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a9533e7e HP |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
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. | |
7 | * | |
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. | |
15 | */ | |
3327989a | 16 | #include <linux/kernel.h> |
a1c16ed2 | 17 | #include <linux/ctype.h> |
a9533e7e | 18 | #include <bcmdefs.h> |
a52ba66c | 19 | #include <bcmdevs.h> |
a1c16ed2 | 20 | #include <wlc_cfg.h> |
a9533e7e HP |
21 | #include <osl.h> |
22 | #include <bcmutils.h> | |
23 | #include <bcmwifi.h> | |
24 | #include <siutils.h> | |
25 | #include <bcmendian.h> | |
a9533e7e | 26 | #include <proto/wpa.h> |
a9533e7e HP |
27 | #include <pcicfg.h> |
28 | #include <bcmsrom.h> | |
29 | #include <wlioctl.h> | |
a52ba66c | 30 | #include <sbhndpio.h> |
a9533e7e HP |
31 | #include <sbhnddma.h> |
32 | #include <hnddma.h> | |
33 | #include <hndpmu.h> | |
34 | #include <d11.h> | |
35 | #include <wlc_rate.h> | |
36 | #include <wlc_pub.h> | |
37 | #include <wlc_key.h> | |
38 | #include <wlc_bsscfg.h> | |
39 | #include <wlc_channel.h> | |
40 | #include <wlc_mac80211.h> | |
41 | #include <wlc_bmac.h> | |
42 | #include <wlc_scb.h> | |
43 | #include <wlc_phy_hal.h> | |
44 | #include <wlc_phy_shim.h> | |
45 | #include <wlc_antsel.h> | |
46 | #include <wlc_stf.h> | |
47 | #include <wlc_ampdu.h> | |
48 | #include <wlc_event.h> | |
49 | #include <wl_export.h> | |
50 | #ifdef BCMSDIO | |
51 | #include <bcmsdh.h> | |
52 | #else | |
53 | #include "d11ucode_ext.h" | |
54 | #endif | |
55 | #ifdef WLC_HIGH_ONLY | |
56 | #include <bcm_rpc_tp.h> | |
57 | #include <bcm_rpc.h> | |
58 | #include <bcm_xdr.h> | |
59 | #include <wlc_rpc.h> | |
60 | #include <wlc_rpctx.h> | |
61 | #endif /* WLC_HIGH_ONLY */ | |
62 | #include <wlc_alloc.h> | |
63 | #include <net/mac80211.h> | |
64 | ||
65 | #ifdef WLC_HIGH_ONLY | |
66 | #undef R_REG | |
67 | #undef W_REG | |
68 | #define R_REG(osh, r) RPC_READ_REG(osh, r) | |
69 | #define W_REG(osh, r, v) RPC_WRITE_REG(osh, r, v) | |
70 | #endif | |
71 | ||
72 | /* | |
73 | * buffer length needed for wlc_format_ssid | |
74 | * 32 SSID chars, max of 4 chars for each SSID char "\xFF", plus NULL. | |
75 | */ | |
76 | #define SSID_FMT_BUF_LEN ((4 * DOT11_MAX_SSID_LEN) + 1) | |
77 | ||
78 | #define TIMER_INTERVAL_WATCHDOG 1000 /* watchdog timer, in unit of ms */ | |
79 | #define TIMER_INTERVAL_RADIOCHK 800 /* radio monitor timer, in unit of ms */ | |
80 | ||
81 | #ifndef WLC_MPC_MAX_DELAYCNT | |
82 | #define WLC_MPC_MAX_DELAYCNT 10 /* Max MPC timeout, in unit of watchdog */ | |
83 | #endif | |
84 | #define WLC_MPC_MIN_DELAYCNT 1 /* Min MPC timeout, in unit of watchdog */ | |
85 | #define WLC_MPC_THRESHOLD 3 /* MPC count threshold level */ | |
86 | ||
87 | #define BEACON_INTERVAL_DEFAULT 100 /* beacon interval, in unit of 1024TU */ | |
88 | #define DTIM_INTERVAL_DEFAULT 3 /* DTIM interval, in unit of beacon interval */ | |
89 | ||
90 | /* Scale down delays to accommodate QT slow speed */ | |
91 | #define BEACON_INTERVAL_DEF_QT 20 /* beacon interval, in unit of 1024TU */ | |
92 | #define DTIM_INTERVAL_DEF_QT 1 /* DTIM interval, in unit of beacon interval */ | |
93 | ||
94 | #define TBTT_ALIGN_LEEWAY_US 100 /* min leeway before first TBTT in us */ | |
95 | ||
96 | /* | |
97 | * driver maintains internal 'tick'(wlc->pub->now) which increments in 1s OS timer(soft | |
98 | * watchdog) it is not a wall clock and won't increment when driver is in "down" state | |
99 | * this low resolution driver tick can be used for maintenance tasks such as phy | |
100 | * calibration and scb update | |
101 | */ | |
102 | ||
103 | /* watchdog trigger mode: OSL timer or TBTT */ | |
104 | #define WLC_WATCHDOG_TBTT(wlc) \ | |
105 | (wlc->stas_associated > 0 && wlc->PM != PM_OFF && wlc->pub->align_wd_tbtt) | |
106 | ||
107 | /* To inform the ucode of the last mcast frame posted so that it can clear moredata bit */ | |
108 | #define BCMCFID(wlc, fid) wlc_bmac_write_shm((wlc)->hw, M_BCMC_FID, (fid)) | |
109 | ||
110 | #ifndef WLC_HIGH_ONLY | |
111 | #define WLC_WAR16165(wlc) (BUSTYPE(wlc->pub->sih->bustype) == PCI_BUS && \ | |
112 | (!AP_ENAB(wlc->pub)) && (wlc->war16165)) | |
113 | #else | |
0965ae88 | 114 | #define WLC_WAR16165(wlc) (false) |
a9533e7e HP |
115 | #endif /* WLC_HIGH_ONLY */ |
116 | ||
117 | /* debug/trace */ | |
118 | uint wl_msg_level = | |
119 | #if defined(BCMDBG) | |
120 | WL_ERROR_VAL; | |
121 | #else | |
122 | 0; | |
123 | #endif /* BCMDBG */ | |
124 | ||
125 | /* Find basic rate for a given rate */ | |
126 | #define WLC_BASIC_RATE(wlc, rspec) (IS_MCS(rspec) ? \ | |
127 | (wlc)->band->basic_rate[mcs_table[rspec & RSPEC_RATE_MASK].leg_ofdm] : \ | |
128 | (wlc)->band->basic_rate[rspec & RSPEC_RATE_MASK]) | |
129 | ||
130 | #define FRAMETYPE(r, mimoframe) (IS_MCS(r) ? mimoframe : (IS_CCK(r) ? FT_CCK : FT_OFDM)) | |
131 | ||
132 | #define RFDISABLE_DEFAULT 10000000 /* rfdisable delay timer 500 ms, runs of ALP clock */ | |
133 | ||
134 | #define WLC_TEMPSENSE_PERIOD 10 /* 10 second timeout */ | |
135 | ||
136 | #define SCAN_IN_PROGRESS(x) 0 | |
137 | ||
4766ae6c BR |
138 | #define EPI_VERSION_NUM 0x054b0b00 |
139 | ||
a9533e7e HP |
140 | #ifdef BCMDBG |
141 | /* pointer to most recently allocated wl/wlc */ | |
142 | static wlc_info_t *wlc_info_dbg = (wlc_info_t *) (NULL); | |
143 | #endif | |
144 | ||
a9533e7e HP |
145 | /* IOVar table */ |
146 | ||
147 | /* Parameter IDs, for use only internally to wlc -- in the wlc_iovars | |
148 | * table and by the wlc_doiovar() function. No ordering is imposed: | |
149 | * the table is keyed by name, and the function uses a switch. | |
150 | */ | |
151 | enum { | |
152 | IOV_MPC = 1, | |
153 | IOV_QTXPOWER, | |
154 | IOV_BCN_LI_BCN, /* Beacon listen interval in # of beacons */ | |
155 | IOV_LAST /* In case of a need to check max ID number */ | |
156 | }; | |
157 | ||
158 | const bcm_iovar_t wlc_iovars[] = { | |
159 | {"mpc", IOV_MPC, (IOVF_OPEN_ALLOW), IOVT_BOOL, 0}, | |
160 | {"qtxpower", IOV_QTXPOWER, (IOVF_WHL | IOVF_OPEN_ALLOW), IOVT_UINT32, | |
161 | 0}, | |
162 | {"bcn_li_bcn", IOV_BCN_LI_BCN, 0, IOVT_UINT8, 0}, | |
163 | {NULL, 0, 0, 0, 0} | |
164 | }; | |
165 | ||
41feb5ed | 166 | const u8 prio2fifo[NUMPRIO] = { |
a9533e7e HP |
167 | TX_AC_BE_FIFO, /* 0 BE AC_BE Best Effort */ |
168 | TX_AC_BK_FIFO, /* 1 BK AC_BK Background */ | |
169 | TX_AC_BK_FIFO, /* 2 -- AC_BK Background */ | |
170 | TX_AC_BE_FIFO, /* 3 EE AC_BE Best Effort */ | |
171 | TX_AC_VI_FIFO, /* 4 CL AC_VI Video */ | |
172 | TX_AC_VI_FIFO, /* 5 VI AC_VI Video */ | |
173 | TX_AC_VO_FIFO, /* 6 VO AC_VO Voice */ | |
174 | TX_AC_VO_FIFO /* 7 NC AC_VO Voice */ | |
175 | }; | |
176 | ||
177 | /* precedences numbers for wlc queues. These are twice as may levels as | |
178 | * 802.1D priorities. | |
179 | * Odd numbers are used for HI priority traffic at same precedence levels | |
180 | * These constants are used ONLY by wlc_prio2prec_map. Do not use them elsewhere. | |
181 | */ | |
182 | #define _WLC_PREC_NONE 0 /* None = - */ | |
183 | #define _WLC_PREC_BK 2 /* BK - Background */ | |
184 | #define _WLC_PREC_BE 4 /* BE - Best-effort */ | |
185 | #define _WLC_PREC_EE 6 /* EE - Excellent-effort */ | |
186 | #define _WLC_PREC_CL 8 /* CL - Controlled Load */ | |
187 | #define _WLC_PREC_VI 10 /* Vi - Video */ | |
188 | #define _WLC_PREC_VO 12 /* Vo - Voice */ | |
189 | #define _WLC_PREC_NC 14 /* NC - Network Control */ | |
190 | ||
191 | /* 802.1D Priority to precedence queue mapping */ | |
41feb5ed | 192 | const u8 wlc_prio2prec_map[] = { |
a9533e7e HP |
193 | _WLC_PREC_BE, /* 0 BE - Best-effort */ |
194 | _WLC_PREC_BK, /* 1 BK - Background */ | |
195 | _WLC_PREC_NONE, /* 2 None = - */ | |
196 | _WLC_PREC_EE, /* 3 EE - Excellent-effort */ | |
197 | _WLC_PREC_CL, /* 4 CL - Controlled Load */ | |
198 | _WLC_PREC_VI, /* 5 Vi - Video */ | |
199 | _WLC_PREC_VO, /* 6 Vo - Voice */ | |
200 | _WLC_PREC_NC, /* 7 NC - Network Control */ | |
201 | }; | |
202 | ||
203 | /* Sanity check for tx_prec_map and fifo synchup | |
204 | * Either there are some packets pending for the fifo, else if fifo is empty then | |
205 | * all the corresponding precmap bits should be set | |
206 | */ | |
207 | #define WLC_TX_FIFO_CHECK(wlc, fifo) (TXPKTPENDGET((wlc), (fifo)) || \ | |
208 | (TXPKTPENDGET((wlc), (fifo)) == 0 && \ | |
209 | ((wlc)->tx_prec_map & (wlc)->fifo2prec_map[(fifo)]) == \ | |
210 | (wlc)->fifo2prec_map[(fifo)])) | |
211 | ||
212 | /* TX FIFO number to WME/802.1E Access Category */ | |
41feb5ed | 213 | const u8 wme_fifo2ac[] = { AC_BK, AC_BE, AC_VI, AC_VO, AC_BE, AC_BE }; |
a9533e7e HP |
214 | |
215 | /* WME/802.1E Access Category to TX FIFO number */ | |
41feb5ed | 216 | static const u8 wme_ac2fifo[] = { 1, 0, 2, 3 }; |
a9533e7e | 217 | |
0965ae88 | 218 | static bool in_send_q = false; |
a9533e7e HP |
219 | |
220 | /* Shared memory location index for various AC params */ | |
221 | #define wme_shmemacindex(ac) wme_ac2fifo[ac] | |
222 | ||
223 | #ifdef BCMDBG | |
e5c4536f JC |
224 | static const char *fifo_names[] = { |
225 | "AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" }; | |
a9533e7e HP |
226 | const char *aci_names[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" }; |
227 | #endif | |
228 | ||
41feb5ed | 229 | static const u8 acbitmap2maxprio[] = { |
a9533e7e HP |
230 | PRIO_8021D_BE, PRIO_8021D_BE, PRIO_8021D_BK, PRIO_8021D_BK, |
231 | PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI, | |
232 | PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, | |
233 | PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO | |
234 | }; | |
235 | ||
236 | /* currently the best mechanism for determining SIFS is the band in use */ | |
237 | #define SIFS(band) ((band)->bandtype == WLC_BAND_5G ? APHY_SIFS_TIME : BPHY_SIFS_TIME); | |
238 | ||
239 | /* value for # replay counters currently supported */ | |
240 | #define WLC_REPLAY_CNTRS_VALUE WPA_CAP_16_REPLAY_CNTRS | |
241 | ||
242 | /* local prototypes */ | |
243 | extern void wlc_txq_enq(void *ctx, struct scb *scb, void *sdu, uint prec); | |
7d4df48e | 244 | static u16 BCMFASTPATH wlc_d11hdrs_mac80211(wlc_info_t *wlc, |
a9533e7e HP |
245 | struct ieee80211_hw *hw, void *p, |
246 | struct scb *scb, uint frag, | |
247 | uint nfrags, uint queue, | |
248 | uint next_frag_len, | |
7cc4a4c0 | 249 | wsec_key_t *key, |
a9533e7e | 250 | ratespec_t rspec_override); |
7cc4a4c0 JC |
251 | bool wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw); |
252 | void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg, bool suspend); | |
253 | static void wlc_bss_default_init(wlc_info_t *wlc); | |
254 | static void wlc_ucode_mac_upd(wlc_info_t *wlc); | |
255 | static ratespec_t mac80211_wlc_set_nrate(wlc_info_t *wlc, wlcband_t *cur_band, | |
66cbd3ab | 256 | u32 int_val); |
7cc4a4c0 | 257 | static void wlc_tx_prec_map_init(wlc_info_t *wlc); |
a9533e7e HP |
258 | static void wlc_watchdog(void *arg); |
259 | static void wlc_watchdog_by_timer(void *arg); | |
7cc4a4c0 | 260 | static int wlc_set_rateset(wlc_info_t *wlc, wlc_rateset_t *rs_arg); |
66cbd3ab | 261 | static int wlc_iovar_rangecheck(wlc_info_t *wlc, u32 val, |
7cc4a4c0 | 262 | const bcm_iovar_t *vi); |
41feb5ed | 263 | static u8 wlc_local_constraint_qdbm(wlc_info_t *wlc); |
a9533e7e | 264 | |
a9533e7e | 265 | /* send and receive */ |
7cc4a4c0 JC |
266 | static wlc_txq_info_t *wlc_txq_alloc(wlc_info_t *wlc, osl_t *osh); |
267 | static void wlc_txq_free(wlc_info_t *wlc, osl_t *osh, wlc_txq_info_t *qi); | |
268 | static void wlc_txflowcontrol_signal(wlc_info_t *wlc, wlc_txq_info_t *qi, | |
a9533e7e | 269 | bool on, int prio); |
7cc4a4c0 | 270 | static void wlc_txflowcontrol_reset(wlc_info_t *wlc); |
7d4df48e | 271 | static u16 wlc_compute_airtime(wlc_info_t *wlc, ratespec_t rspec, |
a9533e7e | 272 | uint length); |
41feb5ed GKH |
273 | static void wlc_compute_cck_plcp(ratespec_t rate, uint length, u8 *plcp); |
274 | static void wlc_compute_ofdm_plcp(ratespec_t rate, uint length, u8 *plcp); | |
275 | static void wlc_compute_mimo_plcp(ratespec_t rate, uint length, u8 *plcp); | |
7d4df48e | 276 | static u16 wlc_compute_frame_dur(wlc_info_t *wlc, ratespec_t rate, |
41feb5ed | 277 | u8 preamble_type, uint next_frag_len); |
7cc4a4c0 | 278 | static void wlc_recvctl(wlc_info_t *wlc, osl_t *osh, d11rxhdr_t *rxh, |
a9533e7e | 279 | void *p); |
7cc4a4c0 | 280 | static uint wlc_calc_frame_len(wlc_info_t *wlc, ratespec_t rate, |
41feb5ed | 281 | u8 preamble_type, uint dur); |
7cc4a4c0 | 282 | static uint wlc_calc_ack_time(wlc_info_t *wlc, ratespec_t rate, |
41feb5ed | 283 | u8 preamble_type); |
7cc4a4c0 | 284 | static uint wlc_calc_cts_time(wlc_info_t *wlc, ratespec_t rate, |
41feb5ed | 285 | u8 preamble_type); |
a9533e7e | 286 | /* interrupt, up/down, band */ |
7cc4a4c0 JC |
287 | static void wlc_setband(wlc_info_t *wlc, uint bandunit); |
288 | static chanspec_t wlc_init_chanspec(wlc_info_t *wlc); | |
289 | static void wlc_bandinit_ordered(wlc_info_t *wlc, chanspec_t chanspec); | |
290 | static void wlc_bsinit(wlc_info_t *wlc); | |
291 | static int wlc_duty_cycle_set(wlc_info_t *wlc, int duty_cycle, bool isOFDM, | |
a9533e7e | 292 | bool writeToShm); |
7cc4a4c0 JC |
293 | static void wlc_radio_hwdisable_upd(wlc_info_t *wlc); |
294 | static bool wlc_radio_monitor_start(wlc_info_t *wlc); | |
a9533e7e | 295 | static void wlc_radio_timer(void *arg); |
7cc4a4c0 JC |
296 | static void wlc_radio_enable(wlc_info_t *wlc); |
297 | static void wlc_radio_upd(wlc_info_t *wlc); | |
a9533e7e HP |
298 | |
299 | /* scan, association, BSS */ | |
7cc4a4c0 | 300 | static uint wlc_calc_ba_time(wlc_info_t *wlc, ratespec_t rate, |
41feb5ed GKH |
301 | u8 preamble_type); |
302 | static void wlc_update_mimo_band_bwcap(wlc_info_t *wlc, u8 bwcap); | |
7cc4a4c0 | 303 | static void wlc_ht_update_sgi_rx(wlc_info_t *wlc, int val); |
41feb5ed | 304 | void wlc_ht_mimops_cap_update(wlc_info_t *wlc, u8 mimops_mode); |
562c8850 | 305 | static void wlc_ht_update_ldpc(wlc_info_t *wlc, s8 val); |
7cc4a4c0 | 306 | static void wlc_war16165(wlc_info_t *wlc, bool tx); |
a9533e7e HP |
307 | |
308 | static void wlc_process_eventq(void *arg); | |
7cc4a4c0 JC |
309 | static void wlc_wme_retries_write(wlc_info_t *wlc); |
310 | static bool wlc_attach_stf_ant_init(wlc_info_t *wlc); | |
311 | static uint wlc_attach_module(wlc_info_t *wlc); | |
312 | static void wlc_detach_module(wlc_info_t *wlc); | |
313 | static void wlc_timers_deinit(wlc_info_t *wlc); | |
314 | static void wlc_down_led_upd(wlc_info_t *wlc); | |
315 | static uint wlc_down_del_timer(wlc_info_t *wlc); | |
316 | static void wlc_ofdm_rateset_war(wlc_info_t *wlc); | |
317 | static int _wlc_ioctl(wlc_info_t *wlc, int cmd, void *arg, int len, | |
a9533e7e | 318 | struct wlc_if *wlcif); |
a9533e7e HP |
319 | |
320 | #if defined(BCMDBG) | |
7cc4a4c0 | 321 | void wlc_get_rcmta(wlc_info_t *wlc, int idx, struct ether_addr *addr) |
a9533e7e HP |
322 | { |
323 | d11regs_t *regs = wlc->regs; | |
66cbd3ab | 324 | u32 v32; |
a9533e7e HP |
325 | osl_t *osh; |
326 | ||
327 | WL_TRACE(("wl%d: %s\n", WLCWLUNIT(wlc), __func__)); | |
328 | ||
329 | ASSERT(wlc->pub->corerev > 4); | |
330 | ||
331 | osh = wlc->osh; | |
332 | ||
333 | W_REG(osh, ®s->objaddr, (OBJADDR_RCMTA_SEL | (idx * 2))); | |
334 | (void)R_REG(osh, ®s->objaddr); | |
335 | v32 = R_REG(osh, ®s->objdata); | |
41feb5ed GKH |
336 | addr->octet[0] = (u8) v32; |
337 | addr->octet[1] = (u8) (v32 >> 8); | |
338 | addr->octet[2] = (u8) (v32 >> 16); | |
339 | addr->octet[3] = (u8) (v32 >> 24); | |
a9533e7e HP |
340 | W_REG(osh, ®s->objaddr, (OBJADDR_RCMTA_SEL | ((idx * 2) + 1))); |
341 | (void)R_REG(osh, ®s->objaddr); | |
e88cf8eb | 342 | v32 = R_REG(osh, (volatile u16 *)®s->objdata); |
41feb5ed GKH |
343 | addr->octet[4] = (u8) v32; |
344 | addr->octet[5] = (u8) (v32 >> 8); | |
a9533e7e HP |
345 | } |
346 | #endif /* defined(BCMDBG) */ | |
347 | ||
348 | /* keep the chip awake if needed */ | |
7cc4a4c0 | 349 | bool wlc_stay_awake(wlc_info_t *wlc) |
a9533e7e | 350 | { |
0f0881b0 | 351 | return true; |
a9533e7e HP |
352 | } |
353 | ||
354 | /* conditions under which the PM bit should be set in outgoing frames and STAY_AWAKE is meaningful | |
355 | */ | |
7cc4a4c0 | 356 | bool wlc_ps_allowed(wlc_info_t *wlc) |
a9533e7e HP |
357 | { |
358 | int idx; | |
359 | wlc_bsscfg_t *cfg; | |
360 | ||
361 | /* disallow PS when one of the following global conditions meets */ | |
362 | if (!wlc->pub->associated || !wlc->PMenabled || wlc->PM_override) | |
0965ae88 | 363 | return false; |
a9533e7e HP |
364 | |
365 | /* disallow PS when one of these meets when not scanning */ | |
366 | if (!wlc->PMblocked) { | |
367 | if (AP_ACTIVE(wlc) || wlc->monitor) | |
0965ae88 | 368 | return false; |
a9533e7e HP |
369 | } |
370 | ||
371 | FOREACH_AS_STA(wlc, idx, cfg) { | |
372 | /* disallow PS when one of the following bsscfg specific conditions meets */ | |
373 | if (!cfg->BSS || !WLC_PORTOPEN(cfg)) | |
0965ae88 | 374 | return false; |
a9533e7e HP |
375 | |
376 | if (!cfg->dtim_programmed) | |
0965ae88 | 377 | return false; |
a9533e7e HP |
378 | } |
379 | ||
0f0881b0 | 380 | return true; |
a9533e7e HP |
381 | } |
382 | ||
b4f790ee | 383 | void wlc_reset(wlc_info_t *wlc) |
a2627bc0 | 384 | { |
a9533e7e HP |
385 | WL_TRACE(("wl%d: wlc_reset\n", wlc->pub->unit)); |
386 | ||
0965ae88 | 387 | wlc->check_for_unaligned_tbtt = false; |
a9533e7e HP |
388 | |
389 | /* slurp up hw mac counters before core reset */ | |
390 | if (WLC_UPDATE_STATS(wlc)) { | |
391 | wlc_statsupd(wlc); | |
392 | ||
393 | /* reset our snapshot of macstat counters */ | |
394 | bzero((char *)wlc->core->macstat_snapshot, sizeof(macstat_t)); | |
395 | } | |
396 | ||
397 | wlc_bmac_reset(wlc->hw); | |
398 | wlc_ampdu_reset(wlc->ampdu); | |
399 | wlc->txretried = 0; | |
400 | ||
401 | #ifdef WLC_HIGH_ONLY | |
402 | /* Need to set a flag(to be cleared asynchronously by BMAC driver with high call) | |
403 | * in order to prevent wlc_rpctx_txreclaim() from screwing wlc_rpctx_getnexttxp(), | |
404 | * which could be invoked by already QUEUED high call(s) from BMAC driver before | |
405 | * wlc_bmac_reset() finishes. | |
406 | * It's not needed before in monolithic driver model because d11core interrupts would | |
407 | * have been cleared instantly in wlc_bmac_reset() and no txstatus interrupt | |
408 | * will come to driver to fetch those flushed dma pkt pointers. | |
409 | */ | |
0f0881b0 | 410 | wlc->reset_bmac_pending = true; |
a9533e7e HP |
411 | |
412 | wlc_rpctx_txreclaim(wlc->rpctx); | |
413 | ||
414 | wlc_stf_phy_txant_upd(wlc); | |
415 | wlc_phy_ant_rxdiv_set(wlc->band->pi, wlc->stf->ant_rx_ovr); | |
416 | #endif | |
417 | } | |
418 | ||
7cc4a4c0 | 419 | void wlc_fatal_error(wlc_info_t *wlc) |
a9533e7e HP |
420 | { |
421 | WL_ERROR(("wl%d: fatal error, reinitializing\n", wlc->pub->unit)); | |
422 | wl_init(wlc->wl); | |
423 | } | |
424 | ||
425 | /* Return the channel the driver should initialize during wlc_init. | |
426 | * the channel may have to be changed from the currently configured channel | |
427 | * if other configurations are in conflict (bandlocked, 11n mode disabled, | |
428 | * invalid channel for current country, etc.) | |
429 | */ | |
b4f790ee | 430 | static chanspec_t wlc_init_chanspec(wlc_info_t *wlc) |
a2627bc0 | 431 | { |
a9533e7e HP |
432 | chanspec_t chanspec = |
433 | 1 | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE | | |
434 | WL_CHANSPEC_BAND_2G; | |
435 | ||
436 | /* make sure the channel is on the supported band if we are band-restricted */ | |
437 | if (wlc->bandlocked || NBANDS(wlc) == 1) { | |
438 | ASSERT(CHSPEC_WLCBANDUNIT(chanspec) == wlc->band->bandunit); | |
439 | } | |
440 | ASSERT(wlc_valid_chanspec_db(wlc->cmi, chanspec)); | |
441 | return chanspec; | |
442 | } | |
443 | ||
444 | struct scb global_scb; | |
445 | ||
7cc4a4c0 | 446 | static void wlc_init_scb(wlc_info_t *wlc, struct scb *scb) |
a9533e7e HP |
447 | { |
448 | int i; | |
449 | scb->flags = SCB_WMECAP | SCB_HTCAP; | |
450 | for (i = 0; i < NUMPRIO; i++) | |
451 | scb->seqnum[i] = 0; | |
452 | } | |
453 | ||
b4f790ee | 454 | void wlc_init(wlc_info_t *wlc) |
a2627bc0 | 455 | { |
a9533e7e HP |
456 | d11regs_t *regs; |
457 | chanspec_t chanspec; | |
458 | int i; | |
459 | wlc_bsscfg_t *bsscfg; | |
0965ae88 | 460 | bool mute = false; |
a9533e7e HP |
461 | |
462 | WL_TRACE(("wl%d: wlc_init\n", wlc->pub->unit)); | |
463 | ||
464 | regs = wlc->regs; | |
465 | ||
466 | /* This will happen if a big-hammer was executed. In that case, we want to go back | |
467 | * to the channel that we were on and not new channel | |
468 | */ | |
469 | if (wlc->pub->associated) | |
470 | chanspec = wlc->home_chanspec; | |
471 | else | |
472 | chanspec = wlc_init_chanspec(wlc); | |
473 | ||
474 | wlc_bmac_init(wlc->hw, chanspec, mute); | |
475 | ||
476 | wlc->seckeys = wlc_bmac_read_shm(wlc->hw, M_SECRXKEYS_PTR) * 2; | |
477 | if (D11REV_GE(wlc->pub->corerev, 15) && (wlc->machwcap & MCAP_TKIPMIC)) | |
478 | wlc->tkmickeys = | |
479 | wlc_bmac_read_shm(wlc->hw, M_TKMICKEYS_PTR) * 2; | |
480 | ||
481 | /* update beacon listen interval */ | |
482 | wlc_bcn_li_upd(wlc); | |
483 | wlc->bcn_wait_prd = | |
41feb5ed | 484 | (u8) (wlc_bmac_read_shm(wlc->hw, M_NOSLPZNATDTIM) >> 10); |
a9533e7e HP |
485 | ASSERT(wlc->bcn_wait_prd > 0); |
486 | ||
487 | /* the world is new again, so is our reported rate */ | |
488 | wlc_reprate_init(wlc); | |
489 | ||
490 | /* write ethernet address to core */ | |
491 | FOREACH_BSS(wlc, i, bsscfg) { | |
492 | wlc_set_mac(bsscfg); | |
493 | wlc_set_bssid(bsscfg); | |
494 | } | |
495 | ||
496 | /* Update tsf_cfprep if associated and up */ | |
497 | if (wlc->pub->associated) { | |
498 | FOREACH_BSS(wlc, i, bsscfg) { | |
499 | if (bsscfg->up) { | |
66cbd3ab | 500 | u32 bi; |
a9533e7e HP |
501 | |
502 | /* get beacon period from bsscfg and convert to uS */ | |
503 | bi = bsscfg->current_bss->beacon_period << 10; | |
504 | /* update the tsf_cfprep register */ | |
505 | /* since init path would reset to default value */ | |
506 | W_REG(wlc->osh, ®s->tsf_cfprep, | |
507 | (bi << CFPREP_CBI_SHIFT)); | |
508 | ||
509 | /* Update maccontrol PM related bits */ | |
510 | wlc_set_ps_ctrl(wlc); | |
511 | ||
512 | break; | |
513 | } | |
514 | } | |
515 | } | |
516 | ||
517 | wlc_key_hw_init_all(wlc); | |
518 | ||
519 | wlc_bandinit_ordered(wlc, chanspec); | |
520 | ||
521 | wlc_init_scb(wlc, &global_scb); | |
522 | ||
523 | /* init probe response timeout */ | |
524 | wlc_write_shm(wlc, M_PRS_MAXTIME, wlc->prb_resp_timeout); | |
525 | ||
526 | /* init max burst txop (framebursting) */ | |
527 | wlc_write_shm(wlc, M_MBURST_TXOP, | |
528 | (wlc-> | |
529 | _rifs ? (EDCF_AC_VO_TXOP_AP << 5) : MAXFRAMEBURST_TXOP)); | |
530 | ||
531 | /* initialize maximum allowed duty cycle */ | |
0f0881b0 | 532 | wlc_duty_cycle_set(wlc, wlc->tx_duty_cycle_ofdm, true, true); |
0965ae88 | 533 | wlc_duty_cycle_set(wlc, wlc->tx_duty_cycle_cck, false, true); |
a9533e7e HP |
534 | |
535 | /* Update some shared memory locations related to max AMPDU size allowed to received */ | |
536 | wlc_ampdu_shm_upd(wlc->ampdu); | |
537 | ||
538 | /* band-specific inits */ | |
539 | wlc_bsinit(wlc); | |
540 | ||
541 | /* Enable EDCF mode (while the MAC is suspended) */ | |
542 | if (EDCF_ENAB(wlc->pub)) { | |
543 | OR_REG(wlc->osh, ®s->ifs_ctl, IFS_USEEDCF); | |
0965ae88 | 544 | wlc_edcf_setparams(wlc->cfg, false); |
a9533e7e HP |
545 | } |
546 | ||
547 | /* Init precedence maps for empty FIFOs */ | |
548 | wlc_tx_prec_map_init(wlc); | |
549 | ||
550 | /* read the ucode version if we have not yet done so */ | |
551 | if (wlc->ucode_rev == 0) { | |
552 | wlc->ucode_rev = | |
7d4df48e | 553 | wlc_read_shm(wlc, M_BOM_REV_MAJOR) << NBITS(u16); |
a9533e7e HP |
554 | wlc->ucode_rev |= wlc_read_shm(wlc, M_BOM_REV_MINOR); |
555 | } | |
556 | ||
557 | /* ..now really unleash hell (allow the MAC out of suspend) */ | |
558 | wlc_enable_mac(wlc); | |
559 | ||
560 | /* clear tx flow control */ | |
561 | wlc_txflowcontrol_reset(wlc); | |
562 | ||
563 | /* clear tx data fifo suspends */ | |
0965ae88 | 564 | wlc->tx_suspended = false; |
a9533e7e HP |
565 | |
566 | /* enable the RF Disable Delay timer */ | |
567 | if (D11REV_GE(wlc->pub->corerev, 10)) | |
568 | W_REG(wlc->osh, &wlc->regs->rfdisabledly, RFDISABLE_DEFAULT); | |
569 | ||
570 | /* initialize mpc delay */ | |
571 | wlc->mpc_delay_off = wlc->mpc_dlycnt = WLC_MPC_MIN_DELAYCNT; | |
572 | ||
573 | /* | |
574 | * Initialize WME parameters; if they haven't been set by some other | |
575 | * mechanism (IOVar, etc) then read them from the hardware. | |
576 | */ | |
577 | if (WLC_WME_RETRY_SHORT_GET(wlc, 0) == 0) { /* Unintialized; read from HW */ | |
578 | int ac; | |
579 | ||
580 | ASSERT(wlc->clk); | |
581 | for (ac = 0; ac < AC_COUNT; ac++) { | |
582 | wlc->wme_retries[ac] = | |
583 | wlc_read_shm(wlc, M_AC_TXLMT_ADDR(ac)); | |
584 | } | |
585 | } | |
586 | } | |
587 | ||
7cc4a4c0 | 588 | void wlc_mac_bcn_promisc_change(wlc_info_t *wlc, bool promisc) |
a9533e7e HP |
589 | { |
590 | wlc->bcnmisc_monitor = promisc; | |
591 | wlc_mac_bcn_promisc(wlc); | |
592 | } | |
593 | ||
7cc4a4c0 | 594 | void wlc_mac_bcn_promisc(wlc_info_t *wlc) |
a9533e7e HP |
595 | { |
596 | if ((AP_ENAB(wlc->pub) && (N_ENAB(wlc->pub) || wlc->band->gmode)) || | |
597 | wlc->bcnmisc_ibss || wlc->bcnmisc_scan || wlc->bcnmisc_monitor) | |
598 | wlc_mctrl(wlc, MCTL_BCNS_PROMISC, MCTL_BCNS_PROMISC); | |
599 | else | |
600 | wlc_mctrl(wlc, MCTL_BCNS_PROMISC, 0); | |
601 | } | |
602 | ||
603 | /* set or clear maccontrol bits MCTL_PROMISC and MCTL_KEEPCONTROL */ | |
7cc4a4c0 | 604 | void wlc_mac_promisc(wlc_info_t *wlc) |
a9533e7e | 605 | { |
66cbd3ab | 606 | u32 promisc_bits = 0; |
a9533e7e HP |
607 | |
608 | /* promiscuous mode just sets MCTL_PROMISC | |
609 | * Note: APs get all BSS traffic without the need to set the MCTL_PROMISC bit | |
610 | * since all BSS data traffic is directed at the AP | |
611 | */ | |
612 | if (PROMISC_ENAB(wlc->pub) && !AP_ENAB(wlc->pub) && !wlc->wet) | |
613 | promisc_bits |= MCTL_PROMISC; | |
614 | ||
615 | /* monitor mode needs both MCTL_PROMISC and MCTL_KEEPCONTROL | |
616 | * Note: monitor mode also needs MCTL_BCNS_PROMISC, but that is | |
617 | * handled in wlc_mac_bcn_promisc() | |
618 | */ | |
619 | if (MONITOR_ENAB(wlc)) | |
620 | promisc_bits |= MCTL_PROMISC | MCTL_KEEPCONTROL; | |
621 | ||
622 | wlc_mctrl(wlc, MCTL_PROMISC | MCTL_KEEPCONTROL, promisc_bits); | |
623 | } | |
624 | ||
625 | /* check if hps and wake states of sw and hw are in sync */ | |
7cc4a4c0 | 626 | bool wlc_ps_check(wlc_info_t *wlc) |
a9533e7e | 627 | { |
0f0881b0 | 628 | bool res = true; |
a9533e7e HP |
629 | bool hps, wake; |
630 | bool wake_ok; | |
631 | ||
632 | if (!AP_ACTIVE(wlc)) { | |
66cbd3ab | 633 | volatile u32 tmp; |
a9533e7e HP |
634 | tmp = R_REG(wlc->osh, &wlc->regs->maccontrol); |
635 | ||
636 | /* If deviceremoved is detected, then don't take any action as this can be called | |
637 | * in any context. Assume that caller will take care of the condition. This is just | |
638 | * to avoid assert | |
639 | */ | |
640 | if (tmp == 0xffffffff) { | |
641 | WL_ERROR(("wl%d: %s: dead chip\n", wlc->pub->unit, | |
642 | __func__)); | |
643 | return DEVICEREMOVED(wlc); | |
644 | } | |
645 | ||
646 | hps = PS_ALLOWED(wlc); | |
647 | ||
648 | if (hps != ((tmp & MCTL_HPS) != 0)) { | |
649 | int idx; | |
650 | wlc_bsscfg_t *cfg; | |
651 | WL_ERROR(("wl%d: hps not sync, sw %d, maccontrol 0x%x\n", wlc->pub->unit, hps, tmp)); | |
652 | FOREACH_BSS(wlc, idx, cfg) { | |
653 | if (!BSSCFG_STA(cfg)) | |
654 | continue; | |
655 | } | |
656 | ||
0965ae88 | 657 | res = false; |
a9533e7e HP |
658 | } |
659 | #ifdef WLC_LOW | |
660 | /* For a monolithic build the wake check can be exact since it looks at wake | |
661 | * override bits. The MCTL_WAKE bit should match the 'wake' value. | |
662 | */ | |
663 | wake = STAY_AWAKE(wlc) || wlc->hw->wake_override; | |
664 | wake_ok = (wake == ((tmp & MCTL_WAKE) != 0)); | |
665 | #else | |
666 | /* For a split build we will not have access to any wake overrides from the low | |
667 | * level. The check can only make sure the MCTL_WAKE bit is on if the high | |
668 | * level 'wake' value is true. If the high level 'wake' is false, the MCTL_WAKE | |
669 | * may be either true or false due to the low level override. | |
670 | */ | |
671 | wake = STAY_AWAKE(wlc); | |
672 | wake_ok = (wake && ((tmp & MCTL_WAKE) != 0)) || !wake; | |
673 | #endif | |
674 | if (hps && !wake_ok) { | |
675 | WL_ERROR(("wl%d: wake not sync, sw %d maccontrol 0x%x\n", wlc->pub->unit, wake, tmp)); | |
0965ae88 | 676 | res = false; |
a9533e7e HP |
677 | } |
678 | } | |
679 | ASSERT(res); | |
680 | return res; | |
681 | } | |
682 | ||
683 | /* push sw hps and wake state through hardware */ | |
7cc4a4c0 | 684 | void wlc_set_ps_ctrl(wlc_info_t *wlc) |
a9533e7e | 685 | { |
66cbd3ab | 686 | u32 v1, v2; |
a9533e7e HP |
687 | bool hps, wake; |
688 | bool awake_before; | |
689 | ||
690 | hps = PS_ALLOWED(wlc); | |
0f0881b0 | 691 | wake = hps ? (STAY_AWAKE(wlc)) : true; |
a9533e7e HP |
692 | |
693 | WL_TRACE(("wl%d: wlc_set_ps_ctrl: hps %d wake %d\n", wlc->pub->unit, | |
694 | hps, wake)); | |
695 | ||
696 | v1 = R_REG(wlc->osh, &wlc->regs->maccontrol); | |
697 | v2 = 0; | |
698 | if (hps) | |
699 | v2 |= MCTL_HPS; | |
700 | if (wake) | |
701 | v2 |= MCTL_WAKE; | |
702 | ||
703 | wlc_mctrl(wlc, MCTL_WAKE | MCTL_HPS, v2); | |
704 | ||
705 | awake_before = ((v1 & MCTL_WAKE) || ((v1 & MCTL_HPS) == 0)); | |
706 | ||
707 | if (wake && !awake_before) | |
708 | wlc_bmac_wait_for_wake(wlc->hw); | |
709 | ||
710 | } | |
711 | ||
712 | /* | |
713 | * Write this BSS config's MAC address to core. | |
714 | * Updates RXE match engine. | |
715 | */ | |
7cc4a4c0 | 716 | int wlc_set_mac(wlc_bsscfg_t *cfg) |
a9533e7e HP |
717 | { |
718 | int err = 0; | |
719 | wlc_info_t *wlc = cfg->wlc; | |
720 | ||
721 | if (cfg == wlc->cfg) { | |
722 | /* enter the MAC addr into the RXE match registers */ | |
723 | wlc_set_addrmatch(wlc, RCM_MAC_OFFSET, &cfg->cur_etheraddr); | |
724 | } | |
725 | ||
726 | wlc_ampdu_macaddr_upd(wlc); | |
727 | ||
728 | return err; | |
729 | } | |
730 | ||
731 | /* Write the BSS config's BSSID address to core (set_bssid in d11procs.tcl). | |
732 | * Updates RXE match engine. | |
733 | */ | |
7cc4a4c0 | 734 | void wlc_set_bssid(wlc_bsscfg_t *cfg) |
a9533e7e HP |
735 | { |
736 | wlc_info_t *wlc = cfg->wlc; | |
737 | ||
738 | /* if primary config, we need to update BSSID in RXE match registers */ | |
739 | if (cfg == wlc->cfg) { | |
740 | wlc_set_addrmatch(wlc, RCM_BSSID_OFFSET, &cfg->BSSID); | |
741 | } | |
742 | #ifdef SUPPORT_HWKEYS | |
743 | else if (BSSCFG_STA(cfg) && cfg->BSS) { | |
744 | wlc_rcmta_add_bssid(wlc, cfg); | |
745 | } | |
746 | #endif | |
747 | } | |
748 | ||
749 | /* | |
750 | * Suspend the the MAC and update the slot timing | |
751 | * for standard 11b/g (20us slots) or shortslot 11g (9us slots). | |
752 | */ | |
7cc4a4c0 | 753 | void wlc_switch_shortslot(wlc_info_t *wlc, bool shortslot) |
a9533e7e HP |
754 | { |
755 | int idx; | |
756 | wlc_bsscfg_t *cfg; | |
757 | ||
758 | ASSERT(wlc->band->gmode); | |
759 | ||
760 | /* use the override if it is set */ | |
761 | if (wlc->shortslot_override != WLC_SHORTSLOT_AUTO) | |
762 | shortslot = (wlc->shortslot_override == WLC_SHORTSLOT_ON); | |
763 | ||
764 | if (wlc->shortslot == shortslot) | |
765 | return; | |
766 | ||
767 | wlc->shortslot = shortslot; | |
768 | ||
769 | /* update the capability based on current shortslot mode */ | |
770 | FOREACH_BSS(wlc, idx, cfg) { | |
771 | if (!cfg->associated) | |
772 | continue; | |
773 | cfg->current_bss->capability &= ~DOT11_CAP_SHORTSLOT; | |
774 | if (wlc->shortslot) | |
775 | cfg->current_bss->capability |= DOT11_CAP_SHORTSLOT; | |
776 | } | |
777 | ||
778 | wlc_bmac_set_shortslot(wlc->hw, shortslot); | |
779 | } | |
780 | ||
41feb5ed | 781 | static u8 wlc_local_constraint_qdbm(wlc_info_t *wlc) |
a9533e7e | 782 | { |
41feb5ed | 783 | u8 local; |
e59fe083 | 784 | s16 local_max; |
a9533e7e HP |
785 | |
786 | local = WLC_TXPWR_MAX; | |
787 | if (wlc->pub->associated && | |
788 | (wf_chspec_ctlchan(wlc->chanspec) == | |
789 | wf_chspec_ctlchan(wlc->home_chanspec))) { | |
790 | ||
791 | /* get the local power constraint if we are on the AP's | |
792 | * channel [802.11h, 7.3.2.13] | |
793 | */ | |
794 | /* Clamp the value between 0 and WLC_TXPWR_MAX w/o overflowing the target */ | |
795 | local_max = | |
796 | (wlc->txpwr_local_max - | |
797 | wlc->txpwr_local_constraint) * WLC_TXPWR_DB_FACTOR; | |
798 | if (local_max > 0 && local_max < WLC_TXPWR_MAX) | |
41feb5ed | 799 | return (u8) local_max; |
a9533e7e HP |
800 | if (local_max < 0) |
801 | return 0; | |
802 | } | |
803 | ||
804 | return local; | |
805 | } | |
806 | ||
807 | /* propagate home chanspec to all bsscfgs in case bsscfg->current_bss->chanspec is referenced */ | |
7cc4a4c0 | 808 | void wlc_set_home_chanspec(wlc_info_t *wlc, chanspec_t chanspec) |
a9533e7e HP |
809 | { |
810 | if (wlc->home_chanspec != chanspec) { | |
811 | int idx; | |
812 | wlc_bsscfg_t *cfg; | |
813 | ||
814 | wlc->home_chanspec = chanspec; | |
815 | ||
816 | FOREACH_BSS(wlc, idx, cfg) { | |
817 | if (!cfg->associated) | |
818 | continue; | |
819 | cfg->target_bss->chanspec = chanspec; | |
820 | cfg->current_bss->chanspec = chanspec; | |
821 | } | |
822 | ||
823 | } | |
824 | } | |
825 | ||
7cc4a4c0 | 826 | static void wlc_set_phy_chanspec(wlc_info_t *wlc, chanspec_t chanspec) |
a9533e7e HP |
827 | { |
828 | /* Save our copy of the chanspec */ | |
829 | wlc->chanspec = chanspec; | |
830 | ||
831 | /* Set the chanspec and power limits for this locale after computing | |
832 | * any 11h local tx power constraints. | |
833 | */ | |
834 | wlc_channel_set_chanspec(wlc->cmi, chanspec, | |
835 | wlc_local_constraint_qdbm(wlc)); | |
836 | ||
837 | if (wlc->stf->ss_algosel_auto) | |
838 | wlc_stf_ss_algo_channel_get(wlc, &wlc->stf->ss_algo_channel, | |
839 | chanspec); | |
840 | ||
841 | wlc_stf_ss_update(wlc, wlc->band); | |
842 | ||
843 | } | |
844 | ||
7cc4a4c0 | 845 | void wlc_set_chanspec(wlc_info_t *wlc, chanspec_t chanspec) |
a9533e7e HP |
846 | { |
847 | uint bandunit; | |
0965ae88 | 848 | bool switchband = false; |
a9533e7e HP |
849 | chanspec_t old_chanspec = wlc->chanspec; |
850 | ||
851 | if (!wlc_valid_chanspec_db(wlc->cmi, chanspec)) { | |
852 | WL_ERROR(("wl%d: %s: Bad channel %d\n", | |
853 | wlc->pub->unit, __func__, CHSPEC_CHANNEL(chanspec))); | |
854 | ASSERT(wlc_valid_chanspec_db(wlc->cmi, chanspec)); | |
855 | return; | |
856 | } | |
857 | ||
858 | /* Switch bands if necessary */ | |
859 | if (NBANDS(wlc) > 1) { | |
860 | bandunit = CHSPEC_WLCBANDUNIT(chanspec); | |
861 | if (wlc->band->bandunit != bandunit || wlc->bandinit_pending) { | |
0f0881b0 | 862 | switchband = true; |
a9533e7e HP |
863 | if (wlc->bandlocked) { |
864 | WL_ERROR(("wl%d: %s: chspec %d band is locked!\n", wlc->pub->unit, __func__, CHSPEC_CHANNEL(chanspec))); | |
865 | return; | |
866 | } | |
867 | /* BMAC_NOTE: should the setband call come after the wlc_bmac_chanspec() ? | |
868 | * if the setband updates (wlc_bsinit) use low level calls to inspect and | |
869 | * set state, the state inspected may be from the wrong band, or the | |
870 | * following wlc_bmac_set_chanspec() may undo the work. | |
871 | */ | |
872 | wlc_setband(wlc, bandunit); | |
873 | } | |
874 | } | |
875 | ||
876 | ASSERT(N_ENAB(wlc->pub) || !CHSPEC_IS40(chanspec)); | |
877 | ||
878 | /* sync up phy/radio chanspec */ | |
879 | wlc_set_phy_chanspec(wlc, chanspec); | |
880 | ||
881 | /* init antenna selection */ | |
882 | if (CHSPEC_WLC_BW(old_chanspec) != CHSPEC_WLC_BW(chanspec)) { | |
883 | if (WLANTSEL_ENAB(wlc)) | |
884 | wlc_antsel_init(wlc->asi); | |
885 | ||
886 | /* Fix the hardware rateset based on bw. | |
887 | * Mainly add MCS32 for 40Mhz, remove MCS 32 for 20Mhz | |
888 | */ | |
889 | wlc_rateset_bw_mcs_filter(&wlc->band->hw_rateset, | |
890 | wlc->band-> | |
891 | mimo_cap_40 ? CHSPEC_WLC_BW(chanspec) | |
892 | : 0); | |
893 | } | |
894 | ||
895 | /* update some mac configuration since chanspec changed */ | |
896 | wlc_ucode_mac_upd(wlc); | |
897 | } | |
898 | ||
899 | #if defined(BCMDBG) | |
7cc4a4c0 | 900 | static int wlc_get_current_txpwr(wlc_info_t *wlc, void *pwr, uint len) |
a9533e7e HP |
901 | { |
902 | txpwr_limits_t txpwr; | |
903 | tx_power_t power; | |
904 | tx_power_legacy_t *old_power = NULL; | |
905 | int r, c; | |
906 | uint qdbm; | |
907 | bool override; | |
908 | ||
909 | if (len == sizeof(tx_power_legacy_t)) | |
910 | old_power = (tx_power_legacy_t *) pwr; | |
911 | else if (len < sizeof(tx_power_t)) | |
912 | return BCME_BUFTOOSHORT; | |
913 | ||
914 | bzero(&power, sizeof(tx_power_t)); | |
915 | ||
916 | power.chanspec = WLC_BAND_PI_RADIO_CHANSPEC; | |
917 | if (wlc->pub->associated) | |
918 | power.local_chanspec = wlc->home_chanspec; | |
919 | ||
920 | /* Return the user target tx power limits for the various rates. Note wlc_phy.c's | |
921 | * public interface only implements getting and setting a single value for all of | |
922 | * rates, so we need to fill the array ourselves. | |
923 | */ | |
924 | wlc_phy_txpower_get(wlc->band->pi, &qdbm, &override); | |
925 | for (r = 0; r < WL_TX_POWER_RATES; r++) { | |
41feb5ed | 926 | power.user_limit[r] = (u8) qdbm; |
a9533e7e HP |
927 | } |
928 | ||
929 | power.local_max = wlc->txpwr_local_max * WLC_TXPWR_DB_FACTOR; | |
930 | power.local_constraint = | |
931 | wlc->txpwr_local_constraint * WLC_TXPWR_DB_FACTOR; | |
932 | ||
933 | power.antgain[0] = wlc->bandstate[BAND_2G_INDEX]->antgain; | |
934 | power.antgain[1] = wlc->bandstate[BAND_5G_INDEX]->antgain; | |
935 | ||
936 | wlc_channel_reg_limits(wlc->cmi, power.chanspec, &txpwr); | |
937 | ||
938 | #if WL_TX_POWER_CCK_NUM != WLC_NUM_RATES_CCK | |
939 | #error "WL_TX_POWER_CCK_NUM != WLC_NUM_RATES_CCK" | |
940 | #endif | |
941 | ||
942 | /* CCK tx power limits */ | |
943 | for (c = 0, r = WL_TX_POWER_CCK_FIRST; c < WL_TX_POWER_CCK_NUM; | |
944 | c++, r++) | |
945 | power.reg_limit[r] = txpwr.cck[c]; | |
946 | ||
947 | #if WL_TX_POWER_OFDM_NUM != WLC_NUM_RATES_OFDM | |
948 | #error "WL_TX_POWER_OFDM_NUM != WLC_NUM_RATES_OFDM" | |
949 | #endif | |
950 | ||
951 | /* 20 MHz OFDM SISO tx power limits */ | |
952 | for (c = 0, r = WL_TX_POWER_OFDM_FIRST; c < WL_TX_POWER_OFDM_NUM; | |
953 | c++, r++) | |
954 | power.reg_limit[r] = txpwr.ofdm[c]; | |
955 | ||
956 | if (WLC_PHY_11N_CAP(wlc->band)) { | |
957 | ||
958 | /* 20 MHz OFDM CDD tx power limits */ | |
959 | for (c = 0, r = WL_TX_POWER_OFDM20_CDD_FIRST; | |
960 | c < WL_TX_POWER_OFDM_NUM; c++, r++) | |
961 | power.reg_limit[r] = txpwr.ofdm_cdd[c]; | |
962 | ||
963 | /* 40 MHz OFDM SISO tx power limits */ | |
964 | for (c = 0, r = WL_TX_POWER_OFDM40_SISO_FIRST; | |
965 | c < WL_TX_POWER_OFDM_NUM; c++, r++) | |
966 | power.reg_limit[r] = txpwr.ofdm_40_siso[c]; | |
967 | ||
968 | /* 40 MHz OFDM CDD tx power limits */ | |
969 | for (c = 0, r = WL_TX_POWER_OFDM40_CDD_FIRST; | |
970 | c < WL_TX_POWER_OFDM_NUM; c++, r++) | |
971 | power.reg_limit[r] = txpwr.ofdm_40_cdd[c]; | |
972 | ||
973 | #if WL_TX_POWER_MCS_1_STREAM_NUM != WLC_NUM_RATES_MCS_1_STREAM | |
974 | #error "WL_TX_POWER_MCS_1_STREAM_NUM != WLC_NUM_RATES_MCS_1_STREAM" | |
975 | #endif | |
976 | ||
977 | /* 20MHz MCS0-7 SISO tx power limits */ | |
978 | for (c = 0, r = WL_TX_POWER_MCS20_SISO_FIRST; | |
979 | c < WLC_NUM_RATES_MCS_1_STREAM; c++, r++) | |
980 | power.reg_limit[r] = txpwr.mcs_20_siso[c]; | |
981 | ||
982 | /* 20MHz MCS0-7 CDD tx power limits */ | |
983 | for (c = 0, r = WL_TX_POWER_MCS20_CDD_FIRST; | |
984 | c < WLC_NUM_RATES_MCS_1_STREAM; c++, r++) | |
985 | power.reg_limit[r] = txpwr.mcs_20_cdd[c]; | |
986 | ||
987 | /* 20MHz MCS0-7 STBC tx power limits */ | |
988 | for (c = 0, r = WL_TX_POWER_MCS20_STBC_FIRST; | |
989 | c < WLC_NUM_RATES_MCS_1_STREAM; c++, r++) | |
990 | power.reg_limit[r] = txpwr.mcs_20_stbc[c]; | |
991 | ||
992 | /* 40MHz MCS0-7 SISO tx power limits */ | |
993 | for (c = 0, r = WL_TX_POWER_MCS40_SISO_FIRST; | |
994 | c < WLC_NUM_RATES_MCS_1_STREAM; c++, r++) | |
995 | power.reg_limit[r] = txpwr.mcs_40_siso[c]; | |
996 | ||
997 | /* 40MHz MCS0-7 CDD tx power limits */ | |
998 | for (c = 0, r = WL_TX_POWER_MCS40_CDD_FIRST; | |
999 | c < WLC_NUM_RATES_MCS_1_STREAM; c++, r++) | |
1000 | power.reg_limit[r] = txpwr.mcs_40_cdd[c]; | |
1001 | ||
1002 | /* 40MHz MCS0-7 STBC tx power limits */ | |
1003 | for (c = 0, r = WL_TX_POWER_MCS40_STBC_FIRST; | |
1004 | c < WLC_NUM_RATES_MCS_1_STREAM; c++, r++) | |
1005 | power.reg_limit[r] = txpwr.mcs_40_stbc[c]; | |
1006 | ||
1007 | #if WL_TX_POWER_MCS_2_STREAM_NUM != WLC_NUM_RATES_MCS_2_STREAM | |
1008 | #error "WL_TX_POWER_MCS_2_STREAM_NUM != WLC_NUM_RATES_MCS_2_STREAM" | |
1009 | #endif | |
1010 | ||
1011 | /* 20MHz MCS8-15 SDM tx power limits */ | |
1012 | for (c = 0, r = WL_TX_POWER_MCS20_SDM_FIRST; | |
1013 | c < WLC_NUM_RATES_MCS_2_STREAM; c++, r++) | |
1014 | power.reg_limit[r] = txpwr.mcs_20_mimo[c]; | |
1015 | ||
1016 | /* 40MHz MCS8-15 SDM tx power limits */ | |
1017 | for (c = 0, r = WL_TX_POWER_MCS40_SDM_FIRST; | |
1018 | c < WLC_NUM_RATES_MCS_2_STREAM; c++, r++) | |
1019 | power.reg_limit[r] = txpwr.mcs_40_mimo[c]; | |
1020 | ||
1021 | /* MCS 32 */ | |
1022 | power.reg_limit[WL_TX_POWER_MCS_32] = txpwr.mcs32; | |
1023 | } | |
1024 | ||
1025 | wlc_phy_txpower_get_current(wlc->band->pi, &power, | |
1026 | CHSPEC_CHANNEL(power.chanspec)); | |
1027 | ||
1028 | /* copy the tx_power_t struct to the return buffer, | |
1029 | * or convert to a tx_power_legacy_t struct | |
1030 | */ | |
1031 | if (!old_power) { | |
1032 | bcopy(&power, pwr, sizeof(tx_power_t)); | |
1033 | } else { | |
1034 | int band_idx = CHSPEC_IS2G(power.chanspec) ? 0 : 1; | |
1035 | ||
1036 | bzero(old_power, sizeof(tx_power_legacy_t)); | |
1037 | ||
1038 | old_power->txpwr_local_max = power.local_max; | |
1039 | old_power->txpwr_local_constraint = power.local_constraint; | |
1040 | if (CHSPEC_IS2G(power.chanspec)) { | |
1041 | old_power->txpwr_chan_reg_max = txpwr.cck[0]; | |
1042 | old_power->txpwr_est_Pout[band_idx] = | |
1043 | power.est_Pout_cck; | |
1044 | old_power->txpwr_est_Pout_gofdm = power.est_Pout[0]; | |
1045 | } else { | |
1046 | old_power->txpwr_chan_reg_max = txpwr.ofdm[0]; | |
1047 | old_power->txpwr_est_Pout[band_idx] = power.est_Pout[0]; | |
1048 | } | |
1049 | old_power->txpwr_antgain[0] = power.antgain[0]; | |
1050 | old_power->txpwr_antgain[1] = power.antgain[1]; | |
1051 | ||
1052 | for (r = 0; r < NUM_PWRCTRL_RATES; r++) { | |
1053 | old_power->txpwr_band_max[r] = power.user_limit[r]; | |
1054 | old_power->txpwr_limit[r] = power.reg_limit[r]; | |
1055 | old_power->txpwr_target[band_idx][r] = power.target[r]; | |
1056 | if (CHSPEC_IS2G(power.chanspec)) | |
1057 | old_power->txpwr_bphy_cck_max[r] = | |
1058 | power.board_limit[r]; | |
1059 | else | |
1060 | old_power->txpwr_aphy_max[r] = | |
1061 | power.board_limit[r]; | |
1062 | } | |
1063 | } | |
1064 | ||
1065 | return 0; | |
1066 | } | |
1067 | #endif /* defined(BCMDBG) */ | |
1068 | ||
66cbd3ab | 1069 | static u32 wlc_watchdog_backup_bi(wlc_info_t *wlc) |
a9533e7e | 1070 | { |
66cbd3ab | 1071 | u32 bi; |
a9533e7e HP |
1072 | bi = 2 * wlc->cfg->current_bss->dtim_period * |
1073 | wlc->cfg->current_bss->beacon_period; | |
1074 | if (wlc->bcn_li_dtim) | |
1075 | bi *= wlc->bcn_li_dtim; | |
1076 | else if (wlc->bcn_li_bcn) | |
1077 | /* recalculate bi based on bcn_li_bcn */ | |
1078 | bi = 2 * wlc->bcn_li_bcn * wlc->cfg->current_bss->beacon_period; | |
1079 | ||
1080 | if (bi < 2 * TIMER_INTERVAL_WATCHDOG) | |
1081 | bi = 2 * TIMER_INTERVAL_WATCHDOG; | |
1082 | return bi; | |
1083 | } | |
1084 | ||
1085 | /* Change to run the watchdog either from a periodic timer or from tbtt handler. | |
0f0881b0 | 1086 | * Call watchdog from tbtt handler if tbtt is true, watchdog timer otherwise. |
a9533e7e | 1087 | */ |
7cc4a4c0 | 1088 | void wlc_watchdog_upd(wlc_info_t *wlc, bool tbtt) |
a9533e7e HP |
1089 | { |
1090 | /* make sure changing watchdog driver is allowed */ | |
1091 | if (!wlc->pub->up || !wlc->pub->align_wd_tbtt) | |
1092 | return; | |
1093 | if (!tbtt && wlc->WDarmed) { | |
1094 | wl_del_timer(wlc->wl, wlc->wdtimer); | |
0965ae88 | 1095 | wlc->WDarmed = false; |
a9533e7e HP |
1096 | } |
1097 | ||
1098 | /* stop watchdog timer and use tbtt interrupt to drive watchdog */ | |
1099 | if (tbtt && wlc->WDarmed) { | |
1100 | wl_del_timer(wlc->wl, wlc->wdtimer); | |
0965ae88 | 1101 | wlc->WDarmed = false; |
a9533e7e HP |
1102 | wlc->WDlast = OSL_SYSUPTIME(); |
1103 | } | |
1104 | /* arm watchdog timer and drive the watchdog there */ | |
1105 | else if (!tbtt && !wlc->WDarmed) { | |
1106 | wl_add_timer(wlc->wl, wlc->wdtimer, TIMER_INTERVAL_WATCHDOG, | |
0f0881b0 GKH |
1107 | true); |
1108 | wlc->WDarmed = true; | |
a9533e7e HP |
1109 | } |
1110 | if (tbtt && !wlc->WDarmed) { | |
1111 | wl_add_timer(wlc->wl, wlc->wdtimer, wlc_watchdog_backup_bi(wlc), | |
0f0881b0 GKH |
1112 | true); |
1113 | wlc->WDarmed = true; | |
a9533e7e HP |
1114 | } |
1115 | } | |
1116 | ||
7cc4a4c0 | 1117 | ratespec_t wlc_lowest_basic_rspec(wlc_info_t *wlc, wlc_rateset_t *rs) |
a9533e7e HP |
1118 | { |
1119 | ratespec_t lowest_basic_rspec; | |
1120 | uint i; | |
1121 | ||
1122 | /* Use the lowest basic rate */ | |
1123 | lowest_basic_rspec = rs->rates[0] & RATE_MASK; | |
1124 | for (i = 0; i < rs->count; i++) { | |
1125 | if (rs->rates[i] & WLC_RATE_FLAG) { | |
1126 | lowest_basic_rspec = rs->rates[i] & RATE_MASK; | |
1127 | break; | |
1128 | } | |
1129 | } | |
1130 | #if NCONF | |
1131 | /* pick siso/cdd as default for OFDM (note no basic rate MCSs are supported yet) */ | |
1132 | if (IS_OFDM(lowest_basic_rspec)) { | |
1133 | lowest_basic_rspec |= (wlc->stf->ss_opmode << RSPEC_STF_SHIFT); | |
1134 | } | |
1135 | #endif | |
1136 | ||
90ea2296 | 1137 | return lowest_basic_rspec; |
a9533e7e HP |
1138 | } |
1139 | ||
1140 | /* This function changes the phytxctl for beacon based on current beacon ratespec AND txant | |
1141 | * setting as per this table: | |
1142 | * ratespec CCK ant = wlc->stf->txant | |
1143 | * OFDM ant = 3 | |
1144 | */ | |
7cc4a4c0 | 1145 | void wlc_beacon_phytxctl_txant_upd(wlc_info_t *wlc, ratespec_t bcn_rspec) |
a9533e7e | 1146 | { |
7d4df48e GKH |
1147 | u16 phyctl; |
1148 | u16 phytxant = wlc->stf->phytxant; | |
1149 | u16 mask = PHY_TXC_ANT_MASK; | |
a9533e7e HP |
1150 | |
1151 | /* for non-siso rates or default setting, use the available chains */ | |
1152 | if (WLC_PHY_11N_CAP(wlc->band)) { | |
1153 | phytxant = wlc_stf_phytxchain_sel(wlc, bcn_rspec); | |
1154 | } | |
1155 | ||
1156 | phyctl = wlc_read_shm(wlc, M_BCN_PCTLWD); | |
1157 | phyctl = (phyctl & ~mask) | phytxant; | |
1158 | wlc_write_shm(wlc, M_BCN_PCTLWD, phyctl); | |
1159 | } | |
1160 | ||
1161 | /* centralized protection config change function to simplify debugging, no consistency checking | |
1162 | * this should be called only on changes to avoid overhead in periodic function | |
1163 | */ | |
7cc4a4c0 | 1164 | void wlc_protection_upd(wlc_info_t *wlc, uint idx, int val) |
a9533e7e HP |
1165 | { |
1166 | WL_TRACE(("wlc_protection_upd: idx %d, val %d\n", idx, val)); | |
1167 | ||
1168 | switch (idx) { | |
1169 | case WLC_PROT_G_SPEC: | |
1170 | wlc->protection->_g = (bool) val; | |
1171 | break; | |
1172 | case WLC_PROT_G_OVR: | |
562c8850 | 1173 | wlc->protection->g_override = (s8) val; |
a9533e7e HP |
1174 | break; |
1175 | case WLC_PROT_G_USER: | |
41feb5ed | 1176 | wlc->protection->gmode_user = (u8) val; |
a9533e7e HP |
1177 | break; |
1178 | case WLC_PROT_OVERLAP: | |
562c8850 | 1179 | wlc->protection->overlap = (s8) val; |
a9533e7e HP |
1180 | break; |
1181 | case WLC_PROT_N_USER: | |
562c8850 | 1182 | wlc->protection->nmode_user = (s8) val; |
a9533e7e HP |
1183 | break; |
1184 | case WLC_PROT_N_CFG: | |
562c8850 | 1185 | wlc->protection->n_cfg = (s8) val; |
a9533e7e HP |
1186 | break; |
1187 | case WLC_PROT_N_CFG_OVR: | |
562c8850 | 1188 | wlc->protection->n_cfg_override = (s8) val; |
a9533e7e HP |
1189 | break; |
1190 | case WLC_PROT_N_NONGF: | |
1191 | wlc->protection->nongf = (bool) val; | |
1192 | break; | |
1193 | case WLC_PROT_N_NONGF_OVR: | |
562c8850 | 1194 | wlc->protection->nongf_override = (s8) val; |
a9533e7e HP |
1195 | break; |
1196 | case WLC_PROT_N_PAM_OVR: | |
562c8850 | 1197 | wlc->protection->n_pam_override = (s8) val; |
a9533e7e HP |
1198 | break; |
1199 | case WLC_PROT_N_OBSS: | |
1200 | wlc->protection->n_obss = (bool) val; | |
1201 | break; | |
1202 | ||
1203 | default: | |
1204 | ASSERT(0); | |
1205 | break; | |
1206 | } | |
1207 | ||
1208 | } | |
1209 | ||
7cc4a4c0 | 1210 | static void wlc_ht_update_sgi_rx(wlc_info_t *wlc, int val) |
a9533e7e HP |
1211 | { |
1212 | wlc->ht_cap.cap &= ~(HT_CAP_SHORT_GI_20 | HT_CAP_SHORT_GI_40); | |
1213 | wlc->ht_cap.cap |= (val & WLC_N_SGI_20) ? HT_CAP_SHORT_GI_20 : 0; | |
1214 | wlc->ht_cap.cap |= (val & WLC_N_SGI_40) ? HT_CAP_SHORT_GI_40 : 0; | |
1215 | ||
1216 | if (wlc->pub->up) { | |
1217 | wlc_update_beacon(wlc); | |
0f0881b0 | 1218 | wlc_update_probe_resp(wlc, true); |
a9533e7e HP |
1219 | } |
1220 | } | |
1221 | ||
562c8850 | 1222 | static void wlc_ht_update_ldpc(wlc_info_t *wlc, s8 val) |
a9533e7e HP |
1223 | { |
1224 | wlc->stf->ldpc = val; | |
1225 | ||
1226 | wlc->ht_cap.cap &= ~HT_CAP_LDPC_CODING; | |
1227 | if (wlc->stf->ldpc != OFF) | |
1228 | wlc->ht_cap.cap |= HT_CAP_LDPC_CODING; | |
1229 | ||
1230 | if (wlc->pub->up) { | |
1231 | wlc_update_beacon(wlc); | |
0f0881b0 | 1232 | wlc_update_probe_resp(wlc, true); |
0965ae88 | 1233 | wlc_phy_ldpc_override_set(wlc->band->pi, (val ? true : false)); |
a9533e7e HP |
1234 | } |
1235 | } | |
1236 | ||
1237 | /* | |
1238 | * ucode, hwmac update | |
1239 | * Channel dependent updates for ucode and hw | |
1240 | */ | |
7cc4a4c0 | 1241 | static void wlc_ucode_mac_upd(wlc_info_t *wlc) |
a9533e7e HP |
1242 | { |
1243 | /* enable or disable any active IBSSs depending on whether or not | |
1244 | * we are on the home channel | |
1245 | */ | |
1246 | if (wlc->home_chanspec == WLC_BAND_PI_RADIO_CHANSPEC) { | |
1247 | if (wlc->pub->associated) { | |
1248 | /* BMAC_NOTE: This is something that should be fixed in ucode inits. | |
1249 | * I think that the ucode inits set up the bcn templates and shm values | |
1250 | * with a bogus beacon. This should not be done in the inits. If ucode needs | |
1251 | * to set up a beacon for testing, the test routines should write it down, | |
1252 | * not expect the inits to populate a bogus beacon. | |
1253 | */ | |
1254 | if (WLC_PHY_11N_CAP(wlc->band)) { | |
1255 | wlc_write_shm(wlc, M_BCN_TXTSF_OFFSET, | |
1256 | wlc->band->bcntsfoff); | |
1257 | } | |
1258 | } | |
1259 | } else { | |
1260 | /* disable an active IBSS if we are not on the home channel */ | |
1261 | } | |
1262 | ||
1263 | /* update the various promisc bits */ | |
1264 | wlc_mac_bcn_promisc(wlc); | |
1265 | wlc_mac_promisc(wlc); | |
1266 | } | |
1267 | ||
7cc4a4c0 | 1268 | static void wlc_bandinit_ordered(wlc_info_t *wlc, chanspec_t chanspec) |
a9533e7e HP |
1269 | { |
1270 | wlc_rateset_t default_rateset; | |
1271 | uint parkband; | |
1272 | uint i, band_order[2]; | |
1273 | ||
1274 | WL_TRACE(("wl%d: wlc_bandinit_ordered\n", wlc->pub->unit)); | |
1275 | /* | |
1276 | * We might have been bandlocked during down and the chip power-cycled (hibernate). | |
1277 | * figure out the right band to park on | |
1278 | */ | |
1279 | if (wlc->bandlocked || NBANDS(wlc) == 1) { | |
1280 | ASSERT(CHSPEC_WLCBANDUNIT(chanspec) == wlc->band->bandunit); | |
1281 | ||
1282 | parkband = wlc->band->bandunit; /* updated in wlc_bandlock() */ | |
1283 | band_order[0] = band_order[1] = parkband; | |
1284 | } else { | |
1285 | /* park on the band of the specified chanspec */ | |
1286 | parkband = CHSPEC_WLCBANDUNIT(chanspec); | |
1287 | ||
1288 | /* order so that parkband initialize last */ | |
1289 | band_order[0] = parkband ^ 1; | |
1290 | band_order[1] = parkband; | |
1291 | } | |
1292 | ||
1293 | /* make each band operational, software state init */ | |
1294 | for (i = 0; i < NBANDS(wlc); i++) { | |
1295 | uint j = band_order[i]; | |
1296 | ||
1297 | wlc->band = wlc->bandstate[j]; | |
1298 | ||
1299 | wlc_default_rateset(wlc, &default_rateset); | |
1300 | ||
1301 | /* fill in hw_rate */ | |
1302 | wlc_rateset_filter(&default_rateset, &wlc->band->hw_rateset, | |
0965ae88 | 1303 | false, WLC_RATES_CCK_OFDM, RATE_MASK, |
a9533e7e HP |
1304 | (bool) N_ENAB(wlc->pub)); |
1305 | ||
1306 | /* init basic rate lookup */ | |
1307 | wlc_rate_lookup_init(wlc, &default_rateset); | |
1308 | } | |
1309 | ||
1310 | /* sync up phy/radio chanspec */ | |
1311 | wlc_set_phy_chanspec(wlc, chanspec); | |
1312 | } | |
1313 | ||
1314 | /* band-specific init */ | |
a2627bc0 JC |
1315 | static void WLBANDINITFN(wlc_bsinit) (wlc_info_t *wlc) |
1316 | { | |
a9533e7e HP |
1317 | WL_TRACE(("wl%d: wlc_bsinit: bandunit %d\n", wlc->pub->unit, |
1318 | wlc->band->bandunit)); | |
1319 | ||
1320 | /* write ucode ACK/CTS rate table */ | |
1321 | wlc_set_ratetable(wlc); | |
1322 | ||
1323 | /* update some band specific mac configuration */ | |
1324 | wlc_ucode_mac_upd(wlc); | |
1325 | ||
1326 | /* init antenna selection */ | |
1327 | if (WLANTSEL_ENAB(wlc)) | |
1328 | wlc_antsel_init(wlc->asi); | |
1329 | ||
1330 | } | |
1331 | ||
1332 | /* switch to and initialize new band */ | |
a2627bc0 JC |
1333 | static void WLBANDINITFN(wlc_setband) (wlc_info_t *wlc, uint bandunit) |
1334 | { | |
a9533e7e HP |
1335 | int idx; |
1336 | wlc_bsscfg_t *cfg; | |
1337 | ||
1338 | ASSERT(NBANDS(wlc) > 1); | |
1339 | ASSERT(!wlc->bandlocked); | |
1340 | ASSERT(bandunit != wlc->band->bandunit || wlc->bandinit_pending); | |
1341 | ||
1342 | wlc->band = wlc->bandstate[bandunit]; | |
1343 | ||
1344 | if (!wlc->pub->up) | |
1345 | return; | |
1346 | ||
1347 | /* wait for at least one beacon before entering sleeping state */ | |
0f0881b0 | 1348 | wlc->PMawakebcn = true; |
a9533e7e | 1349 | FOREACH_AS_STA(wlc, idx, cfg) |
0f0881b0 | 1350 | cfg->PMawakebcn = true; |
a9533e7e HP |
1351 | wlc_set_ps_ctrl(wlc); |
1352 | ||
1353 | /* band-specific initializations */ | |
1354 | wlc_bsinit(wlc); | |
1355 | } | |
1356 | ||
1357 | /* Initialize a WME Parameter Info Element with default STA parameters from WMM Spec, Table 12 */ | |
7cc4a4c0 | 1358 | void wlc_wme_initparams_sta(wlc_info_t *wlc, wme_param_ie_t *pe) |
a9533e7e HP |
1359 | { |
1360 | static const wme_param_ie_t stadef = { | |
1361 | WME_OUI, | |
1362 | WME_TYPE, | |
1363 | WME_SUBTYPE_PARAM_IE, | |
1364 | WME_VER, | |
1365 | 0, | |
1366 | 0, | |
1367 | { | |
1368 | {EDCF_AC_BE_ACI_STA, EDCF_AC_BE_ECW_STA, | |
1369 | HTOL16(EDCF_AC_BE_TXOP_STA)}, | |
1370 | {EDCF_AC_BK_ACI_STA, EDCF_AC_BK_ECW_STA, | |
1371 | HTOL16(EDCF_AC_BK_TXOP_STA)}, | |
1372 | {EDCF_AC_VI_ACI_STA, EDCF_AC_VI_ECW_STA, | |
1373 | HTOL16(EDCF_AC_VI_TXOP_STA)}, | |
1374 | {EDCF_AC_VO_ACI_STA, EDCF_AC_VO_ECW_STA, | |
1375 | HTOL16(EDCF_AC_VO_TXOP_STA)} | |
1376 | } | |
1377 | }; | |
1378 | ||
1379 | ASSERT(sizeof(*pe) == WME_PARAM_IE_LEN); | |
1380 | memcpy(pe, &stadef, sizeof(*pe)); | |
1381 | } | |
1382 | ||
7cc4a4c0 | 1383 | void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg, bool suspend) |
a9533e7e HP |
1384 | { |
1385 | int i; | |
1386 | shm_acparams_t acp_shm; | |
7d4df48e | 1387 | u16 *shm_entry; |
a9533e7e HP |
1388 | struct ieee80211_tx_queue_params *params = arg; |
1389 | ||
1390 | ASSERT(wlc); | |
1391 | ||
1392 | /* Only apply params if the core is out of reset and has clocks */ | |
1393 | if (!wlc->clk) { | |
1394 | WL_ERROR(("wl%d: %s : no-clock\n", wlc->pub->unit, __func__)); | |
1395 | return; | |
1396 | } | |
1397 | ||
1398 | /* | |
1399 | * AP uses AC params from wme_param_ie_ap. | |
1400 | * AP advertises AC params from wme_param_ie. | |
1401 | * STA uses AC params from wme_param_ie. | |
1402 | */ | |
1403 | ||
1404 | wlc->wme_admctl = 0; | |
1405 | ||
1406 | do { | |
1407 | bzero((char *)&acp_shm, sizeof(shm_acparams_t)); | |
1408 | /* find out which ac this set of params applies to */ | |
1409 | ASSERT(aci < AC_COUNT); | |
1410 | /* set the admission control policy for this AC */ | |
1411 | /* wlc->wme_admctl |= 1 << aci; *//* should be set ?? seems like off by default */ | |
1412 | ||
1413 | /* fill in shm ac params struct */ | |
1414 | acp_shm.txop = ltoh16(params->txop); | |
1415 | /* convert from units of 32us to us for ucode */ | |
1416 | wlc->edcf_txop[aci & 0x3] = acp_shm.txop = | |
1417 | EDCF_TXOP2USEC(acp_shm.txop); | |
1418 | acp_shm.aifs = (params->aifs & EDCF_AIFSN_MASK); | |
1419 | ||
1420 | if (aci == AC_VI && acp_shm.txop == 0 | |
1421 | && acp_shm.aifs < EDCF_AIFSN_MAX) | |
1422 | acp_shm.aifs++; | |
1423 | ||
1424 | if (acp_shm.aifs < EDCF_AIFSN_MIN | |
1425 | || acp_shm.aifs > EDCF_AIFSN_MAX) { | |
1426 | WL_ERROR(("wl%d: wlc_edcf_setparams: bad aifs %d\n", | |
1427 | wlc->pub->unit, acp_shm.aifs)); | |
1428 | continue; | |
1429 | } | |
1430 | ||
1431 | acp_shm.cwmin = params->cw_min; | |
1432 | acp_shm.cwmax = params->cw_max; | |
1433 | acp_shm.cwcur = acp_shm.cwmin; | |
1434 | acp_shm.bslots = | |
1435 | R_REG(wlc->osh, &wlc->regs->tsf_random) & acp_shm.cwcur; | |
1436 | acp_shm.reggap = acp_shm.bslots + acp_shm.aifs; | |
1437 | /* Indicate the new params to the ucode */ | |
1438 | acp_shm.status = wlc_read_shm(wlc, (M_EDCF_QINFO + | |
1439 | wme_shmemacindex(aci) * | |
1440 | M_EDCF_QLEN + | |
1441 | M_EDCF_STATUS_OFF)); | |
1442 | acp_shm.status |= WME_STATUS_NEWAC; | |
1443 | ||
1444 | /* Fill in shm acparam table */ | |
7d4df48e | 1445 | shm_entry = (u16 *) &acp_shm; |
a9533e7e HP |
1446 | for (i = 0; i < (int)sizeof(shm_acparams_t); i += 2) |
1447 | wlc_write_shm(wlc, | |
1448 | M_EDCF_QINFO + | |
1449 | wme_shmemacindex(aci) * M_EDCF_QLEN + i, | |
1450 | *shm_entry++); | |
1451 | ||
1452 | } while (0); | |
1453 | ||
1454 | if (suspend) | |
1455 | wlc_suspend_mac_and_wait(wlc); | |
1456 | ||
1457 | if (suspend) | |
1458 | wlc_enable_mac(wlc); | |
1459 | ||
1460 | } | |
1461 | ||
7cc4a4c0 | 1462 | void wlc_edcf_setparams(wlc_bsscfg_t *cfg, bool suspend) |
a9533e7e HP |
1463 | { |
1464 | wlc_info_t *wlc = cfg->wlc; | |
1465 | uint aci, i, j; | |
1466 | edcf_acparam_t *edcf_acp; | |
1467 | shm_acparams_t acp_shm; | |
7d4df48e | 1468 | u16 *shm_entry; |
a9533e7e HP |
1469 | |
1470 | ASSERT(cfg); | |
1471 | ASSERT(wlc); | |
1472 | ||
1473 | /* Only apply params if the core is out of reset and has clocks */ | |
1474 | if (!wlc->clk) | |
1475 | return; | |
1476 | ||
1477 | /* | |
1478 | * AP uses AC params from wme_param_ie_ap. | |
1479 | * AP advertises AC params from wme_param_ie. | |
1480 | * STA uses AC params from wme_param_ie. | |
1481 | */ | |
1482 | ||
29c4275a | 1483 | edcf_acp = (edcf_acparam_t *) &wlc->wme_param_ie.acparam[0]; |
a9533e7e HP |
1484 | |
1485 | wlc->wme_admctl = 0; | |
1486 | ||
1487 | for (i = 0; i < AC_COUNT; i++, edcf_acp++) { | |
1488 | bzero((char *)&acp_shm, sizeof(shm_acparams_t)); | |
1489 | /* find out which ac this set of params applies to */ | |
1490 | aci = (edcf_acp->ACI & EDCF_ACI_MASK) >> EDCF_ACI_SHIFT; | |
1491 | ASSERT(aci < AC_COUNT); | |
1492 | /* set the admission control policy for this AC */ | |
1493 | if (edcf_acp->ACI & EDCF_ACM_MASK) { | |
1494 | wlc->wme_admctl |= 1 << aci; | |
1495 | } | |
1496 | ||
1497 | /* fill in shm ac params struct */ | |
1498 | acp_shm.txop = ltoh16(edcf_acp->TXOP); | |
1499 | /* convert from units of 32us to us for ucode */ | |
1500 | wlc->edcf_txop[aci] = acp_shm.txop = | |
1501 | EDCF_TXOP2USEC(acp_shm.txop); | |
1502 | acp_shm.aifs = (edcf_acp->ACI & EDCF_AIFSN_MASK); | |
1503 | ||
1504 | if (aci == AC_VI && acp_shm.txop == 0 | |
1505 | && acp_shm.aifs < EDCF_AIFSN_MAX) | |
1506 | acp_shm.aifs++; | |
1507 | ||
1508 | if (acp_shm.aifs < EDCF_AIFSN_MIN | |
1509 | || acp_shm.aifs > EDCF_AIFSN_MAX) { | |
1510 | WL_ERROR(("wl%d: wlc_edcf_setparams: bad aifs %d\n", | |
1511 | wlc->pub->unit, acp_shm.aifs)); | |
1512 | continue; | |
1513 | } | |
1514 | ||
1515 | /* CWmin = 2^(ECWmin) - 1 */ | |
1516 | acp_shm.cwmin = EDCF_ECW2CW(edcf_acp->ECW & EDCF_ECWMIN_MASK); | |
1517 | /* CWmax = 2^(ECWmax) - 1 */ | |
1518 | acp_shm.cwmax = EDCF_ECW2CW((edcf_acp->ECW & EDCF_ECWMAX_MASK) | |
1519 | >> EDCF_ECWMAX_SHIFT); | |
1520 | acp_shm.cwcur = acp_shm.cwmin; | |
1521 | acp_shm.bslots = | |
1522 | R_REG(wlc->osh, &wlc->regs->tsf_random) & acp_shm.cwcur; | |
1523 | acp_shm.reggap = acp_shm.bslots + acp_shm.aifs; | |
1524 | /* Indicate the new params to the ucode */ | |
1525 | acp_shm.status = wlc_read_shm(wlc, (M_EDCF_QINFO + | |
1526 | wme_shmemacindex(aci) * | |
1527 | M_EDCF_QLEN + | |
1528 | M_EDCF_STATUS_OFF)); | |
1529 | acp_shm.status |= WME_STATUS_NEWAC; | |
1530 | ||
1531 | /* Fill in shm acparam table */ | |
7d4df48e | 1532 | shm_entry = (u16 *) &acp_shm; |
a9533e7e HP |
1533 | for (j = 0; j < (int)sizeof(shm_acparams_t); j += 2) |
1534 | wlc_write_shm(wlc, | |
1535 | M_EDCF_QINFO + | |
1536 | wme_shmemacindex(aci) * M_EDCF_QLEN + j, | |
1537 | *shm_entry++); | |
1538 | } | |
1539 | ||
1540 | if (suspend) | |
1541 | wlc_suspend_mac_and_wait(wlc); | |
1542 | ||
1543 | if (AP_ENAB(wlc->pub) && WME_ENAB(wlc->pub)) { | |
1544 | wlc_update_beacon(wlc); | |
0965ae88 | 1545 | wlc_update_probe_resp(wlc, false); |
a9533e7e HP |
1546 | } |
1547 | ||
1548 | if (suspend) | |
1549 | wlc_enable_mac(wlc); | |
1550 | ||
1551 | } | |
1552 | ||
0d2f0724 | 1553 | bool wlc_timers_init(wlc_info_t *wlc, int unit) |
a2627bc0 | 1554 | { |
ca8c1e59 JC |
1555 | wlc->wdtimer = wl_init_timer(wlc->wl, wlc_watchdog_by_timer, |
1556 | wlc, "watchdog"); | |
1557 | if (!wlc->wdtimer) { | |
a9533e7e HP |
1558 | WL_ERROR(("wl%d: wl_init_timer for wdtimer failed\n", unit)); |
1559 | goto fail; | |
1560 | } | |
1561 | ||
ca8c1e59 JC |
1562 | wlc->radio_timer = wl_init_timer(wlc->wl, wlc_radio_timer, |
1563 | wlc, "radio"); | |
1564 | if (!wlc->radio_timer) { | |
a9533e7e HP |
1565 | WL_ERROR(("wl%d: wl_init_timer for radio_timer failed\n", |
1566 | unit)); | |
1567 | goto fail; | |
1568 | } | |
1569 | ||
0f0881b0 | 1570 | return true; |
a9533e7e HP |
1571 | |
1572 | fail: | |
0965ae88 | 1573 | return false; |
a9533e7e HP |
1574 | } |
1575 | ||
1576 | /* | |
1577 | * Initialize wlc_info default values ... | |
1578 | * may get overrides later in this function | |
1579 | */ | |
0d2f0724 | 1580 | void wlc_info_init(wlc_info_t *wlc, int unit) |
a2627bc0 | 1581 | { |
a9533e7e HP |
1582 | int i; |
1583 | /* Assume the device is there until proven otherwise */ | |
0f0881b0 | 1584 | wlc->device_present = true; |
a9533e7e HP |
1585 | |
1586 | /* set default power output percentage to 100 percent */ | |
1587 | wlc->txpwr_percent = 100; | |
1588 | ||
1589 | /* Save our copy of the chanspec */ | |
1590 | wlc->chanspec = CH20MHZ_CHSPEC(1); | |
1591 | ||
1592 | /* initialize CCK preamble mode to unassociated state */ | |
0965ae88 | 1593 | wlc->shortpreamble = false; |
a9533e7e | 1594 | |
0f0881b0 | 1595 | wlc->legacy_probe = true; |
a9533e7e HP |
1596 | |
1597 | /* various 802.11g modes */ | |
0965ae88 | 1598 | wlc->shortslot = false; |
a9533e7e HP |
1599 | wlc->shortslot_override = WLC_SHORTSLOT_AUTO; |
1600 | ||
0f0881b0 | 1601 | wlc->barker_overlap_control = true; |
a9533e7e HP |
1602 | wlc->barker_preamble = WLC_BARKER_SHORT_ALLOWED; |
1603 | wlc->txburst_limit_override = AUTO; | |
1604 | ||
1605 | wlc_protection_upd(wlc, WLC_PROT_G_OVR, WLC_PROTECTION_AUTO); | |
0965ae88 | 1606 | wlc_protection_upd(wlc, WLC_PROT_G_SPEC, false); |
a9533e7e HP |
1607 | |
1608 | wlc_protection_upd(wlc, WLC_PROT_N_CFG_OVR, WLC_PROTECTION_AUTO); | |
1609 | wlc_protection_upd(wlc, WLC_PROT_N_CFG, WLC_N_PROTECTION_OFF); | |
1610 | wlc_protection_upd(wlc, WLC_PROT_N_NONGF_OVR, WLC_PROTECTION_AUTO); | |
0965ae88 | 1611 | wlc_protection_upd(wlc, WLC_PROT_N_NONGF, false); |
a9533e7e HP |
1612 | wlc_protection_upd(wlc, WLC_PROT_N_PAM_OVR, AUTO); |
1613 | ||
1614 | wlc_protection_upd(wlc, WLC_PROT_OVERLAP, WLC_PROTECTION_CTL_OVERLAP); | |
1615 | ||
1616 | /* 802.11g draft 4.0 NonERP elt advertisement */ | |
0f0881b0 | 1617 | wlc->include_legacy_erp = true; |
a9533e7e HP |
1618 | |
1619 | wlc->stf->ant_rx_ovr = ANT_RX_DIV_DEF; | |
1620 | wlc->stf->txant = ANT_TX_DEF; | |
1621 | ||
1622 | wlc->prb_resp_timeout = WLC_PRB_RESP_TIMEOUT; | |
1623 | ||
1624 | wlc->usr_fragthresh = DOT11_DEFAULT_FRAG_LEN; | |
1625 | for (i = 0; i < NFIFO; i++) | |
1626 | wlc->fragthresh[i] = DOT11_DEFAULT_FRAG_LEN; | |
1627 | wlc->RTSThresh = DOT11_DEFAULT_RTS_LEN; | |
1628 | ||
1629 | /* default rate fallback retry limits */ | |
1630 | wlc->SFBL = RETRY_SHORT_FB; | |
1631 | wlc->LFBL = RETRY_LONG_FB; | |
1632 | ||
1633 | /* default mac retry limits */ | |
1634 | wlc->SRL = RETRY_SHORT_DEF; | |
1635 | wlc->LRL = RETRY_LONG_DEF; | |
1636 | ||
1637 | /* init PM state */ | |
1638 | wlc->PM = PM_OFF; /* User's setting of PM mode through IOCTL */ | |
0965ae88 GKH |
1639 | wlc->PM_override = false; /* Prevents from going to PM if our AP is 'ill' */ |
1640 | wlc->PMenabled = false; /* Current PM state */ | |
1641 | wlc->PMpending = false; /* Tracks whether STA indicated PM in the last attempt */ | |
1642 | wlc->PMblocked = false; /* To allow blocking going into PM during RM and scans */ | |
a9533e7e HP |
1643 | |
1644 | /* In WMM Auto mode, PM is allowed if association is a UAPSD association */ | |
0965ae88 | 1645 | wlc->WME_PM_blocked = false; |
a9533e7e HP |
1646 | |
1647 | /* Init wme queuing method */ | |
0965ae88 | 1648 | wlc->wme_prec_queuing = false; |
a9533e7e HP |
1649 | |
1650 | /* Overrides for the core to stay awake under zillion conditions Look for STAY_AWAKE */ | |
0965ae88 | 1651 | wlc->wake = false; |
a9533e7e | 1652 | /* Are we waiting for a response to PS-Poll that we sent */ |
0965ae88 | 1653 | wlc->PSpoll = false; |
a9533e7e HP |
1654 | |
1655 | /* APSD defaults */ | |
0f0881b0 | 1656 | wlc->wme_apsd = true; |
0965ae88 | 1657 | wlc->apsd_sta_usp = false; |
a9533e7e HP |
1658 | wlc->apsd_trigger_timeout = 0; /* disable the trigger timer */ |
1659 | wlc->apsd_trigger_ac = AC_BITMAP_ALL; | |
1660 | ||
1661 | /* Set flag to indicate that hw keys should be used when available. */ | |
0965ae88 | 1662 | wlc->wsec_swkeys = false; |
a9533e7e HP |
1663 | |
1664 | /* init the 4 static WEP default keys */ | |
1665 | for (i = 0; i < WSEC_MAX_DEFAULT_KEYS; i++) { | |
1666 | wlc->wsec_keys[i] = wlc->wsec_def_keys[i]; | |
41feb5ed | 1667 | wlc->wsec_keys[i]->idx = (u8) i; |
a9533e7e HP |
1668 | } |
1669 | ||
0965ae88 | 1670 | wlc->_regulatory_domain = false; /* 802.11d */ |
a9533e7e HP |
1671 | |
1672 | /* WME QoS mode is Auto by default */ | |
1673 | wlc->pub->_wme = AUTO; | |
1674 | ||
1675 | #ifdef BCMSDIODEV_ENABLED | |
0f0881b0 | 1676 | wlc->pub->_priofc = true; /* enable priority flow control for sdio dongle */ |
a9533e7e HP |
1677 | #endif |
1678 | ||
1679 | wlc->pub->_ampdu = AMPDU_AGG_HOST; | |
1680 | wlc->pub->bcmerror = 0; | |
0f0881b0 GKH |
1681 | wlc->ibss_allowed = true; |
1682 | wlc->ibss_coalesce_allowed = true; | |
a9533e7e HP |
1683 | wlc->pub->_coex = ON; |
1684 | ||
1685 | /* intialize mpc delay */ | |
1686 | wlc->mpc_delay_off = wlc->mpc_dlycnt = WLC_MPC_MIN_DELAYCNT; | |
1687 | ||
0f0881b0 | 1688 | wlc->pr80838_war = true; |
a9533e7e HP |
1689 | } |
1690 | ||
7cc4a4c0 | 1691 | static bool wlc_state_bmac_sync(wlc_info_t *wlc) |
a9533e7e HP |
1692 | { |
1693 | wlc_bmac_state_t state_bmac; | |
1694 | ||
1695 | if (wlc_bmac_state_get(wlc->hw, &state_bmac) != 0) | |
0965ae88 | 1696 | return false; |
a9533e7e HP |
1697 | |
1698 | wlc->machwcap = state_bmac.machwcap; | |
1699 | wlc_protection_upd(wlc, WLC_PROT_N_PAM_OVR, | |
562c8850 | 1700 | (s8) state_bmac.preamble_ovr); |
a9533e7e | 1701 | |
0f0881b0 | 1702 | return true; |
a9533e7e HP |
1703 | } |
1704 | ||
0d2f0724 | 1705 | static uint wlc_attach_module(wlc_info_t *wlc) |
a2627bc0 | 1706 | { |
a9533e7e HP |
1707 | uint err = 0; |
1708 | uint unit; | |
1709 | unit = wlc->pub->unit; | |
1710 | ||
ca8c1e59 JC |
1711 | wlc->asi = wlc_antsel_attach(wlc, wlc->osh, wlc->pub, wlc->hw); |
1712 | if (wlc->asi == NULL) { | |
a9533e7e HP |
1713 | WL_ERROR(("wl%d: wlc_attach: wlc_antsel_attach failed\n", |
1714 | unit)); | |
1715 | err = 44; | |
1716 | goto fail; | |
1717 | } | |
1718 | ||
ca8c1e59 JC |
1719 | wlc->ampdu = wlc_ampdu_attach(wlc); |
1720 | if (wlc->ampdu == NULL) { | |
a9533e7e HP |
1721 | WL_ERROR(("wl%d: wlc_attach: wlc_ampdu_attach failed\n", unit)); |
1722 | err = 50; | |
1723 | goto fail; | |
1724 | } | |
1725 | ||
1726 | /* Initialize event queue; needed before following calls */ | |
1727 | wlc->eventq = | |
1728 | wlc_eventq_attach(wlc->pub, wlc, wlc->wl, wlc_process_eventq); | |
1729 | if (wlc->eventq == NULL) { | |
1730 | WL_ERROR(("wl%d: wlc_attach: wlc_eventq_attachfailed\n", unit)); | |
1731 | err = 57; | |
1732 | goto fail; | |
1733 | } | |
1734 | ||
1735 | if ((wlc_stf_attach(wlc) != 0)) { | |
1736 | WL_ERROR(("wl%d: wlc_attach: wlc_stf_attach failed\n", unit)); | |
1737 | err = 68; | |
1738 | goto fail; | |
1739 | } | |
1740 | fail: | |
1741 | return err; | |
1742 | } | |
1743 | ||
1744 | wlc_pub_t *wlc_pub(void *wlc) | |
1745 | { | |
1746 | return ((wlc_info_t *) wlc)->pub; | |
1747 | } | |
1748 | ||
1749 | #define CHIP_SUPPORTS_11N(wlc) 1 | |
1750 | ||
1751 | /* | |
1752 | * The common driver entry routine. Error codes should be unique | |
1753 | */ | |
0d2f0724 GKH |
1754 | void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit, bool piomode, |
1755 | osl_t *osh, void *regsva, uint bustype, void *btparam, | |
1756 | uint *perr) | |
1757 | { | |
a9533e7e HP |
1758 | wlc_info_t *wlc; |
1759 | uint err = 0; | |
1760 | uint j; | |
1761 | wlc_pub_t *pub; | |
1762 | wlc_txq_info_t *qi; | |
1763 | uint n_disabled; | |
1764 | ||
1765 | WL_NONE(("wl%d: %s: vendor 0x%x device 0x%x\n", unit, __func__, vendor, | |
1766 | device)); | |
1767 | ||
1768 | ASSERT(WSEC_MAX_RCMTA_KEYS <= WSEC_MAX_KEYS); | |
1769 | ASSERT(WSEC_MAX_DEFAULT_KEYS == WLC_DEFAULT_KEYS); | |
1770 | ||
1771 | /* some code depends on packed structures */ | |
1772 | ASSERT(sizeof(struct ether_addr) == ETHER_ADDR_LEN); | |
1773 | ASSERT(sizeof(struct ether_header) == ETHER_HDR_LEN); | |
1774 | ASSERT(sizeof(d11regs_t) == SI_CORE_SIZE); | |
1775 | ASSERT(sizeof(ofdm_phy_hdr_t) == D11_PHY_HDR_LEN); | |
1776 | ASSERT(sizeof(cck_phy_hdr_t) == D11_PHY_HDR_LEN); | |
1777 | ASSERT(sizeof(d11txh_t) == D11_TXH_LEN); | |
1778 | ASSERT(sizeof(d11rxhdr_t) == RXHDR_LEN); | |
a9533e7e HP |
1779 | ASSERT(sizeof(struct dot11_header) == DOT11_A4_HDR_LEN); |
1780 | ASSERT(sizeof(struct dot11_rts_frame) == DOT11_RTS_LEN); | |
a9533e7e | 1781 | ASSERT(sizeof(struct dot11_management_header) == DOT11_MGMT_HDR_LEN); |
a9533e7e HP |
1782 | ASSERT(sizeof(struct dot11_bcn_prb) == DOT11_BCN_PRB_LEN); |
1783 | ASSERT(sizeof(tx_status_t) == TXSTATUS_LEN); | |
a9533e7e | 1784 | ASSERT(sizeof(ht_cap_ie_t) == HT_CAP_IE_LEN); |
eb816036 | 1785 | #ifdef BRCM_FULLMAC |
ce0f1b8c | 1786 | ASSERT(offsetof(wl_scan_params_t, channel_list) == |
a9533e7e | 1787 | WL_SCAN_PARAMS_FIXED_SIZE); |
eb816036 | 1788 | #endif |
36c63ff6 | 1789 | ASSERT(IS_ALIGNED(offsetof(wsec_key_t, data), sizeof(u32))); |
a9533e7e HP |
1790 | ASSERT(ISPOWEROF2(MA_WINDOW_SZ)); |
1791 | ||
1792 | ASSERT(sizeof(wlc_d11rxhdr_t) <= WL_HWRXOFF); | |
1793 | ||
1794 | /* | |
1795 | * Number of replay counters value used in WPA IE must match # rxivs | |
1796 | * supported in wsec_key_t struct. See 802.11i/D3.0 sect. 7.3.2.17 | |
1797 | * 'RSN Information Element' figure 8 for this mapping. | |
1798 | */ | |
1799 | ASSERT((WPA_CAP_16_REPLAY_CNTRS == WLC_REPLAY_CNTRS_VALUE | |
1800 | && 16 == WLC_NUMRXIVS) | |
1801 | || (WPA_CAP_4_REPLAY_CNTRS == WLC_REPLAY_CNTRS_VALUE | |
1802 | && 4 == WLC_NUMRXIVS)); | |
1803 | ||
1804 | /* allocate wlc_info_t state and its substructures */ | |
ca8c1e59 JC |
1805 | wlc = (wlc_info_t *) wlc_attach_malloc(osh, unit, &err, device); |
1806 | if (wlc == NULL) | |
a9533e7e HP |
1807 | goto fail; |
1808 | wlc->osh = osh; | |
1809 | pub = wlc->pub; | |
1810 | ||
1811 | #if defined(BCMDBG) | |
1812 | wlc_info_dbg = wlc; | |
1813 | #endif | |
1814 | ||
1815 | wlc->band = wlc->bandstate[0]; | |
1816 | wlc->core = wlc->corestate; | |
1817 | wlc->wl = wl; | |
1818 | pub->unit = unit; | |
1819 | pub->osh = osh; | |
1820 | wlc->btparam = btparam; | |
1821 | pub->_piomode = piomode; | |
0965ae88 | 1822 | wlc->bandinit_pending = false; |
a9533e7e HP |
1823 | /* By default restrict TKIP associations from 11n STA's */ |
1824 | wlc->ht_wsec_restriction = WLC_HT_TKIP_RESTRICT; | |
1825 | ||
1826 | /* populate wlc_info_t with default values */ | |
1827 | wlc_info_init(wlc, unit); | |
1828 | ||
1829 | /* update sta/ap related parameters */ | |
1830 | wlc_ap_upd(wlc); | |
1831 | ||
1832 | /* 11n_disable nvram */ | |
1833 | n_disabled = getintvar(pub->vars, "11n_disable"); | |
1834 | ||
1835 | /* register a module (to handle iovars) */ | |
1836 | wlc_module_register(wlc->pub, wlc_iovars, "wlc_iovars", wlc, | |
1837 | wlc_doiovar, NULL, NULL); | |
1838 | ||
1839 | /* low level attach steps(all hw accesses go inside, no more in rest of the attach) */ | |
1840 | err = wlc_bmac_attach(wlc, vendor, device, unit, piomode, osh, regsva, | |
1841 | bustype, btparam); | |
1842 | if (err) | |
1843 | goto fail; | |
1844 | ||
1845 | /* for some states, due to different info pointer(e,g, wlc, wlc_hw) or master/slave split, | |
1846 | * HIGH driver(both monolithic and HIGH_ONLY) needs to sync states FROM BMAC portion driver | |
1847 | */ | |
1848 | if (!wlc_state_bmac_sync(wlc)) { | |
1849 | err = 20; | |
1850 | goto fail; | |
1851 | } | |
1852 | ||
1853 | pub->phy_11ncapable = WLC_PHY_11N_CAP(wlc->band); | |
1854 | ||
1855 | /* propagate *vars* from BMAC driver to high driver */ | |
1856 | wlc_bmac_copyfrom_vars(wlc->hw, &pub->vars, &wlc->vars_size); | |
1857 | ||
1858 | #ifdef WLC_HIGH_ONLY | |
1859 | WL_TRACE(("nvram : vars %p , vars_size %d\n", pub->vars, | |
1860 | wlc->vars_size)); | |
1861 | #endif | |
1862 | ||
1863 | /* set maximum allowed duty cycle */ | |
1864 | wlc->tx_duty_cycle_ofdm = | |
7d4df48e | 1865 | (u16) getintvar(pub->vars, "tx_duty_cycle_ofdm"); |
a9533e7e | 1866 | wlc->tx_duty_cycle_cck = |
7d4df48e | 1867 | (u16) getintvar(pub->vars, "tx_duty_cycle_cck"); |
a9533e7e HP |
1868 | |
1869 | wlc_stf_phy_chain_calc(wlc); | |
1870 | ||
1871 | /* txchain 1: txant 0, txchain 2: txant 1 */ | |
1872 | if (WLCISNPHY(wlc->band) && (wlc->stf->txstreams == 1)) | |
1873 | wlc->stf->txant = wlc->stf->hw_txchain - 1; | |
1874 | ||
1875 | /* push to BMAC driver */ | |
1876 | wlc_phy_stf_chain_init(wlc->band->pi, wlc->stf->hw_txchain, | |
1877 | wlc->stf->hw_rxchain); | |
1878 | ||
1879 | #ifdef WLC_LOW | |
1880 | /* pull up some info resulting from the low attach */ | |
1881 | { | |
1882 | int i; | |
1883 | for (i = 0; i < NFIFO; i++) | |
1884 | wlc->core->txavail[i] = wlc->hw->txavail[i]; | |
1885 | } | |
1886 | #endif /* WLC_LOW */ | |
1887 | ||
1888 | wlc_bmac_hw_etheraddr(wlc->hw, &wlc->perm_etheraddr); | |
1889 | ||
1890 | bcopy((char *)&wlc->perm_etheraddr, (char *)&pub->cur_etheraddr, | |
1891 | ETHER_ADDR_LEN); | |
1892 | ||
1893 | for (j = 0; j < NBANDS(wlc); j++) { | |
1894 | /* Use band 1 for single band 11a */ | |
1895 | if (IS_SINGLEBAND_5G(wlc->deviceid)) | |
1896 | j = BAND_5G_INDEX; | |
1897 | ||
1898 | wlc->band = wlc->bandstate[j]; | |
1899 | ||
1900 | if (!wlc_attach_stf_ant_init(wlc)) { | |
1901 | err = 24; | |
1902 | goto fail; | |
1903 | } | |
1904 | ||
1905 | /* default contention windows size limits */ | |
1906 | wlc->band->CWmin = APHY_CWMIN; | |
1907 | wlc->band->CWmax = PHY_CWMAX; | |
1908 | ||
1909 | /* init gmode value */ | |
1910 | if (BAND_2G(wlc->band->bandtype)) { | |
1911 | wlc->band->gmode = GMODE_AUTO; | |
1912 | wlc_protection_upd(wlc, WLC_PROT_G_USER, | |
1913 | wlc->band->gmode); | |
1914 | } | |
1915 | ||
1916 | /* init _n_enab supported mode */ | |
1917 | if (WLC_PHY_11N_CAP(wlc->band) && CHIP_SUPPORTS_11N(wlc)) { | |
1918 | if (n_disabled & WLFEATURE_DISABLE_11N) { | |
1919 | pub->_n_enab = OFF; | |
1920 | wlc_protection_upd(wlc, WLC_PROT_N_USER, OFF); | |
1921 | } else { | |
1922 | pub->_n_enab = SUPPORT_11N; | |
1923 | wlc_protection_upd(wlc, WLC_PROT_N_USER, | |
1924 | ((pub->_n_enab == | |
1925 | SUPPORT_11N) ? WL_11N_2x2 : | |
1926 | WL_11N_3x3)); | |
1927 | } | |
1928 | } | |
1929 | ||
1930 | /* init per-band default rateset, depend on band->gmode */ | |
1931 | wlc_default_rateset(wlc, &wlc->band->defrateset); | |
1932 | ||
1933 | /* fill in hw_rateset (used early by WLC_SET_RATESET) */ | |
1934 | wlc_rateset_filter(&wlc->band->defrateset, | |
0965ae88 | 1935 | &wlc->band->hw_rateset, false, |
a9533e7e HP |
1936 | WLC_RATES_CCK_OFDM, RATE_MASK, |
1937 | (bool) N_ENAB(wlc->pub)); | |
1938 | } | |
1939 | ||
1940 | /* update antenna config due to wlc->stf->txant/txchain/ant_rx_ovr change */ | |
1941 | wlc_stf_phy_txant_upd(wlc); | |
1942 | ||
1943 | /* attach each modules */ | |
1944 | err = wlc_attach_module(wlc); | |
1945 | if (err != 0) | |
1946 | goto fail; | |
1947 | ||
1948 | if (!wlc_timers_init(wlc, unit)) { | |
1949 | WL_ERROR(("wl%d: %s: wlc_init_timer failed\n", unit, __func__)); | |
1950 | err = 32; | |
1951 | goto fail; | |
1952 | } | |
1953 | ||
1954 | /* depend on rateset, gmode */ | |
1955 | wlc->cmi = wlc_channel_mgr_attach(wlc); | |
1956 | if (!wlc->cmi) { | |
1957 | WL_ERROR(("wl%d: %s: wlc_channel_mgr_attach failed\n", unit, | |
1958 | __func__)); | |
1959 | err = 33; | |
1960 | goto fail; | |
1961 | } | |
1962 | ||
1963 | /* init default when all parameters are ready, i.e. ->rateset */ | |
1964 | wlc_bss_default_init(wlc); | |
1965 | ||
1966 | /* | |
1967 | * Complete the wlc default state initializations.. | |
1968 | */ | |
1969 | ||
1970 | /* allocate our initial queue */ | |
1971 | qi = wlc_txq_alloc(wlc, osh); | |
1972 | if (qi == NULL) { | |
1973 | WL_ERROR(("wl%d: %s: failed to malloc tx queue\n", unit, | |
1974 | __func__)); | |
1975 | err = 100; | |
1976 | goto fail; | |
1977 | } | |
1978 | wlc->active_queue = qi; | |
1979 | ||
1980 | wlc->bsscfg[0] = wlc->cfg; | |
1981 | wlc->cfg->_idx = 0; | |
1982 | wlc->cfg->wlc = wlc; | |
1983 | pub->txmaxpkts = MAXTXPKTS; | |
1984 | ||
1985 | WLCNTSET(pub->_cnt->version, WL_CNT_T_VERSION); | |
1986 | WLCNTSET(pub->_cnt->length, sizeof(wl_cnt_t)); | |
1987 | ||
1988 | WLCNTSET(pub->_wme_cnt->version, WL_WME_CNT_VERSION); | |
1989 | WLCNTSET(pub->_wme_cnt->length, sizeof(wl_wme_cnt_t)); | |
1990 | ||
1991 | wlc_wme_initparams_sta(wlc, &wlc->wme_param_ie); | |
1992 | ||
1993 | wlc->mimoft = FT_HT; | |
1994 | wlc->ht_cap.cap = HT_CAP; | |
1995 | if (HT_ENAB(wlc->pub)) | |
1996 | wlc->stf->ldpc = AUTO; | |
1997 | ||
1998 | wlc->mimo_40txbw = AUTO; | |
1999 | wlc->ofdm_40txbw = AUTO; | |
2000 | wlc->cck_40txbw = AUTO; | |
2001 | wlc_update_mimo_band_bwcap(wlc, WLC_N_BW_20IN2G_40IN5G); | |
2002 | ||
2003 | /* Enable setting the RIFS Mode bit by default in HT Info IE */ | |
2004 | wlc->rifs_advert = AUTO; | |
2005 | ||
2006 | /* Set default values of SGI */ | |
2007 | if (WLC_SGI_CAP_PHY(wlc)) { | |
2008 | wlc_ht_update_sgi_rx(wlc, (WLC_N_SGI_20 | WLC_N_SGI_40)); | |
2009 | wlc->sgi_tx = AUTO; | |
2010 | } else if (WLCISSSLPNPHY(wlc->band)) { | |
2011 | wlc_ht_update_sgi_rx(wlc, (WLC_N_SGI_20 | WLC_N_SGI_40)); | |
2012 | wlc->sgi_tx = AUTO; | |
2013 | } else { | |
2014 | wlc_ht_update_sgi_rx(wlc, 0); | |
2015 | wlc->sgi_tx = OFF; | |
2016 | } | |
2017 | ||
2018 | /* *******nvram 11n config overrides Start ********* */ | |
2019 | ||
2020 | /* apply the sgi override from nvram conf */ | |
2021 | if (n_disabled & WLFEATURE_DISABLE_11N_SGI_TX) | |
2022 | wlc->sgi_tx = OFF; | |
2023 | ||
2024 | if (n_disabled & WLFEATURE_DISABLE_11N_SGI_RX) | |
2025 | wlc_ht_update_sgi_rx(wlc, 0); | |
2026 | ||
2027 | /* apply the stbc override from nvram conf */ | |
2028 | if (n_disabled & WLFEATURE_DISABLE_11N_STBC_TX) { | |
2029 | wlc->bandstate[BAND_2G_INDEX]->band_stf_stbc_tx = OFF; | |
2030 | wlc->bandstate[BAND_5G_INDEX]->band_stf_stbc_tx = OFF; | |
2031 | wlc->ht_cap.cap &= ~HT_CAP_TX_STBC; | |
2032 | } | |
2033 | if (n_disabled & WLFEATURE_DISABLE_11N_STBC_RX) | |
2034 | wlc_stf_stbc_rx_set(wlc, HT_CAP_RX_STBC_NO); | |
2035 | ||
2036 | /* apply the GF override from nvram conf */ | |
2037 | if (n_disabled & WLFEATURE_DISABLE_11N_GF) | |
2038 | wlc->ht_cap.cap &= ~HT_CAP_GF; | |
2039 | ||
2040 | /* initialize radio_mpc_disable according to wlc->mpc */ | |
2041 | wlc_radio_mpc_upd(wlc); | |
2042 | ||
2043 | if (WLANTSEL_ENAB(wlc)) { | |
