static int main_prog (struct __sk_buff *skb)
{
int from = skb->cb[0];
int me = 0;
if (from == 0) me = 1;
else me = 2;
char msg [] = "In module of container: %d\n";
bpf_trace_printk(msg, sizeof(msg), me);
if (me == 2) {
bpf_redirect(skb->ifindex, 1);
}
skb->cb[0] = me;
bpf_tail_call(skb, &jmp_table, 0);
return 0;
}
int xdp_redirect_to_222(struct xdp_md *xdp)
{
return bpf_redirect(222, 0);
}
int xdp_redirect_to_111(struct xdp_md *xdp)
{
return bpf_redirect(111, 0);
}