From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subash Abhinov Kasiviswanathan Subject: Re: [PATCH v2 00/17] net: introduce Qualcomm IPA driver Date: Wed, 19 Jun 2019 12:47:41 -0600 Message-ID: <2926e45fd7ff62fd7c4af9b338bf0caa@codeaurora.org> References: <380a6185-7ad1-6be0-060b-e6e5d4126917@linaro.org> <066e9b39f937586f0f922abf801351553ec2ba1d.camel@sipsolutions.net> <613cdfde488eb23d7207c7ba6258662702d04840.camel@sipsolutions.net> <6c70950d0c78bc02a3d016918ec3929e@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Arnd Bergmann Cc: Johannes Berg , Alex Elder , abhishek.esse@gmail.com, Ben Chan , Bjorn Andersson , cpratapa@codeaurora.org, David Miller , Dan Williams , DTML , Eric Caruso , evgreen@chromium.org, Ilias Apalodimas , Linux ARM , linux-arm-msm@vger.kernel.org, Linux Kernel Mailing List , linux-soc@vger.kernel.org, Networking , syadagir@codeaurora.org List-Id: devicetree@vger.kernel.org >> There is a n:1 relationship between rmnet and IPA. >> rmnet does the de-muxing to multiple netdevs based on the mux id >> in the MAP header for RX packets and vice versa. > > Oh, so you mean that even though IPA supports multiple channels > and multiple netdev instances for a physical device, all the > rmnet devices end up being thrown into a single channel in IPA? > > What are the other channels for in IPA? I understand that there > is one channel for commands that is separate, while the others > are for network devices, but that seems to make no sense if > we only use a single channel for rmnet data. > AFAIK, the other channels are for use cases like tethering. There is only a single channel which is used for RX data which is then de-muxed using rmnet. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project