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),
69 mwifiex_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n",
71 mwifiex_cancel_all_pending_cmd(adapter);
75 status = adapter->cmd_wait_q.status;
76 adapter->cmd_wait_q.status = 0;
82 * This function prepares the correct firmware command and
83 * issues it to set the multicast list.
85 * This function can be used to enable promiscuous mode, or enable all
86 * multicast packets, or to enable selective multicast.
88 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
89 struct mwifiex_multicast_list *mcast_list)
94 old_pkt_filter = priv->curr_pkt_filter;
96 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
97 mwifiex_dbg(priv->adapter, INFO,
98 "info: Enable Promiscuous mode\n");
99 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
100 priv->curr_pkt_filter &=
101 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
104 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
105 if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
106 mwifiex_dbg(priv->adapter, INFO,
107 "info: Enabling All Multicast!\n");
108 priv->curr_pkt_filter |=
109 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
111 priv->curr_pkt_filter &=
112 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
113 mwifiex_dbg(priv->adapter, INFO,
114 "info: Set multicast list=%d\n",
115 mcast_list->num_multicast_addr);
116 /* Send multicast addresses to firmware */
117 ret = mwifiex_send_cmd(priv,
118 HostCmd_CMD_MAC_MULTICAST_ADR,
119 HostCmd_ACT_GEN_SET, 0,
123 mwifiex_dbg(priv->adapter, INFO,
124 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
125 old_pkt_filter, priv->curr_pkt_filter);
126 if (old_pkt_filter != priv->curr_pkt_filter) {
127 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
129 0, &priv->curr_pkt_filter, false);
136 * This function fills bss descriptor structure using provided
138 * beacon_ie buffer is allocated in this function. It is caller's
139 * responsibility to free the memory.
141 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
142 struct cfg80211_bss *bss,
143 struct mwifiex_bssdescriptor *bss_desc)
146 size_t beacon_ie_len;
147 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
148 const struct cfg80211_bss_ies *ies;
151 ies = rcu_dereference(bss->ies);
152 beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
153 beacon_ie_len = ies->len;
154 bss_desc->timestamp = ies->tsf;
158 mwifiex_dbg(priv->adapter, ERROR,
159 " failed to alloc beacon_ie\n");
163 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
164 bss_desc->rssi = bss->signal;
165 /* The caller of this function will free beacon_ie */
166 bss_desc->beacon_buf = beacon_ie;
167 bss_desc->beacon_buf_size = beacon_ie_len;
168 bss_desc->beacon_period = bss->beacon_interval;
169 bss_desc->cap_info_bitmap = bss->capability;
170 bss_desc->bss_band = bss_priv->band;
171 bss_desc->fw_tsf = bss_priv->fw_tsf;
172 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
173 mwifiex_dbg(priv->adapter, INFO,
174 "info: InterpretIE: AP WEP enabled\n");
175 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
177 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
179 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
180 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
182 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
184 /* Disable 11ac by default. Enable it only where there
185 * exist VHT_CAP IE in AP beacon
187 bss_desc->disable_11ac = true;
189 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
190 bss_desc->sensed_11h = true;
192 return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
195 void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv)
197 if (priv->adapter->dt_node) {
198 char txpwr[] = {"marvell,00_txpwrlimit"};
200 memcpy(&txpwr[8], priv->adapter->country_code, 2);
201 mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
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 if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) {
228 mwifiex_dbg(priv->adapter, INFO,
229 "11D: skip setting domain info in FW\n");
232 memcpy(priv->adapter->country_code, &country_ie[2], 2);
234 domain_info->country_code[0] = country_ie[2];
235 domain_info->country_code[1] = country_ie[3];
236 domain_info->country_code[2] = ' ';
238 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
240 domain_info->no_of_triplet =
241 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
243 memcpy((u8 *)domain_info->triplet,
244 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
248 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
249 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
250 mwifiex_dbg(priv->adapter, ERROR,
251 "11D: setting domain info in FW fail\n");
255 mwifiex_dnld_txpwr_table(priv);
261 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
262 * In both Ad-Hoc and infra mode, an deauthentication is performed
265 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
266 struct cfg80211_ssid *req_ssid)
269 struct mwifiex_adapter *adapter = priv->adapter;
270 struct mwifiex_bssdescriptor *bss_desc = NULL;
272 priv->scan_block = false;
275 if (adapter->region_code == 0x00)
276 mwifiex_process_country_ie(priv, bss);
278 /* Allocate and fill new bss descriptor */
279 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
284 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
289 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
290 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
296 if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
297 HostCmd_SCAN_RADIO_TYPE_BG) {
298 config_bands = BAND_B | BAND_G | BAND_GN;
300 config_bands = BAND_A | BAND_AN;
301 if (adapter->fw_bands & BAND_AAC)
302 config_bands |= BAND_AAC;
305 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
306 adapter->config_bands = config_bands;
308 ret = mwifiex_check_network_compatibility(priv, bss_desc);
312 if (mwifiex_11h_get_csa_closed_channel(priv) ==
313 (u8)bss_desc->channel) {
314 mwifiex_dbg(adapter, ERROR,
315 "Attempt to reconnect on csa closed chan(%d)\n",
320 mwifiex_dbg(adapter, INFO,
321 "info: SSID found in scan list ...\t"
324 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
325 if (netif_carrier_ok(priv->netdev))
326 netif_carrier_off(priv->netdev);
328 /* Clear any past association response stored for
329 * application retrieval */
330 priv->assoc_rsp_size = 0;
331 ret = mwifiex_associate(priv, bss_desc);
333 /* If auth type is auto and association fails using open mode,
334 * try to connect using shared mode */
335 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
336 priv->sec_info.is_authtype_auto &&
337 priv->sec_info.wep_enabled) {
338 priv->sec_info.authentication_mode =
339 NL80211_AUTHTYPE_SHARED_KEY;
340 ret = mwifiex_associate(priv, bss_desc);
344 cfg80211_put_bss(priv->adapter->wiphy, bss);
347 /* If the requested SSID matches current SSID, return */
348 if (bss_desc && bss_desc->ssid.ssid_len &&
349 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
350 ssid, &bss_desc->ssid))) {
355 priv->adhoc_is_link_sensed = false;
357 ret = mwifiex_check_network_compatibility(priv, bss_desc);
359 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
360 if (netif_carrier_ok(priv->netdev))
361 netif_carrier_off(priv->netdev);
364 mwifiex_dbg(adapter, INFO,
365 "info: network found in scan\t"
366 " list. Joining...\n");
367 ret = mwifiex_adhoc_join(priv, bss_desc);
369 cfg80211_put_bss(priv->adapter->wiphy, bss);
371 mwifiex_dbg(adapter, INFO,
372 "info: Network not found in\t"
373 "the list, creating adhoc with ssid = %s\n",
375 ret = mwifiex_adhoc_start(priv, req_ssid);
380 /* beacon_ie buffer was allocated in function
381 * mwifiex_fill_new_bss_desc(). Free it now.
384 kfree(bss_desc->beacon_buf);
390 * IOCTL request handler to set host sleep configuration.
392 * This function prepares the correct firmware command and
395 int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
396 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
399 struct mwifiex_adapter *adapter = priv->adapter;
407 case HostCmd_ACT_GEN_SET:
408 if (adapter->pps_uapsd_mode) {
409 mwifiex_dbg(adapter, INFO,
410 "info: Host Sleep IOCTL\t"
411 "is blocked in UAPSD/PPS mode\n");
415 if (hs_cfg->is_invoke_hostcmd) {
416 if (hs_cfg->conditions == HS_CFG_CANCEL) {
417 if (!adapter->is_hs_configured)
418 /* Already cancelled */
420 /* Save previous condition */
421 prev_cond = le32_to_cpu(adapter->hs_cfg
423 adapter->hs_cfg.conditions =
424 cpu_to_le32(hs_cfg->conditions);
425 } else if (hs_cfg->conditions) {
426 adapter->hs_cfg.conditions =
427 cpu_to_le32(hs_cfg->conditions);
428 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
430 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
431 } else if (adapter->hs_cfg.conditions ==
432 cpu_to_le32(HS_CFG_CANCEL)) {
433 /* Return failure if no parameters for HS
439 status = mwifiex_send_cmd(priv,
440 HostCmd_CMD_802_11_HS_CFG_ENH,
441 HostCmd_ACT_GEN_SET, 0,
443 cmd_type == MWIFIEX_SYNC_CMD);
445 if (hs_cfg->conditions == HS_CFG_CANCEL)
446 /* Restore previous condition */
447 adapter->hs_cfg.conditions =
448 cpu_to_le32(prev_cond);
450 adapter->hs_cfg.conditions =
451 cpu_to_le32(hs_cfg->conditions);
452 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
453 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
456 case HostCmd_ACT_GEN_GET:
457 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
458 hs_cfg->gpio = adapter->hs_cfg.gpio;
459 hs_cfg->gap = adapter->hs_cfg.gap;
470 * Sends IOCTL request to cancel the existing Host Sleep configuration.
472 * This function allocates the IOCTL request buffer, fills it
473 * with requisite parameters and calls the IOCTL handler.
475 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
477 struct mwifiex_ds_hs_cfg hscfg;
479 hscfg.conditions = HS_CFG_CANCEL;
480 hscfg.is_invoke_hostcmd = true;
482 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
485 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
488 * Sends IOCTL request to cancel the existing Host Sleep configuration.
490 * This function allocates the IOCTL request buffer, fills it
491 * with requisite parameters and calls the IOCTL handler.
493 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
495 struct mwifiex_ds_hs_cfg hscfg;
496 struct mwifiex_private *priv;
499 if (disconnect_on_suspend) {
500 for (i = 0; i < adapter->priv_num; i++) {
501 priv = adapter->priv[i];
503 mwifiex_deauthenticate(priv, NULL);
507 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
509 if (priv && priv->sched_scanning) {
511 if (!priv->wdev.wiphy->wowlan_config->nd_config) {
513 mwifiex_dbg(adapter, CMD, "aborting bgscan!\n");
514 mwifiex_stop_bg_scan(priv);
515 cfg80211_sched_scan_stopped(priv->wdev.wiphy);
521 if (adapter->hs_activated) {
522 mwifiex_dbg(adapter, CMD,
523 "cmd: HS Already activated\n");
527 adapter->hs_activate_wait_q_woken = false;
529 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
530 hscfg.is_invoke_hostcmd = true;
532 adapter->hs_enabling = true;
533 mwifiex_cancel_all_pending_cmd(adapter);
535 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
536 MWIFIEX_BSS_ROLE_STA),
537 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
539 mwifiex_dbg(adapter, ERROR,
540 "IOCTL request HS enable failed\n");
544 if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
545 adapter->hs_activate_wait_q_woken,
547 mwifiex_dbg(adapter, ERROR,
548 "hs_activate_wait_q terminated\n");
554 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
557 * IOCTL request handler to get BSS information.
559 * This function collates the information from different driver structures
560 * to send to the user.
562 int mwifiex_get_bss_info(struct mwifiex_private *priv,
563 struct mwifiex_bss_info *info)
565 struct mwifiex_adapter *adapter = priv->adapter;
566 struct mwifiex_bssdescriptor *bss_desc;
571 bss_desc = &priv->curr_bss_params.bss_descriptor;
573 info->bss_mode = priv->bss_mode;
575 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
577 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
579 info->bss_chan = bss_desc->channel;
581 memcpy(info->country_code, adapter->country_code,
582 IEEE80211_COUNTRY_STRING_LEN);
584 info->media_connected = priv->media_connected;
586 info->max_power_level = priv->max_tx_power_level;
587 info->min_power_level = priv->min_tx_power_level;
589 info->adhoc_state = priv->adhoc_state;
591 info->bcn_nf_last = priv->bcn_nf_last;
593 if (priv->sec_info.wep_enabled)
594 info->wep_status = true;
596 info->wep_status = false;
598 info->is_hs_configured = adapter->is_hs_configured;
599 info->is_deep_sleep = adapter->is_deep_sleep;
605 * The function disables auto deep sleep mode.
607 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
609 struct mwifiex_ds_auto_ds auto_ds;
611 auto_ds.auto_ds = DEEP_SLEEP_OFF;
613 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
614 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
616 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
619 * Sends IOCTL request to get the data rate.
621 * This function allocates the IOCTL request buffer, fills it
622 * with requisite parameters and calls the IOCTL handler.
624 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
628 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
629 HostCmd_ACT_GEN_GET, 0, NULL, true);
632 if (priv->is_data_rate_auto)
633 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
636 *rate = priv->data_rate;
643 * IOCTL request handler to set tx power configuration.
645 * This function prepares the correct firmware command and
648 * For non-auto power mode, all the following power groups are set -
649 * - Modulation class HR/DSSS
650 * - Modulation class OFDM
651 * - Modulation class HTBW20
652 * - Modulation class HTBW40
654 int mwifiex_set_tx_power(struct mwifiex_private *priv,
655 struct mwifiex_power_cfg *power_cfg)
658 struct host_cmd_ds_txpwr_cfg *txp_cfg;
659 struct mwifiex_types_power_group *pg_tlv;
660 struct mwifiex_power_group *pg;
664 if (!power_cfg->is_power_auto) {
665 dbm = (u16) power_cfg->power_level;
666 if ((dbm < priv->min_tx_power_level) ||
667 (dbm > priv->max_tx_power_level)) {
668 mwifiex_dbg(priv->adapter, ERROR,
669 "txpower value %d dBm\t"
670 "is out of range (%d dBm-%d dBm)\n",
671 dbm, priv->min_tx_power_level,
672 priv->max_tx_power_level);
676 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
680 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
681 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
682 if (!power_cfg->is_power_auto) {
683 txp_cfg->mode = cpu_to_le32(1);
684 pg_tlv = (struct mwifiex_types_power_group *)
685 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
686 pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
688 cpu_to_le16(4 * sizeof(struct mwifiex_power_group));
689 pg = (struct mwifiex_power_group *)
690 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
691 + sizeof(struct mwifiex_types_power_group));
692 /* Power group for modulation class HR/DSSS */
693 pg->first_rate_code = 0x00;
694 pg->last_rate_code = 0x03;
695 pg->modulation_class = MOD_CLASS_HR_DSSS;
697 pg->power_min = (s8) dbm;
698 pg->power_max = (s8) dbm;
700 /* Power group for modulation class OFDM */
701 pg->first_rate_code = 0x00;
702 pg->last_rate_code = 0x07;
703 pg->modulation_class = MOD_CLASS_OFDM;
705 pg->power_min = (s8) dbm;
706 pg->power_max = (s8) dbm;
708 /* Power group for modulation class HTBW20 */
709 pg->first_rate_code = 0x00;
710 pg->last_rate_code = 0x20;
711 pg->modulation_class = MOD_CLASS_HT;
713 pg->power_min = (s8) dbm;
714 pg->power_max = (s8) dbm;
715 pg->ht_bandwidth = HT_BW_20;
717 /* Power group for modulation class HTBW40 */
718 pg->first_rate_code = 0x00;
719 pg->last_rate_code = 0x20;
720 pg->modulation_class = MOD_CLASS_HT;
722 pg->power_min = (s8) dbm;
723 pg->power_max = (s8) dbm;
724 pg->ht_bandwidth = HT_BW_40;
726 ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG,
727 HostCmd_ACT_GEN_SET, 0, buf, true);
734 * IOCTL request handler to get power save mode.
736 * This function prepares the correct firmware command and
739 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
742 struct mwifiex_adapter *adapter = priv->adapter;
746 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
748 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
749 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
750 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
751 sub_cmd, BITMAP_STA_PS, NULL, true);
752 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
753 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
754 GET_PS, 0, NULL, false);
760 * IOCTL request handler to set/reset WPA IE.
762 * The supplied WPA IE is treated as a opaque buffer. Only the first field
763 * is checked to determine WPA version. If buffer length is zero, the existing
766 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
767 u8 *ie_data_ptr, u16 ie_len)
770 if (ie_len > sizeof(priv->wpa_ie)) {
771 mwifiex_dbg(priv->adapter, ERROR,
772 "failed to copy WPA IE, too big\n");
775 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
776 priv->wpa_ie_len = ie_len;
777 mwifiex_dbg(priv->adapter, CMD,
778 "cmd: Set Wpa_ie_len=%d IE=%#x\n",
779 priv->wpa_ie_len, priv->wpa_ie[0]);
781 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
782 priv->sec_info.wpa_enabled = true;
783 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
784 priv->sec_info.wpa2_enabled = true;
786 priv->sec_info.wpa_enabled = false;
787 priv->sec_info.wpa2_enabled = false;
790 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
791 priv->wpa_ie_len = 0;
792 mwifiex_dbg(priv->adapter, INFO,
793 "info: reset wpa_ie_len=%d IE=%#x\n",
794 priv->wpa_ie_len, priv->wpa_ie[0]);
795 priv->sec_info.wpa_enabled = false;
796 priv->sec_info.wpa2_enabled = false;
803 * IOCTL request handler to set/reset WAPI IE.
805 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
806 * is checked to internally enable WAPI. If buffer length is zero, the existing
809 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
810 u8 *ie_data_ptr, u16 ie_len)
813 if (ie_len > sizeof(priv->wapi_ie)) {
814 mwifiex_dbg(priv->adapter, ERROR,
815 "info: failed to copy WAPI IE, too big\n");
818 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
819 priv->wapi_ie_len = ie_len;
820 mwifiex_dbg(priv->adapter, CMD,
821 "cmd: Set wapi_ie_len=%d IE=%#x\n",
822 priv->wapi_ie_len, priv->wapi_ie[0]);
824 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
825 priv->sec_info.wapi_enabled = true;
827 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
828 priv->wapi_ie_len = ie_len;
829 mwifiex_dbg(priv->adapter, INFO,
830 "info: Reset wapi_ie_len=%d IE=%#x\n",
831 priv->wapi_ie_len, priv->wapi_ie[0]);
832 priv->sec_info.wapi_enabled = false;
838 * IOCTL request handler to set/reset WPS IE.
840 * The supplied WPS IE is treated as a opaque buffer. Only the first field
841 * is checked to internally enable WPS. If buffer length is zero, the existing
844 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
845 u8 *ie_data_ptr, u16 ie_len)
848 if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
849 mwifiex_dbg(priv->adapter, ERROR,
850 "info: failed to copy WPS IE, too big\n");
854 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
858 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
859 priv->wps_ie_len = ie_len;
860 mwifiex_dbg(priv->adapter, CMD,
861 "cmd: Set wps_ie_len=%d IE=%#x\n",
862 priv->wps_ie_len, priv->wps_ie[0]);
865 priv->wps_ie_len = ie_len;
866 mwifiex_dbg(priv->adapter, INFO,
867 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
873 * IOCTL request handler to set WAPI key.
875 * This function prepares the correct firmware command and
878 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
879 struct mwifiex_ds_encrypt_key *encrypt_key)
882 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
883 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
888 * IOCTL request handler to set WEP network key.
890 * This function prepares the correct firmware command and
891 * issues it, after validation checks.
893 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
894 struct mwifiex_ds_encrypt_key *encrypt_key)
896 struct mwifiex_adapter *adapter = priv->adapter;
898 struct mwifiex_wep_key *wep_key;
901 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
902 priv->wep_key_curr_index = 0;
903 wep_key = &priv->wep_key[priv->wep_key_curr_index];
904 index = encrypt_key->key_index;
905 if (encrypt_key->key_disable) {
906 priv->sec_info.wep_enabled = 0;
907 } else if (!encrypt_key->key_len) {
908 /* Copy the required key as the current key */
909 wep_key = &priv->wep_key[index];
910 if (!wep_key->key_length) {
911 mwifiex_dbg(adapter, ERROR,
912 "key not set, so cannot enable it\n");
916 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) {
917 memcpy(encrypt_key->key_material,
918 wep_key->key_material, wep_key->key_length);
919 encrypt_key->key_len = wep_key->key_length;
922 priv->wep_key_curr_index = (u16) index;
923 priv->sec_info.wep_enabled = 1;
925 wep_key = &priv->wep_key[index];
926 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
927 /* Copy the key in the driver */
928 memcpy(wep_key->key_material,
929 encrypt_key->key_material,
930 encrypt_key->key_len);
931 wep_key->key_index = index;
932 wep_key->key_length = encrypt_key->key_len;
933 priv->sec_info.wep_enabled = 1;
935 if (wep_key->key_length) {
938 if (encrypt_key->key_disable) {
939 memset(&priv->wep_key[index], 0,
940 sizeof(struct mwifiex_wep_key));
944 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
945 enc_key = encrypt_key;
949 /* Send request to firmware */
950 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
951 HostCmd_ACT_GEN_SET, 0, enc_key, false);
957 if (priv->sec_info.wep_enabled)
958 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
960 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
962 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
963 HostCmd_ACT_GEN_SET, 0,
964 &priv->curr_pkt_filter, true);
970 * IOCTL request handler to set WPA key.
972 * This function prepares the correct firmware command and
973 * issues it, after validation checks.
975 * Current driver only supports key length of up to 32 bytes.
977 * This function can also be used to disable a currently set key.
979 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
980 struct mwifiex_ds_encrypt_key *encrypt_key)
983 u8 remove_key = false;
984 struct host_cmd_ds_802_11_key_material *ibss_key;
986 /* Current driver only supports key length of up to 32 bytes */
987 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
988 mwifiex_dbg(priv->adapter, ERROR,
989 "key length too long\n");
993 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
995 * IBSS/WPA-None uses only one key (Group) for both receiving
996 * and sending unicast and multicast packets.
998 /* Send the key as PTK to firmware */
999 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1000 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1001 HostCmd_ACT_GEN_SET,
1002 KEY_INFO_ENABLED, encrypt_key, false);
1006 ibss_key = &priv->aes_key;
1008 sizeof(struct host_cmd_ds_802_11_key_material));
1009 /* Copy the key in the driver */
1010 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
1011 encrypt_key->key_len);
1012 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
1013 sizeof(ibss_key->key_param_set.key_len));
1014 ibss_key->key_param_set.key_type_id
1015 = cpu_to_le16(KEY_TYPE_ID_TKIP);
1016 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
1018 /* Send the key as GTK to firmware */
1019 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
1022 if (!encrypt_key->key_index)
1023 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1026 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1027 HostCmd_ACT_GEN_SET,
1028 !KEY_INFO_ENABLED, encrypt_key, true);
1030 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1031 HostCmd_ACT_GEN_SET,
1032 KEY_INFO_ENABLED, encrypt_key, true);
1038 * IOCTL request handler to set/get network keys.
1040 * This is a generic key handling function which supports WEP, WPA
1044 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1045 struct mwifiex_ds_encrypt_key *encrypt_key)
1049 if (encrypt_key->is_wapi_key)
1050 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1051 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1052 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1054 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1059 * This function returns the driver version.
1062 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1071 ver.l = cpu_to_le32(adapter->fw_release_number);
1072 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1074 snprintf(version, max_len, driver_version, fw_ver);
1076 mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n", version);
1082 * Sends IOCTL request to set encoding parameters.
1084 * This function allocates the IOCTL request buffer, fills it
1085 * with requisite parameters and calls the IOCTL handler.
1087 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1088 const u8 *key, int key_len, u8 key_index,
1089 const u8 *mac_addr, int disable)
1091 struct mwifiex_ds_encrypt_key encrypt_key;
1093 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1094 encrypt_key.key_len = key_len;
1095 encrypt_key.key_index = key_index;
1097 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1098 encrypt_key.is_igtk_key = true;
1102 memcpy(encrypt_key.key_material, key, key_len);
1104 encrypt_key.is_current_wep_key = true;
1107 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1108 if (kp && kp->seq && kp->seq_len) {
1109 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1110 encrypt_key.pn_len = kp->seq_len;
1111 encrypt_key.is_rx_seq_valid = true;
1114 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
1116 encrypt_key.key_disable = true;
1118 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1121 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1125 * Sends IOCTL request to get extended version.
1127 * This function allocates the IOCTL request buffer, fills it
1128 * with requisite parameters and calls the IOCTL handler.
1131 mwifiex_get_ver_ext(struct mwifiex_private *priv, u32 version_str_sel)
1133 struct mwifiex_ver_ext ver_ext;
1135 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1136 ver_ext.version_str_sel = version_str_sel;
1137 if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT,
1138 HostCmd_ACT_GEN_GET, 0, &ver_ext, true))
1145 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1146 struct ieee80211_channel *chan,
1147 unsigned int duration)
1149 struct host_cmd_ds_remain_on_chan roc_cfg;
1152 memset(&roc_cfg, 0, sizeof(roc_cfg));
1153 roc_cfg.action = cpu_to_le16(action);
1154 if (action == HostCmd_ACT_GEN_SET) {
1155 roc_cfg.band_cfg = chan->band;
1156 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1157 roc_cfg.band_cfg |= (sc << 2);
1160 ieee80211_frequency_to_channel(chan->center_freq);
1161 roc_cfg.duration = cpu_to_le32(duration);
1163 if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1164 action, 0, &roc_cfg, true)) {
1165 mwifiex_dbg(priv->adapter, ERROR,
1166 "failed to remain on channel\n");
1170 return roc_cfg.status;
1174 * Sends IOCTL request to get statistics information.
1176 * This function allocates the IOCTL request buffer, fills it
1177 * with requisite parameters and calls the IOCTL handler.
1180 mwifiex_get_stats_info(struct mwifiex_private *priv,
1181 struct mwifiex_ds_get_stats *log)
1183 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_GET_LOG,
1184 HostCmd_ACT_GEN_GET, 0, log, true);
1188 * IOCTL request handler to read/write register.
1190 * This function prepares the correct firmware command and
1193 * Access to the following registers are supported -
1200 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1201 struct mwifiex_ds_reg_rw *reg_rw,
1206 switch (le32_to_cpu(reg_rw->type)) {
1207 case MWIFIEX_REG_MAC:
1208 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1210 case MWIFIEX_REG_BBP:
1211 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1213 case MWIFIEX_REG_RF:
1214 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1216 case MWIFIEX_REG_PMIC:
1217 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1219 case MWIFIEX_REG_CAU:
1220 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1226 return mwifiex_send_cmd(priv, cmd_no, action, 0, reg_rw, true);
1230 * Sends IOCTL request to write to a register.
1232 * This function allocates the IOCTL request buffer, fills it
1233 * with requisite parameters and calls the IOCTL handler.
1236 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1237 u32 reg_offset, u32 reg_value)
1239 struct mwifiex_ds_reg_rw reg_rw;
1241 reg_rw.type = cpu_to_le32(reg_type);
1242 reg_rw.offset = cpu_to_le32(reg_offset);
1243 reg_rw.value = cpu_to_le32(reg_value);
1245 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1249 * Sends IOCTL request to read from a register.
1251 * This function allocates the IOCTL request buffer, fills it
1252 * with requisite parameters and calls the IOCTL handler.
1255 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1256 u32 reg_offset, u32 *value)
1259 struct mwifiex_ds_reg_rw reg_rw;
1261 reg_rw.type = cpu_to_le32(reg_type);
1262 reg_rw.offset = cpu_to_le32(reg_offset);
1263 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1268 *value = le32_to_cpu(reg_rw.value);
1275 * Sends IOCTL request to read from EEPROM.
1277 * This function allocates the IOCTL request buffer, fills it
1278 * with requisite parameters and calls the IOCTL handler.
1281 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1285 struct mwifiex_ds_read_eeprom rd_eeprom;
1287 rd_eeprom.offset = cpu_to_le16((u16) offset);
1288 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1290 /* Send request to firmware */
1291 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1292 HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true);
1295 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1300 * This function sets a generic IE. In addition to generic IE, it can
1301 * also handle WPA, WPA2 and WAPI IEs.
1304 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1308 struct ieee_types_vendor_header *pvendor_ie;
1309 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1310 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1311 u16 unparsed_len = ie_len;
1312 int find_wpa_ie = 0;
1314 /* If the passed length is zero, reset the buffer */
1316 priv->gen_ie_buf_len = 0;
1317 priv->wps.session_enable = false;
1320 } else if (!ie_data_ptr) {
1323 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1325 while (pvendor_ie) {
1326 if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) {
1327 /* Test to see if it is a WPA IE, if not, then it is a
1330 if (!memcmp(pvendor_ie->oui, wpa_oui,
1336 /* Test to see if it is a WPS IE, if so, enable
1339 if (!memcmp(pvendor_ie->oui, wps_oui,
1341 priv->wps.session_enable = true;
1342 mwifiex_dbg(priv->adapter, MSG,
1343 "info: WPS Session Enabled.\n");
1344 ret = mwifiex_set_wps_ie(priv,
1350 if (pvendor_ie->element_id == WLAN_EID_RSN) {
1355 if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1356 /* IE is a WAPI IE so call set_wapi function */
1357 ret = mwifiex_set_wapi_ie(priv, (u8 *)pvendor_ie,
1362 unparsed_len -= (pvendor_ie->len +
1363 sizeof(struct ieee_types_header));
1365 if (unparsed_len <= sizeof(struct ieee_types_header))
1368 pvendor_ie = (struct ieee_types_vendor_header *)
1369 (((u8 *)pvendor_ie) + pvendor_ie->len +
1370 sizeof(struct ieee_types_header));
1374 /* IE is a WPA/WPA2 IE so call set_wpa function */
1375 ret = mwifiex_set_wpa_ie_helper(priv, (u8 *)pvendor_ie,
1377 priv->wps.session_enable = false;
1382 * Verify that the passed length is not larger than the
1383 * available space remaining in the buffer
1385 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1387 /* Append the passed data to the end of the
1389 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1391 /* Increment the stored buffer length by the
1393 priv->gen_ie_buf_len += ie_len;
1395 /* Passed data does not fit in the remaining
1400 /* Return 0, or -1 for error case */
1405 * IOCTL request handler to set/get generic IE.
1407 * In addition to various generic IEs, this function can also be
1408 * used to set the ARP filter.
1410 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1411 struct mwifiex_ds_misc_gen_ie *gen_ie,
1414 struct mwifiex_adapter *adapter = priv->adapter;
1416 switch (gen_ie->type) {
1417 case MWIFIEX_IE_TYPE_GEN_IE:
1418 if (action == HostCmd_ACT_GEN_GET) {
1419 gen_ie->len = priv->wpa_ie_len;
1420 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1422 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1426 case MWIFIEX_IE_TYPE_ARP_FILTER:
1427 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1428 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1429 adapter->arp_filter_size = 0;
1430 mwifiex_dbg(adapter, ERROR,
1431 "invalid ARP filter size\n");
1434 memcpy(adapter->arp_filter, gen_ie->ie_data,
1436 adapter->arp_filter_size = gen_ie->len;
1440 mwifiex_dbg(adapter, ERROR, "invalid IE type\n");
1447 * Sends IOCTL request to set a generic IE.
1449 * This function allocates the IOCTL request buffer, fills it
1450 * with requisite parameters and calls the IOCTL handler.
1453 mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len)
1455 struct mwifiex_ds_misc_gen_ie gen_ie;
1457 if (ie_len > IEEE_MAX_IE_SIZE)
1460 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1461 gen_ie.len = ie_len;
1462 memcpy(gen_ie.ie_data, ie, ie_len);
1463 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))
1469 /* This function get Host Sleep wake up reason.
1472 int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
1474 struct mwifiex_ds_wakeup_reason *wakeup_reason)
1478 status = mwifiex_send_cmd(priv, HostCmd_CMD_HS_WAKEUP_REASON,
1479 HostCmd_ACT_GEN_GET, 0, wakeup_reason,
1480 cmd_type == MWIFIEX_SYNC_CMD);