aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/libertas/ethtool.c
blob: 21e6f988ea81cf9e1753df30e98811e6c9e9da5b (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
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
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/delay.h>

#include "host.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
#include "join.h"
#include "wext.h"
#include "cmd.h"

static const char * mesh_stat_strings[]= {
			"drop_duplicate_bcast",
			"drop_ttl_zero",
			"drop_no_fwd_route",
			"drop_no_buffers",
			"fwded_unicast_cnt",
			"fwded_bcast_cnt",
			"drop_blind_table",
			"tx_failed_cnt"
};

static void lbs_ethtool_get_drvinfo(struct net_device *dev,
					 struct ethtool_drvinfo *info)
{
	struct lbs_private *priv = (struct lbs_private *) dev->priv;
	char fwver[32];

	lbs_get_fwversion(priv, fwver, sizeof(fwver) - 1);

	strcpy(info->driver, "libertas");
	strcpy(info->version, lbs_driver_version);
	strcpy(info->fw_version, fwver);
}

/* All 8388 parts have 16KiB EEPROM size at the time of writing.
 * In case that changes this needs fixing.
 */
#define LBS_EEPROM_LEN 16384

static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
{
	return LBS_EEPROM_LEN;
}

static int lbs_ethtool_get_eeprom(struct net_device *dev,
                                  struct ethtool_eeprom *eeprom, u8 * bytes)
{
	struct lbs_private *priv = (struct lbs_private *) dev->priv;
	struct lbs_ioctl_regrdwr regctrl;
	char *ptr;
	int ret;

	regctrl.action = 0;
	regctrl.offset = eeprom->offset;
	regctrl.NOB = eeprom->len;

	if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN)
		return -EINVAL;

//      mutex_lock(&priv->mutex);

	priv->prdeeprom = kmalloc(eeprom->len+sizeof(regctrl), GFP_KERNEL);
	if (!priv->prdeeprom)
		return -ENOMEM;
	memcpy(priv->prdeeprom, &regctrl, sizeof(regctrl));

	/* +14 is for action, offset, and NOB in
	 * response */
	lbs_deb_ethtool("action:%d offset: %x NOB: %02x\n",
	       regctrl.action, regctrl.offset, regctrl.NOB);

	ret = lbs_prepare_and_send_command(priv,
				    CMD_802_11_EEPROM_ACCESS,
				    regctrl.action,
				    CMD_OPTION_WAITFORRSP, 0,
				    &regctrl);

	if (ret) {
		if (priv->prdeeprom)
			kfree(priv->prdeeprom);
		goto done;
	}

	mdelay(10);

	ptr = (char *)priv->prdeeprom;

	/* skip the command header, but include the "value" u32 variable */
	ptr = ptr + sizeof(struct lbs_ioctl_regrdwr) - 4;

	/*
	 * Return the result back to the user
	 */
	memcpy(bytes, ptr, eeprom->len);

	if (priv->prdeeprom)
		kfree(priv->prdeeprom);
//	mutex_unlock(&priv->mutex);

	ret = 0;

done:
	lbs_deb_enter_args(LBS_DEB_ETHTOOL, "ret %d", ret);
        return ret;
}

static void lbs_ethtool_get_stats(struct net_device * dev,
				struct ethtool_stats * stats, u64 * data)
{
	struct lbs_private *priv = dev->priv;
	struct cmd_ds_mesh_access mesh_access;
	int ret;

	lbs_deb_enter(LBS_DEB_ETHTOOL);

	/* Get Mesh Statistics */
	ret = lbs_prepare_and_send_command(priv,
			CMD_MESH_ACCESS, CMD_ACT_MESH_GET_STATS,
			CMD_OPTION_WAITFORRSP, 0, &mesh_access);

	if (ret)
		return;

	priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
	priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
	priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
	priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
	priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
	priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
	priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
	priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);

	data[0] = priv->mstats.fwd_drop_rbt;
	data[1] = priv->mstats.fwd_drop_ttl;
	data[2] = priv->mstats.fwd_drop_noroute;
	data[3] = priv->mstats.fwd_drop_nobuf;
	data[4] = priv->mstats.fwd_unicast_cnt;
	data[5] = priv->mstats.fwd_bcast_cnt;
	data[6] = priv->mstats.drop_blind;
	data[7] = priv->mstats.tx_failed_cnt;

	lbs_deb_enter(LBS_DEB_ETHTOOL);
}

static int lbs_ethtool_get_sset_count(struct net_device * dev, int sset)
{
	switch (sset) {
	case ETH_SS_STATS:
		return MESH_STATS_NUM;
	default:
		return -EOPNOTSUPP;
	}
}

static void lbs_ethtool_get_strings(struct net_device *dev,
					  u32 stringset,
					  u8 * s)
{
	int i;

	lbs_deb_enter(LBS_DEB_ETHTOOL);

	switch (stringset) {
        case ETH_SS_STATS:
		for (i=0; i < MESH_STATS_NUM; i++) {
			memcpy(s + i * ETH_GSTRING_LEN,
					mesh_stat_strings[i],
					ETH_GSTRING_LEN);
		}
		break;
        }
	lbs_deb_enter(LBS_DEB_ETHTOOL);
}

static void lbs_ethtool_get_wol(struct net_device *dev,
				struct ethtool_wolinfo *wol)
{
	struct lbs_private *priv = dev->priv;

	if (priv->wol_criteria == 0xffffffff) {
		/* Interface driver didn't configure wake */
		wol->supported = wol->wolopts = 0;
		return;
	}

	wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;

	if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
		wol->wolopts |= WAKE_UCAST;
	if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
		wol->wolopts |= WAKE_MCAST;
	if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
		wol->wolopts |= WAKE_BCAST;
	if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
		wol->wolopts |= WAKE_PHY;
}

static int lbs_ethtool_set_wol(struct net_device *dev,
			       struct ethtool_wolinfo *wol)
{
	struct lbs_private *priv = dev->priv;
	uint32_t criteria = 0;

	if (priv->wol_criteria == 0xffffffff && wol->wolopts)
		return -EOPNOTSUPP;

	if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
		return -EOPNOTSUPP;

	if (wol->wolopts & WAKE_UCAST) criteria |= EHS_WAKE_ON_UNICAST_DATA;
	if (wol->wolopts & WAKE_MCAST) criteria |= EHS_WAKE_ON_MULTICAST_DATA;
	if (wol->wolopts & WAKE_BCAST) criteria |= EHS_WAKE_ON_BROADCAST_DATA;
	if (wol->wolopts & WAKE_PHY)   criteria |= EHS_WAKE_ON_MAC_EVENT;

	return lbs_host_sleep_cfg(priv, criteria);
}

struct ethtool_ops lbs_ethtool_ops = {
	.get_drvinfo = lbs_ethtool_get_drvinfo,
	.get_eeprom =  lbs_ethtool_get_eeprom,
	.get_eeprom_len = lbs_ethtool_get_eeprom_len,
	.get_sset_count = lbs_ethtool_get_sset_count,
	.get_ethtool_stats = lbs_ethtool_get_stats,
	.get_strings = lbs_ethtool_get_strings,
	.get_wol = lbs_ethtool_get_wol,
	.set_wol = lbs_ethtool_set_wol,
};