1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
|
/*
* Copyright (c) 2010 Broadcom Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/netdevice.h>
#include <linux/module.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "core.h"
#include "bus.h"
#include "debug.h"
#include "fwil.h"
#include "fwil_types.h"
#include "tracepoint.h"
#include "common.h"
MODULE_AUTHOR("Broadcom Corporation");
MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver.");
MODULE_LICENSE("Dual BSD/GPL");
const u8 ALLFFMAC[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
/* boost value for RSSI_DELTA in preferred join selection */
#define BRCMF_JOIN_PREF_RSSI_BOOST 8
#define BRCMF_DEFAULT_TXGLOM_SIZE 32 /* max tx frames in glom chain */
static int brcmf_sdiod_txglomsz = BRCMF_DEFAULT_TXGLOM_SIZE;
module_param_named(txglomsz, brcmf_sdiod_txglomsz, int, 0);
MODULE_PARM_DESC(txglomsz, "Maximum tx packet chain size [SDIO]");
/* Debug level configuration. See debug.h for bits, sysfs modifiable */
int brcmf_msg_level;
module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR);
MODULE_PARM_DESC(debug, "Level of debug output");
static int brcmf_p2p_enable;
module_param_named(p2pon, brcmf_p2p_enable, int, 0);
MODULE_PARM_DESC(p2pon, "Enable legacy p2p management functionality");
static int brcmf_feature_disable;
module_param_named(feature_disable, brcmf_feature_disable, int, 0);
MODULE_PARM_DESC(feature_disable, "Disable features");
static char brcmf_firmware_path[BRCMF_FW_ALTPATH_LEN];
module_param_string(alternative_fw_path, brcmf_firmware_path,
BRCMF_FW_ALTPATH_LEN, S_IRUSR);
MODULE_PARM_DESC(alternative_fw_path, "Alternative firmware path");
static int brcmf_fcmode;
module_param_named(fcmode, brcmf_fcmode, int, 0);
MODULE_PARM_DESC(fcmode, "Mode of firmware signalled flow control");
static int brcmf_roamoff;
module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
MODULE_PARM_DESC(roamoff, "Do not use internal roaming engine");
#ifdef DEBUG
/* always succeed brcmf_bus_start() */
static int brcmf_ignore_probe_fail;
module_param_named(ignore_probe_fail, brcmf_ignore_probe_fail, int, 0);
MODULE_PARM_DESC(ignore_probe_fail, "always succeed probe for debugging");
#endif
struct brcmf_mp_global_t brcmf_mp_global;
int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
{
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
u8 buf[BRCMF_DCMD_SMLEN];
struct brcmf_join_pref_params join_pref_params[2];
struct brcmf_rev_info_le revinfo;
struct brcmf_rev_info *ri;
char *ptr;
s32 err;
/* retreive mac address */
err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
sizeof(ifp->mac_addr));
if (err < 0) {
brcmf_err("Retreiving cur_etheraddr failed, %d\n", err);
goto done;
}
memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac));
err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_REVINFO,
&revinfo, sizeof(revinfo));
ri = &ifp->drvr->revinfo;
if (err < 0) {
brcmf_err("retrieving revision info failed, %d\n", err);
} else {
ri->vendorid = le32_to_cpu(revinfo.vendorid);
ri->deviceid = le32_to_cpu(revinfo.deviceid);
ri->radiorev = le32_to_cpu(revinfo.radiorev);
ri->chiprev = le32_to_cpu(revinfo.chiprev);
ri->corerev = le32_to_cpu(revinfo.corerev);
ri->boardid = le32_to_cpu(revinfo.boardid);
ri->boardvendor = le32_to_cpu(revinfo.boardvendor);
ri->boardrev = le32_to_cpu(revinfo.boardrev);
ri->driverrev = le32_to_cpu(revinfo.driverrev);
ri->ucoderev = le32_to_cpu(revinfo.ucoderev);
ri->bus = le32_to_cpu(revinfo.bus);
ri->chipnum = le32_to_cpu(revinfo.chipnum);
ri->phytype = le32_to_cpu(revinfo.phytype);
ri->phyrev = le32_to_cpu(revinfo.phyrev);
ri->anarev = le32_to_cpu(revinfo.anarev);
ri->chippkg = le32_to_cpu(revinfo.chippkg);
ri->nvramrev = le32_to_cpu(revinfo.nvramrev);
}
ri->result = err;
/* query for 'ver' to get version info from firmware */
memset(buf, 0, sizeof(buf));
strcpy(buf, "ver");
err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
if (err < 0) {
brcmf_err("Retreiving version information failed, %d\n",
err);
goto done;
}
ptr = (char *)buf;
strsep(&ptr, "\n");
/* Print fw version info */
brcmf_err("Firmware version = %s\n", buf);
/* locate firmware version number for ethtool */
ptr = strrchr(buf, ' ') + 1;
strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver));
/* set mpc */
err = brcmf_fil_iovar_int_set(ifp, "mpc", 1);
if (err) {
brcmf_err("failed setting mpc\n");
goto done;
}
/* Setup join_pref to select target by RSSI(with boost on 5GHz) */
join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA;
join_pref_params[0].len = 2;
join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST;
join_pref_params[0].band = WLC_BAND_5G;
join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI;
join_pref_params[1].len = 2;
join_pref_params[1].rssi_gain = 0;
join_pref_params[1].band = 0;
err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
sizeof(join_pref_params));
if (err)
brcmf_err("Set join_pref error (%d)\n", err);
/* Setup event_msgs, enable E_IF */
err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
BRCMF_EVENTING_MASK_LEN);
if (err) {
brcmf_err("Get event_msgs error (%d)\n", err);
goto done;
}
setbit(eventmask, BRCMF_E_IF);
err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
BRCMF_EVENTING_MASK_LEN);
if (err) {
brcmf_err("Set event_msgs error (%d)\n", err);
goto done;
}
/* Setup default scan channel time */
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
if (err) {
brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
err);
goto done;
}
/* Setup default scan unassoc time */
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
if (err) {
brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
err);
goto done;
}
/* Enable tx beamforming, errors can be ignored (not supported) */
(void)brcmf_fil_iovar_int_set(ifp, "txbf", 1);
/* do bus specific preinit here */
err = brcmf_bus_preinit(ifp->drvr->bus_if);
done:
return err;
}
#if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG)
void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
if (brcmf_msg_level & level)
pr_debug("%s %pV", func, &vaf);
trace_brcmf_dbg(level, func, &vaf);
va_end(args);
}
#endif
static void brcmf_mp_attach(void)
{
strlcpy(brcmf_mp_global.firmware_path, brcmf_firmware_path,
BRCMF_FW_ALTPATH_LEN);
}
int brcmf_mp_device_attach(struct brcmf_pub *drvr)
{
drvr->settings = kzalloc(sizeof(*drvr->settings), GFP_ATOMIC);
if (!drvr->settings)
return -ENOMEM;
drvr->settings->sdiod_txglomsz = brcmf_sdiod_txglomsz;
drvr->settings->p2p_enable = !!brcmf_p2p_enable;
drvr->settings->feature_disable = brcmf_feature_disable;
drvr->settings->fcmode = brcmf_fcmode;
drvr->settings->roamoff = !!brcmf_roamoff;
#ifdef DEBUG
drvr->settings->ignore_probe_fail = !!brcmf_ignore_probe_fail;
#endif
return 0;
}
void brcmf_mp_device_detach(struct brcmf_pub *drvr)
{
kfree(drvr->settings);
}
static int __init brcmfmac_module_init(void)
{
int err;
/* Initialize debug system first */
brcmf_debugfs_init();
#ifdef CONFIG_BRCMFMAC_SDIO
brcmf_sdio_init();
#endif
/* Initialize global module paramaters */
brcmf_mp_attach();
/* Continue the initialization by registering the different busses */
err = brcmf_core_init();
if (err)
brcmf_debugfs_exit();
return err;
}
static void __exit brcmfmac_module_exit(void)
{
brcmf_core_exit();
brcmf_debugfs_exit();
}
module_init(brcmfmac_module_init);
module_exit(brcmfmac_module_exit);
|
