LXR linux/net/wireless/ethtool.c

   1#include <linux/utsname.h>
   2#include <net/cfg80211.h>
   3#include "core.h"
   4#include "ethtool.h"
   5
   6static 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
  26static int cfg80211_get_regs_len(struct net_device *dev)
  27{
  28        /* For now, return 0... */
  29        return 0;
  30}
  31
  32static 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
  41static 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
  55static 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
  71const 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};
  79