SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/wireless/libertas/ethtool.c

   1
   2 #include <linux/netdevice.h>
   3 #include <linux/ethtool.h>
   4 #include <linux/delay.h>
   5
   6 #include "host.h"
   7 #include "sbi.h"
   8 #include "decl.h"
   9 #include "defs.h"
  10 #include "dev.h"
  11 #include "join.h"
  12 #include "wext.h"
  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 };
  22
  23 static void libertas_ethtool_get_drvinfo(struct net_device *dev,
  24                                          struct ethtool_drvinfo *info)
  25 {
  26         wlan_private *priv = (wlan_private *) dev->priv;
  27         char fwver[32];
  28
  29         libertas_get_fwversion(priv->adapter, fwver, sizeof(fwver) - 1);
  30
  31         strcpy(info->driver, "libertas");
  32         strcpy(info->version, libertas_driver_version);
  33         strcpy(info->fw_version, fwver);
  34 }
  35
  36 /* All 8388 parts have 16KiB EEPROM size at the time of writing.
  37  * In case that changes this needs fixing.
  38  */
  39 #define LIBERTAS_EEPROM_LEN 16384
  40
  41 static int libertas_ethtool_get_eeprom_len(struct net_device *dev)
  42 {
  43         return LIBERTAS_EEPROM_LEN;
  44 }
  45
  46 static int libertas_ethtool_get_eeprom(struct net_device *dev,
  47                                   struct ethtool_eeprom *eeprom, u8 * bytes)
  48 {
  49         wlan_private *priv = (wlan_private *) dev->priv;
  50         wlan_adapter *adapter = priv->adapter;
  51         struct wlan_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 > LIBERTAS_EEPROM_LEN)
  60                 return -EINVAL;
  61
  62 //      mutex_lock(&priv->mutex);
  63
  64         adapter->prdeeprom =
  65                     (char *)kmalloc(eeprom->len+sizeof(regctrl), GFP_KERNEL);
  66         if (!adapter->prdeeprom)
  67                 return -ENOMEM;
  68         memcpy(adapter->prdeeprom, &regctrl, sizeof(regctrl));
  69
  70         /* +14 is for action, offset, and NOB in
  71          * response */
  72         lbs_pr_debug(1, "action:%d offset: %x NOB: %02x\n",
  73                regctrl.action, regctrl.offset, regctrl.NOB);
  74
  75         ret = libertas_prepare_and_send_command(priv,
  76                                     cmd_802_11_eeprom_access,
  77                                     regctrl.action,
  78                                     cmd_option_waitforrsp, 0,
  79                                     &regctrl);
  80
  81         if (ret) {
  82                 if (adapter->prdeeprom)
  83                         kfree(adapter->prdeeprom);
  84                 LEAVE();
  85                         return ret;
  86         }
  87
  88         mdelay(10);
  89
  90         ptr = (char *)adapter->prdeeprom;
  91
  92         /* skip the command header, but include the "value" u32 variable */
  93         ptr = ptr + sizeof(struct wlan_ioctl_regrdwr) - 4;
  94
  95         /*
  96          * Return the result back to the user
  97          */
  98         memcpy(bytes, ptr, eeprom->len);
  99
 100         if (adapter->prdeeprom)
 101                 kfree(adapter->prdeeprom);
 102 //      mutex_unlock(&priv->mutex);
 103
 104         return 0;
 105 }
 106
 107 static void libertas_ethtool_get_stats(struct net_device * dev,
 108                                 struct ethtool_stats * stats, u64 * data)
 109 {
 110         wlan_private *priv = dev->priv;
 111
 112         ENTER();
 113
 114         stats->cmd = ETHTOOL_GSTATS;
 115         BUG_ON(stats->n_stats != MESH_STATS_NUM);
 116
 117         data[0] = priv->mstats.fwd_drop_rbt;
 118         data[1] = priv->mstats.fwd_drop_ttl;
 119         data[2] = priv->mstats.fwd_drop_noroute;
 120         data[3] = priv->mstats.fwd_drop_nobuf;
 121         data[4] = priv->mstats.fwd_unicast_cnt;
 122         data[5] = priv->mstats.fwd_bcast_cnt;
 123         data[6] = priv->mstats.drop_blind;
 124
 125         LEAVE();
 126 }
 127
 128 static int libertas_ethtool_get_stats_count(struct net_device * dev)
 129 {
 130         int ret;
 131         wlan_private *priv = dev->priv;
 132         struct cmd_ds_mesh_access mesh_access;
 133
 134         ENTER();
 135         /* Get Mesh Statistics */
 136         ret = libertas_prepare_and_send_command(priv,
 137                         cmd_mesh_access, cmd_act_mesh_get_stats,
 138                         cmd_option_waitforrsp, 0, &mesh_access);
 139
 140         if (ret) {
 141                 LEAVE();
 142                 return 0;
 143         }
 144
 145         priv->mstats.fwd_drop_rbt = mesh_access.data[0];
 146         priv->mstats.fwd_drop_ttl = mesh_access.data[1];
 147         priv->mstats.fwd_drop_noroute = mesh_access.data[2];
 148         priv->mstats.fwd_drop_nobuf = mesh_access.data[3];
 149         priv->mstats.fwd_unicast_cnt = mesh_access.data[4];
 150         priv->mstats.fwd_bcast_cnt = mesh_access.data[5];
 151         priv->mstats.drop_blind = mesh_access.data[6];
 152
 153         LEAVE();
 154         return MESH_STATS_NUM;
 155 }
 156
 157 static void libertas_ethtool_get_strings (struct net_device * dev,
 158                                           u32 stringset,
 159                                           u8 * s)
 160 {
 161         int i;
 162
 163         ENTER();
 164         switch (stringset) {
 165         case ETH_SS_STATS:
 166                 for (i=0; i < MESH_STATS_NUM; i++) {
 167                         memcpy(s + i * ETH_GSTRING_LEN,
 168                                         mesh_stat_strings[i],
 169                                         ETH_GSTRING_LEN);
 170                 }
 171                 break;
 172         }
 173         LEAVE();
 174 }
 175
 176 struct ethtool_ops libertas_ethtool_ops = {
 177         .get_drvinfo = libertas_ethtool_get_drvinfo,
 178         .get_eeprom =  libertas_ethtool_get_eeprom,
 179         .get_eeprom_len = libertas_ethtool_get_eeprom_len,
 180         .get_stats_count = libertas_ethtool_get_stats_count,
 181         .get_ethtool_stats = libertas_ethtool_get_stats,
 182         .get_strings = libertas_ethtool_get_strings,
 183 };
 184