2
* Copyright (c) 2010 Broadcom Corporation
4
* Permission to use, copy, modify, and/or distribute this software for any
5
* purpose with or without fee is hereby granted, provided that the above
6
* copyright notice and this permission notice appear in all copies.
8
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
#define __UNDEF_NO_VERSION__
19
#include <linux/kernel.h>
20
#include <linux/etherdevice.h>
21
#include <linux/string.h>
22
#include <linux/pci_ids.h>
24
#include <linux/module.h>
25
#include <linux/pci.h>
26
#include <linux/sched.h>
28
#define WLC_MAXBSSCFG 1 /* single BSS configs */
31
#include <net/mac80211.h>
32
#include <phy_version.h>
39
#include <wlc_channel.h>
43
#include <wl_export.h>
45
#include <wl_mac80211.h>
46
#include <linux/firmware.h>
48
#include <d11ucode_ext.h>
51
static void wl_timer(unsigned long data);
52
static void _wl_timer(wl_timer_t *t);
55
static int ieee_hw_init(struct ieee80211_hw *hw);
56
static int ieee_hw_rate_init(struct ieee80211_hw *hw);
58
static int wl_linux_watchdog(void *ctx);
60
/* Flags we support */
61
#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
67
FIF_BCN_PRBRESP_PROMISC)
71
struct ieee80211_tkip_data {
72
#define TKIP_KEY_LEN 32
88
u32 dot11RSNAStatsTKIPReplays;
89
u32 dot11RSNAStatsTKIPICVErrors;
90
u32 dot11RSNAStatsTKIPLocalMICFailures;
94
struct crypto_tfm *tfm_arc4;
95
struct crypto_tfm *tfm_michael;
97
/* scratch buffers for virt_to_page() (crypto API) */
98
u8 rx_hdr[16], tx_hdr[16];
101
#define WL_DEV_IF(dev) ((struct wl_if *)netdev_priv(dev))
102
#define WL_INFO(dev) ((struct wl_info *)(WL_DEV_IF(dev)->wl))
103
static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev);
104
static void wl_release_fw(struct wl_info *wl);
106
/* local prototypes */
107
static int wl_start(struct sk_buff *skb, struct wl_info *wl);
108
static int wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw,
109
struct sk_buff *skb);
110
static void wl_dpc(unsigned long data);
112
MODULE_AUTHOR("Broadcom Corporation");
113
MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
114
MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
115
MODULE_LICENSE("Dual BSD/GPL");
117
/* recognized PCI IDs */
118
static struct pci_device_id wl_id_table[] = {
119
{PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */
120
{PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */
121
{PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */
125
MODULE_DEVICE_TABLE(pci, wl_id_table);
126
static void wl_remove(struct pci_dev *pdev);
130
static int msglevel = 0xdeadbeef;
131
module_param(msglevel, int, 0);
132
static int phymsglevel = 0xdeadbeef;
133
module_param(phymsglevel, int, 0);
136
#define HW_TO_WL(hw) (hw->priv)
137
#define WL_TO_HW(wl) (wl->pub->ieee_hw)
138
static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
139
static int wl_ops_start(struct ieee80211_hw *hw);
140
static void wl_ops_stop(struct ieee80211_hw *hw);
141
static int wl_ops_add_interface(struct ieee80211_hw *hw,
142
struct ieee80211_vif *vif);
143
static void wl_ops_remove_interface(struct ieee80211_hw *hw,
144
struct ieee80211_vif *vif);
145
static int wl_ops_config(struct ieee80211_hw *hw, u32 changed);
146
static void wl_ops_bss_info_changed(struct ieee80211_hw *hw,
147
struct ieee80211_vif *vif,
148
struct ieee80211_bss_conf *info,
150
static void wl_ops_configure_filter(struct ieee80211_hw *hw,
151
unsigned int changed_flags,
152
unsigned int *total_flags, u64 multicast);
153
static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
155
static void wl_ops_sw_scan_start(struct ieee80211_hw *hw);
156
static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw);
157
static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
158
static int wl_ops_get_stats(struct ieee80211_hw *hw,
159
struct ieee80211_low_level_stats *stats);
160
static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
161
static void wl_ops_sta_notify(struct ieee80211_hw *hw,
162
struct ieee80211_vif *vif,
163
enum sta_notify_cmd cmd,
164
struct ieee80211_sta *sta);
165
static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
166
const struct ieee80211_tx_queue_params *params);
167
static u64 wl_ops_get_tsf(struct ieee80211_hw *hw);
168
static int wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
169
struct ieee80211_sta *sta);
170
static int wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
171
struct ieee80211_sta *sta);
172
static int wl_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
173
enum ieee80211_ampdu_mlme_action action,
174
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
176
static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
179
struct wl_info *wl = hw->priv;
182
WL_ERROR("ops->tx called while down\n");
186
status = wl_start(skb, wl);
192
static int wl_ops_start(struct ieee80211_hw *hw)
194
struct wl_info *wl = hw->priv;
196
struct ieee80211_channel *curchan = hw->conf.channel;
197
WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value);
201
ieee80211_wake_queues(hw);
207
static void wl_ops_stop(struct ieee80211_hw *hw)
209
struct wl_info *wl = hw->priv;
212
ieee80211_stop_queues(hw);
217
wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
222
/* Just STA for now */
223
if (vif->type != NL80211_IFTYPE_AP &&
224
vif->type != NL80211_IFTYPE_MESH_POINT &&
225
vif->type != NL80211_IFTYPE_STATION &&
226
vif->type != NL80211_IFTYPE_WDS &&
227
vif->type != NL80211_IFTYPE_ADHOC) {
228
WL_ERROR("%s: Attempt to add type %d, only STA for now\n",
229
__func__, vif->type);
239
WL_ERROR("%s: wl_up() returned %d\n", __func__, err);
244
wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
250
/* put driver in down state */
257
ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
258
enum nl80211_channel_type type)
260
struct wl_info *wl = HW_TO_WL(hw);
264
case NL80211_CHAN_HT20:
265
case NL80211_CHAN_NO_HT:
266
err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
268
case NL80211_CHAN_HT40MINUS:
269
case NL80211_CHAN_HT40PLUS:
270
WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__);
279
static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
281
struct ieee80211_conf *conf = &hw->conf;
282
struct wl_info *wl = HW_TO_WL(hw);
287
if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
288
WL_NONE("%s: Setting listen interval to %d\n",
289
__func__, conf->listen_interval);
291
(wl->wlc, "bcn_li_bcn", conf->listen_interval)) {
292
WL_ERROR("%s: Error setting listen_interval\n",
297
wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
298
ASSERT(new_int == conf->listen_interval);
300
if (changed & IEEE80211_CONF_CHANGE_MONITOR)
301
WL_NONE("Need to set monitor mode\n");
302
if (changed & IEEE80211_CONF_CHANGE_PS)
303
WL_NONE("Need to set Power-save mode\n");
305
if (changed & IEEE80211_CONF_CHANGE_POWER) {
306
WL_NONE("%s: Setting tx power to %d dbm\n",
307
__func__, conf->power_level);
309
(wl->wlc, "qtxpower", conf->power_level * 4)) {
310
WL_ERROR("%s: Error setting power_level\n", __func__);
314
wlc_iovar_getint(wl->wlc, "qtxpower", &new_int);
315
if (new_int != (conf->power_level * 4))
316
WL_ERROR("%s: Power level req != actual, %d %d\n",
317
__func__, conf->power_level * 4, new_int);
319
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
320
err = ieee_set_channel(hw, conf->channel, conf->channel_type);
322
if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
323
WL_NONE("%s: srl %d, lrl %d\n",
325
conf->short_frame_max_tx_count,
326
conf->long_frame_max_tx_count);
328
(wl->wlc, WLC_SET_SRL,
329
conf->short_frame_max_tx_count) < 0) {
330
WL_ERROR("%s: Error setting srl\n", __func__);
334
if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
336
WL_ERROR("%s: Error setting lrl\n", __func__);
348
wl_ops_bss_info_changed(struct ieee80211_hw *hw,
349
struct ieee80211_vif *vif,
350
struct ieee80211_bss_conf *info, u32 changed)
352
struct wl_info *wl = HW_TO_WL(hw);
356
if (changed & BSS_CHANGED_ASSOC) {
357
WL_ERROR("Associated:\t%s\n", info->assoc ? "True" : "False");
358
/* association status changed (associated/disassociated)
359
* also implies a change in the AID.
362
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
363
WL_NONE("Use_cts_prot:\t%s Implement me\n",
364
info->use_cts_prot ? "True" : "False");
365
/* CTS protection changed */
367
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
368
WL_NONE("Short preamble:\t%s Implement me\n",
369
info->use_short_preamble ? "True" : "False");
370
/* preamble changed */
372
if (changed & BSS_CHANGED_ERP_SLOT) {
373
WL_NONE("Changing short slot:\t%s\n",
374
info->use_short_slot ? "True" : "False");
375
if (info->use_short_slot)
379
wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
380
/* slot timing changed */
383
if (changed & BSS_CHANGED_HT) {
384
WL_NONE("%s: HT mode - Implement me\n", __func__);
385
/* 802.11n parameters changed */
387
if (changed & BSS_CHANGED_BASIC_RATES) {
388
WL_NONE("Need to change Basic Rates:\t0x%x! Implement me\n",
389
(u32) info->basic_rates);
390
/* Basic rateset changed */
392
if (changed & BSS_CHANGED_BEACON_INT) {
393
WL_NONE("Beacon Interval:\t%d Implement me\n",
395
/* Beacon interval changed */
397
if (changed & BSS_CHANGED_BSSID) {
398
WL_NONE("new BSSID:\taid %d bss:%pM\n",
399
info->aid, info->bssid);
400
/* BSSID changed, for whatever reason (IBSS and managed mode) */
401
/* FIXME: need to store bssid in bsscfg */
402
wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
403
(struct ether_addr *)info->bssid);
405
if (changed & BSS_CHANGED_BEACON) {
406
WL_ERROR("BSS_CHANGED_BEACON\n");
407
/* Beacon data changed, retrieve new beacon (beaconing modes) */
409
if (changed & BSS_CHANGED_BEACON_ENABLED) {
410
WL_ERROR("Beacon enabled:\t%s\n",
411
info->enable_beacon ? "True" : "False");
412
/* Beaconing should be enabled/disabled (beaconing modes) */
418
wl_ops_configure_filter(struct ieee80211_hw *hw,
419
unsigned int changed_flags,
420
unsigned int *total_flags, u64 multicast)
422
struct wl_info *wl = hw->priv;
424
changed_flags &= MAC_FILTERS;
425
*total_flags &= MAC_FILTERS;
426
if (changed_flags & FIF_PROMISC_IN_BSS)
427
WL_ERROR("FIF_PROMISC_IN_BSS\n");
428
if (changed_flags & FIF_ALLMULTI)
429
WL_ERROR("FIF_ALLMULTI\n");
430
if (changed_flags & FIF_FCSFAIL)
431
WL_ERROR("FIF_FCSFAIL\n");
432
if (changed_flags & FIF_PLCPFAIL)
433
WL_ERROR("FIF_PLCPFAIL\n");
434
if (changed_flags & FIF_CONTROL)
435
WL_ERROR("FIF_CONTROL\n");
436
if (changed_flags & FIF_OTHER_BSS)
437
WL_ERROR("FIF_OTHER_BSS\n");
438
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
439
WL_NONE("FIF_BCN_PRBRESP_PROMISC\n");
441
if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
442
wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
443
wlc_mac_bcn_promisc_change(wl->wlc, 1);
445
wlc_mac_bcn_promisc_change(wl->wlc, 0);
446
wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
454
wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
456
WL_ERROR("%s: Enter\n", __func__);
460
static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
462
struct wl_info *wl = hw->priv;
463
WL_NONE("Scan Start\n");
465
wlc_scan_start(wl->wlc);
470
static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
472
struct wl_info *wl = hw->priv;
473
WL_NONE("Scan Complete\n");
475
wlc_scan_stop(wl->wlc);
480
static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
482
WL_ERROR("%s: Enter\n", __func__);
487
wl_ops_get_stats(struct ieee80211_hw *hw,
488
struct ieee80211_low_level_stats *stats)
490
WL_ERROR("%s: Enter\n", __func__);
494
static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
496
WL_ERROR("%s: Enter\n", __func__);
501
wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
502
enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
504
WL_NONE("%s: Enter\n", __func__);
507
WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd);
514
wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
515
const struct ieee80211_tx_queue_params *params)
517
struct wl_info *wl = hw->priv;
519
WL_NONE("%s: Enter (WME config)\n", __func__);
520
WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue,
521
params->txop, params->cw_min, params->cw_max, params->aifs);
524
wlc_wme_setparams(wl->wlc, queue, (void *)params, true);
530
static u64 wl_ops_get_tsf(struct ieee80211_hw *hw)
532
WL_ERROR("%s: Enter\n", __func__);
537
wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
538
struct ieee80211_sta *sta)
543
struct wl_info *wl = hw->priv;
546
scb = (struct scb *)sta->drv_priv;
547
memset(scb, 0, sizeof(struct scb));
548
for (i = 0; i < NUMPRIO; i++)
549
scb->seqctl[i] = 0xFFFF;
550
scb->seqctl_nonqos = 0xFFFF;
551
scb->magic = SCB_MAGIC;
553
wl->pub->global_scb = scb;
554
wl->pub->global_ampdu = &(scb->scb_ampdu);
555
wl->pub->global_ampdu->scb = scb;
556
wl->pub->global_ampdu->max_pdu = 16;
557
pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
558
AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
560
sta->ht_cap.ht_supported = true;
561
sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K;
562
sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
563
sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
564
IEEE80211_HT_CAP_SGI_20 |
565
IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
567
/* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
572
wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
573
struct ieee80211_sta *sta)
575
WL_NONE("%s: Enter\n", __func__);
580
wl_ampdu_action(struct ieee80211_hw *hw,
581
struct ieee80211_vif *vif,
582
enum ieee80211_ampdu_mlme_action action,
583
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
586
struct scb *scb = (struct scb *)sta->drv_priv;
588
struct wl_info *wl = hw->priv;
590
ASSERT(scb->magic == SCB_MAGIC);
592
case IEEE80211_AMPDU_RX_START:
593
WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__);
595
case IEEE80211_AMPDU_RX_STOP:
596
WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__);
598
case IEEE80211_AMPDU_TX_START:
599
if (!wlc_aggregatable(wl->wlc, tid)) {
600
/* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */
603
/* XXX: Use the starting sequence number provided ... */
605
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
608
case IEEE80211_AMPDU_TX_STOP:
609
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
611
case IEEE80211_AMPDU_TX_OPERATIONAL:
612
/* Not sure what to do here */
613
/* Power save wakeup */
614
WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n",
618
WL_ERROR("%s: Invalid command, ignoring\n", __func__);
624
static const struct ieee80211_ops wl_ops = {
626
.start = wl_ops_start,
628
.add_interface = wl_ops_add_interface,
629
.remove_interface = wl_ops_remove_interface,
630
.config = wl_ops_config,
631
.bss_info_changed = wl_ops_bss_info_changed,
632
.configure_filter = wl_ops_configure_filter,
633
.set_tim = wl_ops_set_tim,
634
.sw_scan_start = wl_ops_sw_scan_start,
635
.sw_scan_complete = wl_ops_sw_scan_complete,
636
.set_tsf = wl_ops_set_tsf,
637
.get_stats = wl_ops_get_stats,
638
.set_rts_threshold = wl_ops_set_rts_threshold,
639
.sta_notify = wl_ops_sta_notify,
640
.conf_tx = wl_ops_conf_tx,
641
.get_tsf = wl_ops_get_tsf,
642
.sta_add = wl_sta_add,
643
.sta_remove = wl_sta_remove,
644
.ampdu_action = wl_ampdu_action,
647
static int wl_set_hint(struct wl_info *wl, char *abbrev)
649
WL_ERROR("%s: Sending country code %c%c to MAC80211\n",
650
__func__, abbrev[0], abbrev[1]);
651
return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
655
* attach to the WL device.
657
* Attach to the WL device identified by vendor and device parameters.
658
* regs is a host accessible memory address pointing to WL device registers.
660
* wl_attach is not defined as static because in the case where no bus
661
* is defined, wl_attach will never be called, and thus, gcc will issue
662
* a warning that this function is defined but not used if we declare
665
static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
666
uint bustype, void *btparam, uint irq)
669
struct osl_info *osh;
672
unsigned long base_addr;
673
struct ieee80211_hw *hw;
680
WL_ERROR("wl%d: unit number overflow, exiting\n", unit);
684
osh = osl_attach(btparam, bustype);
687
/* allocate private info */
688
hw = pci_get_drvdata(btparam); /* btparam == pdev */
693
atomic_set(&wl->callbacks, 0);
695
/* setup the bottom half handler */
696
tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl);
702
if (bustype == PCI_BUS) {
704
} else if (bustype == RPC_BUS) {
708
WL_TRACE("force to PCI\n");
710
wl->bcm_bustype = bustype;
712
wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
713
if (wl->regsva == NULL) {
714
WL_ERROR("wl%d: ioremap() failed\n", unit);
717
spin_lock_init(&wl->lock);
718
spin_lock_init(&wl->isr_lock);
721
if (wl_request_fw(wl, (struct pci_dev *)btparam)) {
722
printf("%s: Failed to find firmware usually in %s\n",
723
KBUILD_MODNAME, "/lib/firmware/brcm");
725
wl_remove((struct pci_dev *)btparam);
729
/* common load-time initialization */
730
wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh,
731
wl->regsva, wl->bcm_bustype, btparam, &err);
734
printf("%s: wlc_attach() failed with code %d\n",
735
KBUILD_MODNAME, err);
738
wl->pub = wlc_pub(wl->wlc);
740
wl->pub->ieee_hw = hw;
741
ASSERT(wl->pub->ieee_hw);
742
ASSERT(wl->pub->ieee_hw->priv == wl);
745
if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
746
WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit);
749
/* register our interrupt handler */
750
if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
751
WL_ERROR("wl%d: request_irq() failed\n", unit);
756
/* register module */
757
wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog,
760
if (ieee_hw_init(hw)) {
761
WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__);
765
bcopy(&wl->pub->cur_etheraddr, perm, ETH_ALEN);
766
ASSERT(is_valid_ether_addr(perm));
767
SET_IEEE80211_PERM_ADDR(hw, perm);
769
err = ieee80211_register_hw(hw);
771
WL_ERROR("%s: ieee80211_register_hw failed, status %d\n",
775
if (wl->pub->srom_ccode[0])
776
err = wl_set_hint(wl, wl->pub->srom_ccode);
778
err = wl_set_hint(wl, "US");
780
WL_ERROR("%s: regulatory_hint failed, status %d\n",
783
WL_ERROR("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver (" PHY_VERSION_STR ")",
787
printf(" (Compiled at " __TIME__ " on " __DATE__ ")");
802
#define CHAN2GHZ(channel, freqency, chflags) { \
803
.band = IEEE80211_BAND_2GHZ, \
804
.center_freq = (freqency), \
805
.hw_value = (channel), \
807
.max_antenna_gain = 0, \
811
static struct ieee80211_channel wl_2ghz_chantable[] = {
812
CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
813
CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
814
CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
815
CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
816
CHAN2GHZ(5, 2432, 0),
817
CHAN2GHZ(6, 2437, 0),
818
CHAN2GHZ(7, 2442, 0),
819
CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
820
CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
821
CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
822
CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
824
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
825
IEEE80211_CHAN_NO_HT40PLUS),
827
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
828
IEEE80211_CHAN_NO_HT40PLUS),
830
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
831
IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
834
#define CHAN5GHZ(channel, chflags) { \
835
.band = IEEE80211_BAND_5GHZ, \
836
.center_freq = 5000 + 5*(channel), \
837
.hw_value = (channel), \
839
.max_antenna_gain = 0, \
843
static struct ieee80211_channel wl_5ghz_nphy_chantable[] = {
845
CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
846
CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
847
CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
848
CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
851
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
852
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
854
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
855
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
857
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
858
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
860
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
861
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
864
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
865
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
867
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
868
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
870
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
871
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
873
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
874
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
876
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
877
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
879
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
880
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
882
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
883
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
885
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
886
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
888
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
889
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
891
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
892
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
894
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
895
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
896
IEEE80211_CHAN_NO_HT40MINUS),
898
CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
899
CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
900
CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
901
CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
902
CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
905
#define RATE(rate100m, _flags) { \
906
.bitrate = (rate100m), \
908
.hw_value = (rate100m / 5), \
911
static struct ieee80211_rate wl_legacy_ratetable[] = {
913
RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
914
RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
915
RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
926
static struct ieee80211_supported_band wl_band_2GHz_nphy = {
927
.band = IEEE80211_BAND_2GHZ,
928
.channels = wl_2ghz_chantable,
929
.n_channels = ARRAY_SIZE(wl_2ghz_chantable),
930
.bitrates = wl_legacy_ratetable,
931
.n_bitrates = ARRAY_SIZE(wl_legacy_ratetable),
933
/* from include/linux/ieee80211.h */
934
.cap = IEEE80211_HT_CAP_GRN_FLD |
935
IEEE80211_HT_CAP_SGI_20 |
936
IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
937
.ht_supported = true,
938
.ampdu_factor = AMPDU_RX_FACTOR_64K,
939
.ampdu_density = AMPDU_DEF_MPDU_DENSITY,
941
/* placeholders for now */
942
.rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
944
.tx_params = IEEE80211_HT_MCS_TX_DEFINED}
948
static struct ieee80211_supported_band wl_band_5GHz_nphy = {
949
.band = IEEE80211_BAND_5GHZ,
950
.channels = wl_5ghz_nphy_chantable,
951
.n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable),
952
.bitrates = wl_legacy_ratetable + 4,
953
.n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4,
955
/* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
956
.cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
957
.ht_supported = true,
958
.ampdu_factor = AMPDU_RX_FACTOR_64K,
959
.ampdu_density = AMPDU_DEF_MPDU_DENSITY,
961
/* placeholders for now */
962
.rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
964
.tx_params = IEEE80211_HT_MCS_TX_DEFINED}
968
static int ieee_hw_rate_init(struct ieee80211_hw *hw)
970
struct wl_info *wl = HW_TO_WL(hw);
976
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
977
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
979
if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
980
WL_ERROR("Phy list failed\n");
982
WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]);
984
if (phy_list[0] == 'n' || phy_list[0] == 'c') {
985
if (phy_list[0] == 'c') {
987
wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
988
wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
990
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
996
/* Assume all bands use the same phy. True for 11n devices. */
997
if (NBANDS_PUB(wl->pub) > 1) {
999
if (phy_list[0] == 'n' || phy_list[0] == 'c') {
1000
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
1007
WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g);
1012
static int ieee_hw_init(struct ieee80211_hw *hw)
1014
hw->flags = IEEE80211_HW_SIGNAL_DBM
1015
/* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
1016
| IEEE80211_HW_REPORTS_TX_ACK_STATUS
1017
| IEEE80211_HW_AMPDU_AGGREGATION;
1019
hw->extra_tx_headroom = wlc_get_header_len();
1020
/* FIXME: should get this from wlc->machwcap */
1022
/* FIXME: this doesn't seem to be used properly in minstrel_ht.
1023
* mac80211/status.c:ieee80211_tx_status() checks this value,
1024
* but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
1025
* appears to always set 3 rates
1027
hw->max_rates = 2; /* Primary rate and 1 fallback rate */
1029
hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */
1030
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
1032
hw->rate_control_algorithm = "minstrel_ht";
1034
hw->sta_data_size = sizeof(struct scb);
1035
return ieee_hw_rate_init(hw);
1039
* determines if a device is a WL device, and if so, attaches it.
1041
* This function determines if a device pointed to by pdev is a WL device,
1042
* and if so, performs a wl_attach() on it.
1046
wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1050
struct ieee80211_hw *hw;
1055
WL_TRACE("%s: bus %d slot %d func %d irq %d\n",
1056
__func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1057
PCI_FUNC(pdev->devfn), pdev->irq);
1059
if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
1060
(((pdev->device & 0xff00) != 0x4300) &&
1061
((pdev->device & 0xff00) != 0x4700) &&
1062
((pdev->device < 43000) || (pdev->device > 43999))))
1065
rc = pci_enable_device(pdev);
1067
WL_ERROR("%s: Cannot enable device %d-%d_%d\n",
1068
__func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1069
PCI_FUNC(pdev->devfn));
1072
pci_set_master(pdev);
1074
pci_read_config_dword(pdev, 0x40, &val);
1075
if ((val & 0x0000ff00) != 0)
1076
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1078
hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops);
1080
WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__);
1085
SET_IEEE80211_DEV(hw, &pdev->dev);
1087
pci_set_drvdata(pdev, hw);
1089
memset(hw->priv, 0, sizeof(*wl));
1091
wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0),
1092
PCI_BUS, pdev, pdev->irq);
1095
WL_ERROR("%s: %s: wl_attach failed!\n",
1096
KBUILD_MODNAME, __func__);
1101
WL_ERROR("%s: err_1: Major hoarkage\n", __func__);
1105
static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
1108
struct ieee80211_hw *hw;
1110
WL_TRACE("wl: wl_suspend\n");
1112
hw = pci_get_drvdata(pdev);
1115
WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n");
1119
/* only need to flag hw is down for proper resume */
1121
wl->pub->hw_up = false;
1124
pci_save_state(pdev);
1125
pci_disable_device(pdev);
1126
return pci_set_power_state(pdev, PCI_D3hot);
1129
static int wl_resume(struct pci_dev *pdev)
1132
struct ieee80211_hw *hw;
1136
WL_TRACE("wl: wl_resume\n");
1137
hw = pci_get_drvdata(pdev);
1140
WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n");
1144
err = pci_set_power_state(pdev, PCI_D0);
1148
pci_restore_state(pdev);
1150
err = pci_enable_device(pdev);
1154
pci_set_master(pdev);
1156
pci_read_config_dword(pdev, 0x40, &val);
1157
if ((val & 0x0000ff00) != 0)
1158
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1161
* done. driver will be put in up state
1162
* in wl_ops_add_interface() call.
1167
static void wl_remove(struct pci_dev *pdev)
1170
struct ieee80211_hw *hw;
1172
hw = pci_get_drvdata(pdev);
1175
WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n");
1178
if (!wlc_chipmatch(pdev->vendor, pdev->device)) {
1179
WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n");
1183
ieee80211_unregister_hw(hw);
1187
WL_NONE("%s: Down\n", __func__);
1189
pci_disable_device(pdev);
1193
pci_set_drvdata(pdev, NULL);
1194
ieee80211_free_hw(hw);
1197
static struct pci_driver wl_pci_driver = {
1198
.name = "brcm80211",
1199
.probe = wl_pci_probe,
1200
.suspend = wl_suspend,
1201
.resume = wl_resume,
1202
.remove = __devexit_p(wl_remove),
1203
.id_table = wl_id_table,
1207
* This is the main entry point for the WL driver.
1209
* This function determines if a device pointed to by pdev is a WL device,
1210
* and if so, performs a wl_attach() on it.
1213
static int __init wl_module_init(void)
1215
int error = -ENODEV;
1218
if (msglevel != 0xdeadbeef)
1219
wl_msg_level = msglevel;
1221
char *var = getvar(NULL, "wl_msglevel");
1223
wl_msg_level = simple_strtoul(var, NULL, 0);
1226
extern u32 phyhal_msg_level;
1228
if (phymsglevel != 0xdeadbeef)
1229
phyhal_msg_level = phymsglevel;
1231
char *var = getvar(NULL, "phy_msglevel");
1233
phyhal_msg_level = simple_strtoul(var, NULL, 0);
1238
error = pci_register_driver(&wl_pci_driver);
1248
* This function unloads the WL driver from the system.
1250
* This function unconditionally unloads the WL driver module from the
1254
static void __exit wl_module_exit(void)
1256
pci_unregister_driver(&wl_pci_driver);
1260
module_init(wl_module_init);
1261
module_exit(wl_module_exit);
1264
* This function frees the WL per-device resources.
1266
* This function frees resources owned by the WL device pointed to
1267
* by the wl parameter.
1270
void wl_free(struct wl_info *wl)
1272
wl_timer_t *t, *next;
1273
struct osl_info *osh;
1276
/* free ucode data */
1278
wl_ucode_data_free();
1280
free_irq(wl->irq, wl);
1283
tasklet_kill(&wl->tasklet);
1286
wlc_module_unregister(wl->pub, "linux", wl);
1289
/* free common resources */
1291
wlc_detach(wl->wlc);
1296
/* virtual interface deletion is deferred so we cannot spinwait */
1298
/* wait for all pending callbacks to complete */
1299
while (atomic_read(&wl->callbacks) > 0)
1303
for (t = wl->timers; t; t = next) {
1315
* unregister_netdev() calls get_stats() which may read chip registers
1316
* so we cannot unmap the chip registers until after calling unregister_netdev() .
1318
if (wl->regsva && wl->bcm_bustype != SDIO_BUS &&
1319
wl->bcm_bustype != JTAG_BUS) {
1320
iounmap((void *)wl->regsva);
1328
/* transmit a packet */
1329
static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl)
1334
return wl_start_int(wl, WL_TO_HW(wl), skb);
1337
static int BCMFASTPATH
1338
wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, struct sk_buff *skb)
1340
wlc_sendpkt_mac80211(wl->wlc, skb, hw);
1341
return NETDEV_TX_OK;
1344
void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state,
1347
WL_ERROR("Shouldn't be here %s\n", __func__);
1350
void wl_init(struct wl_info *wl)
1352
WL_TRACE("wl%d: wl_init\n", wl->pub->unit);
1359
uint wl_reset(struct wl_info *wl)
1361
WL_TRACE("wl%d: wl_reset\n", wl->pub->unit);
1365
/* dpc will not be rescheduled */
1372
* These are interrupt on/off entry points. Disable interrupts
1373
* during interrupt state transition.
1375
void BCMFASTPATH wl_intrson(struct wl_info *wl)
1377
unsigned long flags;
1379
INT_LOCK(wl, flags);
1380
wlc_intrson(wl->wlc);
1381
INT_UNLOCK(wl, flags);
1384
bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth)
1389
u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl)
1391
unsigned long flags;
1394
INT_LOCK(wl, flags);
1395
status = wlc_intrsoff(wl->wlc);
1396
INT_UNLOCK(wl, flags);
1400
void wl_intrsrestore(struct wl_info *wl, u32 macintmask)
1402
unsigned long flags;
1404
INT_LOCK(wl, flags);
1405
wlc_intrsrestore(wl->wlc, macintmask);
1406
INT_UNLOCK(wl, flags);
1409
int wl_up(struct wl_info *wl)
1416
error = wlc_up(wl->wlc);
1421
void wl_down(struct wl_info *wl)
1423
uint callbacks, ret_val = 0;
1425
/* call common down function */
1426
ret_val = wlc_down(wl->wlc);
1427
callbacks = atomic_read(&wl->callbacks) - ret_val;
1429
/* wait for down callbacks to complete */
1432
/* For HIGH_only driver, it's important to actually schedule other work,
1433
* not just spin wait since everything runs at schedule level
1435
SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1440
irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
1444
unsigned long flags;
1446
wl = (struct wl_info *) dev_id;
1448
WL_ISRLOCK(wl, flags);
1450
/* call common first level interrupt handler */
1451
ours = wlc_isr(wl->wlc, &wantdpc);
1453
/* if more to do... */
1456
/* ...and call the second level interrupt handler */
1458
ASSERT(wl->resched == false);
1459
tasklet_schedule(&wl->tasklet);
1463
WL_ISRUNLOCK(wl, flags);
1465
return IRQ_RETVAL(ours);
1468
static void BCMFASTPATH wl_dpc(unsigned long data)
1472
wl = (struct wl_info *) data;
1476
/* call the common second level interrupt handler */
1479
unsigned long flags;
1481
INT_LOCK(wl, flags);
1482
wlc_intrsupd(wl->wlc);
1483
INT_UNLOCK(wl, flags);
1486
wl->resched = wlc_dpc(wl->wlc, true);
1489
/* wlc_dpc() may bring the driver down */
1493
/* re-schedule dpc */
1495
tasklet_schedule(&wl->tasklet);
1497
/* re-enable interrupts */
1505
static void wl_link_up(struct wl_info *wl, char *ifname)
1507
WL_ERROR("wl%d: link up (%s)\n", wl->pub->unit, ifname);
1510
static void wl_link_down(struct wl_info *wl, char *ifname)
1512
WL_ERROR("wl%d: link down (%s)\n", wl->pub->unit, ifname);
1515
void wl_event(struct wl_info *wl, char *ifname, wlc_event_t *e)
1518
switch (e->event.event_type) {
1520
case WLC_E_NDIS_LINK:
1521
if (e->event.flags & WLC_EVENT_MSG_LINK)
1522
wl_link_up(wl, ifname);
1524
wl_link_down(wl, ifname);
1531
static void wl_timer(unsigned long data)
1533
_wl_timer((wl_timer_t *) data);
1536
static void _wl_timer(wl_timer_t *t)
1542
t->timer.expires = jiffies + t->ms * HZ / 1000;
1543
atomic_inc(&t->wl->callbacks);
1544
add_timer(&t->timer);
1552
atomic_dec(&t->wl->callbacks);
1557
wl_timer_t *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), void *arg,
1562
t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC);
1564
WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit);
1568
memset(t, 0, sizeof(wl_timer_t));
1570
init_timer(&t->timer);
1571
t->timer.data = (unsigned long) t;
1572
t->timer.function = wl_timer;
1576
t->next = wl->timers;
1580
t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1582
strcpy(t->name, name);
1588
/* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
1589
* as well as it's easier to make it periodic
1591
void wl_add_timer(struct wl_info *wl, wl_timer_t *t, uint ms, int periodic)
1595
WL_ERROR("%s: Already set. Name: %s, per %d\n",
1596
__func__, t->name, periodic);
1602
t->periodic = (bool) periodic;
1604
t->timer.expires = jiffies + ms * HZ / 1000;
1606
atomic_inc(&wl->callbacks);
1607
add_timer(&t->timer);
1610
/* return true if timer successfully deleted, false if still pending */
1611
bool wl_del_timer(struct wl_info *wl, wl_timer_t *t)
1615
if (!del_timer(&t->timer)) {
1618
atomic_dec(&wl->callbacks);
1624
void wl_free_timer(struct wl_info *wl, wl_timer_t *t)
1628
/* delete the timer in case it is active */
1629
wl_del_timer(wl, t);
1631
if (wl->timers == t) {
1632
wl->timers = wl->timers->next;
1644
if (tmp->next == t) {
1645
tmp->next = t->next;
1658
static int wl_linux_watchdog(void *ctx)
1660
struct wl_info *wl = (struct wl_info *) ctx;
1661
struct net_device_stats *stats = NULL;
1665
ASSERT(wl->stats_id < 2);
1667
id = 1 - wl->stats_id;
1669
stats = &wl->stats_watchdog[id];
1670
stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe);
1671
stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe);
1672
stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte);
1673
stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte);
1674
stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror);
1675
stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror);
1676
stats->collisions = 0;
1678
stats->rx_length_errors = 0;
1679
stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
1680
stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc);
1681
stats->rx_frame_errors = 0;
1682
stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
1683
stats->rx_missed_errors = 0;
1685
stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo);
1700
char *wl_firmwares[WL_MAX_FW] = {
1705
int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx)
1709
struct wl_fw_hdr *hdr;
1710
for (i = 0; i < wl->fw.fw_cnt; i++) {
1711
hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
1712
for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1714
if (hdr->idx == idx) {
1715
pdata = wl->fw.fw_bin[i]->data + hdr->offset;
1716
*pbuf = kmalloc(hdr->len, GFP_ATOMIC);
1717
if (*pbuf == NULL) {
1718
printf("fail to alloc %d bytes\n",
1721
bcopy(pdata, *pbuf, hdr->len);
1726
printf("ERROR: ucode buf tag:%d can not be found!\n", idx);
1731
int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx)
1735
struct wl_fw_hdr *hdr;
1736
for (i = 0; i < wl->fw.fw_cnt; i++) {
1737
hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
1738
for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1740
if (hdr->idx == idx) {
1741
pdata = wl->fw.fw_bin[i]->data + hdr->offset;
1742
ASSERT(hdr->len == 4);
1743
*data = *((u32 *) pdata);
1748
printf("ERROR: ucode tag:%d can not be found!\n", idx);
1752
static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev)
1755
struct device *device = &pdev->dev;
1759
memset((void *)&wl->fw, 0, sizeof(struct wl_firmware));
1760
for (i = 0; i < WL_MAX_FW; i++) {
1761
if (wl_firmwares[i] == NULL)
1763
sprintf(fw_name, "%s-%d.fw", wl_firmwares[i],
1764
UCODE_LOADER_API_VER);
1765
WL_NONE("request fw %s\n", fw_name);
1766
status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
1768
printf("%s: fail to load firmware %s\n",
1769
KBUILD_MODNAME, fw_name);
1773
WL_NONE("request fw %s\n", fw_name);
1774
sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i],
1775
UCODE_LOADER_API_VER);
1776
status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
1778
printf("%s: fail to load firmware %s\n",
1779
KBUILD_MODNAME, fw_name);
1783
wl->fw.hdr_num_entries[i] =
1784
wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr));
1785
WL_NONE("request fw %s find: %d entries\n",
1786
fw_name, wl->fw.hdr_num_entries[i]);
1789
return wl_ucode_data_init(wl);
1792
void wl_ucode_free_buf(void *p)
1797
static void wl_release_fw(struct wl_info *wl)
1800
for (i = 0; i < WL_MAX_FW; i++) {
1801
release_firmware(wl->fw.fw_bin[i]);
1802
release_firmware(wl->fw.fw_hdr[i]);
1808
* checks validity of all firmware images loaded from user space
1810
int wl_check_firmwares(struct wl_info *wl)
1815
const struct firmware *fw;
1816
const struct firmware *fw_hdr;
1817
struct wl_fw_hdr *ucode_hdr;
1818
for (i = 0; i < WL_MAX_FW && rc == 0; i++) {
1819
fw = wl->fw.fw_bin[i];
1820
fw_hdr = wl->fw.fw_hdr[i];
1821
if (fw == NULL && fw_hdr == NULL) {
1823
} else if (fw == NULL || fw_hdr == NULL) {
1824
WL_ERROR("%s: invalid bin/hdr fw\n", __func__);
1826
} else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) {
1827
WL_ERROR("%s: non integral fw hdr file size %d/%zu\n",
1828
__func__, fw_hdr->size,
1829
sizeof(struct wl_fw_hdr));
1831
} else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1832
WL_ERROR("%s: out of bounds fw file size %d\n",
1833
__func__, fw->size);
1836
/* check if ucode section overruns firmware image */
1837
ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data;
1838
for (entry = 0; entry < wl->fw.hdr_num_entries[i] && rc;
1839
entry++, ucode_hdr++) {
1840
if (ucode_hdr->offset + ucode_hdr->len >
1842
WL_ERROR("%s: conflicting bin/hdr\n",
1849
if (rc == 0 && wl->fw.fw_cnt != i) {
1850
WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt);