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93929f253d
Add separate software Tx queue limit for non-TCP traffic to make total limit higher and avoid local drops of TCP packets because of no backpressure. There is no point to make non-TCP limit high since without backpressure UDP stream easily overflows any sensible limit. Split early drops statistics since it is better to have separate counter for each drop reason to make it unabmiguous. Add software Tx queue high watermark. The information is very useful to understand how big queues grow under traffic load. Sponsored by: Solarflare Communications, Inc. Approved by: gnn (mentor) |
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