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>
34 #include <linux/delay.h>
35 #include <linux/wireless.h>
36 #include <linux/ieee80211.h>
38 #include "rtl819x_HT.h"
39 #include "rtl819x_BA.h"
40 #include "rtl819x_TS.h"
42 #define KEY_TYPE_NA 0x0
43 #define KEY_TYPE_WEP40 0x1
44 #define KEY_TYPE_TKIP 0x2
45 #define KEY_TYPE_CCMP 0x4
46 #define KEY_TYPE_WEP104 0x5
48 #define aSifsTime (((priv->ieee80211->current_network.mode == IEEE_A) || \
49 (priv->ieee80211->current_network.mode == IEEE_N_24G) || \
50 (priv->ieee80211->current_network.mode == IEEE_N_5G)) \
53 #define MGMT_QUEUE_NUM 5
55 #define IEEE_CMD_SET_WPA_PARAM 1
56 #define IEEE_CMD_SET_WPA_IE 2
57 #define IEEE_CMD_SET_ENCRYPTION 3
58 #define IEEE_CMD_MLME 4
60 #define IEEE_PARAM_WPA_ENABLED 1
61 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2
62 #define IEEE_PARAM_DROP_UNENCRYPTED 3
63 #define IEEE_PARAM_PRIVACY_INVOKED 4
64 #define IEEE_PARAM_AUTH_ALGS 5
65 #define IEEE_PARAM_IEEE_802_1X 6
66 //It should consistent with the driver_XXX.c
68 #define IEEE_PARAM_WPAX_SELECT 7
69 //Added for notify the encryption type selection
71 #define IEEE_PROTO_WPA 1
72 #define IEEE_PROTO_RSN 2
73 //Added for notify the encryption type selection
75 #define IEEE_WPAX_USEGROUP 0
76 #define IEEE_WPAX_WEP40 1
77 #define IEEE_WPAX_TKIP 2
78 #define IEEE_WPAX_WRAP 3
79 #define IEEE_WPAX_CCMP 4
80 #define IEEE_WPAX_WEP104 5
82 #define IEEE_KEY_MGMT_IEEE8021X 1
83 #define IEEE_KEY_MGMT_PSK 2
85 #define IEEE_MLME_STA_DEAUTH 1
86 #define IEEE_MLME_STA_DISASSOC 2
89 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
90 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
91 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
92 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
93 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
94 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
97 #define IEEE_CRYPT_ALG_NAME_LEN 16
99 #define MAX_IE_LEN 0xff
101 typedef struct ieee_param {
103 u8 sta_addr[ETH_ALEN];
119 u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
123 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
130 #define MSECS(t) msecs_to_jiffies(t)
131 #define msleep_interruptible_rsl msleep_interruptible
133 #define IEEE80211_DATA_LEN 2304
134 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
137 The figure in section 7.1.2 suggests a body size of up to 2312
138 bytes is allowed, which is a bit confusing, I suspect this
139 represents the 2304 bytes of real data, plus a possible 8 bytes of
140 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
141 #define IEEE80211_1ADDR_LEN 10
142 #define IEEE80211_2ADDR_LEN 16
143 #define IEEE80211_3ADDR_LEN 24
144 #define IEEE80211_4ADDR_LEN 30
145 #define IEEE80211_FCS_LEN 4
146 #define IEEE80211_HLEN IEEE80211_4ADDR_LEN
147 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
148 #define IEEE80211_MGMT_HDR_LEN 24
149 #define IEEE80211_DATA_HDR3_LEN 24
150 #define IEEE80211_DATA_HDR4_LEN 30
152 #define MIN_FRAG_THRESHOLD 256U
153 #define MAX_FRAG_THRESHOLD 2346U
156 /* Frame control field constants */
157 #define IEEE80211_FCTL_FRAMETYPE 0x00fc
158 #define IEEE80211_FCTL_DSTODS 0x0300 //added by david
159 #define IEEE80211_FCTL_WEP 0x4000
162 #define IEEE80211_STYPE_MANAGE_ACT 0x00D0
165 #define IEEE80211_STYPE_BLOCKACK 0x0094
168 #define IEEE80211_QCTL_TID 0x000F
171 #define CONFIG_IEEE80211_DEBUG
172 #ifdef CONFIG_IEEE80211_DEBUG
173 extern u32 ieee80211_debug_level;
174 #define IEEE80211_DEBUG(level, fmt, args...) \
176 if (ieee80211_debug_level & (level)) \
177 printk(KERN_DEBUG "ieee80211: " fmt, ## args); \
179 #define IEEE80211_DEBUG_DATA(level, data, datalen) \
181 if ((ieee80211_debug_level & (level)) == (level)) { \
182 u8 *pdata = (u8 *)data; \
184 printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \
185 for (i = 0; i < (int)(datalen); i++) { \
186 printk("%2x ", pdata[i]); \
187 if ((i + 1) % 16 == 0) \
194 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
195 #define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
196 #endif /* CONFIG_IEEE80211_DEBUG */
199 * To use the debug system;
201 * If you are defining a new debug classification, simply add it to the #define
202 * list here in the form of:
204 * #define IEEE80211_DL_xxxx VALUE
206 * shifting value to the left one bit from the previous entry. xxxx should be
207 * the name of the classification (for example, WEP)
209 * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
210 * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
211 * to send output to that classification.
213 * To add your debug level to the list of levels seen when you perform
215 * % cat /proc/net/ipw/debug_level
217 * you simply need to add your entry to the ipw_debug_levels array.
219 * If you do not see debug_level in /proc/net/ipw then you do not have
220 * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
224 #define IEEE80211_DL_INFO (1<<0)
225 #define IEEE80211_DL_WX (1<<1)
226 #define IEEE80211_DL_SCAN (1<<2)
227 #define IEEE80211_DL_STATE (1<<3)
228 #define IEEE80211_DL_MGMT (1<<4)
229 #define IEEE80211_DL_FRAG (1<<5)
230 #define IEEE80211_DL_EAP (1<<6)
231 #define IEEE80211_DL_DROP (1<<7)
233 #define IEEE80211_DL_TX (1<<8)
234 #define IEEE80211_DL_RX (1<<9)
236 #define IEEE80211_DL_HT (1 << 10)
237 #define IEEE80211_DL_BA (1 << 11)
238 #define IEEE80211_DL_TS (1 << 12)
239 #define IEEE80211_DL_QOS (1 << 13)
240 #define IEEE80211_DL_REORDER (1 << 14)
241 #define IEEE80211_DL_IOT (1 << 15)
242 #define IEEE80211_DL_IPS (1 << 16)
243 #define IEEE80211_DL_TRACE (1 << 29)
244 #define IEEE80211_DL_DATA (1 << 30)
245 #define IEEE80211_DL_ERR (1 << 31)
247 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
248 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
249 #define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
251 #define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
252 #define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
253 #define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
254 #define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
255 #define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
256 #define IEEE80211_DEBUG_EAP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
257 #define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
258 #define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
259 #define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
260 #define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
262 #include <linux/netdevice.h>
263 #include <linux/if_arp.h> /* ARPHRD_ETHER */
266 #define WIRELESS_SPY // enable iwspy support
268 #include <net/iw_handler.h> // new driver API
271 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
272 #endif /* ETH_P_PAE */
274 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
276 #ifndef ETH_P_80211_RAW
277 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
280 /* IEEE 802.11 defines */
282 #define P80211_OUI_LEN 3
284 struct ieee80211_snap_hdr {
286 u8 dsap; /* always 0xAA */
287 u8 ssap; /* always 0xAA */
288 u8 ctrl; /* always 0x03 */
289 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
291 } __attribute__ ((packed));
293 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
295 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
296 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
297 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
299 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
300 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
301 #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
303 #define RTL_WLAN_AUTH_LEAP 2
305 #define WLAN_CAPABILITY_BSS (1<<0)
306 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
308 #define IEEE80211_STATMASK_SIGNAL (1<<0)
309 #define IEEE80211_STATMASK_RSSI (1<<1)
310 #define IEEE80211_STATMASK_NOISE (1<<2)
311 #define IEEE80211_STATMASK_RATE (1<<3)
312 #define IEEE80211_STATMASK_WEMASK 0x7
314 #define IEEE80211_CCK_MODULATION (1<<0)
315 #define IEEE80211_OFDM_MODULATION (1<<1)
317 #define IEEE80211_24GHZ_BAND (1<<0)
318 #define IEEE80211_52GHZ_BAND (1<<1)
320 #define IEEE80211_CCK_RATE_LEN 4
321 #define IEEE80211_CCK_RATE_1MB 0x02
322 #define IEEE80211_CCK_RATE_2MB 0x04
323 #define IEEE80211_CCK_RATE_5MB 0x0B
324 #define IEEE80211_CCK_RATE_11MB 0x16
325 #define IEEE80211_OFDM_RATE_LEN 8
326 #define IEEE80211_OFDM_RATE_6MB 0x0C
327 #define IEEE80211_OFDM_RATE_9MB 0x12
328 #define IEEE80211_OFDM_RATE_12MB 0x18
329 #define IEEE80211_OFDM_RATE_18MB 0x24
330 #define IEEE80211_OFDM_RATE_24MB 0x30
331 #define IEEE80211_OFDM_RATE_36MB 0x48
332 #define IEEE80211_OFDM_RATE_48MB 0x60
333 #define IEEE80211_OFDM_RATE_54MB 0x6C
334 #define IEEE80211_BASIC_RATE_MASK 0x80
336 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
337 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
338 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
339 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
340 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
341 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
342 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
343 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
344 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
345 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
346 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
347 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
349 #define IEEE80211_CCK_RATES_MASK 0x0000000F
350 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
351 IEEE80211_CCK_RATE_2MB_MASK)
352 #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
353 IEEE80211_CCK_RATE_5MB_MASK | \
354 IEEE80211_CCK_RATE_11MB_MASK)
356 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
357 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
358 IEEE80211_OFDM_RATE_12MB_MASK | \
359 IEEE80211_OFDM_RATE_24MB_MASK)
360 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
361 IEEE80211_OFDM_RATE_9MB_MASK | \
362 IEEE80211_OFDM_RATE_18MB_MASK | \
363 IEEE80211_OFDM_RATE_36MB_MASK | \
364 IEEE80211_OFDM_RATE_48MB_MASK | \
365 IEEE80211_OFDM_RATE_54MB_MASK)
366 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
367 IEEE80211_CCK_DEFAULT_RATES_MASK)
369 #define IEEE80211_NUM_OFDM_RATES 8
370 #define IEEE80211_NUM_CCK_RATES 4
371 #define IEEE80211_OFDM_SHIFT_MASK_A 4
374 /* this is stolen and modified from the madwifi driver*/
375 #define IEEE80211_FC0_TYPE_MASK 0x0c
376 #define IEEE80211_FC0_TYPE_DATA 0x08
377 #define IEEE80211_FC0_SUBTYPE_MASK 0xB0
378 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
380 #define IEEE80211_QOS_HAS_SEQ(fc) \
381 (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
382 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
384 /* this is stolen from ipw2200 driver */
385 #define IEEE_IBSS_MAC_HASH_SIZE 31
386 struct ieee_ibss_seq {
390 unsigned long packet_time[17];
391 struct list_head list;
394 /* NOTE: This data is for statistical purposes; not all hardware provides this
395 * information for frames received. Not setting these will not cause
396 * any adverse affects. */
397 struct ieee80211_rx_stats {
402 u16 rate; /* in 100 kbps */
413 u8 SignalQuality; /* in 0-100 index */
414 /* real power in dBm for this packet, no beautification & aggregation */
416 s8 RxPower; /* in dBm Translate from PWdB */
417 u8 SignalStrength; /* in 0-100 index */
421 u16 bShortPreamble:1;
422 u16 Antenna:1; /* RTL8185 */
423 u16 Decrypted:1; /* RTL8185, RTL8187 */
424 u16 Wakeup:1; /* RTL8185 */
425 u16 Reserved0:1; /* RTL8185 */
433 /* < 11n or 8190 specific code */
439 bool RxIs40MHzPacket;
441 u8 RxMIMOSignalStrength[4]; /* in 0~100 index */
442 s8 RxMIMOSignalQuality[2];
443 bool bPacketMatchBSSID;
448 /* total packet length: must equal to sum of all FragLength */
450 /* FragLength should equal to PacketLength in non-fragment case */
452 u16 fragoffset; /* data offset for this fragment */
454 bool bisrxaggrsubframe;
455 bool bPacketBeacon; /* for rssi */
456 bool bToSelfBA; /* for rssi */
457 char cck_adc_pwdb[4]; /* for rx path selection */
459 u8 nTotalAggPkt; /* number of aggregated packets */
462 /* IEEE 802.11 requires that STA supports concurrent reception of at least
463 * three fragmented frames. This define can be increased to support more
464 * concurrent frames, but it should be noted that each entry can consume about
465 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
466 #define IEEE80211_FRAG_CACHE_LEN 4
468 struct ieee80211_frag_entry {
469 unsigned long first_frag_time;
471 unsigned int last_frag;
473 u8 src_addr[ETH_ALEN];
474 u8 dst_addr[ETH_ALEN];
477 struct ieee80211_stats {
478 unsigned int tx_unicast_frames;
479 unsigned int tx_multicast_frames;
480 unsigned int tx_fragments;
481 unsigned int tx_unicast_octets;
482 unsigned int tx_multicast_octets;
483 unsigned int tx_deferred_transmissions;
484 unsigned int tx_single_retry_frames;
485 unsigned int tx_multiple_retry_frames;
486 unsigned int tx_retry_limit_exceeded;
487 unsigned int tx_discards;
488 unsigned int rx_unicast_frames;
489 unsigned int rx_multicast_frames;
490 unsigned int rx_fragments;
491 unsigned int rx_unicast_octets;
492 unsigned int rx_multicast_octets;
493 unsigned int rx_fcs_errors;
494 unsigned int rx_discards_no_buffer;
495 unsigned int tx_discards_wrong_sa;
496 unsigned int rx_discards_undecryptable;
497 unsigned int rx_message_in_msg_fragments;
498 unsigned int rx_message_in_bad_msg_fragments;
501 struct ieee80211_device;
503 #include "ieee80211_crypt.h"
505 #define SEC_KEY_1 (1<<0)
506 #define SEC_KEY_2 (1<<1)
507 #define SEC_KEY_3 (1<<2)
508 #define SEC_KEY_4 (1<<3)
509 #define SEC_ACTIVE_KEY (1<<4)
510 #define SEC_AUTH_MODE (1<<5)
511 #define SEC_UNICAST_GROUP (1<<6)
512 #define SEC_LEVEL (1<<7)
513 #define SEC_ENABLED (1<<8)
515 #define SEC_LEVEL_0 0 /* None */
516 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
517 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
518 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
519 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
522 #define WEP_KEY_LEN 13
523 #define SCM_KEY_LEN 32
525 struct ieee80211_security {
530 unicast_uses_group:1,
532 u8 key_sizes[WEP_KEYS];
533 u8 keys[WEP_KEYS][SCM_KEY_LEN];
536 } __attribute__ ((packed));
540 802.11 data frame from AP
541 ,-------------------------------------------------------------------.
542 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
543 |------|------|---------|---------|---------|------|---------|------|
544 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
545 | | tion | (BSSID) | | | ence | data | |
546 `-------------------------------------------------------------------'
550 /* Management Frame Information Element Types */
554 MFIE_TYPE_FH_SET = 2,
555 MFIE_TYPE_DS_SET = 3,
556 MFIE_TYPE_CF_SET = 4,
558 MFIE_TYPE_IBSS_SET = 6,
559 MFIE_TYPE_COUNTRY = 7,
560 MFIE_TYPE_HOP_PARAMS = 8,
561 MFIE_TYPE_HOP_TABLE = 9,
562 MFIE_TYPE_REQUEST = 10,
563 MFIE_TYPE_CHALLENGE = 16,
564 MFIE_TYPE_POWER_CONSTRAINT = 32,
565 MFIE_TYPE_POWER_CAPABILITY = 33,
566 MFIE_TYPE_TPC_REQUEST = 34,
567 MFIE_TYPE_TPC_REPORT = 35,
568 MFIE_TYPE_SUPP_CHANNELS = 36,
570 MFIE_TYPE_MEASURE_REQUEST = 38,
571 MFIE_TYPE_MEASURE_REPORT = 39,
572 MFIE_TYPE_QUIET = 40,
573 MFIE_TYPE_IBSS_DFS = 41,
576 MFIE_TYPE_RATES_EX = 50,
577 MFIE_TYPE_HT_CAP= 45,
578 MFIE_TYPE_HT_INFO= 61,
579 MFIE_TYPE_AIRONET=133,
580 MFIE_TYPE_GENERIC = 221,
581 MFIE_TYPE_QOS_PARAMETER = 222,
584 /* Minimal header; can be used for passing 802.11 frames with sufficient
585 * information to determine what type of underlying data type is actually
586 * stored in the data. */
587 struct rtl_ieee80211_hdr {
591 } __attribute__ ((packed));
593 struct ieee80211_hdr_1addr {
598 } __attribute__ ((packed));
600 struct ieee80211_hdr_2addr {
606 } __attribute__ ((packed));
608 struct ieee80211_hdr_3addr {
616 } __attribute__ ((packed));
618 struct ieee80211_hdr_4addr {
627 } __attribute__ ((packed));
629 struct ieee80211_hdr_3addrqos {
638 } __attribute__ ((packed));
640 struct ieee80211_hdr_4addrqos {
650 } __attribute__ ((packed));
652 struct ieee80211_info_element {
656 } __attribute__ ((packed));
658 struct ieee80211_authentication {
659 struct ieee80211_hdr_3addr header;
664 struct ieee80211_info_element info_element[0];
665 } __attribute__ ((packed));
667 struct ieee80211_disassoc {
668 struct ieee80211_hdr_3addr header;
670 } __attribute__ ((packed));
672 struct ieee80211_probe_request {
673 struct ieee80211_hdr_3addr header;
674 /* SSID, supported rates */
675 struct ieee80211_info_element info_element[0];
676 } __attribute__ ((packed));
678 struct ieee80211_probe_response {
679 struct ieee80211_hdr_3addr header;
681 __le16 beacon_interval;
683 /* SSID, supported rates, FH params, DS params,
684 * CF params, IBSS params, TIM (if beacon), RSN */
685 struct ieee80211_info_element info_element[0];
686 } __attribute__ ((packed));
688 struct ieee80211_assoc_request_frame {
689 struct ieee80211_hdr_3addr header;
691 __le16 listen_interval;
692 /* SSID, supported rates, RSN */
693 struct ieee80211_info_element info_element[0];
694 } __attribute__ ((packed));
696 struct ieee80211_reassoc_request_frame {
697 struct ieee80211_hdr_3addr header;
699 __le16 listen_interval;
700 u8 current_ap[ETH_ALEN];
701 /* SSID, supported rates, RSN */
702 struct ieee80211_info_element info_element[0];
703 } __attribute__ ((packed));
705 struct ieee80211_assoc_response_frame {
706 struct ieee80211_hdr_3addr header;
710 struct ieee80211_info_element info_element[0]; /* supported rates */
711 } __attribute__ ((packed));
713 struct ieee80211_txb {
721 struct sk_buff *fragments[0];
724 #define MAX_SUBFRAME_COUNT 64
725 struct ieee80211_rxb {
727 struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
730 }__attribute__((packed));
732 /* SWEEP TABLE ENTRIES NUMBER */
733 #define MAX_SWEEP_TAB_ENTRIES 42
734 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
735 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
736 * only use 8, and then use extended rates for the remaining supported
737 * rates. Other APs, however, stick all of their supported rates on the
738 * main rates information element... */
739 #define MAX_RATES_LENGTH ((u8)12)
740 #define MAX_RATES_EX_LENGTH ((u8)16)
741 #define MAX_NETWORK_COUNT 128
743 #define MAX_CHANNEL_NUMBER 161
745 #define IEEE80211_SOFTMAC_SCAN_TIME 100 /* (HZ / 2) */
746 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
748 #define CRC_LENGTH 4U
750 #define MAX_WPA_IE_LEN 64
752 #define NETWORK_EMPTY_ESSID (1 << 0)
753 #define NETWORK_HAS_OFDM (1 << 1)
754 #define NETWORK_HAS_CCK (1 << 2)
757 #define NETWORK_HAS_QOS_PARAMETERS (1 << 3)
758 #define NETWORK_HAS_QOS_INFORMATION (1 << 4)
759 #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
760 NETWORK_HAS_QOS_INFORMATION)
762 #define NETWORK_HAS_ERP_VALUE (1 << 10)
764 #define QOS_QUEUE_NUM 4
765 #define QOS_OUI_LEN 3
766 #define QOS_OUI_TYPE 2
767 #define QOS_ELEMENT_ID 221
768 #define QOS_OUI_INFO_SUB_TYPE 0
769 #define QOS_OUI_PARAM_SUB_TYPE 1
770 #define QOS_VERSION_1 1
771 #define QOS_AIFSN_MIN_VALUE 2
773 struct ieee80211_qos_information_element {
781 } __attribute__ ((packed));
783 struct ieee80211_qos_ac_parameter {
787 } __attribute__ ((packed));
789 struct ieee80211_qos_parameter_info {
790 struct ieee80211_qos_information_element info_element;
792 struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
793 } __attribute__ ((packed));
795 struct ieee80211_qos_parameters {
796 __le16 cw_min[QOS_QUEUE_NUM];
797 __le16 cw_max[QOS_QUEUE_NUM];
798 u8 aifs[QOS_QUEUE_NUM];
799 u8 flag[QOS_QUEUE_NUM];
800 __le16 tx_op_limit[QOS_QUEUE_NUM];
801 } __attribute__ ((packed));
803 struct ieee80211_qos_data {
804 struct ieee80211_qos_parameters parameters;
811 struct ieee80211_tim_parameters {
814 } __attribute__ ((packed));
816 struct ieee80211_wmm_ac_param {
822 struct ieee80211_wmm_ts_info {
826 } __attribute__ ((packed));
828 struct ieee80211_wmm_tspec_elem {
829 struct ieee80211_wmm_ts_info ts_info;
845 }__attribute__((packed));
852 EAPOL_ENCAP_ASF_ALERT
855 static const char *eap_types[] = {
856 [EAP_PACKET] = "EAP-Packet",
857 [EAPOL_START] = "EAPOL-Start",
858 [EAPOL_LOGOFF] = "EAPOL-Logoff",
859 [EAPOL_KEY] = "EAPOL-Key",
860 [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
863 static inline const char *eap_get_type(int type)
865 return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
874 } __attribute__ ((packed));
876 struct ieee80211_softmac_stats {
877 unsigned int rx_ass_ok;
878 unsigned int rx_ass_err;
879 unsigned int rx_probe_rq;
880 unsigned int tx_probe_rs;
881 unsigned int tx_beacons;
882 unsigned int rx_auth_rq;
883 unsigned int rx_auth_rs_ok;
884 unsigned int rx_auth_rs_err;
885 unsigned int tx_auth_rq;
886 unsigned int no_auth_rs;
887 unsigned int no_ass_rs;
888 unsigned int tx_ass_rq;
889 unsigned int rx_ass_rq;
890 unsigned int tx_probe_rq;
891 unsigned int reassoc;
892 unsigned int swtxstop;
893 unsigned int swtxawake;
894 unsigned char CurrentShowTxate;
895 unsigned char last_packet_rate;
896 unsigned int txretrycount;
899 #define BEACON_PROBE_SSID_ID_POSITION 12
901 struct ieee80211_info_element_hdr {
904 } __attribute__ ((packed));
907 * These are the data types that can make up management packets
913 u8 current_ap[ETH_ALEN];
916 u16 association_id:14, reserved:2;
917 } __attribute__ ((packed));
923 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
924 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
926 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
927 #define MAX_SP_Len (WMM_all_frame << 4)
928 #define IEEE80211_QOS_TID 0x0f
929 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
931 #define IEEE80211_DTIM_MBCAST 4
932 #define IEEE80211_DTIM_UCAST 2
933 #define IEEE80211_DTIM_VALID 1
934 #define IEEE80211_DTIM_INVALID 0
936 #define IEEE80211_PS_DISABLED 0
937 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
938 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
940 //added by David for QoS 2006/6/30
941 //#define WMM_Hang_8187
946 #define WME_AC_BK 0x00
947 #define WME_AC_BE 0x01
948 #define WME_AC_VI 0x02
949 #define WME_AC_VO 0x03
950 #define WME_ACI_MASK 0x03
951 #define WME_AIFSN_MASK 0x03
952 #define WME_AC_PRAM_LEN 16
954 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
955 //#define UP2AC(up) ((up<3) ? ((up==0)?1:0) : (up>>1))
956 #define UP2AC(up) ( \
957 ((up) < 1) ? WME_AC_BE : \
