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i2c: gpio: fault-injector: refactor incomplete transfer
[linux/fpc-iii.git] / drivers / net / wireless / rsi / rsi_91x_mgmt.c
blobd0e5937cad6d0b8e23f035ffe47e82ebda7a0d7b
1 /**
2 * Copyright (c) 2014 Redpine Signals Inc.
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
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/etherdevice.h>
18 #include "rsi_mgmt.h"
19 #include "rsi_common.h"
20 #include "rsi_ps.h"
21 #include "rsi_hal.h"
22
23 static struct bootup_params boot_params_20 = {
24 .magic_number = cpu_to_le16(0x5aa5),
25 .crystal_good_time = 0x0,
26 .valid = cpu_to_le32(VALID_20),
27 .reserved_for_valids = 0x0,
28 .bootup_mode_info = 0x0,
29 .digital_loop_back_params = 0x0,
30 .rtls_timestamp_en = 0x0,
31 .host_spi_intr_cfg = 0x0,
32 .device_clk_info = {{
33 .pll_config_g = {
34 .tapll_info_g = {
35 .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
36 (TA_PLL_M_VAL_20)),
37 .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
38 },
39 .pll960_info_g = {
40 .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
41 (PLL960_N_VAL_20)),
42 .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20),
43 .pll_reg_3 = 0x0,
44 },
45 .afepll_info_g = {
46 .pll_reg = cpu_to_le16(0x9f0),
47 }
48 },
49 .switch_clk_g = {
50 .switch_clk_info = cpu_to_le16(0xb),
51 .bbp_lmac_clk_reg_val = cpu_to_le16(0x111),
52 .umac_clock_reg_config = cpu_to_le16(0x48),
53 .qspi_uart_clock_reg_config = cpu_to_le16(0x1211)
54 }
55 },
56 {
57 .pll_config_g = {
58 .tapll_info_g = {
59 .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
60 (TA_PLL_M_VAL_20)),
61 .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
62 },
63 .pll960_info_g = {
64 .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
65 (PLL960_N_VAL_20)),
66 .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20),
67 .pll_reg_3 = 0x0,
68 },
69 .afepll_info_g = {
70 .pll_reg = cpu_to_le16(0x9f0),
71 }
72 },
73 .switch_clk_g = {
74 .switch_clk_info = 0x0,
75 .bbp_lmac_clk_reg_val = 0x0,
76 .umac_clock_reg_config = 0x0,
77 .qspi_uart_clock_reg_config = 0x0
78 }
79 },
80 {
81 .pll_config_g = {
82 .tapll_info_g = {
83 .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
84 (TA_PLL_M_VAL_20)),
85 .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
86 },
87 .pll960_info_g = {
88 .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
89 (PLL960_N_VAL_20)),
90 .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_20),
91 .pll_reg_3 = 0x0,
92 },
93 .afepll_info_g = {
94 .pll_reg = cpu_to_le16(0x9f0),
95 }
96 },
97 .switch_clk_g = {
98 .switch_clk_info = 0x0,
99 .bbp_lmac_clk_reg_val = 0x0,
100 .umac_clock_reg_config = 0x0,
101 .qspi_uart_clock_reg_config = 0x0
102 }
103 } },
104 .buckboost_wakeup_cnt = 0x0,
105 .pmu_wakeup_wait = 0x0,
106 .shutdown_wait_time = 0x0,
107 .pmu_slp_clkout_sel = 0x0,
108 .wdt_prog_value = 0x0,
109 .wdt_soc_rst_delay = 0x0,
110 .dcdc_operation_mode = 0x0,
111 .soc_reset_wait_cnt = 0x0,
112 .waiting_time_at_fresh_sleep = 0x0,
113 .max_threshold_to_avoid_sleep = 0x0,
114 .beacon_resedue_alg_en = 0,
115 };
116
117 static struct bootup_params boot_params_40 = {
118 .magic_number = cpu_to_le16(0x5aa5),
119 .crystal_good_time = 0x0,
120 .valid = cpu_to_le32(VALID_40),
121 .reserved_for_valids = 0x0,
122 .bootup_mode_info = 0x0,
123 .digital_loop_back_params = 0x0,
124 .rtls_timestamp_en = 0x0,
125 .host_spi_intr_cfg = 0x0,
126 .device_clk_info = {{
127 .pll_config_g = {
128 .tapll_info_g = {
129 .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)|
130 (TA_PLL_M_VAL_40)),
131 .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40),
132 },
133 .pll960_info_g = {
134 .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)|
135 (PLL960_N_VAL_40)),
136 .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40),
137 .pll_reg_3 = 0x0,
138 },
139 .afepll_info_g = {
140 .pll_reg = cpu_to_le16(0x9f0),
141 }
142 },
143 .switch_clk_g = {
144 .switch_clk_info = cpu_to_le16(0x09),
145 .bbp_lmac_clk_reg_val = cpu_to_le16(0x1121),
146 .umac_clock_reg_config = cpu_to_le16(0x48),
147 .qspi_uart_clock_reg_config = cpu_to_le16(0x1211)
148 }
149 },
150 {
151 .pll_config_g = {
152 .tapll_info_g = {
153 .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)|
154 (TA_PLL_M_VAL_40)),
155 .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40),
156 },
157 .pll960_info_g = {
158 .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)|
159 (PLL960_N_VAL_40)),
160 .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40),
161 .pll_reg_3 = 0x0,
162 },
163 .afepll_info_g = {
164 .pll_reg = cpu_to_le16(0x9f0),
165 }
166 },
167 .switch_clk_g = {
168 .switch_clk_info = 0x0,
169 .bbp_lmac_clk_reg_val = 0x0,
170 .umac_clock_reg_config = 0x0,
171 .qspi_uart_clock_reg_config = 0x0
172 }
173 },
174 {
175 .pll_config_g = {
176 .tapll_info_g = {
177 .pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_40 << 8)|
178 (TA_PLL_M_VAL_40)),
179 .pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_40),
180 },
181 .pll960_info_g = {
182 .pll_reg_1 = cpu_to_le16((PLL960_P_VAL_40 << 8)|
183 (PLL960_N_VAL_40)),
184 .pll_reg_2 = cpu_to_le16(PLL960_M_VAL_40),
185 .pll_reg_3 = 0x0,
186 },
187 .afepll_info_g = {
188 .pll_reg = cpu_to_le16(0x9f0),
189 }
190 },
191 .switch_clk_g = {
192 .switch_clk_info = 0x0,
193 .bbp_lmac_clk_reg_val = 0x0,
194 .umac_clock_reg_config = 0x0,
195 .qspi_uart_clock_reg_config = 0x0
196 }
197 } },
198 .buckboost_wakeup_cnt = 0x0,
199 .pmu_wakeup_wait = 0x0,
200 .shutdown_wait_time = 0x0,
201 .pmu_slp_clkout_sel = 0x0,
202 .wdt_prog_value = 0x0,
203 .wdt_soc_rst_delay = 0x0,
204 .dcdc_operation_mode = 0x0,
205 .soc_reset_wait_cnt = 0x0,
206 .waiting_time_at_fresh_sleep = 0x0,
207 .max_threshold_to_avoid_sleep = 0x0,
208 .beacon_resedue_alg_en = 0,
209 };
210
211 static u16 mcs[] = {13, 26, 39, 52, 78, 104, 117, 130};
212
213 /**
214 * rsi_set_default_parameters() - This function sets default parameters.
215 * @common: Pointer to the driver private structure.
216 *
217 * Return: none
218 */
219 static void rsi_set_default_parameters(struct rsi_common *common)
220 {
221 common->band = NL80211_BAND_2GHZ;
222 common->channel_width = BW_20MHZ;
223 common->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
224 common->channel = 1;
225 common->min_rate = 0xffff;
226 common->fsm_state = FSM_CARD_NOT_READY;
227 common->iface_down = true;
228 common->endpoint = EP_2GHZ_20MHZ;
229 common->driver_mode = 1; /* End to end mode */
230 common->lp_ps_handshake_mode = 0; /* Default no handShake mode*/
231 common->ulp_ps_handshake_mode = 2; /* Default PKT handShake mode*/
232 common->rf_power_val = 0; /* Default 1.9V */
233 common->wlan_rf_power_mode = 0;
234 common->obm_ant_sel_val = 2;
235 common->beacon_interval = RSI_BEACON_INTERVAL;
236 common->dtim_cnt = RSI_DTIM_COUNT;
237 }
238
239 /**
240 * rsi_set_contention_vals() - This function sets the contention values for the
241 * backoff procedure.
242 * @common: Pointer to the driver private structure.
243 *
244 * Return: None.
245 */
246 static void rsi_set_contention_vals(struct rsi_common *common)
247 {
248 u8 ii = 0;
249
250 for (; ii < NUM_EDCA_QUEUES; ii++) {
251 common->tx_qinfo[ii].wme_params =
252 (((common->edca_params[ii].cw_min / 2) +
253 (common->edca_params[ii].aifs)) *
254 WMM_SHORT_SLOT_TIME + SIFS_DURATION);
255 common->tx_qinfo[ii].weight = common->tx_qinfo[ii].wme_params;
256 common->tx_qinfo[ii].pkt_contended = 0;
257 }
258 }
259
260 /**
261 * rsi_send_internal_mgmt_frame() - This function sends management frames to
262 * firmware.Also schedules packet to queue
263 * for transmission.
264 * @common: Pointer to the driver private structure.
265 * @skb: Pointer to the socket buffer structure.
266 *
267 * Return: 0 on success, -1 on failure.
268 */
269 static int rsi_send_internal_mgmt_frame(struct rsi_common *common,
270 struct sk_buff *skb)
271 {
272 struct skb_info *tx_params;
273 struct rsi_cmd_desc *desc;
274
275 if (skb == NULL) {
276 rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__);
277 return -ENOMEM;
278 }
279 desc = (struct rsi_cmd_desc *)skb->data;
280 desc->desc_dword0.len_qno |= cpu_to_le16(DESC_IMMEDIATE_WAKEUP);
281 skb->priority = MGMT_SOFT_Q;
282 tx_params = (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data;
283 tx_params->flags |= INTERNAL_MGMT_PKT;
284 skb_queue_tail(&common->tx_queue[MGMT_SOFT_Q], skb);
285 rsi_set_event(&common->tx_thread.event);
286 return 0;
287 }
288
289 /**
290 * rsi_load_radio_caps() - This function is used to send radio capabilities
291 * values to firmware.
292 * @common: Pointer to the driver private structure.
293 *
294 * Return: 0 on success, corresponding negative error code on failure.
295 */
296 static int rsi_load_radio_caps(struct rsi_common *common)
297 {
298 struct rsi_radio_caps *radio_caps;
299 struct rsi_hw *adapter = common->priv;
300 u16 inx = 0;
301 u8 ii;
302 u8 radio_id = 0;
303 u16 gc[20] = {0xf0, 0xf0, 0xf0, 0xf0,
304 0xf0, 0xf0, 0xf0, 0xf0,
305 0xf0, 0xf0, 0xf0, 0xf0,
306 0xf0, 0xf0, 0xf0, 0xf0,
307 0xf0, 0xf0, 0xf0, 0xf0};
308 struct sk_buff *skb;
309 u16 frame_len = sizeof(struct rsi_radio_caps);
310
311 rsi_dbg(INFO_ZONE, "%s: Sending rate symbol req frame\n", __func__);
312
313 skb = dev_alloc_skb(frame_len);
314
315 if (!skb) {
316 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
317 __func__);
318 return -ENOMEM;
319 }
320
321 memset(skb->data, 0, frame_len);
322 radio_caps = (struct rsi_radio_caps *)skb->data;
323
324 radio_caps->desc_dword0.frame_type = RADIO_CAPABILITIES;
325 radio_caps->channel_num = common->channel;
326 radio_caps->rf_model = RSI_RF_TYPE;
327
328 radio_caps->radio_cfg_info = RSI_LMAC_CLOCK_80MHZ;
329 if (common->channel_width == BW_40MHZ) {
330 radio_caps->radio_cfg_info |= RSI_ENABLE_40MHZ;
331
332 if (common->fsm_state == FSM_MAC_INIT_DONE) {
333 struct ieee80211_hw *hw = adapter->hw;
334 struct ieee80211_conf *conf = &hw->conf;
335
336 if (conf_is_ht40_plus(conf)) {
337 radio_caps->radio_cfg_info =
338 RSI_CMDDESC_LOWER_20_ENABLE;
339 radio_caps->radio_info =
340 RSI_CMDDESC_LOWER_20_ENABLE;
341 } else if (conf_is_ht40_minus(conf)) {
342 radio_caps->radio_cfg_info =
343 RSI_CMDDESC_UPPER_20_ENABLE;
344 radio_caps->radio_info =
345 RSI_CMDDESC_UPPER_20_ENABLE;
346 } else {
347 radio_caps->radio_cfg_info =
348 RSI_CMDDESC_40MHZ;
349 radio_caps->radio_info =
350 RSI_CMDDESC_FULL_40_ENABLE;
351 }
352 }
353 }
354 radio_caps->radio_info |= radio_id;
355
356 radio_caps->sifs_tx_11n = cpu_to_le16(SIFS_TX_11N_VALUE);
357 radio_caps->sifs_tx_11b = cpu_to_le16(SIFS_TX_11B_VALUE);
358 radio_caps->slot_rx_11n = cpu_to_le16(SHORT_SLOT_VALUE);
359 radio_caps->ofdm_ack_tout = cpu_to_le16(OFDM_ACK_TOUT_VALUE);
360 radio_caps->cck_ack_tout = cpu_to_le16(CCK_ACK_TOUT_VALUE);
361 radio_caps->preamble_type = cpu_to_le16(LONG_PREAMBLE);
362
363 for (ii = 0; ii < MAX_HW_QUEUES; ii++) {
364 radio_caps->qos_params[ii].cont_win_min_q = cpu_to_le16(3);
365 radio_caps->qos_params[ii].cont_win_max_q = cpu_to_le16(0x3f);
366 radio_caps->qos_params[ii].aifsn_val_q = cpu_to_le16(2);
367 radio_caps->qos_params[ii].txop_q = 0;
368 }
369
370 for (ii = 0; ii < NUM_EDCA_QUEUES; ii++) {
371 radio_caps->qos_params[ii].cont_win_min_q =
372 cpu_to_le16(common->edca_params[ii].cw_min);
373 radio_caps->qos_params[ii].cont_win_max_q =
374 cpu_to_le16(common->edca_params[ii].cw_max);
375 radio_caps->qos_params[ii].aifsn_val_q =
376 cpu_to_le16((common->edca_params[ii].aifs) << 8);
377 radio_caps->qos_params[ii].txop_q =
378 cpu_to_le16(common->edca_params[ii].txop);
379 }
380
381 radio_caps->qos_params[BROADCAST_HW_Q].txop_q = cpu_to_le16(0xffff);
382 radio_caps->qos_params[MGMT_HW_Q].txop_q = 0;
383 radio_caps->qos_params[BEACON_HW_Q].txop_q = cpu_to_le16(0xffff);
384
385 memcpy(&common->rate_pwr[0], &gc[0], 40);
386 for (ii = 0; ii < 20; ii++)
387 radio_caps->gcpd_per_rate[inx++] =
388 cpu_to_le16(common->rate_pwr[ii] & 0x00FF);
389
390 rsi_set_len_qno(&radio_caps->desc_dword0.len_qno,
391 (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q);
392
393 skb_put(skb, frame_len);
394
395 return rsi_send_internal_mgmt_frame(common, skb);
396 }
397
398 /**
399 * rsi_mgmt_pkt_to_core() - This function is the entry point for Mgmt module.
400 * @common: Pointer to the driver private structure.
401 * @msg: Pointer to received packet.
402 * @msg_len: Length of the recieved packet.
403 * @type: Type of recieved packet.
404 *
405 * Return: 0 on success, -1 on failure.
406 */
407 static int rsi_mgmt_pkt_to_core(struct rsi_common *common,
408 u8 *msg,
409 s32 msg_len)
410 {
411 struct rsi_hw *adapter = common->priv;
412 struct ieee80211_tx_info *info;
413 struct skb_info *rx_params;
414 u8 pad_bytes = msg[4];
415 struct sk_buff *skb;
416
417 if (!adapter->sc_nvifs)
418 return -ENOLINK;
419
420 msg_len -= pad_bytes;
421 if (msg_len <= 0) {
422 rsi_dbg(MGMT_RX_ZONE,
423 "%s: Invalid rx msg of len = %d\n",
424 __func__, msg_len);
425 return -EINVAL;
426 }
427
428 skb = dev_alloc_skb(msg_len);
429 if (!skb)
430 return -ENOMEM;
431
432 skb_put_data(skb,
433 (u8 *)(msg + FRAME_DESC_SZ + pad_bytes),
434 msg_len);
435
436 info = IEEE80211_SKB_CB(skb);
437 rx_params = (struct skb_info *)info->driver_data;
438 rx_params->rssi = rsi_get_rssi(msg);
439 rx_params->channel = rsi_get_channel(msg);
440 rsi_indicate_pkt_to_os(common, skb);
441
442 return 0;
443 }
444
445 /**
446 * rsi_hal_send_sta_notify_frame() - This function sends the station notify
447 * frame to firmware.
448 * @common: Pointer to the driver private structure.
449 * @opmode: Operating mode of device.
450 * @notify_event: Notification about station connection.
451 * @bssid: bssid.
452 * @qos_enable: Qos is enabled.
453 * @aid: Aid (unique for all STA).
454 *
455 * Return: status: 0 on success, corresponding negative error code on failure.
456 */
457 int rsi_hal_send_sta_notify_frame(struct rsi_common *common, enum opmode opmode,
458 u8 notify_event, const unsigned char *bssid,
459 u8 qos_enable, u16 aid, u16 sta_id,
460 struct ieee80211_vif *vif)
461 {
462 struct sk_buff *skb = NULL;
463 struct rsi_peer_notify *peer_notify;
464 u16 vap_id = ((struct vif_priv *)vif->drv_priv)->vap_id;
465 int status;
466 u16 frame_len = sizeof(struct rsi_peer_notify);
467
468 rsi_dbg(MGMT_TX_ZONE, "%s: Sending sta notify frame\n", __func__);
469
470 skb = dev_alloc_skb(frame_len);
471
472 if (!skb) {
473 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
474 __func__);
475 return -ENOMEM;
476 }
477
478 memset(skb->data, 0, frame_len);
479 peer_notify = (struct rsi_peer_notify *)skb->data;
480
481 if (opmode == RSI_OPMODE_STA)
482 peer_notify->command = cpu_to_le16(PEER_TYPE_AP << 1);
483 else if (opmode == RSI_OPMODE_AP)
484 peer_notify->command = cpu_to_le16(PEER_TYPE_STA << 1);
485
486 switch (notify_event) {
487 case STA_CONNECTED:
488 peer_notify->command |= cpu_to_le16(RSI_ADD_PEER);
489 break;
490 case STA_DISCONNECTED:
491 peer_notify->command |= cpu_to_le16(RSI_DELETE_PEER);
492 break;
493 default:
494 break;
495 }
496
497 peer_notify->command |= cpu_to_le16((aid & 0xfff) << 4);
498 ether_addr_copy(peer_notify->mac_addr, bssid);
499 peer_notify->mpdu_density = cpu_to_le16(RSI_MPDU_DENSITY);
500 peer_notify->sta_flags = cpu_to_le32((qos_enable) ? 1 : 0);
501
502 rsi_set_len_qno(&peer_notify->desc.desc_dword0.len_qno,
503 (frame_len - FRAME_DESC_SZ),
504 RSI_WIFI_MGMT_Q);
505 peer_notify->desc.desc_dword0.frame_type = PEER_NOTIFY;
506 peer_notify->desc.desc_dword3.qid_tid = sta_id;
507 peer_notify->desc.desc_dword3.sta_id = vap_id;
508
509 skb_put(skb, frame_len);
510
511 status = rsi_send_internal_mgmt_frame(common, skb);
512
513 if ((vif->type == NL80211_IFTYPE_STATION) &&
514 (!status && qos_enable)) {
515 rsi_set_contention_vals(common);
516 status = rsi_load_radio_caps(common);
517 }
518 return status;
519 }
520
521 /**
522 * rsi_send_aggregation_params_frame() - This function sends the ampdu
523 * indication frame to firmware.
