first commit

xdp/loader.c

@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <bpf/libbpf.h>
+#include "bridge_xdp.h"
+
+int main(int argc, char **argv)
+{
+    if (argc != 2) {
+        printf("Uso: %s <interface>\n", argv[0]);
+        return 1;
+    }
+
+    // Carregar programa XDP
+    struct bpf_object *obj = bpf_object__open("bridge_xdp.o");
+    if (!obj) {
+        printf("Erro ao abrir objeto BPF\n");
+        return 1;
+    }
+
+    if (bpf_object__load(obj)) {
+        printf("Erro ao carregar objeto BPF\n");
+        return 1;
+    }
+
+    // Anexar à interface
+    int prog_fd = bpf_program__fd(bpf_object__find_program_by_name(obj, "bridge_filter"));
+    if (bpf_xdp_attach(if_nametoindex(argv[1]), prog_fd, XDP_FLAGS_SKB_MODE, NULL) != 0) {
+        printf("Erro ao anexar XDP\n");
+        return 1;
+    }
+
+    printf("XDP anexado com sucesso à interface %s\n", argv[1]);
+    return 0;
+}