netdev - Re: [patch net-next v3 02/17] net: make vid as a parameter for ndo_fdb_add/ndo_fdb

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Date:	Tue, 25 Nov 2014 16:18:11 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Andy Gospodarek <gospo@...ulusnetworks.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, nhorman@...driver.com,
	andy@...yhouse.net, tgraf@...g.ch, dborkman@...hat.com,
	ogerlitz@...lanox.com, jesse@...ira.com, pshelar@...ira.com,
	azhou@...ira.com, ben@...adent.org.uk, stephen@...workplumber.org,
	jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
	edumazet@...gle.com, jhs@...atatu.com, sfeldma@...il.com,
	f.fainelli@...il.com, roopa@...ulusnetworks.com,
	linville@...driver.com, jasowang@...hat.com, ebiederm@...ssion.com,
	nicolas.dichtel@...nd.com, ryazanov.s.a@...il.com,
	buytenh@...tstofly.org, aviadr@...lanox.com, nbd@...nwrt.org,
	alexei.starovoitov@...il.com, Neil.Jerram@...aswitch.com,
	ronye@...lanox.com, simon.horman@...ronome.com,
	alexander.h.duyck@...hat.com, john.ronciak@...el.com,
	mleitner@...hat.com, shrijeet@...il.com, bcrl@...ck.org
Subject: Re: [patch net-next v3 02/17] net: make vid as a parameter for
 ndo_fdb_add/ndo_fdb_del

Tue, Nov 25, 2014 at 04:13:12PM CET, gospo@...ulusnetworks.com wrote:
>On Tue, Nov 25, 2014 at 11:28:33AM +0100, Jiri Pirko wrote:
>> Do the work of parsing NDA_VLAN directly in rtnetlink code, pass simple
>> u16 vid to drivers from there.
>> 
>> Signed-off-by: Jiri Pirko <jiri@...nulli.us>
>
>Structurally this looks fine, just a misspelling noted below.
>
>Acked-by: Andy Gospodarek <gospo@...ulusnetworks.com>
>
>> ---
>> new in v3
>> ---
>>  drivers/net/ethernet/intel/i40e/i40e_main.c      |  2 +-
>>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c    |  4 +-
>>  drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c |  9 +++--
>>  drivers/net/macvlan.c                            |  4 +-
>>  drivers/net/vxlan.c                              |  4 +-
>>  include/linux/netdevice.h                        |  8 ++--
>>  include/linux/rtnetlink.h                        |  6 ++-
>>  net/bridge/br_fdb.c                              | 39 ++----------------
>>  net/bridge/br_private.h                          |  4 +-
>>  net/core/rtnetlink.c                             | 50 ++++++++++++++++++++----
>>  10 files changed, 70 insertions(+), 60 deletions(-)
>> 
>[...]
>> diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
>> index a688268..f2a4b38 100644
>> --- a/net/core/rtnetlink.c
>> +++ b/net/core/rtnetlink.c
>> @@ -36,6 +36,7 @@
>>  #include <linux/mutex.h>
>>  #include <linux/if_addr.h>
>>  #include <linux/if_bridge.h>
>> +#include <linux/if_vlan.h>
>>  #include <linux/pci.h>
>>  #include <linux/etherdevice.h>
>>  
>> @@ -2312,7 +2313,7 @@ errout:
>>  int ndo_dflt_fdb_add(struct ndmsg *ndm,
>>  		     struct nlattr *tb[],
>>  		     struct net_device *dev,
>> -		     const unsigned char *addr,
>> +		     const unsigned char *addr, u16 vid,
>>  		     u16 flags)
>>  {
>>  	int err = -EINVAL;
>> @@ -2338,6 +2339,28 @@ int ndo_dflt_fdb_add(struct ndmsg *ndm,
>>  }
>>  EXPORT_SYMBOL(ndo_dflt_fdb_add);
>>  
>> +static int fbd_vid_parse(struct nlattr *vlan_attr, u16 *p_vid)
>I presume this is a misspelling?

Darn. Thanks. Will fix this.

>
>[...]
>> @@ -2370,6 +2394,10 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh)
>>  
>>  	addr = nla_data(tb[NDA_LLADDR]);
>>  
>> +	err = fbd_vid_parse(tb[NDA_VLAN], &vid);
>Same here....
>
>> +	if (err)
>> +		return err;
>> +
>>  	err = -EOPNOTSUPP;
>>  
>>  	/* Support fdb on master device the net/bridge default case */
>
>[...]
>> @@ -2465,6 +2496,10 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh)
>>  
>>  	addr = nla_data(tb[NDA_LLADDR]);
>>  
>> +	err = fbd_vid_parse(tb[NDA_VLAN], &vid);
>...and here.
>
>> +	if (err)
>> +		return err;
>> +
>>  	err = -EOPNOTSUPP;
>>  
>>  	/* Support fdb on master device the net/bridge default case */
>> @@ -2474,7 +2509,7 @@ 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);
>> +			err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid);
>>  
>>  		if (err)
>>  			goto out;
>> @@ -2485,9 +2520,10 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh)
>>  	/* Embedded bridge, macvlan, and any other device support */
>>  	if (ndm->ndm_flags & NTF_SELF) {
>>  		if (dev->netdev_ops->ndo_fdb_del)
>> -			err = dev->netdev_ops->ndo_fdb_del(ndm, tb, dev, addr);
>> +			err = dev->netdev_ops->ndo_fdb_del(ndm, tb, dev, addr,
>> +							   vid);
>>  		else
>> -			err = ndo_dflt_fdb_del(ndm, tb, dev, addr);
>> +			err = ndo_dflt_fdb_del(ndm, tb, dev, addr, vid);
>>  
>>  		if (!err) {
>>  			rtnl_fdb_notify(dev, addr, RTM_DELNEIGH);
>> -- 
>> 1.9.3
>> 
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