2 * Marvell Wireless LAN device driver: functions for station ioctl
4 * Copyright (C) 2011-2014, 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;
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_timeout(adapter->cmd_wait_q.wait,
64 *(cmd_queued->condition),
67 dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
68 mwifiex_cancel_all_pending_cmd(adapter);
72 status = adapter->cmd_wait_q.status;
73 adapter->cmd_wait_q.status = 0;
79 * This function prepares the correct firmware command and
80 * issues it to set the multicast list.
82 * This function can be used to enable promiscuous mode, or enable all
83 * multicast packets, or to enable selective multicast.
85 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
86 struct mwifiex_multicast_list *mcast_list)
91 old_pkt_filter = priv->curr_pkt_filter;
93 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
94 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
95 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
96 priv->curr_pkt_filter &=
97 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
100 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
101 if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
102 dev_dbg(priv->adapter->dev,
103 "info: Enabling All Multicast!\n");
104 priv->curr_pkt_filter |=
105 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
107 priv->curr_pkt_filter &=
108 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
109 dev_dbg(priv->adapter->dev,
110 "info: Set multicast list=%d\n",
111 mcast_list->num_multicast_addr);
112 /* Send multicast addresses to firmware */
113 ret = mwifiex_send_cmd(priv,
114 HostCmd_CMD_MAC_MULTICAST_ADR,
115 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(priv, HostCmd_CMD_MAC_CONTROL,
125 0, &priv->curr_pkt_filter, false);
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 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
184 bss_desc->sensed_11h = true;
186 return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
189 void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv)
191 if (priv->adapter->dt_node) {
192 char txpwr[] = {"marvell,00_txpwrlimit"};
194 memcpy(&txpwr[8], priv->adapter->country_code, 2);
195 mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
199 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
200 struct cfg80211_bss *bss)
202 const u8 *country_ie;
204 struct mwifiex_802_11d_domain_reg *domain_info =
205 &priv->adapter->domain_reg;
208 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
214 country_ie_len = country_ie[1];
215 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
220 if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) {
222 wiphy_dbg(priv->wdev->wiphy,
223 "11D: skip setting domain info in FW\n");
226 memcpy(priv->adapter->country_code, &country_ie[2], 2);
228 domain_info->country_code[0] = country_ie[2];
229 domain_info->country_code[1] = country_ie[3];
230 domain_info->country_code[2] = ' ';
232 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
234 domain_info->no_of_triplet =
235 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
237 memcpy((u8 *)domain_info->triplet,
238 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
242 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
243 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
244 wiphy_err(priv->adapter->wiphy,
245 "11D: setting domain info in FW\n");
249 mwifiex_dnld_txpwr_table(priv);
255 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
256 * In both Ad-Hoc and infra mode, an deauthentication is performed
259 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
260 struct cfg80211_ssid *req_ssid)
263 struct mwifiex_adapter *adapter = priv->adapter;
264 struct mwifiex_bssdescriptor *bss_desc = NULL;
266 priv->scan_block = false;
269 mwifiex_process_country_ie(priv, bss);
271 /* Allocate and fill new bss descriptor */
272 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
277 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
282 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
283 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
289 if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
290 HostCmd_SCAN_RADIO_TYPE_BG) {
291 config_bands = BAND_B | BAND_G | BAND_GN;
293 config_bands = BAND_A | BAND_AN;
294 if (adapter->fw_bands & BAND_AAC)
295 config_bands |= BAND_AAC;
298 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
299 adapter->config_bands = config_bands;
301 ret = mwifiex_check_network_compatibility(priv, bss_desc);
305 if (mwifiex_11h_get_csa_closed_channel(priv) ==
306 (u8)bss_desc->channel) {
307 dev_err(adapter->dev,
308 "Attempt to reconnect on csa closed chan(%d)\n",
313 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
316 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
317 if (netif_carrier_ok(priv->netdev))
318 netif_carrier_off(priv->netdev);
320 /* Clear any past association response stored for
321 * application retrieval */
322 priv->assoc_rsp_size = 0;
323 ret = mwifiex_associate(priv, bss_desc);
325 /* If auth type is auto and association fails using open mode,
326 * try to connect using shared mode */
327 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
328 priv->sec_info.is_authtype_auto &&
329 priv->sec_info.wep_enabled) {
330 priv->sec_info.authentication_mode =
331 NL80211_AUTHTYPE_SHARED_KEY;
332 ret = mwifiex_associate(priv, bss_desc);
336 cfg80211_put_bss(priv->adapter->wiphy, bss);
339 /* If the requested SSID matches current SSID, return */
340 if (bss_desc && bss_desc->ssid.ssid_len &&
341 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
342 ssid, &bss_desc->ssid))) {
347 priv->adhoc_is_link_sensed = false;
349 ret = mwifiex_check_network_compatibility(priv, bss_desc);
351 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
352 if (netif_carrier_ok(priv->netdev))
353 netif_carrier_off(priv->netdev);
356 dev_dbg(adapter->dev, "info: network found in scan"
357 " list. Joining...\n");
358 ret = mwifiex_adhoc_join(priv, bss_desc);
360 cfg80211_put_bss(priv->adapter->wiphy, bss);
362 dev_dbg(adapter->dev, "info: Network not found in "
363 "the list, creating adhoc with ssid = %s\n",
365 ret = mwifiex_adhoc_start(priv, req_ssid);
370 /* beacon_ie buffer was allocated in function
371 * mwifiex_fill_new_bss_desc(). Free it now.
374 kfree(bss_desc->beacon_buf);
380 * IOCTL request handler to set host sleep configuration.
382 * This function prepares the correct firmware command and
385 int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
386 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
389 struct mwifiex_adapter *adapter = priv->adapter;
397 case HostCmd_ACT_GEN_SET:
398 if (adapter->pps_uapsd_mode) {
399 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
400 " is blocked in UAPSD/PPS mode\n");
404 if (hs_cfg->is_invoke_hostcmd) {
405 if (hs_cfg->conditions == HS_CFG_CANCEL) {
406 if (!adapter->is_hs_configured)
407 /* Already cancelled */
409 /* Save previous condition */
410 prev_cond = le32_to_cpu(adapter->hs_cfg
412 adapter->hs_cfg.conditions =
413 cpu_to_le32(hs_cfg->conditions);
414 } else if (hs_cfg->conditions) {
415 adapter->hs_cfg.conditions =
416 cpu_to_le32(hs_cfg->conditions);
417 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
419 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
420 } else if (adapter->hs_cfg.conditions ==
421 cpu_to_le32(HS_CFG_CANCEL)) {
422 /* Return failure if no parameters for HS
428 status = mwifiex_send_cmd(priv,
429 HostCmd_CMD_802_11_HS_CFG_ENH,
430 HostCmd_ACT_GEN_SET, 0,
432 cmd_type == MWIFIEX_SYNC_CMD);
434 if (hs_cfg->conditions == HS_CFG_CANCEL)
435 /* Restore previous condition */
436 adapter->hs_cfg.conditions =
437 cpu_to_le32(prev_cond);
439 adapter->hs_cfg.conditions =
440 cpu_to_le32(hs_cfg->conditions);
441 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
442 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
445 case HostCmd_ACT_GEN_GET:
446 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
447 hs_cfg->gpio = adapter->hs_cfg.gpio;
448 hs_cfg->gap = adapter->hs_cfg.gap;
459 * Sends IOCTL request to cancel the existing Host Sleep configuration.
461 * This function allocates the IOCTL request buffer, fills it
462 * with requisite parameters and calls the IOCTL handler.
464 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
466 struct mwifiex_ds_hs_cfg hscfg;
468 hscfg.conditions = HS_CFG_CANCEL;
469 hscfg.is_invoke_hostcmd = true;
471 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
474 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
477 * Sends IOCTL request to cancel the existing Host Sleep configuration.
479 * This function allocates the IOCTL request buffer, fills it
480 * with requisite parameters and calls the IOCTL handler.
482 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
484 struct mwifiex_ds_hs_cfg hscfg;
485 struct mwifiex_private *priv;
488 if (disconnect_on_suspend) {
489 for (i = 0; i < adapter->priv_num; i++) {
490 priv = adapter->priv[i];
492 mwifiex_deauthenticate(priv, NULL);
496 if (adapter->hs_activated) {
497 dev_dbg(adapter->dev, "cmd: HS Already activated\n");
501 adapter->hs_activate_wait_q_woken = false;
503 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
504 hscfg.is_invoke_hostcmd = true;
506 adapter->hs_enabling = true;
507 mwifiex_cancel_all_pending_cmd(adapter);
509 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
510 MWIFIEX_BSS_ROLE_STA),
511 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
513 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
517 if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
518 adapter->hs_activate_wait_q_woken,
520 dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
526 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
529 * IOCTL request handler to get BSS information.
531 * This function collates the information from different driver structures
532 * to send to the user.
534 int mwifiex_get_bss_info(struct mwifiex_private *priv,
535 struct mwifiex_bss_info *info)
537 struct mwifiex_adapter *adapter = priv->adapter;
538 struct mwifiex_bssdescriptor *bss_desc;
543 bss_desc = &priv->curr_bss_params.bss_descriptor;
545 info->bss_mode = priv->bss_mode;
547 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
549 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
551 info->bss_chan = bss_desc->channel;
553 memcpy(info->country_code, adapter->country_code,
554 IEEE80211_COUNTRY_STRING_LEN);
556 info->media_connected = priv->media_connected;
558 info->max_power_level = priv->max_tx_power_level;
559 info->min_power_level = priv->min_tx_power_level;
561 info->adhoc_state = priv->adhoc_state;
563 info->bcn_nf_last = priv->bcn_nf_last;
565 if (priv->sec_info.wep_enabled)
566 info->wep_status = true;
568 info->wep_status = false;
570 info->is_hs_configured = adapter->is_hs_configured;
571 info->is_deep_sleep = adapter->is_deep_sleep;
577 * The function disables auto deep sleep mode.
579 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
581 struct mwifiex_ds_auto_ds auto_ds;
583 auto_ds.auto_ds = DEEP_SLEEP_OFF;
585 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
586 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
588 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
591 * Sends IOCTL request to get the data rate.
593 * This function allocates the IOCTL request buffer, fills it
594 * with requisite parameters and calls the IOCTL handler.
596 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
600 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
601 HostCmd_ACT_GEN_GET, 0, NULL, true);
604 if (priv->is_data_rate_auto)
605 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
608 *rate = priv->data_rate;
615 * IOCTL request handler to set tx power configuration.
617 * This function prepares the correct firmware command and
620 * For non-auto power mode, all the following power groups are set -
621 * - Modulation class HR/DSSS
622 * - Modulation class OFDM
623 * - Modulation class HTBW20
624 * - Modulation class HTBW40
626 int mwifiex_set_tx_power(struct mwifiex_private *priv,
627 struct mwifiex_power_cfg *power_cfg)
630 struct host_cmd_ds_txpwr_cfg *txp_cfg;
631 struct mwifiex_types_power_group *pg_tlv;
632 struct mwifiex_power_group *pg;
636 if (!power_cfg->is_power_auto) {
637 dbm = (u16) power_cfg->power_level;
638 if ((dbm < priv->min_tx_power_level) ||
639 (dbm > priv->max_tx_power_level)) {
640 dev_err(priv->adapter->dev, "txpower value %d dBm"
641 " is out of range (%d dBm-%d dBm)\n",
642 dbm, priv->min_tx_power_level,
643 priv->max_tx_power_level);
647 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
651 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
652 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
653 if (!power_cfg->is_power_auto) {
654 txp_cfg->mode = cpu_to_le32(1);
655 pg_tlv = (struct mwifiex_types_power_group *)
656 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
657 pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
659 cpu_to_le16(4 * sizeof(struct mwifiex_power_group));
660 pg = (struct mwifiex_power_group *)
661 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
662 + sizeof(struct mwifiex_types_power_group));
663 /* Power group for modulation class HR/DSSS */
664 pg->first_rate_code = 0x00;
665 pg->last_rate_code = 0x03;
666 pg->modulation_class = MOD_CLASS_HR_DSSS;
668 pg->power_min = (s8) dbm;
669 pg->power_max = (s8) dbm;
671 /* Power group for modulation class OFDM */
672 pg->first_rate_code = 0x00;
673 pg->last_rate_code = 0x07;
674 pg->modulation_class = MOD_CLASS_OFDM;
676 pg->power_min = (s8) dbm;
677 pg->power_max = (s8) dbm;
679 /* Power group for modulation class HTBW20 */
680 pg->first_rate_code = 0x00;
681 pg->last_rate_code = 0x20;
682 pg->modulation_class = MOD_CLASS_HT;
684 pg->power_min = (s8) dbm;
685 pg->power_max = (s8) dbm;
686 pg->ht_bandwidth = HT_BW_20;
688 /* Power group for modulation class HTBW40 */
689 pg->first_rate_code = 0x00;
690 pg->last_rate_code = 0x20;
691 pg->modulation_class = MOD_CLASS_HT;
693 pg->power_min = (s8) dbm;
694 pg->power_max = (s8) dbm;
695 pg->ht_bandwidth = HT_BW_40;
697 ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG,
698 HostCmd_ACT_GEN_SET, 0, buf, true);
705 * IOCTL request handler to get power save mode.
707 * This function prepares the correct firmware command and
710 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
713 struct mwifiex_adapter *adapter = priv->adapter;
717 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
719 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
720 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
721 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
722 sub_cmd, BITMAP_STA_PS, NULL, true);
723 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
724 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
725 GET_PS, 0, NULL, false);
731 * IOCTL request handler to set/reset WPA IE.
733 * The supplied WPA IE is treated as a opaque buffer. Only the first field
734 * is checked to determine WPA version. If buffer length is zero, the existing
737 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
738 u8 *ie_data_ptr, u16 ie_len)
741 if (ie_len > sizeof(priv->wpa_ie)) {
742 dev_err(priv->adapter->dev,
743 "failed to copy WPA IE, too big\n");
746 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
747 priv->wpa_ie_len = (u8) ie_len;
748 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
749 priv->wpa_ie_len, priv->wpa_ie[0]);
751 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
752 priv->sec_info.wpa_enabled = true;
753 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
754 priv->sec_info.wpa2_enabled = true;
756 priv->sec_info.wpa_enabled = false;
757 priv->sec_info.wpa2_enabled = false;
760 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
761 priv->wpa_ie_len = 0;
762 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
763 priv->wpa_ie_len, priv->wpa_ie[0]);
764 priv->sec_info.wpa_enabled = false;
765 priv->sec_info.wpa2_enabled = false;
772 * IOCTL request handler to set/reset WAPI IE.
774 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
775 * is checked to internally enable WAPI. If buffer length is zero, the existing
778 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
779 u8 *ie_data_ptr, u16 ie_len)
782 if (ie_len > sizeof(priv->wapi_ie)) {
783 dev_dbg(priv->adapter->dev,
784 "info: failed to copy WAPI IE, too big\n");
787 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
788 priv->wapi_ie_len = ie_len;
789 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
790 priv->wapi_ie_len, priv->wapi_ie[0]);
792 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
793 priv->sec_info.wapi_enabled = true;
795 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
796 priv->wapi_ie_len = ie_len;
797 dev_dbg(priv->adapter->dev,
798 "info: Reset wapi_ie_len=%d IE=%#x\n",
799 priv->wapi_ie_len, priv->wapi_ie[0]);
800 priv->sec_info.wapi_enabled = false;
806 * IOCTL request handler to set/reset WPS IE.
808 * The supplied WPS IE is treated as a opaque buffer. Only the first field
809 * is checked to internally enable WPS. If buffer length is zero, the existing
812 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
813 u8 *ie_data_ptr, u16 ie_len)
816 if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
817 dev_dbg(priv->adapter->dev,
818 "info: failed to copy WPS IE, too big\n");
822 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
826 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
827 priv->wps_ie_len = ie_len;
828 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
829 priv->wps_ie_len, priv->wps_ie[0]);
832 priv->wps_ie_len = ie_len;
833 dev_dbg(priv->adapter->dev,
834 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
840 * IOCTL request handler to set WAPI key.
842 * This function prepares the correct firmware command and
845 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
846 struct mwifiex_ds_encrypt_key *encrypt_key)
849 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
850 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
855 * IOCTL request handler to set WEP network key.
857 * This function prepares the correct firmware command and
858 * issues it, after validation checks.
860 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
861 struct mwifiex_ds_encrypt_key *encrypt_key)
863 struct mwifiex_adapter *adapter = priv->adapter;
865 struct mwifiex_wep_key *wep_key;
868 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
869 priv->wep_key_curr_index = 0;
870 wep_key = &priv->wep_key[priv->wep_key_curr_index];
871 index = encrypt_key->key_index;
872 if (encrypt_key->key_disable) {
873 priv->sec_info.wep_enabled = 0;
874 } else if (!encrypt_key->key_len) {
875 /* Copy the required key as the current key */
876 wep_key = &priv->wep_key[index];
877 if (!wep_key->key_length) {
878 dev_err(adapter->dev,
879 "key not set, so cannot enable it\n");
883 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) {
884 memcpy(encrypt_key->key_material,
885 wep_key->key_material, wep_key->key_length);
886 encrypt_key->key_len = wep_key->key_length;
889 priv->wep_key_curr_index = (u16) index;
890 priv->sec_info.wep_enabled = 1;
892 wep_key = &priv->wep_key[index];
893 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
894 /* Copy the key in the driver */
895 memcpy(wep_key->key_material,
896 encrypt_key->key_material,
897 encrypt_key->key_len);
898 wep_key->key_index = index;
899 wep_key->key_length = encrypt_key->key_len;
900 priv->sec_info.wep_enabled = 1;
902 if (wep_key->key_length) {
905 if (encrypt_key->key_disable)
906 memset(&priv->wep_key[index], 0,
907 sizeof(struct mwifiex_wep_key));
909 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
910 enc_key = encrypt_key;
914 /* Send request to firmware */
915 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
916 HostCmd_ACT_GEN_SET, 0, enc_key, false);
921 if (priv->sec_info.wep_enabled)
922 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
924 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
926 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
927 HostCmd_ACT_GEN_SET, 0,
928 &priv->curr_pkt_filter, true);
934 * IOCTL request handler to set WPA key.
936 * This function prepares the correct firmware command and
937 * issues it, after validation checks.
939 * Current driver only supports key length of up to 32 bytes.
941 * This function can also be used to disable a currently set key.
943 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
944 struct mwifiex_ds_encrypt_key *encrypt_key)
947 u8 remove_key = false;
948 struct host_cmd_ds_802_11_key_material *ibss_key;
950 /* Current driver only supports key length of up to 32 bytes */
951 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
952 dev_err(priv->adapter->dev, "key length too long\n");
956 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
958 * IBSS/WPA-None uses only one key (Group) for both receiving
959 * and sending unicast and multicast packets.
961 /* Send the key as PTK to firmware */
962 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
963 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
965 KEY_INFO_ENABLED, encrypt_key, false);
969 ibss_key = &priv->aes_key;
971 sizeof(struct host_cmd_ds_802_11_key_material));
972 /* Copy the key in the driver */
973 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
974 encrypt_key->key_len);
975 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
976 sizeof(ibss_key->key_param_set.key_len));
977 ibss_key->key_param_set.key_type_id
978 = cpu_to_le16(KEY_TYPE_ID_TKIP);
979 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
981 /* Send the key as GTK to firmware */
982 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
985 if (!encrypt_key->key_index)
986 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
989 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
991 !KEY_INFO_ENABLED, encrypt_key, true);
993 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
995 KEY_INFO_ENABLED, encrypt_key, true);
1001 * IOCTL request handler to set/get network keys.
1003 * This is a generic key handling function which supports WEP, WPA
1007 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1008 struct mwifiex_ds_encrypt_key *encrypt_key)
1012 if (encrypt_key->is_wapi_key)
1013 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1014 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1015 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1017 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1022 * This function returns the driver version.
