netdev - Re: [PATCH net-next 1/3] ipv4: add IP

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Message-ID: <1478101928.7065.372.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Wed, 02 Nov 2016 08:52:08 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc:     netdev@...r.kernel.org, jdorfman@...gle.com, davem@...emloft.net,
        Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH net-next 1/3] ipv4: add IP_RECVFRAGSIZE cmsg

On Wed, 2016-11-02 at 11:02 -0400, Willem de Bruijn wrote:
> From: Willem de Bruijn <willemb@...gle.com>
> 
> The IP stack records the largest fragment of a reassembled packet
> in IPCB(skb)->frag_max_size. When reading a datagram or raw packet
> that arrived fragmented, expose the value to allow applications to
> estimate receive path MTU.

Acked-by: Eric Dumazet <edumazet@...gle.com>