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Wed, 19 Jun 2019 18:47:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1560970061; bh=1yZ8gW4omtDGb+oqxDGLEnHBunqq4YkklbYTCwDXY3U=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=EYJPfomCH0dyi8k+h1DqgHcD2V+VGlCjTr2UW5kMNzdEfu1KOLIsNdJLhoktaOzmA m/h33t+EefNSvWuAkeKELMtnzWcc+qBxt8d9cgJtkGZ48T9SKBFnd9AXK8qipv82lA v0cg/okvJwlKbZsTmYQvUj8EwjwxzJTMZbjQGxjY= MIME-Version: 1.0 Date: Wed, 19 Jun 2019 12:47:41 -0600 From: Subash Abhinov Kasiviswanathan To: Arnd Bergmann Subject: Re: [PATCH v2 00/17] net: introduce Qualcomm IPA driver In-Reply-To: References: <380a6185-7ad1-6be0-060b-e6e5d4126917@linaro.org> <066e9b39f937586f0f922abf801351553ec2ba1d.camel@sipsolutions.net> <613cdfde488eb23d7207c7ba6258662702d04840.camel@sipsolutions.net> <6c70950d0c78bc02a3d016918ec3929e@codeaurora.org> Message-ID: <2926e45fd7ff62fd7c4af9b338bf0caa@codeaurora.org> X-Sender: subashab@codeaurora.org User-Agent: Roundcube Webmail/1.2.5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190619_114743_706598_86159AF8 X-CRM114-Status: GOOD ( 11.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: DTML , syadagir@codeaurora.org, Eric Caruso , David Miller , Dan Williams , linux-arm-msm@vger.kernel.org, Ilias Apalodimas , Linux Kernel Mailing List , evgreen@chromium.org, Bjorn Andersson , Networking , Linux ARM , Alex Elder , Johannes Berg , linux-soc@vger.kernel.org, abhishek.esse@gmail.com, cpratapa@codeaurora.org, Ben Chan Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel