2 * Marvell Wireless LAN device driver: functions for station ioctl
4 * Copyright (C) 2011, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
29 static int disconnect_on_suspend = 1;
30 module_param(disconnect_on_suspend, int, 0644);
33 * Copies the multicast address list from device to driver.
35 * This function does not validate the destination memory for
36 * size, and the calling function must ensure enough memory is
39 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
40 struct net_device *dev)
43 struct netdev_hw_addr *ha;
45 netdev_for_each_mc_addr(ha, dev)
46 memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
52 * Wait queue completion handler.
54 * This function waits on a cmd wait queue. It also cancels the pending
55 * request after waking up, in case of errors.
57 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
58 struct cmd_ctrl_node *cmd_queued)
62 /* Wait for completion */
63 status = wait_event_interruptible(adapter->cmd_wait_q.wait,
64 *(cmd_queued->condition));
66 dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
70 status = adapter->cmd_wait_q.status;
71 adapter->cmd_wait_q.status = 0;
77 * This function prepares the correct firmware command and
78 * issues it to set the multicast list.
80 * This function can be used to enable promiscuous mode, or enable all
81 * multicast packets, or to enable selective multicast.
83 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
84 struct mwifiex_multicast_list *mcast_list)
89 old_pkt_filter = priv->curr_pkt_filter;
91 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
92 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
93 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
94 priv->curr_pkt_filter &=
95 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
98 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
99 if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
100 dev_dbg(priv->adapter->dev,
101 "info: Enabling All Multicast!\n");
102 priv->curr_pkt_filter |=
103 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
105 priv->curr_pkt_filter &=
106 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
107 if (mcast_list->num_multicast_addr) {
108 dev_dbg(priv->adapter->dev,
109 "info: Set multicast list=%d\n",
110 mcast_list->num_multicast_addr);
111 /* Send multicast addresses to firmware */
112 ret = mwifiex_send_cmd_async(priv,
113 HostCmd_CMD_MAC_MULTICAST_ADR,
114 HostCmd_ACT_GEN_SET, 0,
119 dev_dbg(priv->adapter->dev,
120 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
121 old_pkt_filter, priv->curr_pkt_filter);
122 if (old_pkt_filter != priv->curr_pkt_filter) {
123 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
125 0, &priv->curr_pkt_filter);
132 * This function fills bss descriptor structure using provided
134 * beacon_ie buffer is allocated in this function. It is caller's
135 * responsibility to free the memory.
137 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
138 struct cfg80211_bss *bss,
139 struct mwifiex_bssdescriptor *bss_desc)
142 size_t beacon_ie_len;
143 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
144 const struct cfg80211_bss_ies *ies;
147 ies = rcu_dereference(bss->ies);
148 beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
149 beacon_ie_len = ies->len;
150 bss_desc->timestamp = ies->tsf;
154 dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
158 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
159 bss_desc->rssi = bss->signal;
160 /* The caller of this function will free beacon_ie */
161 bss_desc->beacon_buf = beacon_ie;
162 bss_desc->beacon_buf_size = beacon_ie_len;
163 bss_desc->beacon_period = bss->beacon_interval;
164 bss_desc->cap_info_bitmap = bss->capability;
165 bss_desc->bss_band = bss_priv->band;
166 bss_desc->fw_tsf = bss_priv->fw_tsf;
167 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
168 dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
169 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
171 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
173 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
174 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
176 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
178 /* Disable 11ac by default. Enable it only where there
179 * exist VHT_CAP IE in AP beacon
181 bss_desc->disable_11ac = true;
183 return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
186 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
187 struct cfg80211_bss *bss)
189 const u8 *country_ie;
191 struct mwifiex_802_11d_domain_reg *domain_info =
192 &priv->adapter->domain_reg;
195 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
201 country_ie_len = country_ie[1];
202 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
207 domain_info->country_code[0] = country_ie[2];
208 domain_info->country_code[1] = country_ie[3];
209 domain_info->country_code[2] = ' ';
211 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
213 domain_info->no_of_triplet =
214 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
