_RATE_1MB 0x02
323 #define IEEE80211_CCK_RATE_2MB 0x04
324 #define IEEE80211_CCK_RATE_5MB 0x0B
325 #define IEEE80211_CCK_RATE_11MB 0x16
326 #define IEEE80211_OFDM_RATE_LEN 8
327 #define IEEE80211_OFDM_RATE_6MB 0x0C
328 #define IEEE80211_OFDM_RATE_9MB 0x12
329 #define IEEE80211_OFDM_RATE_12MB 0x18
330 #define IEEE80211_OFDM_RATE_18MB 0x24
331 #define IEEE80211_OFDM_RATE_24MB 0x30
332 #define IEEE80211_OFDM_RATE_36MB 0x48
333 #define IEEE80211_OFDM_RATE_48MB 0x60
334 #define IEEE80211_OFDM_RATE_54MB 0x6C
335 #define IEEE80211_BASIC_RATE_MASK 0x80
337 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
338 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
339 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
340 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
341 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
342 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
343 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
344 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
345 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
346 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
347 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
348 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
350 #define IEEE80211_CCK_RATES_MASK 0x0000000F
351 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
352 IEEE80211_CCK_RATE_2MB_MASK)
353 #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
354 IEEE80211_CCK_RATE_5MB_MASK | \
355 IEEE80211_CCK_RATE_11MB_MASK)
357 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
358 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
359 IEEE80211_OFDM_RATE_12MB_MASK | \
360 IEEE80211_OFDM_RATE_24MB_MASK)
361 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
362 IEEE80211_OFDM_RATE_9MB_MASK | \
363 IEEE80211_OFDM_RATE_18MB_MASK | \
364 IEEE80211_OFDM_RATE_36MB_MASK | \
365 IEEE80211_OFDM_RATE_48MB_MASK | \
366 IEEE80211_OFDM_RATE_54MB_MASK)
367 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
368 IEEE80211_CCK_DEFAULT_RATES_MASK)
370 #define IEEE80211_NUM_OFDM_RATES 8
371 #define IEEE80211_NUM_CCK_RATES 4
372 #define IEEE80211_OFDM_SHIFT_MASK_A 4
375 /* this is stolen and modified from the madwifi driver*/
376 #define IEEE80211_FC0_TYPE_MASK 0x0c
377 #define IEEE80211_FC0_TYPE_DATA 0x08
378 #define IEEE80211_FC0_SUBTYPE_MASK 0xB0
379 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
381 #define IEEE80211_QOS_HAS_SEQ(fc) \
382 (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
383 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
385 /* this is stolen from ipw2200 driver */
386 #define IEEE_IBSS_MAC_HASH_SIZE 31
387 struct ieee_ibss_seq {
391 unsigned long packet_time[17];
392 struct list_head list;
395 /* NOTE: This data is for statistical purposes; not all hardware provides this
396 * information for frames received. Not setting these will not cause
397 * any adverse affects. */
398 struct ieee80211_rx_stats {
403 u16 rate; /* in 100 kbps */
414 u8 SignalQuality; /* in 0-100 index */
415 /* real power in dBm for this packet, no beautification & aggregation */
417 s8 RxPower; /* in dBm Translate from PWdB */
418 u8 SignalStrength; /* in 0-100 index */
422 u16 bShortPreamble:1;
423 u16 Antenna:1; /* RTL8185 */
424 u16 Decrypted:1; /* RTL8185, RTL8187 */
425 u16 Wakeup:1; /* RTL8185 */
426 u16 Reserved0:1; /* RTL8185 */
434 /* < 11n or 8190 specific code */
440 bool RxIs40MHzPacket;
442 u8 RxMIMOSignalStrength[4]; /* in 0~100 index */
443 s8 RxMIMOSignalQuality[2];
444 bool bPacketMatchBSSID;
449 /* total packet length: must equal to sum of all FragLength */
451 /* FragLength should equal to PacketLength in non-fragment case */
453 u16 fragoffset; /* data offset for this fragment */
455 bool bisrxaggrsubframe;
456 bool bPacketBeacon; /* for rssi */
457 bool bToSelfBA; /* for rssi */
458 char cck_adc_pwdb[4]; /* for rx path selection */
460 u8 nTotalAggPkt; /* number of aggregated packets */
463 /* IEEE 802.11 requires that STA supports concurrent reception of at least
464 * three fragmented frames. This define can be increased to support more
465 * concurrent frames, but it should be noted that each entry can consume about
466 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
467 #define IEEE80211_FRAG_CACHE_LEN 4
469 struct ieee80211_frag_entry {
470 unsigned long first_frag_time;
472 unsigned int last_frag;
474 u8 src_addr[ETH_ALEN];
475 u8 dst_addr[ETH_ALEN];
478 struct ieee80211_stats {
479 unsigned int tx_unicast_frames;
480 unsigned int tx_multicast_frames;
481 unsigned int tx_fragments;
482 unsigned int tx_unicast_octets;
483 unsigned int tx_multicast_octets;
484 unsigned int tx_deferred_transmissions;
485 unsigned int tx_single_retry_frames;
486 unsigned int tx_multiple_retry_frames;
487 unsigned int tx_retry_limit_exceeded;
488 unsigned int tx_discards;
489 unsigned int rx_unicast_frames;
490 unsigned int rx_multicast_frames;
491 unsigned int rx_fragments;
492 unsigned int rx_unicast_octets;
493 unsigned int rx_multicast_octets;
494 unsigned int rx_fcs_errors;
495 unsigned int rx_discards_no_buffer;
496 unsigned int tx_discards_wrong_sa;
497 unsigned int rx_discards_undecryptable;
498 unsigned int rx_message_in_msg_fragments;
499 unsigned int rx_message_in_bad_msg_fragments;
502 struct ieee80211_device;
504 #include "ieee80211_crypt.h"
506 #define SEC_KEY_1 (1<<0)
507 #define SEC_KEY_2 (1<<1)
508 #define SEC_KEY_3 (1<<2)
509 #define SEC_KEY_4 (1<<3)
510 #define SEC_ACTIVE_KEY (1<<4)
511 #define SEC_AUTH_MODE (1<<5)
512 #define SEC_UNICAST_GROUP (1<<6)
513 #define SEC_LEVEL (1<<7)
514 #define SEC_ENABLED (1<<8)
516 #define SEC_LEVEL_0 0 /* None */
517 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
518 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
519 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
520 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
523 #define WEP_KEY_LEN 13
524 #define SCM_KEY_LEN 32
526 struct ieee80211_security {
531 unicast_uses_group:1,
533 u8 key_sizes[WEP_KEYS];
534 u8 keys[WEP_KEYS][SCM_KEY_LEN];
537 } __attribute__ ((packed));
541 802.11 data frame from AP
542 ,-------------------------------------------------------------------.
543 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
544 |------|------|---------|---------|---------|------|---------|------|
545 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
546 | | tion | (BSSID) | | | ence | data | |
547 `-------------------------------------------------------------------'
551 /* Management Frame Information Element Types */
555 MFIE_TYPE_FH_SET = 2,
556 MFIE_TYPE_DS_SET = 3,
557 MFIE_TYPE_CF_SET = 4,
559 MFIE_TYPE_IBSS_SET = 6,
560 MFIE_TYPE_COUNTRY = 7,
561 MFIE_TYPE_HOP_PARAMS = 8,
562 MFIE_TYPE_HOP_TABLE = 9,
563 MFIE_TYPE_REQUEST = 10,
564 MFIE_TYPE_CHALLENGE = 16,
565 MFIE_TYPE_POWER_CONSTRAINT = 32,
566 MFIE_TYPE_POWER_CAPABILITY = 33,
567 MFIE_TYPE_TPC_REQUEST = 34,
568 MFIE_TYPE_TPC_REPORT = 35,
569 MFIE_TYPE_SUPP_CHANNELS = 36,
571 MFIE_TYPE_MEASURE_REQUEST = 38,
572 MFIE_TYPE_MEASURE_REPORT = 39,
573 MFIE_TYPE_QUIET = 40,
574 MFIE_TYPE_IBSS_DFS = 41,
577 MFIE_TYPE_RATES_EX = 50,
578 MFIE_TYPE_HT_CAP= 45,
579 MFIE_TYPE_HT_INFO= 61,
580 MFIE_TYPE_AIRONET=133,
581 MFIE_TYPE_GENERIC = 221,
582 MFIE_TYPE_QOS_PARAMETER = 222,
585 /* Minimal header; can be used for passing 802.11 frames with sufficient
586 * information to determine what type of underlying data type is actually
587 * stored in the data. */
588 struct rtl_ieee80211_hdr {
592 } __attribute__ ((packed));
594 struct ieee80211_hdr_1addr {
599 } __attribute__ ((packed));
601 struct ieee80211_hdr_2addr {
607 } __attribute__ ((packed));
609 struct ieee80211_hdr_4addr {
618 } __attribute__ ((packed));
620 struct ieee80211_hdr_3addrqos {
629 } __attribute__ ((packed));
631 struct ieee80211_hdr_4addrqos {
641 } __attribute__ ((packed));
643 struct ieee80211_info_element {
647 } __attribute__ ((packed));
649 struct ieee80211_authentication {
650 struct ieee80211_hdr_3addr header;
655 struct ieee80211_info_element info_element[0];
656 } __attribute__ ((packed));
658 struct ieee80211_disassoc {
659 struct ieee80211_hdr_3addr header;
661 } __attribute__ ((packed));
663 struct ieee80211_probe_request {
664 struct ieee80211_hdr_3addr header;
665 /* SSID, supported rates */
666 struct ieee80211_info_element info_element[0];
667 } __attribute__ ((packed));
669 struct ieee80211_probe_response {
670 struct ieee80211_hdr_3addr header;
672 __le16 beacon_interval;
674 /* SSID, supported rates, FH params, DS params,
675 * CF params, IBSS params, TIM (if beacon), RSN */
676 struct ieee80211_info_element info_element[0];
677 } __attribute__ ((packed));
679 struct ieee80211_assoc_request_frame {
680 struct ieee80211_hdr_3addr header;
682 __le16 listen_interval;
683 /* SSID, supported rates, RSN */
684 struct ieee80211_info_element info_element[0];
685 } __attribute__ ((packed));
687 struct ieee80211_reassoc_request_frame {
688 struct ieee80211_hdr_3addr header;
690 __le16 listen_interval;
691 u8 current_ap[ETH_ALEN];
692 /* SSID, supported rates, RSN */
693 struct ieee80211_info_element info_element[0];
694 } __attribute__ ((packed));
696 struct ieee80211_assoc_response_frame {
697 struct ieee80211_hdr_3addr header;
701 struct ieee80211_info_element info_element[0]; /* supported rates */
702 } __attribute__ ((packed));
704 struct ieee80211_txb {
712 struct sk_buff *fragments[0];
715 #define MAX_SUBFRAME_COUNT 64
716 struct ieee80211_rxb {
718 struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
721 }__attribute__((packed));
723 /* SWEEP TABLE ENTRIES NUMBER */
724 #define MAX_SWEEP_TAB_ENTRIES 42
725 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
726 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
727 * only use 8, and then use extended rates for the remaining supported
728 * rates. Other APs, however, stick all of their supported rates on the
729 * main rates information element... */
730 #define MAX_RATES_LENGTH ((u8)12)
731 #define MAX_RATES_EX_LENGTH ((u8)16)
732 #define MAX_NETWORK_COUNT 128
734 #define MAX_CHANNEL_NUMBER 161
736 #define IEEE80211_SOFTMAC_SCAN_TIME 100 /* (HZ / 2) */
737 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
739 #define CRC_LENGTH 4U
741 #define MAX_WPA_IE_LEN 64
743 #define NETWORK_EMPTY_ESSID (1 << 0)
744 #define NETWORK_HAS_OFDM (1 << 1)
745 #define NETWORK_HAS_CCK (1 << 2)
748 #define NETWORK_HAS_QOS_PARAMETERS (1 << 3)
749 #define NETWORK_HAS_QOS_INFORMATION (1 << 4)
750 #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
751 NETWORK_HAS_QOS_INFORMATION)
753 #define NETWORK_HAS_ERP_VALUE (1 << 10)
755 #define QOS_QUEUE_NUM 4
756 #define QOS_OUI_LEN 3
757 #define QOS_OUI_TYPE 2
758 #define QOS_ELEMENT_ID 221
759 #define QOS_OUI_INFO_SUB_TYPE 0
760 #define QOS_OUI_PARAM_SUB_TYPE 1
761 #define QOS_VERSION_1 1
762 #define QOS_AIFSN_MIN_VALUE 2
764 struct ieee80211_qos_information_element {
772 } __attribute__ ((packed));
774 struct ieee80211_qos_ac_parameter {
778 } __attribute__ ((packed));
780 struct ieee80211_qos_parameter_info {
781 struct ieee80211_qos_information_element info_element;
783 struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
784 } __attribute__ ((packed));
786 struct ieee80211_qos_parameters {
787 __le16 cw_min[QOS_QUEUE_NUM];
788 __le16 cw_max[QOS_QUEUE_NUM];
789 u8 aifs[QOS_QUEUE_NUM];
790 u8 flag[QOS_QUEUE_NUM];
791 __le16 tx_op_limit[QOS_QUEUE_NUM];
792 } __attribute__ ((packed));
794 struct ieee80211_qos_data {
795 struct ieee80211_qos_parameters parameters;
802 struct ieee80211_tim_parameters {
805 } __attribute__ ((packed));
807 struct ieee80211_wmm_ac_param {
813 struct ieee80211_wmm_ts_info {
817 } __attribute__ ((packed));
819 struct ieee80211_wmm_tspec_elem {
820 struct ieee80211_wmm_ts_info ts_info;
836 }__attribute__((packed));
843 EAPOL_ENCAP_ASF_ALERT
846 static const char *eap_types[] = {
847 [EAP_PACKET] = "EAP-Packet",
848 [EAPOL_START] = "EAPOL-Start",
849 [EAPOL_LOGOFF] = "EAPOL-Logoff",
850 [EAPOL_KEY] = "EAPOL-Key",
851 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
854 static inline const char *eap_get_type(int type)
856 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
865 } __attribute__ ((packed));
867 struct ieee80211_softmac_stats {
868 unsigned int rx_ass_ok;
869 unsigned int rx_ass_err;
870 unsigned int rx_probe_rq;
871 unsigned int tx_probe_rs;
872 unsigned int tx_beacons;
873 unsigned int rx_auth_rq;
874 unsigned int rx_auth_rs_ok;
875 unsigned int rx_auth_rs_err;
876 unsigned int tx_auth_rq;
877 unsigned int no_auth_rs;
878 unsigned int no_ass_rs;
879 unsigned int tx_ass_rq;
880 unsigned int rx_ass_rq;
881 unsigned int tx_probe_rq;
882 unsigned int reassoc;
883 unsigned int swtxstop;
884 unsigned int swtxawake;
885 unsigned char CurrentShowTxate;
886 unsigned char last_packet_rate;
887 unsigned int txretrycount;
890 #define BEACON_PROBE_SSID_ID_POSITION 12
892 struct ieee80211_info_element_hdr {
895 } __attribute__ ((packed));
898 * These are the data types that can make up management packets
904 u8 current_ap[ETH_ALEN];
907 u16 association_id:14, reserved:2;
908 } __attribute__ ((packed));
914 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
915 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
917 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
918 #define MAX_SP_Len (WMM_all_frame << 4)
919 #define IEEE80211_QOS_TID 0x0f
920 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
922 #define IEEE80211_DTIM_MBCAST 4
923 #define IEEE80211_DTIM_UCAST 2
924 #define IEEE80211_DTIM_VALID 1
925 #define IEEE80211_DTIM_INVALID 0
927 #define IEEE80211_PS_DISABLED 0
928 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
929 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
931 //added by David for QoS 2006/6/30
932 //#define WMM_Hang_8187
937 #define WME_AC_BK 0x00
938 #define WME_AC_BE 0x01
939 #define WME_AC_VI 0x02
940 #define WME_AC_VO 0x03
941 #define WME_ACI_MASK 0x03
942 #define WME_AIFSN_MASK 0x03
943 #define WME_AC_PRAM_LEN 16
945 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
946 //#define UP2AC(up) ((up<3) ? ((up==0)?1:0) : (up>>1))
947 #define UP2AC(up) ( \
948 ((up) < 1) ? WME_AC_BE : \
949 ((up) < 3) ? WME_AC_BK : \
950 ((up) < 4) ? WME_AC_BE : \
951 ((up) < 6) ? WME_AC_VI : \
954 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
955 #define AC2UP(_ac) ( \
956 ((_ac) == WME_AC_VO) ? 6 : \
957 ((_ac) == WME_AC_VI) ? 5 : \
958 ((_ac) == WME_AC_BK) ? 1 : \
961 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
963 /* length of two Ethernet address plus ether type */
964 #define ETHERNET_HEADER_SIZE 14
966 struct ether_header {
967 u8 ether_dhost[ETHER_ADDR_LEN];
968 u8 ether_shost[ETHER_ADDR_LEN];
970 } __attribute__((packed));
972 #ifndef ETHERTYPE_PAE
973 #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */
976 #define ETHERTYPE_IP 0x0800 /* IP protocol */
979 struct ieee80211_network {
980 /* These entries are used to identify a unique network */
983 /* Ensure null-terminated for any debug msgs */
984 u8 ssid[IW_ESSID_MAX_SIZE + 1];
987 struct ieee80211_qos_data qos_data;
995 /* CCXv4 S59, MBSSID. */
1000 /* CCX 2 S38, WLAN Device Version Number element. */
1001 bool bWithCcxVerNum;
1004 /* These are network statistics */
1005 struct ieee80211_rx_stats stats;
1007 u8 rates[MAX_RATES_LENGTH];
1009 u8 rates_ex[MAX_RATES_EX_LENGTH];
1011 unsigned long last_scanned;
1016 u16 beacon_interval;
1017 u16 listen_interval;
1020 u8 wpa_ie[MAX_WPA_IE_LEN];
1022 u8 rsn_ie[MAX_WPA_IE_LEN];
1025 struct ieee80211_tim_parameters tim;
1028 u32 last_dtim_sta_time[2];
1032 struct ieee80211_wmm_ac_param wmm_param[4];
1034 u8 Turbo_Enable;//enable turbo mode, added by thomas
1036 u8 CountryIeBuf[MAX_IE_LEN];
1040 /* Added to handle broadcom AP management frame CCK rate. */
1041 bool broadcom_cap_exist;
1042 bool realtek_cap_exit;
1043 bool marvell_cap_exist;
1044 bool ralink_cap_exist;
1045 bool atheros_cap_exist;
1046 bool cisco_cap_exist;
1047 bool unknown_cap_exist;
1048 bool berp_info_valid;
1049 bool buseprotection;
1051 struct list_head list; /* put at the end of the structure */
1054 enum ieee80211_state {
1056 /* the card is not linked at all */
1057 IEEE80211_NOLINK = 0,
1059 /* IEEE80211_ASSOCIATING* are for BSS client mode
1060 * the driver shall not perform RX filtering unless
1061 * the state is LINKED.
1062 * The driver shall just check for the state LINKED and
1063 * defaults to NOLINK for ALL the other states (including
1067 /* the association procedure will start (wq scheduling)*/
1068 IEEE80211_ASSOCIATING,
1069 IEEE80211_ASSOCIATING_RETRY,
1071 /* the association procedure is sending AUTH request*/
1072 IEEE80211_ASSOCIATING_AUTHENTICATING,
1074 /* the association procedure has successfully authentcated
1075 * and is sending association request
1077 IEEE80211_ASSOCIATING_AUTHENTICATED,
1079 /* the link is ok. the card associated to a BSS or linked
1080 * to a ibss cell or acting as an AP and creating the bss
1084 /* same as LINKED, but the driver shall apply RX filter
1085 * rules as we are in NO_LINK mode. As the card is still
1086 * logically linked, but it is doing a syncro site survey
1087 * then it will be back to LINKED state.
1089 IEEE80211_LINKED_SCANNING,
1093 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1094 #define DEFAULT_FTS 2346
1096 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1097 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1099 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1100 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1101 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1102 IEEE80211_24GHZ_MIN_CHANNEL + 1)
1104 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1105 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1106 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1107 IEEE80211_52GHZ_MIN_CHANNEL + 1)
1109 typedef struct tx_pending_t{
1111 struct ieee80211_txb *txb;
1115 COUNTRY_CODE_FCC = 0,
1116 COUNTRY_CODE_IC = 1,
1117 COUNTRY_CODE_ETSI = 2,
1118 COUNTRY_CODE_SPAIN = 3,
1119 COUNTRY_CODE_FRANCE = 4,
1120 COUNTRY_CODE_MKK = 5,
1121 COUNTRY_CODE_MKK1 = 6,
1122 COUNTRY_CODE_ISRAEL = 7,
1125 COUNTRY_CODE_GLOBAL_DOMAIN
1128 #include "ieee80211_r8192s.h"
1130 struct ieee80211_device {
1131 struct net_device *dev;
1132 struct ieee80211_security sec;
1134 /* hw security related */
1136 bool is_silent_reset;
1139 bool bSupportRemoteWakeUp;
1140 RT_PS_MODE dot11PowerSaveMode;
1142 bool be_scan_inprogress;
1144 RT_RF_POWER_STATE eRFPowerState;
1149 PRT_HIGH_THROUGHPUT pHTInfo;
1150 spinlock_t bw_spinlock;
1152 spinlock_t reorder_spinlock;
1154 * for HT operation rate set, we use this one for HT data rate to
1155 * seperate different descriptors the way fill this is the same as
1158 u8 Regdot11HTOperationalRateSet[16]; /* use RATR format */
1159 u8 dot11HTOperationalRateSet[16]; /* use RATR format */
1160 u8 RegHTSuppRateSet[16];
1161 u8 HTCurrentOperaRate;
1162 u8 HTHighestOperaRate;
1163 /* for rate operation mode to firmware */
1164 u8 bTxDisableRateFallBack;
1165 u8 bTxUseDriverAssingedRate;
1166 atomic_t atm_chnlop;
1169 /* 802.11e and WMM Traffic Stream Info (TX) */
1170 struct list_head Tx_TS_Admit_List;
1171 struct list_head Tx_TS_Pending_List;
1172 struct list_head Tx_TS_Unused_List;
1173 TX_TS_RECORD TxTsRecord[TOTAL_TS_NUM];
1174 /* 802.11e and WMM Traffic Stream Info (RX) */
1175 struct list_head Rx_TS_Admit_List;
1176 struct list_head Rx_TS_Pending_List;
1177 struct list_head Rx_TS_Unused_List;
1178 RX_TS_RECORD RxTsRecord[TOTAL_TS_NUM];
1180 RX_REORDER_ENTRY RxReorderEntry[128];
1181 struct list_head RxReorder_Unused_List;
1184 /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1187 /* Bookkeeping structures */
1188 struct net_device_stats stats;
1189 struct ieee80211_stats ieee_stats;
1190 struct ieee80211_softmac_stats softmac_stats;
1192 /* Probe / Beacon management */
1193 struct list_head network_free_list;
1194 struct list_head network_list;
1195 struct ieee80211_network *networks;
1199 int iw_mode; /* operating mode (IW_MODE_*) */
1200 struct iw_spy_data spy_data;
1203 spinlock_t wpax_suitlist_lock;
1205 int tx_headroom; /* Set to size of any additional room needed at front
1206 * of allocated Tx SKBs */
1209 /* WEP and other encryption related settings at the device level */
1210 int open_wep; /* Set to 1 to allow unencrypted frames */
1212 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1213 * WEP key changes */
1215 /* If the host performs {en,de}cryption, then set to 1 */
1217 int host_encrypt_msdu;
1219 /* host performs multicast decryption */
1220 int host_mc_decrypt;
1222 /* host should strip IV and ICV from protected frames */
1223 /* meaningful only when hardware decryption is being used */
1224 int host_strip_iv_icv;
1228 int ieee802_1x; /* is IEEE 802.1X used */
1231 bool bHalfWirelessN24GMode;
1233 int drop_unencrypted;
1234 int tkip_countermeasures;
1235 int privacy_invoked;
1239 u16 pairwise_key_type;
1241 struct list_head crypt_deinit_list;
1242 struct ieee80211_crypt_data *crypt[WEP_KEYS];
1243 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1244 struct timer_list crypt_deinit_timer;
1247 int bcrx_sta_key; /* use individual keys to override default keys even
1248 * with RX of broad/multicast frames */
1250 /* Fragmentation structures */
1251 // each streaming contain a entry
1252 struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1253 unsigned int frag_next_idx[17];
1254 u16 fts; /* Fragmentation Threshold */
1255 #define DEFAULT_RTS_THRESHOLD 2346U
1256 #define MIN_RTS_THRESHOLD 1
1257 #define MAX_RTS_THRESHOLD 2346U
1258 u16 rts; /* RTS threshold */
1260 /* Association info */
1263 /* This stores infos for the current network.
1264 * Either the network we are associated in INFRASTRUCTURE
1265 * or the network that we are creating in MASTER mode.
1266 * ad-hoc is a mixture ;-).
1267 * Note that in infrastructure mode, even when not associated,
1268 * fields bssid and essid may be valid (if wpa_set and essid_set
1269 * are true) as thy carry the value set by the user via iwconfig
1271 struct ieee80211_network current_network;
1273 enum ieee80211_state state;
1277 int mode; /* A, B, G */
1278 int modulation; /* CCK, OFDM */
1279 int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */
1280 int abg_true; /* ABG flag */
1282 /* used for forcing the ibss workqueue to terminate
1283 * without wait for the syncro scan to terminate
1285 short sync_scan_hurryup;
1290 u16 prev_seq_ctl; /* used to drop duplicate frames */
1293 * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1294 * a basic channel plan depending of the PHY type
1298 int rate; /* current rate */
1300 //FIXME: pleace callback, see if redundant with softmac_features
1303 /* this contains flags for selectively enable softmac support */
1304 u16 softmac_features;
1306 /* if the sequence control field is not filled by HW */
1309 /* association procedure transaction sequence number */
1312 /* AID for RTXed association responses */
1315 /* power save mode related*/
1321 struct tasklet_struct ps_task;
1326 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1329 short proto_started;
1331 struct semaphore wx_sem;
1332 struct semaphore scan_sem;
1334 spinlock_t mgmt_tx_lock;
1335 spinlock_t beacon_lock;
1342 u8 wpax_type_set; //{added by David, 2006.9.28}
1343 u32 wpax_type_notify; //{added by David, 2006.9.26}
1345 /* QoS related flag */
1346 char init_wmmparam_flag;
1347 /* set on initialization */
1350 /* for discarding duplicated packets in IBSS */
1351 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1353 /* for discarding duplicated packets in BSS */
1354 u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1355 u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1356 unsigned long last_packet_time[17];
1359 unsigned long last_rx_ps_time;
1361 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1362 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1363 int mgmt_queue_head;
1364 int mgmt_queue_tail;
1368 unsigned int hw_header;
1369 struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1370 struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1371 struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1372 u32 sta_edca_param[4];
1374 /* Enable/Disable Rx immediate BA capability. */
1375 bool enable_rx_imm_BA;
1376 bool bibsscoordinator;
1378 /* Dynamic Tx power for near/far range enable/disable. */
1379 bool bdynamic_txpower_enable;
1381 bool bCTSToSelfEnable;
1384 u32 fsync_time_interval;
1385 u32 fsync_rate_bitmap;
1386 u8 fsync_rssi_threshold;
1389 u8 fsync_multiple_timeinterval; /* value * FsyncTimeInterval */
1390 u32 fsync_firstdiff_ratethreshold; /* low threshold */
1391 u32 fsync_seconddiff_ratethreshold; /* decrease threshold */
1392 Fsync_State fsync_state;
1393 bool bis_any_nonbepkts;
1394 /* 20Mhz 40Mhz AutoSwitch Threshold */
1395 struct bandwidth_autoswitch bandwidth_auto_switch;
1396 /* for txpower tracking */
1399 /* for AP roaming */
1400 struct rt_link_detect LinkDetectInfo;
1402 struct rt_power_save_control PowerSaveControl;
1405 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1406 struct tx_pending_t tx_pending;
1408 /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1409 struct timer_list associate_timer;
1411 /* used if IEEE_SOFTMAC_BEACONS is set */
1412 struct timer_list beacon_timer;
1413 struct work_struct associate_complete_wq;
1414 struct work_struct associate_procedure_wq;
1415 struct delayed_work softmac_scan_wq;
1416 struct delayed_work associate_retry_wq;
1417 struct delayed_work start_ibss_wq;
1418 struct delayed_work hw_wakeup_wq;
1419 struct delayed_work hw_sleep_wq;
1420 struct delayed_work link_change_wq;
1421 struct work_struct wx_sync_scan_wq;
1422 struct workqueue_struct *wq;
1424 /* Callback functions */
1425 void (*set_security)(struct net_device *dev,
1426 struct ieee80211_security *sec);
1428 /* Used to TX data frame by using txb structs.
1429 * this is not used if in the softmac_features
1430 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1432 int (*hard_start_xmit)(struct ieee80211_txb *txb,
1433 struct net_device *dev);
1435 int (*reset_port)(struct net_device *dev);
1436 int (*is_queue_full)(struct net_device *dev, int pri);
1438 int (*handle_management)(struct net_device *dev,
1439 struct ieee80211_network *network, u16 type);
1440 int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1442 /* Softmac-generated frames (mamagement) are TXed via this
1443 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1444 * not set. As some cards may have different HW queues that
1445 * one might want to use for data and management frames
1446 * the option to have two callbacks might be useful.
1447 * This fucntion can't sleep.
1449 int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1450 struct net_device *dev);
1452 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1453 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1454 * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1455 * then also management frames are sent via this callback.
1456 * This function can't sleep.
1458 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1459 struct net_device *dev,int rate);
1461 /* stops the HW queue for DATA frames. Useful to avoid
1462 * waste time to TX data frame when we are reassociating
1463 * This function can sleep.
1465 void (*data_hard_stop)(struct net_device *dev);
1467 /* OK this is complementar to data_poll_hard_stop */
1468 void (*data_hard_resume)(struct net_device *dev);
1470 /* ask to the driver to retune the radio .
1471 * This function can sleep. the driver should ensure
1472 * the radio has been swithced before return.
1474 void (*set_chan)(struct net_device *dev,short ch);
1476 /* These are not used if the ieee stack takes care of
1477 * scanning (IEEE_SOFTMAC_SCAN feature set).
1478 * In this case only the set_chan is used.
