1// SPDX-License-Identifier: GPL-2.0
2#include <linux/hardirq.h>
3#include <linux/netdevice.h>
4#include <linux/ethtool.h>
5#include <linux/delay.h>
6
7#include "decl.h"
8#include "cmd.h"
9#include "mesh.h"
10
11
12static void lbs_ethtool_get_drvinfo(struct net_device *dev,
13					 struct ethtool_drvinfo *info)
14{
15	struct lbs_private *priv = dev->ml_priv;
16
17	snprintf(info->fw_version, sizeof(info->fw_version),
18		"%u.%u.%u.p%u",
19		priv->fwrelease >> 24 & 0xff,
20		priv->fwrelease >> 16 & 0xff,
21		priv->fwrelease >>  8 & 0xff,
22		priv->fwrelease       & 0xff);
23	strscpy(info->driver, "libertas", sizeof(info->driver));
24	strscpy(info->version, lbs_driver_version, sizeof(info->version));
25}
26
27/*
28 * All 8388 parts have 16KiB EEPROM size at the time of writing.
29 * In case that changes this needs fixing.
30 */
31#define LBS_EEPROM_LEN 16384
32
33static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
34{
35	return LBS_EEPROM_LEN;
36}
37
38static int lbs_ethtool_get_eeprom(struct net_device *dev,
39                                  struct ethtool_eeprom *eeprom, u8 * bytes)
40{
41	struct lbs_private *priv = dev->ml_priv;
42	struct cmd_ds_802_11_eeprom_access cmd;
43	int ret;
44
45	if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
46	    eeprom->len > LBS_EEPROM_READ_LEN)
47		return -EINVAL;
48
49	cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
50		LBS_EEPROM_READ_LEN + eeprom->len);
51	cmd.action = cpu_to_le16(CMD_ACT_GET);
52	cmd.offset = cpu_to_le16(eeprom->offset);
53	cmd.len    = cpu_to_le16(eeprom->len);
54	ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
55	if (!ret)
56		memcpy(bytes, cmd.value, eeprom->len);
57
58	return ret;
59}
60
61static void lbs_ethtool_get_wol(struct net_device *dev,
62				struct ethtool_wolinfo *wol)
63{
64	struct lbs_private *priv = dev->ml_priv;
65
66	wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
67
68	if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
69		return;
70
71	if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
72		wol->wolopts |= WAKE_UCAST;
73	if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
74		wol->wolopts |= WAKE_MCAST;
75	if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
76		wol->wolopts |= WAKE_BCAST;
77	if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
78		wol->wolopts |= WAKE_PHY;
79}
80
81static int lbs_ethtool_set_wol(struct net_device *dev,
82			       struct ethtool_wolinfo *wol)
83{
84	struct lbs_private *priv = dev->ml_priv;
85
86	if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
87		return -EOPNOTSUPP;
88
89	priv->wol_criteria = 0;
90	if (wol->wolopts & WAKE_UCAST)
91		priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA;
92	if (wol->wolopts & WAKE_MCAST)
93		priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA;
94	if (wol->wolopts & WAKE_BCAST)
95		priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA;
96	if (wol->wolopts & WAKE_PHY)
97		priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT;
98	if (wol->wolopts == 0)
99		priv->wol_criteria |= EHS_REMOVE_WAKEUP;
100	return 0;
101}
102
103const struct ethtool_ops lbs_ethtool_ops = {
104	.get_drvinfo = lbs_ethtool_get_drvinfo,
105	.get_eeprom =  lbs_ethtool_get_eeprom,
106	.get_eeprom_len = lbs_ethtool_get_eeprom_len,
107#ifdef CONFIG_LIBERTAS_MESH
108	.get_sset_count = lbs_mesh_ethtool_get_sset_count,
109	.get_ethtool_stats = lbs_mesh_ethtool_get_stats,
110	.get_strings = lbs_mesh_ethtool_get_strings,
111#endif
112	.get_wol = lbs_ethtool_get_wol,
113	.set_wol = lbs_ethtool_set_wol,
114};
115
116