projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
b43legacy: move under broadcom vendor directory
[deliverable/linux.git] / drivers / net / wireless / brcm80211 / brcmsmac / mac80211_if.c
CommitLineData
5b435de0
AS		 1/*
2 * Copyright (c) 2010 Broadcom Corporation
af44e258 3 * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de>
5b435de0
AS		 4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
12 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
14 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
15 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#define __UNDEF_NO_VERSION__
02f77195 19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
5b435de0
AS		 20
21#include <linux/etherdevice.h>
5b435de0
AS		 22#include <linux/sched.h>
23#include <linux/firmware.h>
24#include <linux/interrupt.h>
45296236 25#include <linux/module.h>
2e756560 26#include <linux/bcma/bcma.h>
5b435de0
AS		 27#include <net/mac80211.h>
28#include <defs.h>
5b435de0
AS		 29#include "phy/phy_int.h"
30#include "d11.h"
31#include "channel.h"
32#include "scb.h"
33#include "pub.h"
34#include "ucode_loader.h"
35#include "mac80211_if.h"
36#include "main.h"
b353dda4 37#include "debug.h"
cd864522 38#include "led.h"
5b435de0
AS		 39
40#define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
7b2385b9 41#define BRCMS_FLUSH_TIMEOUT 500 /* msec */
5b435de0
AS		 42
43/* Flags we support */
df140465 44#define MAC_FILTERS (FIF_ALLMULTI | \
5b435de0 45 FIF_FCSFAIL | \
5b435de0
AS		 46 FIF_CONTROL | \
47 FIF_OTHER_BSS | \
be667669
AB		 48 FIF_BCN_PRBRESP_PROMISC | \
49 FIF_PSPOLL)
5b435de0
AS		 50
51#define CHAN2GHZ(channel, freqency, chflags) { \
52 .band = IEEE80211_BAND_2GHZ, \
53 .center_freq = (freqency), \
54 .hw_value = (channel), \
55 .flags = chflags, \
56 .max_antenna_gain = 0, \
57 .max_power = 19, \
58}
59
60#define CHAN5GHZ(channel, chflags) { \
61 .band = IEEE80211_BAND_5GHZ, \
62 .center_freq = 5000 + 5*(channel), \
63 .hw_value = (channel), \
64 .flags = chflags, \
65 .max_antenna_gain = 0, \
66 .max_power = 21, \
67}
68
69#define RATE(rate100m, _flags) { \
70 .bitrate = (rate100m), \
71 .flags = (_flags), \
72 .hw_value = (rate100m / 5), \
73}
74
75struct firmware_hdr {
76 __le32 offset;
77 __le32 len;
78 __le32 idx;
79};
80
81static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
82 "brcm/bcm43xx",
83 NULL
84};
85
86static int n_adapters_found;
87
88MODULE_AUTHOR("Broadcom Corporation");
89MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
90MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
91MODULE_LICENSE("Dual BSD/GPL");
faa97bd4
JM		 92/* This needs to be adjusted when brcms_firmwares changes */
93MODULE_FIRMWARE("brcm/bcm43xx-0.fw");
94MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw");
5b435de0 95
2e756560
AS		 96/* recognized BCMA Core IDs */
97static struct bcma_device_id brcms_coreid_table[] = {
6f80f014 98 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS),
eb032f03
AS		 99 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS),
100 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS),
f7219b52 101 {},
2e756560
AS		 102};
103MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
5b435de0 104
b0341744
SF		 105#if defined(CONFIG_BRCMDBG)
106/*
107 * Module parameter for setting the debug message level. Available
108 * flags are specified by the BRCM_DL_* macros in
109 * drivers/net/wireless/brcm80211/include/defs.h.
110 */
111module_param_named(debug, brcm_msg_level, uint, S_IRUGO | S_IWUSR);
112#endif
5b435de0
AS		 113
114static struct ieee80211_channel brcms_2ghz_chantable[] = {
115 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
116 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
117 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
118 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
119 CHAN2GHZ(5, 2432, 0),
120 CHAN2GHZ(6, 2437, 0),
121 CHAN2GHZ(7, 2442, 0),
122 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
123 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
124 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
125 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
126 CHAN2GHZ(12, 2467,
8fe02e16 127 IEEE80211_CHAN_NO_IR |
5b435de0
AS		 128 IEEE80211_CHAN_NO_HT40PLUS),
129 CHAN2GHZ(13, 2472,
8fe02e16 130 IEEE80211_CHAN_NO_IR |
5b435de0
AS		 131 IEEE80211_CHAN_NO_HT40PLUS),
132 CHAN2GHZ(14, 2484,
8fe02e16 133 IEEE80211_CHAN_NO_IR |
7f38e5bc
SF		 134 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS |
135 IEEE80211_CHAN_NO_OFDM)
5b435de0
AS		 136};
137
138static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
139 /* UNII-1 */
140 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
141 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
142 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
143 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
144 /* UNII-2 */
145 CHAN5GHZ(52,
8fe02e16
LR		 146 IEEE80211_CHAN_RADAR |
147 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 148 CHAN5GHZ(56,
8fe02e16
LR		 149 IEEE80211_CHAN_RADAR |
150 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0 151 CHAN5GHZ(60,
8fe02e16
LR		 152 IEEE80211_CHAN_RADAR |
153 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 154 CHAN5GHZ(64,
8fe02e16
LR		 155 IEEE80211_CHAN_RADAR |
156 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0
AS		 157 /* MID */
158 CHAN5GHZ(100,
8fe02e16
LR		 159 IEEE80211_CHAN_RADAR |
160 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 161 CHAN5GHZ(104,
8fe02e16
LR		 162 IEEE80211_CHAN_RADAR |
163 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0 164 CHAN5GHZ(108,
8fe02e16
LR		 165 IEEE80211_CHAN_RADAR |
166 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 167 CHAN5GHZ(112,
8fe02e16
LR		 168 IEEE80211_CHAN_RADAR |
169 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0 170 CHAN5GHZ(116,
8fe02e16
LR		 171 IEEE80211_CHAN_RADAR |
172 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 173 CHAN5GHZ(120,
8fe02e16
LR		 174 IEEE80211_CHAN_RADAR |
175 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0 176 CHAN5GHZ(124,
8fe02e16
LR		 177 IEEE80211_CHAN_RADAR |
178 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 179 CHAN5GHZ(128,
8fe02e16
LR		 180 IEEE80211_CHAN_RADAR |
181 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0 182 CHAN5GHZ(132,
8fe02e16
LR		 183 IEEE80211_CHAN_RADAR |
184 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
5b435de0 185 CHAN5GHZ(136,
8fe02e16
LR		 186 IEEE80211_CHAN_RADAR |
187 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
5b435de0 188 CHAN5GHZ(140,
8fe02e16
LR		 189 IEEE80211_CHAN_RADAR |
190 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS |
5b435de0
AS		 191 IEEE80211_CHAN_NO_HT40MINUS),
192 /* UNII-3 */
193 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
194 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
195 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
196 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
197 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
198};
199
200/*
201 * The rate table is used for both 2.4G and 5G rates. The
202 * latter being a subset as it does not support CCK rates.