1480 * The syncro version is similar to the start_scan but
1481 * does not return until all channels has been scanned.
1482 * this is called in user context and should sleep,
1483 * it is called in a work_queue when swithcing to ad-hoc mode
1484 * or in behalf of iwlist scan when the card is associated
1485 * and root user ask for a scan.
1486 * the fucntion stop_scan should stop both the syncro and
1487 * background scanning and can sleep.
1488 * The fucntion start_scan should initiate the background
1489 * scanning and can't sleep.
1491 void (*scan_syncro)(struct net_device *dev);
1492 void (*start_scan)(struct net_device *dev);
1493 void (*stop_scan)(struct net_device *dev);
1495 /* indicate the driver that the link state is changed
1496 * for example it may indicate the card is associated now.
1497 * Driver might be interested in this to apply RX filter
1498 * rules or simply light the LINK led
1500 void (*link_change)(struct net_device *dev);
1502 /* these two function indicates to the HW when to start
1503 * and stop to send beacons. This is used when the
1504 * IEEE_SOFTMAC_BEACONS is not set. For now the
1505 * stop_send_bacons is NOT guaranteed to be called only
1506 * after start_send_beacons.
1508 void (*start_send_beacons) (struct net_device *dev);
1509 void (*stop_send_beacons) (struct net_device *dev);
1511 /* power save mode related */
1512 void (*sta_wake_up) (struct net_device *dev);
1513 void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1514 short (*ps_is_queue_empty) (struct net_device *dev);
1516 int (*handle_beacon)(struct net_device *dev,
1517 struct ieee80211_probe_response *beacon,
1518 struct ieee80211_network *network);
1519 int (*handle_assoc_response)(struct net_device *dev,
1520 struct ieee80211_assoc_response_frame *resp,
1521 struct ieee80211_network *network);
1523 /* check whether Tx hw resouce available */
1524 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1526 void (*SetBWModeHandler)(struct net_device *dev,
1527 HT_CHANNEL_WIDTH Bandwidth,
1528 HT_EXTCHNL_OFFSET Offset);
1529 bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1530 void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1531 bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1532 bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1533 void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1534 bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1535 void (*LedControlHandler)(struct net_device *dev,
1536 LED_CTL_MODE LedAction);
1537 /* This must be the last item so that it points to the data
1538 * allocated beyond this structure by alloc_ieee80211 */
1542 #define IEEE_A (1<<0)
1543 #define IEEE_B (1<<1)
1544 #define IEEE_G (1<<2)
1545 #define IEEE_N_24G (1<<4)
1546 #define IEEE_N_5G (1<<5)
1547 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1549 /* Generate a 802.11 header */
1551 /* Uses the channel change callback directly
1552 * instead of [start/stop] scan callbacks
1554 #define IEEE_SOFTMAC_SCAN (1<<2)
1556 /* Perform authentication and association handshake */
1557 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1559 /* Generate probe requests */
1560 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1562 /* Generate respones to probe requests */
1563 #define IEEE_SOFTMAC_PROBERS (1<<5)
1565 /* The ieee802.11 stack will manages the netif queue
1566 * wake/stop for the driver, taking care of 802.11
1567 * fragmentation. See softmac.c for details. */
1568 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1570 /* Uses only the softmac_data_hard_start_xmit
1571 * even for TX management frames.
1573 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1575 /* Generate beacons. The stack will enqueue beacons
1578 #define IEEE_SOFTMAC_BEACONS (1<<6)
1580 static inline void *ieee80211_priv(struct net_device *dev)
1582 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1585 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1587 /* Single white space is for Linksys APs */
1588 if (essid_len == 1 && essid[0] == ' ')
1591 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1594 if (essid[essid_len] != '\0')
1601 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1604 * It is possible for both access points and our device to support
1605 * combinations of modes, so as long as there is one valid combination
1606 * of ap/device supported modes, then return success
1609 if ((mode & IEEE_A) &&
1610 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1611 (ieee->freq_band & IEEE80211_52GHZ_BAND))
1614 if ((mode & IEEE_G) &&
1615 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1616 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1619 if ((mode & IEEE_B) &&
1620 (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1621 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1627 extern inline int ieee80211_get_hdrlen(u16 fc)
1629 int hdrlen = IEEE80211_3ADDR_LEN;
1631 switch (WLAN_FC_GET_TYPE(fc)) {
1632 case IEEE80211_FTYPE_DATA:
1633 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1634 hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
1635 if(IEEE80211_QOS_HAS_SEQ(fc))
1636 hdrlen += 2; /* QOS ctrl*/
1638 case IEEE80211_FTYPE_CTL:
1639 switch (WLAN_FC_GET_STYPE(fc)) {
1640 case IEEE80211_STYPE_CTS:
1641 case IEEE80211_STYPE_ACK:
1642 hdrlen = IEEE80211_1ADDR_LEN;
1645 hdrlen = IEEE80211_2ADDR_LEN;
1654 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
1656 switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1657 case IEEE80211_1ADDR_LEN:
1658 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1659 case IEEE80211_2ADDR_LEN:
1660 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1661 case IEEE80211_3ADDR_LEN:
1662 return (void *)hdr+sizeof(struct ieee80211_hdr_3addr);
1663 case IEEE80211_4ADDR_LEN:
1664 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1669 static inline int ieee80211_is_ofdm_rate(u8 rate)
1671 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1672 case IEEE80211_OFDM_RATE_6MB:
1673 case IEEE80211_OFDM_RATE_9MB:
1674 case IEEE80211_OFDM_RATE_12MB:
1675 case IEEE80211_OFDM_RATE_18MB:
1676 case IEEE80211_OFDM_RATE_24MB:
1677 case IEEE80211_OFDM_RATE_36MB:
1678 case IEEE80211_OFDM_RATE_48MB:
1679 case IEEE80211_OFDM_RATE_54MB:
1685 static inline int ieee80211_is_cck_rate(u8 rate)
1687 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1688 case IEEE80211_CCK_RATE_1MB:
1689 case IEEE80211_CCK_RATE_2MB:
1690 case IEEE80211_CCK_RATE_5MB:
1691 case IEEE80211_CCK_RATE_11MB:
1699 extern void free_ieee80211(struct net_device *dev);
1700 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1702 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1704 /* ieee80211_tx.c */
1706 extern int ieee80211_encrypt_fragment(
1707 struct ieee80211_device *ieee,
1708 struct sk_buff *frag,
1711 extern int rtl8192_ieee80211_rtl_xmit(struct sk_buff *skb,
1712 struct net_device *dev);
1713 extern void ieee80211_txb_free(struct ieee80211_txb *);
1716 /* ieee80211_rx.c */
1717 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1718 struct ieee80211_rx_stats *rx_stats);
1719 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1720 struct ieee80211_hdr_4addr *header,
1721 struct ieee80211_rx_stats *stats);
1723 /* ieee80211_wx.c */
1724 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1725 struct iw_request_info *info,
1726 union iwreq_data *wrqu, char *key);
1727 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1728 struct iw_request_info *info,
1729 union iwreq_data *wrqu, char *key);
1730 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1731 struct iw_request_info *info,
1732 union iwreq_data *wrqu, char *key);
1733 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1734 struct iw_request_info *info,
1735 union iwreq_data* wrqu, char *extra);
1736 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1737 struct iw_request_info *info,
1738 struct iw_param *data, char *extra);
1739 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1740 struct iw_request_info *info,
1741 union iwreq_data *wrqu, char *extra);
1742 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1744 /* ieee80211_softmac.c */
1745 extern short ieee80211_is_54g(struct ieee80211_network net);
1746 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1747 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1748 struct ieee80211_rx_stats *rx_stats, u16 type,
1750 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1752 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
1753 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1755 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1756 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1757 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1758 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1759 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1760 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1761 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1762 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1763 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1764 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1765 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1766 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1767 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1768 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1769 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1770 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1771 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1772 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1773 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1774 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1775 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1776 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1777 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1778 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1779 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1780 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1782 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
1784 /* ieee80211_crypt_ccmp&tkip&wep.c */
1785 extern void ieee80211_tkip_null(void);
1786 extern void ieee80211_wep_null(void);
1787 extern void ieee80211_ccmp_null(void);
1789 /* ieee80211_softmac_wx.c */
1791 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1792 struct iw_request_info *info,
1793 union iwreq_data *wrqu, char *ext);
1795 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1796 struct iw_request_info *info,
1797 union iwreq_data *awrq,
1800 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1802 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1803 struct iw_request_info *info,
1804 union iwreq_data *wrqu, char *extra);
1806 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1807 struct iw_request_info *info,
1808 union iwreq_data *wrqu, char *extra);
1810 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1811 union iwreq_data *wrqu, char *b);
1813 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1814 union iwreq_data *wrqu, char *b);
1816 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1817 struct iw_request_info *a,
1818 union iwreq_data *wrqu, char *extra);
1820 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1821 union iwreq_data *wrqu, char *b);
1823 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1824 union iwreq_data *wrqu, char *b);
1826 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1827 union iwreq_data *wrqu, char *b);
1829 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1831 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1832 struct iw_request_info *info,
1833 union iwreq_data *wrqu, char *extra);
1835 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1836 struct iw_request_info *info,
1837 union iwreq_data *wrqu, char *extra);
1839 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1840 struct iw_request_info *info,
1841 union iwreq_data *wrqu, char *extra);
1843 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1844 struct iw_request_info *info,
1845 union iwreq_data *wrqu, char *extra);
1847 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
1848 struct iw_request_info *info,
1849 union iwreq_data *wrqu, char *extra);
1851 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
1852 struct iw_request_info *info,
1853 union iwreq_data *wrqu, char *extra);
1855 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
1857 extern const long ieee80211_wlan_frequencies[];
1859 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1864 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1869 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1870 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1871 const char *s = essid;
1874 if (ieee80211_is_empty_essid(essid, essid_len)) {
1875 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1879 essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1880 while (essid_len--) {
1893 /* For the function is more related to hardware setting, it's better to use the
1894 * ieee handler to refer to it.
1896 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
1897 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
1898 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
1899 struct ieee80211_info_element *info_element,
1901 struct ieee80211_network *network,
1902 struct ieee80211_rx_stats *stats);
1904 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
1905 struct ieee80211_rxb **prxbIndicateArray,
1907 #define RT_ASOC_RETRY_LIMIT 5
1908 #endif /* IEEE80211_H */