2 * Copyright (c) 2012 Qualcomm Atheros, Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/kernel.h>
18 #include <linux/netdevice.h>
19 #include <linux/sched.h>
20 #include <linux/etherdevice.h>
21 #include <linux/wireless.h>
22 #include <linux/ieee80211.h>
23 #include <linux/slab.h>
24 #include <linux/version.h>
25 #include <net/cfg80211.h>
30 #define CHAN60G(_channel, _flags) { \
31 .band = IEEE80211_BAND_60GHZ, \
32 .center_freq = 56160 + (2160 * (_channel)), \
33 .hw_value = (_channel), \
35 .max_antenna_gain = 0, \
39 static struct ieee80211_channel wil_60ghz_channels
[] = {
43 /* channel 4 not supported yet */
46 static struct ieee80211_supported_band wil_band_60ghz
= {
47 .channels
= wil_60ghz_channels
,
48 .n_channels
= ARRAY_SIZE(wil_60ghz_channels
),
52 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
, /* TODO */
53 .ampdu_density
= IEEE80211_HT_MPDU_DENSITY_8
, /* TODO */
55 /* MCS 1..12 - SC PHY */
56 .rx_mask
= {0xfe, 0x1f}, /* 1..12 */
57 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
, /* TODO */
62 static const struct ieee80211_txrx_stypes
63 wil_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
64 [NL80211_IFTYPE_STATION
] = {
65 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
66 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
67 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
68 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
70 [NL80211_IFTYPE_AP
] = {
71 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
72 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
73 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
74 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
76 [NL80211_IFTYPE_P2P_CLIENT
] = {
77 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
78 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
79 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
80 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
82 [NL80211_IFTYPE_P2P_GO
] = {
83 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
84 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
85 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
86 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
90 static const u32 wil_cipher_suites
[] = {
91 WLAN_CIPHER_SUITE_GCMP
,
94 int wil_iftype_nl2wmi(enum nl80211_iftype type
)
97 enum nl80211_iftype nl
;
98 enum wmi_network_type wmi
;
100 {NL80211_IFTYPE_ADHOC
, WMI_NETTYPE_ADHOC
},
101 {NL80211_IFTYPE_STATION
, WMI_NETTYPE_INFRA
},
102 {NL80211_IFTYPE_AP
, WMI_NETTYPE_AP
},
103 {NL80211_IFTYPE_P2P_CLIENT
, WMI_NETTYPE_P2P
},
104 {NL80211_IFTYPE_P2P_GO
, WMI_NETTYPE_P2P
},
105 {NL80211_IFTYPE_MONITOR
, WMI_NETTYPE_ADHOC
}, /* FIXME */
109 for (i
= 0; i
< ARRAY_SIZE(__nl2wmi
); i
++) {
110 if (__nl2wmi
[i
].nl
== type
)
111 return __nl2wmi
[i
].wmi
;
117 static int wil_cfg80211_get_station(struct wiphy
*wiphy
,
118 struct net_device
*ndev
,
119 u8
*mac
, struct station_info
*sinfo
)
121 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
123 struct wmi_notify_req_cmd cmd
= {
128 if (memcmp(mac
, wil
->dst_addr
[0], ETH_ALEN
))
131 /* WMI_NOTIFY_REQ_DONE_EVENTID handler fills wil->stats.bf_mcs */
132 rc
= wmi_call(wil
, WMI_NOTIFY_REQ_CMDID
, &cmd
, sizeof(cmd
),
133 WMI_NOTIFY_REQ_DONE_EVENTID
, NULL
, 0, 20);
137 sinfo
->generation
= wil
