projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...
[deliverable/linux.git] / drivers / net / wireless / brcm80211 / brcmfmac / cfg80211.h
CommitLineData
5b435de0
AS		 1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
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.
7 *
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 ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
bfe81975
HM		 17#ifndef BRCMFMAC_CFG80211_H
18#define BRCMFMAC_CFG80211_H
5b435de0 19
83cf17aa
FL		 20/* for brcmu_d11inf */
21#include <brcmu_d11.h>
22
f0799895
HM		 23#define WL_NUM_SCAN_MAX 10
24#define WL_NUM_PMKIDS_MAX MAXPMKID
5b435de0
AS		 25#define WL_TLV_INFO_MAX 1024
26#define WL_BSS_INFO_MAX 2048
f0799895
HM		 27#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
28#define WL_EXTRA_BUF_MAX 2048
5b435de0
AS		 29#define WL_ROAM_TRIGGER_LEVEL -75
30#define WL_ROAM_DELTA 20
31#define WL_BEACON_TIMEOUT 3
32
33#define WL_SCAN_CHANNEL_TIME 40
34#define WL_SCAN_UNASSOC_TIME 40
35#define WL_SCAN_PASSIVE_TIME 120
36
e756af5b 37#define WL_ESCAN_BUF_SIZE (1024 * 64)
ef8596e1 38#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */
e756af5b
HM		 39
40#define WL_ESCAN_ACTION_START 1
41#define WL_ESCAN_ACTION_CONTINUE 2
42#define WL_ESCAN_ACTION_ABORT 3
43
f09d0c02 44#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
1a873342 45#define IE_MAX_LEN 512
f09d0c02 46
9f440b7b
AS		 47/* IE TLV processing */
48#define TLV_LEN_OFF 1 /* length offset */
49#define TLV_HDR_LEN 2 /* header length */
50#define TLV_BODY_OFF 2 /* body offset */
51#define TLV_OUI_LEN 3 /* oui id length */
52
53/* 802.11 Mgmt Packet flags */
54#define BRCMF_VNDR_IE_BEACON_FLAG 0x1
55#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2
56#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4
57#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8
58#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10
59#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20
60/* vendor IE in IW advertisement protocol ID field */
61#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40
62/* allow custom IE id */
63#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100
64
65/* P2P Action Frames flags (spec ordered) */
66#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000
67#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000
68#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000
69#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000
70#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000
71#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000
72#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000
73#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000
74#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000
75
76#define BRCMF_VNDR_IE_P2PAF_SHIFT 12
77
118eb304
HM		 78#define BRCMF_MAX_DEFAULT_KEYS 4
79
9f440b7b 80
c1179033 81/**
1687eee2 82 * enum brcmf_scan_status - scan engine status
c1179033
AS		 83 *
84 * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
85 * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
1687eee2 86 * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
c1179033
AS		 87 */
88enum brcmf_scan_status {
89 BRCMF_SCAN_STATUS_BUSY,
90 BRCMF_SCAN_STATUS_ABORT,
1687eee2 91 BRCMF_SCAN_STATUS_SUPPRESS,
5b435de0
AS		 92};
93
5b435de0
AS		 94/* dongle configuration */
95struct brcmf_cfg80211_conf {
5b435de0
AS		 96 u32 frag_threshold;
97 u32 rts_threshold;
98 u32 retry_short;
99 u32 retry_long;
100 s32 tx_power;
101 struct ieee80211_channel channel;
102};
103
5b435de0
AS		 104/* basic structure of scan request */
105struct brcmf_cfg80211_scan_req {
106 struct brcmf_ssid_le ssid_le;
107};
108
109/* basic structure of information element */
110struct brcmf_cfg80211_ie {
111 u16 offset;
112 u8 buf[WL_TLV_INFO_MAX];
113};
114
5b435de0
AS		 115/* security information with currently associated ap */
116struct brcmf_cfg80211_security {
117 u32 wpa_versions;
118 u32 auth_type;
119 u32 cipher_pairwise;
120 u32 cipher_group;
121 u32 wpa_auth;
122};
123
3bc0a96c
AS		 124/**
125 * struct brcmf_cfg80211_profile - profile information.
126 *
127 * @ssid: ssid of associated/associating ap.
128 * @bssid: bssid of joined/joining ibss.
129 * @sec: security information.
118eb304 130 * @key: key information
3bc0a96c 131 */
5b435de0 132struct brcmf_cfg80211_profile {
5b435de0
AS		 133 struct brcmf_ssid ssid;
134 u8 bssid[ETH_ALEN];
5b435de0 135 struct brcmf_cfg80211_security sec;
118eb304 136 struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS];
5b435de0
AS		 137};
138
c1179033
AS		 139/**
140 * enum brcmf_vif_status - bit indices for vif status.
141 *
142 * @BRCMF_VIF_STATUS_READY: ready for operation.
143 * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
144 * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
5f4f9f11 145 * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
c1179033
AS		 146 * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
147 * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
148 */
149enum brcmf_vif_status {
150 BRCMF_VIF_STATUS_READY,
151 BRCMF_VIF_STATUS_CONNECTING,
152 BRCMF_VIF_STATUS_CONNECTED,
5f4f9f11 153 BRCMF_VIF_STATUS_DISCONNECTING,
c1179033
AS		 154 BRCMF_VIF_STATUS_AP_CREATING,
155 BRCMF_VIF_STATUS_AP_CREATED
156};
157
8ff5dc92
AS		 158/**
159 * struct vif_saved_ie - holds saved IEs for a virtual interface.
160 *
9f440b7b 161 * @probe_req_ie: IE info for probe request.
8ff5dc92
AS		 162 * @probe_res_ie: IE info for probe response.
163 * @beacon_ie: IE info for beacon frame.
9f440b7b 164 * @probe_req_ie_len: IE info length for probe request.
8ff5dc92
AS		 165 * @probe_res_ie_len: IE info length for probe response.
166 * @beacon_ie_len: IE info length for beacon frame.
167 */
168struct vif_saved_ie {
dae3a273 169 u8 probe_req_ie[IE_MAX_LEN];
8ff5dc92
AS		 170 u8 probe_res_ie[IE_MAX_LEN];
171 u8 beacon_ie[IE_MAX_LEN];
89286dc9 172 u8 assoc_req_ie[IE_MAX_LEN];
9f440b7b 173 u32 probe_req_ie_len;
8ff5dc92
AS		 174 u32 probe_res_ie_len;
175 u32 beacon_ie_len;
89286dc9 176 u32 assoc_req_ie_len;
8ff5dc92
AS		 177};
178
3eacf866
AS		 179/**
180 * struct brcmf_cfg80211_vif - virtual interface specific information.
181 *
182 * @ifp: lower layer interface pointer
183 * @wdev: wireless device.
6ac4f4ed 184 * @profile: profile information.
3eacf866 185 * @roam_off: roaming state.
c1179033 186 * @sme_state: SME state using enum brcmf_vif_status bits.
3eacf866
AS		 187 * @pm_block: power-management blocked.
188 * @list: linked list.
0de8aace 189 * @mgmt_rx_reg: registered rx mgmt frame types.
a44aa400 190 * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
3eacf866
AS		 191 */
192struct brcmf_cfg80211_vif {
193 struct brcmf_if *ifp;
194 struct wireless_dev wdev;
6ac4f4ed 195 struct brcmf_cfg80211_profile profile;
3eacf866 196 s32 roam_off;
c1179033 197 unsigned long sme_state;
3eacf866 198 bool pm_block;
8ff5dc92 199 struct vif_saved_ie saved_ie;
3eacf866 200 struct list_head list;
0de8aace 201 u16 mgmt_rx_reg;
a44aa400 202 bool mbss;
98027769 203 int is_11d;
3eacf866
AS		 204};
205
5b435de0
AS		 206/* association inform */
207struct brcmf_cfg80211_connect_info {
208 u8 *req_ie;
209 s32 req_ie_len;
210 u8 *resp_ie;
211 s32 resp_ie_len;
212};
213
214/* assoc ie length */
c4e382d2
AS		 215struct brcmf_cfg80211_assoc_ielen_le {
216 __le32 req_len;
217 __le32 resp_len;
5b435de0
AS		 218};
219
220/* wpa2 pmk list */
221struct brcmf_cfg80211_pmk_list {
222 struct pmkid_list pmkids;
223 struct pmkid foo[MAXPMKID - 1];
224};
225
e756af5b
HM		 226/* dongle escan state */
227enum wl_escan_state {
228 WL_ESCAN_STATE_IDLE,
229 WL_ESCAN_STATE_SCANNING
230};
231
232struct escan_info {
233 u32 escan_state;
234 u8 escan_buf[WL_ESCAN_BUF_SIZE];
235 struct wiphy *wiphy;
a0f472ac
AS		 236 struct brcmf_if *ifp;
237 s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
9f440b7b 238 struct cfg80211_scan_request *request, u16 action);
e756af5b
HM		 239};
240
e5806072
AS		 241/**
242 * struct brcmf_pno_param_le - PNO scan configuration parameters
243 *
244 * @version: PNO parameters version.
245 * @scan_freq: scan frequency.
246 * @lost_network_timeout: #sec. to declare discovered network as lost.
247 * @flags: Bit field to control features of PFN such as sort criteria auto
248 * enable switch and background scan.
249 * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
250 * criteria.
251 * @bestn: number of best networks in each scan.
252 * @mscan: number of scans recorded.
253 * @repeat: minimum number of scan intervals before scan frequency changes
254 * in adaptive scan.
255 * @exp: exponent of 2 for maximum scan interval.
256 * @slow_freq: slow scan period.
257 */
258struct brcmf_pno_param_le {
259 __le32 version;
260 __le32 scan_freq;
261 __le32 lost_network_timeout;
262 __le16 flags;
263 __le16 rssi_margin;
264 u8 bestn;
265 u8 mscan;
266 u8 repeat;
267 u8 exp;
268 __le32 slow_freq;
269};
270
271/**
272 * struct brcmf_pno_net_param_le - scan parameters per preferred network.
273 *
274 * @ssid: ssid name and its length.
275 * @flags: bit2: hidden.
276 * @infra: BSS vs IBSS.
277 * @auth: Open vs Closed.
278 * @wpa_auth: WPA type.
279 * @wsec: wsec value.
280 */
281struct brcmf_pno_net_param_le {
282 struct brcmf_ssid_le ssid;
283 __le32 flags;
284 __le32 infra;
285 __le32 auth;
286 __le32 wpa_auth;
287 __le32 wsec;
288};
289
290/**
291 * struct brcmf_pno_net_info_le - information per found network.
292 *
293 * @bssid: BSS network identifier.
294 * @channel: channel number only.
295 * @SSID_len: length of ssid.
296 * @SSID: ssid characters.
297 * @RSSI: receive signal strength (in dBm).
298 * @timestamp: age in seconds.
299 */
300struct brcmf_pno_net_info_le {
301 u8 bssid[ETH_ALEN];
302 u8 channel;
303 u8 SSID_len;
304 u8 SSID[32];
305 __le16 RSSI;
306 __le16 timestamp;
307};
308
309/**
310 * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
311 *
312 * @version: PNO version identifier.
313 * @status: indicates completion status of PNO scan.
314 * @count: amount of brcmf_pno_net_info_le entries appended.
315 */
316struct brcmf_pno_scanresults_le {
317 __le32 version;
318 __le32 status;
319 __le32 count;
320};
321
d3c0b633
AS		 322/**
323 * struct brcmf_cfg80211_vif_event - virtual interface event information.
324 *
325 * @vif_wq: waitqueue awaiting interface event from firmware.
326 * @vif_event_lock: protects other members in this structure.
327 * @vif_complete: completion for net attach.
328 * @action: either add, change, or delete.
329 * @vif: virtual interface object related to the event.
330 */
331struct brcmf_cfg80211_vif_event {
332 wait_queue_head_t vif_wq;
333 struct mutex vif_event_lock;
d3c0b633
AS		 334 u8 action;
335 struct brcmf_cfg80211_vif *vif;
336};
337
02030eb6 338/**
27a68fe3 339 * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
02030eb6 340 *
3eacf866 341 * @wiphy: wiphy object for cfg80211 interface.
02030eb6 342 * @conf: dongle configuration.
9f440b7b 343 * @p2p: peer-to-peer specific information.
61730d4d 344 * @btcoex: Bluetooth coexistence information.
02030eb6 345 * @scan_request: cfg80211 scan request object.
02030eb6
AS		 346 * @usr_sync: mainly for dongle up/down synchronization.
347 * @bss_list: bss_list holding scanned ap information.
02030eb6
AS		 348 * @scan_req_int: internal scan request object.
349 * @bss_info: bss information for cfg80211 layer.
350 * @ie: information element object for internal purpose.
02030eb6
AS		 351 * @conn_info: association info.
352 * @pmk_list: wpa2 pmk list.
c1179033 353 * @scan_status: scan activity on the dongle.
02030eb6
AS		 354 * @pub: common driver information.
355 * @channel: current channel.
02030eb6
AS		 356 * @active_scan: current scan mode.
357 * @sched_escan: e-scan for scheduled scan support running.
358 * @ibss_starter: indicates this sta is ibss starter.
02030eb6
AS		 359 * @pwr_save: indicate whether dongle to support power save mode.
360 * @dongle_up: indicate whether dongle up or not.
361 * @roam_on: on/off switch for dongle self-roaming.
362 * @scan_tried: indicates if first scan attempted.
363 * @dcmd_buf: dcmd buffer.
364 * @extra_buf: mainly to grab assoc information.
365 * @debugfsdir: debugfs folder for this device.
02030eb6
AS		 366 * @escan_info: escan information.
367 * @escan_timeout: Timer for catch scan timeout.
368 * @escan_timeout_work: scan timeout worker.
369 * @escan_ioctl_buf: dongle command buffer for escan commands.
3eacf866
AS		 370 * @vif_list: linked list of vif instances.
371 * @vif_cnt: number of vif instances.
d3c0b633 372 * @vif_event: vif event signalling.
4eb3af7c
HM		 373 * @wowl_enabled; set during suspend, is wowl used.
374 * @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
02030eb6 375 */
27a68fe3 376struct brcmf_cfg80211_info {
3eacf866 377 struct wiphy *wiphy;
02030eb6 378 struct brcmf_cfg80211_conf *conf;
9f440b7b 379 struct brcmf_p2p_info p2p;
61730d4d 380 struct brcmf_btcoex_info *btcoex;
02030eb6 381 struct cfg80211_scan_request *scan_request;
02030eb6 382 struct mutex usr_sync;
f0799895 383 struct brcmf_cfg80211_scan_req scan_req_int;
02030eb6
AS		 384 struct wl_cfg80211_bss_info *bss_info;
385 struct brcmf_cfg80211_ie ie;
02030eb6
AS		 386 struct brcmf_cfg80211_connect_info conn_info;
387 struct brcmf_cfg80211_pmk_list *pmk_list;
c1179033 388 unsigned long scan_status;
ee928381 389 struct brcmf_pub *pub;
02030eb6 390 u32 channel;
02030eb6
AS		 391 bool active_scan;
392 bool sched_escan;
393 bool ibss_starter;
02030eb6
AS		 394 bool pwr_save;
395 bool dongle_up;
02030eb6
AS		 396 bool scan_tried;
397 u8 *dcmd_buf;
398 u8 *extra_buf;
5b435de0 399 struct dentry *debugfsdir;
02030eb6
AS		 400 struct escan_info escan_info;
401 struct timer_list escan_timeout;
402 struct work_struct escan_timeout_work;
e756af5b 403 u8 *escan_ioctl_buf;
3eacf866 404 struct list_head vif_list;
d3c0b633 405 struct brcmf_cfg80211_vif_event vif_event;
5f4f9f11 406 struct completion vif_disabled;
83cf17aa 407 struct brcmu_d11inf d11inf;
4eb3af7c
HM		 408 bool wowl_enabled;
409 u32 pre_wowl_pmmode;
5b435de0
AS		 410};
411
9f440b7b
AS		 412/**
413 * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
414 *
415 * @id: tag identifier.
416 * @len: number of bytes in value buffer.
417 * @data: value buffer.
418 */
419struct brcmf_tlv {
420 u8 id;
421 u8 len;
422 u8 data[1];
423};
424
3eacf866 425static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
5b435de0 426{
3eacf866 427 return cfg->wiphy;
5b435de0
AS		 428}
429
27a68fe3 430static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
5b435de0 431{
27a68fe3 432 return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
5b435de0
AS		 433}
434
27a68fe3 435static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
5b435de0 436{
27a68fe3 437 return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
5b435de0
AS		 438}
439
3eacf866
AS		 440static inline
441struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
5b435de0 442{
3eacf866
AS		 443 struct brcmf_cfg80211_vif *vif;
444 vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
445 return vif->wdev.netdev;
5b435de0
AS		 446}
447
27a68fe3 448static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
5b435de0
AS		 449{
450 return wdev_to_cfg(ndev->ieee80211_ptr);
451}
452
6ac4f4ed
AS		 453static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
454{
455 struct brcmf_if *ifp = netdev_priv(nd);
456 return &ifp->vif->profile;
457}
458
1332e26e
AS		 459static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
460{
461 struct brcmf_if *ifp = netdev_priv(ndev);
462 return ifp->vif;
463}
464
5b435de0 465static inline struct
27a68fe3 466brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 467{
468 return &cfg->conn_info;
469}
470
d9cb2596
AS		 471struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
472 struct device *busdev);
27a68fe3 473void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
bdf5ff51
AS		 474s32 brcmf_cfg80211_up(struct net_device *ndev);
475s32 brcmf_cfg80211_down(struct net_device *ndev);
a7965fbb 476enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
5b435de0 477
9f440b7b 478struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 479 enum nl80211_iftype type,
480 bool pm_block);
427dec5f 481void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
9f440b7b
AS		 482
483s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
484 const u8 *vndr_ie_buf, u32 vndr_ie_len);
5f4f9f11 485s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
4b5800fe
JB		 486const struct brcmf_tlv *
487brcmf_parse_tlvs(const void *buf, int buflen, uint key);
83cf17aa
FL		 488u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
489 struct ieee80211_channel *ch);
bfe81975
HM		 490bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
491 unsigned long state);
d3c0b633
AS		 492void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
493 struct brcmf_cfg80211_vif *vif);
494bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
495int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
496 u8 action, ulong timeout);
7a5c1f64 497s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
a0f472ac
AS		 498 struct brcmf_if *ifp, bool aborted,
499 bool fw_abort);
f96aa07e 500void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
18e2f61d 501void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
9df4d542 502void brcmf_cfg80211_free_netdev(struct net_device *ndev);
9f440b7b 503
bfe81975 504#endif /* BRCMFMAC_CFG80211_H */
Linux kernel - Deliverables
This page took 0.334746 seconds and 5 git commands to generate.