Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
[linux-2.6-microblaze.git] / drivers / net / wireless / ath / wil6210 / cfg80211.c
1 /*
2  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
3  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17
18 #include <linux/etherdevice.h>
19 #include <linux/moduleparam.h>
20 #include <net/netlink.h>
21 #include <net/cfg80211.h>
22 #include "wil6210.h"
23 #include "wmi.h"
24 #include "fw.h"
25
26 #define WIL_MAX_ROC_DURATION_MS 5000
27
28 bool disable_ap_sme;
29 module_param(disable_ap_sme, bool, 0444);
30 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
31
32 #ifdef CONFIG_PM
33 static struct wiphy_wowlan_support wil_wowlan_support = {
34         .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
35 };
36 #endif
37
38 #define CHAN60G(_channel, _flags) {                             \
39         .band                   = NL80211_BAND_60GHZ,           \
40         .center_freq            = 56160 + (2160 * (_channel)),  \
41         .hw_value               = (_channel),                   \
42         .flags                  = (_flags),                     \
43         .max_antenna_gain       = 0,                            \
44         .max_power              = 40,                           \
45 }
46
47 static struct ieee80211_channel wil_60ghz_channels[] = {
48         CHAN60G(1, 0),
49         CHAN60G(2, 0),
50         CHAN60G(3, 0),
51         CHAN60G(4, 0),
52 };
53
54 static void
55 wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
56 {
57         kfree(*pdst);
58         *pdst = NULL;
59         *pdst_len = 0;
60         if (src_len > 0) {
61                 *pdst = kmemdup(src, src_len, GFP_KERNEL);
62                 if (*pdst)
63                         *pdst_len = src_len;
64         }
65 }
66
67 static int wil_num_supported_channels(struct wil6210_priv *wil)
68 {
69         int num_channels = ARRAY_SIZE(wil_60ghz_channels);
70
71         if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
72                 num_channels--;
73
74         return num_channels;
75 }
76
77 void update_supported_bands(struct wil6210_priv *wil)
78 {
79         struct wiphy *wiphy = wil_to_wiphy(wil);
80
81         wil_dbg_misc(wil, "update supported bands");
82
83         wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
84                                                 wil_num_supported_channels(wil);
85 }
86
87 /* Vendor id to be used in vendor specific command and events
88  * to user space.
89  * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
90  * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
91  * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
92  * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
93  */
94
95 #define QCA_NL80211_VENDOR_ID   0x001374
96
97 #define WIL_MAX_RF_SECTORS (128)
98 #define WIL_CID_ALL (0xff)
99
100 enum qca_wlan_vendor_attr_rf_sector {
101         QCA_ATTR_MAC_ADDR = 6,
102         QCA_ATTR_PAD = 13,
103         QCA_ATTR_TSF = 29,
104         QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
105         QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
106         QCA_ATTR_DMG_RF_MODULE_MASK = 32,
107         QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
108         QCA_ATTR_DMG_RF_SECTOR_MAX,
109 };
110
111 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
112         QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
113         QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
114         QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
115 };
116
117 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
118         QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
119         QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
120         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
121         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
122         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
123         QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
124         QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
125         QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
126
127         /* keep last */
128         QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
129         QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
130         QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
131 };
132
133 static const struct
134 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
135         [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
136         [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
137         [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
138         [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
139         [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
140 };
141
142 static const struct
143 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
144         [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
145         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
146         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
147         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
148         [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
149         [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
150         [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
151 };
152
153 enum qca_nl80211_vendor_subcmds {
154         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
155         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
156         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
157         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
158 };
159
160 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
161                                  struct wireless_dev *wdev,
162                                  const void *data, int data_len);
163 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
164                                  struct wireless_dev *wdev,
165                                  const void *data, int data_len);
166 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
167                                       struct wireless_dev *wdev,
168                                       const void *data, int data_len);
169 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
170                                       struct wireless_dev *wdev,
171                                       const void *data, int data_len);
172
173 /* vendor specific commands */
174 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
175         {
176                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
177                 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
178                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
179                          WIPHY_VENDOR_CMD_NEED_RUNNING,
180                 .doit = wil_rf_sector_get_cfg
181         },
182         {
183                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
184                 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
185                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
186                          WIPHY_VENDOR_CMD_NEED_RUNNING,
187                 .doit = wil_rf_sector_set_cfg
188         },
189         {
190                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
191                 .info.subcmd =
192                         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
193                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
194                          WIPHY_VENDOR_CMD_NEED_RUNNING,
195                 .doit = wil_rf_sector_get_selected
196         },
197         {
198                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
199                 .info.subcmd =
200                         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
201                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
202                          WIPHY_VENDOR_CMD_NEED_RUNNING,
203                 .doit = wil_rf_sector_set_selected
204         },
205 };
206
207 static struct ieee80211_supported_band wil_band_60ghz = {
208         .channels = wil_60ghz_channels,
209         .n_channels = ARRAY_SIZE(wil_60ghz_channels),
210         .ht_cap = {
211                 .ht_supported = true,
212                 .cap = 0, /* TODO */
213                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
214                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
215                 .mcs = {
216                                 /* MCS 1..12 - SC PHY */
217                         .rx_mask = {0xfe, 0x1f}, /* 1..12 */
218                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
219                 },
220         },
221 };
222
223 static const struct ieee80211_txrx_stypes
224 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
225         [NL80211_IFTYPE_STATION] = {
226                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
227                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
228                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
229                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
230         },
231         [NL80211_IFTYPE_AP] = {
232                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
233                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
234                 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
235                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
236                 BIT(IEEE80211_STYPE_AUTH >> 4) |
237                 BIT(IEEE80211_STYPE_REASSOC_RESP >> 4),
238                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
239                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
240                 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
241                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
242                 BIT(IEEE80211_STYPE_AUTH >> 4) |
243                 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
244                 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
245         },
246         [NL80211_IFTYPE_P2P_CLIENT] = {
247                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
248                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
249                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
250                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
251         },
252         [NL80211_IFTYPE_P2P_GO] = {
253                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
254                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
255                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
256                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
257         },
258         [NL80211_IFTYPE_P2P_DEVICE] = {
259                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
260                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
261                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
262                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
263         },
264 };
265
266 static const u32 wil_cipher_suites[] = {
267         WLAN_CIPHER_SUITE_GCMP,
268 };
269
270 static const char * const key_usage_str[] = {
271         [WMI_KEY_USE_PAIRWISE]  = "PTK",
272         [WMI_KEY_USE_RX_GROUP]  = "RX_GTK",
273         [WMI_KEY_USE_TX_GROUP]  = "TX_GTK",
274 };
275
276 int wil_iftype_nl2wmi(enum nl80211_iftype type)
277 {
278         static const struct {
279                 enum nl80211_iftype nl;
280                 enum wmi_network_type wmi;
281         } __nl2wmi[] = {
282                 {NL80211_IFTYPE_ADHOC,          WMI_NETTYPE_ADHOC},
283                 {NL80211_IFTYPE_STATION,        WMI_NETTYPE_INFRA},
284                 {NL80211_IFTYPE_AP,             WMI_NETTYPE_AP},
285                 {NL80211_IFTYPE_P2P_CLIENT,     WMI_NETTYPE_P2P},
286                 {NL80211_IFTYPE_P2P_GO,         WMI_NETTYPE_P2P},
287                 {NL80211_IFTYPE_MONITOR,        WMI_NETTYPE_ADHOC}, /* FIXME */
288         };
289         uint i;
290
291         for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
292                 if (__nl2wmi[i].nl == type)
293                         return __nl2wmi[i].wmi;
294         }
295
296         return -EOPNOTSUPP;
297 }
298
299 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
300                        struct station_info *sinfo)
301 {
302         struct wil6210_priv *wil = vif_to_wil(vif);
303         struct wmi_notify_req_cmd cmd = {
304                 .cid = cid,
305                 .interval_usec = 0,
306         };
307         struct {
308                 struct wmi_cmd_hdr wmi;
309                 struct wmi_notify_req_done_event evt;
310         } __packed reply;
311         struct wil_net_stats *stats = &wil->sta[cid].stats;
312         int rc;
313
314         memset(&reply, 0, sizeof(reply));
315
316         rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd),
317                       WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
318         if (rc)
319                 return rc;
320
321         wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
322                     "  MCS %d TSF 0x%016llx\n"
323                     "  BF status 0x%08x RSSI %d SQI %d%%\n"
324                     "  Tx Tpt %d goodput %d Rx goodput %d\n"
325                     "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
326                     cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs),
327                     le64_to_cpu(reply.evt.tsf), reply.evt.status,
328                     reply.evt.rssi,
329                     reply.evt.sqi,
330                     le32_to_cpu(reply.evt.tx_tpt),
331                     le32_to_cpu(reply.evt.tx_goodput),
332                     le32_to_cpu(reply.evt.rx_goodput),
333                     le16_to_cpu(reply.evt.my_rx_sector),
334                     le16_to_cpu(reply.evt.my_tx_sector),
335                     le16_to_cpu(reply.evt.other_rx_sector),
336                     le16_to_cpu(reply.evt.other_tx_sector));
337
338         sinfo->generation = wil->sinfo_gen;
339
340         sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
341                         BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
342                         BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
343                         BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
344                         BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
345                         BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
346                         BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
347                         BIT_ULL(NL80211_STA_INFO_TX_FAILED);
348
349         sinfo->txrate.flags = RATE_INFO_FLAGS_60G;
350         sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
351         sinfo->rxrate.mcs = stats->last_mcs_rx;
352         sinfo->rx_bytes = stats->rx_bytes;
353         sinfo->rx_packets = stats->rx_packets;
354         sinfo->rx_dropped_misc = stats->rx_dropped;
355         sinfo->tx_bytes = stats->tx_bytes;
356         sinfo->tx_packets = stats->tx_packets;
357         sinfo->tx_failed = stats->tx_errors;
358
359         if (test_bit(wil_vif_fwconnected, vif->status)) {
360                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
361                 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
362                              wil->fw_capabilities))
363                         sinfo->signal = reply.evt.rssi;
364                 else
365                         sinfo->signal = reply.evt.sqi;
366         }
367
368         return rc;
369 }
370
371 static int wil_cfg80211_get_station(struct wiphy *wiphy,
372                                     struct net_device *ndev,
373                                     const u8 *mac, struct station_info *sinfo)
374 {
375         struct wil6210_vif *vif = ndev_to_vif(ndev);
376         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
377         int rc;
378
379         int cid = wil_find_cid(wil, vif->mid, mac);
380
381         wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
382                      vif->mid);
383         if (cid < 0)
384                 return cid;
385
386         rc = wil_cid_fill_sinfo(vif, cid, sinfo);
387
388         return rc;
389 }
390
391 /*
392  * Find @idx-th active STA for specific MID for station dump.
393  */
394 static int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
395 {
396         int i;
397
398         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
399                 if (wil->sta[i].status == wil_sta_unused)
400                         continue;
401                 if (wil->sta[i].mid != mid)
402                         continue;
403                 if (idx == 0)
404                         return i;
405                 idx--;
406         }
407
408         return -ENOENT;
409 }
410
411 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
412                                      struct net_device *dev, int idx,
413                                      u8 *mac, struct station_info *sinfo)
414 {
415         struct wil6210_vif *vif = ndev_to_vif(dev);
416         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
417         int rc;
418         int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
419
420         if (cid < 0)
421                 return -ENOENT;
422
423         ether_addr_copy(mac, wil->sta[cid].addr);
424         wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
425                      vif->mid);
426
427         rc = wil_cid_fill_sinfo(vif, cid, sinfo);
428
429         return rc;
430 }
431
432 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
433                                          struct wireless_dev *wdev)
434 {
435         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
436
437         wil_dbg_misc(wil, "start_p2p_device: entered\n");
438         wil->p2p_dev_started = 1;
439         return 0;
440 }
441
442 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
443                                          struct wireless_dev *wdev)
444 {
445         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
446
447         if (!wil->p2p_dev_started)
448                 return;
449
450         wil_dbg_misc(wil, "stop_p2p_device: entered\n");
451         mutex_lock(&wil->mutex);
452         mutex_lock(&wil->vif_mutex);
453         wil_p2p_stop_radio_operations(wil);
454         wil->p2p_dev_started = 0;
455         mutex_unlock(&wil->vif_mutex);
456         mutex_unlock(&wil->mutex);
457 }
458
459 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
460                                            enum nl80211_iftype new_type)
461 {
462         int i;
463         struct wireless_dev *wdev;
464         struct iface_combination_params params = {
465                 .num_different_channels = 1,
466         };
467
468         for (i = 0; i < wil->max_vifs; i++) {
469                 if (wil->vifs[i]) {
470                         wdev = vif_to_wdev(wil->vifs[i]);
471                         params.iftype_num[wdev->iftype]++;
472                 }
473         }
474         params.iftype_num[new_type]++;
475         return cfg80211_check_combinations(wil->wiphy, &params);
476 }
477
478 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
479                                               struct wil6210_vif *vif,
480                                               enum nl80211_iftype new_type)
481 {
482         int i, ret = 0;
483         struct wireless_dev *wdev;
484         struct iface_combination_params params = {
485                 .num_different_channels = 1,
486         };
487         bool check_combos = false;
488
489         for (i = 0; i < wil->max_vifs; i++) {
490                 struct wil6210_vif *vif_pos = wil->vifs[i];
491
492                 if (vif_pos && vif != vif_pos) {
493                         wdev = vif_to_wdev(vif_pos);
494                         params.iftype_num[wdev->iftype]++;
495                         check_combos = true;
496                 }
497         }
498
499         if (check_combos) {
500                 params.iftype_num[new_type]++;
501                 ret = cfg80211_check_combinations(wil->wiphy, &params);
502         }
503         return ret;
504 }
505
506 static struct wireless_dev *
507 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
508                        unsigned char name_assign_type,
509                        enum nl80211_iftype type,
510                        struct vif_params *params)
511 {
512         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
513         struct net_device *ndev_main = wil->main_ndev, *ndev;
514         struct wil6210_vif *vif;
515         struct wireless_dev *p2p_wdev, *wdev;
516         int rc;
517
518         wil_dbg_misc(wil, "add_iface, type %d\n", type);
519
520         /* P2P device is not a real virtual interface, it is a management-only
521          * interface that shares the main interface.
522          * Skip concurrency checks here.
523          */
524         if (type == NL80211_IFTYPE_P2P_DEVICE) {
525                 if (wil->p2p_wdev) {
526                         wil_err(wil, "P2P_DEVICE interface already created\n");
527                         return ERR_PTR(-EINVAL);
528                 }
529
530                 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
531                 if (!p2p_wdev)
532                         return ERR_PTR(-ENOMEM);
533
534                 p2p_wdev->iftype = type;
535                 p2p_wdev->wiphy = wiphy;
536                 /* use our primary ethernet address */
537                 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
538
539                 wil->p2p_wdev = p2p_wdev;
540
541                 return p2p_wdev;
542         }
543
544         if (!wil->wiphy->n_iface_combinations) {
545                 wil_err(wil, "virtual interfaces not supported\n");
546                 return ERR_PTR(-EINVAL);
547         }
548
549         rc = wil_cfg80211_validate_add_iface(wil, type);
550         if (rc) {
551                 wil_err(wil, "iface validation failed, err=%d\n", rc);
552                 return ERR_PTR(rc);
553         }
554
555         vif = wil_vif_alloc(wil, name, name_assign_type, type);
556         if (IS_ERR(vif))
557                 return ERR_CAST(vif);
558
559         ndev = vif_to_ndev(vif);
560         ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
561         if (is_valid_ether_addr(params->macaddr)) {
562                 ether_addr_copy(ndev->dev_addr, params->macaddr);
563         } else {
564                 ether_addr_copy(ndev->dev_addr, ndev_main->perm_addr);
565                 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << vif->mid)) |
566                         0x2; /* locally administered */
567         }
568         wdev = vif_to_wdev(vif);
569         ether_addr_copy(wdev->address, ndev->dev_addr);
570
571         rc = wil_vif_add(wil, vif);
572         if (rc)
573                 goto out;
574
575         wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
576                  vif->mid, type, wdev->address);
577         return wdev;
578 out:
579         wil_vif_free(vif);
580         return ERR_PTR(rc);
581 }
582
583 int wil_vif_prepare_stop(struct wil6210_vif *vif)
584 {
585         struct wil6210_priv *wil = vif_to_wil(vif);
586         struct wireless_dev *wdev = vif_to_wdev(vif);
587         struct net_device *ndev;
588         int rc;
589
590         if (wdev->iftype != NL80211_IFTYPE_AP)
591                 return 0;
592
593         ndev = vif_to_ndev(vif);
594         if (netif_carrier_ok(ndev)) {
595                 rc = wmi_pcp_stop(vif);
596                 if (rc) {
597                         wil_info(wil, "failed to stop AP, status %d\n",
598                                  rc);
599                         /* continue */
600                 }
601                 wil_bcast_fini(vif);
602                 netif_carrier_off(ndev);
603         }
604
605         return 0;
606 }
607
608 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
609                                   struct wireless_dev *wdev)
610 {
611         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
612         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
613         int rc;
614
615         wil_dbg_misc(wil, "del_iface\n");
616
617         if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
618                 if (wdev != wil->p2p_wdev) {
619                         wil_err(wil, "delete of incorrect interface 0x%p\n",
620                                 wdev);
621                         return -EINVAL;
622                 }
623
624                 wil_cfg80211_stop_p2p_device(wiphy, wdev);
625                 wil_p2p_wdev_free(wil);
626                 return 0;
627         }
628
629         if (vif->mid == 0) {
630                 wil_err(wil, "cannot remove the main interface\n");
631                 return -EINVAL;
632         }
633
634         rc = wil_vif_prepare_stop(vif);
635         if (rc)
636                 goto out;
637
638         wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
639                  vif->mid, wdev->iftype, wdev->address);
640
641         wil_vif_remove(wil, vif->mid);
642 out:
643         return rc;
644 }
645
646 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
647                                      struct net_device *ndev,
648                                      enum nl80211_iftype type,
649                                      struct vif_params *params)
650 {
651         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
652         struct wil6210_vif *vif = ndev_to_vif(ndev);
653         struct wireless_dev *wdev = vif_to_wdev(vif);
654         int rc;
655         bool fw_reset = false;
656
657         wil_dbg_misc(wil, "change_iface: type=%d\n", type);
658
659         if (wiphy->n_iface_combinations) {
660                 rc = wil_cfg80211_validate_change_iface(wil, vif, type);
661                 if (rc) {
662                         wil_err(wil, "iface validation failed, err=%d\n", rc);
663                         return rc;
664                 }
665         }
666
667         /* do not reset FW when there are active VIFs,
668          * because it can cause significant disruption
669          */
670         if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
671             netif_running(ndev) && !wil_is_recovery_blocked(wil)) {
672                 wil_dbg_misc(wil, "interface is up. resetting...\n");
673                 mutex_lock(&wil->mutex);
674                 __wil_down(wil);
675                 rc = __wil_up(wil);
676                 mutex_unlock(&wil->mutex);
677
678                 if (rc)
679                         return rc;
680                 fw_reset = true;
681         }
682
683         switch (type) {
684         case NL80211_IFTYPE_STATION:
685         case NL80211_IFTYPE_AP:
686         case NL80211_IFTYPE_P2P_CLIENT:
687         case NL80211_IFTYPE_P2P_GO:
688                 break;
689         case NL80211_IFTYPE_MONITOR:
690                 if (params->flags)
691                         wil->monitor_flags = params->flags;
692                 break;
693         default:
694                 return -EOPNOTSUPP;
695         }
696
697         if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
698                 if (!fw_reset)
699                         wil_vif_prepare_stop(vif);
700                 rc = wmi_port_delete(wil, vif->mid);
701                 if (rc)
702                         return rc;
703                 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
704                 if (rc)
705                         return rc;
706         }
707
708         wdev->iftype = type;
709         return 0;
710 }
711
712 static int wil_cfg80211_scan(struct wiphy *wiphy,
713                              struct cfg80211_scan_request *request)
714 {
715         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
716         struct wireless_dev *wdev = request->wdev;
717         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
718         struct {
719                 struct wmi_start_scan_cmd cmd;
720                 u16 chnl[4];
721         } __packed cmd;
722         uint i, n;
723         int rc;
724
725         wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
726
727         /* scan is supported on client interfaces and on AP interface */
728         switch (wdev->iftype) {
729         case NL80211_IFTYPE_STATION:
730         case NL80211_IFTYPE_P2P_CLIENT:
731         case NL80211_IFTYPE_P2P_DEVICE:
732         case NL80211_IFTYPE_AP:
733                 break;
734         default:
735                 return -EOPNOTSUPP;
736         }
737
738         /* FW don't support scan after connection attempt */
739         if (test_bit(wil_status_dontscan, wil->status)) {
740                 wil_err(wil, "Can't scan now\n");
741                 return -EBUSY;
742         }
743
744         mutex_lock(&wil->mutex);
745
746         mutex_lock(&wil->vif_mutex);
747         if (vif->scan_request || vif->p2p.discovery_started) {
748                 wil_err(wil, "Already scanning\n");
749                 mutex_unlock(&wil->vif_mutex);
750                 rc = -EAGAIN;
751                 goto out;
752         }
753         mutex_unlock(&wil->vif_mutex);
754
755         if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
756                 if (!wil->p2p_dev_started) {
757                         wil_err(wil, "P2P search requested on stopped P2P device\n");
758                         rc = -EIO;
759                         goto out;
760                 }
761                 /* social scan on P2P_DEVICE is handled as p2p search */
762                 if (wil_p2p_is_social_scan(request)) {
763                         vif->scan_request = request;
764                         if (vif->mid == 0)
765                                 wil->radio_wdev = wdev;
766                         rc = wil_p2p_search(vif, request);
767                         if (rc) {
768                                 if (vif->mid == 0)
769                                         wil->radio_wdev =
770                                                 wil->main_ndev->ieee80211_ptr;
771                                 vif->scan_request = NULL;
772                         }
773                         goto out;
774                 }
775         }
776
777         (void)wil_p2p_stop_discovery(vif);
778
779         wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
780         wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
781
782         for (i = 0; i < request->n_ssids; i++) {
783                 wil_dbg_misc(wil, "SSID[%d]", i);
784                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
785                                   request->ssids[i].ssid,
786                                   request->ssids[i].ssid_len, true);
787         }
788
789         if (request->n_ssids)
790                 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
791                                   request->ssids[0].ssid);
792         else
793                 rc = wmi_set_ssid(vif, 0, NULL);
794
795         if (rc) {
796                 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
797                 goto out;
798         }
799
800         vif->scan_request = request;
801         mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO);
802
803         memset(&cmd, 0, sizeof(cmd));
804         cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
805         cmd.cmd.num_channels = 0;
806         n = min(request->n_channels, 4U);
807         for (i = 0; i < n; i++) {
808                 int ch = request->channels[i]->hw_value;
809
810                 if (ch == 0) {
811                         wil_err(wil,
812                                 "Scan requested for unknown frequency %dMhz\n",
813                                 request->channels[i]->center_freq);
814                         continue;
815                 }
816                 /* 0-based channel indexes */
817                 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
818                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
819                              request->channels[i]->center_freq);
820         }
821
822         if (request->ie_len)
823                 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
824                                   request->ie, request->ie_len, true);
825         else
826                 wil_dbg_misc(wil, "Scan has no IE's\n");
827
828         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
829                         request->ie_len, request->ie);
830         if (rc)
831                 goto out_restore;
832
833         if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
834                 cmd.cmd.discovery_mode = 1;
835                 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
836         }
837
838         if (vif->mid == 0)
839                 wil->radio_wdev = wdev;
840         rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
841                       &cmd, sizeof(cmd.cmd) +
842                       cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
843
844 out_restore:
845         if (rc) {
846                 del_timer_sync(&vif->scan_timer);
847                 if (vif->mid == 0)
848                         wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
849                 vif->scan_request = NULL;
850         }
851 out:
852         mutex_unlock(&wil->mutex);
853         return rc;
854 }
855
856 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
857                                     struct wireless_dev *wdev)
858 {
859         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
860         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
861
862         wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
863
864         mutex_lock(&wil->mutex);
865         mutex_lock(&wil->vif_mutex);
866
867         if (!vif->scan_request)
868                 goto out;
869
870         if (wdev != vif->scan_request->wdev) {
871                 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
872                 goto out;
873         }
874
875         if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
876                 wil_p2p_stop_radio_operations(wil);
877         else
878                 wil_abort_scan(vif, true);
879
880 out:
881         mutex_unlock(&wil->vif_mutex);
882         mutex_unlock(&wil->mutex);
883 }
884
885 static void wil_print_crypto(struct wil6210_priv *wil,
886                              struct cfg80211_crypto_settings *c)
887 {
888         int i, n;
889
890         wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
891                      c->wpa_versions, c->cipher_group);
892         wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
893         n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
894         for (i = 0; i < n; i++)
895                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
896                              c->ciphers_pairwise[i]);
897         wil_dbg_misc(wil, "}\n");
898         wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
899         n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
900         for (i = 0; i < n; i++)
901                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
902                              c->akm_suites[i]);
903         wil_dbg_misc(wil, "}\n");
904         wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
905                      c->control_port, be16_to_cpu(c->control_port_ethertype),
906                      c->control_port_no_encrypt);
907 }
908
909 static const char *
910 wil_get_auth_type_name(enum nl80211_auth_type auth_type)
911 {
912         switch (auth_type) {
913         case NL80211_AUTHTYPE_OPEN_SYSTEM:
914                 return "OPEN_SYSTEM";
915         case NL80211_AUTHTYPE_SHARED_KEY:
916                 return "SHARED_KEY";
917         case NL80211_AUTHTYPE_FT:
918                 return "FT";
919         case NL80211_AUTHTYPE_NETWORK_EAP:
920                 return "NETWORK_EAP";
921         case NL80211_AUTHTYPE_SAE:
922                 return "SAE";
923         case NL80211_AUTHTYPE_AUTOMATIC:
924                 return "AUTOMATIC";
925         default:
926                 return "unknown";
927         }
928 }
929 static void wil_print_connect_params(struct wil6210_priv *wil,
930                                      struct cfg80211_connect_params *sme)
931 {
932         wil_info(wil, "Connecting to:\n");
933         if (sme->channel) {
934                 wil_info(wil, "  Channel: %d freq %d\n",
935                          sme->channel->hw_value, sme->channel->center_freq);
936         }
937         if (sme->bssid)
938                 wil_info(wil, "  BSSID: %pM\n", sme->bssid);
939         if (sme->ssid)
940                 print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
941                                16, 1, sme->ssid, sme->ssid_len, true);
942         if (sme->prev_bssid)
943                 wil_info(wil, "  Previous BSSID=%pM\n", sme->prev_bssid);
944         wil_info(wil, "  Auth Type: %s\n",
945                  wil_get_auth_type_name(sme->auth_type));
946         wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
947         wil_info(wil, "  PBSS: %d\n", sme->pbss);
948         wil_print_crypto(wil, &sme->crypto);
949 }
950
951 static int wil_ft_connect(struct wiphy *wiphy,
952                           struct net_device *ndev,
953                           struct cfg80211_connect_params *sme)
954 {
955         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
956         struct wil6210_vif *vif = ndev_to_vif(ndev);
957         struct wmi_ft_auth_cmd auth_cmd;
958         int rc;
959
960         if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
961                 wil_err(wil, "FT: FW does not support FT roaming\n");
962                 return -EOPNOTSUPP;
963         }
964
965         if (!sme->prev_bssid) {
966                 wil_err(wil, "FT: prev_bssid was not set\n");
967                 return -EINVAL;
968         }
969
970         if (ether_addr_equal(sme->prev_bssid, sme->bssid)) {
971                 wil_err(wil, "FT: can not roam to same AP\n");
972                 return -EINVAL;
973         }
974
975         if (!test_bit(wil_vif_fwconnected, vif->status)) {
976                 wil_err(wil, "FT: roam while not connected\n");
977                 return -EINVAL;
978         }
979
980         if (vif->privacy != sme->privacy) {
981                 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n",
982                         vif->privacy, sme->privacy);
983                 return -EINVAL;
984         }
985
986         if (sme->pbss) {
987                 wil_err(wil, "FT: roam is not valid for PBSS\n");
988                 return -EINVAL;
989         }
990
991         memset(&auth_cmd, 0, sizeof(auth_cmd));
992         auth_cmd.channel = sme->channel->hw_value - 1;
993         ether_addr_copy(auth_cmd.bssid, sme->bssid);
994
995         wil_info(wil, "FT: roaming\n");
996
997         set_bit(wil_vif_ft_roam, vif->status);
998         rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid,
999                       &auth_cmd, sizeof(auth_cmd));
1000         if (rc == 0)
1001                 mod_timer(&vif->connect_timer,
1002                           jiffies + msecs_to_jiffies(5000));
1003         else
1004                 clear_bit(wil_vif_ft_roam, vif->status);
1005
1006         return rc;
1007 }
1008
1009 static int wil_cfg80211_connect(struct wiphy *wiphy,
1010                                 struct net_device *ndev,
1011                                 struct cfg80211_connect_params *sme)
1012 {
1013         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1014         struct wil6210_vif *vif = ndev_to_vif(ndev);
1015         struct cfg80211_bss *bss;
1016         struct wmi_connect_cmd conn;
1017         const u8 *ssid_eid;
1018         const u8 *rsn_eid;
1019         int ch;
1020         int rc = 0;
1021         bool is_ft_roam = false;
1022         u8 network_type;
1023         enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
1024
1025         wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
1026         wil_print_connect_params(wil, sme);
1027
1028         if (sme->auth_type == NL80211_AUTHTYPE_FT)
1029                 is_ft_roam = true;
1030         if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC &&
1031             test_bit(wil_vif_fwconnected, vif->status))
1032                 is_ft_roam = true;
1033
1034         if (!is_ft_roam)
1035                 if (test_bit(wil_vif_fwconnecting, vif->status) ||
1036                     test_bit(wil_vif_fwconnected, vif->status))
1037                         return -EALREADY;
1038
1039         if (sme->ie_len > WMI_MAX_IE_LEN) {
1040                 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
1041                 return -ERANGE;
1042         }
1043
1044         rsn_eid = sme->ie ?
1045                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
1046                         NULL;
1047         if (sme->privacy && !rsn_eid) {
1048                 wil_info(wil, "WSC connection\n");
1049                 if (is_ft_roam) {
1050                         wil_err(wil, "No WSC with FT roam\n");
1051                         return -EINVAL;
1052                 }
1053         }
1054
1055         if (sme->pbss)
1056                 bss_type = IEEE80211_BSS_TYPE_PBSS;
1057
1058         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
1059                                sme->ssid, sme->ssid_len,
1060                                bss_type, IEEE80211_PRIVACY_ANY);
1061         if (!bss) {
1062                 wil_err(wil, "Unable to find BSS\n");
1063                 return -ENOENT;
1064         }
1065
1066         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
1067         if (!ssid_eid) {
1068                 wil_err(wil, "No SSID\n");
1069                 rc = -ENOENT;
1070                 goto out;
1071         }
1072         vif->privacy = sme->privacy;
1073         vif->pbss = sme->pbss;
1074
1075         rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
1076         if (rc)
1077                 goto out;
1078
1079         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
1080         case WLAN_CAPABILITY_DMG_TYPE_AP:
1081                 network_type = WMI_NETTYPE_INFRA;
1082                 break;
1083         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
1084                 network_type = WMI_NETTYPE_P2P;
1085                 break;
1086         default:
1087                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
1088                         bss->capability);
1089                 rc = -EINVAL;
1090                 goto out;
1091         }
1092
1093         ch = bss->channel->hw_value;
1094         if (ch == 0) {
1095                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
1096                         bss->channel->center_freq);
1097                 rc = -EOPNOTSUPP;
1098                 goto out;
1099         }
1100
1101         if (is_ft_roam) {
1102                 if (network_type != WMI_NETTYPE_INFRA) {
1103                         wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n",
1104                                 bss->capability);
1105                         rc = -EINVAL;
1106                         goto out;
1107                 }
1108                 rc = wil_ft_connect(wiphy, ndev, sme);
1109                 if (rc == 0)
1110                         vif->bss = bss;
1111                 goto out;
1112         }
1113
1114         if (vif->privacy) {
1115                 /* For secure assoc, remove old keys */
1116                 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1117                                         WMI_KEY_USE_PAIRWISE);
1118                 if (rc) {
1119                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
1120                         goto out;
1121                 }
1122                 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1123                                         WMI_KEY_USE_RX_GROUP);
1124                 if (rc) {
1125                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
1126                         goto out;
1127                 }
1128         }
1129
1130         /* WMI_CONNECT_CMD */
1131         memset(&conn, 0, sizeof(conn));
1132         conn.network_type = network_type;
1133         if (vif->privacy) {
1134                 if (rsn_eid) { /* regular secure connection */
1135                         conn.dot11_auth_mode = WMI_AUTH11_SHARED;
1136                         conn.auth_mode = WMI_AUTH_WPA2_PSK;
1137                         conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
1138                         conn.pairwise_crypto_len = 16;
1139                         conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
1140                         conn.group_crypto_len = 16;
1141                 } else { /* WSC */
1142                         conn.dot11_auth_mode = WMI_AUTH11_WSC;
1143                         conn.auth_mode = WMI_AUTH_NONE;
1144                 }
1145         } else { /* insecure connection */
1146                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
1147                 conn.auth_mode = WMI_AUTH_NONE;
1148         }
1149
1150         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
1151         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
1152         conn.channel = ch - 1;
1153
1154         ether_addr_copy(conn.bssid, bss->bssid);
1155         ether_addr_copy(conn.dst_mac, bss->bssid);
1156
1157         set_bit(wil_vif_fwconnecting, vif->status);
1158
1159         rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
1160         if (rc == 0) {
1161                 netif_carrier_on(ndev);
1162                 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1163                         wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1164                 vif->bss = bss;
1165                 /* Connect can take lots of time */
1166                 mod_timer(&vif->connect_timer,
1167                           jiffies + msecs_to_jiffies(5000));
1168         } else {
1169                 clear_bit(wil_vif_fwconnecting, vif->status);
1170         }
1171
1172  out:
1173         cfg80211_put_bss(wiphy, bss);
1174
1175         return rc;
1176 }
1177
1178 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
1179                                    struct net_device *ndev,
1180                                    u16 reason_code)
1181 {
1182         int rc;
1183         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1184         struct wil6210_vif *vif = ndev_to_vif(ndev);
1185
1186         wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
1187                      reason_code, vif->mid);
1188
1189         if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
1190               test_bit(wil_vif_fwconnected, vif->status))) {
1191                 wil_err(wil, "Disconnect was called while disconnected\n");
1192                 return 0;
1193         }
1194
1195         vif->locally_generated_disc = true;
1196         rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
1197                       WMI_DISCONNECT_EVENTID, NULL, 0,
1198                       WIL6210_DISCONNECT_TO_MS);
1199         if (rc)
1200                 wil_err(wil, "disconnect error %d\n", rc);
1201
1202         return rc;
1203 }
1204
1205 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1206 {
1207         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1208         int rc;
1209
1210         /* these parameters are explicitly not supported */
1211         if (changed & (WIPHY_PARAM_RETRY_LONG |
1212                        WIPHY_PARAM_FRAG_THRESHOLD |
1213                        WIPHY_PARAM_RTS_THRESHOLD))
1214                 return -ENOTSUPP;
1215
1216         if (changed & WIPHY_PARAM_RETRY_SHORT) {
1217                 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
1218                 if (rc)
1219                         return rc;
1220         }
1221
1222         return 0;
1223 }
1224
1225 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1226                          struct cfg80211_mgmt_tx_params *params,
1227                          u64 *cookie)
1228 {
1229         const u8 *buf = params->buf;
1230         size_t len = params->len;
1231         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1232         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1233         int rc;
1234         bool tx_status;
1235
1236         wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
1237                      params->chan ? params->chan->hw_value : -1,
1238                      params->offchan,
1239                      params->wait);
1240
1241         /* Note, currently we support the "wait" parameter only on AP mode.
1242          * In other modes, user-space must call remain_on_channel before
1243          * mgmt_tx or listen on a channel other than active one.
1244          */
1245
1246         if (params->chan && params->chan->hw_value == 0) {
1247                 wil_err(wil, "invalid channel\n");
1248                 return -EINVAL;
1249         }
1250
1251         if (wdev->iftype != NL80211_IFTYPE_AP) {
1252                 wil_dbg_misc(wil,
1253                              "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
1254                 rc = wmi_mgmt_tx(vif, buf, len);
1255                 goto out;
1256         }
1257
1258         if (!params->chan || params->chan->hw_value == vif->channel) {
1259                 wil_dbg_misc(wil,
1260                              "send WMI_SW_TX_REQ_CMDID for on-channel\n");
1261                 rc = wmi_mgmt_tx(vif, buf, len);
1262                 goto out;
1263         }
1264
1265         if (params->offchan == 0) {
1266                 wil_err(wil,
1267                         "invalid channel params: current %d requested %d, off-channel not allowed\n",
1268                         vif->channel, params->chan->hw_value);
1269                 return -EBUSY;
1270         }
1271
1272         /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
1273         rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
1274                              params->wait);
1275
1276 out:
1277         tx_status = (rc == 0);
1278         cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
1279                                 tx_status, GFP_KERNEL);
1280
1281         return rc;
1282 }
1283
1284 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
1285                                     struct cfg80211_chan_def *chandef)
1286 {
1287         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1288
1289         wil->monitor_chandef = *chandef;
1290
1291         return 0;
1292 }
1293
1294 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
1295                                                bool pairwise)
1296 {
1297         struct wil6210_priv *wil = wdev_to_wil(wdev);
1298         enum wmi_key_usage rc;
1299
1300         if (pairwise) {
1301                 rc = WMI_KEY_USE_PAIRWISE;
1302         } else {
1303                 switch (wdev->iftype) {
1304                 case NL80211_IFTYPE_STATION:
1305                 case NL80211_IFTYPE_P2P_CLIENT:
1306                         rc = WMI_KEY_USE_RX_GROUP;
1307                         break;
1308                 case NL80211_IFTYPE_AP:
1309                 case NL80211_IFTYPE_P2P_GO:
1310                         rc = WMI_KEY_USE_TX_GROUP;
1311                         break;
1312                 default:
1313                         /* TODO: Rx GTK or Tx GTK? */
1314                         wil_err(wil, "Can't determine GTK type\n");
1315                         rc = WMI_KEY_USE_RX_GROUP;
1316                         break;
1317                 }
1318         }
1319         wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
1320
1321         return rc;
1322 }
1323
1324 static struct wil_sta_info *
1325 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
1326                           enum wmi_key_usage key_usage, const u8 *mac_addr)
1327 {
1328         int cid = -EINVAL;
1329
1330         if (key_usage == WMI_KEY_USE_TX_GROUP)
1331                 return NULL; /* not needed */
1332
1333         /* supplicant provides Rx group key in STA mode with NULL MAC address */
1334         if (mac_addr)
1335                 cid = wil_find_cid(wil, mid, mac_addr);
1336         else if (key_usage == WMI_KEY_USE_RX_GROUP)
1337                 cid = wil_find_cid_by_idx(wil, mid, 0);
1338         if (cid < 0) {
1339                 wil_err(wil, "No CID for %pM %s\n", mac_addr,
1340                         key_usage_str[key_usage]);
1341                 return ERR_PTR(cid);
1342         }
1343
1344         return &wil->sta[cid];
1345 }
1346
1347 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1348                        struct wil_sta_info *cs,
1349                        struct key_params *params)
1350 {
1351         struct wil_tid_crypto_rx_single *cc;
1352         int tid;
1353
1354         if (!cs)
1355                 return;
1356
1357         switch (key_usage) {
1358         case WMI_KEY_USE_PAIRWISE:
1359                 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1360                         cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1361                         if (params->seq)
1362                                 memcpy(cc->pn, params->seq,
1363                                        IEEE80211_GCMP_PN_LEN);
1364                         else
1365                                 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1366                         cc->key_set = true;
1367                 }
1368                 break;
1369         case WMI_KEY_USE_RX_GROUP:
1370                 cc = &cs->group_crypto_rx.key_id[key_index];
1371                 if (params->seq)
1372                         memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1373                 else
1374                         memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1375                 cc->key_set = true;
1376                 break;
1377         default:
1378                 break;
1379         }
1380 }
1381
1382 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1383                            struct wil_sta_info *cs)
1384 {
1385         struct wil_tid_crypto_rx_single *cc;
1386         int tid;
1387
1388         if (!cs)
1389                 return;
1390
1391         switch (key_usage) {
1392         case WMI_KEY_USE_PAIRWISE:
1393                 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1394                         cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1395                         cc->key_set = false;
1396                 }
1397                 break;
1398         case WMI_KEY_USE_RX_GROUP:
1399                 cc = &cs->group_crypto_rx.key_id[key_index];
1400                 cc->key_set = false;
1401                 break;
1402         default:
1403                 break;
1404         }
1405 }
1406
1407 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1408                                 struct net_device *ndev,
1409                                 u8 key_index, bool pairwise,
1410                                 const u8 *mac_addr,
1411                                 struct key_params *params)
1412 {
1413         int rc;
1414         struct wil6210_vif *vif = ndev_to_vif(ndev);
1415         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1416         struct wireless_dev *wdev = vif_to_wdev(vif);
1417         enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1418         struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1419                                                             key_usage,
1420                                                             mac_addr);
1421
1422         if (!params) {
1423                 wil_err(wil, "NULL params\n");
1424                 return -EINVAL;
1425         }
1426
1427         wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1428                      mac_addr, key_usage_str[key_usage], key_index,
1429                      params->seq_len, params->seq);
1430
1431         if (IS_ERR(cs)) {
1432                 /* in FT, sta info may not be available as add_key may be
1433                  * sent by host before FW sends WMI_CONNECT_EVENT
1434                  */
1435                 if (!test_bit(wil_vif_ft_roam, vif->status)) {
1436                         wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1437                                 mac_addr, key_usage_str[key_usage], key_index,
1438                                 params->seq_len, params->seq);
1439                         return -EINVAL;
1440                 }
1441         }
1442
1443         if (!IS_ERR(cs))
1444                 wil_del_rx_key(key_index, key_usage, cs);
1445
1446         if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1447                 wil_err(wil,
1448                         "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1449                         params->seq_len, mac_addr,
1450                         key_usage_str[key_usage], key_index,
1451                         params->seq_len, params->seq);
1452                 return -EINVAL;
1453         }
1454
1455         rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
1456                                 params->key, key_usage);
1457         if (!rc && !IS_ERR(cs)) {
1458                 /* update local storage used for AP recovery */
1459                 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key &&
1460                     params->key_len <= WMI_MAX_KEY_LEN) {
1461                         vif->gtk_index = key_index;
1462                         memcpy(vif->gtk, params->key, params->key_len);
1463                         vif->gtk_len = params->key_len;
1464                 }
1465                 /* in FT set crypto will take place upon receiving
1466                  * WMI_RING_EN_EVENTID event
1467                  */
1468                 wil_set_crypto_rx(key_index, key_usage, cs, params);
1469         }
1470
1471         return rc;
1472 }
1473
1474 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1475                                 struct net_device *ndev,
1476                                 u8 key_index, bool pairwise,
1477                                 const u8 *mac_addr)
1478 {
1479         struct wil6210_vif *vif = ndev_to_vif(ndev);
1480         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1481         struct wireless_dev *wdev = vif_to_wdev(vif);
1482         enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1483         struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1484                                                             key_usage,
1485                                                             mac_addr);
1486
1487         wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1488                      key_usage_str[key_usage], key_index);
1489
1490         if (IS_ERR(cs))
1491                 wil_info(wil, "Not connected, %pM %s[%d]\n",
1492                          mac_addr, key_usage_str[key_usage], key_index);
1493
1494         if (!IS_ERR_OR_NULL(cs))
1495                 wil_del_rx_key(key_index, key_usage, cs);
1496
1497         return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
1498 }
1499
1500 /* Need to be present or wiphy_new() will WARN */
1501 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1502                                         struct net_device *ndev,
1503                                         u8 key_index, bool unicast,
1504                                         bool multicast)
1505 {
1506         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1507
1508         wil_dbg_misc(wil, "set_default_key: entered\n");
1509         return 0;
1510 }
1511
1512 static int wil_remain_on_channel(struct wiphy *wiphy,
1513                                  struct wireless_dev *wdev,
1514                                  struct ieee80211_channel *chan,
1515                                  unsigned int duration,
1516                                  u64 *cookie)
1517 {
1518         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1519         int rc;
1520
1521         wil_dbg_misc(wil,
1522                      "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1523                      chan->center_freq, duration, wdev->iftype);
1524
1525         rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1526         return rc;
1527 }
1528
1529 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1530                                         struct wireless_dev *wdev,
1531                                         u64 cookie)
1532 {
1533         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1534         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1535
1536         wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1537
1538         return wil_p2p_cancel_listen(vif, cookie);
1539 }
1540
1541 /**
1542  * find a specific IE in a list of IEs
1543  * return a pointer to the beginning of IE in the list
1544  * or NULL if not found
1545  */
1546 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1547                                        u16 ie_len)
1548 {
1549         struct ieee80211_vendor_ie *vie;
1550         u32 oui;
1551
1552         /* IE tag at offset 0, length at offset 1 */
1553         if (ie_len < 2 || 2 + ie[1] > ie_len)
1554                 return NULL;
1555
1556         if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1557                 return cfg80211_find_ie(ie[0], ies, ies_len);
1558
1559         /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1560         if (ie[1] < 4)
1561                 return NULL;
1562         vie = (struct ieee80211_vendor_ie *)ie;
1563         oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1564         return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1565                                        ies_len);
1566 }
1567
1568 /**
1569  * merge the IEs in two lists into a single list.
1570  * do not include IEs from the second list which exist in the first list.
1571  * add only vendor specific IEs from second list to keep
1572  * the merged list sorted (since vendor-specific IE has the
1573  * highest tag number)
1574  * caller must free the allocated memory for merged IEs
1575  */
1576 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1577                                          const u8 *ies2, u16 ies2_len,
1578                                          u8 **merged_ies, u16 *merged_len)
1579 {
1580         u8 *buf, *dpos;
1581         const u8 *spos;
1582
1583         if (ies1_len == 0 && ies2_len == 0) {
1584                 *merged_ies = NULL;
1585                 *merged_len = 0;
1586                 return 0;
1587         }
1588
1589         buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1590         if (!buf)
1591                 return -ENOMEM;
1592         memcpy(buf, ies1, ies1_len);
1593         dpos = buf + ies1_len;
1594         spos = ies2;
1595         while (spos + 1 < ies2 + ies2_len) {
1596                 /* IE tag at offset 0, length at offset 1 */
1597                 u16 ielen = 2 + spos[1];
1598
1599                 if (spos + ielen > ies2 + ies2_len)
1600                         break;
1601                 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1602                     !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) {
1603                         memcpy(dpos, spos, ielen);
1604                         dpos += ielen;
1605                 }
1606                 spos += ielen;
1607         }
1608
1609         *merged_ies = buf;
1610         *merged_len = dpos - buf;
1611         return 0;
1612 }
1613
1614 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1615 {
1616         wil_hex_dump_misc("head     ", DUMP_PREFIX_OFFSET, 16, 1,
1617                           b->head, b->head_len, true);
1618         wil_hex_dump_misc("tail     ", DUMP_PREFIX_OFFSET, 16, 1,
1619                           b->tail, b->tail_len, true);
1620         wil_hex_dump_misc("BCON IE  ", DUMP_PREFIX_OFFSET, 16, 1,
1621                           b->beacon_ies, b->beacon_ies_len, true);
1622         wil_hex_dump_misc("PROBE    ", DUMP_PREFIX_OFFSET, 16, 1,
1623                           b->probe_resp, b->probe_resp_len, true);
1624         wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1625                           b->proberesp_ies, b->proberesp_ies_len, true);
1626         wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1627                           b->assocresp_ies, b->assocresp_ies_len, true);
1628 }
1629
1630 /* internal functions for device reset and starting AP */
1631 static u8 *
1632 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len,
1633                                 u16 *ies_len)
1634 {
1635         u8 *ies = NULL;
1636
1637         if (proberesp) {
1638                 struct ieee80211_mgmt *f =
1639                         (struct ieee80211_mgmt *)proberesp;
1640                 size_t hlen = offsetof(struct ieee80211_mgmt,
1641                                        u.probe_resp.variable);
1642
1643                 ies = f->u.probe_resp.variable;
1644                 if (ies_len)
1645                         *ies_len = proberesp_len - hlen;
1646         }
1647
1648         return ies;
1649 }
1650
1651 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
1652                                  struct cfg80211_beacon_data *bcon)
1653 {
1654         int rc;
1655         u16 len = 0, proberesp_len = 0;
1656         u8 *ies = NULL, *proberesp;
1657
1658         /* update local storage used for AP recovery */
1659         wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp,
1660                       bcon->probe_resp_len);
1661         wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len,
1662                       bcon->proberesp_ies, bcon->proberesp_ies_len);
1663         wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len,
1664                       bcon->assocresp_ies, bcon->assocresp_ies_len);
1665
1666         proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1667                                                     bcon->probe_resp_len,
1668                                                     &proberesp_len);
1669         rc = _wil_cfg80211_merge_extra_ies(proberesp,
1670                                            proberesp_len,
1671                                            bcon->proberesp_ies,
1672                                            bcon->proberesp_ies_len,
1673                                            &ies, &len);
1674
1675         if (rc)
1676                 goto out;
1677
1678         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies);
1679         if (rc)
1680                 goto out;
1681
1682         if (bcon->assocresp_ies)
1683                 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
1684                                 bcon->assocresp_ies_len, bcon->assocresp_ies);
1685         else
1686                 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies);
1687 #if 0 /* to use beacon IE's, remove this #if 0 */
1688         if (rc)
1689                 goto out;
1690
1691         rc = wmi_set_ie(vif, WMI_FRAME_BEACON,
1692                         bcon->tail_len, bcon->tail);
1693 #endif
1694 out:
1695         kfree(ies);
1696         return rc;
1697 }
1698
1699 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1700                                   struct net_device *ndev,
1701                                   const u8 *ssid, size_t ssid_len, u32 privacy,
1702                                   int bi, u8 chan,
1703                                   struct cfg80211_beacon_data *bcon,
1704                                   u8 hidden_ssid, u32 pbss)
1705 {
1706         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1707         struct wil6210_vif *vif = ndev_to_vif(ndev);
1708         int rc;
1709         struct wireless_dev *wdev = ndev->ieee80211_ptr;
1710         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1711         u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1712         u16 proberesp_len = 0;
1713         u8 *proberesp;
1714         bool ft = false;
1715
1716         if (pbss)
1717                 wmi_nettype = WMI_NETTYPE_P2P;
1718
1719         wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
1720         if (is_go && !pbss) {
1721                 wil_err(wil, "P2P GO must be in PBSS\n");
1722                 return -ENOTSUPP;
1723         }
1724
1725         wil_set_recovery_state(wil, fw_recovery_idle);
1726
1727         proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1728                                                     bcon->probe_resp_len,
1729                                                     &proberesp_len);
1730         /* check that the probe response IEs has a MDE */
1731         if ((proberesp && proberesp_len > 0 &&
1732              cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN,
1733                               proberesp,
1734                               proberesp_len)))
1735                 ft = true;
1736
1737         if (ft) {
1738                 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING,
1739                               wil->fw_capabilities)) {
1740                         wil_err(wil, "FW does not support FT roaming\n");
1741                         return -ENOTSUPP;
1742                 }
1743                 set_bit(wil_vif_ft_roam, vif->status);
1744         }
1745
1746         mutex_lock(&wil->mutex);
1747
1748         if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
1749                 __wil_down(wil);
1750                 rc = __wil_up(wil);
1751                 if (rc)
1752                         goto out;
1753         }
1754
1755         rc = wmi_set_ssid(vif, ssid_len, ssid);
1756         if (rc)
1757                 goto out;
1758
1759         rc = _wil_cfg80211_set_ies(vif, bcon);
1760         if (rc)
1761                 goto out;
1762
1763         vif->privacy = privacy;
1764         vif->channel = chan;
1765         vif->hidden_ssid = hidden_ssid;
1766         vif->pbss = pbss;
1767         vif->bi = bi;
1768         memcpy(vif->ssid, ssid, ssid_len);
1769         vif->ssid_len = ssid_len;
1770
1771         netif_carrier_on(ndev);
1772         if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1773                 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1774
1775         rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go);
1776         if (rc)
1777                 goto err_pcp_start;
1778
1779         rc = wil_bcast_init(vif);
1780         if (rc)
1781                 goto err_bcast;
1782
1783         goto out; /* success */
1784
1785 err_bcast:
1786         wmi_pcp_stop(vif);
1787 err_pcp_start:
1788         netif_carrier_off(ndev);
1789         if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1790                 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1791 out:
1792         mutex_unlock(&wil->mutex);
1793         return rc;
1794 }
1795
1796 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
1797 {
1798         int rc, i;
1799         struct wiphy *wiphy = wil_to_wiphy(wil);
1800
1801         for (i = 0; i < wil->max_vifs; i++) {
1802                 struct wil6210_vif *vif = wil->vifs[i];
1803                 struct net_device *ndev;
1804                 struct cfg80211_beacon_data bcon = {};
1805                 struct key_params key_params = {};
1806
1807                 if (!vif || vif->ssid_len == 0)
1808                         continue;
1809
1810                 ndev = vif_to_ndev(vif);
1811                 bcon.proberesp_ies = vif->proberesp_ies;
1812                 bcon.assocresp_ies = vif->assocresp_ies;
1813                 bcon.probe_resp = vif->proberesp;
1814                 bcon.proberesp_ies_len = vif->proberesp_ies_len;
1815                 bcon.assocresp_ies_len = vif->assocresp_ies_len;
1816                 bcon.probe_resp_len = vif->proberesp_len;
1817
1818                 wil_info(wil,
1819                          "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n",
1820                          i, vif->privacy, vif->bi, vif->channel,
1821                          vif->hidden_ssid, vif->pbss);
1822                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
1823                                   vif->ssid, vif->ssid_len, true);
1824                 rc = _wil_cfg80211_start_ap(wiphy, ndev,
1825                                             vif->ssid, vif->ssid_len,
1826                                             vif->privacy, vif->bi,
1827                                             vif->channel, &bcon,
1828                                             vif->hidden_ssid, vif->pbss);
1829                 if (rc) {
1830                         wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
1831                         continue;
1832                 }
1833
1834                 if (!vif->privacy || vif->gtk_len == 0)
1835                         continue;
1836
1837                 key_params.key = vif->gtk;
1838                 key_params.key_len = vif->gtk_len;
1839                 key_params.seq_len = IEEE80211_GCMP_PN_LEN;
1840                 rc = wil_cfg80211_add_key(wiphy, ndev, vif->gtk_index, false,
1841                                           NULL, &key_params);
1842                 if (rc)
1843                         wil_err(wil, "vif %d recovery add key failed (%d)\n",
1844                                 i, rc);
1845         }
1846 }
1847
1848 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
1849                                       struct net_device *ndev,
1850                                       struct cfg80211_beacon_data *bcon)
1851 {
1852         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1853         struct wireless_dev *wdev = ndev->ieee80211_ptr;
1854         struct wil6210_vif *vif = ndev_to_vif(ndev);
1855         int rc;
1856         u32 privacy = 0;
1857
1858         wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
1859         wil_print_bcon_data(bcon);
1860
1861         if (bcon->tail &&
1862             cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
1863                              bcon->tail_len))
1864                 privacy = 1;
1865
1866         memcpy(vif->ssid, wdev->ssid, wdev->ssid_len);
1867         vif->ssid_len = wdev->ssid_len;
1868
1869         /* in case privacy has changed, need to restart the AP */
1870         if (vif->privacy != privacy) {
1871                 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
1872                              vif->privacy, privacy);
1873
1874                 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
1875                                             vif->ssid_len, privacy,
1876                                             wdev->beacon_interval,
1877                                             vif->channel, bcon,
1878                                             vif->hidden_ssid,
1879                                             vif->pbss);
1880         } else {
1881                 rc = _wil_cfg80211_set_ies(vif, bcon);
1882         }
1883
1884         return rc;
1885 }
1886
1887 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
1888                                  struct net_device *ndev,
1889                                  struct cfg80211_ap_settings *info)
1890 {
1891         int rc;
1892         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1893         struct ieee80211_channel *channel = info->chandef.chan;
1894         struct cfg80211_beacon_data *bcon = &info->beacon;
1895         struct cfg80211_crypto_settings *crypto = &info->crypto;
1896         u8 hidden_ssid;
1897
1898         wil_dbg_misc(wil, "start_ap\n");
1899
1900         if (!channel) {
1901                 wil_err(wil, "AP: No channel???\n");
1902                 return -EINVAL;
1903         }
1904
1905         switch (info->hidden_ssid) {
1906         case NL80211_HIDDEN_SSID_NOT_IN_USE:
1907                 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
1908                 break;
1909
1910         case NL80211_HIDDEN_SSID_ZERO_LEN:
1911                 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
1912                 break;
1913
1914         case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1915                 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
1916                 break;
1917
1918         default:
1919                 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
1920                 return -EOPNOTSUPP;
1921         }
1922         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
1923                      channel->center_freq, info->privacy ? "secure" : "open");
1924         wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
1925                      info->privacy, info->auth_type);
1926         wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
1927                      info->hidden_ssid);
1928         wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
1929                      info->dtim_period);
1930         wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
1931         wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
1932                           info->ssid, info->ssid_len, true);
1933         wil_print_bcon_data(bcon);
1934         wil_print_crypto(wil, crypto);
1935
1936         rc = _wil_cfg80211_start_ap(wiphy, ndev,
1937                                     info->ssid, info->ssid_len, info->privacy,
1938                                     info->beacon_interval, channel->hw_value,
1939                                     bcon, hidden_ssid, info->pbss);
1940
1941         return rc;
1942 }
1943
1944 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
1945                                 struct net_device *ndev)
1946 {
1947         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1948         struct wil6210_vif *vif = ndev_to_vif(ndev);
1949         bool last;
1950
1951         wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
1952
1953         netif_carrier_off(ndev);
1954         last = !wil_has_other_active_ifaces(wil, ndev, false, true);
1955         if (last) {
1956                 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1957                 wil_set_recovery_state(wil, fw_recovery_idle);
1958                 set_bit(wil_status_resetting, wil->status);
1959         }
1960
1961         mutex_lock(&wil->mutex);
1962
1963         wmi_pcp_stop(vif);
1964         clear_bit(wil_vif_ft_roam, vif->status);
1965         vif->ssid_len = 0;
1966         wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0);
1967         wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0);
1968         wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0);
1969         memset(vif->gtk, 0, WMI_MAX_KEY_LEN);
1970         vif->gtk_len = 0;
1971
1972         if (last)
1973                 __wil_down(wil);
1974         else
1975                 wil_bcast_fini(vif);
1976
1977         mutex_unlock(&wil->mutex);
1978
1979         return 0;
1980 }
1981
1982 static int wil_cfg80211_add_station(struct wiphy *wiphy,
1983                                     struct net_device *dev,
1984                                     const u8 *mac,
1985                                     struct station_parameters *params)
1986 {
1987         struct wil6210_vif *vif = ndev_to_vif(dev);
1988         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1989
1990         wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n",
1991                      mac, params->aid, vif->mid,
1992                      params->sta_flags_mask, params->sta_flags_set);
1993
1994         if (!disable_ap_sme) {
1995                 wil_err(wil, "not supported with AP SME enabled\n");
1996                 return -EOPNOTSUPP;
1997         }
1998
1999         if (params->aid > WIL_MAX_DMG_AID) {
2000                 wil_err(wil, "invalid aid\n");
2001                 return -EINVAL;
2002         }
2003
2004         return wmi_new_sta(vif, mac, params->aid);
2005 }
2006
2007 static int wil_cfg80211_del_station(struct wiphy *wiphy,
2008                                     struct net_device *dev,
2009                                     struct station_del_parameters *params)
2010 {
2011         struct wil6210_vif *vif = ndev_to_vif(dev);
2012         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2013
2014         wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
2015                      params->mac, params->reason_code, vif->mid);
2016
2017         mutex_lock(&wil->mutex);
2018         wil6210_disconnect(vif, params->mac, params->reason_code);
2019         mutex_unlock(&wil->mutex);
2020
2021         return 0;
2022 }
2023
2024 static int wil_cfg80211_change_station(struct wiphy *wiphy,
2025                                        struct net_device *dev,
2026                                        const u8 *mac,
2027                                        struct station_parameters *params)
2028 {
2029         struct wil6210_vif *vif = ndev_to_vif(dev);
2030         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2031         int authorize;
2032         int cid, i;
2033         struct wil_ring_tx_data *txdata = NULL;
2034
2035         wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
2036                      mac, params->sta_flags_mask, params->sta_flags_set,
2037                      vif->mid);
2038
2039         if (!disable_ap_sme) {
2040                 wil_dbg_misc(wil, "not supported with AP SME enabled\n");
2041                 return -EOPNOTSUPP;
2042         }
2043
2044         if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2045                 return 0;
2046
2047         cid = wil_find_cid(wil, vif->mid, mac);
2048         if (cid < 0) {
2049                 wil_err(wil, "station not found\n");
2050                 return -ENOLINK;
2051         }
2052
2053         for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
2054                 if (wil->ring2cid_tid[i][0] == cid) {
2055                         txdata = &wil->ring_tx_data[i];
2056                         break;
2057                 }
2058
2059         if (!txdata) {
2060                 wil_err(wil, "ring data not found\n");
2061                 return -ENOLINK;
2062         }
2063
2064         authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
2065         txdata->dot1x_open = authorize ? 1 : 0;
2066         wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
2067                      txdata->dot1x_open);
2068
2069         return 0;
2070 }
2071
2072 /* probe_client handling */
2073 static void wil_probe_client_handle(struct wil6210_priv *wil,
2074                                     struct wil6210_vif *vif,
2075                                     struct wil_probe_client_req *req)
2076 {
2077         struct net_device *ndev = vif_to_ndev(vif);
2078         struct wil_sta_info *sta = &wil->sta[req->cid];
2079         /* assume STA is alive if it is still connected,
2080          * else FW will disconnect it
2081          */
2082         bool alive = (sta->status == wil_sta_connected);
2083
2084         cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
2085                               0, false, GFP_KERNEL);
2086 }
2087
2088 static struct list_head *next_probe_client(struct wil6210_vif *vif)
2089 {
2090         struct list_head *ret = NULL;
2091
2092         mutex_lock(&vif->probe_client_mutex);
2093
2094         if (!list_empty(&vif->probe_client_pending)) {
2095                 ret = vif->probe_client_pending.next;
2096                 list_del(ret);
2097         }
2098
2099         mutex_unlock(&vif->probe_client_mutex);
2100
2101         return ret;
2102 }
2103
2104 void wil_probe_client_worker(struct work_struct *work)
2105 {
2106         struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
2107                                                probe_client_worker);
2108         struct wil6210_priv *wil = vif_to_wil(vif);
2109         struct wil_probe_client_req *req;
2110         struct list_head *lh;
2111
2112         while ((lh = next_probe_client(vif)) != NULL) {
2113                 req = list_entry(lh, struct wil_probe_client_req, list);
2114
2115                 wil_probe_client_handle(wil, vif, req);
2116                 kfree(req);
2117         }
2118 }
2119
2120 void wil_probe_client_flush(struct wil6210_vif *vif)
2121 {
2122         struct wil_probe_client_req *req, *t;
2123         struct wil6210_priv *wil = vif_to_wil(vif);
2124
2125         wil_dbg_misc(wil, "probe_client_flush\n");
2126
2127         mutex_lock(&vif->probe_client_mutex);
2128
2129         list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
2130                 list_del(&req->list);
2131                 kfree(req);
2132         }
2133
2134         mutex_unlock(&vif->probe_client_mutex);
2135 }
2136
2137 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
2138                                      struct net_device *dev,
2139                                      const u8 *peer, u64 *cookie)
2140 {
2141         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2142         struct wil6210_vif *vif = ndev_to_vif(dev);
2143         struct wil_probe_client_req *req;
2144         int cid = wil_find_cid(wil, vif->mid, peer);
2145
2146         wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
2147                      peer, cid, vif->mid);
2148
2149         if (cid < 0)
2150                 return -ENOLINK;
2151
2152         req = kzalloc(sizeof(*req), GFP_KERNEL);
2153         if (!req)
2154                 return -ENOMEM;
2155
2156         req->cid = cid;
2157         req->cookie = cid;
2158
2159         mutex_lock(&vif->probe_client_mutex);
2160         list_add_tail(&req->list, &vif->probe_client_pending);
2161         mutex_unlock(&vif->probe_client_mutex);
2162
2163         *cookie = req->cookie;
2164         queue_work(wil->wq_service, &vif->probe_client_worker);
2165         return 0;
2166 }
2167
2168 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
2169                                    struct net_device *dev,
2170                                    struct bss_parameters *params)
2171 {
2172         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2173         struct wil6210_vif *vif = ndev_to_vif(dev);
2174
2175         if (params->ap_isolate >= 0) {
2176                 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
2177                              vif->mid, vif->ap_isolate, params->ap_isolate);
2178                 vif->ap_isolate = params->ap_isolate;
2179         }
2180
2181         return 0;
2182 }
2183
2184 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
2185                                        struct net_device *dev,
2186                                        bool enabled, int timeout)
2187 {
2188         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2189         enum wmi_ps_profile_type ps_profile;
2190
2191         wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
2192                      enabled, timeout);
2193
2194         if (enabled)
2195                 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
2196         else
2197                 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
2198
2199         return wil_ps_update(wil, ps_profile);
2200 }
2201
2202 static int wil_cfg80211_suspend(struct wiphy *wiphy,
2203                                 struct cfg80211_wowlan *wow)
2204 {
2205         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2206         int rc;
2207
2208         /* Setting the wakeup trigger based on wow is TBD */
2209
2210         if (test_bit(wil_status_suspended, wil->status)) {
2211                 wil_dbg_pm(wil, "trying to suspend while suspended\n");
2212                 return 0;
2213         }
2214
2215         rc = wil_can_suspend(wil, false);
2216         if (rc)
2217                 goto out;
2218
2219         wil_dbg_pm(wil, "suspending\n");
2220
2221         mutex_lock(&wil->mutex);
2222         mutex_lock(&wil->vif_mutex);
2223         wil_p2p_stop_radio_operations(wil);
2224         wil_abort_scan_all_vifs(wil, true);
2225         mutex_unlock(&wil->vif_mutex);
2226         mutex_unlock(&wil->mutex);
2227
2228 out:
2229         return rc;
2230 }
2231
2232 static int wil_cfg80211_resume(struct wiphy *wiphy)
2233 {
2234         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2235
2236         wil_dbg_pm(wil, "resuming\n");
2237
2238         return 0;
2239 }
2240
2241 static int
2242 wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
2243                               struct net_device *dev,
2244                               struct cfg80211_sched_scan_request *request)
2245 {
2246         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2247         struct wil6210_vif *vif = ndev_to_vif(dev);
2248         int i, rc;
2249
2250         if (vif->mid != 0)
2251                 return -EOPNOTSUPP;
2252
2253         wil_dbg_misc(wil,
2254                      "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
2255                      request->n_ssids, request->ie_len, request->flags);
2256         for (i = 0; i < request->n_ssids; i++) {
2257                 wil_dbg_misc(wil, "SSID[%d]:", i);
2258                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2259                                   request->ssids[i].ssid,
2260                                   request->ssids[i].ssid_len, true);
2261         }
2262         wil_dbg_misc(wil, "channels:");
2263         for (i = 0; i < request->n_channels; i++)
2264                 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
2265                              i == request->n_channels - 1 ? "\n" : "");
2266         wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
2267                      request->n_match_sets, request->min_rssi_thold,
2268                      request->delay);
2269         for (i = 0; i < request->n_match_sets; i++) {
2270                 struct cfg80211_match_set *ms = &request->match_sets[i];
2271
2272                 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
2273                              i, ms->rssi_thold);
2274                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2275                                   ms->ssid.ssid,
2276                                   ms->ssid.ssid_len, true);
2277         }
2278         wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
2279         for (i = 0; i < request->n_scan_plans; i++) {
2280                 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
2281
2282                 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
2283                              i, sp->interval, sp->iterations);
2284         }
2285
2286         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
2287                         request->ie_len, request->ie);
2288         if (rc)
2289                 return rc;
2290         return wmi_start_sched_scan(wil, request);
2291 }
2292
2293 static int
2294 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2295                              u64 reqid)
2296 {
2297         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2298         struct wil6210_vif *vif = ndev_to_vif(dev);
2299         int rc;
2300
2301         if (vif->mid != 0)
2302                 return -EOPNOTSUPP;
2303
2304         rc = wmi_stop_sched_scan(wil);
2305         /* device would return error if it thinks PNO is already stopped.
2306          * ignore the return code so user space and driver gets back in-sync
2307          */
2308         wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
2309
2310         return 0;
2311 }
2312
2313 static int
2314 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev,
2315                            struct cfg80211_update_ft_ies_params *ftie)
2316 {
2317         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2318         struct wil6210_vif *vif = ndev_to_vif(dev);
2319         struct cfg80211_bss *bss;
2320         struct wmi_ft_reassoc_cmd reassoc;
2321         int rc = 0;
2322
2323         wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid);
2324         wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1,
2325                           ftie->ie, ftie->ie_len, true);
2326
2327         if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
2328                 wil_err(wil, "FW does not support FT roaming\n");
2329                 return -EOPNOTSUPP;
2330         }
2331
2332         rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie);
2333         if (rc)
2334                 return rc;
2335
2336         if (!test_bit(wil_vif_ft_roam, vif->status))
2337                 /* vif is not roaming */
2338                 return 0;
2339
2340         /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as
2341          * a trigger for reassoc
2342          */
2343
2344         bss = vif->bss;
2345         if (!bss) {
2346                 wil_err(wil, "FT: bss is NULL\n");
2347                 return -EINVAL;
2348         }
2349
2350         memset(&reassoc, 0, sizeof(reassoc));
2351         ether_addr_copy(reassoc.bssid, bss->bssid);
2352
2353         rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid,
2354                       &reassoc, sizeof(reassoc));
2355         if (rc)
2356                 wil_err(wil, "FT: reassoc failed (%d)\n", rc);
2357
2358         return rc;
2359 }
2360
2361 static const struct cfg80211_ops wil_cfg80211_ops = {
2362         .add_virtual_intf = wil_cfg80211_add_iface,
2363         .del_virtual_intf = wil_cfg80211_del_iface,
2364         .scan = wil_cfg80211_scan,
2365         .abort_scan = wil_cfg80211_abort_scan,
2366         .connect = wil_cfg80211_connect,
2367         .disconnect = wil_cfg80211_disconnect,
2368         .set_wiphy_params = wil_cfg80211_set_wiphy_params,
2369         .change_virtual_intf = wil_cfg80211_change_iface,
2370         .get_station = wil_cfg80211_get_station,
2371         .dump_station = wil_cfg80211_dump_station,
2372         .remain_on_channel = wil_remain_on_channel,
2373         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
2374         .mgmt_tx = wil_cfg80211_mgmt_tx,
2375         .set_monitor_channel = wil_cfg80211_set_channel,
2376         .add_key = wil_cfg80211_add_key,
2377         .del_key = wil_cfg80211_del_key,
2378         .set_default_key = wil_cfg80211_set_default_key,
2379         /* AP mode */
2380         .change_beacon = wil_cfg80211_change_beacon,
2381         .start_ap = wil_cfg80211_start_ap,
2382         .stop_ap = wil_cfg80211_stop_ap,
2383         .add_station = wil_cfg80211_add_station,
2384         .del_station = wil_cfg80211_del_station,
2385         .change_station = wil_cfg80211_change_station,
2386         .probe_client = wil_cfg80211_probe_client,
2387         .change_bss = wil_cfg80211_change_bss,
2388         /* P2P device */
2389         .start_p2p_device = wil_cfg80211_start_p2p_device,
2390         .stop_p2p_device = wil_cfg80211_stop_p2p_device,
2391         .set_power_mgmt = wil_cfg80211_set_power_mgmt,
2392         .suspend = wil_cfg80211_suspend,
2393         .resume = wil_cfg80211_resume,
2394         .sched_scan_start = wil_cfg80211_sched_scan_start,
2395         .sched_scan_stop = wil_cfg80211_sched_scan_stop,
2396         .update_ft_ies = wil_cfg80211_update_ft_ies,
2397 };
2398
2399 static void wil_wiphy_init(struct wiphy *wiphy)
2400 {
2401         wiphy->max_scan_ssids = 1;
2402         wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
2403         wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
2404         wiphy->max_num_pmkids = 0 /* TODO: */;
2405         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2406                                  BIT(NL80211_IFTYPE_AP) |
2407                                  BIT(NL80211_IFTYPE_P2P_CLIENT) |
2408                                  BIT(NL80211_IFTYPE_P2P_GO) |
2409                                  BIT(NL80211_IFTYPE_P2P_DEVICE) |
2410                                  BIT(NL80211_IFTYPE_MONITOR);
2411         wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2412                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2413                         WIPHY_FLAG_PS_ON_BY_DEFAULT;
2414         if (!disable_ap_sme)
2415                 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
2416         dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
2417                 __func__, wiphy->flags);
2418         wiphy->probe_resp_offload =
2419                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2420                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2421                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2422
2423         wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
2424
2425         /* may change after reading FW capabilities */
2426         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2427
2428         wiphy->cipher_suites = wil_cipher_suites;
2429         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
2430         wiphy->mgmt_stypes = wil_mgmt_stypes;
2431         wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
2432
2433         wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
2434         wiphy->vendor_commands = wil_nl80211_vendor_commands;
2435
2436 #ifdef CONFIG_PM
2437         wiphy->wowlan = &wil_wowlan_support;
2438 #endif
2439 }
2440
2441 int wil_cfg80211_iface_combinations_from_fw(
2442         struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
2443 {
2444         struct wiphy *wiphy = wil_to_wiphy(wil);
2445         u32 total_limits = 0;
2446         u16 n_combos;
2447         const struct wil_fw_concurrency_combo *combo;
2448         const struct wil_fw_concurrency_limit *limit;
2449         struct ieee80211_iface_combination *iface_combinations;
2450         struct ieee80211_iface_limit *iface_limit;
2451         int i, j;
2452
2453         if (wiphy->iface_combinations) {
2454                 wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
2455                 return 0;
2456         }
2457
2458         combo = conc->combos;
2459         n_combos = le16_to_cpu(conc->n_combos);
2460         for (i = 0; i < n_combos; i++) {
2461                 total_limits += combo->n_limits;
2462                 limit = combo->limits + combo->n_limits;
2463                 combo = (struct wil_fw_concurrency_combo *)limit;
2464         }
2465
2466         iface_combinations =
2467                 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
2468                         total_limits * sizeof(struct ieee80211_iface_limit),
2469                         GFP_KERNEL);
2470         if (!iface_combinations)
2471                 return -ENOMEM;
2472         iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
2473                                                        n_combos);
2474         combo = conc->combos;
2475         for (i = 0; i < n_combos; i++) {
2476                 iface_combinations[i].max_interfaces = combo->max_interfaces;
2477                 iface_combinations[i].num_different_channels =
2478                         combo->n_diff_channels;
2479                 iface_combinations[i].beacon_int_infra_match =
2480                         combo->same_bi;
2481                 iface_combinations[i].n_limits = combo->n_limits;
2482                 wil_dbg_misc(wil,
2483                              "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
2484                              i, iface_combinations[i].max_interfaces,
2485                              iface_combinations[i].num_different_channels,
2486                              iface_combinations[i].beacon_int_infra_match);
2487                 limit = combo->limits;
2488                 for (j = 0; j < combo->n_limits; j++) {
2489                         iface_limit[j].max = le16_to_cpu(limit[j].max);
2490                         iface_limit[j].types = le16_to_cpu(limit[j].types);
2491                         wil_dbg_misc(wil,
2492                                      "limit %d: max %d types 0x%x\n", j,
2493                                      iface_limit[j].max, iface_limit[j].types);
2494                 }
2495                 iface_combinations[i].limits = iface_limit;
2496                 iface_limit += combo->n_limits;
2497                 limit += combo->n_limits;
2498                 combo = (struct wil_fw_concurrency_combo *)limit;
2499         }
2500
2501         wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
2502         wil->max_vifs = conc->n_mids + 1; /* including main interface */
2503         if (wil->max_vifs > WIL_MAX_VIFS) {
2504                 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
2505                          WIL_MAX_VIFS, wil->max_vifs);
2506                 wil->max_vifs = WIL_MAX_VIFS;
2507         }
2508         wiphy->n_iface_combinations = n_combos;
2509         wiphy->iface_combinations = iface_combinations;
2510         return 0;
2511 }
2512
2513 struct wil6210_priv *wil_cfg80211_init(struct device *dev)
2514 {
2515         struct wiphy *wiphy;
2516         struct wil6210_priv *wil;
2517         struct ieee80211_channel *ch;
2518
2519         dev_dbg(dev, "%s()\n", __func__);
2520
2521         /* Note: the wireless_dev structure is no longer allocated here.
2522          * Instead, it is allocated as part of the net_device structure
2523          * for main interface and each VIF.
2524          */
2525         wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
2526         if (!wiphy)
2527                 return ERR_PTR(-ENOMEM);
2528
2529         set_wiphy_dev(wiphy, dev);
2530         wil_wiphy_init(wiphy);
2531
2532         wil = wiphy_to_wil(wiphy);
2533         wil->wiphy = wiphy;
2534
2535         /* default monitor channel */
2536         ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
2537         cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
2538
2539         return wil;
2540 }
2541
2542 void wil_cfg80211_deinit(struct wil6210_priv *wil)
2543 {
2544         struct wiphy *wiphy = wil_to_wiphy(wil);
2545
2546         dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
2547
2548         if (!wiphy)
2549                 return;
2550
2551         kfree(wiphy->iface_combinations);
2552         wiphy->iface_combinations = NULL;
2553
2554         wiphy_free(wiphy);
2555         /* do not access wil6210_priv after returning from here */
2556 }
2557
2558 void wil_p2p_wdev_free(struct wil6210_priv *wil)
2559 {
2560         struct wireless_dev *p2p_wdev;
2561
2562         mutex_lock(&wil->vif_mutex);
2563         p2p_wdev = wil->p2p_wdev;
2564         wil->p2p_wdev = NULL;
2565         wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
2566         mutex_unlock(&wil->vif_mutex);
2567         if (p2p_wdev) {
2568                 cfg80211_unregister_wdev(p2p_wdev);
2569                 kfree(p2p_wdev);
2570         }
2571 }
2572
2573 static int wil_rf_sector_status_to_rc(u8 status)
2574 {
2575         switch (status) {
2576         case WMI_RF_SECTOR_STATUS_SUCCESS:
2577                 return 0;
2578         case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
2579                 return -EINVAL;
2580         case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
2581                 return -EAGAIN;
2582         case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
2583                 return -EOPNOTSUPP;
2584         default:
2585                 return -EINVAL;
2586         }
2587 }
2588
2589 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
2590                                  struct wireless_dev *wdev,
2591                                  const void *data, int data_len)
2592 {
2593         struct wil6210_priv *wil = wdev_to_wil(wdev);
2594         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2595         int rc;
2596         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2597         u16 sector_index;
2598         u8 sector_type;
2599         u32 rf_modules_vec;
2600         struct wmi_get_rf_sector_params_cmd cmd;
2601         struct {
2602                 struct wmi_cmd_hdr wmi;
2603                 struct wmi_get_rf_sector_params_done_event evt;
2604         } __packed reply = {
2605                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2606         };
2607         struct sk_buff *msg;
2608         struct nlattr *nl_cfgs, *nl_cfg;
2609         u32 i;
2610         struct wmi_rf_sector_info *si;
2611
2612         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2613                 return -EOPNOTSUPP;
2614
2615         rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2616                        wil_rf_sector_policy, NULL);
2617         if (rc) {
2618                 wil_err(wil, "Invalid rf sector ATTR\n");
2619                 return rc;
2620         }
2621
2622         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2623             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2624             !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
2625                 wil_err(wil, "Invalid rf sector spec\n");
2626                 return -EINVAL;
2627         }
2628
2629         sector_index = nla_get_u16(
2630                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2631         if (sector_index >= WIL_MAX_RF_SECTORS) {
2632                 wil_err(wil, "Invalid sector index %d\n", sector_index);
2633                 return -EINVAL;
2634         }
2635
2636         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2637         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2638                 wil_err(wil, "Invalid sector type %d\n", sector_type);
2639                 return -EINVAL;
2640         }
2641
2642         rf_modules_vec = nla_get_u32(
2643                 tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
2644         if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
2645                 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
2646                 return -EINVAL;
2647         }
2648
2649         cmd.sector_idx = cpu_to_le16(sector_index);
2650         cmd.sector_type = sector_type;
2651         cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2652         rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2653                       &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
2654                       &reply, sizeof(reply),
2655                       500);
2656         if (rc)
2657                 return rc;
2658         if (reply.evt.status) {
2659                 wil_err(wil, "get rf sector cfg failed with status %d\n",
2660                         reply.evt.status);
2661                 return wil_rf_sector_status_to_rc(reply.evt.status);
2662         }
2663
2664         msg = cfg80211_vendor_cmd_alloc_reply_skb(
2665                 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2666         if (!msg)
2667                 return -ENOMEM;
2668
2669         if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2670                               le64_to_cpu(reply.evt.tsf),
2671                               QCA_ATTR_PAD))
2672                 goto nla_put_failure;
2673
2674         nl_cfgs = nla_nest_start(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
2675         if (!nl_cfgs)
2676                 goto nla_put_failure;
2677         for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
2678                 if (!(rf_modules_vec & BIT(i)))
2679                         continue;
2680                 nl_cfg = nla_nest_start(msg, i);
2681                 if (!nl_cfg)
2682                         goto nla_put_failure;
2683                 si = &reply.evt.sectors_info[i];
2684                 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
2685                                i) ||
2686                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2687                                 le32_to_cpu(si->etype0)) ||
2688                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2689                                 le32_to_cpu(si->etype1)) ||
2690                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2691                                 le32_to_cpu(si->etype2)) ||
2692                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2693                                 le32_to_cpu(si->psh_hi)) ||
2694                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2695                                 le32_to_cpu(si->psh_lo)) ||
2696                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2697                                 le32_to_cpu(si->dtype_swch_off)))
2698                         goto nla_put_failure;
2699                 nla_nest_end(msg, nl_cfg);
2700         }
2701
2702         nla_nest_end(msg, nl_cfgs);
2703         rc = cfg80211_vendor_cmd_reply(msg);
2704         return rc;
2705 nla_put_failure:
2706         kfree_skb(msg);
2707         return -ENOBUFS;
2708 }
2709
2710 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2711                                  struct wireless_dev *wdev,
2712                                  const void *data, int data_len)
2713 {
2714         struct wil6210_priv *wil = wdev_to_wil(wdev);
2715         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2716         int rc, tmp;
2717         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2718         struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2719         u16 sector_index, rf_module_index;
2720         u8 sector_type;
2721         u32 rf_modules_vec = 0;
2722         struct wmi_set_rf_sector_params_cmd cmd;
2723         struct {
2724                 struct wmi_cmd_hdr wmi;
2725                 struct wmi_set_rf_sector_params_done_event evt;
2726         } __packed reply = {
2727                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2728         };
2729         struct nlattr *nl_cfg;
2730         struct wmi_rf_sector_info *si;
2731
2732         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2733                 return -EOPNOTSUPP;
2734
2735         rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2736                        wil_rf_sector_policy, NULL);
2737         if (rc) {
2738                 wil_err(wil, "Invalid rf sector ATTR\n");
2739                 return rc;
2740         }
2741
2742         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2743             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2744             !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
2745                 wil_err(wil, "Invalid rf sector spec\n");
2746                 return -EINVAL;
2747         }
2748
2749         sector_index = nla_get_u16(
2750                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2751         if (sector_index >= WIL_MAX_RF_SECTORS) {
2752                 wil_err(wil, "Invalid sector index %d\n", sector_index);
2753                 return -EINVAL;
2754         }
2755
2756         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2757         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2758                 wil_err(wil, "Invalid sector type %d\n", sector_type);
2759                 return -EINVAL;
2760         }
2761
2762         memset(&cmd, 0, sizeof(cmd));
2763
2764         cmd.sector_idx = cpu_to_le16(sector_index);
2765         cmd.sector_type = sector_type;
2766         nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
2767                             tmp) {
2768                 rc = nla_parse_nested(tb2, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
2769                                       nl_cfg, wil_rf_sector_cfg_policy,
2770                                       NULL);
2771                 if (rc) {
2772                         wil_err(wil, "invalid sector cfg\n");
2773                         return -EINVAL;
2774                 }
2775
2776                 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
2777                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
2778                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
2779                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
2780                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
2781                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
2782                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
2783                         wil_err(wil, "missing cfg params\n");
2784                         return -EINVAL;
2785                 }
2786
2787                 rf_module_index = nla_get_u8(
2788                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
2789                 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
2790                         wil_err(wil, "invalid RF module index %d\n",
2791                                 rf_module_index);
2792                         return -EINVAL;
2793                 }
2794                 rf_modules_vec |= BIT(rf_module_index);
2795                 si = &cmd.sectors_info[rf_module_index];
2796                 si->etype0 = cpu_to_le32(nla_get_u32(
2797                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
2798                 si->etype1 = cpu_to_le32(nla_get_u32(
2799                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
2800                 si->etype2 = cpu_to_le32(nla_get_u32(
2801                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
2802                 si->psh_hi = cpu_to_le32(nla_get_u32(
2803                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
2804                 si->psh_lo = cpu_to_le32(nla_get_u32(
2805                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
2806                 si->dtype_swch_off = cpu_to_le32(nla_get_u32(
2807                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
2808         }
2809
2810         cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2811         rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2812                       &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
2813                       &reply, sizeof(reply),
2814                       500);
2815         if (rc)
2816                 return rc;
2817         return wil_rf_sector_status_to_rc(reply.evt.status);
2818 }
2819
2820 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
2821                                       struct wireless_dev *wdev,
2822                                       const void *data, int data_len)
2823 {
2824         struct wil6210_priv *wil = wdev_to_wil(wdev);
2825         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2826         int rc;
2827         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2828         u8 sector_type, mac_addr[ETH_ALEN];
2829         int cid = 0;
2830         struct wmi_get_selected_rf_sector_index_cmd cmd;
2831         struct {
2832                 struct wmi_cmd_hdr wmi;
2833                 struct wmi_get_selected_rf_sector_index_done_event evt;
2834         } __packed reply = {
2835                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2836         };
2837         struct sk_buff *msg;
2838
2839         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2840                 return -EOPNOTSUPP;
2841
2842         rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2843                        wil_rf_sector_policy, NULL);
2844         if (rc) {
2845                 wil_err(wil, "Invalid rf sector ATTR\n");
2846                 return rc;
2847         }
2848
2849         if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
2850                 wil_err(wil, "Invalid rf sector spec\n");
2851                 return -EINVAL;
2852         }
2853         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2854         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2855                 wil_err(wil, "Invalid sector type %d\n", sector_type);
2856                 return -EINVAL;
2857         }
2858
2859         if (tb[QCA_ATTR_MAC_ADDR]) {
2860                 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
2861                 cid = wil_find_cid(wil, vif->mid, mac_addr);
2862                 if (cid < 0) {
2863                         wil_err(wil, "invalid MAC address %pM\n", mac_addr);
2864                         return -ENOENT;
2865                 }
2866         } else {
2867                 if (test_bit(wil_vif_fwconnected, vif->status)) {
2868                         wil_err(wil, "must specify MAC address when connected\n");
2869                         return -EINVAL;
2870                 }
2871         }
2872
2873         memset(&cmd, 0, sizeof(cmd));
2874         cmd.cid = (u8)cid;
2875         cmd.sector_type = sector_type;
2876         rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
2877                       &cmd, sizeof(cmd),
2878                       WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
2879                       &reply, sizeof(reply),
2880                       500);
2881         if (rc)
2882                 return rc;
2883         if (reply.evt.status) {
2884                 wil_err(wil, "get rf selected sector cfg failed with status %d\n",
2885                         reply.evt.status);
2886                 return wil_rf_sector_status_to_rc(reply.evt.status);
2887         }
2888
2889         msg = cfg80211_vendor_cmd_alloc_reply_skb(
2890                 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2891         if (!msg)
2892                 return -ENOMEM;
2893
2894         if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2895                               le64_to_cpu(reply.evt.tsf),
2896                               QCA_ATTR_PAD) ||
2897             nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
2898                         le16_to_cpu(reply.evt.sector_idx)))
2899                 goto nla_put_failure;
2900
2901         rc = cfg80211_vendor_cmd_reply(msg);
2902         return rc;
2903 nla_put_failure:
2904         kfree_skb(msg);
2905         return -ENOBUFS;
2906 }
2907
2908 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
2909                                           u8 mid, u16 sector_index,
2910                                           u8 sector_type, u8 cid)
2911 {
2912         struct wmi_set_selected_rf_sector_index_cmd cmd;
2913         struct {
2914                 struct wmi_cmd_hdr wmi;
2915                 struct wmi_set_selected_rf_sector_index_done_event evt;
2916         } __packed reply = {
2917                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2918         };
2919         int rc;
2920
2921         memset(&cmd, 0, sizeof(cmd));
2922         cmd.sector_idx = cpu_to_le16(sector_index);
2923         cmd.sector_type = sector_type;
2924         cmd.cid = (u8)cid;
2925         rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
2926                       &cmd, sizeof(cmd),
2927                       WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
2928                       &reply, sizeof(reply),
2929                       500);
2930         if (rc)
2931                 return rc;
2932         return wil_rf_sector_status_to_rc(reply.evt.status);
2933 }
2934
2935 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
2936                                       struct wireless_dev *wdev,
2937                                       const void *data, int data_len)
2938 {
2939         struct wil6210_priv *wil = wdev_to_wil(wdev);
2940         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2941         int rc;
2942         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2943         u16 sector_index;
2944         u8 sector_type, mac_addr[ETH_ALEN], i;
2945         int cid = 0;
2946
2947         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2948                 return -EOPNOTSUPP;
2949
2950         rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2951                        wil_rf_sector_policy, NULL);
2952         if (rc) {
2953                 wil_err(wil, "Invalid rf sector ATTR\n");
2954                 return rc;
2955         }
2956
2957         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2958             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
2959                 wil_err(wil, "Invalid rf sector spec\n");
2960                 return -EINVAL;
2961         }
2962
2963         sector_index = nla_get_u16(
2964                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2965         if (sector_index >= WIL_MAX_RF_SECTORS &&
2966             sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
2967                 wil_err(wil, "Invalid sector index %d\n", sector_index);
2968                 return -EINVAL;
2969         }
2970
2971         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2972         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2973                 wil_err(wil, "Invalid sector type %d\n", sector_type);
2974                 return -EINVAL;
2975         }
2976
2977         if (tb[QCA_ATTR_MAC_ADDR]) {
2978                 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
2979                 if (!is_broadcast_ether_addr(mac_addr)) {
2980                         cid = wil_find_cid(wil, vif->mid, mac_addr);
2981                         if (cid < 0) {
2982                                 wil_err(wil, "invalid MAC address %pM\n",
2983                                         mac_addr);
2984                                 return -ENOENT;
2985                         }
2986                 } else {
2987                         if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
2988                                 wil_err(wil, "broadcast MAC valid only with unlocking\n");
2989                                 return -EINVAL;
2990                         }
2991                         cid = -1;
2992                 }
2993         } else {
2994                 if (test_bit(wil_vif_fwconnected, vif->status)) {
2995                         wil_err(wil, "must specify MAC address when connected\n");
2996                         return -EINVAL;
2997                 }
2998                 /* otherwise, using cid=0 for unassociated station */
2999         }
3000
3001         if (cid >= 0) {
3002                 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
3003                                                     sector_type, cid);
3004         } else {
3005                 /* unlock all cids */
3006                 rc = wil_rf_sector_wmi_set_selected(
3007                         wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
3008                         sector_type, WIL_CID_ALL);
3009                 if (rc == -EINVAL) {
3010                         for (i = 0; i < WIL6210_MAX_CID; i++) {
3011                                 if (wil->sta[i].mid != vif->mid)
3012                                         continue;
3013                                 rc = wil_rf_sector_wmi_set_selected(
3014                                         wil, vif->mid,
3015                                         WMI_INVALID_RF_SECTOR_INDEX,
3016                                         sector_type, i);
3017                                 /* the FW will silently ignore and return
3018                                  * success for unused cid, so abort the loop
3019                                  * on any other error
3020                                  */
3021                                 if (rc) {
3022                                         wil_err(wil, "unlock cid %d failed with status %d\n",
3023                                                 i, rc);
3024                                         break;
3025                                 }
3026                         }
3027                 }
3028         }
3029
3030         return rc;
3031 }