524 * @common: Pointer to the driver private structure.
525 * @tid: traffic identifier.
526 * @ssn: ssn.
527 * @buf_size: buffer size.
528 * @event: notification about station connection.
529 *
530 * Return: 0 on success, corresponding negative error code on failure.
531 */
532 int rsi_send_aggregation_params_frame(struct rsi_common *common,
533 u16 tid,
534 u16 ssn,
535 u8 buf_size,
536 u8 event,
537 u8 sta_id)
538 {
539 struct sk_buff *skb = NULL;
540 struct rsi_aggr_params *aggr_params;
541 u16 frame_len = sizeof(struct rsi_aggr_params);
542
543 skb = dev_alloc_skb(frame_len);
544
545 if (!skb) {
546 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
547 __func__);
548 return -ENOMEM;
549 }
550
551 memset(skb->data, 0, frame_len);
552 aggr_params = (struct rsi_aggr_params *)skb->data;
553
554 rsi_dbg(MGMT_TX_ZONE, "%s: Sending AMPDU indication frame\n", __func__);
555
556 rsi_set_len_qno(&aggr_params->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q);
557 aggr_params->desc_dword0.frame_type = AMPDU_IND;
558
559 aggr_params->aggr_params = tid & RSI_AGGR_PARAMS_TID_MASK;
560 aggr_params->peer_id = sta_id;
561 if (event == STA_TX_ADDBA_DONE) {
562 aggr_params->seq_start = cpu_to_le16(ssn);
563 aggr_params->baw_size = cpu_to_le16(buf_size);
564 aggr_params->aggr_params |= RSI_AGGR_PARAMS_START;
565 } else if (event == STA_RX_ADDBA_DONE) {
566 aggr_params->seq_start = cpu_to_le16(ssn);
567 aggr_params->aggr_params |= (RSI_AGGR_PARAMS_START |
568 RSI_AGGR_PARAMS_RX_AGGR);
569 } else if (event == STA_RX_DELBA) {
570 aggr_params->aggr_params |= RSI_AGGR_PARAMS_RX_AGGR;
571 }
572
573 skb_put(skb, frame_len);
574
575 return rsi_send_internal_mgmt_frame(common, skb);
576 }
577
578 /**
579 * rsi_program_bb_rf() - This function starts base band and RF programming.
580 * This is called after initial configurations are done.
581 * @common: Pointer to the driver private structure.
582 *
583 * Return: 0 on success, corresponding negative error code on failure.
584 */
585 static int rsi_program_bb_rf(struct rsi_common *common)
586 {
587 struct sk_buff *skb;
588 struct rsi_bb_rf_prog *bb_rf_prog;
589 u16 frame_len = sizeof(struct rsi_bb_rf_prog);
590
591 rsi_dbg(MGMT_TX_ZONE, "%s: Sending program BB/RF frame\n", __func__);
592
593 skb = dev_alloc_skb(frame_len);
594 if (!skb) {
595 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
596 __func__);
597 return -ENOMEM;
598 }
599
600 memset(skb->data, 0, frame_len);
601 bb_rf_prog = (struct rsi_bb_rf_prog *)skb->data;
602
603 rsi_set_len_qno(&bb_rf_prog->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q);
604 bb_rf_prog->desc_dword0.frame_type = BBP_PROG_IN_TA;
605 bb_rf_prog->endpoint = common->endpoint;
606 bb_rf_prog->rf_power_mode = common->wlan_rf_power_mode;
607
608 if (common->rf_reset) {
609 bb_rf_prog->flags = cpu_to_le16(RF_RESET_ENABLE);
610 rsi_dbg(MGMT_TX_ZONE, "%s: ===> RF RESET REQUEST SENT <===\n",
611 __func__);
612 common->rf_reset = 0;
613 }
614 common->bb_rf_prog_count = 1;
615 bb_rf_prog->flags |= cpu_to_le16(PUT_BBP_RESET | BBP_REG_WRITE |
616 (RSI_RF_TYPE << 4));
617 skb_put(skb, frame_len);
618
619 return rsi_send_internal_mgmt_frame(common, skb);
620 }
621
622 /**
623 * rsi_set_vap_capabilities() - This function send vap capability to firmware.
624 * @common: Pointer to the driver private structure.
625 * @opmode: Operating mode of device.
626 *
627 * Return: 0 on success, corresponding negative error code on failure.
628 */
629 int rsi_set_vap_capabilities(struct rsi_common *common,
630 enum opmode mode,
631 u8 *mac_addr,
632 u8 vap_id,
633 u8 vap_status)
634 {
635 struct sk_buff *skb = NULL;
636 struct rsi_vap_caps *vap_caps;
637 struct rsi_hw *adapter = common->priv;
638 struct ieee80211_hw *hw = adapter->hw;
639 struct ieee80211_conf *conf = &hw->conf;
640 u16 frame_len = sizeof(struct rsi_vap_caps);
641
642 rsi_dbg(MGMT_TX_ZONE, "%s: Sending VAP capabilities frame\n", __func__);
643
644 skb = dev_alloc_skb(frame_len);
645 if (!skb) {
646 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
647 __func__);
648 return -ENOMEM;
649 }
650
651 memset(skb->data, 0, frame_len);
652 vap_caps = (struct rsi_vap_caps *)skb->data;
653
654 rsi_set_len_qno(&vap_caps->desc_dword0.len_qno,
655 (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q);
656 vap_caps->desc_dword0.frame_type = VAP_CAPABILITIES;
657 vap_caps->status = vap_status;
658 vap_caps->vif_type = mode;
659 vap_caps->channel_bw = common->channel_width;
660 vap_caps->vap_id = vap_id;
661 vap_caps->radioid_macid = ((common->mac_id & 0xf) << 4) |
662 (common->radio_id & 0xf);
663
664 memcpy(vap_caps->mac_addr, mac_addr, IEEE80211_ADDR_LEN);
665 vap_caps->keep_alive_period = cpu_to_le16(90);
666 vap_caps->frag_threshold = cpu_to_le16(IEEE80211_MAX_FRAG_THRESHOLD);
667
668 vap_caps->rts_threshold = cpu_to_le16(common->rts_threshold);
669
670 if (common->band == NL80211_BAND_5GHZ) {
671 vap_caps->default_ctrl_rate = cpu_to_le16(RSI_RATE_6);
672 vap_caps->default_mgmt_rate = cpu_to_le32(RSI_RATE_6);
673 } else {
674 vap_caps->default_ctrl_rate = cpu_to_le16(RSI_RATE_1);
675 vap_caps->default_mgmt_rate = cpu_to_le32(RSI_RATE_1);
676 }
677 if (conf_is_ht40(conf)) {
678 if (conf_is_ht40_minus(conf))
679 vap_caps->ctrl_rate_flags =
680 cpu_to_le16(UPPER_20_ENABLE);
681 else if (conf_is_ht40_plus(conf))
682 vap_caps->ctrl_rate_flags =
683 cpu_to_le16(LOWER_20_ENABLE);
684 else
685 vap_caps->ctrl_rate_flags =
686 cpu_to_le16(FULL40M_ENABLE);
687 }
688
689 vap_caps->default_data_rate = 0;
690 vap_caps->beacon_interval = cpu_to_le16(common->beacon_interval);
691 vap_caps->dtim_period = cpu_to_le16(common->dtim_cnt);
692
693 skb_put(skb, frame_len);
694
695 return rsi_send_internal_mgmt_frame(common, skb);
696 }
697
698 /**
699 * rsi_hal_load_key() - This function is used to load keys within the firmware.
700 * @common: Pointer to the driver private structure.
701 * @data: Pointer to the key data.
702 * @key_len: Key length to be loaded.
703 * @key_type: Type of key: GROUP/PAIRWISE.
704 * @key_id: Key index.
705 * @cipher: Type of cipher used.
706 *
707 * Return: 0 on success, -1 on failure.
