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vcr
n00b
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Joined: 17 Aug 2008
Posts: 2

PostPosted: Sun Aug 17, 2008 4:53 am    Post subject: rt2860 with kernel 2.6.26.2 Reply with quote

Long story short. I bought a trendnet TEW-623PI version 2.0R (this version has the Realtek chip). When I downloaded the driver for this from http://www.ralinktech.com.tw/data/drivers/2008_0708_RT2860_Linux_STA_v1.7.0.0.tar.bz2 I was running into a problem compiling the code to my kernel version 2.6.26.2 (straight from kernel.org). This is the message I would get:

/home/x/2008_0708_RT2860_Linux_STA_v1.7.0.0/os/linux/../../os/linux/rt_main_dev.c: In function 'rt_ieee80211_if_setup':
/home/x/2008_0708_RT2860_Linux_STA_v1.7.0.0/os/linux/../../os/linux/rt_main_dev.c:804: error: 'struct net_device' has no member named 'nd_net'

After doing some research into the issue I found out that this nd_net is only available when CONFIG_NET_NS is enabled in the kernel, but in order to turn this on you have to have SYSFS turned off; I didn't like that answer. So, I reworked the function to supply what the driver needed. So far I haven't had any issues with wifi connections or kernel panics.

Here is the diff for the change:

754c754
<
---
> struct net *dev_name; //temporary fix for not having CONFIG_NET_NS set in the kernel
804c804,806
< device = dev_get_by_name(dev->nd_net, slot_name);
---
> // device = dev_get_by_name(dev->nd_net, slot_name);
> dev_name = dev_net(dev);
> device = dev_get_by_name(dev_name, slot_name);


USE AT YOUR OWN RISK.

p.s. from what I can tell in the kernel mailing lists the SYSFS dependency for NET_NS will eventually go away.
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naviathan
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Joined: 12 Dec 2004
Posts: 231

PostPosted: Wed Aug 27, 2008 3:36 pm    Post subject: Reply with quote

THANK YOU!!!!
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vcr
n00b
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Joined: 17 Aug 2008
Posts: 2

PostPosted: Wed Sep 03, 2008 12:16 am    Post subject: Reply with quote

You're welcome.

I can submit a bug on this, but the last time I checked the repository it didn't have this version of the driver code. If people feel that this change is needed I am willing to go through the effort to make a bug that incorporates a version bump of the driver along with the patch file; what say you?
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