2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include <linux/sched.h>
25 #include <linux/init.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/skbuff.h>
29 #include <linux/netdevice.h>
30 #include <linux/etherdevice.h>
31 #include <linux/random.h>
32 #include <linux/spinlock.h>
33 #include <linux/ethtool.h>
34 #include <linux/suspend.h>
35 #include <asm/uaccess.h>
36 #include <asm/unaligned.h>
38 /* The kernel threading is sdio-specific */
40 #include "proto/bcmeth.h"
41 #include "proto/bcmevent.h"
49 #define WLC_SET_PROMISC 10
50 #define WLC_GET_RATE 12
51 #define WLC_GET_INFRA 19
52 #define WLC_SET_INFRA 20
53 #define WLC_GET_AUTH 21
54 #define WLC_SET_AUTH 22
55 #define WLC_GET_BSSID 23
56 #define WLC_GET_SSID 25
57 #define WLC_SET_SSID 26
58 #define WLC_GET_CHANNEL 29
59 #define WLC_GET_SRL 31
60 #define WLC_GET_LRL 33
61 #define WLC_GET_RADIO 37
62 #define WLC_SET_RADIO 38
63 #define WLC_GET_PHYTYPE 39
64 #define WLC_SET_KEY 45
65 #define WLC_SET_PASSIVE_SCAN 49
67 #define WLC_SCAN_RESULTS 51
68 #define WLC_DISASSOC 52
69 #define WLC_REASSOC 53
70 #define WLC_SET_ROAM_TRIGGER 55
71 #define WLC_SET_ROAM_DELTA 57
72 #define WLC_GET_DTIMPRD 77
73 #define WLC_SET_COUNTRY 84
76 #define WLC_GET_AP 117
77 #define WLC_SET_AP 118
78 #define WLC_GET_RSSI 127
79 #define WLC_GET_WSEC 133
80 #define WLC_SET_WSEC 134
81 #define WLC_GET_PHY_NOISE 135
82 #define WLC_GET_BSS_INFO 136
83 #define WLC_SET_SCAN_CHANNEL_TIME 185
84 #define WLC_SET_SCAN_UNASSOC_TIME 187
85 #define WLC_SCB_DEAUTHENTICATE_FOR_REASON 201
86 #define WLC_GET_VALID_CHANNELS 217
87 #define WLC_GET_KEY_PRIMARY 235
88 #define WLC_SET_KEY_PRIMARY 236
89 #define WLC_SET_SCAN_PASSIVE_TIME 258
90 #define WLC_GET_VAR 262 /* get value of named variable */
91 #define WLC_SET_VAR 263 /* set named variable to value */
93 /* phy types (returned by WLC_GET_PHYTPE) */
94 #define WLC_PHY_TYPE_A 0
95 #define WLC_PHY_TYPE_B 1
96 #define WLC_PHY_TYPE_G 2
97 #define WLC_PHY_TYPE_N 4
98 #define WLC_PHY_TYPE_LP 5
99 #define WLC_PHY_TYPE_SSN 6
100 #define WLC_PHY_TYPE_HT 7
101 #define WLC_PHY_TYPE_LCN 8
102 #define WLC_PHY_TYPE_NULL 0xf
104 #define WL_PKT_FILTER_FIXED_LEN offsetof(wl_pkt_filter_t, u)
105 #define WL_PKT_FILTER_PATTERN_FIXED_LEN offsetof(wl_pkt_filter_pattern_t, mask_and_pattern)
107 #define WL_EVENTING_MASK_LEN 16
109 #define TOE_TX_CSUM_OL 0x00000001
110 #define TOE_RX_CSUM_OL 0x00000002
112 /* maximum channels returned by the get valid channels iovar */
113 #define WL_NUMCHANNELS 64
115 #define WL_BSS_INFO_VERSION 108 /* current ver of wl_bss_info struct */
117 /* size of wl_scan_params not including variable length array */
118 #define WL_SCAN_PARAMS_FIXED_SIZE 64
120 /* masks for channel and ssid count */
121 #define WL_SCAN_PARAMS_COUNT_MASK 0x0000ffff
122 #define WL_SCAN_PARAMS_NSSID_SHIFT 16
124 #define WL_SCAN_ACTION_START 1
125 #define WL_SCAN_ACTION_CONTINUE 2
126 #define WL_SCAN_ACTION_ABORT 3
128 #define ISCAN_REQ_VERSION 1
130 /* wl_iscan_results status values */
131 #define WL_SCAN_RESULTS_SUCCESS 0
132 #define WL_SCAN_RESULTS_PARTIAL 1
133 #define WL_SCAN_RESULTS_PENDING 2
134 #define WL_SCAN_RESULTS_ABORTED 3
135 #define WL_SCAN_RESULTS_NO_MEM 4
