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.
16 #include <linux/kernel.h>
17 #include <linux/ctype.h>
25 #include <bcmendian.h>
26 #include <proto/wpa.h>
38 #include <wlc_bsscfg.h>
39 #include <wlc_channel.h>
40 #include <wlc_event.h>
41 #include <wlc_mac80211.h>
44 #include <wlc_phy_hal.h>
45 #include <wlc_phy_shim.h>
46 #include <wlc_antsel.h>
48 #include <wlc_ampdu.h>
49 #include <wlc_event.h>
50 #include <wl_export.h>
51 #include "d11ucode_ext.h"
52 #include <wlc_alloc.h>
53 #include <net/mac80211.h>
58 * buffer length needed for wlc_format_ssid
59 * 32 SSID chars, max of 4 chars for each SSID char "\xFF", plus NULL.
61 #define SSID_FMT_BUF_LEN ((4 * DOT11_MAX_SSID_LEN) + 1)
63 #define TIMER_INTERVAL_WATCHDOG 1000 /* watchdog timer, in unit of ms */
64 #define TIMER_INTERVAL_RADIOCHK 800 /* radio monitor timer, in unit of ms */
66 #ifndef WLC_MPC_MAX_DELAYCNT
67 #define WLC_MPC_MAX_DELAYCNT 10 /* Max MPC timeout, in unit of watchdog */
69 #define WLC_MPC_MIN_DELAYCNT 1 /* Min MPC timeout, in unit of watchdog */
70 #define WLC_MPC_THRESHOLD 3 /* MPC count threshold level */
72 #define BEACON_INTERVAL_DEFAULT 100 /* beacon interval, in unit of 1024TU */
73 #define DTIM_INTERVAL_DEFAULT 3 /* DTIM interval, in unit of beacon interval */
75 /* Scale down delays to accommodate QT slow speed */
76 #define BEACON_INTERVAL_DEF_QT 20 /* beacon interval, in unit of 1024TU */
77 #define DTIM_INTERVAL_DEF_QT 1 /* DTIM interval, in unit of beacon interval */
79 #define TBTT_ALIGN_LEEWAY_US 100 /* min leeway before first TBTT in us */
82 * driver maintains internal 'tick'(wlc->pub->now) which increments in 1s OS timer(soft
83 * watchdog) it is not a wall clock and won't increment when driver is in "down" state
84 * this low resolution driver tick can be used for maintenance tasks such as phy
85 * calibration and scb update
88 /* watchdog trigger mode: OSL timer or TBTT */
89 #define WLC_WATCHDOG_TBTT(wlc) \
90 (wlc->stas_associated > 0 && wlc->PM != PM_OFF && wlc->pub->align_wd_tbtt)
92 /* To inform the ucode of the last mcast frame posted so that it can clear moredata bit */
93 #define BCMCFID(wlc, fid) wlc_bmac_write_shm((wlc)->hw, M_BCMC_FID, (fid))
95 #define WLC_WAR16165(wlc) (wlc->pub->sih->bustype == PCI_BUS && \
96 (!AP_ENAB(wlc->pub)) && (wlc->war16165))
106 /* Find basic rate for a given rate */
107 #define WLC_BASIC_RATE(wlc, rspec) (IS_MCS(rspec) ? \
108 (wlc)->band->basic_rate[mcs_table[rspec & RSPEC_RATE_MASK].leg_ofdm] : \
109 (wlc)->band->basic_rate[rspec & RSPEC_RATE_MASK])
111 #define FRAMETYPE(r, mimoframe) (IS_MCS(r) ? mimoframe : (IS_CCK(r) ? FT_CCK : FT_OFDM))
113 #define RFDISABLE_DEFAULT 10000000 /* rfdisable delay timer 500 ms, runs of ALP clock */
115 #define WLC_TEMPSENSE_PERIOD 10 /* 10 second timeout */
117 #define SCAN_IN_PROGRESS(x) 0
119 #define EPI_VERSION_NUM 0x054b0b00
122 /* pointer to most recently allocated wl/wlc */
123 static wlc_info_t
*wlc_info_dbg
= (wlc_info_t
*) (NULL
);
128 /* Parameter IDs, for use only internally to wlc -- in the wlc_iovars
129 * table and by the wlc_doiovar() function. No ordering is imposed:
130 * the table is keyed by name, and the function uses a switch.
135 IOV_BCN_LI_BCN
, /* Beacon listen interval in # of beacons */
136 IOV_LAST
/* In case of a need to check max ID number */
139 const bcm_iovar_t wlc_iovars
[] = {
140 {"mpc", IOV_MPC
, (IOVF_OPEN_ALLOW
), IOVT_BOOL
, 0},
141 {"qtxpower", IOV_QTXPOWER
, (IOVF_WHL
| IOVF_OPEN_ALLOW
), IOVT_UINT32
,
143 {"bcn_li_bcn", IOV_BCN_LI_BCN
, 0, IOVT_UINT8
, 0},
147 const u8 prio2fifo
[NUMPRIO
] = {
148 TX_AC_BE_FIFO
, /* 0 BE AC_BE Best Effort */
149 TX_AC_BK_FIFO
, /* 1 BK AC_BK Background */
150 TX_AC_BK_FIFO
, /* 2 -- AC_BK Background */
151 TX_AC_BE_FIFO
, /* 3 EE AC_BE Best Effort */
152 TX_AC_VI_FIFO
, /* 4 CL AC_VI Video */
153 TX_AC_VI_FIFO
, /* 5 VI AC_VI Video */
154 TX_AC_VO_FIFO
, /* 6 VO AC_VO Voice */
155 TX_AC_VO_FIFO
/* 7 NC AC_VO Voice */
158 /* precedences numbers for wlc queues. These are twice as may levels as
160 * Odd numbers are used for HI priority traffic at same precedence levels
161 * These constants are used ONLY by wlc_prio2prec_map. Do not use them elsewhere.
163 #define _WLC_PREC_NONE 0 /* None = - */
164 #define _WLC_PREC_BK 2 /* BK - Background */
165 #define _WLC_PREC_BE 4 /* BE - Best-effort */
166 #define _WLC_PREC_EE 6 /* EE - Excellent-effort */
167 #define _WLC_PREC_CL 8 /* CL - Controlled Load */
168 #define _WLC_PREC_VI 10 /* Vi - Video */
169 #define _WLC_PREC_VO 12 /* Vo - Voice */
170 #define _WLC_PREC_NC 14 /* NC - Network Control */
172 /* 802.1D Priority to precedence queue mapping */
173 const u8 wlc_prio2prec_map
[] = {
174 _WLC_PREC_BE
, /* 0 BE - Best-effort */
175 _WLC_PREC_BK
, /* 1 BK - Background */
176 _WLC_PREC_NONE
, /* 2 None = - */
177 _WLC_PREC_EE
, /* 3 EE - Excellent-effort */
178 _WLC_PREC_CL
, /* 4 CL - Controlled Load */
179 _WLC_PREC_VI
, /* 5 Vi - Video */
180 _WLC_PREC_VO
, /* 6 Vo - Voice */
181 _WLC_PREC_NC
, /* 7 NC - Network Control */
184 /* Sanity check for tx_prec_map and fifo synchup
185 * Either there are some packets pending for the fifo, else if fifo is empty then
186 * all the corresponding precmap bits should be set
188 #define WLC_TX_FIFO_CHECK(wlc, fifo) (TXPKTPENDGET((wlc), (fifo)) || \
189 (TXPKTPENDGET((wlc), (fifo)) == 0 && \
190 ((wlc)->tx_prec_map & (wlc)->fifo2prec_map[(fifo)]) == \
191 (wlc)->fifo2prec_map[(fifo)]))
193 /* TX FIFO number to WME/802.1E Access Category */
194 const u8 wme_fifo2ac
[] = { AC_BK
, AC_BE
, AC_VI
, AC_VO
, AC_BE
, AC_BE
};
196 /* WME/802.1E Access Category to TX FIFO number */
197 static const u8 wme_ac2fifo
[] = { 1, 0, 2, 3 };
199 static bool in_send_q
= false;
201 /* Shared memory location index for various AC params */
202 #define wme_shmemacindex(ac) wme_ac2fifo[ac]
205 static const char *fifo_names
[] = {
206 "AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" };
207 const char *aci_names
[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
210 static const u8 acbitmap2maxprio
[] = {
211 PRIO_8021D_BE
, PRIO_8021D_BE
, PRIO_8021D_BK
, PRIO_8021D_BK
,
212 PRIO_8021D_VI
, PRIO_8021D_VI
, PRIO_8021D_VI
, PRIO_8021D_VI
,
213 PRIO_8021D_VO
, PRIO_8021D_VO
, PRIO_8021D_VO
, PRIO_8021D_VO
,
214 PRIO_8021D_VO
, PRIO_8021D_VO
, PRIO_8021D_VO
, PRIO_8021D_VO
217 /* currently the best mechanism for determining SIFS is the band in use */
218 #define SIFS(band) ((band)->bandtype == WLC_BAND_5G ? APHY_SIFS_TIME : BPHY_SIFS_TIME);
220 /* value for # replay counters currently supported */
221 #define WLC_REPLAY_CNTRS_VALUE WPA_CAP_16_REPLAY_CNTRS
223 /* local prototypes */
224 static u16 BCMFASTPATH
wlc_d11hdrs_mac80211(wlc_info_t
*wlc
,
225 struct ieee80211_hw
*hw
,
227 struct scb
*scb
, uint frag
,
228 uint nfrags
, uint queue
,
231 ratespec_t rspec_override
);
233 static void wlc_bss_default_init(wlc_info_t
*wlc
);
234 static void wlc_ucode_mac_upd(wlc_info_t
*wlc
);
235 static ratespec_t
mac80211_wlc_set_nrate(wlc_info_t
*wlc
, wlcband_t
*cur_band
,
237 static void wlc_tx_prec_map_init(wlc_info_t
*wlc
);
238 static void wlc_watchdog(void *arg
);
239 static void wlc_watchdog_by_timer(void *arg
);
240 static int wlc_set_rateset(wlc_info_t
*wlc
, wlc_rateset_t
*rs_arg
);
241 static int wlc_iovar_rangecheck(wlc_info_t
*wlc
, u32 val
,
242 const bcm_iovar_t
*vi
);
243 static u8
wlc_local_constraint_qdbm(wlc_info_t
*wlc
);
245 /* send and receive */
246 static wlc_txq_info_t
*wlc_txq_alloc(wlc_info_t
*wlc
, struct osl_info
*osh
);
247 static void wlc_txq_free(wlc_info_t
*wlc
, struct osl_info
*osh
,
249 static void wlc_txflowcontrol_signal(wlc_info_t
*wlc
, wlc_txq_info_t
*qi
,
251 static void wlc_txflowcontrol_reset(wlc_info_t
*wlc
);
252 static u16
wlc_compute_airtime(wlc_info_t
*wlc
, ratespec_t rspec
,
254 static void wlc_compute_cck_plcp(ratespec_t rate
, uint length
, u8
*plcp
);
255 static void wlc_compute_ofdm_plcp(ratespec_t rate
, uint length
, u8
*plcp
);
256 static void wlc_compute_mimo_plcp(ratespec_t rate
, uint length
, u8
*plcp
);
257 static u16
wlc_compute_frame_dur(wlc_info_t
*wlc
, ratespec_t rate
,
258 u8 preamble_type
, uint next_frag_len
);
259 static void wlc_recvctl(wlc_info_t
*wlc
, struct osl_info
*osh
, d11rxhdr_t
*rxh
,
261 static uint
wlc_calc_frame_len(wlc_info_t
*wlc
, ratespec_t rate
,
262 u8 preamble_type
, uint dur
);
263 static uint
wlc_calc_ack_time(wlc_info_t
*wlc
, ratespec_t rate
,
265 static uint
wlc_calc_cts_time(wlc_info_t
*wlc
, ratespec_t rate
,
267 /* interrupt, up/down, band */
268 static void wlc_setband(wlc_info_t
*wlc
, uint bandunit
);
269 static chanspec_t
wlc_init_chanspec(wlc_info_t
*wlc
);
270 static void wlc_bandinit_ordered(wlc_info_t
*wlc
, chanspec_t chanspec
);
271 static void wlc_bsinit(wlc_info_t
*wlc
);
272 static int wlc_duty_cycle_set(wlc_info_t
*wlc
, int duty_cycle
, bool isOFDM
,
274 static void wlc_radio_hwdisable_upd(wlc_info_t
*wlc
);
275 static bool wlc_radio_monitor_start(wlc_info_t
*wlc
);
276 static void wlc_radio_timer(void *arg
);
277 static void wlc_radio_enable(wlc_info_t
*wlc
);
278 static void wlc_radio_upd(wlc_info_t
*wlc
);
280 /* scan, association, BSS */
281 static uint
wlc_calc_ba_time(wlc_info_t
*wlc
, ratespec_t rate
,
283 static void wlc_update_mimo_band_bwcap(wlc_info_t
*wlc
, u8 bwcap
);
284 static void wlc_ht_update_sgi_rx(wlc_info_t
*wlc
, int val
);
285 void wlc_ht_mimops_cap_update(wlc_info_t
*wlc
, u8 mimops_mode
);
286 static void wlc_ht_update_ldpc(wlc_info_t
*wlc
, s8 val
);
287 static void wlc_war16165(wlc_info_t
*wlc
, bool tx
);
289 static void wlc_process_eventq(void *arg
);
290 static void wlc_wme_retries_write(wlc_info_t
*wlc
);
291 static bool wlc_attach_stf_ant_init(wlc_info_t
*wlc
);
292 static uint
wlc_attach_module(wlc_info_t
*wlc
);
293 static void wlc_detach_module(wlc_info_t
*wlc
);
294 static void wlc_timers_deinit(wlc_info_t
*wlc
);
295 static void wlc_down_led_upd(wlc_info_t
*wlc
);
296 static uint
wlc_down_del_timer(wlc_info_t
*wlc
);
297 static void wlc_ofdm_rateset_war(wlc_info_t
*wlc
);
298 static int _wlc_ioctl(wlc_info_t
*wlc
, int cmd
, void *arg
, int len
,
299 struct wlc_if
*wlcif
);
302 void wlc_get_rcmta(wlc_info_t
*wlc
, int idx
, struct ether_addr
*addr
)
304 d11regs_t
*regs
= wlc
->regs
;
306 struct osl_info
*osh
;
308 WL_TRACE(("wl%d: %s\n", WLCWLUNIT(wlc
), __func__
));
310 ASSERT(wlc
->pub
->corerev
> 4);
314 W_REG(osh
, ®s
->objaddr
, (OBJADDR_RCMTA_SEL
| (idx
* 2)));
315 (void)R_REG(osh
, ®s
->objaddr
);
316 v32
= R_REG(osh
, ®s
->objdata
);
317 addr
->octet
[0] = (u8
) v32
;
318 addr
->octet
[1] = (u8
) (v32
>> 8);
319 addr
->octet
[2] = (u8
) (v32
>> 16);
320 addr
->octet
[3] = (u8
) (v32
>> 24);
321 W_REG(osh
, ®s
->objaddr
, (OBJADDR_RCMTA_SEL
| ((idx
* 2) + 1)));
322 (void)R_REG(osh
, ®s
->objaddr
);
323 v32
= R_REG(osh
, (volatile u16
*)®s
->objdata
);
324 addr
->octet
[4] = (u8
) v32
;
325 addr
->octet
[5] = (u8
) (v32
>> 8);
327 #endif /* defined(BCMDBG) */
329 /* keep the chip awake if needed */
330 bool wlc_stay_awake(wlc_info_t
*wlc
)
335 /* conditions under which the PM bit should be set in outgoing frames and STAY_AWAKE is meaningful
337 bool wlc_ps_allowed(wlc_info_t
*wlc
)
342 /* disallow PS when one of the following global conditions meets */
343 if (!wlc
->pub
->associated
|| !wlc
->PMenabled
|| wlc
->PM_override
)
346 /* disallow PS when one of these meets when not scanning */
347 if (!wlc
->PMblocked
) {
348 if (AP_ACTIVE(wlc
) || wlc
->monitor
)
352 FOREACH_AS_STA(wlc
, idx
, cfg
) {
353 /* disallow PS when one of the following bsscfg specific conditions meets */
354 if (!cfg
->BSS
|| !WLC_PORTOPEN(cfg
))
357 if (!cfg
->dtim_programmed
)
364 void wlc_reset(wlc_info_t
*wlc
)
366 WL_TRACE(("wl%d: wlc_reset\n", wlc
->pub
->unit
));
368 wlc
->check_for_unaligned_tbtt
= false;
370 /* slurp up hw mac counters before core reset */
371 if (WLC_UPDATE_STATS(wlc
)) {
374 /* reset our snapshot of macstat counters */
375 memset((char *)wlc
->core
->macstat_snapshot
, 0,
379 wlc_bmac_reset(wlc
->hw
);
380 wlc_ampdu_reset(wlc
->ampdu
);
385 void wlc_fatal_error(wlc_info_t
*wlc
)
387 WL_ERROR(("wl%d: fatal error, reinitializing\n", wlc
->pub
->unit
));
391 /* Return the channel the driver should initialize during wlc_init.
392 * the channel may have to be changed from the currently configured channel
393 * if other configurations are in conflict (bandlocked, 11n mode disabled,
394 * invalid channel for current country, etc.)
396 static chanspec_t
wlc_init_chanspec(wlc_info_t
*wlc
)
398 chanspec_t chanspec
=
399 1 | WL_CHANSPEC_BW_20
| WL_CHANSPEC_CTL_SB_NONE
|
402 /* make sure the channel is on the supported band if we are band-restricted */
403 if (wlc
->bandlocked
|| NBANDS(wlc
) == 1) {
404 ASSERT(CHSPEC_WLCBANDUNIT(chanspec
) == wlc
->band
->bandunit
);
406 ASSERT(wlc_valid_chanspec_db(wlc
->cmi
, chanspec
));
410 struct scb global_scb
;
412 static void wlc_init_scb(wlc_info_t
*wlc
, struct scb
*scb
)
415 scb
->flags
= SCB_WMECAP
| SCB_HTCAP
;
416 for (i
= 0; i
< NUMPRIO
; i
++)
420 void wlc_init(wlc_info_t
*wlc
)
425 wlc_bsscfg_t
*bsscfg
;
428 WL_TRACE(("wl%d: wlc_init\n", wlc
->pub
->unit
));
432 /* This will happen if a big-hammer was executed. In that case, we want to go back
433 * to the channel that we were on and not new channel
435 if (wlc
->pub
->associated
)
436 chanspec
= wlc
->home_chanspec
;
438 chanspec
= wlc_init_chanspec(wlc
);
440 wlc_bmac_init(wlc
->hw
, chanspec
, mute
);
442 wlc
->seckeys
= wlc_bmac_read_shm(wlc
->hw
, M_SECRXKEYS_PTR
) * 2;
443 if (D11REV_GE(wlc
->pub
->corerev
, 15) && (wlc
->machwcap
& MCAP_TKIPMIC
))
445 wlc_bmac_read_shm(wlc
->hw
, M_TKMICKEYS_PTR
) * 2;
447 /* update beacon listen interval */
450 (u8
) (wlc_bmac_read_shm(wlc
->hw
, M_NOSLPZNATDTIM
) >> 10);
451 ASSERT(wlc
->bcn_wait_prd
> 0);
453 /* the world is new again, so is our reported rate */
454 wlc_reprate_init(wlc
);
456 /* write ethernet address to core */
457 FOREACH_BSS(wlc
, i
, bsscfg
) {
459 wlc_set_bssid(bsscfg
);
462 /* Update tsf_cfprep if associated and up */
463 if (wlc
->pub
->associated
) {
464 FOREACH_BSS(wlc
, i
, bsscfg
) {
468 /* get beacon period from bsscfg and convert to uS */
469 bi
= bsscfg
->current_bss
->beacon_period
<< 10;
470 /* update the tsf_cfprep register */
471 /* since init path would reset to default value */
472 W_REG(wlc
->osh
, ®s
->tsf_cfprep
,
473 (bi
<< CFPREP_CBI_SHIFT
));
475 /* Update maccontrol PM related bits */
476 wlc_set_ps_ctrl(wlc
);
483 wlc_key_hw_init_all(wlc
);
485 wlc_bandinit_ordered(wlc
, chanspec
);
487 wlc_init_scb(wlc
, &global_scb
);
489 /* init probe response timeout */
490 wlc_write_shm(wlc
, M_PRS_MAXTIME
, wlc
->prb_resp_timeout
);
492 /* init max burst txop (framebursting) */
493 wlc_write_shm(wlc
, M_MBURST_TXOP
,
495 _rifs
? (EDCF_AC_VO_TXOP_AP
<< 5) : MAXFRAMEBURST_TXOP
));
497 /* initialize maximum allowed duty cycle */
498 wlc_duty_cycle_set(wlc
, wlc
->tx_duty_cycle_ofdm
, true, true);
499 wlc_duty_cycle_set(wlc
, wlc
->tx_duty_cycle_cck
, false, true);
501 /* Update some shared memory locations related to max AMPDU size allowed to received */
502 wlc_ampdu_shm_upd(wlc
->ampdu
);
504 /* band-specific inits */
507 /* Enable EDCF mode (while the MAC is suspended) */
508 if (EDCF_ENAB(wlc
->pub
)) {
509 OR_REG(wlc
->osh
, ®s
->ifs_ctl
, IFS_USEEDCF
);
510 wlc_edcf_setparams(wlc
->cfg
, false);
513 /* Init precedence maps for empty FIFOs */
514 wlc_tx_prec_map_init(wlc
);
516 /* read the ucode version if we have not yet done so */
517 if (wlc
->ucode_rev
== 0) {
519 wlc_read_shm(wlc
, M_BOM_REV_MAJOR
) << NBITS(u16
);
520 wlc
->ucode_rev
|= wlc_read_shm(wlc
, M_BOM_REV_MINOR
);
523 /* ..now really unleash hell (allow the MAC out of suspend) */
526 /* clear tx flow control */
527 wlc_txflowcontrol_reset(wlc
);
529 /* clear tx data fifo suspends */
530 wlc
->tx_suspended
= false;
532 /* enable the RF Disable Delay timer */
533 if (D11REV_GE(wlc
->pub
->corerev
, 10))
534 W_REG(wlc
->osh
, &wlc
->regs
->rfdisabledly
, RFDISABLE_DEFAULT
);
536 /* initialize mpc delay */
537 wlc
->mpc_delay_off
= wlc
->mpc_dlycnt
= WLC_MPC_MIN_DELAYCNT
;
540 * Initialize WME parameters; if they haven't been set by some other
541 * mechanism (IOVar, etc) then read them from the hardware.
543 if (WLC_WME_RETRY_SHORT_GET(wlc
, 0) == 0) { /* Unintialized; read from HW */
547 for (ac
= 0; ac
< AC_COUNT
; ac
++) {
548 wlc
->wme_retries
[ac
] =
549 wlc_read_shm(wlc
, M_AC_TXLMT_ADDR(ac
));
554 void wlc_mac_bcn_promisc_change(wlc_info_t
*wlc
, bool promisc
)
556 wlc
->bcnmisc_monitor
= promisc
;
557 wlc_mac_bcn_promisc(wlc
);
560 void wlc_mac_bcn_promisc(wlc_info_t
*wlc
)
562 if ((AP_ENAB(wlc
->pub
) && (N_ENAB(wlc
->pub
) || wlc
->band
->gmode
)) ||
563 wlc
->bcnmisc_ibss
|| wlc
->bcnmisc_scan
|| wlc
->bcnmisc_monitor
)
564 wlc_mctrl(wlc
, MCTL_BCNS_PROMISC
, MCTL_BCNS_PROMISC
);
566 wlc_mctrl(wlc
, MCTL_BCNS_PROMISC
, 0);
569 /* set or clear maccontrol bits MCTL_PROMISC and MCTL_KEEPCONTROL */
570 void wlc_mac_promisc(wlc_info_t
*wlc
)
572 u32 promisc_bits
= 0;
574 /* promiscuous mode just sets MCTL_PROMISC
575 * Note: APs get all BSS traffic without the need to set the MCTL_PROMISC bit
576 * since all BSS data traffic is directed at the AP
578 if (PROMISC_ENAB(wlc
->pub
) && !AP_ENAB(wlc
->pub
) && !wlc
->wet
)
579 promisc_bits
|= MCTL_PROMISC
;
581 /* monitor mode needs both MCTL_PROMISC and MCTL_KEEPCONTROL
582 * Note: monitor mode also needs MCTL_BCNS_PROMISC, but that is
583 * handled in wlc_mac_bcn_promisc()
585 if (MONITOR_ENAB(wlc
))
586 promisc_bits
|= MCTL_PROMISC
| MCTL_KEEPCONTROL
;
588 wlc_mctrl(wlc
, MCTL_PROMISC
| MCTL_KEEPCONTROL
, promisc_bits
);
591 /* check if hps and wake states of sw and hw are in sync */
592 bool wlc_ps_check(wlc_info_t
*wlc
)
598 if (!AP_ACTIVE(wlc
)) {
600 tmp
= R_REG(wlc
->osh
, &wlc
->regs
->maccontrol
);
602 /* If deviceremoved is detected, then don't take any action as this can be called
603 * in any context. Assume that caller will take care of the condition. This is just
606 if (tmp
== 0xffffffff) {
607 WL_ERROR(("wl%d: %s: dead chip\n", wlc
->pub
->unit
,
609 return DEVICEREMOVED(wlc
);
612 hps
= PS_ALLOWED(wlc
);
614 if (hps
!= ((tmp
& MCTL_HPS
) != 0)) {
617 WL_ERROR(("wl%d: hps not sync, sw %d, maccontrol 0x%x\n", wlc
->pub
->unit
, hps
, tmp
));
618 FOREACH_BSS(wlc
, idx
, cfg
) {
619 if (!BSSCFG_STA(cfg
))
625 /* For a monolithic build the wake check can be exact since it looks at wake
626 * override bits. The MCTL_WAKE bit should match the 'wake' value.
628 wake
= STAY_AWAKE(wlc
) || wlc
->hw
->wake_override
;
629 wake_ok
= (wake
== ((tmp
& MCTL_WAKE
) != 0));
630 if (hps
&& !wake_ok
) {
631 WL_ERROR(("wl%d: wake not sync, sw %d maccontrol 0x%x\n", wlc
->pub
->unit
, wake
, tmp
));
639 /* push sw hps and wake state through hardware */
640 void wlc_set_ps_ctrl(wlc_info_t
*wlc
)
646 hps
= PS_ALLOWED(wlc
);
647 wake
= hps
? (STAY_AWAKE(wlc
)) : true;
649 WL_TRACE(("wl%d: wlc_set_ps_ctrl: hps %d wake %d\n", wlc
->pub
->unit
,
652 v1
= R_REG(wlc
->osh
, &wlc
->regs
->maccontrol
);
659 wlc_mctrl(wlc
, MCTL_WAKE
| MCTL_HPS
, v2
);
661 awake_before
= ((v1
& MCTL_WAKE
) || ((v1
& MCTL_HPS
) == 0));
663 if (wake
&& !awake_before
)
664 wlc_bmac_wait_for_wake(wlc
->hw
);
669 * Write this BSS config's MAC address to core.
670 * Updates RXE match engine.
672 int wlc_set_mac(wlc_bsscfg_t
*cfg
)
675 wlc_info_t
*wlc
= cfg
->wlc
;
677 if (cfg
== wlc
->cfg
) {
678 /* enter the MAC addr into the RXE match registers */
679 wlc_set_addrmatch(wlc
, RCM_MAC_OFFSET
, &cfg
->cur_etheraddr
);
682 wlc_ampdu_macaddr_upd(wlc
);
687 /* Write the BSS config's BSSID address to core (set_bssid in d11procs.tcl).
688 * Updates RXE match engine.
690 void wlc_set_bssid(wlc_bsscfg_t
*cfg
)
692 wlc_info_t
*wlc
= cfg
->wlc
;
694 /* if primary config, we need to update BSSID in RXE match registers */
695 if (cfg
== wlc
->cfg
) {
696 wlc_set_addrmatch(wlc
, RCM_BSSID_OFFSET
, &cfg
->BSSID
);
698 #ifdef SUPPORT_HWKEYS
699 else if (BSSCFG_STA(cfg
) && cfg
->BSS
) {
700 wlc_rcmta_add_bssid(wlc
, cfg
);
706 * Suspend the the MAC and update the slot timing
707 * for standard 11b/g (20us slots) or shortslot 11g (9us slots).
709 void wlc_switch_shortslot(wlc_info_t
*wlc
, bool shortslot
)
714 ASSERT(wlc
->band
->gmode
);
716 /* use the override if it is set */
717 if (wlc
->shortslot_override
!= WLC_SHORTSLOT_AUTO
)
718 shortslot
= (wlc
->shortslot_override
== WLC_SHORTSLOT_ON
);
720 if (wlc
->shortslot
== shortslot
)
723 wlc
->shortslot
= shortslot
;
725 /* update the capability based on current shortslot mode */
726 FOREACH_BSS(wlc
, idx
, cfg
) {
727 if (!cfg
->associated
)
729 cfg
->current_bss
->capability
&= ~DOT11_CAP_SHORTSLOT
;
731 cfg
->current_bss
->capability
|= DOT11_CAP_SHORTSLOT
;
734 wlc_bmac_set_shortslot(wlc
->hw
, shortslot
);
737 static u8
wlc_local_constraint_qdbm(wlc_info_t
*wlc
)
742 local
= WLC_TXPWR_MAX
;
743 if (wlc
->pub
->associated
&&
744 (wf_chspec_ctlchan(wlc
->chanspec
) ==
745 wf_chspec_ctlchan(wlc
->home_chanspec
))) {
747 /* get the local power constraint if we are on the AP's
748 * channel [802.11h, 7.3.2.13]
750 /* Clamp the value between 0 and WLC_TXPWR_MAX w/o overflowing the target */
752 (wlc
->txpwr_local_max
-
753 wlc
->txpwr_local_constraint
) * WLC_TXPWR_DB_FACTOR
;
754 if (local_max
> 0 && local_max
< WLC_TXPWR_MAX
)
755 return (u8
) local_max
;
763 /* propagate home chanspec to all bsscfgs in case bsscfg->current_bss->chanspec is referenced */
764 void wlc_set_home_chanspec(wlc_info_t
*wlc
, chanspec_t chanspec
)
766 if (wlc
->home_chanspec
!= chanspec
) {
770 wlc
->home_chanspec
= chanspec
;
772 FOREACH_BSS(wlc
, idx
, cfg
) {
773 if (!cfg
->associated
)
775 cfg
->target_bss
->chanspec
= chanspec
;
776 cfg
->current_bss
->chanspec
= chanspec
;
782 static void wlc_set_phy_chanspec(wlc_info_t
*wlc
, chanspec_t chanspec
)
784 /* Save our copy of the chanspec */
785 wlc
->chanspec
= chanspec
;
787 /* Set the chanspec and power limits for this locale after computing
788 * any 11h local tx power constraints.
790 wlc_channel_set_chanspec(wlc
->cmi
, chanspec
,
791 wlc_local_constraint_qdbm(wlc
));
793 if (wlc
->stf
->ss_algosel_auto
)
794 wlc_stf_ss_algo_channel_get(wlc
, &wlc
->stf
->ss_algo_channel
,
797 wlc_stf_ss_update(wlc
, wlc
->band
);
801 void wlc_set_chanspec(wlc_info_t
*wlc
, chanspec_t chanspec
)
804 bool switchband
= false;
805 chanspec_t old_chanspec
= wlc
->chanspec
;
807 if (!wlc_valid_chanspec_db(wlc
->cmi
, chanspec
)) {
808 WL_ERROR(("wl%d: %s: Bad channel %d\n",
809 wlc
->pub
->unit
, __func__
, CHSPEC_CHANNEL(chanspec
)));
810 ASSERT(wlc_valid_chanspec_db(wlc
->cmi
, chanspec
));
814 /* Switch bands if necessary */
815 if (NBANDS(wlc
) > 1) {
816 bandunit
= CHSPEC_WLCBANDUNIT(chanspec
);
817 if (wlc
->band
->bandunit
!= bandunit
|| wlc
->bandinit_pending
) {
819 if (wlc
->bandlocked
) {
820 WL_ERROR(("wl%d: %s: chspec %d band is locked!\n", wlc
->pub
->unit
, __func__
, CHSPEC_CHANNEL(chanspec
)));
823 /* BMAC_NOTE: should the setband call come after the wlc_bmac_chanspec() ?
824 * if the setband updates (wlc_bsinit) use low level calls to inspect and
825 * set state, the state inspected may be from the wrong band, or the
826 * following wlc_bmac_set_chanspec() may undo the work.
828 wlc_setband(wlc
, bandunit
);
832 ASSERT(N_ENAB(wlc
->pub
) || !CHSPEC_IS40(chanspec
));
834 /* sync up phy/radio chanspec */
835 wlc_set_phy_chanspec(wlc
, chanspec
);
837 /* init antenna selection */
838 if (CHSPEC_WLC_BW(old_chanspec
) != CHSPEC_WLC_BW(chanspec
)) {
839 if (WLANTSEL_ENAB(wlc
))
840 wlc_antsel_init(wlc
->asi
);
842 /* Fix the hardware rateset based on bw.
843 * Mainly add MCS32 for 40Mhz, remove MCS 32 for 20Mhz
845 wlc_rateset_bw_mcs_filter(&wlc
->band
->hw_rateset
,
847 mimo_cap_40
? CHSPEC_WLC_BW(chanspec
)
851 /* update some mac configuration since chanspec changed */
852 wlc_ucode_mac_upd(wlc
);
856 static int wlc_get_current_txpwr(wlc_info_t
*wlc
, void *pwr
, uint len
)
858 txpwr_limits_t txpwr
;
860 tx_power_legacy_t
*old_power
= NULL
;
865 if (len
== sizeof(tx_power_legacy_t
))
866 old_power
= (tx_power_legacy_t
*) pwr
;
867 else if (len
< sizeof(tx_power_t
))
868 return BCME_BUFTOOSHORT
;
870 memset(&power
, 0, sizeof(tx_power_t
));
872 power
.chanspec
= WLC_BAND_PI_RADIO_CHANSPEC
;
873 if (wlc
->pub
->associated
)
874 power
.local_chanspec
= wlc
->home_chanspec
;
876 /* Return the user target tx power limits for the various rates. Note wlc_phy.c's
877 * public interface only implements getting and setting a single value for all of
878 * rates, so we need to fill the array ourselves.
880 wlc_phy_txpower_get(wlc
->band
->pi
, &qdbm
, &override
);
881 for (r
= 0; r
< WL_TX_POWER_RATES
; r
++) {
882 power
.user_limit
[r
] = (u8
) qdbm
;
885 power
.local_max
= wlc
->txpwr_local_max
* WLC_TXPWR_DB_FACTOR
;
886 power
.local_constraint
=
887 wlc
->txpwr_local_constraint
* WLC_TXPWR_DB_FACTOR
;
889 power
.antgain
[0] = wlc
->bandstate
[BAND_2G_INDEX
]->antgain
;
890 power
.antgain
[1] = wlc
->bandstate
[BAND_5G_INDEX
]->antgain
;
892 wlc_channel_reg_limits(wlc
->cmi
, power
.chanspec
, &txpwr
);
894 #if WL_TX_POWER_CCK_NUM != WLC_NUM_RATES_CCK
895 #error "WL_TX_POWER_CCK_NUM != WLC_NUM_RATES_CCK"
898 /* CCK tx power limits */
899 for (c
= 0, r
= WL_TX_POWER_CCK_FIRST
; c
< WL_TX_POWER_CCK_NUM
;
901 power
.reg_limit
[r
] = txpwr
.cck
[c
];
903 #if WL_TX_POWER_OFDM_NUM != WLC_NUM_RATES_OFDM
904 #error "WL_TX_POWER_OFDM_NUM != WLC_NUM_RATES_OFDM"
907 /* 20 MHz OFDM SISO tx power limits */
908 for (c
= 0, r
= WL_TX_POWER_OFDM_FIRST
; c
< WL_TX_POWER_OFDM_NUM
;
910 power
.reg_limit
[r
] = txpwr
.ofdm
[c
];
912 if (WLC_PHY_11N_CAP(wlc
->band
)) {
914 /* 20 MHz OFDM CDD tx power limits */
915 for (c
= 0, r
= WL_TX_POWER_OFDM20_CDD_FIRST
;
916 c
< WL_TX_POWER_OFDM_NUM
; c
++, r
++)
917 power
.reg_limit
[r
] = txpwr
.ofdm_cdd
[c
];
919 /* 40 MHz OFDM SISO tx power limits */
920 for (c
= 0, r
= WL_TX_POWER_OFDM40_SISO_FIRST
;
921 c
< WL_TX_POWER_OFDM_NUM
; c
++, r
++)
922 power
.reg_limit
[r
] = txpwr
.ofdm_40_siso
[c
];
924 /* 40 MHz OFDM CDD tx power limits */
925 for (c
= 0, r
= WL_TX_POWER_OFDM40_CDD_FIRST
;
926 c
< WL_TX_POWER_OFDM_NUM
; c
++, r
++)
927 power
.reg_limit
[r
] = txpwr
.ofdm_40_cdd
[c
];
929 #if WL_TX_POWER_MCS_1_STREAM_NUM != WLC_NUM_RATES_MCS_1_STREAM
930 #error "WL_TX_POWER_MCS_1_STREAM_NUM != WLC_NUM_RATES_MCS_1_STREAM"
933 /* 20MHz MCS0-7 SISO tx power limits */
934 for (c
= 0, r
= WL_TX_POWER_MCS20_SISO_FIRST
;
935 c
< WLC_NUM_RATES_MCS_1_STREAM
; c
++, r
++)
936 power
.reg_limit
[r
] = txpwr
.mcs_20_siso
[c
];
938 /* 20MHz MCS0-7 CDD tx power limits */
939 for (c
= 0, r
= WL_TX_POWER_MCS20_CDD_FIRST
;
940 c
< WLC_NUM_RATES_MCS_1_STREAM
; c
++, r
++)
941 power
.reg_limit
[r
] = txpwr
.mcs_20_cdd
[c
];
943 /* 20MHz MCS0-7 STBC tx power limits */
944 for (c
= 0, r
= WL_TX_POWER_MCS20_STBC_FIRST
;
945 c
< WLC_NUM_RATES_MCS_1_STREAM
; c
++, r
++)
946 power
.reg_limit
[r
] = txpwr
.mcs_20_stbc
[c
];
948 /* 40MHz MCS0-7 SISO tx power limits */
949 for (c
= 0, r
= WL_TX_POWER_MCS40_SISO_FIRST
;
950 c
< WLC_NUM_RATES_MCS_1_STREAM
; c
++, r
++)
951 power
.reg_limit
[r
] = txpwr
.mcs_40_siso
[c
];
953 /* 40MHz MCS0-7 CDD tx power limits */
954 for (c
= 0, r
= WL_TX_POWER_MCS40_CDD_FIRST
;
955 c
< WLC_NUM_RATES_MCS_1_STREAM
; c
++, r
++)
956 power
.reg_limit
[r
] = txpwr
.mcs_40_cdd
[c
];
958 /* 40MHz MCS0-7 STBC tx power limits */
959 for (c
= 0, r
= WL_TX_POWER_MCS40_STBC_FIRST
;
960 c
< WLC_NUM_RATES_MCS_1_STREAM
; c
++, r
++)
961 power
.reg_limit
[r
] = txpwr
.mcs_40_stbc
[c
];
963 #if WL_TX_POWER_MCS_2_STREAM_NUM != WLC_NUM_RATES_MCS_2_STREAM
964 #error "WL_TX_POWER_MCS_2_STREAM_NUM != WLC_NUM_RATES_MCS_2_STREAM"
967 /* 20MHz MCS8-15 SDM tx power limits */
968 for (c
= 0, r
= WL_TX_POWER_MCS20_SDM_FIRST
;
969 c
< WLC_NUM_RATES_MCS_2_STREAM
; c
++, r
++)
970 power
.reg_limit
[r
] = txpwr
.mcs_20_mimo
[c
];
972 /* 40MHz MCS8-15 SDM tx power limits */
973 for (c
= 0, r
= WL_TX_POWER_MCS40_SDM_FIRST
;
974 c
< WLC_NUM_RATES_MCS_2_STREAM
; c
++, r
++)
975 power
.reg_limit
[r
] = txpwr
.mcs_40_mimo
[c
];
978 power
.reg_limit
[WL_TX_POWER_MCS_32
] = txpwr
.mcs32
;
981 wlc_phy_txpower_get_current(wlc
->band
->pi
, &power
,
982 CHSPEC_CHANNEL(power
.chanspec
));
984 /* copy the tx_power_t struct to the return buffer,
985 * or convert to a tx_power_legacy_t struct
988 bcopy(&power
, pwr
, sizeof(tx_power_t
));
990 int band_idx
= CHSPEC_IS2G(power
.chanspec
) ? 0 : 1;
992 memset(old_power
, 0, sizeof(tx_power_legacy_t
));
994 old_power
->txpwr_local_max
= power
.local_max
;
995 old_power
->txpwr_local_constraint
= power
.local_constraint
;
996 if (CHSPEC_IS2G(power
.chanspec
)) {
997 old_power
->txpwr_chan_reg_max
= txpwr
.cck
[0];
998 old_power
->txpwr_est_Pout
[band_idx
] =
1000 old_power
->txpwr_est_Pout_gofdm
= power
.est_Pout
[0];
1002 old_power
->txpwr_chan_reg_max
= txpwr
.ofdm
[0];
1003 old_power
->txpwr_est_Pout
[band_idx
] = power
.est_Pout
[0];
1005 old_power
->txpwr_antgain
[0] = power
.antgain
[0];
1006 old_power
->txpwr_antgain
[1] = power
.antgain
[1];
1008 for (r
= 0; r
< NUM_PWRCTRL_RATES
; r
++) {
1009 old_power
->txpwr_band_max
[r
] = power
.user_limit
[r
];
1010 old_power
->txpwr_limit
[r
] = power
.reg_limit
[r
];
1011 old_power
->txpwr_target
[band_idx
][r
] = power
.target
[r
];
1012 if (CHSPEC_IS2G(power
.chanspec
))
1013 old_power
->txpwr_bphy_cck_max
[r
] =
1014 power
.board_limit
[r
];
1016 old_power
->txpwr_aphy_max
[r
] =
1017 power
.board_limit
[r
];
1023 #endif /* defined(BCMDBG) */
1025 static u32
wlc_watchdog_backup_bi(wlc_info_t
*wlc
)
1028 bi
= 2 * wlc
->cfg
->current_bss
->dtim_period
*
1029 wlc
->cfg
->current_bss
->beacon_period
;
1030 if (wlc
->bcn_li_dtim
)
1031 bi
*= wlc
->bcn_li_dtim
;
1032 else if (wlc
->bcn_li_bcn
)
1033 /* recalculate bi based on bcn_li_bcn */
1034 bi
= 2 * wlc
->bcn_li_bcn
* wlc
->cfg
->current_bss
->beacon_period
;
1036 if (bi
< 2 * TIMER_INTERVAL_WATCHDOG
)
1037 bi
= 2 * TIMER_INTERVAL_WATCHDOG
;
1041 /* Change to run the watchdog either from a periodic timer or from tbtt handler.
