2 * Marvell Wireless LAN device driver: functions for station ioctl
4 * Copyright (C) 2011, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
29 static int disconnect_on_suspend = 1;
30 module_param(disconnect_on_suspend, int, 0644);
33 * Copies the multicast address list from device to driver.
35 * This function does not validate the destination memory for
36 * size, and the calling function must ensure enough memory is
39 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
40 struct net_device *dev)
43 struct netdev_hw_addr *ha;
45 netdev_for_each_mc_addr(ha, dev)
46 memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
52 * Wait queue completion handler.
54 * This function waits on a cmd wait queue. It also cancels the pending
55 * request after waking up, in case of errors.
57 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
58 struct cmd_ctrl_node *cmd_queued)
62 /* Wait for completion */
63 status = wait_event_interruptible(adapter->cmd_wait_q.wait,
64 *(cmd_queued->condition));
66 dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
70 status = adapter->cmd_wait_q.status;
71 adapter->cmd_wait_q.status = 0;
77 * This function prepares the correct firmware command and
78 * issues it to set the multicast list.
80 * This function can be used to enable promiscuous mode, or enable all
81 * multicast packets, or to enable selective multicast.
83 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
84 struct mwifiex_multicast_list *mcast_list)
89 old_pkt_filter = priv->curr_pkt_filter;
91 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
92 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
93 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
94 priv->curr_pkt_filter &=
95 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
98 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
99 if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
100 dev_dbg(priv->adapter->dev,
101 "info: Enabling All Multicast!\n");
102 priv->curr_pkt_filter |=
103 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
105 priv->curr_pkt_filter &=
106 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
107 dev_dbg(priv->adapter->dev,
108 "info: Set multicast list=%d\n",
109 mcast_list->num_multicast_addr);
110 /* Send multicast addresses to firmware */
111 ret = mwifiex_send_cmd_async(priv,
112 HostCmd_CMD_MAC_MULTICAST_ADR,
113 HostCmd_ACT_GEN_SET, 0,
117 dev_dbg(priv->adapter->dev,
118 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
119 old_pkt_filter, priv->curr_pkt_filter);
120 if (old_pkt_filter != priv->curr_pkt_filter) {
121 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
123 0, &priv->curr_pkt_filter);
130 * This function fills bss descriptor structure using provided
132 * beacon_ie buffer is allocated in this function. It is caller's
133 * responsibility to free the memory.
135 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
136 struct cfg80211_bss *bss,
137 struct mwifiex_bssdescriptor *bss_desc)
140 size_t beacon_ie_len;
141 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
142 const struct cfg80211_bss_ies *ies;
145 ies = rcu_dereference(bss->ies);
146 beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
147 beacon_ie_len = ies->len;
148 bss_desc->timestamp = ies->tsf;
152 dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
156 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
157 bss_desc->rssi = bss->signal;
158 /* The caller of this function will free beacon_ie */
159 bss_desc->beacon_buf = beacon_ie;
160 bss_desc->beacon_buf_size = beacon_ie_len;
161 bss_desc->beacon_period = bss->beacon_interval;
162 bss_desc->cap_info_bitmap = bss->capability;
163 bss_desc->bss_band = bss_priv->band;
164 bss_desc->fw_tsf = bss_priv->fw_tsf;
165 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
166 dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
167 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
169 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
171 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
172 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
174 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
176 /* Disable 11ac by default. Enable it only where there
177 * exist VHT_CAP IE in AP beacon
179 bss_desc->disable_11ac = true;
181 return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
184 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
185 struct cfg80211_bss *bss)
187 const u8 *country_ie;
189 struct mwifiex_802_11d_domain_reg *domain_info =
190 &priv->adapter->domain_reg;
193 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
199 country_ie_len = country_ie[1];
200 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
205 domain_info->country_code[0] = country_ie[2];
206 domain_info->country_code[1] = country_ie[3];
207 domain_info->country_code[2] = ' ';
209 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
211 domain_info->no_of_triplet =
212 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
214 memcpy((u8 *)domain_info->triplet,
215 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
219 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
220 HostCmd_ACT_GEN_SET, 0, NULL)) {
221 wiphy_err(priv->adapter->wiphy,
222 "11D: setting domain info in FW\n");
230 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
231 * In both Ad-Hoc and infra mode, an deauthentication is performed
234 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
235 struct cfg80211_ssid *req_ssid)
238 struct mwifiex_adapter *adapter = priv->adapter;
239 struct mwifiex_bssdescriptor *bss_desc = NULL;
241 priv->scan_block = false;
244 mwifiex_process_country_ie(priv, bss);
246 /* Allocate and fill new bss descriptor */
247 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
252 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
257 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
259 ret = mwifiex_deauthenticate(priv, NULL);
266 if (mwifiex_band_to_radio_type((u8) bss_desc->bss_band)
267 == HostCmd_SCAN_RADIO_TYPE_BG)
268 config_bands = BAND_B | BAND_G | BAND_GN |
271 config_bands = BAND_A | BAND_AN | BAND_AAC;
273 if (!((config_bands | adapter->fw_bands) &
275 adapter->config_bands = config_bands;
278 ret = mwifiex_check_network_compatibility(priv, bss_desc);
282 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
285 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
286 if (netif_carrier_ok(priv->netdev))
287 netif_carrier_off(priv->netdev);
289 /* Clear any past association response stored for
290 * application retrieval */
291 priv->assoc_rsp_size = 0;
292 ret = mwifiex_associate(priv, bss_desc);
294 /* If auth type is auto and association fails using open mode,
295 * try to connect using shared mode */
296 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
297 priv->sec_info.is_authtype_auto &&
298 priv->sec_info.wep_enabled) {
299 priv->sec_info.authentication_mode =
300 NL80211_AUTHTYPE_SHARED_KEY;
301 ret = mwifiex_associate(priv, bss_desc);
305 cfg80211_put_bss(priv->adapter->wiphy, bss);
308 /* If the requested SSID matches current SSID, return */
309 if (bss_desc && bss_desc->ssid.ssid_len &&
310 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
311 ssid, &bss_desc->ssid))) {
316 /* Exit Adhoc mode first */
317 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
318 ret = mwifiex_deauthenticate(priv, NULL);
322 priv->adhoc_is_link_sensed = false;
324 ret = mwifiex_check_network_compatibility(priv, bss_desc);
326 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
327 if (netif_carrier_ok(priv->netdev))
328 netif_carrier_off(priv->netdev);
331 dev_dbg(adapter->dev, "info: network found in scan"
332 " list. Joining...\n");
333 ret = mwifiex_adhoc_join(priv, bss_desc);
335 cfg80211_put_bss(priv->adapter->wiphy, bss);
337 dev_dbg(adapter->dev, "info: Network not found in "
338 "the list, creating adhoc with ssid = %s\n",
340 ret = mwifiex_adhoc_start(priv, req_ssid);
345 /* beacon_ie buffer was allocated in function
346 * mwifiex_fill_new_bss_desc(). Free it now.
349 kfree(bss_desc->beacon_buf);
355 * IOCTL request handler to set host sleep configuration.
357 * This function prepares the correct firmware command and
360 static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
361 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
364 struct mwifiex_adapter *adapter = priv->adapter;
372 case HostCmd_ACT_GEN_SET:
373 if (adapter->pps_uapsd_mode) {
374 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
375 " is blocked in UAPSD/PPS mode\n");
379 if (hs_cfg->is_invoke_hostcmd) {
380 if (hs_cfg->conditions == HS_CFG_CANCEL) {
381 if (!adapter->is_hs_configured)
382 /* Already cancelled */
384 /* Save previous condition */
385 prev_cond = le32_to_cpu(adapter->hs_cfg
387 adapter->hs_cfg.conditions =
388 cpu_to_le32(hs_cfg->conditions);
389 } else if (hs_cfg->conditions) {
390 adapter->hs_cfg.conditions =
391 cpu_to_le32(hs_cfg->conditions);
392 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
394 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
395 } else if (adapter->hs_cfg.conditions ==
396 cpu_to_le32(HS_CFG_CANCEL)) {
397 /* Return failure if no parameters for HS
402 if (cmd_type == MWIFIEX_SYNC_CMD)
403 status = mwifiex_send_cmd_sync(priv,
404 HostCmd_CMD_802_11_HS_CFG_ENH,
405 HostCmd_ACT_GEN_SET, 0,
408 status = mwifiex_send_cmd_async(priv,
409 HostCmd_CMD_802_11_HS_CFG_ENH,
410 HostCmd_ACT_GEN_SET, 0,
412 if (hs_cfg->conditions == HS_CFG_CANCEL)
413 /* Restore previous condition */
414 adapter->hs_cfg.conditions =
415 cpu_to_le32(prev_cond);
417 adapter->hs_cfg.conditions =
418 cpu_to_le32(hs_cfg->conditions);
419 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
420 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
423 case HostCmd_ACT_GEN_GET:
424 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
425 hs_cfg->gpio = adapter->hs_cfg.gpio;
426 hs_cfg->gap = adapter->hs_cfg.gap;
437 * Sends IOCTL request to cancel the existing Host Sleep configuration.
