net/wireless/ethtool.c

   1 #include <linux/utsname.h>
   2 #include <net/cfg80211.h>
   3 #include "core.h"
   4 #include "ethtool.h"
   5 #include "rdev-ops.h"
   6
   7 static void cfg80211_get_drvinfo(struct net_device *dev,
   8                                         struct ethtool_drvinfo *info)
   9 {
  10         struct wireless_dev *wdev = dev->ieee80211_ptr;
  11
  12         strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
  13                 sizeof(info->driver));
  14
  15         strlcpy(info->version, init_utsname()->release, sizeof(info->version));
  16
  17         if (wdev->wiphy->fw_version[0])
  18                 strncpy(info->fw_version, wdev->wiphy->fw_version,
  19                         sizeof(info->fw_version));
  20         else
  21                 strncpy(info->fw_version, "N/A", sizeof(info->fw_version));
  22
  23         strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
  24                 sizeof(info->bus_info));
  25 }
  26
  27 static int cfg80211_get_regs_len(struct net_device *dev)
  28 {
  29         /* For now, return 0... */
  30         return 0;
  31 }
  32
  33 static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
  34                         void *data)
  35 {
  36         struct wireless_dev *wdev = dev->ieee80211_ptr;
  37
  38         regs->version = wdev->wiphy->hw_version;
  39         regs->len = 0;
  40 }
  41
  42 static void cfg80211_get_ringparam(struct net_device *dev,
  43                                    struct ethtool_ringparam *rp)
  44 {
  45         struct wireless_dev *wdev = dev->ieee80211_ptr;
  46         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  47
  48         memset(rp, 0, sizeof(*rp));
  49
  50         if (rdev->ops->get_ringparam)
  51                 rdev_get_ringparam(rdev, &rp->tx_pending, &rp->tx_max_pending,
  52                                    &rp->rx_pending, &rp->rx_max_pending);
  53 }
  54
  55 static int cfg80211_set_ringparam(struct net_device *dev,
  56                                   struct ethtool_ringparam *rp)
  57 {
  58         struct wireless_dev *wdev = dev->ieee80211_ptr;
  59         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  60
  61         if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)
  62                 return -EINVAL;
  63
  64         if (rdev->ops->set_ringparam)
  65                 return rdev_set_ringparam(rdev, rp->tx_pending, rp->rx_pending);
  66
  67         return -ENOTSUPP;
  68 }
  69
  70 static int cfg80211_get_sset_count(struct net_device *dev, int sset)
  71 {
  72         struct wireless_dev *wdev = dev->ieee80211_ptr;
  73         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  74         if (rdev->ops->get_et_sset_count)
  75                 return rdev_get_et_sset_count(rdev, dev, sset);
  76         return -EOPNOTSUPP;
  77 }
  78
  79 static void cfg80211_get_stats(struct net_device *dev,
  80                                struct ethtool_stats *stats, u64 *data)
  81 {
  82         struct wireless_dev *wdev = dev->ieee80211_ptr;
  83         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  84         if (rdev->ops->get_et_stats)
  85                 rdev_get_et_stats(rdev, dev, stats, data);
  86 }
  87
  88 static void cfg80211_get_strings(struct net_device *dev, u32 sset, u8 *data)
  89 {
  90         struct wireless_dev *wdev = dev->ieee80211_ptr;
  91         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  92         if (rdev->ops->get_et_strings)
  93                 rdev_get_et_strings(rdev, dev, sset, data);
  94 }
  95
  96 const struct ethtool_ops cfg80211_ethtool_ops = {
  97         .get_drvinfo = cfg80211_get_drvinfo,
  98         .get_regs_len = cfg80211_get_regs_len,
  99         .get_regs = cfg80211_get_regs,
 100         .get_link = ethtool_op_get_link,
 101         .get_ringparam = cfg80211_get_ringparam,
 102         .set_ringparam = cfg80211_set_ringparam,
 103         .get_strings = cfg80211_get_strings,
 104         .get_ethtool_stats = cfg80211_get_stats,
 105         .get_sset_count = cfg80211_get_sset_count,
 106 };