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 mwifiex_process_country_ie(priv, bss);
277 /* Allocate and fill new bss descriptor */
278 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
283 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
288 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
289 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
295 if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
296 HostCmd_SCAN_RADIO_TYPE_BG) {
297 config_bands = BAND_B | BAND_G | BAND_GN;
299 config_bands = BAND_A | BAND_AN;
300 if (adapter->fw_bands & BAND_AAC)
301 config_bands |= BAND_AAC;
304 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
305 adapter->config_bands = config_bands;
307 ret = mwifiex_check_network_compatibility(priv, bss_desc);
311 if (mwifiex_11h_get_csa_closed_channel(priv) ==
312 (u8)bss_desc->channel) {
313 mwifiex_dbg(adapter, ERROR,
314 "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 if (adapter->hs_activated) {
508 mwifiex_dbg(adapter, CMD,
509 "cmd: HS Already activated\n");
513 adapter->hs_activate_wait_q_woken = false;
515 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
516 hscfg.is_invoke_hostcmd = true;
518 adapter->hs_enabling = true;
519 mwifiex_cancel_all_pending_cmd(adapter);
521 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
522 MWIFIEX_BSS_ROLE_STA),
523 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
525 mwifiex_dbg(adapter, ERROR,
526 "IOCTL request HS enable failed\n");
530 if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
531 adapter->hs_activate_wait_q_woken,
533 mwifiex_dbg(adapter, ERROR,
534 "hs_activate_wait_q terminated\n");
540 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
543 * IOCTL request handler to get BSS information.
545 * This function collates the information from different driver structures
546 * to send to the user.
548 int mwifiex_get_bss_info(struct mwifiex_private *priv,
549 struct mwifiex_bss_info *info)
551 struct mwifiex_adapter *adapter = priv->adapter;
552 struct mwifiex_bssdescriptor *bss_desc;
557 bss_desc = &priv->curr_bss_params.bss_descriptor;
559 info->bss_mode = priv->bss_mode;
561 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
563 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
565 info->bss_chan = bss_desc->channel;
567 memcpy(info->country_code, adapter->country_code,
568 IEEE80211_COUNTRY_STRING_LEN);
570 info->media_connected = priv->media_connected;
572 info->max_power_level = priv->max_tx_power_level;
573 info->min_power_level = priv->min_tx_power_level;
575 info->adhoc_state = priv->adhoc_state;
577 info->bcn_nf_last = priv->bcn_nf_last;
579 if (priv->sec_info.wep_enabled)
580 info->wep_status = true;
582 info->wep_status = false;
584 info->is_hs_configured = adapter->is_hs_configured;
585 info->is_deep_sleep = adapter->is_deep_sleep;
591 * The function disables auto deep sleep mode.
593 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
595 struct mwifiex_ds_auto_ds auto_ds;
597 auto_ds.auto_ds = DEEP_SLEEP_OFF;
599 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
600 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
602 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
605 * Sends IOCTL request to get the data rate.
607 * This function allocates the IOCTL request buffer, fills it
608 * with requisite parameters and calls the IOCTL handler.
610 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
614 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
615 HostCmd_ACT_GEN_GET, 0, NULL, true);
618 if (priv->is_data_rate_auto)
619 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
622 *rate = priv->data_rate;
629 * IOCTL request handler to set tx power configuration.
631 * This function prepares the correct firmware command and
634 * For non-auto power mode, all the following power groups are set -
635 * - Modulation class HR/DSSS
636 * - Modulation class OFDM
637 * - Modulation class HTBW20
638 * - Modulation class HTBW40
640 int mwifiex_set_tx_power(struct mwifiex_private *priv,
641 struct mwifiex_power_cfg *power_cfg)
644 struct host_cmd_ds_txpwr_cfg *txp_cfg;
645 struct mwifiex_types_power_group *pg_tlv;
646 struct mwifiex_power_group *pg;
650 if (!power_cfg->is_power_auto) {
651 dbm = (u16) power_cfg->power_level;
652 if ((dbm < priv->min_tx_power_level) ||
653 (dbm > priv->max_tx_power_level)) {
654 mwifiex_dbg(priv->adapter, ERROR,
655 "txpower value %d dBm\t"
656 "is out of range (%d dBm-%d dBm)\n",
657 dbm, priv->min_tx_power_level,
658 priv->max_tx_power_level);
662 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
666 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
667 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
668 if (!power_cfg->is_power_auto) {
669 txp_cfg->mode = cpu_to_le32(1);
670 pg_tlv = (struct mwifiex_types_power_group *)
671 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
672 pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
674 cpu_to_le16(4 * sizeof(struct mwifiex_power_group));
675 pg = (struct mwifiex_power_group *)
676 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
677 + sizeof(struct mwifiex_types_power_group));
678 /* Power group for modulation class HR/DSSS */
679 pg->first_rate_code = 0x00;
680 pg->last_rate_code = 0x03;
681 pg->modulation_class = MOD_CLASS_HR_DSSS;
683 pg->power_min = (s8) dbm;
684 pg->power_max = (s8) dbm;
686 /* Power group for modulation class OFDM */
687 pg->first_rate_code = 0x00;
688 pg->last_rate_code = 0x07;
689 pg->modulation_class = MOD_CLASS_OFDM;
691 pg->power_min = (s8) dbm;
692 pg->power_max = (s8) dbm;
694 /* Power group for modulation class HTBW20 */
695 pg->first_rate_code = 0x00;
696 pg->last_rate_code = 0x20;
697 pg->modulation_class = MOD_CLASS_HT;
699 pg->power_min = (s8) dbm;
700 pg->power_max = (s8) dbm;
701 pg->ht_bandwidth = HT_BW_20;
703 /* Power group for modulation class HTBW40 */
704 pg->first_rate_code = 0x00;
705 pg->last_rate_code = 0x20;
706 pg->modulation_class = MOD_CLASS_HT;
708 pg->power_min = (s8) dbm;
709 pg->power_max = (s8) dbm;
710 pg->ht_bandwidth = HT_BW_40;
712 ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG,
713 HostCmd_ACT_GEN_SET, 0, buf, true);
720 * IOCTL request handler to get power save mode.
722 * This function prepares the correct firmware command and
725 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
728 struct mwifiex_adapter *adapter = priv->adapter;
732 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
734 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
735 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
736 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
737 sub_cmd, BITMAP_STA_PS, NULL, true);
738 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
739 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
740 GET_PS, 0, NULL, false);
746 * IOCTL request handler to set/reset WPA IE.
748 * The supplied WPA IE is treated as a opaque buffer. Only the first field
749 * is checked to determine WPA version. If buffer length is zero, the existing
752 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
753 u8 *ie_data_ptr, u16 ie_len)
756 if (ie_len > sizeof(priv->wpa_ie)) {
757 mwifiex_dbg(priv->adapter, ERROR,
758 "failed to copy WPA IE, too big\n");
761 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
762 priv->wpa_ie_len = (u8) ie_len;
763 mwifiex_dbg(priv->adapter, CMD,
764 "cmd: Set Wpa_ie_len=%d IE=%#x\n",
765 priv->wpa_ie_len, priv->wpa_ie[0]);
767 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
768 priv->sec_info.wpa_enabled = true;
769 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
770 priv->sec_info.wpa2_enabled = true;
772 priv->sec_info.wpa_enabled = false;
773 priv->sec_info.wpa2_enabled = false;
776 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
777 priv->wpa_ie_len = 0;
778 mwifiex_dbg(priv->adapter, INFO,
779 "info: reset wpa_ie_len=%d IE=%#x\n",
780 priv->wpa_ie_len, priv->wpa_ie[0]);
781 priv->sec_info.wpa_enabled = false;
782 priv->sec_info.wpa2_enabled = false;
789 * IOCTL request handler to set/reset WAPI IE.
791 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
792 * is checked to internally enable WAPI. If buffer length is zero, the existing
795 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
796 u8 *ie_data_ptr, u16 ie_len)
799 if (ie_len > sizeof(priv->wapi_ie)) {
800 mwifiex_dbg(priv->adapter, ERROR,
801 "info: failed to copy WAPI IE, too big\n");
804 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
805 priv->wapi_ie_len = ie_len;
806 mwifiex_dbg(priv->adapter, CMD,
807 "cmd: Set wapi_ie_len=%d IE=%#x\n",
808 priv->wapi_ie_len, priv->wapi_ie[0]);
810 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
811 priv->sec_info.wapi_enabled = true;
813 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
814 priv->wapi_ie_len = ie_len;
815 mwifiex_dbg(priv->adapter, INFO,
816 "info: Reset wapi_ie_len=%d IE=%#x\n",
817 priv->wapi_ie_len, priv->wapi_ie[0]);
818 priv->sec_info.wapi_enabled = false;
824 * IOCTL request handler to set/reset WPS IE.
