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 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
182 bss_desc->sensed_11h = true;
184 return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
187 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
188 struct cfg80211_bss *bss)
190 const u8 *country_ie;
192 struct mwifiex_802_11d_domain_reg *domain_info =
193 &priv->adapter->domain_reg;
196 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
202 country_ie_len = country_ie[1];
203 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
208 domain_info->country_code[0] = country_ie[2];
209 domain_info->country_code[1] = country_ie[3];
210 domain_info->country_code[2] = ' ';
212 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
214 domain_info->no_of_triplet =
215 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
217 memcpy((u8 *)domain_info->triplet,
218 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
222 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
223 HostCmd_ACT_GEN_SET, 0, NULL)) {
224 wiphy_err(priv->adapter->wiphy,
225 "11D: setting domain info in FW\n");
233 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
234 * In both Ad-Hoc and infra mode, an deauthentication is performed
237 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
238 struct cfg80211_ssid *req_ssid)
241 struct mwifiex_adapter *adapter = priv->adapter;
242 struct mwifiex_bssdescriptor *bss_desc = NULL;
244 priv->scan_block = false;
247 mwifiex_process_country_ie(priv, bss);
249 /* Allocate and fill new bss descriptor */
250 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
255 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
260 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
261 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
264 ret = mwifiex_deauthenticate(priv, NULL);
271 if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
272 HostCmd_SCAN_RADIO_TYPE_BG)
273 config_bands = BAND_B | BAND_G | BAND_GN | BAND_GAC;
275 config_bands = BAND_A | BAND_AN | BAND_AAC;
277 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
278 adapter->config_bands = config_bands;
280 ret = mwifiex_check_network_compatibility(priv, bss_desc);
284 if (mwifiex_11h_get_csa_closed_channel(priv) ==
285 (u8)bss_desc->channel) {
286 dev_err(adapter->dev,
287 "Attempt to reconnect on csa closed chan(%d)\n",
292 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
295 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
296 if (netif_carrier_ok(priv->netdev))
297 netif_carrier_off(priv->netdev);
299 /* Clear any past association response stored for
300 * application retrieval */
301 priv->assoc_rsp_size = 0;
302 ret = mwifiex_associate(priv, bss_desc);
304 /* If auth type is auto and association fails using open mode,
305 * try to connect using shared mode */
306 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
307 priv->sec_info.is_authtype_auto &&
308 priv->sec_info.wep_enabled) {
309 priv->sec_info.authentication_mode =
310 NL80211_AUTHTYPE_SHARED_KEY;
311 ret = mwifiex_associate(priv, bss_desc);
315 cfg80211_put_bss(priv->adapter->wiphy, bss);
318 /* If the requested SSID matches current SSID, return */
319 if (bss_desc && bss_desc->ssid.ssid_len &&
320 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
321 ssid, &bss_desc->ssid))) {
326 /* Exit Adhoc mode first */
327 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
328 ret = mwifiex_deauthenticate(priv, NULL);
332 priv->adhoc_is_link_sensed = false;
334 ret = mwifiex_check_network_compatibility(priv, bss_desc);
336 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
337 if (netif_carrier_ok(priv->netdev))
338 netif_carrier_off(priv->netdev);
341 dev_dbg(adapter->dev, "info: network found in scan"
342 " list. Joining...\n");
343 ret = mwifiex_adhoc_join(priv, bss_desc);
345 cfg80211_put_bss(priv->adapter->wiphy, bss);
347 dev_dbg(adapter->dev, "info: Network not found in "
348 "the list, creating adhoc with ssid = %s\n",
350 ret = mwifiex_adhoc_start(priv, req_ssid);
355 /* beacon_ie buffer was allocated in function
356 * mwifiex_fill_new_bss_desc(). Free it now.
359 kfree(bss_desc->beacon_buf);
365 * IOCTL request handler to set host sleep configuration.
