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 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,
160 MESSAGE_TYPE_CARDINIT, 0, 0,
161 sizeof(struct vnt_cmd_card_init), (u8 *)init_cmd);
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), (u8 *)init_rsp);
169 if (status != STATUS_SUCCESS) {
170 dev_dbg(&priv->usb->dev,
171 "Cardinit request in status fail!\n");
175 /* local ID for AES functions */
176 status = vnt_control_in(priv, MESSAGE_TYPE_READ,
177 MAC_REG_LOCALID, MESSAGE_REQUEST_MACREG, 1,
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 == true)
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 == true)
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 == true)
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)) {
282 calib_tx_iq = priv->eeprom[EEP_OFS_CALIB_TX_IQ];
283 calib_tx_dc = priv->eeprom[EEP_OFS_CALIB_TX_DC];
284 calib_rx_iq = priv->eeprom[EEP_OFS_CALIB_RX_IQ];
285 if (calib_tx_iq || calib_tx_dc || calib_rx_iq) {
286 /* CR255, enable TX/RX IQ and
287 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 */
310 vnt_control_out_u8(priv,
311 MESSAGE_REQUEST_BBREG,
318 /* get permanent network address */
319 memcpy(priv->permanent_net_addr, init_rsp->net_addr, 6);
320 ether_addr_copy(priv->current_net_addr, priv->permanent_net_addr);
322 /* if exist SW network address, use it */
323 dev_dbg(&priv->usb->dev, "Network address = %pM\n",
324 priv->current_net_addr);
327 * set BB and packet type at the same time
328 * set Short Slot Time, xIFS, and RSPINF
330 if (priv->bb_type == BB_TYPE_11A)
331 priv->short_slot_time = true;
333 priv->short_slot_time = false;
335 vnt_set_short_slot_time(priv);
337 priv->radio_ctl = priv->eeprom[EEP_OFS_RADIOCTL];
339 if ((priv->radio_ctl & EEP_RADIOCTL_ENABLE) != 0) {
340 status = vnt_control_in(priv, MESSAGE_TYPE_READ,
341 MAC_REG_GPIOCTL1, MESSAGE_REQUEST_MACREG, 1, &tmp);
343 if (status != STATUS_SUCCESS)
346 if ((tmp & GPIO3_DATA) == 0)
347 vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1,
350 vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1,
354 vnt_mac_set_led(priv, LEDSTS_TMLEN, 0x38);
356 vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW);
358 vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL0, 0x01);
360 vnt_radio_power_on(priv);
362 dev_dbg(&priv->usb->dev, "<----INIbInitAdapter Exit\n");
367 static void vnt_free_tx_bufs(struct vnt_private *priv)
369 struct vnt_usb_send_context *tx_context;
372 for (ii = 0; ii < priv->num_tx_context; ii++) {
373 tx_context = priv->tx_context[ii];
374 /* deallocate URBs */
375 if (tx_context->urb) {
376 usb_kill_urb(tx_context->urb);
377 usb_free_urb(tx_context->urb);
384 static void vnt_free_rx_bufs(struct vnt_private *priv)
389 for (ii = 0; ii < priv->num_rcb; ii++) {
394 /* deallocate URBs */
396 usb_kill_urb(rcb->urb);
397 usb_free_urb(rcb->urb);
402 dev_kfree_skb(rcb->skb);
408 static void usb_device_reset(struct vnt_private *priv)
412 status = usb_reset_device(priv->usb);
414 dev_warn(&priv->usb->dev,
415 "usb_device_reset fail status=%d\n", status);
418 static void vnt_free_int_bufs(struct vnt_private *priv)
420 kfree(priv->int_buf.data_buf);
423 static bool vnt_alloc_bufs(struct vnt_private *priv)
425 struct vnt_usb_send_context *tx_context;
429 for (ii = 0; ii < priv->num_tx_context; ii++) {
430 tx_context = kmalloc(sizeof(struct vnt_usb_send_context),
432 if (tx_context == NULL)
435 priv->tx_context[ii] = tx_context;
436 tx_context->priv = priv;
437 tx_context->pkt_no = ii;
440 tx_context->urb = usb_alloc_urb(0, GFP_ATOMIC);
441 if (!tx_context->urb) {
442 dev_err(&priv->usb->dev, "alloc tx urb failed\n");
446 tx_context->in_use = false;
449 for (ii = 0; ii < priv->num_rcb; ii++) {
450 priv->rcb[ii] = kzalloc(sizeof(struct vnt_rcb), GFP_KERNEL);
451 if (!priv->rcb[ii]) {
452 dev_err(&priv->usb->dev,
453 "failed to allocate rcb no %d\n", ii);
462 rcb->urb = usb_alloc_urb(0, GFP_ATOMIC);
463 if (rcb->urb == NULL) {
464 dev_err(&priv->usb->dev, "Failed to alloc rx urb\n");
468 rcb->skb = dev_alloc_skb(priv->rx_buf_sz);
469 if (rcb->skb == NULL)
475 if (vnt_submit_rx_urb(priv, rcb))
479 priv->interrupt_urb = usb_alloc_urb(0, GFP_ATOMIC);
480 if (priv->interrupt_urb == NULL) {
481 dev_err(&priv->usb->dev, "Failed to alloc int urb\n");
485 priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL);
486 if (priv->int_buf.data_buf == NULL) {
487 usb_free_urb(priv->interrupt_urb);
494 vnt_free_rx_bufs(priv);
497 vnt_free_tx_bufs(priv);
502 static void vnt_tx_80211(struct ieee80211_hw *hw,
503 struct ieee80211_tx_control *control, struct sk_buff *skb)
505 struct vnt_private *priv = hw->priv;
507 if (vnt_tx_packet(priv, skb))
508 ieee80211_free_txskb(hw, skb);
511 static int vnt_start(struct ieee80211_hw *hw)
513 struct vnt_private *priv = hw->priv;
515 priv->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS;
517 if (!vnt_alloc_bufs(priv)) {
518 dev_dbg(&priv->usb->dev, "vnt_alloc_bufs fail...\n");
522 clear_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags);
524 if (vnt_init_registers(priv) == false) {
525 dev_dbg(&priv->usb->dev, " init register fail\n");
529 priv->int_interval = 1; /* bInterval is set to 1 */
531 vnt_int_start_interrupt(priv);
533 ieee80211_wake_queues(hw);
538 vnt_free_rx_bufs(priv);
539 vnt_free_tx_bufs(priv);
540 vnt_free_int_bufs(priv);
542 usb_kill_urb(priv->interrupt_urb);
543 usb_free_urb(priv->interrupt_urb);
548 static void vnt_stop(struct ieee80211_hw *hw)
550 struct vnt_private *priv = hw->priv;
556 for (i = 0; i < MAX_KEY_TABLE; i++)
557 vnt_mac_disable_keyentry(priv, i);
560 priv->key_entry_inuse = 0;
562 if (!test_bit(DEVICE_FLAGS_UNPLUG, &priv->flags))
563 vnt_mac_shutdown(priv);
565 ieee80211_stop_queues(hw);
567 set_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags);
569 cancel_delayed_work_sync(&priv->run_command_work);
571 priv->cmd_running = false;
573 vnt_free_tx_bufs(priv);
574 vnt_free_rx_bufs(priv);
575 vnt_free_int_bufs(priv);
577 usb_kill_urb(priv->interrupt_urb);
578 usb_free_urb(priv->interrupt_urb);
581 static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
583 struct vnt_private *priv = hw->priv;
588 case NL80211_IFTYPE_STATION:
590 case NL80211_IFTYPE_ADHOC:
591 vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST);
593 vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC);
596 case NL80211_IFTYPE_AP:
597 vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST);
599 vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_AP);
606 priv->op_mode = vif->type;
608 vnt_set_bss_mode(priv);
610 /* LED blink on TX */
611 vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER);
616 static void vnt_remove_interface(struct ieee80211_hw *hw,
617 struct ieee80211_vif *vif)
619 struct vnt_private *priv = hw->priv;
622 case NL80211_IFTYPE_STATION:
624 case NL80211_IFTYPE_ADHOC:
625 vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
626 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
627 vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC);
629 case NL80211_IFTYPE_AP:
630 vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
631 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
632 vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_AP);
638 vnt_radio_power_off(priv);
640 priv->op_mode = NL80211_IFTYPE_UNSPECIFIED;
643 vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW);
646 static int vnt_config(struct ieee80211_hw *hw, u32 changed)
648 struct vnt_private *priv = hw->priv;
649 struct ieee80211_conf *conf = &hw->conf;
652 if (changed & IEEE80211_CONF_CHANGE_PS) {
653 if (conf->flags & IEEE80211_CONF_PS)
654 vnt_enable_power_saving(priv, conf->listen_interval);
656 vnt_disable_power_saving(priv);
659 if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) ||
660 (conf->flags & IEEE80211_CONF_OFFCHANNEL)) {
661 vnt_set_channel(priv, conf->chandef.chan->hw_value);
663 if (conf->chandef.chan->band == IEEE80211_BAND_5GHZ)
664 bb_type = BB_TYPE_11A;
666 bb_type = BB_TYPE_11G;
668 if (priv->bb_type != bb_type) {
669 priv->bb_type = bb_type;
671 vnt_set_bss_mode(priv);
675 if (changed & IEEE80211_CONF_CHANGE_POWER) {
676 if (priv->bb_type == BB_TYPE_11B)
677 priv->current_rate = RATE_1M;
679 priv->current_rate = RATE_54M;
681 vnt_rf_setpower(priv, priv->current_rate,
682 conf->chandef.chan->hw_value);
688 static void vnt_bss_info_changed(struct ieee80211_hw *hw,
689 struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf,
692 struct vnt_private *priv = hw->priv;
694 priv->current_aid = conf->aid;
696 if (changed & BSS_CHANGED_BSSID && conf->bssid)
697 vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid);
700 if (changed & BSS_CHANGED_BASIC_RATES) {
701 priv->basic_rates = conf->basic_rates;
703 vnt_update_top_rates(priv);
705 dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates);
708 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
709 if (conf->use_short_preamble) {
710 vnt_mac_enable_barker_preamble_mode(priv);
711 priv->preamble_type = true;
713 vnt_mac_disable_barker_preamble_mode(priv);
714 priv->preamble_type = false;
718 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
719 if (conf->use_cts_prot)
720 vnt_mac_enable_protect_mode(priv);
722 vnt_mac_disable_protect_mode(priv);
725 if (changed & BSS_CHANGED_ERP_SLOT) {
726 if (conf->use_short_slot)
727 priv->short_slot_time = true;
729 priv->short_slot_time = false;
731 vnt_set_short_slot_time(priv);
732 vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
733 vnt_update_pre_ed_threshold(priv, false);
736 if (changed & BSS_CHANGED_TXPOWER)
737 vnt_rf_setpower(priv, priv->current_rate,
738 conf->chandef.chan->hw_value);
740 if (changed & BSS_CHANGED_BEACON_ENABLED) {
741 dev_dbg(&priv->usb->dev,
742 "Beacon enable %d\n", conf->enable_beacon);
744 if (conf->enable_beacon) {
745 vnt_beacon_enable(priv, vif, conf);
747 vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
749 vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
753 if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) &&
754 priv->op_mode != NL80211_IFTYPE_AP) {
755 if (conf->assoc && conf->beacon_rate) {
756 vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
759 vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
760 conf->sync_tsf, priv->current_tsf);
762 vnt_mac_set_beacon_interval(priv, conf->beacon_int);
764 vnt_reset_next_tbtt(priv, conf->beacon_int);
766 vnt_clear_current_tsf(priv);
768 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL,
774 static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,
775 struct netdev_hw_addr_list *mc_list)
777 struct vnt_private *priv = hw->priv;
778 struct netdev_hw_addr *ha;
782 netdev_hw_addr_list_for_each(ha, mc_list) {
783 bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
785 mc_filter |= 1ULL << (bit_nr & 0x3f);
788 priv->mc_list_count = mc_list->count;
793 static void vnt_configure(struct ieee80211_hw *hw,
794 unsigned int changed_flags, unsigned int *total_flags, u64 multicast)
796 struct vnt_private *priv = hw->priv;
800 *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;
802 rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
803 MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
806 rx_mode = RCR_MULTICAST | RCR_BROADCAST;
808 dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode);
810 if (changed_flags & FIF_ALLMULTI) {
811 if (*total_flags & FIF_ALLMULTI) {
812 if (priv->mc_list_count > 2)
813 vnt_mac_set_filter(priv, ~0);
815 vnt_mac_set_filter(priv, multicast);
817 rx_mode |= RCR_MULTICAST | RCR_BROADCAST;
819 rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST);
824 if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) {
825 if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC))
826 rx_mode &= ~RCR_BSSID;
828 rx_mode |= RCR_BSSID;
831 vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, rx_mode);
833 dev_dbg(&priv->usb->dev, "rx mode out= %x\n", rx_mode);
836 static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
837 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
838 struct ieee80211_key_conf *key)
840 struct vnt_private *priv = hw->priv;
844 if (vnt_set_keys(hw, sta, vif, key))
848 if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
849 clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
857 static void vnt_sw_scan_start(struct ieee80211_hw *hw,
858 struct ieee80211_vif *vif,
861 struct vnt_private *priv = hw->priv;
863 vnt_set_bss_mode(priv);
864 /* Set max sensitivity*/
865 vnt_update_pre_ed_threshold(priv, true);
868 static void vnt_sw_scan_complete(struct ieee80211_hw *hw,
869 struct ieee80211_vif *vif)
871 struct vnt_private *priv = hw->priv;
873 /* Return sensitivity to channel level*/
874 vnt_update_pre_ed_threshold(priv, false);
877 static int vnt_get_stats(struct ieee80211_hw *hw,
878 struct ieee80211_low_level_stats *stats)
880 struct vnt_private *priv = hw->priv;
882 memcpy(stats, &priv->low_stats, sizeof(*stats));
887 static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
889 struct vnt_private *priv = hw->priv;
891 return priv->current_tsf;
894 static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
897 struct vnt_private *priv = hw->priv;
899 vnt_update_next_tbtt(priv, tsf, vif->bss_conf.beacon_int);
902 static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
904 struct vnt_private *priv = hw->priv;
906 vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
908 vnt_clear_current_tsf(priv);
911 static const struct ieee80211_ops vnt_mac_ops = {
915 .add_interface = vnt_add_interface,
916 .remove_interface = vnt_remove_interface,
917 .config = vnt_config,
918 .bss_info_changed = vnt_bss_info_changed,
919 .prepare_multicast = vnt_prepare_multicast,
920 .configure_filter = vnt_configure,
921 .set_key = vnt_set_key,
922 .sw_scan_start = vnt_sw_scan_start,
923 .sw_scan_complete = vnt_sw_scan_complete,
924 .get_stats = vnt_get_stats,
925 .get_tsf = vnt_get_tsf,
926 .set_tsf = vnt_set_tsf,
927 .reset_tsf = vnt_reset_tsf,
930 int vnt_init(struct vnt_private *priv)
933 if (!(vnt_init_registers(priv)))
936 SET_IEEE80211_PERM_ADDR(priv->hw, priv->permanent_net_addr);
938 vnt_init_bands(priv);
940 if (ieee80211_register_hw(priv->hw))
945 vnt_radio_power_off(priv);
951 vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
953 struct usb_device *udev;
954 struct vnt_private *priv;
955 struct ieee80211_hw *hw;
959 udev = usb_get_dev(interface_to_usbdev(intf));
961 dev_notice(&udev->dev, "%s Ver. %s\n",
962 DEVICE_FULL_DRV_NAM, DEVICE_VERSION);
963 dev_notice(&udev->dev,
964 "Copyright (c) 2004 VIA Networking Technologies, Inc.\n");
966 hw = ieee80211_alloc_hw(sizeof(struct vnt_private), &vnt_mac_ops);
968 dev_err(&udev->dev, "could not register ieee80211_hw\n");
977 vnt_set_options(priv);
979 spin_lock_init(&priv->lock);
980 mutex_init(&priv->usb_lock);
982 INIT_DELAYED_WORK(&priv->run_command_work, vnt_run_command);
984 usb_set_intfdata(intf, priv);
986 wiphy = priv->hw->wiphy;
988 wiphy->frag_threshold = FRAG_THRESH_DEF;
989 wiphy->rts_threshold = RTS_THRESH_DEF;
990 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
991 BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
993 ieee80211_hw_set(priv->hw, TIMING_BEACON_ONLY);
994 ieee80211_hw_set(priv->hw, SIGNAL_DBM);
995 ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS);
996 ieee80211_hw_set(priv->hw, REPORTS_TX_ACK_STATUS);
997 ieee80211_hw_set(priv->hw, SUPPORTS_PS);
999 priv->hw->max_signal = 100;
1001 SET_IEEE80211_DEV(priv->hw, &intf->dev);
1003 usb_device_reset(priv);
1005 clear_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags);
1006 vnt_reset_command_timer(priv);
1008 vnt_schedule_command(priv, WLAN_CMD_INIT_MAC80211);
1018 static void vt6656_disconnect(struct usb_interface *intf)
1020 struct vnt_private *priv = usb_get_intfdata(intf);
1026 ieee80211_unregister_hw(priv->hw);
1028 usb_set_intfdata(intf, NULL);
1029 usb_put_dev(interface_to_usbdev(intf));
1031 set_bit(DEVICE_FLAGS_UNPLUG, &priv->flags);
1033 ieee80211_free_hw(priv->hw);
1038 static int vt6656_suspend(struct usb_interface *intf, pm_message_t message)
1043 static int vt6656_resume(struct usb_interface *intf)
1048 #endif /* CONFIG_PM */
1050 MODULE_DEVICE_TABLE(usb, vt6656_table);
1052 static struct usb_driver vt6656_driver = {
1053 .name = DEVICE_NAME,
1054 .probe = vt6656_probe,
1055 .disconnect = vt6656_disconnect,
1056 .id_table = vt6656_table,
1058 .suspend = vt6656_suspend,
1059 .resume = vt6656_resume,
1060 #endif /* CONFIG_PM */
1063 module_usb_driver(vt6656_driver);