708 */
709 int rsi_hal_load_key(struct rsi_common *common,
710 u8 *data,
711 u16 key_len,
712 u8 key_type,
713 u8 key_id,
714 u32 cipher,
715 s16 sta_id,
716 struct ieee80211_vif *vif)
717 {
718 struct sk_buff *skb = NULL;
719 struct rsi_set_key *set_key;
720 u16 key_descriptor = 0;
721 u16 frame_len = sizeof(struct rsi_set_key);
722
723 rsi_dbg(MGMT_TX_ZONE, "%s: Sending load key frame\n", __func__);
724
725 skb = dev_alloc_skb(frame_len);
726 if (!skb) {
727 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
728 __func__);
729 return -ENOMEM;
730 }
731
732 memset(skb->data, 0, frame_len);
733 set_key = (struct rsi_set_key *)skb->data;
734
735 if (key_type == RSI_GROUP_KEY) {
736 key_descriptor = RSI_KEY_TYPE_BROADCAST;
737 if (vif->type == NL80211_IFTYPE_AP)
738 key_descriptor |= RSI_KEY_MODE_AP;
739 }
740 if ((cipher == WLAN_CIPHER_SUITE_WEP40) ||
741 (cipher == WLAN_CIPHER_SUITE_WEP104)) {
742 key_id = 0;
743 key_descriptor |= RSI_WEP_KEY;
744 if (key_len >= 13)
745 key_descriptor |= RSI_WEP_KEY_104;
746 } else if (cipher != KEY_TYPE_CLEAR) {
747 key_descriptor |= RSI_CIPHER_WPA;
748 if (cipher == WLAN_CIPHER_SUITE_TKIP)
749 key_descriptor |= RSI_CIPHER_TKIP;
750 }
751 key_descriptor |= RSI_PROTECT_DATA_FRAMES;
752 key_descriptor |= ((key_id << RSI_KEY_ID_OFFSET) & RSI_KEY_ID_MASK);
753
754 rsi_set_len_qno(&set_key->desc_dword0.len_qno,
755 (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q);
756 set_key->desc_dword0.frame_type = SET_KEY_REQ;
757 set_key->key_desc = cpu_to_le16(key_descriptor);
758 set_key->sta_id = sta_id;
759
760 if (data) {
761 if ((cipher == WLAN_CIPHER_SUITE_WEP40) ||
762 (cipher == WLAN_CIPHER_SUITE_WEP104)) {
763 memcpy(&set_key->key[key_id][1], data, key_len * 2);
764 } else {
765 memcpy(&set_key->key[0][0], data, key_len);
766 }
767 memcpy(set_key->tx_mic_key, &data[16], 8);
768 memcpy(set_key->rx_mic_key, &data[24], 8);
769 } else {
770 memset(&set_key[FRAME_DESC_SZ], 0, frame_len - FRAME_DESC_SZ);
771 }
772
773 skb_put(skb, frame_len);
774
775 return rsi_send_internal_mgmt_frame(common, skb);
776 }
777
778 /*
779 * This function sends the common device configuration parameters to device.
780 * This frame includes the useful information to make device works on
781 * specific operating mode.
782 */
783 static int rsi_send_common_dev_params(struct rsi_common *common)
784 {
785 struct sk_buff *skb;
786 u16 frame_len;
787 struct rsi_config_vals *dev_cfgs;
788
789 frame_len = sizeof(struct rsi_config_vals);
790
791 rsi_dbg(MGMT_TX_ZONE, "Sending common device config params\n");
792 skb = dev_alloc_skb(frame_len);
793 if (!skb) {
794 rsi_dbg(ERR_ZONE, "%s: Unable to allocate skb\n", __func__);
795 return -ENOMEM;
796 }
797
798 memset(skb->data, 0, frame_len);
799
800 dev_cfgs = (struct rsi_config_vals *)skb->data;
801 memset(dev_cfgs, 0, (sizeof(struct rsi_config_vals)));
802
803 rsi_set_len_qno(&dev_cfgs->len_qno, (frame_len - FRAME_DESC_SZ),
804 RSI_COEX_Q);
805 dev_cfgs->pkt_type = COMMON_DEV_CONFIG;
806
807 dev_cfgs->lp_ps_handshake = common->lp_ps_handshake_mode;
808 dev_cfgs->ulp_ps_handshake = common->ulp_ps_handshake_mode;
809
810 dev_cfgs->unused_ulp_gpio = RSI_UNUSED_ULP_GPIO_BITMAP;
811 dev_cfgs->unused_soc_gpio_bitmap =
812 cpu_to_le32(RSI_UNUSED_SOC_GPIO_BITMAP);
813
814 dev_cfgs->opermode = common->oper_mode;
815 dev_cfgs->wlan_rf_pwr_mode = common->wlan_rf_power_mode;
816 dev_cfgs->driver_mode = common->driver_mode;
817 dev_cfgs->region_code = NL80211_DFS_FCC;
818 dev_cfgs->antenna_sel_val = common->obm_ant_sel_val;
819
820 skb_put(skb, frame_len);
821
822 return rsi_send_internal_mgmt_frame(common, skb);
823 }
824
825 /*
826 * rsi_load_bootup_params() - This function send bootup params to the firmware.
827 * @common: Pointer to the driver private structure.
828 *
829 * Return: 0 on success, corresponding error code on failure.
830 */
831 static int rsi_load_bootup_params(struct rsi_common *common)
832 {
833 struct sk_buff *skb;
834 struct rsi_boot_params *boot_params;
835
836 rsi_dbg(MGMT_TX_ZONE, "%s: Sending boot params frame\n", __func__);
837 skb = dev_alloc_skb(sizeof(struct rsi_boot_params));
838 if (!skb) {
839 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
840 __func__);
841 return -ENOMEM;
842 }
843
844 memset(skb->data, 0, sizeof(struct rsi_boot_params));
845 boot_params = (struct rsi_boot_params *)skb->data;
846
847 rsi_dbg(MGMT_TX_ZONE, "%s:\n", __func__);
848
849 if (common->channel_width == BW_40MHZ) {
850 memcpy(&boot_params->bootup_params,
851 &boot_params_40,
852 sizeof(struct bootup_params));
853 rsi_dbg(MGMT_TX_ZONE, "%s: Packet 40MHZ <=== %d\n", __func__,
854 UMAC_CLK_40BW);
855 boot_params->desc_word[7] = cpu_to_le16(UMAC_CLK_40BW);
856 } else {
857 memcpy(&boot_params->bootup_params,
858 &boot_params_20,
859 sizeof(struct bootup_params));
860 if (boot_params_20.valid != cpu_to_le32(VALID_20)) {
861 boot_params->desc_word[7] = cpu_to_le16(UMAC_CLK_20BW);
862 rsi_dbg(MGMT_TX_ZONE,
863 "%s: Packet 20MHZ <=== %d\n", __func__,
864 UMAC_CLK_20BW);
865 } else {
866 boot_params->desc_word[7] = cpu_to_le16(UMAC_CLK_40MHZ);
867 rsi_dbg(MGMT_TX_ZONE,
868 "%s: Packet 20MHZ <=== %d\n", __func__,
869 UMAC_CLK_40MHZ);
870 }
871 }
872
873 /**
874 * Bit{0:11} indicates length of the Packet
875 * Bit{12:15} indicates host queue number
876 */
877 boot_params->desc_word[0] = cpu_to_le16(sizeof(struct bootup_params) |
878 (RSI_WIFI_MGMT_Q << 12));
879 boot_params->desc_word[1] = cpu_to_le16(BOOTUP_PARAMS_REQUEST);
880
881 skb_put(skb, sizeof(struct rsi_boot_params));
882
883 return rsi_send_internal_mgmt_frame(common, skb);
884 }
885
886 /**
887 * rsi_send_reset_mac() - This function prepares reset MAC request and sends an
888 * internal management frame to indicate it to firmware.
889 * @common: Pointer to the driver private structure.
890 *
891 * Return: 0 on success, corresponding error code on failure.
892 */
893 static int rsi_send_reset_mac(struct rsi_common *common)
894 {
895 struct sk_buff *skb;
896 struct rsi_mac_frame *mgmt_frame;
897
898 rsi_dbg(MGMT_TX_ZONE, "%s: Sending reset MAC frame\n", __func__);
899
900 skb = dev_alloc_skb(FRAME_DESC_SZ);
901 if (!skb) {
902 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
903 __func__);
904 return -ENOMEM;
905 }
906
907 memset(skb->data, 0, FRAME_DESC_SZ);
908 mgmt_frame = (struct rsi_mac_frame *)skb->data;
909
910 mgmt_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12);
911 mgmt_frame->desc_word[1] = cpu_to_le16(RESET_MAC_REQ);
912 mgmt_frame->desc_word[4] = cpu_to_le16(RETRY_COUNT << 8);
913
914 skb_put(skb, FRAME_DESC_SZ);
915
916 return rsi_send_internal_mgmt_frame(common, skb);
917 }
918
919 /**
920 * rsi_band_check() - This function programs the band
921 * @common: Pointer to the driver private structure.
922 *
923 * Return: 0 on success, corresponding error code on failure.
924 */
925 int rsi_band_check(struct rsi_common *common,
926 struct ieee80211_channel *curchan)
927 {
928 struct rsi_hw *adapter = common->priv;
929 struct ieee80211_hw *hw = adapter->hw;
930 u8 prev_bw = common->channel_width;
931 u8 prev_ep = common->endpoint;
932 int status = 0;
933
934 if (common->band != curchan->band) {
935 common->rf_reset = 1;
936 common->band = curchan->band;
937 }
938
939 if ((hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) ||
940 (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20))
941 common->channel_width = BW_20MHZ;
942 else
943 common->channel_width = BW_40MHZ;
944
945 if (common->band == NL80211_BAND_2GHZ) {
946 if (common->channel_width)
947 common->endpoint = EP_2GHZ_40MHZ;
948 else
949 common->endpoint = EP_2GHZ_20MHZ;
950 } else {
951 if (common->channel_width)
952 common->endpoint = EP_5GHZ_40MHZ;
953 else
954 common->endpoint = EP_5GHZ_20MHZ;
955 }
956
957 if (common->endpoint != prev_ep) {
958 status = rsi_program_bb_rf(common);
959 if (status)
960 return status;
961 }
962
963 if (common->channel_width != prev_bw) {
964 status = rsi_load_bootup_params(common);
965 if (status)
966 return status;
967
968 status = rsi_load_radio_caps(common);
969 if (status)
970 return status;
971 }
972
973 return status;
974 }
975
976 /**
977 * rsi_set_channel() - This function programs the channel.