216 memcpy((u8 *)domain_info->triplet,
217 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
221 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
222 HostCmd_ACT_GEN_SET, 0, NULL)) {
223 wiphy_err(priv->adapter->wiphy,
224 "11D: setting domain info in FW\n");
232 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
233 * In both Ad-Hoc and infra mode, an deauthentication is performed
236 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
237 struct cfg80211_ssid *req_ssid)
240 struct mwifiex_adapter *adapter = priv->adapter;
241 struct mwifiex_bssdescriptor *bss_desc = NULL;
243 priv->scan_block = false;
246 mwifiex_process_country_ie(priv, bss);
248 /* Allocate and fill new bss descriptor */
249 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
254 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
259 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
261 ret = mwifiex_deauthenticate(priv, NULL);
268 if (mwifiex_band_to_radio_type((u8) bss_desc->bss_band)
269 == HostCmd_SCAN_RADIO_TYPE_BG)
270 config_bands = BAND_B | BAND_G | BAND_GN |
273 config_bands = BAND_A | BAND_AN | BAND_AAC;
275 if (!((config_bands | adapter->fw_bands) &
277 adapter->config_bands = config_bands;
280 ret = mwifiex_check_network_compatibility(priv, bss_desc);
284 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
287 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
288 if (netif_carrier_ok(priv->netdev))
289 netif_carrier_off(priv->netdev);
291 /* Clear any past association response stored for
292 * application retrieval */
293 priv->assoc_rsp_size = 0;
294 ret = mwifiex_associate(priv, bss_desc);
296 /* If auth type is auto and association fails using open mode,
297 * try to connect using shared mode */
298 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
299 priv->sec_info.is_authtype_auto &&
300 priv->sec_info.wep_enabled) {
301 priv->sec_info.authentication_mode =
302 NL80211_AUTHTYPE_SHARED_KEY;
303 ret = mwifiex_associate(priv, bss_desc);
307 cfg80211_put_bss(priv->adapter->wiphy, bss);
310 /* If the requested SSID matches current SSID, return */
311 if (bss_desc && bss_desc->ssid.ssid_len &&
312 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
313 ssid, &bss_desc->ssid))) {
318 /* Exit Adhoc mode first */
319 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
320 ret = mwifiex_deauthenticate(priv, NULL);
324 priv->adhoc_is_link_sensed = false;
326 ret = mwifiex_check_network_compatibility(priv, bss_desc);
328 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
329 if (netif_carrier_ok(priv->netdev))
330 netif_carrier_off(priv->netdev);
333 dev_dbg(adapter->dev, "info: network found in scan"
334 " list. Joining...\n");
335 ret = mwifiex_adhoc_join(priv, bss_desc);
337 cfg80211_put_bss(priv->adapter->wiphy, bss);
339 dev_dbg(adapter->dev, "info: Network not found in "
340 "the list, creating adhoc with ssid = %s\n",
342 ret = mwifiex_adhoc_start(priv, req_ssid);
347 /* beacon_ie buffer was allocated in function
348 * mwifiex_fill_new_bss_desc(). Free it now.
351 kfree(bss_desc->beacon_buf);
357 * IOCTL request handler to set host sleep configuration.
359 * This function prepares the correct firmware command and
362 static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
363 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
366 struct mwifiex_adapter *adapter = priv->adapter;
374 case HostCmd_ACT_GEN_SET:
375 if (adapter->pps_uapsd_mode) {
376 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
377 " is blocked in UAPSD/PPS mode\n");
381 if (hs_cfg->is_invoke_hostcmd) {
382 if (hs_cfg->conditions == HS_CFG_CANCEL) {
383 if (!adapter->is_hs_configured)
384 /* Already cancelled */
386 /* Save previous condition */
387 prev_cond = le32_to_cpu(adapter->hs_cfg
389 adapter->hs_cfg.conditions =
390 cpu_to_le32(hs_cfg->conditions);
391 } else if (hs_cfg->conditions) {
392 adapter->hs_cfg.conditions =
393 cpu_to_le32(hs_cfg->conditions);
394 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
396 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
397 } else if (adapter->hs_cfg.conditions ==
398 cpu_to_le32(HS_CFG_CANCEL)) {
399 /* Return failure if no parameters for HS
404 if (cmd_type == MWIFIEX_SYNC_CMD)
405 status = mwifiex_send_cmd_sync(priv,
406 HostCmd_CMD_802_11_HS_CFG_ENH,
407 HostCmd_ACT_GEN_SET, 0,
410 status = mwifiex_send_cmd_async(priv,
411 HostCmd_CMD_802_11_HS_CFG_ENH,
412 HostCmd_ACT_GEN_SET, 0,
414 if (hs_cfg->conditions == HS_CFG_CANCEL)
415 /* Restore previous condition */
416 adapter->hs_cfg.conditions =
417 cpu_to_le32(prev_cond);
419 adapter->hs_cfg.conditions =
420 cpu_to_le32(hs_cfg->conditions);
421 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
422 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
425 case HostCmd_ACT_GEN_GET:
426 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
427 hs_cfg->gpio = adapter->hs_cfg.gpio;
428 hs_cfg->gap = adapter->hs_cfg.gap;
439 * Sends IOCTL request to cancel the existing Host Sleep configuration.
441 * This function allocates the IOCTL request buffer, fills it
442 * with requisite parameters and calls the IOCTL handler.
444 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
446 struct mwifiex_ds_hs_cfg hscfg;
448 hscfg.conditions = HS_CFG_CANCEL;
449 hscfg.is_invoke_hostcmd = true;
451 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
454 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
457 * Sends IOCTL request to cancel the existing Host Sleep configuration.
459 * This function allocates the IOCTL request buffer, fills it
460 * with requisite parameters and calls the IOCTL handler.
462 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
464 struct mwifiex_ds_hs_cfg hscfg;
465 struct mwifiex_private *priv;
468 if (disconnect_on_suspend) {
469 for (i = 0; i < adapter->priv_num; i++) {
470 priv = adapter->priv[i];
472 mwifiex_deauthenticate(priv, NULL);
476 if (adapter->hs_activated) {
477 dev_dbg(adapter->dev, "cmd: HS Already activated\n");
481 adapter->hs_activate_wait_q_woken = false;
483 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
484 hscfg.is_invoke_hostcmd = true;
486 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
487 MWIFIEX_BSS_ROLE_STA),
488 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
490 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
494 if (wait_event_interruptible(adapter->hs_activate_wait_q,
495 adapter->hs_activate_wait_q_woken)) {
496 dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
502 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
505 * IOCTL request handler to get BSS information.
507 * This function collates the information from different driver structures
508 * to send to the user.
510 int mwifiex_get_bss_info(struct mwifiex_private *priv,
511 struct mwifiex_bss_info *info)
513 struct mwifiex_adapter *adapter = priv->adapter;
514 struct mwifiex_bssdescriptor *bss_desc;
519 bss_desc = &priv->curr_bss_params.bss_descriptor;
521 info->bss_mode = priv->bss_mode;
523 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
525 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
527 info->bss_chan = bss_desc->channel;
529 memcpy(info->country_code, adapter->country_code,
530 IEEE80211_COUNTRY_STRING_LEN);
532 info->media_connected = priv->media_connected;
534 info->max_power_level = priv->max_tx_power_level;
535 info->min_power_level = priv->min_tx_power_level;
537 info->adhoc_state = priv->adhoc_state;
539 info->bcn_nf_last = priv->bcn_nf_last;
541 if (priv->sec_info.wep_enabled)
542 info->wep_status = true;
544 info->wep_status = false;
546 info->is_hs_configured = adapter->is_hs_configured;
547 info->is_deep_sleep = adapter->is_deep_sleep;
553 * The function disables auto deep sleep mode.
555 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
557 struct mwifiex_ds_auto_ds auto_ds;
559 auto_ds.auto_ds = DEEP_SLEEP_OFF;
561 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
562 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
564 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
567 * Sends IOCTL request to get the data rate.
569 * This function allocates the IOCTL request buffer, fills it
570 * with requisite parameters and calls the IOCTL handler.
572 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
576 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
577 HostCmd_ACT_GEN_GET, 0, NULL);
580 if (priv->is_data_rate_auto)
581 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
584 *rate = priv->data_rate;
591 * IOCTL request handler to set tx power configuration.
593 * This function prepares the correct firmware command and
596 * For non-auto power mode, all the following power groups are set -
597 * - Modulation class HR/DSSS
598 * - Modulation class OFDM
599 * - Modulation class HTBW20
600 * - Modulation class HTBW40
602 int mwifiex_set_tx_power(struct mwifiex_private *priv,
603 struct mwifiex_power_cfg *power_cfg)
606 struct host_cmd_ds_txpwr_cfg *txp_cfg;
607 struct mwifiex_types_power_group *pg_tlv;
608 struct mwifiex_power_group *pg;
612 if (!power_cfg->is_power_auto) {
613 dbm = (u16) power_cfg->power_level;
614 if ((dbm < priv->min_tx_power_level) ||
615 (dbm > priv->max_tx_power_level)) {
616 dev_err(priv->adapter->dev, "txpower value %d dBm"
617 " is out of range (%d dBm-%d dBm)\n",
618 dbm, priv->min_tx_power_level,
619 priv->max_tx_power_level);
623 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
627 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
628 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
629 if (!power_cfg->is_power_auto) {
630 txp_cfg->mode = cpu_to_le32(1);
631 pg_tlv = (struct mwifiex_types_power_group *)
632 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
633 pg_tlv->type = TLV_TYPE_POWER_GROUP;
634 pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
635 pg = (struct mwifiex_power_group *)
636 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
637 + sizeof(struct mwifiex_types_power_group));
638 /* Power group for modulation class HR/DSSS */
639 pg->first_rate_code = 0x00;
640 pg->last_rate_code = 0x03;
641 pg->modulation_class = MOD_CLASS_HR_DSSS;
643 pg->power_min = (s8) dbm;
644 pg->power_max = (s8) dbm;
646 /* Power group for modulation class OFDM */
647 pg->first_rate_code = 0x00;
648 pg->last_rate_code = 0x07;
649 pg->modulation_class = MOD_CLASS_OFDM;
651 pg->power_min = (s8) dbm;
652 pg->power_max = (s8) dbm;
654 /* Power group for modulation class HTBW20 */
655 pg->first_rate_code = 0x00;
656 pg->last_rate_code = 0x20;
657 pg->modulation_class = MOD_CLASS_HT;
659 pg->power_min = (s8) dbm;
660 pg->power_max = (s8) dbm;
661 pg->ht_bandwidth = HT_BW_20;
663 /* Power group for modulation class HTBW40 */
664 pg->first_rate_code = 0x00;
665 pg->last_rate_code = 0x20;
666 pg->modulation_class = MOD_CLASS_HT;
668 pg->power_min = (s8) dbm;
669 pg->power_max = (s8) dbm;
670 pg->ht_bandwidth = HT_BW_40;
672 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
673 HostCmd_ACT_GEN_SET, 0, buf);
680 * IOCTL request handler to get power save mode.
682 * This function prepares the correct firmware command and
685 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
688 struct mwifiex_adapter *adapter = priv->adapter;
692 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
694 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
695 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
696 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
697 sub_cmd, BITMAP_STA_PS, NULL);
698 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
699 ret = mwifiex_send_cmd_async(priv,
700 HostCmd_CMD_802_11_PS_MODE_ENH,
707 * IOCTL request handler to set/reset WPA IE.
709 * The supplied WPA IE is treated as a opaque buffer. Only the first field
710 * is checked to determine WPA version. If buffer length is zero, the existing
713 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
714 u8 *ie_data_ptr, u16 ie_len)
717 if (ie_len > sizeof(priv->wpa_ie)) {
718 dev_err(priv->adapter->dev,
719 "failed to copy WPA IE, too big\n");
722 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
723 priv->wpa_ie_len = (u8) ie_len;
724 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
725 priv->wpa_ie_len, priv->wpa_ie[0]);
727 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
728 priv->sec_info.wpa_enabled = true;
729 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
730 priv->sec_info.wpa2_enabled = true;
732 priv->sec_info.wpa_enabled = false;
733 priv->sec_info.wpa2_enabled = false;
736 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
737 priv->wpa_ie_len = 0;
738 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
739 priv->wpa_ie_len, priv->wpa_ie[0]);
740 priv->sec_info.wpa_enabled = false;
741 priv->sec_info.wpa2_enabled = false;
748 * IOCTL request handler to set/reset WAPI IE.
750 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
751 * is checked to internally enable WAPI. If buffer length is zero, the existing
754 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
755 u8 *ie_data_ptr, u16 ie_len)
758 if (ie_len > sizeof(priv->wapi_ie)) {
759 dev_dbg(priv->adapter->dev,
760 "info: failed to copy WAPI IE, too big\n");
763 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
764 priv->wapi_ie_len = ie_len;
765 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
766 priv->wapi_ie_len, priv->wapi_ie[0]);
768 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
769 priv->sec_info.wapi_enabled = true;
771 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
772 priv->wapi_ie_len = ie_len;
773 dev_dbg(priv->adapter->dev,
774 "info: Reset wapi_ie_len=%d IE=%#x\n",
775 priv->wapi_ie_len, priv->wapi_ie[0]);
776 priv->sec_info.wapi_enabled = false;
782 * IOCTL request handler to set/reset WPS IE.