137 #define MAX_CCA_CHANNELS 38 /* Max number of 20 Mhz wide channels */
138 #define MAX_CCA_SECS 60 /* CCA keeps this many seconds history */
140 #define IBSS_MED 15 /* Mediom in-bss congestion percentage */
141 #define IBSS_HI 25 /* Hi in-bss congestion percentage */
144 #define INTERFER_MED 5
145 #define INTERFER_HI 10
147 #define CCA_FLAG_2G_ONLY 0x01 /* Return a channel from 2.4 Ghz band */
148 #define CCA_FLAG_5G_ONLY 0x02 /* Return a channel from 2.4 Ghz band */
149 #define CCA_FLAG_IGNORE_DURATION 0x04 /* Ignore dwell time for each channel */
150 #define CCA_FLAGS_PREFER_1_6_11 0x10
151 #define CCA_FLAG_IGNORE_INTERFER 0x20 /* do not exlude channel based on interfer level */
153 #define CCA_ERRNO_BAND 1 /* After filtering for band pref, no choices left */
154 #define CCA_ERRNO_DURATION 2 /* After filtering for duration, no choices left */
155 #define CCA_ERRNO_PREF_CHAN 3 /* After filtering for chan pref, no choices left */
156 #define CCA_ERRNO_INTERFER 4 /* After filtering for interference, no choices left */
157 #define CCA_ERRNO_TOO_FEW 5 /* Only 1 channel was input */
159 #define WL_NUM_RPI_BINS 8
160 #define WL_RM_TYPE_BASIC 1
161 #define WL_RM_TYPE_CCA 2
162 #define WL_RM_TYPE_RPI 3
164 #define WL_RM_FLAG_PARALLEL (1<<0)
166 #define WL_RM_FLAG_LATE (1<<1)
167 #define WL_RM_FLAG_INCAPABLE (1<<2)
168 #define WL_RM_FLAG_REFUSED (1<<3)
170 #define WL_SOFT_KEY (1 << 0) /* Indicates this key is using soft encrypt */
171 #define WL_PRIMARY_KEY (1 << 1) /* Indicates this key is the primary (ie tx) key */
172 #define WL_KF_RES_4 (1 << 4) /* Reserved for backward compat */
173 #define WL_KF_RES_5 (1 << 5) /* Reserved for backward compat */
174 #define WL_IBSS_PEER_GROUP_KEY (1 << 6) /* Indicates a group key for a IBSS PEER */
176 #define WLC_IOCTL_SMLEN 256 /* "small" length ioctl buffer required */
177 #define WLC_IOCTL_MEDLEN 1536 /* "med" length ioctl buffer required */
178 #define WLC_IOCTL_MAXLEN 8192
180 #define DHD_IF_VIF 0x01 /* Virtual IF (Hidden from user) */
182 /* optionally set by a module_param_string() */
183 #define MOD_PARAM_PATHLEN 2048
185 /* For supporting multiple interfaces */
186 #define DHD_MAX_IFS 16
187 #define DHD_DEL_IF -0xe
188 #define DHD_BAD_IF -0xf
190 #define DOT11_BSSTYPE_ANY 2
191 #define DOT11_MAX_DEFAULT_KEYS 4
193 enum cust_gpio_modes {
200 /* The level of bus communication with the dongle */
202 DHD_BUS_DOWN, /* Not ready for frame transfers */
203 DHD_BUS_LOAD, /* Download access only (CPU reset) */
204 DHD_BUS_DATA /* Ready for frame transfers */
207 /* Pattern matching filter. Specifies an offset within received packets to
208 * start matching, the pattern to match, the size of the pattern, and a bitmask
209 * that indicates which bits within the pattern should be matched.
211 typedef struct wl_pkt_filter_pattern {
212 u32 offset; /* Offset within received packet to start pattern matching.
213 * Offset '0' is the first byte of the ethernet header.
215 u32 size_bytes; /* Size of the pattern. Bitmask must be the same size. */
216 u8 mask_and_pattern[1]; /* Variable length mask and pattern data. mask starts
217 * at offset 0. Pattern immediately follows mask.
219 } wl_pkt_filter_pattern_t;
221 /* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */
222 typedef struct wl_pkt_filter {
223 u32 id; /* Unique filter id, specified by app. */
224 u32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */
225 u32 negate_match; /* Negate the result of filter matches */
226 union { /* Filter definitions */
227 wl_pkt_filter_pattern_t pattern; /* Pattern matching filter */
231 /* IOVAR "pkt_filter_enable" parameter. */
232 typedef struct wl_pkt_filter_enable {
233 u32 id; /* Unique filter id */
234 u32 enable; /* Enable/disable bool */
235 } wl_pkt_filter_enable_t;
237 /* BSS info structure
238 * Applications MUST CHECK ie_offset field and length field to access IEs and
239 * next bss_info structure in a vector (in wl_scan_results_t)
241 typedef struct wl_bss_info {
242 u32 version; /* version field */
243 u32 length; /* byte length of data in this record,
244 * starting at version and including IEs
247 u16 beacon_period; /* units are Kusec */
248 u16 capability; /* Capability information */
252 uint count; /* # rates in this set */
253 u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */
254 } rateset; /* supported rates */
255 chanspec_t chanspec; /* chanspec for bss */
256 u16 atim_window; /* units are Kusec */
257 u8 dtim_period; /* DTIM period */
258 s16 RSSI; /* receive signal strength (in dBm) */
259 s8 phy_noise; /* noise (in dBm) */
261 u8 n_cap; /* BSS is 802.11N Capable */
262 u32 nbss_cap; /* 802.11N BSS Capabilities (based on HT_CAP_*) */
263 u8 ctl_ch; /* 802.11N BSS control channel number */
264 u32 reserved32[1]; /* Reserved for expansion of BSS properties */
265 u8 flags; /* flags */
266 u8 reserved[3]; /* Reserved for expansion of BSS properties */
267 u8 basic_mcs[MCSSET_LEN]; /* 802.11N BSS required MCS set */
269 u16 ie_offset; /* offset at which IEs start, from beginning */
270 u32 ie_length; /* byte length of Information Elements */
271 s16 SNR; /* average SNR of during frame reception */
272 /* Add new fields here */
273 /* variable length Information Elements */
276 typedef struct wlc_ssid {
278 unsigned char SSID[32];
281 typedef struct wl_scan_params {
282 wlc_ssid_t ssid; /* default: {0, ""} */
283 u8 bssid[ETH_ALEN]; /* default: bcast */
284 s8 bss_type; /* default: any,
285 * DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT
287 u8 scan_type; /* flags, 0 use default */
288 s32 nprobes; /* -1 use default, number of probes per channel */
289 s32 active_time; /* -1 use default, dwell time per channel for
292 s32 passive_time; /* -1 use default, dwell time per channel
293 * for passive scanning
295 s32 home_time; /* -1 use default, dwell time for the home channel
296 * between channel scans
298 s32 channel_num; /* count of channels and ssids that follow
300 * low half is count of channels in channel_list, 0
301 * means default (use all available channels)
303 * high half is entries in wlc_ssid_t array that
304 * follows channel_list, aligned for s32 (4 bytes)
305 * meaning an odd channel count implies a 2-byte pad
306 * between end of channel_list and first ssid
308 * if ssid count is zero, single ssid in the fixed
309 * parameter portion is assumed, otherwise ssid in
310 * the fixed portion is ignored
312 u16 channel_list[1]; /* list of chanspecs */
315 /* incremental scan struct */
316 typedef struct wl_iscan_params {
320 wl_scan_params_t params;
323 /* 3 fields + size of wl_scan_params, not including variable length array */
324 #define WL_ISCAN_PARAMS_FIXED_SIZE (offsetof(wl_iscan_params_t, params) + sizeof(wlc_ssid_t))
326 typedef struct wl_scan_results {
330 wl_bss_info_t bss_info[1];
333 typedef struct wl_rateset_args {
334 u32 count; /* # rates in this set */
335 u8 rates[WL_NUMRATES]; /* rates in 500kbps units w/hi bit set if basic */
336 u8 mcs[MCSSET_LEN]; /* supported mcs index bit map */
340 typedef struct wl_u32_list {
341 /* in - # of elements, out - # of entries */
343 /* variable length u32 list */
347 /* used for association with a specific BSSID and chanspec list */
348 typedef struct wl_assoc_params {
349 u8 bssid[ETH_ALEN]; /* 00:00:00:00:00:00: broadcast scan */
350 s32 chanspec_num; /* 0: all available channels,
351 * otherwise count of chanspecs in chanspec_list
353 chanspec_t chanspec_list[1]; /* list of chanspecs */
355 #define WL_ASSOC_PARAMS_FIXED_SIZE (sizeof(wl_assoc_params_t) - sizeof(chanspec_t))
357 /* used for reassociation/roam to a specific BSSID and channel */
358 typedef wl_assoc_params_t wl_reassoc_params_t;
359 #define WL_REASSOC_PARAMS_FIXED_SIZE WL_ASSOC_PARAMS_FIXED_SIZE
361 /* used for join with or without a specific bssid and channel list */
362 typedef struct wl_join_params {
364 wl_assoc_params_t params; /* optional field, but it must include the fixed portion
365 * of the wl_assoc_params_t struct when it does present.
368 #define WL_JOIN_PARAMS_FIXED_SIZE (sizeof(wl_join_params_t) - sizeof(chanspec_t))
370 /* size of wl_scan_results not including variable length array */
371 #define WL_SCAN_RESULTS_FIXED_SIZE (sizeof(wl_scan_results_t) - sizeof(wl_bss_info_t))
373 /* incremental scan results struct */
374 typedef struct wl_iscan_results {
376 wl_scan_results_t results;
377 } wl_iscan_results_t;
379 /* size of wl_iscan_results not including variable length array */
380 #define WL_ISCAN_RESULTS_FIXED_SIZE \
381 (WL_SCAN_RESULTS_FIXED_SIZE + offsetof(wl_iscan_results_t, results))
384 u32 duration; /* millisecs spent sampling this channel */
385 u32 congest_ibss; /* millisecs in our bss (presumably this traffic will */
386 /* move if cur bss moves channels) */
387 u32 congest_obss; /* traffic not in our bss */
388 u32 interference; /* millisecs detecting a non 802.11 interferer. */
389 u32 timestamp; /* second timestamp */
393 chanspec_t chanspec; /* Which channel? */
394 u8 num_secs; /* How many secs worth of data */
395 cca_congest_t secs[1]; /* Data */
396 } cca_congest_channel_req_t;
398 typedef struct wl_country {
399 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* nul-terminated country code used in
402 s32 rev; /* revision specifier for ccode
403 * on set, -1 indicates unspecified.
406 char ccode[WLC_CNTRY_BUF_SZ]; /* nul-terminated built-in country code.
407 * variable length, but fixed size in
408 * struct allows simple allocation for
409 * expected country strings <= 3 chars.
413 typedef struct wl_channels_in_country {
416 char country_abbrev[WLC_CNTRY_BUF_SZ];
419 } wl_channels_in_country_t;
421 typedef struct wl_country_list {
426 char country_abbrev[1];
429 typedef struct wl_rm_req_elt {
433 u32 token; /* token for this measurement */
434 u32 tsf_h; /* TSF high 32-bits of Measurement start time */
435 u32 tsf_l; /* TSF low 32-bits */
439 typedef struct wl_rm_req {
440 u32 token; /* overall measurement set token */
441 u32 count; /* number of measurement requests */
442 void *cb; /* completion callback function: may be NULL */
443 void *cb_arg; /* arg to completion callback function */
444 wl_rm_req_elt_t req[1]; /* variable length block of requests */
446 #define WL_RM_REQ_FIXED_LEN offsetof(wl_rm_req_t, req)
448 typedef struct wl_rm_rep_elt {
452 u32 token; /* token for this measurement */
453 u32 tsf_h; /* TSF high 32-bits of Measurement start time */
454 u32 tsf_l; /* TSF low 32-bits */
456 u32 len; /* byte length of data block */
457 u8 data[1]; /* variable length data block */
459 #define WL_RM_REP_ELT_FIXED_LEN 24 /* length excluding data block */
461 #define WL_RPI_REP_BIN_NUM 8
462 typedef struct wl_rm_rpi_rep {
463 u8 rpi[WL_RPI_REP_BIN_NUM];
464 s8 rpi_max[WL_RPI_REP_BIN_NUM];
467 typedef struct wl_rm_rep {
468 u32 token; /* overall measurement set token */
469 u32 len; /* length of measurement report block */
470 wl_rm_rep_elt_t rep[1]; /* variable length block of reports */
472 #define WL_RM_REP_FIXED_LEN 8
474 typedef struct wl_wsec_key {
475 u32 index; /* key index */
476 u32 len; /* key length */
477 u8 data[WLAN_MAX_KEY_LEN]; /* key data */
479 u32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
480 u32 flags; /* misc flags */
483 int iv_initialized; /* has IV been initialized already? */
487 u32 hi; /* upper 32 bits of IV */
488 u16 lo; /* lower 16 bits of IV */
491 u8 ea[ETH_ALEN]; /* per station */
494 /* Used to get specific STA parameters */
500 /* channel encoding */
501 typedef struct channel_info {
507 /* Linux network driver ioctl encoding */
508 typedef struct wl_ioctl {
509 uint cmd; /* common ioctl definition */
510 void *buf; /* pointer to user buffer */
511 uint len; /* length of user buffer */
512 u8 set; /* get or set request (optional) */
513 uint used; /* bytes read or written (optional) */
514 uint needed; /* bytes needed (optional) */
517 /* Common structure for module and instance linkage */
518 typedef struct dhd_pub {
519 /* Linkage ponters */
520 struct dhd_bus *bus; /* Bus module handle */
521 struct dhd_prot *prot; /* Protocol module handle */
522 struct dhd_info *info; /* Info module handle */
524 /* Internal dhd items */
525 bool up; /* Driver up/down (to OS) */
526 bool txoff; /* Transmit flow-controlled */
527 bool dongle_reset; /* true = DEVRESET put dongle into reset */
528 enum dhd_bus_state busstate;
529 uint hdrlen; /* Total DHD header length (proto + bus) */
530 uint maxctl; /* Max size rxctl request from proto to bus */
531 uint rxsz; /* Rx buffer size bus module should use */
532 u8 wme_dp; /* wme discard priority */
534 /* Dongle media info */
535 bool iswl; /* Dongle-resident driver is wl */
536 unsigned long drv_version; /* Version of dongle-resident driver */
537 u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */
538 dngl_stats_t dstats; /* Stats for dongle-based data */
540 /* Additional stats for the bus level */
541 unsigned long tx_packets; /* Data packets sent to dongle */
542 unsigned long tx_multicast; /* Multicast data packets sent to dongle */
543 unsigned long tx_errors; /* Errors in sending data to dongle */
544 unsigned long tx_ctlpkts; /* Control packets sent to dongle */
545 unsigned long tx_ctlerrs; /* Errors sending control frames to dongle */
546 unsigned long rx_packets; /* Packets sent up the network interface */
547 unsigned long rx_multicast; /* Multicast packets sent up the network
549 unsigned long rx_errors; /* Errors processing rx data packets */
550 unsigned long rx_ctlpkts; /* Control frames processed from dongle */
551 unsigned long rx_ctlerrs; /* Errors in processing rx control frames */
552 unsigned long rx_dropped; /* Packets dropped locally (no memory) */
553 unsigned long rx_flushed; /* Packets flushed due to
554 unscheduled sendup thread */
555 unsigned long wd_dpc_sched; /* Number of times dhd dpc scheduled by
558 unsigned long rx_readahead_cnt; /* Number of packets where header read-ahead
560 unsigned long tx_realloc; /* Number of tx packets we had to realloc for
562 unsigned long fc_packets; /* Number of flow control pkts recvd */
564 /* Last error return */
568 /* Last error from dongle */
571 /* Suspend disable flag flag */
572 int suspend_disable_flag; /* "1" to disable all extra powersaving
574 int in_suspend; /* flag set to 1 when early suspend called */
576 int pno_enable; /* pno status : "1" is pno enable */
577 #endif /* PNO_SUPPORT */
578 int dtim_skip; /* dtim skip , default 0 means wake each dtim */
580 /* Pkt filter defination */
581 char *pktfilter[100];
584 u8 country_code[WLC_CNTRY_BUF_SZ];
585 char eventmask[WL_EVENTING_MASK_LEN];
589 typedef struct dhd_if_event {
597 u32 limit; /* Expiration time (usec) */
598 u32 increment; /* Current expiration increment (usec) */