2044 | if ((CHIPID(wlc->pub->sih->chip)) == BCM43235_CHIP_ID) { | |
2045 | if ((getintvar(wlc->pub->vars, "aa2g") == 7) || | |
2046 | (getintvar(wlc->pub->vars, "aa5g") == 7)) { | |
2047 | wlc_bmac_antsel_set(wlc->hw, 1); | |
2048 | } | |
2049 | } else { | |
2050 | wlc_bmac_antsel_set(wlc->hw, wlc->asi->antsel_avail); | |
2051 | } | |
2052 | } | |
2053 | ||
2054 | if (perr) | |
2055 | *perr = 0; | |
2056 | ||
90ea2296 | 2057 | return (void *)wlc; |
a9533e7e HP |
2058 | |
2059 | fail: | |
2060 | WL_ERROR(("wl%d: %s: failed with err %d\n", unit, __func__, err)); | |
2061 | if (wlc) | |
2062 | wlc_detach(wlc); | |
2063 | ||
2064 | if (perr) | |
2065 | *perr = err; | |
90ea2296 | 2066 | return NULL; |
a9533e7e HP |
2067 | } |
2068 | ||
a9d0fffa | 2069 | static void wlc_attach_antgain_init(wlc_info_t *wlc) |
a2627bc0 | 2070 | { |
a9533e7e HP |
2071 | uint unit; |
2072 | unit = wlc->pub->unit; | |
2073 | ||
2074 | if ((wlc->band->antgain == -1) && (wlc->pub->sromrev == 1)) { | |
2075 | /* default antenna gain for srom rev 1 is 2 dBm (8 qdbm) */ | |
2076 | wlc->band->antgain = 8; | |
2077 | } else if (wlc->band->antgain == -1) { | |
2078 | WL_ERROR(("wl%d: %s: Invalid antennas available in srom, using 2dB\n", unit, __func__)); | |
2079 | wlc->band->antgain = 8; | |
2080 | } else { | |
562c8850 | 2081 | s8 gain, fract; |
a9533e7e HP |
2082 | /* Older sroms specified gain in whole dbm only. In order |
2083 | * be able to specify qdbm granularity and remain backward compatible | |
2084 | * the whole dbms are now encoded in only low 6 bits and remaining qdbms | |
2085 | * are encoded in the hi 2 bits. 6 bit signed number ranges from | |
2086 | * -32 - 31. Examples: 0x1 = 1 db, | |
2087 | * 0xc1 = 1.75 db (1 + 3 quarters), | |
2088 | * 0x3f = -1 (-1 + 0 quarters), | |
2089 | * 0x7f = -.75 (-1 in low 6 bits + 1 quarters in hi 2 bits) = -3 qdbm. | |
2090 | * 0xbf = -.50 (-1 in low 6 bits + 2 quarters in hi 2 bits) = -2 qdbm. | |
2091 | */ | |
2092 | gain = wlc->band->antgain & 0x3f; | |
2093 | gain <<= 2; /* Sign extend */ | |
2094 | gain >>= 2; | |
2095 | fract = (wlc->band->antgain & 0xc0) >> 6; | |
2096 | wlc->band->antgain = 4 * gain + fract; | |
2097 | } | |
2098 | } | |
2099 | ||
0d2f0724 | 2100 | static bool wlc_attach_stf_ant_init(wlc_info_t *wlc) |
a2627bc0 | 2101 | { |
a9533e7e HP |
2102 | int aa; |
2103 | uint unit; | |
2104 | char *vars; | |
2105 | int bandtype; | |
2106 | ||
2107 | unit = wlc->pub->unit; | |
2108 | vars = wlc->pub->vars; | |
2109 | bandtype = wlc->band->bandtype; | |
2110 | ||
2111 | /* get antennas available */ | |
562c8850 | 2112 | aa = (s8) getintvar(vars, (BAND_5G(bandtype) ? "aa5g" : "aa2g")); |
a9533e7e | 2113 | if (aa == 0) |
562c8850 | 2114 | aa = (s8) getintvar(vars, |
a9533e7e HP |
2115 | (BAND_5G(bandtype) ? "aa1" : "aa0")); |
2116 | if ((aa < 1) || (aa > 15)) { | |
2117 | WL_ERROR(("wl%d: %s: Invalid antennas available in srom (0x%x), using 3.\n", unit, __func__, aa)); | |
2118 | aa = 3; | |
2119 | } | |
2120 | ||
2121 | /* reset the defaults if we have a single antenna */ | |
2122 | if (aa == 1) { | |
2123 | wlc->stf->ant_rx_ovr = ANT_RX_DIV_FORCE_0; | |
2124 | wlc->stf->txant = ANT_TX_FORCE_0; | |
2125 | } else if (aa == 2) { | |
2126 | wlc->stf->ant_rx_ovr = ANT_RX_DIV_FORCE_1; | |
2127 | wlc->stf->txant = ANT_TX_FORCE_1; | |
2128 | } else { | |
2129 | } | |
2130 | ||
2131 | /* Compute Antenna Gain */ | |
2132 | wlc->band->antgain = | |
562c8850 | 2133 | (s8) getintvar(vars, (BAND_5G(bandtype) ? "ag1" : "ag0")); |
a9533e7e HP |
2134 | wlc_attach_antgain_init(wlc); |
2135 | ||
0f0881b0 | 2136 | return true; |
a9533e7e HP |
2137 | } |
2138 | ||
2139 | #ifdef WLC_HIGH_ONLY | |
2140 | /* HIGH_ONLY bmac_attach, which sync over LOW_ONLY bmac_attach states */ | |
0d2f0724 GKH |
2141 | int wlc_bmac_attach(wlc_info_t *wlc, u16 vendor, u16 device, uint unit, |
2142 | bool piomode, osl_t *osh, void *regsva, uint bustype, | |
2143 | void *btparam) | |
2144 | { | |
a9533e7e HP |
2145 | wlc_bmac_revinfo_t revinfo; |
2146 | uint idx = 0; | |
2147 | rpc_info_t *rpc = (rpc_info_t *) btparam; | |
2148 | ||
2149 | ASSERT(bustype == RPC_BUS); | |
2150 | ||
2151 | /* install the rpc handle in the various state structures used by stub RPC functions */ | |
2152 | wlc->rpc = rpc; | |
2153 | wlc->hw->rpc = rpc; | |
2154 | wlc->hw->osh = osh; | |
2155 | ||
2156 | wlc->regs = 0; | |
2157 | ||
ca8c1e59 JC |
2158 | wlc->rpctx = wlc_rpctx_attach(wlc->pub, wlc); |
2159 | if (wlc->rpctx == NULL) | |
a9533e7e HP |
2160 | return -1; |
2161 | ||
2162 | /* | |
2163 | * FIFO 0 | |
2164 | * TX: TX_AC_BK_FIFO (TX AC Background data packets) | |
2165 | */ | |
2166 | /* Always initialized */ | |
2167 | ASSERT(NRPCTXBUFPOST <= NTXD); | |
2168 | wlc_rpctx_fifoinit(wlc->rpctx, TX_DATA_FIFO, NRPCTXBUFPOST); | |
2169 | wlc_rpctx_fifoinit(wlc->rpctx, TX_CTL_FIFO, NRPCTXBUFPOST); | |
2170 | wlc_rpctx_fifoinit(wlc->rpctx, TX_BCMC_FIFO, NRPCTXBUFPOST); | |
2171 | ||
2172 | /* VI and BK inited only if WME */ | |
2173 | if (WME_ENAB(wlc->pub)) { | |
2174 | wlc_rpctx_fifoinit(wlc->rpctx, TX_AC_BK_FIFO, NRPCTXBUFPOST); | |
2175 | wlc_rpctx_fifoinit(wlc->rpctx, TX_AC_VI_FIFO, NRPCTXBUFPOST); | |
2176 | } | |
2177 | ||
2178 | /* Allocate SB handle */ | |
2179 | wlc->pub->sih = osl_malloc(wlc->osh, sizeof(si_t)); | |
2180 | if (!wlc->pub->sih) | |
2181 | return -1; | |
2182 | bzero(wlc->pub->sih, sizeof(si_t)); | |
2183 | ||
2184 | /* sync up revinfo with BMAC */ | |
2185 | bzero(&revinfo, sizeof(wlc_bmac_revinfo_t)); | |
2186 | if (wlc_bmac_revinfo_get(wlc->hw, &revinfo) != 0) | |
2187 | return -1; | |
7d4df48e GKH |
2188 | wlc->vendorid = (u16) revinfo.vendorid; |
2189 | wlc->deviceid = (u16) revinfo.deviceid; | |
a9533e7e | 2190 | |
7d4df48e | 2191 | wlc->pub->boardrev = (u16) revinfo.boardrev; |
a9533e7e | 2192 | wlc->pub->corerev = revinfo.corerev; |
41feb5ed | 2193 | wlc->pub->sromrev = (u8) revinfo.sromrev; |
a9533e7e HP |
2194 | wlc->pub->sih->chiprev = revinfo.chiprev; |
2195 | wlc->pub->sih->chip = revinfo.chip; | |
2196 | wlc->pub->sih->chippkg = revinfo.chippkg; | |
2197 | wlc->pub->sih->boardtype = revinfo.boardtype; | |
2198 | wlc->pub->sih->boardvendor = revinfo.boardvendor; | |
2199 | wlc->pub->sih->bustype = revinfo.bustype; | |
2200 | wlc->pub->sih->buscoretype = revinfo.buscoretype; | |
2201 | wlc->pub->sih->buscorerev = revinfo.buscorerev; | |
2202 | wlc->pub->sih->issim = (bool) revinfo.issim; | |
2203 | wlc->pub->sih->rpc = rpc; | |
2204 | ||
2205 | if (revinfo.nbands == 0 || revinfo.nbands > 2) | |
2206 | return -1; | |
2207 | wlc->pub->_nbands = revinfo.nbands; | |
2208 | ||
2209 | for (idx = 0; idx < wlc->pub->_nbands; idx++) { | |
2210 | uint bandunit, bandtype; /* To access bandstate */ | |
2211 | wlc_phy_t *pi = osl_malloc(wlc->osh, sizeof(wlc_phy_t)); | |
2212 | ||
2213 | if (!pi) | |
2214 | return -1; | |
2215 | bzero(pi, sizeof(wlc_phy_t)); | |
2216 | pi->rpc = rpc; | |
2217 | ||
2218 | bandunit = revinfo.band[idx].bandunit; | |
2219 | bandtype = revinfo.band[idx].bandtype; | |
2220 | wlc->bandstate[bandunit]->radiorev = | |
41feb5ed | 2221 | (u8) revinfo.band[idx].radiorev; |
a9533e7e | 2222 | wlc->bandstate[bandunit]->phytype = |
7d4df48e | 2223 | (u16) revinfo.band[idx].phytype; |
a9533e7e | 2224 | wlc->bandstate[bandunit]->phyrev = |
7d4df48e | 2225 | (u16) revinfo.band[idx].phyrev; |
a9533e7e | 2226 | wlc->bandstate[bandunit]->radioid = |
7d4df48e | 2227 | (u16) revinfo.band[idx].radioid; |
a9533e7e HP |
2228 | wlc->bandstate[bandunit]->abgphy_encore = |
2229 | revinfo.band[idx].abgphy_encore; | |
2230 | ||
2231 | wlc->bandstate[bandunit]->pi = pi; | |
2232 | wlc->bandstate[bandunit]->bandunit = bandunit; | |
2233 | wlc->bandstate[bandunit]->bandtype = bandtype; | |
2234 | } | |
2235 | ||
2236 | /* misc stuff */ | |
2237 | ||
2238 | return 0; | |
2239 | } | |
2240 | ||
2241 | /* Free the convenience handles */ | |
7cc4a4c0 | 2242 | int wlc_bmac_detach(wlc_info_t *wlc) |
a9533e7e HP |
2243 | { |
2244 | uint idx; | |
2245 | ||
2246 | if (wlc->pub->sih) { | |
2247 | osl_mfree(wlc->osh, (void *)wlc->pub->sih, sizeof(si_t)); | |
2248 | wlc->pub->sih = NULL; | |
2249 | } | |
2250 | ||
2251 | for (idx = 0; idx < MAXBANDS; idx++) | |
2252 | if (wlc->bandstate[idx]->pi) { | |
182acb3c | 2253 | kfree(wlc->bandstate[idx]->pi); |
a9533e7e HP |
2254 | wlc->bandstate[idx]->pi = NULL; |
2255 | } | |
2256 | ||
2257 | if (wlc->rpctx) { | |
2258 | wlc_rpctx_detach(wlc->rpctx); | |
2259 | wlc->rpctx = NULL; | |
2260 | } | |
2261 | ||
2262 | return 0; | |
2263 | ||
2264 | } | |
2265 | ||
2266 | #endif /* WLC_HIGH_ONLY */ | |
2267 | ||
0d2f0724 | 2268 | static void wlc_timers_deinit(wlc_info_t *wlc) |
a2627bc0 | 2269 | { |
a9533e7e HP |
2270 | /* free timer state */ |
2271 | if (wlc->wdtimer) { | |
2272 | wl_free_timer(wlc->wl, wlc->wdtimer); | |
2273 | wlc->wdtimer = NULL; | |
2274 | } | |
2275 | if (wlc->radio_timer) { | |
2276 | wl_free_timer(wlc->wl, wlc->radio_timer); | |
2277 | wlc->radio_timer = NULL; | |
2278 | } | |
2279 | } | |
2280 | ||
0d2f0724 | 2281 | static void wlc_detach_module(wlc_info_t *wlc) |
a2627bc0 | 2282 | { |
a9533e7e HP |
2283 | if (wlc->asi) { |
2284 | wlc_antsel_detach(wlc->asi); | |
2285 | wlc->asi = NULL; | |
2286 | } | |
2287 | ||
2288 | if (wlc->ampdu) { | |
2289 | wlc_ampdu_detach(wlc->ampdu); | |
2290 | wlc->ampdu = NULL; | |
2291 | } | |
2292 | ||
2293 | wlc_stf_detach(wlc); | |
2294 | } | |
2295 | ||
2296 | /* | |
2297 | * Return a count of the number of driver callbacks still pending. | |
2298 | * | |
2299 | * General policy is that wlc_detach can only dealloc/free software states. It can NOT | |
2300 | * touch hardware registers since the d11core may be in reset and clock may not be available. | |
2301 | * One exception is sb register access, which is possible if crystal is turned on | |
2302 | * After "down" state, driver should avoid software timer with the exception of radio_monitor. | |
2303 | */ | |
0d2f0724 | 2304 | uint wlc_detach(wlc_info_t *wlc) |
a2627bc0 | 2305 | { |
a9533e7e HP |
2306 | uint i; |
2307 | uint callbacks = 0; | |
2308 | ||
2309 | if (wlc == NULL) | |
2310 | return 0; | |
2311 | ||
2312 | WL_TRACE(("wl%d: %s\n", wlc->pub->unit, __func__)); | |
2313 | ||
2314 | ASSERT(!wlc->pub->up); | |
2315 | ||
2316 | callbacks += wlc_bmac_detach(wlc); | |
2317 | ||
2318 | /* delete software timers */ | |
2319 | if (!wlc_radio_monitor_stop(wlc)) | |
2320 | callbacks++; | |
2321 | ||
2322 | if (wlc->eventq) { | |
2323 | wlc_eventq_detach(wlc->eventq); | |
2324 | wlc->eventq = NULL; | |
2325 | } | |
2326 | ||
2327 | wlc_channel_mgr_detach(wlc->cmi); | |
2328 | ||
2329 | wlc_timers_deinit(wlc); | |
2330 | ||
2331 | wlc_detach_module(wlc); | |
2332 | ||
2333 | /* free other state */ | |
2334 | ||
2335 | #ifdef WLC_HIGH_ONLY | |
2336 | /* High-Only driver has an allocated copy of vars, monolithic just | |
2337 | * references the wlc->hw->vars which is freed in wlc_bmac_detach() | |
2338 | */ | |
2339 | if (wlc->pub->vars) { | |
182acb3c | 2340 | kfree(wlc->pub->vars); |
a9533e7e HP |
2341 | wlc->pub->vars = NULL; |
2342 | } | |
2343 | #endif | |
2344 | ||
2345 | #ifdef BCMDBG | |
2346 | if (wlc->country_ie_override) { | |
182acb3c | 2347 | kfree(wlc->country_ie_override); |
a9533e7e HP |
2348 | wlc->country_ie_override = NULL; |
2349 | } | |
2350 | #endif /* BCMDBG */ | |
2351 | ||
2352 | { | |
2353 | /* free dumpcb list */ | |
2354 | dumpcb_t *prev, *ptr; | |
2355 | prev = ptr = wlc->dumpcb_head; | |
2356 | while (ptr) { | |
2357 | ptr = prev->next; | |
182acb3c | 2358 | kfree(prev); |
a9533e7e HP |
2359 | prev = ptr; |
2360 | } | |
2361 | wlc->dumpcb_head = NULL; | |
2362 | } | |
2363 | ||
2364 | /* Detach from iovar manager */ | |
2365 | wlc_module_unregister(wlc->pub, "wlc_iovars", wlc); | |
2366 | ||
2367 | /* | |
2368 | if (wlc->ap) { | |
2369 | wlc_ap_detach(wlc->ap); | |
2370 | wlc->ap = NULL; | |
2371 | } | |
2372 | */ | |
2373 | ||
2374 | while (wlc->tx_queues != NULL) { | |
2375 | wlc_txq_free(wlc, wlc->osh, wlc->tx_queues); | |
2376 | } | |
2377 | ||
2378 | /* | |
2379 | * consistency check: wlc_module_register/wlc_module_unregister calls | |
2380 | * should match therefore nothing should be left here. | |
2381 | */ | |
2382 | for (i = 0; i < WLC_MAXMODULES; i++) | |
2383 | ASSERT(wlc->modulecb[i].name[0] == '\0'); | |
2384 | ||
2385 | wlc_detach_mfree(wlc, wlc->osh); | |
90ea2296 | 2386 | return callbacks; |
a9533e7e HP |
2387 | } |
2388 | ||
2389 | /* update state that depends on the current value of "ap" */ | |
7cc4a4c0 | 2390 | void wlc_ap_upd(wlc_info_t *wlc) |
a9533e7e HP |
2391 | { |
2392 | if (AP_ENAB(wlc->pub)) | |
2393 | wlc->PLCPHdr_override = WLC_PLCP_AUTO; /* AP: short not allowed, but not enforced */ | |
2394 | else | |
2395 | wlc->PLCPHdr_override = WLC_PLCP_SHORT; /* STA-BSS; short capable */ | |
2396 | ||
2397 | /* disable vlan_mode on AP since some legacy STAs cannot rx tagged pkts */ | |
2398 | wlc->vlan_mode = AP_ENAB(wlc->pub) ? OFF : AUTO; | |
2399 | ||
2400 | /* fixup mpc */ | |
0f0881b0 | 2401 | wlc->mpc = true; |
a9533e7e HP |
2402 | } |
2403 | ||
2404 | /* read hwdisable state and propagate to wlc flag */ | |
7cc4a4c0 | 2405 | static void wlc_radio_hwdisable_upd(wlc_info_t *wlc) |
a9533e7e HP |
2406 | { |
2407 | if (wlc->pub->wlfeatureflag & WL_SWFL_NOHWRADIO || wlc->pub->hw_off) | |
2408 | return; | |
2409 | ||
2410 | if (wlc_bmac_radio_read_hwdisabled(wlc->hw)) { | |
2411 | mboolset(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE); | |
2412 | } else { | |
2413 | mboolclr(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE); | |
2414 | } | |
2415 | } | |
2416 | ||
0965ae88 | 2417 | /* return true if Minimum Power Consumption should be entered, false otherwise */ |
7cc4a4c0 | 2418 | bool wlc_is_non_delay_mpc(wlc_info_t *wlc) |
a9533e7e | 2419 | { |
0965ae88 | 2420 | return false; |
a9533e7e HP |
2421 | } |
2422 | ||
7cc4a4c0 | 2423 | bool wlc_ismpc(wlc_info_t *wlc) |
a9533e7e | 2424 | { |
90ea2296 | 2425 | return (wlc->mpc_delay_off == 0) && (wlc_is_non_delay_mpc(wlc)); |
a9533e7e HP |
2426 | } |
2427 | ||
7cc4a4c0 | 2428 | void wlc_radio_mpc_upd(wlc_info_t *wlc) |
a9533e7e HP |
2429 | { |
2430 | bool mpc_radio, radio_state; | |
2431 | ||
2432 | /* | |
2433 | * Clear the WL_RADIO_MPC_DISABLE bit when mpc feature is disabled | |
2434 | * in case the WL_RADIO_MPC_DISABLE bit was set. Stop the radio | |
2435 | * monitor also when WL_RADIO_MPC_DISABLE is the only reason that | |
2436 | * the radio is going down. | |
2437 | */ | |
2438 | if (!wlc->mpc) { | |
2439 | if (!wlc->pub->radio_disabled) | |
2440 | return; | |
2441 | mboolclr(wlc->pub->radio_disabled, WL_RADIO_MPC_DISABLE); | |
2442 | wlc_radio_upd(wlc); | |
2443 | if (!wlc->pub->radio_disabled) | |
2444 | wlc_radio_monitor_stop(wlc); | |
2445 | return; | |
2446 | } | |
2447 | ||
2448 | /* | |
2449 | * sync ismpc logic with WL_RADIO_MPC_DISABLE bit in wlc->pub->radio_disabled | |
2450 | * to go ON, always call radio_upd synchronously | |
2451 | * to go OFF, postpone radio_upd to later when context is safe(e.g. watchdog) | |
2452 | */ | |
2453 | radio_state = | |
2454 | (mboolisset(wlc->pub->radio_disabled, WL_RADIO_MPC_DISABLE) ? OFF : | |
2455 | ON); | |
0f0881b0 | 2456 | mpc_radio = (wlc_ismpc(wlc) == true) ? OFF : ON; |
a9533e7e HP |
2457 | |
2458 | if (radio_state == ON && mpc_radio == OFF) | |
2459 | wlc->mpc_delay_off = wlc->mpc_dlycnt; | |
2460 | else if (radio_state == OFF && mpc_radio == ON) { | |
2461 | mboolclr(wlc->pub->radio_disabled, WL_RADIO_MPC_DISABLE); | |
2462 | wlc_radio_upd(wlc); | |
2463 | if (wlc->mpc_offcnt < WLC_MPC_THRESHOLD) { | |
2464 | wlc->mpc_dlycnt = WLC_MPC_MAX_DELAYCNT; | |
2465 | } else | |
2466 | wlc->mpc_dlycnt = WLC_MPC_MIN_DELAYCNT; | |
2467 | wlc->mpc_dur += OSL_SYSUPTIME() - wlc->mpc_laston_ts; | |
2468 | } | |
2469 | /* Below logic is meant to capture the transition from mpc off to mpc on for reasons | |
2470 | * other than wlc->mpc_delay_off keeping the mpc off. In that case reset | |
2471 | * wlc->mpc_delay_off to wlc->mpc_dlycnt, so that we restart the countdown of mpc_delay_off | |
2472 | */ | |
0965ae88 | 2473 | if ((wlc->prev_non_delay_mpc == false) && |
0f0881b0 | 2474 | (wlc_is_non_delay_mpc(wlc) == true) && wlc->mpc_delay_off) { |
a9533e7e HP |
2475 | wlc->mpc_delay_off = wlc->mpc_dlycnt; |
2476 | } | |
2477 | wlc->prev_non_delay_mpc = wlc_is_non_delay_mpc(wlc); | |
2478 | } | |
2479 | ||
2480 | /* | |
2481 | * centralized radio disable/enable function, | |
2482 | * invoke radio enable/disable after updating hwradio status | |
2483 | */ | |
7cc4a4c0 | 2484 | static void wlc_radio_upd(wlc_info_t *wlc) |
a9533e7e HP |
2485 | { |
2486 | if (wlc->pub->radio_disabled) | |
2487 | wlc_radio_disable(wlc); | |
2488 | else | |
2489 | wlc_radio_enable(wlc); | |
2490 | } | |
2491 | ||
2492 | /* maintain LED behavior in down state */ | |
7cc4a4c0 | 2493 | static void wlc_down_led_upd(wlc_info_t *wlc) |
a9533e7e HP |
2494 | { |
2495 | ASSERT(!wlc->pub->up); | |
2496 | ||
2497 | /* maintain LEDs while in down state, turn on sbclk if not available yet */ | |
2498 | /* turn on sbclk if necessary */ | |
2499 | if (!AP_ENAB(wlc->pub)) { | |
0f0881b0 | 2500 | wlc_pllreq(wlc, true, WLC_PLLREQ_FLIP); |
a9533e7e | 2501 | |
0965ae88 | 2502 | wlc_pllreq(wlc, false, WLC_PLLREQ_FLIP); |
a9533e7e HP |
2503 | } |
2504 | } | |
2505 | ||
7cc4a4c0 | 2506 | void wlc_radio_disable(wlc_info_t *wlc) |
a9533e7e HP |
2507 | { |
2508 | if (!wlc->pub->up) { | |
2509 | wlc_down_led_upd(wlc); | |
2510 | return; | |
2511 | } | |
2512 | ||
2513 | wlc_radio_monitor_start(wlc); | |
2514 | wl_down(wlc->wl); | |
2515 | } | |
2516 | ||
7cc4a4c0 | 2517 | static void wlc_radio_enable(wlc_info_t *wlc) |
a9533e7e HP |
2518 | { |
2519 | if (wlc->pub->up) | |
2520 | return; | |
2521 | ||
2522 | if (DEVICEREMOVED(wlc)) | |
2523 | return; | |
2524 | ||
2525 | if (!wlc->down_override) { /* imposed by wl down/out ioctl */ | |
2526 | wl_up(wlc->wl); | |
2527 | } | |
2528 | } | |
2529 | ||
2530 | /* periodical query hw radio button while driver is "down" */ | |
2531 | static void wlc_radio_timer(void *arg) | |
2532 | { | |
2533 | wlc_info_t *wlc = (wlc_info_t *) arg; | |
2534 | ||
2535 | if (DEVICEREMOVED(wlc)) { | |
2536 | WL_ERROR(("wl%d: %s: dead chip\n", wlc->pub->unit, __func__)); | |
2537 | wl_down(wlc->wl); | |
2538 | return; | |
2539 | } | |
2540 | ||
2541 | /* cap mpc off count */ | |
2542 | if (wlc->mpc_offcnt < WLC_MPC_MAX_DELAYCNT) | |
2543 | wlc->mpc_offcnt++; | |
2544 | ||
2545 | /* validate all the reasons driver could be down and running this radio_timer */ | |
2546 | ASSERT(wlc->pub->radio_disabled || wlc->down_override); | |
2547 | wlc_radio_hwdisable_upd(wlc); | |
2548 | wlc_radio_upd(wlc); | |
2549 | } | |
2550 | ||
7cc4a4c0 | 2551 | static bool wlc_radio_monitor_start(wlc_info_t *wlc) |
a9533e7e HP |
2552 | { |
2553 | /* Don't start the timer if HWRADIO feature is disabled */ | |
2554 | if (wlc->radio_monitor || (wlc->pub->wlfeatureflag & WL_SWFL_NOHWRADIO)) | |
0f0881b0 | 2555 | return true; |
a9533e7e | 2556 | |
0f0881b0 GKH |
2557 | wlc->radio_monitor = true; |
2558 | wlc_pllreq(wlc, true, WLC_PLLREQ_RADIO_MON); | |
2559 | wl_add_timer(wlc->wl, wlc->radio_timer, TIMER_INTERVAL_RADIOCHK, true); | |
2560 | return true; | |
a9533e7e HP |
2561 | } |
2562 | ||
7cc4a4c0 | 2563 | bool wlc_radio_monitor_stop(wlc_info_t *wlc) |
a9533e7e HP |
2564 | { |
2565 | if (!wlc->radio_monitor) | |
0f0881b0 | 2566 | return true; |
a9533e7e HP |
2567 | |
2568 | ASSERT((wlc->pub->wlfeatureflag & WL_SWFL_NOHWRADIO) != | |
2569 | WL_SWFL_NOHWRADIO); | |
2570 | ||
0965ae88 GKH |
2571 | wlc->radio_monitor = false; |
2572 | wlc_pllreq(wlc, false, WLC_PLLREQ_RADIO_MON); | |
90ea2296 | 2573 | return wl_del_timer(wlc->wl, wlc->radio_timer); |
a9533e7e HP |
2574 | } |
2575 | ||
2576 | /* bring the driver down, but don't reset hardware */ | |
7cc4a4c0 | 2577 | void wlc_out(wlc_info_t *wlc) |
a9533e7e | 2578 | { |
0f0881b0 | 2579 | wlc_bmac_set_noreset(wlc->hw, true); |
a9533e7e HP |
2580 | wlc_radio_upd(wlc); |
2581 | wl_down(wlc->wl); | |
0965ae88 | 2582 | wlc_bmac_set_noreset(wlc->hw, false); |
a9533e7e | 2583 | |
0f0881b0 GKH |
2584 | /* core clk is true in BMAC driver due to noreset, need to mirror it in HIGH */ |
2585 | wlc->clk = true; | |
a9533e7e HP |
2586 | |
2587 | /* This will make sure that when 'up' is done | |
2588 | * after 'out' it'll restore hardware (especially gpios) | |
2589 | */ | |
0965ae88 | 2590 | wlc->pub->hw_up = false; |
a9533e7e HP |
2591 | } |
2592 | ||
2593 | #if defined(BCMDBG) | |
2594 | /* Verify the sanity of wlc->tx_prec_map. This can be done only by making sure that | |
2595 | * if there is no packet pending for the FIFO, then the corresponding prec bits should be set | |
2596 | * in prec_map. Of course, ignore this rule when block_datafifo is set | |
2597 | */ | |
7cc4a4c0 | 2598 | static bool wlc_tx_prec_map_verify(wlc_info_t *wlc) |
a9533e7e HP |
2599 | { |
2600 | /* For non-WME, both fifos have overlapping prec_map. So it's an error only if both | |
2601 | * fail the check. | |
2602 | */ | |
2603 | if (!EDCF_ENAB(wlc->pub)) { | |
2604 | if (!(WLC_TX_FIFO_CHECK(wlc, TX_DATA_FIFO) || | |
2605 | WLC_TX_FIFO_CHECK(wlc, TX_CTL_FIFO))) | |
0965ae88 | 2606 | return false; |
a9533e7e | 2607 | else |
0f0881b0 | 2608 | return true; |
a9533e7e HP |
2609 | } |
2610 | ||
90ea2296 | 2611 | return WLC_TX_FIFO_CHECK(wlc, TX_AC_BK_FIFO) |
a9533e7e HP |
2612 | && WLC_TX_FIFO_CHECK(wlc, TX_AC_BE_FIFO) |
2613 | && WLC_TX_FIFO_CHECK(wlc, TX_AC_VI_FIFO) | |
90ea2296 | 2614 | && WLC_TX_FIFO_CHECK(wlc, TX_AC_VO_FIFO); |
a9533e7e HP |
2615 | } |
2616 | #endif /* BCMDBG */ | |
2617 | ||
2618 | static void wlc_watchdog_by_timer(void *arg) | |
2619 | { | |
2620 | wlc_info_t *wlc = (wlc_info_t *) arg; | |
2621 | wlc_watchdog(arg); | |
2622 | if (WLC_WATCHDOG_TBTT(wlc)) { | |
2623 | /* set to normal osl watchdog period */ | |
2624 | wl_del_timer(wlc->wl, wlc->wdtimer); | |
2625 | wl_add_timer(wlc->wl, wlc->wdtimer, TIMER_INTERVAL_WATCHDOG, | |
0f0881b0 | 2626 | true); |
a9533e7e HP |
2627 | } |
2628 | } | |
2629 | ||
2630 | /* common watchdog code */ | |
2631 | static void wlc_watchdog(void *arg) | |
2632 | { | |
2633 | wlc_info_t *wlc = (wlc_info_t *) arg; | |
2634 | int i; | |
2635 | wlc_bsscfg_t *cfg; | |
2636 | ||
2637 | WL_TRACE(("wl%d: wlc_watchdog\n", wlc->pub->unit)); | |
2638 | ||
2639 | if (!wlc->pub->up) | |
2640 | return; | |
2641 | ||
2642 | if (DEVICEREMOVED(wlc)) { | |
2643 | WL_ERROR(("wl%d: %s: dead chip\n", wlc->pub->unit, __func__)); | |
2644 | wl_down(wlc->wl); | |
2645 | return; | |
2646 | } | |
2647 | ||
2648 | /* increment second count */ | |
2649 | wlc->pub->now++; | |
2650 | ||
2651 | /* delay radio disable */ | |
2652 | if (wlc->mpc_delay_off) { | |
2653 | if (--wlc->mpc_delay_off == 0) { | |
2654 | mboolset(wlc->pub->radio_disabled, | |
2655 | WL_RADIO_MPC_DISABLE); | |
2656 | if (wlc->mpc && wlc_ismpc(wlc)) | |
2657 | wlc->mpc_offcnt = 0; | |
2658 | wlc->mpc_laston_ts = OSL_SYSUPTIME(); | |
2659 | } | |
2660 | } | |
2661 | ||
2662 | /* mpc sync */ | |
2663 | wlc_radio_mpc_upd(wlc); | |
2664 | /* radio sync: sw/hw/mpc --> radio_disable/radio_enable */ | |
2665 | wlc_radio_hwdisable_upd(wlc); | |
2666 | wlc_radio_upd(wlc); | |
2667 | /* if ismpc, driver should be in down state if up/down is allowed */ | |
2668 | if (wlc->mpc && wlc_ismpc(wlc)) | |
2669 | ASSERT(!wlc->pub->up); | |
2670 | /* if radio is disable, driver may be down, quit here */ | |
2671 | if (wlc->pub->radio_disabled) | |
2672 | return; | |
2673 | ||
2674 | #ifdef WLC_LOW | |
2675 | wlc_bmac_watchdog(wlc); | |
2676 | #endif | |
2677 | #ifdef WLC_HIGH_ONLY | |
2678 | /* maintenance */ | |
2679 | wlc_bmac_rpc_watchdog(wlc); | |
2680 | #endif | |
2681 | ||
2682 | /* occasionally sample mac stat counters to detect 16-bit counter wrap */ | |
2683 | if ((WLC_UPDATE_STATS(wlc)) | |
2684 | && (!(wlc->pub->now % SW_TIMER_MAC_STAT_UPD))) | |
2685 | wlc_statsupd(wlc); | |
2686 | ||
2687 | /* Manage TKIP countermeasures timers */ | |
2688 | FOREACH_BSS(wlc, i, cfg) { | |
2689 | if (cfg->tk_cm_dt) { | |
2690 | cfg->tk_cm_dt--; | |
2691 | } | |
2692 | if (cfg->tk_cm_bt) { | |
2693 | cfg->tk_cm_bt--; | |
2694 | } | |
2695 | } | |
2696 | ||
2697 | /* Call any registered watchdog handlers */ | |
2698 | for (i = 0; i < WLC_MAXMODULES; i++) { | |
2699 | if (wlc->modulecb[i].watchdog_fn) | |
2700 | wlc->modulecb[i].watchdog_fn(wlc->modulecb[i].hdl); | |
2701 | } | |
2702 | ||
2703 | if (WLCISNPHY(wlc->band) && !wlc->pub->tempsense_disable && | |
2704 | ((wlc->pub->now - wlc->tempsense_lasttime) >= | |
2705 | WLC_TEMPSENSE_PERIOD)) { | |
2706 | wlc->tempsense_lasttime = wlc->pub->now; | |
2707 | wlc_tempsense_upd(wlc); | |
2708 | } | |
2709 | #ifdef WLC_LOW | |
2710 | /* BMAC_NOTE: for HIGH_ONLY driver, this seems being called after RPC bus failed */ | |
0f0881b0 | 2711 | ASSERT(wlc_bmac_taclear(wlc->hw, true)); |
a9533e7e HP |
2712 | #endif |
2713 | ||
2714 | /* Verify that tx_prec_map and fifos are in sync to avoid lock ups */ | |
2715 | ASSERT(wlc_tx_prec_map_verify(wlc)); | |
2716 | ||
2717 | ASSERT(wlc_ps_check(wlc)); | |
2718 | } | |
2719 | ||
2720 | /* make interface operational */ | |
b4f790ee | 2721 | int wlc_up(wlc_info_t *wlc) |
a2627bc0 | 2722 | { |
a9533e7e HP |
2723 | WL_TRACE(("wl%d: %s:\n", wlc->pub->unit, __func__)); |
2724 | ||
2725 | /* HW is turned off so don't try to access it */ | |
2726 | if (wlc->pub->hw_off || DEVICEREMOVED(wlc)) | |
2727 | return BCME_RADIOOFF; | |
2728 | ||
2729 | if (!wlc->pub->hw_up) { | |
2730 | wlc_bmac_hw_up(wlc->hw); | |
0f0881b0 | 2731 | wlc->pub->hw_up = true; |
a9533e7e HP |
2732 | } |
2733 | ||
2734 | if ((wlc->pub->boardflags & BFL_FEM) | |
2735 | && (CHIPID(wlc->pub->sih->chip) == BCM4313_CHIP_ID)) { | |
2736 | if (wlc->pub->boardrev >= 0x1250 | |
2737 | && (wlc->pub->boardflags & BFL_FEM_BT)) { | |
2738 | wlc_mhf(wlc, MHF5, MHF5_4313_GPIOCTRL, | |
2739 | MHF5_4313_GPIOCTRL, WLC_BAND_ALL); | |
2740 | } else { | |
2741 | wlc_mhf(wlc, MHF4, MHF4_EXTPA_ENABLE, MHF4_EXTPA_ENABLE, | |
2742 | WLC_BAND_ALL); | |
2743 | } | |
2744 | } | |
2745 | ||
2746 | /* | |
2747 | * Need to read the hwradio status here to cover the case where the system | |
2748 | * is loaded with the hw radio disabled. We do not want to bring the driver up in this case. | |
2749 | * if radio is disabled, abort up, lower power, start radio timer and return 0(for NDIS) | |
2750 | * don't call radio_update to avoid looping wlc_up. | |
2751 | * | |
2752 | * wlc_bmac_up_prep() returns either 0 or BCME_RADIOOFF only | |
2753 | */ | |
2754 | if (!wlc->pub->radio_disabled) { | |
2755 | int status = wlc_bmac_up_prep(wlc->hw); | |
2756 | if (status == BCME_RADIOOFF) { | |
2757 | if (!mboolisset | |
2758 | (wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE)) { | |
2759 | int idx; | |
2760 | wlc_bsscfg_t *bsscfg; | |
2761 | mboolset(wlc->pub->radio_disabled, | |
2762 | WL_RADIO_HW_DISABLE); | |
2763 | ||
2764 | FOREACH_BSS(wlc, idx, bsscfg) { | |
2765 | if (!BSSCFG_STA(bsscfg) | |
2766 | || !bsscfg->enable || !bsscfg->BSS) | |
2767 | continue; | |
2768 | WL_ERROR(("wl%d.%d: wlc_up: rfdisable -> " "wlc_bsscfg_disable()\n", wlc->pub->unit, idx)); | |
2769 | } | |
2770 | } | |
2771 | } else | |
2772 | ASSERT(!status); | |
2773 | } | |
2774 | ||
2775 | if (wlc->pub->radio_disabled) { | |
2776 | wlc_radio_monitor_start(wlc); | |
2777 | return 0; | |
2778 | } | |
2779 | ||
2780 | /* wlc_bmac_up_prep has done wlc_corereset(). so clk is on, set it */ | |
0f0881b0 | 2781 | wlc->clk = true; |
a9533e7e HP |
2782 | |
2783 | wlc_radio_monitor_stop(wlc); | |
2784 | ||
2785 | /* Set EDCF hostflags */ | |
2786 | if (EDCF_ENAB(wlc->pub)) { | |
2787 | wlc_mhf(wlc, MHF1, MHF1_EDCF, MHF1_EDCF, WLC_BAND_ALL); | |
2788 | } else { | |
2789 | wlc_mhf(wlc, MHF1, MHF1_EDCF, 0, WLC_BAND_ALL); | |
2790 | } | |
2791 | ||
2792 | if (WLC_WAR16165(wlc)) | |
2793 | wlc_mhf(wlc, MHF2, MHF2_PCISLOWCLKWAR, MHF2_PCISLOWCLKWAR, | |
2794 | WLC_BAND_ALL); | |
2795 | ||
2796 | wl_init(wlc->wl); | |
0f0881b0 | 2797 | wlc->pub->up = true; |
a9533e7e HP |
2798 | |
2799 | if (wlc->bandinit_pending) { | |
2800 | wlc_suspend_mac_and_wait(wlc); | |
2801 | wlc_set_chanspec(wlc, wlc->default_bss->chanspec); | |
0965ae88 | 2802 | wlc->bandinit_pending = false; |
a9533e7e HP |
2803 | wlc_enable_mac(wlc); |
2804 | } | |
2805 | ||
2806 | wlc_bmac_up_finish(wlc->hw); | |
2807 | ||
2808 | /* other software states up after ISR is running */ | |
2809 | /* start APs that were to be brought up but are not up yet */ | |
2810 | /* if (AP_ENAB(wlc->pub)) wlc_restart_ap(wlc->ap); */ | |
2811 | ||
2812 | /* Program the TX wme params with the current settings */ | |
2813 | wlc_wme_retries_write(wlc); | |
2814 | ||
2815 | /* start one second watchdog timer */ | |
2816 | ASSERT(!wlc->WDarmed); | |
0f0881b0 GKH |
2817 | wl_add_timer(wlc->wl, wlc->wdtimer, TIMER_INTERVAL_WATCHDOG, true); |
2818 | wlc->WDarmed = true; | |
a9533e7e HP |
2819 | |
2820 | /* ensure antenna config is up to date */ | |
2821 | wlc_stf_phy_txant_upd(wlc); | |
2822 | /* ensure LDPC config is in sync */ | |
2823 | wlc_ht_update_ldpc(wlc, wlc->stf->ldpc); | |
2824 | ||
90ea2296 | 2825 | return 0; |
a9533e7e HP |
2826 | } |
2827 | ||
2828 | /* Initialize the base precedence map for dequeueing from txq based on WME settings */ | |
b4f790ee | 2829 | static void wlc_tx_prec_map_init(wlc_info_t *wlc) |
a2627bc0 | 2830 | { |
a9533e7e | 2831 | wlc->tx_prec_map = WLC_PREC_BMP_ALL; |
7d4df48e | 2832 | bzero(wlc->fifo2prec_map, sizeof(u16) * NFIFO); |
a9533e7e HP |
2833 | |
2834 | /* For non-WME, both fifos have overlapping MAXPRIO. So just disable all precedences | |
2835 | * if either is full. | |
2836 | */ | |
2837 | if (!EDCF_ENAB(wlc->pub)) { | |
2838 | wlc->fifo2prec_map[TX_DATA_FIFO] = WLC_PREC_BMP_ALL; | |
2839 | wlc->fifo2prec_map[TX_CTL_FIFO] = WLC_PREC_BMP_ALL; | |
2840 | } else { | |
2841 | wlc->fifo2prec_map[TX_AC_BK_FIFO] = WLC_PREC_BMP_AC_BK; | |
2842 | wlc->fifo2prec_map[TX_AC_BE_FIFO] = WLC_PREC_BMP_AC_BE; | |
2843 | wlc->fifo2prec_map[TX_AC_VI_FIFO] = WLC_PREC_BMP_AC_VI; | |
2844 | wlc->fifo2prec_map[TX_AC_VO_FIFO] = WLC_PREC_BMP_AC_VO; | |
2845 | } | |
2846 | } | |
2847 | ||
9927fc2e | 2848 | static uint wlc_down_del_timer(wlc_info_t *wlc) |
a2627bc0 | 2849 | { |
a9533e7e HP |
2850 | uint callbacks = 0; |
2851 | ||
2852 | return callbacks; | |
2853 | } | |
2854 | ||
2855 | /* | |
2856 | * Mark the interface nonoperational, stop the software mechanisms, | |
2857 | * disable the hardware, free any transient buffer state. | |
2858 | * Return a count of the number of driver callbacks still pending. | |
2859 | */ | |
9927fc2e | 2860 | uint wlc_down(wlc_info_t *wlc) |
a2627bc0 | 2861 | { |
a9533e7e HP |
2862 | |
2863 | uint callbacks = 0; | |
2864 | int i; | |
0965ae88 | 2865 | bool dev_gone = false; |
a9533e7e HP |
2866 | wlc_txq_info_t *qi; |
2867 | ||
2868 | WL_TRACE(("wl%d: %s:\n", wlc->pub->unit, __func__)); | |
2869 | ||
2870 | /* check if we are already in the going down path */ | |
2871 | if (wlc->going_down) { | |
2872 | WL_ERROR(("wl%d: %s: Driver going down so return\n", | |
2873 | wlc->pub->unit, __func__)); | |
2874 | return 0; | |
2875 | } | |
2876 | if (!wlc->pub->up) | |
90ea2296 | 2877 | return callbacks; |
a9533e7e HP |
2878 | |
2879 | /* in between, mpc could try to bring down again.. */ | |
0f0881b0 | 2880 | wlc->going_down = true; |
a9533e7e HP |
2881 | |
2882 | callbacks += wlc_bmac_down_prep(wlc->hw); | |
2883 | ||
2884 | dev_gone = DEVICEREMOVED(wlc); | |
2885 | ||
2886 | /* Call any registered down handlers */ | |
2887 | for (i = 0; i < WLC_MAXMODULES; i++) { | |
2888 | if (wlc->modulecb[i].down_fn) | |
2889 | callbacks += | |
2890 | wlc->modulecb[i].down_fn(wlc->modulecb[i].hdl); | |
2891 | } | |
2892 | ||
2893 | /* cancel the watchdog timer */ | |
2894 | if (wlc->WDarmed) { | |
2895 | if (!wl_del_timer(wlc->wl, wlc->wdtimer)) | |
2896 | callbacks++; | |
0965ae88 | 2897 | wlc->WDarmed = false; |
a9533e7e HP |
2898 | } |
2899 | /* cancel all other timers */ | |
2900 | callbacks += wlc_down_del_timer(wlc); | |
2901 | ||
2902 | /* interrupt must have been blocked */ | |
2903 | ASSERT((wlc->macintmask == 0) || !wlc->pub->up); | |
2904 | ||
0965ae88 | 2905 | wlc->pub->up = false; |
a9533e7e | 2906 | |
0965ae88 | 2907 | wlc_phy_mute_upd(wlc->band->pi, false, PHY_MUTE_ALL); |
a9533e7e HP |
2908 | |
2909 | /* clear txq flow control */ | |
2910 | wlc_txflowcontrol_reset(wlc); | |
2911 | ||
2912 | /* flush tx queues */ | |
2913 | for (qi = wlc->tx_queues; qi != NULL; qi = qi->next) { | |
0f0881b0 | 2914 | pktq_flush(wlc->osh, &qi->q, true, NULL, 0); |
a9533e7e HP |
2915 | ASSERT(pktq_empty(&qi->q)); |
2916 | } | |
2917 | ||
2918 | /* flush event queue. | |
2919 | * Should be the last thing done after all the events are generated | |
2920 | * Just delivers the events synchronously instead of waiting for a timer | |
2921 | */ | |
2922 | callbacks += wlc_eventq_down(wlc->eventq); | |
2923 | ||
2924 | callbacks += wlc_bmac_down_finish(wlc->hw); | |
2925 | ||
2926 | /* wlc_bmac_down_finish has done wlc_coredisable(). so clk is off */ | |
0965ae88 | 2927 | wlc->clk = false; |
a9533e7e HP |
2928 | |
2929 | #ifdef WLC_HIGH_ONLY | |
2930 | wlc_rpctx_txreclaim(wlc->rpctx); | |
2931 | #endif | |
2932 | ||
2933 | /* Verify all packets are flushed from the driver */ | |
2934 | if (PKTALLOCED(wlc->osh) != 0) { | |
2935 | WL_ERROR(("%d packets not freed at wlc_down!!!!!!\n", | |
2936 | PKTALLOCED(wlc->osh))); | |
2937 | } | |
2938 | #ifdef BCMDBG | |
2939 | /* Since all the packets should have been freed, | |
2940 | * all callbacks should have been called | |
2941 | */ | |
2942 | for (i = 1; i <= wlc->pub->tunables->maxpktcb; i++) | |
2943 | ASSERT(wlc->pkt_callback[i].fn == NULL); | |
2944 | #endif | |
0965ae88 | 2945 | wlc->going_down = false; |
90ea2296 | 2946 | return callbacks; |
a9533e7e HP |
2947 | } |
2948 | ||
2949 | /* Set the current gmode configuration */ | |
41feb5ed | 2950 | int wlc_set_gmode(wlc_info_t *wlc, u8 gmode, bool config) |
a9533e7e HP |
2951 | { |
2952 | int ret = 0; | |
2953 | uint i; | |
2954 | wlc_rateset_t rs; | |
2955 | /* Default to 54g Auto */ | |
562c8850 | 2956 | s8 shortslot = WLC_SHORTSLOT_AUTO; /* Advertise and use shortslot (-1/0/1 Auto/Off/On) */ |
0965ae88 | 2957 | bool shortslot_restrict = false; /* Restrict association to stations that support shortslot |
a9533e7e | 2958 | */ |
0f0881b0 | 2959 | bool ignore_bcns = true; /* Ignore legacy beacons on the same channel */ |
0965ae88 | 2960 | bool ofdm_basic = false; /* Make 6, 12, and 24 basic rates */ |
a9533e7e | 2961 | int preamble = WLC_PLCP_LONG; /* Advertise and use short preambles (-1/0/1 Auto/Off/On) */ |
0965ae88 | 2962 | bool preamble_restrict = false; /* Restrict association to stations that support short |
a9533e7e HP |
2963 | * preambles |
2964 | */ | |
2965 | wlcband_t *band; | |
2966 | ||
2967 | /* if N-support is enabled, allow Gmode set as long as requested | |
2968 | * Gmode is not GMODE_LEGACY_B | |
2969 | */ | |
2970 | if (N_ENAB(wlc->pub) && gmode == GMODE_LEGACY_B) | |
2971 | return BCME_UNSUPPORTED; | |
2972 | ||
2973 | /* verify that we are dealing with 2G band and grab the band pointer */ | |
2974 | if (wlc->band->bandtype == WLC_BAND_2G) | |
2975 | band = wlc->band; | |
2976 | else if ((NBANDS(wlc) > 1) && | |
2977 | (wlc->bandstate[OTHERBANDUNIT(wlc)]->bandtype == WLC_BAND_2G)) | |
2978 | band = wlc->bandstate[OTHERBANDUNIT(wlc)]; | |
2979 | else | |
2980 | return BCME_BADBAND; | |
2981 | ||
2982 | /* Legacy or bust when no OFDM is supported by regulatory */ | |
2983 | if ((wlc_channel_locale_flags_in_band(wlc->cmi, band->bandunit) & | |
2984 | WLC_NO_OFDM) && (gmode != GMODE_LEGACY_B)) | |
2985 | return BCME_RANGE; | |
2986 | ||
2987 | /* update configuration value */ | |
0f0881b0 | 2988 | if (config == true) |
a9533e7e HP |
2989 | wlc_protection_upd(wlc, WLC_PROT_G_USER, gmode); |
2990 | ||
2991 | /* Clear supported rates filter */ | |
2992 | bzero(&wlc->sup_rates_override, sizeof(wlc_rateset_t)); | |
2993 | ||
2994 | /* Clear rateset override */ | |
2995 | bzero(&rs, sizeof(wlc_rateset_t)); | |
2996 | ||
2997 | switch (gmode) { | |
2998 | case GMODE_LEGACY_B: | |
2999 | shortslot = WLC_SHORTSLOT_OFF; | |
3000 | wlc_rateset_copy(&gphy_legacy_rates, &rs); | |
3001 | ||
3002 | break; | |
3003 | ||
3004 | case GMODE_LRS: | |
3005 | if (AP_ENAB(wlc->pub)) | |
3006 | wlc_rateset_copy(&cck_rates, &wlc->sup_rates_override); | |
3007 | break; | |
3008 | ||
3009 | case GMODE_AUTO: | |
3010 | /* Accept defaults */ | |
3011 | break; | |
3012 | ||
3013 | case GMODE_ONLY: | |
0f0881b0 | 3014 | ofdm_basic = true; |
a9533e7e | 3015 | preamble = WLC_PLCP_SHORT; |
0f0881b0 | 3016 | preamble_restrict = true; |
a9533e7e HP |
3017 | break; |
3018 | ||
3019 | case GMODE_PERFORMANCE: | |
3020 | if (AP_ENAB(wlc->pub)) /* Put all rates into the Supported Rates element */ | |
3021 | wlc_rateset_copy(&cck_ofdm_rates, | |
3022 | &wlc->sup_rates_override); | |
3023 | ||
3024 | shortslot = WLC_SHORTSLOT_ON; | |
0f0881b0 GKH |
3025 | shortslot_restrict = true; |
3026 | ofdm_basic = true; | |
a9533e7e | 3027 | preamble = WLC_PLCP_SHORT; |
0f0881b0 | 3028 | preamble_restrict = true; |
a9533e7e HP |
3029 | break; |
3030 | ||
3031 | default: | |
3032 | /* Error */ | |
3033 | WL_ERROR(("wl%d: %s: invalid gmode %d\n", wlc->pub->unit, | |
3034 | __func__, gmode)); | |
3035 | return BCME_UNSUPPORTED; | |
3036 | } | |
3037 | ||
3038 | /* | |
3039 | * If we are switching to gmode == GMODE_LEGACY_B, | |
3040 | * clean up rate info that may refer to OFDM rates. | |
3041 | */ | |
3042 | if ((gmode == GMODE_LEGACY_B) && (band->gmode != GMODE_LEGACY_B)) { | |
3043 | band->gmode = gmode; | |
3044 | if (band->rspec_override && !IS_CCK(band->rspec_override)) { | |
3045 | band->rspec_override = 0; | |
3046 | wlc_reprate_init(wlc); | |
3047 | } | |
3048 | if (band->mrspec_override && !IS_CCK(band->mrspec_override)) { | |
3049 | band->mrspec_override = 0; | |
3050 | } | |
3051 | } | |
3052 | ||
3053 | band->gmode = gmode; | |
3054 | ||
3055 | wlc->ignore_bcns = ignore_bcns; | |
3056 | ||
3057 | wlc->shortslot_override = shortslot; | |
3058 | ||
3059 | if (AP_ENAB(wlc->pub)) { | |
3060 | /* wlc->ap->shortslot_restrict = shortslot_restrict; */ | |
3061 | wlc->PLCPHdr_override = | |
3062 | (preamble != | |
3063 | WLC_PLCP_LONG) ? WLC_PLCP_SHORT : WLC_PLCP_AUTO; | |
3064 | } | |
3065 | ||
3066 | if ((AP_ENAB(wlc->pub) && preamble != WLC_PLCP_LONG) | |
3067 | || preamble == WLC_PLCP_SHORT) | |
3068 | wlc->default_bss->capability |= DOT11_CAP_SHORT; | |
3069 | else | |
3070 | wlc->default_bss->capability &= ~DOT11_CAP_SHORT; | |
3071 | ||
3072 | /* Update shortslot capability bit for AP and IBSS */ | |
3073 | if ((AP_ENAB(wlc->pub) && shortslot == WLC_SHORTSLOT_AUTO) || | |
3074 | shortslot == WLC_SHORTSLOT_ON) | |
3075 | wlc->default_bss->capability |= DOT11_CAP_SHORTSLOT; | |
3076 | else | |
3077 | wlc->default_bss->capability &= ~DOT11_CAP_SHORTSLOT; | |
3078 | ||
3079 | /* Use the default 11g rateset */ | |
3080 | if (!rs.count) | |
3081 | wlc_rateset_copy(&cck_ofdm_rates, &rs); | |
3082 | ||
3083 | if (ofdm_basic) { | |
3084 | for (i = 0; i < rs.count; i++) { | |
3085 | if (rs.rates[i] == WLC_RATE_6M | |
3086 | || rs.rates[i] == WLC_RATE_12M | |
3087 | || rs.rates[i] == WLC_RATE_24M) | |
3088 | rs.rates[i] |= WLC_RATE_FLAG; | |
3089 | } | |
3090 | } | |
3091 | ||
3092 | /* Set default bss rateset */ | |
3093 | wlc->default_bss->rateset.count = rs.count; | |
3094 | bcopy((char *)rs.rates, (char *)wlc->default_bss->rateset.rates, | |
3095 | sizeof(wlc->default_bss->rateset.rates)); | |
3096 | ||
3097 | return ret; | |
3098 | } | |
3099 | ||
3e26416e | 3100 | static int wlc_nmode_validate(wlc_info_t *wlc, s32 nmode) |
a9533e7e HP |
3101 | { |
3102 | int err = 0; | |
3103 | ||
3104 | switch (nmode) { | |
3105 | ||
3106 | case OFF: | |
3107 | break; | |
3108 | ||
3109 | case AUTO: | |
3110 | case WL_11N_2x2: | |
3111 | case WL_11N_3x3: | |
3112 | if (!(WLC_PHY_11N_CAP(wlc->band))) | |
3113 | err = BCME_BADBAND; | |
3114 | break; | |
3115 | ||
3116 | default: | |
3117 | err = BCME_RANGE; | |
3118 | break; | |
3119 | } | |
3120 | ||
3121 | return err; | |
3122 | } | |
3123 | ||
3e26416e | 3124 | int wlc_set_nmode(wlc_info_t *wlc, s32 nmode) |
a9533e7e HP |
3125 | { |
3126 | uint i; | |
3127 | int err; | |
3128 | ||
3129 | err = wlc_nmode_validate(wlc, nmode); | |
3130 | ASSERT(err == 0); | |
3131 | if (err) | |
3132 | return err; | |
3133 | ||
3134 | switch (nmode) { | |
3135 | case OFF: | |
3136 | wlc->pub->_n_enab = OFF; | |
3137 | wlc->default_bss->flags &= ~WLC_BSS_HT; | |
3138 | /* delete the mcs rates from the default and hw ratesets */ | |
3139 | wlc_rateset_mcs_clear(&wlc->default_bss->rateset); | |
3140 | for (i = 0; i < NBANDS(wlc); i++) { | |
3141 | memset(wlc->bandstate[i]->hw_rateset.mcs, 0, | |
3142 | MCSSET_LEN); | |
3143 | if (IS_MCS(wlc->band->rspec_override)) { | |
3144 | wlc->bandstate[i]->rspec_override = 0; | |
3145 | wlc_reprate_init(wlc); | |
3146 | } | |
3147 | if (IS_MCS(wlc->band->mrspec_override)) | |
3148 | wlc->bandstate[i]->mrspec_override = 0; | |
3149 | } | |
3150 | break; | |
3151 | ||
3152 | case AUTO: | |
3153 | if (wlc->stf->txstreams == WL_11N_3x3) | |
3154 | nmode = WL_11N_3x3; | |
3155 | else | |
3156 | nmode = WL_11N_2x2; | |
3157 | case WL_11N_2x2: | |
3158 | case WL_11N_3x3: | |
3159 | ASSERT(WLC_PHY_11N_CAP(wlc->band)); | |
3160 | /* force GMODE_AUTO if NMODE is ON */ | |
0f0881b0 | 3161 | wlc_set_gmode(wlc, GMODE_AUTO, true); |
a9533e7e HP |
3162 | if (nmode == WL_11N_3x3) |
3163 | wlc->pub->_n_enab = SUPPORT_HT; | |
3164 | else | |
3165 | wlc->pub->_n_enab = SUPPORT_11N; | |
3166 | wlc->default_bss->flags |= WLC_BSS_HT; | |
3167 | /* add the mcs rates to the default and hw ratesets */ | |
3168 | wlc_rateset_mcs_build(&wlc->default_bss->rateset, | |
3169 | wlc->stf->txstreams); | |
3170 | for (i = 0; i < NBANDS(wlc); i++) | |
3171 | memcpy(wlc->bandstate[i]->hw_rateset.mcs, | |
3172 | wlc->default_bss->rateset.mcs, MCSSET_LEN); | |
3173 | break; | |
3174 | ||
3175 | default: | |
3176 | ASSERT(0); | |
3177 | break; | |
3178 | } | |
3179 | ||
3180 | return err; | |
3181 | } | |
3182 | ||
7cc4a4c0 | 3183 | static int wlc_set_rateset(wlc_info_t *wlc, wlc_rateset_t *rs_arg) |
a9533e7e HP |
3184 | { |
3185 | wlc_rateset_t rs, new; | |
3186 | uint bandunit; | |
3187 | ||
3188 | bcopy((char *)rs_arg, (char *)&rs, sizeof(wlc_rateset_t)); | |
3189 | ||
3190 | /* check for bad count value */ | |
3191 | if ((rs.count == 0) || (rs.count > WLC_NUMRATES)) | |
3192 | return BCME_BADRATESET; | |
3193 | ||
3194 | /* try the current band */ | |
3195 | bandunit = wlc->band->bandunit; | |
3196 | bcopy((char *)&rs, (char *)&new, sizeof(wlc_rateset_t)); | |
3197 | if (wlc_rate_hwrs_filter_sort_validate | |
0f0881b0 | 3198 | (&new, &wlc->bandstate[bandunit]->hw_rateset, true, |
a9533e7e HP |
3199 | wlc->stf->txstreams)) |
3200 | goto good; | |
3201 | ||
3202 | /* try the other band */ | |
3203 | if (IS_MBAND_UNLOCKED(wlc)) { | |
3204 | bandunit = OTHERBANDUNIT(wlc); | |
3205 | bcopy((char *)&rs, (char *)&new, sizeof(wlc_rateset_t)); | |
3206 | if (wlc_rate_hwrs_filter_sort_validate(&new, | |
3207 | &wlc-> | |
3208 | bandstate[bandunit]-> | |
0f0881b0 | 3209 | hw_rateset, true, |
a9533e7e HP |
3210 | wlc->stf->txstreams)) |
3211 | goto good; | |
3212 | } | |
3213 | ||
3214 | return BCME_ERROR; | |
3215 | ||
3216 | good: | |
3217 | /* apply new rateset */ | |
3218 | bcopy((char *)&new, (char *)&wlc->default_bss->rateset, | |
3219 | sizeof(wlc_rateset_t)); | |
3220 | bcopy((char *)&new, (char *)&wlc->bandstate[bandunit]->defrateset, | |
3221 | sizeof(wlc_rateset_t)); | |
90ea2296 | 3222 | return 0; |
a9533e7e HP |
3223 | } |
3224 | ||
3225 | /* simplified integer set interface for common ioctl handler */ | |
7cc4a4c0 | 3226 | int wlc_set(wlc_info_t *wlc, int cmd, int arg) |
a9533e7e HP |
3227 | { |
3228 | return wlc_ioctl(wlc, cmd, (void *)&arg, sizeof(arg), NULL); | |
3229 | } | |
3230 | ||
3231 | /* simplified integer get interface for common ioctl handler */ | |
7cc4a4c0 | 3232 | int wlc_get(wlc_info_t *wlc, int cmd, int *arg) |
a9533e7e HP |
3233 | { |
3234 | return wlc_ioctl(wlc, cmd, arg, sizeof(int), NULL); | |
3235 | } | |
3236 | ||
7cc4a4c0 | 3237 | static void wlc_ofdm_rateset_war(wlc_info_t *wlc) |
a9533e7e | 3238 | { |
41feb5ed | 3239 | u8 r; |
0965ae88 | 3240 | bool war = false; |
a9533e7e HP |
3241 | |
3242 | if (wlc->cfg->associated) | |
3243 | r = wlc->cfg->current_bss->rateset.rates[0]; | |
3244 | else | |
3245 | r = wlc->default_bss->rateset.rates[0]; | |
3246 | ||
3247 | wlc_phy_ofdm_rateset_war(wlc->band->pi, war); | |
3248 | ||
3249 | return; | |
3250 | } | |
3251 | ||
3252 | int | |
7cc4a4c0 | 3253 | wlc_ioctl(wlc_info_t *wlc, int cmd, void *arg, int len, struct wlc_if *wlcif) |
a9533e7e | 3254 | { |
90ea2296 | 3255 | return _wlc_ioctl(wlc, cmd, arg, len, wlcif); |
a9533e7e HP |
3256 | } |
3257 | ||
3258 | /* common ioctl handler. return: 0=ok, -1=error, positive=particular error */ | |
3259 | static int | |
7cc4a4c0 | 3260 | _wlc_ioctl(wlc_info_t *wlc, int cmd, void *arg, int len, struct wlc_if *wlcif) |
a9533e7e HP |
3261 | { |
3262 | int val, *pval; | |
3263 | bool bool_val; | |
3264 | int bcmerror; | |
3265 | d11regs_t *regs; | |
3266 | uint i; | |
3267 | struct scb *nextscb; | |
3268 | bool ta_ok; | |
3269 | uint band; | |
3270 | rw_reg_t *r; | |
3271 | wlc_bsscfg_t *bsscfg; | |
3272 | osl_t *osh; | |
3273 | wlc_bss_info_t *current_bss; | |
3274 | ||
3275 | /* update bsscfg pointer */ | |
3276 | bsscfg = NULL; /* XXX: Hack bsscfg to be size one and use this globally */ | |
3277 | current_bss = NULL; | |
3278 | ||
3279 | /* initialize the following to get rid of compiler warning */ | |
3280 | nextscb = NULL; | |
0965ae88 | 3281 | ta_ok = false; |
a9533e7e HP |
3282 | band = 0; |
3283 | r = NULL; | |
3284 | ||
3285 | /* If the device is turned off, then it's not "removed" */ | |
3286 | if (!wlc->pub->hw_off && DEVICEREMOVED(wlc)) { | |
3287 | WL_ERROR(("wl%d: %s: dead chip\n", wlc->pub->unit, __func__)); | |
3288 | wl_down(wlc->wl); | |
3289 | return BCME_ERROR; | |
3290 | } | |
3291 | ||
3292 | ASSERT(!(wlc->pub->hw_off && wlc->pub->up)); | |
3293 | ||
3294 | /* default argument is generic integer */ | |
2ae3b7ea | 3295 | pval = arg ? (int *)arg:NULL; |
a9533e7e HP |
3296 | |
3297 | /* This will prevent the misaligned access */ | |
66cbd3ab | 3298 | if (pval && (u32) len >= sizeof(val)) |
a9533e7e HP |
3299 | bcopy(pval, &val, sizeof(val)); |
3300 | else | |
3301 | val = 0; | |
3302 | ||
3303 | /* bool conversion to avoid duplication below */ | |
3304 | bool_val = val != 0; | |
3305 | ||
3306 | if (cmd != WLC_SET_CHANNEL) | |
3307 | WL_NONE(("WLC_IOCTL: cmd %d val 0x%x (%d) len %d\n", cmd, | |
3308 | (uint) val, val, len)); | |
3309 | ||
3310 | bcmerror = 0; | |
3311 | regs = wlc->regs; | |
3312 | osh = wlc->osh; | |
3313 | ||
3314 | /* A few commands don't need any arguments; all the others do. */ | |
3315 | switch (cmd) { | |
3316 | case WLC_UP: | |
3317 | case WLC_OUT: | |
3318 | case WLC_DOWN: | |
3319 | case WLC_DISASSOC: | |
3320 | case WLC_RESTART: | |
3321 | case WLC_REBOOT: | |
3322 | case WLC_START_CHANNEL_QA: | |
3323 | case WLC_INIT: | |
3324 | break; | |
3325 | ||
3326 | default: | |
3327 | if ((arg == NULL) || (len <= 0)) { | |
3328 | WL_ERROR(("wl%d: %s: Command %d needs arguments\n", | |
3329 | wlc->pub->unit, __func__, cmd)); | |
3330 | bcmerror = BCME_BADARG; | |
3331 | goto done; | |
3332 | } | |
3333 | } | |
3334 | ||
3335 | switch (cmd) { | |
3336 | ||
3337 | #if defined(BCMDBG) | |
3338 | case WLC_GET_MSGLEVEL: | |
3339 | *pval = wl_msg_level; | |
3340 | break; | |
3341 | ||
3342 | case WLC_SET_MSGLEVEL: | |
3343 | wl_msg_level = val; | |
3344 | break; | |
3345 | #endif | |
3346 | ||
3347 | case WLC_GET_INSTANCE: | |
3348 | *pval = wlc->pub->unit; | |
3349 | break; | |
3350 | ||
3351 | case WLC_GET_CHANNEL:{ | |
3352 | channel_info_t *ci = (channel_info_t *) arg; | |
3353 | ||
3354 | ASSERT(len > (int)sizeof(ci)); | |
3355 | ||
3356 | ci->hw_channel = | |
3357 | CHSPEC_CHANNEL(WLC_BAND_PI_RADIO_CHANSPEC); | |
3358 | ci->target_channel = | |
3359 | CHSPEC_CHANNEL(wlc->default_bss->chanspec); | |
3360 | ci->scan_channel = 0; | |
3361 | ||
3362 | break; | |
3363 | } | |
3364 | ||
3365 | case WLC_SET_CHANNEL:{ | |
3366 | chanspec_t chspec = CH20MHZ_CHSPEC(val); | |
3367 | ||
3368 | if (val < 0 || val > MAXCHANNEL) { | |
3369 | bcmerror = BCME_OUTOFRANGECHAN; | |
3370 | break; | |
3371 | } | |
3372 | ||
3373 | if (!wlc_valid_chanspec_db(wlc->cmi, chspec)) { | |
3374 | bcmerror = BCME_BADCHAN; | |
3375 | break; | |
3376 | } | |
3377 | ||
3378 | if (!wlc->pub->up && IS_MBAND_UNLOCKED(wlc)) { | |
3379 | if (wlc->band->bandunit != | |
3380 | CHSPEC_WLCBANDUNIT(chspec)) | |
0f0881b0 | 3381 | wlc->bandinit_pending = true; |
a9533e7e | 3382 | else |
0965ae88 | 3383 | wlc->bandinit_pending = false; |
a9533e7e HP |
3384 | } |
3385 | ||
3386 | wlc->default_bss->chanspec = chspec; | |
3387 | /* wlc_BSSinit() will sanitize the rateset before using it.. */ | |
3388 | if (wlc->pub->up && !wlc->pub->associated && | |
3389 | (WLC_BAND_PI_RADIO_CHANSPEC != chspec)) { | |
3390 | wlc_set_home_chanspec(wlc, chspec); | |
3391 | wlc_suspend_mac_and_wait(wlc); | |
3392 | wlc_set_chanspec(wlc, chspec); | |
3393 | wlc_enable_mac(wlc); | |
3394 | } | |
3395 | #ifdef WLC_HIGH_ONLY | |
3396 | /* delay for channel change */ | |
3397 | msleep(50); | |
3398 | #endif | |
3399 | break; | |
3400 | } | |
3401 | ||
3402 | #if defined(BCMDBG) | |
3403 | case WLC_GET_UCFLAGS: | |
3404 | if (!wlc->pub->up) { | |
3405 | bcmerror = BCME_NOTUP; | |
3406 | break; | |
3407 | } | |
3408 | ||
3409 | /* optional band is stored in the second integer of incoming buffer */ | |
3410 | band = | |
3411 | (len < | |
3412 | (int)(2 * sizeof(int))) ? WLC_BAND_AUTO : ((int *)arg)[1]; | |
3413 | ||
3414 | /* bcmerror checking */ | |
ca8c1e59 JC |
3415 | bcmerror = wlc_iocregchk(wlc, band); |
3416 | if (bcmerror) | |
a9533e7e HP |
3417 | break; |
3418 | ||
3419 | if (val >= MHFMAX) { | |
3420 | bcmerror = BCME_RANGE; | |
3421 | break; | |
3422 | } | |
3423 | ||
41feb5ed | 3424 | *pval = wlc_bmac_mhf_get(wlc->hw, (u8) val, WLC_BAND_AUTO); |
a9533e7e HP |
3425 | break; |
3426 | ||
3427 | case WLC_SET_UCFLAGS: | |
3428 | if (!wlc->pub->up) { | |
3429 | bcmerror = BCME_NOTUP; | |
3430 | break; | |
3431 | } | |
3432 | ||
3433 | /* optional band is stored in the second integer of incoming buffer */ | |
3434 | band = | |
3435 | (len < | |
3436 | (int)(2 * sizeof(int))) ? WLC_BAND_AUTO : ((int *)arg)[1]; | |
3437 | ||
3438 | /* bcmerror checking */ | |
ca8c1e59 JC |
3439 | bcmerror = wlc_iocregchk(wlc, band); |
3440 | if (bcmerror) | |
a9533e7e HP |
3441 | break; |
3442 | ||
7d4df48e | 3443 | i = (u16) val; |
a9533e7e HP |
3444 | if (i >= MHFMAX) { |
3445 | bcmerror = BCME_RANGE; | |
3446 | break; | |
3447 | } | |
3448 | ||
7d4df48e | 3449 | wlc_mhf(wlc, (u8) i, 0xffff, (u16) (val >> NBITS(u16)), |
a9533e7e HP |
3450 | WLC_BAND_AUTO); |
3451 | break; | |
3452 | ||
3453 | case WLC_GET_SHMEM: | |
0f0881b0 | 3454 | ta_ok = true; |
a9533e7e HP |
3455 | |
3456 | /* optional band is stored in the second integer of incoming buffer */ | |
3457 | band = | |
3458 | (len < | |
3459 | (int)(2 * sizeof(int))) ? WLC_BAND_AUTO : ((int *)arg)[1]; | |
3460 | ||
3461 | /* bcmerror checking */ | |
ca8c1e59 JC |
3462 | bcmerror = wlc_iocregchk(wlc, band); |
3463 | if (bcmerror) | |
a9533e7e HP |
3464 | break; |
3465 | ||
3466 | if (val & 1) { | |
3467 | bcmerror = BCME_BADADDR; | |
3468 | break; | |
3469 | } | |
3470 | ||
7d4df48e | 3471 | *pval = wlc_read_shm(wlc, (u16) val); |
a9533e7e HP |
3472 | break; |
3473 | ||
3474 | case WLC_SET_SHMEM: | |
0f0881b0 | 3475 | ta_ok = true; |
a9533e7e HP |
3476 | |
3477 | /* optional band is stored in the second integer of incoming buffer */ | |
3478 | band = | |
3479 | (len < | |
3480 | (int)(2 * sizeof(int))) ? WLC_BAND_AUTO : ((int *)arg)[1]; | |
3481 | ||
3482 | /* bcmerror checking */ | |
ca8c1e59 JC |
3483 | bcmerror = wlc_iocregchk(wlc, band); |
3484 | if (bcmerror) | |
a9533e7e HP |
3485 | break; |
3486 | ||
3487 | if (val & 1) { | |
3488 | bcmerror = BCME_BADADDR; | |
3489 | break; | |
3490 | } | |
3491 | ||
7d4df48e GKH |
3492 | wlc_write_shm(wlc, (u16) val, |
3493 | (u16) (val >> NBITS(u16))); | |
a9533e7e HP |
3494 | break; |
3495 | ||
3496 | case WLC_R_REG: /* MAC registers */ | |
0f0881b0 | 3497 | ta_ok = true; |
a9533e7e HP |
3498 | r = (rw_reg_t *) arg; |
3499 | band = WLC_BAND_AUTO; | |
3500 | ||
3501 | if (len < (int)(sizeof(rw_reg_t) - sizeof(uint))) { | |
3502 | bcmerror = BCME_BUFTOOSHORT; | |
3503 | break; | |
3504 | } | |
3505 | ||
3506 | if (len >= (int)sizeof(rw_reg_t)) | |
3507 | band = r->band; | |
3508 | ||
3509 | /* bcmerror checking */ | |
ca8c1e59 JC |
3510 | bcmerror = wlc_iocregchk(wlc, band); |
3511 | if (bcmerror) | |
a9533e7e HP |
3512 | break; |
3513 | ||
3514 | if ((r->byteoff + r->size) > sizeof(d11regs_t)) { | |
3515 | bcmerror = BCME_BADADDR; | |
3516 | break; | |
3517 | } | |
66cbd3ab | 3518 | if (r->size == sizeof(u32)) |
a9533e7e HP |
3519 | r->val = |
3520 | R_REG(osh, | |
f024c48a | 3521 | (u32 *)((unsigned char *)(unsigned long)regs + |
a9533e7e | 3522 | r->byteoff)); |
7d4df48e | 3523 | else if (r->size == sizeof(u16)) |
a9533e7e HP |
3524 | r->val = |
3525 | R_REG(osh, | |
f024c48a | 3526 | (u16 *)((unsigned char *)(unsigned long)regs + |
a9533e7e HP |
3527 | r->byteoff)); |
3528 | else | |
3529 | bcmerror = BCME_BADADDR; | |
3530 | break; | |
3531 | ||
3532 | case WLC_W_REG: | |
0f0881b0 | 3533 | ta_ok = true; |
a9533e7e HP |
3534 | r = (rw_reg_t *) arg; |
3535 | band = WLC_BAND_AUTO; | |
3536 | ||
3537 | if (len < (int)(sizeof(rw_reg_t) - sizeof(uint))) { | |
3538 | bcmerror = BCME_BUFTOOSHORT; | |
3539 | break; | |
3540 | } | |
3541 | ||
3542 | if (len >= (int)sizeof(rw_reg_t)) | |
3543 | band = r->band; | |
3544 | ||
3545 | /* bcmerror checking */ | |
ca8c1e59 JC |
3546 | bcmerror = wlc_iocregchk(wlc, band); |
3547 | if (bcmerror) | |
a9533e7e HP |
3548 | break; |
3549 | ||
3550 | if (r->byteoff + r->size > sizeof(d11regs_t)) { | |
3551 | bcmerror = BCME_BADADDR; | |
3552 | break; | |
3553 | } | |
66cbd3ab | 3554 | if (r->size == sizeof(u32)) |
a9533e7e | 3555 | W_REG(osh, |
f024c48a | 3556 | (u32 *)((unsigned char *)(unsigned long) regs + |
a9533e7e | 3557 | r->byteoff), r->val); |
7d4df48e | 3558 | else if (r->size == sizeof(u16)) |
a9533e7e | 3559 | W_REG(osh, |
f024c48a | 3560 | (u16 *)((unsigned char *)(unsigned long) regs + |
a9533e7e HP |
3561 | r->byteoff), r->val); |
3562 | else | |
3563 | bcmerror = BCME_BADADDR; | |
3564 | break; | |
3565 | #endif /* BCMDBG */ | |
3566 | ||
3567 | case WLC_GET_TXANT: | |
3568 | *pval = wlc->stf->txant; | |
3569 | break; | |
3570 | ||
3571 | case WLC_SET_TXANT: | |
562c8850 | 3572 | bcmerror = wlc_stf_ant_txant_validate(wlc, (s8) val); |
a9533e7e HP |
3573 | if (bcmerror < 0) |
3574 | break; | |
3575 | ||
562c8850 | 3576 | wlc->stf->txant = (s8) val; |
a9533e7e HP |
3577 | |
3578 | /* if down, we are done */ | |
3579 | if (!wlc->pub->up) | |
3580 | break; | |
3581 | ||
3582 | wlc_suspend_mac_and_wait(wlc); | |
3583 | ||
3584 | wlc_stf_phy_txant_upd(wlc); | |
3585 | wlc_beacon_phytxctl_txant_upd(wlc, wlc->bcn_rspec); | |
3586 | ||
3587 | wlc_enable_mac(wlc); | |
3588 | ||
3589 | break; | |
3590 | ||
3591 | case WLC_GET_ANTDIV:{ | |
41feb5ed | 3592 | u8 phy_antdiv; |
a9533e7e HP |
3593 | |
3594 | /* return configured value if core is down */ | |
3595 | if (!wlc->pub->up) { | |
3596 | *pval = wlc->stf->ant_rx_ovr; | |
3597 | ||
3598 | } else { | |
3599 | if (wlc_phy_ant_rxdiv_get | |
3600 | (wlc->band->pi, &phy_antdiv)) | |
3601 | *pval = (int)phy_antdiv; | |
3602 | else | |
3603 | *pval = (int)wlc->stf->ant_rx_ovr; | |
3604 | } | |
3605 | ||
3606 | break; | |
3607 | } | |
3608 | case WLC_SET_ANTDIV: | |
3609 | /* values are -1=driver default, 0=force0, 1=force1, 2=start1, 3=start0 */ | |
3610 | if ((val < -1) || (val > 3)) { | |
3611 | bcmerror = BCME_RANGE; | |
3612 | break; | |
3613 | } | |
3614 | ||
3615 | if (val == -1) | |
3616 | val = ANT_RX_DIV_DEF; | |
3617 | ||
41feb5ed GKH |
3618 | wlc->stf->ant_rx_ovr = (u8) val; |
3619 | wlc_phy_ant_rxdiv_set(wlc->band->pi, (u8) val); | |
a9533e7e HP |
3620 | break; |
3621 | ||
3622 | case WLC_GET_RX_ANT:{ /* get latest used rx antenna */ | |
7d4df48e | 3623 | u16 rxstatus; |
a9533e7e HP |
3624 | |
3625 | if (!wlc->pub->up) { | |
3626 | bcmerror = BCME_NOTUP; | |
3627 | break; | |
3628 | } | |
3629 | ||
3630 | rxstatus = R_REG(wlc->osh, &wlc->regs->phyrxstatus0); | |
7d4df48e | 3631 | if (rxstatus == 0xdead || rxstatus == (u16) -1) { |
a9533e7e HP |
3632 | bcmerror = BCME_ERROR; |
3633 | break; | |
3634 | } | |
3635 | *pval = (rxstatus & PRXS0_RXANT_UPSUBBAND) ? 1 : 0; | |
3636 | break; | |
3637 | } | |
3638 | ||
3639 | #if defined(BCMDBG) | |
3640 | case WLC_GET_UCANTDIV: | |
3641 | if (!wlc->clk) { | |
3642 | bcmerror = BCME_NOCLK; | |
3643 | break; | |
3644 | } | |
3645 | ||
3646 | *pval = | |
3647 | (wlc_bmac_mhf_get(wlc->hw, MHF1, WLC_BAND_AUTO) & | |
3648 | MHF1_ANTDIV); | |
3649 | break; | |
3650 | ||
3651 | case WLC_SET_UCANTDIV:{ | |
3652 | if (!wlc->pub->up) { | |
3653 | bcmerror = BCME_NOTUP; | |
3654 | break; | |
3655 | } | |
3656 | ||
3657 | /* if multiband, band must be locked */ | |
3658 | if (IS_MBAND_UNLOCKED(wlc)) { | |
3659 | bcmerror = BCME_NOTBANDLOCKED; | |
3660 | break; | |
3661 | } | |
3662 | ||
3663 | /* 4322 supports antdiv in phy, no need to set it to ucode */ | |
3664 | if (WLCISNPHY(wlc->band) | |
3665 | && D11REV_IS(wlc->pub->corerev, 16)) { | |
3666 | WL_ERROR(("wl%d: can't set ucantdiv for 4322\n", | |
3667 | wlc->pub->unit)); | |
3668 | bcmerror = BCME_UNSUPPORTED; | |
3669 | } else | |
3670 | wlc_mhf(wlc, MHF1, MHF1_ANTDIV, | |
3671 | (val ? MHF1_ANTDIV : 0), WLC_BAND_AUTO); | |
3672 | break; | |
3673 | } | |
3674 | #endif /* defined(BCMDBG) */ | |
3675 | ||
3676 | case WLC_GET_SRL: | |
3677 | *pval = wlc->SRL; | |
3678 | break; | |
3679 | ||
3680 | case WLC_SET_SRL: | |
3681 | if (val >= 1 && val <= RETRY_SHORT_MAX) { | |
3682 | int ac; | |
7d4df48e | 3683 | wlc->SRL = (u16) val; |
a9533e7e HP |
3684 | |
3685 | wlc_bmac_retrylimit_upd(wlc->hw, wlc->SRL, wlc->LRL); | |
3686 | ||
3687 | for (ac = 0; ac < AC_COUNT; ac++) { | |
3688 | WLC_WME_RETRY_SHORT_SET(wlc, ac, wlc->SRL); | |
3689 | } | |
3690 | wlc_wme_retries_write(wlc); | |
3691 | } else | |
3692 | bcmerror = BCME_RANGE; | |
3693 | break; | |
3694 | ||
3695 | case WLC_GET_LRL: | |
3696 | *pval = wlc->LRL; | |
3697 | break; | |
3698 | ||
3699 | case WLC_SET_LRL: | |
3700 | if (val >= 1 && val <= 255) { | |
3701 | int ac; | |
7d4df48e | 3702 | wlc->LRL = (u16) val; |
a9533e7e HP |
3703 | |
3704 | wlc_bmac_retrylimit_upd(wlc->hw, wlc->SRL, wlc->LRL); | |
3705 | ||
3706 | for (ac = 0; ac < AC_COUNT; ac++) { | |
3707 | WLC_WME_RETRY_LONG_SET(wlc, ac, wlc->LRL); | |
3708 | } | |
3709 | wlc_wme_retries_write(wlc); | |
3710 | } else | |
3711 | bcmerror = BCME_RANGE; | |
3712 | break; | |
3713 | ||
3714 | case WLC_GET_CWMIN: | |
3715 | *pval = wlc->band->CWmin; | |
3716 | break; | |
3717 | ||
3718 | case WLC_SET_CWMIN: | |
3719 | if (!wlc->clk) { | |
3720 | bcmerror = BCME_NOCLK; | |
3721 | break; | |
3722 | } | |
3723 | ||
3724 | if (val >= 1 && val <= 255) { | |
7d4df48e | 3725 | wlc_set_cwmin(wlc, (u16) val); |
a9533e7e HP |
3726 | } else |
3727 | bcmerror = BCME_RANGE; | |
3728 | break; | |
3729 | ||
3730 | case WLC_GET_CWMAX: | |
3731 | *pval = wlc->band->CWmax; | |
3732 | break; | |
3733 | ||
3734 | case WLC_SET_CWMAX: | |
3735 | if (!wlc->clk) { | |
3736 | bcmerror = BCME_NOCLK; | |
3737 | break; | |
3738 | } | |
3739 | ||
3740 | if (val >= 255 && val <= 2047) { | |
7d4df48e | 3741 | wlc_set_cwmax(wlc, (u16) val); |
a9533e7e HP |
3742 | } else |
3743 | bcmerror = BCME_RANGE; | |
3744 | break; | |
3745 | ||
3746 | case WLC_GET_RADIO: /* use mask if don't want to expose some internal bits */ | |
3747 | *pval = wlc->pub->radio_disabled; | |
3748 | break; | |
3749 | ||
3750 | case WLC_SET_RADIO:{ /* 32 bits input, higher 16 bits are mask, lower 16 bits are value to | |
3751 | * set | |
3752 | */ | |
7d4df48e | 3753 | u16 radiomask, radioval; |
a9533e7e HP |
3754 | uint validbits = |
3755 | WL_RADIO_SW_DISABLE | WL_RADIO_HW_DISABLE; | |
3756 | mbool new = 0; | |
3757 | ||
3758 | radiomask = (val & 0xffff0000) >> 16; | |
3759 | radioval = val & 0x0000ffff; | |
3760 | ||
3761 | if ((radiomask == 0) || (radiomask & ~validbits) | |
3762 | || (radioval & ~validbits) | |
3763 | || ((radioval & ~radiomask) != 0)) { | |
3764 | WL_ERROR(("SET_RADIO with wrong bits 0x%x\n", | |
3765 | val)); | |
3766 | bcmerror = BCME_RANGE; | |
3767 | break; | |
3768 | } | |
3769 | ||
3770 | new = | |
3771 | (wlc->pub->radio_disabled & ~radiomask) | radioval; | |
3772 | wlc->pub->radio_disabled = new; | |
3773 | ||
3774 | wlc_radio_hwdisable_upd(wlc); | |
3775 | wlc_radio_upd(wlc); | |
3776 | break; | |
3777 | } | |
3778 | ||
3779 | case WLC_GET_PHYTYPE: | |
3780 | *pval = WLC_PHYTYPE(wlc->band->phytype); | |
3781 | break; | |
3782 | ||
3783 | #if defined(BCMDBG) | |
3784 | case WLC_GET_KEY: | |
3785 | if ((val >= 0) && (val < WLC_MAX_WSEC_KEYS(wlc))) { | |
3786 | wl_wsec_key_t key; | |
3787 | ||
3788 | wsec_key_t *src_key = wlc->wsec_keys[val]; | |
3789 | ||
3790 | if (len < (int)sizeof(key)) { | |
3791 | bcmerror = BCME_BUFTOOSHORT; | |
3792 | break; | |
3793 | } | |
3794 | ||
3795 | bzero((char *)&key, sizeof(key)); | |
3796 | if (src_key) { | |
3797 | key.index = src_key->id; | |
3798 | key.len = src_key->len; | |
3799 | bcopy(src_key->data, key.data, key.len); | |
3800 | key.algo = src_key->algo; | |
3801 | if (WSEC_SOFTKEY(wlc, src_key, bsscfg)) | |
3802 | key.flags |= WL_SOFT_KEY; | |
3803 | if (src_key->flags & WSEC_PRIMARY_KEY) | |
3804 | key.flags |= WL_PRIMARY_KEY; | |
3805 | ||
3806 | bcopy(src_key->ea.octet, key.ea.octet, | |
3807 | ETHER_ADDR_LEN); | |
3808 | } | |
3809 | ||
3810 | bcopy((char *)&key, arg, sizeof(key)); | |
3811 | } else | |
3812 | bcmerror = BCME_BADKEYIDX; | |
3813 | break; | |
3814 | #endif /* defined(BCMDBG) */ | |
3815 | ||
3816 | case WLC_SET_KEY: | |
3817 | bcmerror = | |
3818 | wlc_iovar_op(wlc, "wsec_key", NULL, 0, arg, len, IOV_SET, | |
3819 | wlcif); | |
3820 | break; | |
3821 | ||
3822 | case WLC_GET_KEY_SEQ:{ | |
3823 | wsec_key_t *key; | |
3824 | ||
3825 | if (len < DOT11_WPA_KEY_RSC_LEN) { | |
3826 | bcmerror = BCME_BUFTOOSHORT; | |
3827 | break; | |
3828 | } | |
3829 | ||
3830 | /* Return the key's tx iv as an EAPOL sequence counter. | |
3831 | * This will be used to supply the RSC value to a supplicant. | |
3832 | * The format is 8 bytes, with least significant in seq[0]. | |
3833 | */ | |
3834 | ||
ca8c1e59 | 3835 | key = WSEC_KEY(wlc, val); |
a9533e7e | 3836 | if ((val >= 0) && (val < WLC_MAX_WSEC_KEYS(wlc)) && |
ca8c1e59 | 3837 | (key != NULL)) { |
41feb5ed | 3838 | u8 seq[DOT11_WPA_KEY_RSC_LEN]; |
7d4df48e | 3839 | u16 lo; |
66cbd3ab | 3840 | u32 hi; |
a9533e7e HP |
3841 | /* group keys in WPA-NONE (IBSS only, AES and TKIP) use a global TXIV */ |
3842 | if ((bsscfg->WPA_auth & WPA_AUTH_NONE) | |
3843 | && ETHER_ISNULLADDR(&key->ea)) { | |
3844 | lo = bsscfg->wpa_none_txiv.lo; | |
3845 | hi = bsscfg->wpa_none_txiv.hi; | |
3846 | } else { | |
3847 | lo = key->txiv.lo; | |
3848 | hi = key->txiv.hi; | |
3849 | } | |
3850 | ||
3851 | /* format the buffer, low to high */ | |
3852 | seq[0] = lo & 0xff; | |
3853 | seq[1] = (lo >> 8) & 0xff; | |
3854 | seq[2] = hi & 0xff; | |
3855 | seq[3] = (hi >> 8) & 0xff; | |
3856 | seq[4] = (hi >> 16) & 0xff; | |
3857 | seq[5] = (hi >> 24) & 0xff; | |
3858 | seq[6] = 0; | |
3859 | seq[7] = 0; | |
3860 | ||
3861 | bcopy((char *)seq, arg, sizeof(seq)); | |
3862 | } else { | |
3863 | bcmerror = BCME_BADKEYIDX; | |
3864 | } | |
3865 | break; | |
3866 | } | |
3867 | ||
3868 | case WLC_GET_CURR_RATESET:{ | |
3869 | wl_rateset_t *ret_rs = (wl_rateset_t *) arg; | |
3870 | wlc_rateset_t *rs; | |
3871 | ||
3872 | if (bsscfg->associated) | |
3873 | rs = ¤t_bss->rateset; | |
3874 | else | |
3875 | rs = &wlc->default_bss->rateset; | |
3876 | ||
3877 | if (len < (int)(rs->count + sizeof(rs->count))) { | |
3878 | bcmerror = BCME_BUFTOOSHORT; | |
3879 | break; | |
3880 | } | |
3881 | ||
3882 | /* Copy only legacy rateset section */ | |
3883 | ret_rs->count = rs->count; | |
3884 | bcopy(&rs->rates, &ret_rs->rates, rs->count); | |
3885 | break; | |
3886 | } | |
3887 | ||
3888 | case WLC_GET_RATESET:{ | |
3889 | wlc_rateset_t rs; | |
3890 | wl_rateset_t *ret_rs = (wl_rateset_t *) arg; | |
3891 | ||
3892 | bzero(&rs, sizeof(wlc_rateset_t)); | |
29c4275a | 3893 | wlc_default_rateset(wlc, (wlc_rateset_t *) &rs); |
a9533e7e HP |
3894 | |
3895 | if (len < (int)(rs.count + sizeof(rs.count))) { | |
3896 | bcmerror = BCME_BUFTOOSHORT; | |
3897 | break; | |
3898 | } | |
3899 | ||
3900 | /* Copy only legacy rateset section */ | |
3901 | ret_rs->count = rs.count; | |
3902 | bcopy(&rs.rates, &ret_rs->rates, rs.count); | |
3903 | break; | |
3904 | } | |
3905 | ||
3906 | case WLC_SET_RATESET:{ | |
3907 | wlc_rateset_t rs; | |
3908 | wl_rateset_t *in_rs = (wl_rateset_t *) arg; | |
3909 | ||
3910 | if (len < (int)(in_rs->count + sizeof(in_rs->count))) { | |
3911 | bcmerror = BCME_BUFTOOSHORT; | |
3912 | break; | |
3913 | } | |
3914 | ||
3915 | if (in_rs->count > WLC_NUMRATES) { | |
3916 | bcmerror = BCME_BUFTOOLONG; | |
3917 | break; | |
3918 | } | |
3919 | ||
3920 | bzero(&rs, sizeof(wlc_rateset_t)); | |
3921 | ||
3922 | /* Copy only legacy rateset section */ | |
3923 | rs.count = in_rs->count; | |
3924 | bcopy(&in_rs->rates, &rs.rates, rs.count); | |
3925 | ||
3926 | /* merge rateset coming in with the current mcsset */ | |
3927 | if (N_ENAB(wlc->pub)) { | |
3928 | if (bsscfg->associated) | |
3929 | bcopy(¤t_bss->rateset.mcs[0], | |
3930 | rs.mcs, MCSSET_LEN); | |
3931 | else | |
3932 | bcopy(&wlc->default_bss->rateset.mcs[0], | |
3933 | rs.mcs, MCSSET_LEN); | |
3934 | } | |
3935 | ||
3936 | bcmerror = wlc_set_rateset(wlc, &rs); | |
3937 | ||
3938 | if (!bcmerror) | |
3939 | wlc_ofdm_rateset_war(wlc); | |
3940 | ||
3941 | break; | |
3942 | } | |
3943 | ||
3944 | case WLC_GET_BCNPRD: | |
3945 | if (BSSCFG_STA(bsscfg) && bsscfg->BSS && bsscfg->associated) | |
3946 | *pval = current_bss->beacon_period; | |
3947 | else | |
3948 | *pval = wlc->default_bss->beacon_period; | |
3949 | break; | |
3950 | ||
3951 | case WLC_SET_BCNPRD: | |
3952 | /* range [1, 0xffff] */ | |
3953 | if (val >= DOT11_MIN_BEACON_PERIOD | |
3954 | && val <= DOT11_MAX_BEACON_PERIOD) { | |
7d4df48e | 3955 | wlc->default_bss->beacon_period = (u16) val; |
a9533e7e HP |
3956 | } else |
3957 | bcmerror = BCME_RANGE; | |
3958 | break; | |
3959 | ||
3960 | case WLC_GET_DTIMPRD: | |
3961 | if (BSSCFG_STA(bsscfg) && bsscfg->BSS && bsscfg->associated) | |
3962 | *pval = current_bss->dtim_period; | |
3963 | else | |
3964 | *pval = wlc->default_bss->dtim_period; | |
3965 | break; | |
3966 | ||
3967 | case WLC_SET_DTIMPRD: | |
3968 | /* range [1, 0xff] */ | |
3969 | if (val >= DOT11_MIN_DTIM_PERIOD | |
3970 | && val <= DOT11_MAX_DTIM_PERIOD) { | |
41feb5ed | 3971 | wlc->default_bss->dtim_period = (u8) val; |
a9533e7e HP |
3972 | } else |
3973 | bcmerror = BCME_RANGE; | |
3974 | break; | |
3975 | ||
3976 | #ifdef SUPPORT_PS | |
3977 | case WLC_GET_PM: | |
3978 | *pval = wlc->PM; | |
3979 | break; | |
3980 | ||
3981 | case WLC_SET_PM: | |
3982 | if ((val >= PM_OFF) && (val <= PM_MAX)) { | |
41feb5ed | 3983 | wlc->PM = (u8) val; |
a9533e7e HP |
3984 | if (wlc->pub->up) { |
3985 | } | |
3986 | /* Change watchdog driver to align watchdog with tbtt if possible */ | |
3987 | wlc_watchdog_upd(wlc, PS_ALLOWED(wlc)); | |
3988 | } else | |
3989 | bcmerror = BCME_ERROR; | |
3990 | break; | |
3991 | #endif /* SUPPORT_PS */ | |
3992 | ||
3993 | #ifdef SUPPORT_PS | |
3994 | #ifdef BCMDBG | |
3995 | case WLC_GET_WAKE: | |
3996 | if (AP_ENAB(wlc->pub)) { | |
3997 | bcmerror = BCME_NOTSTA; | |
3998 | break; | |
3999 | } | |
4000 | *pval = wlc->wake; | |
4001 | break; | |
4002 | ||
4003 | case WLC_SET_WAKE: | |
4004 | if (AP_ENAB(wlc->pub)) { | |
4005 | bcmerror = BCME_NOTSTA; | |
4006 | break; | |
4007 | } | |
4008 | ||
0965ae88 | 4009 | wlc->wake = val ? true : false; |
a9533e7e HP |
4010 | |
4011 | /* if down, we're done */ | |
4012 | if (!wlc->pub->up) | |
4013 | break; | |
4014 | ||
4015 | /* apply to the mac */ | |
4016 | wlc_set_ps_ctrl(wlc); | |
4017 | break; | |
4018 | #endif /* BCMDBG */ | |
4019 | #endif /* SUPPORT_PS */ | |
4020 | ||
4021 | case WLC_GET_REVINFO: | |
4022 | bcmerror = wlc_get_revision_info(wlc, arg, (uint) len); | |
4023 | break; | |
4024 | ||
4025 | case WLC_GET_AP: | |
4026 | *pval = (int)AP_ENAB(wlc->pub); | |
4027 | break; | |
4028 | ||
4029 | case WLC_GET_ATIM: | |
4030 | if (bsscfg->associated) | |
4031 | *pval = (int)current_bss->atim_window; | |
4032 | else | |
4033 | *pval = (int)wlc->default_bss->atim_window; | |
4034 | break; | |
4035 | ||
4036 | case WLC_SET_ATIM: | |
66cbd3ab | 4037 | wlc->default_bss->atim_window = (u32) val; |
a9533e7e HP |
4038 | break; |
4039 | ||
4040 | case WLC_GET_PKTCNTS:{ | |
4041 | get_pktcnt_t *pktcnt = (get_pktcnt_t *) pval; | |
4042 | if (WLC_UPDATE_STATS(wlc)) | |
4043 | wlc_statsupd(wlc); | |
4044 | pktcnt->rx_good_pkt = WLCNTVAL(wlc->pub->_cnt->rxframe); | |
4045 | pktcnt->rx_bad_pkt = WLCNTVAL(wlc->pub->_cnt->rxerror); | |
4046 | pktcnt->tx_good_pkt = | |
4047 | WLCNTVAL(wlc->pub->_cnt->txfrmsnt); | |
4048 | pktcnt->tx_bad_pkt = | |
4049 | WLCNTVAL(wlc->pub->_cnt->txerror) + | |
4050 | WLCNTVAL(wlc->pub->_cnt->txfail); | |
4051 | if (len >= (int)sizeof(get_pktcnt_t)) { | |
4052 | /* Be backward compatible - only if buffer is large enough */ | |
4053 | pktcnt->rx_ocast_good_pkt = | |
4054 | WLCNTVAL(wlc->pub->_cnt->rxmfrmocast); | |
4055 | } | |
4056 | break; | |
4057 | } | |
4058 | ||
4059 | #ifdef SUPPORT_HWKEY | |
4060 | case WLC_GET_WSEC: | |
4061 | bcmerror = | |
4062 | wlc_iovar_op(wlc, "wsec", NULL, 0, arg, len, IOV_GET, | |
4063 | wlcif); | |
4064 | break; | |
4065 | ||
4066 | case WLC_SET_WSEC: | |
4067 | bcmerror = | |
4068 | wlc_iovar_op(wlc, "wsec", NULL, 0, arg, len, IOV_SET, | |
4069 | wlcif); | |
4070 | break; | |
4071 | ||
4072 | case WLC_GET_WPA_AUTH: | |
4073 | *pval = (int)bsscfg->WPA_auth; | |
4074 | break; | |
4075 | ||
4076 | case WLC_SET_WPA_AUTH: | |
4077 | /* change of WPA_Auth modifies the PS_ALLOWED state */ | |
4078 | if (BSSCFG_STA(bsscfg)) { | |
7d4df48e | 4079 | bsscfg->WPA_auth = (u16) val; |
a9533e7e | 4080 | } else |
7d4df48e | 4081 | bsscfg->WPA_auth = (u16) val; |
a9533e7e HP |
4082 | break; |
4083 | #endif /* SUPPORT_HWKEY */ | |
4084 | ||
4085 | case WLC_GET_BANDLIST: | |
4086 | /* count of number of bands, followed by each band type */ | |
4087 | *pval++ = NBANDS(wlc); | |
4088 | *pval++ = wlc->band->bandtype; | |
4089 | if (NBANDS(wlc) > 1) | |
4090 | *pval++ = wlc->bandstate[OTHERBANDUNIT(wlc)]->bandtype; | |
4091 | break; | |
4092 | ||
4093 | case WLC_GET_BAND: | |
4094 | *pval = wlc->bandlocked ? wlc->band->bandtype : WLC_BAND_AUTO; | |
4095 | break; | |
4096 | ||
4097 | case WLC_GET_PHYLIST: | |
4098 | { | |
580a0bd9 | 4099 | unsigned char *cp = arg; |
a9533e7e HP |
4100 | if (len < 3) { |
4101 | bcmerror = BCME_BUFTOOSHORT; | |
4102 | break; | |
4103 | } | |
4104 | ||
4105 | if (WLCISNPHY(wlc->band)) { | |
4106 | *cp++ = 'n'; | |
4107 | } else if (WLCISLCNPHY(wlc->band)) { | |
4108 | *cp++ = 'c'; | |
4109 | } else if (WLCISSSLPNPHY(wlc->band)) { | |
4110 | *cp++ = 's'; | |
4111 | } | |
4112 | *cp = '\0'; | |
4113 | break; | |
4114 | } | |
4115 | ||
4116 | case WLC_GET_SHORTSLOT: | |
4117 | *pval = wlc->shortslot; | |
4118 | break; | |
4119 | ||
4120 | case WLC_GET_SHORTSLOT_OVERRIDE: | |
4121 | *pval = wlc->shortslot_override; | |
4122 | break; | |
4123 | ||
4124 | case WLC_SET_SHORTSLOT_OVERRIDE: | |
4125 | if ((val != WLC_SHORTSLOT_AUTO) && | |
4126 | (val != WLC_SHORTSLOT_OFF) && (val != WLC_SHORTSLOT_ON)) { | |
4127 | bcmerror = BCME_RANGE; | |
4128 | break; | |
4129 | } | |
4130 | ||
562c8850 | 4131 | wlc->shortslot_override = (s8) val; |
a9533e7e HP |
4132 | |
4133 | /* shortslot is an 11g feature, so no more work if we are | |
4134 | * currently on the 5G band | |
4135 | */ | |
4136 | if (BAND_5G(wlc->band->bandtype)) | |
4137 | break; | |
4138 | ||
4139 | if (wlc->pub->up && wlc->pub->associated) { | |
4140 | /* let watchdog or beacon processing update shortslot */ | |
4141 | } else if (wlc->pub->up) { | |
4142 | /* unassociated shortslot is off */ | |
0965ae88 | 4143 | wlc_switch_shortslot(wlc, false); |
a9533e7e HP |
4144 | } else { |
4145 | /* driver is down, so just update the wlc_info value */ | |
4146 | if (wlc->shortslot_override == WLC_SHORTSLOT_AUTO) { | |
0965ae88 | 4147 | wlc->shortslot = false; |
a9533e7e HP |
4148 | } else { |
4149 | wlc->shortslot = | |
4150 | (wlc->shortslot_override == | |
4151 | WLC_SHORTSLOT_ON); | |
4152 | } | |
4153 | } | |
4154 | ||
4155 | break; | |
4156 | ||
4157 | case WLC_GET_LEGACY_ERP: | |
4158 | *pval = wlc->include_legacy_erp; | |
4159 | break; | |
4160 | ||
4161 | case WLC_SET_LEGACY_ERP: | |
4162 | if (wlc->include_legacy_erp == bool_val) | |
4163 | break; | |
4164 | ||
4165 | wlc->include_legacy_erp = bool_val; | |
4166 | ||
4167 | if (AP_ENAB(wlc->pub) && wlc->clk) { | |
4168 | wlc_update_beacon(wlc); | |
0f0881b0 | 4169 | wlc_update_probe_resp(wlc, true); |
a9533e7e HP |
4170 | } |
4171 | break; | |
4172 | ||
4173 | case WLC_GET_GMODE: | |
4174 | if (wlc->band->bandtype == WLC_BAND_2G) | |
4175 | *pval = wlc->band->gmode; | |
4176 | else if (NBANDS(wlc) > 1) | |
4177 | *pval = wlc->bandstate[OTHERBANDUNIT(wlc)]->gmode; | |
4178 | break; | |
4179 | ||
4180 | case WLC_SET_GMODE: | |
4181 | if (!wlc->pub->associated) | |
0f0881b0 | 4182 | bcmerror = wlc_set_gmode(wlc, (u8) val, true); |
a9533e7e HP |
4183 | else { |
4184 | bcmerror = BCME_ASSOCIATED; | |
4185 | break; | |
4186 | } | |
4187 | break; | |
4188 | ||
4189 | case WLC_GET_GMODE_PROTECTION: | |
4190 | *pval = wlc->protection->_g; | |
4191 | break; | |
4192 | ||
4193 | case WLC_GET_PROTECTION_CONTROL: | |
4194 | *pval = wlc->protection->overlap; | |
4195 | break; | |
4196 | ||
4197 | case WLC_SET_PROTECTION_CONTROL: | |
4198 | if ((val != WLC_PROTECTION_CTL_OFF) && | |
4199 | (val != WLC_PROTECTION_CTL_LOCAL) && | |
4200 | (val != WLC_PROTECTION_CTL_OVERLAP)) { | |
4201 | bcmerror = BCME_RANGE; | |
4202 | break; | |
4203 | } | |
4204 | ||
562c8850 | 4205 | wlc_protection_upd(wlc, WLC_PROT_OVERLAP, (s8) val); |
a9533e7e HP |
4206 | |
4207 | /* Current g_protection will sync up to the specified control alg in watchdog | |
4208 | * if the driver is up and associated. | |
4209 | * If the driver is down or not associated, the control setting has no effect. | |
4210 | */ | |
4211 | break; | |
4212 | ||
4213 | case WLC_GET_GMODE_PROTECTION_OVERRIDE: | |
4214 | *pval = wlc->protection->g_override; | |
4215 | break; | |
4216 | ||
4217 | case WLC_SET_GMODE_PROTECTION_OVERRIDE: | |
4218 | if ((val != WLC_PROTECTION_AUTO) && | |
4219 | (val != WLC_PROTECTION_OFF) && (val != WLC_PROTECTION_ON)) { | |
4220 | bcmerror = BCME_RANGE; | |
4221 | break; | |
4222 | } | |
4223 | ||
562c8850 | 4224 | wlc_protection_upd(wlc, WLC_PROT_G_OVR, (s8) val); |
a9533e7e HP |
4225 | |
4226 | break; | |
4227 | ||
4228 | case WLC_SET_SUP_RATESET_OVERRIDE:{ | |
4229 | wlc_rateset_t rs, new; | |
4230 | ||
4231 | /* copyin */ | |
4232 | if (len < (int)sizeof(wlc_rateset_t)) { | |
4233 | bcmerror = BCME_BUFTOOSHORT; | |
4234 | break; | |
4235 | } | |
4236 | bcopy((char *)arg, (char *)&rs, sizeof(wlc_rateset_t)); | |
4237 | ||
4238 | /* check for bad count value */ | |
4239 | if (rs.count > WLC_NUMRATES) { | |
4240 | bcmerror = BCME_BADRATESET; /* invalid rateset */ | |
4241 | break; | |
4242 | } | |
4243 | ||
4244 | /* this command is only appropriate for gmode operation */ | |
4245 | if (!(wlc->band->gmode || | |
4246 | ((NBANDS(wlc) > 1) | |
4247 | && wlc->bandstate[OTHERBANDUNIT(wlc)]->gmode))) { | |
4248 | bcmerror = BCME_BADBAND; /* gmode only command when not in gmode */ | |
4249 | break; | |
4250 | } | |
4251 | ||
4252 | /* check for an empty rateset to clear the override */ | |
4253 | if (rs.count == 0) { | |
4254 | bzero(&wlc->sup_rates_override, | |
4255 | sizeof(wlc_rateset_t)); | |
4256 | break; | |
4257 | } | |
4258 | ||
4259 | /* validate rateset by comparing pre and post sorted against 11g hw rates */ | |
0965ae88 | 4260 | wlc_rateset_filter(&rs, &new, false, WLC_RATES_CCK_OFDM, |
a9533e7e HP |
4261 | RATE_MASK, BSS_N_ENAB(wlc, bsscfg)); |
4262 | wlc_rate_hwrs_filter_sort_validate(&new, | |
4263 | &cck_ofdm_rates, | |
0965ae88 | 4264 | false, |
a9533e7e HP |
4265 | wlc->stf->txstreams); |
4266 | if (rs.count != new.count) { | |
4267 | bcmerror = BCME_BADRATESET; /* invalid rateset */ | |
4268 | break; | |
4269 | } | |
4270 | ||
4271 | /* apply new rateset to the override */ | |
4272 | bcopy((char *)&new, (char *)&wlc->sup_rates_override, | |
4273 | sizeof(wlc_rateset_t)); | |
4274 | ||
4275 | /* update bcn and probe resp if needed */ | |
4276 | if (wlc->pub->up && AP_ENAB(wlc->pub) | |
4277 | && wlc->pub->associated) { | |
4278 | wlc_update_beacon(wlc); | |
0f0881b0 | 4279 | wlc_update_probe_resp(wlc, true); |
a9533e7e HP |
4280 | } |
4281 | break; | |
4282 | } | |
4283 | ||
4284 | case WLC_GET_SUP_RATESET_OVERRIDE: | |
4285 | /* this command is only appropriate for gmode operation */ | |
4286 | if (!(wlc->band->gmode || | |
4287 | ((NBANDS(wlc) > 1) | |
4288 | && wlc->bandstate[OTHERBANDUNIT(wlc)]->gmode))) { | |
4289 | bcmerror = BCME_BADBAND; /* gmode only command when not in gmode */ | |
4290 | break; | |
4291 | } | |
4292 | if (len < (int)sizeof(wlc_rateset_t)) { | |
4293 | bcmerror = BCME_BUFTOOSHORT; | |
4294 | break; | |
4295 | } | |
4296 | bcopy((char *)&wlc->sup_rates_override, (char *)arg, | |
4297 | sizeof(wlc_rateset_t)); | |
4298 | ||
4299 | break; | |
4300 | ||
4301 | case WLC_GET_PRB_RESP_TIMEOUT: | |
4302 | *pval = wlc->prb_resp_timeout; | |
4303 | break; | |
4304 | ||
4305 | case WLC_SET_PRB_RESP_TIMEOUT: | |
4306 | if (wlc->pub->up) { | |
4307 | bcmerror = BCME_NOTDOWN; | |
4308 | break; | |
4309 | } | |
4310 | if (val < 0 || val >= 0xFFFF) { | |
4311 | bcmerror = BCME_RANGE; /* bad value */ | |
4312 | break; | |
4313 | } | |
7d4df48e | 4314 | wlc->prb_resp_timeout = (u16) val; |
a9533e7e HP |
4315 | break; |
4316 | ||
4317 | case WLC_GET_KEY_PRIMARY:{ | |
4318 | wsec_key_t *key; | |
4319 | ||
4320 | /* treat the 'val' parm as the key id */ | |
ca8c1e59 JC |
4321 | key = WSEC_BSS_DEFAULT_KEY(bsscfg); |
4322 | if (key != NULL) { | |
0965ae88 | 4323 | *pval = key->id == val ? true : false; |
a9533e7e HP |
4324 | } else { |
4325 | bcmerror = BCME_BADKEYIDX; | |
4326 | } | |
4327 | break; | |
4328 | } | |
4329 | ||
4330 | case WLC_SET_KEY_PRIMARY:{ | |
4331 | wsec_key_t *key, *old_key; | |
4332 | ||
4333 | bcmerror = BCME_BADKEYIDX; | |
4334 | ||
4335 | /* treat the 'val' parm as the key id */ | |
4336 | for (i = 0; i < WSEC_MAX_DEFAULT_KEYS; i++) { | |
ca8c1e59 JC |
4337 | key = bsscfg->bss_def_keys[i]; |
4338 | if (key != NULL && key->id == val) { | |
4339 | old_key = WSEC_BSS_DEFAULT_KEY(bsscfg); | |
4340 | if (old_key != NULL) | |
a9533e7e HP |
4341 | old_key->flags &= |
4342 | ~WSEC_PRIMARY_KEY; | |
4343 | key->flags |= WSEC_PRIMARY_KEY; | |
4344 | bsscfg->wsec_index = i; | |
4345 | bcmerror = BCME_OK; | |
4346 | } | |
4347 | } | |
4348 | break; | |
4349 | } | |
4350 | ||
4351 | #ifdef BCMDBG | |
4352 | case WLC_INIT: | |
4353 | wl_init(wlc->wl); | |
4354 | break; | |
4355 | #endif | |
4356 | ||
4357 | case WLC_SET_VAR: | |
4358 | case WLC_GET_VAR:{ | |
4359 | char *name; | |
4360 | /* validate the name value */ | |
4361 | name = (char *)arg; | |
4362 | for (i = 0; i < (uint) len && *name != '\0'; | |
62145822 JC |
4363 | i++, name++) |
4364 | ; | |
a9533e7e HP |
4365 | |
4366 | if (i == (uint) len) { | |
4367 | bcmerror = BCME_BUFTOOSHORT; | |
4368 | break; | |
4369 | } | |
4370 | i++; /* include the null in the string length */ | |
4371 | ||
4372 | if (cmd == WLC_GET_VAR) { | |
4373 | bcmerror = | |
4374 | wlc_iovar_op(wlc, arg, | |
562c8850 | 4375 | (void *)((s8 *) arg + i), |
a9533e7e HP |
4376 | len - i, arg, len, IOV_GET, |
4377 | wlcif); | |
4378 | } else | |
4379 | bcmerror = | |
4380 | wlc_iovar_op(wlc, arg, NULL, 0, | |
562c8850 | 4381 | (void *)((s8 *) arg + i), |
a9533e7e HP |
4382 | len - i, IOV_SET, wlcif); |
4383 | ||
4384 | break; | |
4385 | } | |
4386 | ||
4387 | case WLC_SET_WSEC_PMK: | |
4388 | bcmerror = BCME_UNSUPPORTED; | |
4389 | break; | |
4390 | ||
4391 | #if defined(BCMDBG) | |
4392 | case WLC_CURRENT_PWR: | |
4393 | if (!wlc->pub->up) | |
4394 | bcmerror = BCME_NOTUP; | |
4395 | else | |
4396 | bcmerror = wlc_get_current_txpwr(wlc, arg, len); | |
4397 | break; | |
4398 | #endif | |
4399 | ||
4400 | case WLC_LAST: | |
4401 | WL_ERROR(("%s: WLC_LAST\n", __func__)); | |
4402 | } | |
4403 | done: | |
4404 | ||
4405 | if (bcmerror) { | |
4406 | if (VALID_BCMERROR(bcmerror)) | |
4407 | wlc->pub->bcmerror = bcmerror; | |
4408 | else { | |
4409 | bcmerror = 0; | |
4410 | } | |
4411 | ||
4412 | } | |
4413 | #ifdef WLC_LOW | |
4414 | /* BMAC_NOTE: for HIGH_ONLY driver, this seems being called after RPC bus failed */ | |
4415 | /* In hw_off condition, IOCTLs that reach here are deemed safe but taclear would | |
4416 | * certainly result in getting -1 for register reads. So skip ta_clear altogether | |
4417 | */ | |
4418 | if (!(wlc->pub->hw_off)) | |
4419 | ASSERT(wlc_bmac_taclear(wlc->hw, ta_ok) || !ta_ok); | |
4420 | #endif | |
4421 | ||
90ea2296 | 4422 | return bcmerror; |
a9533e7e HP |
4423 | } |
4424 | ||
4425 | #if defined(BCMDBG) | |
4426 | /* consolidated register access ioctl error checking */ | |
7cc4a4c0 | 4427 | int wlc_iocregchk(wlc_info_t *wlc, uint band) |
a9533e7e HP |
4428 | { |
4429 | /* if band is specified, it must be the current band */ | |
4430 | if ((band != WLC_BAND_AUTO) && (band != (uint) wlc->band->bandtype)) | |
90ea2296 | 4431 | return BCME_BADBAND; |
a9533e7e HP |
4432 | |
4433 | /* if multiband and band is not specified, band must be locked */ | |
4434 | if ((band == WLC_BAND_AUTO) && IS_MBAND_UNLOCKED(wlc)) | |
90ea2296 | 4435 | return BCME_NOTBANDLOCKED; |
a9533e7e HP |
4436 | |
4437 | /* must have core clocks */ | |
4438 | if (!wlc->clk) | |
90ea2296 | 4439 | return BCME_NOCLK; |
a9533e7e | 4440 | |
90ea2296 | 4441 | return 0; |
a9533e7e HP |
4442 | } |
4443 | #endif /* defined(BCMDBG) */ | |
4444 | ||
4445 | #if defined(BCMDBG) | |
4446 | /* For some ioctls, make sure that the pi pointer matches the current phy */ | |
7cc4a4c0 | 4447 | int wlc_iocpichk(wlc_info_t *wlc, uint phytype) |
a9533e7e HP |
4448 | { |
4449 | if (wlc->band->phytype != phytype) | |
4450 | return BCME_BADBAND; | |
4451 | return 0; | |
4452 | } | |
4453 | #endif | |
4454 | ||
4455 | /* Look up the given var name in the given table */ | |
7cc4a4c0 | 4456 | static const bcm_iovar_t *wlc_iovar_lookup(const bcm_iovar_t *table, |
a9533e7e HP |
4457 | const char *name) |
4458 | { | |
4459 | const bcm_iovar_t *vi; | |
4460 | const char *lookup_name; | |
4461 | ||
4462 | /* skip any ':' delimited option prefixes */ | |
4463 | lookup_name = strrchr(name, ':'); | |
4464 | if (lookup_name != NULL) | |
4465 | lookup_name++; | |
4466 | else | |
4467 | lookup_name = name; | |
4468 | ||
4469 | ASSERT(table != NULL); | |
4470 | ||
4471 | for (vi = table; vi->name; vi++) { | |
4472 | if (!strcmp(vi->name, lookup_name)) | |
4473 | return vi; | |
4474 | } | |
4475 | /* ran to end of table */ | |
4476 | ||
4477 | return NULL; /* var name not found */ | |
4478 | } | |
4479 | ||
4480 | /* simplified integer get interface for common WLC_GET_VAR ioctl handler */ | |
7cc4a4c0 | 4481 | int wlc_iovar_getint(wlc_info_t *wlc, const char *name, int *arg) |
a9533e7e | 4482 | { |
3e26416e | 4483 | return wlc_iovar_op(wlc, name, NULL, 0, arg, sizeof(s32), IOV_GET, |
a9533e7e HP |
4484 | NULL); |
4485 | } | |
4486 | ||
4487 | /* simplified integer set interface for common WLC_SET_VAR ioctl handler */ | |
7cc4a4c0 | 4488 | int wlc_iovar_setint(wlc_info_t *wlc, const char *name, int arg) |
a9533e7e HP |
4489 | { |
4490 | return wlc_iovar_op(wlc, name, NULL, 0, (void *)&arg, sizeof(arg), | |
4491 | IOV_SET, NULL); | |
4492 | } | |
4493 | ||
562c8850 GKH |
4494 | /* simplified s8 get interface for common WLC_GET_VAR ioctl handler */ |
4495 | int wlc_iovar_gets8(wlc_info_t *wlc, const char *name, s8 *arg) | |
a9533e7e HP |
4496 | { |
4497 | int iovar_int; | |
4498 | int err; | |
4499 | ||
4500 | err = | |
4501 | wlc_iovar_op(wlc, name, NULL, 0, &iovar_int, sizeof(iovar_int), | |
4502 | IOV_GET, NULL); | |
4503 | if (!err) | |
562c8850 | 4504 | *arg = (s8) iovar_int; |
a9533e7e HP |
4505 | |
4506 | return err; | |
4507 | } | |
4508 | ||
4509 | /* | |
4510 | * register iovar table, watchdog and down handlers. | |
4511 | * calling function must keep 'iovars' until wlc_module_unregister is called. | |
4512 | * 'iovar' must have the last entry's name field being NULL as terminator. | |
4513 | */ | |
0d2f0724 GKH |
4514 | int wlc_module_register(wlc_pub_t *pub, const bcm_iovar_t *iovars, |
4515 | const char *name, void *hdl, iovar_fn_t i_fn, | |
4516 | watchdog_fn_t w_fn, down_fn_t d_fn) | |
4517 | { | |
a9533e7e HP |
4518 | wlc_info_t *wlc = (wlc_info_t *) pub->wlc; |
4519 | int i; | |
4520 | ||
4521 | ASSERT(name != NULL); | |
4522 | ASSERT(i_fn != NULL || w_fn != NULL || d_fn != NULL); | |
4523 | ||
4524 | /* find an empty entry and just add, no duplication check! */ | |
4525 | for (i = 0; i < WLC_MAXMODULES; i++) { | |
4526 | if (wlc->modulecb[i].name[0] == '\0') { | |
4527 | strncpy(wlc->modulecb[i].name, name, | |
4528 | sizeof(wlc->modulecb[i].name) - 1); | |
4529 | wlc->modulecb[i].iovars = iovars; | |
4530 | wlc->modulecb[i].hdl = hdl; | |
4531 | wlc->modulecb[i].iovar_fn = i_fn; | |
4532 | wlc->modulecb[i].watchdog_fn = w_fn; | |
4533 | wlc->modulecb[i].down_fn = d_fn; | |
4534 | return 0; | |
4535 | } | |
4536 | } | |
4537 | ||
4538 | /* it is time to increase the capacity */ | |
4539 | ASSERT(i < WLC_MAXMODULES); | |
4540 | return BCME_NORESOURCE; | |
4541 | } | |
4542 | ||
4543 | /* unregister module callbacks */ | |
0d2f0724 GKH |
4544 | int wlc_module_unregister(wlc_pub_t *pub, const char *name, void *hdl) |
4545 | { | |
a9533e7e HP |
4546 | wlc_info_t *wlc = (wlc_info_t *) pub->wlc; |
4547 | int i; | |
4548 | ||
4549 | if (wlc == NULL) | |
4550 | return BCME_NOTFOUND; | |
4551 | ||
4552 | ASSERT(name != NULL); | |
4553 | ||
4554 | for (i = 0; i < WLC_MAXMODULES; i++) { | |
4555 | if (!strcmp(wlc->modulecb[i].name, name) && | |
4556 | (wlc->modulecb[i].hdl == hdl)) { | |
4557 | bzero(&wlc->modulecb[i], sizeof(modulecb_t)); | |
4558 | return 0; | |
4559 | } | |
4560 | } | |
4561 | ||
4562 | /* table not found! */ | |
4563 | return BCME_NOTFOUND; | |
4564 | } | |
4565 | ||
4566 | /* Write WME tunable parameters for retransmit/max rate from wlc struct to ucode */ | |
7cc4a4c0 | 4567 | static void wlc_wme_retries_write(wlc_info_t *wlc) |
a9533e7e HP |
4568 | { |
4569 | int ac; | |
4570 | ||
4571 | /* Need clock to do this */ | |
4572 | if (!wlc->clk) | |
4573 | return; | |
4574 | ||
4575 | for (ac = 0; ac < AC_COUNT; ac++) { | |
4576 | wlc_write_shm(wlc, M_AC_TXLMT_ADDR(ac), wlc->wme_retries[ac]); | |
4577 | } | |
4578 | } | |
4579 | ||
4580 | /* Get or set an iovar. The params/p_len pair specifies any additional | |
4581 | * qualifying parameters (e.g. an "element index") for a get, while the | |
4582 | * arg/len pair is the buffer for the value to be set or retrieved. | |
4583 | * Operation (get/set) is specified by the last argument. | |
4584 | * interface context provided by wlcif | |
4585 | * | |
4586 | * All pointers may point into the same buffer. | |
4587 | */ | |
4588 | int | |
7cc4a4c0 | 4589 | wlc_iovar_op(wlc_info_t *wlc, const char *name, |
a9533e7e HP |
4590 | void *params, int p_len, void *arg, int len, |
4591 | bool set, struct wlc_if *wlcif) | |
4592 | { | |
4593 | int err = 0; | |
4594 | int val_size; | |
4595 | const bcm_iovar_t *vi = NULL; | |
66cbd3ab | 4596 | u32 actionid; |
a9533e7e HP |
4597 | int i; |
4598 | ||
4599 | ASSERT(name != NULL); | |
4600 | ||
4601 | ASSERT(len >= 0); | |
4602 | ||
4603 | /* Get MUST have return space */ | |
4604 | ASSERT(set || (arg && len)); | |
4605 | ||
4606 | ASSERT(!(wlc->pub->hw_off && wlc->pub->up)); | |
4607 | ||
4608 | /* Set does NOT take qualifiers */ | |
4609 | ASSERT(!set || (!params && !p_len)); | |
4610 | ||
4611 | if (!set && (len == sizeof(int)) && | |
f024c48a | 4612 | !(IS_ALIGNED((unsigned long)(arg), (uint) sizeof(int)))) { |
a9533e7e HP |
4613 | WL_ERROR(("wl%d: %s unaligned get ptr for %s\n", |
4614 | wlc->pub->unit, __func__, name)); | |
4615 | ASSERT(0); | |
4616 | } | |
4617 | ||
4618 | /* find the given iovar name */ | |
4619 | for (i = 0; i < WLC_MAXMODULES; i++) { | |
4620 | if (!wlc->modulecb[i].iovars) | |
4621 | continue; | |
ca8c1e59 JC |
4622 | vi = wlc_iovar_lookup(wlc->modulecb[i].iovars, name); |
4623 | if (vi) | |
a9533e7e HP |
4624 | break; |
4625 | } | |
4626 | /* iovar name not found */ | |
4627 | if (i >= WLC_MAXMODULES) { | |
4628 | err = BCME_UNSUPPORTED; | |
4629 | #ifdef WLC_HIGH_ONLY | |
4630 | err = | |
4631 | bcmsdh_iovar_op(wlc->btparam, name, params, p_len, arg, len, | |
4632 | set); | |
4633 | #endif | |
4634 | goto exit; | |
4635 | } | |
4636 | ||
4637 | /* set up 'params' pointer in case this is a set command so that | |
4638 | * the convenience int and bool code can be common to set and get | |
4639 | */ | |
4640 | if (params == NULL) { | |
4641 | params = arg; | |
4642 | p_len = len; | |
4643 | } | |
4644 | ||
4645 | if (vi->type == IOVT_VOID) | |
4646 | val_size = 0; | |
4647 | else if (vi->type == IOVT_BUFFER) | |
4648 | val_size = len; | |
4649 | else | |
4650 | /* all other types are integer sized */ | |
4651 | val_size = sizeof(int); | |
4652 | ||
4653 | actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); | |
4654 | ||
4655 | /* Do the actual parameter implementation */ | |
4656 | err = wlc->modulecb[i].iovar_fn(wlc->modulecb[i].hdl, vi, actionid, | |
4657 | name, params, p_len, arg, len, val_size, | |
4658 | wlcif); | |
4659 | ||
4660 | exit: | |
4661 | return err; | |
4662 | } | |
4663 | ||
4664 | int | |
7cc4a4c0 | 4665 | wlc_iovar_check(wlc_pub_t *pub, const bcm_iovar_t *vi, void *arg, int len, |
a9533e7e HP |
4666 | bool set) |
4667 | { | |
4668 | wlc_info_t *wlc = (wlc_info_t *) pub->wlc; | |
4669 | int err = 0; | |
3e26416e | 4670 | s32 int_val = 0; |
a9533e7e HP |
4671 | |
4672 | /* check generic condition flags */ | |
4673 | if (set) { | |
4674 | if (((vi->flags & IOVF_SET_DOWN) && wlc->pub->up) || | |
4675 | ((vi->flags & IOVF_SET_UP) && !wlc->pub->up)) { | |
4676 | err = (wlc->pub->up ? BCME_NOTDOWN : BCME_NOTUP); | |
4677 | } else if ((vi->flags & IOVF_SET_BAND) | |
4678 | && IS_MBAND_UNLOCKED(wlc)) { | |
4679 | err = BCME_NOTBANDLOCKED; | |
4680 | } else if ((vi->flags & IOVF_SET_CLK) && !wlc->clk) { | |
4681 | err = BCME_NOCLK; | |
4682 | } | |
4683 | } else { | |
4684 | if (((vi->flags & IOVF_GET_DOWN) && wlc->pub->up) || | |
4685 | ((vi->flags & IOVF_GET_UP) && !wlc->pub->up)) { | |
4686 | err = (wlc->pub->up ? BCME_NOTDOWN : BCME_NOTUP); | |
4687 | } else if ((vi->flags & IOVF_GET_BAND) | |
4688 | && IS_MBAND_UNLOCKED(wlc)) { | |
4689 | err = BCME_NOTBANDLOCKED; | |
4690 | } else if ((vi->flags & IOVF_GET_CLK) && !wlc->clk) { | |
4691 | err = BCME_NOCLK; | |
4692 | } | |
4693 | } | |
4694 | ||
4695 | if (err) | |
4696 | goto exit; | |
4697 | ||
4698 | /* length check on io buf */ | |
ca8c1e59 JC |
4699 | err = bcm_iovar_lencheck(vi, arg, len, set); |
4700 | if (err) | |
a9533e7e HP |
4701 | goto exit; |
4702 | ||
4703 | /* On set, check value ranges for integer types */ | |
4704 | if (set) { | |
4705 | switch (vi->type) { | |
4706 | case IOVT_BOOL: | |
4707 | case IOVT_INT8: | |
4708 | case IOVT_INT16: | |
4709 | case IOVT_INT32: | |
4710 | case IOVT_UINT8: | |
4711 | case IOVT_UINT16: | |
4712 | case IOVT_UINT32: | |
4713 | bcopy(arg, &int_val, sizeof(int)); | |
4714 | err = wlc_iovar_rangecheck(wlc, int_val, vi); | |
4715 | break; | |
4716 | } | |
4717 | } | |
4718 | exit: | |
4719 | return err; | |
4720 | } | |
4721 | ||
4722 | /* handler for iovar table wlc_iovars */ | |
4723 | /* | |
4724 | * IMPLEMENTATION NOTE: In order to avoid checking for get/set in each | |
4725 | * iovar case, the switch statement maps the iovar id into separate get | |
4726 | * and set values. If you add a new iovar to the switch you MUST use | |
4727 | * IOV_GVAL and/or IOV_SVAL in the case labels to avoid conflict with | |
4728 | * another case. | |
4729 | * Please use params for additional qualifying parameters. | |
4730 | */ | |
4731 | int | |
66cbd3ab | 4732 | wlc_doiovar(void *hdl, const bcm_iovar_t *vi, u32 actionid, |
a9533e7e HP |
4733 | const char *name, void *params, uint p_len, void *arg, int len, |
4734 | int val_size, struct wlc_if *wlcif) | |
4735 | { | |
4736 | wlc_info_t *wlc = hdl; | |
4737 | wlc_bsscfg_t *bsscfg; | |
4738 | int err = 0; | |
3e26416e GKH |
4739 | s32 int_val = 0; |
4740 | s32 int_val2 = 0; | |
4741 | s32 *ret_int_ptr; | |
a9533e7e HP |
4742 | bool bool_val; |
4743 | bool bool_val2; | |
4744 | wlc_bss_info_t *current_bss; | |
4745 | ||
4746 | WL_TRACE(("wl%d: %s\n", wlc->pub->unit, __func__)); | |
4747 | ||
4748 | bsscfg = NULL; | |
4749 | current_bss = NULL; | |
4750 | ||
ca8c1e59 JC |
4751 | err = wlc_iovar_check(wlc->pub, vi, arg, len, IOV_ISSET(actionid)); |
4752 | if (err != 0) | |
a9533e7e HP |
4753 | return err; |
4754 | ||
4755 | /* convenience int and bool vals for first 8 bytes of buffer */ | |
4756 | if (p_len >= (int)sizeof(int_val)) | |
4757 | bcopy(params, &int_val, sizeof(int_val)); | |
4758 | ||
4759 | if (p_len >= (int)sizeof(int_val) * 2) | |
f024c48a | 4760 | bcopy((void *)((unsigned long)params + sizeof(int_val)), &int_val2, |
a9533e7e HP |
4761 | sizeof(int_val)); |
4762 | ||
4763 | /* convenience int ptr for 4-byte gets (requires int aligned arg) */ | |
3e26416e | 4764 | ret_int_ptr = (s32 *) arg; |
a9533e7e | 4765 | |
0965ae88 GKH |
4766 | bool_val = (int_val != 0) ? true : false; |
4767 | bool_val2 = (int_val2 != 0) ? true : false; | |
a9533e7e HP |
4768 | |
4769 | WL_TRACE(("wl%d: %s: id %d\n", wlc->pub->unit, __func__, | |
4770 | IOV_ID(actionid))); | |
4771 | /* Do the actual parameter implementation */ | |
4772 | switch (actionid) { | |
4773 | ||
4774 | case IOV_GVAL(IOV_QTXPOWER):{ | |
4775 | uint qdbm; | |
4776 | bool override; | |
4777 | ||
ca8c1e59 JC |
4778 | err = wlc_phy_txpower_get(wlc->band->pi, &qdbm, |
4779 | &override); | |
4780 | if (err != BCME_OK) | |
a9533e7e HP |
4781 | return err; |
4782 | ||
4783 | /* Return qdbm units */ | |
4784 | *ret_int_ptr = | |
4785 | qdbm | (override ? WL_TXPWR_OVERRIDE : 0); | |
4786 | break; | |
4787 | } | |
4788 | ||
4789 | /* As long as override is false, this only sets the *user* targets. | |
4790 | User can twiddle this all he wants with no harm. | |
4791 | wlc_phy_txpower_set() explicitly sets override to false if | |
4792 | not internal or test. | |
4793 | */ | |
4794 | case IOV_SVAL(IOV_QTXPOWER):{ | |
41feb5ed | 4795 | u8 qdbm; |
a9533e7e HP |
4796 | bool override; |
4797 | ||
4798 | /* Remove override bit and clip to max qdbm value */ | |
a300ce95 | 4799 | qdbm = (u8)min_t(u32, (int_val & ~WL_TXPWR_OVERRIDE), 0xff); |
a9533e7e | 4800 | /* Extract override setting */ |
0965ae88 | 4801 | override = (int_val & WL_TXPWR_OVERRIDE) ? true : false; |
a9533e7e HP |
4802 | err = |
4803 | wlc_phy_txpower_set(wlc->band->pi, qdbm, override); | |
4804 | break; | |
4805 | } | |
4806 | ||
4807 | case IOV_GVAL(IOV_MPC): | |
3e26416e | 4808 | *ret_int_ptr = (s32) wlc->mpc; |
a9533e7e HP |
4809 | break; |
4810 | ||
4811 | case IOV_SVAL(IOV_MPC): | |
4812 | wlc->mpc = bool_val; | |
4813 | wlc_radio_mpc_upd(wlc); | |
4814 | ||
4815 | break; | |
4816 | ||
4817 | case IOV_GVAL(IOV_BCN_LI_BCN): | |
4818 | *ret_int_ptr = wlc->bcn_li_bcn; | |
4819 | break; | |
4820 | ||
4821 | case IOV_SVAL(IOV_BCN_LI_BCN): | |
41feb5ed | 4822 | wlc->bcn_li_bcn = (u8) int_val; |
a9533e7e HP |
4823 | if (wlc->pub->up) |
4824 | wlc_bcn_li_upd(wlc); | |
4825 | break; | |
4826 | ||
4827 | default: | |
4828 | WL_ERROR(("wl%d: %s: unsupported\n", wlc->pub->unit, __func__)); | |
4829 | err = BCME_UNSUPPORTED; | |
4830 | break; | |
4831 | } | |
4832 | ||
4833 | goto exit; /* avoid unused label warning */ | |
4834 | ||
4835 | exit: | |
4836 | return err; | |
4837 | } | |
4838 | ||
4839 | static int | |
66cbd3ab | 4840 | wlc_iovar_rangecheck(wlc_info_t *wlc, u32 val, const bcm_iovar_t *vi) |
a9533e7e HP |
4841 | { |
4842 | int err = 0; | |
66cbd3ab GKH |
4843 | u32 min_val = 0; |
4844 | u32 max_val = 0; | |
a9533e7e HP |
4845 | |
4846 | /* Only ranged integers are checked */ | |
4847 | switch (vi->type) { | |
4848 | case IOVT_INT32: | |
4849 | max_val |= 0x7fffffff; | |
4850 | /* fall through */ | |
4851 | case IOVT_INT16: | |
4852 | max_val |= 0x00007fff; | |
4853 | /* fall through */ | |
4854 | case IOVT_INT8: | |
4855 | max_val |= 0x0000007f; | |
4856 | min_val = ~max_val; | |
4857 | if (vi->flags & IOVF_NTRL) | |
4858 | min_val = 1; | |
4859 | else if (vi->flags & IOVF_WHL) | |
4860 | min_val = 0; | |
4861 | /* Signed values are checked against max_val and min_val */ | |
3e26416e GKH |
4862 | if ((s32) val < (s32) min_val |
4863 | || (s32) val > (s32) max_val) | |
a9533e7e HP |
4864 | err = BCME_RANGE; |
4865 | break; | |
4866 | ||
4867 | case IOVT_UINT32: | |
4868 | max_val |= 0xffffffff; | |
4869 | /* fall through */ | |
4870 | case IOVT_UINT16: | |
4871 | max_val |= 0x0000ffff; | |
4872 | /* fall through */ | |
4873 | case IOVT_UINT8: | |
4874 | max_val |= 0x000000ff; | |
4875 | if (vi->flags & IOVF_NTRL) | |
4876 | min_val = 1; | |
4877 | if ((val < min_val) || (val > max_val)) | |
4878 | err = BCME_RANGE; | |
4879 | break; | |
4880 | } | |
4881 | ||
4882 | return err; | |
4883 | } | |
4884 | ||
a9533e7e HP |
4885 | #ifdef BCMDBG |
4886 | static const char *supr_reason[] = { | |
4887 | "None", "PMQ Entry", "Flush request", | |
4888 | "Previous frag failure", "Channel mismatch", | |
4889 | "Lifetime Expiry", "Underflow" | |
4890 | }; | |
4891 | ||
7d4df48e | 4892 | static void wlc_print_txs_status(u16 s) |
a9533e7e HP |
4893 | { |
4894 | printf("[15:12] %d frame attempts\n", (s & TX_STATUS_FRM_RTX_MASK) >> | |
4895 | TX_STATUS_FRM_RTX_SHIFT); | |
4896 | printf(" [11:8] %d rts attempts\n", (s & TX_STATUS_RTS_RTX_MASK) >> | |
4897 | TX_STATUS_RTS_RTX_SHIFT); | |
4898 | printf(" [7] %d PM mode indicated\n", | |
4899 | ((s & TX_STATUS_PMINDCTD) ? 1 : 0)); | |
4900 | printf(" [6] %d intermediate status\n", | |
4901 | ((s & TX_STATUS_INTERMEDIATE) ? 1 : 0)); | |
4902 | printf(" [5] %d AMPDU\n", (s & TX_STATUS_AMPDU) ? 1 : 0); | |
4903 | printf(" [4:2] %d Frame Suppressed Reason (%s)\n", | |
4904 | ((s & TX_STATUS_SUPR_MASK) >> TX_STATUS_SUPR_SHIFT), | |
4905 | supr_reason[(s & TX_STATUS_SUPR_MASK) >> TX_STATUS_SUPR_SHIFT]); | |
4906 | printf(" [1] %d acked\n", ((s & TX_STATUS_ACK_RCV) ? 1 : 0)); | |
4907 | } | |
4908 | #endif /* BCMDBG */ | |
4909 | ||
7cc4a4c0 | 4910 | void wlc_print_txstatus(tx_status_t *txs) |
a9533e7e HP |
4911 | { |
4912 | #if defined(BCMDBG) | |
7d4df48e GKH |
4913 | u16 s = txs->status; |
4914 | u16 ackphyrxsh = txs->ackphyrxsh; | |
a9533e7e HP |
4915 | |
4916 | printf("\ntxpkt (MPDU) Complete\n"); | |
4917 | ||
4918 | printf("FrameID: %04x ", txs->frameid); | |
4919 | printf("TxStatus: %04x", s); | |
4920 | printf("\n"); | |
4921 | #ifdef BCMDBG | |
4922 | wlc_print_txs_status(s); | |
4923 | #endif | |
4924 | printf("LastTxTime: %04x ", txs->lasttxtime); | |
4925 | printf("Seq: %04x ", txs->sequence); | |
4926 | printf("PHYTxStatus: %04x ", txs->phyerr); | |
4927 | printf("RxAckRSSI: %04x ", | |
4928 | (ackphyrxsh & PRXS1_JSSI_MASK) >> PRXS1_JSSI_SHIFT); | |
4929 | printf("RxAckSQ: %04x", (ackphyrxsh & PRXS1_SQ_MASK) >> PRXS1_SQ_SHIFT); | |
4930 | printf("\n"); | |
4931 | #endif /* defined(BCMDBG) */ | |
4932 | } | |
4933 | ||
4934 | #define MACSTATUPD(name) \ | |
4935 | wlc_ctrupd_cache(macstats.name, &wlc->core->macstat_snapshot->name, &wlc->pub->_cnt->name) | |
4936 | ||
7cc4a4c0 | 4937 | void wlc_statsupd(wlc_info_t *wlc) |
a9533e7e HP |
4938 | { |
4939 | int i; | |
4940 | #ifdef BCMDBG | |
7d4df48e GKH |
4941 | u16 delta; |
4942 | u16 rxf0ovfl; | |
4943 | u16 txfunfl[NFIFO]; | |
a9533e7e HP |
4944 | #endif /* BCMDBG */ |
4945 | ||
4946 | /* if driver down, make no sense to update stats */ | |
4947 | if (!wlc->pub->up) | |
4948 | return; | |
4949 | ||
4950 | #ifdef BCMDBG | |
4951 | /* save last rx fifo 0 overflow count */ | |
4952 | rxf0ovfl = wlc->core->macstat_snapshot->rxf0ovfl; | |
4953 | ||
4954 | /* save last tx fifo underflow count */ | |
4955 | for (i = 0; i < NFIFO; i++) | |
4956 | txfunfl[i] = wlc->core->macstat_snapshot->txfunfl[i]; | |
4957 | #endif /* BCMDBG */ | |
4958 | ||
4959 | #ifdef BCMDBG | |
4960 | /* check for rx fifo 0 overflow */ | |
7d4df48e | 4961 | delta = (u16) (wlc->core->macstat_snapshot->rxf0ovfl - rxf0ovfl); |
a9533e7e HP |
4962 | if (delta) |
4963 | WL_ERROR(("wl%d: %u rx fifo 0 overflows!\n", wlc->pub->unit, | |
4964 | delta)); | |
4965 | ||
4966 | /* check for tx fifo underflows */ | |
4967 | for (i = 0; i < NFIFO; i++) { | |
4968 | delta = | |
7d4df48e | 4969 | (u16) (wlc->core->macstat_snapshot->txfunfl[i] - |
a9533e7e HP |
4970 | txfunfl[i]); |
4971 | if (delta) | |
4972 | WL_ERROR(("wl%d: %u tx fifo %d underflows!\n", | |
4973 | wlc->pub->unit, delta, i)); | |
4974 | } | |
4975 | #endif /* BCMDBG */ | |
4976 | ||
4977 | /* dot11 counter update */ | |
4978 | ||
4979 | WLCNTSET(wlc->pub->_cnt->txrts, | |
4980 | (wlc->pub->_cnt->rxctsucast - | |
4981 | wlc->pub->_cnt->d11cnt_txrts_off)); | |
4982 | WLCNTSET(wlc->pub->_cnt->rxcrc, | |
4983 | (wlc->pub->_cnt->rxbadfcs - wlc->pub->_cnt->d11cnt_rxcrc_off)); | |
4984 | WLCNTSET(wlc->pub->_cnt->txnocts, | |
4985 | ((wlc->pub->_cnt->txrtsfrm - wlc->pub->_cnt->rxctsucast) - | |
4986 | wlc->pub->_cnt->d11cnt_txnocts_off)); | |
4987 | ||
4988 | /* merge counters from dma module */ | |
4989 | for (i = 0; i < NFIFO; i++) { | |
4990 | if (wlc->hw->di[i]) { | |
4991 | WLCNTADD(wlc->pub->_cnt->txnobuf, | |
4992 | (wlc->hw->di[i])->txnobuf); | |
4993 | WLCNTADD(wlc->pub->_cnt->rxnobuf, | |
4994 | (wlc->hw->di[i])->rxnobuf); | |
4995 | WLCNTADD(wlc->pub->_cnt->rxgiant, | |
4996 | (wlc->hw->di[i])->rxgiants); | |
4997 | dma_counterreset(wlc->hw->di[i]); | |
4998 | } | |
4999 | } | |
5000 | ||
5001 | /* | |
5002 | * Aggregate transmit and receive errors that probably resulted | |
5003 | * in the loss of a frame are computed on the fly. | |
5004 | */ | |
5005 | WLCNTSET(wlc->pub->_cnt->txerror, | |
5006 | wlc->pub->_cnt->txnobuf + wlc->pub->_cnt->txnoassoc + | |
5007 | wlc->pub->_cnt->txuflo + wlc->pub->_cnt->txrunt + | |
5008 | wlc->pub->_cnt->dmade + wlc->pub->_cnt->dmada + | |
5009 | wlc->pub->_cnt->dmape); | |
5010 | WLCNTSET(wlc->pub->_cnt->rxerror, | |
5011 | wlc->pub->_cnt->rxoflo + wlc->pub->_cnt->rxnobuf + | |
5012 | wlc->pub->_cnt->rxfragerr + wlc->pub->_cnt->rxrunt + | |
5013 | wlc->pub->_cnt->rxgiant + wlc->pub->_cnt->rxnoscb + | |
5014 | wlc->pub->_cnt->rxbadsrcmac); | |
5015 | for (i = 0; i < NFIFO; i++) | |
5016 | WLCNTADD(wlc->pub->_cnt->rxerror, wlc->pub->_cnt->rxuflo[i]); | |
5017 | } | |
5018 | ||
7d4df48e | 5019 | bool wlc_chipmatch(u16 vendor, u16 device) |
a9533e7e HP |
5020 | { |
5021 | if (vendor != VENDOR_BROADCOM) { | |
5022 | WL_ERROR(("wlc_chipmatch: unknown vendor id %04x\n", vendor)); | |
0965ae88 | 5023 | return false; |
a9533e7e HP |
5024 | } |
5025 | ||
5026 | if ((device == BCM43224_D11N_ID) || (device == BCM43225_D11N2G_ID)) | |
0f0881b0 | 5027 | return true; |
a9533e7e HP |
5028 | |
5029 | if (device == BCM4313_D11N2G_ID) | |
0f0881b0 | 5030 | return true; |
a9533e7e | 5031 | if ((device == BCM43236_D11N_ID) || (device == BCM43236_D11N2G_ID)) |
0f0881b0 | 5032 | return true; |
a9533e7e HP |
5033 | |
5034 | WL_ERROR(("wlc_chipmatch: unknown device id %04x\n", device)); | |
0965ae88 | 5035 | return false; |
a9533e7e HP |
5036 | } |
5037 | ||
a9533e7e | 5038 | #if defined(BCMDBG) |
7cc4a4c0 | 5039 | void wlc_print_txdesc(d11txh_t *txh) |
a9533e7e | 5040 | { |
7d4df48e GKH |
5041 | u16 mtcl = ltoh16(txh->MacTxControlLow); |
5042 | u16 mtch = ltoh16(txh->MacTxControlHigh); | |
5043 | u16 mfc = ltoh16(txh->MacFrameControl); | |
5044 | u16 tfest = ltoh16(txh->TxFesTimeNormal); | |
5045 | u16 ptcw = ltoh16(txh->PhyTxControlWord); | |
5046 | u16 ptcw_1 = ltoh16(txh->PhyTxControlWord_1); | |
5047 | u16 ptcw_1_Fbr = ltoh16(txh->PhyTxControlWord_1_Fbr); | |
5048 | u16 ptcw_1_Rts = ltoh16(txh->PhyTxControlWord_1_Rts); | |
5049 | u16 ptcw_1_FbrRts = ltoh16(txh->PhyTxControlWord_1_FbrRts); | |
5050 | u16 mainrates = ltoh16(txh->MainRates); | |
5051 | u16 xtraft = ltoh16(txh->XtraFrameTypes); | |
41feb5ed GKH |
5052 | u8 *iv = txh->IV; |
5053 | u8 *ra = txh->TxFrameRA; | |
7d4df48e | 5054 | u16 tfestfb = ltoh16(txh->TxFesTimeFallback); |
41feb5ed | 5055 | u8 *rtspfb = txh->RTSPLCPFallback; |
7d4df48e | 5056 | u16 rtsdfb = ltoh16(txh->RTSDurFallback); |
41feb5ed | 5057 | u8 *fragpfb = txh->FragPLCPFallback; |
7d4df48e GKH |
5058 | u16 fragdfb = ltoh16(txh->FragDurFallback); |
5059 | u16 mmodelen = ltoh16(txh->MModeLen); | |
5060 | u16 mmodefbrlen = ltoh16(txh->MModeFbrLen); | |
5061 | u16 tfid = ltoh16(txh->TxFrameID); | |
5062 | u16 txs = ltoh16(txh->TxStatus); | |
5063 | u16 mnmpdu = ltoh16(txh->MaxNMpdus); | |
5064 | u16 mabyte = ltoh16(txh->MaxABytes_MRT); | |
5065 | u16 mabyte_f = ltoh16(txh->MaxABytes_FBR); | |
5066 | u16 mmbyte = ltoh16(txh->MinMBytes); | |
a9533e7e | 5067 | |
41feb5ed | 5068 | u8 *rtsph = txh->RTSPhyHeader; |
a9533e7e HP |
5069 | struct dot11_rts_frame rts = txh->rts_frame; |
5070 | char hexbuf[256]; | |
5071 | ||
5072 | /* add plcp header along with txh descriptor */ | |
580a0bd9 | 5073 | prhex("Raw TxDesc + plcp header", (unsigned char *) txh, sizeof(d11txh_t) + 48); |
a9533e7e HP |
5074 | |
5075 | printf("TxCtlLow: %04x ", mtcl); | |
5076 | printf("TxCtlHigh: %04x ", mtch); | |
5077 | printf("FC: %04x ", mfc); | |
5078 | printf("FES Time: %04x\n", tfest); | |
5079 | printf("PhyCtl: %04x%s ", ptcw, | |
5080 | (ptcw & PHY_TXC_SHORT_HDR) ? " short" : ""); | |
5081 | printf("PhyCtl_1: %04x ", ptcw_1); | |
5082 | printf("PhyCtl_1_Fbr: %04x\n", ptcw_1_Fbr); | |
5083 | printf("PhyCtl_1_Rts: %04x ", ptcw_1_Rts); | |
5084 | printf("PhyCtl_1_Fbr_Rts: %04x\n", ptcw_1_FbrRts); | |
5085 | printf("MainRates: %04x ", mainrates); | |
5086 | printf("XtraFrameTypes: %04x ", xtraft); | |
5087 | printf("\n"); | |
5088 | ||
5089 | bcm_format_hex(hexbuf, iv, sizeof(txh->IV)); | |
5090 | printf("SecIV: %s\n", hexbuf); | |
5091 | bcm_format_hex(hexbuf, ra, sizeof(txh->TxFrameRA)); | |
5092 | printf("RA: %s\n", hexbuf); | |
5093 | ||
5094 | printf("Fb FES Time: %04x ", tfestfb); | |
5095 | bcm_format_hex(hexbuf, rtspfb, sizeof(txh->RTSPLCPFallback)); | |
5096 | printf("RTS PLCP: %s ", hexbuf); | |
5097 | printf("RTS DUR: %04x ", rtsdfb); | |
5098 | bcm_format_hex(hexbuf, fragpfb, sizeof(txh->FragPLCPFallback)); | |
5099 | printf("PLCP: %s ", hexbuf); | |
5100 | printf("DUR: %04x", fragdfb); | |
5101 | printf("\n"); | |
5102 | ||
5103 | printf("MModeLen: %04x ", mmodelen); | |
5104 | printf("MModeFbrLen: %04x\n", mmodefbrlen); | |
5105 | ||
5106 | printf("FrameID: %04x\n", tfid); | |
5107 | printf("TxStatus: %04x\n", txs); | |
5108 | ||
5109 | printf("MaxNumMpdu: %04x\n", mnmpdu); | |
5110 | printf("MaxAggbyte: %04x\n", mabyte); | |
5111 | printf("MaxAggbyte_fb: %04x\n", mabyte_f); | |
5112 | printf("MinByte: %04x\n", mmbyte); | |
5113 | ||
5114 | bcm_format_hex(hexbuf, rtsph, sizeof(txh->RTSPhyHeader)); | |
5115 | printf("RTS PLCP: %s ", hexbuf); | |
41feb5ed | 5116 | bcm_format_hex(hexbuf, (u8 *) &rts, sizeof(txh->rts_frame)); |
a9533e7e HP |
5117 | printf("RTS Frame: %s", hexbuf); |
5118 | printf("\n"); | |
5119 | ||
a9533e7e HP |
5120 | } |
5121 | #endif /* defined(BCMDBG) */ | |
5122 | ||
5123 | #if defined(BCMDBG) | |
7cc4a4c0 | 5124 | void wlc_print_rxh(d11rxhdr_t *rxh) |
a9533e7e | 5125 | { |
7d4df48e GKH |
5126 | u16 len = rxh->RxFrameSize; |
5127 | u16 phystatus_0 = rxh->PhyRxStatus_0; | |
5128 | u16 phystatus_1 = rxh->PhyRxStatus_1; | |
5129 | u16 phystatus_2 = rxh->PhyRxStatus_2; | |
5130 | u16 phystatus_3 = rxh->PhyRxStatus_3; | |
5131 | u16 macstatus1 = rxh->RxStatus1; | |
5132 | u16 macstatus2 = rxh->RxStatus2; | |
a9533e7e HP |
5133 | char flagstr[64]; |
5134 | char lenbuf[20]; | |
5135 | static const bcm_bit_desc_t macstat_flags[] = { | |
5136 | {RXS_FCSERR, "FCSErr"}, | |
5137 | {RXS_RESPFRAMETX, "Reply"}, | |
5138 | {RXS_PBPRES, "PADDING"}, | |
5139 | {RXS_DECATMPT, "DeCr"}, | |
5140 | {RXS_DECERR, "DeCrErr"}, | |
5141 | {RXS_BCNSENT, "Bcn"}, | |
5142 | {0, NULL} | |
5143 | }; | |
5144 | ||
580a0bd9 | 5145 | prhex("Raw RxDesc", (unsigned char *) rxh, sizeof(d11rxhdr_t)); |
a9533e7e HP |
5146 | |
5147 | bcm_format_flags(macstat_flags, macstatus1, flagstr, 64); | |
5148 | ||
5149 | snprintf(lenbuf, sizeof(lenbuf), "0x%x", len); | |
5150 | ||
5151 | printf("RxFrameSize: %6s (%d)%s\n", lenbuf, len, | |
5152 | (rxh->PhyRxStatus_0 & PRXS0_SHORTH) ? " short preamble" : ""); | |
5153 | printf("RxPHYStatus: %04x %04x %04x %04x\n", | |
5154 | phystatus_0, phystatus_1, phystatus_2, phystatus_3); | |
5155 | printf("RxMACStatus: %x %s\n", macstatus1, flagstr); | |
5156 | printf("RXMACaggtype: %x\n", (macstatus2 & RXS_AGGTYPE_MASK)); | |
5157 | printf("RxTSFTime: %04x\n", rxh->RxTSFTime); | |
5158 | } | |
a9533e7e HP |
5159 | #endif /* defined(BCMDBG) */ |
5160 | ||
5161 | #if defined(BCMDBG) | |
580a0bd9 | 5162 | int wlc_format_ssid(char *buf, const unsigned char ssid[], uint ssid_len) |
a9533e7e HP |
5163 | { |
5164 | uint i, c; | |
5165 | char *p = buf; | |
5166 | char *endp = buf + SSID_FMT_BUF_LEN; | |
5167 | ||
5168 | if (ssid_len > DOT11_MAX_SSID_LEN) | |
5169 | ssid_len = DOT11_MAX_SSID_LEN; | |
5170 | ||
5171 | for (i = 0; i < ssid_len; i++) { | |
5172 | c = (uint) ssid[i]; | |
5173 | if (c == '\\') { | |
5174 | *p++ = '\\'; | |
5175 | *p++ = '\\'; | |
580a0bd9 | 5176 | } else if (isprint((unsigned char) c)) { |
a9533e7e HP |
5177 | *p++ = (char)c; |
5178 | } else { | |
5179 | p += snprintf(p, (endp - p), "\\x%02X", c); | |
5180 | } | |
5181 | } | |
5182 | *p = '\0'; | |
5183 | ASSERT(p < endp); | |
5184 | ||
5185 | return (int)(p - buf); | |
5186 | } | |
5187 | #endif /* defined(BCMDBG) */ | |
5188 | ||
7d4df48e | 5189 | u16 wlc_rate_shm_offset(wlc_info_t *wlc, u8 rate) |
a9533e7e | 5190 | { |
90ea2296 | 5191 | return wlc_bmac_rate_shm_offset(wlc->hw, rate); |
a9533e7e HP |
5192 | } |
5193 | ||
5194 | /* Callback for device removed */ | |
5195 | #if defined(WLC_HIGH_ONLY) | |
5196 | void wlc_device_removed(void *arg) | |
5197 | { | |
5198 | wlc_info_t *wlc = (wlc_info_t *) arg; | |
5199 | ||
0965ae88 | 5200 | wlc->device_present = false; |
a9533e7e HP |
5201 | } |
5202 | #endif /* WLC_HIGH_ONLY */ | |
5203 | ||
5204 | /* | |
5205 | * Attempts to queue a packet onto a multiple-precedence queue, | |
5206 | * if necessary evicting a lower precedence packet from the queue. | |
5207 | * | |
5208 | * 'prec' is the precedence number that has already been mapped | |
5209 | * from the packet priority. | |
5210 | * | |
0965ae88 | 5211 | * Returns true if packet consumed (queued), false if not. |
a9533e7e HP |
5212 | */ |
5213 | bool BCMFASTPATH | |
7cc4a4c0 | 5214 | wlc_prec_enq(wlc_info_t *wlc, struct pktq *q, void *pkt, int prec) |
a9533e7e | 5215 | { |
0965ae88 | 5216 | return wlc_prec_enq_head(wlc, q, pkt, prec, false); |
a9533e7e HP |
5217 | } |
5218 | ||
5219 | bool BCMFASTPATH | |
7cc4a4c0 | 5220 | wlc_prec_enq_head(wlc_info_t *wlc, struct pktq *q, void *pkt, int prec, |
a9533e7e HP |
5221 | bool head) |
5222 | { | |
5223 | void *p; | |
5224 | int eprec = -1; /* precedence to evict from */ | |
5225 | ||
5226 | /* Determine precedence from which to evict packet, if any */ | |
5227 | if (pktq_pfull(q, prec)) | |
5228 | eprec = prec; | |
5229 | else if (pktq_full(q)) { | |
5230 | p = pktq_peek_tail(q, &eprec); | |
5231 | ASSERT(p != NULL); | |
5232 | if (eprec > prec) { | |
5233 | WL_ERROR(("%s: Failing: eprec %d > prec %d\n", __func__, | |
5234 | eprec, prec)); | |
0965ae88 | 5235 | return false; |
a9533e7e HP |
5236 | } |
5237 | } | |
5238 | ||
5239 | /* Evict if needed */ | |
5240 | if (eprec >= 0) { | |
5241 | bool discard_oldest; | |
5242 | ||
5243 | /* Detect queueing to unconfigured precedence */ | |
5244 | ASSERT(!pktq_pempty(q, eprec)); | |
5245 | ||
5246 | discard_oldest = AC_BITMAP_TST(wlc->wme_dp, eprec); | |
5247 | ||
5248 | /* Refuse newer packet unless configured to discard oldest */ | |
5249 | if (eprec == prec && !discard_oldest) { | |
5250 | WL_ERROR(("%s: No where to go, prec == %d\n", __func__, | |
5251 | prec)); | |
0965ae88 | 5252 | return false; |
a9533e7e HP |
5253 | } |
5254 | ||
5255 | /* Evict packet according to discard policy */ | |
5256 | p = discard_oldest ? pktq_pdeq(q, eprec) : pktq_pdeq_tail(q, | |
5257 | eprec); | |
5258 | ASSERT(p != NULL); | |
5259 | ||
5260 | /* Increment wme stats */ | |
5261 | if (WME_ENAB(wlc->pub)) { | |
5262 | WLCNTINCR(wlc->pub->_wme_cnt-> | |
5263 | tx_failed[WME_PRIO2AC(PKTPRIO(p))].packets); | |
5264 | WLCNTADD(wlc->pub->_wme_cnt-> | |
5265 | tx_failed[WME_PRIO2AC(PKTPRIO(p))].bytes, | |
5266 | pkttotlen(wlc->osh, p)); | |
5267 | } | |
5268 | ||
5269 | ASSERT(0); | |
0f0881b0 | 5270 | PKTFREE(wlc->osh, p, true); |
a9533e7e HP |
5271 | WLCNTINCR(wlc->pub->_cnt->txnobuf); |
5272 | } | |
5273 | ||
5274 | /* Enqueue */ | |
5275 | if (head) | |
5276 | p = pktq_penq_head(q, prec, pkt); | |
5277 | else | |
5278 | p = pktq_penq(q, prec, pkt); | |
5279 | ASSERT(p != NULL); | |
5280 | ||
0f0881b0 | 5281 | return true; |
a9533e7e HP |
5282 | } |
5283 | ||
5284 | void BCMFASTPATH wlc_txq_enq(void *ctx, struct scb *scb, void *sdu, uint prec) | |
5285 | { | |
5286 | wlc_info_t *wlc = (wlc_info_t *) ctx; | |
5287 | wlc_txq_info_t *qi = wlc->active_queue; /* Check me */ | |
5288 | struct pktq *q = &qi->q; | |
5289 | int prio; | |
5290 | ||
5291 | prio = PKTPRIO(sdu); | |
5292 | ||
5293 | ASSERT(pktq_max(q) >= wlc->pub->tunables->datahiwat); | |
5294 | ||
5295 | if (!wlc_prec_enq(wlc, q, sdu, prec)) { | |
5296 | if (!EDCF_ENAB(wlc->pub) | |
5297 | || (wlc->pub->wlfeatureflag & WL_SWFL_FLOWCONTROL)) | |
5298 | WL_ERROR(("wl%d: wlc_txq_enq: txq overflow\n", | |
5299 | wlc->pub->unit)); | |
5300 | ||
5301 | /* ASSERT(9 == 8); *//* XXX we might hit this condtion in case packet flooding from mac80211 stack */ | |
0f0881b0 | 5302 | PKTFREE(wlc->osh, sdu, true); |
a9533e7e HP |
5303 | WLCNTINCR(wlc->pub->_cnt->txnobuf); |
5304 | } | |
5305 | ||
5306 | /* Check if flow control needs to be turned on after enqueuing the packet | |
5307 | * Don't turn on flow control if EDCF is enabled. Driver would make the decision on what | |
5308 | * to drop instead of relying on stack to make the right decision | |
5309 | */ | |
5310 | if (!EDCF_ENAB(wlc->pub) | |
5311 | || (wlc->pub->wlfeatureflag & WL_SWFL_FLOWCONTROL)) { | |
5312 | if (pktq_len(q) >= wlc->pub->tunables->datahiwat) { | |
5313 | wlc_txflowcontrol(wlc, qi, ON, ALLPRIO); | |
5314 | } | |
5315 | } else if (wlc->pub->_priofc) { | |
5316 | if (pktq_plen(q, wlc_prio2prec_map[prio]) >= | |
5317 | wlc->pub->tunables->datahiwat) { | |
5318 | wlc_txflowcontrol(wlc, qi, ON, prio); | |
5319 | } | |
5320 | } | |
5321 | } | |
5322 | ||
5323 | bool BCMFASTPATH | |
7cc4a4c0 | 5324 | wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw) |
a9533e7e | 5325 | { |
41feb5ed | 5326 | u8 prio; |
a9533e7e HP |
5327 | uint fifo; |
5328 | void *pkt; | |
5329 | struct scb *scb = &global_scb; | |
5330 | struct dot11_header *d11_header = (struct dot11_header *)PKTDATA(sdu); | |
7d4df48e | 5331 | u16 type, fc; |
a9533e7e HP |
5332 | |
5333 | ASSERT(sdu); | |
5334 | ||
5335 | fc = ltoh16(d11_header->fc); | |
5336 | type = FC_TYPE(fc); | |
5337 | ||
5338 | /* 802.11 standard requires management traffic to go at highest priority */ | |
5339 | prio = (type == FC_TYPE_DATA ? PKTPRIO(sdu) : MAXPRIO); | |
5340 | fifo = prio2fifo[prio]; | |
5341 | ||
5342 | ASSERT((uint) PKTHEADROOM(sdu) >= TXOFF); | |
5343 | ASSERT(!PKTSHARED(sdu)); | |
5344 | ASSERT(!PKTNEXT(sdu)); | |
5345 | ASSERT(!PKTLINK(sdu)); | |
5346 | ASSERT(fifo < NFIFO); | |
5347 | ||
5348 | pkt = sdu; | |
5349 | if (unlikely | |
5350 | (wlc_d11hdrs_mac80211(wlc, hw, pkt, scb, 0, 1, fifo, 0, NULL, 0))) | |
5351 | return -EINVAL; | |
5352 | wlc_txq_enq(wlc, scb, pkt, WLC_PRIO_TO_PREC(prio)); | |
5353 | wlc_send_q(wlc, wlc->active_queue); | |
5354 | ||
5355 | WLCNTINCR(wlc->pub->_cnt->ieee_tx); | |
5356 | return 0; | |
5357 | } | |
5358 | ||
7cc4a4c0 | 5359 | void BCMFASTPATH wlc_send_q(wlc_info_t *wlc, wlc_txq_info_t *qi) |
a9533e7e HP |
5360 | { |
5361 | void *pkt[DOT11_MAXNUMFRAGS]; | |
5362 | int prec; | |
7d4df48e | 5363 | u16 prec_map; |
a9533e7e HP |
5364 | int err = 0, i, count; |
5365 | uint fifo; | |
5366 | struct pktq *q = &qi->q; | |
5367 | struct ieee80211_tx_info *tx_info; | |
5368 | ||
5369 | /* only do work for the active queue */ | |
5370 | if (qi != wlc->active_queue) | |
5371 | return; | |
5372 | ||
5373 | if (in_send_q) | |
5374 | return; | |
5375 | else | |
0f0881b0 | 5376 | in_send_q = true; |
a9533e7e HP |
5377 | |
5378 | prec_map = wlc->tx_prec_map; | |
5379 | ||
5380 | /* Send all the enq'd pkts that we can. | |
5381 | * Dequeue packets with precedence with empty HW fifo only | |
5382 | */ | |
5383 | while (prec_map && (pkt[0] = pktq_mdeq(q, prec_map, &prec))) { | |
5384 | tx_info = IEEE80211_SKB_CB(pkt[0]); | |
5385 | if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) { | |
5386 | err = wlc_sendampdu(wlc->ampdu, qi, pkt, prec); | |
5387 | } else { | |
5388 | count = 1; | |
5389 | err = wlc_prep_pdu(wlc, pkt[0], &fifo); | |
5390 | if (!err) { | |
5391 | for (i = 0; i < count; i++) { | |
0f0881b0 | 5392 | wlc_txfifo(wlc, fifo, pkt[i], true, 1); |
a9533e7e HP |
5393 | } |
5394 | } | |
5395 | } | |
5396 | ||
5397 | if (err == BCME_BUSY) { | |
5398 | pktq_penq_head(q, prec, pkt[0]); | |
5399 | /* If send failed due to any other reason than a change in | |
5400 | * HW FIFO condition, quit. Otherwise, read the new prec_map! | |
5401 | */ | |
5402 | if (prec_map == wlc->tx_prec_map) | |
5403 | break; | |
5404 | prec_map = wlc->tx_prec_map; | |
5405 | } | |
5406 | } | |
5407 | ||
5408 | /* Check if flow control needs to be turned off after sending the packet */ | |
5409 | if (!EDCF_ENAB(wlc->pub) | |
5410 | || (wlc->pub->wlfeatureflag & WL_SWFL_FLOWCONTROL)) { | |
5411 | if (wlc_txflowcontrol_prio_isset(wlc, qi, ALLPRIO) | |
5412 | && (pktq_len(q) < wlc->pub->tunables->datahiwat / 2)) { | |
5413 | wlc_txflowcontrol(wlc, qi, OFF, ALLPRIO); | |
5414 | } | |
5415 | } else if (wlc->pub->_priofc) { | |
5416 | int prio; | |
5417 | for (prio = MAXPRIO; prio >= 0; prio--) { | |
5418 | if (wlc_txflowcontrol_prio_isset(wlc, qi, prio) && | |
5419 | (pktq_plen(q, wlc_prio2prec_map[prio]) < | |
5420 | wlc->pub->tunables->datahiwat / 2)) { | |
5421 | wlc_txflowcontrol(wlc, qi, OFF, prio); | |
5422 | } | |
5423 | } | |
5424 | } | |
0965ae88 | 5425 | in_send_q = false; |
a9533e7e HP |
5426 | } |
5427 | ||
5428 | /* | |
5429 | * bcmc_fid_generate: | |
5430 | * Generate frame ID for a BCMC packet. The frag field is not used | |
5431 | * for MC frames so is used as part of the sequence number. | |
5432 | */ | |
7d4df48e | 5433 | static inline u16 |
7cc4a4c0 | 5434 | bcmc_fid_generate(wlc_info_t *wlc, wlc_bsscfg_t *bsscfg, d11txh_t *txh) |
a9533e7e | 5435 | { |
7d4df48e | 5436 | u16 frameid; |
a9533e7e HP |
5437 | |
5438 | frameid = ltoh16(txh->TxFrameID) & ~(TXFID_SEQ_MASK | TXFID_QUEUE_MASK); | |
5439 | frameid |= | |
5440 | (((wlc-> | |
5441 | mc_fid_counter++) << TXFID_SEQ_SHIFT) & TXFID_SEQ_MASK) | | |
5442 | TX_BCMC_FIFO; | |
5443 | ||
5444 | return frameid; | |
5445 | } | |
5446 | ||
5447 | void BCMFASTPATH | |
562c8850 | 5448 | wlc_txfifo(wlc_info_t *wlc, uint fifo, void *p, bool commit, s8 txpktpend) |
a9533e7e | 5449 | { |
7d4df48e | 5450 | u16 frameid = INVALIDFID; |
a9533e7e HP |
5451 | d11txh_t *txh; |
5452 | ||
5453 | ASSERT(fifo < NFIFO); | |
5454 | txh = (d11txh_t *) PKTDATA(p); | |
5455 | ||
5456 | /* When a BC/MC frame is being committed to the BCMC fifo via DMA (NOT PIO), update | |
5457 | * ucode or BSS info as appropriate. | |
5458 | */ | |
5459 | if (fifo == TX_BCMC_FIFO) { | |
5460 | frameid = ltoh16(txh->TxFrameID); | |
5461 | ||
5462 | } | |
5463 | ||
5464 | if (WLC_WAR16165(wlc)) | |
0f0881b0 | 5465 | wlc_war16165(wlc, true); |
a9533e7e HP |
5466 | |
5467 | #ifdef WLC_HIGH_ONLY | |
5468 | if (RPCTX_ENAB(wlc->pub)) { | |
5469 | (void)wlc_rpctx_tx(wlc->rpctx, fifo, p, commit, frameid, | |
5470 | txpktpend); | |
5471 | return; | |
5472 | } | |
5473 | #else | |
5474 | ||
5475 | /* Bump up pending count for if not using rpc. If rpc is used, this will be handled | |
5476 | * in wlc_bmac_txfifo() | |
5477 | */ | |
5478 | if (commit) { | |
5479 | TXPKTPENDINC(wlc, fifo, txpktpend); | |
5480 | WL_TRACE(("wlc_txfifo, pktpend inc %d to %d\n", txpktpend, | |
5481 | TXPKTPENDGET(wlc, fifo))); | |
5482 | } | |
5483 | ||
5484 | /* Commit BCMC sequence number in the SHM frame ID location */ | |
5485 | if (frameid != INVALIDFID) | |
5486 | BCMCFID(wlc, frameid); | |
5487 | ||
5488 | if (dma_txfast(wlc->hw->di[fifo], p, commit) < 0) { | |
5489 | WL_ERROR(("wlc_txfifo: fatal, toss frames !!!\n")); | |
5490 | } | |
5491 | #endif /* WLC_HIGH_ONLY */ | |
5492 | } | |
5493 | ||
7d4df48e | 5494 | static u16 |
7cc4a4c0 | 5495 | wlc_compute_airtime(wlc_info_t *wlc, ratespec_t rspec, uint length) |
a9533e7e | 5496 | { |
7d4df48e | 5497 | u16 usec = 0; |
a9533e7e HP |
5498 | uint mac_rate = RSPEC2RATE(rspec); |
5499 | uint nsyms; | |
5500 | ||
5501 | if (IS_MCS(rspec)) { | |
5502 | /* not supported yet */ | |
5503 | ASSERT(0); | |
5504 | } else if (IS_OFDM(rspec)) { | |
5505 | /* nsyms = Ceiling(Nbits / (Nbits/sym)) | |
5506 | * | |
5507 | * Nbits = length * 8 | |
5508 | * Nbits/sym = Mbps * 4 = mac_rate * 2 | |
5509 | */ | |
5510 | nsyms = CEIL((length * 8), (mac_rate * 2)); | |
5511 | ||
5512 | /* usec = symbols * usec/symbol */ | |
7d4df48e | 5513 | usec = (u16) (nsyms * APHY_SYMBOL_TIME); |
90ea2296 | 5514 | return usec; |
a9533e7e HP |
5515 | } else { |
5516 | switch (mac_rate) { | |
5517 | case WLC_RATE_1M: | |
5518 | usec = length << 3; | |
5519 | break; | |
5520 | case WLC_RATE_2M: | |
5521 | usec = length << 2; | |
5522 | break; | |
5523 | case WLC_RATE_5M5: | |
5524 | usec = (length << 4) / 11; | |
5525 | break; | |
5526 | case WLC_RATE_11M: | |
5527 | usec = (length << 3) / 11; | |
5528 | break; | |
5529 | default: | |
5530 | WL_ERROR(("wl%d: wlc_compute_airtime: unsupported rspec 0x%x\n", wlc->pub->unit, rspec)); | |
5531 | ASSERT((const char *)"Bad phy_rate" == NULL); | |
5532 | break; | |
5533 | } | |
5534 | } | |
5535 | ||
90ea2296 | 5536 | return usec; |
a9533e7e HP |
5537 | } |
5538 | ||
5539 | void BCMFASTPATH | |
41feb5ed | 5540 | wlc_compute_plcp(wlc_info_t *wlc, ratespec_t rspec, uint length, u8 *plcp) |
a9533e7e HP |
5541 | { |
5542 | if (IS_MCS(rspec)) { | |
5543 | wlc_compute_mimo_plcp(rspec, length, plcp); | |
5544 | } else if (IS_OFDM(rspec)) { | |
5545 | wlc_compute_ofdm_plcp(rspec, length, plcp); | |
5546 | } else { | |
5547 | wlc_compute_cck_plcp(rspec, length, plcp); | |
5548 | } | |
5549 | return; | |
5550 | } | |
5551 | ||
5552 | /* Rate: 802.11 rate code, length: PSDU length in octets */ | |
41feb5ed | 5553 | static void wlc_compute_mimo_plcp(ratespec_t rspec, uint length, u8 *plcp) |
a9533e7e | 5554 | { |
41feb5ed | 5555 | u8 mcs = (u8) (rspec & RSPEC_RATE_MASK); |
a9533e7e HP |
5556 | ASSERT(IS_MCS(rspec)); |
5557 | plcp[0] = mcs; | |
5558 | if (RSPEC_IS40MHZ(rspec) || (mcs == 32)) | |
5559 | plcp[0] |= MIMO_PLCP_40MHZ; | |
5560 | WLC_SET_MIMO_PLCP_LEN(plcp, length); | |
5561 | plcp[3] = RSPEC_MIMOPLCP3(rspec); /* rspec already holds this byte */ | |
5562 | plcp[3] |= 0x7; /* set smoothing, not sounding ppdu & reserved */ | |
5563 | plcp[4] = 0; /* number of extension spatial streams bit 0 & 1 */ | |
5564 | plcp[5] = 0; | |
5565 | } | |
5566 | ||
5567 | /* Rate: 802.11 rate code, length: PSDU length in octets */ | |
5568 | static void BCMFASTPATH | |
66cbd3ab | 5569 | wlc_compute_ofdm_plcp(ratespec_t rspec, u32 length, u8 *plcp) |
a9533e7e | 5570 | { |
41feb5ed | 5571 | u8 rate_signal; |
66cbd3ab | 5572 | u32 tmp = 0; |
a9533e7e HP |
5573 | int rate = RSPEC2RATE(rspec); |
5574 | ||
5575 | ASSERT(IS_OFDM(rspec)); | |
5576 | ||
5577 | /* encode rate per 802.11a-1999 sec 17.3.4.1, with lsb transmitted first */ | |
5578 | rate_signal = rate_info[rate] & RATE_MASK; | |
5579 | ASSERT(rate_signal != 0); | |
5580 | ||
5581 | bzero(plcp, D11_PHY_HDR_LEN); | |
5582 | D11A_PHY_HDR_SRATE((ofdm_phy_hdr_t *) plcp, rate_signal); | |
5583 | ||
5584 | tmp = (length & 0xfff) << 5; | |
5585 | plcp[2] |= (tmp >> 16) & 0xff; | |
5586 | plcp[1] |= (tmp >> 8) & 0xff; | |
5587 | plcp[0] |= tmp & 0xff; | |
5588 | ||
5589 | return; | |
5590 | } | |
5591 | ||
5592 | /* | |
5593 | * Compute PLCP, but only requires actual rate and length of pkt. | |
5594 | * Rate is given in the driver standard multiple of 500 kbps. | |
5595 | * le is set for 11 Mbps rate if necessary. | |
5596 | * Broken out for PRQ. | |
5597 | */ | |
5598 | ||
41feb5ed | 5599 | static void wlc_cck_plcp_set(int rate_500, uint length, u8 *plcp) |
a9533e7e | 5600 | { |
7d4df48e | 5601 | u16 usec = 0; |
41feb5ed | 5602 | u8 le = 0; |
a9533e7e HP |
5603 | |
5604 | switch (rate_500) { | |
5605 | case WLC_RATE_1M: | |
5606 | usec = length << 3; | |
5607 | break; | |
5608 | case WLC_RATE_2M: | |
5609 | usec = length << 2; | |
5610 | break; | |
5611 | case WLC_RATE_5M5: | |
5612 | usec = (length << 4) / 11; | |
5613 | if ((length << 4) - (usec * 11) > 0) | |
5614 | usec++; | |
5615 | break; | |
5616 | case WLC_RATE_11M: | |
5617 | usec = (length << 3) / 11; | |
5618 | if ((length << 3) - (usec * 11) > 0) { | |
5619 | usec++; | |
5620 | if ((usec * 11) - (length << 3) >= 8) | |
5621 | le = D11B_PLCP_SIGNAL_LE; | |
5622 | } | |
5623 | break; | |
5624 | ||
5625 | default: | |
5626 | WL_ERROR(("wlc_cck_plcp_set: unsupported rate %d\n", rate_500)); | |
5627 | rate_500 = WLC_RATE_1M; | |
5628 | usec = length << 3; | |
5629 | break; | |
5630 | } | |
5631 | /* PLCP signal byte */ | |
5632 | plcp[0] = rate_500 * 5; /* r (500kbps) * 5 == r (100kbps) */ | |
5633 | /* PLCP service byte */ | |
41feb5ed | 5634 | plcp[1] = (u8) (le | D11B_PLCP_SIGNAL_LOCKED); |
7d4df48e | 5635 | /* PLCP length u16, little endian */ |
a9533e7e HP |
5636 | plcp[2] = usec & 0xff; |
5637 | plcp[3] = (usec >> 8) & 0xff; | |
5638 | /* PLCP CRC16 */ | |
5639 | plcp[4] = 0; | |
5640 | plcp[5] = 0; | |
5641 | } | |
5642 | ||
5643 | /* Rate: 802.11 rate code, length: PSDU length in octets */ | |
41feb5ed | 5644 | static void wlc_compute_cck_plcp(ratespec_t rspec, uint length, u8 *plcp) |
a9533e7e HP |
5645 | { |
5646 | int rate = RSPEC2RATE(rspec); | |
5647 | ||
5648 | ASSERT(IS_CCK(rspec)); | |
5649 | ||
5650 | wlc_cck_plcp_set(rate, length, plcp); | |
5651 | } | |
5652 | ||
5653 | /* wlc_compute_frame_dur() | |
5654 | * | |
5655 | * Calculate the 802.11 MAC header DUR field for MPDU | |
5656 | * DUR for a single frame = 1 SIFS + 1 ACK | |
5657 | * DUR for a frame with following frags = 3 SIFS + 2 ACK + next frag time | |
5658 | * | |
5659 | * rate MPDU rate in unit of 500kbps | |
5660 | * next_frag_len next MPDU length in bytes | |
5661 | * preamble_type use short/GF or long/MM PLCP header | |
5662 | */ | |
7d4df48e | 5663 | static u16 BCMFASTPATH |
41feb5ed | 5664 | wlc_compute_frame_dur(wlc_info_t *wlc, ratespec_t rate, u8 preamble_type, |
a9533e7e HP |
5665 | uint next_frag_len) |
5666 | { | |
7d4df48e | 5667 | u16 dur, sifs; |
a9533e7e HP |
5668 | |
5669 | sifs = SIFS(wlc->band); | |
5670 | ||
5671 | dur = sifs; | |
7d4df48e | 5672 | dur += (u16) wlc_calc_ack_time(wlc, rate, preamble_type); |
a9533e7e HP |
5673 | |
5674 | if (next_frag_len) { | |
5675 | /* Double the current DUR to get 2 SIFS + 2 ACKs */ | |
5676 | dur *= 2; | |
5677 | /* add another SIFS and the frag time */ | |
5678 | dur += sifs; | |
5679 | dur += | |
7d4df48e | 5680 | (u16) wlc_calc_frame_time(wlc, rate, preamble_type, |
a9533e7e HP |
5681 | next_frag_len); |
5682 | } | |
90ea2296 | 5683 | return dur; |
a9533e7e HP |
5684 | } |
5685 | ||
5686 | /* wlc_compute_rtscts_dur() | |
5687 | * | |
5688 | * Calculate the 802.11 MAC header DUR field for an RTS or CTS frame | |
5689 | * DUR for normal RTS/CTS w/ frame = 3 SIFS + 1 CTS + next frame time + 1 ACK | |
5690 | * DUR for CTS-TO-SELF w/ frame = 2 SIFS + next frame time + 1 ACK | |
5691 | * | |
5692 | * cts cts-to-self or rts/cts | |
5693 | * rts_rate rts or cts rate in unit of 500kbps | |
5694 | * rate next MPDU rate in unit of 500kbps | |
5695 | * frame_len next MPDU frame length in bytes | |
5696 | */ | |
7d4df48e | 5697 | u16 BCMFASTPATH |
7cc4a4c0 | 5698 | wlc_compute_rtscts_dur(wlc_info_t *wlc, bool cts_only, ratespec_t rts_rate, |
41feb5ed GKH |
5699 | ratespec_t frame_rate, u8 rts_preamble_type, |
5700 | u8 frame_preamble_type, uint frame_len, bool ba) | |
a9533e7e | 5701 | { |
7d4df48e | 5702 | u16 dur, sifs; |
a9533e7e HP |
5703 | |
5704 | sifs = SIFS(wlc->band); | |
5705 | ||
5706 | if (!cts_only) { /* RTS/CTS */ | |
5707 | dur = 3 * sifs; | |
5708 | dur += | |
7d4df48e | 5709 | (u16) wlc_calc_cts_time(wlc, rts_rate, |
a9533e7e HP |
5710 | rts_preamble_type); |
5711 | } else { /* CTS-TO-SELF */ | |
5712 | dur = 2 * sifs; | |
5713 | } | |
5714 | ||
5715 | dur += | |
7d4df48e | 5716 | (u16) wlc_calc_frame_time(wlc, frame_rate, frame_preamble_type, |
a9533e7e HP |
5717 | frame_len); |
5718 | if (ba) | |
5719 | dur += | |
7d4df48e | 5720 | (u16) wlc_calc_ba_time(wlc, frame_rate, |
a9533e7e HP |
5721 | WLC_SHORT_PREAMBLE); |
5722 | else | |
5723 | dur += | |
7d4df48e | 5724 | (u16) wlc_calc_ack_time(wlc, frame_rate, |
a9533e7e | 5725 | frame_preamble_type); |
90ea2296 | 5726 | return dur; |
a9533e7e HP |
5727 | } |
5728 | ||
7d4df48e | 5729 | static bool wlc_phy_rspec_check(wlc_info_t *wlc, u16 bw, ratespec_t rspec) |
a9533e7e HP |
5730 | { |
5731 | if (IS_MCS(rspec)) { | |
5732 | uint mcs = rspec & RSPEC_RATE_MASK; | |
5733 | ||
5734 | if (mcs < 8) { | |
5735 | ASSERT(RSPEC_STF(rspec) < PHY_TXC1_MODE_SDM); | |
5736 | } else if ((mcs >= 8) && (mcs <= 23)) { | |
5737 | ASSERT(RSPEC_STF(rspec) == PHY_TXC1_MODE_SDM); | |
5738 | } else if (mcs == 32) { | |
5739 | ASSERT(RSPEC_STF(rspec) < PHY_TXC1_MODE_SDM); | |
5740 | ASSERT(bw == PHY_TXC1_BW_40MHZ_DUP); | |
5741 | } | |
5742 | } else if (IS_OFDM(rspec)) { | |
5743 | ASSERT(RSPEC_STF(rspec) < PHY_TXC1_MODE_STBC); | |
5744 | } else { | |
5745 | ASSERT(IS_CCK(rspec)); | |
5746 | ||
5747 | ASSERT((bw == PHY_TXC1_BW_20MHZ) | |
5748 | || (bw == PHY_TXC1_BW_20MHZ_UP)); | |
5749 | ASSERT(RSPEC_STF(rspec) == PHY_TXC1_MODE_SISO); | |
5750 | } | |
5751 | ||
0f0881b0 | 5752 | return true; |
a9533e7e HP |
5753 | } |
5754 | ||
7d4df48e | 5755 | u16 BCMFASTPATH wlc_phytxctl1_calc(wlc_info_t *wlc, ratespec_t rspec) |
a9533e7e | 5756 | { |
7d4df48e GKH |
5757 | u16 phyctl1 = 0; |
5758 | u16 bw; | |
a9533e7e HP |
5759 | |
5760 | if (WLCISLCNPHY(wlc->band)) { | |
5761 | bw = PHY_TXC1_BW_20MHZ; | |
5762 | } else { | |
5763 | bw = RSPEC_GET_BW(rspec); | |
5764 | /* 10Mhz is not supported yet */ | |
5765 | if (bw < PHY_TXC1_BW_20MHZ) { | |
5766 | WL_ERROR(("wlc_phytxctl1_calc: bw %d is not supported yet, set to 20L\n", bw)); | |
5767 | bw = PHY_TXC1_BW_20MHZ; | |
5768 | } | |
5769 | ||
5770 | wlc_phy_rspec_check(wlc, bw, rspec); | |
5771 | } | |
5772 | ||
5773 | if (IS_MCS(rspec)) { | |
5774 | uint mcs = rspec & RSPEC_RATE_MASK; | |
5775 | ||
5776 | /* bw, stf, coding-type is part of RSPEC_PHYTXBYTE2 returns */ | |
5777 | phyctl1 = RSPEC_PHYTXBYTE2(rspec); | |
5778 | /* set the upper byte of phyctl1 */ | |
5779 | phyctl1 |= (mcs_table[mcs].tx_phy_ctl3 << 8); | |
5780 | } else if (IS_CCK(rspec) && !WLCISLCNPHY(wlc->band) | |
5781 | && !WLCISSSLPNPHY(wlc->band)) { | |
5782 | /* In CCK mode LPPHY overloads OFDM Modulation bits with CCK Data Rate */ | |
5783 | /* Eventually MIMOPHY would also be converted to this format */ | |
5784 | /* 0 = 1Mbps; 1 = 2Mbps; 2 = 5.5Mbps; 3 = 11Mbps */ | |
5785 | phyctl1 = (bw | (RSPEC_STF(rspec) << PHY_TXC1_MODE_SHIFT)); | |
5786 | } else { /* legacy OFDM/CCK */ | |
e59fe083 | 5787 | s16 phycfg; |
a9533e7e | 5788 | /* get the phyctl byte from rate phycfg table */ |
ca8c1e59 JC |
5789 | phycfg = wlc_rate_legacy_phyctl(RSPEC2RATE(rspec)); |
5790 | if (phycfg == -1) { | |
a9533e7e HP |
5791 | WL_ERROR(("wlc_phytxctl1_calc: wrong legacy OFDM/CCK rate\n")); |
5792 | ASSERT(0); | |
5793 | phycfg = 0; | |
5794 | } | |
5795 | /* set the upper byte of phyctl1 */ | |
5796 | phyctl1 = | |
5797 | (bw | (phycfg << 8) | | |
5798 | (RSPEC_STF(rspec) << PHY_TXC1_MODE_SHIFT)); | |
5799 | } | |
5800 | ||
5801 | #ifdef BCMDBG | |
5802 | /* phy clock must support 40Mhz if tx descriptor uses it */ | |
5803 | if ((phyctl1 & PHY_TXC1_BW_MASK) >= PHY_TXC1_BW_40MHZ) { | |
5804 | ASSERT(CHSPEC_WLC_BW(wlc->chanspec) == WLC_40_MHZ); | |
5805 | #ifndef WLC_HIGH_ONLY | |
5806 | ASSERT(wlc->chanspec == wlc_phy_chanspec_get(wlc->band->pi)); | |
5807 | #endif | |
5808 | } | |
5809 | #endif /* BCMDBG */ | |
5810 | return phyctl1; | |
5811 | } | |
5812 | ||
5813 | ratespec_t BCMFASTPATH | |
7cc4a4c0 | 5814 | wlc_rspec_to_rts_rspec(wlc_info_t *wlc, ratespec_t rspec, bool use_rspec, |
7d4df48e | 5815 | u16 mimo_ctlchbw) |
a9533e7e HP |
5816 | { |
5817 | ratespec_t rts_rspec = 0; | |
5818 | ||
5819 | if (use_rspec) { | |
5820 | /* use frame rate as rts rate */ | |
5821 | rts_rspec = rspec; | |
5822 | ||
5823 | } else if (wlc->band->gmode && wlc->protection->_g && !IS_CCK(rspec)) { | |
5824 | /* Use 11Mbps as the g protection RTS target rate and fallback. | |
5825 | * Use the WLC_BASIC_RATE() lookup to find the best basic rate under the | |
5826 | * target in case 11 Mbps is not Basic. | |
5827 | * 6 and 9 Mbps are not usually selected by rate selection, but even | |
5828 | * if the OFDM rate we are protecting is 6 or 9 Mbps, 11 is more robust. | |
5829 | */ | |
5830 | rts_rspec = WLC_BASIC_RATE(wlc, WLC_RATE_11M); | |
5831 | } else { | |
5832 | /* calculate RTS rate and fallback rate based on the frame rate | |
5833 | * RTS must be sent at a basic rate since it is a | |
5834 | * control frame, sec 9.6 of 802.11 spec | |
5835 | */ | |
5836 | rts_rspec = WLC_BASIC_RATE(wlc, rspec); | |
5837 | } | |
5838 | ||
5839 | if (WLC_PHY_11N_CAP(wlc->band)) { | |
5840 | /* set rts txbw to correct side band */ | |
5841 | rts_rspec &= ~RSPEC_BW_MASK; | |
5842 | ||
5843 | /* if rspec/rspec_fallback is 40MHz, then send RTS on both 20MHz channel | |
5844 | * (DUP), otherwise send RTS on control channel | |
5845 | */ | |
5846 | if (RSPEC_IS40MHZ(rspec) && !IS_CCK(rts_rspec)) | |
5847 | rts_rspec |= (PHY_TXC1_BW_40MHZ_DUP << RSPEC_BW_SHIFT); | |
5848 | else | |
5849 | rts_rspec |= (mimo_ctlchbw << RSPEC_BW_SHIFT); | |
5850 | ||
5851 | /* pick siso/cdd as default for ofdm */ | |
5852 | if (IS_OFDM(rts_rspec)) { | |
5853 | rts_rspec &= ~RSPEC_STF_MASK; | |
5854 | rts_rspec |= (wlc->stf->ss_opmode << RSPEC_STF_SHIFT); | |
5855 | } | |
5856 | } | |
5857 | return rts_rspec; | |
5858 | } | |
5859 | ||
5860 | /* | |
5861 | * Add d11txh_t, cck_phy_hdr_t. | |
5862 | * | |
5863 | * 'p' data must start with 802.11 MAC header | |
5864 | * 'p' must allow enough bytes of local headers to be "pushed" onto the packet | |
5865 | * | |
5866 | * headroom == D11_PHY_HDR_LEN + D11_TXH_LEN (D11_TXH_LEN is now 104 bytes) | |
5867 | * | |
5868 | */ | |
7d4df48e | 5869 | static u16 BCMFASTPATH |
7cc4a4c0 | 5870 | wlc_d11hdrs_mac80211(wlc_info_t *wlc, struct ieee80211_hw *hw, |
a9533e7e HP |
5871 | void *p, struct scb *scb, uint frag, |
5872 | uint nfrags, uint queue, uint next_frag_len, | |
7cc4a4c0 | 5873 | wsec_key_t *key, ratespec_t rspec_override) |
a9533e7e HP |
5874 | { |
5875 | struct dot11_header *h; | |
5876 | d11txh_t *txh; | |
41feb5ed | 5877 | u8 *plcp, plcp_fallback[D11_PHY_HDR_LEN]; |
a9533e7e HP |
5878 | osl_t *osh; |
5879 | int len, phylen, rts_phylen; | |
7d4df48e GKH |
5880 | u16 fc, type, frameid, mch, phyctl, xfts, mainrates; |
5881 | u16 seq = 0, mcl = 0, status = 0; | |
a9533e7e HP |
5882 | ratespec_t rspec[2] = { WLC_RATE_1M, WLC_RATE_1M }, rts_rspec[2] = { |
5883 | WLC_RATE_1M, WLC_RATE_1M}; | |
0965ae88 GKH |
5884 | bool use_rts = false; |
5885 | bool use_cts = false; | |
5886 | bool use_rifs = false; | |
5887 | bool short_preamble[2] = { false, false }; | |
41feb5ed GKH |
5888 | u8 preamble_type[2] = { WLC_LONG_PREAMBLE, WLC_LONG_PREAMBLE }; |
5889 | u8 rts_preamble_type[2] = { WLC_LONG_PREAMBLE, WLC_LONG_PREAMBLE }; | |
5890 | u8 *rts_plcp, rts_plcp_fallback[D11_PHY_HDR_LEN]; | |
a9533e7e HP |
5891 | struct dot11_rts_frame *rts = NULL; |
5892 | bool qos; | |
5893 | uint ac; | |
66cbd3ab | 5894 | u32 rate_val[2]; |
0965ae88 | 5895 | bool hwtkmic = false; |
7d4df48e | 5896 | u16 mimo_ctlchbw = PHY_TXC1_BW_20MHZ; |
a9533e7e HP |
5897 | #ifdef WLANTSEL |
5898 | #define ANTCFG_NONE 0xFF | |
41feb5ed GKH |
5899 | u8 antcfg = ANTCFG_NONE; |
5900 | u8 fbantcfg = ANTCFG_NONE; | |
a9533e7e HP |
5901 | #endif |
5902 | uint phyctl1_stf = 0; | |
7d4df48e | 5903 | u16 durid = 0; |
a9533e7e HP |
5904 | struct ieee80211_tx_rate *txrate[2]; |
5905 | int k; | |
5906 | struct ieee80211_tx_info *tx_info; | |
5907 | bool is_mcs[2]; | |
7d4df48e | 5908 | u16 mimo_txbw; |
41feb5ed | 5909 | u8 mimo_preamble_type; |
a9533e7e HP |
5910 | |
5911 | frameid = 0; | |
5912 | ||
5913 | ASSERT(queue < NFIFO); | |
5914 | ||
5915 | osh = wlc->osh; | |
5916 | ||
5917 | /* locate 802.11 MAC header */ | |
5918 | h = (struct dot11_header *)PKTDATA(p); | |
5919 | fc = ltoh16(h->fc); | |
5920 | type = FC_TYPE(fc); | |
5921 | ||
5922 | qos = (type == FC_TYPE_DATA && FC_SUBTYPE_ANY_QOS(FC_SUBTYPE(fc))); | |
5923 | ||
5924 | /* compute length of frame in bytes for use in PLCP computations */ | |
5925 | len = pkttotlen(osh, p); | |
5926 | phylen = len + DOT11_FCS_LEN; | |
5927 | ||
5928 | /* If WEP enabled, add room in phylen for the additional bytes of | |
5929 | * ICV which MAC generates. We do NOT add the additional bytes to | |
5930 | * the packet itself, thus phylen = packet length + ICV_LEN + FCS_LEN | |
5931 | * in this case | |
5932 | */ | |
5933 | if (key) { | |
5934 | phylen += key->icv_len; | |
5935 | } | |
5936 | ||
5937 | /* Get tx_info */ | |
5938 | tx_info = IEEE80211_SKB_CB(p); | |
5939 | ASSERT(tx_info); | |
5940 | ||
5941 | /* add PLCP */ | |
5942 | plcp = PKTPUSH(p, D11_PHY_HDR_LEN); | |
5943 | ||
5944 | /* add Broadcom tx descriptor header */ | |
5945 | txh = (d11txh_t *) PKTPUSH(p, D11_TXH_LEN); | |
5946 | bzero((char *)txh, D11_TXH_LEN); | |
5947 | ||
5948 | /* setup frameid */ | |
5949 | if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { | |
5950 | /* non-AP STA should never use BCMC queue */ | |
5951 | ASSERT(queue != TX_BCMC_FIFO); | |
5952 | if (queue == TX_BCMC_FIFO) { | |
5953 | WL_ERROR(("wl%d: %s: ASSERT queue == TX_BCMC!\n", | |
5954 | WLCWLUNIT(wlc), __func__)); | |
5955 | frameid = bcmc_fid_generate(wlc, NULL, txh); | |
5956 | } else { | |
5957 | /* Increment the counter for first fragment */ | |
5958 | if (tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) { | |
5959 | SCB_SEQNUM(scb, PKTPRIO(p))++; | |
5960 | } | |
5961 | ||
5962 | /* extract fragment number from frame first */ | |
5963 | seq = ltoh16(seq) & FRAGNUM_MASK; | |
5964 | seq |= (SCB_SEQNUM(scb, PKTPRIO(p)) << SEQNUM_SHIFT); | |
5965 | h->seq = htol16(seq); | |
5966 | ||
5967 | frameid = ((seq << TXFID_SEQ_SHIFT) & TXFID_SEQ_MASK) | | |
5968 | (queue & TXFID_QUEUE_MASK); | |
5969 | } | |
5970 | } | |
5971 | frameid |= queue & TXFID_QUEUE_MASK; | |
5972 | ||
5973 | /* set the ignpmq bit for all pkts tx'd in PS mode and for beacons */ | |
5974 | if (SCB_PS(scb) || ((fc & FC_KIND_MASK) == FC_BEACON)) | |
5975 | mcl |= TXC_IGNOREPMQ; | |
5976 | ||
5977 | ASSERT(hw->max_rates <= IEEE80211_TX_MAX_RATES); | |
5978 | ASSERT(hw->max_rates == 2); | |
5979 | ||
5980 | txrate[0] = tx_info->control.rates; | |
5981 | txrate[1] = txrate[0] + 1; | |
5982 | ||
5983 | ASSERT(txrate[0]->idx >= 0); | |
5984 | /* if rate control algorithm didn't give us a fallback rate, use the primary rate */ | |
5985 | if (txrate[1]->idx < 0) { | |
5986 | txrate[1] = txrate[0]; | |
5987 | } | |
5988 | #ifdef WLC_HIGH_ONLY | |
5989 | /* Double protection , just in case */ | |
5990 | if (txrate[0]->idx > HIGHEST_SINGLE_STREAM_MCS) | |
5991 | txrate[0]->idx = HIGHEST_SINGLE_STREAM_MCS; | |
5992 | if (txrate[1]->idx > HIGHEST_SINGLE_STREAM_MCS) | |
5993 | txrate[1]->idx = HIGHEST_SINGLE_STREAM_MCS; | |
5994 | #endif | |
5995 | ||
5996 | for (k = 0; k < hw->max_rates; k++) { | |
5997 | is_mcs[k] = | |
0965ae88 | 5998 | txrate[k]->flags & IEEE80211_TX_RC_MCS ? true : false; |
a9533e7e HP |
5999 | if (!is_mcs[k]) { |
6000 | ASSERT(!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)); | |
6001 | if ((txrate[k]->idx >= 0) | |
6002 | && (txrate[k]->idx < | |
6003 | hw->wiphy->bands[tx_info->band]->n_bitrates)) { | |
6004 | rate_val[k] = | |
6005 | hw->wiphy->bands[tx_info->band]-> | |
6006 | bitrates[txrate[k]->idx].hw_value; | |
6007 | short_preamble[k] = | |
6008 | txrate[k]-> | |
6009 | flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE ? | |
0965ae88 | 6010 | true : false; |
a9533e7e HP |
6011 | } else { |
6012 | ASSERT((txrate[k]->idx >= 0) && | |
6013 | (txrate[k]->idx < | |
6014 | hw->wiphy->bands[tx_info->band]-> | |
6015 | n_bitrates)); | |
6016 | rate_val[k] = WLC_RATE_1M; | |
6017 | } | |
6018 | } else { | |
6019 | rate_val[k] = txrate[k]->idx; | |
6020 | } | |
6021 | /* Currently only support same setting for primay and fallback rates. | |
6022 | * Unify flags for each rate into a single value for the frame | |
6023 | */ | |
6024 | use_rts |= | |
6025 | txrate[k]-> | |
0965ae88 | 6026 | flags & IEEE80211_TX_RC_USE_RTS_CTS ? true : false; |
a9533e7e HP |
6027 | use_cts |= |
6028 | txrate[k]-> | |
0965ae88 | 6029 | flags & IEEE80211_TX_RC_USE_CTS_PROTECT ? true : false; |
a9533e7e HP |
6030 | |
6031 | if (is_mcs[k]) | |
6032 | rate_val[k] |= NRATE_MCS_INUSE; | |
6033 | ||
6034 | rspec[k] = mac80211_wlc_set_nrate(wlc, wlc->band, rate_val[k]); | |
6035 | ||
6036 | /* (1) RATE: determine and validate primary rate and fallback rates */ | |
6037 | if (!RSPEC_ACTIVE(rspec[k])) { | |
6038 | ASSERT(RSPEC_ACTIVE(rspec[k])); | |
6039 | rspec[k] = WLC_RATE_1M; | |
6040 | } else { | |
6041 | if (WLANTSEL_ENAB(wlc) && !ETHER_ISMULTI(&h->a1)) { | |
6042 | /* set tx antenna config */ | |
0965ae88 | 6043 | wlc_antsel_antcfg_get(wlc->asi, false, false, 0, |
a9533e7e HP |
6044 | 0, &antcfg, &fbantcfg); |
6045 | } | |
6046 | } | |
6047 | } | |
6048 | ||
6049 | phyctl1_stf = wlc->stf->ss_opmode; | |
6050 | ||
6051 | if (N_ENAB(wlc->pub)) { | |
6052 | for (k = 0; k < hw->max_rates; k++) { | |
6053 | /* apply siso/cdd to single stream mcs's or ofdm if rspec is auto selected */ | |
6054 | if (((IS_MCS(rspec[k]) && | |
6055 | IS_SINGLE_STREAM(rspec[k] & RSPEC_RATE_MASK)) || | |
6056 | IS_OFDM(rspec[k])) | |
6057 | && ((rspec[k] & RSPEC_OVERRIDE_MCS_ONLY) | |
6058 | || !(rspec[k] & RSPEC_OVERRIDE))) { | |
6059 | rspec[k] &= ~(RSPEC_STF_MASK | RSPEC_STC_MASK); | |
6060 | ||
6061 | /* For SISO MCS use STBC if possible */ | |
6062 | if (IS_MCS(rspec[k]) | |
6063 | && WLC_STF_SS_STBC_TX(wlc, scb)) { | |
41feb5ed | 6064 | u8 stc; |
a9533e7e HP |
6065 | |
6066 | ASSERT(WLC_STBC_CAP_PHY(wlc)); | |
6067 | stc = 1; /* Nss for single stream is always 1 */ | |
6068 | rspec[k] |= | |
6069 | (PHY_TXC1_MODE_STBC << | |
6070 | RSPEC_STF_SHIFT) | (stc << | |
6071 | RSPEC_STC_SHIFT); | |
6072 | } else | |
6073 | rspec[k] |= | |
6074 | (phyctl1_stf << RSPEC_STF_SHIFT); | |
6075 | } | |
6076 | ||
6077 | /* Is the phy configured to use 40MHZ frames? If so then pick the desired txbw */ | |
6078 | if (CHSPEC_WLC_BW(wlc->chanspec) == WLC_40_MHZ) { | |
6079 | /* default txbw is 20in40 SB */ | |
6080 | mimo_ctlchbw = mimo_txbw = | |
6081 | CHSPEC_SB_UPPER(WLC_BAND_PI_RADIO_CHANSPEC) | |
6082 | ? PHY_TXC1_BW_20MHZ_UP : PHY_TXC1_BW_20MHZ; | |
6083 | ||
6084 | if (IS_MCS(rspec[k])) { | |
6085 | /* mcs 32 must be 40b/w DUP */ | |
6086 | if ((rspec[k] & RSPEC_RATE_MASK) == 32) { | |
6087 | mimo_txbw = | |
6088 | PHY_TXC1_BW_40MHZ_DUP; | |
6089 | /* use override */ | |
6090 | } else if (wlc->mimo_40txbw != AUTO) | |
6091 | mimo_txbw = wlc->mimo_40txbw; | |
6092 | /* else check if dst is using 40 Mhz */ | |
6093 | else if (scb->flags & SCB_IS40) | |
6094 | mimo_txbw = PHY_TXC1_BW_40MHZ; | |
6095 | } else if (IS_OFDM(rspec[k])) { | |
6096 | if (wlc->ofdm_40txbw != AUTO) | |
6097 | mimo_txbw = wlc->ofdm_40txbw; | |
6098 | } else { | |
6099 | ASSERT(IS_CCK(rspec[k])); | |
6100 | if (wlc->cck_40txbw != AUTO) | |
6101 | mimo_txbw = wlc->cck_40txbw; | |
6102 | } | |
6103 | } else { | |
6104 | /* mcs32 is 40 b/w only. | |
6105 | * This is possible for probe packets on a STA during SCAN | |
6106 | */ | |
6107 | if ((rspec[k] & RSPEC_RATE_MASK) == 32) { | |
6108 | /* mcs 0 */ | |
6109 | rspec[k] = RSPEC_MIMORATE; | |
6110 | } | |
6111 | mimo_txbw = PHY_TXC1_BW_20MHZ; | |
6112 | } | |
6113 | ||
6114 | /* Set channel width */ | |
6115 | rspec[k] &= ~RSPEC_BW_MASK; | |
6116 | if ((k == 0) || ((k > 0) && IS_MCS(rspec[k]))) | |
6117 | rspec[k] |= (mimo_txbw << RSPEC_BW_SHIFT); | |
6118 | else | |
6119 | rspec[k] |= (mimo_ctlchbw << RSPEC_BW_SHIFT); | |
6120 | ||
6121 | /* Set Short GI */ | |
6122 | #ifdef NOSGIYET | |
6123 | if (IS_MCS(rspec[k]) | |
6124 | && (txrate[k]->flags & IEEE80211_TX_RC_SHORT_GI)) | |
6125 | rspec[k] |= RSPEC_SHORT_GI; | |
6126 | else if (!(txrate[k]->flags & IEEE80211_TX_RC_SHORT_GI)) | |
6127 | rspec[k] &= ~RSPEC_SHORT_GI; | |
6128 | #else | |
6129 | rspec[k] &= ~RSPEC_SHORT_GI; | |
6130 | #endif | |
6131 | ||
6132 | mimo_preamble_type = WLC_MM_PREAMBLE; | |
6133 | if (txrate[k]->flags & IEEE80211_TX_RC_GREEN_FIELD) | |
6134 | mimo_preamble_type = WLC_GF_PREAMBLE; | |
6135 | ||
6136 | if ((txrate[k]->flags & IEEE80211_TX_RC_MCS) | |
6137 | && (!IS_MCS(rspec[k]))) { | |
6138 | WL_ERROR(("wl%d: %s: IEEE80211_TX_RC_MCS != IS_MCS(rspec)\n", WLCWLUNIT(wlc), __func__)); | |
6139 | ASSERT(0 && "Rate mismatch"); | |
6140 | } | |
6141 | ||
6142 | if (IS_MCS(rspec[k])) { | |
6143 | preamble_type[k] = mimo_preamble_type; | |
6144 | ||
6145 | /* if SGI is selected, then forced mm for single stream */ | |
6146 | if ((rspec[k] & RSPEC_SHORT_GI) | |
6147 | && IS_SINGLE_STREAM(rspec[k] & | |
6148 | RSPEC_RATE_MASK)) { | |
6149 | preamble_type[k] = WLC_MM_PREAMBLE; | |
6150 | } | |
6151 | } | |
6152 | ||
6153 | /* mimo bw field MUST now be valid in the rspec (it affects duration calculations) */ | |
6154 | ASSERT(VALID_RATE_DBG(wlc, rspec[0])); | |
6155 | ||
6156 | /* should be better conditionalized */ | |
6157 | if (!IS_MCS(rspec[0]) | |
6158 | && (tx_info->control.rates[0]. | |
6159 | flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)) | |
6160 | preamble_type[k] = WLC_SHORT_PREAMBLE; | |
6161 | ||
6162 | ASSERT(!IS_MCS(rspec[0]) | |
6163 | || WLC_IS_MIMO_PREAMBLE(preamble_type[k])); | |
6164 | } | |
6165 | } else { | |
6166 | for (k = 0; k < hw->max_rates; k++) { | |
6167 | /* Set ctrlchbw as 20Mhz */ | |
6168 | ASSERT(!IS_MCS(rspec[k])); | |
6169 | rspec[k] &= ~RSPEC_BW_MASK; | |
6170 | rspec[k] |= (PHY_TXC1_BW_20MHZ << RSPEC_BW_SHIFT); | |
6171 | ||
6172 | /* for nphy, stf of ofdm frames must follow policies */ | |
6173 | if (WLCISNPHY(wlc->band) && IS_OFDM(rspec[k])) { | |
6174 | rspec[k] &= ~RSPEC_STF_MASK; | |
6175 | rspec[k] |= phyctl1_stf << RSPEC_STF_SHIFT; | |
6176 | } | |
6177 | } | |
6178 | } | |
6179 | ||
6180 | /* Reset these for use with AMPDU's */ | |
6181 | txrate[0]->count = 0; | |
6182 | txrate[1]->count = 0; | |
6183 | ||
6184 | /* (3) PLCP: determine PLCP header and MAC duration, fill d11txh_t */ | |
6185 | wlc_compute_plcp(wlc, rspec[0], phylen, plcp); | |
6186 | wlc_compute_plcp(wlc, rspec[1], phylen, plcp_fallback); | |
6187 | bcopy(plcp_fallback, (char *)&txh->FragPLCPFallback, | |
6188 | sizeof(txh->FragPLCPFallback)); | |
6189 | ||
6190 | /* Length field now put in CCK FBR CRC field */ | |
6191 | if (IS_CCK(rspec[1])) { | |
6192 | txh->FragPLCPFallback[4] = phylen & 0xff; | |
6193 | txh->FragPLCPFallback[5] = (phylen & 0xff00) >> 8; | |
6194 | } | |
6195 | ||
6196 | /* MIMO-RATE: need validation ?? */ | |
6197 | mainrates = | |
6198 | IS_OFDM(rspec[0]) ? D11A_PHY_HDR_GRATE((ofdm_phy_hdr_t *) plcp) : | |
6199 | plcp[0]; | |
6200 | ||
6201 | /* DUR field for main rate */ | |
6202 | if ((fc != FC_PS_POLL) && !ETHER_ISMULTI(&h->a1) && !use_rifs) { | |
6203 | durid = | |
6204 | wlc_compute_frame_dur(wlc, rspec[0], preamble_type[0], | |
6205 | next_frag_len); | |
6206 | h->durid = htol16(durid); | |
6207 | } else if (use_rifs) { | |
6208 | /* NAV protect to end of next max packet size */ | |
6209 | durid = | |
7d4df48e | 6210 | (u16) wlc_calc_frame_time(wlc, rspec[0], |
a9533e7e HP |
6211 | preamble_type[0], |
6212 | DOT11_MAX_FRAG_LEN); | |
6213 | durid += RIFS_11N_TIME; | |
6214 | h->durid = htol16(durid); | |
6215 | } | |
6216 | ||
6217 | /* DUR field for fallback rate */ | |
6218 | if (fc == FC_PS_POLL) | |
6219 | txh->FragDurFallback = h->durid; | |
6220 | else if (ETHER_ISMULTI(&h->a1) || use_rifs) | |
6221 | txh->FragDurFallback = 0; | |
6222 | else { | |
6223 | durid = wlc_compute_frame_dur(wlc, rspec[1], | |
6224 | preamble_type[1], next_frag_len); | |
6225 | txh->FragDurFallback = htol16(durid); | |
6226 | } | |
6227 | ||
6228 | /* (4) MAC-HDR: MacTxControlLow */ | |
6229 | if (frag == 0) | |
6230 | mcl |= TXC_STARTMSDU; | |
6231 | ||
6232 | if (!ETHER_ISMULTI(&h->a1)) | |
6233 | mcl |= TXC_IMMEDACK; | |
6234 | ||
6235 | if (BAND_5G(wlc->band->bandtype)) | |
6236 | mcl |= TXC_FREQBAND_5G; | |
6237 | ||
6238 | if (CHSPEC_IS40(WLC_BAND_PI_RADIO_CHANSPEC)) | |
6239 | mcl |= TXC_BW_40; | |
6240 | ||
6241 | /* set AMIC bit if using hardware TKIP MIC */ | |
6242 | if (hwtkmic) | |
6243 | mcl |= TXC_AMIC; | |
6244 | ||
6245 | txh->MacTxControlLow = htol16(mcl); | |
6246 | ||
6247 | /* MacTxControlHigh */ | |
6248 | mch = 0; | |
6249 | ||
6250 | /* Set fallback rate preamble type */ | |
6251 | if ((preamble_type[1] == WLC_SHORT_PREAMBLE) || | |
6252 | (preamble_type[1] == WLC_GF_PREAMBLE)) { | |
6253 | ASSERT((preamble_type[1] == WLC_GF_PREAMBLE) || | |
6254 | (!IS_MCS(rspec[1]))); | |
6255 | if (RSPEC2RATE(rspec[1]) != WLC_RATE_1M) | |
6256 | mch |= TXC_PREAMBLE_DATA_FB_SHORT; | |
6257 | } | |
6258 | ||
6259 | /* MacFrameControl */ | |
7d4df48e | 6260 | bcopy((char *)&h->fc, (char *)&txh->MacFrameControl, sizeof(u16)); |
a9533e7e HP |
6261 | |
6262 | txh->TxFesTimeNormal = htol16(0); | |
6263 | ||
6264 | txh->TxFesTimeFallback = htol16(0); | |
6265 | ||
6266 | /* TxFrameRA */ | |
6267 | bcopy((char *)&h->a1, (char *)&txh->TxFrameRA, ETHER_ADDR_LEN); | |
6268 | ||
6269 | /* TxFrameID */ | |
6270 | txh->TxFrameID = htol16(frameid); | |
6271 | ||
6272 | /* TxStatus, Note the case of recreating the first frag of a suppressed frame | |
6273 | * then we may need to reset the retry cnt's via the status reg | |
6274 | */ | |
6275 | txh->TxStatus = htol16(status); | |
6276 | ||
6277 | if (D11REV_GE(wlc->pub->corerev, 16)) { | |
6278 | /* extra fields for ucode AMPDU aggregation, the new fields are added to | |
6279 | * the END of previous structure so that it's compatible in driver. | |
6280 | * In old rev ucode, these fields should be ignored | |
6281 | */ | |
6282 | txh->MaxNMpdus = htol16(0); | |
6283 | txh->MaxABytes_MRT = htol16(0); | |
6284 | txh->MaxABytes_FBR = htol16(0); | |
6285 | txh->MinMBytes = htol16(0); | |
6286 | } | |
6287 | ||
6288 | /* (5) RTS/CTS: determine RTS/CTS PLCP header and MAC duration, furnish d11txh_t */ | |
6289 | /* RTS PLCP header and RTS frame */ | |
6290 | if (use_rts || use_cts) { | |
6291 | if (use_rts && use_cts) | |
0965ae88 | 6292 | use_cts = false; |
a9533e7e HP |
6293 | |
6294 | for (k = 0; k < 2; k++) { | |
6295 | rts_rspec[k] = wlc_rspec_to_rts_rspec(wlc, rspec[k], | |
0965ae88 | 6296 | false, |
a9533e7e HP |
6297 | mimo_ctlchbw); |
6298 | } | |
6299 | ||
6300 | if (!IS_OFDM(rts_rspec[0]) && | |
6301 | !((RSPEC2RATE(rts_rspec[0]) == WLC_RATE_1M) || | |
6302 | (wlc->PLCPHdr_override == WLC_PLCP_LONG))) { | |
6303 | rts_preamble_type[0] = WLC_SHORT_PREAMBLE; | |
6304 | mch |= TXC_PREAMBLE_RTS_MAIN_SHORT; | |
6305 | } | |
6306 | ||
6307 | if (!IS_OFDM(rts_rspec[1]) && | |
6308 | !((RSPEC2RATE(rts_rspec[1]) == WLC_RATE_1M) || | |
6309 | (wlc->PLCPHdr_override == WLC_PLCP_LONG))) { | |
6310 | rts_preamble_type[1] = WLC_SHORT_PREAMBLE; | |
6311 | mch |= TXC_PREAMBLE_RTS_FB_SHORT; | |
6312 | } | |
6313 | ||
6314 | /* RTS/CTS additions to MacTxControlLow */ | |
6315 | if (use_cts) { | |
6316 | txh->MacTxControlLow |= htol16(TXC_SENDCTS); | |
6317 | } else { | |
6318 | txh->MacTxControlLow |= htol16(TXC_SENDRTS); | |
6319 | txh->MacTxControlLow |= htol16(TXC_LONGFRAME); | |
6320 | } | |
6321 | ||
6322 | /* RTS PLCP header */ | |
f024c48a | 6323 | ASSERT(IS_ALIGNED((unsigned long)txh->RTSPhyHeader, sizeof(u16))); |
a9533e7e HP |
6324 | rts_plcp = txh->RTSPhyHeader; |
6325 | if (use_cts) | |
6326 | rts_phylen = DOT11_CTS_LEN + DOT11_FCS_LEN; | |
6327 | else | |
6328 | rts_phylen = DOT11_RTS_LEN + DOT11_FCS_LEN; | |
6329 | ||
6330 | wlc_compute_plcp(wlc, rts_rspec[0], rts_phylen, rts_plcp); | |
6331 | ||
6332 | /* fallback rate version of RTS PLCP header */ | |
6333 | wlc_compute_plcp(wlc, rts_rspec[1], rts_phylen, | |
6334 | rts_plcp_fallback); | |
6335 | bcopy(rts_plcp_fallback, (char *)&txh->RTSPLCPFallback, | |
6336 | sizeof(txh->RTSPLCPFallback)); | |
6337 | ||
6338 | /* RTS frame fields... */ | |
6339 | rts = (struct dot11_rts_frame *)&txh->rts_frame; | |
6340 | ||
6341 | durid = wlc_compute_rtscts_dur(wlc, use_cts, rts_rspec[0], | |
6342 | rspec[0], rts_preamble_type[0], | |
0965ae88 | 6343 | preamble_type[0], phylen, false); |
a9533e7e HP |
6344 | rts->durid = htol16(durid); |
6345 | /* fallback rate version of RTS DUR field */ | |
6346 | durid = wlc_compute_rtscts_dur(wlc, use_cts, | |
6347 | rts_rspec[1], rspec[1], | |
6348 | rts_preamble_type[1], | |
0965ae88 | 6349 | preamble_type[1], phylen, false); |
a9533e7e HP |
6350 | txh->RTSDurFallback = htol16(durid); |
6351 | ||
6352 | if (use_cts) { | |
6353 | rts->fc = htol16(FC_CTS); | |
6354 | bcopy((char *)&h->a2, (char *)&rts->ra, ETHER_ADDR_LEN); | |
6355 | } else { | |
7d4df48e | 6356 | rts->fc = htol16((u16) FC_RTS); |
a9533e7e HP |
6357 | bcopy((char *)&h->a1, (char *)&rts->ra, |
6358 | 2 * ETHER_ADDR_LEN); | |
6359 | } | |
6360 | ||
6361 | /* mainrate | |
6362 | * low 8 bits: main frag rate/mcs, | |
6363 | * high 8 bits: rts/cts rate/mcs | |
6364 | */ | |
6365 | mainrates |= (IS_OFDM(rts_rspec[0]) ? | |
6366 | D11A_PHY_HDR_GRATE((ofdm_phy_hdr_t *) rts_plcp) : | |
6367 | rts_plcp[0]) << 8; | |
6368 | } else { | |
6369 | bzero((char *)txh->RTSPhyHeader, D11_PHY_HDR_LEN); | |
6370 | bzero((char *)&txh->rts_frame, sizeof(struct dot11_rts_frame)); | |
6371 | bzero((char *)txh->RTSPLCPFallback, | |
6372 | sizeof(txh->RTSPLCPFallback)); | |
6373 | txh->RTSDurFallback = 0; | |
6374 | } | |
6375 | ||
6376 | #ifdef SUPPORT_40MHZ | |
6377 | /* add null delimiter count */ | |
6378 | if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && IS_MCS(rspec)) { | |
6379 | txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM] = | |
6380 | wlc_ampdu_null_delim_cnt(wlc->ampdu, scb, rspec, phylen); | |
6381 | } | |
6382 | #endif | |
6383 | ||
6384 | /* Now that RTS/RTS FB preamble types are updated, write the final value */ | |
6385 | txh->MacTxControlHigh = htol16(mch); | |
6386 | ||
6387 | /* MainRates (both the rts and frag plcp rates have been calculated now) */ | |
6388 | txh->MainRates = htol16(mainrates); | |
6389 | ||
6390 | /* XtraFrameTypes */ | |
6391 | xfts = FRAMETYPE(rspec[1], wlc->mimoft); | |
6392 | xfts |= (FRAMETYPE(rts_rspec[0], wlc->mimoft) << XFTS_RTS_FT_SHIFT); | |
6393 | xfts |= (FRAMETYPE(rts_rspec[1], wlc->mimoft) << XFTS_FBRRTS_FT_SHIFT); | |
6394 | xfts |= | |
6395 | CHSPEC_CHANNEL(WLC_BAND_PI_RADIO_CHANSPEC) << XFTS_CHANNEL_SHIFT; | |
6396 | txh->XtraFrameTypes = htol16(xfts); | |
6397 | ||
6398 | /* PhyTxControlWord */ | |
6399 | phyctl = FRAMETYPE(rspec[0], wlc->mimoft); | |
6400 | if ((preamble_type[0] == WLC_SHORT_PREAMBLE) || | |
6401 | (preamble_type[0] == WLC_GF_PREAMBLE)) { | |
6402 | ASSERT((preamble_type[0] == WLC_GF_PREAMBLE) | |
6403 | || !IS_MCS(rspec[0])); | |
6404 | if (RSPEC2RATE(rspec[0]) != WLC_RATE_1M) | |
6405 | phyctl |= PHY_TXC_SHORT_HDR; | |
6406 | WLCNTINCR(wlc->pub->_cnt->txprshort); | |
6407 | } | |
6408 | ||
6409 | /* phytxant is properly bit shifted */ | |
6410 | phyctl |= wlc_stf_d11hdrs_phyctl_txant(wlc, rspec[0]); | |
6411 | txh->PhyTxControlWord = htol16(phyctl); | |
6412 | ||
6413 | /* PhyTxControlWord_1 */ | |
6414 | if (WLC_PHY_11N_CAP(wlc->band)) { | |
7d4df48e | 6415 | u16 phyctl1 = 0; |
a9533e7e HP |
6416 | |
6417 | phyctl1 = wlc_phytxctl1_calc(wlc, rspec[0]); | |
6418 | txh->PhyTxControlWord_1 = htol16(phyctl1); | |
6419 | phyctl1 = wlc_phytxctl1_calc(wlc, rspec[1]); | |
6420 | txh->PhyTxControlWord_1_Fbr = htol16(phyctl1); | |
6421 | ||
6422 | if (use_rts || use_cts) { | |
6423 | phyctl1 = wlc_phytxctl1_calc(wlc, rts_rspec[0]); | |
6424 | txh->PhyTxControlWord_1_Rts = htol16(phyctl1); | |
6425 | phyctl1 = wlc_phytxctl1_calc(wlc, rts_rspec[1]); | |
6426 | txh->PhyTxControlWord_1_FbrRts = htol16(phyctl1); | |
6427 | } | |
6428 | ||
6429 | /* | |
6430 | * For mcs frames, if mixedmode(overloaded with long preamble) is going to be set, | |
6431 | * fill in non-zero MModeLen and/or MModeFbrLen | |
6432 | * it will be unnecessary if they are separated | |
6433 | */ | |
6434 | if (IS_MCS(rspec[0]) && (preamble_type[0] == WLC_MM_PREAMBLE)) { | |
7d4df48e | 6435 | u16 mmodelen = |
a9533e7e HP |
6436 | wlc_calc_lsig_len(wlc, rspec[0], phylen); |
6437 | txh->MModeLen = htol16(mmodelen); | |
6438 | } | |
6439 | ||
6440 | if (IS_MCS(rspec[1]) && (preamble_type[1] == WLC_MM_PREAMBLE)) { | |
7d4df48e | 6441 | u16 mmodefbrlen = |
a9533e7e HP |
6442 | wlc_calc_lsig_len(wlc, rspec[1], phylen); |
6443 | txh->MModeFbrLen = htol16(mmodefbrlen); | |
6444 | } | |
6445 | } | |
6446 | ||
6447 | if (IS_MCS(rspec[0])) | |
6448 | ASSERT(IS_MCS(rspec[1])); | |
6449 | ||
6450 | ASSERT(!IS_MCS(rspec[0]) || | |
6451 | ((preamble_type[0] == WLC_MM_PREAMBLE) == (txh->MModeLen != 0))); | |
6452 | ASSERT(!IS_MCS(rspec[1]) || | |
6453 | ((preamble_type[1] == WLC_MM_PREAMBLE) == | |
6454 | (txh->MModeFbrLen != 0))); | |
6455 | ||
ca8c1e59 JC |
6456 | ac = wme_fifo2ac[queue]; |
6457 | if (SCB_WME(scb) && qos && wlc->edcf_txop[ac]) { | |
a9533e7e HP |
6458 | uint frag_dur, dur, dur_fallback; |
6459 | ||
6460 | ASSERT(!ETHER_ISMULTI(&h->a1)); | |
6461 | ||
6462 | /* WME: Update TXOP threshold */ | |
6463 | if ((!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)) && (frag == 0)) { | |
6464 | frag_dur = | |
6465 | wlc_calc_frame_time(wlc, rspec[0], preamble_type[0], | |
6466 | phylen); | |
6467 | ||
6468 | if (rts) { | |
6469 | /* 1 RTS or CTS-to-self frame */ | |
6470 | dur = | |
6471 | wlc_calc_cts_time(wlc, rts_rspec[0], | |
6472 | rts_preamble_type[0]); | |
6473 | dur_fallback = | |
6474 | wlc_calc_cts_time(wlc, rts_rspec[1], | |
6475 | rts_preamble_type[1]); | |
6476 | /* (SIFS + CTS) + SIFS + frame + SIFS + ACK */ | |
6477 | dur += ltoh16(rts->durid); | |
6478 | dur_fallback += ltoh16(txh->RTSDurFallback); | |
6479 | } else if (use_rifs) { | |
6480 | dur = frag_dur; | |
6481 | dur_fallback = 0; | |
6482 | } else { | |
6483 | /* frame + SIFS + ACK */ | |
6484 | dur = frag_dur; | |
6485 | dur += | |
6486 | wlc_compute_frame_dur(wlc, rspec[0], | |
6487 | preamble_type[0], 0); | |
6488 | ||
6489 | dur_fallback = | |
6490 | wlc_calc_frame_time(wlc, rspec[1], | |
6491 | preamble_type[1], | |
6492 | phylen); | |
6493 | dur_fallback += | |
6494 | wlc_compute_frame_dur(wlc, rspec[1], | |
6495 | preamble_type[1], 0); | |
6496 | } | |
6497 | /* NEED to set TxFesTimeNormal (hard) */ | |
7d4df48e | 6498 | txh->TxFesTimeNormal = htol16((u16) dur); |
a9533e7e | 6499 | /* NEED to set fallback rate version of TxFesTimeNormal (hard) */ |
7d4df48e | 6500 | txh->TxFesTimeFallback = htol16((u16) dur_fallback); |
a9533e7e HP |
6501 | |
6502 | /* update txop byte threshold (txop minus intraframe overhead) */ | |
6503 | if (wlc->edcf_txop[ac] >= (dur - frag_dur)) { | |
6504 | { | |
6505 | uint newfragthresh; | |
6506 | ||
6507 | newfragthresh = | |
6508 | wlc_calc_frame_len(wlc, rspec[0], | |
6509 | preamble_type[0], | |
6510 | (wlc-> | |
6511 | edcf_txop[ac] - | |
6512 | (dur - | |
6513 | frag_dur))); | |
6514 | /* range bound the fragthreshold */ | |
6515 | if (newfragthresh < DOT11_MIN_FRAG_LEN) | |
6516 | newfragthresh = | |
6517 | DOT11_MIN_FRAG_LEN; | |
6518 | else if (newfragthresh > | |
6519 | wlc->usr_fragthresh) | |
6520 | newfragthresh = | |
6521 | wlc->usr_fragthresh; | |
6522 | /* update the fragthresh and do txc update */ | |
6523 | if (wlc->fragthresh[queue] != | |
7d4df48e | 6524 | (u16) newfragthresh) { |
a9533e7e | 6525 | wlc->fragthresh[queue] = |
7d4df48e | 6526 | (u16) newfragthresh; |
a9533e7e HP |
6527 | } |
6528 | } | |
6529 | } else | |
6530 | WL_ERROR(("wl%d: %s txop invalid for rate %d\n", | |
6531 | wlc->pub->unit, fifo_names[queue], | |
6532 | RSPEC2RATE(rspec[0]))); | |
6533 | ||
6534 | if (dur > wlc->edcf_txop[ac]) | |
6535 | 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])); | |
6536 | } | |
6537 | } | |
6538 | ||
6539 | return 0; | |
6540 | } | |
6541 | ||
7cc4a4c0 | 6542 | void wlc_tbtt(wlc_info_t *wlc, d11regs_t *regs) |
a9533e7e HP |
6543 | { |
6544 | wlc_bsscfg_t *cfg = wlc->cfg; | |
6545 | ||
6546 | WLCNTINCR(wlc->pub->_cnt->tbtt); | |
6547 | ||
6548 | if (BSSCFG_STA(cfg)) { | |
6549 | /* run watchdog here if the watchdog timer is not armed */ | |
6550 | if (WLC_WATCHDOG_TBTT(wlc)) { | |
66cbd3ab | 6551 | u32 cur, delta; |
a9533e7e HP |
6552 | if (wlc->WDarmed) { |
6553 | wl_del_timer(wlc->wl, wlc->wdtimer); | |
0965ae88 | 6554 | wlc->WDarmed = false; |
a9533e7e HP |
6555 | } |
6556 | ||
6557 | cur = OSL_SYSUPTIME(); | |
6558 | delta = cur > wlc->WDlast ? cur - wlc->WDlast : | |
66cbd3ab | 6559 | (u32) ~0 - wlc->WDlast + cur + 1; |
a9533e7e HP |
6560 | if (delta >= TIMER_INTERVAL_WATCHDOG) { |
6561 | wlc_watchdog((void *)wlc); | |
6562 | wlc->WDlast = cur; | |
6563 | } | |
6564 | ||
6565 | wl_add_timer(wlc->wl, wlc->wdtimer, | |
0f0881b0 GKH |
6566 | wlc_watchdog_backup_bi(wlc), true); |
6567 | wlc->WDarmed = true; | |
a9533e7e HP |
6568 | } |
6569 | } | |
6570 | ||
6571 | if (!cfg->BSS) { | |
6572 | /* DirFrmQ is now valid...defer setting until end of ATIM window */ | |
6573 | wlc->qvalid |= MCMD_DIRFRMQVAL; | |
6574 | } | |
6575 | } | |
6576 | ||
6577 | /* GP timer is a freerunning 32 bit counter, decrements at 1 us rate */ | |
7cc4a4c0 | 6578 | void wlc_hwtimer_gptimer_set(wlc_info_t *wlc, uint us) |
a9533e7e HP |
6579 | { |
6580 | ASSERT(wlc->pub->corerev >= 3); /* no gptimer in earlier revs */ | |
6581 | W_REG(wlc->osh, &wlc->regs->gptimer, us); | |
6582 | } | |
6583 | ||
7cc4a4c0 | 6584 | void wlc_hwtimer_gptimer_abort(wlc_info_t *wlc) |
a9533e7e HP |
6585 | { |
6586 | ASSERT(wlc->pub->corerev >= 3); | |
6587 | W_REG(wlc->osh, &wlc->regs->gptimer, 0); | |
6588 | } | |
6589 | ||
7cc4a4c0 | 6590 | static void wlc_hwtimer_gptimer_cb(wlc_info_t *wlc) |
a9533e7e HP |
6591 | { |
6592 | /* when interrupt is generated, the counter is loaded with last value | |
6593 | * written and continue to decrement. So it has to be cleaned first | |
6594 | */ | |
6595 | W_REG(wlc->osh, &wlc->regs->gptimer, 0); | |
6596 | } | |
6597 | ||
6598 | /* | |
6599 | * This fn has all the high level dpc processing from wlc_dpc. | |
6600 | * POLICY: no macinstatus change, no bounding loop. | |
6601 | * All dpc bounding should be handled in BMAC dpc, like txstatus and rxint | |
6602 | */ | |
66cbd3ab | 6603 | void wlc_high_dpc(wlc_info_t *wlc, u32 macintstatus) |
a9533e7e HP |
6604 | { |
6605 | d11regs_t *regs = wlc->regs; | |
6606 | #ifdef BCMDBG | |
6607 | char flagstr[128]; | |
6608 | static const bcm_bit_desc_t int_flags[] = { | |
6609 | {MI_MACSSPNDD, "MACSSPNDD"}, | |
6610 | {MI_BCNTPL, "BCNTPL"}, | |
6611 | {MI_TBTT, "TBTT"}, | |
6612 | {MI_BCNSUCCESS, "BCNSUCCESS"}, | |
6613 | {MI_BCNCANCLD, "BCNCANCLD"}, | |
6614 | {MI_ATIMWINEND, "ATIMWINEND"}, | |
6615 | {MI_PMQ, "PMQ"}, | |
6616 | {MI_NSPECGEN_0, "NSPECGEN_0"}, | |
6617 | {MI_NSPECGEN_1, "NSPECGEN_1"}, | |
6618 | {MI_MACTXERR, "MACTXERR"}, | |
6619 | {MI_NSPECGEN_3, "NSPECGEN_3"}, | |
6620 | {MI_PHYTXERR, "PHYTXERR"}, | |
6621 | {MI_PME, "PME"}, | |
6622 | {MI_GP0, "GP0"}, | |
6623 | {MI_GP1, "GP1"}, | |
6624 | {MI_DMAINT, "DMAINT"}, | |
6625 | {MI_TXSTOP, "TXSTOP"}, | |
6626 | {MI_CCA, "CCA"}, | |
6627 | {MI_BG_NOISE, "BG_NOISE"}, | |
6628 | {MI_DTIM_TBTT, "DTIM_TBTT"}, | |
6629 | {MI_PRQ, "PRQ"}, | |
6630 | {MI_PWRUP, "PWRUP"}, | |
6631 | {MI_RFDISABLE, "RFDISABLE"}, | |
6632 | {MI_TFS, "TFS"}, | |
6633 | {MI_PHYCHANGED, "PHYCHANGED"}, | |
6634 | {MI_TO, "TO"}, | |
6635 | {0, NULL} | |
6636 | }; | |
6637 | ||
6638 | if (macintstatus & ~(MI_TBTT | MI_TXSTOP)) { | |
6639 | bcm_format_flags(int_flags, macintstatus, flagstr, | |
6640 | sizeof(flagstr)); | |
6641 | WL_TRACE(("wl%d: macintstatus 0x%x %s\n", wlc->pub->unit, | |
6642 | macintstatus, flagstr)); | |
6643 | } | |
6644 | #endif /* BCMDBG */ | |
6645 | ||
6646 | if (macintstatus & MI_PRQ) { | |
6647 | /* Process probe request FIFO */ | |
6648 | ASSERT(0 && "PRQ Interrupt in non-MBSS"); | |
6649 | } | |
6650 | ||
6651 | /* TBTT indication */ | |
6652 | /* ucode only gives either TBTT or DTIM_TBTT, not both */ | |
6653 | if (macintstatus & (MI_TBTT | MI_DTIM_TBTT)) | |
6654 | wlc_tbtt(wlc, regs); | |
6655 | ||
6656 | if (macintstatus & MI_GP0) { | |
6657 | WL_ERROR(("wl%d: PSM microcode watchdog fired at %d (seconds). Resetting.\n", wlc->pub->unit, wlc->pub->now)); | |
6658 | ||
6659 | printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n", | |
6660 | __func__, CHIPID(wlc->pub->sih->chip), | |
6661 | CHIPREV(wlc->pub->sih->chiprev)); | |
6662 | ||
6663 | WLCNTINCR(wlc->pub->_cnt->psmwds); | |
6664 | ||
6665 | /* big hammer */ | |
6666 | wl_init(wlc->wl); | |
6667 | } | |
6668 | ||
6669 | /* gptimer timeout */ | |
6670 | if (macintstatus & MI_TO) { | |
6671 | wlc_hwtimer_gptimer_cb(wlc); | |
6672 | } | |
6673 | ||
6674 | if (macintstatus & MI_RFDISABLE) { | |
6675 | 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)); | |
6676 | /* delay the cleanup to wl_down in IBSS case */ | |
6677 | if ((R_REG(wlc->osh, ®s->phydebug) & PDBG_RFD)) { | |
6678 | int idx; | |
6679 | wlc_bsscfg_t *bsscfg; | |
6680 | FOREACH_BSS(wlc, idx, bsscfg) { | |
6681 | if (!BSSCFG_STA(bsscfg) || !bsscfg->enable | |
6682 | || !bsscfg->BSS) | |
6683 | continue; | |
6684 | WL_ERROR(("wl%d: wlc_dpc: rfdisable -> wlc_bsscfg_disable()\n", wlc->pub->unit)); | |
6685 | } | |
6686 | } | |
6687 | } | |
6688 | ||
6689 | /* send any enq'd tx packets. Just makes sure to jump start tx */ | |
6690 | if (!pktq_empty(&wlc->active_queue->q)) | |
6691 | wlc_send_q(wlc, wlc->active_queue); | |
6692 | ||
6693 | #ifndef WLC_HIGH_ONLY | |
6694 | ASSERT(wlc_ps_check(wlc)); | |
6695 | #endif | |
6696 | } | |
6697 | ||
7cc4a4c0 | 6698 | static void *wlc_15420war(wlc_info_t *wlc, uint queue) |
a9533e7e HP |
6699 | { |
6700 | hnddma_t *di; | |
6701 | void *p; | |
6702 | ||
6703 | ASSERT(queue < NFIFO); | |
6704 | ||
6705 | if ((D11REV_IS(wlc->pub->corerev, 4)) | |
6706 | || (D11REV_GT(wlc->pub->corerev, 6))) | |
90ea2296 | 6707 | return NULL; |
a9533e7e HP |
6708 | |
6709 | di = wlc->hw->di[queue]; | |
6710 | ASSERT(di != NULL); | |
6711 | ||
6712 | /* get next packet, ignoring XmtStatus.Curr */ | |
6713 | p = dma_getnexttxp(di, HNDDMA_RANGE_ALL); | |
6714 | ||
6715 | /* sw block tx dma */ | |
6716 | dma_txblock(di); | |
6717 | ||
6718 | /* if tx ring is now empty, reset and re-init the tx dma channel */ | |
6719 | if (dma_txactive(wlc->hw->di[queue]) == 0) { | |
6720 | WLCNTINCR(wlc->pub->_cnt->txdmawar); | |
6721 | if (!dma_txreset(di)) | |
6722 | WL_ERROR(("wl%d: %s: dma_txreset[%d]: cannot stop dma\n", wlc->pub->unit, __func__, queue)); | |
6723 | dma_txinit(di); | |
6724 | } | |
90ea2296 | 6725 | return p; |
a9533e7e HP |
6726 | } |
6727 | ||
7cc4a4c0 | 6728 | static void wlc_war16165(wlc_info_t *wlc, bool tx) |
a9533e7e HP |
6729 | { |
6730 | if (tx) { | |
6731 | /* the post-increment is used in STAY_AWAKE macro */ | |
6732 | if (wlc->txpend16165war++ == 0) | |
6733 | wlc_set_ps_ctrl(wlc); | |
6734 | } else { | |
6735 | wlc->txpend16165war--; | |
6736 | if (wlc->txpend16165war == 0) | |
6737 | wlc_set_ps_ctrl(wlc); | |
6738 | } | |
6739 | } | |
6740 | ||
6741 | /* process an individual tx_status_t */ | |
6742 | /* WLC_HIGH_API */ | |
6743 | bool BCMFASTPATH | |
66cbd3ab | 6744 | wlc_dotxstatus(wlc_info_t *wlc, tx_status_t *txs, u32 frm_tx2) |
a9533e7e HP |
6745 | { |
6746 | void *p; | |
6747 | uint queue; | |
6748 | d11txh_t *txh; | |
6749 | struct scb *scb = NULL; | |
6750 | bool free_pdu; | |
6751 | osl_t *osh; | |
6752 | int tx_rts, tx_frame_count, tx_rts_count; | |
6753 | uint totlen, supr_status; | |
6754 | bool lastframe; | |
6755 | struct dot11_header *h; | |
7d4df48e GKH |
6756 | u16 fc; |
6757 | u16 mcl; | |
a9533e7e HP |
6758 | struct ieee80211_tx_info *tx_info; |
6759 | struct ieee80211_tx_rate *txrate; | |
6760 | int i; | |
6761 | ||
6762 | (void)(frm_tx2); /* Compiler reference to avoid unused variable warning */ | |
6763 | ||
6764 | /* discard intermediate indications for ucode with one legitimate case: | |
6765 | * e.g. if "useRTS" is set. ucode did a successful rts/cts exchange, but the subsequent | |
6766 | * tx of DATA failed. so it will start rts/cts from the beginning (resetting the rts | |
6767 | * transmission count) | |
6768 | */ | |
6769 | if (!(txs->status & TX_STATUS_AMPDU) | |
6770 | && (txs->status & TX_STATUS_INTERMEDIATE)) { | |
6771 | WLCNTADD(wlc->pub->_cnt->txnoack, | |
6772 | ((txs-> | |
6773 | status & TX_STATUS_FRM_RTX_MASK) >> | |
6774 | TX_STATUS_FRM_RTX_SHIFT)); | |
6775 | WL_ERROR(("%s: INTERMEDIATE but not AMPDU\n", __func__)); | |
0965ae88 | 6776 | return false; |
a9533e7e HP |
6777 | } |
6778 | ||
6779 | osh = wlc->osh; | |
6780 | queue = txs->frameid & TXFID_QUEUE_MASK; | |
6781 | ASSERT(queue < NFIFO); | |
6782 | if (queue >= NFIFO) { | |
6783 | p = NULL; | |
6784 | goto fatal; | |
6785 | } | |
6786 | ||
6787 | p = GETNEXTTXP(wlc, queue); | |
6788 | if (WLC_WAR16165(wlc)) | |
0965ae88 | 6789 | wlc_war16165(wlc, false); |
a9533e7e HP |
6790 | if (p == NULL) |
6791 | p = wlc_15420war(wlc, queue); | |
6792 | ASSERT(p != NULL); | |
6793 | if (p == NULL) | |
6794 | goto fatal; | |
6795 | ||
6796 | txh = (d11txh_t *) PKTDATA(p); | |
6797 | mcl = ltoh16(txh->MacTxControlLow); | |
6798 | ||
6799 | if (txs->phyerr) { | |
6800 | WL_ERROR(("phyerr 0x%x, rate 0x%x\n", txs->phyerr, | |
6801 | txh->MainRates)); | |
6802 | wlc_print_txdesc(txh); | |
6803 | wlc_print_txstatus(txs); | |
6804 | } | |
6805 | ||
6806 | ASSERT(txs->frameid == htol16(txh->TxFrameID)); | |
6807 | if (txs->frameid != htol16(txh->TxFrameID)) | |
6808 | goto fatal; | |
6809 | ||
6810 | tx_info = IEEE80211_SKB_CB(p); | |
41feb5ed | 6811 | h = (struct dot11_header *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN); |
a9533e7e HP |
6812 | fc = ltoh16(h->fc); |
6813 | ||
6814 | scb = (struct scb *)tx_info->control.sta->drv_priv; | |
6815 | ||
6816 | if (N_ENAB(wlc->pub)) { | |
41feb5ed | 6817 | u8 *plcp = (u8 *) (txh + 1); |
a9533e7e HP |
6818 | if (PLCP3_ISSGI(plcp[3])) |
6819 | WLCNTINCR(wlc->pub->_cnt->txmpdu_sgi); | |
6820 | if (PLCP3_ISSTBC(plcp[3])) | |
6821 | WLCNTINCR(wlc->pub->_cnt->txmpdu_stbc); | |
6822 | } | |
6823 | ||
6824 | if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) { | |
6825 | ASSERT((mcl & TXC_AMPDU_MASK) != TXC_AMPDU_NONE); | |
6826 | wlc_ampdu_dotxstatus(wlc->ampdu, scb, p, txs); | |
0965ae88 | 6827 | return false; |
a9533e7e HP |
6828 | } |
6829 | ||
6830 | supr_status = txs->status & TX_STATUS_SUPR_MASK; | |
6831 | if (supr_status == TX_STATUS_SUPR_BADCH) | |
6832 | WL_NONE(("%s: Pkt tx suppressed, possibly channel %d\n", | |
6833 | __func__, CHSPEC_CHANNEL(wlc->default_bss->chanspec))); | |
6834 | ||
6835 | tx_rts = htol16(txh->MacTxControlLow) & TXC_SENDRTS; | |
6836 | tx_frame_count = | |
6837 | (txs->status & TX_STATUS_FRM_RTX_MASK) >> TX_STATUS_FRM_RTX_SHIFT; | |
6838 | tx_rts_count = | |
6839 | (txs->status & TX_STATUS_RTS_RTX_MASK) >> TX_STATUS_RTS_RTX_SHIFT; | |
6840 | ||
6841 | lastframe = (fc & FC_MOREFRAG) == 0; | |
6842 | ||
6843 | if (!lastframe) { | |
6844 | WL_ERROR(("Not last frame!\n")); | |
6845 | } else { | |
7d4df48e | 6846 | u16 sfbl, lfbl; |
a9533e7e HP |
6847 | ieee80211_tx_info_clear_status(tx_info); |
6848 | if (queue < AC_COUNT) { | |
6849 | sfbl = WLC_WME_RETRY_SFB_GET(wlc, wme_fifo2ac[queue]); | |
6850 | lfbl = WLC_WME_RETRY_LFB_GET(wlc, wme_fifo2ac[queue]); | |
6851 | } else { | |
6852 | sfbl = wlc->SFBL; | |
6853 | lfbl = wlc->LFBL; | |
6854 | } | |
6855 | ||
6856 | txrate = tx_info->status.rates; | |
6857 | /* FIXME: this should use a combination of sfbl, lfbl depending on frame length and RTS setting */ | |
6858 | if ((tx_frame_count > sfbl) && (txrate[1].idx >= 0)) { | |
6859 | /* rate selection requested a fallback rate and we used it */ | |
6860 | txrate->count = lfbl; | |
6861 | txrate[1].count = tx_frame_count - lfbl; | |
6862 | } else { | |
6863 | /* rate selection did not request fallback rate, or we didn't need it */ | |
6864 | txrate->count = tx_frame_count; | |
6865 | /* rc80211_minstrel.c:minstrel_tx_status() expects unused rates to be marked with idx = -1 */ | |
6866 | txrate[1].idx = -1; | |
6867 | txrate[1].count = 0; | |
6868 | } | |
6869 | ||
6870 | /* clear the rest of the rates */ | |
6871 | for (i = 2; i < IEEE80211_TX_MAX_RATES; i++) { | |
6872 | txrate[i].idx = -1; | |
6873 | txrate[i].count = 0; | |
6874 | } | |
6875 | ||
6876 | if (txs->status & TX_STATUS_ACK_RCV) | |
6877 | tx_info->flags |= IEEE80211_TX_STAT_ACK; | |
6878 | } | |
6879 | ||
6880 | totlen = pkttotlen(osh, p); | |
0f0881b0 | 6881 | free_pdu = true; |
a9533e7e HP |
6882 | |
6883 | wlc_txfifo_complete(wlc, queue, 1); | |
6884 | ||
6885 | if (lastframe) { | |
6886 | PKTSETNEXT(p, NULL); | |
6887 | PKTSETLINK(p, NULL); | |
6888 | wlc->txretried = 0; | |
6889 | /* remove PLCP & Broadcom tx descriptor header */ | |
6890 | PKTPULL(p, D11_PHY_HDR_LEN); | |
6891 | PKTPULL(p, D11_TXH_LEN); | |
6892 | ieee80211_tx_status_irqsafe(wlc->pub->ieee_hw, p); | |
6893 | WLCNTINCR(wlc->pub->_cnt->ieee_tx_status); | |
6894 | } else { | |
6895 | WL_ERROR(("%s: Not last frame => not calling tx_status\n", | |
6896 | __func__)); | |
6897 | } | |
6898 | ||
0965ae88 | 6899 | return false; |
a9533e7e HP |
6900 | |
6901 | fatal: | |
6902 | ASSERT(0); | |
6903 | if (p) | |
0f0881b0 | 6904 | PKTFREE(osh, p, true); |
a9533e7e HP |
6905 | |
6906 | #ifdef WLC_HIGH_ONLY | |
6907 | /* If this is a split driver, do the big-hammer here. | |
6908 | * If this is a monolithic driver, wlc_bmac.c:wlc_dpc() will do the big-hammer. | |
6909 | */ | |
6910 | wl_init(wlc->wl); | |
6911 | #endif | |
0f0881b0 | 6912 | return true; |
a9533e7e HP |
6913 | |
6914 | } | |
6915 | ||
6916 | void BCMFASTPATH | |
562c8850 | 6917 | wlc_txfifo_complete(wlc_info_t *wlc, uint fifo, s8 txpktpend) |
a9533e7e HP |
6918 | { |
6919 | TXPKTPENDDEC(wlc, fifo, txpktpend); | |
6920 | WL_TRACE(("wlc_txfifo_complete, pktpend dec %d to %d\n", txpktpend, | |
6921 | TXPKTPENDGET(wlc, fifo))); | |
6922 | ||
6923 | /* There is more room; mark precedences related to this FIFO sendable */ | |
6924 | WLC_TX_FIFO_ENAB(wlc, fifo); | |
6925 | ASSERT(TXPKTPENDGET(wlc, fifo) >= 0); | |
6926 | ||
6927 | if (!TXPKTPENDTOT(wlc)) { | |
6928 | if (wlc->block_datafifo & DATA_BLOCK_TX_SUPR) | |
6929 | wlc_bsscfg_tx_check(wlc); | |
6930 | } | |
6931 | ||
6932 | /* Clear MHF2_TXBCMC_NOW flag if BCMC fifo has drained */ | |
6933 | if (AP_ENAB(wlc->pub) && | |
6934 | wlc->bcmcfifo_drain && !TXPKTPENDGET(wlc, TX_BCMC_FIFO)) { | |
0965ae88 | 6935 | wlc->bcmcfifo_drain = false; |
a9533e7e HP |
6936 | wlc_mhf(wlc, MHF2, MHF2_TXBCMC_NOW, 0, WLC_BAND_AUTO); |
6937 | } | |
6938 | ||
6939 | /* figure out which bsscfg is being worked on... */ | |
6940 | } | |
6941 | ||
6942 | /* Given the beacon interval in kus, and a 64 bit TSF in us, | |
6943 | * return the offset (in us) of the TSF from the last TBTT | |
6944 | */ | |
66cbd3ab | 6945 | u32 wlc_calc_tbtt_offset(u32 bp, u32 tsf_h, u32 tsf_l) |
a9533e7e | 6946 | { |
66cbd3ab | 6947 | u32 k, btklo, btkhi, offset; |
a9533e7e HP |
6948 | |
6949 | /* TBTT is always an even multiple of the beacon_interval, | |
6950 | * so the TBTT less than or equal to the beacon timestamp is | |
6951 | * the beacon timestamp minus the beacon timestamp modulo | |
6952 | * the beacon interval. | |
6953 | * | |
6954 | * TBTT = BT - (BT % BIu) | |
6955 | * = (BTk - (BTk % BP)) * 2^10 | |
6956 | * | |
6957 | * BT = beacon timestamp (usec, 64bits) | |
6958 | * BTk = beacon timestamp (Kusec, 54bits) | |
6959 | * BP = beacon interval (Kusec, 16bits) | |
6960 | * BIu = BP * 2^10 = beacon interval (usec, 26bits) | |
6961 | * | |
66cbd3ab | 6962 | * To keep the calculations in u32s, the modulo operation |
a9533e7e HP |
6963 | * on the high part of BT needs to be done in parts using the |
6964 | * relations: | |
6965 | * X*Y mod Z = ((X mod Z) * (Y mod Z)) mod Z | |
6966 | * and | |
6967 | * (X + Y) mod Z = ((X mod Z) + (Y mod Z)) mod Z | |
6968 | * | |
7d4df48e | 6969 | * So, if BTk[n] = u16 n [0,3] of BTk. |
a9533e7e HP |
6970 | * BTk % BP = SUM((BTk[n] * 2^16n) % BP , 0<=n<4) % BP |
6971 | * and the SUM term can be broken down: | |
6972 | * (BTk[n] * 2^16n) % BP | |
6973 | * (BTk[n] * (2^16n % BP)) % BP | |
6974 | * | |
6975 | * Create a set of power of 2 mod BP constants: | |
6976 | * K[n] = 2^(16n) % BP | |
6977 | * = (K[n-1] * 2^16) % BP | |
6978 | * K[2] = 2^32 % BP = ((2^16 % BP) * 2^16) % BP | |
6979 | * | |
6980 | * BTk % BP = BTk[0-1] % BP + | |
6981 | * (BTk[2] * K[2]) % BP + | |
6982 | * (BTk[3] * K[3]) % BP | |
6983 | * | |
6984 | * Since K[n] < 2^16 and BTk[n] is < 2^16, then BTk[n] * K[n] < 2^32 | |
6985 | */ | |
6986 | ||
6987 | /* BTk = BT >> 10, btklo = BTk[0-3], bkthi = BTk[4-6] */ | |
6988 | btklo = (tsf_h << 22) | (tsf_l >> 10); | |
6989 | btkhi = tsf_h >> 10; | |
6990 | ||
6991 | /* offset = BTk % BP */ | |
6992 | offset = btklo % bp; | |
6993 | ||
6994 | /* K[2] = ((2^16 % BP) * 2^16) % BP */ | |
66cbd3ab GKH |
6995 | k = (u32) (1 << 16) % bp; |
6996 | k = (u32) (k * 1 << 16) % (u32) bp; | |
a9533e7e HP |
6997 | |
6998 | /* offset += (BTk[2] * K[2]) % BP */ | |
6999 | offset += ((btkhi & 0xffff) * k) % bp; | |
7000 | ||
7001 | /* BTk[3] */ | |
7002 | btkhi = btkhi >> 16; | |
7003 | ||
7004 | /* k[3] = (K[2] * 2^16) % BP */ | |
7005 | k = (k << 16) % bp; | |
7006 | ||
7007 | /* offset += (BTk[3] * K[3]) % BP */ | |
7008 | offset += ((btkhi & 0xffff) * k) % bp; | |
7009 | ||
7010 | offset = offset % bp; | |
7011 | ||
7012 | /* convert offset from kus to us by shifting up 10 bits and | |
7013 | * add in the low 10 bits of tsf that we ignored | |
7014 | */ | |
7015 | offset = (offset << 10) + (tsf_l & 0x3FF); | |
7016 | ||
7017 | return offset; | |
7018 | } | |
7019 | ||
7020 | /* Update beacon listen interval in shared memory */ | |
7cc4a4c0 | 7021 | void wlc_bcn_li_upd(wlc_info_t *wlc) |
a9533e7e HP |
7022 | { |
7023 | if (AP_ENAB(wlc->pub)) | |
7024 | return; | |
7025 | ||
7026 | /* wake up every DTIM is the default */ | |
7027 | if (wlc->bcn_li_dtim == 1) | |
7028 | wlc_write_shm(wlc, M_BCN_LI, 0); | |
7029 | else | |
7030 | wlc_write_shm(wlc, M_BCN_LI, | |
7031 | (wlc->bcn_li_dtim << 8) | wlc->bcn_li_bcn); | |
7032 | } | |
7033 | ||
7034 | static void | |
7cc4a4c0 | 7035 | prep_mac80211_status(wlc_info_t *wlc, d11rxhdr_t *rxh, void *p, |
a9533e7e HP |
7036 | struct ieee80211_rx_status *rx_status) |
7037 | { | |
66cbd3ab | 7038 | u32 tsf_l, tsf_h; |
a9533e7e HP |
7039 | wlc_d11rxhdr_t *wlc_rxh = (wlc_d11rxhdr_t *) rxh; |
7040 | int preamble; | |
7041 | int channel; | |
7042 | ratespec_t rspec; | |
580a0bd9 | 7043 | unsigned char *plcp; |
a9533e7e HP |
7044 | |
7045 | wlc_read_tsf(wlc, &tsf_l, &tsf_h); /* mactime */ | |
7046 | rx_status->mactime = tsf_h; | |
7047 | rx_status->mactime <<= 32; | |
7048 | rx_status->mactime |= tsf_l; | |
7049 | rx_status->flag |= RX_FLAG_TSFT; | |
7050 | ||
7051 | channel = WLC_CHAN_CHANNEL(rxh->RxChan); | |
7052 | ||
7053 | /* XXX Channel/badn needs to be filtered against whether we are single/dual band card */ | |
7054 | if (channel > 14) { | |
7055 | rx_status->band = IEEE80211_BAND_5GHZ; | |
7056 | rx_status->freq = wf_channel2mhz(channel, WF_CHAN_FACTOR_5_G); | |
7057 | } else { | |
7058 | rx_status->band = IEEE80211_BAND_2GHZ; | |
7059 | rx_status->freq = wf_channel2mhz(channel, WF_CHAN_FACTOR_2_4_G); | |
7060 | } | |
7061 | ||
7062 | rx_status->signal = wlc_rxh->rssi; /* signal */ | |
7063 | ||
7064 | /* noise */ | |
7065 | /* qual */ | |
7066 | rx_status->antenna = (rxh->PhyRxStatus_0 & PRXS0_RXANT_UPSUBBAND) ? 1 : 0; /* ant */ | |
7067 | ||
7068 | plcp = PKTDATA(p); | |
7069 | ||
7070 | rspec = wlc_compute_rspec(rxh, plcp); | |
7071 | if (IS_MCS(rspec)) { | |
7072 | rx_status->rate_idx = rspec & RSPEC_RATE_MASK; | |
7073 | rx_status->flag |= RX_FLAG_HT; | |
7074 | if (RSPEC_IS40MHZ(rspec)) | |
7075 | rx_status->flag |= RX_FLAG_40MHZ; | |
7076 | } else { | |
7077 | switch (RSPEC2RATE(rspec)) { | |
7078 | case WLC_RATE_1M: | |
7079 | rx_status->rate_idx = 0; | |
7080 | break; | |
7081 | case WLC_RATE_2M: | |
7082 | rx_status->rate_idx = 1; | |
7083 | break; | |
7084 | case WLC_RATE_5M5: | |
7085 | rx_status->rate_idx = 2; | |
7086 | break; | |
7087 | case WLC_RATE_11M: | |
7088 | rx_status->rate_idx = 3; | |
7089 | break; | |
7090 | case WLC_RATE_6M: | |
7091 | rx_status->rate_idx = 4; | |
7092 | break; | |
7093 | case WLC_RATE_9M: | |
7094 | rx_status->rate_idx = 5; | |
7095 | break; | |
7096 | case WLC_RATE_12M: | |
7097 | rx_status->rate_idx = 6; | |
7098 | break; | |
7099 | case WLC_RATE_18M: | |
7100 | rx_status->rate_idx = 7; | |
7101 | break; | |
7102 | case WLC_RATE_24M: | |
7103 | rx_status->rate_idx = 8; | |
7104 | break; | |
7105 | case WLC_RATE_36M: | |
7106 | rx_status->rate_idx = 9; | |
7107 | break; | |
7108 | case WLC_RATE_48M: | |
7109 | rx_status->rate_idx = 10; | |
7110 | break; | |
7111 | case WLC_RATE_54M: | |
7112 | rx_status->rate_idx = 11; | |
7113 | break; | |
7114 | default: | |
7115 | WL_ERROR(("%s: Unknown rate\n", __func__)); | |
7116 | } | |
7117 | ||
7118 | /* Determine short preamble and rate_idx */ | |
7119 | preamble = 0; | |
7120 | if (IS_CCK(rspec)) { | |
7121 | if (rxh->PhyRxStatus_0 & PRXS0_SHORTH) | |
7122 | WL_ERROR(("Short CCK\n")); | |
7123 | rx_status->flag |= RX_FLAG_SHORTPRE; | |
7124 | } else if (IS_OFDM(rspec)) { | |
7125 | rx_status->flag |= RX_FLAG_SHORTPRE; | |
7126 | } else { | |
7127 | WL_ERROR(("%s: Unknown modulation\n", __func__)); | |
7128 | } | |
7129 | } | |
7130 | ||
7131 | if (PLCP3_ISSGI(plcp[3])) | |
7132 | rx_status->flag |= RX_FLAG_SHORT_GI; | |
7133 | ||
7134 | if (rxh->RxStatus1 & RXS_DECERR) { | |
7135 | rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC; | |
7136 | WL_ERROR(("%s: RX_FLAG_FAILED_PLCP_CRC\n", __func__)); | |
7137 | } | |
7138 | if (rxh->RxStatus1 & RXS_FCSERR) { | |
7139 | rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; | |
7140 | WL_ERROR(("%s: RX_FLAG_FAILED_FCS_CRC\n", __func__)); | |
7141 | } | |
7142 | } | |
7143 | ||
a9533e7e | 7144 | static void |
7cc4a4c0 | 7145 | wlc_recvctl(wlc_info_t *wlc, osl_t *osh, d11rxhdr_t *rxh, void *p) |
a9533e7e HP |
7146 | { |
7147 | int len_mpdu; | |
7148 | struct ieee80211_rx_status rx_status; | |
7149 | #if defined(BCMDBG) | |
7150 | struct sk_buff *skb = p; | |
7151 | #endif /* BCMDBG */ | |
7152 | /* Todo: | |
7153 | * Cache plcp for first MPDU of AMPD and use chacched version for INTERMEDIATE. | |
7154 | * Test for INTERMEDIATE like so: | |
7155 | * if (!(plcp[0] | plcp[1] | plcp[2])) | |
7156 | */ | |
7157 | ||
7158 | memset(&rx_status, 0, sizeof(rx_status)); | |
7159 | prep_mac80211_status(wlc, rxh, p, &rx_status); | |
7160 | ||
7161 | /* mac header+body length, exclude CRC and plcp header */ | |
7162 | len_mpdu = PKTLEN(p) - D11_PHY_HDR_LEN - DOT11_FCS_LEN; | |
7163 | PKTPULL(p, D11_PHY_HDR_LEN); | |
7164 | PKTSETLEN(p, len_mpdu); | |
7165 | ||
7166 | ASSERT(!PKTNEXT(p)); | |
7167 | ASSERT(!PKTLINK(p)); | |
7168 | ||
f024c48a | 7169 | ASSERT(IS_ALIGNED((unsigned long)skb->data, 2)); |
a9533e7e HP |
7170 | |
7171 | memcpy(IEEE80211_SKB_RXCB(p), &rx_status, sizeof(rx_status)); | |
7172 | ieee80211_rx_irqsafe(wlc->pub->ieee_hw, p); | |
7173 | ||
7174 | WLCNTINCR(wlc->pub->_cnt->ieee_rx); | |
7175 | PKTUNALLOC(osh); | |
7176 | return; | |
7177 | } | |
7178 | ||
7cc4a4c0 | 7179 | void wlc_bss_list_free(wlc_info_t *wlc, wlc_bss_list_t *bss_list) |
a9533e7e HP |
7180 | { |
7181 | uint index; | |
7182 | wlc_bss_info_t *bi; | |
7183 | ||
7184 | if (!bss_list) { | |
7185 | WL_ERROR(("%s: Attempting to free NULL list\n", __func__)); | |
7186 | return; | |
7187 | } | |
7188 | /* inspect all BSS descriptor */ | |
7189 | for (index = 0; index < bss_list->count; index++) { | |
7190 | bi = bss_list->ptrs[index]; | |
7191 | if (bi) { | |
7192 | if (bi->bcn_prb) { | |
182acb3c | 7193 | kfree(bi->bcn_prb); |
a9533e7e | 7194 | } |
182acb3c | 7195 | kfree(bi); |
a9533e7e HP |
7196 | bss_list->ptrs[index] = NULL; |
7197 | } | |
7198 | } | |
7199 | bss_list->count = 0; | |
7200 | } | |
7201 | ||
7202 | /* Process received frames */ | |
7203 | /* | |
0965ae88 | 7204 | * Return true if more frames need to be processed. false otherwise. |
a9533e7e HP |
7205 | * Param 'bound' indicates max. # frames to process before break out. |
7206 | */ | |
7207 | /* WLC_HIGH_API */ | |
7cc4a4c0 | 7208 | void BCMFASTPATH wlc_recv(wlc_info_t *wlc, void *p) |
a9533e7e HP |
7209 | { |
7210 | d11rxhdr_t *rxh; | |
7211 | struct dot11_header *h; | |
7212 | osl_t *osh; | |
7d4df48e | 7213 | u16 fc; |
a9533e7e HP |
7214 | uint len; |
7215 | bool is_amsdu; | |
a9533e7e HP |
7216 | |
7217 | WL_TRACE(("wl%d: wlc_recv\n", wlc->pub->unit)); | |
7218 | ||
7219 | osh = wlc->osh; | |
7220 | ||
7221 | /* frame starts with rxhdr */ | |
7222 | rxh = (d11rxhdr_t *) PKTDATA(p); | |
7223 | ||
7224 | /* strip off rxhdr */ | |
7225 | PKTPULL(p, wlc->hwrxoff); | |
7226 | ||
7227 | /* fixup rx header endianness */ | |
7228 | ltoh16_buf((void *)rxh, sizeof(d11rxhdr_t)); | |
7229 | ||
7230 | /* MAC inserts 2 pad bytes for a4 headers or QoS or A-MSDU subframes */ | |
7231 | if (rxh->RxStatus1 & RXS_PBPRES) { | |
7232 | if (PKTLEN(p) < 2) { | |
7233 | WLCNTINCR(wlc->pub->_cnt->rxrunt); | |
7234 | WL_ERROR(("wl%d: wlc_recv: rcvd runt of len %d\n", | |
7235 | wlc->pub->unit, PKTLEN(p))); | |
7236 | goto toss; | |
7237 | } | |
7238 | PKTPULL(p, 2); | |
7239 | } | |
7240 | ||
7241 | h = (struct dot11_header *)(PKTDATA(p) + D11_PHY_HDR_LEN); | |
7242 | len = PKTLEN(p); | |
7243 | ||
7244 | if (rxh->RxStatus1 & RXS_FCSERR) { | |
7245 | if (wlc->pub->mac80211_state & MAC80211_PROMISC_BCNS) { | |
7246 | WL_ERROR(("FCSERR while scanning******* - tossing\n")); | |
7247 | goto toss; | |
7248 | } else { | |
7249 | WL_ERROR(("RCSERR!!!\n")); | |
7250 | goto toss; | |
7251 | } | |
7252 | } | |
7253 | ||
7254 | /* check received pkt has at least frame control field */ | |
7255 | if (len >= D11_PHY_HDR_LEN + sizeof(h->fc)) { | |
7256 | fc = ltoh16(h->fc); | |
7257 | } else { | |
7258 | WLCNTINCR(wlc->pub->_cnt->rxrunt); | |
7259 | goto toss; | |
7260 | } | |
7261 | ||
7262 | is_amsdu = rxh->RxStatus2 & RXS_AMSDU_MASK; | |
7263 | ||
7264 | /* explicitly test bad src address to avoid sending bad deauth */ | |
7265 | if (!is_amsdu) { | |
7266 | /* CTS and ACK CTL frames are w/o a2 */ | |
7267 | if (FC_TYPE(fc) == FC_TYPE_DATA || FC_TYPE(fc) == FC_TYPE_MNG) { | |
7268 | if ((ETHER_ISNULLADDR(&h->a2) || ETHER_ISMULTI(&h->a2))) { | |
ba07d0cb AS |
7269 | WL_ERROR(("wl%d: %s: dropping a frame with " |
7270 | "invalid src mac address, a2: %pM\n", | |
7271 | wlc->pub->unit, __func__, &h->a2)); | |
a9533e7e HP |
7272 | WLCNTINCR(wlc->pub->_cnt->rxbadsrcmac); |
7273 | goto toss; | |
7274 | } | |
7275 | WLCNTINCR(wlc->pub->_cnt->rxfrag); | |
7276 | } | |
7277 | } | |
7278 | ||
7279 | /* due to sheer numbers, toss out probe reqs for now */ | |
7280 | if (FC_TYPE(fc) == FC_TYPE_MNG) { | |
7281 | if ((fc & FC_KIND_MASK) == FC_PROBE_REQ) | |
7282 | goto toss; | |
7283 | } | |
7284 | ||
7285 | if (is_amsdu) { | |
7286 | WL_ERROR(("%s: is_amsdu causing toss\n", __func__)); | |
7287 | goto toss; | |
7288 | } | |
7289 | ||
7290 | wlc_recvctl(wlc, osh, rxh, p); | |
7291 | return; | |
7292 | ||
7293 | toss: | |
0965ae88 | 7294 | PKTFREE(osh, p, false); |
a9533e7e HP |
7295 | } |
7296 | ||
7297 | /* calculate frame duration for Mixed-mode L-SIG spoofing, return | |
7298 | * number of bytes goes in the length field | |
7299 | * | |
7300 | * Formula given by HT PHY Spec v 1.13 | |
7301 | * len = 3(nsyms + nstream + 3) - 3 | |
7302 | */ | |
7d4df48e | 7303 | u16 BCMFASTPATH |
7cc4a4c0 | 7304 | wlc_calc_lsig_len(wlc_info_t *wlc, ratespec_t ratespec, uint mac_len) |
a9533e7e HP |
7305 | { |
7306 | uint nsyms, len = 0, kNdps; | |
7307 | ||
7308 | WL_TRACE(("wl%d: wlc_calc_lsig_len: rate %d, len%d\n", wlc->pub->unit, | |
7309 | RSPEC2RATE(ratespec), mac_len)); | |
7310 | ||
7311 | if (IS_MCS(ratespec)) { | |
7312 | uint mcs = ratespec & RSPEC_RATE_MASK; | |
7313 | /* MCS_TXS(mcs) returns num tx streams - 1 */ | |
7314 | int tot_streams = (MCS_TXS(mcs) + 1) + RSPEC_STC(ratespec); | |
7315 | ||
7316 | ASSERT(WLC_PHY_11N_CAP(wlc->band)); | |
7317 | /* the payload duration calculation matches that of regular ofdm */ | |
7318 | /* 1000Ndbps = kbps * 4 */ | |
7319 | kNdps = | |
7320 | MCS_RATE(mcs, RSPEC_IS40MHZ(ratespec), | |
7321 | RSPEC_ISSGI(ratespec)) * 4; | |
7322 | ||
7323 | if (RSPEC_STC(ratespec) == 0) | |
7324 | /* NSyms = CEILING((SERVICE + 8*NBytes + TAIL) / Ndbps) */ | |
7325 | nsyms = | |
7326 | CEIL((APHY_SERVICE_NBITS + 8 * mac_len + | |
7327 | APHY_TAIL_NBITS) * 1000, kNdps); | |
7328 | else | |
7329 | /* STBC needs to have even number of symbols */ | |
7330 | nsyms = | |
7331 | 2 * | |
7332 | CEIL((APHY_SERVICE_NBITS + 8 * mac_len + | |
7333 | APHY_TAIL_NBITS) * 1000, 2 * kNdps); | |
7334 | ||
7335 | nsyms += (tot_streams + 3); /* (+3) account for HT-SIG(2) and HT-STF(1) */ | |
7336 | /* 3 bytes/symbol @ legacy 6Mbps rate */ | |
7337 | len = (3 * nsyms) - 3; /* (-3) excluding service bits and tail bits */ | |
7338 | } | |
7339 | ||
7d4df48e | 7340 | return (u16) len; |
a9533e7e HP |
7341 | } |
7342 | ||
7343 | /* calculate frame duration of a given rate and length, return time in usec unit */ | |
7344 | uint BCMFASTPATH | |
41feb5ed | 7345 | wlc_calc_frame_time(wlc_info_t *wlc, ratespec_t ratespec, u8 preamble_type, |
a9533e7e HP |
7346 | uint mac_len) |
7347 | { | |
7348 | uint nsyms, dur = 0, Ndps, kNdps; | |
7349 | uint rate = RSPEC2RATE(ratespec); | |
7350 | ||
7351 | if (rate == 0) { | |
7352 | ASSERT(0); | |
7353 | WL_ERROR(("wl%d: WAR: using rate of 1 mbps\n", wlc->pub->unit)); | |
7354 | rate = WLC_RATE_1M; | |
7355 | } | |
7356 | ||
7357 | 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)); | |
7358 | ||
7359 | if (IS_MCS(ratespec)) { | |
7360 | uint mcs = ratespec & RSPEC_RATE_MASK; | |
7361 | int tot_streams = MCS_TXS(mcs) + RSPEC_STC(ratespec); | |
7362 | ASSERT(WLC_PHY_11N_CAP(wlc->band)); | |
7363 | ASSERT(WLC_IS_MIMO_PREAMBLE(preamble_type)); | |
7364 | ||
7365 | dur = PREN_PREAMBLE + (tot_streams * PREN_PREAMBLE_EXT); | |
7366 | if (preamble_type == WLC_MM_PREAMBLE) | |
7367 | dur += PREN_MM_EXT; | |
7368 | /* 1000Ndbps = kbps * 4 */ | |
7369 | kNdps = | |
7370 | MCS_RATE(mcs, RSPEC_IS40MHZ(ratespec), | |
7371 | RSPEC_ISSGI(ratespec)) * 4; | |
7372 | ||
7373 | if (RSPEC_STC(ratespec) == 0) | |
7374 | /* NSyms = CEILING((SERVICE + 8*NBytes + TAIL) / Ndbps) */ | |
7375 | nsyms = | |
7376 | CEIL((APHY_SERVICE_NBITS + 8 * mac_len + | |
7377 | APHY_TAIL_NBITS) * 1000, kNdps); | |
7378 | else | |
7379 | /* STBC needs to have even number of symbols */ | |
7380 | nsyms = | |
7381 | 2 * | |
7382 | CEIL((APHY_SERVICE_NBITS + 8 * mac_len + | |
7383 | APHY_TAIL_NBITS) * 1000, 2 * kNdps); | |
7384 | ||
7385 | dur += APHY_SYMBOL_TIME * nsyms; | |
7386 | if (BAND_2G(wlc->band->bandtype)) | |
7387 | dur += DOT11_OFDM_SIGNAL_EXTENSION; | |
7388 | } else if (IS_OFDM(rate)) { | |
7389 | dur = APHY_PREAMBLE_TIME; | |
7390 | dur += APHY_SIGNAL_TIME; | |
7391 | /* Ndbps = Mbps * 4 = rate(500Kbps) * 2 */ | |
7392 | Ndps = rate * 2; | |
7393 | /* NSyms = CEILING((SERVICE + 8*NBytes + TAIL) / Ndbps) */ | |
7394 | nsyms = | |
7395 | CEIL((APHY_SERVICE_NBITS + 8 * mac_len + APHY_TAIL_NBITS), | |
7396 | Ndps); | |
7397 | dur += APHY_SYMBOL_TIME * nsyms; | |
7398 | if (BAND_2G(wlc->band->bandtype)) | |
7399 | dur += DOT11_OFDM_SIGNAL_EXTENSION; | |
7400 | } else { | |
7401 | /* calc # bits * 2 so factor of 2 in rate (1/2 mbps) will divide out */ | |
7402 | mac_len = mac_len * 8 * 2; | |
7403 | /* calc ceiling of bits/rate = microseconds of air time */ | |
7404 | dur = (mac_len + rate - 1) / rate; | |
7405 | if (preamble_type & WLC_SHORT_PREAMBLE) | |
7406 | dur += BPHY_PLCP_SHORT_TIME; | |
7407 | else | |
7408 | dur += BPHY_PLCP_TIME; | |
7409 | } | |
7410 | return dur; | |
7411 | } | |
7412 | ||
7413 | /* The opposite of wlc_calc_frame_time */ | |
7414 | static uint | |
41feb5ed | 7415 | wlc_calc_frame_len(wlc_info_t *wlc, ratespec_t ratespec, u8 preamble_type, |
a9533e7e HP |
7416 | uint dur) |
7417 | { | |
7418 | uint nsyms, mac_len, Ndps, kNdps; | |
7419 | uint rate = RSPEC2RATE(ratespec); | |
7420 | ||
7421 | WL_TRACE(("wl%d: wlc_calc_frame_len: rspec 0x%x, preamble_type %d, dur %d\n", wlc->pub->unit, ratespec, preamble_type, dur)); | |
7422 | ||
7423 | if (IS_MCS(ratespec)) { | |
7424 | uint mcs = ratespec & RSPEC_RATE_MASK; | |
7425 | int tot_streams = MCS_TXS(mcs) + RSPEC_STC(ratespec); | |
7426 | ASSERT(WLC_PHY_11N_CAP(wlc->band)); | |
7427 | dur -= PREN_PREAMBLE + (tot_streams * PREN_PREAMBLE_EXT); | |
7428 | /* payload calculation matches that of regular ofdm */ | |
7429 | if (BAND_2G(wlc->band->bandtype)) | |
7430 | dur -= DOT11_OFDM_SIGNAL_EXTENSION; | |
7431 | /* kNdbps = kbps * 4 */ | |
7432 | kNdps = | |
7433 | MCS_RATE(mcs, RSPEC_IS40MHZ(ratespec), | |
7434 | RSPEC_ISSGI(ratespec)) * 4; | |
7435 | nsyms = dur / APHY_SYMBOL_TIME; | |
7436 | mac_len = | |
7437 | ((nsyms * kNdps) - | |
7438 | ((APHY_SERVICE_NBITS + APHY_TAIL_NBITS) * 1000)) / 8000; | |
7439 | } else if (IS_OFDM(ratespec)) { | |
7440 | dur -= APHY_PREAMBLE_TIME; | |
7441 | dur -= APHY_SIGNAL_TIME; | |
7442 | /* Ndbps = Mbps * 4 = rate(500Kbps) * 2 */ | |
7443 | Ndps = rate * 2; | |
7444 | nsyms = dur / APHY_SYMBOL_TIME; | |
7445 | mac_len = | |
7446 | ((nsyms * Ndps) - | |
7447 | (APHY_SERVICE_NBITS + APHY_TAIL_NBITS)) / 8; | |
7448 | } else { | |
7449 | if (preamble_type & WLC_SHORT_PREAMBLE) | |
7450 | dur -= BPHY_PLCP_SHORT_TIME; | |
7451 | else | |
7452 | dur -= BPHY_PLCP_TIME; | |
7453 | mac_len = dur * rate; | |
7454 | /* divide out factor of 2 in rate (1/2 mbps) */ | |
7455 | mac_len = mac_len / 8 / 2; | |
7456 | } | |
7457 | return mac_len; | |
7458 | } | |
7459 | ||
7460 | static uint | |
41feb5ed | 7461 | wlc_calc_ba_time(wlc_info_t *wlc, ratespec_t rspec, u8 preamble_type) |
a9533e7e HP |
7462 | { |
7463 | WL_TRACE(("wl%d: wlc_calc_ba_time: rspec 0x%x, preamble_type %d\n", | |
7464 | wlc->pub->unit, rspec, preamble_type)); | |
7465 | /* Spec 9.6: ack rate is the highest rate in BSSBasicRateSet that is less than | |
7466 | * or equal to the rate of the immediately previous frame in the FES | |
7467 | */ | |
7468 | rspec = WLC_BASIC_RATE(wlc, rspec); | |
7469 | ASSERT(VALID_RATE_DBG(wlc, rspec)); | |
7470 | ||
7471 | /* BA len == 32 == 16(ctl hdr) + 4(ba len) + 8(bitmap) + 4(fcs) */ | |
7472 | return wlc_calc_frame_time(wlc, rspec, preamble_type, | |
7473 | (DOT11_BA_LEN + DOT11_BA_BITMAP_LEN + | |
7474 | DOT11_FCS_LEN)); | |
7475 | } | |
7476 | ||
7477 | static uint BCMFASTPATH | |
41feb5ed | 7478 | wlc_calc_ack_time(wlc_info_t *wlc, ratespec_t rspec, u8 preamble_type) |
a9533e7e HP |
7479 | { |
7480 | uint dur = 0; | |
7481 | ||
7482 | WL_TRACE(("wl%d: wlc_calc_ack_time: rspec 0x%x, preamble_type %d\n", | |
7483 | wlc->pub->unit, rspec, preamble_type)); | |
7484 | /* Spec 9.6: ack rate is the highest rate in BSSBasicRateSet that is less than | |
7485 | * or equal to the rate of the immediately previous frame in the FES | |
7486 | */ | |
7487 | rspec = WLC_BASIC_RATE(wlc, rspec); | |
7488 | ASSERT(VALID_RATE_DBG(wlc, rspec)); | |
7489 | ||
7490 | /* ACK frame len == 14 == 2(fc) + 2(dur) + 6(ra) + 4(fcs) */ | |
7491 | dur = | |
7492 | wlc_calc_frame_time(wlc, rspec, preamble_type, | |
7493 | (DOT11_ACK_LEN + DOT11_FCS_LEN)); | |
7494 | return dur; | |
7495 | } | |
7496 | ||
7497 | static uint | |
41feb5ed | 7498 | wlc_calc_cts_time(wlc_info_t *wlc, ratespec_t rspec, u8 preamble_type) |
a9533e7e HP |
7499 | { |
7500 | WL_TRACE(("wl%d: wlc_calc_cts_time: ratespec 0x%x, preamble_type %d\n", | |
7501 | wlc->pub->unit, rspec, preamble_type)); | |
7502 | return wlc_calc_ack_time(wlc, rspec, preamble_type); | |
7503 | } | |
7504 | ||
7505 | /* derive wlc->band->basic_rate[] table from 'rateset' */ | |
7cc4a4c0 | 7506 | void wlc_rate_lookup_init(wlc_info_t *wlc, wlc_rateset_t *rateset) |
a9533e7e | 7507 | { |
41feb5ed GKH |
7508 | u8 rate; |
7509 | u8 mandatory; | |
7510 | u8 cck_basic = 0; | |
7511 | u8 ofdm_basic = 0; | |
7512 | u8 *br = wlc->band->basic_rate; | |
a9533e7e HP |
7513 | uint i; |
7514 | ||
7515 | /* incoming rates are in 500kbps units as in 802.11 Supported Rates */ | |
7516 | bzero(br, WLC_MAXRATE + 1); | |
7517 | ||
7518 | /* For each basic rate in the rates list, make an entry in the | |
7519 | * best basic lookup. | |
7520 | */ | |
7521 | for (i = 0; i < rateset->count; i++) { | |
7522 | /* only make an entry for a basic rate */ | |
7523 | if (!(rateset->rates[i] & WLC_RATE_FLAG)) | |
7524 | continue; | |
7525 | ||
7526 | /* mask off basic bit */ | |
7527 | rate = (rateset->rates[i] & RATE_MASK); | |
7528 | ||
7529 | if (rate > WLC_MAXRATE) { | |
7530 | WL_ERROR(("wlc_rate_lookup_init: invalid rate 0x%X in rate set\n", rateset->rates[i])); | |
7531 | continue; | |
7532 | } | |
7533 | ||
7534 | br[rate] = rate; | |
7535 | } | |
7536 | ||
7537 | /* The rate lookup table now has non-zero entries for each | |
7538 | * basic rate, equal to the basic rate: br[basicN] = basicN | |
7539 | * | |
7540 | * To look up the best basic rate corresponding to any | |
7541 | * particular rate, code can use the basic_rate table | |
7542 | * like this | |
7543 | * | |
7544 | * basic_rate = wlc->band->basic_rate[tx_rate] | |
7545 | * | |
7546 | * Make sure there is a best basic rate entry for | |
7547 | * every rate by walking up the table from low rates | |
7548 | * to high, filling in holes in the lookup table | |
7549 | */ | |
7550 | ||
7551 | for (i = 0; i < wlc->band->hw_rateset.count; i++) { | |
7552 | rate = wlc->band->hw_rateset.rates[i]; | |
7553 | ASSERT(rate <= WLC_MAXRATE); | |
7554 | ||
7555 | if (br[rate] != 0) { | |
7556 | /* This rate is a basic rate. | |
7557 | * Keep track of the best basic rate so far by | |
7558 | * modulation type. | |
7559 | */ | |
7560 | if (IS_OFDM(rate)) | |
7561 | ofdm_basic = rate; | |
7562 | else | |
7563 | cck_basic = rate; | |
7564 | ||
7565 | continue; | |
7566 | } | |
7567 | ||
7568 | /* This rate is not a basic rate so figure out the | |
7569 | * best basic rate less than this rate and fill in | |
7570 | * the hole in the table | |
7571 | */ | |
7572 | ||
7573 | br[rate] = IS_OFDM(rate) ? ofdm_basic : cck_basic; | |
7574 | ||
7575 | if (br[rate] != 0) | |
7576 | continue; | |
7577 | ||
7578 | if (IS_OFDM(rate)) { | |
7579 | /* In 11g and 11a, the OFDM mandatory rates are 6, 12, and 24 Mbps */ | |
7580 | if (rate >= WLC_RATE_24M) | |
7581 | mandatory = WLC_RATE_24M; | |
7582 | else if (rate >= WLC_RATE_12M) | |
7583 | mandatory = WLC_RATE_12M; | |
7584 | else | |
7585 | mandatory = WLC_RATE_6M; | |
7586 | } else { | |
7587 | /* In 11b, all the CCK rates are mandatory 1 - 11 Mbps */ | |
7588 | mandatory = rate; | |
7589 | } | |
7590 | ||
7591 | br[rate] = mandatory; | |
7592 | } | |
7593 | } | |
7594 | ||
41feb5ed | 7595 | static void wlc_write_rate_shm(wlc_info_t *wlc, u8 rate, u8 basic_rate) |
a9533e7e | 7596 | { |
41feb5ed GKH |
7597 | u8 phy_rate, index; |
7598 | u8 basic_phy_rate, basic_index; | |
7d4df48e GKH |
7599 | u16 dir_table, basic_table; |
7600 | u16 basic_ptr; | |
a9533e7e HP |
7601 | |
7602 | /* Shared memory address for the table we are reading */ | |
7603 | dir_table = IS_OFDM(basic_rate) ? M_RT_DIRMAP_A : M_RT_DIRMAP_B; | |
7604 | ||
7605 | /* Shared memory address for the table we are writing */ | |
7606 | basic_table = IS_OFDM(rate) ? M_RT_BBRSMAP_A : M_RT_BBRSMAP_B; | |
7607 | ||
7608 | /* | |
7609 | * for a given rate, the LS-nibble of the PLCP SIGNAL field is | |
7610 | * the index into the rate table. | |
7611 | */ | |
7612 | phy_rate = rate_info[rate] & RATE_MASK; | |
7613 | basic_phy_rate = rate_info[basic_rate] & RATE_MASK; | |
7614 | index = phy_rate & 0xf; | |
7615 | basic_index = basic_phy_rate & 0xf; | |
7616 | ||
7617 | /* Find the SHM pointer to the ACK rate entry by looking in the | |
7618 | * Direct-map Table | |
7619 | */ | |
7620 | basic_ptr = wlc_read_shm(wlc, (dir_table + basic_index * 2)); | |
7621 | ||
7622 | /* Update the SHM BSS-basic-rate-set mapping table with the pointer | |
7623 | * to the correct basic rate for the given incoming rate | |
7624 | */ | |
7625 | wlc_write_shm(wlc, (basic_table + index * 2), basic_ptr); | |
7626 | } | |
7627 | ||
7cc4a4c0 | 7628 | static const wlc_rateset_t *wlc_rateset_get_hwrs(wlc_info_t *wlc) |
a9533e7e HP |
7629 | { |
7630 | const wlc_rateset_t *rs_dflt; | |
7631 | ||
7632 | if (WLC_PHY_11N_CAP(wlc->band)) { | |
7633 | if (BAND_5G(wlc->band->bandtype)) | |
7634 | rs_dflt = &ofdm_mimo_rates; | |
7635 | else | |
7636 | rs_dflt = &cck_ofdm_mimo_rates; | |
7637 | } else if (wlc->band->gmode) | |
7638 | rs_dflt = &cck_ofdm_rates; | |
7639 | else | |
7640 | rs_dflt = &cck_rates; | |
7641 | ||
7642 | return rs_dflt; | |
7643 | } | |
7644 | ||
7cc4a4c0 | 7645 | void wlc_set_ratetable(wlc_info_t *wlc) |
a9533e7e HP |
7646 | { |
7647 | const wlc_rateset_t *rs_dflt; | |
7648 | wlc_rateset_t rs; | |
41feb5ed | 7649 | u8 rate, basic_rate; |
a9533e7e HP |
7650 | uint i; |
7651 | ||
7652 | rs_dflt = wlc_rateset_get_hwrs(wlc); | |
7653 | ASSERT(rs_dflt != NULL); | |
7654 | ||
7655 | wlc_rateset_copy(rs_dflt, &rs); | |
7656 | wlc_rateset_mcs_upd(&rs, wlc->stf->txstreams); | |
7657 | ||
7658 | /* walk the phy rate table and update SHM basic rate lookup table */ | |
7659 | for (i = 0; i < rs.count; i++) { | |
7660 | rate = rs.rates[i] & RATE_MASK; | |
7661 | ||
7662 | /* for a given rate WLC_BASIC_RATE returns the rate at | |
7663 | * which a response ACK/CTS should be sent. | |
7664 | */ | |
7665 | basic_rate = WLC_BASIC_RATE(wlc, rate); | |
7666 | if (basic_rate == 0) { | |
7667 | /* This should only happen if we are using a | |
7668 | * restricted rateset. | |
7669 | */ | |
7670 | basic_rate = rs.rates[0] & RATE_MASK; | |
7671 | } | |
7672 | ||
7673 | wlc_write_rate_shm(wlc, rate, basic_rate); | |
7674 | } | |
7675 | } | |
7676 | ||
7677 | /* | |
7678 | * Return true if the specified rate is supported by the specified band. | |
7679 | * WLC_BAND_AUTO indicates the current band. | |
7680 | */ | |
7cc4a4c0 | 7681 | bool wlc_valid_rate(wlc_info_t *wlc, ratespec_t rspec, int band, bool verbose) |
a9533e7e HP |
7682 | { |
7683 | wlc_rateset_t *hw_rateset; | |
7684 | uint i; | |
7685 | ||
7686 | if ((band == WLC_BAND_AUTO) || (band == wlc->band->bandtype)) { | |
7687 | hw_rateset = &wlc->band->hw_rateset; | |
7688 | } else if (NBANDS(wlc) > 1) { | |
7689 | hw_rateset = &wlc->bandstate[OTHERBANDUNIT(wlc)]->hw_rateset; | |
7690 | } else { | |
7691 | /* other band specified and we are a single band device */ | |
0965ae88 | 7692 | return false; |
a9533e7e HP |
7693 | } |
7694 | ||
7695 | /* check if this is a mimo rate */ | |
7696 | if (IS_MCS(rspec)) { | |
7697 | if (!VALID_MCS((rspec & RSPEC_RATE_MASK))) | |
7698 | goto error; | |
7699 | ||
7700 | return isset(hw_rateset->mcs, (rspec & RSPEC_RATE_MASK)); | |
7701 | } | |
7702 | ||
7703 | for (i = 0; i < hw_rateset->count; i++) | |
7704 | if (hw_rateset->rates[i] == RSPEC2RATE(rspec)) | |
0f0881b0 | 7705 | return true; |
a9533e7e HP |
7706 | error: |
7707 | if (verbose) { | |
7708 | WL_ERROR(("wl%d: wlc_valid_rate: rate spec 0x%x not in hw_rateset\n", wlc->pub->unit, rspec)); | |
7709 | } | |
7710 | ||
0965ae88 | 7711 | return false; |
a9533e7e HP |
7712 | } |
7713 | ||
41feb5ed | 7714 | static void wlc_update_mimo_band_bwcap(wlc_info_t *wlc, u8 bwcap) |
a9533e7e HP |
7715 | { |
7716 | uint i; | |
7717 | wlcband_t *band; | |
7718 | ||
7719 | for (i = 0; i < NBANDS(wlc); i++) { | |
7720 | if (IS_SINGLEBAND_5G(wlc->deviceid)) | |
7721 | i = BAND_5G_INDEX; | |
7722 | band = wlc->bandstate[i]; | |
7723 | if (band->bandtype == WLC_BAND_5G) { | |
7724 | if ((bwcap == WLC_N_BW_40ALL) | |
7725 | || (bwcap == WLC_N_BW_20IN2G_40IN5G)) | |
0f0881b0 | 7726 | band->mimo_cap_40 = true; |
a9533e7e | 7727 | else |
0965ae88 | 7728 | band->mimo_cap_40 = false; |
a9533e7e HP |
7729 | } else { |
7730 | ASSERT(band->bandtype == WLC_BAND_2G); | |
7731 | if (bwcap == WLC_N_BW_40ALL) | |
0f0881b0 | 7732 | band->mimo_cap_40 = true; |
a9533e7e | 7733 | else |
0965ae88 | 7734 | band->mimo_cap_40 = false; |
a9533e7e HP |
7735 | } |
7736 | } | |
7737 | ||
7738 | wlc->mimo_band_bwcap = bwcap; | |
7739 | } | |
7740 | ||
7cc4a4c0 | 7741 | void wlc_mod_prb_rsp_rate_table(wlc_info_t *wlc, uint frame_len) |
a9533e7e HP |
7742 | { |
7743 | const wlc_rateset_t *rs_dflt; | |
7744 | wlc_rateset_t rs; | |
41feb5ed | 7745 | u8 rate; |
7d4df48e | 7746 | u16 entry_ptr; |
41feb5ed | 7747 | u8 plcp[D11_PHY_HDR_LEN]; |
7d4df48e | 7748 | u16 dur, sifs; |
a9533e7e HP |
7749 | uint i; |
7750 | ||
7751 | sifs = SIFS(wlc->band); | |
7752 | ||
7753 | rs_dflt = wlc_rateset_get_hwrs(wlc); | |
7754 | ASSERT(rs_dflt != NULL); | |
7755 | ||
7756 | wlc_rateset_copy(rs_dflt, &rs); | |
7757 | wlc_rateset_mcs_upd(&rs, wlc->stf->txstreams); | |
7758 | ||
7759 | /* walk the phy rate table and update MAC core SHM basic rate table entries */ | |
7760 | for (i = 0; i < rs.count; i++) { | |
7761 | rate = rs.rates[i] & RATE_MASK; | |
7762 | ||
7763 | entry_ptr = wlc_rate_shm_offset(wlc, rate); | |
7764 | ||
7765 | /* Calculate the Probe Response PLCP for the given rate */ | |
7766 | wlc_compute_plcp(wlc, rate, frame_len, plcp); | |
7767 | ||
7768 | /* Calculate the duration of the Probe Response frame plus SIFS for the MAC */ | |
7769 | dur = | |
7d4df48e | 7770 | (u16) wlc_calc_frame_time(wlc, rate, WLC_LONG_PREAMBLE, |
a9533e7e HP |
7771 | frame_len); |
7772 | dur += sifs; | |
7773 | ||
7774 | /* Update the SHM Rate Table entry Probe Response values */ | |
7775 | wlc_write_shm(wlc, entry_ptr + M_RT_PRS_PLCP_POS, | |
7d4df48e | 7776 | (u16) (plcp[0] + (plcp[1] << 8))); |
a9533e7e | 7777 | wlc_write_shm(wlc, entry_ptr + M_RT_PRS_PLCP_POS + 2, |
7d4df48e | 7778 | (u16) (plcp[2] + (plcp[3] << 8))); |
a9533e7e HP |
7779 | wlc_write_shm(wlc, entry_ptr + M_RT_PRS_DUR_POS, dur); |
7780 | } | |
7781 | } | |
7782 | ||
7d4df48e | 7783 | u16 |
7cc4a4c0 | 7784 | wlc_compute_bcntsfoff(wlc_info_t *wlc, ratespec_t rspec, bool short_preamble, |
a9533e7e HP |
7785 | bool phydelay) |
7786 | { | |
7787 | uint bcntsfoff = 0; | |
7788 | ||
7789 | if (IS_MCS(rspec)) { | |
7790 | WL_ERROR(("wl%d: recd beacon with mcs rate; rspec 0x%x\n", | |
7791 | wlc->pub->unit, rspec)); | |
7792 | } else if (IS_OFDM(rspec)) { | |
7793 | /* tx delay from MAC through phy to air (2.1 usec) + | |
7794 | * phy header time (preamble + PLCP SIGNAL == 20 usec) + | |
7795 | * PLCP SERVICE + MAC header time (SERVICE + FC + DUR + A1 + A2 + A3 + SEQ == 26 | |
7796 | * bytes at beacon rate) | |
7797 | */ | |
7798 | bcntsfoff += phydelay ? D11A_PHY_TX_DELAY : 0; | |
7799 | bcntsfoff += APHY_PREAMBLE_TIME + APHY_SIGNAL_TIME; | |
7800 | bcntsfoff += | |
7801 | wlc_compute_airtime(wlc, rspec, | |
7802 | APHY_SERVICE_NBITS / 8 + | |
7803 | DOT11_MAC_HDR_LEN); | |
7804 | } else { | |
7805 | /* tx delay from MAC through phy to air (3.4 usec) + | |
7806 | * phy header time (long preamble + PLCP == 192 usec) + | |
7807 | * MAC header time (FC + DUR + A1 + A2 + A3 + SEQ == 24 bytes at beacon rate) | |
7808 | */ | |
7809 | bcntsfoff += phydelay ? D11B_PHY_TX_DELAY : 0; | |
7810 | bcntsfoff += | |
7811 | short_preamble ? D11B_PHY_SPREHDR_TIME : | |
7812 | D11B_PHY_LPREHDR_TIME; | |
7813 | bcntsfoff += wlc_compute_airtime(wlc, rspec, DOT11_MAC_HDR_LEN); | |
7814 | } | |
7d4df48e | 7815 | return (u16) (bcntsfoff); |
a9533e7e HP |
7816 | } |
7817 | ||
7818 | /* Max buffering needed for beacon template/prb resp template is 142 bytes. | |
7819 | * | |
7820 | * PLCP header is 6 bytes. | |
7821 | * 802.11 A3 header is 24 bytes. | |
7822 | * Max beacon frame body template length is 112 bytes. | |
7823 | * Max probe resp frame body template length is 110 bytes. | |
7824 | * | |
7825 | * *len on input contains the max length of the packet available. | |
7826 | * | |
7827 | * The *len value is set to the number of bytes in buf used, and starts with the PLCP | |
7828 | * and included up to, but not including, the 4 byte FCS. | |
7829 | */ | |
7830 | static void | |
7cc4a4c0 | 7831 | wlc_bcn_prb_template(wlc_info_t *wlc, uint type, ratespec_t bcn_rspec, |
7d4df48e | 7832 | wlc_bsscfg_t *cfg, u16 *buf, int *len) |
a9533e7e HP |
7833 | { |
7834 | cck_phy_hdr_t *plcp; | |
7835 | struct dot11_management_header *h; | |
7836 | int hdr_len, body_len; | |
7837 | ||
7838 | ASSERT(*len >= 142); | |
7839 | ASSERT(type == FC_BEACON || type == FC_PROBE_RESP); | |
7840 | ||
7841 | if (MBSS_BCN_ENAB(cfg) && type == FC_BEACON) | |
7842 | hdr_len = DOT11_MAC_HDR_LEN; | |
7843 | else | |
7844 | hdr_len = D11_PHY_HDR_LEN + DOT11_MAC_HDR_LEN; | |
7845 | body_len = *len - hdr_len; /* calc buffer size provided for frame body */ | |
7846 | ||
7847 | *len = hdr_len + body_len; /* return actual size */ | |
7848 | ||
7849 | /* format PHY and MAC headers */ | |
7850 | bzero((char *)buf, hdr_len); | |
7851 | ||
7852 | plcp = (cck_phy_hdr_t *) buf; | |
7853 | ||
7854 | /* PLCP for Probe Response frames are filled in from core's rate table */ | |
7855 | if (type == FC_BEACON && !MBSS_BCN_ENAB(cfg)) { | |
7856 | /* fill in PLCP */ | |
7857 | wlc_compute_plcp(wlc, bcn_rspec, | |
7858 | (DOT11_MAC_HDR_LEN + body_len + DOT11_FCS_LEN), | |
41feb5ed | 7859 | (u8 *) plcp); |
a9533e7e HP |
7860 | |
7861 | } | |
7862 | /* "Regular" and 16 MBSS but not for 4 MBSS */ | |
7863 | /* Update the phytxctl for the beacon based on the rspec */ | |
7864 | if (!SOFTBCN_ENAB(cfg)) | |
7865 | wlc_beacon_phytxctl_txant_upd(wlc, bcn_rspec); | |
7866 | ||
7867 | if (MBSS_BCN_ENAB(cfg) && type == FC_BEACON) | |
7868 | h = (struct dot11_management_header *)&plcp[0]; | |
7869 | else | |
7870 | h = (struct dot11_management_header *)&plcp[1]; | |
7871 | ||
7872 | /* fill in 802.11 header */ | |
7d4df48e | 7873 | h->fc = htol16((u16) type); |
a9533e7e HP |
7874 | |
7875 | /* DUR is 0 for multicast bcn, or filled in by MAC for prb resp */ | |
7876 | /* A1 filled in by MAC for prb resp, broadcast for bcn */ | |
7877 | if (type == FC_BEACON) | |
7878 | bcopy((const char *)ðer_bcast, (char *)&h->da, | |
7879 | ETHER_ADDR_LEN); | |
7880 | bcopy((char *)&cfg->cur_etheraddr, (char *)&h->sa, ETHER_ADDR_LEN); | |
7881 | bcopy((char *)&cfg->BSSID, (char *)&h->bssid, ETHER_ADDR_LEN); | |
7882 | ||
7883 | /* SEQ filled in by MAC */ | |
7884 | ||
7885 | return; | |
7886 | } | |
7887 | ||
7888 | int wlc_get_header_len() | |
7889 | { | |
7890 | return TXOFF; | |
7891 | } | |
7892 | ||
7893 | /* Update a beacon for a particular BSS | |
7894 | * For MBSS, this updates the software template and sets "latest" to the index of the | |
7895 | * template updated. | |
7896 | * Otherwise, it updates the hardware template. | |
7897 | */ | |
7cc4a4c0 | 7898 | void wlc_bss_update_beacon(wlc_info_t *wlc, wlc_bsscfg_t *cfg) |
a9533e7e HP |
7899 | { |
7900 | int len = BCN_TMPL_LEN; | |
7901 | ||
7902 | /* Clear the soft intmask */ | |
7903 | wlc->defmacintmask &= ~MI_BCNTPL; | |
7904 | ||
7905 | if (!cfg->up) { /* Only allow updates on an UP bss */ | |
7906 | return; | |
7907 | } | |
7908 | ||
7909 | if (MBSS_BCN_ENAB(cfg)) { /* Optimize: Some of if/else could be combined */ | |
7910 | } else if (HWBCN_ENAB(cfg)) { /* Hardware beaconing for this config */ | |
7d4df48e | 7911 | u16 bcn[BCN_TMPL_LEN / 2]; |
66cbd3ab | 7912 | u32 both_valid = MCMD_BCN0VLD | MCMD_BCN1VLD; |
a9533e7e HP |
7913 | d11regs_t *regs = wlc->regs; |
7914 | osl_t *osh = NULL; | |
7915 | ||
7916 | osh = wlc->osh; | |
7917 | ||
7918 | /* Check if both templates are in use, if so sched. an interrupt | |
7919 | * that will call back into this routine | |
7920 | */ | |
7921 | if ((R_REG(osh, ®s->maccommand) & both_valid) == both_valid) { | |
7922 | /* clear any previous status */ | |
7923 | W_REG(osh, ®s->macintstatus, MI_BCNTPL); | |
7924 | } | |
7925 | /* Check that after scheduling the interrupt both of the | |
7926 | * templates are still busy. if not clear the int. & remask | |
7927 | */ | |
7928 | if ((R_REG(osh, ®s->maccommand) & both_valid) == both_valid) { | |
7929 | wlc->defmacintmask |= MI_BCNTPL; | |
7930 | return; | |
7931 | } | |
7932 | ||
7933 | wlc->bcn_rspec = | |
7934 | wlc_lowest_basic_rspec(wlc, &cfg->current_bss->rateset); | |
7935 | ASSERT(wlc_valid_rate | |
7936 | (wlc, wlc->bcn_rspec, | |
7937 | CHSPEC_IS2G(cfg->current_bss-> | |
7938 | chanspec) ? WLC_BAND_2G : WLC_BAND_5G, | |
0f0881b0 | 7939 | true)); |
a9533e7e HP |
7940 | |
7941 | /* update the template and ucode shm */ | |
7942 | wlc_bcn_prb_template(wlc, FC_BEACON, wlc->bcn_rspec, cfg, bcn, | |
7943 | &len); | |
0965ae88 | 7944 | wlc_write_hw_bcntemplates(wlc, bcn, len, false); |
a9533e7e HP |
7945 | } |
7946 | } | |
7947 | ||
7948 | /* | |
7949 | * Update all beacons for the system. | |
7950 | */ | |
7cc4a4c0 | 7951 | void wlc_update_beacon(wlc_info_t *wlc) |
a9533e7e HP |
7952 | { |
7953 | int idx; | |
7954 | wlc_bsscfg_t *bsscfg; | |
7955 | ||
7956 | /* update AP or IBSS beacons */ | |
7957 | FOREACH_BSS(wlc, idx, bsscfg) { | |
7958 | if (bsscfg->up && (BSSCFG_AP(bsscfg) || !bsscfg->BSS)) | |
7959 | wlc_bss_update_beacon(wlc, bsscfg); | |
7960 | } | |
7961 | } | |
7962 | ||
7963 | /* Write ssid into shared memory */ | |
7cc4a4c0 | 7964 | void wlc_shm_ssid_upd(wlc_info_t *wlc, wlc_bsscfg_t *cfg) |
a9533e7e | 7965 | { |
41feb5ed | 7966 | u8 *ssidptr = cfg->SSID; |
7d4df48e | 7967 | u16 base = M_SSID; |
41feb5ed | 7968 | u8 ssidbuf[DOT11_MAX_SSID_LEN]; |
a9533e7e HP |
7969 | |
7970 | /* padding the ssid with zero and copy it into shm */ | |
7971 | bzero(ssidbuf, DOT11_MAX_SSID_LEN); | |
7972 | bcopy(ssidptr, ssidbuf, cfg->SSID_len); | |
7973 | ||
7974 | wlc_copyto_shm(wlc, base, ssidbuf, DOT11_MAX_SSID_LEN); | |
7975 | ||
7976 | if (!MBSS_BCN_ENAB(cfg)) | |
7d4df48e | 7977 | wlc_write_shm(wlc, M_SSIDLEN, (u16) cfg->SSID_len); |
a9533e7e HP |
7978 | } |
7979 | ||
7cc4a4c0 | 7980 | void wlc_update_probe_resp(wlc_info_t *wlc, bool suspend) |
a9533e7e HP |
7981 | { |
7982 | int idx; | |
7983 | wlc_bsscfg_t *bsscfg; | |
7984 | ||
7985 | /* update AP or IBSS probe responses */ | |
7986 | FOREACH_BSS(wlc, idx, bsscfg) { | |
7987 | if (bsscfg->up && (BSSCFG_AP(bsscfg) || !bsscfg->BSS)) | |
7988 | wlc_bss_update_probe_resp(wlc, bsscfg, suspend); | |
7989 | } | |
7990 | } | |
7991 | ||
7992 | void | |
7cc4a4c0 | 7993 | wlc_bss_update_probe_resp(wlc_info_t *wlc, wlc_bsscfg_t *cfg, bool suspend) |
a9533e7e | 7994 | { |
7d4df48e | 7995 | u16 prb_resp[BCN_TMPL_LEN / 2]; |
a9533e7e HP |
7996 | int len = BCN_TMPL_LEN; |
7997 | ||
7998 | /* write the probe response to hardware, or save in the config structure */ | |
7999 | if (!MBSS_PRB_ENAB(cfg)) { | |
8000 | ||
8001 | /* create the probe response template */ | |
8002 | wlc_bcn_prb_template(wlc, FC_PROBE_RESP, 0, cfg, prb_resp, | |
8003 | &len); | |
8004 | ||
8005 | if (suspend) | |
8006 | wlc_suspend_mac_and_wait(wlc); | |
8007 | ||
8008 | /* write the probe response into the template region */ | |
8009 | wlc_bmac_write_template_ram(wlc->hw, T_PRS_TPL_BASE, | |
8010 | (len + 3) & ~3, prb_resp); | |
8011 | ||
8012 | /* write the length of the probe response frame (+PLCP/-FCS) */ | |
7d4df48e | 8013 | wlc_write_shm(wlc, M_PRB_RESP_FRM_LEN, (u16) len); |
a9533e7e HP |
8014 | |
8015 | /* write the SSID and SSID length */ | |
8016 | wlc_shm_ssid_upd(wlc, cfg); | |
8017 | ||
8018 | /* | |
8019 | * Write PLCP headers and durations for probe response frames at all rates. | |
8020 | * Use the actual frame length covered by the PLCP header for the call to | |
8021 | * wlc_mod_prb_rsp_rate_table() by subtracting the PLCP len and adding the FCS. | |
8022 | */ | |
8023 | len += (-D11_PHY_HDR_LEN + DOT11_FCS_LEN); | |
7d4df48e | 8024 | wlc_mod_prb_rsp_rate_table(wlc, (u16) len); |
a9533e7e HP |
8025 | |
8026 | if (suspend) | |
8027 | wlc_enable_mac(wlc); | |
8028 | } else { /* Generating probe resp in sw; update local template */ | |
8029 | ASSERT(0 && "No software probe response support without MBSS"); | |
8030 | } | |
8031 | } | |
8032 | ||
8033 | /* prepares pdu for transmission. returns BCM error codes */ | |
7cc4a4c0 | 8034 | int wlc_prep_pdu(wlc_info_t *wlc, void *pdu, uint *fifop) |
a9533e7e HP |
8035 | { |
8036 | osl_t *osh; | |
8037 | uint fifo; | |
8038 | d11txh_t *txh; | |
8039 | struct dot11_header *h; | |
8040 | struct scb *scb; | |
7d4df48e | 8041 | u16 fc; |
a9533e7e HP |
8042 | |
8043 | osh = wlc->osh; | |
8044 | ||
8045 | ASSERT(pdu); | |
8046 | txh = (d11txh_t *) PKTDATA(pdu); | |
8047 | ASSERT(txh); | |
41feb5ed | 8048 | h = (struct dot11_header *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN); |
a9533e7e HP |
8049 | ASSERT(h); |
8050 | fc = ltoh16(h->fc); | |
8051 | ||
8052 | /* get the pkt queue info. This was put at wlc_sendctl or wlc_send for PDU */ | |
8053 | fifo = ltoh16(txh->TxFrameID) & TXFID_QUEUE_MASK; | |
8054 | ||
8055 | scb = NULL; | |
8056 | ||
8057 | *fifop = fifo; | |
8058 | ||
8059 | /* return if insufficient dma resources */ | |
8060 | if (TXAVAIL(wlc, fifo) < MAX_DMA_SEGS) { | |
8061 | /* Mark precedences related to this FIFO, unsendable */ | |
8062 | WLC_TX_FIFO_CLEAR(wlc, fifo); | |
8063 | return BCME_BUSY; | |
8064 | } | |
8065 | ||
8066 | if (FC_TYPE(ltoh16(txh->MacFrameControl)) != FC_TYPE_DATA) | |
8067 | WLCNTINCR(wlc->pub->_cnt->txctl); | |
8068 | ||
8069 | return 0; | |
8070 | } | |
8071 | ||
8072 | /* init tx reported rate mechanism */ | |
7cc4a4c0 | 8073 | void wlc_reprate_init(wlc_info_t *wlc) |
a9533e7e HP |
8074 | { |
8075 | int i; | |
8076 | wlc_bsscfg_t *bsscfg; | |
8077 | ||
8078 | FOREACH_BSS(wlc, i, bsscfg) { | |
8079 | wlc_bsscfg_reprate_init(bsscfg); | |
8080 | } | |
8081 | } | |
8082 | ||
8083 | /* per bsscfg init tx reported rate mechanism */ | |
7cc4a4c0 | 8084 | void wlc_bsscfg_reprate_init(wlc_bsscfg_t *bsscfg) |
a9533e7e HP |
8085 | { |
8086 | bsscfg->txrspecidx = 0; | |
8087 | bzero((char *)bsscfg->txrspec, sizeof(bsscfg->txrspec)); | |
8088 | } | |
8089 | ||
8090 | /* Retrieve a consolidated set of revision information, | |
8091 | * typically for the WLC_GET_REVINFO ioctl | |
8092 | */ | |
7cc4a4c0 | 8093 | int wlc_get_revision_info(wlc_info_t *wlc, void *buf, uint len) |
a9533e7e HP |
8094 | { |
8095 | wlc_rev_info_t *rinfo = (wlc_rev_info_t *) buf; | |
8096 | ||
8097 | if (len < WL_REV_INFO_LEGACY_LENGTH) | |
8098 | return BCME_BUFTOOSHORT; | |
8099 | ||
8100 | rinfo->vendorid = wlc->vendorid; | |
8101 | rinfo->deviceid = wlc->deviceid; | |
8102 | rinfo->radiorev = (wlc->band->radiorev << IDCODE_REV_SHIFT) | | |
8103 | (wlc->band->radioid << IDCODE_ID_SHIFT); | |
8104 | rinfo->chiprev = wlc->pub->sih->chiprev; | |
8105 | rinfo->corerev = wlc->pub->corerev; | |
8106 | rinfo->boardid = wlc->pub->sih->boardtype; | |
8107 | rinfo->boardvendor = wlc->pub->sih->boardvendor; | |
8108 | rinfo->boardrev = wlc->pub->boardrev; | |
8109 | rinfo->ucoderev = wlc->ucode_rev; | |
8110 | rinfo->driverrev = EPI_VERSION_NUM; | |
8111 | rinfo->bus = wlc->pub->sih->bustype; | |
8112 | rinfo->chipnum = wlc->pub->sih->chip; | |
8113 | ||
ce0f1b8c | 8114 | if (len >= (offsetof(wlc_rev_info_t, chippkg))) { |
a9533e7e HP |
8115 | rinfo->phytype = wlc->band->phytype; |
8116 | rinfo->phyrev = wlc->band->phyrev; | |
8117 | rinfo->anarev = 0; /* obsolete stuff, suppress */ | |
8118 | } | |
8119 | ||
8120 | if (len >= sizeof(*rinfo)) { | |
8121 | rinfo->chippkg = wlc->pub->sih->chippkg; | |
8122 | } | |
8123 | ||
8124 | return BCME_OK; | |
8125 | } | |
8126 | ||
7cc4a4c0 | 8127 | void wlc_default_rateset(wlc_info_t *wlc, wlc_rateset_t *rs) |
a9533e7e HP |
8128 | { |
8129 | wlc_rateset_default(rs, NULL, wlc->band->phytype, wlc->band->bandtype, | |
0965ae88 | 8130 | false, RATE_MASK_FULL, (bool) N_ENAB(wlc->pub), |
a9533e7e HP |
8131 | CHSPEC_WLC_BW(wlc->default_bss->chanspec), |
8132 | wlc->stf->txstreams); | |
8133 | } | |
8134 | ||
0d2f0724 | 8135 | static void wlc_bss_default_init(wlc_info_t *wlc) |
a2627bc0 | 8136 | { |
a9533e7e HP |
8137 | chanspec_t chanspec; |
8138 | wlcband_t *band; | |
8139 | wlc_bss_info_t *bi = wlc->default_bss; | |
8140 | ||
8141 | /* init default and target BSS with some sane initial values */ | |
8142 | bzero((char *)(bi), sizeof(wlc_bss_info_t)); | |
8143 | bi->beacon_period = ISSIM_ENAB(wlc->pub->sih) ? BEACON_INTERVAL_DEF_QT : | |
8144 | BEACON_INTERVAL_DEFAULT; | |
8145 | bi->dtim_period = ISSIM_ENAB(wlc->pub->sih) ? DTIM_INTERVAL_DEF_QT : | |
8146 | DTIM_INTERVAL_DEFAULT; | |
8147 | ||
8148 | /* fill the default channel as the first valid channel | |
8149 | * starting from the 2G channels | |
8150 | */ | |
8151 | chanspec = CH20MHZ_CHSPEC(1); | |
8152 | ASSERT(chanspec != INVCHANSPEC); | |
8153 | ||
8154 | wlc->home_chanspec = bi->chanspec = chanspec; | |
8155 | ||
8156 | /* find the band of our default channel */ | |
8157 | band = wlc->band; | |
8158 | if (NBANDS(wlc) > 1 && band->bandunit != CHSPEC_WLCBANDUNIT(chanspec)) | |
8159 | band = wlc->bandstate[OTHERBANDUNIT(wlc)]; | |
8160 | ||
8161 | /* init bss rates to the band specific default rate set */ | |
8162 | wlc_rateset_default(&bi->rateset, NULL, band->phytype, band->bandtype, | |
0965ae88 | 8163 | false, RATE_MASK_FULL, (bool) N_ENAB(wlc->pub), |
a9533e7e HP |
8164 | CHSPEC_WLC_BW(chanspec), wlc->stf->txstreams); |
8165 | ||
8166 | if (N_ENAB(wlc->pub)) | |
8167 | bi->flags |= WLC_BSS_HT; | |
8168 | } | |
8169 | ||
8170 | /* Deferred event processing */ | |
8171 | static void wlc_process_eventq(void *arg) | |
8172 | { | |
8173 | wlc_info_t *wlc = (wlc_info_t *) arg; | |
8174 | wlc_event_t *etmp; | |
8175 | ||
8176 | while ((etmp = wlc_eventq_deq(wlc->eventq))) { | |
8177 | /* Perform OS specific event processing */ | |
8178 | wl_event(wlc->wl, etmp->event.ifname, etmp); | |
8179 | if (etmp->data) { | |
182acb3c | 8180 | kfree(etmp->data); |
a9533e7e HP |
8181 | etmp->data = NULL; |
8182 | } | |
8183 | wlc_event_free(wlc->eventq, etmp); | |
8184 | } | |
8185 | } | |
8186 | ||
8187 | void | |
66cbd3ab | 8188 | wlc_uint64_sub(u32 *a_high, u32 *a_low, u32 b_high, u32 b_low) |
a9533e7e HP |
8189 | { |
8190 | if (b_low > *a_low) { | |
8191 | /* low half needs a carry */ | |
8192 | b_high += 1; | |
8193 | } | |
8194 | *a_low -= b_low; | |
8195 | *a_high -= b_high; | |
8196 | } | |
8197 | ||
8198 | static ratespec_t | |
66cbd3ab | 8199 | mac80211_wlc_set_nrate(wlc_info_t *wlc, wlcband_t *cur_band, u32 int_val) |
a9533e7e | 8200 | { |
41feb5ed GKH |
8201 | u8 stf = (int_val & NRATE_STF_MASK) >> NRATE_STF_SHIFT; |
8202 | u8 rate = int_val & NRATE_RATE_MASK; | |
a9533e7e HP |
8203 | ratespec_t rspec; |
8204 | bool ismcs = ((int_val & NRATE_MCS_INUSE) == NRATE_MCS_INUSE); | |
8205 | bool issgi = ((int_val & NRATE_SGI_MASK) >> NRATE_SGI_SHIFT); | |
8206 | bool override_mcs_only = ((int_val & NRATE_OVERRIDE_MCS_ONLY) | |
8207 | == NRATE_OVERRIDE_MCS_ONLY); | |
8208 | int bcmerror = 0; | |
8209 | ||
8210 | if (!ismcs) { | |
8211 | return (ratespec_t) rate; | |
8212 | } | |
8213 | ||
8214 | /* validate the combination of rate/mcs/stf is allowed */ | |
8215 | if (N_ENAB(wlc->pub) && ismcs) { | |
8216 | /* mcs only allowed when nmode */ | |
8217 | if (stf > PHY_TXC1_MODE_SDM) { | |
8218 | WL_ERROR(("wl%d: %s: Invalid stf\n", WLCWLUNIT(wlc), | |
8219 | __func__)); | |
8220 | bcmerror = BCME_RANGE; | |
8221 | goto done; | |
8222 | } | |
8223 | ||
8224 | /* mcs 32 is a special case, DUP mode 40 only */ | |
8225 | if (rate == 32) { | |
8226 | if (!CHSPEC_IS40(wlc->home_chanspec) || | |
8227 | ((stf != PHY_TXC1_MODE_SISO) | |
8228 | && (stf != PHY_TXC1_MODE_CDD))) { | |
8229 | WL_ERROR(("wl%d: %s: Invalid mcs 32\n", | |
8230 | WLCWLUNIT(wlc), __func__)); | |
8231 | bcmerror = BCME_RANGE; | |
8232 | goto done; | |
8233 | } | |
8234 | /* mcs > 7 must use stf SDM */ | |
8235 | } else if (rate > HIGHEST_SINGLE_STREAM_MCS) { | |
8236 | /* mcs > 7 must use stf SDM */ | |
8237 | if (stf != PHY_TXC1_MODE_SDM) { | |
8238 | WL_TRACE(("wl%d: %s: enabling SDM mode for mcs %d\n", WLCWLUNIT(wlc), __func__, rate)); | |
8239 | stf = PHY_TXC1_MODE_SDM; | |
8240 | } | |
8241 | } else { | |
8242 | /* MCS 0-7 may use SISO, CDD, and for phy_rev >= 3 STBC */ | |
8243 | if ((stf > PHY_TXC1_MODE_STBC) || | |
8244 | (!WLC_STBC_CAP_PHY(wlc) | |
8245 | && (stf == PHY_TXC1_MODE_STBC))) { | |
8246 | WL_ERROR(("wl%d: %s: Invalid STBC\n", | |
8247 | WLCWLUNIT(wlc), __func__)); | |
8248 | bcmerror = BCME_RANGE; | |
8249 | goto done; | |
8250 | } | |
8251 | } | |
8252 | } else if (IS_OFDM(rate)) { | |
8253 | if ((stf != PHY_TXC1_MODE_CDD) && (stf != PHY_TXC1_MODE_SISO)) { | |
8254 | WL_ERROR(("wl%d: %s: Invalid OFDM\n", WLCWLUNIT(wlc), | |
8255 | __func__)); | |
8256 | bcmerror = BCME_RANGE; | |
8257 | goto done; | |
8258 | } | |
8259 | } else if (IS_CCK(rate)) { | |
8260 | if ((cur_band->bandtype != WLC_BAND_2G) | |
8261 | || (stf != PHY_TXC1_MODE_SISO)) { | |
8262 | WL_ERROR(("wl%d: %s: Invalid CCK\n", WLCWLUNIT(wlc), | |
8263 | __func__)); | |
8264 | bcmerror = BCME_RANGE; | |
8265 | goto done; | |
8266 | } | |
8267 | } else { | |
8268 | WL_ERROR(("wl%d: %s: Unknown rate type\n", WLCWLUNIT(wlc), | |
8269 | __func__)); | |
8270 | bcmerror = BCME_RANGE; | |
8271 | goto done; | |
8272 | } | |
8273 | /* make sure multiple antennae are available for non-siso rates */ | |
8274 | if ((stf != PHY_TXC1_MODE_SISO) && (wlc->stf->txstreams == 1)) { | |
8275 | WL_ERROR(("wl%d: %s: SISO antenna but !SISO request\n", | |
8276 | WLCWLUNIT(wlc), __func__)); | |
8277 | bcmerror = BCME_RANGE; | |
8278 | goto done; | |
8279 | } | |
8280 | ||
8281 | rspec = rate; | |
8282 | if (ismcs) { | |
8283 | rspec |= RSPEC_MIMORATE; | |
8284 | /* For STBC populate the STC field of the ratespec */ | |
8285 | if (stf == PHY_TXC1_MODE_STBC) { | |
41feb5ed | 8286 | u8 stc; |
a9533e7e HP |
8287 | stc = 1; /* Nss for single stream is always 1 */ |
8288 | rspec |= (stc << RSPEC_STC_SHIFT); | |
8289 | } | |
8290 | } | |
8291 | ||
8292 | rspec |= (stf << RSPEC_STF_SHIFT); | |
8293 | ||
8294 | if (override_mcs_only) | |
8295 | rspec |= RSPEC_OVERRIDE_MCS_ONLY; | |
8296 | ||
8297 | if (issgi) | |
8298 | rspec |= RSPEC_SHORT_GI; | |
8299 | ||
8300 | if ((rate != 0) | |
0f0881b0 | 8301 | && !wlc_valid_rate(wlc, rspec, cur_band->bandtype, true)) { |
a9533e7e HP |
8302 | return rate; |
8303 | } | |
8304 | ||
8305 | return rspec; | |
8306 | done: | |
8307 | WL_ERROR(("Hoark\n")); | |
8308 | return rate; | |
8309 | } | |
8310 | ||
8311 | /* formula: IDLE_BUSY_RATIO_X_16 = (100-duty_cycle)/duty_cycle*16 */ | |
8312 | static int | |
7cc4a4c0 | 8313 | wlc_duty_cycle_set(wlc_info_t *wlc, int duty_cycle, bool isOFDM, |
a9533e7e HP |
8314 | bool writeToShm) |
8315 | { | |
8316 | int idle_busy_ratio_x_16 = 0; | |
8317 | uint offset = | |
8318 | isOFDM ? M_TX_IDLE_BUSY_RATIO_X_16_OFDM : | |
8319 | M_TX_IDLE_BUSY_RATIO_X_16_CCK; | |
8320 | if (duty_cycle > 100 || duty_cycle < 0) { | |
8321 | WL_ERROR(("wl%d: duty cycle value off limit\n", | |
8322 | wlc->pub->unit)); | |
8323 | return BCME_RANGE; | |
8324 | } | |
8325 | if (duty_cycle) | |
8326 | idle_busy_ratio_x_16 = (100 - duty_cycle) * 16 / duty_cycle; | |
8327 | /* Only write to shared memory when wl is up */ | |
8328 | if (writeToShm) | |
7d4df48e | 8329 | wlc_write_shm(wlc, offset, (u16) idle_busy_ratio_x_16); |
a9533e7e HP |
8330 | |
8331 | if (isOFDM) | |
7d4df48e | 8332 | wlc->tx_duty_cycle_ofdm = (u16) duty_cycle; |
a9533e7e | 8333 | else |
7d4df48e | 8334 | wlc->tx_duty_cycle_cck = (u16) duty_cycle; |
a9533e7e HP |
8335 | |
8336 | return BCME_OK; | |
8337 | } | |
8338 | ||
7d4df48e | 8339 | /* Read a single u16 from shared memory. |
a9533e7e HP |
8340 | * SHM 'offset' needs to be an even address |
8341 | */ | |
7d4df48e | 8342 | u16 wlc_read_shm(wlc_info_t *wlc, uint offset) |
a9533e7e HP |
8343 | { |
8344 | return wlc_bmac_read_shm(wlc->hw, offset); | |
8345 | } | |
8346 | ||
7d4df48e | 8347 | /* Write a single u16 to shared memory. |
a9533e7e HP |
8348 | * SHM 'offset' needs to be an even address |
8349 | */ | |
7d4df48e | 8350 | void wlc_write_shm(wlc_info_t *wlc, uint offset, u16 v) |
a9533e7e HP |
8351 | { |
8352 | wlc_bmac_write_shm(wlc->hw, offset, v); | |
8353 | } | |
8354 | ||
8355 | /* Set a range of shared memory to a value. | |
8356 | * SHM 'offset' needs to be an even address and | |
8357 | * Range length 'len' must be an even number of bytes | |
8358 | */ | |
7d4df48e | 8359 | void wlc_set_shm(wlc_info_t *wlc, uint offset, u16 v, int len) |
a9533e7e HP |
8360 | { |
8361 | /* offset and len need to be even */ | |
8362 | ASSERT((offset & 1) == 0); | |
8363 | ASSERT((len & 1) == 0); | |
8364 | ||
8365 | if (len <= 0) | |
8366 | return; | |
8367 | ||
8368 | wlc_bmac_set_shm(wlc->hw, offset, v, len); | |
8369 | } | |
8370 | ||
8371 | /* Copy a buffer to shared memory. | |
8372 | * SHM 'offset' needs to be an even address and | |
8373 | * Buffer length 'len' must be an even number of bytes | |
8374 | */ | |
7cc4a4c0 | 8375 | void wlc_copyto_shm(wlc_info_t *wlc, uint offset, const void *buf, int len) |
a9533e7e HP |
8376 | { |
8377 | /* offset and len need to be even */ | |
8378 | ASSERT((offset & 1) == 0); | |
8379 | ASSERT((len & 1) == 0); | |
8380 | ||
8381 | if (len <= 0) | |
8382 | return; | |
8383 | wlc_bmac_copyto_objmem(wlc->hw, offset, buf, len, OBJADDR_SHM_SEL); | |
8384 | ||
8385 | } | |
8386 | ||
8387 | /* Copy from shared memory to a buffer. | |
8388 | * SHM 'offset' needs to be an even address and | |
8389 | * Buffer length 'len' must be an even number of bytes | |
8390 | */ | |
7cc4a4c0 | 8391 | void wlc_copyfrom_shm(wlc_info_t *wlc, uint offset, void *buf, int len) |
a9533e7e HP |
8392 | { |
8393 | /* offset and len need to be even */ | |
8394 | ASSERT((offset & 1) == 0); | |
8395 | ASSERT((len & 1) == 0); | |
8396 | ||
8397 | if (len <= 0) | |
8398 | return; | |
8399 | ||
8400 | wlc_bmac_copyfrom_objmem(wlc->hw, offset, buf, len, OBJADDR_SHM_SEL); | |
8401 | } | |
8402 | ||
8403 | /* wrapper BMAC functions to for HIGH driver access */ | |
66cbd3ab | 8404 | void wlc_mctrl(wlc_info_t *wlc, u32 mask, u32 val) |
a9533e7e HP |
8405 | { |
8406 | wlc_bmac_mctrl(wlc->hw, mask, val); | |
8407 | } | |
8408 | ||
66cbd3ab | 8409 | void wlc_corereset(wlc_info_t *wlc, u32 flags) |
a9533e7e HP |
8410 | { |
8411 | wlc_bmac_corereset(wlc->hw, flags); | |
8412 | } | |
8413 | ||
7d4df48e | 8414 | void wlc_mhf(wlc_info_t *wlc, u8 idx, u16 mask, u16 val, int bands) |
a9533e7e HP |
8415 | { |
8416 | wlc_bmac_mhf(wlc->hw, idx, mask, val, bands); | |
8417 | } | |
8418 | ||
7d4df48e | 8419 | u16 wlc_mhf_get(wlc_info_t *wlc, u8 idx, int bands) |
a9533e7e HP |
8420 | { |
8421 | return wlc_bmac_mhf_get(wlc->hw, idx, bands); | |
8422 | } | |
8423 | ||
7cc4a4c0 | 8424 | int wlc_xmtfifo_sz_get(wlc_info_t *wlc, uint fifo, uint *blocks) |
a9533e7e HP |
8425 | { |
8426 | return wlc_bmac_xmtfifo_sz_get(wlc->hw, fifo, blocks); | |
8427 | } | |
8428 | ||
7cc4a4c0 | 8429 | void wlc_write_template_ram(wlc_info_t *wlc, int offset, int len, void *buf) |
a9533e7e HP |
8430 | { |
8431 | wlc_bmac_write_template_ram(wlc->hw, offset, len, buf); | |
8432 | } | |
8433 | ||
7cc4a4c0 | 8434 | void wlc_write_hw_bcntemplates(wlc_info_t *wlc, void *bcn, int len, bool both) |
a9533e7e HP |
8435 | { |
8436 | wlc_bmac_write_hw_bcntemplates(wlc->hw, bcn, len, both); | |
8437 | } | |
8438 | ||
8439 | void | |
7cc4a4c0 | 8440 | wlc_set_addrmatch(wlc_info_t *wlc, int match_reg_offset, |
a9533e7e HP |
8441 | const struct ether_addr *addr) |
8442 | { | |
8443 | wlc_bmac_set_addrmatch(wlc->hw, match_reg_offset, addr); | |
8444 | } | |
8445 | ||
7cc4a4c0 | 8446 | void wlc_set_rcmta(wlc_info_t *wlc, int idx, const struct ether_addr *addr) |
a9533e7e HP |
8447 | { |
8448 | wlc_bmac_set_rcmta(wlc->hw, idx, addr); | |
8449 | } | |
8450 | ||
66cbd3ab | 8451 | void wlc_read_tsf(wlc_info_t *wlc, u32 *tsf_l_ptr, u32 *tsf_h_ptr) |
a9533e7e HP |
8452 | { |
8453 | wlc_bmac_read_tsf(wlc->hw, tsf_l_ptr, tsf_h_ptr); | |
8454 | } | |
8455 | ||
7d4df48e | 8456 | void wlc_set_cwmin(wlc_info_t *wlc, u16 newmin) |
a9533e7e HP |
8457 | { |
8458 | wlc->band->CWmin = newmin; | |
8459 | wlc_bmac_set_cwmin(wlc->hw, newmin); | |
8460 | } | |
8461 | ||
7d4df48e | 8462 | void wlc_set_cwmax(wlc_info_t *wlc, u16 newmax) |
a9533e7e HP |
8463 | { |
8464 | wlc->band->CWmax = newmax; | |
8465 | wlc_bmac_set_cwmax(wlc->hw, newmax); | |
8466 | } | |
8467 | ||
7cc4a4c0 | 8468 | void wlc_fifoerrors(wlc_info_t *wlc) |
a9533e7e HP |
8469 | { |
8470 | ||
8471 | wlc_bmac_fifoerrors(wlc->hw); | |
8472 | } | |
8473 | ||
8474 | /* Search mem rw utilities */ | |
8475 | ||
7cc4a4c0 | 8476 | void wlc_pllreq(wlc_info_t *wlc, bool set, mbool req_bit) |
a9533e7e HP |
8477 | { |
8478 | wlc_bmac_pllreq(wlc->hw, set, req_bit); | |
8479 | } | |
8480 | ||
7cc4a4c0 | 8481 | void wlc_reset_bmac_done(wlc_info_t *wlc) |
a9533e7e HP |
8482 | { |
8483 | #ifdef WLC_HIGH_ONLY | |
0965ae88 | 8484 | wlc->reset_bmac_pending = false; |
a9533e7e HP |
8485 | #endif |
8486 | } | |
8487 | ||
41feb5ed | 8488 | void wlc_ht_mimops_cap_update(wlc_info_t *wlc, u8 mimops_mode) |
a9533e7e HP |
8489 | { |
8490 | wlc->ht_cap.cap &= ~HT_CAP_MIMO_PS_MASK; | |
8491 | wlc->ht_cap.cap |= (mimops_mode << HT_CAP_MIMO_PS_SHIFT); | |
8492 | ||
8493 | if (AP_ENAB(wlc->pub) && wlc->clk) { | |
8494 | wlc_update_beacon(wlc); | |
0f0881b0 | 8495 | wlc_update_probe_resp(wlc, true); |
a9533e7e HP |
8496 | } |
8497 | } | |
8498 | ||
8499 | /* check for the particular priority flow control bit being set */ | |
8500 | bool | |
7cc4a4c0 | 8501 | wlc_txflowcontrol_prio_isset(wlc_info_t *wlc, wlc_txq_info_t *q, int prio) |
a9533e7e HP |
8502 | { |
8503 | uint prio_mask; | |
8504 | ||
8505 | if (prio == ALLPRIO) { | |
8506 | prio_mask = TXQ_STOP_FOR_PRIOFC_MASK; | |
8507 | } else { | |
8508 | ASSERT(prio >= 0 && prio <= MAXPRIO); | |
8509 | prio_mask = NBITVAL(prio); | |
8510 | } | |
8511 | ||
8512 | return (q->stopped & prio_mask) == prio_mask; | |
8513 | } | |
8514 | ||
8515 | /* propogate the flow control to all interfaces using the given tx queue */ | |
7cc4a4c0 | 8516 | void wlc_txflowcontrol(wlc_info_t *wlc, wlc_txq_info_t *qi, bool on, int prio) |
a9533e7e HP |
8517 | { |
8518 | uint prio_bits; | |
8519 | uint cur_bits; | |
8520 | ||
8521 | WL_ERROR(("%s: flow contro kicks in\n", __func__)); | |
8522 | ||
8523 | if (prio == ALLPRIO) { | |
8524 | prio_bits = TXQ_STOP_FOR_PRIOFC_MASK; | |
8525 | } else { | |
8526 | ASSERT(prio >= 0 && prio <= MAXPRIO); | |
8527 | prio_bits = NBITVAL(prio); | |
8528 | } | |
8529 | ||
8530 | cur_bits = qi->stopped & prio_bits; | |
8531 | ||
8532 | /* Check for the case of no change and return early | |
8533 | * Otherwise update the bit and continue | |
8534 | */ | |
8535 | if (on) { | |
8536 | if (cur_bits == prio_bits) { | |
8537 | return; | |
8538 | } | |
8539 | mboolset(qi->stopped, prio_bits); | |
8540 | } else { | |
8541 | if (cur_bits == 0) { | |
8542 | return; | |
8543 | } | |
8544 | mboolclr(qi->stopped, prio_bits); | |
8545 | } | |
8546 | ||
8547 | /* If there is a flow control override we will not change the external | |
8548 | * flow control state. | |
8549 | */ | |
8550 | if (qi->stopped & ~TXQ_STOP_FOR_PRIOFC_MASK) { | |
8551 | return; | |
8552 | } | |
8553 | ||
8554 | wlc_txflowcontrol_signal(wlc, qi, on, prio); | |
8555 | } | |
8556 | ||
8557 | void | |
7cc4a4c0 | 8558 | wlc_txflowcontrol_override(wlc_info_t *wlc, wlc_txq_info_t *qi, bool on, |
a9533e7e HP |
8559 | uint override) |
8560 | { | |
8561 | uint prev_override; | |
8562 | ||
8563 | ASSERT(override != 0); | |
8564 | ASSERT((override & TXQ_STOP_FOR_PRIOFC_MASK) == 0); | |
8565 | ||
8566 | prev_override = (qi->stopped & ~TXQ_STOP_FOR_PRIOFC_MASK); | |
8567 | ||
8568 | /* Update the flow control bits and do an early return if there is | |
8569 | * no change in the external flow control state. | |
8570 | */ | |
8571 | if (on) { | |
8572 | mboolset(qi->stopped, override); | |
8573 | /* if there was a previous override bit on, then setting this | |
8574 | * makes no difference. | |
8575 | */ | |
8576 | if (prev_override) { | |
8577 | return; | |
8578 | } | |
8579 | ||
8580 | wlc_txflowcontrol_signal(wlc, qi, ON, ALLPRIO); | |
8581 | } else { | |
8582 | mboolclr(qi->stopped, override); | |
8583 | /* clearing an override bit will only make a difference for | |
8584 | * flow control if it was the only bit set. For any other | |
8585 | * override setting, just return | |
8586 | */ | |
8587 | if (prev_override != override) { | |
8588 | return; | |
8589 | } | |
8590 | ||
8591 | if (qi->stopped == 0) { | |
8592 | wlc_txflowcontrol_signal(wlc, qi, OFF, ALLPRIO); | |
8593 | } else { | |
8594 | int prio; | |
8595 | ||
8596 | for (prio = MAXPRIO; prio >= 0; prio--) { | |
8597 | if (!mboolisset(qi->stopped, NBITVAL(prio))) | |
8598 | wlc_txflowcontrol_signal(wlc, qi, OFF, | |
8599 | prio); | |
8600 | } | |
8601 | } | |
8602 | } | |
8603 | } | |
8604 | ||
7cc4a4c0 | 8605 | static void wlc_txflowcontrol_reset(wlc_info_t *wlc) |
a9533e7e HP |
8606 | { |
8607 | wlc_txq_info_t *qi; | |
8608 | ||
8609 | for (qi = wlc->tx_queues; qi != NULL; qi = qi->next) { | |
8610 | if (qi->stopped) { | |
8611 | wlc_txflowcontrol_signal(wlc, qi, OFF, ALLPRIO); | |
8612 | qi->stopped = 0; | |
8613 | } | |
8614 | } | |
8615 | } | |
8616 | ||
8617 | static void | |
7cc4a4c0 | 8618 | wlc_txflowcontrol_signal(wlc_info_t *wlc, wlc_txq_info_t *qi, bool on, |
a9533e7e HP |
8619 | int prio) |
8620 | { | |
8621 | wlc_if_t *wlcif; | |
8622 | ||
8623 | for (wlcif = wlc->wlcif_list; wlcif != NULL; wlcif = wlcif->next) { | |
8624 | if (wlcif->qi == qi && wlcif->flags & WLC_IF_LINKED) | |
8625 | wl_txflowcontrol(wlc->wl, wlcif->wlif, on, prio); | |
8626 | } | |
8627 | } | |
8628 | ||
7cc4a4c0 | 8629 | static wlc_txq_info_t *wlc_txq_alloc(wlc_info_t *wlc, osl_t *osh) |
a9533e7e HP |
8630 | { |
8631 | wlc_txq_info_t *qi, *p; | |
8632 | ||
8633 | qi = (wlc_txq_info_t *) wlc_calloc(osh, wlc->pub->unit, | |
8634 | sizeof(wlc_txq_info_t)); | |
8635 | if (qi == NULL) { | |
8636 | return NULL; | |
8637 | } | |
8638 | ||
8639 | /* Have enough room for control packets along with HI watermark */ | |
8640 | /* Also, add room to txq for total psq packets if all the SCBs leave PS mode */ | |
8641 | /* The watermark for flowcontrol to OS packets will remain the same */ | |
8642 | pktq_init(&qi->q, WLC_PREC_COUNT, | |
8643 | (2 * wlc->pub->tunables->datahiwat) + PKTQ_LEN_DEFAULT + | |
8644 | wlc->pub->psq_pkts_total); | |
8645 | ||
8646 | /* add this queue to the the global list */ | |
8647 | p = wlc->tx_queues; | |
8648 | if (p == NULL) { | |
8649 | wlc->tx_queues = qi; | |
8650 | } else { | |
8651 | while (p->next != NULL) | |
8652 | p = p->next; | |
8653 | p->next = qi; | |
8654 | } | |
8655 | ||
8656 | return qi; | |
8657 | } | |
8658 | ||
7cc4a4c0 | 8659 | static void wlc_txq_free(wlc_info_t *wlc, osl_t *osh, wlc_txq_info_t *qi) |
a9533e7e HP |
8660 | { |
8661 | wlc_txq_info_t *p; | |
8662 | ||
8663 | if (qi == NULL) | |
8664 | return; | |
8665 | ||
8666 | /* remove the queue from the linked list */ | |
8667 | p = wlc->tx_queues; | |
8668 | if (p == qi) | |
8669 | wlc->tx_queues = p->next; | |
8670 | else { | |
8671 | while (p != NULL && p->next != qi) | |
8672 | p = p->next; | |
8673 | ASSERT(p->next == qi); | |
8674 | if (p != NULL) | |
8675 | p->next = p->next->next; | |
8676 | } | |
8677 | ||
182acb3c | 8678 | kfree(qi); |
a9533e7e | 8679 | } |