2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
18 * Purpose: driver entry for initial, open, close, tx and rx.
26 * vt6656_probe - module initial (insmod) driver entry
27 * vnt_free_tx_bufs - free tx buffer function
28 * vnt_init_registers- initial MAC & BBP & RF internal registers.
34 #include <linux/etherdevice.h>
35 #include <linux/file.h>
51 * define module options
54 /* version information */
55 #define DRIVER_AUTHOR \
56 "VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>"
57 MODULE_AUTHOR(DRIVER_AUTHOR);
58 MODULE_LICENSE("GPL");
59 MODULE_DESCRIPTION(DEVICE_FULL_DRV_NAM);
61 #define RX_DESC_DEF0 64
62 static int vnt_rx_buffers = RX_DESC_DEF0;
63 module_param_named(rx_buffers, vnt_rx_buffers, int, 0644);
64 MODULE_PARM_DESC(rx_buffers, "Number of receive usb rx buffers");
66 #define TX_DESC_DEF0 64
67 static int vnt_tx_buffers = TX_DESC_DEF0;
68 module_param_named(tx_buffers, vnt_tx_buffers, int, 0644);
69 MODULE_PARM_DESC(tx_buffers, "Number of receive usb tx buffers");
71 #define RTS_THRESH_DEF 2347
72 #define FRAG_THRESH_DEF 2346
73 #define SHORT_RETRY_DEF 8
74 #define LONG_RETRY_DEF 4
76 /* BasebandType[] baseband type selected
77 * 0: indicate 802.11a type
78 * 1: indicate 802.11b type
79 * 2: indicate 802.11g type
82 #define BBP_TYPE_DEF 2
85 * Static vars definitions
88 static const struct usb_device_id vt6656_table[] = {
89 {USB_DEVICE(VNT_USB_VENDOR_ID, VNT_USB_PRODUCT_ID)},
93 static void vnt_set_options(struct vnt_private *priv)
95 /* Set number of TX buffers */
96 if (vnt_tx_buffers < CB_MIN_TX_DESC || vnt_tx_buffers > CB_MAX_TX_DESC)
97 priv->num_tx_context = TX_DESC_DEF0;
99 priv->num_tx_context = vnt_tx_buffers;
101 /* Set number of RX buffers */
102 if (vnt_rx_buffers < CB_MIN_RX_DESC || vnt_rx_buffers > CB_MAX_RX_DESC)
103 priv->num_rcb = RX_DESC_DEF0;
105 priv->num_rcb = vnt_rx_buffers;
107 priv->short_retry_limit = SHORT_RETRY_DEF;
108 priv->long_retry_limit = LONG_RETRY_DEF;
109 priv->op_mode = NL80211_IFTYPE_UNSPECIFIED;
110 priv->bb_type = BBP_TYPE_DEF;
111 priv->packet_type = priv->bb_type;
112 priv->auto_fb_ctrl = AUTO_FB_0;
113 priv->preamble_type = 0;
114 priv->exist_sw_net_addr = false;
118 * initialization of MAC & BBP registers
120 static int vnt_init_registers(struct vnt_private *priv)
122 struct vnt_cmd_card_init *init_cmd = &priv->init_command;
123 struct vnt_rsp_card_init *init_rsp = &priv->init_response;
126 int status = STATUS_SUCCESS;
128 u8 calib_tx_iq = 0, calib_tx_dc = 0, calib_rx_iq = 0;
130 dev_dbg(&priv->usb->dev, "---->INIbInitAdapter. [%d][%d]\n",
131 DEVICE_INIT_COLD, priv->packet_type);
133 if (!vnt_check_firmware_version(priv)) {
134 if (vnt_download_firmware(priv) == true) {
135 if (vnt_firmware_branch_to_sram(priv) == false) {
136 dev_dbg(&priv->usb->dev,
137 " vnt_firmware_branch_to_sram fail\n");
141 dev_dbg(&priv->usb->dev, "FIRMWAREbDownload fail\n");
146 if (!vnt_vt3184_init(priv)) {
147 dev_dbg(&priv->usb->dev, "vnt_vt3184_init fail\n");
151 init_cmd->init_class = DEVICE_INIT_COLD;
152 init_cmd->exist_sw_net_addr = priv->exist_sw_net_addr;
153 for (ii = 0; ii < 6; ii++)
154 init_cmd->sw_net_addr[ii] = priv->current_net_addr[ii];
155 init_cmd->short_retry_limit = priv->short_retry_limit;
156 init_cmd->long_retry_limit = priv->long_retry_limit;
158 /* issue card_init command to device */
159 status = vnt_control_out(priv, MESSAGE_TYPE_CARDINIT, 0, 0,
160 sizeof(struct vnt_cmd_card_init),
162 if (status != STATUS_SUCCESS) {
163 dev_dbg(&priv->usb->dev, "Issue Card init fail\n");
167 status = vnt_control_in(priv, MESSAGE_TYPE_INIT_RSP, 0, 0,
168 sizeof(struct vnt_rsp_card_init),
170 if (status != STATUS_SUCCESS) {
171 dev_dbg(&priv->usb->dev,
172 "Cardinit request in status fail!\n");
176 /* local ID for AES functions */
177 status = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_LOCALID,
178 MESSAGE_REQUEST_MACREG, 1, &priv->local_id);
179 if (status != STATUS_SUCCESS)
182 /* do MACbSoftwareReset in MACvInitialize */
184 priv->top_ofdm_basic_rate = RATE_24M;
185 priv->top_cck_basic_rate = RATE_1M;
187 /* target to IF pin while programming to RF chip */
190 priv->cck_pwr = priv->eeprom[EEP_OFS_PWR_CCK];
191 priv->ofdm_pwr_g = priv->eeprom[EEP_OFS_PWR_OFDMG];
192 /* load power table */
193 for (ii = 0; ii < 14; ii++) {
194 priv->cck_pwr_tbl[ii] =
195 priv->eeprom[ii + EEP_OFS_CCK_PWR_TBL];
196 if (priv->cck_pwr_tbl[ii] == 0)
197 priv->cck_pwr_tbl[ii] = priv->cck_pwr;
199 priv->ofdm_pwr_tbl[ii] =
200 priv->eeprom[ii + EEP_OFS_OFDM_PWR_TBL];
201 if (priv->ofdm_pwr_tbl[ii] == 0)
202 priv->ofdm_pwr_tbl[ii] = priv->ofdm_pwr_g;
206 * original zonetype is USA, but custom zonetype is Europe,
207 * then need to recover 12, 13, 14 channels with 11 channel
209 for (ii = 11; ii < 14; ii++) {
210 priv->cck_pwr_tbl[ii] = priv->cck_pwr_tbl[10];
211 priv->ofdm_pwr_tbl[ii] = priv->ofdm_pwr_tbl[10];
214 priv->ofdm_pwr_a = 0x34; /* same as RFbMA2829SelectChannel */
216 /* load OFDM A power table */
217 for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) {
218 priv->ofdm_a_pwr_tbl[ii] =
219 priv->eeprom[ii + EEP_OFS_OFDMA_PWR_TBL];
221 if (priv->ofdm_a_pwr_tbl[ii] == 0)
222 priv->ofdm_a_pwr_tbl[ii] = priv->ofdm_pwr_a;
225 antenna = priv->eeprom[EEP_OFS_ANTENNA];
227 if (antenna & EEP_ANTINV)
228 priv->tx_rx_ant_inv = true;
230 priv->tx_rx_ant_inv = false;
232 antenna &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
234 if (antenna == 0) /* if not set default is both */
235 antenna = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
237 if (antenna == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) {
238 priv->tx_antenna_mode = ANT_B;
239 priv->rx_antenna_sel = 1;
241 if (priv->tx_rx_ant_inv)
242 priv->rx_antenna_mode = ANT_A;
244 priv->rx_antenna_mode = ANT_B;
246 priv->rx_antenna_sel = 0;
248 if (antenna & EEP_ANTENNA_AUX) {
249 priv->tx_antenna_mode = ANT_A;
251 if (priv->tx_rx_ant_inv)
252 priv->rx_antenna_mode = ANT_B;
254 priv->rx_antenna_mode = ANT_A;
256 priv->tx_antenna_mode = ANT_B;
258 if (priv->tx_rx_ant_inv)
259 priv->rx_antenna_mode = ANT_A;
261 priv->rx_antenna_mode = ANT_B;
265 /* Set initial antenna mode */
266 vnt_set_antenna_mode(priv, priv->rx_antenna_mode);
268 /* get Auto Fall Back type */
269 priv->auto_fb_ctrl = AUTO_FB_0;
271 /* default Auto Mode */
272 priv->bb_type = BB_TYPE_11G;
275 priv->rf_type = init_rsp->rf_type;
277 /* load vt3266 calibration parameters in EEPROM */
278 if (priv->rf_type == RF_VT3226D0) {
279 if ((priv->eeprom[EEP_OFS_MAJOR_VER] == 0x1) &&
280 (priv->eeprom[EEP_OFS_MINOR_VER] >= 0x4)) {
281 calib_tx_iq = priv->eeprom[EEP_OFS_CALIB_TX_IQ];
282 calib_tx_dc = priv->eeprom[EEP_OFS_CALIB_TX_DC];
283 calib_rx_iq = priv->eeprom[EEP_OFS_CALIB_RX_IQ];
284 if (calib_tx_iq || calib_tx_dc || calib_rx_iq) {
285 /* CR255, enable TX/RX IQ and
286 * DC compensation mode
288 vnt_control_out_u8(priv,
289 MESSAGE_REQUEST_BBREG,
292 /* CR251, TX I/Q Imbalance Calibration */
293 vnt_control_out_u8(priv,
294 MESSAGE_REQUEST_BBREG,
297 /* CR252, TX DC-Offset Calibration */
298 vnt_control_out_u8(priv,
299 MESSAGE_REQUEST_BBREG,
302 /* CR253, RX I/Q Imbalance Calibration */
303 vnt_control_out_u8(priv,
304 MESSAGE_REQUEST_BBREG,
309 * BB Calibration compensation
311 vnt_control_out_u8(priv,
312 MESSAGE_REQUEST_BBREG,
319 /* get permanent network address */
320 memcpy(priv->permanent_net_addr, init_rsp->net_addr, 6);
321 ether_addr_copy(priv->current_net_addr, priv->permanent_net_addr);
323 /* if exist SW network address, use it */
324 dev_dbg(&priv->usb->dev, "Network address = %pM\n",
325 priv->current_net_addr);
328 * set BB and packet type at the same time
329 * set Short Slot Time, xIFS, and RSPINF
331 if (priv->bb_type == BB_TYPE_11A)
332 priv->short_slot_time = true;
334 priv->short_slot_time = false;
336 vnt_set_short_slot_time(priv);
338 priv->radio_ctl = priv->eeprom[EEP_OFS_RADIOCTL];
340 if ((priv->radio_ctl & EEP_RADIOCTL_ENABLE) != 0) {
341 status = vnt_control_in(priv, MESSAGE_TYPE_READ,
343 MESSAGE_REQUEST_MACREG, 1, &tmp);
345 if (status != STATUS_SUCCESS)
348 if ((tmp & GPIO3_DATA) == 0)
349 vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1,
352 vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1,
356 vnt_mac_set_led(priv, LEDSTS_TMLEN, 0x38);
358 vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW);
360 vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL0, 0x01);
362 vnt_radio_power_on(priv);
364 dev_dbg(&priv->usb->dev, "<----INIbInitAdapter Exit\n");
369 static void vnt_free_tx_bufs(struct vnt_private *priv)
371 struct vnt_usb_send_context *tx_context;
374 for (ii = 0; ii < priv->num_tx_context; ii++) {
375 tx_context = priv->tx_context[ii];
376 /* deallocate URBs */
377 if (tx_context->urb) {
378 usb_kill_urb(tx_context->urb);
379 usb_free_urb(tx_context->urb);
386 static void vnt_free_rx_bufs(struct vnt_private *priv)
391 for (ii = 0; ii < priv->num_rcb; ii++) {
396 /* deallocate URBs */
398 usb_kill_urb(rcb->urb);
399 usb_free_urb(rcb->urb);
404 dev_kfree_skb(rcb->skb);
410 static void vnt_free_int_bufs(struct vnt_private *priv)
412 kfree(priv->int_buf.data_buf);
415 static bool vnt_alloc_bufs(struct vnt_private *priv)
417 struct vnt_usb_send_context *tx_context;
421 for (ii = 0; ii < priv->num_tx_context; ii++) {
422 tx_context = kmalloc(sizeof(*tx_context), GFP_KERNEL);
426 priv->tx_context[ii] = tx_context;
427 tx_context->priv = priv;
428 tx_context->pkt_no = ii;
431 tx_context->urb = usb_alloc_urb(0, GFP_KERNEL);
432 if (!tx_context->urb)
435 tx_context->in_use = false;
438 for (ii = 0; ii < priv->num_rcb; ii++) {
439 priv->rcb[ii] = kzalloc(sizeof(*priv->rcb[ii]), GFP_KERNEL);
440 if (!priv->rcb[ii]) {
441 dev_err(&priv->usb->dev,
442 "failed to allocate rcb no %d\n", ii);
451 rcb->urb = usb_alloc_urb(0, GFP_KERNEL);
455 rcb->skb = dev_alloc_skb(priv->rx_buf_sz);
462 if (vnt_submit_rx_urb(priv, rcb))
466 priv->interrupt_urb = usb_alloc_urb(0, GFP_KERNEL);
467 if (!priv->interrupt_urb)
470 priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL);
471 if (!priv->int_buf.data_buf) {
472 usb_free_urb(priv->interrupt_urb);
479 vnt_free_rx_bufs(priv);
482 vnt_free_tx_bufs(priv);
487 static void vnt_tx_80211(struct ieee80211_hw *hw,
488 struct ieee80211_tx_control *control,
491 struct vnt_private *priv = hw->priv;
493 if (vnt_tx_packet(priv, skb))
494 ieee80211_free_txskb(hw, skb);
497 static int vnt_start(struct ieee80211_hw *hw)
499 struct vnt_private *priv = hw->priv;
501 priv->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS;
503 if (!vnt_alloc_bufs(priv)) {
504 dev_dbg(&priv->usb->dev, "vnt_alloc_bufs fail...\n");
508 clear_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags);
510 if (vnt_init_registers(priv) == false) {
511 dev_dbg(&priv->usb->dev, " init register fail\n");
515 if (vnt_key_init_table(priv))
518 priv->int_interval = 1; /* bInterval is set to 1 */
520 vnt_int_start_interrupt(priv);
522 ieee80211_wake_queues(hw);
527 vnt_free_rx_bufs(priv);
528 vnt_free_tx_bufs(priv);
529 vnt_free_int_bufs(priv);
531 usb_kill_urb(priv->interrupt_urb);
532 usb_free_urb(priv->interrupt_urb);
537 static void vnt_stop(struct ieee80211_hw *hw)
539 struct vnt_private *priv = hw->priv;
545 for (i = 0; i < MAX_KEY_TABLE; i++)
546 vnt_mac_disable_keyentry(priv, i);
549 priv->key_entry_inuse = 0;
551 if (!test_bit(DEVICE_FLAGS_UNPLUG, &priv->flags))
552 vnt_mac_shutdown(priv);
554 ieee80211_stop_queues(hw);
556 set_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags);
558 cancel_delayed_work_sync(&priv->run_command_work);
560 priv->cmd_running = false;
562 vnt_free_tx_bufs(priv);
563 vnt_free_rx_bufs(priv);
564 vnt_free_int_bufs(priv);
566 usb_kill_urb(priv->interrupt_urb);
567 usb_free_urb(priv->interrupt_urb);
570 static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
572 struct vnt_private *priv = hw->priv;
577 case NL80211_IFTYPE_STATION:
579 case NL80211_IFTYPE_ADHOC:
580 vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST);
582 vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC);
585 case NL80211_IFTYPE_AP:
586 vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST);
588 vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_AP);
595 priv->op_mode = vif->type;
597 /* LED blink on TX */
598 vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER);
603 static void vnt_remove_interface(struct ieee80211_hw *hw,
604 struct ieee80211_vif *vif)
606 struct vnt_private *priv = hw->priv;
609 case NL80211_IFTYPE_STATION:
611 case NL80211_IFTYPE_ADHOC:
612 vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
613 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
614 vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC);
616 case NL80211_IFTYPE_AP:
617 vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
618 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
619 vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_AP);
625 vnt_radio_power_off(priv);
627 priv->op_mode = NL80211_IFTYPE_UNSPECIFIED;
630 vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW);
633 static int vnt_config(struct ieee80211_hw *hw, u32 changed)
635 struct vnt_private *priv = hw->priv;
636 struct ieee80211_conf *conf = &hw->conf;
638 if (changed & IEEE80211_CONF_CHANGE_PS) {
639 if (conf->flags & IEEE80211_CONF_PS)
640 vnt_enable_power_saving(priv, conf->listen_interval);
642 vnt_disable_power_saving(priv);
645 if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) ||
646 (conf->flags & IEEE80211_CONF_OFFCHANNEL)) {
647 vnt_set_channel(priv, conf->chandef.chan->hw_value);
649 if (conf->chandef.chan->band == NL80211_BAND_5GHZ)
650 priv->bb_type = BB_TYPE_11A;
652 priv->bb_type = BB_TYPE_11G;
655 if (changed & IEEE80211_CONF_CHANGE_POWER) {
656 if (priv->bb_type == BB_TYPE_11B)
657 priv->current_rate = RATE_1M;
659 priv->current_rate = RATE_54M;
661 vnt_rf_setpower(priv, priv->current_rate,
662 conf->chandef.chan->hw_value);
668 static void vnt_bss_info_changed(struct ieee80211_hw *hw,
669 struct ieee80211_vif *vif,
670 struct ieee80211_bss_conf *conf, u32 changed)
672 struct vnt_private *priv = hw->priv;
674 priv->current_aid = conf->aid;
676 if (changed & BSS_CHANGED_BSSID && conf->bssid)
677 vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid);
679 if (changed & BSS_CHANGED_BASIC_RATES) {
680 priv->basic_rates = conf->basic_rates;
682 vnt_update_top_rates(priv);
684 dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates);
687 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
688 if (conf->use_short_preamble) {
689 vnt_mac_enable_barker_preamble_mode(priv);
690 priv->preamble_type = true;
692 vnt_mac_disable_barker_preamble_mode(priv);
693 priv->preamble_type = false;
697 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
698 if (conf->use_cts_prot)
699 vnt_mac_enable_protect_mode(priv);
701 vnt_mac_disable_protect_mode(priv);
704 if (changed & BSS_CHANGED_ERP_SLOT) {
705 if (conf->use_short_slot)
706 priv->short_slot_time = true;
708 priv->short_slot_time = false;
710 vnt_set_short_slot_time(priv);
711 vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
712 vnt_update_pre_ed_threshold(priv, false);
715 if (changed & (BSS_CHANGED_BASIC_RATES | BSS_CHANGED_ERP_PREAMBLE |
716 BSS_CHANGED_ERP_SLOT))
717 vnt_set_bss_mode(priv);
719 if (changed & BSS_CHANGED_TXPOWER)
720 vnt_rf_setpower(priv, priv->current_rate,
721 conf->chandef.chan->hw_value);
723 if (changed & BSS_CHANGED_BEACON_ENABLED) {
724 dev_dbg(&priv->usb->dev,
725 "Beacon enable %d\n", conf->enable_beacon);
727 if (conf->enable_beacon) {
728 vnt_beacon_enable(priv, vif, conf);
730 vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
732 vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
736 if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) &&
737 priv->op_mode != NL80211_IFTYPE_AP) {
738 if (conf->assoc && conf->beacon_rate) {
739 vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
742 vnt_mac_set_beacon_interval(priv, conf->beacon_int);
744 vnt_reset_next_tbtt(priv, conf->beacon_int);
746 vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
747 conf->sync_tsf, priv->current_tsf);
749 vnt_update_next_tbtt(priv,
750 conf->sync_tsf, conf->beacon_int);
752 vnt_clear_current_tsf(priv);
754 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL,
760 static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,
761 struct netdev_hw_addr_list *mc_list)
763 struct vnt_private *priv = hw->priv;
764 struct netdev_hw_addr *ha;
768 netdev_hw_addr_list_for_each(ha, mc_list) {
769 bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
771 mc_filter |= 1ULL << (bit_nr & 0x3f);
774 priv->mc_list_count = mc_list->count;
779 static void vnt_configure(struct ieee80211_hw *hw,
780 unsigned int changed_flags,
781 unsigned int *total_flags, u64 multicast)
783 struct vnt_private *priv = hw->priv;
786 *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;
788 vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
789 MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
791 dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode);
793 if (changed_flags & FIF_ALLMULTI) {
794 if (*total_flags & FIF_ALLMULTI) {
795 if (priv->mc_list_count > 2)
796 vnt_mac_set_filter(priv, ~0);
798 vnt_mac_set_filter(priv, multicast);
800 rx_mode |= RCR_MULTICAST | RCR_BROADCAST;
802 rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST);
806 if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) {
807 if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC))
808 rx_mode &= ~RCR_BSSID;
810 rx_mode |= RCR_BSSID;
813 vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, rx_mode);
815 dev_dbg(&priv->usb->dev, "rx mode out= %x\n", rx_mode);
818 static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
819 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
820 struct ieee80211_key_conf *key)
822 struct vnt_private *priv = hw->priv;
826 if (vnt_set_keys(hw, sta, vif, key))
830 if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) {
831 clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
833 vnt_mac_disable_keyentry(priv, key->hw_key_idx);
843 static void vnt_sw_scan_start(struct ieee80211_hw *hw,
844 struct ieee80211_vif *vif,
847 struct vnt_private *priv = hw->priv;
849 /* Set max sensitivity*/
850 vnt_update_pre_ed_threshold(priv, true);
853 static void vnt_sw_scan_complete(struct ieee80211_hw *hw,
854 struct ieee80211_vif *vif)
856 struct vnt_private *priv = hw->priv;
858 /* Return sensitivity to channel level*/
859 vnt_update_pre_ed_threshold(priv, false);
862 static int vnt_get_stats(struct ieee80211_hw *hw,
863 struct ieee80211_low_level_stats *stats)
865 struct vnt_private *priv = hw->priv;
867 memcpy(stats, &priv->low_stats, sizeof(*stats));
872 static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
874 struct vnt_private *priv = hw->priv;
876 return priv->current_tsf;
879 static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
882 struct vnt_private *priv = hw->priv;
884 vnt_update_next_tbtt(priv, tsf, vif->bss_conf.beacon_int);
887 static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
889 struct vnt_private *priv = hw->priv;
891 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
893 vnt_clear_current_tsf(priv);