958 ((up) < 3) ? WME_AC_BK : \
959 ((up) < 4) ? WME_AC_BE : \
960 ((up) < 6) ? WME_AC_VI : \
963 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
964 #define AC2UP(_ac) ( \
965 ((_ac) == WME_AC_VO) ? 6 : \
966 ((_ac) == WME_AC_VI) ? 5 : \
967 ((_ac) == WME_AC_BK) ? 1 : \
970 #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
972 /* length of two Ethernet address plus ether type */
973 #define ETHERNET_HEADER_SIZE 14
975 struct ether_header {
976 u8 ether_dhost[ETHER_ADDR_LEN];
977 u8 ether_shost[ETHER_ADDR_LEN];
979 } __attribute__((packed));
981 #ifndef ETHERTYPE_PAE
982 #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */
985 #define ETHERTYPE_IP 0x0800 /* IP protocol */
988 struct ieee80211_network {
989 /* These entries are used to identify a unique network */
992 /* Ensure null-terminated for any debug msgs */
993 u8 ssid[IW_ESSID_MAX_SIZE + 1];
996 struct ieee80211_qos_data qos_data;
1000 bool bCkipSupported;
1004 /* CCXv4 S59, MBSSID. */
1009 /* CCX 2 S38, WLAN Device Version Number element. */
1010 bool bWithCcxVerNum;
1013 /* These are network statistics */
1014 struct ieee80211_rx_stats stats;
1016 u8 rates[MAX_RATES_LENGTH];
1018 u8 rates_ex[MAX_RATES_EX_LENGTH];
1020 unsigned long last_scanned;
1025 u16 beacon_interval;
1026 u16 listen_interval;
1029 u8 wpa_ie[MAX_WPA_IE_LEN];
1031 u8 rsn_ie[MAX_WPA_IE_LEN];
1034 struct ieee80211_tim_parameters tim;
1037 u32 last_dtim_sta_time[2];
1041 struct ieee80211_wmm_ac_param wmm_param[4];
1043 u8 Turbo_Enable;//enable turbo mode, added by thomas
1045 u8 CountryIeBuf[MAX_IE_LEN];
1049 /* Added to handle broadcom AP management frame CCK rate. */
1050 bool broadcom_cap_exist;
1051 bool realtek_cap_exit;
1052 bool marvell_cap_exist;
1053 bool ralink_cap_exist;
1054 bool atheros_cap_exist;
1055 bool cisco_cap_exist;
1056 bool unknown_cap_exist;
1057 bool berp_info_valid;
1058 bool buseprotection;
1060 struct list_head list; /* put at the end of the structure */
1063 enum ieee80211_state {
1065 /* the card is not linked at all */
1066 IEEE80211_NOLINK = 0,
1068 /* IEEE80211_ASSOCIATING* are for BSS client mode
1069 * the driver shall not perform RX filtering unless
1070 * the state is LINKED.
1071 * The driver shall just check for the state LINKED and
1072 * defaults to NOLINK for ALL the other states (including
1076 /* the association procedure will start (wq scheduling)*/
1077 IEEE80211_ASSOCIATING,
1078 IEEE80211_ASSOCIATING_RETRY,
1080 /* the association procedure is sending AUTH request*/
1081 IEEE80211_ASSOCIATING_AUTHENTICATING,
1083 /* the association procedure has successfully authentcated
1084 * and is sending association request
1086 IEEE80211_ASSOCIATING_AUTHENTICATED,
1088 /* the link is ok. the card associated to a BSS or linked
1089 * to a ibss cell or acting as an AP and creating the bss
1093 /* same as LINKED, but the driver shall apply RX filter
1094 * rules as we are in NO_LINK mode. As the card is still
1095 * logically linked, but it is doing a syncro site survey
1096 * then it will be back to LINKED state.
1098 IEEE80211_LINKED_SCANNING,
1102 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1103 #define DEFAULT_FTS 2346
1105 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1106 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1108 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1109 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1110 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1111 IEEE80211_24GHZ_MIN_CHANNEL + 1)
1113 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1114 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1115 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1116 IEEE80211_52GHZ_MIN_CHANNEL + 1)
1118 typedef struct tx_pending_t{
1120 struct ieee80211_txb *txb;
1124 COUNTRY_CODE_FCC = 0,
1125 COUNTRY_CODE_IC = 1,
1126 COUNTRY_CODE_ETSI = 2,
1127 COUNTRY_CODE_SPAIN = 3,
1128 COUNTRY_CODE_FRANCE = 4,
1129 COUNTRY_CODE_MKK = 5,
1130 COUNTRY_CODE_MKK1 = 6,
1131 COUNTRY_CODE_ISRAEL = 7,
1134 COUNTRY_CODE_GLOBAL_DOMAIN
1137 #include "ieee80211_r8192s.h"
1139 struct ieee80211_device {
1140 struct net_device *dev;
1141 struct ieee80211_security sec;
1143 /* hw security related */
1145 bool is_silent_reset;
1148 bool bSupportRemoteWakeUp;
1149 RT_PS_MODE dot11PowerSaveMode;
1151 bool be_scan_inprogress;
1153 RT_RF_POWER_STATE eRFPowerState;
1158 PRT_HIGH_THROUGHPUT pHTInfo;
1159 spinlock_t bw_spinlock;
1161 spinlock_t reorder_spinlock;
1163 * for HT operation rate set, we use this one for HT data rate to
1164 * seperate different descriptors the way fill this is the same as
1167 u8 Regdot11HTOperationalRateSet[16]; /* use RATR format */
1168 u8 dot11HTOperationalRateSet[16]; /* use RATR format */
1169 u8 RegHTSuppRateSet[16];
1170 u8 HTCurrentOperaRate;
1171 u8 HTHighestOperaRate;
1172 /* for rate operation mode to firmware */
1173 u8 bTxDisableRateFallBack;
1174 u8 bTxUseDriverAssingedRate;
1175 atomic_t atm_chnlop;
1178 /* 802.11e and WMM Traffic Stream Info (TX) */
1179 struct list_head Tx_TS_Admit_List;
1180 struct list_head Tx_TS_Pending_List;
1181 struct list_head Tx_TS_Unused_List;
1182 TX_TS_RECORD TxTsRecord[TOTAL_TS_NUM];
1183 /* 802.11e and WMM Traffic Stream Info (RX) */
1184 struct list_head Rx_TS_Admit_List;
1185 struct list_head Rx_TS_Pending_List;
1186 struct list_head Rx_TS_Unused_List;
1187 RX_TS_RECORD RxTsRecord[TOTAL_TS_NUM];
1189 RX_REORDER_ENTRY RxReorderEntry[128];
1190 struct list_head RxReorder_Unused_List;
1193 /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1196 /* Bookkeeping structures */
1197 struct net_device_stats stats;
1198 struct ieee80211_stats ieee_stats;
1199 struct ieee80211_softmac_stats softmac_stats;
1201 /* Probe / Beacon management */
1202 struct list_head network_free_list;
1203 struct list_head network_list;
1204 struct ieee80211_network *networks;
1208 int iw_mode; /* operating mode (IW_MODE_*) */
1209 struct iw_spy_data spy_data;
1212 spinlock_t wpax_suitlist_lock;
1214 int tx_headroom; /* Set to size of any additional room needed at front
1215 * of allocated Tx SKBs */
1218 /* WEP and other encryption related settings at the device level */
1219 int open_wep; /* Set to 1 to allow unencrypted frames */
1221 int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1222 * WEP key changes */
1224 /* If the host performs {en,de}cryption, then set to 1 */
1226 int host_encrypt_msdu;
1228 /* host performs multicast decryption */
1229 int host_mc_decrypt;
1231 /* host should strip IV and ICV from protected frames */
1232 /* meaningful only when hardware decryption is being used */
1233 int host_strip_iv_icv;
1237 int ieee802_1x; /* is IEEE 802.1X used */
1240 bool bHalfWirelessN24GMode;
1242 int drop_unencrypted;
1243 int tkip_countermeasures;
1244 int privacy_invoked;
1248 u16 pairwise_key_type;
1250 struct list_head crypt_deinit_list;
1251 struct ieee80211_crypt_data *crypt[WEP_KEYS];
1252 int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1253 struct timer_list crypt_deinit_timer;
1256 int bcrx_sta_key; /* use individual keys to override default keys even
1257 * with RX of broad/multicast frames */
1259 /* Fragmentation structures */
1260 // each streaming contain a entry
1261 struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1262 unsigned int frag_next_idx[17];
1263 u16 fts; /* Fragmentation Threshold */
1264 #define DEFAULT_RTS_THRESHOLD 2346U
1265 #define MIN_RTS_THRESHOLD 1
1266 #define MAX_RTS_THRESHOLD 2346U
1267 u16 rts; /* RTS threshold */
1269 /* Association info */
1272 /* This stores infos for the current network.
1273 * Either the network we are associated in INFRASTRUCTURE
1274 * or the network that we are creating in MASTER mode.
1275 * ad-hoc is a mixture ;-).
1276 * Note that in infrastructure mode, even when not associated,
1277 * fields bssid and essid may be valid (if wpa_set and essid_set
1278 * are true) as thy carry the value set by the user via iwconfig
1280 struct ieee80211_network current_network;
1282 enum ieee80211_state state;
1286 int mode; /* A, B, G */
1287 int modulation; /* CCK, OFDM */
1288 int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */
1289 int abg_true; /* ABG flag */
1291 /* used for forcing the ibss workqueue to terminate
1292 * without wait for the syncro scan to terminate
1294 short sync_scan_hurryup;
1299 u16 prev_seq_ctl; /* used to drop duplicate frames */
1302 * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1303 * a basic channel plan depending of the PHY type
1307 int rate; /* current rate */
1309 //FIXME: pleace callback, see if redundant with softmac_features
1312 /* this contains flags for selectively enable softmac support */
1313 u16 softmac_features;
1315 /* if the sequence control field is not filled by HW */
1318 /* association procedure transaction sequence number */
1321 /* AID for RTXed association responses */
1324 /* power save mode related*/
1330 struct tasklet_struct ps_task;
1335 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1338 short proto_started;
1340 struct semaphore wx_sem;
1341 struct semaphore scan_sem;
1343 spinlock_t mgmt_tx_lock;
1344 spinlock_t beacon_lock;
1351 u8 wpax_type_set; //{added by David, 2006.9.28}
1352 u32 wpax_type_notify; //{added by David, 2006.9.26}
1354 /* QoS related flag */
1355 char init_wmmparam_flag;
1356 /* set on initialization */
1359 /* for discarding duplicated packets in IBSS */
1360 struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1362 /* for discarding duplicated packets in BSS */
1363 u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1364 u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1365 unsigned long last_packet_time[17];
1368 unsigned long last_rx_ps_time;
1370 /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1371 struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1372 int mgmt_queue_head;
1373 int mgmt_queue_tail;
1377 unsigned int hw_header;
1378 struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1379 struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1380 struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1381 u32 sta_edca_param[4];
1383 /* Enable/Disable Rx immediate BA capability. */
1384 bool enable_rx_imm_BA;
1385 bool bibsscoordinator;
1387 /* Dynamic Tx power for near/far range enable/disable. */
1388 bool bdynamic_txpower_enable;
1390 bool bCTSToSelfEnable;
1393 u32 fsync_time_interval;
1394 u32 fsync_rate_bitmap;
1395 u8 fsync_rssi_threshold;
1398 u8 fsync_multiple_timeinterval; /* value * FsyncTimeInterval */
1399 u32 fsync_firstdiff_ratethreshold; /* low threshold */
1400 u32 fsync_seconddiff_ratethreshold; /* decrease threshold */
1401 Fsync_State fsync_state;
1402 bool bis_any_nonbepkts;
1403 /* 20Mhz 40Mhz AutoSwitch Threshold */
1404 struct bandwidth_autoswitch bandwidth_auto_switch;
1405 /* for txpower tracking */
1408 /* for AP roaming */
1409 struct rt_link_detect LinkDetectInfo;
1411 struct rt_power_save_control PowerSaveControl;
1414 /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1415 struct tx_pending_t tx_pending;
1417 /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1418 struct timer_list associate_timer;
1420 /* used if IEEE_SOFTMAC_BEACONS is set */
1421 struct timer_list beacon_timer;
1422 struct work_struct associate_complete_wq;
1423 struct work_struct associate_procedure_wq;
1424 struct delayed_work softmac_scan_wq;
1425 struct delayed_work associate_retry_wq;
1426 struct delayed_work start_ibss_wq;
1427 struct delayed_work hw_wakeup_wq;
1428 struct delayed_work hw_sleep_wq;
1429 struct delayed_work link_change_wq;
1430 struct work_struct wx_sync_scan_wq;
1431 struct workqueue_struct *wq;
1433 /* Callback functions */
1434 void (*set_security)(struct net_device *dev,
1435 struct ieee80211_security *sec);
1437 /* Used to TX data frame by using txb structs.
1438 * this is not used if in the softmac_features
1439 * is set the flag IEEE_SOFTMAC_TX_QUEUE
1441 int (*hard_start_xmit)(struct ieee80211_txb *txb,
1442 struct net_device *dev);
1444 int (*reset_port)(struct net_device *dev);
1445 int (*is_queue_full)(struct net_device *dev, int pri);
1447 int (*handle_management)(struct net_device *dev,
1448 struct ieee80211_network *network, u16 type);
1449 int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1451 /* Softmac-generated frames (mamagement) are TXed via this
1452 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1453 * not set. As some cards may have different HW queues that
1454 * one might want to use for data and management frames
1455 * the option to have two callbacks might be useful.
1456 * This fucntion can't sleep.
1458 int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1459 struct net_device *dev);
1461 /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1462 * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1463 * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1464 * then also management frames are sent via this callback.
1465 * This function can't sleep.
1467 void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1468 struct net_device *dev,int rate);
1470 /* stops the HW queue for DATA frames. Useful to avoid
1471 * waste time to TX data frame when we are reassociating
1472 * This function can sleep.
1474 void (*data_hard_stop)(struct net_device *dev);
1476 /* OK this is complementar to data_poll_hard_stop */
1477 void (*data_hard_resume)(struct net_device *dev);
1479 /* ask to the driver to retune the radio .
1480 * This function can sleep. the driver should ensure
1481 * the radio has been swithced before return.
1483 void (*set_chan)(struct net_device *dev,short ch);
1485 /* These are not used if the ieee stack takes care of
1486 * scanning (IEEE_SOFTMAC_SCAN feature set).
1487 * In this case only the set_chan is used.
1489 * The syncro version is similar to the start_scan but
1490 * does not return until all channels has been scanned.
1491 * this is called in user context and should sleep,
1492 * it is called in a work_queue when swithcing to ad-hoc mode
1493 * or in behalf of iwlist scan when the card is associated
1494 * and root user ask for a scan.
1495 * the fucntion stop_scan should stop both the syncro and
1496 * background scanning and can sleep.
1497 * The fucntion start_scan should initiate the background
1498 * scanning and can't sleep.
1500 void (*scan_syncro)(struct net_device *dev);
1501 void (*start_scan)(struct net_device *dev);
1502 void (*stop_scan)(struct net_device *dev);
1504 /* indicate the driver that the link state is changed
1505 * for example it may indicate the card is associated now.
1506 * Driver might be interested in this to apply RX filter
1507 * rules or simply light the LINK led
1509 void (*link_change)(struct net_device *dev);
1511 /* these two function indicates to the HW when to start
1512 * and stop to send beacons. This is used when the
1513 * IEEE_SOFTMAC_BEACONS is not set. For now the
1514 * stop_send_bacons is NOT guaranteed to be called only
1515 * after start_send_beacons.
1517 void (*start_send_beacons) (struct net_device *dev);
1518 void (*stop_send_beacons) (struct net_device *dev);
1520 /* power save mode related */
1521 void (*sta_wake_up) (struct net_device *dev);
1522 void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1523 short (*ps_is_queue_empty) (struct net_device *dev);
1525 int (*handle_beacon)(struct net_device *dev,
1526 struct ieee80211_probe_response *beacon,
1527 struct ieee80211_network *network);
1528 int (*handle_assoc_response)(struct net_device *dev,
1529 struct ieee80211_assoc_response_frame *resp,
1530 struct ieee80211_network *network);
1532 /* check whether Tx hw resouce available */
1533 short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1535 void (*SetBWModeHandler)(struct net_device *dev,
1536 HT_CHANNEL_WIDTH Bandwidth,
1537 HT_EXTCHNL_OFFSET Offset);
1538 bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1539 void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1540 bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1541 bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1542 void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1543 bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1544 void (*LedControlHandler)(struct net_device *dev,
1545 LED_CTL_MODE LedAction);
1546 /* This must be the last item so that it points to the data
1547 * allocated beyond this structure by alloc_ieee80211 */
1551 #define IEEE_A (1<<0)
1552 #define IEEE_B (1<<1)
1553 #define IEEE_G (1<<2)
1554 #define IEEE_N_24G (1<<4)
1555 #define IEEE_N_5G (1<<5)
1556 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1558 /* Generate a 802.11 header */
1560 /* Uses the channel change callback directly
1561 * instead of [start/stop] scan callbacks
1563 #define IEEE_SOFTMAC_SCAN (1<<2)
1565 /* Perform authentication and association handshake */
1566 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1568 /* Generate probe requests */
1569 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1571 /* Generate respones to probe requests */
1572 #define IEEE_SOFTMAC_PROBERS (1<<5)
1574 /* The ieee802.11 stack will manages the netif queue
1575 * wake/stop for the driver, taking care of 802.11
1576 * fragmentation. See softmac.c for details. */
1577 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1579 /* Uses only the softmac_data_hard_start_xmit
1580 * even for TX management frames.
1582 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1584 /* Generate beacons. The stack will enqueue beacons
1587 #define IEEE_SOFTMAC_BEACONS (1<<6)
1589 static inline void *ieee80211_priv(struct net_device *dev)
1591 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1594 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1596 /* Single white space is for Linksys APs */
1597 if (essid_len == 1 && essid[0] == ' ')
1600 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1603 if (essid[essid_len] != '\0')
1610 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1613 * It is possible for both access points and our device to support
1614 * combinations of modes, so as long as there is one valid combination
1615 * of ap/device supported modes, then return success
1618 if ((mode & IEEE_A) &&
1619 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1620 (ieee->freq_band & IEEE80211_52GHZ_BAND))
1623 if ((mode & IEEE_G) &&
1624 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1625 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1628 if ((mode & IEEE_B) &&
1629 (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1630 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1636 extern inline int ieee80211_get_hdrlen(u16 fc)
1638 int hdrlen = IEEE80211_3ADDR_LEN;
1640 switch (WLAN_FC_GET_TYPE(fc)) {
1641 case IEEE80211_FTYPE_DATA:
1642 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1643 hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
1644 if(IEEE80211_QOS_HAS_SEQ(fc))
1645 hdrlen += 2; /* QOS ctrl*/
1647 case IEEE80211_FTYPE_CTL:
1648 switch (WLAN_FC_GET_STYPE(fc)) {
1649 case IEEE80211_STYPE_CTS:
1650 case IEEE80211_STYPE_ACK:
1651 hdrlen = IEEE80211_1ADDR_LEN;
1654 hdrlen = IEEE80211_2ADDR_LEN;
1663 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
1665 switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1666 case IEEE80211_1ADDR_LEN:
1667 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1668 case IEEE80211_2ADDR_LEN:
1669 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1670 case IEEE80211_3ADDR_LEN:
1671 return ((struct ieee80211_hdr_3addr *)hdr)->payload;
1672 case IEEE80211_4ADDR_LEN:
1673 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1678 static inline int ieee80211_is_ofdm_rate(u8 rate)
1680 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1681 case IEEE80211_OFDM_RATE_6MB:
1682 case IEEE80211_OFDM_RATE_9MB:
1683 case IEEE80211_OFDM_RATE_12MB:
1684 case IEEE80211_OFDM_RATE_18MB:
1685 case IEEE80211_OFDM_RATE_24MB:
1686 case IEEE80211_OFDM_RATE_36MB:
1687 case IEEE80211_OFDM_RATE_48MB:
1688 case IEEE80211_OFDM_RATE_54MB:
1694 static inline int ieee80211_is_cck_rate(u8 rate)
1696 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1697 case IEEE80211_CCK_RATE_1MB:
1698 case IEEE80211_CCK_RATE_2MB:
1699 case IEEE80211_CCK_RATE_5MB:
1700 case IEEE80211_CCK_RATE_11MB:
1708 extern void free_ieee80211(struct net_device *dev);
1709 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1711 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1713 /* ieee80211_tx.c */
1715 extern int ieee80211_encrypt_fragment(
1716 struct ieee80211_device *ieee,
1717 struct sk_buff *frag,
1720 extern int rtl8192_ieee80211_rtl_xmit(struct sk_buff *skb,
1721 struct net_device *dev);
1722 extern void ieee80211_txb_free(struct ieee80211_txb *);
1725 /* ieee80211_rx.c */
1726 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1727 struct ieee80211_rx_stats *rx_stats);
1728 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1729 struct ieee80211_hdr_4addr *header,
1730 struct ieee80211_rx_stats *stats);
1732 /* ieee80211_wx.c */
1733 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1734 struct iw_request_info *info,
1735 union iwreq_data *wrqu, char *key);
1736 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1737 struct iw_request_info *info,
1738 union iwreq_data *wrqu, char *key);
1739 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1740 struct iw_request_info *info,
1741 union iwreq_data *wrqu, char *key);
1742 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1743 struct iw_request_info *info,
1744 union iwreq_data* wrqu, char *extra);
1745 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1746 struct iw_request_info *info,
1747 struct iw_param *data, char *extra);
1748 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1749 struct iw_request_info *info,
1750 union iwreq_data *wrqu, char *extra);
1751 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1753 /* ieee80211_softmac.c */
1754 extern short ieee80211_is_54g(struct ieee80211_network net);
1755 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1756 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1757 struct ieee80211_rx_stats *rx_stats, u16 type,
1759 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1761 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
1762 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1764 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1765 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1766 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1767 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1768 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1769 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1770 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1771 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1772 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1773 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1774 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1775 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1776 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1777 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1778 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1779 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1780 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1781 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1782 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1783 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1784 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1785 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1786 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1787 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1788 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1789 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1791 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
1793 /* ieee80211_crypt_ccmp&tkip&wep.c */
1794 extern void ieee80211_tkip_null(void);
1795 extern void ieee80211_wep_null(void);
1796 extern void ieee80211_ccmp_null(void);
1798 /* ieee80211_softmac_wx.c */
1800 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1801 struct iw_request_info *info,
1802 union iwreq_data *wrqu, char *ext);
1804 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1805 struct iw_request_info *info,
1806 union iwreq_data *awrq,
1809 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1811 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1812 struct iw_request_info *info,
1813 union iwreq_data *wrqu, char *extra);
1815 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1816 struct iw_request_info *info,
1817 union iwreq_data *wrqu, char *extra);
1819 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1820 union iwreq_data *wrqu, char *b);
1822 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1823 union iwreq_data *wrqu, char *b);
1825 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1826 struct iw_request_info *a,
1827 union iwreq_data *wrqu, char *extra);
1829 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1830 union iwreq_data *wrqu, char *b);
1832 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1833 union iwreq_data *wrqu, char *b);
1835 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1836 union iwreq_data *wrqu, char *b);
1838 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1840 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1841 struct iw_request_info *info,
1842 union iwreq_data *wrqu, char *extra);
1844 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1845 struct iw_request_info *info,
1846 union iwreq_data *wrqu, char *extra);
1848 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1849 struct iw_request_info *info,
1850 union iwreq_data *wrqu, char *extra);
1852 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1853 struct iw_request_info *info,
1854 union iwreq_data *wrqu, char *extra);
1856 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
1857 struct iw_request_info *info,
1858 union iwreq_data *wrqu, char *extra);
1860 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
1861 struct iw_request_info *info,
1862 union iwreq_data *wrqu, char *extra);
1864 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
1866 extern const long ieee80211_wlan_frequencies[];
1868 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1873 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1878 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1879 static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1880 const char *s = essid;
1883 if (ieee80211_is_empty_essid(essid, essid_len)) {
1884 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1888 essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1889 while (essid_len--) {
1902 /* For the function is more related to hardware setting, it's better to use the
1903 * ieee handler to refer to it.
1905 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
1906 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
1907 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
1908 struct ieee80211_info_element *info_element,
1910 struct ieee80211_network *network,
1911 struct ieee80211_rx_stats *stats);
1913 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
1914 struct ieee80211_rxb **prxbIndicateArray,
1916 #define RT_ASOC_RETRY_LIMIT 5
1917 #endif /* IEEE80211_H */