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Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...
[J-linux.git] / drivers / net / wireless / ath / wil6210 / cfg80211.c
1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
4  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
5  */
6
7 #include <linux/etherdevice.h>
8 #include <linux/moduleparam.h>
9 #include <net/netlink.h>
10 #include <net/cfg80211.h>
11 #include "wil6210.h"
12 #include "wmi.h"
13 #include "fw.h"
14
15 #define WIL_MAX_ROC_DURATION_MS 5000
16
17 #define WIL_EDMG_CHANNEL_9_SUBCHANNELS  (BIT(0) | BIT(1))
18 #define WIL_EDMG_CHANNEL_10_SUBCHANNELS (BIT(1) | BIT(2))
19 #define WIL_EDMG_CHANNEL_11_SUBCHANNELS (BIT(2) | BIT(3))
20
21 /* WIL_EDMG_BW_CONFIGURATION define the allowed channel bandwidth
22  * configurations as defined by IEEE 802.11 section 9.4.2.251, Table 13.
23  * The value 5 allowing CB1 and CB2 of adjacent channels.
24  */
25 #define WIL_EDMG_BW_CONFIGURATION 5
26
27 /* WIL_EDMG_CHANNELS is a bitmap that indicates the 2.16 GHz channel(s) that
28  * are allowed to be used for EDMG transmissions in the BSS as defined by
29  * IEEE 802.11 section 9.4.2.251.
30  */
31 #define WIL_EDMG_CHANNELS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
32
33 bool disable_ap_sme;
34 module_param(disable_ap_sme, bool, 0444);
35 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
36
37 #ifdef CONFIG_PM
38 static struct wiphy_wowlan_support wil_wowlan_support = {
39         .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
40 };
41 #endif
42
43 #define CHAN60G(_channel, _flags) {                             \
44         .band                   = NL80211_BAND_60GHZ,           \
45         .center_freq            = 56160 + (2160 * (_channel)),  \
46         .hw_value               = (_channel),                   \
47         .flags                  = (_flags),                     \
48         .max_antenna_gain       = 0,                            \
49         .max_power              = 40,                           \
50 }
51
52 static struct ieee80211_channel wil_60ghz_channels[] = {
53         CHAN60G(1, 0),
54         CHAN60G(2, 0),
55         CHAN60G(3, 0),
56         CHAN60G(4, 0),
57 };
58
59 /* Rx channel bonding mode */
60 enum wil_rx_cb_mode {
61         WIL_RX_CB_MODE_DMG,
62         WIL_RX_CB_MODE_EDMG,
63         WIL_RX_CB_MODE_WIDE,
64 };
65
66 static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode)
67 {
68         switch (cb_mode) {
69         case WIL_RX_CB_MODE_DMG:
70         case WIL_RX_CB_MODE_EDMG:
71                 return 1;
72         case WIL_RX_CB_MODE_WIDE:
73                 return 2;
74         default:
75                 return 1;
76         }
77 }
78
79 static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode)
80 {
81         switch (cb_mode) {
82         case WMI_TX_MODE_DMG:
83         case WMI_TX_MODE_EDMG_CB1:
84                 return 1;
85         case WMI_TX_MODE_EDMG_CB2:
86                 return 2;
87         default:
88                 return 1;
89         }
90 }
91
92 static void
93 wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
94 {
95         kfree(*pdst);
96         *pdst = NULL;
97         *pdst_len = 0;
98         if (src_len > 0) {
99                 *pdst = kmemdup(src, src_len, GFP_KERNEL);
100                 if (*pdst)
101                         *pdst_len = src_len;
102         }
103 }
104
105 static int wil_num_supported_channels(struct wil6210_priv *wil)
106 {
107         int num_channels = ARRAY_SIZE(wil_60ghz_channels);
108
109         if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
110                 num_channels--;
111
112         return num_channels;
113 }
114
115 void update_supported_bands(struct wil6210_priv *wil)
116 {
117         struct wiphy *wiphy = wil_to_wiphy(wil);
118
119         wil_dbg_misc(wil, "update supported bands");
120
121         wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
122                                                 wil_num_supported_channels(wil);
123
124         if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) {
125                 wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels =
126                                                         WIL_EDMG_CHANNELS;
127                 wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.bw_config =
128                                                       WIL_EDMG_BW_CONFIGURATION;
129         }
130 }
131
132 /* Vendor id to be used in vendor specific command and events
133  * to user space.
134  * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
135  * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
136  * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
137  * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
138  */
139
140 #define QCA_NL80211_VENDOR_ID   0x001374
141
142 #define WIL_MAX_RF_SECTORS (128)
143 #define WIL_CID_ALL (0xff)
144
145 enum qca_wlan_vendor_attr_rf_sector {
146         QCA_ATTR_MAC_ADDR = 6,
147         QCA_ATTR_PAD = 13,
148         QCA_ATTR_TSF = 29,
149         QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
150         QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
151         QCA_ATTR_DMG_RF_MODULE_MASK = 32,
152         QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
153         QCA_ATTR_DMG_RF_SECTOR_MAX,
154 };
155
156 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
157         QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
158         QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
159         QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
160 };
161
162 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
163         QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
164         QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
165         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
166         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
167         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
168         QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
169         QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
170         QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
171
172         /* keep last */
173         QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
174         QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
175         QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
176 };
177
178 static const struct
179 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
180         [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
181         [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
182         [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
183         [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
184         [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
185 };
186
187 static const struct
188 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
189         [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
190         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
191         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
192         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
193         [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
194         [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
195         [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
196 };
197
198 enum qca_nl80211_vendor_subcmds {
199         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
200         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
201         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
202         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
203 };
204
205 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
206                                  struct wireless_dev *wdev,
207                                  const void *data, int data_len);
208 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
209                                  struct wireless_dev *wdev,
210                                  const void *data, int data_len);
211 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
212                                       struct wireless_dev *wdev,
213                                       const void *data, int data_len);
214 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
215                                       struct wireless_dev *wdev,
216                                       const void *data, int data_len);
217
218 /* vendor specific commands */
219 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
220         {
221                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
222                 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
223                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
224                          WIPHY_VENDOR_CMD_NEED_RUNNING,
225                 .policy = wil_rf_sector_policy,
226                 .doit = wil_rf_sector_get_cfg
227         },
228         {
229                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
230                 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
231                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
232                          WIPHY_VENDOR_CMD_NEED_RUNNING,
233                 .policy = wil_rf_sector_policy,
234                 .doit = wil_rf_sector_set_cfg
235         },
236         {
237                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
238                 .info.subcmd =
239                         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
240                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
241                          WIPHY_VENDOR_CMD_NEED_RUNNING,
242                 .policy = wil_rf_sector_policy,
243                 .doit = wil_rf_sector_get_selected
244         },
245         {
246                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
247                 .info.subcmd =
248                         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
249                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
250                          WIPHY_VENDOR_CMD_NEED_RUNNING,
251                 .policy = wil_rf_sector_policy,
252                 .doit = wil_rf_sector_set_selected
253         },
254 };
255
256 static struct ieee80211_supported_band wil_band_60ghz = {
257         .channels = wil_60ghz_channels,
258         .n_channels = ARRAY_SIZE(wil_60ghz_channels),
259         .ht_cap = {
260                 .ht_supported = true,
261                 .cap = 0, /* TODO */
262                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
263                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
264                 .mcs = {
265                                 /* MCS 1..12 - SC PHY */
266                         .rx_mask = {0xfe, 0x1f}, /* 1..12 */
267                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
268                 },
269         },
270 };
271
272 static const struct ieee80211_txrx_stypes
273 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
274         [NL80211_IFTYPE_STATION] = {
275                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
276                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
277                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
278                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
279         },
280         [NL80211_IFTYPE_AP] = {
281                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
282                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
283                 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
284                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
285                 BIT(IEEE80211_STYPE_AUTH >> 4) |
286                 BIT(IEEE80211_STYPE_REASSOC_RESP >> 4),
287                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
288                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
289                 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
290                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
291                 BIT(IEEE80211_STYPE_AUTH >> 4) |
292                 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
293                 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
294         },
295         [NL80211_IFTYPE_P2P_CLIENT] = {
296                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
297                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
298                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
299                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
300         },
301         [NL80211_IFTYPE_P2P_GO] = {
302                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
303                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
304                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
305                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
306         },
307         [NL80211_IFTYPE_P2P_DEVICE] = {
308                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
309                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
310                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
311                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
312         },
313 };
314
315 static const u32 wil_cipher_suites[] = {
316         WLAN_CIPHER_SUITE_GCMP,
317 };
318
319 static const char * const key_usage_str[] = {
320         [WMI_KEY_USE_PAIRWISE]  = "PTK",
321         [WMI_KEY_USE_RX_GROUP]  = "RX_GTK",
322         [WMI_KEY_USE_TX_GROUP]  = "TX_GTK",
323         [WMI_KEY_USE_STORE_PTK] = "STORE_PTK",
324         [WMI_KEY_USE_APPLY_PTK] = "APPLY_PTK",
325 };
326
327 int wil_iftype_nl2wmi(enum nl80211_iftype type)
328 {
329         static const struct {
330                 enum nl80211_iftype nl;
331                 enum wmi_network_type wmi;
332         } __nl2wmi[] = {
333                 {NL80211_IFTYPE_ADHOC,          WMI_NETTYPE_ADHOC},
334                 {NL80211_IFTYPE_STATION,        WMI_NETTYPE_INFRA},
335                 {NL80211_IFTYPE_AP,             WMI_NETTYPE_AP},
336                 {NL80211_IFTYPE_P2P_CLIENT,     WMI_NETTYPE_P2P},
337                 {NL80211_IFTYPE_P2P_GO,         WMI_NETTYPE_P2P},
338                 {NL80211_IFTYPE_MONITOR,        WMI_NETTYPE_ADHOC}, /* FIXME */
339         };
340         uint i;
341
342         for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
343                 if (__nl2wmi[i].nl == type)
344                         return __nl2wmi[i].wmi;
345         }
346
347         return -EOPNOTSUPP;
348 }
349
350 int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch)
351 {
352         switch (spec_ch) {
353         case 1:
354                 *wmi_ch = WMI_CHANNEL_1;
355                 break;
356         case 2:
357                 *wmi_ch = WMI_CHANNEL_2;
358                 break;
359         case 3:
360                 *wmi_ch = WMI_CHANNEL_3;
361                 break;
362         case 4:
363                 *wmi_ch = WMI_CHANNEL_4;
364                 break;
365         case 5:
366                 *wmi_ch = WMI_CHANNEL_5;
367                 break;
368         case 6:
369                 *wmi_ch = WMI_CHANNEL_6;
370                 break;
371         case 9:
372                 *wmi_ch = WMI_CHANNEL_9;
373                 break;
374         case 10:
375                 *wmi_ch = WMI_CHANNEL_10;
376                 break;
377         case 11:
378                 *wmi_ch = WMI_CHANNEL_11;
379                 break;
380         case 12:
381                 *wmi_ch = WMI_CHANNEL_12;
382                 break;
383         default:
384                 return -EINVAL;
385         }
386
387         return 0;
388 }
389
390 int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch)
391 {
392         switch (wmi_ch) {
393         case WMI_CHANNEL_1:
394                 *spec_ch = 1;
395                 break;
396         case WMI_CHANNEL_2:
397                 *spec_ch = 2;
398                 break;
399         case WMI_CHANNEL_3:
400                 *spec_ch = 3;
401                 break;
402         case WMI_CHANNEL_4:
403                 *spec_ch = 4;
404                 break;
405         case WMI_CHANNEL_5:
406                 *spec_ch = 5;
407                 break;
408         case WMI_CHANNEL_6:
409                 *spec_ch = 6;
410                 break;
411         case WMI_CHANNEL_9:
412                 *spec_ch = 9;
413                 break;
414         case WMI_CHANNEL_10:
415                 *spec_ch = 10;
416                 break;
417         case WMI_CHANNEL_11:
418                 *spec_ch = 11;
419                 break;
420         case WMI_CHANNEL_12:
421                 *spec_ch = 12;
422                 break;
423         default:
424                 return -EINVAL;
425         }
426
427         return 0;
428 }
429
430 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
431                        struct station_info *sinfo)
432 {
433         struct wil6210_priv *wil = vif_to_wil(vif);
434         struct wmi_notify_req_cmd cmd = {
435                 .cid = cid,
436                 .interval_usec = 0,
437         };
438         struct {
439                 struct wmi_cmd_hdr wmi;
440                 struct wmi_notify_req_done_event evt;
441         } __packed reply;
442         struct wil_net_stats *stats = &wil->sta[cid].stats;
443         int rc;
444         u8 tx_mcs, rx_mcs;
445         u8 tx_rate_flag = RATE_INFO_FLAGS_DMG;
446         u8 rx_rate_flag = RATE_INFO_FLAGS_DMG;
447
448         memset(&reply, 0, sizeof(reply));
449
450         rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd),
451                       WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply),
452                       WIL_WMI_CALL_GENERAL_TO_MS);
453         if (rc)
454                 return rc;
455
456         tx_mcs = le16_to_cpu(reply.evt.bf_mcs);
457
458         wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
459                     "  MCS %s TSF 0x%016llx\n"
460                     "  BF status 0x%08x RSSI %d SQI %d%%\n"
461                     "  Tx Tpt %d goodput %d Rx goodput %d\n"
462                     "  Sectors(rx:tx) my %d:%d peer %d:%d\n"
463                     "  Tx mode %d}\n",
464                     cid, vif->mid, WIL_EXTENDED_MCS_CHECK(tx_mcs),
465                     le64_to_cpu(reply.evt.tsf), reply.evt.status,
466                     reply.evt.rssi,
467                     reply.evt.sqi,
468                     le32_to_cpu(reply.evt.tx_tpt),
469                     le32_to_cpu(reply.evt.tx_goodput),
470                     le32_to_cpu(reply.evt.rx_goodput),
471                     le16_to_cpu(reply.evt.my_rx_sector),
472                     le16_to_cpu(reply.evt.my_tx_sector),
473                     le16_to_cpu(reply.evt.other_rx_sector),
474                     le16_to_cpu(reply.evt.other_tx_sector),
475                     reply.evt.tx_mode);
476
477         sinfo->generation = wil->sinfo_gen;
478
479         sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
480                         BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
481                         BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
482                         BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
483                         BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
484                         BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
485                         BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
486                         BIT_ULL(NL80211_STA_INFO_TX_FAILED);
487
488         if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG) {
489                 tx_rate_flag = RATE_INFO_FLAGS_EDMG;
490                 rx_rate_flag = RATE_INFO_FLAGS_EDMG;
491         }
492
493         rx_mcs = stats->last_mcs_rx;
494
495         /* check extended MCS (12.1) and convert it into
496          * base MCS (7) + EXTENDED_SC_DMG flag
497          */
498         if (tx_mcs == WIL_EXTENDED_MCS_26) {
499                 tx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
500                 tx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
501         }
502         if (rx_mcs == WIL_EXTENDED_MCS_26) {
503                 rx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
504                 rx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
505         }
506
507         sinfo->txrate.flags = tx_rate_flag;
508         sinfo->rxrate.flags = rx_rate_flag;
509         sinfo->txrate.mcs = tx_mcs;
510         sinfo->rxrate.mcs = rx_mcs;
511
512         sinfo->txrate.n_bonded_ch =
513                                   wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
514         sinfo->rxrate.n_bonded_ch =
515                              wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_rx);
516         sinfo->rx_bytes = stats->rx_bytes;
517         sinfo->rx_packets = stats->rx_packets;
518         sinfo->rx_dropped_misc = stats->rx_dropped;
519         sinfo->tx_bytes = stats->tx_bytes;
520         sinfo->tx_packets = stats->tx_packets;
521         sinfo->tx_failed = stats->tx_errors;
522
523         if (test_bit(wil_vif_fwconnected, vif->status)) {
524                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
525                 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
526                              wil->fw_capabilities))
527                         sinfo->signal = reply.evt.rssi;
528                 else
529                         sinfo->signal = reply.evt.sqi;
530         }
531
532         return rc;
533 }
534
535 static int wil_cfg80211_get_station(struct wiphy *wiphy,
536                                     struct net_device *ndev,
537                                     const u8 *mac, struct station_info *sinfo)
538 {
539         struct wil6210_vif *vif = ndev_to_vif(ndev);
540         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
541         int rc;
542
543         int cid = wil_find_cid(wil, vif->mid, mac);
544
545         wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
546                      vif->mid);
547         if (!wil_cid_valid(wil, cid))
548                 return -ENOENT;
549
550         rc = wil_cid_fill_sinfo(vif, cid, sinfo);
551
552         return rc;
553 }
554
555 /*
556  * Find @idx-th active STA for specific MID for station dump.
