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);