[PATCH net-next v2 2/5] net: add netlink_ext_ack argument to rtnl_link_ops.changelink

From: Matthias Schiffer
Date: Sun Jun 25 2017 - 17:56:22 EST

Add support for extended error reporting.

Signed-off-by: Matthias Schiffer <mschiffer@xxxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/ulp/ipoib/ipoib_netlink.c | 7 ++++---
drivers/net/bonding/bond_netlink.c | 7 ++++---
drivers/net/caif/caif_hsi.c | 3 ++-
drivers/net/can/dev.c | 5 +++--
drivers/net/ipvlan/ipvlan_main.c | 3 ++-
drivers/net/macsec.c | 3 ++-
drivers/net/macvlan.c | 3 ++-
drivers/net/vxlan.c | 3 ++-
include/net/rtnetlink.h | 3 ++-
net/8021q/vlan_netlink.c | 7 ++++---
net/bridge/br_netlink.c | 5 +++--
net/caif/chnl_net.c | 3 ++-
net/core/rtnetlink.c | 2 +-
net/ipv4/ip_gre.c | 3 ++-
net/ipv4/ip_vti.c | 3 ++-
net/ipv4/ipip.c | 3 ++-
net/ipv6/ip6_gre.c | 3 ++-
net/ipv6/ip6_tunnel.c | 3 ++-
net/ipv6/ip6_vti.c | 3 ++-
net/ipv6/sit.c | 3 ++-
20 files changed, 47 insertions(+), 28 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
index 8b75f80da56c..3e44087935ae 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
@@ -64,8 +64,9 @@ static int ipoib_fill_info(struct sk_buff *skb, const struct net_device *dev)
return -EMSGSIZE;
}

-static int ipoib_changelink(struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[])
+static int ipoib_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
u16 mode, umcast;
int ret = 0;
@@ -134,7 +135,7 @@ static int ipoib_new_child_link(struct net *src_net, struct net_device *dev,
child_pkey, IPOIB_RTNL_CHILD);

if (!err && data)
- err = ipoib_changelink(dev, tb, data);
+ err = ipoib_changelink(dev, tb, data, extack);
return err;
}

diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index f817fb8005ef..cb803c026f1f 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -156,8 +156,9 @@ static int bond_slave_changelink(struct net_device *bond_dev,
return 0;
}

-static int bond_changelink(struct net_device *bond_dev,
- struct nlattr *tb[], struct nlattr *data[])
+static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct bonding *bond = netdev_priv(bond_dev);
struct bond_opt_value newval;
@@ -443,7 +444,7 @@ static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
{
int err;

- err = bond_changelink(bond_dev, tb, data);
+ err = bond_changelink(bond_dev, tb, data, extack);
if (err < 0)
return err;

diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index ed4723a9031f..438966bf51c2 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -1352,7 +1352,8 @@ static void cfhsi_netlink_parms(struct nlattr *data[], struct cfhsi *cfhsi)
}

static int caif_hsi_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
cfhsi_netlink_parms(data, netdev_priv(dev));
netdev_state_change(dev);
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 7f99e8a5dd09..6d8191f2ad32 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -880,8 +880,9 @@ static int can_validate(struct nlattr *tb[], struct nlattr *data[])
return 0;
}

-static int can_changelink(struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[])
+static int can_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct can_priv *priv = netdev_priv(dev);
int err;
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 7bda5f630ac9..e7d54072d7b3 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -455,7 +455,8 @@ static const struct ethtool_ops ipvlan_ethtool_ops = {
};

static int ipvlan_nl_changelink(struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[])
+ struct nlattr *tb[], struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ipvl_dev *ipvlan = netdev_priv(dev);
struct ipvl_port *port = ipvlan_port_get_rtnl(ipvlan->phy_dev);
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 60f3e3089ec3..38ba3d73ac15 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3056,7 +3056,8 @@ static void macsec_changelink_common(struct net_device *dev,
}

static int macsec_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
if (!data)
return 0;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 526d23db3b71..3064416578a9 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1409,7 +1409,8 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head)
EXPORT_SYMBOL_GPL(macvlan_dellink);

static int macvlan_changelink(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);
enum macvlan_mode mode;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 50a208747179..60c40349e73e 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3347,7 +3347,8 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev,
}

static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
struct vxlan_rdst *dst = &vxlan->default_dst;
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index 33332a104ac5..f7d0320f75b0 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -72,7 +72,8 @@ struct rtnl_link_ops {
struct netlink_ext_ack *extack);
int (*changelink)(struct net_device *dev,
struct nlattr *tb[],
- struct nlattr *data[]);
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack);
void (*dellink)(struct net_device *dev,
struct list_head *head);

diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 11b74e2b1036..f08b5e192e45 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -87,8 +87,9 @@ static int vlan_validate(struct nlattr *tb[], struct nlattr *data[])
return 0;
}

-static int vlan_changelink(struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[])
+static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ifla_vlan_flags *flags;
struct ifla_vlan_qos_mapping *m;
@@ -154,7 +155,7 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev,
else if (dev->mtu > max_mtu)
return -EINVAL;

- err = vlan_changelink(dev, tb, data);
+ err = vlan_changelink(dev, tb, data, extack);
if (err < 0)
return err;

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 39c1fa104c8d..37e4ec2953b2 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -960,7 +960,8 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
};

static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct net_bridge *br = netdev_priv(brdev);
int err;
@@ -1229,7 +1230,7 @@ static int br_dev_newlink(struct net *src_net, struct net_device *dev,
if (err)
return err;

- err = br_changelink(dev, tb, data);
+ err = br_changelink(dev, tb, data, extack);
if (err)
unregister_netdevice(dev);
return err;
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 3ad833cd042f..922ac1d605b3 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -485,7 +485,8 @@ static int ipcaif_newlink(struct net *src_net, struct net_device *dev,
}

static int ipcaif_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct chnl_net *caifdev;
ASSERT_RTNL();
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 8b3faa00905f..bac81d1bb24d 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2620,7 +2620,7 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
!ops->changelink)
return -EOPNOTSUPP;

- err = ops->changelink(dev, tb, data);
+ err = ops->changelink(dev, tb, data, extack);
if (err < 0)
return err;
status |= DO_SETLINK_NOTIFY;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 989f29f2f0d5..a63985c4bec7 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -980,7 +980,8 @@ static int ipgre_newlink(struct net *src_net, struct net_device *dev,
}

static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip_tunnel *t = netdev_priv(dev);
struct ip_tunnel_parm p;
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index d748c5017d3b..24acff67a4f2 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -514,7 +514,8 @@ static int vti_newlink(struct net *src_net, struct net_device *dev,
}

static int vti_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip_tunnel *t = netdev_priv(dev);
__u32 fwmark = t->fwmark;
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 51132060397d..eb7fe7b0046f 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -489,7 +489,8 @@ static int ipip_newlink(struct net *src_net, struct net_device *dev,
}

static int ipip_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip_tunnel *t = netdev_priv(dev);
struct ip_tunnel_parm p;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index f7c949d41fda..7232b28425f3 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1404,7 +1404,8 @@ static int ip6gre_newlink(struct net *src_net, struct net_device *dev,
}

static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip6_tnl *t, *nt = netdev_priv(dev);
struct net *net = nt->net;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index ca12b2e33ae3..d9f60a173107 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -2006,7 +2006,8 @@ static int ip6_tnl_newlink(struct net *src_net, struct net_device *dev,
}

static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip6_tnl *t = netdev_priv(dev);
struct __ip6_tnl_parm p;
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 736a4f3f731d..2afdddb48e69 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -967,7 +967,8 @@ static void vti6_dellink(struct net_device *dev, struct list_head *head)
}

static int vti6_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip6_tnl *t;
struct __ip6_tnl_parm p;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index f7445fdb5e64..b8000429f78d 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1574,7 +1574,8 @@ static int ipip6_newlink(struct net *src_net, struct net_device *dev,
}

static int ipip6_changelink(struct net_device *dev, struct nlattr *tb[],
- struct nlattr *data[])
+ struct nlattr *data[],
+ struct netlink_ext_ack *extack)
{
struct ip_tunnel *t = netdev_priv(dev);
struct ip_tunnel_parm p;
--
2.13.1