static struct mbuf *
fill_packet(int proto)
{
struct mbuf *m;
struct ip *ip;
struct tcphdr *th;
m = mbuf_construct(IPPROTO_TCP);
th = mbuf_return_hdrs(m, false, &ip);
ip->ip_src.s_addr = inet_addr("192.168.2.100");
ip->ip_dst.s_addr = inet_addr("10.0.0.1");
th->th_sport = htons(15000);
th->th_dport = htons(80);
return m;
}
static struct mbuf *
fill_packet(unsigned i)
{
struct mbuf *m;
struct ip *ip;
struct udphdr *uh;
char buf[32];
m = mbuf_construct(IPPROTO_UDP);
uh = mbuf_return_hdrs(m, false, &ip);
snprintf(buf, sizeof(buf), "192.0.2.%u", i + i);
ip->ip_src.s_addr = inet_addr(PUB_IP1);
ip->ip_dst.s_addr = inet_addr(stateful ? LOCAL_IP2 : LOCAL_IP3);
uh->uh_sport = htons(80);
uh->uh_dport = htons(15000 + i);
return m;
}