367 * This function prepares the correct firmware command and
370 static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
371 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
374 struct mwifiex_adapter *adapter = priv->adapter;
382 case HostCmd_ACT_GEN_SET:
383 if (adapter->pps_uapsd_mode) {
384 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
385 " is blocked in UAPSD/PPS mode\n");
389 if (hs_cfg->is_invoke_hostcmd) {
390 if (hs_cfg->conditions == HS_CFG_CANCEL) {
391 if (!adapter->is_hs_configured)
392 /* Already cancelled */
394 /* Save previous condition */
395 prev_cond = le32_to_cpu(adapter->hs_cfg
397 adapter->hs_cfg.conditions =
398 cpu_to_le32(hs_cfg->conditions);
399 } else if (hs_cfg->conditions) {
400 adapter->hs_cfg.conditions =
401 cpu_to_le32(hs_cfg->conditions);
402 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
404 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
405 } else if (adapter->hs_cfg.conditions ==
406 cpu_to_le32(HS_CFG_CANCEL)) {
407 /* Return failure if no parameters for HS
412 if (cmd_type == MWIFIEX_SYNC_CMD)
413 status = mwifiex_send_cmd_sync(priv,
414 HostCmd_CMD_802_11_HS_CFG_ENH,
415 HostCmd_ACT_GEN_SET, 0,
418 status = mwifiex_send_cmd_async(priv,
419 HostCmd_CMD_802_11_HS_CFG_ENH,
420 HostCmd_ACT_GEN_SET, 0,
422 if (hs_cfg->conditions == HS_CFG_CANCEL)
423 /* Restore previous condition */
424 adapter->hs_cfg.conditions =
425 cpu_to_le32(prev_cond);
427 adapter->hs_cfg.conditions =
428 cpu_to_le32(hs_cfg->conditions);
429 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
430 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
433 case HostCmd_ACT_GEN_GET:
434 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
435 hs_cfg->gpio = adapter->hs_cfg.gpio;
436 hs_cfg->gap = adapter->hs_cfg.gap;
447 * Sends IOCTL request to cancel the existing Host Sleep configuration.
449 * This function allocates the IOCTL request buffer, fills it
450 * with requisite parameters and calls the IOCTL handler.
452 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
454 struct mwifiex_ds_hs_cfg hscfg;
456 hscfg.conditions = HS_CFG_CANCEL;
457 hscfg.is_invoke_hostcmd = true;
459 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
462 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
465 * Sends IOCTL request to cancel the existing Host Sleep configuration.
467 * This function allocates the IOCTL request buffer, fills it
468 * with requisite parameters and calls the IOCTL handler.
470 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
472 struct mwifiex_ds_hs_cfg hscfg;
473 struct mwifiex_private *priv;
476 if (disconnect_on_suspend) {
477 for (i = 0; i < adapter->priv_num; i++) {
478 priv = adapter->priv[i];
480 mwifiex_deauthenticate(priv, NULL);
484 if (adapter->hs_activated) {
485 dev_dbg(adapter->dev, "cmd: HS Already activated\n");
489 adapter->hs_activate_wait_q_woken = false;
491 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
492 hscfg.is_invoke_hostcmd = true;
494 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
495 MWIFIEX_BSS_ROLE_STA),
496 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
498 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
502 if (wait_event_interruptible(adapter->hs_activate_wait_q,
503 adapter->hs_activate_wait_q_woken)) {
504 dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
510 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
513 * IOCTL request handler to get BSS information.
515 * This function collates the information from different driver structures
516 * to send to the user.
518 int mwifiex_get_bss_info(struct mwifiex_private *priv,
519 struct mwifiex_bss_info *info)
521 struct mwifiex_adapter *adapter = priv->adapter;
522 struct mwifiex_bssdescriptor *bss_desc;
527 bss_desc = &priv->curr_bss_params.bss_descriptor;
529 info->bss_mode = priv->bss_mode;
531 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
533 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
535 info->bss_chan = bss_desc->channel;
537 memcpy(info->country_code, adapter->country_code,
538 IEEE80211_COUNTRY_STRING_LEN);
540 info->media_connected = priv->media_connected;
542 info->max_power_level = priv->max_tx_power_level;
543 info->min_power_level = priv->min_tx_power_level;
545 info->adhoc_state = priv->adhoc_state;
547 info->bcn_nf_last = priv->bcn_nf_last;
549 if (priv->sec_info.wep_enabled)
550 info->wep_status = true;
552 info->wep_status = false;
554 info->is_hs_configured = adapter->is_hs_configured;
555 info->is_deep_sleep = adapter->is_deep_sleep;
561 * The function disables auto deep sleep mode.
563 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
565 struct mwifiex_ds_auto_ds auto_ds;
567 auto_ds.auto_ds = DEEP_SLEEP_OFF;
569 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
570 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
572 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
575 * Sends IOCTL request to get the data rate.
577 * This function allocates the IOCTL request buffer, fills it
578 * with requisite parameters and calls the IOCTL handler.
580 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
584 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
585 HostCmd_ACT_GEN_GET, 0, NULL);
588 if (priv->is_data_rate_auto)
589 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
592 *rate = priv->data_rate;
599 * IOCTL request handler to set tx power configuration.
601 * This function prepares the correct firmware command and
604 * For non-auto power mode, all the following power groups are set -
605 * - Modulation class HR/DSSS
606 * - Modulation class OFDM
607 * - Modulation class HTBW20
608 * - Modulation class HTBW40
610 int mwifiex_set_tx_power(struct mwifiex_private *priv,
611 struct mwifiex_power_cfg *power_cfg)
614 struct host_cmd_ds_txpwr_cfg *txp_cfg;
615 struct mwifiex_types_power_group *pg_tlv;
616 struct mwifiex_power_group *pg;
620 if (!power_cfg->is_power_auto) {
621 dbm = (u16) power_cfg->power_level;
622 if ((dbm < priv->min_tx_power_level) ||
623 (dbm > priv->max_tx_power_level)) {
624 dev_err(priv->adapter->dev, "txpower value %d dBm"
625 " is out of range (%d dBm-%d dBm)\n",
626 dbm, priv->min_tx_power_level,
627 priv->max_tx_power_level);
631 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
635 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
636 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
637 if (!power_cfg->is_power_auto) {
638 txp_cfg->mode = cpu_to_le32(1);
639 pg_tlv = (struct mwifiex_types_power_group *)
640 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
641 pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
643 cpu_to_le16(4 * sizeof(struct mwifiex_power_group));
644 pg = (struct mwifiex_power_group *)
645 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
646 + sizeof(struct mwifiex_types_power_group));
647 /* Power group for modulation class HR/DSSS */
648 pg->first_rate_code = 0x00;
649 pg->last_rate_code = 0x03;
650 pg->modulation_class = MOD_CLASS_HR_DSSS;
652 pg->power_min = (s8) dbm;
653 pg->power_max = (s8) dbm;
655 /* Power group for modulation class OFDM */
656 pg->first_rate_code = 0x00;
657 pg->last_rate_code = 0x07;
658 pg->modulation_class = MOD_CLASS_OFDM;
660 pg->power_min = (s8) dbm;
661 pg->power_max = (s8) dbm;
663 /* Power group for modulation class HTBW20 */
664 pg->first_rate_code = 0x00;
665 pg->last_rate_code = 0x20;
666 pg->modulation_class = MOD_CLASS_HT;
668 pg->power_min = (s8) dbm;
669 pg->power_max = (s8) dbm;
670 pg->ht_bandwidth = HT_BW_20;
672 /* Power group for modulation class HTBW40 */
673 pg->first_rate_code = 0x00;
674 pg->last_rate_code = 0x20;
675 pg->modulation_class = MOD_CLASS_HT;
677 pg->power_min = (s8) dbm;
678 pg->power_max = (s8) dbm;
679 pg->ht_bandwidth = HT_BW_40;
681 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
682 HostCmd_ACT_GEN_SET, 0, buf);
689 * IOCTL request handler to get power save mode.
691 * This function prepares the correct firmware command and
694 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
697 struct mwifiex_adapter *adapter = priv->adapter;
701 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
703 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
704 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
705 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
706 sub_cmd, BITMAP_STA_PS, NULL);
707 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
708 ret = mwifiex_send_cmd_async(priv,
709 HostCmd_CMD_802_11_PS_MODE_ENH,
716 * IOCTL request handler to set/reset WPA IE.
718 * The supplied WPA IE is treated as a opaque buffer. Only the first field
719 * is checked to determine WPA version. If buffer length is zero, the existing
722 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
723 u8 *ie_data_ptr, u16 ie_len)
726 if (ie_len > sizeof(priv->wpa_ie)) {
727 dev_err(priv->adapter->dev,
728 "failed to copy WPA IE, too big\n");
731 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
732 priv->wpa_ie_len = (u8) ie_len;
733 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
734 priv->wpa_ie_len, priv->wpa_ie[0]);
736 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
737 priv->sec_info.wpa_enabled = true;
738 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
739 priv->sec_info.wpa2_enabled = true;
741 priv->sec_info.wpa_enabled = false;
742 priv->sec_info.wpa2_enabled = false;
745 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
746 priv->wpa_ie_len = 0;
747 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
748 priv->wpa_ie_len, priv->wpa_ie[0]);
749 priv->sec_info.wpa_enabled = false;
750 priv->sec_info.wpa2_enabled = false;
757 * IOCTL request handler to set/reset WAPI IE.