557  */
558 int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
559 {
560         int i;
561
562         for (i = 0; i < wil->max_assoc_sta; i++) {
563                 if (wil->sta[i].status == wil_sta_unused)
564                         continue;
565                 if (wil->sta[i].mid != mid)
566                         continue;
567                 if (idx == 0)
568                         return i;
569                 idx--;
570         }
571
572         return -ENOENT;
573 }
574
575 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
576                                      struct net_device *dev, int idx,
577                                      u8 *mac, struct station_info *sinfo)
578 {
579         struct wil6210_vif *vif = ndev_to_vif(dev);
580         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
581         int rc;
582         int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
583
584         if (!wil_cid_valid(wil, cid))
585                 return -ENOENT;
586
587         ether_addr_copy(mac, wil->sta[cid].addr);
588         wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
589                      vif->mid);
590
591         rc = wil_cid_fill_sinfo(vif, cid, sinfo);
592
593         return rc;
594 }
595
596 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
597                                          struct wireless_dev *wdev)
598 {
599         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
600
601         wil_dbg_misc(wil, "start_p2p_device: entered\n");
602         wil->p2p_dev_started = 1;
603         return 0;
604 }
605
606 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
607                                          struct wireless_dev *wdev)
608 {
609         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
610
611         if (!wil->p2p_dev_started)
612                 return;
613
614         wil_dbg_misc(wil, "stop_p2p_device: entered\n");
615         mutex_lock(&wil->mutex);
616         mutex_lock(&wil->vif_mutex);
617         wil_p2p_stop_radio_operations(wil);
618         wil->p2p_dev_started = 0;
619         mutex_unlock(&wil->vif_mutex);
620         mutex_unlock(&wil->mutex);
621 }
622
623 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
624                                            enum nl80211_iftype new_type)
625 {
626         int i;
627         struct wireless_dev *wdev;
628         struct iface_combination_params params = {
629                 .num_different_channels = 1,
630         };
631
632         for (i = 0; i < GET_MAX_VIFS(wil); i++) {
633                 if (wil->vifs[i]) {
634                         wdev = vif_to_wdev(wil->vifs[i]);
635                         params.iftype_num[wdev->iftype]++;
636                 }
637         }
638         params.iftype_num[new_type]++;
639         return cfg80211_check_combinations(wil->wiphy, &params);
640 }
641
642 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
643                                               struct wil6210_vif *vif,
644                                               enum nl80211_iftype new_type)
645 {
646         int i, ret = 0;
647         struct wireless_dev *wdev;
648         struct iface_combination_params params = {
649                 .num_different_channels = 1,
650         };
651         bool check_combos = false;
652
653         for (i = 0; i < GET_MAX_VIFS(wil); i++) {
654                 struct wil6210_vif *vif_pos = wil->vifs[i];
655
656                 if (vif_pos && vif != vif_pos) {
657                         wdev = vif_to_wdev(vif_pos);
658                         params.iftype_num[wdev->iftype]++;
659                         check_combos = true;
660                 }
661         }
662
663         if (check_combos) {
664                 params.iftype_num[new_type]++;
665                 ret = cfg80211_check_combinations(wil->wiphy, &params);
666         }
667         return ret;
668 }
669
670 static struct wireless_dev *
671 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
672                        unsigned char name_assign_type,
673                        enum nl80211_iftype type,
674                        struct vif_params *params)
675 {
676         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
677         struct net_device *ndev_main = wil->main_ndev, *ndev;
678         struct wil6210_vif *vif;
679         struct wireless_dev *p2p_wdev, *wdev;
680         int rc;
681
682         wil_dbg_misc(wil, "add_iface, type %d\n", type);
683
684         /* P2P device is not a real virtual interface, it is a management-only
685          * interface that shares the main interface.
686          * Skip concurrency checks here.
687          */
688         if (type == NL80211_IFTYPE_P2P_DEVICE) {
689                 if (wil->p2p_wdev) {
690                         wil_err(wil, "P2P_DEVICE interface already created\n");
691                         return ERR_PTR(-EINVAL);
692                 }
693
694                 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
695                 if (!p2p_wdev)
696                         return ERR_PTR(-ENOMEM);
697
698                 p2p_wdev->iftype = type;
699                 p2p_wdev->wiphy = wiphy;
700                 /* use our primary ethernet address */
701                 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
702
703                 wil->p2p_wdev = p2p_wdev;
704
705                 return p2p_wdev;
706         }
707
708         if (!wil->wiphy->n_iface_combinations) {
709                 wil_err(wil, "virtual interfaces not supported\n");
710                 return ERR_PTR(-EINVAL);
711         }
712
713         rc = wil_cfg80211_validate_add_iface(wil, type);
714         if (rc) {
715                 wil_err(wil, "iface validation failed, err=%d\n", rc);
716                 return ERR_PTR(rc);
717         }
718
719         vif = wil_vif_alloc(wil, name, name_assign_type, type);
720         if (IS_ERR(vif))
721                 return ERR_CAST(vif);
722
723         ndev = vif_to_ndev(vif);
724         ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
725         if (is_valid_ether_addr(params->macaddr)) {
726                 eth_hw_addr_set(ndev, params->macaddr);
727         } else {
728                 u8 addr[ETH_ALEN];
729
730                 ether_addr_copy(addr, ndev_main->perm_addr);
731                 addr[0] = (addr[0] ^ (1 << vif->mid)) | 0x2; /* locally administered */
732                 eth_hw_addr_set(ndev, addr);
733         }
734         wdev = vif_to_wdev(vif);
735         ether_addr_copy(wdev->address, ndev->dev_addr);
736
737         rc = wil_vif_add(wil, vif);
738         if (rc)
739                 goto out;
740
741         wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
742                  vif->mid, type, wdev->address);
743         return wdev;
744 out:
745         wil_vif_free(vif);
746         return ERR_PTR(rc);
747 }
748
749 int wil_vif_prepare_stop(struct wil6210_vif *vif)
750 {
751         struct wil6210_priv *wil = vif_to_wil(vif);
752         struct wireless_dev *wdev = vif_to_wdev(vif);
753         struct net_device *ndev;
754         int rc;
755
756         if (wdev->iftype != NL80211_IFTYPE_AP)
757                 return 0;
758
759         ndev = vif_to_ndev(vif);
760         if (netif_carrier_ok(ndev)) {
761                 rc = wmi_pcp_stop(vif);
762                 if (rc) {
763                         wil_info(wil, "failed to stop AP, status %d\n",
764                                  rc);
765                         /* continue */
766                 }
767                 wil_bcast_fini(vif);
768                 netif_carrier_off(ndev);
769         }
770
771         return 0;
772 }
773
774 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
775                                   struct wireless_dev *wdev)
776 {
777         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
778         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
779         int rc;
780
781         wil_dbg_misc(wil, "del_iface\n");
782
783         if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
784                 if (wdev != wil->p2p_wdev) {
785                         wil_err(wil, "delete of incorrect interface 0x%p\n",
786                                 wdev);
787                         return -EINVAL;
788                 }
789
790                 wil_cfg80211_stop_p2p_device(wiphy, wdev);
791                 wil_p2p_wdev_free(wil);
792                 return 0;
793         }
794
795         if (vif->mid == 0) {
796                 wil_err(wil, "cannot remove the main interface\n");
797                 return -EINVAL;
798         }
799
800         rc = wil_vif_prepare_stop(vif);
801         if (rc)
802                 goto out;
803
804         wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
805                  vif->mid, wdev->iftype, wdev->address);
806
807         wil_vif_remove(wil, vif->mid);
808 out:
809         return rc;
810 }
811
812 static bool wil_is_safe_switch(enum nl80211_iftype from,
813                                enum nl80211_iftype to)
814 {
815         if (from == NL80211_IFTYPE_STATION &&
816             to == NL80211_IFTYPE_P2P_CLIENT)
817                 return true;
818
819         return false;
820 }
821
822 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
823                                      struct net_device *ndev,
824                                      enum nl80211_iftype type,
825                                      struct vif_params *params)
826 {
827         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
828         struct wil6210_vif *vif = ndev_to_vif(ndev);
829         struct wireless_dev *wdev = vif_to_wdev(vif);
830         int rc;
831         bool fw_reset = false;
832
833         wil_dbg_misc(wil, "change_iface: type=%d\n", type);
834
835         if (wiphy->n_iface_combinations) {
836                 rc = wil_cfg80211_validate_change_iface(wil, vif, type);
837                 if (rc) {
838                         wil_err(wil, "iface validation failed, err=%d\n", rc);
839                         return rc;
840                 }
841         }
842
843         /* do not reset FW when there are active VIFs,
844          * because it can cause significant disruption
845          */
846         if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
847             netif_running(ndev) && !wil_is_recovery_blocked(wil) &&
848             !wil_is_safe_switch(wdev->iftype, type)) {
849                 wil_dbg_misc(wil, "interface is up. resetting...\n");
850                 mutex_lock(&wil->mutex);
851                 __wil_down(wil);
852                 rc = __wil_up(wil);
853                 mutex_unlock(&wil->mutex);
854
855                 if (rc)
856                         return rc;
857                 fw_reset = true;
858         }
859
860         switch (type) {
861         case NL80211_IFTYPE_STATION:
862         case NL80211_IFTYPE_AP:
863         case NL80211_IFTYPE_P2P_CLIENT:
864         case NL80211_IFTYPE_P2P_GO:
865                 break;
866         case NL80211_IFTYPE_MONITOR:
867                 if (params->flags)
868                         wil->monitor_flags = params->flags;
869                 break;
870         default:
871                 return -EOPNOTSUPP;
872         }
873
874         if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
875                 if (!fw_reset)
876                         wil_vif_prepare_stop(vif);
877                 rc = wmi_port_delete(wil, vif->mid);
878                 if (rc)
879                         return rc;
880                 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
881                 if (rc)
882                         return rc;
883         }
884
885         wdev->iftype = type;
886         return 0;
887 }
888
889 static int wil_cfg80211_scan(struct wiphy *wiphy,
890                              struct cfg80211_scan_request *request)
891 {
892         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
893         struct wireless_dev *wdev = request->wdev;
894         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
895         struct {
896                 struct wmi_start_scan_cmd cmd;
897                 u16 chnl[4];
898         } __packed cmd;
899         uint i, n;
900         int rc;
901
902         wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
903
904         /* scan is supported on client interfaces and on AP interface */
905         switch (wdev->iftype) {
906         case NL80211_IFTYPE_STATION:
907         case NL80211_IFTYPE_P2P_CLIENT:
908         case NL80211_IFTYPE_P2P_DEVICE:
909         case NL80211_IFTYPE_AP:
910                 break;
911         default:
912                 return -EOPNOTSUPP;
913         }
914
915         /* FW don't support scan after connection attempt */
916         if (test_bit(wil_status_dontscan, wil->status)) {
917                 wil_err(wil, "Can't scan now\n");
918                 return -EBUSY;
919         }
920
921         mutex_lock(&wil->mutex);
922
923         mutex_lock(&wil->vif_mutex);
924         if (vif->scan_request || vif->p2p.discovery_started) {
925                 wil_err(wil, "Already scanning\n");
926                 mutex_unlock(&wil->vif_mutex);
927                 rc = -EAGAIN;
