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Date: Mon, 25 Apr 2022 13:51:23 +0200
From: Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com>
To: Julia Lawall <julia.lawall@...ia.fr>
Cc: Nikolay Aleksandrov <razor@...ckwall.org>, netdev@...r.kernel.org,
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 ٢٥/٤/٢٠٢٢ ٠٨:١١, Julia Lawall wrote:
>
> On Sun, 24 Apr 2022, Alaa Mohamed wrote:
>
>> On ٢٤/٤/٢٠٢٢ ٢١:٥٥, Nikolay Aleksandrov wrote:
>>> On 24/04/2022 22:49, Alaa Mohamed wrote:
>>>> 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.
>>>>
>>> Yeah, my question is are you fixing a dos ending or something else?
>>> The blank line is already there, what's wrong with it?
>> No, I didn't.
> OK, so what is the answer to the question about what changed? It looks
> like you remove a blank line and then add it back. But that should not
> show up as a difference when you generate the patch.
>
> When you answer a comment, please put a blank line before and after your
> answer. Otherwise it can be hard to see your answer when it is in the
> middle of a larger patch.
>
>>> The point is it's not nice to mix style fixes and other changes, more so
>>> if nothing is mentioned in the commit message.
>> Got it, So, what should I do to fix it?
> A series? But it is not clear that any change is needed here at all.
>
> julia
I understood but I mean how to create the patch without this but I will
google it , Thanks Julia.
>
>>>>>> 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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