759 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
760 * is checked to internally enable WAPI. If buffer length is zero, the existing
763 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
764 u8 *ie_data_ptr, u16 ie_len)
767 if (ie_len > sizeof(priv->wapi_ie)) {
768 dev_dbg(priv->adapter->dev,
769 "info: failed to copy WAPI IE, too big\n");
772 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
773 priv->wapi_ie_len = ie_len;
774 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
775 priv->wapi_ie_len, priv->wapi_ie[0]);
777 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
778 priv->sec_info.wapi_enabled = true;
780 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
781 priv->wapi_ie_len = ie_len;
782 dev_dbg(priv->adapter->dev,
783 "info: Reset wapi_ie_len=%d IE=%#x\n",
784 priv->wapi_ie_len, priv->wapi_ie[0]);
785 priv->sec_info.wapi_enabled = false;
791 * IOCTL request handler to set/reset WPS IE.
793 * The supplied WPS IE is treated as a opaque buffer. Only the first field
794 * is checked to internally enable WPS. If buffer length is zero, the existing
797 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
798 u8 *ie_data_ptr, u16 ie_len)
801 if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
802 dev_dbg(priv->adapter->dev,
803 "info: failed to copy WPS IE, too big\n");
807 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
811 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
812 priv->wps_ie_len = ie_len;
813 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
814 priv->wps_ie_len, priv->wps_ie[0]);
817 priv->wps_ie_len = ie_len;
818 dev_dbg(priv->adapter->dev,
819 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
825 * IOCTL request handler to set WAPI key.
827 * This function prepares the correct firmware command and
830 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
831 struct mwifiex_ds_encrypt_key *encrypt_key)
834 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
835 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
840 * IOCTL request handler to set WEP network key.
842 * This function prepares the correct firmware command and
843 * issues it, after validation checks.
845 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
846 struct mwifiex_ds_encrypt_key *encrypt_key)
849 struct mwifiex_wep_key *wep_key;
852 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
853 priv->wep_key_curr_index = 0;
854 wep_key = &priv->wep_key[priv->wep_key_curr_index];
855 index = encrypt_key->key_index;
856 if (encrypt_key->key_disable) {
857 priv->sec_info.wep_enabled = 0;
858 } else if (!encrypt_key->key_len) {
859 /* Copy the required key as the current key */
860 wep_key = &priv->wep_key[index];
861 if (!wep_key->key_length) {
862 dev_err(priv->adapter->dev,
863 "key not set, so cannot enable it\n");
866 priv->wep_key_curr_index = (u16) index;
867 priv->sec_info.wep_enabled = 1;
869 wep_key = &priv->wep_key[index];
870 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
871 /* Copy the key in the driver */
872 memcpy(wep_key->key_material,
873 encrypt_key->key_material,
874 encrypt_key->key_len);
875 wep_key->key_index = index;
876 wep_key->key_length = encrypt_key->key_len;
877 priv->sec_info.wep_enabled = 1;
879 if (wep_key->key_length) {
880 /* Send request to firmware */
881 ret = mwifiex_send_cmd_async(priv,
882 HostCmd_CMD_802_11_KEY_MATERIAL,
883 HostCmd_ACT_GEN_SET, 0, NULL);
887 if (priv->sec_info.wep_enabled)
888 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
890 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
892 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
893 HostCmd_ACT_GEN_SET, 0,
894 &priv->curr_pkt_filter);
900 * IOCTL request handler to set WPA key.
902 * This function prepares the correct firmware command and
903 * issues it, after validation checks.
905 * Current driver only supports key length of up to 32 bytes.
907 * This function can also be used to disable a currently set key.
909 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
910 struct mwifiex_ds_encrypt_key *encrypt_key)
913 u8 remove_key = false;
914 struct host_cmd_ds_802_11_key_material *ibss_key;
916 /* Current driver only supports key length of up to 32 bytes */
917 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
918 dev_err(priv->adapter->dev, "key length too long\n");
922 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
924 * IBSS/WPA-None uses only one key (Group) for both receiving
925 * and sending unicast and multicast packets.
927 /* Send the key as PTK to firmware */
928 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
929 ret = mwifiex_send_cmd_async(priv,
930 HostCmd_CMD_802_11_KEY_MATERIAL,
932 KEY_INFO_ENABLED, encrypt_key);
936 ibss_key = &priv->aes_key;
938 sizeof(struct host_cmd_ds_802_11_key_material));
939 /* Copy the key in the driver */
940 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
941 encrypt_key->key_len);
942 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
943 sizeof(ibss_key->key_param_set.key_len));
944 ibss_key->key_param_set.key_type_id
945 = cpu_to_le16(KEY_TYPE_ID_TKIP);
946 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
948 /* Send the key as GTK to firmware */
949 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
952 if (!encrypt_key->key_index)
953 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
956 ret = mwifiex_send_cmd_sync(priv,
957 HostCmd_CMD_802_11_KEY_MATERIAL,
959 !KEY_INFO_ENABLED, encrypt_key);
961 ret = mwifiex_send_cmd_sync(priv,
962 HostCmd_CMD_802_11_KEY_MATERIAL,
964 KEY_INFO_ENABLED, encrypt_key);
970 * IOCTL request handler to set/get network keys.
972 * This is a generic key handling function which supports WEP, WPA
976 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
977 struct mwifiex_ds_encrypt_key *encrypt_key)
981 if (encrypt_key->is_wapi_key)
982 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
983 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
984 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
986 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
991 * This function returns the driver version.
994 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1003 ver.l = adapter->fw_release_number;
1004 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1006 snprintf(version, max_len, driver_version, fw_ver);
1008 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1014 * Sends IOCTL request to set encoding parameters.
1016 * This function allocates the IOCTL request buffer, fills it
1017 * with requisite parameters and calls the IOCTL handler.
1019 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1020 const u8 *key, int key_len, u8 key_index,
1021 const u8 *mac_addr, int disable)
1023 struct mwifiex_ds_encrypt_key encrypt_key;
1025 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1026 encrypt_key.key_len = key_len;
1028 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1029 encrypt_key.is_igtk_key = true;
1032 encrypt_key.key_index = key_index;
1034 memcpy(encrypt_key.key_material, key, key_len);
1036 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1037 if (kp && kp->seq && kp->seq_len)
1038 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1040 encrypt_key.key_disable = true;
1042 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1045 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1049 * Sends IOCTL request to get extended version.
1051 * This function allocates the IOCTL request buffer, fills it
1052 * with requisite parameters and calls the IOCTL handler.
1055 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1057 struct mwifiex_ver_ext ver_ext;
1059 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1060 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1061 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1068 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1069 struct ieee80211_channel *chan,
1070 unsigned int duration)
1072 struct host_cmd_ds_remain_on_chan roc_cfg;
1075 memset(&roc_cfg, 0, sizeof(roc_cfg));
1076 roc_cfg.action = cpu_to_le16(action);
1077 if (action == HostCmd_ACT_GEN_SET) {
1078 roc_cfg.band_cfg = chan->band;
1079 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1080 roc_cfg.band_cfg |= (sc << 2);
1083 ieee80211_frequency_to_channel(chan->center_freq);
1084 roc_cfg.duration = cpu_to_le32(duration);
1086 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1087 action, 0, &roc_cfg)) {
1088 dev_err(priv->adapter->dev, "failed to remain on channel\n");
1092 return roc_cfg.status;
1096 mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
1098 if (GET_BSS_ROLE(priv) == bss_role) {
1099 dev_dbg(priv->adapter->dev,
1100 "info: already in the desired role.\n");
1104 mwifiex_free_priv(priv);
1105 mwifiex_init_priv(priv);
1107 priv->bss_role = bss_role;
1109 case MWIFIEX_BSS_ROLE_UAP:
1110 priv->bss_mode = NL80211_IFTYPE_AP;
1112 case MWIFIEX_BSS_ROLE_STA:
1113 case MWIFIEX_BSS_ROLE_ANY:
1115 priv->bss_mode = NL80211_IFTYPE_STATION;
1119 mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
1120 HostCmd_ACT_GEN_SET, 0, NULL);
1122 return mwifiex_sta_init_cmd(priv, false);
1126 * Sends IOCTL request to get statistics information.
1128 * This function allocates the IOCTL request buffer, fills it
1129 * with requisite parameters and calls the IOCTL handler.
1132 mwifiex_get_stats_info(struct mwifiex_private *priv,
1133 struct mwifiex_ds_get_stats *log)
1135 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1136 HostCmd_ACT_GEN_GET, 0, log);
1140 * IOCTL request handler to read/write register.
1142 * This function prepares the correct firmware command and
1145 * Access to the following registers are supported -
1152 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1153 struct mwifiex_ds_reg_rw *reg_rw,
1158 switch (le32_to_cpu(reg_rw->type)) {
1159 case MWIFIEX_REG_MAC:
1160 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1162 case MWIFIEX_REG_BBP:
1163 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1165 case MWIFIEX_REG_RF:
1166 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1168 case MWIFIEX_REG_PMIC:
1169 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1171 case MWIFIEX_REG_CAU:
1172 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1178 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1183 * Sends IOCTL request to write to a register.
1185 * This function allocates the IOCTL request buffer, fills it
1186 * with requisite parameters and calls the IOCTL handler.
1189 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1190 u32 reg_offset, u32 reg_value)
1192 struct mwifiex_ds_reg_rw reg_rw;
1194 reg_rw.type = cpu_to_le32(reg_type);
1195 reg_rw.offset = cpu_to_le32(reg_offset);
1196 reg_rw.value = cpu_to_le32(reg_value);
1198 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1202 * Sends IOCTL request to read from a register.
1204 * This function allocates the IOCTL request buffer, fills it
1205 * with requisite parameters and calls the IOCTL handler.
1208 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1209 u32 reg_offset, u32 *value)
1212 struct mwifiex_ds_reg_rw reg_rw;
1214 reg_rw.type = cpu_to_le32(reg_type);
1215 reg_rw.offset = cpu_to_le32(reg_offset);
1216 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1221 *value = le32_to_cpu(reg_rw.value);
1228 * Sends IOCTL request to read from EEPROM.
1230 * This function allocates the IOCTL request buffer, fills it
1231 * with requisite parameters and calls the IOCTL handler.
1234 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1238 struct mwifiex_ds_read_eeprom rd_eeprom;
1240 rd_eeprom.offset = cpu_to_le16((u16) offset);
1241 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1243 /* Send request to firmware */
1244 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1245 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1248 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1253 * This function sets a generic IE. In addition to generic IE, it can
1254 * also handle WPA, WPA2 and WAPI IEs.
1257 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1261 struct ieee_types_vendor_header *pvendor_ie;
1262 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1263 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1265 /* If the passed length is zero, reset the buffer */
1267 priv->gen_ie_buf_len = 0;
1268 priv->wps.session_enable = false;
1271 } else if (!ie_data_ptr) {
1274 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1275 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1276 if (((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1277 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1278 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1280 /* IE is a WPA/WPA2 IE so call set_wpa function */
1281 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1282 priv->wps.session_enable = false;
1285 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1286 /* IE is a WAPI IE so call set_wapi function */
1287 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1292 * Verify that the passed length is not larger than the
1293 * available space remaining in the buffer
1295 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1297 /* Test to see if it is a WPS IE, if so, enable
1300 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1301 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1302 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1303 priv->wps.session_enable = true;
1304 dev_dbg(priv->adapter->dev,
1305 "info: WPS Session Enabled.\n");
1306 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1309 /* Append the passed data to the end of the
1311 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1313 /* Increment the stored buffer length by the
1315 priv->gen_ie_buf_len += ie_len;
1317 /* Passed data does not fit in the remaining
1322 /* Return 0, or -1 for error case */
1327 * IOCTL request handler to set/get generic IE.
1329 * In addition to various generic IEs, this function can also be
1330 * used to set the ARP filter.
1332 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1333 struct mwifiex_ds_misc_gen_ie *gen_ie,
1336 struct mwifiex_adapter *adapter = priv->adapter;
1338 switch (gen_ie->type) {
1339 case MWIFIEX_IE_TYPE_GEN_IE:
1340 if (action == HostCmd_ACT_GEN_GET) {
1341 gen_ie->len = priv->wpa_ie_len;
1342 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1344 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1348 case MWIFIEX_IE_TYPE_ARP_FILTER:
1349 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1350 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1351 adapter->arp_filter_size = 0;
1352 dev_err(adapter->dev, "invalid ARP filter size\n");
1355 memcpy(adapter->arp_filter, gen_ie->ie_data,
1357 adapter->arp_filter_size = gen_ie->len;
1361 dev_err(adapter->dev, "invalid IE type\n");
1368 * Sends IOCTL request to set a generic IE.
1370 * This function allocates the IOCTL request buffer, fills it
1371 * with requisite parameters and calls the IOCTL handler.
1374 mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1376 struct mwifiex_ds_misc_gen_ie gen_ie;
1378 if (ie_len > IEEE_MAX_IE_SIZE)
1381 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1382 gen_ie.len = ie_len;
1383 memcpy(gen_ie.ie_data, ie, ie_len);
1384 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))