Ok - but... you can upgrade your OS to that without any effort - simply apt-get-installing the required linux-image-3.16 package plus the -extra package. It's nothing more in case.
thank you kevin, thank you Bjorn.
Enrico
On Thu, 4 Dec 2014, Kevin Zhu wrote:
Date: Thu, 4 Dec 2014 10:26:20
From: Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx>
To: Bjørn Mork <bjorn@xxxxxxx>
Cc: Enrico Mioso <mrkiko.rs@xxxxxxxxx>,
Eli Britstein <Eli.Britstein@xxxxxxxxxxxxxx>,
Alex Strizhevsky <alexxst@xxxxxxxxx>,
Midge Shaojun Tan <ShaojunMidge.Tan@xxxxxxxxxxxxxx>,
"youtux@xxxxxxxxx" <youtux@xxxxxxxxx>,
"linux-usb@xxxxxxxxxxxxxxx" <linux-usb@xxxxxxxxxxxxxxx>,
"netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>
Subject: Re: Is this 32-bit NCM?y
I will find it out. And I don't have v3.16 and I'm not going to upgrade
my OS to that. Sorry. So I would just stick to v3.13. Anyway, that size
is wrong, it should be fixed.
Regards,
Kevin
On 12/04/2014 05:19 PM, Bjørn Mork wrote:
Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx> writes:
Guys,
After rearranging the padding, putting NCM0 right after NTH, and disable
ARP (FLAG_NOARP) and handling the offset alignment issue, it seems it
begins to work, though there's still problem with DHCP.
Great! But it would be good to know if _one_ of these changes is enough
to make it work.
The DHCP packet's size becomes a large one after the TX function, which
is 16384, the maximum.
You can now (from v3.16) disable the padding by setting min_tx_pkt >= tx_max.
Something like this should do for a simple test:
echo 16384 >/sys/class/net/wwan0/cdc_ncm/min_tx_pkt
Bjørn
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