1025 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1034 ver.l = cpu_to_le32(adapter->fw_release_number);
1035 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1037 snprintf(version, max_len, driver_version, fw_ver);
1039 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1045 * Sends IOCTL request to set encoding parameters.
1047 * This function allocates the IOCTL request buffer, fills it
1048 * with requisite parameters and calls the IOCTL handler.
1050 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1051 const u8 *key, int key_len, u8 key_index,
1052 const u8 *mac_addr, int disable)
1054 struct mwifiex_ds_encrypt_key encrypt_key;
1056 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1057 encrypt_key.key_len = key_len;
1058 encrypt_key.key_index = key_index;
1060 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1061 encrypt_key.is_igtk_key = true;
1065 memcpy(encrypt_key.key_material, key, key_len);
1067 encrypt_key.is_current_wep_key = true;
1070 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1071 if (kp && kp->seq && kp->seq_len) {
1072 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1073 encrypt_key.pn_len = kp->seq_len;
1074 encrypt_key.is_rx_seq_valid = true;
1077 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
1079 encrypt_key.key_disable = true;
1081 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1084 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1088 * Sends IOCTL request to get extended version.
1090 * This function allocates the IOCTL request buffer, fills it
1091 * with requisite parameters and calls the IOCTL handler.
1094 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1096 struct mwifiex_ver_ext ver_ext;
1098 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1099 if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT,
1100 HostCmd_ACT_GEN_GET, 0, &ver_ext, true))
1107 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1108 struct ieee80211_channel *chan,
1109 unsigned int duration)
1111 struct host_cmd_ds_remain_on_chan roc_cfg;
1114 memset(&roc_cfg, 0, sizeof(roc_cfg));
1115 roc_cfg.action = cpu_to_le16(action);
1116 if (action == HostCmd_ACT_GEN_SET) {
1117 roc_cfg.band_cfg = chan->band;
1118 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1119 roc_cfg.band_cfg |= (sc << 2);
1122 ieee80211_frequency_to_channel(chan->center_freq);
1123 roc_cfg.duration = cpu_to_le32(duration);
1125 if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1126 action, 0, &roc_cfg, true)) {
1127 dev_err(priv->adapter->dev, "failed to remain on channel\n");
1131 return roc_cfg.status;
1135 mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
1137 if (GET_BSS_ROLE(priv) == bss_role) {
1138 dev_dbg(priv->adapter->dev,
1139 "info: already in the desired role.\n");
1143 mwifiex_free_priv(priv);
1144 mwifiex_init_priv(priv);
1146 priv->bss_role = bss_role;
1148 case MWIFIEX_BSS_ROLE_UAP:
1149 priv->bss_mode = NL80211_IFTYPE_AP;
1151 case MWIFIEX_BSS_ROLE_STA:
1152 case MWIFIEX_BSS_ROLE_ANY:
1154 priv->bss_mode = NL80211_IFTYPE_STATION;
1158 mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1159 HostCmd_ACT_GEN_SET, 0, NULL, true);
1161 return mwifiex_sta_init_cmd(priv, false);
1165 * Sends IOCTL request to get statistics information.
1167 * This function allocates the IOCTL request buffer, fills it
1168 * with requisite parameters and calls the IOCTL handler.
1171 mwifiex_get_stats_info(struct mwifiex_private *priv,
1172 struct mwifiex_ds_get_stats *log)
1174 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_GET_LOG,
1175 HostCmd_ACT_GEN_GET, 0, log, true);
1179 * IOCTL request handler to read/write register.
1181 * This function prepares the correct firmware command and
1184 * Access to the following registers are supported -
1191 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1192 struct mwifiex_ds_reg_rw *reg_rw,
1197 switch (le32_to_cpu(reg_rw->type)) {
1198 case MWIFIEX_REG_MAC:
1199 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1201 case MWIFIEX_REG_BBP:
1202 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1204 case MWIFIEX_REG_RF:
1205 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1207 case MWIFIEX_REG_PMIC:
1208 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1210 case MWIFIEX_REG_CAU:
1211 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1217 return mwifiex_send_cmd(priv, cmd_no, action, 0, reg_rw, true);
1221 * Sends IOCTL request to write to a register.
1223 * This function allocates the IOCTL request buffer, fills it
1224 * with requisite parameters and calls the IOCTL handler.
1227 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1228 u32 reg_offset, u32 reg_value)
1230 struct mwifiex_ds_reg_rw reg_rw;
1232 reg_rw.type = cpu_to_le32(reg_type);
1233 reg_rw.offset = cpu_to_le32(reg_offset);
1234 reg_rw.value = cpu_to_le32(reg_value);
1236 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1240 * Sends IOCTL request to read from a register.
1242 * This function allocates the IOCTL request buffer, fills it
1243 * with requisite parameters and calls the IOCTL handler.
1246 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1247 u32 reg_offset, u32 *value)
1250 struct mwifiex_ds_reg_rw reg_rw;
1252 reg_rw.type = cpu_to_le32(reg_type);
1253 reg_rw.offset = cpu_to_le32(reg_offset);
1254 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1259 *value = le32_to_cpu(reg_rw.value);
1266 * Sends IOCTL request to read from EEPROM.
1268 * This function allocates the IOCTL request buffer, fills it
1269 * with requisite parameters and calls the IOCTL handler.
1272 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1276 struct mwifiex_ds_read_eeprom rd_eeprom;
1278 rd_eeprom.offset = cpu_to_le16((u16) offset);
1279 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1281 /* Send request to firmware */
1282 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1283 HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true);
1286 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1291 * This function sets a generic IE. In addition to generic IE, it can
1292 * also handle WPA, WPA2 and WAPI IEs.
1295 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1299 struct ieee_types_vendor_header *pvendor_ie;
1300 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1301 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1303 /* If the passed length is zero, reset the buffer */
1305 priv->gen_ie_buf_len = 0;
1306 priv->wps.session_enable = false;
1309 } else if (!ie_data_ptr) {
1312 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1313 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1314 if (((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1315 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1316 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1318 /* IE is a WPA/WPA2 IE so call set_wpa function */
1319 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1320 priv->wps.session_enable = false;
1323 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1324 /* IE is a WAPI IE so call set_wapi function */
1325 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1330 * Verify that the passed length is not larger than the
1331 * available space remaining in the buffer
1333 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1335 /* Test to see if it is a WPS IE, if so, enable
1338 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1339 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1340 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1341 priv->wps.session_enable = true;
1342 dev_dbg(priv->adapter->dev,
1343 "info: WPS Session Enabled.\n");
1344 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1347 /* Append the passed data to the end of the
1349 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1351 /* Increment the stored buffer length by the
1353 priv->gen_ie_buf_len += ie_len;
1355 /* Passed data does not fit in the remaining
1360 /* Return 0, or -1 for error case */
1365 * IOCTL request handler to set/get generic IE.
1367 * In addition to various generic IEs, this function can also be
1368 * used to set the ARP filter.
1370 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1371 struct mwifiex_ds_misc_gen_ie *gen_ie,
1374 struct mwifiex_adapter *adapter = priv->adapter;
1376 switch (gen_ie->type) {
1377 case MWIFIEX_IE_TYPE_GEN_IE:
1378 if (action == HostCmd_ACT_GEN_GET) {
1379 gen_ie->len = priv->wpa_ie_len;
1380 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1382 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1386 case MWIFIEX_IE_TYPE_ARP_FILTER:
1387 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1388 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1389 adapter->arp_filter_size = 0;
1390 dev_err(adapter->dev, "invalid ARP filter size\n");
1393 memcpy(adapter->arp_filter, gen_ie->ie_data,
1395 adapter->arp_filter_size = gen_ie->len;
1399 dev_err(adapter->dev, "invalid IE type\n");
1406 * Sends IOCTL request to set a generic IE.
1408 * This function allocates the IOCTL request buffer, fills it
1409 * with requisite parameters and calls the IOCTL handler.
1412 mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len)
1414 struct mwifiex_ds_misc_gen_ie gen_ie;
1416 if (ie_len > IEEE_MAX_IE_SIZE)
1419 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1420 gen_ie.len = ie_len;
1421 memcpy(gen_ie.ie_data, ie, ie_len);
1422 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))