439 * This function allocates the IOCTL request buffer, fills it
440 * with requisite parameters and calls the IOCTL handler.
442 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
444 struct mwifiex_ds_hs_cfg hscfg;
446 hscfg.conditions = HS_CFG_CANCEL;
447 hscfg.is_invoke_hostcmd = true;
449 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
452 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
455 * Sends IOCTL request to cancel the existing Host Sleep configuration.
457 * This function allocates the IOCTL request buffer, fills it
458 * with requisite parameters and calls the IOCTL handler.
460 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
462 struct mwifiex_ds_hs_cfg hscfg;
463 struct mwifiex_private *priv;
466 if (disconnect_on_suspend) {
467 for (i = 0; i < adapter->priv_num; i++) {
468 priv = adapter->priv[i];
470 mwifiex_deauthenticate(priv, NULL);
474 if (adapter->hs_activated) {
475 dev_dbg(adapter->dev, "cmd: HS Already activated\n");
479 adapter->hs_activate_wait_q_woken = false;
481 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
482 hscfg.is_invoke_hostcmd = true;
484 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
485 MWIFIEX_BSS_ROLE_STA),
486 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
488 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
492 if (wait_event_interruptible(adapter->hs_activate_wait_q,
493 adapter->hs_activate_wait_q_woken)) {
494 dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
500 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
503 * IOCTL request handler to get BSS information.
505 * This function collates the information from different driver structures
506 * to send to the user.
508 int mwifiex_get_bss_info(struct mwifiex_private *priv,
509 struct mwifiex_bss_info *info)
511 struct mwifiex_adapter *adapter = priv->adapter;
512 struct mwifiex_bssdescriptor *bss_desc;
517 bss_desc = &priv->curr_bss_params.bss_descriptor;
519 info->bss_mode = priv->bss_mode;
521 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
523 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
525 info->bss_chan = bss_desc->channel;
527 memcpy(info->country_code, adapter->country_code,
528 IEEE80211_COUNTRY_STRING_LEN);
530 info->media_connected = priv->media_connected;
532 info->max_power_level = priv->max_tx_power_level;
533 info->min_power_level = priv->min_tx_power_level;
535 info->adhoc_state = priv->adhoc_state;
537 info->bcn_nf_last = priv->bcn_nf_last;
539 if (priv->sec_info.wep_enabled)
540 info->wep_status = true;
542 info->wep_status = false;
544 info->is_hs_configured = adapter->is_hs_configured;
545 info->is_deep_sleep = adapter->is_deep_sleep;
551 * The function disables auto deep sleep mode.
553 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
555 struct mwifiex_ds_auto_ds auto_ds;
557 auto_ds.auto_ds = DEEP_SLEEP_OFF;
559 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
560 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
562 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
565 * Sends IOCTL request to get the data rate.
567 * This function allocates the IOCTL request buffer, fills it
568 * with requisite parameters and calls the IOCTL handler.
570 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
574 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
575 HostCmd_ACT_GEN_GET, 0, NULL);
578 if (priv->is_data_rate_auto)
579 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
582 *rate = priv->data_rate;
589 * IOCTL request handler to set tx power configuration.
591 * This function prepares the correct firmware command and
594 * For non-auto power mode, all the following power groups are set -
595 * - Modulation class HR/DSSS
596 * - Modulation class OFDM
597 * - Modulation class HTBW20
598 * - Modulation class HTBW40
600 int mwifiex_set_tx_power(struct mwifiex_private *priv,
601 struct mwifiex_power_cfg *power_cfg)
604 struct host_cmd_ds_txpwr_cfg *txp_cfg;
605 struct mwifiex_types_power_group *pg_tlv;
606 struct mwifiex_power_group *pg;
610 if (!power_cfg->is_power_auto) {
611 dbm = (u16) power_cfg->power_level;
612 if ((dbm < priv->min_tx_power_level) ||
613 (dbm > priv->max_tx_power_level)) {
614 dev_err(priv->adapter->dev, "txpower value %d dBm"
615 " is out of range (%d dBm-%d dBm)\n",
616 dbm, priv->min_tx_power_level,
617 priv->max_tx_power_level);
621 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
625 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
626 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
627 if (!power_cfg->is_power_auto) {
628 txp_cfg->mode = cpu_to_le32(1);
629 pg_tlv = (struct mwifiex_types_power_group *)
630 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
631 pg_tlv->type = TLV_TYPE_POWER_GROUP;
632 pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
633 pg = (struct mwifiex_power_group *)
634 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
635 + sizeof(struct mwifiex_types_power_group));
636 /* Power group for modulation class HR/DSSS */
637 pg->first_rate_code = 0x00;
638 pg->last_rate_code = 0x03;
639 pg->modulation_class = MOD_CLASS_HR_DSSS;
641 pg->power_min = (s8) dbm;
642 pg->power_max = (s8) dbm;
644 /* Power group for modulation class OFDM */
645 pg->first_rate_code = 0x00;
646 pg->last_rate_code = 0x07;
647 pg->modulation_class = MOD_CLASS_OFDM;
649 pg->power_min = (s8) dbm;
650 pg->power_max = (s8) dbm;
652 /* Power group for modulation class HTBW20 */
653 pg->first_rate_code = 0x00;
654 pg->last_rate_code = 0x20;
655 pg->modulation_class = MOD_CLASS_HT;
657 pg->power_min = (s8) dbm;
658 pg->power_max = (s8) dbm;
659 pg->ht_bandwidth = HT_BW_20;
661 /* Power group for modulation class HTBW40 */
662 pg->first_rate_code = 0x00;
663 pg->last_rate_code = 0x20;
664 pg->modulation_class = MOD_CLASS_HT;
666 pg->power_min = (s8) dbm;
667 pg->power_max = (s8) dbm;
668 pg->ht_bandwidth = HT_BW_40;
670 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
671 HostCmd_ACT_GEN_SET, 0, buf);
678 * IOCTL request handler to get power save mode.
680 * This function prepares the correct firmware command and
683 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
686 struct mwifiex_adapter *adapter = priv->adapter;
690 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
692 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
693 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
694 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
695 sub_cmd, BITMAP_STA_PS, NULL);
696 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
697 ret = mwifiex_send_cmd_async(priv,
698 HostCmd_CMD_802_11_PS_MODE_ENH,
705 * IOCTL request handler to set/reset WPA IE.
707 * The supplied WPA IE is treated as a opaque buffer. Only the first field
708 * is checked to determine WPA version. If buffer length is zero, the existing
711 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
712 u8 *ie_data_ptr, u16 ie_len)
715 if (ie_len > sizeof(priv->wpa_ie)) {
716 dev_err(priv->adapter->dev,
717 "failed to copy WPA IE, too big\n");
720 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
721 priv->wpa_ie_len = (u8) ie_len;
722 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
723 priv->wpa_ie_len, priv->wpa_ie[0]);
725 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
726 priv->sec_info.wpa_enabled = true;
727 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
728 priv->sec_info.wpa2_enabled = true;
730 priv->sec_info.wpa_enabled = false;
731 priv->sec_info.wpa2_enabled = false;
734 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
735 priv->wpa_ie_len = 0;
736 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
737 priv->wpa_ie_len, priv->wpa_ie[0]);
738 priv->sec_info.wpa_enabled = false;
739 priv->sec_info.wpa2_enabled = false;
746 * IOCTL request handler to set/reset WAPI IE.
748 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
749 * is checked to internally enable WAPI. If buffer length is zero, the existing
752 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
753 u8 *ie_data_ptr, u16 ie_len)
756 if (ie_len > sizeof(priv->wapi_ie)) {
757 dev_dbg(priv->adapter->dev,
758 "info: failed to copy WAPI IE, too big\n");
761 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
762 priv->wapi_ie_len = ie_len;
763 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
764 priv->wapi_ie_len, priv->wapi_ie[0]);
766 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
767 priv->sec_info.wapi_enabled = true;
769 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
770 priv->wapi_ie_len = ie_len;
771 dev_dbg(priv->adapter->dev,
772 "info: Reset wapi_ie_len=%d IE=%#x\n",
773 priv->wapi_ie_len, priv->wapi_ie[0]);
774 priv->sec_info.wapi_enabled = false;
780 * IOCTL request handler to set/reset WPS IE.
782 * The supplied WPS IE is treated as a opaque buffer. Only the first field
783 * is checked to internally enable WPS. If buffer length is zero, the existing
786 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
787 u8 *ie_data_ptr, u16 ie_len)
790 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
793 if (ie_len > sizeof(priv->wps_ie)) {
794 dev_dbg(priv->adapter->dev,
795 "info: failed to copy WPS IE, too big\n");
799 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
800 priv->wps_ie_len = ie_len;
801 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
802 priv->wps_ie_len, priv->wps_ie[0]);
805 priv->wps_ie_len = ie_len;
806 dev_dbg(priv->adapter->dev,
807 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
813 * IOCTL request handler to set WAPI key.
815 * This function prepares the correct firmware command and
818 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
819 struct mwifiex_ds_encrypt_key *encrypt_key)
822 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
823 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
828 * IOCTL request handler to set WEP network key.
830 * This function prepares the correct firmware command and
831 * issues it, after validation checks.
833 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
834 struct mwifiex_ds_encrypt_key *encrypt_key)
837 struct mwifiex_wep_key *wep_key;
840 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
841 priv->wep_key_curr_index = 0;
842 wep_key = &priv->wep_key[priv->wep_key_curr_index];
843 index = encrypt_key->key_index;
844 if (encrypt_key->key_disable) {
845 priv->sec_info.wep_enabled = 0;
846 } else if (!encrypt_key->key_len) {
847 /* Copy the required key as the current key */
848 wep_key = &priv->wep_key[index];
849 if (!wep_key->key_length) {
850 dev_err(priv->adapter->dev,
851 "key not set, so cannot enable it\n");
854 priv->wep_key_curr_index = (u16) index;
855 priv->sec_info.wep_enabled = 1;
857 wep_key = &priv->wep_key[index];
858 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
859 /* Copy the key in the driver */
860 memcpy(wep_key->key_material,
861 encrypt_key->key_material,
862 encrypt_key->key_len);
863 wep_key->key_index = index;
864 wep_key->key_length = encrypt_key->key_len;
865 priv->sec_info.wep_enabled = 1;
867 if (wep_key->key_length) {
868 /* Send request to firmware */
869 ret = mwifiex_send_cmd_async(priv,
870 HostCmd_CMD_802_11_KEY_MATERIAL,
871 HostCmd_ACT_GEN_SET, 0, NULL);
875 if (priv->sec_info.wep_enabled)
876 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
878 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
880 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
881 HostCmd_ACT_GEN_SET, 0,
882 &priv->curr_pkt_filter);
888 * IOCTL request handler to set WPA key.
890 * This function prepares the correct firmware command and
891 * issues it, after validation checks.
893 * Current driver only supports key length of up to 32 bytes.
895 * This function can also be used to disable a currently set key.
897 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
898 struct mwifiex_ds_encrypt_key *encrypt_key)
901 u8 remove_key = false;
902 struct host_cmd_ds_802_11_key_material *ibss_key;
904 /* Current driver only supports key length of up to 32 bytes */
905 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
906 dev_err(priv->adapter->dev, "key length too long\n");
910 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
912 * IBSS/WPA-None uses only one key (Group) for both receiving
913 * and sending unicast and multicast packets.
915 /* Send the key as PTK to firmware */
916 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
917 ret = mwifiex_send_cmd_async(priv,
918 HostCmd_CMD_802_11_KEY_MATERIAL,
920 KEY_INFO_ENABLED, encrypt_key);
924 ibss_key = &priv->aes_key;
926 sizeof(struct host_cmd_ds_802_11_key_material));
927 /* Copy the key in the driver */
928 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
929 encrypt_key->key_len);
930 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
931 sizeof(ibss_key->key_param_set.key_len));
932 ibss_key->key_param_set.key_type_id
933 = cpu_to_le16(KEY_TYPE_ID_TKIP);
934 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
936 /* Send the key as GTK to firmware */
937 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
940 if (!encrypt_key->key_index)
941 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
944 ret = mwifiex_send_cmd_sync(priv,
945 HostCmd_CMD_802_11_KEY_MATERIAL,
947 !KEY_INFO_ENABLED, encrypt_key);
949 ret = mwifiex_send_cmd_sync(priv,
950 HostCmd_CMD_802_11_KEY_MATERIAL,
952 KEY_INFO_ENABLED, encrypt_key);
958 * IOCTL request handler to set/get network keys.
