varun-r-mallya/python-bpf
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add xdp struct to args

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Signed-off-by: varun-r-mallya <varunrmallya@gmail.com>
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varun-r-mallya
2025-10-08 11:40:12 +05:30
parent 1207730ce3
commit 8d07a4cd05
2 changed files with 8 additions and 8 deletions
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8
examples/xdp_pass.py
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@ -1,7 +1,7 @@
from pythonbpf import bpf, map, section, bpfglobal, compile from pythonbpf import bpf, map, section, bpfglobal, compile, compile_to_ir
from pythonbpf.helper import XDP_PASS from pythonbpf.helper import XDP_PASS
from pythonbpf.maps import HashMap from pythonbpf.maps import HashMap
from vmlinux import struct_xdp_md
from ctypes import c_void_p, c_int64 from ctypes import c_void_p, c_int64
# Instructions to how to run this program # Instructions to how to run this program
@ -20,7 +20,7 @@ def count() -> HashMap:
@bpf @bpf
@section("xdp") @section("xdp")
def hello_world(ctx: c_void_p) -> c_int64: def hello_world(ctx: struct_xdp_md) -> c_int64:
key = 0 key = 0
one = 1 one = 1
prev = count().lookup(key) prev = count().lookup(key)
@ -40,5 +40,5 @@ def hello_world(ctx: c_void_p) -> c_int64:
def LICENSE() -> str: def LICENSE() -> str:
return "GPL" return "GPL"
compile_to_ir("xdp_pass.py", "xdp_pass.ll")
compile() compile()

8
tests/c-form/ex2.bpf.c
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@ -1,11 +1,11 @@
#include <linux/bpf.h> #include "vmlinux.h"
#include <bpf/bpf_helpers.h> #include <bpf/bpf_helpers.h>
#define u64 unsigned long long #include <bpf/bpf_endian.h>
#define u32 unsigned int
SEC("xdp") SEC("xdp")
int hello(struct xdp_md *ctx) { int hello(struct xdp_md *ctx) {
bpf_printk("Hello, World!\n"); // ctx.
bpf_printk("Hello, World! %ud \n", ctx->data);
return XDP_PASS; return XDP_PASS;
} }