957 	struct iphdr *iph;  in eval_bpf_5tuple()  local
962 	iph = (struct iphdr *)(ethh + 1);  in eval_bpf_5tuple()
963 	iph->ihl = IP_HEADER_LEN >> 2;  in eval_bpf_5tuple()
964 	iph->version = 4;  in eval_bpf_5tuple()
965 	iph->tos = 0;  in eval_bpf_5tuple()
966 	iph->tot_len = htons(IP_HEADER_LEN + TCP_HEADER_LEN);  in eval_bpf_5tuple()
967 	iph->id = htons(0);  in eval_bpf_5tuple()
968 	iph->protocol = IPPROTO_TCP;  in eval_bpf_5tuple()
969 	iph->saddr = saddr;  in eval_bpf_5tuple()
970 	iph->daddr = daddr;  in eval_bpf_5tuple()
971 	iph->check = 0;  in eval_bpf_5tuple()
972 	tcph = (struct tcphdr *)(iph + 1);  in eval_bpf_5tuple()
976 	return EVAL_BPFFILTER(fcode, (uint8_t *)iph - sizeof(struct ethhdr),  in eval_bpf_5tuple()