1042 * Call watchdog from tbtt handler if tbtt is true, watchdog timer otherwise.
1044 void wlc_watchdog_upd(wlc_info_t
*wlc
, bool tbtt
)
1046 /* make sure changing watchdog driver is allowed */
1047 if (!wlc
->pub
->up
|| !wlc
->pub
->align_wd_tbtt
)
1049 if (!tbtt
&& wlc
->WDarmed
) {
1050 wl_del_timer(wlc
->wl
, wlc
->wdtimer
);
1051 wlc
->WDarmed
= false;
1054 /* stop watchdog timer and use tbtt interrupt to drive watchdog */
1055 if (tbtt
&& wlc
->WDarmed
) {
1056 wl_del_timer(wlc
->wl
, wlc
->wdtimer
);
1057 wlc
->WDarmed
= false;
1058 wlc
->WDlast
= OSL_SYSUPTIME();
1060 /* arm watchdog timer and drive the watchdog there */
1061 else if (!tbtt
&& !wlc
->WDarmed
) {
1062 wl_add_timer(wlc
->wl
, wlc
->wdtimer
, TIMER_INTERVAL_WATCHDOG
,
1064 wlc
->WDarmed
= true;
1066 if (tbtt
&& !wlc
->WDarmed
) {
1067 wl_add_timer(wlc
->wl
, wlc
->wdtimer
, wlc_watchdog_backup_bi(wlc
),
1069 wlc
->WDarmed
= true;
1073 ratespec_t
wlc_lowest_basic_rspec(wlc_info_t
*wlc
, wlc_rateset_t
*rs
)
1075 ratespec_t lowest_basic_rspec
;
1078 /* Use the lowest basic rate */
1079 lowest_basic_rspec
= rs
->rates
[0] & RATE_MASK
;
1080 for (i
= 0; i
< rs
->count
; i
++) {
1081 if (rs
->rates
[i
] & WLC_RATE_FLAG
) {
1082 lowest_basic_rspec
= rs
->rates
[i
] & RATE_MASK
;
1087 /* pick siso/cdd as default for OFDM (note no basic rate MCSs are supported yet) */
1088 if (IS_OFDM(lowest_basic_rspec
)) {
1089 lowest_basic_rspec
|= (wlc
->stf
->ss_opmode
<< RSPEC_STF_SHIFT
);
1093 return lowest_basic_rspec
;
1096 /* This function changes the phytxctl for beacon based on current beacon ratespec AND txant
1097 * setting as per this table:
1098 * ratespec CCK ant = wlc->stf->txant
1101 void wlc_beacon_phytxctl_txant_upd(wlc_info_t
*wlc
, ratespec_t bcn_rspec
)
1104 u16 phytxant
= wlc
->stf
->phytxant
;
1105 u16 mask
= PHY_TXC_ANT_MASK
;
1107 /* for non-siso rates or default setting, use the available chains */
1108 if (WLC_PHY_11N_CAP(wlc
->band
)) {
1109 phytxant
= wlc_stf_phytxchain_sel(wlc
, bcn_rspec
);
1112 phyctl
= wlc_read_shm(wlc
, M_BCN_PCTLWD
);
1113 phyctl
= (phyctl
& ~mask
) | phytxant
;
1114 wlc_write_shm(wlc
, M_BCN_PCTLWD
, phyctl
);
1117 /* centralized protection config change function to simplify debugging, no consistency checking
1118 * this should be called only on changes to avoid overhead in periodic function
1120 void wlc_protection_upd(wlc_info_t
*wlc
, uint idx
, int val
)
1122 WL_TRACE(("wlc_protection_upd: idx %d, val %d\n", idx
, val
));
1125 case WLC_PROT_G_SPEC
:
1126 wlc
->protection
->_g
= (bool) val
;
1128 case WLC_PROT_G_OVR
:
1129 wlc
->protection
->g_override
= (s8
) val
;
1131 case WLC_PROT_G_USER
:
1132 wlc
->protection
->gmode_user
= (u8
) val
;
1134 case WLC_PROT_OVERLAP
:
1135 wlc
->protection
->overlap
= (s8
) val
;
1137 case WLC_PROT_N_USER
:
1138 wlc
->protection
->nmode_user
= (s8
) val
;
1140 case WLC_PROT_N_CFG
:
1141 wlc
->protection
->n_cfg
= (s8
) val
;
1143 case WLC_PROT_N_CFG_OVR
:
1144 wlc
->protection
->n_cfg_override
= (s8
) val
;
1146 case WLC_PROT_N_NONGF
:
1147 wlc
->protection
->nongf
= (bool) val
;
1149 case WLC_PROT_N_NONGF_OVR
:
1150 wlc
->protection
->nongf_override
= (s8
) val
;
1152 case WLC_PROT_N_PAM_OVR
:
1153 wlc
->protection
->n_pam_override
= (s8
) val
;
1155 case WLC_PROT_N_OBSS
:
1156 wlc
->protection
->n_obss
= (bool) val
;
1166 static void wlc_ht_update_sgi_rx(wlc_info_t
*wlc
, int val
)
1168 wlc
->ht_cap
.cap
&= ~(HT_CAP_SHORT_GI_20
| HT_CAP_SHORT_GI_40
);
1169 wlc
->ht_cap
.cap
|= (val
& WLC_N_SGI_20
) ? HT_CAP_SHORT_GI_20
: 0;
1170 wlc
->ht_cap
.cap
|= (val
& WLC_N_SGI_40
) ? HT_CAP_SHORT_GI_40
: 0;
1173 wlc_update_beacon(wlc
);
1174 wlc_update_probe_resp(wlc
, true);
1178 static void wlc_ht_update_ldpc(wlc_info_t
*wlc
, s8 val
)
1180 wlc
->stf
->ldpc
= val
;
1182 wlc
->ht_cap
.cap
&= ~HT_CAP_LDPC_CODING
;
1183 if (wlc
->stf
->ldpc
!= OFF
)
1184 wlc
->ht_cap
.cap
|= HT_CAP_LDPC_CODING
;
1187 wlc_update_beacon(wlc
);
1188 wlc_update_probe_resp(wlc
, true);
1189 wlc_phy_ldpc_override_set(wlc
->band
->pi
, (val
? true : false));
1194 * ucode, hwmac update
1195 * Channel dependent updates for ucode and hw
1197 static void wlc_ucode_mac_upd(wlc_info_t
*wlc
)
1199 /* enable or disable any active IBSSs depending on whether or not
1200 * we are on the home channel
1202 if (wlc
->home_chanspec
== WLC_BAND_PI_RADIO_CHANSPEC
) {
1203 if (wlc
->pub
->associated
) {
1204 /* BMAC_NOTE: This is something that should be fixed in ucode inits.
1205 * I think that the ucode inits set up the bcn templates and shm values
1206 * with a bogus beacon. This should not be done in the inits. If ucode needs
1207 * to set up a beacon for testing, the test routines should write it down,
1208 * not expect the inits to populate a bogus beacon.
1210 if (WLC_PHY_11N_CAP(wlc
->band
)) {
1211 wlc_write_shm(wlc
, M_BCN_TXTSF_OFFSET
,
1212 wlc
->band
->bcntsfoff
);
1216 /* disable an active IBSS if we are not on the home channel */
1219 /* update the various promisc bits */
1220 wlc_mac_bcn_promisc(wlc
);
1221 wlc_mac_promisc(wlc
);
1224 static void wlc_bandinit_ordered(wlc_info_t
*wlc
, chanspec_t chanspec
)
1226 wlc_rateset_t default_rateset
;
1228 uint i
, band_order
[2];
1230 WL_TRACE(("wl%d: wlc_bandinit_ordered\n", wlc
->pub
->unit
));
1232 * We might have been bandlocked during down and the chip power-cycled (hibernate).
1233 * figure out the right band to park on
1235 if (wlc
->bandlocked
|| NBANDS(wlc
) == 1) {
1236 ASSERT(CHSPEC_WLCBANDUNIT(chanspec
) == wlc
->band
->bandunit
);
1238 parkband
= wlc
->band
->bandunit
; /* updated in wlc_bandlock() */
1239 band_order
[0] = band_order
[1] = parkband
;
1241 /* park on the band of the specified chanspec */
1242 parkband
= CHSPEC_WLCBANDUNIT(chanspec
);
1244 /* order so that parkband initialize last */
1245 band_order
[0] = parkband
^ 1;
1246 band_order
[1] = parkband
;
1249 /* make each band operational, software state init */
1250 for (i
= 0; i
< NBANDS(wlc
); i
++) {
1251 uint j
= band_order
[i
];
1253 wlc
->band
= wlc
->bandstate
[j
];
1255 wlc_default_rateset(wlc
, &default_rateset
);
1257 /* fill in hw_rate */
1258 wlc_rateset_filter(&default_rateset
, &wlc
->band
->hw_rateset
,
1259 false, WLC_RATES_CCK_OFDM
, RATE_MASK
,
1260 (bool) N_ENAB(wlc
->pub
));
1262 /* init basic rate lookup */
1263 wlc_rate_lookup_init(wlc
, &default_rateset
);
1266 /* sync up phy/radio chanspec */
1267 wlc_set_phy_chanspec(wlc
, chanspec
);
1270 /* band-specific init */
1271 static void WLBANDINITFN(wlc_bsinit
) (wlc_info_t
*wlc
)
1273 WL_TRACE(("wl%d: wlc_bsinit: bandunit %d\n", wlc
->pub
->unit
,
1274 wlc
->band
->bandunit
));
1276 /* write ucode ACK/CTS rate table */
1277 wlc_set_ratetable(wlc
);
1279 /* update some band specific mac configuration */
1280 wlc_ucode_mac_upd(wlc
);
1282 /* init antenna selection */
1283 if (WLANTSEL_ENAB(wlc
))
1284 wlc_antsel_init(wlc
->asi
);
1288 /* switch to and initialize new band */
1289 static void WLBANDINITFN(wlc_setband
) (wlc_info_t
*wlc
, uint bandunit
)
1294 ASSERT(NBANDS(wlc
) > 1);
1295 ASSERT(!wlc
->bandlocked
);
1296 ASSERT(bandunit
!= wlc
->band
->bandunit
|| wlc
->bandinit_pending
);
1298 wlc
->band
= wlc
->bandstate
[bandunit
];
1303 /* wait for at least one beacon before entering sleeping state */
1304 wlc
->PMawakebcn
= true;
1305 FOREACH_AS_STA(wlc
, idx
, cfg
)
1306 cfg
->PMawakebcn
= true;
1307 wlc_set_ps_ctrl(wlc
);
1309 /* band-specific initializations */
1313 /* Initialize a WME Parameter Info Element with default STA parameters from WMM Spec, Table 12 */
1314 void wlc_wme_initparams_sta(wlc_info_t
*wlc
, wme_param_ie_t
*pe
)
1316 static const wme_param_ie_t stadef
= {
1319 WME_SUBTYPE_PARAM_IE
,
1324 {EDCF_AC_BE_ACI_STA
, EDCF_AC_BE_ECW_STA
,
1325 HTOL16(EDCF_AC_BE_TXOP_STA
)},
1326 {EDCF_AC_BK_ACI_STA
, EDCF_AC_BK_ECW_STA
,
1327 HTOL16(EDCF_AC_BK_TXOP_STA
)},
1328 {EDCF_AC_VI_ACI_STA
, EDCF_AC_VI_ECW_STA
,
1329 HTOL16(EDCF_AC_VI_TXOP_STA
)},
1330 {EDCF_AC_VO_ACI_STA
, EDCF_AC_VO_ECW_STA
,
1331 HTOL16(EDCF_AC_VO_TXOP_STA
)}
1335 ASSERT(sizeof(*pe
) == WME_PARAM_IE_LEN
);
1336 memcpy(pe
, &stadef
, sizeof(*pe
));
1339 void wlc_wme_setparams(wlc_info_t
*wlc
, u16 aci
, void *arg
, bool suspend
)
1342 shm_acparams_t acp_shm
;
1344 struct ieee80211_tx_queue_params
*params
= arg
;
1348 /* Only apply params if the core is out of reset and has clocks */
1350 WL_ERROR(("wl%d: %s : no-clock\n", wlc
->pub
->unit
, __func__
));
1355 * AP uses AC params from wme_param_ie_ap.
1356 * AP advertises AC params from wme_param_ie.
1357 * STA uses AC params from wme_param_ie.
1360 wlc
->wme_admctl
= 0;
1363 memset((char *)&acp_shm
, 0, sizeof(shm_acparams_t
));
1364 /* find out which ac this set of params applies to */
1365 ASSERT(aci
< AC_COUNT
);
1366 /* set the admission control policy for this AC */
1367 /* wlc->wme_admctl |= 1 << aci; *//* should be set ?? seems like off by default */
1369 /* fill in shm ac params struct */
1370 acp_shm
.txop
= ltoh16(params
->txop
);
1371 /* convert from units of 32us to us for ucode */
1372 wlc
->edcf_txop
[aci
& 0x3] = acp_shm
.txop
=
1373 EDCF_TXOP2USEC(acp_shm
.txop
);
1374 acp_shm
.aifs
= (params
->aifs
& EDCF_AIFSN_MASK
);
1376 if (aci
== AC_VI
&& acp_shm
.txop
== 0
1377 && acp_shm
.aifs
< EDCF_AIFSN_MAX
)
1380 if (acp_shm
.aifs
< EDCF_AIFSN_MIN
1381 || acp_shm
.aifs
> EDCF_AIFSN_MAX
) {
1382 WL_ERROR(("wl%d: wlc_edcf_setparams: bad aifs %d\n",
1383 wlc
->pub
->unit
, acp_shm
.aifs
));
1387 acp_shm
.cwmin
= params
->cw_min
;
1388 acp_shm
.cwmax
= params
->cw_max
;
1389 acp_shm
.cwcur
= acp_shm
.cwmin
;
1391 R_REG(wlc
->osh
, &wlc
->regs
->tsf_random
) & acp_shm
.cwcur
;
1392 acp_shm
.reggap
= acp_shm
.bslots
+ acp_shm
.aifs
;
1393 /* Indicate the new params to the ucode */
1394 acp_shm
.status
= wlc_read_shm(wlc
, (M_EDCF_QINFO
+
1395 wme_shmemacindex(aci
) *
1397 M_EDCF_STATUS_OFF
));
1398 acp_shm
.status
|= WME_STATUS_NEWAC
;
1400 /* Fill in shm acparam table */
1401 shm_entry
= (u16
*) &acp_shm
;
1402 for (i
= 0; i
< (int)sizeof(shm_acparams_t
); i
+= 2)
1405 wme_shmemacindex(aci
) * M_EDCF_QLEN
+ i
,
1411 wlc_suspend_mac_and_wait(wlc
);
1414 wlc_enable_mac(wlc
);
1418 void wlc_edcf_setparams(wlc_bsscfg_t
*cfg
, bool suspend
)
1420 wlc_info_t
*wlc
= cfg
->wlc
;
1422 edcf_acparam_t
*edcf_acp
;
1423 shm_acparams_t acp_shm
;
1429 /* Only apply params if the core is out of reset and has clocks */
1434 * AP uses AC params from wme_param_ie_ap.
1435 * AP advertises AC params from wme_param_ie.
1436 * STA uses AC params from wme_param_ie.
1439 edcf_acp
= (edcf_acparam_t
*) &wlc
->wme_param_ie
.acparam
[0];
1441 wlc
->wme_admctl
= 0;
1443 for (i
= 0; i
< AC_COUNT
; i
++, edcf_acp
++) {
1444 memset((char *)&acp_shm
, 0, sizeof(shm_acparams_t
));
1445 /* find out which ac this set of params applies to */
1446 aci
= (edcf_acp
->ACI
& EDCF_ACI_MASK
) >> EDCF_ACI_SHIFT
;
1447 ASSERT(aci
< AC_COUNT
);
1448 /* set the admission control policy for this AC */
1449 if (edcf_acp
->ACI
& EDCF_ACM_MASK
) {
1450 wlc
->wme_admctl
|= 1 << aci
;
1453 /* fill in shm ac params struct */
1454 acp_shm
.txop
= ltoh16(edcf_acp
->TXOP
);
1455 /* convert from units of 32us to us for ucode */
1456 wlc
->edcf_txop
[aci
] = acp_shm
.txop
=
1457 EDCF_TXOP2USEC(acp_shm
.txop
);
1458 acp_shm
.aifs
= (edcf_acp
->ACI
& EDCF_AIFSN_MASK
);
1460 if (aci
== AC_VI
&& acp_shm
.txop
== 0
1461 && acp_shm
.aifs
< EDCF_AIFSN_MAX
)
1464 if (acp_shm
.aifs
< EDCF_AIFSN_MIN
1465 || acp_shm
.aifs
> EDCF_AIFSN_MAX
) {
1466 WL_ERROR(("wl%d: wlc_edcf_setparams: bad aifs %d\n",
1467 wlc
->pub
->unit
, acp_shm
.aifs
));
1471 /* CWmin = 2^(ECWmin) - 1 */
1472 acp_shm
.cwmin
= EDCF_ECW2CW(edcf_acp
->ECW
& EDCF_ECWMIN_MASK
);
1473 /* CWmax = 2^(ECWmax) - 1 */
1474 acp_shm
.cwmax
= EDCF_ECW2CW((edcf_acp
->ECW
& EDCF_ECWMAX_MASK
)
1475 >> EDCF_ECWMAX_SHIFT
);
1476 acp_shm
.cwcur
= acp_shm
.cwmin
;
1478 R_REG(wlc
->osh
, &wlc
->regs
->tsf_random
) & acp_shm
.cwcur
;
1479 acp_shm
.reggap
= acp_shm
.bslots
+ acp_shm
.aifs
;
1480 /* Indicate the new params to the ucode */
1481 acp_shm
.status
= wlc_read_shm(wlc
, (M_EDCF_QINFO
+
1482 wme_shmemacindex(aci
) *
1484 M_EDCF_STATUS_OFF
));
1485 acp_shm
.status
|= WME_STATUS_NEWAC
;
1487 /* Fill in shm acparam table */
1488 shm_entry
= (u16
*) &acp_shm
;
1489 for (j
= 0; j
< (int)sizeof(shm_acparams_t
); j
+= 2)
1492 wme_shmemacindex(aci
) * M_EDCF_QLEN
+ j
,
1497 wlc_suspend_mac_and_wait(wlc
);
1499 if (AP_ENAB(wlc
->pub
) && WME_ENAB(wlc
->pub
)) {
1500 wlc_update_beacon(wlc
);
1501 wlc_update_probe_resp(wlc
, false);
1505 wlc_enable_mac(wlc
);
1509 bool wlc_timers_init(wlc_info_t
*wlc
, int unit
)
1511 wlc
->wdtimer
= wl_init_timer(wlc
->wl
, wlc_watchdog_by_timer
,
1513 if (!wlc
->wdtimer
) {
1514 WL_ERROR(("wl%d: wl_init_timer for wdtimer failed\n", unit
));
1518 wlc
->radio_timer
= wl_init_timer(wlc
->wl
, wlc_radio_timer
,
1520 if (!wlc
->radio_timer
) {
1521 WL_ERROR(("wl%d: wl_init_timer for radio_timer failed\n",
1533 * Initialize wlc_info default values ...
1534 * may get overrides later in this function
1536 void wlc_info_init(wlc_info_t
*wlc
, int unit
)
1539 /* Assume the device is there until proven otherwise */
1540 wlc
->device_present
= true;
1542 /* set default power output percentage to 100 percent */
1543 wlc
->txpwr_percent
= 100;
1545 /* Save our copy of the chanspec */
1546 wlc
->chanspec
= CH20MHZ_CHSPEC(1);
1548 /* initialize CCK preamble mode to unassociated state */
1549 wlc
->shortpreamble
= false;
1551 wlc
->legacy_probe
= true;
1553 /* various 802.11g modes */
1554 wlc
->shortslot
= false;
1555 wlc
->shortslot_override
= WLC_SHORTSLOT_AUTO
;
1557 wlc
->barker_overlap_control
= true;
1558 wlc
->barker_preamble
= WLC_BARKER_SHORT_ALLOWED
;
1559 wlc
->txburst_limit_override
= AUTO
;
1561 wlc_protection_upd(wlc
, WLC_PROT_G_OVR
, WLC_PROTECTION_AUTO
);
1562 wlc_protection_upd(wlc
, WLC_PROT_G_SPEC
, false);
1564 wlc_protection_upd(wlc
, WLC_PROT_N_CFG_OVR
, WLC_PROTECTION_AUTO
);
1565 wlc_protection_upd(wlc
, WLC_PROT_N_CFG
, WLC_N_PROTECTION_OFF
);
1566 wlc_protection_upd(wlc
, WLC_PROT_N_NONGF_OVR
, WLC_PROTECTION_AUTO
);
1567 wlc_protection_upd(wlc
, WLC_PROT_N_NONGF
, false);
1568 wlc_protection_upd(wlc
, WLC_PROT_N_PAM_OVR
, AUTO
);
1570 wlc_protection_upd(wlc
, WLC_PROT_OVERLAP
, WLC_PROTECTION_CTL_OVERLAP
);
1572 /* 802.11g draft 4.0 NonERP elt advertisement */
1573 wlc
->include_legacy_erp
= true;
1575 wlc
->stf
->ant_rx_ovr
= ANT_RX_DIV_DEF
;
1576 wlc
->stf
->txant
= ANT_TX_DEF
;
1578 wlc
->prb_resp_timeout
= WLC_PRB_RESP_TIMEOUT
;
1580 wlc
->usr_fragthresh
= DOT11_DEFAULT_FRAG_LEN
;
1581 for (i
= 0; i
< NFIFO
; i
++)
1582 wlc
->fragthresh
[i
] = DOT11_DEFAULT_FRAG_LEN
;
1583 wlc
->RTSThresh
= DOT11_DEFAULT_RTS_LEN
;
1585 /* default rate fallback retry limits */
1586 wlc
->SFBL
= RETRY_SHORT_FB
;
1587 wlc
->LFBL
= RETRY_LONG_FB
;
1589 /* default mac retry limits */
1590 wlc
->SRL
= RETRY_SHORT_DEF
;
1591 wlc
->LRL
= RETRY_LONG_DEF
;
1594 wlc
->PM
= PM_OFF
; /* User's setting of PM mode through IOCTL */
1595 wlc
->PM_override
= false; /* Prevents from going to PM if our AP is 'ill' */
1596 wlc
->PMenabled
= false; /* Current PM state */
1597 wlc
->PMpending
= false; /* Tracks whether STA indicated PM in the last attempt */
1598 wlc
->PMblocked
= false; /* To allow blocking going into PM during RM and scans */
1600 /* In WMM Auto mode, PM is allowed if association is a UAPSD association */
1601 wlc
->WME_PM_blocked
= false;
1603 /* Init wme queuing method */
1604 wlc
->wme_prec_queuing
= false;
1606 /* Overrides for the core to stay awake under zillion conditions Look for STAY_AWAKE */
1608 /* Are we waiting for a response to PS-Poll that we sent */
1609 wlc
->PSpoll
= false;
1612 wlc
->wme_apsd
= true;
1613 wlc
->apsd_sta_usp
= false;
1614 wlc
->apsd_trigger_timeout
= 0; /* disable the trigger timer */
1615 wlc
->apsd_trigger_ac
= AC_BITMAP_ALL
;
1617 /* Set flag to indicate that hw keys should be used when available. */
1618 wlc
->wsec_swkeys
= false;
1620 /* init the 4 static WEP default keys */
1621 for (i
= 0; i
< WSEC_MAX_DEFAULT_KEYS
; i
++) {
1622 wlc
->wsec_keys
[i
] = wlc
->wsec_def_keys
[i
];
1623 wlc
->wsec_keys
[i
]->idx
= (u8
) i
;
1626 wlc
->_regulatory_domain
= false; /* 802.11d */
1628 /* WME QoS mode is Auto by default */
1629 wlc
->pub
->_wme
= AUTO
;
1631 #ifdef BCMSDIODEV_ENABLED
1632 wlc
->pub
->_priofc
= true; /* enable priority flow control for sdio dongle */
1635 wlc
->pub
->_ampdu
= AMPDU_AGG_HOST
;
1636 wlc
->pub
->bcmerror
= 0;
1637 wlc
->ibss_allowed
= true;
1638 wlc
->ibss_coalesce_allowed
= true;
1639 wlc
->pub
->_coex
= ON
;
1641 /* intialize mpc delay */
1642 wlc
->mpc_delay_off
= wlc
->mpc_dlycnt
= WLC_MPC_MIN_DELAYCNT
;
1644 wlc
->pr80838_war
= true;
1647 static bool wlc_state_bmac_sync(wlc_info_t
*wlc
)
1649 wlc_bmac_state_t state_bmac
;
1651 if (wlc_bmac_state_get(wlc
->hw
, &state_bmac
) != 0)
1654 wlc
->machwcap
= state_bmac
.machwcap
;
1655 wlc_protection_upd(wlc
, WLC_PROT_N_PAM_OVR
,
1656 (s8
) state_bmac
.preamble_ovr
);
1661 static uint
wlc_attach_module(wlc_info_t
*wlc
)
1665 unit
= wlc
->pub
->unit
;
1667 wlc
->asi
= wlc_antsel_attach(wlc
, wlc
->osh
, wlc
->pub
, wlc
->hw
);
1668 if (wlc
->asi
== NULL
) {
1669 WL_ERROR(("wl%d: wlc_attach: wlc_antsel_attach failed\n",
1675 wlc
->ampdu
= wlc_ampdu_attach(wlc
);
1676 if (wlc
->ampdu
== NULL
) {
1677 WL_ERROR(("wl%d: wlc_attach: wlc_ampdu_attach failed\n", unit
));
1682 /* Initialize event queue; needed before following calls */
1684 wlc_eventq_attach(wlc
->pub
, wlc
, wlc
->wl
, wlc_process_eventq
);
1685 if (wlc
->eventq
== NULL
) {
1686 WL_ERROR(("wl%d: wlc_attach: wlc_eventq_attachfailed\n", unit
));
1691 if ((wlc_stf_attach(wlc
) != 0)) {
1692 WL_ERROR(("wl%d: wlc_attach: wlc_stf_attach failed\n", unit
));
1700 wlc_pub_t
*wlc_pub(void *wlc
)
1702 return ((wlc_info_t
*) wlc
)->pub
;
1705 #define CHIP_SUPPORTS_11N(wlc) 1
1708 * The common driver entry routine. Error codes should be unique
1710 void *wlc_attach(void *wl
, u16 vendor
, u16 device
, uint unit
, bool piomode
,
1711 struct osl_info
*osh
, void *regsva
, uint bustype
,
1712 void *btparam
, uint
*perr
)
1721 WL_NONE(("wl%d: %s: vendor 0x%x device 0x%x\n", unit
, __func__
, vendor
,
1724 ASSERT(WSEC_MAX_RCMTA_KEYS
<= WSEC_MAX_KEYS
);
1725 ASSERT(WSEC_MAX_DEFAULT_KEYS
== WLC_DEFAULT_KEYS
);
1727 /* some code depends on packed structures */
1728 ASSERT(sizeof(struct ether_addr
) == ETHER_ADDR_LEN
);
1729 ASSERT(sizeof(struct ether_header
) == ETHER_HDR_LEN
);
1730 ASSERT(sizeof(d11regs_t
) == SI_CORE_SIZE
);
1731 ASSERT(sizeof(ofdm_phy_hdr_t
) == D11_PHY_HDR_LEN
);
1732 ASSERT(sizeof(cck_phy_hdr_t
) == D11_PHY_HDR_LEN
);
1733 ASSERT(sizeof(d11txh_t
) == D11_TXH_LEN
);
1734 ASSERT(sizeof(d11rxhdr_t
) == RXHDR_LEN
);
1735 ASSERT(sizeof(struct dot11_header
) == DOT11_A4_HDR_LEN
);
1736 ASSERT(sizeof(struct dot11_rts_frame
) == DOT11_RTS_LEN
);
1737 ASSERT(sizeof(struct dot11_management_header
) == DOT11_MGMT_HDR_LEN
);
1738 ASSERT(sizeof(struct dot11_bcn_prb
) == DOT11_BCN_PRB_LEN
);
1739 ASSERT(sizeof(tx_status_t
) == TXSTATUS_LEN
);
1740 ASSERT(sizeof(ht_cap_ie_t
) == HT_CAP_IE_LEN
);
1742 ASSERT(offsetof(wl_scan_params_t
, channel_list
) ==
1743 WL_SCAN_PARAMS_FIXED_SIZE
);
1745 ASSERT(IS_ALIGNED(offsetof(wsec_key_t
, data
), sizeof(u32
)));
1746 ASSERT(ISPOWEROF2(MA_WINDOW_SZ
));
1748 ASSERT(sizeof(wlc_d11rxhdr_t
) <= WL_HWRXOFF
);
1751 * Number of replay counters value used in WPA IE must match # rxivs
1752 * supported in wsec_key_t struct. See 802.11i/D3.0 sect. 7.3.2.17
1753 * 'RSN Information Element' figure 8 for this mapping.
1755 ASSERT((WPA_CAP_16_REPLAY_CNTRS
== WLC_REPLAY_CNTRS_VALUE
1756 && 16 == WLC_NUMRXIVS
)
1757 || (WPA_CAP_4_REPLAY_CNTRS
== WLC_REPLAY_CNTRS_VALUE
1758 && 4 == WLC_NUMRXIVS
));
1760 /* allocate wlc_info_t state and its substructures */
1761 wlc
= (wlc_info_t
*) wlc_attach_malloc(osh
, unit
, &err
, device
);
1771 wlc
->band
= wlc
->bandstate
[0];
1772 wlc
->core
= wlc
->corestate
;
1776 wlc
->btparam
= btparam
;
1777 pub
->_piomode
= piomode
;
1778 wlc
->bandinit_pending
= false;
1779 /* By default restrict TKIP associations from 11n STA's */
1780 wlc
->ht_wsec_restriction
= WLC_HT_TKIP_RESTRICT
;
1782 /* populate wlc_info_t with default values */
1783 wlc_info_init(wlc
, unit
);
1785 /* update sta/ap related parameters */
1788 /* 11n_disable nvram */
1789 n_disabled
= getintvar(pub
->vars
, "11n_disable");
1791 /* register a module (to handle iovars) */
1792 wlc_module_register(wlc
->pub
, wlc_iovars
, "wlc_iovars", wlc
,
1793 wlc_doiovar
, NULL
, NULL
);
1795 /* low level attach steps(all hw accesses go inside, no more in rest of the attach) */
1796 err
= wlc_bmac_attach(wlc
, vendor
, device
, unit
, piomode
, osh
, regsva
,
1801 /* for some states, due to different info pointer(e,g, wlc, wlc_hw) or master/slave split,
1802 * HIGH driver(both monolithic and HIGH_ONLY) needs to sync states FROM BMAC portion driver
1804 if (!wlc_state_bmac_sync(wlc
)) {
1809 pub
->phy_11ncapable
= WLC_PHY_11N_CAP(wlc
->band
);
1811 /* propagate *vars* from BMAC driver to high driver */
1812 wlc_bmac_copyfrom_vars(wlc
->hw
, &pub
->vars
, &wlc
->vars_size
);
1815 /* set maximum allowed duty cycle */
1816 wlc
->tx_duty_cycle_ofdm
=
1817 (u16
) getintvar(pub
->vars
, "tx_duty_cycle_ofdm");
1818 wlc
->tx_duty_cycle_cck
=
1819 (u16
) getintvar(pub
->vars
, "tx_duty_cycle_cck");
1821 wlc_stf_phy_chain_calc(wlc
);
1823 /* txchain 1: txant 0, txchain 2: txant 1 */
1824 if (WLCISNPHY(wlc
->band
) && (wlc
->stf
->txstreams
== 1))
1825 wlc
->stf
->txant
= wlc
->stf
->hw_txchain
- 1;
1827 /* push to BMAC driver */
1828 wlc_phy_stf_chain_init(wlc
->band
->pi
, wlc
->stf
->hw_txchain
,
1829 wlc
->stf
->hw_rxchain
);
1831 /* pull up some info resulting from the low attach */
1834 for (i
= 0; i
< NFIFO
; i
++)
1835 wlc
->core
->txavail
[i
] = wlc
->hw
->txavail
[i
];
1838 wlc_bmac_hw_etheraddr(wlc
->hw
, &wlc
->perm_etheraddr
);
1840 bcopy((char *)&wlc
->perm_etheraddr
, (char *)&pub
->cur_etheraddr
,
1843 for (j
= 0; j
< NBANDS(wlc
); j
++) {
1844 /* Use band 1 for single band 11a */
1845 if (IS_SINGLEBAND_5G(wlc
->deviceid
))
1848 wlc
->band
= wlc
->bandstate
[j
];
1850 if (!wlc_attach_stf_ant_init(wlc
)) {
1855 /* default contention windows size limits */
1856 wlc
->band
->CWmin
= APHY_CWMIN
;
1857 wlc
->band
->CWmax
= PHY_CWMAX
;
1859 /* init gmode value */
1860 if (BAND_2G(wlc
->band
->bandtype
)) {
1861 wlc
->band
->gmode
= GMODE_AUTO
;
1862 wlc_protection_upd(wlc
, WLC_PROT_G_USER
,
1866 /* init _n_enab supported mode */
1867 if (WLC_PHY_11N_CAP(wlc
->band
) && CHIP_SUPPORTS_11N(wlc
)) {
1868 if (n_disabled
& WLFEATURE_DISABLE_11N
) {
1870 wlc_protection_upd(wlc
, WLC_PROT_N_USER
, OFF
);
1872 pub
->_n_enab
= SUPPORT_11N
;
1873 wlc_protection_upd(wlc
, WLC_PROT_N_USER
,
1875 SUPPORT_11N
) ? WL_11N_2x2
:
1880 /* init per-band default rateset, depend on band->gmode */
1881 wlc_default_rateset(wlc
, &wlc
->band
->defrateset
);
1883 /* fill in hw_rateset (used early by WLC_SET_RATESET) */
1884 wlc_rateset_filter(&wlc
->band
->defrateset
,
1885 &wlc
->band
->hw_rateset
, false,
1886 WLC_RATES_CCK_OFDM
, RATE_MASK
,
1887 (bool) N_ENAB(wlc
->pub
));
1890 /* update antenna config due to wlc->stf->txant/txchain/ant_rx_ovr change */
1891 wlc_stf_phy_txant_upd(wlc
);
1893 /* attach each modules */
1894 err
= wlc_attach_module(wlc
);
1898 if (!wlc_timers_init(wlc
, unit
)) {
1899 WL_ERROR(("wl%d: %s: wlc_init_timer failed\n", unit
, __func__
));
1904 /* depend on rateset, gmode */
1905 wlc
->cmi
= wlc_channel_mgr_attach(wlc
);
1907 WL_ERROR(("wl%d: %s: wlc_channel_mgr_attach failed\n", unit
,
1913 /* init default when all parameters are ready, i.e. ->rateset */
1914 wlc_bss_default_init(wlc
);
1917 * Complete the wlc default state initializations..
1920 /* allocate our initial queue */
1921 qi
= wlc_txq_alloc(wlc
, osh
);
1923 WL_ERROR(("wl%d: %s: failed to malloc tx queue\n", unit
,
1928 wlc
->active_queue
= qi
;
1930 wlc
->bsscfg
[0] = wlc
->cfg
;
1932 wlc
->cfg
->wlc
= wlc
;
1933 pub
->txmaxpkts
= MAXTXPKTS
;
1935 WLCNTSET(pub
->_cnt
->version
, WL_CNT_T_VERSION
);
1936 WLCNTSET(pub
->_cnt
->length
, sizeof(wl_cnt_t
));
1938 WLCNTSET(pub
->_wme_cnt
->version
, WL_WME_CNT_VERSION
);
1939 WLCNTSET(pub
->_wme_cnt
->length
, sizeof(wl_wme_cnt_t
));
1941 wlc_wme_initparams_sta(wlc
, &wlc
->wme_param_ie
);
1943 wlc
->mimoft
= FT_HT
;
1944 wlc
->ht_cap
.cap
= HT_CAP
;
1945 if (HT_ENAB(wlc
->pub
))
1946 wlc
->stf
->ldpc
= AUTO
;
1948 wlc
->mimo_40txbw
= AUTO
;
1949 wlc
->ofdm_40txbw
= AUTO
;
1950 wlc
->cck_40txbw
= AUTO
;
1951 wlc_update_mimo_band_bwcap(wlc
, WLC_N_BW_20IN2G_40IN5G
);
1953 /* Enable setting the RIFS Mode bit by default in HT Info IE */
1954 wlc
->rifs_advert
= AUTO
;
1956 /* Set default values of SGI */
1957 if (WLC_SGI_CAP_PHY(wlc
)) {
1958 wlc_ht_update_sgi_rx(wlc
, (WLC_N_SGI_20
| WLC_N_SGI_40
));
1960 } else if (WLCISSSLPNPHY(wlc
->band
)) {
1961 wlc_ht_update_sgi_rx(wlc
, (WLC_N_SGI_20
| WLC_N_SGI_40
));
1964 wlc_ht_update_sgi_rx(wlc
, 0);
1968 /* *******nvram 11n config overrides Start ********* */
1970 /* apply the sgi override from nvram conf */
1971 if (n_disabled
& WLFEATURE_DISABLE_11N_SGI_TX
)
1974 if (n_disabled
& WLFEATURE_DISABLE_11N_SGI_RX
)
1975 wlc_ht_update_sgi_rx(wlc
, 0);
1977 /* apply the stbc override from nvram conf */
1978 if (n_disabled
& WLFEATURE_DISABLE_11N_STBC_TX
) {
1979 wlc
->bandstate
[BAND_2G_INDEX
]->band_stf_stbc_tx
= OFF
;
1980 wlc
->bandstate
[BAND_5G_INDEX
]->band_stf_stbc_tx
= OFF
;
1981 wlc
->ht_cap
.cap
&= ~HT_CAP_TX_STBC
;
1983 if (n_disabled
& WLFEATURE_DISABLE_11N_STBC_RX
)
1984 wlc_stf_stbc_rx_set(wlc
, HT_CAP_RX_STBC_NO
);
1986 /* apply the GF override from nvram conf */
1987 if (n_disabled
& WLFEATURE_DISABLE_11N_GF
)
1988 wlc
->ht_cap
.cap
&= ~HT_CAP_GF
;
1990 /* initialize radio_mpc_disable according to wlc->mpc */
1991 wlc_radio_mpc_upd(wlc
);
1993 if (WLANTSEL_ENAB(wlc
)) {
1994 if ((wlc
->pub
->sih
->chip
) == BCM43235_CHIP_ID
) {
1995 if ((getintvar(wlc
->pub
->vars
, "aa2g") == 7) ||
1996 (getintvar(wlc
->pub
->vars
, "aa5g") == 7)) {
1997 wlc_bmac_antsel_set(wlc
->hw
, 1);
2000 wlc_bmac_antsel_set(wlc
->hw
, wlc
->asi
->antsel_avail
);
2010 WL_ERROR(("wl%d: %s: failed with err %d\n", unit
, __func__
, err
));
2019 static void wlc_attach_antgain_init(wlc_info_t
*wlc
)
2022 unit
= wlc
->pub
->unit
;
2024 if ((wlc
->band
->antgain
== -1) && (wlc
->pub
->sromrev
== 1)) {
2025 /* default antenna gain for srom rev 1 is 2 dBm (8 qdbm) */
2026 wlc
->band
->antgain
= 8;
2027 } else if (wlc
->band
->antgain
== -1) {
2028 WL_ERROR(("wl%d: %s: Invalid antennas available in srom, using 2dB\n", unit
, __func__
));
2029 wlc
->band
->antgain
= 8;
2032 /* Older sroms specified gain in whole dbm only. In order
2033 * be able to specify qdbm granularity and remain backward compatible
2034 * the whole dbms are now encoded in only low 6 bits and remaining qdbms
2035 * are encoded in the hi 2 bits. 6 bit signed number ranges from
2036 * -32 - 31. Examples: 0x1 = 1 db,
2037 * 0xc1 = 1.75 db (1 + 3 quarters),
2038 * 0x3f = -1 (-1 + 0 quarters),
2039 * 0x7f = -.75 (-1 in low 6 bits + 1 quarters in hi 2 bits) = -3 qdbm.
2040 * 0xbf = -.50 (-1 in low 6 bits + 2 quarters in hi 2 bits) = -2 qdbm.
2042 gain
= wlc
->band
->antgain
& 0x3f;
2043 gain
<<= 2; /* Sign extend */
2045 fract
= (wlc
->band
->antgain
& 0xc0) >> 6;
2046 wlc
->band
->antgain
= 4 * gain
+ fract
;
2050 static bool wlc_attach_stf_ant_init(wlc_info_t
*wlc
)
2057 unit
= wlc
->pub
->unit
;
2058 vars
= wlc
->pub
->vars
;
2059 bandtype
= wlc
->band
->bandtype
;
2061 /* get antennas available */
2062 aa
= (s8
) getintvar(vars
, (BAND_5G(bandtype
) ? "aa5g" : "aa2g"));
2064 aa
= (s8
) getintvar(vars
,
2065 (BAND_5G(bandtype
) ? "aa1" : "aa0"));
2066 if ((aa
< 1) || (aa
> 15)) {
2067 WL_ERROR(("wl%d: %s: Invalid antennas available in srom (0x%x), using 3.\n", unit
, __func__
, aa
));
2071 /* reset the defaults if we have a single antenna */
2073 wlc
->stf
->ant_rx_ovr
= ANT_RX_DIV_FORCE_0
;
2074 wlc
->stf
->txant
= ANT_TX_FORCE_0
;
2075 } else if (aa
== 2) {
2076 wlc
->stf
->ant_rx_ovr
= ANT_RX_DIV_FORCE_1
;
2077 wlc
->stf
->txant
= ANT_TX_FORCE_1
;
2081 /* Compute Antenna Gain */
2082 wlc
->band
->antgain
=
2083 (s8
) getintvar(vars
, (BAND_5G(bandtype
) ? "ag1" : "ag0"));
2084 wlc_attach_antgain_init(wlc
);
2090 static void wlc_timers_deinit(wlc_info_t
*wlc
)
2092 /* free timer state */
2094 wl_free_timer(wlc
->wl
, wlc
->wdtimer
);
2095 wlc
->wdtimer
= NULL
;
2097 if (wlc
->radio_timer
) {
2098 wl_free_timer(wlc
->wl
, wlc
->radio_timer
);
2099 wlc
->radio_timer
= NULL
;
2103 static void wlc_detach_module(wlc_info_t
*wlc
)
2106 wlc_antsel_detach(wlc
->asi
);
2111 wlc_ampdu_detach(wlc
->ampdu
);
2115 wlc_stf_detach(wlc
);
2119 * Return a count of the number of driver callbacks still pending.
2121 * General policy is that wlc_detach can only dealloc/free software states. It can NOT
2122 * touch hardware registers since the d11core may be in reset and clock may not be available.
2123 * One exception is sb register access, which is possible if crystal is turned on
2124 * After "down" state, driver should avoid software timer with the exception of radio_monitor.
2126 uint
wlc_detach(wlc_info_t
*wlc
)
2134 WL_TRACE(("wl%d: %s\n", wlc
->pub
->unit
, __func__
));
2136 ASSERT(!wlc
->pub
->up
);
2138 callbacks
+= wlc_bmac_detach(wlc
);
2140 /* delete software timers */
2141 if (!wlc_radio_monitor_stop(wlc
))
2145 wlc_eventq_detach(wlc
->eventq
);
2149 wlc_channel_mgr_detach(wlc
->cmi
);
2151 wlc_timers_deinit(wlc
);
2153 wlc_detach_module(wlc
);
2155 /* free other state */
2159 if (wlc
->country_ie_override
) {
2160 kfree(wlc
->country_ie_override
);
2161 wlc
->country_ie_override
= NULL
;
2166 /* free dumpcb list */
2167 dumpcb_t
*prev
, *ptr
;
2168 prev
= ptr
= wlc
->dumpcb_head
;
2174 wlc
->dumpcb_head
= NULL
;
2177 /* Detach from iovar manager */
2178 wlc_module_unregister(wlc
->pub
, "wlc_iovars", wlc
);
2182 wlc_ap_detach(wlc->ap);
2187 while (wlc
->tx_queues
!= NULL
) {
2188 wlc_txq_free(wlc
, wlc
->osh
, wlc
->tx_queues
);
2192 * consistency check: wlc_module_register/wlc_module_unregister calls
2193 * should match therefore nothing should be left here.
2195 for (i
= 0; i
< WLC_MAXMODULES
; i
++)
2196 ASSERT(wlc
->modulecb
[i
].name
[0] == '\0');
2198 wlc_detach_mfree(wlc
, wlc
->osh
);
2202 /* update state that depends on the current value of "ap" */
2203 void wlc_ap_upd(wlc_info_t
*wlc
)
2205 if (AP_ENAB(wlc
->pub
))
2206 wlc
->PLCPHdr_override
= WLC_PLCP_AUTO
; /* AP: short not allowed, but not enforced */
2208 wlc
->PLCPHdr_override
= WLC_PLCP_SHORT
; /* STA-BSS; short capable */
2210 /* disable vlan_mode on AP since some legacy STAs cannot rx tagged pkts */
2211 wlc
->vlan_mode
= AP_ENAB(wlc
->pub
) ? OFF
: AUTO
;
2217 /* read hwdisable state and propagate to wlc flag */
2218 static void wlc_radio_hwdisable_upd(wlc_info_t
*wlc
)
2220 if (wlc
->pub
->wlfeatureflag
& WL_SWFL_NOHWRADIO
|| wlc
->pub
->hw_off
)
2223 if (wlc_bmac_radio_read_hwdisabled(wlc
->hw
)) {
2224 mboolset(wlc
->pub
->radio_disabled
, WL_RADIO_HW_DISABLE
);
2226 mboolclr(wlc
->pub
->radio_disabled
, WL_RADIO_HW_DISABLE
);
2230 /* return true if Minimum Power Consumption should be entered, false otherwise */
2231 bool wlc_is_non_delay_mpc(wlc_info_t
*wlc
)
2236 bool wlc_ismpc(wlc_info_t
*wlc
)
2238 return (wlc
->mpc_delay_off
== 0) && (wlc_is_non_delay_mpc(wlc
));
2241 void wlc_radio_mpc_upd(wlc_info_t
*wlc
)
2243 bool mpc_radio
, radio_state
;
2246 * Clear the WL_RADIO_MPC_DISABLE bit when mpc feature is disabled
2247 * in case the WL_RADIO_MPC_DISABLE bit was set. Stop the radio
2248 * monitor also when WL_RADIO_MPC_DISABLE is the only reason that
2249 * the radio is going down.
2252 if (!wlc
->pub
->radio_disabled
)
2254 mboolclr(wlc
->pub
->radio_disabled
, WL_RADIO_MPC_DISABLE
);
2256 if (!wlc
->pub
->radio_disabled
)
2257 wlc_radio_monitor_stop(wlc
);
2262 * sync ismpc logic with WL_RADIO_MPC_DISABLE bit in wlc->pub->radio_disabled
2263 * to go ON, always call radio_upd synchronously
2264 * to go OFF, postpone radio_upd to later when context is safe(e.g. watchdog)
2267 (mboolisset(wlc
->pub
->radio_disabled
, WL_RADIO_MPC_DISABLE
) ? OFF
:
2269 mpc_radio
= (wlc_ismpc(wlc
) == true) ? OFF
: ON
;
2271 if (radio_state
== ON
&& mpc_radio
== OFF
)
2272 wlc
->mpc_delay_off
= wlc
->mpc_dlycnt
;
2273 else if (radio_state
== OFF
&& mpc_radio
== ON
) {
2274 mboolclr(wlc
->pub
->radio_disabled
, WL_RADIO_MPC_DISABLE
);
2276 if (wlc
->mpc_offcnt
< WLC_MPC_THRESHOLD
) {
2277 wlc
->mpc_dlycnt
= WLC_MPC_MAX_DELAYCNT
;
2279 wlc
->mpc_dlycnt
= WLC_MPC_MIN_DELAYCNT
;
2280 wlc
->mpc_dur
+= OSL_SYSUPTIME() - wlc
->mpc_laston_ts
;
2282 /* Below logic is meant to capture the transition from mpc off to mpc on for reasons
2283 * other than wlc->mpc_delay_off keeping the mpc off. In that case reset
2284 * wlc->mpc_delay_off to wlc->mpc_dlycnt, so that we restart the countdown of mpc_delay_off
2286 if ((wlc
->prev_non_delay_mpc
== false) &&
2287 (wlc_is_non_delay_mpc(wlc
) == true) && wlc
->mpc_delay_off
) {
2288 wlc
->mpc_delay_off
= wlc
->mpc_dlycnt
;
2290 wlc
->prev_non_delay_mpc
= wlc_is_non_delay_mpc(wlc
);
2294 * centralized radio disable/enable function,
2295 * invoke radio enable/disable after updating hwradio status
2297 static void wlc_radio_upd(wlc_info_t
*wlc
)
2299 if (wlc
->pub
->radio_disabled
)
2300 wlc_radio_disable(wlc
);
2302 wlc_radio_enable(wlc
);
2305 /* maintain LED behavior in down state */
2306 static void wlc_down_led_upd(wlc_info_t
*wlc
)
2308 ASSERT(!wlc
->pub
->up
);
2310 /* maintain LEDs while in down state, turn on sbclk if not available yet */
2311 /* turn on sbclk if necessary */
2312 if (!AP_ENAB(wlc
->pub
)) {
2313 wlc_pllreq(wlc
, true, WLC_PLLREQ_FLIP
);
2315 wlc_pllreq(wlc
, false, WLC_PLLREQ_FLIP
);
2319 void wlc_radio_disable(wlc_info_t
*wlc
)
2321 if (!wlc
->pub
->up
) {
2322 wlc_down_led_upd(wlc
);
2326 wlc_radio_monitor_start(wlc
);
2330 static void wlc_radio_enable(wlc_info_t
*wlc
)
2335 if (DEVICEREMOVED(wlc
))
2338 if (!wlc
->down_override
) { /* imposed by wl down/out ioctl */
2343 /* periodical query hw radio button while driver is "down" */
2344 static void wlc_radio_timer(void *arg
)
2346 wlc_info_t
*wlc
= (wlc_info_t
*) arg
;
2348 if (DEVICEREMOVED(wlc
)) {
2349 WL_ERROR(("wl%d: %s: dead chip\n", wlc
->pub
->unit
, __func__
));
2354 /* cap mpc off count */
2355 if (wlc
->mpc_offcnt
< WLC_MPC_MAX_DELAYCNT
)
2358 /* validate all the reasons driver could be down and running this radio_timer */
2359 ASSERT(wlc
->pub
->radio_disabled
|| wlc
->down_override
);
2360 wlc_radio_hwdisable_upd(wlc
);
2364 static bool wlc_radio_monitor_start(wlc_info_t
*wlc
)
2366 /* Don't start the timer if HWRADIO feature is disabled */
2367 if (wlc
->radio_monitor
|| (wlc
->pub
->wlfeatureflag
& WL_SWFL_NOHWRADIO
))
2370 wlc
->radio_monitor
= true;
2371 wlc_pllreq(wlc
, true, WLC_PLLREQ_RADIO_MON
);
2372 wl_add_timer(wlc
->wl
, wlc
->radio_timer
, TIMER_INTERVAL_RADIOCHK
, true);
2376 bool wlc_radio_monitor_stop(wlc_info_t
*wlc
)
2378 if (!wlc
->radio_monitor
)
2381 ASSERT((wlc
->pub
->wlfeatureflag
& WL_SWFL_NOHWRADIO
) !=
2384 wlc
->radio_monitor
= false;
2385 wlc_pllreq(wlc
, false, WLC_PLLREQ_RADIO_MON
);
2386 return wl_del_timer(wlc
->wl
, wlc
->radio_timer
);
2389 /* bring the driver down, but don't reset hardware */
2390 void wlc_out(wlc_info_t
*wlc
)
2392 wlc_bmac_set_noreset(wlc
->hw
, true);
2395 wlc_bmac_set_noreset(wlc
->hw
, false);
2397 /* core clk is true in BMAC driver due to noreset, need to mirror it in HIGH */
2400 /* This will make sure that when 'up' is done
2401 * after 'out' it'll restore hardware (especially gpios)
2403 wlc
->pub
->hw_up
= false;
2407 /* Verify the sanity of wlc->tx_prec_map. This can be done only by making sure that
2408 * if there is no packet pending for the FIFO, then the corresponding prec bits should be set
2409 * in prec_map. Of course, ignore this rule when block_datafifo is set
2411 static bool wlc_tx_prec_map_verify(wlc_info_t
*wlc
)
2413 /* For non-WME, both fifos have overlapping prec_map. So it's an error only if both
2416 if (!EDCF_ENAB(wlc
->pub
)) {
2417 if (!(WLC_TX_FIFO_CHECK(wlc
, TX_DATA_FIFO
) ||
2418 WLC_TX_FIFO_CHECK(wlc
, TX_CTL_FIFO
)))
2424 return WLC_TX_FIFO_CHECK(wlc
, TX_AC_BK_FIFO
)
2425 && WLC_TX_FIFO_CHECK(wlc
, TX_AC_BE_FIFO
)
2426 && WLC_TX_FIFO_CHECK(wlc
, TX_AC_VI_FIFO
)
2427 && WLC_TX_FIFO_CHECK(wlc
, TX_AC_VO_FIFO
);
2431 static void wlc_watchdog_by_timer(void *arg
)
2433 wlc_info_t
*wlc
= (wlc_info_t
*) arg
;
2435 if (WLC_WATCHDOG_TBTT(wlc
)) {
2436 /* set to normal osl watchdog period */
2437 wl_del_timer(wlc
->wl
, wlc
->wdtimer
);
2438 wl_add_timer(wlc
->wl
, wlc
->wdtimer
, TIMER_INTERVAL_WATCHDOG
,
2443 /* common watchdog code */
2444 static void wlc_watchdog(void *arg
)
2446 wlc_info_t
*wlc
= (wlc_info_t
*) arg
;
2450 WL_TRACE(("wl%d: wlc_watchdog\n", wlc
->pub
->unit
));
2455 if (DEVICEREMOVED(wlc
)) {
2456 WL_ERROR(("wl%d: %s: dead chip\n", wlc
->pub
->unit
, __func__
));
2461 /* increment second count */
2464 /* delay radio disable */
2465 if (wlc
->mpc_delay_off
) {
2466 if (--wlc
->mpc_delay_off
== 0) {
2467 mboolset(wlc
->pub
->radio_disabled
,
2468 WL_RADIO_MPC_DISABLE
);
2469 if (wlc
->mpc
&& wlc_ismpc(wlc
))
2470 wlc
->mpc_offcnt
= 0;
2471 wlc
->mpc_laston_ts
= OSL_SYSUPTIME();
2476 wlc_radio_mpc_upd(wlc
);
2477 /* radio sync: sw/hw/mpc --> radio_disable/radio_enable */
2478 wlc_radio_hwdisable_upd(wlc
);
2480 /* if ismpc, driver should be in down state if up/down is allowed */
2481 if (wlc
->mpc
&& wlc_ismpc(wlc
))
2482 ASSERT(!wlc
->pub
->up
);
2483 /* if radio is disable, driver may be down, quit here */
2484 if (wlc
->pub
->radio_disabled
)
2487 wlc_bmac_watchdog(wlc
);
2489 /* occasionally sample mac stat counters to detect 16-bit counter wrap */
2490 if ((WLC_UPDATE_STATS(wlc
))
2491 && (!(wlc
->pub
->now
% SW_TIMER_MAC_STAT_UPD
)))
2494 /* Manage TKIP countermeasures timers */
2495 FOREACH_BSS(wlc
, i
, cfg
) {
2496 if (cfg
->tk_cm_dt
) {
2499 if (cfg
->tk_cm_bt
) {
2504 /* Call any registered watchdog handlers */
2505 for (i
= 0; i
< WLC_MAXMODULES
; i
++) {
2506 if (wlc
->modulecb
[i
].watchdog_fn
)
2507 wlc
->modulecb
[i
].watchdog_fn(wlc
->modulecb
[i
].hdl
);
2510 if (WLCISNPHY(wlc
->band
) && !wlc
->pub
->tempsense_disable
&&
2511 ((wlc
->pub
->now
- wlc
->tempsense_lasttime
) >=
2512 WLC_TEMPSENSE_PERIOD
)) {
2513 wlc
->tempsense_lasttime
= wlc
->pub
->now
;
2514 wlc_tempsense_upd(wlc
);
2516 /* BMAC_NOTE: for HIGH_ONLY driver, this seems being called after RPC bus failed */
2517 ASSERT(wlc_bmac_taclear(wlc
->hw
, true));
2519 /* Verify that tx_prec_map and fifos are in sync to avoid lock ups */
2520 ASSERT(wlc_tx_prec_map_verify(wlc
));
2522 ASSERT(wlc_ps_check(wlc
));
2525 /* make interface operational */
2526 int wlc_up(wlc_info_t
*wlc
)
2528 WL_TRACE(("wl%d: %s:\n", wlc
->pub
->unit
, __func__
));
2530 /* HW is turned off so don't try to access it */
2531 if (wlc
->pub
->hw_off
|| DEVICEREMOVED(wlc
))
2532 return BCME_RADIOOFF
;
2534 if (!wlc
->pub
->hw_up
) {
2535 wlc_bmac_hw_up(wlc
->hw
);
2536 wlc
->pub
->hw_up
= true;
2539 if ((wlc
->pub
->boardflags
& BFL_FEM
)
2540 && (wlc
->pub
->sih
->chip
== BCM4313_CHIP_ID
)) {
2541 if (wlc
->pub
->boardrev
>= 0x1250
2542 && (wlc
->pub
->boardflags
& BFL_FEM_BT
)) {
2543 wlc_mhf(wlc
, MHF5
, MHF5_4313_GPIOCTRL
,
2544 MHF5_4313_GPIOCTRL
, WLC_BAND_ALL
);
2546 wlc_mhf(wlc
, MHF4
, MHF4_EXTPA_ENABLE
, MHF4_EXTPA_ENABLE
,
2552 * Need to read the hwradio status here to cover the case where the system
2553 * is loaded with the hw radio disabled. We do not want to bring the driver up in this case.
2554 * if radio is disabled, abort up, lower power, start radio timer and return 0(for NDIS)
2555 * don't call radio_update to avoid looping wlc_up.
2557 * wlc_bmac_up_prep() returns either 0 or BCME_RADIOOFF only
2559 if (!wlc
->pub
->radio_disabled
) {
2560 int status
= wlc_bmac_up_prep(wlc
->hw
);
2561 if (status
== BCME_RADIOOFF
) {
2563 (wlc
->pub
->radio_disabled
, WL_RADIO_HW_DISABLE
)) {
2565 wlc_bsscfg_t
*bsscfg
;
2566 mboolset(wlc
->pub
->radio_disabled
,
2567 WL_RADIO_HW_DISABLE
);
2569 FOREACH_BSS(wlc
, idx
, bsscfg
) {
2570 if (!BSSCFG_STA(bsscfg
)
2571 || !bsscfg
->enable
|| !bsscfg
->BSS
)
2573 WL_ERROR(("wl%d.%d: wlc_up: rfdisable -> " "wlc_bsscfg_disable()\n", wlc
->pub
->unit
, idx
));
2580 if (wlc
->pub
->radio_disabled
) {
2581 wlc_radio_monitor_start(wlc
);
2585 /* wlc_bmac_up_prep has done wlc_corereset(). so clk is on, set it */
2588 wlc_radio_monitor_stop(wlc
);
2590 /* Set EDCF hostflags */
2591 if (EDCF_ENAB(wlc
->pub
)) {
2592 wlc_mhf(wlc
, MHF1
, MHF1_EDCF
, MHF1_EDCF
, WLC_BAND_ALL
);
2594 wlc_mhf(wlc
, MHF1
, MHF1_EDCF
, 0, WLC_BAND_ALL
);
2597 if (WLC_WAR16165(wlc
))
2598 wlc_mhf(wlc
, MHF2
, MHF2_PCISLOWCLKWAR
, MHF2_PCISLOWCLKWAR
,
2602 wlc
->pub
->up
= true;
2604 if (wlc
->bandinit_pending
) {
2605 wlc_suspend_mac_and_wait(wlc
);
2606 wlc_set_chanspec(wlc
, wlc
->default_bss
->chanspec
);
2607 wlc
->bandinit_pending
= false;
2608 wlc_enable_mac(wlc
);
2611 wlc_bmac_up_finish(wlc
->hw
);
2613 /* other software states up after ISR is running */
2614 /* start APs that were to be brought up but are not up yet */
2615 /* if (AP_ENAB(wlc->pub)) wlc_restart_ap(wlc->ap); */
2617 /* Program the TX wme params with the current settings */
2618 wlc_wme_retries_write(wlc
);
2620 /* start one second watchdog timer */
2621 ASSERT(!wlc
->WDarmed
);
2622 wl_add_timer(wlc
->wl
, wlc
->wdtimer
, TIMER_INTERVAL_WATCHDOG
, true);
2623 wlc
->WDarmed
= true;
2625 /* ensure antenna config is up to date */
2626 wlc_stf_phy_txant_upd(wlc
);
2627 /* ensure LDPC config is in sync */
2628 wlc_ht_update_ldpc(wlc
, wlc
->stf
->ldpc
);
2633 /* Initialize the base precedence map for dequeueing from txq based on WME settings */
2634 static void wlc_tx_prec_map_init(wlc_info_t
*wlc
)
2636 wlc
->tx_prec_map
= WLC_PREC_BMP_ALL
;
2637 memset(wlc
->fifo2prec_map
, 0, NFIFO
* sizeof(u16
));
2639 /* For non-WME, both fifos have overlapping MAXPRIO. So just disable all precedences
2640 * if either is full.
2642 if (!EDCF_ENAB(wlc
->pub
)) {
2643 wlc
->fifo2prec_map
[TX_DATA_FIFO
] = WLC_PREC_BMP_ALL
;
2644 wlc
->fifo2prec_map
[TX_CTL_FIFO
] = WLC_PREC_BMP_ALL
;
2646 wlc
->fifo2prec_map
[TX_AC_BK_FIFO
] = WLC_PREC_BMP_AC_BK
;
2647 wlc
->fifo2prec_map
[TX_AC_BE_FIFO
] = WLC_PREC_BMP_AC_BE
;
2648 wlc
->fifo2prec_map
[TX_AC_VI_FIFO
] = WLC_PREC_BMP_AC_VI
;
2649 wlc
->fifo2prec_map
[TX_AC_VO_FIFO
] = WLC_PREC_BMP_AC_VO
;
2653 static uint
wlc_down_del_timer(wlc_info_t
*wlc
)
2661 * Mark the interface nonoperational, stop the software mechanisms,
2662 * disable the hardware, free any transient buffer state.
2663 * Return a count of the number of driver callbacks still pending.
2665 uint
wlc_down(wlc_info_t
*wlc
)
2670 bool dev_gone
= false;
2673 WL_TRACE(("wl%d: %s:\n", wlc
->pub
->unit
, __func__
));
2675 /* check if we are already in the going down path */
2676 if (wlc
->going_down
) {
2677 WL_ERROR(("wl%d: %s: Driver going down so return\n",
2678 wlc
->pub
->unit
, __func__
));
2684 /* in between, mpc could try to bring down again.. */
2685 wlc
->going_down
= true;
2687 callbacks
+= wlc_bmac_down_prep(wlc
->hw
);
2689 dev_gone
= DEVICEREMOVED(wlc
);
2691 /* Call any registered down handlers */
2692 for (i
= 0; i
< WLC_MAXMODULES
; i
++) {
2693 if (wlc
->modulecb
[i
].down_fn
)
2695 wlc
->modulecb
[i
].down_fn(wlc
->modulecb
[i
].hdl
);
2698 /* cancel the watchdog timer */
2700 if (!wl_del_timer(wlc
->wl
, wlc
->wdtimer
))
2702 wlc
->WDarmed
= false;
2704 /* cancel all other timers */
2705 callbacks
+= wlc_down_del_timer(wlc
);
2707 /* interrupt must have been blocked */
2708 ASSERT((wlc
->macintmask
== 0) || !wlc
->pub
->up
);
2710 wlc
->pub
->up
= false;
2712 wlc_phy_mute_upd(wlc
->band
->pi
, false, PHY_MUTE_ALL
);
2714 /* clear txq flow control */
2715 wlc_txflowcontrol_reset(wlc
);
2717 /* flush tx queues */
2718 for (qi
= wlc
->tx_queues
; qi
!= NULL
; qi
= qi
->next
) {
2719 pktq_flush(wlc
->osh
, &qi
->q
, true, NULL
, 0);
2720 ASSERT(pktq_empty(&qi
->q
));
2723 /* flush event queue.
2724 * Should be the last thing done after all the events are generated
2725 * Just delivers the events synchronously instead of waiting for a timer
2727 callbacks
+= wlc_eventq_down(wlc
->eventq
);
2729 callbacks
+= wlc_bmac_down_finish(wlc
->hw
);
2731 /* wlc_bmac_down_finish has done wlc_coredisable(). so clk is off */
2735 /* Verify all packets are flushed from the driver */
2736 if (wlc
->osh
->pub
.pktalloced
!= 0) {
2737 WL_ERROR(("%d packets not freed at wlc_down!!!!!!\n",
2738 wlc
->osh
->pub
.pktalloced
));
2741 /* Since all the packets should have been freed,
2742 * all callbacks should have been called
2744 for (i
= 1; i
<= wlc
->pub
->tunables
->maxpktcb
; i
++)
2745 ASSERT(wlc
->pkt_callback
[i
].fn
== NULL
);
2747 wlc
->going_down
= false;
2751 /* Set the current gmode configuration */
2752 int wlc_set_gmode(wlc_info_t
*wlc
, u8 gmode
, bool config
)
2757 /* Default to 54g Auto */
2758 s8 shortslot
= WLC_SHORTSLOT_AUTO
; /* Advertise and use shortslot (-1/0/1 Auto/Off/On) */
2759 bool shortslot_restrict
= false; /* Restrict association to stations that support shortslot
2761 bool ignore_bcns
= true; /* Ignore legacy beacons on the same channel */
2762 bool ofdm_basic
= false; /* Make 6, 12, and 24 basic rates */
2763 int preamble
= WLC_PLCP_LONG
; /* Advertise and use short preambles (-1/0/1 Auto/Off/On) */
2764 bool preamble_restrict
= false; /* Restrict association to stations that support short
2769 /* if N-support is enabled, allow Gmode set as long as requested
2770 * Gmode is not GMODE_LEGACY_B
2772 if (N_ENAB(wlc
->pub
) && gmode
== GMODE_LEGACY_B
)
2773 return BCME_UNSUPPORTED
;
2775 /* verify that we are dealing with 2G band and grab the band pointer */
2776 if (wlc
->band
->bandtype
== WLC_BAND_2G
)
2778 else if ((NBANDS(wlc
) > 1) &&
2779 (wlc
->bandstate
[OTHERBANDUNIT(wlc
)]->bandtype
== WLC_BAND_2G
))
2780 band
= wlc
->bandstate
[OTHERBANDUNIT(wlc
)];
2782 return BCME_BADBAND
;
2784 /* Legacy or bust when no OFDM is supported by regulatory */
2785 if ((wlc_channel_locale_flags_in_band(wlc
->cmi
, band
->bandunit
) &
2786 WLC_NO_OFDM
) && (gmode
!= GMODE_LEGACY_B
))
2789 /* update configuration value */
2791 wlc_protection_upd(wlc
, WLC_PROT_G_USER
, gmode
);
2793 /* Clear supported rates filter */
2794 memset(&wlc
->sup_rates_override
, 0, sizeof(wlc_rateset_t
));
2796 /* Clear rateset override */
2797 memset(&rs
, 0, sizeof(wlc_rateset_t
));
2800 case GMODE_LEGACY_B
:
2801 shortslot
= WLC_SHORTSLOT_OFF
;
2802 wlc_rateset_copy(&gphy_legacy_rates
, &rs
);
2807 if (AP_ENAB(wlc
->pub
))
2808 wlc_rateset_copy(&cck_rates
, &wlc
->sup_rates_override
);
2812 /* Accept defaults */
2817 preamble
= WLC_PLCP_SHORT
;
2818 preamble_restrict
= true;
2821 case GMODE_PERFORMANCE
:
2822 if (AP_ENAB(wlc
->pub
)) /* Put all rates into the Supported Rates element */
2823 wlc_rateset_copy(&cck_ofdm_rates
,
2824 &wlc
->sup_rates_override
);
2826 shortslot
= WLC_SHORTSLOT_ON
;
2827 shortslot_restrict
= true;
2829 preamble
= WLC_PLCP_SHORT
;
2830 preamble_restrict
= true;
2835 WL_ERROR(("wl%d: %s: invalid gmode %d\n", wlc
->pub
->unit
,
2837 return BCME_UNSUPPORTED
;
2841 * If we are switching to gmode == GMODE_LEGACY_B,
2842 * clean up rate info that may refer to OFDM rates.
2844 if ((gmode
== GMODE_LEGACY_B
) && (band
->gmode
!= GMODE_LEGACY_B
)) {
2845 band
->gmode
= gmode
;
2846 if (band
->rspec_override
&& !IS_CCK(band
->rspec_override
)) {
2847 band
->rspec_override
= 0;
2848 wlc_reprate_init(wlc
);
2850 if (band
->mrspec_override
&& !IS_CCK(band
->mrspec_override
)) {
2851 band
->mrspec_override
= 0;
2855 band
->gmode
= gmode
;
2857 wlc
->ignore_bcns
= ignore_bcns
;
2859 wlc
->shortslot_override
= shortslot
;
2861 if (AP_ENAB(wlc
->pub
)) {
2862 /* wlc->ap->shortslot_restrict = shortslot_restrict; */
2863 wlc
->PLCPHdr_override
=
2865 WLC_PLCP_LONG
) ? WLC_PLCP_SHORT
: WLC_PLCP_AUTO
;
2868 if ((AP_ENAB(wlc
->pub
) && preamble
!= WLC_PLCP_LONG
)
2869 || preamble
== WLC_PLCP_SHORT
)
2870 wlc
->default_bss
->capability
|= DOT11_CAP_SHORT
;
2872 wlc
->default_bss
->capability
&= ~DOT11_CAP_SHORT
;
2874 /* Update shortslot capability bit for AP and IBSS */
2875 if ((AP_ENAB(wlc
->pub
) && shortslot
== WLC_SHORTSLOT_AUTO
) ||
2876 shortslot
== WLC_SHORTSLOT_ON
)
2877 wlc
->default_bss
->capability
|= DOT11_CAP_SHORTSLOT
;
2879 wlc
->default_bss
->capability
&= ~DOT11_CAP_SHORTSLOT
;
2881 /* Use the default 11g rateset */
2883 wlc_rateset_copy(&cck_ofdm_rates
, &rs
);
2886 for (i
= 0; i
< rs
.count
; i
++) {
2887 if (rs
.rates
[i
] == WLC_RATE_6M
2888 || rs
.rates
[i
] == WLC_RATE_12M
2889 || rs
.rates
[i
] == WLC_RATE_24M
)
2890 rs
.rates
[i
] |= WLC_RATE_FLAG
;
2894 /* Set default bss rateset */
2895 wlc
->default_bss
->rateset
.count
= rs
.count
;
2896 bcopy((char *)rs
.rates
, (char *)wlc
->default_bss
->rateset
.rates
,
2897 sizeof(wlc
->default_bss
->rateset
.rates
));
2902 static int wlc_nmode_validate(wlc_info_t
*wlc
, s32 nmode
)
2914 if (!(WLC_PHY_11N_CAP(wlc
->band
)))
2926 int wlc_set_nmode(wlc_info_t
*wlc
, s32 nmode
)
2931 err
= wlc_nmode_validate(wlc
, nmode
);
2938 wlc
->pub
->_n_enab
= OFF
;
2939 wlc
->default_bss
->flags
&= ~WLC_BSS_HT
;
2940 /* delete the mcs rates from the default and hw ratesets */
2941 wlc_rateset_mcs_clear(&wlc
->default_bss
->rateset
);
2942 for (i
= 0; i
< NBANDS(wlc
); i
++) {
2943 memset(wlc
->bandstate
[i
]->hw_rateset
.mcs
, 0,
2945 if (IS_MCS(wlc
->band
->rspec_override
)) {
2946 wlc
->bandstate
[i
]->rspec_override
= 0;
2947 wlc_reprate_init(wlc
);
2949 if (IS_MCS(wlc
->band
->mrspec_override
))
2950 wlc
->bandstate
[i
]->mrspec_override
= 0;
2955 if (wlc
->stf
->txstreams
== WL_11N_3x3
)
2961 ASSERT(WLC_PHY_11N_CAP(wlc
->band
));
2962 /* force GMODE_AUTO if NMODE is ON */
2963 wlc_set_gmode(wlc
, GMODE_AUTO
, true);
2964 if (nmode
== WL_11N_3x3
)
2965 wlc
->pub
->_n_enab
= SUPPORT_HT
;
2967 wlc
->pub
->_n_enab
= SUPPORT_11N
;
2968 wlc
->default_bss
->flags
|= WLC_BSS_HT
;
2969 /* add the mcs rates to the default and hw ratesets */
2970 wlc_rateset_mcs_build(&wlc
->default_bss
->rateset
,
2971 wlc
->stf
->txstreams
);
2972 for (i
= 0; i
< NBANDS(wlc
); i
++)
2973 memcpy(wlc
->bandstate
[i
]->hw_rateset
.mcs
,
2974 wlc
->default_bss
->rateset
.mcs
, MCSSET_LEN
);
2985 static int wlc_set_rateset(wlc_info_t
*wlc
, wlc_rateset_t
*rs_arg
)
2987 wlc_rateset_t rs
, new;
2990 bcopy((char *)rs_arg
, (char *)&rs
, sizeof(wlc_rateset_t
));
2992 /* check for bad count value */
2993 if ((rs
.count
== 0) || (rs
.count
> WLC_NUMRATES
))
2994 return BCME_BADRATESET
;
2996 /* try the current band */
2997 bandunit
= wlc
->band
->bandunit
;
2998 bcopy((char *)&rs
, (char *)&new, sizeof(wlc_rateset_t
));
2999 if (wlc_rate_hwrs_filter_sort_validate
3000 (&new, &wlc
->bandstate
[bandunit
]->hw_rateset
, true,
3001 wlc
->stf
->txstreams
))
3004 /* try the other band */
3005 if (IS_MBAND_UNLOCKED(wlc
)) {
3006 bandunit
= OTHERBANDUNIT(wlc
);
3007 bcopy((char *)&rs
, (char *)&new, sizeof(wlc_rateset_t
));
3008 if (wlc_rate_hwrs_filter_sort_validate(&new,
3010 bandstate
[bandunit
]->
3012 wlc
->stf
->txstreams
))
3019 /* apply new rateset */
3020 bcopy((char *)&new, (char *)&wlc
->default_bss
->rateset
,
3021 sizeof(wlc_rateset_t
));
3022 bcopy((char *)&new, (char *)&wlc
->bandstate
[bandunit
]->defrateset
,
3023 sizeof(wlc_rateset_t
));
3027 /* simplified integer set interface for common ioctl handler */
3028 int wlc_set(wlc_info_t
*wlc
, int cmd
, int arg
)
3030 return wlc_ioctl(wlc
, cmd
, (void *)&arg
, sizeof(arg
), NULL
);
3033 /* simplified integer get interface for common ioctl handler */
3034 int wlc_get(wlc_info_t
*wlc
, int cmd
, int *arg
)
3036 return wlc_ioctl(wlc
, cmd
, arg
, sizeof(int), NULL
);
3039 static void wlc_ofdm_rateset_war(wlc_info_t
*wlc
)
3044 if (wlc
->cfg
->associated
)
3045 r
= wlc
->cfg
->current_bss
->rateset
.rates
[0];
3047 r
= wlc
->default_bss
->rateset
.rates
[0];
3049 wlc_phy_ofdm_rateset_war(wlc
->band
->pi
, war
);
3055 wlc_ioctl(wlc_info_t
*wlc
, int cmd
, void *arg
, int len
, struct wlc_if
*wlcif
)
3057 return _wlc_ioctl(wlc
, cmd
, arg
, len
, wlcif
);
3060 /* common ioctl handler. return: 0=ok, -1=error, positive=particular error */
3062 _wlc_ioctl(wlc_info_t
*wlc
, int cmd
, void *arg
, int len
, struct wlc_if
*wlcif
)
3069 struct scb
*nextscb
;
3073 wlc_bsscfg_t
*bsscfg
;
3074 struct osl_info
*osh
;
3075 wlc_bss_info_t
*current_bss
;
3077 /* update bsscfg pointer */
3078 bsscfg
= NULL
; /* XXX: Hack bsscfg to be size one and use this globally */
3081 /* initialize the following to get rid of compiler warning */
3087 /* If the device is turned off, then it's not "removed" */
3088 if (!wlc
->pub
->hw_off
&& DEVICEREMOVED(wlc
)) {
3089 WL_ERROR(("wl%d: %s: dead chip\n", wlc
->pub
->unit
, __func__
));
3094 ASSERT(!(wlc
->pub
->hw_off
&& wlc
->pub
->up
));
3096 /* default argument is generic integer */
3097 pval
= arg
? (int *)arg
:NULL
;
3099 /* This will prevent the misaligned access */
3100 if (pval
&& (u32
) len
>= sizeof(val
))
3101 bcopy(pval
, &val
, sizeof(val
));
3105 /* bool conversion to avoid duplication below */
3106 bool_val
= val
!= 0;
3108 if (cmd
!= WLC_SET_CHANNEL
)
3109 WL_NONE(("WLC_IOCTL: cmd %d val 0x%x (%d) len %d\n", cmd
,
3110 (uint
) val
, val
, len
));
3116 /* A few commands don't need any arguments; all the others do. */
3124 case WLC_START_CHANNEL_QA
:
3129 if ((arg
== NULL
) || (len
<= 0)) {
3130 WL_ERROR(("wl%d: %s: Command %d needs arguments\n",
3131 wlc
->pub
->unit
, __func__
, cmd
));
3132 bcmerror
= BCME_BADARG
;
3140 case WLC_GET_MSGLEVEL
:
3141 *pval
= wl_msg_level
;
3144 case WLC_SET_MSGLEVEL
:
3149 case WLC_GET_INSTANCE
:
3150 *pval
= wlc
->pub
->unit
;
3153 case WLC_GET_CHANNEL
:{
3154 channel_info_t
*ci
= (channel_info_t
*) arg
;
3156 ASSERT(len
> (int)sizeof(ci
));
3159 CHSPEC_CHANNEL(WLC_BAND_PI_RADIO_CHANSPEC
);
3160 ci
->target_channel
=
3161 CHSPEC_CHANNEL(wlc
->default_bss
->chanspec
);
3162 ci
->scan_channel
= 0;
3167 case WLC_SET_CHANNEL
:{
3168 chanspec_t chspec
= CH20MHZ_CHSPEC(val
);
3170 if (val
< 0 || val
> MAXCHANNEL
) {
3171 bcmerror
= BCME_OUTOFRANGECHAN
;
3175 if (!wlc_valid_chanspec_db(wlc
->cmi
, chspec
)) {
3176 bcmerror
= BCME_BADCHAN
;
3180 if (!wlc
->pub
->up
&& IS_MBAND_UNLOCKED(wlc
)) {
3181 if (wlc
->band
->bandunit
!=
3182 CHSPEC_WLCBANDUNIT(chspec
))
3183 wlc
->bandinit_pending
= true;
3185 wlc
->bandinit_pending
= false;
3188 wlc
->default_bss
->chanspec
= chspec
;
3189 /* wlc_BSSinit() will sanitize the rateset before using it.. */
3190 if (wlc
->pub
->up
&& !wlc
->pub
->associated
&&
3191 (WLC_BAND_PI_RADIO_CHANSPEC
!= chspec
)) {
3192 wlc_set_home_chanspec(wlc
, chspec
);
3193 wlc_suspend_mac_and_wait(wlc
);
3194 wlc_set_chanspec(wlc
, chspec
);
3195 wlc_enable_mac(wlc
);
3201 case WLC_GET_UCFLAGS
:
3202 if (!wlc
->pub
->up
) {
3203 bcmerror
= BCME_NOTUP
;
3207 /* optional band is stored in the second integer of incoming buffer */
3210 (int)(2 * sizeof(int))) ? WLC_BAND_AUTO
: ((int *)arg
)[1];
3212 /* bcmerror checking */
3213 bcmerror
= wlc_iocregchk(wlc
, band
);
3217 if (val
>= MHFMAX
) {
3218 bcmerror
= BCME_RANGE
;
3222 *pval
= wlc_bmac_mhf_get(wlc
->hw
, (u8
) val
, WLC_BAND_AUTO
);
3225 case WLC_SET_UCFLAGS
:
3226 if (!wlc
->pub
->up
) {
3227 bcmerror
= BCME_NOTUP
;
3231 /* optional band is stored in the second integer of incoming buffer */
3234 (int)(2 * sizeof(int))) ? WLC_BAND_AUTO
: ((int *)arg
)[1];
3236 /* bcmerror checking */
3237 bcmerror
= wlc_iocregchk(wlc
, band
);
3243 bcmerror
= BCME_RANGE
;
3247 wlc_mhf(wlc
, (u8
) i
, 0xffff, (u16
) (val
>> NBITS(u16
)),
3254 /* optional band is stored in the second integer of incoming buffer */
3257 (int)(2 * sizeof(int))) ? WLC_BAND_AUTO
: ((int *)arg
)[1];
3259 /* bcmerror checking */
3260 bcmerror
= wlc_iocregchk(wlc
, band
);
3265 bcmerror
= BCME_BADADDR
;
3269 *pval
= wlc_read_shm(wlc
, (u16
) val
);
3275 /* optional band is stored in the second integer of incoming buffer */
3278 (int)(2 * sizeof(int))) ? WLC_BAND_AUTO
: ((int *)arg
)[1];
3280 /* bcmerror checking */
3281 bcmerror
= wlc_iocregchk(wlc
, band
);
3286 bcmerror
= BCME_BADADDR
;
3290 wlc_write_shm(wlc
, (u16
) val
,
3291 (u16
) (val
>> NBITS(u16
)));
3294 case WLC_R_REG
: /* MAC registers */
3296 r
= (rw_reg_t
*) arg
;
3297 band
= WLC_BAND_AUTO
;
3299 if (len
< (int)(sizeof(rw_reg_t
) - sizeof(uint
))) {
3300 bcmerror
= BCME_BUFTOOSHORT
;
3304 if (len
>= (int)sizeof(rw_reg_t
))
3307 /* bcmerror checking */
3308 bcmerror
= wlc_iocregchk(wlc
, band
);
3312 if ((r
->byteoff
+ r
->size
) > sizeof(d11regs_t
)) {
3313 bcmerror
= BCME_BADADDR
;
3316 if (r
->size
== sizeof(u32
))
3319 (u32
*)((unsigned char *)(unsigned long)regs
+
3321 else if (r
->size
== sizeof(u16
))
3324 (u16
*)((unsigned char *)(unsigned long)regs
+
3327 bcmerror
= BCME_BADADDR
;
3332 r
= (rw_reg_t
*) arg
;
3333 band
= WLC_BAND_AUTO
;
3335 if (len
< (int)(sizeof(rw_reg_t
) - sizeof(uint
))) {
3336 bcmerror
= BCME_BUFTOOSHORT
;
3340 if (len
>= (int)sizeof(rw_reg_t
))
3343 /* bcmerror checking */
3344 bcmerror
= wlc_iocregchk(wlc
, band
);
3348 if (r
->byteoff
+ r
->size
> sizeof(d11regs_t
)) {
3349 bcmerror
= BCME_BADADDR
;
3352 if (r
->size
== sizeof(u32
))
3354 (u32
*)((unsigned char *)(unsigned long) regs
+
3355 r
->byteoff
), r
->val
);
3356 else if (r
->size
== sizeof(u16
))
3358 (u16
*)((unsigned char *)(unsigned long) regs
+
3359 r
->byteoff
), r
->val
);
3361 bcmerror
= BCME_BADADDR
;
3366 *pval
= wlc
->stf
->txant
;
3370 bcmerror
= wlc_stf_ant_txant_validate(wlc
, (s8
) val
);
3374 wlc
->stf
->txant
= (s8
) val
;
3376 /* if down, we are done */
3380 wlc_suspend_mac_and_wait(wlc
);
3382 wlc_stf_phy_txant_upd(wlc
);
3383 wlc_beacon_phytxctl_txant_upd(wlc
, wlc
->bcn_rspec
);
3385 wlc_enable_mac(wlc
);
3389 case WLC_GET_ANTDIV
:{
3392 /* return configured value if core is down */
3393 if (!wlc
->pub
->up
) {
3394 *pval
= wlc
->stf
->ant_rx_ovr
;
3397 if (wlc_phy_ant_rxdiv_get
3398 (wlc
->band
->pi
, &phy_antdiv
))
3399 *pval
= (int)phy_antdiv
;
3401 *pval
= (int)wlc
->stf
->ant_rx_ovr
;
3406 case WLC_SET_ANTDIV
:
3407 /* values are -1=driver default, 0=force0, 1=force1, 2=start1, 3=start0 */
3408 if ((val
< -1) || (val
> 3)) {
3409 bcmerror
= BCME_RANGE
;
3414 val
= ANT_RX_DIV_DEF
;
3416 wlc
->stf
->ant_rx_ovr
= (u8
) val
;
3417 wlc_phy_ant_rxdiv_set(wlc
->band
->pi
, (u8
) val
);
3420 case WLC_GET_RX_ANT
:{ /* get latest used rx antenna */
3423 if (!wlc
->pub
->up
) {
3424 bcmerror
= BCME_NOTUP
;
3428 rxstatus
= R_REG(wlc
->osh
, &wlc
->regs
->phyrxstatus0
);
3429 if (rxstatus
== 0xdead || rxstatus
== (u16
) -1) {
3430 bcmerror
= BCME_ERROR
;
3433 *pval
= (rxstatus
& PRXS0_RXANT_UPSUBBAND
) ? 1 : 0;
3438 case WLC_GET_UCANTDIV
:
3440 bcmerror
= BCME_NOCLK
;
3445 (wlc_bmac_mhf_get(wlc
->hw
, MHF1
, WLC_BAND_AUTO
) &
3449 case WLC_SET_UCANTDIV
:{
3450 if (!wlc
->pub
->up
) {
3451 bcmerror
= BCME_NOTUP
;
3455 /* if multiband, band must be locked */
3456 if (IS_MBAND_UNLOCKED(wlc
)) {
3457 bcmerror
= BCME_NOTBANDLOCKED
;
3461 /* 4322 supports antdiv in phy, no need to set it to ucode */
3462 if (WLCISNPHY(wlc
->band
)
3463 && D11REV_IS(wlc
->pub
->corerev
, 16)) {
3464 WL_ERROR(("wl%d: can't set ucantdiv for 4322\n",
3466 bcmerror
= BCME_UNSUPPORTED
;
3468 wlc_mhf(wlc
, MHF1
, MHF1_ANTDIV
,
3469 (val
? MHF1_ANTDIV
: 0), WLC_BAND_AUTO
);
3472 #endif /* defined(BCMDBG) */
3479 if (val
>= 1 && val
<= RETRY_SHORT_MAX
) {
3481 wlc
->SRL
= (u16
) val
;
3483 wlc_bmac_retrylimit_upd(wlc
->hw
, wlc
->SRL
, wlc
->LRL
);
3485 for (ac
= 0; ac
< AC_COUNT
; ac
++) {
3486 WLC_WME_RETRY_SHORT_SET(wlc
, ac
, wlc
->SRL
);
3488 wlc_wme_retries_write(wlc
);
3490 bcmerror
= BCME_RANGE
;
3498 if (val
>= 1 && val
<= 255) {
3500 wlc
->LRL
= (u16
) val
;
3502 wlc_bmac_retrylimit_upd(wlc
->hw
, wlc
->SRL
, wlc
->LRL
);
3504 for (ac
= 0; ac
< AC_COUNT
; ac
++) {
3505 WLC_WME_RETRY_LONG_SET(wlc
, ac
, wlc
->LRL
);
3507 wlc_wme_retries_write(wlc
);
3509 bcmerror
= BCME_RANGE
;
3513 *pval
= wlc
->band
->CWmin
;
3518 bcmerror
= BCME_NOCLK
;
3522 if (val
>= 1 && val
<= 255) {
3523 wlc_set_cwmin(wlc
, (u16
) val
);
3525 bcmerror
= BCME_RANGE
;
3529 *pval
= wlc
->band
->CWmax
;
3534 bcmerror
= BCME_NOCLK
;
3538 if (val
>= 255 && val
<= 2047) {
3539 wlc_set_cwmax(wlc
, (u16
) val
);
3541 bcmerror
= BCME_RANGE
;
3544 case WLC_GET_RADIO
: /* use mask if don't want to expose some internal bits */
3545 *pval
= wlc
->pub
->radio_disabled
;
3548 case WLC_SET_RADIO
:{ /* 32 bits input, higher 16 bits are mask, lower 16 bits are value to
3551 u16 radiomask
, radioval
;
3553 WL_RADIO_SW_DISABLE
| WL_RADIO_HW_DISABLE
;
3556 radiomask
= (val
& 0xffff0000) >> 16;
3557 radioval
= val
& 0x0000ffff;
3559 if ((radiomask
== 0) || (radiomask
& ~validbits
)
3560 || (radioval
& ~validbits
)
3561 || ((radioval
& ~radiomask
) != 0)) {
3562 WL_ERROR(("SET_RADIO with wrong bits 0x%x\n",
3564 bcmerror
= BCME_RANGE
;
3569 (wlc
->pub
->radio_disabled
& ~radiomask
) | radioval
;
3570 wlc
->pub
->radio_disabled
= new;
3572 wlc_radio_hwdisable_upd(wlc
);
3577 case WLC_GET_PHYTYPE
:
3578 *pval
= WLC_PHYTYPE(wlc
->band
->phytype
);
3583 if ((val
>= 0) && (val
< WLC_MAX_WSEC_KEYS(wlc
))) {
3586 wsec_key_t
*src_key
= wlc
->wsec_keys
[val
];
3588 if (len
< (int)sizeof(key
)) {
3589 bcmerror
= BCME_BUFTOOSHORT
;
3593 memset((char *)&key
, 0, sizeof(key
));
3595 key
.index
= src_key
->id
;
3596 key
.len
= src_key
->len
;
3597 bcopy(src_key
->data
, key
.data
, key
.len
);
3598 key
.algo
= src_key
->algo
;
3599 if (WSEC_SOFTKEY(wlc
, src_key
, bsscfg
))
3600 key
.flags
|= WL_SOFT_KEY
;
3601 if (src_key
->flags
& WSEC_PRIMARY_KEY
)
3602 key
.flags
|= WL_PRIMARY_KEY
;
3604 bcopy(src_key
->ea
.octet
, key
.ea
.octet
,
3608 bcopy((char *)&key
, arg
, sizeof(key
));
3610 bcmerror
= BCME_BADKEYIDX
;
3612 #endif /* defined(BCMDBG) */
3616 wlc_iovar_op(wlc
, "wsec_key", NULL
, 0, arg
, len
, IOV_SET
,
3620 case WLC_GET_KEY_SEQ
:{
3623 if (len
< DOT11_WPA_KEY_RSC_LEN
) {
3624 bcmerror
= BCME_BUFTOOSHORT
;
3628 /* Return the key's tx iv as an EAPOL sequence counter.
3629 * This will be used to supply the RSC value to a supplicant.
3630 * The format is 8 bytes, with least significant in seq[0].
3633 key
= WSEC_KEY(wlc
, val
);
3634 if ((val
>= 0) && (val
< WLC_MAX_WSEC_KEYS(wlc
)) &&
3636 u8 seq
[DOT11_WPA_KEY_RSC_LEN
];
3639 /* group keys in WPA-NONE (IBSS only, AES and TKIP) use a global TXIV */
3640 if ((bsscfg
->WPA_auth
& WPA_AUTH_NONE
)
3641 && ETHER_ISNULLADDR(&key
->ea
)) {
3642 lo
= bsscfg
->wpa_none_txiv
.lo
;
3643 hi
= bsscfg
->wpa_none_txiv
.hi
;
3649 /* format the buffer, low to high */
3651 seq
[1] = (lo
>> 8) & 0xff;
3653 seq
[3] = (hi
>> 8) & 0xff;
3654 seq
[4] = (hi
>> 16) & 0xff;
3655 seq
[5] = (hi
>> 24) & 0xff;
3659 bcopy((char *)seq
, arg
, sizeof(seq
));
3661 bcmerror
= BCME_BADKEYIDX
;
3666 case WLC_GET_CURR_RATESET
:{
3667 wl_rateset_t
*ret_rs
= (wl_rateset_t
*) arg
;
3670 if (bsscfg
->associated
)
3671 rs
= ¤t_bss
->rateset
;
3673 rs
= &wlc
->default_bss
->rateset
;
3675 if (len
< (int)(rs
->count
+ sizeof(rs
->count
))) {
3676 bcmerror
= BCME_BUFTOOSHORT
;
3680 /* Copy only legacy rateset section */
3681 ret_rs
->count
= rs
->count
;
3682 bcopy(&rs
->rates
, &ret_rs
->rates
, rs
->count
);
3686 case WLC_GET_RATESET
:{
3688 wl_rateset_t
*ret_rs
= (wl_rateset_t
*) arg
;
3690 memset(&rs
, 0, sizeof(wlc_rateset_t
));
3691 wlc_default_rateset(wlc
, (wlc_rateset_t
*) &rs
);
3693 if (len
< (int)(rs
.count
+ sizeof(rs
.count
))) {
3694 bcmerror
= BCME_BUFTOOSHORT
;
3698 /* Copy only legacy rateset section */
3699 ret_rs
->count
= rs
.count
;
3700 bcopy(&rs
.rates
, &ret_rs
->rates
, rs
.count
);
3704 case WLC_SET_RATESET
:{
3706 wl_rateset_t
*in_rs
= (wl_rateset_t
*) arg
;
3708 if (len
< (int)(in_rs
->count
+ sizeof(in_rs
->count
))) {
3709 bcmerror
= BCME_BUFTOOSHORT
;
3713 if (in_rs
->count
> WLC_NUMRATES
) {
3714 bcmerror
= BCME_BUFTOOLONG
;
3718 memset(&rs
, 0, sizeof(wlc_rateset_t
));
3720 /* Copy only legacy rateset section */
3721 rs
.count
= in_rs
->count
;
3722 bcopy(&in_rs
->rates
, &rs
.rates
, rs
.count
);
3724 /* merge rateset coming in with the current mcsset */
3725 if (N_ENAB(wlc
->pub
)) {
3726 if (bsscfg
->associated
)
3727 bcopy(¤t_bss
->rateset
.mcs
[0],
3728 rs
.mcs
, MCSSET_LEN
);
3730 bcopy(&wlc
->default_bss
->rateset
.mcs
[0],
3731 rs
.mcs
, MCSSET_LEN
);
3734 bcmerror
= wlc_set_rateset(wlc
, &rs
);
3737 wlc_ofdm_rateset_war(wlc
);
3742 case WLC_GET_BCNPRD
:
3743 if (BSSCFG_STA(bsscfg
) && bsscfg
->BSS
&& bsscfg
->associated
)
3744 *pval
= current_bss
->beacon_period
;
3746 *pval
= wlc
->default_bss
->beacon_period
;
3749 case WLC_SET_BCNPRD
:
3750 /* range [1, 0xffff] */
3751 if (val
>= DOT11_MIN_BEACON_PERIOD
3752 && val
<= DOT11_MAX_BEACON_PERIOD
) {
3753 wlc
->default_bss
->beacon_period
= (u16
) val
;
3755 bcmerror
= BCME_RANGE
;
3758 case WLC_GET_DTIMPRD
:
3759 if (BSSCFG_STA(bsscfg
) && bsscfg
->BSS
&& bsscfg
->associated
)
3760 *pval
= current_bss
->dtim_period
;
3762 *pval
= wlc
->default_bss
->dtim_period
;
3765 case WLC_SET_DTIMPRD
:
3766 /* range [1, 0xff] */
3767 if (val
>= DOT11_MIN_DTIM_PERIOD
3768 && val
<= DOT11_MAX_DTIM_PERIOD
) {
3769 wlc
->default_bss
->dtim_period
= (u8
) val
;
3771 bcmerror
= BCME_RANGE
;
3780 if ((val
>= PM_OFF
) && (val
<= PM_MAX
)) {
3784 /* Change watchdog driver to align watchdog with tbtt if possible */
3785 wlc_watchdog_upd(wlc
, PS_ALLOWED(wlc
));
3787 bcmerror
= BCME_ERROR
;
3789 #endif /* SUPPORT_PS */
3794 if (AP_ENAB(wlc
->pub
)) {
3795 bcmerror
= BCME_NOTSTA
;
3802 if (AP_ENAB(wlc
->pub
)) {
3803 bcmerror
= BCME_NOTSTA
;
3807 wlc
->wake
= val
? true : false;
3809 /* if down, we're done */
3813 /* apply to the mac */
3814 wlc_set_ps_ctrl(wlc
);
3817 #endif /* SUPPORT_PS */
3819 case WLC_GET_REVINFO
:
3820 bcmerror
= wlc_get_revision_info(wlc
, arg
, (uint
) len
);
3824 *pval
= (int)AP_ENAB(wlc
->pub
);
3828 if (bsscfg
->associated
)
3829 *pval
= (int)current_bss
->atim_window
;
3831 *pval
= (int)wlc
->default_bss
->atim_window
;
3835 wlc
->default_bss
->atim_window
= (u32
) val
;
3838 case WLC_GET_PKTCNTS
:{
3839 get_pktcnt_t
*pktcnt
= (get_pktcnt_t
*) pval
;
3840 if (WLC_UPDATE_STATS(wlc
))
3842 pktcnt
->rx_good_pkt
= WLCNTVAL(wlc
->pub
->_cnt
->rxframe
);
3843 pktcnt
->rx_bad_pkt
= WLCNTVAL(wlc
->pub
->_cnt
->rxerror
);
3844 pktcnt
->tx_good_pkt
=
3845 WLCNTVAL(wlc
->pub
->_cnt
->txfrmsnt
);
3846 pktcnt
->tx_bad_pkt
=
3847 WLCNTVAL(wlc
->pub
->_cnt
->txerror
) +
3848 WLCNTVAL(wlc
->pub
->_cnt
->txfail
);
3849 if (len
>= (int)sizeof(get_pktcnt_t
)) {
3850 /* Be backward compatible - only if buffer is large enough */
3851 pktcnt
->rx_ocast_good_pkt
=
3852 WLCNTVAL(wlc
->pub
->_cnt
->rxmfrmocast
);
3857 #ifdef SUPPORT_HWKEY
3860 wlc_iovar_op(wlc
, "wsec", NULL
, 0, arg
, len
, IOV_GET
,
3866 wlc_iovar_op(wlc
, "wsec", NULL
, 0, arg
, len
, IOV_SET
,
3870 case WLC_GET_WPA_AUTH
:
3871 *pval
= (int)bsscfg
->WPA_auth
;
3874 case WLC_SET_WPA_AUTH
:
3875 /* change of WPA_Auth modifies the PS_ALLOWED state */
3876 if (BSSCFG_STA(bsscfg
)) {
3877 bsscfg
->WPA_auth
= (u16
) val
;
3879 bsscfg
->WPA_auth
= (u16
) val
;
3881 #endif /* SUPPORT_HWKEY */
3883 case WLC_GET_BANDLIST
:
3884 /* count of number of bands, followed by each band type */
3885 *pval
++ = NBANDS(wlc
);
3886 *pval
++ = wlc
->band
->bandtype
;
3887 if (NBANDS(wlc
) > 1)
3888 *pval
++ = wlc
->bandstate
[OTHERBANDUNIT(wlc
)]->bandtype
;
3892 *pval
= wlc
->bandlocked
? wlc
->band
->bandtype
: WLC_BAND_AUTO
;
3895 case WLC_GET_PHYLIST
:
3897 unsigned char *cp
= arg
;
3899 bcmerror
= BCME_BUFTOOSHORT
;
3903 if (WLCISNPHY(wlc
->band
)) {
3905 } else if (WLCISLCNPHY(wlc
->band
)) {
3907 } else if (WLCISSSLPNPHY(wlc
->band
)) {
3914 case WLC_GET_SHORTSLOT
:
3915 *pval
= wlc
->shortslot
;
3918 case WLC_GET_SHORTSLOT_OVERRIDE
:
3919 *pval
= wlc
->shortslot_override
;
3922 case WLC_SET_SHORTSLOT_OVERRIDE
:
3923 if ((val
!= WLC_SHORTSLOT_AUTO
) &&
3924 (val
!= WLC_SHORTSLOT_OFF
) && (val
!= WLC_SHORTSLOT_ON
)) {
3925 bcmerror
= BCME_RANGE
;
3929 wlc
->shortslot_override
= (s8
) val
;
3931 /* shortslot is an 11g feature, so no more work if we are
3932 * currently on the 5G band
3934 if (BAND_5G(wlc
->band
->bandtype
))
3937 if (wlc
->pub
->up
&& wlc
->pub
->associated
) {
3938 /* let watchdog or beacon processing update shortslot */
3939 } else if (wlc
->pub
->up
) {
3940 /* unassociated shortslot is off */
3941 wlc_switch_shortslot(wlc
, false);
3943 /* driver is down, so just update the wlc_info value */
3944 if (wlc
->shortslot_override
== WLC_SHORTSLOT_AUTO
) {
3945 wlc
->shortslot
= false;
3948 (wlc
->shortslot_override
==
3955 case WLC_GET_LEGACY_ERP
:
3956 *pval
= wlc
->include_legacy_erp
;
3959 case WLC_SET_LEGACY_ERP
:
3960 if (wlc
->include_legacy_erp
== bool_val
)
3963 wlc
->include_legacy_erp
= bool_val
;
3965 if (AP_ENAB(wlc
->pub
) && wlc
->clk
) {
3966 wlc_update_beacon(wlc
);
3967 wlc_update_probe_resp(wlc
, true);
3972 if (wlc
->band
->bandtype
== WLC_BAND_2G
)
3973 *pval
= wlc
->band
->gmode
;
3974 else if (NBANDS(wlc
) > 1)
3975 *pval
= wlc
->bandstate
[OTHERBANDUNIT(wlc
)]->gmode
;
3979 if (!wlc
->pub
->associated
)
3980 bcmerror
= wlc_set_gmode(wlc
, (u8
) val
, true);
3982 bcmerror
= BCME_ASSOCIATED
;
3987 case WLC_GET_GMODE_PROTECTION
:
3988 *pval
= wlc
->protection
->_g
;
3991 case WLC_GET_PROTECTION_CONTROL
:
3992 *pval
= wlc
->protection
->overlap
;
3995 case WLC_SET_PROTECTION_CONTROL
:
3996 if ((val
!= WLC_PROTECTION_CTL_OFF
) &&
3997 (val
!= WLC_PROTECTION_CTL_LOCAL
) &&
3998 (val
!= WLC_PROTECTION_CTL_OVERLAP
)) {
3999 bcmerror
= BCME_RANGE
;
4003 wlc_protection_upd(wlc
, WLC_PROT_OVERLAP
, (s8
) val
);
4005 /* Current g_protection will sync up to the specified control alg in watchdog
4006 * if the driver is up and associated.
4007 * If the driver is down or not associated, the control setting has no effect.
4011 case WLC_GET_GMODE_PROTECTION_OVERRIDE
:
4012 *pval
= wlc
->protection
->g_override
;
4015 case WLC_SET_GMODE_PROTECTION_OVERRIDE
:
4016 if ((val
!= WLC_PROTECTION_AUTO
) &&
4017 (val
!= WLC_PROTECTION_OFF
) && (val
!= WLC_PROTECTION_ON
)) {
4018 bcmerror
= BCME_RANGE
;
4022 wlc_protection_upd(wlc
, WLC_PROT_G_OVR
, (s8
) val
);
4026 case WLC_SET_SUP_RATESET_OVERRIDE
:{
4027 wlc_rateset_t rs
, new;
4030 if (len
< (int)sizeof(wlc_rateset_t
)) {
4031 bcmerror
= BCME_BUFTOOSHORT
;
4034 bcopy((char *)arg
, (char *)&rs
, sizeof(wlc_rateset_t
));
4036 /* check for bad count value */
4037 if (rs
.count
> WLC_NUMRATES
) {
4038 bcmerror
= BCME_BADRATESET
; /* invalid rateset */
4042 /* this command is only appropriate for gmode operation */
4043 if (!(wlc
->band
->gmode
||
4045 && wlc
->bandstate
[OTHERBANDUNIT(wlc
)]->gmode
))) {
4046 bcmerror
= BCME_BADBAND
; /* gmode only command when not in gmode */
4050 /* check for an empty rateset to clear the override */
4051 if (rs
.count
== 0) {
4052 memset(&wlc
->sup_rates_override
, 0,
4053 sizeof(wlc_rateset_t
));
4057 /* validate rateset by comparing pre and post sorted against 11g hw rates */
4058 wlc_rateset_filter(&rs
, &new, false, WLC_RATES_CCK_OFDM
,
4059 RATE_MASK
, BSS_N_ENAB(wlc
, bsscfg
));
4060 wlc_rate_hwrs_filter_sort_validate(&new,
4063 wlc
->stf
->txstreams
);
4064 if (rs
.count
!= new.count
) {
4065 bcmerror
= BCME_BADRATESET
; /* invalid rateset */
4069 /* apply new rateset to the override */
4070 bcopy((char *)&new, (char *)&wlc
->sup_rates_override
,
4071 sizeof(wlc_rateset_t
));
4073 /* update bcn and probe resp if needed */
4074 if (wlc
->pub
->up
&& AP_ENAB(wlc
->pub
)
4075 && wlc
->pub
->associated
) {
4076 wlc_update_beacon(wlc
);
4077 wlc_update_probe_resp(wlc
, true);
4082 case WLC_GET_SUP_RATESET_OVERRIDE
:
4083 /* this command is only appropriate for gmode operation */
4084 if (!(wlc
->band
->gmode
||
4086 && wlc
->bandstate
[OTHERBANDUNIT(wlc
)]->gmode
))) {
4087 bcmerror
= BCME_BADBAND
; /* gmode only command when not in gmode */
4090 if (len
< (int)sizeof(wlc_rateset_t
)) {
4091 bcmerror
= BCME_BUFTOOSHORT
;
4094 bcopy((char *)&wlc
->sup_rates_override
, (char *)arg
,
4095 sizeof(wlc_rateset_t
));
4099 case WLC_GET_PRB_RESP_TIMEOUT
:
4100 *pval
= wlc
->prb_resp_timeout
;
4103 case WLC_SET_PRB_RESP_TIMEOUT
:
4105 bcmerror
= BCME_NOTDOWN
;
4108 if (val
< 0 || val
>= 0xFFFF) {
4109 bcmerror
= BCME_RANGE
; /* bad value */
4112 wlc
->prb_resp_timeout
= (u16
) val
;
4115 case WLC_GET_KEY_PRIMARY
:{
4118 /* treat the 'val' parm as the key id */
4119 key
= WSEC_BSS_DEFAULT_KEY(bsscfg
);
4121 *pval
= key
->id
== val
? true : false;
4123 bcmerror
= BCME_BADKEYIDX
;
4128 case WLC_SET_KEY_PRIMARY
:{
4129 wsec_key_t
*key
, *old_key
;
4131 bcmerror
= BCME_BADKEYIDX
;
4133 /* treat the 'val' parm as the key id */
4134 for (i
= 0; i
< WSEC_MAX_DEFAULT_KEYS
; i
++) {
4135 key
= bsscfg
->bss_def_keys
[i
];
4136 if (key
!= NULL
&& key
->id
== val
) {
4137 old_key
= WSEC_BSS_DEFAULT_KEY(bsscfg
);
4138 if (old_key
!= NULL
)
4141 key
->flags
|= WSEC_PRIMARY_KEY
;
4142 bsscfg
->wsec_index
= i
;
4158 /* validate the name value */
4160 for (i
= 0; i
< (uint
) len
&& *name
!= '\0';
4164 if (i
== (uint
) len
) {
4165 bcmerror
= BCME_BUFTOOSHORT
;
4168 i
++; /* include the null in the string length */
4170 if (cmd
== WLC_GET_VAR
) {
4172 wlc_iovar_op(wlc
, arg
,
4173 (void *)((s8
*) arg
+ i
),
4174 len
- i
, arg
, len
, IOV_GET
,
4178 wlc_iovar_op(wlc
, arg
, NULL
, 0,
4179 (void *)((s8
*) arg
+ i
),
4180 len
- i
, IOV_SET
, wlcif
);
4185 case WLC_SET_WSEC_PMK
:
4186 bcmerror
= BCME_UNSUPPORTED
;
4190 case WLC_CURRENT_PWR
:
4192 bcmerror
= BCME_NOTUP
;
4194 bcmerror
= wlc_get_current_txpwr(wlc
, arg
, len
);
4199 WL_ERROR(("%s: WLC_LAST\n", __func__
));
4204 if (VALID_BCMERROR(bcmerror
))
4205 wlc
->pub
->bcmerror
= bcmerror
;
4211 /* BMAC_NOTE: for HIGH_ONLY driver, this seems being called after RPC bus failed */
4212 /* In hw_off condition, IOCTLs that reach here are deemed safe but taclear would
4213 * certainly result in getting -1 for register reads. So skip ta_clear altogether
4215 if (!(wlc
->pub
->hw_off
))
4216 ASSERT(wlc_bmac_taclear(wlc
->hw
, ta_ok
) || !ta_ok
);
4222 /* consolidated register access ioctl error checking */
4223 int wlc_iocregchk(wlc_info_t
*wlc
, uint band
)
4225 /* if band is specified, it must be the current band */
4226 if ((band
!= WLC_BAND_AUTO
) && (band
!= (uint
) wlc
->band
->bandtype
))
4227 return BCME_BADBAND
;
4229 /* if multiband and band is not specified, band must be locked */
4230 if ((band
== WLC_BAND_AUTO
) && IS_MBAND_UNLOCKED(wlc
))
4231 return BCME_NOTBANDLOCKED
;
4233 /* must have core clocks */
4239 #endif /* defined(BCMDBG) */
4242 /* For some ioctls, make sure that the pi pointer matches the current phy */
4243 int wlc_iocpichk(wlc_info_t
*wlc
, uint phytype
)
4245 if (wlc
->band
->phytype
!= phytype
)
4246 return BCME_BADBAND
;
4251 /* Look up the given var name in the given table */
4252 static const bcm_iovar_t
*wlc_iovar_lookup(const bcm_iovar_t
*table
,
4255 const bcm_iovar_t
*vi
;
4256 const char *lookup_name
;
4258 /* skip any ':' delimited option prefixes */
4259 lookup_name
= strrchr(name
, ':');
4260 if (lookup_name
!= NULL
)
4265 ASSERT(table
!= NULL
);
4267 for (vi
= table
; vi
->name
; vi
++) {
4268 if (!strcmp(vi
->name
, lookup_name
))
4271 /* ran to end of table */
4273 return NULL
; /* var name not found */
4276 /* simplified integer get interface for common WLC_GET_VAR ioctl handler */
4277 int wlc_iovar_getint(wlc_info_t
*wlc
, const char *name
, int *arg
)
4279 return wlc_iovar_op(wlc
, name
, NULL
, 0, arg
, sizeof(s32
), IOV_GET
,
4283 /* simplified integer set interface for common WLC_SET_VAR ioctl handler */
4284 int wlc_iovar_setint(wlc_info_t
*wlc
, const char *name
, int arg
)
4286 return wlc_iovar_op(wlc
, name
, NULL
, 0, (void *)&arg
, sizeof(arg
),
4290 /* simplified s8 get interface for common WLC_GET_VAR ioctl handler */
4291 int wlc_iovar_gets8(wlc_info_t
*wlc
, const char *name
, s8
*arg
)
4297 wlc_iovar_op(wlc
, name
, NULL
, 0, &iovar_int
, sizeof(iovar_int
),
4300 *arg
= (s8
) iovar_int
;
4306 * register iovar table, watchdog and down handlers.
4307 * calling function must keep 'iovars' until wlc_module_unregister is called.
4308 * 'iovar' must have the last entry's name field being NULL as terminator.
4310 int wlc_module_register(wlc_pub_t
*pub
, const bcm_iovar_t
*iovars
,
4311 const char *name
, void *hdl
, iovar_fn_t i_fn
,
4312 watchdog_fn_t w_fn
, down_fn_t d_fn
)
4314 wlc_info_t
*wlc
= (wlc_info_t
*) pub
->wlc
;
4317 ASSERT(name
!= NULL
);
4318 ASSERT(i_fn
!= NULL
|| w_fn
!= NULL
|| d_fn
!= NULL
);
4320 /* find an empty entry and just add, no duplication check! */
4321 for (i
= 0; i
< WLC_MAXMODULES
; i
++) {
4322 if (wlc
->modulecb
[i
].name
[0] == '\0') {
4323 strncpy(wlc
->modulecb
[i
].name
, name
,
4324 sizeof(wlc
->modulecb
[i
].name
) - 1);
4325 wlc
->modulecb
[i
].iovars
= iovars
;
4326 wlc
->modulecb
[i
].hdl
= hdl
;
4327 wlc
->modulecb
[i
].iovar_fn
= i_fn
;
4328 wlc
->modulecb
[i
].watchdog_fn
= w_fn
;
4329 wlc
->modulecb
[i
].down_fn
= d_fn
;
4334 /* it is time to increase the capacity */
4335 ASSERT(i
< WLC_MAXMODULES
);
4336 return BCME_NORESOURCE
;
4339 /* unregister module callbacks */
4340 int wlc_module_unregister(wlc_pub_t
*pub
, const char *name
, void *hdl
)
4342 wlc_info_t
*wlc
= (wlc_info_t
*) pub
->wlc
;
4346 return BCME_NOTFOUND
;
4348 ASSERT(name
!= NULL
);
4350 for (i
= 0; i
< WLC_MAXMODULES
; i
++) {
4351 if (!strcmp(wlc
->modulecb
[i
].name
, name
) &&
4352 (wlc
->modulecb
[i
].hdl
== hdl
)) {
4353 memset(&wlc
->modulecb
[i
], 0, sizeof(modulecb_t
));
4358 /* table not found! */
4359 return BCME_NOTFOUND
;
4362 /* Write WME tunable parameters for retransmit/max rate from wlc struct to ucode */
4363 static void wlc_wme_retries_write(wlc_info_t
*wlc
)
4367 /* Need clock to do this */
4371 for (ac
= 0; ac
< AC_COUNT
; ac
++) {
4372 wlc_write_shm(wlc
, M_AC_TXLMT_ADDR(ac
), wlc
->wme_retries
[ac
]);
4376 /* Get or set an iovar. The params/p_len pair specifies any additional
4377 * qualifying parameters (e.g. an "element index") for a get, while the
4378 * arg/len pair is the buffer for the value to be set or retrieved.
4379 * Operation (get/set) is specified by the last argument.
4380 * interface context provided by wlcif
4382 * All pointers may point into the same buffer.
4385 wlc_iovar_op(wlc_info_t
*wlc
, const char *name
,
4386 void *params
, int p_len
, void *arg
, int len
,
4387 bool set
, struct wlc_if
*wlcif
)
4391 const bcm_iovar_t
*vi
= NULL
;
4395 ASSERT(name
!= NULL
);
4399 /* Get MUST have return space */
4400 ASSERT(set
|| (arg
&& len
));
4402 ASSERT(!(wlc
->pub
->hw_off
&& wlc
->pub
->up
));
4404 /* Set does NOT take qualifiers */
4405 ASSERT(!set
|| (!params
&& !p_len
));
4407 if (!set
&& (len
== sizeof(int)) &&
4408 !(IS_ALIGNED((unsigned long)(arg
), (uint
) sizeof(int)))) {
4409 WL_ERROR(("wl%d: %s unaligned get ptr for %s\n",
4410 wlc
->pub
->unit
, __func__
, name
));
4414 /* find the given iovar name */
4415 for (i
= 0; i
< WLC_MAXMODULES
; i
++) {
4416 if (!wlc
->modulecb
[i
].iovars
)
4418 vi
= wlc_iovar_lookup(wlc
->modulecb
[i
].iovars
, name
);
4422 /* iovar name not found */
4423 if (i
>= WLC_MAXMODULES
) {
4424 err
= BCME_UNSUPPORTED
;
4428 /* set up 'params' pointer in case this is a set command so that
4429 * the convenience int and bool code can be common to set and get
4431 if (params
== NULL
) {
4436 if (vi
->type
== IOVT_VOID
)
4438 else if (vi
->type
== IOVT_BUFFER
)
4441 /* all other types are integer sized */
4442 val_size
= sizeof(int);
4444 actionid
= set
? IOV_SVAL(vi
->varid
) : IOV_GVAL(vi
->varid
);
4446 /* Do the actual parameter implementation */
4447 err
= wlc
->modulecb
[i
].iovar_fn(wlc
->modulecb
[i
].hdl
, vi
, actionid
,
4448 name
, params
, p_len
, arg
, len
, val_size
,
4456 wlc_iovar_check(wlc_pub_t
*pub
, const bcm_iovar_t
*vi
, void *arg
, int len
,
4459 wlc_info_t
*wlc
= (wlc_info_t
*) pub
->wlc
;
4463 /* check generic condition flags */
4465 if (((vi
->flags
& IOVF_SET_DOWN
) && wlc
->pub
->up
) ||
4466 ((vi
->flags
& IOVF_SET_UP
) && !wlc
->pub
->up
)) {
4467 err
= (wlc
->pub
->up
? BCME_NOTDOWN
: BCME_NOTUP
);
4468 } else if ((vi
->flags
& IOVF_SET_BAND
)
4469 && IS_MBAND_UNLOCKED(wlc
)) {
4470 err
= BCME_NOTBANDLOCKED
;
4471 } else if ((vi
->flags
& IOVF_SET_CLK
) && !wlc
->clk
) {
4475 if (((vi
->flags
& IOVF_GET_DOWN
) && wlc
->pub
->up
) ||
4476 ((vi
->flags
& IOVF_GET_UP
) && !wlc
->pub
->up
)) {
4477 err
= (wlc
->pub
->up
? BCME_NOTDOWN
: BCME_NOTUP
);
4478 } else if ((vi
->flags
& IOVF_GET_BAND
)
4479 && IS_MBAND_UNLOCKED(wlc
)) {
4480 err
= BCME_NOTBANDLOCKED
;
4481 } else if ((vi
->flags
& IOVF_GET_CLK
) && !wlc
->clk
) {
4489 /* length check on io buf */
4490 err
= bcm_iovar_lencheck(vi
, arg
, len
, set
);
4494 /* On set, check value ranges for integer types */
4504 bcopy(arg
, &int_val
, sizeof(int));
4505 err
= wlc_iovar_rangecheck(wlc
, int_val
, vi
);
4513 /* handler for iovar table wlc_iovars */
4515 * IMPLEMENTATION NOTE: In order to avoid checking for get/set in each
4516 * iovar case, the switch statement maps the iovar id into separate get
4517 * and set values. If you add a new iovar to the switch you MUST use
4518 * IOV_GVAL and/or IOV_SVAL in the case labels to avoid conflict with
4520 * Please use params for additional qualifying parameters.
4523 wlc_doiovar(void *hdl
, const bcm_iovar_t
*vi
, u32 actionid
,
4524 const char *name
, void *params
, uint p_len
, void *arg
, int len
,
4525 int val_size
, struct wlc_if
*wlcif
)
4527 wlc_info_t
*wlc
= hdl
;
4528 wlc_bsscfg_t
*bsscfg
;
4535 wlc_bss_info_t
*current_bss
;
4537 WL_TRACE(("wl%d: %s\n", wlc
->pub
->unit
, __func__
));
4542 err
= wlc_iovar_check(wlc
->pub
, vi
, arg
, len
, IOV_ISSET(actionid
));
4546 /* convenience int and bool vals for first 8 bytes of buffer */
4547 if (p_len
>= (int)sizeof(int_val
))
4548 bcopy(params
, &int_val
, sizeof(int_val
));
4550 if (p_len
>= (int)sizeof(int_val
) * 2)
4551 bcopy((void *)((unsigned long)params
+ sizeof(int_val
)), &int_val2
,
4554 /* convenience int ptr for 4-byte gets (requires int aligned arg) */
4555 ret_int_ptr
= (s32
*) arg
;
4557 bool_val
= (int_val
!= 0) ? true : false;
4558 bool_val2
= (int_val2
!= 0) ? true : false;
4560 WL_TRACE(("wl%d: %s: id %d\n", wlc
->pub
->unit
, __func__
,
4562 /* Do the actual parameter implementation */
4565 case IOV_GVAL(IOV_QTXPOWER
):{
4569 err
= wlc_phy_txpower_get(wlc
->band
->pi
, &qdbm
,
4574 /* Return qdbm units */
4576 qdbm
| (override
? WL_TXPWR_OVERRIDE
: 0);
4580 /* As long as override is false, this only sets the *user* targets.
4581 User can twiddle this all he wants with no harm.
4582 wlc_phy_txpower_set() explicitly sets override to false if
4583 not internal or test.
4585 case IOV_SVAL(IOV_QTXPOWER
):{
4589 /* Remove override bit and clip to max qdbm value */
4590 qdbm
= (u8
)min_t(u32
, (int_val
& ~WL_TXPWR_OVERRIDE
), 0xff);
4591 /* Extract override setting */
4592 override
= (int_val
& WL_TXPWR_OVERRIDE
) ? true : false;
4594 wlc_phy_txpower_set(wlc
->band
->pi
, qdbm
, override
);
4598 case IOV_GVAL(IOV_MPC
):
4599 *ret_int_ptr
= (s32
) wlc
->mpc
;
4602 case IOV_SVAL(IOV_MPC
):
4603 wlc
->mpc
= bool_val
;
4604 wlc_radio_mpc_upd(wlc
);
4608 case IOV_GVAL(IOV_BCN_LI_BCN
):
4609 *ret_int_ptr
= wlc
->bcn_li_bcn
;
4612 case IOV_SVAL(IOV_BCN_LI_BCN
):
4613 wlc
->bcn_li_bcn
= (u8
) int_val
;
4615 wlc_bcn_li_upd(wlc
);
4619 WL_ERROR(("wl%d: %s: unsupported\n", wlc
->pub
->unit
, __func__
));
4620 err
= BCME_UNSUPPORTED
;
4624 goto exit
; /* avoid unused label warning */
4631 wlc_iovar_rangecheck(wlc_info_t
*wlc
, u32 val
, const bcm_iovar_t
*vi
)
4637 /* Only ranged integers are checked */
4640 max_val
|= 0x7fffffff;
4643 max_val
|= 0x00007fff;
4646 max_val
|= 0x0000007f;
4648 if (vi
->flags
& IOVF_NTRL
)
4650 else if (vi
->flags
& IOVF_WHL
)
4652 /* Signed values are checked against max_val and min_val */
4653 if ((s32
) val
< (s32
) min_val
4654 || (s32
) val
> (s32
) max_val
)
4659 max_val
|= 0xffffffff;
4662 max_val
|= 0x0000ffff;
4665 max_val
|= 0x000000ff;
4666 if (vi
->flags
& IOVF_NTRL
)
4668 if ((val
< min_val
) || (val
> max_val
))
4677 static const char *supr_reason
[] = {
4678 "None", "PMQ Entry", "Flush request",
4679 "Previous frag failure", "Channel mismatch",
4680 "Lifetime Expiry", "Underflow"
4683 static void wlc_print_txs_status(u16 s
)
4685 printf("[15:12] %d frame attempts\n", (s
& TX_STATUS_FRM_RTX_MASK
) >>
4686 TX_STATUS_FRM_RTX_SHIFT
);
4687 printf(" [11:8] %d rts attempts\n", (s
& TX_STATUS_RTS_RTX_MASK
) >>
4688 TX_STATUS_RTS_RTX_SHIFT
);
4689 printf(" [7] %d PM mode indicated\n",
4690 ((s
& TX_STATUS_PMINDCTD
) ? 1 : 0));
4691 printf(" [6] %d intermediate status\n",
4692 ((s
& TX_STATUS_INTERMEDIATE
) ? 1 : 0));
4693 printf(" [5] %d AMPDU\n", (s
& TX_STATUS_AMPDU
) ? 1 : 0);
4694 printf(" [4:2] %d Frame Suppressed Reason (%s)\n",
4695 ((s
& TX_STATUS_SUPR_MASK
) >> TX_STATUS_SUPR_SHIFT
),
4696 supr_reason
[(s
& TX_STATUS_SUPR_MASK
) >> TX_STATUS_SUPR_SHIFT
]);
4697 printf(" [1] %d acked\n", ((s
& TX_STATUS_ACK_RCV
) ? 1 : 0));
4701 void wlc_print_txstatus(tx_status_t
*txs
)
4704 u16 s
= txs
->status
;
4705 u16 ackphyrxsh
= txs
->ackphyrxsh
;
4707 printf("\ntxpkt (MPDU) Complete\n");
4709 printf("FrameID: %04x ", txs
->frameid
);
4710 printf("TxStatus: %04x", s
);
4713 wlc_print_txs_status(s
);
4715 printf("LastTxTime: %04x ", txs
->lasttxtime
);
4716 printf("Seq: %04x ", txs
->sequence
);
4717 printf("PHYTxStatus: %04x ", txs
->phyerr
);
4718 printf("RxAckRSSI: %04x ",
4719 (ackphyrxsh
& PRXS1_JSSI_MASK
) >> PRXS1_JSSI_SHIFT
);
4720 printf("RxAckSQ: %04x", (ackphyrxsh
& PRXS1_SQ_MASK
) >> PRXS1_SQ_SHIFT
);
4722 #endif /* defined(BCMDBG) */
4725 #define MACSTATUPD(name) \
4726 wlc_ctrupd_cache(macstats.name, &wlc->core->macstat_snapshot->name, &wlc->pub->_cnt->name)
4728 void wlc_statsupd(wlc_info_t
*wlc
)
4737 /* if driver down, make no sense to update stats */
4742 /* save last rx fifo 0 overflow count */
4743 rxf0ovfl
= wlc
->core
->macstat_snapshot
->rxf0ovfl
;
4745 /* save last tx fifo underflow count */
4746 for (i
= 0; i
< NFIFO
; i
++)
4747 txfunfl
[i
] = wlc
->core
->macstat_snapshot
->txfunfl
[i
];
4751 /* check for rx fifo 0 overflow */
4752 delta
= (u16
) (wlc
->core
->macstat_snapshot
->rxf0ovfl
- rxf0ovfl
);
4754 WL_ERROR(("wl%d: %u rx fifo 0 overflows!\n", wlc
->pub
->unit
,
4757 /* check for tx fifo underflows */
4758 for (i
= 0; i
< NFIFO
; i
++) {
4760 (u16
) (wlc
->core
->macstat_snapshot
->txfunfl
[i
] -
4763 WL_ERROR(("wl%d: %u tx fifo %d underflows!\n",
4764 wlc
->pub
->unit
, delta
, i
));
4768 /* dot11 counter update */
4770 WLCNTSET(wlc
->pub
->_cnt
->txrts
,
4771 (wlc
->pub
->_cnt
->rxctsucast
-
4772 wlc
->pub
->_cnt
->d11cnt_txrts_off
));
4773 WLCNTSET(wlc
->pub
->_cnt
->rxcrc
,
4774 (wlc
->pub
->_cnt
->rxbadfcs
- wlc
->pub
->_cnt
->d11cnt_rxcrc_off
));
4775 WLCNTSET(wlc
->pub
->_cnt
->txnocts
,
4776 ((wlc
->pub
->_cnt
->txrtsfrm
- wlc
->pub
->_cnt
->rxctsucast
) -
4777 wlc
->pub
->_cnt
->d11cnt_txnocts_off
));
4779 /* merge counters from dma module */
4780 for (i
= 0; i
< NFIFO
; i
++) {
4781 if (wlc
->hw
->di
[i
]) {
4782 WLCNTADD(wlc
->pub
->_cnt
->txnobuf
,
4783 (wlc
->hw
->di
[i
])->txnobuf
);
4784 WLCNTADD(wlc
->pub
->_cnt
->rxnobuf
,
4785 (wlc
->hw
->di
[i
])->rxnobuf
);
4786 WLCNTADD(wlc
->pub
->_cnt
->rxgiant
,
4787 (wlc
->hw
->di
[i
])->rxgiants
);
4788 dma_counterreset(wlc
->hw
->di
[i
]);
4793 * Aggregate transmit and receive errors that probably resulted
4794 * in the loss of a frame are computed on the fly.
4796 WLCNTSET(wlc
->pub
->_cnt
->txerror
,
4797 wlc
->pub
->_cnt
->txnobuf
+ wlc
->pub
->_cnt
->txnoassoc
+
4798 wlc
->pub
->_cnt
->txuflo
+ wlc
->pub
->_cnt
->txrunt
+
4799 wlc
->pub
->_cnt
->dmade
+ wlc
->pub
->_cnt
->dmada
+
4800 wlc
->pub
->_cnt
->dmape
);
4801 WLCNTSET(wlc
->pub
->_cnt
->rxerror
,
4802 wlc
->pub
->_cnt
->rxoflo
+ wlc
->pub
->_cnt
->rxnobuf
+
4803 wlc
->pub
->_cnt
->rxfragerr
+ wlc
->pub
->_cnt
->rxrunt
+
4804 wlc
->pub
->_cnt
->rxgiant
+ wlc
->pub
->_cnt
->rxnoscb
+
4805 wlc
->pub
->_cnt
->rxbadsrcmac
);
4806 for (i
= 0; i
< NFIFO
; i
++)
4807 WLCNTADD(wlc
->pub
->_cnt
->rxerror
, wlc
->pub
->_cnt
->rxuflo
[i
]);
4810 bool wlc_chipmatch(u16 vendor
, u16 device
)
4812 if (vendor
!= VENDOR_BROADCOM
) {
4813 WL_ERROR(("wlc_chipmatch: unknown vendor id %04x\n", vendor
));
4817 if ((device
== BCM43224_D11N_ID
) || (device
== BCM43225_D11N2G_ID
))
4820 if (device
== BCM4313_D11N2G_ID
)
4822 if ((device
== BCM43236_D11N_ID
) || (device
== BCM43236_D11N2G_ID
))
4825 WL_ERROR(("wlc_chipmatch: unknown device id %04x\n", device
));
4830 void wlc_print_txdesc(d11txh_t
*txh
)
4832 u16 mtcl
= ltoh16(txh
->MacTxControlLow
);
4833 u16 mtch
= ltoh16(txh
->MacTxControlHigh
);
4834 u16 mfc
= ltoh16(txh
->MacFrameControl
);
4835 u16 tfest
= ltoh16(txh
->TxFesTimeNormal
);
4836 u16 ptcw
= ltoh16(txh
->PhyTxControlWord
);
4837 u16 ptcw_1
= ltoh16(txh
->PhyTxControlWord_1
);
4838 u16 ptcw_1_Fbr
= ltoh16(txh
->PhyTxControlWord_1_Fbr
);
4839 u16 ptcw_1_Rts
= ltoh16(txh
->PhyTxControlWord_1_Rts
);
4840 u16 ptcw_1_FbrRts
= ltoh16(txh
->PhyTxControlWord_1_FbrRts
);
4841 u16 mainrates
= ltoh16(txh
->MainRates
);
4842 u16 xtraft
= ltoh16(txh
->XtraFrameTypes
);
4844 u8
*ra
= txh
->TxFrameRA
;
4845 u16 tfestfb
= ltoh16(txh
->TxFesTimeFallback
);
4846 u8
*rtspfb
= txh
->RTSPLCPFallback
;
4847 u16 rtsdfb
= ltoh16(txh
->RTSDurFallback
);
4848 u8
*fragpfb
= txh
->FragPLCPFallback
;
4849 u16 fragdfb
= ltoh16(txh
->FragDurFallback
);
4850 u16 mmodelen
= ltoh16(txh
->MModeLen
);
4851 u16 mmodefbrlen
= ltoh16(txh
->MModeFbrLen
);
4852 u16 tfid
= ltoh16(txh
->TxFrameID
);
4853 u16 txs
= ltoh16(txh
->TxStatus
);
4854 u16 mnmpdu
= ltoh16(txh
->MaxNMpdus
);
4855 u16 mabyte
= ltoh16(txh
->MaxABytes_MRT
);
4856 u16 mabyte_f
= ltoh16(txh
->MaxABytes_FBR
);
4857 u16 mmbyte
= ltoh16(txh
->MinMBytes
);
4859 u8
*rtsph
= txh
->RTSPhyHeader
;
4860 struct dot11_rts_frame rts
= txh
->rts_frame
;
4863 /* add plcp header along with txh descriptor */
4864 prhex("Raw TxDesc + plcp header", (unsigned char *) txh
, sizeof(d11txh_t
) + 48);
4866 printf("TxCtlLow: %04x ", mtcl
);
4867 printf("TxCtlHigh: %04x ", mtch
);
4868 printf("FC: %04x ", mfc
);
4869 printf("FES Time: %04x\n", tfest
);
4870 printf("PhyCtl: %04x%s ", ptcw
,
4871 (ptcw
& PHY_TXC_SHORT_HDR
) ? " short" : "");
4872 printf("PhyCtl_1: %04x ", ptcw_1
);
4873 printf("PhyCtl_1_Fbr: %04x\n", ptcw_1_Fbr
);
4874 printf("PhyCtl_1_Rts: %04x ", ptcw_1_Rts
);
4875 printf("PhyCtl_1_Fbr_Rts: %04x\n", ptcw_1_FbrRts
);
4876 printf("MainRates: %04x ", mainrates
);
4877 printf("XtraFrameTypes: %04x ", xtraft
);
4880 bcm_format_hex(hexbuf
, iv
, sizeof(txh
->IV
));
4881 printf("SecIV: %s\n", hexbuf
);
4882 bcm_format_hex(hexbuf
, ra
, sizeof(txh
->TxFrameRA
));
4883 printf("RA: %s\n", hexbuf
);
4885 printf("Fb FES Time: %04x ", tfestfb
);
4886 bcm_format_hex(hexbuf
, rtspfb
, sizeof(txh
->RTSPLCPFallback
));
4887 printf("RTS PLCP: %s ", hexbuf
);
4888 printf("RTS DUR: %04x ", rtsdfb
);
4889 bcm_format_hex(hexbuf
, fragpfb
, sizeof(txh
->FragPLCPFallback
));
4890 printf("PLCP: %s ", hexbuf
);
4891 printf("DUR: %04x", fragdfb
);
4894 printf("MModeLen: %04x ", mmodelen
);
4895 printf("MModeFbrLen: %04x\n", mmodefbrlen
);
4897 printf("FrameID: %04x\n", tfid
);
4898 printf("TxStatus: %04x\n", txs
);
4900 printf("MaxNumMpdu: %04x\n", mnmpdu
);
4901 printf("MaxAggbyte: %04x\n", mabyte
);
4902 printf("MaxAggbyte_fb: %04x\n", mabyte_f
);
4903 printf("MinByte: %04x\n", mmbyte
);
4905 bcm_format_hex(hexbuf
, rtsph
, sizeof(txh
->RTSPhyHeader
));
4906 printf("RTS PLCP: %s ", hexbuf
);
4907 bcm_format_hex(hexbuf
, (u8
*) &rts
, sizeof(txh
->rts_frame
));
4908 printf("RTS Frame: %s", hexbuf
);
4912 #endif /* defined(BCMDBG) */
4915 void wlc_print_rxh(d11rxhdr_t
*rxh
)
4917 u16 len
= rxh
->RxFrameSize
;
4918 u16 phystatus_0
= rxh
->PhyRxStatus_0
;
4919 u16 phystatus_1
= rxh
->PhyRxStatus_1
;
4920 u16 phystatus_2
= rxh
->PhyRxStatus_2
;
4921 u16 phystatus_3
= rxh
->PhyRxStatus_3
;
4922 u16 macstatus1
= rxh
->RxStatus1
;
4923 u16 macstatus2
= rxh
->RxStatus2
;
4926 static const bcm_bit_desc_t macstat_flags
[] = {
4927 {RXS_FCSERR
, "FCSErr"},
4928 {RXS_RESPFRAMETX
, "Reply"},
4929 {RXS_PBPRES
, "PADDING"},
4930 {RXS_DECATMPT
, "DeCr"},
4931 {RXS_DECERR
, "DeCrErr"},
4932 {RXS_BCNSENT
, "Bcn"},
4936 prhex("Raw RxDesc", (unsigned char *) rxh
, sizeof(d11rxhdr_t
));
4938 bcm_format_flags(macstat_flags
, macstatus1
, flagstr
, 64);
4940 snprintf(lenbuf
, sizeof(lenbuf
), "0x%x", len
);
4942 printf("RxFrameSize: %6s (%d)%s\n", lenbuf
, len
,
4943 (rxh
->PhyRxStatus_0
& PRXS0_SHORTH
) ? " short preamble" : "");
4944 printf("RxPHYStatus: %04x %04x %04x %04x\n",
4945 phystatus_0
, phystatus_1
, phystatus_2
, phystatus_3
);
4946 printf("RxMACStatus: %x %s\n", macstatus1
, flagstr
);
4947 printf("RXMACaggtype: %x\n", (macstatus2
& RXS_AGGTYPE_MASK
));
4948 printf("RxTSFTime: %04x\n", rxh
->RxTSFTime
);
4950 #endif /* defined(BCMDBG) */
4953 int wlc_format_ssid(char *buf
, const unsigned char ssid
[], uint ssid_len
)
4957 char *endp
= buf
+ SSID_FMT_BUF_LEN
;
4959 if (ssid_len
> DOT11_MAX_SSID_LEN
)
4960 ssid_len
= DOT11_MAX_SSID_LEN
;
4962 for (i
= 0; i
< ssid_len
; i
++) {
4967 } else if (isprint((unsigned char) c
)) {
4970 p
+= snprintf(p
, (endp
- p
), "\\x%02X", c
);
4976 return (int)(p
- buf
);
4978 #endif /* defined(BCMDBG) */
4980 u16
wlc_rate_shm_offset(wlc_info_t
*wlc
, u8 rate
)
4982 return wlc_bmac_rate_shm_offset(wlc
->hw
, rate
);
4985 /* Callback for device removed */
4988 * Attempts to queue a packet onto a multiple-precedence queue,
4989 * if necessary evicting a lower precedence packet from the queue.
4991 * 'prec' is the precedence number that has already been mapped
4992 * from the packet priority.
4994 * Returns true if packet consumed (queued), false if not.
4997 wlc_prec_enq(wlc_info_t
*wlc
, struct pktq
*q
, void *pkt
, int prec
)
4999 return wlc_prec_enq_head(wlc
, q
, pkt
, prec
, false);
5003 wlc_prec_enq_head(wlc_info_t
*wlc
, struct pktq
*q
, struct sk_buff
*pkt
,
5004 int prec
, bool head
)
5007 int eprec
= -1; /* precedence to evict from */
5009 /* Determine precedence from which to evict packet, if any */
5010 if (pktq_pfull(q
, prec
))
5012 else if (pktq_full(q
)) {
5013 p
= pktq_peek_tail(q
, &eprec
);
5016 WL_ERROR(("%s: Failing: eprec %d > prec %d\n", __func__
,
5022 /* Evict if needed */
5024 bool discard_oldest
;
5026 /* Detect queueing to unconfigured precedence */
5027 ASSERT(!pktq_pempty(q
, eprec
));
5029 discard_oldest
= AC_BITMAP_TST(wlc
->wme_dp
, eprec
);
5031 /* Refuse newer packet unless configured to discard oldest */
5032 if (eprec
== prec
&& !discard_oldest
) {
5033 WL_ERROR(("%s: No where to go, prec == %d\n", __func__
,
5038 /* Evict packet according to discard policy */
5039 p
= discard_oldest
? pktq_pdeq(q
, eprec
) : pktq_pdeq_tail(q
,
5043 /* Increment wme stats */
5044 if (WME_ENAB(wlc
->pub
)) {
5045 WLCNTINCR(wlc
->pub
->_wme_cnt
->
5046 tx_failed
[WME_PRIO2AC(p
->priority
)].packets
);
5047 WLCNTADD(wlc
->pub
->_wme_cnt
->
5048 tx_failed
[WME_PRIO2AC(p
->priority
)].bytes
,
5049 pkttotlen(wlc
->osh
, p
));
5053 PKTFREE(wlc
->osh
, p
, true);
5054 WLCNTINCR(wlc
->pub
->_cnt
->txnobuf
);
5059 p
= pktq_penq_head(q
, prec
, pkt
);
5061 p
= pktq_penq(q
, prec
, pkt
);
5067 void BCMFASTPATH
wlc_txq_enq(void *ctx
, struct scb
*scb
, struct sk_buff
*sdu
,
5070 wlc_info_t
*wlc
= (wlc_info_t
*) ctx
;
5071 wlc_txq_info_t
*qi
= wlc
->active_queue
; /* Check me */
5072 struct pktq
*q
= &qi
->q
;
5075 prio
= sdu
->priority
;
5077 ASSERT(pktq_max(q
) >= wlc
->pub
->tunables
->datahiwat
);
5079 if (!wlc_prec_enq(wlc
, q
, sdu
, prec
)) {
5080 if (!EDCF_ENAB(wlc
->pub
)
5081 || (wlc
->pub
->wlfeatureflag
& WL_SWFL_FLOWCONTROL
))
5082 WL_ERROR(("wl%d: wlc_txq_enq: txq overflow\n",
5085 /* ASSERT(9 == 8); *//* XXX we might hit this condtion in case packet flooding from mac80211 stack */
5086 PKTFREE(wlc
->osh
, sdu
, true);
5087 WLCNTINCR(wlc
->pub
->_cnt
->txnobuf
);
5090 /* Check if flow control needs to be turned on after enqueuing the packet
5091 * Don't turn on flow control if EDCF is enabled. Driver would make the decision on what
5092 * to drop instead of relying on stack to make the right decision
5094 if (!EDCF_ENAB(wlc
->pub
)
5095 || (wlc
->pub
->wlfeatureflag
& WL_SWFL_FLOWCONTROL
)) {
5096 if (pktq_len(q
) >= wlc
->pub
->tunables
->datahiwat
) {
5097 wlc_txflowcontrol(wlc
, qi
, ON
, ALLPRIO
);
5099 } else if (wlc
->pub
->_priofc
) {
5100 if (pktq_plen(q
, wlc_prio2prec_map
[prio
]) >=
5101 wlc
->pub
->tunables
->datahiwat
) {
5102 wlc_txflowcontrol(wlc
, qi
, ON
, prio
);
5108 wlc_sendpkt_mac80211(wlc_info_t
*wlc
, struct sk_buff
*sdu
,
5109 struct ieee80211_hw
*hw
)
5114 struct scb
*scb
= &global_scb
;
5115 struct dot11_header
*d11_header
= (struct dot11_header
*)(sdu
->data
);
5120 fc
= ltoh16(d11_header
->fc
);
5123 /* 802.11 standard requires management traffic to go at highest priority */
5124 prio
= (type
== FC_TYPE_DATA
? sdu
->priority
: MAXPRIO
);
5125 fifo
= prio2fifo
[prio
];
5127 ASSERT((uint
) skb_headroom(sdu
) >= TXOFF
);
5128 ASSERT(!(sdu
->cloned
));
5129 ASSERT(!(sdu
->next
));
5130 ASSERT(!(sdu
->prev
));
5131 ASSERT(fifo
< NFIFO
);
5135 (wlc_d11hdrs_mac80211(wlc
, hw
, pkt
, scb
, 0, 1, fifo
, 0, NULL
, 0)))
5137 wlc_txq_enq(wlc
, scb
, pkt
, WLC_PRIO_TO_PREC(prio
));
5138 wlc_send_q(wlc
, wlc
->active_queue
);
5140 WLCNTINCR(wlc
->pub
->_cnt
->ieee_tx
);
5144 void BCMFASTPATH
wlc_send_q(wlc_info_t
*wlc
, wlc_txq_info_t
*qi
)
5146 struct sk_buff
*pkt
[DOT11_MAXNUMFRAGS
];
5149 int err
= 0, i
, count
;
5151 struct pktq
*q
= &qi
->q
;
5152 struct ieee80211_tx_info
*tx_info
;
5154 /* only do work for the active queue */
5155 if (qi
!= wlc
->active_queue
)
5163 prec_map
= wlc
->tx_prec_map
;
5165 /* Send all the enq'd pkts that we can.
5166 * Dequeue packets with precedence with empty HW fifo only
5168 while (prec_map
&& (pkt
[0] = pktq_mdeq(q
, prec_map
, &prec
))) {
5169 tx_info
= IEEE80211_SKB_CB(pkt
[0]);
5170 if (tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
) {
5171 err
= wlc_sendampdu(wlc
->ampdu
, qi
, pkt
, prec
);
5174 err
= wlc_prep_pdu(wlc
, pkt
[0], &fifo
);
5176 for (i
= 0; i
< count
; i
++) {
5177 wlc_txfifo(wlc
, fifo
, pkt
[i
], true, 1);
5182 if (err
== BCME_BUSY
) {
5183 pktq_penq_head(q
, prec
, pkt
[0]);
5184 /* If send failed due to any other reason than a change in
5185 * HW FIFO condition, quit. Otherwise, read the new prec_map!
5187 if (prec_map
== wlc
->tx_prec_map
)
5189 prec_map
= wlc
->tx_prec_map
;
5193 /* Check if flow control needs to be turned off after sending the packet */
5194 if (!EDCF_ENAB(wlc
->pub
)
5195 || (wlc
->pub
->wlfeatureflag
& WL_SWFL_FLOWCONTROL
)) {
5196 if (wlc_txflowcontrol_prio_isset(wlc
, qi
, ALLPRIO
)
5197 && (pktq_len(q
) < wlc
->pub
->tunables
->datahiwat
/ 2)) {
5198 wlc_txflowcontrol(wlc
, qi
, OFF
, ALLPRIO
);
5200 } else if (wlc
->pub
->_priofc
) {
5202 for (prio
= MAXPRIO
; prio
>= 0; prio
--) {
5203 if (wlc_txflowcontrol_prio_isset(wlc
, qi
, prio
) &&
5204 (pktq_plen(q
, wlc_prio2prec_map
[prio
]) <
5205 wlc
->pub
->tunables
->datahiwat
/ 2)) {
5206 wlc_txflowcontrol(wlc
, qi
, OFF
, prio
);
5214 * bcmc_fid_generate:
5215 * Generate frame ID for a BCMC packet. The frag field is not used
5216 * for MC frames so is used as part of the sequence number.
5219 bcmc_fid_generate(wlc_info_t
*wlc
, wlc_bsscfg_t
*bsscfg
, d11txh_t
*txh
)
5223 frameid
= ltoh16(txh
->TxFrameID
) & ~(TXFID_SEQ_MASK
| TXFID_QUEUE_MASK
);
5226 mc_fid_counter
++) << TXFID_SEQ_SHIFT
) & TXFID_SEQ_MASK
) |
5233 wlc_txfifo(wlc_info_t
*wlc
, uint fifo
, struct sk_buff
*p
, bool commit
,
5236 u16 frameid
= INVALIDFID
;
5239 ASSERT(fifo
< NFIFO
);
5240 txh
= (d11txh_t
*) (p
->data
);
5242 /* When a BC/MC frame is being committed to the BCMC fifo via DMA (NOT PIO), update
5243 * ucode or BSS info as appropriate.
5245 if (fifo
== TX_BCMC_FIFO
) {
5246 frameid
= ltoh16(txh
->TxFrameID
);
5250 if (WLC_WAR16165(wlc
))
5251 wlc_war16165(wlc
, true);
5254 /* Bump up pending count for if not using rpc. If rpc is used, this will be handled
5255 * in wlc_bmac_txfifo()
5258 TXPKTPENDINC(wlc
, fifo
, txpktpend
);
5259 WL_TRACE(("wlc_txfifo, pktpend inc %d to %d\n", txpktpend
,
5260 TXPKTPENDGET(wlc
, fifo
)));
5263 /* Commit BCMC sequence number in the SHM frame ID location */
5264 if (frameid
!= INVALIDFID
)
5265 BCMCFID(wlc
, frameid
);
5267 if (dma_txfast(wlc
->hw
->di
[fifo
], p
, commit
) < 0) {
5268 WL_ERROR(("wlc_txfifo: fatal, toss frames !!!\n"));
5273 wlc_compute_airtime(wlc_info_t
*wlc
, ratespec_t rspec
, uint length
)
5276 uint mac_rate
= RSPEC2RATE(rspec
);
5279 if (IS_MCS(rspec
)) {
5280 /* not supported yet */
5282 } else if (IS_OFDM(rspec
)) {
5283 /* nsyms = Ceiling(Nbits / (Nbits/sym))
5285 * Nbits = length * 8
5286 * Nbits/sym = Mbps * 4 = mac_rate * 2
5288 nsyms
= CEIL((length
* 8), (mac_rate
* 2));
5290 /* usec = symbols * usec/symbol */
5291 usec
= (u16
) (nsyms
* APHY_SYMBOL_TIME
);
5302 usec
= (length
<< 4) / 11;
5305 usec
= (length
<< 3) / 11;
5308 WL_ERROR(("wl%d: wlc_compute_airtime: unsupported rspec 0x%x\n", wlc
->pub
->unit
, rspec
));
5309 ASSERT((const char *)"Bad phy_rate" == NULL
);
5318 wlc_compute_plcp(wlc_info_t
*wlc
, ratespec_t rspec
, uint length
, u8
*plcp
)
5320 if (IS_MCS(rspec
)) {
5321 wlc_compute_mimo_plcp(rspec
, length
, plcp
);
5322 } else if (IS_OFDM(rspec
)) {
5323 wlc_compute_ofdm_plcp(rspec
, length
, plcp
);
5325 wlc_compute_cck_plcp(rspec
, length
, plcp
);
5330 /* Rate: 802.11 rate code, length: PSDU length in octets */
5331 static void wlc_compute_mimo_plcp(ratespec_t rspec
, uint length
, u8
*plcp
)
5333 u8 mcs
= (u8
) (rspec
& RSPEC_RATE_MASK
);
5334 ASSERT(IS_MCS(rspec
));
5336 if (RSPEC_IS40MHZ(rspec
) || (mcs
== 32))
5337 plcp
[0] |= MIMO_PLCP_40MHZ
;
5338 WLC_SET_MIMO_PLCP_LEN(plcp
, length
);
5339 plcp
[3] = RSPEC_MIMOPLCP3(rspec
); /* rspec already holds this byte */
5340 plcp
[3] |= 0x7; /* set smoothing, not sounding ppdu & reserved */
5341 plcp
[4] = 0; /* number of extension spatial streams bit 0 & 1 */
5345 /* Rate: 802.11 rate code, length: PSDU length in octets */
5346 static void BCMFASTPATH
5347 wlc_compute_ofdm_plcp(ratespec_t rspec
, u32 length
, u8
*plcp
)
5351 int rate
= RSPEC2RATE(rspec
);
5353 ASSERT(IS_OFDM(rspec
));
5355 /* encode rate per 802.11a-1999 sec 17.3.4.1, with lsb transmitted first */
5356 rate_signal
= rate_info
[rate
] & RATE_MASK
;
5357 ASSERT(rate_signal
!= 0);
5359 memset(plcp
, 0, D11_PHY_HDR_LEN
);
5360 D11A_PHY_HDR_SRATE((ofdm_phy_hdr_t
*) plcp
, rate_signal
);
5362 tmp
= (length
& 0xfff) << 5;
5363 plcp
[2] |= (tmp
>> 16) & 0xff;
5364 plcp
[1] |= (tmp
>> 8) & 0xff;
5365 plcp
[0] |= tmp
& 0xff;
5371 * Compute PLCP, but only requires actual rate and length of pkt.
5372 * Rate is given in the driver standard multiple of 500 kbps.
5373 * le is set for 11 Mbps rate if necessary.
5374 * Broken out for PRQ.
5377 static void wlc_cck_plcp_set(int rate_500
, uint length
, u8
*plcp
)
5390 usec
= (length
<< 4) / 11;
5391 if ((length
<< 4) - (usec
* 11) > 0)
5395 usec
= (length
<< 3) / 11;
5396 if ((length
<< 3) - (usec
* 11) > 0) {
5398 if ((usec
* 11) - (length
<< 3) >= 8)
5399 le
= D11B_PLCP_SIGNAL_LE
;
5404 WL_ERROR(("wlc_cck_plcp_set: unsupported rate %d\n", rate_500
));
5405 rate_500
= WLC_RATE_1M
;
5409 /* PLCP signal byte */
5410 plcp
[0] = rate_500
* 5; /* r (500kbps) * 5 == r (100kbps) */
5411 /* PLCP service byte */
5412 plcp
[1] = (u8
) (le
| D11B_PLCP_SIGNAL_LOCKED
);
5413 /* PLCP length u16, little endian */
5414 plcp
[2] = usec
& 0xff;
5415 plcp
[3] = (usec
>> 8) & 0xff;
5421 /* Rate: 802.11 rate code, length: PSDU length in octets */
5422 static void wlc_compute_cck_plcp(ratespec_t rspec
, uint length
, u8
*plcp
)
5424 int rate
= RSPEC2RATE(rspec
);
5426 ASSERT(IS_CCK(rspec
));
5428 wlc_cck_plcp_set(rate
, length
, plcp
);
5431 /* wlc_compute_frame_dur()
5433 * Calculate the 802.11 MAC header DUR field for MPDU
5434 * DUR for a single frame = 1 SIFS + 1 ACK
5435 * DUR for a frame with following frags = 3 SIFS + 2 ACK + next frag time
5437 * rate MPDU rate in unit of 500kbps
5438 * next_frag_len next MPDU length in bytes
5439 * preamble_type use short/GF or long/MM PLCP header
5441 static u16 BCMFASTPATH
5442 wlc_compute_frame_dur(wlc_info_t
*wlc
, ratespec_t rate
, u8 preamble_type
,
5447 sifs
= SIFS(wlc
->band
);
5450 dur
+= (u16
) wlc_calc_ack_time(wlc
, rate
, preamble_type
);
5452 if (next_frag_len
) {
5453 /* Double the current DUR to get 2 SIFS + 2 ACKs */
5455 /* add another SIFS and the frag time */
5458 (u16
) wlc_calc_frame_time(wlc
, rate
, preamble_type
,
5464 /* wlc_compute_rtscts_dur()
5466 * Calculate the 802.11 MAC header DUR field for an RTS or CTS frame
5467 * DUR for normal RTS/CTS w/ frame = 3 SIFS + 1 CTS + next frame time + 1 ACK
5468 * DUR for CTS-TO-SELF w/ frame = 2 SIFS + next frame time + 1 ACK
5470 * cts cts-to-self or rts/cts
5471 * rts_rate rts or cts rate in unit of 500kbps
5472 * rate next MPDU rate in unit of 500kbps
5473 * frame_len next MPDU frame length in bytes
5476 wlc_compute_rtscts_dur(wlc_info_t
*wlc
, bool cts_only
, ratespec_t rts_rate
,
5477 ratespec_t frame_rate
, u8 rts_preamble_type
,
5478 u8 frame_preamble_type
, uint frame_len
, bool ba
)
5482 sifs
= SIFS(wlc
->band
);
5484 if (!cts_only
) { /* RTS/CTS */
5487 (u16
) wlc_calc_cts_time(wlc
, rts_rate
,
5489 } else { /* CTS-TO-SELF */
5494 (u16
) wlc_calc_frame_time(wlc
, frame_rate
, frame_preamble_type
,
5498 (u16
) wlc_calc_ba_time(wlc
, frame_rate
,
5499 WLC_SHORT_PREAMBLE
);
5502 (u16
) wlc_calc_ack_time(wlc
, frame_rate
,
5503 frame_preamble_type
);
5507 static bool wlc_phy_rspec_check(wlc_info_t
*wlc
, u16 bw
, ratespec_t rspec
)
5509 if (IS_MCS(rspec
)) {
5510 uint mcs
= rspec
& RSPEC_RATE_MASK
;
5513 ASSERT(RSPEC_STF(rspec
) < PHY_TXC1_MODE_SDM
);
5514 } else if ((mcs
>= 8) && (mcs
<= 23)) {
5515 ASSERT(RSPEC_STF(rspec
) == PHY_TXC1_MODE_SDM
);
5516 } else if (mcs
== 32) {
5517 ASSERT(RSPEC_STF(rspec
) < PHY_TXC1_MODE_SDM
);
5518 ASSERT(bw
== PHY_TXC1_BW_40MHZ_DUP
);
5520 } else if (IS_OFDM(rspec
)) {
5521 ASSERT(RSPEC_STF(rspec
) < PHY_TXC1_MODE_STBC
);
5523 ASSERT(IS_CCK(rspec
));
5525 ASSERT((bw
== PHY_TXC1_BW_20MHZ
)
5526 || (bw
== PHY_TXC1_BW_20MHZ_UP
));
5527 ASSERT(RSPEC_STF(rspec
) == PHY_TXC1_MODE_SISO
);
5533 u16 BCMFASTPATH
wlc_phytxctl1_calc(wlc_info_t
*wlc
, ratespec_t rspec
)
5538 if (WLCISLCNPHY(wlc
->band
)) {
5539 bw
= PHY_TXC1_BW_20MHZ
;
5541 bw
= RSPEC_GET_BW(rspec
);
5542 /* 10Mhz is not supported yet */
5543 if (bw
< PHY_TXC1_BW_20MHZ
) {
5544 WL_ERROR(("wlc_phytxctl1_calc: bw %d is not supported yet, set to 20L\n", bw
));
5545 bw
= PHY_TXC1_BW_20MHZ
;
5548 wlc_phy_rspec_check(wlc
, bw
, rspec
);
5551 if (IS_MCS(rspec
)) {
5552 uint mcs
= rspec
& RSPEC_RATE_MASK
;
5554 /* bw, stf, coding-type is part of RSPEC_PHYTXBYTE2 returns */
5555 phyctl1
= RSPEC_PHYTXBYTE2(rspec
);
5556 /* set the upper byte of phyctl1 */
5557 phyctl1
|= (mcs_table
[mcs
].tx_phy_ctl3
<< 8);
5558 } else if (IS_CCK(rspec
) && !WLCISLCNPHY(wlc
->band
)
5559 && !WLCISSSLPNPHY(wlc
->band
)) {
5560 /* In CCK mode LPPHY overloads OFDM Modulation bits with CCK Data Rate */
5561 /* Eventually MIMOPHY would also be converted to this format */
5562 /* 0 = 1Mbps; 1 = 2Mbps; 2 = 5.5Mbps; 3 = 11Mbps */
5563 phyctl1
= (bw
| (RSPEC_STF(rspec
) << PHY_TXC1_MODE_SHIFT
));
5564 } else { /* legacy OFDM/CCK */
5566 /* get the phyctl byte from rate phycfg table */
5567 phycfg
= wlc_rate_legacy_phyctl(RSPEC2RATE(rspec
));
5569 WL_ERROR(("wlc_phytxctl1_calc: wrong legacy OFDM/CCK rate\n"));
5573 /* set the upper byte of phyctl1 */
5575 (bw
| (phycfg
<< 8) |
5576 (RSPEC_STF(rspec
) << PHY_TXC1_MODE_SHIFT
));
5580 /* phy clock must support 40Mhz if tx descriptor uses it */
5581 if ((phyctl1
& PHY_TXC1_BW_MASK
) >= PHY_TXC1_BW_40MHZ
) {
5582 ASSERT(CHSPEC_WLC_BW(wlc
->chanspec
) == WLC_40_MHZ
);
5583 ASSERT(wlc
->chanspec
== wlc_phy_chanspec_get(wlc
->band
->pi
));
5589 ratespec_t BCMFASTPATH
5590 wlc_rspec_to_rts_rspec(wlc_info_t
*wlc
, ratespec_t rspec
, bool use_rspec
,
5593 ratespec_t rts_rspec
= 0;
5596 /* use frame rate as rts rate */
5599 } else if (wlc
->band
->gmode
&& wlc
->protection
->_g
&& !IS_CCK(rspec
)) {
5600 /* Use 11Mbps as the g protection RTS target rate and fallback.
5601 * Use the WLC_BASIC_RATE() lookup to find the best basic rate under the
5602 * target in case 11 Mbps is not Basic.
5603 * 6 and 9 Mbps are not usually selected by rate selection, but even
5604 * if the OFDM rate we are protecting is 6 or 9 Mbps, 11 is more robust.
5606 rts_rspec
= WLC_BASIC_RATE(wlc
, WLC_RATE_11M
);
5608 /* calculate RTS rate and fallback rate based on the frame rate
5609 * RTS must be sent at a basic rate since it is a
5610 * control frame, sec 9.6 of 802.11 spec
5612 rts_rspec
= WLC_BASIC_RATE(wlc
, rspec
);
5615 if (WLC_PHY_11N_CAP(wlc
->band
)) {
5616 /* set rts txbw to correct side band */
5617 rts_rspec
&= ~RSPEC_BW_MASK
;
5619 /* if rspec/rspec_fallback is 40MHz, then send RTS on both 20MHz channel
5620 * (DUP), otherwise send RTS on control channel
5622 if (RSPEC_IS40MHZ(rspec
) && !IS_CCK(rts_rspec
))
5623 rts_rspec
|= (PHY_TXC1_BW_40MHZ_DUP
<< RSPEC_BW_SHIFT
);
5625 rts_rspec
|= (mimo_ctlchbw
<< RSPEC_BW_SHIFT
);
5627 /* pick siso/cdd as default for ofdm */
5628 if (IS_OFDM(rts_rspec
)) {
5629 rts_rspec
&= ~RSPEC_STF_MASK
;
5630 rts_rspec
|= (wlc
->stf
->ss_opmode
<< RSPEC_STF_SHIFT
);
5637 * Add d11txh_t, cck_phy_hdr_t.
5639 * 'p' data must start with 802.11 MAC header
5640 * 'p' must allow enough bytes of local headers to be "pushed" onto the packet
5642 * headroom == D11_PHY_HDR_LEN + D11_TXH_LEN (D11_TXH_LEN is now 104 bytes)
5645 static u16 BCMFASTPATH
5646 wlc_d11hdrs_mac80211(wlc_info_t
*wlc
, struct ieee80211_hw
*hw
,
5647 struct sk_buff
*p
, struct scb
*scb
, uint frag
,
5648 uint nfrags
, uint queue
, uint next_frag_len
,
5649 wsec_key_t
*key
, ratespec_t rspec_override
)
5651 struct dot11_header
*h
;
5653 u8
*plcp
, plcp_fallback
[D11_PHY_HDR_LEN
];
5654 struct osl_info
*osh
;
5655 int len
, phylen
, rts_phylen
;
5656 u16 fc
, type
, frameid
, mch
, phyctl
, xfts
, mainrates
;
5657 u16 seq
= 0, mcl
= 0, status
= 0;
5658 ratespec_t rspec
[2] = { WLC_RATE_1M
, WLC_RATE_1M
}, rts_rspec
[2] = {
5659 WLC_RATE_1M
, WLC_RATE_1M
};
5660 bool use_rts
= false;
5661 bool use_cts
= false;
5662 bool use_rifs
= false;
5663 bool short_preamble
[2] = { false, false };
5664 u8 preamble_type
[2] = { WLC_LONG_PREAMBLE
, WLC_LONG_PREAMBLE
};
5665 u8 rts_preamble_type
[2] = { WLC_LONG_PREAMBLE
, WLC_LONG_PREAMBLE
};
5666 u8
*rts_plcp
, rts_plcp_fallback
[D11_PHY_HDR_LEN
];
5667 struct dot11_rts_frame
*rts
= NULL
;
5671 bool hwtkmic
= false;
5672 u16 mimo_ctlchbw
= PHY_TXC1_BW_20MHZ
;
5674 #define ANTCFG_NONE 0xFF
5675 u8 antcfg
= ANTCFG_NONE
;
5676 u8 fbantcfg
= ANTCFG_NONE
;
5678 uint phyctl1_stf
= 0;
5680 struct ieee80211_tx_rate
*txrate
[2];
5682 struct ieee80211_tx_info
*tx_info
;
5685 u8 mimo_preamble_type
;
5689 ASSERT(queue
< NFIFO
);
5693 /* locate 802.11 MAC header */
5694 h
= (struct dot11_header
*)(p
->data
);
5698 qos
= (type
== FC_TYPE_DATA
&& FC_SUBTYPE_ANY_QOS(FC_SUBTYPE(fc
)));
5700 /* compute length of frame in bytes for use in PLCP computations */
5701 len
= pkttotlen(osh
, p
);
5702 phylen
= len
+ DOT11_FCS_LEN
;
5704 /* If WEP enabled, add room in phylen for the additional bytes of
5705 * ICV which MAC generates. We do NOT add the additional bytes to
5706 * the packet itself, thus phylen = packet length + ICV_LEN + FCS_LEN
5710 phylen
+= key
->icv_len
;
5714 tx_info
= IEEE80211_SKB_CB(p
);
5718 plcp
= skb_push(p
, D11_PHY_HDR_LEN
);
5720 /* add Broadcom tx descriptor header */
5721 txh
= (d11txh_t
*) skb_push(p
, D11_TXH_LEN
);
5722 memset((char *)txh
, 0, D11_TXH_LEN
);
5725 if (tx_info
->flags
& IEEE80211_TX_CTL_ASSIGN_SEQ
) {
5726 /* non-AP STA should never use BCMC queue */
5727 ASSERT(queue
!= TX_BCMC_FIFO
);
5728 if (queue
== TX_BCMC_FIFO
) {
5729 WL_ERROR(("wl%d: %s: ASSERT queue == TX_BCMC!\n",
5730 WLCWLUNIT(wlc
), __func__
));
5731 frameid
= bcmc_fid_generate(wlc
, NULL
, txh
);
5733 /* Increment the counter for first fragment */
5734 if (tx_info
->flags
& IEEE80211_TX_CTL_FIRST_FRAGMENT
) {
5735 SCB_SEQNUM(scb
, p
->priority
)++;
5738 /* extract fragment number from frame first */
5739 seq
= ltoh16(seq
) & FRAGNUM_MASK
;
5740 seq
|= (SCB_SEQNUM(scb
, p
->priority
) << SEQNUM_SHIFT
);
5741 h
->seq
= htol16(seq
);
5743 frameid
= ((seq
<< TXFID_SEQ_SHIFT
) & TXFID_SEQ_MASK
) |
5744 (queue
& TXFID_QUEUE_MASK
);
5747 frameid
|= queue
& TXFID_QUEUE_MASK
;
5749 /* set the ignpmq bit for all pkts tx'd in PS mode and for beacons */
5750 if (SCB_PS(scb
) || ((fc
& FC_KIND_MASK
) == FC_BEACON
))
5751 mcl
|= TXC_IGNOREPMQ
;
5753 ASSERT(hw
->max_rates
<= IEEE80211_TX_MAX_RATES
);
5754 ASSERT(hw
->max_rates
== 2);
5756 txrate
[0] = tx_info
->control
.rates
;
5757 txrate
[1] = txrate
[0] + 1;
5759 ASSERT(txrate
[0]->idx
>= 0);
5760 /* if rate control algorithm didn't give us a fallback rate, use the primary rate */
5761 if (txrate
[1]->idx
< 0) {
5762 txrate
[1] = txrate
[0];
5765 for (k
= 0; k
< hw
->max_rates
; k
++) {
5767 txrate
[k
]->flags
& IEEE80211_TX_RC_MCS
? true : false;
5769 ASSERT(!(tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
));
5770 if ((txrate
[k
]->idx
>= 0)
5771 && (txrate
[k
]->idx
<
5772 hw
->wiphy
->bands
[tx_info
->band
]->n_bitrates
)) {
5774 hw
->wiphy
->bands
[tx_info
->band
]->
5775 bitrates
[txrate
[k
]->idx
].hw_value
;
5778 flags
& IEEE80211_TX_RC_USE_SHORT_PREAMBLE
?
5781 ASSERT((txrate
[k
]->idx
>= 0) &&
5783 hw
->wiphy
->bands
[tx_info
->band
]->
5785 rate_val
[k
] = WLC_RATE_1M
;
5788 rate_val
[k
] = txrate
[k
]->idx
;
5790 /* Currently only support same setting for primay and fallback rates.
5791 * Unify flags for each rate into a single value for the frame
5795 flags
& IEEE80211_TX_RC_USE_RTS_CTS
? true : false;
5798 flags
& IEEE80211_TX_RC_USE_CTS_PROTECT
? true : false;
5801 rate_val
[k
] |= NRATE_MCS_INUSE
;
5803 rspec
[k
] = mac80211_wlc_set_nrate(wlc
, wlc
->band
, rate_val
[k
]);
5805 /* (1) RATE: determine and validate primary rate and fallback rates */
5806 if (!RSPEC_ACTIVE(rspec
[k
])) {
5807 ASSERT(RSPEC_ACTIVE(rspec
[k
]));
5808 rspec
[k
] = WLC_RATE_1M
;
5810 if (WLANTSEL_ENAB(wlc
) && !ETHER_ISMULTI(&h
->a1
)) {
5811 /* set tx antenna config */
5812 wlc_antsel_antcfg_get(wlc
->asi
, false, false, 0,
5813 0, &antcfg
, &fbantcfg
);
5818 phyctl1_stf
= wlc
->stf
->ss_opmode
;
5820 if (N_ENAB(wlc
->pub
)) {
5821 for (k
= 0; k
< hw
->max_rates
; k
++) {
5822 /* apply siso/cdd to single stream mcs's or ofdm if rspec is auto selected */
5823 if (((IS_MCS(rspec
[k
]) &&
5824 IS_SINGLE_STREAM(rspec
[k
] & RSPEC_RATE_MASK
)) ||
5826 && ((rspec
[k
] & RSPEC_OVERRIDE_MCS_ONLY
)
5827 || !(rspec
[k
] & RSPEC_OVERRIDE
))) {
5828 rspec
[k
] &= ~(RSPEC_STF_MASK
| RSPEC_STC_MASK
);
5830 /* For SISO MCS use STBC if possible */
5831 if (IS_MCS(rspec
[k
])
5832 && WLC_STF_SS_STBC_TX(wlc
, scb
)) {
5835 ASSERT(WLC_STBC_CAP_PHY(wlc
));
5836 stc
= 1; /* Nss for single stream is always 1 */
5838 (PHY_TXC1_MODE_STBC
<<
5839 RSPEC_STF_SHIFT
) | (stc
<<
5843 (phyctl1_stf
<< RSPEC_STF_SHIFT
);
5846 /* Is the phy configured to use 40MHZ frames? If so then pick the desired txbw */
5847 if (CHSPEC_WLC_BW(wlc
->chanspec
) == WLC_40_MHZ
) {
5848 /* default txbw is 20in40 SB */
5849 mimo_ctlchbw
= mimo_txbw
=
5850 CHSPEC_SB_UPPER(WLC_BAND_PI_RADIO_CHANSPEC
)
5851 ? PHY_TXC1_BW_20MHZ_UP
: PHY_TXC1_BW_20MHZ
;
5853 if (IS_MCS(rspec
[k
])) {
5854 /* mcs 32 must be 40b/w DUP */
5855 if ((rspec
[k
] & RSPEC_RATE_MASK
) == 32) {
5857 PHY_TXC1_BW_40MHZ_DUP
;
5859 } else if (wlc
->mimo_40txbw
!= AUTO
)
5860 mimo_txbw
= wlc
->mimo_40txbw
;
5861 /* else check if dst is using 40 Mhz */
5862 else if (scb
->flags
& SCB_IS40
)
5863 mimo_txbw
= PHY_TXC1_BW_40MHZ
;
5864 } else if (IS_OFDM(rspec
[k
])) {
5865 if (wlc
->ofdm_40txbw
!= AUTO
)
5866 mimo_txbw
= wlc
->ofdm_40txbw
;
5868 ASSERT(IS_CCK(rspec
[k
]));
5869 if (wlc
->cck_40txbw
!= AUTO
)
5870 mimo_txbw
= wlc
->cck_40txbw
;
5873 /* mcs32 is 40 b/w only.
5874 * This is possible for probe packets on a STA during SCAN
5876 if ((rspec
[k
] & RSPEC_RATE_MASK
) == 32) {
5878 rspec
[k
] = RSPEC_MIMORATE
;
5880 mimo_txbw
= PHY_TXC1_BW_20MHZ
;
5883 /* Set channel width */
5884 rspec
[k
] &= ~RSPEC_BW_MASK
;
5885 if ((k
== 0) || ((k
> 0) && IS_MCS(rspec
[k
])))
5886 rspec
[k
] |= (mimo_txbw
<< RSPEC_BW_SHIFT
);
5888 rspec
[k
] |= (mimo_ctlchbw
<< RSPEC_BW_SHIFT
);
5892 if (IS_MCS(rspec
[k
])
5893 && (txrate
[k
]->flags
& IEEE80211_TX_RC_SHORT_GI
))
5894 rspec
[k
] |= RSPEC_SHORT_GI
;
5895 else if (!(txrate
[k
]->flags
& IEEE80211_TX_RC_SHORT_GI
))
5896 rspec
[k
] &= ~RSPEC_SHORT_GI
;
5898 rspec
[k
] &= ~RSPEC_SHORT_GI
;
5901 mimo_preamble_type
= WLC_MM_PREAMBLE
;
5902 if (txrate
[k
]->flags
& IEEE80211_TX_RC_GREEN_FIELD
)
5903 mimo_preamble_type
= WLC_GF_PREAMBLE
;
5905 if ((txrate
[k
]->flags
& IEEE80211_TX_RC_MCS
)
5906 && (!IS_MCS(rspec
[k
]))) {
5907 WL_ERROR(("wl%d: %s: IEEE80211_TX_RC_MCS != IS_MCS(rspec)\n", WLCWLUNIT(wlc
), __func__
));
5908 ASSERT(0 && "Rate mismatch");
5911 if (IS_MCS(rspec
[k
])) {
5912 preamble_type
[k
] = mimo_preamble_type
;
5914 /* if SGI is selected, then forced mm for single stream */
5915 if ((rspec
[k
] & RSPEC_SHORT_GI
)
5916 && IS_SINGLE_STREAM(rspec
[k
] &
5918 preamble_type
[k
] = WLC_MM_PREAMBLE
;
5922 /* mimo bw field MUST now be valid in the rspec (it affects duration calculations) */
5923 ASSERT(VALID_RATE_DBG(wlc
, rspec
[0]));
5925 /* should be better conditionalized */
5926 if (!IS_MCS(rspec
[0])
5927 && (tx_info
->control
.rates
[0].
5928 flags
& IEEE80211_TX_RC_USE_SHORT_PREAMBLE
))
5929 preamble_type
[k
] = WLC_SHORT_PREAMBLE
;
5931 ASSERT(!IS_MCS(rspec
[0])
5932 || WLC_IS_MIMO_PREAMBLE(preamble_type
[k
]));
5935 for (k
= 0; k
< hw
->max_rates
; k
++) {
5936 /* Set ctrlchbw as 20Mhz */
5937 ASSERT(!IS_MCS(rspec
[k
]));
5938 rspec
[k
] &= ~RSPEC_BW_MASK
;
5939 rspec
[k
] |= (PHY_TXC1_BW_20MHZ
<< RSPEC_BW_SHIFT
);
5941 /* for nphy, stf of ofdm frames must follow policies */
5942 if (WLCISNPHY(wlc
->band
) && IS_OFDM(rspec
[k
])) {
5943 rspec
[k
] &= ~RSPEC_STF_MASK
;
5944 rspec
[k
] |= phyctl1_stf
<< RSPEC_STF_SHIFT
;
5949 /* Reset these for use with AMPDU's */
5950 txrate
[0]->count
= 0;
5951 txrate
[1]->count
= 0;
5953 /* (3) PLCP: determine PLCP header and MAC duration, fill d11txh_t */
5954 wlc_compute_plcp(wlc
, rspec
[0], phylen
, plcp
);
5955 wlc_compute_plcp(wlc
, rspec
[1], phylen
, plcp_fallback
);
5956 bcopy(plcp_fallback
, (char *)&txh
->FragPLCPFallback
,
5957 sizeof(txh
->FragPLCPFallback
));
5959 /* Length field now put in CCK FBR CRC field */
5960 if (IS_CCK(rspec
[1])) {
5961 txh
->FragPLCPFallback
[4] = phylen
& 0xff;
5962 txh
->FragPLCPFallback
[5] = (phylen
& 0xff00) >> 8;
5965 /* MIMO-RATE: need validation ?? */
5967 IS_OFDM(rspec
[0]) ? D11A_PHY_HDR_GRATE((ofdm_phy_hdr_t
*) plcp
) :
5970 /* DUR field for main rate */
5971 if ((fc
!= FC_PS_POLL
) && !ETHER_ISMULTI(&h
->a1
) && !use_rifs
) {
5973 wlc_compute_frame_dur(wlc
, rspec
[0], preamble_type
[0],
5975 h
->durid
= htol16(durid
);
5976 } else if (use_rifs
) {
5977 /* NAV protect to end of next max packet size */
5979 (u16
) wlc_calc_frame_time(wlc
, rspec
[0],
5981 DOT11_MAX_FRAG_LEN
);
5982 durid
+= RIFS_11N_TIME
;
5983 h
->durid
= htol16(durid
);
5986 /* DUR field for fallback rate */
5987 if (fc
== FC_PS_POLL
)
5988 txh
->FragDurFallback
= h
->durid
;
5989 else if (ETHER_ISMULTI(&h
->a1
) || use_rifs
)
5990 txh
->FragDurFallback
= 0;
5992 durid
= wlc_compute_frame_dur(wlc
, rspec
[1],
5993 preamble_type
[1], next_frag_len
);
5994 txh
->FragDurFallback
= htol16(durid
);
5997 /* (4) MAC-HDR: MacTxControlLow */
5999 mcl
|= TXC_STARTMSDU
;
6001 if (!ETHER_ISMULTI(&h
->a1
))
6002 mcl
|= TXC_IMMEDACK
;
6004 if (BAND_5G(wlc
->band
->bandtype
))
6005 mcl
|= TXC_FREQBAND_5G
;
6007 if (CHSPEC_IS40(WLC_BAND_PI_RADIO_CHANSPEC
))
6010 /* set AMIC bit if using hardware TKIP MIC */
6014 txh
->MacTxControlLow
= htol16(mcl
);
6016 /* MacTxControlHigh */
6019 /* Set fallback rate preamble type */
6020 if ((preamble_type
[1] == WLC_SHORT_PREAMBLE
) ||
6021 (preamble_type
[1] == WLC_GF_PREAMBLE
)) {
6022 ASSERT((preamble_type
[1] == WLC_GF_PREAMBLE
) ||
6023 (!IS_MCS(rspec
[1])));
6024 if (RSPEC2RATE(rspec
[1]) != WLC_RATE_1M
)
6025 mch
|= TXC_PREAMBLE_DATA_FB_SHORT
;
6028 /* MacFrameControl */
6029 bcopy((char *)&h
->fc
, (char *)&txh
->MacFrameControl
, sizeof(u16
));
6031 txh
->TxFesTimeNormal
= htol16(0);
6033 txh
->TxFesTimeFallback
= htol16(0);
6036 bcopy((char *)&h
->a1
, (char *)&txh
->TxFrameRA
, ETHER_ADDR_LEN
);
6039 txh
->TxFrameID
= htol16(frameid
);
6041 /* TxStatus, Note the case of recreating the first frag of a suppressed frame
6042 * then we may need to reset the retry cnt's via the status reg
6044 txh
->TxStatus
= htol16(status
);
6046 if (D11REV_GE(wlc
->pub
->corerev
, 16)) {
6047 /* extra fields for ucode AMPDU aggregation, the new fields are added to
6048 * the END of previous structure so that it's compatible in driver.
6049 * In old rev ucode, these fields should be ignored
6051 txh
->MaxNMpdus
= htol16(0);
6052 txh
->MaxABytes_MRT
= htol16(0);
6053 txh
->MaxABytes_FBR
= htol16(0);
6054 txh
->MinMBytes
= htol16(0);
6057 /* (5) RTS/CTS: determine RTS/CTS PLCP header and MAC duration, furnish d11txh_t */
6058 /* RTS PLCP header and RTS frame */
6059 if (use_rts
|| use_cts
) {
6060 if (use_rts
&& use_cts
)
6063 for (k
= 0; k
< 2; k
++) {
6064 rts_rspec
[k
] = wlc_rspec_to_rts_rspec(wlc
, rspec
[k
],
6069 if (!IS_OFDM(rts_rspec
[0]) &&
6070 !((RSPEC2RATE(rts_rspec
[0]) == WLC_RATE_1M
) ||
6071 (wlc
->PLCPHdr_override
== WLC_PLCP_LONG
))) {
6072 rts_preamble_type
[0] = WLC_SHORT_PREAMBLE
;
6073 mch
|= TXC_PREAMBLE_RTS_MAIN_SHORT
;
6076 if (!IS_OFDM(rts_rspec
[1]) &&
6077 !((RSPEC2RATE(rts_rspec
[1]) == WLC_RATE_1M
) ||
6078 (wlc
->PLCPHdr_override
== WLC_PLCP_LONG
))) {
6079 rts_preamble_type
[1] = WLC_SHORT_PREAMBLE
;
6080 mch
|= TXC_PREAMBLE_RTS_FB_SHORT
;
6083 /* RTS/CTS additions to MacTxControlLow */
6085 txh
->MacTxControlLow
|= htol16(TXC_SENDCTS
);
6087 txh
->MacTxControlLow
|= htol16(TXC_SENDRTS
);
6088 txh
->MacTxControlLow
|= htol16(TXC_LONGFRAME
);
6091 /* RTS PLCP header */
6092 ASSERT(IS_ALIGNED((unsigned long)txh
->RTSPhyHeader
, sizeof(u16
)));
6093 rts_plcp
= txh
->RTSPhyHeader
;
6095 rts_phylen
= DOT11_CTS_LEN
+ DOT11_FCS_LEN
;
6097 rts_phylen
= DOT11_RTS_LEN
+ DOT11_FCS_LEN
;
6099 wlc_compute_plcp(wlc
, rts_rspec
[0], rts_phylen
, rts_plcp
);
6101 /* fallback rate version of RTS PLCP header */
6102 wlc_compute_plcp(wlc
, rts_rspec
[1], rts_phylen
,
6104 bcopy(rts_plcp_fallback
, (char *)&txh
->RTSPLCPFallback
,
6105 sizeof(txh
->RTSPLCPFallback
));
6107 /* RTS frame fields... */
6108 rts
= (struct dot11_rts_frame
*)&txh
->rts_frame
;
6110 durid
= wlc_compute_rtscts_dur(wlc
, use_cts
, rts_rspec
[0],
6111 rspec
[0], rts_preamble_type
[0],
6112 preamble_type
[0], phylen
, false);
6113 rts
->durid
= htol16(durid
);
6114 /* fallback rate version of RTS DUR field */
6115 durid
= wlc_compute_rtscts_dur(wlc
, use_cts
,
6116 rts_rspec
[1], rspec
[1],
6117 rts_preamble_type
[1],
6118 preamble_type
[1], phylen
, false);
6119 txh
->RTSDurFallback
= htol16(durid
);
6122 rts
->fc
= htol16(FC_CTS
);
6123 bcopy((char *)&h
->a2
, (char *)&rts
->ra
, ETHER_ADDR_LEN
);
6125 rts
->fc
= htol16((u16
) FC_RTS
);
6126 bcopy((char *)&h
->a1
, (char *)&rts
->ra
,
6127 2 * ETHER_ADDR_LEN
);
6131 * low 8 bits: main frag rate/mcs,
6132 * high 8 bits: rts/cts rate/mcs
6134 mainrates
|= (IS_OFDM(rts_rspec
[0]) ?
6135 D11A_PHY_HDR_GRATE((ofdm_phy_hdr_t
*) rts_plcp
) :
6138 memset((char *)txh
->RTSPhyHeader
, 0, D11_PHY_HDR_LEN
);
6139 memset((char *)&txh
->rts_frame
, 0,
6140 sizeof(struct dot11_rts_frame
));
6141 memset((char *)txh
->RTSPLCPFallback
, 0,
6142 sizeof(txh
->RTSPLCPFallback
));
6143 txh
->RTSDurFallback
= 0;
6146 #ifdef SUPPORT_40MHZ
6147 /* add null delimiter count */
6148 if ((tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
) && IS_MCS(rspec
)) {
6149 txh
->RTSPLCPFallback
[AMPDU_FBR_NULL_DELIM
] =
6150 wlc_ampdu_null_delim_cnt(wlc
->ampdu
, scb
, rspec
, phylen
);
6154 /* Now that RTS/RTS FB preamble types are updated, write the final value */
6155 txh
->MacTxControlHigh
= htol16(mch
);
6157 /* MainRates (both the rts and frag plcp rates have been calculated now) */
6158 txh
->MainRates
= htol16(mainrates
);
6160 /* XtraFrameTypes */
6161 xfts
= FRAMETYPE(rspec
[1], wlc
->mimoft
);
6162 xfts
|= (FRAMETYPE(rts_rspec
[0], wlc
->mimoft
) << XFTS_RTS_FT_SHIFT
);
6163 xfts
|= (FRAMETYPE(rts_rspec
[1], wlc
->mimoft
) << XFTS_FBRRTS_FT_SHIFT
);
6165 CHSPEC_CHANNEL(WLC_BAND_PI_RADIO_CHANSPEC
) << XFTS_CHANNEL_SHIFT
;
6166 txh
->XtraFrameTypes
= htol16(xfts
);
6168 /* PhyTxControlWord */
6169 phyctl
= FRAMETYPE(rspec
[0], wlc
->mimoft
);
6170 if ((preamble_type
[0] == WLC_SHORT_PREAMBLE
) ||
6171 (preamble_type
[0] == WLC_GF_PREAMBLE
)) {
6172 ASSERT((preamble_type
[0] == WLC_GF_PREAMBLE
)
6173 || !IS_MCS(rspec
[0]));
6174 if (RSPEC2RATE(rspec
[0]) != WLC_RATE_1M
)
6175 phyctl
|= PHY_TXC_SHORT_HDR
;
6176 WLCNTINCR(wlc
->pub
->_cnt
->txprshort
);
6179 /* phytxant is properly bit shifted */
6180 phyctl
|= wlc_stf_d11hdrs_phyctl_txant(wlc
, rspec
[0]);
6181 txh
->PhyTxControlWord
= htol16(phyctl
);
6183 /* PhyTxControlWord_1 */
6184 if (WLC_PHY_11N_CAP(wlc
->band
)) {
6187 phyctl1
= wlc_phytxctl1_calc(wlc
, rspec
[0]);
6188 txh
->PhyTxControlWord_1
= htol16(phyctl1
);
6189 phyctl1
= wlc_phytxctl1_calc(wlc
, rspec
[1]);
6190 txh
->PhyTxControlWord_1_Fbr
= htol16(phyctl1
);
6192 if (use_rts
|| use_cts
) {
6193 phyctl1
= wlc_phytxctl1_calc(wlc
, rts_rspec
[0]);
6194 txh
->PhyTxControlWord_1_Rts
= htol16(phyctl1
);
6195 phyctl1
= wlc_phytxctl1_calc(wlc
, rts_rspec
[1]);
6196 txh
->PhyTxControlWord_1_FbrRts
= htol16(phyctl1
);
6200 * For mcs frames, if mixedmode(overloaded with long preamble) is going to be set,
6201 * fill in non-zero MModeLen and/or MModeFbrLen
6202 * it will be unnecessary if they are separated
6204 if (IS_MCS(rspec
[0]) && (preamble_type
[0] == WLC_MM_PREAMBLE
)) {
6206 wlc_calc_lsig_len(wlc
, rspec
[0], phylen
);
6207 txh
->MModeLen
= htol16(mmodelen
);
6210 if (IS_MCS(rspec
[1]) && (preamble_type
[1] == WLC_MM_PREAMBLE
)) {
6212 wlc_calc_lsig_len(wlc
, rspec
[1], phylen
);
6213 txh
->MModeFbrLen
= htol16(mmodefbrlen
);
6217 if (IS_MCS(rspec
[0]))
6218 ASSERT(IS_MCS(rspec
[1]));
6220 ASSERT(!IS_MCS(rspec
[0]) ||
6221 ((preamble_type
[0] == WLC_MM_PREAMBLE
) == (txh
->MModeLen
!= 0)));
6222 ASSERT(!IS_MCS(rspec
[1]) ||
6223 ((preamble_type
[1] == WLC_MM_PREAMBLE
) ==
6224 (txh
->MModeFbrLen
!= 0)));
6226 ac
= wme_fifo2ac
[queue
];
6227 if (SCB_WME(scb
) && qos
&& wlc
->edcf_txop
[ac
]) {
6228 uint frag_dur
, dur
, dur_fallback
;
6230 ASSERT(!ETHER_ISMULTI(&h
->a1
));
6232 /* WME: Update TXOP threshold */
6233 if ((!(tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
)) && (frag
== 0)) {
6235 wlc_calc_frame_time(wlc
, rspec
[0], preamble_type
[0],
6239 /* 1 RTS or CTS-to-self frame */
6241 wlc_calc_cts_time(wlc
, rts_rspec
[0],
6242 rts_preamble_type
[0]);
6244 wlc_calc_cts_time(wlc
, rts_rspec
[1],
6245 rts_preamble_type
[1]);
6246 /* (SIFS + CTS) + SIFS + frame + SIFS + ACK */
6247 dur
+= ltoh16(rts
->durid
);
6248 dur_fallback
+= ltoh16(txh
->RTSDurFallback
);
6249 } else if (use_rifs
) {
6253 /* frame + SIFS + ACK */
6256 wlc_compute_frame_dur(wlc
, rspec
[0],
6257 preamble_type
[0], 0);
6260 wlc_calc_frame_time(wlc
, rspec
[1],
6264 wlc_compute_frame_dur(wlc
, rspec
[1],
6265 preamble_type
[1], 0);
6267 /* NEED to set TxFesTimeNormal (hard) */
6268 txh
->TxFesTimeNormal
= htol16((u16
) dur
);
6269 /* NEED to set fallback rate version of TxFesTimeNormal (hard) */
6270 txh
->TxFesTimeFallback
= htol16((u16
) dur_fallback
);
6272 /* update txop byte threshold (txop minus intraframe overhead) */
6273 if (wlc
->edcf_txop
[ac
] >= (dur
- frag_dur
)) {
6278 wlc_calc_frame_len(wlc
, rspec
[0],
6284 /* range bound the fragthreshold */
6285 if (newfragthresh
< DOT11_MIN_FRAG_LEN
)
6288 else if (newfragthresh
>
6289 wlc
->usr_fragthresh
)
6291 wlc
->usr_fragthresh
;
6292 /* update the fragthresh and do txc update */
6293 if (wlc
->fragthresh
[queue
] !=
6294 (u16
) newfragthresh
) {
6295 wlc
->fragthresh
[queue
] =
6296 (u16
) newfragthresh
;
6300 WL_ERROR(("wl%d: %s txop invalid for rate %d\n",
6301 wlc
->pub
->unit
, fifo_names
[queue
],
6302 RSPEC2RATE(rspec
[0])));
6304 if (dur
> wlc
->edcf_txop
[ac
])
6305 WL_ERROR(("wl%d: %s: %s txop exceeded phylen %d/%d dur %d/%d\n", wlc
->pub
->unit
, __func__
, fifo_names
[queue
], phylen
, wlc
->fragthresh
[queue
], dur
, wlc
->edcf_txop
[ac
]));
6312 void wlc_tbtt(wlc_info_t
*wlc
, d11regs_t
*regs
)
6314 wlc_bsscfg_t
*cfg
= wlc
->cfg
;
6316 WLCNTINCR(wlc
->pub
->_cnt
->tbtt
);
6318 if (BSSCFG_STA(cfg
)) {
6319 /* run watchdog here if the watchdog timer is not armed */
6320 if (WLC_WATCHDOG_TBTT(wlc
)) {
6323 wl_del_timer(wlc
->wl
, wlc
->wdtimer
);
6324 wlc
->WDarmed
= false;
6327 cur
= OSL_SYSUPTIME();
6328 delta
= cur
> wlc
->WDlast
? cur
- wlc
->WDlast
:
6329 (u32
) ~0 - wlc
->WDlast
+ cur
+ 1;
6330 if (delta
>= TIMER_INTERVAL_WATCHDOG
) {
6331 wlc_watchdog((void *)wlc
);
6335 wl_add_timer(wlc
->wl
, wlc
->wdtimer
,
6336 wlc_watchdog_backup_bi(wlc
), true);
6337 wlc
->WDarmed
= true;
6342 /* DirFrmQ is now valid...defer setting until end of ATIM window */
6343 wlc
->qvalid
|= MCMD_DIRFRMQVAL
;
6347 /* GP timer is a freerunning 32 bit counter, decrements at 1 us rate */
6348 void wlc_hwtimer_gptimer_set(wlc_info_t
*wlc
, uint us
)
6350 ASSERT(wlc
->pub
->corerev
>= 3); /* no gptimer in earlier revs */
6351 W_REG(wlc
->osh
, &wlc
->regs
->gptimer
, us
);
6354 void wlc_hwtimer_gptimer_abort(wlc_info_t
*wlc
)
6356 ASSERT(wlc
->pub
->corerev
>= 3);
6357 W_REG(wlc
->osh
, &wlc
->regs
->gptimer
, 0);
6360 static void wlc_hwtimer_gptimer_cb(wlc_info_t
*wlc
)
6362 /* when interrupt is generated, the counter is loaded with last value
6363 * written and continue to decrement. So it has to be cleaned first
6365 W_REG(wlc
->osh
, &wlc
->regs
->gptimer
, 0);
6369 * This fn has all the high level dpc processing from wlc_dpc.
6370 * POLICY: no macinstatus change, no bounding loop.
6371 * All dpc bounding should be handled in BMAC dpc, like txstatus and rxint
6373 void wlc_high_dpc(wlc_info_t
*wlc
, u32 macintstatus
)
6375 d11regs_t
*regs
= wlc
->regs
;
6378 static const bcm_bit_desc_t int_flags
[] = {
6379 {MI_MACSSPNDD
, "MACSSPNDD"},
6380 {MI_BCNTPL
, "BCNTPL"},
6382 {MI_BCNSUCCESS
, "BCNSUCCESS"},
6383 {MI_BCNCANCLD
, "BCNCANCLD"},
6384 {MI_ATIMWINEND
, "ATIMWINEND"},
6386 {MI_NSPECGEN_0
, "NSPECGEN_0"},
6387 {MI_NSPECGEN_1
, "NSPECGEN_1"},
6388 {MI_MACTXERR
, "MACTXERR"},
6389 {MI_NSPECGEN_3
, "NSPECGEN_3"},
6390 {MI_PHYTXERR
, "PHYTXERR"},
6394 {MI_DMAINT
, "DMAINT"},
6395 {MI_TXSTOP
, "TXSTOP"},
6397 {MI_BG_NOISE
, "BG_NOISE"},
6398 {MI_DTIM_TBTT
, "DTIM_TBTT"},
6400 {MI_PWRUP
, "PWRUP"},
6401 {MI_RFDISABLE
, "RFDISABLE"},
6403 {MI_PHYCHANGED
, "PHYCHANGED"},
6408 if (macintstatus
& ~(MI_TBTT
| MI_TXSTOP
)) {
6409 bcm_format_flags(int_flags
, macintstatus
, flagstr
,
6411 WL_TRACE(("wl%d: macintstatus 0x%x %s\n", wlc
->pub
->unit
,
6412 macintstatus
, flagstr
));
6416 if (macintstatus
& MI_PRQ
) {
6417 /* Process probe request FIFO */
6418 ASSERT(0 && "PRQ Interrupt in non-MBSS");
6421 /* TBTT indication */
6422 /* ucode only gives either TBTT or DTIM_TBTT, not both */
6423 if (macintstatus
& (MI_TBTT
| MI_DTIM_TBTT
))
6424 wlc_tbtt(wlc
, regs
);
6426 if (macintstatus
& MI_GP0
) {
6427 WL_ERROR(("wl%d: PSM microcode watchdog fired at %d (seconds). Resetting.\n", wlc
->pub
->unit
, wlc
->pub
->now
));
6429 printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n",
6430 __func__
, wlc
->pub
->sih
->chip
,
6431 wlc
->pub
->sih
->chiprev
);
6433 WLCNTINCR(wlc
->pub
->_cnt
->psmwds
);
6439 /* gptimer timeout */
6440 if (macintstatus
& MI_TO
) {
6441 wlc_hwtimer_gptimer_cb(wlc
);
6444 if (macintstatus
& MI_RFDISABLE
) {
6445 WL_ERROR(("wl%d: MAC Detected a change on the RF Disable Input 0x%x\n", wlc
->pub
->unit
, R_REG(wlc
->osh
, ®s
->phydebug
) & PDBG_RFD
));
6446 /* delay the cleanup to wl_down in IBSS case */
6447 if ((R_REG(wlc
->osh
, ®s
->phydebug
) & PDBG_RFD
)) {
6449 wlc_bsscfg_t
*bsscfg
;
6450 FOREACH_BSS(wlc
, idx
, bsscfg
) {
6451 if (!BSSCFG_STA(bsscfg
) || !bsscfg
->enable
6454 WL_ERROR(("wl%d: wlc_dpc: rfdisable -> wlc_bsscfg_disable()\n", wlc
->pub
->unit
));
6459 /* send any enq'd tx packets. Just makes sure to jump start tx */
6460 if (!pktq_empty(&wlc
->active_queue
->q
))
6461 wlc_send_q(wlc
, wlc
->active_queue
);
6463 ASSERT(wlc_ps_check(wlc
));
6466 static void *wlc_15420war(wlc_info_t
*wlc
, uint queue
)
6471 ASSERT(queue
< NFIFO
);
6473 if ((D11REV_IS(wlc
->pub
->corerev
, 4))
6474 || (D11REV_GT(wlc
->pub
->corerev
, 6)))
6477 di
= wlc
->hw
->di
[queue
];
6480 /* get next packet, ignoring XmtStatus.Curr */
6481 p
= dma_getnexttxp(di
, HNDDMA_RANGE_ALL
);
6483 /* sw block tx dma */
6486 /* if tx ring is now empty, reset and re-init the tx dma channel */
6487 if (dma_txactive(wlc
->hw
->di
[queue
]) == 0) {
6488 WLCNTINCR(wlc
->pub
->_cnt
->txdmawar
);
6489 if (!dma_txreset(di
))
6490 WL_ERROR(("wl%d: %s: dma_txreset[%d]: cannot stop dma\n", wlc
->pub
->unit
, __func__
, queue
));
6496 static void wlc_war16165(wlc_info_t
*wlc
, bool tx
)
6499 /* the post-increment is used in STAY_AWAKE macro */
6500 if (wlc
->txpend16165war
++ == 0)
6501 wlc_set_ps_ctrl(wlc
);
6503 wlc
->txpend16165war
--;
6504 if (wlc
->txpend16165war
== 0)
6505 wlc_set_ps_ctrl(wlc
);
6509 /* process an individual tx_status_t */
6512 wlc_dotxstatus(wlc_info_t
*wlc
, tx_status_t
*txs
, u32 frm_tx2
)
6517 struct scb
*scb
= NULL
;
6519 struct osl_info
*osh
;
6520 int tx_rts
, tx_frame_count
, tx_rts_count
;
6521 uint totlen
, supr_status
;
6523 struct dot11_header
*h
;
6526 struct ieee80211_tx_info
*tx_info
;
6527 struct ieee80211_tx_rate
*txrate
;
6530 (void)(frm_tx2
); /* Compiler reference to avoid unused variable warning */
6532 /* discard intermediate indications for ucode with one legitimate case:
6533 * e.g. if "useRTS" is set. ucode did a successful rts/cts exchange, but the subsequent
6534 * tx of DATA failed. so it will start rts/cts from the beginning (resetting the rts
6535 * transmission count)
6537 if (!(txs
->status
& TX_STATUS_AMPDU
)
6538 && (txs
->status
& TX_STATUS_INTERMEDIATE
)) {
6539 WLCNTADD(wlc
->pub
->_cnt
->txnoack
,
6541 status
& TX_STATUS_FRM_RTX_MASK
) >>
6542 TX_STATUS_FRM_RTX_SHIFT
));
6543 WL_ERROR(("%s: INTERMEDIATE but not AMPDU\n", __func__
));
6548 queue
= txs
->frameid
& TXFID_QUEUE_MASK
;
6549 ASSERT(queue
< NFIFO
);
6550 if (queue
>= NFIFO
) {
6555 p
= GETNEXTTXP(wlc
, queue
);
6556 if (WLC_WAR16165(wlc
))
6557 wlc_war16165(wlc
, false);
6559 p
= wlc_15420war(wlc
, queue
);
6564 txh
= (d11txh_t
*) (p
->data
);
6565 mcl
= ltoh16(txh
->MacTxControlLow
);
6568 WL_ERROR(("phyerr 0x%x, rate 0x%x\n", txs
->phyerr
,
6570 wlc_print_txdesc(txh
);
6571 wlc_print_txstatus(txs
);
6574 ASSERT(txs
->frameid
== htol16(txh
->TxFrameID
));
6575 if (txs
->frameid
!= htol16(txh
->TxFrameID
))
6578 tx_info
= IEEE80211_SKB_CB(p
);
6579 h
= (struct dot11_header
*)((u8
*) (txh
+ 1) + D11_PHY_HDR_LEN
);
6582 scb
= (struct scb
*)tx_info
->control
.sta
->drv_priv
;
6584 if (N_ENAB(wlc
->pub
)) {
6585 u8
*plcp
= (u8
*) (txh
+ 1);
6586 if (PLCP3_ISSGI(plcp
[3]))
6587 WLCNTINCR(wlc
->pub
->_cnt
->txmpdu_sgi
);
6588 if (PLCP3_ISSTBC(plcp
[3]))
6589 WLCNTINCR(wlc
->pub
->_cnt
->txmpdu_stbc
);
6592 if (tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
) {
6593 ASSERT((mcl
& TXC_AMPDU_MASK
) != TXC_AMPDU_NONE
);
6594 wlc_ampdu_dotxstatus(wlc
->ampdu
, scb
, p
, txs
);
6598 supr_status
= txs
->status
& TX_STATUS_SUPR_MASK
;
6599 if (supr_status
== TX_STATUS_SUPR_BADCH
)
6600 WL_NONE(("%s: Pkt tx suppressed, possibly channel %d\n",
6601 __func__
, CHSPEC_CHANNEL(wlc
->default_bss
->chanspec
)));
6603 tx_rts
= htol16(txh
->MacTxControlLow
) & TXC_SENDRTS
;
6605 (txs
->status
& TX_STATUS_FRM_RTX_MASK
) >> TX_STATUS_FRM_RTX_SHIFT
;
6607 (txs
->status
& TX_STATUS_RTS_RTX_MASK
) >> TX_STATUS_RTS_RTX_SHIFT
;
6609 lastframe
= (fc
& FC_MOREFRAG
) == 0;
6612 WL_ERROR(("Not last frame!\n"));
6615 ieee80211_tx_info_clear_status(tx_info
);
6616 if (queue
< AC_COUNT
) {
6617 sfbl
= WLC_WME_RETRY_SFB_GET(wlc
, wme_fifo2ac
[queue
]);
6618 lfbl
= WLC_WME_RETRY_LFB_GET(wlc
, wme_fifo2ac
[queue
]);
6624 txrate
= tx_info
->status
.rates
;
6625 /* FIXME: this should use a combination of sfbl, lfbl depending on frame length and RTS setting */
6626 if ((tx_frame_count
> sfbl
) && (txrate
[1].idx
>= 0)) {
6627 /* rate selection requested a fallback rate and we used it */
6628 txrate
->count
= lfbl
;
6629 txrate
[1].count
= tx_frame_count
- lfbl
;
6631 /* rate selection did not request fallback rate, or we didn't need it */
6632 txrate
->count
= tx_frame_count
;
6633 /* rc80211_minstrel.c:minstrel_tx_status() expects unused rates to be marked with idx = -1 */
6635 txrate
[1].count
= 0;
6638 /* clear the rest of the rates */
6639 for (i
= 2; i
< IEEE80211_TX_MAX_RATES
; i
++) {
6641 txrate
[i
].count
= 0;
6644 if (txs
->status
& TX_STATUS_ACK_RCV
)
6645 tx_info
->flags
|= IEEE80211_TX_STAT_ACK
;
6648 totlen
= pkttotlen(osh
, p
);
6651 wlc_txfifo_complete(wlc
, queue
, 1);
6657 /* remove PLCP & Broadcom tx descriptor header */
6658 skb_pull(p
, D11_PHY_HDR_LEN
);
6659 skb_pull(p
, D11_TXH_LEN
);
6660 ieee80211_tx_status_irqsafe(wlc
->pub
->ieee_hw
, p
);
6661 WLCNTINCR(wlc
->pub
->_cnt
->ieee_tx_status
);
6663 WL_ERROR(("%s: Not last frame => not calling tx_status\n",
6672 PKTFREE(osh
, p
, true);
6679 wlc_txfifo_complete(wlc_info_t
*wlc
, uint fifo
, s8 txpktpend
)
6681 TXPKTPENDDEC(wlc
, fifo
, txpktpend
);
6682 WL_TRACE(("wlc_txfifo_complete, pktpend dec %d to %d\n", txpktpend
,
6683 TXPKTPENDGET(wlc
, fifo
)));
6685 /* There is more room; mark precedences related to this FIFO sendable */
6686 WLC_TX_FIFO_ENAB(wlc
, fifo
);
6687 ASSERT(TXPKTPENDGET(wlc
, fifo
) >= 0);
6689 if (!TXPKTPENDTOT(wlc
)) {
6690 if (wlc
->block_datafifo
& DATA_BLOCK_TX_SUPR
)
6691 wlc_bsscfg_tx_check(wlc
);
6694 /* Clear MHF2_TXBCMC_NOW flag if BCMC fifo has drained */
6695 if (AP_ENAB(wlc
->pub
) &&
6696 wlc
->bcmcfifo_drain
&& !TXPKTPENDGET(wlc
, TX_BCMC_FIFO
)) {
6697 wlc
->bcmcfifo_drain
= false;
6698 wlc_mhf(wlc
, MHF2
, MHF2_TXBCMC_NOW
, 0, WLC_BAND_AUTO
);
6701 /* figure out which bsscfg is being worked on... */
6704 /* Given the beacon interval in kus, and a 64 bit TSF in us,
6705 * return the offset (in us) of the TSF from the last TBTT
6707 u32
wlc_calc_tbtt_offset(u32 bp
, u32 tsf_h
, u32 tsf_l
)
6709 u32 k
, btklo
, btkhi
, offset
;
6711 /* TBTT is always an even multiple of the beacon_interval,
6712 * so the TBTT less than or equal to the beacon timestamp is
6713 * the beacon timestamp minus the beacon timestamp modulo
6714 * the beacon interval.
6716 * TBTT = BT - (BT % BIu)
6717 * = (BTk - (BTk % BP)) * 2^10
6719 * BT = beacon timestamp (usec, 64bits)
6720 * BTk = beacon timestamp (Kusec, 54bits)
6721 * BP = beacon interval (Kusec, 16bits)
6722 * BIu = BP * 2^10 = beacon interval (usec, 26bits)
6724 * To keep the calculations in u32s, the modulo operation
6725 * on the high part of BT needs to be done in parts using the
6727 * X*Y mod Z = ((X mod Z) * (Y mod Z)) mod Z
6729 * (X + Y) mod Z = ((X mod Z) + (Y mod Z)) mod Z
6731 * So, if BTk[n] = u16 n [0,3] of BTk.
6732 * BTk % BP = SUM((BTk[n] * 2^16n) % BP , 0<=n<4) % BP
6733 * and the SUM term can be broken down:
6734 * (BTk[n] * 2^16n) % BP
6735 * (BTk[n] * (2^16n % BP)) % BP
6737 * Create a set of power of 2 mod BP constants:
6738 * K[n] = 2^(16n) % BP
6739 * = (K[n-1] * 2^16) % BP
6740 * K[2] = 2^32 % BP = ((2^16 % BP) * 2^16) % BP
6742 * BTk % BP = BTk[0-1] % BP +
6743 * (BTk[2] * K[2]) % BP +
6744 * (BTk[3] * K[3]) % BP
6746 * Since K[n] < 2^16 and BTk[n] is < 2^16, then BTk[n] * K[n] < 2^32
6749 /* BTk = BT >> 10, btklo = BTk[0-3], bkthi = BTk[4-6] */
6750 btklo
= (tsf_h
<< 22) | (tsf_l
>> 10);
6751 btkhi
= tsf_h
>> 10;
6753 /* offset = BTk % BP */
6754 offset
= btklo
% bp
;
6756 /* K[2] = ((2^16 % BP) * 2^16) % BP */
6757 k
= (u32
) (1 << 16) % bp
;
6758 k
= (u32
) (k
* 1 << 16) % (u32
) bp
;
6760 /* offset += (BTk[2] * K[2]) % BP */
6761 offset
+= ((btkhi
& 0xffff) * k
) % bp
;
6764 btkhi
= btkhi
>> 16;
6766 /* k[3] = (K[2] * 2^16) % BP */
6769 /* offset += (BTk[3] * K[3]) % BP */
6770 offset
+= ((btkhi
& 0xffff) * k
) % bp
;
6772 offset
= offset
% bp
;
6774 /* convert offset from kus to us by shifting up 10 bits and
6775 * add in the low 10 bits of tsf that we ignored
6777 offset
= (offset
<< 10) + (tsf_l
& 0x3FF);
6782 /* Update beacon listen interval in shared memory */
6783 void wlc_bcn_li_upd(wlc_info_t
*wlc
)
6785 if (AP_ENAB(wlc
->pub
))
6788 /* wake up every DTIM is the default */
6789 if (wlc
->bcn_li_dtim
== 1)
6790 wlc_write_shm(wlc
, M_BCN_LI
, 0);
6792 wlc_write_shm(wlc
, M_BCN_LI
,
6793 (wlc
->bcn_li_dtim
<< 8) | wlc
->bcn_li_bcn
);
6797 prep_mac80211_status(wlc_info_t
*wlc
, d11rxhdr_t
*rxh
, struct sk_buff
*p
,
6798 struct ieee80211_rx_status
*rx_status
)
6801 wlc_d11rxhdr_t
*wlc_rxh
= (wlc_d11rxhdr_t
*) rxh
;
6805 unsigned char *plcp
;
6807 wlc_read_tsf(wlc
, &tsf_l
, &tsf_h
); /* mactime */
6808 rx_status
->mactime
= tsf_h
;
6809 rx_status
->mactime
<<= 32;
6810 rx_status
->mactime
|= tsf_l
;
6811 rx_status
->flag
|= RX_FLAG_TSFT
;
6813 channel
= WLC_CHAN_CHANNEL(rxh
->RxChan
);
6815 /* XXX Channel/badn needs to be filtered against whether we are single/dual band card */
6817 rx_status
->band
= IEEE80211_BAND_5GHZ
;
6818 rx_status
->freq
= wf_channel2mhz(channel
, WF_CHAN_FACTOR_5_G
);
6820 rx_status
->band
= IEEE80211_BAND_2GHZ
;
6821 rx_status
->freq
= wf_channel2mhz(channel
, WF_CHAN_FACTOR_2_4_G
);
6824 rx_status
->signal
= wlc_rxh
->rssi
; /* signal */
6828 rx_status
->antenna
= (rxh
->PhyRxStatus_0
& PRXS0_RXANT_UPSUBBAND
) ? 1 : 0; /* ant */
6832 rspec
= wlc_compute_rspec(rxh
, plcp
);
6833 if (IS_MCS(rspec
)) {
6834 rx_status
->rate_idx
= rspec
& RSPEC_RATE_MASK
;
6835 rx_status
->flag
|= RX_FLAG_HT
;
6836 if (RSPEC_IS40MHZ(rspec
))
6837 rx_status
->flag
|= RX_FLAG_40MHZ
;
6839 switch (RSPEC2RATE(rspec
)) {
6841 rx_status
->rate_idx
= 0;
6844 rx_status
->rate_idx
= 1;
6847 rx_status
->rate_idx
= 2;
6850 rx_status
->rate_idx
= 3;
6853 rx_status
->rate_idx
= 4;
6856 rx_status
->rate_idx
= 5;
6859 rx_status
->rate_idx
= 6;
6862 rx_status
->rate_idx
= 7;
6865 rx_status
->rate_idx
= 8;
6868 rx_status
->rate_idx
= 9;
6871 rx_status
->rate_idx
= 10;
6874 rx_status
->rate_idx
= 11;
6877 WL_ERROR(("%s: Unknown rate\n", __func__
));
6880 /* Determine short preamble and rate_idx */
6882 if (IS_CCK(rspec
)) {
6883 if (rxh
->PhyRxStatus_0
& PRXS0_SHORTH
)
6884 WL_ERROR(("Short CCK\n"));
6885 rx_status
->flag
|= RX_FLAG_SHORTPRE
;
6886 } else if (IS_OFDM(rspec
)) {
6887 rx_status
->flag
|= RX_FLAG_SHORTPRE
;
6889 WL_ERROR(("%s: Unknown modulation\n", __func__
));
6893 if (PLCP3_ISSGI(plcp
[3]))
6894 rx_status
->flag
|= RX_FLAG_SHORT_GI
;
6896 if (rxh
->RxStatus1
& RXS_DECERR
) {
6897 rx_status
->flag
|= RX_FLAG_FAILED_PLCP_CRC
;
6898 WL_ERROR(("%s: RX_FLAG_FAILED_PLCP_CRC\n", __func__
));
6900 if (rxh
->RxStatus1
& RXS_FCSERR
) {
6901 rx_status
->flag
|= RX_FLAG_FAILED_FCS_CRC
;
6902 WL_ERROR(("%s: RX_FLAG_FAILED_FCS_CRC\n", __func__
));
6907 wlc_recvctl(wlc_info_t
*wlc
, struct osl_info
*osh
, d11rxhdr_t
*rxh
,
6911 struct ieee80211_rx_status rx_status
;
6913 struct sk_buff
*skb
= p
;
6916 * Cache plcp for first MPDU of AMPD and use chacched version for INTERMEDIATE.
6917 * Test for INTERMEDIATE like so:
6918 * if (!(plcp[0] | plcp[1] | plcp[2]))
6921 memset(&rx_status
, 0, sizeof(rx_status
));
6922 prep_mac80211_status(wlc
, rxh
, p
, &rx_status
);
6924 /* mac header+body length, exclude CRC and plcp header */
6925 len_mpdu
= p
->len
- D11_PHY_HDR_LEN
- DOT11_FCS_LEN
;
6926 skb_pull(p
, D11_PHY_HDR_LEN
);
6927 __skb_trim(p
, len_mpdu
);
6932 ASSERT(IS_ALIGNED((unsigned long)skb
->data
, 2));
6934 memcpy(IEEE80211_SKB_RXCB(p
), &rx_status
, sizeof(rx_status
));
6935 ieee80211_rx_irqsafe(wlc
->pub
->ieee_hw
, p
);
6937 WLCNTINCR(wlc
->pub
->_cnt
->ieee_rx
);
6938 osh
->pub
.pktalloced
--;
6942 void wlc_bss_list_free(wlc_info_t
*wlc
, wlc_bss_list_t
*bss_list
)
6948 WL_ERROR(("%s: Attempting to free NULL list\n", __func__
));
6951 /* inspect all BSS descriptor */
6952 for (index
= 0; index
< bss_list
->count
; index
++) {
6953 bi
= bss_list
->ptrs
[index
];
6959 bss_list
->ptrs
[index
] = NULL
;
6962 bss_list
->count
= 0;
6965 /* Process received frames */
6967 * Return true if more frames need to be processed. false otherwise.
6968 * Param 'bound' indicates max. # frames to process before break out.
6971 void BCMFASTPATH
wlc_recv(wlc_info_t
*wlc
, struct sk_buff
*p
)
6974 struct dot11_header
*h
;
6975 struct osl_info
*osh
;
6980 WL_TRACE(("wl%d: wlc_recv\n", wlc
->pub
->unit
));
6984 /* frame starts with rxhdr */
6985 rxh
= (d11rxhdr_t
*) (p
->data
);
6987 /* strip off rxhdr */
6988 skb_pull(p
, wlc
->hwrxoff
);
6990 /* fixup rx header endianness */
6991 ltoh16_buf((void *)rxh
, sizeof(d11rxhdr_t
));
6993 /* MAC inserts 2 pad bytes for a4 headers or QoS or A-MSDU subframes */
6994 if (rxh
->RxStatus1
& RXS_PBPRES
) {
6996 WLCNTINCR(wlc
->pub
->_cnt
->rxrunt
);
6997 WL_ERROR(("wl%d: wlc_recv: rcvd runt of len %d\n",
6998 wlc
->pub
->unit
, p
->len
));
7004 h
= (struct dot11_header
*)(p
->data
+ D11_PHY_HDR_LEN
);
7007 if (rxh
->RxStatus1
& RXS_FCSERR
) {
7008 if (wlc
->pub
->mac80211_state
& MAC80211_PROMISC_BCNS
) {
7009 WL_ERROR(("FCSERR while scanning******* - tossing\n"));
7012 WL_ERROR(("RCSERR!!!\n"));
7017 /* check received pkt has at least frame control field */
7018 if (len
>= D11_PHY_HDR_LEN
+ sizeof(h
->fc
)) {
7021 WLCNTINCR(wlc
->pub
->_cnt
->rxrunt
);
7025 is_amsdu
= rxh
->RxStatus2
& RXS_AMSDU_MASK
;
7027 /* explicitly test bad src address to avoid sending bad deauth */
7029 /* CTS and ACK CTL frames are w/o a2 */
7030 if (FC_TYPE(fc
) == FC_TYPE_DATA
|| FC_TYPE(fc
) == FC_TYPE_MNG
) {
7031 if ((ETHER_ISNULLADDR(&h
->a2
) || ETHER_ISMULTI(&h
->a2
))) {
7032 WL_ERROR(("wl%d: %s: dropping a frame with "
7033 "invalid src mac address, a2: %pM\n",
7034 wlc
->pub
->unit
, __func__
, &h
->a2
));
7035 WLCNTINCR(wlc
->pub
->_cnt
->rxbadsrcmac
);
7038 WLCNTINCR(wlc
->pub
->_cnt
->rxfrag
);
7042 /* due to sheer numbers, toss out probe reqs for now */
7043 if (FC_TYPE(fc
) == FC_TYPE_MNG
) {
7044 if ((fc
& FC_KIND_MASK
) == FC_PROBE_REQ
)
7049 WL_ERROR(("%s: is_amsdu causing toss\n", __func__
));
7053 wlc_recvctl(wlc
, osh
, rxh
, p
);
7057 PKTFREE(osh
, p
, false);
7060 /* calculate frame duration for Mixed-mode L-SIG spoofing, return
7061 * number of bytes goes in the length field
7063 * Formula given by HT PHY Spec v 1.13
7064 * len = 3(nsyms + nstream + 3) - 3
7067 wlc_calc_lsig_len(wlc_info_t
*wlc
, ratespec_t ratespec
, uint mac_len
)
7069 uint nsyms
, len
= 0, kNdps
;
7071 WL_TRACE(("wl%d: wlc_calc_lsig_len: rate %d, len%d\n", wlc
->pub
->unit
,
7072 RSPEC2RATE(ratespec
), mac_len
));
7074 if (IS_MCS(ratespec
)) {
7075 uint mcs
= ratespec
& RSPEC_RATE_MASK
;
7076 /* MCS_TXS(mcs) returns num tx streams - 1 */
7077 int tot_streams
= (MCS_TXS(mcs
) + 1) + RSPEC_STC(ratespec
);
7079 ASSERT(WLC_PHY_11N_CAP(wlc
->band
));
7080 /* the payload duration calculation matches that of regular ofdm */
7081 /* 1000Ndbps = kbps * 4 */
7083 MCS_RATE(mcs
, RSPEC_IS40MHZ(ratespec
),
7084 RSPEC_ISSGI(ratespec
)) * 4;
7086 if (RSPEC_STC(ratespec
) == 0)
7087 /* NSyms = CEILING((SERVICE + 8*NBytes + TAIL) / Ndbps) */
7089 CEIL((APHY_SERVICE_NBITS
+ 8 * mac_len
+
7090 APHY_TAIL_NBITS
) * 1000, kNdps
);
7092 /* STBC needs to have even number of symbols */
7095 CEIL((APHY_SERVICE_NBITS
+ 8 * mac_len
+
7096 APHY_TAIL_NBITS
) * 1000, 2 * kNdps
);
7098 nsyms
+= (tot_streams
+ 3); /* (+3) account for HT-SIG(2) and HT-STF(1) */
7099 /* 3 bytes/symbol @ legacy 6Mbps rate */
7100 len
= (3 * nsyms
) - 3; /* (-3) excluding service bits and tail bits */
7106 /* calculate frame duration of a given rate and length, return time in usec unit */
7108 wlc_calc_frame_time(wlc_info_t
*wlc
, ratespec_t ratespec
, u8 preamble_type
,
7111 uint nsyms
, dur
= 0, Ndps
, kNdps
;
7112 uint rate
= RSPEC2RATE(ratespec
);
7116 WL_ERROR(("wl%d: WAR: using rate of 1 mbps\n", wlc
->pub
->unit
));
7120 WL_TRACE(("wl%d: wlc_calc_frame_time: rspec 0x%x, preamble_type %d, len%d\n", wlc
->pub
->unit
, ratespec
, preamble_type
, mac_len
));
7122 if (IS_MCS(ratespec
)) {
7123 uint mcs
= ratespec
& RSPEC_RATE_MASK
;
7124 int tot_streams
= MCS_TXS(mcs
) + RSPEC_STC(ratespec
);
7125 ASSERT(WLC_PHY_11N_CAP(wlc
->band
));
7126 ASSERT(WLC_IS_MIMO_PREAMBLE(preamble_type
));
7128 dur
= PREN_PREAMBLE
+ (tot_streams
* PREN_PREAMBLE_EXT
);
7129 if (preamble_type
== WLC_MM_PREAMBLE
)
7131 /* 1000Ndbps = kbps * 4 */
7133 MCS_RATE(mcs
, RSPEC_IS40MHZ(ratespec
),
7134 RSPEC_ISSGI(ratespec
)) * 4;
7136 if (RSPEC_STC(ratespec
) == 0)
7137 /* NSyms = CEILING((SERVICE + 8*NBytes + TAIL) / Ndbps) */
7139 CEIL((APHY_SERVICE_NBITS
+ 8 * mac_len
+
7140 APHY_TAIL_NBITS
) * 1000, kNdps
);
7142 /* STBC needs to have even number of symbols */
7145 CEIL((APHY_SERVICE_NBITS
+ 8 * mac_len
+
7146 APHY_TAIL_NBITS
) * 1000, 2 * kNdps
);
7148 dur
+= APHY_SYMBOL_TIME
* nsyms
;
7149 if (BAND_2G(wlc
->band
->bandtype
))
7150 dur
+= DOT11_OFDM_SIGNAL_EXTENSION
;
7151 } else if (IS_OFDM(rate
)) {
7152 dur
= APHY_PREAMBLE_TIME
;
7153 dur
+= APHY_SIGNAL_TIME
;
7154 /* Ndbps = Mbps * 4 = rate(500Kbps) * 2 */
7156 /* NSyms = CEILING((SERVICE + 8*NBytes + TAIL) / Ndbps) */
7158 CEIL((APHY_SERVICE_NBITS
+ 8 * mac_len
+ APHY_TAIL_NBITS
),
7160 dur
+= APHY_SYMBOL_TIME
* nsyms
;
7161 if (BAND_2G(wlc
->band
->bandtype
))
7162 dur
+= DOT11_OFDM_SIGNAL_EXTENSION
;
7164 /* calc # bits * 2 so factor of 2 in rate (1/2 mbps) will divide out */
7165 mac_len
= mac_len
* 8 * 2;
7166 /* calc ceiling of bits/rate = microseconds of air time */
7167 dur
= (mac_len
+ rate
- 1) / rate
;
7168 if (preamble_type
& WLC_SHORT_PREAMBLE
)
7169 dur
+= BPHY_PLCP_SHORT_TIME
;
7171 dur
+= BPHY_PLCP_TIME
;
7176 /* The opposite of wlc_calc_frame_time */
7178 wlc_calc_frame_len(wlc_info_t
*wlc
, ratespec_t ratespec
, u8 preamble_type
,
7181 uint nsyms
, mac_len
, Ndps
, kNdps
;
7182 uint rate
= RSPEC2RATE(ratespec
);
7184 WL_TRACE(("wl%d: wlc_calc_frame_len: rspec 0x%x, preamble_type %d, dur %d\n", wlc
->pub
->unit
, ratespec
, preamble_type
, dur
));
7186 if (IS_MCS(ratespec
)) {
7187 uint mcs
= ratespec
& RSPEC_RATE_MASK
;
7188 int tot_streams
= MCS_TXS(mcs
) + RSPEC_STC(ratespec
);
7189 ASSERT(WLC_PHY_11N_CAP(wlc
->band
));
7190 dur
-= PREN_PREAMBLE
+ (tot_streams
* PREN_PREAMBLE_EXT
);
7191 /* payload calculation matches that of regular ofdm */
7192 if (BAND_2G(wlc
->band
->bandtype
))
7193 dur
-= DOT11_OFDM_SIGNAL_EXTENSION
;
7194 /* kNdbps = kbps * 4 */
7196 MCS_RATE(mcs
, RSPEC_IS40MHZ(ratespec
),
7197 RSPEC_ISSGI(ratespec
)) * 4;
7198 nsyms
= dur
/ APHY_SYMBOL_TIME
;
7201 ((APHY_SERVICE_NBITS
+ APHY_TAIL_NBITS
) * 1000)) / 8000;
7202 } else if (IS_OFDM(ratespec
)) {
7203 dur
-= APHY_PREAMBLE_TIME
;
7204 dur
-= APHY_SIGNAL_TIME
;
7205 /* Ndbps = Mbps * 4 = rate(500Kbps) * 2 */
7207 nsyms
= dur
/ APHY_SYMBOL_TIME
;
7210 (APHY_SERVICE_NBITS
+ APHY_TAIL_NBITS
)) / 8;
7212 if (preamble_type
& WLC_SHORT_PREAMBLE
)
7213 dur
-= BPHY_PLCP_SHORT_TIME
;
7215 dur
-= BPHY_PLCP_TIME
;
7216 mac_len
= dur
* rate
;
7217 /* divide out factor of 2 in rate (1/2 mbps) */
7218 mac_len
= mac_len
/ 8 / 2;
7224 wlc_calc_ba_time(wlc_info_t
*wlc
, ratespec_t rspec
, u8 preamble_type
)
7226 WL_TRACE(("wl%d: wlc_calc_ba_time: rspec 0x%x, preamble_type %d\n",
7227 wlc
->pub
->unit
, rspec
, preamble_type
));
7228 /* Spec 9.6: ack rate is the highest rate in BSSBasicRateSet that is less than
7229 * or equal to the rate of the immediately previous frame in the FES
7231 rspec
= WLC_BASIC_RATE(wlc
, rspec
);
7232 ASSERT(VALID_RATE_DBG(wlc
, rspec
));
7234 /* BA len == 32 == 16(ctl hdr) + 4(ba len) + 8(bitmap) + 4(fcs) */
7235 return wlc_calc_frame_time(wlc
, rspec
, preamble_type
,
7236 (DOT11_BA_LEN
+ DOT11_BA_BITMAP_LEN
+
7240 static uint BCMFASTPATH
7241 wlc_calc_ack_time(wlc_info_t
*wlc
, ratespec_t rspec
, u8 preamble_type
)
7245 WL_TRACE(("wl%d: wlc_calc_ack_time: rspec 0x%x, preamble_type %d\n",
7246 wlc
->pub
->unit
, rspec
, preamble_type
));
7247 /* Spec 9.6: ack rate is the highest rate in BSSBasicRateSet that is less than
7248 * or equal to the rate of the immediately previous frame in the FES
7250 rspec
= WLC_BASIC_RATE(wlc
, rspec
);
7251 ASSERT(VALID_RATE_DBG(wlc
, rspec
));
7253 /* ACK frame len == 14 == 2(fc) + 2(dur) + 6(ra) + 4(fcs) */
7255 wlc_calc_frame_time(wlc
, rspec
, preamble_type
,
7256 (DOT11_ACK_LEN
+ DOT11_FCS_LEN
));
7261 wlc_calc_cts_time(wlc_info_t
*wlc
, ratespec_t rspec
, u8 preamble_type
)
7263 WL_TRACE(("wl%d: wlc_calc_cts_time: ratespec 0x%x, preamble_type %d\n",
7264 wlc
->pub
->unit
, rspec
, preamble_type
));
7265 return wlc_calc_ack_time(wlc
, rspec
, preamble_type
);
7268 /* derive wlc->band->basic_rate[] table from 'rateset' */
7269 void wlc_rate_lookup_init(wlc_info_t
*wlc
, wlc_rateset_t
*rateset
)
7275 u8
*br
= wlc
->band
->basic_rate
;
7278 /* incoming rates are in 500kbps units as in 802.11 Supported Rates */
7279 memset(br
, 0, WLC_MAXRATE
+ 1);
7281 /* For each basic rate in the rates list, make an entry in the
7282 * best basic lookup.
7284 for (i
= 0; i
< rateset
->count
; i
++) {
7285 /* only make an entry for a basic rate */
7286 if (!(rateset
->rates
[i
] & WLC_RATE_FLAG
))
7289 /* mask off basic bit */
7290 rate
= (rateset
->rates
[i
] & RATE_MASK
);
7292 if (rate
> WLC_MAXRATE
) {
7293 WL_ERROR(("wlc_rate_lookup_init: invalid rate 0x%X in rate set\n", rateset
->rates
[i
]));
7300 /* The rate lookup table now has non-zero entries for each
7301 * basic rate, equal to the basic rate: br[basicN] = basicN
7303 * To look up the best basic rate corresponding to any
7304 * particular rate, code can use the basic_rate table
7307 * basic_rate = wlc->band->basic_rate[tx_rate]
7309 * Make sure there is a best basic rate entry for
7310 * every rate by walking up the table from low rates
7311 * to high, filling in holes in the lookup table
7314 for (i
= 0; i
< wlc
->band
->hw_rateset
.count
; i
++) {
7315 rate
= wlc
->band
->hw_rateset
.rates
[i
];
7316 ASSERT(rate
<= WLC_MAXRATE
);
7318 if (br
[rate
] != 0) {
7319 /* This rate is a basic rate.
7320 * Keep track of the best basic rate so far by
7331 /* This rate is not a basic rate so figure out the
7332 * best basic rate less than this rate and fill in
7333 * the hole in the table
7336 br
[rate
] = IS_OFDM(rate
) ? ofdm_basic
: cck_basic
;
7341 if (IS_OFDM(rate
)) {
7342 /* In 11g and 11a, the OFDM mandatory rates are 6, 12, and 24 Mbps */
7343 if (rate
>= WLC_RATE_24M
)
7344 mandatory
= WLC_RATE_24M
;
7345 else if (rate
>= WLC_RATE_12M
)
7346 mandatory
= WLC_RATE_12M
;
7348 mandatory
= WLC_RATE_6M
;
7350 /* In 11b, all the CCK rates are mandatory 1 - 11 Mbps */
7354 br
[rate
] = mandatory
;
7358 static void wlc_write_rate_shm(wlc_info_t
*wlc
, u8 rate
, u8 basic_rate
)
7361 u8 basic_phy_rate
, basic_index
;
7362 u16 dir_table
, basic_table
;
7365 /* Shared memory address for the table we are reading */
7366 dir_table
= IS_OFDM(basic_rate
) ? M_RT_DIRMAP_A
: M_RT_DIRMAP_B
;
7368 /* Shared memory address for the table we are writing */
7369 basic_table
= IS_OFDM(rate
) ? M_RT_BBRSMAP_A
: M_RT_BBRSMAP_B
;
7372 * for a given rate, the LS-nibble of the PLCP SIGNAL field is
7373 * the index into the rate table.
7375 phy_rate
= rate_info
[rate
] & RATE_MASK
;
7376 basic_phy_rate
= rate_info
[basic_rate
] & RATE_MASK
;
7377 index
= phy_rate
& 0xf;
7378 basic_index
= basic_phy_rate
& 0xf;
7380 /* Find the SHM pointer to the ACK rate entry by looking in the
7383 basic_ptr
= wlc_read_shm(wlc
, (dir_table
+ basic_index
* 2));
7385 /* Update the SHM BSS-basic-rate-set mapping table with the pointer
7386 * to the correct basic rate for the given incoming rate
7388 wlc_write_shm(wlc
, (basic_table
+ index
* 2), basic_ptr
);
7391 static const wlc_rateset_t
*wlc_rateset_get_hwrs(wlc_info_t
*wlc
)
7393 const wlc_rateset_t
*rs_dflt
;
7395 if (WLC_PHY_11N_CAP(wlc
->band
)) {
7396 if (BAND_5G(wlc
->band
->bandtype
))
7397 rs_dflt
= &ofdm_mimo_rates
;
7399 rs_dflt
= &cck_ofdm_mimo_rates
;
7400 } else if (wlc
->band
->gmode
)
7401 rs_dflt
= &cck_ofdm_rates
;
7403 rs_dflt
= &cck_rates
;
7408 void wlc_set_ratetable(wlc_info_t
*wlc
)
7410 const wlc_rateset_t
*rs_dflt
;
7412 u8 rate
, basic_rate
;
7415 rs_dflt
= wlc_rateset_get_hwrs(wlc
);
7416 ASSERT(rs_dflt
!= NULL
);
7418 wlc_rateset_copy(rs_dflt
, &rs
);
7419 wlc_rateset_mcs_upd(&rs
, wlc
->stf
->txstreams
);
7421 /* walk the phy rate table and update SHM basic rate lookup table */
7422 for (i
= 0; i
< rs
.count
; i
++) {
7423 rate
= rs
.rates
[i
] & RATE_MASK
;
7425 /* for a given rate WLC_BASIC_RATE returns the rate at
7426 * which a response ACK/CTS should be sent.
7428 basic_rate
= WLC_BASIC_RATE(wlc
, rate
);
7429 if (basic_rate
== 0) {
7430 /* This should only happen if we are using a
7431 * restricted rateset.
7433 basic_rate
= rs
.rates
[0] & RATE_MASK
;
7436 wlc_write_rate_shm(wlc
, rate
, basic_rate
);
7441 * Return true if the specified rate is supported by the specified band.
7442 * WLC_BAND_AUTO indicates the current band.
7444 bool wlc_valid_rate(wlc_info_t
*wlc
, ratespec_t rspec
, int band
, bool verbose
)
7446 wlc_rateset_t
*hw_rateset
;
7449 if ((band
== WLC_BAND_AUTO
) || (band
== wlc
->band
->bandtype
)) {
7450 hw_rateset
= &wlc
->band
->hw_rateset
;
7451 } else if (NBANDS(wlc
) > 1) {
7452 hw_rateset
= &wlc
->bandstate
[OTHERBANDUNIT(wlc
)]->hw_rateset
;
7454 /* other band specified and we are a single band device */
7458 /* check if this is a mimo rate */
7459 if (IS_MCS(rspec
)) {
7460 if (!VALID_MCS((rspec
& RSPEC_RATE_MASK
)))
7463 return isset(hw_rateset
->mcs
, (rspec
& RSPEC_RATE_MASK
));
7466 for (i
= 0; i
< hw_rateset
->count
; i
++)
7467 if (hw_rateset
->rates
[i
] == RSPEC2RATE(rspec
))
7471 WL_ERROR(("wl%d: wlc_valid_rate: rate spec 0x%x not in hw_rateset\n", wlc
->pub
->unit
, rspec
));
7477 static void wlc_update_mimo_band_bwcap(wlc_info_t
*wlc
, u8 bwcap
)
7482 for (i
= 0; i
< NBANDS(wlc
); i
++) {
7483 if (IS_SINGLEBAND_5G(wlc
->deviceid
))
7485 band
= wlc
->bandstate
[i
];
7486 if (band
->bandtype
== WLC_BAND_5G
) {
7487 if ((bwcap
== WLC_N_BW_40ALL
)
7488 || (bwcap
== WLC_N_BW_20IN2G_40IN5G
))
7489 band
->mimo_cap_40
= true;
7491 band
->mimo_cap_40
= false;
7493 ASSERT(band
->bandtype
== WLC_BAND_2G
);
7494 if (bwcap
== WLC_N_BW_40ALL
)
7495 band
->mimo_cap_40
= true;
7497 band
->mimo_cap_40
= false;
7501 wlc
->mimo_band_bwcap
= bwcap
;
7504 void wlc_mod_prb_rsp_rate_table(wlc_info_t
*wlc
, uint frame_len
)
7506 const wlc_rateset_t
*rs_dflt
;
7510 u8 plcp
[D11_PHY_HDR_LEN
];
7514 sifs
= SIFS(wlc
->band
);
7516 rs_dflt
= wlc_rateset_get_hwrs(wlc
);
7517 ASSERT(rs_dflt
!= NULL
);
7519 wlc_rateset_copy(rs_dflt
, &rs
);
7520 wlc_rateset_mcs_upd(&rs
, wlc
->stf
->txstreams
);
7522 /* walk the phy rate table and update MAC core SHM basic rate table entries */
7523 for (i
= 0; i
< rs
.count
; i
++) {
7524 rate
= rs
.rates
[i
] & RATE_MASK
;
7526 entry_ptr
= wlc_rate_shm_offset(wlc
, rate
);
7528 /* Calculate the Probe Response PLCP for the given rate */
7529 wlc_compute_plcp(wlc
, rate
, frame_len
, plcp
);
7531 /* Calculate the duration of the Probe Response frame plus SIFS for the MAC */
7533 (u16
) wlc_calc_frame_time(wlc
, rate
, WLC_LONG_PREAMBLE
,
7537 /* Update the SHM Rate Table entry Probe Response values */
7538 wlc_write_shm(wlc
, entry_ptr
+ M_RT_PRS_PLCP_POS
,
7539 (u16
) (plcp
[0] + (plcp
[1] << 8)));
7540 wlc_write_shm(wlc
, entry_ptr
+ M_RT_PRS_PLCP_POS
+ 2,
7541 (u16
) (plcp
[2] + (plcp
[3] << 8)));
7542 wlc_write_shm(wlc
, entry_ptr
+ M_RT_PRS_DUR_POS
, dur
);
7547 wlc_compute_bcntsfoff(wlc_info_t
*wlc
, ratespec_t rspec
, bool short_preamble
,
7552 if (IS_MCS(rspec
)) {
7553 WL_ERROR(("wl%d: recd beacon with mcs rate; rspec 0x%x\n",
7554 wlc
->pub
->unit
, rspec
));
7555 } else if (IS_OFDM(rspec
)) {
7556 /* tx delay from MAC through phy to air (2.1 usec) +
7557 * phy header time (preamble + PLCP SIGNAL == 20 usec) +
7558 * PLCP SERVICE + MAC header time (SERVICE + FC + DUR + A1 + A2 + A3 + SEQ == 26
7559 * bytes at beacon rate)
7561 bcntsfoff
+= phydelay
? D11A_PHY_TX_DELAY
: 0;
7562 bcntsfoff
+= APHY_PREAMBLE_TIME
+ APHY_SIGNAL_TIME
;
7564 wlc_compute_airtime(wlc
, rspec
,
7565 APHY_SERVICE_NBITS
/ 8 +
7568 /* tx delay from MAC through phy to air (3.4 usec) +
7569 * phy header time (long preamble + PLCP == 192 usec) +
7570 * MAC header time (FC + DUR + A1 + A2 + A3 + SEQ == 24 bytes at beacon rate)
7572 bcntsfoff
+= phydelay
? D11B_PHY_TX_DELAY
: 0;
7574 short_preamble
? D11B_PHY_SPREHDR_TIME
:
7575 D11B_PHY_LPREHDR_TIME
;
7576 bcntsfoff
+= wlc_compute_airtime(wlc
, rspec
, DOT11_MAC_HDR_LEN
);
7578 return (u16
) (bcntsfoff
);
7581 /* Max buffering needed for beacon template/prb resp template is 142 bytes.
7583 * PLCP header is 6 bytes.
7584 * 802.11 A3 header is 24 bytes.
7585 * Max beacon frame body template length is 112 bytes.
7586 * Max probe resp frame body template length is 110 bytes.
7588 * *len on input contains the max length of the packet available.
7590 * The *len value is set to the number of bytes in buf used, and starts with the PLCP
7591 * and included up to, but not including, the 4 byte FCS.
7594 wlc_bcn_prb_template(wlc_info_t
*wlc
, uint type
, ratespec_t bcn_rspec
,
7595 wlc_bsscfg_t
*cfg
, u16
*buf
, int *len
)
7597 cck_phy_hdr_t
*plcp
;
7598 struct dot11_management_header
*h
;
7599 int hdr_len
, body_len
;
7601 ASSERT(*len
>= 142);
7602 ASSERT(type
== FC_BEACON
|| type
== FC_PROBE_RESP
);
7604 if (MBSS_BCN_ENAB(cfg
) && type
== FC_BEACON
)
7605 hdr_len
= DOT11_MAC_HDR_LEN
;
7607 hdr_len
= D11_PHY_HDR_LEN
+ DOT11_MAC_HDR_LEN
;
7608 body_len
= *len
- hdr_len
; /* calc buffer size provided for frame body */
7610 *len
= hdr_len
+ body_len
; /* return actual size */
7612 /* format PHY and MAC headers */
7613 memset((char *)buf
, 0, hdr_len
);
7615 plcp
= (cck_phy_hdr_t
*) buf
;
7617 /* PLCP for Probe Response frames are filled in from core's rate table */
7618 if (type
== FC_BEACON
&& !MBSS_BCN_ENAB(cfg
)) {
7620 wlc_compute_plcp(wlc
, bcn_rspec
,
7621 (DOT11_MAC_HDR_LEN
+ body_len
+ DOT11_FCS_LEN
),
7625 /* "Regular" and 16 MBSS but not for 4 MBSS */
7626 /* Update the phytxctl for the beacon based on the rspec */
7627 if (!SOFTBCN_ENAB(cfg
))
7628 wlc_beacon_phytxctl_txant_upd(wlc
, bcn_rspec
);
7630 if (MBSS_BCN_ENAB(cfg
) && type
== FC_BEACON
)
7631 h
= (struct dot11_management_header
*)&plcp
[0];
7633 h
= (struct dot11_management_header
*)&plcp
[1];
7635 /* fill in 802.11 header */
7636 h
->fc
= htol16((u16
) type
);
7638 /* DUR is 0 for multicast bcn, or filled in by MAC for prb resp */
7639 /* A1 filled in by MAC for prb resp, broadcast for bcn */
7640 if (type
== FC_BEACON
)
7641 bcopy((const char *)ðer_bcast
, (char *)&h
->da
,
7643 bcopy((char *)&cfg
->cur_etheraddr
, (char *)&h
->sa
, ETHER_ADDR_LEN
);
7644 bcopy((char *)&cfg
->BSSID
, (char *)&h
->bssid
, ETHER_ADDR_LEN
);
7646 /* SEQ filled in by MAC */
7651 int wlc_get_header_len()
7656 /* Update a beacon for a particular BSS
7657 * For MBSS, this updates the software template and sets "latest" to the index of the
7659 * Otherwise, it updates the hardware template.
7661 void wlc_bss_update_beacon(wlc_info_t
*wlc
, wlc_bsscfg_t
*cfg
)
7663 int len
= BCN_TMPL_LEN
;
7665 /* Clear the soft intmask */
7666 wlc
->defmacintmask
&= ~MI_BCNTPL
;
7668 if (!cfg
->up
) { /* Only allow updates on an UP bss */
7672 if (MBSS_BCN_ENAB(cfg
)) { /* Optimize: Some of if/else could be combined */
7673 } else if (HWBCN_ENAB(cfg
)) { /* Hardware beaconing for this config */
7674 u16 bcn
[BCN_TMPL_LEN
/ 2];
7675 u32 both_valid
= MCMD_BCN0VLD
| MCMD_BCN1VLD
;
7676 d11regs_t
*regs
= wlc
->regs
;
7677 struct osl_info
*osh
= NULL
;
7681 /* Check if both templates are in use, if so sched. an interrupt
7682 * that will call back into this routine
7684 if ((R_REG(osh
, ®s
->maccommand
) & both_valid
) == both_valid
) {
7685 /* clear any previous status */
7686 W_REG(osh
, ®s
->macintstatus
, MI_BCNTPL
);
7688 /* Check that after scheduling the interrupt both of the
7689 * templates are still busy. if not clear the int. & remask
7691 if ((R_REG(osh
, ®s
->maccommand
) & both_valid
) == both_valid
) {
7692 wlc
->defmacintmask
|= MI_BCNTPL
;
7697 wlc_lowest_basic_rspec(wlc
, &cfg
->current_bss
->rateset
);
7698 ASSERT(wlc_valid_rate
7699 (wlc
, wlc
->bcn_rspec
,
7700 CHSPEC_IS2G(cfg
->current_bss
->
7701 chanspec
) ? WLC_BAND_2G
: WLC_BAND_5G
,
7704 /* update the template and ucode shm */
7705 wlc_bcn_prb_template(wlc
, FC_BEACON
, wlc
->bcn_rspec
, cfg
, bcn
,
7707 wlc_write_hw_bcntemplates(wlc
, bcn
, len
, false);
7712 * Update all beacons for the system.
7714 void wlc_update_beacon(wlc_info_t
*wlc
)
7717 wlc_bsscfg_t
*bsscfg
;
7719 /* update AP or IBSS beacons */
7720 FOREACH_BSS(wlc
, idx
, bsscfg
) {
7721 if (bsscfg
->up
&& (BSSCFG_AP(bsscfg
) || !bsscfg
->BSS
))
7722 wlc_bss_update_beacon(wlc
, bsscfg
);
7726 /* Write ssid into shared memory */
7727 void wlc_shm_ssid_upd(wlc_info_t
*wlc
, wlc_bsscfg_t
*cfg
)
7729 u8
*ssidptr
= cfg
->SSID
;
7731 u8 ssidbuf
[DOT11_MAX_SSID_LEN
];
7733 /* padding the ssid with zero and copy it into shm */
7734 memset(ssidbuf
, 0, DOT11_MAX_SSID_LEN
);
7735 bcopy(ssidptr
, ssidbuf
, cfg
->SSID_len
);
7737 wlc_copyto_shm(wlc
, base
, ssidbuf
, DOT11_MAX_SSID_LEN
);
7739 if (!MBSS_BCN_ENAB(cfg
))
7740 wlc_write_shm(wlc
, M_SSIDLEN
, (u16
) cfg
->SSID_len
);
7743 void wlc_update_probe_resp(wlc_info_t
*wlc
, bool suspend
)
7746 wlc_bsscfg_t
*bsscfg
;
7748 /* update AP or IBSS probe responses */
7749 FOREACH_BSS(wlc
, idx
, bsscfg
) {
7750 if (bsscfg
->up
&& (BSSCFG_AP(bsscfg
) || !bsscfg
->BSS
))
7751 wlc_bss_update_probe_resp(wlc
, bsscfg
, suspend
);
7756 wlc_bss_update_probe_resp(wlc_info_t
*wlc
, wlc_bsscfg_t
*cfg
, bool suspend
)
7758 u16 prb_resp
[BCN_TMPL_LEN
/ 2];
7759 int len
= BCN_TMPL_LEN
;
7761 /* write the probe response to hardware, or save in the config structure */
7762 if (!MBSS_PRB_ENAB(cfg
)) {
7764 /* create the probe response template */
7765 wlc_bcn_prb_template(wlc
, FC_PROBE_RESP
, 0, cfg
, prb_resp
,
7769 wlc_suspend_mac_and_wait(wlc
);
7771 /* write the probe response into the template region */
7772 wlc_bmac_write_template_ram(wlc
->hw
, T_PRS_TPL_BASE
,
7773 (len
+ 3) & ~3, prb_resp
);
7775 /* write the length of the probe response frame (+PLCP/-FCS) */
7776 wlc_write_shm(wlc
, M_PRB_RESP_FRM_LEN
, (u16
) len
);
7778 /* write the SSID and SSID length */
7779 wlc_shm_ssid_upd(wlc
, cfg
);
7782 * Write PLCP headers and durations for probe response frames at all rates.
7783 * Use the actual frame length covered by the PLCP header for the call to
7784 * wlc_mod_prb_rsp_rate_table() by subtracting the PLCP len and adding the FCS.
7786 len
+= (-D11_PHY_HDR_LEN
+ DOT11_FCS_LEN
);
7787 wlc_mod_prb_rsp_rate_table(wlc
, (u16
) len
);
7790 wlc_enable_mac(wlc
);
7791 } else { /* Generating probe resp in sw; update local template */
7792 ASSERT(0 && "No software probe response support without MBSS");
7796 /* prepares pdu for transmission. returns BCM error codes */
7797 int wlc_prep_pdu(wlc_info_t
*wlc
, struct sk_buff
*pdu
, uint
*fifop
)
7799 struct osl_info
*osh
;
7802 struct dot11_header
*h
;
7809 txh
= (d11txh_t
*) (pdu
->data
);
7811 h
= (struct dot11_header
*)((u8
*) (txh
+ 1) + D11_PHY_HDR_LEN
);
7815 /* get the pkt queue info. This was put at wlc_sendctl or wlc_send for PDU */
7816 fifo
= ltoh16(txh
->TxFrameID
) & TXFID_QUEUE_MASK
;
7822 /* return if insufficient dma resources */
7823 if (TXAVAIL(wlc
, fifo
) < MAX_DMA_SEGS
) {
7824 /* Mark precedences related to this FIFO, unsendable */
7825 WLC_TX_FIFO_CLEAR(wlc
, fifo
);
7829 if (FC_TYPE(ltoh16(txh
->MacFrameControl
)) != FC_TYPE_DATA
)
7830 WLCNTINCR(wlc
->pub
->_cnt
->txctl
);
7835 /* init tx reported rate mechanism */
7836 void wlc_reprate_init(wlc_info_t
*wlc
)
7839 wlc_bsscfg_t
*bsscfg
;
7841 FOREACH_BSS(wlc
, i
, bsscfg
) {
7842 wlc_bsscfg_reprate_init(bsscfg
);
7846 /* per bsscfg init tx reported rate mechanism */
7847 void wlc_bsscfg_reprate_init(wlc_bsscfg_t
*bsscfg
)
7849 bsscfg
->txrspecidx
= 0;
7850 memset((char *)bsscfg
->txrspec
, 0, sizeof(bsscfg
->txrspec
));
7853 /* Retrieve a consolidated set of revision information,
7854 * typically for the WLC_GET_REVINFO ioctl
7856 int wlc_get_revision_info(wlc_info_t
*wlc
, void *buf
, uint len
)
7858 wlc_rev_info_t
*rinfo
= (wlc_rev_info_t
*) buf
;
7860 if (len
< WL_REV_INFO_LEGACY_LENGTH
)
7861 return BCME_BUFTOOSHORT
;
7863 rinfo
->vendorid
= wlc
->vendorid
;
7864 rinfo
->deviceid
= wlc
->deviceid
;
7865 rinfo
->radiorev
= (wlc
->band
->radiorev
<< IDCODE_REV_SHIFT
) |
7866 (wlc
->band
->radioid
<< IDCODE_ID_SHIFT
);
7867 rinfo
->chiprev
= wlc
->pub
->sih
->chiprev
;
7868 rinfo
->corerev
= wlc
->pub
->corerev
;
7869 rinfo
->boardid
= wlc
->pub
->sih
->boardtype
;
7870 rinfo
->boardvendor
= wlc
->pub
->sih
->boardvendor
;
7871 rinfo
->boardrev
= wlc
->pub
->boardrev
;
7872 rinfo
->ucoderev
= wlc
->ucode_rev
;
7873 rinfo
->driverrev
= EPI_VERSION_NUM
;
7874 rinfo
->bus
= wlc
->pub
->sih
->bustype
;
7875 rinfo
->chipnum
= wlc
->pub
->sih
->chip
;
7877 if (len
>= (offsetof(wlc_rev_info_t
, chippkg
))) {
7878 rinfo
->phytype
= wlc
->band
->phytype
;
7879 rinfo
->phyrev
= wlc
->band
->phyrev
;
7880 rinfo
->anarev
= 0; /* obsolete stuff, suppress */
7883 if (len
>= sizeof(*rinfo
)) {
7884 rinfo
->chippkg
= wlc
->pub
->sih
->chippkg
;
7890 void wlc_default_rateset(wlc_info_t
*wlc
, wlc_rateset_t
*rs
)
7892 wlc_rateset_default(rs
, NULL
, wlc
->band
->phytype
, wlc
->band
->bandtype
,
7893 false, RATE_MASK_FULL
, (bool) N_ENAB(wlc
->pub
),
7894 CHSPEC_WLC_BW(wlc
->default_bss
->chanspec
),
7895 wlc
->stf
->txstreams
);
7898 static void wlc_bss_default_init(wlc_info_t
*wlc
)
7900 chanspec_t chanspec
;
7902 wlc_bss_info_t
*bi
= wlc
->default_bss
;
7904 /* init default and target BSS with some sane initial values */
7905 memset((char *)(bi
), 0, sizeof(wlc_bss_info_t
));
7906 bi
->beacon_period
= ISSIM_ENAB(wlc
->pub
->sih
) ? BEACON_INTERVAL_DEF_QT
:
7907 BEACON_INTERVAL_DEFAULT
;
7908 bi
->dtim_period
= ISSIM_ENAB(wlc
->pub
->sih
) ? DTIM_INTERVAL_DEF_QT
:
7909 DTIM_INTERVAL_DEFAULT
;
7911 /* fill the default channel as the first valid channel
7912 * starting from the 2G channels
7914 chanspec
= CH20MHZ_CHSPEC(1);
7915 ASSERT(chanspec
!= INVCHANSPEC
);
7917 wlc
->home_chanspec
= bi
->chanspec
= chanspec
;
7919 /* find the band of our default channel */
7921 if (NBANDS(wlc
) > 1 && band
->bandunit
!= CHSPEC_WLCBANDUNIT(chanspec
))
7922 band
= wlc
->bandstate
[OTHERBANDUNIT(wlc
)];
7924 /* init bss rates to the band specific default rate set */
7925 wlc_rateset_default(&bi
->rateset
, NULL
, band
->phytype
, band
->bandtype
,
7926 false, RATE_MASK_FULL
, (bool) N_ENAB(wlc
->pub
),
7927 CHSPEC_WLC_BW(chanspec
), wlc
->stf
->txstreams
);
7929 if (N_ENAB(wlc
->pub
))
7930 bi
->flags
|= WLC_BSS_HT
;
7933 /* Deferred event processing */
7934 static void wlc_process_eventq(void *arg
)
7936 wlc_info_t
*wlc
= (wlc_info_t
*) arg
;
7939 while ((etmp
= wlc_eventq_deq(wlc
->eventq
))) {
7940 /* Perform OS specific event processing */
7941 wl_event(wlc
->wl
, etmp
->event
.ifname
, etmp
);
7946 wlc_event_free(wlc
->eventq
, etmp
);
7951 wlc_uint64_sub(u32
*a_high
, u32
*a_low
, u32 b_high
, u32 b_low
)
7953 if (b_low
> *a_low
) {
7954 /* low half needs a carry */
7962 mac80211_wlc_set_nrate(wlc_info_t
*wlc
, wlcband_t
*cur_band
, u32 int_val
)
7964 u8 stf
= (int_val
& NRATE_STF_MASK
) >> NRATE_STF_SHIFT
;
7965 u8 rate
= int_val
& NRATE_RATE_MASK
;
7967 bool ismcs
= ((int_val
& NRATE_MCS_INUSE
) == NRATE_MCS_INUSE
);
7968 bool issgi
= ((int_val
& NRATE_SGI_MASK
) >> NRATE_SGI_SHIFT
);
7969 bool override_mcs_only
= ((int_val
& NRATE_OVERRIDE_MCS_ONLY
)
7970 == NRATE_OVERRIDE_MCS_ONLY
);
7974 return (ratespec_t
) rate
;
7977 /* validate the combination of rate/mcs/stf is allowed */
7978 if (N_ENAB(wlc
->pub
) && ismcs
) {
7979 /* mcs only allowed when nmode */
7980 if (stf
> PHY_TXC1_MODE_SDM
) {
7981 WL_ERROR(("wl%d: %s: Invalid stf\n", WLCWLUNIT(wlc
),
7983 bcmerror
= BCME_RANGE
;
7987 /* mcs 32 is a special case, DUP mode 40 only */
7989 if (!CHSPEC_IS40(wlc
->home_chanspec
) ||
7990 ((stf
!= PHY_TXC1_MODE_SISO
)
7991 && (stf
!= PHY_TXC1_MODE_CDD
))) {
7992 WL_ERROR(("wl%d: %s: Invalid mcs 32\n",
7993 WLCWLUNIT(wlc
), __func__
));
7994 bcmerror
= BCME_RANGE
;
7997 /* mcs > 7 must use stf SDM */
7998 } else if (rate
> HIGHEST_SINGLE_STREAM_MCS
) {
7999 /* mcs > 7 must use stf SDM */
8000 if (stf
!= PHY_TXC1_MODE_SDM
) {
8001 WL_TRACE(("wl%d: %s: enabling SDM mode for mcs %d\n", WLCWLUNIT(wlc
), __func__
, rate
));
8002 stf
= PHY_TXC1_MODE_SDM
;
8005 /* MCS 0-7 may use SISO, CDD, and for phy_rev >= 3 STBC */
8006 if ((stf
> PHY_TXC1_MODE_STBC
) ||
8007 (!WLC_STBC_CAP_PHY(wlc
)
8008 && (stf
== PHY_TXC1_MODE_STBC
))) {
8009 WL_ERROR(("wl%d: %s: Invalid STBC\n",
8010 WLCWLUNIT(wlc
), __func__
));
8011 bcmerror
= BCME_RANGE
;
8015 } else if (IS_OFDM(rate
)) {
8016 if ((stf
!= PHY_TXC1_MODE_CDD
) && (stf
!= PHY_TXC1_MODE_SISO
)) {
8017 WL_ERROR(("wl%d: %s: Invalid OFDM\n", WLCWLUNIT(wlc
),
8019 bcmerror
= BCME_RANGE
;
8022 } else if (IS_CCK(rate
)) {
8023 if ((cur_band
->bandtype
!= WLC_BAND_2G
)
8024 || (stf
!= PHY_TXC1_MODE_SISO
)) {
8025 WL_ERROR(("wl%d: %s: Invalid CCK\n", WLCWLUNIT(wlc
),
8027 bcmerror
= BCME_RANGE
;
8031 WL_ERROR(("wl%d: %s: Unknown rate type\n", WLCWLUNIT(wlc
),
8033 bcmerror
= BCME_RANGE
;
8036 /* make sure multiple antennae are available for non-siso rates */
8037 if ((stf
!= PHY_TXC1_MODE_SISO
) && (wlc
->stf
->txstreams
== 1)) {
8038 WL_ERROR(("wl%d: %s: SISO antenna but !SISO request\n",
8039 WLCWLUNIT(wlc
), __func__
));
8040 bcmerror
= BCME_RANGE
;
8046 rspec
|= RSPEC_MIMORATE
;
8047 /* For STBC populate the STC field of the ratespec */
8048 if (stf
== PHY_TXC1_MODE_STBC
) {
8050 stc
= 1; /* Nss for single stream is always 1 */
8051 rspec
|= (stc
<< RSPEC_STC_SHIFT
);
8055 rspec
|= (stf
<< RSPEC_STF_SHIFT
);
8057 if (override_mcs_only
)
8058 rspec
|= RSPEC_OVERRIDE_MCS_ONLY
;
8061 rspec
|= RSPEC_SHORT_GI
;
8064 && !wlc_valid_rate(wlc
, rspec
, cur_band
->bandtype
, true)) {
8070 WL_ERROR(("Hoark\n"));
8074 /* formula: IDLE_BUSY_RATIO_X_16 = (100-duty_cycle)/duty_cycle*16 */
8076 wlc_duty_cycle_set(wlc_info_t
*wlc
, int duty_cycle
, bool isOFDM
,
8079 int idle_busy_ratio_x_16
= 0;
8081 isOFDM
? M_TX_IDLE_BUSY_RATIO_X_16_OFDM
:
8082 M_TX_IDLE_BUSY_RATIO_X_16_CCK
;
8083 if (duty_cycle
> 100 || duty_cycle
< 0) {
8084 WL_ERROR(("wl%d: duty cycle value off limit\n",
8089 idle_busy_ratio_x_16
= (100 - duty_cycle
) * 16 / duty_cycle
;
8090 /* Only write to shared memory when wl is up */
8092 wlc_write_shm(wlc
, offset
, (u16
) idle_busy_ratio_x_16
);
8095 wlc
->tx_duty_cycle_ofdm
= (u16
) duty_cycle
;
8097 wlc
->tx_duty_cycle_cck
= (u16
) duty_cycle
;
8102 /* Read a single u16 from shared memory.
8103 * SHM 'offset' needs to be an even address
8105 u16
wlc_read_shm(wlc_info_t
*wlc
, uint offset
)
8107 return wlc_bmac_read_shm(wlc
->hw
, offset
);
8110 /* Write a single u16 to shared memory.
8111 * SHM 'offset' needs to be an even address
8113 void wlc_write_shm(wlc_info_t
*wlc
, uint offset
, u16 v
)
8115 wlc_bmac_write_shm(wlc
->hw
, offset
, v
);
8118 /* Set a range of shared memory to a value.
8119 * SHM 'offset' needs to be an even address and
8120 * Range length 'len' must be an even number of bytes
8122 void wlc_set_shm(wlc_info_t
*wlc
, uint offset
, u16 v
, int len
)
8124 /* offset and len need to be even */
8125 ASSERT((offset
& 1) == 0);
8126 ASSERT((len
& 1) == 0);
8131 wlc_bmac_set_shm(wlc
->hw
, offset
, v
, len
);
8134 /* Copy a buffer to shared memory.
8135 * SHM 'offset' needs to be an even address and
8136 * Buffer length 'len' must be an even number of bytes
8138 void wlc_copyto_shm(wlc_info_t
*wlc
, uint offset
, const void *buf
, int len
)
8140 /* offset and len need to be even */
8141 ASSERT((offset
& 1) == 0);
8142 ASSERT((len
& 1) == 0);
8146 wlc_bmac_copyto_objmem(wlc
->hw
, offset
, buf
, len
, OBJADDR_SHM_SEL
);
8150 /* Copy from shared memory to a buffer.
8151 * SHM 'offset' needs to be an even address and
8152 * Buffer length 'len' must be an even number of bytes
8154 void wlc_copyfrom_shm(wlc_info_t
*wlc
, uint offset
, void *buf
, int len
)
8156 /* offset and len need to be even */
8157 ASSERT((offset
& 1) == 0);
8158 ASSERT((len
& 1) == 0);
8163 wlc_bmac_copyfrom_objmem(wlc
->hw
, offset
, buf
, len
, OBJADDR_SHM_SEL
);
8166 /* wrapper BMAC functions to for HIGH driver access */
8167 void wlc_mctrl(wlc_info_t
*wlc
, u32 mask
, u32 val
)
8169 wlc_bmac_mctrl(wlc
->hw
, mask
, val
);
8172 void wlc_corereset(wlc_info_t
*wlc
, u32 flags
)
8174 wlc_bmac_corereset(wlc
->hw
, flags
);
8177 void wlc_mhf(wlc_info_t
*wlc
, u8 idx
, u16 mask
, u16 val
, int bands
)
8179 wlc_bmac_mhf(wlc
->hw
, idx
, mask
, val
, bands
);
8182 u16
wlc_mhf_get(wlc_info_t
*wlc
, u8 idx
, int bands
)
8184 return wlc_bmac_mhf_get(wlc
->hw
, idx
, bands
);
8187 int wlc_xmtfifo_sz_get(wlc_info_t
*wlc
, uint fifo
, uint
*blocks
)
8189 return wlc_bmac_xmtfifo_sz_get(wlc
->hw
, fifo
, blocks
);
8192 void wlc_write_template_ram(wlc_info_t
*wlc
, int offset
, int len
, void *buf
)
8194 wlc_bmac_write_template_ram(wlc
->hw
, offset
, len
, buf
);
8197 void wlc_write_hw_bcntemplates(wlc_info_t
*wlc
, void *bcn
, int len
, bool both
)
8199 wlc_bmac_write_hw_bcntemplates(wlc
->hw
, bcn
, len
, both
);
8203 wlc_set_addrmatch(wlc_info_t
*wlc
, int match_reg_offset
,
8204 const struct ether_addr
*addr
)
8206 wlc_bmac_set_addrmatch(wlc
->hw
, match_reg_offset
, addr
);
8209 void wlc_set_rcmta(wlc_info_t
*wlc
, int idx
, const struct ether_addr
*addr
)
8211 wlc_bmac_set_rcmta(wlc
->hw
, idx
, addr
);
8214 void wlc_read_tsf(wlc_info_t
*wlc
, u32
*tsf_l_ptr
, u32
*tsf_h_ptr
)
8216 wlc_bmac_read_tsf(wlc
->hw
, tsf_l_ptr
, tsf_h_ptr
);
8219 void wlc_set_cwmin(wlc_info_t
*wlc
, u16 newmin
)
8221 wlc
->band
->CWmin
= newmin
;
8222 wlc_bmac_set_cwmin(wlc
->hw
, newmin
);
8225 void wlc_set_cwmax(wlc_info_t
*wlc
, u16 newmax
)
8227 wlc
->band
->CWmax
= newmax
;
8228 wlc_bmac_set_cwmax(wlc
->hw
, newmax
);
8231 void wlc_fifoerrors(wlc_info_t
*wlc
)
8234 wlc_bmac_fifoerrors(wlc
->hw
);
8237 /* Search mem rw utilities */
8239 void wlc_pllreq(wlc_info_t
*wlc
, bool set
, mbool req_bit
)
8241 wlc_bmac_pllreq(wlc
->hw
, set
, req_bit
);
8244 void wlc_reset_bmac_done(wlc_info_t
*wlc
)
8248 void wlc_ht_mimops_cap_update(wlc_info_t
*wlc
, u8 mimops_mode
)
8250 wlc
->ht_cap
.cap
&= ~HT_CAP_MIMO_PS_MASK
;
8251 wlc
->ht_cap
.cap
|= (mimops_mode
<< HT_CAP_MIMO_PS_SHIFT
);
8253 if (AP_ENAB(wlc
->pub
) && wlc
->clk
) {
8254 wlc_update_beacon(wlc
);
8255 wlc_update_probe_resp(wlc
, true);
8259 /* check for the particular priority flow control bit being set */
8261 wlc_txflowcontrol_prio_isset(wlc_info_t
*wlc
, wlc_txq_info_t
*q
, int prio
)
8265 if (prio
== ALLPRIO
) {
8266 prio_mask
= TXQ_STOP_FOR_PRIOFC_MASK
;
8268 ASSERT(prio
>= 0 && prio
<= MAXPRIO
);
8269 prio_mask
= NBITVAL(prio
);
8272 return (q
->stopped
& prio_mask
) == prio_mask
;
8275 /* propogate the flow control to all interfaces using the given tx queue */
8276 void wlc_txflowcontrol(wlc_info_t
*wlc
, wlc_txq_info_t
*qi
, bool on
, int prio
)
8281 WL_ERROR(("%s: flow contro kicks in\n", __func__
));
8283 if (prio
== ALLPRIO
) {
8284 prio_bits
= TXQ_STOP_FOR_PRIOFC_MASK
;
8286 ASSERT(prio
>= 0 && prio
<= MAXPRIO
);
8287 prio_bits
= NBITVAL(prio
);
8290 cur_bits
= qi
->stopped
& prio_bits
;
8292 /* Check for the case of no change and return early
8293 * Otherwise update the bit and continue
8296 if (cur_bits
== prio_bits
) {
8299 mboolset(qi
->stopped
, prio_bits
);
8301 if (cur_bits
== 0) {
8304 mboolclr(qi
->stopped
, prio_bits
);
8307 /* If there is a flow control override we will not change the external
8308 * flow control state.
8310 if (qi
->stopped
& ~TXQ_STOP_FOR_PRIOFC_MASK
) {
8314 wlc_txflowcontrol_signal(wlc
, qi
, on
, prio
);
8318 wlc_txflowcontrol_override(wlc_info_t
*wlc
, wlc_txq_info_t
*qi
, bool on
,
8323 ASSERT(override
!= 0);
8324 ASSERT((override
& TXQ_STOP_FOR_PRIOFC_MASK
) == 0);
8326 prev_override
= (qi
->stopped
& ~TXQ_STOP_FOR_PRIOFC_MASK
);
8328 /* Update the flow control bits and do an early return if there is
8329 * no change in the external flow control state.
8332 mboolset(qi
->stopped
, override
);
8333 /* if there was a previous override bit on, then setting this
8334 * makes no difference.
8336 if (prev_override
) {
8340 wlc_txflowcontrol_signal(wlc
, qi
, ON
, ALLPRIO
);
8342 mboolclr(qi
->stopped
, override
);
8343 /* clearing an override bit will only make a difference for
8344 * flow control if it was the only bit set. For any other
8345 * override setting, just return
8347 if (prev_override
!= override
) {
8351 if (qi
->stopped
== 0) {
8352 wlc_txflowcontrol_signal(wlc
, qi
, OFF
, ALLPRIO
);
8356 for (prio
= MAXPRIO
; prio
>= 0; prio
--) {
8357 if (!mboolisset(qi
->stopped
, NBITVAL(prio
)))
8358 wlc_txflowcontrol_signal(wlc
, qi
, OFF
,
8365 static void wlc_txflowcontrol_reset(wlc_info_t
*wlc
)
8369 for (qi
= wlc
->tx_queues
; qi
!= NULL
; qi
= qi
->next
) {
8371 wlc_txflowcontrol_signal(wlc
, qi
, OFF
, ALLPRIO
);
8378 wlc_txflowcontrol_signal(wlc_info_t
*wlc
, wlc_txq_info_t
*qi
, bool on
,
8383 for (wlcif
= wlc
->wlcif_list
; wlcif
!= NULL
; wlcif
= wlcif
->next
) {
8384 if (wlcif
->qi
== qi
&& wlcif
->flags
& WLC_IF_LINKED
)
8385 wl_txflowcontrol(wlc
->wl
, wlcif
->wlif
, on
, prio
);
8389 static wlc_txq_info_t
*wlc_txq_alloc(wlc_info_t
*wlc
, struct osl_info
*osh
)
8391 wlc_txq_info_t
*qi
, *p
;
8393 qi
= (wlc_txq_info_t
*) wlc_calloc(osh
, wlc
->pub
->unit
,
8394 sizeof(wlc_txq_info_t
));
8399 /* Have enough room for control packets along with HI watermark */
8400 /* Also, add room to txq for total psq packets if all the SCBs leave PS mode */
8401 /* The watermark for flowcontrol to OS packets will remain the same */
8402 pktq_init(&qi
->q
, WLC_PREC_COUNT
,
8403 (2 * wlc
->pub
->tunables
->datahiwat
) + PKTQ_LEN_DEFAULT
+
8404 wlc
->pub
->psq_pkts_total
);
8406 /* add this queue to the the global list */
8409 wlc
->tx_queues
= qi
;
8411 while (p
->next
!= NULL
)
8419 static void wlc_txq_free(wlc_info_t
*wlc
, struct osl_info
*osh
,
8427 /* remove the queue from the linked list */
8430 wlc
->tx_queues
= p
->next
;
8432 while (p
!= NULL
&& p
->next
!= qi
)
8434 ASSERT(p
->next
== qi
);
8436 p
->next
= p
->next
->next
;