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)
60 struct cmd_ctrl_node *cmd_queued;
62 if (!adapter->cmd_queued)
65 cmd_queued = adapter->cmd_queued;
66 adapter->cmd_queued = NULL;
68 dev_dbg(adapter->dev, "cmd pending\n");
69 atomic_inc(&adapter->cmd_pending);
71 /* Wait for completion */
72 status = wait_event_interruptible(adapter->cmd_wait_q.wait,
73 *(cmd_queued->condition));
75 dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
79 status = adapter->cmd_wait_q.status;
80 adapter->cmd_wait_q.status = 0;
86 * This function prepares the correct firmware command and
87 * issues it to set the multicast list.
89 * This function can be used to enable promiscuous mode, or enable all
90 * multicast packets, or to enable selective multicast.
92 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
93 struct mwifiex_multicast_list *mcast_list)
98 old_pkt_filter = priv->curr_pkt_filter;
100 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
101 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
102 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
103 priv->curr_pkt_filter &=
104 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
107 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
108 if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
109 dev_dbg(priv->adapter->dev,
110 "info: Enabling All Multicast!\n");
111 priv->curr_pkt_filter |=
112 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
114 priv->curr_pkt_filter &=
115 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
116 if (mcast_list->num_multicast_addr) {
117 dev_dbg(priv->adapter->dev,
118 "info: Set multicast list=%d\n",
119 mcast_list->num_multicast_addr);
120 /* Set multicast addresses to firmware */
121 if (old_pkt_filter == priv->curr_pkt_filter) {
122 /* Send request to firmware */
123 ret = mwifiex_send_cmd_async(priv,
124 HostCmd_CMD_MAC_MULTICAST_ADR,
125 HostCmd_ACT_GEN_SET, 0,
128 /* Send request to firmware */
129 ret = mwifiex_send_cmd_async(priv,
130 HostCmd_CMD_MAC_MULTICAST_ADR,
131 HostCmd_ACT_GEN_SET, 0,
137 dev_dbg(priv->adapter->dev,
138 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
139 old_pkt_filter, priv->curr_pkt_filter);
140 if (old_pkt_filter != priv->curr_pkt_filter) {
141 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
143 0, &priv->curr_pkt_filter);
150 * This function fills bss descriptor structure using provided
153 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
154 struct cfg80211_bss *bss,
155 struct mwifiex_bssdescriptor *bss_desc)
159 size_t beacon_ie_len;
160 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
161 const struct cfg80211_bss_ies *ies;
164 ies = rcu_dereference(bss->ies);
166 /* should never happen */
170 beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
171 beacon_ie_len = ies->len;
175 dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
179 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
180 bss_desc->rssi = bss->signal;
181 bss_desc->beacon_buf = beacon_ie;
182 bss_desc->beacon_buf_size = beacon_ie_len;
183 bss_desc->beacon_period = bss->beacon_interval;
184 bss_desc->cap_info_bitmap = bss->capability;
185 bss_desc->bss_band = bss_priv->band;
186 bss_desc->fw_tsf = bss_priv->fw_tsf;
187 bss_desc->timestamp = bss->tsf;
188 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
189 dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
190 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
192 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
194 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
195 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
197 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
199 ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
205 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
206 struct cfg80211_bss *bss)
208 const u8 *country_ie;
210 struct mwifiex_802_11d_domain_reg *domain_info =
211 &priv->adapter->domain_reg;
214 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
220 country_ie_len = country_ie[1];
221 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
226 domain_info->country_code[0] = country_ie[2];
227 domain_info->country_code[1] = country_ie[3];
228 domain_info->country_code[2] = ' ';
230 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
232 domain_info->no_of_triplet =
233 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
235 memcpy((u8 *)domain_info->triplet,
236 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
240 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
241 HostCmd_ACT_GEN_SET, 0, NULL)) {
242 wiphy_err(priv->adapter->wiphy,
243 "11D: setting domain info in FW\n");
251 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
252 * In both Ad-Hoc and infra mode, an deauthentication is performed
255 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
256 struct cfg80211_ssid *req_ssid)
259 struct mwifiex_adapter *adapter = priv->adapter;
260 struct mwifiex_bssdescriptor *bss_desc = NULL;
262 priv->scan_block = false;
265 mwifiex_process_country_ie(priv, bss);
267 /* Allocate and fill new bss descriptor */
268 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
271 dev_err(priv->adapter->dev, " failed to alloc bss_desc\n");
275 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
280 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
282 ret = mwifiex_deauthenticate(priv, NULL);
286 ret = mwifiex_check_network_compatibility(priv, bss_desc);
290 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
293 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
294 if (netif_carrier_ok(priv->netdev))
295 netif_carrier_off(priv->netdev);
297 /* Clear any past association response stored for
298 * application retrieval */
299 priv->assoc_rsp_size = 0;
300 ret = mwifiex_associate(priv, bss_desc);
302 /* If auth type is auto and association fails using open mode,
303 * try to connect using shared mode */
304 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
305 priv->sec_info.is_authtype_auto &&
306 priv->sec_info.wep_enabled) {
307 priv->sec_info.authentication_mode =
308 NL80211_AUTHTYPE_SHARED_KEY;
309 ret = mwifiex_associate(priv, bss_desc);
313 cfg80211_put_bss(bss);
316 /* If the requested SSID matches current SSID, return */
317 if (bss_desc && bss_desc->ssid.ssid_len &&
318 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
319 ssid, &bss_desc->ssid))) {
324 /* Exit Adhoc mode first */
325 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
326 ret = mwifiex_deauthenticate(priv, NULL);
330 priv->adhoc_is_link_sensed = false;
332 ret = mwifiex_check_network_compatibility(priv, bss_desc);
334 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
335 if (netif_carrier_ok(priv->netdev))
336 netif_carrier_off(priv->netdev);
339 dev_dbg(adapter->dev, "info: network found in scan"
340 " list. Joining...\n");
341 ret = mwifiex_adhoc_join(priv, bss_desc);
343 cfg80211_put_bss(bss);
345 dev_dbg(adapter->dev, "info: Network not found in "
346 "the list, creating adhoc with ssid = %s\n",
348 ret = mwifiex_adhoc_start(priv, req_ssid);
358 * IOCTL request handler to set host sleep configuration.
360 * This function prepares the correct firmware command and
363 static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
364 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
367 struct mwifiex_adapter *adapter = priv->adapter;
375 case HostCmd_ACT_GEN_SET:
376 if (adapter->pps_uapsd_mode) {
377 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
378 " is blocked in UAPSD/PPS mode\n");
382 if (hs_cfg->is_invoke_hostcmd) {
383 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) {
384 if (!adapter->is_hs_configured)
385 /* Already cancelled */
387 /* Save previous condition */
388 prev_cond = le32_to_cpu(adapter->hs_cfg
390 adapter->hs_cfg.conditions =
391 cpu_to_le32(hs_cfg->conditions);
392 } else if (hs_cfg->conditions) {
393 adapter->hs_cfg.conditions =
394 cpu_to_le32(hs_cfg->conditions);
395 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
397 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
398 } else if (adapter->hs_cfg.conditions
399 == cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) {
400 /* Return failure if no parameters for HS
405 if (cmd_type == MWIFIEX_SYNC_CMD)
406 status = mwifiex_send_cmd_sync(priv,
407 HostCmd_CMD_802_11_HS_CFG_ENH,
408 HostCmd_ACT_GEN_SET, 0,
411 status = mwifiex_send_cmd_async(priv,
412 HostCmd_CMD_802_11_HS_CFG_ENH,
413 HostCmd_ACT_GEN_SET, 0,
415 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL)
416 /* Restore previous condition */
417 adapter->hs_cfg.conditions =
418 cpu_to_le32(prev_cond);
420 adapter->hs_cfg.conditions =
421 cpu_to_le32(hs_cfg->conditions);
422 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
423 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
426 case HostCmd_ACT_GEN_GET:
427 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
428 hs_cfg->gpio = adapter->hs_cfg.gpio;
429 hs_cfg->gap = adapter->hs_cfg.gap;
440 * Sends IOCTL request to cancel the existing Host Sleep configuration.
442 * This function allocates the IOCTL request buffer, fills it
443 * with requisite parameters and calls the IOCTL handler.
445 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
447 struct mwifiex_ds_hs_cfg hscfg;
449 hscfg.conditions = HOST_SLEEP_CFG_CANCEL;
450 hscfg.is_invoke_hostcmd = true;
452 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
455 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
458 * Sends IOCTL request to cancel the existing Host Sleep configuration.
460 * This function allocates the IOCTL request buffer, fills it
461 * with requisite parameters and calls the IOCTL handler.
463 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
465 struct mwifiex_ds_hs_cfg hscfg;
466 struct mwifiex_private *priv;
469 if (disconnect_on_suspend) {
470 for (i = 0; i < adapter->priv_num; i++) {
471 priv = adapter->priv[i];
473 mwifiex_deauthenticate(priv, NULL);
477 if (adapter->hs_activated) {
478 dev_dbg(adapter->dev, "cmd: HS Already activated\n");
482 adapter->hs_activate_wait_q_woken = false;
484 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
485 hscfg.is_invoke_hostcmd = true;
487 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
488 MWIFIEX_BSS_ROLE_STA),
489 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
491 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
495 if (wait_event_interruptible(adapter->hs_activate_wait_q,
496 adapter->hs_activate_wait_q_woken)) {
497 dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
503 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
506 * IOCTL request handler to get BSS information.
508 * This function collates the information from different driver structures
509 * to send to the user.
511 int mwifiex_get_bss_info(struct mwifiex_private *priv,
512 struct mwifiex_bss_info *info)
514 struct mwifiex_adapter *adapter = priv->adapter;
515 struct mwifiex_bssdescriptor *bss_desc;
520 bss_desc = &priv->curr_bss_params.bss_descriptor;
522 info->bss_mode = priv->bss_mode;
524 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
526 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
528 info->bss_chan = bss_desc->channel;
530 memcpy(info->country_code, adapter->country_code,
531 IEEE80211_COUNTRY_STRING_LEN);
533 info->media_connected = priv->media_connected;
535 info->max_power_level = priv->max_tx_power_level;
536 info->min_power_level = priv->min_tx_power_level;
538 info->adhoc_state = priv->adhoc_state;
540 info->bcn_nf_last = priv->bcn_nf_last;
542 if (priv->sec_info.wep_enabled)
543 info->wep_status = true;
545 info->wep_status = false;
547 info->is_hs_configured = adapter->is_hs_configured;
548 info->is_deep_sleep = adapter->is_deep_sleep;
554 * The function disables auto deep sleep mode.
556 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
558 struct mwifiex_ds_auto_ds auto_ds;
560 auto_ds.auto_ds = DEEP_SLEEP_OFF;
562 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
563 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
565 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
568 * Sends IOCTL request to get the data rate.
570 * This function allocates the IOCTL request buffer, fills it
571 * with requisite parameters and calls the IOCTL handler.
573 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
577 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
578 HostCmd_ACT_GEN_GET, 0, NULL);
581 if (priv->is_data_rate_auto)
582 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
585 *rate = priv->data_rate;
592 * IOCTL request handler to set tx power configuration.
594 * This function prepares the correct firmware command and
597 * For non-auto power mode, all the following power groups are set -
598 * - Modulation class HR/DSSS
599 * - Modulation class OFDM
600 * - Modulation class HTBW20
601 * - Modulation class HTBW40
603 int mwifiex_set_tx_power(struct mwifiex_private *priv,
604 struct mwifiex_power_cfg *power_cfg)
607 struct host_cmd_ds_txpwr_cfg *txp_cfg;
608 struct mwifiex_types_power_group *pg_tlv;
609 struct mwifiex_power_group *pg;
613 if (!power_cfg->is_power_auto) {
614 dbm = (u16) power_cfg->power_level;
615 if ((dbm < priv->min_tx_power_level) ||
616 (dbm > priv->max_tx_power_level)) {
617 dev_err(priv->adapter->dev, "txpower value %d dBm"
618 " is out of range (%d dBm-%d dBm)\n",
619 dbm, priv->min_tx_power_level,
620 priv->max_tx_power_level);
624 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
626 dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n",
631 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
632 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
633 if (!power_cfg->is_power_auto) {
634 txp_cfg->mode = cpu_to_le32(1);
635 pg_tlv = (struct mwifiex_types_power_group *)
636 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
637 pg_tlv->type = TLV_TYPE_POWER_GROUP;
638 pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
639 pg = (struct mwifiex_power_group *)
640 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
641 + sizeof(struct mwifiex_types_power_group));
642 /* Power group for modulation class HR/DSSS */
643 pg->first_rate_code = 0x00;
644 pg->last_rate_code = 0x03;
645 pg->modulation_class = MOD_CLASS_HR_DSSS;
647 pg->power_min = (s8) dbm;
648 pg->power_max = (s8) dbm;
650 /* Power group for modulation class OFDM */
651 pg->first_rate_code = 0x00;
652 pg->last_rate_code = 0x07;
653 pg->modulation_class = MOD_CLASS_OFDM;
655 pg->power_min = (s8) dbm;
656 pg->power_max = (s8) dbm;
658 /* Power group for modulation class HTBW20 */
659 pg->first_rate_code = 0x00;
660 pg->last_rate_code = 0x20;
661 pg->modulation_class = MOD_CLASS_HT;
663 pg->power_min = (s8) dbm;
664 pg->power_max = (s8) dbm;
665 pg->ht_bandwidth = HT_BW_20;
667 /* Power group for modulation class HTBW40 */
668 pg->first_rate_code = 0x00;
669 pg->last_rate_code = 0x20;
670 pg->modulation_class = MOD_CLASS_HT;
672 pg->power_min = (s8) dbm;
673 pg->power_max = (s8) dbm;
674 pg->ht_bandwidth = HT_BW_40;
676 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
677 HostCmd_ACT_GEN_SET, 0, buf);
684 * IOCTL request handler to get power save mode.
686 * This function prepares the correct firmware command and
689 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
692 struct mwifiex_adapter *adapter = priv->adapter;
696 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
698 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
699 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
700 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
701 sub_cmd, BITMAP_STA_PS, NULL);
702 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
703 ret = mwifiex_send_cmd_async(priv,
704 HostCmd_CMD_802_11_PS_MODE_ENH,
711 * IOCTL request handler to set/reset WPA IE.
713 * The supplied WPA IE is treated as a opaque buffer. Only the first field
714 * is checked to determine WPA version. If buffer length is zero, the existing
717 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
718 u8 *ie_data_ptr, u16 ie_len)
721 if (ie_len > sizeof(priv->wpa_ie)) {
722 dev_err(priv->adapter->dev,
723 "failed to copy WPA IE, too big\n");
726 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
727 priv->wpa_ie_len = (u8) ie_len;
728 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
729 priv->wpa_ie_len, priv->wpa_ie[0]);
731 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
732 priv->sec_info.wpa_enabled = true;
733 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
734 priv->sec_info.wpa2_enabled = true;
736 priv->sec_info.wpa_enabled = false;
737 priv->sec_info.wpa2_enabled = false;
740 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
741 priv->wpa_ie_len = 0;
742 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
743 priv->wpa_ie_len, priv->wpa_ie[0]);
744 priv->sec_info.wpa_enabled = false;
745 priv->sec_info.wpa2_enabled = false;
752 * IOCTL request handler to set/reset WAPI IE.
754 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
755 * is checked to internally enable WAPI. If buffer length is zero, the existing
758 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
759 u8 *ie_data_ptr, u16 ie_len)
762 if (ie_len > sizeof(priv->wapi_ie)) {
763 dev_dbg(priv->adapter->dev,
764 "info: failed to copy WAPI IE, too big\n");
767 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
768 priv->wapi_ie_len = ie_len;
769 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
770 priv->wapi_ie_len, priv->wapi_ie[0]);
772 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
773 priv->sec_info.wapi_enabled = true;
775 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
776 priv->wapi_ie_len = ie_len;
777 dev_dbg(priv->adapter->dev,
778 "info: Reset wapi_ie_len=%d IE=%#x\n",
779 priv->wapi_ie_len, priv->wapi_ie[0]);
780 priv->sec_info.wapi_enabled = false;
786 * IOCTL request handler to set/reset WPS IE.
788 * The supplied WPS IE is treated as a opaque buffer. Only the first field
789 * is checked to internally enable WPS. If buffer length is zero, the existing
792 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
793 u8 *ie_data_ptr, u16 ie_len)
796 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
799 if (ie_len > sizeof(priv->wps_ie)) {
800 dev_dbg(priv->adapter->dev,
801 "info: failed to copy WPS IE, too big\n");
805 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
806 priv->wps_ie_len = ie_len;
807 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
808 priv->wps_ie_len, priv->wps_ie[0]);
811 priv->wps_ie_len = ie_len;
812 dev_dbg(priv->adapter->dev,
813 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
819 * IOCTL request handler to set WAPI key.
821 * This function prepares the correct firmware command and
824 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
825 struct mwifiex_ds_encrypt_key *encrypt_key)
828 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
829 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
834 * IOCTL request handler to set WEP network key.
836 * This function prepares the correct firmware command and
837 * issues it, after validation checks.
839 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
840 struct mwifiex_ds_encrypt_key *encrypt_key)
843 struct mwifiex_wep_key *wep_key;
846 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
847 priv->wep_key_curr_index = 0;
848 wep_key = &priv->wep_key[priv->wep_key_curr_index];
849 index = encrypt_key->key_index;
850 if (encrypt_key->key_disable) {
851 priv->sec_info.wep_enabled = 0;
852 } else if (!encrypt_key->key_len) {
853 /* Copy the required key as the current key */
854 wep_key = &priv->wep_key[index];
855 if (!wep_key->key_length) {
856 dev_err(priv->adapter->dev,
857 "key not set, so cannot enable it\n");
860 priv->wep_key_curr_index = (u16) index;
861 priv->sec_info.wep_enabled = 1;
863 wep_key = &priv->wep_key[index];
864 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
865 /* Copy the key in the driver */
866 memcpy(wep_key->key_material,
867 encrypt_key->key_material,
868 encrypt_key->key_len);
869 wep_key->key_index = index;
870 wep_key->key_length = encrypt_key->key_len;
871 priv->sec_info.wep_enabled = 1;
873 if (wep_key->key_length) {
874 /* Send request to firmware */
875 ret = mwifiex_send_cmd_async(priv,
876 HostCmd_CMD_802_11_KEY_MATERIAL,
877 HostCmd_ACT_GEN_SET, 0, NULL);
881 if (priv->sec_info.wep_enabled)
882 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
884 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
886 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
887 HostCmd_ACT_GEN_SET, 0,
888 &priv->curr_pkt_filter);
894 * IOCTL request handler to set WPA key.
896 * This function prepares the correct firmware command and
897 * issues it, after validation checks.
899 * Current driver only supports key length of up to 32 bytes.
901 * This function can also be used to disable a currently set key.
903 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
904 struct mwifiex_ds_encrypt_key *encrypt_key)
907 u8 remove_key = false;
908 struct host_cmd_ds_802_11_key_material *ibss_key;
910 /* Current driver only supports key length of up to 32 bytes */
911 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
912 dev_err(priv->adapter->dev, "key length too long\n");
916 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
918 * IBSS/WPA-None uses only one key (Group) for both receiving
919 * and sending unicast and multicast packets.
921 /* Send the key as PTK to firmware */
922 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
923 ret = mwifiex_send_cmd_async(priv,
924 HostCmd_CMD_802_11_KEY_MATERIAL,
926 KEY_INFO_ENABLED, encrypt_key);
930 ibss_key = &priv->aes_key;
932 sizeof(struct host_cmd_ds_802_11_key_material));
933 /* Copy the key in the driver */
934 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
935 encrypt_key->key_len);
936 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
937 sizeof(ibss_key->key_param_set.key_len));
938 ibss_key->key_param_set.key_type_id
939 = cpu_to_le16(KEY_TYPE_ID_TKIP);
940 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
942 /* Send the key as GTK to firmware */
943 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
946 if (!encrypt_key->key_index)
947 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
950 ret = mwifiex_send_cmd_sync(priv,
951 HostCmd_CMD_802_11_KEY_MATERIAL,
953 !KEY_INFO_ENABLED, encrypt_key);
955 ret = mwifiex_send_cmd_sync(priv,
956 HostCmd_CMD_802_11_KEY_MATERIAL,
958 KEY_INFO_ENABLED, encrypt_key);
964 * IOCTL request handler to set/get network keys.
966 * This is a generic key handling function which supports WEP, WPA
970 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
971 struct mwifiex_ds_encrypt_key *encrypt_key)
975 if (encrypt_key->is_wapi_key)
976 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
977 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
978 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
980 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
985 * This function returns the driver version.
988 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
997 ver.l = adapter->fw_release_number;
998 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1000 snprintf(version, max_len, driver_version, fw_ver);
1002 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1008 * Sends IOCTL request to set encoding parameters.
1010 * This function allocates the IOCTL request buffer, fills it
1011 * with requisite parameters and calls the IOCTL handler.
1013 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1014 const u8 *key, int key_len, u8 key_index,
1015 const u8 *mac_addr, int disable)
1017 struct mwifiex_ds_encrypt_key encrypt_key;
1019 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1020 encrypt_key.key_len = key_len;
1022 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1023 encrypt_key.is_igtk_key = true;
1026 encrypt_key.key_index = key_index;
1028 memcpy(encrypt_key.key_material, key, key_len);
1030 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1031 if (kp && kp->seq && kp->seq_len)
1032 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1034 encrypt_key.key_disable = true;
1036 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1039 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1043 * Sends IOCTL request to get extended version.
1045 * This function allocates the IOCTL request buffer, fills it
1046 * with requisite parameters and calls the IOCTL handler.
1049 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1051 struct mwifiex_ver_ext ver_ext;
1053 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1054 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1055 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1062 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1063 struct ieee80211_channel *chan,
1064 unsigned int duration)
1066 struct host_cmd_ds_remain_on_chan roc_cfg;
1069 memset(&roc_cfg, 0, sizeof(roc_cfg));
1070 roc_cfg.action = cpu_to_le16(action);
1071 if (action == HostCmd_ACT_GEN_SET) {
1072 roc_cfg.band_cfg = chan->band;
1073 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1074 roc_cfg.band_cfg |= (sc << 2);
1077 ieee80211_frequency_to_channel(chan->center_freq);
1078 roc_cfg.duration = cpu_to_le32(duration);
1080 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1081 action, 0, &roc_cfg)) {
1082 dev_err(priv->adapter->dev, "failed to remain on channel\n");
1086 return roc_cfg.status;
1090 mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
1092 if (GET_BSS_ROLE(priv) == bss_role) {
1093 dev_dbg(priv->adapter->dev,
1094 "info: already in the desired role.\n");
1098 mwifiex_free_priv(priv);
1099 mwifiex_init_priv(priv);
1101 priv->bss_role = bss_role;
1103 case MWIFIEX_BSS_ROLE_UAP:
1104 priv->bss_mode = NL80211_IFTYPE_AP;
1106 case MWIFIEX_BSS_ROLE_STA:
1107 case MWIFIEX_BSS_ROLE_ANY:
1109 priv->bss_mode = NL80211_IFTYPE_STATION;
1113 mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
1114 HostCmd_ACT_GEN_SET, 0, NULL);
1116 return mwifiex_sta_init_cmd(priv, false);
1120 * Sends IOCTL request to get statistics information.
1122 * This function allocates the IOCTL request buffer, fills it
1123 * with requisite parameters and calls the IOCTL handler.
1126 mwifiex_get_stats_info(struct mwifiex_private *priv,
1127 struct mwifiex_ds_get_stats *log)
1129 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1130 HostCmd_ACT_GEN_GET, 0, log);
1134 * IOCTL request handler to read/write register.
1136 * This function prepares the correct firmware command and
1139 * Access to the following registers are supported -
1146 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1147 struct mwifiex_ds_reg_rw *reg_rw,
1152 switch (le32_to_cpu(reg_rw->type)) {
1153 case MWIFIEX_REG_MAC:
1154 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1156 case MWIFIEX_REG_BBP:
1157 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1159 case MWIFIEX_REG_RF:
1160 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1162 case MWIFIEX_REG_PMIC:
1163 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1165 case MWIFIEX_REG_CAU:
1166 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1172 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1177 * Sends IOCTL request to write to a register.
1179 * This function allocates the IOCTL request buffer, fills it
1180 * with requisite parameters and calls the IOCTL handler.
1183 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1184 u32 reg_offset, u32 reg_value)
1186 struct mwifiex_ds_reg_rw reg_rw;
1188 reg_rw.type = cpu_to_le32(reg_type);
1189 reg_rw.offset = cpu_to_le32(reg_offset);
1190 reg_rw.value = cpu_to_le32(reg_value);
1192 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1196 * Sends IOCTL request to read from a register.
1198 * This function allocates the IOCTL request buffer, fills it
1199 * with requisite parameters and calls the IOCTL handler.
1202 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1203 u32 reg_offset, u32 *value)
1206 struct mwifiex_ds_reg_rw reg_rw;
1208 reg_rw.type = cpu_to_le32(reg_type);
1209 reg_rw.offset = cpu_to_le32(reg_offset);
1210 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1215 *value = le32_to_cpu(reg_rw.value);
1222 * Sends IOCTL request to read from EEPROM.
1224 * This function allocates the IOCTL request buffer, fills it
1225 * with requisite parameters and calls the IOCTL handler.
1228 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1232 struct mwifiex_ds_read_eeprom rd_eeprom;
1234 rd_eeprom.offset = cpu_to_le16((u16) offset);
1235 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1237 /* Send request to firmware */
1238 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1239 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1242 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1247 * This function sets a generic IE. In addition to generic IE, it can
1248 * also handle WPA, WPA2 and WAPI IEs.
1251 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1255 struct ieee_types_vendor_header *pvendor_ie;
1256 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1257 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1259 /* If the passed length is zero, reset the buffer */
1261 priv->gen_ie_buf_len = 0;
1262 priv->wps.session_enable = false;
1265 } else if (!ie_data_ptr) {
1268 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1269 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1270 if (((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1271 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1272 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1274 /* IE is a WPA/WPA2 IE so call set_wpa function */
1275 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1276 priv->wps.session_enable = false;
1279 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1280 /* IE is a WAPI IE so call set_wapi function */
1281 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1286 * Verify that the passed length is not larger than the
1287 * available space remaining in the buffer
1289 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1291 /* Test to see if it is a WPS IE, if so, enable
1294 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1295 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1296 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1297 priv->wps.session_enable = true;
1298 dev_dbg(priv->adapter->dev,
1299 "info: WPS Session Enabled.\n");
1300 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1303 /* Append the passed data to the end of the
1305 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1307 /* Increment the stored buffer length by the
1309 priv->gen_ie_buf_len += ie_len;
1311 /* Passed data does not fit in the remaining
1316 /* Return 0, or -1 for error case */
1321 * IOCTL request handler to set/get generic IE.
1323 * In addition to various generic IEs, this function can also be
1324 * used to set the ARP filter.
1326 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1327 struct mwifiex_ds_misc_gen_ie *gen_ie,
1330 struct mwifiex_adapter *adapter = priv->adapter;
1332 switch (gen_ie->type) {
1333 case MWIFIEX_IE_TYPE_GEN_IE:
1334 if (action == HostCmd_ACT_GEN_GET) {
1335 gen_ie->len = priv->wpa_ie_len;
1336 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1338 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1342 case MWIFIEX_IE_TYPE_ARP_FILTER:
1343 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1344 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1345 adapter->arp_filter_size = 0;
1346 dev_err(adapter->dev, "invalid ARP filter size\n");
1349 memcpy(adapter->arp_filter, gen_ie->ie_data,
1351 adapter->arp_filter_size = gen_ie->len;
1355 dev_err(adapter->dev, "invalid IE type\n");
1362 * Sends IOCTL request to set a generic IE.
1364 * This function allocates the IOCTL request buffer, fills it
1365 * with requisite parameters and calls the IOCTL handler.
1368 mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1370 struct mwifiex_ds_misc_gen_ie gen_ie;
1372 if (ie_len > IEEE_MAX_IE_SIZE)
1375 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1376 gen_ie.len = ie_len;
1377 memcpy(gen_ie.ie_data, ie, ie_len);
1378 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))