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#include "rdev-ops.h"
   6
   7static 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                strlcpy(info->fw_version, wdev->wiphy->fw_version,
  19                        sizeof(info->fw_version));
  20        else
  21                strlcpy(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
  27static int cfg80211_get_regs_len(struct net_device *dev)
  28{
  29        /* For now, return 0... */
  30        return 0;
  31}
  32
  33static 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
  42static 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
  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_set_ringparam(rdev, rp->tx_pending, rp->rx_pending);
  66
  67        return -ENOTSUPP;
  68}
  69
  70static 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
  79static 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
  88static 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
  96const 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};
 107