784 * The supplied WPS IE is treated as a opaque buffer. Only the first field
785 * is checked to internally enable WPS. If buffer length is zero, the existing
788 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
789 u8 *ie_data_ptr, u16 ie_len)
792 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
795 if (ie_len > sizeof(priv->wps_ie)) {
796 dev_dbg(priv->adapter->dev,
797 "info: failed to copy WPS IE, too big\n");
801 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
802 priv->wps_ie_len = ie_len;
803 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
804 priv->wps_ie_len, priv->wps_ie[0]);
807 priv->wps_ie_len = ie_len;
808 dev_dbg(priv->adapter->dev,
809 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
815 * IOCTL request handler to set WAPI key.
817 * This function prepares the correct firmware command and
820 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
821 struct mwifiex_ds_encrypt_key *encrypt_key)
824 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
825 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
830 * IOCTL request handler to set WEP network key.
832 * This function prepares the correct firmware command and
833 * issues it, after validation checks.
835 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
836 struct mwifiex_ds_encrypt_key *encrypt_key)
839 struct mwifiex_wep_key *wep_key;
842 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
843 priv->wep_key_curr_index = 0;
844 wep_key = &priv->wep_key[priv->wep_key_curr_index];
845 index = encrypt_key->key_index;
846 if (encrypt_key->key_disable) {
847 priv->sec_info.wep_enabled = 0;
848 } else if (!encrypt_key->key_len) {
849 /* Copy the required key as the current key */
850 wep_key = &priv->wep_key[index];
851 if (!wep_key->key_length) {
852 dev_err(priv->adapter->dev,
853 "key not set, so cannot enable it\n");
856 priv->wep_key_curr_index = (u16) index;
857 priv->sec_info.wep_enabled = 1;
859 wep_key = &priv->wep_key[index];
860 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
861 /* Copy the key in the driver */
862 memcpy(wep_key->key_material,
863 encrypt_key->key_material,
864 encrypt_key->key_len);
865 wep_key->key_index = index;
866 wep_key->key_length = encrypt_key->key_len;
867 priv->sec_info.wep_enabled = 1;
869 if (wep_key->key_length) {
870 /* Send request to firmware */
871 ret = mwifiex_send_cmd_async(priv,
872 HostCmd_CMD_802_11_KEY_MATERIAL,
873 HostCmd_ACT_GEN_SET, 0, NULL);
877 if (priv->sec_info.wep_enabled)
878 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
880 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
882 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
883 HostCmd_ACT_GEN_SET, 0,
884 &priv->curr_pkt_filter);
890 * IOCTL request handler to set WPA key.
892 * This function prepares the correct firmware command and
893 * issues it, after validation checks.
895 * Current driver only supports key length of up to 32 bytes.
897 * This function can also be used to disable a currently set key.
899 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
900 struct mwifiex_ds_encrypt_key *encrypt_key)
903 u8 remove_key = false;
904 struct host_cmd_ds_802_11_key_material *ibss_key;
906 /* Current driver only supports key length of up to 32 bytes */
907 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
908 dev_err(priv->adapter->dev, "key length too long\n");
912 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
914 * IBSS/WPA-None uses only one key (Group) for both receiving
915 * and sending unicast and multicast packets.
917 /* Send the key as PTK to firmware */
918 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
919 ret = mwifiex_send_cmd_async(priv,
920 HostCmd_CMD_802_11_KEY_MATERIAL,
922 KEY_INFO_ENABLED, encrypt_key);
926 ibss_key = &priv->aes_key;
928 sizeof(struct host_cmd_ds_802_11_key_material));
929 /* Copy the key in the driver */
930 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
931 encrypt_key->key_len);
932 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
933 sizeof(ibss_key->key_param_set.key_len));
934 ibss_key->key_param_set.key_type_id
935 = cpu_to_le16(KEY_TYPE_ID_TKIP);
936 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
938 /* Send the key as GTK to firmware */
939 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
942 if (!encrypt_key->key_index)
943 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
946 ret = mwifiex_send_cmd_sync(priv,
947 HostCmd_CMD_802_11_KEY_MATERIAL,
949 !KEY_INFO_ENABLED, encrypt_key);
951 ret = mwifiex_send_cmd_sync(priv,
952 HostCmd_CMD_802_11_KEY_MATERIAL,
954 KEY_INFO_ENABLED, encrypt_key);
960 * IOCTL request handler to set/get network keys.