978 * @common: Pointer to the driver private structure.
979 * @channel: Channel value to be set.
980 *
981 * Return: 0 on success, corresponding error code on failure.
982 */
983 int rsi_set_channel(struct rsi_common *common,
984 struct ieee80211_channel *channel)
985 {
986 struct sk_buff *skb = NULL;
987 struct rsi_chan_config *chan_cfg;
988 u16 frame_len = sizeof(struct rsi_chan_config);
989
990 rsi_dbg(MGMT_TX_ZONE,
991 "%s: Sending scan req frame\n", __func__);
992
993 skb = dev_alloc_skb(frame_len);
994 if (!skb) {
995 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
996 __func__);
997 return -ENOMEM;
998 }
999
1000 if (!channel) {
1001 dev_kfree_skb(skb);
1002 return 0;
1003 }
1004 memset(skb->data, 0, frame_len);
1005 chan_cfg = (struct rsi_chan_config *)skb->data;
1006
1007 rsi_set_len_qno(&chan_cfg->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q);
1008 chan_cfg->desc_dword0.frame_type = SCAN_REQUEST;
1009 chan_cfg->channel_number = channel->hw_value;
1010 chan_cfg->antenna_gain_offset_2g = channel->max_antenna_gain;
1011 chan_cfg->antenna_gain_offset_5g = channel->max_antenna_gain;
1012 chan_cfg->region_rftype = (RSI_RF_TYPE & 0xf) << 4;
1013
1014 if ((channel->flags & IEEE80211_CHAN_NO_IR) ||
1015 (channel->flags & IEEE80211_CHAN_RADAR)) {
1016 chan_cfg->antenna_gain_offset_2g |= RSI_CHAN_RADAR;
1017 } else {
1018 if (common->tx_power < channel->max_power)
1019 chan_cfg->tx_power = cpu_to_le16(common->tx_power);
1020 else
1021 chan_cfg->tx_power = cpu_to_le16(channel->max_power);
1022 }
1023 chan_cfg->region_rftype |= (common->priv->dfs_region & 0xf);
1024
1025 if (common->channel_width == BW_40MHZ)
1026 chan_cfg->channel_width = 0x1;
1027
1028 common->channel = channel->hw_value;
1029
1030 skb_put(skb, frame_len);
1031
1032 return rsi_send_internal_mgmt_frame(common, skb);
1033 }
1034
1035 /**
1036 * rsi_send_radio_params_update() - This function sends the radio
1037 * parameters update to device
1038 * @common: Pointer to the driver private structure.
1039 * @channel: Channel value to be set.
1040 *
1041 * Return: 0 on success, corresponding error code on failure.
1042 */
1043 int rsi_send_radio_params_update(struct rsi_common *common)
1044 {
1045 struct rsi_mac_frame *cmd_frame;
1046 struct sk_buff *skb = NULL;
1047
1048 rsi_dbg(MGMT_TX_ZONE,
1049 "%s: Sending Radio Params update frame\n", __func__);
1050
1051 skb = dev_alloc_skb(FRAME_DESC_SZ);
1052 if (!skb) {
1053 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
1054 __func__);
1055 return -ENOMEM;
1056 }
1057
1058 memset(skb->data, 0, FRAME_DESC_SZ);
1059 cmd_frame = (struct rsi_mac_frame *)skb->data;
1060
1061 cmd_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12);
1062 cmd_frame->desc_word[1] = cpu_to_le16(RADIO_PARAMS_UPDATE);
1063 cmd_frame->desc_word[3] = cpu_to_le16(BIT(0));
1064
1065 cmd_frame->desc_word[3] |= cpu_to_le16(common->tx_power << 8);
1066
1067 skb_put(skb, FRAME_DESC_SZ);
1068
1069 return rsi_send_internal_mgmt_frame(common, skb);
1070 }
1071
1072 /* This function programs the threshold. */
1073 int rsi_send_vap_dynamic_update(struct rsi_common *common)
1074 {
1075 struct sk_buff *skb;
1076 struct rsi_dynamic_s *dynamic_frame;
1077
1078 rsi_dbg(MGMT_TX_ZONE,
1079 "%s: Sending vap update indication frame\n", __func__);
1080
1081 skb = dev_alloc_skb(sizeof(struct rsi_dynamic_s));
1082 if (!skb)
1083 return -ENOMEM;
1084
1085 memset(skb->data, 0, sizeof(struct rsi_dynamic_s));
1086 dynamic_frame = (struct rsi_dynamic_s *)skb->data;
1087 rsi_set_len_qno(&dynamic_frame->desc_dword0.len_qno,
1088 sizeof(dynamic_frame->frame_body), RSI_WIFI_MGMT_Q);
1089
1090 dynamic_frame->desc_dword0.frame_type = VAP_DYNAMIC_UPDATE;
1091 dynamic_frame->desc_dword2.pkt_info =
1092 cpu_to_le32(common->rts_threshold);
1093
1094 if (common->wow_flags & RSI_WOW_ENABLED) {
1095 /* Beacon miss threshold */
1096 dynamic_frame->desc_dword3.token =
1097 cpu_to_le16(RSI_BCN_MISS_THRESHOLD);
1098 dynamic_frame->frame_body.keep_alive_period =
1099 cpu_to_le16(RSI_WOW_KEEPALIVE);
1100 } else {
1101 dynamic_frame->frame_body.keep_alive_period =
1102 cpu_to_le16(RSI_DEF_KEEPALIVE);
1103 }
1104
1105 dynamic_frame->desc_dword3.sta_id = 0; /* vap id */
1106
1107 skb_put(skb, sizeof(struct rsi_dynamic_s));
1108
1109 return rsi_send_internal_mgmt_frame(common, skb);
1110 }
1111
1112 /**
1113 * rsi_compare() - This function is used to compare two integers
1114 * @a: pointer to the first integer
1115 * @b: pointer to the second integer
1116 *
1117 * Return: 0 if both are equal, -1 if the first is smaller, else 1
1118 */
1119 static int rsi_compare(const void *a, const void *b)
1120 {
1121 u16 _a = *(const u16 *)(a);
1122 u16 _b = *(const u16 *)(b);
1123
1124 if (_a > _b)
1125 return -1;
1126
1127 if (_a < _b)
1128 return 1;
1129
1130 return 0;
1131 }
1132
1133 /**
1134 * rsi_map_rates() - This function is used to map selected rates to hw rates.
1135 * @rate: The standard rate to be mapped.
1136 * @offset: Offset that will be returned.
1137 *
1138 * Return: 0 if it is a mcs rate, else 1
1139 */
1140 static bool rsi_map_rates(u16 rate, int *offset)
1141 {
1142 int kk;
1143 for (kk = 0; kk < ARRAY_SIZE(rsi_mcsrates); kk++) {
1144 if (rate == mcs[kk]) {
1145 *offset = kk;
1146 return false;
1147 }
1148 }
1149
1150 for (kk = 0; kk < ARRAY_SIZE(rsi_rates); kk++) {
1151 if (rate == rsi_rates[kk].bitrate / 5) {
1152 *offset = kk;
1153 break;
1154 }
1155 }
1156 return true;
1157 }
1158
1159 /**
1160 * rsi_send_auto_rate_request() - This function is to set rates for connection
1161 * and send autorate request to firmware.
1162 * @common: Pointer to the driver private structure.
1163 *
1164 * Return: 0 on success, corresponding error code on failure.
