2 * Marvell Wireless LAN device driver: CFG80211
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.
23 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
25 .max = 2, .types = BIT(NL80211_IFTYPE_STATION),
28 .max = 1, .types = BIT(NL80211_IFTYPE_AP),
32 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
33 .limits = mwifiex_ap_sta_limits,
34 .num_different_channels = 1,
35 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
36 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
37 .beacon_int_infra_match = true,
40 static const struct ieee80211_regdomain mwifiex_world_regdom_custom = {
45 REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
47 REG_RULE(2467-10, 2472+10, 20, 3, 20,
48 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
50 REG_RULE(2484-10, 2484+10, 20, 3, 20,
51 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
54 REG_RULE(5180-10, 5240+10, 40, 3, 20,
55 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
56 /* Channel 149 - 165 */
57 REG_RULE(5745-10, 5825+10, 40, 3, 20,
58 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
60 REG_RULE(5260-10, 5320+10, 40, 3, 30,
61 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
63 /* Channel 100 - 140 */
64 REG_RULE(5500-10, 5700+10, 40, 3, 30,
65 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
71 * This function maps the nl802.11 channel type into driver channel type.
73 * The mapping is as follows -
74 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
75 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
77 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
78 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
83 case NL80211_CHAN_NO_HT:
84 case NL80211_CHAN_HT20:
85 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
86 case NL80211_CHAN_HT40PLUS:
87 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
88 case NL80211_CHAN_HT40MINUS:
89 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
91 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
96 * This function checks whether WEP is set.
99 mwifiex_is_alg_wep(u32 cipher)
102 case WLAN_CIPHER_SUITE_WEP40:
103 case WLAN_CIPHER_SUITE_WEP104:
113 * This function retrieves the private structure from kernel wiphy structure.
115 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
117 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
121 * CFG802.11 operation handler to delete a network key.
124 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
125 u8 key_index, bool pairwise, const u8 *mac_addr)
127 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
128 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
129 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
131 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
132 wiphy_err(wiphy, "deleting the crypto keys\n");
136 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
141 * This function forms an skb for management frame.
144 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
146 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
148 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
151 pkt_len = len + ETH_ALEN;
153 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
154 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
155 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
157 memcpy(skb_push(skb, sizeof(tx_control)),
158 &tx_control, sizeof(tx_control));
160 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
162 /* Add packet data and address4 */
163 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
164 sizeof(struct ieee80211_hdr_3addr));
165 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
166 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
167 buf + sizeof(struct ieee80211_hdr_3addr),
168 len - sizeof(struct ieee80211_hdr_3addr));
170 skb->priority = LOW_PRIO_TID;
171 do_gettimeofday(&tv);
172 skb->tstamp = timeval_to_ktime(tv);
178 * CFG802.11 operation handler to transmit a management frame.
181 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
182 struct ieee80211_channel *chan, bool offchan,
183 unsigned int wait, const u8 *buf, size_t len,
184 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
188 const struct ieee80211_mgmt *mgmt;
189 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
192 wiphy_err(wiphy, "invalid buffer and length\n");
196 mgmt = (const struct ieee80211_mgmt *)buf;
197 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
198 ieee80211_is_probe_resp(mgmt->frame_control)) {
199 /* Since we support offload probe resp, we need to skip probe
200 * resp in AP or GO mode */
202 "info: skip to send probe resp in AP or GO mode\n");
206 pkt_len = len + ETH_ALEN;
207 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
208 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
209 pkt_len + sizeof(pkt_len));
212 wiphy_err(wiphy, "allocate skb failed for management frame\n");
216 mwifiex_form_mgmt_frame(skb, buf, len);
217 mwifiex_queue_tx_pkt(priv, skb);
219 *cookie = random32() | 1;
220 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
222 wiphy_dbg(wiphy, "info: management frame transmitted\n");
227 * CFG802.11 operation handler to register a mgmt frame.
230 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
231 struct wireless_dev *wdev,
232 u16 frame_type, bool reg)
234 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
237 priv->mgmt_frame_mask |= BIT(frame_type >> 4);
239 priv->mgmt_frame_mask &= ~BIT(frame_type >> 4);
241 mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG,
242 HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask);
244 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
248 * CFG802.11 operation handler to remain on channel.
251 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
252 struct wireless_dev *wdev,
253 struct ieee80211_channel *chan,
254 unsigned int duration, u64 *cookie)
256 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
259 if (!chan || !cookie) {
260 wiphy_err(wiphy, "Invalid parameter for ROC\n");
264 if (priv->roc_cfg.cookie) {
265 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
266 priv->roc_cfg.cookie);
270 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
274 *cookie = random32() | 1;
275 priv->roc_cfg.cookie = *cookie;
276 priv->roc_cfg.chan = *chan;
278 cfg80211_ready_on_channel(wdev, *cookie, chan,
279 duration, GFP_ATOMIC);
281 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
288 * CFG802.11 operation handler to cancel remain on channel.
291 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
292 struct wireless_dev *wdev, u64 cookie)
294 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
297 if (cookie != priv->roc_cfg.cookie)
300 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
301 &priv->roc_cfg.chan, 0);
304 cfg80211_remain_on_channel_expired(wdev, cookie,
308 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
310 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
317 * CFG802.11 operation handler to set Tx power.
320 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
321 struct wireless_dev *wdev,
322 enum nl80211_tx_power_setting type,
325 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
326 struct mwifiex_private *priv;
327 struct mwifiex_power_cfg power_cfg;
328 int dbm = MBM_TO_DBM(mbm);
330 if (type == NL80211_TX_POWER_FIXED) {
331 power_cfg.is_power_auto = 0;
332 power_cfg.power_level = dbm;
334 power_cfg.is_power_auto = 1;
337 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
339 return mwifiex_set_tx_power(priv, &power_cfg);
343 * CFG802.11 operation handler to set Power Save option.
345 * The timeout value, if provided, is currently ignored.
348 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
349 struct net_device *dev,
350 bool enabled, int timeout)
352 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
357 "info: ignore timeout value for IEEE Power Save\n");
361 return mwifiex_drv_set_power(priv, &ps_mode);
365 * CFG802.11 operation handler to set the default network key.
368 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
369 u8 key_index, bool unicast,
372 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
374 /* Return if WEP key not configured */
375 if (!priv->sec_info.wep_enabled)
378 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
379 priv->wep_key_curr_index = key_index;
380 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
382 wiphy_err(wiphy, "set default Tx key index\n");
390 * CFG802.11 operation handler to add a network key.
393 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
394 u8 key_index, bool pairwise, const u8 *mac_addr,
395 struct key_params *params)
397 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
398 struct mwifiex_wep_key *wep_key;
399 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
400 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
402 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
403 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
404 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
405 if (params->key && params->key_len) {
406 wep_key = &priv->wep_key[key_index];
407 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
408 memcpy(wep_key->key_material, params->key,
410 wep_key->key_index = key_index;
411 wep_key->key_length = params->key_len;
412 priv->sec_info.wep_enabled = 1;
417 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
418 key_index, peer_mac, 0)) {
419 wiphy_err(wiphy, "crypto keys added\n");
427 * This function sends domain information to the firmware.
429 * The following information are passed to the firmware -
431 * - Sub bands (first channel, number of channels, maximum Tx power)
433 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
435 u8 no_of_triplet = 0;
436 struct ieee80211_country_ie_triplet *t;
437 u8 no_of_parsed_chan = 0;
438 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
440 enum ieee80211_band band;
441 struct ieee80211_supported_band *sband;
442 struct ieee80211_channel *ch;
443 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
444 struct mwifiex_private *priv;
445 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
447 /* Set country code */
448 domain_info->country_code[0] = adapter->country_code[0];
449 domain_info->country_code[1] = adapter->country_code[1];
450 domain_info->country_code[2] = ' ';
452 band = mwifiex_band_to_radio_type(adapter->config_bands);
453 if (!wiphy->bands[band]) {
454 wiphy_err(wiphy, "11D: setting domain info in FW\n");
458 sband = wiphy->bands[band];
460 for (i = 0; i < sband->n_channels ; i++) {
461 ch = &sband->channels[i];
462 if (ch->flags & IEEE80211_CHAN_DISABLED)
467 first_chan = (u32) ch->hw_value;
468 next_chan = first_chan;
469 max_pwr = ch->max_power;
470 no_of_parsed_chan = 1;
474 if (ch->hw_value == next_chan + 1 &&
475 ch->max_power == max_pwr) {
479 t = &domain_info->triplet[no_of_triplet];
480 t->chans.first_channel = first_chan;
481 t->chans.num_channels = no_of_parsed_chan;
482 t->chans.max_power = max_pwr;
484 first_chan = (u32) ch->hw_value;
485 next_chan = first_chan;
486 max_pwr = ch->max_power;
487 no_of_parsed_chan = 1;
492 t = &domain_info->triplet[no_of_triplet];
493 t->chans.first_channel = first_chan;
494 t->chans.num_channels = no_of_parsed_chan;
495 t->chans.max_power = max_pwr;
499 domain_info->no_of_triplet = no_of_triplet;
501 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
503 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
504 HostCmd_ACT_GEN_SET, 0, NULL)) {
505 wiphy_err(wiphy, "11D: setting domain info in FW\n");
513 * CFG802.11 regulatory domain callback function.
515 * This function is called when the regulatory domain is changed due to the
516 * following reasons -
518 * - Set by system core
520 * - Set bt Country IE
522 static void mwifiex_reg_notifier(struct wiphy *wiphy,
523 struct regulatory_request *request)
525 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
527 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
528 request->alpha2[0], request->alpha2[1]);
530 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
532 switch (request->initiator) {
533 case NL80211_REGDOM_SET_BY_DRIVER:
534 case NL80211_REGDOM_SET_BY_CORE:
535 case NL80211_REGDOM_SET_BY_USER:
537 /* Todo: apply driver specific changes in channel flags based
538 on the request initiator if necessary. */
539 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
542 mwifiex_send_domain_info_cmd_fw(wiphy);
546 * This function sets the fragmentation threshold.
548 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
549 * and MWIFIEX_FRAG_MAX_VALUE.
552 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
554 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
555 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
556 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
558 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
559 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
564 * This function sets the RTS threshold.
566 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
567 * and MWIFIEX_RTS_MAX_VALUE.
570 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
572 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
573 rts_thr = MWIFIEX_RTS_MAX_VALUE;
575 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
576 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
581 * CFG802.11 operation handler to set wiphy parameters.
583 * This function can be used to set the RTS threshold and the
584 * Fragmentation threshold of the driver.
587 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
589 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
590 struct mwifiex_private *priv;
591 struct mwifiex_uap_bss_param *bss_cfg;
592 int ret, bss_started, i;
594 for (i = 0; i < adapter->priv_num; i++) {
595 priv = adapter->priv[i];
597 switch (priv->bss_role) {
598 case MWIFIEX_BSS_ROLE_UAP:
599 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
604 mwifiex_set_sys_config_invalid_data(bss_cfg);
606 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
607 bss_cfg->rts_threshold = wiphy->rts_threshold;
608 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
609 bss_cfg->frag_threshold = wiphy->frag_threshold;
610 if (changed & WIPHY_PARAM_RETRY_LONG)
611 bss_cfg->retry_limit = wiphy->retry_long;
613 bss_started = priv->bss_started;
615 ret = mwifiex_send_cmd_sync(priv,
616 HostCmd_CMD_UAP_BSS_STOP,
617 HostCmd_ACT_GEN_SET, 0,
620 wiphy_err(wiphy, "Failed to stop the BSS\n");
625 ret = mwifiex_send_cmd_async(priv,
626 HostCmd_CMD_UAP_SYS_CONFIG,
628 UAP_BSS_PARAMS_I, bss_cfg);
633 wiphy_err(wiphy, "Failed to set bss config\n");
640 ret = mwifiex_send_cmd_async(priv,
641 HostCmd_CMD_UAP_BSS_START,
642 HostCmd_ACT_GEN_SET, 0,
645 wiphy_err(wiphy, "Failed to start BSS\n");
650 case MWIFIEX_BSS_ROLE_STA:
651 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
652 ret = mwifiex_set_rts(priv,
653 wiphy->rts_threshold);
657 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
658 ret = mwifiex_set_frag(priv,
659 wiphy->frag_threshold);
671 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
673 u16 mode = P2P_MODE_DISABLE;
675 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
676 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
678 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
679 HostCmd_ACT_GEN_SET, 0, &mode))
686 * This function initializes the functionalities for P2P client.