203 */
204static struct ieee80211_rate legacy_ratetable[] = {
205 RATE(10, 0),
206 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
207 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
208 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
209 RATE(60, 0),
210 RATE(90, 0),
211 RATE(120, 0),
212 RATE(180, 0),
213 RATE(240, 0),
214 RATE(360, 0),
215 RATE(480, 0),
216 RATE(540, 0),
217};
218
219static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
220 .band = IEEE80211_BAND_2GHZ,
221 .channels = brcms_2ghz_chantable,
222 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
223 .bitrates = legacy_ratetable,
224 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
225 .ht_cap = {
226 /* from include/linux/ieee80211.h */
227 .cap = IEEE80211_HT_CAP_GRN_FLD |
6b1a89af 228 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
5b435de0
AS		 229 .ht_supported = true,
230 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
231 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
232 .mcs = {
233 /* placeholders for now */
234 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
235 .rx_highest = cpu_to_le16(500),
236 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
237 }
238};
239
240static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
241 .band = IEEE80211_BAND_5GHZ,
242 .channels = brcms_5ghz_nphy_chantable,
243 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
244 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
245 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
246 BRCMS_LEGACY_5G_RATE_OFFSET,
247 .ht_cap = {
248 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
6b1a89af 249 IEEE80211_HT_CAP_SGI_40,
5b435de0
AS		 250 .ht_supported = true,
251 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
252 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
253 .mcs = {
254 /* placeholders for now */
255 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
256 .rx_highest = cpu_to_le16(500),
257 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
258 }
259};
260
261/* flags the given rate in rateset as requested */
262static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
263{
264 u32 i;
265
266 for (i = 0; i < rs->count; i++) {
267 if (rate != (rs->rates[i] & 0x7f))
268 continue;
269
270 if (is_br)
271 rs->rates[i] |= BRCMS_RATE_FLAG;
272 else
273 rs->rates[i] &= BRCMS_RATE_MASK;
274 return;
275 }
276}
277
25b5632f
AS		 278/**
279 * This function frees the WL per-device resources.
280 *
281 * This function frees resources owned by the WL device pointed to
282 * by the wl parameter.
283 *
284 * precondition: can both be called locked and unlocked
285 *
286 */
287static void brcms_free(struct brcms_info *wl)
288{
289 struct brcms_timer *t, *next;
290
291 /* free ucode data */
292 if (wl->fw.fw_cnt)
293 brcms_ucode_data_free(&wl->ucode);
294 if (wl->irq)
295 free_irq(wl->irq, wl);
296
297 /* kill dpc */
298 tasklet_kill(&wl->tasklet);
299
300 if (wl->pub) {
301 brcms_debugfs_detach(wl->pub);
302 brcms_c_module_unregister(wl->pub, "linux", wl);
303 }
304
305 /* free common resources */
306 if (wl->wlc) {
307 brcms_c_detach(wl->wlc);
308 wl->wlc = NULL;
309 wl->pub = NULL;
310 }
311
312 /* virtual interface deletion is deferred so we cannot spinwait */
313
314 /* wait for all pending callbacks to complete */
315 while (atomic_read(&wl->callbacks) > 0)
316 schedule();
317
318 /* free timers */
319 for (t = wl->timers; t; t = next) {
320 next = t->next;
321#ifdef DEBUG
322 kfree(t->name);
323#endif
324 kfree(t);
325 }
326}
327
328/*
329* called from both kernel as from this kernel module (error flow on attach)
330* precondition: perimeter lock is not acquired.
331*/
332static void brcms_remove(struct bcma_device *pdev)
333{
334 struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
335 struct brcms_info *wl = hw->priv;
336
337 if (wl->wlc) {
d1497f21 338 brcms_led_unregister(wl);
25b5632f
AS		 339 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
340 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
341 ieee80211_unregister_hw(hw);
342 }
343
344 brcms_free(wl);
345
346 bcma_set_drvdata(pdev, NULL);
347 ieee80211_free_hw(hw);
348}
349
350/*
351 * Precondition: Since this function is called in brcms_pci_probe() context,
352 * no locking is required.
353 */
354static void brcms_release_fw(struct brcms_info *wl)
355{
356 int i;
357 for (i = 0; i < MAX_FW_IMAGES; i++) {
358 release_firmware(wl->fw.fw_bin[i]);
359 release_firmware(wl->fw.fw_hdr[i]);
360 }
361}
362
363/*
364 * Precondition: Since this function is called in brcms_pci_probe() context,
365 * no locking is required.
366 */
367static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
368{
369 int status;
370 struct device *device = &pdev->dev;
371 char fw_name[100];
372 int i;
373
374 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
375 for (i = 0; i < MAX_FW_IMAGES; i++) {
376 if (brcms_firmwares[i] == NULL)
377 break;
378 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
379 UCODE_LOADER_API_VER);
380 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
381 if (status) {
382 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
383 KBUILD_MODNAME, fw_name);
384 return status;
385 }
386 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
387 UCODE_LOADER_API_VER);
388 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
389 if (status) {
390 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
391 KBUILD_MODNAME, fw_name);
392 return status;
393 }
394 wl->fw.hdr_num_entries[i] =
395 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
396 }
397 wl->fw.fw_cnt = i;
398 status = brcms_ucode_data_init(wl, &wl->ucode);
399 brcms_release_fw(wl);
400 return status;
401}
402
36323f81
TH		 403static void brcms_ops_tx(struct ieee80211_hw *hw,
404 struct ieee80211_tx_control *control,
405 struct sk_buff *skb)
5b435de0
AS		 406{
407 struct brcms_info *wl = hw->priv;
644e8c07 408 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
5b435de0
AS		 409
410 spin_lock_bh(&wl->lock);
411 if (!wl->pub->up) {
b353dda4 412 brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n");
5b435de0
AS		 413 kfree_skb(skb);
414 goto done;
415 }
c4dea35e
PH		 416 if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw))
417 tx_info->rate_driver_data[0] = control->sta;
5b435de0
AS		 418 done:
419 spin_unlock_bh(&wl->lock);
420}
421
422static int brcms_ops_start(struct ieee80211_hw *hw)
423{
424 struct brcms_info *wl = hw->priv;
425 bool blocked;
2646c46d 426 int err;
5b435de0 427
8fc1e8c2
EG		 428 if (!wl->ucode.bcm43xx_bomminor) {
429 err = brcms_request_fw(wl, wl->wlc->hw->d11core);
430 if (err)
431 return -ENOENT;
432 }
433
5b435de0
AS		 434 ieee80211_wake_queues(hw);
435 spin_lock_bh(&wl->lock);
436 blocked = brcms_rfkill_set_hw_state(wl);
437 spin_unlock_bh(&wl->lock);
438 if (!blocked)
439 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
440
2646c46d 441 spin_lock_bh(&wl->lock);
