Dan Siemon has an excellent article regarding network queueing in the Linux kernel. He provides easily digestible explanations of network queues, and how they can be tuned, including reducing bufferbloat and recent efforts in the Linux kernel to dynamically adjust driver queues using Byte Queue Limits (BQL).
Dan Siemon: Simplified high level overview of the queues on the transmit path of the Linux network stack.
Queueing in the Linux Network Stack
Also interesting is his application and measurement of improvements to his home internet connection: