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From: Vlad Yasevich <vyasevic@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: mst@redhat.com, netdev@vger.kernel.org,
	bridge@lists.linux-foundation.org, jhs@mojatatu.com,
	john.r.fastabend@intel.com, shemminger@vyatta.com
Subject: Re: [PATCH net-next 2/8] bridge: Keep track of ports capable of automatic discovery.
Date: Thu, 15 May 2014 12:04:14 -0400	[thread overview]
Message-ID: <5374E57E.8010708@redhat.com> (raw)
In-Reply-To: <20140514084251.317ed026@nehalam.linuxnetplumber.net>

On 05/14/2014 11:42 AM, Stephen Hemminger wrote:
> On Wed, 14 May 2014 11:09:22 -0400
> Vlad Yasevich <vyasevic@redhat.com> wrote:
> 
>> @@ -58,6 +61,7 @@ static int store_flag(struct net_bridge_port *p, unsigned long v,
>>  
>>  	if (flags != p->flags) {
>>  		p->flags = flags;
>> +		br_port_flags_change(p, old_flags ^ flags);
> 
> You are also xoring twice.
> 

That's wrong...  I've take care of that.

> Why not:
> 
> store_flag()
> 	if (flags != p->flags) {
> 		br_port_flags_change(p, flags);
> 		p->flags = flags;
> 		br_ifinfo_notify(RTM_NEWLINK, p);
> 

This doesn't really make sense as flags_change handler will use current
flag value and that would be wrong.  We'd have to pass the new flags
along, but that doesn't make sense either.

I'll send the update shortly.

Thanks
-vlad

  reply	other threads:[~2014-05-15 16:04 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-14 15:09 [PATCH net-next 0/8] Non-promisc bidge ports support Vlad Yasevich
2014-05-14 15:09 ` [PATCH net-next 1/8] bridge: Turn flag change macro into a function Vlad Yasevich
2014-05-14 15:09 ` [PATCH net-next 2/8] bridge: Keep track of ports capable of automatic discovery Vlad Yasevich
2014-05-14 15:40   ` Stephen Hemminger
2014-05-14 15:42   ` Stephen Hemminger
2014-05-15 16:04     ` Vlad Yasevich [this message]
2014-05-14 15:09 ` [PATCH net-next 3/8] bridge: Add functionality to sync static fdb entries to hw Vlad Yasevich
2014-05-14 20:47   ` Sergei Shtylyov
2014-05-14 15:09 ` [PATCH net-next 4/8] bridge: Introduce BR_PROMISC flag Vlad Yasevich
2014-05-14 15:09 ` [PATCH net-next 5/8] bridge: Add addresses from static fdbs to non-promisc ports Vlad Yasevich
2014-05-14 20:44   ` Sergei Shtylyov
2014-05-14 15:09 ` [PATCH net-next 6/8] bridge: Automatically manage port promiscuous mode Vlad Yasevich
2014-05-14 15:09 ` [PATCH net-next 7/8] bridge: Correctly manage promiscuity when user requested it Vlad Yasevich
2014-05-14 15:09 ` [PATCH net-next 8/8] bridge: Automatically manage promisc mode when vlan filtering is on Vlad Yasevich
2014-05-14 20:41   ` Sergei Shtylyov
2014-05-14 15:21 ` [PATCH net-next 0/8] Non-promisc bidge ports support Michael S. Tsirkin
2014-05-14 19:29 ` David Miller
2014-05-15 16:09   ` Vlad Yasevich
2014-05-15 12:55 ` Toshiaki Makita
2014-05-15 13:02   ` Toshiaki Makita

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