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 enum nl80211_channel_type channel_type,
184 bool channel_type_valid, unsigned int wait,
185 const u8 *buf, size_t len, bool no_cck,
186 bool dont_wait_for_ack, u64 *cookie)
190 const struct ieee80211_mgmt *mgmt;
191 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
194 wiphy_err(wiphy, "invalid buffer and length\n");
198 mgmt = (const struct ieee80211_mgmt *)buf;
199 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
200 ieee80211_is_probe_resp(mgmt->frame_control)) {
201 /* Since we support offload probe resp, we need to skip probe
202 * resp in AP or GO mode */
204 "info: skip to send probe resp in AP or GO mode\n");
208 pkt_len = len + ETH_ALEN;
209 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
210 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
211 pkt_len + sizeof(pkt_len));
214 wiphy_err(wiphy, "allocate skb failed for management frame\n");
218 mwifiex_form_mgmt_frame(skb, buf, len);
219 mwifiex_queue_tx_pkt(priv, skb);
221 *cookie = random32() | 1;
222 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
224 wiphy_dbg(wiphy, "info: management frame transmitted\n");
229 * CFG802.11 operation handler to register a mgmt frame.
232 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
233 struct wireless_dev *wdev,
234 u16 frame_type, bool reg)
236 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
239 priv->mgmt_frame_mask |= BIT(frame_type >> 4);
241 priv->mgmt_frame_mask &= ~BIT(frame_type >> 4);
243 mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG,
244 HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask);
246 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
250 * CFG802.11 operation handler to remain on channel.
253 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
254 struct wireless_dev *wdev,
255 struct ieee80211_channel *chan,
256 enum nl80211_channel_type channel_type,
257 unsigned int duration, u64 *cookie)
259 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
262 if (!chan || !cookie) {
263 wiphy_err(wiphy, "Invalid parameter for ROC\n");
267 if (priv->roc_cfg.cookie) {
268 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
269 priv->roc_cfg.cookie);
273 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
274 &channel_type, duration);
277 *cookie = random32() | 1;
278 priv->roc_cfg.cookie = *cookie;
279 priv->roc_cfg.chan = *chan;
280 priv->roc_cfg.chan_type = channel_type;
282 cfg80211_ready_on_channel(wdev, *cookie, chan, channel_type,
283 duration, GFP_ATOMIC);
285 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
292 * CFG802.11 operation handler to cancel remain on channel.
295 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
296 struct wireless_dev *wdev, u64 cookie)
298 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
301 if (cookie != priv->roc_cfg.cookie)
304 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
306 &priv->roc_cfg.chan_type, 0);
309 cfg80211_remain_on_channel_expired(wdev, cookie,
311 priv->roc_cfg.chan_type,
314 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
316 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
323 * CFG802.11 operation handler to set Tx power.
326 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
327 enum nl80211_tx_power_setting type,
330 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
331 struct mwifiex_private *priv;
332 struct mwifiex_power_cfg power_cfg;
333 int dbm = MBM_TO_DBM(mbm);
335 if (type == NL80211_TX_POWER_FIXED) {
336 power_cfg.is_power_auto = 0;
337 power_cfg.power_level = dbm;
339 power_cfg.is_power_auto = 1;
342 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
344 return mwifiex_set_tx_power(priv, &power_cfg);
348 * CFG802.11 operation handler to set Power Save option.
350 * The timeout value, if provided, is currently ignored.
353 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
354 struct net_device *dev,
355 bool enabled, int timeout)
357 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
362 "info: ignore timeout value for IEEE Power Save\n");
366 return mwifiex_drv_set_power(priv, &ps_mode);
370 * CFG802.11 operation handler to set the default network key.
373 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
374 u8 key_index, bool unicast,
377 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
379 /* Return if WEP key not configured */
380 if (!priv->sec_info.wep_enabled)
383 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
384 priv->wep_key_curr_index = key_index;
385 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
387 wiphy_err(wiphy, "set default Tx key index\n");
395 * CFG802.11 operation handler to add a network key.
398 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
399 u8 key_index, bool pairwise, const u8 *mac_addr,
400 struct key_params *params)
402 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
403 struct mwifiex_wep_key *wep_key;
404 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
405 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
407 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
408 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
409 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
410 if (params->key && params->key_len) {
411 wep_key = &priv->wep_key[key_index];
412 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
413 memcpy(wep_key->key_material, params->key,
415 wep_key->key_index = key_index;
416 wep_key->key_length = params->key_len;
417 priv->sec_info.wep_enabled = 1;
422 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
423 key_index, peer_mac, 0)) {
424 wiphy_err(wiphy, "crypto keys added\n");
432 * This function sends domain information to the firmware.
434 * The following information are passed to the firmware -
436 * - Sub bands (first channel, number of channels, maximum Tx power)
438 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
440 u8 no_of_triplet = 0;
441 struct ieee80211_country_ie_triplet *t;
442 u8 no_of_parsed_chan = 0;
443 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
445 enum ieee80211_band band;
446 struct ieee80211_supported_band *sband;
447 struct ieee80211_channel *ch;
448 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
449 struct mwifiex_private *priv;
450 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
452 /* Set country code */
453 domain_info->country_code[0] = adapter->country_code[0];
454 domain_info->country_code[1] = adapter->country_code[1];
455 domain_info->country_code[2] = ' ';
457 band = mwifiex_band_to_radio_type(adapter->config_bands);
458 if (!wiphy->bands[band]) {
459 wiphy_err(wiphy, "11D: setting domain info in FW\n");
463 sband = wiphy->bands[band];
465 for (i = 0; i < sband->n_channels ; i++) {
466 ch = &sband->channels[i];
467 if (ch->flags & IEEE80211_CHAN_DISABLED)
472 first_chan = (u32) ch->hw_value;
473 next_chan = first_chan;
474 max_pwr = ch->max_reg_power;
475 no_of_parsed_chan = 1;
479 if (ch->hw_value == next_chan + 1 &&
480 ch->max_reg_power == max_pwr) {
484 t = &domain_info->triplet[no_of_triplet];
485 t->chans.first_channel = first_chan;
486 t->chans.num_channels = no_of_parsed_chan;
487 t->chans.max_power = max_pwr;
489 first_chan = (u32) ch->hw_value;
490 next_chan = first_chan;
491 max_pwr = ch->max_reg_power;
492 no_of_parsed_chan = 1;
497 t = &domain_info->triplet[no_of_triplet];
498 t->chans.first_channel = first_chan;
499 t->chans.num_channels = no_of_parsed_chan;
500 t->chans.max_power = max_pwr;
504 domain_info->no_of_triplet = no_of_triplet;
506 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
508 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
509 HostCmd_ACT_GEN_SET, 0, NULL)) {
510 wiphy_err(wiphy, "11D: setting domain info in FW\n");
518 * CFG802.11 regulatory domain callback function.
520 * This function is called when the regulatory domain is changed due to the
521 * following reasons -
523 * - Set by system core
525 * - Set bt Country IE
527 static int mwifiex_reg_notifier(struct wiphy *wiphy,
528 struct regulatory_request *request)
530 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
532 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
533 request->alpha2[0], request->alpha2[1]);
535 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
537 switch (request->initiator) {
538 case NL80211_REGDOM_SET_BY_DRIVER:
539 case NL80211_REGDOM_SET_BY_CORE:
540 case NL80211_REGDOM_SET_BY_USER:
542 /* Todo: apply driver specific changes in channel flags based
543 on the request initiator if necessary. */
544 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
547 mwifiex_send_domain_info_cmd_fw(wiphy);
553 * This function sets the fragmentation threshold.
555 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
556 * and MWIFIEX_FRAG_MAX_VALUE.
559 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
561 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
562 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
563 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
565 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
566 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
571 * This function sets the RTS threshold.
573 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
574 * and MWIFIEX_RTS_MAX_VALUE.
577 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
579 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
580 rts_thr = MWIFIEX_RTS_MAX_VALUE;
582 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
583 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
588 * CFG802.11 operation handler to set wiphy parameters.
590 * This function can be used to set the RTS threshold and the
591 * Fragmentation threshold of the driver.
594 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
596 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
597 struct mwifiex_private *priv;
598 struct mwifiex_uap_bss_param *bss_cfg;
599 int ret, bss_started, i;
601 for (i = 0; i < adapter->priv_num; i++) {
602 priv = adapter->priv[i];
604 switch (priv->bss_role) {
605 case MWIFIEX_BSS_ROLE_UAP:
606 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
611 mwifiex_set_sys_config_invalid_data(bss_cfg);
613 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
614 bss_cfg->rts_threshold = wiphy->rts_threshold;
615 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
616 bss_cfg->frag_threshold = wiphy->frag_threshold;
617 if (changed & WIPHY_PARAM_RETRY_LONG)
618 bss_cfg->retry_limit = wiphy->retry_long;
620 bss_started = priv->bss_started;
622 ret = mwifiex_send_cmd_sync(priv,
623 HostCmd_CMD_UAP_BSS_STOP,
624 HostCmd_ACT_GEN_SET, 0,
627 wiphy_err(wiphy, "Failed to stop the BSS\n");
632 ret = mwifiex_send_cmd_async(priv,
633 HostCmd_CMD_UAP_SYS_CONFIG,
635 UAP_BSS_PARAMS_I, bss_cfg);
640 wiphy_err(wiphy, "Failed to set bss config\n");
647 ret = mwifiex_send_cmd_async(priv,
648 HostCmd_CMD_UAP_BSS_START,
649 HostCmd_ACT_GEN_SET, 0,
652 wiphy_err(wiphy, "Failed to start BSS\n");
657 case MWIFIEX_BSS_ROLE_STA:
658 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
659 ret = mwifiex_set_rts(priv,
660 wiphy->rts_threshold);
664 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
665 ret = mwifiex_set_frag(priv,
666 wiphy->frag_threshold);
678 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
680 u16 mode = P2P_MODE_DISABLE;
682 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
683 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
685 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
686 HostCmd_ACT_GEN_SET, 0, &mode))
693 * This function initializes the functionalities for P2P client.
694 * The P2P client initialization sequence is:
695 * disable -> device -> client
698 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
702 if (mwifiex_cfg80211_deinit_p2p(priv))
705 mode = P2P_MODE_DEVICE;
706 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
707 HostCmd_ACT_GEN_SET, 0, &mode))
710 mode = P2P_MODE_CLIENT;
711 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
712 HostCmd_ACT_GEN_SET, 0, &mode))
719 * This function initializes the functionalities for P2P GO.
720 * The P2P GO initialization sequence is:
721 * disable -> device -> GO
724 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
728 if (mwifiex_cfg80211_deinit_p2p(priv))
731 mode = P2P_MODE_DEVICE;
732 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
733 HostCmd_ACT_GEN_SET, 0, &mode))
737 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
738 HostCmd_ACT_GEN_SET, 0, &mode))
741 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
742 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
748 * CFG802.11 operation handler to change interface type.
751 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
752 struct net_device *dev,
753 enum nl80211_iftype type, u32 *flags,
754 struct vif_params *params)
757 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
759 switch (dev->ieee80211_ptr->iftype) {
760 case NL80211_IFTYPE_ADHOC:
762 case NL80211_IFTYPE_STATION:
764 case NL80211_IFTYPE_UNSPECIFIED:
765 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
766 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
768 case NL80211_IFTYPE_AP:
770 wiphy_err(wiphy, "%s: changing to %d not supported\n",
775 case NL80211_IFTYPE_STATION:
777 case NL80211_IFTYPE_ADHOC:
779 case NL80211_IFTYPE_P2P_CLIENT:
780 if (mwifiex_cfg80211_init_p2p_client(priv))
782 dev->ieee80211_ptr->iftype = type;
784 case NL80211_IFTYPE_P2P_GO:
785 if (mwifiex_cfg80211_init_p2p_go(priv))
787 dev->ieee80211_ptr->iftype = type;
789 case NL80211_IFTYPE_UNSPECIFIED:
790 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
791 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
793 case NL80211_IFTYPE_AP:
795 wiphy_err(wiphy, "%s: changing to %d not supported\n",
800 case NL80211_IFTYPE_AP:
802 case NL80211_IFTYPE_UNSPECIFIED:
803 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
804 case NL80211_IFTYPE_AP: /* This shouldn't happen */
806 case NL80211_IFTYPE_ADHOC:
807 case NL80211_IFTYPE_STATION:
809 wiphy_err(wiphy, "%s: changing to %d not supported\n",
814 case NL80211_IFTYPE_P2P_CLIENT:
815 case NL80211_IFTYPE_P2P_GO:
817 case NL80211_IFTYPE_STATION:
818 if (mwifiex_cfg80211_deinit_p2p(priv))
820 dev->ieee80211_ptr->iftype = type;
827 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
828 dev->name, dev->ieee80211_ptr->iftype);
832 dev->ieee80211_ptr->iftype = type;
833 priv->bss_mode = type;
834 mwifiex_deauthenticate(priv, NULL);
836 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
838 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
839 HostCmd_ACT_GEN_SET, 0, NULL);
845 * This function dumps the station information on a buffer.
847 * The following information are shown -
848 * - Total bytes transmitted
849 * - Total bytes received
850 * - Total packets transmitted
851 * - Total packets received
852 * - Signal quality level
853 * - Transmission rate
856 mwifiex_dump_station_info(struct mwifiex_private *priv,
857 struct station_info *sinfo)
861 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
862 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
863 STATION_INFO_TX_BITRATE |
864 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
866 /* Get signal information from the firmware */
867 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
868 HostCmd_ACT_GEN_GET, 0, NULL)) {
869 dev_err(priv->adapter->dev, "failed to get signal information\n");
873 if (mwifiex_drv_get_data_rate(priv, &rate)) {
874 dev_err(priv->adapter->dev, "getting data rate\n");
878 /* Get DTIM period information from firmware */
879 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
880 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
884 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
885 * MCS index values for us are 0 to 15.
887 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
888 sinfo->txrate.mcs = priv->tx_rate;
889 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
891 if (priv->tx_htinfo & BIT(1))
892 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
894 if (priv->tx_htinfo & BIT(2))
895 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
898 sinfo->signal_avg = priv->bcn_rssi_avg;
899 sinfo->rx_bytes = priv->stats.rx_bytes;
900 sinfo->tx_bytes = priv->stats.tx_bytes;
901 sinfo->rx_packets = priv->stats.rx_packets;
902 sinfo->tx_packets = priv->stats.tx_packets;
903 sinfo->signal = priv->bcn_rssi_avg;
904 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
905 sinfo->txrate.legacy = rate * 5;
907 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
908 sinfo->filled |= STATION_INFO_BSS_PARAM;
909 sinfo->bss_param.flags = 0;
910 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
911 WLAN_CAPABILITY_SHORT_PREAMBLE)
912 sinfo->bss_param.flags |=
913 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
914 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
915 WLAN_CAPABILITY_SHORT_SLOT_TIME)
916 sinfo->bss_param.flags |=
917 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
918 sinfo->bss_param.dtim_period = priv->dtim_period;
919 sinfo->bss_param.beacon_interval =
920 priv->curr_bss_params.bss_descriptor.beacon_period;
927 * CFG802.11 operation handler to get station information.
929 * This function only works in connected mode, and dumps the
930 * requested station information, if available.
933 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
934 u8 *mac, struct station_info *sinfo)
936 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
938 if (!priv->media_connected)
940 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
943 return mwifiex_dump_station_info(priv, sinfo);
947 * CFG802.11 operation handler to dump station information.
950 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
951 int idx, u8 *mac, struct station_info *sinfo)
953 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
955 if (!priv->media_connected || idx)
958 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
960 return mwifiex_dump_station_info(priv, sinfo);
963 /* Supported rates to be advertised to the cfg80211 */
964 static struct ieee80211_rate mwifiex_rates[] = {
965 {.bitrate = 10, .hw_value = 2, },
966 {.bitrate = 20, .hw_value = 4, },
967 {.bitrate = 55, .hw_value = 11, },
968 {.bitrate = 110, .hw_value = 22, },
969 {.bitrate = 60, .hw_value = 12, },
970 {.bitrate = 90, .hw_value = 18, },
971 {.bitrate = 120, .hw_value = 24, },
972 {.bitrate = 180, .hw_value = 36, },
973 {.bitrate = 240, .hw_value = 48, },
974 {.bitrate = 360, .hw_value = 72, },
975 {.bitrate = 480, .hw_value = 96, },
976 {.bitrate = 540, .hw_value = 108, },
979 /* Channel definitions to be advertised to cfg80211 */
980 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
981 {.center_freq = 2412, .hw_value = 1, },
982 {.center_freq = 2417, .hw_value = 2, },
983 {.center_freq = 2422, .hw_value = 3, },
984 {.center_freq = 2427, .hw_value = 4, },
985 {.center_freq = 2432, .hw_value = 5, },
986 {.center_freq = 2437, .hw_value = 6, },
987 {.center_freq = 2442, .hw_value = 7, },
988 {.center_freq = 2447, .hw_value = 8, },
989 {.center_freq = 2452, .hw_value = 9, },
990 {.center_freq = 2457, .hw_value = 10, },
991 {.center_freq = 2462, .hw_value = 11, },
992 {.center_freq = 2467, .hw_value = 12, },
993 {.center_freq = 2472, .hw_value = 13, },
994 {.center_freq = 2484, .hw_value = 14, },
997 static struct ieee80211_supported_band mwifiex_band_2ghz = {
998 .channels = mwifiex_channels_2ghz,
999 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1000 .bitrates = mwifiex_rates,
1001 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1004 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1005 {.center_freq = 5040, .hw_value = 8, },
1006 {.center_freq = 5060, .hw_value = 12, },
1007 {.center_freq = 5080, .hw_value = 16, },
1008 {.center_freq = 5170, .hw_value = 34, },
1009 {.center_freq = 5190, .hw_value = 38, },
1010 {.center_freq = 5210, .hw_value = 42, },
1011 {.center_freq = 5230, .hw_value = 46, },
1012 {.center_freq = 5180, .hw_value = 36, },
1013 {.center_freq = 5200, .hw_value = 40, },
1014 {.center_freq = 5220, .hw_value = 44, },
1015 {.center_freq = 5240, .hw_value = 48, },
1016 {.center_freq = 5260, .hw_value = 52, },
1017 {.center_freq = 5280, .hw_value = 56, },
1018 {.center_freq = 5300, .hw_value = 60, },
1019 {.center_freq = 5320, .hw_value = 64, },
1020 {.center_freq = 5500, .hw_value = 100, },
1021 {.center_freq = 5520, .hw_value = 104, },
1022 {.center_freq = 5540, .hw_value = 108, },
1023 {.center_freq = 5560, .hw_value = 112, },
1024 {.center_freq = 5580, .hw_value = 116, },
1025 {.center_freq = 5600, .hw_value = 120, },
1026 {.center_freq = 5620, .hw_value = 124, },
1027 {.center_freq = 5640, .hw_value = 128, },
1028 {.center_freq = 5660, .hw_value = 132, },
1029 {.center_freq = 5680, .hw_value = 136, },
1030 {.center_freq = 5700, .hw_value = 140, },
1031 {.center_freq = 5745, .hw_value = 149, },
1032 {.center_freq = 5765, .hw_value = 153, },
1033 {.center_freq = 5785, .hw_value = 157, },
1034 {.center_freq = 5805, .hw_value = 161, },
1035 {.center_freq = 5825, .hw_value = 165, },
1038 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1039 .channels = mwifiex_channels_5ghz,
1040 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1041 .bitrates = mwifiex_rates + 4,
1042 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1046 /* Supported crypto cipher suits to be advertised to cfg80211 */
1047 static const u32 mwifiex_cipher_suites[] = {
1048 WLAN_CIPHER_SUITE_WEP40,
1049 WLAN_CIPHER_SUITE_WEP104,
1050 WLAN_CIPHER_SUITE_TKIP,
1051 WLAN_CIPHER_SUITE_CCMP,
1052 WLAN_CIPHER_SUITE_AES_CMAC,
1055 /* Supported mgmt frame types to be advertised to cfg80211 */
1056 static const struct ieee80211_txrx_stypes
1057 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1058 [NL80211_IFTYPE_STATION] = {
1059 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1060 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1061 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1062 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1064 [NL80211_IFTYPE_AP] = {
1065 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1066 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1067 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1068 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1070 [NL80211_IFTYPE_P2P_CLIENT] = {
1071 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1072 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1073 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1074 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1076 [NL80211_IFTYPE_P2P_GO] = {
1077 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1078 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1079 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1080 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1085 * CFG802.11 operation handler for setting bit rates.
1087 * Function configures data rates to firmware using bitrate mask
1088 * provided by cfg80211.
1090 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1091 struct net_device *dev,
1093 const struct cfg80211_bitrate_mask *mask)
1095 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1096 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1097 enum ieee80211_band band;
1099 if (!priv->media_connected) {
1100 dev_err(priv->adapter->dev,
1101 "Can not set Tx data rate in disconnected state\n");
1105 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1107 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1109 /* Fill HR/DSSS rates. */
1110 if (band == IEEE80211_BAND_2GHZ)
1111 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1113 /* Fill OFDM rates */
1114 if (band == IEEE80211_BAND_2GHZ)
1115 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1117 bitmap_rates[1] = mask->control[band].legacy;
1119 /* Fill MCS rates */
1120 bitmap_rates[2] = mask->control[band].mcs[0];
1121 if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1122 bitmap_rates[2] |= mask->control[band].mcs[1] << 8;
1124 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1125 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
1129 * CFG802.11 operation handler for connection quality monitoring.
1131 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1134 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1135 struct net_device *dev,
1136 s32 rssi_thold, u32 rssi_hyst)
1138 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1139 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1141 priv->cqm_rssi_thold = rssi_thold;
1142 priv->cqm_rssi_hyst = rssi_hyst;
1144 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1145 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1147 /* Subscribe/unsubscribe low and high rssi events */
1148 if (rssi_thold && rssi_hyst) {
1149 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1150 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1151 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1152 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1153 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1154 return mwifiex_send_cmd_sync(priv,
1155 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1158 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1159 return mwifiex_send_cmd_sync(priv,
1160 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1167 /* cfg80211 operation handler for change_beacon.
1168 * Function retrieves and sets modified management IEs to FW.
1170 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1171 struct net_device *dev,
1172 struct cfg80211_beacon_data *data)
1174 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1176 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1177 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1181 if (!priv->bss_started) {
1182 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1186 if (mwifiex_set_mgmt_ies(priv, data)) {
1187 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1195 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1197 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1198 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1199 MWIFIEX_BSS_ROLE_ANY);
1200 struct mwifiex_ds_ant_cfg ant_cfg;
1202 if (!tx_ant || !rx_ant)
1205 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1206 /* Not a MIMO chip. User should provide specific antenna number
1207 * for Tx/Rx path or enable all antennas for diversity
1209 if (tx_ant != rx_ant)
1212 if ((tx_ant & (tx_ant - 1)) &&
1213 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1216 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1217 (priv->adapter->number_of_antenna > 1)) {
1218 tx_ant = RF_ANTENNA_AUTO;
1219 rx_ant = RF_ANTENNA_AUTO;
1223 ant_cfg.tx_ant = tx_ant;
1224 ant_cfg.rx_ant = rx_ant;
1226 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
1227 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
1230 /* cfg80211 operation handler for stop ap.
1231 * Function stops BSS running at uAP interface.
1233 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1235 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1237 if (mwifiex_del_mgmt_ies(priv))
1238 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1240 priv->ap_11n_enabled = 0;
1242 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1243 HostCmd_ACT_GEN_SET, 0, NULL)) {
1244 wiphy_err(wiphy, "Failed to stop the BSS\n");
1251 /* cfg80211 operation handler for start_ap.
1252 * Function sets beacon period, DTIM period, SSID and security into
1253 * AP config structure.
1254 * AP is configured with these settings and BSS is started.
1256 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1257 struct net_device *dev,
1258 struct cfg80211_ap_settings *params)
1260 struct mwifiex_uap_bss_param *bss_cfg;
1261 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1262 u8 config_bands = 0;
1264 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1266 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
1269 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1273 mwifiex_set_sys_config_invalid_data(bss_cfg);
1275 if (params->beacon_interval)
1276 bss_cfg->beacon_period = params->beacon_interval;
1277 if (params->dtim_period)
1278 bss_cfg->dtim_period = params->dtim_period;
1280 if (params->ssid && params->ssid_len) {
1281 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1282 bss_cfg->ssid.ssid_len = params->ssid_len;
1285 switch (params->hidden_ssid) {
1286 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1287 bss_cfg->bcast_ssid_ctl = 1;
1289 case NL80211_HIDDEN_SSID_ZERO_LEN:
1290 bss_cfg->bcast_ssid_ctl = 0;
1292 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1293 /* firmware doesn't support this type of hidden SSID */
1300 (u8)ieee80211_frequency_to_channel(params->channel->center_freq);
1302 /* Set appropriate bands */
1303 if (params->channel->band == IEEE80211_BAND_2GHZ) {
1304 bss_cfg->band_cfg = BAND_CONFIG_BG;
1306 if (params->channel_type == NL80211_CHAN_NO_HT)
1307 config_bands = BAND_B | BAND_G;
1309 config_bands = BAND_B | BAND_G | BAND_GN;
1311 bss_cfg->band_cfg = BAND_CONFIG_A;
1313 if (params->channel_type == NL80211_CHAN_NO_HT)
1314 config_bands = BAND_A;
1316 config_bands = BAND_AN | BAND_A;
1319 if (!((config_bands | priv->adapter->fw_bands) &
1320 ~priv->adapter->fw_bands))
1321 priv->adapter->config_bands = config_bands;
1323 mwifiex_set_uap_rates(bss_cfg, params);
1324 mwifiex_send_domain_info_cmd_fw(wiphy);
1326 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1328 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1332 mwifiex_set_ht_params(priv, bss_cfg, params);
1334 if (params->inactivity_timeout > 0) {
1335 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1336 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1337 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1340 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1341 HostCmd_ACT_GEN_SET, 0, NULL)) {
1342 wiphy_err(wiphy, "Failed to stop the BSS\n");
1347 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1348 HostCmd_ACT_GEN_SET,
1349 UAP_BSS_PARAMS_I, bss_cfg)) {
1350 wiphy_err(wiphy, "Failed to set the SSID\n");
1357 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1358 HostCmd_ACT_GEN_SET, 0, NULL)) {
1359 wiphy_err(wiphy, "Failed to start the BSS\n");
1363 if (priv->sec_info.wep_enabled)
1364 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1366 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1368 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1369 HostCmd_ACT_GEN_SET, 0,
1370 &priv->curr_pkt_filter))
1377 * CFG802.11 operation handler for disconnection request.
1379 * This function does not work when there is already a disconnection
1380 * procedure going on.
1383 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1386 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1388 if (mwifiex_deauthenticate(priv, NULL))
1391 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1392 " reason code %d\n", priv->cfg_bssid, reason_code);
1394 memset(priv->cfg_bssid, 0, ETH_ALEN);
1400 * This function informs the CFG802.11 subsystem of a new IBSS.
1402 * The following information are sent to the CFG802.11 subsystem
1403 * to register the new IBSS. If we do not register the new IBSS,
1404 * a kernel panic will result.
1410 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1412 struct ieee80211_channel *chan;
1413 struct mwifiex_bss_info bss_info;
1414 struct cfg80211_bss *bss;
1416 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1417 enum ieee80211_band band;
1419 if (mwifiex_get_bss_info(priv, &bss_info))
1422 ie_buf[0] = WLAN_EID_SSID;
1423 ie_buf[1] = bss_info.ssid.ssid_len;
1425 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1426 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1427 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1429 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1430 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1431 ieee80211_channel_to_frequency(bss_info.bss_chan,
1434 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1435 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1436 0, ie_buf, ie_len, 0, GFP_KERNEL);
1437 cfg80211_put_bss(bss);
1438 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1444 * This function connects with a BSS.
1446 * This function handles both Infra and Ad-Hoc modes. It also performs
1447 * validity checking on the provided parameters, disconnects from the
1448 * current BSS (if any), sets up the association/scan parameters,
1449 * including security settings, and performs specific SSID scan before
1450 * trying to connect.
1452 * For Infra mode, the function returns failure if the specified SSID
1453 * is not found in scan table. However, for Ad-Hoc mode, it can create
1454 * the IBSS if it does not exist. On successful completion in either case,
1455 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1458 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1459 u8 *bssid, int mode, struct ieee80211_channel *channel,
1460 struct cfg80211_connect_params *sme, bool privacy)
1462 struct cfg80211_ssid req_ssid;
1463 int ret, auth_type = 0;
1464 struct cfg80211_bss *bss = NULL;
1465 u8 is_scanning_required = 0, config_bands = 0;
1467 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1469 req_ssid.ssid_len = ssid_len;
1470 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1471 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1475 memcpy(req_ssid.ssid, ssid, ssid_len);
1476 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1477 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1481 /* disconnect before try to associate */
1482 mwifiex_deauthenticate(priv, NULL);
1485 if (mode == NL80211_IFTYPE_STATION) {
1486 if (channel->band == IEEE80211_BAND_2GHZ)
1487 config_bands = BAND_B | BAND_G | BAND_GN;
1489 config_bands = BAND_A | BAND_AN;
1491 if (!((config_bands | priv->adapter->fw_bands) &
1492 ~priv->adapter->fw_bands))
1493 priv->adapter->config_bands = config_bands;
1497 /* As this is new association, clear locally stored
1498 * keys and security related flags */
1499 priv->sec_info.wpa_enabled = false;
1500 priv->sec_info.wpa2_enabled = false;
1501 priv->wep_key_curr_index = 0;
1502 priv->sec_info.encryption_mode = 0;
1503 priv->sec_info.is_authtype_auto = 0;
1504 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1506 if (mode == NL80211_IFTYPE_ADHOC) {
1507 /* "privacy" is set only for ad-hoc mode */
1510 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1511 * the firmware can find a matching network from the
1512 * scan. The cfg80211 does not give us the encryption
1513 * mode at this stage so just setting it to WEP here.
1515 priv->sec_info.encryption_mode =
1516 WLAN_CIPHER_SUITE_WEP104;
1517 priv->sec_info.authentication_mode =
1518 NL80211_AUTHTYPE_OPEN_SYSTEM;
1524 /* Now handle infra mode. "sme" is valid for infra mode only */
1525 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1526 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1527 priv->sec_info.is_authtype_auto = 1;
1529 auth_type = sme->auth_type;
1532 if (sme->crypto.n_ciphers_pairwise) {
1533 priv->sec_info.encryption_mode =
1534 sme->crypto.ciphers_pairwise[0];
1535 priv->sec_info.authentication_mode = auth_type;
1538 if (sme->crypto.cipher_group) {
1539 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1540 priv->sec_info.authentication_mode = auth_type;
1543 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1546 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1547 dev_dbg(priv->adapter->dev,
1548 "info: setting wep encryption"
1549 " with key len %d\n", sme->key_len);
1550 priv->wep_key_curr_index = sme->key_idx;
1551 ret = mwifiex_set_encode(priv, NULL, sme->key,
1552 sme->key_len, sme->key_idx,
1558 * Scan entries are valid for some time (15 sec). So we can save one
1559 * active scan time if we just try cfg80211_get_bss first. If it fails
1560 * then request scan and cfg80211_get_bss() again for final output.
1563 if (is_scanning_required) {
1564 /* Do specific SSID scanning */
1565 if (mwifiex_request_scan(priv, &req_ssid)) {
1566 dev_err(priv->adapter->dev, "scan error\n");
1571 /* Find the BSS we want using available scan results */
1572 if (mode == NL80211_IFTYPE_ADHOC)
1573 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1574 bssid, ssid, ssid_len,
1575 WLAN_CAPABILITY_IBSS,
1576 WLAN_CAPABILITY_IBSS);
1578 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1579 bssid, ssid, ssid_len,
1580 WLAN_CAPABILITY_ESS,
1581 WLAN_CAPABILITY_ESS);
1584 if (is_scanning_required) {
1585 dev_warn(priv->adapter->dev,
1586 "assoc: requested bss not found in scan results\n");
1589 is_scanning_required = 1;
1591 dev_dbg(priv->adapter->dev,
1592 "info: trying to associate to '%s' bssid %pM\n",
1593 (char *) req_ssid.ssid, bss->bssid);
1594 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1599 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1603 if (mode == NL80211_IFTYPE_ADHOC) {
1604 /* Inform the BSS information to kernel, otherwise
1605 * kernel will give a panic after successful assoc */
1606 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1614 * CFG802.11 operation handler for association request.
1616 * This function does not work when the current mode is set to Ad-Hoc, or
1617 * when there is already an association procedure going on. The given BSS
1618 * information is used to associate.
1621 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1622 struct cfg80211_connect_params *sme)
1624 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1627 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1628 wiphy_err(wiphy, "received infra assoc request "
1629 "when station is in ibss mode\n");
1633 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1634 wiphy_err(wiphy, "skip association request for AP interface\n");
1638 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1639 (char *) sme->ssid, sme->bssid);
1641 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1642 priv->bss_mode, sme->channel, sme, 0);
1645 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1646 NULL, 0, WLAN_STATUS_SUCCESS,
1648 dev_dbg(priv->adapter->dev,
1649 "info: associated to bssid %pM successfully\n",
1652 dev_dbg(priv->adapter->dev,
1653 "info: association to bssid %pM failed\n",
1655 memset(priv->cfg_bssid, 0, ETH_ALEN);
1658 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1659 NULL, 0, NULL, 0, ret,
1662 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1664 WLAN_STATUS_UNSPECIFIED_FAILURE,
1672 * This function sets following parameters for ibss network.
1676 * - secondary channel offset
1678 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1679 struct cfg80211_ibss_params *params)
1681 struct wiphy *wiphy = priv->wdev->wiphy;
1682 struct mwifiex_adapter *adapter = priv->adapter;
1684 u8 config_bands = 0;
1686 if (params->channel->band == IEEE80211_BAND_2GHZ) {
1687 if (!params->basic_rates) {
1688 config_bands = BAND_B | BAND_G;
1690 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1692 * Rates below 6 Mbps in the table are CCK
1693 * rates; 802.11b and from 6 they are OFDM;
1696 if (mwifiex_rates[i].bitrate == 60) {
1702 if (params->basic_rates < index) {
1703 config_bands = BAND_B;
1705 config_bands = BAND_G;
1706 if (params->basic_rates % index)
1707 config_bands |= BAND_B;
1711 if (params->channel_type != NL80211_CHAN_NO_HT)
1712 config_bands |= BAND_GN;
1714 if (params->channel_type == NL80211_CHAN_NO_HT)
1715 config_bands = BAND_A;
1717 config_bands = BAND_AN | BAND_A;
1720 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1721 adapter->config_bands = config_bands;
1722 adapter->adhoc_start_band = config_bands;
1724 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1725 adapter->adhoc_11n_enabled = true;
1727 adapter->adhoc_11n_enabled = false;
1730 adapter->sec_chan_offset =
1731 mwifiex_chan_type_to_sec_chan_offset(params->channel_type);
1732 priv->adhoc_channel =
1733 ieee80211_frequency_to_channel(params->channel->center_freq);
1735 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1736 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1742 * CFG802.11 operation handler to join an IBSS.
