From: David Ahern <dsahern@gmail.com>
Date: Wed, 4 Oct 2017 17:48:47 -0700
Subject: net: Add extack to upper device linking
Patch-mainline: v4.15-rc1
Git-commit: 42ab19ee90292993370a30ad242599d75a3b749e
References: bsc#1109837
Add extack arg to netdev_upper_dev_link and netdev_master_upper_dev_link
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/bonding/bond_main.c | 7 ++++---
drivers/net/hyperv/netvsc_drv.c | 2 +-
drivers/net/ipvlan/ipvlan_main.c | 2 +-
drivers/net/macsec.c | 2 +-
drivers/net/macvlan.c | 7 ++++---
drivers/net/macvtap.c | 2 +-
drivers/net/team/team.c | 2 +-
drivers/net/usb/qmi_wwan.c | 2 +-
drivers/net/vrf.c | 7 ++++---
include/linux/if_macvlan.h | 3 ++-
include/linux/netdevice.h | 6 ++++--
net/8021q/vlan.c | 6 +++---
net/8021q/vlan.h | 2 +-
net/8021q/vlan_netlink.c | 2 +-
net/batman-adv/hard-interface.c | 2 +-
net/bridge/br_if.c | 2 +-
net/core/dev.c | 15 ++++++++++-----
net/openvswitch/vport-netdev.c | 3 ++-
18 files changed, 43 insertions(+), 31 deletions(-)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1217,14 +1217,15 @@ static enum netdev_lag_tx_type bond_lag_
}
}
-static int bond_master_upper_dev_link(struct bonding *bond, struct slave *slave)
+static int bond_master_upper_dev_link(struct bonding *bond, struct slave *slave,
+ struct netlink_ext_ack *extack)
{
struct netdev_lag_upper_info lag_upper_info;
int err;
lag_upper_info.tx_type = bond_lag_tx_type(bond);
err = netdev_master_upper_dev_link(slave->dev, bond->dev, slave,
- &lag_upper_info);
+ &lag_upper_info, extack);
if (err)
return err;
rtmsg_ifinfo(RTM_NEWLINK, slave->dev, IFF_SLAVE, GFP_KERNEL);
@@ -1710,7 +1711,7 @@ int bond_enslave(struct net_device *bond
goto err_detach;
}
- res = bond_master_upper_dev_link(bond, new_slave);
+ res = bond_master_upper_dev_link(bond, new_slave, extack);
if (res) {
netdev_dbg(bond_dev, "Error %d calling bond_master_upper_dev_link\n", res);
goto err_unregister;
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1748,7 +1748,7 @@ static int netvsc_vf_join(struct net_dev
goto rx_handler_failed;
}
- ret = netdev_upper_dev_link(vf_netdev, ndev);
+ ret = netdev_upper_dev_link(vf_netdev, ndev, NULL);
if (ret != 0) {
netdev_err(vf_netdev,
"can not set master device %s (err = %d)\n",
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -584,7 +584,7 @@ int ipvlan_link_new(struct net *src_net,
if (err < 0)
goto remove_ida;
- err = netdev_upper_dev_link(phy_dev, dev);
+ err = netdev_upper_dev_link(phy_dev, dev, extack);
if (err) {
goto unregister_netdev;
}
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3244,7 +3244,7 @@ static int macsec_newlink(struct net *ne
&macsec_netdev_addr_lock_key,
macsec_get_nest_level(dev));
- err = netdev_upper_dev_link(real_dev, dev);
+ err = netdev_upper_dev_link(real_dev, dev, extack);
if (err < 0)
goto unregister;
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1344,7 +1344,8 @@ static int macvlan_changelink_sources(st
}
int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[])
+ struct nlattr *tb[], struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct macvlan_dev *vlan = netdev_priv(dev);
struct macvlan_port *port;
@@ -1433,7 +1434,7 @@ int macvlan_common_newlink(struct net *s
goto destroy_macvlan_port;
dev->priv_flags |= IFF_MACVLAN;
- err = netdev_upper_dev_link(lowerdev, dev);
+ err = netdev_upper_dev_link(lowerdev, dev, extack);
if (err)
goto unregister_netdev;
@@ -1456,7 +1457,7 @@ static int macvlan_newlink(struct net *s
struct nlattr *tb[], struct nlattr *data[],
struct netlink_ext_ack *extack)
{
- return macvlan_common_newlink(src_net, dev, tb, data);
+ return macvlan_common_newlink(src_net, dev, tb, data, extack);
}
void macvlan_dellink(struct net_device *dev, struct list_head *head)
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -105,7 +105,7 @@ static int macvtap_newlink(struct net *s
/* Don't put anything that may fail after macvlan_common_newlink
* because we can't undo what it does.
*/
- err = macvlan_common_newlink(src_net, dev, tb, data);
+ err = macvlan_common_newlink(src_net, dev, tb, data, extack);
if (err) {
netdev_rx_handler_unregister(dev);
return err;
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1112,7 +1112,7 @@ static int team_upper_dev_link(struct te
lag_upper_info.tx_type = team->mode->lag_tx_type;
err = netdev_master_upper_dev_link(port->dev, team->dev, NULL,
- &lag_upper_info);
+ &lag_upper_info, NULL);
if (err)
return err;
port->dev->priv_flags |= IFF_TEAM_PORT;
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -221,7 +221,7 @@ static int qmimux_register_device(struct
/* Account for reference in struct qmimux_priv_priv */
dev_hold(real_dev);
- err = netdev_upper_dev_link(real_dev, new_dev);
+ err = netdev_upper_dev_link(real_dev, new_dev, NULL);
if (err)
goto out_unregister_netdev;
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -871,7 +871,8 @@ static void cycle_netdev(struct net_devi
}
}
-static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
+static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev,
+ struct netlink_ext_ack *extack)
{
int ret;
@@ -882,7 +883,7 @@ static int do_vrf_add_slave(struct net_d
return -EOPNOTSUPP;
port_dev->priv_flags |= IFF_L3MDEV_SLAVE;
- ret = netdev_master_upper_dev_link(port_dev, dev, NULL, NULL);
+ ret = netdev_master_upper_dev_link(port_dev, dev, NULL, NULL, extack);
if (ret < 0)
goto err;
@@ -901,7 +902,7 @@ static int vrf_add_slave(struct net_devi
if (netif_is_l3_master(port_dev) || netif_is_l3_slave(port_dev))
return -EINVAL;
- return do_vrf_add_slave(dev, port_dev);
+ return do_vrf_add_slave(dev, port_dev, extack);
}
/* inverse of do_vrf_add_slave */
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -72,7 +72,8 @@ static inline void macvlan_count_rx(cons
extern void macvlan_common_setup(struct net_device *dev);
extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[]);
+ struct nlattr *tb[], struct nlattr *data[],
+ struct netlink_ext_ack *extack);
extern void macvlan_count_rx(const struct macvlan_dev *vlan,
unsigned int len, bool success,
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3916,10 +3916,12 @@ void *netdev_adjacent_get_private(struct
void *netdev_lower_get_first_private_rcu(struct net_device *dev);
struct net_device *netdev_master_upper_dev_get(struct net_device *dev);
struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev);
-int netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev);
+int netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev,
+ struct netlink_ext_ack *extack);
int netdev_master_upper_dev_link(struct net_device *dev,
struct net_device *upper_dev,
- void *upper_priv, void *upper_info);
+ void *upper_priv, void *upper_info,
+ struct netlink_ext_ack *extack);
void netdev_upper_dev_unlink(struct net_device *dev,
struct net_device *upper_dev);
void netdev_adjacent_rename_links(struct net_device *dev, char *oldname);
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -138,7 +138,7 @@ int vlan_check_real_dev(struct net_devic
return 0;
}
-int register_vlan_dev(struct net_device *dev)
+int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
struct net_device *real_dev = vlan->real_dev;
@@ -174,7 +174,7 @@ int register_vlan_dev(struct net_device
if (err < 0)
goto out_uninit_mvrp;
- err = netdev_upper_dev_link(real_dev, dev);
+ err = netdev_upper_dev_link(real_dev, dev, extack);
if (err)
goto out_unregister_netdev;
@@ -270,7 +270,7 @@ static int register_vlan_device(struct n
vlan->flags = VLAN_FLAG_REORDER_HDR;
new_dev->rtnl_link_ops = &vlan_link_ops;
- err = register_vlan_dev(new_dev);
+ err = register_vlan_dev(new_dev, NULL);
if (err < 0)
goto out_free_newdev;
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -107,7 +107,7 @@ void vlan_dev_get_realdev_name(const str
int vlan_check_real_dev(struct net_device *real_dev,
__be16 protocol, u16 vlan_id);
void vlan_setup(struct net_device *dev);
-int register_vlan_dev(struct net_device *dev);
+int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack);
void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
bool vlan_dev_inherit_address(struct net_device *dev,
struct net_device *real_dev);
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -160,7 +160,7 @@ static int vlan_newlink(struct net *src_
if (err < 0)
return err;
- return register_vlan_dev(dev);
+ return register_vlan_dev(dev, extack);
}
static inline size_t vlan_qos_map_size(unsigned int n)
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -738,7 +738,7 @@ int batadv_hardif_enable_interface(struc
bat_priv = netdev_priv(hard_iface->soft_iface);
ret = netdev_master_upper_dev_link(hard_iface->net_dev,
- soft_iface, NULL, NULL);
+ soft_iface, NULL, NULL, NULL);
if (ret)
goto err_dev;
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -540,7 +540,7 @@ int br_add_if(struct net_bridge *br, str
dev->priv_flags |= IFF_BRIDGE_PORT;
- err = netdev_master_upper_dev_link(dev, br->dev, NULL, NULL);
+ err = netdev_master_upper_dev_link(dev, br->dev, NULL, NULL, NULL);
if (err)
goto err5;
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6245,11 +6245,13 @@ static void __netdev_adjacent_dev_unlink
static int __netdev_upper_dev_link(struct net_device *dev,
struct net_device *upper_dev, bool master,
- void *upper_priv, void *upper_info)
+ void *upper_priv, void *upper_info,
+ struct netlink_ext_ack *extack)
{
struct netdev_notifier_changeupper_info changeupper_info = {
.info = {
.dev = dev,
+ .extack = extack,
},
.upper_dev = upper_dev,
.master = master,
@@ -6309,9 +6311,11 @@ rollback:
* returns zero.
*/
int netdev_upper_dev_link(struct net_device *dev,
- struct net_device *upper_dev)
+ struct net_device *upper_dev,
+ struct netlink_ext_ack *extack)
{
- return __netdev_upper_dev_link(dev, upper_dev, false, NULL, NULL);
+ return __netdev_upper_dev_link(dev, upper_dev, false,
+ NULL, NULL, extack);
}
EXPORT_SYMBOL(netdev_upper_dev_link);
@@ -6330,10 +6334,11 @@ EXPORT_SYMBOL(netdev_upper_dev_link);
*/
int netdev_master_upper_dev_link(struct net_device *dev,
struct net_device *upper_dev,
- void *upper_priv, void *upper_info)
+ void *upper_priv, void *upper_info,
+ struct netlink_ext_ack *extack)
{
return __netdev_upper_dev_link(dev, upper_dev, true,
- upper_priv, upper_info);
+ upper_priv, upper_info, extack);
}
EXPORT_SYMBOL(netdev_master_upper_dev_link);
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -108,7 +108,8 @@ struct vport *ovs_netdev_link(struct vpo
rtnl_lock();
err = netdev_master_upper_dev_link(vport->dev,
- get_dpdev(vport->dp), NULL, NULL);
+ get_dpdev(vport->dp),
+ NULL, NULL, NULL);
if (err)
goto error_unlock;