diff options
Diffstat (limited to 'net/core/ethtool.c')
| -rw-r--r-- | net/core/ethtool.c | 75 | 
1 files changed, 29 insertions, 46 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index ba02f0dfe85c..e677a20180cf 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -92,6 +92,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]  	[NETIF_F_GSO_PARTIAL_BIT] =	 "tx-gso-partial",  	[NETIF_F_GSO_SCTP_BIT] =	 "tx-sctp-segmentation",  	[NETIF_F_GSO_ESP_BIT] =		 "tx-esp-segmentation", +	[NETIF_F_GSO_UDP_L4_BIT] =	 "tx-udp-segmentation",  	[NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",  	[NETIF_F_SCTP_CRC_BIT] =        "tx-checksum-sctp", @@ -109,6 +110,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]  	[NETIF_F_HW_ESP_TX_CSUM_BIT] =	 "esp-tx-csum-hw-offload",  	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =	 "rx-udp_tunnel-port-offload",  	[NETIF_F_HW_TLS_RECORD_BIT] =	"tls-hw-record", +	[NETIF_F_HW_TLS_TX_BIT] =	 "tls-hw-tx-offload",  };  static const char @@ -210,23 +212,6 @@ static int ethtool_set_features(struct net_device *dev, void __user *useraddr)  	return ret;  } -static int phy_get_sset_count(struct phy_device *phydev) -{ -	int ret; - -	if (phydev->drv->get_sset_count && -	    phydev->drv->get_strings && -	    phydev->drv->get_stats) { -		mutex_lock(&phydev->lock); -		ret = phydev->drv->get_sset_count(phydev); -		mutex_unlock(&phydev->lock); - -		return ret; -	} - -	return -EOPNOTSUPP; -} -  static int __ethtool_get_sset_count(struct net_device *dev, int sset)  {  	const struct ethtool_ops *ops = dev->ethtool_ops; @@ -243,12 +228,9 @@ static int __ethtool_get_sset_count(struct net_device *dev, int sset)  	if (sset == ETH_SS_PHY_TUNABLES)  		return ARRAY_SIZE(phy_tunable_strings); -	if (sset == ETH_SS_PHY_STATS) { -		if (dev->phydev) -			return phy_get_sset_count(dev->phydev); -		else -			return -EOPNOTSUPP; -	} +	if (sset == ETH_SS_PHY_STATS && dev->phydev && +	    !ops->get_ethtool_phy_stats) +		return phy_ethtool_get_sset_count(dev->phydev);  	if (ops->get_sset_count && ops->get_strings)  		return ops->get_sset_count(dev, sset); @@ -271,17 +253,10 @@ static void __ethtool_get_strings(struct net_device *dev,  		memcpy(data, tunable_strings, sizeof(tunable_strings));  	else if (stringset == ETH_SS_PHY_TUNABLES)  		memcpy(data, phy_tunable_strings, sizeof(phy_tunable_strings)); -	else if (stringset == ETH_SS_PHY_STATS) { -		struct phy_device *phydev = dev->phydev; - -		if (phydev) { -			mutex_lock(&phydev->lock); -			phydev->drv->get_strings(phydev, data); -			mutex_unlock(&phydev->lock); -		} else { -			return; -		} -	} else +	else if (stringset == ETH_SS_PHY_STATS && dev->phydev && +		 !ops->get_ethtool_phy_stats) +		phy_ethtool_get_strings(dev->phydev, data); +	else  		/* ops->get_strings is valid because checked earlier */  		ops->get_strings(dev, stringset, data);  } @@ -936,7 +911,7 @@ static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,  	memset(&info, 0, sizeof(info));  	info.cmd = ETHTOOL_GSSET_INFO; -	info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); +	info_buf = kcalloc(n_bits, sizeof(u32), GFP_USER);  	if (!info_buf)  		return -ENOMEM; @@ -1042,7 +1017,7 @@ static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,  	if (info.cmd == ETHTOOL_GRXCLSRLALL) {  		if (info.rule_cnt > 0) {  			if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) -				rule_buf = kzalloc(info.rule_cnt * sizeof(u32), +				rule_buf = kcalloc(info.rule_cnt, sizeof(u32),  						   GFP_USER);  			if (!rule_buf)  				return -ENOMEM; @@ -1841,7 +1816,7 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr)  		return -EFAULT;  	test.len = test_len; -	data = kmalloc(test_len * sizeof(u64), GFP_USER); +	data = kmalloc_array(test_len, sizeof(u64), GFP_USER);  	if (!data)  		return -ENOMEM; @@ -1877,7 +1852,7 @@ static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)  	WARN_ON_ONCE(!ret);  	gstrings.len = ret; -	data = vzalloc(gstrings.len * ETH_GSTRING_LEN); +	data = vzalloc(array_size(gstrings.len, ETH_GSTRING_LEN));  	if (gstrings.len && !data)  		return -ENOMEM; @@ -1977,7 +1952,7 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)  		return -EFAULT;  	stats.n_stats = n_stats; -	data = vzalloc(n_stats * sizeof(u64)); +	data = vzalloc(array_size(n_stats, sizeof(u64)));  	if (n_stats && !data)  		return -ENOMEM; @@ -1998,15 +1973,19 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)  static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)  { -	struct ethtool_stats stats; +	const struct ethtool_ops *ops = dev->ethtool_ops;  	struct phy_device *phydev = dev->phydev; +	struct ethtool_stats stats;  	u64 *data;  	int ret, n_stats; -	if (!phydev) +	if (!phydev && (!ops->get_ethtool_phy_stats || !ops->get_sset_count))  		return -EOPNOTSUPP; -	n_stats = phy_get_sset_count(phydev); +	if (dev->phydev && !ops->get_ethtool_phy_stats) +		n_stats = phy_ethtool_get_sset_count(dev->phydev); +	else +		n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);  	if (n_stats < 0)  		return n_stats;  	if (n_stats > S32_MAX / sizeof(u64)) @@ -2017,13 +1996,17 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)  		return -EFAULT;  	stats.n_stats = n_stats; -	data = vzalloc(n_stats * sizeof(u64)); +	data = vzalloc(array_size(n_stats, sizeof(u64)));  	if (n_stats && !data)  		return -ENOMEM; -	mutex_lock(&phydev->lock); -	phydev->drv->get_stats(phydev, &stats, data); -	mutex_unlock(&phydev->lock); +	if (dev->phydev && !ops->get_ethtool_phy_stats) { +		ret = phy_ethtool_get_stats(dev->phydev, &stats, data); +		if (ret < 0) +			return ret; +	} else { +		ops->get_ethtool_phy_stats(dev, &stats, data); +	}  	ret = -EFAULT;  	if (copy_to_user(useraddr, &stats, sizeof(stats)))  | 
