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 #include "mesh.h"
  12
  13
  14 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
  15                                          struct ethtool_drvinfo *info)
  16 {
  17         struct lbs_private *priv = dev->ml_priv;
  18
  19         snprintf(info->fw_version, 32, "%u.%u.%u.p%u",
  20                 priv->fwrelease >> 24 & 0xff,
  21                 priv->fwrelease >> 16 & 0xff,
  22                 priv->fwrelease >>  8 & 0xff,
  23                 priv->fwrelease       & 0xff);
  24         strcpy(info->driver, "libertas");
  25         strcpy(info->version, lbs_driver_version);
  26 }
  27
  28 /* All 8388 parts have 16KiB EEPROM size at the time of writing.
  29  * In case that changes this needs fixing.
  30  */
  31 #define LBS_EEPROM_LEN 16384
  32
  33 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
  34 {
  35         return LBS_EEPROM_LEN;
  36 }
  37
  38 static int lbs_ethtool_get_eeprom(struct net_device *dev,
  39                                   struct ethtool_eeprom *eeprom, u8 * bytes)
  40 {
  41         struct lbs_private *priv = dev->ml_priv;
  42         struct cmd_ds_802_11_eeprom_access cmd;
  43         int ret;
  44
  45         lbs_deb_enter(LBS_DEB_ETHTOOL);
  46
  47         if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
  48             eeprom->len > LBS_EEPROM_READ_LEN) {
  49                 ret = -EINVAL;
  50                 goto out;
  51         }
  52
  53         cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
  54                 LBS_EEPROM_READ_LEN + eeprom->len);
  55         cmd.action = cpu_to_le16(CMD_ACT_GET);
  56         cmd.offset = cpu_to_le16(eeprom->offset);
  57         cmd.len    = cpu_to_le16(eeprom->len);
  58         ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
  59         if (!ret)
  60                 memcpy(bytes, cmd.value, eeprom->len);
  61
  62 out:
  63         lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
  64         return ret;
  65 }
  66
  67 static void lbs_ethtool_get_wol(struct net_device *dev,
  68                                 struct ethtool_wolinfo *wol)
  69 {
  70         struct lbs_private *priv = dev->ml_priv;
  71
  72         if (priv->wol_criteria == 0xffffffff) {
  73                 /* Interface driver didn't configure wake */
  74                 wol->supported = wol->wolopts = 0;
  75                 return;
  76         }
  77
  78         wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
  79
  80         if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
  81                 wol->wolopts |= WAKE_UCAST;
  82         if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
  83                 wol->wolopts |= WAKE_MCAST;
  84         if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
  85                 wol->wolopts |= WAKE_BCAST;
  86         if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
  87                 wol->wolopts |= WAKE_PHY;
  88 }
  89
  90 static int lbs_ethtool_set_wol(struct net_device *dev,
  91                                struct ethtool_wolinfo *wol)
  92 {
  93         struct lbs_private *priv = dev->ml_priv;
  94         uint32_t criteria = 0;
  95
  96         if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
  97                 return -EOPNOTSUPP;
  98
  99         if (wol->wolopts & WAKE_UCAST)
 100                 criteria |= EHS_WAKE_ON_UNICAST_DATA;
 101         if (wol->wolopts & WAKE_MCAST)
 102                 criteria |= EHS_WAKE_ON_MULTICAST_DATA;
 103         if (wol->wolopts & WAKE_BCAST)
 104                 criteria |= EHS_WAKE_ON_BROADCAST_DATA;
 105         if (wol->wolopts & WAKE_PHY)
 106                 criteria |= EHS_WAKE_ON_MAC_EVENT;
 107         if (wol->wolopts == 0)
 108                 criteria |= EHS_REMOVE_WAKEUP;
 109
 110         return lbs_host_sleep_cfg(priv, criteria, (struct wol_config *)NULL);
 111 }
 112
 113 const struct ethtool_ops lbs_ethtool_ops = {
 114         .get_drvinfo = lbs_ethtool_get_drvinfo,
 115         .get_eeprom =  lbs_ethtool_get_eeprom,
 116         .get_eeprom_len = lbs_ethtool_get_eeprom_len,
 117 #ifdef CONFIG_LIBERTAS_MESH
 118         .get_sset_count = lbs_mesh_ethtool_get_sset_count,
 119         .get_ethtool_stats = lbs_mesh_ethtool_get_stats,
 120         .get_strings = lbs_mesh_ethtool_get_strings,
 121 #endif
 122         .get_wol = lbs_ethtool_get_wol,
 123         .set_wol = lbs_ethtool_set_wol,
 124 };
 125