1165 */
1166 static int rsi_send_auto_rate_request(struct rsi_common *common,
1167 struct ieee80211_sta *sta,
1168 u16 sta_id,
1169 struct ieee80211_vif *vif)
1170 {
1171 struct sk_buff *skb;
1172 struct rsi_auto_rate *auto_rate;
1173 int ii = 0, jj = 0, kk = 0;
1174 struct ieee80211_hw *hw = common->priv->hw;
1175 u8 band = hw->conf.chandef.chan->band;
1176 u8 num_supported_rates = 0;
1177 u8 rate_table_offset, rate_offset = 0;
1178 u32 rate_bitmap;
1179 u16 *selected_rates, min_rate;
1180 bool is_ht = false, is_sgi = false;
1181 u16 frame_len = sizeof(struct rsi_auto_rate);
1182
1183 rsi_dbg(MGMT_TX_ZONE,
1184 "%s: Sending auto rate request frame\n", __func__);
1185
1186 skb = dev_alloc_skb(frame_len);
1187 if (!skb) {
1188 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
1189 __func__);
1190 return -ENOMEM;
1191 }
1192
1193 memset(skb->data, 0, frame_len);
1194 selected_rates = kzalloc(2 * RSI_TBL_SZ, GFP_KERNEL);
1195 if (!selected_rates) {
1196 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of mem\n",
1197 __func__);
1198 dev_kfree_skb(skb);
1199 return -ENOMEM;
1200 }
1201
1202 auto_rate = (struct rsi_auto_rate *)skb->data;
1203
1204 auto_rate->aarf_rssi = cpu_to_le16(((u16)3 << 6) | (u16)(18 & 0x3f));
1205 auto_rate->collision_tolerance = cpu_to_le16(3);
1206 auto_rate->failure_limit = cpu_to_le16(3);
1207 auto_rate->initial_boundary = cpu_to_le16(3);
1208 auto_rate->max_threshold_limt = cpu_to_le16(27);
1209
1210 auto_rate->desc.desc_dword0.frame_type = AUTO_RATE_IND;
1211
1212 if (common->channel_width == BW_40MHZ)
1213 auto_rate->desc.desc_dword3.qid_tid = BW_40MHZ;
1214 auto_rate->desc.desc_dword3.sta_id = sta_id;
1215
1216 if (vif->type == NL80211_IFTYPE_STATION) {
1217 rate_bitmap = common->bitrate_mask[band];
1218 is_ht = common->vif_info[0].is_ht;
1219 is_sgi = common->vif_info[0].sgi;
1220 } else {
1221 rate_bitmap = sta->supp_rates[band];
1222 is_ht = sta->ht_cap.ht_supported;
1223 if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ||
1224 (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
1225 is_sgi = true;
1226 }
1227
1228 if (band == NL80211_BAND_2GHZ) {
1229 if ((rate_bitmap == 0) && (is_ht))
1230 min_rate = RSI_RATE_MCS0;
1231 else
1232 min_rate = RSI_RATE_1;
1233 rate_table_offset = 0;
1234 } else {
1235 if ((rate_bitmap == 0) && (is_ht))
1236 min_rate = RSI_RATE_MCS0;
1237 else
1238 min_rate = RSI_RATE_6;
1239 rate_table_offset = 4;
1240 }
1241
1242 for (ii = 0, jj = 0;
1243 ii < (ARRAY_SIZE(rsi_rates) - rate_table_offset); ii++) {
1244 if (rate_bitmap & BIT(ii)) {
1245 selected_rates[jj++] =
1246 (rsi_rates[ii + rate_table_offset].bitrate / 5);
1247 rate_offset++;
1248 }
1249 }
1250 num_supported_rates = jj;
1251
1252 if (is_ht) {
1253 for (ii = 0; ii < ARRAY_SIZE(mcs); ii++)
1254 selected_rates[jj++] = mcs[ii];
1255 num_supported_rates += ARRAY_SIZE(mcs);
1256 rate_offset += ARRAY_SIZE(mcs);
1257 }
1258
1259 sort(selected_rates, jj, sizeof(u16), &rsi_compare, NULL);
1260
1261 /* mapping the rates to RSI rates */
1262 for (ii = 0; ii < jj; ii++) {
1263 if (rsi_map_rates(selected_rates[ii], &kk)) {
1264 auto_rate->supported_rates[ii] =
1265 cpu_to_le16(rsi_rates[kk].hw_value);
1266 } else {
1267 auto_rate->supported_rates[ii] =
1268 cpu_to_le16(rsi_mcsrates[kk]);
1269 }
1270 }
1271
1272 /* loading HT rates in the bottom half of the auto rate table */
1273 if (is_ht) {
1274 for (ii = rate_offset, kk = ARRAY_SIZE(rsi_mcsrates) - 1;
1275 ii < rate_offset + 2 * ARRAY_SIZE(rsi_mcsrates); ii++) {
1276 if (is_sgi || conf_is_ht40(&common->priv->hw->conf))
1277 auto_rate->supported_rates[ii++] =
1278 cpu_to_le16(rsi_mcsrates[kk] | BIT(9));
1279 else
1280 auto_rate->supported_rates[ii++] =
1281 cpu_to_le16(rsi_mcsrates[kk]);
1282 auto_rate->supported_rates[ii] =
1283 cpu_to_le16(rsi_mcsrates[kk--]);
1284 }
1285
1286 for (; ii < (RSI_TBL_SZ - 1); ii++) {
1287 auto_rate->supported_rates[ii] =
1288 cpu_to_le16(rsi_mcsrates[0]);
1289 }
1290 }
1291
1292 for (; ii < RSI_TBL_SZ; ii++)
1293 auto_rate->supported_rates[ii] = cpu_to_le16(min_rate);
1294
1295 auto_rate->num_supported_rates = cpu_to_le16(num_supported_rates * 2);
1296 auto_rate->moderate_rate_inx = cpu_to_le16(num_supported_rates / 2);
1297 num_supported_rates *= 2;
1298
1299 rsi_set_len_qno(&auto_rate->desc.desc_dword0.len_qno,
1300 (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q);
1301
1302 skb_put(skb, frame_len);
1303 kfree(selected_rates);
1304
1305 return rsi_send_internal_mgmt_frame(common, skb);
1306 }
1307
1308 /**
1309 * rsi_inform_bss_status() - This function informs about bss status with the
1310 * help of sta notify params by sending an internal
1311 * management frame to firmware.
1312 * @common: Pointer to the driver private structure.
1313 * @status: Bss status type.
1314 * @bssid: Bssid.
1315 * @qos_enable: Qos is enabled.
1316 * @aid: Aid (unique for all STAs).
1317 *
1318 * Return: None.
1319 */
1320 void rsi_inform_bss_status(struct rsi_common *common,
1321 enum opmode opmode,
1322 u8 status,
1323 const u8 *addr,
1324 u8 qos_enable,
1325 u16 aid,
1326 struct ieee80211_sta *sta,
1327 u16 sta_id,
1328 u16 assoc_cap,
1329 struct ieee80211_vif *vif)
1330 {
1331 if (status) {
1332 if (opmode == RSI_OPMODE_STA)
1333 common->hw_data_qs_blocked = true;
1334 rsi_hal_send_sta_notify_frame(common,
1335 opmode,
1336 STA_CONNECTED,
1337 addr,
1338 qos_enable,
1339 aid, sta_id,
1340 vif);
1341 if (common->min_rate == 0xffff)
1342 rsi_send_auto_rate_request(common, sta, sta_id, vif);
1343 if (opmode == RSI_OPMODE_STA &&
1344 !(assoc_cap & WLAN_CAPABILITY_PRIVACY) &&
1345 !rsi_send_block_unblock_frame(common, false))
1346 common->hw_data_qs_blocked = false;
1347 } else {
1348 if (opmode == RSI_OPMODE_STA)
1349 common->hw_data_qs_blocked = true;
1350
1351 if (!(common->wow_flags & RSI_WOW_ENABLED))
1352 rsi_hal_send_sta_notify_frame(common, opmode,
1353 STA_DISCONNECTED, addr,
1354 qos_enable, aid, sta_id,
1355 vif);
1356 if (opmode == RSI_OPMODE_STA)
1357 rsi_send_block_unblock_frame(common, true);
1358 }
1359 }
1360
1361 /**
1362 * rsi_eeprom_read() - This function sends a frame to read the mac address
1363 * from the eeprom.
1364 * @common: Pointer to the driver private structure.
1365 *
1366 * Return: 0 on success, -1 on failure.
1367 */
1368 static int rsi_eeprom_read(struct rsi_common *common)
1369 {
1370 struct rsi_eeprom_read_frame *mgmt_frame;
1371 struct rsi_hw *adapter = common->priv;
1372 struct sk_buff *skb;
1373
1374 rsi_dbg(MGMT_TX_ZONE, "%s: Sending EEPROM read req frame\n", __func__);
1375
1376 skb = dev_alloc_skb(FRAME_DESC_SZ);
1377 if (!skb) {
1378 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
1379 __func__);
1380 return -ENOMEM;
1381 }
1382
1383 memset(skb->data, 0, FRAME_DESC_SZ);
1384 mgmt_frame = (struct rsi_eeprom_read_frame *)skb->data;
1385
1386 /* FrameType */
1387 rsi_set_len_qno(&mgmt_frame->len_qno, 0, RSI_WIFI_MGMT_Q);
1388 mgmt_frame->pkt_type = EEPROM_READ;
1389
1390 /* Number of bytes to read */
1391 mgmt_frame->pkt_info =
1392 cpu_to_le32((adapter->eeprom.length << RSI_EEPROM_LEN_OFFSET) &
1393 RSI_EEPROM_LEN_MASK);
1394 mgmt_frame->pkt_info |= cpu_to_le32((3 << RSI_EEPROM_HDR_SIZE_OFFSET) &
1395 RSI_EEPROM_HDR_SIZE_MASK);
1396
1397 /* Address to read */
1398 mgmt_frame->eeprom_offset = cpu_to_le32(adapter->eeprom.offset);
1399
1400 skb_put(skb, FRAME_DESC_SZ);
1401
1402 return rsi_send_internal_mgmt_frame(common, skb);
1403 }
1404
1405 /**
1406 * This function sends a frame to block/unblock
1407 * data queues in the firmware
1408 *
1409 * @param common Pointer to the driver private structure.
1410 * @param block event - block if true, unblock if false
1411 * @return 0 on success, -1 on failure.
1412 */
1413 int rsi_send_block_unblock_frame(struct rsi_common *common, bool block_event)
1414 {
1415 struct rsi_block_unblock_data *mgmt_frame;
1416 struct sk_buff *skb;
1417
1418 rsi_dbg(MGMT_TX_ZONE, "%s: Sending block/unblock frame\n", __func__);
1419
1420 skb = dev_alloc_skb(FRAME_DESC_SZ);
1421 if (!skb) {
1422 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
1423 __func__);
1424 return -ENOMEM;
1425 }
1426
1427 memset(skb->data, 0, FRAME_DESC_SZ);
1428 mgmt_frame = (struct rsi_block_unblock_data *)skb->data;
1429
1430 rsi_set_len_qno(&mgmt_frame->desc_dword0.len_qno, 0, RSI_WIFI_MGMT_Q);
1431 mgmt_frame->desc_dword0.frame_type = BLOCK_HW_QUEUE;
1432 mgmt_frame->host_quiet_info = QUIET_INFO_VALID;
1433
1434 if (block_event) {
1435 rsi_dbg(INFO_ZONE, "blocking the data qs\n");
1436 mgmt_frame->block_q_bitmap = cpu_to_le16(0xf);
1437 mgmt_frame->block_q_bitmap |= cpu_to_le16(0xf << 4);
1438 } else {
1439 rsi_dbg(INFO_ZONE, "unblocking the data qs\n");
1440 mgmt_frame->unblock_q_bitmap = cpu_to_le16(0xf);
1441 mgmt_frame->unblock_q_bitmap |= cpu_to_le16(0xf << 4);
1442 }
1443
1444 skb_put(skb, FRAME_DESC_SZ);
1445
1446 return rsi_send_internal_mgmt_frame(common, skb);
1447 }
1448
1449 /**
1450 * rsi_send_rx_filter_frame() - Sends a frame to filter the RX packets
1451 *
1452 * @common: Pointer to the driver private structure.
1453 * @rx_filter_word: Flags of filter packets
1454 *
1455 * @Return: 0 on success, -1 on failure.
1456 */
1457 int rsi_send_rx_filter_frame(struct rsi_common *common, u16 rx_filter_word)
1458 {
1459 struct rsi_mac_frame *cmd_frame;
1460 struct sk_buff *skb;
1461
1462 rsi_dbg(MGMT_TX_ZONE, "Sending RX filter frame\n");
1463
1464 skb = dev_alloc_skb(FRAME_DESC_SZ);
1465 if (!skb) {
1466 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
1467 __func__);
1468 return -ENOMEM;
1469 }
1470
1471 memset(skb->data, 0, FRAME_DESC_SZ);
1472 cmd_frame = (struct rsi_mac_frame *)skb->data;
1473
1474 cmd_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12);
1475 cmd_frame->desc_word[1] = cpu_to_le16(SET_RX_FILTER);
1476 cmd_frame->desc_word[4] = cpu_to_le16(rx_filter_word);
1477
1478 skb_put(skb, FRAME_DESC_SZ);
1479
1480 return rsi_send_internal_mgmt_frame(common, skb);
1481 }
1482
1483 int rsi_send_ps_request(struct rsi_hw *adapter, bool enable,
1484 struct ieee80211_vif *vif)
1485 {
1486 struct rsi_common *common = adapter->priv;
1487 struct ieee80211_bss_conf *bss = &vif->bss_conf;
1488 struct rsi_request_ps *ps;
1489 struct rsi_ps_info *ps_info;
1490 struct sk_buff *skb;
1491 int frame_len = sizeof(*ps);
1492
1493 skb = dev_alloc_skb(frame_len);
1494 if (!skb)
1495 return -ENOMEM;
1496 memset(skb->data, 0, frame_len);
1497
1498 ps = (struct rsi_request_ps *)skb->data;
1499 ps_info = &adapter->ps_info;
1500
1501 rsi_set_len_qno(&ps->desc.desc_dword0.len_qno,
1502 (frame_len - FRAME_DESC_SZ), RSI_WIFI_MGMT_Q);
1503 ps->desc.desc_dword0.frame_type = WAKEUP_SLEEP_REQUEST;
1504 if (enable) {
1505 ps->ps_sleep.enable = RSI_PS_ENABLE;
1506 ps->desc.desc_dword3.token = cpu_to_le16(RSI_SLEEP_REQUEST);
1507 } else {
1508 ps->ps_sleep.enable = RSI_PS_DISABLE;
1509 ps->desc.desc_dword0.len_qno |= cpu_to_le16(RSI_PS_DISABLE_IND);
1510 ps->desc.desc_dword3.token = cpu_to_le16(RSI_WAKEUP_REQUEST);
1511 }
1512
1513 ps->ps_uapsd_acs = common->uapsd_bitmap;
1514
1515 ps->ps_sleep.sleep_type = ps_info->sleep_type;
1516 ps->ps_sleep.num_bcns_per_lis_int =
1517 cpu_to_le16(ps_info->num_bcns_per_lis_int);
1518 ps->ps_sleep.sleep_duration =
1519 cpu_to_le32(ps_info->deep_sleep_wakeup_period);
1520
1521 if (bss->assoc)
1522 ps->ps_sleep.connected_sleep = RSI_CONNECTED_SLEEP;
1523 else
1524 ps->ps_sleep.connected_sleep = RSI_DEEP_SLEEP;
1525
1526 ps->ps_listen_interval = cpu_to_le32(ps_info->listen_interval);
1527 ps->ps_dtim_interval_duration =
1528 cpu_to_le32(ps_info->dtim_interval_duration);
1529
1530 if (ps_info->listen_interval > ps_info->dtim_interval_duration)
1531 ps->ps_listen_interval = cpu_to_le32(RSI_PS_DISABLE);
1532
1533 ps->ps_num_dtim_intervals = cpu_to_le16(ps_info->num_dtims_per_sleep);
1534 skb_put(skb, frame_len);
1535
1536 return rsi_send_internal_mgmt_frame(common, skb);
1537 }
1538
1539 /**
1540 * rsi_set_antenna() - This fuction send antenna configuration request
1541 * to device
1542 *
1543 * @common: Pointer to the driver private structure.
1544 * @antenna: bitmap for tx antenna selection
1545 *
1546 * Return: 0 on Success, negative error code on failure
1547 */
1548 int rsi_set_antenna(struct rsi_common *common, u8 antenna)
1549 {
1550 struct rsi_ant_sel_frame *ant_sel_frame;
1551 struct sk_buff *skb;
1552
1553 skb = dev_alloc_skb(FRAME_DESC_SZ);
1554 if (!skb) {
1555 rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n",
1556 __func__);
1557 return -ENOMEM;
1558 }
1559
1560 memset(skb->data, 0, FRAME_DESC_SZ);
1561
1562 ant_sel_frame = (struct rsi_ant_sel_frame *)skb->data;
1563 ant_sel_frame->desc_dword0.frame_type = ANT_SEL_FRAME;
1564 ant_sel_frame->sub_frame_type = ANTENNA_SEL_TYPE;
1565 ant_sel_frame->ant_value = cpu_to_le16(antenna & ANTENNA_MASK_VALUE);
1566 rsi_set_len_qno(&ant_sel_frame->desc_dword0.len_qno,
1567 0, RSI_WIFI_MGMT_Q);
1568 skb_put(skb, FRAME_DESC_SZ);
1569
1570 return rsi_send_internal_mgmt_frame(common, skb);
1571 }
1572
1573 static int rsi_send_beacon(struct rsi_common *common)
1574 {
1575 struct sk_buff *skb = NULL;
1576 u8 dword_align_bytes = 0;
1577
1578 skb = dev_alloc_skb(MAX_MGMT_PKT_SIZE);
1579 if (!skb)
1580 return -ENOMEM;
1581
1582 memset(skb->data, 0, MAX_MGMT_PKT_SIZE);
1583
1584 dword_align_bytes = ((unsigned long)skb->data & 0x3f);
1585 if (dword_align_bytes)
1586 skb_pull(skb, (64 - dword_align_bytes));
1587 if (rsi_prepare_beacon(common, skb)) {
1588 rsi_dbg(ERR_ZONE, "Failed to prepare beacon\n");
1589 return -EINVAL;
1590 }
1591 skb_queue_tail(&common->tx_queue[MGMT_BEACON_Q], skb);
1592 rsi_set_event(&common->tx_thread.event);
1593 rsi_dbg(DATA_TX_ZONE, "%s: Added to beacon queue\n", __func__);
1594
1595 return 0;
1596 }
1597
1598 #ifdef CONFIG_PM
1599 int rsi_send_wowlan_request(struct rsi_common *common, u16 flags,
1600 u16 sleep_status)
1601 {
1602 struct rsi_wowlan_req *cmd_frame;
1603 struct sk_buff *skb;
1604 u8 length;
1605
1606 rsi_dbg(ERR_ZONE, "%s: Sending wowlan request frame\n", __func__);
1607
1608 length = sizeof(*cmd_frame);
1609 skb = dev_alloc_skb(length);
1610 if (!skb)
1611 return -ENOMEM;
1612 memset(skb->data, 0, length);
1613 cmd_frame = (struct rsi_wowlan_req *)skb->data;
1614
1615 rsi_set_len_qno(&cmd_frame->desc.desc_dword0.len_qno,
1616 (length - FRAME_DESC_SZ),
1617 RSI_WIFI_MGMT_Q);
1618 cmd_frame->desc.desc_dword0.frame_type = WOWLAN_CONFIG_PARAMS;
1619 cmd_frame->host_sleep_status = sleep_status;
1620 if (common->secinfo.security_enable &&
1621 common->secinfo.gtk_cipher)
1622 flags |= RSI_WOW_GTK_REKEY;
1623 if (sleep_status)
1624 cmd_frame->wow_flags = flags;
1625 rsi_dbg(INFO_ZONE, "Host_Sleep_Status : %d Flags : %d\n",
1626 cmd_frame->host_sleep_status, cmd_frame->wow_flags);
1627
1628 skb_put(skb, length);
1629
1630 return rsi_send_internal_mgmt_frame(common, skb);
1631 }
1632 #endif
1633
1634 /**
1635 * rsi_handle_ta_confirm_type() - This function handles the confirm frames.
1636 * @common: Pointer to the driver private structure.
1637 * @msg: Pointer to received packet.
1638 *
1639 * Return: 0 on success, -1 on failure.
