drivers/net/wireless/libertas/ethtool.c

   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
  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
  42 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
  43 {
  44         return LBS_EEPROM_LEN;
  45 }
  46
  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
  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
 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
 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
 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
 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 const 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