962 * This is a generic key handling function which supports WEP, WPA
966 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
967 struct mwifiex_ds_encrypt_key *encrypt_key)
971 if (encrypt_key->is_wapi_key)
972 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
973 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
974 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
976 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
981 * This function returns the driver version.
984 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
993 ver.l = adapter->fw_release_number;
994 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
996 snprintf(version, max_len, driver_version, fw_ver);
998 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1004 * Sends IOCTL request to set encoding parameters.
1006 * This function allocates the IOCTL request buffer, fills it
1007 * with requisite parameters and calls the IOCTL handler.
1009 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1010 const u8 *key, int key_len, u8 key_index,
1011 const u8 *mac_addr, int disable)
1013 struct mwifiex_ds_encrypt_key encrypt_key;
1015 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1016 encrypt_key.key_len = key_len;
1018 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1019 encrypt_key.is_igtk_key = true;
1022 encrypt_key.key_index = key_index;
1024 memcpy(encrypt_key.key_material, key, key_len);
1026 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1027 if (kp && kp->seq && kp->seq_len)
1028 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1030 encrypt_key.key_disable = true;
1032 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1035 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1039 * Sends IOCTL request to get extended version.
1041 * This function allocates the IOCTL request buffer, fills it
1042 * with requisite parameters and calls the IOCTL handler.
1045 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1047 struct mwifiex_ver_ext ver_ext;
1049 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1050 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1051 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1058 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1059 struct ieee80211_channel *chan,
1060 unsigned int duration)
1062 struct host_cmd_ds_remain_on_chan roc_cfg;
1065 memset(&roc_cfg, 0, sizeof(roc_cfg));
1066 roc_cfg.action = cpu_to_le16(action);
1067 if (action == HostCmd_ACT_GEN_SET) {
1068 roc_cfg.band_cfg = chan->band;
1069 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1070 roc_cfg.band_cfg |= (sc << 2);
1073 ieee80211_frequency_to_channel(chan->center_freq);
1074 roc_cfg.duration = cpu_to_le32(duration);
1076 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1077 action, 0, &roc_cfg)) {
1078 dev_err(priv->adapter->dev, "failed to remain on channel\n");
1082 return roc_cfg.status;
1086 mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
1088 if (GET_BSS_ROLE(priv) == bss_role) {
1089 dev_dbg(priv->adapter->dev,
1090 "info: already in the desired role.\n");
1094 mwifiex_free_priv(priv);
1095 mwifiex_init_priv(priv);
1097 priv->bss_role = bss_role;
1099 case MWIFIEX_BSS_ROLE_UAP:
1100 priv->bss_mode = NL80211_IFTYPE_AP;
1102 case MWIFIEX_BSS_ROLE_STA:
1103 case MWIFIEX_BSS_ROLE_ANY:
1105 priv->bss_mode = NL80211_IFTYPE_STATION;
1109 mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
1110 HostCmd_ACT_GEN_SET, 0, NULL);
1112 return mwifiex_sta_init_cmd(priv, false);
1116 * Sends IOCTL request to get statistics information.
1118 * This function allocates the IOCTL request buffer, fills it
1119 * with requisite parameters and calls the IOCTL handler.
1122 mwifiex_get_stats_info(struct mwifiex_private *priv,
1123 struct mwifiex_ds_get_stats *log)
1125 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1126 HostCmd_ACT_GEN_GET, 0, log);
1130 * IOCTL request handler to read/write register.
1132 * This function prepares the correct firmware command and
1135 * Access to the following registers are supported -
1142 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1143 struct mwifiex_ds_reg_rw *reg_rw,
1148 switch (le32_to_cpu(reg_rw->type)) {
1149 case MWIFIEX_REG_MAC:
1150 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1152 case MWIFIEX_REG_BBP:
1153 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1155 case MWIFIEX_REG_RF:
1156 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1158 case MWIFIEX_REG_PMIC:
1159 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1161 case MWIFIEX_REG_CAU:
1162 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1168 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1173 * Sends IOCTL request to write to a register.
