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Commit a9828ec6 authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
Browse files

ethtool: Remove support for obsolete string query operations 



The in-tree implementations have all been converted to
get_sset_count().

Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 15f0a394

include/linux/ethtool.h

+0 −4
Original line number Diff line number Diff line
@@ -495,10 +495,6 @@ struct ethtool_ops { 
	u32     (*get_priv_flags)(struct net_device *);

	int     (*set_priv_flags)(struct net_device *, u32);

	int	(*get_sset_count)(struct net_device *, int);



	/* the following hooks are obsolete */

	int	(*self_test_count)(struct net_device *);/* use get_sset_count */

	int	(*get_stats_count)(struct net_device *);/* use get_sset_count */

	int	(*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);

	int	(*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);

	int     (*flash_device)(struct net_device *, struct ethtool_flash *);

net/core/ethtool.c

+10 −48
Original line number Diff line number Diff line
@@ -198,13 +198,6 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr) 
		rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);

		if (rc >= 0)

			info.n_priv_flags = rc;

	} else {

		/* code path for obsolete hooks */



		if (ops->self_test_count)

			info.testinfo_len = ops->self_test_count(dev);

		if (ops->get_stats_count)

			info.n_stats = ops->get_stats_count(dev);

	}

	if (ops->get_regs_len)

		info.regdump_len = ops->get_regs_len(dev);
@@ -684,16 +677,10 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr) 
	u64 *data;

	int ret, test_len;



	if (!ops->self_test)

		return -EOPNOTSUPP;

	if (!ops->get_sset_count && !ops->self_test_count)

	if (!ops->self_test || !ops->get_sset_count)

		return -EOPNOTSUPP;



	if (ops->get_sset_count)

	test_len = ops->get_sset_count(dev, ETH_SS_TEST);

	else

		/* code path for obsolete hook */

		test_len = ops->self_test_count(dev);

	if (test_len < 0)

		return test_len;

	WARN_ON(test_len == 0);
@@ -728,36 +715,17 @@ static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) 
	u8 *data;

	int ret;



	if (!ops->get_strings)

	if (!ops->get_strings || !ops->get_sset_count)

		return -EOPNOTSUPP;



	if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))

		return -EFAULT;



	if (ops->get_sset_count) {

	ret = ops->get_sset_count(dev, gstrings.string_set);

	if (ret < 0)

		return ret;



	gstrings.len = ret;

	} else {

		/* code path for obsolete hooks */



		switch (gstrings.string_set) {

		case ETH_SS_TEST:

			if (!ops->self_test_count)

				return -EOPNOTSUPP;

			gstrings.len = ops->self_test_count(dev);

			break;

		case ETH_SS_STATS:

			if (!ops->get_stats_count)

				return -EOPNOTSUPP;

			gstrings.len = ops->get_stats_count(dev);

			break;

		default:

			return -EINVAL;

		}

	}



	data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);

	if (!data)
@@ -798,16 +766,10 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) 
	u64 *data;

	int ret, n_stats;



	if (!ops->get_ethtool_stats)

		return -EOPNOTSUPP;

	if (!ops->get_sset_count && !ops->get_stats_count)

	if (!ops->get_ethtool_stats || !ops->get_sset_count)

		return -EOPNOTSUPP;



	if (ops->get_sset_count)

	n_stats = ops->get_sset_count(dev, ETH_SS_STATS);

	else

		/* code path for obsolete hook */

		n_stats = ops->get_stats_count(dev);

	if (n_stats < 0)

		return n_stats;

	WARN_ON(n_stats == 0);