896 static const struct ieee80211_ops vnt_mac_ops = {
900 .add_interface = vnt_add_interface,
901 .remove_interface = vnt_remove_interface,
902 .config = vnt_config,
903 .bss_info_changed = vnt_bss_info_changed,
904 .prepare_multicast = vnt_prepare_multicast,
905 .configure_filter = vnt_configure,
906 .set_key = vnt_set_key,
907 .sw_scan_start = vnt_sw_scan_start,
908 .sw_scan_complete = vnt_sw_scan_complete,
909 .get_stats = vnt_get_stats,
910 .get_tsf = vnt_get_tsf,
911 .set_tsf = vnt_set_tsf,
912 .reset_tsf = vnt_reset_tsf,
915 int vnt_init(struct vnt_private *priv)
917 if (!(vnt_init_registers(priv)))
920 SET_IEEE80211_PERM_ADDR(priv->hw, priv->permanent_net_addr);
922 vnt_init_bands(priv);
924 if (ieee80211_register_hw(priv->hw))
929 vnt_radio_power_off(priv);
935 vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
937 struct usb_device *udev;
938 struct vnt_private *priv;
939 struct ieee80211_hw *hw;
943 udev = usb_get_dev(interface_to_usbdev(intf));
945 dev_notice(&udev->dev, "%s Ver. %s\n",
946 DEVICE_FULL_DRV_NAM, DEVICE_VERSION);
947 dev_notice(&udev->dev,
948 "Copyright (c) 2004 VIA Networking Technologies, Inc.\n");
950 hw = ieee80211_alloc_hw(sizeof(struct vnt_private), &vnt_mac_ops);
952 dev_err(&udev->dev, "could not register ieee80211_hw\n");
962 vnt_set_options(priv);
964 spin_lock_init(&priv->lock);
965 mutex_init(&priv->usb_lock);
967 INIT_DELAYED_WORK(&priv->run_command_work, vnt_run_command);
969 usb_set_intfdata(intf, priv);
971 wiphy = priv->hw->wiphy;
973 wiphy->frag_threshold = FRAG_THRESH_DEF;
974 wiphy->rts_threshold = RTS_THRESH_DEF;
975 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
976 BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
978 ieee80211_hw_set(priv->hw, TIMING_BEACON_ONLY);
979 ieee80211_hw_set(priv->hw, SIGNAL_DBM);
980 ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS);
981 ieee80211_hw_set(priv->hw, REPORTS_TX_ACK_STATUS);
982 ieee80211_hw_set(priv->hw, SUPPORTS_PS);
983 ieee80211_hw_set(priv->hw, PS_NULLFUNC_STACK);
985 priv->hw->max_signal = 100;
987 SET_IEEE80211_DEV(priv->hw, &intf->dev);
989 rc = usb_reset_device(priv->usb);
991 dev_warn(&priv->usb->dev,
992 "%s reset fail status=%d\n", __func__, rc);
994 clear_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags);
995 vnt_reset_command_timer(priv);
997 vnt_schedule_command(priv, WLAN_CMD_INIT_MAC80211);
1007 static void vt6656_disconnect(struct usb_interface *intf)
1009 struct vnt_private *priv = usb_get_intfdata(intf);
1015 ieee80211_unregister_hw(priv->hw);
1017 usb_set_intfdata(intf, NULL);
1018 usb_put_dev(interface_to_usbdev(intf));
1020 set_bit(DEVICE_FLAGS_UNPLUG, &priv->flags);
1022 ieee80211_free_hw(priv->hw);
1027 static int vt6656_suspend(struct usb_interface *intf, pm_message_t message)
1032 static int vt6656_resume(struct usb_interface *intf)
1037 #endif /* CONFIG_PM */
1039 MODULE_DEVICE_TABLE(usb, vt6656_table);
1041 static struct usb_driver vt6656_driver = {
1042 .name = DEVICE_NAME,
1043 .probe = vt6656_probe,
1044 .disconnect = vt6656_disconnect,
1045 .id_table = vt6656_table,
1047 .suspend = vt6656_suspend,
1048 .resume = vt6656_resume,
1049 #endif /* CONFIG_PM */
1052 module_usb_driver(vt6656_driver);