Tag
napi
- Aug 13, 2026 NAPI and Interrupt Mitigation How a network driver switches from one interrupt per packet to a budgeted poll, what the weight and time limits protect, and where the scheme loses packets. operating systems
- Oct 21, 2023 Inside the NIC Receive Path: Descriptors, Rings, and NAPI A frame arriving at a network interface moves through a DMA ring, a descriptor, an interrupt, and a poll loop; where each step can drop it. networking