16 lines
530 B
Bash
Executable File
16 lines
530 B
Bash
Executable File
#!/bin/bash
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IFACE_NAME="$1"
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if [[ -n "$IFACE_NAME" ]]; then
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# disable NIC feature offloading
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/sbin/ethtool -K "$IFACE_NAME" rx off tx off sg off tso off ufo off gso off gro off lro off
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# increase ring buffer sizes to maximum (may increase latency, but maximize throughput)
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MAX_BUFFER_SIZES=($(/sbin/ethtool -g "$IFACE_NAME" | grep -E "^(RX|TX):" | head -n 2 | awk '{print $2}'))
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if ((${#MAX_BUFFER_SIZES[@]} == 2)); then
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/sbin/ethtool -G "$IFACE_NAME" rx ${MAX_BUFFER_SIZES[0]} tx ${MAX_BUFFER_SIZES[1]}
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fi
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fi
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