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[MAC80211]: Add support for SIOCGIWRATE ioctl

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At present, transmission rate information for mac80211 is available only
if verbose debugging is turned on, and then only in the logs. This patch
implements the SIOCGIWRATE ioctl, which adds the current transmission rate to
the output of iwconfig.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Larry Finger 2007-06-10 17:57:33 -07:00 committed by David S. Miller
parent 8c7b7faaa6
commit b3d88ad49a
1 changed files with 24 additions and 1 deletions
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25
net/mac80211/ieee80211_ioctl.c
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@ -838,6 +838,29 @@ static int ieee80211_ioctl_giwscan(struct net_device *dev,
}
static int ieee80211_ioctl_giwrate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rate, char *extra)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct sta_info *sta;
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->type == IEEE80211_IF_TYPE_STA)
sta = sta_info_get(local, sdata->u.sta.bssid);
else
return -EOPNOTSUPP;
if (!sta)
return -ENODEV;
if (sta->txrate < local->oper_hw_mode->num_rates)
rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
else
rate->value = 0;
sta_info_put(sta);
return 0;
}
static int ieee80211_ioctl_siwrts(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rts, char *extra)
@ -1779,7 +1802,7 @@ static const iw_handler ieee80211_handler[] =
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* SIOCSIWRATE */
(iw_handler) NULL, /* SIOCGIWRATE */
(iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
(iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
(iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
(iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */