1 #include <linux/netdevice.h>
2 #include <linux/ethtool.h>
3 #include <linux/delay.h>
4
5 #include "host.h"
6 #include "decl.h"
7 #include "defs.h"
8 #include "dev.h"
9 #include "wext.h"
10 #include "cmd.h"
11
12 static const char * mesh_stat_strings[]= {
13 "drop_duplicate_bcast",
14 "drop_ttl_zero",
15 "drop_no_fwd_route",
16 "drop_no_buffers",
17 "fwded_unicast_cnt",
18 "fwded_bcast_cnt",
19 "drop_blind_table",
20 "tx_failed_cnt"
21 };
22
lbs_ethtool_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)23 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
24 struct ethtool_drvinfo *info)
25 {
26 struct lbs_private *priv = dev->ml_priv;
27
28 snprintf(info->fw_version, 32, "%u.%u.%u.p%u",
29 priv->fwrelease >> 24 & 0xff,
30 priv->fwrelease >> 16 & 0xff,
31 priv->fwrelease >> 8 & 0xff,
32 priv->fwrelease & 0xff);
33 strcpy(info->driver, "libertas");
34 strcpy(info->version, lbs_driver_version);
35 }
36
37 /* All 8388 parts have 16KiB EEPROM size at the time of writing.
38 * In case that changes this needs fixing.
39 */
40 #define LBS_EEPROM_LEN 16384
41
lbs_ethtool_get_eeprom_len(struct net_device * dev)42 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
43 {
44 return LBS_EEPROM_LEN;
45 }
46
lbs_ethtool_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * bytes)47 static int lbs_ethtool_get_eeprom(struct net_device *dev,
48 struct ethtool_eeprom *eeprom, u8 * bytes)
49 {
50 struct lbs_private *priv = dev->ml_priv;
51 struct cmd_ds_802_11_eeprom_access cmd;
52 int ret;
53
54 lbs_deb_enter(LBS_DEB_ETHTOOL);
55
56 if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
57 eeprom->len > LBS_EEPROM_READ_LEN) {
58 ret = -EINVAL;
59 goto out;
60 }
61
62 cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
63 LBS_EEPROM_READ_LEN + eeprom->len);
64 cmd.action = cpu_to_le16(CMD_ACT_GET);
65 cmd.offset = cpu_to_le16(eeprom->offset);
66 cmd.len = cpu_to_le16(eeprom->len);
67 ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
68 if (!ret)
69 memcpy(bytes, cmd.value, eeprom->len);
70
71 out:
72 lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
73 return ret;
74 }
75
lbs_ethtool_get_stats(struct net_device * dev,struct ethtool_stats * stats,uint64_t * data)76 static void lbs_ethtool_get_stats(struct net_device *dev,
77 struct ethtool_stats *stats, uint64_t *data)
78 {
79 struct lbs_private *priv = dev->ml_priv;
80 struct cmd_ds_mesh_access mesh_access;
81 int ret;
82
83 lbs_deb_enter(LBS_DEB_ETHTOOL);
84
85 /* Get Mesh Statistics */
86 ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
87
88 if (ret) {
89 memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
90 return;
91 }
92
93 priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
94 priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
95 priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
96 priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
97 priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
98 priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
99 priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
100 priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
101
102 data[0] = priv->mstats.fwd_drop_rbt;
103 data[1] = priv->mstats.fwd_drop_ttl;
104 data[2] = priv->mstats.fwd_drop_noroute;
105 data[3] = priv->mstats.fwd_drop_nobuf;
106 data[4] = priv->mstats.fwd_unicast_cnt;
107 data[5] = priv->mstats.fwd_bcast_cnt;
108 data[6] = priv->mstats.drop_blind;
109 data[7] = priv->mstats.tx_failed_cnt;
110
111 lbs_deb_enter(LBS_DEB_ETHTOOL);
112 }
113
lbs_ethtool_get_sset_count(struct net_device * dev,int sset)114 static int lbs_ethtool_get_sset_count(struct net_device *dev, int sset)
115 {
116 struct lbs_private *priv = dev->ml_priv;
117
118 if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
119 return MESH_STATS_NUM;
120
121 return -EOPNOTSUPP;
122 }
123
lbs_ethtool_get_strings(struct net_device * dev,uint32_t stringset,uint8_t * s)124 static void lbs_ethtool_get_strings(struct net_device *dev,
125 uint32_t stringset, uint8_t *s)
126 {
127 int i;
128
129 lbs_deb_enter(LBS_DEB_ETHTOOL);
130
131 switch (stringset) {
132 case ETH_SS_STATS:
133 for (i=0; i < MESH_STATS_NUM; i++) {
134 memcpy(s + i * ETH_GSTRING_LEN,
135 mesh_stat_strings[i],
136 ETH_GSTRING_LEN);
137 }
138 break;
139 }
140 lbs_deb_enter(LBS_DEB_ETHTOOL);
141 }
142
lbs_ethtool_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)143 static void lbs_ethtool_get_wol(struct net_device *dev,
144 struct ethtool_wolinfo *wol)
145 {
146 struct lbs_private *priv = dev->ml_priv;
147
148 if (priv->wol_criteria == 0xffffffff) {
149 /* Interface driver didn't configure wake */
150 wol->supported = wol->wolopts = 0;
151 return;
152 }
153
154 wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
155
156 if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
157 wol->wolopts |= WAKE_UCAST;
158 if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
159 wol->wolopts |= WAKE_MCAST;
160 if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
161 wol->wolopts |= WAKE_BCAST;
162 if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
163 wol->wolopts |= WAKE_PHY;
164 }
165
lbs_ethtool_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)166 static int lbs_ethtool_set_wol(struct net_device *dev,
167 struct ethtool_wolinfo *wol)
168 {
169 struct lbs_private *priv = dev->ml_priv;
170 uint32_t criteria = 0;
171
172 if (priv->wol_criteria == 0xffffffff && wol->wolopts)
173 return -EOPNOTSUPP;
174
175 if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
176 return -EOPNOTSUPP;
177
178 if (wol->wolopts & WAKE_UCAST) criteria |= EHS_WAKE_ON_UNICAST_DATA;
179 if (wol->wolopts & WAKE_MCAST) criteria |= EHS_WAKE_ON_MULTICAST_DATA;
180 if (wol->wolopts & WAKE_BCAST) criteria |= EHS_WAKE_ON_BROADCAST_DATA;
181 if (wol->wolopts & WAKE_PHY) criteria |= EHS_WAKE_ON_MAC_EVENT;
182
183 return lbs_host_sleep_cfg(priv, criteria, (struct wol_config *)NULL);
184 }
185
186 struct ethtool_ops lbs_ethtool_ops = {
187 .get_drvinfo = lbs_ethtool_get_drvinfo,
188 .get_eeprom = lbs_ethtool_get_eeprom,
189 .get_eeprom_len = lbs_ethtool_get_eeprom_len,
190 .get_sset_count = lbs_ethtool_get_sset_count,
191 .get_ethtool_stats = lbs_ethtool_get_stats,
192 .get_strings = lbs_ethtool_get_strings,
193 .get_wol = lbs_ethtool_get_wol,
194 .set_wol = lbs_ethtool_set_wol,
195 };
196
197