Rebuilding kernel 2.6.21.4 to add wifi support

I'm trying to get RTL 8187 support into my kernel. Linuxwireless.org states:

If you want to have support for WMM or 802.11n then you will need enabled in your kernel:

* CONFIG_NETDEVICES_MULTIQUEUE
* CONFIG_NET_SCHED

How do I do that. So far I've been able to rebuild the kernel but adding new feature is a unknown

First check whether these options are available for your kernel. You should be able to find your configuration file in /boot. It will be called something like config-2.6.21.4. This is a text file so you can search it quickly:

Code:

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grep CONFIG_NETDEVICES_MULTIQUEUE config-2.6.21.4

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If the string is found, then the option exists and you can set it in a rebuild of your kernel. If not, then you need a newer kernel. 2.6.26 definitely has this option available.

Thanks for that, sadly it's not. I was really hoping to avoid upgrading the kernel :(