linux-kernel - Re: [PATCH v2 00/17] net: introduce Qualcomm IPA driver

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Date:   Tue, 11 Jun 2019 10:52:16 -0600
From:   Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>
To:     Dan Williams <dcbw@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Johannes Berg <johannes@...solutions.net>,
        Alex Elder <elder@...aro.org>, abhishek.esse@...il.com,
        Ben Chan <benchan@...gle.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        cpratapa@...eaurora.org, David Miller <davem@...emloft.net>,
        DTML <devicetree@...r.kernel.org>,
        Eric Caruso <ejcaruso@...gle.com>, evgreen@...omium.org,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-soc@...r.kernel.org, Networking <netdev@...r.kernel.org>,
        syadagir@...eaurora.org
Subject: Re: [PATCH v2 00/17] net: introduce Qualcomm IPA driver

> The general plan (and I believe Daniele Palmas was working on it) was
> to eventually make qmi_wwan use rmnet rather than its internal sysfs-
> based implementation. qmi_wwan and ipa are at essentially the same
> level and both could utilize rmnet on top.
> 
> *That's* what I'd like to see. I don't want to see two different ways
> to get QMAP packets to modem firmware from two different drivers that
> really could use the same code.
> 
> Dan

qmi_wwan is based on USB and is very different from the IPA interconnect
though. AFAIK, they do not have much in common (apart from sending &
receiving MAP packets from hardware).

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a Linux Foundation Collaborative Project