1744 * This function does not work in any mode other than Ad-Hoc, or if
1745 * a join operation is already in progress.
1748 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1749 struct cfg80211_ibss_params *params)
1751 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1754 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1755 wiphy_err(wiphy, "request to join ibss received "
1756 "when station is not in ibss mode\n");
1760 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1761 (char *) params->ssid, params->bssid);
1763 mwifiex_set_ibss_params(priv, params);
1765 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1766 params->bssid, priv->bss_mode,
1767 params->channel, NULL, params->privacy);
1770 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1771 dev_dbg(priv->adapter->dev,
1772 "info: joined/created adhoc network with bssid"
1773 " %pM successfully\n", priv->cfg_bssid);
1775 dev_dbg(priv->adapter->dev,
1776 "info: failed creating/joining adhoc network\n");
1783 * CFG802.11 operation handler to leave an IBSS.
1785 * This function does not work if a leave operation is
1786 * already in progress.
1789 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1791 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1793 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1795 if (mwifiex_deauthenticate(priv, NULL))
1798 memset(priv->cfg_bssid, 0, ETH_ALEN);
1804 * CFG802.11 operation handler for scan request.
1806 * This function issues a scan request to the firmware based upon
1807 * the user specified scan configuration. On successfull completion,
1808 * it also informs the results.
1811 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1812 struct cfg80211_scan_request *request)
1814 struct net_device *dev = request->wdev->netdev;
1815 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1817 struct ieee80211_channel *chan;
1818 struct ieee_types_header *ie;
1820 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1822 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1823 atomic_read(&priv->wmm.tx_pkts_queued) >=
1824 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1825 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1829 priv->scan_request = request;
1831 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1833 if (!priv->user_scan_cfg) {
1834 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1838 priv->user_scan_cfg->num_ssids = request->n_ssids;
1839 priv->user_scan_cfg->ssid_list = request->ssids;
1841 if (request->ie && request->ie_len) {
1843 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1844 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1846 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1847 ie = (struct ieee_types_header *)(request->ie + offset);
1848 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1849 offset += sizeof(*ie) + ie->len;
1851 if (offset >= request->ie_len)
1856 for (i = 0; i < request->n_channels; i++) {
1857 chan = request->channels[i];
1858 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1859 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1861 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1862 priv->user_scan_cfg->chan_list[i].scan_type =
1863 MWIFIEX_SCAN_TYPE_PASSIVE;
1865 priv->user_scan_cfg->chan_list[i].scan_type =
1866 MWIFIEX_SCAN_TYPE_ACTIVE;
1868 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1871 ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
1873 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
1877 if (request->ie && request->ie_len) {
1878 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1879 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1880 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1881 memset(&priv->vs_ie[i].ie, 0,
1882 MWIFIEX_MAX_VSIE_LEN);
1890 * This function sets up the CFG802.11 specific HT capability fields
1891 * with default values.
1893 * The following default values are set -
1894 * - HT Supported = True
1895 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1896 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1897 * - HT Capabilities supported by firmware
1898 * - MCS information, Rx mask = 0xff
1899 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1902 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1903 struct mwifiex_private *priv)
1906 struct ieee80211_mcs_info mcs_set;
1907 u8 *mcs = (u8 *)&mcs_set;
1908 struct mwifiex_adapter *adapter = priv->adapter;
1910 ht_info->ht_supported = true;
1911 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1912 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1914 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
1916 /* Fill HT capability information */
1917 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1918 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1920 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1922 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1923 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1925 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1927 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1928 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1930 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1932 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1933 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1935 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1937 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1938 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1940 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1942 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1943 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1945 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
1946 /* Set MCS for 1x1 */
1947 memset(mcs, 0xff, rx_mcs_supp);
1948 /* Clear all the other values */
1949 memset(&mcs[rx_mcs_supp], 0,
1950 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
1951 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
1952 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1953 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1954 SETHT_MCS32(mcs_set.rx_mask);
1956 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1958 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1962 * create a new virtual interface with the given name
1964 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1966 enum nl80211_iftype type,
1968 struct vif_params *params)
1970 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1971 struct mwifiex_private *priv;
1972 struct net_device *dev;
1974 struct wireless_dev *wdev;
1977 return ERR_PTR(-EFAULT);
1980 case NL80211_IFTYPE_UNSPECIFIED:
1981 case NL80211_IFTYPE_STATION:
1982 case NL80211_IFTYPE_ADHOC:
1983 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
1984 if (priv->bss_mode) {
1986 "cannot create multiple sta/adhoc ifaces\n");
1987 return ERR_PTR(-EINVAL);
1990 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1992 return ERR_PTR(-ENOMEM);
1994 wdev->wiphy = wiphy;
1996 wdev->iftype = NL80211_IFTYPE_STATION;
1998 if (type == NL80211_IFTYPE_UNSPECIFIED)
1999 priv->bss_mode = NL80211_IFTYPE_STATION;
2001 priv->bss_mode = type;
2003 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2004 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2005 priv->bss_priority = 0;
2006 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2010 case NL80211_IFTYPE_AP:
2011 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2013 if (priv->bss_mode) {
2014 wiphy_err(wiphy, "Can't create multiple AP interfaces");
2015 return ERR_PTR(-EINVAL);
2018 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2020 return ERR_PTR(-ENOMEM);
2023 wdev->wiphy = wiphy;
2024 wdev->iftype = NL80211_IFTYPE_AP;
2026 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2027 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2028 priv->bss_priority = 0;
2029 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2030 priv->bss_started = 0;
2032 priv->bss_mode = type;
2035 case NL80211_IFTYPE_P2P_CLIENT:
2036 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2038 if (priv->bss_mode) {
2039 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2040 return ERR_PTR(-EINVAL);
2043 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2045 return ERR_PTR(-ENOMEM);
2048 wdev->wiphy = wiphy;
2050 /* At start-up, wpa_supplicant tries to change the interface
2051 * to NL80211_IFTYPE_STATION if it is not managed mode.
2052 * So, we initialize it to STA mode.
2054 wdev->iftype = NL80211_IFTYPE_STATION;
2055 priv->bss_mode = NL80211_IFTYPE_STATION;
2057 /* Setting bss_type to P2P tells firmware that this interface
2058 * is receiving P2P peers found during find phase and doing
2059 * action frame handshake.
2061 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2063 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2064 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2065 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2066 priv->bss_started = 0;
2071 wiphy_err(wiphy, "type not supported\n");
2072 return ERR_PTR(-EINVAL);
2075 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
2078 wiphy_err(wiphy, "no memory available for netdevice\n");
2079 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2080 return ERR_PTR(-ENOMEM);
2083 mwifiex_init_priv_params(priv, dev);
2086 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2088 if (adapter->config_bands & BAND_A)
2089 mwifiex_setup_ht_caps(
2090 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2092 dev_net_set(dev, wiphy_net(wiphy));
2093 dev->ieee80211_ptr = priv->wdev;
2094 dev->ieee80211_ptr->iftype = priv->bss_mode;
2095 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2096 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
2097 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2099 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2100 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2101 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2103 mdev_priv = netdev_priv(dev);
2104 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2106 SET_NETDEV_DEV(dev, adapter->dev);
2108 /* Register network device */
2109 if (register_netdevice(dev)) {
2110 wiphy_err(wiphy, "cannot register virtual network device\n");
2112 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2113 return ERR_PTR(-EFAULT);
2116 sema_init(&priv->async_sem, 1);
2117 priv->scan_pending_on_block = false;
2119 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2121 #ifdef CONFIG_DEBUG_FS
2122 mwifiex_dev_debugfs_init(priv);
2126 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2129 * del_virtual_intf: remove the virtual interface determined by dev
2131 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2133 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2135 #ifdef CONFIG_DEBUG_FS
2136 mwifiex_dev_debugfs_remove(priv);
2139 if (!netif_queue_stopped(priv->netdev))
2140 netif_stop_queue(priv->netdev);
2142 if (netif_carrier_ok(priv->netdev))
2143 netif_carrier_off(priv->netdev);
2145 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2146 unregister_netdevice(wdev->netdev);
2148 if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
2149 free_netdev(wdev->netdev);
2151 /* Clear the priv in adapter */
2152 priv->netdev = NULL;
2154 priv->media_connected = false;
2156 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2160 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2162 /* station cfg80211 operations */
2163 static struct cfg80211_ops mwifiex_cfg80211_ops = {
2164 .add_virtual_intf = mwifiex_add_virtual_intf,
2165 .del_virtual_intf = mwifiex_del_virtual_intf,
2166 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2167 .scan = mwifiex_cfg80211_scan,
2168 .connect = mwifiex_cfg80211_connect,
2169 .disconnect = mwifiex_cfg80211_disconnect,
2170 .get_station = mwifiex_cfg80211_get_station,
2171 .dump_station = mwifiex_cfg80211_dump_station,
2172 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
2173 .join_ibss = mwifiex_cfg80211_join_ibss,
2174 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2175 .add_key = mwifiex_cfg80211_add_key,
2176 .del_key = mwifiex_cfg80211_del_key,
2177 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2178 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2179 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2180 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2181 .set_default_key = mwifiex_cfg80211_set_default_key,
2182 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2183 .set_tx_power = mwifiex_cfg80211_set_tx_power,
2184 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2185 .start_ap = mwifiex_cfg80211_start_ap,
2186 .stop_ap = mwifiex_cfg80211_stop_ap,
2187 .change_beacon = mwifiex_cfg80211_change_beacon,
2188 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2189 .set_antenna = mwifiex_cfg80211_set_antenna,
2193 * This function registers the device with CFG802.11 subsystem.
2195 * The function creates the wireless device/wiphy, populates it with
2196 * default parameters and handler function pointers, and finally
2197 * registers the device.
2200 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2204 struct wiphy *wiphy;
2205 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2208 /* create a new wiphy for use with cfg80211 */
2209 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2210 sizeof(struct mwifiex_adapter *));
2212 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2215 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2216 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2217 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2218 wiphy->max_remain_on_channel_duration = 5000;
2219 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2220 BIT(NL80211_IFTYPE_ADHOC) |
2221 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2222 BIT(NL80211_IFTYPE_P2P_GO) |
2223 BIT(NL80211_IFTYPE_AP);
2225 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2226 if (adapter->config_bands & BAND_A)
2227 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2229 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
2231 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2232 wiphy->n_iface_combinations = 1;
2234 /* Initialize cipher suits */
2235 wiphy->cipher_suites = mwifiex_cipher_suites;
2236 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2238 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2239 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2240 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2241 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2242 WIPHY_FLAG_CUSTOM_REGULATORY |
2243 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2245 wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2247 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2248 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2249 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2251 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2252 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2254 wiphy->features |= NL80211_FEATURE_HT_IBSS |
2255 NL80211_FEATURE_INACTIVITY_TIMER |
2256 NL80211_FEATURE_LOW_PRIORITY_SCAN;
2258 /* Reserve space for mwifiex specific private data for BSS */
2259 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2261 wiphy->reg_notifier = mwifiex_reg_notifier;
2263 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2264 wdev_priv = wiphy_priv(wiphy);
2265 *(unsigned long *)wdev_priv = (unsigned long)adapter;
2267 set_wiphy_dev(wiphy, priv->adapter->dev);
2269 ret = wiphy_register(wiphy);
2271 dev_err(adapter->dev,
2272 "%s: wiphy_register failed: %d\n", __func__, ret);
2276 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
2278 dev_info(adapter->dev,
2279 "ignoring F/W country code %2.2s\n", country_code);
2281 adapter->wiphy = wiphy;