netdev - Re: [PATCH net-next 5/8] bridge: Add addresses from static fdbs to non-promisc ports

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Message-ID: <5373D5C3.60807@cogentembedded.com>
Date:	Thu, 15 May 2014 00:44:51 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Vlad Yasevich <vyasevic@...hat.com>, netdev@...r.kernel.org
CC:	bridge@...ts.linux-foundation.org, shemminger@...tta.com,
	mst@...hat.com, john.r.fastabend@...el.com, jhs@...atatu.com
Subject: Re: [PATCH net-next 5/8] bridge: Add addresses from static fdbs to
 non-promisc ports

On 05/14/2014 07:09 PM, Vlad Yasevich wrote:

> When a static fdb entry is created, add the mac address
> from this fdb entry to any ports that are currently running
> in non-promiscuous mode.  These ports need this data so that
> they can receive traffic destined to these addresses.
> By default ports start in promiscuous mode, so this feature
> is disabled.

> Signed-off-by: Vlad Yasevich <vyasevic@...hat.com>
> ---
>   net/bridge/br_fdb.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++-----
>   1 file changed, 70 insertions(+), 6 deletions(-)

> diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
> index 9759b61..958b68a 100644
> --- a/net/bridge/br_fdb.c
> +++ b/net/bridge/br_fdb.c
> @@ -85,8 +85,58 @@ static void fdb_rcu_free(struct rcu_head *head)
>   	kmem_cache_free(br_fdb_cache, ent);
>   }
>
> +/* When a static FDB entry is added, the mac address from the entry is
> + * added to the bridge private HW address list and all required ports
> + * are then updated with the new information.
> + * Called under RTNL.
> + */
> +static void fdb_add_hw(struct net_bridge *br, const unsigned char *addr)
> +{
> +	int err;
> +	struct net_bridge_port *p, *tmp = NULL;

    Initializer doesn't seem to be needed.

[...]

WBR, Sergei

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