1/*
2 * Marvell Wireless LAN device driver: ethtool
3 *
4 * Copyright (C) 2013-2014, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License").  You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20#include "main.h"
21
22static void mwifiex_ethtool_get_wol(struct net_device *dev,
23				    struct ethtool_wolinfo *wol)
24{
25	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
26	u32 conditions = le32_to_cpu(priv->adapter->hs_cfg.conditions);
27
28	wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
29
30	if (conditions == HS_CFG_COND_DEF)
31		return;
32
33	if (conditions & HS_CFG_COND_UNICAST_DATA)
34		wol->wolopts |= WAKE_UCAST;
35	if (conditions & HS_CFG_COND_MULTICAST_DATA)
36		wol->wolopts |= WAKE_MCAST;
37	if (conditions & HS_CFG_COND_BROADCAST_DATA)
38		wol->wolopts |= WAKE_BCAST;
39	if (conditions & HS_CFG_COND_MAC_EVENT)
40		wol->wolopts |= WAKE_PHY;
41}
42
43static int mwifiex_ethtool_set_wol(struct net_device *dev,
44				   struct ethtool_wolinfo *wol)
45{
46	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
47	u32 conditions = 0;
48
49	if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
50		return -EOPNOTSUPP;
51
52	if (wol->wolopts & WAKE_UCAST)
53		conditions |= HS_CFG_COND_UNICAST_DATA;
54	if (wol->wolopts & WAKE_MCAST)
55		conditions |= HS_CFG_COND_MULTICAST_DATA;
56	if (wol->wolopts & WAKE_BCAST)
57		conditions |= HS_CFG_COND_BROADCAST_DATA;
58	if (wol->wolopts & WAKE_PHY)
59		conditions |= HS_CFG_COND_MAC_EVENT;
60	if (wol->wolopts == 0)
61		conditions |= HS_CFG_COND_DEF;
62	priv->adapter->hs_cfg.conditions = cpu_to_le32(conditions);
63
64	return 0;
65}
66
67static int
68mwifiex_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
69{
70	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
71	struct mwifiex_adapter *adapter = priv->adapter;
72	struct memory_type_mapping *entry;
73
74	if (!adapter->if_ops.fw_dump)
75		return -ENOTSUPP;
76
77	dump->flag = adapter->curr_mem_idx;
78	dump->version = 1;
79	if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) {
80		dump->len = adapter->drv_info_size;
81	} else if (adapter->curr_mem_idx != MWIFIEX_FW_DUMP_IDX) {
82		entry = &adapter->mem_type_mapping_tbl[adapter->curr_mem_idx];
83		dump->len = entry->mem_size;
84	} else {
85		dump->len = 0;
86	}
87
88	return 0;
89}
90
91static int
92mwifiex_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
93		      void *buffer)
94{
95	u8 *p = buffer;
96	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
97	struct mwifiex_adapter *adapter = priv->adapter;
98	struct memory_type_mapping *entry;
99
100	if (!adapter->if_ops.fw_dump)
101		return -ENOTSUPP;
102
103	if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) {
104		if (!adapter->drv_info_dump)
105			return -EFAULT;
106		memcpy(p, adapter->drv_info_dump, adapter->drv_info_size);
107		return 0;
108	}
109
110	if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) {
111		dev_err(adapter->dev, "firmware dump in progress!!\n");
112		return -EBUSY;
113	}
114
115	entry = &adapter->mem_type_mapping_tbl[adapter->curr_mem_idx];
116
117	if (!entry->mem_ptr)
118		return -EFAULT;
119
120	memcpy(p, entry->mem_ptr, entry->mem_size);
121
122	entry->mem_size = 0;
123	vfree(entry->mem_ptr);
124	entry->mem_ptr = NULL;
125
126	return 0;
127}
128
129static int mwifiex_set_dump(struct net_device *dev, struct ethtool_dump *val)
130{
131	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
132	struct mwifiex_adapter *adapter = priv->adapter;
133
134	if (!adapter->if_ops.fw_dump)
135		return -ENOTSUPP;
136
137	if (val->flag == MWIFIEX_DRV_INFO_IDX) {
138		adapter->curr_mem_idx = MWIFIEX_DRV_INFO_IDX;
139		return 0;
140	}
141
142	if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) {
143		dev_err(adapter->dev, "firmware dump in progress!!\n");
144		return -EBUSY;
145	}
146
147	if (val->flag == MWIFIEX_FW_DUMP_IDX) {
148		adapter->curr_mem_idx = val->flag;
149		adapter->if_ops.fw_dump(adapter);
150		return 0;
151	}
152
153	if (val->flag < 0 || val->flag >= adapter->num_mem_types)
154		return -EINVAL;
155
156	adapter->curr_mem_idx = val->flag;
157
158	return 0;
159}
160
161const struct ethtool_ops mwifiex_ethtool_ops = {
162	.get_wol = mwifiex_ethtool_get_wol,
163	.set_wol = mwifiex_ethtool_set_wol,
164	.get_dump_flag = mwifiex_get_dump_flag,
165	.get_dump_data = mwifiex_get_dump_data,
166	.set_dump = mwifiex_set_dump,
167};
168