1175 * This function allocates the IOCTL request buffer, fills it
1176 * with requisite parameters and calls the IOCTL handler.
1179 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1180 u32 reg_offset, u32 reg_value)
1182 struct mwifiex_ds_reg_rw reg_rw;
1184 reg_rw.type = cpu_to_le32(reg_type);
1185 reg_rw.offset = cpu_to_le32(reg_offset);
1186 reg_rw.value = cpu_to_le32(reg_value);
1188 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1192 * Sends IOCTL request to read from a register.
1194 * This function allocates the IOCTL request buffer, fills it
1195 * with requisite parameters and calls the IOCTL handler.
1198 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1199 u32 reg_offset, u32 *value)
1202 struct mwifiex_ds_reg_rw reg_rw;
1204 reg_rw.type = cpu_to_le32(reg_type);
1205 reg_rw.offset = cpu_to_le32(reg_offset);
1206 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1211 *value = le32_to_cpu(reg_rw.value);
1218 * Sends IOCTL request to read from EEPROM.
1220 * This function allocates the IOCTL request buffer, fills it
1221 * with requisite parameters and calls the IOCTL handler.
1224 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1228 struct mwifiex_ds_read_eeprom rd_eeprom;
1230 rd_eeprom.offset = cpu_to_le16((u16) offset);
1231 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1233 /* Send request to firmware */
1234 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1235 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1238 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1243 * This function sets a generic IE. In addition to generic IE, it can
1244 * also handle WPA, WPA2 and WAPI IEs.
1247 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1251 struct ieee_types_vendor_header *pvendor_ie;
1252 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1253 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1255 /* If the passed length is zero, reset the buffer */
1257 priv->gen_ie_buf_len = 0;
1258 priv->wps.session_enable = false;
1261 } else if (!ie_data_ptr) {
1264 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1265 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1266 if (((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1267 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1268 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1270 /* IE is a WPA/WPA2 IE so call set_wpa function */
1271 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1272 priv->wps.session_enable = false;
1275 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1276 /* IE is a WAPI IE so call set_wapi function */
1277 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1282 * Verify that the passed length is not larger than the
1283 * available space remaining in the buffer
1285 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1287 /* Test to see if it is a WPS IE, if so, enable
1290 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1291 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1292 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1293 priv->wps.session_enable = true;
1294 dev_dbg(priv->adapter->dev,
1295 "info: WPS Session Enabled.\n");
1296 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1299 /* Append the passed data to the end of the
1301 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1303 /* Increment the stored buffer length by the
1305 priv->gen_ie_buf_len += ie_len;
1307 /* Passed data does not fit in the remaining
1312 /* Return 0, or -1 for error case */
1317 * IOCTL request handler to set/get generic IE.
1319 * In addition to various generic IEs, this function can also be
1320 * used to set the ARP filter.
1322 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1323 struct mwifiex_ds_misc_gen_ie *gen_ie,
1326 struct mwifiex_adapter *adapter = priv->adapter;
1328 switch (gen_ie->type) {
1329 case MWIFIEX_IE_TYPE_GEN_IE:
1330 if (action == HostCmd_ACT_GEN_GET) {
1331 gen_ie->len = priv->wpa_ie_len;
1332 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1334 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1338 case MWIFIEX_IE_TYPE_ARP_FILTER:
1339 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1340 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1341 adapter->arp_filter_size = 0;
1342 dev_err(adapter->dev, "invalid ARP filter size\n");
1345 memcpy(adapter->arp_filter, gen_ie->ie_data,
1347 adapter->arp_filter_size = gen_ie->len;
1351 dev_err(adapter->dev, "invalid IE type\n");
1358 * Sends IOCTL request to set a generic IE.
1360 * This function allocates the IOCTL request buffer, fills it
1361 * with requisite parameters and calls the IOCTL handler.
1364 mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1366 struct mwifiex_ds_misc_gen_ie gen_ie;
1368 if (ie_len > IEEE_MAX_IE_SIZE)
1371 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1372 gen_ie.len = ie_len;
1373 memcpy(gen_ie.ie_data, ie, ie_len);
1374 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))