package/libertas/src/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 static const char * mesh_stat_strings[]= {
  12                         "drop_duplicate_bcast",
  13                         "drop_ttl_zero",
  14                         "drop_no_fwd_route",
  15                         "drop_no_buffers",
  16                         "fwded_unicast_cnt",
  17                         "fwded_bcast_cnt",
  18                         "drop_blind_table",
  19                         "tx_failed_cnt"
  20 };
  21
  22 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
  23                                          struct ethtool_drvinfo *info)
  24 {
  25         struct lbs_private *priv = (struct lbs_private *) dev->priv;
  26         char fwver[32];
  27
  28         lbs_get_fwversion(priv, fwver, sizeof(fwver) - 1);
  29
  30         strcpy(info->driver, "libertas");
  31         strcpy(info->version, lbs_driver_version);
  32         strcpy(info->fw_version, fwver);
  33 }
  34
  35 /* All 8388 parts have 16KiB EEPROM size at the time of writing.
  36  * In case that changes this needs fixing.
  37  */
  38 #define LBS_EEPROM_LEN 16384
  39
  40 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
  41 {
  42         return LBS_EEPROM_LEN;
  43 }
  44
  45 static int lbs_ethtool_get_eeprom(struct net_device *dev,
  46                                   struct ethtool_eeprom *eeprom, u8 * bytes)
  47 {
  48         struct lbs_private *priv = (struct lbs_private *) dev->priv;
  49         struct lbs_ioctl_regrdwr regctrl;
  50         char *ptr;
  51         int ret;
  52
  53         regctrl.action = 0;
  54         regctrl.offset = eeprom->offset;
  55         regctrl.NOB = eeprom->len;
  56
  57         if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN)
  58                 return -EINVAL;
  59
  60 //      mutex_lock(&priv->mutex);
  61
  62         priv->prdeeprom = kmalloc(eeprom->len+sizeof(regctrl), GFP_KERNEL);
  63         if (!priv->prdeeprom)
  64                 return -ENOMEM;
  65         memcpy(priv->prdeeprom, &regctrl, sizeof(regctrl));
  66
  67         /* +14 is for action, offset, and NOB in
  68          * response */
  69         lbs_deb_ethtool("action:%d offset: %x NOB: %02x\n",
  70                regctrl.action, regctrl.offset, regctrl.NOB);
  71
  72         ret = lbs_prepare_and_send_command(priv,
  73                                     CMD_802_11_EEPROM_ACCESS,
  74                                     regctrl.action,
  75                                     CMD_OPTION_WAITFORRSP, 0,
  76                                     &regctrl);
  77
  78         if (ret) {
  79                 if (priv->prdeeprom)
  80                         kfree(priv->prdeeprom);
  81                 goto done;
  82         }
  83
  84         mdelay(10);
  85
  86         ptr = (char *)priv->prdeeprom;
  87
  88         /* skip the command header, but include the "value" u32 variable */
  89         ptr = ptr + sizeof(struct lbs_ioctl_regrdwr) - 4;
  90
  91         /*
  92          * Return the result back to the user
  93          */
  94         memcpy(bytes, ptr, eeprom->len);
  95
  96         if (priv->prdeeprom)
  97                 kfree(priv->prdeeprom);
  98 //      mutex_unlock(&priv->mutex);
  99
 100         ret = 0;
 101
 102 done:
 103         lbs_deb_enter_args(LBS_DEB_ETHTOOL, "ret %d", ret);
 104         return ret;
 105 }
 106
 107 static void lbs_ethtool_get_stats(struct net_device * dev,
 108                                 struct ethtool_stats * stats, u64 * data)
 109 {
 110         struct lbs_private *priv = dev->priv;
 111         struct cmd_ds_mesh_access mesh_access;
 112         int ret;
 113
 114         lbs_deb_enter(LBS_DEB_ETHTOOL);
 115
 116         /* Get Mesh Statistics */
 117         ret = lbs_prepare_and_send_command(priv,
 118                         CMD_MESH_ACCESS, CMD_ACT_MESH_GET_STATS,
 119                         CMD_OPTION_WAITFORRSP, 0, &mesh_access);
 120
 121         if (ret)
 122                 return;
 123
 124         priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
 125         priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
 126         priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
 127         priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
 128         priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
 129         priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
 130         priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
 131         priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
 132
 133         data[0] = priv->mstats.fwd_drop_rbt;
 134         data[1] = priv->mstats.fwd_drop_ttl;
 135         data[2] = priv->mstats.fwd_drop_noroute;
 136         data[3] = priv->mstats.fwd_drop_nobuf;
 137         data[4] = priv->mstats.fwd_unicast_cnt;
 138         data[5] = priv->mstats.fwd_bcast_cnt;
 139         data[6] = priv->mstats.drop_blind;
 140         data[7] = priv->mstats.tx_failed_cnt;
 141
 142         lbs_deb_enter(LBS_DEB_ETHTOOL);
 143 }
 144
 145 static void lbs_ethtool_get_strings(struct net_device *dev,
 146                                           u32 stringset,
 147                                           u8 * s)
 148 {
 149         int i;
 150
 151         lbs_deb_enter(LBS_DEB_ETHTOOL);
 152
 153         switch (stringset) {
 154         case ETH_SS_STATS:
 155                 for (i=0; i < MESH_STATS_NUM; i++) {
 156                         memcpy(s + i * ETH_GSTRING_LEN,
 157                                         mesh_stat_strings[i],
 158                                         ETH_GSTRING_LEN);
 159                 }
 160                 break;
 161         }
 162         lbs_deb_enter(LBS_DEB_ETHTOOL);
 163 }
 164
 165 struct ethtool_ops lbs_ethtool_ops = {
 166         .get_drvinfo = lbs_ethtool_get_drvinfo,
 167         .get_eeprom =  lbs_ethtool_get_eeprom,
 168         .get_eeprom_len = lbs_ethtool_get_eeprom_len,
 169         .get_ethtool_stats = lbs_ethtool_get_stats,
 170         .get_strings = lbs_ethtool_get_strings,
 171 };
 172