netdev - Re: [patch net-next v2 06/12] net: mroute: Check if rule is a default rule

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Message-ID: <d72ca561-4657-0223-d61c-0b0267318a5a@cumulusnetworks.com>
Date:   Mon, 25 Sep 2017 12:38:15 +0300
From:   Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:     Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, yotamg@...lanox.com, idosch@...lanox.com,
        mlxsw@...lanox.com, andrew@...n.ch
Subject: Re: [patch net-next v2 06/12] net: mroute: Check if rule is a default
 rule

On 24/09/17 20:22, Jiri Pirko wrote:
> From: Yotam Gigi <yotamg@...lanox.com>
> 
> When the ipmr starts, it adds one default FIB rule that matches all packets
> and sends them to the DEFAULT (multicast) FIB table. A more complex rule
> can be added by user to specify that for a specific interface, a packet
> should be look up at either an arbitrary table or according to the l3mdev
> of the interface.
> 
> For drivers willing to offload the ipmr logic into a hardware but don't
> want to offload all the FIB rules functionality, provide a function that
> can indicate whether the FIB rule is the default multicast rule, thus only
> one routing table is needed.
> 
> This way, a driver can register to the FIB notification chain, get
> notifications about FIB rules added and trigger some kind of an internal
> abort mechanism when a non default rule is added by the user.
> 
> Signed-off-by: Yotam Gigi <yotamg@...lanox.com>
> Reviewed-by: Ido Schimmel <idosch@...lanox.com>
> Signed-off-by: Jiri Pirko <jiri@...lanox.com>
> ---
>  include/linux/mroute.h |  7 +++++++
>  net/ipv4/ipmr.c        | 10 ++++++++++
>  2 files changed, 17 insertions(+)
> 

I saw the comment and am fine with the patch either way, so you can
add my:

Reviewed-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>

Thanks