wireless: add support for ethtool_ops->{get,set}_ringparam (3677713b) · Commits · e / devices / android_kernel_teracube_emerald

include/net/cfg80211.h

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1197,6 +1197,10 @@ struct cfg80211_pmksa {
	* (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).		* (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
	*		*
	* @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).		* @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 {		struct cfg80211_ops {
	int (suspend)(struct wiphy wiphy);		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 (set_antenna)(struct wiphy wiphy, u32 tx_ant, u32 rx_ant);
	int (get_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);
	};		};

	/*		/*

net/wireless/ethtool.c

+33 −0

Original line number	Original line	Diff line number	Diff line
	#include <linux/utsname.h>		#include <linux/utsname.h>
	#include <net/cfg80211.h>		#include <net/cfg80211.h>
			#include "core.h"
	#include "ethtool.h"		#include "ethtool.h"

	static void cfg80211_get_drvinfo(struct net_device *dev,		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;		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 = {		const struct ethtool_ops cfg80211_ethtool_ops = {
	.get_drvinfo = cfg80211_get_drvinfo,		.get_drvinfo = cfg80211_get_drvinfo,
	.get_regs_len = cfg80211_get_regs_len,		.get_regs_len = cfg80211_get_regs_len,
	.get_regs = cfg80211_get_regs,		.get_regs = cfg80211_get_regs,
	.get_link = ethtool_op_get_link,		.get_link = ethtool_op_get_link,
			.get_ringparam = cfg80211_get_ringparam,
			.set_ringparam = cfg80211_set_ringparam,
	};		};