add xdp struct to args

Signed-off-by: varun-r-mallya <[email protected]>

Author: varun-r-mallya

examples/xdp_pass.py

@@ -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.maps import HashMap
-
+from vmlinux import struct_xdp_md
 from ctypes import c_void_p, c_int64
 
 # Instructions to how to run this program
@@ -20,7 +20,7 @@ def count() -> HashMap:
 
 @bpf
 @section("xdp")
-def hello_world(ctx: c_void_p) -> c_int64:
+def hello_world(ctx: struct_xdp_md) -> c_int64:
     key = 0
     one = 1
     prev = count().lookup(key)
@@ -40,5 +40,5 @@ def hello_world(ctx: c_void_p) -> c_int64:
 def LICENSE() -> str:
     return "GPL"
 
-
+compile_to_ir("xdp_pass.py", "xdp_pass.ll")
 compile()

tests/c-form/ex2.bpf.c

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