lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20191219194057.4208-3-cforno12@linux.vnet.ibm.com>
Date:   Thu, 19 Dec 2019 13:40:57 -0600
From:   Cris Forno <cforno12@...ux.vnet.ibm.com>
To:     netdev@...r.kernel.org
Cc:     mst@...hat.com, jasowang@...hat.com, haiyangz@...rosoft.com,
        sthemmin@...rosoft.com, sashal@...nel.org, tlfalcon@...ux.ibm.com,
        Cris Forno <cforno12@...ux.vnet.ibm.com>
Subject: [PATCH, net-next, v3, 2/2] With get/set link settings functions in core/ethtool.c, ibmveth, netvsc, and virtio now use the core's helper function.

Signed-off-by: Cris Forno <cforno12@...ux.vnet.ibm.com>
---
 drivers/net/ethernet/ibm/ibmveth.c | 60 +++++++++++++++++++++-----------------
 drivers/net/ethernet/ibm/ibmveth.h |  3 ++
 drivers/net/hyperv/netvsc_drv.c    | 21 ++++---------
 drivers/net/virtio_net.c           | 45 ++++------------------------
 4 files changed, 46 insertions(+), 83 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index c5be4eb..6f9350ca5 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -712,31 +712,34 @@ static int ibmveth_close(struct net_device *netdev)
 	return 0;
 }
 
-static int netdev_get_link_ksettings(struct net_device *dev,
-				     struct ethtool_link_ksettings *cmd)
+static int ibmveth_set_link_ksettings(struct net_device *dev,
+				      const struct ethtool_link_ksettings *cmd)
 {
-	u32 supported, advertising;
-
-	supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
-				SUPPORTED_FIBRE);
-	advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg |
-				ADVERTISED_FIBRE);
-	cmd->base.speed = SPEED_1000;
-	cmd->base.duplex = DUPLEX_FULL;
-	cmd->base.port = PORT_FIBRE;
-	cmd->base.phy_address = 0;
-	cmd->base.autoneg = AUTONEG_ENABLE;
-
-	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
-						supported);
-	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
-						advertising);
+	struct ibmveth_adapter *adapter = netdev_priv(dev);
 
-	return 0;
+	return ethtool_virtdev_set_ksettings(dev, cmd,
+					     &adapter->speed, &adapter->duplex);
+}
+
+static int ibmveth_get_link_ksettings(struct net_device *dev,
+				      struct ethtool_link_ksettings *cmd)
+{
+	struct ibmveth_adapter *adapter = netdev_priv(dev);
+
+	return ethtool_virtdev_get_ksettings(dev, cmd,
+					     &adapter->speed, &adapter->duplex);
+}
+
+static void ibmveth_init_link_settings(struct net_device *dev)
+{
+	struct ibmveth_adapter *adapter = netdev_priv(dev);
+
+	adapter->speed = SPEED_1000;
+	adapter->duplex = DUPLEX_FULL;
 }
 
-static void netdev_get_drvinfo(struct net_device *dev,
-			       struct ethtool_drvinfo *info)
+static void ibmveth_get_drvinfo(struct net_device *dev,
+				struct ethtool_drvinfo *info)
 {
 	strlcpy(info->driver, ibmveth_driver_name, sizeof(info->driver));
 	strlcpy(info->version, ibmveth_driver_version, sizeof(info->version));
@@ -965,12 +968,14 @@ static void ibmveth_get_ethtool_stats(struct net_device *dev,
 }
 
 static const struct ethtool_ops netdev_ethtool_ops = {
-	.get_drvinfo		= netdev_get_drvinfo,
-	.get_link		= ethtool_op_get_link,
-	.get_strings		= ibmveth_get_strings,
-	.get_sset_count		= ibmveth_get_sset_count,
-	.get_ethtool_stats	= ibmveth_get_ethtool_stats,
-	.get_link_ksettings	= netdev_get_link_ksettings,
+	.get_drvinfo		         = ibmveth_get_drvinfo,
+	.get_link		         = ethtool_op_get_link,
+	.get_strings		         = ibmveth_get_strings,
+	.get_sset_count		         = ibmveth_get_sset_count,
+	.get_ethtool_stats	         = ibmveth_get_ethtool_stats,
+	.get_link_ksettings	         = ibmveth_get_link_ksettings,
+	.set_link_ksettings              = ibmveth_set_link_ksettings,
+	.virtdev_validate_link_ksettings = ethtool_virtdev_validate_cmd,
 };
 
 static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -1648,6 +1653,7 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id)
 	adapter->netdev = netdev;
 	adapter->mcastFilterSize = be32_to_cpu(*mcastFilterSize_p);
 	adapter->pool_config = 0;
+	ibmveth_init_link_settings(netdev);
 
 	netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16);
 
diff --git a/drivers/net/ethernet/ibm/ibmveth.h b/drivers/net/ethernet/ibm/ibmveth.h
index 4e9bf34..27dfff2 100644
--- a/drivers/net/ethernet/ibm/ibmveth.h
+++ b/drivers/net/ethernet/ibm/ibmveth.h
@@ -162,6 +162,9 @@ struct ibmveth_adapter {
     u64 tx_send_failed;
     u64 tx_large_packets;
     u64 rx_large_packets;
+    /* Ethtool settings */
+	u8 duplex;
+	u32 speed;
 };
 
 /*
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 5fa5c49..d0dfa8e 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1084,29 +1084,17 @@ static int netvsc_get_link_ksettings(struct net_device *dev,
 {
 	struct net_device_context *ndc = netdev_priv(dev);
 
-	cmd->base.speed = ndc->speed;
-	cmd->base.duplex = ndc->duplex;
-	cmd->base.port = PORT_OTHER;
-
-	return 0;
+	return ethtool_virtdev_get_link_ksettings(dev, cmd,
+						  &ndc->speed, &ndc->duplex);
 }
 
 static int netvsc_set_link_ksettings(struct net_device *dev,
 				     const struct ethtool_link_ksettings *cmd)
 {
 	struct net_device_context *ndc = netdev_priv(dev);
-	u32 speed;
-
-	speed = cmd->base.speed;
-	if (!ethtool_validate_speed(speed) ||
-	    !ethtool_validate_duplex(cmd->base.duplex) ||
-	    !netvsc_validate_ethtool_ss_cmd(cmd))
-		return -EINVAL;
-
-	ndc->speed = speed;
-	ndc->duplex = cmd->base.duplex;
 
-	return 0;
+	return ethtool_virtdev_set_link_ksettings(dev, cmd,
+						  &ndc->speed, &ndc->duplex);
 }
 
 static int netvsc_change_mtu(struct net_device *ndev, int mtu)
@@ -1867,6 +1855,7 @@ static void netvsc_set_msglevel(struct net_device *ndev, u32 val)
 	.set_link_ksettings = netvsc_set_link_ksettings,
 	.get_ringparam	= netvsc_get_ringparam,
 	.set_ringparam	= netvsc_set_ringparam,
+	.virtdev_validate_link_ksettings = netvsc_validate_ethtool_ss_cmd,
 };
 
 static const struct net_device_ops device_ops = {
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 5a635f0..5cbcb16 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2166,48 +2166,15 @@ static void virtnet_get_channels(struct net_device *dev,
 	channels->other_count = 0;
 }
 
-/* Check if the user is trying to change anything besides speed/duplex */
-static bool
-virtnet_validate_ethtool_cmd(const struct ethtool_link_ksettings *cmd)
-{
-	struct ethtool_link_ksettings diff1 = *cmd;
-	struct ethtool_link_ksettings diff2 = {};
-
-	/* cmd is always set so we need to clear it, validate the port type
-	 * and also without autonegotiation we can ignore advertising
-	 */
-	diff1.base.speed = 0;
-	diff2.base.port = PORT_OTHER;
-	ethtool_link_ksettings_zero_link_mode(&diff1, advertising);
-	diff1.base.duplex = 0;
-	diff1.base.cmd = 0;
-	diff1.base.link_mode_masks_nwords = 0;
-
-	return !memcmp(&diff1.base, &diff2.base, sizeof(diff1.base)) &&
-		bitmap_empty(diff1.link_modes.supported,
-			     __ETHTOOL_LINK_MODE_MASK_NBITS) &&
-		bitmap_empty(diff1.link_modes.advertising,
-			     __ETHTOOL_LINK_MODE_MASK_NBITS) &&
-		bitmap_empty(diff1.link_modes.lp_advertising,
-			     __ETHTOOL_LINK_MODE_MASK_NBITS);
 }
 
 static int virtnet_set_link_ksettings(struct net_device *dev,
 				      const struct ethtool_link_ksettings *cmd)
 {
 	struct virtnet_info *vi = netdev_priv(dev);
-	u32 speed;
 
-	speed = cmd->base.speed;
-	/* don't allow custom speed and duplex */
-	if (!ethtool_validate_speed(speed) ||
-	    !ethtool_validate_duplex(cmd->base.duplex) ||
-	    !virtnet_validate_ethtool_cmd(cmd))
-		return -EINVAL;
-	vi->speed = speed;
-	vi->duplex = cmd->base.duplex;
-
-	return 0;
+	return ethtool_virtdev_set_link_ksettings(dev, cmd,
+						  &vi->speed, &vi->duplex);
 }
 
 static int virtnet_get_link_ksettings(struct net_device *dev,
@@ -2215,11 +2182,8 @@ static int virtnet_get_link_ksettings(struct net_device *dev,
 {
 	struct virtnet_info *vi = netdev_priv(dev);
 
-	cmd->base.speed = vi->speed;
-	cmd->base.duplex = vi->duplex;
-	cmd->base.port = PORT_OTHER;
-
-	return 0;
+	return ethtool_virtdev_get_link_ksettings(dev, cmd,
+						  vi->speed, vi->duplex);
 }
 
 static int virtnet_set_coalesce(struct net_device *dev,
@@ -2309,6 +2273,7 @@ static void virtnet_update_settings(struct virtnet_info *vi)
 	.set_link_ksettings = virtnet_set_link_ksettings,
 	.set_coalesce = virtnet_set_coalesce,
 	.get_coalesce = virtnet_get_coalesce,
+	.virtdev_validate_link_ksettings = ethtool_virtdev_validate_cmd,
 };
 
 static void virtnet_freeze_down(struct virtio_device *vdev)
-- 
1.8.3.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