Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <4287b4dc-83b6-5c27-7df1-542a76ff3451@gmail.com>
Date:   Sat, 12 Feb 2022 12:32:05 -0700
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0)
 Gecko/20100101 Thunderbird/91.6.0
Subject: Re: [PATCH v2] Generate netlink notification when default IPv6 route
 preference changes
Content-Language: en-US
To:     Kalash Nainwal <kalash@arista.com>, netdev@vger.kernel.org
Cc:     fruggeri@arista.com, "David S. Miller" <davem@davemloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
        David Ahern <dsahern@kernel.org>,
        Jakub Kicinski <kuba@kernel.org>, linux-kernel@vger.kernel.org
References: <20220210220935.21139-1-kalash@arista.com>
From:   David Ahern <dsahern@gmail.com>
In-Reply-To: <20220210220935.21139-1-kalash@arista.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 2/10/22 2:09 PM, Kalash Nainwal wrote:
>  Generate RTM_NEWROUTE netlink notification when the route preference
>  changes on an existing kernel generated default route in response to
>  RA messages. Currently netlink notifications are generated only when
>  this route is added or deleted but not when the route preference
>  changes, which can cause userspace routing application state to go
>  out of sync with kernel.
> 
> Signed-off-by: Kalash Nainwal <kalash@arista.com>
> ---
>  net/ipv6/ndisc.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

Reviewed-by: David Ahern <dsahern@kernel.org>