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:
267 err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
270 case NL80211_CHAN_HT40MINUS:
271 case NL80211_CHAN_HT40PLUS:
272 WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__);
281 static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
283 struct ieee80211_conf *conf = &hw->conf;
284 struct wl_info *wl = HW_TO_WL(hw);
288 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
289 WL_NONE("%s: Setting listen interval to %d\n",
290 __func__, conf->listen_interval);
292 (wl->wlc, "bcn_li_bcn", conf->listen_interval)) {
293 WL_ERROR("%s: Error setting listen_interval\n",
298 wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
299 ASSERT(new_int == conf->listen_interval);
301 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
302 WL_NONE("Need to set monitor mode\n");
303 if (changed & IEEE80211_CONF_CHANGE_PS)
304 WL_NONE("Need to set Power-save mode\n");
306 if (changed & IEEE80211_CONF_CHANGE_POWER) {
307 WL_NONE("%s: Setting tx power to %d dbm\n",
308 __func__, conf->power_level);
310 (wl->wlc, "qtxpower", conf->power_level * 4)) {
311 WL_ERROR("%s: Error setting power_level\n", __func__);
315 wlc_iovar_getint(wl->wlc, "qtxpower", &new_int);
316 if (new_int != (conf->power_level * 4))
317 WL_ERROR("%s: Power level req != actual, %d %d\n",
318 __func__, conf->power_level * 4, new_int);
320 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
321 err = ieee_set_channel(hw, conf->channel, conf->channel_type);
323 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
324 WL_NONE("%s: srl %d, lrl %d\n",
326 conf->short_frame_max_tx_count,
327 conf->long_frame_max_tx_count);
329 (wl->wlc, WLC_SET_SRL,
330 conf->short_frame_max_tx_count) < 0) {
331 WL_ERROR("%s: Error setting srl\n", __func__);
335 if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
337 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 WL_NONE("Scan Start\n");
466 static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
468 WL_NONE("Scan Complete\n");
472 static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
474 WL_ERROR("%s: Enter\n", __func__);
479 wl_ops_get_stats(struct ieee80211_hw *hw,
480 struct ieee80211_low_level_stats *stats)
482 WL_ERROR("%s: Enter\n", __func__);
486 static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
488 WL_ERROR("%s: Enter\n", __func__);
493 wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
494 enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
496 WL_NONE("%s: Enter\n", __func__);
499 WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd);
506 wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
507 const struct ieee80211_tx_queue_params *params)
509 struct wl_info *wl = hw->priv;
511 WL_NONE("%s: Enter (WME config)\n", __func__);
512 WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue,
513 params->txop, params->cw_min, params->cw_max, params->aifs);
516 wlc_wme_setparams(wl->wlc, queue, (void *)params, true);
522 static u64 wl_ops_get_tsf(struct ieee80211_hw *hw)
524 WL_ERROR("%s: Enter\n", __func__);
529 wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
530 struct ieee80211_sta *sta)
535 struct wl_info *wl = hw->priv;
538 scb = (struct scb *)sta->drv_priv;
539 memset(scb, 0, sizeof(struct scb));
540 for (i = 0; i < NUMPRIO; i++)
541 scb->seqctl[i] = 0xFFFF;
542 scb->seqctl_nonqos = 0xFFFF;
543 scb->magic = SCB_MAGIC;
545 wl->pub->global_scb = scb;
546 wl->pub->global_ampdu = &(scb->scb_ampdu);
547 wl->pub->global_ampdu->scb = scb;
548 wl->pub->global_ampdu->max_pdu = 16;
549 pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
550 AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
552 sta->ht_cap.ht_supported = true;
553 sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K;
554 sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
555 sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
556 IEEE80211_HT_CAP_SGI_20 |
557 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
559 /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
564 wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
565 struct ieee80211_sta *sta)
567 WL_NONE("%s: Enter\n", __func__);
572 wl_ampdu_action(struct ieee80211_hw *hw,
573 struct ieee80211_vif *vif,
574 enum ieee80211_ampdu_mlme_action action,
575 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
578 struct scb *scb = (struct scb *)sta->drv_priv;
580 struct wl_info *wl = hw->priv;
582 ASSERT(scb->magic == SCB_MAGIC);
584 case IEEE80211_AMPDU_RX_START:
585 WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__);
587 case IEEE80211_AMPDU_RX_STOP:
588 WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__);
590 case IEEE80211_AMPDU_TX_START:
591 if (!wlc_aggregatable(wl->wlc, tid)) {
592 /* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */
595 /* XXX: Use the starting sequence number provided ... */
597 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
600 case IEEE80211_AMPDU_TX_STOP:
601 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
603 case IEEE80211_AMPDU_TX_OPERATIONAL:
604 /* Not sure what to do here */
605 /* Power save wakeup */
606 WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n",
610 WL_ERROR("%s: Invalid command, ignoring\n", __func__);
616 static const struct ieee80211_ops wl_ops = {
618 .start = wl_ops_start,
620 .add_interface = wl_ops_add_interface,
621 .remove_interface = wl_ops_remove_interface,
622 .config = wl_ops_config,
623 .bss_info_changed = wl_ops_bss_info_changed,
624 .configure_filter = wl_ops_configure_filter,
625 .set_tim = wl_ops_set_tim,
626 .sw_scan_start = wl_ops_sw_scan_start,
627 .sw_scan_complete = wl_ops_sw_scan_complete,
628 .set_tsf = wl_ops_set_tsf,
629 .get_stats = wl_ops_get_stats,
630 .set_rts_threshold = wl_ops_set_rts_threshold,
631 .sta_notify = wl_ops_sta_notify,
632 .conf_tx = wl_ops_conf_tx,
633 .get_tsf = wl_ops_get_tsf,
634 .sta_add = wl_sta_add,
635 .sta_remove = wl_sta_remove,
636 .ampdu_action = wl_ampdu_action,
639 static int wl_set_hint(struct wl_info *wl, char *abbrev)
641 WL_ERROR("%s: Sending country code %c%c to MAC80211\n",
642 __func__, abbrev[0], abbrev[1]);
643 return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
647 * attach to the WL device.
649 * Attach to the WL device identified by vendor and device parameters.
650 * regs is a host accessible memory address pointing to WL device registers.
652 * wl_attach is not defined as static because in the case where no bus
653 * is defined, wl_attach will never be called, and thus, gcc will issue
654 * a warning that this function is defined but not used if we declare
657 static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
658 uint bustype, void *btparam, uint irq)
661 struct osl_info *osh;
664 unsigned long base_addr;
665 struct ieee80211_hw *hw;
672 WL_ERROR("wl%d: unit number overflow, exiting\n", unit);
676 osh = osl_attach(btparam, bustype);
679 /* allocate private info */
680 hw = pci_get_drvdata(btparam); /* btparam == pdev */
685 atomic_set(&wl->callbacks, 0);
687 /* setup the bottom half handler */
688 tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl);
694 if (bustype == PCI_BUS) {
696 } else if (bustype == RPC_BUS) {
700 WL_TRACE("force to PCI\n");
702 wl->bcm_bustype = bustype;
704 wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
705 if (wl->regsva == NULL) {
706 WL_ERROR("wl%d: ioremap() failed\n", unit);
709 spin_lock_init(&wl->lock);
710 spin_lock_init(&wl->isr_lock);
713 if (wl_request_fw(wl, (struct pci_dev *)btparam)) {
714 printf("%s: Failed to find firmware usually in %s\n",
715 KBUILD_MODNAME, "/lib/firmware/brcm");
717 wl_remove((struct pci_dev *)btparam);
721 /* common load-time initialization */
722 wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh,
723 wl->regsva, wl->bcm_bustype, btparam, &err);
726 printf("%s: wlc_attach() failed with code %d\n",
727 KBUILD_MODNAME, err);
730 wl->pub = wlc_pub(wl->wlc);
732 wl->pub->ieee_hw = hw;
733 ASSERT(wl->pub->ieee_hw);
734 ASSERT(wl->pub->ieee_hw->priv == wl);
737 if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
738 WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit);
741 /* register our interrupt handler */
742 if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
743 WL_ERROR("wl%d: request_irq() failed\n", unit);
748 /* register module */
749 wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog,
752 if (ieee_hw_init(hw)) {
753 WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__);
757 bcopy(&wl->pub->cur_etheraddr, perm, ETH_ALEN);
758 ASSERT(is_valid_ether_addr(perm));
759 SET_IEEE80211_PERM_ADDR(hw, perm);
761 err = ieee80211_register_hw(hw);
763 WL_ERROR("%s: ieee80211_register_hw failed, status %d\n",
767 if (wl->pub->srom_ccode[0])
768 err = wl_set_hint(wl, wl->pub->srom_ccode);
770 err = wl_set_hint(wl, "US");
772 WL_ERROR("%s: regulatory_hint failed, status %d\n",
775 WL_ERROR("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver (" PHY_VERSION_STR ")",
779 printf(" (Compiled at " __TIME__ " on " __DATE__ ")");
794 #define CHAN2GHZ(channel, freqency, chflags) { \
795 .band = IEEE80211_BAND_2GHZ, \
796 .center_freq = (freqency), \
797 .hw_value = (channel), \
799 .max_antenna_gain = 0, \
803 static struct ieee80211_channel wl_2ghz_chantable[] = {
804 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
805 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
806 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
807 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
808 CHAN2GHZ(5, 2432, 0),
809 CHAN2GHZ(6, 2437, 0),
810 CHAN2GHZ(7, 2442, 0),
811 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
812 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
813 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
814 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
816 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
817 IEEE80211_CHAN_NO_HT40PLUS),
819 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
820 IEEE80211_CHAN_NO_HT40PLUS),
822 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
823 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
826 #define CHAN5GHZ(channel, chflags) { \
827 .band = IEEE80211_BAND_5GHZ, \
828 .center_freq = 5000 + 5*(channel), \
829 .hw_value = (channel), \
831 .max_antenna_gain = 0, \
835 static struct ieee80211_channel wl_5ghz_nphy_chantable[] = {
837 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
838 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
839 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
840 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
843 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
844 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
846 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
847 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
849 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
850 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
852 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
853 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
856 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
857 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
859 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
860 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
862 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
863 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
865 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
866 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
868 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
869 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
871 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
872 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
874 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
875 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
877 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
878 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
880 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
881 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
883 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
884 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
886 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
887 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
888 IEEE80211_CHAN_NO_HT40MINUS),
890 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
891 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
892 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
893 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
894 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
897 #define RATE(rate100m, _flags) { \
898 .bitrate = (rate100m), \
900 .hw_value = (rate100m / 5), \
903 static struct ieee80211_rate wl_legacy_ratetable[] = {
905 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
906 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
907 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
918 static struct ieee80211_supported_band wl_band_2GHz_nphy = {
919 .band = IEEE80211_BAND_2GHZ,
920 .channels = wl_2ghz_chantable,
921 .n_channels = ARRAY_SIZE(wl_2ghz_chantable),
922 .bitrates = wl_legacy_ratetable,
923 .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable),
925 /* from include/linux/ieee80211.h */
926 .cap = IEEE80211_HT_CAP_GRN_FLD |
927 IEEE80211_HT_CAP_SGI_20 |
928 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
929 .ht_supported = true,
930 .ampdu_factor = AMPDU_RX_FACTOR_64K,
931 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
933 /* placeholders for now */
934 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
936 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
940 static struct ieee80211_supported_band wl_band_5GHz_nphy = {
941 .band = IEEE80211_BAND_5GHZ,
942 .channels = wl_5ghz_nphy_chantable,
943 .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable),
944 .bitrates = wl_legacy_ratetable + 4,
945 .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4,
947 /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
948 .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 */
949 .ht_supported = true,
950 .ampdu_factor = AMPDU_RX_FACTOR_64K,
951 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
953 /* placeholders for now */
954 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
956 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
960 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
962 struct wl_info *wl = HW_TO_WL(hw);
968 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
969 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
971 if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
972 WL_ERROR("Phy list failed\n");
974 WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]);
976 if (phy_list[0] == 'n' || phy_list[0] == 'c') {
977 if (phy_list[0] == 'c') {
979 wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
980 wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
982 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
988 /* Assume all bands use the same phy. True for 11n devices. */
989 if (NBANDS_PUB(wl->pub) > 1) {
991 if (phy_list[0] == 'n' || phy_list[0] == 'c') {
992 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
999 WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g);
1004 static int ieee_hw_init(struct ieee80211_hw *hw)
1006 hw->flags = IEEE80211_HW_SIGNAL_DBM
1007 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
1008 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
1009 | IEEE80211_HW_AMPDU_AGGREGATION;
1011 hw->extra_tx_headroom = wlc_get_header_len();
1012 /* FIXME: should get this from wlc->machwcap */
1014 /* FIXME: this doesn't seem to be used properly in minstrel_ht.
1015 * mac80211/status.c:ieee80211_tx_status() checks this value,
1016 * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
1017 * appears to always set 3 rates
1019 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
1021 hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */
1022 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
1024 hw->rate_control_algorithm = "minstrel_ht";
1026 hw->sta_data_size = sizeof(struct scb);
1027 return ieee_hw_rate_init(hw);
1031 * determines if a device is a WL device, and if so, attaches it.
1033 * This function determines if a device pointed to by pdev is a WL device,
1034 * and if so, performs a wl_attach() on it.
1038 wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1042 struct ieee80211_hw *hw;
1047 WL_TRACE("%s: bus %d slot %d func %d irq %d\n",
1048 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1049 PCI_FUNC(pdev->devfn), pdev->irq);
1051 if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
1052 (((pdev->device & 0xff00) != 0x4300) &&
1053 ((pdev->device & 0xff00) != 0x4700) &&
1054 ((pdev->device < 43000) || (pdev->device > 43999))))
1057 rc = pci_enable_device(pdev);
1059 WL_ERROR("%s: Cannot enable device %d-%d_%d\n",
1060 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1061 PCI_FUNC(pdev->devfn));
1064 pci_set_master(pdev);
1066 pci_read_config_dword(pdev, 0x40, &val);
1067 if ((val & 0x0000ff00) != 0)
1068 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1070 hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops);
1072 WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__);
1077 SET_IEEE80211_DEV(hw, &pdev->dev);
1079 pci_set_drvdata(pdev, hw);
1081 memset(hw->priv, 0, sizeof(*wl));
1083 wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0),
1084 PCI_BUS, pdev, pdev->irq);
1087 WL_ERROR("%s: %s: wl_attach failed!\n",
1088 KBUILD_MODNAME, __func__);
1093 WL_ERROR("%s: err_1: Major hoarkage\n", __func__);
1097 static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
1100 struct ieee80211_hw *hw;
1102 WL_TRACE("wl: wl_suspend\n");
1104 hw = pci_get_drvdata(pdev);
1107 WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n");
1111 /* only need to flag hw is down for proper resume */
1113 wl->pub->hw_up = false;
1116 pci_save_state(pdev);
1117 pci_disable_device(pdev);
1118 return pci_set_power_state(pdev, PCI_D3hot);
1121 static int wl_resume(struct pci_dev *pdev)
1124 struct ieee80211_hw *hw;
1128 WL_TRACE("wl: wl_resume\n");
1129 hw = pci_get_drvdata(pdev);
1132 WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n");
1136 err = pci_set_power_state(pdev, PCI_D0);
1140 pci_restore_state(pdev);
1142 err = pci_enable_device(pdev);
1146 pci_set_master(pdev);
1148 pci_read_config_dword(pdev, 0x40, &val);
1149 if ((val & 0x0000ff00) != 0)
1150 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1153 * done. driver will be put in up state
1154 * in wl_ops_add_interface() call.
1159 static void wl_remove(struct pci_dev *pdev)
1162 struct ieee80211_hw *hw;
1164 hw = pci_get_drvdata(pdev);
1167 WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n");
1170 if (!wlc_chipmatch(pdev->vendor, pdev->device)) {
1171 WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n");
1175 ieee80211_unregister_hw(hw);
1179 WL_NONE("%s: Down\n", __func__);
1181 pci_disable_device(pdev);
1185 pci_set_drvdata(pdev, NULL);
1186 ieee80211_free_hw(hw);
1189 static struct pci_driver wl_pci_driver = {
1190 .name = "brcm80211",
1191 .probe = wl_pci_probe,
1192 .suspend = wl_suspend,
1193 .resume = wl_resume,
1194 .remove = __devexit_p(wl_remove),
1195 .id_table = wl_id_table,
1199 * This is the main entry point for the WL driver.
1201 * This function determines if a device pointed to by pdev is a WL device,
1202 * and if so, performs a wl_attach() on it.
1205 static int __init wl_module_init(void)
1207 int error = -ENODEV;
1210 if (msglevel != 0xdeadbeef)
1211 wl_msg_level = msglevel;
1213 char *var = getvar(NULL, "wl_msglevel");
1215 wl_msg_level = simple_strtoul(var, NULL, 0);
1218 extern u32 phyhal_msg_level;
1220 if (phymsglevel != 0xdeadbeef)
1221 phyhal_msg_level = phymsglevel;
1223 char *var = getvar(NULL, "phy_msglevel");
1225 phyhal_msg_level = simple_strtoul(var, NULL, 0);
1230 error = pci_register_driver(&wl_pci_driver);
1240 * This function unloads the WL driver from the system.
1242 * This function unconditionally unloads the WL driver module from the
1246 static void __exit wl_module_exit(void)
1248 pci_unregister_driver(&wl_pci_driver);
1252 module_init(wl_module_init);
1253 module_exit(wl_module_exit);
1256 * This function frees the WL per-device resources.
1258 * This function frees resources owned by the WL device pointed to
1259 * by the wl parameter.
1262 void wl_free(struct wl_info *wl)
1264 wl_timer_t *t, *next;
1265 struct osl_info *osh;
1268 /* free ucode data */
1270 wl_ucode_data_free();
1272 free_irq(wl->irq, wl);
1275 tasklet_kill(&wl->tasklet);
1278 wlc_module_unregister(wl->pub, "linux", wl);
1281 /* free common resources */
1283 wlc_detach(wl->wlc);
1288 /* virtual interface deletion is deferred so we cannot spinwait */
1290 /* wait for all pending callbacks to complete */
1291 while (atomic_read(&wl->callbacks) > 0)
1295 for (t = wl->timers; t; t = next) {
1307 * unregister_netdev() calls get_stats() which may read chip registers
1308 * so we cannot unmap the chip registers until after calling unregister_netdev() .
1310 if (wl->regsva && wl->bcm_bustype != SDIO_BUS &&
1311 wl->bcm_bustype != JTAG_BUS) {
1312 iounmap((void *)wl->regsva);
1320 /* transmit a packet */
1321 static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl)
1326 return wl_start_int(wl, WL_TO_HW(wl), skb);
1329 static int BCMFASTPATH
1330 wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, struct sk_buff *skb)
1332 wlc_sendpkt_mac80211(wl->wlc, skb, hw);
1333 return NETDEV_TX_OK;
1336 void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state,
1339 WL_ERROR("Shouldn't be here %s\n", __func__);
1342 void wl_init(struct wl_info *wl)
1344 WL_TRACE("wl%d: wl_init\n", wl->pub->unit);
1351 uint wl_reset(struct wl_info *wl)
1353 WL_TRACE("wl%d: wl_reset\n", wl->pub->unit);
1357 /* dpc will not be rescheduled */
1364 * These are interrupt on/off entry points. Disable interrupts
1365 * during interrupt state transition.
1367 void BCMFASTPATH wl_intrson(struct wl_info *wl)
1369 unsigned long flags;
1371 INT_LOCK(wl, flags);
1372 wlc_intrson(wl->wlc);
1373 INT_UNLOCK(wl, flags);
1376 bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth)
1381 u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl)
1383 unsigned long flags;
1386 INT_LOCK(wl, flags);
1387 status = wlc_intrsoff(wl->wlc);
1388 INT_UNLOCK(wl, flags);
1392 void wl_intrsrestore(struct wl_info *wl, u32 macintmask)
1394 unsigned long flags;
1396 INT_LOCK(wl, flags);
1397 wlc_intrsrestore(wl->wlc, macintmask);
1398 INT_UNLOCK(wl, flags);
1401 int wl_up(struct wl_info *wl)
1408 error = wlc_up(wl->wlc);
1413 void wl_down(struct wl_info *wl)
1415 uint callbacks, ret_val = 0;
1417 /* call common down function */
1418 ret_val = wlc_down(wl->wlc);
1419 callbacks = atomic_read(&wl->callbacks) - ret_val;
1421 /* wait for down callbacks to complete */
1424 /* For HIGH_only driver, it's important to actually schedule other work,
1425 * not just spin wait since everything runs at schedule level
1427 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1432 irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
1436 unsigned long flags;
1438 wl = (struct wl_info *) dev_id;
1440 WL_ISRLOCK(wl, flags);
1442 /* call common first level interrupt handler */
1443 ours = wlc_isr(wl->wlc, &wantdpc);
1445 /* if more to do... */
1448 /* ...and call the second level interrupt handler */
1450 ASSERT(wl->resched == false);
1451 tasklet_schedule(&wl->tasklet);
1455 WL_ISRUNLOCK(wl, flags);
1457 return IRQ_RETVAL(ours);
1460 static void BCMFASTPATH wl_dpc(unsigned long data)
1464 wl = (struct wl_info *) data;
1468 /* call the common second level interrupt handler */
1471 unsigned long flags;
1473 INT_LOCK(wl, flags);
1474 wlc_intrsupd(wl->wlc);
1475 INT_UNLOCK(wl, flags);
1478 wl->resched = wlc_dpc(wl->wlc, true);
1481 /* wlc_dpc() may bring the driver down */
1485 /* re-schedule dpc */
1487 tasklet_schedule(&wl->tasklet);
1489 /* re-enable interrupts */
1497 static void wl_link_up(struct wl_info *wl, char *ifname)
1499 WL_ERROR("wl%d: link up (%s)\n", wl->pub->unit, ifname);
1502 static void wl_link_down(struct wl_info *wl, char *ifname)
1504 WL_ERROR("wl%d: link down (%s)\n", wl->pub->unit, ifname);
1507 void wl_event(struct wl_info *wl, char *ifname, wlc_event_t *e)
1510 switch (e->event.event_type) {
1512 case WLC_E_NDIS_LINK:
1513 if (e->event.flags & WLC_EVENT_MSG_LINK)
1514 wl_link_up(wl, ifname);
1516 wl_link_down(wl, ifname);
1523 static void wl_timer(unsigned long data)
1525 _wl_timer((wl_timer_t *) data);
1528 static void _wl_timer(wl_timer_t *t)
1534 t->timer.expires = jiffies + t->ms * HZ / 1000;
1535 atomic_inc(&t->wl->callbacks);
1536 add_timer(&t->timer);
1544 atomic_dec(&t->wl->callbacks);
1549 wl_timer_t *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), void *arg,
1554 t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC);
1556 WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit);
1560 memset(t, 0, sizeof(wl_timer_t));
1562 init_timer(&t->timer);
1563 t->timer.data = (unsigned long) t;
1564 t->timer.function = wl_timer;
1568 t->next = wl->timers;
1572 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1574 strcpy(t->name, name);
1580 /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
1581 * as well as it's easier to make it periodic
1583 void wl_add_timer(struct wl_info *wl, wl_timer_t *t, uint ms, int periodic)
1587 WL_ERROR("%s: Already set. Name: %s, per %d\n",
1588 __func__, t->name, periodic);
1594 t->periodic = (bool) periodic;
1596 t->timer.expires = jiffies + ms * HZ / 1000;
1598 atomic_inc(&wl->callbacks);
1599 add_timer(&t->timer);
1602 /* return true if timer successfully deleted, false if still pending */
1603 bool wl_del_timer(struct wl_info *wl, wl_timer_t *t)
1607 if (!del_timer(&t->timer)) {
1610 atomic_dec(&wl->callbacks);
1616 void wl_free_timer(struct wl_info *wl, wl_timer_t *t)
1620 /* delete the timer in case it is active */
1621 wl_del_timer(wl, t);
1623 if (wl->timers == t) {
1624 wl->timers = wl->timers->next;
1636 if (tmp->next == t) {
1637 tmp->next = t->next;
1650 static int wl_linux_watchdog(void *ctx)
1652 struct wl_info *wl = (struct wl_info *) ctx;
1653 struct net_device_stats *stats = NULL;
1657 ASSERT(wl->stats_id < 2);
1659 id = 1 - wl->stats_id;
1661 stats = &wl->stats_watchdog[id];
1662 stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe);
1663 stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe);
1664 stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte);
1665 stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte);
1666 stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror);
1667 stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror);
1668 stats->collisions = 0;
1670 stats->rx_length_errors = 0;
1671 stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
1672 stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc);
1673 stats->rx_frame_errors = 0;
1674 stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
1675 stats->rx_missed_errors = 0;
1677 stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo);
1692 char *wl_firmwares[WL_MAX_FW] = {
1697 int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx)
1701 struct wl_fw_hdr *hdr;
1702 for (i = 0; i < wl->fw.fw_cnt; i++) {
1703 hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
1704 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1706 if (hdr->idx == idx) {
1707 pdata = wl->fw.fw_bin[i]->data + hdr->offset;
1708 *pbuf = kmalloc(hdr->len, GFP_ATOMIC);
1709 if (*pbuf == NULL) {
1710 printf("fail to alloc %d bytes\n",
1713 bcopy(pdata, *pbuf, hdr->len);
1718 printf("ERROR: ucode buf tag:%d can not be found!\n", idx);
1723 int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx)
1727 struct wl_fw_hdr *hdr;
1728 for (i = 0; i < wl->fw.fw_cnt; i++) {
1729 hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
1730 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1732 if (hdr->idx == idx) {
1733 pdata = wl->fw.fw_bin[i]->data + hdr->offset;
1734 ASSERT(hdr->len == 4);
1735 *data = *((u32 *) pdata);
1740 printf("ERROR: ucode tag:%d can not be found!\n", idx);
1744 static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev)
1747 struct device *device = &pdev->dev;
1751 memset((void *)&wl->fw, 0, sizeof(struct wl_firmware));
1752 for (i = 0; i < WL_MAX_FW; i++) {
1753 if (wl_firmwares[i] == NULL)
1755 sprintf(fw_name, "%s-%d.fw", wl_firmwares[i],
1756 UCODE_LOADER_API_VER);
1757 WL_NONE("request fw %s\n", fw_name);
1758 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
1760 printf("%s: fail to load firmware %s\n",
1761 KBUILD_MODNAME, fw_name);
1765 WL_NONE("request fw %s\n", fw_name);
1766 sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i],
1767 UCODE_LOADER_API_VER);
1768 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
1770 printf("%s: fail to load firmware %s\n",
1771 KBUILD_MODNAME, fw_name);
1775 wl->fw.hdr_num_entries[i] =
1776 wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr));
1777 WL_NONE("request fw %s find: %d entries\n",
1778 fw_name, wl->fw.hdr_num_entries[i]);
1781 return wl_ucode_data_init(wl);
1784 void wl_ucode_free_buf(void *p)
1789 static void wl_release_fw(struct wl_info *wl)
1792 for (i = 0; i < WL_MAX_FW; i++) {
1793 release_firmware(wl->fw.fw_bin[i]);
1794 release_firmware(wl->fw.fw_hdr[i]);
1800 * checks validity of all firmware images loaded from user space
1802 int wl_check_firmwares(struct wl_info *wl)
1807 const struct firmware *fw;
1808 const struct firmware *fw_hdr;
1809 struct wl_fw_hdr *ucode_hdr;
1810 for (i = 0; i < WL_MAX_FW && rc == 0; i++) {
1811 fw = wl->fw.fw_bin[i];
1812 fw_hdr = wl->fw.fw_hdr[i];
1813 if (fw == NULL && fw_hdr == NULL) {
1815 } else if (fw == NULL || fw_hdr == NULL) {
1816 WL_ERROR("%s: invalid bin/hdr fw\n", __func__);
1818 } else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) {
1819 WL_ERROR("%s: non integral fw hdr file size %d/%zu\n",
1820 __func__, fw_hdr->size,
1821 sizeof(struct wl_fw_hdr));
1823 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1824 WL_ERROR("%s: out of bounds fw file size %d\n",
1825 __func__, fw->size);
1828 /* check if ucode section overruns firmware image */
1829 ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data;
1830 for (entry = 0; entry < wl->fw.hdr_num_entries[i] && rc;
1831 entry++, ucode_hdr++) {
1832 if (ucode_hdr->offset + ucode_hdr->len >
1834 WL_ERROR("%s: conflicting bin/hdr\n",
1841 if (rc == 0 && wl->fw.fw_cnt != i) {
1842 WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt);