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_3addr {
617 } __attribute__ ((packed));
619 struct ieee80211_hdr_4addr {
628 } __attribute__ ((packed));
630 struct ieee80211_hdr_3addrqos {
639 } __attribute__ ((packed));
641 struct ieee80211_hdr_4addrqos {
651 } __attribute__ ((packed));
653 struct ieee80211_info_element {
657 } __attribute__ ((packed));
659 struct ieee80211_authentication {
660 struct ieee80211_hdr_3addr header;
665 struct ieee80211_info_element info_element[0];
666 } __attribute__ ((packed));
668 struct ieee80211_disassoc {
669 struct ieee80211_hdr_3addr header;
671 } __attribute__ ((packed));
673 struct ieee80211_probe_request {
674 struct ieee80211_hdr_3addr header;
675 /* SSID, supported rates */
676 struct ieee80211_info_element info_element[0];
677 } __attribute__ ((packed));
679 struct ieee80211_probe_response {
680 struct ieee80211_hdr_3addr header;
682 __le16 beacon_interval;
684 /* SSID, supported rates, FH params, DS params,
685 * CF params, IBSS params, TIM (if beacon), RSN */
686 struct ieee80211_info_element info_element[0];
687 } __attribute__ ((packed));
689 struct ieee80211_assoc_request_frame {
690 struct ieee80211_hdr_3addr header;
692 __le16 listen_interval;
693 /* SSID, supported rates, RSN */
694 struct ieee80211_info_element info_element[0];
695 } __attribute__ ((packed));
697 struct ieee80211_reassoc_request_frame {
698 struct ieee80211_hdr_3addr header;
700 __le16 listen_interval;
701 u8 current_ap[ETH_ALEN];
702 /* SSID, supported rates, RSN */
703 struct ieee80211_info_element info_element[0];
704 } __attribute__ ((packed));
706 struct ieee80211_assoc_response_frame {
707 struct ieee80211_hdr_3addr header;
711 struct ieee80211_info_element info_element[0]; /* supported rates */
712 } __attribute__ ((packed));
714 struct ieee80211_txb {
722 struct sk_buff *fragments[0];
725 #define MAX_SUBFRAME_COUNT 64
726 struct ieee80211_rxb {
728 struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
731 }__attribute__((packed));
733 /* SWEEP TABLE ENTRIES NUMBER */
734 #define MAX_SWEEP_TAB_ENTRIES 42
735 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
736 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
737 * only use 8, and then use extended rates for the remaining supported
738 * rates. Other APs, however, stick all of their supported rates on the
739 * main rates information element... */
740 #define MAX_RATES_LENGTH ((u8)12)
741 #define MAX_RATES_EX_LENGTH ((u8)16)
742 #define MAX_NETWORK_COUNT 128
744 #define MAX_CHANNEL_NUMBER 161
746 #define IEEE80211_SOFTMAC_SCAN_TIME 100 /* (HZ / 2) */
747 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
749 #define CRC_LENGTH 4U
751 #define MAX_WPA_IE_LEN 64
753 #define NETWORK_EMPTY_ESSID (1 << 0)
754 #define NETWORK_HAS_OFDM (1 << 1)
755 #define NETWORK_HAS_CCK (1 << 2)
758 #define NETWORK_HAS_QOS_PARAMETERS (1 << 3)
759 #define NETWORK_HAS_QOS_INFORMATION (1 << 4)
760 #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
761 NETWORK_HAS_QOS_INFORMATION)
763 #define NETWORK_HAS_ERP_VALUE (1 << 10)
765 #define QOS_QUEUE_NUM 4
766 #define QOS_OUI_LEN 3
767 #define QOS_OUI_TYPE 2
768 #define QOS_ELEMENT_ID 221
769 #define QOS_OUI_INFO_SUB_TYPE 0
770 #define QOS_OUI_PARAM_SUB_TYPE 1
