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24 lines
515 B
Python
24 lines
515 B
Python
from ctypes import c_int64, c_int32
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from pythonbpf import bpf, section, bpfglobal, compile_to_ir, compile
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from vmlinux import struct_xdp_md
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from vmlinux import XDP_PASS
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@bpf
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@section("xdp")
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def print_xdp_data(ctx: struct_xdp_md) -> c_int64:
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data = ctx.data # 32-bit field: packet start pointer
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something = c_int32(2 + data)
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print(f"ctx->data = {something}")
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return c_int64(XDP_PASS)
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@bpf
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@bpfglobal
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def LICENSE() -> str:
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return "GPL"
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compile_to_ir("i32_test.py", "i32_test.ll")
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compile()
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