开源软件名称（OpenSource Name）：FreedomBen/rtl8188ce-linux-driver开源软件地址(OpenSource Url)：https://github.com/FreedomBen/rtl8188ce-linux-driver开源编程语言(OpenSource Language)：C 95.6%开源软件介绍(OpenSource Introduction)：rtl8188ce-linux-driverThis modified version of the RealTek WiFi driver fixes some issues with RealTek cards on Linux. Why use this driver?
Well supported RealTek cards: Well supported kernel releases: Well supported Ubuntu (and Ubuntu-based) releases: Well supported Fedora (and Fedora based) releases: AlmaLinux and Rocky Linux versions that match above CentOS should work fine but are not specifically tested. Arch is also supported, but tends to break each time the kernel is bumped up a minor version (like 3.13.x to 3.14.x). I try to fix the breakage quickly but this is not how I support my family ;-) Other RealTek cards, kernel releases, and Linux flavors/releases are supported, but not tested by me (since I don't have them/use them). From the original readme file: --This driver supports following RealTek PCIE Wireless LAN NICs: --This driver supports following Linux OSes: Please note that I have only tested the driver on Ubuntu and Fedora (the well supported releases). If you are NOT using Ubuntu, pay close attention to your kernel version when selecting branches. You also need to substitute your package manager whenever you see Automatic Installation:There is an install script called install.sh which attempts to automate the manual steps. If the script fails to build and install the driver, you should follow the steps for manual installation. After cloning this repo, if you want to run the install script, simply run: If you already have You may wish to register the modules with DKMS for automatic rebuild when your kernel changes. For that, see the steps for Semi-Automatic Installation (DKMS). Semi-Automatic Installation (DKMS):Thanks to saiarcot895 for the initial effort getting this working You can alternatively use DKMS, so that when a new patch-release of the kernel is released by your distro, you don't have to manually recompile the driver. However, there are a few drawbacks with this method:
To use DKMS:
To uninstall and remove the modules from DKMS, run the following command: Manual Installation:To check your kernel version: These commands should be typed in an open terminal. I recommend you start in your home directory by typing 0. Clone this git repository: Install git if necessary: Clone the repo (Basically it makes a copy of the current source code) 1. Install build dependencies: 2. (Skip unless your first build attempt fails) -> Make sure you are on the correct branch for your kernel version. The branches are named after Ubuntu releases to which they commonly apply, but the most important factor is not the version of Ubuntu, it is the kernel version. There is a script called If you need to, you can switch to the correct branch with: Ex: "git checkout ubuntu-13.04" 3. Compile: 4. Unload the existing rtl kernel modules. 4.5. (Optional) Backup stock drivers You may wish to make a backup of your stock drivers in case you need to restore them. This is done for you automatically by the install script but the truly paranoid may wish to do it themselves as well. Or tarball it up: Important: When restoring this backup manually, make absolutely sure you are putting it back in to the exact same kernel version. Failure to do this properly may result in an unbootable system. I suggest you let the script do your backups automatically and use this as a last resort. 5. Install: 6. Modprobe in the new driver (if you're not using an RTL8188CE or RTL8192CE, adjust accordingly): (rtl8192ce is the driver for the RTL8188CE card also) 7. The rtl8192ce should load all modules it depends on ( NOTE: Unlike the stock driver, 8. Make persistent by adding this to the end of NOTE: By "make persistent", I mean making the loading of the RLT8192CE kernel modules happen automatically at boot time so you don't have to modprobe them in yourself. If You may want to verify your CRDA domain. For example if you were in Bolivia it would be: Troubleshooting:0. To check whether you are running this driver or not, run the script: 1. If you have loaded the kernel modules (with 2. If you get the following error: After running: You may have invalid configuration options in 3. If your connection seems unstable: This driver has been modified to allow up to 33 dBm Tx power (instead of the stock driver limit of 20). This allows you to crank up the Tx power, which vastly improves performance for me. To do this, your CRDA regulatory domain must allow it. You need to be aware of the laws that govern your local area so you are not in violation. If you do this, you assume all legal liability for your actions. Also, don't crank your Tx power up to 33 dBm when you're sitting right next to your router. Almost all wireless routers have AGC built-in that will save them from hot transmitters, but it is better to try not to fry the receiver. Keep in mind that you're hacking your wi-fi card to bypass the normal safety net(s) that prevent us from doing cool stuff. A very lenient CRDA domain is Bolivia (BO) that will let you up to 33 dBm. To set Bolivia, run the following: To turn up the Tx power, run this (substitute your wireless interface name for and desired power level for ): To check the current Tx power, run: The current Tx power will be listed as 4. If you're getting power drops*: You may have better luck fixing your data rate. The best rate will vary depending on your Tx power, Rx power, and distance from the router. You may want to set the rate to be fixed at a speed similar to your internet connection speed unless you're doing other stuff on your LAN. Basgoosen found his sweet spot to be 24M. You can set the fixed rate as follows (substitute your wireless interface for <wlan>, so for example wlan0): To make this persistent, create a file in *Thanks to basgoosen for this suggestion 5. My kernel package was updated by my distro and now I'm stuck back on the stock driver! Yeah unfortunately this does currently happen anytime your kernel package is updated by your distro. The solution is to rebuild and reinstall this driver. On the plus side that gives you a chance to pull down the latest changes so that you're up to date. Please don't save a copy of the drivers compiled under a different version of the kernel to copy back in after the kernel update. While a clever solution, this could cause undefined and potentially disastrous results if the ABI changes (which it does frequently). The drivers need to be rebuilt using the new kernel headers to ensure they are compiled correctly. It may work fine for a few upgrades, but eventually it will leave your system unbootable. You can run this command to automatically clone this repo and kick off the installer (git must be installed already): You might also consider using DKMS if your kernel changes often. There are instructions near the top of this README. 6. I think this driver broke something. How do I get back to the stock driver? You basically have two choices. Either will get the job done. When you run
Choice #1 - Use the backup that the install script made for you:* or
Choice #2 - Reinstall your distro's kernel package: This obviously varies by distro. For Ubuntu, try: Please consider reporting the failure (or even better, send a pull request), so I can try to fix it. 
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2023-10-27
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