771 #define QOS_VERSION_1 1
772 #define QOS_AIFSN_MIN_VALUE 2
774 struct ieee80211_qos_information_element {
782 } __attribute__ ((packed));
784 struct ieee80211_qos_ac_parameter {
788 } __attribute__ ((packed));
790 struct ieee80211_qos_parameter_info {
791 struct ieee80211_qos_information_element info_element;
793 struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
794 } __attribute__ ((packed));
796 struct ieee80211_qos_parameters {
797 __le16 cw_min[QOS_QUEUE_NUM];
798 __le16 cw_max[QOS_QUEUE_NUM];
799 u8 aifs[QOS_QUEUE_NUM];
800 u8 flag[QOS_QUEUE_NUM];
801 __le16 tx_op_limit[QOS_QUEUE_NUM];
802 } __attribute__ ((packed));
804 struct ieee80211_qos_data {
805 struct ieee80211_qos_parameters parameters;
812 struct ieee80211_tim_parameters {
815 } __attribute__ ((packed));
817 struct ieee80211_wmm_ac_param {
823 struct ieee80211_wmm_ts_info {
827 } __attribute__ ((packed));
829 struct ieee80211_wmm_tspec_elem {
830 struct ieee80211_wmm_ts_info ts_info;
846 }__attribute__((packed));
853 EAPOL_ENCAP_ASF_ALERT
856 static const char *eap_types[] = {
857 [EAP_PACKET] = "EAP-Packet",
858 [EAPOL_START] = "EAPOL-Start",
859 [EAPOL_LOGOFF] = "EAPOL-Logoff",
860 [EAPOL_KEY] = "EAPOL-Key",
861 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
864 static inline const char *eap_get_type(int type)
866 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
875 } __attribute__ ((packed));
877 struct ieee80211_softmac_stats {
878 unsigned int rx_ass_ok;
879 unsigned int rx_ass_err;
880 unsigned int rx_probe_rq;
881 unsigned int tx_probe_rs;
882 unsigned int tx_beacons;
883 unsigned int rx_auth_rq;
884 unsigned int rx_auth_rs_ok;
885 unsigned int rx_auth_rs_err;
886 unsigned int tx_auth_rq;
887 unsigned int no_auth_rs;
888 unsigned int no_ass_rs;
889 unsigned int tx_ass_rq;
890 unsigned int rx_ass_rq;
891 unsigned int tx_probe_rq;
892 unsigned int reassoc;
893 unsigned int swtxstop;
894 unsigned int swtxawake;
895 unsigned char CurrentShowTxate;
896 unsigned char last_packet_rate;
897 unsigned int txretrycount;
900 #define BEACON_PROBE_SSID_ID_POSITION 12
902 struct ieee80211_info_element_hdr {
905 } __attribute__ ((packed));
908 * These are the data types that can make up management packets
914 u8 current_ap[ETH_ALEN];
917 u16 association_id:14, reserved:2;
918 } __attribute__ ((packed));
924 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
925 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
927 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
928 #define MAX_SP_Len (WMM_all_frame << 4)
929 #define IEEE80211_QOS_TID 0x0f
930 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
932 #define IEEE80211_DTIM_MBCAST 4
933 #define IEEE80211_DTIM_UCAST 2
934 #define IEEE80211_DTIM_VALID 1
935 #define IEEE80211_DTIM_INVALID 0
937 #define IEEE80211_PS_DISABLED 0
938 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
939 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
941 //added by David for QoS 2006/6/30
942 //#define WMM_Hang_8187
947 #define WME_AC_BK 0x00
948 #define WME_AC_BE 0x01
949 #define WME_AC_VI 0x02
950 #define WME_AC_VO 0x03
951 #define WME_ACI_MASK 0x03
952 #define WME_AIFSN_MASK 0x03
953 #define WME_AC_PRAM_LEN 16
955 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
956 //#define UP2AC(up) ((up<3) ? ((up==0)?1:0) : (up>>1))
957 #define UP2AC(up) ( \
958 ((up) < 1) ? WME_AC_BE : \
959 ((up) < 3) ? WME_AC_BK : \
960 ((up) < 4) ? WME_AC_BE : \
961 ((up) < 6) ? WME_AC_VI : \
964 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
965 #define AC2UP(_ac) ( \
966 ((_ac) == WME_AC_VO) ? 6 : \
967 ((_ac) == WME_AC_VI) ? 5 : \
968 ((_ac) == WME_AC_BK) ? 1 : \
971 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
973 /* length of two Ethernet address plus ether type */
974 #define ETHERNET_HEADER_SIZE 14
976 struct ether_header {
977 u8 ether_dhost[ETHER_ADDR_LEN];
978 u8 ether_shost[ETHER_ADDR_LEN];
980 } __attribute__((packed));
982 #ifndef ETHERTYPE_PAE
983 #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */
986 #define ETHERTYPE_IP 0x0800 /* IP protocol */
989 struct ieee80211_network {
990 /* These entries are used to identify a unique network */
993 /* Ensure null-terminated for any debug msgs */
994 u8 ssid[IW_ESSID_MAX_SIZE + 1];
997 struct ieee80211_qos_data qos_data;
1000 bool bWithAironetIE;
1001 bool bCkipSupported;
1005 /* CCXv4 S59, MBSSID. */
1010 /* CCX 2 S38, WLAN Device Version Number element. */
1011 bool bWithCcxVerNum;
1014 /* These are network statistics */
1015 struct ieee80211_rx_stats stats;
1017 u8 rates[MAX_RATES_LENGTH];
1019 u8 rates_ex[MAX_RATES_EX_LENGTH];
1021 unsigned long last_scanned;
1026 u16 beacon_interval;
1027 u16 listen_interval;
1030 u8 wpa_ie[MAX_WPA_IE_LEN];
1032 u8 rsn_ie[MAX_WPA_IE_LEN];
1035 struct ieee80211_tim_parameters tim;
1038 u32 last_dtim_sta_time[2];
1042 struct ieee80211_wmm_ac_param wmm_param[4];
1044 u8 Turbo_Enable;//enable turbo mode, added by thomas
1046 u8 CountryIeBuf[MAX_IE_LEN];
1050 /* Added to handle broadcom AP management frame CCK rate. */
1051 bool broadcom_cap_exist;
1052 bool realtek_cap_exit;
1053 bool marvell_cap_exist;
1054 bool ralink_cap_exist;
1055 bool atheros_cap_exist;
1056 bool cisco_cap_exist;
1057 bool unknown_cap_exist;
1058 bool berp_info_valid;
1059 bool buseprotection;
1061 struct list_head list; /* put at the end of the structure */
1064 enum ieee80211_state {
1066 /* the card is not linked at all */
1067 IEEE80211_NOLINK = 0,
1069 /* IEEE80211_ASSOCIATING* are for BSS client mode
1070 * the driver shall not perform RX filtering unless
1071 * the state is LINKED.
1072 * The driver shall just check for the state LINKED and
1073 * defaults to NOLINK for ALL the other states (including
1077 /* the association procedure will start (wq scheduling)*/
1078 IEEE80211_ASSOCIATING,
1079 IEEE80211_ASSOCIATING_RETRY,
1081 /* the association procedure is sending AUTH request*/
1082 IEEE80211_ASSOCIATING_AUTHENTICATING,
1084 /* the association procedure has successfully authentcated
1085 * and is sending association request
1087 IEEE80211_ASSOCIATING_AUTHENTICATED,
1089 /* the link is ok. the card associated to a BSS or linked
1090 * to a ibss cell or acting as an AP and creating the bss
1094 /* same as LINKED, but the driver shall apply RX filter
1095 * rules as we are in NO_LINK mode. As the card is still
1096 * logically linked, but it is doing a syncro site survey
1097 * then it will be back to LINKED state.
1099 IEEE80211_LINKED_SCANNING,
1103 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1104 #define DEFAULT_FTS 2346
1106 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1107 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1109 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1110 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1111 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1112 IEEE80211_24GHZ_MIN_CHANNEL + 1)
1114 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1115 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1116 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1117 IEEE80211_52GHZ_MIN_CHANNEL + 1)
1119 typedef struct tx_pending_t{
1121 struct ieee80211_txb *txb;
1125 COUNTRY_CODE_FCC = 0,
1126 COUNTRY_CODE_IC = 1,
1127 COUNTRY_CODE_ETSI = 2,
1128 COUNTRY_CODE_SPAIN = 3,
1129 COUNTRY_CODE_FRANCE = 4,
1130 COUNTRY_CODE_MKK = 5,
1131 COUNTRY_CODE_MKK1 = 6,
1132 COUNTRY_CODE_ISRAEL = 7,
1135 COUNTRY_CODE_GLOBAL_DOMAIN
1138 #include "ieee80211_r8192s.h"
1140 struct ieee80211_device {
1141 struct net_device *dev;
1142 struct ieee80211_security sec;
1144 /* hw security related */
1146 bool is_silent_reset;
1149 bool bSupportRemoteWakeUp;
1150 RT_PS_MODE dot11PowerSaveMode;
1152 bool be_scan_inprogress;
1154 RT_RF_POWER_STATE eRFPowerState;
1159 PRT_HIGH_THROUGHPUT pHTInfo;
1160 spinlock_t bw_spinlock;
1162 spinlock_t reorder_spinlock;
1164 * for HT operation rate set, we use this one for HT data rate to
1165 * seperate different descriptors the way fill this is the same as
1168 u8 Regdot11HTOperationalRateSet[16]; /* use RATR format */
1169 u8 dot11HTOperationalRateSet[16]; /* use RATR format */
1170 u8 RegHTSuppRateSet[16];
1171 u8 HTCurrentOperaRate;
1172 u8 HTHighestOperaRate;
1173 /* for rate operation mode to firmware */
1174 u8 bTxDisableRateFallBack;
1175 u8 bTxUseDriverAssingedRate;
1176 atomic_t atm_chnlop;
1179 /* 802.11e and WMM Traffic Stream Info (TX) */
1180 struct list_head Tx_TS_Admit_List;
1181 struct list_head Tx_TS_Pending_List;
1182 struct list_head Tx_TS_Unused_List;
1183 TX_TS_RECORD TxTsRecord[TOTAL_TS_NUM];
1184 /* 802.11e and WMM Traffic Stream Info (RX) */
1185 struct list_head Rx_TS_Admit_List;
1186 struct list_head Rx_TS_Pending_List;
1187 struct list_head Rx_TS_Unused_List;
1188 RX_TS_RECORD RxTsRecord[TOTAL_TS_NUM];
1190 RX_REORDER_ENTRY RxReorderEntry[128];
1191 struct list_head RxReorder_Unused_List;
1194 /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1197 /* Bookkeeping structures */
1198 struct net_device_stats stats;
1199 struct ieee80211_stats ieee_stats;
1200 struct ieee80211_softmac_stats softmac_stats;
1202 /* Probe / Beacon management */
1203 struct list_head network_free_list;
1204 struct list_head network_list;
1205 struct ieee80211_network *networks;
1209 int iw_mode; /* operating mode (IW_MODE_*) */
1210 struct iw_spy_data spy_data;
1213 spinlock_t wpax_suitlist_lock;
1215 int tx_headroom; /* Set to size of any additional room needed at front
1216 * of allocated Tx SKBs */
1219 /* WEP and other encryption related settings at the device level */
1220 int open_wep; /* Set to 1 to allow unencrypted frames */
1222 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1223 * WEP key changes */
1225 /* If the host performs {en,de}cryption, then set to 1 */
1227 int host_encrypt_msdu;
1229 /* host performs multicast decryption */
1230 int host_mc_decrypt;
1232 /* host should strip IV and ICV from protected frames */
1233 /* meaningful only when hardware decryption is being used */
1234 int host_strip_iv_icv;
1238 int ieee802_1x; /* is IEEE 802.1X used */
1241 bool bHalfWirelessN24GMode;
1243 int drop_unencrypted;
1244 int tkip_countermeasures;
1245 int privacy_invoked;
1249 u16 pairwise_key_type;
1251 struct list_head crypt_deinit_list;
1252 struct ieee80211_crypt_data *crypt[WEP_KEYS];
1253 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1254 struct timer_list crypt_deinit_timer;
1257 int bcrx_sta_key; /* use individual keys to override default keys even
1258 * with RX of broad/multicast frames */
1260 /* Fragmentation structures */
1261 // each streaming contain a entry
1262 struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1263 unsigned int frag_next_idx[17];
1264 u16 fts; /* Fragmentation Threshold */
1265 #define DEFAULT_RTS_THRESHOLD 2346U
1266 #define MIN_RTS_THRESHOLD 1
1267 #define MAX_RTS_THRESHOLD 2346U
1268 u16 rts; /* RTS threshold */
1270 /* Association info */
1273 /* This stores infos for the current network.
1274 * Either the network we are associated in INFRASTRUCTURE
1275 * or the network that we are creating in MASTER mode.
1276 * ad-hoc is a mixture ;-).
1277 * Note that in infrastructure mode, even when not associated,
1278 * fields bssid and essid may be valid (if wpa_set and essid_set
1279 * are true) as thy carry the value set by the user via iwconfig
1281 struct ieee80211_network current_network;
1283 enum ieee80211_state state;
1287 int mode; /* A, B, G */
1288 int modulation; /* CCK, OFDM */
1289 int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */
1290 int abg_true; /* ABG flag */
1292 /* used for forcing the ibss workqueue to terminate
1293 * without wait for the syncro scan to terminate
1295 short sync_scan_hurryup;
1300 u16 prev_seq_ctl; /* used to drop duplicate frames */
1303 * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1304 * a basic channel plan depending of the PHY type
1308 int rate; /* current rate */
1310 //FIXME: pleace callback, see if redundant with softmac_features
1313 /* this contains flags for selectively enable softmac support */
1314 u16 softmac_features;
1316 /* if the sequence control field is not filled by HW */
1319 /* association procedure transaction sequence number */
1322 /* AID for RTXed association responses */
1325 /* power save mode related*/
1331 struct tasklet_struct ps_task;
1336 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1339 short proto_started;
1341 struct semaphore wx_sem;
1342 struct semaphore scan_sem;
1344 spinlock_t mgmt_tx_lock;
1345 spinlock_t beacon_lock;
1352 u8 wpax_type_set; //{added by David, 2006.9.28}
1353 u32 wpax_type_notify; //{added by David, 2006.9.26}
1355 /* QoS related flag */
1356 char init_wmmparam_flag;
1357 /* set on initialization */
1360 /* for discarding duplicated packets in IBSS */
1361 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1363 /* for discarding duplicated packets in BSS */
1364 u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1365 u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1366 unsigned long last_packet_time[17];
1369 unsigned long last_rx_ps_time;
1371 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1372 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1373 int mgmt_queue_head;
1374 int mgmt_queue_tail;
1378 unsigned int hw_header;
1379 struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1380 struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1381 struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1382 u32 sta_edca_param[4];
1384 /* Enable/Disable Rx immediate BA capability. */
1385 bool enable_rx_imm_BA;
1386 bool bibsscoordinator;
1388 /* Dynamic Tx power for near/far range enable/disable. */
1389 bool bdynamic_txpower_enable;
1391 bool bCTSToSelfEnable;
1394 u32 fsync_time_interval;
1395 u32 fsync_rate_bitmap;
1396 u8 fsync_rssi_threshold;
1399 u8 fsync_multiple_timeinterval; /* value * FsyncTimeInterval */
1400 u32 fsync_firstdiff_ratethreshold; /* low threshold */
1401 u32 fsync_seconddiff_ratethreshold; /* decrease threshold */
1402 Fsync_State fsync_state;
1403 bool bis_any_nonbepkts;
1404 /* 20Mhz 40Mhz AutoSwitch Threshold */
1405 struct bandwidth_autoswitch bandwidth_auto_switch;
1406 /* for txpower tracking */
1409 /* for AP roaming */
1410 struct rt_link_detect LinkDetectInfo;
1412 struct rt_power_save_control PowerSaveControl;
1415 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1416 struct tx_pending_t tx_pending;
1418 /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1419 struct timer_list associate_timer;
1421 /* used if IEEE_SOFTMAC_BEACONS is set */
1422 struct timer_list beacon_timer;
1423 struct work_struct associate_complete_wq;
1424 struct work_struct associate_procedure_wq;
1425 struct delayed_work softmac_scan_wq;
1426 struct delayed_work associate_retry_wq;
1427 struct delayed_work start_ibss_wq;
1428 struct delayed_work hw_wakeup_wq;
1429 struct delayed_work hw_sleep_wq;
1430 struct delayed_work link_change_wq;
1431 struct work_struct wx_sync_scan_wq;
1432 struct workqueue_struct *wq;
1434 /* Callback functions */
1435 void (*set_security)(struct net_device *dev,
1436 struct ieee80211_security *sec);
1438 /* Used to TX data frame by using txb structs.
1439 * this is not used if in the softmac_features
1440 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1442 int (*hard_start_xmit)(struct ieee80211_txb *txb,
1443 struct net_device *dev);
1445 int (*reset_port)(struct net_device *dev);
1446 int (*is_queue_full)(struct net_device *dev, int pri);
1448 int (*handle_management)(struct net_device *dev,
1449 struct ieee80211_network *network, u16 type);
1450 int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1452 /* Softmac-generated frames (mamagement) are TXed via this
1453 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1454 * not set. As some cards may have different HW queues that
1455 * one might want to use for data and management frames
1456 * the option to have two callbacks might be useful.
1457 * This fucntion can't sleep.
1459 int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1460 struct net_device *dev);
1462 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1463 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1464 * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1465 * then also management frames are sent via this callback.
1466 * This function can't sleep.
1468 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1469 struct net_device *dev,int rate);
1471 /* stops the HW queue for DATA frames. Useful to avoid
1472 * waste time to TX data frame when we are reassociating
1473 * This function can sleep.
1475 void (*data_hard_stop)(struct net_device *dev);
1477 /* OK this is complementar to data_poll_hard_stop */
1478 void (*data_hard_resume)(struct net_device *dev);
1480 /* ask to the driver to retune the radio .
1481 * This function can sleep. the driver should ensure
1482 * the radio has been swithced before return.
1484 void (*set_chan)(struct net_device *dev,short ch);
1486 /* These are not used if the ieee stack takes care of
1487 * scanning (IEEE_SOFTMAC_SCAN feature set).
1488 * In this case only the set_chan is used.
1490 * The syncro version is similar to the start_scan but
1491 * does not return until all channels has been scanned.
1492 * this is called in user context and should sleep,
1493 * it is called in a work_queue when swithcing to ad-hoc mode
1494 * or in behalf of iwlist scan when the card is associated
1495 * and root user ask for a scan.
1496 * the fucntion stop_scan should stop both the syncro and
1497 * background scanning and can sleep.
1498 * The fucntion start_scan should initiate the background
1499 * scanning and can't sleep.
1501 void (*scan_syncro)(struct net_device *dev);
1502 void (*start_scan)(struct net_device *dev);
1503 void (*stop_scan)(struct net_device *dev);
1505 /* indicate the driver that the link state is changed
1506 * for example it may indicate the card is associated now.
1507 * Driver might be interested in this to apply RX filter
1508 * rules or simply light the LINK led
1510 void (*link_change)(struct net_device *dev);
1512 /* these two function indicates to the HW when to start
1513 * and stop to send beacons. This is used when the
1514 * IEEE_SOFTMAC_BEACONS is not set. For now the
1515 * stop_send_bacons is NOT guaranteed to be called only
1516 * after start_send_beacons.
1518 void (*start_send_beacons) (struct net_device *dev);
1519 void (*stop_send_beacons) (struct net_device *dev);
1521 /* power save mode related */
1522 void (*sta_wake_up) (struct net_device *dev);
1523 void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1524 short (*ps_is_queue_empty) (struct net_device *dev);
1526 int (*handle_beacon)(struct net_device *dev,
1527 struct ieee80211_probe_response *beacon,
1528 struct ieee80211_network *network);
1529 int (*handle_assoc_response)(struct net_device *dev,
1530 struct ieee80211_assoc_response_frame *resp,
1531 struct ieee80211_network *network);
1533 /* check whether Tx hw resouce available */
1534 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1536 void (*SetBWModeHandler)(struct net_device *dev,
1537 HT_CHANNEL_WIDTH Bandwidth,
1538 HT_EXTCHNL_OFFSET Offset);
1539 bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1540 void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1541 bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1542 bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1543 void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1544 bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1545 void (*LedControlHandler)(struct net_device *dev,
1546 LED_CTL_MODE LedAction);
1547 /* This must be the last item so that it points to the data
1548 * allocated beyond this structure by alloc_ieee80211 */
1552 #define IEEE_A (1<<0)
1553 #define IEEE_B (1<<1)
1554 #define IEEE_G (1<<2)
1555 #define IEEE_N_24G (1<<4)
1556 #define IEEE_N_5G (1<<5)
1557 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1559 /* Generate a 802.11 header */
1561 /* Uses the channel change callback directly
1562 * instead of [start/stop] scan callbacks
1564 #define IEEE_SOFTMAC_SCAN (1<<2)
1566 /* Perform authentication and association handshake */
1567 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1569 /* Generate probe requests */
1570 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1572 /* Generate respones to probe requests */
1573 #define IEEE_SOFTMAC_PROBERS (1<<5)
1575 /* The ieee802.11 stack will manages the netif queue
1576 * wake/stop for the driver, taking care of 802.11
1577 * fragmentation. See softmac.c for details. */
1578 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1580 /* Uses only the softmac_data_hard_start_xmit
1581 * even for TX management frames.
1583 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1585 /* Generate beacons. The stack will enqueue beacons
1588 #define IEEE_SOFTMAC_BEACONS (1<<6)
1590 static inline void *ieee80211_priv(struct net_device *dev)
1592 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1595 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1597 /* Single white space is for Linksys APs */
1598 if (essid_len == 1 && essid[0] == ' ')
1601 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1604 if (essid[essid_len] != '\0')
1611 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1614 * It is possible for both access points and our device to support
1615 * combinations of modes, so as long as there is one valid combination
1616 * of ap/device supported modes, then return success
1619 if ((mode & IEEE_A) &&
1620 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1621 (ieee->freq_band & IEEE80211_52GHZ_BAND))
1624 if ((mode & IEEE_G) &&
1625 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1626 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1629 if ((mode & IEEE_B) &&
1630 (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1631 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1637 extern inline int ieee80211_get_hdrlen(u16 fc)
1639 int hdrlen = IEEE80211_3ADDR_LEN;
1641 switch (WLAN_FC_GET_TYPE(fc)) {
1642 case IEEE80211_FTYPE_DATA:
1643 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1644 hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
1645 if(IEEE80211_QOS_HAS_SEQ(fc))
1646 hdrlen += 2; /* QOS ctrl*/
1648 case IEEE80211_FTYPE_CTL:
1649 switch (WLAN_FC_GET_STYPE(fc)) {
1650 case IEEE80211_STYPE_CTS:
1651 case IEEE80211_STYPE_ACK:
1652 hdrlen = IEEE80211_1ADDR_LEN;
1655 hdrlen = IEEE80211_2ADDR_LEN;
1664 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
1666 switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1667 case IEEE80211_1ADDR_LEN:
1668 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1669 case IEEE80211_2ADDR_LEN:
1670 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1671 case IEEE80211_3ADDR_LEN:
1672 return ((struct ieee80211_hdr_3addr *)hdr)->payload;
1673 case IEEE80211_4ADDR_LEN:
1674 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1679 static inline int ieee80211_is_ofdm_rate(u8 rate)
1681 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1682 case IEEE80211_OFDM_RATE_6MB:
1683 case IEEE80211_OFDM_RATE_9MB:
1684 case IEEE80211_OFDM_RATE_12MB:
1685 case IEEE80211_OFDM_RATE_18MB:
1686 case IEEE80211_OFDM_RATE_24MB:
1687 case IEEE80211_OFDM_RATE_36MB:
1688 case IEEE80211_OFDM_RATE_48MB:
1689 case IEEE80211_OFDM_RATE_54MB:
1695 static inline int ieee80211_is_cck_rate(u8 rate)
1697 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1698 case IEEE80211_CCK_RATE_1MB:
1699 case IEEE80211_CCK_RATE_2MB:
1700 case IEEE80211_CCK_RATE_5MB:
1701 case IEEE80211_CCK_RATE_11MB:
1709 extern void free_ieee80211(struct net_device *dev);
1710 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1712 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1714 /* ieee80211_tx.c */
1716 extern int ieee80211_encrypt_fragment(
1717 struct ieee80211_device *ieee,
1718 struct sk_buff *frag,
1721 extern int rtl8192_ieee80211_rtl_xmit(struct sk_buff *skb,
1722 struct net_device *dev);
1723 extern void ieee80211_txb_free(struct ieee80211_txb *);
1726 /* ieee80211_rx.c */
1727 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1728 struct ieee80211_rx_stats *rx_stats);
1729 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1730 struct ieee80211_hdr_4addr *header,
1731 struct ieee80211_rx_stats *stats);
1733 /* ieee80211_wx.c */
1734 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1735 struct iw_request_info *info,
1736 union iwreq_data *wrqu, char *key);
1737 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1738 struct iw_request_info *info,
1739 union iwreq_data *wrqu, char *key);
1740 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1741 struct iw_request_info *info,
1742 union iwreq_data *wrqu, char *key);
1743 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1744 struct iw_request_info *info,
1745 union iwreq_data* wrqu, char *extra);
1746 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1747 struct iw_request_info *info,
1748 struct iw_param *data, char *extra);
1749 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1750 struct iw_request_info *info,
1751 union iwreq_data *wrqu, char *extra);
1752 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1754 /* ieee80211_softmac.c */
1755 extern short ieee80211_is_54g(struct ieee80211_network net);
1756 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1757 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1758 struct ieee80211_rx_stats *rx_stats, u16 type,
1760 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1762 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
1763 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1765 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1766 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1767 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1768 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1769 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1770 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1771 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1772 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1773 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1774 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1775 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1776 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1777 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1778 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1779 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1780 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1781 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1782 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1783 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1784 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1785 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1786 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1787 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1788 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1789 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1790 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1792 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
1794 /* ieee80211_crypt_ccmp&tkip&wep.c */
1795 extern void ieee80211_tkip_null(void);
1796 extern void ieee80211_wep_null(void);
1797 extern void ieee80211_ccmp_null(void);
1799 /* ieee80211_softmac_wx.c */
1801 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1802 struct iw_request_info *info,
1803 union iwreq_data *wrqu, char *ext);
1805 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1806 struct iw_request_info *info,
1807 union iwreq_data *awrq,
1810 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1812 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1813 struct iw_request_info *info,
1814 union iwreq_data *wrqu, char *extra);
1816 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1817 struct iw_request_info *info,
1818 union iwreq_data *wrqu, char *extra);
1820 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1821 union iwreq_data *wrqu, char *b);
1823 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1824 union iwreq_data *wrqu, char *b);
1826 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1827 struct iw_request_info *a,
1828 union iwreq_data *wrqu, char *extra);
1830 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1831 union iwreq_data *wrqu, char *b);
1833 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1834 union iwreq_data *wrqu, char *b);
1836 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1837 union iwreq_data *wrqu, char *b);
1839 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1841 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1842 struct iw_request_info *info,
1843 union iwreq_data *wrqu, char *extra);
1845 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1846 struct iw_request_info *info,
1847 union iwreq_data *wrqu, char *extra);
1849 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1850 struct iw_request_info *info,
1851 union iwreq_data *wrqu, char *extra);
1853 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1854 struct iw_request_info *info,
1855 union iwreq_data *wrqu, char *extra);
1857 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
1858 struct iw_request_info *info,
1859 union iwreq_data *wrqu, char *extra);
1861 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
1862 struct iw_request_info *info,
1863 union iwreq_data *wrqu, char *extra);
1865 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
1867 extern const long ieee80211_wlan_frequencies[];
1869 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1874 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1879 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1880 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1881 const char *s = essid;
1884 if (ieee80211_is_empty_essid(essid, essid_len)) {
1885 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1889 essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1890 while (essid_len--) {
1903 /* For the function is more related to hardware setting, it's better to use the
1904 * ieee handler to refer to it.
1906 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
1907 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
1908 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
1909 struct ieee80211_info_element *info_element,
1911 struct ieee80211_network *network,
1912 struct ieee80211_rx_stats *stats);
1914 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
1915 struct ieee80211_rxb **prxbIndicateArray,
1917 #define RT_ASOC_RETRY_LIMIT 5
1918 #endif /* IEEE80211_H */