687 * The P2P client initialization sequence is:
688 * disable -> device -> client
691 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
695 if (mwifiex_cfg80211_deinit_p2p(priv))
698 mode = P2P_MODE_DEVICE;
699 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
700 HostCmd_ACT_GEN_SET, 0, &mode))
703 mode = P2P_MODE_CLIENT;
704 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
705 HostCmd_ACT_GEN_SET, 0, &mode))
712 * This function initializes the functionalities for P2P GO.
713 * The P2P GO initialization sequence is:
714 * disable -> device -> GO
717 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
721 if (mwifiex_cfg80211_deinit_p2p(priv))
724 mode = P2P_MODE_DEVICE;
725 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
726 HostCmd_ACT_GEN_SET, 0, &mode))
730 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
731 HostCmd_ACT_GEN_SET, 0, &mode))
734 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
735 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
741 * CFG802.11 operation handler to change interface type.
744 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
745 struct net_device *dev,
746 enum nl80211_iftype type, u32 *flags,
747 struct vif_params *params)
750 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
752 switch (dev->ieee80211_ptr->iftype) {
753 case NL80211_IFTYPE_ADHOC:
755 case NL80211_IFTYPE_STATION:
757 case NL80211_IFTYPE_UNSPECIFIED:
758 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
759 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
761 case NL80211_IFTYPE_AP:
763 wiphy_err(wiphy, "%s: changing to %d not supported\n",
768 case NL80211_IFTYPE_STATION:
770 case NL80211_IFTYPE_ADHOC:
772 case NL80211_IFTYPE_P2P_CLIENT:
773 if (mwifiex_cfg80211_init_p2p_client(priv))
775 dev->ieee80211_ptr->iftype = type;
777 case NL80211_IFTYPE_P2P_GO:
778 if (mwifiex_cfg80211_init_p2p_go(priv))
780 dev->ieee80211_ptr->iftype = type;
782 case NL80211_IFTYPE_UNSPECIFIED:
783 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
784 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
786 case NL80211_IFTYPE_AP:
788 wiphy_err(wiphy, "%s: changing to %d not supported\n",
793 case NL80211_IFTYPE_AP:
795 case NL80211_IFTYPE_UNSPECIFIED:
796 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
797 case NL80211_IFTYPE_AP: /* This shouldn't happen */
799 case NL80211_IFTYPE_ADHOC:
800 case NL80211_IFTYPE_STATION:
802 wiphy_err(wiphy, "%s: changing to %d not supported\n",
807 case NL80211_IFTYPE_P2P_CLIENT:
808 case NL80211_IFTYPE_P2P_GO:
810 case NL80211_IFTYPE_STATION:
811 if (mwifiex_cfg80211_deinit_p2p(priv))
813 dev->ieee80211_ptr->iftype = type;
820 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
821 dev->name, dev->ieee80211_ptr->iftype);
825 dev->ieee80211_ptr->iftype = type;
826 priv->bss_mode = type;
827 mwifiex_deauthenticate(priv, NULL);
829 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
831 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
832 HostCmd_ACT_GEN_SET, 0, NULL);
838 * This function dumps the station information on a buffer.
840 * The following information are shown -
841 * - Total bytes transmitted
842 * - Total bytes received
843 * - Total packets transmitted
844 * - Total packets received
845 * - Signal quality level
846 * - Transmission rate
849 mwifiex_dump_station_info(struct mwifiex_private *priv,
850 struct station_info *sinfo)
854 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
855 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
856 STATION_INFO_TX_BITRATE |
857 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
859 /* Get signal information from the firmware */
860 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
861 HostCmd_ACT_GEN_GET, 0, NULL)) {
862 dev_err(priv->adapter->dev, "failed to get signal information\n");
866 if (mwifiex_drv_get_data_rate(priv, &rate)) {
867 dev_err(priv->adapter->dev, "getting data rate\n");
871 /* Get DTIM period information from firmware */
872 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
873 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
877 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
878 * MCS index values for us are 0 to 15.
880 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
881 sinfo->txrate.mcs = priv->tx_rate;
882 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
884 if (priv->tx_htinfo & BIT(1))
885 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
887 if (priv->tx_htinfo & BIT(2))
888 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
891 sinfo->signal_avg = priv->bcn_rssi_avg;
892 sinfo->rx_bytes = priv->stats.rx_bytes;
893 sinfo->tx_bytes = priv->stats.tx_bytes;
894 sinfo->rx_packets = priv->stats.rx_packets;
895 sinfo->tx_packets = priv->stats.tx_packets;
896 sinfo->signal = priv->bcn_rssi_avg;
897 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
898 sinfo->txrate.legacy = rate * 5;
900 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
901 sinfo->filled |= STATION_INFO_BSS_PARAM;
902 sinfo->bss_param.flags = 0;
903 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
904 WLAN_CAPABILITY_SHORT_PREAMBLE)
905 sinfo->bss_param.flags |=
906 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
907 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
908 WLAN_CAPABILITY_SHORT_SLOT_TIME)
909 sinfo->bss_param.flags |=
910 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
911 sinfo->bss_param.dtim_period = priv->dtim_period;
912 sinfo->bss_param.beacon_interval =
913 priv->curr_bss_params.bss_descriptor.beacon_period;
920 * CFG802.11 operation handler to get station information.
922 * This function only works in connected mode, and dumps the
923 * requested station information, if available.
926 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
927 u8 *mac, struct station_info *sinfo)
929 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
931 if (!priv->media_connected)
933 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
936 return mwifiex_dump_station_info(priv, sinfo);
940 * CFG802.11 operation handler to dump station information.
943 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
944 int idx, u8 *mac, struct station_info *sinfo)
946 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
948 if (!priv->media_connected || idx)
951 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
953 return mwifiex_dump_station_info(priv, sinfo);
956 /* Supported rates to be advertised to the cfg80211 */
957 static struct ieee80211_rate mwifiex_rates[] = {
958 {.bitrate = 10, .hw_value = 2, },
959 {.bitrate = 20, .hw_value = 4, },
960 {.bitrate = 55, .hw_value = 11, },
961 {.bitrate = 110, .hw_value = 22, },
962 {.bitrate = 60, .hw_value = 12, },
963 {.bitrate = 90, .hw_value = 18, },
964 {.bitrate = 120, .hw_value = 24, },
965 {.bitrate = 180, .hw_value = 36, },
966 {.bitrate = 240, .hw_value = 48, },
967 {.bitrate = 360, .hw_value = 72, },
968 {.bitrate = 480, .hw_value = 96, },
969 {.bitrate = 540, .hw_value = 108, },
972 /* Channel definitions to be advertised to cfg80211 */
973 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
974 {.center_freq = 2412, .hw_value = 1, },
975 {.center_freq = 2417, .hw_value = 2, },
976 {.center_freq = 2422, .hw_value = 3, },
977 {.center_freq = 2427, .hw_value = 4, },
978 {.center_freq = 2432, .hw_value = 5, },
979 {.center_freq = 2437, .hw_value = 6, },
980 {.center_freq = 2442, .hw_value = 7, },
981 {.center_freq = 2447, .hw_value = 8, },
982 {.center_freq = 2452, .hw_value = 9, },
983 {.center_freq = 2457, .hw_value = 10, },
984 {.center_freq = 2462, .hw_value = 11, },
985 {.center_freq = 2467, .hw_value = 12, },
986 {.center_freq = 2472, .hw_value = 13, },
987 {.center_freq = 2484, .hw_value = 14, },
990 static struct ieee80211_supported_band mwifiex_band_2ghz = {
991 .channels = mwifiex_channels_2ghz,
992 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
993 .bitrates = mwifiex_rates,
994 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
997 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
998 {.center_freq = 5040, .hw_value = 8, },
999 {.center_freq = 5060, .hw_value = 12, },
1000 {.center_freq = 5080, .hw_value = 16, },
1001 {.center_freq = 5170, .hw_value = 34, },
1002 {.center_freq = 5190, .hw_value = 38, },
1003 {.center_freq = 5210, .hw_value = 42, },
1004 {.center_freq = 5230, .hw_value = 46, },
1005 {.center_freq = 5180, .hw_value = 36, },
1006 {.center_freq = 5200, .hw_value = 40, },
1007 {.center_freq = 5220, .hw_value = 44, },
1008 {.center_freq = 5240, .hw_value = 48, },
1009 {.center_freq = 5260, .hw_value = 52, },
1010 {.center_freq = 5280, .hw_value = 56, },
1011 {.center_freq = 5300, .hw_value = 60, },
1012 {.center_freq = 5320, .hw_value = 64, },
1013 {.center_freq = 5500, .hw_value = 100, },
1014 {.center_freq = 5520, .hw_value = 104, },
1015 {.center_freq = 5540, .hw_value = 108, },
1016 {.center_freq = 5560, .hw_value = 112, },
1017 {.center_freq = 5580, .hw_value = 116, },
1018 {.center_freq = 5600, .hw_value = 120, },
1019 {.center_freq = 5620, .hw_value = 124, },
1020 {.center_freq = 5640, .hw_value = 128, },
1021 {.center_freq = 5660, .hw_value = 132, },
1022 {.center_freq = 5680, .hw_value = 136, },
1023 {.center_freq = 5700, .hw_value = 140, },
1024 {.center_freq = 5745, .hw_value = 149, },
1025 {.center_freq = 5765, .hw_value = 153, },
1026 {.center_freq = 5785, .hw_value = 157, },
1027 {.center_freq = 5805, .hw_value = 161, },
1028 {.center_freq = 5825, .hw_value = 165, },
1031 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1032 .channels = mwifiex_channels_5ghz,
1033 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1034 .bitrates = mwifiex_rates + 4,
1035 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1039 /* Supported crypto cipher suits to be advertised to cfg80211 */
1040 static const u32 mwifiex_cipher_suites[] = {
1041 WLAN_CIPHER_SUITE_WEP40,
1042 WLAN_CIPHER_SUITE_WEP104,
1043 WLAN_CIPHER_SUITE_TKIP,
1044 WLAN_CIPHER_SUITE_CCMP,
1045 WLAN_CIPHER_SUITE_AES_CMAC,
1048 /* Supported mgmt frame types to be advertised to cfg80211 */
1049 static const struct ieee80211_txrx_stypes
1050 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1051 [NL80211_IFTYPE_STATION] = {
1052 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1053 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1054 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1055 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1057 [NL80211_IFTYPE_AP] = {
1058 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1059 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1060 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1061 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1063 [NL80211_IFTYPE_P2P_CLIENT] = {
1064 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1065 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1066 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1067 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1069 [NL80211_IFTYPE_P2P_GO] = {
1070 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1071 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1072 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1073 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1078 * CFG802.11 operation handler for setting bit rates.
1080 * Function configures data rates to firmware using bitrate mask
1081 * provided by cfg80211.
1083 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1084 struct net_device *dev,
1086 const struct cfg80211_bitrate_mask *mask)
1088 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1089 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1090 enum ieee80211_band band;
1092 if (!priv->media_connected) {
1093 dev_err(priv->adapter->dev,
1094 "Can not set Tx data rate in disconnected state\n");
1098 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1100 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1102 /* Fill HR/DSSS rates. */
1103 if (band == IEEE80211_BAND_2GHZ)
1104 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1106 /* Fill OFDM rates */
1107 if (band == IEEE80211_BAND_2GHZ)
1108 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1110 bitmap_rates[1] = mask->control[band].legacy;
1112 /* Fill MCS rates */
1113 bitmap_rates[2] = mask->control[band].mcs[0];
1114 if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1115 bitmap_rates[2] |= mask->control[band].mcs[1] << 8;
1117 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1118 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
1122 * CFG802.11 operation handler for connection quality monitoring.
1124 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1127 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1128 struct net_device *dev,
1129 s32 rssi_thold, u32 rssi_hyst)
1131 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1132 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1134 priv->cqm_rssi_thold = rssi_thold;
1135 priv->cqm_rssi_hyst = rssi_hyst;
1137 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1138 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1140 /* Subscribe/unsubscribe low and high rssi events */
1141 if (rssi_thold && rssi_hyst) {
1142 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1143 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1144 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1145 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1146 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1147 return mwifiex_send_cmd_sync(priv,
1148 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1151 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1152 return mwifiex_send_cmd_sync(priv,
1153 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1160 /* cfg80211 operation handler for change_beacon.
1161 * Function retrieves and sets modified management IEs to FW.
1163 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1164 struct net_device *dev,
1165 struct cfg80211_beacon_data *data)
1167 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1169 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1170 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1174 if (!priv->bss_started) {
1175 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1179 if (mwifiex_set_mgmt_ies(priv, data)) {
1180 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1188 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1190 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1191 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1192 MWIFIEX_BSS_ROLE_ANY);
1193 struct mwifiex_ds_ant_cfg ant_cfg;
1195 if (!tx_ant || !rx_ant)
1198 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1199 /* Not a MIMO chip. User should provide specific antenna number
1200 * for Tx/Rx path or enable all antennas for diversity
1202 if (tx_ant != rx_ant)
1205 if ((tx_ant & (tx_ant - 1)) &&
1206 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1209 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1210 (priv->adapter->number_of_antenna > 1)) {
1211 tx_ant = RF_ANTENNA_AUTO;
1212 rx_ant = RF_ANTENNA_AUTO;
1216 ant_cfg.tx_ant = tx_ant;
1217 ant_cfg.rx_ant = rx_ant;
1219 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
1220 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
1223 /* cfg80211 operation handler for stop ap.
1224 * Function stops BSS running at uAP interface.
1226 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1228 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1230 if (mwifiex_del_mgmt_ies(priv))
1231 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1233 priv->ap_11n_enabled = 0;
1235 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1236 HostCmd_ACT_GEN_SET, 0, NULL)) {
1237 wiphy_err(wiphy, "Failed to stop the BSS\n");
1244 /* cfg80211 operation handler for start_ap.
1245 * Function sets beacon period, DTIM period, SSID and security into
1246 * AP config structure.
1247 * AP is configured with these settings and BSS is started.
1249 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1250 struct net_device *dev,
1251 struct cfg80211_ap_settings *params)
1253 struct mwifiex_uap_bss_param *bss_cfg;
1254 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1255 u8 config_bands = 0;
1257 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1259 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
1262 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1266 mwifiex_set_sys_config_invalid_data(bss_cfg);
1268 if (params->beacon_interval)
1269 bss_cfg->beacon_period = params->beacon_interval;
1270 if (params->dtim_period)
1271 bss_cfg->dtim_period = params->dtim_period;
1273 if (params->ssid && params->ssid_len) {
1274 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1275 bss_cfg->ssid.ssid_len = params->ssid_len;
1278 switch (params->hidden_ssid) {
1279 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1280 bss_cfg->bcast_ssid_ctl = 1;
1282 case NL80211_HIDDEN_SSID_ZERO_LEN:
1283 bss_cfg->bcast_ssid_ctl = 0;
1285 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1286 /* firmware doesn't support this type of hidden SSID */
1292 bss_cfg->channel = ieee80211_frequency_to_channel(
1293 params->chandef.chan->center_freq);
1295 /* Set appropriate bands */
1296 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1297 bss_cfg->band_cfg = BAND_CONFIG_BG;
1299 if (cfg80211_get_chandef_type(¶ms->chandef) ==
1301 config_bands = BAND_B | BAND_G;
1303 config_bands = BAND_B | BAND_G | BAND_GN;
1305 bss_cfg->band_cfg = BAND_CONFIG_A;
1307 if (cfg80211_get_chandef_type(¶ms->chandef) ==
1309 config_bands = BAND_A;
1311 config_bands = BAND_AN | BAND_A;
1314 if (!((config_bands | priv->adapter->fw_bands) &
1315 ~priv->adapter->fw_bands))
1316 priv->adapter->config_bands = config_bands;
1318 mwifiex_set_uap_rates(bss_cfg, params);
1319 mwifiex_send_domain_info_cmd_fw(wiphy);
1321 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1323 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1327 mwifiex_set_ht_params(priv, bss_cfg, params);
1329 if (params->inactivity_timeout > 0) {
1330 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1331 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1332 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1335 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1336 HostCmd_ACT_GEN_SET, 0, NULL)) {
1337 wiphy_err(wiphy, "Failed to stop the BSS\n");
1342 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1343 HostCmd_ACT_GEN_SET,
1344 UAP_BSS_PARAMS_I, bss_cfg)) {
1345 wiphy_err(wiphy, "Failed to set the SSID\n");
1352 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1353 HostCmd_ACT_GEN_SET, 0, NULL)) {
1354 wiphy_err(wiphy, "Failed to start the BSS\n");
1358 if (priv->sec_info.wep_enabled)
1359 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1361 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1363 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1364 HostCmd_ACT_GEN_SET, 0,
1365 &priv->curr_pkt_filter))
1372 * CFG802.11 operation handler for disconnection request.
1374 * This function does not work when there is already a disconnection
1375 * procedure going on.
1378 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1381 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1383 if (mwifiex_deauthenticate(priv, NULL))
1386 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1387 " reason code %d\n", priv->cfg_bssid, reason_code);
1389 memset(priv->cfg_bssid, 0, ETH_ALEN);
1395 * This function informs the CFG802.11 subsystem of a new IBSS.
1397 * The following information are sent to the CFG802.11 subsystem
1398 * to register the new IBSS. If we do not register the new IBSS,
1399 * a kernel panic will result.
1405 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1407 struct ieee80211_channel *chan;
1408 struct mwifiex_bss_info bss_info;
1409 struct cfg80211_bss *bss;
1411 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1412 enum ieee80211_band band;
1414 if (mwifiex_get_bss_info(priv, &bss_info))
1417 ie_buf[0] = WLAN_EID_SSID;
1418 ie_buf[1] = bss_info.ssid.ssid_len;
1420 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1421 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1422 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1424 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1425 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1426 ieee80211_channel_to_frequency(bss_info.bss_chan,
1429 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1430 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1431 0, ie_buf, ie_len, 0, GFP_KERNEL);
1432 cfg80211_put_bss(bss);
1433 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1439 * This function connects with a BSS.
1441 * This function handles both Infra and Ad-Hoc modes. It also performs
1442 * validity checking on the provided parameters, disconnects from the
1443 * current BSS (if any), sets up the association/scan parameters,
1444 * including security settings, and performs specific SSID scan before
1445 * trying to connect.
1447 * For Infra mode, the function returns failure if the specified SSID
1448 * is not found in scan table. However, for Ad-Hoc mode, it can create
1449 * the IBSS if it does not exist. On successful completion in either case,
1450 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1453 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1454 u8 *bssid, int mode, struct ieee80211_channel *channel,
1455 struct cfg80211_connect_params *sme, bool privacy)
1457 struct cfg80211_ssid req_ssid;
1458 int ret, auth_type = 0;
1459 struct cfg80211_bss *bss = NULL;
1460 u8 is_scanning_required = 0, config_bands = 0;
1462 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1464 req_ssid.ssid_len = ssid_len;
1465 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1466 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1470 memcpy(req_ssid.ssid, ssid, ssid_len);
1471 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1472 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1476 /* disconnect before try to associate */
1477 mwifiex_deauthenticate(priv, NULL);
1480 if (mode == NL80211_IFTYPE_STATION) {
1481 if (channel->band == IEEE80211_BAND_2GHZ)
1482 config_bands = BAND_B | BAND_G | BAND_GN;
1484 config_bands = BAND_A | BAND_AN;
1486 if (!((config_bands | priv->adapter->fw_bands) &
1487 ~priv->adapter->fw_bands))
1488 priv->adapter->config_bands = config_bands;
1492 /* As this is new association, clear locally stored
1493 * keys and security related flags */
1494 priv->sec_info.wpa_enabled = false;
1495 priv->sec_info.wpa2_enabled = false;
1496 priv->wep_key_curr_index = 0;
1497 priv->sec_info.encryption_mode = 0;
1498 priv->sec_info.is_authtype_auto = 0;
1499 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1501 if (mode == NL80211_IFTYPE_ADHOC) {
1502 /* "privacy" is set only for ad-hoc mode */
1505 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1506 * the firmware can find a matching network from the
1507 * scan. The cfg80211 does not give us the encryption
1508 * mode at this stage so just setting it to WEP here.
1510 priv->sec_info.encryption_mode =
1511 WLAN_CIPHER_SUITE_WEP104;
1512 priv->sec_info.authentication_mode =
1513 NL80211_AUTHTYPE_OPEN_SYSTEM;
1519 /* Now handle infra mode. "sme" is valid for infra mode only */
1520 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1521 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1522 priv->sec_info.is_authtype_auto = 1;
1524 auth_type = sme->auth_type;
1527 if (sme->crypto.n_ciphers_pairwise) {
1528 priv->sec_info.encryption_mode =
1529 sme->crypto.ciphers_pairwise[0];
1530 priv->sec_info.authentication_mode = auth_type;
1533 if (sme->crypto.cipher_group) {
1534 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1535 priv->sec_info.authentication_mode = auth_type;
1538 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1541 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1542 dev_dbg(priv->adapter->dev,
1543 "info: setting wep encryption"
1544 " with key len %d\n", sme->key_len);
1545 priv->wep_key_curr_index = sme->key_idx;
1546 ret = mwifiex_set_encode(priv, NULL, sme->key,
1547 sme->key_len, sme->key_idx,
1553 * Scan entries are valid for some time (15 sec). So we can save one
1554 * active scan time if we just try cfg80211_get_bss first. If it fails
1555 * then request scan and cfg80211_get_bss() again for final output.
1558 if (is_scanning_required) {
1559 /* Do specific SSID scanning */
1560 if (mwifiex_request_scan(priv, &req_ssid)) {
1561 dev_err(priv->adapter->dev, "scan error\n");
1566 /* Find the BSS we want using available scan results */
1567 if (mode == NL80211_IFTYPE_ADHOC)
1568 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1569 bssid, ssid, ssid_len,
1570 WLAN_CAPABILITY_IBSS,
1571 WLAN_CAPABILITY_IBSS);
1573 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1574 bssid, ssid, ssid_len,
1575 WLAN_CAPABILITY_ESS,
1576 WLAN_CAPABILITY_ESS);
1579 if (is_scanning_required) {
1580 dev_warn(priv->adapter->dev,
1581 "assoc: requested bss not found in scan results\n");
1584 is_scanning_required = 1;
1586 dev_dbg(priv->adapter->dev,
1587 "info: trying to associate to '%s' bssid %pM\n",
1588 (char *) req_ssid.ssid, bss->bssid);
1589 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1594 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1598 if (mode == NL80211_IFTYPE_ADHOC) {
1599 /* Inform the BSS information to kernel, otherwise
1600 * kernel will give a panic after successful assoc */
1601 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1609 * CFG802.11 operation handler for association request.
1611 * This function does not work when the current mode is set to Ad-Hoc, or
1612 * when there is already an association procedure going on. The given BSS
1613 * information is used to associate.
1616 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1617 struct cfg80211_connect_params *sme)
1619 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1622 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1623 wiphy_err(wiphy, "received infra assoc request "
1624 "when station is in ibss mode\n");
1628 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1629 wiphy_err(wiphy, "skip association request for AP interface\n");
1633 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1634 (char *) sme->ssid, sme->bssid);
1636 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1637 priv->bss_mode, sme->channel, sme, 0);
1640 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1641 NULL, 0, WLAN_STATUS_SUCCESS,
1643 dev_dbg(priv->adapter->dev,
1644 "info: associated to bssid %pM successfully\n",
1647 dev_dbg(priv->adapter->dev,
1648 "info: association to bssid %pM failed\n",
1650 memset(priv->cfg_bssid, 0, ETH_ALEN);
1653 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1654 NULL, 0, NULL, 0, ret,
1657 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1659 WLAN_STATUS_UNSPECIFIED_FAILURE,
1667 * This function sets following parameters for ibss network.
1671 * - secondary channel offset
1673 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1674 struct cfg80211_ibss_params *params)
1676 struct wiphy *wiphy = priv->wdev->wiphy;
1677 struct mwifiex_adapter *adapter = priv->adapter;
1679 u8 config_bands = 0;
1681 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1682 if (!params->basic_rates) {
1683 config_bands = BAND_B | BAND_G;
1685 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1687 * Rates below 6 Mbps in the table are CCK
1688 * rates; 802.11b and from 6 they are OFDM;
1691 if (mwifiex_rates[i].bitrate == 60) {
1697 if (params->basic_rates < index) {
1698 config_bands = BAND_B;
1700 config_bands = BAND_G;
1701 if (params->basic_rates % index)
1702 config_bands |= BAND_B;
1706 if (cfg80211_get_chandef_type(¶ms->chandef) !=
1708 config_bands |= BAND_GN;
1710 if (cfg80211_get_chandef_type(¶ms->chandef) !=
1712 config_bands = BAND_A;
1714 config_bands = BAND_AN | BAND_A;
1717 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1718 adapter->config_bands = config_bands;
1719 adapter->adhoc_start_band = config_bands;
1721 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1722 adapter->adhoc_11n_enabled = true;
1724 adapter->adhoc_11n_enabled = false;
1727 adapter->sec_chan_offset =
1728 mwifiex_chan_type_to_sec_chan_offset(
1729 cfg80211_get_chandef_type(¶ms->chandef));
1730 priv->adhoc_channel = ieee80211_frequency_to_channel(
1731 params->chandef.chan->center_freq);
1733 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1734 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1740 * CFG802.11 operation handler to join an IBSS.
1742 * This function does not work in any mode other than Ad-Hoc, or if
1743 * a join operation is already in progress.
1746 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1747 struct cfg80211_ibss_params *params)
1749 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1752 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1753 wiphy_err(wiphy, "request to join ibss received "
1754 "when station is not in ibss mode\n");
1758 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1759 (char *) params->ssid, params->bssid);
1761 mwifiex_set_ibss_params(priv, params);
1763 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1764 params->bssid, priv->bss_mode,
1765 params->chandef.chan, NULL,
1769 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1770 dev_dbg(priv->adapter->dev,
1771 "info: joined/created adhoc network with bssid"
1772 " %pM successfully\n", priv->cfg_bssid);
1774 dev_dbg(priv->adapter->dev,
1775 "info: failed creating/joining adhoc network\n");
1782 * CFG802.11 operation handler to leave an IBSS.
1784 * This function does not work if a leave operation is
1785 * already in progress.
1788 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1790 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1792 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1794 if (mwifiex_deauthenticate(priv, NULL))
1797 memset(priv->cfg_bssid, 0, ETH_ALEN);
1803 * CFG802.11 operation handler for scan request.
1805 * This function issues a scan request to the firmware based upon
1806 * the user specified scan configuration. On successfull completion,
1807 * it also informs the results.
1810 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1811 struct cfg80211_scan_request *request)
1813 struct net_device *dev = request->wdev->netdev;
1814 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1816 struct ieee80211_channel *chan;
1817 struct ieee_types_header *ie;
1819 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1821 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1822 atomic_read(&priv->wmm.tx_pkts_queued) >=
1823 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1824 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1828 if (priv->user_scan_cfg) {
1829 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1833 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1835 if (!priv->user_scan_cfg) {
1836 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1840 priv->scan_request = request;
1842 priv->user_scan_cfg->num_ssids = request->n_ssids;
1843 priv->user_scan_cfg->ssid_list = request->ssids;
1845 if (request->ie && request->ie_len) {
1847 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1848 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1850 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1851 ie = (struct ieee_types_header *)(request->ie + offset);
1852 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1853 offset += sizeof(*ie) + ie->len;
1855 if (offset >= request->ie_len)
1860 for (i = 0; i < request->n_channels; i++) {
1861 chan = request->channels[i];
1862 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1863 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1865 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1866 priv->user_scan_cfg->chan_list[i].scan_type =
1867 MWIFIEX_SCAN_TYPE_PASSIVE;
1869 priv->user_scan_cfg->chan_list[i].scan_type =
1870 MWIFIEX_SCAN_TYPE_ACTIVE;
1872 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1875 ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
1877 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
1878 priv->scan_request = NULL;
1879 kfree(priv->user_scan_cfg);
1880 priv->user_scan_cfg = NULL;
1884 if (request->ie && request->ie_len) {
1885 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1886 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1887 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1888 memset(&priv->vs_ie[i].ie, 0,
1889 MWIFIEX_MAX_VSIE_LEN);
1897 * This function sets up the CFG802.11 specific HT capability fields
1898 * with default values.
1900 * The following default values are set -
1901 * - HT Supported = True
1902 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1903 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1904 * - HT Capabilities supported by firmware
1905 * - MCS information, Rx mask = 0xff
1906 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1909 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1910 struct mwifiex_private *priv)
1913 struct ieee80211_mcs_info mcs_set;
1914 u8 *mcs = (u8 *)&mcs_set;
1915 struct mwifiex_adapter *adapter = priv->adapter;
1917 ht_info->ht_supported = true;
1918 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1919 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1921 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
1923 /* Fill HT capability information */
1924 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1925 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1927 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1929 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1930 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1932 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1934 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1935 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1937 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1939 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1940 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1942 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1944 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1945 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1947 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1949 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
1950 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
1952 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
1954 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
1955 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
1957 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
1959 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
1960 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
1962 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
1964 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1965 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1967 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
1968 /* Set MCS for 1x1 */
1969 memset(mcs, 0xff, rx_mcs_supp);
1970 /* Clear all the other values */
1971 memset(&mcs[rx_mcs_supp], 0,
1972 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
1973 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
1974 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1975 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1976 SETHT_MCS32(mcs_set.rx_mask);
1978 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1980 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1984 * create a new virtual interface with the given name
1986 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1988 enum nl80211_iftype type,
1990 struct vif_params *params)
1992 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1993 struct mwifiex_private *priv;
1994 struct net_device *dev;
1996 struct wireless_dev *wdev;
1999 return ERR_PTR(-EFAULT);
2002 case NL80211_IFTYPE_UNSPECIFIED:
2003 case NL80211_IFTYPE_STATION:
2004 case NL80211_IFTYPE_ADHOC:
2005 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2006 if (priv->bss_mode) {
2008 "cannot create multiple sta/adhoc ifaces\n");
2009 return ERR_PTR(-EINVAL);
2012 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2014 return ERR_PTR(-ENOMEM);
2016 wdev->wiphy = wiphy;
2018 wdev->iftype = NL80211_IFTYPE_STATION;
2020 if (type == NL80211_IFTYPE_UNSPECIFIED)
2021 priv->bss_mode = NL80211_IFTYPE_STATION;
2023 priv->bss_mode = type;
2025 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2026 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2027 priv->bss_priority = 0;
2028 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2032 case NL80211_IFTYPE_AP:
2033 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2035 if (priv->bss_mode) {
2036 wiphy_err(wiphy, "Can't create multiple AP interfaces");
2037 return ERR_PTR(-EINVAL);
2040 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2042 return ERR_PTR(-ENOMEM);
2045 wdev->wiphy = wiphy;
2046 wdev->iftype = NL80211_IFTYPE_AP;
2048 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2049 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2050 priv->bss_priority = 0;
2051 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2052 priv->bss_started = 0;
2054 priv->bss_mode = type;
2057 case NL80211_IFTYPE_P2P_CLIENT:
2058 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2060 if (priv->bss_mode) {
2061 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2062 return ERR_PTR(-EINVAL);
2065 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2067 return ERR_PTR(-ENOMEM);
2070 wdev->wiphy = wiphy;
2072 /* At start-up, wpa_supplicant tries to change the interface
2073 * to NL80211_IFTYPE_STATION if it is not managed mode.
2074 * So, we initialize it to STA mode.
2076 wdev->iftype = NL80211_IFTYPE_STATION;
2077 priv->bss_mode = NL80211_IFTYPE_STATION;
2079 /* Setting bss_type to P2P tells firmware that this interface
2080 * is receiving P2P peers found during find phase and doing
2081 * action frame handshake.
2083 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2085 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2086 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2087 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2088 priv->bss_started = 0;
2093 wiphy_err(wiphy, "type not supported\n");
2094 return ERR_PTR(-EINVAL);
2097 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2098 ether_setup, IEEE80211_NUM_ACS, 1);
2100 wiphy_err(wiphy, "no memory available for netdevice\n");
2101 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2102 return ERR_PTR(-ENOMEM);
2105 mwifiex_init_priv_params(priv, dev);
2108 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2110 if (adapter->config_bands & BAND_A)
2111 mwifiex_setup_ht_caps(
2112 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2114 dev_net_set(dev, wiphy_net(wiphy));
2115 dev->ieee80211_ptr = priv->wdev;
2116 dev->ieee80211_ptr->iftype = priv->bss_mode;
2117 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2118 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
2119 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2121 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2122 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2123 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2125 mdev_priv = netdev_priv(dev);
2126 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2128 SET_NETDEV_DEV(dev, adapter->dev);
2130 /* Register network device */
2131 if (register_netdevice(dev)) {
2132 wiphy_err(wiphy, "cannot register virtual network device\n");
2134 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2135 return ERR_PTR(-EFAULT);
2138 sema_init(&priv->async_sem, 1);
2140 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2142 #ifdef CONFIG_DEBUG_FS
2143 mwifiex_dev_debugfs_init(priv);
2147 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2150 * del_virtual_intf: remove the virtual interface determined by dev
2152 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2154 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2156 #ifdef CONFIG_DEBUG_FS
2157 mwifiex_dev_debugfs_remove(priv);
2160 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2162 if (netif_carrier_ok(priv->netdev))
2163 netif_carrier_off(priv->netdev);
2165 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2166 unregister_netdevice(wdev->netdev);
2168 if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
2169 free_netdev(wdev->netdev);
2171 /* Clear the priv in adapter */
2172 priv->netdev = NULL;
2174 priv->media_connected = false;
2176 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2180 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2182 /* station cfg80211 operations */
2183 static struct cfg80211_ops mwifiex_cfg80211_ops = {
2184 .add_virtual_intf = mwifiex_add_virtual_intf,
2185 .del_virtual_intf = mwifiex_del_virtual_intf,
2186 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2187 .scan = mwifiex_cfg80211_scan,
2188 .connect = mwifiex_cfg80211_connect,
2189 .disconnect = mwifiex_cfg80211_disconnect,
2190 .get_station = mwifiex_cfg80211_get_station,
2191 .dump_station = mwifiex_cfg80211_dump_station,
2192 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
2193 .join_ibss = mwifiex_cfg80211_join_ibss,
2194 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2195 .add_key = mwifiex_cfg80211_add_key,
2196 .del_key = mwifiex_cfg80211_del_key,
2197 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2198 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2199 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2200 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2201 .set_default_key = mwifiex_cfg80211_set_default_key,
2202 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2203 .set_tx_power = mwifiex_cfg80211_set_tx_power,
2204 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2205 .start_ap = mwifiex_cfg80211_start_ap,
2206 .stop_ap = mwifiex_cfg80211_stop_ap,
2207 .change_beacon = mwifiex_cfg80211_change_beacon,
2208 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2209 .set_antenna = mwifiex_cfg80211_set_antenna,
2213 * This function registers the device with CFG802.11 subsystem.
2215 * The function creates the wireless device/wiphy, populates it with
2216 * default parameters and handler function pointers, and finally
2217 * registers the device.
2220 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2224 struct wiphy *wiphy;
2225 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2228 /* create a new wiphy for use with cfg80211 */
2229 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2230 sizeof(struct mwifiex_adapter *));
2232 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2235 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2236 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2237 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2238 wiphy->max_remain_on_channel_duration = 5000;
2239 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2240 BIT(NL80211_IFTYPE_ADHOC) |
2241 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2242 BIT(NL80211_IFTYPE_P2P_GO) |
2243 BIT(NL80211_IFTYPE_AP);
2245 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2246 if (adapter->config_bands & BAND_A)
2247 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2249 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
2251 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2252 wiphy->n_iface_combinations = 1;
2254 /* Initialize cipher suits */
2255 wiphy->cipher_suites = mwifiex_cipher_suites;
2256 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2258 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2259 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2260 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2261 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2262 WIPHY_FLAG_CUSTOM_REGULATORY |
2263 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2265 wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2267 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2268 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2269 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2271 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2272 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2274 wiphy->features |= NL80211_FEATURE_HT_IBSS |
2275 NL80211_FEATURE_INACTIVITY_TIMER |
2276 NL80211_FEATURE_LOW_PRIORITY_SCAN;
2278 /* Reserve space for mwifiex specific private data for BSS */
2279 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2281 wiphy->reg_notifier = mwifiex_reg_notifier;
2283 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2284 wdev_priv = wiphy_priv(wiphy);
2285 *(unsigned long *)wdev_priv = (unsigned long)adapter;
2287 set_wiphy_dev(wiphy, priv->adapter->dev);
2289 ret = wiphy_register(wiphy);
2291 dev_err(adapter->dev,
2292 "%s: wiphy_register failed: %d\n", __func__, ret);
2296 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
2298 dev_info(adapter->dev,
2299 "ignoring F/W country code %2.2s\n", country_code);
2301 adapter->wiphy = wiphy;