Here is the step by step procedure to overclock the C5/C7.
- install chrome browser and breed bootloader translator plug in:
https://chrome.google.com/webstore/detail/translator-for-the-breed/hmkkdkhgadgmaplnhahncddmmcdegjhi?hl=en - the plug in will translate the Chinese text of breed web interface into English
- ssh or telnet to the router with LEDE and write down the MAC addresses of eth0,eth1,wlan0,wlan1
- install kmod-mtd-rw ( or flash a firmware that already has it backed in. the mtd-rw module will allow the mtd0 ( u-boot partition ) to be set as writable
- run "insmod mtd-rw i_want_a_brick=1" ( this will enable the mtd partitions to be written )
- run "mtd unlock u-boot" ( with will unlock mtd0 )
- download the new breed bootloader to /tmp
- cd /tmp
- wget https://breed.hackpascal.net/breed-qca9558-ar8327n.bin ( if you don't have wget, install it, or use scp )
- the next command has the possibility of bricking your router to the point that you will need special tools to unbrick it.
- run "mtd -r write /tmp/breed-qca9558-ar8327n.bin u-boot" ( this will flash breed to the mtd0 partition and automatically reboot the router
- wait a couple of minutes and you should be able to log in to LEDE again. Everything will look normal except that the MAC addresses of eth0,eth1, wlan0,wlan1 will be different.
- turn off the router and power it on with the reset button pressed for 5 or 6 seconds. breed web interface will be available at 192.168.1.1
- open web interface and fill eth1 MAC address
- fill wlan0 MAC address
- reboot and check that all MAC addresses are ok.
- go back to breed and play will frequency settings. This is my current setup:
- use openSSL to test performance:
- run: openssl speed md5 sha1 sha256 sha512 ( install OpenSSL if you don't have it ).