928                 goto out;
929         }
930         mutex_unlock(&wil->vif_mutex);
931
932         if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
933                 if (!wil->p2p_dev_started) {
934                         wil_err(wil, "P2P search requested on stopped P2P device\n");
935                         rc = -EIO;
936                         goto out;
937                 }
938                 /* social scan on P2P_DEVICE is handled as p2p search */
939                 if (wil_p2p_is_social_scan(request)) {
940                         vif->scan_request = request;
941                         if (vif->mid == 0)
942                                 wil->radio_wdev = wdev;
943                         rc = wil_p2p_search(vif, request);
944                         if (rc) {
945                                 if (vif->mid == 0)
946                                         wil->radio_wdev =
947                                                 wil->main_ndev->ieee80211_ptr;
948                                 vif->scan_request = NULL;
949                         }
950                         goto out;
951                 }
952         }
953
954         (void)wil_p2p_stop_discovery(vif);
955
956         wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
957         wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
958
959         for (i = 0; i < request->n_ssids; i++) {
960                 wil_dbg_misc(wil, "SSID[%d]", i);
961                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
962                                   request->ssids[i].ssid,
963                                   request->ssids[i].ssid_len, true);
964         }
965
966         if (request->n_ssids)
967                 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
968                                   request->ssids[0].ssid);
969         else
970                 rc = wmi_set_ssid(vif, 0, NULL);
971
972         if (rc) {
973                 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
974                 goto out;
975         }
976
977         vif->scan_request = request;
978         mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO);
979
980         memset(&cmd, 0, sizeof(cmd));
981         cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
982         cmd.cmd.num_channels = 0;
983         n = min(request->n_channels, 4U);
984         for (i = 0; i < n; i++) {
985                 int ch = request->channels[i]->hw_value;
986
987                 if (ch == 0) {
988                         wil_err(wil,
989                                 "Scan requested for unknown frequency %dMhz\n",
990                                 request->channels[i]->center_freq);
991                         continue;
992                 }
993                 /* 0-based channel indexes */
994                 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
995                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
996                              request->channels[i]->center_freq);
997         }
998
999         if (request->ie_len)
1000                 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
1001                                   request->ie, request->ie_len, true);
1002         else
1003                 wil_dbg_misc(wil, "Scan has no IE's\n");
1004
1005         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
1006                         request->ie_len, request->ie);
1007         if (rc)
1008                 goto out_restore;
1009
1010         if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
1011                 cmd.cmd.discovery_mode = 1;
1012                 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
1013         }
1014
1015         if (vif->mid == 0)
1016                 wil->radio_wdev = wdev;
1017         rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
1018                       &cmd, sizeof(cmd.cmd) +
1019                       cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
1020
1021 out_restore:
1022         if (rc) {
1023                 del_timer_sync(&vif->scan_timer);
1024                 if (vif->mid == 0)
1025                         wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
1026                 vif->scan_request = NULL;
1027         }
1028 out:
1029         mutex_unlock(&wil->mutex);
1030         return rc;
1031 }
1032
1033 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
1034                                     struct wireless_dev *wdev)
1035 {
1036         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1037         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1038
1039         wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
1040
1041         mutex_lock(&wil->mutex);
1042         mutex_lock(&wil->vif_mutex);
1043
1044         if (!vif->scan_request)
1045                 goto out;
1046
1047         if (wdev != vif->scan_request->wdev) {
1048                 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
1049                 goto out;
1050         }
1051
1052         if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
1053                 wil_p2p_stop_radio_operations(wil);
1054         else
1055                 wil_abort_scan(vif, true);
1056
1057 out:
1058         mutex_unlock(&wil->vif_mutex);
1059         mutex_unlock(&wil->mutex);
1060 }
1061
1062 static void wil_print_crypto(struct wil6210_priv *wil,
1063                              struct cfg80211_crypto_settings *c)
1064 {
1065         int i, n;
1066
1067         wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
1068                      c->wpa_versions, c->cipher_group);
1069         wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
1070         n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
1071         for (i = 0; i < n; i++)
1072                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
1073                              c->ciphers_pairwise[i]);
1074         wil_dbg_misc(wil, "}\n");
1075         wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
1076         n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
1077         for (i = 0; i < n; i++)
1078                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
1079                              c->akm_suites[i]);
1080         wil_dbg_misc(wil, "}\n");
1081         wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
1082                      c->control_port, be16_to_cpu(c->control_port_ethertype),
1083                      c->control_port_no_encrypt);
1084 }
1085
1086 static const char *
1087 wil_get_auth_type_name(enum nl80211_auth_type auth_type)
1088 {
1089         switch (auth_type) {
1090         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1091                 return "OPEN_SYSTEM";
1092         case NL80211_AUTHTYPE_SHARED_KEY:
1093                 return "SHARED_KEY";
1094         case NL80211_AUTHTYPE_FT:
1095                 return "FT";
1096         case NL80211_AUTHTYPE_NETWORK_EAP:
1097                 return "NETWORK_EAP";
1098         case NL80211_AUTHTYPE_SAE:
1099                 return "SAE";
1100         case NL80211_AUTHTYPE_AUTOMATIC:
1101                 return "AUTOMATIC";
1102         default:
1103                 return "unknown";
1104         }
1105 }
1106 static void wil_print_connect_params(struct wil6210_priv *wil,
1107                                      struct cfg80211_connect_params *sme)
1108 {
1109         wil_info(wil, "Connecting to:\n");
1110         if (sme->channel) {
1111                 wil_info(wil, "  Channel: %d freq %d\n",
1112                          sme->channel->hw_value, sme->channel->center_freq);
1113         }
1114         if (sme->bssid)
1115                 wil_info(wil, "  BSSID: %pM\n", sme->bssid);
1116         if (sme->ssid)
1117                 print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
1118                                16, 1, sme->ssid, sme->ssid_len, true);
1119         if (sme->prev_bssid)
1120                 wil_info(wil, "  Previous BSSID=%pM\n", sme->prev_bssid);
1121         wil_info(wil, "  Auth Type: %s\n",
1122                  wil_get_auth_type_name(sme->auth_type));
1123         wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
1124         wil_info(wil, "  PBSS: %d\n", sme->pbss);
1125         wil_print_crypto(wil, &sme->crypto);
1126 }
1127
1128 static int wil_ft_connect(struct wiphy *wiphy,
1129                           struct net_device *ndev,
1130                           struct cfg80211_connect_params *sme)
1131 {
1132         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1133         struct wil6210_vif *vif = ndev_to_vif(ndev);
1134         struct wmi_ft_auth_cmd auth_cmd;
1135         int rc;
1136
1137         if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
1138                 wil_err(wil, "FT: FW does not support FT roaming\n");
1139                 return -EOPNOTSUPP;
1140         }
1141
1142         if (!sme->prev_bssid) {
1143                 wil_err(wil, "FT: prev_bssid was not set\n");
1144                 return -EINVAL;
1145         }
1146
1147         if (ether_addr_equal(sme->prev_bssid, sme->bssid)) {
1148                 wil_err(wil, "FT: can not roam to same AP\n");
1149                 return -EINVAL;
1150         }
1151
1152         if (!test_bit(wil_vif_fwconnected, vif->status)) {
1153                 wil_err(wil, "FT: roam while not connected\n");
1154                 return -EINVAL;
1155         }
1156
1157         if (vif->privacy != sme->privacy) {
1158                 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n",
1159                         vif->privacy, sme->privacy);
1160                 return -EINVAL;
1161         }
1162
1163         if (sme->pbss) {
1164                 wil_err(wil, "FT: roam is not valid for PBSS\n");
1165                 return -EINVAL;
1166         }
1167
1168         memset(&auth_cmd, 0, sizeof(auth_cmd));
1169         auth_cmd.channel = sme->channel->hw_value - 1;
1170         ether_addr_copy(auth_cmd.bssid, sme->bssid);
1171
1172         wil_info(wil, "FT: roaming\n");
1173
1174         set_bit(wil_vif_ft_roam, vif->status);
1175         rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid,
1176                       &auth_cmd, sizeof(auth_cmd));
1177         if (rc == 0)
1178                 mod_timer(&vif->connect_timer,
1179                           jiffies + msecs_to_jiffies(5000));
1180         else
1181                 clear_bit(wil_vif_ft_roam, vif->status);
1182
1183         return rc;
1184 }
1185
1186 static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config,
1187                                     u8 edmg_channels, u8 *wmi_ch)
1188 {
1189         if (!edmg_bw_config) {
1190                 *wmi_ch = 0;
1191                 return 0;
1192         } else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) {
1193                 /* convert from edmg channel bitmap into edmg channel number */
1194                 switch (edmg_channels) {
1195                 case WIL_EDMG_CHANNEL_9_SUBCHANNELS:
1196                         return wil_spec2wmi_ch(9, wmi_ch);
1197                 case WIL_EDMG_CHANNEL_10_SUBCHANNELS:
1198                         return wil_spec2wmi_ch(10, wmi_ch);
1199                 case WIL_EDMG_CHANNEL_11_SUBCHANNELS:
1200                         return wil_spec2wmi_ch(11, wmi_ch);
1201                 default:
1202                         wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n",
1203                                 edmg_channels);
1204                         return -EINVAL;
1205                 }
1206         } else {
1207                 wil_err(wil, "Unsupported EDMG BW configuration %d\n",
1208                         edmg_bw_config);
1209                 return -EINVAL;
1210         }
1211 }
1212
1213 static int wil_cfg80211_connect(struct wiphy *wiphy,
1214                                 struct net_device *ndev,
1215                                 struct cfg80211_connect_params *sme)
1216 {
1217         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1218         struct wil6210_vif *vif = ndev_to_vif(ndev);
1219         struct cfg80211_bss *bss;
1220         struct wmi_connect_cmd conn;
1221         const u8 *ssid_eid;
1222         const u8 *rsn_eid;
1223         int ch;
1224         int rc = 0;
1225         bool is_ft_roam = false;
1226         u8 network_type;
1227         enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
1228
1229         wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
1230         wil_print_connect_params(wil, sme);
1231
1232         if (sme->auth_type == NL80211_AUTHTYPE_FT)
1233                 is_ft_roam = true;
1234         if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC &&
1235             test_bit(wil_vif_fwconnected, vif->status))
1236                 is_ft_roam = true;
1237
1238         if (!is_ft_roam)
1239                 if (test_bit(wil_vif_fwconnecting, vif->status) ||
1240                     test_bit(wil_vif_fwconnected, vif->status))
1241                         return -EALREADY;
1242
1243         if (sme->ie_len > WMI_MAX_IE_LEN) {
1244                 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
1245                 return -ERANGE;
1246         }
1247
1248         rsn_eid = sme->ie ?
1249                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
1250                         NULL;
1251         if (sme->privacy && !rsn_eid) {
1252                 wil_info(wil, "WSC connection\n");
1253                 if (is_ft_roam) {
1254                         wil_err(wil, "No WSC with FT roam\n");
1255                         return -EINVAL;
1256                 }
1257         }
1258
1259         if (sme->pbss)
1260                 bss_type = IEEE80211_BSS_TYPE_PBSS;
1261
1262         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
1263                                sme->ssid, sme->ssid_len,
1264                                bss_type, IEEE80211_PRIVACY_ANY);
1265         if (!bss) {
1266                 wil_err(wil, "Unable to find BSS\n");
1267                 return -ENOENT;
1268         }
1269
1270         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
1271         if (!ssid_eid) {
1272                 wil_err(wil, "No SSID\n");
1273                 rc = -ENOENT;
1274                 goto out;
1275         }
1276         vif->privacy = sme->privacy;
1277         vif->pbss = sme->pbss;
1278
1279         rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
1280         if (rc)
1281                 goto out;
1282
1283         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
1284         case WLAN_CAPABILITY_DMG_TYPE_AP:
1285                 network_type = WMI_NETTYPE_INFRA;
1286                 break;
1287         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
1288                 network_type = WMI_NETTYPE_P2P;
1289                 break;
1290         default:
1291                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
1292                         bss->capability);
1293                 rc = -EINVAL;
1294                 goto out;
1295         }
1296
1297         ch = bss->channel->hw_value;
1298         if (ch == 0) {
1299                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
1300                         bss->channel->center_freq);
1301                 rc = -EOPNOTSUPP;
1302                 goto out;
1303         }
1304
1305         if (is_ft_roam) {
1306                 if (network_type != WMI_NETTYPE_INFRA) {
1307                         wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n",
1308                                 bss->capability);
1309                         rc = -EINVAL;
1310                         goto out;
1311                 }
1312                 rc = wil_ft_connect(wiphy, ndev, sme);
1313                 if (rc == 0)
1314                         vif->bss = bss;
1315                 goto out;
1316         }
1317
1318         if (vif->privacy) {
1319                 /* For secure assoc, remove old keys */
1320                 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1321                                         WMI_KEY_USE_PAIRWISE);
1322                 if (rc) {
1323                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
1324                         goto out;
1325                 }
1326                 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1327                                         WMI_KEY_USE_RX_GROUP);
1328                 if (rc) {
1329                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
1330                         goto out;
1331                 }
1332         }
1333
1334         /* WMI_CONNECT_CMD */
1335         memset(&conn, 0, sizeof(conn));
1336         conn.network_type = network_type;
1337         if (vif->privacy) {
1338                 if (rsn_eid) { /* regular secure connection */
1339                         conn.dot11_auth_mode = WMI_AUTH11_SHARED;
1340                         conn.auth_mode = WMI_AUTH_WPA2_PSK;
1341                         conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
1342                         conn.pairwise_crypto_len = 16;
1343                         conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
1344                         conn.group_crypto_len = 16;
1345                 } else { /* WSC */
1346                         conn.dot11_auth_mode = WMI_AUTH11_WSC;
1347                         conn.auth_mode = WMI_AUTH_NONE;
1348                 }
1349         } else { /* insecure connection */
1350                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
1351                 conn.auth_mode = WMI_AUTH_NONE;
1352         }
1353
1354         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
1355         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
1356         conn.channel = ch - 1;
1357
1358         rc = wil_get_wmi_edmg_channel(wil, sme->edmg.bw_config,
1359                                       sme->edmg.channels, &conn.edmg_channel);
1360         if (rc < 0)
1361                 return rc;
1362
1363         ether_addr_copy(conn.bssid, bss->bssid);
1364         ether_addr_copy(conn.dst_mac, bss->bssid);
1365
1366         set_bit(wil_vif_fwconnecting, vif->status);
1367
1368         rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
1369         if (rc == 0) {
1370                 netif_carrier_on(ndev);
1371                 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1372                         wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1373                 vif->bss = bss;
1374                 /* Connect can take lots of time */
1375                 mod_timer(&vif->connect_timer,
1376                           jiffies + msecs_to_jiffies(5000));
1377         } else {
1378                 clear_bit(wil_vif_fwconnecting, vif->status);
1379         }
1380
1381  out:
1382         cfg80211_put_bss(wiphy, bss);
1383
1384         return rc;
1385 }
1386
1387 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
1388                                    struct net_device *ndev,
1389                                    u16 reason_code)
1390 {
1391         int rc;
1392         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1393         struct wil6210_vif *vif = ndev_to_vif(ndev);
1394
1395         wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
1396                      reason_code, vif->mid);
1397
1398         if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
1399               test_bit(wil_vif_fwconnected, vif->status))) {
1400                 wil_err(wil, "Disconnect was called while disconnected\n");
1401                 return 0;
1402         }
1403
1404         vif->locally_generated_disc = true;
1405         rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
1406                       WMI_DISCONNECT_EVENTID, NULL, 0,
1407                       WIL6210_DISCONNECT_TO_MS);
1408         if (rc)
1409                 wil_err(wil, "disconnect error %d\n", rc);
1410
1411         return rc;
1412 }
1413
1414 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1415 {
1416         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1417         int rc;
1418
1419         /* these parameters are explicitly not supported */
1420         if (changed & (WIPHY_PARAM_RETRY_LONG |
1421                        WIPHY_PARAM_FRAG_THRESHOLD |
1422                        WIPHY_PARAM_RTS_THRESHOLD))
1423                 return -ENOTSUPP;
1424
1425         if (changed & WIPHY_PARAM_RETRY_SHORT) {
1426                 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
1427                 if (rc)
1428                         return rc;
1429         }
1430
1431         return 0;
1432 }
1433
1434 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1435                          struct cfg80211_mgmt_tx_params *params,
1436                          u64 *cookie)
1437 {
1438         const u8 *buf = params->buf;
1439         size_t len = params->len;
1440         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1441         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1442         int rc;
1443         bool tx_status;
1444
1445         wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
1446                      params->chan ? params->chan->hw_value : -1,
1447                      params->offchan,
1448                      params->wait);
1449
1450         /* Note, currently we support the "wait" parameter only on AP mode.
1451          * In other modes, user-space must call remain_on_channel before
1452          * mgmt_tx or listen on a channel other than active one.
1453          */
1454
1455         if (params->chan && params->chan->hw_value == 0) {
1456                 wil_err(wil, "invalid channel\n");
1457                 return -EINVAL;
1458         }
1459
1460         if (wdev->iftype != NL80211_IFTYPE_AP) {
1461                 wil_dbg_misc(wil,
1462                              "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
1463                 rc = wmi_mgmt_tx(vif, buf, len);
1464                 goto out;
1465         }
1466
1467         if (!params->chan || params->chan->hw_value == vif->channel) {
1468                 wil_dbg_misc(wil,
1469                              "send WMI_SW_TX_REQ_CMDID for on-channel\n");
1470                 rc = wmi_mgmt_tx(vif, buf, len);
1471                 goto out;
1472         }
1473
1474         if (params->offchan == 0) {
1475                 wil_err(wil,
1476                         "invalid channel params: current %d requested %d, off-channel not allowed\n",
1477                         vif->channel, params->chan->hw_value);
1478                 return -EBUSY;
1479         }
1480
1481         /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
1482         rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
1483                              params->wait);
1484
1485 out:
1486         /* when the sent packet was not acked by receiver(ACK=0), rc will
1487          * be -EAGAIN. In this case this function needs to return success,
1488          * the ACK=0 will be reflected in tx_status.
1489          */
1490         tx_status = (rc == 0);
1491         rc = (rc == -EAGAIN) ? 0 : rc;
1492         cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
1493                                 tx_status, GFP_KERNEL);
1494
1495         return rc;
1496 }
1497
1498 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
1499                                     struct cfg80211_chan_def *chandef)
1500 {
1501         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1502
1503         wil->monitor_chandef = *chandef;
1504
1505         return 0;
1506 }
1507
1508 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
1509                                                bool pairwise)
1510 {
1511         struct wil6210_priv *wil = wdev_to_wil(wdev);
1512         enum wmi_key_usage rc;
1513
1514         if (pairwise) {
1515                 rc = WMI_KEY_USE_PAIRWISE;
1516         } else {
1517                 switch (wdev->iftype) {
1518                 case NL80211_IFTYPE_STATION:
1519                 case NL80211_IFTYPE_P2P_CLIENT:
1520                         rc = WMI_KEY_USE_RX_GROUP;
1521                         break;
1522                 case NL80211_IFTYPE_AP:
1523                 case NL80211_IFTYPE_P2P_GO:
1524                         rc = WMI_KEY_USE_TX_GROUP;
1525                         break;
1526                 default:
1527                         /* TODO: Rx GTK or Tx GTK? */
1528                         wil_err(wil, "Can't determine GTK type\n");
1529                         rc = WMI_KEY_USE_RX_GROUP;
1530                         break;
1531                 }
1532         }
1533         wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
1534
1535         return rc;
1536 }
1537
1538 static struct wil_sta_info *
1539 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
1540                           enum wmi_key_usage key_usage, const u8 *mac_addr)
1541 {
1542         int cid = -EINVAL;
1543
1544         if (key_usage == WMI_KEY_USE_TX_GROUP)
1545                 return NULL; /* not needed */
1546
1547         /* supplicant provides Rx group key in STA mode with NULL MAC address */
1548         if (mac_addr)
1549                 cid = wil_find_cid(wil, mid, mac_addr);
1550         else if (key_usage == WMI_KEY_USE_RX_GROUP)
1551                 cid = wil_find_cid_by_idx(wil, mid, 0);
1552         if (cid < 0) {
1553                 wil_err(wil, "No CID for %pM %s\n", mac_addr,
1554                         key_usage_str[key_usage]);
1555                 return ERR_PTR(cid);
1556         }
1557
1558         return &wil->sta[cid];
1559 }
1560
1561 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1562                        struct wil_sta_info *cs,
1563                        struct key_params *params)
1564 {
1565         struct wil_tid_crypto_rx_single *cc;
1566         int tid;
1567
1568         if (!cs)
1569                 return;
1570
1571         switch (key_usage) {
1572         case WMI_KEY_USE_STORE_PTK:
1573         case WMI_KEY_USE_PAIRWISE:
1574                 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1575                         cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1576                         if (params->seq)
1577                                 memcpy(cc->pn, params->seq,
1578                                        IEEE80211_GCMP_PN_LEN);
1579                         else
1580                                 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1581                         cc->key_set = true;
1582                 }
1583                 break;
1584         case WMI_KEY_USE_RX_GROUP:
1585                 cc = &cs->group_crypto_rx.key_id[key_index];
1586                 if (params->seq)
1587                         memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1588                 else
1589                         memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1590                 cc->key_set = true;
1591                 break;
1592         default:
1593                 break;
1594         }
1595 }
1596
1597 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1598                            struct wil_sta_info *cs)
1599 {
1600         struct wil_tid_crypto_rx_single *cc;
1601         int tid;
1602
1603         if (!cs)
1604                 return;
1605
1606         switch (key_usage) {
1607         case WMI_KEY_USE_PAIRWISE:
1608                 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1609                         cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1610                         cc->key_set = false;
1611                 }
1612                 break;
1613         case WMI_KEY_USE_RX_GROUP:
1614                 cc = &cs->group_crypto_rx.key_id[key_index];
1615                 cc->key_set = false;
1616                 break;
1617         default:
1618                 break;
1619         }
1620 }
1621
1622 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1623                                 struct net_device *ndev, int link_id,
1624                                 u8 key_index, bool pairwise,
1625                                 const u8 *mac_addr,
1626                                 struct key_params *params)
1627 {
1628         int rc;
1629         struct wil6210_vif *vif = ndev_to_vif(ndev);
1630         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1631         struct wireless_dev *wdev = vif_to_wdev(vif);
1632         enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1633         struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1634                                                             key_usage,
1635                                                             mac_addr);
1636
1637         if (!params) {
1638                 wil_err(wil, "NULL params\n");
1639                 return -EINVAL;
1640         }
1641
1642         wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1643                      mac_addr, key_usage_str[key_usage], key_index,
1644                      params->seq_len, params->seq);
1645
1646         if (IS_ERR(cs)) {
1647                 /* in FT, sta info may not be available as add_key may be
1648                  * sent by host before FW sends WMI_CONNECT_EVENT
1649                  */
1650                 if (!test_bit(wil_vif_ft_roam, vif->status)) {
1651                         wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1652                                 mac_addr, key_usage_str[key_usage], key_index,
1653                                 params->seq_len, params->seq);
1654                         return -EINVAL;
1655                 }
1656         } else {
1657                 wil_del_rx_key(key_index, key_usage, cs);
1658         }
1659
1660         if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1661                 wil_err(wil,
1662                         "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1663                         params->seq_len, mac_addr,
1664                         key_usage_str[key_usage], key_index,
1665                         params->seq_len, params->seq);
1666                 return -EINVAL;
1667         }
1668
1669         spin_lock_bh(&wil->eap_lock);
1670         if (pairwise && wdev->iftype == NL80211_IFTYPE_STATION &&
1671             (vif->ptk_rekey_state == WIL_REKEY_M3_RECEIVED ||
1672              vif->ptk_rekey_state == WIL_REKEY_WAIT_M4_SENT)) {
1673                 key_usage = WMI_KEY_USE_STORE_PTK;
1674                 vif->ptk_rekey_state = WIL_REKEY_WAIT_M4_SENT;
1675                 wil_dbg_misc(wil, "Store EAPOL key\n");
1676         }
1677         spin_unlock_bh(&wil->eap_lock);
1678
1679         rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
1680                                 params->key, key_usage);
1681         if (!rc && !IS_ERR(cs)) {
1682                 /* update local storage used for AP recovery */
1683                 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key &&
1684                     params->key_len <= WMI_MAX_KEY_LEN) {
1685                         vif->gtk_index = key_index;
1686                         memcpy(vif->gtk, params->key, params->key_len);
1687                         vif->gtk_len = params->key_len;
1688                 }
1689                 /* in FT set crypto will take place upon receiving
1690                  * WMI_RING_EN_EVENTID event
1691                  */
1692                 wil_set_crypto_rx(key_index, key_usage, cs, params);
1693         }
1694
1695         return rc;
1696 }
1697
1698 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1699                                 struct net_device *ndev, int link_id,
1700                                 u8 key_index, bool pairwise,
1701                                 const u8 *mac_addr)
1702 {
1703         struct wil6210_vif *vif = ndev_to_vif(ndev);
1704         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1705         struct wireless_dev *wdev = vif_to_wdev(vif);
1706         enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1707         struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1708                                                             key_usage,
1709                                                             mac_addr);
1710
1711         wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1712                      key_usage_str[key_usage], key_index);
1713
1714         if (IS_ERR(cs))
1715                 wil_info(wil, "Not connected, %pM %s[%d]\n",
1716                          mac_addr, key_usage_str[key_usage], key_index);
1717
1718         if (!IS_ERR_OR_NULL(cs))
1719                 wil_del_rx_key(key_index, key_usage, cs);
1720
1721         return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
1722 }
1723
1724 /* Need to be present or wiphy_new() will WARN */
1725 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1726                                         struct net_device *ndev, int link_id,
1727                                         u8 key_index, bool unicast,
1728                                         bool multicast)
1729 {
1730         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1731
1732         wil_dbg_misc(wil, "set_default_key: entered\n");
1733         return 0;
1734 }
1735
1736 static int wil_remain_on_channel(struct wiphy *wiphy,
1737                                  struct wireless_dev *wdev,
1738                                  struct ieee80211_channel *chan,
1739                                  unsigned int duration,
1740                                  u64 *cookie)
1741 {
1742         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1743         int rc;
1744
1745         wil_dbg_misc(wil,
1746                      "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1747                      chan->center_freq, duration, wdev->iftype);
1748
1749         rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1750         return rc;
1751 }
1752
1753 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1754                                         struct wireless_dev *wdev,
1755                                         u64 cookie)
1756 {
1757         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1758         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1759
1760         wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1761
1762         return wil_p2p_cancel_listen(vif, cookie);
1763 }
1764
1765 /*
1766  * find a specific IE in a list of IEs
1767  * return a pointer to the beginning of IE in the list
1768  * or NULL if not found
1769  */
1770 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1771                                        u16 ie_len)
1772 {
1773         struct ieee80211_vendor_ie *vie;
1774         u32 oui;
1775
1776         /* IE tag at offset 0, length at offset 1 */
1777         if (ie_len < 2 || 2 + ie[1] > ie_len)
1778                 return NULL;
1779
1780         if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1781                 return cfg80211_find_ie(ie[0], ies, ies_len);
1782
1783         /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1784         if (ie[1] < 4)
1785                 return NULL;
1786         vie = (struct ieee80211_vendor_ie *)ie;
1787         oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1788         return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1789                                        ies_len);
1790 }
1791
1792 /*
1793  * merge the IEs in two lists into a single list.
1794  * do not include IEs from the second list which exist in the first list.
1795  * add only vendor specific IEs from second list to keep
1796  * the merged list sorted (since vendor-specific IE has the
1797  * highest tag number)
1798  * caller must free the allocated memory for merged IEs
1799  */
1800 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1801                                          const u8 *ies2, u16 ies2_len,
1802                                          u8 **merged_ies, u16 *merged_len)
1803 {
1804         u8 *buf, *dpos;
1805         const u8 *spos;
1806
1807         if (!ies1)
1808                 ies1_len = 0;
1809
1810         if (!ies2)
1811                 ies2_len = 0;
1812
1813         if (ies1_len == 0 && ies2_len == 0) {
1814                 *merged_ies = NULL;
1815                 *merged_len = 0;
1816                 return 0;
1817         }
1818
1819         buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1820         if (!buf)
1821                 return -ENOMEM;
1822         if (ies1)
1823                 memcpy(buf, ies1, ies1_len);
1824         dpos = buf + ies1_len;
1825         spos = ies2;
1826         while (spos && (spos + 1 < ies2 + ies2_len)) {
1827                 /* IE tag at offset 0, length at offset 1 */
1828                 u16 ielen = 2 + spos[1];
1829
1830                 if (spos + ielen > ies2 + ies2_len)
1831                         break;
1832                 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1833                     (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len,
1834                                                      spos, ielen))) {
1835                         memcpy(dpos, spos, ielen);
1836                         dpos += ielen;
1837                 }
1838                 spos += ielen;
1839         }
1840
1841         *merged_ies = buf;
1842         *merged_len = dpos - buf;
1843         return 0;
1844 }
1845
1846 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1847 {
1848         wil_hex_dump_misc("head     ", DUMP_PREFIX_OFFSET, 16, 1,
1849                           b->head, b->head_len, true);
1850         wil_hex_dump_misc("tail     ", DUMP_PREFIX_OFFSET, 16, 1,
1851                           b->tail, b->tail_len, true);
1852         wil_hex_dump_misc("BCON IE  ", DUMP_PREFIX_OFFSET, 16, 1,
1853                           b->beacon_ies, b->beacon_ies_len, true);
1854         wil_hex_dump_misc("PROBE    ", DUMP_PREFIX_OFFSET, 16, 1,
1855                           b->probe_resp, b->probe_resp_len, true);
1856         wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1857                           b->proberesp_ies, b->proberesp_ies_len, true);
1858         wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1859                           b->assocresp_ies, b->assocresp_ies_len, true);
1860 }
1861
1862 /* internal functions for device reset and starting AP */
1863 static u8 *
1864 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len,
1865                                 u16 *ies_len)
1866 {
1867         u8 *ies = NULL;
1868
1869         if (proberesp) {
1870                 struct ieee80211_mgmt *f =
1871                         (struct ieee80211_mgmt *)proberesp;
1872                 size_t hlen = offsetof(struct ieee80211_mgmt,
1873                                        u.probe_resp.variable);
1874
1875                 ies = f->u.probe_resp.variable;
1876                 if (ies_len)
1877                         *ies_len = proberesp_len - hlen;
1878         }
1879
1880         return ies;
1881 }
1882
1883 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
1884                                  struct cfg80211_beacon_data *bcon)
1885 {
1886         int rc;
1887         u16 len = 0, proberesp_len = 0;
1888         u8 *ies = NULL, *proberesp;
1889
1890         /* update local storage used for AP recovery */
1891         wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp,
1892                       bcon->probe_resp_len);
1893         wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len,
1894                       bcon->proberesp_ies, bcon->proberesp_ies_len);
1895         wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len,
1896                       bcon->assocresp_ies, bcon->assocresp_ies_len);
1897
1898         proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1899                                                     bcon->probe_resp_len,
1900                                                     &proberesp_len);
1901         rc = _wil_cfg80211_merge_extra_ies(proberesp,
1902                                            proberesp_len,
1903                                            bcon->proberesp_ies,
1904                                            bcon->proberesp_ies_len,
1905                                            &ies, &len);
1906
1907         if (rc)
1908                 goto out;
1909
1910         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies);
1911         if (rc)
1912                 goto out;
1913
1914         if (bcon->assocresp_ies)
1915                 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
1916                                 bcon->assocresp_ies_len, bcon->assocresp_ies);
1917         else
1918                 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies);
1919 #if 0 /* to use beacon IE's, remove this #if 0 */
1920         if (rc)
1921                 goto out;
1922
1923         rc = wmi_set_ie(vif, WMI_FRAME_BEACON,
1924                         bcon->tail_len, bcon->tail);
1925 #endif
1926 out:
1927         kfree(ies);
1928         return rc;
1929 }
1930
1931 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1932                                   struct net_device *ndev,
1933                                   const u8 *ssid, size_t ssid_len, u32 privacy,
1934                                   int bi, u8 chan, u8 wmi_edmg_channel,
1935                                   struct cfg80211_beacon_data *bcon,
1936                                   u8 hidden_ssid, u32 pbss)
1937 {
1938         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1939         struct wil6210_vif *vif = ndev_to_vif(ndev);
1940         int rc;
1941         struct wireless_dev *wdev = ndev->ieee80211_ptr;
1942         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1943         u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1944         u16 proberesp_len = 0;
1945         u8 *proberesp;
1946         bool ft = false;
1947
1948         if (pbss)
1949                 wmi_nettype = WMI_NETTYPE_P2P;
1950
1951         wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
1952         if (is_go && !pbss) {
1953                 wil_err(wil, "P2P GO must be in PBSS\n");
1954                 return -ENOTSUPP;
1955         }
1956
1957         wil_set_recovery_state(wil, fw_recovery_idle);
1958
1959         proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1960                                                     bcon->probe_resp_len,
1961                                                     &proberesp_len);
1962         /* check that the probe response IEs has a MDE */
1963         if ((proberesp && proberesp_len > 0 &&
1964              cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN,
1965                               proberesp,
1966                               proberesp_len)))
1967                 ft = true;
1968
1969         if (ft) {
1970                 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING,
1971                               wil->fw_capabilities)) {
1972                         wil_err(wil, "FW does not support FT roaming\n");
1973                         return -ENOTSUPP;
1974                 }
1975                 set_bit(wil_vif_ft_roam, vif->status);
1976         }
1977
1978         mutex_lock(&wil->mutex);
1979
1980         if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
1981                 __wil_down(wil);
1982                 rc = __wil_up(wil);
1983                 if (rc)
1984                         goto out;
1985         }
1986
1987         rc = wmi_set_ssid(vif, ssid_len, ssid);
1988         if (rc)
1989                 goto out;
1990
1991         rc = _wil_cfg80211_set_ies(vif, bcon);
1992         if (rc)
1993                 goto out;
1994
1995         vif->privacy = privacy;
1996         vif->channel = chan;
1997         vif->wmi_edmg_channel = wmi_edmg_channel;
1998         vif->hidden_ssid = hidden_ssid;
1999         vif->pbss = pbss;
2000         vif->bi = bi;
2001         memcpy(vif->ssid, ssid, ssid_len);
2002         vif->ssid_len = ssid_len;
2003
2004         netif_carrier_on(ndev);
2005         if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2006                 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
2007
2008         rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel,
2009                            hidden_ssid, is_go);
2010         if (rc)
2011                 goto err_pcp_start;
2012
2013         rc = wil_bcast_init(vif);
2014         if (rc)
2015                 goto err_bcast;
2016
2017         goto out; /* success */
2018
2019 err_bcast:
2020         wmi_pcp_stop(vif);
2021 err_pcp_start:
2022         netif_carrier_off(ndev);
2023         if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2024                 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2025 out:
2026         mutex_unlock(&wil->mutex);
2027         return rc;
2028 }
2029
2030 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
2031 {
2032         int rc, i;
2033         struct wiphy *wiphy = wil_to_wiphy(wil);
2034
2035         for (i = 0; i < GET_MAX_VIFS(wil); i++) {
2036                 struct wil6210_vif *vif = wil->vifs[i];
2037                 struct net_device *ndev;
2038                 struct cfg80211_beacon_data bcon = {};
2039                 struct key_params key_params = {};
2040
2041                 if (!vif || vif->ssid_len == 0)
2042                         continue;
2043
2044                 ndev = vif_to_ndev(vif);
2045                 bcon.proberesp_ies = vif->proberesp_ies;
2046                 bcon.assocresp_ies = vif->assocresp_ies;
2047                 bcon.probe_resp = vif->proberesp;
2048                 bcon.proberesp_ies_len = vif->proberesp_ies_len;
2049                 bcon.assocresp_ies_len = vif->assocresp_ies_len;
2050                 bcon.probe_resp_len = vif->proberesp_len;
2051
2052                 wil_info(wil,
2053                          "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n",
2054                          i, vif->privacy, vif->bi, vif->channel,
2055                          vif->hidden_ssid, vif->pbss);
2056                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2057                                   vif->ssid, vif->ssid_len, true);
2058                 rc = _wil_cfg80211_start_ap(wiphy, ndev,
2059                                             vif->ssid, vif->ssid_len,
2060                                             vif->privacy, vif->bi,
2061                                             vif->channel,
2062                                             vif->wmi_edmg_channel, &bcon,
2063                                             vif->hidden_ssid, vif->pbss);
2064                 if (rc) {
2065                         wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
2066                         continue;
2067                 }
2068
2069                 if (!vif->privacy || vif->gtk_len == 0)
2070                         continue;
2071
2072                 key_params.key = vif->gtk;
2073                 key_params.key_len = vif->gtk_len;
2074                 key_params.seq_len = IEEE80211_GCMP_PN_LEN;
2075                 rc = wil_cfg80211_add_key(wiphy, ndev, -1, vif->gtk_index,
2076                                           false, NULL, &key_params);
2077                 if (rc)
2078                         wil_err(wil, "vif %d recovery add key failed (%d)\n",
2079                                 i, rc);
2080         }
2081 }
2082
2083 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
2084                                       struct net_device *ndev,
2085                                       struct cfg80211_ap_update *params)
2086 {
2087         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2088         struct wireless_dev *wdev = ndev->ieee80211_ptr;
2089         struct wil6210_vif *vif = ndev_to_vif(ndev);
2090         struct cfg80211_beacon_data *bcon = &params->beacon;
2091         int rc;
2092         u32 privacy = 0;
2093
2094         wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
2095         wil_print_bcon_data(bcon);
2096
2097         if (bcon->tail &&
2098             cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
2099                              bcon->tail_len))
2100                 privacy = 1;
2101
2102         memcpy(vif->ssid, wdev->u.ap.ssid, wdev->u.ap.ssid_len);
2103         vif->ssid_len = wdev->u.ap.ssid_len;
2104
2105         /* in case privacy has changed, need to restart the AP */
2106         if (vif->privacy != privacy) {
2107                 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
2108                              vif->privacy, privacy);
2109
2110                 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
2111                                             vif->ssid_len, privacy,
2112                                             wdev->links[0].ap.beacon_interval,
2113                                             vif->channel,
2114                                             vif->wmi_edmg_channel, bcon,
2115                                             vif->hidden_ssid,
2116                                             vif->pbss);
2117         } else {
2118                 rc = _wil_cfg80211_set_ies(vif, bcon);
2119         }
2120
2121         return rc;
2122 }
2123
2124 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
2125                                  struct net_device *ndev,
2126                                  struct cfg80211_ap_settings *info)
2127 {
2128         int rc;
2129         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2130         struct ieee80211_channel *channel = info->chandef.chan;
2131         struct cfg80211_beacon_data *bcon = &info->beacon;
2132         struct cfg80211_crypto_settings *crypto = &info->crypto;
2133         u8 wmi_edmg_channel;
2134         u8 hidden_ssid;
2135
2136         wil_dbg_misc(wil, "start_ap\n");
2137
2138         rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config,
2139                                       info->chandef.edmg.channels,
2140                                       &wmi_edmg_channel);
2141         if (rc < 0)
2142                 return rc;
2143
2144         if (!channel) {
2145                 wil_err(wil, "AP: No channel???\n");
2146                 return -EINVAL;
2147         }
2148
2149         switch (info->hidden_ssid) {
2150         case NL80211_HIDDEN_SSID_NOT_IN_USE:
2151                 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
2152                 break;
2153
2154         case NL80211_HIDDEN_SSID_ZERO_LEN:
2155                 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
2156                 break;
2157
2158         case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2159                 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
2160                 break;
2161
2162         default:
2163                 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
2164                 return -EOPNOTSUPP;
2165         }
2166         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
2167                      channel->center_freq, info->privacy ? "secure" : "open");
2168         wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
2169                      info->privacy, info->auth_type);
2170         wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
2171                      info->hidden_ssid);
2172         wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
2173                      info->dtim_period);
2174         wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
2175         wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2176                           info->ssid, info->ssid_len, true);
2177         wil_print_bcon_data(bcon);
2178         wil_print_crypto(wil, crypto);
2179
2180         rc = _wil_cfg80211_start_ap(wiphy, ndev,
2181                                     info->ssid, info->ssid_len, info->privacy,
2182                                     info->beacon_interval, channel->hw_value,
2183                                     wmi_edmg_channel, bcon, hidden_ssid,
2184                                     info->pbss);
2185
2186         return rc;
2187 }
2188
2189 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
2190                                 struct net_device *ndev,
2191                                 unsigned int link_id)
2192 {
2193         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2194         struct wil6210_vif *vif = ndev_to_vif(ndev);
2195         bool last;
2196
2197         wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
2198
2199         netif_carrier_off(ndev);
2200         last = !wil_has_other_active_ifaces(wil, ndev, false, true);
2201         if (last) {
2202                 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2203                 wil_set_recovery_state(wil, fw_recovery_idle);
2204                 set_bit(wil_status_resetting, wil->status);
2205         }
2206
2207         mutex_lock(&wil->mutex);
2208
2209         wmi_pcp_stop(vif);
2210         clear_bit(wil_vif_ft_roam, vif->status);
2211         vif->ssid_len = 0;
2212         wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0);
2213         wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0);
2214         wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0);
2215         memset(vif->gtk, 0, WMI_MAX_KEY_LEN);
2216         vif->gtk_len = 0;
2217
2218         if (last)
2219                 __wil_down(wil);
2220         else
2221                 wil_bcast_fini(vif);
2222
2223         mutex_unlock(&wil->mutex);
2224
2225         return 0;
2226 }
2227
2228 static int wil_cfg80211_add_station(struct wiphy *wiphy,
2229                                     struct net_device *dev,
2230                                     const u8 *mac,
2231                                     struct station_parameters *params)
2232 {
2233         struct wil6210_vif *vif = ndev_to_vif(dev);
2234         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2235
2236         wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n",
2237                      mac, params->aid, vif->mid,
2238                      params->sta_flags_mask, params->sta_flags_set);
2239
2240         if (!disable_ap_sme) {
2241                 wil_err(wil, "not supported with AP SME enabled\n");
2242                 return -EOPNOTSUPP;
2243         }
2244
2245         if (params->aid > WIL_MAX_DMG_AID) {
2246                 wil_err(wil, "invalid aid\n");
2247                 return -EINVAL;
2248         }
2249
2250         return wmi_new_sta(vif, mac, params->aid);
2251 }
2252
2253 static int wil_cfg80211_del_station(struct wiphy *wiphy,
2254                                     struct net_device *dev,
2255                                     struct station_del_parameters *params)
2256 {
2257         struct wil6210_vif *vif = ndev_to_vif(dev);
2258         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2259
2260         wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
2261                      params->mac, params->reason_code, vif->mid);
2262
2263         mutex_lock(&wil->mutex);
2264         wil6210_disconnect(vif, params->mac, params->reason_code);
2265         mutex_unlock(&wil->mutex);
2266
2267         return 0;
2268 }
2269
2270 static int wil_cfg80211_change_station(struct wiphy *wiphy,
2271                                        struct net_device *dev,
2272                                        const u8 *mac,
2273                                        struct station_parameters *params)
2274 {
2275         struct wil6210_vif *vif = ndev_to_vif(dev);
2276         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2277         int authorize;
2278         int cid, i;
2279         struct wil_ring_tx_data *txdata = NULL;
2280
2281         wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
2282                      mac, params->sta_flags_mask, params->sta_flags_set,
2283                      vif->mid);
2284
2285         if (!disable_ap_sme) {
2286                 wil_dbg_misc(wil, "not supported with AP SME enabled\n");
2287                 return -EOPNOTSUPP;
2288         }
2289
2290         if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2291                 return 0;
2292
2293         cid = wil_find_cid(wil, vif->mid, mac);
2294         if (cid < 0) {
2295                 wil_err(wil, "station not found\n");
2296                 return -ENOLINK;
2297         }
2298
2299         for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
2300                 if (wil->ring2cid_tid[i][0] == cid) {
2301                         txdata = &wil->ring_tx_data[i];
2302                         break;
2303                 }
2304
2305         if (!txdata) {
2306                 wil_err(wil, "ring data not found\n");
2307                 return -ENOLINK;
2308         }
2309
2310         authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
2311         txdata->dot1x_open = authorize ? 1 : 0;
2312         wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
2313                      txdata->dot1x_open);
2314
2315         return 0;
2316 }
2317
2318 /* probe_client handling */
2319 static void wil_probe_client_handle(struct wil6210_priv *wil,
2320                                     struct wil6210_vif *vif,
2321                                     struct wil_probe_client_req *req)
2322 {
2323         struct net_device *ndev = vif_to_ndev(vif);
2324         struct wil_sta_info *sta = &wil->sta[req->cid];
2325         /* assume STA is alive if it is still connected,
2326          * else FW will disconnect it
2327          */
2328         bool alive = (sta->status == wil_sta_connected);
2329
2330         cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
2331                               0, false, GFP_KERNEL);
2332 }
2333
2334 static struct list_head *next_probe_client(struct wil6210_vif *vif)
2335 {
2336         struct list_head *ret = NULL;
2337
2338         mutex_lock(&vif->probe_client_mutex);
2339
2340         if (!list_empty(&vif->probe_client_pending)) {
2341                 ret = vif->probe_client_pending.next;
2342                 list_del(ret);
2343         }
2344
2345         mutex_unlock(&vif->probe_client_mutex);
2346
2347         return ret;
2348 }
2349
2350 void wil_probe_client_worker(struct work_struct *work)
2351 {
2352         struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
2353                                                probe_client_worker);
2354         struct wil6210_priv *wil = vif_to_wil(vif);
2355         struct wil_probe_client_req *req;
2356         struct list_head *lh;
2357
2358         while ((lh = next_probe_client(vif)) != NULL) {
2359                 req = list_entry(lh, struct wil_probe_client_req, list);
2360
2361                 wil_probe_client_handle(wil, vif, req);
2362                 kfree(req);
2363         }
2364 }
2365
2366 void wil_probe_client_flush(struct wil6210_vif *vif)
2367 {
2368         struct wil_probe_client_req *req, *t;
2369         struct wil6210_priv *wil = vif_to_wil(vif);
2370
2371         wil_dbg_misc(wil, "probe_client_flush\n");
2372
2373         mutex_lock(&vif->probe_client_mutex);
2374
2375         list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
2376                 list_del(&req->list);
2377                 kfree(req);
2378         }
2379
2380         mutex_unlock(&vif->probe_client_mutex);
2381 }
2382
2383 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
2384                                      struct net_device *dev,
2385                                      const u8 *peer, u64 *cookie)
2386 {
2387         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2388         struct wil6210_vif *vif = ndev_to_vif(dev);
2389         struct wil_probe_client_req *req;
2390         int cid = wil_find_cid(wil, vif->mid, peer);
2391
2392         wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
2393                      peer, cid, vif->mid);
2394
2395         if (cid < 0)
2396                 return -ENOLINK;
2397
2398         req = kzalloc(sizeof(*req), GFP_KERNEL);
2399         if (!req)
2400                 return -ENOMEM;
2401
2402         req->cid = cid;
2403         req->cookie = cid;
2404
2405         mutex_lock(&vif->probe_client_mutex);
2406         list_add_tail(&req->list, &vif->probe_client_pending);
2407         mutex_unlock(&vif->probe_client_mutex);
2408
2409         *cookie = req->cookie;
2410         queue_work(wil->wq_service, &vif->probe_client_worker);
2411         return 0;
2412 }
2413
2414 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
2415                                    struct net_device *dev,
2416                                    struct bss_parameters *params)
2417 {
2418         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2419         struct wil6210_vif *vif = ndev_to_vif(dev);
2420
2421         if (params->ap_isolate >= 0) {
2422                 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
2423                              vif->mid, vif->ap_isolate, params->ap_isolate);
2424                 vif->ap_isolate = params->ap_isolate;
2425         }
2426
2427         return 0;
2428 }
2429
2430 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
2431                                        struct net_device *dev,
2432                                        bool enabled, int timeout)
2433 {
2434         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2435         enum wmi_ps_profile_type ps_profile;
2436
2437         wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
2438                      enabled, timeout);
2439
2440         if (enabled)
2441                 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
2442         else
2443                 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
2444
2445         return wil_ps_update(wil, ps_profile);
2446 }
2447
2448 static int wil_cfg80211_suspend(struct wiphy *wiphy,
2449                                 struct cfg80211_wowlan *wow)
2450 {
2451         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2452         int rc;
2453
2454         /* Setting the wakeup trigger based on wow is TBD */
2455
2456         if (test_bit(wil_status_suspended, wil->status)) {
2457                 wil_dbg_pm(wil, "trying to suspend while suspended\n");
2458                 return 0;
2459         }
2460
2461         rc = wil_can_suspend(wil, false);
2462         if (rc)
2463                 goto out;
2464
2465         wil_dbg_pm(wil, "suspending\n");
2466
2467         mutex_lock(&wil->mutex);
2468         mutex_lock(&wil->vif_mutex);
2469         wil_p2p_stop_radio_operations(wil);
2470         wil_abort_scan_all_vifs(wil, true);
2471         mutex_unlock(&wil->vif_mutex);
2472         mutex_unlock(&wil->mutex);
2473
2474 out:
2475         return rc;
2476 }
2477
2478 static int wil_cfg80211_resume(struct wiphy *wiphy)
2479 {
2480         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2481
2482         wil_dbg_pm(wil, "resuming\n");
2483
2484         return 0;
2485 }
2486
2487 static int
2488 wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
2489                               struct net_device *dev,
2490                               struct cfg80211_sched_scan_request *request)
2491 {
2492         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2493         struct wil6210_vif *vif = ndev_to_vif(dev);
2494         int i, rc;
2495
2496         if (vif->mid != 0)
2497                 return -EOPNOTSUPP;
2498
2499         wil_dbg_misc(wil,
2500                      "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
2501                      request->n_ssids, request->ie_len, request->flags);
2502         for (i = 0; i < request->n_ssids; i++) {
2503                 wil_dbg_misc(wil, "SSID[%d]:", i);
2504                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2505                                   request->ssids[i].ssid,
2506                                   request->ssids[i].ssid_len, true);
2507         }
2508         wil_dbg_misc(wil, "channels:");
2509         for (i = 0; i < request->n_channels; i++)
2510                 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
2511                              i == request->n_channels - 1 ? "\n" : "");
2512         wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
2513                      request->n_match_sets, request->min_rssi_thold,
2514                      request->delay);
2515         for (i = 0; i < request->n_match_sets; i++) {
2516                 struct cfg80211_match_set *ms = &request->match_sets[i];
2517
2518                 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
2519                              i, ms->rssi_thold);
2520                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2521                                   ms->ssid.ssid,
2522                                   ms->ssid.ssid_len, true);
2523         }
2524         wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
2525         for (i = 0; i < request->n_scan_plans; i++) {
2526                 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
2527
2528                 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
2529                              i, sp->interval, sp->iterations);
2530         }
2531
2532         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
2533                         request->ie_len, request->ie);
2534         if (rc)
2535                 return rc;
2536         return wmi_start_sched_scan(wil, request);
2537 }
2538
2539 static int
2540 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2541                              u64 reqid)
2542 {
2543         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2544         struct wil6210_vif *vif = ndev_to_vif(dev);
2545         int rc;
2546
2547         if (vif->mid != 0)
2548                 return -EOPNOTSUPP;
2549
2550         rc = wmi_stop_sched_scan(wil);
2551         /* device would return error if it thinks PNO is already stopped.
2552          * ignore the return code so user space and driver gets back in-sync
2553          */
2554         wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
2555
2556         return 0;
2557 }
2558
2559 static int
2560 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev,
2561                            struct cfg80211_update_ft_ies_params *ftie)
2562 {
2563         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2564         struct wil6210_vif *vif = ndev_to_vif(dev);
2565         struct cfg80211_bss *bss;
2566         struct wmi_ft_reassoc_cmd reassoc;
2567         int rc = 0;
2568
2569         wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid);
2570         wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1,
2571                           ftie->ie, ftie->ie_len, true);
2572
2573         if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
2574                 wil_err(wil, "FW does not support FT roaming\n");
2575                 return -EOPNOTSUPP;
2576         }
2577
2578         rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie);
2579         if (rc)
2580                 return rc;
2581
2582         if (!test_bit(wil_vif_ft_roam, vif->status))
2583                 /* vif is not roaming */
2584                 return 0;
2585
2586         /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as
2587          * a trigger for reassoc
2588          */
2589
2590         bss = vif->bss;
2591         if (!bss) {
2592                 wil_err(wil, "FT: bss is NULL\n");
2593                 return -EINVAL;
2594         }
2595
2596         memset(&reassoc, 0, sizeof(reassoc));
2597         ether_addr_copy(reassoc.bssid, bss->bssid);
2598
2599         rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid,
2600                       &reassoc, sizeof(reassoc));
2601         if (rc)
2602                 wil_err(wil, "FT: reassoc failed (%d)\n", rc);
2603
2604         return rc;
2605 }
2606
2607 static int wil_cfg80211_set_multicast_to_unicast(struct wiphy *wiphy,
2608                                                  struct net_device *dev,
2609                                                  const bool enabled)
2610 {
2611         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2612
2613         if (wil->multicast_to_unicast == enabled)
2614                 return 0;
2615
2616         wil_info(wil, "set multicast to unicast, enabled=%d\n", enabled);
2617         wil->multicast_to_unicast = enabled;
2618
2619         return 0;
2620 }
2621
2622 static int wil_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
2623                                             struct net_device *dev,
2624                                             s32 rssi_thold, u32 rssi_hyst)
2625 {
2626         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2627         int rc;
2628
2629         wil->cqm_rssi_thold = rssi_thold;
2630
2631         rc = wmi_set_cqm_rssi_config(wil, rssi_thold, rssi_hyst);
2632         if (rc)
2633                 /* reset stored value upon failure */
2634                 wil->cqm_rssi_thold = 0;
2635
2636         return rc;
2637 }
2638
2639 static const struct cfg80211_ops wil_cfg80211_ops = {
2640         .add_virtual_intf = wil_cfg80211_add_iface,
2641         .del_virtual_intf = wil_cfg80211_del_iface,
2642         .scan = wil_cfg80211_scan,
2643         .abort_scan = wil_cfg80211_abort_scan,
2644         .connect = wil_cfg80211_connect,
2645         .disconnect = wil_cfg80211_disconnect,
2646         .set_wiphy_params = wil_cfg80211_set_wiphy_params,
2647         .change_virtual_intf = wil_cfg80211_change_iface,
2648         .get_station = wil_cfg80211_get_station,
2649         .dump_station = wil_cfg80211_dump_station,
2650         .remain_on_channel = wil_remain_on_channel,
2651         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
2652         .mgmt_tx = wil_cfg80211_mgmt_tx,
2653         .set_monitor_channel = wil_cfg80211_set_channel,
2654         .add_key = wil_cfg80211_add_key,
2655         .del_key = wil_cfg80211_del_key,
2656         .set_default_key = wil_cfg80211_set_default_key,
2657         /* AP mode */
2658         .change_beacon = wil_cfg80211_change_beacon,
2659         .start_ap = wil_cfg80211_start_ap,
2660         .stop_ap = wil_cfg80211_stop_ap,
2661         .add_station = wil_cfg80211_add_station,
2662         .del_station = wil_cfg80211_del_station,
2663         .change_station = wil_cfg80211_change_station,
2664         .probe_client = wil_cfg80211_probe_client,
2665         .change_bss = wil_cfg80211_change_bss,
2666         /* P2P device */
2667         .start_p2p_device = wil_cfg80211_start_p2p_device,
2668         .stop_p2p_device = wil_cfg80211_stop_p2p_device,
2669         .set_power_mgmt = wil_cfg80211_set_power_mgmt,
2670         .set_cqm_rssi_config = wil_cfg80211_set_cqm_rssi_config,
2671         .suspend = wil_cfg80211_suspend,
2672         .resume = wil_cfg80211_resume,
2673         .sched_scan_start = wil_cfg80211_sched_scan_start,
2674         .sched_scan_stop = wil_cfg80211_sched_scan_stop,
2675         .update_ft_ies = wil_cfg80211_update_ft_ies,
2676         .set_multicast_to_unicast = wil_cfg80211_set_multicast_to_unicast,
2677 };
2678
2679 static void wil_wiphy_init(struct wiphy *wiphy)
2680 {
2681         wiphy->max_scan_ssids = 1;
2682         wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
2683         wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
2684         wiphy->max_num_pmkids = 0 /* TODO: */;
2685         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2686                                  BIT(NL80211_IFTYPE_AP) |
2687                                  BIT(NL80211_IFTYPE_P2P_CLIENT) |
2688                                  BIT(NL80211_IFTYPE_P2P_GO) |
2689                                  BIT(NL80211_IFTYPE_P2P_DEVICE) |
2690                                  BIT(NL80211_IFTYPE_MONITOR);
2691         wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2692                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2693                         WIPHY_FLAG_PS_ON_BY_DEFAULT;
2694         if (!disable_ap_sme)
2695                 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
2696         dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
2697                 __func__, wiphy->flags);
2698         wiphy->probe_resp_offload =
2699                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2700                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2701                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2702
2703         wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
2704
2705         /* may change after reading FW capabilities */
2706         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2707
2708         wiphy->cipher_suites = wil_cipher_suites;
2709         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
2710         wiphy->mgmt_stypes = wil_mgmt_stypes;
2711         wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
2712
2713         wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
2714         wiphy->vendor_commands = wil_nl80211_vendor_commands;
2715
2716 #ifdef CONFIG_PM
2717         wiphy->wowlan = &wil_wowlan_support;
2718 #endif
2719 }
2720
2721 int wil_cfg80211_iface_combinations_from_fw(
2722         struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
2723 {
2724         struct wiphy *wiphy = wil_to_wiphy(wil);
2725         u32 total_limits = 0;
2726         u16 n_combos;
2727         const struct wil_fw_concurrency_combo *combo;
2728         const struct wil_fw_concurrency_limit *limit;
2729         struct ieee80211_iface_combination *iface_combinations;
2730         struct ieee80211_iface_limit *iface_limit;
2731         int i, j;
2732
2733         if (wiphy->iface_combinations) {
2734                 wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
2735                 return 0;
2736         }
2737
2738         combo = conc->combos;
2739         n_combos = le16_to_cpu(conc->n_combos);
2740         for (i = 0; i < n_combos; i++) {
2741                 total_limits += combo->n_limits;
2742                 limit = combo->limits + combo->n_limits;
2743                 combo = (struct wil_fw_concurrency_combo *)limit;
2744         }
2745
2746         iface_combinations =
2747                 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
2748                         total_limits * sizeof(struct ieee80211_iface_limit),
2749                         GFP_KERNEL);
2750         if (!iface_combinations)
2751                 return -ENOMEM;
2752         iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
2753                                                        n_combos);
2754         combo = conc->combos;
2755         for (i = 0; i < n_combos; i++) {
2756                 iface_combinations[i].max_interfaces = combo->max_interfaces;
2757                 iface_combinations[i].num_different_channels =
2758                         combo->n_diff_channels;
2759                 iface_combinations[i].beacon_int_infra_match =
2760                         combo->same_bi;
2761                 iface_combinations[i].n_limits = combo->n_limits;
2762                 wil_dbg_misc(wil,
2763                              "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
2764                              i, iface_combinations[i].max_interfaces,
2765                              iface_combinations[i].num_different_channels,
2766                              iface_combinations[i].beacon_int_infra_match);
2767                 limit = combo->limits;
2768                 for (j = 0; j < combo->n_limits; j++) {
2769                         iface_limit[j].max = le16_to_cpu(limit[j].max);
2770                         iface_limit[j].types = le16_to_cpu(limit[j].types);
2771                         wil_dbg_misc(wil,
2772                                      "limit %d: max %d types 0x%x\n", j,
2773                                      iface_limit[j].max, iface_limit[j].types);
2774                 }
2775                 iface_combinations[i].limits = iface_limit;
2776                 iface_limit += combo->n_limits;
2777                 limit += combo->n_limits;
2778                 combo = (struct wil_fw_concurrency_combo *)limit;
2779         }
2780
2781         wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
2782         wil->max_vifs = conc->n_mids + 1; /* including main interface */
2783         if (wil->max_vifs > WIL_MAX_VIFS) {
2784                 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
2785                          WIL_MAX_VIFS, wil->max_vifs);
2786                 wil->max_vifs = WIL_MAX_VIFS;
2787         }
2788         wiphy->n_iface_combinations = n_combos;
2789         wiphy->iface_combinations = iface_combinations;
2790         return 0;
2791 }
2792
2793 struct wil6210_priv *wil_cfg80211_init(struct device *dev)
2794 {
2795         struct wiphy *wiphy;
2796         struct wil6210_priv *wil;
2797         struct ieee80211_channel *ch;
2798
2799         dev_dbg(dev, "%s()\n", __func__);
2800
2801         /* Note: the wireless_dev structure is no longer allocated here.
2802          * Instead, it is allocated as part of the net_device structure
2803          * for main interface and each VIF.
2804          */
2805         wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
2806         if (!wiphy)
2807                 return ERR_PTR(-ENOMEM);
2808
2809         set_wiphy_dev(wiphy, dev);
2810         wil_wiphy_init(wiphy);
2811
2812         wil = wiphy_to_wil(wiphy);
2813         wil->wiphy = wiphy;
2814
2815         /* default monitor channel */
2816         ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
2817         cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
2818
2819         return wil;
2820 }
2821
2822 void wil_cfg80211_deinit(struct wil6210_priv *wil)
2823 {
2824         struct wiphy *wiphy = wil_to_wiphy(wil);
2825
2826         dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
2827
2828         if (!wiphy)
2829                 return;
2830
2831         kfree(wiphy->iface_combinations);
2832         wiphy->iface_combinations = NULL;
2833
2834         wiphy_free(wiphy);
2835         /* do not access wil6210_priv after returning from here */
2836 }
2837
2838 void wil_p2p_wdev_free(struct wil6210_priv *wil)
2839 {
2840         struct wireless_dev *p2p_wdev;
2841
2842         mutex_lock(&wil->vif_mutex);
2843         p2p_wdev = wil->p2p_wdev;
2844         wil->p2p_wdev = NULL;
2845         wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
2846         mutex_unlock(&wil->vif_mutex);
2847         if (p2p_wdev) {
2848                 cfg80211_unregister_wdev(p2p_wdev);
2849                 kfree(p2p_wdev);
2850         }
2851 }
2852
2853 static int wil_rf_sector_status_to_rc(u8 status)
2854 {
2855         switch (status) {
2856         case WMI_RF_SECTOR_STATUS_SUCCESS:
2857                 return 0;
2858         case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
2859                 return -EINVAL;
2860         case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
2861                 return -EAGAIN;
2862         case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
2863                 return -EOPNOTSUPP;
2864         default:
2865                 return -EINVAL;
2866         }
2867 }
2868
2869 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
2870                                  struct wireless_dev *wdev,
2871                                  const void *data, int data_len)
2872 {
2873         struct wil6210_priv *wil = wdev_to_wil(wdev);
2874         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2875         int rc;
2876         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2877         u16 sector_index;
2878         u8 sector_type;
2879         u32 rf_modules_vec;
2880         struct wmi_get_rf_sector_params_cmd cmd;
2881         struct {
2882                 struct wmi_cmd_hdr wmi;
2883                 struct wmi_get_rf_sector_params_done_event evt;
2884         } __packed reply = {
2885                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2886         };
2887         struct sk_buff *msg;
2888         struct nlattr *nl_cfgs, *nl_cfg;
2889         u32 i;
2890         struct wmi_rf_sector_info *si;
2891
2892         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2893                 return -EOPNOTSUPP;
2894
2895         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
2896                                   data_len, wil_rf_sector_policy, NULL);
2897         if (rc) {
2898                 wil_err(wil, "Invalid rf sector ATTR\n");
2899                 return rc;
2900         }
2901
2902         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2903             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2904             !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
2905                 wil_err(wil, "Invalid rf sector spec\n");
2906                 return -EINVAL;
2907         }
2908
2909         sector_index = nla_get_u16(
2910                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2911         if (sector_index >= WIL_MAX_RF_SECTORS) {
2912                 wil_err(wil, "Invalid sector index %d\n", sector_index);
2913                 return -EINVAL;
2914         }
2915
2916         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2917         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2918                 wil_err(wil, "Invalid sector type %d\n", sector_type);
2919                 return -EINVAL;
2920         }
2921
2922         rf_modules_vec = nla_get_u32(
2923                 tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
2924         if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
2925                 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
2926                 return -EINVAL;
2927         }
2928
2929         cmd.sector_idx = cpu_to_le16(sector_index);
2930         cmd.sector_type = sector_type;
2931         cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2932         rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2933                       &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
2934                       &reply, sizeof(reply),
2935                       500);
2936         if (rc)
2937                 return rc;
2938         if (reply.evt.status) {
2939                 wil_err(wil, "get rf sector cfg failed with status %d\n",
2940                         reply.evt.status);
2941                 return wil_rf_sector_status_to_rc(reply.evt.status);
2942         }
2943
2944         msg = cfg80211_vendor_cmd_alloc_reply_skb(
2945                 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2946         if (!msg)
2947                 return -ENOMEM;
2948
2949         if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2950                               le64_to_cpu(reply.evt.tsf),
2951                               QCA_ATTR_PAD))
2952                 goto nla_put_failure;
2953
2954         nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
2955         if (!nl_cfgs)
2956                 goto nla_put_failure;
2957         for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
2958                 if (!(rf_modules_vec & BIT(i)))
2959                         continue;
2960                 nl_cfg = nla_nest_start_noflag(msg, i);
2961                 if (!nl_cfg)
2962                         goto nla_put_failure;
2963                 si = &reply.evt.sectors_info[i];
2964                 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
2965                                i) ||
2966                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2967                                 le32_to_cpu(si->etype0)) ||
2968                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2969                                 le32_to_cpu(si->etype1)) ||
2970                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2971                                 le32_to_cpu(si->etype2)) ||
2972                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2973                                 le32_to_cpu(si->psh_hi)) ||
2974                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2975                                 le32_to_cpu(si->psh_lo)) ||
2976                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2977                                 le32_to_cpu(si->dtype_swch_off)))
2978                         goto nla_put_failure;
2979                 nla_nest_end(msg, nl_cfg);
2980         }
2981
2982         nla_nest_end(msg, nl_cfgs);
2983         rc = cfg80211_vendor_cmd_reply(msg);
2984         return rc;
2985 nla_put_failure:
2986         kfree_skb(msg);
2987         return -ENOBUFS;
2988 }
2989
2990 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2991                                  struct wireless_dev *wdev,
2992                                  const void *data, int data_len)
2993 {
2994         struct wil6210_priv *wil = wdev_to_wil(wdev);
2995         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2996         int rc, tmp;
2997         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2998         struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2999         u16 sector_index, rf_module_index;
3000         u8 sector_type;
3001         u32 rf_modules_vec = 0;
3002         struct wmi_set_rf_sector_params_cmd cmd;
3003         struct {
3004                 struct wmi_cmd_hdr wmi;
3005                 struct wmi_set_rf_sector_params_done_event evt;
3006         } __packed reply = {
3007                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3008         };
3009         struct nlattr *nl_cfg;
3010         struct wmi_rf_sector_info *si;
3011
3012         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3013                 return -EOPNOTSUPP;
3014
3015         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3016                                   data_len, wil_rf_sector_policy, NULL);
3017         if (rc) {
3018                 wil_err(wil, "Invalid rf sector ATTR\n");
3019                 return rc;
3020         }
3021
3022         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3023             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
3024             !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
3025                 wil_err(wil, "Invalid rf sector spec\n");
3026                 return -EINVAL;
3027         }
3028
3029         sector_index = nla_get_u16(
3030                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3031         if (sector_index >= WIL_MAX_RF_SECTORS) {
3032                 wil_err(wil, "Invalid sector index %d\n", sector_index);
3033                 return -EINVAL;
3034         }
3035
3036         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3037         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3038                 wil_err(wil, "Invalid sector type %d\n", sector_type);
3039                 return -EINVAL;
3040         }
3041
3042         memset(&cmd, 0, sizeof(cmd));
3043
3044         cmd.sector_idx = cpu_to_le16(sector_index);
3045         cmd.sector_type = sector_type;
3046         nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
3047                             tmp) {
3048                 rc = nla_parse_nested_deprecated(tb2,
3049                                                  QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
3050                                                  nl_cfg,
3051                                                  wil_rf_sector_cfg_policy,
3052                                                  NULL);
3053                 if (rc) {
3054                         wil_err(wil, "invalid sector cfg\n");
3055                         return -EINVAL;
3056                 }
3057
3058                 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
3059                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
3060                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
3061                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
3062                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
3063                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
3064                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
3065                         wil_err(wil, "missing cfg params\n");
3066                         return -EINVAL;
3067                 }
3068
3069                 rf_module_index = nla_get_u8(
3070                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
3071                 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
3072                         wil_err(wil, "invalid RF module index %d\n",
3073                                 rf_module_index);
3074                         return -EINVAL;
3075                 }
3076                 rf_modules_vec |= BIT(rf_module_index);
3077                 si = &cmd.sectors_info[rf_module_index];
3078                 si->etype0 = cpu_to_le32(nla_get_u32(
3079                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
3080                 si->etype1 = cpu_to_le32(nla_get_u32(
3081                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
3082                 si->etype2 = cpu_to_le32(nla_get_u32(
3083                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
3084                 si->psh_hi = cpu_to_le32(nla_get_u32(
3085                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
3086                 si->psh_lo = cpu_to_le32(nla_get_u32(
3087                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
3088                 si->dtype_swch_off = cpu_to_le32(nla_get_u32(
3089                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
3090         }
3091
3092         cmd.rf_modules_vec = rf_modules_vec & 0xFF;
3093         rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
3094                       &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
3095                       &reply, sizeof(reply),
3096                       500);
3097         if (rc)
3098                 return rc;
3099         return wil_rf_sector_status_to_rc(reply.evt.status);
3100 }
3101
3102 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
3103                                       struct wireless_dev *wdev,
3104                                       const void *data, int data_len)
3105 {
3106         struct wil6210_priv *wil = wdev_to_wil(wdev);
3107         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3108         int rc;
3109         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3110         u8 sector_type, mac_addr[ETH_ALEN];
3111         int cid = 0;
3112         struct wmi_get_selected_rf_sector_index_cmd cmd;
3113         struct {
3114                 struct wmi_cmd_hdr wmi;
3115                 struct wmi_get_selected_rf_sector_index_done_event evt;
3116         } __packed reply = {
3117                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3118         };
3119         struct sk_buff *msg;
3120
3121         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3122                 return -EOPNOTSUPP;
3123
3124         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3125                                   data_len, wil_rf_sector_policy, NULL);
3126         if (rc) {
3127                 wil_err(wil, "Invalid rf sector ATTR\n");
3128                 return rc;
3129         }
3130
3131         if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3132                 wil_err(wil, "Invalid rf sector spec\n");
3133                 return -EINVAL;
3134         }
3135         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3136         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3137                 wil_err(wil, "Invalid sector type %d\n", sector_type);
3138                 return -EINVAL;
3139         }
3140
3141         if (tb[QCA_ATTR_MAC_ADDR]) {
3142                 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3143                 cid = wil_find_cid(wil, vif->mid, mac_addr);
3144                 if (cid < 0) {
3145                         wil_err(wil, "invalid MAC address %pM\n", mac_addr);
3146                         return -ENOENT;
3147                 }
3148         } else {
3149                 if (test_bit(wil_vif_fwconnected, vif->status)) {
3150                         wil_err(wil, "must specify MAC address when connected\n");
3151                         return -EINVAL;
3152                 }
3153         }
3154
3155         memset(&cmd, 0, sizeof(cmd));
3156         cmd.cid = (u8)cid;
3157         cmd.sector_type = sector_type;
3158         rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
3159                       &cmd, sizeof(cmd),
3160                       WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3161                       &reply, sizeof(reply),
3162                       500);
3163         if (rc)
3164                 return rc;
3165         if (reply.evt.status) {
3166                 wil_err(wil, "get rf selected sector cfg failed with status %d\n",
3167                         reply.evt.status);
3168                 return wil_rf_sector_status_to_rc(reply.evt.status);
3169         }
3170
3171         msg = cfg80211_vendor_cmd_alloc_reply_skb(
3172                 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
3173         if (!msg)
3174                 return -ENOMEM;
3175
3176         if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
3177                               le64_to_cpu(reply.evt.tsf),
3178                               QCA_ATTR_PAD) ||
3179             nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
3180                         le16_to_cpu(reply.evt.sector_idx)))
3181                 goto nla_put_failure;
3182
3183         rc = cfg80211_vendor_cmd_reply(msg);
3184         return rc;
3185 nla_put_failure:
3186         kfree_skb(msg);
3187         return -ENOBUFS;
3188 }
3189
3190 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
3191                                           u8 mid, u16 sector_index,
3192                                           u8 sector_type, u8 cid)
3193 {
3194         struct wmi_set_selected_rf_sector_index_cmd cmd;
3195         struct {
3196                 struct wmi_cmd_hdr wmi;
3197                 struct wmi_set_selected_rf_sector_index_done_event evt;
3198         } __packed reply = {
3199                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3200         };
3201         int rc;
3202
3203         memset(&cmd, 0, sizeof(cmd));
3204         cmd.sector_idx = cpu_to_le16(sector_index);
3205         cmd.sector_type = sector_type;
3206         cmd.cid = (u8)cid;
3207         rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
3208                       &cmd, sizeof(cmd),
3209                       WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3210                       &reply, sizeof(reply),
3211                       500);
3212         if (rc)
3213                 return rc;
3214         return wil_rf_sector_status_to_rc(reply.evt.status);
3215 }
3216
3217 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
3218                                       struct wireless_dev *wdev,
3219                                       const void *data, int data_len)
3220 {
3221         struct wil6210_priv *wil = wdev_to_wil(wdev);
3222         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3223         int rc;
3224         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3225         u16 sector_index;
3226         u8 sector_type, mac_addr[ETH_ALEN], i;
3227         int cid = 0;
3228
3229         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3230                 return -EOPNOTSUPP;
3231
3232         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3233                                   data_len, wil_rf_sector_policy, NULL);
3234         if (rc) {
3235                 wil_err(wil, "Invalid rf sector ATTR\n");
3236                 return rc;
3237         }
3238
3239         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3240             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3241                 wil_err(wil, "Invalid rf sector spec\n");
3242                 return -EINVAL;
3243         }
3244
3245         sector_index = nla_get_u16(
3246                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3247         if (sector_index >= WIL_MAX_RF_SECTORS &&
3248             sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3249                 wil_err(wil, "Invalid sector index %d\n", sector_index);
3250                 return -EINVAL;
3251         }
3252
3253         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3254         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3255                 wil_err(wil, "Invalid sector type %d\n", sector_type);
3256                 return -EINVAL;
3257         }
3258
3259         if (tb[QCA_ATTR_MAC_ADDR]) {
3260                 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3261                 if (!is_broadcast_ether_addr(mac_addr)) {
3262                         cid = wil_find_cid(wil, vif->mid, mac_addr);
3263                         if (cid < 0) {
3264                                 wil_err(wil, "invalid MAC address %pM\n",
3265                                         mac_addr);
3266                                 return -ENOENT;
3267                         }
3268                 } else {
3269                         if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3270                                 wil_err(wil, "broadcast MAC valid only with unlocking\n");
3271                                 return -EINVAL;
3272                         }
3273                         cid = -1;
3274                 }
3275         } else {
3276                 if (test_bit(wil_vif_fwconnected, vif->status)) {
3277                         wil_err(wil, "must specify MAC address when connected\n");
3278                         return -EINVAL;
3279                 }
3280                 /* otherwise, using cid=0 for unassociated station */
3281         }
3282
3283         if (cid >= 0) {
3284                 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
3285                                                     sector_type, cid);
3286         } else {
3287                 /* unlock all cids */
3288                 rc = wil_rf_sector_wmi_set_selected(
3289                         wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
3290                         sector_type, WIL_CID_ALL);
3291                 if (rc == -EINVAL) {
3292                         for (i = 0; i < wil->max_assoc_sta; i++) {
3293                                 if (wil->sta[i].mid != vif->mid)
3294                                         continue;
3295                                 rc = wil_rf_sector_wmi_set_selected(
3296                                         wil, vif->mid,
3297                                         WMI_INVALID_RF_SECTOR_INDEX,
3298                                         sector_type, i);
3299                                 /* the FW will silently ignore and return
3300                                  * success for unused cid, so abort the loop
3301                                  * on any other error
3302                                  */
3303                                 if (rc) {
3304                                         wil_err(wil, "unlock cid %d failed with status %d\n",
3305                                                 i, rc);
3306                                         break;
3307                                 }
3308                         }
3309                 }
3310         }
3311
3312         return rc;
3313 }
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