wpj428/xdp/README.md

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Compile:
```
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clang -O2 -Wall -target bpf -c xdp_udp.c -o xdp_udp.o
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```
Load:
```
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ip link set dev lo xdp obj xdp_udp.o sec xdp_udp
```
View:
```
ip link show dev lo
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```
Unload:
```
ip link set dev lo xdp off
```
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Sources:
- https://github.com/xdp-project/xdp-tutorial
- https://github.com/xdp-project/xdp-tutorial/tree/master/basic01-xdp-pass