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1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (c) 2014 Broadcom Corporation
4 */
5
6#include <linux/netdevice.h>
7#include <linux/module.h>
8
9#include <brcm_hw_ids.h>
10#include <brcmu_wifi.h>
11#include "core.h"
12#include "bus.h"
13#include "debug.h"
14#include "fwil.h"
15#include "fwil_types.h"
16#include "fwvid.h"
17#include "feature.h"
18#include "common.h"
19
20#define BRCMF_FW_UNSUPPORTED 23
21
22/*
23 * expand feature list to array of feature strings.
24 */
25#define BRCMF_FEAT_DEF(_f) \
26 #_f,
27static const char *brcmf_feat_names[] = {
28 BRCMF_FEAT_LIST
29};
30#undef BRCMF_FEAT_DEF
31
32struct brcmf_feat_fwcap {
33 enum brcmf_feat_id feature;
34 const char * const fwcap_id;
35};
36
37static const struct brcmf_feat_fwcap brcmf_fwcap_map[] = {
38 { BRCMF_FEAT_MBSS, "mbss" },
39 { BRCMF_FEAT_MCHAN, "mchan" },
40 { BRCMF_FEAT_P2P, "p2p" },
41 { BRCMF_FEAT_MONITOR, "monitor" },
42 { BRCMF_FEAT_MONITOR_FLAG, "rtap" },
43 { BRCMF_FEAT_MONITOR_FMT_RADIOTAP, "rtap" },
44 { BRCMF_FEAT_DOT11H, "802.11h" },
45 { BRCMF_FEAT_SAE, "sae" },
46 { BRCMF_FEAT_FWAUTH, "idauth" },
47};
48
49#ifdef DEBUG
50/*
51 * expand quirk list to array of quirk strings.
52 */
53#define BRCMF_QUIRK_DEF(_q) \
54 #_q,
55static const char * const brcmf_quirk_names[] = {
56 BRCMF_QUIRK_LIST
57};
58#undef BRCMF_QUIRK_DEF
59
60/**
61 * brcmf_feat_debugfs_read() - expose feature info to debugfs.
62 *
63 * @seq: sequence for debugfs entry.
64 * @data: raw data pointer.
65 */
66static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
67{
68 struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
69 u32 feats = bus_if->drvr->feat_flags;
70 u32 quirks = bus_if->drvr->chip_quirks;
71 int id;
72
73 seq_printf(seq, "Features: %08x\n", feats);
74 for (id = 0; id < BRCMF_FEAT_LAST; id++)
75 if (feats & BIT(id))
76 seq_printf(seq, "\t%s\n", brcmf_feat_names[id]);
77 seq_printf(seq, "\nQuirks: %08x\n", quirks);
78 for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++)
79 if (quirks & BIT(id))
80 seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]);
81 return 0;
82}
83#else
84static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
85{
86 return 0;
87}
88#endif /* DEBUG */
89
90struct brcmf_feat_fwfeat {
91 const char * const fwid;
92 u32 feat_flags;
93};
94
95static const struct brcmf_feat_fwfeat brcmf_feat_fwfeat_map[] = {
96 /* brcmfmac43602-pcie.ap.bin from linux-firmware.git commit ea1178515b88 */
97 { "01-6cb8e269", BIT(BRCMF_FEAT_MONITOR) },
98 /* brcmfmac4366b-pcie.bin from linux-firmware.git commit 52442afee990 */
99 { "01-c47a91a4", BIT(BRCMF_FEAT_MONITOR) },
100 /* brcmfmac4366b-pcie.bin from linux-firmware.git commit 211de1679a68 */
101 { "01-801fb449", BIT(BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR) },
102 /* brcmfmac4366c-pcie.bin from linux-firmware.git commit 211de1679a68 */
103 { "01-d2cbb8fd", BIT(BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR) },
104};
105
106static void brcmf_feat_firmware_overrides(struct brcmf_pub *drv)
107{
108 const struct brcmf_feat_fwfeat *e;
109 u32 feat_flags = 0;
110 int i;
111
112 for (i = 0; i < ARRAY_SIZE(brcmf_feat_fwfeat_map); i++) {
113 e = &brcmf_feat_fwfeat_map[i];
114 if (!strcmp(e->fwid, drv->fwver)) {
115 feat_flags = e->feat_flags;
116 break;
117 }
118 }
119
120 if (!feat_flags)
121 return;
122
123 for (i = 0; i < BRCMF_FEAT_LAST; i++)
124 if (feat_flags & BIT(i))
125 brcmf_dbg(INFO, "enabling firmware feature: %s\n",
126 brcmf_feat_names[i]);
127 drv->feat_flags |= feat_flags;
128}
129
130struct brcmf_feat_wlcfeat {
131 u16 min_ver_major;
132 u16 min_ver_minor;
133 u32 feat_flags;
134};
135
136static const struct brcmf_feat_wlcfeat brcmf_feat_wlcfeat_map[] = {
137 { 12, 0, BIT(BRCMF_FEAT_PMKID_V2) },
138 { 13, 0, BIT(BRCMF_FEAT_PMKID_V3) },
139};
140
141static void brcmf_feat_wlc_version_overrides(struct brcmf_pub *drv)
142{
143 struct brcmf_if *ifp = brcmf_get_ifp(drv, 0);
144 const struct brcmf_feat_wlcfeat *e;
145 struct brcmf_wlc_version_le ver;
146 u32 feat_flags = 0;
147 int i, err, major, minor;
148
149 err = brcmf_fil_iovar_data_get(ifp, "wlc_ver", &ver, sizeof(ver));
150 if (err)
151 return;
152
153 major = le16_to_cpu(ver.wlc_ver_major);
154 minor = le16_to_cpu(ver.wlc_ver_minor);
155
156 brcmf_dbg(INFO, "WLC version: %d.%d\n", major, minor);
157
158 for (i = 0; i < ARRAY_SIZE(brcmf_feat_wlcfeat_map); i++) {
159 e = &brcmf_feat_wlcfeat_map[i];
160 if (major > e->min_ver_major ||
161 (major == e->min_ver_major &&
162 minor >= e->min_ver_minor)) {
163 feat_flags |= e->feat_flags;
164 }
165 }
166
167 if (!feat_flags)
168 return;
169
170 for (i = 0; i < BRCMF_FEAT_LAST; i++)
171 if (feat_flags & BIT(i))
172 brcmf_dbg(INFO, "enabling firmware feature: %s\n",
173 brcmf_feat_names[i]);
174 drv->feat_flags |= feat_flags;
175}
176
177/**
178 * brcmf_feat_iovar_int_get() - determine feature through iovar query.
179 *
180 * @ifp: interface to query.
181 * @id: feature id.
182 * @name: iovar name.
183 */
184static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
185 enum brcmf_feat_id id, char *name)
186{
187 u32 data = 0;
188 int err;
189
190 /* we need to know firmware error */
191 ifp->fwil_fwerr = true;
192
193 err = brcmf_fil_iovar_int_get(ifp, name, &data);
194 if (err != -BRCMF_FW_UNSUPPORTED) {
195 brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
196 ifp->drvr->feat_flags |= BIT(id);
197 } else {
198 brcmf_dbg(TRACE, "%s feature check failed: %d\n",
199 brcmf_feat_names[id], err);
200 }
201
202 ifp->fwil_fwerr = false;
203}
204
205static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp,
206 enum brcmf_feat_id id, char *name,
207 const void *data, size_t len)
208{
209 int err;
210
211 /* we need to know firmware error */
212 ifp->fwil_fwerr = true;
213
214 err = brcmf_fil_iovar_data_set(ifp, name, data, len);
215 if (err != -BRCMF_FW_UNSUPPORTED) {
216 brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
217 ifp->drvr->feat_flags |= BIT(id);
218 } else {
219 brcmf_dbg(TRACE, "%s feature check failed: %d\n",
220 brcmf_feat_names[id], err);
221 }
222
223 ifp->fwil_fwerr = false;
224}
225
226#define MAX_CAPS_BUFFER_SIZE 768
227static void brcmf_feat_firmware_capabilities(struct brcmf_if *ifp)
228{
229 struct brcmf_pub *drvr = ifp->drvr;
230 char caps[MAX_CAPS_BUFFER_SIZE];
231 enum brcmf_feat_id id;
232 int i, err;
233
234 err = brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps));
235 if (err) {
236 bphy_err(drvr, "could not get firmware cap (%d)\n", err);
237 return;
238 }
239
240 brcmf_dbg(INFO, "[ %s]\n", caps);
241
242 for (i = 0; i < ARRAY_SIZE(brcmf_fwcap_map); i++) {
243 if (strnstr(caps, brcmf_fwcap_map[i].fwcap_id, sizeof(caps))) {
244 id = brcmf_fwcap_map[i].feature;
245 brcmf_dbg(INFO, "enabling feature: %s\n",
246 brcmf_feat_names[id]);
247 ifp->drvr->feat_flags |= BIT(id);
248 }
249 }
250}
251
252/**
253 * brcmf_feat_fwcap_debugfs_read() - expose firmware capabilities to debugfs.
254 *
255 * @seq: sequence for debugfs entry.
256 * @data: raw data pointer.
257 */
258static int brcmf_feat_fwcap_debugfs_read(struct seq_file *seq, void *data)
259{
260 struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
261 struct brcmf_pub *drvr = bus_if->drvr;
262 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
263 char caps[MAX_CAPS_BUFFER_SIZE + 1] = { };
264 char *tmp;
265 int err;
266
267 err = brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps));
268 if (err) {
269 bphy_err(drvr, "could not get firmware cap (%d)\n", err);
270 return err;
271 }
272
273 /* Put every capability in a new line */
274 for (tmp = caps; *tmp; tmp++) {
275 if (*tmp == ' ')
276 *tmp = '\n';
277 }
278
279 /* Usually there is a space at the end of capabilities string */
280 seq_printf(seq, "%s", caps);
281 /* So make sure we don't print two line breaks */
282 if (tmp > caps && *(tmp - 1) != '\n')
283 seq_printf(seq, "\n");
284
285 return 0;
286}
287
288void brcmf_feat_attach(struct brcmf_pub *drvr)
289{
290 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
291 struct brcmf_pno_macaddr_le pfn_mac;
292 struct brcmf_gscan_config gscan_cfg;
293 u32 wowl_cap;
294 s32 err;
295
296 brcmf_feat_firmware_capabilities(ifp);
297 memset(&gscan_cfg, 0, sizeof(gscan_cfg));
298 if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID &&
299 drvr->bus_if->chip != BRCM_CC_4345_CHIP_ID &&
300 drvr->bus_if->chip != BRCM_CC_43454_CHIP_ID &&
301 drvr->bus_if->chip != CY_CC_43439_CHIP_ID)
302 brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
303 "pfn_gscan_cfg",
304 &gscan_cfg, sizeof(gscan_cfg));
305 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn");
306 if (drvr->bus_if->wowl_supported)
307 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
308 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) {
309 err = brcmf_fil_iovar_int_get(ifp, "wowl_cap", &wowl_cap);
310 if (!err) {
311 ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_WOWL_ARP_ND);
312 if (wowl_cap & BRCMF_WOWL_PFN_FOUND)
313 ifp->drvr->feat_flags |=
314 BIT(BRCMF_FEAT_WOWL_ND);
315 if (wowl_cap & BRCMF_WOWL_GTK_FAILURE)
316 ifp->drvr->feat_flags |=
317 BIT(BRCMF_FEAT_WOWL_GTK);
318 }
319 }
320 /* MBSS does not work for all chips */
321 switch (drvr->bus_if->chip) {
322 case BRCM_CC_4330_CHIP_ID:
323 case BRCM_CC_43362_CHIP_ID:
324 ifp->drvr->feat_flags &= ~BIT(BRCMF_FEAT_MBSS);
325 break;
326 default:
327 break;
328 }
329 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_RSDB, "rsdb_mode");
330 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_TDLS, "tdls_enable");
331 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MFP, "mfp");
332 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_DUMP_OBSS, "dump_obss");
333
334 pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER;
335 err = brcmf_fil_iovar_data_get(ifp, "pfn_macaddr", &pfn_mac,
336 sizeof(pfn_mac));
337 if (!err)
338 ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_SCAN_RANDOM_MAC);
339
340 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa");
341 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_SCAN_V2, "scan_ver");
342
343 brcmf_feat_wlc_version_overrides(drvr);
344 brcmf_feat_firmware_overrides(drvr);
345
346 brcmf_fwvid_feat_attach(ifp);
347
348 if (drvr->settings->feature_disable) {
349 brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
350 ifp->drvr->feat_flags,
351 drvr->settings->feature_disable);
352 ifp->drvr->feat_flags &= ~drvr->settings->feature_disable;
353 }
354
355 /* set chip related quirks */
356 switch (drvr->bus_if->chip) {
357 case BRCM_CC_43236_CHIP_ID:
358 drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH);
359 break;
360 case BRCM_CC_4329_CHIP_ID:
361 drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC);
362 break;
363 default:
364 /* no quirks */
365 break;
366 }
367}
368
369void brcmf_feat_debugfs_create(struct brcmf_pub *drvr)
370{
371 brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read);
372 brcmf_debugfs_add_entry(drvr, "fwcap", brcmf_feat_fwcap_debugfs_read);
373}
374
375bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id)
376{
377 return (ifp->drvr->feat_flags & BIT(id));
378}
379
380bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
381 enum brcmf_feat_quirk quirk)
382{
383 return (ifp->drvr->chip_quirks & BIT(quirk));
384}
1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (c) 2014 Broadcom Corporation
4 */
5
6#include <linux/netdevice.h>
7#include <linux/module.h>
8
9#include <brcm_hw_ids.h>
10#include <brcmu_wifi.h>
11#include "core.h"
12#include "bus.h"
13#include "debug.h"
14#include "fwil.h"
15#include "fwil_types.h"
16#include "feature.h"
17#include "common.h"
18
19#define BRCMF_FW_UNSUPPORTED 23
20
21/*
22 * expand feature list to array of feature strings.
23 */
24#define BRCMF_FEAT_DEF(_f) \
25 #_f,
26static const char *brcmf_feat_names[] = {
27 BRCMF_FEAT_LIST
28};
29#undef BRCMF_FEAT_DEF
30
31struct brcmf_feat_fwcap {
32 enum brcmf_feat_id feature;
33 const char * const fwcap_id;
34};
35
36static const struct brcmf_feat_fwcap brcmf_fwcap_map[] = {
37 { BRCMF_FEAT_MBSS, "mbss" },
38 { BRCMF_FEAT_MCHAN, "mchan" },
39 { BRCMF_FEAT_P2P, "p2p" },
40 { BRCMF_FEAT_MONITOR, "monitor" },
41 { BRCMF_FEAT_MONITOR_FLAG, "rtap" },
42 { BRCMF_FEAT_MONITOR_FMT_RADIOTAP, "rtap" },
43 { BRCMF_FEAT_DOT11H, "802.11h" },
44 { BRCMF_FEAT_SAE, "sae" },
45 { BRCMF_FEAT_FWAUTH, "idauth" },
46};
47
48#ifdef DEBUG
49/*
50 * expand quirk list to array of quirk strings.
51 */
52#define BRCMF_QUIRK_DEF(_q) \
53 #_q,
54static const char * const brcmf_quirk_names[] = {
55 BRCMF_QUIRK_LIST
56};
57#undef BRCMF_QUIRK_DEF
58
59/**
60 * brcmf_feat_debugfs_read() - expose feature info to debugfs.
61 *
62 * @seq: sequence for debugfs entry.
63 * @data: raw data pointer.
64 */
65static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
66{
67 struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
68 u32 feats = bus_if->drvr->feat_flags;
69 u32 quirks = bus_if->drvr->chip_quirks;
70 int id;
71
72 seq_printf(seq, "Features: %08x\n", feats);
73 for (id = 0; id < BRCMF_FEAT_LAST; id++)
74 if (feats & BIT(id))
75 seq_printf(seq, "\t%s\n", brcmf_feat_names[id]);
76 seq_printf(seq, "\nQuirks: %08x\n", quirks);
77 for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++)
78 if (quirks & BIT(id))
79 seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]);
80 return 0;
81}
82#else
83static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
84{
85 return 0;
86}
87#endif /* DEBUG */
88
89struct brcmf_feat_fwfeat {
90 const char * const fwid;
91 u32 feat_flags;
92};
93
94static const struct brcmf_feat_fwfeat brcmf_feat_fwfeat_map[] = {
95 /* brcmfmac43602-pcie.ap.bin from linux-firmware.git commit ea1178515b88 */
96 { "01-6cb8e269", BIT(BRCMF_FEAT_MONITOR) },
97 /* brcmfmac4366b-pcie.bin from linux-firmware.git commit 52442afee990 */
98 { "01-c47a91a4", BIT(BRCMF_FEAT_MONITOR) },
99 /* brcmfmac4366b-pcie.bin from linux-firmware.git commit 211de1679a68 */
100 { "01-801fb449", BIT(BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR) },
101 /* brcmfmac4366c-pcie.bin from linux-firmware.git commit 211de1679a68 */
102 { "01-d2cbb8fd", BIT(BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR) },
103};
104
105static void brcmf_feat_firmware_overrides(struct brcmf_pub *drv)
106{
107 const struct brcmf_feat_fwfeat *e;
108 u32 feat_flags = 0;
109 int i;
110
111 for (i = 0; i < ARRAY_SIZE(brcmf_feat_fwfeat_map); i++) {
112 e = &brcmf_feat_fwfeat_map[i];
113 if (!strcmp(e->fwid, drv->fwver)) {
114 feat_flags = e->feat_flags;
115 break;
116 }
117 }
118
119 if (!feat_flags)
120 return;
121
122 for (i = 0; i < BRCMF_FEAT_LAST; i++)
123 if (feat_flags & BIT(i))
124 brcmf_dbg(INFO, "enabling firmware feature: %s\n",
125 brcmf_feat_names[i]);
126 drv->feat_flags |= feat_flags;
127}
128
129/**
130 * brcmf_feat_iovar_int_get() - determine feature through iovar query.
131 *
132 * @ifp: interface to query.
133 * @id: feature id.
134 * @name: iovar name.
135 */
136static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
137 enum brcmf_feat_id id, char *name)
138{
139 u32 data;
140 int err;
141
142 /* we need to know firmware error */
143 ifp->fwil_fwerr = true;
144
145 err = brcmf_fil_iovar_int_get(ifp, name, &data);
146 if (err != -BRCMF_FW_UNSUPPORTED) {
147 brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
148 ifp->drvr->feat_flags |= BIT(id);
149 } else {
150 brcmf_dbg(TRACE, "%s feature check failed: %d\n",
151 brcmf_feat_names[id], err);
152 }
153
154 ifp->fwil_fwerr = false;
155}
156
157static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp,
158 enum brcmf_feat_id id, char *name,
159 const void *data, size_t len)
160{
161 int err;
162
163 /* we need to know firmware error */
164 ifp->fwil_fwerr = true;
165
166 err = brcmf_fil_iovar_data_set(ifp, name, data, len);
167 if (err != -BRCMF_FW_UNSUPPORTED) {
168 brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
169 ifp->drvr->feat_flags |= BIT(id);
170 } else {
171 brcmf_dbg(TRACE, "%s feature check failed: %d\n",
172 brcmf_feat_names[id], err);
173 }
174
175 ifp->fwil_fwerr = false;
176}
177
178#define MAX_CAPS_BUFFER_SIZE 768
179static void brcmf_feat_firmware_capabilities(struct brcmf_if *ifp)
180{
181 struct brcmf_pub *drvr = ifp->drvr;
182 char caps[MAX_CAPS_BUFFER_SIZE];
183 enum brcmf_feat_id id;
184 int i, err;
185
186 err = brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps));
187 if (err) {
188 bphy_err(drvr, "could not get firmware cap (%d)\n", err);
189 return;
190 }
191
192 brcmf_dbg(INFO, "[ %s]\n", caps);
193
194 for (i = 0; i < ARRAY_SIZE(brcmf_fwcap_map); i++) {
195 if (strnstr(caps, brcmf_fwcap_map[i].fwcap_id, sizeof(caps))) {
196 id = brcmf_fwcap_map[i].feature;
197 brcmf_dbg(INFO, "enabling feature: %s\n",
198 brcmf_feat_names[id]);
199 ifp->drvr->feat_flags |= BIT(id);
200 }
201 }
202}
203
204/**
205 * brcmf_feat_fwcap_debugfs_read() - expose firmware capabilities to debugfs.
206 *
207 * @seq: sequence for debugfs entry.
208 * @data: raw data pointer.
209 */
210static int brcmf_feat_fwcap_debugfs_read(struct seq_file *seq, void *data)
211{
212 struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
213 struct brcmf_pub *drvr = bus_if->drvr;
214 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
215 char caps[MAX_CAPS_BUFFER_SIZE + 1] = { };
216 char *tmp;
217 int err;
218
219 err = brcmf_fil_iovar_data_get(ifp, "cap", caps, sizeof(caps));
220 if (err) {
221 bphy_err(drvr, "could not get firmware cap (%d)\n", err);
222 return err;
223 }
224
225 /* Put every capability in a new line */
226 for (tmp = caps; *tmp; tmp++) {
227 if (*tmp == ' ')
228 *tmp = '\n';
229 }
230
231 /* Usually there is a space at the end of capabilities string */
232 seq_printf(seq, "%s", caps);
233 /* So make sure we don't print two line breaks */
234 if (tmp > caps && *(tmp - 1) != '\n')
235 seq_printf(seq, "\n");
236
237 return 0;
238}
239
240void brcmf_feat_attach(struct brcmf_pub *drvr)
241{
242 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
243 struct brcmf_pno_macaddr_le pfn_mac;
244 struct brcmf_gscan_config gscan_cfg;
245 u32 wowl_cap;
246 s32 err;
247
248 brcmf_feat_firmware_capabilities(ifp);
249 memset(&gscan_cfg, 0, sizeof(gscan_cfg));
250 if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID &&
251 drvr->bus_if->chip != BRCM_CC_4345_CHIP_ID &&
252 drvr->bus_if->chip != BRCM_CC_43454_CHIP_ID &&
253 drvr->bus_if->chip != CY_CC_43439_CHIP_ID)
254 brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
255 "pfn_gscan_cfg",
256 &gscan_cfg, sizeof(gscan_cfg));
257 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn");
258 if (drvr->bus_if->wowl_supported)
259 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
260 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) {
261 err = brcmf_fil_iovar_int_get(ifp, "wowl_cap", &wowl_cap);
262 if (!err) {
263 ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_WOWL_ARP_ND);
264 if (wowl_cap & BRCMF_WOWL_PFN_FOUND)
265 ifp->drvr->feat_flags |=
266 BIT(BRCMF_FEAT_WOWL_ND);
267 if (wowl_cap & BRCMF_WOWL_GTK_FAILURE)
268 ifp->drvr->feat_flags |=
269 BIT(BRCMF_FEAT_WOWL_GTK);
270 }
271 }
272 /* MBSS does not work for all chips */
273 switch (drvr->bus_if->chip) {
274 case BRCM_CC_4330_CHIP_ID:
275 case BRCM_CC_43362_CHIP_ID:
276 ifp->drvr->feat_flags &= ~BIT(BRCMF_FEAT_MBSS);
277 break;
278 default:
279 break;
280 }
281 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_RSDB, "rsdb_mode");
282 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_TDLS, "tdls_enable");
283 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MFP, "mfp");
284 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_DUMP_OBSS, "dump_obss");
285
286 pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER;
287 err = brcmf_fil_iovar_data_get(ifp, "pfn_macaddr", &pfn_mac,
288 sizeof(pfn_mac));
289 if (!err)
290 ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_SCAN_RANDOM_MAC);
291
292 brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa");
293
294 if (drvr->settings->feature_disable) {
295 brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
296 ifp->drvr->feat_flags,
297 drvr->settings->feature_disable);
298 ifp->drvr->feat_flags &= ~drvr->settings->feature_disable;
299 }
300
301 brcmf_feat_firmware_overrides(drvr);
302
303 /* set chip related quirks */
304 switch (drvr->bus_if->chip) {
305 case BRCM_CC_43236_CHIP_ID:
306 drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH);
307 break;
308 case BRCM_CC_4329_CHIP_ID:
309 drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC);
310 break;
311 default:
312 /* no quirks */
313 break;
314 }
315}
316
317void brcmf_feat_debugfs_create(struct brcmf_pub *drvr)
318{
319 brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read);
320 brcmf_debugfs_add_entry(drvr, "fwcap", brcmf_feat_fwcap_debugfs_read);
321}
322
323bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id)
324{
325 return (ifp->drvr->feat_flags & BIT(id));
326}
327
328bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
329 enum brcmf_feat_quirk quirk)
330{
331 return (ifp->drvr->chip_quirks & BIT(quirk));
332}