1640 */
1641 static int rsi_handle_ta_confirm_type(struct rsi_common *common,
1642 u8 *msg)
1643 {
1644 struct rsi_hw *adapter = common->priv;
1645 u8 sub_type = (msg[15] & 0xff);
1646 u16 msg_len = ((u16 *)msg)[0] & 0xfff;
1647 u8 offset;
1648
1649 switch (sub_type) {
1650 case BOOTUP_PARAMS_REQUEST:
1651 rsi_dbg(FSM_ZONE, "%s: Boot up params confirm received\n",
1652 __func__);
1653 if (common->fsm_state == FSM_BOOT_PARAMS_SENT) {
1654 adapter->eeprom.length = (IEEE80211_ADDR_LEN +
1655 WLAN_MAC_MAGIC_WORD_LEN +
1656 WLAN_HOST_MODE_LEN);
1657 adapter->eeprom.offset = WLAN_MAC_EEPROM_ADDR;
1658 if (rsi_eeprom_read(common)) {
1659 common->fsm_state = FSM_CARD_NOT_READY;
1660 goto out;
1661 }
1662 common->fsm_state = FSM_EEPROM_READ_MAC_ADDR;
1663 } else {
1664 rsi_dbg(INFO_ZONE,
1665 "%s: Received bootup params cfm in %d state\n",
1666 __func__, common->fsm_state);
1667 return 0;
1668 }
1669 break;
1670
1671 case EEPROM_READ:
1672 rsi_dbg(FSM_ZONE, "EEPROM READ confirm received\n");
1673 if (msg_len <= 0) {
1674 rsi_dbg(FSM_ZONE,
1675 "%s: [EEPROM_READ] Invalid len %d\n",
1676 __func__, msg_len);
1677 goto out;
1678 }
1679 if (msg[16] != MAGIC_WORD) {
1680 rsi_dbg(FSM_ZONE,
1681 "%s: [EEPROM_READ] Invalid token\n", __func__);
1682 common->fsm_state = FSM_CARD_NOT_READY;
1683 goto out;
1684 }
1685 if (common->fsm_state == FSM_EEPROM_READ_MAC_ADDR) {
1686 offset = (FRAME_DESC_SZ + WLAN_HOST_MODE_LEN +
1687 WLAN_MAC_MAGIC_WORD_LEN);
1688 memcpy(common->mac_addr, &msg[offset], ETH_ALEN);
1689 adapter->eeprom.length =
1690 ((WLAN_MAC_MAGIC_WORD_LEN + 3) & (~3));
1691 adapter->eeprom.offset = WLAN_EEPROM_RFTYPE_ADDR;
1692 if (rsi_eeprom_read(common)) {
1693 rsi_dbg(ERR_ZONE,
1694 "%s: Failed reading RF band\n",
1695 __func__);
1696 common->fsm_state = FSM_CARD_NOT_READY;
1697 goto out;
1698 }
1699 common->fsm_state = FSM_EEPROM_READ_RF_TYPE;
1700 } else if (common->fsm_state == FSM_EEPROM_READ_RF_TYPE) {
1701 if ((msg[17] & 0x3) == 0x3) {
1702 rsi_dbg(INIT_ZONE, "Dual band supported\n");
1703 common->band = NL80211_BAND_5GHZ;
1704 common->num_supp_bands = 2;
1705 } else if ((msg[17] & 0x3) == 0x1) {
1706 rsi_dbg(INIT_ZONE,
1707 "Only 2.4Ghz band supported\n");
1708 common->band = NL80211_BAND_2GHZ;
1709 common->num_supp_bands = 1;
1710 }
1711 if (rsi_send_reset_mac(common))
1712 goto out;
1713 common->fsm_state = FSM_RESET_MAC_SENT;
1714 } else {
1715 rsi_dbg(ERR_ZONE, "%s: Invalid EEPROM read type\n",
1716 __func__);
1717 return 0;
1718 }
1719 break;
1720
1721 case RESET_MAC_REQ:
1722 if (common->fsm_state == FSM_RESET_MAC_SENT) {
1723 rsi_dbg(FSM_ZONE, "%s: Reset MAC cfm received\n",
1724 __func__);
1725
1726 if (rsi_load_radio_caps(common))
1727 goto out;
1728 else
1729 common->fsm_state = FSM_RADIO_CAPS_SENT;
1730 } else {
1731 rsi_dbg(ERR_ZONE,
1732 "%s: Received reset mac cfm in %d state\n",
1733 __func__, common->fsm_state);
1734 return 0;
1735 }
1736 break;
1737
1738 case RADIO_CAPABILITIES:
1739 if (common->fsm_state == FSM_RADIO_CAPS_SENT) {
1740 common->rf_reset = 1;
1741 if (rsi_program_bb_rf(common)) {
1742 goto out;
1743 } else {
1744 common->fsm_state = FSM_BB_RF_PROG_SENT;
1745 rsi_dbg(FSM_ZONE, "%s: Radio cap cfm received\n",
1746 __func__);
1747 }
1748 } else {
1749 rsi_dbg(INFO_ZONE,
1750 "%s: Received radio caps cfm in %d state\n",
1751 __func__, common->fsm_state);
1752 return 0;
1753 }
1754 break;
1755
1756 case BB_PROG_VALUES_REQUEST:
1757 case RF_PROG_VALUES_REQUEST:
1758 case BBP_PROG_IN_TA:
1759 rsi_dbg(FSM_ZONE, "%s: BB/RF cfm received\n", __func__);
1760 if (common->fsm_state == FSM_BB_RF_PROG_SENT) {
1761 common->bb_rf_prog_count--;
1762 if (!common->bb_rf_prog_count) {
1763 common->fsm_state = FSM_MAC_INIT_DONE;
1764 if (common->reinit_hw) {
1765 complete(&common->wlan_init_completion);
1766 } else {
1767 return rsi_mac80211_attach(common);
1768 }
1769 }
1770 } else {
1771 rsi_dbg(INFO_ZONE,
1772 "%s: Received bbb_rf cfm in %d state\n",
1773 __func__, common->fsm_state);
1774 return 0;
1775 }
1776 break;
1777 case WAKEUP_SLEEP_REQUEST:
1778 rsi_dbg(INFO_ZONE, "Wakeup/Sleep confirmation.\n");
1779 return rsi_handle_ps_confirm(adapter, msg);
1780 default:
1781 rsi_dbg(INFO_ZONE, "%s: Invalid TA confirm pkt received\n",
1782 __func__);
1783 break;
1784 }
1785 return 0;
1786 out:
1787 rsi_dbg(ERR_ZONE, "%s: Unable to send pkt/Invalid frame received\n",
1788 __func__);
1789 return -EINVAL;
1790 }
1791
1792 int rsi_handle_card_ready(struct rsi_common *common, u8 *msg)
1793 {
1794 switch (common->fsm_state) {
1795 case FSM_CARD_NOT_READY:
1796 rsi_dbg(INIT_ZONE, "Card ready indication from Common HAL\n");
1797 rsi_set_default_parameters(common);
1798 if (rsi_send_common_dev_params(common) < 0)
1799 return -EINVAL;
1800 common->fsm_state = FSM_COMMON_DEV_PARAMS_SENT;
1801 break;
1802 case FSM_COMMON_DEV_PARAMS_SENT:
1803 rsi_dbg(INIT_ZONE, "Card ready indication from WLAN HAL\n");
1804
1805 /* Get usb buffer status register address */
1806 common->priv->usb_buffer_status_reg = *(u32 *)&msg[8];
1807 rsi_dbg(INFO_ZONE, "USB buffer status register = %x\n",
1808 common->priv->usb_buffer_status_reg);
1809
1810 if (rsi_load_bootup_params(common)) {
1811 common->fsm_state = FSM_CARD_NOT_READY;
1812 return -EINVAL;
1813 }
1814 common->fsm_state = FSM_BOOT_PARAMS_SENT;
1815 break;
1816 default:
1817 rsi_dbg(ERR_ZONE,
1818 "%s: card ready indication in invalid state %d.\n",
1819 __func__, common->fsm_state);
1820 return -EINVAL;
1821 }
1822
1823 return 0;
1824 }
1825
1826 /**
1827 * rsi_mgmt_pkt_recv() - This function processes the management packets
1828 * recieved from the hardware.
1829 * @common: Pointer to the driver private structure.
1830 * @msg: Pointer to the received packet.
1831 *
1832 * Return: 0 on success, -1 on failure.
1833 */
1834 int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg)
1835 {
1836 s32 msg_len = (le16_to_cpu(*(__le16 *)&msg[0]) & 0x0fff);
1837 u16 msg_type = (msg[2]);
1838
1839 rsi_dbg(FSM_ZONE, "%s: Msg Len: %d, Msg Type: %4x\n",
1840 __func__, msg_len, msg_type);
1841
1842 switch (msg_type) {
1843 case TA_CONFIRM_TYPE:
1844 return rsi_handle_ta_confirm_type(common, msg);
1845 case CARD_READY_IND:
1846 common->hibernate_resume = false;
1847 rsi_dbg(FSM_ZONE, "%s: Card ready indication received\n",
1848 __func__);
1849 return rsi_handle_card_ready(common, msg);
1850 case TX_STATUS_IND:
1851 switch (msg[RSI_TX_STATUS_TYPE]) {
1852 case PROBEREQ_CONFIRM:
1853 common->mgmt_q_block = false;
1854 rsi_dbg(FSM_ZONE, "%s: Probe confirm received\n",
1855 __func__);
1856 break;
1857 case EAPOL4_CONFIRM:
1858 if (msg[RSI_TX_STATUS]) {
1859 common->eapol4_confirm = true;
1860 if (!rsi_send_block_unblock_frame(common,
1861 false))
1862 common->hw_data_qs_blocked = false;
1863 }
1864 }
1865 break;
1866 case BEACON_EVENT_IND:
1867 rsi_dbg(INFO_ZONE, "Beacon event\n");
1868 if (common->fsm_state != FSM_MAC_INIT_DONE)
1869 return -1;
1870 if (common->iface_down)
1871 return -1;
1872 if (!common->beacon_enabled)
1873 return -1;
1874 rsi_send_beacon(common);
1875 break;
1876 case RX_DOT11_MGMT:
1877 return rsi_mgmt_pkt_to_core(common, msg, msg_len);
1878 default:
1879 rsi_dbg(INFO_ZONE, "Received packet type: 0x%x\n", msg_type);
1880 }
1881 return 0;
1882 }
Linux with added FPC-III support