Return-Path: Date: Mon, 18 Jul 2011 15:18:11 -0700 (PDT) From: Mat Martineau To: Marcel Holtmann cc: padovan@profusion.mobi, linux-bluetooth@vger.kernel.org Subject: Re: [PATCH 0/3] Zero-copy L2CAP ERTM & streaming reassembly In-Reply-To: <1311021225.21109.165.camel@aeonflux> Message-ID: References: <1310579919-24546-1-git-send-email-mathewm@codeaurora.org> <1311021225.21109.165.camel@aeonflux> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi Marcel - On Mon, 18 Jul 2011, Marcel Holtmann wrote: > Hi Mat, > >>> This patch series changes SDU reassembly to link together PDU skbs >>> using a frag list instead of copying all data bytes to a single, >>> linear skb. The reduction in overhead is especially helpful with high >>> speed AMP links. > > I have not looked at these at all, but one thing that came up in a > discussion between Johan and myself with OBEX zero-copy was that we like > to also see MSG_MORE support for L2CAP and RFCOMM sockets. Something to > keep in mind ;) Noted! It would be nice to build up OBEX packets in the kernel, rather than having to assemble entire packets in an application buffer. -- Mat Martineau Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum