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 "join.h"
  10 #include "wext.h"
  11 #include "cmd.h"
  12
  13 static const char * mesh_stat_strings[]= {
  14                         "drop_duplicate_bcast",
  15                         "drop_ttl_zero",
  16                         "drop_no_fwd_route",
  17                         "drop_no_buffers",
  18                         "fwded_unicast_cnt",
  19                         "fwded_bcast_cnt",
  20                         "drop_blind_table",
  21                         "tx_failed_cnt"
  22 };
  23
  24 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
  25                                          struct ethtool_drvinfo *info)
  26 {
  27         struct lbs_private *priv = (struct lbs_private *) dev->priv;
  28         char fwver[32];
  29
  30         lbs_get_fwversion(priv, fwver, sizeof(fwver) - 1);
  31
  32         strcpy(info->driver, "libertas");
  33         strcpy(info->version, lbs_driver_version);
  34         strcpy(info->fw_version, fwver);
  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 = (struct lbs_private *) dev->priv;
  51         struct lbs_ioctl_regrdwr regctrl;
  52         char *ptr;
  53         int ret;
  54
  55         regctrl.action = 0;
  56         regctrl.offset = eeprom->offset;
  57         regctrl.NOB = eeprom->len;
  58
  59         if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN)
  60                 return -EINVAL;
  61
  62 //      mutex_lock(&priv->mutex);
  63
  64         priv->prdeeprom = kmalloc(eeprom->len+sizeof(regctrl), GFP_KERNEL);
  65         if (!priv->prdeeprom)
  66                 return -ENOMEM;
  67         memcpy(priv->prdeeprom, &regctrl, sizeof(regctrl));
  68
  69         /* +14 is for action, offset, and NOB in
  70          * response */
  71         lbs_deb_ethtool("action:%d offset: %x NOB: %02x\n",
  72                regctrl.action, regctrl.offset, regctrl.NOB);
  73
  74         ret = lbs_prepare_and_send_command(priv,
  75                                     CMD_802_11_EEPROM_ACCESS,
  76                                     regctrl.action,
  77                                     CMD_OPTION_WAITFORRSP, 0,
  78                                     &regctrl);
  79
  80         if (ret) {
  81                 if (priv->prdeeprom)
  82                         kfree(priv->prdeeprom);
  83                 goto done;
  84         }
  85
  86         mdelay(10);
  87
  88         ptr = (char *)priv->prdeeprom;
  89
  90         /* skip the command header, but include the "value" u32 variable */
  91         ptr = ptr + sizeof(struct lbs_ioctl_regrdwr) - 4;
  92
  93         /*
  94          * Return the result back to the user
  95          */
  96         memcpy(bytes, ptr, eeprom->len);
  97
  98         if (priv->prdeeprom)
  99                 kfree(priv->prdeeprom);
 100 //      mutex_unlock(&priv->mutex);
 101
 102         ret = 0;
 103
 104 done:
 105         lbs_deb_enter_args(LBS_DEB_ETHTOOL, "ret %d", ret);
 106         return ret;
 107 }
 108
 109 static void lbs_ethtool_get_stats(struct net_device * dev,
 110                                 struct ethtool_stats * stats, u64 * data)
 111 {
 112         struct lbs_private *priv = dev->priv;
 113         struct cmd_ds_mesh_access mesh_access;
 114         int ret;
 115
 116         lbs_deb_enter(LBS_DEB_ETHTOOL);
 117
 118         /* Get Mesh Statistics */
 119         ret = lbs_prepare_and_send_command(priv,
 120                         CMD_MESH_ACCESS, CMD_ACT_MESH_GET_STATS,
 121                         CMD_OPTION_WAITFORRSP, 0, &mesh_access);
 122
 123         if (ret)
 124                 return;
 125
 126         priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
 127         priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
 128         priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
 129         priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
 130         priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
 131         priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
 132         priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
 133         priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
 134
 135         data[0] = priv->mstats.fwd_drop_rbt;
 136         data[1] = priv->mstats.fwd_drop_ttl;
 137         data[2] = priv->mstats.fwd_drop_noroute;
 138         data[3] = priv->mstats.fwd_drop_nobuf;
 139         data[4] = priv->mstats.fwd_unicast_cnt;
 140         data[5] = priv->mstats.fwd_bcast_cnt;
 141         data[6] = priv->mstats.drop_blind;
 142         data[7] = priv->mstats.tx_failed_cnt;
 143
 144         lbs_deb_enter(LBS_DEB_ETHTOOL);
 145 }
 146
 147 static int lbs_ethtool_get_sset_count(struct net_device * dev, int sset)
 148 {
 149         switch (sset) {
 150         case ETH_SS_STATS:
 151                 return MESH_STATS_NUM;
 152         default:
 153                 return -EOPNOTSUPP;
 154         }
 155 }
 156
 157 static void lbs_ethtool_get_strings(struct net_device *dev,
 158                                           u32 stringset,
 159                                           u8 * s)
 160 {
 161         int i;
 162
 163         lbs_deb_enter(LBS_DEB_ETHTOOL);
 164
 165         switch (stringset) {
 166         case ETH_SS_STATS:
 167                 for (i=0; i < MESH_STATS_NUM; i++) {
 168                         memcpy(s + i * ETH_GSTRING_LEN,
 169                                         mesh_stat_strings[i],
 170                                         ETH_GSTRING_LEN);
 171                 }
 172                 break;
 173         }
 174         lbs_deb_enter(LBS_DEB_ETHTOOL);
 175 }
 176
 177 static void lbs_ethtool_get_wol(struct net_device *dev,
 178                                 struct ethtool_wolinfo *wol)
 179 {
 180         struct lbs_private *priv = dev->priv;
 181
 182         if (priv->wol_criteria == 0xffffffff) {
 183                 /* Interface driver didn't configure wake */
 184                 wol->supported = wol->wolopts = 0;
 185                 return;
 186         }
 187
 188         wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
 189
 190         if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
 191                 wol->wolopts |= WAKE_UCAST;
 192         if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
 193                 wol->wolopts |= WAKE_MCAST;
 194         if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
 195                 wol->wolopts |= WAKE_BCAST;
 196         if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
 197                 wol->wolopts |= WAKE_PHY;
 198 }
 199
 200 static int lbs_ethtool_set_wol(struct net_device *dev,
 201                                struct ethtool_wolinfo *wol)
 202 {
 203         struct lbs_private *priv = dev->priv;
 204         uint32_t criteria = 0;
 205
 206         if (priv->wol_criteria == 0xffffffff && wol->wolopts)
 207                 return -EOPNOTSUPP;
 208
 209         if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
 210                 return -EOPNOTSUPP;
 211
 212         if (wol->wolopts & WAKE_UCAST) criteria |= EHS_WAKE_ON_UNICAST_DATA;
 213         if (wol->wolopts & WAKE_MCAST) criteria |= EHS_WAKE_ON_MULTICAST_DATA;
 214         if (wol->wolopts & WAKE_BCAST) criteria |= EHS_WAKE_ON_BROADCAST_DATA;
 215         if (wol->wolopts & WAKE_PHY)   criteria |= EHS_WAKE_ON_MAC_EVENT;
 216
 217         return lbs_host_sleep_cfg(priv, criteria);
 218 }
 219
 220 struct ethtool_ops lbs_ethtool_ops = {
 221         .get_drvinfo = lbs_ethtool_get_drvinfo,
 222         .get_eeprom =  lbs_ethtool_get_eeprom,
 223         .get_eeprom_len = lbs_ethtool_get_eeprom_len,
 224         .get_sset_count = lbs_ethtool_get_sset_count,
 225         .get_ethtool_stats = lbs_ethtool_get_stats,
 226         .get_strings = lbs_ethtool_get_strings,
 227         .get_wol = lbs_ethtool_get_wol,
 228         .set_wol = lbs_ethtool_set_wol,
 229 };
 230