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[Bug 1783241] Re: [HMS] Upgrades to Support SocketCAN over USB on Dell IoT 300x Gateways

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>
Date: Tue, 24 Jul 2018 19:14:21 -0000
Reply-to: Bug 1783241 <1783241@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => Critical

** Changed in: linux (Ubuntu Xenial)
       Status: New => Confirmed

** Tags added: kernel-da-key xenial

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https://bugs.launchpad.net/bugs/1783241

Title:
  [HMS] Upgrades to Support SocketCAN over USB on Dell IoT 300x Gateways

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  Confirmed

Bug description:
  Several scheduled upgrades to the HMS SocketCAN protocol driver over
  USB->CAN interface are required.

  SocketCAN support for USB->CAN devices was introduced in Ubuntu Xenial LTS kernel through following patch (BugLink: http://bugs.launchpad.net/bugs/1774563):
  cddf58207a3c UBUNTU: SAUCE: (no-up) Support IXXAT USB SocketCAN device

  == SRU Justification ==
  The scheduled upgrades include following changes:
  - support adapters for CL1 (Communication Layer for legacy devices) and
    CL2 (current devices)
  - removed CAN-IDM100 support (Microchip Rev A microcontroller)
  - add CAN-IDM101 support (Microchip Rev B microcontroller)
  - add Error-Passive recognition
  - move CAN message handling to the core module
  - use ktime API for timestamps
  - fixes Linux kernel coding style issues

  == Fix ==
  UBUNTU: SAUCE: (no-up) upgrade IXXAT USB SocketCAN driver

  == Regression Potential ==
  Low. The driver will be built only for amd64 kernels and attach itself to IXXAT USB-CAN adapters with VID 0x08d8. Also, patches from the vendor (HMS) have already been tested by Dell/ODM, Canonical QA on Dell 300x Edge IoT gateways.

  This bug is for tracking purposes only, please do not triage.

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