599 u32 elapsed; /* Current elapsed time (usec) */
600 u32 tick; /* O/S tick time (usec) */
603 #if defined(CONFIG_PM_SLEEP)
604 extern atomic_t dhd_mmc_suspend;
605 #define DHD_PM_RESUME_WAIT_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a);
606 #define _DHD_PM_RESUME_WAIT(a, b) do { \
608 while (atomic_read(&dhd_mmc_suspend) && retry++ != b) { \
609 wait_event_timeout(a, false, HZ/100); \
612 #define DHD_PM_RESUME_WAIT(a) _DHD_PM_RESUME_WAIT(a, 30)
613 #define DHD_PM_RESUME_WAIT_FOREVER(a) _DHD_PM_RESUME_WAIT(a, ~0)
614 #define DHD_PM_RESUME_RETURN_ERROR(a) \
615 do { if (atomic_read(&dhd_mmc_suspend)) return a; } while (0)
616 #define DHD_PM_RESUME_RETURN do { \
617 if (atomic_read(&dhd_mmc_suspend)) \
621 #define DHD_SPINWAIT_SLEEP_INIT(a) DECLARE_WAIT_QUEUE_HEAD(a);
622 #define SPINWAIT_SLEEP(a, exp, us) do { \
623 uint countdown = (us) + 9999; \
624 while ((exp) && (countdown >= 10000)) { \
625 wait_event_timeout(a, false, HZ/100); \
626 countdown -= 10000; \
632 #define DHD_PM_RESUME_WAIT_INIT(a)
633 #define DHD_PM_RESUME_WAIT(a)
634 #define DHD_PM_RESUME_WAIT_FOREVER(a)
635 #define DHD_PM_RESUME_RETURN_ERROR(a)
636 #define DHD_PM_RESUME_RETURN
638 #define DHD_SPINWAIT_SLEEP_INIT(a)
639 #define SPINWAIT_SLEEP(a, exp, us) do { \
640 uint countdown = (us) + 9; \
641 while ((exp) && (countdown >= 10)) { \
647 #endif /* defined(CONFIG_PM_SLEEP) */
650 * Insmod parameters for debug/test
653 /* Watchdog timer interval */
654 extern uint dhd_watchdog_ms;
656 #if defined(DHD_DEBUG)
657 /* Console output poll interval */
658 extern uint dhd_console_ms;
659 #endif /* defined(DHD_DEBUG) */
662 extern uint dhd_intr;
665 extern uint dhd_poll;
667 /* ARP offload agent mode */
668 extern uint dhd_arp_mode;
670 /* ARP offload enable */
671 extern uint dhd_arp_enable;
673 /* Pkt filte enable control */
674 extern uint dhd_pkt_filter_enable;
676 /* Pkt filter init setup */
677 extern uint dhd_pkt_filter_init;
679 /* Pkt filter mode control */
680 extern uint dhd_master_mode;
682 /* Roaming mode control */
683 extern uint dhd_roam;
685 /* Roaming mode control */
686 extern uint dhd_radio_up;
688 /* Initial idletime ticks (may be -1 for immediate idle, 0 for no idle) */
689 extern int dhd_idletime;
690 #define DHD_IDLETIME_TICKS 1
692 /* SDIO Drive Strength */
693 extern uint dhd_sdiod_drive_strength;
695 /* Override to force tx queueing all the time */
696 extern uint dhd_force_tx_queueing;
699 /* Echo packet generator (SDIO), pkts/s */
700 extern uint dhd_pktgen;
702 /* Echo packet len (0 => sawtooth, max 1800) */
703 extern uint dhd_pktgen_len;
704 #define MAX_PKTGEN_LEN 1800
707 extern char fw_path[MOD_PARAM_PATHLEN];
708 extern char nv_path[MOD_PARAM_PATHLEN];
710 extern u32 g_assert_type;
712 static inline void MUTEX_LOCK_INIT(dhd_pub_t *dhdp)
716 static inline void MUTEX_LOCK(dhd_pub_t *dhdp)
720 static inline void MUTEX_UNLOCK(dhd_pub_t *dhdp)
724 static inline void MUTEX_LOCK_SOFTAP_SET_INIT(dhd_pub_t *dhdp)
728 static inline void MUTEX_LOCK_SOFTAP_SET(dhd_pub_t *dhdp)
732 static inline void MUTEX_UNLOCK_SOFTAP_SET(dhd_pub_t *dhdp)
736 static inline void MUTEX_LOCK_WL_SCAN_SET_INIT(void)
740 static inline void MUTEX_LOCK_WL_SCAN_SET(void)
744 static inline void MUTEX_UNLOCK_WL_SCAN_SET(void)
749 * Exported from dhd OS modules (dhd_linux/dhd_ndis)
752 /* Indication from bus module regarding presence/insertion of dongle.
753 * Return dhd_pub_t pointer, used as handle to OS module in later calls.
754 * Returned structure should have bus and prot pointers filled in.
755 * bus_hdrlen specifies required headroom for bus module header.
757 extern dhd_pub_t *dhd_attach(struct dhd_bus *bus,
759 extern int dhd_net_attach(dhd_pub_t *dhdp, int idx);
761 /* Indication from bus module regarding removal/absence of dongle */
762 extern void dhd_detach(dhd_pub_t *dhdp);
764 /* Indication from bus module to change flow-control state */
765 extern void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool on);
767 extern bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q,
768 struct sk_buff *pkt, int prec);
770 /* Receive frame for delivery to OS. Callee disposes of rxp. */
771 extern void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx,
772 struct sk_buff *rxp, int numpkt);
774 /* Return pointer to interface name */
775 extern char *dhd_ifname(dhd_pub_t *dhdp, int idx);
777 /* Request scheduling of the bus dpc */
778 extern void dhd_sched_dpc(dhd_pub_t *dhdp);
780 /* Notify tx completion */
781 extern void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success);
784 extern int dhdcdc_query_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf,
787 /* OS independent layer functions */
788 extern int dhd_os_proto_block(dhd_pub_t *pub);
789 extern int dhd_os_proto_unblock(dhd_pub_t *pub);
790 extern int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition,
792 extern int dhd_os_ioctl_resp_wake(dhd_pub_t *pub);
793 extern unsigned int dhd_os_get_ioctl_resp_timeout(void);
794 extern void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec);
795 extern void *dhd_os_open_image(char *filename);
796 extern int dhd_os_get_image_block(char *buf, int len, void *image);
797 extern void dhd_os_close_image(void *image);
798 extern void dhd_os_wd_timer(void *bus, uint wdtick);
799 extern void dhd_os_sdlock(dhd_pub_t *pub);
800 extern void dhd_os_sdunlock(dhd_pub_t *pub);
801 extern void dhd_os_sdlock_txq(dhd_pub_t *pub);
802 extern void dhd_os_sdunlock_txq(dhd_pub_t *pub);
803 extern void dhd_os_sdlock_rxq(dhd_pub_t *pub);
804 extern void dhd_os_sdunlock_rxq(dhd_pub_t *pub);
805 extern void dhd_os_sdlock_sndup_rxq(dhd_pub_t *pub);
806 extern void dhd_customer_gpio_wlan_ctrl(int onoff);
807 extern int dhd_custom_get_mac_address(unsigned char *buf);
808 extern void dhd_os_sdunlock_sndup_rxq(dhd_pub_t *pub);
809 extern void dhd_os_sdlock_eventq(dhd_pub_t *pub);
810 extern void dhd_os_sdunlock_eventq(dhd_pub_t *pub);
812 extern int write_to_file(dhd_pub_t *dhd, u8 *buf, int size);
813 #endif /* DHD_DEBUG */
814 #if defined(OOB_INTR_ONLY)
815 extern int dhd_customer_oob_irq_map(unsigned long *irq_flags_ptr);
816 #endif /* defined(OOB_INTR_ONLY) */
817 extern void dhd_os_sdtxlock(dhd_pub_t *pub);
818 extern void dhd_os_sdtxunlock(dhd_pub_t *pub);
820 int setScheduler(struct task_struct *p, int policy, struct sched_param *param);
822 extern void dhd_timeout_start(dhd_timeout_t *tmo, uint usec);
823 extern int dhd_timeout_expired(dhd_timeout_t *tmo);
825 extern int dhd_ifname2idx(struct dhd_info *dhd, char *name);
826 extern u8 *dhd_bssidx2bssid(dhd_pub_t *dhd, int idx);
827 extern int wl_host_event(struct dhd_info *dhd, int *idx, void *pktdata,
828 wl_event_msg_t *, void **data_ptr);
830 extern void dhd_common_init(void);
832 extern int dhd_add_if(struct dhd_info *dhd, int ifidx, void *handle,
833 char *name, u8 *mac_addr, u32 flags, u8 bssidx);
834 extern void dhd_del_if(struct dhd_info *dhd, int ifidx);
836 extern void dhd_vif_add(struct dhd_info *dhd, int ifidx, char *name);
837 extern void dhd_vif_del(struct dhd_info *dhd, int ifidx);
839 extern void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx);
840 extern void dhd_vif_sendup(struct dhd_info *dhd, int ifidx, unsigned char * cp,
843 /* Send packet to dongle via data channel */
844 extern int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pkt);
846 /* Send event to host */
847 extern void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event,
849 extern int dhd_bus_devreset(dhd_pub_t *dhdp, u8 flag);
850 extern uint dhd_bus_status(dhd_pub_t *dhdp);
851 extern int dhd_bus_start(dhd_pub_t *dhdp);
853 extern void dhd_wait_for_event(dhd_pub_t *dhd, bool * lockvar);
854 extern void dhd_wait_event_wakeup(dhd_pub_t *dhd);
857 #define ASSERT(exp) \
858 do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
859 extern void osl_assert(char *exp, char *file, int line);
861 #define ASSERT(exp) do {} while (0)
862 #endif /* defined(BCMDBG) */
864 /* Linux network driver ioctl encoding */
865 typedef struct dhd_ioctl {
866 uint cmd; /* common ioctl definition */
867 void *buf; /* pointer to user buffer */
868 uint len; /* length of user buffer */
869 bool set; /* get or set request (optional) */
870 uint used; /* bytes read or written (optional) */
871 uint needed; /* bytes needed (optional) */
872 uint driver; /* to identify target driver */
875 /* per-driver magic numbers */
876 #define DHD_IOCTL_MAGIC 0x00444944
878 /* bump this number if you change the ioctl interface */
879 #define DHD_IOCTL_VERSION 1
881 #define DHD_IOCTL_MAXLEN 8192 /* max length ioctl buffer required */
882 #define DHD_IOCTL_SMLEN 256 /* "small" length ioctl buffer required */
884 /* common ioctl definitions */
885 #define DHD_GET_MAGIC 0
886 #define DHD_GET_VERSION 1
887 #define DHD_GET_VAR 2
888 #define DHD_SET_VAR 3
891 #define DHD_ERROR_VAL 0x0001
892 #define DHD_TRACE_VAL 0x0002
893 #define DHD_INFO_VAL 0x0004
894 #define DHD_DATA_VAL 0x0008
895 #define DHD_CTL_VAL 0x0010
896 #define DHD_TIMER_VAL 0x0020
897 #define DHD_HDRS_VAL 0x0040
898 #define DHD_BYTES_VAL 0x0080
899 #define DHD_INTR_VAL 0x0100
900 #define DHD_LOG_VAL 0x0200
901 #define DHD_GLOM_VAL 0x0400
902 #define DHD_EVENT_VAL 0x0800
903 #define DHD_BTA_VAL 0x1000
904 #define DHD_ISCAN_VAL 0x2000
907 /* For pktgen iovar */
908 typedef struct dhd_pktgen {
909 uint version; /* To allow structure change tracking */
910 uint freq; /* Max ticks between tx/rx attempts */
911 uint count; /* Test packets to send/rcv each attempt */
912 uint print; /* Print counts every <print> attempts */
913 uint total; /* Total packets (or bursts) */
914 uint minlen; /* Minimum length of packets to send */
915 uint maxlen; /* Maximum length of packets to send */
916 uint numsent; /* Count of test packets sent */
917 uint numrcvd; /* Count of test packets received */
918 uint numfail; /* Count of test send failures */
919 uint mode; /* Test mode (type of test packets) */
920 uint stop; /* Stop after this many tx failures */
923 /* Version in case structure changes */
924 #define DHD_PKTGEN_VERSION 2
926 /* Type of test packets to use */
927 #define DHD_PKTGEN_ECHO 1 /* Send echo requests */
928 #define DHD_PKTGEN_SEND 2 /* Send discard packets */
929 #define DHD_PKTGEN_RXBURST 3 /* Request dongle send N packets */
930 #define DHD_PKTGEN_RECV 4 /* Continuous rx from continuous
934 /* Enter idle immediately (no timeout) */
935 #define DHD_IDLE_IMMEDIATE (-1)
937 /* Values for idleclock iovar: other values are the sd_divisor to use
939 #define DHD_IDLE_ACTIVE 0 /* Do not request any SD clock change
941 #define DHD_IDLE_STOP (-1) /* Request SD clock be stopped
942 (and use SD1 mode) */