dc460127
RV		 442 /* avoid acknowledging frames before a non-monitor device is added */
443 wl->mute_tx = true;
444
2646c46d 445 if (!wl->pub->up)
82d8eba3
PH		 446 if (!blocked)
447 err = brcms_up(wl);
448 else
449 err = -ERFKILL;
2646c46d
RV		 450 else
451 err = -ENODEV;
452 spin_unlock_bh(&wl->lock);
453
454 if (err != 0)
b353dda4
SF		 455 brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
456 __func__, err);
c7515d23
AS		 457
458 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true);
2646c46d 459 return err;
5b435de0
AS		 460}
461
462static void brcms_ops_stop(struct ieee80211_hw *hw)
463{
2646c46d
RV		 464 struct brcms_info *wl = hw->priv;
465 int status;
466
5b435de0 467 ieee80211_stop_queues(hw);
2646c46d
RV		 468
469 if (wl->wlc == NULL)
470 return;
471
472 spin_lock_bh(&wl->lock);
cacaa64b 473 status = brcms_c_chipmatch(wl->wlc->hw->d11core);
2646c46d
RV		 474 spin_unlock_bh(&wl->lock);
475 if (!status) {
b353dda4 476 brcms_err(wl->wlc->hw->d11core,
2646c46d
RV		 477 "wl: brcms_ops_stop: chipmatch failed\n");
478 return;
479 }
480
c7515d23
AS		 481 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false);
482
2646c46d
RV		 483 /* put driver in down state */
484 spin_lock_bh(&wl->lock);
485 brcms_down(wl);
486 spin_unlock_bh(&wl->lock);
5b435de0
AS		 487}
488
489static int
490brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
491{
dc460127
RV		 492 struct brcms_info *wl = hw->priv;
493
c55b3766 494 /* Just STA, AP and ADHOC for now */
492b71e8 495 if (vif->type != NL80211_IFTYPE_STATION &&
c55b3766
HM		 496 vif->type != NL80211_IFTYPE_AP &&
497 vif->type != NL80211_IFTYPE_ADHOC) {
b353dda4 498 brcms_err(wl->wlc->hw->d11core,
c55b3766 499 "%s: Attempt to add type %d, only STA, AP and AdHoc for now\n",
b353dda4 500 __func__, vif->type);
5b435de0
AS		 501 return -EOPNOTSUPP;
502 }
503
66578c0a 504 spin_lock_bh(&wl->lock);
dc460127
RV		 505 wl->mute_tx = false;
506 brcms_c_mute(wl->wlc, false);
70268ce2
HM		 507 if (vif->type == NL80211_IFTYPE_STATION)
508 brcms_c_start_station(wl->wlc, vif->addr);
492b71e8
HM		 509 else if (vif->type == NL80211_IFTYPE_AP)
510 brcms_c_start_ap(wl->wlc, vif->addr, vif->bss_conf.bssid,
511 vif->bss_conf.ssid, vif->bss_conf.ssid_len);
c55b3766
HM		 512 else if (vif->type == NL80211_IFTYPE_ADHOC)
513 brcms_c_start_adhoc(wl->wlc, vif->addr);
66578c0a 514 spin_unlock_bh(&wl->lock);
dc460127 515
2646c46d 516 return 0;
5b435de0
AS		 517}
518
519static void
520brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
521{
5b435de0
AS		 522}
523
524static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
525{
526 struct ieee80211_conf *conf = &hw->conf;
527 struct brcms_info *wl = hw->priv;
b353dda4 528 struct bcma_device *core = wl->wlc->hw->d11core;
5b435de0
AS		 529 int err = 0;
530 int new_int;
5b435de0
AS		 531
532 spin_lock_bh(&wl->lock);
533 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
534 brcms_c_set_beacon_listen_interval(wl->wlc,
535 conf->listen_interval);
536 }
537 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
b353dda4
SF		 538 brcms_dbg_info(core, "%s: change monitor mode: %s\n",
539 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
540 "true" : "false");
5b435de0 541 if (changed & IEEE80211_CONF_CHANGE_PS)
b353dda4 542 brcms_err(core, "%s: change power-save mode: %s (implement)\n",
5b435de0
AS		 543 __func__, conf->flags & IEEE80211_CONF_PS ?
544 "true" : "false");
545
546 if (changed & IEEE80211_CONF_CHANGE_POWER) {
547 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
548 if (err < 0) {
b353dda4 549 brcms_err(core, "%s: Error setting power_level\n",
5b435de0
AS		 550 __func__);
551 goto config_out;
552 }
553 new_int = brcms_c_get_tx_power(wl->wlc);
554 if (new_int != conf->power_level)
b353dda4
SF		 555 brcms_err(core,
556 "%s: Power level req != actual, %d %d\n",
557 __func__, conf->power_level,
5b435de0
AS		 558 new_int);
559 }
560 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
675a0b04
KB		 561 if (conf->chandef.width == NL80211_CHAN_WIDTH_20 ||
562 conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
5b435de0 563 err = brcms_c_set_channel(wl->wlc,
675a0b04 564 conf->chandef.chan->hw_value);
5b435de0
AS		 565 else
566 err = -ENOTSUPP;
567 }
568 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
569 err = brcms_c_set_rate_limit(wl->wlc,
570 conf->short_frame_max_tx_count,
571 conf->long_frame_max_tx_count);
572
573 config_out:
574 spin_unlock_bh(&wl->lock);
575 return err;
576}
577
578static void
579brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
580 struct ieee80211_vif *vif,
581 struct ieee80211_bss_conf *info, u32 changed)
582{
583 struct brcms_info *wl = hw->priv;
b353dda4 584 struct bcma_device *core = wl->wlc->hw->d11core;
5b435de0
AS		 585
586 if (changed & BSS_CHANGED_ASSOC) {
587 /* association status changed (associated/disassociated)
588 * also implies a change in the AID.
589 */
b353dda4 590 brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME,
5b435de0
AS		 591 __func__, info->assoc ? "" : "dis");
592 spin_lock_bh(&wl->lock);
593 brcms_c_associate_upd(wl->wlc, info->assoc);
594 spin_unlock_bh(&wl->lock);
595 }
596 if (changed & BSS_CHANGED_ERP_SLOT) {
597 s8 val;
598
599 /* slot timing changed */
600 if (info->use_short_slot)
601 val = 1;
602 else
603 val = 0;
604 spin_lock_bh(&wl->lock);
605 brcms_c_set_shortslot_override(wl->wlc, val);
606 spin_unlock_bh(&wl->lock);
607 }
608
609 if (changed & BSS_CHANGED_HT) {
610 /* 802.11n parameters changed */
611 u16 mode = info->ht_operation_mode;
612
613 spin_lock_bh(&wl->lock);
614 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
615 mode & IEEE80211_HT_OP_MODE_PROTECTION);
616 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
617 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
618 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
619 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
620 spin_unlock_bh(&wl->lock);
621 }
622 if (changed & BSS_CHANGED_BASIC_RATES) {
623 struct ieee80211_supported_band *bi;
624 u32 br_mask, i;
625 u16 rate;
626 struct brcm_rateset rs;
627 int error;
628
629 /* retrieve the current rates */
630 spin_lock_bh(&wl->lock);
631 brcms_c_get_current_rateset(wl->wlc, &rs);
632 spin_unlock_bh(&wl->lock);
633
634 br_mask = info->basic_rates;
635 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
636 for (i = 0; i < bi->n_bitrates; i++) {
637 /* convert to internal rate value */
638 rate = (bi->bitrates[i].bitrate << 1) / 10;
639
640 /* set/clear basic rate flag */
641 brcms_set_basic_rate(&rs, rate, br_mask & 1);
642 br_mask >>= 1;
643 }
644
645 /* update the rate set */
646 spin_lock_bh(&wl->lock);
647 error = brcms_c_set_rateset(wl->wlc, &rs);
648 spin_unlock_bh(&wl->lock);
649 if (error)
b353dda4 650 brcms_err(core, "changing basic rates failed: %d\n",
5b435de0
AS		 651 error);
652 }
653 if (changed & BSS_CHANGED_BEACON_INT) {
654 /* Beacon interval changed */
655 spin_lock_bh(&wl->lock);
656 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
657 spin_unlock_bh(&wl->lock);
658 }
659 if (changed & BSS_CHANGED_BSSID) {
660 /* BSSID changed, for whatever reason (IBSS and managed mode) */
661 spin_lock_bh(&wl->lock);
662 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
663 spin_unlock_bh(&wl->lock);
664 }
c031df31
HM		 665 if (changed & BSS_CHANGED_SSID) {
666 /* BSSID changed, for whatever reason (IBSS and managed mode) */
667 spin_lock_bh(&wl->lock);
668 brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len);
669 spin_unlock_bh(&wl->lock);
670 }
af44e258 671 if (changed & BSS_CHANGED_BEACON) {
5b435de0 672 /* Beacon data changed, retrieve new beacon (beaconing modes) */
af44e258
HM		 673 struct sk_buff *beacon;
674 u16 tim_offset = 0;
675
676 spin_lock_bh(&wl->lock);
677 beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL);
678 brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
679 info->dtim_period);
680 spin_unlock_bh(&wl->lock);
681 }
5b435de0 682
5f1e59e5
HM		 683 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
684 struct sk_buff *probe_resp;
685
686 spin_lock_bh(&wl->lock);
687 probe_resp = ieee80211_proberesp_get(hw, vif);
688 brcms_c_set_new_probe_resp(wl->wlc, probe_resp);
689 spin_unlock_bh(&wl->lock);
690 }
691
5b435de0
AS		 692 if (changed & BSS_CHANGED_BEACON_ENABLED) {
693 /* Beaconing should be enabled/disabled (beaconing modes) */
b353dda4 694 brcms_err(core, "%s: Beacon enabled: %s\n", __func__,
5b435de0 695 info->enable_beacon ? "true" : "false");
04d2e422
HM		 696 if (info->enable_beacon &&
697 hw->wiphy->flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) {
698 brcms_c_enable_probe_resp(wl->wlc, true);
699 } else {
700 brcms_c_enable_probe_resp(wl->wlc, false);
701 }
5b435de0
AS		 702 }
703
704 if (changed & BSS_CHANGED_CQM) {
705 /* Connection quality monitor config changed */
b353dda4 706 brcms_err(core, "%s: cqm change: threshold %d, hys %d "
5b435de0
AS		 707 " (implement)\n", __func__, info->cqm_rssi_thold,
708 info->cqm_rssi_hyst);
709 }
710
711 if (changed & BSS_CHANGED_IBSS) {
712 /* IBSS join status changed */
b353dda4
SF		 713 brcms_err(core, "%s: IBSS joined: %s (implement)\n",
714 __func__, info->ibss_joined ? "true" : "false");
5b435de0
AS		 715 }
716
717 if (changed & BSS_CHANGED_ARP_FILTER) {
718 /* Hardware ARP filter address list or state changed */
0f19b41e
JB		 719 brcms_err(core, "%s: arp filtering: %d addresses"
720 " (implement)\n", __func__, info->arp_addr_cnt);
5b435de0
AS		 721 }
722
723 if (changed & BSS_CHANGED_QOS) {
724 /*
725 * QoS for this association was enabled/disabled.
726 * Note that it is only ever disabled for station mode.
727 */
b353dda4
SF		 728 brcms_err(core, "%s: qos enabled: %s (implement)\n",
729 __func__, info->qos ? "true" : "false");
5b435de0
AS		 730 }
731 return;
732}
733
734static void
735brcms_ops_configure_filter(struct ieee80211_hw *hw,
736 unsigned int changed_flags,
737 unsigned int *total_flags, u64 multicast)
738{
739 struct brcms_info *wl = hw->priv;
b353dda4 740 struct bcma_device *core = wl->wlc->hw->d11core;
5b435de0
AS		 741
742 changed_flags &= MAC_FILTERS;
743 *total_flags &= MAC_FILTERS;
be667669 744
5b435de0 745 if (changed_flags & FIF_ALLMULTI)
b353dda4 746 brcms_dbg_info(core, "FIF_ALLMULTI\n");
5b435de0 747 if (changed_flags & FIF_FCSFAIL)
ad667867 748 brcms_dbg_info(core, "FIF_FCSFAIL\n");
5b435de0 749 if (changed_flags & FIF_CONTROL)
b353dda4 750 brcms_dbg_info(core, "FIF_CONTROL\n");
5b435de0 751 if (changed_flags & FIF_OTHER_BSS)
b353dda4 752 brcms_dbg_info(core, "FIF_OTHER_BSS\n");
be667669 753 if (changed_flags & FIF_PSPOLL)
b353dda4 754 brcms_dbg_info(core, "FIF_PSPOLL\n");
be667669 755 if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
b353dda4 756 brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n");
be667669
AB		 757
758 spin_lock_bh(&wl->lock);
759 brcms_c_mac_promisc(wl->wlc, *total_flags);
760 spin_unlock_bh(&wl->lock);
5b435de0
AS		 761 return;
762}
763
a344d677
JB		 764static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw,
765 struct ieee80211_vif *vif,
766 const u8 *mac_addr)
5b435de0
AS		 767{
768 struct brcms_info *wl = hw->priv;
769 spin_lock_bh(&wl->lock);
770 brcms_c_scan_start(wl->wlc);
771 spin_unlock_bh(&wl->lock);
772 return;
773}
774
a344d677
JB		 775static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw,
776 struct ieee80211_vif *vif)
5b435de0
AS		 777{
778 struct brcms_info *wl = hw->priv;
779 spin_lock_bh(&wl->lock);
780 brcms_c_scan_stop(wl->wlc);
781 spin_unlock_bh(&wl->lock);
782 return;
783}
784
785static int
786brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
787 const struct ieee80211_tx_queue_params *params)
788{
789 struct brcms_info *wl = hw->priv;
790
791 spin_lock_bh(&wl->lock);
792 brcms_c_wme_setparams(wl->wlc, queue, params, true);
793 spin_unlock_bh(&wl->lock);
794
795 return 0;
796}
797
798static int
799brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
800 struct ieee80211_sta *sta)
801{
802 struct brcms_info *wl = hw->priv;
803 struct scb *scb = &wl->wlc->pri_scb;
804
805 brcms_c_init_scb(scb);
806
807 wl->pub->global_ampdu = &(scb->scb_ampdu);
808 wl->pub->global_ampdu->scb = scb;
809 wl->pub->global_ampdu->max_pdu = 16;
810
5b435de0
AS		 811 /*
812 * minstrel_ht initiates addBA on our behalf by calling
813 * ieee80211_start_tx_ba_session()
814 */
815 return 0;
816}
817
818static int
819brcms_ops_ampdu_action(struct ieee80211_hw *hw,
820 struct ieee80211_vif *vif,
821 enum ieee80211_ampdu_mlme_action action,
822 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
e3abc8ff 823 u8 buf_size, bool amsdu)
5b435de0
AS		 824{
825 struct brcms_info *wl = hw->priv;
826 struct scb *scb = &wl->wlc->pri_scb;
827 int status;
828
829 if (WARN_ON(scb->magic != SCB_MAGIC))
830 return -EIDRM;
831 switch (action) {
832 case IEEE80211_AMPDU_RX_START:
833 break;
834 case IEEE80211_AMPDU_RX_STOP:
835 break;
836 case IEEE80211_AMPDU_TX_START:
837 spin_lock_bh(&wl->lock);
838 status = brcms_c_aggregatable(wl->wlc, tid);
839 spin_unlock_bh(&wl->lock);
840 if (!status) {
b353dda4
SF		 841 brcms_err(wl->wlc->hw->d11core,
842 "START: tid %d is not agg\'able\n", tid);
5b435de0
AS		 843 return -EINVAL;
844 }
845 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
846 break;
847
18b559d5
JB		 848 case IEEE80211_AMPDU_TX_STOP_CONT:
849 case IEEE80211_AMPDU_TX_STOP_FLUSH:
850 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
5b435de0
AS		 851 spin_lock_bh(&wl->lock);
852 brcms_c_ampdu_flush(wl->wlc, sta, tid);
853 spin_unlock_bh(&wl->lock);
854 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
855 break;
856 case IEEE80211_AMPDU_TX_OPERATIONAL:
857 /*
858 * BA window size from ADDBA response ('buf_size') defines how
859 * many outstanding MPDUs are allowed for the BA stream by
860 * recipient and traffic class. 'ampdu_factor' gives maximum
861 * AMPDU size.
862 */
863 spin_lock_bh(&wl->lock);
864 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
865 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
866 sta->ht_cap.ampdu_factor)) - 1);
867 spin_unlock_bh(&wl->lock);
868 /* Power save wakeup */
869 break;
870 default:
b353dda4
SF		 871 brcms_err(wl->wlc->hw->d11core,
872 "%s: Invalid command, ignoring\n", __func__);
5b435de0
AS		 873 }
874
875 return 0;
876}
877
878static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
879{
880 struct brcms_info *wl = hw->priv;
881 bool blocked;
882
883 spin_lock_bh(&wl->lock);
884 blocked = brcms_c_check_radio_disabled(wl->wlc);
885 spin_unlock_bh(&wl->lock);
886
887 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
888}
889
7b2385b9
AS		 890static bool brcms_tx_flush_completed(struct brcms_info *wl)
891{
892 bool result;
893
894 spin_lock_bh(&wl->lock);
895 result = brcms_c_tx_flush_completed(wl->wlc);
896 spin_unlock_bh(&wl->lock);
897 return result;
898}
899
77be2c54
EG		 900static void brcms_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
901 u32 queues, bool drop)
5b435de0
AS		 902{
903 struct brcms_info *wl = hw->priv;
7b2385b9 904 int ret;
5b435de0
AS		 905
906 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
907
7b2385b9
AS		 908 ret = wait_event_timeout(wl->tx_flush_wq,
909 brcms_tx_flush_completed(wl),
910 msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
911
912 brcms_dbg_mac80211(wl->wlc->hw->d11core,
913 "ret=%d\n", jiffies_to_msecs(ret));
5b435de0
AS		 914}
915
39b2d36c
HM		 916static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
917{
918 struct brcms_info *wl = hw->priv;
919 u64 tsf;
920
921 spin_lock_bh(&wl->lock);
922 tsf = brcms_c_tsf_get(wl->wlc);
923 spin_unlock_bh(&wl->lock);
924
925 return tsf;
926}
927
928static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
929 struct ieee80211_vif *vif, u64 tsf)
930{
931 struct brcms_info *wl = hw->priv;
932
933 spin_lock_bh(&wl->lock);
934 brcms_c_tsf_set(wl->wlc, tsf);
935 spin_unlock_bh(&wl->lock);
936}
937
5b435de0
AS		 938static const struct ieee80211_ops brcms_ops = {
939 .tx = brcms_ops_tx,
940 .start = brcms_ops_start,
941 .stop = brcms_ops_stop,
942 .add_interface = brcms_ops_add_interface,
943 .remove_interface = brcms_ops_remove_interface,
944 .config = brcms_ops_config,
945 .bss_info_changed = brcms_ops_bss_info_changed,
946 .configure_filter = brcms_ops_configure_filter,
947 .sw_scan_start = brcms_ops_sw_scan_start,
948 .sw_scan_complete = brcms_ops_sw_scan_complete,
949 .conf_tx = brcms_ops_conf_tx,
950 .sta_add = brcms_ops_sta_add,
951 .ampdu_action = brcms_ops_ampdu_action,
952 .rfkill_poll = brcms_ops_rfkill_poll,
953 .flush = brcms_ops_flush,
39b2d36c
HM		 954 .get_tsf = brcms_ops_get_tsf,
955 .set_tsf = brcms_ops_set_tsf,
5b435de0
AS		 956};
957
5b435de0
AS		 958void brcms_dpc(unsigned long data)
959{
960 struct brcms_info *wl;
961
962 wl = (struct brcms_info *) data;
963
964 spin_lock_bh(&wl->lock);
965
966 /* call the common second level interrupt handler */
967 if (wl->pub->up) {
968 if (wl->resched) {
969 unsigned long flags;
970
971 spin_lock_irqsave(&wl->isr_lock, flags);
972 brcms_c_intrsupd(wl->wlc);
973 spin_unlock_irqrestore(&wl->isr_lock, flags);
974 }
975
976 wl->resched = brcms_c_dpc(wl->wlc, true);
977 }
978
979 /* brcms_c_dpc() may bring the driver down */
980 if (!wl->pub->up)
981 goto done;
982
983 /* re-schedule dpc */
984 if (wl->resched)
985 tasklet_schedule(&wl->tasklet);
986 else
987 /* re-enable interrupts */
988 brcms_intrson(wl);
989
990 done:
991 spin_unlock_bh(&wl->lock);
7b2385b9 992 wake_up(&wl->tx_flush_wq);
5b435de0
AS		 993}
994
5b435de0
AS		 995static irqreturn_t brcms_isr(int irq, void *dev_id)
996{
997 struct brcms_info *wl;
94d9902d 998 irqreturn_t ret = IRQ_NONE;
5b435de0
AS		 999
1000 wl = (struct brcms_info *) dev_id;
1001
1002 spin_lock(&wl->isr_lock);
1003
1004 /* call common first level interrupt handler */
94d9902d
PH		 1005 if (brcms_c_isr(wl->wlc)) {
1006 /* schedule second level handler */
1007 tasklet_schedule(&wl->tasklet);
1008 ret = IRQ_HANDLED;
5b435de0
AS		 1009 }
1010
1011 spin_unlock(&wl->isr_lock);
1012
94d9902d 1013 return ret;
5b435de0
AS		 1014}
1015
1016/*
1017 * is called in brcms_pci_probe() context, therefore no locking required.
1018 */
1019static int ieee_hw_rate_init(struct ieee80211_hw *hw)
1020{
1021 struct brcms_info *wl = hw->priv;
1022 struct brcms_c_info *wlc = wl->wlc;
1023 struct ieee80211_supported_band *band;
1024 int has_5g = 0;
1025 u16 phy_type;
1026
1027 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
1028 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1029
1030 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
1031 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1032 band = &wlc->bandstate[BAND_2G_INDEX]->band;
1033 *band = brcms_band_2GHz_nphy_template;
1034 if (phy_type == PHY_TYPE_LCN) {
1035 /* Single stream */
1036 band->ht_cap.mcs.rx_mask[1] = 0;
df4492f8 1037 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
5b435de0
AS		 1038 }
1039 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
1040 } else {
1041 return -EPERM;
1042 }
1043
1044 /* Assume all bands use the same phy. True for 11n devices. */
1045 if (wl->pub->_nbands > 1) {
1046 has_5g++;
1047 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1048 band = &wlc->bandstate[BAND_5G_INDEX]->band;
1049 *band = brcms_band_5GHz_nphy_template;
1050 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
1051 } else {
1052 return -EPERM;
1053 }
1054 }
1055 return 0;
1056}
1057
1058/*
1059 * is called in brcms_pci_probe() context, therefore no locking required.
1060 */
1061static int ieee_hw_init(struct ieee80211_hw *hw)
1062{
30686bf7
JB		 1063 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
1064 ieee80211_hw_set(hw, SIGNAL_DBM);
1065 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
5b435de0
AS		 1066
1067 hw->extra_tx_headroom = brcms_c_get_header_len();
1068 hw->queues = N_TX_QUEUES;
1069 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
1070
1071 /* channel change time is dependent on chip and band */
492b71e8 1072 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
c55b3766
HM		 1073 BIT(NL80211_IFTYPE_AP) |
1074 BIT(NL80211_IFTYPE_ADHOC);
5b435de0 1075
04d2e422
HM		 1076 /*
1077 * deactivate sending probe responses by ucude, because this will
1078 * cause problems when WPS is used.
1079 *
1080 * hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1081 */
5f1e59e5 1082
5b435de0
AS		 1083 hw->rate_control_algorithm = "minstrel_ht";
1084
1085 hw->sta_data_size = 0;
1086 return ieee_hw_rate_init(hw);
1087}
1088
1089/**
1090 * attach to the WL device.
1091 *
1092 * Attach to the WL device identified by vendor and device parameters.
1093 * regs is a host accessible memory address pointing to WL device registers.
1094 *
2e756560 1095 * is called in brcms_bcma_probe() context, therefore no locking required.
5b435de0 1096 */
2e756560 1097static struct brcms_info *brcms_attach(struct bcma_device *pdev)
5b435de0
AS		 1098{
1099 struct brcms_info *wl = NULL;
1100 int unit, err;
1101 struct ieee80211_hw *hw;
1102 u8 perm[ETH_ALEN];
1103
1104 unit = n_adapters_found;
1105 err = 0;
1106
1107 if (unit < 0)
1108 return NULL;
1109
1110 /* allocate private info */
2e756560 1111 hw = bcma_get_drvdata(pdev);
5b435de0
AS		 1112 if (hw != NULL)
1113 wl = hw->priv;
1114 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1115 return NULL;
1116 wl->wiphy = hw->wiphy;
1117
1118 atomic_set(&wl->callbacks, 0);
1119
7b2385b9
AS		 1120 init_waitqueue_head(&wl->tx_flush_wq);
1121
5b435de0
AS		 1122 /* setup the bottom half handler */
1123 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1124
5b435de0
AS		 1125 spin_lock_init(&wl->lock);
1126 spin_lock_init(&wl->isr_lock);
1127
5b435de0 1128 /* common load-time initialization */
b63337a0 1129 wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
5b435de0
AS		 1130 if (!wl->wlc) {
1131 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1132 KBUILD_MODNAME, err);
1133 goto fail;
1134 }
1135 wl->pub = brcms_c_pub(wl->wlc);
1136
1137 wl->pub->ieee_hw = hw;
1138
5b435de0 1139 /* register our interrupt handler */
00bcda40 1140 if (request_irq(pdev->irq, brcms_isr,
2e756560 1141 IRQF_SHARED, KBUILD_MODNAME, wl)) {
5b435de0
AS		 1142 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1143 goto fail;
1144 }
00bcda40 1145 wl->irq = pdev->irq;
5b435de0
AS		 1146
1147 /* register module */
1148 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1149
1150 if (ieee_hw_init(hw)) {
1151 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1152 __func__);
1153 goto fail;
1154 }
1155
cf03c5da
SF		 1156 brcms_c_regd_init(wl->wlc);
1157
5b435de0
AS		 1158 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1159 if (WARN_ON(!is_valid_ether_addr(perm)))
1160 goto fail;
1161 SET_IEEE80211_PERM_ADDR(hw, perm);
1162
1163 err = ieee80211_register_hw(hw);
1164 if (err)
1165 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1166 "%d\n", __func__, err);
1167
d597ee7e
AS		 1168 if (wl->pub->srom_ccode[0] &&
1169 regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
1170 wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
5b435de0 1171
8e21df23
PH		 1172 brcms_debugfs_attach(wl->pub);
1173 brcms_debugfs_create_files(wl->pub);
5b435de0
AS		 1174 n_adapters_found++;
1175 return wl;
1176
1177fail:
1178 brcms_free(wl);
1179 return NULL;
1180}
1181
1182
1183
1184/**
1185 * determines if a device is a WL device, and if so, attaches it.
1186 *
1187 * This function determines if a device pointed to by pdev is a WL device,
1188 * and if so, performs a brcms_attach() on it.
1189 *
1190 * Perimeter lock is initialized in the course of this function.
1191 */
fcff0c08 1192static int brcms_bcma_probe(struct bcma_device *pdev)
5b435de0 1193{
5b435de0
AS		 1194 struct brcms_info *wl;
1195 struct ieee80211_hw *hw;
5b435de0 1196
2e756560
AS		 1197 dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n",
1198 pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class,
00bcda40 1199 pdev->irq);
5b435de0 1200
2e756560
AS		 1201 if ((pdev->id.manuf != BCMA_MANUF_BCM) ||
1202 (pdev->id.id != BCMA_CORE_80211))
5b435de0 1203 return -ENODEV;
5b435de0
AS		 1204
1205 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1206 if (!hw) {
1207 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1208 return -ENOMEM;
1209 }
1210
1211 SET_IEEE80211_DEV(hw, &pdev->dev);
1212
2e756560 1213 bcma_set_drvdata(pdev, hw);
5b435de0
AS		 1214
1215 memset(hw->priv, 0, sizeof(*wl));
1216
2e756560 1217 wl = brcms_attach(pdev);
5b435de0 1218 if (!wl) {
02f77195 1219 pr_err("%s: brcms_attach failed!\n", __func__);
5b435de0
AS		 1220 return -ENODEV;
1221 }
cd864522
PH		 1222 brcms_led_register(wl);
1223
5b435de0
AS		 1224 return 0;
1225}
1226
7d5869e7 1227static int brcms_suspend(struct bcma_device *pdev)
5b435de0
AS		 1228{
1229 struct brcms_info *wl;
1230 struct ieee80211_hw *hw;
1231
2e756560 1232 hw = bcma_get_drvdata(pdev);
5b435de0
AS		 1233 wl = hw->priv;
1234 if (!wl) {
137dabed
AS		 1235 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
1236 __func__);
5b435de0
AS		 1237 return -ENODEV;
1238 }
1239
1240 /* only need to flag hw is down for proper resume */
1241 spin_lock_bh(&wl->lock);
1242 wl->pub->hw_up = false;
1243 spin_unlock_bh(&wl->lock);
1244
b353dda4 1245 brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
5b435de0 1246
2e756560
AS		 1247 return 0;
1248}
1249
1250static int brcms_resume(struct bcma_device *pdev)
1251{
7e9e7fa4 1252 return 0;
5b435de0
AS		 1253}
1254
2e756560 1255static struct bcma_driver brcms_bcma_driver = {
5b435de0 1256 .name = KBUILD_MODNAME,
2e756560 1257 .probe = brcms_bcma_probe,
5b435de0
AS		 1258 .suspend = brcms_suspend,
1259 .resume = brcms_resume,
fcff0c08 1260 .remove = brcms_remove,
2e756560 1261 .id_table = brcms_coreid_table,
5b435de0
AS		 1262};
1263
1264/**
2e756560 1265 * This is the main entry point for the brcmsmac driver.
5b435de0 1266 *
b0c359b2
AS		 1267 * This function is scheduled upon module initialization and
1268 * does the driver registration, which result in brcms_bcma_probe()
1269 * call resulting in the driver bringup.
5b435de0 1270 */
b0c359b2 1271static void brcms_driver_init(struct work_struct *work)
5b435de0 1272{
b0c359b2
AS		 1273 int error;
1274
1275 error = bcma_driver_register(&brcms_bcma_driver);
1276 if (error)
1277 pr_err("%s: register returned %d\n", __func__, error);
1278}
1279
1280static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
5b435de0 1281
b0c359b2
AS		 1282static int __init brcms_module_init(void)
1283{
8e21df23 1284 brcms_debugfs_init();
b0c359b2
AS		 1285 if (!schedule_work(&brcms_driver_work))
1286 return -EBUSY;
5b435de0 1287
b0c359b2 1288 return 0;
5b435de0
AS		 1289}
1290
1291/**
2e756560 1292 * This function unloads the brcmsmac driver from the system.
5b435de0 1293 *
2e756560 1294 * This function unconditionally unloads the brcmsmac driver module from the
5b435de0
AS		 1295 * system.
1296 *
1297 */
1298static void __exit brcms_module_exit(void)
1299{
b0c359b2 1300 cancel_work_sync(&brcms_driver_work);
2e756560 1301 bcma_driver_unregister(&brcms_bcma_driver);
8e21df23 1302 brcms_debugfs_exit();
5b435de0
AS		 1303}
1304
1305module_init(brcms_module_init);
1306module_exit(brcms_module_exit);
1307
1308/*
1309 * precondition: perimeter lock has been acquired
1310 */
1311void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1312 bool state, int prio)
1313{
b353dda4 1314 brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__);
5b435de0
AS		 1315}
1316
1317/*
1318 * precondition: perimeter lock has been acquired
1319 */
1320void brcms_init(struct brcms_info *wl)
1321{
b353dda4
SF		 1322 brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n",
1323 wl->pub->unit);
5b435de0 1324 brcms_reset(wl);
dc460127 1325 brcms_c_init(wl->wlc, wl->mute_tx);
5b435de0
AS		 1326}
1327
1328/*
1329 * precondition: perimeter lock has been acquired
1330 */
1331uint brcms_reset(struct brcms_info *wl)
1332{
b353dda4 1333 brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit);
5b435de0
AS		 1334 brcms_c_reset(wl->wlc);
1335
1336 /* dpc will not be rescheduled */
3db1cd5c 1337 wl->resched = false;
5b435de0 1338
ea2d2183
VZ		 1339 /* inform publicly that interface is down */
1340 wl->pub->up = false;
1341
5b435de0
AS		 1342 return 0;
1343}
1344
c261bdf8
RV		 1345void brcms_fatal_error(struct brcms_info *wl)
1346{
b353dda4 1347 brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n",
c261bdf8
RV		 1348 wl->wlc->pub->unit);
1349 brcms_reset(wl);
1350 ieee80211_restart_hw(wl->pub->ieee_hw);
1351}
1352
5b435de0
AS		 1353/*
1354 * These are interrupt on/off entry points. Disable interrupts
1355 * during interrupt state transition.
1356 */
1357void brcms_intrson(struct brcms_info *wl)
1358{
1359 unsigned long flags;
1360
1361 spin_lock_irqsave(&wl->isr_lock, flags);
1362 brcms_c_intrson(wl->wlc);
1363 spin_unlock_irqrestore(&wl->isr_lock, flags);
1364}
1365
1366u32 brcms_intrsoff(struct brcms_info *wl)
1367{
1368 unsigned long flags;
1369 u32 status;
1370
1371 spin_lock_irqsave(&wl->isr_lock, flags);
1372 status = brcms_c_intrsoff(wl->wlc);
1373 spin_unlock_irqrestore(&wl->isr_lock, flags);
1374 return status;
1375}
1376
1377void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1378{
1379 unsigned long flags;
1380
1381 spin_lock_irqsave(&wl->isr_lock, flags);
1382 brcms_c_intrsrestore(wl->wlc, macintmask);
1383 spin_unlock_irqrestore(&wl->isr_lock, flags);
1384}
1385
1386/*
1387 * precondition: perimeter lock has been acquired
1388 */
1389int brcms_up(struct brcms_info *wl)
1390{
1391 int error = 0;
1392
1393 if (wl->pub->up)
1394 return 0;
1395
1396 error = brcms_c_up(wl->wlc);
1397
1398 return error;
1399}
1400
1401/*
1402 * precondition: perimeter lock has been acquired
1403 */
1404void brcms_down(struct brcms_info *wl)
1405{
1406 uint callbacks, ret_val = 0;
1407
1408 /* call common down function */
1409 ret_val = brcms_c_down(wl->wlc);
1410 callbacks = atomic_read(&wl->callbacks) - ret_val;
1411
1412 /* wait for down callbacks to complete */
1413 spin_unlock_bh(&wl->lock);
1414
1415 /* For HIGH_only driver, it's important to actually schedule other work,
1416 * not just spin wait since everything runs at schedule level
1417 */
1418 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1419
1420 spin_lock_bh(&wl->lock);
1421}
1422
1423/*
1424* precondition: perimeter lock is not acquired
1425 */
2a7fc5b1 1426static void _brcms_timer(struct work_struct *work)
5b435de0 1427{
2a7fc5b1
RV		 1428 struct brcms_timer *t = container_of(work, struct brcms_timer,
1429 dly_wrk.work);
1430
5b435de0
AS		 1431 spin_lock_bh(&t->wl->lock);
1432
1433 if (t->set) {
1434 if (t->periodic) {
5b435de0 1435 atomic_inc(&t->wl->callbacks);
2a7fc5b1
RV		 1436 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1437 &t->dly_wrk,
1438 msecs_to_jiffies(t->ms));
1439 } else {
5b435de0 1440 t->set = false;
2a7fc5b1 1441 }
5b435de0
AS		 1442
1443 t->fn(t->arg);
1444 }
1445
1446 atomic_dec(&t->wl->callbacks);
1447
1448 spin_unlock_bh(&t->wl->lock);
1449}
1450
5b435de0
AS		 1451/*
1452 * Adds a timer to the list. Caller supplies a timer function.
1453 * Is called from wlc.
1454 *
1455 * precondition: perimeter lock has been acquired
1456 */
1457struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1458 void (*fn) (void *arg),
1459 void *arg, const char *name)
1460{
1461 struct brcms_timer *t;
1462
1463 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1464 if (!t)
1465 return NULL;
1466
2a7fc5b1 1467 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
5b435de0
AS		 1468 t->wl = wl;
1469 t->fn = fn;
1470 t->arg = arg;
1471 t->next = wl->timers;
1472 wl->timers = t;
1473
8ae74654 1474#ifdef DEBUG
77661208 1475 t->name = kstrdup(name, GFP_ATOMIC);
5b435de0
AS		 1476#endif
1477
1478 return t;
1479}
1480
1481/*
1482 * adds only the kernel timer since it's going to be more accurate
1483 * as well as it's easier to make it periodic
1484 *
1485 * precondition: perimeter lock has been acquired
1486 */
2a7fc5b1 1487void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
5b435de0 1488{
2a7fc5b1
RV		 1489 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1490
8ae74654 1491#ifdef DEBUG
5b435de0 1492 if (t->set)
b353dda4
SF		 1493 brcms_dbg_info(t->wl->wlc->hw->d11core,
1494 "%s: Already set. Name: %s, per %d\n",
1495 __func__, t->name, periodic);
5b435de0
AS		 1496#endif
1497 t->ms = ms;
1498 t->periodic = (bool) periodic;
01486c5a
PH		 1499 if (!t->set) {
1500 t->set = true;
1501 atomic_inc(&t->wl->callbacks);
1502 }
2a7fc5b1
RV		 1503
1504 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
5b435de0
AS		 1505}
1506
1507/*
1508 * return true if timer successfully deleted, false if still pending
1509 *
1510 * precondition: perimeter lock has been acquired
1511 */
be69c4ef 1512bool brcms_del_timer(struct brcms_timer *t)
5b435de0
AS		 1513{
1514 if (t->set) {
1515 t->set = false;
2a7fc5b1 1516 if (!cancel_delayed_work(&t->dly_wrk))
5b435de0
AS		 1517 return false;
1518
be69c4ef 1519 atomic_dec(&t->wl->callbacks);
5b435de0
AS		 1520 }
1521
1522 return true;
1523}
1524
1525/*
1526 * precondition: perimeter lock has been acquired
1527 */
be69c4ef 1528void brcms_free_timer(struct brcms_timer *t)
5b435de0 1529{
be69c4ef 1530 struct brcms_info *wl = t->wl;
5b435de0
AS		 1531 struct brcms_timer *tmp;
1532
1533 /* delete the timer in case it is active */
be69c4ef 1534 brcms_del_timer(t);
5b435de0
AS		 1535
1536 if (wl->timers == t) {
1537 wl->timers = wl->timers->next;
8ae74654 1538#ifdef DEBUG
5b435de0
AS		 1539 kfree(t->name);
1540#endif
1541 kfree(t);
1542 return;
1543
1544 }
1545
1546 tmp = wl->timers;
1547 while (tmp) {
1548 if (tmp->next == t) {
1549 tmp->next = t->next;
8ae74654 1550#ifdef DEBUG
5b435de0
AS		 1551 kfree(t->name);
1552#endif
1553 kfree(t);
1554 return;
1555 }
1556 tmp = tmp->next;
1557 }
1558
1559}
1560
1561/*
1562 * precondition: perimeter lock has been acquired
1563 */
1564int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1565{
1566 int i, entry;
1567 const u8 *pdata;
1568 struct firmware_hdr *hdr;
1569 for (i = 0; i < wl->fw.fw_cnt; i++) {
1570 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1571 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1572 entry++, hdr++) {
1573 u32 len = le32_to_cpu(hdr->len);
1574 if (le32_to_cpu(hdr->idx) == idx) {
1575 pdata = wl->fw.fw_bin[i]->data +
1576 le32_to_cpu(hdr->offset);
1f1d5289 1577 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
5b435de0
AS		 1578 if (*pbuf == NULL)
1579 goto fail;
1580
5b435de0
AS		 1581 return 0;
1582 }
1583 }
1584 }
b353dda4
SF		 1585 brcms_err(wl->wlc->hw->d11core,
1586 "ERROR: ucode buf tag:%d can not be found!\n", idx);
5b435de0
AS		 1587 *pbuf = NULL;
1588fail:
1589 return -ENODATA;
1590}
1591
1592/*
2e756560 1593 * Precondition: Since this function is called in brcms_bcma_probe() context,
5b435de0
AS		 1594 * no locking is required.
1595 */
1596int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1597{
1598 int i, entry;
1599 const u8 *pdata;
1600 struct firmware_hdr *hdr;
1601 for (i = 0; i < wl->fw.fw_cnt; i++) {
1602 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1603 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1604 entry++, hdr++) {
1605 if (le32_to_cpu(hdr->idx) == idx) {
1606 pdata = wl->fw.fw_bin[i]->data +
1607 le32_to_cpu(hdr->offset);
1608 if (le32_to_cpu(hdr->len) != 4) {
b353dda4 1609 brcms_err(wl->wlc->hw->d11core,
5b435de0
AS		 1610 "ERROR: fw hdr len\n");
1611 return -ENOMSG;
1612 }
1613 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1614 return 0;
1615 }
1616 }
1617 }
b353dda4
SF		 1618 brcms_err(wl->wlc->hw->d11core,
1619 "ERROR: ucode tag:%d can not be found!\n", idx);
5b435de0
AS		 1620 return -ENOMSG;
1621}
1622
1623/*
1624 * precondition: can both be called locked and unlocked
1625 */
1626void brcms_ucode_free_buf(void *p)
1627{
1628 kfree(p);
1629}
1630
1631/*
1632 * checks validity of all firmware images loaded from user space
1633 *
2e756560 1634 * Precondition: Since this function is called in brcms_bcma_probe() context,
5b435de0
AS		 1635 * no locking is required.
1636 */
1637int brcms_check_firmwares(struct brcms_info *wl)
1638{
1639 int i;
1640 int entry;
1641 int rc = 0;
1642 const struct firmware *fw;
1643 const struct firmware *fw_hdr;
1644 struct firmware_hdr *ucode_hdr;
1645 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1646 fw = wl->fw.fw_bin[i];
1647 fw_hdr = wl->fw.fw_hdr[i];
1648 if (fw == NULL && fw_hdr == NULL) {
1649 break;
1650 } else if (fw == NULL || fw_hdr == NULL) {
1651 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1652 __func__);
1653 rc = -EBADF;
1654 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1655 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1656 "size %zu/%zu\n", __func__, fw_hdr->size,
1657 sizeof(struct firmware_hdr));
1658 rc = -EBADF;
1659 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
b353dda4
SF		 1660 wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n",
1661 __func__, fw->size);
5b435de0
AS		 1662 rc = -EBADF;
1663 } else {
1664 /* check if ucode section overruns firmware image */
1665 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1666 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1667 !rc; entry++, ucode_hdr++) {
1668 if (le32_to_cpu(ucode_hdr->offset) +
1669 le32_to_cpu(ucode_hdr->len) >
1670 fw->size) {
1671 wiphy_err(wl->wiphy,
1672 "%s: conflicting bin/hdr\n",
1673 __func__);
1674 rc = -EBADF;
1675 }
1676 }
1677 }
1678 }
1679 if (rc == 0 && wl->fw.fw_cnt != i) {
1680 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1681 wl->fw.fw_cnt);
1682 rc = -EBADF;
1683 }
1684 return rc;
1685}
1686
1687/*
1688 * precondition: perimeter lock has been acquired
1689 */
1690bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1691{
1692 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1693
1694 spin_unlock_bh(&wl->lock);
1695 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1696 if (blocked)
1697 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1698 spin_lock_bh(&wl->lock);
1699 return blocked;
1700}
Linux kernel - Deliverables
This page took 0.483891 seconds and 5 git commands to generate.