BSD WiFi Buffer Management

FreeBSD (and all systems using net80211) utilize memory buffers to receive, manipulate and process network traffic. These buffers&#xA;are pre-allocated during attachment, due to the performance cost associated with dynamic allocation, and utilize a single-linked&#xA; queue(3) structure. &#xA; Devices utilize two buffer queues, Rx and Tx. The underlying structure is often the same. &#xA; Receive…