v5.2.2

fan in WriteBuffers

v5.2.1

add WriteBuffers function to send a vector of slice in batch

v5.1.3

rename func to ReserveBytes

v5.1.2

bugfix in empty data

v5.1.1

bugfix in sending remainning

v5.0.7

adjust tests,avoid overflow of netdev

v5.0.6

add support for ipv6 traffic class

v5.0.5

use latest ack as rtt compute and simpify logic

v5.0.4

no need to manual recycle hi-freq data

v5.0.3

make parse_ack recycle data immediately