net/wireless/ethtool.c

   1 #include <linux/utsname.h>
   2 #include <net/cfg80211.h>
   3 #include "core.h"
   4 #include "ethtool.h"
   5
   6 static void cfg80211_get_drvinfo(struct net_device *dev,
   7                                         struct ethtool_drvinfo *info)
   8 {
   9         struct wireless_dev *wdev = dev->ieee80211_ptr;
  10
  11         strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
  12                 sizeof(info->driver));
  13
  14         strlcpy(info->version, init_utsname()->release, sizeof(info->version));
  15
  16         if (wdev->wiphy->fw_version[0])
  17                 strncpy(info->fw_version, wdev->wiphy->fw_version,
  18                         sizeof(info->fw_version));
  19         else
  20                 strncpy(info->fw_version, "N/A", sizeof(info->fw_version));
  21
  22         strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
  23                 sizeof(info->bus_info));
  24 }
  25
  26 static int cfg80211_get_regs_len(struct net_device *dev)
  27 {
  28         /* For now, return 0... */
  29         return 0;
  30 }
  31
  32 static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
  33                         void *data)
  34 {
  35         struct wireless_dev *wdev = dev->ieee80211_ptr;
  36
  37         regs->version = wdev->wiphy->hw_version;
  38         regs->len = 0;
  39 }
  40
  41 static void cfg80211_get_ringparam(struct net_device *dev,
  42                                    struct ethtool_ringparam *rp)
  43 {
  44         struct wireless_dev *wdev = dev->ieee80211_ptr;
  45         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
  46
  47         memset(rp, 0, sizeof(*rp));
  48
  49         if (rdev->ops->get_ringparam)
  50                 rdev->ops->get_ringparam(wdev->wiphy,
  51                                          &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->ops->set_ringparam(wdev->wiphy,
  66                                                 rp->tx_pending, rp->rx_pending);
  67
  68         return -ENOTSUPP;
  69 }
  70
  71 const struct ethtool_ops cfg80211_ethtool_ops = {
  72         .get_drvinfo = cfg80211_get_drvinfo,
  73         .get_regs_len = cfg80211_get_regs_len,
  74         .get_regs = cfg80211_get_regs,
  75         .get_link = ethtool_op_get_link,
  76         .get_ringparam = cfg80211_get_ringparam,
  77         .set_ringparam = cfg80211_set_ringparam,
  78 };