[Bugme-new] [Bug 16831] New: Mainline's asix driver does not work with A-Link NA1GU - does not send data

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon Aug 23 08:35:43 PDT 2010


https://bugzilla.kernel.org/show_bug.cgi?id=16831

           Summary: Mainline's asix driver does not work with A-Link NA1GU
                    - does not send data
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.26, 2.6.28, 2.6.35
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Network
        AssignedTo: drivers_network at kernel-bugs.osdl.org
        ReportedBy: zarhan at cs.tut.fi
        Regression: No


Using A-Link NA1GU, which uses ASIX 88772 chip, does not work with mainline
kernel's asix driver. The driver detects the network interface correctly.
However, when attempting to use the device, it does not send data frames at
all. TX counters do increase, and tcpdump shows packets being sent - but they
do not appear on the wire in reality. This applies to any and all packets -
arps, DHCP requests, ICMP's, whatever. Receiving data works ok.

This issue appeared at three separate computers, one of them an Alix router
(Geode board) running Debian with kernel 2.6.26, one desktop computer (Ubuntu
with kernel 2.6.28), and one laptop running Gentoo Linux and kernel 2.6.35.

The driver code from the vendor, located at 

http://www.asix.com.tw/FrootAttach/driver/AX88772B_772A_760_772_178_LINUX2.6.32_Driver_v3.2.0_Source.tar.bz2

works ok and compiles against kernel sources 2.6.26 and 2.6.28 (Debian and
Ubuntu variants). However, it does not compile against kernel 2.6.35 (tarball's
readme says that tested until 2.6.32). 

Any chances of integrating the functional differences to the main tree?

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