From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eyal Birger Subject: Re: [PATCH net-next v2 4/7] net: packet: use skb->dev as storage for skb orig len instead of skb->cb[] Date: Sun, 1 Mar 2015 07:35:26 +0200 Message-ID: References: <20150228.160047.214686672558902639.davem@davemloft.net> <20150301.003143.1281961486875434872.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Willem de Bruijn , Eric Dumazet , Shmulik Ladkani , linux-bluetooth-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Marcel Holtmann , "netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" To: David Miller Return-path: In-Reply-To: <20150301.003143.1281961486875434872.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org> Sender: linux-bluetooth-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On Sun, Mar 1, 2015 at 7:31 AM, David Miller wrote: > From: Eyal Birger > Date: Sun, 1 Mar 2015 07:09:54 +0200 > >> Ok. Another suggestion I received was to delay the preparation of the full >> sockaddr_ll until it is needed, and store the skb original length in the first >> two fields (sll_protocol and sll_family) as they can be derived later on from >> the skb. >> >> IMHO, It would still be somewhat of a hack though. >> >> Would that approach be considered? > > I think it's better than mangling skb->dev Ok. Will submit a v3.