RTL8187SE

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[edit] Introduction

Realtek provides an experimental driver for the RTL8187SE. Linux kernel git-repository already have initial support for rtl8187se. Currently driver is staged, so it can be added into main repository soon. For now you can install backported tarball from here.

[edit] Kernel

You will need at least this

Linux Kernel Configuration: Minimum Wifi configuration 
Networking  --->
  Wireless  --->
    [*] Wireless extensions
Device Drivers -->
  [*] Network device support -->
    [*] Enable older network device API compatibility

[edit] Kernel version <2.6.29

Download an ebuild from here and place it into local overlay.

Just install and load module

emerge -av rtl8187se
modprobe rtl8187se

[edit] Kernel version >=2.6.29

From kernel version 2.6.29 (tested on gentoo-sources-2.6.29-r3), stage-drivers appeared in kernel. Stage-drivers - unstable drivers from external sources, that should be tested before they would be added in the main tree.

Warning: By enabling stage branch in the kernel you must understand that you are using unstable drivers.
Linux Kernel Configuration: Enabling stage and module 
[*] Networking support --->
  [*] Wireless --->
    [*] Wireless extensions
Device drivers --->
  [*] Staging drivers  --->
    [ ] Exclude Staging drivers from being built
    <M> RealTek RTL8187SE Wireless LAN NIC driver


[edit] Troubleshooting

If driver stops working for no apparent reason, if that happens, just restart it

/etc/init.d/net.wlan0 restart

Some other times you may experience huge latencies (>5s) and/or extremely slow bandwidth (~50kB/s), either restart like above, or stop transfering large amounts of data.

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