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Date: Sun, 24 Apr 2022 21:49:45 +0200
From: Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com>
To: Nikolay Aleksandrov <razor@...ckwall.org>, netdev@...r.kernel.org
Cc: outreachy@...ts.linux.dev, roopa@...dia.com, jdenham@...hat.com,
sbrivio@...hat.com, jesse.brandeburg@...el.com,
anthony.l.nguyen@...el.com, davem@...emloft.net, kuba@...nel.org,
pabeni@...hat.com, vladimir.oltean@....com, claudiu.manoil@....com,
alexandre.belloni@...tlin.com, shshaikh@...vell.com,
manishc@...vell.com, intel-wired-lan@...ts.osuosl.org,
linux-kernel@...r.kernel.org, UNGLinuxDriver@...rochip.com,
GR-Linux-NIC-Dev@...vell.com, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next v3 1/2] rtnetlink: add extack support in fdb del
handlers
On ٢٤/٤/٢٠٢٢ ٢١:٠٢, Nikolay Aleksandrov wrote:
> On 24/04/2022 15:09, Alaa Mohamed wrote:
>> Add extack support to .ndo_fdb_del in netdevice.h and
>> all related methods.
>>
>> Signed-off-by: Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com>
>> ---
>> changes in V3:
>> fix errors reported by checkpatch.pl
>> ---
>> drivers/net/ethernet/intel/ice/ice_main.c | 4 ++--
>> drivers/net/ethernet/mscc/ocelot_net.c | 4 ++--
>> drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 2 +-
>> drivers/net/macvlan.c | 2 +-
>> drivers/net/vxlan/vxlan_core.c | 2 +-
>> include/linux/netdevice.h | 2 +-
>> net/bridge/br_fdb.c | 2 +-
>> net/bridge/br_private.h | 2 +-
>> net/core/rtnetlink.c | 4 ++--
>> 9 files changed, 12 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
>> index d768925785ca..7b55d8d94803 100644
>> --- a/drivers/net/ethernet/intel/ice/ice_main.c
>> +++ b/drivers/net/ethernet/intel/ice/ice_main.c
>> @@ -5678,10 +5678,10 @@ 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;
>> -
>> +
> What's changed here?
In the previous version, I removed the blank line after "int err;" and
you said I shouldn't so I added blank line.
>
>> if (ndm->ndm_state & NUD_PERMANENT) {
>> netdev_err(dev, "FDB only supports static addresses\n");
>> return -EINVAL;
>> diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
>> index 247bc105bdd2..e07c64e3159c 100644
>> --- a/drivers/net/ethernet/mscc/ocelot_net.c
>> +++ b/drivers/net/ethernet/mscc/ocelot_net.c
>> @@ -774,14 +774,14 @@ 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_port *ocelot_port = &priv->port;
>> struct ocelot *ocelot = ocelot_port->ocelot;
>> int port = priv->chip_port;
>>
>> - return ocelot_fdb_del(ocelot, port, addr, vid, ocelot_port->bridge);
>> + return ocelot_fdb_del(ocelot, port, addr, vid, ocelot_port->bridge, extack);
>> }
>>
>> static int ocelot_port_fdb_dump(struct sk_buff *skb,
>> diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
>> index d320567b2cca..51fa23418f6a 100644
>> --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
>> +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
>> @@ -368,7 +368,7 @@ 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)
>> + 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 069e8824c264..ffd34d9f7049 100644
>> --- a/drivers/net/macvlan.c
>> +++ b/drivers/net/macvlan.c
>> @@ -1017,7 +1017,7 @@ 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/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
>> index de97ff98d36e..cf2f60037340 100644
>> --- a/drivers/net/vxlan/vxlan_core.c
>> +++ b/drivers/net/vxlan/vxlan_core.c
>> @@ -1280,7 +1280,7 @@ 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 28ea4f8269d4..d0d2a8f33c73 100644
>> --- a/include/linux/netdevice.h
>> +++ b/include/linux/netdevice.h
>> @@ -1509,7 +1509,7 @@ 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 6ccda68bd473..5bfce2e9a553 100644
>> --- a/net/bridge/br_fdb.c
>> +++ b/net/bridge/br_fdb.c
>> @@ -1110,7 +1110,7 @@ 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 18ccc3d5d296..95348c1c9ce5 100644
>> --- a/net/bridge/br_private.h
>> +++ b/net/bridge/br_private.h
>> @@ -780,7 +780,7 @@ 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);
> This is way too long (111 chars) and checkpatch should've complained about it.
> WARNING: line length of 111 exceeds 100 columns
> #234: FILE: net/bridge/br_private.h:782:
> + struct net_device *dev, const unsigned char *addr, u16 vid, struct netlink_ext_ack *extack);
I will fix it.
>
>> 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 4041b3e2e8ec..99b30ae58a47 100644
>> --- a/net/core/rtnetlink.c
>> +++ b/net/core/rtnetlink.c
>> @@ -4223,7 +4223,7 @@ 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;
>> @@ -4235,7 +4235,7 @@ 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);
>>
>> --
>> 2.36.0
>>
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