r8169: Tx performance tweak helper
r8169: Tx performance tweak helper

Signed-off-by: Francois Romieu <b6456b24ae82a7595be3173ae585c7a827f25f37@fr.zoreil.com>
Cc: Edward Hsu <27809cb3bef647511fa32cd6f89a201a998916de@realtek.com.tw>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas