summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/brcm80211/brcmfmac/common.c
blob: fe54844c75e089cfba03ef8add1e5aae9648d9be (plain)
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
/*
 * 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 <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"

const u8 ALLFFMAC[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };

#define BRCMF_DEFAULT_BCN_TIMEOUT	3
#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

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 timeout if Beacons are lost and roam is off to report
	 * link down
	 */
	err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
				      BRCMF_DEFAULT_BCN_TIMEOUT);
	if (err) {
		brcmf_err("bcn_timeout error (%d)\n", err);
		goto done;
	}

	/* Enable/Disable build-in roaming to allowed ext supplicant to take
	 * of romaing
	 */
	err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
	if (err) {
		brcmf_err("roam_off error (%d)\n", err);
		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;
	}

	/* 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