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wireless: add support for ethtool_ops->{get,set}_ringparam

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Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2011-03-07 16:17:59 -05:00
parent 266af4c745
commit 3677713b79
2 changed files with 41 additions and 0 deletions
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8
include/net/cfg80211.h
View File

@ -1197,6 +1197,10 @@ struct cfg80211_pmksa {
* (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
*
* @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
*
* @set_ringparam: Set tx and rx ring sizes.
*
* @get_ringparam: Get tx and rx ring current and maximum sizes.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy);
@ -1364,6 +1368,10 @@ struct cfg80211_ops {
int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
int (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant);
int (*set_ringparam)(struct wiphy *wiphy, u32 tx, u32 rx);
void (*get_ringparam)(struct wiphy *wiphy,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
};
/*

33
net/wireless/ethtool.c
View File

@ -1,5 +1,6 @@
#include <linux/utsname.h>
#include <net/cfg80211.h>
#include "core.h"
#include "ethtool.h"
static void cfg80211_get_drvinfo(struct net_device *dev,
@ -37,9 +38,41 @@ static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
regs->len = 0;
}
static void cfg80211_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *rp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
memset(rp, 0, sizeof(*rp));
if (rdev->ops->get_ringparam)
rdev->ops->get_ringparam(wdev->wiphy,
&rp->tx_pending, &rp->tx_max_pending,
&rp->rx_pending, &rp->rx_max_pending);
}
static int cfg80211_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *rp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)
return -EINVAL;
if (rdev->ops->set_ringparam)
return rdev->ops->set_ringparam(wdev->wiphy,
rp->tx_pending, rp->rx_pending);
return -ENOTSUPP;
}
const struct ethtool_ops cfg80211_ethtool_ops = {
.get_drvinfo = cfg80211_get_drvinfo,
.get_regs_len = cfg80211_get_regs_len,
.get_regs = cfg80211_get_regs,
.get_link = ethtool_op_get_link,
.get_ringparam = cfg80211_get_ringparam,
.set_ringparam = cfg80211_set_ringparam,
};