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
lbs_ethtool_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)12 static 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
lbs_ethtool_get_eeprom_len(struct net_device * dev)33 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
34 {
35 return LBS_EEPROM_LEN;
36 }
37
lbs_ethtool_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * bytes)38 static 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
lbs_ethtool_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)61 static 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
lbs_ethtool_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)81 static 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
103 const 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