960 * This is a generic key handling function which supports WEP, WPA
964 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
965 struct mwifiex_ds_encrypt_key *encrypt_key)
969 if (encrypt_key->is_wapi_key)
970 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
971 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
972 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
974 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
979 * This function returns the driver version.
982 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
991 ver.l = adapter->fw_release_number;
992 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
994 snprintf(version, max_len, driver_version, fw_ver);
996 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1002 * Sends IOCTL request to set encoding parameters.
1004 * This function allocates the IOCTL request buffer, fills it
1005 * with requisite parameters and calls the IOCTL handler.
1007 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1008 const u8 *key, int key_len, u8 key_index,
1009 const u8 *mac_addr, int disable)
1011 struct mwifiex_ds_encrypt_key encrypt_key;
1013 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1014 encrypt_key.key_len = key_len;
1016 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1017 encrypt_key.is_igtk_key = true;
1020 encrypt_key.key_index = key_index;
1022 memcpy(encrypt_key.key_material, key, key_len);
1024 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1025 if (kp && kp->seq && kp->seq_len)
1026 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1028 encrypt_key.key_disable = true;
1030 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1033 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1037 * Sends IOCTL request to get extended version.
1039 * This function allocates the IOCTL request buffer, fills it
1040 * with requisite parameters and calls the IOCTL handler.
1043 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1045 struct mwifiex_ver_ext ver_ext;
1047 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1048 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1049 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1056 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1057 struct ieee80211_channel *chan,
1058 unsigned int duration)
1060 struct host_cmd_ds_remain_on_chan roc_cfg;
1063 memset(&roc_cfg, 0, sizeof(roc_cfg));
1064 roc_cfg.action = cpu_to_le16(action);
1065 if (action == HostCmd_ACT_GEN_SET) {
1066 roc_cfg.band_cfg = chan->band;
1067 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1068 roc_cfg.band_cfg |= (sc << 2);
1071 ieee80211_frequency_to_channel(chan->center_freq);
1072 roc_cfg.duration = cpu_to_le32(duration);
1074 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1075 action, 0, &roc_cfg)) {
1076 dev_err(priv->adapter->dev, "failed to remain on channel\n");
1080 return roc_cfg.status;
1084 mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
1086 if (GET_BSS_ROLE(priv) == bss_role) {
1087 dev_dbg(priv->adapter->dev,
1088 "info: already in the desired role.\n");
1092 mwifiex_free_priv(priv);
1093 mwifiex_init_priv(priv);
1095 priv->bss_role = bss_role;
1097 case MWIFIEX_BSS_ROLE_UAP:
1098 priv->bss_mode = NL80211_IFTYPE_AP;
1100 case MWIFIEX_BSS_ROLE_STA:
1101 case MWIFIEX_BSS_ROLE_ANY:
1103 priv->bss_mode = NL80211_IFTYPE_STATION;
1107 mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
1108 HostCmd_ACT_GEN_SET, 0, NULL);
1110 return mwifiex_sta_init_cmd(priv, false);
1114 * Sends IOCTL request to get statistics information.
1116 * This function allocates the IOCTL request buffer, fills it
1117 * with requisite parameters and calls the IOCTL handler.
1120 mwifiex_get_stats_info(struct mwifiex_private *priv,
1121 struct mwifiex_ds_get_stats *log)
1123 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1124 HostCmd_ACT_GEN_GET, 0, log);
1128 * IOCTL request handler to read/write register.
1130 * This function prepares the correct firmware command and
1133 * Access to the following registers are supported -
1140 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1141 struct mwifiex_ds_reg_rw *reg_rw,
1146 switch (le32_to_cpu(reg_rw->type)) {
1147 case MWIFIEX_REG_MAC:
1148 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1150 case MWIFIEX_REG_BBP:
1151 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1153 case MWIFIEX_REG_RF:
1154 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1156 case MWIFIEX_REG_PMIC:
1157 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1159 case MWIFIEX_REG_CAU:
1160 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1166 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1171 * Sends IOCTL request to write to a register.
1173 * This function allocates the IOCTL request buffer, fills it
1174 * with requisite parameters and calls the IOCTL handler.
1177 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1178 u32 reg_offset, u32 reg_value)
1180 struct mwifiex_ds_reg_rw reg_rw;
1182 reg_rw.type = cpu_to_le32(reg_type);
1183 reg_rw.offset = cpu_to_le32(reg_offset);
1184 reg_rw.value = cpu_to_le32(reg_value);
1186 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1190 * Sends IOCTL request to read from a register.
1192 * This function allocates the IOCTL request buffer, fills it
1193 * with requisite parameters and calls the IOCTL handler.
1196 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1197 u32 reg_offset, u32 *value)
1200 struct mwifiex_ds_reg_rw reg_rw;
1202 reg_rw.type = cpu_to_le32(reg_type);
1203 reg_rw.offset = cpu_to_le32(reg_offset);
1204 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1209 *value = le32_to_cpu(reg_rw.value);
1216 * Sends IOCTL request to read from EEPROM.
1218 * This function allocates the IOCTL request buffer, fills it
1219 * with requisite parameters and calls the IOCTL handler.
1222 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1226 struct mwifiex_ds_read_eeprom rd_eeprom;
1228 rd_eeprom.offset = cpu_to_le16((u16) offset);
1229 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1231 /* Send request to firmware */
1232 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1233 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1236 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1241 * This function sets a generic IE. In addition to generic IE, it can
1242 * also handle WPA, WPA2 and WAPI IEs.
1245 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1249 struct ieee_types_vendor_header *pvendor_ie;
1250 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1251 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1253 /* If the passed length is zero, reset the buffer */
1255 priv->gen_ie_buf_len = 0;
1256 priv->wps.session_enable = false;
1259 } else if (!ie_data_ptr) {
1262 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1263 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1264 if (((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1265 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1266 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1268 /* IE is a WPA/WPA2 IE so call set_wpa function */
1269 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1270 priv->wps.session_enable = false;
1273 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1274 /* IE is a WAPI IE so call set_wapi function */
1275 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1280 * Verify that the passed length is not larger than the
1281 * available space remaining in the buffer
1283 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1285 /* Test to see if it is a WPS IE, if so, enable
1288 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1289 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1290 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1291 priv->wps.session_enable = true;
1292 dev_dbg(priv->adapter->dev,
1293 "info: WPS Session Enabled.\n");
1294 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1297 /* Append the passed data to the end of the
1299 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1301 /* Increment the stored buffer length by the
1303 priv->gen_ie_buf_len += ie_len;
1305 /* Passed data does not fit in the remaining
1310 /* Return 0, or -1 for error case */
1315 * IOCTL request handler to set/get generic IE.
1317 * In addition to various generic IEs, this function can also be
1318 * used to set the ARP filter.
1320 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1321 struct mwifiex_ds_misc_gen_ie *gen_ie,
1324 struct mwifiex_adapter *adapter = priv->adapter;
1326 switch (gen_ie->type) {
1327 case MWIFIEX_IE_TYPE_GEN_IE:
1328 if (action == HostCmd_ACT_GEN_GET) {
1329 gen_ie->len = priv->wpa_ie_len;
1330 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1332 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1336 case MWIFIEX_IE_TYPE_ARP_FILTER:
1337 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1338 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1339 adapter->arp_filter_size = 0;
1340 dev_err(adapter->dev, "invalid ARP filter size\n");
1343 memcpy(adapter->arp_filter, gen_ie->ie_data,
1345 adapter->arp_filter_size = gen_ie->len;
1349 dev_err(adapter->dev, "invalid IE type\n");
1356 * Sends IOCTL request to set a generic IE.
1358 * This function allocates the IOCTL request buffer, fills it
1359 * with requisite parameters and calls the IOCTL handler.
1362 mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1364 struct mwifiex_ds_misc_gen_ie gen_ie;
1366 if (ie_len > IEEE_MAX_IE_SIZE)
1369 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1370 gen_ie.len = ie_len;
1371 memcpy(gen_ie.ie_data, ie, ie_len);
1372 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))