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Date: Tue, 26 Oct 2021 01:24:12 +0300
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org, Roopa Prabhu <roopa@...dia.com>,
Nikolay Aleksandrov <nikolay@...dia.com>,
Ido Schimmel <idosch@...dia.com>
Cc: Jakub Kicinski <kuba@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Vivien Didelot <vivien.didelot@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
Jiri Pirko <jiri@...dia.com>
Subject: [RFC PATCH net-next 12/15] net: rtnetlink: pass extack to .ndo_fdb_del
The .ndo_fdb_del method can already return an int error code, let's also
propagate the netlink extack for detailed error messages to user space.
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
drivers/net/ethernet/intel/ice/ice_main.c | 4 ++--
drivers/net/ethernet/mscc/ocelot_net.c | 3 ++-
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 5 +++--
drivers/net/macvlan.c | 3 ++-
drivers/net/vxlan.c | 3 ++-
include/linux/netdevice.h | 6 ++++--
net/bridge/br_fdb.c | 3 ++-
net/bridge/br_private.h | 3 ++-
net/core/rtnetlink.c | 4 ++--
9 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 9ba22778011d..7e0741d62aae 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -5434,12 +5434,12 @@ ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[],
static int
ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
struct net_device *dev, const unsigned char *addr,
- __always_unused u16 vid)
+ __always_unused u16 vid, struct netlink_ext_ack *extack)
{
int err;
if (ndm->ndm_state & NUD_PERMANENT) {
- netdev_err(dev, "FDB only supports static addresses\n");
+ NL_SET_ERR_MSG_MOD(extack, "FDB only supports static addresses");
return -EINVAL;
}
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index eaeba60b1bba..8f53c9858cc1 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -664,7 +664,8 @@ static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid,
+ struct netlink_ext_ack *extack)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index ed84f0f97623..f276cc2c4351 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -367,8 +367,9 @@ static int qlcnic_set_mac(struct net_device *netdev, void *p)
}
static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
- struct net_device *netdev,
- const unsigned char *addr, u16 vid)
+ struct net_device *netdev,
+ const unsigned char *addr, u16 vid,
+ struct netlink_ext_ack *extack)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err = -EOPNOTSUPP;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index d2f830ec2969..49377ef174c0 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1014,7 +1014,8 @@ static int macvlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid,
+ struct netlink_ext_ack *extack)
{
struct macvlan_dev *vlan = netdev_priv(dev);
int err = -EINVAL;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 141635a35c28..45e872d4e052 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1342,7 +1342,8 @@ static int __vxlan_fdb_delete(struct vxlan_dev *vxlan,
/* Delete entry (via netlink) */
static int vxlan_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid,
+ struct netlink_ext_ack *extack)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
union vxlan_addr ip;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3ec42495a43a..79284bdd4b6f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1245,7 +1245,8 @@ struct netdev_net_notifier {
* Adds an FDB entry to dev for addr.
* int (*ndo_fdb_del)(struct ndmsg *ndm, struct nlattr *tb[],
* struct net_device *dev,
- * const unsigned char *addr, u16 vid)
+ * const unsigned char *addr, u16 vid,
+ * struct netlink_ext_ack *extack);
* Deletes the FDB entry from dev coresponding to addr.
* int (*ndo_fdb_dump)(struct sk_buff *skb, struct netlink_callback *cb,
* struct net_device *dev, struct net_device *filter_dev,
@@ -1501,7 +1502,8 @@ struct net_device_ops {
struct nlattr *tb[],
struct net_device *dev,
const unsigned char *addr,
- u16 vid);
+ u16 vid,
+ struct netlink_ext_ack *extack);
int (*ndo_fdb_dump)(struct sk_buff *skb,
struct netlink_callback *cb,
struct net_device *dev,
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index e8afe64dadcc..ce49e5f914b1 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -1243,7 +1243,8 @@ static int __br_fdb_delete(struct net_bridge *br,
/* Remove neighbor entry with RTM_DELNEIGH */
int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid,
+ struct netlink_ext_ack *extack)
{
struct net_bridge_vlan_group *vg;
struct net_bridge_port *p = NULL;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index f5f7501dad7d..6c663ccc346c 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -773,7 +773,8 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
const unsigned char *addr, u16 vid, unsigned long flags);
int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
- struct net_device *dev, const unsigned char *addr, u16 vid);
+ struct net_device *dev, const unsigned char *addr, u16 vid,
+ struct netlink_ext_ack *extack);
int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev,
const unsigned char *addr, u16 vid, u16 nlh_flags,
struct netlink_ext_ack *extack);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2af8aeeadadf..eed5eefe2bcd 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4152,7 +4152,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
const struct net_device_ops *ops = br_dev->netdev_ops;
if (ops->ndo_fdb_del)
- err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid);
+ err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid, extack);
if (err)
goto out;
@@ -4164,7 +4164,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
if (ndm->ndm_flags & NTF_SELF) {
if (dev->netdev_ops->ndo_fdb_del)
err = dev->netdev_ops->ndo_fdb_del(ndm, tb, dev, addr,
- vid);
+ vid, extack);
else
err = ndo_dflt_fdb_del(ndm, tb, dev, addr, vid);
--
2.25.1
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