_htonl
bpf_trace_printk(fmt4, sizeof(fmt4), _htonl(daddr), *ifindex);
bpf_trace_printk(fmt4, sizeof(fmt4), _htonl(iph->daddr),
_htonl(ip6h->daddr.s6_addr32[0]), *ifindex);
tkey.remote_ipv6[0] = _htonl(0x2401db02);
tkey.remote_ipv6[3] = _htonl(0x00000066);
return (_htonl(0xffffff00) & daddr) == _htonl(0x0a0a0100);
return (daddr == _htonl(0x2401face));
_htonl(iph->daddr));
_htonl(ip6h->daddr.s6_addr32[0]),
_htonl(ip6h->daddr.s6_addr32[3]));
__u32 old_ip = _htonl(load_word(skb, IP_SRC_OFF));