diff options
| -rw-r--r-- | include/net/cfg80211.h | 8 | ||||
| -rw-r--r-- | net/wireless/ethtool.c | 33 |
2 files changed, 41 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 1ac5786da14b..60f7876b6da8 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -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); }; /* diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c index ca4c825be93d..9bde4d1d3e9b 100644 --- a/net/wireless/ethtool.c +++ b/net/wireless/ethtool.c @@ -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, }; |