826 * The supplied WPS IE is treated as a opaque buffer. Only the first field
827 * is checked to internally enable WPS. If buffer length is zero, the existing
830 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
831 u8 *ie_data_ptr, u16 ie_len)
834 if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
835 mwifiex_dbg(priv->adapter, ERROR,
836 "info: failed to copy WPS IE, too big\n");
840 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
844 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
845 priv->wps_ie_len = ie_len;
846 mwifiex_dbg(priv->adapter, CMD,
847 "cmd: Set wps_ie_len=%d IE=%#x\n",
848 priv->wps_ie_len, priv->wps_ie[0]);
851 priv->wps_ie_len = ie_len;
852 mwifiex_dbg(priv->adapter, INFO,
853 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
859 * IOCTL request handler to set WAPI key.
861 * This function prepares the correct firmware command and
864 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
865 struct mwifiex_ds_encrypt_key *encrypt_key)
868 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
869 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
874 * IOCTL request handler to set WEP network key.
876 * This function prepares the correct firmware command and
877 * issues it, after validation checks.
879 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
880 struct mwifiex_ds_encrypt_key *encrypt_key)
882 struct mwifiex_adapter *adapter = priv->adapter;
884 struct mwifiex_wep_key *wep_key;
887 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
888 priv->wep_key_curr_index = 0;
889 wep_key = &priv->wep_key[priv->wep_key_curr_index];
890 index = encrypt_key->key_index;
891 if (encrypt_key->key_disable) {
892 priv->sec_info.wep_enabled = 0;
893 } else if (!encrypt_key->key_len) {
894 /* Copy the required key as the current key */
895 wep_key = &priv->wep_key[index];
896 if (!wep_key->key_length) {
897 mwifiex_dbg(adapter, ERROR,
898 "key not set, so cannot enable it\n");
902 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) {
903 memcpy(encrypt_key->key_material,
904 wep_key->key_material, wep_key->key_length);
905 encrypt_key->key_len = wep_key->key_length;
908 priv->wep_key_curr_index = (u16) index;
909 priv->sec_info.wep_enabled = 1;
911 wep_key = &priv->wep_key[index];
912 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
913 /* Copy the key in the driver */
914 memcpy(wep_key->key_material,
915 encrypt_key->key_material,
916 encrypt_key->key_len);
917 wep_key->key_index = index;
918 wep_key->key_length = encrypt_key->key_len;
919 priv->sec_info.wep_enabled = 1;
921 if (wep_key->key_length) {
924 if (encrypt_key->key_disable) {
925 memset(&priv->wep_key[index], 0,
926 sizeof(struct mwifiex_wep_key));
927 if (wep_key->key_length)
931 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
932 enc_key = encrypt_key;
936 /* Send request to firmware */
937 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
938 HostCmd_ACT_GEN_SET, 0, enc_key, false);
944 if (priv->sec_info.wep_enabled)
945 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
947 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
949 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
950 HostCmd_ACT_GEN_SET, 0,
951 &priv->curr_pkt_filter, true);
957 * IOCTL request handler to set WPA key.
959 * This function prepares the correct firmware command and
960 * issues it, after validation checks.
962 * Current driver only supports key length of up to 32 bytes.
964 * This function can also be used to disable a currently set key.
966 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
967 struct mwifiex_ds_encrypt_key *encrypt_key)
970 u8 remove_key = false;
971 struct host_cmd_ds_802_11_key_material *ibss_key;
973 /* Current driver only supports key length of up to 32 bytes */
974 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
975 mwifiex_dbg(priv->adapter, ERROR,
976 "key length too long\n");
980 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
982 * IBSS/WPA-None uses only one key (Group) for both receiving
983 * and sending unicast and multicast packets.
985 /* Send the key as PTK to firmware */
986 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
987 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
989 KEY_INFO_ENABLED, encrypt_key, false);
993 ibss_key = &priv->aes_key;
995 sizeof(struct host_cmd_ds_802_11_key_material));
996 /* Copy the key in the driver */
997 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
998 encrypt_key->key_len);
999 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
1000 sizeof(ibss_key->key_param_set.key_len));
1001 ibss_key->key_param_set.key_type_id
1002 = cpu_to_le16(KEY_TYPE_ID_TKIP);
1003 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
1005 /* Send the key as GTK to firmware */
1006 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
1009 if (!encrypt_key->key_index)
1010 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1013 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1014 HostCmd_ACT_GEN_SET,
1015 !KEY_INFO_ENABLED, encrypt_key, true);
1017 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1018 HostCmd_ACT_GEN_SET,
1019 KEY_INFO_ENABLED, encrypt_key, true);
1025 * IOCTL request handler to set/get network keys.
1027 * This is a generic key handling function which supports WEP, WPA
1031 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1032 struct mwifiex_ds_encrypt_key *encrypt_key)
1036 if (encrypt_key->is_wapi_key)
1037 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1038 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1039 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1041 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1046 * This function returns the driver version.
1049 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1058 ver.l = cpu_to_le32(adapter->fw_release_number);
1059 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1061 snprintf(version, max_len, driver_version, fw_ver);
1063 mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n", version);
1069 * Sends IOCTL request to set encoding parameters.
1071 * This function allocates the IOCTL request buffer, fills it
1072 * with requisite parameters and calls the IOCTL handler.
1074 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1075 const u8 *key, int key_len, u8 key_index,
1076 const u8 *mac_addr, int disable)
1078 struct mwifiex_ds_encrypt_key encrypt_key;
1080 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1081 encrypt_key.key_len = key_len;
1082 encrypt_key.key_index = key_index;
1084 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1085 encrypt_key.is_igtk_key = true;
1089 memcpy(encrypt_key.key_material, key, key_len);
1091 encrypt_key.is_current_wep_key = true;
1094 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1095 if (kp && kp->seq && kp->seq_len) {
1096 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1097 encrypt_key.pn_len = kp->seq_len;
1098 encrypt_key.is_rx_seq_valid = true;
1101 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
1103 encrypt_key.key_disable = true;
1105 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1108 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1112 * Sends IOCTL request to get extended version.
1114 * This function allocates the IOCTL request buffer, fills it
1115 * with requisite parameters and calls the IOCTL handler.
1118 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1120 struct mwifiex_ver_ext ver_ext;
1122 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1123 if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT,
1124 HostCmd_ACT_GEN_GET, 0, &ver_ext, true))
1131 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1132 struct ieee80211_channel *chan,
1133 unsigned int duration)
1135 struct host_cmd_ds_remain_on_chan roc_cfg;
1138 memset(&roc_cfg, 0, sizeof(roc_cfg));
1139 roc_cfg.action = cpu_to_le16(action);
1140 if (action == HostCmd_ACT_GEN_SET) {
1141 roc_cfg.band_cfg = chan->band;
1142 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1143 roc_cfg.band_cfg |= (sc << 2);
1146 ieee80211_frequency_to_channel(chan->center_freq);
1147 roc_cfg.duration = cpu_to_le32(duration);
1149 if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1150 action, 0, &roc_cfg, true)) {
1151 mwifiex_dbg(priv->adapter, ERROR,
1152 "failed to remain on channel\n");
1156 return roc_cfg.status;
1160 * Sends IOCTL request to get statistics information.
1162 * This function allocates the IOCTL request buffer, fills it
1163 * with requisite parameters and calls the IOCTL handler.
1166 mwifiex_get_stats_info(struct mwifiex_private *priv,
1167 struct mwifiex_ds_get_stats *log)
1169 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_GET_LOG,
1170 HostCmd_ACT_GEN_GET, 0, log, true);
1174 * IOCTL request handler to read/write register.
1176 * This function prepares the correct firmware command and
1179 * Access to the following registers are supported -
1186 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1187 struct mwifiex_ds_reg_rw *reg_rw,
1192 switch (le32_to_cpu(reg_rw->type)) {
1193 case MWIFIEX_REG_MAC:
1194 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1196 case MWIFIEX_REG_BBP:
1197 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1199 case MWIFIEX_REG_RF:
1200 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1202 case MWIFIEX_REG_PMIC:
1203 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1205 case MWIFIEX_REG_CAU:
1206 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1212 return mwifiex_send_cmd(priv, cmd_no, action, 0, reg_rw, true);
1216 * Sends IOCTL request to write to a register.
1218 * This function allocates the IOCTL request buffer, fills it
1219 * with requisite parameters and calls the IOCTL handler.
1222 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1223 u32 reg_offset, u32 reg_value)
1225 struct mwifiex_ds_reg_rw reg_rw;
1227 reg_rw.type = cpu_to_le32(reg_type);
1228 reg_rw.offset = cpu_to_le32(reg_offset);
1229 reg_rw.value = cpu_to_le32(reg_value);
1231 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1235 * Sends IOCTL request to read from a register.
1237 * This function allocates the IOCTL request buffer, fills it
1238 * with requisite parameters and calls the IOCTL handler.
1241 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1242 u32 reg_offset, u32 *value)
1245 struct mwifiex_ds_reg_rw reg_rw;
1247 reg_rw.type = cpu_to_le32(reg_type);
1248 reg_rw.offset = cpu_to_le32(reg_offset);
1249 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1254 *value = le32_to_cpu(reg_rw.value);
1261 * Sends IOCTL request to read from EEPROM.
1263 * This function allocates the IOCTL request buffer, fills it
1264 * with requisite parameters and calls the IOCTL handler.
1267 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1271 struct mwifiex_ds_read_eeprom rd_eeprom;
1273 rd_eeprom.offset = cpu_to_le16((u16) offset);
1274 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1276 /* Send request to firmware */
1277 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1278 HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true);
1281 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1286 * This function sets a generic IE. In addition to generic IE, it can
1287 * also handle WPA, WPA2 and WAPI IEs.
1290 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1294 struct ieee_types_vendor_header *pvendor_ie;
1295 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1296 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1298 /* If the passed length is zero, reset the buffer */
1300 priv->gen_ie_buf_len = 0;
1301 priv->wps.session_enable = false;
1304 } else if (!ie_data_ptr) {
1307 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1308 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1309 if (((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1310 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1311 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1313 /* IE is a WPA/WPA2 IE so call set_wpa function */
1314 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1315 priv->wps.session_enable = false;
1318 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1319 /* IE is a WAPI IE so call set_wapi function */
1320 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1325 * Verify that the passed length is not larger than the
1326 * available space remaining in the buffer
1328 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1330 /* Test to see if it is a WPS IE, if so, enable
1333 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1334 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1335 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1336 priv->wps.session_enable = true;
1337 mwifiex_dbg(priv->adapter, INFO,
1338 "info: WPS Session Enabled.\n");
1339 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1342 /* Append the passed data to the end of the
1344 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1346 /* Increment the stored buffer length by the
1348 priv->gen_ie_buf_len += ie_len;
1350 /* Passed data does not fit in the remaining
1355 /* Return 0, or -1 for error case */
1360 * IOCTL request handler to set/get generic IE.
1362 * In addition to various generic IEs, this function can also be
1363 * used to set the ARP filter.
1365 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1366 struct mwifiex_ds_misc_gen_ie *gen_ie,
1369 struct mwifiex_adapter *adapter = priv->adapter;
1371 switch (gen_ie->type) {
1372 case MWIFIEX_IE_TYPE_GEN_IE:
1373 if (action == HostCmd_ACT_GEN_GET) {
1374 gen_ie->len = priv->wpa_ie_len;
1375 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1377 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1381 case MWIFIEX_IE_TYPE_ARP_FILTER:
1382 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1383 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1384 adapter->arp_filter_size = 0;
1385 mwifiex_dbg(adapter, ERROR,
1386 "invalid ARP filter size\n");
1389 memcpy(adapter->arp_filter, gen_ie->ie_data,
1391 adapter->arp_filter_size = gen_ie->len;
1395 mwifiex_dbg(adapter, ERROR, "invalid IE type\n");
1402 * Sends IOCTL request to set a generic IE.
1404 * This function allocates the IOCTL request buffer, fills it
1405 * with requisite parameters and calls the IOCTL handler.
1408 mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len)
1410 struct mwifiex_ds_misc_gen_ie gen_ie;
1412 if (ie_len > IEEE_MAX_IE_SIZE)
1415 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1416 gen_ie.len = ie_len;
1417 memcpy(gen_ie.ie_data, ie, ie_len);
1418 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))