->sinfo_gen
;
139 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
140 sinfo
->txrate
.flags
= RATE_INFO_FLAGS_MCS
| RATE_INFO_FLAGS_60G
;
141 sinfo
->txrate
.mcs
= wil
->stats
.bf_mcs
;
142 sinfo
->filled
|= STATION_INFO_RX_BITRATE
;
143 sinfo
->rxrate
.flags
= RATE_INFO_FLAGS_MCS
| RATE_INFO_FLAGS_60G
;
144 sinfo
->rxrate
.mcs
= wil
->stats
.last_mcs_rx
;
146 if (test_bit(wil_status_fwconnected
, &wil
->status
)) {
147 sinfo
->filled
|= STATION_INFO_SIGNAL
;
148 sinfo
->signal
= 12; /* TODO: provide real value */
154 static int wil_cfg80211_change_iface(struct wiphy
*wiphy
,
155 struct net_device
*ndev
,
156 enum nl80211_iftype type
, u32
*flags
,
157 struct vif_params
*params
)
159 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
160 struct wireless_dev
*wdev
= wil
->wdev
;
163 case NL80211_IFTYPE_STATION
:
164 case NL80211_IFTYPE_AP
:
165 case NL80211_IFTYPE_P2P_CLIENT
:
166 case NL80211_IFTYPE_P2P_GO
:
168 case NL80211_IFTYPE_MONITOR
:
170 wil
->monitor_flags
= *flags
;
172 wil
->monitor_flags
= 0;
184 static int wil_cfg80211_scan(struct wiphy
*wiphy
,
185 struct cfg80211_scan_request
*request
)
187 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
188 struct wireless_dev
*wdev
= wil
->wdev
;
190 struct wmi_start_scan_cmd cmd
;
195 if (wil
->scan_request
) {
196 wil_err(wil
, "Already scanning\n");
200 /* check we are client side */
201 switch (wdev
->iftype
) {
202 case NL80211_IFTYPE_STATION
:
203 case NL80211_IFTYPE_P2P_CLIENT
:
209 /* FW don't support scan after connection attempt */
210 if (test_bit(wil_status_dontscan
, &wil
->status
)) {
211 wil_err(wil
, "Scan after connect attempt not supported\n");
215 wil
->scan_request
= request
;
217 memset(&cmd
, 0, sizeof(cmd
));
218 cmd
.cmd
.num_channels
= 0;
219 n
= min(request
->n_channels
, 4U);
220 for (i
= 0; i
< n
; i
++) {
221 int ch
= request
->channels
[i
]->hw_value
;
224 "Scan requested for unknown frequency %dMhz\n",
225 request
->channels
[i
]->center_freq
);
228 /* 0-based channel indexes */
229 cmd
.cmd
.channel_list
[cmd
.cmd
.num_channels
++].channel
= ch
- 1;
230 wil_dbg_misc(wil
, "Scan for ch %d : %d MHz\n", ch
,
231 request
->channels
[i
]->center_freq
);
234 return wmi_send(wil
, WMI_START_SCAN_CMDID
, &cmd
, sizeof(cmd
.cmd
) +
235 cmd
.cmd
.num_channels
* sizeof(cmd
.cmd
.channel_list
[0]));
238 static int wil_cfg80211_connect(struct wiphy
*wiphy
,
239 struct net_device
*ndev
,
240 struct cfg80211_connect_params
*sme
)
242 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
243 struct cfg80211_bss
*bss
;
244 struct wmi_connect_cmd conn
;
250 bss
= cfg80211_get_bss(wiphy
, sme
->channel
, sme
->bssid
,
251 sme
->ssid
, sme
->ssid_len
,
252 WLAN_CAPABILITY_ESS
, WLAN_CAPABILITY_ESS
);
254 wil_err(wil
, "Unable to find BSS\n");
258 ssid_eid
= ieee80211_bss_get_ie(bss
, WLAN_EID_SSID
);
260 wil_err(wil
, "No SSID\n");
266 cfg80211_find_ie(WLAN_EID_RSN
, sme
->ie
, sme
->ie_len
) :
269 if (sme
->ie_len
> WMI_MAX_IE_LEN
) {
271 wil_err(wil
, "IE too large (%td bytes)\n",
276 * For secure assoc, send:
277 * (1) WMI_DELETE_CIPHER_KEY_CMD
278 * (2) WMI_SET_APPIE_CMD
280 rc
= wmi_del_cipher_key(wil
, 0, bss
->bssid
);
282 wil_err(wil
, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
285 /* WMI_SET_APPIE_CMD */
286 rc
= wmi_set_ie(wil
, WMI_FRAME_ASSOC_REQ
, sme
->ie_len
, sme
->ie
);
288 wil_err(wil
, "WMI_SET_APPIE_CMD failed\n");
293 /* WMI_CONNECT_CMD */
294 memset(&conn
, 0, sizeof(conn
));
295 switch (bss
->capability
& 0x03) {
296 case WLAN_CAPABILITY_DMG_TYPE_AP
:
297 conn
.network_type
= WMI_NETTYPE_INFRA
;
299 case WLAN_CAPABILITY_DMG_TYPE_PBSS
:
300 conn
.network_type
= WMI_NETTYPE_P2P
;
303 wil_err(wil
, "Unsupported BSS type, capability= 0x%04x\n",
308 conn
.dot11_auth_mode
= WMI_AUTH11_SHARED
;
309 conn
.auth_mode
= WMI_AUTH_WPA2_PSK
;
310 conn
.pairwise_crypto_type
= WMI_CRYPT_AES_GCMP
;
311 conn
.pairwise_crypto_len
= 16;
313 conn
.dot11_auth_mode
= WMI_AUTH11_OPEN
;
314 conn
.auth_mode
= WMI_AUTH_NONE
;
317 conn
.ssid_len
= min_t(u8
, ssid_eid
[1], 32);
318 memcpy(conn
.ssid
, ssid_eid
+2, conn
.ssid_len
);
320 ch
= bss
->channel
->hw_value
;
322 wil_err(wil
, "BSS at unknown frequency %dMhz\n",
323 bss
->channel
->center_freq
);
327 conn
.channel
= ch
- 1;
329 memcpy(conn
.bssid
, bss
->bssid
, 6);
330 memcpy(conn
.dst_mac
, bss
->bssid
, 6);
332 * FW don't support scan after connection attempt
334 set_bit(wil_status_dontscan
, &wil
->status
);
336 rc
= wmi_send(wil
, WMI_CONNECT_CMDID
, &conn
, sizeof(conn
));
338 /* Connect can take lots of time */
339 mod_timer(&wil
->connect_timer
,
340 jiffies
+ msecs_to_jiffies(2000));
344 cfg80211_put_bss(bss
);
349 static int wil_cfg80211_disconnect(struct wiphy
*wiphy
,
350 struct net_device
*ndev
,
354 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
356 rc
= wmi_send(wil
, WMI_DISCONNECT_CMDID
, NULL
, 0);
361 static int wil_cfg80211_set_channel(struct wiphy
*wiphy
,
362 struct cfg80211_chan_def
*chandef
)
364 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
365 struct wireless_dev
*wdev
= wil
->wdev
;
367 wdev
->preset_chandef
= *chandef
;
372 static int wil_cfg80211_add_key(struct wiphy
*wiphy
,
373 struct net_device
*ndev
,
374 u8 key_index
, bool pairwise
,
376 struct key_params
*params
)
378 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
380 /* group key is not used */
384 return wmi_add_cipher_key(wil
, key_index
, mac_addr
,
385 params
->key_len
, params
->key
);
388 static int wil_cfg80211_del_key(struct wiphy
*wiphy
,
389 struct net_device
*ndev
,
390 u8 key_index
, bool pairwise
,
393 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
395 /* group key is not used */
399 return wmi_del_cipher_key(wil
, key_index
, mac_addr
);
402 /* Need to be present or wiphy_new() will WARN */
403 static int wil_cfg80211_set_default_key(struct wiphy
*wiphy
,
404 struct net_device
*ndev
,
405 u8 key_index
, bool unicast
,
411 static int wil_cfg80211_start_ap(struct wiphy
*wiphy
,
412 struct net_device
*ndev
,
413 struct cfg80211_ap_settings
*info
)
416 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
417 struct wireless_dev
*wdev
= ndev
->ieee80211_ptr
;
418 struct ieee80211_channel
*channel
= info
->chandef
.chan
;
419 struct cfg80211_beacon_data
*bcon
= &info
->beacon
;
420 u8 wmi_nettype
= wil_iftype_nl2wmi(wdev
->iftype
);
423 wil_err(wil
, "AP: No channel???\n");
427 wil_dbg_misc(wil
, "AP on Channel %d %d MHz, %s\n", channel
->hw_value
,
428 channel
->center_freq
, info
->privacy
? "secure" : "open");
429 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET
,
430 info
->ssid
, info
->ssid_len
);
436 rc
= wmi_set_ssid(wil
, info
->ssid_len
, info
->ssid
);
440 rc
= wmi_set_channel(wil
, channel
->hw_value
);
444 /* MAC address - pre-requisite for other commands */
445 wmi_set_mac_address(wil
, ndev
->dev_addr
);
448 /* bcon 'head IE's are not relevant for 60g band */
449 wmi_set_ie(wil
, WMI_FRAME_BEACON
, bcon
->beacon_ies_len
,
451 wmi_set_ie(wil
, WMI_FRAME_PROBE_RESP
, bcon
->proberesp_ies_len
,
452 bcon
->proberesp_ies
);
453 wmi_set_ie(wil
, WMI_FRAME_ASSOC_RESP
, bcon
->assocresp_ies_len
,
454 bcon
->assocresp_ies
);
456 wil
->secure_pcp
= info
->privacy
;
458 rc
= wmi_set_bcon(wil
, info
->beacon_interval
, wmi_nettype
);
462 /* Rx VRING. After MAC and beacon */
463 rc
= wil_rx_init(wil
);
465 netif_carrier_on(ndev
);
470 static int wil_cfg80211_stop_ap(struct wiphy
*wiphy
,
471 struct net_device
*ndev
)
474 struct wil6210_priv
*wil
= wiphy_to_wil(wiphy
);
475 struct wireless_dev
*wdev
= ndev
->ieee80211_ptr
;
476 u8 wmi_nettype
= wil_iftype_nl2wmi(wdev
->iftype
);
478 /* To stop beaconing, set BI to 0 */
479 rc
= wmi_set_bcon(wil
, 0, wmi_nettype
);
484 static struct cfg80211_ops wil_cfg80211_ops
= {
485 .scan
= wil_cfg80211_scan
,
486 .connect
= wil_cfg80211_connect
,
487 .disconnect
= wil_cfg80211_disconnect
,
488 .change_virtual_intf
= wil_cfg80211_change_iface
,
489 .get_station
= wil_cfg80211_get_station
,
490 .set_monitor_channel
= wil_cfg80211_set_channel
,
491 .add_key
= wil_cfg80211_add_key
,
492 .del_key
= wil_cfg80211_del_key
,
493 .set_default_key
= wil_cfg80211_set_default_key
,
495 .start_ap
= wil_cfg80211_start_ap
,
496 .stop_ap
= wil_cfg80211_stop_ap
,
499 static void wil_wiphy_init(struct wiphy
*wiphy
)
501 /* TODO: set real value */
502 wiphy
->max_scan_ssids
= 10;
503 wiphy
->max_num_pmkids
= 0 /* TODO: */;
504 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
505 BIT(NL80211_IFTYPE_AP
) |
506 BIT(NL80211_IFTYPE_MONITOR
);
507 /* TODO: enable P2P when integrated with supplicant:
508 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
510 wiphy
->flags
|= WIPHY_FLAG_HAVE_AP_SME
|
511 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
;
512 dev_warn(wiphy_dev(wiphy
), "%s : flags = 0x%08x\n",
513 __func__
, wiphy
->flags
);
514 wiphy
->probe_resp_offload
=
515 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
516 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
517 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
519 wiphy
->bands
[IEEE80211_BAND_60GHZ
] = &wil_band_60ghz
;
521 /* TODO: figure this out */
522 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
524 wiphy
->cipher_suites
= wil_cipher_suites
;
525 wiphy
->n_cipher_suites
= ARRAY_SIZE(wil_cipher_suites
);
526 wiphy
->mgmt_stypes
= wil_mgmt_stypes
;
529 struct wireless_dev
*wil_cfg80211_init(struct device
*dev
)
532 struct wireless_dev
*wdev
;
534 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
536 return ERR_PTR(-ENOMEM
);
538 wdev
->wiphy
= wiphy_new(&wil_cfg80211_ops
,
539 sizeof(struct wil6210_priv
));
545 set_wiphy_dev(wdev
->wiphy
, dev
);
546 wil_wiphy_init(wdev
->wiphy
);
548 rc
= wiphy_register(wdev
->wiphy
);
555 wiphy_free(wdev
->wiphy
);
562 void wil_wdev_free(struct wil6210_priv
*wil
)
564 struct wireless_dev
*wdev
= wil_to_wdev(wil
);
569 wiphy_unregister(wdev
->wiphy
);
570 wiphy_free(wdev
->wiphy
);