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Diffstat (limited to 'net/core/ethtool.c')
-rw-r--r--net/core/ethtool.c81
1 files changed, 33 insertions, 48 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 4c12ddb5f5ee..d8aee584e8d1 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -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);
@@ -309,6 +302,26 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
return ret;
}
+static int ethtool_reset(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value reset;
+ int ret;
+
+ if (!dev->ethtool_ops->reset)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&reset, useraddr, sizeof(reset)))
+ return -EFAULT;
+
+ ret = dev->ethtool_ops->reset(dev, &reset.data);
+ if (ret)
+ return ret;
+
+ if (copy_to_user(useraddr, &reset, sizeof(reset)))
+ return -EFAULT;
+ return 0;
+}
+
static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
{
struct ethtool_wolinfo wol = { ETHTOOL_GWOL };
@@ -684,16 +697,10 @@ 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);
+ test_len = ops->get_sset_count(dev, ETH_SS_TEST);
if (test_len < 0)
return test_len;
WARN_ON(test_len == 0);
@@ -728,36 +735,17 @@ 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;
- }
- }
+ ret = ops->get_sset_count(dev, gstrings.string_set);
+ if (ret < 0)
+ return ret;
+
+ gstrings.len = ret;
data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
if (!data)
@@ -798,16 +786,10 @@ 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);
+ n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
if (n_stats < 0)
return n_stats;
WARN_ON(n_stats == 0);
@@ -1127,6 +1109,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_FLASHDEV:
rc = ethtool_flash_device(dev, useraddr);
break;
+ case ETHTOOL_RESET:
+ rc = ethtool_reset(dev, useraddr);
+ break;
default:
rc = -EOPNOTSUPP;
}